diff options
Diffstat (limited to 'drivers/net/ixgbe')
25 files changed, 0 insertions, 25759 deletions
diff --git a/drivers/net/ixgbe/Makefile b/drivers/net/ixgbe/Makefile deleted file mode 100644 index 7d7387fbdec..00000000000 --- a/drivers/net/ixgbe/Makefile +++ /dev/null @@ -1,42 +0,0 @@ -################################################################################ -# -# Intel 10 Gigabit PCI Express Linux driver -# Copyright(c) 1999 - 2010 Intel Corporation. -# -# This program is free software; you can redistribute it and/or modify it -# under the terms and conditions of the GNU General Public License, -# version 2, as published by the Free Software Foundation. -# -# This program is distributed in the hope it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -# more details. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. -# -# The full GNU General Public License is included in this distribution in -# the file called "COPYING". -# -# Contact Information: -# Linux NICS <linux.nics@intel.com> -# e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> -# Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 -# -################################################################################ - -# -# Makefile for the Intel(R) 10GbE PCI Express ethernet driver -# - -obj-$(CONFIG_IXGBE) += ixgbe.o - -ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \ - ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o ixgbe_sriov.o \ - ixgbe_mbx.o ixgbe_x540.o - -ixgbe-$(CONFIG_IXGBE_DCB) += ixgbe_dcb.o ixgbe_dcb_82598.o \ - ixgbe_dcb_82599.o ixgbe_dcb_nl.o - -ixgbe-$(CONFIG_FCOE:m=y) += ixgbe_fcoe.o diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h deleted file mode 100644 index 3ae30b8cb7d..00000000000 --- a/drivers/net/ixgbe/ixgbe.h +++ /dev/null @@ -1,573 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _IXGBE_H_ -#define _IXGBE_H_ - -#include <linux/bitops.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/cpumask.h> -#include <linux/aer.h> -#include <linux/if_vlan.h> - -#include "ixgbe_type.h" -#include "ixgbe_common.h" -#include "ixgbe_dcb.h" -#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) -#define IXGBE_FCOE -#include "ixgbe_fcoe.h" -#endif /* CONFIG_FCOE or CONFIG_FCOE_MODULE */ -#ifdef CONFIG_IXGBE_DCA -#include <linux/dca.h> -#endif - -/* common prefix used by pr_<> macros */ -#undef pr_fmt -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -/* TX/RX descriptor defines */ -#define IXGBE_DEFAULT_TXD 512 -#define IXGBE_MAX_TXD 4096 -#define IXGBE_MIN_TXD 64 - -#define IXGBE_DEFAULT_RXD 512 -#define IXGBE_MAX_RXD 4096 -#define IXGBE_MIN_RXD 64 - -/* flow control */ -#define IXGBE_MIN_FCRTL 0x40 -#define IXGBE_MAX_FCRTL 0x7FF80 -#define IXGBE_MIN_FCRTH 0x600 -#define IXGBE_MAX_FCRTH 0x7FFF0 -#define IXGBE_DEFAULT_FCPAUSE 0xFFFF -#define IXGBE_MIN_FCPAUSE 0 -#define IXGBE_MAX_FCPAUSE 0xFFFF - -/* Supported Rx Buffer Sizes */ -#define IXGBE_RXBUFFER_512 512 /* Used for packet split */ -#define IXGBE_RXBUFFER_2048 2048 -#define IXGBE_RXBUFFER_4096 4096 -#define IXGBE_RXBUFFER_8192 8192 -#define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */ - -/* - * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN mans we - * reserve 2 more, and skb_shared_info adds an additional 384 bytes more, - * this adds up to 512 bytes of extra data meaning the smallest allocation - * we could have is 1K. - * i.e. RXBUFFER_512 --> size-1024 slab - */ -#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_512 - -#define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN) - -/* How many Rx Buffers do we bundle into one write to the hardware ? */ -#define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */ - -#define IXGBE_TX_FLAGS_CSUM (u32)(1) -#define IXGBE_TX_FLAGS_VLAN (u32)(1 << 1) -#define IXGBE_TX_FLAGS_TSO (u32)(1 << 2) -#define IXGBE_TX_FLAGS_IPV4 (u32)(1 << 3) -#define IXGBE_TX_FLAGS_FCOE (u32)(1 << 4) -#define IXGBE_TX_FLAGS_FSO (u32)(1 << 5) -#define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000 -#define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0x0000e000 -#define IXGBE_TX_FLAGS_VLAN_SHIFT 16 - -#define IXGBE_MAX_RSC_INT_RATE 162760 - -#define IXGBE_MAX_VF_MC_ENTRIES 30 -#define IXGBE_MAX_VF_FUNCTIONS 64 -#define IXGBE_MAX_VFTA_ENTRIES 128 -#define MAX_EMULATION_MAC_ADDRS 16 -#define VMDQ_P(p) ((p) + adapter->num_vfs) - -struct vf_data_storage { - unsigned char vf_mac_addresses[ETH_ALEN]; - u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES]; - u16 num_vf_mc_hashes; - u16 default_vf_vlan_id; - u16 vlans_enabled; - bool clear_to_send; - bool pf_set_mac; - u16 pf_vlan; /* When set, guest VLAN config not allowed. */ - u16 pf_qos; -}; - -/* wrapper around a pointer to a socket buffer, - * so a DMA handle can be stored along with the buffer */ -struct ixgbe_tx_buffer { - struct sk_buff *skb; - dma_addr_t dma; - unsigned long time_stamp; - u16 length; - u16 next_to_watch; - unsigned int bytecount; - u16 gso_segs; - u8 mapped_as_page; -}; - -struct ixgbe_rx_buffer { - struct sk_buff *skb; - dma_addr_t dma; - struct page *page; - dma_addr_t page_dma; - unsigned int page_offset; -}; - -struct ixgbe_queue_stats { - u64 packets; - u64 bytes; -}; - -struct ixgbe_tx_queue_stats { - u64 restart_queue; - u64 tx_busy; - u64 completed; - u64 tx_done_old; -}; - -struct ixgbe_rx_queue_stats { - u64 rsc_count; - u64 rsc_flush; - u64 non_eop_descs; - u64 alloc_rx_page_failed; - u64 alloc_rx_buff_failed; -}; - -enum ixbge_ring_state_t { - __IXGBE_TX_FDIR_INIT_DONE, - __IXGBE_TX_DETECT_HANG, - __IXGBE_HANG_CHECK_ARMED, - __IXGBE_RX_PS_ENABLED, - __IXGBE_RX_RSC_ENABLED, -}; - -#define ring_is_ps_enabled(ring) \ - test_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state) -#define set_ring_ps_enabled(ring) \ - set_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state) -#define clear_ring_ps_enabled(ring) \ - clear_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state) -#define check_for_tx_hang(ring) \ - test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) -#define set_check_for_tx_hang(ring) \ - set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) -#define clear_check_for_tx_hang(ring) \ - clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state) -#define ring_is_rsc_enabled(ring) \ - test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) -#define set_ring_rsc_enabled(ring) \ - set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) -#define clear_ring_rsc_enabled(ring) \ - clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state) -struct ixgbe_ring { - void *desc; /* descriptor ring memory */ - struct device *dev; /* device for DMA mapping */ - struct net_device *netdev; /* netdev ring belongs to */ - union { - struct ixgbe_tx_buffer *tx_buffer_info; - struct ixgbe_rx_buffer *rx_buffer_info; - }; - unsigned long state; - u8 atr_sample_rate; - u8 atr_count; - u16 count; /* amount of descriptors */ - u16 rx_buf_len; - u16 next_to_use; - u16 next_to_clean; - - u8 queue_index; /* needed for multiqueue queue management */ - u8 reg_idx; /* holds the special value that gets - * the hardware register offset - * associated with this ring, which is - * different for DCB and RSS modes - */ - - u16 work_limit; /* max work per interrupt */ - - u8 __iomem *tail; - - unsigned int total_bytes; - unsigned int total_packets; - - struct ixgbe_queue_stats stats; - struct u64_stats_sync syncp; - union { - struct ixgbe_tx_queue_stats tx_stats; - struct ixgbe_rx_queue_stats rx_stats; - }; - int numa_node; - unsigned int size; /* length in bytes */ - dma_addr_t dma; /* phys. address of descriptor ring */ - struct rcu_head rcu; - struct ixgbe_q_vector *q_vector; /* back-pointer to host q_vector */ -} ____cacheline_internodealigned_in_smp; - -enum ixgbe_ring_f_enum { - RING_F_NONE = 0, - RING_F_DCB, - RING_F_VMDQ, /* SR-IOV uses the same ring feature */ - RING_F_RSS, - RING_F_FDIR, -#ifdef IXGBE_FCOE - RING_F_FCOE, -#endif /* IXGBE_FCOE */ - - RING_F_ARRAY_SIZE /* must be last in enum set */ -}; - -#define IXGBE_MAX_DCB_INDICES 8 -#define IXGBE_MAX_RSS_INDICES 16 -#define IXGBE_MAX_VMDQ_INDICES 64 -#define IXGBE_MAX_FDIR_INDICES 64 -#ifdef IXGBE_FCOE -#define IXGBE_MAX_FCOE_INDICES 8 -#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES) -#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES) -#else -#define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES -#define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES -#endif /* IXGBE_FCOE */ -struct ixgbe_ring_feature { - int indices; - int mask; -} ____cacheline_internodealigned_in_smp; - - -#define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \ - ? 8 : 1) -#define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS - -/* MAX_MSIX_Q_VECTORS of these are allocated, - * but we only use one per queue-specific vector. - */ -struct ixgbe_q_vector { - struct ixgbe_adapter *adapter; - unsigned int v_idx; /* index of q_vector within array, also used for - * finding the bit in EICR and friends that - * represents the vector for this ring */ -#ifdef CONFIG_IXGBE_DCA - int cpu; /* CPU for DCA */ -#endif - struct napi_struct napi; - DECLARE_BITMAP(rxr_idx, MAX_RX_QUEUES); /* Rx ring indices */ - DECLARE_BITMAP(txr_idx, MAX_TX_QUEUES); /* Tx ring indices */ - u8 rxr_count; /* Rx ring count assigned to this vector */ - u8 txr_count; /* Tx ring count assigned to this vector */ - u8 tx_itr; - u8 rx_itr; - u32 eitr; - cpumask_var_t affinity_mask; - char name[IFNAMSIZ + 9]; -}; - -/* Helper macros to switch between ints/sec and what the register uses. - * And yes, it's the same math going both ways. The lowest value - * supported by all of the ixgbe hardware is 8. - */ -#define EITR_INTS_PER_SEC_TO_REG(_eitr) \ - ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8) -#define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG - -#define IXGBE_DESC_UNUSED(R) \ - ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ - (R)->next_to_clean - (R)->next_to_use - 1) - -#define IXGBE_RX_DESC_ADV(R, i) \ - (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i])) -#define IXGBE_TX_DESC_ADV(R, i) \ - (&(((union ixgbe_adv_tx_desc *)((R)->desc))[i])) -#define IXGBE_TX_CTXTDESC_ADV(R, i) \ - (&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i])) - -#define IXGBE_MAX_JUMBO_FRAME_SIZE 16128 -#ifdef IXGBE_FCOE -/* Use 3K as the baby jumbo frame size for FCoE */ -#define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072 -#endif /* IXGBE_FCOE */ - -#define OTHER_VECTOR 1 -#define NON_Q_VECTORS (OTHER_VECTOR) - -#define MAX_MSIX_VECTORS_82599 64 -#define MAX_MSIX_Q_VECTORS_82599 64 -#define MAX_MSIX_VECTORS_82598 18 -#define MAX_MSIX_Q_VECTORS_82598 16 - -#define MAX_MSIX_Q_VECTORS MAX_MSIX_Q_VECTORS_82599 -#define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599 - -#define MIN_MSIX_Q_VECTORS 2 -#define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS) - -/* board specific private data structure */ -struct ixgbe_adapter { - struct timer_list watchdog_timer; - unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; - u16 bd_number; - struct work_struct reset_task; - struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS]; - struct ixgbe_dcb_config dcb_cfg; - struct ixgbe_dcb_config temp_dcb_cfg; - u8 dcb_set_bitmap; - enum ixgbe_fc_mode last_lfc_mode; - - /* Interrupt Throttle Rate */ - u32 rx_itr_setting; - u32 tx_itr_setting; - u16 eitr_low; - u16 eitr_high; - - /* TX */ - struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp; - int num_tx_queues; - u32 tx_timeout_count; - bool detect_tx_hung; - - u64 restart_queue; - u64 lsc_int; - - /* RX */ - struct ixgbe_ring *rx_ring[MAX_RX_QUEUES] ____cacheline_aligned_in_smp; - int num_rx_queues; - int num_rx_pools; /* == num_rx_queues in 82598 */ - int num_rx_queues_per_pool; /* 1 if 82598, can be many if 82599 */ - u64 hw_csum_rx_error; - u64 hw_rx_no_dma_resources; - u64 non_eop_descs; - int num_msix_vectors; - int max_msix_q_vectors; /* true count of q_vectors for device */ - struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE]; - struct msix_entry *msix_entries; - - u32 alloc_rx_page_failed; - u32 alloc_rx_buff_failed; - - /* Some features need tri-state capability, - * thus the additional *_CAPABLE flags. - */ - u32 flags; -#define IXGBE_FLAG_RX_CSUM_ENABLED (u32)(1) -#define IXGBE_FLAG_MSI_CAPABLE (u32)(1 << 1) -#define IXGBE_FLAG_MSI_ENABLED (u32)(1 << 2) -#define IXGBE_FLAG_MSIX_CAPABLE (u32)(1 << 3) -#define IXGBE_FLAG_MSIX_ENABLED (u32)(1 << 4) -#define IXGBE_FLAG_RX_1BUF_CAPABLE (u32)(1 << 6) -#define IXGBE_FLAG_RX_PS_CAPABLE (u32)(1 << 7) -#define IXGBE_FLAG_RX_PS_ENABLED (u32)(1 << 8) -#define IXGBE_FLAG_IN_NETPOLL (u32)(1 << 9) -#define IXGBE_FLAG_DCA_ENABLED (u32)(1 << 10) -#define IXGBE_FLAG_DCA_CAPABLE (u32)(1 << 11) -#define IXGBE_FLAG_IMIR_ENABLED (u32)(1 << 12) -#define IXGBE_FLAG_MQ_CAPABLE (u32)(1 << 13) -#define IXGBE_FLAG_DCB_ENABLED (u32)(1 << 14) -#define IXGBE_FLAG_RSS_ENABLED (u32)(1 << 16) -#define IXGBE_FLAG_RSS_CAPABLE (u32)(1 << 17) -#define IXGBE_FLAG_VMDQ_CAPABLE (u32)(1 << 18) -#define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 19) -#define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 20) -#define IXGBE_FLAG_NEED_LINK_UPDATE (u32)(1 << 22) -#define IXGBE_FLAG_IN_SFP_LINK_TASK (u32)(1 << 23) -#define IXGBE_FLAG_IN_SFP_MOD_TASK (u32)(1 << 24) -#define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 25) -#define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 26) -#define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 27) -#define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 28) -#define IXGBE_FLAG_SRIOV_CAPABLE (u32)(1 << 29) -#define IXGBE_FLAG_SRIOV_ENABLED (u32)(1 << 30) - - u32 flags2; -#define IXGBE_FLAG2_RSC_CAPABLE (u32)(1) -#define IXGBE_FLAG2_RSC_ENABLED (u32)(1 << 1) -#define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE (u32)(1 << 2) -/* default to trying for four seconds */ -#define IXGBE_TRY_LINK_TIMEOUT (4 * HZ) - - /* OS defined structs */ - struct net_device *netdev; - struct pci_dev *pdev; - - u32 test_icr; - struct ixgbe_ring test_tx_ring; - struct ixgbe_ring test_rx_ring; - - /* structs defined in ixgbe_hw.h */ - struct ixgbe_hw hw; - u16 msg_enable; - struct ixgbe_hw_stats stats; - - /* Interrupt Throttle Rate */ - u32 rx_eitr_param; - u32 tx_eitr_param; - - unsigned long state; - u64 tx_busy; - unsigned int tx_ring_count; - unsigned int rx_ring_count; - - u32 link_speed; - bool link_up; - unsigned long link_check_timeout; - - struct work_struct watchdog_task; - struct work_struct sfp_task; - struct timer_list sfp_timer; - struct work_struct multispeed_fiber_task; - struct work_struct sfp_config_module_task; - u32 fdir_pballoc; - u32 atr_sample_rate; - spinlock_t fdir_perfect_lock; - struct work_struct fdir_reinit_task; -#ifdef IXGBE_FCOE - struct ixgbe_fcoe fcoe; -#endif /* IXGBE_FCOE */ - u64 rsc_total_count; - u64 rsc_total_flush; - u32 wol; - u16 eeprom_version; - - int node; - struct work_struct check_overtemp_task; - u32 interrupt_event; - char lsc_int_name[IFNAMSIZ + 9]; - - /* SR-IOV */ - DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS); - unsigned int num_vfs; - struct vf_data_storage *vfinfo; -}; - -enum ixbge_state_t { - __IXGBE_TESTING, - __IXGBE_RESETTING, - __IXGBE_DOWN, - __IXGBE_SFP_MODULE_NOT_FOUND -}; - -struct ixgbe_rsc_cb { - dma_addr_t dma; - u16 skb_cnt; - bool delay_unmap; -}; -#define IXGBE_RSC_CB(skb) ((struct ixgbe_rsc_cb *)(skb)->cb) - -enum ixgbe_boards { - board_82598, - board_82599, - board_X540, -}; - -extern struct ixgbe_info ixgbe_82598_info; -extern struct ixgbe_info ixgbe_82599_info; -extern struct ixgbe_info ixgbe_X540_info; -#ifdef CONFIG_IXGBE_DCB -extern const struct dcbnl_rtnl_ops dcbnl_ops; -extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, - struct ixgbe_dcb_config *dst_dcb_cfg, - int tc_max); -#endif - -extern char ixgbe_driver_name[]; -extern const char ixgbe_driver_version[]; - -extern int ixgbe_up(struct ixgbe_adapter *adapter); -extern void ixgbe_down(struct ixgbe_adapter *adapter); -extern void ixgbe_reinit_locked(struct ixgbe_adapter *adapter); -extern void ixgbe_reset(struct ixgbe_adapter *adapter); -extern void ixgbe_set_ethtool_ops(struct net_device *netdev); -extern int ixgbe_setup_rx_resources(struct ixgbe_ring *); -extern int ixgbe_setup_tx_resources(struct ixgbe_ring *); -extern void ixgbe_free_rx_resources(struct ixgbe_ring *); -extern void ixgbe_free_tx_resources(struct ixgbe_ring *); -extern void ixgbe_configure_rx_ring(struct ixgbe_adapter *,struct ixgbe_ring *); -extern void ixgbe_configure_tx_ring(struct ixgbe_adapter *,struct ixgbe_ring *); -extern void ixgbe_update_stats(struct ixgbe_adapter *adapter); -extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter); -extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter); -extern netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, - struct ixgbe_adapter *, - struct ixgbe_ring *); -extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *, - struct ixgbe_tx_buffer *); -extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16); -extern void ixgbe_write_eitr(struct ixgbe_q_vector *); -extern int ethtool_ioctl(struct ifreq *ifr); -extern u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 index); -extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw); -extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc); -extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc); -extern s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw, - struct ixgbe_atr_input *input, - u8 queue); -extern s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw, - struct ixgbe_atr_input *input, - struct ixgbe_atr_input_masks *input_masks, - u16 soft_id, u8 queue); -extern s32 ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input *input, - u16 vlan_id); -extern s32 ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input *input, - u32 src_addr); -extern s32 ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input *input, - u32 dst_addr); -extern s32 ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input *input, - u16 src_port); -extern s32 ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input *input, - u16 dst_port); -extern s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input, - u16 flex_byte); -extern s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input, - u8 l4type); -extern void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, - struct ixgbe_ring *ring); -extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter, - struct ixgbe_ring *ring); -extern void ixgbe_set_rx_mode(struct net_device *netdev); -#ifdef IXGBE_FCOE -extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter); -extern int ixgbe_fso(struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring, struct sk_buff *skb, - u32 tx_flags, u8 *hdr_len); -extern void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter); -extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, - union ixgbe_adv_rx_desc *rx_desc, - struct sk_buff *skb); -extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, - struct scatterlist *sgl, unsigned int sgc); -extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid); -extern int ixgbe_fcoe_enable(struct net_device *netdev); -extern int ixgbe_fcoe_disable(struct net_device *netdev); -#ifdef CONFIG_IXGBE_DCB -extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter); -extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up); -#endif /* CONFIG_IXGBE_DCB */ -extern int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type); -#endif /* IXGBE_FCOE */ - -#endif /* _IXGBE_H_ */ diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c deleted file mode 100644 index d0f1d9d2c41..00000000000 --- a/drivers/net/ixgbe/ixgbe_82598.c +++ /dev/null @@ -1,1219 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/sched.h> - -#include "ixgbe.h" -#include "ixgbe_phy.h" - -#define IXGBE_82598_MAX_TX_QUEUES 32 -#define IXGBE_82598_MAX_RX_QUEUES 64 -#define IXGBE_82598_RAR_ENTRIES 16 -#define IXGBE_82598_MC_TBL_SIZE 128 -#define IXGBE_82598_VFT_TBL_SIZE 128 - -static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete); -static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, - u8 *eeprom_data); - -/** - * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout - * @hw: pointer to the HW structure - * - * The defaults for 82598 should be in the range of 50us to 50ms, - * however the hardware default for these parts is 500us to 1ms which is less - * than the 10ms recommended by the pci-e spec. To address this we need to - * increase the value to either 10ms to 250ms for capability version 1 config, - * or 16ms to 55ms for version 2. - **/ -static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) -{ - struct ixgbe_adapter *adapter = hw->back; - u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR); - u16 pcie_devctl2; - - /* only take action if timeout value is defaulted to 0 */ - if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK) - goto out; - - /* - * if capababilities version is type 1 we can write the - * timeout of 10ms to 250ms through the GCR register - */ - if (!(gcr & IXGBE_GCR_CAP_VER2)) { - gcr |= IXGBE_GCR_CMPL_TMOUT_10ms; - goto out; - } - - /* - * for version 2 capabilities we need to write the config space - * directly in order to set the completion timeout value for - * 16ms to 55ms - */ - pci_read_config_word(adapter->pdev, - IXGBE_PCI_DEVICE_CONTROL2, &pcie_devctl2); - pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms; - pci_write_config_word(adapter->pdev, - IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2); -out: - /* disable completion timeout resend */ - gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND; - IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr); -} - -/** - * ixgbe_get_pcie_msix_count_82598 - Gets MSI-X vector count - * @hw: pointer to hardware structure - * - * Read PCIe configuration space, and get the MSI-X vector count from - * the capabilities table. - **/ -static u16 ixgbe_get_pcie_msix_count_82598(struct ixgbe_hw *hw) -{ - struct ixgbe_adapter *adapter = hw->back; - u16 msix_count; - pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82598_CAPS, - &msix_count); - msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK; - - /* MSI-X count is zero-based in HW, so increment to give proper value */ - msix_count++; - - return msix_count; -} - -/** - */ -static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) -{ - struct ixgbe_mac_info *mac = &hw->mac; - - /* Call PHY identify routine to get the phy type */ - ixgbe_identify_phy_generic(hw); - - mac->mcft_size = IXGBE_82598_MC_TBL_SIZE; - mac->vft_size = IXGBE_82598_VFT_TBL_SIZE; - mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES; - mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES; - mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES; - mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82598(hw); - - return 0; -} - -/** - * ixgbe_init_phy_ops_82598 - PHY/SFP specific init - * @hw: pointer to hardware structure - * - * Initialize any function pointers that were not able to be - * set during get_invariants because the PHY/SFP type was - * not known. Perform the SFP init if necessary. - * - **/ -static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) -{ - struct ixgbe_mac_info *mac = &hw->mac; - struct ixgbe_phy_info *phy = &hw->phy; - s32 ret_val = 0; - u16 list_offset, data_offset; - - /* Identify the PHY */ - phy->ops.identify(hw); - - /* Overwrite the link function pointers if copper PHY */ - if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) { - mac->ops.setup_link = &ixgbe_setup_copper_link_82598; - mac->ops.get_link_capabilities = - &ixgbe_get_copper_link_capabilities_generic; - } - - switch (hw->phy.type) { - case ixgbe_phy_tn: - phy->ops.check_link = &ixgbe_check_phy_link_tnx; - phy->ops.get_firmware_version = - &ixgbe_get_phy_firmware_version_tnx; - break; - case ixgbe_phy_nl: - phy->ops.reset = &ixgbe_reset_phy_nl; - - /* Call SFP+ identify routine to get the SFP+ module type */ - ret_val = phy->ops.identify_sfp(hw); - if (ret_val != 0) - goto out; - else if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) { - ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED; - goto out; - } - - /* Check to see if SFP+ module is supported */ - ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, - &list_offset, - &data_offset); - if (ret_val != 0) { - ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED; - goto out; - } - break; - default: - break; - } - -out: - return ret_val; -} - -/** - * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx - * @hw: pointer to hardware structure - * - * Starts the hardware using the generic start_hw function. - * Then set pcie completion timeout - **/ -static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw) -{ - s32 ret_val = 0; - - ret_val = ixgbe_start_hw_generic(hw); - - /* set the completion timeout for interface */ - if (ret_val == 0) - ixgbe_set_pcie_completion_timeout(hw); - - return ret_val; -} - -/** - * ixgbe_get_link_capabilities_82598 - Determines link capabilities - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @autoneg: boolean auto-negotiation value - * - * Determines the link capabilities by reading the AUTOC register. - **/ -static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, - bool *autoneg) -{ - s32 status = 0; - u32 autoc = 0; - - /* - * Determine link capabilities based on the stored value of AUTOC, - * which represents EEPROM defaults. If AUTOC value has not been - * stored, use the current register value. - */ - if (hw->mac.orig_link_settings_stored) - autoc = hw->mac.orig_autoc; - else - autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - - switch (autoc & IXGBE_AUTOC_LMS_MASK) { - case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: - *speed = IXGBE_LINK_SPEED_1GB_FULL; - *autoneg = false; - break; - - case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: - *speed = IXGBE_LINK_SPEED_10GB_FULL; - *autoneg = false; - break; - - case IXGBE_AUTOC_LMS_1G_AN: - *speed = IXGBE_LINK_SPEED_1GB_FULL; - *autoneg = true; - break; - - case IXGBE_AUTOC_LMS_KX4_AN: - case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: - *speed = IXGBE_LINK_SPEED_UNKNOWN; - if (autoc & IXGBE_AUTOC_KX4_SUPP) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (autoc & IXGBE_AUTOC_KX_SUPP) - *speed |= IXGBE_LINK_SPEED_1GB_FULL; - *autoneg = true; - break; - - default: - status = IXGBE_ERR_LINK_SETUP; - break; - } - - return status; -} - -/** - * ixgbe_get_media_type_82598 - Determines media type - * @hw: pointer to hardware structure - * - * Returns the media type (fiber, copper, backplane) - **/ -static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw) -{ - enum ixgbe_media_type media_type; - - /* Media type for I82598 is based on device ID */ - switch (hw->device_id) { - case IXGBE_DEV_ID_82598: - case IXGBE_DEV_ID_82598_BX: - media_type = ixgbe_media_type_backplane; - break; - case IXGBE_DEV_ID_82598AF_DUAL_PORT: - case IXGBE_DEV_ID_82598AF_SINGLE_PORT: - case IXGBE_DEV_ID_82598_DA_DUAL_PORT: - case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM: - case IXGBE_DEV_ID_82598EB_XF_LR: - case IXGBE_DEV_ID_82598EB_SFP_LOM: - media_type = ixgbe_media_type_fiber; - break; - case IXGBE_DEV_ID_82598EB_CX4: - case IXGBE_DEV_ID_82598_CX4_DUAL_PORT: - media_type = ixgbe_media_type_cx4; - break; - case IXGBE_DEV_ID_82598AT: - case IXGBE_DEV_ID_82598AT2: - media_type = ixgbe_media_type_copper; - break; - default: - media_type = ixgbe_media_type_unknown; - break; - } - - return media_type; -} - -/** - * ixgbe_fc_enable_82598 - Enable flow control - * @hw: pointer to hardware structure - * @packetbuf_num: packet buffer number (0-7) - * - * Enable flow control according to the current settings. - **/ -static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num) -{ - s32 ret_val = 0; - u32 fctrl_reg; - u32 rmcs_reg; - u32 reg; - u32 rx_pba_size; - u32 link_speed = 0; - bool link_up; - -#ifdef CONFIG_DCB - if (hw->fc.requested_mode == ixgbe_fc_pfc) - goto out; - -#endif /* CONFIG_DCB */ - /* - * On 82598 having Rx FC on causes resets while doing 1G - * so if it's on turn it off once we know link_speed. For - * more details see 82598 Specification update. - */ - hw->mac.ops.check_link(hw, &link_speed, &link_up, false); - if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) { - switch (hw->fc.requested_mode) { - case ixgbe_fc_full: - hw->fc.requested_mode = ixgbe_fc_tx_pause; - break; - case ixgbe_fc_rx_pause: - hw->fc.requested_mode = ixgbe_fc_none; - break; - default: - /* no change */ - break; - } - } - - /* Negotiate the fc mode to use */ - ret_val = ixgbe_fc_autoneg(hw); - if (ret_val) - goto out; - - /* Disable any previous flow control settings */ - fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL); - fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE); - - rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS); - rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X); - - /* - * The possible values of fc.current_mode are: - * 0: Flow control is completely disabled - * 1: Rx flow control is enabled (we can receive pause frames, - * but not send pause frames). - * 2: Tx flow control is enabled (we can send pause frames but - * we do not support receiving pause frames). - * 3: Both Rx and Tx flow control (symmetric) are enabled. - * other: Invalid. -#ifdef CONFIG_DCB - * 4: Priority Flow Control is enabled. -#endif - */ - switch (hw->fc.current_mode) { - case ixgbe_fc_none: - /* - * Flow control is disabled by software override or autoneg. - * The code below will actually disable it in the HW. - */ - break; - case ixgbe_fc_rx_pause: - /* - * Rx Flow control is enabled and Tx Flow control is - * disabled by software override. Since there really - * isn't a way to advertise that we are capable of RX - * Pause ONLY, we will advertise that we support both - * symmetric and asymmetric Rx PAUSE. Later, we will - * disable the adapter's ability to send PAUSE frames. - */ - fctrl_reg |= IXGBE_FCTRL_RFCE; - break; - case ixgbe_fc_tx_pause: - /* - * Tx Flow control is enabled, and Rx Flow control is - * disabled by software override. - */ - rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; - break; - case ixgbe_fc_full: - /* Flow control (both Rx and Tx) is enabled by SW override. */ - fctrl_reg |= IXGBE_FCTRL_RFCE; - rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; - break; -#ifdef CONFIG_DCB - case ixgbe_fc_pfc: - goto out; - break; -#endif /* CONFIG_DCB */ - default: - hw_dbg(hw, "Flow control param set incorrectly\n"); - ret_val = IXGBE_ERR_CONFIG; - goto out; - break; - } - - /* Set 802.3x based flow control settings. */ - fctrl_reg |= IXGBE_FCTRL_DPF; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg); - IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg); - - /* Set up and enable Rx high/low water mark thresholds, enable XON. */ - if (hw->fc.current_mode & ixgbe_fc_tx_pause) { - rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num)); - rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; - - reg = (rx_pba_size - hw->fc.low_water) << 6; - if (hw->fc.send_xon) - reg |= IXGBE_FCRTL_XONE; - IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num), reg); - - reg = (rx_pba_size - hw->fc.high_water) << 10; - reg |= IXGBE_FCRTH_FCEN; - - IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num), reg); - } - - /* Configure pause time (2 TCs per register) */ - reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2)); - if ((packetbuf_num & 1) == 0) - reg = (reg & 0xFFFF0000) | hw->fc.pause_time; - else - reg = (reg & 0x0000FFFF) | (hw->fc.pause_time << 16); - IXGBE_WRITE_REG(hw, IXGBE_FCTTV(packetbuf_num / 2), reg); - - IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1)); - -out: - return ret_val; -} - -/** - * ixgbe_start_mac_link_82598 - Configures MAC link settings - * @hw: pointer to hardware structure - * - * Configures link settings based on values in the ixgbe_hw struct. - * Restarts the link. Performs autonegotiation if needed. - **/ -static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, - bool autoneg_wait_to_complete) -{ - u32 autoc_reg; - u32 links_reg; - u32 i; - s32 status = 0; - - /* Restart link */ - autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - autoc_reg |= IXGBE_AUTOC_AN_RESTART; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); - - /* Only poll for autoneg to complete if specified to do so */ - if (autoneg_wait_to_complete) { - if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) == - IXGBE_AUTOC_LMS_KX4_AN || - (autoc_reg & IXGBE_AUTOC_LMS_MASK) == - IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { - links_reg = 0; /* Just in case Autoneg time = 0 */ - for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { - links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); - if (links_reg & IXGBE_LINKS_KX_AN_COMP) - break; - msleep(100); - } - if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { - status = IXGBE_ERR_AUTONEG_NOT_COMPLETE; - hw_dbg(hw, "Autonegotiation did not complete.\n"); - } - } - } - - /* Add delay to filter out noises during initial link setup */ - msleep(50); - - return status; -} - -/** - * ixgbe_validate_link_ready - Function looks for phy link - * @hw: pointer to hardware structure - * - * Function indicates success when phy link is available. If phy is not ready - * within 5 seconds of MAC indicating link, the function returns error. - **/ -static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw) -{ - u32 timeout; - u16 an_reg; - - if (hw->device_id != IXGBE_DEV_ID_82598AT2) - return 0; - - for (timeout = 0; - timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) { - hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg); - - if ((an_reg & MDIO_AN_STAT1_COMPLETE) && - (an_reg & MDIO_STAT1_LSTATUS)) - break; - - msleep(100); - } - - if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) { - hw_dbg(hw, "Link was indicated but link is down\n"); - return IXGBE_ERR_LINK_SETUP; - } - - return 0; -} - -/** - * ixgbe_check_mac_link_82598 - Get link/speed status - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @link_up: true is link is up, false otherwise - * @link_up_wait_to_complete: bool used to wait for link up or not - * - * Reads the links register to determine if link is up and the current speed - **/ -static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, bool *link_up, - bool link_up_wait_to_complete) -{ - u32 links_reg; - u32 i; - u16 link_reg, adapt_comp_reg; - - /* - * SERDES PHY requires us to read link status from register 0xC79F. - * Bit 0 set indicates link is up/ready; clear indicates link down. - * 0xC00C is read to check that the XAUI lanes are active. Bit 0 - * clear indicates active; set indicates inactive. - */ - if (hw->phy.type == ixgbe_phy_nl) { - hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); - hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); - hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD, - &adapt_comp_reg); - if (link_up_wait_to_complete) { - for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { - if ((link_reg & 1) && - ((adapt_comp_reg & 1) == 0)) { - *link_up = true; - break; - } else { - *link_up = false; - } - msleep(100); - hw->phy.ops.read_reg(hw, 0xC79F, - MDIO_MMD_PMAPMD, - &link_reg); - hw->phy.ops.read_reg(hw, 0xC00C, - MDIO_MMD_PMAPMD, - &adapt_comp_reg); - } - } else { - if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0)) - *link_up = true; - else - *link_up = false; - } - - if (*link_up == false) - goto out; - } - - links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); - if (link_up_wait_to_complete) { - for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { - if (links_reg & IXGBE_LINKS_UP) { - *link_up = true; - break; - } else { - *link_up = false; - } - msleep(100); - links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); - } - } else { - if (links_reg & IXGBE_LINKS_UP) - *link_up = true; - else - *link_up = false; - } - - if (links_reg & IXGBE_LINKS_SPEED) - *speed = IXGBE_LINK_SPEED_10GB_FULL; - else - *speed = IXGBE_LINK_SPEED_1GB_FULL; - - if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && (*link_up == true) && - (ixgbe_validate_link_ready(hw) != 0)) - *link_up = false; - - /* if link is down, zero out the current_mode */ - if (*link_up == false) { - hw->fc.current_mode = ixgbe_fc_none; - hw->fc.fc_was_autonegged = false; - } -out: - return 0; -} - - -/** - * ixgbe_setup_mac_link_82598 - Set MAC link speed - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if auto-negotiation enabled - * @autoneg_wait_to_complete: true if waiting is needed to complete - * - * Set the link speed in the AUTOC register and restarts link. - **/ -static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, - ixgbe_link_speed speed, bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status = 0; - ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN; - u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - u32 autoc = curr_autoc; - u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK; - - /* Check to see if speed passed in is supported. */ - ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg); - speed &= link_capabilities; - - if (speed == IXGBE_LINK_SPEED_UNKNOWN) - status = IXGBE_ERR_LINK_SETUP; - - /* Set KX4/KX support according to speed requested */ - else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN || - link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { - autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK; - if (speed & IXGBE_LINK_SPEED_10GB_FULL) - autoc |= IXGBE_AUTOC_KX4_SUPP; - if (speed & IXGBE_LINK_SPEED_1GB_FULL) - autoc |= IXGBE_AUTOC_KX_SUPP; - if (autoc != curr_autoc) - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc); - } - - if (status == 0) { - /* - * Setup and restart the link based on the new values in - * ixgbe_hw This will write the AUTOC register based on the new - * stored values - */ - status = ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); - } - - return status; -} - - -/** - * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if autonegotiation enabled - * @autoneg_wait_to_complete: true if waiting is needed to complete - * - * Sets the link speed in the AUTOC register in the MAC and restarts link. - **/ -static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status; - - /* Setup the PHY according to input speed */ - status = hw->phy.ops.setup_link_speed(hw, speed, autoneg, - autoneg_wait_to_complete); - - /* Set up MAC */ - ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); - - return status; -} - -/** - * ixgbe_reset_hw_82598 - Performs hardware reset - * @hw: pointer to hardware structure - * - * Resets the hardware by resetting the transmit and receive units, masks and - * clears all interrupts, performing a PHY reset, and performing a link (MAC) - * reset. - **/ -static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw) -{ - s32 status = 0; - s32 phy_status = 0; - u32 ctrl; - u32 gheccr; - u32 i; - u32 autoc; - u8 analog_val; - - /* Call adapter stop to disable tx/rx and clear interrupts */ - hw->mac.ops.stop_adapter(hw); - - /* - * Power up the Atlas Tx lanes if they are currently powered down. - * Atlas Tx lanes are powered down for MAC loopback tests, but - * they are not automatically restored on reset. - */ - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val); - if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) { - /* Enable Tx Atlas so packets can be transmitted again */ - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, - &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, - analog_val); - - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, - &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, - analog_val); - - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, - &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, - analog_val); - - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, - &analog_val); - analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, - analog_val); - } - - /* Reset PHY */ - if (hw->phy.reset_disable == false) { - /* PHY ops must be identified and initialized prior to reset */ - - /* Init PHY and function pointers, perform SFP setup */ - phy_status = hw->phy.ops.init(hw); - if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED) - goto reset_hw_out; - else if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT) - goto no_phy_reset; - - - hw->phy.ops.reset(hw); - } - -no_phy_reset: - /* - * Prevent the PCI-E bus from from hanging by disabling PCI-E master - * access and verify no pending requests before reset - */ - status = ixgbe_disable_pcie_master(hw); - if (status != 0) { - status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - } - - /* - * Issue global reset to the MAC. This needs to be a SW reset. - * If link reset is used, it might reset the MAC when mng is using it - */ - ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); - IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST)); - IXGBE_WRITE_FLUSH(hw); - - /* Poll for reset bit to self-clear indicating reset is complete */ - for (i = 0; i < 10; i++) { - udelay(1); - ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); - if (!(ctrl & IXGBE_CTRL_RST)) - break; - } - if (ctrl & IXGBE_CTRL_RST) { - status = IXGBE_ERR_RESET_FAILED; - hw_dbg(hw, "Reset polling failed to complete.\n"); - } - - msleep(50); - - gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR); - gheccr &= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6)); - IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr); - - /* - * Store the original AUTOC value if it has not been - * stored off yet. Otherwise restore the stored original - * AUTOC value since the reset operation sets back to deaults. - */ - autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - if (hw->mac.orig_link_settings_stored == false) { - hw->mac.orig_autoc = autoc; - hw->mac.orig_link_settings_stored = true; - } else if (autoc != hw->mac.orig_autoc) { - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc); - } - - /* - * Store MAC address from RAR0, clear receive address registers, and - * clear the multicast table - */ - hw->mac.ops.init_rx_addrs(hw); - - /* Store the permanent mac address */ - hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); - -reset_hw_out: - if (phy_status) - status = phy_status; - - return status; -} - -/** - * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address - * @hw: pointer to hardware struct - * @rar: receive address register index to associate with a VMDq index - * @vmdq: VMDq set index - **/ -static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) -{ - u32 rar_high; - - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); - rar_high &= ~IXGBE_RAH_VIND_MASK; - rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK); - IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); - return 0; -} - -/** - * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address - * @hw: pointer to hardware struct - * @rar: receive address register index to associate with a VMDq index - * @vmdq: VMDq clear index (not used in 82598, but elsewhere) - **/ -static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) -{ - u32 rar_high; - u32 rar_entries = hw->mac.num_rar_entries; - - if (rar < rar_entries) { - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); - if (rar_high & IXGBE_RAH_VIND_MASK) { - rar_high &= ~IXGBE_RAH_VIND_MASK; - IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); - } - } else { - hw_dbg(hw, "RAR index %d is out of range.\n", rar); - } - - return 0; -} - -/** - * ixgbe_set_vfta_82598 - Set VLAN filter table - * @hw: pointer to hardware structure - * @vlan: VLAN id to write to VLAN filter - * @vind: VMDq output index that maps queue to VLAN id in VFTA - * @vlan_on: boolean flag to turn on/off VLAN in VFTA - * - * Turn on/off specified VLAN in the VLAN filter table. - **/ -static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, - bool vlan_on) -{ - u32 regindex; - u32 bitindex; - u32 bits; - u32 vftabyte; - - if (vlan > 4095) - return IXGBE_ERR_PARAM; - - /* Determine 32-bit word position in array */ - regindex = (vlan >> 5) & 0x7F; /* upper seven bits */ - - /* Determine the location of the (VMD) queue index */ - vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */ - bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */ - - /* Set the nibble for VMD queue index */ - bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex)); - bits &= (~(0x0F << bitindex)); - bits |= (vind << bitindex); - IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits); - - /* Determine the location of the bit for this VLAN id */ - bitindex = vlan & 0x1F; /* lower five bits */ - - bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex)); - if (vlan_on) - /* Turn on this VLAN id */ - bits |= (1 << bitindex); - else - /* Turn off this VLAN id */ - bits &= ~(1 << bitindex); - IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits); - - return 0; -} - -/** - * ixgbe_clear_vfta_82598 - Clear VLAN filter table - * @hw: pointer to hardware structure - * - * Clears the VLAN filer table, and the VMDq index associated with the filter - **/ -static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) -{ - u32 offset; - u32 vlanbyte; - - for (offset = 0; offset < hw->mac.vft_size; offset++) - IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0); - - for (vlanbyte = 0; vlanbyte < 4; vlanbyte++) - for (offset = 0; offset < hw->mac.vft_size; offset++) - IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset), - 0); - - return 0; -} - -/** - * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register - * @hw: pointer to hardware structure - * @reg: analog register to read - * @val: read value - * - * Performs read operation to Atlas analog register specified. - **/ -static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) -{ - u32 atlas_ctl; - - IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, - IXGBE_ATLASCTL_WRITE_CMD | (reg << 8)); - IXGBE_WRITE_FLUSH(hw); - udelay(10); - atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL); - *val = (u8)atlas_ctl; - - return 0; -} - -/** - * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register - * @hw: pointer to hardware structure - * @reg: atlas register to write - * @val: value to write - * - * Performs write operation to Atlas analog register specified. - **/ -static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) -{ - u32 atlas_ctl; - - atlas_ctl = (reg << 8) | val; - IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl); - IXGBE_WRITE_FLUSH(hw); - udelay(10); - - return 0; -} - -/** - * ixgbe_read_i2c_eeprom_82598 - Read 8 bit EEPROM word of an SFP+ module - * over I2C interface through an intermediate phy. - * @hw: pointer to hardware structure - * @byte_offset: EEPROM byte offset to read - * @eeprom_data: value read - * - * Performs byte read operation to SFP module's EEPROM over I2C interface. - **/ -static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, - u8 *eeprom_data) -{ - s32 status = 0; - u16 sfp_addr = 0; - u16 sfp_data = 0; - u16 sfp_stat = 0; - u32 i; - - if (hw->phy.type == ixgbe_phy_nl) { - /* - * phy SDA/SCL registers are at addresses 0xC30A to - * 0xC30D. These registers are used to talk to the SFP+ - * module's EEPROM through the SDA/SCL (I2C) interface. - */ - sfp_addr = (IXGBE_I2C_EEPROM_DEV_ADDR << 8) + byte_offset; - sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK); - hw->phy.ops.write_reg(hw, - IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR, - MDIO_MMD_PMAPMD, - sfp_addr); - - /* Poll status */ - for (i = 0; i < 100; i++) { - hw->phy.ops.read_reg(hw, - IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT, - MDIO_MMD_PMAPMD, - &sfp_stat); - sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK; - if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS) - break; - msleep(10); - } - - if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) { - hw_dbg(hw, "EEPROM read did not pass.\n"); - status = IXGBE_ERR_SFP_NOT_PRESENT; - goto out; - } - - /* Read data */ - hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA, - MDIO_MMD_PMAPMD, &sfp_data); - - *eeprom_data = (u8)(sfp_data >> 8); - } else { - status = IXGBE_ERR_PHY; - goto out; - } - -out: - return status; -} - -/** - * ixgbe_get_supported_physical_layer_82598 - Returns physical layer type - * @hw: pointer to hardware structure - * - * Determines physical layer capabilities of the current configuration. - **/ -static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw) -{ - u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; - u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - u32 pma_pmd_10g = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK; - u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK; - u16 ext_ability = 0; - - hw->phy.ops.identify(hw); - - /* Copper PHY must be checked before AUTOC LMS to determine correct - * physical layer because 10GBase-T PHYs use LMS = KX4/KX */ - if (hw->phy.type == ixgbe_phy_tn || - hw->phy.type == ixgbe_phy_cu_unknown) { - hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD, - &ext_ability); - if (ext_ability & MDIO_PMA_EXTABLE_10GBT) - physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; - if (ext_ability & MDIO_PMA_EXTABLE_1000BT) - physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T; - if (ext_ability & MDIO_PMA_EXTABLE_100BTX) - physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; - goto out; - } - - switch (autoc & IXGBE_AUTOC_LMS_MASK) { - case IXGBE_AUTOC_LMS_1G_AN: - case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: - if (pma_pmd_1g == IXGBE_AUTOC_1G_KX) - physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX; - else - physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX; - break; - case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: - if (pma_pmd_10g == IXGBE_AUTOC_10G_CX4) - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4; - else if (pma_pmd_10g == IXGBE_AUTOC_10G_KX4) - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4; - else /* XAUI */ - physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; - break; - case IXGBE_AUTOC_LMS_KX4_AN: - case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: - if (autoc & IXGBE_AUTOC_KX_SUPP) - physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX; - if (autoc & IXGBE_AUTOC_KX4_SUPP) - physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4; - break; - default: - break; - } - - if (hw->phy.type == ixgbe_phy_nl) { - hw->phy.ops.identify_sfp(hw); - - switch (hw->phy.sfp_type) { - case ixgbe_sfp_type_da_cu: - physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; - break; - case ixgbe_sfp_type_sr: - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; - break; - case ixgbe_sfp_type_lr: - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; - break; - default: - physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; - break; - } - } - - switch (hw->device_id) { - case IXGBE_DEV_ID_82598_DA_DUAL_PORT: - physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; - break; - case IXGBE_DEV_ID_82598AF_DUAL_PORT: - case IXGBE_DEV_ID_82598AF_SINGLE_PORT: - case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM: - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; - break; - case IXGBE_DEV_ID_82598EB_XF_LR: - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; - break; - default: - break; - } - -out: - return physical_layer; -} - -static struct ixgbe_mac_operations mac_ops_82598 = { - .init_hw = &ixgbe_init_hw_generic, - .reset_hw = &ixgbe_reset_hw_82598, - .start_hw = &ixgbe_start_hw_82598, - .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, - .get_media_type = &ixgbe_get_media_type_82598, - .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598, - .enable_rx_dma = &ixgbe_enable_rx_dma_generic, - .get_mac_addr = &ixgbe_get_mac_addr_generic, - .stop_adapter = &ixgbe_stop_adapter_generic, - .get_bus_info = &ixgbe_get_bus_info_generic, - .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, - .read_analog_reg8 = &ixgbe_read_analog_reg8_82598, - .write_analog_reg8 = &ixgbe_write_analog_reg8_82598, - .setup_link = &ixgbe_setup_mac_link_82598, - .check_link = &ixgbe_check_mac_link_82598, - .get_link_capabilities = &ixgbe_get_link_capabilities_82598, - .led_on = &ixgbe_led_on_generic, - .led_off = &ixgbe_led_off_generic, - .blink_led_start = &ixgbe_blink_led_start_generic, - .blink_led_stop = &ixgbe_blink_led_stop_generic, - .set_rar = &ixgbe_set_rar_generic, - .clear_rar = &ixgbe_clear_rar_generic, - .set_vmdq = &ixgbe_set_vmdq_82598, - .clear_vmdq = &ixgbe_clear_vmdq_82598, - .init_rx_addrs = &ixgbe_init_rx_addrs_generic, - .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, - .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, - .enable_mc = &ixgbe_enable_mc_generic, - .disable_mc = &ixgbe_disable_mc_generic, - .clear_vfta = &ixgbe_clear_vfta_82598, - .set_vfta = &ixgbe_set_vfta_82598, - .fc_enable = &ixgbe_fc_enable_82598, -}; - -static struct ixgbe_eeprom_operations eeprom_ops_82598 = { - .init_params = &ixgbe_init_eeprom_params_generic, - .read = &ixgbe_read_eerd_generic, - .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, - .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, - .update_checksum = &ixgbe_update_eeprom_checksum_generic, -}; - -static struct ixgbe_phy_operations phy_ops_82598 = { - .identify = &ixgbe_identify_phy_generic, - .identify_sfp = &ixgbe_identify_sfp_module_generic, - .init = &ixgbe_init_phy_ops_82598, - .reset = &ixgbe_reset_phy_generic, - .read_reg = &ixgbe_read_phy_reg_generic, - .write_reg = &ixgbe_write_phy_reg_generic, - .setup_link = &ixgbe_setup_phy_link_generic, - .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, - .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598, - .check_overtemp = &ixgbe_tn_check_overtemp, -}; - -struct ixgbe_info ixgbe_82598_info = { - .mac = ixgbe_mac_82598EB, - .get_invariants = &ixgbe_get_invariants_82598, - .mac_ops = &mac_ops_82598, - .eeprom_ops = &eeprom_ops_82598, - .phy_ops = &phy_ops_82598, -}; - diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c deleted file mode 100644 index 6827dddc383..00000000000 --- a/drivers/net/ixgbe/ixgbe_82599.c +++ /dev/null @@ -1,2202 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/sched.h> - -#include "ixgbe.h" -#include "ixgbe_phy.h" -#include "ixgbe_mbx.h" - -#define IXGBE_82599_MAX_TX_QUEUES 128 -#define IXGBE_82599_MAX_RX_QUEUES 128 -#define IXGBE_82599_RAR_ENTRIES 128 -#define IXGBE_82599_MC_TBL_SIZE 128 -#define IXGBE_82599_VFT_TBL_SIZE 128 - -static void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); -static void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); -static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); -static s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete); -static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete); -static s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw, - bool autoneg_wait_to_complete); -static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete); -static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete); -static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw); - -static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw) -{ - struct ixgbe_mac_info *mac = &hw->mac; - - /* enable the laser control functions for SFP+ fiber */ - if (mac->ops.get_media_type(hw) == ixgbe_media_type_fiber) { - mac->ops.disable_tx_laser = - &ixgbe_disable_tx_laser_multispeed_fiber; - mac->ops.enable_tx_laser = - &ixgbe_enable_tx_laser_multispeed_fiber; - mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber; - } else { - mac->ops.disable_tx_laser = NULL; - mac->ops.enable_tx_laser = NULL; - mac->ops.flap_tx_laser = NULL; - } - - if (hw->phy.multispeed_fiber) { - /* Set up dual speed SFP+ support */ - mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber; - } else { - if ((mac->ops.get_media_type(hw) == - ixgbe_media_type_backplane) && - (hw->phy.smart_speed == ixgbe_smart_speed_auto || - hw->phy.smart_speed == ixgbe_smart_speed_on)) - mac->ops.setup_link = &ixgbe_setup_mac_link_smartspeed; - else - mac->ops.setup_link = &ixgbe_setup_mac_link_82599; - } -} - -static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw) -{ - s32 ret_val = 0; - u32 reg_anlp1 = 0; - u32 i = 0; - u16 list_offset, data_offset, data_value; - - if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) { - ixgbe_init_mac_link_ops_82599(hw); - - hw->phy.ops.reset = NULL; - - ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset, - &data_offset); - - if (ret_val != 0) - goto setup_sfp_out; - - /* PHY config will finish before releasing the semaphore */ - ret_val = ixgbe_acquire_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM); - if (ret_val != 0) { - ret_val = IXGBE_ERR_SWFW_SYNC; - goto setup_sfp_out; - } - - hw->eeprom.ops.read(hw, ++data_offset, &data_value); - while (data_value != 0xffff) { - IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value); - IXGBE_WRITE_FLUSH(hw); - hw->eeprom.ops.read(hw, ++data_offset, &data_value); - } - - /* Release the semaphore */ - ixgbe_release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM); - /* Delay obtaining semaphore again to allow FW access */ - msleep(hw->eeprom.semaphore_delay); - - /* Now restart DSP by setting Restart_AN and clearing LMS */ - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, ((IXGBE_READ_REG(hw, - IXGBE_AUTOC) & ~IXGBE_AUTOC_LMS_MASK) | - IXGBE_AUTOC_AN_RESTART)); - - /* Wait for AN to leave state 0 */ - for (i = 0; i < 10; i++) { - msleep(4); - reg_anlp1 = IXGBE_READ_REG(hw, IXGBE_ANLP1); - if (reg_anlp1 & IXGBE_ANLP1_AN_STATE_MASK) - break; - } - if (!(reg_anlp1 & IXGBE_ANLP1_AN_STATE_MASK)) { - hw_dbg(hw, "sfp module setup not complete\n"); - ret_val = IXGBE_ERR_SFP_SETUP_NOT_COMPLETE; - goto setup_sfp_out; - } - - /* Restart DSP by setting Restart_AN and return to SFI mode */ - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (IXGBE_READ_REG(hw, - IXGBE_AUTOC) | IXGBE_AUTOC_LMS_10G_SERIAL | - IXGBE_AUTOC_AN_RESTART)); - } - -setup_sfp_out: - return ret_val; -} - -static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw) -{ - struct ixgbe_mac_info *mac = &hw->mac; - - ixgbe_init_mac_link_ops_82599(hw); - - mac->mcft_size = IXGBE_82599_MC_TBL_SIZE; - mac->vft_size = IXGBE_82599_VFT_TBL_SIZE; - mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES; - mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES; - mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES; - mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw); - - return 0; -} - -/** - * ixgbe_init_phy_ops_82599 - PHY/SFP specific init - * @hw: pointer to hardware structure - * - * Initialize any function pointers that were not able to be - * set during get_invariants because the PHY/SFP type was - * not known. Perform the SFP init if necessary. - * - **/ -static s32 ixgbe_init_phy_ops_82599(struct ixgbe_hw *hw) -{ - struct ixgbe_mac_info *mac = &hw->mac; - struct ixgbe_phy_info *phy = &hw->phy; - s32 ret_val = 0; - - /* Identify the PHY or SFP module */ - ret_val = phy->ops.identify(hw); - - /* Setup function pointers based on detected SFP module and speeds */ - ixgbe_init_mac_link_ops_82599(hw); - - /* If copper media, overwrite with copper function pointers */ - if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) { - mac->ops.setup_link = &ixgbe_setup_copper_link_82599; - mac->ops.get_link_capabilities = - &ixgbe_get_copper_link_capabilities_generic; - } - - /* Set necessary function pointers based on phy type */ - switch (hw->phy.type) { - case ixgbe_phy_tn: - phy->ops.check_link = &ixgbe_check_phy_link_tnx; - phy->ops.get_firmware_version = - &ixgbe_get_phy_firmware_version_tnx; - break; - case ixgbe_phy_aq: - phy->ops.get_firmware_version = - &ixgbe_get_phy_firmware_version_generic; - break; - default: - break; - } - - return ret_val; -} - -/** - * ixgbe_get_link_capabilities_82599 - Determines link capabilities - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @negotiation: true when autoneg or autotry is enabled - * - * Determines the link capabilities by reading the AUTOC register. - **/ -static s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, - bool *negotiation) -{ - s32 status = 0; - u32 autoc = 0; - - /* Determine 1G link capabilities off of SFP+ type */ - if (hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0 || - hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1) { - *speed = IXGBE_LINK_SPEED_1GB_FULL; - *negotiation = true; - goto out; - } - - /* - * Determine link capabilities based on the stored value of AUTOC, - * which represents EEPROM defaults. If AUTOC value has not been - * stored, use the current register value. - */ - if (hw->mac.orig_link_settings_stored) - autoc = hw->mac.orig_autoc; - else - autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - - switch (autoc & IXGBE_AUTOC_LMS_MASK) { - case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: - *speed = IXGBE_LINK_SPEED_1GB_FULL; - *negotiation = false; - break; - - case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: - *speed = IXGBE_LINK_SPEED_10GB_FULL; - *negotiation = false; - break; - - case IXGBE_AUTOC_LMS_1G_AN: - *speed = IXGBE_LINK_SPEED_1GB_FULL; - *negotiation = true; - break; - - case IXGBE_AUTOC_LMS_10G_SERIAL: - *speed = IXGBE_LINK_SPEED_10GB_FULL; - *negotiation = false; - break; - - case IXGBE_AUTOC_LMS_KX4_KX_KR: - case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN: - *speed = IXGBE_LINK_SPEED_UNKNOWN; - if (autoc & IXGBE_AUTOC_KR_SUPP) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (autoc & IXGBE_AUTOC_KX4_SUPP) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (autoc & IXGBE_AUTOC_KX_SUPP) - *speed |= IXGBE_LINK_SPEED_1GB_FULL; - *negotiation = true; - break; - - case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII: - *speed = IXGBE_LINK_SPEED_100_FULL; - if (autoc & IXGBE_AUTOC_KR_SUPP) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (autoc & IXGBE_AUTOC_KX4_SUPP) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (autoc & IXGBE_AUTOC_KX_SUPP) - *speed |= IXGBE_LINK_SPEED_1GB_FULL; - *negotiation = true; - break; - - case IXGBE_AUTOC_LMS_SGMII_1G_100M: - *speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL; - *negotiation = false; - break; - - default: - status = IXGBE_ERR_LINK_SETUP; - goto out; - break; - } - - if (hw->phy.multispeed_fiber) { - *speed |= IXGBE_LINK_SPEED_10GB_FULL | - IXGBE_LINK_SPEED_1GB_FULL; - *negotiation = true; - } - -out: - return status; -} - -/** - * ixgbe_get_media_type_82599 - Get media type - * @hw: pointer to hardware structure - * - * Returns the media type (fiber, copper, backplane) - **/ -static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw) -{ - enum ixgbe_media_type media_type; - - /* Detect if there is a copper PHY attached. */ - if (hw->phy.type == ixgbe_phy_cu_unknown || - hw->phy.type == ixgbe_phy_tn || - hw->phy.type == ixgbe_phy_aq) { - media_type = ixgbe_media_type_copper; - goto out; - } - - switch (hw->device_id) { - case IXGBE_DEV_ID_82599_KX4: - case IXGBE_DEV_ID_82599_KX4_MEZZ: - case IXGBE_DEV_ID_82599_COMBO_BACKPLANE: - case IXGBE_DEV_ID_82599_KR: - case IXGBE_DEV_ID_82599_BACKPLANE_FCOE: - case IXGBE_DEV_ID_82599_XAUI_LOM: - /* Default device ID is mezzanine card KX/KX4 */ - media_type = ixgbe_media_type_backplane; - break; - case IXGBE_DEV_ID_82599_SFP: - case IXGBE_DEV_ID_82599_SFP_FCOE: - case IXGBE_DEV_ID_82599_SFP_EM: - media_type = ixgbe_media_type_fiber; - break; - case IXGBE_DEV_ID_82599_CX4: - media_type = ixgbe_media_type_cx4; - break; - default: - media_type = ixgbe_media_type_unknown; - break; - } -out: - return media_type; -} - -/** - * ixgbe_start_mac_link_82599 - Setup MAC link settings - * @hw: pointer to hardware structure - * @autoneg_wait_to_complete: true when waiting for completion is needed - * - * Configures link settings based on values in the ixgbe_hw struct. - * Restarts the link. Performs autonegotiation if needed. - **/ -static s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw, - bool autoneg_wait_to_complete) -{ - u32 autoc_reg; - u32 links_reg; - u32 i; - s32 status = 0; - - /* Restart link */ - autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - autoc_reg |= IXGBE_AUTOC_AN_RESTART; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); - - /* Only poll for autoneg to complete if specified to do so */ - if (autoneg_wait_to_complete) { - if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) == - IXGBE_AUTOC_LMS_KX4_KX_KR || - (autoc_reg & IXGBE_AUTOC_LMS_MASK) == - IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN || - (autoc_reg & IXGBE_AUTOC_LMS_MASK) == - IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { - links_reg = 0; /* Just in case Autoneg time = 0 */ - for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { - links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); - if (links_reg & IXGBE_LINKS_KX_AN_COMP) - break; - msleep(100); - } - if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { - status = IXGBE_ERR_AUTONEG_NOT_COMPLETE; - hw_dbg(hw, "Autoneg did not complete.\n"); - } - } - } - - /* Add delay to filter out noises during initial link setup */ - msleep(50); - - return status; -} - - /** - * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser - * @hw: pointer to hardware structure - * - * The base drivers may require better control over SFP+ module - * PHY states. This includes selectively shutting down the Tx - * laser on the PHY, effectively halting physical link. - **/ -static void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) -{ - u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); - - /* Disable tx laser; allow 100us to go dark per spec */ - esdp_reg |= IXGBE_ESDP_SDP3; - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); - IXGBE_WRITE_FLUSH(hw); - udelay(100); -} - -/** - * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser - * @hw: pointer to hardware structure - * - * The base drivers may require better control over SFP+ module - * PHY states. This includes selectively turning on the Tx - * laser on the PHY, effectively starting physical link. - **/ -static void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) -{ - u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); - - /* Enable tx laser; allow 100ms to light up */ - esdp_reg &= ~IXGBE_ESDP_SDP3; - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); - IXGBE_WRITE_FLUSH(hw); - msleep(100); -} - -/** - * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser - * @hw: pointer to hardware structure - * - * When the driver changes the link speeds that it can support, - * it sets autotry_restart to true to indicate that we need to - * initiate a new autotry session with the link partner. To do - * so, we set the speed then disable and re-enable the tx laser, to - * alert the link partner that it also needs to restart autotry on its - * end. This is consistent with true clause 37 autoneg, which also - * involves a loss of signal. - **/ -static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) -{ - hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n"); - - if (hw->mac.autotry_restart) { - ixgbe_disable_tx_laser_multispeed_fiber(hw); - ixgbe_enable_tx_laser_multispeed_fiber(hw); - hw->mac.autotry_restart = false; - } -} - -/** - * ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if autonegotiation enabled - * @autoneg_wait_to_complete: true when waiting for completion is needed - * - * Set the link speed in the AUTOC register and restarts link. - **/ -s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status = 0; - ixgbe_link_speed phy_link_speed; - ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN; - u32 speedcnt = 0; - u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); - bool link_up = false; - bool negotiation; - int i; - - /* Mask off requested but non-supported speeds */ - hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation); - speed &= phy_link_speed; - - /* - * Try each speed one by one, highest priority first. We do this in - * software because 10gb fiber doesn't support speed autonegotiation. - */ - if (speed & IXGBE_LINK_SPEED_10GB_FULL) { - speedcnt++; - highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL; - - /* If we already have link at this speed, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); - - if ((phy_link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up) - goto out; - - /* Set the module link speed */ - esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5); - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); - IXGBE_WRITE_FLUSH(hw); - - /* Allow module to change analog characteristics (1G->10G) */ - msleep(40); - - status = ixgbe_setup_mac_link_82599(hw, - IXGBE_LINK_SPEED_10GB_FULL, - autoneg, - autoneg_wait_to_complete); - if (status != 0) - return status; - - /* Flap the tx laser if it has not already been done */ - hw->mac.ops.flap_tx_laser(hw); - - /* - * Wait for the controller to acquire link. Per IEEE 802.3ap, - * Section 73.10.2, we may have to wait up to 500ms if KR is - * attempted. 82599 uses the same timing for 10g SFI. - */ - - for (i = 0; i < 5; i++) { - /* Wait for the link partner to also set speed */ - msleep(100); - - /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, - &link_up, false); - if (link_up) - goto out; - } - } - - if (speed & IXGBE_LINK_SPEED_1GB_FULL) { - speedcnt++; - if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN) - highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL; - - /* If we already have link at this speed, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); - - if ((phy_link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up) - goto out; - - /* Set the module link speed */ - esdp_reg &= ~IXGBE_ESDP_SDP5; - esdp_reg |= IXGBE_ESDP_SDP5_DIR; - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); - IXGBE_WRITE_FLUSH(hw); - - /* Allow module to change analog characteristics (10G->1G) */ - msleep(40); - - status = ixgbe_setup_mac_link_82599(hw, - IXGBE_LINK_SPEED_1GB_FULL, - autoneg, - autoneg_wait_to_complete); - if (status != 0) - return status; - - /* Flap the tx laser if it has not already been done */ - hw->mac.ops.flap_tx_laser(hw); - - /* Wait for the link partner to also set speed */ - msleep(100); - - /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false); - if (link_up) - goto out; - } - - /* - * We didn't get link. Configure back to the highest speed we tried, - * (if there was more than one). We call ourselves back with just the - * single highest speed that the user requested. - */ - if (speedcnt > 1) - status = ixgbe_setup_mac_link_multispeed_fiber(hw, - highest_link_speed, - autoneg, - autoneg_wait_to_complete); - -out: - /* Set autoneg_advertised value based on input link speed */ - hw->phy.autoneg_advertised = 0; - - if (speed & IXGBE_LINK_SPEED_10GB_FULL) - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL; - - if (speed & IXGBE_LINK_SPEED_1GB_FULL) - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL; - - return status; -} - -/** - * ixgbe_setup_mac_link_smartspeed - Set MAC link speed using SmartSpeed - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if autonegotiation enabled - * @autoneg_wait_to_complete: true when waiting for completion is needed - * - * Implements the Intel SmartSpeed algorithm. - **/ -static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw, - ixgbe_link_speed speed, bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status = 0; - ixgbe_link_speed link_speed; - s32 i, j; - bool link_up = false; - u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - struct ixgbe_adapter *adapter = hw->back; - - hw_dbg(hw, "ixgbe_setup_mac_link_smartspeed.\n"); - - /* Set autoneg_advertised value based on input link speed */ - hw->phy.autoneg_advertised = 0; - - if (speed & IXGBE_LINK_SPEED_10GB_FULL) - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL; - - if (speed & IXGBE_LINK_SPEED_1GB_FULL) - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL; - - if (speed & IXGBE_LINK_SPEED_100_FULL) - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_100_FULL; - - /* - * Implement Intel SmartSpeed algorithm. SmartSpeed will reduce the - * autoneg advertisement if link is unable to be established at the - * highest negotiated rate. This can sometimes happen due to integrity - * issues with the physical media connection. - */ - - /* First, try to get link with full advertisement */ - hw->phy.smart_speed_active = false; - for (j = 0; j < IXGBE_SMARTSPEED_MAX_RETRIES; j++) { - status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, - autoneg_wait_to_complete); - if (status) - goto out; - - /* - * Wait for the controller to acquire link. Per IEEE 802.3ap, - * Section 73.10.2, we may have to wait up to 500ms if KR is - * attempted, or 200ms if KX/KX4/BX/BX4 is attempted, per - * Table 9 in the AN MAS. - */ - for (i = 0; i < 5; i++) { - mdelay(100); - - /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &link_speed, - &link_up, false); - if (link_up) - goto out; - } - } - - /* - * We didn't get link. If we advertised KR plus one of KX4/KX - * (or BX4/BX), then disable KR and try again. - */ - if (((autoc_reg & IXGBE_AUTOC_KR_SUPP) == 0) || - ((autoc_reg & IXGBE_AUTOC_KX4_KX_SUPP_MASK) == 0)) - goto out; - - /* Turn SmartSpeed on to disable KR support */ - hw->phy.smart_speed_active = true; - status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, - autoneg_wait_to_complete); - if (status) - goto out; - - /* - * Wait for the controller to acquire link. 600ms will allow for - * the AN link_fail_inhibit_timer as well for multiple cycles of - * parallel detect, both 10g and 1g. This allows for the maximum - * connect attempts as defined in the AN MAS table 73-7. - */ - for (i = 0; i < 6; i++) { - mdelay(100); - - /* If we have link, just jump out */ - hw->mac.ops.check_link(hw, &link_speed, - &link_up, false); - if (link_up) - goto out; - } - - /* We didn't get link. Turn SmartSpeed back off. */ - hw->phy.smart_speed_active = false; - status = ixgbe_setup_mac_link_82599(hw, speed, autoneg, - autoneg_wait_to_complete); - -out: - if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL)) - e_info(hw, "Smartspeed has downgraded the link speed from " - "the maximum advertised\n"); - return status; -} - -/** - * ixgbe_setup_mac_link_82599 - Set MAC link speed - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if autonegotiation enabled - * @autoneg_wait_to_complete: true when waiting for completion is needed - * - * Set the link speed in the AUTOC register and restarts link. - **/ -static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw, - ixgbe_link_speed speed, bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status = 0; - u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); - u32 start_autoc = autoc; - u32 orig_autoc = 0; - u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK; - u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK; - u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK; - u32 links_reg; - u32 i; - ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN; - - /* Check to see if speed passed in is supported. */ - hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg); - speed &= link_capabilities; - - if (speed == IXGBE_LINK_SPEED_UNKNOWN) { - status = IXGBE_ERR_LINK_SETUP; - goto out; - } - - /* Use stored value (EEPROM defaults) of AUTOC to find KR/KX4 support*/ - if (hw->mac.orig_link_settings_stored) - orig_autoc = hw->mac.orig_autoc; - else - orig_autoc = autoc; - - - if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR || - link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN || - link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { - /* Set KX4/KX/KR support according to speed requested */ - autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP); - if (speed & IXGBE_LINK_SPEED_10GB_FULL) - if (orig_autoc & IXGBE_AUTOC_KX4_SUPP) - autoc |= IXGBE_AUTOC_KX4_SUPP; - if ((orig_autoc & IXGBE_AUTOC_KR_SUPP) && - (hw->phy.smart_speed_active == false)) - autoc |= IXGBE_AUTOC_KR_SUPP; - if (speed & IXGBE_LINK_SPEED_1GB_FULL) - autoc |= IXGBE_AUTOC_KX_SUPP; - } else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) && - (link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN || - link_mode == IXGBE_AUTOC_LMS_1G_AN)) { - /* Switch from 1G SFI to 10G SFI if requested */ - if ((speed == IXGBE_LINK_SPEED_10GB_FULL) && - (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) { - autoc &= ~IXGBE_AUTOC_LMS_MASK; - autoc |= IXGBE_AUTOC_LMS_10G_SERIAL; - } - } else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) && - (link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) { - /* Switch from 10G SFI to 1G SFI if requested */ - if ((speed == IXGBE_LINK_SPEED_1GB_FULL) && - (pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) { - autoc &= ~IXGBE_AUTOC_LMS_MASK; - if (autoneg) - autoc |= IXGBE_AUTOC_LMS_1G_AN; - else - autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN; - } - } - - if (autoc != start_autoc) { - /* Restart link */ - autoc |= IXGBE_AUTOC_AN_RESTART; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc); - - /* Only poll for autoneg to complete if specified to do so */ - if (autoneg_wait_to_complete) { - if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR || - link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN || - link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) { - links_reg = 0; /*Just in case Autoneg time=0*/ - for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { - links_reg = - IXGBE_READ_REG(hw, IXGBE_LINKS); - if (links_reg & IXGBE_LINKS_KX_AN_COMP) - break; - msleep(100); - } - if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { - status = - IXGBE_ERR_AUTONEG_NOT_COMPLETE; - hw_dbg(hw, "Autoneg did not " - "complete.\n"); - } - } - } - - /* Add delay to filter out noises during initial link setup */ - msleep(50); - } - -out: - return status; -} - -/** - * ixgbe_setup_copper_link_82599 - Set the PHY autoneg advertised field - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if autonegotiation enabled - * @autoneg_wait_to_complete: true if waiting is needed to complete - * - * Restarts link on PHY and MAC based on settings passed in. - **/ -static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete) -{ - s32 status; - - /* Setup the PHY according to input speed */ - status = hw->phy.ops.setup_link_speed(hw, speed, autoneg, - autoneg_wait_to_complete); - /* Set up MAC */ - ixgbe_start_mac_link_82599(hw, autoneg_wait_to_complete); - - return status; -} - -/** - * ixgbe_reset_hw_82599 - Perform hardware reset - * @hw: pointer to hardware structure - * - * Resets the hardware by resetting the transmit and receive units, masks - * and clears all interrupts, perform a PHY reset, and perform a link (MAC) - * reset. - **/ -static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw) -{ - s32 status = 0; - u32 ctrl; - u32 i; - u32 autoc; - u32 autoc2; - - /* Call adapter stop to disable tx/rx and clear interrupts */ - hw->mac.ops.stop_adapter(hw); - - /* PHY ops must be identified and initialized prior to reset */ - - /* Init PHY and function pointers, perform SFP setup */ - status = hw->phy.ops.init(hw); - - if (status == IXGBE_ERR_SFP_NOT_SUPPORTED) - goto reset_hw_out; - - /* Setup SFP module if there is one present. */ - if (hw->phy.sfp_setup_needed) { - status = hw->mac.ops.setup_sfp(hw); - hw->phy.sfp_setup_needed = false; - } - - /* Reset PHY */ - if (hw->phy.reset_disable == false && hw->phy.ops.reset != NULL) - hw->phy.ops.reset(hw); - - /* - * Prevent the PCI-E bus from from hanging by disabling PCI-E master - * access and verify no pending requests before reset - */ - status = ixgbe_disable_pcie_master(hw); - if (status != 0) { - status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - } - - /* - * Issue global reset to the MAC. This needs to be a SW reset. - * If link reset is used, it might reset the MAC when mng is using it - */ - ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); - IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST)); - IXGBE_WRITE_FLUSH(hw); - - /* Poll for reset bit to self-clear indicating reset is complete */ - for (i = 0; i < 10; i++) { - udelay(1); - ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); - if (!(ctrl & IXGBE_CTRL_RST)) - break; - } - if (ctrl & IXGBE_CTRL_RST) { - status = IXGBE_ERR_RESET_FAILED; - hw_dbg(hw, "Reset polling failed to complete.\n"); - } - - msleep(50); - - /* - * Store the original AUTOC/AUTOC2 values if they have not been - * stored off yet. Otherwise restore the stored original - * values since the reset operation sets back to defaults. - */ - autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); - if (hw->mac.orig_link_settings_stored == false) { - hw->mac.orig_autoc = autoc; - hw->mac.orig_autoc2 = autoc2; - hw->mac.orig_link_settings_stored = true; - } else { - if (autoc != hw->mac.orig_autoc) - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc | - IXGBE_AUTOC_AN_RESTART)); - - if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) != - (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) { - autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK; - autoc2 |= (hw->mac.orig_autoc2 & - IXGBE_AUTOC2_UPPER_MASK); - IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2); - } - } - - /* - * Store MAC address from RAR0, clear receive address registers, and - * clear the multicast table. Also reset num_rar_entries to 128, - * since we modify this value when programming the SAN MAC address. - */ - hw->mac.num_rar_entries = 128; - hw->mac.ops.init_rx_addrs(hw); - - /* Store the permanent mac address */ - hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); - - /* Store the permanent SAN mac address */ - hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr); - - /* Add the SAN MAC address to the RAR only if it's a valid address */ - if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) { - hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, - hw->mac.san_addr, 0, IXGBE_RAH_AV); - - /* Reserve the last RAR for the SAN MAC address */ - hw->mac.num_rar_entries--; - } - - /* Store the alternative WWNN/WWPN prefix */ - hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix, - &hw->mac.wwpn_prefix); - -reset_hw_out: - return status; -} - -/** - * ixgbe_reinit_fdir_tables_82599 - Reinitialize Flow Director tables. - * @hw: pointer to hardware structure - **/ -s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw) -{ - int i; - u32 fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL); - fdirctrl &= ~IXGBE_FDIRCTRL_INIT_DONE; - - /* - * Before starting reinitialization process, - * FDIRCMD.CMD must be zero. - */ - for (i = 0; i < IXGBE_FDIRCMD_CMD_POLL; i++) { - if (!(IXGBE_READ_REG(hw, IXGBE_FDIRCMD) & - IXGBE_FDIRCMD_CMD_MASK)) - break; - udelay(10); - } - if (i >= IXGBE_FDIRCMD_CMD_POLL) { - hw_dbg(hw ,"Flow Director previous command isn't complete, " - "aborting table re-initialization.\n"); - return IXGBE_ERR_FDIR_REINIT_FAILED; - } - - IXGBE_WRITE_REG(hw, IXGBE_FDIRFREE, 0); - IXGBE_WRITE_FLUSH(hw); - /* - * 82599 adapters flow director init flow cannot be restarted, - * Workaround 82599 silicon errata by performing the following steps - * before re-writing the FDIRCTRL control register with the same value. - * - write 1 to bit 8 of FDIRCMD register & - * - write 0 to bit 8 of FDIRCMD register - */ - IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, - (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) | - IXGBE_FDIRCMD_CLEARHT)); - IXGBE_WRITE_FLUSH(hw); - IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, - (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) & - ~IXGBE_FDIRCMD_CLEARHT)); - IXGBE_WRITE_FLUSH(hw); - /* - * Clear FDIR Hash register to clear any leftover hashes - * waiting to be programmed. - */ - IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, 0x00); - IXGBE_WRITE_FLUSH(hw); - - IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl); - IXGBE_WRITE_FLUSH(hw); - - /* Poll init-done after we write FDIRCTRL register */ - for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) { - if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & - IXGBE_FDIRCTRL_INIT_DONE) - break; - udelay(10); - } - if (i >= IXGBE_FDIR_INIT_DONE_POLL) { - hw_dbg(hw, "Flow Director Signature poll time exceeded!\n"); - return IXGBE_ERR_FDIR_REINIT_FAILED; - } - - /* Clear FDIR statistics registers (read to clear) */ - IXGBE_READ_REG(hw, IXGBE_FDIRUSTAT); - IXGBE_READ_REG(hw, IXGBE_FDIRFSTAT); - IXGBE_READ_REG(hw, IXGBE_FDIRMATCH); - IXGBE_READ_REG(hw, IXGBE_FDIRMISS); - IXGBE_READ_REG(hw, IXGBE_FDIRLEN); - - return 0; -} - -/** - * ixgbe_init_fdir_signature_82599 - Initialize Flow Director signature filters - * @hw: pointer to hardware structure - * @pballoc: which mode to allocate filters with - **/ -s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc) -{ - u32 fdirctrl = 0; - u32 pbsize; - int i; - - /* - * Before enabling Flow Director, the Rx Packet Buffer size - * must be reduced. The new value is the current size minus - * flow director memory usage size. - */ - pbsize = (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT + pballoc)); - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), - (IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) - pbsize)); - - /* - * The defaults in the HW for RX PB 1-7 are not zero and so should be - * intialized to zero for non DCB mode otherwise actual total RX PB - * would be bigger than programmed and filter space would run into - * the PB 0 region. - */ - for (i = 1; i < 8; i++) - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0); - - /* Send interrupt when 64 filters are left */ - fdirctrl |= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT; - - /* Set the maximum length per hash bucket to 0xA filters */ - fdirctrl |= 0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT; - - switch (pballoc) { - case IXGBE_FDIR_PBALLOC_64K: - /* 8k - 1 signature filters */ - fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_64K; - break; - case IXGBE_FDIR_PBALLOC_128K: - /* 16k - 1 signature filters */ - fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_128K; - break; - case IXGBE_FDIR_PBALLOC_256K: - /* 32k - 1 signature filters */ - fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_256K; - break; - default: - /* bad value */ - return IXGBE_ERR_CONFIG; - }; - - /* Move the flexible bytes to use the ethertype - shift 6 words */ - fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT); - - fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS; - - /* Prime the keys for hashing */ - IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY, - htonl(IXGBE_ATR_BUCKET_HASH_KEY)); - IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY, - htonl(IXGBE_ATR_SIGNATURE_HASH_KEY)); - - /* - * Poll init-done after we write the register. Estimated times: - * 10G: PBALLOC = 11b, timing is 60us - * 1G: PBALLOC = 11b, timing is 600us - * 100M: PBALLOC = 11b, timing is 6ms - * - * Multiple these timings by 4 if under full Rx load - * - * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for - * 1 msec per poll time. If we're at line rate and drop to 100M, then - * this might not finish in our poll time, but we can live with that - * for now. - */ - IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl); - IXGBE_WRITE_FLUSH(hw); - for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) { - if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & - IXGBE_FDIRCTRL_INIT_DONE) - break; - msleep(1); - } - if (i >= IXGBE_FDIR_INIT_DONE_POLL) - hw_dbg(hw, "Flow Director Signature poll time exceeded!\n"); - - return 0; -} - -/** - * ixgbe_init_fdir_perfect_82599 - Initialize Flow Director perfect filters - * @hw: pointer to hardware structure - * @pballoc: which mode to allocate filters with - **/ -s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc) -{ - u32 fdirctrl = 0; - u32 pbsize; - int i; - - /* - * Before enabling Flow Director, the Rx Packet Buffer size - * must be reduced. The new value is the current size minus - * flow director memory usage size. - */ - pbsize = (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT + pballoc)); - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), - (IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) - pbsize)); - - /* - * The defaults in the HW for RX PB 1-7 are not zero and so should be - * intialized to zero for non DCB mode otherwise actual total RX PB - * would be bigger than programmed and filter space would run into - * the PB 0 region. - */ - for (i = 1; i < 8; i++) - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0); - - /* Send interrupt when 64 filters are left */ - fdirctrl |= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT; - - /* Initialize the drop queue to Rx queue 127 */ - fdirctrl |= (127 << IXGBE_FDIRCTRL_DROP_Q_SHIFT); - - switch (pballoc) { - case IXGBE_FDIR_PBALLOC_64K: - /* 2k - 1 perfect filters */ - fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_64K; - break; - case IXGBE_FDIR_PBALLOC_128K: - /* 4k - 1 perfect filters */ - fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_128K; - break; - case IXGBE_FDIR_PBALLOC_256K: - /* 8k - 1 perfect filters */ - fdirctrl |= IXGBE_FDIRCTRL_PBALLOC_256K; - break; - default: - /* bad value */ - return IXGBE_ERR_CONFIG; - }; - - /* Turn perfect match filtering on */ - fdirctrl |= IXGBE_FDIRCTRL_PERFECT_MATCH; - fdirctrl |= IXGBE_FDIRCTRL_REPORT_STATUS; - - /* Move the flexible bytes to use the ethertype - shift 6 words */ - fdirctrl |= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT); - - /* Prime the keys for hashing */ - IXGBE_WRITE_REG(hw, IXGBE_FDIRHKEY, - htonl(IXGBE_ATR_BUCKET_HASH_KEY)); - IXGBE_WRITE_REG(hw, IXGBE_FDIRSKEY, - htonl(IXGBE_ATR_SIGNATURE_HASH_KEY)); - - /* - * Poll init-done after we write the register. Estimated times: - * 10G: PBALLOC = 11b, timing is 60us - * 1G: PBALLOC = 11b, timing is 600us - * 100M: PBALLOC = 11b, timing is 6ms - * - * Multiple these timings by 4 if under full Rx load - * - * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for - * 1 msec per poll time. If we're at line rate and drop to 100M, then - * this might not finish in our poll time, but we can live with that - * for now. - */ - - /* Set the maximum length per hash bucket to 0xA filters */ - fdirctrl |= (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT); - - IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl); - IXGBE_WRITE_FLUSH(hw); - for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) { - if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) & - IXGBE_FDIRCTRL_INIT_DONE) - break; - msleep(1); - } - if (i >= IXGBE_FDIR_INIT_DONE_POLL) - hw_dbg(hw, "Flow Director Perfect poll time exceeded!\n"); - - return 0; -} - - -/** - * ixgbe_atr_compute_hash_82599 - Compute the hashes for SW ATR - * @stream: input bitstream to compute the hash on - * @key: 32-bit hash key - **/ -static u16 ixgbe_atr_compute_hash_82599(struct ixgbe_atr_input *atr_input, - u32 key) -{ - /* - * The algorithm is as follows: - * Hash[15:0] = Sum { S[n] x K[n+16] }, n = 0...350 - * where Sum {A[n]}, n = 0...n is bitwise XOR of A[0], A[1]...A[n] - * and A[n] x B[n] is bitwise AND between same length strings - * - * K[n] is 16 bits, defined as: - * for n modulo 32 >= 15, K[n] = K[n % 32 : (n % 32) - 15] - * for n modulo 32 < 15, K[n] = - * K[(n % 32:0) | (31:31 - (14 - (n % 32)))] - * - * S[n] is 16 bits, defined as: - * for n >= 15, S[n] = S[n:n - 15] - * for n < 15, S[n] = S[(n:0) | (350:350 - (14 - n))] - * - * To simplify for programming, the algorithm is implemented - * in software this way: - * - * Key[31:0], Stream[335:0] - * - * tmp_key[11 * 32 - 1:0] = 11{Key[31:0] = key concatenated 11 times - * int_key[350:0] = tmp_key[351:1] - * int_stream[365:0] = Stream[14:0] | Stream[335:0] | Stream[335:321] - * - * hash[15:0] = 0; - * for (i = 0; i < 351; i++) { - * if (int_key[i]) - * hash ^= int_stream[(i + 15):i]; - * } - */ - - union { - u64 fill[6]; - u32 key[11]; - u8 key_stream[44]; - } tmp_key; - - u8 *stream = (u8 *)atr_input; - u8 int_key[44]; /* upper-most bit unused */ - u8 hash_str[46]; /* upper-most 2 bits unused */ - u16 hash_result = 0; - int i, j, k, h; - - /* - * Initialize the fill member to prevent warnings - * on some compilers - */ - tmp_key.fill[0] = 0; - - /* First load the temporary key stream */ - for (i = 0; i < 6; i++) { - u64 fillkey = ((u64)key << 32) | key; - tmp_key.fill[i] = fillkey; - } - - /* - * Set the interim key for the hashing. Bit 352 is unused, so we must - * shift and compensate when building the key. - */ - - int_key[0] = tmp_key.key_stream[0] >> 1; - for (i = 1, j = 0; i < 44; i++) { - unsigned int this_key = tmp_key.key_stream[j] << 7; - j++; - int_key[i] = (u8)(this_key | (tmp_key.key_stream[j] >> 1)); - } - - /* - * Set the interim bit string for the hashing. Bits 368 and 367 are - * unused, so shift and compensate when building the string. - */ - hash_str[0] = (stream[40] & 0x7f) >> 1; - for (i = 1, j = 40; i < 46; i++) { - unsigned int this_str = stream[j] << 7; - j++; - if (j > 41) - j = 0; - hash_str[i] = (u8)(this_str | (stream[j] >> 1)); - } - - /* - * Now compute the hash. i is the index into hash_str, j is into our - * key stream, k is counting the number of bits, and h interates within - * each byte. - */ - for (i = 45, j = 43, k = 0; k < 351 && i >= 2 && j >= 0; i--, j--) { - for (h = 0; h < 8 && k < 351; h++, k++) { - if (int_key[j] & (1 << h)) { - /* - * Key bit is set, XOR in the current 16-bit - * string. Example of processing: - * h = 0, - * tmp = (hash_str[i - 2] & 0 << 16) | - * (hash_str[i - 1] & 0xff << 8) | - * (hash_str[i] & 0xff >> 0) - * So tmp = hash_str[15 + k:k], since the - * i + 2 clause rolls off the 16-bit value - * h = 7, - * tmp = (hash_str[i - 2] & 0x7f << 9) | - * (hash_str[i - 1] & 0xff << 1) | - * (hash_str[i] & 0x80 >> 7) - */ - int tmp = (hash_str[i] >> h); - tmp |= (hash_str[i - 1] << (8 - h)); - tmp |= (int)(hash_str[i - 2] & ((1 << h) - 1)) - << (16 - h); - hash_result ^= (u16)tmp; - } - } - } - - return hash_result; -} - -/** - * ixgbe_atr_set_vlan_id_82599 - Sets the VLAN id in the ATR input stream - * @input: input stream to modify - * @vlan: the VLAN id to load - **/ -s32 ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input *input, u16 vlan) -{ - input->byte_stream[IXGBE_ATR_VLAN_OFFSET + 1] = vlan >> 8; - input->byte_stream[IXGBE_ATR_VLAN_OFFSET] = vlan & 0xff; - - return 0; -} - -/** - * ixgbe_atr_set_src_ipv4_82599 - Sets the source IPv4 address - * @input: input stream to modify - * @src_addr: the IP address to load - **/ -s32 ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input *input, u32 src_addr) -{ - input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 3] = src_addr >> 24; - input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 2] = - (src_addr >> 16) & 0xff; - input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 1] = - (src_addr >> 8) & 0xff; - input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET] = src_addr & 0xff; - - return 0; -} - -/** - * ixgbe_atr_set_dst_ipv4_82599 - Sets the destination IPv4 address - * @input: input stream to modify - * @dst_addr: the IP address to load - **/ -s32 ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input *input, u32 dst_addr) -{ - input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 3] = dst_addr >> 24; - input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 2] = - (dst_addr >> 16) & 0xff; - input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 1] = - (dst_addr >> 8) & 0xff; - input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET] = dst_addr & 0xff; - - return 0; -} - -/** - * ixgbe_atr_set_src_port_82599 - Sets the source port - * @input: input stream to modify - * @src_port: the source port to load - **/ -s32 ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input *input, u16 src_port) -{ - input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET + 1] = src_port >> 8; - input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET] = src_port & 0xff; - - return 0; -} - -/** - * ixgbe_atr_set_dst_port_82599 - Sets the destination port - * @input: input stream to modify - * @dst_port: the destination port to load - **/ -s32 ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input *input, u16 dst_port) -{ - input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET + 1] = dst_port >> 8; - input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET] = dst_port & 0xff; - - return 0; -} - -/** - * ixgbe_atr_set_flex_byte_82599 - Sets the flexible bytes - * @input: input stream to modify - * @flex_bytes: the flexible bytes to load - **/ -s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input, u16 flex_byte) -{ - input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET + 1] = flex_byte >> 8; - input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET] = flex_byte & 0xff; - - return 0; -} - -/** - * ixgbe_atr_set_l4type_82599 - Sets the layer 4 packet type - * @input: input stream to modify - * @l4type: the layer 4 type value to load - **/ -s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input, u8 l4type) -{ - input->byte_stream[IXGBE_ATR_L4TYPE_OFFSET] = l4type; - - return 0; -} - -/** - * ixgbe_atr_get_vlan_id_82599 - Gets the VLAN id from the ATR input stream - * @input: input stream to search - * @vlan: the VLAN id to load - **/ -static s32 ixgbe_atr_get_vlan_id_82599(struct ixgbe_atr_input *input, u16 *vlan) -{ - *vlan = input->byte_stream[IXGBE_ATR_VLAN_OFFSET]; - *vlan |= input->byte_stream[IXGBE_ATR_VLAN_OFFSET + 1] << 8; - - return 0; -} - -/** - * ixgbe_atr_get_src_ipv4_82599 - Gets the source IPv4 address - * @input: input stream to search - * @src_addr: the IP address to load - **/ -static s32 ixgbe_atr_get_src_ipv4_82599(struct ixgbe_atr_input *input, - u32 *src_addr) -{ - *src_addr = input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET]; - *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 1] << 8; - *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 2] << 16; - *src_addr |= input->byte_stream[IXGBE_ATR_SRC_IPV4_OFFSET + 3] << 24; - - return 0; -} - -/** - * ixgbe_atr_get_dst_ipv4_82599 - Gets the destination IPv4 address - * @input: input stream to search - * @dst_addr: the IP address to load - **/ -static s32 ixgbe_atr_get_dst_ipv4_82599(struct ixgbe_atr_input *input, - u32 *dst_addr) -{ - *dst_addr = input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET]; - *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 1] << 8; - *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 2] << 16; - *dst_addr |= input->byte_stream[IXGBE_ATR_DST_IPV4_OFFSET + 3] << 24; - - return 0; -} - -/** - * ixgbe_atr_get_src_ipv6_82599 - Gets the source IPv6 address - * @input: input stream to search - * @src_addr_1: the first 4 bytes of the IP address to load - * @src_addr_2: the second 4 bytes of the IP address to load - * @src_addr_3: the third 4 bytes of the IP address to load - * @src_addr_4: the fourth 4 bytes of the IP address to load - **/ -static s32 ixgbe_atr_get_src_ipv6_82599(struct ixgbe_atr_input *input, - u32 *src_addr_1, u32 *src_addr_2, - u32 *src_addr_3, u32 *src_addr_4) -{ - *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 12]; - *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 13] << 8; - *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 14] << 16; - *src_addr_1 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 15] << 24; - - *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 8]; - *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 9] << 8; - *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 10] << 16; - *src_addr_2 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 11] << 24; - - *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 4]; - *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 5] << 8; - *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 6] << 16; - *src_addr_3 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 7] << 24; - - *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET]; - *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 1] << 8; - *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 2] << 16; - *src_addr_4 = input->byte_stream[IXGBE_ATR_SRC_IPV6_OFFSET + 3] << 24; - - return 0; -} - -/** - * ixgbe_atr_get_src_port_82599 - Gets the source port - * @input: input stream to modify - * @src_port: the source port to load - * - * Even though the input is given in big-endian, the FDIRPORT registers - * expect the ports to be programmed in little-endian. Hence the need to swap - * endianness when retrieving the data. This can be confusing since the - * internal hash engine expects it to be big-endian. - **/ -static s32 ixgbe_atr_get_src_port_82599(struct ixgbe_atr_input *input, - u16 *src_port) -{ - *src_port = input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET] << 8; - *src_port |= input->byte_stream[IXGBE_ATR_SRC_PORT_OFFSET + 1]; - - return 0; -} - -/** - * ixgbe_atr_get_dst_port_82599 - Gets the destination port - * @input: input stream to modify - * @dst_port: the destination port to load - * - * Even though the input is given in big-endian, the FDIRPORT registers - * expect the ports to be programmed in little-endian. Hence the need to swap - * endianness when retrieving the data. This can be confusing since the - * internal hash engine expects it to be big-endian. - **/ -static s32 ixgbe_atr_get_dst_port_82599(struct ixgbe_atr_input *input, - u16 *dst_port) -{ - *dst_port = input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET] << 8; - *dst_port |= input->byte_stream[IXGBE_ATR_DST_PORT_OFFSET + 1]; - - return 0; -} - -/** - * ixgbe_atr_get_flex_byte_82599 - Gets the flexible bytes - * @input: input stream to modify - * @flex_bytes: the flexible bytes to load - **/ -static s32 ixgbe_atr_get_flex_byte_82599(struct ixgbe_atr_input *input, - u16 *flex_byte) -{ - *flex_byte = input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET]; - *flex_byte |= input->byte_stream[IXGBE_ATR_FLEX_BYTE_OFFSET + 1] << 8; - - return 0; -} - -/** - * ixgbe_atr_get_l4type_82599 - Gets the layer 4 packet type - * @input: input stream to modify - * @l4type: the layer 4 type value to load - **/ -static s32 ixgbe_atr_get_l4type_82599(struct ixgbe_atr_input *input, - u8 *l4type) -{ - *l4type = input->byte_stream[IXGBE_ATR_L4TYPE_OFFSET]; - - return 0; -} - -/** - * ixgbe_atr_add_signature_filter_82599 - Adds a signature hash filter - * @hw: pointer to hardware structure - * @stream: input bitstream - * @queue: queue index to direct traffic to - **/ -s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw, - struct ixgbe_atr_input *input, - u8 queue) -{ - u64 fdirhashcmd; - u64 fdircmd; - u32 fdirhash; - u16 bucket_hash, sig_hash; - u8 l4type; - - bucket_hash = ixgbe_atr_compute_hash_82599(input, - IXGBE_ATR_BUCKET_HASH_KEY); - - /* bucket_hash is only 15 bits */ - bucket_hash &= IXGBE_ATR_HASH_MASK; - - sig_hash = ixgbe_atr_compute_hash_82599(input, - IXGBE_ATR_SIGNATURE_HASH_KEY); - - /* Get the l4type in order to program FDIRCMD properly */ - /* lowest 2 bits are FDIRCMD.L4TYPE, third lowest bit is FDIRCMD.IPV6 */ - ixgbe_atr_get_l4type_82599(input, &l4type); - - /* - * The lower 32-bits of fdirhashcmd is for FDIRHASH, the upper 32-bits - * is for FDIRCMD. Then do a 64-bit register write from FDIRHASH. - */ - fdirhash = sig_hash << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT | bucket_hash; - - fdircmd = (IXGBE_FDIRCMD_CMD_ADD_FLOW | IXGBE_FDIRCMD_FILTER_UPDATE | - IXGBE_FDIRCMD_LAST | IXGBE_FDIRCMD_QUEUE_EN); - - switch (l4type & IXGBE_ATR_L4TYPE_MASK) { - case IXGBE_ATR_L4TYPE_TCP: - fdircmd |= IXGBE_FDIRCMD_L4TYPE_TCP; - break; - case IXGBE_ATR_L4TYPE_UDP: - fdircmd |= IXGBE_FDIRCMD_L4TYPE_UDP; - break; - case IXGBE_ATR_L4TYPE_SCTP: - fdircmd |= IXGBE_FDIRCMD_L4TYPE_SCTP; - break; - default: - hw_dbg(hw, "Error on l4type input\n"); - return IXGBE_ERR_CONFIG; - } - - if (l4type & IXGBE_ATR_L4TYPE_IPV6_MASK) - fdircmd |= IXGBE_FDIRCMD_IPV6; - - fdircmd |= ((u64)queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT); - fdirhashcmd = ((fdircmd << 32) | fdirhash); - - IXGBE_WRITE_REG64(hw, IXGBE_FDIRHASH, fdirhashcmd); - - return 0; -} - -/** - * ixgbe_fdir_add_perfect_filter_82599 - Adds a perfect filter - * @hw: pointer to hardware structure - * @input: input bitstream - * @input_masks: bitwise masks for relevant fields - * @soft_id: software index into the silicon hash tables for filter storage - * @queue: queue index to direct traffic to - * - * Note that the caller to this function must lock before calling, since the - * hardware writes must be protected from one another. - **/ -s32 ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw *hw, - struct ixgbe_atr_input *input, - struct ixgbe_atr_input_masks *input_masks, - u16 soft_id, u8 queue) -{ - u32 fdircmd = 0; - u32 fdirhash; - u32 src_ipv4 = 0, dst_ipv4 = 0; - u32 src_ipv6_1, src_ipv6_2, src_ipv6_3, src_ipv6_4; - u16 src_port, dst_port, vlan_id, flex_bytes; - u16 bucket_hash; - u8 l4type; - u8 fdirm = 0; - - /* Get our input values */ - ixgbe_atr_get_l4type_82599(input, &l4type); - - /* - * Check l4type formatting, and bail out before we touch the hardware - * if there's a configuration issue - */ - switch (l4type & IXGBE_ATR_L4TYPE_MASK) { - case IXGBE_ATR_L4TYPE_TCP: - fdircmd |= IXGBE_FDIRCMD_L4TYPE_TCP; - break; - case IXGBE_ATR_L4TYPE_UDP: - fdircmd |= IXGBE_FDIRCMD_L4TYPE_UDP; - break; - case IXGBE_ATR_L4TYPE_SCTP: - fdircmd |= IXGBE_FDIRCMD_L4TYPE_SCTP; - break; - default: - hw_dbg(hw, "Error on l4type input\n"); - return IXGBE_ERR_CONFIG; - } - - bucket_hash = ixgbe_atr_compute_hash_82599(input, - IXGBE_ATR_BUCKET_HASH_KEY); - - /* bucket_hash is only 15 bits */ - bucket_hash &= IXGBE_ATR_HASH_MASK; - - ixgbe_atr_get_vlan_id_82599(input, &vlan_id); - ixgbe_atr_get_src_port_82599(input, &src_port); - ixgbe_atr_get_dst_port_82599(input, &dst_port); - ixgbe_atr_get_flex_byte_82599(input, &flex_bytes); - - fdirhash = soft_id << IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT | bucket_hash; - - /* Now figure out if we're IPv4 or IPv6 */ - if (l4type & IXGBE_ATR_L4TYPE_IPV6_MASK) { - /* IPv6 */ - ixgbe_atr_get_src_ipv6_82599(input, &src_ipv6_1, &src_ipv6_2, - &src_ipv6_3, &src_ipv6_4); - - IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(0), src_ipv6_1); - IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(1), src_ipv6_2); - IXGBE_WRITE_REG(hw, IXGBE_FDIRSIPv6(2), src_ipv6_3); - /* The last 4 bytes is the same register as IPv4 */ - IXGBE_WRITE_REG(hw, IXGBE_FDIRIPSA, src_ipv6_4); - - fdircmd |= IXGBE_FDIRCMD_IPV6; - fdircmd |= IXGBE_FDIRCMD_IPv6DMATCH; - } else { - /* IPv4 */ - ixgbe_atr_get_src_ipv4_82599(input, &src_ipv4); - IXGBE_WRITE_REG(hw, IXGBE_FDIRIPSA, src_ipv4); - } - - ixgbe_atr_get_dst_ipv4_82599(input, &dst_ipv4); - IXGBE_WRITE_REG(hw, IXGBE_FDIRIPDA, dst_ipv4); - - IXGBE_WRITE_REG(hw, IXGBE_FDIRVLAN, (vlan_id | - (flex_bytes << IXGBE_FDIRVLAN_FLEX_SHIFT))); - IXGBE_WRITE_REG(hw, IXGBE_FDIRPORT, (src_port | - (dst_port << IXGBE_FDIRPORT_DESTINATION_SHIFT))); - - /* - * Program the relevant mask registers. L4type cannot be - * masked out in this implementation. - * - * This also assumes IPv4 only. IPv6 masking isn't supported at this - * point in time. - */ - IXGBE_WRITE_REG(hw, IXGBE_FDIRSIP4M, input_masks->src_ip_mask); - IXGBE_WRITE_REG(hw, IXGBE_FDIRDIP4M, input_masks->dst_ip_mask); - - switch (l4type & IXGBE_ATR_L4TYPE_MASK) { - case IXGBE_ATR_L4TYPE_TCP: - IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, input_masks->src_port_mask); - IXGBE_WRITE_REG(hw, IXGBE_FDIRTCPM, - (IXGBE_READ_REG(hw, IXGBE_FDIRTCPM) | - (input_masks->dst_port_mask << 16))); - break; - case IXGBE_ATR_L4TYPE_UDP: - IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, input_masks->src_port_mask); - IXGBE_WRITE_REG(hw, IXGBE_FDIRUDPM, - (IXGBE_READ_REG(hw, IXGBE_FDIRUDPM) | - (input_masks->src_port_mask << 16))); - break; - default: - /* this already would have failed above */ - break; - } - - /* Program the last mask register, FDIRM */ - if (input_masks->vlan_id_mask) - /* Mask both VLAN and VLANP - bits 0 and 1 */ - fdirm |= 0x3; - - if (input_masks->data_mask) - /* Flex bytes need masking, so mask the whole thing - bit 4 */ - fdirm |= 0x10; - - /* Now mask VM pool and destination IPv6 - bits 5 and 2 */ - fdirm |= 0x24; - - IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm); - - fdircmd |= IXGBE_FDIRCMD_CMD_ADD_FLOW; - fdircmd |= IXGBE_FDIRCMD_FILTER_UPDATE; - fdircmd |= IXGBE_FDIRCMD_LAST; - fdircmd |= IXGBE_FDIRCMD_QUEUE_EN; - fdircmd |= queue << IXGBE_FDIRCMD_RX_QUEUE_SHIFT; - - IXGBE_WRITE_REG(hw, IXGBE_FDIRHASH, fdirhash); - IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd); - - return 0; -} -/** - * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register - * @hw: pointer to hardware structure - * @reg: analog register to read - * @val: read value - * - * Performs read operation to Omer analog register specified. - **/ -static s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val) -{ - u32 core_ctl; - - IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD | - (reg << 8)); - IXGBE_WRITE_FLUSH(hw); - udelay(10); - core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL); - *val = (u8)core_ctl; - - return 0; -} - -/** - * ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register - * @hw: pointer to hardware structure - * @reg: atlas register to write - * @val: value to write - * - * Performs write operation to Omer analog register specified. - **/ -static s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val) -{ - u32 core_ctl; - - core_ctl = (reg << 8) | val; - IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl); - IXGBE_WRITE_FLUSH(hw); - udelay(10); - - return 0; -} - -/** - * ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx - * @hw: pointer to hardware structure - * - * Starts the hardware using the generic start_hw function. - * Then performs device-specific: - * Clears the rate limiter registers. - **/ -static s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw) -{ - u32 q_num; - s32 ret_val; - - ret_val = ixgbe_start_hw_generic(hw); - - /* Clear the rate limiters */ - for (q_num = 0; q_num < hw->mac.max_tx_queues; q_num++) { - IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, q_num); - IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0); - } - IXGBE_WRITE_FLUSH(hw); - - /* We need to run link autotry after the driver loads */ - hw->mac.autotry_restart = true; - - if (ret_val == 0) - ret_val = ixgbe_verify_fw_version_82599(hw); - - return ret_val; -} - -/** - * ixgbe_identify_phy_82599 - Get physical layer module - * @hw: pointer to hardware structure - * - * Determines the physical layer module found on the current adapter. - **/ -static s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw) -{ - s32 status = IXGBE_ERR_PHY_ADDR_INVALID; - status = ixgbe_identify_phy_generic(hw); - if (status != 0) - status = ixgbe_identify_sfp_module_generic(hw); - return status; -} - -/** - * ixgbe_get_supported_physical_layer_82599 - Returns physical layer type - * @hw: pointer to hardware structure - * - * Determines physical layer capabilities of the current configuration. - **/ -static u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw) -{ - u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; - u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); - u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK; - u32 pma_pmd_10g_parallel = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK; - u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK; - u16 ext_ability = 0; - u8 comp_codes_10g = 0; - u8 comp_codes_1g = 0; - - hw->phy.ops.identify(hw); - - if (hw->phy.type == ixgbe_phy_tn || - hw->phy.type == ixgbe_phy_aq || - hw->phy.type == ixgbe_phy_cu_unknown) { - hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD, - &ext_ability); - if (ext_ability & MDIO_PMA_EXTABLE_10GBT) - physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; - if (ext_ability & MDIO_PMA_EXTABLE_1000BT) - physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T; - if (ext_ability & MDIO_PMA_EXTABLE_100BTX) - physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; - goto out; - } - - switch (autoc & IXGBE_AUTOC_LMS_MASK) { - case IXGBE_AUTOC_LMS_1G_AN: - case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: - if (pma_pmd_1g == IXGBE_AUTOC_1G_KX_BX) { - physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX | - IXGBE_PHYSICAL_LAYER_1000BASE_BX; - goto out; - } else - /* SFI mode so read SFP module */ - goto sfp_check; - break; - case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: - if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_CX4) - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4; - else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_KX4) - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4; - else if (pma_pmd_10g_parallel == IXGBE_AUTOC_10G_XAUI) - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_XAUI; - goto out; - break; - case IXGBE_AUTOC_LMS_10G_SERIAL: - if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_KR) { - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR; - goto out; - } else if (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) - goto sfp_check; - break; - case IXGBE_AUTOC_LMS_KX4_KX_KR: - case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN: - if (autoc & IXGBE_AUTOC_KX_SUPP) - physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX; - if (autoc & IXGBE_AUTOC_KX4_SUPP) - physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4; - if (autoc & IXGBE_AUTOC_KR_SUPP) - physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KR; - goto out; - break; - default: - goto out; - break; - } - -sfp_check: - /* SFP check must be done last since DA modules are sometimes used to - * test KR mode - we need to id KR mode correctly before SFP module. - * Call identify_sfp because the pluggable module may have changed */ - hw->phy.ops.identify_sfp(hw); - if (hw->phy.sfp_type == ixgbe_sfp_type_not_present) - goto out; - - switch (hw->phy.type) { - case ixgbe_phy_sfp_passive_tyco: - case ixgbe_phy_sfp_passive_unknown: - physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; - break; - case ixgbe_phy_sfp_ftl_active: - case ixgbe_phy_sfp_active_unknown: - physical_layer = IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA; - break; - case ixgbe_phy_sfp_avago: - case ixgbe_phy_sfp_ftl: - case ixgbe_phy_sfp_intel: - case ixgbe_phy_sfp_unknown: - hw->phy.ops.read_i2c_eeprom(hw, - IXGBE_SFF_1GBE_COMP_CODES, &comp_codes_1g); - hw->phy.ops.read_i2c_eeprom(hw, - IXGBE_SFF_10GBE_COMP_CODES, &comp_codes_10g); - if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE) - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; - else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE) - physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; - else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE) - physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_T; - break; - default: - break; - } - -out: - return physical_layer; -} - -/** - * ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599 - * @hw: pointer to hardware structure - * @regval: register value to write to RXCTRL - * - * Enables the Rx DMA unit for 82599 - **/ -static s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval) -{ -#define IXGBE_MAX_SECRX_POLL 30 - int i; - int secrxreg; - - /* - * Workaround for 82599 silicon errata when enabling the Rx datapath. - * If traffic is incoming before we enable the Rx unit, it could hang - * the Rx DMA unit. Therefore, make sure the security engine is - * completely disabled prior to enabling the Rx unit. - */ - secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL); - secrxreg |= IXGBE_SECRXCTRL_RX_DIS; - IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg); - for (i = 0; i < IXGBE_MAX_SECRX_POLL; i++) { - secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT); - if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY) - break; - else - udelay(10); - } - - /* For informational purposes only */ - if (i >= IXGBE_MAX_SECRX_POLL) - hw_dbg(hw, "Rx unit being enabled before security " - "path fully disabled. Continuing with init.\n"); - - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval); - secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL); - secrxreg &= ~IXGBE_SECRXCTRL_RX_DIS; - IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg); - IXGBE_WRITE_FLUSH(hw); - - return 0; -} - -/** - * ixgbe_get_device_caps_82599 - Get additional device capabilities - * @hw: pointer to hardware structure - * @device_caps: the EEPROM word with the extra device capabilities - * - * This function will read the EEPROM location for the device capabilities, - * and return the word through device_caps. - **/ -static s32 ixgbe_get_device_caps_82599(struct ixgbe_hw *hw, u16 *device_caps) -{ - hw->eeprom.ops.read(hw, IXGBE_DEVICE_CAPS, device_caps); - - return 0; -} - -/** - * ixgbe_verify_fw_version_82599 - verify fw version for 82599 - * @hw: pointer to hardware structure - * - * Verifies that installed the firmware version is 0.6 or higher - * for SFI devices. All 82599 SFI devices should have version 0.6 or higher. - * - * Returns IXGBE_ERR_EEPROM_VERSION if the FW is not present or - * if the FW version is not supported. - **/ -static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw) -{ - s32 status = IXGBE_ERR_EEPROM_VERSION; - u16 fw_offset, fw_ptp_cfg_offset; - u16 fw_version = 0; - - /* firmware check is only necessary for SFI devices */ - if (hw->phy.media_type != ixgbe_media_type_fiber) { - status = 0; - goto fw_version_out; - } - - /* get the offset to the Firmware Module block */ - hw->eeprom.ops.read(hw, IXGBE_FW_PTR, &fw_offset); - - if ((fw_offset == 0) || (fw_offset == 0xFFFF)) - goto fw_version_out; - - /* get the offset to the Pass Through Patch Configuration block */ - hw->eeprom.ops.read(hw, (fw_offset + - IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR), - &fw_ptp_cfg_offset); - - if ((fw_ptp_cfg_offset == 0) || (fw_ptp_cfg_offset == 0xFFFF)) - goto fw_version_out; - - /* get the firmware version */ - hw->eeprom.ops.read(hw, (fw_ptp_cfg_offset + - IXGBE_FW_PATCH_VERSION_4), - &fw_version); - - if (fw_version > 0x5) - status = 0; - -fw_version_out: - return status; -} - -static struct ixgbe_mac_operations mac_ops_82599 = { - .init_hw = &ixgbe_init_hw_generic, - .reset_hw = &ixgbe_reset_hw_82599, - .start_hw = &ixgbe_start_hw_82599, - .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, - .get_media_type = &ixgbe_get_media_type_82599, - .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599, - .enable_rx_dma = &ixgbe_enable_rx_dma_82599, - .get_mac_addr = &ixgbe_get_mac_addr_generic, - .get_san_mac_addr = &ixgbe_get_san_mac_addr_generic, - .get_device_caps = &ixgbe_get_device_caps_82599, - .get_wwn_prefix = &ixgbe_get_wwn_prefix_generic, - .stop_adapter = &ixgbe_stop_adapter_generic, - .get_bus_info = &ixgbe_get_bus_info_generic, - .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, - .read_analog_reg8 = &ixgbe_read_analog_reg8_82599, - .write_analog_reg8 = &ixgbe_write_analog_reg8_82599, - .setup_link = &ixgbe_setup_mac_link_82599, - .check_link = &ixgbe_check_mac_link_generic, - .get_link_capabilities = &ixgbe_get_link_capabilities_82599, - .led_on = &ixgbe_led_on_generic, - .led_off = &ixgbe_led_off_generic, - .blink_led_start = &ixgbe_blink_led_start_generic, - .blink_led_stop = &ixgbe_blink_led_stop_generic, - .set_rar = &ixgbe_set_rar_generic, - .clear_rar = &ixgbe_clear_rar_generic, - .set_vmdq = &ixgbe_set_vmdq_generic, - .clear_vmdq = &ixgbe_clear_vmdq_generic, - .init_rx_addrs = &ixgbe_init_rx_addrs_generic, - .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, - .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, - .enable_mc = &ixgbe_enable_mc_generic, - .disable_mc = &ixgbe_disable_mc_generic, - .clear_vfta = &ixgbe_clear_vfta_generic, - .set_vfta = &ixgbe_set_vfta_generic, - .fc_enable = &ixgbe_fc_enable_generic, - .init_uta_tables = &ixgbe_init_uta_tables_generic, - .setup_sfp = &ixgbe_setup_sfp_modules_82599, -}; - -static struct ixgbe_eeprom_operations eeprom_ops_82599 = { - .init_params = &ixgbe_init_eeprom_params_generic, - .read = &ixgbe_read_eerd_generic, - .write = &ixgbe_write_eeprom_generic, - .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, - .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, - .update_checksum = &ixgbe_update_eeprom_checksum_generic, -}; - -static struct ixgbe_phy_operations phy_ops_82599 = { - .identify = &ixgbe_identify_phy_82599, - .identify_sfp = &ixgbe_identify_sfp_module_generic, - .init = &ixgbe_init_phy_ops_82599, - .reset = &ixgbe_reset_phy_generic, - .read_reg = &ixgbe_read_phy_reg_generic, - .write_reg = &ixgbe_write_phy_reg_generic, - .setup_link = &ixgbe_setup_phy_link_generic, - .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, - .read_i2c_byte = &ixgbe_read_i2c_byte_generic, - .write_i2c_byte = &ixgbe_write_i2c_byte_generic, - .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, - .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, - .check_overtemp = &ixgbe_tn_check_overtemp, -}; - -struct ixgbe_info ixgbe_82599_info = { - .mac = ixgbe_mac_82599EB, - .get_invariants = &ixgbe_get_invariants_82599, - .mac_ops = &mac_ops_82599, - .eeprom_ops = &eeprom_ops_82599, - .phy_ops = &phy_ops_82599, - .mbx_ops = &mbx_ops_generic, -}; diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c deleted file mode 100644 index cc11e422ce9..00000000000 --- a/drivers/net/ixgbe/ixgbe_common.c +++ /dev/null @@ -1,2811 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/sched.h> -#include <linux/netdevice.h> - -#include "ixgbe.h" -#include "ixgbe_common.h" -#include "ixgbe_phy.h" - -static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw); -static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw); -static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw); -static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw); -static void ixgbe_standby_eeprom(struct ixgbe_hw *hw); -static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data, - u16 count); -static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count); -static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec); -static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec); -static void ixgbe_release_eeprom(struct ixgbe_hw *hw); - -static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index); -static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index); -static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr); -static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq); -static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num); - -/** - * ixgbe_start_hw_generic - Prepare hardware for Tx/Rx - * @hw: pointer to hardware structure - * - * Starts the hardware by filling the bus info structure and media type, clears - * all on chip counters, initializes receive address registers, multicast - * table, VLAN filter table, calls routine to set up link and flow control - * settings, and leaves transmit and receive units disabled and uninitialized - **/ -s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw) -{ - u32 ctrl_ext; - - /* Set the media type */ - hw->phy.media_type = hw->mac.ops.get_media_type(hw); - - /* Identify the PHY */ - hw->phy.ops.identify(hw); - - /* Clear the VLAN filter table */ - hw->mac.ops.clear_vfta(hw); - - /* Clear statistics registers */ - hw->mac.ops.clear_hw_cntrs(hw); - - /* Set No Snoop Disable */ - ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); - ctrl_ext |= IXGBE_CTRL_EXT_NS_DIS; - IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); - IXGBE_WRITE_FLUSH(hw); - - /* Setup flow control */ - ixgbe_setup_fc(hw, 0); - - /* Clear adapter stopped flag */ - hw->adapter_stopped = false; - - return 0; -} - -/** - * ixgbe_init_hw_generic - Generic hardware initialization - * @hw: pointer to hardware structure - * - * Initialize the hardware by resetting the hardware, filling the bus info - * structure and media type, clears all on chip counters, initializes receive - * address registers, multicast table, VLAN filter table, calls routine to set - * up link and flow control settings, and leaves transmit and receive units - * disabled and uninitialized - **/ -s32 ixgbe_init_hw_generic(struct ixgbe_hw *hw) -{ - s32 status; - - /* Reset the hardware */ - status = hw->mac.ops.reset_hw(hw); - - if (status == 0) { - /* Start the HW */ - status = hw->mac.ops.start_hw(hw); - } - - return status; -} - -/** - * ixgbe_clear_hw_cntrs_generic - Generic clear hardware counters - * @hw: pointer to hardware structure - * - * Clears all hardware statistics counters by reading them from the hardware - * Statistics counters are clear on read. - **/ -s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw) -{ - u16 i = 0; - - IXGBE_READ_REG(hw, IXGBE_CRCERRS); - IXGBE_READ_REG(hw, IXGBE_ILLERRC); - IXGBE_READ_REG(hw, IXGBE_ERRBC); - IXGBE_READ_REG(hw, IXGBE_MSPDC); - for (i = 0; i < 8; i++) - IXGBE_READ_REG(hw, IXGBE_MPC(i)); - - IXGBE_READ_REG(hw, IXGBE_MLFC); - IXGBE_READ_REG(hw, IXGBE_MRFC); - IXGBE_READ_REG(hw, IXGBE_RLEC); - IXGBE_READ_REG(hw, IXGBE_LXONTXC); - IXGBE_READ_REG(hw, IXGBE_LXONRXC); - IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); - IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); - - for (i = 0; i < 8; i++) { - IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); - IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); - IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); - IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); - } - - IXGBE_READ_REG(hw, IXGBE_PRC64); - IXGBE_READ_REG(hw, IXGBE_PRC127); - IXGBE_READ_REG(hw, IXGBE_PRC255); - IXGBE_READ_REG(hw, IXGBE_PRC511); - IXGBE_READ_REG(hw, IXGBE_PRC1023); - IXGBE_READ_REG(hw, IXGBE_PRC1522); - IXGBE_READ_REG(hw, IXGBE_GPRC); - IXGBE_READ_REG(hw, IXGBE_BPRC); - IXGBE_READ_REG(hw, IXGBE_MPRC); - IXGBE_READ_REG(hw, IXGBE_GPTC); - IXGBE_READ_REG(hw, IXGBE_GORCL); - IXGBE_READ_REG(hw, IXGBE_GORCH); - IXGBE_READ_REG(hw, IXGBE_GOTCL); - IXGBE_READ_REG(hw, IXGBE_GOTCH); - for (i = 0; i < 8; i++) - IXGBE_READ_REG(hw, IXGBE_RNBC(i)); - IXGBE_READ_REG(hw, IXGBE_RUC); - IXGBE_READ_REG(hw, IXGBE_RFC); - IXGBE_READ_REG(hw, IXGBE_ROC); - IXGBE_READ_REG(hw, IXGBE_RJC); - IXGBE_READ_REG(hw, IXGBE_MNGPRC); - IXGBE_READ_REG(hw, IXGBE_MNGPDC); - IXGBE_READ_REG(hw, IXGBE_MNGPTC); - IXGBE_READ_REG(hw, IXGBE_TORL); - IXGBE_READ_REG(hw, IXGBE_TORH); - IXGBE_READ_REG(hw, IXGBE_TPR); - IXGBE_READ_REG(hw, IXGBE_TPT); - IXGBE_READ_REG(hw, IXGBE_PTC64); - IXGBE_READ_REG(hw, IXGBE_PTC127); - IXGBE_READ_REG(hw, IXGBE_PTC255); - IXGBE_READ_REG(hw, IXGBE_PTC511); - IXGBE_READ_REG(hw, IXGBE_PTC1023); - IXGBE_READ_REG(hw, IXGBE_PTC1522); - IXGBE_READ_REG(hw, IXGBE_MPTC); - IXGBE_READ_REG(hw, IXGBE_BPTC); - for (i = 0; i < 16; i++) { - IXGBE_READ_REG(hw, IXGBE_QPRC(i)); - IXGBE_READ_REG(hw, IXGBE_QBRC(i)); - IXGBE_READ_REG(hw, IXGBE_QPTC(i)); - IXGBE_READ_REG(hw, IXGBE_QBTC(i)); - } - - return 0; -} - -/** - * ixgbe_read_pba_string_generic - Reads part number string from EEPROM - * @hw: pointer to hardware structure - * @pba_num: stores the part number string from the EEPROM - * @pba_num_size: part number string buffer length - * - * Reads the part number string from the EEPROM. - **/ -s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num, - u32 pba_num_size) -{ - s32 ret_val; - u16 data; - u16 pba_ptr; - u16 offset; - u16 length; - - if (pba_num == NULL) { - hw_dbg(hw, "PBA string buffer was null\n"); - return IXGBE_ERR_INVALID_ARGUMENT; - } - - ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM0_PTR, &data); - if (ret_val) { - hw_dbg(hw, "NVM Read Error\n"); - return ret_val; - } - - ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM1_PTR, &pba_ptr); - if (ret_val) { - hw_dbg(hw, "NVM Read Error\n"); - return ret_val; - } - - /* - * if data is not ptr guard the PBA must be in legacy format which - * means pba_ptr is actually our second data word for the PBA number - * and we can decode it into an ascii string - */ - if (data != IXGBE_PBANUM_PTR_GUARD) { - hw_dbg(hw, "NVM PBA number is not stored as string\n"); - - /* we will need 11 characters to store the PBA */ - if (pba_num_size < 11) { - hw_dbg(hw, "PBA string buffer too small\n"); - return IXGBE_ERR_NO_SPACE; - } - - /* extract hex string from data and pba_ptr */ - pba_num[0] = (data >> 12) & 0xF; - pba_num[1] = (data >> 8) & 0xF; - pba_num[2] = (data >> 4) & 0xF; - pba_num[3] = data & 0xF; - pba_num[4] = (pba_ptr >> 12) & 0xF; - pba_num[5] = (pba_ptr >> 8) & 0xF; - pba_num[6] = '-'; - pba_num[7] = 0; - pba_num[8] = (pba_ptr >> 4) & 0xF; - pba_num[9] = pba_ptr & 0xF; - - /* put a null character on the end of our string */ - pba_num[10] = '\0'; - - /* switch all the data but the '-' to hex char */ - for (offset = 0; offset < 10; offset++) { - if (pba_num[offset] < 0xA) - pba_num[offset] += '0'; - else if (pba_num[offset] < 0x10) - pba_num[offset] += 'A' - 0xA; - } - - return 0; - } - - ret_val = hw->eeprom.ops.read(hw, pba_ptr, &length); - if (ret_val) { - hw_dbg(hw, "NVM Read Error\n"); - return ret_val; - } - - if (length == 0xFFFF || length == 0) { - hw_dbg(hw, "NVM PBA number section invalid length\n"); - return IXGBE_ERR_PBA_SECTION; - } - - /* check if pba_num buffer is big enough */ - if (pba_num_size < (((u32)length * 2) - 1)) { - hw_dbg(hw, "PBA string buffer too small\n"); - return IXGBE_ERR_NO_SPACE; - } - - /* trim pba length from start of string */ - pba_ptr++; - length--; - - for (offset = 0; offset < length; offset++) { - ret_val = hw->eeprom.ops.read(hw, pba_ptr + offset, &data); - if (ret_val) { - hw_dbg(hw, "NVM Read Error\n"); - return ret_val; - } - pba_num[offset * 2] = (u8)(data >> 8); - pba_num[(offset * 2) + 1] = (u8)(data & 0xFF); - } - pba_num[offset * 2] = '\0'; - - return 0; -} - -/** - * ixgbe_get_mac_addr_generic - Generic get MAC address - * @hw: pointer to hardware structure - * @mac_addr: Adapter MAC address - * - * Reads the adapter's MAC address from first Receive Address Register (RAR0) - * A reset of the adapter must be performed prior to calling this function - * in order for the MAC address to have been loaded from the EEPROM into RAR0 - **/ -s32 ixgbe_get_mac_addr_generic(struct ixgbe_hw *hw, u8 *mac_addr) -{ - u32 rar_high; - u32 rar_low; - u16 i; - - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(0)); - rar_low = IXGBE_READ_REG(hw, IXGBE_RAL(0)); - - for (i = 0; i < 4; i++) - mac_addr[i] = (u8)(rar_low >> (i*8)); - - for (i = 0; i < 2; i++) - mac_addr[i+4] = (u8)(rar_high >> (i*8)); - - return 0; -} - -/** - * ixgbe_get_bus_info_generic - Generic set PCI bus info - * @hw: pointer to hardware structure - * - * Sets the PCI bus info (speed, width, type) within the ixgbe_hw structure - **/ -s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw) -{ - struct ixgbe_adapter *adapter = hw->back; - struct ixgbe_mac_info *mac = &hw->mac; - u16 link_status; - - hw->bus.type = ixgbe_bus_type_pci_express; - - /* Get the negotiated link width and speed from PCI config space */ - pci_read_config_word(adapter->pdev, IXGBE_PCI_LINK_STATUS, - &link_status); - - switch (link_status & IXGBE_PCI_LINK_WIDTH) { - case IXGBE_PCI_LINK_WIDTH_1: - hw->bus.width = ixgbe_bus_width_pcie_x1; - break; - case IXGBE_PCI_LINK_WIDTH_2: - hw->bus.width = ixgbe_bus_width_pcie_x2; - break; - case IXGBE_PCI_LINK_WIDTH_4: - hw->bus.width = ixgbe_bus_width_pcie_x4; - break; - case IXGBE_PCI_LINK_WIDTH_8: - hw->bus.width = ixgbe_bus_width_pcie_x8; - break; - default: - hw->bus.width = ixgbe_bus_width_unknown; - break; - } - - switch (link_status & IXGBE_PCI_LINK_SPEED) { - case IXGBE_PCI_LINK_SPEED_2500: - hw->bus.speed = ixgbe_bus_speed_2500; - break; - case IXGBE_PCI_LINK_SPEED_5000: - hw->bus.speed = ixgbe_bus_speed_5000; - break; - default: - hw->bus.speed = ixgbe_bus_speed_unknown; - break; - } - - mac->ops.set_lan_id(hw); - - return 0; -} - -/** - * ixgbe_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices - * @hw: pointer to the HW structure - * - * Determines the LAN function id by reading memory-mapped registers - * and swaps the port value if requested. - **/ -void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw) -{ - struct ixgbe_bus_info *bus = &hw->bus; - u32 reg; - - reg = IXGBE_READ_REG(hw, IXGBE_STATUS); - bus->func = (reg & IXGBE_STATUS_LAN_ID) >> IXGBE_STATUS_LAN_ID_SHIFT; - bus->lan_id = bus->func; - - /* check for a port swap */ - reg = IXGBE_READ_REG(hw, IXGBE_FACTPS); - if (reg & IXGBE_FACTPS_LFS) - bus->func ^= 0x1; -} - -/** - * ixgbe_stop_adapter_generic - Generic stop Tx/Rx units - * @hw: pointer to hardware structure - * - * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts, - * disables transmit and receive units. The adapter_stopped flag is used by - * the shared code and drivers to determine if the adapter is in a stopped - * state and should not touch the hardware. - **/ -s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw) -{ - u32 number_of_queues; - u32 reg_val; - u16 i; - - /* - * Set the adapter_stopped flag so other driver functions stop touching - * the hardware - */ - hw->adapter_stopped = true; - - /* Disable the receive unit */ - reg_val = IXGBE_READ_REG(hw, IXGBE_RXCTRL); - reg_val &= ~(IXGBE_RXCTRL_RXEN); - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_val); - IXGBE_WRITE_FLUSH(hw); - msleep(2); - - /* Clear interrupt mask to stop from interrupts being generated */ - IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); - - /* Clear any pending interrupts */ - IXGBE_READ_REG(hw, IXGBE_EICR); - - /* Disable the transmit unit. Each queue must be disabled. */ - number_of_queues = hw->mac.max_tx_queues; - for (i = 0; i < number_of_queues; i++) { - reg_val = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i)); - if (reg_val & IXGBE_TXDCTL_ENABLE) { - reg_val &= ~IXGBE_TXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(i), reg_val); - } - } - - /* - * Prevent the PCI-E bus from from hanging by disabling PCI-E master - * access and verify no pending requests - */ - if (ixgbe_disable_pcie_master(hw) != 0) - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - - return 0; -} - -/** - * ixgbe_led_on_generic - Turns on the software controllable LEDs. - * @hw: pointer to hardware structure - * @index: led number to turn on - **/ -s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index) -{ - u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL); - - /* To turn on the LED, set mode to ON. */ - led_reg &= ~IXGBE_LED_MODE_MASK(index); - led_reg |= IXGBE_LED_ON << IXGBE_LED_MODE_SHIFT(index); - IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg); - IXGBE_WRITE_FLUSH(hw); - - return 0; -} - -/** - * ixgbe_led_off_generic - Turns off the software controllable LEDs. - * @hw: pointer to hardware structure - * @index: led number to turn off - **/ -s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index) -{ - u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL); - - /* To turn off the LED, set mode to OFF. */ - led_reg &= ~IXGBE_LED_MODE_MASK(index); - led_reg |= IXGBE_LED_OFF << IXGBE_LED_MODE_SHIFT(index); - IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg); - IXGBE_WRITE_FLUSH(hw); - - return 0; -} - -/** - * ixgbe_init_eeprom_params_generic - Initialize EEPROM params - * @hw: pointer to hardware structure - * - * Initializes the EEPROM parameters ixgbe_eeprom_info within the - * ixgbe_hw struct in order to set up EEPROM access. - **/ -s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw) -{ - struct ixgbe_eeprom_info *eeprom = &hw->eeprom; - u32 eec; - u16 eeprom_size; - - if (eeprom->type == ixgbe_eeprom_uninitialized) { - eeprom->type = ixgbe_eeprom_none; - /* Set default semaphore delay to 10ms which is a well - * tested value */ - eeprom->semaphore_delay = 10; - - /* - * Check for EEPROM present first. - * If not present leave as none - */ - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - if (eec & IXGBE_EEC_PRES) { - eeprom->type = ixgbe_eeprom_spi; - - /* - * SPI EEPROM is assumed here. This code would need to - * change if a future EEPROM is not SPI. - */ - eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >> - IXGBE_EEC_SIZE_SHIFT); - eeprom->word_size = 1 << (eeprom_size + - IXGBE_EEPROM_WORD_SIZE_SHIFT); - } - - if (eec & IXGBE_EEC_ADDR_SIZE) - eeprom->address_bits = 16; - else - eeprom->address_bits = 8; - hw_dbg(hw, "Eeprom params: type = %d, size = %d, address bits: " - "%d\n", eeprom->type, eeprom->word_size, - eeprom->address_bits); - } - - return 0; -} - -/** - * ixgbe_write_eeprom_generic - Writes 16 bit value to EEPROM - * @hw: pointer to hardware structure - * @offset: offset within the EEPROM to be written to - * @data: 16 bit word to be written to the EEPROM - * - * If ixgbe_eeprom_update_checksum is not called after this function, the - * EEPROM will most likely contain an invalid checksum. - **/ -s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data) -{ - s32 status; - u8 write_opcode = IXGBE_EEPROM_WRITE_OPCODE_SPI; - - hw->eeprom.ops.init_params(hw); - - if (offset >= hw->eeprom.word_size) { - status = IXGBE_ERR_EEPROM; - goto out; - } - - /* Prepare the EEPROM for writing */ - status = ixgbe_acquire_eeprom(hw); - - if (status == 0) { - if (ixgbe_ready_eeprom(hw) != 0) { - ixgbe_release_eeprom(hw); - status = IXGBE_ERR_EEPROM; - } - } - - if (status == 0) { - ixgbe_standby_eeprom(hw); - - /* Send the WRITE ENABLE command (8 bit opcode ) */ - ixgbe_shift_out_eeprom_bits(hw, IXGBE_EEPROM_WREN_OPCODE_SPI, - IXGBE_EEPROM_OPCODE_BITS); - - ixgbe_standby_eeprom(hw); - - /* - * Some SPI eeproms use the 8th address bit embedded in the - * opcode - */ - if ((hw->eeprom.address_bits == 8) && (offset >= 128)) - write_opcode |= IXGBE_EEPROM_A8_OPCODE_SPI; - - /* Send the Write command (8-bit opcode + addr) */ - ixgbe_shift_out_eeprom_bits(hw, write_opcode, - IXGBE_EEPROM_OPCODE_BITS); - ixgbe_shift_out_eeprom_bits(hw, (u16)(offset*2), - hw->eeprom.address_bits); - - /* Send the data */ - data = (data >> 8) | (data << 8); - ixgbe_shift_out_eeprom_bits(hw, data, 16); - ixgbe_standby_eeprom(hw); - - msleep(hw->eeprom.semaphore_delay); - /* Done with writing - release the EEPROM */ - ixgbe_release_eeprom(hw); - } - -out: - return status; -} - -/** - * ixgbe_read_eeprom_bit_bang_generic - Read EEPROM word using bit-bang - * @hw: pointer to hardware structure - * @offset: offset within the EEPROM to be read - * @data: read 16 bit value from EEPROM - * - * Reads 16 bit value from EEPROM through bit-bang method - **/ -s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset, - u16 *data) -{ - s32 status; - u16 word_in; - u8 read_opcode = IXGBE_EEPROM_READ_OPCODE_SPI; - - hw->eeprom.ops.init_params(hw); - - if (offset >= hw->eeprom.word_size) { - status = IXGBE_ERR_EEPROM; - goto out; - } - - /* Prepare the EEPROM for reading */ - status = ixgbe_acquire_eeprom(hw); - - if (status == 0) { - if (ixgbe_ready_eeprom(hw) != 0) { - ixgbe_release_eeprom(hw); - status = IXGBE_ERR_EEPROM; - } - } - - if (status == 0) { - ixgbe_standby_eeprom(hw); - - /* - * Some SPI eeproms use the 8th address bit embedded in the - * opcode - */ - if ((hw->eeprom.address_bits == 8) && (offset >= 128)) - read_opcode |= IXGBE_EEPROM_A8_OPCODE_SPI; - - /* Send the READ command (opcode + addr) */ - ixgbe_shift_out_eeprom_bits(hw, read_opcode, - IXGBE_EEPROM_OPCODE_BITS); - ixgbe_shift_out_eeprom_bits(hw, (u16)(offset*2), - hw->eeprom.address_bits); - - /* Read the data. */ - word_in = ixgbe_shift_in_eeprom_bits(hw, 16); - *data = (word_in >> 8) | (word_in << 8); - - /* End this read operation */ - ixgbe_release_eeprom(hw); - } - -out: - return status; -} - -/** - * ixgbe_read_eerd_generic - Read EEPROM word using EERD - * @hw: pointer to hardware structure - * @offset: offset of word in the EEPROM to read - * @data: word read from the EEPROM - * - * Reads a 16 bit word from the EEPROM using the EERD register. - **/ -s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data) -{ - u32 eerd; - s32 status; - - hw->eeprom.ops.init_params(hw); - - if (offset >= hw->eeprom.word_size) { - status = IXGBE_ERR_EEPROM; - goto out; - } - - eerd = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) + - IXGBE_EEPROM_RW_REG_START; - - IXGBE_WRITE_REG(hw, IXGBE_EERD, eerd); - status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_READ); - - if (status == 0) - *data = (IXGBE_READ_REG(hw, IXGBE_EERD) >> - IXGBE_EEPROM_RW_REG_DATA); - else - hw_dbg(hw, "Eeprom read timed out\n"); - -out: - return status; -} - -/** - * ixgbe_poll_eerd_eewr_done - Poll EERD read or EEWR write status - * @hw: pointer to hardware structure - * @ee_reg: EEPROM flag for polling - * - * Polls the status bit (bit 1) of the EERD or EEWR to determine when the - * read or write is done respectively. - **/ -s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg) -{ - u32 i; - u32 reg; - s32 status = IXGBE_ERR_EEPROM; - - for (i = 0; i < IXGBE_EERD_EEWR_ATTEMPTS; i++) { - if (ee_reg == IXGBE_NVM_POLL_READ) - reg = IXGBE_READ_REG(hw, IXGBE_EERD); - else - reg = IXGBE_READ_REG(hw, IXGBE_EEWR); - - if (reg & IXGBE_EEPROM_RW_REG_DONE) { - status = 0; - break; - } - udelay(5); - } - return status; -} - -/** - * ixgbe_acquire_eeprom - Acquire EEPROM using bit-bang - * @hw: pointer to hardware structure - * - * Prepares EEPROM for access using bit-bang method. This function should - * be called before issuing a command to the EEPROM. - **/ -static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw) -{ - s32 status = 0; - u32 eec = 0; - u32 i; - - if (ixgbe_acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) != 0) - status = IXGBE_ERR_SWFW_SYNC; - - if (status == 0) { - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - - /* Request EEPROM Access */ - eec |= IXGBE_EEC_REQ; - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - - for (i = 0; i < IXGBE_EEPROM_GRANT_ATTEMPTS; i++) { - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - if (eec & IXGBE_EEC_GNT) - break; - udelay(5); - } - - /* Release if grant not acquired */ - if (!(eec & IXGBE_EEC_GNT)) { - eec &= ~IXGBE_EEC_REQ; - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - hw_dbg(hw, "Could not acquire EEPROM grant\n"); - - ixgbe_release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); - status = IXGBE_ERR_EEPROM; - } - } - - /* Setup EEPROM for Read/Write */ - if (status == 0) { - /* Clear CS and SK */ - eec &= ~(IXGBE_EEC_CS | IXGBE_EEC_SK); - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - IXGBE_WRITE_FLUSH(hw); - udelay(1); - } - return status; -} - -/** - * ixgbe_get_eeprom_semaphore - Get hardware semaphore - * @hw: pointer to hardware structure - * - * Sets the hardware semaphores so EEPROM access can occur for bit-bang method - **/ -static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw) -{ - s32 status = IXGBE_ERR_EEPROM; - u32 timeout; - u32 i; - u32 swsm; - - /* Set timeout value based on size of EEPROM */ - timeout = hw->eeprom.word_size + 1; - - /* Get SMBI software semaphore between device drivers first */ - for (i = 0; i < timeout; i++) { - /* - * If the SMBI bit is 0 when we read it, then the bit will be - * set and we have the semaphore - */ - swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); - if (!(swsm & IXGBE_SWSM_SMBI)) { - status = 0; - break; - } - msleep(1); - } - - /* Now get the semaphore between SW/FW through the SWESMBI bit */ - if (status == 0) { - for (i = 0; i < timeout; i++) { - swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); - - /* Set the SW EEPROM semaphore bit to request access */ - swsm |= IXGBE_SWSM_SWESMBI; - IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm); - - /* - * If we set the bit successfully then we got the - * semaphore. - */ - swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); - if (swsm & IXGBE_SWSM_SWESMBI) - break; - - udelay(50); - } - - /* - * Release semaphores and return error if SW EEPROM semaphore - * was not granted because we don't have access to the EEPROM - */ - if (i >= timeout) { - hw_dbg(hw, "Driver can't access the Eeprom - Semaphore " - "not granted.\n"); - ixgbe_release_eeprom_semaphore(hw); - status = IXGBE_ERR_EEPROM; - } - } - - return status; -} - -/** - * ixgbe_release_eeprom_semaphore - Release hardware semaphore - * @hw: pointer to hardware structure - * - * This function clears hardware semaphore bits. - **/ -static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw) -{ - u32 swsm; - - swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); - - /* Release both semaphores by writing 0 to the bits SWESMBI and SMBI */ - swsm &= ~(IXGBE_SWSM_SWESMBI | IXGBE_SWSM_SMBI); - IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm); - IXGBE_WRITE_FLUSH(hw); -} - -/** - * ixgbe_ready_eeprom - Polls for EEPROM ready - * @hw: pointer to hardware structure - **/ -static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw) -{ - s32 status = 0; - u16 i; - u8 spi_stat_reg; - - /* - * Read "Status Register" repeatedly until the LSB is cleared. The - * EEPROM will signal that the command has been completed by clearing - * bit 0 of the internal status register. If it's not cleared within - * 5 milliseconds, then error out. - */ - for (i = 0; i < IXGBE_EEPROM_MAX_RETRY_SPI; i += 5) { - ixgbe_shift_out_eeprom_bits(hw, IXGBE_EEPROM_RDSR_OPCODE_SPI, - IXGBE_EEPROM_OPCODE_BITS); - spi_stat_reg = (u8)ixgbe_shift_in_eeprom_bits(hw, 8); - if (!(spi_stat_reg & IXGBE_EEPROM_STATUS_RDY_SPI)) - break; - - udelay(5); - ixgbe_standby_eeprom(hw); - }; - - /* - * On some parts, SPI write time could vary from 0-20mSec on 3.3V - * devices (and only 0-5mSec on 5V devices) - */ - if (i >= IXGBE_EEPROM_MAX_RETRY_SPI) { - hw_dbg(hw, "SPI EEPROM Status error\n"); - status = IXGBE_ERR_EEPROM; - } - - return status; -} - -/** - * ixgbe_standby_eeprom - Returns EEPROM to a "standby" state - * @hw: pointer to hardware structure - **/ -static void ixgbe_standby_eeprom(struct ixgbe_hw *hw) -{ - u32 eec; - - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - - /* Toggle CS to flush commands */ - eec |= IXGBE_EEC_CS; - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - IXGBE_WRITE_FLUSH(hw); - udelay(1); - eec &= ~IXGBE_EEC_CS; - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - IXGBE_WRITE_FLUSH(hw); - udelay(1); -} - -/** - * ixgbe_shift_out_eeprom_bits - Shift data bits out to the EEPROM. - * @hw: pointer to hardware structure - * @data: data to send to the EEPROM - * @count: number of bits to shift out - **/ -static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data, - u16 count) -{ - u32 eec; - u32 mask; - u32 i; - - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - - /* - * Mask is used to shift "count" bits of "data" out to the EEPROM - * one bit at a time. Determine the starting bit based on count - */ - mask = 0x01 << (count - 1); - - for (i = 0; i < count; i++) { - /* - * A "1" is shifted out to the EEPROM by setting bit "DI" to a - * "1", and then raising and then lowering the clock (the SK - * bit controls the clock input to the EEPROM). A "0" is - * shifted out to the EEPROM by setting "DI" to "0" and then - * raising and then lowering the clock. - */ - if (data & mask) - eec |= IXGBE_EEC_DI; - else - eec &= ~IXGBE_EEC_DI; - - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - IXGBE_WRITE_FLUSH(hw); - - udelay(1); - - ixgbe_raise_eeprom_clk(hw, &eec); - ixgbe_lower_eeprom_clk(hw, &eec); - - /* - * Shift mask to signify next bit of data to shift in to the - * EEPROM - */ - mask = mask >> 1; - }; - - /* We leave the "DI" bit set to "0" when we leave this routine. */ - eec &= ~IXGBE_EEC_DI; - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - IXGBE_WRITE_FLUSH(hw); -} - -/** - * ixgbe_shift_in_eeprom_bits - Shift data bits in from the EEPROM - * @hw: pointer to hardware structure - **/ -static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count) -{ - u32 eec; - u32 i; - u16 data = 0; - - /* - * In order to read a register from the EEPROM, we need to shift - * 'count' bits in from the EEPROM. Bits are "shifted in" by raising - * the clock input to the EEPROM (setting the SK bit), and then reading - * the value of the "DO" bit. During this "shifting in" process the - * "DI" bit should always be clear. - */ - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - - eec &= ~(IXGBE_EEC_DO | IXGBE_EEC_DI); - - for (i = 0; i < count; i++) { - data = data << 1; - ixgbe_raise_eeprom_clk(hw, &eec); - - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - - eec &= ~(IXGBE_EEC_DI); - if (eec & IXGBE_EEC_DO) - data |= 1; - - ixgbe_lower_eeprom_clk(hw, &eec); - } - - return data; -} - -/** - * ixgbe_raise_eeprom_clk - Raises the EEPROM's clock input. - * @hw: pointer to hardware structure - * @eec: EEC register's current value - **/ -static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec) -{ - /* - * Raise the clock input to the EEPROM - * (setting the SK bit), then delay - */ - *eec = *eec | IXGBE_EEC_SK; - IXGBE_WRITE_REG(hw, IXGBE_EEC, *eec); - IXGBE_WRITE_FLUSH(hw); - udelay(1); -} - -/** - * ixgbe_lower_eeprom_clk - Lowers the EEPROM's clock input. - * @hw: pointer to hardware structure - * @eecd: EECD's current value - **/ -static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec) -{ - /* - * Lower the clock input to the EEPROM (clearing the SK bit), then - * delay - */ - *eec = *eec & ~IXGBE_EEC_SK; - IXGBE_WRITE_REG(hw, IXGBE_EEC, *eec); - IXGBE_WRITE_FLUSH(hw); - udelay(1); -} - -/** - * ixgbe_release_eeprom - Release EEPROM, release semaphores - * @hw: pointer to hardware structure - **/ -static void ixgbe_release_eeprom(struct ixgbe_hw *hw) -{ - u32 eec; - - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - - eec |= IXGBE_EEC_CS; /* Pull CS high */ - eec &= ~IXGBE_EEC_SK; /* Lower SCK */ - - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - IXGBE_WRITE_FLUSH(hw); - - udelay(1); - - /* Stop requesting EEPROM access */ - eec &= ~IXGBE_EEC_REQ; - IXGBE_WRITE_REG(hw, IXGBE_EEC, eec); - - ixgbe_release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); -} - -/** - * ixgbe_calc_eeprom_checksum - Calculates and returns the checksum - * @hw: pointer to hardware structure - **/ -u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw) -{ - u16 i; - u16 j; - u16 checksum = 0; - u16 length = 0; - u16 pointer = 0; - u16 word = 0; - - /* Include 0x0-0x3F in the checksum */ - for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) { - if (hw->eeprom.ops.read(hw, i, &word) != 0) { - hw_dbg(hw, "EEPROM read failed\n"); - break; - } - checksum += word; - } - - /* Include all data from pointers except for the fw pointer */ - for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) { - hw->eeprom.ops.read(hw, i, &pointer); - - /* Make sure the pointer seems valid */ - if (pointer != 0xFFFF && pointer != 0) { - hw->eeprom.ops.read(hw, pointer, &length); - - if (length != 0xFFFF && length != 0) { - for (j = pointer+1; j <= pointer+length; j++) { - hw->eeprom.ops.read(hw, j, &word); - checksum += word; - } - } - } - } - - checksum = (u16)IXGBE_EEPROM_SUM - checksum; - - return checksum; -} - -/** - * ixgbe_validate_eeprom_checksum_generic - Validate EEPROM checksum - * @hw: pointer to hardware structure - * @checksum_val: calculated checksum - * - * Performs checksum calculation and validates the EEPROM checksum. If the - * caller does not need checksum_val, the value can be NULL. - **/ -s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw, - u16 *checksum_val) -{ - s32 status; - u16 checksum; - u16 read_checksum = 0; - - /* - * Read the first word from the EEPROM. If this times out or fails, do - * not continue or we could be in for a very long wait while every - * EEPROM read fails - */ - status = hw->eeprom.ops.read(hw, 0, &checksum); - - if (status == 0) { - checksum = hw->eeprom.ops.calc_checksum(hw); - - hw->eeprom.ops.read(hw, IXGBE_EEPROM_CHECKSUM, &read_checksum); - - /* - * Verify read checksum from EEPROM is the same as - * calculated checksum - */ - if (read_checksum != checksum) - status = IXGBE_ERR_EEPROM_CHECKSUM; - - /* If the user cares, return the calculated checksum */ - if (checksum_val) - *checksum_val = checksum; - } else { - hw_dbg(hw, "EEPROM read failed\n"); - } - - return status; -} - -/** - * ixgbe_update_eeprom_checksum_generic - Updates the EEPROM checksum - * @hw: pointer to hardware structure - **/ -s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw) -{ - s32 status; - u16 checksum; - - /* - * Read the first word from the EEPROM. If this times out or fails, do - * not continue or we could be in for a very long wait while every - * EEPROM read fails - */ - status = hw->eeprom.ops.read(hw, 0, &checksum); - - if (status == 0) { - checksum = hw->eeprom.ops.calc_checksum(hw); - status = hw->eeprom.ops.write(hw, IXGBE_EEPROM_CHECKSUM, - checksum); - } else { - hw_dbg(hw, "EEPROM read failed\n"); - } - - return status; -} - -/** - * ixgbe_validate_mac_addr - Validate MAC address - * @mac_addr: pointer to MAC address. - * - * Tests a MAC address to ensure it is a valid Individual Address - **/ -s32 ixgbe_validate_mac_addr(u8 *mac_addr) -{ - s32 status = 0; - - /* Make sure it is not a multicast address */ - if (IXGBE_IS_MULTICAST(mac_addr)) - status = IXGBE_ERR_INVALID_MAC_ADDR; - /* Not a broadcast address */ - else if (IXGBE_IS_BROADCAST(mac_addr)) - status = IXGBE_ERR_INVALID_MAC_ADDR; - /* Reject the zero address */ - else if (mac_addr[0] == 0 && mac_addr[1] == 0 && mac_addr[2] == 0 && - mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0) - status = IXGBE_ERR_INVALID_MAC_ADDR; - - return status; -} - -/** - * ixgbe_set_rar_generic - Set Rx address register - * @hw: pointer to hardware structure - * @index: Receive address register to write - * @addr: Address to put into receive address register - * @vmdq: VMDq "set" or "pool" index - * @enable_addr: set flag that address is active - * - * Puts an ethernet address into a receive address register. - **/ -s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq, - u32 enable_addr) -{ - u32 rar_low, rar_high; - u32 rar_entries = hw->mac.num_rar_entries; - - /* setup VMDq pool selection before this RAR gets enabled */ - hw->mac.ops.set_vmdq(hw, index, vmdq); - - /* Make sure we are using a valid rar index range */ - if (index < rar_entries) { - /* - * HW expects these in little endian so we reverse the byte - * order from network order (big endian) to little endian - */ - rar_low = ((u32)addr[0] | - ((u32)addr[1] << 8) | - ((u32)addr[2] << 16) | - ((u32)addr[3] << 24)); - /* - * Some parts put the VMDq setting in the extra RAH bits, - * so save everything except the lower 16 bits that hold part - * of the address and the address valid bit. - */ - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV); - rar_high |= ((u32)addr[4] | ((u32)addr[5] << 8)); - - if (enable_addr != 0) - rar_high |= IXGBE_RAH_AV; - - IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low); - IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); - } else { - hw_dbg(hw, "RAR index %d is out of range.\n", index); - return IXGBE_ERR_RAR_INDEX; - } - - return 0; -} - -/** - * ixgbe_clear_rar_generic - Remove Rx address register - * @hw: pointer to hardware structure - * @index: Receive address register to write - * - * Clears an ethernet address from a receive address register. - **/ -s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index) -{ - u32 rar_high; - u32 rar_entries = hw->mac.num_rar_entries; - - /* Make sure we are using a valid rar index range */ - if (index < rar_entries) { - /* - * Some parts put the VMDq setting in the extra RAH bits, - * so save everything except the lower 16 bits that hold part - * of the address and the address valid bit. - */ - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV); - - IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0); - IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); - } else { - hw_dbg(hw, "RAR index %d is out of range.\n", index); - return IXGBE_ERR_RAR_INDEX; - } - - /* clear VMDq pool/queue selection for this RAR */ - hw->mac.ops.clear_vmdq(hw, index, IXGBE_CLEAR_VMDQ_ALL); - - return 0; -} - -/** - * ixgbe_enable_rar - Enable Rx address register - * @hw: pointer to hardware structure - * @index: index into the RAR table - * - * Enables the select receive address register. - **/ -static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index) -{ - u32 rar_high; - - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high |= IXGBE_RAH_AV; - IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); -} - -/** - * ixgbe_disable_rar - Disable Rx address register - * @hw: pointer to hardware structure - * @index: index into the RAR table - * - * Disables the select receive address register. - **/ -static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index) -{ - u32 rar_high; - - rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index)); - rar_high &= (~IXGBE_RAH_AV); - IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high); -} - -/** - * ixgbe_init_rx_addrs_generic - Initializes receive address filters. - * @hw: pointer to hardware structure - * - * Places the MAC address in receive address register 0 and clears the rest - * of the receive address registers. Clears the multicast table. Assumes - * the receiver is in reset when the routine is called. - **/ -s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw) -{ - u32 i; - u32 rar_entries = hw->mac.num_rar_entries; - - /* - * If the current mac address is valid, assume it is a software override - * to the permanent address. - * Otherwise, use the permanent address from the eeprom. - */ - if (ixgbe_validate_mac_addr(hw->mac.addr) == - IXGBE_ERR_INVALID_MAC_ADDR) { - /* Get the MAC address from the RAR0 for later reference */ - hw->mac.ops.get_mac_addr(hw, hw->mac.addr); - - hw_dbg(hw, " Keeping Current RAR0 Addr =%pM\n", hw->mac.addr); - } else { - /* Setup the receive address. */ - hw_dbg(hw, "Overriding MAC Address in RAR[0]\n"); - hw_dbg(hw, " New MAC Addr =%pM\n", hw->mac.addr); - - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); - } - hw->addr_ctrl.overflow_promisc = 0; - - hw->addr_ctrl.rar_used_count = 1; - - /* Zero out the other receive addresses. */ - hw_dbg(hw, "Clearing RAR[1-%d]\n", rar_entries - 1); - for (i = 1; i < rar_entries; i++) { - IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0); - IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0); - } - - /* Clear the MTA */ - hw->addr_ctrl.mc_addr_in_rar_count = 0; - hw->addr_ctrl.mta_in_use = 0; - IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, hw->mac.mc_filter_type); - - hw_dbg(hw, " Clearing MTA\n"); - for (i = 0; i < hw->mac.mcft_size; i++) - IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0); - - if (hw->mac.ops.init_uta_tables) - hw->mac.ops.init_uta_tables(hw); - - return 0; -} - -/** - * ixgbe_add_uc_addr - Adds a secondary unicast address. - * @hw: pointer to hardware structure - * @addr: new address - * - * Adds it to unused receive address register or goes into promiscuous mode. - **/ -static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq) -{ - u32 rar_entries = hw->mac.num_rar_entries; - u32 rar; - - hw_dbg(hw, " UC Addr = %.2X %.2X %.2X %.2X %.2X %.2X\n", - addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); - - /* - * Place this address in the RAR if there is room, - * else put the controller into promiscuous mode - */ - if (hw->addr_ctrl.rar_used_count < rar_entries) { - rar = hw->addr_ctrl.rar_used_count - - hw->addr_ctrl.mc_addr_in_rar_count; - hw->mac.ops.set_rar(hw, rar, addr, vmdq, IXGBE_RAH_AV); - hw_dbg(hw, "Added a secondary address to RAR[%d]\n", rar); - hw->addr_ctrl.rar_used_count++; - } else { - hw->addr_ctrl.overflow_promisc++; - } - - hw_dbg(hw, "ixgbe_add_uc_addr Complete\n"); -} - -/** - * ixgbe_update_uc_addr_list_generic - Updates MAC list of secondary addresses - * @hw: pointer to hardware structure - * @netdev: pointer to net device structure - * - * The given list replaces any existing list. Clears the secondary addrs from - * receive address registers. Uses unused receive address registers for the - * first secondary addresses, and falls back to promiscuous mode as needed. - * - * Drivers using secondary unicast addresses must set user_set_promisc when - * manually putting the device into promiscuous mode. - **/ -s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, - struct net_device *netdev) -{ - u32 i; - u32 old_promisc_setting = hw->addr_ctrl.overflow_promisc; - u32 uc_addr_in_use; - u32 fctrl; - struct netdev_hw_addr *ha; - - /* - * Clear accounting of old secondary address list, - * don't count RAR[0] - */ - uc_addr_in_use = hw->addr_ctrl.rar_used_count - 1; - hw->addr_ctrl.rar_used_count -= uc_addr_in_use; - hw->addr_ctrl.overflow_promisc = 0; - - /* Zero out the other receive addresses */ - hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use + 1); - for (i = 0; i < uc_addr_in_use; i++) { - IXGBE_WRITE_REG(hw, IXGBE_RAL(1+i), 0); - IXGBE_WRITE_REG(hw, IXGBE_RAH(1+i), 0); - } - - /* Add the new addresses */ - netdev_for_each_uc_addr(ha, netdev) { - hw_dbg(hw, " Adding the secondary addresses:\n"); - ixgbe_add_uc_addr(hw, ha->addr, 0); - } - - if (hw->addr_ctrl.overflow_promisc) { - /* enable promisc if not already in overflow or set by user */ - if (!old_promisc_setting && !hw->addr_ctrl.user_set_promisc) { - hw_dbg(hw, " Entering address overflow promisc mode\n"); - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - fctrl |= IXGBE_FCTRL_UPE; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - hw->addr_ctrl.uc_set_promisc = true; - } - } else { - /* only disable if set by overflow, not by user */ - if ((old_promisc_setting && hw->addr_ctrl.uc_set_promisc) && - !(hw->addr_ctrl.user_set_promisc)) { - hw_dbg(hw, " Leaving address overflow promisc mode\n"); - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - fctrl &= ~IXGBE_FCTRL_UPE; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - hw->addr_ctrl.uc_set_promisc = false; - } - } - - hw_dbg(hw, "ixgbe_update_uc_addr_list_generic Complete\n"); - return 0; -} - -/** - * ixgbe_mta_vector - Determines bit-vector in multicast table to set - * @hw: pointer to hardware structure - * @mc_addr: the multicast address - * - * Extracts the 12 bits, from a multicast address, to determine which - * bit-vector to set in the multicast table. The hardware uses 12 bits, from - * incoming rx multicast addresses, to determine the bit-vector to check in - * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set - * by the MO field of the MCSTCTRL. The MO field is set during initialization - * to mc_filter_type. - **/ -static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr) -{ - u32 vector = 0; - - switch (hw->mac.mc_filter_type) { - case 0: /* use bits [47:36] of the address */ - vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4)); - break; - case 1: /* use bits [46:35] of the address */ - vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5)); - break; - case 2: /* use bits [45:34] of the address */ - vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6)); - break; - case 3: /* use bits [43:32] of the address */ - vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8)); - break; - default: /* Invalid mc_filter_type */ - hw_dbg(hw, "MC filter type param set incorrectly\n"); - break; - } - - /* vector can only be 12-bits or boundary will be exceeded */ - vector &= 0xFFF; - return vector; -} - -/** - * ixgbe_set_mta - Set bit-vector in multicast table - * @hw: pointer to hardware structure - * @hash_value: Multicast address hash value - * - * Sets the bit-vector in the multicast table. - **/ -static void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr) -{ - u32 vector; - u32 vector_bit; - u32 vector_reg; - u32 mta_reg; - - hw->addr_ctrl.mta_in_use++; - - vector = ixgbe_mta_vector(hw, mc_addr); - hw_dbg(hw, " bit-vector = 0x%03X\n", vector); - - /* - * The MTA is a register array of 128 32-bit registers. It is treated - * like an array of 4096 bits. We want to set bit - * BitArray[vector_value]. So we figure out what register the bit is - * in, read it, OR in the new bit, then write back the new value. The - * register is determined by the upper 7 bits of the vector value and - * the bit within that register are determined by the lower 5 bits of - * the value. - */ - vector_reg = (vector >> 5) & 0x7F; - vector_bit = vector & 0x1F; - mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); - mta_reg |= (1 << vector_bit); - IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); -} - -/** - * ixgbe_update_mc_addr_list_generic - Updates MAC list of multicast addresses - * @hw: pointer to hardware structure - * @netdev: pointer to net device structure - * - * The given list replaces any existing list. Clears the MC addrs from receive - * address registers and the multicast table. Uses unused receive address - * registers for the first multicast addresses, and hashes the rest into the - * multicast table. - **/ -s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, - struct net_device *netdev) -{ - struct netdev_hw_addr *ha; - u32 i; - - /* - * Set the new number of MC addresses that we are being requested to - * use. - */ - hw->addr_ctrl.num_mc_addrs = netdev_mc_count(netdev); - hw->addr_ctrl.mta_in_use = 0; - - /* Clear the MTA */ - hw_dbg(hw, " Clearing MTA\n"); - for (i = 0; i < hw->mac.mcft_size; i++) - IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0); - - /* Add the new addresses */ - netdev_for_each_mc_addr(ha, netdev) { - hw_dbg(hw, " Adding the multicast addresses:\n"); - ixgbe_set_mta(hw, ha->addr); - } - - /* Enable mta */ - if (hw->addr_ctrl.mta_in_use > 0) - IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, - IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type); - - hw_dbg(hw, "ixgbe_update_mc_addr_list_generic Complete\n"); - return 0; -} - -/** - * ixgbe_enable_mc_generic - Enable multicast address in RAR - * @hw: pointer to hardware structure - * - * Enables multicast address in RAR and the use of the multicast hash table. - **/ -s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw) -{ - u32 i; - u32 rar_entries = hw->mac.num_rar_entries; - struct ixgbe_addr_filter_info *a = &hw->addr_ctrl; - - if (a->mc_addr_in_rar_count > 0) - for (i = (rar_entries - a->mc_addr_in_rar_count); - i < rar_entries; i++) - ixgbe_enable_rar(hw, i); - - if (a->mta_in_use > 0) - IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, IXGBE_MCSTCTRL_MFE | - hw->mac.mc_filter_type); - - return 0; -} - -/** - * ixgbe_disable_mc_generic - Disable multicast address in RAR - * @hw: pointer to hardware structure - * - * Disables multicast address in RAR and the use of the multicast hash table. - **/ -s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw) -{ - u32 i; - u32 rar_entries = hw->mac.num_rar_entries; - struct ixgbe_addr_filter_info *a = &hw->addr_ctrl; - - if (a->mc_addr_in_rar_count > 0) - for (i = (rar_entries - a->mc_addr_in_rar_count); - i < rar_entries; i++) - ixgbe_disable_rar(hw, i); - - if (a->mta_in_use > 0) - IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, hw->mac.mc_filter_type); - - return 0; -} - -/** - * ixgbe_fc_enable_generic - Enable flow control - * @hw: pointer to hardware structure - * @packetbuf_num: packet buffer number (0-7) - * - * Enable flow control according to the current settings. - **/ -s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num) -{ - s32 ret_val = 0; - u32 mflcn_reg, fccfg_reg; - u32 reg; - u32 rx_pba_size; - u32 fcrtl, fcrth; - -#ifdef CONFIG_DCB - if (hw->fc.requested_mode == ixgbe_fc_pfc) - goto out; - -#endif /* CONFIG_DCB */ - /* Negotiate the fc mode to use */ - ret_val = ixgbe_fc_autoneg(hw); - if (ret_val) - goto out; - - /* Disable any previous flow control settings */ - mflcn_reg = IXGBE_READ_REG(hw, IXGBE_MFLCN); - mflcn_reg &= ~(IXGBE_MFLCN_RFCE | IXGBE_MFLCN_RPFCE); - - fccfg_reg = IXGBE_READ_REG(hw, IXGBE_FCCFG); - fccfg_reg &= ~(IXGBE_FCCFG_TFCE_802_3X | IXGBE_FCCFG_TFCE_PRIORITY); - - /* - * The possible values of fc.current_mode are: - * 0: Flow control is completely disabled - * 1: Rx flow control is enabled (we can receive pause frames, - * but not send pause frames). - * 2: Tx flow control is enabled (we can send pause frames but - * we do not support receiving pause frames). - * 3: Both Rx and Tx flow control (symmetric) are enabled. - * 4: Priority Flow Control is enabled. - * other: Invalid. - */ - switch (hw->fc.current_mode) { - case ixgbe_fc_none: - /* - * Flow control is disabled by software override or autoneg. - * The code below will actually disable it in the HW. - */ - break; - case ixgbe_fc_rx_pause: - /* - * Rx Flow control is enabled and Tx Flow control is - * disabled by software override. Since there really - * isn't a way to advertise that we are capable of RX - * Pause ONLY, we will advertise that we support both - * symmetric and asymmetric Rx PAUSE. Later, we will - * disable the adapter's ability to send PAUSE frames. - */ - mflcn_reg |= IXGBE_MFLCN_RFCE; - break; - case ixgbe_fc_tx_pause: - /* - * Tx Flow control is enabled, and Rx Flow control is - * disabled by software override. - */ - fccfg_reg |= IXGBE_FCCFG_TFCE_802_3X; - break; - case ixgbe_fc_full: - /* Flow control (both Rx and Tx) is enabled by SW override. */ - mflcn_reg |= IXGBE_MFLCN_RFCE; - fccfg_reg |= IXGBE_FCCFG_TFCE_802_3X; - break; -#ifdef CONFIG_DCB - case ixgbe_fc_pfc: - goto out; - break; -#endif /* CONFIG_DCB */ - default: - hw_dbg(hw, "Flow control param set incorrectly\n"); - ret_val = IXGBE_ERR_CONFIG; - goto out; - break; - } - - /* Set 802.3x based flow control settings. */ - mflcn_reg |= IXGBE_MFLCN_DPF; - IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn_reg); - IXGBE_WRITE_REG(hw, IXGBE_FCCFG, fccfg_reg); - - rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num)); - rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; - - fcrth = (rx_pba_size - hw->fc.high_water) << 10; - fcrtl = (rx_pba_size - hw->fc.low_water) << 10; - - if (hw->fc.current_mode & ixgbe_fc_tx_pause) { - fcrth |= IXGBE_FCRTH_FCEN; - if (hw->fc.send_xon) - fcrtl |= IXGBE_FCRTL_XONE; - } - - IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num), fcrth); - IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num), fcrtl); - - /* Configure pause time (2 TCs per register) */ - reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2)); - if ((packetbuf_num & 1) == 0) - reg = (reg & 0xFFFF0000) | hw->fc.pause_time; - else - reg = (reg & 0x0000FFFF) | (hw->fc.pause_time << 16); - IXGBE_WRITE_REG(hw, IXGBE_FCTTV(packetbuf_num / 2), reg); - - IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1)); - -out: - return ret_val; -} - -/** - * ixgbe_fc_autoneg - Configure flow control - * @hw: pointer to hardware structure - * - * Compares our advertised flow control capabilities to those advertised by - * our link partner, and determines the proper flow control mode to use. - **/ -s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw) -{ - s32 ret_val = 0; - ixgbe_link_speed speed; - u32 pcs_anadv_reg, pcs_lpab_reg, linkstat; - u32 links2, anlp1_reg, autoc_reg, links; - bool link_up; - - /* - * AN should have completed when the cable was plugged in. - * Look for reasons to bail out. Bail out if: - * - FC autoneg is disabled, or if - * - link is not up. - * - * Since we're being called from an LSC, link is already known to be up. - * So use link_up_wait_to_complete=false. - */ - hw->mac.ops.check_link(hw, &speed, &link_up, false); - - if (hw->fc.disable_fc_autoneg || (!link_up)) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } - - /* - * On backplane, bail out if - * - backplane autoneg was not completed, or if - * - we are 82599 and link partner is not AN enabled - */ - if (hw->phy.media_type == ixgbe_media_type_backplane) { - links = IXGBE_READ_REG(hw, IXGBE_LINKS); - if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } - - if (hw->mac.type == ixgbe_mac_82599EB) { - links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2); - if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } - } - } - - /* - * On multispeed fiber at 1g, bail out if - * - link is up but AN did not complete, or if - * - link is up and AN completed but timed out - */ - if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL)) { - linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA); - if (((linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) || - ((linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } - } - - /* - * Bail out on - * - copper or CX4 adapters - * - fiber adapters running at 10gig - */ - if ((hw->phy.media_type == ixgbe_media_type_copper) || - (hw->phy.media_type == ixgbe_media_type_cx4) || - ((hw->phy.media_type == ixgbe_media_type_fiber) && - (speed == IXGBE_LINK_SPEED_10GB_FULL))) { - hw->fc.fc_was_autonegged = false; - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } - - /* - * Read the AN advertisement and LP ability registers and resolve - * local flow control settings accordingly - */ - if ((speed == IXGBE_LINK_SPEED_1GB_FULL) && - (hw->phy.media_type != ixgbe_media_type_backplane)) { - pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); - pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP); - if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE)) { - /* - * Now we need to check if the user selected Rx ONLY - * of pause frames. In this case, we had to advertise - * FULL flow control because we could not advertise RX - * ONLY. Hence, we must now check to see if we need to - * turn OFF the TRANSMISSION of PAUSE frames. - */ - if (hw->fc.requested_mode == ixgbe_fc_full) { - hw->fc.current_mode = ixgbe_fc_full; - hw_dbg(hw, "Flow Control = FULL.\n"); - } else { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control=RX PAUSE only\n"); - } - } else if (!(pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_tx_pause; - hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n"); - } else if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) && - !(pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) && - (pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n"); - } else { - hw->fc.current_mode = ixgbe_fc_none; - hw_dbg(hw, "Flow Control = NONE.\n"); - } - } - - if (hw->phy.media_type == ixgbe_media_type_backplane) { - /* - * Read the 10g AN autoc and LP ability registers and resolve - * local flow control settings accordingly - */ - autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1); - - if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_SYM_PAUSE)) { - /* - * Now we need to check if the user selected Rx ONLY - * of pause frames. In this case, we had to advertise - * FULL flow control because we could not advertise RX - * ONLY. Hence, we must now check to see if we need to - * turn OFF the TRANSMISSION of PAUSE frames. - */ - if (hw->fc.requested_mode == ixgbe_fc_full) { - hw->fc.current_mode = ixgbe_fc_full; - hw_dbg(hw, "Flow Control = FULL.\n"); - } else { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control=RX PAUSE only\n"); - } - } else if (!(autoc_reg & IXGBE_AUTOC_SYM_PAUSE) && - (autoc_reg & IXGBE_AUTOC_ASM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_tx_pause; - hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n"); - } else if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) && - (autoc_reg & IXGBE_AUTOC_ASM_PAUSE) && - !(anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) && - (anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) { - hw->fc.current_mode = ixgbe_fc_rx_pause; - hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n"); - } else { - hw->fc.current_mode = ixgbe_fc_none; - hw_dbg(hw, "Flow Control = NONE.\n"); - } - } - /* Record that current_mode is the result of a successful autoneg */ - hw->fc.fc_was_autonegged = true; - -out: - return ret_val; -} - -/** - * ixgbe_setup_fc - Set up flow control - * @hw: pointer to hardware structure - * - * Called at init time to set up flow control. - **/ -static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num) -{ - s32 ret_val = 0; - u32 reg; - -#ifdef CONFIG_DCB - if (hw->fc.requested_mode == ixgbe_fc_pfc) { - hw->fc.current_mode = hw->fc.requested_mode; - goto out; - } - -#endif - /* Validate the packetbuf configuration */ - if (packetbuf_num < 0 || packetbuf_num > 7) { - hw_dbg(hw, "Invalid packet buffer number [%d], expected range " - "is 0-7\n", packetbuf_num); - ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS; - goto out; - } - - /* - * Validate the water mark configuration. Zero water marks are invalid - * because it causes the controller to just blast out fc packets. - */ - if (!hw->fc.low_water || !hw->fc.high_water || !hw->fc.pause_time) { - hw_dbg(hw, "Invalid water mark configuration\n"); - ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS; - goto out; - } - - /* - * Validate the requested mode. Strict IEEE mode does not allow - * ixgbe_fc_rx_pause because it will cause us to fail at UNH. - */ - if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { - hw_dbg(hw, "ixgbe_fc_rx_pause not valid in strict " - "IEEE mode\n"); - ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS; - goto out; - } - - /* - * 10gig parts do not have a word in the EEPROM to determine the - * default flow control setting, so we explicitly set it to full. - */ - if (hw->fc.requested_mode == ixgbe_fc_default) - hw->fc.requested_mode = ixgbe_fc_full; - - /* - * Set up the 1G flow control advertisement registers so the HW will be - * able to do fc autoneg once the cable is plugged in. If we end up - * using 10g instead, this is harmless. - */ - reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); - - /* - * The possible values of fc.requested_mode are: - * 0: Flow control is completely disabled - * 1: Rx flow control is enabled (we can receive pause frames, - * but not send pause frames). - * 2: Tx flow control is enabled (we can send pause frames but - * we do not support receiving pause frames). - * 3: Both Rx and Tx flow control (symmetric) are enabled. -#ifdef CONFIG_DCB - * 4: Priority Flow Control is enabled. -#endif - * other: Invalid. - */ - switch (hw->fc.requested_mode) { - case ixgbe_fc_none: - /* Flow control completely disabled by software override. */ - reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE); - break; - case ixgbe_fc_rx_pause: - /* - * Rx Flow control is enabled and Tx Flow control is - * disabled by software override. Since there really - * isn't a way to advertise that we are capable of RX - * Pause ONLY, we will advertise that we support both - * symmetric and asymmetric Rx PAUSE. Later, we will - * disable the adapter's ability to send PAUSE frames. - */ - reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE); - break; - case ixgbe_fc_tx_pause: - /* - * Tx Flow control is enabled, and Rx Flow control is - * disabled by software override. - */ - reg |= (IXGBE_PCS1GANA_ASM_PAUSE); - reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE); - break; - case ixgbe_fc_full: - /* Flow control (both Rx and Tx) is enabled by SW override. */ - reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE); - break; -#ifdef CONFIG_DCB - case ixgbe_fc_pfc: - goto out; - break; -#endif /* CONFIG_DCB */ - default: - hw_dbg(hw, "Flow control param set incorrectly\n"); - ret_val = IXGBE_ERR_CONFIG; - goto out; - break; - } - - IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg); - reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL); - - /* Disable AN timeout */ - if (hw->fc.strict_ieee) - reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN; - - IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg); - hw_dbg(hw, "Set up FC; PCS1GLCTL = 0x%08X\n", reg); - - /* - * Set up the 10G flow control advertisement registers so the HW - * can do fc autoneg once the cable is plugged in. If we end up - * using 1g instead, this is harmless. - */ - reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - - /* - * The possible values of fc.requested_mode are: - * 0: Flow control is completely disabled - * 1: Rx flow control is enabled (we can receive pause frames, - * but not send pause frames). - * 2: Tx flow control is enabled (we can send pause frames but - * we do not support receiving pause frames). - * 3: Both Rx and Tx flow control (symmetric) are enabled. - * other: Invalid. - */ - switch (hw->fc.requested_mode) { - case ixgbe_fc_none: - /* Flow control completely disabled by software override. */ - reg &= ~(IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE); - break; - case ixgbe_fc_rx_pause: - /* - * Rx Flow control is enabled and Tx Flow control is - * disabled by software override. Since there really - * isn't a way to advertise that we are capable of RX - * Pause ONLY, we will advertise that we support both - * symmetric and asymmetric Rx PAUSE. Later, we will - * disable the adapter's ability to send PAUSE frames. - */ - reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE); - break; - case ixgbe_fc_tx_pause: - /* - * Tx Flow control is enabled, and Rx Flow control is - * disabled by software override. - */ - reg |= (IXGBE_AUTOC_ASM_PAUSE); - reg &= ~(IXGBE_AUTOC_SYM_PAUSE); - break; - case ixgbe_fc_full: - /* Flow control (both Rx and Tx) is enabled by SW override. */ - reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE); - break; -#ifdef CONFIG_DCB - case ixgbe_fc_pfc: - goto out; - break; -#endif /* CONFIG_DCB */ - default: - hw_dbg(hw, "Flow control param set incorrectly\n"); - ret_val = IXGBE_ERR_CONFIG; - goto out; - break; - } - /* - * AUTOC restart handles negotiation of 1G and 10G. There is - * no need to set the PCS1GCTL register. - */ - reg |= IXGBE_AUTOC_AN_RESTART; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg); - hw_dbg(hw, "Set up FC; IXGBE_AUTOC = 0x%08X\n", reg); - -out: - return ret_val; -} - -/** - * ixgbe_disable_pcie_master - Disable PCI-express master access - * @hw: pointer to hardware structure - * - * Disables PCI-Express master access and verifies there are no pending - * requests. IXGBE_ERR_MASTER_REQUESTS_PENDING is returned if master disable - * bit hasn't caused the master requests to be disabled, else 0 - * is returned signifying master requests disabled. - **/ -s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw) -{ - u32 i; - u32 reg_val; - u32 number_of_queues; - s32 status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - - /* Disable the receive unit by stopping each queue */ - number_of_queues = hw->mac.max_rx_queues; - for (i = 0; i < number_of_queues; i++) { - reg_val = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i)); - if (reg_val & IXGBE_RXDCTL_ENABLE) { - reg_val &= ~IXGBE_RXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), reg_val); - } - } - - reg_val = IXGBE_READ_REG(hw, IXGBE_CTRL); - reg_val |= IXGBE_CTRL_GIO_DIS; - IXGBE_WRITE_REG(hw, IXGBE_CTRL, reg_val); - - for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) { - if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO)) { - status = 0; - break; - } - udelay(100); - } - - return status; -} - - -/** - * ixgbe_acquire_swfw_sync - Acquire SWFW semaphore - * @hw: pointer to hardware structure - * @mask: Mask to specify which semaphore to acquire - * - * Acquires the SWFW semaphore thought the GSSR register for the specified - * function (CSR, PHY0, PHY1, EEPROM, Flash) - **/ -s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask) -{ - u32 gssr; - u32 swmask = mask; - u32 fwmask = mask << 5; - s32 timeout = 200; - - while (timeout) { - if (ixgbe_get_eeprom_semaphore(hw)) - return IXGBE_ERR_SWFW_SYNC; - - gssr = IXGBE_READ_REG(hw, IXGBE_GSSR); - if (!(gssr & (fwmask | swmask))) - break; - - /* - * Firmware currently using resource (fwmask) or other software - * thread currently using resource (swmask) - */ - ixgbe_release_eeprom_semaphore(hw); - msleep(5); - timeout--; - } - - if (!timeout) { - hw_dbg(hw, "Driver can't access resource, GSSR timeout.\n"); - return IXGBE_ERR_SWFW_SYNC; - } - - gssr |= swmask; - IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr); - - ixgbe_release_eeprom_semaphore(hw); - return 0; -} - -/** - * ixgbe_release_swfw_sync - Release SWFW semaphore - * @hw: pointer to hardware structure - * @mask: Mask to specify which semaphore to release - * - * Releases the SWFW semaphore thought the GSSR register for the specified - * function (CSR, PHY0, PHY1, EEPROM, Flash) - **/ -void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask) -{ - u32 gssr; - u32 swmask = mask; - - ixgbe_get_eeprom_semaphore(hw); - - gssr = IXGBE_READ_REG(hw, IXGBE_GSSR); - gssr &= ~swmask; - IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr); - - ixgbe_release_eeprom_semaphore(hw); -} - -/** - * ixgbe_enable_rx_dma_generic - Enable the Rx DMA unit - * @hw: pointer to hardware structure - * @regval: register value to write to RXCTRL - * - * Enables the Rx DMA unit - **/ -s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval) -{ - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval); - - return 0; -} - -/** - * ixgbe_blink_led_start_generic - Blink LED based on index. - * @hw: pointer to hardware structure - * @index: led number to blink - **/ -s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index) -{ - ixgbe_link_speed speed = 0; - bool link_up = 0; - u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL); - - /* - * Link must be up to auto-blink the LEDs; - * Force it if link is down. - */ - hw->mac.ops.check_link(hw, &speed, &link_up, false); - - if (!link_up) { - autoc_reg |= IXGBE_AUTOC_AN_RESTART; - autoc_reg |= IXGBE_AUTOC_FLU; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); - msleep(10); - } - - led_reg &= ~IXGBE_LED_MODE_MASK(index); - led_reg |= IXGBE_LED_BLINK(index); - IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg); - IXGBE_WRITE_FLUSH(hw); - - return 0; -} - -/** - * ixgbe_blink_led_stop_generic - Stop blinking LED based on index. - * @hw: pointer to hardware structure - * @index: led number to stop blinking - **/ -s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index) -{ - u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); - u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL); - - autoc_reg &= ~IXGBE_AUTOC_FLU; - autoc_reg |= IXGBE_AUTOC_AN_RESTART; - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); - - led_reg &= ~IXGBE_LED_MODE_MASK(index); - led_reg &= ~IXGBE_LED_BLINK(index); - led_reg |= IXGBE_LED_LINK_ACTIVE << IXGBE_LED_MODE_SHIFT(index); - IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg); - IXGBE_WRITE_FLUSH(hw); - - return 0; -} - -/** - * ixgbe_get_san_mac_addr_offset - Get SAN MAC address offset from the EEPROM - * @hw: pointer to hardware structure - * @san_mac_offset: SAN MAC address offset - * - * This function will read the EEPROM location for the SAN MAC address - * pointer, and returns the value at that location. This is used in both - * get and set mac_addr routines. - **/ -static s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw, - u16 *san_mac_offset) -{ - /* - * First read the EEPROM pointer to see if the MAC addresses are - * available. - */ - hw->eeprom.ops.read(hw, IXGBE_SAN_MAC_ADDR_PTR, san_mac_offset); - - return 0; -} - -/** - * ixgbe_get_san_mac_addr_generic - SAN MAC address retrieval from the EEPROM - * @hw: pointer to hardware structure - * @san_mac_addr: SAN MAC address - * - * Reads the SAN MAC address from the EEPROM, if it's available. This is - * per-port, so set_lan_id() must be called before reading the addresses. - * set_lan_id() is called by identify_sfp(), but this cannot be relied - * upon for non-SFP connections, so we must call it here. - **/ -s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr) -{ - u16 san_mac_data, san_mac_offset; - u8 i; - - /* - * First read the EEPROM pointer to see if the MAC addresses are - * available. If they're not, no point in calling set_lan_id() here. - */ - ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset); - - if ((san_mac_offset == 0) || (san_mac_offset == 0xFFFF)) { - /* - * No addresses available in this EEPROM. It's not an - * error though, so just wipe the local address and return. - */ - for (i = 0; i < 6; i++) - san_mac_addr[i] = 0xFF; - - goto san_mac_addr_out; - } - - /* make sure we know which port we need to program */ - hw->mac.ops.set_lan_id(hw); - /* apply the port offset to the address offset */ - (hw->bus.func) ? (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT1_OFFSET) : - (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET); - for (i = 0; i < 3; i++) { - hw->eeprom.ops.read(hw, san_mac_offset, &san_mac_data); - san_mac_addr[i * 2] = (u8)(san_mac_data); - san_mac_addr[i * 2 + 1] = (u8)(san_mac_data >> 8); - san_mac_offset++; - } - -san_mac_addr_out: - return 0; -} - -/** - * ixgbe_get_pcie_msix_count_generic - Gets MSI-X vector count - * @hw: pointer to hardware structure - * - * Read PCIe configuration space, and get the MSI-X vector count from - * the capabilities table. - **/ -u32 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw) -{ - struct ixgbe_adapter *adapter = hw->back; - u16 msix_count; - pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82599_CAPS, - &msix_count); - msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK; - - /* MSI-X count is zero-based in HW, so increment to give proper value */ - msix_count++; - - return msix_count; -} - -/** - * ixgbe_clear_vmdq_generic - Disassociate a VMDq pool index from a rx address - * @hw: pointer to hardware struct - * @rar: receive address register index to disassociate - * @vmdq: VMDq pool index to remove from the rar - **/ -s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq) -{ - u32 mpsar_lo, mpsar_hi; - u32 rar_entries = hw->mac.num_rar_entries; - - if (rar < rar_entries) { - mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar)); - mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar)); - - if (!mpsar_lo && !mpsar_hi) - goto done; - - if (vmdq == IXGBE_CLEAR_VMDQ_ALL) { - if (mpsar_lo) { - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0); - mpsar_lo = 0; - } - if (mpsar_hi) { - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0); - mpsar_hi = 0; - } - } else if (vmdq < 32) { - mpsar_lo &= ~(1 << vmdq); - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo); - } else { - mpsar_hi &= ~(1 << (vmdq - 32)); - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi); - } - - /* was that the last pool using this rar? */ - if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0) - hw->mac.ops.clear_rar(hw, rar); - } else { - hw_dbg(hw, "RAR index %d is out of range.\n", rar); - } - -done: - return 0; -} - -/** - * ixgbe_set_vmdq_generic - Associate a VMDq pool index with a rx address - * @hw: pointer to hardware struct - * @rar: receive address register index to associate with a VMDq index - * @vmdq: VMDq pool index - **/ -s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq) -{ - u32 mpsar; - u32 rar_entries = hw->mac.num_rar_entries; - - if (rar < rar_entries) { - if (vmdq < 32) { - mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar)); - mpsar |= 1 << vmdq; - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar); - } else { - mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar)); - mpsar |= 1 << (vmdq - 32); - IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar); - } - } else { - hw_dbg(hw, "RAR index %d is out of range.\n", rar); - } - return 0; -} - -/** - * ixgbe_init_uta_tables_generic - Initialize the Unicast Table Array - * @hw: pointer to hardware structure - **/ -s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw) -{ - int i; - - - for (i = 0; i < 128; i++) - IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0); - - return 0; -} - -/** - * ixgbe_find_vlvf_slot - find the vlanid or the first empty slot - * @hw: pointer to hardware structure - * @vlan: VLAN id to write to VLAN filter - * - * return the VLVF index where this VLAN id should be placed - * - **/ -static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan) -{ - u32 bits = 0; - u32 first_empty_slot = 0; - s32 regindex; - - /* short cut the special case */ - if (vlan == 0) - return 0; - - /* - * Search for the vlan id in the VLVF entries. Save off the first empty - * slot found along the way - */ - for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) { - bits = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex)); - if (!bits && !(first_empty_slot)) - first_empty_slot = regindex; - else if ((bits & 0x0FFF) == vlan) - break; - } - - /* - * If regindex is less than IXGBE_VLVF_ENTRIES, then we found the vlan - * in the VLVF. Else use the first empty VLVF register for this - * vlan id. - */ - if (regindex >= IXGBE_VLVF_ENTRIES) { - if (first_empty_slot) - regindex = first_empty_slot; - else { - hw_dbg(hw, "No space in VLVF.\n"); - regindex = IXGBE_ERR_NO_SPACE; - } - } - - return regindex; -} - -/** - * ixgbe_set_vfta_generic - Set VLAN filter table - * @hw: pointer to hardware structure - * @vlan: VLAN id to write to VLAN filter - * @vind: VMDq output index that maps queue to VLAN id in VFVFB - * @vlan_on: boolean flag to turn on/off VLAN in VFVF - * - * Turn on/off specified VLAN in the VLAN filter table. - **/ -s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind, - bool vlan_on) -{ - s32 regindex; - u32 bitindex; - u32 vfta; - u32 bits; - u32 vt; - u32 targetbit; - bool vfta_changed = false; - - if (vlan > 4095) - return IXGBE_ERR_PARAM; - - /* - * this is a 2 part operation - first the VFTA, then the - * VLVF and VLVFB if VT Mode is set - * We don't write the VFTA until we know the VLVF part succeeded. - */ - - /* Part 1 - * The VFTA is a bitstring made up of 128 32-bit registers - * that enable the particular VLAN id, much like the MTA: - * bits[11-5]: which register - * bits[4-0]: which bit in the register - */ - regindex = (vlan >> 5) & 0x7F; - bitindex = vlan & 0x1F; - targetbit = (1 << bitindex); - vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex)); - - if (vlan_on) { - if (!(vfta & targetbit)) { - vfta |= targetbit; - vfta_changed = true; - } - } else { - if ((vfta & targetbit)) { - vfta &= ~targetbit; - vfta_changed = true; - } - } - - /* Part 2 - * If VT Mode is set - * Either vlan_on - * make sure the vlan is in VLVF - * set the vind bit in the matching VLVFB - * Or !vlan_on - * clear the pool bit and possibly the vind - */ - vt = IXGBE_READ_REG(hw, IXGBE_VT_CTL); - if (vt & IXGBE_VT_CTL_VT_ENABLE) { - s32 vlvf_index; - - vlvf_index = ixgbe_find_vlvf_slot(hw, vlan); - if (vlvf_index < 0) - return vlvf_index; - - if (vlan_on) { - /* set the pool bit */ - if (vind < 32) { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB(vlvf_index*2)); - bits |= (1 << vind); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB(vlvf_index*2), - bits); - } else { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1)); - bits |= (1 << (vind-32)); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1), - bits); - } - } else { - /* clear the pool bit */ - if (vind < 32) { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB(vlvf_index*2)); - bits &= ~(1 << vind); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB(vlvf_index*2), - bits); - bits |= IXGBE_READ_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1)); - } else { - bits = IXGBE_READ_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1)); - bits &= ~(1 << (vind-32)); - IXGBE_WRITE_REG(hw, - IXGBE_VLVFB((vlvf_index*2)+1), - bits); - bits |= IXGBE_READ_REG(hw, - IXGBE_VLVFB(vlvf_index*2)); - } - } - - /* - * If there are still bits set in the VLVFB registers - * for the VLAN ID indicated we need to see if the - * caller is requesting that we clear the VFTA entry bit. - * If the caller has requested that we clear the VFTA - * entry bit but there are still pools/VFs using this VLAN - * ID entry then ignore the request. We're not worried - * about the case where we're turning the VFTA VLAN ID - * entry bit on, only when requested to turn it off as - * there may be multiple pools and/or VFs using the - * VLAN ID entry. In that case we cannot clear the - * VFTA bit until all pools/VFs using that VLAN ID have also - * been cleared. This will be indicated by "bits" being - * zero. - */ - if (bits) { - IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), - (IXGBE_VLVF_VIEN | vlan)); - if (!vlan_on) { - /* someone wants to clear the vfta entry - * but some pools/VFs are still using it. - * Ignore it. */ - vfta_changed = false; - } - } - else - IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0); - } - - if (vfta_changed) - IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), vfta); - - return 0; -} - -/** - * ixgbe_clear_vfta_generic - Clear VLAN filter table - * @hw: pointer to hardware structure - * - * Clears the VLAN filer table, and the VMDq index associated with the filter - **/ -s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw) -{ - u32 offset; - - for (offset = 0; offset < hw->mac.vft_size; offset++) - IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0); - - for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) { - IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0); - IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset*2), 0); - IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset*2)+1), 0); - } - - return 0; -} - -/** - * ixgbe_check_mac_link_generic - Determine link and speed status - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @link_up: true when link is up - * @link_up_wait_to_complete: bool used to wait for link up or not - * - * Reads the links register to determine if link is up and the current speed - **/ -s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed, - bool *link_up, bool link_up_wait_to_complete) -{ - u32 links_reg; - u32 i; - - links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); - if (link_up_wait_to_complete) { - for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { - if (links_reg & IXGBE_LINKS_UP) { - *link_up = true; - break; - } else { - *link_up = false; - } - msleep(100); - links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); - } - } else { - if (links_reg & IXGBE_LINKS_UP) - *link_up = true; - else - *link_up = false; - } - - if ((links_reg & IXGBE_LINKS_SPEED_82599) == - IXGBE_LINKS_SPEED_10G_82599) - *speed = IXGBE_LINK_SPEED_10GB_FULL; - else if ((links_reg & IXGBE_LINKS_SPEED_82599) == - IXGBE_LINKS_SPEED_1G_82599) - *speed = IXGBE_LINK_SPEED_1GB_FULL; - else - *speed = IXGBE_LINK_SPEED_100_FULL; - - /* if link is down, zero out the current_mode */ - if (*link_up == false) { - hw->fc.current_mode = ixgbe_fc_none; - hw->fc.fc_was_autonegged = false; - } - - return 0; -} - -/** - * ixgbe_get_wwn_prefix_generic Get alternative WWNN/WWPN prefix from - * the EEPROM - * @hw: pointer to hardware structure - * @wwnn_prefix: the alternative WWNN prefix - * @wwpn_prefix: the alternative WWPN prefix - * - * This function will read the EEPROM from the alternative SAN MAC address - * block to check the support for the alternative WWNN/WWPN prefix support. - **/ -s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix, - u16 *wwpn_prefix) -{ - u16 offset, caps; - u16 alt_san_mac_blk_offset; - - /* clear output first */ - *wwnn_prefix = 0xFFFF; - *wwpn_prefix = 0xFFFF; - - /* check if alternative SAN MAC is supported */ - hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR, - &alt_san_mac_blk_offset); - - if ((alt_san_mac_blk_offset == 0) || - (alt_san_mac_blk_offset == 0xFFFF)) - goto wwn_prefix_out; - - /* check capability in alternative san mac address block */ - offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET; - hw->eeprom.ops.read(hw, offset, &caps); - if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN)) - goto wwn_prefix_out; - - /* get the corresponding prefix for WWNN/WWPN */ - offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET; - hw->eeprom.ops.read(hw, offset, wwnn_prefix); - - offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET; - hw->eeprom.ops.read(hw, offset, wwpn_prefix); - -wwn_prefix_out: - return 0; -} diff --git a/drivers/net/ixgbe/ixgbe_common.h b/drivers/net/ixgbe/ixgbe_common.h deleted file mode 100644 index e1f980a8a09..00000000000 --- a/drivers/net/ixgbe/ixgbe_common.h +++ /dev/null @@ -1,130 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _IXGBE_COMMON_H_ -#define _IXGBE_COMMON_H_ - -#include "ixgbe_type.h" - -u32 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw); -s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw); -s32 ixgbe_init_hw_generic(struct ixgbe_hw *hw); -s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw); -s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw); -s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num, - u32 pba_num_size); -s32 ixgbe_get_mac_addr_generic(struct ixgbe_hw *hw, u8 *mac_addr); -s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw); -void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw); -s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw); - -s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index); -s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index); - -s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw); -s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data); -s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data); -s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset, - u16 *data); -u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw); -s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw, - u16 *checksum_val); -s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw); -s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg); - -s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq, - u32 enable_addr); -s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index); -s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw); -s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, - struct net_device *netdev); -s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, - struct net_device *netdev); -s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw); -s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw); -s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval); -s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packtetbuf_num); -s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw); - -s32 ixgbe_validate_mac_addr(u8 *mac_addr); -s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask); -void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask); -s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw); -s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr); -s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq); -s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq); -s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw); -s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, - u32 vind, bool vlan_on); -s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw); -s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, - bool *link_up, bool link_up_wait_to_complete); -s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix, - u16 *wwpn_prefix); -s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index); -s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index); - -#define IXGBE_WRITE_REG(a, reg, value) writel((value), ((a)->hw_addr + (reg))) - -#ifndef writeq -#define writeq(val, addr) writel((u32) (val), addr); \ - writel((u32) (val >> 32), (addr + 4)); -#endif - -#define IXGBE_WRITE_REG64(a, reg, value) writeq((value), ((a)->hw_addr + (reg))) - -#define IXGBE_READ_REG(a, reg) readl((a)->hw_addr + (reg)) - -#define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\ - writel((value), ((a)->hw_addr + (reg) + ((offset) << 2)))) - -#define IXGBE_READ_REG_ARRAY(a, reg, offset) (\ - readl((a)->hw_addr + (reg) + ((offset) << 2))) - -#define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS) - -extern struct net_device *ixgbe_get_hw_dev(struct ixgbe_hw *hw); -#define hw_dbg(hw, format, arg...) \ - netdev_dbg(ixgbe_get_hw_dev(hw), format, ##arg) -#define e_dev_info(format, arg...) \ - dev_info(&adapter->pdev->dev, format, ## arg) -#define e_dev_warn(format, arg...) \ - dev_warn(&adapter->pdev->dev, format, ## arg) -#define e_dev_err(format, arg...) \ - dev_err(&adapter->pdev->dev, format, ## arg) -#define e_dev_notice(format, arg...) \ - dev_notice(&adapter->pdev->dev, format, ## arg) -#define e_info(msglvl, format, arg...) \ - netif_info(adapter, msglvl, adapter->netdev, format, ## arg) -#define e_err(msglvl, format, arg...) \ - netif_err(adapter, msglvl, adapter->netdev, format, ## arg) -#define e_warn(msglvl, format, arg...) \ - netif_warn(adapter, msglvl, adapter->netdev, format, ## arg) -#define e_crit(msglvl, format, arg...) \ - netif_crit(adapter, msglvl, adapter->netdev, format, ## arg) -#endif /* IXGBE_COMMON */ diff --git a/drivers/net/ixgbe/ixgbe_dcb.c b/drivers/net/ixgbe/ixgbe_dcb.c deleted file mode 100644 index d16c260c1f5..00000000000 --- a/drivers/net/ixgbe/ixgbe_dcb.c +++ /dev/null @@ -1,168 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - - -#include "ixgbe.h" -#include "ixgbe_type.h" -#include "ixgbe_dcb.h" -#include "ixgbe_dcb_82598.h" -#include "ixgbe_dcb_82599.h" - -/** - * ixgbe_dcb_calculate_tc_credits - Calculates traffic class credits - * @ixgbe_dcb_config: Struct containing DCB settings. - * @direction: Configuring either Tx or Rx. - * - * This function calculates the credits allocated to each traffic class. - * It should be called only after the rules are checked by - * ixgbe_dcb_check_config(). - */ -s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config, - int max_frame, u8 direction) -{ - struct tc_bw_alloc *p; - int min_credit; - int min_multiplier; - int min_percent = 100; - s32 ret_val = 0; - /* Initialization values default for Tx settings */ - u32 credit_refill = 0; - u32 credit_max = 0; - u16 link_percentage = 0; - u8 bw_percent = 0; - u8 i; - - if (dcb_config == NULL) { - ret_val = DCB_ERR_CONFIG; - goto out; - } - - min_credit = ((max_frame / 2) + DCB_CREDIT_QUANTUM - 1) / - DCB_CREDIT_QUANTUM; - - /* Find smallest link percentage */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[direction]; - bw_percent = dcb_config->bw_percentage[direction][p->bwg_id]; - link_percentage = p->bwg_percent; - - link_percentage = (link_percentage * bw_percent) / 100; - - if (link_percentage && link_percentage < min_percent) - min_percent = link_percentage; - } - - /* - * The ratio between traffic classes will control the bandwidth - * percentages seen on the wire. To calculate this ratio we use - * a multiplier. It is required that the refill credits must be - * larger than the max frame size so here we find the smallest - * multiplier that will allow all bandwidth percentages to be - * greater than the max frame size. - */ - min_multiplier = (min_credit / min_percent) + 1; - - /* Find out the link percentage for each TC first */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[direction]; - bw_percent = dcb_config->bw_percentage[direction][p->bwg_id]; - - link_percentage = p->bwg_percent; - /* Must be careful of integer division for very small nums */ - link_percentage = (link_percentage * bw_percent) / 100; - if (p->bwg_percent > 0 && link_percentage == 0) - link_percentage = 1; - - /* Save link_percentage for reference */ - p->link_percent = (u8)link_percentage; - - /* Calculate credit refill ratio using multiplier */ - credit_refill = min(link_percentage * min_multiplier, - MAX_CREDIT_REFILL); - p->data_credits_refill = (u16)credit_refill; - - /* Calculate maximum credit for the TC */ - credit_max = (link_percentage * MAX_CREDIT) / 100; - - /* - * Adjustment based on rule checking, if the percentage - * of a TC is too small, the maximum credit may not be - * enough to send out a jumbo frame in data plane arbitration. - */ - if (credit_max && (credit_max < min_credit)) - credit_max = min_credit; - - if (direction == DCB_TX_CONFIG) { - /* - * Adjustment based on rule checking, if the - * percentage of a TC is too small, the maximum - * credit may not be enough to send out a TSO - * packet in descriptor plane arbitration. - */ - if ((hw->mac.type == ixgbe_mac_82598EB) && - credit_max && - (credit_max < MINIMUM_CREDIT_FOR_TSO)) - credit_max = MINIMUM_CREDIT_FOR_TSO; - - dcb_config->tc_config[i].desc_credits_max = - (u16)credit_max; - } - - p->data_credits_max = (u16)credit_max; - } - -out: - return ret_val; -} - -/** - * ixgbe_dcb_hw_config - Config and enable DCB - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure dcb settings and enable dcb mode. - */ -s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - s32 ret = 0; - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - ret = ixgbe_dcb_hw_config_82598(hw, dcb_config); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - ret = ixgbe_dcb_hw_config_82599(hw, dcb_config); - break; - default: - break; - } - return ret; -} - diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h deleted file mode 100644 index 1cfe38ee164..00000000000 --- a/drivers/net/ixgbe/ixgbe_dcb.h +++ /dev/null @@ -1,166 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _DCB_CONFIG_H_ -#define _DCB_CONFIG_H_ - -#include "ixgbe_type.h" - -/* DCB data structures */ - -#define IXGBE_MAX_PACKET_BUFFERS 8 -#define MAX_USER_PRIORITY 8 -#define MAX_TRAFFIC_CLASS 8 -#define MAX_BW_GROUP 8 -#define BW_PERCENT 100 - -#define DCB_TX_CONFIG 0 -#define DCB_RX_CONFIG 1 - -/* DCB error Codes */ -#define DCB_SUCCESS 0 -#define DCB_ERR_CONFIG -1 -#define DCB_ERR_PARAM -2 - -/* Transmit and receive Errors */ -/* Error in bandwidth group allocation */ -#define DCB_ERR_BW_GROUP -3 -/* Error in traffic class bandwidth allocation */ -#define DCB_ERR_TC_BW -4 -/* Traffic class has both link strict and group strict enabled */ -#define DCB_ERR_LS_GS -5 -/* Link strict traffic class has non zero bandwidth */ -#define DCB_ERR_LS_BW_NONZERO -6 -/* Link strict bandwidth group has non zero bandwidth */ -#define DCB_ERR_LS_BWG_NONZERO -7 -/* Traffic class has zero bandwidth */ -#define DCB_ERR_TC_BW_ZERO -8 - -#define DCB_NOT_IMPLEMENTED 0x7FFFFFFF - -struct dcb_pfc_tc_debug { - u8 tc; - u8 pause_status; - u64 pause_quanta; -}; - -enum strict_prio_type { - prio_none = 0, - prio_group, - prio_link -}; - -/* DCB capability definitions */ -#define IXGBE_DCB_PG_SUPPORT 0x00000001 -#define IXGBE_DCB_PFC_SUPPORT 0x00000002 -#define IXGBE_DCB_BCN_SUPPORT 0x00000004 -#define IXGBE_DCB_UP2TC_SUPPORT 0x00000008 -#define IXGBE_DCB_GSP_SUPPORT 0x00000010 - -#define IXGBE_DCB_8_TC_SUPPORT 0x80 - -struct dcb_support { - /* DCB capabilities */ - u32 capabilities; - - /* Each bit represents a number of TCs configurable in the hw. - * If 8 traffic classes can be configured, the value is 0x80. - */ - u8 traffic_classes; - u8 pfc_traffic_classes; -}; - -/* Traffic class bandwidth allocation per direction */ -struct tc_bw_alloc { - u8 bwg_id; /* Bandwidth Group (BWG) ID */ - u8 bwg_percent; /* % of BWG's bandwidth */ - u8 link_percent; /* % of link bandwidth */ - u8 up_to_tc_bitmap; /* User Priority to Traffic Class mapping */ - u16 data_credits_refill; /* Credit refill amount in 64B granularity */ - u16 data_credits_max; /* Max credits for a configured packet buffer - * in 64B granularity.*/ - enum strict_prio_type prio_type; /* Link or Group Strict Priority */ -}; - -enum dcb_pfc_type { - pfc_disabled = 0, - pfc_enabled_full, - pfc_enabled_tx, - pfc_enabled_rx -}; - -/* Traffic class configuration */ -struct tc_configuration { - struct tc_bw_alloc path[2]; /* One each for Tx/Rx */ - enum dcb_pfc_type dcb_pfc; /* Class based flow control setting */ - - u16 desc_credits_max; /* For Tx Descriptor arbitration */ - u8 tc; /* Traffic class (TC) */ -}; - -enum dcb_rx_pba_cfg { - pba_equal, /* PBA[0-7] each use 64KB FIFO */ - pba_80_48 /* PBA[0-3] each use 80KB, PBA[4-7] each use 48KB */ -}; - -struct dcb_num_tcs { - u8 pg_tcs; - u8 pfc_tcs; -}; - -struct ixgbe_dcb_config { - struct dcb_support support; - struct dcb_num_tcs num_tcs; - struct tc_configuration tc_config[MAX_TRAFFIC_CLASS]; - u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */ - bool pfc_mode_enable; - bool round_robin_enable; - - enum dcb_rx_pba_cfg rx_pba_cfg; - - u32 dcb_cfg_version; /* Not used...OS-specific? */ - u32 link_speed; /* For bandwidth allocation validation purpose */ -}; - -/* DCB driver APIs */ - -/* DCB credits calculation */ -s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *, - struct ixgbe_dcb_config *, int, u8); - -/* DCB hw initialization */ -s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *); - -/* DCB definitions for credit calculation */ -#define DCB_CREDIT_QUANTUM 64 /* DCB Quantum */ -#define MAX_CREDIT_REFILL 511 /* 0x1FF * 64B = 32704B */ -#define DCB_MAX_TSO_SIZE (32*1024) /* MAX TSO packet size supported in DCB mode */ -#define MINIMUM_CREDIT_FOR_TSO (DCB_MAX_TSO_SIZE/64 + 1) /* 513 for 32KB TSO packet */ -#define MAX_CREDIT 4095 /* Maximum credit supported: 256KB * 1204 / 64B */ - -#endif /* _DCB_CONFIG_H */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ixgbe/ixgbe_dcb_82598.c deleted file mode 100644 index 9a5e89c12e0..00000000000 --- a/drivers/net/ixgbe/ixgbe_dcb_82598.c +++ /dev/null @@ -1,338 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include "ixgbe.h" -#include "ixgbe_type.h" -#include "ixgbe_dcb.h" -#include "ixgbe_dcb_82598.h" - -/** - * ixgbe_dcb_config_packet_buffers_82598 - Configure packet buffers - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure packet buffers for DCB mode. - */ -static s32 ixgbe_dcb_config_packet_buffers_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - s32 ret_val = 0; - u32 value = IXGBE_RXPBSIZE_64KB; - u8 i = 0; - - /* Setup Rx packet buffer sizes */ - switch (dcb_config->rx_pba_cfg) { - case pba_80_48: - /* Setup the first four at 80KB */ - value = IXGBE_RXPBSIZE_80KB; - for (; i < 4; i++) - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), value); - /* Setup the last four at 48KB...don't re-init i */ - value = IXGBE_RXPBSIZE_48KB; - /* Fall Through */ - case pba_equal: - default: - for (; i < IXGBE_MAX_PACKET_BUFFERS; i++) - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), value); - - /* Setup Tx packet buffer sizes */ - for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { - IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), - IXGBE_TXPBSIZE_40KB); - } - break; - } - - return ret_val; -} - -/** - * ixgbe_dcb_config_rx_arbiter_82598 - Config Rx data arbiter - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Rx Data Arbiter and credits for each traffic class. - */ -static s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - struct tc_bw_alloc *p; - u32 reg = 0; - u32 credit_refill = 0; - u32 credit_max = 0; - u8 i = 0; - - reg = IXGBE_READ_REG(hw, IXGBE_RUPPBMR) | IXGBE_RUPPBMR_MQA; - IXGBE_WRITE_REG(hw, IXGBE_RUPPBMR, reg); - - reg = IXGBE_READ_REG(hw, IXGBE_RMCS); - /* Enable Arbiter */ - reg &= ~IXGBE_RMCS_ARBDIS; - /* Enable Receive Recycle within the BWG */ - reg |= IXGBE_RMCS_RRM; - /* Enable Deficit Fixed Priority arbitration*/ - reg |= IXGBE_RMCS_DFP; - - IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg); - - /* Configure traffic class credits and priority */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_RX_CONFIG]; - credit_refill = p->data_credits_refill; - credit_max = p->data_credits_max; - - reg = credit_refill | (credit_max << IXGBE_RT2CR_MCL_SHIFT); - - if (p->prio_type == prio_link) - reg |= IXGBE_RT2CR_LSP; - - IXGBE_WRITE_REG(hw, IXGBE_RT2CR(i), reg); - } - - reg = IXGBE_READ_REG(hw, IXGBE_RDRXCTL); - reg |= IXGBE_RDRXCTL_RDMTS_1_2; - reg |= IXGBE_RDRXCTL_MPBEN; - reg |= IXGBE_RDRXCTL_MCEN; - IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg); - - reg = IXGBE_READ_REG(hw, IXGBE_RXCTRL); - /* Make sure there is enough descriptors before arbitration */ - reg &= ~IXGBE_RXCTRL_DMBYPS; - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg); - - return 0; -} - -/** - * ixgbe_dcb_config_tx_desc_arbiter_82598 - Config Tx Desc. arbiter - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Tx Descriptor Arbiter and credits for each traffic class. - */ -static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - struct tc_bw_alloc *p; - u32 reg, max_credits; - u8 i; - - reg = IXGBE_READ_REG(hw, IXGBE_DPMCS); - - /* Enable arbiter */ - reg &= ~IXGBE_DPMCS_ARBDIS; - if (!(dcb_config->round_robin_enable)) { - /* Enable DFP and Recycle mode */ - reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); - } - reg |= IXGBE_DPMCS_TSOEF; - /* Configure Max TSO packet size 34KB including payload and headers */ - reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT); - - IXGBE_WRITE_REG(hw, IXGBE_DPMCS, reg); - - /* Configure traffic class credits and priority */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - max_credits = dcb_config->tc_config[i].desc_credits_max; - reg = max_credits << IXGBE_TDTQ2TCCR_MCL_SHIFT; - reg |= p->data_credits_refill; - reg |= (u32)(p->bwg_id) << IXGBE_TDTQ2TCCR_BWG_SHIFT; - - if (p->prio_type == prio_group) - reg |= IXGBE_TDTQ2TCCR_GSP; - - if (p->prio_type == prio_link) - reg |= IXGBE_TDTQ2TCCR_LSP; - - IXGBE_WRITE_REG(hw, IXGBE_TDTQ2TCCR(i), reg); - } - - return 0; -} - -/** - * ixgbe_dcb_config_tx_data_arbiter_82598 - Config Tx data arbiter - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Tx Data Arbiter and credits for each traffic class. - */ -static s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - struct tc_bw_alloc *p; - u32 reg; - u8 i; - - reg = IXGBE_READ_REG(hw, IXGBE_PDPMCS); - /* Enable Data Plane Arbiter */ - reg &= ~IXGBE_PDPMCS_ARBDIS; - /* Enable DFP and Transmit Recycle Mode */ - reg |= (IXGBE_PDPMCS_TPPAC | IXGBE_PDPMCS_TRM); - - IXGBE_WRITE_REG(hw, IXGBE_PDPMCS, reg); - - /* Configure traffic class credits and priority */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - reg = p->data_credits_refill; - reg |= (u32)(p->data_credits_max) << IXGBE_TDPT2TCCR_MCL_SHIFT; - reg |= (u32)(p->bwg_id) << IXGBE_TDPT2TCCR_BWG_SHIFT; - - if (p->prio_type == prio_group) - reg |= IXGBE_TDPT2TCCR_GSP; - - if (p->prio_type == prio_link) - reg |= IXGBE_TDPT2TCCR_LSP; - - IXGBE_WRITE_REG(hw, IXGBE_TDPT2TCCR(i), reg); - } - - /* Enable Tx packet buffer division */ - reg = IXGBE_READ_REG(hw, IXGBE_DTXCTL); - reg |= IXGBE_DTXCTL_ENDBUBD; - IXGBE_WRITE_REG(hw, IXGBE_DTXCTL, reg); - - return 0; -} - -/** - * ixgbe_dcb_config_pfc_82598 - Config priority flow control - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Priority Flow Control for each traffic class. - */ -s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - u32 reg, rx_pba_size; - u8 i; - - if (!dcb_config->pfc_mode_enable) - goto out; - - /* Enable Transmit Priority Flow Control */ - reg = IXGBE_READ_REG(hw, IXGBE_RMCS); - reg &= ~IXGBE_RMCS_TFCE_802_3X; - /* correct the reporting of our flow control status */ - reg |= IXGBE_RMCS_TFCE_PRIORITY; - IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg); - - /* Enable Receive Priority Flow Control */ - reg = IXGBE_READ_REG(hw, IXGBE_FCTRL); - reg &= ~IXGBE_FCTRL_RFCE; - reg |= IXGBE_FCTRL_RPFCE; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg); - - /* - * Configure flow control thresholds and enable priority flow control - * for each traffic class. - */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); - rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; - reg = (rx_pba_size - hw->fc.low_water) << 10; - - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full) - reg |= IXGBE_FCRTL_XONE; - - IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), reg); - - reg = (rx_pba_size - hw->fc.high_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full) - reg |= IXGBE_FCRTH_FCEN; - - IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), reg); - } - - /* Configure pause time */ - for (i = 0; i < (MAX_TRAFFIC_CLASS >> 1); i++) - IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), 0x68006800); - - /* Configure flow control refresh threshold value */ - IXGBE_WRITE_REG(hw, IXGBE_FCRTV, 0x3400); - -out: - return 0; -} - -/** - * ixgbe_dcb_config_tc_stats_82598 - Configure traffic class statistics - * @hw: pointer to hardware structure - * - * Configure queue statistics registers, all queues belonging to same traffic - * class uses a single set of queue statistics counters. - */ -static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) -{ - u32 reg = 0; - u8 i = 0; - u8 j = 0; - - /* Receive Queues stats setting - 8 queues per statistics reg */ - for (i = 0, j = 0; i < 15 && j < 8; i = i + 2, j++) { - reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(i)); - reg |= ((0x1010101) * j); - IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i), reg); - reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(i + 1)); - reg |= ((0x1010101) * j); - IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i + 1), reg); - } - /* Transmit Queues stats setting - 4 queues per statistics reg */ - for (i = 0; i < 8; i++) { - reg = IXGBE_READ_REG(hw, IXGBE_TQSMR(i)); - reg |= ((0x1010101) * i); - IXGBE_WRITE_REG(hw, IXGBE_TQSMR(i), reg); - } - - return 0; -} - -/** - * ixgbe_dcb_hw_config_82598 - Config and enable DCB - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure dcb settings and enable dcb mode. - */ -s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - ixgbe_dcb_config_packet_buffers_82598(hw, dcb_config); - ixgbe_dcb_config_rx_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_tx_desc_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_tx_data_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_pfc_82598(hw, dcb_config); - ixgbe_dcb_config_tc_stats_82598(hw); - - return 0; -} diff --git a/drivers/net/ixgbe/ixgbe_dcb_82598.h b/drivers/net/ixgbe/ixgbe_dcb_82598.h deleted file mode 100644 index abc03ccfa08..00000000000 --- a/drivers/net/ixgbe/ixgbe_dcb_82598.h +++ /dev/null @@ -1,79 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _DCB_82598_CONFIG_H_ -#define _DCB_82598_CONFIG_H_ - -/* DCB register definitions */ - -#define IXGBE_DPMCS_MTSOS_SHIFT 16 -#define IXGBE_DPMCS_TDPAC 0x00000001 /* 0 Round Robin, 1 DFP - Deficit Fixed Priority */ -#define IXGBE_DPMCS_TRM 0x00000010 /* Transmit Recycle Mode */ -#define IXGBE_DPMCS_ARBDIS 0x00000040 /* DCB arbiter disable */ -#define IXGBE_DPMCS_TSOEF 0x00080000 /* TSO Expand Factor: 0=x4, 1=x2 */ - -#define IXGBE_RUPPBMR_MQA 0x80000000 /* Enable UP to queue mapping */ - -#define IXGBE_RT2CR_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */ -#define IXGBE_RT2CR_LSP 0x80000000 /* LSP enable bit */ - -#define IXGBE_RDRXCTL_MPBEN 0x00000010 /* DMA config for multiple packet buffers enable */ -#define IXGBE_RDRXCTL_MCEN 0x00000040 /* DMA config for multiple cores (RSS) enable */ - -#define IXGBE_TDTQ2TCCR_MCL_SHIFT 12 -#define IXGBE_TDTQ2TCCR_BWG_SHIFT 9 -#define IXGBE_TDTQ2TCCR_GSP 0x40000000 -#define IXGBE_TDTQ2TCCR_LSP 0x80000000 - -#define IXGBE_TDPT2TCCR_MCL_SHIFT 12 -#define IXGBE_TDPT2TCCR_BWG_SHIFT 9 -#define IXGBE_TDPT2TCCR_GSP 0x40000000 -#define IXGBE_TDPT2TCCR_LSP 0x80000000 - -#define IXGBE_PDPMCS_TPPAC 0x00000020 /* 0 Round Robin, 1 for DFP - Deficit Fixed Priority */ -#define IXGBE_PDPMCS_ARBDIS 0x00000040 /* Arbiter disable */ -#define IXGBE_PDPMCS_TRM 0x00000100 /* Transmit Recycle Mode enable */ - -#define IXGBE_DTXCTL_ENDBUBD 0x00000004 /* Enable DBU buffer division */ - -#define IXGBE_TXPBSIZE_40KB 0x0000A000 /* 40KB Packet Buffer */ -#define IXGBE_RXPBSIZE_48KB 0x0000C000 /* 48KB Packet Buffer */ -#define IXGBE_RXPBSIZE_64KB 0x00010000 /* 64KB Packet Buffer */ -#define IXGBE_RXPBSIZE_80KB 0x00014000 /* 80KB Packet Buffer */ - -#define IXGBE_RDRXCTL_RDMTS_1_2 0x00000000 - -/* DCB hardware-specific driver APIs */ - -/* DCB PFC functions */ -s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *, struct ixgbe_dcb_config *); - -/* DCB hw initialization */ -s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *, struct ixgbe_dcb_config *); - -#endif /* _DCB_82598_CONFIG_H */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c deleted file mode 100644 index 374e1f74d0f..00000000000 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.c +++ /dev/null @@ -1,426 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include "ixgbe.h" -#include "ixgbe_type.h" -#include "ixgbe_dcb.h" -#include "ixgbe_dcb_82599.h" - -/** - * ixgbe_dcb_config_packet_buffers_82599 - Configure DCB packet buffers - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure packet buffers for DCB mode. - */ -static s32 ixgbe_dcb_config_packet_buffers_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - s32 ret_val = 0; - u32 value = IXGBE_RXPBSIZE_64KB; - u8 i = 0; - - /* Setup Rx packet buffer sizes */ - switch (dcb_config->rx_pba_cfg) { - case pba_80_48: - /* Setup the first four at 80KB */ - value = IXGBE_RXPBSIZE_80KB; - for (; i < 4; i++) - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), value); - /* Setup the last four at 48KB...don't re-init i */ - value = IXGBE_RXPBSIZE_48KB; - /* Fall Through */ - case pba_equal: - default: - for (; i < IXGBE_MAX_PACKET_BUFFERS; i++) - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), value); - - /* Setup Tx packet buffer sizes */ - for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { - IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), - IXGBE_TXPBSIZE_20KB); - IXGBE_WRITE_REG(hw, IXGBE_TXPBTHRESH(i), - IXGBE_TXPBTHRESH_DCB); - } - break; - } - - return ret_val; -} - -/** - * ixgbe_dcb_config_rx_arbiter_82599 - Config Rx Data arbiter - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Rx Packet Arbiter and credits for each traffic class. - */ -static s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - struct tc_bw_alloc *p; - u32 reg = 0; - u32 credit_refill = 0; - u32 credit_max = 0; - u8 i = 0; - - /* - * Disable the arbiter before changing parameters - * (always enable recycle mode; WSP) - */ - reg = IXGBE_RTRPCS_RRM | IXGBE_RTRPCS_RAC | IXGBE_RTRPCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, reg); - - /* Map all traffic classes to their UP, 1 to 1 */ - reg = 0; - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) - reg |= (i << (i * IXGBE_RTRUP2TC_UP_SHIFT)); - IXGBE_WRITE_REG(hw, IXGBE_RTRUP2TC, reg); - - /* Configure traffic class credits and priority */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_RX_CONFIG]; - - credit_refill = p->data_credits_refill; - credit_max = p->data_credits_max; - reg = credit_refill | (credit_max << IXGBE_RTRPT4C_MCL_SHIFT); - - reg |= (u32)(p->bwg_id) << IXGBE_RTRPT4C_BWG_SHIFT; - - if (p->prio_type == prio_link) - reg |= IXGBE_RTRPT4C_LSP; - - IXGBE_WRITE_REG(hw, IXGBE_RTRPT4C(i), reg); - } - - /* - * Configure Rx packet plane (recycle mode; WSP) and - * enable arbiter - */ - reg = IXGBE_RTRPCS_RRM | IXGBE_RTRPCS_RAC; - IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, reg); - - return 0; -} - -/** - * ixgbe_dcb_config_tx_desc_arbiter_82599 - Config Tx Desc. arbiter - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Tx Descriptor Arbiter and credits for each traffic class. - */ -static s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - struct tc_bw_alloc *p; - u32 reg, max_credits; - u8 i; - - /* Clear the per-Tx queue credits; we use per-TC instead */ - for (i = 0; i < 128; i++) { - IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, i); - IXGBE_WRITE_REG(hw, IXGBE_RTTDT1C, 0); - } - - /* Configure traffic class credits and priority */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - max_credits = dcb_config->tc_config[i].desc_credits_max; - reg = max_credits << IXGBE_RTTDT2C_MCL_SHIFT; - reg |= p->data_credits_refill; - reg |= (u32)(p->bwg_id) << IXGBE_RTTDT2C_BWG_SHIFT; - - if (p->prio_type == prio_group) - reg |= IXGBE_RTTDT2C_GSP; - - if (p->prio_type == prio_link) - reg |= IXGBE_RTTDT2C_LSP; - - IXGBE_WRITE_REG(hw, IXGBE_RTTDT2C(i), reg); - } - - /* - * Configure Tx descriptor plane (recycle mode; WSP) and - * enable arbiter - */ - reg = IXGBE_RTTDCS_TDPAC | IXGBE_RTTDCS_TDRM; - IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg); - - return 0; -} - -/** - * ixgbe_dcb_config_tx_data_arbiter_82599 - Config Tx Data arbiter - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Tx Packet Arbiter and credits for each traffic class. - */ -static s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - struct tc_bw_alloc *p; - u32 reg; - u8 i; - - /* - * Disable the arbiter before changing parameters - * (always enable recycle mode; SP; arb delay) - */ - reg = IXGBE_RTTPCS_TPPAC | IXGBE_RTTPCS_TPRM | - (IXGBE_RTTPCS_ARBD_DCB << IXGBE_RTTPCS_ARBD_SHIFT) | - IXGBE_RTTPCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTTPCS, reg); - - /* Map all traffic classes to their UP, 1 to 1 */ - reg = 0; - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) - reg |= (i << (i * IXGBE_RTTUP2TC_UP_SHIFT)); - IXGBE_WRITE_REG(hw, IXGBE_RTTUP2TC, reg); - - /* Configure traffic class credits and priority */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - reg = p->data_credits_refill; - reg |= (u32)(p->data_credits_max) << IXGBE_RTTPT2C_MCL_SHIFT; - reg |= (u32)(p->bwg_id) << IXGBE_RTTPT2C_BWG_SHIFT; - - if (p->prio_type == prio_group) - reg |= IXGBE_RTTPT2C_GSP; - - if (p->prio_type == prio_link) - reg |= IXGBE_RTTPT2C_LSP; - - IXGBE_WRITE_REG(hw, IXGBE_RTTPT2C(i), reg); - } - - /* - * Configure Tx packet plane (recycle mode; SP; arb delay) and - * enable arbiter - */ - reg = IXGBE_RTTPCS_TPPAC | IXGBE_RTTPCS_TPRM | - (IXGBE_RTTPCS_ARBD_DCB << IXGBE_RTTPCS_ARBD_SHIFT); - IXGBE_WRITE_REG(hw, IXGBE_RTTPCS, reg); - - return 0; -} - -/** - * ixgbe_dcb_config_pfc_82599 - Configure priority flow control - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure Priority Flow Control (PFC) for each traffic class. - */ -s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - u32 i, reg, rx_pba_size; - - /* If PFC is disabled globally then fall back to LFC. */ - if (!dcb_config->pfc_mode_enable) { - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) - hw->mac.ops.fc_enable(hw, i); - goto out; - } - - /* Configure PFC Tx thresholds per TC */ - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); - rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; - - reg = (rx_pba_size - hw->fc.low_water) << 10; - - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) - reg |= IXGBE_FCRTL_XONE; - IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg); - - reg = (rx_pba_size - hw->fc.high_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) - reg |= IXGBE_FCRTH_FCEN; - IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), reg); - } - - /* Configure pause time (2 TCs per register) */ - reg = hw->fc.pause_time | (hw->fc.pause_time << 16); - for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++) - IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg); - - /* Configure flow control refresh threshold value */ - IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2); - - /* Enable Transmit PFC */ - reg = IXGBE_FCCFG_TFCE_PRIORITY; - IXGBE_WRITE_REG(hw, IXGBE_FCCFG, reg); - - /* - * Enable Receive PFC - * We will always honor XOFF frames we receive when - * we are in PFC mode. - */ - reg = IXGBE_READ_REG(hw, IXGBE_MFLCN); - reg &= ~IXGBE_MFLCN_RFCE; - reg |= IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_DPF; - IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg); -out: - return 0; -} - -/** - * ixgbe_dcb_config_tc_stats_82599 - Config traffic class statistics - * @hw: pointer to hardware structure - * - * Configure queue statistics registers, all queues belonging to same traffic - * class uses a single set of queue statistics counters. - */ -static s32 ixgbe_dcb_config_tc_stats_82599(struct ixgbe_hw *hw) -{ - u32 reg = 0; - u8 i = 0; - - /* - * Receive Queues stats setting - * 32 RQSMR registers, each configuring 4 queues. - * Set all 16 queues of each TC to the same stat - * with TC 'n' going to stat 'n'. - */ - for (i = 0; i < 32; i++) { - reg = 0x01010101 * (i / 4); - IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i), reg); - } - /* - * Transmit Queues stats setting - * 32 TQSM registers, each controlling 4 queues. - * Set all queues of each TC to the same stat - * with TC 'n' going to stat 'n'. - * Tx queues are allocated non-uniformly to TCs: - * 32, 32, 16, 16, 8, 8, 8, 8. - */ - for (i = 0; i < 32; i++) { - if (i < 8) - reg = 0x00000000; - else if (i < 16) - reg = 0x01010101; - else if (i < 20) - reg = 0x02020202; - else if (i < 24) - reg = 0x03030303; - else if (i < 26) - reg = 0x04040404; - else if (i < 28) - reg = 0x05050505; - else if (i < 30) - reg = 0x06060606; - else - reg = 0x07070707; - IXGBE_WRITE_REG(hw, IXGBE_TQSM(i), reg); - } - - return 0; -} - -/** - * ixgbe_dcb_config_82599 - Configure general DCB parameters - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure general DCB parameters. - */ -static s32 ixgbe_dcb_config_82599(struct ixgbe_hw *hw) -{ - u32 reg; - u32 q; - - /* Disable the Tx desc arbiter so that MTQC can be changed */ - reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS); - reg |= IXGBE_RTTDCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg); - - /* Enable DCB for Rx with 8 TCs */ - reg = IXGBE_READ_REG(hw, IXGBE_MRQC); - switch (reg & IXGBE_MRQC_MRQE_MASK) { - case 0: - case IXGBE_MRQC_RT4TCEN: - /* RSS disabled cases */ - reg = (reg & ~IXGBE_MRQC_MRQE_MASK) | IXGBE_MRQC_RT8TCEN; - break; - case IXGBE_MRQC_RSSEN: - case IXGBE_MRQC_RTRSS4TCEN: - /* RSS enabled cases */ - reg = (reg & ~IXGBE_MRQC_MRQE_MASK) | IXGBE_MRQC_RTRSS8TCEN; - break; - default: - /* Unsupported value, assume stale data, overwrite no RSS */ - reg = (reg & ~IXGBE_MRQC_MRQE_MASK) | IXGBE_MRQC_RT8TCEN; - } - IXGBE_WRITE_REG(hw, IXGBE_MRQC, reg); - - /* Enable DCB for Tx with 8 TCs */ - reg = IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ; - IXGBE_WRITE_REG(hw, IXGBE_MTQC, reg); - - /* Disable drop for all queues */ - for (q = 0; q < 128; q++) - IXGBE_WRITE_REG(hw, IXGBE_QDE, q << IXGBE_QDE_IDX_SHIFT); - - /* Enable the Tx desc arbiter */ - reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS); - reg &= ~IXGBE_RTTDCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg); - - /* Enable Security TX Buffer IFG for DCB */ - reg = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG); - reg |= IXGBE_SECTX_DCB; - IXGBE_WRITE_REG(hw, IXGBE_SECTXMINIFG, reg); - - return 0; -} - -/** - * ixgbe_dcb_hw_config_82599 - Configure and enable DCB - * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure - * - * Configure dcb settings and enable dcb mode. - */ -s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) -{ - ixgbe_dcb_config_packet_buffers_82599(hw, dcb_config); - ixgbe_dcb_config_82599(hw); - ixgbe_dcb_config_rx_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_tx_desc_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_tx_data_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_pfc_82599(hw, dcb_config); - ixgbe_dcb_config_tc_stats_82599(hw); - - return 0; -} - diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.h b/drivers/net/ixgbe/ixgbe_dcb_82599.h deleted file mode 100644 index 3841649fb95..00000000000 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.h +++ /dev/null @@ -1,112 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _DCB_82599_CONFIG_H_ -#define _DCB_82599_CONFIG_H_ - -/* DCB register definitions */ -#define IXGBE_RTTDCS_TDPAC 0x00000001 /* 0 Round Robin, - * 1 WSP - Weighted Strict Priority - */ -#define IXGBE_RTTDCS_VMPAC 0x00000002 /* 0 Round Robin, - * 1 WRR - Weighted Round Robin - */ -#define IXGBE_RTTDCS_TDRM 0x00000010 /* Transmit Recycle Mode */ -#define IXGBE_RTTDCS_ARBDIS 0x00000040 /* DCB arbiter disable */ -#define IXGBE_RTTDCS_BDPM 0x00400000 /* Bypass Data Pipe - must clear! */ -#define IXGBE_RTTDCS_BPBFSM 0x00800000 /* Bypass PB Free Space - must - * clear! - */ -#define IXGBE_RTTDCS_SPEED_CHG 0x80000000 /* Link speed change */ - -/* Receive UP2TC mapping */ -#define IXGBE_RTRUP2TC_UP_SHIFT 3 -/* Transmit UP2TC mapping */ -#define IXGBE_RTTUP2TC_UP_SHIFT 3 - -#define IXGBE_RTRPT4C_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */ -#define IXGBE_RTRPT4C_BWG_SHIFT 9 /* Offset to BWG index */ -#define IXGBE_RTRPT4C_GSP 0x40000000 /* GSP enable bit */ -#define IXGBE_RTRPT4C_LSP 0x80000000 /* LSP enable bit */ - -#define IXGBE_RDRXCTL_MPBEN 0x00000010 /* DMA config for multiple packet - * buffers enable - */ -#define IXGBE_RDRXCTL_MCEN 0x00000040 /* DMA config for multiple cores - * (RSS) enable - */ - -/* RTRPCS Bit Masks */ -#define IXGBE_RTRPCS_RRM 0x00000002 /* Receive Recycle Mode enable */ -/* Receive Arbitration Control: 0 Round Robin, 1 DFP */ -#define IXGBE_RTRPCS_RAC 0x00000004 -#define IXGBE_RTRPCS_ARBDIS 0x00000040 /* Arbitration disable bit */ - -/* RTTDT2C Bit Masks */ -#define IXGBE_RTTDT2C_MCL_SHIFT 12 -#define IXGBE_RTTDT2C_BWG_SHIFT 9 -#define IXGBE_RTTDT2C_GSP 0x40000000 -#define IXGBE_RTTDT2C_LSP 0x80000000 - -#define IXGBE_RTTPT2C_MCL_SHIFT 12 -#define IXGBE_RTTPT2C_BWG_SHIFT 9 -#define IXGBE_RTTPT2C_GSP 0x40000000 -#define IXGBE_RTTPT2C_LSP 0x80000000 - -/* RTTPCS Bit Masks */ -#define IXGBE_RTTPCS_TPPAC 0x00000020 /* 0 Round Robin, - * 1 SP - Strict Priority - */ -#define IXGBE_RTTPCS_ARBDIS 0x00000040 /* Arbiter disable */ -#define IXGBE_RTTPCS_TPRM 0x00000100 /* Transmit Recycle Mode enable */ -#define IXGBE_RTTPCS_ARBD_SHIFT 22 -#define IXGBE_RTTPCS_ARBD_DCB 0x4 /* Arbitration delay in DCB mode */ - -#define IXGBE_TXPBSIZE_20KB 0x00005000 /* 20KB Packet Buffer */ -#define IXGBE_TXPBSIZE_40KB 0x0000A000 /* 40KB Packet Buffer */ -#define IXGBE_RXPBSIZE_48KB 0x0000C000 /* 48KB Packet Buffer */ -#define IXGBE_RXPBSIZE_64KB 0x00010000 /* 64KB Packet Buffer */ -#define IXGBE_RXPBSIZE_80KB 0x00014000 /* 80KB Packet Buffer */ -#define IXGBE_RXPBSIZE_128KB 0x00020000 /* 128KB Packet Buffer */ - -#define IXGBE_TXPBTHRESH_DCB 0xA /* THRESH value for DCB mode */ - -/* SECTXMINIFG DCB */ -#define IXGBE_SECTX_DCB 0x00001F00 /* DCB TX Buffer IFG */ - - -/* DCB hardware-specific driver APIs */ - -/* DCB PFC functions */ -s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config); - -/* DCB hw initialization */ -s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *config); - -#endif /* _DCB_82599_CONFIG_H */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c deleted file mode 100644 index bf566e8a455..00000000000 --- a/drivers/net/ixgbe/ixgbe_dcb_nl.c +++ /dev/null @@ -1,617 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include "ixgbe.h" -#include <linux/dcbnl.h> -#include "ixgbe_dcb_82598.h" -#include "ixgbe_dcb_82599.h" - -/* Callbacks for DCB netlink in the kernel */ -#define BIT_DCB_MODE 0x01 -#define BIT_PFC 0x02 -#define BIT_PG_RX 0x04 -#define BIT_PG_TX 0x08 -#define BIT_APP_UPCHG 0x10 -#define BIT_RESETLINK 0x40 -#define BIT_LINKSPEED 0x80 - -/* Responses for the DCB_C_SET_ALL command */ -#define DCB_HW_CHG_RST 0 /* DCB configuration changed with reset */ -#define DCB_NO_HW_CHG 1 /* DCB configuration did not change */ -#define DCB_HW_CHG 2 /* DCB configuration changed, no reset */ - -int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, - struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max) -{ - struct tc_configuration *src_tc_cfg = NULL; - struct tc_configuration *dst_tc_cfg = NULL; - int i; - - if (!src_dcb_cfg || !dst_dcb_cfg) - return -EINVAL; - - for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) { - src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; - dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; - - dst_tc_cfg->path[DCB_TX_CONFIG].prio_type = - src_tc_cfg->path[DCB_TX_CONFIG].prio_type; - - dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id = - src_tc_cfg->path[DCB_TX_CONFIG].bwg_id; - - dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent = - src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent; - - dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap = - src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap; - - dst_tc_cfg->path[DCB_RX_CONFIG].prio_type = - src_tc_cfg->path[DCB_RX_CONFIG].prio_type; - - dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id = - src_tc_cfg->path[DCB_RX_CONFIG].bwg_id; - - dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent = - src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent; - - dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap = - src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap; - } - - for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) { - dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG] - [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage - [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; - dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG] - [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage - [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; - } - - for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) { - dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc = - src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc; - } - - dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable; - - return 0; -} - -static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED); -} - -static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) -{ - u8 err = 0; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - if (state > 0) { - /* Turn on DCB */ - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) - goto out; - - if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) { - e_err(drv, "Enable failed, needs MSI-X\n"); - err = 1; - goto out; - } - - if (netif_running(netdev)) - netdev->netdev_ops->ndo_stop(netdev); - ixgbe_clear_interrupt_scheme(adapter); - - adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - adapter->last_lfc_mode = adapter->hw.fc.current_mode; - adapter->hw.fc.requested_mode = ixgbe_fc_none; - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; - adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; - break; - default: - break; - } - - adapter->flags |= IXGBE_FLAG_DCB_ENABLED; - ixgbe_init_interrupt_scheme(adapter); - if (netif_running(netdev)) - netdev->netdev_ops->ndo_open(netdev); - } else { - /* Turn off DCB */ - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - if (netif_running(netdev)) - netdev->netdev_ops->ndo_stop(netdev); - ixgbe_clear_interrupt_scheme(adapter); - - adapter->hw.fc.requested_mode = adapter->last_lfc_mode; - adapter->temp_dcb_cfg.pfc_mode_enable = false; - adapter->dcb_cfg.pfc_mode_enable = false; - adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; - adapter->flags |= IXGBE_FLAG_RSS_ENABLED; - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; - break; - default: - break; - } - - ixgbe_init_interrupt_scheme(adapter); - if (netif_running(netdev)) - netdev->netdev_ops->ndo_open(netdev); - } - } -out: - return err; -} - -static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev, - u8 *perm_addr) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - int i, j; - - memset(perm_addr, 0xff, MAX_ADDR_LEN); - - for (i = 0; i < netdev->addr_len; i++) - perm_addr[i] = adapter->hw.mac.perm_addr[i]; - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - for (j = 0; j < netdev->addr_len; j++, i++) - perm_addr[i] = adapter->hw.mac.san_addr[j]; - break; - default: - break; - } -} - -static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, - u8 prio, u8 bwg_id, u8 bw_pct, - u8 up_map) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - if (prio != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio; - if (bwg_id != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id; - if (bw_pct != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent = - bw_pct; - if (up_map != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap = - up_map; - - if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type != - adapter->dcb_cfg.tc_config[tc].path[0].prio_type) || - (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id != - adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) || - (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent != - adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) || - (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) { - adapter->dcb_set_bitmap |= BIT_PG_TX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } -} - -static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, - u8 bw_pct) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct; - - if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] != - adapter->dcb_cfg.bw_percentage[0][bwg_id]) { - adapter->dcb_set_bitmap |= BIT_PG_TX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } -} - -static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, - u8 prio, u8 bwg_id, u8 bw_pct, - u8 up_map) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - if (prio != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio; - if (bwg_id != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id; - if (bw_pct != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent = - bw_pct; - if (up_map != DCB_ATTR_VALUE_UNDEFINED) - adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap = - up_map; - - if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type != - adapter->dcb_cfg.tc_config[tc].path[1].prio_type) || - (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id != - adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) || - (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent != - adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) || - (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) { - adapter->dcb_set_bitmap |= BIT_PG_RX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } -} - -static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, - u8 bw_pct) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct; - - if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] != - adapter->dcb_cfg.bw_percentage[1][bwg_id]) { - adapter->dcb_set_bitmap |= BIT_PG_RX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } -} - -static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, - u8 *prio, u8 *bwg_id, u8 *bw_pct, - u8 *up_map) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - *prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type; - *bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id; - *bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent; - *up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap; -} - -static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, - u8 *bw_pct) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - *bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id]; -} - -static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc, - u8 *prio, u8 *bwg_id, u8 *bw_pct, - u8 *up_map) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - *prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type; - *bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id; - *bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent; - *up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap; -} - -static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, - u8 *bw_pct) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - *bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id]; -} - -static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, - u8 setting) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting; - if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc != - adapter->dcb_cfg.tc_config[priority].dcb_pfc) { - adapter->dcb_set_bitmap |= BIT_PFC; - adapter->temp_dcb_cfg.pfc_mode_enable = true; - } -} - -static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, - u8 *setting) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - *setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc; -} - -static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - int ret; - - if (!adapter->dcb_set_bitmap) - return DCB_NO_HW_CHG; - - ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg, - adapter->ring_feature[RING_F_DCB].indices); - - if (ret) - return DCB_NO_HW_CHG; - - /* - * Only take down the adapter if the configuration change - * requires a reset. - */ - if (adapter->dcb_set_bitmap & BIT_RESETLINK) { - while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) - msleep(1); - - if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { - if (netif_running(netdev)) - netdev->netdev_ops->ndo_stop(netdev); - ixgbe_clear_interrupt_scheme(adapter); - } else { - if (netif_running(netdev)) - ixgbe_down(adapter); - } - } - - if (adapter->dcb_cfg.pfc_mode_enable) { - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - if (adapter->hw.fc.current_mode != ixgbe_fc_pfc) - adapter->last_lfc_mode = - adapter->hw.fc.current_mode; - break; - default: - break; - } - adapter->hw.fc.requested_mode = ixgbe_fc_pfc; - } else { - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - adapter->hw.fc.requested_mode = ixgbe_fc_none; - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - adapter->hw.fc.requested_mode = adapter->last_lfc_mode; - break; - default: - break; - } - } - - if (adapter->dcb_set_bitmap & BIT_RESETLINK) { - if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { - ixgbe_init_interrupt_scheme(adapter); - if (netif_running(netdev)) - netdev->netdev_ops->ndo_open(netdev); - } else { - if (netif_running(netdev)) - ixgbe_up(adapter); - } - ret = DCB_HW_CHG_RST; - } else if (adapter->dcb_set_bitmap & BIT_PFC) { - if (adapter->hw.mac.type == ixgbe_mac_82598EB) - ixgbe_dcb_config_pfc_82598(&adapter->hw, - &adapter->dcb_cfg); - else if (adapter->hw.mac.type == ixgbe_mac_82599EB) - ixgbe_dcb_config_pfc_82599(&adapter->hw, - &adapter->dcb_cfg); - ret = DCB_HW_CHG; - } - if (adapter->dcb_cfg.pfc_mode_enable) - adapter->hw.fc.current_mode = ixgbe_fc_pfc; - - if (adapter->dcb_set_bitmap & BIT_RESETLINK) - clear_bit(__IXGBE_RESETTING, &adapter->state); - adapter->dcb_set_bitmap = 0x00; - return ret; -} - -static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - u8 rval = 0; - - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - switch (capid) { - case DCB_CAP_ATTR_PG: - *cap = true; - break; - case DCB_CAP_ATTR_PFC: - *cap = true; - break; - case DCB_CAP_ATTR_UP2TC: - *cap = false; - break; - case DCB_CAP_ATTR_PG_TCS: - *cap = 0x80; - break; - case DCB_CAP_ATTR_PFC_TCS: - *cap = 0x80; - break; - case DCB_CAP_ATTR_GSP: - *cap = true; - break; - case DCB_CAP_ATTR_BCN: - *cap = false; - break; - default: - rval = -EINVAL; - break; - } - } else { - rval = -EINVAL; - } - - return rval; -} - -static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - u8 rval = 0; - - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - switch (tcid) { - case DCB_NUMTCS_ATTR_PG: - *num = MAX_TRAFFIC_CLASS; - break; - case DCB_NUMTCS_ATTR_PFC: - *num = MAX_TRAFFIC_CLASS; - break; - default: - rval = -EINVAL; - break; - } - } else { - rval = -EINVAL; - } - - return rval; -} - -static u8 ixgbe_dcbnl_setnumtcs(struct net_device *netdev, int tcid, u8 num) -{ - return -EINVAL; -} - -static u8 ixgbe_dcbnl_getpfcstate(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - return adapter->dcb_cfg.pfc_mode_enable; -} - -static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - adapter->temp_dcb_cfg.pfc_mode_enable = state; - if (adapter->temp_dcb_cfg.pfc_mode_enable != - adapter->dcb_cfg.pfc_mode_enable) - adapter->dcb_set_bitmap |= BIT_PFC; -} - -/** - * ixgbe_dcbnl_getapp - retrieve the DCBX application user priority - * @netdev : the corresponding netdev - * @idtype : identifies the id as ether type or TCP/UDP port number - * @id: id is either ether type or TCP/UDP port number - * - * Returns : on success, returns a non-zero 802.1p user priority bitmap - * otherwise returns 0 as the invalid user priority bitmap to indicate an - * error. - */ -static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) -{ - u8 rval = 0; - - switch (idtype) { - case DCB_APP_IDTYPE_ETHTYPE: -#ifdef IXGBE_FCOE - if (id == ETH_P_FCOE) - rval = ixgbe_fcoe_getapp(netdev_priv(netdev)); -#endif - break; - case DCB_APP_IDTYPE_PORTNUM: - break; - default: - break; - } - return rval; -} - -/** - * ixgbe_dcbnl_setapp - set the DCBX application user priority - * @netdev : the corresponding netdev - * @idtype : identifies the id as ether type or TCP/UDP port number - * @id: id is either ether type or TCP/UDP port number - * @up: the 802.1p user priority bitmap - * - * Returns : 0 on success or 1 on error - */ -static u8 ixgbe_dcbnl_setapp(struct net_device *netdev, - u8 idtype, u16 id, u8 up) -{ - u8 rval = 1; - - switch (idtype) { - case DCB_APP_IDTYPE_ETHTYPE: -#ifdef IXGBE_FCOE - if (id == ETH_P_FCOE) { - u8 tc; - struct ixgbe_adapter *adapter; - - adapter = netdev_priv(netdev); - tc = adapter->fcoe.tc; - rval = ixgbe_fcoe_setapp(adapter, up); - if ((!rval) && (tc != adapter->fcoe.tc) && - (adapter->flags & IXGBE_FLAG_DCB_ENABLED) && - (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) { - adapter->dcb_set_bitmap |= BIT_APP_UPCHG; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } - } -#endif - break; - case DCB_APP_IDTYPE_PORTNUM: - break; - default: - break; - } - return rval; -} - -const struct dcbnl_rtnl_ops dcbnl_ops = { - .getstate = ixgbe_dcbnl_get_state, - .setstate = ixgbe_dcbnl_set_state, - .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr, - .setpgtccfgtx = ixgbe_dcbnl_set_pg_tc_cfg_tx, - .setpgbwgcfgtx = ixgbe_dcbnl_set_pg_bwg_cfg_tx, - .setpgtccfgrx = ixgbe_dcbnl_set_pg_tc_cfg_rx, - .setpgbwgcfgrx = ixgbe_dcbnl_set_pg_bwg_cfg_rx, - .getpgtccfgtx = ixgbe_dcbnl_get_pg_tc_cfg_tx, - .getpgbwgcfgtx = ixgbe_dcbnl_get_pg_bwg_cfg_tx, - .getpgtccfgrx = ixgbe_dcbnl_get_pg_tc_cfg_rx, - .getpgbwgcfgrx = ixgbe_dcbnl_get_pg_bwg_cfg_rx, - .setpfccfg = ixgbe_dcbnl_set_pfc_cfg, - .getpfccfg = ixgbe_dcbnl_get_pfc_cfg, - .setall = ixgbe_dcbnl_set_all, - .getcap = ixgbe_dcbnl_getcap, - .getnumtcs = ixgbe_dcbnl_getnumtcs, - .setnumtcs = ixgbe_dcbnl_setnumtcs, - .getpfcstate = ixgbe_dcbnl_getpfcstate, - .setpfcstate = ixgbe_dcbnl_setpfcstate, - .getapp = ixgbe_dcbnl_getapp, - .setapp = ixgbe_dcbnl_setapp, -}; - diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c deleted file mode 100644 index ef3f9105a05..00000000000 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ /dev/null @@ -1,2393 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -/* ethtool support for ixgbe */ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/ethtool.h> -#include <linux/vmalloc.h> -#include <linux/uaccess.h> - -#include "ixgbe.h" - - -#define IXGBE_ALL_RAR_ENTRIES 16 - -enum {NETDEV_STATS, IXGBE_STATS}; - -struct ixgbe_stats { - char stat_string[ETH_GSTRING_LEN]; - int type; - int sizeof_stat; - int stat_offset; -}; - -#define IXGBE_STAT(m) IXGBE_STATS, \ - sizeof(((struct ixgbe_adapter *)0)->m), \ - offsetof(struct ixgbe_adapter, m) -#define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \ - sizeof(((struct rtnl_link_stats64 *)0)->m), \ - offsetof(struct rtnl_link_stats64, m) - -static struct ixgbe_stats ixgbe_gstrings_stats[] = { - {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)}, - {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)}, - {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)}, - {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)}, - {"rx_pkts_nic", IXGBE_STAT(stats.gprc)}, - {"tx_pkts_nic", IXGBE_STAT(stats.gptc)}, - {"rx_bytes_nic", IXGBE_STAT(stats.gorc)}, - {"tx_bytes_nic", IXGBE_STAT(stats.gotc)}, - {"lsc_int", IXGBE_STAT(lsc_int)}, - {"tx_busy", IXGBE_STAT(tx_busy)}, - {"non_eop_descs", IXGBE_STAT(non_eop_descs)}, - {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)}, - {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)}, - {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)}, - {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)}, - {"multicast", IXGBE_NETDEV_STAT(multicast)}, - {"broadcast", IXGBE_STAT(stats.bprc)}, - {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) }, - {"collisions", IXGBE_NETDEV_STAT(collisions)}, - {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)}, - {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)}, - {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)}, - {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)}, - {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)}, - {"fdir_match", IXGBE_STAT(stats.fdirmatch)}, - {"fdir_miss", IXGBE_STAT(stats.fdirmiss)}, - {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)}, - {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)}, - {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)}, - {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)}, - {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)}, - {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)}, - {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)}, - {"tx_restart_queue", IXGBE_STAT(restart_queue)}, - {"rx_long_length_errors", IXGBE_STAT(stats.roc)}, - {"rx_short_length_errors", IXGBE_STAT(stats.ruc)}, - {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)}, - {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)}, - {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)}, - {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)}, - {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)}, - {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)}, - {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)}, - {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)}, -#ifdef IXGBE_FCOE - {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)}, - {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)}, - {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)}, - {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)}, - {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)}, - {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)}, -#endif /* IXGBE_FCOE */ -}; - -#define IXGBE_QUEUE_STATS_LEN \ - ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \ - ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \ - (sizeof(struct ixgbe_queue_stats) / sizeof(u64))) -#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats) -#define IXGBE_PB_STATS_LEN ( \ - (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \ - IXGBE_FLAG_DCB_ENABLED) ? \ - (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \ - sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \ - sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \ - sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \ - / sizeof(u64) : 0) -#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \ - IXGBE_PB_STATS_LEN + \ - IXGBE_QUEUE_STATS_LEN) - -static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = { - "Register test (offline)", "Eeprom test (offline)", - "Interrupt test (offline)", "Loopback test (offline)", - "Link test (on/offline)" -}; -#define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN - -static int ixgbe_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u32 link_speed = 0; - bool link_up; - - ecmd->supported = SUPPORTED_10000baseT_Full; - ecmd->autoneg = AUTONEG_ENABLE; - ecmd->transceiver = XCVR_EXTERNAL; - if ((hw->phy.media_type == ixgbe_media_type_copper) || - (hw->phy.multispeed_fiber)) { - ecmd->supported |= (SUPPORTED_1000baseT_Full | - SUPPORTED_Autoneg); - - ecmd->advertising = ADVERTISED_Autoneg; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) - ecmd->advertising |= ADVERTISED_10000baseT_Full; - if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) - ecmd->advertising |= ADVERTISED_1000baseT_Full; - /* - * It's possible that phy.autoneg_advertised may not be - * set yet. If so display what the default would be - - * both 1G and 10G supported. - */ - if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full | - ADVERTISED_10000baseT_Full))) - ecmd->advertising |= (ADVERTISED_10000baseT_Full | - ADVERTISED_1000baseT_Full); - - if (hw->phy.media_type == ixgbe_media_type_copper) { - ecmd->supported |= SUPPORTED_TP; - ecmd->advertising |= ADVERTISED_TP; - ecmd->port = PORT_TP; - } else { - ecmd->supported |= SUPPORTED_FIBRE; - ecmd->advertising |= ADVERTISED_FIBRE; - ecmd->port = PORT_FIBRE; - } - } else if (hw->phy.media_type == ixgbe_media_type_backplane) { - /* Set as FIBRE until SERDES defined in kernel */ - if (hw->device_id == IXGBE_DEV_ID_82598_BX) { - ecmd->supported = (SUPPORTED_1000baseT_Full | - SUPPORTED_FIBRE); - ecmd->advertising = (ADVERTISED_1000baseT_Full | - ADVERTISED_FIBRE); - ecmd->port = PORT_FIBRE; - ecmd->autoneg = AUTONEG_DISABLE; - } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE) || - (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) { - ecmd->supported |= (SUPPORTED_1000baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_FIBRE); - ecmd->advertising = (ADVERTISED_10000baseT_Full | - ADVERTISED_1000baseT_Full | - ADVERTISED_Autoneg | - ADVERTISED_FIBRE); - ecmd->port = PORT_FIBRE; - } else { - ecmd->supported |= (SUPPORTED_1000baseT_Full | - SUPPORTED_FIBRE); - ecmd->advertising = (ADVERTISED_10000baseT_Full | - ADVERTISED_1000baseT_Full | - ADVERTISED_FIBRE); - ecmd->port = PORT_FIBRE; - } - } else { - ecmd->supported |= SUPPORTED_FIBRE; - ecmd->advertising = (ADVERTISED_10000baseT_Full | - ADVERTISED_FIBRE); - ecmd->port = PORT_FIBRE; - ecmd->autoneg = AUTONEG_DISABLE; - } - - /* Get PHY type */ - switch (adapter->hw.phy.type) { - case ixgbe_phy_tn: - case ixgbe_phy_aq: - case ixgbe_phy_cu_unknown: - /* Copper 10G-BASET */ - ecmd->port = PORT_TP; - break; - case ixgbe_phy_qt: - ecmd->port = PORT_FIBRE; - break; - case ixgbe_phy_nl: - case ixgbe_phy_sfp_passive_tyco: - case ixgbe_phy_sfp_passive_unknown: - case ixgbe_phy_sfp_ftl: - case ixgbe_phy_sfp_avago: - case ixgbe_phy_sfp_intel: - case ixgbe_phy_sfp_unknown: - switch (adapter->hw.phy.sfp_type) { - /* SFP+ devices, further checking needed */ - case ixgbe_sfp_type_da_cu: - case ixgbe_sfp_type_da_cu_core0: - case ixgbe_sfp_type_da_cu_core1: - ecmd->port = PORT_DA; - break; - case ixgbe_sfp_type_sr: - case ixgbe_sfp_type_lr: - case ixgbe_sfp_type_srlr_core0: - case ixgbe_sfp_type_srlr_core1: - ecmd->port = PORT_FIBRE; - break; - case ixgbe_sfp_type_not_present: - ecmd->port = PORT_NONE; - break; - case ixgbe_sfp_type_1g_cu_core0: - case ixgbe_sfp_type_1g_cu_core1: - ecmd->port = PORT_TP; - ecmd->supported = SUPPORTED_TP; - ecmd->advertising = (ADVERTISED_1000baseT_Full | - ADVERTISED_TP); - break; - case ixgbe_sfp_type_unknown: - default: - ecmd->port = PORT_OTHER; - break; - } - break; - case ixgbe_phy_xaui: - ecmd->port = PORT_NONE; - break; - case ixgbe_phy_unknown: - case ixgbe_phy_generic: - case ixgbe_phy_sfp_unsupported: - default: - ecmd->port = PORT_OTHER; - break; - } - - hw->mac.ops.check_link(hw, &link_speed, &link_up, false); - if (link_up) { - ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ? - SPEED_10000 : SPEED_1000; - ecmd->duplex = DUPLEX_FULL; - } else { - ecmd->speed = -1; - ecmd->duplex = -1; - } - - return 0; -} - -static int ixgbe_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u32 advertised, old; - s32 err = 0; - - if ((hw->phy.media_type == ixgbe_media_type_copper) || - (hw->phy.multispeed_fiber)) { - /* 10000/copper and 1000/copper must autoneg - * this function does not support any duplex forcing, but can - * limit the advertising of the adapter to only 10000 or 1000 */ - if (ecmd->autoneg == AUTONEG_DISABLE) - return -EINVAL; - - old = hw->phy.autoneg_advertised; - advertised = 0; - if (ecmd->advertising & ADVERTISED_10000baseT_Full) - advertised |= IXGBE_LINK_SPEED_10GB_FULL; - - if (ecmd->advertising & ADVERTISED_1000baseT_Full) - advertised |= IXGBE_LINK_SPEED_1GB_FULL; - - if (old == advertised) - return err; - /* this sets the link speed and restarts auto-neg */ - hw->mac.autotry_restart = true; - err = hw->mac.ops.setup_link(hw, advertised, true, true); - if (err) { - e_info(probe, "setup link failed with code %d\n", err); - hw->mac.ops.setup_link(hw, old, true, true); - } - } else { - /* in this case we currently only support 10Gb/FULL */ - if ((ecmd->autoneg == AUTONEG_ENABLE) || - (ecmd->advertising != ADVERTISED_10000baseT_Full) || - (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)) - return -EINVAL; - } - - return err; -} - -static void ixgbe_get_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pause) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - - /* - * Flow Control Autoneg isn't on if - * - we didn't ask for it OR - * - it failed, we know this by tx & rx being off - */ - if (hw->fc.disable_fc_autoneg || - (hw->fc.current_mode == ixgbe_fc_none)) - pause->autoneg = 0; - else - pause->autoneg = 1; - - if (hw->fc.current_mode == ixgbe_fc_rx_pause) { - pause->rx_pause = 1; - } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) { - pause->tx_pause = 1; - } else if (hw->fc.current_mode == ixgbe_fc_full) { - pause->rx_pause = 1; - pause->tx_pause = 1; -#ifdef CONFIG_DCB - } else if (hw->fc.current_mode == ixgbe_fc_pfc) { - pause->rx_pause = 0; - pause->tx_pause = 0; -#endif - } -} - -static int ixgbe_set_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pause) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - struct ixgbe_fc_info fc; - -#ifdef CONFIG_DCB - if (adapter->dcb_cfg.pfc_mode_enable || - ((hw->mac.type == ixgbe_mac_82598EB) && - (adapter->flags & IXGBE_FLAG_DCB_ENABLED))) - return -EINVAL; - -#endif - fc = hw->fc; - - if (pause->autoneg != AUTONEG_ENABLE) - fc.disable_fc_autoneg = true; - else - fc.disable_fc_autoneg = false; - - if ((pause->rx_pause && pause->tx_pause) || pause->autoneg) - fc.requested_mode = ixgbe_fc_full; - else if (pause->rx_pause && !pause->tx_pause) - fc.requested_mode = ixgbe_fc_rx_pause; - else if (!pause->rx_pause && pause->tx_pause) - fc.requested_mode = ixgbe_fc_tx_pause; - else if (!pause->rx_pause && !pause->tx_pause) - fc.requested_mode = ixgbe_fc_none; - else - return -EINVAL; - -#ifdef CONFIG_DCB - adapter->last_lfc_mode = fc.requested_mode; -#endif - - /* if the thing changed then we'll update and use new autoneg */ - if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) { - hw->fc = fc; - if (netif_running(netdev)) - ixgbe_reinit_locked(adapter); - else - ixgbe_reset(adapter); - } - - return 0; -} - -static u32 ixgbe_get_rx_csum(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED; -} - -static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - if (data) - adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED; - else - adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED; - - return 0; -} - -static u32 ixgbe_get_tx_csum(struct net_device *netdev) -{ - return (netdev->features & NETIF_F_IP_CSUM) != 0; -} - -static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - u32 feature_list; - - feature_list = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - feature_list |= NETIF_F_SCTP_CSUM; - break; - default: - break; - } - if (data) - netdev->features |= feature_list; - else - netdev->features &= ~feature_list; - - return 0; -} - -static int ixgbe_set_tso(struct net_device *netdev, u32 data) -{ - if (data) { - netdev->features |= NETIF_F_TSO; - netdev->features |= NETIF_F_TSO6; - } else { - netdev->features &= ~NETIF_F_TSO; - netdev->features &= ~NETIF_F_TSO6; - } - return 0; -} - -static u32 ixgbe_get_msglevel(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - return adapter->msg_enable; -} - -static void ixgbe_set_msglevel(struct net_device *netdev, u32 data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - adapter->msg_enable = data; -} - -static int ixgbe_get_regs_len(struct net_device *netdev) -{ -#define IXGBE_REGS_LEN 1128 - return IXGBE_REGS_LEN * sizeof(u32); -} - -#define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_ - -static void ixgbe_get_regs(struct net_device *netdev, - struct ethtool_regs *regs, void *p) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u32 *regs_buff = p; - u8 i; - - memset(p, 0, IXGBE_REGS_LEN * sizeof(u32)); - - regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id; - - /* General Registers */ - regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL); - regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS); - regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); - regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP); - regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP); - regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL); - regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER); - regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER); - - /* NVM Register */ - regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC); - regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD); - regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA); - regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL); - regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA); - regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL); - regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA); - regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT); - regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP); - regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC); - - /* Interrupt */ - /* don't read EICR because it can clear interrupt causes, instead - * read EICS which is a shadow but doesn't clear EICR */ - regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS); - regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS); - regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS); - regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC); - regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC); - regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM); - regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0)); - regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0)); - regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT); - regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA); - regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0)); - regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE); - - /* Flow Control */ - regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP); - regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0)); - regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1)); - regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2)); - regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3)); - for (i = 0; i < 8; i++) { - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i)); - regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i)); - break; - case ixgbe_mac_82599EB: - regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i)); - regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i)); - break; - default: - break; - } - } - regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV); - regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS); - - /* Receive DMA */ - for (i = 0; i < 64; i++) - regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i)); - for (i = 0; i < 64; i++) - regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i)); - for (i = 0; i < 64; i++) - regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i)); - for (i = 0; i < 64; i++) - regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i)); - for (i = 0; i < 64; i++) - regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i)); - for (i = 0; i < 64; i++) - regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i)); - for (i = 0; i < 16; i++) - regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i)); - for (i = 0; i < 16; i++) - regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i)); - regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL); - for (i = 0; i < 8; i++) - regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); - regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL); - regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN); - - /* Receive */ - regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM); - regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL); - for (i = 0; i < 16; i++) - regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i)); - for (i = 0; i < 16; i++) - regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i)); - regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0)); - regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL); - regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL); - regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC); - regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL); - for (i = 0; i < 8; i++) - regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i)); - for (i = 0; i < 8; i++) - regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i)); - regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP); - - /* Transmit */ - for (i = 0; i < 32; i++) - regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i)); - for (i = 0; i < 32; i++) - regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i)); - for (i = 0; i < 32; i++) - regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i)); - for (i = 0; i < 32; i++) - regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i)); - for (i = 0; i < 32; i++) - regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i)); - for (i = 0; i < 32; i++) - regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i)); - for (i = 0; i < 32; i++) - regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i)); - for (i = 0; i < 32; i++) - regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i)); - regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL); - for (i = 0; i < 16; i++) - regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i)); - regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG); - for (i = 0; i < 8; i++) - regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i)); - regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP); - - /* Wake Up */ - regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC); - regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC); - regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS); - regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV); - regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT); - regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT); - regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL); - regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM); - regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0)); - - /* DCB */ - regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); - regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS); - regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); - regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR); - for (i = 0; i < 8; i++) - regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i)); - for (i = 0; i < 8; i++) - regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i)); - for (i = 0; i < 8; i++) - regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i)); - for (i = 0; i < 8; i++) - regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i)); - for (i = 0; i < 8; i++) - regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); - for (i = 0; i < 8; i++) - regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); - - /* Statistics */ - regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs); - regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc); - regs_buff[883] = IXGBE_GET_STAT(adapter, errbc); - regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc); - for (i = 0; i < 8; i++) - regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]); - regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc); - regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc); - regs_buff[895] = IXGBE_GET_STAT(adapter, rlec); - regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc); - regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc); - regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc); - regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc); - for (i = 0; i < 8; i++) - regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]); - for (i = 0; i < 8; i++) - regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]); - for (i = 0; i < 8; i++) - regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]); - for (i = 0; i < 8; i++) - regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]); - regs_buff[932] = IXGBE_GET_STAT(adapter, prc64); - regs_buff[933] = IXGBE_GET_STAT(adapter, prc127); - regs_buff[934] = IXGBE_GET_STAT(adapter, prc255); - regs_buff[935] = IXGBE_GET_STAT(adapter, prc511); - regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023); - regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522); - regs_buff[938] = IXGBE_GET_STAT(adapter, gprc); - regs_buff[939] = IXGBE_GET_STAT(adapter, bprc); - regs_buff[940] = IXGBE_GET_STAT(adapter, mprc); - regs_buff[941] = IXGBE_GET_STAT(adapter, gptc); - regs_buff[942] = IXGBE_GET_STAT(adapter, gorc); - regs_buff[944] = IXGBE_GET_STAT(adapter, gotc); - for (i = 0; i < 8; i++) - regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]); - regs_buff[954] = IXGBE_GET_STAT(adapter, ruc); - regs_buff[955] = IXGBE_GET_STAT(adapter, rfc); - regs_buff[956] = IXGBE_GET_STAT(adapter, roc); - regs_buff[957] = IXGBE_GET_STAT(adapter, rjc); - regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc); - regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc); - regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc); - regs_buff[961] = IXGBE_GET_STAT(adapter, tor); - regs_buff[963] = IXGBE_GET_STAT(adapter, tpr); - regs_buff[964] = IXGBE_GET_STAT(adapter, tpt); - regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64); - regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127); - regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255); - regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511); - regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023); - regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522); - regs_buff[971] = IXGBE_GET_STAT(adapter, mptc); - regs_buff[972] = IXGBE_GET_STAT(adapter, bptc); - regs_buff[973] = IXGBE_GET_STAT(adapter, xec); - for (i = 0; i < 16; i++) - regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]); - for (i = 0; i < 16; i++) - regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]); - for (i = 0; i < 16; i++) - regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]); - for (i = 0; i < 16; i++) - regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]); - - /* MAC */ - regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG); - regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL); - regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA); - regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0); - regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1); - regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA); - regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP); - regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP); - regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP); - regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0); - regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1); - regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP); - regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA); - regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE); - regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD); - regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS); - regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA); - regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD); - regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD); - regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD); - regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG); - regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1); - regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2); - regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS); - regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC); - regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS); - regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC); - regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS); - regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2); - regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3); - regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1); - regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2); - regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL); - - /* Diagnostic */ - regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL); - for (i = 0; i < 8; i++) - regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i)); - regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN); - for (i = 0; i < 4; i++) - regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i)); - regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE); - regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL); - for (i = 0; i < 8; i++) - regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i)); - regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN); - for (i = 0; i < 4; i++) - regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i)); - regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE); - regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL); - regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0); - regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1); - regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2); - regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3); - regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL); - regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0); - regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1); - regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2); - regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3); - for (i = 0; i < 8; i++) - regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i)); - regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL); - regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1); - regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2); - regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1); - regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2); - regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS); - regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL); - regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC); - regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC); -} - -static int ixgbe_get_eeprom_len(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - return adapter->hw.eeprom.word_size * 2; -} - -static int ixgbe_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u16 *eeprom_buff; - int first_word, last_word, eeprom_len; - int ret_val = 0; - u16 i; - - if (eeprom->len == 0) - return -EINVAL; - - eeprom->magic = hw->vendor_id | (hw->device_id << 16); - - first_word = eeprom->offset >> 1; - last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_len = last_word - first_word + 1; - - eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL); - if (!eeprom_buff) - return -ENOMEM; - - for (i = 0; i < eeprom_len; i++) { - if ((ret_val = hw->eeprom.ops.read(hw, first_word + i, - &eeprom_buff[i]))) - break; - } - - /* Device's eeprom is always little-endian, word addressable */ - for (i = 0; i < eeprom_len; i++) - le16_to_cpus(&eeprom_buff[i]); - - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); - kfree(eeprom_buff); - - return ret_val; -} - -static void ixgbe_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - char firmware_version[32]; - - strncpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver)); - strncpy(drvinfo->version, ixgbe_driver_version, - sizeof(drvinfo->version)); - - snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d", - (adapter->eeprom_version & 0xF000) >> 12, - (adapter->eeprom_version & 0x0FF0) >> 4, - adapter->eeprom_version & 0x000F); - - strncpy(drvinfo->fw_version, firmware_version, - sizeof(drvinfo->fw_version)); - strncpy(drvinfo->bus_info, pci_name(adapter->pdev), - sizeof(drvinfo->bus_info)); - drvinfo->n_stats = IXGBE_STATS_LEN; - drvinfo->testinfo_len = IXGBE_TEST_LEN; - drvinfo->regdump_len = ixgbe_get_regs_len(netdev); -} - -static void ixgbe_get_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_ring *tx_ring = adapter->tx_ring[0]; - struct ixgbe_ring *rx_ring = adapter->rx_ring[0]; - - ring->rx_max_pending = IXGBE_MAX_RXD; - ring->tx_max_pending = IXGBE_MAX_TXD; - ring->rx_mini_max_pending = 0; - ring->rx_jumbo_max_pending = 0; - ring->rx_pending = rx_ring->count; - ring->tx_pending = tx_ring->count; - ring->rx_mini_pending = 0; - ring->rx_jumbo_pending = 0; -} - -static int ixgbe_set_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_ring *temp_tx_ring, *temp_rx_ring; - int i, err = 0; - u32 new_rx_count, new_tx_count; - bool need_update = false; - - if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) - return -EINVAL; - - new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD); - new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD); - new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE); - - new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD); - new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD); - new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE); - - if ((new_tx_count == adapter->tx_ring[0]->count) && - (new_rx_count == adapter->rx_ring[0]->count)) { - /* nothing to do */ - return 0; - } - - while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) - msleep(1); - - if (!netif_running(adapter->netdev)) { - for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i]->count = new_tx_count; - for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i]->count = new_rx_count; - adapter->tx_ring_count = new_tx_count; - adapter->rx_ring_count = new_rx_count; - goto clear_reset; - } - - temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring)); - if (!temp_tx_ring) { - err = -ENOMEM; - goto clear_reset; - } - - if (new_tx_count != adapter->tx_ring_count) { - for (i = 0; i < adapter->num_tx_queues; i++) { - memcpy(&temp_tx_ring[i], adapter->tx_ring[i], - sizeof(struct ixgbe_ring)); - temp_tx_ring[i].count = new_tx_count; - err = ixgbe_setup_tx_resources(&temp_tx_ring[i]); - if (err) { - while (i) { - i--; - ixgbe_free_tx_resources(&temp_tx_ring[i]); - } - goto clear_reset; - } - } - need_update = true; - } - - temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring)); - if (!temp_rx_ring) { - err = -ENOMEM; - goto err_setup; - } - - if (new_rx_count != adapter->rx_ring_count) { - for (i = 0; i < adapter->num_rx_queues; i++) { - memcpy(&temp_rx_ring[i], adapter->rx_ring[i], - sizeof(struct ixgbe_ring)); - temp_rx_ring[i].count = new_rx_count; - err = ixgbe_setup_rx_resources(&temp_rx_ring[i]); - if (err) { - while (i) { - i--; - ixgbe_free_rx_resources(&temp_rx_ring[i]); - } - goto err_setup; - } - } - need_update = true; - } - - /* if rings need to be updated, here's the place to do it in one shot */ - if (need_update) { - ixgbe_down(adapter); - - /* tx */ - if (new_tx_count != adapter->tx_ring_count) { - for (i = 0; i < adapter->num_tx_queues; i++) { - ixgbe_free_tx_resources(adapter->tx_ring[i]); - memcpy(adapter->tx_ring[i], &temp_tx_ring[i], - sizeof(struct ixgbe_ring)); - } - adapter->tx_ring_count = new_tx_count; - } - - /* rx */ - if (new_rx_count != adapter->rx_ring_count) { - for (i = 0; i < adapter->num_rx_queues; i++) { - ixgbe_free_rx_resources(adapter->rx_ring[i]); - memcpy(adapter->rx_ring[i], &temp_rx_ring[i], - sizeof(struct ixgbe_ring)); - } - adapter->rx_ring_count = new_rx_count; - } - ixgbe_up(adapter); - } - - vfree(temp_rx_ring); -err_setup: - vfree(temp_tx_ring); -clear_reset: - clear_bit(__IXGBE_RESETTING, &adapter->state); - return err; -} - -static int ixgbe_get_sset_count(struct net_device *netdev, int sset) -{ - switch (sset) { - case ETH_SS_TEST: - return IXGBE_TEST_LEN; - case ETH_SS_STATS: - return IXGBE_STATS_LEN; - case ETH_SS_NTUPLE_FILTERS: - return ETHTOOL_MAX_NTUPLE_LIST_ENTRY * - ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY; - default: - return -EOPNOTSUPP; - } -} - -static void ixgbe_get_ethtool_stats(struct net_device *netdev, - struct ethtool_stats *stats, u64 *data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct rtnl_link_stats64 temp; - const struct rtnl_link_stats64 *net_stats; - unsigned int start; - struct ixgbe_ring *ring; - int i, j; - char *p = NULL; - - ixgbe_update_stats(adapter); - net_stats = dev_get_stats(netdev, &temp); - for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { - switch (ixgbe_gstrings_stats[i].type) { - case NETDEV_STATS: - p = (char *) net_stats + - ixgbe_gstrings_stats[i].stat_offset; - break; - case IXGBE_STATS: - p = (char *) adapter + - ixgbe_gstrings_stats[i].stat_offset; - break; - } - - data[i] = (ixgbe_gstrings_stats[i].sizeof_stat == - sizeof(u64)) ? *(u64 *)p : *(u32 *)p; - } - for (j = 0; j < adapter->num_tx_queues; j++) { - ring = adapter->tx_ring[j]; - do { - start = u64_stats_fetch_begin_bh(&ring->syncp); - data[i] = ring->stats.packets; - data[i+1] = ring->stats.bytes; - } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); - i += 2; - } - for (j = 0; j < adapter->num_rx_queues; j++) { - ring = adapter->rx_ring[j]; - do { - start = u64_stats_fetch_begin_bh(&ring->syncp); - data[i] = ring->stats.packets; - data[i+1] = ring->stats.bytes; - } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); - i += 2; - } - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) { - data[i++] = adapter->stats.pxontxc[j]; - data[i++] = adapter->stats.pxofftxc[j]; - } - for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) { - data[i++] = adapter->stats.pxonrxc[j]; - data[i++] = adapter->stats.pxoffrxc[j]; - } - } -} - -static void ixgbe_get_strings(struct net_device *netdev, u32 stringset, - u8 *data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - char *p = (char *)data; - int i; - - switch (stringset) { - case ETH_SS_TEST: - memcpy(data, *ixgbe_gstrings_test, - IXGBE_TEST_LEN * ETH_GSTRING_LEN); - break; - case ETH_SS_STATS: - for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { - memcpy(p, ixgbe_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < adapter->num_tx_queues; i++) { - sprintf(p, "tx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - sprintf(p, "tx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < adapter->num_rx_queues; i++) { - sprintf(p, "rx_queue_%u_packets", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_queue_%u_bytes", i); - p += ETH_GSTRING_LEN; - } - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) { - sprintf(p, "tx_pb_%u_pxon", i); - p += ETH_GSTRING_LEN; - sprintf(p, "tx_pb_%u_pxoff", i); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) { - sprintf(p, "rx_pb_%u_pxon", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_pb_%u_pxoff", i); - p += ETH_GSTRING_LEN; - } - } - /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */ - break; - } -} - -static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data) -{ - struct ixgbe_hw *hw = &adapter->hw; - bool link_up; - u32 link_speed = 0; - *data = 0; - - hw->mac.ops.check_link(hw, &link_speed, &link_up, true); - if (link_up) - return *data; - else - *data = 1; - return *data; -} - -/* ethtool register test data */ -struct ixgbe_reg_test { - u16 reg; - u8 array_len; - u8 test_type; - u32 mask; - u32 write; -}; - -/* In the hardware, registers are laid out either singly, in arrays - * spaced 0x40 bytes apart, or in contiguous tables. We assume - * most tests take place on arrays or single registers (handled - * as a single-element array) and special-case the tables. - * Table tests are always pattern tests. - * - * We also make provision for some required setup steps by specifying - * registers to be written without any read-back testing. - */ - -#define PATTERN_TEST 1 -#define SET_READ_TEST 2 -#define WRITE_NO_TEST 3 -#define TABLE32_TEST 4 -#define TABLE64_TEST_LO 5 -#define TABLE64_TEST_HI 6 - -/* default 82599 register test */ -static struct ixgbe_reg_test reg_test_82599[] = { - { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, - { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, - { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 }, - { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 }, - { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, - { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE }, - { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, - { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 }, - { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, - { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, - { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 }, - { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 }, - { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF }, - { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { 0, 0, 0, 0 } -}; - -/* default 82598 register test */ -static struct ixgbe_reg_test reg_test_82598[] = { - { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, - { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, - { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 }, - { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, - { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, - /* Enable all four RX queues before testing. */ - { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE }, - /* RDH is read-only for 82598, only test RDT. */ - { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, - { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 }, - { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 }, - { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF }, - { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, - { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, - { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 }, - { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 }, - { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF }, - { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF }, - { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, - { 0, 0, 0, 0 } -}; - -#define REG_PATTERN_TEST(R, M, W) \ -{ \ - u32 pat, val, before; \ - const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \ - for (pat = 0; pat < ARRAY_SIZE(_test); pat++) { \ - before = readl(adapter->hw.hw_addr + R); \ - writel((_test[pat] & W), (adapter->hw.hw_addr + R)); \ - val = readl(adapter->hw.hw_addr + R); \ - if (val != (_test[pat] & W & M)) { \ - e_err(drv, "pattern test reg %04X failed: got " \ - "0x%08X expected 0x%08X\n", \ - R, val, (_test[pat] & W & M)); \ - *data = R; \ - writel(before, adapter->hw.hw_addr + R); \ - return 1; \ - } \ - writel(before, adapter->hw.hw_addr + R); \ - } \ -} - -#define REG_SET_AND_CHECK(R, M, W) \ -{ \ - u32 val, before; \ - before = readl(adapter->hw.hw_addr + R); \ - writel((W & M), (adapter->hw.hw_addr + R)); \ - val = readl(adapter->hw.hw_addr + R); \ - if ((W & M) != (val & M)) { \ - e_err(drv, "set/check reg %04X test failed: got 0x%08X " \ - "expected 0x%08X\n", R, (val & M), (W & M)); \ - *data = R; \ - writel(before, (adapter->hw.hw_addr + R)); \ - return 1; \ - } \ - writel(before, (adapter->hw.hw_addr + R)); \ -} - -static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data) -{ - struct ixgbe_reg_test *test; - u32 value, before, after; - u32 i, toggle; - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - toggle = 0x7FFFF3FF; - test = reg_test_82598; - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - toggle = 0x7FFFF30F; - test = reg_test_82599; - break; - default: - *data = 1; - return 1; - break; - } - - /* - * Because the status register is such a special case, - * we handle it separately from the rest of the register - * tests. Some bits are read-only, some toggle, and some - * are writeable on newer MACs. - */ - before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS); - value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle); - after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle; - if (value != after) { - e_err(drv, "failed STATUS register test got: 0x%08X " - "expected: 0x%08X\n", after, value); - *data = 1; - return 1; - } - /* restore previous status */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before); - - /* - * Perform the remainder of the register test, looping through - * the test table until we either fail or reach the null entry. - */ - while (test->reg) { - for (i = 0; i < test->array_len; i++) { - switch (test->test_type) { - case PATTERN_TEST: - REG_PATTERN_TEST(test->reg + (i * 0x40), - test->mask, - test->write); - break; - case SET_READ_TEST: - REG_SET_AND_CHECK(test->reg + (i * 0x40), - test->mask, - test->write); - break; - case WRITE_NO_TEST: - writel(test->write, - (adapter->hw.hw_addr + test->reg) - + (i * 0x40)); - break; - case TABLE32_TEST: - REG_PATTERN_TEST(test->reg + (i * 4), - test->mask, - test->write); - break; - case TABLE64_TEST_LO: - REG_PATTERN_TEST(test->reg + (i * 8), - test->mask, - test->write); - break; - case TABLE64_TEST_HI: - REG_PATTERN_TEST((test->reg + 4) + (i * 8), - test->mask, - test->write); - break; - } - } - test++; - } - - *data = 0; - return 0; -} - -static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data) -{ - struct ixgbe_hw *hw = &adapter->hw; - if (hw->eeprom.ops.validate_checksum(hw, NULL)) - *data = 1; - else - *data = 0; - return *data; -} - -static irqreturn_t ixgbe_test_intr(int irq, void *data) -{ - struct net_device *netdev = (struct net_device *) data; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR); - - return IRQ_HANDLED; -} - -static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data) -{ - struct net_device *netdev = adapter->netdev; - u32 mask, i = 0, shared_int = true; - u32 irq = adapter->pdev->irq; - - *data = 0; - - /* Hook up test interrupt handler just for this test */ - if (adapter->msix_entries) { - /* NOTE: we don't test MSI-X interrupts here, yet */ - return 0; - } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) { - shared_int = false; - if (request_irq(irq, ixgbe_test_intr, 0, netdev->name, - netdev)) { - *data = 1; - return -1; - } - } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED, - netdev->name, netdev)) { - shared_int = false; - } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED, - netdev->name, netdev)) { - *data = 1; - return -1; - } - e_info(hw, "testing %s interrupt\n", shared_int ? - "shared" : "unshared"); - - /* Disable all the interrupts */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF); - msleep(10); - - /* Test each interrupt */ - for (; i < 10; i++) { - /* Interrupt to test */ - mask = 1 << i; - - if (!shared_int) { - /* - * Disable the interrupts to be reported in - * the cause register and then force the same - * interrupt and see if one gets posted. If - * an interrupt was posted to the bus, the - * test failed. - */ - adapter->test_icr = 0; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, - ~mask & 0x00007FFF); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, - ~mask & 0x00007FFF); - msleep(10); - - if (adapter->test_icr & mask) { - *data = 3; - break; - } - } - - /* - * Enable the interrupt to be reported in the cause - * register and then force the same interrupt and see - * if one gets posted. If an interrupt was not posted - * to the bus, the test failed. - */ - adapter->test_icr = 0; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); - msleep(10); - - if (!(adapter->test_icr &mask)) { - *data = 4; - break; - } - - if (!shared_int) { - /* - * Disable the other interrupts to be reported in - * the cause register and then force the other - * interrupts and see if any get posted. If - * an interrupt was posted to the bus, the - * test failed. - */ - adapter->test_icr = 0; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, - ~mask & 0x00007FFF); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, - ~mask & 0x00007FFF); - msleep(10); - - if (adapter->test_icr) { - *data = 5; - break; - } - } - } - - /* Disable all the interrupts */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF); - msleep(10); - - /* Unhook test interrupt handler */ - free_irq(irq, netdev); - - return *data; -} - -static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter) -{ - struct ixgbe_ring *tx_ring = &adapter->test_tx_ring; - struct ixgbe_ring *rx_ring = &adapter->test_rx_ring; - struct ixgbe_hw *hw = &adapter->hw; - u32 reg_ctl; - - /* shut down the DMA engines now so they can be reinitialized later */ - - /* first Rx */ - reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); - reg_ctl &= ~IXGBE_RXCTRL_RXEN; - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl); - reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx)); - reg_ctl &= ~IXGBE_RXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx), reg_ctl); - - /* now Tx */ - reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx)); - reg_ctl &= ~IXGBE_TXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl); - - switch (hw->mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); - reg_ctl &= ~IXGBE_DMATXCTL_TE; - IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl); - break; - default: - break; - } - - ixgbe_reset(adapter); - - ixgbe_free_tx_resources(&adapter->test_tx_ring); - ixgbe_free_rx_resources(&adapter->test_rx_ring); -} - -static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter) -{ - struct ixgbe_ring *tx_ring = &adapter->test_tx_ring; - struct ixgbe_ring *rx_ring = &adapter->test_rx_ring; - u32 rctl, reg_data; - int ret_val; - int err; - - /* Setup Tx descriptor ring and Tx buffers */ - tx_ring->count = IXGBE_DEFAULT_TXD; - tx_ring->queue_index = 0; - tx_ring->dev = &adapter->pdev->dev; - tx_ring->netdev = adapter->netdev; - tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx; - tx_ring->numa_node = adapter->node; - - err = ixgbe_setup_tx_resources(tx_ring); - if (err) - return 1; - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL); - reg_data |= IXGBE_DMATXCTL_TE; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data); - break; - default: - break; - } - - ixgbe_configure_tx_ring(adapter, tx_ring); - - /* Setup Rx Descriptor ring and Rx buffers */ - rx_ring->count = IXGBE_DEFAULT_RXD; - rx_ring->queue_index = 0; - rx_ring->dev = &adapter->pdev->dev; - rx_ring->netdev = adapter->netdev; - rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx; - rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048; - rx_ring->numa_node = adapter->node; - - err = ixgbe_setup_rx_resources(rx_ring); - if (err) { - ret_val = 4; - goto err_nomem; - } - - rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN); - - ixgbe_configure_rx_ring(adapter, rx_ring); - - rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl); - - return 0; - -err_nomem: - ixgbe_free_desc_rings(adapter); - return ret_val; -} - -static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 reg_data; - - /* right now we only support MAC loopback in the driver */ - reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0); - /* Setup MAC loopback */ - reg_data |= IXGBE_HLREG0_LPBK; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data); - - reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); - reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data); - - reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC); - reg_data &= ~IXGBE_AUTOC_LMS_MASK; - reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data); - IXGBE_WRITE_FLUSH(&adapter->hw); - msleep(10); - - /* Disable Atlas Tx lanes; re-enabled in reset path */ - if (hw->mac.type == ixgbe_mac_82598EB) { - u8 atlas; - - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas); - atlas |= IXGBE_ATLAS_PDN_TX_REG_EN; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas); - - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas); - atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas); - - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas); - atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas); - - hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas); - atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL; - hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas); - } - - return 0; -} - -static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter) -{ - u32 reg_data; - - reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0); - reg_data &= ~IXGBE_HLREG0_LPBK; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data); -} - -static void ixgbe_create_lbtest_frame(struct sk_buff *skb, - unsigned int frame_size) -{ - memset(skb->data, 0xFF, frame_size); - frame_size &= ~1; - memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); - memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); - memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); -} - -static int ixgbe_check_lbtest_frame(struct sk_buff *skb, - unsigned int frame_size) -{ - frame_size &= ~1; - if (*(skb->data + 3) == 0xFF) { - if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && - (*(skb->data + frame_size / 2 + 12) == 0xAF)) { - return 0; - } - } - return 13; -} - -static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring, - struct ixgbe_ring *tx_ring, - unsigned int size) -{ - union ixgbe_adv_rx_desc *rx_desc; - struct ixgbe_rx_buffer *rx_buffer_info; - struct ixgbe_tx_buffer *tx_buffer_info; - const int bufsz = rx_ring->rx_buf_len; - u32 staterr; - u16 rx_ntc, tx_ntc, count = 0; - - /* initialize next to clean and descriptor values */ - rx_ntc = rx_ring->next_to_clean; - tx_ntc = tx_ring->next_to_clean; - rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc); - staterr = le32_to_cpu(rx_desc->wb.upper.status_error); - - while (staterr & IXGBE_RXD_STAT_DD) { - /* check Rx buffer */ - rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc]; - - /* unmap Rx buffer, will be remapped by alloc_rx_buffers */ - dma_unmap_single(rx_ring->dev, - rx_buffer_info->dma, - bufsz, - DMA_FROM_DEVICE); - rx_buffer_info->dma = 0; - - /* verify contents of skb */ - if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size)) - count++; - - /* unmap buffer on Tx side */ - tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc]; - ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info); - - /* increment Rx/Tx next to clean counters */ - rx_ntc++; - if (rx_ntc == rx_ring->count) - rx_ntc = 0; - tx_ntc++; - if (tx_ntc == tx_ring->count) - tx_ntc = 0; - - /* fetch next descriptor */ - rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc); - staterr = le32_to_cpu(rx_desc->wb.upper.status_error); - } - - /* re-map buffers to ring, store next to clean values */ - ixgbe_alloc_rx_buffers(rx_ring, count); - rx_ring->next_to_clean = rx_ntc; - tx_ring->next_to_clean = tx_ntc; - - return count; -} - -static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter) -{ - struct ixgbe_ring *tx_ring = &adapter->test_tx_ring; - struct ixgbe_ring *rx_ring = &adapter->test_rx_ring; - int i, j, lc, good_cnt, ret_val = 0; - unsigned int size = 1024; - netdev_tx_t tx_ret_val; - struct sk_buff *skb; - - /* allocate test skb */ - skb = alloc_skb(size, GFP_KERNEL); - if (!skb) - return 11; - - /* place data into test skb */ - ixgbe_create_lbtest_frame(skb, size); - skb_put(skb, size); - - /* - * Calculate the loop count based on the largest descriptor ring - * The idea is to wrap the largest ring a number of times using 64 - * send/receive pairs during each loop - */ - - if (rx_ring->count <= tx_ring->count) - lc = ((tx_ring->count / 64) * 2) + 1; - else - lc = ((rx_ring->count / 64) * 2) + 1; - - for (j = 0; j <= lc; j++) { - /* reset count of good packets */ - good_cnt = 0; - - /* place 64 packets on the transmit queue*/ - for (i = 0; i < 64; i++) { - skb_get(skb); - tx_ret_val = ixgbe_xmit_frame_ring(skb, - adapter, - tx_ring); - if (tx_ret_val == NETDEV_TX_OK) - good_cnt++; - } - - if (good_cnt != 64) { - ret_val = 12; - break; - } - - /* allow 200 milliseconds for packets to go from Tx to Rx */ - msleep(200); - - good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size); - if (good_cnt != 64) { - ret_val = 13; - break; - } - } - - /* free the original skb */ - kfree_skb(skb); - - return ret_val; -} - -static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data) -{ - *data = ixgbe_setup_desc_rings(adapter); - if (*data) - goto out; - *data = ixgbe_setup_loopback_test(adapter); - if (*data) - goto err_loopback; - *data = ixgbe_run_loopback_test(adapter); - ixgbe_loopback_cleanup(adapter); - -err_loopback: - ixgbe_free_desc_rings(adapter); -out: - return *data; -} - -static void ixgbe_diag_test(struct net_device *netdev, - struct ethtool_test *eth_test, u64 *data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - bool if_running = netif_running(netdev); - - set_bit(__IXGBE_TESTING, &adapter->state); - if (eth_test->flags == ETH_TEST_FL_OFFLINE) { - /* Offline tests */ - - e_info(hw, "offline testing starting\n"); - - /* Link test performed before hardware reset so autoneg doesn't - * interfere with test result */ - if (ixgbe_link_test(adapter, &data[4])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { - int i; - for (i = 0; i < adapter->num_vfs; i++) { - if (adapter->vfinfo[i].clear_to_send) { - netdev_warn(netdev, "%s", - "offline diagnostic is not " - "supported when VFs are " - "present\n"); - data[0] = 1; - data[1] = 1; - data[2] = 1; - data[3] = 1; - eth_test->flags |= ETH_TEST_FL_FAILED; - clear_bit(__IXGBE_TESTING, - &adapter->state); - goto skip_ol_tests; - } - } - } - - if (if_running) - /* indicate we're in test mode */ - dev_close(netdev); - else - ixgbe_reset(adapter); - - e_info(hw, "register testing starting\n"); - if (ixgbe_reg_test(adapter, &data[0])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - ixgbe_reset(adapter); - e_info(hw, "eeprom testing starting\n"); - if (ixgbe_eeprom_test(adapter, &data[1])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - ixgbe_reset(adapter); - e_info(hw, "interrupt testing starting\n"); - if (ixgbe_intr_test(adapter, &data[2])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - /* If SRIOV or VMDq is enabled then skip MAC - * loopback diagnostic. */ - if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED | - IXGBE_FLAG_VMDQ_ENABLED)) { - e_info(hw, "Skip MAC loopback diagnostic in VT " - "mode\n"); - data[3] = 0; - goto skip_loopback; - } - - ixgbe_reset(adapter); - e_info(hw, "loopback testing starting\n"); - if (ixgbe_loopback_test(adapter, &data[3])) - eth_test->flags |= ETH_TEST_FL_FAILED; - -skip_loopback: - ixgbe_reset(adapter); - - clear_bit(__IXGBE_TESTING, &adapter->state); - if (if_running) - dev_open(netdev); - } else { - e_info(hw, "online testing starting\n"); - /* Online tests */ - if (ixgbe_link_test(adapter, &data[4])) - eth_test->flags |= ETH_TEST_FL_FAILED; - - /* Online tests aren't run; pass by default */ - data[0] = 0; - data[1] = 0; - data[2] = 0; - data[3] = 0; - - clear_bit(__IXGBE_TESTING, &adapter->state); - } -skip_ol_tests: - msleep_interruptible(4 * 1000); -} - -static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter, - struct ethtool_wolinfo *wol) -{ - struct ixgbe_hw *hw = &adapter->hw; - int retval = 1; - - /* WOL not supported except for the following */ - switch(hw->device_id) { - case IXGBE_DEV_ID_82599_SFP: - /* Only this subdevice supports WOL */ - if (hw->subsystem_device_id != IXGBE_SUBDEV_ID_82599_SFP) { - wol->supported = 0; - break; - } - retval = 0; - break; - case IXGBE_DEV_ID_82599_COMBO_BACKPLANE: - /* All except this subdevice support WOL */ - if (hw->subsystem_device_id == - IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) { - wol->supported = 0; - break; - } - retval = 0; - break; - case IXGBE_DEV_ID_82599_KX4: - retval = 0; - break; - default: - wol->supported = 0; - } - - return retval; -} - -static void ixgbe_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_UCAST | WAKE_MCAST | - WAKE_BCAST | WAKE_MAGIC; - wol->wolopts = 0; - - if (ixgbe_wol_exclusion(adapter, wol) || - !device_can_wakeup(&adapter->pdev->dev)) - return; - - if (adapter->wol & IXGBE_WUFC_EX) - wol->wolopts |= WAKE_UCAST; - if (adapter->wol & IXGBE_WUFC_MC) - wol->wolopts |= WAKE_MCAST; - if (adapter->wol & IXGBE_WUFC_BC) - wol->wolopts |= WAKE_BCAST; - if (adapter->wol & IXGBE_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; -} - -static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) - return -EOPNOTSUPP; - - if (ixgbe_wol_exclusion(adapter, wol)) - return wol->wolopts ? -EOPNOTSUPP : 0; - - adapter->wol = 0; - - if (wol->wolopts & WAKE_UCAST) - adapter->wol |= IXGBE_WUFC_EX; - if (wol->wolopts & WAKE_MCAST) - adapter->wol |= IXGBE_WUFC_MC; - if (wol->wolopts & WAKE_BCAST) - adapter->wol |= IXGBE_WUFC_BC; - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= IXGBE_WUFC_MAG; - - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - return 0; -} - -static int ixgbe_nway_reset(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - if (netif_running(netdev)) - ixgbe_reinit_locked(adapter); - - return 0; -} - -static int ixgbe_phys_id(struct net_device *netdev, u32 data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL); - u32 i; - - if (!data || data > 300) - data = 300; - - for (i = 0; i < (data * 1000); i += 400) { - hw->mac.ops.led_on(hw, IXGBE_LED_ON); - msleep_interruptible(200); - hw->mac.ops.led_off(hw, IXGBE_LED_ON); - msleep_interruptible(200); - } - - /* Restore LED settings */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg); - - return 0; -} - -static int ixgbe_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0]->work_limit; - - /* only valid if in constant ITR mode */ - switch (adapter->rx_itr_setting) { - case 0: - /* throttling disabled */ - ec->rx_coalesce_usecs = 0; - break; - case 1: - /* dynamic ITR mode */ - ec->rx_coalesce_usecs = 1; - break; - default: - /* fixed interrupt rate mode */ - ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param; - break; - } - - /* if in mixed tx/rx queues per vector mode, report only rx settings */ - if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count) - return 0; - - /* only valid if in constant ITR mode */ - switch (adapter->tx_itr_setting) { - case 0: - /* throttling disabled */ - ec->tx_coalesce_usecs = 0; - break; - case 1: - /* dynamic ITR mode */ - ec->tx_coalesce_usecs = 1; - break; - default: - ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param; - break; - } - - return 0; -} - -/* - * this function must be called before setting the new value of - * rx_itr_setting - */ -static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter, - struct ethtool_coalesce *ec) -{ - struct net_device *netdev = adapter->netdev; - - if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)) - return false; - - /* if interrupt rate is too high then disable RSC */ - if (ec->rx_coalesce_usecs != 1 && - ec->rx_coalesce_usecs <= 1000000/IXGBE_MAX_RSC_INT_RATE) { - if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { - e_info(probe, "rx-usecs set too low, " - "disabling RSC\n"); - adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED; - return true; - } - } else { - /* check the feature flag value and enable RSC if necessary */ - if ((netdev->features & NETIF_F_LRO) && - !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) { - e_info(probe, "rx-usecs set to %d, " - "re-enabling RSC\n", - ec->rx_coalesce_usecs); - adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED; - return true; - } - } - return false; -} - -static int ixgbe_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_q_vector *q_vector; - int i; - bool need_reset = false; - - /* don't accept tx specific changes if we've got mixed RxTx vectors */ - if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count - && ec->tx_coalesce_usecs) - return -EINVAL; - - if (ec->tx_max_coalesced_frames_irq) - adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq; - - if (ec->rx_coalesce_usecs > 1) { - /* check the limits */ - if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) || - (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE)) - return -EINVAL; - - /* check the old value and enable RSC if necessary */ - need_reset = ixgbe_update_rsc(adapter, ec); - - /* store the value in ints/second */ - adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs; - - /* static value of interrupt rate */ - adapter->rx_itr_setting = adapter->rx_eitr_param; - /* clear the lower bit as its used for dynamic state */ - adapter->rx_itr_setting &= ~1; - } else if (ec->rx_coalesce_usecs == 1) { - /* check the old value and enable RSC if necessary */ - need_reset = ixgbe_update_rsc(adapter, ec); - - /* 1 means dynamic mode */ - adapter->rx_eitr_param = 20000; - adapter->rx_itr_setting = 1; - } else { - /* check the old value and enable RSC if necessary */ - need_reset = ixgbe_update_rsc(adapter, ec); - /* - * any other value means disable eitr, which is best - * served by setting the interrupt rate very high - */ - adapter->rx_eitr_param = IXGBE_MAX_INT_RATE; - adapter->rx_itr_setting = 0; - } - - if (ec->tx_coalesce_usecs > 1) { - /* - * don't have to worry about max_int as above because - * tx vectors don't do hardware RSC (an rx function) - */ - /* check the limits */ - if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) || - (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE)) - return -EINVAL; - - /* store the value in ints/second */ - adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs; - - /* static value of interrupt rate */ - adapter->tx_itr_setting = adapter->tx_eitr_param; - - /* clear the lower bit as its used for dynamic state */ - adapter->tx_itr_setting &= ~1; - } else if (ec->tx_coalesce_usecs == 1) { - /* 1 means dynamic mode */ - adapter->tx_eitr_param = 10000; - adapter->tx_itr_setting = 1; - } else { - adapter->tx_eitr_param = IXGBE_MAX_INT_RATE; - adapter->tx_itr_setting = 0; - } - - /* MSI/MSIx Interrupt Mode */ - if (adapter->flags & - (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) { - int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - for (i = 0; i < num_vectors; i++) { - q_vector = adapter->q_vector[i]; - if (q_vector->txr_count && !q_vector->rxr_count) - /* tx only */ - q_vector->eitr = adapter->tx_eitr_param; - else - /* rx only or mixed */ - q_vector->eitr = adapter->rx_eitr_param; - ixgbe_write_eitr(q_vector); - } - /* Legacy Interrupt Mode */ - } else { - q_vector = adapter->q_vector[0]; - q_vector->eitr = adapter->rx_eitr_param; - ixgbe_write_eitr(q_vector); - } - - /* - * do reset here at the end to make sure EITR==0 case is handled - * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings - * also locks in RSC enable/disable which requires reset - */ - if (need_reset) { - if (netif_running(netdev)) - ixgbe_reinit_locked(adapter); - else - ixgbe_reset(adapter); - } - - return 0; -} - -static int ixgbe_set_flags(struct net_device *netdev, u32 data) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - bool need_reset = false; - int rc; - -#ifdef CONFIG_IXGBE_DCB - if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) && - !(data & ETH_FLAG_RXVLAN)) - return -EINVAL; -#endif - - need_reset = (data & ETH_FLAG_RXVLAN) != - (netdev->features & NETIF_F_HW_VLAN_RX); - - rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | - ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN); - if (rc) - return rc; - - /* if state changes we need to update adapter->flags and reset */ - if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) && - (!!(data & ETH_FLAG_LRO) != - !!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) { - if ((data & ETH_FLAG_LRO) && - (!adapter->rx_itr_setting || - (adapter->rx_itr_setting > IXGBE_MAX_RSC_INT_RATE))) { - e_info(probe, "rx-usecs set too low, " - "not enabling RSC.\n"); - } else { - adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED; - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - need_reset = true; - break; - case ixgbe_mac_X540: { - int i; - for (i = 0; i < adapter->num_rx_queues; i++) { - struct ixgbe_ring *ring = - adapter->rx_ring[i]; - if (adapter->flags2 & - IXGBE_FLAG2_RSC_ENABLED) { - ixgbe_configure_rscctl(adapter, - ring); - } else { - ixgbe_clear_rscctl(adapter, - ring); - } - } - } - break; - default: - break; - } - } - } - - /* - * Check if Flow Director n-tuple support was enabled or disabled. If - * the state changed, we need to reset. - */ - if ((adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) && - (!(data & ETH_FLAG_NTUPLE))) { - /* turn off Flow Director perfect, set hash and reset */ - adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; - adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; - need_reset = true; - } else if ((!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) && - (data & ETH_FLAG_NTUPLE)) { - /* turn off Flow Director hash, enable perfect and reset */ - adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; - adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE; - need_reset = true; - } else { - /* no state change */ - } - - if (need_reset) { - if (netif_running(netdev)) - ixgbe_reinit_locked(adapter); - else - ixgbe_reset(adapter); - } - - return 0; -} - -static int ixgbe_set_rx_ntuple(struct net_device *dev, - struct ethtool_rx_ntuple *cmd) -{ - struct ixgbe_adapter *adapter = netdev_priv(dev); - struct ethtool_rx_ntuple_flow_spec fs = cmd->fs; - struct ixgbe_atr_input input_struct; - struct ixgbe_atr_input_masks input_masks; - int target_queue; - - if (adapter->hw.mac.type == ixgbe_mac_82598EB) - return -EOPNOTSUPP; - - /* - * Don't allow programming if the action is a queue greater than - * the number of online Tx queues. - */ - if ((fs.action >= adapter->num_tx_queues) || - (fs.action < ETHTOOL_RXNTUPLE_ACTION_DROP)) - return -EINVAL; - - memset(&input_struct, 0, sizeof(struct ixgbe_atr_input)); - memset(&input_masks, 0, sizeof(struct ixgbe_atr_input_masks)); - - input_masks.src_ip_mask = fs.m_u.tcp_ip4_spec.ip4src; - input_masks.dst_ip_mask = fs.m_u.tcp_ip4_spec.ip4dst; - input_masks.src_port_mask = fs.m_u.tcp_ip4_spec.psrc; - input_masks.dst_port_mask = fs.m_u.tcp_ip4_spec.pdst; - input_masks.vlan_id_mask = fs.vlan_tag_mask; - /* only use the lowest 2 bytes for flex bytes */ - input_masks.data_mask = (fs.data_mask & 0xffff); - - switch (fs.flow_type) { - case TCP_V4_FLOW: - ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_TCP); - break; - case UDP_V4_FLOW: - ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_UDP); - break; - case SCTP_V4_FLOW: - ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_SCTP); - break; - default: - return -1; - } - - /* Mask bits from the inputs based on user-supplied mask */ - ixgbe_atr_set_src_ipv4_82599(&input_struct, - (fs.h_u.tcp_ip4_spec.ip4src & ~fs.m_u.tcp_ip4_spec.ip4src)); - ixgbe_atr_set_dst_ipv4_82599(&input_struct, - (fs.h_u.tcp_ip4_spec.ip4dst & ~fs.m_u.tcp_ip4_spec.ip4dst)); - /* 82599 expects these to be byte-swapped for perfect filtering */ - ixgbe_atr_set_src_port_82599(&input_struct, - ((ntohs(fs.h_u.tcp_ip4_spec.psrc)) & ~fs.m_u.tcp_ip4_spec.psrc)); - ixgbe_atr_set_dst_port_82599(&input_struct, - ((ntohs(fs.h_u.tcp_ip4_spec.pdst)) & ~fs.m_u.tcp_ip4_spec.pdst)); - - /* VLAN and Flex bytes are either completely masked or not */ - if (!fs.vlan_tag_mask) - ixgbe_atr_set_vlan_id_82599(&input_struct, fs.vlan_tag); - - if (!input_masks.data_mask) - /* make sure we only use the first 2 bytes of user data */ - ixgbe_atr_set_flex_byte_82599(&input_struct, - (fs.data & 0xffff)); - - /* determine if we need to drop or route the packet */ - if (fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP) - target_queue = MAX_RX_QUEUES - 1; - else - target_queue = fs.action; - - spin_lock(&adapter->fdir_perfect_lock); - ixgbe_fdir_add_perfect_filter_82599(&adapter->hw, &input_struct, - &input_masks, 0, target_queue); - spin_unlock(&adapter->fdir_perfect_lock); - - return 0; -} - -static const struct ethtool_ops ixgbe_ethtool_ops = { - .get_settings = ixgbe_get_settings, - .set_settings = ixgbe_set_settings, - .get_drvinfo = ixgbe_get_drvinfo, - .get_regs_len = ixgbe_get_regs_len, - .get_regs = ixgbe_get_regs, - .get_wol = ixgbe_get_wol, - .set_wol = ixgbe_set_wol, - .nway_reset = ixgbe_nway_reset, - .get_link = ethtool_op_get_link, - .get_eeprom_len = ixgbe_get_eeprom_len, - .get_eeprom = ixgbe_get_eeprom, - .get_ringparam = ixgbe_get_ringparam, - .set_ringparam = ixgbe_set_ringparam, - .get_pauseparam = ixgbe_get_pauseparam, - .set_pauseparam = ixgbe_set_pauseparam, - .get_rx_csum = ixgbe_get_rx_csum, - .set_rx_csum = ixgbe_set_rx_csum, - .get_tx_csum = ixgbe_get_tx_csum, - .set_tx_csum = ixgbe_set_tx_csum, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_msglevel = ixgbe_get_msglevel, - .set_msglevel = ixgbe_set_msglevel, - .get_tso = ethtool_op_get_tso, - .set_tso = ixgbe_set_tso, - .self_test = ixgbe_diag_test, - .get_strings = ixgbe_get_strings, - .phys_id = ixgbe_phys_id, - .get_sset_count = ixgbe_get_sset_count, - .get_ethtool_stats = ixgbe_get_ethtool_stats, - .get_coalesce = ixgbe_get_coalesce, - .set_coalesce = ixgbe_set_coalesce, - .get_flags = ethtool_op_get_flags, - .set_flags = ixgbe_set_flags, - .set_rx_ntuple = ixgbe_set_rx_ntuple, -}; - -void ixgbe_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops); -} diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c deleted file mode 100644 index 6342d485979..00000000000 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ /dev/null @@ -1,795 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include "ixgbe.h" -#ifdef CONFIG_IXGBE_DCB -#include "ixgbe_dcb_82599.h" -#endif /* CONFIG_IXGBE_DCB */ -#include <linux/if_ether.h> -#include <linux/gfp.h> -#include <linux/if_vlan.h> -#include <scsi/scsi_cmnd.h> -#include <scsi/scsi_device.h> -#include <scsi/fc/fc_fs.h> -#include <scsi/fc/fc_fcoe.h> -#include <scsi/libfc.h> -#include <scsi/libfcoe.h> - -/** - * ixgbe_rx_is_fcoe - check the rx desc for incoming pkt type - * @rx_desc: advanced rx descriptor - * - * Returns : true if it is FCoE pkt - */ -static inline bool ixgbe_rx_is_fcoe(union ixgbe_adv_rx_desc *rx_desc) -{ - u16 p; - - p = le16_to_cpu(rx_desc->wb.lower.lo_dword.hs_rss.pkt_info); - if (p & IXGBE_RXDADV_PKTTYPE_ETQF) { - p &= IXGBE_RXDADV_PKTTYPE_ETQF_MASK; - p >>= IXGBE_RXDADV_PKTTYPE_ETQF_SHIFT; - return p == IXGBE_ETQF_FILTER_FCOE; - } - return false; -} - -/** - * ixgbe_fcoe_clear_ddp - clear the given ddp context - * @ddp - ptr to the ixgbe_fcoe_ddp - * - * Returns : none - * - */ -static inline void ixgbe_fcoe_clear_ddp(struct ixgbe_fcoe_ddp *ddp) -{ - ddp->len = 0; - ddp->err = 1; - ddp->udl = NULL; - ddp->udp = 0UL; - ddp->sgl = NULL; - ddp->sgc = 0; -} - -/** - * ixgbe_fcoe_ddp_put - free the ddp context for a given xid - * @netdev: the corresponding net_device - * @xid: the xid that corresponding ddp will be freed - * - * This is the implementation of net_device_ops.ndo_fcoe_ddp_done - * and it is expected to be called by ULD, i.e., FCP layer of libfc - * to release the corresponding ddp context when the I/O is done. - * - * Returns : data length already ddp-ed in bytes - */ -int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid) -{ - int len = 0; - struct ixgbe_fcoe *fcoe; - struct ixgbe_adapter *adapter; - struct ixgbe_fcoe_ddp *ddp; - u32 fcbuff; - - if (!netdev) - goto out_ddp_put; - - if (xid >= IXGBE_FCOE_DDP_MAX) - goto out_ddp_put; - - adapter = netdev_priv(netdev); - fcoe = &adapter->fcoe; - ddp = &fcoe->ddp[xid]; - if (!ddp->udl) - goto out_ddp_put; - - len = ddp->len; - /* if there an error, force to invalidate ddp context */ - if (ddp->err) { - spin_lock_bh(&fcoe->lock); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCFLT, 0); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCFLTRW, - (xid | IXGBE_FCFLTRW_WE)); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCBUFF, 0); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW, - (xid | IXGBE_FCDMARW_WE)); - - /* guaranteed to be invalidated after 100us */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW, - (xid | IXGBE_FCDMARW_RE)); - fcbuff = IXGBE_READ_REG(&adapter->hw, IXGBE_FCBUFF); - spin_unlock_bh(&fcoe->lock); - if (fcbuff & IXGBE_FCBUFF_VALID) - udelay(100); - } - if (ddp->sgl) - pci_unmap_sg(adapter->pdev, ddp->sgl, ddp->sgc, - DMA_FROM_DEVICE); - pci_pool_free(fcoe->pool, ddp->udl, ddp->udp); - ixgbe_fcoe_clear_ddp(ddp); - -out_ddp_put: - return len; -} - -/** - * ixgbe_fcoe_ddp_get - called to set up ddp context - * @netdev: the corresponding net_device - * @xid: the exchange id requesting ddp - * @sgl: the scatter-gather list for this request - * @sgc: the number of scatter-gather items - * - * This is the implementation of net_device_ops.ndo_fcoe_ddp_setup - * and is expected to be called from ULD, e.g., FCP layer of libfc - * to set up ddp for the corresponding xid of the given sglist for - * the corresponding I/O. - * - * Returns : 1 for success and 0 for no ddp - */ -int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, - struct scatterlist *sgl, unsigned int sgc) -{ - struct ixgbe_adapter *adapter; - struct ixgbe_hw *hw; - struct ixgbe_fcoe *fcoe; - struct ixgbe_fcoe_ddp *ddp; - struct scatterlist *sg; - unsigned int i, j, dmacount; - unsigned int len; - static const unsigned int bufflen = 4096; - unsigned int firstoff = 0; - unsigned int lastsize; - unsigned int thisoff = 0; - unsigned int thislen = 0; - u32 fcbuff, fcdmarw, fcfltrw; - dma_addr_t addr; - - if (!netdev || !sgl) - return 0; - - adapter = netdev_priv(netdev); - if (xid >= IXGBE_FCOE_DDP_MAX) { - e_warn(drv, "xid=0x%x out-of-range\n", xid); - return 0; - } - - /* no DDP if we are already down or resetting */ - if (test_bit(__IXGBE_DOWN, &adapter->state) || - test_bit(__IXGBE_RESETTING, &adapter->state)) - return 0; - - fcoe = &adapter->fcoe; - if (!fcoe->pool) { - e_warn(drv, "xid=0x%x no ddp pool for fcoe\n", xid); - return 0; - } - - ddp = &fcoe->ddp[xid]; - if (ddp->sgl) { - e_err(drv, "xid 0x%x w/ non-null sgl=%p nents=%d\n", - xid, ddp->sgl, ddp->sgc); - return 0; - } - ixgbe_fcoe_clear_ddp(ddp); - - /* setup dma from scsi command sgl */ - dmacount = pci_map_sg(adapter->pdev, sgl, sgc, DMA_FROM_DEVICE); - if (dmacount == 0) { - e_err(drv, "xid 0x%x DMA map error\n", xid); - return 0; - } - - /* alloc the udl from our ddp pool */ - ddp->udl = pci_pool_alloc(fcoe->pool, GFP_ATOMIC, &ddp->udp); - if (!ddp->udl) { - e_err(drv, "failed allocated ddp context\n"); - goto out_noddp_unmap; - } - ddp->sgl = sgl; - ddp->sgc = sgc; - - j = 0; - for_each_sg(sgl, sg, dmacount, i) { - addr = sg_dma_address(sg); - len = sg_dma_len(sg); - while (len) { - /* max number of buffers allowed in one DDP context */ - if (j >= IXGBE_BUFFCNT_MAX) { - e_err(drv, "xid=%x:%d,%d,%d:addr=%llx " - "not enough descriptors\n", - xid, i, j, dmacount, (u64)addr); - goto out_noddp_free; - } - - /* get the offset of length of current buffer */ - thisoff = addr & ((dma_addr_t)bufflen - 1); - thislen = min((bufflen - thisoff), len); - /* - * all but the 1st buffer (j == 0) - * must be aligned on bufflen - */ - if ((j != 0) && (thisoff)) - goto out_noddp_free; - /* - * all but the last buffer - * ((i == (dmacount - 1)) && (thislen == len)) - * must end at bufflen - */ - if (((i != (dmacount - 1)) || (thislen != len)) - && ((thislen + thisoff) != bufflen)) - goto out_noddp_free; - - ddp->udl[j] = (u64)(addr - thisoff); - /* only the first buffer may have none-zero offset */ - if (j == 0) - firstoff = thisoff; - len -= thislen; - addr += thislen; - j++; - } - } - /* only the last buffer may have non-full bufflen */ - lastsize = thisoff + thislen; - - fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT); - fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT); - fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT); - fcbuff |= (IXGBE_FCBUFF_VALID); - - fcdmarw = xid; - fcdmarw |= IXGBE_FCDMARW_WE; - fcdmarw |= (lastsize << IXGBE_FCDMARW_LASTSIZE_SHIFT); - - fcfltrw = xid; - fcfltrw |= IXGBE_FCFLTRW_WE; - - /* program DMA context */ - hw = &adapter->hw; - spin_lock_bh(&fcoe->lock); - IXGBE_WRITE_REG(hw, IXGBE_FCPTRL, ddp->udp & DMA_BIT_MASK(32)); - IXGBE_WRITE_REG(hw, IXGBE_FCPTRH, (u64)ddp->udp >> 32); - IXGBE_WRITE_REG(hw, IXGBE_FCBUFF, fcbuff); - IXGBE_WRITE_REG(hw, IXGBE_FCDMARW, fcdmarw); - /* program filter context */ - IXGBE_WRITE_REG(hw, IXGBE_FCPARAM, 0); - IXGBE_WRITE_REG(hw, IXGBE_FCFLT, IXGBE_FCFLT_VALID); - IXGBE_WRITE_REG(hw, IXGBE_FCFLTRW, fcfltrw); - spin_unlock_bh(&fcoe->lock); - - return 1; - -out_noddp_free: - pci_pool_free(fcoe->pool, ddp->udl, ddp->udp); - ixgbe_fcoe_clear_ddp(ddp); - -out_noddp_unmap: - pci_unmap_sg(adapter->pdev, sgl, sgc, DMA_FROM_DEVICE); - return 0; -} - -/** - * ixgbe_fcoe_ddp - check ddp status and mark it done - * @adapter: ixgbe adapter - * @rx_desc: advanced rx descriptor - * @skb: the skb holding the received data - * - * This checks ddp status. - * - * Returns : < 0 indicates an error or not a FCiE ddp, 0 indicates - * not passing the skb to ULD, > 0 indicates is the length of data - * being ddped. - */ -int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, - union ixgbe_adv_rx_desc *rx_desc, - struct sk_buff *skb) -{ - u16 xid; - u32 fctl; - u32 sterr, fceofe, fcerr, fcstat; - int rc = -EINVAL; - struct ixgbe_fcoe *fcoe; - struct ixgbe_fcoe_ddp *ddp; - struct fc_frame_header *fh; - - if (!ixgbe_rx_is_fcoe(rx_desc)) - goto ddp_out; - - sterr = le32_to_cpu(rx_desc->wb.upper.status_error); - fcerr = (sterr & IXGBE_RXDADV_ERR_FCERR); - fceofe = (sterr & IXGBE_RXDADV_ERR_FCEOFE); - if (fcerr == IXGBE_FCERR_BADCRC) - skb_checksum_none_assert(skb); - else - skb->ip_summed = CHECKSUM_UNNECESSARY; - - if (eth_hdr(skb)->h_proto == htons(ETH_P_8021Q)) - fh = (struct fc_frame_header *)(skb->data + - sizeof(struct vlan_hdr) + sizeof(struct fcoe_hdr)); - else - fh = (struct fc_frame_header *)(skb->data + - sizeof(struct fcoe_hdr)); - fctl = ntoh24(fh->fh_f_ctl); - if (fctl & FC_FC_EX_CTX) - xid = be16_to_cpu(fh->fh_ox_id); - else - xid = be16_to_cpu(fh->fh_rx_id); - - if (xid >= IXGBE_FCOE_DDP_MAX) - goto ddp_out; - - fcoe = &adapter->fcoe; - ddp = &fcoe->ddp[xid]; - if (!ddp->udl) - goto ddp_out; - - ddp->err = (fcerr | fceofe); - if (ddp->err) - goto ddp_out; - - fcstat = (sterr & IXGBE_RXDADV_STAT_FCSTAT); - if (fcstat) { - /* update length of DDPed data */ - ddp->len = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss); - /* unmap the sg list when FCP_RSP is received */ - if (fcstat == IXGBE_RXDADV_STAT_FCSTAT_FCPRSP) { - pci_unmap_sg(adapter->pdev, ddp->sgl, - ddp->sgc, DMA_FROM_DEVICE); - ddp->sgl = NULL; - ddp->sgc = 0; - } - /* return 0 to bypass going to ULD for DDPed data */ - if (fcstat == IXGBE_RXDADV_STAT_FCSTAT_DDP) - rc = 0; - else if (ddp->len) - rc = ddp->len; - } - -ddp_out: - return rc; -} - -/** - * ixgbe_fso - ixgbe FCoE Sequence Offload (FSO) - * @adapter: ixgbe adapter - * @tx_ring: tx desc ring - * @skb: associated skb - * @tx_flags: tx flags - * @hdr_len: hdr_len to be returned - * - * This sets up large send offload for FCoE - * - * Returns : 0 indicates no FSO, > 0 for FSO, < 0 for error - */ -int ixgbe_fso(struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring, struct sk_buff *skb, - u32 tx_flags, u8 *hdr_len) -{ - u8 sof, eof; - u32 vlan_macip_lens; - u32 fcoe_sof_eof; - u32 type_tucmd; - u32 mss_l4len_idx; - int mss = 0; - unsigned int i; - struct ixgbe_tx_buffer *tx_buffer_info; - struct ixgbe_adv_tx_context_desc *context_desc; - struct fc_frame_header *fh; - - if (skb_is_gso(skb) && (skb_shinfo(skb)->gso_type != SKB_GSO_FCOE)) { - e_err(drv, "Wrong gso type %d:expecting SKB_GSO_FCOE\n", - skb_shinfo(skb)->gso_type); - return -EINVAL; - } - - /* resets the header to point fcoe/fc */ - skb_set_network_header(skb, skb->mac_len); - skb_set_transport_header(skb, skb->mac_len + - sizeof(struct fcoe_hdr)); - - /* sets up SOF and ORIS */ - fcoe_sof_eof = 0; - sof = ((struct fcoe_hdr *)skb_network_header(skb))->fcoe_sof; - switch (sof) { - case FC_SOF_I2: - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_ORIS; - break; - case FC_SOF_I3: - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_SOF; - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_ORIS; - break; - case FC_SOF_N2: - break; - case FC_SOF_N3: - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_SOF; - break; - default: - e_warn(drv, "unknown sof = 0x%x\n", sof); - return -EINVAL; - } - - /* the first byte of the last dword is EOF */ - skb_copy_bits(skb, skb->len - 4, &eof, 1); - /* sets up EOF and ORIE */ - switch (eof) { - case FC_EOF_N: - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_N; - break; - case FC_EOF_T: - /* lso needs ORIE */ - if (skb_is_gso(skb)) { - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_N; - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_ORIE; - } else { - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_T; - } - break; - case FC_EOF_NI: - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_NI; - break; - case FC_EOF_A: - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_A; - break; - default: - e_warn(drv, "unknown eof = 0x%x\n", eof); - return -EINVAL; - } - - /* sets up PARINC indicating data offset */ - fh = (struct fc_frame_header *)skb_transport_header(skb); - if (fh->fh_f_ctl[2] & FC_FC_REL_OFF) - fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_PARINC; - - /* hdr_len includes fc_hdr if FCoE lso is enabled */ - *hdr_len = sizeof(struct fcoe_crc_eof); - if (skb_is_gso(skb)) - *hdr_len += (skb_transport_offset(skb) + - sizeof(struct fc_frame_header)); - /* vlan_macip_lens: HEADLEN, MACLEN, VLAN tag */ - vlan_macip_lens = (skb_transport_offset(skb) + - sizeof(struct fc_frame_header)); - vlan_macip_lens |= ((skb_transport_offset(skb) - 4) - << IXGBE_ADVTXD_MACLEN_SHIFT); - vlan_macip_lens |= (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK); - - /* type_tycmd and mss: set TUCMD.FCoE to enable offload */ - type_tucmd = IXGBE_TXD_CMD_DEXT | IXGBE_ADVTXD_DTYP_CTXT | - IXGBE_ADVTXT_TUCMD_FCOE; - if (skb_is_gso(skb)) - mss = skb_shinfo(skb)->gso_size; - /* mss_l4len_id: use 1 for FSO as TSO, no need for L4LEN */ - mss_l4len_idx = (mss << IXGBE_ADVTXD_MSS_SHIFT) | - (1 << IXGBE_ADVTXD_IDX_SHIFT); - - /* write context desc */ - i = tx_ring->next_to_use; - context_desc = IXGBE_TX_CTXTDESC_ADV(tx_ring, i); - context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens); - context_desc->seqnum_seed = cpu_to_le32(fcoe_sof_eof); - context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd); - context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx); - - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - tx_buffer_info->time_stamp = jiffies; - tx_buffer_info->next_to_watch = i; - - i++; - if (i == tx_ring->count) - i = 0; - tx_ring->next_to_use = i; - - return skb_is_gso(skb); -} - -/** - * ixgbe_configure_fcoe - configures registers for fcoe at start - * @adapter: ptr to ixgbe adapter - * - * This sets up FCoE related registers - * - * Returns : none - */ -void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter) -{ - int i, fcoe_q, fcoe_i; - struct ixgbe_hw *hw = &adapter->hw; - struct ixgbe_fcoe *fcoe = &adapter->fcoe; - struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE]; -#ifdef CONFIG_IXGBE_DCB - u8 tc; - u32 up2tc; -#endif - - /* create the pool for ddp if not created yet */ - if (!fcoe->pool) { - /* allocate ddp pool */ - fcoe->pool = pci_pool_create("ixgbe_fcoe_ddp", - adapter->pdev, IXGBE_FCPTR_MAX, - IXGBE_FCPTR_ALIGN, PAGE_SIZE); - if (!fcoe->pool) - e_err(drv, "failed to allocated FCoE DDP pool\n"); - - spin_lock_init(&fcoe->lock); - } - - /* Enable L2 eth type filter for FCoE */ - IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FCOE), - (ETH_P_FCOE | IXGBE_ETQF_FCOE | IXGBE_ETQF_FILTER_EN)); - /* Enable L2 eth type filter for FIP */ - IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FIP), - (ETH_P_FIP | IXGBE_ETQF_FILTER_EN)); - if (adapter->ring_feature[RING_F_FCOE].indices) { - /* Use multiple rx queues for FCoE by redirection table */ - for (i = 0; i < IXGBE_FCRETA_SIZE; i++) { - fcoe_i = f->mask + i % f->indices; - fcoe_i &= IXGBE_FCRETA_ENTRY_MASK; - fcoe_q = adapter->rx_ring[fcoe_i]->reg_idx; - IXGBE_WRITE_REG(hw, IXGBE_FCRETA(i), fcoe_q); - } - IXGBE_WRITE_REG(hw, IXGBE_FCRECTL, IXGBE_FCRECTL_ENA); - IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FCOE), 0); - } else { - /* Use single rx queue for FCoE */ - fcoe_i = f->mask; - fcoe_q = adapter->rx_ring[fcoe_i]->reg_idx; - IXGBE_WRITE_REG(hw, IXGBE_FCRECTL, 0); - IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FCOE), - IXGBE_ETQS_QUEUE_EN | - (fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT)); - } - /* send FIP frames to the first FCoE queue */ - fcoe_i = f->mask; - fcoe_q = adapter->rx_ring[fcoe_i]->reg_idx; - IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FIP), - IXGBE_ETQS_QUEUE_EN | - (fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT)); - - IXGBE_WRITE_REG(hw, IXGBE_FCRXCTRL, - IXGBE_FCRXCTRL_FCOELLI | - IXGBE_FCRXCTRL_FCCRCBO | - (FC_FCOE_VER << IXGBE_FCRXCTRL_FCOEVER_SHIFT)); -#ifdef CONFIG_IXGBE_DCB - up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC); - for (i = 0; i < MAX_USER_PRIORITY; i++) { - tc = (u8)(up2tc >> (i * IXGBE_RTTUP2TC_UP_SHIFT)); - tc &= (MAX_TRAFFIC_CLASS - 1); - if (fcoe->tc == tc) { - fcoe->up = i; - break; - } - } -#endif -} - -/** - * ixgbe_cleanup_fcoe - release all fcoe ddp context resources - * @adapter : ixgbe adapter - * - * Cleans up outstanding ddp context resources - * - * Returns : none - */ -void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter) -{ - int i; - struct ixgbe_fcoe *fcoe = &adapter->fcoe; - - /* release ddp resource */ - if (fcoe->pool) { - for (i = 0; i < IXGBE_FCOE_DDP_MAX; i++) - ixgbe_fcoe_ddp_put(adapter->netdev, i); - pci_pool_destroy(fcoe->pool); - fcoe->pool = NULL; - } -} - -/** - * ixgbe_fcoe_enable - turn on FCoE offload feature - * @netdev: the corresponding netdev - * - * Turns on FCoE offload feature in 82599. - * - * Returns : 0 indicates success or -EINVAL on failure - */ -int ixgbe_fcoe_enable(struct net_device *netdev) -{ - int rc = -EINVAL; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_fcoe *fcoe = &adapter->fcoe; - - - if (!(adapter->flags & IXGBE_FLAG_FCOE_CAPABLE)) - goto out_enable; - - atomic_inc(&fcoe->refcnt); - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) - goto out_enable; - - e_info(drv, "Enabling FCoE offload features.\n"); - if (netif_running(netdev)) - netdev->netdev_ops->ndo_stop(netdev); - - ixgbe_clear_interrupt_scheme(adapter); - - adapter->flags |= IXGBE_FLAG_FCOE_ENABLED; - adapter->ring_feature[RING_F_FCOE].indices = IXGBE_FCRETA_SIZE; - netdev->features |= NETIF_F_FCOE_CRC; - netdev->features |= NETIF_F_FSO; - netdev->features |= NETIF_F_FCOE_MTU; - netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1; - - ixgbe_init_interrupt_scheme(adapter); - netdev_features_change(netdev); - - if (netif_running(netdev)) - netdev->netdev_ops->ndo_open(netdev); - rc = 0; - -out_enable: - return rc; -} - -/** - * ixgbe_fcoe_disable - turn off FCoE offload feature - * @netdev: the corresponding netdev - * - * Turns off FCoE offload feature in 82599. - * - * Returns : 0 indicates success or -EINVAL on failure - */ -int ixgbe_fcoe_disable(struct net_device *netdev) -{ - int rc = -EINVAL; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_fcoe *fcoe = &adapter->fcoe; - - if (!(adapter->flags & IXGBE_FLAG_FCOE_CAPABLE)) - goto out_disable; - - if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) - goto out_disable; - - if (!atomic_dec_and_test(&fcoe->refcnt)) - goto out_disable; - - e_info(drv, "Disabling FCoE offload features.\n"); - netdev->features &= ~NETIF_F_FCOE_CRC; - netdev->features &= ~NETIF_F_FSO; - netdev->features &= ~NETIF_F_FCOE_MTU; - netdev->fcoe_ddp_xid = 0; - netdev_features_change(netdev); - - if (netif_running(netdev)) - netdev->netdev_ops->ndo_stop(netdev); - - ixgbe_clear_interrupt_scheme(adapter); - adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; - adapter->ring_feature[RING_F_FCOE].indices = 0; - ixgbe_cleanup_fcoe(adapter); - ixgbe_init_interrupt_scheme(adapter); - - if (netif_running(netdev)) - netdev->netdev_ops->ndo_open(netdev); - rc = 0; - -out_disable: - return rc; -} - -#ifdef CONFIG_IXGBE_DCB -/** - * ixgbe_fcoe_getapp - retrieves current user priority bitmap for FCoE - * @adapter : ixgbe adapter - * - * Finds out the corresponding user priority bitmap from the current - * traffic class that FCoE belongs to. Returns 0 as the invalid user - * priority bitmap to indicate an error. - * - * Returns : 802.1p user priority bitmap for FCoE - */ -u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter) -{ - return 1 << adapter->fcoe.up; -} - -/** - * ixgbe_fcoe_setapp - sets the user priority bitmap for FCoE - * @adapter : ixgbe adapter - * @up : 802.1p user priority bitmap - * - * Finds out the traffic class from the input user priority - * bitmap for FCoE. - * - * Returns : 0 on success otherwise returns 1 on error - */ -u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up) -{ - int i; - u32 up2tc; - - /* valid user priority bitmap must not be 0 */ - if (up) { - /* from user priority to the corresponding traffic class */ - up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC); - for (i = 0; i < MAX_USER_PRIORITY; i++) { - if (up & (1 << i)) { - up2tc >>= (i * IXGBE_RTTUP2TC_UP_SHIFT); - up2tc &= (MAX_TRAFFIC_CLASS - 1); - adapter->fcoe.tc = (u8)up2tc; - adapter->fcoe.up = i; - return 0; - } - } - } - - return 1; -} -#endif /* CONFIG_IXGBE_DCB */ - -/** - * ixgbe_fcoe_get_wwn - get world wide name for the node or the port - * @netdev : ixgbe adapter - * @wwn : the world wide name - * @type: the type of world wide name - * - * Returns the node or port world wide name if both the prefix and the san - * mac address are valid, then the wwn is formed based on the NAA-2 for - * IEEE Extended name identifier (ref. to T10 FC-LS Spec., Sec. 15.3). - * - * Returns : 0 on success - */ -int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type) -{ - int rc = -EINVAL; - u16 prefix = 0xffff; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_mac_info *mac = &adapter->hw.mac; - - switch (type) { - case NETDEV_FCOE_WWNN: - prefix = mac->wwnn_prefix; - break; - case NETDEV_FCOE_WWPN: - prefix = mac->wwpn_prefix; - break; - default: - break; - } - - if ((prefix != 0xffff) && - is_valid_ether_addr(mac->san_addr)) { - *wwn = ((u64) prefix << 48) | - ((u64) mac->san_addr[0] << 40) | - ((u64) mac->san_addr[1] << 32) | - ((u64) mac->san_addr[2] << 24) | - ((u64) mac->san_addr[3] << 16) | - ((u64) mac->san_addr[4] << 8) | - ((u64) mac->san_addr[5]); - rc = 0; - } - return rc; -} - - diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h deleted file mode 100644 index 4bc2c551c8d..00000000000 --- a/drivers/net/ixgbe/ixgbe_fcoe.h +++ /dev/null @@ -1,75 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _IXGBE_FCOE_H -#define _IXGBE_FCOE_H - -#include <scsi/fc/fc_fs.h> -#include <scsi/fc/fc_fcoe.h> - -/* shift bits within STAT fo FCSTAT */ -#define IXGBE_RXDADV_FCSTAT_SHIFT 4 - -/* ddp user buffer */ -#define IXGBE_BUFFCNT_MAX 256 /* 8 bits bufcnt */ -#define IXGBE_FCPTR_ALIGN 16 -#define IXGBE_FCPTR_MAX (IXGBE_BUFFCNT_MAX * sizeof(dma_addr_t)) -#define IXGBE_FCBUFF_4KB 0x0 -#define IXGBE_FCBUFF_8KB 0x1 -#define IXGBE_FCBUFF_16KB 0x2 -#define IXGBE_FCBUFF_64KB 0x3 -#define IXGBE_FCBUFF_MAX 65536 /* 64KB max */ -#define IXGBE_FCBUFF_MIN 4096 /* 4KB min */ -#define IXGBE_FCOE_DDP_MAX 512 /* 9 bits xid */ - -/* Default traffic class to use for FCoE */ -#define IXGBE_FCOE_DEFTC 3 - -/* fcerr */ -#define IXGBE_FCERR_BADCRC 0x00100000 - -struct ixgbe_fcoe_ddp { - int len; - u32 err; - unsigned int sgc; - struct scatterlist *sgl; - dma_addr_t udp; - u64 *udl; -}; - -struct ixgbe_fcoe { -#ifdef CONFIG_IXGBE_DCB - u8 tc; - u8 up; -#endif - atomic_t refcnt; - spinlock_t lock; - struct pci_pool *pool; - struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX]; -}; - -#endif /* _IXGBE_FCOE_H */ diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c deleted file mode 100644 index a12e86fccb0..00000000000 --- a/drivers/net/ixgbe/ixgbe_main.c +++ /dev/null @@ -1,7597 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/vmalloc.h> -#include <linux/string.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/tcp.h> -#include <linux/pkt_sched.h> -#include <linux/ipv6.h> -#include <linux/slab.h> -#include <net/checksum.h> -#include <net/ip6_checksum.h> -#include <linux/ethtool.h> -#include <linux/if_vlan.h> -#include <scsi/fc/fc_fcoe.h> - -#include "ixgbe.h" -#include "ixgbe_common.h" -#include "ixgbe_dcb_82599.h" -#include "ixgbe_sriov.h" - -char ixgbe_driver_name[] = "ixgbe"; -static const char ixgbe_driver_string[] = - "Intel(R) 10 Gigabit PCI Express Network Driver"; - -#define DRV_VERSION "3.0.12-k2" -const char ixgbe_driver_version[] = DRV_VERSION; -static char ixgbe_copyright[] = "Copyright (c) 1999-2010 Intel Corporation."; - -static const struct ixgbe_info *ixgbe_info_tbl[] = { - [board_82598] = &ixgbe_82598_info, - [board_82599] = &ixgbe_82599_info, - [board_X540] = &ixgbe_X540_info, -}; - -/* ixgbe_pci_tbl - PCI Device ID Table - * - * Wildcard entries (PCI_ANY_ID) should come last - * Last entry must be all 0s - * - * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, - * Class, Class Mask, private data (not used) } - */ -static DEFINE_PCI_DEVICE_TABLE(ixgbe_pci_tbl) = { - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_DUAL_PORT), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_SINGLE_PORT), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AT), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AT2), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_CX4), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_CX4_DUAL_PORT), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_DA_DUAL_PORT), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_XF_LR), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_SFP_LOM), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_BX), - board_82598 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KX4), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_XAUI_LOM), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KR), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_EM), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KX4_MEZZ), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_CX4), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_BACKPLANE_FCOE), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_FCOE), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_T3_LOM), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_COMBO_BACKPLANE), - board_82599 }, - {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540T), - board_82599 }, - - /* required last entry */ - {0, } -}; -MODULE_DEVICE_TABLE(pci, ixgbe_pci_tbl); - -#ifdef CONFIG_IXGBE_DCA -static int ixgbe_notify_dca(struct notifier_block *, unsigned long event, - void *p); -static struct notifier_block dca_notifier = { - .notifier_call = ixgbe_notify_dca, - .next = NULL, - .priority = 0 -}; -#endif - -#ifdef CONFIG_PCI_IOV -static unsigned int max_vfs; -module_param(max_vfs, uint, 0); -MODULE_PARM_DESC(max_vfs, - "Maximum number of virtual functions to allocate per physical function"); -#endif /* CONFIG_PCI_IOV */ - -MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); -MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_VERSION); - -#define DEFAULT_DEBUG_LEVEL_SHIFT 3 - -static inline void ixgbe_disable_sriov(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 gcr; - u32 gpie; - u32 vmdctl; - -#ifdef CONFIG_PCI_IOV - /* disable iov and allow time for transactions to clear */ - pci_disable_sriov(adapter->pdev); -#endif - - /* turn off device IOV mode */ - gcr = IXGBE_READ_REG(hw, IXGBE_GCR_EXT); - gcr &= ~(IXGBE_GCR_EXT_SRIOV); - IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, gcr); - gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); - gpie &= ~IXGBE_GPIE_VTMODE_MASK; - IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); - - /* set default pool back to 0 */ - vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); - vmdctl &= ~IXGBE_VT_CTL_POOL_MASK; - IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl); - - /* take a breather then clean up driver data */ - msleep(100); - - kfree(adapter->vfinfo); - adapter->vfinfo = NULL; - - adapter->num_vfs = 0; - adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; -} - -struct ixgbe_reg_info { - u32 ofs; - char *name; -}; - -static const struct ixgbe_reg_info ixgbe_reg_info_tbl[] = { - - /* General Registers */ - {IXGBE_CTRL, "CTRL"}, - {IXGBE_STATUS, "STATUS"}, - {IXGBE_CTRL_EXT, "CTRL_EXT"}, - - /* Interrupt Registers */ - {IXGBE_EICR, "EICR"}, - - /* RX Registers */ - {IXGBE_SRRCTL(0), "SRRCTL"}, - {IXGBE_DCA_RXCTRL(0), "DRXCTL"}, - {IXGBE_RDLEN(0), "RDLEN"}, - {IXGBE_RDH(0), "RDH"}, - {IXGBE_RDT(0), "RDT"}, - {IXGBE_RXDCTL(0), "RXDCTL"}, - {IXGBE_RDBAL(0), "RDBAL"}, - {IXGBE_RDBAH(0), "RDBAH"}, - - /* TX Registers */ - {IXGBE_TDBAL(0), "TDBAL"}, - {IXGBE_TDBAH(0), "TDBAH"}, - {IXGBE_TDLEN(0), "TDLEN"}, - {IXGBE_TDH(0), "TDH"}, - {IXGBE_TDT(0), "TDT"}, - {IXGBE_TXDCTL(0), "TXDCTL"}, - - /* List Terminator */ - {} -}; - - -/* - * ixgbe_regdump - register printout routine - */ -static void ixgbe_regdump(struct ixgbe_hw *hw, struct ixgbe_reg_info *reginfo) -{ - int i = 0, j = 0; - char rname[16]; - u32 regs[64]; - - switch (reginfo->ofs) { - case IXGBE_SRRCTL(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i)); - break; - case IXGBE_DCA_RXCTRL(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i)); - break; - case IXGBE_RDLEN(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i)); - break; - case IXGBE_RDH(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_RDH(i)); - break; - case IXGBE_RDT(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_RDT(i)); - break; - case IXGBE_RXDCTL(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i)); - break; - case IXGBE_RDBAL(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i)); - break; - case IXGBE_RDBAH(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i)); - break; - case IXGBE_TDBAL(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i)); - break; - case IXGBE_TDBAH(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i)); - break; - case IXGBE_TDLEN(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i)); - break; - case IXGBE_TDH(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_TDH(i)); - break; - case IXGBE_TDT(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_TDT(i)); - break; - case IXGBE_TXDCTL(0): - for (i = 0; i < 64; i++) - regs[i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i)); - break; - default: - pr_info("%-15s %08x\n", reginfo->name, - IXGBE_READ_REG(hw, reginfo->ofs)); - return; - } - - for (i = 0; i < 8; i++) { - snprintf(rname, 16, "%s[%d-%d]", reginfo->name, i*8, i*8+7); - pr_err("%-15s", rname); - for (j = 0; j < 8; j++) - pr_cont(" %08x", regs[i*8+j]); - pr_cont("\n"); - } - -} - -/* - * ixgbe_dump - Print registers, tx-rings and rx-rings - */ -static void ixgbe_dump(struct ixgbe_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct ixgbe_hw *hw = &adapter->hw; - struct ixgbe_reg_info *reginfo; - int n = 0; - struct ixgbe_ring *tx_ring; - struct ixgbe_tx_buffer *tx_buffer_info; - union ixgbe_adv_tx_desc *tx_desc; - struct my_u0 { u64 a; u64 b; } *u0; - struct ixgbe_ring *rx_ring; - union ixgbe_adv_rx_desc *rx_desc; - struct ixgbe_rx_buffer *rx_buffer_info; - u32 staterr; - int i = 0; - - if (!netif_msg_hw(adapter)) - return; - - /* Print netdevice Info */ - if (netdev) { - dev_info(&adapter->pdev->dev, "Net device Info\n"); - pr_info("Device Name state " - "trans_start last_rx\n"); - pr_info("%-15s %016lX %016lX %016lX\n", - netdev->name, - netdev->state, - netdev->trans_start, - netdev->last_rx); - } - - /* Print Registers */ - dev_info(&adapter->pdev->dev, "Register Dump\n"); - pr_info(" Register Name Value\n"); - for (reginfo = (struct ixgbe_reg_info *)ixgbe_reg_info_tbl; - reginfo->name; reginfo++) { - ixgbe_regdump(hw, reginfo); - } - - /* Print TX Ring Summary */ - if (!netdev || !netif_running(netdev)) - goto exit; - - dev_info(&adapter->pdev->dev, "TX Rings Summary\n"); - pr_info("Queue [NTU] [NTC] [bi(ntc)->dma ] leng ntw timestamp\n"); - for (n = 0; n < adapter->num_tx_queues; n++) { - tx_ring = adapter->tx_ring[n]; - tx_buffer_info = - &tx_ring->tx_buffer_info[tx_ring->next_to_clean]; - pr_info(" %5d %5X %5X %016llX %04X %3X %016llX\n", - n, tx_ring->next_to_use, tx_ring->next_to_clean, - (u64)tx_buffer_info->dma, - tx_buffer_info->length, - tx_buffer_info->next_to_watch, - (u64)tx_buffer_info->time_stamp); - } - - /* Print TX Rings */ - if (!netif_msg_tx_done(adapter)) - goto rx_ring_summary; - - dev_info(&adapter->pdev->dev, "TX Rings Dump\n"); - - /* Transmit Descriptor Formats - * - * Advanced Transmit Descriptor - * +--------------------------------------------------------------+ - * 0 | Buffer Address [63:0] | - * +--------------------------------------------------------------+ - * 8 | PAYLEN | PORTS | IDX | STA | DCMD |DTYP | RSV | DTALEN | - * +--------------------------------------------------------------+ - * 63 46 45 40 39 36 35 32 31 24 23 20 19 0 - */ - - for (n = 0; n < adapter->num_tx_queues; n++) { - tx_ring = adapter->tx_ring[n]; - pr_info("------------------------------------\n"); - pr_info("TX QUEUE INDEX = %d\n", tx_ring->queue_index); - pr_info("------------------------------------\n"); - pr_info("T [desc] [address 63:0 ] " - "[PlPOIdStDDt Ln] [bi->dma ] " - "leng ntw timestamp bi->skb\n"); - - for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) { - tx_desc = IXGBE_TX_DESC_ADV(tx_ring, i); - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - u0 = (struct my_u0 *)tx_desc; - pr_info("T [0x%03X] %016llX %016llX %016llX" - " %04X %3X %016llX %p", i, - le64_to_cpu(u0->a), - le64_to_cpu(u0->b), - (u64)tx_buffer_info->dma, - tx_buffer_info->length, - tx_buffer_info->next_to_watch, - (u64)tx_buffer_info->time_stamp, - tx_buffer_info->skb); - if (i == tx_ring->next_to_use && - i == tx_ring->next_to_clean) - pr_cont(" NTC/U\n"); - else if (i == tx_ring->next_to_use) - pr_cont(" NTU\n"); - else if (i == tx_ring->next_to_clean) - pr_cont(" NTC\n"); - else - pr_cont("\n"); - - if (netif_msg_pktdata(adapter) && - tx_buffer_info->dma != 0) - print_hex_dump(KERN_INFO, "", - DUMP_PREFIX_ADDRESS, 16, 1, - phys_to_virt(tx_buffer_info->dma), - tx_buffer_info->length, true); - } - } - - /* Print RX Rings Summary */ -rx_ring_summary: - dev_info(&adapter->pdev->dev, "RX Rings Summary\n"); - pr_info("Queue [NTU] [NTC]\n"); - for (n = 0; n < adapter->num_rx_queues; n++) { - rx_ring = adapter->rx_ring[n]; - pr_info("%5d %5X %5X\n", - n, rx_ring->next_to_use, rx_ring->next_to_clean); - } - - /* Print RX Rings */ - if (!netif_msg_rx_status(adapter)) - goto exit; - - dev_info(&adapter->pdev->dev, "RX Rings Dump\n"); - - /* Advanced Receive Descriptor (Read) Format - * 63 1 0 - * +-----------------------------------------------------+ - * 0 | Packet Buffer Address [63:1] |A0/NSE| - * +----------------------------------------------+------+ - * 8 | Header Buffer Address [63:1] | DD | - * +-----------------------------------------------------+ - * - * - * Advanced Receive Descriptor (Write-Back) Format - * - * 63 48 47 32 31 30 21 20 16 15 4 3 0 - * +------------------------------------------------------+ - * 0 | Packet IP |SPH| HDR_LEN | RSV|Packet| RSS | - * | Checksum Ident | | | | Type | Type | - * +------------------------------------------------------+ - * 8 | VLAN Tag | Length | Extended Error | Extended Status | - * +------------------------------------------------------+ - * 63 48 47 32 31 20 19 0 - */ - for (n = 0; n < adapter->num_rx_queues; n++) { - rx_ring = adapter->rx_ring[n]; - pr_info("------------------------------------\n"); - pr_info("RX QUEUE INDEX = %d\n", rx_ring->queue_index); - pr_info("------------------------------------\n"); - pr_info("R [desc] [ PktBuf A0] " - "[ HeadBuf DD] [bi->dma ] [bi->skb] " - "<-- Adv Rx Read format\n"); - pr_info("RWB[desc] [PcsmIpSHl PtRs] " - "[vl er S cks ln] ---------------- [bi->skb] " - "<-- Adv Rx Write-Back format\n"); - - for (i = 0; i < rx_ring->count; i++) { - rx_buffer_info = &rx_ring->rx_buffer_info[i]; - rx_desc = IXGBE_RX_DESC_ADV(rx_ring, i); - u0 = (struct my_u0 *)rx_desc; - staterr = le32_to_cpu(rx_desc->wb.upper.status_error); - if (staterr & IXGBE_RXD_STAT_DD) { - /* Descriptor Done */ - pr_info("RWB[0x%03X] %016llX " - "%016llX ---------------- %p", i, - le64_to_cpu(u0->a), - le64_to_cpu(u0->b), - rx_buffer_info->skb); - } else { - pr_info("R [0x%03X] %016llX " - "%016llX %016llX %p", i, - le64_to_cpu(u0->a), - le64_to_cpu(u0->b), - (u64)rx_buffer_info->dma, - rx_buffer_info->skb); - - if (netif_msg_pktdata(adapter)) { - print_hex_dump(KERN_INFO, "", - DUMP_PREFIX_ADDRESS, 16, 1, - phys_to_virt(rx_buffer_info->dma), - rx_ring->rx_buf_len, true); - - if (rx_ring->rx_buf_len - < IXGBE_RXBUFFER_2048) - print_hex_dump(KERN_INFO, "", - DUMP_PREFIX_ADDRESS, 16, 1, - phys_to_virt( - rx_buffer_info->page_dma + - rx_buffer_info->page_offset - ), - PAGE_SIZE/2, true); - } - } - - if (i == rx_ring->next_to_use) - pr_cont(" NTU\n"); - else if (i == rx_ring->next_to_clean) - pr_cont(" NTC\n"); - else - pr_cont("\n"); - - } - } - -exit: - return; -} - -static void ixgbe_release_hw_control(struct ixgbe_adapter *adapter) -{ - u32 ctrl_ext; - - /* Let firmware take over control of h/w */ - ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, - ctrl_ext & ~IXGBE_CTRL_EXT_DRV_LOAD); -} - -static void ixgbe_get_hw_control(struct ixgbe_adapter *adapter) -{ - u32 ctrl_ext; - - /* Let firmware know the driver has taken over */ - ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, - ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD); -} - -/* - * ixgbe_set_ivar - set the IVAR registers, mapping interrupt causes to vectors - * @adapter: pointer to adapter struct - * @direction: 0 for Rx, 1 for Tx, -1 for other causes - * @queue: queue to map the corresponding interrupt to - * @msix_vector: the vector to map to the corresponding queue - * - */ -static void ixgbe_set_ivar(struct ixgbe_adapter *adapter, s8 direction, - u8 queue, u8 msix_vector) -{ - u32 ivar, index; - struct ixgbe_hw *hw = &adapter->hw; - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - msix_vector |= IXGBE_IVAR_ALLOC_VAL; - if (direction == -1) - direction = 0; - index = (((direction * 64) + queue) >> 2) & 0x1F; - ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); - ivar &= ~(0xFF << (8 * (queue & 0x3))); - ivar |= (msix_vector << (8 * (queue & 0x3))); - IXGBE_WRITE_REG(hw, IXGBE_IVAR(index), ivar); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - if (direction == -1) { - /* other causes */ - msix_vector |= IXGBE_IVAR_ALLOC_VAL; - index = ((queue & 1) * 8); - ivar = IXGBE_READ_REG(&adapter->hw, IXGBE_IVAR_MISC); - ivar &= ~(0xFF << index); - ivar |= (msix_vector << index); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR_MISC, ivar); - break; - } else { - /* tx or rx causes */ - msix_vector |= IXGBE_IVAR_ALLOC_VAL; - index = ((16 * (queue & 1)) + (8 * direction)); - ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(queue >> 1)); - ivar &= ~(0xFF << index); - ivar |= (msix_vector << index); - IXGBE_WRITE_REG(hw, IXGBE_IVAR(queue >> 1), ivar); - break; - } - default: - break; - } -} - -static inline void ixgbe_irq_rearm_queues(struct ixgbe_adapter *adapter, - u64 qmask) -{ - u32 mask; - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - mask = (IXGBE_EIMS_RTX_QUEUE & qmask); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - mask = (qmask & 0xFFFFFFFF); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); - mask = (qmask >> 32); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); - break; - default: - break; - } -} - -void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *tx_ring, - struct ixgbe_tx_buffer *tx_buffer_info) -{ - if (tx_buffer_info->dma) { - if (tx_buffer_info->mapped_as_page) - dma_unmap_page(tx_ring->dev, - tx_buffer_info->dma, - tx_buffer_info->length, - DMA_TO_DEVICE); - else - dma_unmap_single(tx_ring->dev, - tx_buffer_info->dma, - tx_buffer_info->length, - DMA_TO_DEVICE); - tx_buffer_info->dma = 0; - } - if (tx_buffer_info->skb) { - dev_kfree_skb_any(tx_buffer_info->skb); - tx_buffer_info->skb = NULL; - } - tx_buffer_info->time_stamp = 0; - /* tx_buffer_info must be completely set up in the transmit path */ -} - -/** - * ixgbe_dcb_txq_to_tc - convert a reg index to a traffic class - * @adapter: driver private struct - * @index: reg idx of queue to query (0-127) - * - * Helper function to determine the traffic index for a paticular - * register index. - * - * Returns : a tc index for use in range 0-7, or 0-3 - */ -u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 reg_idx) -{ - int tc = -1; - int dcb_i = adapter->ring_feature[RING_F_DCB].indices; - - /* if DCB is not enabled the queues have no TC */ - if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) - return tc; - - /* check valid range */ - if (reg_idx >= adapter->hw.mac.max_tx_queues) - return tc; - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - tc = reg_idx >> 2; - break; - default: - if (dcb_i != 4 && dcb_i != 8) - break; - - /* if VMDq is enabled the lowest order bits determine TC */ - if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED | - IXGBE_FLAG_VMDQ_ENABLED)) { - tc = reg_idx & (dcb_i - 1); - break; - } - - /* - * Convert the reg_idx into the correct TC. This bitmask - * targets the last full 32 ring traffic class and assigns - * it a value of 1. From there the rest of the rings are - * based on shifting the mask further up to include the - * reg_idx / 16 and then reg_idx / 8. It assumes dcB_i - * will only ever be 8 or 4 and that reg_idx will never - * be greater then 128. The code without the power of 2 - * optimizations would be: - * (((reg_idx % 32) + 32) * dcb_i) >> (9 - reg_idx / 32) - */ - tc = ((reg_idx & 0X1F) + 0x20) * dcb_i; - tc >>= 9 - (reg_idx >> 5); - } - - return tc; -} - -static void ixgbe_update_xoff_received(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - struct ixgbe_hw_stats *hwstats = &adapter->stats; - u32 data = 0; - u32 xoff[8] = {0}; - int i; - - if ((hw->fc.current_mode == ixgbe_fc_full) || - (hw->fc.current_mode == ixgbe_fc_rx_pause)) { - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - data = IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); - break; - default: - data = IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); - } - hwstats->lxoffrxc += data; - - /* refill credits (no tx hang) if we received xoff */ - if (!data) - return; - - for (i = 0; i < adapter->num_tx_queues; i++) - clear_bit(__IXGBE_HANG_CHECK_ARMED, - &adapter->tx_ring[i]->state); - return; - } else if (!(adapter->dcb_cfg.pfc_mode_enable)) - return; - - /* update stats for each tc, only valid with PFC enabled */ - for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) { - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - xoff[i] = IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); - break; - default: - xoff[i] = IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); - } - hwstats->pxoffrxc[i] += xoff[i]; - } - - /* disarm tx queues that have received xoff frames */ - for (i = 0; i < adapter->num_tx_queues; i++) { - struct ixgbe_ring *tx_ring = adapter->tx_ring[i]; - u32 tc = ixgbe_dcb_txq_to_tc(adapter, tx_ring->reg_idx); - - if (xoff[tc]) - clear_bit(__IXGBE_HANG_CHECK_ARMED, &tx_ring->state); - } -} - -static u64 ixgbe_get_tx_completed(struct ixgbe_ring *ring) -{ - return ring->tx_stats.completed; -} - -static u64 ixgbe_get_tx_pending(struct ixgbe_ring *ring) -{ - struct ixgbe_adapter *adapter = netdev_priv(ring->netdev); - struct ixgbe_hw *hw = &adapter->hw; - - u32 head = IXGBE_READ_REG(hw, IXGBE_TDH(ring->reg_idx)); - u32 tail = IXGBE_READ_REG(hw, IXGBE_TDT(ring->reg_idx)); - - if (head != tail) - return (head < tail) ? - tail - head : (tail + ring->count - head); - - return 0; -} - -static inline bool ixgbe_check_tx_hang(struct ixgbe_ring *tx_ring) -{ - u32 tx_done = ixgbe_get_tx_completed(tx_ring); - u32 tx_done_old = tx_ring->tx_stats.tx_done_old; - u32 tx_pending = ixgbe_get_tx_pending(tx_ring); - bool ret = false; - - clear_check_for_tx_hang(tx_ring); - - /* - * Check for a hung queue, but be thorough. This verifies - * that a transmit has been completed since the previous - * check AND there is at least one packet pending. The - * ARMED bit is set to indicate a potential hang. The - * bit is cleared if a pause frame is received to remove - * false hang detection due to PFC or 802.3x frames. By - * requiring this to fail twice we avoid races with - * pfc clearing the ARMED bit and conditions where we - * run the check_tx_hang logic with a transmit completion - * pending but without time to complete it yet. - */ - if ((tx_done_old == tx_done) && tx_pending) { - /* make sure it is true for two checks in a row */ - ret = test_and_set_bit(__IXGBE_HANG_CHECK_ARMED, - &tx_ring->state); - } else { - /* update completed stats and continue */ - tx_ring->tx_stats.tx_done_old = tx_done; - /* reset the countdown */ - clear_bit(__IXGBE_HANG_CHECK_ARMED, &tx_ring->state); - } - - return ret; -} - -#define IXGBE_MAX_TXD_PWR 14 -#define IXGBE_MAX_DATA_PER_TXD (1 << IXGBE_MAX_TXD_PWR) - -/* Tx Descriptors needed, worst case */ -#define TXD_USE_COUNT(S) (((S) >> IXGBE_MAX_TXD_PWR) + \ - (((S) & (IXGBE_MAX_DATA_PER_TXD - 1)) ? 1 : 0)) -#define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \ - MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */ - -static void ixgbe_tx_timeout(struct net_device *netdev); - -/** - * ixgbe_clean_tx_irq - Reclaim resources after transmit completes - * @q_vector: structure containing interrupt and ring information - * @tx_ring: tx ring to clean - **/ -static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, - struct ixgbe_ring *tx_ring) -{ - struct ixgbe_adapter *adapter = q_vector->adapter; - union ixgbe_adv_tx_desc *tx_desc, *eop_desc; - struct ixgbe_tx_buffer *tx_buffer_info; - unsigned int total_bytes = 0, total_packets = 0; - u16 i, eop, count = 0; - - i = tx_ring->next_to_clean; - eop = tx_ring->tx_buffer_info[i].next_to_watch; - eop_desc = IXGBE_TX_DESC_ADV(tx_ring, eop); - - while ((eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)) && - (count < tx_ring->work_limit)) { - bool cleaned = false; - rmb(); /* read buffer_info after eop_desc */ - for ( ; !cleaned; count++) { - tx_desc = IXGBE_TX_DESC_ADV(tx_ring, i); - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - - tx_desc->wb.status = 0; - cleaned = (i == eop); - - i++; - if (i == tx_ring->count) - i = 0; - - if (cleaned && tx_buffer_info->skb) { - total_bytes += tx_buffer_info->bytecount; - total_packets += tx_buffer_info->gso_segs; - } - - ixgbe_unmap_and_free_tx_resource(tx_ring, - tx_buffer_info); - } - - tx_ring->tx_stats.completed++; - eop = tx_ring->tx_buffer_info[i].next_to_watch; - eop_desc = IXGBE_TX_DESC_ADV(tx_ring, eop); - } - - tx_ring->next_to_clean = i; - tx_ring->total_bytes += total_bytes; - tx_ring->total_packets += total_packets; - u64_stats_update_begin(&tx_ring->syncp); - tx_ring->stats.packets += total_packets; - tx_ring->stats.bytes += total_bytes; - u64_stats_update_end(&tx_ring->syncp); - - if (check_for_tx_hang(tx_ring) && ixgbe_check_tx_hang(tx_ring)) { - /* schedule immediate reset if we believe we hung */ - struct ixgbe_hw *hw = &adapter->hw; - tx_desc = IXGBE_TX_DESC_ADV(tx_ring, eop); - e_err(drv, "Detected Tx Unit Hang\n" - " Tx Queue <%d>\n" - " TDH, TDT <%x>, <%x>\n" - " next_to_use <%x>\n" - " next_to_clean <%x>\n" - "tx_buffer_info[next_to_clean]\n" - " time_stamp <%lx>\n" - " jiffies <%lx>\n", - tx_ring->queue_index, - IXGBE_READ_REG(hw, IXGBE_TDH(tx_ring->reg_idx)), - IXGBE_READ_REG(hw, IXGBE_TDT(tx_ring->reg_idx)), - tx_ring->next_to_use, eop, - tx_ring->tx_buffer_info[eop].time_stamp, jiffies); - - netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index); - - e_info(probe, - "tx hang %d detected on queue %d, resetting adapter\n", - adapter->tx_timeout_count + 1, tx_ring->queue_index); - - /* schedule immediate reset if we believe we hung */ - ixgbe_tx_timeout(adapter->netdev); - - /* the adapter is about to reset, no point in enabling stuff */ - return true; - } - -#define TX_WAKE_THRESHOLD (DESC_NEEDED * 2) - if (unlikely(count && netif_carrier_ok(tx_ring->netdev) && - (IXGBE_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))) { - /* Make sure that anybody stopping the queue after this - * sees the new next_to_clean. - */ - smp_mb(); - if (__netif_subqueue_stopped(tx_ring->netdev, tx_ring->queue_index) && - !test_bit(__IXGBE_DOWN, &adapter->state)) { - netif_wake_subqueue(tx_ring->netdev, tx_ring->queue_index); - ++tx_ring->tx_stats.restart_queue; - } - } - - return count < tx_ring->work_limit; -} - -#ifdef CONFIG_IXGBE_DCA -static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter, - struct ixgbe_ring *rx_ring, - int cpu) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 rxctrl; - u8 reg_idx = rx_ring->reg_idx; - - rxctrl = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(reg_idx)); - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - rxctrl &= ~IXGBE_DCA_RXCTRL_CPUID_MASK; - rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - rxctrl &= ~IXGBE_DCA_RXCTRL_CPUID_MASK_82599; - rxctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) << - IXGBE_DCA_RXCTRL_CPUID_SHIFT_82599); - break; - default: - break; - } - rxctrl |= IXGBE_DCA_RXCTRL_DESC_DCA_EN; - rxctrl |= IXGBE_DCA_RXCTRL_HEAD_DCA_EN; - rxctrl &= ~(IXGBE_DCA_RXCTRL_DESC_RRO_EN); - rxctrl &= ~(IXGBE_DCA_RXCTRL_DESC_WRO_EN | - IXGBE_DCA_RXCTRL_DESC_HSRO_EN); - IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(reg_idx), rxctrl); -} - -static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring, - int cpu) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 txctrl; - u8 reg_idx = tx_ring->reg_idx; - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(reg_idx)); - txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK; - txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); - txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN; - txctrl &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN; - IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(reg_idx), txctrl); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(reg_idx)); - txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK_82599; - txctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) << - IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599); - txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN; - txctrl &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN; - IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(reg_idx), txctrl); - break; - default: - break; - } -} - -static void ixgbe_update_dca(struct ixgbe_q_vector *q_vector) -{ - struct ixgbe_adapter *adapter = q_vector->adapter; - int cpu = get_cpu(); - long r_idx; - int i; - - if (q_vector->cpu == cpu) - goto out_no_update; - - r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); - for (i = 0; i < q_vector->txr_count; i++) { - ixgbe_update_tx_dca(adapter, adapter->tx_ring[r_idx], cpu); - r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, - r_idx + 1); - } - - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - for (i = 0; i < q_vector->rxr_count; i++) { - ixgbe_update_rx_dca(adapter, adapter->rx_ring[r_idx], cpu); - r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, - r_idx + 1); - } - - q_vector->cpu = cpu; -out_no_update: - put_cpu(); -} - -static void ixgbe_setup_dca(struct ixgbe_adapter *adapter) -{ - int num_q_vectors; - int i; - - if (!(adapter->flags & IXGBE_FLAG_DCA_ENABLED)) - return; - - /* always use CB2 mode, difference is masked in the CB driver */ - IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_CTRL, 2); - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) - num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - else - num_q_vectors = 1; - - for (i = 0; i < num_q_vectors; i++) { - adapter->q_vector[i]->cpu = -1; - ixgbe_update_dca(adapter->q_vector[i]); - } -} - -static int __ixgbe_notify_dca(struct device *dev, void *data) -{ - struct ixgbe_adapter *adapter = dev_get_drvdata(dev); - unsigned long event = *(unsigned long *)data; - - if (!(adapter->flags & IXGBE_FLAG_DCA_ENABLED)) - return 0; - - switch (event) { - case DCA_PROVIDER_ADD: - /* if we're already enabled, don't do it again */ - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) - break; - if (dca_add_requester(dev) == 0) { - adapter->flags |= IXGBE_FLAG_DCA_ENABLED; - ixgbe_setup_dca(adapter); - break; - } - /* Fall Through since DCA is disabled. */ - case DCA_PROVIDER_REMOVE: - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) { - dca_remove_requester(dev); - adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_CTRL, 1); - } - break; - } - - return 0; -} - -#endif /* CONFIG_IXGBE_DCA */ -/** - * ixgbe_receive_skb - Send a completed packet up the stack - * @adapter: board private structure - * @skb: packet to send up - * @status: hardware indication of status of receive - * @rx_ring: rx descriptor ring (for a specific queue) to setup - * @rx_desc: rx descriptor - **/ -static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector, - struct sk_buff *skb, u8 status, - struct ixgbe_ring *ring, - union ixgbe_adv_rx_desc *rx_desc) -{ - struct ixgbe_adapter *adapter = q_vector->adapter; - struct napi_struct *napi = &q_vector->napi; - bool is_vlan = (status & IXGBE_RXD_STAT_VP); - u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan); - - if (is_vlan && (tag & VLAN_VID_MASK)) - __vlan_hwaccel_put_tag(skb, tag); - - if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) - napi_gro_receive(napi, skb); - else - netif_rx(skb); -} - -/** - * ixgbe_rx_checksum - indicate in skb if hw indicated a good cksum - * @adapter: address of board private structure - * @status_err: hardware indication of status of receive - * @skb: skb currently being received and modified - **/ -static inline void ixgbe_rx_checksum(struct ixgbe_adapter *adapter, - union ixgbe_adv_rx_desc *rx_desc, - struct sk_buff *skb) -{ - u32 status_err = le32_to_cpu(rx_desc->wb.upper.status_error); - - skb_checksum_none_assert(skb); - - /* Rx csum disabled */ - if (!(adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED)) - return; - - /* if IP and error */ - if ((status_err & IXGBE_RXD_STAT_IPCS) && - (status_err & IXGBE_RXDADV_ERR_IPE)) { - adapter->hw_csum_rx_error++; - return; - } - - if (!(status_err & IXGBE_RXD_STAT_L4CS)) - return; - - if (status_err & IXGBE_RXDADV_ERR_TCPE) { - u16 pkt_info = rx_desc->wb.lower.lo_dword.hs_rss.pkt_info; - - /* - * 82599 errata, UDP frames with a 0 checksum can be marked as - * checksum errors. - */ - if ((pkt_info & IXGBE_RXDADV_PKTTYPE_UDP) && - (adapter->hw.mac.type == ixgbe_mac_82599EB)) - return; - - adapter->hw_csum_rx_error++; - return; - } - - /* It must be a TCP or UDP packet with a valid checksum */ - skb->ip_summed = CHECKSUM_UNNECESSARY; -} - -static inline void ixgbe_release_rx_desc(struct ixgbe_ring *rx_ring, u32 val) -{ - /* - * Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). - */ - wmb(); - writel(val, rx_ring->tail); -} - -/** - * ixgbe_alloc_rx_buffers - Replace used receive buffers; packet split - * @rx_ring: ring to place buffers on - * @cleaned_count: number of buffers to replace - **/ -void ixgbe_alloc_rx_buffers(struct ixgbe_ring *rx_ring, u16 cleaned_count) -{ - union ixgbe_adv_rx_desc *rx_desc; - struct ixgbe_rx_buffer *bi; - struct sk_buff *skb; - u16 i = rx_ring->next_to_use; - - /* do nothing if no valid netdev defined */ - if (!rx_ring->netdev) - return; - - while (cleaned_count--) { - rx_desc = IXGBE_RX_DESC_ADV(rx_ring, i); - bi = &rx_ring->rx_buffer_info[i]; - skb = bi->skb; - - if (!skb) { - skb = netdev_alloc_skb_ip_align(rx_ring->netdev, - rx_ring->rx_buf_len); - if (!skb) { - rx_ring->rx_stats.alloc_rx_buff_failed++; - goto no_buffers; - } - /* initialize queue mapping */ - skb_record_rx_queue(skb, rx_ring->queue_index); - bi->skb = skb; - } - - if (!bi->dma) { - bi->dma = dma_map_single(rx_ring->dev, - skb->data, - rx_ring->rx_buf_len, - DMA_FROM_DEVICE); - if (dma_mapping_error(rx_ring->dev, bi->dma)) { - rx_ring->rx_stats.alloc_rx_buff_failed++; - bi->dma = 0; - goto no_buffers; - } - } - - if (ring_is_ps_enabled(rx_ring)) { - if (!bi->page) { - bi->page = netdev_alloc_page(rx_ring->netdev); - if (!bi->page) { - rx_ring->rx_stats.alloc_rx_page_failed++; - goto no_buffers; - } - } - - if (!bi->page_dma) { - /* use a half page if we're re-using */ - bi->page_offset ^= PAGE_SIZE / 2; - bi->page_dma = dma_map_page(rx_ring->dev, - bi->page, - bi->page_offset, - PAGE_SIZE / 2, - DMA_FROM_DEVICE); - if (dma_mapping_error(rx_ring->dev, - bi->page_dma)) { - rx_ring->rx_stats.alloc_rx_page_failed++; - bi->page_dma = 0; - goto no_buffers; - } - } - - /* Refresh the desc even if buffer_addrs didn't change - * because each write-back erases this info. */ - rx_desc->read.pkt_addr = cpu_to_le64(bi->page_dma); - rx_desc->read.hdr_addr = cpu_to_le64(bi->dma); - } else { - rx_desc->read.pkt_addr = cpu_to_le64(bi->dma); - rx_desc->read.hdr_addr = 0; - } - - i++; - if (i == rx_ring->count) - i = 0; - } - -no_buffers: - if (rx_ring->next_to_use != i) { - rx_ring->next_to_use = i; - ixgbe_release_rx_desc(rx_ring, i); - } -} - -static inline u16 ixgbe_get_hlen(union ixgbe_adv_rx_desc *rx_desc) -{ - /* HW will not DMA in data larger than the given buffer, even if it - * parses the (NFS, of course) header to be larger. In that case, it - * fills the header buffer and spills the rest into the page. - */ - u16 hdr_info = le16_to_cpu(rx_desc->wb.lower.lo_dword.hs_rss.hdr_info); - u16 hlen = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >> - IXGBE_RXDADV_HDRBUFLEN_SHIFT; - if (hlen > IXGBE_RX_HDR_SIZE) - hlen = IXGBE_RX_HDR_SIZE; - return hlen; -} - -/** - * ixgbe_transform_rsc_queue - change rsc queue into a full packet - * @skb: pointer to the last skb in the rsc queue - * - * This function changes a queue full of hw rsc buffers into a completed - * packet. It uses the ->prev pointers to find the first packet and then - * turns it into the frag list owner. - **/ -static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb) -{ - unsigned int frag_list_size = 0; - unsigned int skb_cnt = 1; - - while (skb->prev) { - struct sk_buff *prev = skb->prev; - frag_list_size += skb->len; - skb->prev = NULL; - skb = prev; - skb_cnt++; - } - - skb_shinfo(skb)->frag_list = skb->next; - skb->next = NULL; - skb->len += frag_list_size; - skb->data_len += frag_list_size; - skb->truesize += frag_list_size; - IXGBE_RSC_CB(skb)->skb_cnt = skb_cnt; - - return skb; -} - -static inline bool ixgbe_get_rsc_state(union ixgbe_adv_rx_desc *rx_desc) -{ - return !!(le32_to_cpu(rx_desc->wb.lower.lo_dword.data) & - IXGBE_RXDADV_RSCCNT_MASK); -} - -static void ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, - struct ixgbe_ring *rx_ring, - int *work_done, int work_to_do) -{ - struct ixgbe_adapter *adapter = q_vector->adapter; - union ixgbe_adv_rx_desc *rx_desc, *next_rxd; - struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer; - struct sk_buff *skb; - unsigned int total_rx_bytes = 0, total_rx_packets = 0; - const int current_node = numa_node_id(); -#ifdef IXGBE_FCOE - int ddp_bytes = 0; -#endif /* IXGBE_FCOE */ - u32 staterr; - u16 i; - u16 cleaned_count = 0; - bool pkt_is_rsc = false; - - i = rx_ring->next_to_clean; - rx_desc = IXGBE_RX_DESC_ADV(rx_ring, i); - staterr = le32_to_cpu(rx_desc->wb.upper.status_error); - - while (staterr & IXGBE_RXD_STAT_DD) { - u32 upper_len = 0; - - rmb(); /* read descriptor and rx_buffer_info after status DD */ - - rx_buffer_info = &rx_ring->rx_buffer_info[i]; - - skb = rx_buffer_info->skb; - rx_buffer_info->skb = NULL; - prefetch(skb->data); - - if (ring_is_rsc_enabled(rx_ring)) - pkt_is_rsc = ixgbe_get_rsc_state(rx_desc); - - /* if this is a skb from previous receive DMA will be 0 */ - if (rx_buffer_info->dma) { - u16 hlen; - if (pkt_is_rsc && - !(staterr & IXGBE_RXD_STAT_EOP) && - !skb->prev) { - /* - * When HWRSC is enabled, delay unmapping - * of the first packet. It carries the - * header information, HW may still - * access the header after the writeback. - * Only unmap it when EOP is reached - */ - IXGBE_RSC_CB(skb)->delay_unmap = true; - IXGBE_RSC_CB(skb)->dma = rx_buffer_info->dma; - } else { - dma_unmap_single(rx_ring->dev, - rx_buffer_info->dma, - rx_ring->rx_buf_len, - DMA_FROM_DEVICE); - } - rx_buffer_info->dma = 0; - - if (ring_is_ps_enabled(rx_ring)) { - hlen = ixgbe_get_hlen(rx_desc); - upper_len = le16_to_cpu(rx_desc->wb.upper.length); - } else { - hlen = le16_to_cpu(rx_desc->wb.upper.length); - } - - skb_put(skb, hlen); - } else { - /* assume packet split since header is unmapped */ - upper_len = le16_to_cpu(rx_desc->wb.upper.length); - } - - if (upper_len) { - dma_unmap_page(rx_ring->dev, - rx_buffer_info->page_dma, - PAGE_SIZE / 2, - DMA_FROM_DEVICE); - rx_buffer_info->page_dma = 0; - skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, - rx_buffer_info->page, - rx_buffer_info->page_offset, - upper_len); - - if ((page_count(rx_buffer_info->page) == 1) && - (page_to_nid(rx_buffer_info->page) == current_node)) - get_page(rx_buffer_info->page); - else - rx_buffer_info->page = NULL; - - skb->len += upper_len; - skb->data_len += upper_len; - skb->truesize += upper_len; - } - - i++; - if (i == rx_ring->count) - i = 0; - - next_rxd = IXGBE_RX_DESC_ADV(rx_ring, i); - prefetch(next_rxd); - cleaned_count++; - - if (pkt_is_rsc) { - u32 nextp = (staterr & IXGBE_RXDADV_NEXTP_MASK) >> - IXGBE_RXDADV_NEXTP_SHIFT; - next_buffer = &rx_ring->rx_buffer_info[nextp]; - } else { - next_buffer = &rx_ring->rx_buffer_info[i]; - } - - if (!(staterr & IXGBE_RXD_STAT_EOP)) { - if (ring_is_ps_enabled(rx_ring)) { - rx_buffer_info->skb = next_buffer->skb; - rx_buffer_info->dma = next_buffer->dma; - next_buffer->skb = skb; - next_buffer->dma = 0; - } else { - skb->next = next_buffer->skb; - skb->next->prev = skb; - } - rx_ring->rx_stats.non_eop_descs++; - goto next_desc; - } - - if (skb->prev) { - skb = ixgbe_transform_rsc_queue(skb); - /* if we got here without RSC the packet is invalid */ - if (!pkt_is_rsc) { - __pskb_trim(skb, 0); - rx_buffer_info->skb = skb; - goto next_desc; - } - } - - if (ring_is_rsc_enabled(rx_ring)) { - if (IXGBE_RSC_CB(skb)->delay_unmap) { - dma_unmap_single(rx_ring->dev, - IXGBE_RSC_CB(skb)->dma, - rx_ring->rx_buf_len, - DMA_FROM_DEVICE); - IXGBE_RSC_CB(skb)->dma = 0; - IXGBE_RSC_CB(skb)->delay_unmap = false; - } - } - if (pkt_is_rsc) { - if (ring_is_ps_enabled(rx_ring)) - rx_ring->rx_stats.rsc_count += - skb_shinfo(skb)->nr_frags; - else - rx_ring->rx_stats.rsc_count += - IXGBE_RSC_CB(skb)->skb_cnt; - rx_ring->rx_stats.rsc_flush++; - } - - /* ERR_MASK will only have valid bits if EOP set */ - if (staterr & IXGBE_RXDADV_ERR_FRAME_ERR_MASK) { - /* trim packet back to size 0 and recycle it */ - __pskb_trim(skb, 0); - rx_buffer_info->skb = skb; - goto next_desc; - } - - ixgbe_rx_checksum(adapter, rx_desc, skb); - - /* probably a little skewed due to removing CRC */ - total_rx_bytes += skb->len; - total_rx_packets++; - - skb->protocol = eth_type_trans(skb, rx_ring->netdev); -#ifdef IXGBE_FCOE - /* if ddp, not passing to ULD unless for FCP_RSP or error */ - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { - ddp_bytes = ixgbe_fcoe_ddp(adapter, rx_desc, skb); - if (!ddp_bytes) - goto next_desc; - } -#endif /* IXGBE_FCOE */ - ixgbe_receive_skb(q_vector, skb, staterr, rx_ring, rx_desc); - -next_desc: - rx_desc->wb.upper.status_error = 0; - - (*work_done)++; - if (*work_done >= work_to_do) - break; - - /* return some buffers to hardware, one at a time is too slow */ - if (cleaned_count >= IXGBE_RX_BUFFER_WRITE) { - ixgbe_alloc_rx_buffers(rx_ring, cleaned_count); - cleaned_count = 0; - } - - /* use prefetched values */ - rx_desc = next_rxd; - staterr = le32_to_cpu(rx_desc->wb.upper.status_error); - } - - rx_ring->next_to_clean = i; - cleaned_count = IXGBE_DESC_UNUSED(rx_ring); - - if (cleaned_count) - ixgbe_alloc_rx_buffers(rx_ring, cleaned_count); - -#ifdef IXGBE_FCOE - /* include DDPed FCoE data */ - if (ddp_bytes > 0) { - unsigned int mss; - - mss = rx_ring->netdev->mtu - sizeof(struct fcoe_hdr) - - sizeof(struct fc_frame_header) - - sizeof(struct fcoe_crc_eof); - if (mss > 512) - mss &= ~511; - total_rx_bytes += ddp_bytes; - total_rx_packets += DIV_ROUND_UP(ddp_bytes, mss); - } -#endif /* IXGBE_FCOE */ - - rx_ring->total_packets += total_rx_packets; - rx_ring->total_bytes += total_rx_bytes; - u64_stats_update_begin(&rx_ring->syncp); - rx_ring->stats.packets += total_rx_packets; - rx_ring->stats.bytes += total_rx_bytes; - u64_stats_update_end(&rx_ring->syncp); -} - -static int ixgbe_clean_rxonly(struct napi_struct *, int); -/** - * ixgbe_configure_msix - Configure MSI-X hardware - * @adapter: board private structure - * - * ixgbe_configure_msix sets up the hardware to properly generate MSI-X - * interrupts. - **/ -static void ixgbe_configure_msix(struct ixgbe_adapter *adapter) -{ - struct ixgbe_q_vector *q_vector; - int i, q_vectors, v_idx, r_idx; - u32 mask; - - q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - - /* - * Populate the IVAR table and set the ITR values to the - * corresponding register. - */ - for (v_idx = 0; v_idx < q_vectors; v_idx++) { - q_vector = adapter->q_vector[v_idx]; - /* XXX for_each_set_bit(...) */ - r_idx = find_first_bit(q_vector->rxr_idx, - adapter->num_rx_queues); - - for (i = 0; i < q_vector->rxr_count; i++) { - u8 reg_idx = adapter->rx_ring[r_idx]->reg_idx; - ixgbe_set_ivar(adapter, 0, reg_idx, v_idx); - r_idx = find_next_bit(q_vector->rxr_idx, - adapter->num_rx_queues, - r_idx + 1); - } - r_idx = find_first_bit(q_vector->txr_idx, - adapter->num_tx_queues); - - for (i = 0; i < q_vector->txr_count; i++) { - u8 reg_idx = adapter->tx_ring[r_idx]->reg_idx; - ixgbe_set_ivar(adapter, 1, reg_idx, v_idx); - r_idx = find_next_bit(q_vector->txr_idx, - adapter->num_tx_queues, - r_idx + 1); - } - - if (q_vector->txr_count && !q_vector->rxr_count) - /* tx only */ - q_vector->eitr = adapter->tx_eitr_param; - else if (q_vector->rxr_count) - /* rx or mixed */ - q_vector->eitr = adapter->rx_eitr_param; - - ixgbe_write_eitr(q_vector); - /* If Flow Director is enabled, set interrupt affinity */ - if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || - (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) { - /* - * Allocate the affinity_hint cpumask, assign the mask - * for this vector, and set our affinity_hint for - * this irq. - */ - if (!alloc_cpumask_var(&q_vector->affinity_mask, - GFP_KERNEL)) - return; - cpumask_set_cpu(v_idx, q_vector->affinity_mask); - irq_set_affinity_hint(adapter->msix_entries[v_idx].vector, - q_vector->affinity_mask); - } - } - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - ixgbe_set_ivar(adapter, -1, IXGBE_IVAR_OTHER_CAUSES_INDEX, - v_idx); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - ixgbe_set_ivar(adapter, -1, 1, v_idx); - break; - - default: - break; - } - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(v_idx), 1950); - - /* set up to autoclear timer, and the vectors */ - mask = IXGBE_EIMS_ENABLE_MASK; - if (adapter->num_vfs) - mask &= ~(IXGBE_EIMS_OTHER | - IXGBE_EIMS_MAILBOX | - IXGBE_EIMS_LSC); - else - mask &= ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, mask); -} - -enum latency_range { - lowest_latency = 0, - low_latency = 1, - bulk_latency = 2, - latency_invalid = 255 -}; - -/** - * ixgbe_update_itr - update the dynamic ITR value based on statistics - * @adapter: pointer to adapter - * @eitr: eitr setting (ints per sec) to give last timeslice - * @itr_setting: current throttle rate in ints/second - * @packets: the number of packets during this measurement interval - * @bytes: the number of bytes during this measurement interval - * - * Stores a new ITR value based on packets and byte - * counts during the last interrupt. The advantage of per interrupt - * computation is faster updates and more accurate ITR for the current - * traffic pattern. Constants in this function were computed - * based on theoretical maximum wire speed and thresholds were set based - * on testing data as well as attempting to minimize response time - * while increasing bulk throughput. - * this functionality is controlled by the InterruptThrottleRate module - * parameter (see ixgbe_param.c) - **/ -static u8 ixgbe_update_itr(struct ixgbe_adapter *adapter, - u32 eitr, u8 itr_setting, - int packets, int bytes) -{ - unsigned int retval = itr_setting; - u32 timepassed_us; - u64 bytes_perint; - - if (packets == 0) - goto update_itr_done; - - - /* simple throttlerate management - * 0-20MB/s lowest (100000 ints/s) - * 20-100MB/s low (20000 ints/s) - * 100-1249MB/s bulk (8000 ints/s) - */ - /* what was last interrupt timeslice? */ - timepassed_us = 1000000/eitr; - bytes_perint = bytes / timepassed_us; /* bytes/usec */ - - switch (itr_setting) { - case lowest_latency: - if (bytes_perint > adapter->eitr_low) - retval = low_latency; - break; - case low_latency: - if (bytes_perint > adapter->eitr_high) - retval = bulk_latency; - else if (bytes_perint <= adapter->eitr_low) - retval = lowest_latency; - break; - case bulk_latency: - if (bytes_perint <= adapter->eitr_high) - retval = low_latency; - break; - } - -update_itr_done: - return retval; -} - -/** - * ixgbe_write_eitr - write EITR register in hardware specific way - * @q_vector: structure containing interrupt and ring information - * - * This function is made to be called by ethtool and by the driver - * when it needs to update EITR registers at runtime. Hardware - * specific quirks/differences are taken care of here. - */ -void ixgbe_write_eitr(struct ixgbe_q_vector *q_vector) -{ - struct ixgbe_adapter *adapter = q_vector->adapter; - struct ixgbe_hw *hw = &adapter->hw; - int v_idx = q_vector->v_idx; - u32 itr_reg = EITR_INTS_PER_SEC_TO_REG(q_vector->eitr); - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - /* must write high and low 16 bits to reset counter */ - itr_reg |= (itr_reg << 16); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - /* - * 82599 and X540 can support a value of zero, so allow it for - * max interrupt rate, but there is an errata where it can - * not be zero with RSC - */ - if (itr_reg == 8 && - !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) - itr_reg = 0; - - /* - * set the WDIS bit to not clear the timer bits and cause an - * immediate assertion of the interrupt - */ - itr_reg |= IXGBE_EITR_CNT_WDIS; - break; - default: - break; - } - IXGBE_WRITE_REG(hw, IXGBE_EITR(v_idx), itr_reg); -} - -static void ixgbe_set_itr_msix(struct ixgbe_q_vector *q_vector) -{ - struct ixgbe_adapter *adapter = q_vector->adapter; - int i, r_idx; - u32 new_itr; - u8 current_itr, ret_itr; - - r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); - for (i = 0; i < q_vector->txr_count; i++) { - struct ixgbe_ring *tx_ring = adapter->tx_ring[r_idx]; - ret_itr = ixgbe_update_itr(adapter, q_vector->eitr, - q_vector->tx_itr, - tx_ring->total_packets, - tx_ring->total_bytes); - /* if the result for this queue would decrease interrupt - * rate for this vector then use that result */ - q_vector->tx_itr = ((q_vector->tx_itr > ret_itr) ? - q_vector->tx_itr - 1 : ret_itr); - r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, - r_idx + 1); - } - - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - for (i = 0; i < q_vector->rxr_count; i++) { - struct ixgbe_ring *rx_ring = adapter->rx_ring[r_idx]; - ret_itr = ixgbe_update_itr(adapter, q_vector->eitr, - q_vector->rx_itr, - rx_ring->total_packets, - rx_ring->total_bytes); - /* if the result for this queue would decrease interrupt - * rate for this vector then use that result */ - q_vector->rx_itr = ((q_vector->rx_itr > ret_itr) ? - q_vector->rx_itr - 1 : ret_itr); - r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, - r_idx + 1); - } - - current_itr = max(q_vector->rx_itr, q_vector->tx_itr); - - switch (current_itr) { - /* counts and packets in update_itr are dependent on these numbers */ - case lowest_latency: - new_itr = 100000; - break; - case low_latency: - new_itr = 20000; /* aka hwitr = ~200 */ - break; - case bulk_latency: - default: - new_itr = 8000; - break; - } - - if (new_itr != q_vector->eitr) { - /* do an exponential smoothing */ - new_itr = ((q_vector->eitr * 9) + new_itr)/10; - - /* save the algorithm value here, not the smoothed one */ - q_vector->eitr = new_itr; - - ixgbe_write_eitr(q_vector); - } -} - -/** - * ixgbe_check_overtemp_task - worker thread to check over tempurature - * @work: pointer to work_struct containing our data - **/ -static void ixgbe_check_overtemp_task(struct work_struct *work) -{ - struct ixgbe_adapter *adapter = container_of(work, - struct ixgbe_adapter, - check_overtemp_task); - struct ixgbe_hw *hw = &adapter->hw; - u32 eicr = adapter->interrupt_event; - - if (!(adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE)) - return; - - switch (hw->device_id) { - case IXGBE_DEV_ID_82599_T3_LOM: { - u32 autoneg; - bool link_up = false; - - if (hw->mac.ops.check_link) - hw->mac.ops.check_link(hw, &autoneg, &link_up, false); - - if (((eicr & IXGBE_EICR_GPI_SDP0) && (!link_up)) || - (eicr & IXGBE_EICR_LSC)) - /* Check if this is due to overtemp */ - if (hw->phy.ops.check_overtemp(hw) == IXGBE_ERR_OVERTEMP) - break; - return; - } - default: - if (!(eicr & IXGBE_EICR_GPI_SDP0)) - return; - break; - } - e_crit(drv, - "Network adapter has been stopped because it has over heated. " - "Restart the computer. If the problem persists, " - "power off the system and replace the adapter\n"); - /* write to clear the interrupt */ - IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0); -} - -static void ixgbe_check_fan_failure(struct ixgbe_adapter *adapter, u32 eicr) -{ - struct ixgbe_hw *hw = &adapter->hw; - - if ((adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) && - (eicr & IXGBE_EICR_GPI_SDP1)) { - e_crit(probe, "Fan has stopped, replace the adapter\n"); - /* write to clear the interrupt */ - IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1); - } -} - -static void ixgbe_check_sfp_event(struct ixgbe_adapter *adapter, u32 eicr) -{ - struct ixgbe_hw *hw = &adapter->hw; - - if (eicr & IXGBE_EICR_GPI_SDP2) { - /* Clear the interrupt */ - IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP2); - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - schedule_work(&adapter->sfp_config_module_task); - } - - if (eicr & IXGBE_EICR_GPI_SDP1) { - /* Clear the interrupt */ - IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1); - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - schedule_work(&adapter->multispeed_fiber_task); - } -} - -static void ixgbe_check_lsc(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - - adapter->lsc_int++; - adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE; - adapter->link_check_timeout = jiffies; - if (!test_bit(__IXGBE_DOWN, &adapter->state)) { - IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); - IXGBE_WRITE_FLUSH(hw); - schedule_work(&adapter->watchdog_task); - } -} - -static irqreturn_t ixgbe_msix_lsc(int irq, void *data) -{ - struct net_device *netdev = data; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u32 eicr; - - /* - * Workaround for Silicon errata. Use clear-by-write instead - * of clear-by-read. Reading with EICS will return the - * interrupt causes without clearing, which later be done - * with the write to EICR. - */ - eicr = IXGBE_READ_REG(hw, IXGBE_EICS); - IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); - - if (eicr & IXGBE_EICR_LSC) - ixgbe_check_lsc(adapter); - - if (eicr & IXGBE_EICR_MAILBOX) - ixgbe_msg_task(adapter); - - switch (hw->mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - /* Handle Flow Director Full threshold interrupt */ - if (eicr & IXGBE_EICR_FLOW_DIR) { - int i; - IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_FLOW_DIR); - /* Disable transmits before FDIR Re-initialization */ - netif_tx_stop_all_queues(netdev); - for (i = 0; i < adapter->num_tx_queues; i++) { - struct ixgbe_ring *tx_ring = - adapter->tx_ring[i]; - if (test_and_clear_bit(__IXGBE_TX_FDIR_INIT_DONE, - &tx_ring->state)) - schedule_work(&adapter->fdir_reinit_task); - } - } - ixgbe_check_sfp_event(adapter, eicr); - if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) && - ((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC))) { - adapter->interrupt_event = eicr; - schedule_work(&adapter->check_overtemp_task); - } - break; - default: - break; - } - - ixgbe_check_fan_failure(adapter, eicr); - - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); - - return IRQ_HANDLED; -} - -static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter, - u64 qmask) -{ - u32 mask; - struct ixgbe_hw *hw = &adapter->hw; - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - mask = (IXGBE_EIMS_RTX_QUEUE & qmask); - IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - mask = (qmask & 0xFFFFFFFF); - if (mask) - IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); - mask = (qmask >> 32); - if (mask) - IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); - break; - default: - break; - } - /* skip the flush */ -} - -static inline void ixgbe_irq_disable_queues(struct ixgbe_adapter *adapter, - u64 qmask) -{ - u32 mask; - struct ixgbe_hw *hw = &adapter->hw; - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - mask = (IXGBE_EIMS_RTX_QUEUE & qmask); - IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - mask = (qmask & 0xFFFFFFFF); - if (mask) - IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); - mask = (qmask >> 32); - if (mask) - IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); - break; - default: - break; - } - /* skip the flush */ -} - -static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data) -{ - struct ixgbe_q_vector *q_vector = data; - struct ixgbe_adapter *adapter = q_vector->adapter; - struct ixgbe_ring *tx_ring; - int i, r_idx; - - if (!q_vector->txr_count) - return IRQ_HANDLED; - - r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); - for (i = 0; i < q_vector->txr_count; i++) { - tx_ring = adapter->tx_ring[r_idx]; - tx_ring->total_bytes = 0; - tx_ring->total_packets = 0; - r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, - r_idx + 1); - } - - /* EIAM disabled interrupts (on this vector) for us */ - napi_schedule(&q_vector->napi); - - return IRQ_HANDLED; -} - -/** - * ixgbe_msix_clean_rx - single unshared vector rx clean (all queues) - * @irq: unused - * @data: pointer to our q_vector struct for this interrupt vector - **/ -static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data) -{ - struct ixgbe_q_vector *q_vector = data; - struct ixgbe_adapter *adapter = q_vector->adapter; - struct ixgbe_ring *rx_ring; - int r_idx; - int i; - -#ifdef CONFIG_IXGBE_DCA - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) - ixgbe_update_dca(q_vector); -#endif - - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - for (i = 0; i < q_vector->rxr_count; i++) { - rx_ring = adapter->rx_ring[r_idx]; - rx_ring->total_bytes = 0; - rx_ring->total_packets = 0; - r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, - r_idx + 1); - } - - if (!q_vector->rxr_count) - return IRQ_HANDLED; - - /* EIAM disabled interrupts (on this vector) for us */ - napi_schedule(&q_vector->napi); - - return IRQ_HANDLED; -} - -static irqreturn_t ixgbe_msix_clean_many(int irq, void *data) -{ - struct ixgbe_q_vector *q_vector = data; - struct ixgbe_adapter *adapter = q_vector->adapter; - struct ixgbe_ring *ring; - int r_idx; - int i; - - if (!q_vector->txr_count && !q_vector->rxr_count) - return IRQ_HANDLED; - - r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); - for (i = 0; i < q_vector->txr_count; i++) { - ring = adapter->tx_ring[r_idx]; - ring->total_bytes = 0; - ring->total_packets = 0; - r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, - r_idx + 1); - } - - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - for (i = 0; i < q_vector->rxr_count; i++) { - ring = adapter->rx_ring[r_idx]; - ring->total_bytes = 0; - ring->total_packets = 0; - r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, - r_idx + 1); - } - - /* EIAM disabled interrupts (on this vector) for us */ - napi_schedule(&q_vector->napi); - - return IRQ_HANDLED; -} - -/** - * ixgbe_clean_rxonly - msix (aka one shot) rx clean routine - * @napi: napi struct with our devices info in it - * @budget: amount of work driver is allowed to do this pass, in packets - * - * This function is optimized for cleaning one queue only on a single - * q_vector!!! - **/ -static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget) -{ - struct ixgbe_q_vector *q_vector = - container_of(napi, struct ixgbe_q_vector, napi); - struct ixgbe_adapter *adapter = q_vector->adapter; - struct ixgbe_ring *rx_ring = NULL; - int work_done = 0; - long r_idx; - -#ifdef CONFIG_IXGBE_DCA - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) - ixgbe_update_dca(q_vector); -#endif - - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - rx_ring = adapter->rx_ring[r_idx]; - - ixgbe_clean_rx_irq(q_vector, rx_ring, &work_done, budget); - - /* If all Rx work done, exit the polling mode */ - if (work_done < budget) { - napi_complete(napi); - if (adapter->rx_itr_setting & 1) - ixgbe_set_itr_msix(q_vector); - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_enable_queues(adapter, - ((u64)1 << q_vector->v_idx)); - } - - return work_done; -} - -/** - * ixgbe_clean_rxtx_many - msix (aka one shot) rx clean routine - * @napi: napi struct with our devices info in it - * @budget: amount of work driver is allowed to do this pass, in packets - * - * This function will clean more than one rx queue associated with a - * q_vector. - **/ -static int ixgbe_clean_rxtx_many(struct napi_struct *napi, int budget) -{ - struct ixgbe_q_vector *q_vector = - container_of(napi, struct ixgbe_q_vector, napi); - struct ixgbe_adapter *adapter = q_vector->adapter; - struct ixgbe_ring *ring = NULL; - int work_done = 0, i; - long r_idx; - bool tx_clean_complete = true; - -#ifdef CONFIG_IXGBE_DCA - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) - ixgbe_update_dca(q_vector); -#endif - - r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); - for (i = 0; i < q_vector->txr_count; i++) { - ring = adapter->tx_ring[r_idx]; - tx_clean_complete &= ixgbe_clean_tx_irq(q_vector, ring); - r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, - r_idx + 1); - } - - /* attempt to distribute budget to each queue fairly, but don't allow - * the budget to go below 1 because we'll exit polling */ - budget /= (q_vector->rxr_count ?: 1); - budget = max(budget, 1); - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - for (i = 0; i < q_vector->rxr_count; i++) { - ring = adapter->rx_ring[r_idx]; - ixgbe_clean_rx_irq(q_vector, ring, &work_done, budget); - r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, - r_idx + 1); - } - - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - ring = adapter->rx_ring[r_idx]; - /* If all Rx work done, exit the polling mode */ - if (work_done < budget) { - napi_complete(napi); - if (adapter->rx_itr_setting & 1) - ixgbe_set_itr_msix(q_vector); - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_enable_queues(adapter, - ((u64)1 << q_vector->v_idx)); - return 0; - } - - return work_done; -} - -/** - * ixgbe_clean_txonly - msix (aka one shot) tx clean routine - * @napi: napi struct with our devices info in it - * @budget: amount of work driver is allowed to do this pass, in packets - * - * This function is optimized for cleaning one queue only on a single - * q_vector!!! - **/ -static int ixgbe_clean_txonly(struct napi_struct *napi, int budget) -{ - struct ixgbe_q_vector *q_vector = - container_of(napi, struct ixgbe_q_vector, napi); - struct ixgbe_adapter *adapter = q_vector->adapter; - struct ixgbe_ring *tx_ring = NULL; - int work_done = 0; - long r_idx; - -#ifdef CONFIG_IXGBE_DCA - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) - ixgbe_update_dca(q_vector); -#endif - - r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); - tx_ring = adapter->tx_ring[r_idx]; - - if (!ixgbe_clean_tx_irq(q_vector, tx_ring)) - work_done = budget; - - /* If all Tx work done, exit the polling mode */ - if (work_done < budget) { - napi_complete(napi); - if (adapter->tx_itr_setting & 1) - ixgbe_set_itr_msix(q_vector); - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_enable_queues(adapter, - ((u64)1 << q_vector->v_idx)); - } - - return work_done; -} - -static inline void map_vector_to_rxq(struct ixgbe_adapter *a, int v_idx, - int r_idx) -{ - struct ixgbe_q_vector *q_vector = a->q_vector[v_idx]; - struct ixgbe_ring *rx_ring = a->rx_ring[r_idx]; - - set_bit(r_idx, q_vector->rxr_idx); - q_vector->rxr_count++; - rx_ring->q_vector = q_vector; -} - -static inline void map_vector_to_txq(struct ixgbe_adapter *a, int v_idx, - int t_idx) -{ - struct ixgbe_q_vector *q_vector = a->q_vector[v_idx]; - struct ixgbe_ring *tx_ring = a->tx_ring[t_idx]; - - set_bit(t_idx, q_vector->txr_idx); - q_vector->txr_count++; - tx_ring->q_vector = q_vector; -} - -/** - * ixgbe_map_rings_to_vectors - Maps descriptor rings to vectors - * @adapter: board private structure to initialize - * - * This function maps descriptor rings to the queue-specific vectors - * we were allotted through the MSI-X enabling code. Ideally, we'd have - * one vector per ring/queue, but on a constrained vector budget, we - * group the rings as "efficiently" as possible. You would add new - * mapping configurations in here. - **/ -static int ixgbe_map_rings_to_vectors(struct ixgbe_adapter *adapter) -{ - int q_vectors; - int v_start = 0; - int rxr_idx = 0, txr_idx = 0; - int rxr_remaining = adapter->num_rx_queues; - int txr_remaining = adapter->num_tx_queues; - int i, j; - int rqpv, tqpv; - int err = 0; - - /* No mapping required if MSI-X is disabled. */ - if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) - goto out; - - q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - - /* - * The ideal configuration... - * We have enough vectors to map one per queue. - */ - if (q_vectors == adapter->num_rx_queues + adapter->num_tx_queues) { - for (; rxr_idx < rxr_remaining; v_start++, rxr_idx++) - map_vector_to_rxq(adapter, v_start, rxr_idx); - - for (; txr_idx < txr_remaining; v_start++, txr_idx++) - map_vector_to_txq(adapter, v_start, txr_idx); - - goto out; - } - - /* - * If we don't have enough vectors for a 1-to-1 - * mapping, we'll have to group them so there are - * multiple queues per vector. - */ - /* Re-adjusting *qpv takes care of the remainder. */ - for (i = v_start; i < q_vectors; i++) { - rqpv = DIV_ROUND_UP(rxr_remaining, q_vectors - i); - for (j = 0; j < rqpv; j++) { - map_vector_to_rxq(adapter, i, rxr_idx); - rxr_idx++; - rxr_remaining--; - } - tqpv = DIV_ROUND_UP(txr_remaining, q_vectors - i); - for (j = 0; j < tqpv; j++) { - map_vector_to_txq(adapter, i, txr_idx); - txr_idx++; - txr_remaining--; - } - } -out: - return err; -} - -/** - * ixgbe_request_msix_irqs - Initialize MSI-X interrupts - * @adapter: board private structure - * - * ixgbe_request_msix_irqs allocates MSI-X vectors and requests - * interrupts from the kernel. - **/ -static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - irqreturn_t (*handler)(int, void *); - int i, vector, q_vectors, err; - int ri = 0, ti = 0; - - /* Decrement for Other and TCP Timer vectors */ - q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - - err = ixgbe_map_rings_to_vectors(adapter); - if (err) - return err; - -#define SET_HANDLER(_v) (((_v)->rxr_count && (_v)->txr_count) \ - ? &ixgbe_msix_clean_many : \ - (_v)->rxr_count ? &ixgbe_msix_clean_rx : \ - (_v)->txr_count ? &ixgbe_msix_clean_tx : \ - NULL) - for (vector = 0; vector < q_vectors; vector++) { - struct ixgbe_q_vector *q_vector = adapter->q_vector[vector]; - handler = SET_HANDLER(q_vector); - - if (handler == &ixgbe_msix_clean_rx) { - sprintf(q_vector->name, "%s-%s-%d", - netdev->name, "rx", ri++); - } else if (handler == &ixgbe_msix_clean_tx) { - sprintf(q_vector->name, "%s-%s-%d", - netdev->name, "tx", ti++); - } else if (handler == &ixgbe_msix_clean_many) { - sprintf(q_vector->name, "%s-%s-%d", - netdev->name, "TxRx", ri++); - ti++; - } else { - /* skip this unused q_vector */ - continue; - } - err = request_irq(adapter->msix_entries[vector].vector, - handler, 0, q_vector->name, - q_vector); - if (err) { - e_err(probe, "request_irq failed for MSIX interrupt " - "Error: %d\n", err); - goto free_queue_irqs; - } - } - - sprintf(adapter->lsc_int_name, "%s:lsc", netdev->name); - err = request_irq(adapter->msix_entries[vector].vector, - ixgbe_msix_lsc, 0, adapter->lsc_int_name, netdev); - if (err) { - e_err(probe, "request_irq for msix_lsc failed: %d\n", err); - goto free_queue_irqs; - } - - return 0; - -free_queue_irqs: - for (i = vector - 1; i >= 0; i--) - free_irq(adapter->msix_entries[--vector].vector, - adapter->q_vector[i]); - adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED; - pci_disable_msix(adapter->pdev); - kfree(adapter->msix_entries); - adapter->msix_entries = NULL; - return err; -} - -static void ixgbe_set_itr(struct ixgbe_adapter *adapter) -{ - struct ixgbe_q_vector *q_vector = adapter->q_vector[0]; - struct ixgbe_ring *rx_ring = adapter->rx_ring[0]; - struct ixgbe_ring *tx_ring = adapter->tx_ring[0]; - u32 new_itr = q_vector->eitr; - u8 current_itr; - - q_vector->tx_itr = ixgbe_update_itr(adapter, new_itr, - q_vector->tx_itr, - tx_ring->total_packets, - tx_ring->total_bytes); - q_vector->rx_itr = ixgbe_update_itr(adapter, new_itr, - q_vector->rx_itr, - rx_ring->total_packets, - rx_ring->total_bytes); - - current_itr = max(q_vector->rx_itr, q_vector->tx_itr); - - switch (current_itr) { - /* counts and packets in update_itr are dependent on these numbers */ - case lowest_latency: - new_itr = 100000; - break; - case low_latency: - new_itr = 20000; /* aka hwitr = ~200 */ - break; - case bulk_latency: - new_itr = 8000; - break; - default: - break; - } - - if (new_itr != q_vector->eitr) { - /* do an exponential smoothing */ - new_itr = ((q_vector->eitr * 9) + new_itr)/10; - - /* save the algorithm value here */ - q_vector->eitr = new_itr; - - ixgbe_write_eitr(q_vector); - } -} - -/** - * ixgbe_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - **/ -static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter, bool queues, - bool flush) -{ - u32 mask; - - mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); - if (adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) - mask |= IXGBE_EIMS_GPI_SDP0; - if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) - mask |= IXGBE_EIMS_GPI_SDP1; - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - mask |= IXGBE_EIMS_ECC; - mask |= IXGBE_EIMS_GPI_SDP1; - mask |= IXGBE_EIMS_GPI_SDP2; - if (adapter->num_vfs) - mask |= IXGBE_EIMS_MAILBOX; - break; - default: - break; - } - if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || - adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) - mask |= IXGBE_EIMS_FLOW_DIR; - - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask); - if (queues) - ixgbe_irq_enable_queues(adapter, ~0); - if (flush) - IXGBE_WRITE_FLUSH(&adapter->hw); - - if (adapter->num_vfs > 32) { - u32 eitrsel = (1 << (adapter->num_vfs - 32)) - 1; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, eitrsel); - } -} - -/** - * ixgbe_intr - legacy mode Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - **/ -static irqreturn_t ixgbe_intr(int irq, void *data) -{ - struct net_device *netdev = data; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - struct ixgbe_q_vector *q_vector = adapter->q_vector[0]; - u32 eicr; - - /* - * Workaround for silicon errata on 82598. Mask the interrupts - * before the read of EICR. - */ - IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); - - /* for NAPI, using EIAM to auto-mask tx/rx interrupt bits on read - * therefore no explict interrupt disable is necessary */ - eicr = IXGBE_READ_REG(hw, IXGBE_EICR); - if (!eicr) { - /* - * shared interrupt alert! - * make sure interrupts are enabled because the read will - * have disabled interrupts due to EIAM - * finish the workaround of silicon errata on 82598. Unmask - * the interrupt that we masked before the EICR read. - */ - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_enable(adapter, true, true); - return IRQ_NONE; /* Not our interrupt */ - } - - if (eicr & IXGBE_EICR_LSC) - ixgbe_check_lsc(adapter); - - switch (hw->mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - ixgbe_check_sfp_event(adapter, eicr); - if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) && - ((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC))) { - adapter->interrupt_event = eicr; - schedule_work(&adapter->check_overtemp_task); - } - break; - default: - break; - } - - ixgbe_check_fan_failure(adapter, eicr); - - if (napi_schedule_prep(&(q_vector->napi))) { - adapter->tx_ring[0]->total_packets = 0; - adapter->tx_ring[0]->total_bytes = 0; - adapter->rx_ring[0]->total_packets = 0; - adapter->rx_ring[0]->total_bytes = 0; - /* would disable interrupts here but EIAM disabled it */ - __napi_schedule(&(q_vector->napi)); - } - - /* - * re-enable link(maybe) and non-queue interrupts, no flush. - * ixgbe_poll will re-enable the queue interrupts - */ - - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_enable(adapter, false, false); - - return IRQ_HANDLED; -} - -static inline void ixgbe_reset_q_vectors(struct ixgbe_adapter *adapter) -{ - int i, q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - - for (i = 0; i < q_vectors; i++) { - struct ixgbe_q_vector *q_vector = adapter->q_vector[i]; - bitmap_zero(q_vector->rxr_idx, MAX_RX_QUEUES); - bitmap_zero(q_vector->txr_idx, MAX_TX_QUEUES); - q_vector->rxr_count = 0; - q_vector->txr_count = 0; - } -} - -/** - * ixgbe_request_irq - initialize interrupts - * @adapter: board private structure - * - * Attempts to configure interrupts using the best available - * capabilities of the hardware and kernel. - **/ -static int ixgbe_request_irq(struct ixgbe_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err; - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - err = ixgbe_request_msix_irqs(adapter); - } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) { - err = request_irq(adapter->pdev->irq, ixgbe_intr, 0, - netdev->name, netdev); - } else { - err = request_irq(adapter->pdev->irq, ixgbe_intr, IRQF_SHARED, - netdev->name, netdev); - } - - if (err) - e_err(probe, "request_irq failed, Error %d\n", err); - - return err; -} - -static void ixgbe_free_irq(struct ixgbe_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - int i, q_vectors; - - q_vectors = adapter->num_msix_vectors; - - i = q_vectors - 1; - free_irq(adapter->msix_entries[i].vector, netdev); - - i--; - for (; i >= 0; i--) { - free_irq(adapter->msix_entries[i].vector, - adapter->q_vector[i]); - } - - ixgbe_reset_q_vectors(adapter); - } else { - free_irq(adapter->pdev->irq, netdev); - } -} - -/** - * ixgbe_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - **/ -static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter) -{ - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0); - if (adapter->num_vfs > 32) - IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, 0); - break; - default: - break; - } - IXGBE_WRITE_FLUSH(&adapter->hw); - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - int i; - for (i = 0; i < adapter->num_msix_vectors; i++) - synchronize_irq(adapter->msix_entries[i].vector); - } else { - synchronize_irq(adapter->pdev->irq); - } -} - -/** - * ixgbe_configure_msi_and_legacy - Initialize PIN (INTA...) and MSI interrupts - * - **/ -static void ixgbe_configure_msi_and_legacy(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - - IXGBE_WRITE_REG(hw, IXGBE_EITR(0), - EITR_INTS_PER_SEC_TO_REG(adapter->rx_eitr_param)); - - ixgbe_set_ivar(adapter, 0, 0, 0); - ixgbe_set_ivar(adapter, 1, 0, 0); - - map_vector_to_rxq(adapter, 0, 0); - map_vector_to_txq(adapter, 0, 0); - - e_info(hw, "Legacy interrupt IVAR setup done\n"); -} - -/** - * ixgbe_configure_tx_ring - Configure 8259x Tx ring after Reset - * @adapter: board private structure - * @ring: structure containing ring specific data - * - * Configure the Tx descriptor ring after a reset. - **/ -void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter, - struct ixgbe_ring *ring) -{ - struct ixgbe_hw *hw = &adapter->hw; - u64 tdba = ring->dma; - int wait_loop = 10; - u32 txdctl; - u8 reg_idx = ring->reg_idx; - - /* disable queue to avoid issues while updating state */ - txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(reg_idx)); - IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(reg_idx), - txdctl & ~IXGBE_TXDCTL_ENABLE); - IXGBE_WRITE_FLUSH(hw); - - IXGBE_WRITE_REG(hw, IXGBE_TDBAL(reg_idx), - (tdba & DMA_BIT_MASK(32))); - IXGBE_WRITE_REG(hw, IXGBE_TDBAH(reg_idx), (tdba >> 32)); - IXGBE_WRITE_REG(hw, IXGBE_TDLEN(reg_idx), - ring->count * sizeof(union ixgbe_adv_tx_desc)); - IXGBE_WRITE_REG(hw, IXGBE_TDH(reg_idx), 0); - IXGBE_WRITE_REG(hw, IXGBE_TDT(reg_idx), 0); - ring->tail = hw->hw_addr + IXGBE_TDT(reg_idx); - - /* configure fetching thresholds */ - if (adapter->rx_itr_setting == 0) { - /* cannot set wthresh when itr==0 */ - txdctl &= ~0x007F0000; - } else { - /* enable WTHRESH=8 descriptors, to encourage burst writeback */ - txdctl |= (8 << 16); - } - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - /* PThresh workaround for Tx hang with DFP enabled. */ - txdctl |= 32; - } - - /* reinitialize flowdirector state */ - if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) && - adapter->atr_sample_rate) { - ring->atr_sample_rate = adapter->atr_sample_rate; - ring->atr_count = 0; - set_bit(__IXGBE_TX_FDIR_INIT_DONE, &ring->state); - } else { - ring->atr_sample_rate = 0; - } - - clear_bit(__IXGBE_HANG_CHECK_ARMED, &ring->state); - - /* enable queue */ - txdctl |= IXGBE_TXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(reg_idx), txdctl); - - /* TXDCTL.EN will return 0 on 82598 if link is down, so skip it */ - if (hw->mac.type == ixgbe_mac_82598EB && - !(IXGBE_READ_REG(hw, IXGBE_LINKS) & IXGBE_LINKS_UP)) - return; - - /* poll to verify queue is enabled */ - do { - msleep(1); - txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(reg_idx)); - } while (--wait_loop && !(txdctl & IXGBE_TXDCTL_ENABLE)); - if (!wait_loop) - e_err(drv, "Could not enable Tx Queue %d\n", reg_idx); -} - -static void ixgbe_setup_mtqc(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 rttdcs; - u32 mask; - - if (hw->mac.type == ixgbe_mac_82598EB) - return; - - /* disable the arbiter while setting MTQC */ - rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); - rttdcs |= IXGBE_RTTDCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); - - /* set transmit pool layout */ - mask = (IXGBE_FLAG_SRIOV_ENABLED | IXGBE_FLAG_DCB_ENABLED); - switch (adapter->flags & mask) { - - case (IXGBE_FLAG_SRIOV_ENABLED): - IXGBE_WRITE_REG(hw, IXGBE_MTQC, - (IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF)); - break; - - case (IXGBE_FLAG_DCB_ENABLED): - /* We enable 8 traffic classes, DCB only */ - IXGBE_WRITE_REG(hw, IXGBE_MTQC, - (IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ)); - break; - - default: - IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB); - break; - } - - /* re-enable the arbiter */ - rttdcs &= ~IXGBE_RTTDCS_ARBDIS; - IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); -} - -/** - * ixgbe_configure_tx - Configure 8259x Transmit Unit after Reset - * @adapter: board private structure - * - * Configure the Tx unit of the MAC after a reset. - **/ -static void ixgbe_configure_tx(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 dmatxctl; - u32 i; - - ixgbe_setup_mtqc(adapter); - - if (hw->mac.type != ixgbe_mac_82598EB) { - /* DMATXCTL.EN must be before Tx queues are enabled */ - dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); - dmatxctl |= IXGBE_DMATXCTL_TE; - IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); - } - - /* Setup the HW Tx Head and Tail descriptor pointers */ - for (i = 0; i < adapter->num_tx_queues; i++) - ixgbe_configure_tx_ring(adapter, adapter->tx_ring[i]); -} - -#define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2 - -static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, - struct ixgbe_ring *rx_ring) -{ - u32 srrctl; - u8 reg_idx = rx_ring->reg_idx; - - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: { - struct ixgbe_ring_feature *feature = adapter->ring_feature; - const int mask = feature[RING_F_RSS].mask; - reg_idx = reg_idx & mask; - } - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - default: - break; - } - - srrctl = IXGBE_READ_REG(&adapter->hw, IXGBE_SRRCTL(reg_idx)); - - srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; - srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; - if (adapter->num_vfs) - srrctl |= IXGBE_SRRCTL_DROP_EN; - - srrctl |= (IXGBE_RX_HDR_SIZE << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) & - IXGBE_SRRCTL_BSIZEHDR_MASK; - - if (ring_is_ps_enabled(rx_ring)) { -#if (PAGE_SIZE / 2) > IXGBE_MAX_RXBUFFER - srrctl |= IXGBE_MAX_RXBUFFER >> IXGBE_SRRCTL_BSIZEPKT_SHIFT; -#else - srrctl |= (PAGE_SIZE / 2) >> IXGBE_SRRCTL_BSIZEPKT_SHIFT; -#endif - srrctl |= IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS; - } else { - srrctl |= ALIGN(rx_ring->rx_buf_len, 1024) >> - IXGBE_SRRCTL_BSIZEPKT_SHIFT; - srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; - } - - IXGBE_WRITE_REG(&adapter->hw, IXGBE_SRRCTL(reg_idx), srrctl); -} - -static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - static const u32 seed[10] = { 0xE291D73D, 0x1805EC6C, 0x2A94B30D, - 0xA54F2BEC, 0xEA49AF7C, 0xE214AD3D, 0xB855AABE, - 0x6A3E67EA, 0x14364D17, 0x3BED200D}; - u32 mrqc = 0, reta = 0; - u32 rxcsum; - int i, j; - int mask; - - /* Fill out hash function seeds */ - for (i = 0; i < 10; i++) - IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), seed[i]); - - /* Fill out redirection table */ - for (i = 0, j = 0; i < 128; i++, j++) { - if (j == adapter->ring_feature[RING_F_RSS].indices) - j = 0; - /* reta = 4-byte sliding window of - * 0x00..(indices-1)(indices-1)00..etc. */ - reta = (reta << 8) | (j * 0x11); - if ((i & 3) == 3) - IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); - } - - /* Disable indicating checksum in descriptor, enables RSS hash */ - rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); - rxcsum |= IXGBE_RXCSUM_PCSD; - IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); - - if (adapter->hw.mac.type == ixgbe_mac_82598EB) - mask = adapter->flags & IXGBE_FLAG_RSS_ENABLED; - else - mask = adapter->flags & (IXGBE_FLAG_RSS_ENABLED -#ifdef CONFIG_IXGBE_DCB - | IXGBE_FLAG_DCB_ENABLED -#endif - | IXGBE_FLAG_SRIOV_ENABLED - ); - - switch (mask) { - case (IXGBE_FLAG_RSS_ENABLED): - mrqc = IXGBE_MRQC_RSSEN; - break; - case (IXGBE_FLAG_SRIOV_ENABLED): - mrqc = IXGBE_MRQC_VMDQEN; - break; -#ifdef CONFIG_IXGBE_DCB - case (IXGBE_FLAG_DCB_ENABLED): - mrqc = IXGBE_MRQC_RT8TCEN; - break; -#endif /* CONFIG_IXGBE_DCB */ - default: - break; - } - - /* Perform hash on these packet types */ - mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4 - | IXGBE_MRQC_RSS_FIELD_IPV4_TCP - | IXGBE_MRQC_RSS_FIELD_IPV6 - | IXGBE_MRQC_RSS_FIELD_IPV6_TCP; - - IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); -} - -/** - * ixgbe_clear_rscctl - disable RSC for the indicated ring - * @adapter: address of board private structure - * @ring: structure containing ring specific data - **/ -void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter, - struct ixgbe_ring *ring) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 rscctrl; - u8 reg_idx = ring->reg_idx; - - rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(reg_idx)); - rscctrl &= ~IXGBE_RSCCTL_RSCEN; - IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(reg_idx), rscctrl); -} - -/** - * ixgbe_configure_rscctl - enable RSC for the indicated ring - * @adapter: address of board private structure - * @index: index of ring to set - **/ -void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, - struct ixgbe_ring *ring) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 rscctrl; - int rx_buf_len; - u8 reg_idx = ring->reg_idx; - - if (!ring_is_rsc_enabled(ring)) - return; - - rx_buf_len = ring->rx_buf_len; - rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(reg_idx)); - rscctrl |= IXGBE_RSCCTL_RSCEN; - /* - * we must limit the number of descriptors so that the - * total size of max desc * buf_len is not greater - * than 65535 - */ - if (ring_is_ps_enabled(ring)) { -#if (MAX_SKB_FRAGS > 16) - rscctrl |= IXGBE_RSCCTL_MAXDESC_16; -#elif (MAX_SKB_FRAGS > 8) - rscctrl |= IXGBE_RSCCTL_MAXDESC_8; -#elif (MAX_SKB_FRAGS > 4) - rscctrl |= IXGBE_RSCCTL_MAXDESC_4; -#else - rscctrl |= IXGBE_RSCCTL_MAXDESC_1; -#endif - } else { - if (rx_buf_len < IXGBE_RXBUFFER_4096) - rscctrl |= IXGBE_RSCCTL_MAXDESC_16; - else if (rx_buf_len < IXGBE_RXBUFFER_8192) - rscctrl |= IXGBE_RSCCTL_MAXDESC_8; - else - rscctrl |= IXGBE_RSCCTL_MAXDESC_4; - } - IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(reg_idx), rscctrl); -} - -/** - * ixgbe_set_uta - Set unicast filter table address - * @adapter: board private structure - * - * The unicast table address is a register array of 32-bit registers. - * The table is meant to be used in a way similar to how the MTA is used - * however due to certain limitations in the hardware it is necessary to - * set all the hash bits to 1 and use the VMOLR ROPE bit as a promiscuous - * enable bit to allow vlan tag stripping when promiscuous mode is enabled - **/ -static void ixgbe_set_uta(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - int i; - - /* The UTA table only exists on 82599 hardware and newer */ - if (hw->mac.type < ixgbe_mac_82599EB) - return; - - /* we only need to do this if VMDq is enabled */ - if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) - return; - - for (i = 0; i < 128; i++) - IXGBE_WRITE_REG(hw, IXGBE_UTA(i), ~0); -} - -#define IXGBE_MAX_RX_DESC_POLL 10 -static void ixgbe_rx_desc_queue_enable(struct ixgbe_adapter *adapter, - struct ixgbe_ring *ring) -{ - struct ixgbe_hw *hw = &adapter->hw; - int wait_loop = IXGBE_MAX_RX_DESC_POLL; - u32 rxdctl; - u8 reg_idx = ring->reg_idx; - - /* RXDCTL.EN will return 0 on 82598 if link is down, so skip it */ - if (hw->mac.type == ixgbe_mac_82598EB && - !(IXGBE_READ_REG(hw, IXGBE_LINKS) & IXGBE_LINKS_UP)) - return; - - do { - msleep(1); - rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(reg_idx)); - } while (--wait_loop && !(rxdctl & IXGBE_RXDCTL_ENABLE)); - - if (!wait_loop) { - e_err(drv, "RXDCTL.ENABLE on Rx queue %d not set within " - "the polling period\n", reg_idx); - } -} - -void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter, - struct ixgbe_ring *ring) -{ - struct ixgbe_hw *hw = &adapter->hw; - u64 rdba = ring->dma; - u32 rxdctl; - u8 reg_idx = ring->reg_idx; - - /* disable queue to avoid issues while updating state */ - rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(reg_idx)); - IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(reg_idx), - rxdctl & ~IXGBE_RXDCTL_ENABLE); - IXGBE_WRITE_FLUSH(hw); - - IXGBE_WRITE_REG(hw, IXGBE_RDBAL(reg_idx), (rdba & DMA_BIT_MASK(32))); - IXGBE_WRITE_REG(hw, IXGBE_RDBAH(reg_idx), (rdba >> 32)); - IXGBE_WRITE_REG(hw, IXGBE_RDLEN(reg_idx), - ring->count * sizeof(union ixgbe_adv_rx_desc)); - IXGBE_WRITE_REG(hw, IXGBE_RDH(reg_idx), 0); - IXGBE_WRITE_REG(hw, IXGBE_RDT(reg_idx), 0); - ring->tail = hw->hw_addr + IXGBE_RDT(reg_idx); - - ixgbe_configure_srrctl(adapter, ring); - ixgbe_configure_rscctl(adapter, ring); - - if (hw->mac.type == ixgbe_mac_82598EB) { - /* - * enable cache line friendly hardware writes: - * PTHRESH=32 descriptors (half the internal cache), - * this also removes ugly rx_no_buffer_count increment - * HTHRESH=4 descriptors (to minimize latency on fetch) - * WTHRESH=8 burst writeback up to two cache lines - */ - rxdctl &= ~0x3FFFFF; - rxdctl |= 0x080420; - } - - /* enable receive descriptor ring */ - rxdctl |= IXGBE_RXDCTL_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(reg_idx), rxdctl); - - ixgbe_rx_desc_queue_enable(adapter, ring); - ixgbe_alloc_rx_buffers(ring, IXGBE_DESC_UNUSED(ring)); -} - -static void ixgbe_setup_psrtype(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - int p; - - /* PSRTYPE must be initialized in non 82598 adapters */ - u32 psrtype = IXGBE_PSRTYPE_TCPHDR | - IXGBE_PSRTYPE_UDPHDR | - IXGBE_PSRTYPE_IPV4HDR | - IXGBE_PSRTYPE_L2HDR | - IXGBE_PSRTYPE_IPV6HDR; - - if (hw->mac.type == ixgbe_mac_82598EB) - return; - - if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) - psrtype |= (adapter->num_rx_queues_per_pool << 29); - - for (p = 0; p < adapter->num_rx_pools; p++) - IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(adapter->num_vfs + p), - psrtype); -} - -static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 gcr_ext; - u32 vt_reg_bits; - u32 reg_offset, vf_shift; - u32 vmdctl; - - if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) - return; - - vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); - vt_reg_bits = IXGBE_VMD_CTL_VMDQ_EN | IXGBE_VT_CTL_REPLEN; - vt_reg_bits |= (adapter->num_vfs << IXGBE_VT_CTL_POOL_SHIFT); - IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits); - - vf_shift = adapter->num_vfs % 32; - reg_offset = (adapter->num_vfs > 32) ? 1 : 0; - - /* Enable only the PF's pool for Tx/Rx */ - IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift)); - IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset ^ 1), 0); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), (1 << vf_shift)); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset ^ 1), 0); - IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); - - /* Map PF MAC address in RAR Entry 0 to first pool following VFs */ - hw->mac.ops.set_vmdq(hw, 0, adapter->num_vfs); - - /* - * Set up VF register offsets for selected VT Mode, - * i.e. 32 or 64 VFs for SR-IOV - */ - gcr_ext = IXGBE_READ_REG(hw, IXGBE_GCR_EXT); - gcr_ext |= IXGBE_GCR_EXT_MSIX_EN; - gcr_ext |= IXGBE_GCR_EXT_VT_MODE_64; - IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, gcr_ext); - - /* enable Tx loopback for VF/PF communication */ - IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); -} - -static void ixgbe_set_rx_buffer_len(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; - int rx_buf_len; - struct ixgbe_ring *rx_ring; - int i; - u32 mhadd, hlreg0; - - /* Decide whether to use packet split mode or not */ - /* Do not use packet split if we're in SR-IOV Mode */ - if (!adapter->num_vfs) - adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED; - - /* Set the RX buffer length according to the mode */ - if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { - rx_buf_len = IXGBE_RX_HDR_SIZE; - } else { - if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) && - (netdev->mtu <= ETH_DATA_LEN)) - rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE; - else - rx_buf_len = ALIGN(max_frame + VLAN_HLEN, 1024); - } - -#ifdef IXGBE_FCOE - /* adjust max frame to be able to do baby jumbo for FCoE */ - if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) && - (max_frame < IXGBE_FCOE_JUMBO_FRAME_SIZE)) - max_frame = IXGBE_FCOE_JUMBO_FRAME_SIZE; - -#endif /* IXGBE_FCOE */ - mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); - if (max_frame != (mhadd >> IXGBE_MHADD_MFS_SHIFT)) { - mhadd &= ~IXGBE_MHADD_MFS_MASK; - mhadd |= max_frame << IXGBE_MHADD_MFS_SHIFT; - - IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); - } - - hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0); - /* set jumbo enable since MHADD.MFS is keeping size locked at max_frame */ - hlreg0 |= IXGBE_HLREG0_JUMBOEN; - IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0); - - /* - * Setup the HW Rx Head and Tail Descriptor Pointers and - * the Base and Length of the Rx Descriptor Ring - */ - for (i = 0; i < adapter->num_rx_queues; i++) { - rx_ring = adapter->rx_ring[i]; - rx_ring->rx_buf_len = rx_buf_len; - - if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) - set_ring_ps_enabled(rx_ring); - else - clear_ring_ps_enabled(rx_ring); - - if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) - set_ring_rsc_enabled(rx_ring); - else - clear_ring_rsc_enabled(rx_ring); - -#ifdef IXGBE_FCOE - if (netdev->features & NETIF_F_FCOE_MTU) { - struct ixgbe_ring_feature *f; - f = &adapter->ring_feature[RING_F_FCOE]; - if ((i >= f->mask) && (i < f->mask + f->indices)) { - clear_ring_ps_enabled(rx_ring); - if (rx_buf_len < IXGBE_FCOE_JUMBO_FRAME_SIZE) - rx_ring->rx_buf_len = - IXGBE_FCOE_JUMBO_FRAME_SIZE; - } else if (!ring_is_rsc_enabled(rx_ring) && - !ring_is_ps_enabled(rx_ring)) { - rx_ring->rx_buf_len = - IXGBE_FCOE_JUMBO_FRAME_SIZE; - } - } -#endif /* IXGBE_FCOE */ - } -} - -static void ixgbe_setup_rdrxctl(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 rdrxctl = IXGBE_READ_REG(hw, IXGBE_RDRXCTL); - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - /* - * For VMDq support of different descriptor types or - * buffer sizes through the use of multiple SRRCTL - * registers, RDRXCTL.MVMEN must be set to 1 - * - * also, the manual doesn't mention it clearly but DCA hints - * will only use queue 0's tags unless this bit is set. Side - * effects of setting this bit are only that SRRCTL must be - * fully programmed [0..15] - */ - rdrxctl |= IXGBE_RDRXCTL_MVMEN; - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - /* Disable RSC for ACK packets */ - IXGBE_WRITE_REG(hw, IXGBE_RSCDBU, - (IXGBE_RSCDBU_RSCACKDIS | IXGBE_READ_REG(hw, IXGBE_RSCDBU))); - rdrxctl &= ~IXGBE_RDRXCTL_RSCFRSTSIZE; - /* hardware requires some bits to be set by default */ - rdrxctl |= (IXGBE_RDRXCTL_RSCACKC | IXGBE_RDRXCTL_FCOE_WRFIX); - rdrxctl |= IXGBE_RDRXCTL_CRCSTRIP; - break; - default: - /* We should do nothing since we don't know this hardware */ - return; - } - - IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl); -} - -/** - * ixgbe_configure_rx - Configure 8259x Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Rx unit of the MAC after a reset. - **/ -static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - int i; - u32 rxctrl; - - /* disable receives while setting up the descriptors */ - rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl & ~IXGBE_RXCTRL_RXEN); - - ixgbe_setup_psrtype(adapter); - ixgbe_setup_rdrxctl(adapter); - - /* Program registers for the distribution of queues */ - ixgbe_setup_mrqc(adapter); - - ixgbe_set_uta(adapter); - - /* set_rx_buffer_len must be called before ring initialization */ - ixgbe_set_rx_buffer_len(adapter); - - /* - * Setup the HW Rx Head and Tail Descriptor Pointers and - * the Base and Length of the Rx Descriptor Ring - */ - for (i = 0; i < adapter->num_rx_queues; i++) - ixgbe_configure_rx_ring(adapter, adapter->rx_ring[i]); - - /* disable drop enable for 82598 parts */ - if (hw->mac.type == ixgbe_mac_82598EB) - rxctrl |= IXGBE_RXCTRL_DMBYPS; - - /* enable all receives */ - rxctrl |= IXGBE_RXCTRL_RXEN; - hw->mac.ops.enable_rx_dma(hw, rxctrl); -} - -static void ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - int pool_ndx = adapter->num_vfs; - - /* add VID to filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, pool_ndx, true); - set_bit(vid, adapter->active_vlans); -} - -static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - int pool_ndx = adapter->num_vfs; - - /* remove VID from filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, pool_ndx, false); - clear_bit(vid, adapter->active_vlans); -} - -/** - * ixgbe_vlan_filter_disable - helper to disable hw vlan filtering - * @adapter: driver data - */ -static void ixgbe_vlan_filter_disable(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 vlnctrl; - - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); -} - -/** - * ixgbe_vlan_filter_enable - helper to enable hw vlan filtering - * @adapter: driver data - */ -static void ixgbe_vlan_filter_enable(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 vlnctrl; - - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl |= IXGBE_VLNCTRL_VFE; - vlnctrl &= ~IXGBE_VLNCTRL_CFIEN; - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); -} - -/** - * ixgbe_vlan_strip_disable - helper to disable hw vlan stripping - * @adapter: driver data - */ -static void ixgbe_vlan_strip_disable(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 vlnctrl; - int i, j; - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl &= ~IXGBE_VLNCTRL_VME; - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - for (i = 0; i < adapter->num_rx_queues; i++) { - j = adapter->rx_ring[i]->reg_idx; - vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j)); - vlnctrl &= ~IXGBE_RXDCTL_VME; - IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl); - } - break; - default: - break; - } -} - -/** - * ixgbe_vlan_strip_enable - helper to enable hw vlan stripping - * @adapter: driver data - */ -static void ixgbe_vlan_strip_enable(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 vlnctrl; - int i, j; - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl |= IXGBE_VLNCTRL_VME; - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - for (i = 0; i < adapter->num_rx_queues; i++) { - j = adapter->rx_ring[i]->reg_idx; - vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j)); - vlnctrl |= IXGBE_RXDCTL_VME; - IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl); - } - break; - default: - break; - } -} - -static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter) -{ - u16 vid; - - ixgbe_vlan_rx_add_vid(adapter->netdev, 0); - - for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID) - ixgbe_vlan_rx_add_vid(adapter->netdev, vid); -} - -/** - * ixgbe_write_uc_addr_list - write unicast addresses to RAR table - * @netdev: network interface device structure - * - * Writes unicast address list to the RAR table. - * Returns: -ENOMEM on failure/insufficient address space - * 0 on no addresses written - * X on writing X addresses to the RAR table - **/ -static int ixgbe_write_uc_addr_list(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - unsigned int vfn = adapter->num_vfs; - unsigned int rar_entries = hw->mac.num_rar_entries - (vfn + 1); - int count = 0; - - /* return ENOMEM indicating insufficient memory for addresses */ - if (netdev_uc_count(netdev) > rar_entries) - return -ENOMEM; - - if (!netdev_uc_empty(netdev) && rar_entries) { - struct netdev_hw_addr *ha; - /* return error if we do not support writing to RAR table */ - if (!hw->mac.ops.set_rar) - return -ENOMEM; - - netdev_for_each_uc_addr(ha, netdev) { - if (!rar_entries) - break; - hw->mac.ops.set_rar(hw, rar_entries--, ha->addr, - vfn, IXGBE_RAH_AV); - count++; - } - } - /* write the addresses in reverse order to avoid write combining */ - for (; rar_entries > 0 ; rar_entries--) - hw->mac.ops.clear_rar(hw, rar_entries); - - return count; -} - -/** - * ixgbe_set_rx_mode - Unicast, Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_rx_method entry point is called whenever the unicast/multicast - * address list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper unicast, multicast and - * promiscuous mode. - **/ -void ixgbe_set_rx_mode(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u32 fctrl, vmolr = IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE; - int count; - - /* Check for Promiscuous and All Multicast modes */ - - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - - /* set all bits that we expect to always be set */ - fctrl |= IXGBE_FCTRL_BAM; - fctrl |= IXGBE_FCTRL_DPF; /* discard pause frames when FC enabled */ - fctrl |= IXGBE_FCTRL_PMCF; - - /* clear the bits we are changing the status of */ - fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); - - if (netdev->flags & IFF_PROMISC) { - hw->addr_ctrl.user_set_promisc = true; - fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); - vmolr |= (IXGBE_VMOLR_ROPE | IXGBE_VMOLR_MPE); - /* don't hardware filter vlans in promisc mode */ - ixgbe_vlan_filter_disable(adapter); - } else { - if (netdev->flags & IFF_ALLMULTI) { - fctrl |= IXGBE_FCTRL_MPE; - vmolr |= IXGBE_VMOLR_MPE; - } else { - /* - * Write addresses to the MTA, if the attempt fails - * then we should just turn on promiscous mode so - * that we can at least receive multicast traffic - */ - hw->mac.ops.update_mc_addr_list(hw, netdev); - vmolr |= IXGBE_VMOLR_ROMPE; - } - ixgbe_vlan_filter_enable(adapter); - hw->addr_ctrl.user_set_promisc = false; - /* - * Write addresses to available RAR registers, if there is not - * sufficient space to store all the addresses then enable - * unicast promiscous mode - */ - count = ixgbe_write_uc_addr_list(netdev); - if (count < 0) { - fctrl |= IXGBE_FCTRL_UPE; - vmolr |= IXGBE_VMOLR_ROPE; - } - } - - if (adapter->num_vfs) { - ixgbe_restore_vf_multicasts(adapter); - vmolr |= IXGBE_READ_REG(hw, IXGBE_VMOLR(adapter->num_vfs)) & - ~(IXGBE_VMOLR_MPE | IXGBE_VMOLR_ROMPE | - IXGBE_VMOLR_ROPE); - IXGBE_WRITE_REG(hw, IXGBE_VMOLR(adapter->num_vfs), vmolr); - } - - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - - if (netdev->features & NETIF_F_HW_VLAN_RX) - ixgbe_vlan_strip_enable(adapter); - else - ixgbe_vlan_strip_disable(adapter); -} - -static void ixgbe_napi_enable_all(struct ixgbe_adapter *adapter) -{ - int q_idx; - struct ixgbe_q_vector *q_vector; - int q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - - /* legacy and MSI only use one vector */ - if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) - q_vectors = 1; - - for (q_idx = 0; q_idx < q_vectors; q_idx++) { - struct napi_struct *napi; - q_vector = adapter->q_vector[q_idx]; - napi = &q_vector->napi; - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - if (!q_vector->rxr_count || !q_vector->txr_count) { - if (q_vector->txr_count == 1) - napi->poll = &ixgbe_clean_txonly; - else if (q_vector->rxr_count == 1) - napi->poll = &ixgbe_clean_rxonly; - } - } - - napi_enable(napi); - } -} - -static void ixgbe_napi_disable_all(struct ixgbe_adapter *adapter) -{ - int q_idx; - struct ixgbe_q_vector *q_vector; - int q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - - /* legacy and MSI only use one vector */ - if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) - q_vectors = 1; - - for (q_idx = 0; q_idx < q_vectors; q_idx++) { - q_vector = adapter->q_vector[q_idx]; - napi_disable(&q_vector->napi); - } -} - -#ifdef CONFIG_IXGBE_DCB -/* - * ixgbe_configure_dcb - Configure DCB hardware - * @adapter: ixgbe adapter struct - * - * This is called by the driver on open to configure the DCB hardware. - * This is also called by the gennetlink interface when reconfiguring - * the DCB state. - */ -static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - int max_frame = adapter->netdev->mtu + ETH_HLEN + ETH_FCS_LEN; - - if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) { - if (hw->mac.type == ixgbe_mac_82598EB) - netif_set_gso_max_size(adapter->netdev, 65536); - return; - } - - if (hw->mac.type == ixgbe_mac_82598EB) - netif_set_gso_max_size(adapter->netdev, 32768); - -#ifdef CONFIG_FCOE - if (adapter->netdev->features & NETIF_F_FCOE_MTU) - max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); -#endif - - ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, - DCB_TX_CONFIG); - ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, - DCB_RX_CONFIG); - - /* Enable VLAN tag insert/strip */ - adapter->netdev->features |= NETIF_F_HW_VLAN_RX; - - hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true); - - /* reconfigure the hardware */ - ixgbe_dcb_hw_config(hw, &adapter->dcb_cfg); -} - -#endif -static void ixgbe_configure(struct ixgbe_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct ixgbe_hw *hw = &adapter->hw; - int i; - -#ifdef CONFIG_IXGBE_DCB - ixgbe_configure_dcb(adapter); -#endif - - ixgbe_set_rx_mode(netdev); - ixgbe_restore_vlan(adapter); - -#ifdef IXGBE_FCOE - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) - ixgbe_configure_fcoe(adapter); - -#endif /* IXGBE_FCOE */ - if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) { - for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i]->atr_sample_rate = - adapter->atr_sample_rate; - ixgbe_init_fdir_signature_82599(hw, adapter->fdir_pballoc); - } else if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) { - ixgbe_init_fdir_perfect_82599(hw, adapter->fdir_pballoc); - } - ixgbe_configure_virtualization(adapter); - - ixgbe_configure_tx(adapter); - ixgbe_configure_rx(adapter); -} - -static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw) -{ - switch (hw->phy.type) { - case ixgbe_phy_sfp_avago: - case ixgbe_phy_sfp_ftl: - case ixgbe_phy_sfp_intel: - case ixgbe_phy_sfp_unknown: - case ixgbe_phy_sfp_passive_tyco: - case ixgbe_phy_sfp_passive_unknown: - case ixgbe_phy_sfp_active_unknown: - case ixgbe_phy_sfp_ftl_active: - return true; - default: - return false; - } -} - -/** - * ixgbe_sfp_link_config - set up SFP+ link - * @adapter: pointer to private adapter struct - **/ -static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - - if (hw->phy.multispeed_fiber) { - /* - * In multispeed fiber setups, the device may not have - * had a physical connection when the driver loaded. - * If that's the case, the initial link configuration - * couldn't get the MAC into 10G or 1G mode, so we'll - * never have a link status change interrupt fire. - * We need to try and force an autonegotiation - * session, then bring up link. - */ - hw->mac.ops.setup_sfp(hw); - if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK)) - schedule_work(&adapter->multispeed_fiber_task); - } else { - /* - * Direct Attach Cu and non-multispeed fiber modules - * still need to be configured properly prior to - * attempting link. - */ - if (!(adapter->flags & IXGBE_FLAG_IN_SFP_MOD_TASK)) - schedule_work(&adapter->sfp_config_module_task); - } -} - -/** - * ixgbe_non_sfp_link_config - set up non-SFP+ link - * @hw: pointer to private hardware struct - * - * Returns 0 on success, negative on failure - **/ -static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw) -{ - u32 autoneg; - bool negotiation, link_up = false; - u32 ret = IXGBE_ERR_LINK_SETUP; - - if (hw->mac.ops.check_link) - ret = hw->mac.ops.check_link(hw, &autoneg, &link_up, false); - - if (ret) - goto link_cfg_out; - - if (hw->mac.ops.get_link_capabilities) - ret = hw->mac.ops.get_link_capabilities(hw, &autoneg, - &negotiation); - if (ret) - goto link_cfg_out; - - if (hw->mac.ops.setup_link) - ret = hw->mac.ops.setup_link(hw, autoneg, negotiation, link_up); -link_cfg_out: - return ret; -} - -static void ixgbe_setup_gpie(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 gpie = 0; - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - gpie = IXGBE_GPIE_MSIX_MODE | IXGBE_GPIE_PBA_SUPPORT | - IXGBE_GPIE_OCD; - gpie |= IXGBE_GPIE_EIAME; - /* - * use EIAM to auto-mask when MSI-X interrupt is asserted - * this saves a register write for every interrupt - */ - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - default: - IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); - IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); - break; - } - } else { - /* legacy interrupts, use EIAM to auto-mask when reading EICR, - * specifically only auto mask tx and rx interrupts */ - IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); - } - - /* XXX: to interrupt immediately for EICS writes, enable this */ - /* gpie |= IXGBE_GPIE_EIMEN; */ - - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { - gpie &= ~IXGBE_GPIE_VTMODE_MASK; - gpie |= IXGBE_GPIE_VTMODE_64; - } - - /* Enable fan failure interrupt */ - if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) - gpie |= IXGBE_SDP1_GPIEN; - - if (hw->mac.type == ixgbe_mac_82599EB) - gpie |= IXGBE_SDP1_GPIEN; - gpie |= IXGBE_SDP2_GPIEN; - - IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); -} - -static int ixgbe_up_complete(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - int err; - u32 ctrl_ext; - - ixgbe_get_hw_control(adapter); - ixgbe_setup_gpie(adapter); - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) - ixgbe_configure_msix(adapter); - else - ixgbe_configure_msi_and_legacy(adapter); - - /* enable the optics for both mult-speed fiber and 82599 SFP+ fiber */ - if (hw->mac.ops.enable_tx_laser && - ((hw->phy.multispeed_fiber) || - ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) && - (hw->mac.type == ixgbe_mac_82599EB)))) - hw->mac.ops.enable_tx_laser(hw); - - clear_bit(__IXGBE_DOWN, &adapter->state); - ixgbe_napi_enable_all(adapter); - - if (ixgbe_is_sfp(hw)) { - ixgbe_sfp_link_config(adapter); - } else { - err = ixgbe_non_sfp_link_config(hw); - if (err) - e_err(probe, "link_config FAILED %d\n", err); - } - - /* clear any pending interrupts, may auto mask */ - IXGBE_READ_REG(hw, IXGBE_EICR); - ixgbe_irq_enable(adapter, true, true); - - /* - * If this adapter has a fan, check to see if we had a failure - * before we enabled the interrupt. - */ - if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) { - u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); - if (esdp & IXGBE_ESDP_SDP1) - e_crit(drv, "Fan has stopped, replace the adapter\n"); - } - - /* - * For hot-pluggable SFP+ devices, a new SFP+ module may have - * arrived before interrupts were enabled but after probe. Such - * devices wouldn't have their type identified yet. We need to - * kick off the SFP+ module setup first, then try to bring up link. - * If we're not hot-pluggable SFP+, we just need to configure link - * and bring it up. - */ - if (hw->phy.type == ixgbe_phy_unknown) - schedule_work(&adapter->sfp_config_module_task); - - /* enable transmits */ - netif_tx_start_all_queues(adapter->netdev); - - /* bring the link up in the watchdog, this could race with our first - * link up interrupt but shouldn't be a problem */ - adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE; - adapter->link_check_timeout = jiffies; - mod_timer(&adapter->watchdog_timer, jiffies); - - /* Set PF Reset Done bit so PF/VF Mail Ops can work */ - ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); - ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; - IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); - - return 0; -} - -void ixgbe_reinit_locked(struct ixgbe_adapter *adapter) -{ - WARN_ON(in_interrupt()); - while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) - msleep(1); - ixgbe_down(adapter); - /* - * If SR-IOV enabled then wait a bit before bringing the adapter - * back up to give the VFs time to respond to the reset. The - * two second wait is based upon the watchdog timer cycle in - * the VF driver. - */ - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - msleep(2000); - ixgbe_up(adapter); - clear_bit(__IXGBE_RESETTING, &adapter->state); -} - -int ixgbe_up(struct ixgbe_adapter *adapter) -{ - /* hardware has been reset, we need to reload some things */ - ixgbe_configure(adapter); - - return ixgbe_up_complete(adapter); -} - -void ixgbe_reset(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - int err; - - err = hw->mac.ops.init_hw(hw); - switch (err) { - case 0: - case IXGBE_ERR_SFP_NOT_PRESENT: - break; - case IXGBE_ERR_MASTER_REQUESTS_PENDING: - e_dev_err("master disable timed out\n"); - break; - case IXGBE_ERR_EEPROM_VERSION: - /* We are running on a pre-production device, log a warning */ - e_dev_warn("This device is a pre-production adapter/LOM. " - "Please be aware there may be issuesassociated with " - "your hardware. If you are experiencing problems " - "please contact your Intel or hardware " - "representative who provided you with this " - "hardware.\n"); - break; - default: - e_dev_err("Hardware Error: %d\n", err); - } - - /* reprogram the RAR[0] in case user changed it. */ - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, adapter->num_vfs, - IXGBE_RAH_AV); -} - -/** - * ixgbe_clean_rx_ring - Free Rx Buffers per Queue - * @rx_ring: ring to free buffers from - **/ -static void ixgbe_clean_rx_ring(struct ixgbe_ring *rx_ring) -{ - struct device *dev = rx_ring->dev; - unsigned long size; - u16 i; - - /* ring already cleared, nothing to do */ - if (!rx_ring->rx_buffer_info) - return; - - /* Free all the Rx ring sk_buffs */ - for (i = 0; i < rx_ring->count; i++) { - struct ixgbe_rx_buffer *rx_buffer_info; - - rx_buffer_info = &rx_ring->rx_buffer_info[i]; - if (rx_buffer_info->dma) { - dma_unmap_single(rx_ring->dev, rx_buffer_info->dma, - rx_ring->rx_buf_len, - DMA_FROM_DEVICE); - rx_buffer_info->dma = 0; - } - if (rx_buffer_info->skb) { - struct sk_buff *skb = rx_buffer_info->skb; - rx_buffer_info->skb = NULL; - do { - struct sk_buff *this = skb; - if (IXGBE_RSC_CB(this)->delay_unmap) { - dma_unmap_single(dev, - IXGBE_RSC_CB(this)->dma, - rx_ring->rx_buf_len, - DMA_FROM_DEVICE); - IXGBE_RSC_CB(this)->dma = 0; - IXGBE_RSC_CB(skb)->delay_unmap = false; - } - skb = skb->prev; - dev_kfree_skb(this); - } while (skb); - } - if (!rx_buffer_info->page) - continue; - if (rx_buffer_info->page_dma) { - dma_unmap_page(dev, rx_buffer_info->page_dma, - PAGE_SIZE / 2, DMA_FROM_DEVICE); - rx_buffer_info->page_dma = 0; - } - put_page(rx_buffer_info->page); - rx_buffer_info->page = NULL; - rx_buffer_info->page_offset = 0; - } - - size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count; - memset(rx_ring->rx_buffer_info, 0, size); - - /* Zero out the descriptor ring */ - memset(rx_ring->desc, 0, rx_ring->size); - - rx_ring->next_to_clean = 0; - rx_ring->next_to_use = 0; -} - -/** - * ixgbe_clean_tx_ring - Free Tx Buffers - * @tx_ring: ring to be cleaned - **/ -static void ixgbe_clean_tx_ring(struct ixgbe_ring *tx_ring) -{ - struct ixgbe_tx_buffer *tx_buffer_info; - unsigned long size; - u16 i; - - /* ring already cleared, nothing to do */ - if (!tx_ring->tx_buffer_info) - return; - - /* Free all the Tx ring sk_buffs */ - for (i = 0; i < tx_ring->count; i++) { - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info); - } - - size = sizeof(struct ixgbe_tx_buffer) * tx_ring->count; - memset(tx_ring->tx_buffer_info, 0, size); - - /* Zero out the descriptor ring */ - memset(tx_ring->desc, 0, tx_ring->size); - - tx_ring->next_to_use = 0; - tx_ring->next_to_clean = 0; -} - -/** - * ixgbe_clean_all_rx_rings - Free Rx Buffers for all queues - * @adapter: board private structure - **/ -static void ixgbe_clean_all_rx_rings(struct ixgbe_adapter *adapter) -{ - int i; - - for (i = 0; i < adapter->num_rx_queues; i++) - ixgbe_clean_rx_ring(adapter->rx_ring[i]); -} - -/** - * ixgbe_clean_all_tx_rings - Free Tx Buffers for all queues - * @adapter: board private structure - **/ -static void ixgbe_clean_all_tx_rings(struct ixgbe_adapter *adapter) -{ - int i; - - for (i = 0; i < adapter->num_tx_queues; i++) - ixgbe_clean_tx_ring(adapter->tx_ring[i]); -} - -void ixgbe_down(struct ixgbe_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct ixgbe_hw *hw = &adapter->hw; - u32 rxctrl; - u32 txdctl; - int i; - int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - - /* signal that we are down to the interrupt handler */ - set_bit(__IXGBE_DOWN, &adapter->state); - - /* disable receive for all VFs and wait one second */ - if (adapter->num_vfs) { - /* ping all the active vfs to let them know we are going down */ - ixgbe_ping_all_vfs(adapter); - - /* Disable all VFTE/VFRE TX/RX */ - ixgbe_disable_tx_rx(adapter); - - /* Mark all the VFs as inactive */ - for (i = 0 ; i < adapter->num_vfs; i++) - adapter->vfinfo[i].clear_to_send = 0; - } - - /* disable receives */ - rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); - IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl & ~IXGBE_RXCTRL_RXEN); - - IXGBE_WRITE_FLUSH(hw); - msleep(10); - - netif_tx_stop_all_queues(netdev); - - clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state); - del_timer_sync(&adapter->sfp_timer); - del_timer_sync(&adapter->watchdog_timer); - cancel_work_sync(&adapter->watchdog_task); - - netif_carrier_off(netdev); - netif_tx_disable(netdev); - - ixgbe_irq_disable(adapter); - - ixgbe_napi_disable_all(adapter); - - /* Cleanup the affinity_hint CPU mask memory and callback */ - for (i = 0; i < num_q_vectors; i++) { - struct ixgbe_q_vector *q_vector = adapter->q_vector[i]; - /* clear the affinity_mask in the IRQ descriptor */ - irq_set_affinity_hint(adapter->msix_entries[i]. vector, NULL); - /* release the CPU mask memory */ - free_cpumask_var(q_vector->affinity_mask); - } - - if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || - adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) - cancel_work_sync(&adapter->fdir_reinit_task); - - if (adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) - cancel_work_sync(&adapter->check_overtemp_task); - - /* disable transmits in the hardware now that interrupts are off */ - for (i = 0; i < adapter->num_tx_queues; i++) { - u8 reg_idx = adapter->tx_ring[i]->reg_idx; - txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(reg_idx)); - IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(reg_idx), - (txdctl & ~IXGBE_TXDCTL_ENABLE)); - } - /* Disable the Tx DMA engine on 82599 */ - switch (hw->mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, - (IXGBE_READ_REG(hw, IXGBE_DMATXCTL) & - ~IXGBE_DMATXCTL_TE)); - break; - default: - break; - } - - /* clear n-tuple filters that are cached */ - ethtool_ntuple_flush(netdev); - - if (!pci_channel_offline(adapter->pdev)) - ixgbe_reset(adapter); - - /* power down the optics for multispeed fiber and 82599 SFP+ fiber */ - if (hw->mac.ops.disable_tx_laser && - ((hw->phy.multispeed_fiber) || - ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) && - (hw->mac.type == ixgbe_mac_82599EB)))) - hw->mac.ops.disable_tx_laser(hw); - - ixgbe_clean_all_tx_rings(adapter); - ixgbe_clean_all_rx_rings(adapter); - -#ifdef CONFIG_IXGBE_DCA - /* since we reset the hardware DCA settings were cleared */ - ixgbe_setup_dca(adapter); -#endif -} - -/** - * ixgbe_poll - NAPI Rx polling callback - * @napi: structure for representing this polling device - * @budget: how many packets driver is allowed to clean - * - * This function is used for legacy and MSI, NAPI mode - **/ -static int ixgbe_poll(struct napi_struct *napi, int budget) -{ - struct ixgbe_q_vector *q_vector = - container_of(napi, struct ixgbe_q_vector, napi); - struct ixgbe_adapter *adapter = q_vector->adapter; - int tx_clean_complete, work_done = 0; - -#ifdef CONFIG_IXGBE_DCA - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) - ixgbe_update_dca(q_vector); -#endif - - tx_clean_complete = ixgbe_clean_tx_irq(q_vector, adapter->tx_ring[0]); - ixgbe_clean_rx_irq(q_vector, adapter->rx_ring[0], &work_done, budget); - - if (!tx_clean_complete) - work_done = budget; - - /* If budget not fully consumed, exit the polling mode */ - if (work_done < budget) { - napi_complete(napi); - if (adapter->rx_itr_setting & 1) - ixgbe_set_itr(adapter); - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_enable_queues(adapter, IXGBE_EIMS_RTX_QUEUE); - } - return work_done; -} - -/** - * ixgbe_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - **/ -static void ixgbe_tx_timeout(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - adapter->tx_timeout_count++; - - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->reset_task); -} - -static void ixgbe_reset_task(struct work_struct *work) -{ - struct ixgbe_adapter *adapter; - adapter = container_of(work, struct ixgbe_adapter, reset_task); - - /* If we're already down or resetting, just bail */ - if (test_bit(__IXGBE_DOWN, &adapter->state) || - test_bit(__IXGBE_RESETTING, &adapter->state)) - return; - - ixgbe_dump(adapter); - netdev_err(adapter->netdev, "Reset adapter\n"); - ixgbe_reinit_locked(adapter); -} - -#ifdef CONFIG_IXGBE_DCB -static inline bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter) -{ - bool ret = false; - struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_DCB]; - - if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) - return ret; - - f->mask = 0x7 << 3; - adapter->num_rx_queues = f->indices; - adapter->num_tx_queues = f->indices; - ret = true; - - return ret; -} -#endif - -/** - * ixgbe_set_rss_queues: Allocate queues for RSS - * @adapter: board private structure to initialize - * - * This is our "base" multiqueue mode. RSS (Receive Side Scaling) will try - * to allocate one Rx queue per CPU, and if available, one Tx queue per CPU. - * - **/ -static inline bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter) -{ - bool ret = false; - struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_RSS]; - - if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { - f->mask = 0xF; - adapter->num_rx_queues = f->indices; - adapter->num_tx_queues = f->indices; - ret = true; - } else { - ret = false; - } - - return ret; -} - -/** - * ixgbe_set_fdir_queues: Allocate queues for Flow Director - * @adapter: board private structure to initialize - * - * Flow Director is an advanced Rx filter, attempting to get Rx flows back - * to the original CPU that initiated the Tx session. This runs in addition - * to RSS, so if a packet doesn't match an FDIR filter, we can still spread the - * Rx load across CPUs using RSS. - * - **/ -static inline bool ixgbe_set_fdir_queues(struct ixgbe_adapter *adapter) -{ - bool ret = false; - struct ixgbe_ring_feature *f_fdir = &adapter->ring_feature[RING_F_FDIR]; - - f_fdir->indices = min((int)num_online_cpus(), f_fdir->indices); - f_fdir->mask = 0; - - /* Flow Director must have RSS enabled */ - if (adapter->flags & IXGBE_FLAG_RSS_ENABLED && - ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || - (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)))) { - adapter->num_tx_queues = f_fdir->indices; - adapter->num_rx_queues = f_fdir->indices; - ret = true; - } else { - adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; - adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; - } - return ret; -} - -#ifdef IXGBE_FCOE -/** - * ixgbe_set_fcoe_queues: Allocate queues for Fiber Channel over Ethernet (FCoE) - * @adapter: board private structure to initialize - * - * FCoE RX FCRETA can use up to 8 rx queues for up to 8 different exchanges. - * The ring feature mask is not used as a mask for FCoE, as it can take any 8 - * rx queues out of the max number of rx queues, instead, it is used as the - * index of the first rx queue used by FCoE. - * - **/ -static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter) -{ - bool ret = false; - struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE]; - - f->indices = min((int)num_online_cpus(), f->indices); - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { - adapter->num_rx_queues = 1; - adapter->num_tx_queues = 1; -#ifdef CONFIG_IXGBE_DCB - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - e_info(probe, "FCoE enabled with DCB\n"); - ixgbe_set_dcb_queues(adapter); - } -#endif - if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { - e_info(probe, "FCoE enabled with RSS\n"); - if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || - (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) - ixgbe_set_fdir_queues(adapter); - else - ixgbe_set_rss_queues(adapter); - } - /* adding FCoE rx rings to the end */ - f->mask = adapter->num_rx_queues; - adapter->num_rx_queues += f->indices; - adapter->num_tx_queues += f->indices; - - ret = true; - } - - return ret; -} - -#endif /* IXGBE_FCOE */ -/** - * ixgbe_set_sriov_queues: Allocate queues for IOV use - * @adapter: board private structure to initialize - * - * IOV doesn't actually use anything, so just NAK the - * request for now and let the other queue routines - * figure out what to do. - */ -static inline bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter) -{ - return false; -} - -/* - * ixgbe_set_num_queues: Allocate queues for device, feature dependant - * @adapter: board private structure to initialize - * - * This is the top level queue allocation routine. The order here is very - * important, starting with the "most" number of features turned on at once, - * and ending with the smallest set of features. This way large combinations - * can be allocated if they're turned on, and smaller combinations are the - * fallthrough conditions. - * - **/ -static int ixgbe_set_num_queues(struct ixgbe_adapter *adapter) -{ - /* Start with base case */ - adapter->num_rx_queues = 1; - adapter->num_tx_queues = 1; - adapter->num_rx_pools = adapter->num_rx_queues; - adapter->num_rx_queues_per_pool = 1; - - if (ixgbe_set_sriov_queues(adapter)) - goto done; - -#ifdef IXGBE_FCOE - if (ixgbe_set_fcoe_queues(adapter)) - goto done; - -#endif /* IXGBE_FCOE */ -#ifdef CONFIG_IXGBE_DCB - if (ixgbe_set_dcb_queues(adapter)) - goto done; - -#endif - if (ixgbe_set_fdir_queues(adapter)) - goto done; - - if (ixgbe_set_rss_queues(adapter)) - goto done; - - /* fallback to base case */ - adapter->num_rx_queues = 1; - adapter->num_tx_queues = 1; - -done: - /* Notify the stack of the (possibly) reduced queue counts. */ - netif_set_real_num_tx_queues(adapter->netdev, adapter->num_tx_queues); - return netif_set_real_num_rx_queues(adapter->netdev, - adapter->num_rx_queues); -} - -static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter, - int vectors) -{ - int err, vector_threshold; - - /* We'll want at least 3 (vector_threshold): - * 1) TxQ[0] Cleanup - * 2) RxQ[0] Cleanup - * 3) Other (Link Status Change, etc.) - * 4) TCP Timer (optional) - */ - vector_threshold = MIN_MSIX_COUNT; - - /* The more we get, the more we will assign to Tx/Rx Cleanup - * for the separate queues...where Rx Cleanup >= Tx Cleanup. - * Right now, we simply care about how many we'll get; we'll - * set them up later while requesting irq's. - */ - while (vectors >= vector_threshold) { - err = pci_enable_msix(adapter->pdev, adapter->msix_entries, - vectors); - if (!err) /* Success in acquiring all requested vectors. */ - break; - else if (err < 0) - vectors = 0; /* Nasty failure, quit now */ - else /* err == number of vectors we should try again with */ - vectors = err; - } - - if (vectors < vector_threshold) { - /* Can't allocate enough MSI-X interrupts? Oh well. - * This just means we'll go with either a single MSI - * vector or fall back to legacy interrupts. - */ - netif_printk(adapter, hw, KERN_DEBUG, adapter->netdev, - "Unable to allocate MSI-X interrupts\n"); - adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED; - kfree(adapter->msix_entries); - adapter->msix_entries = NULL; - } else { - adapter->flags |= IXGBE_FLAG_MSIX_ENABLED; /* Woot! */ - /* - * Adjust for only the vectors we'll use, which is minimum - * of max_msix_q_vectors + NON_Q_VECTORS, or the number of - * vectors we were allocated. - */ - adapter->num_msix_vectors = min(vectors, - adapter->max_msix_q_vectors + NON_Q_VECTORS); - } -} - -/** - * ixgbe_cache_ring_rss - Descriptor ring to register mapping for RSS - * @adapter: board private structure to initialize - * - * Cache the descriptor ring offsets for RSS to the assigned rings. - * - **/ -static inline bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter) -{ - int i; - - if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED)) - return false; - - for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i]->reg_idx = i; - for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i]->reg_idx = i; - - return true; -} - -#ifdef CONFIG_IXGBE_DCB -/** - * ixgbe_cache_ring_dcb - Descriptor ring to register mapping for DCB - * @adapter: board private structure to initialize - * - * Cache the descriptor ring offsets for DCB to the assigned rings. - * - **/ -static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter) -{ - int i; - bool ret = false; - int dcb_i = adapter->ring_feature[RING_F_DCB].indices; - - if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) - return false; - - /* the number of queues is assumed to be symmetric */ - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - for (i = 0; i < dcb_i; i++) { - adapter->rx_ring[i]->reg_idx = i << 3; - adapter->tx_ring[i]->reg_idx = i << 2; - } - ret = true; - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - if (dcb_i == 8) { - /* - * Tx TC0 starts at: descriptor queue 0 - * Tx TC1 starts at: descriptor queue 32 - * Tx TC2 starts at: descriptor queue 64 - * Tx TC3 starts at: descriptor queue 80 - * Tx TC4 starts at: descriptor queue 96 - * Tx TC5 starts at: descriptor queue 104 - * Tx TC6 starts at: descriptor queue 112 - * Tx TC7 starts at: descriptor queue 120 - * - * Rx TC0-TC7 are offset by 16 queues each - */ - for (i = 0; i < 3; i++) { - adapter->tx_ring[i]->reg_idx = i << 5; - adapter->rx_ring[i]->reg_idx = i << 4; - } - for ( ; i < 5; i++) { - adapter->tx_ring[i]->reg_idx = ((i + 2) << 4); - adapter->rx_ring[i]->reg_idx = i << 4; - } - for ( ; i < dcb_i; i++) { - adapter->tx_ring[i]->reg_idx = ((i + 8) << 3); - adapter->rx_ring[i]->reg_idx = i << 4; - } - ret = true; - } else if (dcb_i == 4) { - /* - * Tx TC0 starts at: descriptor queue 0 - * Tx TC1 starts at: descriptor queue 64 - * Tx TC2 starts at: descriptor queue 96 - * Tx TC3 starts at: descriptor queue 112 - * - * Rx TC0-TC3 are offset by 32 queues each - */ - adapter->tx_ring[0]->reg_idx = 0; - adapter->tx_ring[1]->reg_idx = 64; - adapter->tx_ring[2]->reg_idx = 96; - adapter->tx_ring[3]->reg_idx = 112; - for (i = 0 ; i < dcb_i; i++) - adapter->rx_ring[i]->reg_idx = i << 5; - ret = true; - } - break; - default: - break; - } - return ret; -} -#endif - -/** - * ixgbe_cache_ring_fdir - Descriptor ring to register mapping for Flow Director - * @adapter: board private structure to initialize - * - * Cache the descriptor ring offsets for Flow Director to the assigned rings. - * - **/ -static inline bool ixgbe_cache_ring_fdir(struct ixgbe_adapter *adapter) -{ - int i; - bool ret = false; - - if (adapter->flags & IXGBE_FLAG_RSS_ENABLED && - ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || - (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))) { - for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i]->reg_idx = i; - for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i]->reg_idx = i; - ret = true; - } - - return ret; -} - -#ifdef IXGBE_FCOE -/** - * ixgbe_cache_ring_fcoe - Descriptor ring to register mapping for the FCoE - * @adapter: board private structure to initialize - * - * Cache the descriptor ring offsets for FCoE mode to the assigned rings. - * - */ -static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter) -{ - struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE]; - int i; - u8 fcoe_rx_i = 0, fcoe_tx_i = 0; - - if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) - return false; - -#ifdef CONFIG_IXGBE_DCB - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - struct ixgbe_fcoe *fcoe = &adapter->fcoe; - - ixgbe_cache_ring_dcb(adapter); - /* find out queues in TC for FCoE */ - fcoe_rx_i = adapter->rx_ring[fcoe->tc]->reg_idx + 1; - fcoe_tx_i = adapter->tx_ring[fcoe->tc]->reg_idx + 1; - /* - * In 82599, the number of Tx queues for each traffic - * class for both 8-TC and 4-TC modes are: - * TCs : TC0 TC1 TC2 TC3 TC4 TC5 TC6 TC7 - * 8 TCs: 32 32 16 16 8 8 8 8 - * 4 TCs: 64 64 32 32 - * We have max 8 queues for FCoE, where 8 the is - * FCoE redirection table size. If TC for FCoE is - * less than or equal to TC3, we have enough queues - * to add max of 8 queues for FCoE, so we start FCoE - * Tx queue from the next one, i.e., reg_idx + 1. - * If TC for FCoE is above TC3, implying 8 TC mode, - * and we need 8 for FCoE, we have to take all queues - * in that traffic class for FCoE. - */ - if ((f->indices == IXGBE_FCRETA_SIZE) && (fcoe->tc > 3)) - fcoe_tx_i--; - } -#endif /* CONFIG_IXGBE_DCB */ - if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { - if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || - (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) - ixgbe_cache_ring_fdir(adapter); - else - ixgbe_cache_ring_rss(adapter); - - fcoe_rx_i = f->mask; - fcoe_tx_i = f->mask; - } - for (i = 0; i < f->indices; i++, fcoe_rx_i++, fcoe_tx_i++) { - adapter->rx_ring[f->mask + i]->reg_idx = fcoe_rx_i; - adapter->tx_ring[f->mask + i]->reg_idx = fcoe_tx_i; - } - return true; -} - -#endif /* IXGBE_FCOE */ -/** - * ixgbe_cache_ring_sriov - Descriptor ring to register mapping for sriov - * @adapter: board private structure to initialize - * - * SR-IOV doesn't use any descriptor rings but changes the default if - * no other mapping is used. - * - */ -static inline bool ixgbe_cache_ring_sriov(struct ixgbe_adapter *adapter) -{ - adapter->rx_ring[0]->reg_idx = adapter->num_vfs * 2; - adapter->tx_ring[0]->reg_idx = adapter->num_vfs * 2; - if (adapter->num_vfs) - return true; - else - return false; -} - -/** - * ixgbe_cache_ring_register - Descriptor ring to register mapping - * @adapter: board private structure to initialize - * - * Once we know the feature-set enabled for the device, we'll cache - * the register offset the descriptor ring is assigned to. - * - * Note, the order the various feature calls is important. It must start with - * the "most" features enabled at the same time, then trickle down to the - * least amount of features turned on at once. - **/ -static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) -{ - /* start with default case */ - adapter->rx_ring[0]->reg_idx = 0; - adapter->tx_ring[0]->reg_idx = 0; - - if (ixgbe_cache_ring_sriov(adapter)) - return; - -#ifdef IXGBE_FCOE - if (ixgbe_cache_ring_fcoe(adapter)) - return; - -#endif /* IXGBE_FCOE */ -#ifdef CONFIG_IXGBE_DCB - if (ixgbe_cache_ring_dcb(adapter)) - return; - -#endif - if (ixgbe_cache_ring_fdir(adapter)) - return; - - if (ixgbe_cache_ring_rss(adapter)) - return; -} - -/** - * ixgbe_alloc_queues - Allocate memory for all rings - * @adapter: board private structure to initialize - * - * We allocate one ring per queue at run-time since we don't know the - * number of queues at compile-time. The polling_netdev array is - * intended for Multiqueue, but should work fine with a single queue. - **/ -static int ixgbe_alloc_queues(struct ixgbe_adapter *adapter) -{ - int rx = 0, tx = 0, nid = adapter->node; - - if (nid < 0 || !node_online(nid)) - nid = first_online_node; - - for (; tx < adapter->num_tx_queues; tx++) { - struct ixgbe_ring *ring; - - ring = kzalloc_node(sizeof(*ring), GFP_KERNEL, nid); - if (!ring) - ring = kzalloc(sizeof(*ring), GFP_KERNEL); - if (!ring) - goto err_allocation; - ring->count = adapter->tx_ring_count; - ring->queue_index = tx; - ring->numa_node = nid; - ring->dev = &adapter->pdev->dev; - ring->netdev = adapter->netdev; - - adapter->tx_ring[tx] = ring; - } - - for (; rx < adapter->num_rx_queues; rx++) { - struct ixgbe_ring *ring; - - ring = kzalloc_node(sizeof(*ring), GFP_KERNEL, nid); - if (!ring) - ring = kzalloc(sizeof(*ring), GFP_KERNEL); - if (!ring) - goto err_allocation; - ring->count = adapter->rx_ring_count; - ring->queue_index = rx; - ring->numa_node = nid; - ring->dev = &adapter->pdev->dev; - ring->netdev = adapter->netdev; - - adapter->rx_ring[rx] = ring; - } - - ixgbe_cache_ring_register(adapter); - - return 0; - -err_allocation: - while (tx) - kfree(adapter->tx_ring[--tx]); - - while (rx) - kfree(adapter->rx_ring[--rx]); - return -ENOMEM; -} - -/** - * ixgbe_set_interrupt_capability - set MSI-X or MSI if supported - * @adapter: board private structure to initialize - * - * Attempt to configure the interrupts using the best available - * capabilities of the hardware and the kernel. - **/ -static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - int err = 0; - int vector, v_budget; - - /* - * It's easy to be greedy for MSI-X vectors, but it really - * doesn't do us much good if we have a lot more vectors - * than CPU's. So let's be conservative and only ask for - * (roughly) the same number of vectors as there are CPU's. - */ - v_budget = min(adapter->num_rx_queues + adapter->num_tx_queues, - (int)num_online_cpus()) + NON_Q_VECTORS; - - /* - * At the same time, hardware can only support a maximum of - * hw.mac->max_msix_vectors vectors. With features - * such as RSS and VMDq, we can easily surpass the number of Rx and Tx - * descriptor queues supported by our device. Thus, we cap it off in - * those rare cases where the cpu count also exceeds our vector limit. - */ - v_budget = min(v_budget, (int)hw->mac.max_msix_vectors); - - /* A failure in MSI-X entry allocation isn't fatal, but it does - * mean we disable MSI-X capabilities of the adapter. */ - adapter->msix_entries = kcalloc(v_budget, - sizeof(struct msix_entry), GFP_KERNEL); - if (adapter->msix_entries) { - for (vector = 0; vector < v_budget; vector++) - adapter->msix_entries[vector].entry = vector; - - ixgbe_acquire_msix_vectors(adapter, v_budget); - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) - goto out; - } - - adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; - adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; - adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; - adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; - adapter->atr_sample_rate = 0; - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - ixgbe_disable_sriov(adapter); - - err = ixgbe_set_num_queues(adapter); - if (err) - return err; - - err = pci_enable_msi(adapter->pdev); - if (!err) { - adapter->flags |= IXGBE_FLAG_MSI_ENABLED; - } else { - netif_printk(adapter, hw, KERN_DEBUG, adapter->netdev, - "Unable to allocate MSI interrupt, " - "falling back to legacy. Error: %d\n", err); - /* reset err */ - err = 0; - } - -out: - return err; -} - -/** - * ixgbe_alloc_q_vectors - Allocate memory for interrupt vectors - * @adapter: board private structure to initialize - * - * We allocate one q_vector per queue interrupt. If allocation fails we - * return -ENOMEM. - **/ -static int ixgbe_alloc_q_vectors(struct ixgbe_adapter *adapter) -{ - int q_idx, num_q_vectors; - struct ixgbe_q_vector *q_vector; - int napi_vectors; - int (*poll)(struct napi_struct *, int); - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - napi_vectors = adapter->num_rx_queues; - poll = &ixgbe_clean_rxtx_many; - } else { - num_q_vectors = 1; - napi_vectors = 1; - poll = &ixgbe_poll; - } - - for (q_idx = 0; q_idx < num_q_vectors; q_idx++) { - q_vector = kzalloc_node(sizeof(struct ixgbe_q_vector), - GFP_KERNEL, adapter->node); - if (!q_vector) - q_vector = kzalloc(sizeof(struct ixgbe_q_vector), - GFP_KERNEL); - if (!q_vector) - goto err_out; - q_vector->adapter = adapter; - if (q_vector->txr_count && !q_vector->rxr_count) - q_vector->eitr = adapter->tx_eitr_param; - else - q_vector->eitr = adapter->rx_eitr_param; - q_vector->v_idx = q_idx; - netif_napi_add(adapter->netdev, &q_vector->napi, (*poll), 64); - adapter->q_vector[q_idx] = q_vector; - } - - return 0; - -err_out: - while (q_idx) { - q_idx--; - q_vector = adapter->q_vector[q_idx]; - netif_napi_del(&q_vector->napi); - kfree(q_vector); - adapter->q_vector[q_idx] = NULL; - } - return -ENOMEM; -} - -/** - * ixgbe_free_q_vectors - Free memory allocated for interrupt vectors - * @adapter: board private structure to initialize - * - * This function frees the memory allocated to the q_vectors. In addition if - * NAPI is enabled it will delete any references to the NAPI struct prior - * to freeing the q_vector. - **/ -static void ixgbe_free_q_vectors(struct ixgbe_adapter *adapter) -{ - int q_idx, num_q_vectors; - - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) - num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - else - num_q_vectors = 1; - - for (q_idx = 0; q_idx < num_q_vectors; q_idx++) { - struct ixgbe_q_vector *q_vector = adapter->q_vector[q_idx]; - adapter->q_vector[q_idx] = NULL; - netif_napi_del(&q_vector->napi); - kfree(q_vector); - } -} - -static void ixgbe_reset_interrupt_capability(struct ixgbe_adapter *adapter) -{ - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED; - pci_disable_msix(adapter->pdev); - kfree(adapter->msix_entries); - adapter->msix_entries = NULL; - } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) { - adapter->flags &= ~IXGBE_FLAG_MSI_ENABLED; - pci_disable_msi(adapter->pdev); - } -} - -/** - * ixgbe_init_interrupt_scheme - Determine proper interrupt scheme - * @adapter: board private structure to initialize - * - * We determine which interrupt scheme to use based on... - * - Kernel support (MSI, MSI-X) - * - which can be user-defined (via MODULE_PARAM) - * - Hardware queue count (num_*_queues) - * - defined by miscellaneous hardware support/features (RSS, etc.) - **/ -int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter) -{ - int err; - - /* Number of supported queues */ - err = ixgbe_set_num_queues(adapter); - if (err) - return err; - - err = ixgbe_set_interrupt_capability(adapter); - if (err) { - e_dev_err("Unable to setup interrupt capabilities\n"); - goto err_set_interrupt; - } - - err = ixgbe_alloc_q_vectors(adapter); - if (err) { - e_dev_err("Unable to allocate memory for queue vectors\n"); - goto err_alloc_q_vectors; - } - - err = ixgbe_alloc_queues(adapter); - if (err) { - e_dev_err("Unable to allocate memory for queues\n"); - goto err_alloc_queues; - } - - e_dev_info("Multiqueue %s: Rx Queue count = %u, Tx Queue count = %u\n", - (adapter->num_rx_queues > 1) ? "Enabled" : "Disabled", - adapter->num_rx_queues, adapter->num_tx_queues); - - set_bit(__IXGBE_DOWN, &adapter->state); - - return 0; - -err_alloc_queues: - ixgbe_free_q_vectors(adapter); -err_alloc_q_vectors: - ixgbe_reset_interrupt_capability(adapter); -err_set_interrupt: - return err; -} - -static void ring_free_rcu(struct rcu_head *head) -{ - kfree(container_of(head, struct ixgbe_ring, rcu)); -} - -/** - * ixgbe_clear_interrupt_scheme - Clear the current interrupt scheme settings - * @adapter: board private structure to clear interrupt scheme on - * - * We go through and clear interrupt specific resources and reset the structure - * to pre-load conditions - **/ -void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter) -{ - int i; - - for (i = 0; i < adapter->num_tx_queues; i++) { - kfree(adapter->tx_ring[i]); - adapter->tx_ring[i] = NULL; - } - for (i = 0; i < adapter->num_rx_queues; i++) { - struct ixgbe_ring *ring = adapter->rx_ring[i]; - - /* ixgbe_get_stats64() might access this ring, we must wait - * a grace period before freeing it. - */ - call_rcu(&ring->rcu, ring_free_rcu); - adapter->rx_ring[i] = NULL; - } - - ixgbe_free_q_vectors(adapter); - ixgbe_reset_interrupt_capability(adapter); -} - -/** - * ixgbe_sfp_timer - worker thread to find a missing module - * @data: pointer to our adapter struct - **/ -static void ixgbe_sfp_timer(unsigned long data) -{ - struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data; - - /* - * Do the sfp_timer outside of interrupt context due to the - * delays that sfp+ detection requires - */ - schedule_work(&adapter->sfp_task); -} - -/** - * ixgbe_sfp_task - worker thread to find a missing module - * @work: pointer to work_struct containing our data - **/ -static void ixgbe_sfp_task(struct work_struct *work) -{ - struct ixgbe_adapter *adapter = container_of(work, - struct ixgbe_adapter, - sfp_task); - struct ixgbe_hw *hw = &adapter->hw; - - if ((hw->phy.type == ixgbe_phy_nl) && - (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { - s32 ret = hw->phy.ops.identify_sfp(hw); - if (ret == IXGBE_ERR_SFP_NOT_PRESENT) - goto reschedule; - ret = hw->phy.ops.reset(hw); - if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { - e_dev_err("failed to initialize because an unsupported " - "SFP+ module type was detected.\n"); - e_dev_err("Reload the driver after installing a " - "supported module.\n"); - unregister_netdev(adapter->netdev); - } else { - e_info(probe, "detected SFP+: %d\n", hw->phy.sfp_type); - } - /* don't need this routine any more */ - clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state); - } - return; -reschedule: - if (test_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state)) - mod_timer(&adapter->sfp_timer, - round_jiffies(jiffies + (2 * HZ))); -} - -/** - * ixgbe_sw_init - Initialize general software structures (struct ixgbe_adapter) - * @adapter: board private structure to initialize - * - * ixgbe_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - **/ -static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - struct pci_dev *pdev = adapter->pdev; - struct net_device *dev = adapter->netdev; - unsigned int rss; -#ifdef CONFIG_IXGBE_DCB - int j; - struct tc_configuration *tc; -#endif - int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; - - /* PCI config space info */ - - hw->vendor_id = pdev->vendor; - hw->device_id = pdev->device; - hw->revision_id = pdev->revision; - hw->subsystem_vendor_id = pdev->subsystem_vendor; - hw->subsystem_device_id = pdev->subsystem_device; - - /* Set capability flags */ - rss = min(IXGBE_MAX_RSS_INDICES, (int)num_online_cpus()); - adapter->ring_feature[RING_F_RSS].indices = rss; - adapter->flags |= IXGBE_FLAG_RSS_ENABLED; - adapter->ring_feature[RING_F_DCB].indices = IXGBE_MAX_DCB_INDICES; - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - if (hw->device_id == IXGBE_DEV_ID_82598AT) - adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE; - adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598; - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599; - adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE; - adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED; - if (hw->device_id == IXGBE_DEV_ID_82599_T3_LOM) - adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE; - if (dev->features & NETIF_F_NTUPLE) { - /* Flow Director perfect filter enabled */ - adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE; - adapter->atr_sample_rate = 0; - spin_lock_init(&adapter->fdir_perfect_lock); - } else { - /* Flow Director hash filters enabled */ - adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; - adapter->atr_sample_rate = 20; - } - adapter->ring_feature[RING_F_FDIR].indices = - IXGBE_MAX_FDIR_INDICES; - adapter->fdir_pballoc = 0; -#ifdef IXGBE_FCOE - adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE; - adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; - adapter->ring_feature[RING_F_FCOE].indices = 0; -#ifdef CONFIG_IXGBE_DCB - /* Default traffic class to use for FCoE */ - adapter->fcoe.tc = IXGBE_FCOE_DEFTC; - adapter->fcoe.up = IXGBE_FCOE_DEFTC; -#endif -#endif /* IXGBE_FCOE */ - break; - default: - break; - } - -#ifdef CONFIG_IXGBE_DCB - /* Configure DCB traffic classes */ - for (j = 0; j < MAX_TRAFFIC_CLASS; j++) { - tc = &adapter->dcb_cfg.tc_config[j]; - tc->path[DCB_TX_CONFIG].bwg_id = 0; - tc->path[DCB_TX_CONFIG].bwg_percent = 12 + (j & 1); - tc->path[DCB_RX_CONFIG].bwg_id = 0; - tc->path[DCB_RX_CONFIG].bwg_percent = 12 + (j & 1); - tc->dcb_pfc = pfc_disabled; - } - adapter->dcb_cfg.bw_percentage[DCB_TX_CONFIG][0] = 100; - adapter->dcb_cfg.bw_percentage[DCB_RX_CONFIG][0] = 100; - adapter->dcb_cfg.rx_pba_cfg = pba_equal; - adapter->dcb_cfg.pfc_mode_enable = false; - adapter->dcb_cfg.round_robin_enable = false; - adapter->dcb_set_bitmap = 0x00; - ixgbe_copy_dcb_cfg(&adapter->dcb_cfg, &adapter->temp_dcb_cfg, - adapter->ring_feature[RING_F_DCB].indices); - -#endif - - /* default flow control settings */ - hw->fc.requested_mode = ixgbe_fc_full; - hw->fc.current_mode = ixgbe_fc_full; /* init for ethtool output */ -#ifdef CONFIG_DCB - adapter->last_lfc_mode = hw->fc.current_mode; -#endif - hw->fc.high_water = FC_HIGH_WATER(max_frame); - hw->fc.low_water = FC_LOW_WATER(max_frame); - hw->fc.pause_time = IXGBE_DEFAULT_FCPAUSE; - hw->fc.send_xon = true; - hw->fc.disable_fc_autoneg = false; - - /* enable itr by default in dynamic mode */ - adapter->rx_itr_setting = 1; - adapter->rx_eitr_param = 20000; - adapter->tx_itr_setting = 1; - adapter->tx_eitr_param = 10000; - - /* set defaults for eitr in MegaBytes */ - adapter->eitr_low = 10; - adapter->eitr_high = 20; - - /* set default ring sizes */ - adapter->tx_ring_count = IXGBE_DEFAULT_TXD; - adapter->rx_ring_count = IXGBE_DEFAULT_RXD; - - /* initialize eeprom parameters */ - if (ixgbe_init_eeprom_params_generic(hw)) { - e_dev_err("EEPROM initialization failed\n"); - return -EIO; - } - - /* enable rx csum by default */ - adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED; - - /* get assigned NUMA node */ - adapter->node = dev_to_node(&pdev->dev); - - set_bit(__IXGBE_DOWN, &adapter->state); - - return 0; -} - -/** - * ixgbe_setup_tx_resources - allocate Tx resources (Descriptors) - * @tx_ring: tx descriptor ring (for a specific queue) to setup - * - * Return 0 on success, negative on failure - **/ -int ixgbe_setup_tx_resources(struct ixgbe_ring *tx_ring) -{ - struct device *dev = tx_ring->dev; - int size; - - size = sizeof(struct ixgbe_tx_buffer) * tx_ring->count; - tx_ring->tx_buffer_info = vzalloc_node(size, tx_ring->numa_node); - if (!tx_ring->tx_buffer_info) - tx_ring->tx_buffer_info = vzalloc(size); - if (!tx_ring->tx_buffer_info) - goto err; - - /* round up to nearest 4K */ - tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc); - tx_ring->size = ALIGN(tx_ring->size, 4096); - - tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size, - &tx_ring->dma, GFP_KERNEL); - if (!tx_ring->desc) - goto err; - - tx_ring->next_to_use = 0; - tx_ring->next_to_clean = 0; - tx_ring->work_limit = tx_ring->count; - return 0; - -err: - vfree(tx_ring->tx_buffer_info); - tx_ring->tx_buffer_info = NULL; - dev_err(dev, "Unable to allocate memory for the Tx descriptor ring\n"); - return -ENOMEM; -} - -/** - * ixgbe_setup_all_tx_resources - allocate all queues Tx resources - * @adapter: board private structure - * - * If this function returns with an error, then it's possible one or - * more of the rings is populated (while the rest are not). It is the - * callers duty to clean those orphaned rings. - * - * Return 0 on success, negative on failure - **/ -static int ixgbe_setup_all_tx_resources(struct ixgbe_adapter *adapter) -{ - int i, err = 0; - - for (i = 0; i < adapter->num_tx_queues; i++) { - err = ixgbe_setup_tx_resources(adapter->tx_ring[i]); - if (!err) - continue; - e_err(probe, "Allocation for Tx Queue %u failed\n", i); - break; - } - - return err; -} - -/** - * ixgbe_setup_rx_resources - allocate Rx resources (Descriptors) - * @rx_ring: rx descriptor ring (for a specific queue) to setup - * - * Returns 0 on success, negative on failure - **/ -int ixgbe_setup_rx_resources(struct ixgbe_ring *rx_ring) -{ - struct device *dev = rx_ring->dev; - int size; - - size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count; - rx_ring->rx_buffer_info = vzalloc_node(size, rx_ring->numa_node); - if (!rx_ring->rx_buffer_info) - rx_ring->rx_buffer_info = vzalloc(size); - if (!rx_ring->rx_buffer_info) - goto err; - - /* Round up to nearest 4K */ - rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc); - rx_ring->size = ALIGN(rx_ring->size, 4096); - - rx_ring->desc = dma_alloc_coherent(dev, rx_ring->size, - &rx_ring->dma, GFP_KERNEL); - - if (!rx_ring->desc) - goto err; - - rx_ring->next_to_clean = 0; - rx_ring->next_to_use = 0; - - return 0; -err: - vfree(rx_ring->rx_buffer_info); - rx_ring->rx_buffer_info = NULL; - dev_err(dev, "Unable to allocate memory for the Rx descriptor ring\n"); - return -ENOMEM; -} - -/** - * ixgbe_setup_all_rx_resources - allocate all queues Rx resources - * @adapter: board private structure - * - * If this function returns with an error, then it's possible one or - * more of the rings is populated (while the rest are not). It is the - * callers duty to clean those orphaned rings. - * - * Return 0 on success, negative on failure - **/ -static int ixgbe_setup_all_rx_resources(struct ixgbe_adapter *adapter) -{ - int i, err = 0; - - for (i = 0; i < adapter->num_rx_queues; i++) { - err = ixgbe_setup_rx_resources(adapter->rx_ring[i]); - if (!err) - continue; - e_err(probe, "Allocation for Rx Queue %u failed\n", i); - break; - } - - return err; -} - -/** - * ixgbe_free_tx_resources - Free Tx Resources per Queue - * @tx_ring: Tx descriptor ring for a specific queue - * - * Free all transmit software resources - **/ -void ixgbe_free_tx_resources(struct ixgbe_ring *tx_ring) -{ - ixgbe_clean_tx_ring(tx_ring); - - vfree(tx_ring->tx_buffer_info); - tx_ring->tx_buffer_info = NULL; - - /* if not set, then don't free */ - if (!tx_ring->desc) - return; - - dma_free_coherent(tx_ring->dev, tx_ring->size, - tx_ring->desc, tx_ring->dma); - - tx_ring->desc = NULL; -} - -/** - * ixgbe_free_all_tx_resources - Free Tx Resources for All Queues - * @adapter: board private structure - * - * Free all transmit software resources - **/ -static void ixgbe_free_all_tx_resources(struct ixgbe_adapter *adapter) -{ - int i; - - for (i = 0; i < adapter->num_tx_queues; i++) - if (adapter->tx_ring[i]->desc) - ixgbe_free_tx_resources(adapter->tx_ring[i]); -} - -/** - * ixgbe_free_rx_resources - Free Rx Resources - * @rx_ring: ring to clean the resources from - * - * Free all receive software resources - **/ -void ixgbe_free_rx_resources(struct ixgbe_ring *rx_ring) -{ - ixgbe_clean_rx_ring(rx_ring); - - vfree(rx_ring->rx_buffer_info); - rx_ring->rx_buffer_info = NULL; - - /* if not set, then don't free */ - if (!rx_ring->desc) - return; - - dma_free_coherent(rx_ring->dev, rx_ring->size, - rx_ring->desc, rx_ring->dma); - - rx_ring->desc = NULL; -} - -/** - * ixgbe_free_all_rx_resources - Free Rx Resources for All Queues - * @adapter: board private structure - * - * Free all receive software resources - **/ -static void ixgbe_free_all_rx_resources(struct ixgbe_adapter *adapter) -{ - int i; - - for (i = 0; i < adapter->num_rx_queues; i++) - if (adapter->rx_ring[i]->desc) - ixgbe_free_rx_resources(adapter->rx_ring[i]); -} - -/** - * ixgbe_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - **/ -static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; - - /* MTU < 68 is an error and causes problems on some kernels */ - if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE)) - return -EINVAL; - - e_info(probe, "changing MTU from %d to %d\n", netdev->mtu, new_mtu); - /* must set new MTU before calling down or up */ - netdev->mtu = new_mtu; - - hw->fc.high_water = FC_HIGH_WATER(max_frame); - hw->fc.low_water = FC_LOW_WATER(max_frame); - - if (netif_running(netdev)) - ixgbe_reinit_locked(adapter); - - return 0; -} - -/** - * ixgbe_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - **/ -static int ixgbe_open(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - int err; - - /* disallow open during test */ - if (test_bit(__IXGBE_TESTING, &adapter->state)) - return -EBUSY; - - netif_carrier_off(netdev); - - /* allocate transmit descriptors */ - err = ixgbe_setup_all_tx_resources(adapter); - if (err) - goto err_setup_tx; - - /* allocate receive descriptors */ - err = ixgbe_setup_all_rx_resources(adapter); - if (err) - goto err_setup_rx; - - ixgbe_configure(adapter); - - err = ixgbe_request_irq(adapter); - if (err) - goto err_req_irq; - - err = ixgbe_up_complete(adapter); - if (err) - goto err_up; - - netif_tx_start_all_queues(netdev); - - return 0; - -err_up: - ixgbe_release_hw_control(adapter); - ixgbe_free_irq(adapter); -err_req_irq: -err_setup_rx: - ixgbe_free_all_rx_resources(adapter); -err_setup_tx: - ixgbe_free_all_tx_resources(adapter); - ixgbe_reset(adapter); - - return err; -} - -/** - * ixgbe_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - **/ -static int ixgbe_close(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - ixgbe_down(adapter); - ixgbe_free_irq(adapter); - - ixgbe_free_all_tx_resources(adapter); - ixgbe_free_all_rx_resources(adapter); - - ixgbe_release_hw_control(adapter); - - return 0; -} - -#ifdef CONFIG_PM -static int ixgbe_resume(struct pci_dev *pdev) -{ - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; - u32 err; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - /* - * pci_restore_state clears dev->state_saved so call - * pci_save_state to restore it. - */ - pci_save_state(pdev); - - err = pci_enable_device_mem(pdev); - if (err) { - e_dev_err("Cannot enable PCI device from suspend\n"); - return err; - } - pci_set_master(pdev); - - pci_wake_from_d3(pdev, false); - - err = ixgbe_init_interrupt_scheme(adapter); - if (err) { - e_dev_err("Cannot initialize interrupts for device\n"); - return err; - } - - ixgbe_reset(adapter); - - IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0); - - if (netif_running(netdev)) { - err = ixgbe_open(netdev); - if (err) - return err; - } - - netif_device_attach(netdev); - - return 0; -} -#endif /* CONFIG_PM */ - -static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake) -{ - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; - struct ixgbe_hw *hw = &adapter->hw; - u32 ctrl, fctrl; - u32 wufc = adapter->wol; -#ifdef CONFIG_PM - int retval = 0; -#endif - - netif_device_detach(netdev); - - if (netif_running(netdev)) { - ixgbe_down(adapter); - ixgbe_free_irq(adapter); - ixgbe_free_all_tx_resources(adapter); - ixgbe_free_all_rx_resources(adapter); - } - - ixgbe_clear_interrupt_scheme(adapter); - -#ifdef CONFIG_PM - retval = pci_save_state(pdev); - if (retval) - return retval; - -#endif - if (wufc) { - ixgbe_set_rx_mode(netdev); - - /* turn on all-multi mode if wake on multicast is enabled */ - if (wufc & IXGBE_WUFC_MC) { - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - fctrl |= IXGBE_FCTRL_MPE; - IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - } - - ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); - ctrl |= IXGBE_CTRL_GIO_DIS; - IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); - - IXGBE_WRITE_REG(hw, IXGBE_WUFC, wufc); - } else { - IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); - IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); - } - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - pci_wake_from_d3(pdev, false); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - pci_wake_from_d3(pdev, !!wufc); - break; - default: - break; - } - - *enable_wake = !!wufc; - - ixgbe_release_hw_control(adapter); - - pci_disable_device(pdev); - - return 0; -} - -#ifdef CONFIG_PM -static int ixgbe_suspend(struct pci_dev *pdev, pm_message_t state) -{ - int retval; - bool wake; - - retval = __ixgbe_shutdown(pdev, &wake); - if (retval) - return retval; - - if (wake) { - pci_prepare_to_sleep(pdev); - } else { - pci_wake_from_d3(pdev, false); - pci_set_power_state(pdev, PCI_D3hot); - } - - return 0; -} -#endif /* CONFIG_PM */ - -static void ixgbe_shutdown(struct pci_dev *pdev) -{ - bool wake; - - __ixgbe_shutdown(pdev, &wake); - - if (system_state == SYSTEM_POWER_OFF) { - pci_wake_from_d3(pdev, wake); - pci_set_power_state(pdev, PCI_D3hot); - } -} - -/** - * ixgbe_update_stats - Update the board statistics counters. - * @adapter: board private structure - **/ -void ixgbe_update_stats(struct ixgbe_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct ixgbe_hw *hw = &adapter->hw; - struct ixgbe_hw_stats *hwstats = &adapter->stats; - u64 total_mpc = 0; - u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot; - u64 non_eop_descs = 0, restart_queue = 0, tx_busy = 0; - u64 alloc_rx_page_failed = 0, alloc_rx_buff_failed = 0; - u64 bytes = 0, packets = 0; - - if (test_bit(__IXGBE_DOWN, &adapter->state) || - test_bit(__IXGBE_RESETTING, &adapter->state)) - return; - - if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { - u64 rsc_count = 0; - u64 rsc_flush = 0; - for (i = 0; i < 16; i++) - adapter->hw_rx_no_dma_resources += - IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); - for (i = 0; i < adapter->num_rx_queues; i++) { - rsc_count += adapter->rx_ring[i]->rx_stats.rsc_count; - rsc_flush += adapter->rx_ring[i]->rx_stats.rsc_flush; - } - adapter->rsc_total_count = rsc_count; - adapter->rsc_total_flush = rsc_flush; - } - - for (i = 0; i < adapter->num_rx_queues; i++) { - struct ixgbe_ring *rx_ring = adapter->rx_ring[i]; - non_eop_descs += rx_ring->rx_stats.non_eop_descs; - alloc_rx_page_failed += rx_ring->rx_stats.alloc_rx_page_failed; - alloc_rx_buff_failed += rx_ring->rx_stats.alloc_rx_buff_failed; - bytes += rx_ring->stats.bytes; - packets += rx_ring->stats.packets; - } - adapter->non_eop_descs = non_eop_descs; - adapter->alloc_rx_page_failed = alloc_rx_page_failed; - adapter->alloc_rx_buff_failed = alloc_rx_buff_failed; - netdev->stats.rx_bytes = bytes; - netdev->stats.rx_packets = packets; - - bytes = 0; - packets = 0; - /* gather some stats to the adapter struct that are per queue */ - for (i = 0; i < adapter->num_tx_queues; i++) { - struct ixgbe_ring *tx_ring = adapter->tx_ring[i]; - restart_queue += tx_ring->tx_stats.restart_queue; - tx_busy += tx_ring->tx_stats.tx_busy; - bytes += tx_ring->stats.bytes; - packets += tx_ring->stats.packets; - } - adapter->restart_queue = restart_queue; - adapter->tx_busy = tx_busy; - netdev->stats.tx_bytes = bytes; - netdev->stats.tx_packets = packets; - - hwstats->crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS); - for (i = 0; i < 8; i++) { - /* for packet buffers not used, the register should read 0 */ - mpc = IXGBE_READ_REG(hw, IXGBE_MPC(i)); - missed_rx += mpc; - hwstats->mpc[i] += mpc; - total_mpc += hwstats->mpc[i]; - if (hw->mac.type == ixgbe_mac_82598EB) - hwstats->rnbc[i] += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); - hwstats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); - hwstats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC(i)); - hwstats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); - hwstats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC(i)); - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - hwstats->pxonrxc[i] += - IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - hwstats->pxonrxc[i] += - IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); - break; - default: - break; - } - hwstats->pxontxc[i] += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); - hwstats->pxofftxc[i] += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); - } - hwstats->gprc += IXGBE_READ_REG(hw, IXGBE_GPRC); - /* work around hardware counting issue */ - hwstats->gprc -= missed_rx; - - ixgbe_update_xoff_received(adapter); - - /* 82598 hardware only has a 32 bit counter in the high register */ - switch (hw->mac.type) { - case ixgbe_mac_82598EB: - hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC); - hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH); - hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH); - hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORH); - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL); - IXGBE_READ_REG(hw, IXGBE_GORCH); /* to clear */ - hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL); - IXGBE_READ_REG(hw, IXGBE_GOTCH); /* to clear */ - hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORL); - IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */ - hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); - hwstats->fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH); - hwstats->fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS); -#ifdef IXGBE_FCOE - hwstats->fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC); - hwstats->fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); - hwstats->fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); - hwstats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); - hwstats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); - hwstats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); -#endif /* IXGBE_FCOE */ - break; - default: - break; - } - bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); - hwstats->bprc += bprc; - hwstats->mprc += IXGBE_READ_REG(hw, IXGBE_MPRC); - if (hw->mac.type == ixgbe_mac_82598EB) - hwstats->mprc -= bprc; - hwstats->roc += IXGBE_READ_REG(hw, IXGBE_ROC); - hwstats->prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64); - hwstats->prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127); - hwstats->prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255); - hwstats->prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511); - hwstats->prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023); - hwstats->prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522); - hwstats->rlec += IXGBE_READ_REG(hw, IXGBE_RLEC); - lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); - hwstats->lxontxc += lxon; - lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); - hwstats->lxofftxc += lxoff; - hwstats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC); - hwstats->gptc += IXGBE_READ_REG(hw, IXGBE_GPTC); - hwstats->mptc += IXGBE_READ_REG(hw, IXGBE_MPTC); - /* - * 82598 errata - tx of flow control packets is included in tx counters - */ - xon_off_tot = lxon + lxoff; - hwstats->gptc -= xon_off_tot; - hwstats->mptc -= xon_off_tot; - hwstats->gotc -= (xon_off_tot * (ETH_ZLEN + ETH_FCS_LEN)); - hwstats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC); - hwstats->rfc += IXGBE_READ_REG(hw, IXGBE_RFC); - hwstats->rjc += IXGBE_READ_REG(hw, IXGBE_RJC); - hwstats->tpr += IXGBE_READ_REG(hw, IXGBE_TPR); - hwstats->ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64); - hwstats->ptc64 -= xon_off_tot; - hwstats->ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127); - hwstats->ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255); - hwstats->ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511); - hwstats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023); - hwstats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522); - hwstats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC); - - /* Fill out the OS statistics structure */ - netdev->stats.multicast = hwstats->mprc; - - /* Rx Errors */ - netdev->stats.rx_errors = hwstats->crcerrs + hwstats->rlec; - netdev->stats.rx_dropped = 0; - netdev->stats.rx_length_errors = hwstats->rlec; - netdev->stats.rx_crc_errors = hwstats->crcerrs; - netdev->stats.rx_missed_errors = total_mpc; -} - -/** - * ixgbe_watchdog - Timer Call-back - * @data: pointer to adapter cast into an unsigned long - **/ -static void ixgbe_watchdog(unsigned long data) -{ - struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data; - struct ixgbe_hw *hw = &adapter->hw; - u64 eics = 0; - int i; - - /* - * Do the watchdog outside of interrupt context due to the lovely - * delays that some of the newer hardware requires - */ - - if (test_bit(__IXGBE_DOWN, &adapter->state)) - goto watchdog_short_circuit; - - if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) { - /* - * for legacy and MSI interrupts don't set any bits - * that are enabled for EIAM, because this operation - * would set *both* EIMS and EICS for any bit in EIAM - */ - IXGBE_WRITE_REG(hw, IXGBE_EICS, - (IXGBE_EICS_TCP_TIMER | IXGBE_EICS_OTHER)); - goto watchdog_reschedule; - } - - /* get one bit for every active tx/rx interrupt vector */ - for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) { - struct ixgbe_q_vector *qv = adapter->q_vector[i]; - if (qv->rxr_count || qv->txr_count) - eics |= ((u64)1 << i); - } - - /* Cause software interrupt to ensure rx rings are cleaned */ - ixgbe_irq_rearm_queues(adapter, eics); - -watchdog_reschedule: - /* Reset the timer */ - mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ)); - -watchdog_short_circuit: - schedule_work(&adapter->watchdog_task); -} - -/** - * ixgbe_multispeed_fiber_task - worker thread to configure multispeed fiber - * @work: pointer to work_struct containing our data - **/ -static void ixgbe_multispeed_fiber_task(struct work_struct *work) -{ - struct ixgbe_adapter *adapter = container_of(work, - struct ixgbe_adapter, - multispeed_fiber_task); - struct ixgbe_hw *hw = &adapter->hw; - u32 autoneg; - bool negotiation; - - adapter->flags |= IXGBE_FLAG_IN_SFP_LINK_TASK; - autoneg = hw->phy.autoneg_advertised; - if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) - hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation); - hw->mac.autotry_restart = false; - if (hw->mac.ops.setup_link) - hw->mac.ops.setup_link(hw, autoneg, negotiation, true); - adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE; - adapter->flags &= ~IXGBE_FLAG_IN_SFP_LINK_TASK; -} - -/** - * ixgbe_sfp_config_module_task - worker thread to configure a new SFP+ module - * @work: pointer to work_struct containing our data - **/ -static void ixgbe_sfp_config_module_task(struct work_struct *work) -{ - struct ixgbe_adapter *adapter = container_of(work, - struct ixgbe_adapter, - sfp_config_module_task); - struct ixgbe_hw *hw = &adapter->hw; - u32 err; - - adapter->flags |= IXGBE_FLAG_IN_SFP_MOD_TASK; - - /* Time for electrical oscillations to settle down */ - msleep(100); - err = hw->phy.ops.identify_sfp(hw); - - if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { - e_dev_err("failed to initialize because an unsupported SFP+ " - "module type was detected.\n"); - e_dev_err("Reload the driver after installing a supported " - "module.\n"); - unregister_netdev(adapter->netdev); - return; - } - hw->mac.ops.setup_sfp(hw); - - if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK)) - /* This will also work for DA Twinax connections */ - schedule_work(&adapter->multispeed_fiber_task); - adapter->flags &= ~IXGBE_FLAG_IN_SFP_MOD_TASK; -} - -/** - * ixgbe_fdir_reinit_task - worker thread to reinit FDIR filter table - * @work: pointer to work_struct containing our data - **/ -static void ixgbe_fdir_reinit_task(struct work_struct *work) -{ - struct ixgbe_adapter *adapter = container_of(work, - struct ixgbe_adapter, - fdir_reinit_task); - struct ixgbe_hw *hw = &adapter->hw; - int i; - - if (ixgbe_reinit_fdir_tables_82599(hw) == 0) { - for (i = 0; i < adapter->num_tx_queues; i++) - set_bit(__IXGBE_TX_FDIR_INIT_DONE, - &(adapter->tx_ring[i]->state)); - } else { - e_err(probe, "failed to finish FDIR re-initialization, " - "ignored adding FDIR ATR filters\n"); - } - /* Done FDIR Re-initialization, enable transmits */ - netif_tx_start_all_queues(adapter->netdev); -} - -static DEFINE_MUTEX(ixgbe_watchdog_lock); - -/** - * ixgbe_watchdog_task - worker thread to bring link up - * @work: pointer to work_struct containing our data - **/ -static void ixgbe_watchdog_task(struct work_struct *work) -{ - struct ixgbe_adapter *adapter = container_of(work, - struct ixgbe_adapter, - watchdog_task); - struct net_device *netdev = adapter->netdev; - struct ixgbe_hw *hw = &adapter->hw; - u32 link_speed; - bool link_up; - int i; - struct ixgbe_ring *tx_ring; - int some_tx_pending = 0; - - mutex_lock(&ixgbe_watchdog_lock); - - link_up = adapter->link_up; - link_speed = adapter->link_speed; - - if (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE) { - hw->mac.ops.check_link(hw, &link_speed, &link_up, false); - if (link_up) { -#ifdef CONFIG_DCB - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - for (i = 0; i < MAX_TRAFFIC_CLASS; i++) - hw->mac.ops.fc_enable(hw, i); - } else { - hw->mac.ops.fc_enable(hw, 0); - } -#else - hw->mac.ops.fc_enable(hw, 0); -#endif - } - - if (link_up || - time_after(jiffies, (adapter->link_check_timeout + - IXGBE_TRY_LINK_TIMEOUT))) { - adapter->flags &= ~IXGBE_FLAG_NEED_LINK_UPDATE; - IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMC_LSC); - } - adapter->link_up = link_up; - adapter->link_speed = link_speed; - } - - if (link_up) { - if (!netif_carrier_ok(netdev)) { - bool flow_rx, flow_tx; - - switch (hw->mac.type) { - case ixgbe_mac_82598EB: { - u32 frctl = IXGBE_READ_REG(hw, IXGBE_FCTRL); - u32 rmcs = IXGBE_READ_REG(hw, IXGBE_RMCS); - flow_rx = !!(frctl & IXGBE_FCTRL_RFCE); - flow_tx = !!(rmcs & IXGBE_RMCS_TFCE_802_3X); - } - break; - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: { - u32 mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN); - u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG); - flow_rx = !!(mflcn & IXGBE_MFLCN_RFCE); - flow_tx = !!(fccfg & IXGBE_FCCFG_TFCE_802_3X); - } - break; - default: - flow_tx = false; - flow_rx = false; - break; - } - - e_info(drv, "NIC Link is Up %s, Flow Control: %s\n", - (link_speed == IXGBE_LINK_SPEED_10GB_FULL ? - "10 Gbps" : - (link_speed == IXGBE_LINK_SPEED_1GB_FULL ? - "1 Gbps" : "unknown speed")), - ((flow_rx && flow_tx) ? "RX/TX" : - (flow_rx ? "RX" : - (flow_tx ? "TX" : "None")))); - - netif_carrier_on(netdev); - } else { - /* Force detection of hung controller */ - for (i = 0; i < adapter->num_tx_queues; i++) { - tx_ring = adapter->tx_ring[i]; - set_check_for_tx_hang(tx_ring); - } - } - } else { - adapter->link_up = false; - adapter->link_speed = 0; - if (netif_carrier_ok(netdev)) { - e_info(drv, "NIC Link is Down\n"); - netif_carrier_off(netdev); - } - } - - if (!netif_carrier_ok(netdev)) { - for (i = 0; i < adapter->num_tx_queues; i++) { - tx_ring = adapter->tx_ring[i]; - if (tx_ring->next_to_use != tx_ring->next_to_clean) { - some_tx_pending = 1; - break; - } - } - - if (some_tx_pending) { - /* We've lost link, so the controller stops DMA, - * but we've got queued Tx work that's never going - * to get done, so reset controller to flush Tx. - * (Do the reset outside of interrupt context). - */ - schedule_work(&adapter->reset_task); - } - } - - ixgbe_update_stats(adapter); - mutex_unlock(&ixgbe_watchdog_lock); -} - -static int ixgbe_tso(struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring, struct sk_buff *skb, - u32 tx_flags, u8 *hdr_len, __be16 protocol) -{ - struct ixgbe_adv_tx_context_desc *context_desc; - unsigned int i; - int err; - struct ixgbe_tx_buffer *tx_buffer_info; - u32 vlan_macip_lens = 0, type_tucmd_mlhl; - u32 mss_l4len_idx, l4len; - - if (skb_is_gso(skb)) { - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } - l4len = tcp_hdrlen(skb); - *hdr_len += l4len; - - if (protocol == htons(ETH_P_IP)) { - struct iphdr *iph = ip_hdr(skb); - iph->tot_len = 0; - iph->check = 0; - tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, - iph->daddr, 0, - IPPROTO_TCP, - 0); - } else if (skb_is_gso_v6(skb)) { - ipv6_hdr(skb)->payload_len = 0; - tcp_hdr(skb)->check = - ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, - &ipv6_hdr(skb)->daddr, - 0, IPPROTO_TCP, 0); - } - - i = tx_ring->next_to_use; - - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - context_desc = IXGBE_TX_CTXTDESC_ADV(tx_ring, i); - - /* VLAN MACLEN IPLEN */ - if (tx_flags & IXGBE_TX_FLAGS_VLAN) - vlan_macip_lens |= - (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK); - vlan_macip_lens |= ((skb_network_offset(skb)) << - IXGBE_ADVTXD_MACLEN_SHIFT); - *hdr_len += skb_network_offset(skb); - vlan_macip_lens |= - (skb_transport_header(skb) - skb_network_header(skb)); - *hdr_len += - (skb_transport_header(skb) - skb_network_header(skb)); - context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens); - context_desc->seqnum_seed = 0; - - /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ - type_tucmd_mlhl = (IXGBE_TXD_CMD_DEXT | - IXGBE_ADVTXD_DTYP_CTXT); - - if (protocol == htons(ETH_P_IP)) - type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4; - type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP; - context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl); - - /* MSS L4LEN IDX */ - mss_l4len_idx = - (skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT); - mss_l4len_idx |= (l4len << IXGBE_ADVTXD_L4LEN_SHIFT); - /* use index 1 for TSO */ - mss_l4len_idx |= (1 << IXGBE_ADVTXD_IDX_SHIFT); - context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx); - - tx_buffer_info->time_stamp = jiffies; - tx_buffer_info->next_to_watch = i; - - i++; - if (i == tx_ring->count) - i = 0; - tx_ring->next_to_use = i; - - return true; - } - return false; -} - -static u32 ixgbe_psum(struct ixgbe_adapter *adapter, struct sk_buff *skb, - __be16 protocol) -{ - u32 rtn = 0; - - switch (protocol) { - case cpu_to_be16(ETH_P_IP): - rtn |= IXGBE_ADVTXD_TUCMD_IPV4; - switch (ip_hdr(skb)->protocol) { - case IPPROTO_TCP: - rtn |= IXGBE_ADVTXD_TUCMD_L4T_TCP; - break; - case IPPROTO_SCTP: - rtn |= IXGBE_ADVTXD_TUCMD_L4T_SCTP; - break; - } - break; - case cpu_to_be16(ETH_P_IPV6): - /* XXX what about other V6 headers?? */ - switch (ipv6_hdr(skb)->nexthdr) { - case IPPROTO_TCP: - rtn |= IXGBE_ADVTXD_TUCMD_L4T_TCP; - break; - case IPPROTO_SCTP: - rtn |= IXGBE_ADVTXD_TUCMD_L4T_SCTP; - break; - } - break; - default: - if (unlikely(net_ratelimit())) - e_warn(probe, "partial checksum but proto=%x!\n", - protocol); - break; - } - - return rtn; -} - -static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring, - struct sk_buff *skb, u32 tx_flags, - __be16 protocol) -{ - struct ixgbe_adv_tx_context_desc *context_desc; - unsigned int i; - struct ixgbe_tx_buffer *tx_buffer_info; - u32 vlan_macip_lens = 0, type_tucmd_mlhl = 0; - - if (skb->ip_summed == CHECKSUM_PARTIAL || - (tx_flags & IXGBE_TX_FLAGS_VLAN)) { - i = tx_ring->next_to_use; - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - context_desc = IXGBE_TX_CTXTDESC_ADV(tx_ring, i); - - if (tx_flags & IXGBE_TX_FLAGS_VLAN) - vlan_macip_lens |= - (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK); - vlan_macip_lens |= (skb_network_offset(skb) << - IXGBE_ADVTXD_MACLEN_SHIFT); - if (skb->ip_summed == CHECKSUM_PARTIAL) - vlan_macip_lens |= (skb_transport_header(skb) - - skb_network_header(skb)); - - context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens); - context_desc->seqnum_seed = 0; - - type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT | - IXGBE_ADVTXD_DTYP_CTXT); - - if (skb->ip_summed == CHECKSUM_PARTIAL) - type_tucmd_mlhl |= ixgbe_psum(adapter, skb, protocol); - - context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl); - /* use index zero for tx checksum offload */ - context_desc->mss_l4len_idx = 0; - - tx_buffer_info->time_stamp = jiffies; - tx_buffer_info->next_to_watch = i; - - i++; - if (i == tx_ring->count) - i = 0; - tx_ring->next_to_use = i; - - return true; - } - - return false; -} - -static int ixgbe_tx_map(struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring, - struct sk_buff *skb, u32 tx_flags, - unsigned int first, const u8 hdr_len) -{ - struct device *dev = tx_ring->dev; - struct ixgbe_tx_buffer *tx_buffer_info; - unsigned int len; - unsigned int total = skb->len; - unsigned int offset = 0, size, count = 0, i; - unsigned int nr_frags = skb_shinfo(skb)->nr_frags; - unsigned int f; - unsigned int bytecount = skb->len; - u16 gso_segs = 1; - - i = tx_ring->next_to_use; - - if (tx_flags & IXGBE_TX_FLAGS_FCOE) - /* excluding fcoe_crc_eof for FCoE */ - total -= sizeof(struct fcoe_crc_eof); - - len = min(skb_headlen(skb), total); - while (len) { - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD); - - tx_buffer_info->length = size; - tx_buffer_info->mapped_as_page = false; - tx_buffer_info->dma = dma_map_single(dev, - skb->data + offset, - size, DMA_TO_DEVICE); - if (dma_mapping_error(dev, tx_buffer_info->dma)) - goto dma_error; - tx_buffer_info->time_stamp = jiffies; - tx_buffer_info->next_to_watch = i; - - len -= size; - total -= size; - offset += size; - count++; - - if (len) { - i++; - if (i == tx_ring->count) - i = 0; - } - } - - for (f = 0; f < nr_frags; f++) { - struct skb_frag_struct *frag; - - frag = &skb_shinfo(skb)->frags[f]; - len = min((unsigned int)frag->size, total); - offset = frag->page_offset; - - while (len) { - i++; - if (i == tx_ring->count) - i = 0; - - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD); - - tx_buffer_info->length = size; - tx_buffer_info->dma = dma_map_page(dev, - frag->page, - offset, size, - DMA_TO_DEVICE); - tx_buffer_info->mapped_as_page = true; - if (dma_mapping_error(dev, tx_buffer_info->dma)) - goto dma_error; - tx_buffer_info->time_stamp = jiffies; - tx_buffer_info->next_to_watch = i; - - len -= size; - total -= size; - offset += size; - count++; - } - if (total == 0) - break; - } - - if (tx_flags & IXGBE_TX_FLAGS_TSO) - gso_segs = skb_shinfo(skb)->gso_segs; -#ifdef IXGBE_FCOE - /* adjust for FCoE Sequence Offload */ - else if (tx_flags & IXGBE_TX_FLAGS_FSO) - gso_segs = DIV_ROUND_UP(skb->len - hdr_len, - skb_shinfo(skb)->gso_size); -#endif /* IXGBE_FCOE */ - bytecount += (gso_segs - 1) * hdr_len; - - /* multiply data chunks by size of headers */ - tx_ring->tx_buffer_info[i].bytecount = bytecount; - tx_ring->tx_buffer_info[i].gso_segs = gso_segs; - tx_ring->tx_buffer_info[i].skb = skb; - tx_ring->tx_buffer_info[first].next_to_watch = i; - - return count; - -dma_error: - e_dev_err("TX DMA map failed\n"); - - /* clear timestamp and dma mappings for failed tx_buffer_info map */ - tx_buffer_info->dma = 0; - tx_buffer_info->time_stamp = 0; - tx_buffer_info->next_to_watch = 0; - if (count) - count--; - - /* clear timestamp and dma mappings for remaining portion of packet */ - while (count--) { - if (i == 0) - i += tx_ring->count; - i--; - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info); - } - - return 0; -} - -static void ixgbe_tx_queue(struct ixgbe_ring *tx_ring, - int tx_flags, int count, u32 paylen, u8 hdr_len) -{ - union ixgbe_adv_tx_desc *tx_desc = NULL; - struct ixgbe_tx_buffer *tx_buffer_info; - u32 olinfo_status = 0, cmd_type_len = 0; - unsigned int i; - u32 txd_cmd = IXGBE_TXD_CMD_EOP | IXGBE_TXD_CMD_RS | IXGBE_TXD_CMD_IFCS; - - cmd_type_len |= IXGBE_ADVTXD_DTYP_DATA; - - cmd_type_len |= IXGBE_ADVTXD_DCMD_IFCS | IXGBE_ADVTXD_DCMD_DEXT; - - if (tx_flags & IXGBE_TX_FLAGS_VLAN) - cmd_type_len |= IXGBE_ADVTXD_DCMD_VLE; - - if (tx_flags & IXGBE_TX_FLAGS_TSO) { - cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE; - - olinfo_status |= IXGBE_TXD_POPTS_TXSM << - IXGBE_ADVTXD_POPTS_SHIFT; - - /* use index 1 context for tso */ - olinfo_status |= (1 << IXGBE_ADVTXD_IDX_SHIFT); - if (tx_flags & IXGBE_TX_FLAGS_IPV4) - olinfo_status |= IXGBE_TXD_POPTS_IXSM << - IXGBE_ADVTXD_POPTS_SHIFT; - - } else if (tx_flags & IXGBE_TX_FLAGS_CSUM) - olinfo_status |= IXGBE_TXD_POPTS_TXSM << - IXGBE_ADVTXD_POPTS_SHIFT; - - if (tx_flags & IXGBE_TX_FLAGS_FCOE) { - olinfo_status |= IXGBE_ADVTXD_CC; - olinfo_status |= (1 << IXGBE_ADVTXD_IDX_SHIFT); - if (tx_flags & IXGBE_TX_FLAGS_FSO) - cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE; - } - - olinfo_status |= ((paylen - hdr_len) << IXGBE_ADVTXD_PAYLEN_SHIFT); - - i = tx_ring->next_to_use; - while (count--) { - tx_buffer_info = &tx_ring->tx_buffer_info[i]; - tx_desc = IXGBE_TX_DESC_ADV(tx_ring, i); - tx_desc->read.buffer_addr = cpu_to_le64(tx_buffer_info->dma); - tx_desc->read.cmd_type_len = - cpu_to_le32(cmd_type_len | tx_buffer_info->length); - tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status); - i++; - if (i == tx_ring->count) - i = 0; - } - - tx_desc->read.cmd_type_len |= cpu_to_le32(txd_cmd); - - /* - * Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). - */ - wmb(); - - tx_ring->next_to_use = i; - writel(i, tx_ring->tail); -} - -static void ixgbe_atr(struct ixgbe_adapter *adapter, struct sk_buff *skb, - u8 queue, u32 tx_flags, __be16 protocol) -{ - struct ixgbe_atr_input atr_input; - struct iphdr *iph = ip_hdr(skb); - struct ethhdr *eth = (struct ethhdr *)skb->data; - struct tcphdr *th; - u16 vlan_id; - - /* Right now, we support IPv4 w/ TCP only */ - if (protocol != htons(ETH_P_IP) || - iph->protocol != IPPROTO_TCP) - return; - - memset(&atr_input, 0, sizeof(struct ixgbe_atr_input)); - - vlan_id = (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK) >> - IXGBE_TX_FLAGS_VLAN_SHIFT; - - th = tcp_hdr(skb); - - ixgbe_atr_set_vlan_id_82599(&atr_input, vlan_id); - ixgbe_atr_set_src_port_82599(&atr_input, th->dest); - ixgbe_atr_set_dst_port_82599(&atr_input, th->source); - ixgbe_atr_set_flex_byte_82599(&atr_input, eth->h_proto); - ixgbe_atr_set_l4type_82599(&atr_input, IXGBE_ATR_L4TYPE_TCP); - /* src and dst are inverted, think how the receiver sees them */ - ixgbe_atr_set_src_ipv4_82599(&atr_input, iph->daddr); - ixgbe_atr_set_dst_ipv4_82599(&atr_input, iph->saddr); - - /* This assumes the Rx queue and Tx queue are bound to the same CPU */ - ixgbe_fdir_add_signature_filter_82599(&adapter->hw, &atr_input, queue); -} - -static int __ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, int size) -{ - netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index); - /* Herbert's original patch had: - * smp_mb__after_netif_stop_queue(); - * but since that doesn't exist yet, just open code it. */ - smp_mb(); - - /* We need to check again in a case another CPU has just - * made room available. */ - if (likely(IXGBE_DESC_UNUSED(tx_ring) < size)) - return -EBUSY; - - /* A reprieve! - use start_queue because it doesn't call schedule */ - netif_start_subqueue(tx_ring->netdev, tx_ring->queue_index); - ++tx_ring->tx_stats.restart_queue; - return 0; -} - -static int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, int size) -{ - if (likely(IXGBE_DESC_UNUSED(tx_ring) >= size)) - return 0; - return __ixgbe_maybe_stop_tx(tx_ring, size); -} - -static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) -{ - struct ixgbe_adapter *adapter = netdev_priv(dev); - int txq = smp_processor_id(); -#ifdef IXGBE_FCOE - __be16 protocol; - - protocol = vlan_get_protocol(skb); - - if ((protocol == htons(ETH_P_FCOE)) || - (protocol == htons(ETH_P_FIP))) { - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { - txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1); - txq += adapter->ring_feature[RING_F_FCOE].mask; - return txq; -#ifdef CONFIG_IXGBE_DCB - } else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - txq = adapter->fcoe.up; - return txq; -#endif - } - } -#endif - - if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) { - while (unlikely(txq >= dev->real_num_tx_queues)) - txq -= dev->real_num_tx_queues; - return txq; - } - - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - if (skb->priority == TC_PRIO_CONTROL) - txq = adapter->ring_feature[RING_F_DCB].indices-1; - else - txq = (skb->vlan_tci & IXGBE_TX_FLAGS_VLAN_PRIO_MASK) - >> 13; - return txq; - } - - return skb_tx_hash(dev, skb); -} - -netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, - struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring) -{ - struct net_device *netdev = tx_ring->netdev; - struct netdev_queue *txq; - unsigned int first; - unsigned int tx_flags = 0; - u8 hdr_len = 0; - int tso; - int count = 0; - unsigned int f; - __be16 protocol; - - protocol = vlan_get_protocol(skb); - - if (vlan_tx_tag_present(skb)) { - tx_flags |= vlan_tx_tag_get(skb); - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - tx_flags &= ~IXGBE_TX_FLAGS_VLAN_PRIO_MASK; - tx_flags |= ((skb->queue_mapping & 0x7) << 13); - } - tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; - tx_flags |= IXGBE_TX_FLAGS_VLAN; - } else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED && - skb->priority != TC_PRIO_CONTROL) { - tx_flags |= ((skb->queue_mapping & 0x7) << 13); - tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; - tx_flags |= IXGBE_TX_FLAGS_VLAN; - } - -#ifdef IXGBE_FCOE - /* for FCoE with DCB, we force the priority to what - * was specified by the switch */ - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED && - (protocol == htons(ETH_P_FCOE) || - protocol == htons(ETH_P_FIP))) { -#ifdef CONFIG_IXGBE_DCB - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK - << IXGBE_TX_FLAGS_VLAN_SHIFT); - tx_flags |= ((adapter->fcoe.up << 13) - << IXGBE_TX_FLAGS_VLAN_SHIFT); - } -#endif - /* flag for FCoE offloads */ - if (protocol == htons(ETH_P_FCOE)) - tx_flags |= IXGBE_TX_FLAGS_FCOE; - } -#endif - - /* four things can cause us to need a context descriptor */ - if (skb_is_gso(skb) || - (skb->ip_summed == CHECKSUM_PARTIAL) || - (tx_flags & IXGBE_TX_FLAGS_VLAN) || - (tx_flags & IXGBE_TX_FLAGS_FCOE)) - count++; - - count += TXD_USE_COUNT(skb_headlen(skb)); - for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) - count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size); - - if (ixgbe_maybe_stop_tx(tx_ring, count)) { - tx_ring->tx_stats.tx_busy++; - return NETDEV_TX_BUSY; - } - - first = tx_ring->next_to_use; - if (tx_flags & IXGBE_TX_FLAGS_FCOE) { -#ifdef IXGBE_FCOE - /* setup tx offload for FCoE */ - tso = ixgbe_fso(adapter, tx_ring, skb, tx_flags, &hdr_len); - if (tso < 0) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - if (tso) - tx_flags |= IXGBE_TX_FLAGS_FSO; -#endif /* IXGBE_FCOE */ - } else { - if (protocol == htons(ETH_P_IP)) - tx_flags |= IXGBE_TX_FLAGS_IPV4; - tso = ixgbe_tso(adapter, tx_ring, skb, tx_flags, &hdr_len, - protocol); - if (tso < 0) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (tso) - tx_flags |= IXGBE_TX_FLAGS_TSO; - else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags, - protocol) && - (skb->ip_summed == CHECKSUM_PARTIAL)) - tx_flags |= IXGBE_TX_FLAGS_CSUM; - } - - count = ixgbe_tx_map(adapter, tx_ring, skb, tx_flags, first, hdr_len); - if (count) { - /* add the ATR filter if ATR is on */ - if (tx_ring->atr_sample_rate) { - ++tx_ring->atr_count; - if ((tx_ring->atr_count >= tx_ring->atr_sample_rate) && - test_bit(__IXGBE_TX_FDIR_INIT_DONE, - &tx_ring->state)) { - ixgbe_atr(adapter, skb, tx_ring->queue_index, - tx_flags, protocol); - tx_ring->atr_count = 0; - } - } - txq = netdev_get_tx_queue(netdev, tx_ring->queue_index); - txq->tx_bytes += skb->len; - txq->tx_packets++; - ixgbe_tx_queue(tx_ring, tx_flags, count, skb->len, hdr_len); - ixgbe_maybe_stop_tx(tx_ring, DESC_NEEDED); - - } else { - dev_kfree_skb_any(skb); - tx_ring->tx_buffer_info[first].time_stamp = 0; - tx_ring->next_to_use = first; - } - - return NETDEV_TX_OK; -} - -static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_ring *tx_ring; - - tx_ring = adapter->tx_ring[skb->queue_mapping]; - return ixgbe_xmit_frame_ring(skb, adapter, tx_ring); -} - -/** - * ixgbe_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - **/ -static int ixgbe_set_mac(struct net_device *netdev, void *p) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - struct sockaddr *addr = p; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); - - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, adapter->num_vfs, - IXGBE_RAH_AV); - - return 0; -} - -static int -ixgbe_mdio_read(struct net_device *netdev, int prtad, int devad, u16 addr) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - u16 value; - int rc; - - if (prtad != hw->phy.mdio.prtad) - return -EINVAL; - rc = hw->phy.ops.read_reg(hw, addr, devad, &value); - if (!rc) - rc = value; - return rc; -} - -static int ixgbe_mdio_write(struct net_device *netdev, int prtad, int devad, - u16 addr, u16 value) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - - if (prtad != hw->phy.mdio.prtad) - return -EINVAL; - return hw->phy.ops.write_reg(hw, addr, devad, value); -} - -static int ixgbe_ioctl(struct net_device *netdev, struct ifreq *req, int cmd) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - return mdio_mii_ioctl(&adapter->hw.phy.mdio, if_mii(req), cmd); -} - -/** - * ixgbe_add_sanmac_netdev - Add the SAN MAC address to the corresponding - * netdev->dev_addrs - * @netdev: network interface device structure - * - * Returns non-zero on failure - **/ -static int ixgbe_add_sanmac_netdev(struct net_device *dev) -{ - int err = 0; - struct ixgbe_adapter *adapter = netdev_priv(dev); - struct ixgbe_mac_info *mac = &adapter->hw.mac; - - if (is_valid_ether_addr(mac->san_addr)) { - rtnl_lock(); - err = dev_addr_add(dev, mac->san_addr, NETDEV_HW_ADDR_T_SAN); - rtnl_unlock(); - } - return err; -} - -/** - * ixgbe_del_sanmac_netdev - Removes the SAN MAC address to the corresponding - * netdev->dev_addrs - * @netdev: network interface device structure - * - * Returns non-zero on failure - **/ -static int ixgbe_del_sanmac_netdev(struct net_device *dev) -{ - int err = 0; - struct ixgbe_adapter *adapter = netdev_priv(dev); - struct ixgbe_mac_info *mac = &adapter->hw.mac; - - if (is_valid_ether_addr(mac->san_addr)) { - rtnl_lock(); - err = dev_addr_del(dev, mac->san_addr, NETDEV_HW_ADDR_T_SAN); - rtnl_unlock(); - } - return err; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -/* - * Polling 'interrupt' - used by things like netconsole to send skbs - * without having to re-enable interrupts. It's not called while - * the interrupt routine is executing. - */ -static void ixgbe_netpoll(struct net_device *netdev) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - int i; - - /* if interface is down do nothing */ - if (test_bit(__IXGBE_DOWN, &adapter->state)) - return; - - adapter->flags |= IXGBE_FLAG_IN_NETPOLL; - if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { - int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; - for (i = 0; i < num_q_vectors; i++) { - struct ixgbe_q_vector *q_vector = adapter->q_vector[i]; - ixgbe_msix_clean_many(0, q_vector); - } - } else { - ixgbe_intr(adapter->pdev->irq, netdev); - } - adapter->flags &= ~IXGBE_FLAG_IN_NETPOLL; -} -#endif - -static struct rtnl_link_stats64 *ixgbe_get_stats64(struct net_device *netdev, - struct rtnl_link_stats64 *stats) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - int i; - - /* accurate rx/tx bytes/packets stats */ - dev_txq_stats_fold(netdev, stats); - rcu_read_lock(); - for (i = 0; i < adapter->num_rx_queues; i++) { - struct ixgbe_ring *ring = ACCESS_ONCE(adapter->rx_ring[i]); - u64 bytes, packets; - unsigned int start; - - if (ring) { - do { - start = u64_stats_fetch_begin_bh(&ring->syncp); - packets = ring->stats.packets; - bytes = ring->stats.bytes; - } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); - stats->rx_packets += packets; - stats->rx_bytes += bytes; - } - } - rcu_read_unlock(); - /* following stats updated by ixgbe_watchdog_task() */ - stats->multicast = netdev->stats.multicast; - stats->rx_errors = netdev->stats.rx_errors; - stats->rx_length_errors = netdev->stats.rx_length_errors; - stats->rx_crc_errors = netdev->stats.rx_crc_errors; - stats->rx_missed_errors = netdev->stats.rx_missed_errors; - return stats; -} - - -static const struct net_device_ops ixgbe_netdev_ops = { - .ndo_open = ixgbe_open, - .ndo_stop = ixgbe_close, - .ndo_start_xmit = ixgbe_xmit_frame, - .ndo_select_queue = ixgbe_select_queue, - .ndo_set_rx_mode = ixgbe_set_rx_mode, - .ndo_set_multicast_list = ixgbe_set_rx_mode, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = ixgbe_set_mac, - .ndo_change_mtu = ixgbe_change_mtu, - .ndo_tx_timeout = ixgbe_tx_timeout, - .ndo_vlan_rx_add_vid = ixgbe_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = ixgbe_vlan_rx_kill_vid, - .ndo_do_ioctl = ixgbe_ioctl, - .ndo_set_vf_mac = ixgbe_ndo_set_vf_mac, - .ndo_set_vf_vlan = ixgbe_ndo_set_vf_vlan, - .ndo_set_vf_tx_rate = ixgbe_ndo_set_vf_bw, - .ndo_get_vf_config = ixgbe_ndo_get_vf_config, - .ndo_get_stats64 = ixgbe_get_stats64, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = ixgbe_netpoll, -#endif -#ifdef IXGBE_FCOE - .ndo_fcoe_ddp_setup = ixgbe_fcoe_ddp_get, - .ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put, - .ndo_fcoe_enable = ixgbe_fcoe_enable, - .ndo_fcoe_disable = ixgbe_fcoe_disable, - .ndo_fcoe_get_wwn = ixgbe_fcoe_get_wwn, -#endif /* IXGBE_FCOE */ -}; - -static void __devinit ixgbe_probe_vf(struct ixgbe_adapter *adapter, - const struct ixgbe_info *ii) -{ -#ifdef CONFIG_PCI_IOV - struct ixgbe_hw *hw = &adapter->hw; - int err; - - if (hw->mac.type != ixgbe_mac_82599EB || !max_vfs) - return; - - /* The 82599 supports up to 64 VFs per physical function - * but this implementation limits allocation to 63 so that - * basic networking resources are still available to the - * physical function - */ - adapter->num_vfs = (max_vfs > 63) ? 63 : max_vfs; - adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED; - err = pci_enable_sriov(adapter->pdev, adapter->num_vfs); - if (err) { - e_err(probe, "Failed to enable PCI sriov: %d\n", err); - goto err_novfs; - } - /* If call to enable VFs succeeded then allocate memory - * for per VF control structures. - */ - adapter->vfinfo = - kcalloc(adapter->num_vfs, - sizeof(struct vf_data_storage), GFP_KERNEL); - if (adapter->vfinfo) { - /* Now that we're sure SR-IOV is enabled - * and memory allocated set up the mailbox parameters - */ - ixgbe_init_mbx_params_pf(hw); - memcpy(&hw->mbx.ops, ii->mbx_ops, - sizeof(hw->mbx.ops)); - - /* Disable RSC when in SR-IOV mode */ - adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE | - IXGBE_FLAG2_RSC_ENABLED); - return; - } - - /* Oh oh */ - e_err(probe, "Unable to allocate memory for VF Data Storage - " - "SRIOV disabled\n"); - pci_disable_sriov(adapter->pdev); - -err_novfs: - adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; - adapter->num_vfs = 0; -#endif /* CONFIG_PCI_IOV */ -} - -/** - * ixgbe_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in ixgbe_pci_tbl - * - * Returns 0 on success, negative on failure - * - * ixgbe_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - **/ -static int __devinit ixgbe_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct ixgbe_adapter *adapter = NULL; - struct ixgbe_hw *hw; - const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data]; - static int cards_found; - int i, err, pci_using_dac; - u8 part_str[IXGBE_PBANUM_LENGTH]; - unsigned int indices = num_possible_cpus(); -#ifdef IXGBE_FCOE - u16 device_caps; -#endif - u32 eec; - - /* Catch broken hardware that put the wrong VF device ID in - * the PCIe SR-IOV capability. - */ - if (pdev->is_virtfn) { - WARN(1, KERN_ERR "%s (%hx:%hx) should not be a VF!\n", - pci_name(pdev), pdev->vendor, pdev->device); - return -EINVAL; - } - - err = pci_enable_device_mem(pdev); - if (err) - return err; - - if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) && - !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { - pci_using_dac = 1; - } else { - err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - err = dma_set_coherent_mask(&pdev->dev, - DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, - "No usable DMA configuration, aborting\n"); - goto err_dma; - } - } - pci_using_dac = 0; - } - - err = pci_request_selected_regions(pdev, pci_select_bars(pdev, - IORESOURCE_MEM), ixgbe_driver_name); - if (err) { - dev_err(&pdev->dev, - "pci_request_selected_regions failed 0x%x\n", err); - goto err_pci_reg; - } - - pci_enable_pcie_error_reporting(pdev); - - pci_set_master(pdev); - pci_save_state(pdev); - - if (ii->mac == ixgbe_mac_82598EB) - indices = min_t(unsigned int, indices, IXGBE_MAX_RSS_INDICES); - else - indices = min_t(unsigned int, indices, IXGBE_MAX_FDIR_INDICES); - - indices = max_t(unsigned int, indices, IXGBE_MAX_DCB_INDICES); -#ifdef IXGBE_FCOE - indices += min_t(unsigned int, num_possible_cpus(), - IXGBE_MAX_FCOE_INDICES); -#endif - netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices); - if (!netdev) { - err = -ENOMEM; - goto err_alloc_etherdev; - } - - SET_NETDEV_DEV(netdev, &pdev->dev); - - adapter = netdev_priv(netdev); - pci_set_drvdata(pdev, adapter); - - adapter->netdev = netdev; - adapter->pdev = pdev; - hw = &adapter->hw; - hw->back = adapter; - adapter->msg_enable = (1 << DEFAULT_DEBUG_LEVEL_SHIFT) - 1; - - hw->hw_addr = ioremap(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - if (!hw->hw_addr) { - err = -EIO; - goto err_ioremap; - } - - for (i = 1; i <= 5; i++) { - if (pci_resource_len(pdev, i) == 0) - continue; - } - - netdev->netdev_ops = &ixgbe_netdev_ops; - ixgbe_set_ethtool_ops(netdev); - netdev->watchdog_timeo = 5 * HZ; - strcpy(netdev->name, pci_name(pdev)); - - adapter->bd_number = cards_found; - - /* Setup hw api */ - memcpy(&hw->mac.ops, ii->mac_ops, sizeof(hw->mac.ops)); - hw->mac.type = ii->mac; - - /* EEPROM */ - memcpy(&hw->eeprom.ops, ii->eeprom_ops, sizeof(hw->eeprom.ops)); - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - /* If EEPROM is valid (bit 8 = 1), use default otherwise use bit bang */ - if (!(eec & (1 << 8))) - hw->eeprom.ops.read = &ixgbe_read_eeprom_bit_bang_generic; - - /* PHY */ - memcpy(&hw->phy.ops, ii->phy_ops, sizeof(hw->phy.ops)); - hw->phy.sfp_type = ixgbe_sfp_type_unknown; - /* ixgbe_identify_phy_generic will set prtad and mmds properly */ - hw->phy.mdio.prtad = MDIO_PRTAD_NONE; - hw->phy.mdio.mmds = 0; - hw->phy.mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; - hw->phy.mdio.dev = netdev; - hw->phy.mdio.mdio_read = ixgbe_mdio_read; - hw->phy.mdio.mdio_write = ixgbe_mdio_write; - - /* set up this timer and work struct before calling get_invariants - * which might start the timer - */ - init_timer(&adapter->sfp_timer); - adapter->sfp_timer.function = ixgbe_sfp_timer; - adapter->sfp_timer.data = (unsigned long) adapter; - - INIT_WORK(&adapter->sfp_task, ixgbe_sfp_task); - - /* multispeed fiber has its own tasklet, called from GPI SDP1 context */ - INIT_WORK(&adapter->multispeed_fiber_task, ixgbe_multispeed_fiber_task); - - /* a new SFP+ module arrival, called from GPI SDP2 context */ - INIT_WORK(&adapter->sfp_config_module_task, - ixgbe_sfp_config_module_task); - - ii->get_invariants(hw); - - /* setup the private structure */ - err = ixgbe_sw_init(adapter); - if (err) - goto err_sw_init; - - /* Make it possible the adapter to be woken up via WOL */ - switch (adapter->hw.mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0); - break; - default: - break; - } - - /* - * If there is a fan on this device and it has failed log the - * failure. - */ - if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) { - u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); - if (esdp & IXGBE_ESDP_SDP1) - e_crit(probe, "Fan has stopped, replace the adapter\n"); - } - - /* reset_hw fills in the perm_addr as well */ - hw->phy.reset_if_overtemp = true; - err = hw->mac.ops.reset_hw(hw); - hw->phy.reset_if_overtemp = false; - if (err == IXGBE_ERR_SFP_NOT_PRESENT && - hw->mac.type == ixgbe_mac_82598EB) { - /* - * Start a kernel thread to watch for a module to arrive. - * Only do this for 82598, since 82599 will generate - * interrupts on module arrival. - */ - set_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state); - mod_timer(&adapter->sfp_timer, - round_jiffies(jiffies + (2 * HZ))); - err = 0; - } else if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { - e_dev_err("failed to initialize because an unsupported SFP+ " - "module type was detected.\n"); - e_dev_err("Reload the driver after installing a supported " - "module.\n"); - goto err_sw_init; - } else if (err) { - e_dev_err("HW Init failed: %d\n", err); - goto err_sw_init; - } - - ixgbe_probe_vf(adapter, ii); - - netdev->features = NETIF_F_SG | - NETIF_F_IP_CSUM | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; - - netdev->features |= NETIF_F_IPV6_CSUM; - netdev->features |= NETIF_F_TSO; - netdev->features |= NETIF_F_TSO6; - netdev->features |= NETIF_F_GRO; - - if (adapter->hw.mac.type == ixgbe_mac_82599EB) - netdev->features |= NETIF_F_SCTP_CSUM; - - netdev->vlan_features |= NETIF_F_TSO; - netdev->vlan_features |= NETIF_F_TSO6; - netdev->vlan_features |= NETIF_F_IP_CSUM; - netdev->vlan_features |= NETIF_F_IPV6_CSUM; - netdev->vlan_features |= NETIF_F_SG; - - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - adapter->flags &= ~(IXGBE_FLAG_RSS_ENABLED | - IXGBE_FLAG_DCB_ENABLED); - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) - adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; - -#ifdef CONFIG_IXGBE_DCB - netdev->dcbnl_ops = &dcbnl_ops; -#endif - -#ifdef IXGBE_FCOE - if (adapter->flags & IXGBE_FLAG_FCOE_CAPABLE) { - if (hw->mac.ops.get_device_caps) { - hw->mac.ops.get_device_caps(hw, &device_caps); - if (device_caps & IXGBE_DEVICE_CAPS_FCOE_OFFLOADS) - adapter->flags &= ~IXGBE_FLAG_FCOE_CAPABLE; - } - } - if (adapter->flags & IXGBE_FLAG_FCOE_CAPABLE) { - netdev->vlan_features |= NETIF_F_FCOE_CRC; - netdev->vlan_features |= NETIF_F_FSO; - netdev->vlan_features |= NETIF_F_FCOE_MTU; - } -#endif /* IXGBE_FCOE */ - if (pci_using_dac) { - netdev->features |= NETIF_F_HIGHDMA; - netdev->vlan_features |= NETIF_F_HIGHDMA; - } - - if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) - netdev->features |= NETIF_F_LRO; - - /* make sure the EEPROM is good */ - if (hw->eeprom.ops.validate_checksum(hw, NULL) < 0) { - e_dev_err("The EEPROM Checksum Is Not Valid\n"); - err = -EIO; - goto err_eeprom; - } - - memcpy(netdev->dev_addr, hw->mac.perm_addr, netdev->addr_len); - memcpy(netdev->perm_addr, hw->mac.perm_addr, netdev->addr_len); - - if (ixgbe_validate_mac_addr(netdev->perm_addr)) { - e_dev_err("invalid MAC address\n"); - err = -EIO; - goto err_eeprom; - } - - /* power down the optics for multispeed fiber and 82599 SFP+ fiber */ - if (hw->mac.ops.disable_tx_laser && - ((hw->phy.multispeed_fiber) || - ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) && - (hw->mac.type == ixgbe_mac_82599EB)))) - hw->mac.ops.disable_tx_laser(hw); - - init_timer(&adapter->watchdog_timer); - adapter->watchdog_timer.function = ixgbe_watchdog; - adapter->watchdog_timer.data = (unsigned long)adapter; - - INIT_WORK(&adapter->reset_task, ixgbe_reset_task); - INIT_WORK(&adapter->watchdog_task, ixgbe_watchdog_task); - - err = ixgbe_init_interrupt_scheme(adapter); - if (err) - goto err_sw_init; - - switch (pdev->device) { - case IXGBE_DEV_ID_82599_SFP: - /* Only this subdevice supports WOL */ - if (pdev->subsystem_device == IXGBE_SUBDEV_ID_82599_SFP) - adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX | - IXGBE_WUFC_MC | IXGBE_WUFC_BC); - break; - case IXGBE_DEV_ID_82599_COMBO_BACKPLANE: - /* All except this subdevice support WOL */ - if (pdev->subsystem_device != IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) - adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX | - IXGBE_WUFC_MC | IXGBE_WUFC_BC); - break; - case IXGBE_DEV_ID_82599_KX4: - adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX | - IXGBE_WUFC_MC | IXGBE_WUFC_BC); - break; - default: - adapter->wol = 0; - break; - } - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - /* pick up the PCI bus settings for reporting later */ - hw->mac.ops.get_bus_info(hw); - - /* print bus type/speed/width info */ - e_dev_info("(PCI Express:%s:%s) %pM\n", - (hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0Gb/s" : - hw->bus.speed == ixgbe_bus_speed_2500 ? "2.5Gb/s" : - "Unknown"), - (hw->bus.width == ixgbe_bus_width_pcie_x8 ? "Width x8" : - hw->bus.width == ixgbe_bus_width_pcie_x4 ? "Width x4" : - hw->bus.width == ixgbe_bus_width_pcie_x1 ? "Width x1" : - "Unknown"), - netdev->dev_addr); - - err = ixgbe_read_pba_string_generic(hw, part_str, IXGBE_PBANUM_LENGTH); - if (err) - strcpy(part_str, "Unknown"); - if (ixgbe_is_sfp(hw) && hw->phy.sfp_type != ixgbe_sfp_type_not_present) - e_dev_info("MAC: %d, PHY: %d, SFP+: %d, PBA No: %s\n", - hw->mac.type, hw->phy.type, hw->phy.sfp_type, - part_str); - else - e_dev_info("MAC: %d, PHY: %d, PBA No: %s\n", - hw->mac.type, hw->phy.type, part_str); - - if (hw->bus.width <= ixgbe_bus_width_pcie_x4) { - e_dev_warn("PCI-Express bandwidth available for this card is " - "not sufficient for optimal performance.\n"); - e_dev_warn("For optimal performance a x8 PCI-Express slot " - "is required.\n"); - } - - /* save off EEPROM version number */ - hw->eeprom.ops.read(hw, 0x29, &adapter->eeprom_version); - - /* reset the hardware with the new settings */ - err = hw->mac.ops.start_hw(hw); - - if (err == IXGBE_ERR_EEPROM_VERSION) { - /* We are running on a pre-production device, log a warning */ - e_dev_warn("This device is a pre-production adapter/LOM. " - "Please be aware there may be issues associated " - "with your hardware. If you are experiencing " - "problems please contact your Intel or hardware " - "representative who provided you with this " - "hardware.\n"); - } - strcpy(netdev->name, "eth%d"); - err = register_netdev(netdev); - if (err) - goto err_register; - - /* carrier off reporting is important to ethtool even BEFORE open */ - netif_carrier_off(netdev); - - if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || - adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) - INIT_WORK(&adapter->fdir_reinit_task, ixgbe_fdir_reinit_task); - - if (adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) - INIT_WORK(&adapter->check_overtemp_task, - ixgbe_check_overtemp_task); -#ifdef CONFIG_IXGBE_DCA - if (dca_add_requester(&pdev->dev) == 0) { - adapter->flags |= IXGBE_FLAG_DCA_ENABLED; - ixgbe_setup_dca(adapter); - } -#endif - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { - e_info(probe, "IOV is enabled with %d VFs\n", adapter->num_vfs); - for (i = 0; i < adapter->num_vfs; i++) - ixgbe_vf_configuration(pdev, (i | 0x10000000)); - } - - /* add san mac addr to netdev */ - ixgbe_add_sanmac_netdev(netdev); - - e_dev_info("Intel(R) 10 Gigabit Network Connection\n"); - cards_found++; - return 0; - -err_register: - ixgbe_release_hw_control(adapter); - ixgbe_clear_interrupt_scheme(adapter); -err_sw_init: -err_eeprom: - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - ixgbe_disable_sriov(adapter); - clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state); - del_timer_sync(&adapter->sfp_timer); - cancel_work_sync(&adapter->sfp_task); - cancel_work_sync(&adapter->multispeed_fiber_task); - cancel_work_sync(&adapter->sfp_config_module_task); - iounmap(hw->hw_addr); -err_ioremap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_selected_regions(pdev, - pci_select_bars(pdev, IORESOURCE_MEM)); -err_pci_reg: -err_dma: - pci_disable_device(pdev); - return err; -} - -/** - * ixgbe_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * ixgbe_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - **/ -static void __devexit ixgbe_remove(struct pci_dev *pdev) -{ - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; - - set_bit(__IXGBE_DOWN, &adapter->state); - /* clear the module not found bit to make sure the worker won't - * reschedule - */ - clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state); - del_timer_sync(&adapter->watchdog_timer); - - del_timer_sync(&adapter->sfp_timer); - cancel_work_sync(&adapter->watchdog_task); - cancel_work_sync(&adapter->sfp_task); - cancel_work_sync(&adapter->multispeed_fiber_task); - cancel_work_sync(&adapter->sfp_config_module_task); - if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || - adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) - cancel_work_sync(&adapter->fdir_reinit_task); - flush_scheduled_work(); - -#ifdef CONFIG_IXGBE_DCA - if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) { - adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED; - dca_remove_requester(&pdev->dev); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_CTRL, 1); - } - -#endif -#ifdef IXGBE_FCOE - if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) - ixgbe_cleanup_fcoe(adapter); - -#endif /* IXGBE_FCOE */ - - /* remove the added san mac */ - ixgbe_del_sanmac_netdev(netdev); - - if (netdev->reg_state == NETREG_REGISTERED) - unregister_netdev(netdev); - - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - ixgbe_disable_sriov(adapter); - - ixgbe_clear_interrupt_scheme(adapter); - - ixgbe_release_hw_control(adapter); - - iounmap(adapter->hw.hw_addr); - pci_release_selected_regions(pdev, pci_select_bars(pdev, - IORESOURCE_MEM)); - - e_dev_info("complete\n"); - - free_netdev(netdev); - - pci_disable_pcie_error_reporting(pdev); - - pci_disable_device(pdev); -} - -/** - * ixgbe_io_error_detected - called when PCI error is detected - * @pdev: Pointer to PCI device - * @state: The current pci connection state - * - * This function is called after a PCI bus error affecting - * this device has been detected. - */ -static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, - pci_channel_state_t state) -{ - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; - - netif_device_detach(netdev); - - if (state == pci_channel_io_perm_failure) - return PCI_ERS_RESULT_DISCONNECT; - - if (netif_running(netdev)) - ixgbe_down(adapter); - pci_disable_device(pdev); - - /* Request a slot reset. */ - return PCI_ERS_RESULT_NEED_RESET; -} - -/** - * ixgbe_io_slot_reset - called after the pci bus has been reset. - * @pdev: Pointer to PCI device - * - * Restart the card from scratch, as if from a cold-boot. - */ -static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev) -{ - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - pci_ers_result_t result; - int err; - - if (pci_enable_device_mem(pdev)) { - e_err(probe, "Cannot re-enable PCI device after reset.\n"); - result = PCI_ERS_RESULT_DISCONNECT; - } else { - pci_set_master(pdev); - pci_restore_state(pdev); - pci_save_state(pdev); - - pci_wake_from_d3(pdev, false); - - ixgbe_reset(adapter); - IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0); - result = PCI_ERS_RESULT_RECOVERED; - } - - err = pci_cleanup_aer_uncorrect_error_status(pdev); - if (err) { - e_dev_err("pci_cleanup_aer_uncorrect_error_status " - "failed 0x%0x\n", err); - /* non-fatal, continue */ - } - - return result; -} - -/** - * ixgbe_io_resume - called when traffic can start flowing again. - * @pdev: Pointer to PCI device - * - * This callback is called when the error recovery driver tells us that - * its OK to resume normal operation. - */ -static void ixgbe_io_resume(struct pci_dev *pdev) -{ - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; - - if (netif_running(netdev)) { - if (ixgbe_up(adapter)) { - e_info(probe, "ixgbe_up failed after reset\n"); - return; - } - } - - netif_device_attach(netdev); -} - -static struct pci_error_handlers ixgbe_err_handler = { - .error_detected = ixgbe_io_error_detected, - .slot_reset = ixgbe_io_slot_reset, - .resume = ixgbe_io_resume, -}; - -static struct pci_driver ixgbe_driver = { - .name = ixgbe_driver_name, - .id_table = ixgbe_pci_tbl, - .probe = ixgbe_probe, - .remove = __devexit_p(ixgbe_remove), -#ifdef CONFIG_PM - .suspend = ixgbe_suspend, - .resume = ixgbe_resume, -#endif - .shutdown = ixgbe_shutdown, - .err_handler = &ixgbe_err_handler -}; - -/** - * ixgbe_init_module - Driver Registration Routine - * - * ixgbe_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - **/ -static int __init ixgbe_init_module(void) -{ - int ret; - pr_info("%s - version %s\n", ixgbe_driver_string, ixgbe_driver_version); - pr_info("%s\n", ixgbe_copyright); - -#ifdef CONFIG_IXGBE_DCA - dca_register_notify(&dca_notifier); -#endif - - ret = pci_register_driver(&ixgbe_driver); - return ret; -} - -module_init(ixgbe_init_module); - -/** - * ixgbe_exit_module - Driver Exit Cleanup Routine - * - * ixgbe_exit_module is called just before the driver is removed - * from memory. - **/ -static void __exit ixgbe_exit_module(void) -{ -#ifdef CONFIG_IXGBE_DCA - dca_unregister_notify(&dca_notifier); -#endif - pci_unregister_driver(&ixgbe_driver); - rcu_barrier(); /* Wait for completion of call_rcu()'s */ -} - -#ifdef CONFIG_IXGBE_DCA -static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event, - void *p) -{ - int ret_val; - - ret_val = driver_for_each_device(&ixgbe_driver.driver, NULL, &event, - __ixgbe_notify_dca); - - return ret_val ? NOTIFY_BAD : NOTIFY_DONE; -} - -#endif /* CONFIG_IXGBE_DCA */ - -/** - * ixgbe_get_hw_dev return device - * used by hardware layer to print debugging information - **/ -struct net_device *ixgbe_get_hw_dev(struct ixgbe_hw *hw) -{ - struct ixgbe_adapter *adapter = hw->back; - return adapter->netdev; -} - -module_exit(ixgbe_exit_module); - -/* ixgbe_main.c */ diff --git a/drivers/net/ixgbe/ixgbe_mbx.c b/drivers/net/ixgbe/ixgbe_mbx.c deleted file mode 100644 index 027c628c3aa..00000000000 --- a/drivers/net/ixgbe/ixgbe_mbx.c +++ /dev/null @@ -1,476 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/pci.h> -#include <linux/delay.h> -#include "ixgbe_type.h" -#include "ixgbe_common.h" -#include "ixgbe_mbx.h" - -/** - * ixgbe_read_mbx - Reads a message from the mailbox - * @hw: pointer to the HW structure - * @msg: The message buffer - * @size: Length of buffer - * @mbx_id: id of mailbox to read - * - * returns SUCCESS if it successfuly read message from buffer - **/ -s32 ixgbe_read_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = IXGBE_ERR_MBX; - - /* limit read to size of mailbox */ - if (size > mbx->size) - size = mbx->size; - - if (mbx->ops.read) - ret_val = mbx->ops.read(hw, msg, size, mbx_id); - - return ret_val; -} - -/** - * ixgbe_write_mbx - Write a message to the mailbox - * @hw: pointer to the HW structure - * @msg: The message buffer - * @size: Length of buffer - * @mbx_id: id of mailbox to write - * - * returns SUCCESS if it successfully copied message into the buffer - **/ -s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = 0; - - if (size > mbx->size) - ret_val = IXGBE_ERR_MBX; - - else if (mbx->ops.write) - ret_val = mbx->ops.write(hw, msg, size, mbx_id); - - return ret_val; -} - -/** - * ixgbe_check_for_msg - checks to see if someone sent us mail - * @hw: pointer to the HW structure - * @mbx_id: id of mailbox to check - * - * returns SUCCESS if the Status bit was found or else ERR_MBX - **/ -s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = IXGBE_ERR_MBX; - - if (mbx->ops.check_for_msg) - ret_val = mbx->ops.check_for_msg(hw, mbx_id); - - return ret_val; -} - -/** - * ixgbe_check_for_ack - checks to see if someone sent us ACK - * @hw: pointer to the HW structure - * @mbx_id: id of mailbox to check - * - * returns SUCCESS if the Status bit was found or else ERR_MBX - **/ -s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = IXGBE_ERR_MBX; - - if (mbx->ops.check_for_ack) - ret_val = mbx->ops.check_for_ack(hw, mbx_id); - - return ret_val; -} - -/** - * ixgbe_check_for_rst - checks to see if other side has reset - * @hw: pointer to the HW structure - * @mbx_id: id of mailbox to check - * - * returns SUCCESS if the Status bit was found or else ERR_MBX - **/ -s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = IXGBE_ERR_MBX; - - if (mbx->ops.check_for_rst) - ret_val = mbx->ops.check_for_rst(hw, mbx_id); - - return ret_val; -} - -/** - * ixgbe_poll_for_msg - Wait for message notification - * @hw: pointer to the HW structure - * @mbx_id: id of mailbox to write - * - * returns SUCCESS if it successfully received a message notification - **/ -static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - int countdown = mbx->timeout; - - if (!countdown || !mbx->ops.check_for_msg) - goto out; - - while (countdown && mbx->ops.check_for_msg(hw, mbx_id)) { - countdown--; - if (!countdown) - break; - udelay(mbx->usec_delay); - } - - /* if we failed, all future posted messages fail until reset */ - if (!countdown) - mbx->timeout = 0; -out: - return countdown ? 0 : IXGBE_ERR_MBX; -} - -/** - * ixgbe_poll_for_ack - Wait for message acknowledgement - * @hw: pointer to the HW structure - * @mbx_id: id of mailbox to write - * - * returns SUCCESS if it successfully received a message acknowledgement - **/ -static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - int countdown = mbx->timeout; - - if (!countdown || !mbx->ops.check_for_ack) - goto out; - - while (countdown && mbx->ops.check_for_ack(hw, mbx_id)) { - countdown--; - if (!countdown) - break; - udelay(mbx->usec_delay); - } - - /* if we failed, all future posted messages fail until reset */ - if (!countdown) - mbx->timeout = 0; -out: - return countdown ? 0 : IXGBE_ERR_MBX; -} - -/** - * ixgbe_read_posted_mbx - Wait for message notification and receive message - * @hw: pointer to the HW structure - * @msg: The message buffer - * @size: Length of buffer - * @mbx_id: id of mailbox to write - * - * returns SUCCESS if it successfully received a message notification and - * copied it into the receive buffer. - **/ -static s32 ixgbe_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, - u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = IXGBE_ERR_MBX; - - if (!mbx->ops.read) - goto out; - - ret_val = ixgbe_poll_for_msg(hw, mbx_id); - - /* if ack received read message, otherwise we timed out */ - if (!ret_val) - ret_val = mbx->ops.read(hw, msg, size, mbx_id); -out: - return ret_val; -} - -/** - * ixgbe_write_posted_mbx - Write a message to the mailbox, wait for ack - * @hw: pointer to the HW structure - * @msg: The message buffer - * @size: Length of buffer - * @mbx_id: id of mailbox to write - * - * returns SUCCESS if it successfully copied message into the buffer and - * received an ack to that message within delay * timeout period - **/ -static s32 ixgbe_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, - u16 mbx_id) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - s32 ret_val = IXGBE_ERR_MBX; - - /* exit if either we can't write or there isn't a defined timeout */ - if (!mbx->ops.write || !mbx->timeout) - goto out; - - /* send msg */ - ret_val = mbx->ops.write(hw, msg, size, mbx_id); - - /* if msg sent wait until we receive an ack */ - if (!ret_val) - ret_val = ixgbe_poll_for_ack(hw, mbx_id); -out: - return ret_val; -} - -static s32 ixgbe_check_for_bit_pf(struct ixgbe_hw *hw, u32 mask, s32 index) -{ - u32 mbvficr = IXGBE_READ_REG(hw, IXGBE_MBVFICR(index)); - s32 ret_val = IXGBE_ERR_MBX; - - if (mbvficr & mask) { - ret_val = 0; - IXGBE_WRITE_REG(hw, IXGBE_MBVFICR(index), mask); - } - - return ret_val; -} - -/** - * ixgbe_check_for_msg_pf - checks to see if the VF has sent mail - * @hw: pointer to the HW structure - * @vf_number: the VF index - * - * returns SUCCESS if the VF has set the Status bit or else ERR_MBX - **/ -static s32 ixgbe_check_for_msg_pf(struct ixgbe_hw *hw, u16 vf_number) -{ - s32 ret_val = IXGBE_ERR_MBX; - s32 index = IXGBE_MBVFICR_INDEX(vf_number); - u32 vf_bit = vf_number % 16; - - if (!ixgbe_check_for_bit_pf(hw, IXGBE_MBVFICR_VFREQ_VF1 << vf_bit, - index)) { - ret_val = 0; - hw->mbx.stats.reqs++; - } - - return ret_val; -} - -/** - * ixgbe_check_for_ack_pf - checks to see if the VF has ACKed - * @hw: pointer to the HW structure - * @vf_number: the VF index - * - * returns SUCCESS if the VF has set the Status bit or else ERR_MBX - **/ -static s32 ixgbe_check_for_ack_pf(struct ixgbe_hw *hw, u16 vf_number) -{ - s32 ret_val = IXGBE_ERR_MBX; - s32 index = IXGBE_MBVFICR_INDEX(vf_number); - u32 vf_bit = vf_number % 16; - - if (!ixgbe_check_for_bit_pf(hw, IXGBE_MBVFICR_VFACK_VF1 << vf_bit, - index)) { - ret_val = 0; - hw->mbx.stats.acks++; - } - - return ret_val; -} - -/** - * ixgbe_check_for_rst_pf - checks to see if the VF has reset - * @hw: pointer to the HW structure - * @vf_number: the VF index - * - * returns SUCCESS if the VF has set the Status bit or else ERR_MBX - **/ -static s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number) -{ - u32 reg_offset = (vf_number < 32) ? 0 : 1; - u32 vf_shift = vf_number % 32; - u32 vflre = 0; - s32 ret_val = IXGBE_ERR_MBX; - - switch (hw->mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - vflre = IXGBE_READ_REG(hw, IXGBE_VFLRE(reg_offset)); - break; - default: - break; - } - - if (vflre & (1 << vf_shift)) { - ret_val = 0; - IXGBE_WRITE_REG(hw, IXGBE_VFLREC(reg_offset), (1 << vf_shift)); - hw->mbx.stats.rsts++; - } - - return ret_val; -} - -/** - * ixgbe_obtain_mbx_lock_pf - obtain mailbox lock - * @hw: pointer to the HW structure - * @vf_number: the VF index - * - * return SUCCESS if we obtained the mailbox lock - **/ -static s32 ixgbe_obtain_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_number) -{ - s32 ret_val = IXGBE_ERR_MBX; - u32 p2v_mailbox; - - /* Take ownership of the buffer */ - IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_PFU); - - /* reserve mailbox for vf use */ - p2v_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_number)); - if (p2v_mailbox & IXGBE_PFMAILBOX_PFU) - ret_val = 0; - - return ret_val; -} - -/** - * ixgbe_write_mbx_pf - Places a message in the mailbox - * @hw: pointer to the HW structure - * @msg: The message buffer - * @size: Length of buffer - * @vf_number: the VF index - * - * returns SUCCESS if it successfully copied message into the buffer - **/ -static s32 ixgbe_write_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size, - u16 vf_number) -{ - s32 ret_val; - u16 i; - - /* lock the mailbox to prevent pf/vf race condition */ - ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_number); - if (ret_val) - goto out_no_write; - - /* flush msg and acks as we are overwriting the message buffer */ - ixgbe_check_for_msg_pf(hw, vf_number); - ixgbe_check_for_ack_pf(hw, vf_number); - - /* copy the caller specified message to the mailbox memory buffer */ - for (i = 0; i < size; i++) - IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_number), i, msg[i]); - - /* Interrupt VF to tell it a message has been sent and release buffer*/ - IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_STS); - - /* update stats */ - hw->mbx.stats.msgs_tx++; - -out_no_write: - return ret_val; - -} - -/** - * ixgbe_read_mbx_pf - Read a message from the mailbox - * @hw: pointer to the HW structure - * @msg: The message buffer - * @size: Length of buffer - * @vf_number: the VF index - * - * This function copies a message from the mailbox buffer to the caller's - * memory buffer. The presumption is that the caller knows that there was - * a message due to a VF request so no polling for message is needed. - **/ -static s32 ixgbe_read_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size, - u16 vf_number) -{ - s32 ret_val; - u16 i; - - /* lock the mailbox to prevent pf/vf race condition */ - ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_number); - if (ret_val) - goto out_no_read; - - /* copy the message to the mailbox memory buffer */ - for (i = 0; i < size; i++) - msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_number), i); - - /* Acknowledge the message and release buffer */ - IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_ACK); - - /* update stats */ - hw->mbx.stats.msgs_rx++; - -out_no_read: - return ret_val; -} - -/** - * ixgbe_init_mbx_params_pf - set initial values for pf mailbox - * @hw: pointer to the HW structure - * - * Initializes the hw->mbx struct to correct values for pf mailbox - */ -void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - - switch (hw->mac.type) { - case ixgbe_mac_82599EB: - case ixgbe_mac_X540: - mbx->timeout = 0; - mbx->usec_delay = 0; - - mbx->size = IXGBE_VFMAILBOX_SIZE; - - mbx->stats.msgs_tx = 0; - mbx->stats.msgs_rx = 0; - mbx->stats.reqs = 0; - mbx->stats.acks = 0; - mbx->stats.rsts = 0; - break; - default: - break; - } -} - -struct ixgbe_mbx_operations mbx_ops_generic = { - .read = ixgbe_read_mbx_pf, - .write = ixgbe_write_mbx_pf, - .read_posted = ixgbe_read_posted_mbx, - .write_posted = ixgbe_write_posted_mbx, - .check_for_msg = ixgbe_check_for_msg_pf, - .check_for_ack = ixgbe_check_for_ack_pf, - .check_for_rst = ixgbe_check_for_rst_pf, -}; - diff --git a/drivers/net/ixgbe/ixgbe_mbx.h b/drivers/net/ixgbe/ixgbe_mbx.h deleted file mode 100644 index 3df9b159021..00000000000 --- a/drivers/net/ixgbe/ixgbe_mbx.h +++ /dev/null @@ -1,93 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _IXGBE_MBX_H_ -#define _IXGBE_MBX_H_ - -#include "ixgbe_type.h" - -#define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ -#define IXGBE_ERR_MBX -100 - -#define IXGBE_VFMAILBOX 0x002FC -#define IXGBE_VFMBMEM 0x00200 - -#define IXGBE_PFMAILBOX(x) (0x04B00 + (4 * x)) -#define IXGBE_PFMBMEM(vfn) (0x13000 + (64 * vfn)) - -#define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */ -#define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ -#define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ -#define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ -#define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ - -#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */ -#define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ -#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */ -#define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ - - -/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the - * PF. The reverse is true if it is IXGBE_PF_*. - * Message ACK's are the value or'd with 0xF0000000 - */ -#define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with - * this are the ACK */ -#define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with - * this are the NACK */ -#define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still - clear to send requests */ -#define IXGBE_VT_MSGINFO_SHIFT 16 -/* bits 23:16 are used for exra info for certain messages */ -#define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT) - -#define IXGBE_VF_RESET 0x01 /* VF requests reset */ -#define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ -#define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ -#define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ -#define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ - -/* length of permanent address message returned from PF */ -#define IXGBE_VF_PERMADDR_MSG_LEN 4 -/* word in permanent address message with the current multicast type */ -#define IXGBE_VF_MC_TYPE_WORD 3 - -#define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */ - -#define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */ -#define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */ - -s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16); -s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); -s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16); -s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16); -s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16); -void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); - -extern struct ixgbe_mbx_operations mbx_ops_generic; - -#endif /* _IXGBE_MBX_H_ */ diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c deleted file mode 100644 index c445fbce56e..00000000000 --- a/drivers/net/ixgbe/ixgbe_phy.c +++ /dev/null @@ -1,1456 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/sched.h> - -#include "ixgbe_common.h" -#include "ixgbe_phy.h" - -static void ixgbe_i2c_start(struct ixgbe_hw *hw); -static void ixgbe_i2c_stop(struct ixgbe_hw *hw); -static s32 ixgbe_clock_in_i2c_byte(struct ixgbe_hw *hw, u8 *data); -static s32 ixgbe_clock_out_i2c_byte(struct ixgbe_hw *hw, u8 data); -static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw); -static s32 ixgbe_clock_in_i2c_bit(struct ixgbe_hw *hw, bool *data); -static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data); -static s32 ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl); -static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl); -static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data); -static bool ixgbe_get_i2c_data(u32 *i2cctl); -static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw); -static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id); -static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw); - -/** - * ixgbe_identify_phy_generic - Get physical layer module - * @hw: pointer to hardware structure - * - * Determines the physical layer module found on the current adapter. - **/ -s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw) -{ - s32 status = IXGBE_ERR_PHY_ADDR_INVALID; - u32 phy_addr; - - if (hw->phy.type == ixgbe_phy_unknown) { - for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) { - hw->phy.mdio.prtad = phy_addr; - if (mdio45_probe(&hw->phy.mdio, phy_addr) == 0) { - ixgbe_get_phy_id(hw); - hw->phy.type = - ixgbe_get_phy_type_from_id(hw->phy.id); - status = 0; - break; - } - } - /* clear value if nothing found */ - hw->phy.mdio.prtad = 0; - } else { - status = 0; - } - - return status; -} - -/** - * ixgbe_get_phy_id - Get the phy type - * @hw: pointer to hardware structure - * - **/ -static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw) -{ - u32 status; - u16 phy_id_high = 0; - u16 phy_id_low = 0; - - status = hw->phy.ops.read_reg(hw, MDIO_DEVID1, MDIO_MMD_PMAPMD, - &phy_id_high); - - if (status == 0) { - hw->phy.id = (u32)(phy_id_high << 16); - status = hw->phy.ops.read_reg(hw, MDIO_DEVID2, MDIO_MMD_PMAPMD, - &phy_id_low); - hw->phy.id |= (u32)(phy_id_low & IXGBE_PHY_REVISION_MASK); - hw->phy.revision = (u32)(phy_id_low & ~IXGBE_PHY_REVISION_MASK); - } - return status; -} - -/** - * ixgbe_get_phy_type_from_id - Get the phy type - * @hw: pointer to hardware structure - * - **/ -static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id) -{ - enum ixgbe_phy_type phy_type; - - switch (phy_id) { - case TN1010_PHY_ID: - phy_type = ixgbe_phy_tn; - break; - case AQ1202_PHY_ID: - phy_type = ixgbe_phy_aq; - break; - case QT2022_PHY_ID: - phy_type = ixgbe_phy_qt; - break; - case ATH_PHY_ID: - phy_type = ixgbe_phy_nl; - break; - default: - phy_type = ixgbe_phy_unknown; - break; - } - - return phy_type; -} - -/** - * ixgbe_reset_phy_generic - Performs a PHY reset - * @hw: pointer to hardware structure - **/ -s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw) -{ - /* Don't reset PHY if it's shut down due to overtemp. */ - if (!hw->phy.reset_if_overtemp && - (IXGBE_ERR_OVERTEMP == hw->phy.ops.check_overtemp(hw))) - return 0; - - /* - * Perform soft PHY reset to the PHY_XS. - * This will cause a soft reset to the PHY - */ - return hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS, - MDIO_CTRL1_RESET); -} - -/** - * ixgbe_read_phy_reg_generic - Reads a value from a specified PHY register - * @hw: pointer to hardware structure - * @reg_addr: 32 bit address of PHY register to read - * @phy_data: Pointer to read data from PHY register - **/ -s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, - u32 device_type, u16 *phy_data) -{ - u32 command; - u32 i; - u32 data; - s32 status = 0; - u16 gssr; - - if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1) - gssr = IXGBE_GSSR_PHY1_SM; - else - gssr = IXGBE_GSSR_PHY0_SM; - - if (ixgbe_acquire_swfw_sync(hw, gssr) != 0) - status = IXGBE_ERR_SWFW_SYNC; - - if (status == 0) { - /* Setup and write the address cycle command */ - command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) | - (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) | - (hw->phy.mdio.prtad << IXGBE_MSCA_PHY_ADDR_SHIFT) | - (IXGBE_MSCA_ADDR_CYCLE | IXGBE_MSCA_MDI_COMMAND)); - - IXGBE_WRITE_REG(hw, IXGBE_MSCA, command); - - /* - * Check every 10 usec to see if the address cycle completed. - * The MDI Command bit will clear when the operation is - * complete - */ - for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) { - udelay(10); - - command = IXGBE_READ_REG(hw, IXGBE_MSCA); - - if ((command & IXGBE_MSCA_MDI_COMMAND) == 0) - break; - } - - if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) { - hw_dbg(hw, "PHY address command did not complete.\n"); - status = IXGBE_ERR_PHY; - } - - if (status == 0) { - /* - * Address cycle complete, setup and write the read - * command - */ - command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) | - (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) | - (hw->phy.mdio.prtad << - IXGBE_MSCA_PHY_ADDR_SHIFT) | - (IXGBE_MSCA_READ | IXGBE_MSCA_MDI_COMMAND)); - - IXGBE_WRITE_REG(hw, IXGBE_MSCA, command); - - /* - * Check every 10 usec to see if the address cycle - * completed. The MDI Command bit will clear when the - * operation is complete - */ - for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) { - udelay(10); - - command = IXGBE_READ_REG(hw, IXGBE_MSCA); - - if ((command & IXGBE_MSCA_MDI_COMMAND) == 0) - break; - } - - if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) { - hw_dbg(hw, "PHY read command didn't complete\n"); - status = IXGBE_ERR_PHY; - } else { - /* - * Read operation is complete. Get the data - * from MSRWD - */ - data = IXGBE_READ_REG(hw, IXGBE_MSRWD); - data >>= IXGBE_MSRWD_READ_DATA_SHIFT; - *phy_data = (u16)(data); - } - } - - ixgbe_release_swfw_sync(hw, gssr); - } - - return status; -} - -/** - * ixgbe_write_phy_reg_generic - Writes a value to specified PHY register - * @hw: pointer to hardware structure - * @reg_addr: 32 bit PHY register to write - * @device_type: 5 bit device type - * @phy_data: Data to write to the PHY register - **/ -s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, - u32 device_type, u16 phy_data) -{ - u32 command; - u32 i; - s32 status = 0; - u16 gssr; - - if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1) - gssr = IXGBE_GSSR_PHY1_SM; - else - gssr = IXGBE_GSSR_PHY0_SM; - - if (ixgbe_acquire_swfw_sync(hw, gssr) != 0) - status = IXGBE_ERR_SWFW_SYNC; - - if (status == 0) { - /* Put the data in the MDI single read and write data register*/ - IXGBE_WRITE_REG(hw, IXGBE_MSRWD, (u32)phy_data); - - /* Setup and write the address cycle command */ - command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) | - (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) | - (hw->phy.mdio.prtad << IXGBE_MSCA_PHY_ADDR_SHIFT) | - (IXGBE_MSCA_ADDR_CYCLE | IXGBE_MSCA_MDI_COMMAND)); - - IXGBE_WRITE_REG(hw, IXGBE_MSCA, command); - - /* - * Check every 10 usec to see if the address cycle completed. - * The MDI Command bit will clear when the operation is - * complete - */ - for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) { - udelay(10); - - command = IXGBE_READ_REG(hw, IXGBE_MSCA); - - if ((command & IXGBE_MSCA_MDI_COMMAND) == 0) - break; - } - - if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) { - hw_dbg(hw, "PHY address cmd didn't complete\n"); - status = IXGBE_ERR_PHY; - } - - if (status == 0) { - /* - * Address cycle complete, setup and write the write - * command - */ - command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) | - (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) | - (hw->phy.mdio.prtad << - IXGBE_MSCA_PHY_ADDR_SHIFT) | - (IXGBE_MSCA_WRITE | IXGBE_MSCA_MDI_COMMAND)); - - IXGBE_WRITE_REG(hw, IXGBE_MSCA, command); - - /* - * Check every 10 usec to see if the address cycle - * completed. The MDI Command bit will clear when the - * operation is complete - */ - for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) { - udelay(10); - - command = IXGBE_READ_REG(hw, IXGBE_MSCA); - - if ((command & IXGBE_MSCA_MDI_COMMAND) == 0) - break; - } - - if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) { - hw_dbg(hw, "PHY address cmd didn't complete\n"); - status = IXGBE_ERR_PHY; - } - } - - ixgbe_release_swfw_sync(hw, gssr); - } - - return status; -} - -/** - * ixgbe_setup_phy_link_generic - Set and restart autoneg - * @hw: pointer to hardware structure - * - * Restart autonegotiation and PHY and waits for completion. - **/ -s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw) -{ - s32 status = IXGBE_NOT_IMPLEMENTED; - u32 time_out; - u32 max_time_out = 10; - u16 autoneg_reg; - - /* - * Set advertisement settings in PHY based on autoneg_advertised - * settings. If autoneg_advertised = 0, then advertise default values - * tnx devices cannot be "forced" to a autoneg 10G and fail. But can - * for a 1G. - */ - hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, &autoneg_reg); - - if (hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_1GB_FULL) - autoneg_reg &= ~MDIO_AN_10GBT_CTRL_ADV10G; - else - autoneg_reg |= MDIO_AN_10GBT_CTRL_ADV10G; - - hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, autoneg_reg); - - /* Restart PHY autonegotiation and wait for completion */ - hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, &autoneg_reg); - - autoneg_reg |= MDIO_AN_CTRL1_RESTART; - - hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, autoneg_reg); - - /* Wait for autonegotiation to finish */ - for (time_out = 0; time_out < max_time_out; time_out++) { - udelay(10); - /* Restart PHY autonegotiation and wait for completion */ - status = hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, - &autoneg_reg); - - autoneg_reg &= MDIO_AN_STAT1_COMPLETE; - if (autoneg_reg == MDIO_AN_STAT1_COMPLETE) { - status = 0; - break; - } - } - - if (time_out == max_time_out) - status = IXGBE_ERR_LINK_SETUP; - - return status; -} - -/** - * ixgbe_setup_phy_link_speed_generic - Sets the auto advertised capabilities - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if autonegotiation enabled - **/ -s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete) -{ - - /* - * Clear autoneg_advertised and set new values based on input link - * speed. - */ - hw->phy.autoneg_advertised = 0; - - if (speed & IXGBE_LINK_SPEED_10GB_FULL) - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL; - - if (speed & IXGBE_LINK_SPEED_1GB_FULL) - hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL; - - /* Setup link based on the new speed settings */ - hw->phy.ops.setup_link(hw); - - return 0; -} - -/** - * ixgbe_get_copper_link_capabilities_generic - Determines link capabilities - * @hw: pointer to hardware structure - * @speed: pointer to link speed - * @autoneg: boolean auto-negotiation value - * - * Determines the link capabilities by reading the AUTOC register. - */ -s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, - bool *autoneg) -{ - s32 status = IXGBE_ERR_LINK_SETUP; - u16 speed_ability; - - *speed = 0; - *autoneg = true; - - status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD, - &speed_ability); - - if (status == 0) { - if (speed_ability & MDIO_SPEED_10G) - *speed |= IXGBE_LINK_SPEED_10GB_FULL; - if (speed_ability & MDIO_PMA_SPEED_1000) - *speed |= IXGBE_LINK_SPEED_1GB_FULL; - if (speed_ability & MDIO_PMA_SPEED_100) - *speed |= IXGBE_LINK_SPEED_100_FULL; - } - - return status; -} - -/** - * ixgbe_reset_phy_nl - Performs a PHY reset - * @hw: pointer to hardware structure - **/ -s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw) -{ - u16 phy_offset, control, eword, edata, block_crc; - bool end_data = false; - u16 list_offset, data_offset; - u16 phy_data = 0; - s32 ret_val = 0; - u32 i; - - hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS, &phy_data); - - /* reset the PHY and poll for completion */ - hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS, - (phy_data | MDIO_CTRL1_RESET)); - - for (i = 0; i < 100; i++) { - hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS, - &phy_data); - if ((phy_data & MDIO_CTRL1_RESET) == 0) - break; - msleep(10); - } - - if ((phy_data & MDIO_CTRL1_RESET) != 0) { - hw_dbg(hw, "PHY reset did not complete.\n"); - ret_val = IXGBE_ERR_PHY; - goto out; - } - - /* Get init offsets */ - ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset, - &data_offset); - if (ret_val != 0) - goto out; - - ret_val = hw->eeprom.ops.read(hw, data_offset, &block_crc); - data_offset++; - while (!end_data) { - /* - * Read control word from PHY init contents offset - */ - ret_val = hw->eeprom.ops.read(hw, data_offset, &eword); - control = (eword & IXGBE_CONTROL_MASK_NL) >> - IXGBE_CONTROL_SHIFT_NL; - edata = eword & IXGBE_DATA_MASK_NL; - switch (control) { - case IXGBE_DELAY_NL: - data_offset++; - hw_dbg(hw, "DELAY: %d MS\n", edata); - msleep(edata); - break; - case IXGBE_DATA_NL: - hw_dbg(hw, "DATA:\n"); - data_offset++; - hw->eeprom.ops.read(hw, data_offset++, - &phy_offset); - for (i = 0; i < edata; i++) { - hw->eeprom.ops.read(hw, data_offset, &eword); - hw->phy.ops.write_reg(hw, phy_offset, - MDIO_MMD_PMAPMD, eword); - hw_dbg(hw, "Wrote %4.4x to %4.4x\n", eword, - phy_offset); - data_offset++; - phy_offset++; - } - break; - case IXGBE_CONTROL_NL: - data_offset++; - hw_dbg(hw, "CONTROL:\n"); - if (edata == IXGBE_CONTROL_EOL_NL) { - hw_dbg(hw, "EOL\n"); - end_data = true; - } else if (edata == IXGBE_CONTROL_SOL_NL) { - hw_dbg(hw, "SOL\n"); - } else { - hw_dbg(hw, "Bad control value\n"); - ret_val = IXGBE_ERR_PHY; - goto out; - } - break; - default: - hw_dbg(hw, "Bad control type\n"); - ret_val = IXGBE_ERR_PHY; - goto out; - } - } - -out: - return ret_val; -} - -/** - * ixgbe_identify_sfp_module_generic - Identifies SFP module and assigns - * the PHY type. - * @hw: pointer to hardware structure - * - * Searches for and indentifies the SFP module. Assings appropriate PHY type. - **/ -s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw) -{ - s32 status = IXGBE_ERR_PHY_ADDR_INVALID; - u32 vendor_oui = 0; - enum ixgbe_sfp_type stored_sfp_type = hw->phy.sfp_type; - u8 identifier = 0; - u8 comp_codes_1g = 0; - u8 comp_codes_10g = 0; - u8 oui_bytes[3] = {0, 0, 0}; - u8 cable_tech = 0; - u8 cable_spec = 0; - u16 enforce_sfp = 0; - - if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_fiber) { - hw->phy.sfp_type = ixgbe_sfp_type_not_present; - status = IXGBE_ERR_SFP_NOT_PRESENT; - goto out; - } - - status = hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_IDENTIFIER, - &identifier); - - if (status == IXGBE_ERR_SFP_NOT_PRESENT || status == IXGBE_ERR_I2C) { - status = IXGBE_ERR_SFP_NOT_PRESENT; - hw->phy.sfp_type = ixgbe_sfp_type_not_present; - if (hw->phy.type != ixgbe_phy_nl) { - hw->phy.id = 0; - hw->phy.type = ixgbe_phy_unknown; - } - goto out; - } - - if (identifier == IXGBE_SFF_IDENTIFIER_SFP) { - hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_1GBE_COMP_CODES, - &comp_codes_1g); - hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_10GBE_COMP_CODES, - &comp_codes_10g); - hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_CABLE_TECHNOLOGY, - &cable_tech); - - /* ID Module - * ========= - * 0 SFP_DA_CU - * 1 SFP_SR - * 2 SFP_LR - * 3 SFP_DA_CORE0 - 82599-specific - * 4 SFP_DA_CORE1 - 82599-specific - * 5 SFP_SR/LR_CORE0 - 82599-specific - * 6 SFP_SR/LR_CORE1 - 82599-specific - * 7 SFP_act_lmt_DA_CORE0 - 82599-specific - * 8 SFP_act_lmt_DA_CORE1 - 82599-specific - * 9 SFP_1g_cu_CORE0 - 82599-specific - * 10 SFP_1g_cu_CORE1 - 82599-specific - */ - if (hw->mac.type == ixgbe_mac_82598EB) { - if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) - hw->phy.sfp_type = ixgbe_sfp_type_da_cu; - else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE) - hw->phy.sfp_type = ixgbe_sfp_type_sr; - else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE) - hw->phy.sfp_type = ixgbe_sfp_type_lr; - else - hw->phy.sfp_type = ixgbe_sfp_type_unknown; - } else if (hw->mac.type == ixgbe_mac_82599EB) { - if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) { - if (hw->bus.lan_id == 0) - hw->phy.sfp_type = - ixgbe_sfp_type_da_cu_core0; - else - hw->phy.sfp_type = - ixgbe_sfp_type_da_cu_core1; - } else if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE) { - hw->phy.ops.read_i2c_eeprom( - hw, IXGBE_SFF_CABLE_SPEC_COMP, - &cable_spec); - if (cable_spec & - IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING) { - if (hw->bus.lan_id == 0) - hw->phy.sfp_type = - ixgbe_sfp_type_da_act_lmt_core0; - else - hw->phy.sfp_type = - ixgbe_sfp_type_da_act_lmt_core1; - } else { - hw->phy.sfp_type = - ixgbe_sfp_type_unknown; - } - } else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE) - if (hw->bus.lan_id == 0) - hw->phy.sfp_type = - ixgbe_sfp_type_srlr_core0; - else - hw->phy.sfp_type = - ixgbe_sfp_type_srlr_core1; - else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE) - if (hw->bus.lan_id == 0) - hw->phy.sfp_type = - ixgbe_sfp_type_srlr_core0; - else - hw->phy.sfp_type = - ixgbe_sfp_type_srlr_core1; - else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE) - if (hw->bus.lan_id == 0) - hw->phy.sfp_type = - ixgbe_sfp_type_1g_cu_core0; - else - hw->phy.sfp_type = - ixgbe_sfp_type_1g_cu_core1; - else - hw->phy.sfp_type = ixgbe_sfp_type_unknown; - } - - if (hw->phy.sfp_type != stored_sfp_type) - hw->phy.sfp_setup_needed = true; - - /* Determine if the SFP+ PHY is dual speed or not. */ - hw->phy.multispeed_fiber = false; - if (((comp_codes_1g & IXGBE_SFF_1GBASESX_CAPABLE) && - (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)) || - ((comp_codes_1g & IXGBE_SFF_1GBASELX_CAPABLE) && - (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE))) - hw->phy.multispeed_fiber = true; - - /* Determine PHY vendor */ - if (hw->phy.type != ixgbe_phy_nl) { - hw->phy.id = identifier; - hw->phy.ops.read_i2c_eeprom(hw, - IXGBE_SFF_VENDOR_OUI_BYTE0, - &oui_bytes[0]); - hw->phy.ops.read_i2c_eeprom(hw, - IXGBE_SFF_VENDOR_OUI_BYTE1, - &oui_bytes[1]); - hw->phy.ops.read_i2c_eeprom(hw, - IXGBE_SFF_VENDOR_OUI_BYTE2, - &oui_bytes[2]); - - vendor_oui = - ((oui_bytes[0] << IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT) | - (oui_bytes[1] << IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT) | - (oui_bytes[2] << IXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT)); - - switch (vendor_oui) { - case IXGBE_SFF_VENDOR_OUI_TYCO: - if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) - hw->phy.type = - ixgbe_phy_sfp_passive_tyco; - break; - case IXGBE_SFF_VENDOR_OUI_FTL: - if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE) - hw->phy.type = ixgbe_phy_sfp_ftl_active; - else - hw->phy.type = ixgbe_phy_sfp_ftl; - break; - case IXGBE_SFF_VENDOR_OUI_AVAGO: - hw->phy.type = ixgbe_phy_sfp_avago; - break; - case IXGBE_SFF_VENDOR_OUI_INTEL: - hw->phy.type = ixgbe_phy_sfp_intel; - break; - default: - if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) - hw->phy.type = - ixgbe_phy_sfp_passive_unknown; - else if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE) - hw->phy.type = - ixgbe_phy_sfp_active_unknown; - else - hw->phy.type = ixgbe_phy_sfp_unknown; - break; - } - } - - /* All passive DA cables are supported */ - if (cable_tech & (IXGBE_SFF_DA_PASSIVE_CABLE | - IXGBE_SFF_DA_ACTIVE_CABLE)) { - status = 0; - goto out; - } - - /* Verify supported 1G SFP modules */ - if (comp_codes_10g == 0 && - !(hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1 || - hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0)) { - hw->phy.type = ixgbe_phy_sfp_unsupported; - status = IXGBE_ERR_SFP_NOT_SUPPORTED; - goto out; - } - - /* Anything else 82598-based is supported */ - if (hw->mac.type == ixgbe_mac_82598EB) { - status = 0; - goto out; - } - - /* This is guaranteed to be 82599, no need to check for NULL */ - hw->mac.ops.get_device_caps(hw, &enforce_sfp); - if (!(enforce_sfp & IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP) && - !((hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0) || - (hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1))) { - /* Make sure we're a supported PHY type */ - if (hw->phy.type == ixgbe_phy_sfp_intel) { - status = 0; - } else { - hw_dbg(hw, "SFP+ module not supported\n"); - hw->phy.type = ixgbe_phy_sfp_unsupported; - status = IXGBE_ERR_SFP_NOT_SUPPORTED; - } - } else { - status = 0; - } - } - -out: - return status; -} - -/** - * ixgbe_get_sfp_init_sequence_offsets - Checks the MAC's EEPROM to see - * if it supports a given SFP+ module type, if so it returns the offsets to the - * phy init sequence block. - * @hw: pointer to hardware structure - * @list_offset: offset to the SFP ID list - * @data_offset: offset to the SFP data block - **/ -s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw, - u16 *list_offset, - u16 *data_offset) -{ - u16 sfp_id; - u16 sfp_type = hw->phy.sfp_type; - - if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) - return IXGBE_ERR_SFP_NOT_SUPPORTED; - - if (hw->phy.sfp_type == ixgbe_sfp_type_not_present) - return IXGBE_ERR_SFP_NOT_PRESENT; - - if ((hw->device_id == IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM) && - (hw->phy.sfp_type == ixgbe_sfp_type_da_cu)) - return IXGBE_ERR_SFP_NOT_SUPPORTED; - - /* - * Limiting active cables and 1G Phys must be initialized as - * SR modules - */ - if (sfp_type == ixgbe_sfp_type_da_act_lmt_core0 || - sfp_type == ixgbe_sfp_type_1g_cu_core0) - sfp_type = ixgbe_sfp_type_srlr_core0; - else if (sfp_type == ixgbe_sfp_type_da_act_lmt_core1 || - sfp_type == ixgbe_sfp_type_1g_cu_core1) - sfp_type = ixgbe_sfp_type_srlr_core1; - - /* Read offset to PHY init contents */ - hw->eeprom.ops.read(hw, IXGBE_PHY_INIT_OFFSET_NL, list_offset); - - if ((!*list_offset) || (*list_offset == 0xFFFF)) - return IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT; - - /* Shift offset to first ID word */ - (*list_offset)++; - - /* - * Find the matching SFP ID in the EEPROM - * and program the init sequence - */ - hw->eeprom.ops.read(hw, *list_offset, &sfp_id); - - while (sfp_id != IXGBE_PHY_INIT_END_NL) { - if (sfp_id == sfp_type) { - (*list_offset)++; - hw->eeprom.ops.read(hw, *list_offset, data_offset); - if ((!*data_offset) || (*data_offset == 0xFFFF)) { - hw_dbg(hw, "SFP+ module not supported\n"); - return IXGBE_ERR_SFP_NOT_SUPPORTED; - } else { - break; - } - } else { - (*list_offset) += 2; - if (hw->eeprom.ops.read(hw, *list_offset, &sfp_id)) - return IXGBE_ERR_PHY; - } - } - - if (sfp_id == IXGBE_PHY_INIT_END_NL) { - hw_dbg(hw, "No matching SFP+ module found\n"); - return IXGBE_ERR_SFP_NOT_SUPPORTED; - } - - return 0; -} - -/** - * ixgbe_read_i2c_eeprom_generic - Reads 8 bit EEPROM word over I2C interface - * @hw: pointer to hardware structure - * @byte_offset: EEPROM byte offset to read - * @eeprom_data: value read - * - * Performs byte read operation to SFP module's EEPROM over I2C interface. - **/ -s32 ixgbe_read_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 *eeprom_data) -{ - return hw->phy.ops.read_i2c_byte(hw, byte_offset, - IXGBE_I2C_EEPROM_DEV_ADDR, - eeprom_data); -} - -/** - * ixgbe_write_i2c_eeprom_generic - Writes 8 bit EEPROM word over I2C interface - * @hw: pointer to hardware structure - * @byte_offset: EEPROM byte offset to write - * @eeprom_data: value to write - * - * Performs byte write operation to SFP module's EEPROM over I2C interface. - **/ -s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 eeprom_data) -{ - return hw->phy.ops.write_i2c_byte(hw, byte_offset, - IXGBE_I2C_EEPROM_DEV_ADDR, - eeprom_data); -} - -/** - * ixgbe_read_i2c_byte_generic - Reads 8 bit word over I2C - * @hw: pointer to hardware structure - * @byte_offset: byte offset to read - * @data: value read - * - * Performs byte read operation to SFP module's EEPROM over I2C interface at - * a specified deivce address. - **/ -s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 dev_addr, u8 *data) -{ - s32 status = 0; - u32 max_retry = 1; - u32 retry = 0; - bool nack = 1; - - do { - ixgbe_i2c_start(hw); - - /* Device Address and write indication */ - status = ixgbe_clock_out_i2c_byte(hw, dev_addr); - if (status != 0) - goto fail; - - status = ixgbe_get_i2c_ack(hw); - if (status != 0) - goto fail; - - status = ixgbe_clock_out_i2c_byte(hw, byte_offset); - if (status != 0) - goto fail; - - status = ixgbe_get_i2c_ack(hw); - if (status != 0) - goto fail; - - ixgbe_i2c_start(hw); - - /* Device Address and read indication */ - status = ixgbe_clock_out_i2c_byte(hw, (dev_addr | 0x1)); - if (status != 0) - goto fail; - - status = ixgbe_get_i2c_ack(hw); - if (status != 0) - goto fail; - - status = ixgbe_clock_in_i2c_byte(hw, data); - if (status != 0) - goto fail; - - status = ixgbe_clock_out_i2c_bit(hw, nack); - if (status != 0) - goto fail; - - ixgbe_i2c_stop(hw); - break; - -fail: - ixgbe_i2c_bus_clear(hw); - retry++; - if (retry < max_retry) - hw_dbg(hw, "I2C byte read error - Retrying.\n"); - else - hw_dbg(hw, "I2C byte read error.\n"); - - } while (retry < max_retry); - - return status; -} - -/** - * ixgbe_write_i2c_byte_generic - Writes 8 bit word over I2C - * @hw: pointer to hardware structure - * @byte_offset: byte offset to write - * @data: value to write - * - * Performs byte write operation to SFP module's EEPROM over I2C interface at - * a specified device address. - **/ -s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 dev_addr, u8 data) -{ - s32 status = 0; - u32 max_retry = 1; - u32 retry = 0; - - do { - ixgbe_i2c_start(hw); - - status = ixgbe_clock_out_i2c_byte(hw, dev_addr); - if (status != 0) - goto fail; - - status = ixgbe_get_i2c_ack(hw); - if (status != 0) - goto fail; - - status = ixgbe_clock_out_i2c_byte(hw, byte_offset); - if (status != 0) - goto fail; - - status = ixgbe_get_i2c_ack(hw); - if (status != 0) - goto fail; - - status = ixgbe_clock_out_i2c_byte(hw, data); - if (status != 0) - goto fail; - - status = ixgbe_get_i2c_ack(hw); - if (status != 0) - goto fail; - - ixgbe_i2c_stop(hw); - break; - -fail: - ixgbe_i2c_bus_clear(hw); - retry++; - if (retry < max_retry) - hw_dbg(hw, "I2C byte write error - Retrying.\n"); - else - hw_dbg(hw, "I2C byte write error.\n"); - } while (retry < max_retry); - - return status; -} - -/** - * ixgbe_i2c_start - Sets I2C start condition - * @hw: pointer to hardware structure - * - * Sets I2C start condition (High -> Low on SDA while SCL is High) - **/ -static void ixgbe_i2c_start(struct ixgbe_hw *hw) -{ - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - - /* Start condition must begin with data and clock high */ - ixgbe_set_i2c_data(hw, &i2cctl, 1); - ixgbe_raise_i2c_clk(hw, &i2cctl); - - /* Setup time for start condition (4.7us) */ - udelay(IXGBE_I2C_T_SU_STA); - - ixgbe_set_i2c_data(hw, &i2cctl, 0); - - /* Hold time for start condition (4us) */ - udelay(IXGBE_I2C_T_HD_STA); - - ixgbe_lower_i2c_clk(hw, &i2cctl); - - /* Minimum low period of clock is 4.7 us */ - udelay(IXGBE_I2C_T_LOW); - -} - -/** - * ixgbe_i2c_stop - Sets I2C stop condition - * @hw: pointer to hardware structure - * - * Sets I2C stop condition (Low -> High on SDA while SCL is High) - **/ -static void ixgbe_i2c_stop(struct ixgbe_hw *hw) -{ - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - - /* Stop condition must begin with data low and clock high */ - ixgbe_set_i2c_data(hw, &i2cctl, 0); - ixgbe_raise_i2c_clk(hw, &i2cctl); - - /* Setup time for stop condition (4us) */ - udelay(IXGBE_I2C_T_SU_STO); - - ixgbe_set_i2c_data(hw, &i2cctl, 1); - - /* bus free time between stop and start (4.7us)*/ - udelay(IXGBE_I2C_T_BUF); -} - -/** - * ixgbe_clock_in_i2c_byte - Clocks in one byte via I2C - * @hw: pointer to hardware structure - * @data: data byte to clock in - * - * Clocks in one byte data via I2C data/clock - **/ -static s32 ixgbe_clock_in_i2c_byte(struct ixgbe_hw *hw, u8 *data) -{ - s32 status = 0; - s32 i; - bool bit = 0; - - for (i = 7; i >= 0; i--) { - status = ixgbe_clock_in_i2c_bit(hw, &bit); - *data |= bit << i; - - if (status != 0) - break; - } - - return status; -} - -/** - * ixgbe_clock_out_i2c_byte - Clocks out one byte via I2C - * @hw: pointer to hardware structure - * @data: data byte clocked out - * - * Clocks out one byte data via I2C data/clock - **/ -static s32 ixgbe_clock_out_i2c_byte(struct ixgbe_hw *hw, u8 data) -{ - s32 status = 0; - s32 i; - u32 i2cctl; - bool bit = 0; - - for (i = 7; i >= 0; i--) { - bit = (data >> i) & 0x1; - status = ixgbe_clock_out_i2c_bit(hw, bit); - - if (status != 0) - break; - } - - /* Release SDA line (set high) */ - i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - i2cctl |= IXGBE_I2C_DATA_OUT; - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, i2cctl); - - return status; -} - -/** - * ixgbe_get_i2c_ack - Polls for I2C ACK - * @hw: pointer to hardware structure - * - * Clocks in/out one bit via I2C data/clock - **/ -static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw) -{ - s32 status; - u32 i = 0; - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - u32 timeout = 10; - bool ack = 1; - - status = ixgbe_raise_i2c_clk(hw, &i2cctl); - - if (status != 0) - goto out; - - /* Minimum high period of clock is 4us */ - udelay(IXGBE_I2C_T_HIGH); - - /* Poll for ACK. Note that ACK in I2C spec is - * transition from 1 to 0 */ - for (i = 0; i < timeout; i++) { - i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - ack = ixgbe_get_i2c_data(&i2cctl); - - udelay(1); - if (ack == 0) - break; - } - - if (ack == 1) { - hw_dbg(hw, "I2C ack was not received.\n"); - status = IXGBE_ERR_I2C; - } - - ixgbe_lower_i2c_clk(hw, &i2cctl); - - /* Minimum low period of clock is 4.7 us */ - udelay(IXGBE_I2C_T_LOW); - -out: - return status; -} - -/** - * ixgbe_clock_in_i2c_bit - Clocks in one bit via I2C data/clock - * @hw: pointer to hardware structure - * @data: read data value - * - * Clocks in one bit via I2C data/clock - **/ -static s32 ixgbe_clock_in_i2c_bit(struct ixgbe_hw *hw, bool *data) -{ - s32 status; - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - - status = ixgbe_raise_i2c_clk(hw, &i2cctl); - - /* Minimum high period of clock is 4us */ - udelay(IXGBE_I2C_T_HIGH); - - i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - *data = ixgbe_get_i2c_data(&i2cctl); - - ixgbe_lower_i2c_clk(hw, &i2cctl); - - /* Minimum low period of clock is 4.7 us */ - udelay(IXGBE_I2C_T_LOW); - - return status; -} - -/** - * ixgbe_clock_out_i2c_bit - Clocks in/out one bit via I2C data/clock - * @hw: pointer to hardware structure - * @data: data value to write - * - * Clocks out one bit via I2C data/clock - **/ -static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data) -{ - s32 status; - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - - status = ixgbe_set_i2c_data(hw, &i2cctl, data); - if (status == 0) { - status = ixgbe_raise_i2c_clk(hw, &i2cctl); - - /* Minimum high period of clock is 4us */ - udelay(IXGBE_I2C_T_HIGH); - - ixgbe_lower_i2c_clk(hw, &i2cctl); - - /* Minimum low period of clock is 4.7 us. - * This also takes care of the data hold time. - */ - udelay(IXGBE_I2C_T_LOW); - } else { - status = IXGBE_ERR_I2C; - hw_dbg(hw, "I2C data was not set to %X\n", data); - } - - return status; -} -/** - * ixgbe_raise_i2c_clk - Raises the I2C SCL clock - * @hw: pointer to hardware structure - * @i2cctl: Current value of I2CCTL register - * - * Raises the I2C clock line '0'->'1' - **/ -static s32 ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) -{ - s32 status = 0; - - *i2cctl |= IXGBE_I2C_CLK_OUT; - - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); - - /* SCL rise time (1000ns) */ - udelay(IXGBE_I2C_T_RISE); - - return status; -} - -/** - * ixgbe_lower_i2c_clk - Lowers the I2C SCL clock - * @hw: pointer to hardware structure - * @i2cctl: Current value of I2CCTL register - * - * Lowers the I2C clock line '1'->'0' - **/ -static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) -{ - - *i2cctl &= ~IXGBE_I2C_CLK_OUT; - - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); - - /* SCL fall time (300ns) */ - udelay(IXGBE_I2C_T_FALL); -} - -/** - * ixgbe_set_i2c_data - Sets the I2C data bit - * @hw: pointer to hardware structure - * @i2cctl: Current value of I2CCTL register - * @data: I2C data value (0 or 1) to set - * - * Sets the I2C data bit - **/ -static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data) -{ - s32 status = 0; - - if (data) - *i2cctl |= IXGBE_I2C_DATA_OUT; - else - *i2cctl &= ~IXGBE_I2C_DATA_OUT; - - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); - - /* Data rise/fall (1000ns/300ns) and set-up time (250ns) */ - udelay(IXGBE_I2C_T_RISE + IXGBE_I2C_T_FALL + IXGBE_I2C_T_SU_DATA); - - /* Verify data was set correctly */ - *i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - if (data != ixgbe_get_i2c_data(i2cctl)) { - status = IXGBE_ERR_I2C; - hw_dbg(hw, "Error - I2C data was not set to %X.\n", data); - } - - return status; -} - -/** - * ixgbe_get_i2c_data - Reads the I2C SDA data bit - * @hw: pointer to hardware structure - * @i2cctl: Current value of I2CCTL register - * - * Returns the I2C data bit value - **/ -static bool ixgbe_get_i2c_data(u32 *i2cctl) -{ - bool data; - - if (*i2cctl & IXGBE_I2C_DATA_IN) - data = 1; - else - data = 0; - - return data; -} - -/** - * ixgbe_i2c_bus_clear - Clears the I2C bus - * @hw: pointer to hardware structure - * - * Clears the I2C bus by sending nine clock pulses. - * Used when data line is stuck low. - **/ -static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw) -{ - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - u32 i; - - ixgbe_set_i2c_data(hw, &i2cctl, 1); - - for (i = 0; i < 9; i++) { - ixgbe_raise_i2c_clk(hw, &i2cctl); - - /* Min high period of clock is 4us */ - udelay(IXGBE_I2C_T_HIGH); - - ixgbe_lower_i2c_clk(hw, &i2cctl); - - /* Min low period of clock is 4.7us*/ - udelay(IXGBE_I2C_T_LOW); - } - - /* Put the i2c bus back to default state */ - ixgbe_i2c_stop(hw); -} - -/** - * ixgbe_check_phy_link_tnx - Determine link and speed status - * @hw: pointer to hardware structure - * - * Reads the VS1 register to determine if link is up and the current speed for - * the PHY. - **/ -s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed, - bool *link_up) -{ - s32 status = 0; - u32 time_out; - u32 max_time_out = 10; - u16 phy_link = 0; - u16 phy_speed = 0; - u16 phy_data = 0; - - /* Initialize speed and link to default case */ - *link_up = false; - *speed = IXGBE_LINK_SPEED_10GB_FULL; - - /* - * Check current speed and link status of the PHY register. - * This is a vendor specific register and may have to - * be changed for other copper PHYs. - */ - for (time_out = 0; time_out < max_time_out; time_out++) { - udelay(10); - status = hw->phy.ops.read_reg(hw, - IXGBE_MDIO_VENDOR_SPECIFIC_1_STATUS, - MDIO_MMD_VEND1, - &phy_data); - phy_link = phy_data & - IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS; - phy_speed = phy_data & - IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS; - if (phy_link == IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS) { - *link_up = true; - if (phy_speed == - IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS) - *speed = IXGBE_LINK_SPEED_1GB_FULL; - break; - } - } - - return status; -} - -/** - * ixgbe_get_phy_firmware_version_tnx - Gets the PHY Firmware Version - * @hw: pointer to hardware structure - * @firmware_version: pointer to the PHY Firmware Version - **/ -s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw, - u16 *firmware_version) -{ - s32 status = 0; - - status = hw->phy.ops.read_reg(hw, TNX_FW_REV, MDIO_MMD_VEND1, - firmware_version); - - return status; -} - -/** - * ixgbe_get_phy_firmware_version_generic - Gets the PHY Firmware Version - * @hw: pointer to hardware structure - * @firmware_version: pointer to the PHY Firmware Version -**/ -s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw, - u16 *firmware_version) -{ - s32 status = 0; - - status = hw->phy.ops.read_reg(hw, AQ_FW_REV, MDIO_MMD_VEND1, - firmware_version); - - return status; -} - -/** - * ixgbe_tn_check_overtemp - Checks if an overtemp occured. - * @hw: pointer to hardware structure - * - * Checks if the LASI temp alarm status was triggered due to overtemp - **/ -s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw) -{ - s32 status = 0; - u16 phy_data = 0; - - if (hw->device_id != IXGBE_DEV_ID_82599_T3_LOM) - goto out; - - /* Check that the LASI temp alarm status was triggered */ - hw->phy.ops.read_reg(hw, IXGBE_TN_LASI_STATUS_REG, - MDIO_MMD_PMAPMD, &phy_data); - - if (!(phy_data & IXGBE_TN_LASI_STATUS_TEMP_ALARM)) - goto out; - - status = IXGBE_ERR_OVERTEMP; -out: - return status; -} diff --git a/drivers/net/ixgbe/ixgbe_phy.h b/drivers/net/ixgbe/ixgbe_phy.h deleted file mode 100644 index e2c6b7eac64..00000000000 --- a/drivers/net/ixgbe/ixgbe_phy.h +++ /dev/null @@ -1,126 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _IXGBE_PHY_H_ -#define _IXGBE_PHY_H_ - -#include "ixgbe_type.h" -#define IXGBE_I2C_EEPROM_DEV_ADDR 0xA0 - -/* EEPROM byte offsets */ -#define IXGBE_SFF_IDENTIFIER 0x0 -#define IXGBE_SFF_IDENTIFIER_SFP 0x3 -#define IXGBE_SFF_VENDOR_OUI_BYTE0 0x25 -#define IXGBE_SFF_VENDOR_OUI_BYTE1 0x26 -#define IXGBE_SFF_VENDOR_OUI_BYTE2 0x27 -#define IXGBE_SFF_1GBE_COMP_CODES 0x6 -#define IXGBE_SFF_10GBE_COMP_CODES 0x3 -#define IXGBE_SFF_CABLE_TECHNOLOGY 0x8 -#define IXGBE_SFF_CABLE_SPEC_COMP 0x3C - -/* Bitmasks */ -#define IXGBE_SFF_DA_PASSIVE_CABLE 0x4 -#define IXGBE_SFF_DA_ACTIVE_CABLE 0x8 -#define IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING 0x4 -#define IXGBE_SFF_1GBASESX_CAPABLE 0x1 -#define IXGBE_SFF_1GBASELX_CAPABLE 0x2 -#define IXGBE_SFF_1GBASET_CAPABLE 0x8 -#define IXGBE_SFF_10GBASESR_CAPABLE 0x10 -#define IXGBE_SFF_10GBASELR_CAPABLE 0x20 -#define IXGBE_I2C_EEPROM_READ_MASK 0x100 -#define IXGBE_I2C_EEPROM_STATUS_MASK 0x3 -#define IXGBE_I2C_EEPROM_STATUS_NO_OPERATION 0x0 -#define IXGBE_I2C_EEPROM_STATUS_PASS 0x1 -#define IXGBE_I2C_EEPROM_STATUS_FAIL 0x2 -#define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS 0x3 - -/* Bit-shift macros */ -#define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT 24 -#define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT 16 -#define IXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT 8 - -/* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */ -#define IXGBE_SFF_VENDOR_OUI_TYCO 0x00407600 -#define IXGBE_SFF_VENDOR_OUI_FTL 0x00906500 -#define IXGBE_SFF_VENDOR_OUI_AVAGO 0x00176A00 -#define IXGBE_SFF_VENDOR_OUI_INTEL 0x001B2100 - -/* I2C SDA and SCL timing parameters for standard mode */ -#define IXGBE_I2C_T_HD_STA 4 -#define IXGBE_I2C_T_LOW 5 -#define IXGBE_I2C_T_HIGH 4 -#define IXGBE_I2C_T_SU_STA 5 -#define IXGBE_I2C_T_HD_DATA 5 -#define IXGBE_I2C_T_SU_DATA 1 -#define IXGBE_I2C_T_RISE 1 -#define IXGBE_I2C_T_FALL 1 -#define IXGBE_I2C_T_SU_STO 4 -#define IXGBE_I2C_T_BUF 5 - -#define IXGBE_TN_LASI_STATUS_REG 0x9005 -#define IXGBE_TN_LASI_STATUS_TEMP_ALARM 0x0008 - -s32 ixgbe_init_phy_ops_generic(struct ixgbe_hw *hw); -s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw); -s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw); -s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, - u32 device_type, u16 *phy_data); -s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr, - u32 device_type, u16 phy_data); -s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw); -s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg, - bool autoneg_wait_to_complete); -s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, - bool *autoneg); - -/* PHY specific */ -s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, - ixgbe_link_speed *speed, - bool *link_up); -s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw, - u16 *firmware_version); -s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw, - u16 *firmware_version); - -s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw); -s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw); -s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw, - u16 *list_offset, - u16 *data_offset); -s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw); -s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 dev_addr, u8 *data); -s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 dev_addr, u8 data); -s32 ixgbe_read_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 *eeprom_data); -s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset, - u8 eeprom_data); -#endif /* _IXGBE_PHY_H_ */ diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c deleted file mode 100644 index 6e3e94b5a5f..00000000000 --- a/drivers/net/ixgbe/ixgbe_sriov.c +++ /dev/null @@ -1,447 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/vmalloc.h> -#include <linux/string.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/tcp.h> -#include <linux/ipv6.h> -#ifdef NETIF_F_HW_VLAN_TX -#include <linux/if_vlan.h> -#endif - -#include "ixgbe.h" - -#include "ixgbe_sriov.h" - -static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, - int entries, u16 *hash_list, u32 vf) -{ - struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; - struct ixgbe_hw *hw = &adapter->hw; - int i; - u32 vector_bit; - u32 vector_reg; - u32 mta_reg; - - /* only so many hash values supported */ - entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES); - - /* - * salt away the number of multi cast addresses assigned - * to this VF for later use to restore when the PF multi cast - * list changes - */ - vfinfo->num_vf_mc_hashes = entries; - - /* - * VFs are limited to using the MTA hash table for their multicast - * addresses - */ - for (i = 0; i < entries; i++) { - vfinfo->vf_mc_hashes[i] = hash_list[i]; - } - - for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) { - vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F; - vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F; - mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); - mta_reg |= (1 << vector_bit); - IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); - } - - return 0; -} - -void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - struct vf_data_storage *vfinfo; - int i, j; - u32 vector_bit; - u32 vector_reg; - u32 mta_reg; - - for (i = 0; i < adapter->num_vfs; i++) { - vfinfo = &adapter->vfinfo[i]; - for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) { - hw->addr_ctrl.mta_in_use++; - vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F; - vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F; - mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); - mta_reg |= (1 << vector_bit); - IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); - } - } -} - -static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, - u32 vf) -{ - return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add); -} - - -static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe) -{ - u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); - vmolr |= (IXGBE_VMOLR_ROMPE | - IXGBE_VMOLR_ROPE | - IXGBE_VMOLR_BAM); - if (aupe) - vmolr |= IXGBE_VMOLR_AUPE; - else - vmolr &= ~IXGBE_VMOLR_AUPE; - IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); -} - -static void ixgbe_set_vmvir(struct ixgbe_adapter *adapter, u32 vid, u32 vf) -{ - struct ixgbe_hw *hw = &adapter->hw; - - if (vid) - IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), - (vid | IXGBE_VMVIR_VLANA_DEFAULT)); - else - IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0); -} - -static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) -{ - struct ixgbe_hw *hw = &adapter->hw; - int rar_entry = hw->mac.num_rar_entries - (vf + 1); - - /* reset offloads to defaults */ - if (adapter->vfinfo[vf].pf_vlan) { - ixgbe_set_vf_vlan(adapter, true, - adapter->vfinfo[vf].pf_vlan, vf); - ixgbe_set_vmvir(adapter, - (adapter->vfinfo[vf].pf_vlan | - (adapter->vfinfo[vf].pf_qos << - VLAN_PRIO_SHIFT)), vf); - ixgbe_set_vmolr(hw, vf, false); - } else { - ixgbe_set_vmvir(adapter, 0, vf); - ixgbe_set_vmolr(hw, vf, true); - } - - /* reset multicast table array for vf */ - adapter->vfinfo[vf].num_vf_mc_hashes = 0; - - /* Flush and reset the mta with the new values */ - ixgbe_set_rx_mode(adapter->netdev); - - hw->mac.ops.clear_rar(hw, rar_entry); -} - -static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, - int vf, unsigned char *mac_addr) -{ - struct ixgbe_hw *hw = &adapter->hw; - int rar_entry = hw->mac.num_rar_entries - (vf + 1); - - memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 6); - hw->mac.ops.set_rar(hw, rar_entry, mac_addr, vf, IXGBE_RAH_AV); - - return 0; -} - -int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) -{ - unsigned char vf_mac_addr[6]; - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - unsigned int vfn = (event_mask & 0x3f); - - bool enable = ((event_mask & 0x10000000U) != 0); - - if (enable) { - random_ether_addr(vf_mac_addr); - e_info(probe, "IOV: VF %d is enabled MAC %pM\n", - vfn, vf_mac_addr); - /* - * Store away the VF "permananet" MAC address, it will ask - * for it later. - */ - memcpy(adapter->vfinfo[vfn].vf_mac_addresses, vf_mac_addr, 6); - } - - return 0; -} - -static inline void ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 reg; - u32 reg_offset, vf_shift; - - vf_shift = vf % 32; - reg_offset = vf / 32; - - /* enable transmit and receive for vf */ - reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); - reg |= (reg | (1 << vf_shift)); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); - - reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); - reg |= (reg | (1 << vf_shift)); - IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); - - ixgbe_vf_reset_event(adapter, vf); -} - -static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) -{ - u32 mbx_size = IXGBE_VFMAILBOX_SIZE; - u32 msgbuf[mbx_size]; - struct ixgbe_hw *hw = &adapter->hw; - s32 retval; - int entries; - u16 *hash_list; - int add, vid; - - retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); - - if (retval) - pr_err("Error receiving message from VF\n"); - - /* this is a message we already processed, do nothing */ - if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK)) - return retval; - - /* - * until the vf completes a virtual function reset it should not be - * allowed to start any configuration. - */ - - if (msgbuf[0] == IXGBE_VF_RESET) { - unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; - u8 *addr = (u8 *)(&msgbuf[1]); - e_info(probe, "VF Reset msg received from vf %d\n", vf); - adapter->vfinfo[vf].clear_to_send = false; - ixgbe_vf_reset_msg(adapter, vf); - adapter->vfinfo[vf].clear_to_send = true; - - /* reply to reset with ack and vf mac address */ - msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK; - memcpy(addr, vf_mac, IXGBE_ETH_LENGTH_OF_ADDRESS); - /* - * Piggyback the multicast filter type so VF can compute the - * correct vectors - */ - msgbuf[3] = hw->mac.mc_filter_type; - ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); - - return retval; - } - - if (!adapter->vfinfo[vf].clear_to_send) { - msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; - ixgbe_write_mbx(hw, msgbuf, 1, vf); - return retval; - } - - switch ((msgbuf[0] & 0xFFFF)) { - case IXGBE_VF_SET_MAC_ADDR: - { - u8 *new_mac = ((u8 *)(&msgbuf[1])); - if (is_valid_ether_addr(new_mac) && - !adapter->vfinfo[vf].pf_set_mac) - ixgbe_set_vf_mac(adapter, vf, new_mac); - else - ixgbe_set_vf_mac(adapter, - vf, adapter->vfinfo[vf].vf_mac_addresses); - } - break; - case IXGBE_VF_SET_MULTICAST: - entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) - >> IXGBE_VT_MSGINFO_SHIFT; - hash_list = (u16 *)&msgbuf[1]; - retval = ixgbe_set_vf_multicasts(adapter, entries, - hash_list, vf); - break; - case IXGBE_VF_SET_LPE: - WARN_ON((msgbuf[0] & 0xFFFF) == IXGBE_VF_SET_LPE); - break; - case IXGBE_VF_SET_VLAN: - add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) - >> IXGBE_VT_MSGINFO_SHIFT; - vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); - retval = ixgbe_set_vf_vlan(adapter, add, vid, vf); - break; - default: - e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); - retval = IXGBE_ERR_MBX; - break; - } - - /* notify the VF of the results of what it sent us */ - if (retval) - msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; - else - msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; - - msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; - - ixgbe_write_mbx(hw, msgbuf, 1, vf); - - return retval; -} - -static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 msg = IXGBE_VT_MSGTYPE_NACK; - - /* if device isn't clear to send it shouldn't be reading either */ - if (!adapter->vfinfo[vf].clear_to_send) - ixgbe_write_mbx(hw, &msg, 1, vf); -} - -void ixgbe_msg_task(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 vf; - - for (vf = 0; vf < adapter->num_vfs; vf++) { - /* process any reset requests */ - if (!ixgbe_check_for_rst(hw, vf)) - ixgbe_vf_reset_event(adapter, vf); - - /* process any messages pending */ - if (!ixgbe_check_for_msg(hw, vf)) - ixgbe_rcv_msg_from_vf(adapter, vf); - - /* process any acks */ - if (!ixgbe_check_for_ack(hw, vf)) - ixgbe_rcv_ack_from_vf(adapter, vf); - } -} - -void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - - /* disable transmit and receive for all vfs */ - IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0); - - IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0); - IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0); -} - -void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 ping; - int i; - - for (i = 0 ; i < adapter->num_vfs; i++) { - ping = IXGBE_PF_CONTROL_MSG; - if (adapter->vfinfo[i].clear_to_send) - ping |= IXGBE_VT_MSGTYPE_CTS; - ixgbe_write_mbx(hw, &ping, 1, i); - } -} - -int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs)) - return -EINVAL; - adapter->vfinfo[vf].pf_set_mac = true; - dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf); - dev_info(&adapter->pdev->dev, "Reload the VF driver to make this" - " change effective."); - if (test_bit(__IXGBE_DOWN, &adapter->state)) { - dev_warn(&adapter->pdev->dev, "The VF MAC address has been set," - " but the PF device is not up.\n"); - dev_warn(&adapter->pdev->dev, "Bring the PF device up before" - " attempting to use the VF device.\n"); - } - return ixgbe_set_vf_mac(adapter, vf, mac); -} - -int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) -{ - int err = 0; - struct ixgbe_adapter *adapter = netdev_priv(netdev); - - if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7)) - return -EINVAL; - if (vlan || qos) { - err = ixgbe_set_vf_vlan(adapter, true, vlan, vf); - if (err) - goto out; - ixgbe_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf); - ixgbe_set_vmolr(&adapter->hw, vf, false); - adapter->vfinfo[vf].pf_vlan = vlan; - adapter->vfinfo[vf].pf_qos = qos; - dev_info(&adapter->pdev->dev, - "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf); - if (test_bit(__IXGBE_DOWN, &adapter->state)) { - dev_warn(&adapter->pdev->dev, - "The VF VLAN has been set," - " but the PF device is not up.\n"); - dev_warn(&adapter->pdev->dev, - "Bring the PF device up before" - " attempting to use the VF device.\n"); - } - } else { - err = ixgbe_set_vf_vlan(adapter, false, - adapter->vfinfo[vf].pf_vlan, vf); - ixgbe_set_vmvir(adapter, vlan, vf); - ixgbe_set_vmolr(&adapter->hw, vf, true); - adapter->vfinfo[vf].pf_vlan = 0; - adapter->vfinfo[vf].pf_qos = 0; - } -out: - return err; -} - -int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate) -{ - return -EOPNOTSUPP; -} - -int ixgbe_ndo_get_vf_config(struct net_device *netdev, - int vf, struct ifla_vf_info *ivi) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - if (vf >= adapter->num_vfs) - return -EINVAL; - ivi->vf = vf; - memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN); - ivi->tx_rate = 0; - ivi->vlan = adapter->vfinfo[vf].pf_vlan; - ivi->qos = adapter->vfinfo[vf].pf_qos; - return 0; -} diff --git a/drivers/net/ixgbe/ixgbe_sriov.h b/drivers/net/ixgbe/ixgbe_sriov.h deleted file mode 100644 index 49dc14debef..00000000000 --- a/drivers/net/ixgbe/ixgbe_sriov.h +++ /dev/null @@ -1,45 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _IXGBE_SRIOV_H_ -#define _IXGBE_SRIOV_H_ - -void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter); -void ixgbe_msg_task(struct ixgbe_adapter *adapter); -int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask); -void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter); -void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter); -void ixgbe_dump_registers(struct ixgbe_adapter *adapter); -int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int queue, u8 *mac); -int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int queue, u16 vlan, - u8 qos); -int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate); -int ixgbe_ndo_get_vf_config(struct net_device *netdev, - int vf, struct ifla_vf_info *ivi); - -#endif /* _IXGBE_SRIOV_H_ */ - diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h deleted file mode 100644 index 0f80893edab..00000000000 --- a/drivers/net/ixgbe/ixgbe_type.h +++ /dev/null @@ -1,2651 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#ifndef _IXGBE_TYPE_H_ -#define _IXGBE_TYPE_H_ - -#include <linux/types.h> -#include <linux/mdio.h> -#include <linux/netdevice.h> - -/* Vendor ID */ -#define IXGBE_INTEL_VENDOR_ID 0x8086 - -/* Device IDs */ -#define IXGBE_DEV_ID_82598 0x10B6 -#define IXGBE_DEV_ID_82598_BX 0x1508 -#define IXGBE_DEV_ID_82598AF_DUAL_PORT 0x10C6 -#define IXGBE_DEV_ID_82598AF_SINGLE_PORT 0x10C7 -#define IXGBE_DEV_ID_82598EB_SFP_LOM 0x10DB -#define IXGBE_DEV_ID_82598AT 0x10C8 -#define IXGBE_DEV_ID_82598AT2 0x150B -#define IXGBE_DEV_ID_82598EB_CX4 0x10DD -#define IXGBE_DEV_ID_82598_CX4_DUAL_PORT 0x10EC -#define IXGBE_DEV_ID_82598_DA_DUAL_PORT 0x10F1 -#define IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM 0x10E1 -#define IXGBE_DEV_ID_82598EB_XF_LR 0x10F4 -#define IXGBE_DEV_ID_82599_KX4 0x10F7 -#define IXGBE_DEV_ID_82599_KX4_MEZZ 0x1514 -#define IXGBE_DEV_ID_82599_KR 0x1517 -#define IXGBE_DEV_ID_82599_T3_LOM 0x151C -#define IXGBE_DEV_ID_82599_CX4 0x10F9 -#define IXGBE_DEV_ID_82599_SFP 0x10FB -#define IXGBE_DEV_ID_82599_BACKPLANE_FCOE 0x152a -#define IXGBE_DEV_ID_82599_SFP_FCOE 0x1529 -#define IXGBE_SUBDEV_ID_82599_SFP 0x11A9 -#define IXGBE_DEV_ID_82599_SFP_EM 0x1507 -#define IXGBE_DEV_ID_82599_XAUI_LOM 0x10FC -#define IXGBE_DEV_ID_82599_COMBO_BACKPLANE 0x10F8 -#define IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ 0x000C -#define IXGBE_DEV_ID_X540T 0x1528 - -/* General Registers */ -#define IXGBE_CTRL 0x00000 -#define IXGBE_STATUS 0x00008 -#define IXGBE_CTRL_EXT 0x00018 -#define IXGBE_ESDP 0x00020 -#define IXGBE_EODSDP 0x00028 -#define IXGBE_I2CCTL 0x00028 -#define IXGBE_LEDCTL 0x00200 -#define IXGBE_FRTIMER 0x00048 -#define IXGBE_TCPTIMER 0x0004C -#define IXGBE_CORESPARE 0x00600 -#define IXGBE_EXVET 0x05078 - -/* NVM Registers */ -#define IXGBE_EEC 0x10010 -#define IXGBE_EERD 0x10014 -#define IXGBE_EEWR 0x10018 -#define IXGBE_FLA 0x1001C -#define IXGBE_EEMNGCTL 0x10110 -#define IXGBE_EEMNGDATA 0x10114 -#define IXGBE_FLMNGCTL 0x10118 -#define IXGBE_FLMNGDATA 0x1011C -#define IXGBE_FLMNGCNT 0x10120 -#define IXGBE_FLOP 0x1013C -#define IXGBE_GRC 0x10200 - -/* General Receive Control */ -#define IXGBE_GRC_MNG 0x00000001 /* Manageability Enable */ -#define IXGBE_GRC_APME 0x00000002 /* Advanced Power Management Enable */ - -#define IXGBE_VPDDIAG0 0x10204 -#define IXGBE_VPDDIAG1 0x10208 - -/* I2CCTL Bit Masks */ -#define IXGBE_I2C_CLK_IN 0x00000001 -#define IXGBE_I2C_CLK_OUT 0x00000002 -#define IXGBE_I2C_DATA_IN 0x00000004 -#define IXGBE_I2C_DATA_OUT 0x00000008 - -/* Interrupt Registers */ -#define IXGBE_EICR 0x00800 -#define IXGBE_EICS 0x00808 -#define IXGBE_EIMS 0x00880 -#define IXGBE_EIMC 0x00888 -#define IXGBE_EIAC 0x00810 -#define IXGBE_EIAM 0x00890 -#define IXGBE_EICS_EX(_i) (0x00A90 + (_i) * 4) -#define IXGBE_EIMS_EX(_i) (0x00AA0 + (_i) * 4) -#define IXGBE_EIMC_EX(_i) (0x00AB0 + (_i) * 4) -#define IXGBE_EIAM_EX(_i) (0x00AD0 + (_i) * 4) -/* - * 82598 EITR is 16 bits but set the limits based on the max - * supported by all ixgbe hardware. 82599 EITR is only 12 bits, - * with the lower 3 always zero. - */ -#define IXGBE_MAX_INT_RATE 488281 -#define IXGBE_MIN_INT_RATE 956 -#define IXGBE_MAX_EITR 0x00000FF8 -#define IXGBE_MIN_EITR 8 -#define IXGBE_EITR(_i) (((_i) <= 23) ? (0x00820 + ((_i) * 4)) : \ - (0x012300 + (((_i) - 24) * 4))) -#define IXGBE_EITR_ITR_INT_MASK 0x00000FF8 -#define IXGBE_EITR_LLI_MOD 0x00008000 -#define IXGBE_EITR_CNT_WDIS 0x80000000 -#define IXGBE_IVAR(_i) (0x00900 + ((_i) * 4)) /* 24 at 0x900-0x960 */ -#define IXGBE_IVAR_MISC 0x00A00 /* misc MSI-X interrupt causes */ -#define IXGBE_EITRSEL 0x00894 -#define IXGBE_MSIXT 0x00000 /* MSI-X Table. 0x0000 - 0x01C */ -#define IXGBE_MSIXPBA 0x02000 /* MSI-X Pending bit array */ -#define IXGBE_PBACL(_i) (((_i) == 0) ? (0x11068) : (0x110C0 + ((_i) * 4))) -#define IXGBE_GPIE 0x00898 - -/* Flow Control Registers */ -#define IXGBE_FCADBUL 0x03210 -#define IXGBE_FCADBUH 0x03214 -#define IXGBE_FCAMACL 0x04328 -#define IXGBE_FCAMACH 0x0432C -#define IXGBE_FCRTH_82599(_i) (0x03260 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_FCRTL_82599(_i) (0x03220 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_PFCTOP 0x03008 -#define IXGBE_FCTTV(_i) (0x03200 + ((_i) * 4)) /* 4 of these (0-3) */ -#define IXGBE_FCRTL(_i) (0x03220 + ((_i) * 8)) /* 8 of these (0-7) */ -#define IXGBE_FCRTH(_i) (0x03260 + ((_i) * 8)) /* 8 of these (0-7) */ -#define IXGBE_FCRTV 0x032A0 -#define IXGBE_FCCFG 0x03D00 -#define IXGBE_TFCS 0x0CE00 - -/* Receive DMA Registers */ -#define IXGBE_RDBAL(_i) (((_i) < 64) ? (0x01000 + ((_i) * 0x40)) : \ - (0x0D000 + ((_i - 64) * 0x40))) -#define IXGBE_RDBAH(_i) (((_i) < 64) ? (0x01004 + ((_i) * 0x40)) : \ - (0x0D004 + ((_i - 64) * 0x40))) -#define IXGBE_RDLEN(_i) (((_i) < 64) ? (0x01008 + ((_i) * 0x40)) : \ - (0x0D008 + ((_i - 64) * 0x40))) -#define IXGBE_RDH(_i) (((_i) < 64) ? (0x01010 + ((_i) * 0x40)) : \ - (0x0D010 + ((_i - 64) * 0x40))) -#define IXGBE_RDT(_i) (((_i) < 64) ? (0x01018 + ((_i) * 0x40)) : \ - (0x0D018 + ((_i - 64) * 0x40))) -#define IXGBE_RXDCTL(_i) (((_i) < 64) ? (0x01028 + ((_i) * 0x40)) : \ - (0x0D028 + ((_i - 64) * 0x40))) -#define IXGBE_RDDCC 0x02F20 -#define IXGBE_RXMEMWRAP 0x03190 -#define IXGBE_STARCTRL 0x03024 -/* - * Split and Replication Receive Control Registers - * 00-15 : 0x02100 + n*4 - * 16-64 : 0x01014 + n*0x40 - * 64-127: 0x0D014 + (n-64)*0x40 - */ -#define IXGBE_SRRCTL(_i) (((_i) <= 15) ? (0x02100 + ((_i) * 4)) : \ - (((_i) < 64) ? (0x01014 + ((_i) * 0x40)) : \ - (0x0D014 + ((_i - 64) * 0x40)))) -/* - * Rx DCA Control Register: - * 00-15 : 0x02200 + n*4 - * 16-64 : 0x0100C + n*0x40 - * 64-127: 0x0D00C + (n-64)*0x40 - */ -#define IXGBE_DCA_RXCTRL(_i) (((_i) <= 15) ? (0x02200 + ((_i) * 4)) : \ - (((_i) < 64) ? (0x0100C + ((_i) * 0x40)) : \ - (0x0D00C + ((_i - 64) * 0x40)))) -#define IXGBE_RDRXCTL 0x02F00 -#define IXGBE_RXPBSIZE(_i) (0x03C00 + ((_i) * 4)) - /* 8 of these 0x03C00 - 0x03C1C */ -#define IXGBE_RXCTRL 0x03000 -#define IXGBE_DROPEN 0x03D04 -#define IXGBE_RXPBSIZE_SHIFT 10 - -/* Receive Registers */ -#define IXGBE_RXCSUM 0x05000 -#define IXGBE_RFCTL 0x05008 -#define IXGBE_DRECCCTL 0x02F08 -#define IXGBE_DRECCCTL_DISABLE 0 -/* Multicast Table Array - 128 entries */ -#define IXGBE_MTA(_i) (0x05200 + ((_i) * 4)) -#define IXGBE_RAL(_i) (((_i) <= 15) ? (0x05400 + ((_i) * 8)) : \ - (0x0A200 + ((_i) * 8))) -#define IXGBE_RAH(_i) (((_i) <= 15) ? (0x05404 + ((_i) * 8)) : \ - (0x0A204 + ((_i) * 8))) -#define IXGBE_MPSAR_LO(_i) (0x0A600 + ((_i) * 8)) -#define IXGBE_MPSAR_HI(_i) (0x0A604 + ((_i) * 8)) -/* Packet split receive type */ -#define IXGBE_PSRTYPE(_i) (((_i) <= 15) ? (0x05480 + ((_i) * 4)) : \ - (0x0EA00 + ((_i) * 4))) -/* array of 4096 1-bit vlan filters */ -#define IXGBE_VFTA(_i) (0x0A000 + ((_i) * 4)) -/*array of 4096 4-bit vlan vmdq indices */ -#define IXGBE_VFTAVIND(_j, _i) (0x0A200 + ((_j) * 0x200) + ((_i) * 4)) -#define IXGBE_FCTRL 0x05080 -#define IXGBE_VLNCTRL 0x05088 -#define IXGBE_MCSTCTRL 0x05090 -#define IXGBE_MRQC 0x05818 -#define IXGBE_SAQF(_i) (0x0E000 + ((_i) * 4)) /* Source Address Queue Filter */ -#define IXGBE_DAQF(_i) (0x0E200 + ((_i) * 4)) /* Dest. Address Queue Filter */ -#define IXGBE_SDPQF(_i) (0x0E400 + ((_i) * 4)) /* Src Dest. Addr Queue Filter */ -#define IXGBE_FTQF(_i) (0x0E600 + ((_i) * 4)) /* Five Tuple Queue Filter */ -#define IXGBE_ETQF(_i) (0x05128 + ((_i) * 4)) /* EType Queue Filter */ -#define IXGBE_ETQS(_i) (0x0EC00 + ((_i) * 4)) /* EType Queue Select */ -#define IXGBE_SYNQF 0x0EC30 /* SYN Packet Queue Filter */ -#define IXGBE_RQTC 0x0EC70 -#define IXGBE_MTQC 0x08120 -#define IXGBE_VLVF(_i) (0x0F100 + ((_i) * 4)) /* 64 of these (0-63) */ -#define IXGBE_VLVFB(_i) (0x0F200 + ((_i) * 4)) /* 128 of these (0-127) */ -#define IXGBE_VMVIR(_i) (0x08000 + ((_i) * 4)) /* 64 of these (0-63) */ -#define IXGBE_VT_CTL 0x051B0 -#define IXGBE_VFRE(_i) (0x051E0 + ((_i) * 4)) -#define IXGBE_VFTE(_i) (0x08110 + ((_i) * 4)) -#define IXGBE_QDE 0x2F04 -#define IXGBE_VMOLR(_i) (0x0F000 + ((_i) * 4)) /* 64 total */ -#define IXGBE_UTA(_i) (0x0F400 + ((_i) * 4)) -#define IXGBE_VMRCTL(_i) (0x0F600 + ((_i) * 4)) -#define IXGBE_VMRVLAN(_i) (0x0F610 + ((_i) * 4)) -#define IXGBE_VMRVM(_i) (0x0F630 + ((_i) * 4)) -#define IXGBE_L34T_IMIR(_i) (0x0E800 + ((_i) * 4)) /*128 of these (0-127)*/ -#define IXGBE_LLITHRESH 0x0EC90 -#define IXGBE_IMIR(_i) (0x05A80 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_IMIREXT(_i) (0x05AA0 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_IMIRVP 0x05AC0 -#define IXGBE_VMD_CTL 0x0581C -#define IXGBE_RETA(_i) (0x05C00 + ((_i) * 4)) /* 32 of these (0-31) */ -#define IXGBE_RSSRK(_i) (0x05C80 + ((_i) * 4)) /* 10 of these (0-9) */ - -/* Flow Director registers */ -#define IXGBE_FDIRCTRL 0x0EE00 -#define IXGBE_FDIRHKEY 0x0EE68 -#define IXGBE_FDIRSKEY 0x0EE6C -#define IXGBE_FDIRDIP4M 0x0EE3C -#define IXGBE_FDIRSIP4M 0x0EE40 -#define IXGBE_FDIRTCPM 0x0EE44 -#define IXGBE_FDIRUDPM 0x0EE48 -#define IXGBE_FDIRIP6M 0x0EE74 -#define IXGBE_FDIRM 0x0EE70 - -/* Flow Director Stats registers */ -#define IXGBE_FDIRFREE 0x0EE38 -#define IXGBE_FDIRLEN 0x0EE4C -#define IXGBE_FDIRUSTAT 0x0EE50 -#define IXGBE_FDIRFSTAT 0x0EE54 -#define IXGBE_FDIRMATCH 0x0EE58 -#define IXGBE_FDIRMISS 0x0EE5C - -/* Flow Director Programming registers */ -#define IXGBE_FDIRSIPv6(_i) (0x0EE0C + ((_i) * 4)) /* 3 of these (0-2) */ -#define IXGBE_FDIRIPSA 0x0EE18 -#define IXGBE_FDIRIPDA 0x0EE1C -#define IXGBE_FDIRPORT 0x0EE20 -#define IXGBE_FDIRVLAN 0x0EE24 -#define IXGBE_FDIRHASH 0x0EE28 -#define IXGBE_FDIRCMD 0x0EE2C - -/* Transmit DMA registers */ -#define IXGBE_TDBAL(_i) (0x06000 + ((_i) * 0x40)) /* 32 of these (0-31)*/ -#define IXGBE_TDBAH(_i) (0x06004 + ((_i) * 0x40)) -#define IXGBE_TDLEN(_i) (0x06008 + ((_i) * 0x40)) -#define IXGBE_TDH(_i) (0x06010 + ((_i) * 0x40)) -#define IXGBE_TDT(_i) (0x06018 + ((_i) * 0x40)) -#define IXGBE_TXDCTL(_i) (0x06028 + ((_i) * 0x40)) -#define IXGBE_TDWBAL(_i) (0x06038 + ((_i) * 0x40)) -#define IXGBE_TDWBAH(_i) (0x0603C + ((_i) * 0x40)) -#define IXGBE_DTXCTL 0x07E00 - -#define IXGBE_DMATXCTL 0x04A80 -#define IXGBE_PFDTXGSWC 0x08220 -#define IXGBE_DTXMXSZRQ 0x08100 -#define IXGBE_DTXTCPFLGL 0x04A88 -#define IXGBE_DTXTCPFLGH 0x04A8C -#define IXGBE_LBDRPEN 0x0CA00 -#define IXGBE_TXPBTHRESH(_i) (0x04950 + ((_i) * 4)) /* 8 of these 0 - 7 */ - -#define IXGBE_DMATXCTL_TE 0x1 /* Transmit Enable */ -#define IXGBE_DMATXCTL_NS 0x2 /* No Snoop LSO hdr buffer */ -#define IXGBE_DMATXCTL_GDV 0x8 /* Global Double VLAN */ -#define IXGBE_DMATXCTL_VT_SHIFT 16 /* VLAN EtherType */ - -#define IXGBE_PFDTXGSWC_VT_LBEN 0x1 /* Local L2 VT switch enable */ -#define IXGBE_DCA_TXCTRL(_i) (0x07200 + ((_i) * 4)) /* 16 of these (0-15) */ -/* Tx DCA Control register : 128 of these (0-127) */ -#define IXGBE_DCA_TXCTRL_82599(_i) (0x0600C + ((_i) * 0x40)) -#define IXGBE_TIPG 0x0CB00 -#define IXGBE_TXPBSIZE(_i) (0x0CC00 + ((_i) * 4)) /* 8 of these */ -#define IXGBE_MNGTXMAP 0x0CD10 -#define IXGBE_TIPG_FIBER_DEFAULT 3 -#define IXGBE_TXPBSIZE_SHIFT 10 - -/* Wake up registers */ -#define IXGBE_WUC 0x05800 -#define IXGBE_WUFC 0x05808 -#define IXGBE_WUS 0x05810 -#define IXGBE_IPAV 0x05838 -#define IXGBE_IP4AT 0x05840 /* IPv4 table 0x5840-0x5858 */ -#define IXGBE_IP6AT 0x05880 /* IPv6 table 0x5880-0x588F */ - -#define IXGBE_WUPL 0x05900 -#define IXGBE_WUPM 0x05A00 /* wake up pkt memory 0x5A00-0x5A7C */ -#define IXGBE_FHFT(_n) (0x09000 + (_n * 0x100)) /* Flex host filter table */ -#define IXGBE_FHFT_EXT(_n) (0x09800 + (_n * 0x100)) /* Ext Flexible Host - * Filter Table */ - -#define IXGBE_FLEXIBLE_FILTER_COUNT_MAX 4 -#define IXGBE_EXT_FLEXIBLE_FILTER_COUNT_MAX 2 - -/* Each Flexible Filter is at most 128 (0x80) bytes in length */ -#define IXGBE_FLEXIBLE_FILTER_SIZE_MAX 128 -#define IXGBE_FHFT_LENGTH_OFFSET 0xFC /* Length byte in FHFT */ -#define IXGBE_FHFT_LENGTH_MASK 0x0FF /* Length in lower byte */ - -/* Definitions for power management and wakeup registers */ -/* Wake Up Control */ -#define IXGBE_WUC_PME_EN 0x00000002 /* PME Enable */ -#define IXGBE_WUC_PME_STATUS 0x00000004 /* PME Status */ -#define IXGBE_WUC_ADVD3WUC 0x00000010 /* D3Cold wake up cap. enable*/ - -/* Wake Up Filter Control */ -#define IXGBE_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ -#define IXGBE_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ -#define IXGBE_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ -#define IXGBE_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */ -#define IXGBE_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ -#define IXGBE_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */ -#define IXGBE_WUFC_IPV4 0x00000040 /* Directed IPv4 Packet Wakeup Enable */ -#define IXGBE_WUFC_IPV6 0x00000080 /* Directed IPv6 Packet Wakeup Enable */ -#define IXGBE_WUFC_MNG 0x00000100 /* Directed Mgmt Packet Wakeup Enable */ - -#define IXGBE_WUFC_IGNORE_TCO 0x00008000 /* Ignore WakeOn TCO packets */ -#define IXGBE_WUFC_FLX0 0x00010000 /* Flexible Filter 0 Enable */ -#define IXGBE_WUFC_FLX1 0x00020000 /* Flexible Filter 1 Enable */ -#define IXGBE_WUFC_FLX2 0x00040000 /* Flexible Filter 2 Enable */ -#define IXGBE_WUFC_FLX3 0x00080000 /* Flexible Filter 3 Enable */ -#define IXGBE_WUFC_FLX4 0x00100000 /* Flexible Filter 4 Enable */ -#define IXGBE_WUFC_FLX5 0x00200000 /* Flexible Filter 5 Enable */ -#define IXGBE_WUFC_FLX_FILTERS 0x000F0000 /* Mask for 4 flex filters */ -#define IXGBE_WUFC_EXT_FLX_FILTERS 0x00300000 /* Mask for Ext. flex filters */ -#define IXGBE_WUFC_ALL_FILTERS 0x003F00FF /* Mask for all 6 wakeup filters*/ -#define IXGBE_WUFC_FLX_OFFSET 16 /* Offset to the Flexible Filters bits */ - -/* Wake Up Status */ -#define IXGBE_WUS_LNKC IXGBE_WUFC_LNKC -#define IXGBE_WUS_MAG IXGBE_WUFC_MAG -#define IXGBE_WUS_EX IXGBE_WUFC_EX -#define IXGBE_WUS_MC IXGBE_WUFC_MC -#define IXGBE_WUS_BC IXGBE_WUFC_BC -#define IXGBE_WUS_ARP IXGBE_WUFC_ARP -#define IXGBE_WUS_IPV4 IXGBE_WUFC_IPV4 -#define IXGBE_WUS_IPV6 IXGBE_WUFC_IPV6 -#define IXGBE_WUS_MNG IXGBE_WUFC_MNG -#define IXGBE_WUS_FLX0 IXGBE_WUFC_FLX0 -#define IXGBE_WUS_FLX1 IXGBE_WUFC_FLX1 -#define IXGBE_WUS_FLX2 IXGBE_WUFC_FLX2 -#define IXGBE_WUS_FLX3 IXGBE_WUFC_FLX3 -#define IXGBE_WUS_FLX4 IXGBE_WUFC_FLX4 -#define IXGBE_WUS_FLX5 IXGBE_WUFC_FLX5 -#define IXGBE_WUS_FLX_FILTERS IXGBE_WUFC_FLX_FILTERS - -/* Wake Up Packet Length */ -#define IXGBE_WUPL_LENGTH_MASK 0xFFFF - -/* DCB registers */ -#define IXGBE_RMCS 0x03D00 -#define IXGBE_DPMCS 0x07F40 -#define IXGBE_PDPMCS 0x0CD00 -#define IXGBE_RUPPBMR 0x050A0 -#define IXGBE_RT2CR(_i) (0x03C20 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_RT2SR(_i) (0x03C40 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_TDTQ2TCCR(_i) (0x0602C + ((_i) * 0x40)) /* 8 of these (0-7) */ -#define IXGBE_TDTQ2TCSR(_i) (0x0622C + ((_i) * 0x40)) /* 8 of these (0-7) */ -#define IXGBE_TDPT2TCCR(_i) (0x0CD20 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_TDPT2TCSR(_i) (0x0CD40 + ((_i) * 4)) /* 8 of these (0-7) */ - - -/* Security Control Registers */ -#define IXGBE_SECTXCTRL 0x08800 -#define IXGBE_SECTXSTAT 0x08804 -#define IXGBE_SECTXBUFFAF 0x08808 -#define IXGBE_SECTXMINIFG 0x08810 -#define IXGBE_SECTXSTAT 0x08804 -#define IXGBE_SECRXCTRL 0x08D00 -#define IXGBE_SECRXSTAT 0x08D04 - -/* Security Bit Fields and Masks */ -#define IXGBE_SECTXCTRL_SECTX_DIS 0x00000001 -#define IXGBE_SECTXCTRL_TX_DIS 0x00000002 -#define IXGBE_SECTXCTRL_STORE_FORWARD 0x00000004 - -#define IXGBE_SECTXSTAT_SECTX_RDY 0x00000001 -#define IXGBE_SECTXSTAT_ECC_TXERR 0x00000002 - -#define IXGBE_SECRXCTRL_SECRX_DIS 0x00000001 -#define IXGBE_SECRXCTRL_RX_DIS 0x00000002 - -#define IXGBE_SECRXSTAT_SECRX_RDY 0x00000001 -#define IXGBE_SECRXSTAT_ECC_RXERR 0x00000002 - -/* LinkSec (MacSec) Registers */ -#define IXGBE_LSECTXCAP 0x08A00 -#define IXGBE_LSECRXCAP 0x08F00 -#define IXGBE_LSECTXCTRL 0x08A04 -#define IXGBE_LSECTXSCL 0x08A08 /* SCI Low */ -#define IXGBE_LSECTXSCH 0x08A0C /* SCI High */ -#define IXGBE_LSECTXSA 0x08A10 -#define IXGBE_LSECTXPN0 0x08A14 -#define IXGBE_LSECTXPN1 0x08A18 -#define IXGBE_LSECTXKEY0(_n) (0x08A1C + (4 * (_n))) /* 4 of these (0-3) */ -#define IXGBE_LSECTXKEY1(_n) (0x08A2C + (4 * (_n))) /* 4 of these (0-3) */ -#define IXGBE_LSECRXCTRL 0x08F04 -#define IXGBE_LSECRXSCL 0x08F08 -#define IXGBE_LSECRXSCH 0x08F0C -#define IXGBE_LSECRXSA(_i) (0x08F10 + (4 * (_i))) /* 2 of these (0-1) */ -#define IXGBE_LSECRXPN(_i) (0x08F18 + (4 * (_i))) /* 2 of these (0-1) */ -#define IXGBE_LSECRXKEY(_n, _m) (0x08F20 + ((0x10 * (_n)) + (4 * (_m)))) -#define IXGBE_LSECTXUT 0x08A3C /* OutPktsUntagged */ -#define IXGBE_LSECTXPKTE 0x08A40 /* OutPktsEncrypted */ -#define IXGBE_LSECTXPKTP 0x08A44 /* OutPktsProtected */ -#define IXGBE_LSECTXOCTE 0x08A48 /* OutOctetsEncrypted */ -#define IXGBE_LSECTXOCTP 0x08A4C /* OutOctetsProtected */ -#define IXGBE_LSECRXUT 0x08F40 /* InPktsUntagged/InPktsNoTag */ -#define IXGBE_LSECRXOCTD 0x08F44 /* InOctetsDecrypted */ -#define IXGBE_LSECRXOCTV 0x08F48 /* InOctetsValidated */ -#define IXGBE_LSECRXBAD 0x08F4C /* InPktsBadTag */ -#define IXGBE_LSECRXNOSCI 0x08F50 /* InPktsNoSci */ -#define IXGBE_LSECRXUNSCI 0x08F54 /* InPktsUnknownSci */ -#define IXGBE_LSECRXUNCH 0x08F58 /* InPktsUnchecked */ -#define IXGBE_LSECRXDELAY 0x08F5C /* InPktsDelayed */ -#define IXGBE_LSECRXLATE 0x08F60 /* InPktsLate */ -#define IXGBE_LSECRXOK(_n) (0x08F64 + (0x04 * (_n))) /* InPktsOk */ -#define IXGBE_LSECRXINV(_n) (0x08F6C + (0x04 * (_n))) /* InPktsInvalid */ -#define IXGBE_LSECRXNV(_n) (0x08F74 + (0x04 * (_n))) /* InPktsNotValid */ -#define IXGBE_LSECRXUNSA 0x08F7C /* InPktsUnusedSa */ -#define IXGBE_LSECRXNUSA 0x08F80 /* InPktsNotUsingSa */ - -/* LinkSec (MacSec) Bit Fields and Masks */ -#define IXGBE_LSECTXCAP_SUM_MASK 0x00FF0000 -#define IXGBE_LSECTXCAP_SUM_SHIFT 16 -#define IXGBE_LSECRXCAP_SUM_MASK 0x00FF0000 -#define IXGBE_LSECRXCAP_SUM_SHIFT 16 - -#define IXGBE_LSECTXCTRL_EN_MASK 0x00000003 -#define IXGBE_LSECTXCTRL_DISABLE 0x0 -#define IXGBE_LSECTXCTRL_AUTH 0x1 -#define IXGBE_LSECTXCTRL_AUTH_ENCRYPT 0x2 -#define IXGBE_LSECTXCTRL_AISCI 0x00000020 -#define IXGBE_LSECTXCTRL_PNTHRSH_MASK 0xFFFFFF00 -#define IXGBE_LSECTXCTRL_RSV_MASK 0x000000D8 - -#define IXGBE_LSECRXCTRL_EN_MASK 0x0000000C -#define IXGBE_LSECRXCTRL_EN_SHIFT 2 -#define IXGBE_LSECRXCTRL_DISABLE 0x0 -#define IXGBE_LSECRXCTRL_CHECK 0x1 -#define IXGBE_LSECRXCTRL_STRICT 0x2 -#define IXGBE_LSECRXCTRL_DROP 0x3 -#define IXGBE_LSECRXCTRL_PLSH 0x00000040 -#define IXGBE_LSECRXCTRL_RP 0x00000080 -#define IXGBE_LSECRXCTRL_RSV_MASK 0xFFFFFF33 - -/* IpSec Registers */ -#define IXGBE_IPSTXIDX 0x08900 -#define IXGBE_IPSTXSALT 0x08904 -#define IXGBE_IPSTXKEY(_i) (0x08908 + (4 * (_i))) /* 4 of these (0-3) */ -#define IXGBE_IPSRXIDX 0x08E00 -#define IXGBE_IPSRXIPADDR(_i) (0x08E04 + (4 * (_i))) /* 4 of these (0-3) */ -#define IXGBE_IPSRXSPI 0x08E14 -#define IXGBE_IPSRXIPIDX 0x08E18 -#define IXGBE_IPSRXKEY(_i) (0x08E1C + (4 * (_i))) /* 4 of these (0-3) */ -#define IXGBE_IPSRXSALT 0x08E2C -#define IXGBE_IPSRXMOD 0x08E30 - -#define IXGBE_SECTXCTRL_STORE_FORWARD_ENABLE 0x4 - -/* HW RSC registers */ -#define IXGBE_RSCCTL(_i) (((_i) < 64) ? (0x0102C + ((_i) * 0x40)) : \ - (0x0D02C + ((_i - 64) * 0x40))) -#define IXGBE_RSCDBU 0x03028 -#define IXGBE_RSCCTL_RSCEN 0x01 -#define IXGBE_RSCCTL_MAXDESC_1 0x00 -#define IXGBE_RSCCTL_MAXDESC_4 0x04 -#define IXGBE_RSCCTL_MAXDESC_8 0x08 -#define IXGBE_RSCCTL_MAXDESC_16 0x0C -#define IXGBE_RXDADV_RSCCNT_SHIFT 17 -#define IXGBE_GPIE_RSC_DELAY_SHIFT 11 -#define IXGBE_RXDADV_RSCCNT_MASK 0x001E0000 -#define IXGBE_RSCDBU_RSCACKDIS 0x00000080 -#define IXGBE_RDRXCTL_RSCFRSTSIZE 0x003E0000 - -/* DCB registers */ -#define IXGBE_RTRPCS 0x02430 -#define IXGBE_RTTDCS 0x04900 -#define IXGBE_RTTDCS_ARBDIS 0x00000040 /* DCB arbiter disable */ -#define IXGBE_RTTPCS 0x0CD00 -#define IXGBE_RTRUP2TC 0x03020 -#define IXGBE_RTTUP2TC 0x0C800 -#define IXGBE_RTRPT4C(_i) (0x02140 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_RTRPT4S(_i) (0x02160 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_RTTDT2C(_i) (0x04910 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_RTTDT2S(_i) (0x04930 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_RTTPT2C(_i) (0x0CD20 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_RTTPT2S(_i) (0x0CD40 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_RTTDQSEL 0x04904 -#define IXGBE_RTTDT1C 0x04908 -#define IXGBE_RTTDT1S 0x0490C -#define IXGBE_RTTDTECC 0x04990 -#define IXGBE_RTTDTECC_NO_BCN 0x00000100 -#define IXGBE_RTTBCNRC 0x04984 - -/* FCoE registers */ -#define IXGBE_FCPTRL 0x02410 /* FC User Desc. PTR Low */ -#define IXGBE_FCPTRH 0x02414 /* FC USer Desc. PTR High */ -#define IXGBE_FCBUFF 0x02418 /* FC Buffer Control */ -#define IXGBE_FCDMARW 0x02420 /* FC Receive DMA RW */ -#define IXGBE_FCINVST0 0x03FC0 /* FC Invalid DMA Context Status Reg 0 */ -#define IXGBE_FCINVST(_i) (IXGBE_FCINVST0 + ((_i) * 4)) -#define IXGBE_FCBUFF_VALID (1 << 0) /* DMA Context Valid */ -#define IXGBE_FCBUFF_BUFFSIZE (3 << 3) /* User Buffer Size */ -#define IXGBE_FCBUFF_WRCONTX (1 << 7) /* 0: Initiator, 1: Target */ -#define IXGBE_FCBUFF_BUFFCNT 0x0000ff00 /* Number of User Buffers */ -#define IXGBE_FCBUFF_OFFSET 0xffff0000 /* User Buffer Offset */ -#define IXGBE_FCBUFF_BUFFSIZE_SHIFT 3 -#define IXGBE_FCBUFF_BUFFCNT_SHIFT 8 -#define IXGBE_FCBUFF_OFFSET_SHIFT 16 -#define IXGBE_FCDMARW_WE (1 << 14) /* Write enable */ -#define IXGBE_FCDMARW_RE (1 << 15) /* Read enable */ -#define IXGBE_FCDMARW_FCOESEL 0x000001ff /* FC X_ID: 11 bits */ -#define IXGBE_FCDMARW_LASTSIZE 0xffff0000 /* Last User Buffer Size */ -#define IXGBE_FCDMARW_LASTSIZE_SHIFT 16 - -/* FCoE SOF/EOF */ -#define IXGBE_TEOFF 0x04A94 /* Tx FC EOF */ -#define IXGBE_TSOFF 0x04A98 /* Tx FC SOF */ -#define IXGBE_REOFF 0x05158 /* Rx FC EOF */ -#define IXGBE_RSOFF 0x051F8 /* Rx FC SOF */ -/* FCoE Filter Context Registers */ -#define IXGBE_FCFLT 0x05108 /* FC FLT Context */ -#define IXGBE_FCFLTRW 0x05110 /* FC Filter RW Control */ -#define IXGBE_FCPARAM 0x051d8 /* FC Offset Parameter */ -#define IXGBE_FCFLT_VALID (1 << 0) /* Filter Context Valid */ -#define IXGBE_FCFLT_FIRST (1 << 1) /* Filter First */ -#define IXGBE_FCFLT_SEQID 0x00ff0000 /* Sequence ID */ -#define IXGBE_FCFLT_SEQCNT 0xff000000 /* Sequence Count */ -#define IXGBE_FCFLTRW_RVALDT (1 << 13) /* Fast Re-Validation */ -#define IXGBE_FCFLTRW_WE (1 << 14) /* Write Enable */ -#define IXGBE_FCFLTRW_RE (1 << 15) /* Read Enable */ -/* FCoE Receive Control */ -#define IXGBE_FCRXCTRL 0x05100 /* FC Receive Control */ -#define IXGBE_FCRXCTRL_FCOELLI (1 << 0) /* Low latency interrupt */ -#define IXGBE_FCRXCTRL_SAVBAD (1 << 1) /* Save Bad Frames */ -#define IXGBE_FCRXCTRL_FRSTRDH (1 << 2) /* EN 1st Read Header */ -#define IXGBE_FCRXCTRL_LASTSEQH (1 << 3) /* EN Last Header in Seq */ -#define IXGBE_FCRXCTRL_ALLH (1 << 4) /* EN All Headers */ -#define IXGBE_FCRXCTRL_FRSTSEQH (1 << 5) /* EN 1st Seq. Header */ -#define IXGBE_FCRXCTRL_ICRC (1 << 6) /* Ignore Bad FC CRC */ -#define IXGBE_FCRXCTRL_FCCRCBO (1 << 7) /* FC CRC Byte Ordering */ -#define IXGBE_FCRXCTRL_FCOEVER 0x00000f00 /* FCoE Version: 4 bits */ -#define IXGBE_FCRXCTRL_FCOEVER_SHIFT 8 -/* FCoE Redirection */ -#define IXGBE_FCRECTL 0x0ED00 /* FC Redirection Control */ -#define IXGBE_FCRETA0 0x0ED10 /* FC Redirection Table 0 */ -#define IXGBE_FCRETA(_i) (IXGBE_FCRETA0 + ((_i) * 4)) /* FCoE Redir */ -#define IXGBE_FCRECTL_ENA 0x1 /* FCoE Redir Table Enable */ -#define IXGBE_FCRETA_SIZE 8 /* Max entries in FCRETA */ -#define IXGBE_FCRETA_ENTRY_MASK 0x0000007f /* 7 bits for the queue index */ - -/* Stats registers */ -#define IXGBE_CRCERRS 0x04000 -#define IXGBE_ILLERRC 0x04004 -#define IXGBE_ERRBC 0x04008 -#define IXGBE_MSPDC 0x04010 -#define IXGBE_MPC(_i) (0x03FA0 + ((_i) * 4)) /* 8 of these 3FA0-3FBC*/ -#define IXGBE_MLFC 0x04034 -#define IXGBE_MRFC 0x04038 -#define IXGBE_RLEC 0x04040 -#define IXGBE_LXONTXC 0x03F60 -#define IXGBE_LXONRXC 0x0CF60 -#define IXGBE_LXOFFTXC 0x03F68 -#define IXGBE_LXOFFRXC 0x0CF68 -#define IXGBE_LXONRXCNT 0x041A4 -#define IXGBE_LXOFFRXCNT 0x041A8 -#define IXGBE_PXONRXCNT(_i) (0x04140 + ((_i) * 4)) /* 8 of these */ -#define IXGBE_PXOFFRXCNT(_i) (0x04160 + ((_i) * 4)) /* 8 of these */ -#define IXGBE_PXON2OFFCNT(_i) (0x03240 + ((_i) * 4)) /* 8 of these */ -#define IXGBE_PXONTXC(_i) (0x03F00 + ((_i) * 4)) /* 8 of these 3F00-3F1C*/ -#define IXGBE_PXONRXC(_i) (0x0CF00 + ((_i) * 4)) /* 8 of these CF00-CF1C*/ -#define IXGBE_PXOFFTXC(_i) (0x03F20 + ((_i) * 4)) /* 8 of these 3F20-3F3C*/ -#define IXGBE_PXOFFRXC(_i) (0x0CF20 + ((_i) * 4)) /* 8 of these CF20-CF3C*/ -#define IXGBE_PRC64 0x0405C -#define IXGBE_PRC127 0x04060 -#define IXGBE_PRC255 0x04064 -#define IXGBE_PRC511 0x04068 -#define IXGBE_PRC1023 0x0406C -#define IXGBE_PRC1522 0x04070 -#define IXGBE_GPRC 0x04074 -#define IXGBE_BPRC 0x04078 -#define IXGBE_MPRC 0x0407C -#define IXGBE_GPTC 0x04080 -#define IXGBE_GORCL 0x04088 -#define IXGBE_GORCH 0x0408C -#define IXGBE_GOTCL 0x04090 -#define IXGBE_GOTCH 0x04094 -#define IXGBE_RNBC(_i) (0x03FC0 + ((_i) * 4)) /* 8 of these 3FC0-3FDC*/ -#define IXGBE_RUC 0x040A4 -#define IXGBE_RFC 0x040A8 -#define IXGBE_ROC 0x040AC -#define IXGBE_RJC 0x040B0 -#define IXGBE_MNGPRC 0x040B4 -#define IXGBE_MNGPDC 0x040B8 -#define IXGBE_MNGPTC 0x0CF90 -#define IXGBE_TORL 0x040C0 -#define IXGBE_TORH 0x040C4 -#define IXGBE_TPR 0x040D0 -#define IXGBE_TPT 0x040D4 -#define IXGBE_PTC64 0x040D8 -#define IXGBE_PTC127 0x040DC -#define IXGBE_PTC255 0x040E0 -#define IXGBE_PTC511 0x040E4 -#define IXGBE_PTC1023 0x040E8 -#define IXGBE_PTC1522 0x040EC -#define IXGBE_MPTC 0x040F0 -#define IXGBE_BPTC 0x040F4 -#define IXGBE_XEC 0x04120 -#define IXGBE_SSVPC 0x08780 - -#define IXGBE_RQSMR(_i) (0x02300 + ((_i) * 4)) -#define IXGBE_TQSMR(_i) (((_i) <= 7) ? (0x07300 + ((_i) * 4)) : \ - (0x08600 + ((_i) * 4))) -#define IXGBE_TQSM(_i) (0x08600 + ((_i) * 4)) - -#define IXGBE_QPRC(_i) (0x01030 + ((_i) * 0x40)) /* 16 of these */ -#define IXGBE_QPTC(_i) (0x06030 + ((_i) * 0x40)) /* 16 of these */ -#define IXGBE_QBRC(_i) (0x01034 + ((_i) * 0x40)) /* 16 of these */ -#define IXGBE_QBTC(_i) (0x06034 + ((_i) * 0x40)) /* 16 of these */ -#define IXGBE_QPRDC(_i) (0x01430 + ((_i) * 0x40)) /* 16 of these */ -#define IXGBE_QBTC_L(_i) (0x08700 + ((_i) * 0x8)) /* 16 of these */ -#define IXGBE_QBTC_H(_i) (0x08704 + ((_i) * 0x8)) /* 16 of these */ -#define IXGBE_FCCRC 0x05118 /* Count of Good Eth CRC w/ Bad FC CRC */ -#define IXGBE_FCOERPDC 0x0241C /* FCoE Rx Packets Dropped Count */ -#define IXGBE_FCLAST 0x02424 /* FCoE Last Error Count */ -#define IXGBE_FCOEPRC 0x02428 /* Number of FCoE Packets Received */ -#define IXGBE_FCOEDWRC 0x0242C /* Number of FCoE DWords Received */ -#define IXGBE_FCOEPTC 0x08784 /* Number of FCoE Packets Transmitted */ -#define IXGBE_FCOEDWTC 0x08788 /* Number of FCoE DWords Transmitted */ - -/* Management */ -#define IXGBE_MAVTV(_i) (0x05010 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_MFUTP(_i) (0x05030 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_MANC 0x05820 -#define IXGBE_MFVAL 0x05824 -#define IXGBE_MANC2H 0x05860 -#define IXGBE_MDEF(_i) (0x05890 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_MIPAF 0x058B0 -#define IXGBE_MMAL(_i) (0x05910 + ((_i) * 8)) /* 4 of these (0-3) */ -#define IXGBE_MMAH(_i) (0x05914 + ((_i) * 8)) /* 4 of these (0-3) */ -#define IXGBE_FTFT 0x09400 /* 0x9400-0x97FC */ -#define IXGBE_METF(_i) (0x05190 + ((_i) * 4)) /* 4 of these (0-3) */ -#define IXGBE_MDEF_EXT(_i) (0x05160 + ((_i) * 4)) /* 8 of these (0-7) */ -#define IXGBE_LSWFW 0x15014 - -/* ARC Subsystem registers */ -#define IXGBE_HICR 0x15F00 -#define IXGBE_FWSTS 0x15F0C -#define IXGBE_HSMC0R 0x15F04 -#define IXGBE_HSMC1R 0x15F08 -#define IXGBE_SWSR 0x15F10 -#define IXGBE_HFDR 0x15FE8 -#define IXGBE_FLEX_MNG 0x15800 /* 0x15800 - 0x15EFC */ - -/* PCI-E registers */ -#define IXGBE_GCR 0x11000 -#define IXGBE_GTV 0x11004 -#define IXGBE_FUNCTAG 0x11008 -#define IXGBE_GLT 0x1100C -#define IXGBE_GSCL_1 0x11010 -#define IXGBE_GSCL_2 0x11014 -#define IXGBE_GSCL_3 0x11018 -#define IXGBE_GSCL_4 0x1101C -#define IXGBE_GSCN_0 0x11020 -#define IXGBE_GSCN_1 0x11024 -#define IXGBE_GSCN_2 0x11028 -#define IXGBE_GSCN_3 0x1102C -#define IXGBE_FACTPS 0x10150 -#define IXGBE_PCIEANACTL 0x11040 -#define IXGBE_SWSM 0x10140 -#define IXGBE_FWSM 0x10148 -#define IXGBE_GSSR 0x10160 -#define IXGBE_MREVID 0x11064 -#define IXGBE_DCA_ID 0x11070 -#define IXGBE_DCA_CTRL 0x11074 -#define IXGBE_SWFW_SYNC IXGBE_GSSR - -/* PCIe registers 82599-specific */ -#define IXGBE_GCR_EXT 0x11050 -#define IXGBE_GSCL_5_82599 0x11030 -#define IXGBE_GSCL_6_82599 0x11034 -#define IXGBE_GSCL_7_82599 0x11038 -#define IXGBE_GSCL_8_82599 0x1103C -#define IXGBE_PHYADR_82599 0x11040 -#define IXGBE_PHYDAT_82599 0x11044 -#define IXGBE_PHYCTL_82599 0x11048 -#define IXGBE_PBACLR_82599 0x11068 -#define IXGBE_CIAA_82599 0x11088 -#define IXGBE_CIAD_82599 0x1108C -#define IXGBE_PCIE_DIAG_0_82599 0x11090 -#define IXGBE_PCIE_DIAG_1_82599 0x11094 -#define IXGBE_PCIE_DIAG_2_82599 0x11098 -#define IXGBE_PCIE_DIAG_3_82599 0x1109C -#define IXGBE_PCIE_DIAG_4_82599 0x110A0 -#define IXGBE_PCIE_DIAG_5_82599 0x110A4 -#define IXGBE_PCIE_DIAG_6_82599 0x110A8 -#define IXGBE_PCIE_DIAG_7_82599 0x110C0 -#define IXGBE_INTRPT_CSR_82599 0x110B0 -#define IXGBE_INTRPT_MASK_82599 0x110B8 -#define IXGBE_CDQ_MBR_82599 0x110B4 -#define IXGBE_MISC_REG_82599 0x110F0 -#define IXGBE_ECC_CTRL_0_82599 0x11100 -#define IXGBE_ECC_CTRL_1_82599 0x11104 -#define IXGBE_ECC_STATUS_82599 0x110E0 -#define IXGBE_BAR_CTRL_82599 0x110F4 - -/* PCI Express Control */ -#define IXGBE_GCR_CMPL_TMOUT_MASK 0x0000F000 -#define IXGBE_GCR_CMPL_TMOUT_10ms 0x00001000 -#define IXGBE_GCR_CMPL_TMOUT_RESEND 0x00010000 -#define IXGBE_GCR_CAP_VER2 0x00040000 - -#define IXGBE_GCR_EXT_MSIX_EN 0x80000000 -#define IXGBE_GCR_EXT_VT_MODE_16 0x00000001 -#define IXGBE_GCR_EXT_VT_MODE_32 0x00000002 -#define IXGBE_GCR_EXT_VT_MODE_64 0x00000003 -#define IXGBE_GCR_EXT_SRIOV (IXGBE_GCR_EXT_MSIX_EN | \ - IXGBE_GCR_EXT_VT_MODE_64) - -/* Time Sync Registers */ -#define IXGBE_TSYNCRXCTL 0x05188 /* Rx Time Sync Control register - RW */ -#define IXGBE_TSYNCTXCTL 0x08C00 /* Tx Time Sync Control register - RW */ -#define IXGBE_RXSTMPL 0x051E8 /* Rx timestamp Low - RO */ -#define IXGBE_RXSTMPH 0x051A4 /* Rx timestamp High - RO */ -#define IXGBE_RXSATRL 0x051A0 /* Rx timestamp attribute low - RO */ -#define IXGBE_RXSATRH 0x051A8 /* Rx timestamp attribute high - RO */ -#define IXGBE_RXMTRL 0x05120 /* RX message type register low - RW */ -#define IXGBE_TXSTMPL 0x08C04 /* Tx timestamp value Low - RO */ -#define IXGBE_TXSTMPH 0x08C08 /* Tx timestamp value High - RO */ -#define IXGBE_SYSTIML 0x08C0C /* System time register Low - RO */ -#define IXGBE_SYSTIMH 0x08C10 /* System time register High - RO */ -#define IXGBE_TIMINCA 0x08C14 /* Increment attributes register - RW */ -#define IXGBE_RXUDP 0x08C1C /* Time Sync Rx UDP Port - RW */ - -/* Diagnostic Registers */ -#define IXGBE_RDSTATCTL 0x02C20 -#define IXGBE_RDSTAT(_i) (0x02C00 + ((_i) * 4)) /* 0x02C00-0x02C1C */ -#define IXGBE_RDHMPN 0x02F08 -#define IXGBE_RIC_DW(_i) (0x02F10 + ((_i) * 4)) -#define IXGBE_RDPROBE 0x02F20 -#define IXGBE_RDMAM 0x02F30 -#define IXGBE_RDMAD 0x02F34 -#define IXGBE_TDSTATCTL 0x07C20 -#define IXGBE_TDSTAT(_i) (0x07C00 + ((_i) * 4)) /* 0x07C00 - 0x07C1C */ -#define IXGBE_TDHMPN 0x07F08 -#define IXGBE_TDHMPN2 0x082FC -#define IXGBE_TXDESCIC 0x082CC -#define IXGBE_TIC_DW(_i) (0x07F10 + ((_i) * 4)) -#define IXGBE_TIC_DW2(_i) (0x082B0 + ((_i) * 4)) -#define IXGBE_TDPROBE 0x07F20 -#define IXGBE_TXBUFCTRL 0x0C600 -#define IXGBE_TXBUFDATA0 0x0C610 -#define IXGBE_TXBUFDATA1 0x0C614 -#define IXGBE_TXBUFDATA2 0x0C618 -#define IXGBE_TXBUFDATA3 0x0C61C -#define IXGBE_RXBUFCTRL 0x03600 -#define IXGBE_RXBUFDATA0 0x03610 -#define IXGBE_RXBUFDATA1 0x03614 -#define IXGBE_RXBUFDATA2 0x03618 -#define IXGBE_RXBUFDATA3 0x0361C -#define IXGBE_PCIE_DIAG(_i) (0x11090 + ((_i) * 4)) /* 8 of these */ -#define IXGBE_RFVAL 0x050A4 -#define IXGBE_MDFTC1 0x042B8 -#define IXGBE_MDFTC2 0x042C0 -#define IXGBE_MDFTFIFO1 0x042C4 -#define IXGBE_MDFTFIFO2 0x042C8 -#define IXGBE_MDFTS 0x042CC -#define IXGBE_RXDATAWRPTR(_i) (0x03700 + ((_i) * 4)) /* 8 of these 3700-370C*/ -#define IXGBE_RXDESCWRPTR(_i) (0x03710 + ((_i) * 4)) /* 8 of these 3710-371C*/ -#define IXGBE_RXDATARDPTR(_i) (0x03720 + ((_i) * 4)) /* 8 of these 3720-372C*/ -#define IXGBE_RXDESCRDPTR(_i) (0x03730 + ((_i) * 4)) /* 8 of these 3730-373C*/ -#define IXGBE_TXDATAWRPTR(_i) (0x0C700 + ((_i) * 4)) /* 8 of these C700-C70C*/ -#define IXGBE_TXDESCWRPTR(_i) (0x0C710 + ((_i) * 4)) /* 8 of these C710-C71C*/ -#define IXGBE_TXDATARDPTR(_i) (0x0C720 + ((_i) * 4)) /* 8 of these C720-C72C*/ -#define IXGBE_TXDESCRDPTR(_i) (0x0C730 + ((_i) * 4)) /* 8 of these C730-C73C*/ -#define IXGBE_PCIEECCCTL 0x1106C -#define IXGBE_PCIEECCCTL0 0x11100 -#define IXGBE_PCIEECCCTL1 0x11104 -#define IXGBE_PBTXECC 0x0C300 -#define IXGBE_PBRXECC 0x03300 -#define IXGBE_GHECCR 0x110B0 - -/* MAC Registers */ -#define IXGBE_PCS1GCFIG 0x04200 -#define IXGBE_PCS1GLCTL 0x04208 -#define IXGBE_PCS1GLSTA 0x0420C -#define IXGBE_PCS1GDBG0 0x04210 -#define IXGBE_PCS1GDBG1 0x04214 -#define IXGBE_PCS1GANA 0x04218 -#define IXGBE_PCS1GANLP 0x0421C -#define IXGBE_PCS1GANNP 0x04220 -#define IXGBE_PCS1GANLPNP 0x04224 -#define IXGBE_HLREG0 0x04240 -#define IXGBE_HLREG1 0x04244 -#define IXGBE_PAP 0x04248 -#define IXGBE_MACA 0x0424C -#define IXGBE_APAE 0x04250 -#define IXGBE_ARD 0x04254 -#define IXGBE_AIS 0x04258 -#define IXGBE_MSCA 0x0425C -#define IXGBE_MSRWD 0x04260 -#define IXGBE_MLADD 0x04264 -#define IXGBE_MHADD 0x04268 -#define IXGBE_MAXFRS 0x04268 -#define IXGBE_TREG 0x0426C -#define IXGBE_PCSS1 0x04288 -#define IXGBE_PCSS2 0x0428C -#define IXGBE_XPCSS 0x04290 -#define IXGBE_MFLCN 0x04294 -#define IXGBE_SERDESC 0x04298 -#define IXGBE_MACS 0x0429C -#define IXGBE_AUTOC 0x042A0 -#define IXGBE_LINKS 0x042A4 -#define IXGBE_LINKS2 0x04324 -#define IXGBE_AUTOC2 0x042A8 -#define IXGBE_AUTOC3 0x042AC -#define IXGBE_ANLP1 0x042B0 -#define IXGBE_ANLP2 0x042B4 -#define IXGBE_ATLASCTL 0x04800 -#define IXGBE_MMNGC 0x042D0 -#define IXGBE_ANLPNP1 0x042D4 -#define IXGBE_ANLPNP2 0x042D8 -#define IXGBE_KRPCSFC 0x042E0 -#define IXGBE_KRPCSS 0x042E4 -#define IXGBE_FECS1 0x042E8 -#define IXGBE_FECS2 0x042EC -#define IXGBE_SMADARCTL 0x14F10 -#define IXGBE_MPVC 0x04318 -#define IXGBE_SGMIIC 0x04314 - -#define IXGBE_VALIDATE_LINK_READY_TIMEOUT 50 - -/* Omer CORECTL */ -#define IXGBE_CORECTL 0x014F00 -/* BARCTRL */ -#define IXGBE_BARCTRL 0x110F4 -#define IXGBE_BARCTRL_FLSIZE 0x0700 -#define IXGBE_BARCTRL_CSRSIZE 0x2000 - -/* RDRXCTL Bit Masks */ -#define IXGBE_RDRXCTL_RDMTS_1_2 0x00000000 /* Rx Desc Min Threshold Size */ -#define IXGBE_RDRXCTL_CRCSTRIP 0x00000002 /* CRC Strip */ -#define IXGBE_RDRXCTL_MVMEN 0x00000020 -#define IXGBE_RDRXCTL_DMAIDONE 0x00000008 /* DMA init cycle done */ -#define IXGBE_RDRXCTL_AGGDIS 0x00010000 /* Aggregation disable */ -#define IXGBE_RDRXCTL_RSCACKC 0x02000000 /* must set 1 when RSC enabled */ -#define IXGBE_RDRXCTL_FCOE_WRFIX 0x04000000 /* must set 1 when RSC enabled */ - -/* RQTC Bit Masks and Shifts */ -#define IXGBE_RQTC_SHIFT_TC(_i) ((_i) * 4) -#define IXGBE_RQTC_TC0_MASK (0x7 << 0) -#define IXGBE_RQTC_TC1_MASK (0x7 << 4) -#define IXGBE_RQTC_TC2_MASK (0x7 << 8) -#define IXGBE_RQTC_TC3_MASK (0x7 << 12) -#define IXGBE_RQTC_TC4_MASK (0x7 << 16) -#define IXGBE_RQTC_TC5_MASK (0x7 << 20) -#define IXGBE_RQTC_TC6_MASK (0x7 << 24) -#define IXGBE_RQTC_TC7_MASK (0x7 << 28) - -/* PSRTYPE.RQPL Bit masks and shift */ -#define IXGBE_PSRTYPE_RQPL_MASK 0x7 -#define IXGBE_PSRTYPE_RQPL_SHIFT 29 - -/* CTRL Bit Masks */ -#define IXGBE_CTRL_GIO_DIS 0x00000004 /* Global IO Master Disable bit */ -#define IXGBE_CTRL_LNK_RST 0x00000008 /* Link Reset. Resets everything. */ -#define IXGBE_CTRL_RST 0x04000000 /* Reset (SW) */ - -/* FACTPS */ -#define IXGBE_FACTPS_LFS 0x40000000 /* LAN Function Select */ - -/* MHADD Bit Masks */ -#define IXGBE_MHADD_MFS_MASK 0xFFFF0000 -#define IXGBE_MHADD_MFS_SHIFT 16 - -/* Extended Device Control */ -#define IXGBE_CTRL_EXT_PFRSTD 0x00004000 /* Physical Function Reset Done */ -#define IXGBE_CTRL_EXT_NS_DIS 0x00010000 /* No Snoop disable */ -#define IXGBE_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ -#define IXGBE_CTRL_EXT_DRV_LOAD 0x10000000 /* Driver loaded bit for FW */ - -/* Direct Cache Access (DCA) definitions */ -#define IXGBE_DCA_CTRL_DCA_ENABLE 0x00000000 /* DCA Enable */ -#define IXGBE_DCA_CTRL_DCA_DISABLE 0x00000001 /* DCA Disable */ - -#define IXGBE_DCA_CTRL_DCA_MODE_CB1 0x00 /* DCA Mode CB1 */ -#define IXGBE_DCA_CTRL_DCA_MODE_CB2 0x02 /* DCA Mode CB2 */ - -#define IXGBE_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */ -#define IXGBE_DCA_RXCTRL_CPUID_MASK_82599 0xFF000000 /* Rx CPUID Mask */ -#define IXGBE_DCA_RXCTRL_CPUID_SHIFT_82599 24 /* Rx CPUID Shift */ -#define IXGBE_DCA_RXCTRL_DESC_DCA_EN (1 << 5) /* DCA Rx Desc enable */ -#define IXGBE_DCA_RXCTRL_HEAD_DCA_EN (1 << 6) /* DCA Rx Desc header enable */ -#define IXGBE_DCA_RXCTRL_DATA_DCA_EN (1 << 7) /* DCA Rx Desc payload enable */ -#define IXGBE_DCA_RXCTRL_DESC_RRO_EN (1 << 9) /* DCA Rx rd Desc Relax Order */ -#define IXGBE_DCA_RXCTRL_DESC_WRO_EN (1 << 13) /* DCA Rx wr Desc Relax Order */ -#define IXGBE_DCA_RXCTRL_DESC_HSRO_EN (1 << 15) /* DCA Rx Split Header RO */ - -#define IXGBE_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */ -#define IXGBE_DCA_TXCTRL_CPUID_MASK_82599 0xFF000000 /* Tx CPUID Mask */ -#define IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599 24 /* Tx CPUID Shift */ -#define IXGBE_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */ -#define IXGBE_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */ -#define IXGBE_DCA_MAX_QUEUES_82598 16 /* DCA regs only on 16 queues */ - -/* MSCA Bit Masks */ -#define IXGBE_MSCA_NP_ADDR_MASK 0x0000FFFF /* MDI Address (new protocol) */ -#define IXGBE_MSCA_NP_ADDR_SHIFT 0 -#define IXGBE_MSCA_DEV_TYPE_MASK 0x001F0000 /* Device Type (new protocol) */ -#define IXGBE_MSCA_DEV_TYPE_SHIFT 16 /* Register Address (old protocol */ -#define IXGBE_MSCA_PHY_ADDR_MASK 0x03E00000 /* PHY Address mask */ -#define IXGBE_MSCA_PHY_ADDR_SHIFT 21 /* PHY Address shift*/ -#define IXGBE_MSCA_OP_CODE_MASK 0x0C000000 /* OP CODE mask */ -#define IXGBE_MSCA_OP_CODE_SHIFT 26 /* OP CODE shift */ -#define IXGBE_MSCA_ADDR_CYCLE 0x00000000 /* OP CODE 00 (addr cycle) */ -#define IXGBE_MSCA_WRITE 0x04000000 /* OP CODE 01 (write) */ -#define IXGBE_MSCA_READ 0x08000000 /* OP CODE 10 (read) */ -#define IXGBE_MSCA_READ_AUTOINC 0x0C000000 /* OP CODE 11 (read, auto inc)*/ -#define IXGBE_MSCA_ST_CODE_MASK 0x30000000 /* ST Code mask */ -#define IXGBE_MSCA_ST_CODE_SHIFT 28 /* ST Code shift */ -#define IXGBE_MSCA_NEW_PROTOCOL 0x00000000 /* ST CODE 00 (new protocol) */ -#define IXGBE_MSCA_OLD_PROTOCOL 0x10000000 /* ST CODE 01 (old protocol) */ -#define IXGBE_MSCA_MDI_COMMAND 0x40000000 /* Initiate MDI command */ -#define IXGBE_MSCA_MDI_IN_PROG_EN 0x80000000 /* MDI in progress enable */ - -/* MSRWD bit masks */ -#define IXGBE_MSRWD_WRITE_DATA_MASK 0x0000FFFF -#define IXGBE_MSRWD_WRITE_DATA_SHIFT 0 -#define IXGBE_MSRWD_READ_DATA_MASK 0xFFFF0000 -#define IXGBE_MSRWD_READ_DATA_SHIFT 16 - -/* Atlas registers */ -#define IXGBE_ATLAS_PDN_LPBK 0x24 -#define IXGBE_ATLAS_PDN_10G 0xB -#define IXGBE_ATLAS_PDN_1G 0xC -#define IXGBE_ATLAS_PDN_AN 0xD - -/* Atlas bit masks */ -#define IXGBE_ATLASCTL_WRITE_CMD 0x00010000 -#define IXGBE_ATLAS_PDN_TX_REG_EN 0x10 -#define IXGBE_ATLAS_PDN_TX_10G_QL_ALL 0xF0 -#define IXGBE_ATLAS_PDN_TX_1G_QL_ALL 0xF0 -#define IXGBE_ATLAS_PDN_TX_AN_QL_ALL 0xF0 - -/* Omer bit masks */ -#define IXGBE_CORECTL_WRITE_CMD 0x00010000 - -/* MDIO definitions */ - -#define IXGBE_MDIO_COMMAND_TIMEOUT 100 /* PHY Timeout for 1 GB mode */ - -#define IXGBE_MDIO_VENDOR_SPECIFIC_1_CONTROL 0x0 /* VS1 Control Reg */ -#define IXGBE_MDIO_VENDOR_SPECIFIC_1_STATUS 0x1 /* VS1 Status Reg */ -#define IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS 0x0008 /* 1 = Link Up */ -#define IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS 0x0010 /* 0 - 10G, 1 - 1G */ -#define IXGBE_MDIO_VENDOR_SPECIFIC_1_10G_SPEED 0x0018 -#define IXGBE_MDIO_VENDOR_SPECIFIC_1_1G_SPEED 0x0010 - -#define IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR 0xC30A /* PHY_XS SDA/SCL Addr Reg */ -#define IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA 0xC30B /* PHY_XS SDA/SCL Data Reg */ -#define IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT 0xC30C /* PHY_XS SDA/SCL Status Reg */ - -#define IXGBE_PHY_REVISION_MASK 0xFFFFFFF0 -#define IXGBE_MAX_PHY_ADDR 32 - -/* PHY IDs*/ -#define TN1010_PHY_ID 0x00A19410 -#define TNX_FW_REV 0xB -#define AQ1202_PHY_ID 0x03A1B440 -#define QT2022_PHY_ID 0x0043A400 -#define ATH_PHY_ID 0x03429050 -#define AQ_FW_REV 0x20 - -/* PHY Types */ -#define IXGBE_M88E1145_E_PHY_ID 0x01410CD0 - -/* Special PHY Init Routine */ -#define IXGBE_PHY_INIT_OFFSET_NL 0x002B -#define IXGBE_PHY_INIT_END_NL 0xFFFF -#define IXGBE_CONTROL_MASK_NL 0xF000 -#define IXGBE_DATA_MASK_NL 0x0FFF -#define IXGBE_CONTROL_SHIFT_NL 12 -#define IXGBE_DELAY_NL 0 -#define IXGBE_DATA_NL 1 -#define IXGBE_CONTROL_NL 0x000F -#define IXGBE_CONTROL_EOL_NL 0x0FFF -#define IXGBE_CONTROL_SOL_NL 0x0000 - -/* General purpose Interrupt Enable */ -#define IXGBE_SDP0_GPIEN 0x00000001 /* SDP0 */ -#define IXGBE_SDP1_GPIEN 0x00000002 /* SDP1 */ -#define IXGBE_SDP2_GPIEN 0x00000004 /* SDP2 */ -#define IXGBE_GPIE_MSIX_MODE 0x00000010 /* MSI-X mode */ -#define IXGBE_GPIE_OCD 0x00000020 /* Other Clear Disable */ -#define IXGBE_GPIE_EIMEN 0x00000040 /* Immediate Interrupt Enable */ -#define IXGBE_GPIE_EIAME 0x40000000 -#define IXGBE_GPIE_PBA_SUPPORT 0x80000000 -#define IXGBE_GPIE_VTMODE_MASK 0x0000C000 /* VT Mode Mask */ -#define IXGBE_GPIE_VTMODE_16 0x00004000 /* 16 VFs 8 queues per VF */ -#define IXGBE_GPIE_VTMODE_32 0x00008000 /* 32 VFs 4 queues per VF */ -#define IXGBE_GPIE_VTMODE_64 0x0000C000 /* 64 VFs 2 queues per VF */ - -/* Transmit Flow Control status */ -#define IXGBE_TFCS_TXOFF 0x00000001 -#define IXGBE_TFCS_TXOFF0 0x00000100 -#define IXGBE_TFCS_TXOFF1 0x00000200 -#define IXGBE_TFCS_TXOFF2 0x00000400 -#define IXGBE_TFCS_TXOFF3 0x00000800 -#define IXGBE_TFCS_TXOFF4 0x00001000 -#define IXGBE_TFCS_TXOFF5 0x00002000 -#define IXGBE_TFCS_TXOFF6 0x00004000 -#define IXGBE_TFCS_TXOFF7 0x00008000 - -/* TCP Timer */ -#define IXGBE_TCPTIMER_KS 0x00000100 -#define IXGBE_TCPTIMER_COUNT_ENABLE 0x00000200 -#define IXGBE_TCPTIMER_COUNT_FINISH 0x00000400 -#define IXGBE_TCPTIMER_LOOP 0x00000800 -#define IXGBE_TCPTIMER_DURATION_MASK 0x000000FF - -/* HLREG0 Bit Masks */ -#define IXGBE_HLREG0_TXCRCEN 0x00000001 /* bit 0 */ -#define IXGBE_HLREG0_RXCRCSTRP 0x00000002 /* bit 1 */ -#define IXGBE_HLREG0_JUMBOEN 0x00000004 /* bit 2 */ -#define IXGBE_HLREG0_TXPADEN 0x00000400 /* bit 10 */ -#define IXGBE_HLREG0_TXPAUSEEN 0x00001000 /* bit 12 */ -#define IXGBE_HLREG0_RXPAUSEEN 0x00004000 /* bit 14 */ -#define IXGBE_HLREG0_LPBK 0x00008000 /* bit 15 */ -#define IXGBE_HLREG0_MDCSPD 0x00010000 /* bit 16 */ -#define IXGBE_HLREG0_CONTMDC 0x00020000 /* bit 17 */ -#define IXGBE_HLREG0_CTRLFLTR 0x00040000 /* bit 18 */ -#define IXGBE_HLREG0_PREPEND 0x00F00000 /* bits 20-23 */ -#define IXGBE_HLREG0_PRIPAUSEEN 0x01000000 /* bit 24 */ -#define IXGBE_HLREG0_RXPAUSERECDA 0x06000000 /* bits 25-26 */ -#define IXGBE_HLREG0_RXLNGTHERREN 0x08000000 /* bit 27 */ -#define IXGBE_HLREG0_RXPADSTRIPEN 0x10000000 /* bit 28 */ - -/* VMD_CTL bitmasks */ -#define IXGBE_VMD_CTL_VMDQ_EN 0x00000001 -#define IXGBE_VMD_CTL_VMDQ_FILTER 0x00000002 - -/* VT_CTL bitmasks */ -#define IXGBE_VT_CTL_DIS_DEFPL 0x20000000 /* disable default pool */ -#define IXGBE_VT_CTL_REPLEN 0x40000000 /* replication enabled */ -#define IXGBE_VT_CTL_VT_ENABLE 0x00000001 /* Enable VT Mode */ -#define IXGBE_VT_CTL_POOL_SHIFT 7 -#define IXGBE_VT_CTL_POOL_MASK (0x3F << IXGBE_VT_CTL_POOL_SHIFT) - -/* VMOLR bitmasks */ -#define IXGBE_VMOLR_AUPE 0x01000000 /* accept untagged packets */ -#define IXGBE_VMOLR_ROMPE 0x02000000 /* accept packets in MTA tbl */ -#define IXGBE_VMOLR_ROPE 0x04000000 /* accept packets in UC tbl */ -#define IXGBE_VMOLR_BAM 0x08000000 /* accept broadcast packets */ -#define IXGBE_VMOLR_MPE 0x10000000 /* multicast promiscuous */ - -/* VFRE bitmask */ -#define IXGBE_VFRE_ENABLE_ALL 0xFFFFFFFF - -#define IXGBE_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */ - -/* RDHMPN and TDHMPN bitmasks */ -#define IXGBE_RDHMPN_RDICADDR 0x007FF800 -#define IXGBE_RDHMPN_RDICRDREQ 0x00800000 -#define IXGBE_RDHMPN_RDICADDR_SHIFT 11 -#define IXGBE_TDHMPN_TDICADDR 0x003FF800 -#define IXGBE_TDHMPN_TDICRDREQ 0x00800000 -#define IXGBE_TDHMPN_TDICADDR_SHIFT 11 - -#define IXGBE_RDMAM_MEM_SEL_SHIFT 13 -#define IXGBE_RDMAM_DWORD_SHIFT 9 -#define IXGBE_RDMAM_DESC_COMP_FIFO 1 -#define IXGBE_RDMAM_DFC_CMD_FIFO 2 -#define IXGBE_RDMAM_TCN_STATUS_RAM 4 -#define IXGBE_RDMAM_WB_COLL_FIFO 5 -#define IXGBE_RDMAM_QSC_CNT_RAM 6 -#define IXGBE_RDMAM_QSC_QUEUE_CNT 8 -#define IXGBE_RDMAM_QSC_QUEUE_RAM 0xA -#define IXGBE_RDMAM_DESC_COM_FIFO_RANGE 135 -#define IXGBE_RDMAM_DESC_COM_FIFO_COUNT 4 -#define IXGBE_RDMAM_DFC_CMD_FIFO_RANGE 48 -#define IXGBE_RDMAM_DFC_CMD_FIFO_COUNT 7 -#define IXGBE_RDMAM_TCN_STATUS_RAM_RANGE 256 -#define IXGBE_RDMAM_TCN_STATUS_RAM_COUNT 9 -#define IXGBE_RDMAM_WB_COLL_FIFO_RANGE 8 -#define IXGBE_RDMAM_WB_COLL_FIFO_COUNT 4 -#define IXGBE_RDMAM_QSC_CNT_RAM_RANGE 64 -#define IXGBE_RDMAM_QSC_CNT_RAM_COUNT 4 -#define IXGBE_RDMAM_QSC_QUEUE_CNT_RANGE 32 -#define IXGBE_RDMAM_QSC_QUEUE_CNT_COUNT 4 -#define IXGBE_RDMAM_QSC_QUEUE_RAM_RANGE 128 -#define IXGBE_RDMAM_QSC_QUEUE_RAM_COUNT 8 - -#define IXGBE_TXDESCIC_READY 0x80000000 - -/* Receive Checksum Control */ -#define IXGBE_RXCSUM_IPPCSE 0x00001000 /* IP payload checksum enable */ -#define IXGBE_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */ - -/* FCRTL Bit Masks */ -#define IXGBE_FCRTL_XONE 0x80000000 /* XON enable */ -#define IXGBE_FCRTH_FCEN 0x80000000 /* Packet buffer fc enable */ - -/* PAP bit masks*/ -#define IXGBE_PAP_TXPAUSECNT_MASK 0x0000FFFF /* Pause counter mask */ - -/* RMCS Bit Masks */ -#define IXGBE_RMCS_RRM 0x00000002 /* Receive Recycle Mode enable */ -/* Receive Arbitration Control: 0 Round Robin, 1 DFP */ -#define IXGBE_RMCS_RAC 0x00000004 -#define IXGBE_RMCS_DFP IXGBE_RMCS_RAC /* Deficit Fixed Priority ena */ -#define IXGBE_RMCS_TFCE_802_3X 0x00000008 /* Tx Priority FC ena */ -#define IXGBE_RMCS_TFCE_PRIORITY 0x00000010 /* Tx Priority FC ena */ -#define IXGBE_RMCS_ARBDIS 0x00000040 /* Arbitration disable bit */ - -/* FCCFG Bit Masks */ -#define IXGBE_FCCFG_TFCE_802_3X 0x00000008 /* Tx link FC enable */ -#define IXGBE_FCCFG_TFCE_PRIORITY 0x00000010 /* Tx priority FC enable */ - -/* Interrupt register bitmasks */ - -/* Extended Interrupt Cause Read */ -#define IXGBE_EICR_RTX_QUEUE 0x0000FFFF /* RTx Queue Interrupt */ -#define IXGBE_EICR_FLOW_DIR 0x00010000 /* FDir Exception */ -#define IXGBE_EICR_RX_MISS 0x00020000 /* Packet Buffer Overrun */ -#define IXGBE_EICR_PCI 0x00040000 /* PCI Exception */ -#define IXGBE_EICR_MAILBOX 0x00080000 /* VF to PF Mailbox Interrupt */ -#define IXGBE_EICR_LSC 0x00100000 /* Link Status Change */ -#define IXGBE_EICR_LINKSEC 0x00200000 /* PN Threshold */ -#define IXGBE_EICR_MNG 0x00400000 /* Manageability Event Interrupt */ -#define IXGBE_EICR_GPI_SDP0 0x01000000 /* Gen Purpose Interrupt on SDP0 */ -#define IXGBE_EICR_GPI_SDP1 0x02000000 /* Gen Purpose Interrupt on SDP1 */ -#define IXGBE_EICR_GPI_SDP2 0x04000000 /* Gen Purpose Interrupt on SDP2 */ -#define IXGBE_EICR_ECC 0x10000000 /* ECC Error */ -#define IXGBE_EICR_PBUR 0x10000000 /* Packet Buffer Handler Error */ -#define IXGBE_EICR_DHER 0x20000000 /* Descriptor Handler Error */ -#define IXGBE_EICR_TCP_TIMER 0x40000000 /* TCP Timer */ -#define IXGBE_EICR_OTHER 0x80000000 /* Interrupt Cause Active */ - -/* Extended Interrupt Cause Set */ -#define IXGBE_EICS_RTX_QUEUE IXGBE_EICR_RTX_QUEUE /* RTx Queue Interrupt */ -#define IXGBE_EICS_FLOW_DIR IXGBE_EICR_FLOW_DIR /* FDir Exception */ -#define IXGBE_EICS_RX_MISS IXGBE_EICR_RX_MISS /* Pkt Buffer Overrun */ -#define IXGBE_EICS_PCI IXGBE_EICR_PCI /* PCI Exception */ -#define IXGBE_EICS_MAILBOX IXGBE_EICR_MAILBOX /* VF to PF Mailbox Int */ -#define IXGBE_EICS_LSC IXGBE_EICR_LSC /* Link Status Change */ -#define IXGBE_EICS_MNG IXGBE_EICR_MNG /* MNG Event Interrupt */ -#define IXGBE_EICS_GPI_SDP0 IXGBE_EICR_GPI_SDP0 /* SDP0 Gen Purpose Int */ -#define IXGBE_EICS_GPI_SDP1 IXGBE_EICR_GPI_SDP1 /* SDP1 Gen Purpose Int */ -#define IXGBE_EICS_GPI_SDP2 IXGBE_EICR_GPI_SDP2 /* SDP2 Gen Purpose Int */ -#define IXGBE_EICS_ECC IXGBE_EICR_ECC /* ECC Error */ -#define IXGBE_EICS_PBUR IXGBE_EICR_PBUR /* Pkt Buf Handler Err */ -#define IXGBE_EICS_DHER IXGBE_EICR_DHER /* Desc Handler Error */ -#define IXGBE_EICS_TCP_TIMER IXGBE_EICR_TCP_TIMER /* TCP Timer */ -#define IXGBE_EICS_OTHER IXGBE_EICR_OTHER /* INT Cause Active */ - -/* Extended Interrupt Mask Set */ -#define IXGBE_EIMS_RTX_QUEUE IXGBE_EICR_RTX_QUEUE /* RTx Queue Interrupt */ -#define IXGBE_EIMS_FLOW_DIR IXGBE_EICR_FLOW_DIR /* FDir Exception */ -#define IXGBE_EIMS_RX_MISS IXGBE_EICR_RX_MISS /* Packet Buffer Overrun */ -#define IXGBE_EIMS_PCI IXGBE_EICR_PCI /* PCI Exception */ -#define IXGBE_EIMS_MAILBOX IXGBE_EICR_MAILBOX /* VF to PF Mailbox Int */ -#define IXGBE_EIMS_LSC IXGBE_EICR_LSC /* Link Status Change */ -#define IXGBE_EIMS_MNG IXGBE_EICR_MNG /* MNG Event Interrupt */ -#define IXGBE_EIMS_GPI_SDP0 IXGBE_EICR_GPI_SDP0 /* SDP0 Gen Purpose Int */ -#define IXGBE_EIMS_GPI_SDP1 IXGBE_EICR_GPI_SDP1 /* SDP1 Gen Purpose Int */ -#define IXGBE_EIMS_GPI_SDP2 IXGBE_EICR_GPI_SDP2 /* SDP2 Gen Purpose Int */ -#define IXGBE_EIMS_ECC IXGBE_EICR_ECC /* ECC Error */ -#define IXGBE_EIMS_PBUR IXGBE_EICR_PBUR /* Pkt Buf Handler Err */ -#define IXGBE_EIMS_DHER IXGBE_EICR_DHER /* Descr Handler Error */ -#define IXGBE_EIMS_TCP_TIMER IXGBE_EICR_TCP_TIMER /* TCP Timer */ -#define IXGBE_EIMS_OTHER IXGBE_EICR_OTHER /* INT Cause Active */ - -/* Extended Interrupt Mask Clear */ -#define IXGBE_EIMC_RTX_QUEUE IXGBE_EICR_RTX_QUEUE /* RTx Queue Interrupt */ -#define IXGBE_EIMC_FLOW_DIR IXGBE_EICR_FLOW_DIR /* FDir Exception */ -#define IXGBE_EIMC_RX_MISS IXGBE_EICR_RX_MISS /* Packet Buffer Overrun */ -#define IXGBE_EIMC_PCI IXGBE_EICR_PCI /* PCI Exception */ -#define IXGBE_EIMC_MAILBOX IXGBE_EICR_MAILBOX /* VF to PF Mailbox Int */ -#define IXGBE_EIMC_LSC IXGBE_EICR_LSC /* Link Status Change */ -#define IXGBE_EIMC_MNG IXGBE_EICR_MNG /* MNG Event Interrupt */ -#define IXGBE_EIMC_GPI_SDP0 IXGBE_EICR_GPI_SDP0 /* SDP0 Gen Purpose Int */ -#define IXGBE_EIMC_GPI_SDP1 IXGBE_EICR_GPI_SDP1 /* SDP1 Gen Purpose Int */ -#define IXGBE_EIMC_GPI_SDP2 IXGBE_EICR_GPI_SDP2 /* SDP2 Gen Purpose Int */ -#define IXGBE_EIMC_ECC IXGBE_EICR_ECC /* ECC Error */ -#define IXGBE_EIMC_PBUR IXGBE_EICR_PBUR /* Pkt Buf Handler Err */ -#define IXGBE_EIMC_DHER IXGBE_EICR_DHER /* Desc Handler Err */ -#define IXGBE_EIMC_TCP_TIMER IXGBE_EICR_TCP_TIMER /* TCP Timer */ -#define IXGBE_EIMC_OTHER IXGBE_EICR_OTHER /* INT Cause Active */ - -#define IXGBE_EIMS_ENABLE_MASK ( \ - IXGBE_EIMS_RTX_QUEUE | \ - IXGBE_EIMS_LSC | \ - IXGBE_EIMS_TCP_TIMER | \ - IXGBE_EIMS_OTHER) - -/* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */ -#define IXGBE_IMIR_PORT_IM_EN 0x00010000 /* TCP port enable */ -#define IXGBE_IMIR_PORT_BP 0x00020000 /* TCP port check bypass */ -#define IXGBE_IMIREXT_SIZE_BP 0x00001000 /* Packet size bypass */ -#define IXGBE_IMIREXT_CTRL_URG 0x00002000 /* Check URG bit in header */ -#define IXGBE_IMIREXT_CTRL_ACK 0x00004000 /* Check ACK bit in header */ -#define IXGBE_IMIREXT_CTRL_PSH 0x00008000 /* Check PSH bit in header */ -#define IXGBE_IMIREXT_CTRL_RST 0x00010000 /* Check RST bit in header */ -#define IXGBE_IMIREXT_CTRL_SYN 0x00020000 /* Check SYN bit in header */ -#define IXGBE_IMIREXT_CTRL_FIN 0x00040000 /* Check FIN bit in header */ -#define IXGBE_IMIREXT_CTRL_BP 0x00080000 /* Bypass check of control bits */ -#define IXGBE_IMIR_SIZE_BP_82599 0x00001000 /* Packet size bypass */ -#define IXGBE_IMIR_CTRL_URG_82599 0x00002000 /* Check URG bit in header */ -#define IXGBE_IMIR_CTRL_ACK_82599 0x00004000 /* Check ACK bit in header */ -#define IXGBE_IMIR_CTRL_PSH_82599 0x00008000 /* Check PSH bit in header */ -#define IXGBE_IMIR_CTRL_RST_82599 0x00010000 /* Check RST bit in header */ -#define IXGBE_IMIR_CTRL_SYN_82599 0x00020000 /* Check SYN bit in header */ -#define IXGBE_IMIR_CTRL_FIN_82599 0x00040000 /* Check FIN bit in header */ -#define IXGBE_IMIR_CTRL_BP_82599 0x00080000 /* Bypass check of control bits */ -#define IXGBE_IMIR_LLI_EN_82599 0x00100000 /* Enables low latency Int */ -#define IXGBE_IMIR_RX_QUEUE_MASK_82599 0x0000007F /* Rx Queue Mask */ -#define IXGBE_IMIR_RX_QUEUE_SHIFT_82599 21 /* Rx Queue Shift */ -#define IXGBE_IMIRVP_PRIORITY_MASK 0x00000007 /* VLAN priority mask */ -#define IXGBE_IMIRVP_PRIORITY_EN 0x00000008 /* VLAN priority enable */ - -#define IXGBE_MAX_FTQF_FILTERS 128 -#define IXGBE_FTQF_PROTOCOL_MASK 0x00000003 -#define IXGBE_FTQF_PROTOCOL_TCP 0x00000000 -#define IXGBE_FTQF_PROTOCOL_UDP 0x00000001 -#define IXGBE_FTQF_PROTOCOL_SCTP 2 -#define IXGBE_FTQF_PRIORITY_MASK 0x00000007 -#define IXGBE_FTQF_PRIORITY_SHIFT 2 -#define IXGBE_FTQF_POOL_MASK 0x0000003F -#define IXGBE_FTQF_POOL_SHIFT 8 -#define IXGBE_FTQF_5TUPLE_MASK_MASK 0x0000001F -#define IXGBE_FTQF_5TUPLE_MASK_SHIFT 25 -#define IXGBE_FTQF_POOL_MASK_EN 0x40000000 -#define IXGBE_FTQF_QUEUE_ENABLE 0x80000000 - -/* Interrupt clear mask */ -#define IXGBE_IRQ_CLEAR_MASK 0xFFFFFFFF - -/* Interrupt Vector Allocation Registers */ -#define IXGBE_IVAR_REG_NUM 25 -#define IXGBE_IVAR_REG_NUM_82599 64 -#define IXGBE_IVAR_TXRX_ENTRY 96 -#define IXGBE_IVAR_RX_ENTRY 64 -#define IXGBE_IVAR_RX_QUEUE(_i) (0 + (_i)) -#define IXGBE_IVAR_TX_QUEUE(_i) (64 + (_i)) -#define IXGBE_IVAR_TX_ENTRY 32 - -#define IXGBE_IVAR_TCP_TIMER_INDEX 96 /* 0 based index */ -#define IXGBE_IVAR_OTHER_CAUSES_INDEX 97 /* 0 based index */ - -#define IXGBE_MSIX_VECTOR(_i) (0 + (_i)) - -#define IXGBE_IVAR_ALLOC_VAL 0x80 /* Interrupt Allocation valid */ - -/* ETYPE Queue Filter/Select Bit Masks */ -#define IXGBE_MAX_ETQF_FILTERS 8 -#define IXGBE_ETQF_FCOE 0x08000000 /* bit 27 */ -#define IXGBE_ETQF_BCN 0x10000000 /* bit 28 */ -#define IXGBE_ETQF_1588 0x40000000 /* bit 30 */ -#define IXGBE_ETQF_FILTER_EN 0x80000000 /* bit 31 */ -#define IXGBE_ETQF_POOL_ENABLE (1 << 26) /* bit 26 */ - -#define IXGBE_ETQS_RX_QUEUE 0x007F0000 /* bits 22:16 */ -#define IXGBE_ETQS_RX_QUEUE_SHIFT 16 -#define IXGBE_ETQS_LLI 0x20000000 /* bit 29 */ -#define IXGBE_ETQS_QUEUE_EN 0x80000000 /* bit 31 */ - -/* - * ETQF filter list: one static filter per filter consumer. This is - * to avoid filter collisions later. Add new filters - * here!! - * - * Current filters: - * EAPOL 802.1x (0x888e): Filter 0 - * BCN (0x8904): Filter 1 - * 1588 (0x88f7): Filter 3 - */ -#define IXGBE_ETQF_FILTER_EAPOL 0 -#define IXGBE_ETQF_FILTER_BCN 1 -#define IXGBE_ETQF_FILTER_FCOE 2 -#define IXGBE_ETQF_FILTER_1588 3 -#define IXGBE_ETQF_FILTER_FIP 4 -/* VLAN Control Bit Masks */ -#define IXGBE_VLNCTRL_VET 0x0000FFFF /* bits 0-15 */ -#define IXGBE_VLNCTRL_CFI 0x10000000 /* bit 28 */ -#define IXGBE_VLNCTRL_CFIEN 0x20000000 /* bit 29 */ -#define IXGBE_VLNCTRL_VFE 0x40000000 /* bit 30 */ -#define IXGBE_VLNCTRL_VME 0x80000000 /* bit 31 */ - -/* VLAN pool filtering masks */ -#define IXGBE_VLVF_VIEN 0x80000000 /* filter is valid */ -#define IXGBE_VLVF_ENTRIES 64 -#define IXGBE_VLVF_VLANID_MASK 0x00000FFF - -/* Per VF Port VLAN insertion rules */ -#define IXGBE_VMVIR_VLANA_DEFAULT 0x40000000 /* Always use default VLAN */ -#define IXGBE_VMVIR_VLANA_NEVER 0x80000000 /* Never insert VLAN tag */ - -#define IXGBE_ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.1q protocol */ - -/* STATUS Bit Masks */ -#define IXGBE_STATUS_LAN_ID 0x0000000C /* LAN ID */ -#define IXGBE_STATUS_LAN_ID_SHIFT 2 /* LAN ID Shift*/ -#define IXGBE_STATUS_GIO 0x00080000 /* GIO Master Enable Status */ - -#define IXGBE_STATUS_LAN_ID_0 0x00000000 /* LAN ID 0 */ -#define IXGBE_STATUS_LAN_ID_1 0x00000004 /* LAN ID 1 */ - -/* ESDP Bit Masks */ -#define IXGBE_ESDP_SDP0 0x00000001 /* SDP0 Data Value */ -#define IXGBE_ESDP_SDP1 0x00000002 /* SDP1 Data Value */ -#define IXGBE_ESDP_SDP2 0x00000004 /* SDP2 Data Value */ -#define IXGBE_ESDP_SDP3 0x00000008 /* SDP3 Data Value */ -#define IXGBE_ESDP_SDP4 0x00000010 /* SDP4 Data Value */ -#define IXGBE_ESDP_SDP5 0x00000020 /* SDP5 Data Value */ -#define IXGBE_ESDP_SDP6 0x00000040 /* SDP6 Data Value */ -#define IXGBE_ESDP_SDP4_DIR 0x00000004 /* SDP4 IO direction */ -#define IXGBE_ESDP_SDP5_DIR 0x00002000 /* SDP5 IO direction */ - -/* LEDCTL Bit Masks */ -#define IXGBE_LED_IVRT_BASE 0x00000040 -#define IXGBE_LED_BLINK_BASE 0x00000080 -#define IXGBE_LED_MODE_MASK_BASE 0x0000000F -#define IXGBE_LED_OFFSET(_base, _i) (_base << (8 * (_i))) -#define IXGBE_LED_MODE_SHIFT(_i) (8*(_i)) -#define IXGBE_LED_IVRT(_i) IXGBE_LED_OFFSET(IXGBE_LED_IVRT_BASE, _i) -#define IXGBE_LED_BLINK(_i) IXGBE_LED_OFFSET(IXGBE_LED_BLINK_BASE, _i) -#define IXGBE_LED_MODE_MASK(_i) IXGBE_LED_OFFSET(IXGBE_LED_MODE_MASK_BASE, _i) - -/* LED modes */ -#define IXGBE_LED_LINK_UP 0x0 -#define IXGBE_LED_LINK_10G 0x1 -#define IXGBE_LED_MAC 0x2 -#define IXGBE_LED_FILTER 0x3 -#define IXGBE_LED_LINK_ACTIVE 0x4 -#define IXGBE_LED_LINK_1G 0x5 -#define IXGBE_LED_ON 0xE -#define IXGBE_LED_OFF 0xF - -/* AUTOC Bit Masks */ -#define IXGBE_AUTOC_KX4_KX_SUPP_MASK 0xC0000000 -#define IXGBE_AUTOC_KX4_SUPP 0x80000000 -#define IXGBE_AUTOC_KX_SUPP 0x40000000 -#define IXGBE_AUTOC_PAUSE 0x30000000 -#define IXGBE_AUTOC_ASM_PAUSE 0x20000000 -#define IXGBE_AUTOC_SYM_PAUSE 0x10000000 -#define IXGBE_AUTOC_RF 0x08000000 -#define IXGBE_AUTOC_PD_TMR 0x06000000 -#define IXGBE_AUTOC_AN_RX_LOOSE 0x01000000 -#define IXGBE_AUTOC_AN_RX_DRIFT 0x00800000 -#define IXGBE_AUTOC_AN_RX_ALIGN 0x007C0000 -#define IXGBE_AUTOC_FECA 0x00040000 -#define IXGBE_AUTOC_FECR 0x00020000 -#define IXGBE_AUTOC_KR_SUPP 0x00010000 -#define IXGBE_AUTOC_AN_RESTART 0x00001000 -#define IXGBE_AUTOC_FLU 0x00000001 -#define IXGBE_AUTOC_LMS_SHIFT 13 -#define IXGBE_AUTOC_LMS_10G_SERIAL (0x3 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_KX4_KX_KR (0x4 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_SGMII_1G_100M (0x5 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN (0x6 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII (0x7 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_MASK (0x7 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_1G_LINK_NO_AN (0x0 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_10G_LINK_NO_AN (0x1 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_1G_AN (0x2 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_KX4_AN (0x4 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_KX4_AN_1G_AN (0x6 << IXGBE_AUTOC_LMS_SHIFT) -#define IXGBE_AUTOC_LMS_ATTACH_TYPE (0x7 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT) - -#define IXGBE_AUTOC_1G_PMA_PMD_MASK 0x00000200 -#define IXGBE_AUTOC_1G_PMA_PMD_SHIFT 9 -#define IXGBE_AUTOC_10G_PMA_PMD_MASK 0x00000180 -#define IXGBE_AUTOC_10G_PMA_PMD_SHIFT 7 -#define IXGBE_AUTOC_10G_XAUI (0x0 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT) -#define IXGBE_AUTOC_10G_KX4 (0x1 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT) -#define IXGBE_AUTOC_10G_CX4 (0x2 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT) -#define IXGBE_AUTOC_1G_BX (0x0 << IXGBE_AUTOC_1G_PMA_PMD_SHIFT) -#define IXGBE_AUTOC_1G_KX (0x1 << IXGBE_AUTOC_1G_PMA_PMD_SHIFT) -#define IXGBE_AUTOC_1G_SFI (0x0 << IXGBE_AUTOC_1G_PMA_PMD_SHIFT) -#define IXGBE_AUTOC_1G_KX_BX (0x1 << IXGBE_AUTOC_1G_PMA_PMD_SHIFT) - -#define IXGBE_AUTOC2_UPPER_MASK 0xFFFF0000 -#define IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK 0x00030000 -#define IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_SHIFT 16 -#define IXGBE_AUTOC2_10G_KR (0x0 << IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_SHIFT) -#define IXGBE_AUTOC2_10G_XFI (0x1 << IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_SHIFT) -#define IXGBE_AUTOC2_10G_SFI (0x2 << IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_SHIFT) - -/* LINKS Bit Masks */ -#define IXGBE_LINKS_KX_AN_COMP 0x80000000 -#define IXGBE_LINKS_UP 0x40000000 -#define IXGBE_LINKS_SPEED 0x20000000 -#define IXGBE_LINKS_MODE 0x18000000 -#define IXGBE_LINKS_RX_MODE 0x06000000 -#define IXGBE_LINKS_TX_MODE 0x01800000 -#define IXGBE_LINKS_XGXS_EN 0x00400000 -#define IXGBE_LINKS_SGMII_EN 0x02000000 -#define IXGBE_LINKS_PCS_1G_EN 0x00200000 -#define IXGBE_LINKS_1G_AN_EN 0x00100000 -#define IXGBE_LINKS_KX_AN_IDLE 0x00080000 -#define IXGBE_LINKS_1G_SYNC 0x00040000 -#define IXGBE_LINKS_10G_ALIGN 0x00020000 -#define IXGBE_LINKS_10G_LANE_SYNC 0x00017000 -#define IXGBE_LINKS_TL_FAULT 0x00001000 -#define IXGBE_LINKS_SIGNAL 0x00000F00 - -#define IXGBE_LINKS_SPEED_82599 0x30000000 -#define IXGBE_LINKS_SPEED_10G_82599 0x30000000 -#define IXGBE_LINKS_SPEED_1G_82599 0x20000000 -#define IXGBE_LINKS_SPEED_100_82599 0x10000000 -#define IXGBE_LINK_UP_TIME 90 /* 9.0 Seconds */ -#define IXGBE_AUTO_NEG_TIME 45 /* 4.5 Seconds */ - -#define IXGBE_LINKS2_AN_SUPPORTED 0x00000040 - -/* PCS1GLSTA Bit Masks */ -#define IXGBE_PCS1GLSTA_LINK_OK 1 -#define IXGBE_PCS1GLSTA_SYNK_OK 0x10 -#define IXGBE_PCS1GLSTA_AN_COMPLETE 0x10000 -#define IXGBE_PCS1GLSTA_AN_PAGE_RX 0x20000 -#define IXGBE_PCS1GLSTA_AN_TIMED_OUT 0x40000 -#define IXGBE_PCS1GLSTA_AN_REMOTE_FAULT 0x80000 -#define IXGBE_PCS1GLSTA_AN_ERROR_RWS 0x100000 - -#define IXGBE_PCS1GANA_SYM_PAUSE 0x80 -#define IXGBE_PCS1GANA_ASM_PAUSE 0x100 - -/* PCS1GLCTL Bit Masks */ -#define IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN 0x00040000 /* PCS 1G autoneg to en */ -#define IXGBE_PCS1GLCTL_FLV_LINK_UP 1 -#define IXGBE_PCS1GLCTL_FORCE_LINK 0x20 -#define IXGBE_PCS1GLCTL_LOW_LINK_LATCH 0x40 -#define IXGBE_PCS1GLCTL_AN_ENABLE 0x10000 -#define IXGBE_PCS1GLCTL_AN_RESTART 0x20000 - -/* ANLP1 Bit Masks */ -#define IXGBE_ANLP1_PAUSE 0x0C00 -#define IXGBE_ANLP1_SYM_PAUSE 0x0400 -#define IXGBE_ANLP1_ASM_PAUSE 0x0800 -#define IXGBE_ANLP1_AN_STATE_MASK 0x000f0000 - - -/* SW Semaphore Register bitmasks */ -#define IXGBE_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */ -#define IXGBE_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */ -#define IXGBE_SWSM_WMNG 0x00000004 /* Wake MNG Clock */ -#define IXGBE_SWFW_REGSMP 0x80000000 /* Register Semaphore bit 31 */ - -/* SW_FW_SYNC/GSSR definitions */ -#define IXGBE_GSSR_EEP_SM 0x0001 -#define IXGBE_GSSR_PHY0_SM 0x0002 -#define IXGBE_GSSR_PHY1_SM 0x0004 -#define IXGBE_GSSR_MAC_CSR_SM 0x0008 -#define IXGBE_GSSR_FLASH_SM 0x0010 - -/* EEC Register */ -#define IXGBE_EEC_SK 0x00000001 /* EEPROM Clock */ -#define IXGBE_EEC_CS 0x00000002 /* EEPROM Chip Select */ -#define IXGBE_EEC_DI 0x00000004 /* EEPROM Data In */ -#define IXGBE_EEC_DO 0x00000008 /* EEPROM Data Out */ -#define IXGBE_EEC_FWE_MASK 0x00000030 /* FLASH Write Enable */ -#define IXGBE_EEC_FWE_DIS 0x00000010 /* Disable FLASH writes */ -#define IXGBE_EEC_FWE_EN 0x00000020 /* Enable FLASH writes */ -#define IXGBE_EEC_FWE_SHIFT 4 -#define IXGBE_EEC_REQ 0x00000040 /* EEPROM Access Request */ -#define IXGBE_EEC_GNT 0x00000080 /* EEPROM Access Grant */ -#define IXGBE_EEC_PRES 0x00000100 /* EEPROM Present */ -#define IXGBE_EEC_ARD 0x00000200 /* EEPROM Auto Read Done */ -#define IXGBE_EEC_FLUP 0x00800000 /* Flash update command */ -#define IXGBE_EEC_SEC1VAL 0x02000000 /* Sector 1 Valid */ -#define IXGBE_EEC_FLUDONE 0x04000000 /* Flash update done */ -/* EEPROM Addressing bits based on type (0-small, 1-large) */ -#define IXGBE_EEC_ADDR_SIZE 0x00000400 -#define IXGBE_EEC_SIZE 0x00007800 /* EEPROM Size */ - -#define IXGBE_EEC_SIZE_SHIFT 11 -#define IXGBE_EEPROM_WORD_SIZE_SHIFT 6 -#define IXGBE_EEPROM_OPCODE_BITS 8 - -/* Part Number String Length */ -#define IXGBE_PBANUM_LENGTH 11 - -/* Checksum and EEPROM pointers */ -#define IXGBE_PBANUM_PTR_GUARD 0xFAFA -#define IXGBE_EEPROM_CHECKSUM 0x3F -#define IXGBE_EEPROM_SUM 0xBABA -#define IXGBE_PCIE_ANALOG_PTR 0x03 -#define IXGBE_ATLAS0_CONFIG_PTR 0x04 -#define IXGBE_PHY_PTR 0x04 -#define IXGBE_ATLAS1_CONFIG_PTR 0x05 -#define IXGBE_OPTION_ROM_PTR 0x05 -#define IXGBE_PCIE_GENERAL_PTR 0x06 -#define IXGBE_PCIE_CONFIG0_PTR 0x07 -#define IXGBE_PCIE_CONFIG1_PTR 0x08 -#define IXGBE_CORE0_PTR 0x09 -#define IXGBE_CORE1_PTR 0x0A -#define IXGBE_MAC0_PTR 0x0B -#define IXGBE_MAC1_PTR 0x0C -#define IXGBE_CSR0_CONFIG_PTR 0x0D -#define IXGBE_CSR1_CONFIG_PTR 0x0E -#define IXGBE_FW_PTR 0x0F -#define IXGBE_PBANUM0_PTR 0x15 -#define IXGBE_PBANUM1_PTR 0x16 -#define IXGBE_DEVICE_CAPS 0x2C -#define IXGBE_SAN_MAC_ADDR_PTR 0x28 -#define IXGBE_PCIE_MSIX_82599_CAPS 0x72 -#define IXGBE_PCIE_MSIX_82598_CAPS 0x62 - -/* MSI-X capability fields masks */ -#define IXGBE_PCIE_MSIX_TBL_SZ_MASK 0x7FF - -/* Legacy EEPROM word offsets */ -#define IXGBE_ISCSI_BOOT_CAPS 0x0033 -#define IXGBE_ISCSI_SETUP_PORT_0 0x0030 -#define IXGBE_ISCSI_SETUP_PORT_1 0x0034 - -/* EEPROM Commands - SPI */ -#define IXGBE_EEPROM_MAX_RETRY_SPI 5000 /* Max wait 5ms for RDY signal */ -#define IXGBE_EEPROM_STATUS_RDY_SPI 0x01 -#define IXGBE_EEPROM_READ_OPCODE_SPI 0x03 /* EEPROM read opcode */ -#define IXGBE_EEPROM_WRITE_OPCODE_SPI 0x02 /* EEPROM write opcode */ -#define IXGBE_EEPROM_A8_OPCODE_SPI 0x08 /* opcode bit-3 = addr bit-8 */ -#define IXGBE_EEPROM_WREN_OPCODE_SPI 0x06 /* EEPROM set Write Ena latch */ -/* EEPROM reset Write Enable latch */ -#define IXGBE_EEPROM_WRDI_OPCODE_SPI 0x04 -#define IXGBE_EEPROM_RDSR_OPCODE_SPI 0x05 /* EEPROM read Status reg */ -#define IXGBE_EEPROM_WRSR_OPCODE_SPI 0x01 /* EEPROM write Status reg */ -#define IXGBE_EEPROM_ERASE4K_OPCODE_SPI 0x20 /* EEPROM ERASE 4KB */ -#define IXGBE_EEPROM_ERASE64K_OPCODE_SPI 0xD8 /* EEPROM ERASE 64KB */ -#define IXGBE_EEPROM_ERASE256_OPCODE_SPI 0xDB /* EEPROM ERASE 256B */ - -/* EEPROM Read Register */ -#define IXGBE_EEPROM_RW_REG_DATA 16 /* data offset in EEPROM read reg */ -#define IXGBE_EEPROM_RW_REG_DONE 2 /* Offset to READ done bit */ -#define IXGBE_EEPROM_RW_REG_START 1 /* First bit to start operation */ -#define IXGBE_EEPROM_RW_ADDR_SHIFT 2 /* Shift to the address bits */ -#define IXGBE_NVM_POLL_WRITE 1 /* Flag for polling for write complete */ -#define IXGBE_NVM_POLL_READ 0 /* Flag for polling for read complete */ - -#define IXGBE_ETH_LENGTH_OF_ADDRESS 6 - -#ifndef IXGBE_EEPROM_GRANT_ATTEMPTS -#define IXGBE_EEPROM_GRANT_ATTEMPTS 1000 /* EEPROM # attempts to gain grant */ -#endif - -#ifndef IXGBE_EERD_EEWR_ATTEMPTS -/* Number of 5 microseconds we wait for EERD read and - * EERW write to complete */ -#define IXGBE_EERD_EEWR_ATTEMPTS 100000 -#endif - -#ifndef IXGBE_FLUDONE_ATTEMPTS -/* # attempts we wait for flush update to complete */ -#define IXGBE_FLUDONE_ATTEMPTS 20000 -#endif - -#define IXGBE_SAN_MAC_ADDR_PORT0_OFFSET 0x0 -#define IXGBE_SAN_MAC_ADDR_PORT1_OFFSET 0x3 -#define IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP 0x1 -#define IXGBE_DEVICE_CAPS_FCOE_OFFLOADS 0x2 -#define IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR 0x4 -#define IXGBE_FW_PATCH_VERSION_4 0x7 - -/* Alternative SAN MAC Address Block */ -#define IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR 0x27 /* Alt. SAN MAC block */ -#define IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET 0x0 /* Alt. SAN MAC capability */ -#define IXGBE_ALT_SAN_MAC_ADDR_PORT0_OFFSET 0x1 /* Alt. SAN MAC 0 offset */ -#define IXGBE_ALT_SAN_MAC_ADDR_PORT1_OFFSET 0x4 /* Alt. SAN MAC 1 offset */ -#define IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET 0x7 /* Alt. WWNN prefix offset */ -#define IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET 0x8 /* Alt. WWPN prefix offset */ -#define IXGBE_ALT_SAN_MAC_ADDR_CAPS_SANMAC 0x0 /* Alt. SAN MAC exists */ -#define IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN 0x1 /* Alt. WWN base exists */ - -/* PCI Bus Info */ -#define IXGBE_PCI_LINK_STATUS 0xB2 -#define IXGBE_PCI_DEVICE_CONTROL2 0xC8 -#define IXGBE_PCI_LINK_WIDTH 0x3F0 -#define IXGBE_PCI_LINK_WIDTH_1 0x10 -#define IXGBE_PCI_LINK_WIDTH_2 0x20 -#define IXGBE_PCI_LINK_WIDTH_4 0x40 -#define IXGBE_PCI_LINK_WIDTH_8 0x80 -#define IXGBE_PCI_LINK_SPEED 0xF -#define IXGBE_PCI_LINK_SPEED_2500 0x1 -#define IXGBE_PCI_LINK_SPEED_5000 0x2 -#define IXGBE_PCI_HEADER_TYPE_REGISTER 0x0E -#define IXGBE_PCI_HEADER_TYPE_MULTIFUNC 0x80 -#define IXGBE_PCI_DEVICE_CONTROL2_16ms 0x0005 - -/* Number of 100 microseconds we wait for PCI Express master disable */ -#define IXGBE_PCI_MASTER_DISABLE_TIMEOUT 800 - -/* Check whether address is multicast. This is little-endian specific check.*/ -#define IXGBE_IS_MULTICAST(Address) \ - (bool)(((u8 *)(Address))[0] & ((u8)0x01)) - -/* Check whether an address is broadcast. */ -#define IXGBE_IS_BROADCAST(Address) \ - ((((u8 *)(Address))[0] == ((u8)0xff)) && \ - (((u8 *)(Address))[1] == ((u8)0xff))) - -/* RAH */ -#define IXGBE_RAH_VIND_MASK 0x003C0000 -#define IXGBE_RAH_VIND_SHIFT 18 -#define IXGBE_RAH_AV 0x80000000 -#define IXGBE_CLEAR_VMDQ_ALL 0xFFFFFFFF - -/* Header split receive */ -#define IXGBE_RFCTL_ISCSI_DIS 0x00000001 -#define IXGBE_RFCTL_ISCSI_DWC_MASK 0x0000003E -#define IXGBE_RFCTL_ISCSI_DWC_SHIFT 1 -#define IXGBE_RFCTL_NFSW_DIS 0x00000040 -#define IXGBE_RFCTL_NFSR_DIS 0x00000080 -#define IXGBE_RFCTL_NFS_VER_MASK 0x00000300 -#define IXGBE_RFCTL_NFS_VER_SHIFT 8 -#define IXGBE_RFCTL_NFS_VER_2 0 -#define IXGBE_RFCTL_NFS_VER_3 1 -#define IXGBE_RFCTL_NFS_VER_4 2 -#define IXGBE_RFCTL_IPV6_DIS 0x00000400 -#define IXGBE_RFCTL_IPV6_XSUM_DIS 0x00000800 -#define IXGBE_RFCTL_IPFRSP_DIS 0x00004000 -#define IXGBE_RFCTL_IPV6_EX_DIS 0x00010000 -#define IXGBE_RFCTL_NEW_IPV6_EXT_DIS 0x00020000 - -/* Transmit Config masks */ -#define IXGBE_TXDCTL_ENABLE 0x02000000 /* Enable specific Tx Queue */ -#define IXGBE_TXDCTL_SWFLSH 0x04000000 /* Tx Desc. write-back flushing */ -/* Enable short packet padding to 64 bytes */ -#define IXGBE_TX_PAD_ENABLE 0x00000400 -#define IXGBE_JUMBO_FRAME_ENABLE 0x00000004 /* Allow jumbo frames */ -/* This allows for 16K packets + 4k for vlan */ -#define IXGBE_MAX_FRAME_SZ 0x40040000 - -#define IXGBE_TDWBAL_HEAD_WB_ENABLE 0x1 /* Tx head write-back enable */ -#define IXGBE_TDWBAL_SEQNUM_WB_ENABLE 0x2 /* Tx seq# write-back enable */ - -/* Receive Config masks */ -#define IXGBE_RXCTRL_RXEN 0x00000001 /* Enable Receiver */ -#define IXGBE_RXCTRL_DMBYPS 0x00000002 /* Descriptor Monitor Bypass */ -#define IXGBE_RXDCTL_ENABLE 0x02000000 /* Enable specific Rx Queue */ -#define IXGBE_RXDCTL_VME 0x40000000 /* VLAN mode enable */ - -#define IXGBE_FCTRL_SBP 0x00000002 /* Store Bad Packet */ -#define IXGBE_FCTRL_MPE 0x00000100 /* Multicast Promiscuous Ena*/ -#define IXGBE_FCTRL_UPE 0x00000200 /* Unicast Promiscuous Ena */ -#define IXGBE_FCTRL_BAM 0x00000400 /* Broadcast Accept Mode */ -#define IXGBE_FCTRL_PMCF 0x00001000 /* Pass MAC Control Frames */ -#define IXGBE_FCTRL_DPF 0x00002000 /* Discard Pause Frame */ -/* Receive Priority Flow Control Enable */ -#define IXGBE_FCTRL_RPFCE 0x00004000 -#define IXGBE_FCTRL_RFCE 0x00008000 /* Receive Flow Control Ena */ -#define IXGBE_MFLCN_PMCF 0x00000001 /* Pass MAC Control Frames */ -#define IXGBE_MFLCN_DPF 0x00000002 /* Discard Pause Frame */ -#define IXGBE_MFLCN_RPFCE 0x00000004 /* Receive Priority FC Enable */ -#define IXGBE_MFLCN_RFCE 0x00000008 /* Receive FC Enable */ - -/* Multiple Receive Queue Control */ -#define IXGBE_MRQC_RSSEN 0x00000001 /* RSS Enable */ -#define IXGBE_MRQC_MRQE_MASK 0xF /* Bits 3:0 */ -#define IXGBE_MRQC_RT8TCEN 0x00000002 /* 8 TC no RSS */ -#define IXGBE_MRQC_RT4TCEN 0x00000003 /* 4 TC no RSS */ -#define IXGBE_MRQC_RTRSS8TCEN 0x00000004 /* 8 TC w/ RSS */ -#define IXGBE_MRQC_RTRSS4TCEN 0x00000005 /* 4 TC w/ RSS */ -#define IXGBE_MRQC_VMDQEN 0x00000008 /* VMDq2 64 pools no RSS */ -#define IXGBE_MRQC_VMDQRSS32EN 0x0000000A /* VMDq2 32 pools w/ RSS */ -#define IXGBE_MRQC_VMDQRSS64EN 0x0000000B /* VMDq2 64 pools w/ RSS */ -#define IXGBE_MRQC_VMDQRT8TCEN 0x0000000C /* VMDq2/RT 16 pool 8 TC */ -#define IXGBE_MRQC_VMDQRT4TCEN 0x0000000D /* VMDq2/RT 32 pool 4 TC */ -#define IXGBE_MRQC_RSS_FIELD_MASK 0xFFFF0000 -#define IXGBE_MRQC_RSS_FIELD_IPV4_TCP 0x00010000 -#define IXGBE_MRQC_RSS_FIELD_IPV4 0x00020000 -#define IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP 0x00040000 -#define IXGBE_MRQC_RSS_FIELD_IPV6_EX 0x00080000 -#define IXGBE_MRQC_RSS_FIELD_IPV6 0x00100000 -#define IXGBE_MRQC_RSS_FIELD_IPV6_TCP 0x00200000 -#define IXGBE_MRQC_RSS_FIELD_IPV4_UDP 0x00400000 -#define IXGBE_MRQC_RSS_FIELD_IPV6_UDP 0x00800000 -#define IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP 0x01000000 -#define IXGBE_MRQC_L3L4TXSWEN 0x00008000 - -/* Queue Drop Enable */ -#define IXGBE_QDE_ENABLE 0x00000001 -#define IXGBE_QDE_IDX_MASK 0x00007F00 -#define IXGBE_QDE_IDX_SHIFT 8 - -#define IXGBE_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */ -#define IXGBE_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */ -#define IXGBE_TXD_CMD_EOP 0x01000000 /* End of Packet */ -#define IXGBE_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ -#define IXGBE_TXD_CMD_IC 0x04000000 /* Insert Checksum */ -#define IXGBE_TXD_CMD_RS 0x08000000 /* Report Status */ -#define IXGBE_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */ -#define IXGBE_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */ -#define IXGBE_TXD_STAT_DD 0x00000001 /* Descriptor Done */ - -#define IXGBE_RXDADV_IPSEC_STATUS_SECP 0x00020000 -#define IXGBE_RXDADV_IPSEC_ERROR_INVALID_PROTOCOL 0x08000000 -#define IXGBE_RXDADV_IPSEC_ERROR_INVALID_LENGTH 0x10000000 -#define IXGBE_RXDADV_IPSEC_ERROR_AUTH_FAILED 0x18000000 -#define IXGBE_RXDADV_IPSEC_ERROR_BIT_MASK 0x18000000 -/* Multiple Transmit Queue Command Register */ -#define IXGBE_MTQC_RT_ENA 0x1 /* DCB Enable */ -#define IXGBE_MTQC_VT_ENA 0x2 /* VMDQ2 Enable */ -#define IXGBE_MTQC_64Q_1PB 0x0 /* 64 queues 1 pack buffer */ -#define IXGBE_MTQC_32VF 0x8 /* 4 TX Queues per pool w/32VF's */ -#define IXGBE_MTQC_64VF 0x4 /* 2 TX Queues per pool w/64VF's */ -#define IXGBE_MTQC_8TC_8TQ 0xC /* 8 TC if RT_ENA or 8 TQ if VT_ENA */ - -/* Receive Descriptor bit definitions */ -#define IXGBE_RXD_STAT_DD 0x01 /* Descriptor Done */ -#define IXGBE_RXD_STAT_EOP 0x02 /* End of Packet */ -#define IXGBE_RXD_STAT_FLM 0x04 /* FDir Match */ -#define IXGBE_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */ -#define IXGBE_RXDADV_NEXTP_MASK 0x000FFFF0 /* Next Descriptor Index */ -#define IXGBE_RXDADV_NEXTP_SHIFT 0x00000004 -#define IXGBE_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */ -#define IXGBE_RXD_STAT_L4CS 0x20 /* L4 xsum calculated */ -#define IXGBE_RXD_STAT_IPCS 0x40 /* IP xsum calculated */ -#define IXGBE_RXD_STAT_PIF 0x80 /* passed in-exact filter */ -#define IXGBE_RXD_STAT_CRCV 0x100 /* Speculative CRC Valid */ -#define IXGBE_RXD_STAT_VEXT 0x200 /* 1st VLAN found */ -#define IXGBE_RXD_STAT_UDPV 0x400 /* Valid UDP checksum */ -#define IXGBE_RXD_STAT_DYNINT 0x800 /* Pkt caused INT via DYNINT */ -#define IXGBE_RXD_STAT_LLINT 0x800 /* Pkt caused Low Latency Interrupt */ -#define IXGBE_RXD_STAT_TS 0x10000 /* Time Stamp */ -#define IXGBE_RXD_STAT_SECP 0x20000 /* Security Processing */ -#define IXGBE_RXD_STAT_LB 0x40000 /* Loopback Status */ -#define IXGBE_RXD_STAT_ACK 0x8000 /* ACK Packet indication */ -#define IXGBE_RXD_ERR_CE 0x01 /* CRC Error */ -#define IXGBE_RXD_ERR_LE 0x02 /* Length Error */ -#define IXGBE_RXD_ERR_PE 0x08 /* Packet Error */ -#define IXGBE_RXD_ERR_OSE 0x10 /* Oversize Error */ -#define IXGBE_RXD_ERR_USE 0x20 /* Undersize Error */ -#define IXGBE_RXD_ERR_TCPE 0x40 /* TCP/UDP Checksum Error */ -#define IXGBE_RXD_ERR_IPE 0x80 /* IP Checksum Error */ -#define IXGBE_RXDADV_ERR_MASK 0xfff00000 /* RDESC.ERRORS mask */ -#define IXGBE_RXDADV_ERR_SHIFT 20 /* RDESC.ERRORS shift */ -#define IXGBE_RXDADV_ERR_FCEOFE 0x80000000 /* FCoEFe/IPE */ -#define IXGBE_RXDADV_ERR_FCERR 0x00700000 /* FCERR/FDIRERR */ -#define IXGBE_RXDADV_ERR_FDIR_LEN 0x00100000 /* FDIR Length error */ -#define IXGBE_RXDADV_ERR_FDIR_DROP 0x00200000 /* FDIR Drop error */ -#define IXGBE_RXDADV_ERR_FDIR_COLL 0x00400000 /* FDIR Collision error */ -#define IXGBE_RXDADV_ERR_HBO 0x00800000 /*Header Buffer Overflow */ -#define IXGBE_RXDADV_ERR_CE 0x01000000 /* CRC Error */ -#define IXGBE_RXDADV_ERR_LE 0x02000000 /* Length Error */ -#define IXGBE_RXDADV_ERR_PE 0x08000000 /* Packet Error */ -#define IXGBE_RXDADV_ERR_OSE 0x10000000 /* Oversize Error */ -#define IXGBE_RXDADV_ERR_USE 0x20000000 /* Undersize Error */ -#define IXGBE_RXDADV_ERR_TCPE 0x40000000 /* TCP/UDP Checksum Error */ -#define IXGBE_RXDADV_ERR_IPE 0x80000000 /* IP Checksum Error */ -#define IXGBE_RXD_VLAN_ID_MASK 0x0FFF /* VLAN ID is in lower 12 bits */ -#define IXGBE_RXD_PRI_MASK 0xE000 /* Priority is in upper 3 bits */ -#define IXGBE_RXD_PRI_SHIFT 13 -#define IXGBE_RXD_CFI_MASK 0x1000 /* CFI is bit 12 */ -#define IXGBE_RXD_CFI_SHIFT 12 - -#define IXGBE_RXDADV_STAT_DD IXGBE_RXD_STAT_DD /* Done */ -#define IXGBE_RXDADV_STAT_EOP IXGBE_RXD_STAT_EOP /* End of Packet */ -#define IXGBE_RXDADV_STAT_FLM IXGBE_RXD_STAT_FLM /* FDir Match */ -#define IXGBE_RXDADV_STAT_VP IXGBE_RXD_STAT_VP /* IEEE VLAN Pkt */ -#define IXGBE_RXDADV_STAT_MASK 0x000fffff /* Stat/NEXTP: bit 0-19 */ -#define IXGBE_RXDADV_STAT_FCEOFS 0x00000040 /* FCoE EOF/SOF Stat */ -#define IXGBE_RXDADV_STAT_FCSTAT 0x00000030 /* FCoE Pkt Stat */ -#define IXGBE_RXDADV_STAT_FCSTAT_NOMTCH 0x00000000 /* 00: No Ctxt Match */ -#define IXGBE_RXDADV_STAT_FCSTAT_NODDP 0x00000010 /* 01: Ctxt w/o DDP */ -#define IXGBE_RXDADV_STAT_FCSTAT_FCPRSP 0x00000020 /* 10: Recv. FCP_RSP */ -#define IXGBE_RXDADV_STAT_FCSTAT_DDP 0x00000030 /* 11: Ctxt w/ DDP */ - -/* PSRTYPE bit definitions */ -#define IXGBE_PSRTYPE_TCPHDR 0x00000010 -#define IXGBE_PSRTYPE_UDPHDR 0x00000020 -#define IXGBE_PSRTYPE_IPV4HDR 0x00000100 -#define IXGBE_PSRTYPE_IPV6HDR 0x00000200 -#define IXGBE_PSRTYPE_L2HDR 0x00001000 - -/* SRRCTL bit definitions */ -#define IXGBE_SRRCTL_BSIZEPKT_SHIFT 10 /* so many KBs */ -#define IXGBE_SRRCTL_RDMTS_SHIFT 22 -#define IXGBE_SRRCTL_RDMTS_MASK 0x01C00000 -#define IXGBE_SRRCTL_DROP_EN 0x10000000 -#define IXGBE_SRRCTL_BSIZEPKT_MASK 0x0000007F -#define IXGBE_SRRCTL_BSIZEHDR_MASK 0x00003F00 -#define IXGBE_SRRCTL_DESCTYPE_LEGACY 0x00000000 -#define IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000 -#define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT 0x04000000 -#define IXGBE_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000 -#define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000 -#define IXGBE_SRRCTL_DESCTYPE_MASK 0x0E000000 - -#define IXGBE_RXDPS_HDRSTAT_HDRSP 0x00008000 -#define IXGBE_RXDPS_HDRSTAT_HDRLEN_MASK 0x000003FF - -#define IXGBE_RXDADV_RSSTYPE_MASK 0x0000000F -#define IXGBE_RXDADV_PKTTYPE_MASK 0x0000FFF0 -#define IXGBE_RXDADV_PKTTYPE_MASK_EX 0x0001FFF0 -#define IXGBE_RXDADV_HDRBUFLEN_MASK 0x00007FE0 -#define IXGBE_RXDADV_HDRBUFLEN_SHIFT 5 -#define IXGBE_RXDADV_SPLITHEADER_EN 0x00001000 -#define IXGBE_RXDADV_SPH 0x8000 - -/* RSS Hash results */ -#define IXGBE_RXDADV_RSSTYPE_NONE 0x00000000 -#define IXGBE_RXDADV_RSSTYPE_IPV4_TCP 0x00000001 -#define IXGBE_RXDADV_RSSTYPE_IPV4 0x00000002 -#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP 0x00000003 -#define IXGBE_RXDADV_RSSTYPE_IPV6_EX 0x00000004 -#define IXGBE_RXDADV_RSSTYPE_IPV6 0x00000005 -#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP_EX 0x00000006 -#define IXGBE_RXDADV_RSSTYPE_IPV4_UDP 0x00000007 -#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP 0x00000008 -#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP_EX 0x00000009 - -/* RSS Packet Types as indicated in the receive descriptor. */ -#define IXGBE_RXDADV_PKTTYPE_NONE 0x00000000 -#define IXGBE_RXDADV_PKTTYPE_IPV4 0x00000010 /* IPv4 hdr present */ -#define IXGBE_RXDADV_PKTTYPE_IPV4_EX 0x00000020 /* IPv4 hdr + extensions */ -#define IXGBE_RXDADV_PKTTYPE_IPV6 0x00000040 /* IPv6 hdr present */ -#define IXGBE_RXDADV_PKTTYPE_IPV6_EX 0x00000080 /* IPv6 hdr + extensions */ -#define IXGBE_RXDADV_PKTTYPE_TCP 0x00000100 /* TCP hdr present */ -#define IXGBE_RXDADV_PKTTYPE_UDP 0x00000200 /* UDP hdr present */ -#define IXGBE_RXDADV_PKTTYPE_SCTP 0x00000400 /* SCTP hdr present */ -#define IXGBE_RXDADV_PKTTYPE_NFS 0x00000800 /* NFS hdr present */ -#define IXGBE_RXDADV_PKTTYPE_IPSEC_ESP 0x00001000 /* IPSec ESP */ -#define IXGBE_RXDADV_PKTTYPE_IPSEC_AH 0x00002000 /* IPSec AH */ -#define IXGBE_RXDADV_PKTTYPE_LINKSEC 0x00004000 /* LinkSec Encap */ -#define IXGBE_RXDADV_PKTTYPE_ETQF 0x00008000 /* PKTTYPE is ETQF index */ -#define IXGBE_RXDADV_PKTTYPE_ETQF_MASK 0x00000070 /* ETQF has 8 indices */ -#define IXGBE_RXDADV_PKTTYPE_ETQF_SHIFT 4 /* Right-shift 4 bits */ - -/* Security Processing bit Indication */ -#define IXGBE_RXDADV_LNKSEC_STATUS_SECP 0x00020000 -#define IXGBE_RXDADV_LNKSEC_ERROR_NO_SA_MATCH 0x08000000 -#define IXGBE_RXDADV_LNKSEC_ERROR_REPLAY_ERROR 0x10000000 -#define IXGBE_RXDADV_LNKSEC_ERROR_BIT_MASK 0x18000000 -#define IXGBE_RXDADV_LNKSEC_ERROR_BAD_SIG 0x18000000 - -/* Masks to determine if packets should be dropped due to frame errors */ -#define IXGBE_RXD_ERR_FRAME_ERR_MASK ( \ - IXGBE_RXD_ERR_CE | \ - IXGBE_RXD_ERR_LE | \ - IXGBE_RXD_ERR_PE | \ - IXGBE_RXD_ERR_OSE | \ - IXGBE_RXD_ERR_USE) - -#define IXGBE_RXDADV_ERR_FRAME_ERR_MASK ( \ - IXGBE_RXDADV_ERR_CE | \ - IXGBE_RXDADV_ERR_LE | \ - IXGBE_RXDADV_ERR_PE | \ - IXGBE_RXDADV_ERR_OSE | \ - IXGBE_RXDADV_ERR_USE) - -/* Multicast bit mask */ -#define IXGBE_MCSTCTRL_MFE 0x4 - -/* Number of Transmit and Receive Descriptors must be a multiple of 8 */ -#define IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE 8 -#define IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE 8 -#define IXGBE_REQ_TX_BUFFER_GRANULARITY 1024 - -/* Vlan-specific macros */ -#define IXGBE_RX_DESC_SPECIAL_VLAN_MASK 0x0FFF /* VLAN ID in lower 12 bits */ -#define IXGBE_RX_DESC_SPECIAL_PRI_MASK 0xE000 /* Priority in upper 3 bits */ -#define IXGBE_RX_DESC_SPECIAL_PRI_SHIFT 0x000D /* Priority in upper 3 of 16 */ -#define IXGBE_TX_DESC_SPECIAL_PRI_SHIFT IXGBE_RX_DESC_SPECIAL_PRI_SHIFT - -/* SR-IOV specific macros */ -#define IXGBE_MBVFICR_INDEX(vf_number) (vf_number >> 4) -#define IXGBE_MBVFICR(_i) (0x00710 + (_i * 4)) -#define IXGBE_VFLRE(_i) (((_i & 1) ? 0x001C0 : 0x00600)) -#define IXGBE_VFLREC(_i) (0x00700 + (_i * 4)) - -/* Little Endian defines */ -#ifndef __le32 -#define __le32 u32 -#endif -#ifndef __le64 -#define __le64 u64 - -#endif - -enum ixgbe_fdir_pballoc_type { - IXGBE_FDIR_PBALLOC_64K = 0, - IXGBE_FDIR_PBALLOC_128K, - IXGBE_FDIR_PBALLOC_256K, -}; -#define IXGBE_FDIR_PBALLOC_SIZE_SHIFT 16 - -/* Flow Director register values */ -#define IXGBE_FDIRCTRL_PBALLOC_64K 0x00000001 -#define IXGBE_FDIRCTRL_PBALLOC_128K 0x00000002 -#define IXGBE_FDIRCTRL_PBALLOC_256K 0x00000003 -#define IXGBE_FDIRCTRL_INIT_DONE 0x00000008 -#define IXGBE_FDIRCTRL_PERFECT_MATCH 0x00000010 -#define IXGBE_FDIRCTRL_REPORT_STATUS 0x00000020 -#define IXGBE_FDIRCTRL_REPORT_STATUS_ALWAYS 0x00000080 -#define IXGBE_FDIRCTRL_DROP_Q_SHIFT 8 -#define IXGBE_FDIRCTRL_FLEX_SHIFT 16 -#define IXGBE_FDIRCTRL_SEARCHLIM 0x00800000 -#define IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT 24 -#define IXGBE_FDIRCTRL_FULL_THRESH_MASK 0xF0000000 -#define IXGBE_FDIRCTRL_FULL_THRESH_SHIFT 28 - -#define IXGBE_FDIRTCPM_DPORTM_SHIFT 16 -#define IXGBE_FDIRUDPM_DPORTM_SHIFT 16 -#define IXGBE_FDIRIP6M_DIPM_SHIFT 16 -#define IXGBE_FDIRM_VLANID 0x00000001 -#define IXGBE_FDIRM_VLANP 0x00000002 -#define IXGBE_FDIRM_POOL 0x00000004 -#define IXGBE_FDIRM_L3P 0x00000008 -#define IXGBE_FDIRM_L4P 0x00000010 -#define IXGBE_FDIRM_FLEX 0x00000020 -#define IXGBE_FDIRM_DIPv6 0x00000040 - -#define IXGBE_FDIRFREE_FREE_MASK 0xFFFF -#define IXGBE_FDIRFREE_FREE_SHIFT 0 -#define IXGBE_FDIRFREE_COLL_MASK 0x7FFF0000 -#define IXGBE_FDIRFREE_COLL_SHIFT 16 -#define IXGBE_FDIRLEN_MAXLEN_MASK 0x3F -#define IXGBE_FDIRLEN_MAXLEN_SHIFT 0 -#define IXGBE_FDIRLEN_MAXHASH_MASK 0x7FFF0000 -#define IXGBE_FDIRLEN_MAXHASH_SHIFT 16 -#define IXGBE_FDIRUSTAT_ADD_MASK 0xFFFF -#define IXGBE_FDIRUSTAT_ADD_SHIFT 0 -#define IXGBE_FDIRUSTAT_REMOVE_MASK 0xFFFF0000 -#define IXGBE_FDIRUSTAT_REMOVE_SHIFT 16 -#define IXGBE_FDIRFSTAT_FADD_MASK 0x00FF -#define IXGBE_FDIRFSTAT_FADD_SHIFT 0 -#define IXGBE_FDIRFSTAT_FREMOVE_MASK 0xFF00 -#define IXGBE_FDIRFSTAT_FREMOVE_SHIFT 8 -#define IXGBE_FDIRPORT_DESTINATION_SHIFT 16 -#define IXGBE_FDIRVLAN_FLEX_SHIFT 16 -#define IXGBE_FDIRHASH_BUCKET_VALID_SHIFT 15 -#define IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT 16 - -#define IXGBE_FDIRCMD_CMD_MASK 0x00000003 -#define IXGBE_FDIRCMD_CMD_ADD_FLOW 0x00000001 -#define IXGBE_FDIRCMD_CMD_REMOVE_FLOW 0x00000002 -#define IXGBE_FDIRCMD_CMD_QUERY_REM_FILT 0x00000003 -#define IXGBE_FDIRCMD_CMD_QUERY_REM_HASH 0x00000007 -#define IXGBE_FDIRCMD_FILTER_UPDATE 0x00000008 -#define IXGBE_FDIRCMD_IPv6DMATCH 0x00000010 -#define IXGBE_FDIRCMD_L4TYPE_UDP 0x00000020 -#define IXGBE_FDIRCMD_L4TYPE_TCP 0x00000040 -#define IXGBE_FDIRCMD_L4TYPE_SCTP 0x00000060 -#define IXGBE_FDIRCMD_IPV6 0x00000080 -#define IXGBE_FDIRCMD_CLEARHT 0x00000100 -#define IXGBE_FDIRCMD_DROP 0x00000200 -#define IXGBE_FDIRCMD_INT 0x00000400 -#define IXGBE_FDIRCMD_LAST 0x00000800 -#define IXGBE_FDIRCMD_COLLISION 0x00001000 -#define IXGBE_FDIRCMD_QUEUE_EN 0x00008000 -#define IXGBE_FDIRCMD_RX_QUEUE_SHIFT 16 -#define IXGBE_FDIRCMD_VT_POOL_SHIFT 24 -#define IXGBE_FDIR_INIT_DONE_POLL 10 -#define IXGBE_FDIRCMD_CMD_POLL 10 - -/* Transmit Descriptor - Advanced */ -union ixgbe_adv_tx_desc { - struct { - __le64 buffer_addr; /* Address of descriptor's data buf */ - __le32 cmd_type_len; - __le32 olinfo_status; - } read; - struct { - __le64 rsvd; /* Reserved */ - __le32 nxtseq_seed; - __le32 status; - } wb; -}; - -/* Receive Descriptor - Advanced */ -union ixgbe_adv_rx_desc { - struct { - __le64 pkt_addr; /* Packet buffer address */ - __le64 hdr_addr; /* Header buffer address */ - } read; - struct { - struct { - union { - __le32 data; - struct { - __le16 pkt_info; /* RSS, Pkt type */ - __le16 hdr_info; /* Splithdr, hdrlen */ - } hs_rss; - } lo_dword; - union { - __le32 rss; /* RSS Hash */ - struct { - __le16 ip_id; /* IP id */ - __le16 csum; /* Packet Checksum */ - } csum_ip; - } hi_dword; - } lower; - struct { - __le32 status_error; /* ext status/error */ - __le16 length; /* Packet length */ - __le16 vlan; /* VLAN tag */ - } upper; - } wb; /* writeback */ -}; - -/* Context descriptors */ -struct ixgbe_adv_tx_context_desc { - __le32 vlan_macip_lens; - __le32 seqnum_seed; - __le32 type_tucmd_mlhl; - __le32 mss_l4len_idx; -}; - -/* Adv Transmit Descriptor Config Masks */ -#define IXGBE_ADVTXD_DTALEN_MASK 0x0000FFFF /* Data buf length(bytes) */ -#define IXGBE_ADVTXD_MAC_LINKSEC 0x00040000 /* Insert LinkSec */ -#define IXGBE_ADVTXD_IPSEC_SA_INDEX_MASK 0x000003FF /* IPSec SA index */ -#define IXGBE_ADVTXD_IPSEC_ESP_LEN_MASK 0x000001FF /* IPSec ESP length */ -#define IXGBE_ADVTXD_DTYP_MASK 0x00F00000 /* DTYP mask */ -#define IXGBE_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Desc */ -#define IXGBE_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ -#define IXGBE_ADVTXD_DCMD_EOP IXGBE_TXD_CMD_EOP /* End of Packet */ -#define IXGBE_ADVTXD_DCMD_IFCS IXGBE_TXD_CMD_IFCS /* Insert FCS */ -#define IXGBE_ADVTXD_DCMD_RS IXGBE_TXD_CMD_RS /* Report Status */ -#define IXGBE_ADVTXD_DCMD_DDTYP_ISCSI 0x10000000 /* DDP hdr type or iSCSI */ -#define IXGBE_ADVTXD_DCMD_DEXT IXGBE_TXD_CMD_DEXT /* Desc ext (1=Adv) */ -#define IXGBE_ADVTXD_DCMD_VLE IXGBE_TXD_CMD_VLE /* VLAN pkt enable */ -#define IXGBE_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */ -#define IXGBE_ADVTXD_STAT_DD IXGBE_TXD_STAT_DD /* Descriptor Done */ -#define IXGBE_ADVTXD_STAT_SN_CRC 0x00000002 /* NXTSEQ/SEED pres in WB */ -#define IXGBE_ADVTXD_STAT_RSV 0x0000000C /* STA Reserved */ -#define IXGBE_ADVTXD_IDX_SHIFT 4 /* Adv desc Index shift */ -#define IXGBE_ADVTXD_CC 0x00000080 /* Check Context */ -#define IXGBE_ADVTXD_POPTS_SHIFT 8 /* Adv desc POPTS shift */ -#define IXGBE_ADVTXD_POPTS_IXSM (IXGBE_TXD_POPTS_IXSM << \ - IXGBE_ADVTXD_POPTS_SHIFT) -#define IXGBE_ADVTXD_POPTS_TXSM (IXGBE_TXD_POPTS_TXSM << \ - IXGBE_ADVTXD_POPTS_SHIFT) -#define IXGBE_ADVTXD_POPTS_ISCO_1ST 0x00000000 /* 1st TSO of iSCSI PDU */ -#define IXGBE_ADVTXD_POPTS_ISCO_MDL 0x00000800 /* Middle TSO of iSCSI PDU */ -#define IXGBE_ADVTXD_POPTS_ISCO_LAST 0x00001000 /* Last TSO of iSCSI PDU */ -#define IXGBE_ADVTXD_POPTS_ISCO_FULL 0x00001800 /* 1st&Last TSO-full iSCSI PDU */ -#define IXGBE_ADVTXD_POPTS_RSV 0x00002000 /* POPTS Reserved */ -#define IXGBE_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */ -#define IXGBE_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ -#define IXGBE_ADVTXD_VLAN_SHIFT 16 /* Adv ctxt vlan tag shift */ -#define IXGBE_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */ -#define IXGBE_ADVTXD_TUCMD_IPV6 0x00000000 /* IP Packet Type: 0=IPv6 */ -#define IXGBE_ADVTXD_TUCMD_L4T_UDP 0x00000000 /* L4 Packet TYPE of UDP */ -#define IXGBE_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */ -#define IXGBE_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 Packet TYPE of SCTP */ -#define IXGBE_ADVTXD_TUCMD_MKRREQ 0x00002000 /*Req requires Markers and CRC*/ -#define IXGBE_ADVTXD_POPTS_IPSEC 0x00000400 /* IPSec offload request */ -#define IXGBE_ADVTXD_TUCMD_IPSEC_TYPE_ESP 0x00002000 /* IPSec Type ESP */ -#define IXGBE_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN 0x00004000/* ESP Encrypt Enable */ -#define IXGBE_ADVTXT_TUCMD_FCOE 0x00008000 /* FCoE Frame Type */ -#define IXGBE_ADVTXD_FCOEF_EOF_MASK (0x3 << 10) /* FC EOF index */ -#define IXGBE_ADVTXD_FCOEF_SOF ((1 << 2) << 10) /* FC SOF index */ -#define IXGBE_ADVTXD_FCOEF_PARINC ((1 << 3) << 10) /* Rel_Off in F_CTL */ -#define IXGBE_ADVTXD_FCOEF_ORIE ((1 << 4) << 10) /* Orientation: End */ -#define IXGBE_ADVTXD_FCOEF_ORIS ((1 << 5) << 10) /* Orientation: Start */ -#define IXGBE_ADVTXD_FCOEF_EOF_N (0x0 << 10) /* 00: EOFn */ -#define IXGBE_ADVTXD_FCOEF_EOF_T (0x1 << 10) /* 01: EOFt */ -#define IXGBE_ADVTXD_FCOEF_EOF_NI (0x2 << 10) /* 10: EOFni */ -#define IXGBE_ADVTXD_FCOEF_EOF_A (0x3 << 10) /* 11: EOFa */ -#define IXGBE_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */ -#define IXGBE_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */ - -/* Autonegotiation advertised speeds */ -typedef u32 ixgbe_autoneg_advertised; -/* Link speed */ -typedef u32 ixgbe_link_speed; -#define IXGBE_LINK_SPEED_UNKNOWN 0 -#define IXGBE_LINK_SPEED_100_FULL 0x0008 -#define IXGBE_LINK_SPEED_1GB_FULL 0x0020 -#define IXGBE_LINK_SPEED_10GB_FULL 0x0080 -#define IXGBE_LINK_SPEED_82598_AUTONEG (IXGBE_LINK_SPEED_1GB_FULL | \ - IXGBE_LINK_SPEED_10GB_FULL) -#define IXGBE_LINK_SPEED_82599_AUTONEG (IXGBE_LINK_SPEED_100_FULL | \ - IXGBE_LINK_SPEED_1GB_FULL | \ - IXGBE_LINK_SPEED_10GB_FULL) - -#define IXGBE_PCIE_DEV_CTRL_2 0xC8 -#define PCIE_COMPL_TO_VALUE 0x05 - -/* Physical layer type */ -typedef u32 ixgbe_physical_layer; -#define IXGBE_PHYSICAL_LAYER_UNKNOWN 0 -#define IXGBE_PHYSICAL_LAYER_10GBASE_T 0x0001 -#define IXGBE_PHYSICAL_LAYER_1000BASE_T 0x0002 -#define IXGBE_PHYSICAL_LAYER_100BASE_TX 0x0004 -#define IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU 0x0008 -#define IXGBE_PHYSICAL_LAYER_10GBASE_LR 0x0010 -#define IXGBE_PHYSICAL_LAYER_10GBASE_LRM 0x0020 -#define IXGBE_PHYSICAL_LAYER_10GBASE_SR 0x0040 -#define IXGBE_PHYSICAL_LAYER_10GBASE_KX4 0x0080 -#define IXGBE_PHYSICAL_LAYER_10GBASE_CX4 0x0100 -#define IXGBE_PHYSICAL_LAYER_1000BASE_KX 0x0200 -#define IXGBE_PHYSICAL_LAYER_1000BASE_BX 0x0400 -#define IXGBE_PHYSICAL_LAYER_10GBASE_KR 0x0800 -#define IXGBE_PHYSICAL_LAYER_10GBASE_XAUI 0x1000 -#define IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA 0x2000 - -/* Flow Control Macros */ -#define PAUSE_RTT 8 -#define PAUSE_MTU(MTU) ((MTU + 1024 - 1) / 1024) - -#define FC_HIGH_WATER(MTU) ((((PAUSE_RTT + PAUSE_MTU(MTU)) * 144) + 99) / 100 +\ - PAUSE_MTU(MTU)) -#define FC_LOW_WATER(MTU) (2 * (2 * PAUSE_MTU(MTU) + PAUSE_RTT)) - -/* Software ATR hash keys */ -#define IXGBE_ATR_BUCKET_HASH_KEY 0xE214AD3D -#define IXGBE_ATR_SIGNATURE_HASH_KEY 0x14364D17 - -/* Software ATR input stream offsets and masks */ -#define IXGBE_ATR_VLAN_OFFSET 0 -#define IXGBE_ATR_SRC_IPV6_OFFSET 2 -#define IXGBE_ATR_SRC_IPV4_OFFSET 14 -#define IXGBE_ATR_DST_IPV6_OFFSET 18 -#define IXGBE_ATR_DST_IPV4_OFFSET 30 -#define IXGBE_ATR_SRC_PORT_OFFSET 34 -#define IXGBE_ATR_DST_PORT_OFFSET 36 -#define IXGBE_ATR_FLEX_BYTE_OFFSET 38 -#define IXGBE_ATR_VM_POOL_OFFSET 40 -#define IXGBE_ATR_L4TYPE_OFFSET 41 - -#define IXGBE_ATR_L4TYPE_MASK 0x3 -#define IXGBE_ATR_L4TYPE_IPV6_MASK 0x4 -#define IXGBE_ATR_L4TYPE_UDP 0x1 -#define IXGBE_ATR_L4TYPE_TCP 0x2 -#define IXGBE_ATR_L4TYPE_SCTP 0x3 -#define IXGBE_ATR_HASH_MASK 0x7fff - -/* Flow Director ATR input struct. */ -struct ixgbe_atr_input { - /* Byte layout in order, all values with MSB first: - * - * vlan_id - 2 bytes - * src_ip - 16 bytes - * dst_ip - 16 bytes - * src_port - 2 bytes - * dst_port - 2 bytes - * flex_bytes - 2 bytes - * vm_pool - 1 byte - * l4type - 1 byte - */ - u8 byte_stream[42]; -}; - -struct ixgbe_atr_input_masks { - u32 src_ip_mask; - u32 dst_ip_mask; - u16 src_port_mask; - u16 dst_port_mask; - u16 vlan_id_mask; - u16 data_mask; -}; - -enum ixgbe_eeprom_type { - ixgbe_eeprom_uninitialized = 0, - ixgbe_eeprom_spi, - ixgbe_flash, - ixgbe_eeprom_none /* No NVM support */ -}; - -enum ixgbe_mac_type { - ixgbe_mac_unknown = 0, - ixgbe_mac_82598EB, - ixgbe_mac_82599EB, - ixgbe_mac_X540, - ixgbe_num_macs -}; - -enum ixgbe_phy_type { - ixgbe_phy_unknown = 0, - ixgbe_phy_tn, - ixgbe_phy_aq, - ixgbe_phy_cu_unknown, - ixgbe_phy_qt, - ixgbe_phy_xaui, - ixgbe_phy_nl, - ixgbe_phy_sfp_passive_tyco, - ixgbe_phy_sfp_passive_unknown, - ixgbe_phy_sfp_active_unknown, - ixgbe_phy_sfp_avago, - ixgbe_phy_sfp_ftl, - ixgbe_phy_sfp_ftl_active, - ixgbe_phy_sfp_unknown, - ixgbe_phy_sfp_intel, - ixgbe_phy_sfp_unsupported, - ixgbe_phy_generic -}; - -/* - * SFP+ module type IDs: - * - * ID Module Type - * ============= - * 0 SFP_DA_CU - * 1 SFP_SR - * 2 SFP_LR - * 3 SFP_DA_CU_CORE0 - 82599-specific - * 4 SFP_DA_CU_CORE1 - 82599-specific - * 5 SFP_SR/LR_CORE0 - 82599-specific - * 6 SFP_SR/LR_CORE1 - 82599-specific - */ -enum ixgbe_sfp_type { - ixgbe_sfp_type_da_cu = 0, - ixgbe_sfp_type_sr = 1, - ixgbe_sfp_type_lr = 2, - ixgbe_sfp_type_da_cu_core0 = 3, - ixgbe_sfp_type_da_cu_core1 = 4, - ixgbe_sfp_type_srlr_core0 = 5, - ixgbe_sfp_type_srlr_core1 = 6, - ixgbe_sfp_type_da_act_lmt_core0 = 7, - ixgbe_sfp_type_da_act_lmt_core1 = 8, - ixgbe_sfp_type_1g_cu_core0 = 9, - ixgbe_sfp_type_1g_cu_core1 = 10, - ixgbe_sfp_type_not_present = 0xFFFE, - ixgbe_sfp_type_unknown = 0xFFFF -}; - -enum ixgbe_media_type { - ixgbe_media_type_unknown = 0, - ixgbe_media_type_fiber, - ixgbe_media_type_copper, - ixgbe_media_type_backplane, - ixgbe_media_type_cx4, - ixgbe_media_type_virtual -}; - -/* Flow Control Settings */ -enum ixgbe_fc_mode { - ixgbe_fc_none = 0, - ixgbe_fc_rx_pause, - ixgbe_fc_tx_pause, - ixgbe_fc_full, -#ifdef CONFIG_DCB - ixgbe_fc_pfc, -#endif - ixgbe_fc_default -}; - -/* Smart Speed Settings */ -#define IXGBE_SMARTSPEED_MAX_RETRIES 3 -enum ixgbe_smart_speed { - ixgbe_smart_speed_auto = 0, - ixgbe_smart_speed_on, - ixgbe_smart_speed_off -}; - -/* PCI bus types */ -enum ixgbe_bus_type { - ixgbe_bus_type_unknown = 0, - ixgbe_bus_type_pci, - ixgbe_bus_type_pcix, - ixgbe_bus_type_pci_express, - ixgbe_bus_type_reserved -}; - -/* PCI bus speeds */ -enum ixgbe_bus_speed { - ixgbe_bus_speed_unknown = 0, - ixgbe_bus_speed_33, - ixgbe_bus_speed_66, - ixgbe_bus_speed_100, - ixgbe_bus_speed_120, - ixgbe_bus_speed_133, - ixgbe_bus_speed_2500, - ixgbe_bus_speed_5000, - ixgbe_bus_speed_reserved -}; - -/* PCI bus widths */ -enum ixgbe_bus_width { - ixgbe_bus_width_unknown = 0, - ixgbe_bus_width_pcie_x1, - ixgbe_bus_width_pcie_x2, - ixgbe_bus_width_pcie_x4 = 4, - ixgbe_bus_width_pcie_x8 = 8, - ixgbe_bus_width_32, - ixgbe_bus_width_64, - ixgbe_bus_width_reserved -}; - -struct ixgbe_addr_filter_info { - u32 num_mc_addrs; - u32 rar_used_count; - u32 mc_addr_in_rar_count; - u32 mta_in_use; - u32 overflow_promisc; - bool uc_set_promisc; - bool user_set_promisc; -}; - -/* Bus parameters */ -struct ixgbe_bus_info { - enum ixgbe_bus_speed speed; - enum ixgbe_bus_width width; - enum ixgbe_bus_type type; - - u16 func; - u16 lan_id; -}; - -/* Flow control parameters */ -struct ixgbe_fc_info { - u32 high_water; /* Flow Control High-water */ - u32 low_water; /* Flow Control Low-water */ - u16 pause_time; /* Flow Control Pause timer */ - bool send_xon; /* Flow control send XON */ - bool strict_ieee; /* Strict IEEE mode */ - bool disable_fc_autoneg; /* Do not autonegotiate FC */ - bool fc_was_autonegged; /* Is current_mode the result of autonegging? */ - enum ixgbe_fc_mode current_mode; /* FC mode in effect */ - enum ixgbe_fc_mode requested_mode; /* FC mode requested by caller */ -}; - -/* Statistics counters collected by the MAC */ -struct ixgbe_hw_stats { - u64 crcerrs; - u64 illerrc; - u64 errbc; - u64 mspdc; - u64 mpctotal; - u64 mpc[8]; - u64 mlfc; - u64 mrfc; - u64 rlec; - u64 lxontxc; - u64 lxonrxc; - u64 lxofftxc; - u64 lxoffrxc; - u64 pxontxc[8]; - u64 pxonrxc[8]; - u64 pxofftxc[8]; - u64 pxoffrxc[8]; - u64 prc64; - u64 prc127; - u64 prc255; - u64 prc511; - u64 prc1023; - u64 prc1522; - u64 gprc; - u64 bprc; - u64 mprc; - u64 gptc; - u64 gorc; - u64 gotc; - u64 rnbc[8]; - u64 ruc; - u64 rfc; - u64 roc; - u64 rjc; - u64 mngprc; - u64 mngpdc; - u64 mngptc; - u64 tor; - u64 tpr; - u64 tpt; - u64 ptc64; - u64 ptc127; - u64 ptc255; - u64 ptc511; - u64 ptc1023; - u64 ptc1522; - u64 mptc; - u64 bptc; - u64 xec; - u64 rqsmr[16]; - u64 tqsmr[8]; - u64 qprc[16]; - u64 qptc[16]; - u64 qbrc[16]; - u64 qbtc[16]; - u64 qprdc[16]; - u64 pxon2offc[8]; - u64 fdirustat_add; - u64 fdirustat_remove; - u64 fdirfstat_fadd; - u64 fdirfstat_fremove; - u64 fdirmatch; - u64 fdirmiss; - u64 fccrc; - u64 fcoerpdc; - u64 fcoeprc; - u64 fcoeptc; - u64 fcoedwrc; - u64 fcoedwtc; -}; - -/* forward declaration */ -struct ixgbe_hw; - -/* iterator type for walking multicast address lists */ -typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr, - u32 *vmdq); - -/* Function pointer table */ -struct ixgbe_eeprom_operations { - s32 (*init_params)(struct ixgbe_hw *); - s32 (*read)(struct ixgbe_hw *, u16, u16 *); - s32 (*write)(struct ixgbe_hw *, u16, u16); - s32 (*validate_checksum)(struct ixgbe_hw *, u16 *); - s32 (*update_checksum)(struct ixgbe_hw *); - u16 (*calc_checksum)(struct ixgbe_hw *); -}; - -struct ixgbe_mac_operations { - s32 (*init_hw)(struct ixgbe_hw *); - s32 (*reset_hw)(struct ixgbe_hw *); - s32 (*start_hw)(struct ixgbe_hw *); - s32 (*clear_hw_cntrs)(struct ixgbe_hw *); - enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *); - u32 (*get_supported_physical_layer)(struct ixgbe_hw *); - s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *); - s32 (*get_san_mac_addr)(struct ixgbe_hw *, u8 *); - s32 (*get_device_caps)(struct ixgbe_hw *, u16 *); - s32 (*get_wwn_prefix)(struct ixgbe_hw *, u16 *, u16 *); - s32 (*stop_adapter)(struct ixgbe_hw *); - s32 (*get_bus_info)(struct ixgbe_hw *); - void (*set_lan_id)(struct ixgbe_hw *); - s32 (*read_analog_reg8)(struct ixgbe_hw*, u32, u8*); - s32 (*write_analog_reg8)(struct ixgbe_hw*, u32, u8); - s32 (*setup_sfp)(struct ixgbe_hw *); - s32 (*enable_rx_dma)(struct ixgbe_hw *, u32); - - /* Link */ - void (*disable_tx_laser)(struct ixgbe_hw *); - void (*enable_tx_laser)(struct ixgbe_hw *); - void (*flap_tx_laser)(struct ixgbe_hw *); - s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool); - s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool); - s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *, - bool *); - - /* LED */ - s32 (*led_on)(struct ixgbe_hw *, u32); - s32 (*led_off)(struct ixgbe_hw *, u32); - s32 (*blink_led_start)(struct ixgbe_hw *, u32); - s32 (*blink_led_stop)(struct ixgbe_hw *, u32); - - /* RAR, Multicast, VLAN */ - s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32, u32); - s32 (*clear_rar)(struct ixgbe_hw *, u32); - s32 (*set_vmdq)(struct ixgbe_hw *, u32, u32); - s32 (*clear_vmdq)(struct ixgbe_hw *, u32, u32); - s32 (*init_rx_addrs)(struct ixgbe_hw *); - s32 (*update_uc_addr_list)(struct ixgbe_hw *, struct net_device *); - s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *); - s32 (*enable_mc)(struct ixgbe_hw *); - s32 (*disable_mc)(struct ixgbe_hw *); - s32 (*clear_vfta)(struct ixgbe_hw *); - s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool); - s32 (*init_uta_tables)(struct ixgbe_hw *); - - /* Flow Control */ - s32 (*fc_enable)(struct ixgbe_hw *, s32); -}; - -struct ixgbe_phy_operations { - s32 (*identify)(struct ixgbe_hw *); - s32 (*identify_sfp)(struct ixgbe_hw *); - s32 (*init)(struct ixgbe_hw *); - s32 (*reset)(struct ixgbe_hw *); - s32 (*read_reg)(struct ixgbe_hw *, u32, u32, u16 *); - s32 (*write_reg)(struct ixgbe_hw *, u32, u32, u16); - s32 (*setup_link)(struct ixgbe_hw *); - s32 (*setup_link_speed)(struct ixgbe_hw *, ixgbe_link_speed, bool, - bool); - s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *); - s32 (*get_firmware_version)(struct ixgbe_hw *, u16 *); - s32 (*read_i2c_byte)(struct ixgbe_hw *, u8, u8, u8 *); - s32 (*write_i2c_byte)(struct ixgbe_hw *, u8, u8, u8); - s32 (*read_i2c_eeprom)(struct ixgbe_hw *, u8 , u8 *); - s32 (*write_i2c_eeprom)(struct ixgbe_hw *, u8, u8); - s32 (*check_overtemp)(struct ixgbe_hw *); -}; - -struct ixgbe_eeprom_info { - struct ixgbe_eeprom_operations ops; - enum ixgbe_eeprom_type type; - u32 semaphore_delay; - u16 word_size; - u16 address_bits; -}; - -struct ixgbe_mac_info { - struct ixgbe_mac_operations ops; - enum ixgbe_mac_type type; - u8 addr[IXGBE_ETH_LENGTH_OF_ADDRESS]; - u8 perm_addr[IXGBE_ETH_LENGTH_OF_ADDRESS]; - u8 san_addr[IXGBE_ETH_LENGTH_OF_ADDRESS]; - /* prefix for World Wide Node Name (WWNN) */ - u16 wwnn_prefix; - /* prefix for World Wide Port Name (WWPN) */ - u16 wwpn_prefix; - s32 mc_filter_type; - u32 mcft_size; - u32 vft_size; - u32 num_rar_entries; - u32 rar_highwater; - u32 max_tx_queues; - u32 max_rx_queues; - u32 max_msix_vectors; - u32 orig_autoc; - u32 orig_autoc2; - bool orig_link_settings_stored; - bool autotry_restart; -}; - -struct ixgbe_phy_info { - struct ixgbe_phy_operations ops; - struct mdio_if_info mdio; - enum ixgbe_phy_type type; - u32 id; - enum ixgbe_sfp_type sfp_type; - bool sfp_setup_needed; - u32 revision; - enum ixgbe_media_type media_type; - bool reset_disable; - ixgbe_autoneg_advertised autoneg_advertised; - enum ixgbe_smart_speed smart_speed; - bool smart_speed_active; - bool multispeed_fiber; - bool reset_if_overtemp; -}; - -#include "ixgbe_mbx.h" - -struct ixgbe_mbx_operations { - s32 (*init_params)(struct ixgbe_hw *hw); - s32 (*read)(struct ixgbe_hw *, u32 *, u16, u16); - s32 (*write)(struct ixgbe_hw *, u32 *, u16, u16); - s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16, u16); - s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16, u16); - s32 (*check_for_msg)(struct ixgbe_hw *, u16); - s32 (*check_for_ack)(struct ixgbe_hw *, u16); - s32 (*check_for_rst)(struct ixgbe_hw *, u16); -}; - -struct ixgbe_mbx_stats { - u32 msgs_tx; - u32 msgs_rx; - - u32 acks; - u32 reqs; - u32 rsts; -}; - -struct ixgbe_mbx_info { - struct ixgbe_mbx_operations ops; - struct ixgbe_mbx_stats stats; - u32 timeout; - u32 usec_delay; - u32 v2p_mailbox; - u16 size; -}; - -struct ixgbe_hw { - u8 __iomem *hw_addr; - void *back; - struct ixgbe_mac_info mac; - struct ixgbe_addr_filter_info addr_ctrl; - struct ixgbe_fc_info fc; - struct ixgbe_phy_info phy; - struct ixgbe_eeprom_info eeprom; - struct ixgbe_bus_info bus; - struct ixgbe_mbx_info mbx; - u16 device_id; - u16 vendor_id; - u16 subsystem_device_id; - u16 subsystem_vendor_id; - u8 revision_id; - bool adapter_stopped; - bool force_full_reset; -}; - -struct ixgbe_info { - enum ixgbe_mac_type mac; - s32 (*get_invariants)(struct ixgbe_hw *); - struct ixgbe_mac_operations *mac_ops; - struct ixgbe_eeprom_operations *eeprom_ops; - struct ixgbe_phy_operations *phy_ops; - struct ixgbe_mbx_operations *mbx_ops; -}; - - -/* Error Codes */ -#define IXGBE_ERR_EEPROM -1 -#define IXGBE_ERR_EEPROM_CHECKSUM -2 -#define IXGBE_ERR_PHY -3 -#define IXGBE_ERR_CONFIG -4 -#define IXGBE_ERR_PARAM -5 -#define IXGBE_ERR_MAC_TYPE -6 -#define IXGBE_ERR_UNKNOWN_PHY -7 -#define IXGBE_ERR_LINK_SETUP -8 -#define IXGBE_ERR_ADAPTER_STOPPED -9 -#define IXGBE_ERR_INVALID_MAC_ADDR -10 -#define IXGBE_ERR_DEVICE_NOT_SUPPORTED -11 -#define IXGBE_ERR_MASTER_REQUESTS_PENDING -12 -#define IXGBE_ERR_INVALID_LINK_SETTINGS -13 -#define IXGBE_ERR_AUTONEG_NOT_COMPLETE -14 -#define IXGBE_ERR_RESET_FAILED -15 -#define IXGBE_ERR_SWFW_SYNC -16 -#define IXGBE_ERR_PHY_ADDR_INVALID -17 -#define IXGBE_ERR_I2C -18 -#define IXGBE_ERR_SFP_NOT_SUPPORTED -19 -#define IXGBE_ERR_SFP_NOT_PRESENT -20 -#define IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT -21 -#define IXGBE_ERR_NO_SAN_ADDR_PTR -22 -#define IXGBE_ERR_FDIR_REINIT_FAILED -23 -#define IXGBE_ERR_EEPROM_VERSION -24 -#define IXGBE_ERR_NO_SPACE -25 -#define IXGBE_ERR_OVERTEMP -26 -#define IXGBE_ERR_RAR_INDEX -27 -#define IXGBE_ERR_SFP_SETUP_NOT_COMPLETE -30 -#define IXGBE_ERR_PBA_SECTION -31 -#define IXGBE_ERR_INVALID_ARGUMENT -32 -#define IXGBE_NOT_IMPLEMENTED 0x7FFFFFFF - -#endif /* _IXGBE_TYPE_H_ */ diff --git a/drivers/net/ixgbe/ixgbe_x540.c b/drivers/net/ixgbe/ixgbe_x540.c deleted file mode 100644 index 9649fa727e3..00000000000 --- a/drivers/net/ixgbe/ixgbe_x540.c +++ /dev/null @@ -1,722 +0,0 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ - -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/sched.h> - -#include "ixgbe.h" -#include "ixgbe_phy.h" -//#include "ixgbe_mbx.h" - -#define IXGBE_X540_MAX_TX_QUEUES 128 -#define IXGBE_X540_MAX_RX_QUEUES 128 -#define IXGBE_X540_RAR_ENTRIES 128 -#define IXGBE_X540_MC_TBL_SIZE 128 -#define IXGBE_X540_VFT_TBL_SIZE 128 - -static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw); -static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw); -static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask); -static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask); -static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw); -static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw); - -static enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw) -{ - return ixgbe_media_type_copper; -} - -static s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw) -{ - struct ixgbe_mac_info *mac = &hw->mac; - - /* Call PHY identify routine to get the phy type */ - ixgbe_identify_phy_generic(hw); - - mac->mcft_size = IXGBE_X540_MC_TBL_SIZE; - mac->vft_size = IXGBE_X540_VFT_TBL_SIZE; - mac->num_rar_entries = IXGBE_X540_RAR_ENTRIES; - mac->max_rx_queues = IXGBE_X540_MAX_RX_QUEUES; - mac->max_tx_queues = IXGBE_X540_MAX_TX_QUEUES; - mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw); - - return 0; -} - -/** - * ixgbe_setup_mac_link_X540 - Set the auto advertised capabilitires - * @hw: pointer to hardware structure - * @speed: new link speed - * @autoneg: true if autonegotiation enabled - * @autoneg_wait_to_complete: true when waiting for completion is needed - **/ -static s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw, - ixgbe_link_speed speed, bool autoneg, - bool autoneg_wait_to_complete) -{ - return hw->phy.ops.setup_link_speed(hw, speed, autoneg, - autoneg_wait_to_complete); -} - -/** - * ixgbe_reset_hw_X540 - Perform hardware reset - * @hw: pointer to hardware structure - * - * Resets the hardware by resetting the transmit and receive units, masks - * and clears all interrupts, perform a PHY reset, and perform a link (MAC) - * reset. - **/ -static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw) -{ - ixgbe_link_speed link_speed; - s32 status = 0; - u32 ctrl; - u32 ctrl_ext; - u32 reset_bit; - u32 i; - u32 autoc; - u32 autoc2; - bool link_up = false; - - /* Call adapter stop to disable tx/rx and clear interrupts */ - hw->mac.ops.stop_adapter(hw); - - /* - * Prevent the PCI-E bus from from hanging by disabling PCI-E master - * access and verify no pending requests before reset - */ - status = ixgbe_disable_pcie_master(hw); - if (status != 0) { - status = IXGBE_ERR_MASTER_REQUESTS_PENDING; - hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); - } - - /* - * Issue global reset to the MAC. Needs to be SW reset if link is up. - * If link reset is used when link is up, it might reset the PHY when - * mng is using it. If link is down or the flag to force full link - * reset is set, then perform link reset. - */ - if (hw->force_full_reset) { - reset_bit = IXGBE_CTRL_LNK_RST; - } else { - hw->mac.ops.check_link(hw, &link_speed, &link_up, false); - if (!link_up) - reset_bit = IXGBE_CTRL_LNK_RST; - else - reset_bit = IXGBE_CTRL_RST; - } - - ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); - IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST)); - IXGBE_WRITE_FLUSH(hw); - - /* Poll for reset bit to self-clear indicating reset is complete */ - for (i = 0; i < 10; i++) { - udelay(1); - ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); - if (!(ctrl & IXGBE_CTRL_RST)) - break; - } - if (ctrl & IXGBE_CTRL_RST) { - status = IXGBE_ERR_RESET_FAILED; - hw_dbg(hw, "Reset polling failed to complete.\n"); - } - - /* Clear PF Reset Done bit so PF/VF Mail Ops can work */ - ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); - ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; - IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); - - msleep(50); - - /* Set the Rx packet buffer size. */ - IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), 384 << IXGBE_RXPBSIZE_SHIFT); - - /* Store the permanent mac address */ - hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); - - /* - * Store the original AUTOC/AUTOC2 values if they have not been - * stored off yet. Otherwise restore the stored original - * values since the reset operation sets back to defaults. - */ - autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); - autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); - if (hw->mac.orig_link_settings_stored == false) { - hw->mac.orig_autoc = autoc; - hw->mac.orig_autoc2 = autoc2; - hw->mac.orig_link_settings_stored = true; - } else { - if (autoc != hw->mac.orig_autoc) - IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc | - IXGBE_AUTOC_AN_RESTART)); - - if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) != - (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) { - autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK; - autoc2 |= (hw->mac.orig_autoc2 & - IXGBE_AUTOC2_UPPER_MASK); - IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2); - } - } - - /* - * Store MAC address from RAR0, clear receive address registers, and - * clear the multicast table. Also reset num_rar_entries to 128, - * since we modify this value when programming the SAN MAC address. - */ - hw->mac.num_rar_entries = 128; - hw->mac.ops.init_rx_addrs(hw); - - /* Store the permanent mac address */ - hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); - - /* Store the permanent SAN mac address */ - hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr); - - /* Add the SAN MAC address to the RAR only if it's a valid address */ - if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) { - hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, - hw->mac.san_addr, 0, IXGBE_RAH_AV); - - /* Reserve the last RAR for the SAN MAC address */ - hw->mac.num_rar_entries--; - } - - /* Store the alternative WWNN/WWPN prefix */ - hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix, - &hw->mac.wwpn_prefix); - - return status; -} - -/** - * ixgbe_get_supported_physical_layer_X540 - Returns physical layer type - * @hw: pointer to hardware structure - * - * Determines physical layer capabilities of the current configuration. - **/ -static u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw) -{ - u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; - u16 ext_ability = 0; - - hw->phy.ops.identify(hw); - - hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD, - &ext_ability); - if (ext_ability & MDIO_PMA_EXTABLE_10GBT) - physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; - if (ext_ability & MDIO_PMA_EXTABLE_1000BT) - physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T; - if (ext_ability & MDIO_PMA_EXTABLE_100BTX) - physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; - - return physical_layer; -} - -/** - * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params - * @hw: pointer to hardware structure - **/ -static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw) -{ - struct ixgbe_eeprom_info *eeprom = &hw->eeprom; - u32 eec; - u16 eeprom_size; - - if (eeprom->type == ixgbe_eeprom_uninitialized) { - eeprom->semaphore_delay = 10; - eeprom->type = ixgbe_flash; - - eec = IXGBE_READ_REG(hw, IXGBE_EEC); - eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >> - IXGBE_EEC_SIZE_SHIFT); - eeprom->word_size = 1 << (eeprom_size + - IXGBE_EEPROM_WORD_SIZE_SHIFT); - - hw_dbg(hw, "Eeprom params: type = %d, size = %d\n", - eeprom->type, eeprom->word_size); - } - - return 0; -} - -/** - * ixgbe_read_eerd_X540 - Read EEPROM word using EERD - * @hw: pointer to hardware structure - * @offset: offset of word in the EEPROM to read - * @data: word read from the EERPOM - **/ -static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data) -{ - s32 status; - - if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM)) - status = ixgbe_read_eerd_generic(hw, offset, data); - else - status = IXGBE_ERR_SWFW_SYNC; - - ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM); - return status; -} - -/** - * ixgbe_write_eewr_X540 - Write EEPROM word using EEWR - * @hw: pointer to hardware structure - * @offset: offset of word in the EEPROM to write - * @data: word write to the EEPROM - * - * Write a 16 bit word to the EEPROM using the EEWR register. - **/ -static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data) -{ - u32 eewr; - s32 status; - - hw->eeprom.ops.init_params(hw); - - if (offset >= hw->eeprom.word_size) { - status = IXGBE_ERR_EEPROM; - goto out; - } - - eewr = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) | - (data << IXGBE_EEPROM_RW_REG_DATA) | - IXGBE_EEPROM_RW_REG_START; - - if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM)) { - status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE); - if (status != 0) { - hw_dbg(hw, "Eeprom write EEWR timed out\n"); - goto out; - } - - IXGBE_WRITE_REG(hw, IXGBE_EEWR, eewr); - - status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE); - if (status != 0) { - hw_dbg(hw, "Eeprom write EEWR timed out\n"); - goto out; - } - } else { - status = IXGBE_ERR_SWFW_SYNC; - } - -out: - ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM); - return status; -} - -/** - * ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum - * @hw: pointer to hardware structure - **/ -static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw) -{ - u16 i; - u16 j; - u16 checksum = 0; - u16 length = 0; - u16 pointer = 0; - u16 word = 0; - - /* Include 0x0-0x3F in the checksum */ - for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) { - if (hw->eeprom.ops.read(hw, i, &word) != 0) { - hw_dbg(hw, "EEPROM read failed\n"); - break; - } - checksum += word; - } - - /* - * Include all data from pointers 0x3, 0x6-0xE. This excludes the - * FW, PHY module, and PCIe Expansion/Option ROM pointers. - */ - for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) { - if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR) - continue; - - if (hw->eeprom.ops.read(hw, i, &pointer) != 0) { - hw_dbg(hw, "EEPROM read failed\n"); - break; - } - - /* Skip pointer section if the pointer is invalid. */ - if (pointer == 0xFFFF || pointer == 0 || - pointer >= hw->eeprom.word_size) - continue; - - if (hw->eeprom.ops.read(hw, pointer, &length) != 0) { - hw_dbg(hw, "EEPROM read failed\n"); - break; - } - - /* Skip pointer section if length is invalid. */ - if (length == 0xFFFF || length == 0 || - (pointer + length) >= hw->eeprom.word_size) - continue; - - for (j = pointer+1; j <= pointer+length; j++) { - if (hw->eeprom.ops.read(hw, j, &word) != 0) { - hw_dbg(hw, "EEPROM read failed\n"); - break; - } - checksum += word; - } - } - - checksum = (u16)IXGBE_EEPROM_SUM - checksum; - - return checksum; -} - -/** - * ixgbe_update_eeprom_checksum_X540 - Updates the EEPROM checksum and flash - * @hw: pointer to hardware structure - * - * After writing EEPROM to shadow RAM using EEWR register, software calculates - * checksum and updates the EEPROM and instructs the hardware to update - * the flash. - **/ -static s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw) -{ - s32 status; - - status = ixgbe_update_eeprom_checksum_generic(hw); - - if (status) - status = ixgbe_update_flash_X540(hw); - - return status; -} - -/** - * ixgbe_update_flash_X540 - Instruct HW to copy EEPROM to Flash device - * @hw: pointer to hardware structure - * - * Set FLUP (bit 23) of the EEC register to instruct Hardware to copy - * EEPROM from shadow RAM to the flash device. - **/ -static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw) -{ - u32 flup; - s32 status = IXGBE_ERR_EEPROM; - - status = ixgbe_poll_flash_update_done_X540(hw); - if (status == IXGBE_ERR_EEPROM) { - hw_dbg(hw, "Flash update time out\n"); - goto out; - } - - flup = IXGBE_READ_REG(hw, IXGBE_EEC) | IXGBE_EEC_FLUP; - IXGBE_WRITE_REG(hw, IXGBE_EEC, flup); - - status = ixgbe_poll_flash_update_done_X540(hw); - if (status) - hw_dbg(hw, "Flash update complete\n"); - else - hw_dbg(hw, "Flash update time out\n"); - - if (hw->revision_id == 0) { - flup = IXGBE_READ_REG(hw, IXGBE_EEC); - - if (flup & IXGBE_EEC_SEC1VAL) { - flup |= IXGBE_EEC_FLUP; - IXGBE_WRITE_REG(hw, IXGBE_EEC, flup); - } - - status = ixgbe_poll_flash_update_done_X540(hw); - if (status) - hw_dbg(hw, "Flash update complete\n"); - else - hw_dbg(hw, "Flash update time out\n"); - - } -out: - return status; -} - -/** - * ixgbe_poll_flash_update_done_X540 - Poll flash update status - * @hw: pointer to hardware structure - * - * Polls the FLUDONE (bit 26) of the EEC Register to determine when the - * flash update is done. - **/ -static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw) -{ - u32 i; - u32 reg; - s32 status = IXGBE_ERR_EEPROM; - - for (i = 0; i < IXGBE_FLUDONE_ATTEMPTS; i++) { - reg = IXGBE_READ_REG(hw, IXGBE_EEC); - if (reg & IXGBE_EEC_FLUDONE) { - status = 0; - break; - } - udelay(5); - } - return status; -} - -/** - * ixgbe_acquire_swfw_sync_X540 - Acquire SWFW semaphore - * @hw: pointer to hardware structure - * @mask: Mask to specify which semaphore to acquire - * - * Acquires the SWFW semaphore thought the SW_FW_SYNC register for - * the specified function (CSR, PHY0, PHY1, NVM, Flash) - **/ -static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask) -{ - u32 swfw_sync; - u32 swmask = mask; - u32 fwmask = mask << 5; - u32 hwmask = 0; - u32 timeout = 200; - u32 i; - - if (swmask == IXGBE_GSSR_EEP_SM) - hwmask = IXGBE_GSSR_FLASH_SM; - - for (i = 0; i < timeout; i++) { - /* - * SW NVM semaphore bit is used for access to all - * SW_FW_SYNC bits (not just NVM) - */ - if (ixgbe_get_swfw_sync_semaphore(hw)) - return IXGBE_ERR_SWFW_SYNC; - - swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); - if (!(swfw_sync & (fwmask | swmask | hwmask))) { - swfw_sync |= swmask; - IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync); - ixgbe_release_swfw_sync_semaphore(hw); - break; - } else { - /* - * Firmware currently using resource (fwmask), - * hardware currently using resource (hwmask), - * or other software thread currently using - * resource (swmask) - */ - ixgbe_release_swfw_sync_semaphore(hw); - msleep(5); - } - } - - /* - * If the resource is not released by the FW/HW the SW can assume that - * the FW/HW malfunctions. In that case the SW should sets the - * SW bit(s) of the requested resource(s) while ignoring the - * corresponding FW/HW bits in the SW_FW_SYNC register. - */ - if (i >= timeout) { - swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); - if (swfw_sync & (fwmask | hwmask)) { - if (ixgbe_get_swfw_sync_semaphore(hw)) - return IXGBE_ERR_SWFW_SYNC; - - swfw_sync |= swmask; - IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync); - ixgbe_release_swfw_sync_semaphore(hw); - } - } - - msleep(5); - return 0; -} - -/** - * ixgbe_release_swfw_sync_X540 - Release SWFW semaphore - * @hw: pointer to hardware structure - * @mask: Mask to specify which semaphore to release - * - * Releases the SWFW semaphore throught the SW_FW_SYNC register - * for the specified function (CSR, PHY0, PHY1, EVM, Flash) - **/ -static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask) -{ - u32 swfw_sync; - u32 swmask = mask; - - ixgbe_get_swfw_sync_semaphore(hw); - - swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); - swfw_sync &= ~swmask; - IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync); - - ixgbe_release_swfw_sync_semaphore(hw); - msleep(5); -} - -/** - * ixgbe_get_nvm_semaphore - Get hardware semaphore - * @hw: pointer to hardware structure - * - * Sets the hardware semaphores so SW/FW can gain control of shared resources - **/ -static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw) -{ - s32 status = IXGBE_ERR_EEPROM; - u32 timeout = 2000; - u32 i; - u32 swsm; - - /* Get SMBI software semaphore between device drivers first */ - for (i = 0; i < timeout; i++) { - /* - * If the SMBI bit is 0 when we read it, then the bit will be - * set and we have the semaphore - */ - swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); - if (!(swsm & IXGBE_SWSM_SMBI)) { - status = 0; - break; - } - udelay(50); - } - - /* Now get the semaphore between SW/FW through the REGSMP bit */ - if (status) { - for (i = 0; i < timeout; i++) { - swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); - if (!(swsm & IXGBE_SWFW_REGSMP)) - break; - - udelay(50); - } - } else { - hw_dbg(hw, "Software semaphore SMBI between device drivers " - "not granted.\n"); - } - - return status; -} - -/** - * ixgbe_release_nvm_semaphore - Release hardware semaphore - * @hw: pointer to hardware structure - * - * This function clears hardware semaphore bits. - **/ -static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw) -{ - u32 swsm; - - /* Release both semaphores by writing 0 to the bits REGSMP and SMBI */ - - swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); - swsm &= ~IXGBE_SWSM_SMBI; - IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm); - - swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); - swsm &= ~IXGBE_SWFW_REGSMP; - IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swsm); - - IXGBE_WRITE_FLUSH(hw); -} - -static struct ixgbe_mac_operations mac_ops_X540 = { - .init_hw = &ixgbe_init_hw_generic, - .reset_hw = &ixgbe_reset_hw_X540, - .start_hw = &ixgbe_start_hw_generic, - .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, - .get_media_type = &ixgbe_get_media_type_X540, - .get_supported_physical_layer = - &ixgbe_get_supported_physical_layer_X540, - .enable_rx_dma = &ixgbe_enable_rx_dma_generic, - .get_mac_addr = &ixgbe_get_mac_addr_generic, - .get_san_mac_addr = &ixgbe_get_san_mac_addr_generic, - .get_device_caps = NULL, - .get_wwn_prefix = &ixgbe_get_wwn_prefix_generic, - .stop_adapter = &ixgbe_stop_adapter_generic, - .get_bus_info = &ixgbe_get_bus_info_generic, - .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, - .read_analog_reg8 = NULL, - .write_analog_reg8 = NULL, - .setup_link = &ixgbe_setup_mac_link_X540, - .check_link = &ixgbe_check_mac_link_generic, - .get_link_capabilities = &ixgbe_get_copper_link_capabilities_generic, - .led_on = &ixgbe_led_on_generic, - .led_off = &ixgbe_led_off_generic, - .blink_led_start = &ixgbe_blink_led_start_generic, - .blink_led_stop = &ixgbe_blink_led_stop_generic, - .set_rar = &ixgbe_set_rar_generic, - .clear_rar = &ixgbe_clear_rar_generic, - .set_vmdq = &ixgbe_set_vmdq_generic, - .clear_vmdq = &ixgbe_clear_vmdq_generic, - .init_rx_addrs = &ixgbe_init_rx_addrs_generic, - .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, - .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, - .enable_mc = &ixgbe_enable_mc_generic, - .disable_mc = &ixgbe_disable_mc_generic, - .clear_vfta = &ixgbe_clear_vfta_generic, - .set_vfta = &ixgbe_set_vfta_generic, - .fc_enable = &ixgbe_fc_enable_generic, - .init_uta_tables = &ixgbe_init_uta_tables_generic, - .setup_sfp = NULL, -}; - -static struct ixgbe_eeprom_operations eeprom_ops_X540 = { - .init_params = &ixgbe_init_eeprom_params_X540, - .read = &ixgbe_read_eerd_X540, - .write = &ixgbe_write_eewr_X540, - .calc_checksum = &ixgbe_calc_eeprom_checksum_X540, - .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, - .update_checksum = &ixgbe_update_eeprom_checksum_X540, -}; - -static struct ixgbe_phy_operations phy_ops_X540 = { - .identify = &ixgbe_identify_phy_generic, - .identify_sfp = &ixgbe_identify_sfp_module_generic, - .init = NULL, - .reset = &ixgbe_reset_phy_generic, - .read_reg = &ixgbe_read_phy_reg_generic, - .write_reg = &ixgbe_write_phy_reg_generic, - .setup_link = &ixgbe_setup_phy_link_generic, - .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, - .read_i2c_byte = &ixgbe_read_i2c_byte_generic, - .write_i2c_byte = &ixgbe_write_i2c_byte_generic, - .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, - .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, - .check_overtemp = &ixgbe_tn_check_overtemp, -}; - -struct ixgbe_info ixgbe_X540_info = { - .mac = ixgbe_mac_X540, - .get_invariants = &ixgbe_get_invariants_X540, - .mac_ops = &mac_ops_X540, - .eeprom_ops = &eeprom_ops_X540, - .phy_ops = &phy_ops_X540, - .mbx_ops = &mbx_ops_generic, -}; |