diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e')
31 files changed, 8821 insertions, 3540 deletions
diff --git a/drivers/net/ethernet/intel/i40e/Makefile b/drivers/net/ethernet/intel/i40e/Makefile index 479b2c4e552..d9eb80acac4 100644 --- a/drivers/net/ethernet/intel/i40e/Makefile +++ b/drivers/net/ethernet/intel/i40e/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # Intel Ethernet Controller XL710 Family Linux Driver -# Copyright(c) 2013 Intel Corporation. +# Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ # 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. +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <http://www.gnu.org/licenses/>. # # The full GNU General Public License is included in this distribution in # the file called "COPYING". @@ -41,4 +40,7 @@ i40e-objs := i40e_main.o \ i40e_debugfs.o \ i40e_diag.o \ i40e_txrx.o \ + i40e_ptp.o \ i40e_virtchnl_pf.o + +i40e-$(CONFIG_I40E_DCB) += i40e_dcb.o i40e_dcb_nl.o diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index b5252eb8a6c..65985846345 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -29,7 +28,7 @@ #define _I40E_H_ #include <net/tcp.h> -#include <linux/init.h> +#include <net/udp.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/module.h> @@ -46,16 +45,19 @@ #include <linux/sctp.h> #include <linux/pkt_sched.h> #include <linux/ipv6.h> -#include <linux/version.h> #include <net/checksum.h> #include <net/ip6_checksum.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> +#include <linux/clocksource.h> +#include <linux/net_tstamp.h> +#include <linux/ptp_clock_kernel.h> #include "i40e_type.h" #include "i40e_prototype.h" #include "i40e_virtchnl.h" #include "i40e_virtchnl_pf.h" #include "i40e_txrx.h" +#include "i40e_dcb.h" /* Useful i40e defaults */ #define I40E_BASE_PF_SEID 16 @@ -64,15 +66,17 @@ #define I40E_MAX_VEB 16 #define I40E_MAX_NUM_DESCRIPTORS 4096 -#define I40E_MAX_REGISTER 0x0038FFFF +#define I40E_MAX_REGISTER 0x800000 #define I40E_DEFAULT_NUM_DESCRIPTORS 512 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 #define I40E_MIN_NUM_DESCRIPTORS 64 #define I40E_MIN_MSIX 2 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ +#define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ #define I40E_DEFAULT_QUEUES_PER_VMDQ 2 /* max 16 qps */ #define I40E_DEFAULT_QUEUES_PER_VF 4 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ +#define I40E_MAX_QUEUES_PER_TC 64 /* should be a power of 2 */ #define I40E_FDIR_RING 0 #define I40E_FDIR_RING_COUNT 32 #define I40E_MAX_AQ_BUF_SIZE 4096 @@ -82,20 +86,18 @@ #define I40E_DEFAULT_MSG_ENABLE 4 #define I40E_NVM_VERSION_LO_SHIFT 0 -#define I40E_NVM_VERSION_LO_MASK (0xf << I40E_NVM_VERSION_LO_SHIFT) -#define I40E_NVM_VERSION_MID_SHIFT 4 -#define I40E_NVM_VERSION_MID_MASK (0xff << I40E_NVM_VERSION_MID_SHIFT) +#define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) #define I40E_NVM_VERSION_HI_SHIFT 12 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) +/* The values in here are decimal coded as hex as is the case in the NVM map*/ +#define I40E_CURRENT_NVM_VERSION_HI 0x2 +#define I40E_CURRENT_NVM_VERSION_LO 0x40 + /* magic for getting defines into strings */ #define STRINGIFY(foo) #foo #define XSTRINGIFY(bar) STRINGIFY(bar) -#ifndef ARCH_HAS_PREFETCH -#define prefetch(X) -#endif - #define I40E_RX_DESC(R, i) \ ((ring_is_16byte_desc_enabled(R)) \ ? (union i40e_32byte_rx_desc *) \ @@ -128,7 +130,10 @@ enum i40e_state_t { __I40E_PF_RESET_REQUESTED, __I40E_CORE_RESET_REQUESTED, __I40E_GLOBAL_RESET_REQUESTED, + __I40E_EMP_RESET_REQUESTED, __I40E_FILTER_OVERFLOW_PROMISC, + __I40E_SUSPENDED, + __I40E_BAD_EEPROM, }; enum i40e_interrupt_policy { @@ -145,8 +150,33 @@ struct i40e_lump_tracking { }; #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 -#define I40E_FDIR_MAX_RAW_PACKET_LOOKUP 512 -struct i40e_fdir_data { +#define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 +#define I40E_FDIR_BUFFER_FULL_MARGIN 10 +#define I40E_FDIR_BUFFER_HEAD_ROOM 200 + +enum i40e_fd_stat_idx { + I40E_FD_STAT_ATR, + I40E_FD_STAT_SB, + I40E_FD_STAT_PF_COUNT +}; +#define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) +#define I40E_FD_ATR_STAT_IDX(pf_id) \ + (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) +#define I40E_FD_SB_STAT_IDX(pf_id) \ + (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) + +struct i40e_fdir_filter { + struct hlist_node fdir_node; + /* filter ipnut set */ + u8 flow_type; + u8 ip4_proto; + /* TX packet view of src and dst */ + __be32 dst_ip[4]; + __be32 src_ip[4]; + __be16 src_port; + __be16 dst_port; + __be32 sctp_v_tag; + /* filter control */ u16 q_index; u8 flex_off; u8 pctype; @@ -155,9 +185,10 @@ struct i40e_fdir_data { u8 fd_status; u16 cnt_index; u32 fd_id; - u8 *raw_packet; }; +#define I40E_ETH_P_LLDP 0x88cc + #define I40E_DCB_PRIO_TYPE_STRICT 0 #define I40E_DCB_PRIO_TYPE_ETS 1 #define I40E_DCB_STRICT_PRIO_CREDITS 127 @@ -183,23 +214,34 @@ struct i40e_pf { unsigned long state; unsigned long link_check_timeout; struct msix_entry *msix_entries; - u16 num_msix_entries; bool fc_autoneg_status; u16 eeprom_version; - u16 num_vmdq_vsis; /* num vmdq pools this pf has set up */ + u16 num_vmdq_vsis; /* num vmdq vsis this pf has set up */ u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ u16 num_req_vfs; /* num vfs requested for this vf */ u16 num_vf_qps; /* num queue pairs per vf */ - u16 num_tc_qps; /* num queue pairs per TC */ u16 num_lan_qps; /* num lan queues this pf has set up */ u16 num_lan_msix; /* num queue vectors for the base pf vsi */ + int queues_left; /* queues left unclaimed */ u16 rss_size; /* num queues in the RSS array */ u16 rss_size_max; /* HW defined max RSS queues */ u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ + u16 num_alloc_vsi; /* num VSIs this driver supports */ u8 atr_sample_rate; + bool wol_en; + + struct hlist_head fdir_filter_list; + u16 fdir_pf_active_filters; + u16 fd_sb_cnt_idx; + u16 fd_atr_cnt_idx; +#ifdef CONFIG_I40E_VXLAN + __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; + u16 pending_vxlan_bitmap; + +#endif enum i40e_interrupt_policy int_policy; u16 rx_itr_default; u16 tx_itr_default; @@ -217,24 +259,28 @@ struct i40e_pf { #define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4) #define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5) #define I40E_FLAG_RSS_ENABLED (u64)(1 << 6) -#define I40E_FLAG_MQ_ENABLED (u64)(1 << 7) -#define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 8) -#define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 9) -#define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 10) -#define I40E_FLAG_IN_NETPOLL (u64)(1 << 13) -#define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 14) -#define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 15) -#define I40E_FLAG_FILTER_SYNC (u64)(1 << 16) -#define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 18) -#define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 19) -#define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 20) -#define I40E_FLAG_DCB_ENABLED (u64)(1 << 21) -#define I40E_FLAG_FDIR_ENABLED (u64)(1 << 22) -#define I40E_FLAG_FDIR_ATR_ENABLED (u64)(1 << 23) -#define I40E_FLAG_MFP_ENABLED (u64)(1 << 27) - - u16 num_tx_queues; - u16 num_rx_queues; +#define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7) +#define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8) +#define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9) +#define I40E_FLAG_IN_NETPOLL (u64)(1 << 12) +#define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13) +#define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14) +#define I40E_FLAG_FILTER_SYNC (u64)(1 << 15) +#define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17) +#define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18) +#define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19) +#define I40E_FLAG_DCB_ENABLED (u64)(1 << 20) +#define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21) +#define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22) +#define I40E_FLAG_PTP (u64)(1 << 25) +#define I40E_FLAG_MFP_ENABLED (u64)(1 << 26) +#ifdef CONFIG_I40E_VXLAN +#define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27) +#endif +#define I40E_FLAG_DCB_CAPABLE (u64)(1 << 29) + + /* tracks features that get auto disabled by errors */ + u64 auto_disable_flags; bool stat_offsets_loaded; struct i40e_hw_port_stats stats; @@ -248,6 +294,7 @@ struct i40e_pf { u16 globr_count; /* Global reset count */ u16 empr_count; /* EMP reset count */ u16 pfr_count; /* PF reset count */ + u16 sw_int_count; /* SW interrupt count */ struct mutex switch_mutex; u16 lan_vsi; /* our default LAN VSI */ @@ -265,12 +312,13 @@ struct i40e_pf { u16 pf_seid; u16 main_vsi_seid; u16 mac_seid; - struct i40e_aqc_get_switch_config_data *sw_config; struct kobject *switch_kobj; #ifdef CONFIG_DEBUG_FS struct dentry *i40e_dbg_pf; #endif /* CONFIG_DEBUG_FS */ + u16 instance; /* A unique number per i40e_pf instance in the system */ + /* sr-iov config info */ struct i40e_vf *vf; int num_alloc_vfs; /* actual number of VFs allocated */ @@ -288,6 +336,18 @@ struct i40e_pf { u32 fcoe_hmc_filt_num; u32 fcoe_hmc_cntx_num; struct i40e_filter_control_settings filter_settings; + + struct ptp_clock *ptp_clock; + struct ptp_clock_info ptp_caps; + struct sk_buff *ptp_tx_skb; + struct hwtstamp_config tstamp_config; + unsigned long last_rx_ptp_check; + spinlock_t tmreg_lock; /* Used to protect the device time registers. */ + u64 ptp_base_adj; + u32 tx_hwtstamp_timeouts; + u32 rx_hwtstamp_cleared; + bool ptp_tx; + bool ptp_rx; }; struct i40e_mac_filter { @@ -347,9 +407,9 @@ struct i40e_vsi { u32 rx_buf_failed; u32 rx_page_failed; - /* These are arrays of rings, allocated at run-time */ - struct i40e_ring *rx_rings; - struct i40e_ring *tx_rings; + /* These are containers of ring pointers, allocated at run-time */ + struct i40e_ring **rx_rings; + struct i40e_ring **tx_rings; u16 work_limit; /* high bit set means dynamic, use accessor routines to read/write. @@ -366,9 +426,10 @@ struct i40e_vsi { u8 dtype; /* List of q_vectors allocated to this VSI */ - struct i40e_q_vector *q_vectors; + struct i40e_q_vector **q_vectors; int num_q_vectors; int base_vector; + bool irqs_ready; u16 seid; /* HW index of this VSI (absolute index) */ u16 id; /* VSI number */ @@ -422,8 +483,9 @@ struct i40e_q_vector { u8 num_ringpairs; /* total number of ring pairs in vector */ - char name[IFNAMSIZ + 9]; cpumask_t affinity_mask; + struct rcu_head rcu; /* to avoid race with update stats on free */ + char name[IFNAMSIZ + 9]; } ____cacheline_internodealigned_in_smp; /* lan device */ @@ -441,15 +503,13 @@ static inline char *i40e_fw_version_str(struct i40e_hw *hw) static char buf[32]; snprintf(buf, sizeof(buf), - "f%d.%d a%d.%d n%02d.%02d.%02d e%08x", + "f%d.%d a%d.%d n%02x.%02x e%08x", hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.api_maj_ver, hw->aq.api_min_ver, - (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) - >> I40E_NVM_VERSION_HI_SHIFT, - (hw->nvm.version & I40E_NVM_VERSION_MID_MASK) - >> I40E_NVM_VERSION_MID_SHIFT, - (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) - >> I40E_NVM_VERSION_LO_SHIFT, + (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> + I40E_NVM_VERSION_HI_SHIFT, + (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> + I40E_NVM_VERSION_LO_SHIFT, hw->nvm.eetrack); return buf; @@ -490,11 +550,21 @@ static inline bool i40e_rx_is_programming_status(u64 qw) (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); } +/** + * i40e_get_fd_cnt_all - get the total FD filter space available + * @pf: pointer to the pf struct + **/ +static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) +{ + return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; +} + /* needed by i40e_ethtool.c */ int i40e_up(struct i40e_vsi *vsi); void i40e_down(struct i40e_vsi *vsi); extern const char i40e_driver_name[]; extern const char i40e_driver_version_str[]; +void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); void i40e_update_stats(struct i40e_vsi *vsi); void i40e_update_eth_stats(struct i40e_vsi *vsi); @@ -502,16 +572,13 @@ struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); int i40e_fetch_switch_configuration(struct i40e_pf *pf, bool printconfig); -/* needed by i40e_main.c */ -void i40e_add_fdir_filter(struct i40e_fdir_data fdir_data, - struct i40e_ring *tx_ring); -void i40e_add_remove_filter(struct i40e_fdir_data fdir_data, - struct i40e_ring *tx_ring); -void i40e_update_fdir_filter(struct i40e_fdir_data fdir_data, - struct i40e_ring *tx_ring); -int i40e_program_fdir_filter(struct i40e_fdir_data *fdir_data, +int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, struct i40e_pf *pf, bool add); - +int i40e_add_del_fdir(struct i40e_vsi *vsi, + struct i40e_fdir_filter *input, bool add); +void i40e_fdir_check_and_reenable(struct i40e_pf *pf); +int i40e_get_current_fd_count(struct i40e_pf *pf); +bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); void i40e_set_ethtool_ops(struct net_device *netdev); struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, @@ -524,10 +591,13 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, int i40e_vsi_release(struct i40e_vsi *vsi); struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, struct i40e_vsi *start_vsi); +int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); +int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, u16 downlink_seid, u8 enabled_tc); void i40e_veb_release(struct i40e_veb *veb); +int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); void i40e_vsi_reset_stats(struct i40e_vsi *vsi); @@ -544,7 +614,10 @@ static inline void i40e_dbg_init(void) {} static inline void i40e_dbg_exit(void) {} #endif /* CONFIG_DEBUG_FS*/ void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); +void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); +void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); +int i40e_vsi_open(struct i40e_vsi *vsi); void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); @@ -554,5 +627,21 @@ bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, bool is_vf, bool is_netdev); void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); - +#ifdef CONFIG_I40E_DCB +void i40e_dcbnl_flush_apps(struct i40e_pf *pf, + struct i40e_dcbx_config *new_cfg); +void i40e_dcbnl_set_all(struct i40e_vsi *vsi); +void i40e_dcbnl_setup(struct i40e_vsi *vsi); +bool i40e_dcb_need_reconfig(struct i40e_pf *pf, + struct i40e_dcbx_config *old_cfg, + struct i40e_dcbx_config *new_cfg); +#endif /* CONFIG_I40E_DCB */ +void i40e_ptp_rx_hang(struct i40e_vsi *vsi); +void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); +void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); +void i40e_ptp_set_increment(struct i40e_pf *pf); +int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); +int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); +void i40e_ptp_init(struct i40e_pf *pf); +void i40e_ptp_stop(struct i40e_pf *pf); #endif /* _I40E_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 0c524fa9f81..7a027499fc5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -31,6 +30,18 @@ #include "i40e_adminq.h" #include "i40e_prototype.h" +static void i40e_resume_aq(struct i40e_hw *hw); + +/** + * i40e_is_nvm_update_op - return true if this is an NVM update operation + * @desc: API request descriptor + **/ +static inline bool i40e_is_nvm_update_op(struct i40e_aq_desc *desc) +{ + return (desc->opcode == i40e_aqc_opc_nvm_erase) || + (desc->opcode == i40e_aqc_opc_nvm_update); +} + /** * i40e_adminq_init_regs - Initialize AdminQ registers * @hw: pointer to the hardware structure @@ -43,13 +54,17 @@ static void i40e_adminq_init_regs(struct i40e_hw *hw) if (hw->mac.type == I40E_MAC_VF) { hw->aq.asq.tail = I40E_VF_ATQT1; hw->aq.asq.head = I40E_VF_ATQH1; + hw->aq.asq.len = I40E_VF_ATQLEN1; hw->aq.arq.tail = I40E_VF_ARQT1; hw->aq.arq.head = I40E_VF_ARQH1; + hw->aq.arq.len = I40E_VF_ARQLEN1; } else { hw->aq.asq.tail = I40E_PF_ATQT; hw->aq.asq.head = I40E_PF_ATQH; + hw->aq.asq.len = I40E_PF_ATQLEN; hw->aq.arq.tail = I40E_PF_ARQT; hw->aq.arq.head = I40E_PF_ARQH; + hw->aq.arq.len = I40E_PF_ARQLEN; } } @@ -60,9 +75,8 @@ static void i40e_adminq_init_regs(struct i40e_hw *hw) static i40e_status i40e_alloc_adminq_asq_ring(struct i40e_hw *hw) { i40e_status ret_code; - struct i40e_virt_mem mem; - ret_code = i40e_allocate_dma_mem(hw, &hw->aq.asq_mem, + ret_code = i40e_allocate_dma_mem(hw, &hw->aq.asq.desc_buf, i40e_mem_atq_ring, (hw->aq.num_asq_entries * sizeof(struct i40e_aq_desc)), @@ -70,21 +84,14 @@ static i40e_status i40e_alloc_adminq_asq_ring(struct i40e_hw *hw) if (ret_code) return ret_code; - hw->aq.asq.desc = hw->aq.asq_mem.va; - hw->aq.asq.dma_addr = hw->aq.asq_mem.pa; - - ret_code = i40e_allocate_virt_mem(hw, &mem, + ret_code = i40e_allocate_virt_mem(hw, &hw->aq.asq.cmd_buf, (hw->aq.num_asq_entries * sizeof(struct i40e_asq_cmd_details))); if (ret_code) { - i40e_free_dma_mem(hw, &hw->aq.asq_mem); - hw->aq.asq_mem.va = NULL; - hw->aq.asq_mem.pa = 0; + i40e_free_dma_mem(hw, &hw->aq.asq.desc_buf); return ret_code; } - hw->aq.asq.details = mem.va; - return ret_code; } @@ -96,16 +103,11 @@ static i40e_status i40e_alloc_adminq_arq_ring(struct i40e_hw *hw) { i40e_status ret_code; - ret_code = i40e_allocate_dma_mem(hw, &hw->aq.arq_mem, + ret_code = i40e_allocate_dma_mem(hw, &hw->aq.arq.desc_buf, i40e_mem_arq_ring, (hw->aq.num_arq_entries * sizeof(struct i40e_aq_desc)), I40E_ADMINQ_DESC_ALIGNMENT); - if (ret_code) - return ret_code; - - hw->aq.arq.desc = hw->aq.arq_mem.va; - hw->aq.arq.dma_addr = hw->aq.arq_mem.pa; return ret_code; } @@ -119,14 +121,7 @@ static i40e_status i40e_alloc_adminq_arq_ring(struct i40e_hw *hw) **/ static void i40e_free_adminq_asq(struct i40e_hw *hw) { - struct i40e_virt_mem mem; - - i40e_free_dma_mem(hw, &hw->aq.asq_mem); - hw->aq.asq_mem.va = NULL; - hw->aq.asq_mem.pa = 0; - mem.va = hw->aq.asq.details; - i40e_free_virt_mem(hw, &mem); - hw->aq.asq.details = NULL; + i40e_free_dma_mem(hw, &hw->aq.asq.desc_buf); } /** @@ -138,20 +133,17 @@ static void i40e_free_adminq_asq(struct i40e_hw *hw) **/ static void i40e_free_adminq_arq(struct i40e_hw *hw) { - i40e_free_dma_mem(hw, &hw->aq.arq_mem); - hw->aq.arq_mem.va = NULL; - hw->aq.arq_mem.pa = 0; + i40e_free_dma_mem(hw, &hw->aq.arq.desc_buf); } /** * i40e_alloc_arq_bufs - Allocate pre-posted buffers for the receive queue - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure **/ static i40e_status i40e_alloc_arq_bufs(struct i40e_hw *hw) { i40e_status ret_code; struct i40e_aq_desc *desc; - struct i40e_virt_mem mem; struct i40e_dma_mem *bi; int i; @@ -160,11 +152,11 @@ static i40e_status i40e_alloc_arq_bufs(struct i40e_hw *hw) */ /* buffer_info structures do not need alignment */ - ret_code = i40e_allocate_virt_mem(hw, &mem, (hw->aq.num_arq_entries * - sizeof(struct i40e_dma_mem))); + ret_code = i40e_allocate_virt_mem(hw, &hw->aq.arq.dma_head, + (hw->aq.num_arq_entries * sizeof(struct i40e_dma_mem))); if (ret_code) goto alloc_arq_bufs; - hw->aq.arq.r.arq_bi = (struct i40e_dma_mem *)mem.va; + hw->aq.arq.r.arq_bi = (struct i40e_dma_mem *)hw->aq.arq.dma_head.va; /* allocate the mapped buffers */ for (i = 0; i < hw->aq.num_arq_entries; i++) { @@ -206,29 +198,27 @@ unwind_alloc_arq_bufs: i--; for (; i >= 0; i--) i40e_free_dma_mem(hw, &hw->aq.arq.r.arq_bi[i]); - mem.va = hw->aq.arq.r.arq_bi; - i40e_free_virt_mem(hw, &mem); + i40e_free_virt_mem(hw, &hw->aq.arq.dma_head); return ret_code; } /** * i40e_alloc_asq_bufs - Allocate empty buffer structs for the send queue - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure **/ static i40e_status i40e_alloc_asq_bufs(struct i40e_hw *hw) { i40e_status ret_code; - struct i40e_virt_mem mem; struct i40e_dma_mem *bi; int i; /* No mapped memory needed yet, just the buffer info structures */ - ret_code = i40e_allocate_virt_mem(hw, &mem, (hw->aq.num_asq_entries * - sizeof(struct i40e_dma_mem))); + ret_code = i40e_allocate_virt_mem(hw, &hw->aq.asq.dma_head, + (hw->aq.num_asq_entries * sizeof(struct i40e_dma_mem))); if (ret_code) goto alloc_asq_bufs; - hw->aq.asq.r.asq_bi = (struct i40e_dma_mem *)mem.va; + hw->aq.asq.r.asq_bi = (struct i40e_dma_mem *)hw->aq.asq.dma_head.va; /* allocate the mapped buffers */ for (i = 0; i < hw->aq.num_asq_entries; i++) { @@ -248,35 +238,36 @@ unwind_alloc_asq_bufs: i--; for (; i >= 0; i--) i40e_free_dma_mem(hw, &hw->aq.asq.r.asq_bi[i]); - mem.va = hw->aq.asq.r.asq_bi; - i40e_free_virt_mem(hw, &mem); + i40e_free_virt_mem(hw, &hw->aq.asq.dma_head); return ret_code; } /** * i40e_free_arq_bufs - Free receive queue buffer info elements - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure **/ static void i40e_free_arq_bufs(struct i40e_hw *hw) { - struct i40e_virt_mem mem; int i; + /* free descriptors */ for (i = 0; i < hw->aq.num_arq_entries; i++) i40e_free_dma_mem(hw, &hw->aq.arq.r.arq_bi[i]); - mem.va = hw->aq.arq.r.arq_bi; - i40e_free_virt_mem(hw, &mem); + /* free the descriptor memory */ + i40e_free_dma_mem(hw, &hw->aq.arq.desc_buf); + + /* free the dma header */ + i40e_free_virt_mem(hw, &hw->aq.arq.dma_head); } /** * i40e_free_asq_bufs - Free send queue buffer info elements - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure **/ static void i40e_free_asq_bufs(struct i40e_hw *hw) { - struct i40e_virt_mem mem; int i; /* only unmap if the address is non-NULL */ @@ -284,63 +275,98 @@ static void i40e_free_asq_bufs(struct i40e_hw *hw) if (hw->aq.asq.r.asq_bi[i].pa) i40e_free_dma_mem(hw, &hw->aq.asq.r.asq_bi[i]); - /* now free the buffer info list */ - mem.va = hw->aq.asq.r.asq_bi; - i40e_free_virt_mem(hw, &mem); + /* free the buffer info list */ + i40e_free_virt_mem(hw, &hw->aq.asq.cmd_buf); + + /* free the descriptor memory */ + i40e_free_dma_mem(hw, &hw->aq.asq.desc_buf); + + /* free the dma header */ + i40e_free_virt_mem(hw, &hw->aq.asq.dma_head); } /** * i40e_config_asq_regs - configure ASQ registers - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure * * Configure base address and length registers for the transmit queue **/ -static void i40e_config_asq_regs(struct i40e_hw *hw) +static i40e_status i40e_config_asq_regs(struct i40e_hw *hw) { + i40e_status ret_code = 0; + u32 reg = 0; + if (hw->mac.type == I40E_MAC_VF) { /* configure the transmit queue */ - wr32(hw, I40E_VF_ATQBAH1, upper_32_bits(hw->aq.asq.dma_addr)); - wr32(hw, I40E_VF_ATQBAL1, lower_32_bits(hw->aq.asq.dma_addr)); + wr32(hw, I40E_VF_ATQBAH1, + upper_32_bits(hw->aq.asq.desc_buf.pa)); + wr32(hw, I40E_VF_ATQBAL1, + lower_32_bits(hw->aq.asq.desc_buf.pa)); wr32(hw, I40E_VF_ATQLEN1, (hw->aq.num_asq_entries | I40E_VF_ATQLEN1_ATQENABLE_MASK)); + reg = rd32(hw, I40E_VF_ATQBAL1); } else { /* configure the transmit queue */ - wr32(hw, I40E_PF_ATQBAH, upper_32_bits(hw->aq.asq.dma_addr)); - wr32(hw, I40E_PF_ATQBAL, lower_32_bits(hw->aq.asq.dma_addr)); + wr32(hw, I40E_PF_ATQBAH, + upper_32_bits(hw->aq.asq.desc_buf.pa)); + wr32(hw, I40E_PF_ATQBAL, + lower_32_bits(hw->aq.asq.desc_buf.pa)); wr32(hw, I40E_PF_ATQLEN, (hw->aq.num_asq_entries | I40E_PF_ATQLEN_ATQENABLE_MASK)); + reg = rd32(hw, I40E_PF_ATQBAL); } + + /* Check one register to verify that config was applied */ + if (reg != lower_32_bits(hw->aq.asq.desc_buf.pa)) + ret_code = I40E_ERR_ADMIN_QUEUE_ERROR; + + return ret_code; } /** * i40e_config_arq_regs - ARQ register configuration - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure * * Configure base address and length registers for the receive (event queue) **/ -static void i40e_config_arq_regs(struct i40e_hw *hw) +static i40e_status i40e_config_arq_regs(struct i40e_hw *hw) { + i40e_status ret_code = 0; + u32 reg = 0; + if (hw->mac.type == I40E_MAC_VF) { /* configure the receive queue */ - wr32(hw, I40E_VF_ARQBAH1, upper_32_bits(hw->aq.arq.dma_addr)); - wr32(hw, I40E_VF_ARQBAL1, lower_32_bits(hw->aq.arq.dma_addr)); + wr32(hw, I40E_VF_ARQBAH1, + upper_32_bits(hw->aq.arq.desc_buf.pa)); + wr32(hw, I40E_VF_ARQBAL1, + lower_32_bits(hw->aq.arq.desc_buf.pa)); wr32(hw, I40E_VF_ARQLEN1, (hw->aq.num_arq_entries | I40E_VF_ARQLEN1_ARQENABLE_MASK)); + reg = rd32(hw, I40E_VF_ARQBAL1); } else { /* configure the receive queue */ - wr32(hw, I40E_PF_ARQBAH, upper_32_bits(hw->aq.arq.dma_addr)); - wr32(hw, I40E_PF_ARQBAL, lower_32_bits(hw->aq.arq.dma_addr)); + wr32(hw, I40E_PF_ARQBAH, + upper_32_bits(hw->aq.arq.desc_buf.pa)); + wr32(hw, I40E_PF_ARQBAL, + lower_32_bits(hw->aq.arq.desc_buf.pa)); wr32(hw, I40E_PF_ARQLEN, (hw->aq.num_arq_entries | I40E_PF_ARQLEN_ARQENABLE_MASK)); + reg = rd32(hw, I40E_PF_ARQBAL); } /* Update tail in the HW to post pre-allocated buffers */ wr32(hw, hw->aq.arq.tail, hw->aq.num_arq_entries - 1); + + /* Check one register to verify that config was applied */ + if (reg != lower_32_bits(hw->aq.arq.desc_buf.pa)) + ret_code = I40E_ERR_ADMIN_QUEUE_ERROR; + + return ret_code; } /** * i40e_init_asq - main initialization routine for ASQ - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure * * This is the main initialization routine for the Admin Send Queue * Prior to calling this function, drivers *MUST* set the following fields @@ -383,7 +409,9 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw) goto init_adminq_free_rings; /* initialize base registers */ - i40e_config_asq_regs(hw); + ret_code = i40e_config_asq_regs(hw); + if (ret_code) + goto init_adminq_free_rings; /* success! */ goto init_adminq_exit; @@ -397,7 +425,7 @@ init_adminq_exit: /** * i40e_init_arq - initialize ARQ - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure * * The main initialization routine for the Admin Receive (Event) Queue. * Prior to calling this function, drivers *MUST* set the following fields @@ -440,7 +468,9 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw) goto init_adminq_free_rings; /* initialize base registers */ - i40e_config_arq_regs(hw); + ret_code = i40e_config_arq_regs(hw); + if (ret_code) + goto init_adminq_free_rings; /* success! */ goto init_adminq_exit; @@ -454,7 +484,7 @@ init_adminq_exit: /** * i40e_shutdown_asq - shutdown the ASQ - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure * * The main shutdown routine for the Admin Send Queue **/ @@ -466,10 +496,9 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw) return I40E_ERR_NOT_READY; /* Stop firmware AdminQ processing */ - if (hw->mac.type == I40E_MAC_VF) - wr32(hw, I40E_VF_ATQLEN1, 0); - else - wr32(hw, I40E_PF_ATQLEN, 0); + wr32(hw, hw->aq.asq.head, 0); + wr32(hw, hw->aq.asq.tail, 0); + wr32(hw, hw->aq.asq.len, 0); /* make sure lock is available */ mutex_lock(&hw->aq.asq_mutex); @@ -478,8 +507,6 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw) /* free ring buffers */ i40e_free_asq_bufs(hw); - /* free the ring descriptors */ - i40e_free_adminq_asq(hw); mutex_unlock(&hw->aq.asq_mutex); @@ -488,7 +515,7 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw) /** * i40e_shutdown_arq - shutdown ARQ - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure * * The main shutdown routine for the Admin Receive Queue **/ @@ -500,10 +527,9 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) return I40E_ERR_NOT_READY; /* Stop firmware AdminQ processing */ - if (hw->mac.type == I40E_MAC_VF) - wr32(hw, I40E_VF_ARQLEN1, 0); - else - wr32(hw, I40E_PF_ARQLEN, 0); + wr32(hw, hw->aq.arq.head, 0); + wr32(hw, hw->aq.arq.tail, 0); + wr32(hw, hw->aq.arq.len, 0); /* make sure lock is available */ mutex_lock(&hw->aq.arq_mutex); @@ -512,8 +538,6 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) /* free ring buffers */ i40e_free_arq_bufs(hw); - /* free the ring descriptors */ - i40e_free_adminq_arq(hw); mutex_unlock(&hw->aq.arq_mutex); @@ -522,7 +546,7 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) /** * i40e_init_adminq - main initialization routine for Admin Queue - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure * * Prior to calling this function, drivers *MUST* set the following fields * in the hw->aq structure: @@ -533,8 +557,9 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) **/ i40e_status i40e_init_adminq(struct i40e_hw *hw) { - u16 eetrack_lo, eetrack_hi; i40e_status ret_code; + u16 eetrack_lo, eetrack_hi; + int retry = 0; /* verify input for valid configuration */ if ((hw->aq.num_arq_entries == 0) || @@ -562,23 +587,41 @@ i40e_status i40e_init_adminq(struct i40e_hw *hw) if (ret_code) goto init_adminq_free_asq; - ret_code = i40e_aq_get_firmware_version(hw, - &hw->aq.fw_maj_ver, &hw->aq.fw_min_ver, - &hw->aq.api_maj_ver, &hw->aq.api_min_ver, - NULL); - if (ret_code) + /* There are some cases where the firmware may not be quite ready + * for AdminQ operations, so we retry the AdminQ setup a few times + * if we see timeouts in this first AQ call. + */ + do { + ret_code = i40e_aq_get_firmware_version(hw, + &hw->aq.fw_maj_ver, + &hw->aq.fw_min_ver, + &hw->aq.api_maj_ver, + &hw->aq.api_min_ver, + NULL); + if (ret_code != I40E_ERR_ADMIN_QUEUE_TIMEOUT) + break; + retry++; + msleep(100); + i40e_resume_aq(hw); + } while (retry < 10); + if (ret_code != I40E_SUCCESS) goto init_adminq_free_arq; - if (hw->aq.api_maj_ver != I40E_FW_API_VERSION_MAJOR || - hw->aq.api_min_ver != I40E_FW_API_VERSION_MINOR) { - ret_code = I40E_ERR_FIRMWARE_API_VERSION; - goto init_adminq_free_arq; - } + /* get the NVM version info */ i40e_read_nvm_word(hw, I40E_SR_NVM_IMAGE_VERSION, &hw->nvm.version); i40e_read_nvm_word(hw, I40E_SR_NVM_EETRACK_LO, &eetrack_lo); i40e_read_nvm_word(hw, I40E_SR_NVM_EETRACK_HI, &eetrack_hi); hw->nvm.eetrack = (eetrack_hi << 16) | eetrack_lo; + if (hw->aq.api_maj_ver > I40E_FW_API_VERSION_MAJOR) { + ret_code = I40E_ERR_FIRMWARE_API_VERSION; + goto init_adminq_free_arq; + } + + /* pre-emptive resource lock release */ + i40e_aq_release_resource(hw, I40E_NVM_RESOURCE_ID, 0, NULL); + hw->aq.nvm_busy = false; + ret_code = i40e_aq_set_hmc_resource_profile(hw, I40E_HMC_PROFILE_DEFAULT, 0, @@ -600,12 +643,15 @@ init_adminq_exit: /** * i40e_shutdown_adminq - shutdown routine for the Admin Queue - * @hw: pointer to the hardware structure + * @hw: pointer to the hardware structure **/ i40e_status i40e_shutdown_adminq(struct i40e_hw *hw) { i40e_status ret_code = 0; + if (i40e_check_asq_alive(hw)) + i40e_aq_queue_shutdown(hw, true); + i40e_shutdown_asq(hw); i40e_shutdown_arq(hw); @@ -616,7 +662,7 @@ i40e_status i40e_shutdown_adminq(struct i40e_hw *hw) /** * i40e_clean_asq - cleans Admin send queue - * @asq: pointer to the adminq send ring + * @hw: pointer to the hardware structure * * returns the number of free desc **/ @@ -637,9 +683,8 @@ static u16 i40e_clean_asq(struct i40e_hw *hw) desc_cb = *desc; cb_func(hw, &desc_cb); } - memset((void *)desc, 0, sizeof(struct i40e_aq_desc)); - memset((void *)details, 0, - sizeof(struct i40e_asq_cmd_details)); + memset(desc, 0, sizeof(*desc)); + memset(details, 0, sizeof(*details)); ntc++; if (ntc == asq->count) ntc = 0; @@ -659,12 +704,12 @@ static u16 i40e_clean_asq(struct i40e_hw *hw) * Returns true if the firmware has processed all descriptors on the * admin send queue. Returns false if there are still requests pending. **/ -bool i40e_asq_done(struct i40e_hw *hw) +static bool i40e_asq_done(struct i40e_hw *hw) { /* AQ designers suggest use of head for better * timing reliability than DD bit */ - return (rd32(hw, hw->aq.asq.head) == hw->aq.asq.next_to_use); + return rd32(hw, hw->aq.asq.head) == hw->aq.asq.next_to_use; } @@ -674,7 +719,7 @@ bool i40e_asq_done(struct i40e_hw *hw) * @desc: prefilled descriptor describing the command (non DMA mem) * @buff: buffer to use for indirect commands * @buff_size: size of buffer for indirect commands - * @opaque: pointer to info to be used in async cleanup + * @cmd_details: pointer to command details structure * * This is the main send command driver routine for the Admin Queue send * queue. It runs the queue, cleans the queue, etc @@ -699,10 +744,15 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, goto asq_send_command_exit; } + if (i40e_is_nvm_update_op(desc) && hw->aq.nvm_busy) { + i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE, "AQTX: NVM busy.\n"); + status = I40E_ERR_NVM; + goto asq_send_command_exit; + } + details = I40E_ADMINQ_DETAILS(hw->aq.asq, hw->aq.asq.next_to_use); if (cmd_details) { - memcpy(details, cmd_details, - sizeof(struct i40e_asq_cmd_details)); + *details = *cmd_details; /* If the cmd_details are defined copy the cookie. The * cpu_to_le32 is not needed here because the data is ignored @@ -760,7 +810,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, desc_on_ring = I40E_ADMINQ_DESC(hw->aq.asq, hw->aq.asq.next_to_use); /* if the desc is available copy the temp desc to the right place */ - memcpy(desc_on_ring, desc, sizeof(struct i40e_aq_desc)); + *desc_on_ring = *desc; /* if buff is not NULL assume indirect command */ if (buff != NULL) { @@ -807,7 +857,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, /* if ready, copy the desc back to temp */ if (i40e_asq_done(hw)) { - memcpy(desc, desc_on_ring, sizeof(struct i40e_aq_desc)); + *desc = *desc_on_ring; if (buff != NULL) memcpy(buff, dma_buff->va, buff_size); retval = le16_to_cpu(desc->retval); @@ -827,6 +877,9 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, hw->aq.asq_last_status = (enum i40e_admin_queue_err)retval; } + if (i40e_is_nvm_update_op(desc)) + hw->aq.nvm_busy = true; + /* update the error if time out occurred */ if ((!cmd_completed) && (!details->async && !details->postpone)) { @@ -855,7 +908,7 @@ void i40e_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc, /* zero out the desc */ memset((void *)desc, 0, sizeof(struct i40e_aq_desc)); desc->opcode = cpu_to_le16(opcode); - desc->flags = cpu_to_le16(I40E_AQ_FLAG_EI | I40E_AQ_FLAG_SI); + desc->flags = cpu_to_le16(I40E_AQ_FLAG_SI); } /** @@ -913,7 +966,7 @@ i40e_status i40e_clean_arq_element(struct i40e_hw *hw, "AQRX: Event received with error 0x%X.\n", hw->aq.arq_last_status); } else { - memcpy(&e->desc, desc, sizeof(struct i40e_aq_desc)); + e->desc = *desc; datalen = le16_to_cpu(desc->datalen); e->msg_size = min(datalen, e->msg_size); if (e->msg_buf != NULL && (e->msg_size != 0)) @@ -921,11 +974,19 @@ i40e_status i40e_clean_arq_element(struct i40e_hw *hw, e->msg_size); } + if (i40e_is_nvm_update_op(&e->desc)) + hw->aq.nvm_busy = false; + /* Restore the original datalen and buffer address in the desc, * FW updates datalen to indicate the event message * size */ bi = &hw->aq.arq.r.arq_bi[ntc]; + memset((void *)desc, 0, sizeof(struct i40e_aq_desc)); + + desc->flags = cpu_to_le16(I40E_AQ_FLAG_BUF); + if (hw->aq.arq_buf_size > I40E_AQ_LARGE_BUF) + desc->flags |= cpu_to_le16(I40E_AQ_FLAG_LB); desc->datalen = cpu_to_le16((u16)bi->size); desc->params.external.addr_high = cpu_to_le32(upper_32_bits(bi->pa)); desc->params.external.addr_low = cpu_to_le32(lower_32_bits(bi->pa)); @@ -948,36 +1009,16 @@ clean_arq_element_out: return ret_code; } -void i40e_resume_aq(struct i40e_hw *hw) +static void i40e_resume_aq(struct i40e_hw *hw) { - u32 reg = 0; - /* Registers are reset after PF reset */ hw->aq.asq.next_to_use = 0; hw->aq.asq.next_to_clean = 0; i40e_config_asq_regs(hw); - reg = hw->aq.num_asq_entries; - - if (hw->mac.type == I40E_MAC_VF) { - reg |= I40E_VF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_VF_ATQLEN1, reg); - } else { - reg |= I40E_PF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_PF_ATQLEN, reg); - } hw->aq.arq.next_to_use = 0; hw->aq.arq.next_to_clean = 0; i40e_config_arq_regs(hw); - reg = hw->aq.num_arq_entries; - - if (hw->mac.type == I40E_MAC_VF) { - reg |= I40E_VF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_VF_ARQLEN1, reg); - } else { - reg |= I40E_PF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_PF_ARQLEN, reg); - } } diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h index 22e5ed683e4..b1552fbc48a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -32,20 +31,20 @@ #include "i40e_adminq_cmd.h" #define I40E_ADMINQ_DESC(R, i) \ - (&(((struct i40e_aq_desc *)((R).desc))[i])) + (&(((struct i40e_aq_desc *)((R).desc_buf.va))[i])) #define I40E_ADMINQ_DESC_ALIGNMENT 4096 struct i40e_adminq_ring { - void *desc; /* Descriptor ring memory */ - void *details; /* ASQ details */ + struct i40e_virt_mem dma_head; /* space for dma structures */ + struct i40e_dma_mem desc_buf; /* descriptor ring memory */ + struct i40e_virt_mem cmd_buf; /* command buffer memory */ union { struct i40e_dma_mem *asq_bi; struct i40e_dma_mem *arq_bi; } r; - u64 dma_addr; /* Physical address of the ring */ u16 count; /* Number of descriptors */ u16 rx_buf_len; /* Admin Receive Queue buffer length */ @@ -56,6 +55,7 @@ struct i40e_adminq_ring { /* used for queue tracking */ u32 head; u32 tail; + u32 len; }; /* ASQ transaction details */ @@ -69,7 +69,7 @@ struct i40e_asq_cmd_details { }; #define I40E_ADMINQ_DETAILS(R, i) \ - (&(((struct i40e_asq_cmd_details *)((R).details))[i])) + (&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i])) /* ARQ event information */ struct i40e_arq_event_info { @@ -90,13 +90,11 @@ struct i40e_adminq_info { u16 fw_min_ver; /* firmware minor version */ u16 api_maj_ver; /* api major version */ u16 api_min_ver; /* api minor version */ + bool nvm_busy; struct mutex asq_mutex; /* Send queue lock */ struct mutex arq_mutex; /* Receive queue lock */ - struct i40e_dma_mem asq_mem; /* send queue dynamic memory */ - struct i40e_dma_mem arq_mem; /* receive queue dynamic memory */ - /* last status values on send and receive queues */ enum i40e_admin_queue_err asq_last_status; enum i40e_admin_queue_err arq_last_status; diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h index e61ebdd5a5f..15f289f2917 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -35,7 +34,7 @@ */ #define I40E_FW_API_VERSION_MAJOR 0x0001 -#define I40E_FW_API_VERSION_MINOR 0x0000 +#define I40E_FW_API_VERSION_MINOR 0x0002 struct i40e_aq_desc { __le16 flags; @@ -124,6 +123,7 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_get_version = 0x0001, i40e_aqc_opc_driver_version = 0x0002, i40e_aqc_opc_queue_shutdown = 0x0003, + i40e_aqc_opc_set_pf_context = 0x0004, /* resource ownership */ i40e_aqc_opc_request_resource = 0x0008, @@ -137,10 +137,13 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_set_ns_proxy_entry = 0x0105, /* LAA */ - i40e_aqc_opc_mng_laa = 0x0106, + i40e_aqc_opc_mng_laa = 0x0106, /* AQ obsolete */ i40e_aqc_opc_mac_address_read = 0x0107, i40e_aqc_opc_mac_address_write = 0x0108, + /* PXE */ + i40e_aqc_opc_clear_pxe_mode = 0x0110, + /* internal switch commands */ i40e_aqc_opc_get_switch_config = 0x0200, i40e_aqc_opc_add_statistics = 0x0201, @@ -180,9 +183,6 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_add_mirror_rule = 0x0260, i40e_aqc_opc_delete_mirror_rule = 0x0261, - i40e_aqc_opc_set_storm_control_config = 0x0280, - i40e_aqc_opc_get_storm_control_config = 0x0281, - /* DCB commands */ i40e_aqc_opc_dcb_ignore_pfc = 0x0301, i40e_aqc_opc_dcb_updated = 0x0302, @@ -205,6 +205,7 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_query_switching_comp_bw_config = 0x041A, i40e_aqc_opc_suspend_port_tx = 0x041B, i40e_aqc_opc_resume_port_tx = 0x041C, + i40e_aqc_opc_configure_partition_bw = 0x041D, /* hmc */ i40e_aqc_opc_query_hmc_resource_profile = 0x0500, @@ -222,13 +223,15 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_get_partner_advt = 0x0616, i40e_aqc_opc_set_lb_modes = 0x0618, i40e_aqc_opc_get_phy_wol_caps = 0x0621, - i40e_aqc_opc_set_phy_reset = 0x0622, + i40e_aqc_opc_set_phy_debug = 0x0622, i40e_aqc_opc_upload_ext_phy_fm = 0x0625, /* NVM commands */ - i40e_aqc_opc_nvm_read = 0x0701, - i40e_aqc_opc_nvm_erase = 0x0702, - i40e_aqc_opc_nvm_update = 0x0703, + i40e_aqc_opc_nvm_read = 0x0701, + i40e_aqc_opc_nvm_erase = 0x0702, + i40e_aqc_opc_nvm_update = 0x0703, + i40e_aqc_opc_nvm_config_read = 0x0704, + i40e_aqc_opc_nvm_config_write = 0x0705, /* virtualization commands */ i40e_aqc_opc_send_msg_to_pf = 0x0801, @@ -270,8 +273,6 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_debug_set_mode = 0xFF01, i40e_aqc_opc_debug_read_reg = 0xFF03, i40e_aqc_opc_debug_write_reg = 0xFF04, - i40e_aqc_opc_debug_read_reg_sg = 0xFF05, - i40e_aqc_opc_debug_write_reg_sg = 0xFF06, i40e_aqc_opc_debug_modify_reg = 0xFF07, i40e_aqc_opc_debug_dump_internals = 0xFF08, i40e_aqc_opc_debug_modify_internals = 0xFF09, @@ -317,13 +318,15 @@ struct i40e_aqc_get_version { I40E_CHECK_CMD_LENGTH(i40e_aqc_get_version); -/* Send driver version (direct 0x0002) */ +/* Send driver version (indirect 0x0002) */ struct i40e_aqc_driver_version { u8 driver_major_ver; u8 driver_minor_ver; u8 driver_build_ver; u8 driver_subbuild_ver; - u8 reserved[12]; + u8 reserved[4]; + __le32 address_high; + __le32 address_low; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_driver_version); @@ -337,6 +340,14 @@ struct i40e_aqc_queue_shutdown { I40E_CHECK_CMD_LENGTH(i40e_aqc_queue_shutdown); +/* Set PF context (0x0004, direct) */ +struct i40e_aqc_set_pf_context { + u8 pf_id; + u8 reserved[15]; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_set_pf_context); + /* Request resource ownership (direct 0x0008) * Release resource ownership (direct 0x0009) */ @@ -479,7 +490,7 @@ struct i40e_aqc_mng_laa { u8 reserved2[6]; }; -/* Manage MAC Address Read Command (0x0107) */ +/* Manage MAC Address Read Command (indirect 0x0107) */ struct i40e_aqc_mac_address_read { __le16 command_flags; #define I40E_AQC_LAN_ADDR_VALID 0x10 @@ -517,6 +528,16 @@ struct i40e_aqc_mac_address_write { I40E_CHECK_CMD_LENGTH(i40e_aqc_mac_address_write); +/* PXE commands (0x011x) */ + +/* Clear PXE Command and response (direct 0x0110) */ +struct i40e_aqc_clear_pxe { + u8 rx_cnt; + u8 reserved[15]; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_clear_pxe); + /* Switch configuration commands (0x02xx) */ /* Used by many indirect commands that only pass an seid and a buffer in the @@ -639,13 +660,15 @@ struct i40e_aqc_switch_resource_alloc_element_resp { u8 reserved2[6]; }; -/* Add VSI (indirect 0x210) +/* Add VSI (indirect 0x0210) * this indirect command uses struct i40e_aqc_vsi_properties_data * as the indirect buffer (128 bytes) * - * Update VSI (indirect 0x211) Get VSI (indirect 0x0212) - * use the generic i40e_aqc_switch_seid descriptor format - * use the same completion and data structure as Add VSI + * Update VSI (indirect 0x211) + * uses the same data structure as Add VSI + * + * Get VSI (indirect 0x0212) + * uses the same completion and data structure as Add VSI */ struct i40e_aqc_add_get_update_vsi { __le16 uplink_seid; @@ -664,7 +687,6 @@ struct i40e_aqc_add_get_update_vsi { #define I40E_AQ_VSI_TYPE_PF 0x2 #define I40E_AQ_VSI_TYPE_EMP_MNG 0x3 #define I40E_AQ_VSI_FLAG_CASCADED_PV 0x4 -#define I40E_AQ_VSI_FLAG_CLOUD_VSI 0x8 __le32 addr_high; __le32 addr_low; }; @@ -1026,7 +1048,9 @@ struct i40e_aqc_set_vsi_promiscuous_modes { #define I40E_AQC_SET_VSI_PROMISC_VLAN 0x10 __le16 seid; #define I40E_AQC_VSI_PROM_CMD_SEID_MASK 0x3FF - u8 reserved[10]; + __le16 vlan_tag; +#define I40E_AQC_SET_VSI_VLAN_VALID 0x8000 + u8 reserved[8]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_set_vsi_promiscuous_modes); @@ -1179,33 +1203,46 @@ struct i40e_aqc_add_remove_cloud_filters_element_data { } v4; struct { u8 data[16]; - } v6; - } ipaddr; + } v6; + } ipaddr; __le16 flags; #define I40E_AQC_ADD_CLOUD_FILTER_SHIFT 0 #define I40E_AQC_ADD_CLOUD_FILTER_MASK (0x3F << \ I40E_AQC_ADD_CLOUD_FILTER_SHIFT) +/* 0x0000 reserved */ #define I40E_AQC_ADD_CLOUD_FILTER_OIP 0x0001 -#define I40E_AQC_ADD_CLOUD_FILTER_OIP_GRE 0x0002 +/* 0x0002 reserved */ #define I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN 0x0003 -#define I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN_GRE 0x0004 +#define I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN_TEN_ID 0x0004 +/* 0x0005 reserved */ #define I40E_AQC_ADD_CLOUD_FILTER_IMAC_TEN_ID 0x0006 -#define I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN_VNL 0x0007 +/* 0x0007 reserved */ /* 0x0008 reserved */ #define I40E_AQC_ADD_CLOUD_FILTER_OMAC 0x0009 #define I40E_AQC_ADD_CLOUD_FILTER_IMAC 0x000A +#define I40E_AQC_ADD_CLOUD_FILTER_OMAC_TEN_ID_IMAC 0x000B +#define I40E_AQC_ADD_CLOUD_FILTER_IIP 0x000C + #define I40E_AQC_ADD_CLOUD_FLAGS_TO_QUEUE 0x0080 #define I40E_AQC_ADD_CLOUD_VNK_SHIFT 6 #define I40E_AQC_ADD_CLOUD_VNK_MASK 0x00C0 #define I40E_AQC_ADD_CLOUD_FLAGS_IPV4 0 #define I40E_AQC_ADD_CLOUD_FLAGS_IPV6 0x0100 - __le32 key_low; - __le32 key_high; + +#define I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT 9 +#define I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK 0x1E00 +#define I40E_AQC_ADD_CLOUD_TNL_TYPE_XVLAN 0 +#define I40E_AQC_ADD_CLOUD_TNL_TYPE_NVGRE_OMAC 1 +#define I40E_AQC_ADD_CLOUD_TNL_TYPE_NGE 2 +#define I40E_AQC_ADD_CLOUD_TNL_TYPE_IP 3 + + __le32 tenant_id; + u8 reserved[4]; __le16 queue_number; #define I40E_AQC_ADD_CLOUD_QUEUE_SHIFT 0 #define I40E_AQC_ADD_CLOUD_QUEUE_MASK (0x3F << \ I40E_AQC_ADD_CLOUD_QUEUE_SHIFT) - u8 reserved[14]; + u8 reserved2[14]; /* response section */ u8 allocation_result; #define I40E_AQC_ADD_CLOUD_FILTER_SUCCESS 0x0 @@ -1259,27 +1296,6 @@ struct i40e_aqc_add_delete_mirror_rule_completion { I40E_CHECK_CMD_LENGTH(i40e_aqc_add_delete_mirror_rule_completion); -/* Set Storm Control Configuration (direct 0x0280) - * Get Storm Control Configuration (direct 0x0281) - * the command and response use the same descriptor structure - */ -struct i40e_aqc_set_get_storm_control_config { - __le32 broadcast_threshold; - __le32 multicast_threshold; - __le32 control_flags; -#define I40E_AQC_STORM_CONTROL_MDIPW 0x01 -#define I40E_AQC_STORM_CONTROL_MDICW 0x02 -#define I40E_AQC_STORM_CONTROL_BDIPW 0x04 -#define I40E_AQC_STORM_CONTROL_BDICW 0x08 -#define I40E_AQC_STORM_CONTROL_BIDU 0x10 -#define I40E_AQC_STORM_CONTROL_INTERVAL_SHIFT 8 -#define I40E_AQC_STORM_CONTROL_INTERVAL_MASK (0x3FF << \ - I40E_AQC_STORM_CONTROL_INTERVAL_SHIFT) - u8 reserved[4]; -}; - -I40E_CHECK_CMD_LENGTH(i40e_aqc_set_get_storm_control_config); - /* DCB 0x03xx*/ /* PFC Ignore (direct 0x0301) @@ -1397,11 +1413,12 @@ I40E_CHECK_CMD_LENGTH(i40e_aqc_configure_switching_comp_bw_limit); struct i40e_aqc_configure_switching_comp_ets_data { u8 reserved[4]; u8 tc_valid_bits; - u8 reserved1; + u8 seepage; +#define I40E_AQ_ETS_SEEPAGE_EN_MASK 0x1 u8 tc_strict_priority_flags; - u8 reserved2[17]; + u8 reserved1[17]; u8 tc_bw_share_credits[8]; - u8 reserved3[96]; + u8 reserved2[96]; }; /* Configure Switching Component Bandwidth Limits per Tc (indirect 0x0416) */ @@ -1469,6 +1486,15 @@ struct i40e_aqc_query_switching_comp_bw_config_resp { * (direct 0x041B and 0x041C) uses the generic SEID struct */ +/* Configure partition BW + * (indirect 0x041D) + */ +struct i40e_aqc_configure_partition_bw_data { + __le16 pf_valid_bits; + u8 min_bw[16]; /* guaranteed bandwidth */ + u8 max_bw[16]; /* bandwidth limit */ +}; + /* Get and set the active HMC resource profile and status. * (direct 0x0500) and (direct 0x0501) */ @@ -1509,6 +1535,8 @@ enum i40e_aq_phy_type { I40E_PHY_TYPE_XLPPI = 0x9, I40E_PHY_TYPE_40GBASE_CR4_CU = 0xA, I40E_PHY_TYPE_10GBASE_CR1_CU = 0xB, + I40E_PHY_TYPE_10GBASE_AOC = 0xC, + I40E_PHY_TYPE_40GBASE_AOC = 0xD, I40E_PHY_TYPE_100BASE_TX = 0x11, I40E_PHY_TYPE_1000BASE_T = 0x12, I40E_PHY_TYPE_10GBASE_T = 0x13, @@ -1519,7 +1547,10 @@ enum i40e_aq_phy_type { I40E_PHY_TYPE_40GBASE_CR4 = 0x18, I40E_PHY_TYPE_40GBASE_SR4 = 0x19, I40E_PHY_TYPE_40GBASE_LR4 = 0x1A, - I40E_PHY_TYPE_20GBASE_KR2 = 0x1B, + I40E_PHY_TYPE_1000BASE_SX = 0x1B, + I40E_PHY_TYPE_1000BASE_LX = 0x1C, + I40E_PHY_TYPE_1000BASE_T_OPTICAL = 0x1D, + I40E_PHY_TYPE_20GBASE_KR2 = 0x1E, I40E_PHY_TYPE_MAX }; @@ -1548,16 +1579,13 @@ struct i40e_aqc_module_desc { struct i40e_aq_get_phy_abilities_resp { __le32 phy_type; /* bitmap using the above enum for offsets */ - u8 link_speed; /* bitmap using the above enum */ + u8 link_speed; /* bitmap using the above enum bit patterns */ u8 abilities; #define I40E_AQ_PHY_FLAG_PAUSE_TX 0x01 #define I40E_AQ_PHY_FLAG_PAUSE_RX 0x02 #define I40E_AQ_PHY_FLAG_LOW_POWER 0x04 -#define I40E_AQ_PHY_FLAG_AN_SHIFT 3 -#define I40E_AQ_PHY_FLAG_AN_MASK (0x3 << I40E_AQ_PHY_FLAG_AN_SHIFT) -#define I40E_AQ_PHY_FLAG_AN_OFF 0x00 /* link forced on */ -#define I40E_AQ_PHY_FLAG_AN_OFF_LINK_DOWN 0x01 -#define I40E_AQ_PHY_FLAG_AN_ON 0x02 +#define I40E_AQ_PHY_LINK_ENABLED 0x08 +#define I40E_AQ_PHY_AN_ENABLED 0x10 #define I40E_AQ_PHY_FLAG_MODULE_QUAL 0x20 __le16 eee_capability; #define I40E_AQ_EEE_100BASE_TX 0x0002 @@ -1582,6 +1610,10 @@ struct i40e_aq_set_phy_config { /* same bits as above in all */ __le32 phy_type; u8 link_speed; u8 abilities; +/* bits 0-2 use the values from get_phy_abilities_resp */ +#define I40E_AQ_PHY_ENABLE_LINK 0x08 +#define I40E_AQ_PHY_ENABLE_AN 0x10 +#define I40E_AQ_PHY_ENABLE_ATOMIC_LINK 0x20 __le16 eee_capability; __le32 eeer; u8 low_power_ctrl; @@ -1662,6 +1694,7 @@ struct i40e_aqc_get_link_status { #define I40E_AQ_LINK_TX_ACTIVE 0x00 #define I40E_AQ_LINK_TX_DRAINED 0x01 #define I40E_AQ_LINK_TX_FLUSHED 0x03 +#define I40E_AQ_LINK_FORCED_40G 0x10 u8 loopback; /* use defines from i40e_aqc_set_lb_mode */ __le16 max_frame_size; u8 config; @@ -1713,14 +1746,21 @@ struct i40e_aqc_set_lb_mode { I40E_CHECK_CMD_LENGTH(i40e_aqc_set_lb_mode); -/* Set PHY Reset command (0x0622) */ -struct i40e_aqc_set_phy_reset { - u8 reset_flags; -#define I40E_AQ_PHY_RESET_REQUEST 0x02 +/* Set PHY Debug command (0x0622) */ +struct i40e_aqc_set_phy_debug { + u8 command_flags; +#define I40E_AQ_PHY_DEBUG_RESET_INTERNAL 0x02 +#define I40E_AQ_PHY_DEBUG_RESET_EXTERNAL_SHIFT 2 +#define I40E_AQ_PHY_DEBUG_RESET_EXTERNAL_MASK (0x03 << \ + I40E_AQ_PHY_DEBUG_RESET_EXTERNAL_SHIFT) +#define I40E_AQ_PHY_DEBUG_RESET_EXTERNAL_NONE 0x00 +#define I40E_AQ_PHY_DEBUG_RESET_EXTERNAL_HARD 0x01 +#define I40E_AQ_PHY_DEBUG_RESET_EXTERNAL_SOFT 0x02 +#define I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW 0x10 u8 reserved[15]; }; -I40E_CHECK_CMD_LENGTH(i40e_aqc_set_phy_reset); +I40E_CHECK_CMD_LENGTH(i40e_aqc_set_phy_debug); enum i40e_aq_phy_reg_type { I40E_AQC_PHY_REG_INTERNAL = 0x1, @@ -1745,6 +1785,47 @@ struct i40e_aqc_nvm_update { I40E_CHECK_CMD_LENGTH(i40e_aqc_nvm_update); +/* NVM Config Read (indirect 0x0704) */ +struct i40e_aqc_nvm_config_read { + __le16 cmd_flags; +#define ANVM_SINGLE_OR_MULTIPLE_FEATURES_MASK 1 +#define ANVM_READ_SINGLE_FEATURE 0 +#define ANVM_READ_MULTIPLE_FEATURES 1 + __le16 element_count; + __le16 element_id; /* Feature/field ID */ + u8 reserved[2]; + __le32 address_high; + __le32 address_low; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_nvm_config_read); + +/* NVM Config Write (indirect 0x0705) */ +struct i40e_aqc_nvm_config_write { + __le16 cmd_flags; + __le16 element_count; + u8 reserved[4]; + __le32 address_high; + __le32 address_low; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_nvm_config_write); + +struct i40e_aqc_nvm_config_data_feature { + __le16 feature_id; + __le16 instance_id; + __le16 feature_options; + __le16 feature_selection; +}; + +struct i40e_aqc_nvm_config_data_immediate_field { +#define ANVM_FEATURE_OR_IMMEDIATE_MASK 0x2 + __le16 field_id; + __le16 instance_id; + __le16 field_options; + __le16 field_value; +}; + /* Send to PF command (indirect 0x0801) id is only used by PF * Send to VF command (indirect 0x0802) id is only used by PF * Send to Peer PF command (indirect 0x0803) @@ -1914,22 +1995,33 @@ I40E_CHECK_CMD_LENGTH(i40e_aqc_lldp_start); /* Add Udp Tunnel command and completion (direct 0x0B00) */ struct i40e_aqc_add_udp_tunnel { __le16 udp_port; - u8 header_len; /* in DWords, 1 to 15 */ - u8 protocol_index; -#define I40E_AQC_TUNNEL_TYPE_MAC 0x0 -#define I40E_AQC_TUNNEL_TYPE_UDP 0x1 - u8 reserved[12]; + u8 reserved0[3]; + u8 protocol_type; +#define I40E_AQC_TUNNEL_TYPE_VXLAN 0x00 +#define I40E_AQC_TUNNEL_TYPE_NGE 0x01 +#define I40E_AQC_TUNNEL_TYPE_TEREDO 0x10 + u8 reserved1[10]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_add_udp_tunnel); +struct i40e_aqc_add_udp_tunnel_completion { + __le16 udp_port; + u8 filter_entry_index; + u8 multiple_pfs; +#define I40E_AQC_SINGLE_PF 0x0 +#define I40E_AQC_MULTIPLE_PFS 0x1 + u8 total_filters; + u8 reserved[11]; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_add_udp_tunnel_completion); + /* remove UDP Tunnel command (0x0B01) */ struct i40e_aqc_remove_udp_tunnel { u8 reserved[2]; u8 index; /* 0 to 15 */ - u8 pf_filters; - u8 total_filters; - u8 reserved2[11]; + u8 reserved2[13]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_remove_udp_tunnel); @@ -1937,28 +2029,32 @@ I40E_CHECK_CMD_LENGTH(i40e_aqc_remove_udp_tunnel); struct i40e_aqc_del_udp_tunnel_completion { __le16 udp_port; u8 index; /* 0 to 15 */ - u8 multiple_entries; - u8 tunnels_used; - u8 reserved; - u8 tunnels_free; - u8 reserved1[9]; + u8 multiple_pfs; + u8 total_filters_used; + u8 reserved1[11]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_del_udp_tunnel_completion); /* tunnel key structure 0x0B10 */ + struct i40e_aqc_tunnel_key_structure { - __le16 key1_off; - __le16 key1_len; - __le16 key2_off; - __le16 key2_len; - __le16 flags; + u8 key1_off; + u8 key2_off; + u8 key1_len; /* 0 to 15 */ + u8 key2_len; /* 0 to 15 */ + u8 flags; #define I40E_AQC_TUNNEL_KEY_STRUCT_OVERRIDE 0x01 /* response flags */ #define I40E_AQC_TUNNEL_KEY_STRUCT_SUCCESS 0x01 #define I40E_AQC_TUNNEL_KEY_STRUCT_MODIFIED 0x02 #define I40E_AQC_TUNNEL_KEY_STRUCT_OVERRIDDEN 0x03 - u8 resreved[6]; + u8 network_key_index; +#define I40E_AQC_NETWORK_KEY_INDEX_VXLAN 0x0 +#define I40E_AQC_NETWORK_KEY_INDEX_NGE 0x1 +#define I40E_AQC_NETWORK_KEY_INDEX_FLEX_MAC_IN_UDP 0x2 +#define I40E_AQC_NETWORK_KEY_INDEX_GRE 0x3 + u8 reserved[10]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_tunnel_key_structure); @@ -2052,6 +2148,7 @@ I40E_CHECK_CMD_LENGTH(i40e_aqc_debug_modify_reg); #define I40E_AQ_CLUSTER_ID_DCB 8 #define I40E_AQ_CLUSTER_ID_EMP_MEM 9 #define I40E_AQ_CLUSTER_ID_PKT_BUF 10 +#define I40E_AQ_CLUSTER_ID_ALTRAM 11 struct i40e_aqc_debug_dump_internals { u8 cluster_id; diff --git a/drivers/net/ethernet/intel/i40e/i40e_alloc.h b/drivers/net/ethernet/intel/i40e/i40e_alloc.h index 3b1cc214f9d..926811ad44a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_alloc.h +++ b/drivers/net/ethernet/intel/i40e/i40e_alloc.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index c21df7bc3b1..6e65f19dd6e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -43,20 +42,18 @@ static i40e_status i40e_set_mac_type(struct i40e_hw *hw) if (hw->vendor_id == PCI_VENDOR_ID_INTEL) { switch (hw->device_id) { - case I40E_SFP_XL710_DEVICE_ID: - case I40E_SFP_X710_DEVICE_ID: - case I40E_QEMU_DEVICE_ID: - case I40E_KX_A_DEVICE_ID: - case I40E_KX_B_DEVICE_ID: - case I40E_KX_C_DEVICE_ID: - case I40E_KX_D_DEVICE_ID: - case I40E_QSFP_A_DEVICE_ID: - case I40E_QSFP_B_DEVICE_ID: - case I40E_QSFP_C_DEVICE_ID: + case I40E_DEV_ID_SFP_XL710: + case I40E_DEV_ID_QEMU: + case I40E_DEV_ID_KX_A: + case I40E_DEV_ID_KX_B: + case I40E_DEV_ID_KX_C: + case I40E_DEV_ID_QSFP_A: + case I40E_DEV_ID_QSFP_B: + case I40E_DEV_ID_QSFP_C: hw->mac.type = I40E_MAC_XL710; break; - case I40E_VF_DEVICE_ID: - case I40E_VF_HV_DEVICE_ID: + case I40E_DEV_ID_VF: + case I40E_DEV_ID_VF_HV: hw->mac.type = I40E_MAC_VF; break; default: @@ -75,7 +72,8 @@ static i40e_status i40e_set_mac_type(struct i40e_hw *hw) /** * i40e_debug_aq * @hw: debug mask related to admin queue - * @cap: pointer to adminq command descriptor + * @mask: debug mask + * @desc: pointer to admin queue descriptor * @buffer: pointer to command buffer * * Dumps debug log about adminq command with descriptor contents. @@ -126,6 +124,413 @@ void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc, } /** + * i40e_check_asq_alive + * @hw: pointer to the hw struct + * + * Returns true if Queue is enabled else false. + **/ +bool i40e_check_asq_alive(struct i40e_hw *hw) +{ + if (hw->aq.asq.len) + return !!(rd32(hw, hw->aq.asq.len) & + I40E_PF_ATQLEN_ATQENABLE_MASK); + else + return false; +} + +/** + * i40e_aq_queue_shutdown + * @hw: pointer to the hw struct + * @unloading: is the driver unloading itself + * + * Tell the Firmware that we're shutting down the AdminQ and whether + * or not the driver is unloading as well. + **/ +i40e_status i40e_aq_queue_shutdown(struct i40e_hw *hw, + bool unloading) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_queue_shutdown *cmd = + (struct i40e_aqc_queue_shutdown *)&desc.params.raw; + i40e_status status; + + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_queue_shutdown); + + if (unloading) + cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING); + status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL); + + return status; +} + +/* The i40e_ptype_lookup table is used to convert from the 8-bit ptype in the + * hardware to a bit-field that can be used by SW to more easily determine the + * packet type. + * + * Macros are used to shorten the table lines and make this table human + * readable. + * + * We store the PTYPE in the top byte of the bit field - this is just so that + * we can check that the table doesn't have a row missing, as the index into + * the table should be the PTYPE. + * + * Typical work flow: + * + * IF NOT i40e_ptype_lookup[ptype].known + * THEN + * Packet is unknown + * ELSE IF i40e_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP + * Use the rest of the fields to look at the tunnels, inner protocols, etc + * ELSE + * Use the enum i40e_rx_l2_ptype to decode the packet type + * ENDIF + */ + +/* macro to make the table lines short */ +#define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\ + { PTYPE, \ + 1, \ + I40E_RX_PTYPE_OUTER_##OUTER_IP, \ + I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \ + I40E_RX_PTYPE_##OUTER_FRAG, \ + I40E_RX_PTYPE_TUNNEL_##T, \ + I40E_RX_PTYPE_TUNNEL_END_##TE, \ + I40E_RX_PTYPE_##TEF, \ + I40E_RX_PTYPE_INNER_PROT_##I, \ + I40E_RX_PTYPE_PAYLOAD_LAYER_##PL } + +#define I40E_PTT_UNUSED_ENTRY(PTYPE) \ + { PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 } + +/* shorter macros makes the table fit but are terse */ +#define I40E_RX_PTYPE_NOF I40E_RX_PTYPE_NOT_FRAG +#define I40E_RX_PTYPE_FRG I40E_RX_PTYPE_FRAG +#define I40E_RX_PTYPE_INNER_PROT_TS I40E_RX_PTYPE_INNER_PROT_TIMESYNC + +/* Lookup table mapping the HW PTYPE to the bit field for decoding */ +struct i40e_rx_ptype_decoded i40e_ptype_lookup[] = { + /* L2 Packet types */ + I40E_PTT_UNUSED_ENTRY(0), + I40E_PTT(1, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), + I40E_PTT(2, L2, NONE, NOF, NONE, NONE, NOF, TS, PAY2), + I40E_PTT(3, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), + I40E_PTT_UNUSED_ENTRY(4), + I40E_PTT_UNUSED_ENTRY(5), + I40E_PTT(6, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), + I40E_PTT(7, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), + I40E_PTT_UNUSED_ENTRY(8), + I40E_PTT_UNUSED_ENTRY(9), + I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), + I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE), + I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), + + /* Non Tunneled IPv4 */ + I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(25), + I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4), + I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4), + I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4), + + /* IPv4 --> IPv4 */ + I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3), + I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3), + I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(32), + I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP, PAY4), + I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), + I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), + + /* IPv4 --> IPv6 */ + I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3), + I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3), + I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(39), + I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP, PAY4), + I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), + I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), + + /* IPv4 --> GRE/NAT */ + I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), + + /* IPv4 --> GRE/NAT --> IPv4 */ + I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), + I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), + I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(47), + I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), + I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), + I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), + + /* IPv4 --> GRE/NAT --> IPv6 */ + I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), + I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), + I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(54), + I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), + I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), + I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), + + /* IPv4 --> GRE/NAT --> MAC */ + I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), + + /* IPv4 --> GRE/NAT --> MAC --> IPv4 */ + I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), + I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), + I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(62), + I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), + I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), + I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), + + /* IPv4 --> GRE/NAT -> MAC --> IPv6 */ + I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), + I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), + I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(69), + I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), + I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), + I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), + + /* IPv4 --> GRE/NAT --> MAC/VLAN */ + I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), + + /* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */ + I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), + I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), + I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(77), + I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), + I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), + I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), + + /* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */ + I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), + I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), + I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(84), + I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), + I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), + I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), + + /* Non Tunneled IPv6 */ + I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3), + I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY3), + I40E_PTT_UNUSED_ENTRY(91), + I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4), + I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4), + I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4), + + /* IPv6 --> IPv4 */ + I40E_PTT(95, IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3), + I40E_PTT(96, IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3), + I40E_PTT(97, IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(98), + I40E_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP, PAY4), + I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), + I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), + + /* IPv6 --> IPv6 */ + I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3), + I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3), + I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(105), + I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP, PAY4), + I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), + I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), + + /* IPv6 --> GRE/NAT */ + I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), + + /* IPv6 --> GRE/NAT -> IPv4 */ + I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), + I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), + I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(113), + I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), + I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), + I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), + + /* IPv6 --> GRE/NAT -> IPv6 */ + I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), + I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), + I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(120), + I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), + I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), + I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), + + /* IPv6 --> GRE/NAT -> MAC */ + I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), + + /* IPv6 --> GRE/NAT -> MAC -> IPv4 */ + I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), + I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), + I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(128), + I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), + I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), + I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), + + /* IPv6 --> GRE/NAT -> MAC -> IPv6 */ + I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), + I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), + I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(135), + I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), + I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), + I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), + + /* IPv6 --> GRE/NAT -> MAC/VLAN */ + I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), + + /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */ + I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), + I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), + I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(143), + I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), + I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), + I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), + + /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */ + I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), + I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), + I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), + I40E_PTT_UNUSED_ENTRY(150), + I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), + I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), + I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), + + /* unused entries */ + I40E_PTT_UNUSED_ENTRY(154), + I40E_PTT_UNUSED_ENTRY(155), + I40E_PTT_UNUSED_ENTRY(156), + I40E_PTT_UNUSED_ENTRY(157), + I40E_PTT_UNUSED_ENTRY(158), + I40E_PTT_UNUSED_ENTRY(159), + + I40E_PTT_UNUSED_ENTRY(160), + I40E_PTT_UNUSED_ENTRY(161), + I40E_PTT_UNUSED_ENTRY(162), + I40E_PTT_UNUSED_ENTRY(163), + I40E_PTT_UNUSED_ENTRY(164), + I40E_PTT_UNUSED_ENTRY(165), + I40E_PTT_UNUSED_ENTRY(166), + I40E_PTT_UNUSED_ENTRY(167), + I40E_PTT_UNUSED_ENTRY(168), + I40E_PTT_UNUSED_ENTRY(169), + + I40E_PTT_UNUSED_ENTRY(170), + I40E_PTT_UNUSED_ENTRY(171), + I40E_PTT_UNUSED_ENTRY(172), + I40E_PTT_UNUSED_ENTRY(173), + I40E_PTT_UNUSED_ENTRY(174), + I40E_PTT_UNUSED_ENTRY(175), + I40E_PTT_UNUSED_ENTRY(176), + I40E_PTT_UNUSED_ENTRY(177), + I40E_PTT_UNUSED_ENTRY(178), + I40E_PTT_UNUSED_ENTRY(179), + + I40E_PTT_UNUSED_ENTRY(180), + I40E_PTT_UNUSED_ENTRY(181), + I40E_PTT_UNUSED_ENTRY(182), + I40E_PTT_UNUSED_ENTRY(183), + I40E_PTT_UNUSED_ENTRY(184), + I40E_PTT_UNUSED_ENTRY(185), + I40E_PTT_UNUSED_ENTRY(186), + I40E_PTT_UNUSED_ENTRY(187), + I40E_PTT_UNUSED_ENTRY(188), + I40E_PTT_UNUSED_ENTRY(189), + + I40E_PTT_UNUSED_ENTRY(190), + I40E_PTT_UNUSED_ENTRY(191), + I40E_PTT_UNUSED_ENTRY(192), + I40E_PTT_UNUSED_ENTRY(193), + I40E_PTT_UNUSED_ENTRY(194), + I40E_PTT_UNUSED_ENTRY(195), + I40E_PTT_UNUSED_ENTRY(196), + I40E_PTT_UNUSED_ENTRY(197), + I40E_PTT_UNUSED_ENTRY(198), + I40E_PTT_UNUSED_ENTRY(199), + + I40E_PTT_UNUSED_ENTRY(200), + I40E_PTT_UNUSED_ENTRY(201), + I40E_PTT_UNUSED_ENTRY(202), + I40E_PTT_UNUSED_ENTRY(203), + I40E_PTT_UNUSED_ENTRY(204), + I40E_PTT_UNUSED_ENTRY(205), + I40E_PTT_UNUSED_ENTRY(206), + I40E_PTT_UNUSED_ENTRY(207), + I40E_PTT_UNUSED_ENTRY(208), + I40E_PTT_UNUSED_ENTRY(209), + + I40E_PTT_UNUSED_ENTRY(210), + I40E_PTT_UNUSED_ENTRY(211), + I40E_PTT_UNUSED_ENTRY(212), + I40E_PTT_UNUSED_ENTRY(213), + I40E_PTT_UNUSED_ENTRY(214), + I40E_PTT_UNUSED_ENTRY(215), + I40E_PTT_UNUSED_ENTRY(216), + I40E_PTT_UNUSED_ENTRY(217), + I40E_PTT_UNUSED_ENTRY(218), + I40E_PTT_UNUSED_ENTRY(219), + + I40E_PTT_UNUSED_ENTRY(220), + I40E_PTT_UNUSED_ENTRY(221), + I40E_PTT_UNUSED_ENTRY(222), + I40E_PTT_UNUSED_ENTRY(223), + I40E_PTT_UNUSED_ENTRY(224), + I40E_PTT_UNUSED_ENTRY(225), + I40E_PTT_UNUSED_ENTRY(226), + I40E_PTT_UNUSED_ENTRY(227), + I40E_PTT_UNUSED_ENTRY(228), + I40E_PTT_UNUSED_ENTRY(229), + + I40E_PTT_UNUSED_ENTRY(230), + I40E_PTT_UNUSED_ENTRY(231), + I40E_PTT_UNUSED_ENTRY(232), + I40E_PTT_UNUSED_ENTRY(233), + I40E_PTT_UNUSED_ENTRY(234), + I40E_PTT_UNUSED_ENTRY(235), + I40E_PTT_UNUSED_ENTRY(236), + I40E_PTT_UNUSED_ENTRY(237), + I40E_PTT_UNUSED_ENTRY(238), + I40E_PTT_UNUSED_ENTRY(239), + + I40E_PTT_UNUSED_ENTRY(240), + I40E_PTT_UNUSED_ENTRY(241), + I40E_PTT_UNUSED_ENTRY(242), + I40E_PTT_UNUSED_ENTRY(243), + I40E_PTT_UNUSED_ENTRY(244), + I40E_PTT_UNUSED_ENTRY(245), + I40E_PTT_UNUSED_ENTRY(246), + I40E_PTT_UNUSED_ENTRY(247), + I40E_PTT_UNUSED_ENTRY(248), + I40E_PTT_UNUSED_ENTRY(249), + + I40E_PTT_UNUSED_ENTRY(250), + I40E_PTT_UNUSED_ENTRY(251), + I40E_PTT_UNUSED_ENTRY(252), + I40E_PTT_UNUSED_ENTRY(253), + I40E_PTT_UNUSED_ENTRY(254), + I40E_PTT_UNUSED_ENTRY(255) +}; + + +/** * i40e_init_shared_code - Initialize the shared code * @hw: pointer to hardware structure * @@ -142,14 +547,6 @@ i40e_status i40e_init_shared_code(struct i40e_hw *hw) i40e_status status = 0; u32 reg; - hw->phy.get_link_info = true; - - /* Determine port number */ - reg = rd32(hw, I40E_PFGEN_PORTNUM); - reg = ((reg & I40E_PFGEN_PORTNUM_PORT_NUM_MASK) >> - I40E_PFGEN_PORTNUM_PORT_NUM_SHIFT); - hw->port = (u8)reg; - i40e_set_mac_type(hw); switch (hw->mac.type) { @@ -160,6 +557,21 @@ i40e_status i40e_init_shared_code(struct i40e_hw *hw) break; } + hw->phy.get_link_info = true; + + /* Determine port number */ + reg = rd32(hw, I40E_PFGEN_PORTNUM); + reg = ((reg & I40E_PFGEN_PORTNUM_PORT_NUM_MASK) >> + I40E_PFGEN_PORTNUM_PORT_NUM_SHIFT); + hw->port = (u8)reg; + + /* Determine the PF number based on the PCI fn */ + reg = rd32(hw, I40E_GLPCI_CAPSUP); + if (reg & I40E_GLPCI_CAPSUP_ARI_EN_MASK) + hw->pf_id = (u8)((hw->bus.device << 3) | hw->bus.func); + else + hw->pf_id = (u8)hw->bus.func; + status = i40e_init_nvm(hw); return status; } @@ -210,8 +622,11 @@ i40e_status i40e_aq_mac_address_write(struct i40e_hw *hw, i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_mac_address_write); cmd_data->command_flags = cpu_to_le16(flags); - memcpy(&cmd_data->mac_sal, &mac_addr[0], 4); - memcpy(&cmd_data->mac_sah, &mac_addr[4], 2); + cmd_data->mac_sah = cpu_to_le16((u16)mac_addr[0] << 8 | mac_addr[1]); + cmd_data->mac_sal = cpu_to_le32(((u32)mac_addr[2] << 24) | + ((u32)mac_addr[3] << 16) | + ((u32)mac_addr[4] << 8) | + mac_addr[5]); status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); @@ -240,32 +655,83 @@ i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr) } /** - * i40e_validate_mac_addr - Validate MAC address - * @mac_addr: pointer to MAC address + * i40e_pre_tx_queue_cfg - pre tx queue configure + * @hw: pointer to the HW structure + * @queue: target pf queue index + * @enable: state change request * - * Tests a MAC address to ensure it is a valid Individual Address + * Handles hw requirement to indicate intention to enable + * or disable target queue. **/ -i40e_status i40e_validate_mac_addr(u8 *mac_addr) +void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable) { - i40e_status status = 0; + u32 abs_queue_idx = hw->func_caps.base_queue + queue; + u32 reg_block = 0; + u32 reg_val; - /* Make sure it is not a multicast address */ - if (I40E_IS_MULTICAST(mac_addr)) { - hw_dbg(hw, "MAC address is multicast\n"); - status = I40E_ERR_INVALID_MAC_ADDR; - /* Not a broadcast address */ - } else if (I40E_IS_BROADCAST(mac_addr)) { - hw_dbg(hw, "MAC address is broadcast\n"); - status = I40E_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) { - hw_dbg(hw, "MAC address is all zeros\n"); - status = I40E_ERR_INVALID_MAC_ADDR; + if (abs_queue_idx >= 128) + reg_block = abs_queue_idx / 128; + + reg_val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block)); + reg_val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK; + reg_val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT); + + if (enable) + reg_val |= I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_MASK; + else + reg_val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK; + + wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), reg_val); +} + +/** + * i40e_get_media_type - Gets media type + * @hw: pointer to the hardware structure + **/ +static enum i40e_media_type i40e_get_media_type(struct i40e_hw *hw) +{ + enum i40e_media_type media; + + switch (hw->phy.link_info.phy_type) { + case I40E_PHY_TYPE_10GBASE_SR: + case I40E_PHY_TYPE_10GBASE_LR: + case I40E_PHY_TYPE_40GBASE_SR4: + case I40E_PHY_TYPE_40GBASE_LR4: + media = I40E_MEDIA_TYPE_FIBER; + break; + case I40E_PHY_TYPE_100BASE_TX: + case I40E_PHY_TYPE_1000BASE_T: + case I40E_PHY_TYPE_10GBASE_T: + media = I40E_MEDIA_TYPE_BASET; + break; + case I40E_PHY_TYPE_10GBASE_CR1_CU: + case I40E_PHY_TYPE_40GBASE_CR4_CU: + case I40E_PHY_TYPE_10GBASE_CR1: + case I40E_PHY_TYPE_40GBASE_CR4: + case I40E_PHY_TYPE_10GBASE_SFPP_CU: + media = I40E_MEDIA_TYPE_DA; + break; + case I40E_PHY_TYPE_1000BASE_KX: + case I40E_PHY_TYPE_10GBASE_KX4: + case I40E_PHY_TYPE_10GBASE_KR: + case I40E_PHY_TYPE_40GBASE_KR4: + media = I40E_MEDIA_TYPE_BACKPLANE; + break; + case I40E_PHY_TYPE_SGMII: + case I40E_PHY_TYPE_XAUI: + case I40E_PHY_TYPE_XFI: + case I40E_PHY_TYPE_XLAUI: + case I40E_PHY_TYPE_XLPPI: + default: + media = I40E_MEDIA_TYPE_UNKNOWN; + break; } - return status; + + return media; } +#define I40E_PF_RESET_WAIT_COUNT_A0 200 +#define I40E_PF_RESET_WAIT_COUNT 100 /** * i40e_pf_reset - Reset the PF * @hw: pointer to the hardware structure @@ -275,7 +741,8 @@ i40e_status i40e_validate_mac_addr(u8 *mac_addr) **/ i40e_status i40e_pf_reset(struct i40e_hw *hw) { - u32 wait_cnt = 0; + u32 cnt = 0; + u32 cnt1 = 0; u32 reg = 0; u32 grst_del; @@ -285,7 +752,7 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw) */ grst_del = rd32(hw, I40E_GLGEN_RSTCTL) & I40E_GLGEN_RSTCTL_GRSTDEL_MASK >> I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT; - for (wait_cnt = 0; wait_cnt < grst_del + 2; wait_cnt++) { + for (cnt = 0; cnt < grst_del + 2; cnt++) { reg = rd32(hw, I40E_GLGEN_RSTAT); if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK)) break; @@ -296,17 +763,37 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw) return I40E_ERR_RESET_FAILED; } - /* Determine the PF number based on the PCI fn */ - hw->pf_id = (u8)hw->bus.func; + /* Now Wait for the FW to be ready */ + for (cnt1 = 0; cnt1 < I40E_PF_RESET_WAIT_COUNT; cnt1++) { + reg = rd32(hw, I40E_GLNVM_ULD); + reg &= (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK | + I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK); + if (reg == (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK | + I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK)) { + hw_dbg(hw, "Core and Global modules ready %d\n", cnt1); + break; + } + usleep_range(10000, 20000); + } + if (!(reg & (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK | + I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK))) { + hw_dbg(hw, "wait for FW Reset complete timedout\n"); + hw_dbg(hw, "I40E_GLNVM_ULD = 0x%x\n", reg); + return I40E_ERR_RESET_FAILED; + } /* If there was a Global Reset in progress when we got here, * we don't need to do the PF Reset */ - if (!wait_cnt) { + if (!cnt) { + if (hw->revision_id == 0) + cnt = I40E_PF_RESET_WAIT_COUNT_A0; + else + cnt = I40E_PF_RESET_WAIT_COUNT; reg = rd32(hw, I40E_PFGEN_CTRL); wr32(hw, I40E_PFGEN_CTRL, (reg | I40E_PFGEN_CTRL_PFSWR_MASK)); - for (wait_cnt = 0; wait_cnt < 10; wait_cnt++) { + for (; cnt; cnt--) { reg = rd32(hw, I40E_PFGEN_CTRL); if (!(reg & I40E_PFGEN_CTRL_PFSWR_MASK)) break; @@ -319,6 +806,7 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw) } i40e_clear_pxe_mode(hw); + return 0; } @@ -333,12 +821,53 @@ void i40e_clear_pxe_mode(struct i40e_hw *hw) { u32 reg; + if (i40e_check_asq_alive(hw)) + i40e_aq_clear_pxe_mode(hw, NULL); + /* Clear single descriptor fetch/write-back mode */ reg = rd32(hw, I40E_GLLAN_RCTL_0); - wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK)); + + if (hw->revision_id == 0) { + /* As a work around clear PXE_MODE instead of setting it */ + wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK))); + } else { + wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK)); + } } /** + * i40e_led_is_mine - helper to find matching led + * @hw: pointer to the hw struct + * @idx: index into GPIO registers + * + * returns: 0 if no match, otherwise the value of the GPIO_CTL register + */ +static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx) +{ + u32 gpio_val = 0; + u32 port; + + if (!hw->func_caps.led[idx]) + return 0; + + gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx)); + port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >> + I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT; + + /* if PRT_NUM_NA is 1 then this LED is not port specific, OR + * if it is not our port then ignore + */ + if ((gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_MASK) || + (port != hw->port)) + return 0; + + return gpio_val; +} + +#define I40E_LED0 22 +#define I40E_LINK_ACTIVITY 0xC + +/** * i40e_led_get - return current on/off mode * @hw: pointer to the hw struct * @@ -349,24 +878,20 @@ void i40e_clear_pxe_mode(struct i40e_hw *hw) **/ u32 i40e_led_get(struct i40e_hw *hw) { - u32 gpio_val = 0; u32 mode = 0; - u32 port; int i; - for (i = 0; i < I40E_HW_CAP_MAX_GPIO; i++) { - if (!hw->func_caps.led[i]) - continue; - - gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(i)); - port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) - >> I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT; + /* as per the documentation GPIO 22-29 are the LED + * GPIO pins named LED0..LED7 + */ + for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) { + u32 gpio_val = i40e_led_is_mine(hw, i); - if (port != hw->port) + if (!gpio_val) continue; - mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) - >> I40E_GLGEN_GPIO_CTL_INT_MODE_SHIFT; + mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) >> + I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT; break; } @@ -376,57 +901,69 @@ u32 i40e_led_get(struct i40e_hw *hw) /** * i40e_led_set - set new on/off mode * @hw: pointer to the hw struct - * @mode: 0=off, else on (see EAS for mode details) + * @mode: 0=off, 0xf=on (else see manual for mode details) + * @blink: true if the LED should blink when on, false if steady + * + * if this function is used to turn on the blink it should + * be used to disable the blink when restoring the original state. **/ -void i40e_led_set(struct i40e_hw *hw, u32 mode) +void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink) { - u32 gpio_val = 0; - u32 led_mode = 0; - u32 port; int i; - for (i = 0; i < I40E_HW_CAP_MAX_GPIO; i++) { - if (!hw->func_caps.led[i]) - continue; + if (mode & 0xfffffff0) + hw_dbg(hw, "invalid mode passed in %X\n", mode); - gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(i)); - port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) - >> I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT; + /* as per the documentation GPIO 22-29 are the LED + * GPIO pins named LED0..LED7 + */ + for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) { + u32 gpio_val = i40e_led_is_mine(hw, i); - if (port != hw->port) + if (!gpio_val) continue; - led_mode = (mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) & - I40E_GLGEN_GPIO_CTL_LED_MODE_MASK; gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK; - gpio_val |= led_mode; + /* this & is a bit of paranoia, but serves as a range check */ + gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) & + I40E_GLGEN_GPIO_CTL_LED_MODE_MASK); + + if (mode == I40E_LINK_ACTIVITY) + blink = false; + + gpio_val |= (blink ? 1 : 0) << + I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT; + wr32(hw, I40E_GLGEN_GPIO_CTL(i), gpio_val); + break; } } /* Admin command wrappers */ + /** - * i40e_aq_queue_shutdown + * i40e_aq_clear_pxe_mode * @hw: pointer to the hw struct - * @unloading: is the driver unloading itself + * @cmd_details: pointer to command details structure or NULL * - * Tell the Firmware that we're shutting down the AdminQ and whether - * or not the driver is unloading as well. + * Tell the firmware that the driver is taking over from PXE **/ -i40e_status i40e_aq_queue_shutdown(struct i40e_hw *hw, - bool unloading) +i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw, + struct i40e_asq_cmd_details *cmd_details) { - struct i40e_aq_desc desc; - struct i40e_aqc_queue_shutdown *cmd = - (struct i40e_aqc_queue_shutdown *)&desc.params.raw; i40e_status status; + struct i40e_aq_desc desc; + struct i40e_aqc_clear_pxe *cmd = + (struct i40e_aqc_clear_pxe *)&desc.params.raw; i40e_fill_default_direct_cmd_desc(&desc, - i40e_aqc_opc_queue_shutdown); + i40e_aqc_opc_clear_pxe_mode); - if (unloading) - cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING); - status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL); + cmd->rx_cnt = 0x2; + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + wr32(hw, I40E_GLLAN_RCTL_0, 0x1); return status; } @@ -490,15 +1027,23 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, goto aq_get_link_info_exit; /* save off old link status information */ - memcpy(&hw->phy.link_info_old, hw_link_info, - sizeof(struct i40e_link_status)); + hw->phy.link_info_old = *hw_link_info; /* update link status */ hw_link_info->phy_type = (enum i40e_aq_phy_type)resp->phy_type; + hw->phy.media_type = i40e_get_media_type(hw); hw_link_info->link_speed = (enum i40e_aq_link_speed)resp->link_speed; hw_link_info->link_info = resp->link_info; hw_link_info->an_info = resp->an_info; hw_link_info->ext_info = resp->ext_info; + hw_link_info->loopback = resp->loopback; + hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size); + hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK; + + if (resp->config & I40E_AQ_CONFIG_CRC_ENA) + hw_link_info->crc_enable = true; + else + hw_link_info->crc_enable = false; if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_ENABLE)) hw_link_info->lse_enable = true; @@ -507,7 +1052,7 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, /* save link status information */ if (link) - memcpy(link, hw_link_info, sizeof(struct i40e_link_status)); + *link = *hw_link_info; /* flag cleared so helper functions don't call AQ again */ hw->phy.get_link_info = false; @@ -519,7 +1064,7 @@ aq_get_link_info_exit: /** * i40e_aq_add_vsi * @hw: pointer to the hw struct - * @vsi: pointer to a vsi context struct + * @vsi_ctx: pointer to a vsi context struct * @cmd_details: pointer to command details structure or NULL * * Add a VSI context to the hardware. @@ -545,8 +1090,6 @@ i40e_status i40e_aq_add_vsi(struct i40e_hw *hw, cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags); desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD)); - if (sizeof(vsi_ctx->info) > I40E_AQ_LARGE_BUF) - desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB); status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info, sizeof(vsi_ctx->info), cmd_details); @@ -571,7 +1114,8 @@ aq_add_vsi_exit: * @cmd_details: pointer to command details structure or NULL **/ i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw, - u16 seid, bool set, struct i40e_asq_cmd_details *cmd_details) + u16 seid, bool set, + struct i40e_asq_cmd_details *cmd_details) { struct i40e_aq_desc desc; struct i40e_aqc_set_vsi_promiscuous_modes *cmd = @@ -665,7 +1209,7 @@ i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw, /** * i40e_get_vsi_params - get VSI configuration info * @hw: pointer to the hw struct - * @vsi: pointer to a vsi context struct + * @vsi_ctx: pointer to a vsi context struct * @cmd_details: pointer to command details structure or NULL **/ i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw, @@ -673,8 +1217,8 @@ i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw, struct i40e_asq_cmd_details *cmd_details) { struct i40e_aq_desc desc; - struct i40e_aqc_switch_seid *cmd = - (struct i40e_aqc_switch_seid *)&desc.params.raw; + struct i40e_aqc_add_get_update_vsi *cmd = + (struct i40e_aqc_add_get_update_vsi *)&desc.params.raw; struct i40e_aqc_add_get_update_vsi_completion *resp = (struct i40e_aqc_add_get_update_vsi_completion *) &desc.params.raw; @@ -683,11 +1227,9 @@ i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw, i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_vsi_parameters); - cmd->seid = cpu_to_le16(vsi_ctx->seid); + cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid); desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); - if (sizeof(vsi_ctx->info) > I40E_AQ_LARGE_BUF) - desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB); status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info, sizeof(vsi_ctx->info), NULL); @@ -707,7 +1249,7 @@ aq_get_vsi_params_exit: /** * i40e_aq_update_vsi_params * @hw: pointer to the hw struct - * @vsi: pointer to a vsi context struct + * @vsi_ctx: pointer to a vsi context struct * @cmd_details: pointer to command details structure or NULL * * Update a VSI context. @@ -717,17 +1259,15 @@ i40e_status i40e_aq_update_vsi_params(struct i40e_hw *hw, struct i40e_asq_cmd_details *cmd_details) { struct i40e_aq_desc desc; - struct i40e_aqc_switch_seid *cmd = - (struct i40e_aqc_switch_seid *)&desc.params.raw; + struct i40e_aqc_add_get_update_vsi *cmd = + (struct i40e_aqc_add_get_update_vsi *)&desc.params.raw; i40e_status status; i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_update_vsi_parameters); - cmd->seid = cpu_to_le16(vsi_ctx->seid); + cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid); desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD)); - if (sizeof(vsi_ctx->info) > I40E_AQ_LARGE_BUF) - desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB); status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info, sizeof(vsi_ctx->info), cmd_details); @@ -810,7 +1350,6 @@ i40e_status i40e_aq_get_firmware_version(struct i40e_hw *hw, /** * i40e_aq_send_driver_version * @hw: pointer to the hw struct - * @event: driver event: driver ok, start or stop * @dv: driver's major, minor version * @cmd_details: pointer to command details structure or NULL * @@ -824,6 +1363,7 @@ i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw, struct i40e_aqc_driver_version *cmd = (struct i40e_aqc_driver_version *)&desc.params.raw; i40e_status status; + u16 len; if (dv == NULL) return I40E_ERR_PARAM; @@ -835,7 +1375,14 @@ i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw, cmd->driver_minor_ver = dv->minor_version; cmd->driver_build_ver = dv->build_version; cmd->driver_subbuild_ver = dv->subbuild_version; - status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + len = 0; + while (len < sizeof(dv->driver_string) && + (dv->driver_string[len] < 0x80) && + dv->driver_string[len]) + len++; + status = i40e_asq_send_command(hw, &desc, dv->driver_string, + len, cmd_details); return status; } @@ -873,6 +1420,7 @@ i40e_get_link_status_exit: * @downlink_seid: the VSI SEID * @enabled_tc: bitmap of TCs to be enabled * @default_port: true for default port VSI, false for control port + * @enable_l2_filtering: true to add L2 filter table rules to regular forwarding rules for cloud support * @veb_seid: pointer to where to put the resulting VEB SEID * @cmd_details: pointer to command details structure or NULL * @@ -881,7 +1429,8 @@ i40e_get_link_status_exit: **/ i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid, u16 downlink_seid, u8 enabled_tc, - bool default_port, u16 *veb_seid, + bool default_port, bool enable_l2_filtering, + u16 *veb_seid, struct i40e_asq_cmd_details *cmd_details) { struct i40e_aq_desc desc; @@ -907,6 +1456,10 @@ i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid, veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DEFAULT; else veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DATA; + + if (enable_l2_filtering) + veb_flags |= I40E_AQC_ADD_VEB_ENABLE_L2_FILTER; + cmd->veb_flags = cpu_to_le16(veb_flags); status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); @@ -922,10 +1475,10 @@ i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid, * @hw: pointer to the hw struct * @veb_seid: the SEID of the VEB to query * @switch_id: the uplink switch id - * @floating_veb: set to true if the VEB is floating + * @floating: set to true if the VEB is floating * @statistic_index: index of the stats counter block for this VEB * @vebs_used: number of VEB's used by function - * @vebs_unallocated: total VEB's not reserved by any function + * @vebs_free: total VEB's not reserved by any function * @cmd_details: pointer to command details structure or NULL * * This retrieves the parameters for a particular VEB, specified by @@ -1059,89 +1612,11 @@ i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid, } /** - * i40e_aq_add_vlan - Add VLAN ids to the HW filtering - * @hw: pointer to the hw struct - * @seid: VSI for the vlan filters - * @v_list: list of vlan filters to be added - * @count: length of the list - * @cmd_details: pointer to command details structure or NULL - **/ -i40e_status i40e_aq_add_vlan(struct i40e_hw *hw, u16 seid, - struct i40e_aqc_add_remove_vlan_element_data *v_list, - u8 count, struct i40e_asq_cmd_details *cmd_details) -{ - struct i40e_aq_desc desc; - struct i40e_aqc_macvlan *cmd = - (struct i40e_aqc_macvlan *)&desc.params.raw; - i40e_status status; - u16 buf_size; - - if (count == 0 || !v_list || !hw) - return I40E_ERR_PARAM; - - buf_size = count * sizeof(struct i40e_aqc_add_remove_vlan_element_data); - - /* prep the rest of the request */ - i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_vlan); - cmd->num_addresses = cpu_to_le16(count); - cmd->seid[0] = cpu_to_le16(seid | I40E_AQC_MACVLAN_CMD_SEID_VALID); - cmd->seid[1] = 0; - cmd->seid[2] = 0; - - desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD)); - if (buf_size > I40E_AQ_LARGE_BUF) - desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB); - - status = i40e_asq_send_command(hw, &desc, v_list, buf_size, - cmd_details); - - return status; -} - -/** - * i40e_aq_remove_vlan - Remove VLANs from the HW filtering - * @hw: pointer to the hw struct - * @seid: VSI for the vlan filters - * @v_list: list of macvlans to be removed - * @count: length of the list - * @cmd_details: pointer to command details structure or NULL - **/ -i40e_status i40e_aq_remove_vlan(struct i40e_hw *hw, u16 seid, - struct i40e_aqc_add_remove_vlan_element_data *v_list, - u8 count, struct i40e_asq_cmd_details *cmd_details) -{ - struct i40e_aq_desc desc; - struct i40e_aqc_macvlan *cmd = - (struct i40e_aqc_macvlan *)&desc.params.raw; - i40e_status status; - u16 buf_size; - - if (count == 0 || !v_list || !hw) - return I40E_ERR_PARAM; - - buf_size = count * sizeof(struct i40e_aqc_add_remove_vlan_element_data); - - /* prep the rest of the request */ - i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_vlan); - cmd->num_addresses = cpu_to_le16(count); - cmd->seid[0] = cpu_to_le16(seid | I40E_AQC_MACVLAN_CMD_SEID_VALID); - cmd->seid[1] = 0; - cmd->seid[2] = 0; - - desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD)); - if (buf_size > I40E_AQ_LARGE_BUF) - desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB); - - status = i40e_asq_send_command(hw, &desc, v_list, buf_size, - cmd_details); - - return status; -} - -/** * i40e_aq_send_msg_to_vf * @hw: pointer to the hardware structure * @vfid: vf id to send msg + * @v_opcode: opcodes for VF-PF communication + * @v_retval: return error code * @msg: pointer to the msg buffer * @msglen: msg length * @cmd_details: pointer to command details @@ -1371,9 +1846,9 @@ static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff, cap = (struct i40e_aqc_list_capabilities_element_resp *) buff; if (list_type_opc == i40e_aqc_opc_list_dev_capabilities) - p = (struct i40e_hw_capabilities *)&hw->dev_caps; + p = &hw->dev_caps; else if (list_type_opc == i40e_aqc_opc_list_func_capabilities) - p = (struct i40e_hw_capabilities *)&hw->func_caps; + p = &hw->func_caps; else return; @@ -1496,6 +1971,12 @@ static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff, } } + /* Software override ensuring FCoE is disabled if npar or mfp + * mode because it is not supported in these modes. + */ + if (p->npar_enable || p->mfp_mode_1) + p->fcoe = false; + /* additional HW specific goodies that might * someday be HW version specific */ @@ -1519,8 +2000,8 @@ i40e_status i40e_aq_discover_capabilities(struct i40e_hw *hw, struct i40e_asq_cmd_details *cmd_details) { struct i40e_aqc_list_capabilites *cmd; - i40e_status status = 0; struct i40e_aq_desc desc; + i40e_status status = 0; cmd = (struct i40e_aqc_list_capabilites *)&desc.params.raw; @@ -1681,6 +2162,63 @@ i40e_status i40e_aq_start_lldp(struct i40e_hw *hw, } /** + * i40e_aq_add_udp_tunnel + * @hw: pointer to the hw struct + * @udp_port: the UDP port to add + * @header_len: length of the tunneling header length in DWords + * @protocol_index: protocol index type + * @filter_index: pointer to filter index + * @cmd_details: pointer to command details structure or NULL + **/ +i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw, + u16 udp_port, u8 protocol_index, + u8 *filter_index, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_add_udp_tunnel *cmd = + (struct i40e_aqc_add_udp_tunnel *)&desc.params.raw; + struct i40e_aqc_del_udp_tunnel_completion *resp = + (struct i40e_aqc_del_udp_tunnel_completion *)&desc.params.raw; + i40e_status status; + + i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_udp_tunnel); + + cmd->udp_port = cpu_to_le16(udp_port); + cmd->protocol_type = protocol_index; + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + if (!status) + *filter_index = resp->index; + + return status; +} + +/** + * i40e_aq_del_udp_tunnel + * @hw: pointer to the hw struct + * @index: filter index + * @cmd_details: pointer to command details structure or NULL + **/ +i40e_status i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_remove_udp_tunnel *cmd = + (struct i40e_aqc_remove_udp_tunnel *)&desc.params.raw; + i40e_status status; + + i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_del_udp_tunnel); + + cmd->index = index; + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + return status; +} + +/** * i40e_aq_delete_element - Delete switch element * @hw: pointer to the hw struct * @seid: the SEID to delete from the switch @@ -1709,6 +2247,28 @@ i40e_status i40e_aq_delete_element(struct i40e_hw *hw, u16 seid, } /** + * i40e_aq_dcb_updated - DCB Updated Command + * @hw: pointer to the hw struct + * @cmd_details: pointer to command details structure or NULL + * + * EMP will return when the shared RPB settings have been + * recomputed and modified. The retval field in the descriptor + * will be set to 0 when RPB is modified. + **/ +i40e_status i40e_aq_dcb_updated(struct i40e_hw *hw, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + i40e_status status; + + i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_dcb_updated); + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + return status; +} + +/** * i40e_aq_tx_sched_cmd - generic Tx scheduler AQ command handler * @hw: pointer to the hw struct * @seid: seid for the physical port/switching component/vsi @@ -1770,6 +2330,35 @@ static i40e_status i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid, } /** + * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit + * @hw: pointer to the hw struct + * @seid: VSI seid + * @credit: BW limit credits (0 = disabled) + * @max_credit: Max BW limit credits + * @cmd_details: pointer to command details structure or NULL + **/ +i40e_status i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw, + u16 seid, u16 credit, u8 max_credit, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_configure_vsi_bw_limit *cmd = + (struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw; + i40e_status status; + + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_configure_vsi_bw_limit); + + cmd->vsi_seid = cpu_to_le16(seid); + cmd->credit = cpu_to_le16(credit); + cmd->max_credit = max_credit; + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + return status; +} + +/** * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC * @hw: pointer to the hw struct * @seid: VSI seid @@ -1787,6 +2376,40 @@ i40e_status i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw, } /** + * i40e_aq_config_switch_comp_ets - Enable/Disable/Modify ETS on the port + * @hw: pointer to the hw struct + * @seid: seid of the switching component connected to Physical Port + * @ets_data: Buffer holding ETS parameters + * @cmd_details: pointer to command details structure or NULL + **/ +i40e_status i40e_aq_config_switch_comp_ets(struct i40e_hw *hw, + u16 seid, + struct i40e_aqc_configure_switching_comp_ets_data *ets_data, + enum i40e_admin_queue_opc opcode, + struct i40e_asq_cmd_details *cmd_details) +{ + return i40e_aq_tx_sched_cmd(hw, seid, (void *)ets_data, + sizeof(*ets_data), opcode, cmd_details); +} + +/** + * i40e_aq_config_switch_comp_bw_config - Config Switch comp BW Alloc per TC + * @hw: pointer to the hw struct + * @seid: seid of the switching component + * @bw_data: Buffer holding enabled TCs, relative/absolute TC BW limit/credits + * @cmd_details: pointer to command details structure or NULL + **/ +i40e_status i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw, + u16 seid, + struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data, + struct i40e_asq_cmd_details *cmd_details) +{ + return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data), + i40e_aqc_opc_configure_switching_comp_bw_config, + cmd_details); +} + +/** * i40e_aq_query_vsi_bw_config - Query VSI BW configuration * @hw: pointer to the hw struct * @seid: seid of the VSI @@ -1888,7 +2511,7 @@ static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw, { u32 fcoe_cntx_size, fcoe_filt_size; u32 pe_cntx_size, pe_filt_size; - u32 fcoe_fmax, pe_fmax; + u32 fcoe_fmax; u32 val; /* Validate FCoE settings passed */ @@ -1963,13 +2586,6 @@ static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw, if (fcoe_filt_size + fcoe_cntx_size > fcoe_fmax) return I40E_ERR_INVALID_SIZE; - /* PEHSIZE + PEDSIZE should not be greater than PMPEXFMAX */ - val = rd32(hw, I40E_GLHMC_PEXFMAX); - pe_fmax = (val & I40E_GLHMC_PEXFMAX_PMPEXFMAX_MASK) - >> I40E_GLHMC_PEXFMAX_PMPEXFMAX_SHIFT; - if (pe_filt_size + pe_cntx_size > pe_fmax) - return I40E_ERR_INVALID_SIZE; - return 0; } @@ -2039,3 +2655,110 @@ i40e_status i40e_set_filter_control(struct i40e_hw *hw, return 0; } + +/** + * i40e_aq_add_rem_control_packet_filter - Add or Remove Control Packet Filter + * @hw: pointer to the hw struct + * @mac_addr: MAC address to use in the filter + * @ethtype: Ethertype to use in the filter + * @flags: Flags that needs to be applied to the filter + * @vsi_seid: seid of the control VSI + * @queue: VSI queue number to send the packet to + * @is_add: Add control packet filter if True else remove + * @stats: Structure to hold information on control filter counts + * @cmd_details: pointer to command details structure or NULL + * + * This command will Add or Remove control packet filter for a control VSI. + * In return it will update the total number of perfect filter count in + * the stats member. + **/ +i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw, + u8 *mac_addr, u16 ethtype, u16 flags, + u16 vsi_seid, u16 queue, bool is_add, + struct i40e_control_filter_stats *stats, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_add_remove_control_packet_filter *cmd = + (struct i40e_aqc_add_remove_control_packet_filter *) + &desc.params.raw; + struct i40e_aqc_add_remove_control_packet_filter_completion *resp = + (struct i40e_aqc_add_remove_control_packet_filter_completion *) + &desc.params.raw; + i40e_status status; + + if (vsi_seid == 0) + return I40E_ERR_PARAM; + + if (is_add) { + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_add_control_packet_filter); + cmd->queue = cpu_to_le16(queue); + } else { + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_remove_control_packet_filter); + } + + if (mac_addr) + memcpy(cmd->mac, mac_addr, ETH_ALEN); + + cmd->etype = cpu_to_le16(ethtype); + cmd->flags = cpu_to_le16(flags); + cmd->seid = cpu_to_le16(vsi_seid); + + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); + + if (!status && stats) { + stats->mac_etype_used = le16_to_cpu(resp->mac_etype_used); + stats->etype_used = le16_to_cpu(resp->etype_used); + stats->mac_etype_free = le16_to_cpu(resp->mac_etype_free); + stats->etype_free = le16_to_cpu(resp->etype_free); + } + + return status; +} + +/** + * i40e_set_pci_config_data - store PCI bus info + * @hw: pointer to hardware structure + * @link_status: the link status word from PCI config space + * + * Stores the PCI bus info (speed, width, type) within the i40e_hw structure + **/ +void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status) +{ + hw->bus.type = i40e_bus_type_pci_express; + + switch (link_status & PCI_EXP_LNKSTA_NLW) { + case PCI_EXP_LNKSTA_NLW_X1: + hw->bus.width = i40e_bus_width_pcie_x1; + break; + case PCI_EXP_LNKSTA_NLW_X2: + hw->bus.width = i40e_bus_width_pcie_x2; + break; + case PCI_EXP_LNKSTA_NLW_X4: + hw->bus.width = i40e_bus_width_pcie_x4; + break; + case PCI_EXP_LNKSTA_NLW_X8: + hw->bus.width = i40e_bus_width_pcie_x8; + break; + default: + hw->bus.width = i40e_bus_width_unknown; + break; + } + + switch (link_status & PCI_EXP_LNKSTA_CLS) { + case PCI_EXP_LNKSTA_CLS_2_5GB: + hw->bus.speed = i40e_bus_speed_2500; + break; + case PCI_EXP_LNKSTA_CLS_5_0GB: + hw->bus.speed = i40e_bus_speed_5000; + break; + case PCI_EXP_LNKSTA_CLS_8_0GB: + hw->bus.speed = i40e_bus_speed_8000; + break; + default: + hw->bus.speed = i40e_bus_speed_unknown; + break; + } +} diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.c b/drivers/net/ethernet/intel/i40e/i40e_dcb.c new file mode 100644 index 00000000000..036570d7617 --- /dev/null +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.c @@ -0,0 +1,472 @@ +/******************************************************************************* + * + * Intel Ethernet Controller XL710 Family Linux Driver + * Copyright(c) 2013 - 2014 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, see <http://www.gnu.org/licenses/>. + * + * 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 "i40e_adminq.h" +#include "i40e_prototype.h" +#include "i40e_dcb.h" + +/** + * i40e_get_dcbx_status + * @hw: pointer to the hw struct + * @status: Embedded DCBX Engine Status + * + * Get the DCBX status from the Firmware + **/ +i40e_status i40e_get_dcbx_status(struct i40e_hw *hw, u16 *status) +{ + u32 reg; + + if (!status) + return I40E_ERR_PARAM; + + reg = rd32(hw, I40E_PRTDCB_GENS); + *status = (u16)((reg & I40E_PRTDCB_GENS_DCBX_STATUS_MASK) >> + I40E_PRTDCB_GENS_DCBX_STATUS_SHIFT); + + return 0; +} + +/** + * i40e_parse_ieee_etscfg_tlv + * @tlv: IEEE 802.1Qaz ETS CFG TLV + * @dcbcfg: Local store to update ETS CFG data + * + * Parses IEEE 802.1Qaz ETS CFG TLV + **/ +static void i40e_parse_ieee_etscfg_tlv(struct i40e_lldp_org_tlv *tlv, + struct i40e_dcbx_config *dcbcfg) +{ + struct i40e_ieee_ets_config *etscfg; + u8 *buf = tlv->tlvinfo; + u16 offset = 0; + u8 priority; + int i; + + /* First Octet post subtype + * -------------------------- + * |will-|CBS | Re- | Max | + * |ing | |served| TCs | + * -------------------------- + * |1bit | 1bit|3 bits|3bits| + */ + etscfg = &dcbcfg->etscfg; + etscfg->willing = (u8)((buf[offset] & I40E_IEEE_ETS_WILLING_MASK) >> + I40E_IEEE_ETS_WILLING_SHIFT); + etscfg->cbs = (u8)((buf[offset] & I40E_IEEE_ETS_CBS_MASK) >> + I40E_IEEE_ETS_CBS_SHIFT); + etscfg->maxtcs = (u8)((buf[offset] & I40E_IEEE_ETS_MAXTC_MASK) >> + I40E_IEEE_ETS_MAXTC_SHIFT); + + /* Move offset to Priority Assignment Table */ + offset++; + + /* Priority Assignment Table (4 octets) + * Octets:| 1 | 2 | 3 | 4 | + * ----------------------------------------- + * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| + * ----------------------------------------- + * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| + * ----------------------------------------- + */ + for (i = 0; i < 4; i++) { + priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_1_MASK) >> + I40E_IEEE_ETS_PRIO_1_SHIFT); + etscfg->prioritytable[i * 2] = priority; + priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_0_MASK) >> + I40E_IEEE_ETS_PRIO_0_SHIFT); + etscfg->prioritytable[i * 2 + 1] = priority; + offset++; + } + + /* TC Bandwidth Table (8 octets) + * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | + * --------------------------------- + * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| + * --------------------------------- + */ + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) + etscfg->tcbwtable[i] = buf[offset++]; + + /* TSA Assignment Table (8 octets) + * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | + * --------------------------------- + * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| + * --------------------------------- + */ + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) + etscfg->tsatable[i] = buf[offset++]; +} + +/** + * i40e_parse_ieee_etsrec_tlv + * @tlv: IEEE 802.1Qaz ETS REC TLV + * @dcbcfg: Local store to update ETS REC data + * + * Parses IEEE 802.1Qaz ETS REC TLV + **/ +static void i40e_parse_ieee_etsrec_tlv(struct i40e_lldp_org_tlv *tlv, + struct i40e_dcbx_config *dcbcfg) +{ + u8 *buf = tlv->tlvinfo; + u16 offset = 0; + u8 priority; + int i; + + /* Move offset to priority table */ + offset++; + + /* Priority Assignment Table (4 octets) + * Octets:| 1 | 2 | 3 | 4 | + * ----------------------------------------- + * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7| + * ----------------------------------------- + * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0| + * ----------------------------------------- + */ + for (i = 0; i < 4; i++) { + priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_1_MASK) >> + I40E_IEEE_ETS_PRIO_1_SHIFT); + dcbcfg->etsrec.prioritytable[i*2] = priority; + priority = (u8)((buf[offset] & I40E_IEEE_ETS_PRIO_0_MASK) >> + I40E_IEEE_ETS_PRIO_0_SHIFT); + dcbcfg->etsrec.prioritytable[i*2 + 1] = priority; + offset++; + } + + /* TC Bandwidth Table (8 octets) + * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | + * --------------------------------- + * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| + * --------------------------------- + */ + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) + dcbcfg->etsrec.tcbwtable[i] = buf[offset++]; + + /* TSA Assignment Table (8 octets) + * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | + * --------------------------------- + * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7| + * --------------------------------- + */ + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) + dcbcfg->etsrec.tsatable[i] = buf[offset++]; +} + +/** + * i40e_parse_ieee_pfccfg_tlv + * @tlv: IEEE 802.1Qaz PFC CFG TLV + * @dcbcfg: Local store to update PFC CFG data + * + * Parses IEEE 802.1Qaz PFC CFG TLV + **/ +static void i40e_parse_ieee_pfccfg_tlv(struct i40e_lldp_org_tlv *tlv, + struct i40e_dcbx_config *dcbcfg) +{ + u8 *buf = tlv->tlvinfo; + + /* ---------------------------------------- + * |will-|MBC | Re- | PFC | PFC Enable | + * |ing | |served| cap | | + * ----------------------------------------- + * |1bit | 1bit|2 bits|4bits| 1 octet | + */ + dcbcfg->pfc.willing = (u8)((buf[0] & I40E_IEEE_PFC_WILLING_MASK) >> + I40E_IEEE_PFC_WILLING_SHIFT); + dcbcfg->pfc.mbc = (u8)((buf[0] & I40E_IEEE_PFC_MBC_MASK) >> + I40E_IEEE_PFC_MBC_SHIFT); + dcbcfg->pfc.pfccap = (u8)((buf[0] & I40E_IEEE_PFC_CAP_MASK) >> + I40E_IEEE_PFC_CAP_SHIFT); + dcbcfg->pfc.pfcenable = buf[1]; +} + +/** + * i40e_parse_ieee_app_tlv + * @tlv: IEEE 802.1Qaz APP TLV + * @dcbcfg: Local store to update APP PRIO data + * + * Parses IEEE 802.1Qaz APP PRIO TLV + **/ +static void i40e_parse_ieee_app_tlv(struct i40e_lldp_org_tlv *tlv, + struct i40e_dcbx_config *dcbcfg) +{ + u16 typelength; + u16 offset = 0; + u16 length; + int i = 0; + u8 *buf; + + typelength = ntohs(tlv->typelength); + length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >> + I40E_LLDP_TLV_LEN_SHIFT); + buf = tlv->tlvinfo; + + /* The App priority table starts 5 octets after TLV header */ + length -= (sizeof(tlv->ouisubtype) + 1); + + /* Move offset to App Priority Table */ + offset++; + + /* Application Priority Table (3 octets) + * Octets:| 1 | 2 | 3 | + * ----------------------------------------- + * |Priority|Rsrvd| Sel | Protocol ID | + * ----------------------------------------- + * Bits:|23 21|20 19|18 16|15 0| + * ----------------------------------------- + */ + while (offset < length) { + dcbcfg->app[i].priority = (u8)((buf[offset] & + I40E_IEEE_APP_PRIO_MASK) >> + I40E_IEEE_APP_PRIO_SHIFT); + dcbcfg->app[i].selector = (u8)((buf[offset] & + I40E_IEEE_APP_SEL_MASK) >> + I40E_IEEE_APP_SEL_SHIFT); + dcbcfg->app[i].protocolid = (buf[offset + 1] << 0x8) | + buf[offset + 2]; + /* Move to next app */ + offset += 3; + i++; + if (i >= I40E_DCBX_MAX_APPS) + break; + } + + dcbcfg->numapps = i; +} + +/** + * i40e_parse_ieee_etsrec_tlv + * @tlv: IEEE 802.1Qaz TLV + * @dcbcfg: Local store to update ETS REC data + * + * Get the TLV subtype and send it to parsing function + * based on the subtype value + **/ +static void i40e_parse_ieee_tlv(struct i40e_lldp_org_tlv *tlv, + struct i40e_dcbx_config *dcbcfg) +{ + u32 ouisubtype; + u8 subtype; + + ouisubtype = ntohl(tlv->ouisubtype); + subtype = (u8)((ouisubtype & I40E_LLDP_TLV_SUBTYPE_MASK) >> + I40E_LLDP_TLV_SUBTYPE_SHIFT); + switch (subtype) { + case I40E_IEEE_SUBTYPE_ETS_CFG: + i40e_parse_ieee_etscfg_tlv(tlv, dcbcfg); + break; + case I40E_IEEE_SUBTYPE_ETS_REC: + i40e_parse_ieee_etsrec_tlv(tlv, dcbcfg); + break; + case I40E_IEEE_SUBTYPE_PFC_CFG: + i40e_parse_ieee_pfccfg_tlv(tlv, dcbcfg); + break; + case I40E_IEEE_SUBTYPE_APP_PRI: + i40e_parse_ieee_app_tlv(tlv, dcbcfg); + break; + default: + break; + } +} + +/** + * i40e_parse_org_tlv + * @tlv: Organization specific TLV + * @dcbcfg: Local store to update ETS REC data + * + * Currently only IEEE 802.1Qaz TLV is supported, all others + * will be returned + **/ +static void i40e_parse_org_tlv(struct i40e_lldp_org_tlv *tlv, + struct i40e_dcbx_config *dcbcfg) +{ + u32 ouisubtype; + u32 oui; + + ouisubtype = ntohl(tlv->ouisubtype); + oui = (u32)((ouisubtype & I40E_LLDP_TLV_OUI_MASK) >> + I40E_LLDP_TLV_OUI_SHIFT); + switch (oui) { + case I40E_IEEE_8021QAZ_OUI: + i40e_parse_ieee_tlv(tlv, dcbcfg); + break; + default: + break; + } +} + +/** + * i40e_lldp_to_dcb_config + * @lldpmib: LLDPDU to be parsed + * @dcbcfg: store for LLDPDU data + * + * Parse DCB configuration from the LLDPDU + **/ +i40e_status i40e_lldp_to_dcb_config(u8 *lldpmib, + struct i40e_dcbx_config *dcbcfg) +{ + i40e_status ret = 0; + struct i40e_lldp_org_tlv *tlv; + u16 type; + u16 length; + u16 typelength; + u16 offset = 0; + + if (!lldpmib || !dcbcfg) + return I40E_ERR_PARAM; + + /* set to the start of LLDPDU */ + lldpmib += ETH_HLEN; + tlv = (struct i40e_lldp_org_tlv *)lldpmib; + while (1) { + typelength = ntohs(tlv->typelength); + type = (u16)((typelength & I40E_LLDP_TLV_TYPE_MASK) >> + I40E_LLDP_TLV_TYPE_SHIFT); + length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >> + I40E_LLDP_TLV_LEN_SHIFT); + offset += sizeof(typelength) + length; + + /* END TLV or beyond LLDPDU size */ + if ((type == I40E_TLV_TYPE_END) || (offset > I40E_LLDPDU_SIZE)) + break; + + switch (type) { + case I40E_TLV_TYPE_ORG: + i40e_parse_org_tlv(tlv, dcbcfg); + break; + default: + break; + } + + /* Move to next TLV */ + tlv = (struct i40e_lldp_org_tlv *)((char *)tlv + + sizeof(tlv->typelength) + + length); + } + + return ret; +} + +/** + * i40e_aq_get_dcb_config + * @hw: pointer to the hw struct + * @mib_type: mib type for the query + * @bridgetype: bridge type for the query (remote) + * @dcbcfg: store for LLDPDU data + * + * Query DCB configuration from the Firmware + **/ +i40e_status i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type, + u8 bridgetype, + struct i40e_dcbx_config *dcbcfg) +{ + i40e_status ret = 0; + struct i40e_virt_mem mem; + u8 *lldpmib; + + /* Allocate the LLDPDU */ + ret = i40e_allocate_virt_mem(hw, &mem, I40E_LLDPDU_SIZE); + if (ret) + return ret; + + lldpmib = (u8 *)mem.va; + ret = i40e_aq_get_lldp_mib(hw, bridgetype, mib_type, + (void *)lldpmib, I40E_LLDPDU_SIZE, + NULL, NULL, NULL); + if (ret) + goto free_mem; + + /* Parse LLDP MIB to get dcb configuration */ + ret = i40e_lldp_to_dcb_config(lldpmib, dcbcfg); + +free_mem: + i40e_free_virt_mem(hw, &mem); + return ret; +} + +/** + * i40e_get_dcb_config + * @hw: pointer to the hw struct + * + * Get DCB configuration from the Firmware + **/ +i40e_status i40e_get_dcb_config(struct i40e_hw *hw) +{ + i40e_status ret = 0; + + /* Get Local DCB Config */ + ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_LOCAL, 0, + &hw->local_dcbx_config); + if (ret) + goto out; + + /* Get Remote DCB Config */ + ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_REMOTE, + I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, + &hw->remote_dcbx_config); +out: + return ret; +} + +/** + * i40e_init_dcb + * @hw: pointer to the hw struct + * + * Update DCB configuration from the Firmware + **/ +i40e_status i40e_init_dcb(struct i40e_hw *hw) +{ + i40e_status ret = 0; + + if (!hw->func_caps.dcb) + return ret; + + /* Get DCBX status */ + ret = i40e_get_dcbx_status(hw, &hw->dcbx_status); + if (ret) + return ret; + + /* Check the DCBX Status */ + switch (hw->dcbx_status) { + case I40E_DCBX_STATUS_DONE: + case I40E_DCBX_STATUS_IN_PROGRESS: + /* Get current DCBX configuration */ + ret = i40e_get_dcb_config(hw); + break; + case I40E_DCBX_STATUS_DISABLED: + return ret; + case I40E_DCBX_STATUS_NOT_STARTED: + case I40E_DCBX_STATUS_MULTIPLE_PEERS: + default: + break; + } + + /* Configure the LLDP MIB change event */ + ret = i40e_aq_cfg_lldp_mib_change_event(hw, true, NULL); + if (ret) + return ret; + + return ret; +} diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.h b/drivers/net/ethernet/intel/i40e/i40e_dcb.h new file mode 100644 index 00000000000..34cf1c30c7f --- /dev/null +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.h @@ -0,0 +1,107 @@ +/******************************************************************************* + * + * Intel Ethernet Controller XL710 Family Linux Driver + * Copyright(c) 2013 - 2014 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, see <http://www.gnu.org/licenses/>. + * + * 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 _I40E_DCB_H_ +#define _I40E_DCB_H_ + +#include "i40e_type.h" + +#define I40E_DCBX_STATUS_NOT_STARTED 0 +#define I40E_DCBX_STATUS_IN_PROGRESS 1 +#define I40E_DCBX_STATUS_DONE 2 +#define I40E_DCBX_STATUS_MULTIPLE_PEERS 3 +#define I40E_DCBX_STATUS_DISABLED 7 + +#define I40E_TLV_TYPE_END 0 +#define I40E_TLV_TYPE_ORG 127 + +#define I40E_IEEE_8021QAZ_OUI 0x0080C2 +#define I40E_IEEE_SUBTYPE_ETS_CFG 9 +#define I40E_IEEE_SUBTYPE_ETS_REC 10 +#define I40E_IEEE_SUBTYPE_PFC_CFG 11 +#define I40E_IEEE_SUBTYPE_APP_PRI 12 + +/* Defines for LLDP TLV header */ +#define I40E_LLDP_TLV_LEN_SHIFT 0 +#define I40E_LLDP_TLV_LEN_MASK (0x01FF << I40E_LLDP_TLV_LEN_SHIFT) +#define I40E_LLDP_TLV_TYPE_SHIFT 9 +#define I40E_LLDP_TLV_TYPE_MASK (0x7F << I40E_LLDP_TLV_TYPE_SHIFT) +#define I40E_LLDP_TLV_SUBTYPE_SHIFT 0 +#define I40E_LLDP_TLV_SUBTYPE_MASK (0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT) +#define I40E_LLDP_TLV_OUI_SHIFT 8 +#define I40E_LLDP_TLV_OUI_MASK (0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT) + +/* Defines for IEEE ETS TLV */ +#define I40E_IEEE_ETS_MAXTC_SHIFT 0 +#define I40E_IEEE_ETS_MAXTC_MASK (0x7 << I40E_IEEE_ETS_MAXTC_SHIFT) +#define I40E_IEEE_ETS_CBS_SHIFT 6 +#define I40E_IEEE_ETS_CBS_MASK (0x1 << I40E_IEEE_ETS_CBS_SHIFT) +#define I40E_IEEE_ETS_WILLING_SHIFT 7 +#define I40E_IEEE_ETS_WILLING_MASK (0x1 << I40E_IEEE_ETS_WILLING_SHIFT) +#define I40E_IEEE_ETS_PRIO_0_SHIFT 0 +#define I40E_IEEE_ETS_PRIO_0_MASK (0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT) +#define I40E_IEEE_ETS_PRIO_1_SHIFT 4 +#define I40E_IEEE_ETS_PRIO_1_MASK (0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT) + +/* Defines for IEEE TSA types */ +#define I40E_IEEE_TSA_STRICT 0 +#define I40E_IEEE_TSA_ETS 2 + +/* Defines for IEEE PFC TLV */ +#define I40E_IEEE_PFC_CAP_SHIFT 0 +#define I40E_IEEE_PFC_CAP_MASK (0xF << I40E_IEEE_PFC_CAP_SHIFT) +#define I40E_IEEE_PFC_MBC_SHIFT 6 +#define I40E_IEEE_PFC_MBC_MASK (0x1 << I40E_IEEE_PFC_MBC_SHIFT) +#define I40E_IEEE_PFC_WILLING_SHIFT 7 +#define I40E_IEEE_PFC_WILLING_MASK (0x1 << I40E_IEEE_PFC_WILLING_SHIFT) + +/* Defines for IEEE APP TLV */ +#define I40E_IEEE_APP_SEL_SHIFT 0 +#define I40E_IEEE_APP_SEL_MASK (0x7 << I40E_IEEE_APP_SEL_SHIFT) +#define I40E_IEEE_APP_PRIO_SHIFT 5 +#define I40E_IEEE_APP_PRIO_MASK (0x7 << I40E_IEEE_APP_PRIO_SHIFT) + + +#pragma pack(1) + +/* IEEE 802.1AB LLDP Organization specific TLV */ +struct i40e_lldp_org_tlv { + __be16 typelength; + __be32 ouisubtype; + u8 tlvinfo[1]; +}; +#pragma pack() + +i40e_status i40e_get_dcbx_status(struct i40e_hw *hw, + u16 *status); +i40e_status i40e_lldp_to_dcb_config(u8 *lldpmib, + struct i40e_dcbx_config *dcbcfg); +i40e_status i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type, + u8 bridgetype, + struct i40e_dcbx_config *dcbcfg); +i40e_status i40e_get_dcb_config(struct i40e_hw *hw); +i40e_status i40e_init_dcb(struct i40e_hw *hw); +#endif /* _I40E_DCB_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c new file mode 100644 index 00000000000..00bc0cdb3a0 --- /dev/null +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c @@ -0,0 +1,316 @@ +/******************************************************************************* + * + * Intel Ethernet Controller XL710 Family Linux Driver + * Copyright(c) 2013 - 2014 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, see <http://www.gnu.org/licenses/>. + * + * 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 + * + ******************************************************************************/ + +#ifdef CONFIG_I40E_DCB +#include "i40e.h" +#include <net/dcbnl.h> + +/** + * i40e_get_pfc_delay - retrieve PFC Link Delay + * @hw: pointer to hardware struct + * @delay: holds the PFC Link delay value + * + * Returns PFC Link Delay from the PRTDCB_GENC.PFCLDA + **/ +static void i40e_get_pfc_delay(struct i40e_hw *hw, u16 *delay) +{ + u32 val; + + val = rd32(hw, I40E_PRTDCB_GENC); + *delay = (u16)(val & I40E_PRTDCB_GENC_PFCLDA_MASK >> + I40E_PRTDCB_GENC_PFCLDA_SHIFT); +} + +/** + * i40e_dcbnl_ieee_getets - retrieve local IEEE ETS configuration + * @netdev: the corresponding netdev + * @ets: structure to hold the ETS information + * + * Returns local IEEE ETS configuration + **/ +static int i40e_dcbnl_ieee_getets(struct net_device *dev, + struct ieee_ets *ets) +{ + struct i40e_pf *pf = i40e_netdev_to_pf(dev); + struct i40e_dcbx_config *dcbxcfg; + struct i40e_hw *hw = &pf->hw; + + if (!(pf->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) + return -EINVAL; + + dcbxcfg = &hw->local_dcbx_config; + ets->willing = dcbxcfg->etscfg.willing; + ets->ets_cap = dcbxcfg->etscfg.maxtcs; + ets->cbs = dcbxcfg->etscfg.cbs; + memcpy(ets->tc_tx_bw, dcbxcfg->etscfg.tcbwtable, + sizeof(ets->tc_tx_bw)); + memcpy(ets->tc_rx_bw, dcbxcfg->etscfg.tcbwtable, + sizeof(ets->tc_rx_bw)); + memcpy(ets->tc_tsa, dcbxcfg->etscfg.tsatable, + sizeof(ets->tc_tsa)); + memcpy(ets->prio_tc, dcbxcfg->etscfg.prioritytable, + sizeof(ets->prio_tc)); + memcpy(ets->tc_reco_bw, dcbxcfg->etsrec.tcbwtable, + sizeof(ets->tc_reco_bw)); + memcpy(ets->tc_reco_tsa, dcbxcfg->etsrec.tsatable, + sizeof(ets->tc_reco_tsa)); + memcpy(ets->reco_prio_tc, dcbxcfg->etscfg.prioritytable, + sizeof(ets->reco_prio_tc)); + + return 0; +} + +/** + * i40e_dcbnl_ieee_getpfc - retrieve local IEEE PFC configuration + * @netdev: the corresponding netdev + * @ets: structure to hold the PFC information + * + * Returns local IEEE PFC configuration + **/ +static int i40e_dcbnl_ieee_getpfc(struct net_device *dev, + struct ieee_pfc *pfc) +{ + struct i40e_pf *pf = i40e_netdev_to_pf(dev); + struct i40e_dcbx_config *dcbxcfg; + struct i40e_hw *hw = &pf->hw; + int i; + + if (!(pf->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) + return -EINVAL; + + dcbxcfg = &hw->local_dcbx_config; + pfc->pfc_cap = dcbxcfg->pfc.pfccap; + pfc->pfc_en = dcbxcfg->pfc.pfcenable; + pfc->mbc = dcbxcfg->pfc.mbc; + i40e_get_pfc_delay(hw, &pfc->delay); + + /* Get Requests/Indicatiosn */ + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + pfc->requests[i] = pf->stats.priority_xoff_tx[i]; + pfc->indications[i] = pf->stats.priority_xoff_rx[i]; + } + + return 0; +} + +/** + * i40e_dcbnl_getdcbx - retrieve current DCBx capability + * @netdev: the corresponding netdev + * + * Returns DCBx capability features + **/ +static u8 i40e_dcbnl_getdcbx(struct net_device *dev) +{ + struct i40e_pf *pf = i40e_netdev_to_pf(dev); + + return pf->dcbx_cap; +} + +/** + * i40e_dcbnl_get_perm_hw_addr - MAC address used by DCBx + * @netdev: the corresponding netdev + * + * Returns the SAN MAC address used for LLDP exchange + **/ +static void i40e_dcbnl_get_perm_hw_addr(struct net_device *dev, + u8 *perm_addr) +{ + struct i40e_pf *pf = i40e_netdev_to_pf(dev); + int i, j; + + memset(perm_addr, 0xff, MAX_ADDR_LEN); + + for (i = 0; i < dev->addr_len; i++) + perm_addr[i] = pf->hw.mac.perm_addr[i]; + + for (j = 0; j < dev->addr_len; j++, i++) + perm_addr[i] = pf->hw.mac.san_addr[j]; +} + +static const struct dcbnl_rtnl_ops dcbnl_ops = { + .ieee_getets = i40e_dcbnl_ieee_getets, + .ieee_getpfc = i40e_dcbnl_ieee_getpfc, + .getdcbx = i40e_dcbnl_getdcbx, + .getpermhwaddr = i40e_dcbnl_get_perm_hw_addr, +}; + +/** + * i40e_dcbnl_set_all - set all the apps and ieee data from DCBx config + * @vsi: the corresponding vsi + * + * Set up all the IEEE APPs in the DCBNL App Table and generate event for + * other settings + **/ +void i40e_dcbnl_set_all(struct i40e_vsi *vsi) +{ + struct net_device *dev = vsi->netdev; + struct i40e_pf *pf = i40e_netdev_to_pf(dev); + struct i40e_dcbx_config *dcbxcfg; + struct i40e_hw *hw = &pf->hw; + struct dcb_app sapp; + u8 prio, tc_map; + int i; + + /* DCB not enabled */ + if (!(pf->flags & I40E_FLAG_DCB_ENABLED)) + return; + + dcbxcfg = &hw->local_dcbx_config; + + /* Set up all the App TLVs if DCBx is negotiated */ + for (i = 0; i < dcbxcfg->numapps; i++) { + prio = dcbxcfg->app[i].priority; + tc_map = (1 << dcbxcfg->etscfg.prioritytable[prio]); + + /* Add APP only if the TC is enabled for this VSI */ + if (tc_map & vsi->tc_config.enabled_tc) { + sapp.selector = dcbxcfg->app[i].selector; + sapp.protocol = dcbxcfg->app[i].protocolid; + sapp.priority = prio; + dcb_ieee_setapp(dev, &sapp); + } + } + + /* Notify user-space of the changes */ + dcbnl_ieee_notify(dev, RTM_SETDCB, DCB_CMD_IEEE_SET, 0, 0); +} + +/** + * i40e_dcbnl_vsi_del_app - Delete APP for given VSI + * @vsi: the corresponding vsi + * @app: APP to delete + * + * Delete given APP from the DCBNL APP table for given + * VSI + **/ +static int i40e_dcbnl_vsi_del_app(struct i40e_vsi *vsi, + struct i40e_ieee_app_priority_table *app) +{ + struct net_device *dev = vsi->netdev; + struct dcb_app sapp; + + if (!dev) + return -EINVAL; + + sapp.selector = app->selector; + sapp.protocol = app->protocolid; + sapp.priority = app->priority; + return dcb_ieee_delapp(dev, &sapp); +} + +/** + * i40e_dcbnl_del_app - Delete APP on all VSIs + * @pf: the corresponding pf + * @app: APP to delete + * + * Delete given APP from all the VSIs for given PF + **/ +static void i40e_dcbnl_del_app(struct i40e_pf *pf, + struct i40e_ieee_app_priority_table *app) +{ + int v, err; + for (v = 0; v < pf->num_alloc_vsi; v++) { + if (pf->vsi[v] && pf->vsi[v]->netdev) { + err = i40e_dcbnl_vsi_del_app(pf->vsi[v], app); + if (err) + dev_info(&pf->pdev->dev, "%s: Failed deleting app for VSI seid=%d err=%d sel=%d proto=0x%x prio=%d\n", + __func__, pf->vsi[v]->seid, + err, app->selector, + app->protocolid, app->priority); + } + } +} + +/** + * i40e_dcbnl_find_app - Search APP in given DCB config + * @cfg: DCBX configuration data + * @app: APP to search for + * + * Find given APP in the DCB configuration + **/ +static bool i40e_dcbnl_find_app(struct i40e_dcbx_config *cfg, + struct i40e_ieee_app_priority_table *app) +{ + int i; + + for (i = 0; i < cfg->numapps; i++) { + if (app->selector == cfg->app[i].selector && + app->protocolid == cfg->app[i].protocolid && + app->priority == cfg->app[i].priority) + return true; + } + + return false; +} + +/** + * i40e_dcbnl_flush_apps - Delete all removed APPs + * @pf: the corresponding pf + * @new_cfg: new DCBX configuration data + * + * Find and delete all APPs that are not present in the passed + * DCB configuration + **/ +void i40e_dcbnl_flush_apps(struct i40e_pf *pf, + struct i40e_dcbx_config *new_cfg) +{ + struct i40e_ieee_app_priority_table app; + struct i40e_dcbx_config *dcbxcfg; + struct i40e_hw *hw = &pf->hw; + int i; + + dcbxcfg = &hw->local_dcbx_config; + for (i = 0; i < dcbxcfg->numapps; i++) { + app = dcbxcfg->app[i]; + /* The APP is not available anymore delete it */ + if (!i40e_dcbnl_find_app(new_cfg, &app)) + i40e_dcbnl_del_app(pf, &app); + } +} + +/** + * i40e_dcbnl_setup - DCBNL setup + * @vsi: the corresponding vsi + * + * Set up DCBNL ops and initial APP TLVs + **/ +void i40e_dcbnl_setup(struct i40e_vsi *vsi) +{ + struct net_device *dev = vsi->netdev; + struct i40e_pf *pf = i40e_netdev_to_pf(dev); + + /* Not DCB capable */ + if (!(pf->flags & I40E_FLAG_DCB_CAPABLE)) + return; + + /* Do not setup DCB NL ops for MFP mode */ + if (!(pf->flags & I40E_FLAG_MFP_ENABLED)) + dev->dcbnl_ops = &dcbnl_ops; + + /* Set initial IEEE DCB settings */ + i40e_dcbnl_set_all(vsi); +} +#endif /* CONFIG_I40E_DCB */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index 8dbd91f64b7..cffdfc21290 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -46,7 +45,7 @@ static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) if (seid < 0) dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); else - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) return pf->vsi[i]; @@ -151,9 +150,7 @@ static ssize_t i40e_dbg_dump_write(struct file *filp, size_t count, loff_t *ppos) { struct i40e_pf *pf = filp->private_data; - char dump_request_buf[16]; bool seid_found = false; - int bytes_not_copied; long seid = -1; int buflen = 0; int i, ret; @@ -163,21 +160,12 @@ static ssize_t i40e_dbg_dump_write(struct file *filp, /* don't allow partial writes */ if (*ppos != 0) return 0; - if (count >= sizeof(dump_request_buf)) - return -ENOSPC; - - bytes_not_copied = copy_from_user(dump_request_buf, buffer, count); - if (bytes_not_copied < 0) - return bytes_not_copied; - if (bytes_not_copied > 0) - count -= bytes_not_copied; - dump_request_buf[count] = '\0'; /* decode the SEID given to be dumped */ - ret = kstrtol(dump_request_buf, 0, &seid); - if (ret < 0) { - dev_info(&pf->pdev->dev, "bad seid value '%s'\n", - dump_request_buf); + ret = kstrtol_from_user(buffer, count, 0, &seid); + + if (ret) { + dev_info(&pf->pdev->dev, "bad seid value\n"); } else if (seid == 0) { seid_found = true; @@ -203,12 +191,12 @@ static ssize_t i40e_dbg_dump_write(struct file *filp, len = (sizeof(struct i40e_aq_desc) * pf->hw.aq.num_asq_entries); - memcpy(p, pf->hw.aq.asq.desc, len); + memcpy(p, pf->hw.aq.asq.desc_buf.va, len); p += len; len = (sizeof(struct i40e_aq_desc) * pf->hw.aq.num_arq_entries); - memcpy(p, pf->hw.aq.arq.desc, len); + memcpy(p, pf->hw.aq.arq.desc_buf.va, len); p += len; i40e_dbg_dump_data_len = buflen; @@ -245,26 +233,33 @@ static ssize_t i40e_dbg_dump_write(struct file *filp, memcpy(p, vsi, len); p += len; - len = (sizeof(struct i40e_q_vector) - * vsi->num_q_vectors); - memcpy(p, vsi->q_vectors, len); - p += len; - - len = (sizeof(struct i40e_ring) * vsi->num_queue_pairs); - memcpy(p, vsi->tx_rings, len); - p += len; - memcpy(p, vsi->rx_rings, len); - p += len; + if (vsi->num_q_vectors) { + len = (sizeof(struct i40e_q_vector) + * vsi->num_q_vectors); + memcpy(p, vsi->q_vectors, len); + p += len; + } - for (i = 0; i < vsi->num_queue_pairs; i++) { - len = sizeof(struct i40e_tx_buffer); - memcpy(p, vsi->tx_rings[i].tx_bi, len); + if (vsi->num_queue_pairs) { + len = (sizeof(struct i40e_ring) * + vsi->num_queue_pairs); + memcpy(p, vsi->tx_rings, len); + p += len; + memcpy(p, vsi->rx_rings, len); p += len; } - for (i = 0; i < vsi->num_queue_pairs; i++) { + + if (vsi->tx_rings[0]) { + len = sizeof(struct i40e_tx_buffer); + for (i = 0; i < vsi->num_queue_pairs; i++) { + memcpy(p, vsi->tx_rings[i]->tx_bi, len); + p += len; + } len = sizeof(struct i40e_rx_buffer); - memcpy(p, vsi->rx_rings[i].rx_bi, len); - p += len; + for (i = 0; i < vsi->num_queue_pairs; i++) { + memcpy(p, vsi->rx_rings[i]->rx_bi, len); + p += len; + } } /* macvlan filter list */ @@ -366,7 +361,7 @@ static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, } /** - * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into pokem datum + * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum * @pf: the i40e_pf created in command write * @seid: the seid the user put in **/ @@ -484,100 +479,105 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", vsi->tx_restart, vsi->tx_busy, vsi->rx_buf_failed, vsi->rx_page_failed); - if (vsi->rx_rings) { - for (i = 0; i < vsi->num_queue_pairs; i++) { - dev_info(&pf->pdev->dev, - " rx_rings[%i]: desc = %p\n", - i, vsi->rx_rings[i].desc); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", - i, vsi->rx_rings[i].dev, - vsi->rx_rings[i].netdev, - vsi->rx_rings[i].rx_bi); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", - i, vsi->rx_rings[i].state, - vsi->rx_rings[i].queue_index, - vsi->rx_rings[i].reg_idx); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", - i, vsi->rx_rings[i].rx_hdr_len, - vsi->rx_rings[i].rx_buf_len, - vsi->rx_rings[i].dtype); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", - i, vsi->rx_rings[i].hsplit, - vsi->rx_rings[i].next_to_use, - vsi->rx_rings[i].next_to_clean, - vsi->rx_rings[i].ring_active); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", - i, vsi->rx_rings[i].rx_stats.packets, - vsi->rx_rings[i].rx_stats.bytes, - vsi->rx_rings[i].rx_stats.non_eop_descs); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: rx_stats: alloc_rx_page_failed = %lld, alloc_rx_buff_failed = %lld\n", - i, - vsi->rx_rings[i].rx_stats.alloc_rx_page_failed, - vsi->rx_rings[i].rx_stats.alloc_rx_buff_failed); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: size = %i, dma = 0x%08lx\n", - i, vsi->rx_rings[i].size, - (long unsigned int)vsi->rx_rings[i].dma); - dev_info(&pf->pdev->dev, - " rx_rings[%i]: vsi = %p, q_vector = %p\n", - i, vsi->rx_rings[i].vsi, - vsi->rx_rings[i].q_vector); - } + rcu_read_lock(); + for (i = 0; i < vsi->num_queue_pairs; i++) { + struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); + if (!rx_ring) + continue; + + dev_info(&pf->pdev->dev, + " rx_rings[%i]: desc = %p\n", + i, rx_ring->desc); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", + i, rx_ring->dev, + rx_ring->netdev, + rx_ring->rx_bi); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", + i, rx_ring->state, + rx_ring->queue_index, + rx_ring->reg_idx); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", + i, rx_ring->rx_hdr_len, + rx_ring->rx_buf_len, + rx_ring->dtype); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", + i, rx_ring->hsplit, + rx_ring->next_to_use, + rx_ring->next_to_clean, + rx_ring->ring_active); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", + i, rx_ring->stats.packets, + rx_ring->stats.bytes, + rx_ring->rx_stats.non_eop_descs); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", + i, + rx_ring->rx_stats.alloc_page_failed, + rx_ring->rx_stats.alloc_buff_failed); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: size = %i, dma = 0x%08lx\n", + i, rx_ring->size, + (long unsigned int)rx_ring->dma); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: vsi = %p, q_vector = %p\n", + i, rx_ring->vsi, + rx_ring->q_vector); } - if (vsi->tx_rings) { - for (i = 0; i < vsi->num_queue_pairs; i++) { - dev_info(&pf->pdev->dev, - " tx_rings[%i]: desc = %p\n", - i, vsi->tx_rings[i].desc); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", - i, vsi->tx_rings[i].dev, - vsi->tx_rings[i].netdev, - vsi->tx_rings[i].tx_bi); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", - i, vsi->tx_rings[i].state, - vsi->tx_rings[i].queue_index, - vsi->tx_rings[i].reg_idx); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: dtype = %d\n", - i, vsi->tx_rings[i].dtype); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", - i, vsi->tx_rings[i].hsplit, - vsi->tx_rings[i].next_to_use, - vsi->tx_rings[i].next_to_clean, - vsi->tx_rings[i].ring_active); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", - i, vsi->tx_rings[i].tx_stats.packets, - vsi->tx_rings[i].tx_stats.bytes, - vsi->tx_rings[i].tx_stats.restart_queue); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: tx_stats: tx_busy = %lld, completed = %lld, tx_done_old = %lld\n", - i, - vsi->tx_rings[i].tx_stats.tx_busy, - vsi->tx_rings[i].tx_stats.completed, - vsi->tx_rings[i].tx_stats.tx_done_old); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: size = %i, dma = 0x%08lx\n", - i, vsi->tx_rings[i].size, - (long unsigned int)vsi->tx_rings[i].dma); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: vsi = %p, q_vector = %p\n", - i, vsi->tx_rings[i].vsi, - vsi->tx_rings[i].q_vector); - dev_info(&pf->pdev->dev, - " tx_rings[%i]: DCB tc = %d\n", - i, vsi->tx_rings[i].dcb_tc); - } + for (i = 0; i < vsi->num_queue_pairs; i++) { + struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); + if (!tx_ring) + continue; + + dev_info(&pf->pdev->dev, + " tx_rings[%i]: desc = %p\n", + i, tx_ring->desc); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", + i, tx_ring->dev, + tx_ring->netdev, + tx_ring->tx_bi); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", + i, tx_ring->state, + tx_ring->queue_index, + tx_ring->reg_idx); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: dtype = %d\n", + i, tx_ring->dtype); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", + i, tx_ring->hsplit, + tx_ring->next_to_use, + tx_ring->next_to_clean, + tx_ring->ring_active); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", + i, tx_ring->stats.packets, + tx_ring->stats.bytes, + tx_ring->tx_stats.restart_queue); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", + i, + tx_ring->tx_stats.tx_busy, + tx_ring->tx_stats.tx_done_old); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: size = %i, dma = 0x%08lx\n", + i, tx_ring->size, + (long unsigned int)tx_ring->dma); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: vsi = %p, q_vector = %p\n", + i, tx_ring->vsi, + tx_ring->q_vector); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: DCB tc = %d\n", + i, tx_ring->dcb_tc); } + rcu_read_unlock(); dev_info(&pf->pdev->dev, " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n", vsi->work_limit, vsi->rx_itr_setting, @@ -587,15 +587,6 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) dev_info(&pf->pdev->dev, " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n", vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype); - if (vsi->q_vectors) { - for (i = 0; i < vsi->num_q_vectors; i++) { - dev_info(&pf->pdev->dev, - " q_vectors[%i]: base index = %ld\n", - i, ((long int)*vsi->q_vectors[i].rx.ring- - (long int)*vsi->q_vectors[0].rx.ring)/ - sizeof(struct i40e_ring)); - } - } dev_info(&pf->pdev->dev, " num_q_vectors = %i, base_vector = %i\n", vsi->num_q_vectors, vsi->base_vector); @@ -716,8 +707,13 @@ static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) { struct i40e_adminq_ring *ring; struct i40e_hw *hw = &pf->hw; + char hdr[32]; int i; + snprintf(hdr, sizeof(hdr), "%s %s: ", + dev_driver_string(&pf->pdev->dev), + dev_name(&pf->pdev->dev)); + /* first the send (command) ring, then the receive (event) ring */ dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); ring = &(hw->aq.asq); @@ -727,14 +723,8 @@ static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", i, d->flags, d->opcode, d->datalen, d->retval, d->cookie_high, d->cookie_low); - dev_info(&pf->pdev->dev, - " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", - d->params.raw[0], d->params.raw[1], d->params.raw[2], - d->params.raw[3], d->params.raw[4], d->params.raw[5], - d->params.raw[6], d->params.raw[7], d->params.raw[8], - d->params.raw[9], d->params.raw[10], d->params.raw[11], - d->params.raw[12], d->params.raw[13], - d->params.raw[14], d->params.raw[15]); + print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, + 16, 1, d->params.raw, 16, 0); } dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); @@ -745,14 +735,8 @@ static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", i, d->flags, d->opcode, d->datalen, d->retval, d->cookie_high, d->cookie_low); - dev_info(&pf->pdev->dev, - " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", - d->params.raw[0], d->params.raw[1], d->params.raw[2], - d->params.raw[3], d->params.raw[4], d->params.raw[5], - d->params.raw[6], d->params.raw[7], d->params.raw[8], - d->params.raw[9], d->params.raw[10], d->params.raw[11], - d->params.raw[12], d->params.raw[13], - d->params.raw[14], d->params.raw[15]); + print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, + 16, 1, d->params.raw, 16, 0); } } @@ -768,53 +752,56 @@ static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, struct i40e_pf *pf, bool is_rx_ring) { - union i40e_rx_desc *ds; + struct i40e_tx_desc *txd; + union i40e_rx_desc *rxd; struct i40e_ring ring; struct i40e_vsi *vsi; int i; vsi = i40e_dbg_find_vsi(pf, vsi_seid); if (!vsi) { - dev_info(&pf->pdev->dev, - "vsi %d not found\n", vsi_seid); - if (is_rx_ring) - dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); - else - dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); + dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); return; } if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); - if (is_rx_ring) - dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); - else - dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); + return; + } + if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { + dev_info(&pf->pdev->dev, + "descriptor rings have not been allocated for vsi %d\n", + vsi_seid); return; } if (is_rx_ring) - ring = vsi->rx_rings[ring_id]; + ring = *vsi->rx_rings[ring_id]; else - ring = vsi->tx_rings[ring_id]; + ring = *vsi->tx_rings[ring_id]; if (cnt == 2) { dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); for (i = 0; i < ring.count; i++) { - if (is_rx_ring) - ds = I40E_RX_DESC(&ring, i); - else - ds = (union i40e_rx_desc *) - I40E_TX_DESC(&ring, i); - if ((sizeof(union i40e_rx_desc) == - sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring)) + if (!is_rx_ring) { + txd = I40E_TX_DESC(&ring, i); dev_info(&pf->pdev->dev, - " d[%03i] = 0x%016llx 0x%016llx\n", i, - ds->read.pkt_addr, ds->read.hdr_addr); - else + " d[%03i] = 0x%016llx 0x%016llx\n", + i, txd->buffer_addr, + txd->cmd_type_offset_bsz); + } else if (sizeof(union i40e_rx_desc) == + sizeof(union i40e_16byte_rx_desc)) { + rxd = I40E_RX_DESC(&ring, i); + dev_info(&pf->pdev->dev, + " d[%03i] = 0x%016llx 0x%016llx\n", + i, rxd->read.pkt_addr, + rxd->read.hdr_addr); + } else { + rxd = I40E_RX_DESC(&ring, i); dev_info(&pf->pdev->dev, " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", - i, ds->read.pkt_addr, - ds->read.hdr_addr, - ds->read.rsvd1, ds->read.rsvd2); + i, rxd->read.pkt_addr, + rxd->read.hdr_addr, + rxd->read.rsvd1, rxd->read.rsvd2); + } } } else if (cnt == 3) { if (desc_n >= ring.count || desc_n < 0) { @@ -822,27 +809,29 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, "descriptor %d not found\n", desc_n); return; } - if (is_rx_ring) - ds = I40E_RX_DESC(&ring, desc_n); - else - ds = (union i40e_rx_desc *)I40E_TX_DESC(&ring, desc_n); - if ((sizeof(union i40e_rx_desc) == - sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring)) - dev_info(&pf->pdev->dev, - "vsi = %02i %s ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", - vsi_seid, is_rx_ring ? "rx" : "tx", ring_id, - desc_n, ds->read.pkt_addr, ds->read.hdr_addr); - else + if (!is_rx_ring) { + txd = I40E_TX_DESC(&ring, desc_n); + dev_info(&pf->pdev->dev, + "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", + vsi_seid, ring_id, desc_n, + txd->buffer_addr, txd->cmd_type_offset_bsz); + } else if (sizeof(union i40e_rx_desc) == + sizeof(union i40e_16byte_rx_desc)) { + rxd = I40E_RX_DESC(&ring, desc_n); + dev_info(&pf->pdev->dev, + "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", + vsi_seid, ring_id, desc_n, + rxd->read.pkt_addr, rxd->read.hdr_addr); + } else { + rxd = I40E_RX_DESC(&ring, desc_n); dev_info(&pf->pdev->dev, "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", - vsi_seid, ring_id, - desc_n, ds->read.pkt_addr, ds->read.hdr_addr, - ds->read.rsvd1, ds->read.rsvd2); + vsi_seid, ring_id, desc_n, + rxd->read.pkt_addr, rxd->read.hdr_addr, + rxd->read.rsvd1, rxd->read.rsvd2); + } } else { - if (is_rx_ring) - dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); - else - dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); + dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); } } @@ -854,7 +843,7 @@ static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) { int i; - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i]) dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", i, pf->vsi[i]->seid); @@ -873,12 +862,11 @@ static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); dev_info(&pf->pdev->dev, - " rx_broadcast = \t%lld \trx_discards = \t\t%lld \trx_errors = \t%lld\n", - estats->rx_broadcast, estats->rx_discards, estats->rx_errors); + " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", + estats->rx_broadcast, estats->rx_discards); dev_info(&pf->pdev->dev, - " rx_missed = \t%lld \trx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", - estats->rx_missed, estats->rx_unknown_protocol, - estats->tx_bytes); + " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", + estats->rx_unknown_protocol, estats->tx_bytes); dev_info(&pf->pdev->dev, " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); @@ -988,8 +976,7 @@ static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) veb = i40e_dbg_find_veb(pf, seid); if (!veb) { - dev_info(&pf->pdev->dev, - "%d: can't find veb\n", seid); + dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); return; } dev_info(&pf->pdev->dev, @@ -1015,6 +1002,24 @@ static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) } } +/** + * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR + * @pf: the pf that would be altered + * @flag: flag that needs enabling or disabling + * @enable: Enable/disable FD SD/ATR + **/ +static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable) +{ + if (enable) { + pf->flags |= flag; + } else { + pf->flags &= ~flag; + pf->auto_disable_flags |= flag; + } + dev_info(&pf->pdev->dev, "requesting a pf reset\n"); + i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); +} + #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) /** * i40e_dbg_command_write - write into command datum @@ -1028,11 +1033,9 @@ static ssize_t i40e_dbg_command_write(struct file *filp, size_t count, loff_t *ppos) { struct i40e_pf *pf = filp->private_data; + char *cmd_buf, *cmd_buf_tmp; int bytes_not_copied; struct i40e_vsi *vsi; - u8 *print_buf_start; - u8 *print_buf; - char *cmd_buf; int vsi_seid; int veb_seid; int cnt; @@ -1051,10 +1054,11 @@ static ssize_t i40e_dbg_command_write(struct file *filp, count -= bytes_not_copied; cmd_buf[count] = '\0'; - print_buf_start = kzalloc(I40E_MAX_DEBUG_OUT_BUFFER, GFP_KERNEL); - if (!print_buf_start) - goto command_write_done; - print_buf = print_buf_start; + cmd_buf_tmp = strchr(cmd_buf, '\n'); + if (cmd_buf_tmp) { + *cmd_buf_tmp = '\0'; + count = cmd_buf_tmp - cmd_buf + 1; + } if (strncmp(cmd_buf, "add vsi", 7) == 0) { vsi_seid = -1; @@ -1107,7 +1111,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp, vsi = i40e_dbg_find_vsi(pf, vsi_seid); if (!vsi) { dev_info(&pf->pdev->dev, - "add relay: vsi VSI %d not found\n", vsi_seid); + "add relay: VSI %d not found\n", vsi_seid); goto command_write_done; } @@ -1157,9 +1161,9 @@ static ssize_t i40e_dbg_command_write(struct file *filp, i40e_veb_release(pf->veb[i]); } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { - u8 ma[6]; - int vlan = 0; struct i40e_mac_filter *f; + int vlan = 0; + u8 ma[6]; int ret; cnt = sscanf(&cmd_buf[11], @@ -1195,8 +1199,8 @@ static ssize_t i40e_dbg_command_write(struct file *filp, ma, vlan, vsi_seid, f, ret); } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { - u8 ma[6]; int vlan = 0; + u8 ma[6]; int ret; cnt = sscanf(&cmd_buf[11], @@ -1232,9 +1236,9 @@ static ssize_t i40e_dbg_command_write(struct file *filp, ma, vlan, vsi_seid, ret); } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { - int v; - u16 vid; i40e_status ret; + u16 vid; + int v; cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); if (cnt != 2) { @@ -1464,21 +1468,25 @@ static ssize_t i40e_dbg_command_write(struct file *filp, pf->msg_enable); } } else if (strncmp(cmd_buf, "pfr", 3) == 0) { - dev_info(&pf->pdev->dev, "forcing PFR\n"); - i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); + dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); } else if (strncmp(cmd_buf, "corer", 5) == 0) { - dev_info(&pf->pdev->dev, "forcing CoreR\n"); - i40e_do_reset(pf, (1 << __I40E_CORE_RESET_REQUESTED)); + dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED)); } else if (strncmp(cmd_buf, "globr", 5) == 0) { - dev_info(&pf->pdev->dev, "forcing GlobR\n"); - i40e_do_reset(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); + dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); + + } else if (strncmp(cmd_buf, "empr", 4) == 0) { + dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED)); } else if (strncmp(cmd_buf, "read", 4) == 0) { u32 address; u32 value; - cnt = sscanf(&cmd_buf[4], "%x", &address); + cnt = sscanf(&cmd_buf[4], "%i", &address); if (cnt != 1) { dev_info(&pf->pdev->dev, "read <reg>\n"); goto command_write_done; @@ -1497,7 +1505,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp, } else if (strncmp(cmd_buf, "write", 5) == 0) { u32 address, value; - cnt = sscanf(&cmd_buf[5], "%x %x", &address, &value); + cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); if (cnt != 2) { dev_info(&pf->pdev->dev, "write <reg> <value>\n"); goto command_write_done; @@ -1515,10 +1523,10 @@ static ssize_t i40e_dbg_command_write(struct file *filp, address, value); } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { - cnt = sscanf(&cmd_buf[15], "%d", &vsi_seid); + cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); if (cnt == 0) { int i; - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) i40e_vsi_reset_stats(pf->vsi[i]); dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); } else if (cnt == 1) { @@ -1542,32 +1550,152 @@ static ssize_t i40e_dbg_command_write(struct file *filp, } else { dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n"); } + } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { + struct i40e_aq_desc *desc; + i40e_status ret; + + desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); + if (!desc) + goto command_write_done; + cnt = sscanf(&cmd_buf[11], + "%hx %hx %hx %hx %x %x %x %x %x %x", + &desc->flags, + &desc->opcode, &desc->datalen, &desc->retval, + &desc->cookie_high, &desc->cookie_low, + &desc->params.internal.param0, + &desc->params.internal.param1, + &desc->params.internal.param2, + &desc->params.internal.param3); + if (cnt != 10) { + dev_info(&pf->pdev->dev, + "send aq_cmd: bad command string, cnt=%d\n", + cnt); + kfree(desc); + desc = NULL; + goto command_write_done; + } + ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); + if (!ret) { + dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); + } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x AQ Error: %d\n", + desc->opcode, pf->hw.aq.asq_last_status); + } else { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x Status: %d\n", + desc->opcode, ret); + } + dev_info(&pf->pdev->dev, + "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", + desc->flags, desc->opcode, desc->datalen, desc->retval, + desc->cookie_high, desc->cookie_low, + desc->params.internal.param0, + desc->params.internal.param1, + desc->params.internal.param2, + desc->params.internal.param3); + kfree(desc); + desc = NULL; + } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { + struct i40e_aq_desc *desc; + i40e_status ret; + u16 buffer_len; + u8 *buff; + + desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); + if (!desc) + goto command_write_done; + cnt = sscanf(&cmd_buf[20], + "%hx %hx %hx %hx %x %x %x %x %x %x %hd", + &desc->flags, + &desc->opcode, &desc->datalen, &desc->retval, + &desc->cookie_high, &desc->cookie_low, + &desc->params.internal.param0, + &desc->params.internal.param1, + &desc->params.internal.param2, + &desc->params.internal.param3, + &buffer_len); + if (cnt != 11) { + dev_info(&pf->pdev->dev, + "send indirect aq_cmd: bad command string, cnt=%d\n", + cnt); + kfree(desc); + desc = NULL; + goto command_write_done; + } + /* Just stub a buffer big enough in case user messed up */ + if (buffer_len == 0) + buffer_len = 1280; + + buff = kzalloc(buffer_len, GFP_KERNEL); + if (!buff) { + kfree(desc); + desc = NULL; + goto command_write_done; + } + desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); + ret = i40e_asq_send_command(&pf->hw, desc, buff, + buffer_len, NULL); + if (!ret) { + dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); + } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x AQ Error: %d\n", + desc->opcode, pf->hw.aq.asq_last_status); + } else { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x Status: %d\n", + desc->opcode, ret); + } + dev_info(&pf->pdev->dev, + "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", + desc->flags, desc->opcode, desc->datalen, desc->retval, + desc->cookie_high, desc->cookie_low, + desc->params.internal.param0, + desc->params.internal.param1, + desc->params.internal.param2, + desc->params.internal.param3); + print_hex_dump(KERN_INFO, "AQ buffer WB: ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, buffer_len, true); + kfree(buff); + buff = NULL; + kfree(desc); + desc = NULL; } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { - struct i40e_fdir_data fd_data; - int ret; + struct i40e_fdir_filter fd_data; u16 packet_len, i, j = 0; char *asc_packet; + u8 *raw_packet; bool add = false; + int ret; + + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) + goto command_write_done; + + if (strncmp(cmd_buf, "add", 3) == 0) + add = true; + + if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) + goto command_write_done; - asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP, + asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, GFP_KERNEL); if (!asc_packet) goto command_write_done; - fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP, - GFP_KERNEL); + raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, + GFP_KERNEL); - if (!fd_data.raw_packet) { + if (!raw_packet) { kfree(asc_packet); asc_packet = NULL; goto command_write_done; } - if (strncmp(cmd_buf, "add", 3) == 0) - add = true; cnt = sscanf(&cmd_buf[13], - "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %512s", + "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", &fd_data.q_index, &fd_data.flex_off, &fd_data.pctype, &fd_data.dest_vsi, &fd_data.dest_ctl, @@ -1579,42 +1707,42 @@ static ssize_t i40e_dbg_command_write(struct file *filp, cnt); kfree(asc_packet); asc_packet = NULL; - kfree(fd_data.raw_packet); + kfree(raw_packet); goto command_write_done; } /* fix packet length if user entered 0 */ if (packet_len == 0) - packet_len = I40E_FDIR_MAX_RAW_PACKET_LOOKUP; + packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; /* make sure to check the max as well */ packet_len = min_t(u16, - packet_len, I40E_FDIR_MAX_RAW_PACKET_LOOKUP); + packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); - dev_info(&pf->pdev->dev, "FD raw packet:\n"); for (i = 0; i < packet_len; i++) { sscanf(&asc_packet[j], "%2hhx ", - &fd_data.raw_packet[i]); + &raw_packet[i]); j += 3; - snprintf(print_buf, 3, "%02x ", fd_data.raw_packet[i]); - print_buf += 3; - if ((i % 16) == 15) { - snprintf(print_buf, 1, "\n"); - print_buf++; - } } - dev_info(&pf->pdev->dev, "%s\n", print_buf_start); - ret = i40e_program_fdir_filter(&fd_data, pf, add); + dev_info(&pf->pdev->dev, "FD raw packet dump\n"); + print_hex_dump(KERN_INFO, "FD raw packet: ", + DUMP_PREFIX_OFFSET, 16, 1, + raw_packet, packet_len, true); + ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); if (!ret) { dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); } else { dev_info(&pf->pdev->dev, "Filter command send failed %d\n", ret); } - kfree(fd_data.raw_packet); - fd_data.raw_packet = NULL; + kfree(raw_packet); + raw_packet = NULL; kfree(asc_packet); asc_packet = NULL; + } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) { + i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false); + } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) { + i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true); } else if (strncmp(cmd_buf, "lldp", 4) == 0) { if (strncmp(&cmd_buf[5], "stop", 4) == 0) { int ret; @@ -1625,8 +1753,35 @@ static ssize_t i40e_dbg_command_write(struct file *filp, pf->hw.aq.asq_last_status); goto command_write_done; } + ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, + pf->hw.mac.addr, + I40E_ETH_P_LLDP, 0, + pf->vsi[pf->lan_vsi]->seid, + 0, true, NULL, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "%s: Add Control Packet Filter AQ command failed =0x%x\n", + __func__, pf->hw.aq.asq_last_status); + goto command_write_done; + } +#ifdef CONFIG_I40E_DCB + pf->dcbx_cap = DCB_CAP_DCBX_HOST | + DCB_CAP_DCBX_VER_IEEE; +#endif /* CONFIG_I40E_DCB */ } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { int ret; + ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, + pf->hw.mac.addr, + I40E_ETH_P_LLDP, 0, + pf->vsi[pf->lan_vsi]->seid, + 0, false, NULL, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "%s: Remove Control Packet Filter AQ command failed =0x%x\n", + __func__, pf->hw.aq.asq_last_status); + /* Continue and start FW LLDP anyways */ + } + ret = i40e_aq_start_lldp(&pf->hw, NULL); if (ret) { dev_info(&pf->pdev->dev, @@ -1634,11 +1789,15 @@ static ssize_t i40e_dbg_command_write(struct file *filp, pf->hw.aq.asq_last_status); goto command_write_done; } +#ifdef CONFIG_I40E_DCB + pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | + DCB_CAP_DCBX_VER_IEEE; +#endif /* CONFIG_I40E_DCB */ } else if (strncmp(&cmd_buf[5], "get local", 9) == 0) { - int ret, i; - u8 *buff; u16 llen, rlen; + int ret; + u8 *buff; buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); if (!buff) goto command_write_done; @@ -1655,23 +1814,16 @@ static ssize_t i40e_dbg_command_write(struct file *filp, buff = NULL; goto command_write_done; } - dev_info(&pf->pdev->dev, - "Get LLDP MIB (local) AQ buffer written back:\n"); - for (i = 0; i < I40E_LLDPDU_SIZE; i++) { - snprintf(print_buf, 3, "%02x ", buff[i]); - print_buf += 3; - if ((i % 16) == 15) { - snprintf(print_buf, 1, "\n"); - print_buf++; - } - } - dev_info(&pf->pdev->dev, "%s\n", print_buf_start); + dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); + print_hex_dump(KERN_INFO, "LLDP MIB (local): ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, I40E_LLDPDU_SIZE, true); kfree(buff); buff = NULL; } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { - int ret, i; - u8 *buff; u16 llen, rlen; + int ret; + u8 *buff; buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); if (!buff) goto command_write_done; @@ -1689,17 +1841,10 @@ static ssize_t i40e_dbg_command_write(struct file *filp, buff = NULL; goto command_write_done; } - dev_info(&pf->pdev->dev, - "Get LLDP MIB (remote) AQ buffer written back:\n"); - for (i = 0; i < I40E_LLDPDU_SIZE; i++) { - snprintf(print_buf, 3, "%02x ", buff[i]); - print_buf += 3; - if ((i % 16) == 15) { - snprintf(print_buf, 1, "\n"); - print_buf++; - } - } - dev_info(&pf->pdev->dev, "%s\n", print_buf_start); + dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); + print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, I40E_LLDPDU_SIZE, true); kfree(buff); buff = NULL; } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { @@ -1724,7 +1869,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp, } } } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { - u16 buffer_len, i, bytes; + u16 buffer_len, bytes; u16 module; u32 offset; u16 *buff; @@ -1747,11 +1892,13 @@ static ssize_t i40e_dbg_command_write(struct file *filp, goto command_write_done; } - /* Read at least 512 words */ - if (buffer_len == 0) - buffer_len = 512; + /* set the max length */ + buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); bytes = 2 * buffer_len; + + /* read at least 1k bytes, no more than 4kB */ + bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); buff = kzalloc(bytes, GFP_KERNEL); if (!buff) goto command_write_done; @@ -1776,16 +1923,10 @@ static ssize_t i40e_dbg_command_write(struct file *filp, dev_info(&pf->pdev->dev, "Read NVM module=0x%x offset=0x%x words=%d\n", module, offset, buffer_len); - for (i = 0; i < buffer_len; i++) { - if ((i % 16) == 0) { - snprintf(print_buf, 11, "\n0x%08x: ", - offset + i); - print_buf += 11; - } - snprintf(print_buf, 5, "%04x ", buff[i]); - print_buf += 5; - } - dev_info(&pf->pdev->dev, "%s\n", print_buf_start); + if (bytes) + print_hex_dump(KERN_INFO, "NVM Dump: ", + DUMP_PREFIX_OFFSET, 16, 2, + buff, bytes, true); } kfree(buff); buff = NULL; @@ -1815,8 +1956,12 @@ static ssize_t i40e_dbg_command_write(struct file *filp, dev_info(&pf->pdev->dev, " pfr\n"); dev_info(&pf->pdev->dev, " corer\n"); dev_info(&pf->pdev->dev, " globr\n"); + dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); + dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); dev_info(&pf->pdev->dev, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); dev_info(&pf->pdev->dev, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); + dev_info(&pf->pdev->dev, " fd-atr off\n"); + dev_info(&pf->pdev->dev, " fd-atr on\n"); dev_info(&pf->pdev->dev, " lldp start\n"); dev_info(&pf->pdev->dev, " lldp stop\n"); dev_info(&pf->pdev->dev, " lldp get local\n"); @@ -1829,9 +1974,6 @@ static ssize_t i40e_dbg_command_write(struct file *filp, command_write_done: kfree(cmd_buf); cmd_buf = NULL; - kfree(print_buf_start); - print_buf = NULL; - print_buf_start = NULL; return count; } @@ -1903,6 +2045,7 @@ static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, struct i40e_pf *pf = filp->private_data; int bytes_not_copied; struct i40e_vsi *vsi; + char *buf_tmp; int vsi_seid; int i, cnt; @@ -1921,6 +2064,12 @@ static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, count -= bytes_not_copied; i40e_dbg_netdev_ops_buf[count] = '\0'; + buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); + if (buf_tmp) { + *buf_tmp = '\0'; + count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; + } + if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); if (cnt != 1) { @@ -1931,9 +2080,13 @@ static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, if (!vsi) { dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not found\n", vsi_seid); - goto netdev_ops_write_done; - } - if (rtnl_trylock()) { + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", + vsi_seid); + } else if (test_bit(__I40E_DOWN, &vsi->state)) { + dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", + vsi_seid); + } else if (rtnl_trylock()) { vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); rtnl_unlock(); dev_info(&pf->pdev->dev, "tx_timeout called\n"); @@ -1952,9 +2105,10 @@ static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, if (!vsi) { dev_info(&pf->pdev->dev, "change_mtu: VSI %d not found\n", vsi_seid); - goto netdev_ops_write_done; - } - if (rtnl_trylock()) { + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", + vsi_seid); + } else if (rtnl_trylock()) { vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, mtu); rtnl_unlock(); @@ -1973,9 +2127,10 @@ static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, if (!vsi) { dev_info(&pf->pdev->dev, "set_rx_mode: VSI %d not found\n", vsi_seid); - goto netdev_ops_write_done; - } - if (rtnl_trylock()) { + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", + vsi_seid); + } else if (rtnl_trylock()) { vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); rtnl_unlock(); dev_info(&pf->pdev->dev, "set_rx_mode called\n"); @@ -1993,11 +2148,14 @@ static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, if (!vsi) { dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", vsi_seid); - goto netdev_ops_write_done; + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", + vsi_seid); + } else { + for (i = 0; i < vsi->num_q_vectors; i++) + napi_schedule(&vsi->q_vectors[i]->napi); + dev_info(&pf->pdev->dev, "napi called\n"); } - for (i = 0; i < vsi->num_q_vectors; i++) - napi_schedule(&vsi->q_vectors[i].napi); - dev_info(&pf->pdev->dev, "napi called\n"); } else { dev_info(&pf->pdev->dev, "unknown command '%s'\n", i40e_dbg_netdev_ops_buf); @@ -2024,21 +2182,35 @@ static const struct file_operations i40e_dbg_netdev_ops_fops = { **/ void i40e_dbg_pf_init(struct i40e_pf *pf) { - struct dentry *pfile __attribute__((unused)); + struct dentry *pfile; const char *name = pci_name(pf->pdev); + const struct device *dev = &pf->pdev->dev; pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); - if (pf->i40e_dbg_pf) { - pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, - pf, &i40e_dbg_command_fops); - pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, - &i40e_dbg_dump_fops); - pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, - pf, &i40e_dbg_netdev_ops_fops); - } else { - dev_info(&pf->pdev->dev, - "debugfs entry for %s failed\n", name); - } + if (!pf->i40e_dbg_pf) + return; + + pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, + &i40e_dbg_command_fops); + if (!pfile) + goto create_failed; + + pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, + &i40e_dbg_dump_fops); + if (!pfile) + goto create_failed; + + pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, + &i40e_dbg_netdev_ops_fops); + if (!pfile) + goto create_failed; + + return; + +create_failed: + dev_info(dev, "debugfs dir/file for %s failed\n", name); + debugfs_remove_recursive(pf->i40e_dbg_pf); + return; } /** diff --git a/drivers/net/ethernet/intel/i40e/i40e_diag.c b/drivers/net/ethernet/intel/i40e/i40e_diag.c index de255143bde..56438bd579e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_diag.c +++ b/drivers/net/ethernet/intel/i40e/i40e_diag.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -68,17 +67,25 @@ static i40e_status i40e_diag_reg_pattern_test(struct i40e_hw *hw, struct i40e_diag_reg_test_info i40e_reg_list[] = { /* offset mask elements stride */ - {I40E_QTX_CTL(0), 0x0000FFBF, 64, I40E_QTX_CTL(1) - I40E_QTX_CTL(0)}, - {I40E_PFINT_ITR0(0), 0x00000FFF, 3, I40E_PFINT_ITR0(1) - I40E_PFINT_ITR0(0)}, - {I40E_PFINT_ITRN(0, 0), 0x00000FFF, 64, I40E_PFINT_ITRN(0, 1) - I40E_PFINT_ITRN(0, 0)}, - {I40E_PFINT_ITRN(1, 0), 0x00000FFF, 64, I40E_PFINT_ITRN(1, 1) - I40E_PFINT_ITRN(1, 0)}, - {I40E_PFINT_ITRN(2, 0), 0x00000FFF, 64, I40E_PFINT_ITRN(2, 1) - I40E_PFINT_ITRN(2, 0)}, - {I40E_PFINT_STAT_CTL0, 0x0000000C, 1, 0}, - {I40E_PFINT_LNKLST0, 0x00001FFF, 1, 0}, - {I40E_PFINT_LNKLSTN(0), 0x000007FF, 511, I40E_PFINT_LNKLSTN(1) - I40E_PFINT_LNKLSTN(0)}, - {I40E_QINT_TQCTL(0), 0x000000FF, I40E_QINT_TQCTL_MAX_INDEX + 1, I40E_QINT_TQCTL(1) - I40E_QINT_TQCTL(0)}, - {I40E_QINT_RQCTL(0), 0x000000FF, I40E_QINT_RQCTL_MAX_INDEX + 1, I40E_QINT_RQCTL(1) - I40E_QINT_RQCTL(0)}, - {I40E_PFINT_ICR0_ENA, 0xF7F20000, 1, 0}, + {I40E_QTX_CTL(0), 0x0000FFBF, 1, + I40E_QTX_CTL(1) - I40E_QTX_CTL(0)}, + {I40E_PFINT_ITR0(0), 0x00000FFF, 3, + I40E_PFINT_ITR0(1) - I40E_PFINT_ITR0(0)}, + {I40E_PFINT_ITRN(0, 0), 0x00000FFF, 1, + I40E_PFINT_ITRN(0, 1) - I40E_PFINT_ITRN(0, 0)}, + {I40E_PFINT_ITRN(1, 0), 0x00000FFF, 1, + I40E_PFINT_ITRN(1, 1) - I40E_PFINT_ITRN(1, 0)}, + {I40E_PFINT_ITRN(2, 0), 0x00000FFF, 1, + I40E_PFINT_ITRN(2, 1) - I40E_PFINT_ITRN(2, 0)}, + {I40E_PFINT_STAT_CTL0, 0x0000000C, 1, 0}, + {I40E_PFINT_LNKLST0, 0x00001FFF, 1, 0}, + {I40E_PFINT_LNKLSTN(0), 0x000007FF, 1, + I40E_PFINT_LNKLSTN(1) - I40E_PFINT_LNKLSTN(0)}, + {I40E_QINT_TQCTL(0), 0x000000FF, 1, + I40E_QINT_TQCTL(1) - I40E_QINT_TQCTL(0)}, + {I40E_QINT_RQCTL(0), 0x000000FF, 1, + I40E_QINT_RQCTL(1) - I40E_QINT_RQCTL(0)}, + {I40E_PFINT_ICR0_ENA, 0xF7F20000, 1, 0}, { 0 } }; @@ -94,9 +101,25 @@ i40e_status i40e_diag_reg_test(struct i40e_hw *hw) u32 reg, mask; u32 i, j; - for (i = 0; (i40e_reg_list[i].offset != 0) && !ret_code; i++) { + for (i = 0; i40e_reg_list[i].offset != 0 && + !ret_code; i++) { + + /* set actual reg range for dynamically allocated resources */ + if (i40e_reg_list[i].offset == I40E_QTX_CTL(0) && + hw->func_caps.num_tx_qp != 0) + i40e_reg_list[i].elements = hw->func_caps.num_tx_qp; + if ((i40e_reg_list[i].offset == I40E_PFINT_ITRN(0, 0) || + i40e_reg_list[i].offset == I40E_PFINT_ITRN(1, 0) || + i40e_reg_list[i].offset == I40E_PFINT_ITRN(2, 0) || + i40e_reg_list[i].offset == I40E_QINT_TQCTL(0) || + i40e_reg_list[i].offset == I40E_QINT_RQCTL(0)) && + hw->func_caps.num_msix_vectors != 0) + i40e_reg_list[i].elements = + hw->func_caps.num_msix_vectors - 1; + + /* test register access */ mask = i40e_reg_list[i].mask; - for (j = 0; (j < i40e_reg_list[i].elements) && !ret_code; j++) { + for (j = 0; j < i40e_reg_list[i].elements && !ret_code; j++) { reg = i40e_reg_list[i].offset + (j * i40e_reg_list[i].stride); ret_code = i40e_diag_reg_pattern_test(hw, reg, mask); @@ -119,7 +142,7 @@ i40e_status i40e_diag_eeprom_test(struct i40e_hw *hw) /* read NVM control word and if NVM valid, validate EEPROM checksum*/ ret_code = i40e_read_nvm_word(hw, I40E_SR_NVM_CONTROL_WORD, ®_val); - if ((!ret_code) && + if (!ret_code && ((reg_val & I40E_SR_CONTROL_WORD_1_MASK) == (0x01 << I40E_SR_CONTROL_WORD_1_SHIFT))) { ret_code = i40e_validate_nvm_checksum(hw, NULL); diff --git a/drivers/net/ethernet/intel/i40e/i40e_diag.h b/drivers/net/ethernet/intel/i40e/i40e_diag.h index 3d98277f452..0b591165208 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_diag.h +++ b/drivers/net/ethernet/intel/i40e/i40e_diag.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -31,10 +30,10 @@ #include "i40e_type.h" enum i40e_lb_mode { - I40E_LB_MODE_NONE = 0, - I40E_LB_MODE_PHY_LOCAL, - I40E_LB_MODE_PHY_REMOTE, - I40E_LB_MODE_MAC_LOCAL, + I40E_LB_MODE_NONE = 0x0, + I40E_LB_MODE_PHY_LOCAL = I40E_AQ_LB_PHY_LOCAL, + I40E_LB_MODE_PHY_REMOTE = I40E_AQ_LB_PHY_REMOTE, + I40E_LB_MODE_MAC_LOCAL = I40E_AQ_LB_MAC_LOCAL, }; struct i40e_diag_reg_test_info { diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 9a76b8cec76..4a488ffcd6b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -47,6 +46,8 @@ struct i40e_stats { I40E_STAT(struct i40e_pf, _name, _stat) #define I40E_VSI_STAT(_name, _stat) \ I40E_STAT(struct i40e_vsi, _name, _stat) +#define I40E_VEB_STAT(_name, _stat) \ + I40E_STAT(struct i40e_veb, _name, _stat) static const struct i40e_stats i40e_gstrings_net_stats[] = { I40E_NETDEV_STAT(rx_packets), @@ -57,12 +58,39 @@ static const struct i40e_stats i40e_gstrings_net_stats[] = { I40E_NETDEV_STAT(tx_errors), I40E_NETDEV_STAT(rx_dropped), I40E_NETDEV_STAT(tx_dropped), - I40E_NETDEV_STAT(multicast), I40E_NETDEV_STAT(collisions), I40E_NETDEV_STAT(rx_length_errors), I40E_NETDEV_STAT(rx_crc_errors), }; +static const struct i40e_stats i40e_gstrings_veb_stats[] = { + I40E_VEB_STAT("rx_bytes", stats.rx_bytes), + I40E_VEB_STAT("tx_bytes", stats.tx_bytes), + I40E_VEB_STAT("rx_unicast", stats.rx_unicast), + I40E_VEB_STAT("tx_unicast", stats.tx_unicast), + I40E_VEB_STAT("rx_multicast", stats.rx_multicast), + I40E_VEB_STAT("tx_multicast", stats.tx_multicast), + I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast), + I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast), + I40E_VEB_STAT("rx_discards", stats.rx_discards), + I40E_VEB_STAT("tx_discards", stats.tx_discards), + I40E_VEB_STAT("tx_errors", stats.tx_errors), + I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol), +}; + +static const struct i40e_stats i40e_gstrings_misc_stats[] = { + I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast), + I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast), + I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast), + I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast), + I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), + I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), + I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), +}; + +static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, + struct ethtool_rxnfc *cmd); + /* These PF_STATs might look like duplicates of some NETDEV_STATs, * but they are separate. This device supports Virtualization, and * as such might have several netdevs supporting VMDq and FCoE going @@ -76,7 +104,12 @@ static const struct i40e_stats i40e_gstrings_net_stats[] = { static struct i40e_stats i40e_gstrings_stats[] = { I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes), I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes), - I40E_PF_STAT("rx_errors", stats.eth.rx_errors), + I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast), + I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast), + I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast), + I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast), + I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast), + I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast), I40E_PF_STAT("tx_errors", stats.eth.tx_errors), I40E_PF_STAT("rx_dropped", stats.eth.rx_discards), I40E_PF_STAT("tx_dropped", stats.eth.tx_discards), @@ -85,6 +118,8 @@ static struct i40e_stats i40e_gstrings_stats[] = { I40E_PF_STAT("illegal_bytes", stats.illegal_bytes), I40E_PF_STAT("mac_local_faults", stats.mac_local_faults), I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults), + I40E_PF_STAT("tx_timeout", tx_timeout_count), + I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error), I40E_PF_STAT("rx_length_errors", stats.rx_length_errors), I40E_PF_STAT("link_xon_rx", stats.link_xon_rx), I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx), @@ -109,14 +144,26 @@ static struct i40e_stats i40e_gstrings_stats[] = { I40E_PF_STAT("rx_oversize", stats.rx_oversize), I40E_PF_STAT("rx_jabber", stats.rx_jabber), I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests), + I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), + I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match), + I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), + + /* LPI stats */ + I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), + I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status), + I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count), + I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count), }; #define I40E_QUEUE_STATS_LEN(n) \ - ((((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs + \ - ((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs) * 2) + (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ + * 2 /* Tx and Rx together */ \ + * (sizeof(struct i40e_queue_stats) / sizeof(u64))) #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) +#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats) #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ + I40E_MISC_STATS_LEN + \ I40E_QUEUE_STATS_LEN((n))) #define I40E_PFC_STATS_LEN ( \ (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \ @@ -125,6 +172,7 @@ static struct i40e_stats i40e_gstrings_stats[] = { FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \ FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \ / sizeof(u64)) +#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ I40E_PFC_STATS_LEN + \ I40E_VSI_STATS_LEN((n))) @@ -193,28 +241,48 @@ static int i40e_get_settings(struct net_device *netdev, ecmd->supported = SUPPORTED_10000baseKR_Full; ecmd->advertising = ADVERTISED_10000baseKR_Full; break; - case I40E_PHY_TYPE_10GBASE_T: default: - ecmd->supported = SUPPORTED_10000baseT_Full; - ecmd->advertising = ADVERTISED_10000baseT_Full; + if (i40e_is_40G_device(hw->device_id)) { + ecmd->supported = SUPPORTED_40000baseSR4_Full; + ecmd->advertising = ADVERTISED_40000baseSR4_Full; + } else { + ecmd->supported = SUPPORTED_10000baseT_Full; + ecmd->advertising = ADVERTISED_10000baseT_Full; + } break; } - /* for now just say autoneg all the time */ ecmd->supported |= SUPPORTED_Autoneg; + ecmd->advertising |= ADVERTISED_Autoneg; + ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? + AUTONEG_ENABLE : AUTONEG_DISABLE); - if (hw->phy.media_type == I40E_MEDIA_TYPE_BACKPLANE) { + switch (hw->phy.media_type) { + case I40E_MEDIA_TYPE_BACKPLANE: ecmd->supported |= SUPPORTED_Backplane; ecmd->advertising |= ADVERTISED_Backplane; ecmd->port = PORT_NONE; - } else if (hw->phy.media_type == I40E_MEDIA_TYPE_BASET) { + break; + case I40E_MEDIA_TYPE_BASET: ecmd->supported |= SUPPORTED_TP; ecmd->advertising |= ADVERTISED_TP; ecmd->port = PORT_TP; - } else { + break; + case I40E_MEDIA_TYPE_DA: + case I40E_MEDIA_TYPE_CX4: + ecmd->supported |= SUPPORTED_FIBRE; + ecmd->advertising |= ADVERTISED_FIBRE; + ecmd->port = PORT_DA; + break; + case I40E_MEDIA_TYPE_FIBER: ecmd->supported |= SUPPORTED_FIBRE; ecmd->advertising |= ADVERTISED_FIBRE; ecmd->port = PORT_FIBRE; + break; + case I40E_MEDIA_TYPE_UNKNOWN: + default: + ecmd->port = PORT_OTHER; + break; } ecmd->transceiver = XCVR_EXTERNAL; @@ -256,12 +324,14 @@ static void i40e_get_pauseparam(struct net_device *netdev, ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? AUTONEG_ENABLE : AUTONEG_DISABLE); - pause->rx_pause = 0; - pause->tx_pause = 0; - if (hw_link_info->an_info & I40E_AQ_LINK_PAUSE_RX) + if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { + pause->rx_pause = 1; + } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { + pause->tx_pause = 1; + } else if (hw->fc.current_mode == I40E_FC_FULL) { pause->rx_pause = 1; - if (hw_link_info->an_info & I40E_AQ_LINK_PAUSE_TX) pause->tx_pause = 1; + } } static u32 i40e_get_msglevel(struct net_device *netdev) @@ -329,38 +399,56 @@ static int i40e_get_eeprom(struct net_device *netdev, { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_hw *hw = &np->vsi->back->hw; - int first_word, last_word; - u16 i, eeprom_len; - u16 *eeprom_buff; - int ret_val = 0; - + struct i40e_pf *pf = np->vsi->back; + int ret_val = 0, len; + u8 *eeprom_buff; + u16 i, sectors; + bool last; +#define I40E_NVM_SECTOR_SIZE 4096 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); + eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; - ret_val = i40e_read_nvm_buffer(hw, first_word, &eeprom_len, - eeprom_buff); - if (eeprom_len == 0) { - kfree(eeprom_buff); - return -EACCES; + ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); + if (ret_val) { + dev_info(&pf->pdev->dev, + "Failed Acquiring NVM resource for read err=%d status=0x%x\n", + ret_val, hw->aq.asq_last_status); + goto free_buff; } - /* Device's eeprom is always little-endian, word addressable */ - for (i = 0; i < eeprom_len; i++) - le16_to_cpus(&eeprom_buff[i]); + sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; + sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; + len = I40E_NVM_SECTOR_SIZE; + last = false; + for (i = 0; i < sectors; i++) { + if (i == (sectors - 1)) { + len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); + last = true; + } + ret_val = i40e_aq_read_nvm(hw, 0x0, + eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), + len, + eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), + last, NULL); + if (ret_val) { + dev_info(&pf->pdev->dev, + "read NVM failed err=%d status=0x%x\n", + ret_val, hw->aq.asq_last_status); + goto release_nvm; + } + } - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); +release_nvm: + i40e_release_nvm(hw); + memcpy(bytes, eeprom_buff, eeprom->len); +free_buff: kfree(eeprom_buff); - return ret_val; } @@ -368,8 +456,14 @@ static int i40e_get_eeprom_len(struct net_device *netdev) { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_hw *hw = &np->vsi->back->hw; - - return hw->nvm.sr_size * 2; + u32 val; + + val = (rd32(hw, I40E_GLPCI_LBARCTRL) + & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) + >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; + /* register returns value in power of 2, 64Kbyte chunks. */ + val = (64 * 1024) * (1 << val); + return val; } static void i40e_get_drvinfo(struct net_device *netdev, @@ -399,8 +493,8 @@ static void i40e_get_ringparam(struct net_device *netdev, ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; ring->rx_mini_max_pending = 0; ring->rx_jumbo_max_pending = 0; - ring->rx_pending = vsi->rx_rings[0].count; - ring->tx_pending = vsi->tx_rings[0].count; + ring->rx_pending = vsi->rx_rings[0]->count; + ring->tx_pending = vsi->tx_rings[0]->count; ring->rx_mini_pending = 0; ring->rx_jumbo_pending = 0; } @@ -418,19 +512,23 @@ static int i40e_set_ringparam(struct net_device *netdev, if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; - new_tx_count = clamp_t(u32, ring->tx_pending, - I40E_MIN_NUM_DESCRIPTORS, - I40E_MAX_NUM_DESCRIPTORS); - new_tx_count = ALIGN(new_tx_count, I40E_REQ_DESCRIPTOR_MULTIPLE); + if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || + ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || + ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || + ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { + netdev_info(netdev, + "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", + ring->tx_pending, ring->rx_pending, + I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); + return -EINVAL; + } - new_rx_count = clamp_t(u32, ring->rx_pending, - I40E_MIN_NUM_DESCRIPTORS, - I40E_MAX_NUM_DESCRIPTORS); - new_rx_count = ALIGN(new_rx_count, I40E_REQ_DESCRIPTOR_MULTIPLE); + new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); + new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); /* if nothing to do return success */ - if ((new_tx_count == vsi->tx_rings[0].count) && - (new_rx_count == vsi->rx_rings[0].count)) + if ((new_tx_count == vsi->tx_rings[0]->count) && + (new_rx_count == vsi->rx_rings[0]->count)) return 0; while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) @@ -439,8 +537,8 @@ static int i40e_set_ringparam(struct net_device *netdev, if (!netif_running(vsi->netdev)) { /* simple case - set for the next time the netdev is started */ for (i = 0; i < vsi->num_queue_pairs; i++) { - vsi->tx_rings[i].count = new_tx_count; - vsi->rx_rings[i].count = new_rx_count; + vsi->tx_rings[i]->count = new_tx_count; + vsi->rx_rings[i]->count = new_rx_count; } goto done; } @@ -451,10 +549,10 @@ static int i40e_set_ringparam(struct net_device *netdev, */ /* alloc updated Tx resources */ - if (new_tx_count != vsi->tx_rings[0].count) { + if (new_tx_count != vsi->tx_rings[0]->count) { netdev_info(netdev, "Changing Tx descriptor count from %d to %d.\n", - vsi->tx_rings[0].count, new_tx_count); + vsi->tx_rings[0]->count, new_tx_count); tx_rings = kcalloc(vsi->alloc_queue_pairs, sizeof(struct i40e_ring), GFP_KERNEL); if (!tx_rings) { @@ -464,7 +562,7 @@ static int i40e_set_ringparam(struct net_device *netdev, for (i = 0; i < vsi->num_queue_pairs; i++) { /* clone ring and setup updated count */ - tx_rings[i] = vsi->tx_rings[i]; + tx_rings[i] = *vsi->tx_rings[i]; tx_rings[i].count = new_tx_count; err = i40e_setup_tx_descriptors(&tx_rings[i]); if (err) { @@ -481,10 +579,10 @@ static int i40e_set_ringparam(struct net_device *netdev, } /* alloc updated Rx resources */ - if (new_rx_count != vsi->rx_rings[0].count) { + if (new_rx_count != vsi->rx_rings[0]->count) { netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", - vsi->rx_rings[0].count, new_rx_count); + vsi->rx_rings[0]->count, new_rx_count); rx_rings = kcalloc(vsi->alloc_queue_pairs, sizeof(struct i40e_ring), GFP_KERNEL); if (!rx_rings) { @@ -494,7 +592,7 @@ static int i40e_set_ringparam(struct net_device *netdev, for (i = 0; i < vsi->num_queue_pairs; i++) { /* clone ring and setup updated count */ - rx_rings[i] = vsi->rx_rings[i]; + rx_rings[i] = *vsi->rx_rings[i]; rx_rings[i].count = new_rx_count; err = i40e_setup_rx_descriptors(&rx_rings[i]); if (err) { @@ -517,8 +615,8 @@ static int i40e_set_ringparam(struct net_device *netdev, if (tx_rings) { for (i = 0; i < vsi->num_queue_pairs; i++) { - i40e_free_tx_resources(&vsi->tx_rings[i]); - vsi->tx_rings[i] = tx_rings[i]; + i40e_free_tx_resources(vsi->tx_rings[i]); + *vsi->tx_rings[i] = tx_rings[i]; } kfree(tx_rings); tx_rings = NULL; @@ -526,8 +624,8 @@ static int i40e_set_ringparam(struct net_device *netdev, if (rx_rings) { for (i = 0; i < vsi->num_queue_pairs; i++) { - i40e_free_rx_resources(&vsi->rx_rings[i]); - vsi->rx_rings[i] = rx_rings[i]; + i40e_free_rx_resources(vsi->rx_rings[i]); + *vsi->rx_rings[i] = rx_rings[i]; } kfree(rx_rings); rx_rings = NULL; @@ -560,10 +658,15 @@ static int i40e_get_sset_count(struct net_device *netdev, int sset) case ETH_SS_TEST: return I40E_TEST_LEN; case ETH_SS_STATS: - if (vsi == pf->vsi[pf->lan_vsi]) - return I40E_PF_STATS_LEN(netdev); - else + if (vsi == pf->vsi[pf->lan_vsi]) { + int len = I40E_PF_STATS_LEN(netdev); + + if (pf->lan_veb != I40E_NO_VEB) + len += I40E_VEB_STATS_LEN; + return len; + } else { return I40E_VSI_STATS_LEN(netdev); + } default: return -EOPNOTSUPP; } @@ -573,12 +676,14 @@ static void i40e_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, u64 *data) { struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_ring *tx_ring, *rx_ring; struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; int i = 0; char *p; int j; struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); + unsigned int start; i40e_update_stats(vsi); @@ -587,31 +692,63 @@ static void i40e_get_ethtool_stats(struct net_device *netdev, data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } - for (j = 0; j < vsi->num_queue_pairs; j++) { - data[i++] = vsi->tx_rings[j].tx_stats.packets; - data[i++] = vsi->tx_rings[j].tx_stats.bytes; + for (j = 0; j < I40E_MISC_STATS_LEN; j++) { + p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; + data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == + sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } + rcu_read_lock(); for (j = 0; j < vsi->num_queue_pairs; j++) { - data[i++] = vsi->rx_rings[j].rx_stats.packets; - data[i++] = vsi->rx_rings[j].rx_stats.bytes; + tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); + + if (!tx_ring) + continue; + + /* process Tx ring statistics */ + do { + start = u64_stats_fetch_begin_irq(&tx_ring->syncp); + data[i] = tx_ring->stats.packets; + data[i + 1] = tx_ring->stats.bytes; + } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); + i += 2; + + /* Rx ring is the 2nd half of the queue pair */ + rx_ring = &tx_ring[1]; + do { + start = u64_stats_fetch_begin_irq(&rx_ring->syncp); + data[i] = rx_ring->stats.packets; + data[i + 1] = rx_ring->stats.bytes; + } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); + i += 2; } - if (vsi == pf->vsi[pf->lan_vsi]) { - for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { - p = (char *)pf + i40e_gstrings_stats[j].stat_offset; - data[i++] = (i40e_gstrings_stats[j].sizeof_stat == - sizeof(u64)) ? *(u64 *)p : *(u32 *)p; - } - for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { - data[i++] = pf->stats.priority_xon_tx[j]; - data[i++] = pf->stats.priority_xoff_tx[j]; - } - for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { - data[i++] = pf->stats.priority_xon_rx[j]; - data[i++] = pf->stats.priority_xoff_rx[j]; + rcu_read_unlock(); + if (vsi != pf->vsi[pf->lan_vsi]) + return; + + if (pf->lan_veb != I40E_NO_VEB) { + struct i40e_veb *veb = pf->veb[pf->lan_veb]; + for (j = 0; j < I40E_VEB_STATS_LEN; j++) { + p = (char *)veb; + p += i40e_gstrings_veb_stats[j].stat_offset; + data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == + sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } - for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) - data[i++] = pf->stats.priority_xon_2_xoff[j]; } + for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { + p = (char *)pf + i40e_gstrings_stats[j].stat_offset; + data[i++] = (i40e_gstrings_stats[j].sizeof_stat == + sizeof(u64)) ? *(u64 *)p : *(u32 *)p; + } + for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { + data[i++] = pf->stats.priority_xon_tx[j]; + data[i++] = pf->stats.priority_xoff_tx[j]; + } + for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { + data[i++] = pf->stats.priority_xon_rx[j]; + data[i++] = pf->stats.priority_xoff_rx[j]; + } + for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) + data[i++] = pf->stats.priority_xon_2_xoff[j]; } static void i40e_get_strings(struct net_device *netdev, u32 stringset, @@ -636,46 +773,57 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset, i40e_gstrings_net_stats[i].stat_string); p += ETH_GSTRING_LEN; } + for (i = 0; i < I40E_MISC_STATS_LEN; i++) { + snprintf(p, ETH_GSTRING_LEN, "%s", + i40e_gstrings_misc_stats[i].stat_string); + p += ETH_GSTRING_LEN; + } for (i = 0; i < vsi->num_queue_pairs; i++) { snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); p += ETH_GSTRING_LEN; - } - for (i = 0; i < vsi->num_queue_pairs; i++) { snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); p += ETH_GSTRING_LEN; } - if (vsi == pf->vsi[pf->lan_vsi]) { - for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "port.%s", - i40e_gstrings_stats[i].stat_string); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { - snprintf(p, ETH_GSTRING_LEN, - "port.tx_priority_%u_xon", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, - "port.tx_priority_%u_xoff", i); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { - snprintf(p, ETH_GSTRING_LEN, - "port.rx_priority_%u_xon", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, - "port.rx_priority_%u_xoff", i); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { - snprintf(p, ETH_GSTRING_LEN, - "port.rx_priority_%u_xon_2_xoff", i); + if (vsi != pf->vsi[pf->lan_vsi]) + return; + + if (pf->lan_veb != I40E_NO_VEB) { + for (i = 0; i < I40E_VEB_STATS_LEN; i++) { + snprintf(p, ETH_GSTRING_LEN, "veb.%s", + i40e_gstrings_veb_stats[i].stat_string); p += ETH_GSTRING_LEN; } } + for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { + snprintf(p, ETH_GSTRING_LEN, "port.%s", + i40e_gstrings_stats[i].stat_string); + p += ETH_GSTRING_LEN; + } + for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { + snprintf(p, ETH_GSTRING_LEN, + "port.tx_priority_%u_xon", i); + p += ETH_GSTRING_LEN; + snprintf(p, ETH_GSTRING_LEN, + "port.tx_priority_%u_xoff", i); + p += ETH_GSTRING_LEN; + } + for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { + snprintf(p, ETH_GSTRING_LEN, + "port.rx_priority_%u_xon", i); + p += ETH_GSTRING_LEN; + snprintf(p, ETH_GSTRING_LEN, + "port.rx_priority_%u_xoff", i); + p += ETH_GSTRING_LEN; + } + for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { + snprintf(p, ETH_GSTRING_LEN, + "port.rx_priority_%u_xon_2_xoff", i); + p += ETH_GSTRING_LEN; + } /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ break; } @@ -684,11 +832,44 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset, static int i40e_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { - return ethtool_op_get_ts_info(dev, info); + struct i40e_pf *pf = i40e_netdev_to_pf(dev); + + info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE | + SOF_TIMESTAMPING_TX_HARDWARE | + SOF_TIMESTAMPING_RX_HARDWARE | + SOF_TIMESTAMPING_RAW_HARDWARE; + + if (pf->ptp_clock) + info->phc_index = ptp_clock_index(pf->ptp_clock); + else + info->phc_index = -1; + + info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); + + info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | + (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | + (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | + (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) | + (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | + (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | + (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) | + (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | + (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | + (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | + (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) | + (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); + + return 0; } -static int i40e_link_test(struct i40e_pf *pf, u64 *data) +static int i40e_link_test(struct net_device *netdev, u64 *data) { + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + + netif_info(pf, hw, netdev, "link test\n"); if (i40e_get_link_status(&pf->hw)) *data = 0; else @@ -697,36 +878,51 @@ static int i40e_link_test(struct i40e_pf *pf, u64 *data) return *data; } -static int i40e_reg_test(struct i40e_pf *pf, u64 *data) +static int i40e_reg_test(struct net_device *netdev, u64 *data) { - i40e_status ret; + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; - ret = i40e_diag_reg_test(&pf->hw); - *data = ret; + netif_info(pf, hw, netdev, "register test\n"); + *data = i40e_diag_reg_test(&pf->hw); - return ret; + return *data; } -static int i40e_eeprom_test(struct i40e_pf *pf, u64 *data) +static int i40e_eeprom_test(struct net_device *netdev, u64 *data) { - i40e_status ret; + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; - ret = i40e_diag_eeprom_test(&pf->hw); - *data = ret; + netif_info(pf, hw, netdev, "eeprom test\n"); + *data = i40e_diag_eeprom_test(&pf->hw); - return ret; + return *data; } -static int i40e_intr_test(struct i40e_pf *pf, u64 *data) +static int i40e_intr_test(struct net_device *netdev, u64 *data) { - *data = -ENOSYS; + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + u16 swc_old = pf->sw_int_count; + + netif_info(pf, hw, netdev, "interrupt test\n"); + wr32(&pf->hw, I40E_PFINT_DYN_CTL0, + (I40E_PFINT_DYN_CTL0_INTENA_MASK | + I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK)); + usleep_range(1000, 2000); + *data = (swc_old == pf->sw_int_count); return *data; } -static int i40e_loopback_test(struct i40e_pf *pf, u64 *data) +static int i40e_loopback_test(struct net_device *netdev, u64 *data) { - *data = -ENOSYS; + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + + netif_info(pf, hw, netdev, "loopback test not implemented\n"); + *data = 0; return *data; } @@ -737,42 +933,38 @@ static void i40e_diag_test(struct net_device *netdev, struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_pf *pf = np->vsi->back; - set_bit(__I40E_TESTING, &pf->state); if (eth_test->flags == ETH_TEST_FL_OFFLINE) { /* Offline tests */ + netif_info(pf, drv, netdev, "offline testing starting\n"); - netdev_info(netdev, "offline testing starting\n"); + set_bit(__I40E_TESTING, &pf->state); /* Link test performed before hardware reset * so autoneg doesn't interfere with test result */ - netdev_info(netdev, "link test starting\n"); - if (i40e_link_test(pf, &data[I40E_ETH_TEST_LINK])) + if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) eth_test->flags |= ETH_TEST_FL_FAILED; - netdev_info(netdev, "register test starting\n"); - if (i40e_reg_test(pf, &data[I40E_ETH_TEST_REG])) + if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) eth_test->flags |= ETH_TEST_FL_FAILED; - i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); - netdev_info(netdev, "eeprom test starting\n"); - if (i40e_eeprom_test(pf, &data[I40E_ETH_TEST_EEPROM])) + if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) eth_test->flags |= ETH_TEST_FL_FAILED; - i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); - netdev_info(netdev, "interrupt test starting\n"); - if (i40e_intr_test(pf, &data[I40E_ETH_TEST_INTR])) + if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) eth_test->flags |= ETH_TEST_FL_FAILED; - i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); - netdev_info(netdev, "loopback test starting\n"); - if (i40e_loopback_test(pf, &data[I40E_ETH_TEST_LOOPBACK])) + /* run reg test last, a reset is required after it */ + if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) eth_test->flags |= ETH_TEST_FL_FAILED; + clear_bit(__I40E_TESTING, &pf->state); + i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); } else { - netdev_info(netdev, "online test starting\n"); /* Online tests */ - if (i40e_link_test(pf, &data[I40E_ETH_TEST_LINK])) + netif_info(pf, drv, netdev, "online testing starting\n"); + + if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) eth_test->flags |= ETH_TEST_FL_FAILED; /* Offline only tests, not run in online; pass by default */ @@ -780,16 +972,53 @@ static void i40e_diag_test(struct net_device *netdev, data[I40E_ETH_TEST_EEPROM] = 0; data[I40E_ETH_TEST_INTR] = 0; data[I40E_ETH_TEST_LOOPBACK] = 0; - - clear_bit(__I40E_TESTING, &pf->state); } + + netif_info(pf, drv, netdev, "testing finished\n"); } static void i40e_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) { - wol->supported = 0; - wol->wolopts = 0; + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + struct i40e_hw *hw = &pf->hw; + u16 wol_nvm_bits; + + /* NVM bit on means WoL disabled for the port */ + i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); + if ((1 << hw->port) & wol_nvm_bits) { + wol->supported = 0; + wol->wolopts = 0; + } else { + wol->supported = WAKE_MAGIC; + wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); + } +} + +static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + struct i40e_hw *hw = &pf->hw; + u16 wol_nvm_bits; + + /* NVM bit on means WoL disabled for the port */ + i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); + if (((1 << hw->port) & wol_nvm_bits)) + return -EOPNOTSUPP; + + /* only magic packet is supported */ + if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) + return -EOPNOTSUPP; + + /* is this a new value? */ + if (pf->wol_en != !!wol->wolopts) { + pf->wol_en = !!wol->wolopts; + device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); + } + + return 0; } static int i40e_nway_reset(struct net_device *netdev) @@ -823,13 +1052,13 @@ static int i40e_set_phys_id(struct net_device *netdev, pf->led_status = i40e_led_get(hw); return blink_freq; case ETHTOOL_ID_ON: - i40e_led_set(hw, 0xF); + i40e_led_set(hw, 0xF, false); break; case ETHTOOL_ID_OFF: - i40e_led_set(hw, 0x0); + i40e_led_set(hw, 0x0, false); break; case ETHTOOL_ID_INACTIVE: - i40e_led_set(hw, pf->led_status); + i40e_led_set(hw, pf->led_status, false); break; } @@ -851,14 +1080,13 @@ static int i40e_get_coalesce(struct net_device *netdev, ec->rx_max_coalesced_frames_irq = vsi->work_limit; if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) - ec->rx_coalesce_usecs = 1; - else - ec->rx_coalesce_usecs = vsi->rx_itr_setting; + ec->use_adaptive_rx_coalesce = 1; if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) - ec->tx_coalesce_usecs = 1; - else - ec->tx_coalesce_usecs = vsi->tx_itr_setting; + ec->use_adaptive_tx_coalesce = 1; + + ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; + ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; return 0; } @@ -877,41 +1105,31 @@ static int i40e_set_coalesce(struct net_device *netdev, if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) vsi->work_limit = ec->tx_max_coalesced_frames_irq; - switch (ec->rx_coalesce_usecs) { - case 0: - vsi->rx_itr_setting = 0; - break; - case 1: - vsi->rx_itr_setting = (I40E_ITR_DYNAMIC | - ITR_REG_TO_USEC(I40E_ITR_RX_DEF)); - break; - default: - if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) - return -EINVAL; + if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && + (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) vsi->rx_itr_setting = ec->rx_coalesce_usecs; - break; - } + else + return -EINVAL; - switch (ec->tx_coalesce_usecs) { - case 0: - vsi->tx_itr_setting = 0; - break; - case 1: - vsi->tx_itr_setting = (I40E_ITR_DYNAMIC | - ITR_REG_TO_USEC(I40E_ITR_TX_DEF)); - break; - default: - if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) - return -EINVAL; + if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && + (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) vsi->tx_itr_setting = ec->tx_coalesce_usecs; - break; - } + else + return -EINVAL; + + if (ec->use_adaptive_rx_coalesce) + vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; + else + vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; + + if (ec->use_adaptive_tx_coalesce) + vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; + else + vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; vector = vsi->base_vector; - q_vector = vsi->q_vectors; - for (i = 0; i < vsi->num_q_vectors; i++, vector++, q_vector++) { + for (i = 0; i < vsi->num_q_vectors; i++, vector++) { + q_vector = vsi->q_vectors[i]; q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); @@ -965,6 +1183,92 @@ static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) } /** + * i40e_get_ethtool_fdir_all - Populates the rule count of a command + * @pf: Pointer to the physical function struct + * @cmd: The command to get or set Rx flow classification rules + * @rule_locs: Array of used rule locations + * + * This function populates both the total and actual rule count of + * the ethtool flow classification command + * + * Returns 0 on success or -EMSGSIZE if entry not found + **/ +static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, + struct ethtool_rxnfc *cmd, + u32 *rule_locs) +{ + struct i40e_fdir_filter *rule; + struct hlist_node *node2; + int cnt = 0; + + /* report total rule count */ + cmd->data = i40e_get_fd_cnt_all(pf); + + hlist_for_each_entry_safe(rule, node2, + &pf->fdir_filter_list, fdir_node) { + if (cnt == cmd->rule_cnt) + return -EMSGSIZE; + + rule_locs[cnt] = rule->fd_id; + cnt++; + } + + cmd->rule_cnt = cnt; + + return 0; +} + +/** + * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow + * @pf: Pointer to the physical function struct + * @cmd: The command to get or set Rx flow classification rules + * + * This function looks up a filter based on the Rx flow classification + * command and fills the flow spec info for it if found + * + * Returns 0 on success or -EINVAL if filter not found + **/ +static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, + struct ethtool_rxnfc *cmd) +{ + struct ethtool_rx_flow_spec *fsp = + (struct ethtool_rx_flow_spec *)&cmd->fs; + struct i40e_fdir_filter *rule = NULL; + struct hlist_node *node2; + + hlist_for_each_entry_safe(rule, node2, + &pf->fdir_filter_list, fdir_node) { + if (fsp->location <= rule->fd_id) + break; + } + + if (!rule || fsp->location != rule->fd_id) + return -EINVAL; + + fsp->flow_type = rule->flow_type; + if (fsp->flow_type == IP_USER_FLOW) { + fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; + fsp->h_u.usr_ip4_spec.proto = 0; + fsp->m_u.usr_ip4_spec.proto = 0; + } + + /* Reverse the src and dest notion, since the HW views them from + * Tx perspective where as the user expects it from Rx filter view. + */ + fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; + fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; + fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; + fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; + + if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) + fsp->ring_cookie = RX_CLS_FLOW_DISC; + else + fsp->ring_cookie = rule->q_index; + + return 0; +} + +/** * i40e_get_rxnfc - command to get RX flow classification rules * @netdev: network interface device structure * @cmd: ethtool rxnfc command @@ -988,14 +1292,17 @@ static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, ret = i40e_get_rss_hash_opts(pf, cmd); break; case ETHTOOL_GRXCLSRLCNT: + cmd->rule_cnt = pf->fdir_pf_active_filters; + /* report total rule count */ + cmd->data = i40e_get_fd_cnt_all(pf); ret = 0; break; case ETHTOOL_GRXCLSRULE: - ret = 0; + ret = i40e_get_ethtool_fdir_entry(pf, cmd); break; case ETHTOOL_GRXCLSRLALL: - cmd->data = 500; - ret = 0; + ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); + break; default: break; } @@ -1056,16 +1363,12 @@ static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) case UDP_V4_FLOW: switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { case 0: - hena &= - ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); + hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | + ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); break; case (RXH_L4_B_0_1 | RXH_L4_B_2_3): - hena |= - (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); + hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | + ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); break; default: return -EINVAL; @@ -1074,16 +1377,12 @@ static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) case UDP_V6_FLOW: switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { case 0: - hena &= - ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); + hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | + ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); break; case (RXH_L4_B_0_1 | RXH_L4_B_2_3): - hena |= - (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); + hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | + ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); break; default: return -EINVAL; @@ -1126,265 +1425,191 @@ static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) return 0; } -#define IP_HEADER_OFFSET 14 /** - * i40e_add_del_fdir_udpv4 - Add/Remove UDPv4 Flow Director filters for - * a specific flow spec - * @vsi: pointer to the targeted VSI - * @fd_data: the flow director data required from the FDir descriptor - * @ethtool_rx_flow_spec: the flow spec - * @add: true adds a filter, false removes it + * i40e_match_fdir_input_set - Match a new filter against an existing one + * @rule: The filter already added + * @input: The new filter to comapre against * - * Returns 0 if the filters were successfully added or removed + * Returns true if the two input set match **/ -static int i40e_add_del_fdir_udpv4(struct i40e_vsi *vsi, - struct i40e_fdir_data *fd_data, - struct ethtool_rx_flow_spec *fsp, bool add) +static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, + struct i40e_fdir_filter *input) { - struct i40e_pf *pf = vsi->back; - struct udphdr *udp; - struct iphdr *ip; - bool err = false; - int ret; - int i; - - ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET); - udp = (struct udphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET - + sizeof(struct iphdr)); - - ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src; - ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst; - udp->source = fsp->h_u.tcp_ip4_spec.psrc; - udp->dest = fsp->h_u.tcp_ip4_spec.pdst; - - for (i = I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP; - i <= I40E_FILTER_PCTYPE_NONF_IPV4_UDP; i++) { - fd_data->pctype = i; - ret = i40e_program_fdir_filter(fd_data, pf, add); - - if (ret) { - dev_info(&pf->pdev->dev, - "Filter command send failed for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); - err = true; - } else { - dev_info(&pf->pdev->dev, - "Filter OK for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); - } - } - - return err ? -EOPNOTSUPP : 0; + if ((rule->dst_ip[0] != input->dst_ip[0]) || + (rule->src_ip[0] != input->src_ip[0]) || + (rule->dst_port != input->dst_port) || + (rule->src_port != input->src_port)) + return false; + return true; } /** - * i40e_add_del_fdir_tcpv4 - Add/Remove TCPv4 Flow Director filters for - * a specific flow spec - * @vsi: pointer to the targeted VSI - * @fd_data: the flow director data required from the FDir descriptor - * @ethtool_rx_flow_spec: the flow spec - * @add: true adds a filter, false removes it + * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry + * @vsi: Pointer to the targeted VSI + * @input: The filter to update or NULL to indicate deletion + * @sw_idx: Software index to the filter + * @cmd: The command to get or set Rx flow classification rules + * + * This function updates (or deletes) a Flow Director entry from + * the hlist of the corresponding PF * - * Returns 0 if the filters were successfully added or removed + * Returns 0 on success **/ -static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi, - struct i40e_fdir_data *fd_data, - struct ethtool_rx_flow_spec *fsp, bool add) +static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, + struct i40e_fdir_filter *input, + u16 sw_idx, + struct ethtool_rxnfc *cmd) { + struct i40e_fdir_filter *rule, *parent; struct i40e_pf *pf = vsi->back; - struct tcphdr *tcp; - struct iphdr *ip; - bool err = false; - int ret; + struct hlist_node *node2; + int err = -EINVAL; - ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET); - tcp = (struct tcphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET - + sizeof(struct iphdr)); + parent = NULL; + rule = NULL; - ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst; - tcp->dest = fsp->h_u.tcp_ip4_spec.pdst; - - fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN; - ret = i40e_program_fdir_filter(fd_data, pf, add); + hlist_for_each_entry_safe(rule, node2, + &pf->fdir_filter_list, fdir_node) { + /* hash found, or no matching entry */ + if (rule->fd_id >= sw_idx) + break; + parent = rule; + } - if (ret) { - dev_info(&pf->pdev->dev, - "Filter command send failed for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); - err = true; - } else { - dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); + /* if there is an old rule occupying our place remove it */ + if (rule && (rule->fd_id == sw_idx)) { + if (input && !i40e_match_fdir_input_set(rule, input)) + err = i40e_add_del_fdir(vsi, rule, false); + else if (!input) + err = i40e_add_del_fdir(vsi, rule, false); + hlist_del(&rule->fdir_node); + kfree(rule); + pf->fdir_pf_active_filters--; } - ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src; - tcp->source = fsp->h_u.tcp_ip4_spec.psrc; + /* If no input this was a delete, err should be 0 if a rule was + * successfully found and removed from the list else -EINVAL + */ + if (!input) + return err; - fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP; + /* initialize node and set software index */ + INIT_HLIST_NODE(&input->fdir_node); - ret = i40e_program_fdir_filter(fd_data, pf, add); - if (ret) { - dev_info(&pf->pdev->dev, - "Filter command send failed for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); - err = true; - } else { - dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); - } + /* add filter to the list */ + if (parent) + hlist_add_after(&parent->fdir_node, &input->fdir_node); + else + hlist_add_head(&input->fdir_node, + &pf->fdir_filter_list); - return err ? -EOPNOTSUPP : 0; -} + /* update counts */ + pf->fdir_pf_active_filters++; -/** - * i40e_add_del_fdir_sctpv4 - Add/Remove SCTPv4 Flow Director filters for - * a specific flow spec - * @vsi: pointer to the targeted VSI - * @fd_data: the flow director data required from the FDir descriptor - * @ethtool_rx_flow_spec: the flow spec - * @add: true adds a filter, false removes it - * - * Returns 0 if the filters were successfully added or removed - **/ -static int i40e_add_del_fdir_sctpv4(struct i40e_vsi *vsi, - struct i40e_fdir_data *fd_data, - struct ethtool_rx_flow_spec *fsp, bool add) -{ - return -EOPNOTSUPP; + return 0; } /** - * i40e_add_del_fdir_ipv4 - Add/Remove IPv4 Flow Director filters for - * a specific flow spec - * @vsi: pointer to the targeted VSI - * @fd_data: the flow director data required for the FDir descriptor - * @fsp: the ethtool flow spec - * @add: true adds a filter, false removes it + * i40e_del_fdir_entry - Deletes a Flow Director filter entry + * @vsi: Pointer to the targeted VSI + * @cmd: The command to get or set Rx flow classification rules * - * Returns 0 if the filters were successfully added or removed - **/ -static int i40e_add_del_fdir_ipv4(struct i40e_vsi *vsi, - struct i40e_fdir_data *fd_data, - struct ethtool_rx_flow_spec *fsp, bool add) + * The function removes a Flow Director filter entry from the + * hlist of the corresponding PF + * + * Returns 0 on success + */ +static int i40e_del_fdir_entry(struct i40e_vsi *vsi, + struct ethtool_rxnfc *cmd) { + struct ethtool_rx_flow_spec *fsp = + (struct ethtool_rx_flow_spec *)&cmd->fs; struct i40e_pf *pf = vsi->back; - struct iphdr *ip; - bool err = false; - int ret; - int i; + int ret = 0; - ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET); + ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); - ip->saddr = fsp->h_u.usr_ip4_spec.ip4src; - ip->daddr = fsp->h_u.usr_ip4_spec.ip4dst; - ip->protocol = fsp->h_u.usr_ip4_spec.proto; - - for (i = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER; - i <= I40E_FILTER_PCTYPE_FRAG_IPV4; i++) { - fd_data->pctype = i; - ret = i40e_program_fdir_filter(fd_data, pf, add); - - if (ret) { - dev_info(&pf->pdev->dev, - "Filter command send failed for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); - err = true; - } else { - dev_info(&pf->pdev->dev, - "Filter OK for PCTYPE %d (ret = %d)\n", - fd_data->pctype, ret); - } - } - - return err ? -EOPNOTSUPP : 0; + i40e_fdir_check_and_reenable(pf); + return ret; } /** - * i40e_add_del_fdir_ethtool - Add/Remove Flow Director filters for - * a specific flow spec based on their protocol + * i40e_add_fdir_ethtool - Add/Remove Flow Director filters * @vsi: pointer to the targeted VSI * @cmd: command to get or set RX flow classification rules - * @add: true adds a filter, false removes it * - * Returns 0 if the filters were successfully added or removed + * Add Flow Director filters for a specific flow spec based on their + * protocol. Returns 0 if the filters were successfully added. **/ -static int i40e_add_del_fdir_ethtool(struct i40e_vsi *vsi, - struct ethtool_rxnfc *cmd, bool add) +static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, + struct ethtool_rxnfc *cmd) { - struct i40e_fdir_data fd_data; - int ret = -EINVAL; + struct ethtool_rx_flow_spec *fsp; + struct i40e_fdir_filter *input; struct i40e_pf *pf; - struct ethtool_rx_flow_spec *fsp = - (struct ethtool_rx_flow_spec *)&cmd->fs; + int ret = -EINVAL; if (!vsi) return -EINVAL; pf = vsi->back; + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) + return -EOPNOTSUPP; + + if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) + return -ENOSPC; + + fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; + + if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + + pf->hw.func_caps.fd_filters_guaranteed)) { + return -EINVAL; + } + if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && (fsp->ring_cookie >= vsi->num_queue_pairs)) return -EINVAL; - /* Populate the Flow Director that we have at the moment - * and allocate the raw packet buffer for the calling functions - */ - fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP, - GFP_KERNEL); + input = kzalloc(sizeof(*input), GFP_KERNEL); - if (!fd_data.raw_packet) { - dev_info(&pf->pdev->dev, "Could not allocate memory\n"); + if (!input) return -ENOMEM; - } - fd_data.q_index = fsp->ring_cookie; - fd_data.flex_off = 0; - fd_data.pctype = 0; - fd_data.dest_vsi = vsi->id; - fd_data.dest_ctl = 0; - fd_data.fd_status = 0; - fd_data.cnt_index = 0; - fd_data.fd_id = 0; - - switch (fsp->flow_type & ~FLOW_EXT) { - case TCP_V4_FLOW: - ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add); - break; - case UDP_V4_FLOW: - ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add); - break; - case SCTP_V4_FLOW: - ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add); - break; - case IPV4_FLOW: - ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add); - break; - case IP_USER_FLOW: - switch (fsp->h_u.usr_ip4_spec.proto) { - case IPPROTO_TCP: - ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add); - break; - case IPPROTO_UDP: - ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add); - break; - case IPPROTO_SCTP: - ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add); - break; - default: - ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add); - break; - } - break; - default: - dev_info(&pf->pdev->dev, "Could not specify spec type\n"); - ret = -EINVAL; - } + input->fd_id = fsp->location; - kfree(fd_data.raw_packet); - fd_data.raw_packet = NULL; + if (fsp->ring_cookie == RX_CLS_FLOW_DISC) + input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; + else + input->dest_ctl = + I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; + + input->q_index = fsp->ring_cookie; + input->flex_off = 0; + input->pctype = 0; + input->dest_vsi = vsi->id; + input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; + input->cnt_index = pf->fd_sb_cnt_idx; + input->flow_type = fsp->flow_type; + input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; + + /* Reverse the src and dest notion, since the HW expects them to be from + * Tx perspective where as the input from user is from Rx filter view. + */ + input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; + input->src_port = fsp->h_u.tcp_ip4_spec.pdst; + input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; + input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; + + ret = i40e_add_del_fdir(vsi, input, true); + if (ret) + kfree(input); + else + i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); return ret; } + /** * i40e_set_rxnfc - command to set RX flow classification rules * @netdev: network interface device structure @@ -1404,10 +1629,10 @@ static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) ret = i40e_set_rss_hash_opt(pf, cmd); break; case ETHTOOL_SRXCLSRLINS: - ret = i40e_add_del_fdir_ethtool(vsi, cmd, true); + ret = i40e_add_fdir_ethtool(vsi, cmd); break; case ETHTOOL_SRXCLSRLDEL: - ret = i40e_add_del_fdir_ethtool(vsi, cmd, false); + ret = i40e_del_fdir_entry(vsi, cmd); break; default: break; @@ -1416,6 +1641,94 @@ static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) return ret; } +/** + * i40e_max_channels - get Max number of combined channels supported + * @vsi: vsi pointer + **/ +static unsigned int i40e_max_channels(struct i40e_vsi *vsi) +{ + /* TODO: This code assumes DCB and FD is disabled for now. */ + return vsi->alloc_queue_pairs; +} + +/** + * i40e_get_channels - Get the current channels enabled and max supported etc. + * @netdev: network interface device structure + * @ch: ethtool channels structure + * + * We don't support separate tx and rx queues as channels. The other count + * represents how many queues are being used for control. max_combined counts + * how many queue pairs we can support. They may not be mapped 1 to 1 with + * q_vectors since we support a lot more queue pairs than q_vectors. + **/ +static void i40e_get_channels(struct net_device *dev, + struct ethtool_channels *ch) +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + + /* report maximum channels */ + ch->max_combined = i40e_max_channels(vsi); + + /* report info for other vector */ + ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; + ch->max_other = ch->other_count; + + /* Note: This code assumes DCB is disabled for now. */ + ch->combined_count = vsi->num_queue_pairs; +} + +/** + * i40e_set_channels - Set the new channels count. + * @netdev: network interface device structure + * @ch: ethtool channels structure + * + * The new channels count may not be the same as requested by the user + * since it gets rounded down to a power of 2 value. + **/ +static int i40e_set_channels(struct net_device *dev, + struct ethtool_channels *ch) +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + unsigned int count = ch->combined_count; + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + int new_count; + + /* We do not support setting channels for any other VSI at present */ + if (vsi->type != I40E_VSI_MAIN) + return -EINVAL; + + /* verify they are not requesting separate vectors */ + if (!count || ch->rx_count || ch->tx_count) + return -EINVAL; + + /* verify other_count has not changed */ + if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) + return -EINVAL; + + /* verify the number of channels does not exceed hardware limits */ + if (count > i40e_max_channels(vsi)) + return -EINVAL; + + /* update feature limits from largest to smallest supported values */ + /* TODO: Flow director limit, DCB etc */ + + /* cap RSS limit */ + if (count > pf->rss_size_max) + count = pf->rss_size_max; + + /* use rss_reconfig to rebuild with new queue count and update traffic + * class queue mapping + */ + new_count = i40e_reconfig_rss_queues(pf, count); + if (new_count > 0) + return 0; + else + return -EINVAL; +} + static const struct ethtool_ops i40e_ethtool_ops = { .get_settings = i40e_get_settings, .get_drvinfo = i40e_get_drvinfo, @@ -1424,6 +1737,7 @@ static const struct ethtool_ops i40e_ethtool_ops = { .nway_reset = i40e_nway_reset, .get_link = ethtool_op_get_link, .get_wol = i40e_get_wol, + .set_wol = i40e_set_wol, .get_eeprom_len = i40e_get_eeprom_len, .get_eeprom = i40e_get_eeprom, .get_ringparam = i40e_get_ringparam, @@ -1440,10 +1754,12 @@ static const struct ethtool_ops i40e_ethtool_ops = { .get_ethtool_stats = i40e_get_ethtool_stats, .get_coalesce = i40e_get_coalesce, .set_coalesce = i40e_set_coalesce, + .get_channels = i40e_get_channels, + .set_channels = i40e_set_channels, .get_ts_info = i40e_get_ts_info, }; void i40e_set_ethtool_ops(struct net_device *netdev) { - SET_ETHTOOL_OPS(netdev, &i40e_ethtool_ops); + netdev->ethtool_ops = &i40e_ethtool_ops; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_hmc.c b/drivers/net/ethernet/intel/i40e/i40e_hmc.c index 901804af8b0..9b987ccc9e8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_hmc.c +++ b/drivers/net/ethernet/intel/i40e/i40e_hmc.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -47,10 +46,10 @@ i40e_status i40e_add_sd_table_entry(struct i40e_hw *hw, u64 direct_mode_sz) { enum i40e_memory_type mem_type __attribute__((unused)); - i40e_status ret_code = 0; struct i40e_hmc_sd_entry *sd_entry; bool dma_mem_alloc_done = false; struct i40e_dma_mem mem; + i40e_status ret_code; u64 alloc_len; if (NULL == hmc_info->sd_table.sd_entry) { @@ -90,11 +89,9 @@ i40e_status i40e_add_sd_table_entry(struct i40e_hw *hw, sd_entry->u.pd_table.pd_entry = (struct i40e_hmc_pd_entry *) sd_entry->u.pd_table.pd_entry_virt_mem.va; - memcpy(&sd_entry->u.pd_table.pd_page_addr, &mem, - sizeof(struct i40e_dma_mem)); + sd_entry->u.pd_table.pd_page_addr = mem; } else { - memcpy(&sd_entry->u.bp.addr, &mem, - sizeof(struct i40e_dma_mem)); + sd_entry->u.bp.addr = mem; sd_entry->u.bp.sd_pd_index = sd_index; } /* initialize the sd entry */ @@ -165,7 +162,7 @@ i40e_status i40e_add_pd_table_entry(struct i40e_hw *hw, if (ret_code) goto exit; - memcpy(&pd_entry->bp.addr, &mem, sizeof(struct i40e_dma_mem)); + pd_entry->bp.addr = mem; pd_entry->bp.sd_pd_index = pd_index; pd_entry->bp.entry_type = I40E_SD_TYPE_PAGED; /* Set page address and valid bit */ @@ -204,7 +201,7 @@ exit: **/ i40e_status i40e_remove_pd_bp(struct i40e_hw *hw, struct i40e_hmc_info *hmc_info, - u32 idx, bool is_pf) + u32 idx) { i40e_status ret_code = 0; struct i40e_hmc_pd_entry *pd_entry; @@ -240,10 +237,7 @@ i40e_status i40e_remove_pd_bp(struct i40e_hw *hw, pd_addr = (u64 *)pd_table->pd_page_addr.va; pd_addr += rel_pd_idx; memset(pd_addr, 0, sizeof(u64)); - if (is_pf) - I40E_INVALIDATE_PF_HMC_PD(hw, sd_idx, idx); - else - I40E_INVALIDATE_VF_HMC_PD(hw, sd_idx, idx, hmc_info->hmc_fn_id); + I40E_INVALIDATE_PF_HMC_PD(hw, sd_idx, idx); /* free memory here */ ret_code = i40e_free_dma_mem(hw, &(pd_entry->bp.addr)); diff --git a/drivers/net/ethernet/intel/i40e/i40e_hmc.h b/drivers/net/ethernet/intel/i40e/i40e_hmc.h index aacd42a261e..b45d8fedc5e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_hmc.h +++ b/drivers/net/ethernet/intel/i40e/i40e_hmc.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -117,7 +116,6 @@ struct i40e_hmc_info { * @hw: pointer to our hw struct * @pa: pointer to physical address * @sd_index: segment descriptor index - * @hmc_fn_id: hmc function id * @type: if sd entry is direct or paged **/ #define I40E_SET_PF_SD_ENTRY(hw, pa, sd_index, type) \ @@ -139,7 +137,6 @@ struct i40e_hmc_info { * I40E_CLEAR_PF_SD_ENTRY - marks the sd entry as invalid in the hardware * @hw: pointer to our hw struct * @sd_index: segment descriptor index - * @hmc_fn_id: hmc function id * @type: if sd entry is direct or paged **/ #define I40E_CLEAR_PF_SD_ENTRY(hw, sd_index, type) \ @@ -160,18 +157,12 @@ struct i40e_hmc_info { * @hw: pointer to our hw struct * @sd_idx: segment descriptor index * @pd_idx: page descriptor index - * @hmc_fn_id: hmc function id **/ #define I40E_INVALIDATE_PF_HMC_PD(hw, sd_idx, pd_idx) \ wr32((hw), I40E_PFHMC_PDINV, \ (((sd_idx) << I40E_PFHMC_PDINV_PMSDIDX_SHIFT) | \ ((pd_idx) << I40E_PFHMC_PDINV_PMPDIDX_SHIFT))) -#define I40E_INVALIDATE_VF_HMC_PD(hw, sd_idx, pd_idx, hmc_fn_id) \ - wr32((hw), I40E_GLHMC_VFPDINV((hmc_fn_id) - I40E_FIRST_VF_FPM_ID), \ - (((sd_idx) << I40E_PFHMC_PDINV_PMSDIDX_SHIFT) | \ - ((pd_idx) << I40E_PFHMC_PDINV_PMPDIDX_SHIFT))) - /** * I40E_FIND_SD_INDEX_LIMIT - finds segment descriptor index limit * @hmc_info: pointer to the HMC configuration information structure @@ -230,7 +221,7 @@ i40e_status i40e_add_pd_table_entry(struct i40e_hw *hw, u32 pd_index); i40e_status i40e_remove_pd_bp(struct i40e_hw *hw, struct i40e_hmc_info *hmc_info, - u32 idx, bool is_pf); + u32 idx); i40e_status i40e_prep_remove_sd_bp(struct i40e_hmc_info *hmc_info, u32 idx); i40e_status i40e_remove_sd_bp_new(struct i40e_hw *hw, diff --git a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c index a695b91c9c7..870ab1ee072 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c +++ b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -398,7 +397,7 @@ static i40e_status i40e_create_lan_hmc_object(struct i40e_hw *hw, /* remove the backing pages from pd_idx1 to i */ while (i && (i > pd_idx1)) { i40e_remove_pd_bp(hw, info->hmc_info, - (i - 1), true); + (i - 1)); i--; } } @@ -434,11 +433,7 @@ exit_sd_error: ((j - 1) * I40E_HMC_MAX_BP_COUNT)); pd_lmt1 = min(pd_lmt, (j * I40E_HMC_MAX_BP_COUNT)); for (i = pd_idx1; i < pd_lmt1; i++) { - i40e_remove_pd_bp( - hw, - info->hmc_info, - i, - true); + i40e_remove_pd_bp(hw, info->hmc_info, i); } i40e_remove_pd_page(hw, info->hmc_info, (j - 1)); break; @@ -486,8 +481,7 @@ i40e_status i40e_configure_lan_hmc(struct i40e_hw *hw, /* Make one big object, a single SD */ info.count = 1; ret_code = i40e_create_lan_hmc_object(hw, &info); - if ((ret_code) && - (model == I40E_HMC_MODEL_DIRECT_PREFERRED)) + if (ret_code && (model == I40E_HMC_MODEL_DIRECT_PREFERRED)) goto try_type_paged; else if (ret_code) goto configure_lan_hmc_out; @@ -618,8 +612,7 @@ static i40e_status i40e_delete_lan_hmc_object(struct i40e_hw *hw, pd_table = &info->hmc_info->sd_table.sd_entry[sd_idx].u.pd_table; if (pd_table->pd_entry[rel_pd_idx].valid) { - ret_code = i40e_remove_pd_bp(hw, info->hmc_info, - j, true); + ret_code = i40e_remove_pd_bp(hw, info->hmc_info, j); if (ret_code) goto exit; } @@ -749,6 +742,7 @@ static struct i40e_context_ele i40e_hmc_rxq_ce_info[] = { { I40E_HMC_STORE(i40e_hmc_obj_rxq, tphdata_ena), 1, 195 }, { I40E_HMC_STORE(i40e_hmc_obj_rxq, tphhead_ena), 1, 196 }, { I40E_HMC_STORE(i40e_hmc_obj_rxq, lrxqthresh), 3, 198 }, + { I40E_HMC_STORE(i40e_hmc_obj_rxq, prefena), 1, 201 }, { 0 } }; diff --git a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.h b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.h index 00ff3500607..eb65fe23c4a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.h +++ b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -57,6 +56,7 @@ struct i40e_hmc_obj_rxq { u8 tphdata_ena; u8 tphhead_ena; u8 lrxqthresh; + u8 prefena; /* NOTE: normally must be set to 1 at init */ }; /* Tx queue context data */ @@ -113,8 +113,8 @@ enum i40e_hmc_lan_object_size { #define I40E_HMC_L2OBJ_BASE_ALIGNMENT 512 #define I40E_HMC_OBJ_SIZE_TXQ 128 #define I40E_HMC_OBJ_SIZE_RXQ 32 -#define I40E_HMC_OBJ_SIZE_FCOE_CNTX 128 -#define I40E_HMC_OBJ_SIZE_FCOE_FILT 32 +#define I40E_HMC_OBJ_SIZE_FCOE_CNTX 64 +#define I40E_HMC_OBJ_SIZE_FCOE_FILT 64 enum i40e_hmc_lan_rsrc_type { I40E_HMC_LAN_FULL = 0, diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 601d482694e..275ca9a1719 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -27,6 +26,10 @@ /* Local includes */ #include "i40e.h" +#include "i40e_diag.h" +#ifdef CONFIG_I40E_VXLAN +#include <net/vxlan.h> +#endif const char i40e_driver_name[] = "i40e"; static const char i40e_driver_string[] = @@ -35,23 +38,25 @@ static const char i40e_driver_string[] = #define DRV_KERN "-k" #define DRV_VERSION_MAJOR 0 -#define DRV_VERSION_MINOR 3 -#define DRV_VERSION_BUILD 9 +#define DRV_VERSION_MINOR 4 +#define DRV_VERSION_BUILD 10 #define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \ __stringify(DRV_VERSION_MINOR) "." \ __stringify(DRV_VERSION_BUILD) DRV_KERN const char i40e_driver_version_str[] = DRV_VERSION; -static const char i40e_copyright[] = "Copyright (c) 2013 Intel Corporation."; +static const char i40e_copyright[] = "Copyright (c) 2013 - 2014 Intel Corporation."; /* a bit of forward declarations */ static void i40e_vsi_reinit_locked(struct i40e_vsi *vsi); static void i40e_handle_reset_warning(struct i40e_pf *pf); static int i40e_add_vsi(struct i40e_vsi *vsi); static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi); -static int i40e_setup_pf_switch(struct i40e_pf *pf); +static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit); static int i40e_setup_misc_vector(struct i40e_pf *pf); static void i40e_determine_queue_usage(struct i40e_pf *pf); static int i40e_setup_pf_filter_control(struct i40e_pf *pf); +static void i40e_fdir_sb_setup(struct i40e_pf *pf); +static int i40e_veb_get_bw_info(struct i40e_veb *veb); /* i40e_pci_tbl - PCI Device ID Table * @@ -61,16 +66,14 @@ static int i40e_setup_pf_filter_control(struct i40e_pf *pf); * Class, Class Mask, private data (not used) } */ static DEFINE_PCI_DEVICE_TABLE(i40e_pci_tbl) = { - {PCI_VDEVICE(INTEL, I40E_SFP_XL710_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_SFP_X710_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_QEMU_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_KX_A_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_KX_B_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_KX_C_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_KX_D_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_QSFP_A_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_QSFP_B_DEVICE_ID), 0}, - {PCI_VDEVICE(INTEL, I40E_QSFP_C_DEVICE_ID), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_SFP_XL710), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_QEMU), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_A), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_B), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_C), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_QSFP_A), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_QSFP_B), 0}, + {PCI_VDEVICE(INTEL, I40E_DEV_ID_QSFP_C), 0}, /* required last entry */ {0, } }; @@ -101,10 +104,10 @@ int i40e_allocate_dma_mem_d(struct i40e_hw *hw, struct i40e_dma_mem *mem, mem->size = ALIGN(size, alignment); mem->va = dma_zalloc_coherent(&pf->pdev->dev, mem->size, &mem->pa, GFP_KERNEL); - if (mem->va) - return 0; + if (!mem->va) + return -ENOMEM; - return -ENOMEM; + return 0; } /** @@ -136,10 +139,10 @@ int i40e_allocate_virt_mem_d(struct i40e_hw *hw, struct i40e_virt_mem *mem, mem->size = size; mem->va = kzalloc(size, GFP_KERNEL); - if (mem->va) - return 0; + if (!mem->va) + return -ENOMEM; - return -ENOMEM; + return 0; } /** @@ -174,8 +177,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, u16 needed, u16 id) { int ret = -ENOMEM; - int i = 0; - int j = 0; + int i, j; if (!pile || needed == 0 || id >= I40E_PILE_VALID_BIT) { dev_info(&pf->pdev->dev, @@ -186,7 +188,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, /* start the linear search with an imperfect hint */ i = pile->search_hint; - while (i < pile->num_entries && ret < 0) { + while (i < pile->num_entries) { /* skip already allocated entries */ if (pile->list[i] & I40E_PILE_VALID_BIT) { i++; @@ -205,6 +207,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, pile->list[i+j] = id | I40E_PILE_VALID_BIT; ret = i; pile->search_hint = i + j; + break; } else { /* not enough, so skip over it and continue looking */ i += j; @@ -301,6 +304,7 @@ static void i40e_tx_timeout(struct net_device *netdev) break; default: netdev_err(netdev, "tx_timeout recovery unsuccessful\n"); + set_bit(__I40E_DOWN, &vsi->state); i40e_down(vsi); break; } @@ -347,14 +351,59 @@ struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi) **/ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( struct net_device *netdev, - struct rtnl_link_stats64 *storage) + struct rtnl_link_stats64 *stats) { struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_ring *tx_ring, *rx_ring; struct i40e_vsi *vsi = np->vsi; + struct rtnl_link_stats64 *vsi_stats = i40e_get_vsi_stats_struct(vsi); + int i; + + if (test_bit(__I40E_DOWN, &vsi->state)) + return stats; + + if (!vsi->tx_rings) + return stats; - *storage = *i40e_get_vsi_stats_struct(vsi); + rcu_read_lock(); + for (i = 0; i < vsi->num_queue_pairs; i++) { + u64 bytes, packets; + unsigned int start; + + tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); + if (!tx_ring) + continue; + + do { + start = u64_stats_fetch_begin_irq(&tx_ring->syncp); + packets = tx_ring->stats.packets; + bytes = tx_ring->stats.bytes; + } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); - return storage; + stats->tx_packets += packets; + stats->tx_bytes += bytes; + rx_ring = &tx_ring[1]; + + do { + start = u64_stats_fetch_begin_irq(&rx_ring->syncp); + packets = rx_ring->stats.packets; + bytes = rx_ring->stats.bytes; + } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); + + stats->rx_packets += packets; + stats->rx_bytes += bytes; + } + rcu_read_unlock(); + + /* following stats updated by i40e_watchdog_subtask() */ + stats->multicast = vsi_stats->multicast; + stats->tx_errors = vsi_stats->tx_errors; + stats->tx_dropped = vsi_stats->tx_dropped; + stats->rx_errors = vsi_stats->rx_errors; + stats->rx_crc_errors = vsi_stats->rx_crc_errors; + stats->rx_length_errors = vsi_stats->rx_length_errors; + + return stats; } /** @@ -374,13 +423,18 @@ void i40e_vsi_reset_stats(struct i40e_vsi *vsi) memset(&vsi->net_stats_offsets, 0, sizeof(vsi->net_stats_offsets)); memset(&vsi->eth_stats, 0, sizeof(vsi->eth_stats)); memset(&vsi->eth_stats_offsets, 0, sizeof(vsi->eth_stats_offsets)); - if (vsi->rx_rings) + if (vsi->rx_rings && vsi->rx_rings[0]) { for (i = 0; i < vsi->num_queue_pairs; i++) { - memset(&vsi->rx_rings[i].rx_stats, 0 , - sizeof(vsi->rx_rings[i].rx_stats)); - memset(&vsi->tx_rings[i].tx_stats, 0, - sizeof(vsi->tx_rings[i].tx_stats)); + memset(&vsi->rx_rings[i]->stats, 0 , + sizeof(vsi->rx_rings[i]->stats)); + memset(&vsi->rx_rings[i]->rx_stats, 0 , + sizeof(vsi->rx_rings[i]->rx_stats)); + memset(&vsi->tx_rings[i]->stats, 0 , + sizeof(vsi->tx_rings[i]->stats)); + memset(&vsi->tx_rings[i]->tx_stats, 0, + sizeof(vsi->tx_rings[i]->tx_stats)); } + } vsi->stat_offsets_loaded = false; } @@ -415,7 +469,7 @@ static void i40e_stat_update48(struct i40e_hw *hw, u32 hireg, u32 loreg, { u64 new_data; - if (hw->device_id == I40E_QEMU_DEVICE_ID) { + if (hw->device_id == I40E_DEV_ID_QEMU) { new_data = rd32(hw, loreg); new_data |= ((u64)(rd32(hw, hireg) & 0xFFFF)) << 32; } else { @@ -474,6 +528,12 @@ void i40e_update_eth_stats(struct i40e_vsi *vsi) i40e_stat_update32(hw, I40E_GLV_RDPC(stat_idx), vsi->stat_offsets_loaded, &oes->rx_discards, &es->rx_discards); + i40e_stat_update32(hw, I40E_GLV_RUPP(stat_idx), + vsi->stat_offsets_loaded, + &oes->rx_unknown_protocol, &es->rx_unknown_protocol); + i40e_stat_update32(hw, I40E_GLV_TEPC(stat_idx), + vsi->stat_offsets_loaded, + &oes->tx_errors, &es->tx_errors); i40e_stat_update48(hw, I40E_GLV_GORCH(stat_idx), I40E_GLV_GORCL(stat_idx), @@ -531,10 +591,11 @@ static void i40e_update_veb_stats(struct i40e_veb *veb) i40e_stat_update32(hw, I40E_GLSW_TDPC(idx), veb->stat_offsets_loaded, &oes->tx_discards, &es->tx_discards); - i40e_stat_update32(hw, I40E_GLSW_RUPP(idx), - veb->stat_offsets_loaded, - &oes->rx_unknown_protocol, &es->rx_unknown_protocol); - + if (hw->revision_id > 0) + i40e_stat_update32(hw, I40E_GLSW_RUPP(idx), + veb->stat_offsets_loaded, + &oes->rx_unknown_protocol, + &es->rx_unknown_protocol); i40e_stat_update48(hw, I40E_GLSW_GORCH(idx), I40E_GLSW_GORCL(idx), veb->stat_offsets_loaded, &oes->rx_bytes, &es->rx_bytes); @@ -591,14 +652,14 @@ static void i40e_update_link_xoff_rx(struct i40e_pf *pf) return; /* Clear the __I40E_HANG_CHECK_ARMED bit for all Tx rings */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; - if (!vsi) + if (!vsi || !vsi->tx_rings[0]) continue; for (i = 0; i < vsi->num_queue_pairs; i++) { - struct i40e_ring *ring = &vsi->tx_rings[i]; + struct i40e_ring *ring = vsi->tx_rings[i]; clear_bit(__I40E_HANG_CHECK_ARMED, &ring->state); } } @@ -645,14 +706,14 @@ static void i40e_update_prio_xoff_rx(struct i40e_pf *pf) } /* Clear the __I40E_HANG_CHECK_ARMED bit for Tx rings */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; - if (!vsi) + if (!vsi || !vsi->tx_rings[0]) continue; for (i = 0; i < vsi->num_queue_pairs; i++) { - struct i40e_ring *ring = &vsi->tx_rings[i]; + struct i40e_ring *ring = vsi->tx_rings[i]; tc = ring->dcb_tc; if (xoff[tc]) @@ -663,19 +724,18 @@ static void i40e_update_prio_xoff_rx(struct i40e_pf *pf) } /** - * i40e_update_stats - Update the board statistics counters. + * i40e_update_vsi_stats - Update the vsi statistics counters. * @vsi: the VSI to be updated * * There are a few instances where we store the same stat in a * couple of different structs. This is partly because we have * the netdev stats that need to be filled out, which is slightly * different from the "eth_stats" defined by the chip and used in - * VF communications. We sort it all out here in a central place. + * VF communications. We sort it out here. **/ -void i40e_update_stats(struct i40e_vsi *vsi) +static void i40e_update_vsi_stats(struct i40e_vsi *vsi) { struct i40e_pf *pf = vsi->back; - struct i40e_hw *hw = &pf->hw; struct rtnl_link_stats64 *ons; struct rtnl_link_stats64 *ns; /* netdev stats */ struct i40e_eth_stats *oes; @@ -684,7 +744,6 @@ void i40e_update_stats(struct i40e_vsi *vsi) u32 rx_page, rx_buf; u64 rx_p, rx_b; u64 tx_p, tx_b; - int i; u16 q; if (test_bit(__I40E_DOWN, &vsi->state) || @@ -704,21 +763,38 @@ void i40e_update_stats(struct i40e_vsi *vsi) tx_restart = tx_busy = 0; rx_page = 0; rx_buf = 0; + rcu_read_lock(); for (q = 0; q < vsi->num_queue_pairs; q++) { struct i40e_ring *p; + u64 bytes, packets; + unsigned int start; - p = &vsi->rx_rings[q]; - rx_b += p->rx_stats.bytes; - rx_p += p->rx_stats.packets; - rx_buf += p->rx_stats.alloc_rx_buff_failed; - rx_page += p->rx_stats.alloc_rx_page_failed; + /* locate Tx ring */ + p = ACCESS_ONCE(vsi->tx_rings[q]); - p = &vsi->tx_rings[q]; - tx_b += p->tx_stats.bytes; - tx_p += p->tx_stats.packets; + do { + start = u64_stats_fetch_begin_irq(&p->syncp); + packets = p->stats.packets; + bytes = p->stats.bytes; + } while (u64_stats_fetch_retry_irq(&p->syncp, start)); + tx_b += bytes; + tx_p += packets; tx_restart += p->tx_stats.restart_queue; tx_busy += p->tx_stats.tx_busy; - } + + /* Rx queue is part of the same block as Tx queue */ + p = &p[1]; + do { + start = u64_stats_fetch_begin_irq(&p->syncp); + packets = p->stats.packets; + bytes = p->stats.bytes; + } while (u64_stats_fetch_retry_irq(&p->syncp, start)); + rx_b += bytes; + rx_p += packets; + rx_buf += p->rx_stats.alloc_buff_failed; + rx_page += p->rx_stats.alloc_page_failed; + } + rcu_read_unlock(); vsi->tx_restart = tx_restart; vsi->tx_busy = tx_busy; vsi->rx_page_failed = rx_page; @@ -729,182 +805,256 @@ void i40e_update_stats(struct i40e_vsi *vsi) ns->tx_packets = tx_p; ns->tx_bytes = tx_b; - i40e_update_eth_stats(vsi); /* update netdev stats from eth stats */ - ons->rx_errors = oes->rx_errors; - ns->rx_errors = es->rx_errors; + i40e_update_eth_stats(vsi); ons->tx_errors = oes->tx_errors; ns->tx_errors = es->tx_errors; ons->multicast = oes->rx_multicast; ns->multicast = es->rx_multicast; + ons->rx_dropped = oes->rx_discards; + ns->rx_dropped = es->rx_discards; ons->tx_dropped = oes->tx_discards; ns->tx_dropped = es->tx_discards; - /* Get the port data only if this is the main PF VSI */ + /* pull in a couple PF stats if this is the main vsi */ if (vsi == pf->vsi[pf->lan_vsi]) { - struct i40e_hw_port_stats *nsd = &pf->stats; - struct i40e_hw_port_stats *osd = &pf->stats_offsets; + ns->rx_crc_errors = pf->stats.crc_errors; + ns->rx_errors = pf->stats.crc_errors + pf->stats.illegal_bytes; + ns->rx_length_errors = pf->stats.rx_length_errors; + } +} - i40e_stat_update48(hw, I40E_GLPRT_GORCH(hw->port), - I40E_GLPRT_GORCL(hw->port), - pf->stat_offsets_loaded, - &osd->eth.rx_bytes, &nsd->eth.rx_bytes); - i40e_stat_update48(hw, I40E_GLPRT_GOTCH(hw->port), - I40E_GLPRT_GOTCL(hw->port), - pf->stat_offsets_loaded, - &osd->eth.tx_bytes, &nsd->eth.tx_bytes); - i40e_stat_update32(hw, I40E_GLPRT_RDPC(hw->port), - pf->stat_offsets_loaded, - &osd->eth.rx_discards, - &nsd->eth.rx_discards); - i40e_stat_update32(hw, I40E_GLPRT_TDPC(hw->port), - pf->stat_offsets_loaded, - &osd->eth.tx_discards, - &nsd->eth.tx_discards); - i40e_stat_update48(hw, I40E_GLPRT_MPRCH(hw->port), - I40E_GLPRT_MPRCL(hw->port), - pf->stat_offsets_loaded, - &osd->eth.rx_multicast, - &nsd->eth.rx_multicast); +/** + * i40e_update_pf_stats - Update the pf statistics counters. + * @pf: the PF to be updated + **/ +static void i40e_update_pf_stats(struct i40e_pf *pf) +{ + struct i40e_hw_port_stats *osd = &pf->stats_offsets; + struct i40e_hw_port_stats *nsd = &pf->stats; + struct i40e_hw *hw = &pf->hw; + u32 val; + int i; - i40e_stat_update32(hw, I40E_GLPRT_TDOLD(hw->port), - pf->stat_offsets_loaded, - &osd->tx_dropped_link_down, - &nsd->tx_dropped_link_down); + i40e_stat_update48(hw, I40E_GLPRT_GORCH(hw->port), + I40E_GLPRT_GORCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_bytes, &nsd->eth.rx_bytes); + i40e_stat_update48(hw, I40E_GLPRT_GOTCH(hw->port), + I40E_GLPRT_GOTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_bytes, &nsd->eth.tx_bytes); + i40e_stat_update32(hw, I40E_GLPRT_RDPC(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_discards, + &nsd->eth.rx_discards); + i40e_stat_update32(hw, I40E_GLPRT_TDPC(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_discards, + &nsd->eth.tx_discards); - i40e_stat_update32(hw, I40E_GLPRT_CRCERRS(hw->port), - pf->stat_offsets_loaded, - &osd->crc_errors, &nsd->crc_errors); - ns->rx_crc_errors = nsd->crc_errors; + i40e_stat_update48(hw, I40E_GLPRT_UPRCH(hw->port), + I40E_GLPRT_UPRCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_unicast, + &nsd->eth.rx_unicast); + i40e_stat_update48(hw, I40E_GLPRT_MPRCH(hw->port), + I40E_GLPRT_MPRCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_multicast, + &nsd->eth.rx_multicast); + i40e_stat_update48(hw, I40E_GLPRT_BPRCH(hw->port), + I40E_GLPRT_BPRCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_broadcast, + &nsd->eth.rx_broadcast); + i40e_stat_update48(hw, I40E_GLPRT_UPTCH(hw->port), + I40E_GLPRT_UPTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_unicast, + &nsd->eth.tx_unicast); + i40e_stat_update48(hw, I40E_GLPRT_MPTCH(hw->port), + I40E_GLPRT_MPTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_multicast, + &nsd->eth.tx_multicast); + i40e_stat_update48(hw, I40E_GLPRT_BPTCH(hw->port), + I40E_GLPRT_BPTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_broadcast, + &nsd->eth.tx_broadcast); - i40e_stat_update32(hw, I40E_GLPRT_ILLERRC(hw->port), - pf->stat_offsets_loaded, - &osd->illegal_bytes, &nsd->illegal_bytes); - ns->rx_errors = nsd->crc_errors - + nsd->illegal_bytes; + i40e_stat_update32(hw, I40E_GLPRT_TDOLD(hw->port), + pf->stat_offsets_loaded, + &osd->tx_dropped_link_down, + &nsd->tx_dropped_link_down); - i40e_stat_update32(hw, I40E_GLPRT_MLFC(hw->port), - pf->stat_offsets_loaded, - &osd->mac_local_faults, - &nsd->mac_local_faults); - i40e_stat_update32(hw, I40E_GLPRT_MRFC(hw->port), - pf->stat_offsets_loaded, - &osd->mac_remote_faults, - &nsd->mac_remote_faults); + i40e_stat_update32(hw, I40E_GLPRT_CRCERRS(hw->port), + pf->stat_offsets_loaded, + &osd->crc_errors, &nsd->crc_errors); - i40e_stat_update32(hw, I40E_GLPRT_RLEC(hw->port), - pf->stat_offsets_loaded, - &osd->rx_length_errors, - &nsd->rx_length_errors); - ns->rx_length_errors = nsd->rx_length_errors; + i40e_stat_update32(hw, I40E_GLPRT_ILLERRC(hw->port), + pf->stat_offsets_loaded, + &osd->illegal_bytes, &nsd->illegal_bytes); - i40e_stat_update32(hw, I40E_GLPRT_LXONRXC(hw->port), - pf->stat_offsets_loaded, - &osd->link_xon_rx, &nsd->link_xon_rx); - i40e_stat_update32(hw, I40E_GLPRT_LXONTXC(hw->port), - pf->stat_offsets_loaded, - &osd->link_xon_tx, &nsd->link_xon_tx); - i40e_update_prio_xoff_rx(pf); /* handles I40E_GLPRT_LXOFFRXC */ - i40e_stat_update32(hw, I40E_GLPRT_LXOFFTXC(hw->port), - pf->stat_offsets_loaded, - &osd->link_xoff_tx, &nsd->link_xoff_tx); - - for (i = 0; i < 8; i++) { - i40e_stat_update32(hw, I40E_GLPRT_PXONRXC(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xon_rx[i], - &nsd->priority_xon_rx[i]); - i40e_stat_update32(hw, I40E_GLPRT_PXONTXC(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xon_tx[i], - &nsd->priority_xon_tx[i]); - i40e_stat_update32(hw, I40E_GLPRT_PXOFFTXC(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xoff_tx[i], - &nsd->priority_xoff_tx[i]); - i40e_stat_update32(hw, - I40E_GLPRT_RXON2OFFCNT(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xon_2_xoff[i], - &nsd->priority_xon_2_xoff[i]); - } + i40e_stat_update32(hw, I40E_GLPRT_MLFC(hw->port), + pf->stat_offsets_loaded, + &osd->mac_local_faults, + &nsd->mac_local_faults); + i40e_stat_update32(hw, I40E_GLPRT_MRFC(hw->port), + pf->stat_offsets_loaded, + &osd->mac_remote_faults, + &nsd->mac_remote_faults); - i40e_stat_update48(hw, I40E_GLPRT_PRC64H(hw->port), - I40E_GLPRT_PRC64L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_64, &nsd->rx_size_64); - i40e_stat_update48(hw, I40E_GLPRT_PRC127H(hw->port), - I40E_GLPRT_PRC127L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_127, &nsd->rx_size_127); - i40e_stat_update48(hw, I40E_GLPRT_PRC255H(hw->port), - I40E_GLPRT_PRC255L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_255, &nsd->rx_size_255); - i40e_stat_update48(hw, I40E_GLPRT_PRC511H(hw->port), - I40E_GLPRT_PRC511L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_511, &nsd->rx_size_511); - i40e_stat_update48(hw, I40E_GLPRT_PRC1023H(hw->port), - I40E_GLPRT_PRC1023L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_1023, &nsd->rx_size_1023); - i40e_stat_update48(hw, I40E_GLPRT_PRC1522H(hw->port), - I40E_GLPRT_PRC1522L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_1522, &nsd->rx_size_1522); - i40e_stat_update48(hw, I40E_GLPRT_PRC9522H(hw->port), - I40E_GLPRT_PRC9522L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_big, &nsd->rx_size_big); + i40e_stat_update32(hw, I40E_GLPRT_RLEC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_length_errors, + &nsd->rx_length_errors); - i40e_stat_update48(hw, I40E_GLPRT_PTC64H(hw->port), - I40E_GLPRT_PTC64L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_64, &nsd->tx_size_64); - i40e_stat_update48(hw, I40E_GLPRT_PTC127H(hw->port), - I40E_GLPRT_PTC127L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_127, &nsd->tx_size_127); - i40e_stat_update48(hw, I40E_GLPRT_PTC255H(hw->port), - I40E_GLPRT_PTC255L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_255, &nsd->tx_size_255); - i40e_stat_update48(hw, I40E_GLPRT_PTC511H(hw->port), - I40E_GLPRT_PTC511L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_511, &nsd->tx_size_511); - i40e_stat_update48(hw, I40E_GLPRT_PTC1023H(hw->port), - I40E_GLPRT_PTC1023L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_1023, &nsd->tx_size_1023); - i40e_stat_update48(hw, I40E_GLPRT_PTC1522H(hw->port), - I40E_GLPRT_PTC1522L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_1522, &nsd->tx_size_1522); - i40e_stat_update48(hw, I40E_GLPRT_PTC9522H(hw->port), - I40E_GLPRT_PTC9522L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_big, &nsd->tx_size_big); + i40e_stat_update32(hw, I40E_GLPRT_LXONRXC(hw->port), + pf->stat_offsets_loaded, + &osd->link_xon_rx, &nsd->link_xon_rx); + i40e_stat_update32(hw, I40E_GLPRT_LXONTXC(hw->port), + pf->stat_offsets_loaded, + &osd->link_xon_tx, &nsd->link_xon_tx); + i40e_update_prio_xoff_rx(pf); /* handles I40E_GLPRT_LXOFFRXC */ + i40e_stat_update32(hw, I40E_GLPRT_LXOFFTXC(hw->port), + pf->stat_offsets_loaded, + &osd->link_xoff_tx, &nsd->link_xoff_tx); - i40e_stat_update32(hw, I40E_GLPRT_RUC(hw->port), + for (i = 0; i < 8; i++) { + i40e_stat_update32(hw, I40E_GLPRT_PXONRXC(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_undersize, &nsd->rx_undersize); - i40e_stat_update32(hw, I40E_GLPRT_RFC(hw->port), + &osd->priority_xon_rx[i], + &nsd->priority_xon_rx[i]); + i40e_stat_update32(hw, I40E_GLPRT_PXONTXC(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_fragments, &nsd->rx_fragments); - i40e_stat_update32(hw, I40E_GLPRT_ROC(hw->port), + &osd->priority_xon_tx[i], + &nsd->priority_xon_tx[i]); + i40e_stat_update32(hw, I40E_GLPRT_PXOFFTXC(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_oversize, &nsd->rx_oversize); - i40e_stat_update32(hw, I40E_GLPRT_RJC(hw->port), + &osd->priority_xoff_tx[i], + &nsd->priority_xoff_tx[i]); + i40e_stat_update32(hw, + I40E_GLPRT_RXON2OFFCNT(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_jabber, &nsd->rx_jabber); + &osd->priority_xon_2_xoff[i], + &nsd->priority_xon_2_xoff[i]); } + i40e_stat_update48(hw, I40E_GLPRT_PRC64H(hw->port), + I40E_GLPRT_PRC64L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_64, &nsd->rx_size_64); + i40e_stat_update48(hw, I40E_GLPRT_PRC127H(hw->port), + I40E_GLPRT_PRC127L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_127, &nsd->rx_size_127); + i40e_stat_update48(hw, I40E_GLPRT_PRC255H(hw->port), + I40E_GLPRT_PRC255L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_255, &nsd->rx_size_255); + i40e_stat_update48(hw, I40E_GLPRT_PRC511H(hw->port), + I40E_GLPRT_PRC511L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_511, &nsd->rx_size_511); + i40e_stat_update48(hw, I40E_GLPRT_PRC1023H(hw->port), + I40E_GLPRT_PRC1023L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_1023, &nsd->rx_size_1023); + i40e_stat_update48(hw, I40E_GLPRT_PRC1522H(hw->port), + I40E_GLPRT_PRC1522L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_1522, &nsd->rx_size_1522); + i40e_stat_update48(hw, I40E_GLPRT_PRC9522H(hw->port), + I40E_GLPRT_PRC9522L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_big, &nsd->rx_size_big); + + i40e_stat_update48(hw, I40E_GLPRT_PTC64H(hw->port), + I40E_GLPRT_PTC64L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_64, &nsd->tx_size_64); + i40e_stat_update48(hw, I40E_GLPRT_PTC127H(hw->port), + I40E_GLPRT_PTC127L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_127, &nsd->tx_size_127); + i40e_stat_update48(hw, I40E_GLPRT_PTC255H(hw->port), + I40E_GLPRT_PTC255L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_255, &nsd->tx_size_255); + i40e_stat_update48(hw, I40E_GLPRT_PTC511H(hw->port), + I40E_GLPRT_PTC511L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_511, &nsd->tx_size_511); + i40e_stat_update48(hw, I40E_GLPRT_PTC1023H(hw->port), + I40E_GLPRT_PTC1023L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_1023, &nsd->tx_size_1023); + i40e_stat_update48(hw, I40E_GLPRT_PTC1522H(hw->port), + I40E_GLPRT_PTC1522L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_1522, &nsd->tx_size_1522); + i40e_stat_update48(hw, I40E_GLPRT_PTC9522H(hw->port), + I40E_GLPRT_PTC9522L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_big, &nsd->tx_size_big); + + i40e_stat_update32(hw, I40E_GLPRT_RUC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_undersize, &nsd->rx_undersize); + i40e_stat_update32(hw, I40E_GLPRT_RFC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_fragments, &nsd->rx_fragments); + i40e_stat_update32(hw, I40E_GLPRT_ROC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_oversize, &nsd->rx_oversize); + i40e_stat_update32(hw, I40E_GLPRT_RJC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_jabber, &nsd->rx_jabber); + + /* FDIR stats */ + i40e_stat_update32(hw, I40E_GLQF_PCNT(pf->fd_atr_cnt_idx), + pf->stat_offsets_loaded, + &osd->fd_atr_match, &nsd->fd_atr_match); + i40e_stat_update32(hw, I40E_GLQF_PCNT(pf->fd_sb_cnt_idx), + pf->stat_offsets_loaded, + &osd->fd_sb_match, &nsd->fd_sb_match); + + val = rd32(hw, I40E_PRTPM_EEE_STAT); + nsd->tx_lpi_status = + (val & I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_MASK) >> + I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_SHIFT; + nsd->rx_lpi_status = + (val & I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_MASK) >> + I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_SHIFT; + i40e_stat_update32(hw, I40E_PRTPM_TLPIC, + pf->stat_offsets_loaded, + &osd->tx_lpi_count, &nsd->tx_lpi_count); + i40e_stat_update32(hw, I40E_PRTPM_RLPIC, + pf->stat_offsets_loaded, + &osd->rx_lpi_count, &nsd->rx_lpi_count); + pf->stat_offsets_loaded = true; } /** + * i40e_update_stats - Update the various statistics counters. + * @vsi: the VSI to be updated + * + * Update the various stats for this VSI and its related entities. + **/ +void i40e_update_stats(struct i40e_vsi *vsi) +{ + struct i40e_pf *pf = vsi->back; + + if (vsi == pf->vsi[pf->lan_vsi]) + i40e_update_pf_stats(pf); + + i40e_update_vsi_stats(vsi); +} + +/** * i40e_find_filter - Search VSI filter list for specific mac/vlan filter * @vsi: the VSI to be searched * @macaddr: the MAC address @@ -1002,7 +1152,7 @@ struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, if (!i40e_find_filter(vsi, macaddr, f->vlan, is_vf, is_netdev)) { if (!i40e_add_filter(vsi, macaddr, f->vlan, - is_vf, is_netdev)) + is_vf, is_netdev)) return NULL; } } @@ -1012,6 +1162,30 @@ struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, } /** + * i40e_rm_default_mac_filter - Remove the default MAC filter set by NVM + * @vsi: the PF Main VSI - inappropriate for any other VSI + * @macaddr: the MAC address + **/ +static void i40e_rm_default_mac_filter(struct i40e_vsi *vsi, u8 *macaddr) +{ + struct i40e_aqc_remove_macvlan_element_data element; + struct i40e_pf *pf = vsi->back; + i40e_status aq_ret; + + /* Only appropriate for the PF main VSI */ + if (vsi->type != I40E_VSI_MAIN) + return; + + ether_addr_copy(element.mac_addr, macaddr); + element.vlan_tag = 0; + element.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH | + I40E_AQC_MACVLAN_DEL_IGNORE_VLAN; + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, &element, 1, NULL); + if (aq_ret) + dev_err(&pf->pdev->dev, "Could not remove default MAC-VLAN\n"); +} + +/** * i40e_add_filter - Add a mac/vlan filter to the VSI * @vsi: the VSI to be searched * @macaddr: the MAC address @@ -1036,7 +1210,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, if (!f) goto add_filter_out; - memcpy(f->macaddr, macaddr, ETH_ALEN); + ether_addr_copy(f->macaddr, macaddr); f->vlan = vlan; f->changed = true; @@ -1144,6 +1318,10 @@ static int i40e_set_mac(struct net_device *netdev, void *p) if (ether_addr_equal(netdev->dev_addr, addr->sa_data)) return 0; + if (test_bit(__I40E_DOWN, &vsi->back->state) || + test_bit(__I40E_RESET_RECOVERY_PENDING, &vsi->back->state)) + return -EADDRNOTAVAIL; + if (vsi->type == I40E_VSI_MAIN) { i40e_status ret; ret = i40e_aq_mac_address_write(&vsi->back->hw, @@ -1156,7 +1334,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p) return -EADDRNOTAVAIL; } - memcpy(vsi->back->hw.mac.addr, addr->sa_data, netdev->addr_len); + ether_addr_copy(vsi->back->hw.mac.addr, addr->sa_data); } /* In order to be sure to not drop any packets, add the new address @@ -1170,7 +1348,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p) i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY, false, false); i40e_sync_vsi_filters(vsi); - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + ether_addr_copy(netdev->dev_addr, addr->sa_data); return 0; } @@ -1197,6 +1375,7 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, u8 offset; u16 qmap; int i; + u16 num_tc_qps = 0; sections = I40E_AQ_VSI_PROP_QUEUE_MAP_VALID; offset = 0; @@ -1218,6 +1397,9 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, vsi->tc_config.numtc = numtc; vsi->tc_config.enabled_tc = enabled_tc ? enabled_tc : 1; + /* Number of queues per enabled TC */ + num_tc_qps = vsi->alloc_queue_pairs/numtc; + num_tc_qps = min_t(int, num_tc_qps, I40E_MAX_QUEUES_PER_TC); /* Setup queue offset/count for all TCs for given VSI */ for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { @@ -1225,30 +1407,25 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, if (vsi->tc_config.enabled_tc & (1 << i)) { /* TC is enabled */ int pow, num_qps; - vsi->tc_config.tc_info[i].qoffset = offset; switch (vsi->type) { case I40E_VSI_MAIN: - if (i == 0) - qcount = pf->rss_size; - else - qcount = pf->num_tc_qps; - vsi->tc_config.tc_info[i].qcount = qcount; + qcount = min_t(int, pf->rss_size, num_tc_qps); break; case I40E_VSI_FDIR: case I40E_VSI_SRIOV: case I40E_VSI_VMDQ2: default: - qcount = vsi->alloc_queue_pairs; - vsi->tc_config.tc_info[i].qcount = qcount; + qcount = num_tc_qps; WARN_ON(i != 0); break; } + vsi->tc_config.tc_info[i].qoffset = offset; + vsi->tc_config.tc_info[i].qcount = qcount; /* find the power-of-2 of the number of queue pairs */ - num_qps = vsi->tc_config.tc_info[i].qcount; + num_qps = qcount; pow = 0; - while (num_qps && - ((1 << pow) < vsi->tc_config.tc_info[i].qcount)) { + while (num_qps && ((1 << pow) < qcount)) { pow++; num_qps >>= 1; } @@ -1258,7 +1435,7 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, (offset << I40E_AQ_VSI_TC_QUE_OFFSET_SHIFT) | (pow << I40E_AQ_VSI_TC_QUE_NUMBER_SHIFT); - offset += vsi->tc_config.tc_info[i].qcount; + offset += qcount; } else { /* TC is not enabled so set the offset to * default queue and allocate one queue @@ -1388,7 +1565,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) bool add_happened = false; int filter_list_len = 0; u32 changed_flags = 0; - i40e_status ret = 0; + i40e_status aq_ret = 0; struct i40e_pf *pf; int num_add = 0; int num_del = 0; @@ -1428,17 +1605,11 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) cmd_flags = 0; /* add to delete list */ - memcpy(del_list[num_del].mac_addr, - f->macaddr, ETH_ALEN); + ether_addr_copy(del_list[num_del].mac_addr, f->macaddr); del_list[num_del].vlan_tag = cpu_to_le16((u16)(f->vlan == I40E_VLAN_ANY ? 0 : f->vlan)); - /* vlan0 as wild card to allow packets from all vlans */ - if (f->vlan == I40E_VLAN_ANY || - (vsi->netdev && !(vsi->netdev->features & - NETIF_F_HW_VLAN_CTAG_FILTER))) - cmd_flags |= I40E_AQC_MACVLAN_DEL_IGNORE_VLAN; cmd_flags |= I40E_AQC_MACVLAN_DEL_PERFECT_MATCH; del_list[num_del].flags = cmd_flags; num_del++; @@ -1449,28 +1620,31 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) /* flush a full buffer */ if (num_del == filter_list_len) { - ret = i40e_aq_remove_macvlan(&pf->hw, + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, del_list, num_del, NULL); num_del = 0; memset(del_list, 0, sizeof(*del_list)); - if (ret) + if (aq_ret && + pf->hw.aq.asq_last_status != + I40E_AQ_RC_ENOENT) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d while flushing a full buffer\n", - ret, + aq_ret, pf->hw.aq.asq_last_status); } } if (num_del) { - ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, del_list, num_del, NULL); num_del = 0; - if (ret) + if (aq_ret && + pf->hw.aq.asq_last_status != I40E_AQ_RC_ENOENT) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } kfree(del_list); @@ -1496,51 +1670,42 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) cmd_flags = 0; /* add to add array */ - memcpy(add_list[num_add].mac_addr, - f->macaddr, ETH_ALEN); + ether_addr_copy(add_list[num_add].mac_addr, f->macaddr); add_list[num_add].vlan_tag = cpu_to_le16( (u16)(f->vlan == I40E_VLAN_ANY ? 0 : f->vlan)); add_list[num_add].queue_number = 0; cmd_flags |= I40E_AQC_MACVLAN_ADD_PERFECT_MATCH; - - /* vlan0 as wild card to allow packets from all vlans */ - if (f->vlan == I40E_VLAN_ANY || (vsi->netdev && - !(vsi->netdev->features & - NETIF_F_HW_VLAN_CTAG_FILTER))) - cmd_flags |= I40E_AQC_MACVLAN_ADD_IGNORE_VLAN; add_list[num_add].flags = cpu_to_le16(cmd_flags); num_add++; /* flush a full buffer */ if (num_add == filter_list_len) { - ret = i40e_aq_add_macvlan(&pf->hw, - vsi->seid, - add_list, - num_add, - NULL); + aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, + add_list, num_add, + NULL); num_add = 0; - if (ret) + if (aq_ret) break; memset(add_list, 0, sizeof(*add_list)); } } if (num_add) { - ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, - add_list, num_add, NULL); + aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, + add_list, num_add, NULL); num_add = 0; } kfree(add_list); add_list = NULL; - if (add_happened && (!ret)) { + if (add_happened && (!aq_ret)) { /* do nothing */; - } else if (add_happened && (ret)) { + } else if (add_happened && (aq_ret)) { dev_info(&pf->pdev->dev, "add filter failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); if ((pf->hw.aq.asq_last_status == I40E_AQ_RC_ENOSPC) && !test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state)) { @@ -1556,28 +1721,34 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) if (changed_flags & IFF_ALLMULTI) { bool cur_multipromisc; cur_multipromisc = !!(vsi->current_netdev_flags & IFF_ALLMULTI); - ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw, - vsi->seid, - cur_multipromisc, - NULL); - if (ret) + aq_ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw, + vsi->seid, + cur_multipromisc, + NULL); + if (aq_ret) dev_info(&pf->pdev->dev, "set multi promisc failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } if ((changed_flags & IFF_PROMISC) || promisc_forced_on) { bool cur_promisc; cur_promisc = (!!(vsi->current_netdev_flags & IFF_PROMISC) || test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state)); - ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw, - vsi->seid, - cur_promisc, - NULL); - if (ret) + aq_ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw, + vsi->seid, + cur_promisc, NULL); + if (aq_ret) dev_info(&pf->pdev->dev, "set uni promisc failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); + aq_ret = i40e_aq_set_vsi_broadcast(&vsi->back->hw, + vsi->seid, + cur_promisc, NULL); + if (aq_ret) + dev_info(&pf->pdev->dev, + "set brdcast promisc failed, err %d, aq_err %d\n", + aq_ret, pf->hw.aq.asq_last_status); } clear_bit(__I40E_CONFIG_BUSY, &vsi->state); @@ -1596,7 +1767,7 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) return; pf->flags &= ~I40E_FLAG_FILTER_SYNC; - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v] && (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED)) i40e_sync_vsi_filters(pf->vsi[v]); @@ -1613,7 +1784,7 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) static int i40e_change_mtu(struct net_device *netdev, int new_mtu) { struct i40e_netdev_priv *np = netdev_priv(netdev); - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; struct i40e_vsi *vsi = np->vsi; /* MTU < 68 is an error and causes problems on some kernels */ @@ -1630,6 +1801,27 @@ static int i40e_change_mtu(struct net_device *netdev, int new_mtu) } /** + * i40e_ioctl - Access the hwtstamp interface + * @netdev: network interface device structure + * @ifr: interface request data + * @cmd: ioctl command + **/ +int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + + switch (cmd) { + case SIOCGHWTSTAMP: + return i40e_ptp_get_ts_config(pf, ifr); + case SIOCSHWTSTAMP: + return i40e_ptp_set_ts_config(pf, ifr); + default: + return -EOPNOTSUPP; + } +} + +/** * i40e_vlan_stripping_enable - Turn on vlan stripping for the VSI * @vsi: the vsi being adjusted **/ @@ -1711,7 +1903,6 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid) { struct i40e_mac_filter *f, *add_f; bool is_netdev, is_vf; - int ret; is_vf = (vsi->type == I40E_VSI_SRIOV); is_netdev = !!(vsi->netdev); @@ -1737,13 +1928,6 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid) } } - ret = i40e_sync_vsi_filters(vsi); - if (ret) { - dev_info(&vsi->back->pdev->dev, - "Could not sync filters for vid %d\n", vid); - return ret; - } - /* Now if we add a vlan tag, make sure to check if it is the first * tag (i.e. a "tag" -1 does exist) and if so replace the -1 "tag" * with 0, so we now accept untagged and specified tagged traffic @@ -1764,7 +1948,10 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid) return -ENOMEM; } } + } + /* Do not assume that I40E_VLAN_ANY should be reset to VLAN 0 */ + if (vid > 0 && !vsi->info.pvid) { list_for_each_entry(f, &vsi->mac_filter_list, list) { if (i40e_find_filter(vsi, f->macaddr, I40E_VLAN_ANY, is_vf, is_netdev)) { @@ -1780,16 +1967,21 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid) } } } - ret = i40e_sync_vsi_filters(vsi); } - return ret; + if (test_bit(__I40E_DOWN, &vsi->back->state) || + test_bit(__I40E_RESET_RECOVERY_PENDING, &vsi->back->state)) + return 0; + + return i40e_sync_vsi_filters(vsi); } /** * i40e_vsi_kill_vlan - Remove vsi membership for given vlan * @vsi: the vsi being configured * @vid: vlan id to be removed (0 = untagged only , -1 = any) + * + * Return: 0 on success or negative otherwise **/ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) { @@ -1797,7 +1989,6 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) struct i40e_mac_filter *f, *add_f; bool is_vf, is_netdev; int filter_count = 0; - int ret; is_vf = (vsi->type == I40E_VSI_SRIOV); is_netdev = !!(netdev); @@ -1808,12 +1999,6 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) list_for_each_entry(f, &vsi->mac_filter_list, list) i40e_del_filter(vsi, f->macaddr, vid, is_vf, is_netdev); - ret = i40e_sync_vsi_filters(vsi); - if (ret) { - dev_info(&vsi->back->pdev->dev, "Could not sync filters\n"); - return ret; - } - /* go through all the filters for this VSI and if there is only * vid == 0 it means there are no other filters, so vid 0 must * be replaced with -1. This signifies that we should from now @@ -1856,6 +2041,10 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) } } + if (test_bit(__I40E_DOWN, &vsi->back->state) || + test_bit(__I40E_RESET_RECOVERY_PENDING, &vsi->back->state)) + return 0; + return i40e_sync_vsi_filters(vsi); } @@ -1863,37 +2052,42 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) * i40e_vlan_rx_add_vid - Add a vlan id filter to HW offload * @netdev: network interface to be adjusted * @vid: vlan id to be added + * + * net_device_ops implementation for adding vlan ids **/ static int i40e_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - int ret; + int ret = 0; if (vid > 4095) - return 0; + return -EINVAL; - netdev_info(vsi->netdev, "adding %pM vid=%d\n", - netdev->dev_addr, vid); - /* If the network stack called us with vid = 0, we should - * indicate to i40e_vsi_add_vlan() that we want to receive - * any traffic (i.e. with any vlan tag, or untagged) + netdev_info(netdev, "adding %pM vid=%d\n", netdev->dev_addr, vid); + + /* If the network stack called us with vid = 0 then + * it is asking to receive priority tagged packets with + * vlan id 0. Our HW receives them by default when configured + * to receive untagged packets so there is no need to add an + * extra filter for vlan 0 tagged packets. */ - ret = i40e_vsi_add_vlan(vsi, vid ? vid : I40E_VLAN_ANY); + if (vid) + ret = i40e_vsi_add_vlan(vsi, vid); - if (!ret) { - if (vid < VLAN_N_VID) - set_bit(vid, vsi->active_vlans); - } + if (!ret && (vid < VLAN_N_VID)) + set_bit(vid, vsi->active_vlans); - return 0; + return ret; } /** * i40e_vlan_rx_kill_vid - Remove a vlan id filter from HW offload * @netdev: network interface to be adjusted * @vid: vlan id to be removed + * + * net_device_ops implementation for removing vlan ids **/ static int i40e_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) @@ -1901,15 +2095,16 @@ static int i40e_vlan_rx_kill_vid(struct net_device *netdev, struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - netdev_info(vsi->netdev, "removing %pM vid=%d\n", - netdev->dev_addr, vid); + netdev_info(netdev, "removing %pM vid=%d\n", netdev->dev_addr, vid); + /* return code is ignored as there is nothing a user * can do about failure to remove and a log message was - * already printed from another function + * already printed from the other function */ i40e_vsi_kill_vlan(vsi, vid); clear_bit(vid, vsi->active_vlans); + return 0; } @@ -1936,26 +2131,28 @@ static void i40e_restore_vlan(struct i40e_vsi *vsi) * @vsi: the vsi being adjusted * @vid: the vlan id to set as a PVID **/ -i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) +int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) { struct i40e_vsi_context ctxt; - i40e_status ret; + i40e_status aq_ret; vsi->info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID); vsi->info.pvid = cpu_to_le16(vid); - vsi->info.port_vlan_flags |= I40E_AQ_VSI_PVLAN_INSERT_PVID; - vsi->info.port_vlan_flags |= I40E_AQ_VSI_PVLAN_MODE_UNTAGGED; + vsi->info.port_vlan_flags = I40E_AQ_VSI_PVLAN_MODE_TAGGED | + I40E_AQ_VSI_PVLAN_INSERT_PVID | + I40E_AQ_VSI_PVLAN_EMOD_STR; ctxt.seid = vsi->seid; memcpy(&ctxt.info, &vsi->info, sizeof(vsi->info)); - ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); - if (ret) { + aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); + if (aq_ret) { dev_info(&vsi->back->pdev->dev, "%s: update vsi failed, aq_err=%d\n", __func__, vsi->back->hw.aq.asq_last_status); + return -ENOENT; } - return ret; + return 0; } /** @@ -1966,8 +2163,9 @@ i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) **/ void i40e_vsi_remove_pvid(struct i40e_vsi *vsi) { + i40e_vlan_stripping_disable(vsi); + vsi->info.pvid = 0; - i40e_vlan_rx_register(vsi->netdev, vsi->netdev->features); } /** @@ -1985,7 +2183,7 @@ static int i40e_vsi_setup_tx_resources(struct i40e_vsi *vsi) int i, err = 0; for (i = 0; i < vsi->num_queue_pairs && !err; i++) - err = i40e_setup_tx_descriptors(&vsi->tx_rings[i]); + err = i40e_setup_tx_descriptors(vsi->tx_rings[i]); return err; } @@ -2000,9 +2198,12 @@ static void i40e_vsi_free_tx_resources(struct i40e_vsi *vsi) { int i; + if (!vsi->tx_rings) + return; + for (i = 0; i < vsi->num_queue_pairs; i++) - if (vsi->tx_rings[i].desc) - i40e_free_tx_resources(&vsi->tx_rings[i]); + if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) + i40e_free_tx_resources(vsi->tx_rings[i]); } /** @@ -2020,7 +2221,7 @@ static int i40e_vsi_setup_rx_resources(struct i40e_vsi *vsi) int i, err = 0; for (i = 0; i < vsi->num_queue_pairs && !err; i++) - err = i40e_setup_rx_descriptors(&vsi->rx_rings[i]); + err = i40e_setup_rx_descriptors(vsi->rx_rings[i]); return err; } @@ -2034,9 +2235,12 @@ static void i40e_vsi_free_rx_resources(struct i40e_vsi *vsi) { int i; + if (!vsi->rx_rings) + return; + for (i = 0; i < vsi->num_queue_pairs; i++) - if (vsi->rx_rings[i].desc) - i40e_free_rx_resources(&vsi->rx_rings[i]); + if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) + i40e_free_rx_resources(vsi->rx_rings[i]); } /** @@ -2055,7 +2259,7 @@ static int i40e_configure_tx_ring(struct i40e_ring *ring) u32 qtx_ctl = 0; /* some ATR related tx ring init */ - if (vsi->back->flags & I40E_FLAG_FDIR_ATR_ENABLED) { + if (vsi->back->flags & I40E_FLAG_FD_ATR_ENABLED) { ring->atr_sample_rate = vsi->back->atr_sample_rate; ring->atr_count = 0; } else { @@ -2064,6 +2268,7 @@ static int i40e_configure_tx_ring(struct i40e_ring *ring) /* initialize XPS */ if (ring->q_vector && ring->netdev && + vsi->tc_config.numtc <= 1 && !test_and_set_bit(__I40E_TX_XPS_INIT_DONE, &ring->state)) netif_set_xps_queue(ring->netdev, &ring->q_vector->affinity_mask, @@ -2075,8 +2280,14 @@ static int i40e_configure_tx_ring(struct i40e_ring *ring) tx_ctx.new_context = 1; tx_ctx.base = (ring->dma / 128); tx_ctx.qlen = ring->count; - tx_ctx.fd_ena = !!(vsi->back->flags & (I40E_FLAG_FDIR_ENABLED | - I40E_FLAG_FDIR_ATR_ENABLED)); + tx_ctx.fd_ena = !!(vsi->back->flags & (I40E_FLAG_FD_SB_ENABLED | + I40E_FLAG_FD_ATR_ENABLED)); + tx_ctx.timesync_ena = !!(vsi->back->flags & I40E_FLAG_PTP); + /* FDIR VSI tx ring can still use RS bit and writebacks */ + if (vsi->type != I40E_VSI_FDIR) + tx_ctx.head_wb_ena = 1; + tx_ctx.head_wb_addr = ring->dma + + (ring->count * sizeof(struct i40e_tx_desc)); /* As part of VSI creation/update, FW allocates certain * Tx arbitration queue sets for each TC enabled for @@ -2110,9 +2321,12 @@ static int i40e_configure_tx_ring(struct i40e_ring *ring) } /* Now associate this queue with this PCI function */ - qtx_ctl = I40E_QTX_CTL_PF_QUEUE; - qtx_ctl |= ((hw->hmc.hmc_fn_id << I40E_QTX_CTL_PF_INDX_SHIFT) - & I40E_QTX_CTL_PF_INDX_MASK); + if (vsi->type == I40E_VSI_VMDQ2) + qtx_ctl = I40E_QTX_CTL_VM_QUEUE; + else + qtx_ctl = I40E_QTX_CTL_PF_QUEUE; + qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) & + I40E_QTX_CTL_PF_INDX_MASK); wr32(hw, I40E_QTX_CTL(pf_q), qtx_ctl); i40e_flush(hw); @@ -2177,10 +2391,15 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring) rx_ctx.tphwdesc_ena = 1; rx_ctx.tphdata_ena = 1; rx_ctx.tphhead_ena = 1; - rx_ctx.lrxqthresh = 2; + if (hw->revision_id == 0) + rx_ctx.lrxqthresh = 0; + else + rx_ctx.lrxqthresh = 2; rx_ctx.crcstrip = 1; rx_ctx.l2tsel = 1; rx_ctx.showiv = 1; + /* set the prefena field to 1 because the manual says to */ + rx_ctx.prefena = 1; /* clear the context in the HMC */ err = i40e_clear_lan_rx_queue_context(hw, pf_q); @@ -2220,8 +2439,8 @@ static int i40e_vsi_configure_tx(struct i40e_vsi *vsi) int err = 0; u16 i; - for (i = 0; (i < vsi->num_queue_pairs) && (!err); i++) - err = i40e_configure_tx_ring(&vsi->tx_rings[i]); + for (i = 0; (i < vsi->num_queue_pairs) && !err; i++) + err = i40e_configure_tx_ring(vsi->tx_rings[i]); return err; } @@ -2271,7 +2490,7 @@ static int i40e_vsi_configure_rx(struct i40e_vsi *vsi) /* set up individual rings */ for (i = 0; i < vsi->num_queue_pairs && !err; i++) - err = i40e_configure_rx_ring(&vsi->rx_rings[i]); + err = i40e_configure_rx_ring(vsi->rx_rings[i]); return err; } @@ -2282,6 +2501,7 @@ static int i40e_vsi_configure_rx(struct i40e_vsi *vsi) **/ static void i40e_vsi_config_dcb_rings(struct i40e_vsi *vsi) { + struct i40e_ring *tx_ring, *rx_ring; u16 qoffset, qcount; int i, n; @@ -2295,8 +2515,8 @@ static void i40e_vsi_config_dcb_rings(struct i40e_vsi *vsi) qoffset = vsi->tc_config.tc_info[n].qoffset; qcount = vsi->tc_config.tc_info[n].qcount; for (i = qoffset; i < (qoffset + qcount); i++) { - struct i40e_ring *rx_ring = &vsi->rx_rings[i]; - struct i40e_ring *tx_ring = &vsi->tx_rings[i]; + rx_ring = vsi->rx_rings[i]; + tx_ring = vsi->tx_rings[i]; rx_ring->dcb_tc = n; tx_ring->dcb_tc = n; } @@ -2314,6 +2534,28 @@ static void i40e_set_vsi_rx_mode(struct i40e_vsi *vsi) } /** + * i40e_fdir_filter_restore - Restore the Sideband Flow Director filters + * @vsi: Pointer to the targeted VSI + * + * This function replays the hlist on the hw where all the SB Flow Director + * filters were saved. + **/ +static void i40e_fdir_filter_restore(struct i40e_vsi *vsi) +{ + struct i40e_fdir_filter *filter; + struct i40e_pf *pf = vsi->back; + struct hlist_node *node; + + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) + return; + + hlist_for_each_entry_safe(filter, node, + &pf->fdir_filter_list, fdir_node) { + i40e_add_del_fdir(vsi, filter, true); + } +} + +/** * i40e_vsi_configure - Set up the VSI for action * @vsi: the VSI being configured **/ @@ -2351,8 +2593,8 @@ static void i40e_vsi_configure_msix(struct i40e_vsi *vsi) */ qp = vsi->base_queue; vector = vsi->base_vector; - q_vector = vsi->q_vectors; - for (i = 0; i < vsi->num_q_vectors; i++, q_vector++, vector++) { + for (i = 0; i < vsi->num_q_vectors; i++, vector++) { + q_vector = vsi->q_vectors[i]; q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); q_vector->rx.latency_range = I40E_LOW_LATENCY; wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), @@ -2411,7 +2653,7 @@ static void i40e_enable_misc_int_causes(struct i40e_hw *hw) I40E_PFINT_ICR0_ENA_GRST_MASK | I40E_PFINT_ICR0_ENA_PCI_EXCEPTION_MASK | I40E_PFINT_ICR0_ENA_GPIO_MASK | - I40E_PFINT_ICR0_ENA_STORM_DETECT_MASK | + I40E_PFINT_ICR0_ENA_TIMESYNC_MASK | I40E_PFINT_ICR0_ENA_HMC_ERR_MASK | I40E_PFINT_ICR0_ENA_VFLR_MASK | I40E_PFINT_ICR0_ENA_ADMINQ_MASK; @@ -2419,8 +2661,8 @@ static void i40e_enable_misc_int_causes(struct i40e_hw *hw) wr32(hw, I40E_PFINT_ICR0_ENA, val); /* SW_ITR_IDX = 0, but don't change INTENA */ - wr32(hw, I40E_PFINT_DYN_CTL0, I40E_PFINT_DYN_CTLN_SW_ITR_INDX_MASK | - I40E_PFINT_DYN_CTLN_INTENA_MSK_MASK); + wr32(hw, I40E_PFINT_DYN_CTL0, I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK | + I40E_PFINT_DYN_CTL0_INTENA_MSK_MASK); /* OTHER_ITR_IDX = 0 */ wr32(hw, I40E_PFINT_STAT_CTL0, 0); @@ -2432,7 +2674,7 @@ static void i40e_enable_misc_int_causes(struct i40e_hw *hw) **/ static void i40e_configure_msi_and_legacy(struct i40e_vsi *vsi) { - struct i40e_q_vector *q_vector = vsi->q_vectors; + struct i40e_q_vector *q_vector = vsi->q_vectors[0]; struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; u32 val; @@ -2450,7 +2692,7 @@ static void i40e_configure_msi_and_legacy(struct i40e_vsi *vsi) /* FIRSTQ_INDX = 0, FIRSTQ_TYPE = 0 (rx) */ wr32(hw, I40E_PFINT_LNKLST0, 0); - /* Associate the queue pair to the vector and enable the q int */ + /* Associate the queue pair to the vector and enable the queue int */ val = I40E_QINT_RQCTL_CAUSE_ENA_MASK | (I40E_RX_ITR << I40E_QINT_RQCTL_ITR_INDX_SHIFT) | (I40E_QUEUE_TYPE_TX << I40E_QINT_TQCTL_NEXTQ_TYPE_SHIFT); @@ -2466,10 +2708,23 @@ static void i40e_configure_msi_and_legacy(struct i40e_vsi *vsi) } /** + * i40e_irq_dynamic_disable_icr0 - Disable default interrupt generation for icr0 + * @pf: board private structure + **/ +void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf) +{ + struct i40e_hw *hw = &pf->hw; + + wr32(hw, I40E_PFINT_DYN_CTL0, + I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); + i40e_flush(hw); +} + +/** * i40e_irq_dynamic_enable_icr0 - Enable default interrupt generation for icr0 * @pf: board private structure **/ -static void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf) +void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf) { struct i40e_hw *hw = &pf->hw; u32 val; @@ -2497,7 +2752,7 @@ void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); wr32(hw, I40E_PFINT_DYN_CTLN(vector - 1), val); - i40e_flush(hw); + /* skip the flush */ } /** @@ -2509,7 +2764,7 @@ static irqreturn_t i40e_msix_clean_rings(int irq, void *data) { struct i40e_q_vector *q_vector = data; - if (!q_vector->tx.ring[0] && !q_vector->rx.ring[0]) + if (!q_vector->tx.ring && !q_vector->rx.ring) return IRQ_HANDLED; napi_schedule(&q_vector->napi); @@ -2518,23 +2773,6 @@ static irqreturn_t i40e_msix_clean_rings(int irq, void *data) } /** - * i40e_fdir_clean_rings - Interrupt Handler for FDIR rings - * @irq: interrupt number - * @data: pointer to a q_vector - **/ -static irqreturn_t i40e_fdir_clean_rings(int irq, void *data) -{ - struct i40e_q_vector *q_vector = data; - - if (!q_vector->tx.ring[0] && !q_vector->rx.ring[0]) - return IRQ_HANDLED; - - pr_info("fdir ring cleaning needed\n"); - - return IRQ_HANDLED; -} - -/** * i40e_vsi_request_irq_msix - Initialize MSI-X interrupts * @vsi: the VSI being configured * @basename: name for the vector @@ -2551,16 +2789,16 @@ static int i40e_vsi_request_irq_msix(struct i40e_vsi *vsi, char *basename) int vector, err; for (vector = 0; vector < q_vectors; vector++) { - struct i40e_q_vector *q_vector = &(vsi->q_vectors[vector]); + struct i40e_q_vector *q_vector = vsi->q_vectors[vector]; - if (q_vector->tx.ring[0] && q_vector->rx.ring[0]) { + if (q_vector->tx.ring && q_vector->rx.ring) { snprintf(q_vector->name, sizeof(q_vector->name) - 1, "%s-%s-%d", basename, "TxRx", rx_int_idx++); tx_int_idx++; - } else if (q_vector->rx.ring[0]) { + } else if (q_vector->rx.ring) { snprintf(q_vector->name, sizeof(q_vector->name) - 1, "%s-%s-%d", basename, "rx", rx_int_idx++); - } else if (q_vector->tx.ring[0]) { + } else if (q_vector->tx.ring) { snprintf(q_vector->name, sizeof(q_vector->name) - 1, "%s-%s-%d", basename, "tx", tx_int_idx++); } else { @@ -2583,6 +2821,7 @@ static int i40e_vsi_request_irq_msix(struct i40e_vsi *vsi, char *basename) &q_vector->affinity_mask); } + vsi->irqs_ready = true; return 0; free_queue_irqs: @@ -2608,8 +2847,8 @@ static void i40e_vsi_disable_irq(struct i40e_vsi *vsi) int i; for (i = 0; i < vsi->num_queue_pairs; i++) { - wr32(hw, I40E_QINT_TQCTL(vsi->tx_rings[i].reg_idx), 0); - wr32(hw, I40E_QINT_RQCTL(vsi->rx_rings[i].reg_idx), 0); + wr32(hw, I40E_QINT_TQCTL(vsi->tx_rings[i]->reg_idx), 0); + wr32(hw, I40E_QINT_RQCTL(vsi->rx_rings[i]->reg_idx), 0); } if (pf->flags & I40E_FLAG_MSIX_ENABLED) { @@ -2646,6 +2885,7 @@ static int i40e_vsi_enable_irq(struct i40e_vsi *vsi) i40e_irq_dynamic_enable_icr0(pf); } + i40e_flush(&pf->hw); return 0; } @@ -2673,20 +2913,21 @@ static irqreturn_t i40e_intr(int irq, void *data) { struct i40e_pf *pf = (struct i40e_pf *)data; struct i40e_hw *hw = &pf->hw; + irqreturn_t ret = IRQ_NONE; u32 icr0, icr0_remaining; u32 val, ena_mask; icr0 = rd32(hw, I40E_PFINT_ICR0); + ena_mask = rd32(hw, I40E_PFINT_ICR0_ENA); /* if sharing a legacy IRQ, we might get called w/o an intr pending */ if ((icr0 & I40E_PFINT_ICR0_INTEVENT_MASK) == 0) - return IRQ_NONE; + goto enable_intr; - val = rd32(hw, I40E_PFINT_DYN_CTL0); - val = val | I40E_PFINT_DYN_CTL0_CLEARPBA_MASK; - wr32(hw, I40E_PFINT_DYN_CTL0, val); - - ena_mask = rd32(hw, I40E_PFINT_ICR0_ENA); + /* if interrupt but no bits showing, must be SWINT */ + if (((icr0 & ~I40E_PFINT_ICR0_INTEVENT_MASK) == 0) || + (icr0 & I40E_PFINT_ICR0_SWINT_MASK)) + pf->sw_int_count++; /* only q0 is used in MSI/Legacy mode, and none are used in MSIX */ if (icr0 & I40E_PFINT_ICR0_QUEUE_0_MASK) { @@ -2699,10 +2940,9 @@ static irqreturn_t i40e_intr(int irq, void *data) qval = rd32(hw, I40E_QINT_TQCTL(0)); qval &= ~I40E_QINT_TQCTL_CAUSE_ENA_MASK; wr32(hw, I40E_QINT_TQCTL(0), qval); - i40e_flush(hw); if (!test_bit(__I40E_DOWN, &pf->state)) - napi_schedule(&pf->vsi[pf->lan_vsi]->q_vectors[0].napi); + napi_schedule(&pf->vsi[pf->lan_vsi]->q_vectors[0]->napi); } if (icr0 & I40E_PFINT_ICR0_ADMINQ_MASK) { @@ -2727,12 +2967,28 @@ static irqreturn_t i40e_intr(int irq, void *data) val = rd32(hw, I40E_GLGEN_RSTAT); val = (val & I40E_GLGEN_RSTAT_RESET_TYPE_MASK) >> I40E_GLGEN_RSTAT_RESET_TYPE_SHIFT; - if (val & I40E_RESET_CORER) + if (val == I40E_RESET_CORER) { pf->corer_count++; - else if (val & I40E_RESET_GLOBR) + } else if (val == I40E_RESET_GLOBR) { pf->globr_count++; - else if (val & I40E_RESET_EMPR) + } else if (val == I40E_RESET_EMPR) { pf->empr_count++; + set_bit(__I40E_EMP_RESET_REQUESTED, &pf->state); + } + } + + if (icr0 & I40E_PFINT_ICR0_HMC_ERR_MASK) { + icr0 &= ~I40E_PFINT_ICR0_HMC_ERR_MASK; + dev_info(&pf->pdev->dev, "HMC error interrupt\n"); + } + + if (icr0 & I40E_PFINT_ICR0_TIMESYNC_MASK) { + u32 prttsyn_stat = rd32(hw, I40E_PRTTSYN_STAT_0); + + if (prttsyn_stat & I40E_PRTTSYN_STAT_0_TXTIME_MASK) { + icr0 &= ~I40E_PFINT_ICR0_ENA_TIMESYNC_MASK; + i40e_ptp_tx_hwtstamp(pf); + } } /* If a critical error is pending we have no choice but to reset the @@ -2743,68 +2999,137 @@ static irqreturn_t i40e_intr(int irq, void *data) if (icr0_remaining) { dev_info(&pf->pdev->dev, "unhandled interrupt icr0=0x%08x\n", icr0_remaining); - if ((icr0_remaining & I40E_PFINT_ICR0_HMC_ERR_MASK) || - (icr0_remaining & I40E_PFINT_ICR0_PE_CRITERR_MASK) || + if ((icr0_remaining & I40E_PFINT_ICR0_PE_CRITERR_MASK) || (icr0_remaining & I40E_PFINT_ICR0_PCI_EXCEPTION_MASK) || - (icr0_remaining & I40E_PFINT_ICR0_ECC_ERR_MASK) || - (icr0_remaining & I40E_PFINT_ICR0_MAL_DETECT_MASK)) { - if (icr0 & I40E_PFINT_ICR0_HMC_ERR_MASK) { - dev_info(&pf->pdev->dev, "HMC error interrupt\n"); - } else { - dev_info(&pf->pdev->dev, "device will be reset\n"); - set_bit(__I40E_PF_RESET_REQUESTED, &pf->state); - i40e_service_event_schedule(pf); - } + (icr0_remaining & I40E_PFINT_ICR0_ECC_ERR_MASK)) { + dev_info(&pf->pdev->dev, "device will be reset\n"); + set_bit(__I40E_PF_RESET_REQUESTED, &pf->state); + i40e_service_event_schedule(pf); } ena_mask &= ~icr0_remaining; } + ret = IRQ_HANDLED; +enable_intr: /* re-enable interrupt causes */ wr32(hw, I40E_PFINT_ICR0_ENA, ena_mask); - i40e_flush(hw); if (!test_bit(__I40E_DOWN, &pf->state)) { i40e_service_event_schedule(pf); i40e_irq_dynamic_enable_icr0(pf); } - return IRQ_HANDLED; + return ret; } /** - * i40e_map_vector_to_rxq - Assigns the Rx queue to the vector - * @vsi: the VSI being configured - * @v_idx: vector index - * @r_idx: rx queue index + * i40e_clean_fdir_tx_irq - Reclaim resources after transmit completes + * @tx_ring: tx ring to clean + * @budget: how many cleans we're allowed + * + * Returns true if there's any budget left (e.g. the clean is finished) **/ -static void map_vector_to_rxq(struct i40e_vsi *vsi, int v_idx, int r_idx) +static bool i40e_clean_fdir_tx_irq(struct i40e_ring *tx_ring, int budget) { - struct i40e_q_vector *q_vector = &(vsi->q_vectors[v_idx]); - struct i40e_ring *rx_ring = &(vsi->rx_rings[r_idx]); + struct i40e_vsi *vsi = tx_ring->vsi; + u16 i = tx_ring->next_to_clean; + struct i40e_tx_buffer *tx_buf; + struct i40e_tx_desc *tx_desc; - rx_ring->q_vector = q_vector; - q_vector->rx.ring[q_vector->rx.count] = rx_ring; - q_vector->rx.count++; - q_vector->rx.latency_range = I40E_LOW_LATENCY; - q_vector->vsi = vsi; + tx_buf = &tx_ring->tx_bi[i]; + tx_desc = I40E_TX_DESC(tx_ring, i); + i -= tx_ring->count; + + do { + struct i40e_tx_desc *eop_desc = tx_buf->next_to_watch; + + /* if next_to_watch is not set then there is no work pending */ + if (!eop_desc) + break; + + /* prevent any other reads prior to eop_desc */ + read_barrier_depends(); + + /* if the descriptor isn't done, no work yet to do */ + if (!(eop_desc->cmd_type_offset_bsz & + cpu_to_le64(I40E_TX_DESC_DTYPE_DESC_DONE))) + break; + + /* clear next_to_watch to prevent false hangs */ + tx_buf->next_to_watch = NULL; + + /* unmap skb header data */ + dma_unmap_single(tx_ring->dev, + dma_unmap_addr(tx_buf, dma), + dma_unmap_len(tx_buf, len), + DMA_TO_DEVICE); + + dma_unmap_len_set(tx_buf, len, 0); + + + /* move to the next desc and buffer to clean */ + tx_buf++; + tx_desc++; + i++; + if (unlikely(!i)) { + i -= tx_ring->count; + tx_buf = tx_ring->tx_bi; + tx_desc = I40E_TX_DESC(tx_ring, 0); + } + + /* update budget accounting */ + budget--; + } while (likely(budget)); + + i += tx_ring->count; + tx_ring->next_to_clean = i; + + if (vsi->back->flags & I40E_FLAG_MSIX_ENABLED) { + i40e_irq_dynamic_enable(vsi, + tx_ring->q_vector->v_idx + vsi->base_vector); + } + return budget > 0; } /** - * i40e_map_vector_to_txq - Assigns the Tx queue to the vector + * i40e_fdir_clean_ring - Interrupt Handler for FDIR SB ring + * @irq: interrupt number + * @data: pointer to a q_vector + **/ +static irqreturn_t i40e_fdir_clean_ring(int irq, void *data) +{ + struct i40e_q_vector *q_vector = data; + struct i40e_vsi *vsi; + + if (!q_vector->tx.ring) + return IRQ_HANDLED; + + vsi = q_vector->tx.ring->vsi; + i40e_clean_fdir_tx_irq(q_vector->tx.ring, vsi->work_limit); + + return IRQ_HANDLED; +} + +/** + * i40e_map_vector_to_qp - Assigns the queue pair to the vector * @vsi: the VSI being configured * @v_idx: vector index - * @t_idx: tx queue index + * @qp_idx: queue pair index **/ -static void map_vector_to_txq(struct i40e_vsi *vsi, int v_idx, int t_idx) +static void map_vector_to_qp(struct i40e_vsi *vsi, int v_idx, int qp_idx) { - struct i40e_q_vector *q_vector = &(vsi->q_vectors[v_idx]); - struct i40e_ring *tx_ring = &(vsi->tx_rings[t_idx]); + struct i40e_q_vector *q_vector = vsi->q_vectors[v_idx]; + struct i40e_ring *tx_ring = vsi->tx_rings[qp_idx]; + struct i40e_ring *rx_ring = vsi->rx_rings[qp_idx]; tx_ring->q_vector = q_vector; - q_vector->tx.ring[q_vector->tx.count] = tx_ring; + tx_ring->next = q_vector->tx.ring; + q_vector->tx.ring = tx_ring; q_vector->tx.count++; - q_vector->tx.latency_range = I40E_LOW_LATENCY; - q_vector->num_ringpairs++; - q_vector->vsi = vsi; + + rx_ring->q_vector = q_vector; + rx_ring->next = q_vector->rx.ring; + q_vector->rx.ring = rx_ring; + q_vector->rx.count++; } /** @@ -2820,7 +3145,7 @@ static void i40e_vsi_map_rings_to_vectors(struct i40e_vsi *vsi) { int qp_remaining = vsi->num_queue_pairs; int q_vectors = vsi->num_q_vectors; - int qp_per_vector; + int num_ringpairs; int v_start = 0; int qp_idx = 0; @@ -2828,11 +3153,21 @@ static void i40e_vsi_map_rings_to_vectors(struct i40e_vsi *vsi) * group them so there are multiple queues per vector. */ for (; v_start < q_vectors && qp_remaining; v_start++) { - qp_per_vector = DIV_ROUND_UP(qp_remaining, q_vectors - v_start); - for (; qp_per_vector; - qp_per_vector--, qp_idx++, qp_remaining--) { - map_vector_to_rxq(vsi, v_start, qp_idx); - map_vector_to_txq(vsi, v_start, qp_idx); + struct i40e_q_vector *q_vector = vsi->q_vectors[v_start]; + + num_ringpairs = DIV_ROUND_UP(qp_remaining, q_vectors - v_start); + + q_vector->num_ringpairs = num_ringpairs; + + q_vector->rx.count = 0; + q_vector->tx.count = 0; + q_vector->rx.ring = NULL; + q_vector->tx.ring = NULL; + + while (num_ringpairs--) { + map_vector_to_qp(vsi, v_start, qp_idx); + qp_idx++; + qp_remaining--; } } } @@ -2884,7 +3219,7 @@ static void i40e_netpoll(struct net_device *netdev) pf->flags |= I40E_FLAG_IN_NETPOLL; if (pf->flags & I40E_FLAG_MSIX_ENABLED) { for (i = 0; i < vsi->num_q_vectors; i++) - i40e_msix_clean_rings(0, &vsi->q_vectors[i]); + i40e_msix_clean_rings(0, vsi->q_vectors[i]); } else { i40e_intr(pf->pdev->irq, netdev); } @@ -2906,48 +3241,38 @@ static int i40e_vsi_control_tx(struct i40e_vsi *vsi, bool enable) pf_q = vsi->base_queue; for (i = 0; i < vsi->num_queue_pairs; i++, pf_q++) { - j = 1000; - do { - usleep_range(1000, 2000); - tx_reg = rd32(hw, I40E_QTX_ENA(pf_q)); - } while (j-- && ((tx_reg >> I40E_QTX_ENA_QENA_REQ_SHIFT) - ^ (tx_reg >> I40E_QTX_ENA_QENA_STAT_SHIFT)) & 1); - if (enable) { - /* is STAT set ? */ - if ((tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) { - dev_info(&pf->pdev->dev, - "Tx %d already enabled\n", i); - continue; - } - } else { - /* is !STAT set ? */ - if (!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) { - dev_info(&pf->pdev->dev, - "Tx %d already disabled\n", i); - continue; - } + /* warn the TX unit of coming changes */ + i40e_pre_tx_queue_cfg(&pf->hw, pf_q, enable); + if (!enable) + udelay(10); + + for (j = 0; j < 50; j++) { + tx_reg = rd32(hw, I40E_QTX_ENA(pf_q)); + if (((tx_reg >> I40E_QTX_ENA_QENA_REQ_SHIFT) & 1) == + ((tx_reg >> I40E_QTX_ENA_QENA_STAT_SHIFT) & 1)) + break; + usleep_range(1000, 2000); } + /* Skip if the queue is already in the requested state */ + if (enable == !!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) + continue; /* turn on/off the queue */ - if (enable) - tx_reg |= I40E_QTX_ENA_QENA_REQ_MASK | - I40E_QTX_ENA_QENA_STAT_MASK; - else + if (enable) { + wr32(hw, I40E_QTX_HEAD(pf_q), 0); + tx_reg |= I40E_QTX_ENA_QENA_REQ_MASK; + } else { tx_reg &= ~I40E_QTX_ENA_QENA_REQ_MASK; + } wr32(hw, I40E_QTX_ENA(pf_q), tx_reg); /* wait for the change to finish */ for (j = 0; j < 10; j++) { tx_reg = rd32(hw, I40E_QTX_ENA(pf_q)); - if (enable) { - if ((tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) - break; - } else { - if (!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) - break; - } + if (enable == !!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) + break; udelay(10); } @@ -2958,6 +3283,9 @@ static int i40e_vsi_control_tx(struct i40e_vsi *vsi, bool enable) } } + if (hw->revision_id == 0) + mdelay(50); + return 0; } @@ -2975,43 +3303,31 @@ static int i40e_vsi_control_rx(struct i40e_vsi *vsi, bool enable) pf_q = vsi->base_queue; for (i = 0; i < vsi->num_queue_pairs; i++, pf_q++) { - j = 1000; - do { - usleep_range(1000, 2000); + for (j = 0; j < 50; j++) { rx_reg = rd32(hw, I40E_QRX_ENA(pf_q)); - } while (j-- && ((rx_reg >> I40E_QRX_ENA_QENA_REQ_SHIFT) - ^ (rx_reg >> I40E_QRX_ENA_QENA_STAT_SHIFT)) & 1); - - if (enable) { - /* is STAT set ? */ - if ((rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - continue; - } else { - /* is !STAT set ? */ - if (!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - continue; + if (((rx_reg >> I40E_QRX_ENA_QENA_REQ_SHIFT) & 1) == + ((rx_reg >> I40E_QRX_ENA_QENA_STAT_SHIFT) & 1)) + break; + usleep_range(1000, 2000); } + /* Skip if the queue is already in the requested state */ + if (enable == !!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) + continue; + /* turn on/off the queue */ if (enable) - rx_reg |= I40E_QRX_ENA_QENA_REQ_MASK | - I40E_QRX_ENA_QENA_STAT_MASK; + rx_reg |= I40E_QRX_ENA_QENA_REQ_MASK; else - rx_reg &= ~(I40E_QRX_ENA_QENA_REQ_MASK | - I40E_QRX_ENA_QENA_STAT_MASK); + rx_reg &= ~I40E_QRX_ENA_QENA_REQ_MASK; wr32(hw, I40E_QRX_ENA(pf_q), rx_reg); /* wait for the change to finish */ for (j = 0; j < 10; j++) { rx_reg = rd32(hw, I40E_QRX_ENA(pf_q)); - if (enable) { - if ((rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - break; - } else { - if (!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - break; - } + if (enable == !!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) + break; udelay(10); } @@ -3030,9 +3346,9 @@ static int i40e_vsi_control_rx(struct i40e_vsi *vsi, bool enable) * @vsi: the VSI being configured * @enable: start or stop the rings **/ -static int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool request) +int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool request) { - int ret; + int ret = 0; /* do rx first for enable and last for disable */ if (request) { @@ -3041,10 +3357,9 @@ static int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool request) return ret; ret = i40e_vsi_control_tx(vsi, request); } else { - ret = i40e_vsi_control_tx(vsi, request); - if (ret) - return ret; - ret = i40e_vsi_control_rx(vsi, request); + /* Ignore return value, we need to shutdown whatever we can */ + i40e_vsi_control_tx(vsi, request); + i40e_vsi_control_rx(vsi, request); } return ret; @@ -3066,18 +3381,23 @@ static void i40e_vsi_free_irq(struct i40e_vsi *vsi) if (!vsi->q_vectors) return; + if (!vsi->irqs_ready) + return; + + vsi->irqs_ready = false; for (i = 0; i < vsi->num_q_vectors; i++) { u16 vector = i + base; /* free only the irqs that were actually requested */ - if (vsi->q_vectors[i].num_ringpairs == 0) + if (!vsi->q_vectors[i] || + !vsi->q_vectors[i]->num_ringpairs) continue; /* clear the affinity_mask in the IRQ descriptor */ irq_set_affinity_hint(pf->msix_entries[vector].vector, NULL); free_irq(pf->msix_entries[vector].vector, - &vsi->q_vectors[i]); + vsi->q_vectors[i]); /* Tear down the interrupt queue link list * @@ -3161,6 +3481,39 @@ static void i40e_vsi_free_irq(struct i40e_vsi *vsi) } /** + * i40e_free_q_vector - Free memory allocated for specific interrupt vector + * @vsi: the VSI being configured + * @v_idx: Index of vector to be freed + * + * This function frees the memory allocated to the q_vector. In addition if + * NAPI is enabled it will delete any references to the NAPI struct prior + * to freeing the q_vector. + **/ +static void i40e_free_q_vector(struct i40e_vsi *vsi, int v_idx) +{ + struct i40e_q_vector *q_vector = vsi->q_vectors[v_idx]; + struct i40e_ring *ring; + + if (!q_vector) + return; + + /* disassociate q_vector from rings */ + i40e_for_each_ring(ring, q_vector->tx) + ring->q_vector = NULL; + + i40e_for_each_ring(ring, q_vector->rx) + ring->q_vector = NULL; + + /* only VSI w/ an associated netdev is set up w/ NAPI */ + if (vsi->netdev) + netif_napi_del(&q_vector->napi); + + vsi->q_vectors[v_idx] = NULL; + + kfree_rcu(q_vector, rcu); +} + +/** * i40e_vsi_free_q_vectors - Free memory allocated for interrupt vectors * @vsi: the VSI being un-configured * @@ -3171,24 +3524,8 @@ static void i40e_vsi_free_q_vectors(struct i40e_vsi *vsi) { int v_idx; - for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++) { - struct i40e_q_vector *q_vector = &vsi->q_vectors[v_idx]; - int r_idx; - - if (!q_vector) - continue; - - /* disassociate q_vector from rings */ - for (r_idx = 0; r_idx < q_vector->tx.count; r_idx++) - q_vector->tx.ring[r_idx]->q_vector = NULL; - for (r_idx = 0; r_idx < q_vector->rx.count; r_idx++) - q_vector->rx.ring[r_idx]->q_vector = NULL; - - /* only VSI w/ an associated netdev is set up w/ NAPI */ - if (vsi->netdev) - netif_napi_del(&q_vector->napi); - } - kfree(vsi->q_vectors); + for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++) + i40e_free_q_vector(vsi, v_idx); } /** @@ -3220,7 +3557,7 @@ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf) int i; i40e_put_lump(pf->irq_pile, 0, I40E_PILE_VALID_BIT-1); - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i]) i40e_vsi_free_q_vectors(pf->vsi[i]); i40e_reset_interrupt_capability(pf); @@ -3238,7 +3575,7 @@ static void i40e_napi_enable_all(struct i40e_vsi *vsi) return; for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) - napi_enable(&vsi->q_vectors[q_idx].napi); + napi_enable(&vsi->q_vectors[q_idx]->napi); } /** @@ -3253,7 +3590,20 @@ static void i40e_napi_disable_all(struct i40e_vsi *vsi) return; for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) - napi_disable(&vsi->q_vectors[q_idx].napi); + napi_disable(&vsi->q_vectors[q_idx]->napi); +} + +/** + * i40e_vsi_close - Shut down a VSI + * @vsi: the vsi to be quelled + **/ +static void i40e_vsi_close(struct i40e_vsi *vsi) +{ + if (!test_and_set_bit(__I40E_DOWN, &vsi->state)) + i40e_down(vsi); + i40e_vsi_free_irq(vsi); + i40e_vsi_free_tx_resources(vsi); + i40e_vsi_free_rx_resources(vsi); } /** @@ -3269,8 +3619,7 @@ static void i40e_quiesce_vsi(struct i40e_vsi *vsi) if (vsi->netdev && netif_running(vsi->netdev)) { vsi->netdev->netdev_ops->ndo_stop(vsi->netdev); } else { - set_bit(__I40E_DOWN, &vsi->state); - i40e_down(vsi); + i40e_vsi_close(vsi); } } @@ -3287,7 +3636,7 @@ static void i40e_unquiesce_vsi(struct i40e_vsi *vsi) if (vsi->netdev && netif_running(vsi->netdev)) vsi->netdev->netdev_ops->ndo_open(vsi->netdev); else - i40e_up(vsi); /* this clears the DOWN bit */ + i40e_vsi_open(vsi); /* this clears the DOWN bit */ } /** @@ -3298,7 +3647,7 @@ static void i40e_pf_quiesce_all_vsi(struct i40e_pf *pf) { int v; - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v]) i40e_quiesce_vsi(pf->vsi[v]); } @@ -3312,7 +3661,7 @@ static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf) { int v; - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v]) i40e_unquiesce_vsi(pf->vsi[v]); } @@ -3326,7 +3675,8 @@ static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf) **/ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg) { - int num_tc = 0, i; + u8 num_tc = 0; + int i; /* Scan the ETS Config Priority Table to find * traffic class enabled for a given priority @@ -3341,9 +3691,7 @@ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg) /* Traffic class index starts from zero so * increment to return the actual count */ - num_tc++; - - return num_tc; + return num_tc + 1; } /** @@ -3451,28 +3799,27 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) struct i40e_aqc_query_vsi_bw_config_resp bw_config = {0}; struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; + i40e_status aq_ret; u32 tc_bw_max; - int ret; int i; /* Get the VSI level BW configuration */ - ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL); - if (ret) { + aq_ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL); + if (aq_ret) { dev_info(&pf->pdev->dev, "couldn't get pf vsi bw config, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); - return ret; + aq_ret, pf->hw.aq.asq_last_status); + return -EINVAL; } /* Get the VSI level BW configuration per TC */ - ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid, - &bw_ets_config, - NULL); - if (ret) { + aq_ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid, &bw_ets_config, + NULL); + if (aq_ret) { dev_info(&pf->pdev->dev, "couldn't get pf vsi ets bw config, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); - return ret; + aq_ret, pf->hw.aq.asq_last_status); + return -EINVAL; } if (bw_config.tc_valid_bits != bw_ets_config.tc_valid_bits) { @@ -3494,7 +3841,8 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) /* 3 bits out of 4 for each TC */ vsi->bw_ets_max_quanta[i] = (u8)((tc_bw_max >> (i*4)) & 0x7); } - return ret; + + return 0; } /** @@ -3505,30 +3853,30 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) * * Returns 0 on success, negative value on failure **/ -static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, - u8 enabled_tc, +static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, u8 enabled_tc, u8 *bw_share) { struct i40e_aqc_configure_vsi_tc_bw_data bw_data; - int i, ret = 0; + i40e_status aq_ret; + int i; bw_data.tc_valid_bits = enabled_tc; for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) bw_data.tc_bw_credits[i] = bw_share[i]; - ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid, - &bw_data, NULL); - if (ret) { + aq_ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid, &bw_data, + NULL); + if (aq_ret) { dev_info(&vsi->back->pdev->dev, - "%s: AQ command Config VSI BW allocation per TC failed = %d\n", - __func__, vsi->back->hw.aq.asq_last_status); - return ret; + "AQ command Config VSI BW allocation per TC failed = %d\n", + vsi->back->hw.aq.asq_last_status); + return -EINVAL; } for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) vsi->info.qs_handle[i] = bw_data.qs_handles[i]; - return ret; + return 0; } /** @@ -3677,6 +4025,206 @@ out: } /** + * i40e_veb_config_tc - Configure TCs for given VEB + * @veb: given VEB + * @enabled_tc: TC bitmap + * + * Configures given TC bitmap for VEB (switching) element + **/ +int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc) +{ + struct i40e_aqc_configure_switching_comp_bw_config_data bw_data = {0}; + struct i40e_pf *pf = veb->pf; + int ret = 0; + int i; + + /* No TCs or already enabled TCs just return */ + if (!enabled_tc || veb->enabled_tc == enabled_tc) + return ret; + + bw_data.tc_valid_bits = enabled_tc; + /* bw_data.absolute_credits is not set (relative) */ + + /* Enable ETS TCs with equal BW Share for now */ + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + if (enabled_tc & (1 << i)) + bw_data.tc_bw_share_credits[i] = 1; + } + + ret = i40e_aq_config_switch_comp_bw_config(&pf->hw, veb->seid, + &bw_data, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "veb bw config failed, aq_err=%d\n", + pf->hw.aq.asq_last_status); + goto out; + } + + /* Update the BW information */ + ret = i40e_veb_get_bw_info(veb); + if (ret) { + dev_info(&pf->pdev->dev, + "Failed getting veb bw config, aq_err=%d\n", + pf->hw.aq.asq_last_status); + } + +out: + return ret; +} + +#ifdef CONFIG_I40E_DCB +/** + * i40e_dcb_reconfigure - Reconfigure all VEBs and VSIs + * @pf: PF struct + * + * Reconfigure VEB/VSIs on a given PF; it is assumed that + * the caller would've quiesce all the VSIs before calling + * this function + **/ +static void i40e_dcb_reconfigure(struct i40e_pf *pf) +{ + u8 tc_map = 0; + int ret; + u8 v; + + /* Enable the TCs available on PF to all VEBs */ + tc_map = i40e_pf_get_tc_map(pf); + for (v = 0; v < I40E_MAX_VEB; v++) { + if (!pf->veb[v]) + continue; + ret = i40e_veb_config_tc(pf->veb[v], tc_map); + if (ret) { + dev_info(&pf->pdev->dev, + "Failed configuring TC for VEB seid=%d\n", + pf->veb[v]->seid); + /* Will try to configure as many components */ + } + } + + /* Update each VSI */ + for (v = 0; v < pf->num_alloc_vsi; v++) { + if (!pf->vsi[v]) + continue; + + /* - Enable all TCs for the LAN VSI + * - For all others keep them at TC0 for now + */ + if (v == pf->lan_vsi) + tc_map = i40e_pf_get_tc_map(pf); + else + tc_map = i40e_pf_get_default_tc(pf); + + ret = i40e_vsi_config_tc(pf->vsi[v], tc_map); + if (ret) { + dev_info(&pf->pdev->dev, + "Failed configuring TC for VSI seid=%d\n", + pf->vsi[v]->seid); + /* Will try to configure as many components */ + } else { + /* Re-configure VSI vectors based on updated TC map */ + i40e_vsi_map_rings_to_vectors(pf->vsi[v]); + if (pf->vsi[v]->netdev) + i40e_dcbnl_set_all(pf->vsi[v]); + } + } +} + +/** + * i40e_init_pf_dcb - Initialize DCB configuration + * @pf: PF being configured + * + * Query the current DCB configuration and cache it + * in the hardware structure + **/ +static int i40e_init_pf_dcb(struct i40e_pf *pf) +{ + struct i40e_hw *hw = &pf->hw; + int err = 0; + + if (pf->hw.func_caps.npar_enable) + goto out; + + /* Get the initial DCB configuration */ + err = i40e_init_dcb(hw); + if (!err) { + /* Device/Function is not DCBX capable */ + if ((!hw->func_caps.dcb) || + (hw->dcbx_status == I40E_DCBX_STATUS_DISABLED)) { + dev_info(&pf->pdev->dev, + "DCBX offload is not supported or is disabled for this PF.\n"); + + if (pf->flags & I40E_FLAG_MFP_ENABLED) + goto out; + + } else { + /* When status is not DISABLED then DCBX in FW */ + pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | + DCB_CAP_DCBX_VER_IEEE; + + pf->flags |= I40E_FLAG_DCB_CAPABLE; + /* Enable DCB tagging only when more than one TC */ + if (i40e_dcb_get_num_tc(&hw->local_dcbx_config) > 1) + pf->flags |= I40E_FLAG_DCB_ENABLED; + } + } else { + dev_info(&pf->pdev->dev, "AQ Querying DCB configuration failed: %d\n", + pf->hw.aq.asq_last_status); + } + +out: + return err; +} +#endif /* CONFIG_I40E_DCB */ +#define SPEED_SIZE 14 +#define FC_SIZE 8 +/** + * i40e_print_link_message - print link up or down + * @vsi: the VSI for which link needs a message + */ +static void i40e_print_link_message(struct i40e_vsi *vsi, bool isup) +{ + char speed[SPEED_SIZE] = "Unknown"; + char fc[FC_SIZE] = "RX/TX"; + + if (!isup) { + netdev_info(vsi->netdev, "NIC Link is Down\n"); + return; + } + + switch (vsi->back->hw.phy.link_info.link_speed) { + case I40E_LINK_SPEED_40GB: + strncpy(speed, "40 Gbps", SPEED_SIZE); + break; + case I40E_LINK_SPEED_10GB: + strncpy(speed, "10 Gbps", SPEED_SIZE); + break; + case I40E_LINK_SPEED_1GB: + strncpy(speed, "1000 Mbps", SPEED_SIZE); + break; + default: + break; + } + + switch (vsi->back->hw.fc.current_mode) { + case I40E_FC_FULL: + strncpy(fc, "RX/TX", FC_SIZE); + break; + case I40E_FC_TX_PAUSE: + strncpy(fc, "TX", FC_SIZE); + break; + case I40E_FC_RX_PAUSE: + strncpy(fc, "RX", FC_SIZE); + break; + default: + strncpy(fc, "None", FC_SIZE); + break; + } + + netdev_info(vsi->netdev, "NIC Link is Up %s Full Duplex, Flow Control: %s\n", + speed, fc); +} + +/** * i40e_up_complete - Finish the last steps of bringing up a connection * @vsi: the VSI being configured **/ @@ -3701,9 +4249,16 @@ static int i40e_up_complete(struct i40e_vsi *vsi) if ((pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP) && (vsi->netdev)) { + i40e_print_link_message(vsi, true); netif_tx_start_all_queues(vsi->netdev); netif_carrier_on(vsi->netdev); + } else if (vsi->netdev) { + i40e_print_link_message(vsi, false); } + + /* replay FDIR SB filters */ + if (vsi->type == I40E_VSI_FDIR) + i40e_fdir_filter_restore(vsi); i40e_service_event_schedule(pf); return 0; @@ -3770,8 +4325,8 @@ void i40e_down(struct i40e_vsi *vsi) i40e_napi_disable_all(vsi); for (i = 0; i < vsi->num_queue_pairs; i++) { - i40e_clean_tx_ring(&vsi->tx_rings[i]); - i40e_clean_rx_ring(&vsi->rx_rings[i]); + i40e_clean_tx_ring(vsi->tx_rings[i]); + i40e_clean_rx_ring(vsi->rx_rings[i]); } } @@ -3850,15 +4405,48 @@ static int i40e_open(struct net_device *netdev) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; - char int_name[IFNAMSIZ]; int err; - /* disallow open during test */ - if (test_bit(__I40E_TESTING, &pf->state)) + /* disallow open during test or if eeprom is broken */ + if (test_bit(__I40E_TESTING, &pf->state) || + test_bit(__I40E_BAD_EEPROM, &pf->state)) return -EBUSY; netif_carrier_off(netdev); + err = i40e_vsi_open(vsi); + if (err) + return err; + + /* configure global TSO hardware offload settings */ + wr32(&pf->hw, I40E_GLLAN_TSOMSK_F, be32_to_cpu(TCP_FLAG_PSH | + TCP_FLAG_FIN) >> 16); + wr32(&pf->hw, I40E_GLLAN_TSOMSK_M, be32_to_cpu(TCP_FLAG_PSH | + TCP_FLAG_FIN | + TCP_FLAG_CWR) >> 16); + wr32(&pf->hw, I40E_GLLAN_TSOMSK_L, be32_to_cpu(TCP_FLAG_CWR) >> 16); + +#ifdef CONFIG_I40E_VXLAN + vxlan_get_rx_port(netdev); +#endif + + return 0; +} + +/** + * i40e_vsi_open - + * @vsi: the VSI to open + * + * Finish initialization of the VSI. + * + * Returns 0 on success, negative value on failure + **/ +int i40e_vsi_open(struct i40e_vsi *vsi) +{ + struct i40e_pf *pf = vsi->back; + char int_name[IFNAMSIZ]; + int err; + /* allocate descriptors */ err = i40e_vsi_setup_tx_resources(vsi); if (err) @@ -3871,28 +4459,42 @@ static int i40e_open(struct net_device *netdev) if (err) goto err_setup_rx; - snprintf(int_name, sizeof(int_name) - 1, "%s-%s", - dev_driver_string(&pf->pdev->dev), netdev->name); - err = i40e_vsi_request_irq(vsi, int_name); - if (err) + if (vsi->netdev) { + snprintf(int_name, sizeof(int_name) - 1, "%s-%s", + dev_driver_string(&pf->pdev->dev), vsi->netdev->name); + err = i40e_vsi_request_irq(vsi, int_name); + if (err) + goto err_setup_rx; + + /* Notify the stack of the actual queue counts. */ + err = netif_set_real_num_tx_queues(vsi->netdev, + vsi->num_queue_pairs); + if (err) + goto err_set_queues; + + err = netif_set_real_num_rx_queues(vsi->netdev, + vsi->num_queue_pairs); + if (err) + goto err_set_queues; + + } else if (vsi->type == I40E_VSI_FDIR) { + snprintf(int_name, sizeof(int_name) - 1, "%s-fdir", + dev_driver_string(&pf->pdev->dev)); + err = i40e_vsi_request_irq(vsi, int_name); + } else { + err = -EINVAL; goto err_setup_rx; + } err = i40e_up_complete(vsi); if (err) goto err_up_complete; - if ((vsi->type == I40E_VSI_MAIN) || (vsi->type == I40E_VSI_VMDQ2)) { - err = i40e_aq_set_vsi_broadcast(&pf->hw, vsi->seid, true, NULL); - if (err) - netdev_info(netdev, - "couldn't set broadcast err %d aq_err %d\n", - err, pf->hw.aq.asq_last_status); - } - return 0; err_up_complete: i40e_down(vsi); +err_set_queues: i40e_vsi_free_irq(vsi); err_setup_rx: i40e_vsi_free_rx_resources(vsi); @@ -3905,6 +4507,26 @@ err_setup_tx: } /** + * i40e_fdir_filter_exit - Cleans up the Flow Director accounting + * @pf: Pointer to pf + * + * This function destroys the hlist where all the Flow Director + * filters were saved. + **/ +static void i40e_fdir_filter_exit(struct i40e_pf *pf) +{ + struct i40e_fdir_filter *filter; + struct hlist_node *node2; + + hlist_for_each_entry_safe(filter, node2, + &pf->fdir_filter_list, fdir_node) { + hlist_del(&filter->fdir_node); + kfree(filter); + } + pf->fdir_pf_active_filters = 0; +} + +/** * i40e_close - Disables a network interface * @netdev: network interface device structure * @@ -3919,14 +4541,7 @@ static int i40e_close(struct net_device *netdev) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - if (test_and_set_bit(__I40E_DOWN, &vsi->state)) - return 0; - - i40e_down(vsi); - i40e_vsi_free_irq(vsi); - - i40e_vsi_free_tx_resources(vsi); - i40e_vsi_free_rx_resources(vsi); + i40e_vsi_close(vsi); return 0; } @@ -3946,6 +4561,9 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) WARN_ON(in_interrupt()); + if (i40e_check_asq_alive(&pf->hw)) + i40e_vc_notify_reset(pf); + /* do the biggest reset indicated */ if (reset_flags & (1 << __I40E_GLOBAL_RESET_REQUESTED)) { @@ -3957,7 +4575,7 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) * for the warning interrupt will deal with the shutdown * and recovery of the switch setup. */ - dev_info(&pf->pdev->dev, "GlobalR requested\n"); + dev_dbg(&pf->pdev->dev, "GlobalR requested\n"); val = rd32(&pf->hw, I40E_GLGEN_RTRIG); val |= I40E_GLGEN_RTRIG_GLOBR_MASK; wr32(&pf->hw, I40E_GLGEN_RTRIG, val); @@ -3968,12 +4586,30 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) * * Same as Global Reset, except does *not* include the MAC/PHY */ - dev_info(&pf->pdev->dev, "CoreR requested\n"); + dev_dbg(&pf->pdev->dev, "CoreR requested\n"); val = rd32(&pf->hw, I40E_GLGEN_RTRIG); val |= I40E_GLGEN_RTRIG_CORER_MASK; wr32(&pf->hw, I40E_GLGEN_RTRIG, val); i40e_flush(&pf->hw); + } else if (reset_flags & (1 << __I40E_EMP_RESET_REQUESTED)) { + + /* Request a Firmware Reset + * + * Same as Global reset, plus restarting the + * embedded firmware engine. + */ + /* enable EMP Reset */ + val = rd32(&pf->hw, I40E_GLGEN_RSTENA_EMP); + val |= I40E_GLGEN_RSTENA_EMP_EMP_RST_ENA_MASK; + wr32(&pf->hw, I40E_GLGEN_RSTENA_EMP, val); + + /* force the reset */ + val = rd32(&pf->hw, I40E_GLGEN_RTRIG); + val |= I40E_GLGEN_RTRIG_EMPFWR_MASK; + wr32(&pf->hw, I40E_GLGEN_RTRIG, val); + i40e_flush(&pf->hw); + } else if (reset_flags & (1 << __I40E_PF_RESET_REQUESTED)) { /* Request a PF Reset @@ -3984,7 +4620,7 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) * the switch, since we need to do all the recovery as * for the Core Reset. */ - dev_info(&pf->pdev->dev, "PFR requested\n"); + dev_dbg(&pf->pdev->dev, "PFR requested\n"); i40e_handle_reset_warning(pf); } else if (reset_flags & (1 << __I40E_REINIT_REQUESTED)) { @@ -3993,7 +4629,7 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) /* Find the VSI(s) that requested a re-init */ dev_info(&pf->pdev->dev, "VSI reinit requested\n"); - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; if (vsi != NULL && test_bit(__I40E_REINIT_REQUESTED, &vsi->state)) { @@ -4011,6 +4647,154 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) } } +#ifdef CONFIG_I40E_DCB +/** + * i40e_dcb_need_reconfig - Check if DCB needs reconfig + * @pf: board private structure + * @old_cfg: current DCB config + * @new_cfg: new DCB config + **/ +bool i40e_dcb_need_reconfig(struct i40e_pf *pf, + struct i40e_dcbx_config *old_cfg, + struct i40e_dcbx_config *new_cfg) +{ + bool need_reconfig = false; + + /* Check if ETS configuration has changed */ + if (memcmp(&new_cfg->etscfg, + &old_cfg->etscfg, + sizeof(new_cfg->etscfg))) { + /* If Priority Table has changed reconfig is needed */ + if (memcmp(&new_cfg->etscfg.prioritytable, + &old_cfg->etscfg.prioritytable, + sizeof(new_cfg->etscfg.prioritytable))) { + need_reconfig = true; + dev_dbg(&pf->pdev->dev, "ETS UP2TC changed.\n"); + } + + if (memcmp(&new_cfg->etscfg.tcbwtable, + &old_cfg->etscfg.tcbwtable, + sizeof(new_cfg->etscfg.tcbwtable))) + dev_dbg(&pf->pdev->dev, "ETS TC BW Table changed.\n"); + + if (memcmp(&new_cfg->etscfg.tsatable, + &old_cfg->etscfg.tsatable, + sizeof(new_cfg->etscfg.tsatable))) + dev_dbg(&pf->pdev->dev, "ETS TSA Table changed.\n"); + } + + /* Check if PFC configuration has changed */ + if (memcmp(&new_cfg->pfc, + &old_cfg->pfc, + sizeof(new_cfg->pfc))) { + need_reconfig = true; + dev_dbg(&pf->pdev->dev, "PFC config change detected.\n"); + } + + /* Check if APP Table has changed */ + if (memcmp(&new_cfg->app, + &old_cfg->app, + sizeof(new_cfg->app))) { + need_reconfig = true; + dev_dbg(&pf->pdev->dev, "APP Table change detected.\n"); + } + + return need_reconfig; +} + +/** + * i40e_handle_lldp_event - Handle LLDP Change MIB event + * @pf: board private structure + * @e: event info posted on ARQ + **/ +static int i40e_handle_lldp_event(struct i40e_pf *pf, + struct i40e_arq_event_info *e) +{ + struct i40e_aqc_lldp_get_mib *mib = + (struct i40e_aqc_lldp_get_mib *)&e->desc.params.raw; + struct i40e_hw *hw = &pf->hw; + struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; + struct i40e_dcbx_config tmp_dcbx_cfg; + bool need_reconfig = false; + int ret = 0; + u8 type; + + /* Not DCB capable or capability disabled */ + if (!(pf->flags & I40E_FLAG_DCB_CAPABLE)) + return ret; + + /* Ignore if event is not for Nearest Bridge */ + type = ((mib->type >> I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) + & I40E_AQ_LLDP_BRIDGE_TYPE_MASK); + if (type != I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE) + return ret; + + /* Check MIB Type and return if event for Remote MIB update */ + type = mib->type & I40E_AQ_LLDP_MIB_TYPE_MASK; + if (type == I40E_AQ_LLDP_MIB_REMOTE) { + /* Update the remote cached instance and return */ + ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_REMOTE, + I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, + &hw->remote_dcbx_config); + goto exit; + } + + /* Convert/store the DCBX data from LLDPDU temporarily */ + memset(&tmp_dcbx_cfg, 0, sizeof(tmp_dcbx_cfg)); + ret = i40e_lldp_to_dcb_config(e->msg_buf, &tmp_dcbx_cfg); + if (ret) { + /* Error in LLDPDU parsing return */ + dev_info(&pf->pdev->dev, "Failed parsing LLDPDU from event buffer\n"); + goto exit; + } + + /* No change detected in DCBX configs */ + if (!memcmp(&tmp_dcbx_cfg, dcbx_cfg, sizeof(tmp_dcbx_cfg))) { + dev_dbg(&pf->pdev->dev, "No change detected in DCBX configuration.\n"); + goto exit; + } + + need_reconfig = i40e_dcb_need_reconfig(pf, dcbx_cfg, &tmp_dcbx_cfg); + + i40e_dcbnl_flush_apps(pf, &tmp_dcbx_cfg); + + /* Overwrite the new configuration */ + *dcbx_cfg = tmp_dcbx_cfg; + + if (!need_reconfig) + goto exit; + + /* Enable DCB tagging only when more than one TC */ + if (i40e_dcb_get_num_tc(dcbx_cfg) > 1) + pf->flags |= I40E_FLAG_DCB_ENABLED; + else + pf->flags &= ~I40E_FLAG_DCB_ENABLED; + + /* Reconfiguration needed quiesce all VSIs */ + i40e_pf_quiesce_all_vsi(pf); + + /* Changes in configuration update VEB/VSI */ + i40e_dcb_reconfigure(pf); + + i40e_pf_unquiesce_all_vsi(pf); +exit: + return ret; +} +#endif /* CONFIG_I40E_DCB */ + +/** + * i40e_do_reset_safe - Protected reset path for userland calls. + * @pf: board private structure + * @reset_flags: which reset is requested + * + **/ +void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags) +{ + rtnl_lock(); + i40e_do_reset(pf, reset_flags); + rtnl_unlock(); +} + /** * i40e_handle_lan_overflow_event - Handler for LAN queue overflow event * @pf: board private structure @@ -4030,8 +4814,8 @@ static void i40e_handle_lan_overflow_event(struct i40e_pf *pf, struct i40e_vf *vf; u16 vf_id; - dev_info(&pf->pdev->dev, "%s: Rx Queue Number = %d QTX_CTL=0x%08x\n", - __func__, queue, qtx_ctl); + dev_dbg(&pf->pdev->dev, "overflow Rx Queue Number = %d QTX_CTL=0x%08x\n", + queue, qtx_ctl); /* Queue belongs to VF, find the VF and issue VF reset */ if (((qtx_ctl & I40E_QTX_CTL_PFVF_Q_MASK) @@ -4056,11 +4840,58 @@ static void i40e_service_event_complete(struct i40e_pf *pf) BUG_ON(!test_bit(__I40E_SERVICE_SCHED, &pf->state)); /* flush memory to make sure state is correct before next watchog */ - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(__I40E_SERVICE_SCHED, &pf->state); } /** + * i40e_get_current_fd_count - Get the count of FD filters programmed in the HW + * @pf: board private structure + **/ +int i40e_get_current_fd_count(struct i40e_pf *pf) +{ + int val, fcnt_prog; + val = rd32(&pf->hw, I40E_PFQF_FDSTAT); + fcnt_prog = (val & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) + + ((val & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >> + I40E_PFQF_FDSTAT_BEST_CNT_SHIFT); + return fcnt_prog; +} + +/** + * i40e_fdir_check_and_reenable - Function to reenabe FD ATR or SB if disabled + * @pf: board private structure + **/ +void i40e_fdir_check_and_reenable(struct i40e_pf *pf) +{ + u32 fcnt_prog, fcnt_avail; + + /* Check if, FD SB or ATR was auto disabled and if there is enough room + * to re-enable + */ + if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && + (pf->flags & I40E_FLAG_FD_SB_ENABLED)) + return; + fcnt_prog = i40e_get_current_fd_count(pf); + fcnt_avail = i40e_get_fd_cnt_all(pf); + if (fcnt_prog < (fcnt_avail - I40E_FDIR_BUFFER_HEAD_ROOM)) { + if ((pf->flags & I40E_FLAG_FD_SB_ENABLED) && + (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) { + pf->auto_disable_flags &= ~I40E_FLAG_FD_SB_ENABLED; + dev_info(&pf->pdev->dev, "FD Sideband/ntuple is being enabled since we have space in the table now\n"); + } + } + /* Wait for some more space to be available to turn on ATR */ + if (fcnt_prog < (fcnt_avail - I40E_FDIR_BUFFER_HEAD_ROOM * 2)) { + if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && + (pf->auto_disable_flags & I40E_FLAG_FD_ATR_ENABLED)) { + pf->auto_disable_flags &= ~I40E_FLAG_FD_ATR_ENABLED; + dev_info(&pf->pdev->dev, "ATR is being enabled since we have space in the table now\n"); + } + } +} + +/** * i40e_fdir_reinit_subtask - Worker thread to reinit FDIR filter table * @pf: board private structure **/ @@ -4069,11 +4900,14 @@ static void i40e_fdir_reinit_subtask(struct i40e_pf *pf) if (!(pf->flags & I40E_FLAG_FDIR_REQUIRES_REINIT)) return; - pf->flags &= ~I40E_FLAG_FDIR_REQUIRES_REINIT; - /* if interface is down do nothing */ if (test_bit(__I40E_DOWN, &pf->state)) return; + i40e_fdir_check_and_reenable(pf); + + if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && + (pf->flags & I40E_FLAG_FD_SB_ENABLED)) + pf->flags &= ~I40E_FLAG_FDIR_REQUIRES_REINIT; } /** @@ -4132,7 +4966,7 @@ static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up) i40e_veb_link_event(pf->veb[i], link_up); /* ... now the local VSIs */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i] && (pf->vsi[i]->uplink_seid == veb->seid)) i40e_vsi_link_event(pf->vsi[i], link_up); } @@ -4150,9 +4984,8 @@ static void i40e_link_event(struct i40e_pf *pf) if (new_link == old_link) return; - - netdev_info(pf->vsi[pf->lan_vsi]->netdev, - "NIC Link is %s\n", (new_link ? "Up" : "Down")); + if (!test_bit(__I40E_DOWN, &pf->vsi[pf->lan_vsi]->state)) + i40e_print_link_message(pf->vsi[pf->lan_vsi], new_link); /* Notify the base of the switch tree connected to * the link. Floating VEBs are not notified. @@ -4164,6 +4997,9 @@ static void i40e_link_event(struct i40e_pf *pf) if (pf->vf) i40e_vc_notify_link_state(pf); + + if (pf->flags & I40E_FLAG_PTP) + i40e_ptp_set_increment(pf); } /** @@ -4187,7 +5023,7 @@ static void i40e_check_hang_subtask(struct i40e_pf *pf) * for each q_vector * force an interrupt */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; int armed = 0; @@ -4197,9 +5033,9 @@ static void i40e_check_hang_subtask(struct i40e_pf *pf) continue; for (i = 0; i < vsi->num_queue_pairs; i++) { - set_check_for_tx_hang(&vsi->tx_rings[i]); + set_check_for_tx_hang(vsi->tx_rings[i]); if (test_bit(__I40E_HANG_CHECK_ARMED, - &vsi->tx_rings[i].state)) + &vsi->tx_rings[i]->state)) armed++; } @@ -4237,7 +5073,7 @@ static void i40e_watchdog_subtask(struct i40e_pf *pf) /* Update the stats for active netdevs so the network stack * can look at updated numbers whenever it cares to */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i] && pf->vsi[i]->netdev) i40e_update_stats(pf->vsi[i]); @@ -4245,6 +5081,8 @@ static void i40e_watchdog_subtask(struct i40e_pf *pf) for (i = 0; i < I40E_MAX_VEB; i++) if (pf->veb[i]) i40e_update_veb_stats(pf->veb[i]); + + i40e_ptp_rx_hang(pf->vsi[pf->lan_vsi]); } /** @@ -4255,6 +5093,7 @@ static void i40e_reset_subtask(struct i40e_pf *pf) { u32 reset_flags = 0; + rtnl_lock(); if (test_bit(__I40E_REINIT_REQUESTED, &pf->state)) { reset_flags |= (1 << __I40E_REINIT_REQUESTED); clear_bit(__I40E_REINIT_REQUESTED, &pf->state); @@ -4277,7 +5116,7 @@ static void i40e_reset_subtask(struct i40e_pf *pf) */ if (test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) { i40e_handle_reset_warning(pf); - return; + goto unlock; } /* If we're already down or resetting, just bail */ @@ -4285,6 +5124,9 @@ static void i40e_reset_subtask(struct i40e_pf *pf) !test_bit(__I40E_DOWN, &pf->state) && !test_bit(__I40E_CONFIG_BUSY, &pf->state)) i40e_do_reset(pf, reset_flags); + +unlock: + rtnl_unlock(); } /** @@ -4337,17 +5179,54 @@ static void i40e_clean_adminq_subtask(struct i40e_pf *pf) u16 pending, i = 0; i40e_status ret; u16 opcode; + u32 oldval; u32 val; if (!test_bit(__I40E_ADMINQ_EVENT_PENDING, &pf->state)) return; + /* check for error indications */ + val = rd32(&pf->hw, pf->hw.aq.arq.len); + oldval = val; + if (val & I40E_PF_ARQLEN_ARQVFE_MASK) { + dev_info(&pf->pdev->dev, "ARQ VF Error detected\n"); + val &= ~I40E_PF_ARQLEN_ARQVFE_MASK; + } + if (val & I40E_PF_ARQLEN_ARQOVFL_MASK) { + dev_info(&pf->pdev->dev, "ARQ Overflow Error detected\n"); + val &= ~I40E_PF_ARQLEN_ARQOVFL_MASK; + } + if (val & I40E_PF_ARQLEN_ARQCRIT_MASK) { + dev_info(&pf->pdev->dev, "ARQ Critical Error detected\n"); + val &= ~I40E_PF_ARQLEN_ARQCRIT_MASK; + } + if (oldval != val) + wr32(&pf->hw, pf->hw.aq.arq.len, val); + + val = rd32(&pf->hw, pf->hw.aq.asq.len); + oldval = val; + if (val & I40E_PF_ATQLEN_ATQVFE_MASK) { + dev_info(&pf->pdev->dev, "ASQ VF Error detected\n"); + val &= ~I40E_PF_ATQLEN_ATQVFE_MASK; + } + if (val & I40E_PF_ATQLEN_ATQOVFL_MASK) { + dev_info(&pf->pdev->dev, "ASQ Overflow Error detected\n"); + val &= ~I40E_PF_ATQLEN_ATQOVFL_MASK; + } + if (val & I40E_PF_ATQLEN_ATQCRIT_MASK) { + dev_info(&pf->pdev->dev, "ASQ Critical Error detected\n"); + val &= ~I40E_PF_ATQLEN_ATQCRIT_MASK; + } + if (oldval != val) + wr32(&pf->hw, pf->hw.aq.asq.len, val); + event.msg_size = I40E_MAX_AQ_BUF_SIZE; event.msg_buf = kzalloc(event.msg_size, GFP_KERNEL); if (!event.msg_buf) return; do { + event.msg_size = I40E_MAX_AQ_BUF_SIZE; /* reinit each time */ ret = i40e_clean_arq_element(hw, &event, &pending); if (ret == I40E_ERR_ADMIN_QUEUE_NO_WORK) { dev_info(&pf->pdev->dev, "No ARQ event found\n"); @@ -4372,16 +5251,24 @@ static void i40e_clean_adminq_subtask(struct i40e_pf *pf) event.msg_size); break; case i40e_aqc_opc_lldp_update_mib: - dev_info(&pf->pdev->dev, "ARQ: Update LLDP MIB event received\n"); + dev_dbg(&pf->pdev->dev, "ARQ: Update LLDP MIB event received\n"); +#ifdef CONFIG_I40E_DCB + rtnl_lock(); + ret = i40e_handle_lldp_event(pf, &event); + rtnl_unlock(); +#endif /* CONFIG_I40E_DCB */ break; case i40e_aqc_opc_event_lan_overflow: - dev_info(&pf->pdev->dev, "ARQ LAN queue overflow event received\n"); + dev_dbg(&pf->pdev->dev, "ARQ LAN queue overflow event received\n"); i40e_handle_lan_overflow_event(pf, &event); break; + case i40e_aqc_opc_send_msg_to_peer: + dev_info(&pf->pdev->dev, "ARQ: Msg from other pf\n"); + break; default: dev_info(&pf->pdev->dev, - "ARQ Error: Unknown event %d received\n", - event.desc.opcode); + "ARQ Error: Unknown event 0x%04x received\n", + opcode); break; } } while (pending && (i++ < pf->adminq_work_limit)); @@ -4397,6 +5284,31 @@ static void i40e_clean_adminq_subtask(struct i40e_pf *pf) } /** + * i40e_verify_eeprom - make sure eeprom is good to use + * @pf: board private structure + **/ +static void i40e_verify_eeprom(struct i40e_pf *pf) +{ + int err; + + err = i40e_diag_eeprom_test(&pf->hw); + if (err) { + /* retry in case of garbage read */ + err = i40e_diag_eeprom_test(&pf->hw); + if (err) { + dev_info(&pf->pdev->dev, "eeprom check failed (%d), Tx/Rx traffic disabled\n", + err); + set_bit(__I40E_BAD_EEPROM, &pf->state); + } + } + + if (!err && test_bit(__I40E_BAD_EEPROM, &pf->state)) { + dev_info(&pf->pdev->dev, "eeprom check passed, Tx/Rx traffic enabled\n"); + clear_bit(__I40E_BAD_EEPROM, &pf->state); + } +} + +/** * i40e_reconstitute_veb - rebuild the VEB and anything connected to it * @veb: pointer to the VEB instance * @@ -4413,7 +5325,7 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) int ret; /* build VSI that owns this VEB, temporarily attached to base VEB */ - for (v = 0; v < pf->hw.func_caps.num_vsis && !ctl_vsi; v++) { + for (v = 0; v < pf->num_alloc_vsi && !ctl_vsi; v++) { if (pf->vsi[v] && pf->vsi[v]->veb_idx == veb->idx && pf->vsi[v]->flags & I40E_VSI_FLAG_VEB_OWNER) { @@ -4443,7 +5355,7 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) goto end_reconstitute; /* create the remaining VSIs attached to this VEB */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (!pf->vsi[v] || pf->vsi[v] == ctl_vsi) continue; @@ -4511,6 +5423,12 @@ static int i40e_get_capabilities(struct i40e_pf *pf) } } while (err); + if (((pf->hw.aq.fw_maj_ver == 2) && (pf->hw.aq.fw_min_ver < 22)) || + (pf->hw.aq.fw_maj_ver < 2)) { + pf->hw.func_caps.num_msix_vectors++; + pf->hw.func_caps.num_msix_vectors_vf++; + } + if (pf->hw.debug_mask & I40E_DEBUG_USER) dev_info(&pf->pdev->dev, "pf=%d, num_vfs=%d, msix_pf=%d, msix_vf=%d, fd_g=%d, fd_b=%d, pf_max_q=%d num_vsi=%d\n", @@ -4522,56 +5440,53 @@ static int i40e_get_capabilities(struct i40e_pf *pf) pf->hw.func_caps.num_tx_qp, pf->hw.func_caps.num_vsis); +#define DEF_NUM_VSI (1 + (pf->hw.func_caps.fcoe ? 1 : 0) \ + + pf->hw.func_caps.num_vfs) + if (pf->hw.revision_id == 0 && (DEF_NUM_VSI > pf->hw.func_caps.num_vsis)) { + dev_info(&pf->pdev->dev, + "got num_vsis %d, setting num_vsis to %d\n", + pf->hw.func_caps.num_vsis, DEF_NUM_VSI); + pf->hw.func_caps.num_vsis = DEF_NUM_VSI; + } + return 0; } +static int i40e_vsi_clear(struct i40e_vsi *vsi); + /** - * i40e_fdir_setup - initialize the Flow Director resources + * i40e_fdir_sb_setup - initialize the Flow Director resources for Sideband * @pf: board private structure **/ -static void i40e_fdir_setup(struct i40e_pf *pf) +static void i40e_fdir_sb_setup(struct i40e_pf *pf) { struct i40e_vsi *vsi; - bool new_vsi = false; - int err, i; + int i; - if (!(pf->flags & (I40E_FLAG_FDIR_ENABLED|I40E_FLAG_FDIR_ATR_ENABLED))) + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) return; - pf->atr_sample_rate = I40E_DEFAULT_ATR_SAMPLE_RATE; - - /* find existing or make new FDIR VSI */ + /* find existing VSI and see if it needs configuring */ vsi = NULL; - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) - if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) + for (i = 0; i < pf->num_alloc_vsi; i++) { + if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) { vsi = pf->vsi[i]; + break; + } + } + + /* create a new VSI if none exists */ if (!vsi) { - vsi = i40e_vsi_setup(pf, I40E_VSI_FDIR, pf->mac_seid, 0); + vsi = i40e_vsi_setup(pf, I40E_VSI_FDIR, + pf->vsi[pf->lan_vsi]->seid, 0); if (!vsi) { dev_info(&pf->pdev->dev, "Couldn't create FDir VSI\n"); - pf->flags &= ~I40E_FLAG_FDIR_ENABLED; + pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; return; } - new_vsi = true; } - WARN_ON(vsi->base_queue != I40E_FDIR_RING); - i40e_vsi_setup_irqhandler(vsi, i40e_fdir_clean_rings); - err = i40e_vsi_setup_tx_resources(vsi); - if (!err) - err = i40e_vsi_setup_rx_resources(vsi); - if (!err) - err = i40e_vsi_configure(vsi); - if (!err && new_vsi) { - char int_name[IFNAMSIZ + 9]; - snprintf(int_name, sizeof(int_name) - 1, "%s-fdir", - dev_driver_string(&pf->pdev->dev)); - err = i40e_vsi_request_irq(vsi, int_name); - } - if (!err) - err = i40e_up_complete(vsi); - - clear_bit(__I40E_NEEDS_RESTART, &vsi->state); + i40e_vsi_setup_irqhandler(vsi, i40e_fdir_clean_ring); } /** @@ -4582,7 +5497,8 @@ static void i40e_fdir_teardown(struct i40e_pf *pf) { int i; - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + i40e_fdir_filter_exit(pf); + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) { i40e_vsi_release(pf->vsi[i]); break; @@ -4591,49 +5507,86 @@ static void i40e_fdir_teardown(struct i40e_pf *pf) } /** - * i40e_handle_reset_warning - prep for the core to reset + * i40e_prep_for_reset - prep for the core to reset * @pf: board private structure * - * Close up the VFs and other things in prep for a Core Reset, - * then get ready to rebuild the world. - **/ -static void i40e_handle_reset_warning(struct i40e_pf *pf) + * Close up the VFs and other things in prep for pf Reset. + **/ +static int i40e_prep_for_reset(struct i40e_pf *pf) { - struct i40e_driver_version dv; struct i40e_hw *hw = &pf->hw; - i40e_status ret; + i40e_status ret = 0; u32 v; clear_bit(__I40E_RESET_INTR_RECEIVED, &pf->state); if (test_and_set_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state)) - return; - - dev_info(&pf->pdev->dev, "Tearing down internal switch for reset\n"); + return 0; - i40e_vc_notify_reset(pf); + dev_dbg(&pf->pdev->dev, "Tearing down internal switch for reset\n"); /* quiesce the VSIs and their queues that are not already DOWN */ i40e_pf_quiesce_all_vsi(pf); - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v]) pf->vsi[v]->seid = 0; } i40e_shutdown_adminq(&pf->hw); + /* call shutdown HMC */ + if (hw->hmc.hmc_obj) { + ret = i40e_shutdown_lan_hmc(hw); + if (ret) { + dev_warn(&pf->pdev->dev, + "shutdown_lan_hmc failed: %d\n", ret); + clear_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state); + } + } + return ret; +} + +/** + * i40e_send_version - update firmware with driver version + * @pf: PF struct + */ +static void i40e_send_version(struct i40e_pf *pf) +{ + struct i40e_driver_version dv; + + dv.major_version = DRV_VERSION_MAJOR; + dv.minor_version = DRV_VERSION_MINOR; + dv.build_version = DRV_VERSION_BUILD; + dv.subbuild_version = 0; + strncpy(dv.driver_string, DRV_VERSION, sizeof(dv.driver_string)); + i40e_aq_send_driver_version(&pf->hw, &dv, NULL); +} + +/** + * i40e_reset_and_rebuild - reset and rebuild using a saved config + * @pf: board private structure + * @reinit: if the Main VSI needs to re-initialized. + **/ +static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) +{ + struct i40e_hw *hw = &pf->hw; + i40e_status ret; + u32 v; + /* Now we wait for GRST to settle out. * We don't have to delete the VEBs or VSIs from the hw switch * because the reset will make them disappear. */ ret = i40e_pf_reset(hw); - if (ret) + if (ret) { dev_info(&pf->pdev->dev, "PF reset failed, %d\n", ret); + goto end_core_reset; + } pf->pfr_count++; if (test_bit(__I40E_DOWN, &pf->state)) goto end_core_reset; - dev_info(&pf->pdev->dev, "Rebuilding internal switch\n"); + dev_dbg(&pf->pdev->dev, "Rebuilding internal switch\n"); /* rebuild the basics for the AdminQ, HMC, and initial HW switch */ ret = i40e_init_adminq(&pf->hw); @@ -4642,6 +5595,13 @@ static void i40e_handle_reset_warning(struct i40e_pf *pf) goto end_core_reset; } + /* re-verify the eeprom if we just had an EMP reset */ + if (test_bit(__I40E_EMP_RESET_REQUESTED, &pf->state)) { + clear_bit(__I40E_EMP_RESET_REQUESTED, &pf->state); + i40e_verify_eeprom(pf); + } + + i40e_clear_pxe_mode(hw); ret = i40e_get_capabilities(pf); if (ret) { dev_info(&pf->pdev->dev, "i40e_get_capabilities failed, %d\n", @@ -4649,13 +5609,6 @@ static void i40e_handle_reset_warning(struct i40e_pf *pf) goto end_core_reset; } - /* call shutdown HMC */ - ret = i40e_shutdown_lan_hmc(hw); - if (ret) { - dev_info(&pf->pdev->dev, "shutdown_lan_hmc failed: %d\n", ret); - goto end_core_reset; - } - ret = i40e_init_lan_hmc(hw, hw->func_caps.num_tx_qp, hw->func_caps.num_rx_qp, pf->fcoe_hmc_cntx_num, pf->fcoe_hmc_filt_num); @@ -4669,8 +5622,16 @@ static void i40e_handle_reset_warning(struct i40e_pf *pf) goto end_core_reset; } +#ifdef CONFIG_I40E_DCB + ret = i40e_init_pf_dcb(pf); + if (ret) { + dev_info(&pf->pdev->dev, "init_pf_dcb failed: %d\n", ret); + goto end_core_reset; + } +#endif /* CONFIG_I40E_DCB */ + /* do basic switch setup */ - ret = i40e_setup_pf_switch(pf); + ret = i40e_setup_pf_switch(pf, reinit); if (ret) goto end_core_reset; @@ -4682,7 +5643,7 @@ static void i40e_handle_reset_warning(struct i40e_pf *pf) * try to recover minimal use by getting the basic PF VSI working. */ if (pf->vsi[pf->lan_vsi]->uplink_seid != pf->mac_seid) { - dev_info(&pf->pdev->dev, "attempting to rebuild switch\n"); + dev_dbg(&pf->pdev->dev, "attempting to rebuild switch\n"); /* find the one VEB connected to the MAC, and find orphans */ for (v = 0; v < I40E_MAX_VEB; v++) { if (!pf->veb[v]) @@ -4735,20 +5696,35 @@ static void i40e_handle_reset_warning(struct i40e_pf *pf) /* restart the VSIs that were rebuilt and running before the reset */ i40e_pf_unquiesce_all_vsi(pf); - /* tell the firmware that we're starting */ - dv.major_version = DRV_VERSION_MAJOR; - dv.minor_version = DRV_VERSION_MINOR; - dv.build_version = DRV_VERSION_BUILD; - dv.subbuild_version = 0; - i40e_aq_send_driver_version(&pf->hw, &dv, NULL); + if (pf->num_alloc_vfs) { + for (v = 0; v < pf->num_alloc_vfs; v++) + i40e_reset_vf(&pf->vf[v], true); + } - dev_info(&pf->pdev->dev, "PF reset done\n"); + /* tell the firmware that we're starting */ + i40e_send_version(pf); end_core_reset: clear_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state); } /** + * i40e_handle_reset_warning - prep for the pf to reset, reset and rebuild + * @pf: board private structure + * + * Close up the VFs and other things in prep for a Core Reset, + * then get ready to rebuild the world. + **/ +static void i40e_handle_reset_warning(struct i40e_pf *pf) +{ + i40e_status ret; + + ret = i40e_prep_for_reset(pf); + if (!ret) + i40e_reset_and_rebuild(pf, false); +} + +/** * i40e_handle_mdd_event * @pf: pointer to the pf structure * @@ -4775,7 +5751,7 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) u8 queue = (reg & I40E_GL_MDET_TX_QUEUE_MASK) >> I40E_GL_MDET_TX_QUEUE_SHIFT; dev_info(&pf->pdev->dev, - "Malicious Driver Detection TX event 0x%02x on q %d of function 0x%02x\n", + "Malicious Driver Detection event 0x%02x on TX queue %d of function 0x%02x\n", event, queue, func); wr32(hw, I40E_GL_MDET_TX, 0xffffffff); mdd_detected = true; @@ -4789,7 +5765,7 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) u8 queue = (reg & I40E_GL_MDET_RX_QUEUE_MASK) >> I40E_GL_MDET_RX_QUEUE_SHIFT; dev_info(&pf->pdev->dev, - "Malicious Driver Detection RX event 0x%02x on q %d of function 0x%02x\n", + "Malicious Driver Detection event 0x%02x on RX queue %d of function 0x%02x\n", event, queue, func); wr32(hw, I40E_GL_MDET_RX, 0xffffffff); mdd_detected = true; @@ -4829,6 +5805,50 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) i40e_flush(hw); } +#ifdef CONFIG_I40E_VXLAN +/** + * i40e_sync_vxlan_filters_subtask - Sync the VSI filter list with HW + * @pf: board private structure + **/ +static void i40e_sync_vxlan_filters_subtask(struct i40e_pf *pf) +{ + struct i40e_hw *hw = &pf->hw; + i40e_status ret; + u8 filter_index; + __be16 port; + int i; + + if (!(pf->flags & I40E_FLAG_VXLAN_FILTER_SYNC)) + return; + + pf->flags &= ~I40E_FLAG_VXLAN_FILTER_SYNC; + + for (i = 0; i < I40E_MAX_PF_UDP_OFFLOAD_PORTS; i++) { + if (pf->pending_vxlan_bitmap & (1 << i)) { + pf->pending_vxlan_bitmap &= ~(1 << i); + port = pf->vxlan_ports[i]; + ret = port ? + i40e_aq_add_udp_tunnel(hw, ntohs(port), + I40E_AQC_TUNNEL_TYPE_VXLAN, + &filter_index, NULL) + : i40e_aq_del_udp_tunnel(hw, i, NULL); + + if (ret) { + dev_info(&pf->pdev->dev, "Failed to execute AQ command for %s port %d with index %d\n", + port ? "adding" : "deleting", + ntohs(port), port ? i : i); + + pf->vxlan_ports[i] = 0; + } else { + dev_info(&pf->pdev->dev, "%s port %d with AQ command with index %d\n", + port ? "Added" : "Deleted", + ntohs(port), port ? i : filter_index); + } + } + } +} + +#endif /** * i40e_service_task - Run the driver's async subtasks * @work: pointer to work_struct containing our data @@ -4847,6 +5867,9 @@ static void i40e_service_task(struct work_struct *work) i40e_fdir_reinit_subtask(pf); i40e_check_hang_subtask(pf); i40e_sync_filters_subtask(pf); +#ifdef CONFIG_I40E_VXLAN + i40e_sync_vxlan_filters_subtask(pf); +#endif i40e_clean_adminq_subtask(pf); i40e_service_event_complete(pf); @@ -4924,6 +5947,42 @@ static int i40e_set_num_rings_in_vsi(struct i40e_vsi *vsi) } /** + * i40e_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the vsi + * @type: VSI pointer + * @alloc_qvectors: a bool to specify if q_vectors need to be allocated. + * + * On error: returns error code (negative) + * On success: returns 0 + **/ +static int i40e_vsi_alloc_arrays(struct i40e_vsi *vsi, bool alloc_qvectors) +{ + int size; + int ret = 0; + + /* allocate memory for both Tx and Rx ring pointers */ + size = sizeof(struct i40e_ring *) * vsi->alloc_queue_pairs * 2; + vsi->tx_rings = kzalloc(size, GFP_KERNEL); + if (!vsi->tx_rings) + return -ENOMEM; + vsi->rx_rings = &vsi->tx_rings[vsi->alloc_queue_pairs]; + + if (alloc_qvectors) { + /* allocate memory for q_vector pointers */ + size = sizeof(struct i40e_q_vectors *) * vsi->num_q_vectors; + vsi->q_vectors = kzalloc(size, GFP_KERNEL); + if (!vsi->q_vectors) { + ret = -ENOMEM; + goto err_vectors; + } + } + return ret; + +err_vectors: + kfree(vsi->tx_rings); + return ret; +} + +/** * i40e_vsi_mem_alloc - Allocates the next available struct vsi in the PF * @pf: board private structure * @type: type of VSI @@ -4948,26 +6007,26 @@ static int i40e_vsi_mem_alloc(struct i40e_pf *pf, enum i40e_vsi_type type) * find next empty vsi slot, looping back around if necessary */ i = pf->next_vsi; - while (i < pf->hw.func_caps.num_vsis && pf->vsi[i]) + while (i < pf->num_alloc_vsi && pf->vsi[i]) i++; - if (i >= pf->hw.func_caps.num_vsis) { + if (i >= pf->num_alloc_vsi) { i = 0; while (i < pf->next_vsi && pf->vsi[i]) i++; } - if (i < pf->hw.func_caps.num_vsis && !pf->vsi[i]) { + if (i < pf->num_alloc_vsi && !pf->vsi[i]) { vsi_idx = i; /* Found one! */ } else { ret = -ENODEV; - goto err_alloc_vsi; /* out of VSI slots! */ + goto unlock_pf; /* out of VSI slots! */ } pf->next_vsi = ++i; vsi = kzalloc(sizeof(*vsi), GFP_KERNEL); if (!vsi) { ret = -ENOMEM; - goto err_alloc_vsi; + goto unlock_pf; } vsi->type = type; vsi->back = pf; @@ -4979,20 +6038,52 @@ static int i40e_vsi_mem_alloc(struct i40e_pf *pf, enum i40e_vsi_type type) vsi->netdev_registered = false; vsi->work_limit = I40E_DEFAULT_IRQ_WORK; INIT_LIST_HEAD(&vsi->mac_filter_list); + vsi->irqs_ready = false; - i40e_set_num_rings_in_vsi(vsi); + ret = i40e_set_num_rings_in_vsi(vsi); + if (ret) + goto err_rings; + + ret = i40e_vsi_alloc_arrays(vsi, true); + if (ret) + goto err_rings; /* Setup default MSIX irq handler for VSI */ i40e_vsi_setup_irqhandler(vsi, i40e_msix_clean_rings); pf->vsi[vsi_idx] = vsi; ret = vsi_idx; -err_alloc_vsi: + goto unlock_pf; + +err_rings: + pf->next_vsi = i - 1; + kfree(vsi); +unlock_pf: mutex_unlock(&pf->switch_mutex); return ret; } /** + * i40e_vsi_free_arrays - Free queue and vector pointer arrays for the VSI + * @type: VSI pointer + * @free_qvectors: a bool to specify if q_vectors need to be freed. + * + * On error: returns error code (negative) + * On success: returns 0 + **/ +static void i40e_vsi_free_arrays(struct i40e_vsi *vsi, bool free_qvectors) +{ + /* free the ring and vector containers */ + if (free_qvectors) { + kfree(vsi->q_vectors); + vsi->q_vectors = NULL; + } + kfree(vsi->tx_rings); + vsi->tx_rings = NULL; + vsi->rx_rings = NULL; +} + +/** * i40e_vsi_clear - Deallocate the VSI provided * @vsi: the VSI being un-configured **/ @@ -5028,6 +6119,8 @@ static int i40e_vsi_clear(struct i40e_vsi *vsi) i40e_put_lump(pf->qp_pile, vsi->base_queue, vsi->idx); i40e_put_lump(pf->irq_pile, vsi->base_vector, vsi->idx); + i40e_vsi_free_arrays(vsi, true); + pf->vsi[vsi->idx] = NULL; if (vsi->idx < pf->next_vsi) pf->next_vsi = vsi->idx; @@ -5041,34 +6134,38 @@ free_vsi: } /** + * i40e_vsi_clear_rings - Deallocates the Rx and Tx rings for the provided VSI + * @vsi: the VSI being cleaned + **/ +static void i40e_vsi_clear_rings(struct i40e_vsi *vsi) +{ + int i; + + if (vsi->tx_rings && vsi->tx_rings[0]) { + for (i = 0; i < vsi->alloc_queue_pairs; i++) { + kfree_rcu(vsi->tx_rings[i], rcu); + vsi->tx_rings[i] = NULL; + vsi->rx_rings[i] = NULL; + } + } +} + +/** * i40e_alloc_rings - Allocates the Rx and Tx rings for the provided VSI * @vsi: the VSI being configured **/ static int i40e_alloc_rings(struct i40e_vsi *vsi) { + struct i40e_ring *tx_ring, *rx_ring; struct i40e_pf *pf = vsi->back; - int ret = 0; int i; - vsi->rx_rings = kcalloc(vsi->alloc_queue_pairs, - sizeof(struct i40e_ring), GFP_KERNEL); - if (!vsi->rx_rings) { - ret = -ENOMEM; - goto err_alloc_rings; - } - - vsi->tx_rings = kcalloc(vsi->alloc_queue_pairs, - sizeof(struct i40e_ring), GFP_KERNEL); - if (!vsi->tx_rings) { - ret = -ENOMEM; - kfree(vsi->rx_rings); - goto err_alloc_rings; - } - /* Set basic values in the rings to be used later during open() */ for (i = 0; i < vsi->alloc_queue_pairs; i++) { - struct i40e_ring *rx_ring = &vsi->rx_rings[i]; - struct i40e_ring *tx_ring = &vsi->tx_rings[i]; + /* allocate space for both Tx and Rx in one shot */ + tx_ring = kzalloc(sizeof(struct i40e_ring) * 2, GFP_KERNEL); + if (!tx_ring) + goto err_out; tx_ring->queue_index = i; tx_ring->reg_idx = vsi->base_queue + i; @@ -5079,7 +6176,9 @@ static int i40e_alloc_rings(struct i40e_vsi *vsi) tx_ring->count = vsi->num_desc; tx_ring->size = 0; tx_ring->dcb_tc = 0; + vsi->tx_rings[i] = tx_ring; + rx_ring = &tx_ring[1]; rx_ring->queue_index = i; rx_ring->reg_idx = vsi->base_queue + i; rx_ring->ring_active = false; @@ -5093,24 +6192,14 @@ static int i40e_alloc_rings(struct i40e_vsi *vsi) set_ring_16byte_desc_enabled(rx_ring); else clear_ring_16byte_desc_enabled(rx_ring); - } - -err_alloc_rings: - return ret; -} - -/** - * i40e_vsi_clear_rings - Deallocates the Rx and Tx rings for the provided VSI - * @vsi: the VSI being cleaned - **/ -static int i40e_vsi_clear_rings(struct i40e_vsi *vsi) -{ - if (vsi) { - kfree(vsi->rx_rings); - kfree(vsi->tx_rings); + vsi->rx_rings[i] = rx_ring; } return 0; + +err_out: + i40e_vsi_clear_rings(vsi); + return -ENOMEM; } /** @@ -5122,34 +6211,11 @@ static int i40e_vsi_clear_rings(struct i40e_vsi *vsi) **/ static int i40e_reserve_msix_vectors(struct i40e_pf *pf, int vectors) { - int err = 0; - - pf->num_msix_entries = 0; - while (vectors >= I40E_MIN_MSIX) { - err = pci_enable_msix(pf->pdev, pf->msix_entries, vectors); - if (err == 0) { - /* good to go */ - pf->num_msix_entries = vectors; - break; - } else if (err < 0) { - /* total failure */ - dev_info(&pf->pdev->dev, - "MSI-X vector reservation failed: %d\n", err); - vectors = 0; - break; - } else { - /* err > 0 is the hint for retry */ - dev_info(&pf->pdev->dev, - "MSI-X vectors wanted %d, retrying with %d\n", - vectors, err); - vectors = err; - } - } - - if (vectors > 0 && vectors < I40E_MIN_MSIX) { + vectors = pci_enable_msix_range(pf->pdev, pf->msix_entries, + I40E_MIN_MSIX, vectors); + if (vectors < 0) { dev_info(&pf->pdev->dev, - "Couldn't get enough vectors, only %d available\n", - vectors); + "MSI-X vector reservation failed: %d\n", vectors); vectors = 0; } @@ -5177,19 +6243,22 @@ static int i40e_init_msix(struct i40e_pf *pf) /* The number of vectors we'll request will be comprised of: * - Add 1 for "other" cause for Admin Queue events, etc. * - The number of LAN queue pairs - * already adjusted for the NUMA node - * assumes symmetric Tx/Rx pairing + * - Queues being used for RSS. + * We don't need as many as max_rss_size vectors. + * use rss_size instead in the calculation since that + * is governed by number of cpus in the system. + * - assumes symmetric Tx/Rx pairing * - The number of VMDq pairs * Once we count this up, try the request. * * If we can't get what we want, we'll simplify to nearly nothing * and try again. If that still fails, we punt. */ - pf->num_lan_msix = pf->num_lan_qps; + pf->num_lan_msix = pf->num_lan_qps - (pf->rss_size_max - pf->rss_size); pf->num_vmdq_msix = pf->num_vmdq_qps; v_budget = 1 + pf->num_lan_msix; v_budget += (pf->num_vmdq_vsis * pf->num_vmdq_msix); - if (pf->flags & I40E_FLAG_FDIR_ENABLED) + if (pf->flags & I40E_FLAG_FD_SB_ENABLED) v_budget++; /* Scale down if necessary, and the rings will share vectors */ @@ -5203,6 +6272,16 @@ static int i40e_init_msix(struct i40e_pf *pf) for (i = 0; i < v_budget; i++) pf->msix_entries[i].entry = i; vec = i40e_reserve_msix_vectors(pf, v_budget); + + if (vec != v_budget) { + /* If we have limited resources, we will start with no vectors + * for the special features and then allocate vectors to some + * of these features based on the policy and at the end disable + * the features that did not get any vectors. + */ + pf->num_vmdq_msix = 0; + } + if (vec < I40E_MIN_MSIX) { pf->flags &= ~I40E_FLAG_MSIX_ENABLED; kfree(pf->msix_entries); @@ -5211,27 +6290,25 @@ static int i40e_init_msix(struct i40e_pf *pf) } else if (vec == I40E_MIN_MSIX) { /* Adjust for minimal MSIX use */ - dev_info(&pf->pdev->dev, "Features disabled, not enough MSIX vectors\n"); - pf->flags &= ~I40E_FLAG_VMDQ_ENABLED; pf->num_vmdq_vsis = 0; pf->num_vmdq_qps = 0; - pf->num_vmdq_msix = 0; pf->num_lan_qps = 1; pf->num_lan_msix = 1; } else if (vec != v_budget) { + /* reserve the misc vector */ + vec--; + /* Scale vector usage down */ pf->num_vmdq_msix = 1; /* force VMDqs to only one vector */ - vec--; /* reserve the misc vector */ + pf->num_vmdq_vsis = 1; /* partition out the remaining vectors */ switch (vec) { case 2: - pf->num_vmdq_vsis = 1; pf->num_lan_msix = 1; break; case 3: - pf->num_vmdq_vsis = 1; pf->num_lan_msix = 2; break; default: @@ -5243,20 +6320,58 @@ static int i40e_init_msix(struct i40e_pf *pf) } } + if ((pf->flags & I40E_FLAG_VMDQ_ENABLED) && + (pf->num_vmdq_msix == 0)) { + dev_info(&pf->pdev->dev, "VMDq disabled, not enough MSI-X vectors\n"); + pf->flags &= ~I40E_FLAG_VMDQ_ENABLED; + } return err; } /** - * i40e_alloc_q_vectors - Allocate memory for interrupt vectors + * i40e_vsi_alloc_q_vector - Allocate memory for a single interrupt vector + * @vsi: the VSI being configured + * @v_idx: index of the vector in the vsi struct + * + * We allocate one q_vector. If allocation fails we return -ENOMEM. + **/ +static int i40e_vsi_alloc_q_vector(struct i40e_vsi *vsi, int v_idx) +{ + struct i40e_q_vector *q_vector; + + /* allocate q_vector */ + q_vector = kzalloc(sizeof(struct i40e_q_vector), GFP_KERNEL); + if (!q_vector) + return -ENOMEM; + + q_vector->vsi = vsi; + q_vector->v_idx = v_idx; + cpumask_set_cpu(v_idx, &q_vector->affinity_mask); + if (vsi->netdev) + netif_napi_add(vsi->netdev, &q_vector->napi, + i40e_napi_poll, NAPI_POLL_WEIGHT); + + q_vector->rx.latency_range = I40E_LOW_LATENCY; + q_vector->tx.latency_range = I40E_LOW_LATENCY; + + /* tie q_vector and vsi together */ + vsi->q_vectors[v_idx] = q_vector; + + return 0; +} + +/** + * i40e_vsi_alloc_q_vectors - Allocate memory for interrupt vectors * @vsi: the VSI being configured * * We allocate one q_vector per queue interrupt. If allocation fails we * return -ENOMEM. **/ -static int i40e_alloc_q_vectors(struct i40e_vsi *vsi) +static int i40e_vsi_alloc_q_vectors(struct i40e_vsi *vsi) { struct i40e_pf *pf = vsi->back; int v_idx, num_q_vectors; + int err; /* if not MSIX, give the one vector only to the LAN VSI */ if (pf->flags & I40E_FLAG_MSIX_ENABLED) @@ -5266,22 +6381,19 @@ static int i40e_alloc_q_vectors(struct i40e_vsi *vsi) else return -EINVAL; - vsi->q_vectors = kcalloc(num_q_vectors, - sizeof(struct i40e_q_vector), - GFP_KERNEL); - if (!vsi->q_vectors) - return -ENOMEM; - for (v_idx = 0; v_idx < num_q_vectors; v_idx++) { - vsi->q_vectors[v_idx].vsi = vsi; - vsi->q_vectors[v_idx].v_idx = v_idx; - cpumask_set_cpu(v_idx, &vsi->q_vectors[v_idx].affinity_mask); - if (vsi->netdev) - netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx].napi, - i40e_napi_poll, vsi->work_limit); + err = i40e_vsi_alloc_q_vector(vsi, v_idx); + if (err) + goto err_out; } return 0; + +err_out: + while (v_idx--) + i40e_free_q_vector(vsi, v_idx); + + return err; } /** @@ -5295,13 +6407,13 @@ static void i40e_init_interrupt_scheme(struct i40e_pf *pf) if (pf->flags & I40E_FLAG_MSIX_ENABLED) { err = i40e_init_msix(pf); if (err) { - pf->flags &= ~(I40E_FLAG_RSS_ENABLED | - I40E_FLAG_MQ_ENABLED | - I40E_FLAG_DCB_ENABLED | - I40E_FLAG_SRIOV_ENABLED | - I40E_FLAG_FDIR_ENABLED | - I40E_FLAG_FDIR_ATR_ENABLED | - I40E_FLAG_VMDQ_ENABLED); + pf->flags &= ~(I40E_FLAG_MSIX_ENABLED | + I40E_FLAG_RSS_ENABLED | + I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_SRIOV_ENABLED | + I40E_FLAG_FD_SB_ENABLED | + I40E_FLAG_FD_ATR_ENABLED | + I40E_FLAG_VMDQ_ENABLED); /* rework the queue expectations without MSIX */ i40e_determine_queue_usage(pf); @@ -5310,14 +6422,17 @@ static void i40e_init_interrupt_scheme(struct i40e_pf *pf) if (!(pf->flags & I40E_FLAG_MSIX_ENABLED) && (pf->flags & I40E_FLAG_MSI_ENABLED)) { + dev_info(&pf->pdev->dev, "MSI-X not available, trying MSI\n"); err = pci_enable_msi(pf->pdev); if (err) { - dev_info(&pf->pdev->dev, - "MSI init failed (%d), trying legacy.\n", err); + dev_info(&pf->pdev->dev, "MSI init failed - %d\n", err); pf->flags &= ~I40E_FLAG_MSI_ENABLED; } } + if (!(pf->flags & (I40E_FLAG_MSIX_ENABLED | I40E_FLAG_MSI_ENABLED))) + dev_info(&pf->pdev->dev, "MSI-X and MSI not available, falling back to Legacy IRQ\n"); + /* track first vector for misc interrupts */ err = i40e_get_lump(pf, pf->irq_pile, 1, I40E_PILE_VALID_BIT-1); } @@ -5343,7 +6458,8 @@ static int i40e_setup_misc_vector(struct i40e_pf *pf) i40e_intr, 0, pf->misc_int_name, pf); if (err) { dev_info(&pf->pdev->dev, - "request_irq for msix_misc failed: %d\n", err); + "request_irq for %s failed: %d\n", + pf->misc_int_name, err); return -EFAULT; } } @@ -5367,15 +6483,15 @@ static int i40e_setup_misc_vector(struct i40e_pf *pf) **/ static int i40e_config_rss(struct i40e_pf *pf) { - struct i40e_hw *hw = &pf->hw; - u32 lut = 0; - int i, j; - u64 hena; /* Set of random keys generated using kernel random number generator */ static const u32 seed[I40E_PFQF_HKEY_MAX_INDEX + 1] = {0x41b01687, 0x183cfd8c, 0xce880440, 0x580cbc3c, 0x35897377, 0x328b25e1, 0x4fa98922, 0xb7d90c14, 0xd5bad70d, 0xcd15a2c1, 0xe8580225, 0x4a1e9d11, 0xfe5731be}; + struct i40e_hw *hw = &pf->hw; + u32 lut = 0; + int i, j; + u64 hena; /* Fill out hash function seed */ for (i = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) @@ -5384,16 +6500,7 @@ static int i40e_config_rss(struct i40e_pf *pf) /* By default we enable TCP/UDP with IPv4/IPv6 ptypes */ hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); - hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) | - ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)| - ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6); + hena |= I40E_DEFAULT_RSS_HENA; wr32(hw, I40E_PFQF_HENA(0), (u32)hena); wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); @@ -5422,6 +6529,33 @@ static int i40e_config_rss(struct i40e_pf *pf) } /** + * i40e_reconfig_rss_queues - change number of queues for rss and rebuild + * @pf: board private structure + * @queue_count: the requested queue count for rss. + * + * returns 0 if rss is not enabled, if enabled returns the final rss queue + * count which may be different from the requested queue count. + **/ +int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count) +{ + if (!(pf->flags & I40E_FLAG_RSS_ENABLED)) + return 0; + + queue_count = min_t(int, queue_count, pf->rss_size_max); + + if (queue_count != pf->rss_size) { + i40e_prep_for_reset(pf); + + pf->rss_size = queue_count; + + i40e_reset_and_rebuild(pf, true); + i40e_config_rss(pf); + } + dev_info(&pf->pdev->dev, "RSS count: %d\n", pf->rss_size); + return pf->rss_size; +} + +/** * i40e_sw_init - Initialize general software structures (struct i40e_pf) * @pf: board private structure to initialize * @@ -5436,6 +6570,7 @@ static int i40e_sw_init(struct i40e_pf *pf) pf->msg_enable = netif_msg_init(I40E_DEFAULT_MSG_ENABLE, (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)); + pf->hw.debug_mask = pf->msg_enable | I40E_DEBUG_DIAG; if (debug != -1 && debug != I40E_DEFAULT_MSG_ENABLE) { if (I40E_DEBUG_USER & debug) pf->hw.debug_mask = debug; @@ -5447,39 +6582,50 @@ static int i40e_sw_init(struct i40e_pf *pf) pf->flags = I40E_FLAG_RX_CSUM_ENABLED | I40E_FLAG_MSI_ENABLED | I40E_FLAG_MSIX_ENABLED | - I40E_FLAG_RX_PS_ENABLED | - I40E_FLAG_MQ_ENABLED | I40E_FLAG_RX_1BUF_ENABLED; + /* Set default ITR */ + pf->rx_itr_default = I40E_ITR_DYNAMIC | I40E_ITR_RX_DEF; + pf->tx_itr_default = I40E_ITR_DYNAMIC | I40E_ITR_TX_DEF; + + /* Depending on PF configurations, it is possible that the RSS + * maximum might end up larger than the available queues + */ pf->rss_size_max = 0x1 << pf->hw.func_caps.rss_table_entry_width; + pf->rss_size_max = min_t(int, pf->rss_size_max, + pf->hw.func_caps.num_tx_qp); if (pf->hw.func_caps.rss) { pf->flags |= I40E_FLAG_RSS_ENABLED; - pf->rss_size = min_t(int, pf->rss_size_max, - nr_cpus_node(numa_node_id())); + pf->rss_size = min_t(int, pf->rss_size_max, num_online_cpus()); } else { pf->rss_size = 1; } - if (pf->hw.func_caps.dcb) - pf->num_tc_qps = I40E_DEFAULT_QUEUES_PER_TC; - else - pf->num_tc_qps = 0; + /* MFP mode enabled */ + if (pf->hw.func_caps.npar_enable || pf->hw.func_caps.mfp_mode_1) { + pf->flags |= I40E_FLAG_MFP_ENABLED; + dev_info(&pf->pdev->dev, "MFP mode Enabled\n"); + } - if (pf->hw.func_caps.fd) { - /* FW/NVM is not yet fixed in this regard */ - if ((pf->hw.func_caps.fd_filters_guaranteed > 0) || - (pf->hw.func_caps.fd_filters_best_effort > 0)) { - pf->flags |= I40E_FLAG_FDIR_ATR_ENABLED; - dev_info(&pf->pdev->dev, - "Flow Director ATR mode Enabled\n"); - pf->flags |= I40E_FLAG_FDIR_ENABLED; + /* FW/NVM is not yet fixed in this regard */ + if ((pf->hw.func_caps.fd_filters_guaranteed > 0) || + (pf->hw.func_caps.fd_filters_best_effort > 0)) { + pf->flags |= I40E_FLAG_FD_ATR_ENABLED; + pf->atr_sample_rate = I40E_DEFAULT_ATR_SAMPLE_RATE; + /* Setup a counter for fd_atr per pf */ + pf->fd_atr_cnt_idx = I40E_FD_ATR_STAT_IDX(pf->hw.pf_id); + if (!(pf->flags & I40E_FLAG_MFP_ENABLED)) { + pf->flags |= I40E_FLAG_FD_SB_ENABLED; + /* Setup a counter for fd_sb per pf */ + pf->fd_sb_cnt_idx = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); + } else { dev_info(&pf->pdev->dev, - "Flow Director Side Band mode Enabled\n"); - pf->fdir_pf_filter_count = - pf->hw.func_caps.fd_filters_guaranteed; + "Flow Director Sideband mode Disabled in MFP mode\n"); } - } else { - pf->fdir_pf_filter_count = 0; + pf->fdir_pf_filter_count = + pf->hw.func_caps.fd_filters_guaranteed; + pf->hw.fdir_shared_filter_count = + pf->hw.func_caps.fd_filters_best_effort; } if (pf->hw.func_caps.vmdq) { @@ -5488,12 +6634,6 @@ static int i40e_sw_init(struct i40e_pf *pf) pf->num_vmdq_qps = I40E_DEFAULT_QUEUES_PER_VMDQ; } - /* MFP mode enabled */ - if (pf->hw.func_caps.npar_enable || pf->hw.func_caps.mfp_mode_1) { - pf->flags |= I40E_FLAG_MFP_ENABLED; - dev_info(&pf->pdev->dev, "MFP mode Enabled\n"); - } - #ifdef CONFIG_PCI_IOV if (pf->hw.func_caps.num_vfs) { pf->num_vf_qps = I40E_DEFAULT_QUEUES_PER_VF; @@ -5537,6 +6677,39 @@ sw_init_done: } /** + * i40e_set_ntuple - set the ntuple feature flag and take action + * @pf: board private structure to initialize + * @features: the feature set that the stack is suggesting + * + * returns a bool to indicate if reset needs to happen + **/ +bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features) +{ + bool need_reset = false; + + /* Check if Flow Director n-tuple support was enabled or disabled. If + * the state changed, we need to reset. + */ + if (features & NETIF_F_NTUPLE) { + /* Enable filters and mark for reset */ + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) + need_reset = true; + pf->flags |= I40E_FLAG_FD_SB_ENABLED; + } else { + /* turn off filters, mark for reset and clear SW filter list */ + if (pf->flags & I40E_FLAG_FD_SB_ENABLED) { + need_reset = true; + i40e_fdir_filter_exit(pf); + } + pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; + /* if ATR was disabled it can be re-enabled. */ + if (!(pf->flags & I40E_FLAG_FD_ATR_ENABLED)) + pf->flags |= I40E_FLAG_FD_ATR_ENABLED; + } + return need_reset; +} + +/** * i40e_set_features - set the netdev feature flags * @netdev: ptr to the netdev being adjusted * @features: the feature set that the stack is suggesting @@ -5546,15 +6719,210 @@ static int i40e_set_features(struct net_device *netdev, { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + bool need_reset; if (features & NETIF_F_HW_VLAN_CTAG_RX) i40e_vlan_stripping_enable(vsi); else i40e_vlan_stripping_disable(vsi); + need_reset = i40e_set_ntuple(pf, features); + + if (need_reset) + i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); + return 0; } +#ifdef CONFIG_I40E_VXLAN +/** + * i40e_get_vxlan_port_idx - Lookup a possibly offloaded for Rx UDP port + * @pf: board private structure + * @port: The UDP port to look up + * + * Returns the index number or I40E_MAX_PF_UDP_OFFLOAD_PORTS if port not found + **/ +static u8 i40e_get_vxlan_port_idx(struct i40e_pf *pf, __be16 port) +{ + u8 i; + + for (i = 0; i < I40E_MAX_PF_UDP_OFFLOAD_PORTS; i++) { + if (pf->vxlan_ports[i] == port) + return i; + } + + return i; +} + +/** + * i40e_add_vxlan_port - Get notifications about VXLAN ports that come up + * @netdev: This physical port's netdev + * @sa_family: Socket Family that VXLAN is notifying us about + * @port: New UDP port number that VXLAN started listening to + **/ +static void i40e_add_vxlan_port(struct net_device *netdev, + sa_family_t sa_family, __be16 port) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + u8 next_idx; + u8 idx; + + if (sa_family == AF_INET6) + return; + + idx = i40e_get_vxlan_port_idx(pf, port); + + /* Check if port already exists */ + if (idx < I40E_MAX_PF_UDP_OFFLOAD_PORTS) { + netdev_info(netdev, "Port %d already offloaded\n", ntohs(port)); + return; + } + + /* Now check if there is space to add the new port */ + next_idx = i40e_get_vxlan_port_idx(pf, 0); + + if (next_idx == I40E_MAX_PF_UDP_OFFLOAD_PORTS) { + netdev_info(netdev, "Maximum number of UDP ports reached, not adding port %d\n", + ntohs(port)); + return; + } + + /* New port: add it and mark its index in the bitmap */ + pf->vxlan_ports[next_idx] = port; + pf->pending_vxlan_bitmap |= (1 << next_idx); + + pf->flags |= I40E_FLAG_VXLAN_FILTER_SYNC; +} + +/** + * i40e_del_vxlan_port - Get notifications about VXLAN ports that go away + * @netdev: This physical port's netdev + * @sa_family: Socket Family that VXLAN is notifying us about + * @port: UDP port number that VXLAN stopped listening to + **/ +static void i40e_del_vxlan_port(struct net_device *netdev, + sa_family_t sa_family, __be16 port) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + u8 idx; + + if (sa_family == AF_INET6) + return; + + idx = i40e_get_vxlan_port_idx(pf, port); + + /* Check if port already exists */ + if (idx < I40E_MAX_PF_UDP_OFFLOAD_PORTS) { + /* if port exists, set it to 0 (mark for deletion) + * and make it pending + */ + pf->vxlan_ports[idx] = 0; + + pf->pending_vxlan_bitmap |= (1 << idx); + + pf->flags |= I40E_FLAG_VXLAN_FILTER_SYNC; + } else { + netdev_warn(netdev, "Port %d was not found, not deleting\n", + ntohs(port)); + } +} + +#endif +#ifdef HAVE_FDB_OPS +#ifdef USE_CONST_DEV_UC_CHAR +static int i40e_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 flags) +#else +static int i40e_ndo_fdb_add(struct ndmsg *ndm, + struct net_device *dev, + unsigned char *addr, + u16 flags) +#endif +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_pf *pf = np->vsi->back; + int err = 0; + + if (!(pf->flags & I40E_FLAG_SRIOV_ENABLED)) + return -EOPNOTSUPP; + + /* Hardware does not support aging addresses so if a + * ndm_state is given only allow permanent addresses + */ + if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { + netdev_info(dev, "FDB only supports static addresses\n"); + return -EINVAL; + } + + if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) + err = dev_uc_add_excl(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_add_excl(dev, addr); + else + err = -EINVAL; + + /* Only return duplicate errors if NLM_F_EXCL is set */ + if (err == -EEXIST && !(flags & NLM_F_EXCL)) + err = 0; + + return err; +} + +#ifndef USE_DEFAULT_FDB_DEL_DUMP +#ifdef USE_CONST_DEV_UC_CHAR +static int i40e_ndo_fdb_del(struct ndmsg *ndm, + struct net_device *dev, + const unsigned char *addr) +#else +static int i40e_ndo_fdb_del(struct ndmsg *ndm, + struct net_device *dev, + unsigned char *addr) +#endif +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_pf *pf = np->vsi->back; + int err = -EOPNOTSUPP; + + if (ndm->ndm_state & NUD_PERMANENT) { + netdev_info(dev, "FDB only supports static addresses\n"); + return -EINVAL; + } + + if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { + if (is_unicast_ether_addr(addr)) + err = dev_uc_del(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_del(dev, addr); + else + err = -EINVAL; + } + + return err; +} + +static int i40e_ndo_fdb_dump(struct sk_buff *skb, + struct netlink_callback *cb, + struct net_device *dev, + int idx) +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_pf *pf = np->vsi->back; + + if (pf->flags & I40E_FLAG_SRIOV_ENABLED) + idx = ndo_dflt_fdb_dump(skb, cb, dev, idx); + + return idx; +} + +#endif /* USE_DEFAULT_FDB_DEL_DUMP */ +#endif /* HAVE_FDB_OPS */ static const struct net_device_ops i40e_netdev_ops = { .ndo_open = i40e_open, .ndo_stop = i40e_close, @@ -5564,6 +6932,7 @@ static const struct net_device_ops i40e_netdev_ops = { .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = i40e_set_mac, .ndo_change_mtu = i40e_change_mtu, + .ndo_do_ioctl = i40e_ioctl, .ndo_tx_timeout = i40e_tx_timeout, .ndo_vlan_rx_add_vid = i40e_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = i40e_vlan_rx_kill_vid, @@ -5574,8 +6943,21 @@ static const struct net_device_ops i40e_netdev_ops = { .ndo_set_features = i40e_set_features, .ndo_set_vf_mac = i40e_ndo_set_vf_mac, .ndo_set_vf_vlan = i40e_ndo_set_vf_port_vlan, - .ndo_set_vf_tx_rate = i40e_ndo_set_vf_bw, + .ndo_set_vf_rate = i40e_ndo_set_vf_bw, .ndo_get_vf_config = i40e_ndo_get_vf_config, + .ndo_set_vf_link_state = i40e_ndo_set_vf_link_state, + .ndo_set_vf_spoofchk = i40e_ndo_set_vf_spoofck, +#ifdef CONFIG_I40E_VXLAN + .ndo_add_vxlan_port = i40e_add_vxlan_port, + .ndo_del_vxlan_port = i40e_del_vxlan_port, +#endif +#ifdef HAVE_FDB_OPS + .ndo_fdb_add = i40e_ndo_fdb_add, +#ifndef USE_DEFAULT_FDB_DEL_DUMP + .ndo_fdb_del = i40e_ndo_fdb_del, + .ndo_fdb_dump = i40e_ndo_fdb_dump, +#endif +#endif }; /** @@ -5586,6 +6968,7 @@ static const struct net_device_ops i40e_netdev_ops = { **/ static int i40e_config_netdev(struct i40e_vsi *vsi) { + u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; struct i40e_netdev_priv *np; @@ -5602,10 +6985,9 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) np = netdev_priv(netdev); np->vsi = vsi; - netdev->hw_enc_features = NETIF_F_IP_CSUM | + netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_GSO_UDP_TUNNEL | - NETIF_F_TSO | - NETIF_F_SG; + NETIF_F_TSO; netdev->features = NETIF_F_SG | NETIF_F_IP_CSUM | @@ -5617,17 +6999,29 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_IPV6_CSUM | NETIF_F_TSO | + NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_RXCSUM | NETIF_F_RXHASH | 0; + if (!(pf->flags & I40E_FLAG_MFP_ENABLED)) + netdev->features |= NETIF_F_NTUPLE; + /* copy netdev features into list of user selectable features */ netdev->hw_features |= netdev->features; if (vsi->type == I40E_VSI_MAIN) { SET_NETDEV_DEV(netdev, &pf->pdev->dev); - memcpy(mac_addr, hw->mac.perm_addr, ETH_ALEN); + ether_addr_copy(mac_addr, hw->mac.perm_addr); + /* The following two steps are necessary to prevent reception + * of tagged packets - by default the NVM loads a MAC-VLAN + * filter that will accept any tagged packet. This is to + * prevent that during normal operations until a specific + * VLAN tag filter has been set. + */ + i40e_rm_default_mac_filter(vsi, mac_addr); + i40e_add_filter(vsi, mac_addr, I40E_VLAN_ANY, false, true); } else { /* relate the VSI_VMDQ name to the VSI_MAIN name */ snprintf(netdev->name, IFNAMSIZ, "%sv%%d", @@ -5635,9 +7029,10 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) random_ether_addr(mac_addr); i40e_add_filter(vsi, mac_addr, I40E_VLAN_ANY, false, false); } + i40e_add_filter(vsi, brdcast, I40E_VLAN_ANY, false, false); - memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); - memcpy(netdev->perm_addr, mac_addr, ETH_ALEN); + ether_addr_copy(netdev->dev_addr, mac_addr); + ether_addr_copy(netdev->perm_addr, mac_addr); /* vlan gets same features (except vlan offload) * after any tweaks for specific VSI types */ @@ -5668,12 +7063,7 @@ static void i40e_vsi_delete(struct i40e_vsi *vsi) if (vsi == vsi->back->vsi[vsi->back->lan_vsi]) return; - /* there is no HW VSI for FDIR */ - if (vsi->type == I40E_VSI_FDIR) - return; - i40e_aq_delete_element(&vsi->back->hw, vsi->seid, NULL); - return; } /** @@ -5755,12 +7145,12 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) break; case I40E_VSI_FDIR: - /* no queue mapping or actual HW VSI needed */ - vsi->info.valid_sections = 0; - vsi->seid = 0; - vsi->id = 0; + ctxt.pf_num = hw->pf_id; + ctxt.vf_num = 0; + ctxt.uplink_seid = vsi->uplink_seid; + ctxt.connection_type = 0x1; /* regular data port */ + ctxt.flags = I40E_AQ_VSI_TYPE_PF; i40e_vsi_setup_queue_map(vsi, &ctxt, enabled_tc, true); - return 0; break; case I40E_VSI_VMDQ2: @@ -5799,6 +7189,13 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) ctxt.info.valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID); ctxt.info.port_vlan_flags |= I40E_AQ_VSI_PVLAN_MODE_ALL; + if (pf->vf[vsi->vf_id].spoofchk) { + ctxt.info.valid_sections |= + cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); + ctxt.info.sec_flags |= + (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK | + I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK); + } /* Setup the VSI tx/rx queue map for TC0 only for now */ i40e_vsi_setup_queue_map(vsi, &ctxt, enabled_tc, true); break; @@ -5881,15 +7278,9 @@ int i40e_vsi_release(struct i40e_vsi *vsi) if (vsi->netdev) { /* results in a call to i40e_close() */ unregister_netdev(vsi->netdev); - free_netdev(vsi->netdev); - vsi->netdev = NULL; } } else { - if (!test_and_set_bit(__I40E_DOWN, &vsi->state)) - i40e_down(vsi); - i40e_vsi_free_irq(vsi); - i40e_vsi_free_tx_resources(vsi); - i40e_vsi_free_rx_resources(vsi); + i40e_vsi_close(vsi); } i40e_vsi_disable_irq(vsi); } @@ -5901,6 +7292,10 @@ int i40e_vsi_release(struct i40e_vsi *vsi) i40e_vsi_delete(vsi); i40e_vsi_free_q_vectors(vsi); + if (vsi->netdev) { + free_netdev(vsi->netdev); + vsi->netdev = NULL; + } i40e_vsi_clear_rings(vsi); i40e_vsi_clear(vsi); @@ -5912,7 +7307,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi) * the orphan VEBs yet. We'll wait for an explicit remove request * from up the network stack. */ - for (n = 0, i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (n = 0, i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->uplink_seid == uplink_seid && (pf->vsi[i]->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) { @@ -5948,20 +7343,19 @@ static int i40e_vsi_setup_vectors(struct i40e_vsi *vsi) int ret = -ENOENT; struct i40e_pf *pf = vsi->back; - if (vsi->q_vectors) { + if (vsi->q_vectors[0]) { dev_info(&pf->pdev->dev, "VSI %d has existing q_vectors\n", vsi->seid); return -EEXIST; } if (vsi->base_vector) { - dev_info(&pf->pdev->dev, - "VSI %d has non-zero base vector %d\n", + dev_info(&pf->pdev->dev, "VSI %d has non-zero base vector %d\n", vsi->seid, vsi->base_vector); return -EEXIST; } - ret = i40e_alloc_q_vectors(vsi); + ret = i40e_vsi_alloc_q_vectors(vsi); if (ret) { dev_info(&pf->pdev->dev, "failed to allocate %d q_vector for VSI %d, ret=%d\n", @@ -5970,11 +7364,12 @@ static int i40e_vsi_setup_vectors(struct i40e_vsi *vsi) goto vector_setup_out; } - vsi->base_vector = i40e_get_lump(pf, pf->irq_pile, - vsi->num_q_vectors, vsi->idx); + if (vsi->num_q_vectors) + vsi->base_vector = i40e_get_lump(pf, pf->irq_pile, + vsi->num_q_vectors, vsi->idx); if (vsi->base_vector < 0) { dev_info(&pf->pdev->dev, - "failed to get q tracking for VSI %d, err=%d\n", + "failed to get queue tracking for VSI %d, err=%d\n", vsi->seid, vsi->base_vector); i40e_vsi_free_q_vectors(vsi); ret = -ENOENT; @@ -5986,6 +7381,69 @@ vector_setup_out: } /** + * i40e_vsi_reinit_setup - return and reallocate resources for a VSI + * @vsi: pointer to the vsi. + * + * This re-allocates a vsi's queue resources. + * + * Returns pointer to the successfully allocated and configured VSI sw struct + * on success, otherwise returns NULL on failure. + **/ +static struct i40e_vsi *i40e_vsi_reinit_setup(struct i40e_vsi *vsi) +{ + struct i40e_pf *pf = vsi->back; + u8 enabled_tc; + int ret; + + i40e_put_lump(pf->qp_pile, vsi->base_queue, vsi->idx); + i40e_vsi_clear_rings(vsi); + + i40e_vsi_free_arrays(vsi, false); + i40e_set_num_rings_in_vsi(vsi); + ret = i40e_vsi_alloc_arrays(vsi, false); + if (ret) + goto err_vsi; + + ret = i40e_get_lump(pf, pf->qp_pile, vsi->alloc_queue_pairs, vsi->idx); + if (ret < 0) { + dev_info(&pf->pdev->dev, "VSI %d get_lump failed %d\n", + vsi->seid, ret); + goto err_vsi; + } + vsi->base_queue = ret; + + /* Update the FW view of the VSI. Force a reset of TC and queue + * layout configurations. + */ + enabled_tc = pf->vsi[pf->lan_vsi]->tc_config.enabled_tc; + pf->vsi[pf->lan_vsi]->tc_config.enabled_tc = 0; + pf->vsi[pf->lan_vsi]->seid = pf->main_vsi_seid; + i40e_vsi_config_tc(pf->vsi[pf->lan_vsi], enabled_tc); + + /* assign it some queues */ + ret = i40e_alloc_rings(vsi); + if (ret) + goto err_rings; + + /* map all of the rings to the q_vectors */ + i40e_vsi_map_rings_to_vectors(vsi); + return vsi; + +err_rings: + i40e_vsi_free_q_vectors(vsi); + if (vsi->netdev_registered) { + vsi->netdev_registered = false; + unregister_netdev(vsi->netdev); + free_netdev(vsi->netdev); + vsi->netdev = NULL; + } + i40e_aq_delete_element(&pf->hw, vsi->seid, NULL); +err_vsi: + i40e_vsi_clear(vsi); + return NULL; +} + +/** * i40e_vsi_setup - Set up a VSI by a given type * @pf: board private structure * @type: VSI type @@ -6028,7 +7486,7 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, if (!veb && uplink_seid != pf->mac_seid) { - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->seid == uplink_seid) { vsi = pf->vsi[i]; break; @@ -6065,6 +7523,8 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, if (v_idx < 0) goto err_alloc; vsi = pf->vsi[v_idx]; + if (!vsi) + goto err_alloc; vsi->type = type; vsi->veb_idx = (veb ? veb->idx : I40E_NO_VEB); @@ -6073,7 +7533,8 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, else if (type == I40E_VSI_SRIOV) vsi->vf_id = param1; /* assign it some queues */ - ret = i40e_get_lump(pf, pf->qp_pile, vsi->alloc_queue_pairs, vsi->idx); + ret = i40e_get_lump(pf, pf->qp_pile, vsi->alloc_queue_pairs, + vsi->idx); if (ret < 0) { dev_info(&pf->pdev->dev, "VSI %d get_lump failed %d\n", vsi->seid, ret); @@ -6099,6 +7560,10 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, goto err_netdev; vsi->netdev_registered = true; netif_carrier_off(vsi->netdev); +#ifdef CONFIG_I40E_DCB + /* Setup DCB netlink interface */ + i40e_dcbnl_setup(vsi); +#endif /* CONFIG_I40E_DCB */ /* fall through */ case I40E_VSI_FDIR: @@ -6264,7 +7729,7 @@ static void i40e_switch_branch_release(struct i40e_veb *branch) * NOTE: Removing the last VSI on a VEB has the SIDE EFFECT of removing * the VEB itself, so don't use (*branch) after this loop. */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (!pf->vsi[i]) continue; if (pf->vsi[i]->uplink_seid == branch_seid && @@ -6316,7 +7781,7 @@ void i40e_veb_release(struct i40e_veb *veb) pf = veb->pf; /* find the remaining VSI and check for extras */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->uplink_seid == veb->seid) { n++; vsi = pf->vsi[i]; @@ -6345,8 +7810,6 @@ void i40e_veb_release(struct i40e_veb *veb) i40e_aq_delete_element(&pf->hw, veb->seid, NULL); i40e_veb_clear(veb); - - return; } /** @@ -6356,12 +7819,14 @@ void i40e_veb_release(struct i40e_veb *veb) **/ static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi) { - bool is_default = (vsi->idx == vsi->back->lan_vsi); + bool is_default = false; + bool is_cloud = false; int ret; /* get a VEB from the hardware */ ret = i40e_aq_add_veb(&veb->pf->hw, veb->uplink_seid, vsi->seid, - veb->enabled_tc, is_default, &veb->seid, NULL); + veb->enabled_tc, is_default, + is_cloud, &veb->seid, NULL); if (ret) { dev_info(&veb->pf->pdev->dev, "couldn't add VEB, err %d, aq_err %d\n", @@ -6428,10 +7893,10 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, } /* make sure there is such a vsi and uplink */ - for (vsi_idx = 0; vsi_idx < pf->hw.func_caps.num_vsis; vsi_idx++) + for (vsi_idx = 0; vsi_idx < pf->num_alloc_vsi; vsi_idx++) if (pf->vsi[vsi_idx] && pf->vsi[vsi_idx]->seid == vsi_seid) break; - if (vsi_idx >= pf->hw.func_caps.num_vsis && vsi_seid != 0) { + if (vsi_idx >= pf->num_alloc_vsi && vsi_seid != 0) { dev_info(&pf->pdev->dev, "vsi seid %d not found\n", vsi_seid); return NULL; @@ -6466,6 +7931,8 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, ret = i40e_add_veb(veb, pf->vsi[vsi_idx]); if (ret) goto err_veb; + if (vsi_idx == pf->lan_vsi) + pf->lan_veb = veb->idx; return veb; @@ -6601,15 +8068,6 @@ int i40e_fetch_switch_configuration(struct i40e_pf *pf, bool printconfig) "header: %d reported %d total\n", num_reported, num_total); - if (num_reported) { - int sz = sizeof(*sw_config) * num_reported; - - kfree(pf->sw_config); - pf->sw_config = kzalloc(sz, GFP_KERNEL); - if (pf->sw_config) - memcpy(pf->sw_config, sw_config, sz); - } - for (i = 0; i < num_reported; i++) { struct i40e_aqc_switch_config_element_resp *ele = &sw_config->element[i]; @@ -6626,11 +8084,13 @@ int i40e_fetch_switch_configuration(struct i40e_pf *pf, bool printconfig) /** * i40e_setup_pf_switch - Setup the HW switch on startup or after reset * @pf: board private structure + * @reinit: if the Main VSI needs to re-initialized. * * Returns 0 on success, negative value on failure **/ -static int i40e_setup_pf_switch(struct i40e_pf *pf) +static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit) { + u32 rxfc = 0, txfc = 0, rxfc_reg; int ret; /* find out what's out there already */ @@ -6643,14 +8103,8 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf) } i40e_pf_reset_stats(pf); - /* fdir VSI must happen first to be sure it gets queue 0, but only - * if there is enough room for the fdir VSI - */ - if (pf->num_lan_qps > 1) - i40e_fdir_setup(pf); - /* first time setup */ - if (pf->lan_vsi == I40E_NO_VSI) { + if (pf->lan_vsi == I40E_NO_VSI || reinit) { struct i40e_vsi *vsi = NULL; u16 uplink_seid; @@ -6661,19 +8115,15 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf) uplink_seid = pf->veb[pf->lan_veb]->seid; else uplink_seid = pf->mac_seid; - - vsi = i40e_vsi_setup(pf, I40E_VSI_MAIN, uplink_seid, 0); + if (pf->lan_vsi == I40E_NO_VSI) + vsi = i40e_vsi_setup(pf, I40E_VSI_MAIN, uplink_seid, 0); + else if (reinit) + vsi = i40e_vsi_reinit_setup(pf->vsi[pf->lan_vsi]); if (!vsi) { dev_info(&pf->pdev->dev, "setup of MAIN VSI failed\n"); i40e_fdir_teardown(pf); return -EAGAIN; } - /* accommodate kcompat by copying the main VSI queue count - * into the pf, since this newer code pushes the pf queue - * info down a level into a VSI - */ - pf->num_rx_queues = vsi->alloc_queue_pairs; - pf->num_tx_queues = vsi->alloc_queue_pairs; } else { /* force a reset of TC and queue layout configurations */ u8 enabled_tc = pf->vsi[pf->lan_vsi]->tc_config.enabled_tc; @@ -6683,6 +8133,8 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf) } i40e_vlan_stripping_disable(pf->vsi[pf->lan_vsi]); + i40e_fdir_sb_setup(pf); + /* Setup static PF queue filter control settings */ ret = i40e_setup_pf_filter_control(pf); if (ret) { @@ -6701,37 +8153,68 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf) i40e_aq_get_link_info(&pf->hw, true, NULL, NULL); i40e_link_event(pf); - /* Initialize user-specifics link properties */ + /* Initialize user-specific link properties */ pf->fc_autoneg_status = ((pf->hw.phy.link_info.an_info & I40E_AQ_AN_COMPLETED) ? true : false); - pf->hw.fc.requested_mode = I40E_FC_DEFAULT; - if (pf->hw.phy.link_info.an_info & - (I40E_AQ_LINK_PAUSE_TX | I40E_AQ_LINK_PAUSE_RX)) + /* requested_mode is set in probe or by ethtool */ + if (!pf->fc_autoneg_status) + goto no_autoneg; + + if ((pf->hw.phy.link_info.an_info & I40E_AQ_LINK_PAUSE_TX) && + (pf->hw.phy.link_info.an_info & I40E_AQ_LINK_PAUSE_RX)) pf->hw.fc.current_mode = I40E_FC_FULL; else if (pf->hw.phy.link_info.an_info & I40E_AQ_LINK_PAUSE_TX) pf->hw.fc.current_mode = I40E_FC_TX_PAUSE; else if (pf->hw.phy.link_info.an_info & I40E_AQ_LINK_PAUSE_RX) pf->hw.fc.current_mode = I40E_FC_RX_PAUSE; else - pf->hw.fc.current_mode = I40E_FC_DEFAULT; + pf->hw.fc.current_mode = I40E_FC_NONE; - return ret; -} + /* sync the flow control settings with the auto-neg values */ + switch (pf->hw.fc.current_mode) { + case I40E_FC_FULL: + txfc = 1; + rxfc = 1; + break; + case I40E_FC_TX_PAUSE: + txfc = 1; + rxfc = 0; + break; + case I40E_FC_RX_PAUSE: + txfc = 0; + rxfc = 1; + break; + case I40E_FC_NONE: + case I40E_FC_DEFAULT: + txfc = 0; + rxfc = 0; + break; + case I40E_FC_PFC: + /* TBD */ + break; + /* no default case, we have to handle all possibilities here */ + } -/** - * i40e_set_rss_size - helper to set rss_size - * @pf: board private structure - * @queues_left: how many queues - */ -static u16 i40e_set_rss_size(struct i40e_pf *pf, int queues_left) -{ - int num_tc0; + wr32(&pf->hw, I40E_PRTDCB_FCCFG, txfc << I40E_PRTDCB_FCCFG_TFCE_SHIFT); + + rxfc_reg = rd32(&pf->hw, I40E_PRTDCB_MFLCN) & + ~I40E_PRTDCB_MFLCN_RFCE_MASK; + rxfc_reg |= (rxfc << I40E_PRTDCB_MFLCN_RFCE_SHIFT); + + wr32(&pf->hw, I40E_PRTDCB_MFLCN, rxfc_reg); - num_tc0 = min_t(int, queues_left, pf->rss_size_max); - num_tc0 = min_t(int, num_tc0, nr_cpus_node(numa_node_id())); - num_tc0 = rounddown_pow_of_two(num_tc0); + goto fc_complete; - return num_tc0; +no_autoneg: + /* disable L2 flow control, user can turn it on if they wish */ + wr32(&pf->hw, I40E_PRTDCB_FCCFG, 0); + wr32(&pf->hw, I40E_PRTDCB_MFLCN, rd32(&pf->hw, I40E_PRTDCB_MFLCN) & + ~I40E_PRTDCB_MFLCN_RFCE_MASK); + +fc_complete: + i40e_ptp_init(pf); + + return ret; } /** @@ -6740,12 +8223,9 @@ static u16 i40e_set_rss_size(struct i40e_pf *pf, int queues_left) **/ static void i40e_determine_queue_usage(struct i40e_pf *pf) { - int accum_tc_size; int queues_left; pf->num_lan_qps = 0; - pf->num_tc_qps = rounddown_pow_of_two(pf->num_tc_qps); - accum_tc_size = (I40E_MAX_TRAFFIC_CLASS - 1) * pf->num_tc_qps; /* Find the max queues to be put into basic use. We'll always be * using TC0, whether or not DCB is running, and TC0 will get the @@ -6753,99 +8233,56 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) */ queues_left = pf->hw.func_caps.num_tx_qp; - if (!((pf->flags & I40E_FLAG_MSIX_ENABLED) && - (pf->flags & I40E_FLAG_MQ_ENABLED)) || - !(pf->flags & (I40E_FLAG_RSS_ENABLED | - I40E_FLAG_FDIR_ENABLED | I40E_FLAG_DCB_ENABLED)) || - (queues_left == 1)) { - + if ((queues_left == 1) || + !(pf->flags & I40E_FLAG_MSIX_ENABLED)) { /* one qp for PF, no queues for anything else */ queues_left = 0; pf->rss_size = pf->num_lan_qps = 1; /* make sure all the fancies are disabled */ - pf->flags &= ~(I40E_FLAG_RSS_ENABLED | - I40E_FLAG_MQ_ENABLED | - I40E_FLAG_FDIR_ENABLED | - I40E_FLAG_FDIR_ATR_ENABLED | - I40E_FLAG_DCB_ENABLED | - I40E_FLAG_SRIOV_ENABLED | - I40E_FLAG_VMDQ_ENABLED); - - } else if (pf->flags & I40E_FLAG_RSS_ENABLED && - !(pf->flags & I40E_FLAG_FDIR_ENABLED) && - !(pf->flags & I40E_FLAG_DCB_ENABLED)) { - - pf->rss_size = i40e_set_rss_size(pf, queues_left); - - queues_left -= pf->rss_size; - pf->num_lan_qps = pf->rss_size; - - } else if (pf->flags & I40E_FLAG_RSS_ENABLED && - !(pf->flags & I40E_FLAG_FDIR_ENABLED) && - (pf->flags & I40E_FLAG_DCB_ENABLED)) { - - /* save num_tc_qps queues for TCs 1 thru 7 and the rest - * are set up for RSS in TC0 - */ - queues_left -= accum_tc_size; - - pf->rss_size = i40e_set_rss_size(pf, queues_left); - - queues_left -= pf->rss_size; - if (queues_left < 0) { - dev_info(&pf->pdev->dev, "not enough queues for DCB\n"); - return; - } - - pf->num_lan_qps = pf->rss_size + accum_tc_size; - - } else if (pf->flags & I40E_FLAG_RSS_ENABLED && - (pf->flags & I40E_FLAG_FDIR_ENABLED) && - !(pf->flags & I40E_FLAG_DCB_ENABLED)) { - - queues_left -= 1; /* save 1 queue for FD */ - - pf->rss_size = i40e_set_rss_size(pf, queues_left); + pf->flags &= ~(I40E_FLAG_RSS_ENABLED | + I40E_FLAG_FD_SB_ENABLED | + I40E_FLAG_FD_ATR_ENABLED | + I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_SRIOV_ENABLED | + I40E_FLAG_VMDQ_ENABLED); + } else if (!(pf->flags & (I40E_FLAG_RSS_ENABLED | + I40E_FLAG_FD_SB_ENABLED | + I40E_FLAG_FD_ATR_ENABLED | + I40E_FLAG_DCB_CAPABLE))) { + /* one qp for PF */ + pf->rss_size = pf->num_lan_qps = 1; + queues_left -= pf->num_lan_qps; - queues_left -= pf->rss_size; - if (queues_left < 0) { - dev_info(&pf->pdev->dev, "not enough queues for Flow Director\n"); - return; + pf->flags &= ~(I40E_FLAG_RSS_ENABLED | + I40E_FLAG_FD_SB_ENABLED | + I40E_FLAG_FD_ATR_ENABLED | + I40E_FLAG_DCB_ENABLED | + I40E_FLAG_VMDQ_ENABLED); + } else { + /* Not enough queues for all TCs */ + if ((pf->flags & I40E_FLAG_DCB_CAPABLE) && + (queues_left < I40E_MAX_TRAFFIC_CLASS)) { + pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + dev_info(&pf->pdev->dev, "not enough queues for DCB. DCB is disabled.\n"); } + pf->num_lan_qps = pf->rss_size_max; + queues_left -= pf->num_lan_qps; + } - pf->num_lan_qps = pf->rss_size; - - } else if (pf->flags & I40E_FLAG_RSS_ENABLED && - (pf->flags & I40E_FLAG_FDIR_ENABLED) && - (pf->flags & I40E_FLAG_DCB_ENABLED)) { - - /* save 1 queue for TCs 1 thru 7, - * 1 queue for flow director, - * and the rest are set up for RSS in TC0 - */ - queues_left -= 1; - queues_left -= accum_tc_size; - - pf->rss_size = i40e_set_rss_size(pf, queues_left); - queues_left -= pf->rss_size; - if (queues_left < 0) { - dev_info(&pf->pdev->dev, "not enough queues for DCB and Flow Director\n"); - return; + if (pf->flags & I40E_FLAG_FD_SB_ENABLED) { + if (queues_left > 1) { + queues_left -= 1; /* save 1 queue for FD */ + } else { + pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; + dev_info(&pf->pdev->dev, "not enough queues for Flow Director. Flow Director feature is disabled\n"); } - - pf->num_lan_qps = pf->rss_size + accum_tc_size; - - } else { - dev_info(&pf->pdev->dev, - "Invalid configuration, flags=0x%08llx\n", pf->flags); - return; } if ((pf->flags & I40E_FLAG_SRIOV_ENABLED) && pf->num_vf_qps && pf->num_req_vfs && queues_left) { - pf->num_req_vfs = min_t(int, pf->num_req_vfs, (queues_left / - pf->num_vf_qps)); + pf->num_req_vfs = min_t(int, pf->num_req_vfs, + (queues_left / pf->num_vf_qps)); queues_left -= (pf->num_req_vfs * pf->num_vf_qps); } @@ -6856,7 +8293,7 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) queues_left -= (pf->num_vmdq_vsis * pf->num_vmdq_qps); } - return; + pf->queues_left = queues_left; } /** @@ -6877,7 +8314,7 @@ static int i40e_setup_pf_filter_control(struct i40e_pf *pf) settings->hash_lut_size = I40E_HASH_LUT_SIZE_128; /* Flow Director is enabled */ - if (pf->flags & (I40E_FLAG_FDIR_ENABLED | I40E_FLAG_FDIR_ATR_ENABLED)) + if (pf->flags & (I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED)) settings->enable_fdir = true; /* Ethtype and MACVLAN filters enabled for PF */ @@ -6890,6 +8327,45 @@ static int i40e_setup_pf_filter_control(struct i40e_pf *pf) return 0; } +#define INFO_STRING_LEN 255 +static void i40e_print_features(struct i40e_pf *pf) +{ + struct i40e_hw *hw = &pf->hw; + char *buf, *string; + + string = kzalloc(INFO_STRING_LEN, GFP_KERNEL); + if (!string) { + dev_err(&pf->pdev->dev, "Features string allocation failed\n"); + return; + } + + buf = string; + + buf += sprintf(string, "Features: PF-id[%d] ", hw->pf_id); +#ifdef CONFIG_PCI_IOV + buf += sprintf(buf, "VFs: %d ", pf->num_req_vfs); +#endif + buf += sprintf(buf, "VSIs: %d QP: %d ", pf->hw.func_caps.num_vsis, + pf->vsi[pf->lan_vsi]->num_queue_pairs); + + if (pf->flags & I40E_FLAG_RSS_ENABLED) + buf += sprintf(buf, "RSS "); + if (pf->flags & I40E_FLAG_FD_ATR_ENABLED) + buf += sprintf(buf, "FD_ATR "); + if (pf->flags & I40E_FLAG_FD_SB_ENABLED) { + buf += sprintf(buf, "FD_SB "); + buf += sprintf(buf, "NTUPLE "); + } + if (pf->flags & I40E_FLAG_DCB_CAPABLE) + buf += sprintf(buf, "DCB "); + if (pf->flags & I40E_FLAG_PTP) + buf += sprintf(buf, "PTP "); + + BUG_ON(buf > (string + INFO_STRING_LEN)); + dev_info(&pf->pdev->dev, "%s\n", string); + kfree(string); +} + /** * i40e_probe - Device initialization routine * @pdev: PCI device information struct @@ -6903,28 +8379,27 @@ static int i40e_setup_pf_filter_control(struct i40e_pf *pf) **/ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - struct i40e_driver_version dv; struct i40e_pf *pf; struct i40e_hw *hw; + static u16 pfs_found; + u16 link_status; int err = 0; u32 len; + u32 i; err = pci_enable_device_mem(pdev); if (err) return err; /* set up for high or low dma */ - if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { - /* coherent mask for the same size will always succeed if - * dma_set_mask does - */ - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); - } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); - } else { - dev_err(&pdev->dev, "DMA configuration failed: %d\n", err); - err = -EIO; - goto err_dma; + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (err) { + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { + dev_err(&pdev->dev, + "DMA configuration failed: 0x%x\n", err); + goto err_dma; + } } /* set up pci connections */ @@ -6971,6 +8446,18 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw->subsystem_device_id = pdev->subsystem_device; hw->bus.device = PCI_SLOT(pdev->devfn); hw->bus.func = PCI_FUNC(pdev->devfn); + pf->instance = pfs_found; + + /* do a special CORER for clearing PXE mode once at init */ + if (hw->revision_id == 0 && + (rd32(hw, I40E_GLLAN_RCTL_0) & I40E_GLLAN_RCTL_0_PXE_MODE_MASK)) { + wr32(hw, I40E_GLGEN_RTRIG, I40E_GLGEN_RTRIG_CORER_MASK); + i40e_flush(hw); + msleep(200); + pf->corer_count++; + + i40e_clear_pxe_mode(hw); + } /* Reset here to make sure all is clean and to define PF 'n' */ err = i40e_pf_reset(hw); @@ -6995,6 +8482,9 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_pf_reset; } + /* set up a default setting for link flow control */ + pf->hw.fc.requested_mode = I40E_FC_NONE; + err = i40e_init_adminq(hw); dev_info(&pdev->dev, "%s\n", i40e_fw_version_str(hw)); if (err) { @@ -7005,6 +8495,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_pf_reset; } + i40e_verify_eeprom(pf); + + /* Rev 0 hardware was never productized */ + if (hw->revision_id < 1) + dev_warn(&pdev->dev, "This device is a pre-production adapter/LOM. Please be aware there may be issues with your hardware. If you are experiencing problems please contact your Intel or hardware representative who provided you with this hardware.\n"); + + i40e_clear_pxe_mode(hw); err = i40e_get_capabilities(pf); if (err) goto err_adminq_setup; @@ -7031,16 +8528,24 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } i40e_get_mac_addr(hw, hw->mac.addr); - if (i40e_validate_mac_addr(hw->mac.addr)) { + if (!is_valid_ether_addr(hw->mac.addr)) { dev_info(&pdev->dev, "invalid MAC address %pM\n", hw->mac.addr); err = -EIO; goto err_mac_addr; } dev_info(&pdev->dev, "MAC address: %pM\n", hw->mac.addr); - memcpy(hw->mac.perm_addr, hw->mac.addr, ETH_ALEN); + ether_addr_copy(hw->mac.perm_addr, hw->mac.addr); pci_set_drvdata(pdev, pf); pci_save_state(pdev); +#ifdef CONFIG_I40E_DCB + err = i40e_init_pf_dcb(pf); + if (err) { + dev_info(&pdev->dev, "init_pf_dcb failed: %d\n", err); + pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + /* Continue without DCB enabled */ + } +#endif /* CONFIG_I40E_DCB */ /* set up periodic task facility */ setup_timer(&pf->service_timer, i40e_service_timer, (unsigned long)pf); @@ -7051,23 +8556,44 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pf->flags |= I40E_FLAG_NEED_LINK_UPDATE; pf->link_check_timeout = jiffies; + /* WoL defaults to disabled */ + pf->wol_en = false; + device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); + /* set up the main switch operations */ i40e_determine_queue_usage(pf); i40e_init_interrupt_scheme(pf); - /* Set up the *vsi struct based on the number of VSIs in the HW, - * and set up our local tracking of the MAIN PF vsi. + /* The number of VSIs reported by the FW is the minimum guaranteed + * to us; HW supports far more and we share the remaining pool with + * the other PFs. We allocate space for more than the guarantee with + * the understanding that we might not get them all later. */ - len = sizeof(struct i40e_vsi *) * pf->hw.func_caps.num_vsis; + if (pf->hw.func_caps.num_vsis < I40E_MIN_VSI_ALLOC) + pf->num_alloc_vsi = I40E_MIN_VSI_ALLOC; + else + pf->num_alloc_vsi = pf->hw.func_caps.num_vsis; + + /* Set up the *vsi struct and our local tracking of the MAIN PF vsi. */ + len = sizeof(struct i40e_vsi *) * pf->num_alloc_vsi; pf->vsi = kzalloc(len, GFP_KERNEL); - if (!pf->vsi) + if (!pf->vsi) { + err = -ENOMEM; goto err_switch_setup; + } - err = i40e_setup_pf_switch(pf); + err = i40e_setup_pf_switch(pf, false); if (err) { dev_info(&pdev->dev, "setup_pf_switch failed: %d\n", err); goto err_vsis; } + /* if FDIR VSI was set up, start it now */ + for (i = 0; i < pf->num_alloc_vsi; i++) { + if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) { + i40e_vsi_open(pf->vsi[i]); + break; + } + } /* The main driver is (mostly) up and happy. We need to set this state * before setting up the misc vector or we get a race and the vector @@ -7089,9 +8615,11 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } +#ifdef CONFIG_PCI_IOV /* prep for VF support */ if ((pf->flags & I40E_FLAG_SRIOV_ENABLED) && - (pf->flags & I40E_FLAG_MSIX_ENABLED)) { + (pf->flags & I40E_FLAG_MSIX_ENABLED) && + !test_bit(__I40E_BAD_EEPROM, &pf->state)) { u32 val; /* disable link interrupts for VFs */ @@ -7099,29 +8627,64 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK; wr32(hw, I40E_PFGEN_PORTMDIO_NUM, val); i40e_flush(hw); + + if (pci_num_vf(pdev)) { + dev_info(&pdev->dev, + "Active VFs found, allocating resources.\n"); + err = i40e_alloc_vfs(pf, pci_num_vf(pdev)); + if (err) + dev_info(&pdev->dev, + "Error %d allocating resources for existing VFs\n", + err); + } } +#endif /* CONFIG_PCI_IOV */ + + pfs_found++; i40e_dbg_pf_init(pf); /* tell the firmware that we're starting */ - dv.major_version = DRV_VERSION_MAJOR; - dv.minor_version = DRV_VERSION_MINOR; - dv.build_version = DRV_VERSION_BUILD; - dv.subbuild_version = 0; - i40e_aq_send_driver_version(&pf->hw, &dv, NULL); + i40e_send_version(pf); /* since everything's happy, start the service_task timer */ mod_timer(&pf->service_timer, round_jiffies(jiffies + pf->service_timer_period)); + /* Get the negotiated link width and speed from PCI config space */ + pcie_capability_read_word(pf->pdev, PCI_EXP_LNKSTA, &link_status); + + i40e_set_pci_config_data(hw, link_status); + + dev_info(&pdev->dev, "PCI-Express: %s %s\n", + (hw->bus.speed == i40e_bus_speed_8000 ? "Speed 8.0GT/s" : + hw->bus.speed == i40e_bus_speed_5000 ? "Speed 5.0GT/s" : + hw->bus.speed == i40e_bus_speed_2500 ? "Speed 2.5GT/s" : + "Unknown"), + (hw->bus.width == i40e_bus_width_pcie_x8 ? "Width x8" : + hw->bus.width == i40e_bus_width_pcie_x4 ? "Width x4" : + hw->bus.width == i40e_bus_width_pcie_x2 ? "Width x2" : + hw->bus.width == i40e_bus_width_pcie_x1 ? "Width x1" : + "Unknown")); + + if (hw->bus.width < i40e_bus_width_pcie_x8 || + hw->bus.speed < i40e_bus_speed_8000) { + dev_warn(&pdev->dev, "PCI-Express bandwidth available for this device may be insufficient for optimal performance.\n"); + dev_warn(&pdev->dev, "Please move the device to a different PCI-e link with more lanes and/or higher transfer rate.\n"); + } + + /* print a string summarizing features */ + i40e_print_features(pf); + return 0; /* Unwind what we've done if something failed in the setup */ err_vsis: set_bit(__I40E_DOWN, &pf->state); -err_switch_setup: i40e_clear_interrupt_scheme(pf); kfree(pf->vsi); +err_switch_setup: + i40e_reset_interrupt_capability(pf); del_timer_sync(&pf->service_timer); err_mac_addr: err_configure_lan_hmc: @@ -7164,16 +8727,18 @@ static void i40e_remove(struct pci_dev *pdev) i40e_dbg_pf_exit(pf); - if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { - i40e_free_vfs(pf); - pf->flags &= ~I40E_FLAG_SRIOV_ENABLED; - } + i40e_ptp_stop(pf); /* no more scheduling of any task */ set_bit(__I40E_DOWN, &pf->state); del_timer_sync(&pf->service_timer); cancel_work_sync(&pf->service_task); + if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { + i40e_free_vfs(pf); + pf->flags &= ~I40E_FLAG_SRIOV_ENABLED; + } + i40e_fdir_teardown(pf); /* If there is a switch structure or any orphans, remove them. @@ -7201,13 +8766,15 @@ static void i40e_remove(struct pci_dev *pdev) } /* shutdown and destroy the HMC */ - ret_code = i40e_shutdown_lan_hmc(&pf->hw); - if (ret_code) - dev_warn(&pdev->dev, - "Failed to destroy the HMC resources: %d\n", ret_code); + if (pf->hw.hmc.hmc_obj) { + ret_code = i40e_shutdown_lan_hmc(&pf->hw); + if (ret_code) + dev_warn(&pdev->dev, + "Failed to destroy the HMC resources: %d\n", + ret_code); + } /* shutdown the adminq */ - i40e_aq_queue_shutdown(&pf->hw, true); ret_code = i40e_shutdown_adminq(&pf->hw); if (ret_code) dev_warn(&pdev->dev, @@ -7216,7 +8783,7 @@ static void i40e_remove(struct pci_dev *pdev) /* Clear all dynamic memory lists of rings, q_vectors, and VSIs */ i40e_clear_interrupt_scheme(pf); - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i]) { i40e_vsi_clear_rings(pf->vsi[i]); i40e_vsi_clear(pf->vsi[i]); @@ -7231,7 +8798,6 @@ static void i40e_remove(struct pci_dev *pdev) kfree(pf->qp_pile); kfree(pf->irq_pile); - kfree(pf->sw_config); kfree(pf->vsi); /* force a PF reset to clean anything leftover */ @@ -7264,7 +8830,11 @@ static pci_ers_result_t i40e_pci_error_detected(struct pci_dev *pdev, dev_info(&pdev->dev, "%s: error %d\n", __func__, error); /* shutdown all operations */ - i40e_pf_quiesce_all_vsi(pf); + if (!test_bit(__I40E_SUSPENDED, &pf->state)) { + rtnl_lock(); + i40e_prep_for_reset(pf); + rtnl_unlock(); + } /* Request a slot reset */ return PCI_ERS_RESULT_NEED_RESET; @@ -7327,9 +8897,103 @@ static void i40e_pci_error_resume(struct pci_dev *pdev) struct i40e_pf *pf = pci_get_drvdata(pdev); dev_info(&pdev->dev, "%s\n", __func__); + if (test_bit(__I40E_SUSPENDED, &pf->state)) + return; + + rtnl_lock(); i40e_handle_reset_warning(pf); + rtnl_lock(); +} + +/** + * i40e_shutdown - PCI callback for shutting down + * @pdev: PCI device information struct + **/ +static void i40e_shutdown(struct pci_dev *pdev) +{ + struct i40e_pf *pf = pci_get_drvdata(pdev); + struct i40e_hw *hw = &pf->hw; + + set_bit(__I40E_SUSPENDED, &pf->state); + set_bit(__I40E_DOWN, &pf->state); + rtnl_lock(); + i40e_prep_for_reset(pf); + rtnl_unlock(); + + wr32(hw, I40E_PFPM_APM, (pf->wol_en ? I40E_PFPM_APM_APME_MASK : 0)); + wr32(hw, I40E_PFPM_WUFC, (pf->wol_en ? I40E_PFPM_WUFC_MAG_MASK : 0)); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, pf->wol_en); + pci_set_power_state(pdev, PCI_D3hot); + } } +#ifdef CONFIG_PM +/** + * i40e_suspend - PCI callback for moving to D3 + * @pdev: PCI device information struct + **/ +static int i40e_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct i40e_pf *pf = pci_get_drvdata(pdev); + struct i40e_hw *hw = &pf->hw; + + set_bit(__I40E_SUSPENDED, &pf->state); + set_bit(__I40E_DOWN, &pf->state); + rtnl_lock(); + i40e_prep_for_reset(pf); + rtnl_unlock(); + + wr32(hw, I40E_PFPM_APM, (pf->wol_en ? I40E_PFPM_APM_APME_MASK : 0)); + wr32(hw, I40E_PFPM_WUFC, (pf->wol_en ? I40E_PFPM_WUFC_MAG_MASK : 0)); + + pci_wake_from_d3(pdev, pf->wol_en); + pci_set_power_state(pdev, PCI_D3hot); + + return 0; +} + +/** + * i40e_resume - PCI callback for waking up from D3 + * @pdev: PCI device information struct + **/ +static int i40e_resume(struct pci_dev *pdev) +{ + struct i40e_pf *pf = pci_get_drvdata(pdev); + u32 err; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + /* pci_restore_state() clears dev->state_saves, so + * call pci_save_state() again to restore it. + */ + pci_save_state(pdev); + + err = pci_enable_device_mem(pdev); + if (err) { + dev_err(&pdev->dev, + "%s: Cannot enable PCI device from suspend\n", + __func__); + return err; + } + pci_set_master(pdev); + + /* no wakeup events while running */ + pci_wake_from_d3(pdev, false); + + /* handling the reset will rebuild the device state */ + if (test_and_clear_bit(__I40E_SUSPENDED, &pf->state)) { + clear_bit(__I40E_DOWN, &pf->state); + rtnl_lock(); + i40e_reset_and_rebuild(pf, false); + rtnl_unlock(); + } + + return 0; +} + +#endif static const struct pci_error_handlers i40e_err_handler = { .error_detected = i40e_pci_error_detected, .slot_reset = i40e_pci_error_slot_reset, @@ -7341,6 +9005,11 @@ static struct pci_driver i40e_driver = { .id_table = i40e_pci_tbl, .probe = i40e_probe, .remove = i40e_remove, +#ifdef CONFIG_PM + .suspend = i40e_suspend, + .resume = i40e_resume, +#endif + .shutdown = i40e_shutdown, .err_handler = &i40e_err_handler, .sriov_configure = i40e_pci_sriov_configure, }; diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index 97e1bb30ef8..81299189a47 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -28,14 +27,14 @@ #include "i40e_prototype.h" /** - * i40e_init_nvm_ops - Initialize NVM function pointers. - * @hw: pointer to the HW structure. + * i40e_init_nvm_ops - Initialize NVM function pointers + * @hw: pointer to the HW structure * - * Setups the function pointers and the NVM info structure. Should be called - * once per NVM initialization, e.g. inside the i40e_init_shared_code(). - * Please notice that the NVM term is used here (& in all methods covered - * in this file) as an equivalent of the FLASH part mapped into the SR. - * We are accessing FLASH always thru the Shadow RAM. + * Setup the function pointers and the NVM info structure. Should be called + * once per NVM initialization, e.g. inside the i40e_init_shared_code(). + * Please notice that the NVM term is used here (& in all methods covered + * in this file) as an equivalent of the FLASH part mapped into the SR. + * We are accessing FLASH always thru the Shadow RAM. **/ i40e_status i40e_init_nvm(struct i40e_hw *hw) { @@ -50,16 +49,16 @@ i40e_status i40e_init_nvm(struct i40e_hw *hw) gens = rd32(hw, I40E_GLNVM_GENS); sr_size = ((gens & I40E_GLNVM_GENS_SR_SIZE_MASK) >> I40E_GLNVM_GENS_SR_SIZE_SHIFT); - /* Switching to words (sr_size contains power of 2KB). */ + /* Switching to words (sr_size contains power of 2KB) */ nvm->sr_size = (1 << sr_size) * I40E_SR_WORDS_IN_1KB; - /* Check if we are in the normal or blank NVM programming mode. */ + /* Check if we are in the normal or blank NVM programming mode */ fla = rd32(hw, I40E_GLNVM_FLA); - if (fla & I40E_GLNVM_FLA_LOCKED_MASK) { /* Normal programming mode. */ - /* Max NVM timeout. */ + if (fla & I40E_GLNVM_FLA_LOCKED_MASK) { /* Normal programming mode */ + /* Max NVM timeout */ nvm->timeout = I40E_MAX_NVM_TIMEOUT; nvm->blank_nvm_mode = false; - } else { /* Blank programming mode. */ + } else { /* Blank programming mode */ nvm->blank_nvm_mode = true; ret_code = I40E_ERR_NVM_BLANK_MODE; hw_dbg(hw, "NVM init error: unsupported blank mode.\n"); @@ -69,12 +68,12 @@ i40e_status i40e_init_nvm(struct i40e_hw *hw) } /** - * i40e_acquire_nvm - Generic request for acquiring the NVM ownership. - * @hw: pointer to the HW structure. - * @access: NVM access type (read or write). + * i40e_acquire_nvm - Generic request for acquiring the NVM ownership + * @hw: pointer to the HW structure + * @access: NVM access type (read or write) * - * This function will request NVM ownership for reading - * via the proper Admin Command. + * This function will request NVM ownership for reading + * via the proper Admin Command. **/ i40e_status i40e_acquire_nvm(struct i40e_hw *hw, enum i40e_aq_resource_access_type access) @@ -88,20 +87,20 @@ i40e_status i40e_acquire_nvm(struct i40e_hw *hw, ret_code = i40e_aq_request_resource(hw, I40E_NVM_RESOURCE_ID, access, 0, &time, NULL); - /* Reading the Global Device Timer. */ + /* Reading the Global Device Timer */ gtime = rd32(hw, I40E_GLVFGEN_TIMER); - /* Store the timeout. */ + /* Store the timeout */ hw->nvm.hw_semaphore_timeout = I40E_MS_TO_GTIME(time) + gtime; if (ret_code) { - /* Set the polling timeout. */ + /* Set the polling timeout */ if (time > I40E_MAX_NVM_TIMEOUT) timeout = I40E_MS_TO_GTIME(I40E_MAX_NVM_TIMEOUT) + gtime; else timeout = hw->nvm.hw_semaphore_timeout; - /* Poll until the current NVM owner timeouts. */ + /* Poll until the current NVM owner timeouts */ while (gtime < timeout) { usleep_range(10000, 20000); ret_code = i40e_aq_request_resource(hw, @@ -129,10 +128,10 @@ i40e_i40e_acquire_nvm_exit: } /** - * i40e_release_nvm - Generic request for releasing the NVM ownership. - * @hw: pointer to the HW structure. + * i40e_release_nvm - Generic request for releasing the NVM ownership + * @hw: pointer to the HW structure * - * This function will release NVM resource via the proper Admin Command. + * This function will release NVM resource via the proper Admin Command. **/ void i40e_release_nvm(struct i40e_hw *hw) { @@ -141,17 +140,17 @@ void i40e_release_nvm(struct i40e_hw *hw) } /** - * i40e_poll_sr_srctl_done_bit - Polls the GLNVM_SRCTL done bit. - * @hw: pointer to the HW structure. + * i40e_poll_sr_srctl_done_bit - Polls the GLNVM_SRCTL done bit + * @hw: pointer to the HW structure * - * Polls the SRCTL Shadow RAM register done bit. + * Polls the SRCTL Shadow RAM register done bit. **/ static i40e_status i40e_poll_sr_srctl_done_bit(struct i40e_hw *hw) { i40e_status ret_code = I40E_ERR_TIMEOUT; u32 srctl, wait_cnt; - /* Poll the I40E_GLNVM_SRCTL until the done bit is set. */ + /* Poll the I40E_GLNVM_SRCTL until the done bit is set */ for (wait_cnt = 0; wait_cnt < I40E_SRRD_SRCTL_ATTEMPTS; wait_cnt++) { srctl = rd32(hw, I40E_GLNVM_SRCTL); if (srctl & I40E_GLNVM_SRCTL_DONE_MASK) { @@ -161,20 +160,20 @@ static i40e_status i40e_poll_sr_srctl_done_bit(struct i40e_hw *hw) udelay(5); } if (ret_code == I40E_ERR_TIMEOUT) - hw_dbg(hw, "Done bit in GLNVM_SRCTL not set"); + hw_dbg(hw, "Done bit in GLNVM_SRCTL not set\n"); return ret_code; } /** - * i40e_read_nvm_srctl - Reads Shadow RAM. - * @hw: pointer to the HW structure. - * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF). - * @data: word read from the Shadow RAM. + * i40e_read_nvm_word - Reads Shadow RAM + * @hw: pointer to the HW structure + * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF) + * @data: word read from the Shadow RAM * - * Reads 16 bit word from the Shadow RAM using the GLNVM_SRCTL register. + * Reads one 16 bit word from the Shadow RAM using the GLNVM_SRCTL register. **/ -static i40e_status i40e_read_nvm_srctl(struct i40e_hw *hw, u16 offset, - u16 *data) +i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, + u16 *data) { i40e_status ret_code = I40E_ERR_TIMEOUT; u32 sr_reg; @@ -185,15 +184,15 @@ static i40e_status i40e_read_nvm_srctl(struct i40e_hw *hw, u16 offset, goto read_nvm_exit; } - /* Poll the done bit first. */ + /* Poll the done bit first */ ret_code = i40e_poll_sr_srctl_done_bit(hw); if (!ret_code) { - /* Write the address and start reading. */ + /* Write the address and start reading */ sr_reg = (u32)(offset << I40E_GLNVM_SRCTL_ADDR_SHIFT) | (1 << I40E_GLNVM_SRCTL_START_SHIFT); wr32(hw, I40E_GLNVM_SRCTL, sr_reg); - /* Poll I40E_GLNVM_SRCTL until the done bit is set. */ + /* Poll I40E_GLNVM_SRCTL until the done bit is set */ ret_code = i40e_poll_sr_srctl_done_bit(hw); if (!ret_code) { sr_reg = rd32(hw, I40E_GLNVM_SRDATA); @@ -211,80 +210,45 @@ read_nvm_exit: } /** - * i40e_read_nvm_word - Reads Shadow RAM word. - * @hw: pointer to the HW structure. - * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF). - * @data: word read from the Shadow RAM. - * - * Reads 16 bit word from the Shadow RAM. Each read is preceded - * with the NVM ownership taking and followed by the release. - **/ -i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, - u16 *data) -{ - i40e_status ret_code = 0; - - ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); - if (!ret_code) { - ret_code = i40e_read_nvm_srctl(hw, offset, data); - i40e_release_nvm(hw); - } - - return ret_code; -} - -/** - * i40e_read_nvm_buffer - Reads Shadow RAM buffer. - * @hw: pointer to the HW structure. - * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF). - * @words: number of words to read (in) & - * number of words read before the NVM ownership timeout (out). - * @data: words read from the Shadow RAM. + * i40e_read_nvm_buffer - Reads Shadow RAM buffer + * @hw: pointer to the HW structure + * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF). + * @words: (in) number of words to read; (out) number of words actually read + * @data: words read from the Shadow RAM * - * Reads 16 bit words (data buffer) from the SR using the i40e_read_nvm_srrd() - * method. The buffer read is preceded by the NVM ownership take - * and followed by the release. + * Reads 16 bit words (data buffer) from the SR using the i40e_read_nvm_srrd() + * method. The buffer read is preceded by the NVM ownership take + * and followed by the release. **/ i40e_status i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset, u16 *words, u16 *data) { i40e_status ret_code = 0; u16 index, word; - u32 time; - ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); - if (!ret_code) { - /* Loop thru the selected region. */ - for (word = 0; word < *words; word++) { - index = offset + word; - ret_code = i40e_read_nvm_srctl(hw, index, &data[word]); - if (ret_code) - break; - /* Check if we didn't exceeded the semaphore timeout. */ - time = rd32(hw, I40E_GLVFGEN_TIMER); - if (time >= hw->nvm.hw_semaphore_timeout) { - ret_code = I40E_ERR_TIMEOUT; - hw_dbg(hw, "NVM read error: timeout.\n"); - break; - } - } - /* Update the number of words read from the Shadow RAM. */ - *words = word; - /* Release the NVM ownership. */ - i40e_release_nvm(hw); + /* Loop thru the selected region */ + for (word = 0; word < *words; word++) { + index = offset + word; + ret_code = i40e_read_nvm_word(hw, index, &data[word]); + if (ret_code) + break; } + /* Update the number of words read from the Shadow RAM */ + *words = word; + return ret_code; } /** - * i40e_calc_nvm_checksum - Calculates and returns the checksum - * @hw: pointer to hardware structure + * i40e_calc_nvm_checksum - Calculates and returns the checksum + * @hw: pointer to hardware structure + * @checksum: pointer to the checksum * - * This function calculate SW Checksum that covers the whole 64kB shadow RAM - * except the VPD and PCIe ALT Auto-load modules. The structure and size of VPD - * is customer specific and unknown. Therefore, this function skips all maximum - * possible size of VPD (1kB). + * This function calculates SW Checksum that covers the whole 64kB shadow RAM + * except the VPD and PCIe ALT Auto-load modules. The structure and size of VPD + * is customer specific and unknown. Therefore, this function skips all maximum + * possible size of VPD (1kB). **/ static i40e_status i40e_calc_nvm_checksum(struct i40e_hw *hw, u16 *checksum) @@ -297,14 +261,14 @@ static i40e_status i40e_calc_nvm_checksum(struct i40e_hw *hw, u32 i = 0; /* read pointer to VPD area */ - ret_code = i40e_read_nvm_srctl(hw, I40E_SR_VPD_PTR, &vpd_module); + ret_code = i40e_read_nvm_word(hw, I40E_SR_VPD_PTR, &vpd_module); if (ret_code) { ret_code = I40E_ERR_NVM_CHECKSUM; goto i40e_calc_nvm_checksum_exit; } /* read pointer to PCIe Alt Auto-load module */ - ret_code = i40e_read_nvm_srctl(hw, I40E_SR_PCIE_ALT_AUTO_LOAD_PTR, + ret_code = i40e_read_nvm_word(hw, I40E_SR_PCIE_ALT_AUTO_LOAD_PTR, &pcie_alt_module); if (ret_code) { ret_code = I40E_ERR_NVM_CHECKSUM; @@ -331,7 +295,7 @@ static i40e_status i40e_calc_nvm_checksum(struct i40e_hw *hw, break; } - ret_code = i40e_read_nvm_srctl(hw, (u16)i, &word); + ret_code = i40e_read_nvm_word(hw, (u16)i, &word); if (ret_code) { ret_code = I40E_ERR_NVM_CHECKSUM; goto i40e_calc_nvm_checksum_exit; @@ -346,19 +310,19 @@ i40e_calc_nvm_checksum_exit: } /** - * i40e_validate_nvm_checksum - Validate EEPROM checksum - * @hw: pointer to hardware structure - * @checksum: calculated checksum + * i40e_validate_nvm_checksum - Validate EEPROM checksum + * @hw: pointer to hardware structure + * @checksum: calculated checksum * - * Performs checksum calculation and validates the NVM SW checksum. If the - * caller does not need checksum, the value can be NULL. + * Performs checksum calculation and validates the NVM SW checksum. If the + * caller does not need checksum, the value can be NULL. **/ i40e_status i40e_validate_nvm_checksum(struct i40e_hw *hw, u16 *checksum) { i40e_status ret_code = 0; u16 checksum_sr = 0; - u16 checksum_local; + u16 checksum_local = 0; ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); if (ret_code) @@ -371,7 +335,7 @@ i40e_status i40e_validate_nvm_checksum(struct i40e_hw *hw, /* Do not use i40e_read_nvm_word() because we do not want to take * the synchronization semaphores twice here. */ - i40e_read_nvm_srctl(hw, I40E_SR_SW_CHECKSUM_WORD, &checksum_sr); + i40e_read_nvm_word(hw, I40E_SR_SW_CHECKSUM_WORD, &checksum_sr); /* Verify read checksum from EEPROM is the same as * calculated checksum diff --git a/drivers/net/ethernet/intel/i40e/i40e_osdep.h b/drivers/net/ethernet/intel/i40e/i40e_osdep.h index 702c81ba86e..ecd0f0b663c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_osdep.h +++ b/drivers/net/ethernet/intel/i40e/i40e_osdep.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h index f75bb9ccc90..a430699c41d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h +++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -51,7 +50,6 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, void *buff, /* can be NULL */ u16 buff_size, struct i40e_asq_cmd_details *cmd_details); -bool i40e_asq_done(struct i40e_hw *hw); /* debug function for adminq */ void i40e_debug_aq(struct i40e_hw *hw, @@ -60,10 +58,11 @@ void i40e_debug_aq(struct i40e_hw *hw, void *buffer); void i40e_idle_aq(struct i40e_hw *hw); -void i40e_resume_aq(struct i40e_hw *hw); +bool i40e_check_asq_alive(struct i40e_hw *hw); +i40e_status i40e_aq_queue_shutdown(struct i40e_hw *hw, bool unloading); u32 i40e_led_get(struct i40e_hw *hw); -void i40e_led_set(struct i40e_hw *hw, u32 mode); +void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink); /* admin send queue commands */ @@ -71,12 +70,12 @@ i40e_status i40e_aq_get_firmware_version(struct i40e_hw *hw, u16 *fw_major_version, u16 *fw_minor_version, u16 *api_major_version, u16 *api_minor_version, struct i40e_asq_cmd_details *cmd_details); -i40e_status i40e_aq_queue_shutdown(struct i40e_hw *hw, - bool unloading); -i40e_status i40e_aq_set_phy_reset(struct i40e_hw *hw, +i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_set_default_vsi(struct i40e_hw *hw, u16 vsi_id, struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw, + struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, @@ -95,9 +94,9 @@ i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw, u16 vsi_id, bool set_filter, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw, - u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details); + u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw, - u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details); + u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw, struct i40e_vsi_context *vsi_ctx, struct i40e_asq_cmd_details *cmd_details); @@ -106,7 +105,8 @@ i40e_status i40e_aq_update_vsi_params(struct i40e_hw *hw, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid, u16 downlink_seid, u8 enabled_tc, - bool default_port, u16 *pveb_seid, + bool default_port, bool enable_l2_filtering, + u16 *pveb_seid, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_get_veb_parameters(struct i40e_hw *hw, u16 veb_seid, u16 *switch_id, bool *floating, @@ -119,12 +119,6 @@ i40e_status i40e_aq_add_macvlan(struct i40e_hw *hw, u16 vsi_id, i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 vsi_id, struct i40e_aqc_remove_macvlan_element_data *mv_list, u16 count, struct i40e_asq_cmd_details *cmd_details); -i40e_status i40e_aq_add_vlan(struct i40e_hw *hw, u16 vsi_id, - struct i40e_aqc_add_remove_vlan_element_data *v_list, - u8 count, struct i40e_asq_cmd_details *cmd_details); -i40e_status i40e_aq_remove_vlan(struct i40e_hw *hw, u16 vsi_id, - struct i40e_aqc_add_remove_vlan_element_data *v_list, - u8 count, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid, u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen, struct i40e_asq_cmd_details *cmd_details); @@ -164,11 +158,22 @@ i40e_status i40e_aq_stop_lldp(struct i40e_hw *hw, bool shutdown_agent, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_start_lldp(struct i40e_hw *hw, struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw, + u16 udp_port, u8 protocol_index, + u8 *filter_index, + struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index, + struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_delete_element(struct i40e_hw *hw, u16 seid, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_mac_address_write(struct i40e_hw *hw, u16 flags, u8 *mac_addr, struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw, + u16 seid, u16 credit, u8 max_credit, + struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_dcb_updated(struct i40e_hw *hw, + struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_set_hmc_resource_profile(struct i40e_hw *hw, enum i40e_aq_hmc_profile profile, u8 pe_vf_enabled_count, @@ -179,6 +184,15 @@ i40e_status i40e_aq_config_switch_comp_bw_limit(struct i40e_hw *hw, i40e_status i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw, u16 seid, struct i40e_aqc_configure_vsi_tc_bw_data *bw_data, struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_config_switch_comp_ets(struct i40e_hw *hw, + u16 seid, + struct i40e_aqc_configure_switching_comp_ets_data *ets_data, + enum i40e_admin_queue_opc opcode, + struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw, + u16 seid, + struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data, + struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_aq_query_vsi_bw_config(struct i40e_hw *hw, u16 seid, struct i40e_aqc_query_vsi_bw_config_resp *bw_data, @@ -207,8 +221,7 @@ bool i40e_get_link_status(struct i40e_hw *hw); i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr); i40e_status i40e_validate_mac_addr(u8 *mac_addr); -i40e_status i40e_read_lldp_cfg(struct i40e_hw *hw, - struct i40e_lldp_variables *lldp_cfg); +void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable); /* prototype for functions used for NVM access */ i40e_status i40e_init_nvm(struct i40e_hw *hw); i40e_status i40e_acquire_nvm(struct i40e_hw *hw, @@ -222,6 +235,14 @@ i40e_status i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset, u16 *words, u16 *data); i40e_status i40e_validate_nvm_checksum(struct i40e_hw *hw, u16 *checksum); +void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status); + +extern struct i40e_rx_ptype_decoded i40e_ptype_lookup[]; + +static inline struct i40e_rx_ptype_decoded decode_rx_desc_ptype(u8 ptype) +{ + return i40e_ptype_lookup[ptype]; +} /* prototype for functions used for SW locks */ @@ -236,4 +257,9 @@ i40e_status i40e_aq_send_msg_to_pf(struct i40e_hw *hw, struct i40e_asq_cmd_details *cmd_details); i40e_status i40e_set_filter_control(struct i40e_hw *hw, struct i40e_filter_control_settings *settings); +i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw, + u8 *mac_addr, u16 ethtype, u16 flags, + u16 vsi_seid, u16 queue, bool is_add, + struct i40e_control_filter_stats *stats, + struct i40e_asq_cmd_details *cmd_details); #endif /* _I40E_PROTOTYPE_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c new file mode 100644 index 00000000000..101f439acda --- /dev/null +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -0,0 +1,625 @@ +/******************************************************************************* + * + * Intel Ethernet Controller XL710 Family Linux Driver + * Copyright(c) 2013 - 2014 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, see <http://www.gnu.org/licenses/>. + * + * 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 "i40e.h" +#include <linux/export.h> +#include <linux/ptp_classify.h> + +/* The XL710 timesync is very much like Intel's 82599 design when it comes to + * the fundamental clock design. However, the clock operations are much simpler + * in the XL710 because the device supports a full 64 bits of nanoseconds. + * Because the field is so wide, we can forgo the cycle counter and just + * operate with the nanosecond field directly without fear of overflow. + * + * Much like the 82599, the update period is dependent upon the link speed: + * At 40Gb link or no link, the period is 1.6ns. + * At 10Gb link, the period is multiplied by 2. (3.2ns) + * At 1Gb link, the period is multiplied by 20. (32ns) + * 1588 functionality is not supported at 100Mbps. + */ +#define I40E_PTP_40GB_INCVAL 0x0199999999ULL +#define I40E_PTP_10GB_INCVAL 0x0333333333ULL +#define I40E_PTP_1GB_INCVAL 0x2000000000ULL + +#define I40E_PRTTSYN_CTL1_TSYNTYPE_V1 (0x1 << \ + I40E_PRTTSYN_CTL1_TSYNTYPE_SHIFT) +#define I40E_PRTTSYN_CTL1_TSYNTYPE_V2 (0x2 << \ + I40E_PRTTSYN_CTL1_TSYNTYPE_SHIFT) + +/** + * i40e_ptp_read - Read the PHC time from the device + * @pf: Board private structure + * @ts: timespec structure to hold the current time value + * + * This function reads the PRTTSYN_TIME registers and stores them in a + * timespec. However, since the registers are 64 bits of nanoseconds, we must + * convert the result to a timespec before we can return. + **/ +static void i40e_ptp_read(struct i40e_pf *pf, struct timespec *ts) +{ + struct i40e_hw *hw = &pf->hw; + u32 hi, lo; + u64 ns; + + /* The timer latches on the lowest register read. */ + lo = rd32(hw, I40E_PRTTSYN_TIME_L); + hi = rd32(hw, I40E_PRTTSYN_TIME_H); + + ns = (((u64)hi) << 32) | lo; + + *ts = ns_to_timespec(ns); +} + +/** + * i40e_ptp_write - Write the PHC time to the device + * @pf: Board private structure + * @ts: timespec structure that holds the new time value + * + * This function writes the PRTTSYN_TIME registers with the user value. Since + * we receive a timespec from the stack, we must convert that timespec into + * nanoseconds before programming the registers. + **/ +static void i40e_ptp_write(struct i40e_pf *pf, const struct timespec *ts) +{ + struct i40e_hw *hw = &pf->hw; + u64 ns = timespec_to_ns(ts); + + /* The timer will not update until the high register is written, so + * write the low register first. + */ + wr32(hw, I40E_PRTTSYN_TIME_L, ns & 0xFFFFFFFF); + wr32(hw, I40E_PRTTSYN_TIME_H, ns >> 32); +} + +/** + * i40e_ptp_convert_to_hwtstamp - Convert device clock to system time + * @hwtstamps: Timestamp structure to update + * @timestamp: Timestamp from the hardware + * + * We need to convert the NIC clock value into a hwtstamp which can be used by + * the upper level timestamping functions. Since the timestamp is simply a 64- + * bit nanosecond value, we can call ns_to_ktime directly to handle this. + **/ +static void i40e_ptp_convert_to_hwtstamp(struct skb_shared_hwtstamps *hwtstamps, + u64 timestamp) +{ + memset(hwtstamps, 0, sizeof(*hwtstamps)); + + hwtstamps->hwtstamp = ns_to_ktime(timestamp); +} + +/** + * i40e_ptp_adjfreq - Adjust the PHC frequency + * @ptp: The PTP clock structure + * @ppb: Parts per billion adjustment from the base + * + * Adjust the frequency of the PHC by the indicated parts per billion from the + * base frequency. + **/ +static int i40e_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) +{ + struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); + struct i40e_hw *hw = &pf->hw; + u64 adj, freq, diff; + int neg_adj = 0; + + if (ppb < 0) { + neg_adj = 1; + ppb = -ppb; + } + + smp_mb(); /* Force any pending update before accessing. */ + adj = ACCESS_ONCE(pf->ptp_base_adj); + + freq = adj; + freq *= ppb; + diff = div_u64(freq, 1000000000ULL); + + if (neg_adj) + adj -= diff; + else + adj += diff; + + wr32(hw, I40E_PRTTSYN_INC_L, adj & 0xFFFFFFFF); + wr32(hw, I40E_PRTTSYN_INC_H, adj >> 32); + + return 0; +} + +/** + * i40e_ptp_adjtime - Adjust the PHC time + * @ptp: The PTP clock structure + * @delta: Offset in nanoseconds to adjust the PHC time by + * + * Adjust the frequency of the PHC by the indicated parts per billion from the + * base frequency. + **/ +static int i40e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) +{ + struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); + struct timespec now, then = ns_to_timespec(delta); + unsigned long flags; + + spin_lock_irqsave(&pf->tmreg_lock, flags); + + i40e_ptp_read(pf, &now); + now = timespec_add(now, then); + i40e_ptp_write(pf, (const struct timespec *)&now); + + spin_unlock_irqrestore(&pf->tmreg_lock, flags); + + return 0; +} + +/** + * i40e_ptp_gettime - Get the time of the PHC + * @ptp: The PTP clock structure + * @ts: timespec structure to hold the current time value + * + * Read the device clock and return the correct value on ns, after converting it + * into a timespec struct. + **/ +static int i40e_ptp_gettime(struct ptp_clock_info *ptp, struct timespec *ts) +{ + struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); + unsigned long flags; + + spin_lock_irqsave(&pf->tmreg_lock, flags); + i40e_ptp_read(pf, ts); + spin_unlock_irqrestore(&pf->tmreg_lock, flags); + + return 0; +} + +/** + * i40e_ptp_settime - Set the time of the PHC + * @ptp: The PTP clock structure + * @ts: timespec structure that holds the new time value + * + * Set the device clock to the user input value. The conversion from timespec + * to ns happens in the write function. + **/ +static int i40e_ptp_settime(struct ptp_clock_info *ptp, + const struct timespec *ts) +{ + struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); + unsigned long flags; + + spin_lock_irqsave(&pf->tmreg_lock, flags); + i40e_ptp_write(pf, ts); + spin_unlock_irqrestore(&pf->tmreg_lock, flags); + + return 0; +} + +/** + * i40e_ptp_enable - Enable/disable ancillary features of the PHC subsystem + * @ptp: The PTP clock structure + * @rq: The requested feature to change + * @on: Enable/disable flag + * + * The XL710 does not support any of the ancillary features of the PHC + * subsystem, so this function may just return. + **/ +static int i40e_ptp_enable(struct ptp_clock_info *ptp, + struct ptp_clock_request *rq, int on) +{ + return -EOPNOTSUPP; +} + +/** + * i40e_ptp_rx_hang - Detect error case when Rx timestamp registers are hung + * @vsi: The VSI with the rings relevant to 1588 + * + * This watchdog task is scheduled to detect error case where hardware has + * dropped an Rx packet that was timestamped when the ring is full. The + * particular error is rare but leaves the device in a state unable to timestamp + * any future packets. + **/ +void i40e_ptp_rx_hang(struct i40e_vsi *vsi) +{ + struct i40e_pf *pf = vsi->back; + struct i40e_hw *hw = &pf->hw; + struct i40e_ring *rx_ring; + unsigned long rx_event; + u32 prttsyn_stat; + int n; + + if (pf->flags & I40E_FLAG_PTP) + return; + + prttsyn_stat = rd32(hw, I40E_PRTTSYN_STAT_1); + + /* Unless all four receive timestamp registers are latched, we are not + * concerned about a possible PTP Rx hang, so just update the timeout + * counter and exit. + */ + if (!(prttsyn_stat & ((I40E_PRTTSYN_STAT_1_RXT0_MASK << + I40E_PRTTSYN_STAT_1_RXT0_SHIFT) | + (I40E_PRTTSYN_STAT_1_RXT1_MASK << + I40E_PRTTSYN_STAT_1_RXT1_SHIFT) | + (I40E_PRTTSYN_STAT_1_RXT2_MASK << + I40E_PRTTSYN_STAT_1_RXT2_SHIFT) | + (I40E_PRTTSYN_STAT_1_RXT3_MASK << + I40E_PRTTSYN_STAT_1_RXT3_SHIFT)))) { + pf->last_rx_ptp_check = jiffies; + return; + } + + /* Determine the most recent watchdog or rx_timestamp event. */ + rx_event = pf->last_rx_ptp_check; + for (n = 0; n < vsi->num_queue_pairs; n++) { + rx_ring = vsi->rx_rings[n]; + if (time_after(rx_ring->last_rx_timestamp, rx_event)) + rx_event = rx_ring->last_rx_timestamp; + } + + /* Only need to read the high RXSTMP register to clear the lock */ + if (time_is_before_jiffies(rx_event + 5 * HZ)) { + rd32(hw, I40E_PRTTSYN_RXTIME_H(0)); + rd32(hw, I40E_PRTTSYN_RXTIME_H(1)); + rd32(hw, I40E_PRTTSYN_RXTIME_H(2)); + rd32(hw, I40E_PRTTSYN_RXTIME_H(3)); + pf->last_rx_ptp_check = jiffies; + pf->rx_hwtstamp_cleared++; + dev_warn(&vsi->back->pdev->dev, + "%s: clearing Rx timestamp hang\n", + __func__); + } +} + +/** + * i40e_ptp_tx_hwtstamp - Utility function which returns the Tx timestamp + * @pf: Board private structure + * + * Read the value of the Tx timestamp from the registers, convert it into a + * value consumable by the stack, and store that result into the shhwtstamps + * struct before returning it up the stack. + **/ +void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf) +{ + struct skb_shared_hwtstamps shhwtstamps; + struct i40e_hw *hw = &pf->hw; + u32 hi, lo; + u64 ns; + + lo = rd32(hw, I40E_PRTTSYN_TXTIME_L); + hi = rd32(hw, I40E_PRTTSYN_TXTIME_H); + + ns = (((u64)hi) << 32) | lo; + + i40e_ptp_convert_to_hwtstamp(&shhwtstamps, ns); + skb_tstamp_tx(pf->ptp_tx_skb, &shhwtstamps); + dev_kfree_skb_any(pf->ptp_tx_skb); + pf->ptp_tx_skb = NULL; +} + +/** + * i40e_ptp_rx_hwtstamp - Utility function which checks for an Rx timestamp + * @pf: Board private structure + * @skb: Particular skb to send timestamp with + * @index: Index into the receive timestamp registers for the timestamp + * + * The XL710 receives a notification in the receive descriptor with an offset + * into the set of RXTIME registers where the timestamp is for that skb. This + * function goes and fetches the receive timestamp from that offset, if a valid + * one exists. The RXTIME registers are in ns, so we must convert the result + * first. + **/ +void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index) +{ + u32 prttsyn_stat, hi, lo; + struct i40e_hw *hw; + u64 ns; + + /* Since we cannot turn off the Rx timestamp logic if the device is + * doing Tx timestamping, check if Rx timestamping is configured. + */ + if (!pf->ptp_rx) + return; + + hw = &pf->hw; + + prttsyn_stat = rd32(hw, I40E_PRTTSYN_STAT_1); + + if (!(prttsyn_stat & (1 << index))) + return; + + lo = rd32(hw, I40E_PRTTSYN_RXTIME_L(index)); + hi = rd32(hw, I40E_PRTTSYN_RXTIME_H(index)); + + ns = (((u64)hi) << 32) | lo; + + i40e_ptp_convert_to_hwtstamp(skb_hwtstamps(skb), ns); +} + +/** + * i40e_ptp_set_increment - Utility function to update clock increment rate + * @pf: Board private structure + * + * During a link change, the DMA frequency that drives the 1588 logic will + * change. In order to keep the PRTTSYN_TIME registers in units of nanoseconds, + * we must update the increment value per clock tick. + **/ +void i40e_ptp_set_increment(struct i40e_pf *pf) +{ + struct i40e_link_status *hw_link_info; + struct i40e_hw *hw = &pf->hw; + u64 incval; + + hw_link_info = &hw->phy.link_info; + + i40e_aq_get_link_info(&pf->hw, true, NULL, NULL); + + switch (hw_link_info->link_speed) { + case I40E_LINK_SPEED_10GB: + incval = I40E_PTP_10GB_INCVAL; + break; + case I40E_LINK_SPEED_1GB: + incval = I40E_PTP_1GB_INCVAL; + break; + case I40E_LINK_SPEED_100MB: + dev_warn(&pf->pdev->dev, + "%s: 1588 functionality is not supported at 100 Mbps. Stopping the PHC.\n", + __func__); + incval = 0; + break; + case I40E_LINK_SPEED_40GB: + default: + incval = I40E_PTP_40GB_INCVAL; + break; + } + + /* Write the new increment value into the increment register. The + * hardware will not update the clock until both registers have been + * written. + */ + wr32(hw, I40E_PRTTSYN_INC_L, incval & 0xFFFFFFFF); + wr32(hw, I40E_PRTTSYN_INC_H, incval >> 32); + + /* Update the base adjustement value. */ + ACCESS_ONCE(pf->ptp_base_adj) = incval; + smp_mb(); /* Force the above update. */ +} + +/** + * i40e_ptp_get_ts_config - ioctl interface to read the HW timestamping + * @pf: Board private structure + * @ifreq: ioctl data + * + * Obtain the current hardware timestamping settigs as requested. To do this, + * keep a shadow copy of the timestamp settings rather than attempting to + * deconstruct it from the registers. + **/ +int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr) +{ + struct hwtstamp_config *config = &pf->tstamp_config; + + return copy_to_user(ifr->ifr_data, config, sizeof(*config)) ? + -EFAULT : 0; +} + +/** + * i40e_ptp_set_ts_config - ioctl interface to control the HW timestamping + * @pf: Board private structure + * @ifreq: ioctl data + * + * Respond to the user filter requests and make the appropriate hardware + * changes here. The XL710 cannot support splitting of the Tx/Rx timestamping + * logic, so keep track in software of whether to indicate these timestamps + * or not. + * + * It is permissible to "upgrade" the user request to a broader filter, as long + * as the user receives the timestamps they care about and the user is notified + * the filter has been broadened. + **/ +int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr) +{ + struct i40e_hw *hw = &pf->hw; + struct hwtstamp_config *config = &pf->tstamp_config; + u32 pf_id, tsyntype, regval; + + if (copy_from_user(config, ifr->ifr_data, sizeof(*config))) + return -EFAULT; + + /* Reserved for future extensions. */ + if (config->flags) + return -EINVAL; + + /* Confirm that 1588 is supported on this PF. */ + pf_id = (rd32(hw, I40E_PRTTSYN_CTL0) & I40E_PRTTSYN_CTL0_PF_ID_MASK) >> + I40E_PRTTSYN_CTL0_PF_ID_SHIFT; + if (hw->pf_id != pf_id) + return -EINVAL; + + switch (config->tx_type) { + case HWTSTAMP_TX_OFF: + pf->ptp_tx = false; + break; + case HWTSTAMP_TX_ON: + pf->ptp_tx = true; + break; + default: + return -ERANGE; + } + + switch (config->rx_filter) { + case HWTSTAMP_FILTER_NONE: + pf->ptp_rx = false; + tsyntype = 0; + break; + case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: + case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: + case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: + pf->ptp_rx = true; + tsyntype = I40E_PRTTSYN_CTL1_V1MESSTYPE0_MASK | + I40E_PRTTSYN_CTL1_TSYNTYPE_V1 | + I40E_PRTTSYN_CTL1_UDP_ENA_MASK; + config->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT; + break; + case HWTSTAMP_FILTER_PTP_V2_EVENT: + case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: + case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: + case HWTSTAMP_FILTER_PTP_V2_SYNC: + case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: + case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: + case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: + case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: + case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: + pf->ptp_rx = true; + tsyntype = I40E_PRTTSYN_CTL1_V2MESSTYPE0_MASK | + I40E_PRTTSYN_CTL1_TSYNTYPE_V2 | + I40E_PRTTSYN_CTL1_UDP_ENA_MASK; + config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; + break; + case HWTSTAMP_FILTER_ALL: + default: + return -ERANGE; + } + + /* Clear out all 1588-related registers to clear and unlatch them. */ + rd32(hw, I40E_PRTTSYN_STAT_0); + rd32(hw, I40E_PRTTSYN_TXTIME_H); + rd32(hw, I40E_PRTTSYN_RXTIME_H(0)); + rd32(hw, I40E_PRTTSYN_RXTIME_H(1)); + rd32(hw, I40E_PRTTSYN_RXTIME_H(2)); + rd32(hw, I40E_PRTTSYN_RXTIME_H(3)); + + /* Enable/disable the Tx timestamp interrupt based on user input. */ + regval = rd32(hw, I40E_PRTTSYN_CTL0); + if (pf->ptp_tx) + regval |= I40E_PRTTSYN_CTL0_TXTIME_INT_ENA_MASK; + else + regval &= ~I40E_PRTTSYN_CTL0_TXTIME_INT_ENA_MASK; + wr32(hw, I40E_PRTTSYN_CTL0, regval); + + regval = rd32(hw, I40E_PFINT_ICR0_ENA); + if (pf->ptp_tx) + regval |= I40E_PFINT_ICR0_ENA_TIMESYNC_MASK; + else + regval &= ~I40E_PFINT_ICR0_ENA_TIMESYNC_MASK; + wr32(hw, I40E_PFINT_ICR0_ENA, regval); + + /* There is no simple on/off switch for Rx. To "disable" Rx support, + * ignore any received timestamps, rather than turn off the clock. + */ + if (pf->ptp_rx) { + regval = rd32(hw, I40E_PRTTSYN_CTL1); + /* clear everything but the enable bit */ + regval &= I40E_PRTTSYN_CTL1_TSYNENA_MASK; + /* now enable bits for desired Rx timestamps */ + regval |= tsyntype; + wr32(hw, I40E_PRTTSYN_CTL1, regval); + } + + return copy_to_user(ifr->ifr_data, config, sizeof(*config)) ? + -EFAULT : 0; +} + +/** + * i40e_ptp_init - Initialize the 1588 support and register the PHC + * @pf: Board private structure + * + * This function registers the device clock as a PHC. If it is successful, it + * starts the clock in the hardware. + **/ +void i40e_ptp_init(struct i40e_pf *pf) +{ + struct i40e_hw *hw = &pf->hw; + struct net_device *netdev = pf->vsi[pf->lan_vsi]->netdev; + + strncpy(pf->ptp_caps.name, "i40e", sizeof(pf->ptp_caps.name)); + pf->ptp_caps.owner = THIS_MODULE; + pf->ptp_caps.max_adj = 999999999; + pf->ptp_caps.n_ext_ts = 0; + pf->ptp_caps.pps = 0; + pf->ptp_caps.adjfreq = i40e_ptp_adjfreq; + pf->ptp_caps.adjtime = i40e_ptp_adjtime; + pf->ptp_caps.gettime = i40e_ptp_gettime; + pf->ptp_caps.settime = i40e_ptp_settime; + pf->ptp_caps.enable = i40e_ptp_enable; + + /* Attempt to register the clock before enabling the hardware. */ + pf->ptp_clock = ptp_clock_register(&pf->ptp_caps, &pf->pdev->dev); + if (IS_ERR(pf->ptp_clock)) { + pf->ptp_clock = NULL; + dev_err(&pf->pdev->dev, "%s: ptp_clock_register failed\n", + __func__); + } else { + struct timespec ts; + u32 regval; + + spin_lock_init(&pf->tmreg_lock); + + dev_info(&pf->pdev->dev, "%s: added PHC on %s\n", __func__, + netdev->name); + pf->flags |= I40E_FLAG_PTP; + + /* Ensure the clocks are running. */ + regval = rd32(hw, I40E_PRTTSYN_CTL0); + regval |= I40E_PRTTSYN_CTL0_TSYNENA_MASK; + wr32(hw, I40E_PRTTSYN_CTL0, regval); + regval = rd32(hw, I40E_PRTTSYN_CTL1); + regval |= I40E_PRTTSYN_CTL1_TSYNENA_MASK; + wr32(hw, I40E_PRTTSYN_CTL1, regval); + + /* Set the increment value per clock tick. */ + i40e_ptp_set_increment(pf); + + /* reset the tstamp_config */ + memset(&pf->tstamp_config, 0, sizeof(pf->tstamp_config)); + + /* Set the clock value. */ + ts = ktime_to_timespec(ktime_get_real()); + i40e_ptp_settime(&pf->ptp_caps, &ts); + } +} + +/** + * i40e_ptp_stop - Disable the driver/hardware support and unregister the PHC + * @pf: Board private structure + * + * This function handles the cleanup work required from the initialization by + * clearing out the important information and unregistering the PHC. + **/ +void i40e_ptp_stop(struct i40e_pf *pf) +{ + pf->flags &= ~I40E_FLAG_PTP; + pf->ptp_tx = false; + pf->ptp_rx = false; + + if (pf->ptp_tx_skb) { + dev_kfree_skb_any(pf->ptp_tx_skb); + pf->ptp_tx_skb = NULL; + } + + if (pf->ptp_clock) { + ptp_clock_unregister(pf->ptp_clock); + pf->ptp_clock = NULL; + dev_info(&pf->pdev->dev, "%s: removed PHC on %s\n", __func__, + pf->vsi[pf->lan_vsi]->netdev->name); + } +} diff --git a/drivers/net/ethernet/intel/i40e/i40e_register.h b/drivers/net/ethernet/intel/i40e/i40e_register.h index 6bd333cde28..947de98500f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_register.h +++ b/drivers/net/ethernet/intel/i40e/i40e_register.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -28,6 +27,10 @@ #ifndef _I40E_REGISTER_H_ #define _I40E_REGISTER_H_ +#define I40E_GL_GP_FUSE(_i) (0x0009400C + ((_i) * 4)) /* _i=0...28 */ +#define I40E_GL_GP_FUSE_MAX_INDEX 28 +#define I40E_GL_GP_FUSE_GL_GP_FUSE_SHIFT 0 +#define I40E_GL_GP_FUSE_GL_GP_FUSE_MASK (0xFFFFFFFF << I40E_GL_GP_FUSE_GL_GP_FUSE_SHIFT) #define I40E_GLPCI_PM_MUX_NPQ 0x0009C4F4 #define I40E_GLPCI_PM_MUX_NPQ_NPQ_NUM_PORT_SEL_SHIFT 0 #define I40E_GLPCI_PM_MUX_NPQ_NPQ_NUM_PORT_SEL_MASK (0x7 << I40E_GLPCI_PM_MUX_NPQ_NPQ_NUM_PORT_SEL_SHIFT) @@ -38,6 +41,11 @@ #define I40E_GLPCI_PM_MUX_PFB_PFB_PORT_SEL_MASK (0x1F << I40E_GLPCI_PM_MUX_PFB_PFB_PORT_SEL_SHIFT) #define I40E_GLPCI_PM_MUX_PFB_INNER_PORT_SEL_SHIFT 16 #define I40E_GLPCI_PM_MUX_PFB_INNER_PORT_SEL_MASK (0x7 << I40E_GLPCI_PM_MUX_PFB_INNER_PORT_SEL_SHIFT) +#define I40E_GLPCI_PQ_MAX_USED_SPC 0x0009C4EC +#define I40E_GLPCI_PQ_MAX_USED_SPC_GLPCI_PQ_MAX_USED_SPC_12_SHIFT 0 +#define I40E_GLPCI_PQ_MAX_USED_SPC_GLPCI_PQ_MAX_USED_SPC_12_MASK (0xFF << I40E_GLPCI_PQ_MAX_USED_SPC_GLPCI_PQ_MAX_USED_SPC_12_SHIFT) +#define I40E_GLPCI_PQ_MAX_USED_SPC_GLPCI_PQ_MAX_USED_SPC_13_SHIFT 8 +#define I40E_GLPCI_PQ_MAX_USED_SPC_GLPCI_PQ_MAX_USED_SPC_13_MASK (0xFF << I40E_GLPCI_PQ_MAX_USED_SPC_GLPCI_PQ_MAX_USED_SPC_13_SHIFT) #define I40E_GLPCI_SPARE_BITS_0 0x0009C4F8 #define I40E_GLPCI_SPARE_BITS_0_SPARE_BITS_SHIFT 0 #define I40E_GLPCI_SPARE_BITS_0_SPARE_BITS_MASK (0xFFFFFFFF << I40E_GLPCI_SPARE_BITS_0_SPARE_BITS_SHIFT) @@ -50,9 +58,14 @@ #define I40E_PFPCI_VF_FLUSH_DONE 0x0009C600 #define I40E_PFPCI_VF_FLUSH_DONE_FLUSH_DONE_SHIFT 0 #define I40E_PFPCI_VF_FLUSH_DONE_FLUSH_DONE_MASK (0x1 << I40E_PFPCI_VF_FLUSH_DONE_FLUSH_DONE_SHIFT) +#define I40E_PFPCI_VF_FLUSH_DONE1(_VF) (0x0009C600 + ((_VF) * 4)) /* _i=0...127 */ +#define I40E_PFPCI_VF_FLUSH_DONE1_MAX_INDEX 127 +#define I40E_PFPCI_VF_FLUSH_DONE1_FLUSH_DONE_SHIFT 0 +#define I40E_PFPCI_VF_FLUSH_DONE1_FLUSH_DONE_MASK (0x1 << I40E_PFPCI_VF_FLUSH_DONE1_FLUSH_DONE_SHIFT) #define I40E_PFPCI_VM_FLUSH_DONE 0x0009C880 #define I40E_PFPCI_VM_FLUSH_DONE_FLUSH_DONE_SHIFT 0 #define I40E_PFPCI_VM_FLUSH_DONE_FLUSH_DONE_MASK (0x1 << I40E_PFPCI_VM_FLUSH_DONE_FLUSH_DONE_SHIFT) + #define I40E_PF_ARQBAH 0x00080180 #define I40E_PF_ARQBAH_ARQBAH_SHIFT 0 #define I40E_PF_ARQBAH_ARQBAH_MASK (0xFFFFFFFF << I40E_PF_ARQBAH_ARQBAH_SHIFT) @@ -837,7 +850,7 @@ #define I40E_GLHMC_PEQ1FLCNT_FPMPEQ1FLCNT_MASK (0x1FFFFFFF << I40E_GLHMC_PEQ1FLCNT_FPMPEQ1FLCNT_SHIFT) #define I40E_GLHMC_PEQ1FLMAX 0x000C2058 #define I40E_GLHMC_PEQ1FLMAX_PMPEQ1FLMAX_SHIFT 0 -#define I40E_GLHMC_PEQ1FLMAX_PMPEQ1FLMAX_MASK (0x3FFFFF << I40E_GLHMC_PEQ1FLMAX_PMPEQ1FLMAX_SHIFT) +#define I40E_GLHMC_PEQ1FLMAX_PMPEQ1FLMAX_MASK (0x3FFFFFF << I40E_GLHMC_PEQ1FLMAX_PMPEQ1FLMAX_SHIFT) #define I40E_GLHMC_PEQ1MAX 0x000C2054 #define I40E_GLHMC_PEQ1MAX_PMPEQ1MAX_SHIFT 0 #define I40E_GLHMC_PEQ1MAX_PMPEQ1MAX_MASK (0x3FFFFFF << I40E_GLHMC_PEQ1MAX_PMPEQ1MAX_SHIFT) @@ -903,7 +916,7 @@ #define I40E_GLHMC_PEXFFLCNT_FPMPEXFFLCNT_MASK (0x1FFFFFFF << I40E_GLHMC_PEXFFLCNT_FPMPEXFFLCNT_SHIFT) #define I40E_GLHMC_PEXFFLMAX 0x000C204c #define I40E_GLHMC_PEXFFLMAX_PMPEXFFLMAX_SHIFT 0 -#define I40E_GLHMC_PEXFFLMAX_PMPEXFFLMAX_MASK (0x3FFFFF << I40E_GLHMC_PEXFFLMAX_PMPEXFFLMAX_SHIFT) +#define I40E_GLHMC_PEXFFLMAX_PMPEXFFLMAX_MASK (0x1FFFFFF << I40E_GLHMC_PEXFFLMAX_PMPEXFFLMAX_SHIFT) #define I40E_GLHMC_PEXFMAX 0x000C2048 #define I40E_GLHMC_PEXFMAX_PMPEXFMAX_SHIFT 0 #define I40E_GLHMC_PEXFMAX_PMPEXFMAX_MASK (0x3FFFFFF << I40E_GLHMC_PEXFMAX_PMPEXFMAX_SHIFT) @@ -1327,8 +1340,6 @@ #define I40E_PFINT_ICR0_GPIO_MASK (0x1 << I40E_PFINT_ICR0_GPIO_SHIFT) #define I40E_PFINT_ICR0_TIMESYNC_SHIFT 23 #define I40E_PFINT_ICR0_TIMESYNC_MASK (0x1 << I40E_PFINT_ICR0_TIMESYNC_SHIFT) -#define I40E_PFINT_ICR0_STORM_DETECT_SHIFT 24 -#define I40E_PFINT_ICR0_STORM_DETECT_MASK (0x1 << I40E_PFINT_ICR0_STORM_DETECT_SHIFT) #define I40E_PFINT_ICR0_LINK_STAT_CHANGE_SHIFT 25 #define I40E_PFINT_ICR0_LINK_STAT_CHANGE_MASK (0x1 << I40E_PFINT_ICR0_LINK_STAT_CHANGE_SHIFT) #define I40E_PFINT_ICR0_HMC_ERR_SHIFT 26 @@ -1354,8 +1365,6 @@ #define I40E_PFINT_ICR0_ENA_GPIO_MASK (0x1 << I40E_PFINT_ICR0_ENA_GPIO_SHIFT) #define I40E_PFINT_ICR0_ENA_TIMESYNC_SHIFT 23 #define I40E_PFINT_ICR0_ENA_TIMESYNC_MASK (0x1 << I40E_PFINT_ICR0_ENA_TIMESYNC_SHIFT) -#define I40E_PFINT_ICR0_ENA_STORM_DETECT_SHIFT 24 -#define I40E_PFINT_ICR0_ENA_STORM_DETECT_MASK (0x1 << I40E_PFINT_ICR0_ENA_STORM_DETECT_SHIFT) #define I40E_PFINT_ICR0_ENA_LINK_STAT_CHANGE_SHIFT 25 #define I40E_PFINT_ICR0_ENA_LINK_STAT_CHANGE_MASK (0x1 << I40E_PFINT_ICR0_ENA_LINK_STAT_CHANGE_SHIFT) #define I40E_PFINT_ICR0_ENA_HMC_ERR_SHIFT 26 @@ -1576,6 +1585,14 @@ #define I40E_GLLAN_TSOMSK_M 0x000442DC #define I40E_GLLAN_TSOMSK_M_TCPMSKM_SHIFT 0 #define I40E_GLLAN_TSOMSK_M_TCPMSKM_MASK (0xFFF << I40E_GLLAN_TSOMSK_M_TCPMSKM_SHIFT) +#define I40E_GLLAN_TXPRE_QDIS(_i) (0x000E6500 + ((_i) * 4)) /* i=0..11 */ +#define I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT 0 +#define I40E_GLLAN_TXPRE_QDIS_QINDX_MASK (0x7FF << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT) +#define I40E_GLLAN_TXPRE_QDIS_SET_QDIS_SHIFT 30 +#define I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK (0x1 << I40E_GLLAN_TXPRE_QDIS_SET_QDIS_SHIFT) +#define I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_SHIFT 31 +#define I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_MASK (0x1 << I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_SHIFT) + #define I40E_PFLAN_QALLOC 0x001C0400 #define I40E_PFLAN_QALLOC_FIRSTQ_SHIFT 0 #define I40E_PFLAN_QALLOC_FIRSTQ_MASK (0x7FF << I40E_PFLAN_QALLOC_FIRSTQ_SHIFT) @@ -1636,7 +1653,7 @@ #define I40E_VSILAN_QBASE_VSIQTABLE_ENA_SHIFT 11 #define I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK (0x1 << I40E_VSILAN_QBASE_VSIQTABLE_ENA_SHIFT) #define I40E_VSILAN_QTABLE(_i, _VSI) (0x00200000 + ((_i) * 2048 + (_VSI) * 4)) -#define I40E_VSILAN_QTABLE_MAX_INDEX 15 +#define I40E_VSILAN_QTABLE_MAX_INDEX 7 #define I40E_VSILAN_QTABLE_QINDEX_0_SHIFT 0 #define I40E_VSILAN_QTABLE_QINDEX_0_MASK (0x7FF << I40E_VSILAN_QTABLE_QINDEX_0_SHIFT) #define I40E_VSILAN_QTABLE_QINDEX_1_SHIFT 16 @@ -1773,16 +1790,20 @@ #define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_SHIFT 14 #define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_MASK (0x3 << I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_SHIFT) #define I40E_GL_MNG_FWSM 0x000B6134 -#define I40E_GL_MNG_FWSM_FW_MODES_SHIFT 0 -#define I40E_GL_MNG_FWSM_FW_MODES_MASK (0x3FF << I40E_GL_MNG_FWSM_FW_MODES_SHIFT) -#define I40E_GL_MNG_FWSM_EEP_RELOAD_IND_SHIFT 10 +#define I40E_GL_MNG_FWSM_FW_MODES_SHIFT 1 +#define I40E_GL_MNG_FWSM_FW_MODES_MASK (0x7 << I40E_GL_MNG_FWSM_FW_MODES_SHIFT) +#define I40E_GL_MNG_FWSM_EEP_RELOAD_IND_SHIFT 6 #define I40E_GL_MNG_FWSM_EEP_RELOAD_IND_MASK (0x1 << I40E_GL_MNG_FWSM_EEP_RELOAD_IND_SHIFT) #define I40E_GL_MNG_FWSM_CRC_ERROR_MODULE_SHIFT 11 #define I40E_GL_MNG_FWSM_CRC_ERROR_MODULE_MASK (0xF << I40E_GL_MNG_FWSM_CRC_ERROR_MODULE_SHIFT) #define I40E_GL_MNG_FWSM_FW_STATUS_VALID_SHIFT 15 #define I40E_GL_MNG_FWSM_FW_STATUS_VALID_MASK (0x1 << I40E_GL_MNG_FWSM_FW_STATUS_VALID_SHIFT) +#define I40E_GL_MNG_FWSM_RESET_CNT_SHIFT 16 +#define I40E_GL_MNG_FWSM_RESET_CNT_MASK (0x7 << I40E_GL_MNG_FWSM_RESET_CNT_SHIFT) #define I40E_GL_MNG_FWSM_EXT_ERR_IND_SHIFT 19 #define I40E_GL_MNG_FWSM_EXT_ERR_IND_MASK (0x3F << I40E_GL_MNG_FWSM_EXT_ERR_IND_SHIFT) +#define I40E_GL_MNG_FWSM_RSVD_SHIFT 25 +#define I40E_GL_MNG_FWSM_RSVD_MASK (0x1 << I40E_GL_MNG_FWSM_RSVD_SHIFT) #define I40E_GL_MNG_FWSM_PHY_SERDES0_CONFIG_ERR_SHIFT 26 #define I40E_GL_MNG_FWSM_PHY_SERDES0_CONFIG_ERR_MASK (0x1 << I40E_GL_MNG_FWSM_PHY_SERDES0_CONFIG_ERR_SHIFT) #define I40E_GL_MNG_FWSM_PHY_SERDES1_CONFIG_ERR_SHIFT 27 @@ -2035,6 +2056,28 @@ #define I40E_GLNVM_SRDATA_WRDATA_MASK (0xFFFF << I40E_GLNVM_SRDATA_WRDATA_SHIFT) #define I40E_GLNVM_SRDATA_RDDATA_SHIFT 16 #define I40E_GLNVM_SRDATA_RDDATA_MASK (0xFFFF << I40E_GLNVM_SRDATA_RDDATA_SHIFT) +#define I40E_GLNVM_ULD 0x000B6008 +#define I40E_GLNVM_ULD_CONF_PCIR_DONE_SHIFT 0 +#define I40E_GLNVM_ULD_CONF_PCIR_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_PCIR_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_PCIRTL_DONE_SHIFT 1 +#define I40E_GLNVM_ULD_CONF_PCIRTL_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_PCIRTL_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_LCB_DONE_SHIFT 2 +#define I40E_GLNVM_ULD_CONF_LCB_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_LCB_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_CORE_DONE_SHIFT 3 +#define I40E_GLNVM_ULD_CONF_CORE_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_CORE_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_GLOBAL_DONE_SHIFT 4 +#define I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_GLOBAL_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_POR_DONE_SHIFT 5 +#define I40E_GLNVM_ULD_CONF_POR_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_POR_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_PCIE_ANA_DONE_SHIFT 6 +#define I40E_GLNVM_ULD_CONF_PCIE_ANA_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_PCIE_ANA_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_PHY_ANA_DONE_SHIFT 7 +#define I40E_GLNVM_ULD_CONF_PHY_ANA_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_PHY_ANA_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_EMP_DONE_SHIFT 8 +#define I40E_GLNVM_ULD_CONF_EMP_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_EMP_DONE_SHIFT) +#define I40E_GLNVM_ULD_CONF_PCIALT_DONE_SHIFT 9 +#define I40E_GLNVM_ULD_CONF_PCIALT_DONE_MASK (0x1 << I40E_GLNVM_ULD_CONF_PCIALT_DONE_SHIFT) + #define I40E_GLPCI_BYTCTH 0x0009C484 #define I40E_GLPCI_BYTCTH_PCI_COUNT_BW_BCT_SHIFT 0 #define I40E_GLPCI_BYTCTH_PCI_COUNT_BW_BCT_MASK (0xFFFFFFFF << I40E_GLPCI_BYTCTH_PCI_COUNT_BW_BCT_SHIFT) @@ -2170,6 +2213,12 @@ #define I40E_GLPCI_PCIERR 0x000BE4FC #define I40E_GLPCI_PCIERR_PCIE_ERR_REP_SHIFT 0 #define I40E_GLPCI_PCIERR_PCIE_ERR_REP_MASK (0xFFFFFFFF << I40E_GLPCI_PCIERR_PCIE_ERR_REP_SHIFT) +#define I40E_GLPCI_PCITEST2 0x000BE4BC +#define I40E_GLPCI_PCITEST2_IOV_TEST_MODE_SHIFT 0 +#define I40E_GLPCI_PCITEST2_IOV_TEST_MODE_MASK (0x1 << I40E_GLPCI_PCITEST2_IOV_TEST_MODE_SHIFT) +#define I40E_GLPCI_PCITEST2_TAG_ALLOC_SHIFT 1 +#define I40E_GLPCI_PCITEST2_TAG_ALLOC_MASK (0x1 << I40E_GLPCI_PCITEST2_TAG_ALLOC_SHIFT) + #define I40E_GLPCI_PKTCT 0x0009C4BC #define I40E_GLPCI_PKTCT_PCI_COUNT_BW_PCT_SHIFT 0 #define I40E_GLPCI_PKTCT_PCI_COUNT_BW_PCT_MASK (0xFFFFFFFF << I40E_GLPCI_PKTCT_PCI_COUNT_BW_PCT_SHIFT) @@ -2380,8 +2429,7 @@ #define I40E_PFPE_IPCONFIG0_PEIPID_MASK (0xFFFF << I40E_PFPE_IPCONFIG0_PEIPID_SHIFT) #define I40E_PFPE_IPCONFIG0_USEENTIREIDRANGE_SHIFT 16 #define I40E_PFPE_IPCONFIG0_USEENTIREIDRANGE_MASK (0x1 << I40E_PFPE_IPCONFIG0_USEENTIREIDRANGE_SHIFT) -#define I40E_PFPE_IPCONFIG0_USEUPPERIDRANGE_SHIFT 17 -#define I40E_PFPE_IPCONFIG0_USEUPPERIDRANGE_MASK (0x1 << I40E_PFPE_IPCONFIG0_USEUPPERIDRANGE_SHIFT) + #define I40E_PFPE_MRTEIDXMASK 0x00008600 #define I40E_PFPE_MRTEIDXMASK_MRTEIDXMASKBITS_SHIFT 0 #define I40E_PFPE_MRTEIDXMASK_MRTEIDXMASKBITS_MASK (0x1F << I40E_PFPE_MRTEIDXMASK_MRTEIDXMASKBITS_SHIFT) @@ -2460,8 +2508,6 @@ #define I40E_VFPE_IPCONFIG0_PEIPID_MASK (0xFFFF << I40E_VFPE_IPCONFIG0_PEIPID_SHIFT) #define I40E_VFPE_IPCONFIG0_USEENTIREIDRANGE_SHIFT 16 #define I40E_VFPE_IPCONFIG0_USEENTIREIDRANGE_MASK (0x1 << I40E_VFPE_IPCONFIG0_USEENTIREIDRANGE_SHIFT) -#define I40E_VFPE_IPCONFIG0_USEUPPERIDRANGE_SHIFT 17 -#define I40E_VFPE_IPCONFIG0_USEUPPERIDRANGE_MASK (0x1 << I40E_VFPE_IPCONFIG0_USEUPPERIDRANGE_SHIFT) #define I40E_VFPE_MRTEIDXMASK(_VF) (0x00003000 + ((_VF) * 4)) /* _i=0...127 */ #define I40E_VFPE_MRTEIDXMASK_MAX_INDEX 127 #define I40E_VFPE_MRTEIDXMASK_MRTEIDXMASKBITS_SHIFT 0 @@ -3141,30 +3187,6 @@ #define I40E_GLPES_VFUDPTXPKTSLO_MAX_INDEX 31 #define I40E_GLPES_VFUDPTXPKTSLO_UDPTXPKTSLO_SHIFT 0 #define I40E_GLPES_VFUDPTXPKTSLO_UDPTXPKTSLO_MASK (0xFFFFFFFF << I40E_GLPES_VFUDPTXPKTSLO_UDPTXPKTSLO_SHIFT) -#define I40E_GLPM_DMACR 0x000881F4 -#define I40E_GLPM_DMACR_DMACWT_SHIFT 0 -#define I40E_GLPM_DMACR_DMACWT_MASK (0xFFFF << I40E_GLPM_DMACR_DMACWT_SHIFT) -#define I40E_GLPM_DMACR_EXIT_DC_SHIFT 29 -#define I40E_GLPM_DMACR_EXIT_DC_MASK (0x1 << I40E_GLPM_DMACR_EXIT_DC_SHIFT) -#define I40E_GLPM_DMACR_LX_COALESCING_INDICATION_SHIFT 30 -#define I40E_GLPM_DMACR_LX_COALESCING_INDICATION_MASK (0x1 << I40E_GLPM_DMACR_LX_COALESCING_INDICATION_SHIFT) -#define I40E_GLPM_DMACR_DMAC_EN_SHIFT 31 -#define I40E_GLPM_DMACR_DMAC_EN_MASK (0x1 << I40E_GLPM_DMACR_DMAC_EN_SHIFT) -#define I40E_GLPM_LTRC 0x000BE500 -#define I40E_GLPM_LTRC_SLTRV_SHIFT 0 -#define I40E_GLPM_LTRC_SLTRV_MASK (0x3FF << I40E_GLPM_LTRC_SLTRV_SHIFT) -#define I40E_GLPM_LTRC_SSCALE_SHIFT 10 -#define I40E_GLPM_LTRC_SSCALE_MASK (0x7 << I40E_GLPM_LTRC_SSCALE_SHIFT) -#define I40E_GLPM_LTRC_LTRS_REQUIREMENT_SHIFT 15 -#define I40E_GLPM_LTRC_LTRS_REQUIREMENT_MASK (0x1 << I40E_GLPM_LTRC_LTRS_REQUIREMENT_SHIFT) -#define I40E_GLPM_LTRC_NSLTRV_SHIFT 16 -#define I40E_GLPM_LTRC_NSLTRV_MASK (0x3FF << I40E_GLPM_LTRC_NSLTRV_SHIFT) -#define I40E_GLPM_LTRC_NSSCALE_SHIFT 26 -#define I40E_GLPM_LTRC_NSSCALE_MASK (0x7 << I40E_GLPM_LTRC_NSSCALE_SHIFT) -#define I40E_GLPM_LTRC_LTR_SEND_SHIFT 30 -#define I40E_GLPM_LTRC_LTR_SEND_MASK (0x1 << I40E_GLPM_LTRC_LTR_SEND_SHIFT) -#define I40E_GLPM_LTRC_LTRNS_REQUIREMENT_SHIFT 31 -#define I40E_GLPM_LTRC_LTRNS_REQUIREMENT_MASK (0x1 << I40E_GLPM_LTRC_LTRNS_REQUIREMENT_SHIFT) #define I40E_PRTPM_EEE_STAT 0x001E4320 #define I40E_PRTPM_EEE_STAT_EEE_NEG_SHIFT 29 #define I40E_PRTPM_EEE_STAT_EEE_NEG_MASK (0x1 << I40E_PRTPM_EEE_STAT_EEE_NEG_SHIFT) @@ -3201,9 +3223,6 @@ #define I40E_PRTPM_GC_LCDMP_MASK (0x1 << I40E_PRTPM_GC_LCDMP_SHIFT) #define I40E_PRTPM_GC_LPLU_ASSERTED_SHIFT 31 #define I40E_PRTPM_GC_LPLU_ASSERTED_MASK (0x1 << I40E_PRTPM_GC_LPLU_ASSERTED_SHIFT) -#define I40E_PRTPM_HPTC 0x000AC800 -#define I40E_PRTPM_HPTC_HIGH_PRI_TC_SHIFT 0 -#define I40E_PRTPM_HPTC_HIGH_PRI_TC_MASK (0xFF << I40E_PRTPM_HPTC_HIGH_PRI_TC_SHIFT) #define I40E_PRTPM_RLPIC 0x001E43A0 #define I40E_PRTPM_RLPIC_ERLPIC_SHIFT 0 #define I40E_PRTPM_RLPIC_ERLPIC_MASK (0xFFFFFFFF << I40E_PRTPM_RLPIC_ERLPIC_SHIFT) @@ -3265,8 +3284,8 @@ #define I40E_GLQF_CTL_HTOEP_FCOE_MASK (0x1 << I40E_GLQF_CTL_HTOEP_FCOE_SHIFT) #define I40E_GLQF_CTL_PCNT_ALLOC_SHIFT 3 #define I40E_GLQF_CTL_PCNT_ALLOC_MASK (0x7 << I40E_GLQF_CTL_PCNT_ALLOC_SHIFT) -#define I40E_GLQF_CTL_DDPLPEN_SHIFT 7 -#define I40E_GLQF_CTL_DDPLPEN_MASK (0x1 << I40E_GLQF_CTL_DDPLPEN_SHIFT) +#define I40E_GLQF_CTL_RSVD_SHIFT 7 +#define I40E_GLQF_CTL_RSVD_MASK (0x1 << I40E_GLQF_CTL_RSVD_SHIFT) #define I40E_GLQF_CTL_MAXPEBLEN_SHIFT 8 #define I40E_GLQF_CTL_MAXPEBLEN_MASK (0x7 << I40E_GLQF_CTL_MAXPEBLEN_SHIFT) #define I40E_GLQF_CTL_MAXFCBLEN_SHIFT 11 @@ -3416,9 +3435,9 @@ #define I40E_PRTQF_FLX_PIT(_i) (0x00255200 + ((_i) * 32)) /* _i=0...8 */ #define I40E_PRTQF_FLX_PIT_MAX_INDEX 8 #define I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT 0 -#define I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK (0x3F << I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) -#define I40E_PRTQF_FLX_PIT_FSIZE_SHIFT 6 -#define I40E_PRTQF_FLX_PIT_FSIZE_MASK (0xF << I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) +#define I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK (0x1F << I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) +#define I40E_PRTQF_FLX_PIT_FSIZE_SHIFT 5 +#define I40E_PRTQF_FLX_PIT_FSIZE_MASK (0x1F << I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) #define I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT 10 #define I40E_PRTQF_FLX_PIT_DEST_OFF_MASK (0x3F << I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) #define I40E_VFQF_HENA1(_i, _VF) (0x00230800 + ((_i) * 1024 + (_VF) * 4)) @@ -3504,7 +3523,7 @@ #define I40E_VSIQF_CTL_PEMFRAG_ENA_SHIFT 5 #define I40E_VSIQF_CTL_PEMFRAG_ENA_MASK (0x1 << I40E_VSIQF_CTL_PEMFRAG_ENA_SHIFT) #define I40E_VSIQF_TCREGION(_i, _VSI) (0x00206000 + ((_i) * 2048 + (_VSI) * 4)) -#define I40E_VSIQF_TCREGION_MAX_INDEX 7 +#define I40E_VSIQF_TCREGION_MAX_INDEX 3 #define I40E_VSIQF_TCREGION_TC_OFFSET_SHIFT 0 #define I40E_VSIQF_TCREGION_TC_OFFSET_MASK (0x1FF << I40E_VSIQF_TCREGION_TC_OFFSET_SHIFT) #define I40E_VSIQF_TCREGION_TC_SIZE_SHIFT 9 @@ -3521,10 +3540,7 @@ #define I40E_GL_FCOEDDPC_MAX_INDEX 143 #define I40E_GL_FCOEDDPC_FCOEDDPC_SHIFT 0 #define I40E_GL_FCOEDDPC_FCOEDDPC_MASK (0xFFFFFFFF << I40E_GL_FCOEDDPC_FCOEDDPC_SHIFT) -#define I40E_GL_FCOEDDPEC(_i) (0x00314900 + ((_i) * 8)) /* _i=0...143 */ -#define I40E_GL_FCOEDDPEC_MAX_INDEX 143 -#define I40E_GL_FCOEDDPEC_CFOEDDPEC_SHIFT 0 -#define I40E_GL_FCOEDDPEC_CFOEDDPEC_MASK (0xFFFFFFFF << I40E_GL_FCOEDDPEC_CFOEDDPEC_SHIFT) +/* _i=0...143 */ #define I40E_GL_FCOEDIFEC(_i) (0x00318480 + ((_i) * 8)) /* _i=0...143 */ #define I40E_GL_FCOEDIFEC_MAX_INDEX 143 #define I40E_GL_FCOEDIFEC_FCOEDIFRC_SHIFT 0 @@ -4276,46 +4292,10 @@ #define I40E_PFPM_APM 0x000B8080 #define I40E_PFPM_APM_APME_SHIFT 0 #define I40E_PFPM_APM_APME_MASK (0x1 << I40E_PFPM_APM_APME_SHIFT) -#define I40E_PFPM_FHFT_DATA(_i, _j) (0x00060000 + ((_i) * 4096 + (_j) * 128)) -#define I40E_PFPM_FHFT_DATA_MAX_INDEX 7 -#define I40E_PFPM_FHFT_DATA_DWORD_SHIFT 0 -#define I40E_PFPM_FHFT_DATA_DWORD_MASK (0xFFFFFFFF << I40E_PFPM_FHFT_DATA_DWORD_SHIFT) #define I40E_PFPM_FHFT_LENGTH(_i) (0x0006A000 + ((_i) * 128)) /* _i=0...7 */ #define I40E_PFPM_FHFT_LENGTH_MAX_INDEX 7 #define I40E_PFPM_FHFT_LENGTH_LENGTH_SHIFT 0 #define I40E_PFPM_FHFT_LENGTH_LENGTH_MASK (0xFF << I40E_PFPM_FHFT_LENGTH_LENGTH_SHIFT) -#define I40E_PFPM_FHFT_MASK(_i, _j) (0x00068000 + ((_i) * 1024 + (_j) * 128)) -#define I40E_PFPM_FHFT_MASK_MAX_INDEX 7 -#define I40E_PFPM_FHFT_MASK_MASK_SHIFT 0 -#define I40E_PFPM_FHFT_MASK_MASK_MASK (0xFFFF << I40E_PFPM_FHFT_MASK_MASK_SHIFT) -#define I40E_PFPM_PROXYFC 0x00245A80 -#define I40E_PFPM_PROXYFC_PPROXYE_SHIFT 0 -#define I40E_PFPM_PROXYFC_PPROXYE_MASK (0x1 << I40E_PFPM_PROXYFC_PPROXYE_SHIFT) -#define I40E_PFPM_PROXYFC_EX_SHIFT 1 -#define I40E_PFPM_PROXYFC_EX_MASK (0x1 << I40E_PFPM_PROXYFC_EX_SHIFT) -#define I40E_PFPM_PROXYFC_ARP_SHIFT 4 -#define I40E_PFPM_PROXYFC_ARP_MASK (0x1 << I40E_PFPM_PROXYFC_ARP_SHIFT) -#define I40E_PFPM_PROXYFC_ARP_DIRECTED_SHIFT 5 -#define I40E_PFPM_PROXYFC_ARP_DIRECTED_MASK (0x1 << I40E_PFPM_PROXYFC_ARP_DIRECTED_SHIFT) -#define I40E_PFPM_PROXYFC_NS_SHIFT 9 -#define I40E_PFPM_PROXYFC_NS_MASK (0x1 << I40E_PFPM_PROXYFC_NS_SHIFT) -#define I40E_PFPM_PROXYFC_NS_DIRECTED_SHIFT 10 -#define I40E_PFPM_PROXYFC_NS_DIRECTED_MASK (0x1 << I40E_PFPM_PROXYFC_NS_DIRECTED_SHIFT) -#define I40E_PFPM_PROXYFC_MLD_SHIFT 12 -#define I40E_PFPM_PROXYFC_MLD_MASK (0x1 << I40E_PFPM_PROXYFC_MLD_SHIFT) -#define I40E_PFPM_PROXYS 0x00245B80 -#define I40E_PFPM_PROXYS_EX_SHIFT 1 -#define I40E_PFPM_PROXYS_EX_MASK (0x1 << I40E_PFPM_PROXYS_EX_SHIFT) -#define I40E_PFPM_PROXYS_ARP_SHIFT 4 -#define I40E_PFPM_PROXYS_ARP_MASK (0x1 << I40E_PFPM_PROXYS_ARP_SHIFT) -#define I40E_PFPM_PROXYS_ARP_DIRECTED_SHIFT 5 -#define I40E_PFPM_PROXYS_ARP_DIRECTED_MASK (0x1 << I40E_PFPM_PROXYS_ARP_DIRECTED_SHIFT) -#define I40E_PFPM_PROXYS_NS_SHIFT 9 -#define I40E_PFPM_PROXYS_NS_MASK (0x1 << I40E_PFPM_PROXYS_NS_SHIFT) -#define I40E_PFPM_PROXYS_NS_DIRECTED_SHIFT 10 -#define I40E_PFPM_PROXYS_NS_DIRECTED_MASK (0x1 << I40E_PFPM_PROXYS_NS_DIRECTED_SHIFT) -#define I40E_PFPM_PROXYS_MLD_SHIFT 12 -#define I40E_PFPM_PROXYS_MLD_MASK (0x1 << I40E_PFPM_PROXYS_MLD_SHIFT) #define I40E_PFPM_WUC 0x0006B200 #define I40E_PFPM_WUC_EN_APM_D0_SHIFT 5 #define I40E_PFPM_WUC_EN_APM_D0_MASK (0x1 << I40E_PFPM_WUC_EN_APM_D0_SHIFT) @@ -4536,21 +4516,21 @@ #define I40E_VFMSIX_PBA 0x00002000 #define I40E_VFMSIX_PBA_PENBIT_SHIFT 0 #define I40E_VFMSIX_PBA_PENBIT_MASK (0xFFFFFFFF << I40E_VFMSIX_PBA_PENBIT_SHIFT) -#define I40E_VFMSIX_TADD(_i) (0x00000008 + ((_i) * 16)) /* _i=0...16 */ +#define I40E_VFMSIX_TADD(_i) (0x00000000 + ((_i) * 16)) /* _i=0...16 */ #define I40E_VFMSIX_TADD_MAX_INDEX 16 #define I40E_VFMSIX_TADD_MSIXTADD10_SHIFT 0 #define I40E_VFMSIX_TADD_MSIXTADD10_MASK (0x3 << I40E_VFMSIX_TADD_MSIXTADD10_SHIFT) #define I40E_VFMSIX_TADD_MSIXTADD_SHIFT 2 #define I40E_VFMSIX_TADD_MSIXTADD_MASK (0x3FFFFFFF << I40E_VFMSIX_TADD_MSIXTADD_SHIFT) -#define I40E_VFMSIX_TMSG(_i) (0x0000000C + ((_i) * 16)) /* _i=0...16 */ +#define I40E_VFMSIX_TMSG(_i) (0x00000008 + ((_i) * 16)) /* _i=0...16 */ #define I40E_VFMSIX_TMSG_MAX_INDEX 16 #define I40E_VFMSIX_TMSG_MSIXTMSG_SHIFT 0 #define I40E_VFMSIX_TMSG_MSIXTMSG_MASK (0xFFFFFFFF << I40E_VFMSIX_TMSG_MSIXTMSG_SHIFT) -#define I40E_VFMSIX_TUADD(_i) (0x00000000 + ((_i) * 16)) /* _i=0...16 */ +#define I40E_VFMSIX_TUADD(_i) (0x00000004 + ((_i) * 16)) /* _i=0...16 */ #define I40E_VFMSIX_TUADD_MAX_INDEX 16 #define I40E_VFMSIX_TUADD_MSIXTUADD_SHIFT 0 #define I40E_VFMSIX_TUADD_MSIXTUADD_MASK (0xFFFFFFFF << I40E_VFMSIX_TUADD_MSIXTUADD_SHIFT) -#define I40E_VFMSIX_TVCTRL(_i) (0x00000004 + ((_i) * 16)) /* _i=0...16 */ +#define I40E_VFMSIX_TVCTRL(_i) (0x0000000C + ((_i) * 16)) /* _i=0...16 */ #define I40E_VFMSIX_TVCTRL_MAX_INDEX 16 #define I40E_VFMSIX_TVCTRL_MASK_SHIFT 0 #define I40E_VFMSIX_TVCTRL_MASK_MASK (0x1 << I40E_VFMSIX_TVCTRL_MASK_SHIFT) @@ -4610,8 +4590,6 @@ #define I40E_VFPE_IPCONFIG01_PEIPID_MASK (0xFFFF << I40E_VFPE_IPCONFIG01_PEIPID_SHIFT) #define I40E_VFPE_IPCONFIG01_USEENTIREIDRANGE_SHIFT 16 #define I40E_VFPE_IPCONFIG01_USEENTIREIDRANGE_MASK (0x1 << I40E_VFPE_IPCONFIG01_USEENTIREIDRANGE_SHIFT) -#define I40E_VFPE_IPCONFIG01_USEUPPERIDRANGE_SHIFT 17 -#define I40E_VFPE_IPCONFIG01_USEUPPERIDRANGE_MASK (0x1 << I40E_VFPE_IPCONFIG01_USEUPPERIDRANGE_SHIFT) #define I40E_VFPE_MRTEIDXMASK1 0x00009000 #define I40E_VFPE_MRTEIDXMASK1_MRTEIDXMASKBITS_SHIFT 0 #define I40E_VFPE_MRTEIDXMASK1_MRTEIDXMASKBITS_MASK (0x1F << I40E_VFPE_MRTEIDXMASK1_MRTEIDXMASKBITS_SHIFT) @@ -4684,5 +4662,13 @@ #define I40E_VFQF_HREGION_OVERRIDE_ENA_7_MASK (0x1 << I40E_VFQF_HREGION_OVERRIDE_ENA_7_SHIFT) #define I40E_VFQF_HREGION_REGION_7_SHIFT 29 #define I40E_VFQF_HREGION_REGION_7_MASK (0x7 << I40E_VFQF_HREGION_REGION_7_SHIFT) - +#define I40E_RCU_PST_FOC_ACCESS_STATUS 0x00270110 +#define I40E_RCU_PST_FOC_ACCESS_STATUS_WR_ACCESS_CNT_SHIFT 0 +#define I40E_RCU_PST_FOC_ACCESS_STATUS_WR_ACCESS_CNT_MASK (0xFF << I40E_RCU_PST_FOC_ACCESS_STATUS_WR_ACCESS_CNT_SHIFT) +#define I40E_RCU_PST_FOC_ACCESS_STATUS_RD_ACCESS_CNT_SHIFT 8 +#define I40E_RCU_PST_FOC_ACCESS_STATUS_RD_ACCESS_CNT_MASK (0xFF << I40E_RCU_PST_FOC_ACCESS_STATUS_RD_ACCESS_CNT_SHIFT) +#define I40E_RCU_PST_FOC_ACCESS_STATUS_ERR_CNT_SHIFT 16 +#define I40E_RCU_PST_FOC_ACCESS_STATUS_ERR_CNT_MASK (0xFF << I40E_RCU_PST_FOC_ACCESS_STATUS_ERR_CNT_SHIFT) +#define I40E_RCU_PST_FOC_ACCESS_STATUS_LAST_ERR_CODE_SHIFT 24 +#define I40E_RCU_PST_FOC_ACCESS_STATUS_LAST_ERR_CODE_MASK (0x7 << I40E_RCU_PST_FOC_ACCESS_STATUS_LAST_ERR_CODE_SHIFT) #endif diff --git a/drivers/net/ethernet/intel/i40e/i40e_status.h b/drivers/net/ethernet/intel/i40e/i40e_status.h index 5e5bcddac57..5f9cac55aa5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_status.h +++ b/drivers/net/ethernet/intel/i40e/i40e_status.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 49d2cfa9b0c..e49f31dbd5d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -25,7 +24,9 @@ * ******************************************************************************/ +#include <linux/prefetch.h> #include "i40e.h" +#include "i40e_prototype.h" static inline __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size, u32 td_tag) @@ -37,19 +38,22 @@ static inline __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size, ((u64)td_tag << I40E_TXD_QW1_L2TAG1_SHIFT)); } +#define I40E_TXD_CMD (I40E_TX_DESC_CMD_EOP | I40E_TX_DESC_CMD_RS) /** * i40e_program_fdir_filter - Program a Flow Director filter - * @fdir_input: Packet data that will be filter parameters + * @fdir_data: Packet data that will be filter parameters + * @raw_packet: the pre-allocated packet buffer for FDir * @pf: The pf pointer * @add: True for add/update, False for remove **/ -int i40e_program_fdir_filter(struct i40e_fdir_data *fdir_data, +int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, struct i40e_pf *pf, bool add) { struct i40e_filter_program_desc *fdir_desc; struct i40e_tx_buffer *tx_buf; struct i40e_tx_desc *tx_desc; struct i40e_ring *tx_ring; + unsigned int fpt, dcc; struct i40e_vsi *vsi; struct device *dev; dma_addr_t dma; @@ -58,98 +62,90 @@ int i40e_program_fdir_filter(struct i40e_fdir_data *fdir_data, /* find existing FDIR VSI */ vsi = NULL; - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) vsi = pf->vsi[i]; if (!vsi) return -ENOENT; - tx_ring = &vsi->tx_rings[0]; + tx_ring = vsi->tx_rings[0]; dev = tx_ring->dev; - dma = dma_map_single(dev, fdir_data->raw_packet, - I40E_FDIR_MAX_RAW_PACKET_LOOKUP, DMA_TO_DEVICE); + dma = dma_map_single(dev, raw_packet, + I40E_FDIR_MAX_RAW_PACKET_SIZE, DMA_TO_DEVICE); if (dma_mapping_error(dev, dma)) goto dma_fail; /* grab the next descriptor */ - fdir_desc = I40E_TX_FDIRDESC(tx_ring, tx_ring->next_to_use); - tx_buf = &tx_ring->tx_bi[tx_ring->next_to_use]; - tx_ring->next_to_use++; - if (tx_ring->next_to_use == tx_ring->count) - tx_ring->next_to_use = 0; + i = tx_ring->next_to_use; + fdir_desc = I40E_TX_FDIRDESC(tx_ring, i); + + tx_ring->next_to_use = (i + 1 < tx_ring->count) ? i + 1 : 0; - fdir_desc->qindex_flex_ptype_vsi = cpu_to_le32((fdir_data->q_index - << I40E_TXD_FLTR_QW0_QINDEX_SHIFT) - & I40E_TXD_FLTR_QW0_QINDEX_MASK); + fpt = (fdir_data->q_index << I40E_TXD_FLTR_QW0_QINDEX_SHIFT) & + I40E_TXD_FLTR_QW0_QINDEX_MASK; - fdir_desc->qindex_flex_ptype_vsi |= cpu_to_le32((fdir_data->flex_off - << I40E_TXD_FLTR_QW0_FLEXOFF_SHIFT) - & I40E_TXD_FLTR_QW0_FLEXOFF_MASK); + fpt |= (fdir_data->flex_off << I40E_TXD_FLTR_QW0_FLEXOFF_SHIFT) & + I40E_TXD_FLTR_QW0_FLEXOFF_MASK; - fdir_desc->qindex_flex_ptype_vsi |= cpu_to_le32((fdir_data->pctype - << I40E_TXD_FLTR_QW0_PCTYPE_SHIFT) - & I40E_TXD_FLTR_QW0_PCTYPE_MASK); + fpt |= (fdir_data->pctype << I40E_TXD_FLTR_QW0_PCTYPE_SHIFT) & + I40E_TXD_FLTR_QW0_PCTYPE_MASK; /* Use LAN VSI Id if not programmed by user */ if (fdir_data->dest_vsi == 0) - fdir_desc->qindex_flex_ptype_vsi |= - cpu_to_le32((pf->vsi[pf->lan_vsi]->id) - << I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT); + fpt |= (pf->vsi[pf->lan_vsi]->id) << + I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT; else - fdir_desc->qindex_flex_ptype_vsi |= - cpu_to_le32((fdir_data->dest_vsi - << I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) - & I40E_TXD_FLTR_QW0_DEST_VSI_MASK); + fpt |= ((u32)fdir_data->dest_vsi << + I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) & + I40E_TXD_FLTR_QW0_DEST_VSI_MASK; + + fdir_desc->qindex_flex_ptype_vsi = cpu_to_le32(fpt); - fdir_desc->dtype_cmd_cntindex = - cpu_to_le32(I40E_TX_DESC_DTYPE_FILTER_PROG); + dcc = I40E_TX_DESC_DTYPE_FILTER_PROG; if (add) - fdir_desc->dtype_cmd_cntindex |= cpu_to_le32( - I40E_FILTER_PROGRAM_DESC_PCMD_ADD_UPDATE - << I40E_TXD_FLTR_QW1_PCMD_SHIFT); + dcc |= I40E_FILTER_PROGRAM_DESC_PCMD_ADD_UPDATE << + I40E_TXD_FLTR_QW1_PCMD_SHIFT; else - fdir_desc->dtype_cmd_cntindex |= cpu_to_le32( - I40E_FILTER_PROGRAM_DESC_PCMD_REMOVE - << I40E_TXD_FLTR_QW1_PCMD_SHIFT); + dcc |= I40E_FILTER_PROGRAM_DESC_PCMD_REMOVE << + I40E_TXD_FLTR_QW1_PCMD_SHIFT; - fdir_desc->dtype_cmd_cntindex |= cpu_to_le32((fdir_data->dest_ctl - << I40E_TXD_FLTR_QW1_DEST_SHIFT) - & I40E_TXD_FLTR_QW1_DEST_MASK); + dcc |= (fdir_data->dest_ctl << I40E_TXD_FLTR_QW1_DEST_SHIFT) & + I40E_TXD_FLTR_QW1_DEST_MASK; - fdir_desc->dtype_cmd_cntindex |= cpu_to_le32( - (fdir_data->fd_status << I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT) - & I40E_TXD_FLTR_QW1_FD_STATUS_MASK); + dcc |= (fdir_data->fd_status << I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT) & + I40E_TXD_FLTR_QW1_FD_STATUS_MASK; if (fdir_data->cnt_index != 0) { - fdir_desc->dtype_cmd_cntindex |= - cpu_to_le32(I40E_TXD_FLTR_QW1_CNT_ENA_MASK); - fdir_desc->dtype_cmd_cntindex |= - cpu_to_le32((fdir_data->cnt_index - << I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) - & I40E_TXD_FLTR_QW1_CNTINDEX_MASK); + dcc |= I40E_TXD_FLTR_QW1_CNT_ENA_MASK; + dcc |= ((u32)fdir_data->cnt_index << + I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) & + I40E_TXD_FLTR_QW1_CNTINDEX_MASK; } + fdir_desc->dtype_cmd_cntindex = cpu_to_le32(dcc); fdir_desc->fd_id = cpu_to_le32(fdir_data->fd_id); /* Now program a dummy descriptor */ - tx_desc = I40E_TX_DESC(tx_ring, tx_ring->next_to_use); - tx_buf = &tx_ring->tx_bi[tx_ring->next_to_use]; - tx_ring->next_to_use++; - if (tx_ring->next_to_use == tx_ring->count) - tx_ring->next_to_use = 0; + i = tx_ring->next_to_use; + tx_desc = I40E_TX_DESC(tx_ring, i); + tx_buf = &tx_ring->tx_bi[i]; + + tx_ring->next_to_use = (i + 1 < tx_ring->count) ? i + 1 : 0; + + /* record length, and DMA address */ + dma_unmap_len_set(tx_buf, len, I40E_FDIR_MAX_RAW_PACKET_SIZE); + dma_unmap_addr_set(tx_buf, dma, dma); tx_desc->buffer_addr = cpu_to_le64(dma); - td_cmd = I40E_TX_DESC_CMD_EOP | - I40E_TX_DESC_CMD_RS | - I40E_TX_DESC_CMD_DUMMY; + td_cmd = I40E_TXD_CMD | I40E_TX_DESC_CMD_DUMMY; tx_desc->cmd_type_offset_bsz = - build_ctob(td_cmd, 0, I40E_FDIR_MAX_RAW_PACKET_LOOKUP, 0); + build_ctob(td_cmd, 0, I40E_FDIR_MAX_RAW_PACKET_SIZE, 0); - /* Mark the data descriptor to be watched */ - tx_buf->next_to_watch = tx_desc; + /* set the timestamp */ + tx_buf->time_stamp = jiffies; /* Force memory writes to complete before letting h/w * know there are new descriptors to fetch. (Only @@ -158,6 +154,9 @@ int i40e_program_fdir_filter(struct i40e_fdir_data *fdir_data, */ wmb(); + /* Mark the data descriptor to be watched */ + tx_buf->next_to_watch = tx_desc; + writel(tx_ring->next_to_use, tx_ring->tail); return 0; @@ -165,50 +164,349 @@ dma_fail: return -1; } +#define IP_HEADER_OFFSET 14 +#define I40E_UDPIP_DUMMY_PACKET_LEN 42 +/** + * i40e_add_del_fdir_udpv4 - Add/Remove UDPv4 filters + * @vsi: pointer to the targeted VSI + * @fd_data: the flow director data required for the FDir descriptor + * @raw_packet: the pre-allocated packet buffer for FDir + * @add: true adds a filter, false removes it + * + * Returns 0 if the filters were successfully added or removed + **/ +static int i40e_add_del_fdir_udpv4(struct i40e_vsi *vsi, + struct i40e_fdir_filter *fd_data, + u8 *raw_packet, bool add) +{ + struct i40e_pf *pf = vsi->back; + struct udphdr *udp; + struct iphdr *ip; + bool err = false; + int ret; + static char packet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0, + 0x45, 0, 0, 0x1c, 0, 0, 0x40, 0, 0x40, 0x11, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + + memcpy(raw_packet, packet, I40E_UDPIP_DUMMY_PACKET_LEN); + + ip = (struct iphdr *)(raw_packet + IP_HEADER_OFFSET); + udp = (struct udphdr *)(raw_packet + IP_HEADER_OFFSET + + sizeof(struct iphdr)); + + ip->daddr = fd_data->dst_ip[0]; + udp->dest = fd_data->dst_port; + ip->saddr = fd_data->src_ip[0]; + udp->source = fd_data->src_port; + + fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP; + ret = i40e_program_fdir_filter(fd_data, raw_packet, pf, add); + if (ret) { + dev_info(&pf->pdev->dev, + "Filter command send failed for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + err = true; + } else { + dev_info(&pf->pdev->dev, + "Filter OK for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + } + + return err ? -EOPNOTSUPP : 0; +} + +#define I40E_TCPIP_DUMMY_PACKET_LEN 54 +/** + * i40e_add_del_fdir_tcpv4 - Add/Remove TCPv4 filters + * @vsi: pointer to the targeted VSI + * @fd_data: the flow director data required for the FDir descriptor + * @raw_packet: the pre-allocated packet buffer for FDir + * @add: true adds a filter, false removes it + * + * Returns 0 if the filters were successfully added or removed + **/ +static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi, + struct i40e_fdir_filter *fd_data, + u8 *raw_packet, bool add) +{ + struct i40e_pf *pf = vsi->back; + struct tcphdr *tcp; + struct iphdr *ip; + bool err = false; + int ret; + /* Dummy packet */ + static char packet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0, + 0x45, 0, 0, 0x28, 0, 0, 0x40, 0, 0x40, 0x6, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x80, 0x11, + 0x0, 0x72, 0, 0, 0, 0}; + + memcpy(raw_packet, packet, I40E_TCPIP_DUMMY_PACKET_LEN); + + ip = (struct iphdr *)(raw_packet + IP_HEADER_OFFSET); + tcp = (struct tcphdr *)(raw_packet + IP_HEADER_OFFSET + + sizeof(struct iphdr)); + + ip->daddr = fd_data->dst_ip[0]; + tcp->dest = fd_data->dst_port; + ip->saddr = fd_data->src_ip[0]; + tcp->source = fd_data->src_port; + + if (add) { + if (pf->flags & I40E_FLAG_FD_ATR_ENABLED) { + dev_info(&pf->pdev->dev, "Forcing ATR off, sideband rules for TCP/IPv4 flow being applied\n"); + pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; + } + } + + fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP; + ret = i40e_program_fdir_filter(fd_data, raw_packet, pf, add); + + if (ret) { + dev_info(&pf->pdev->dev, + "Filter command send failed for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + err = true; + } else { + dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + } + + fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP; + + ret = i40e_program_fdir_filter(fd_data, raw_packet, pf, add); + if (ret) { + dev_info(&pf->pdev->dev, + "Filter command send failed for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + err = true; + } else { + dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + } + + return err ? -EOPNOTSUPP : 0; +} + +/** + * i40e_add_del_fdir_sctpv4 - Add/Remove SCTPv4 Flow Director filters for + * a specific flow spec + * @vsi: pointer to the targeted VSI + * @fd_data: the flow director data required for the FDir descriptor + * @raw_packet: the pre-allocated packet buffer for FDir + * @add: true adds a filter, false removes it + * + * Always returns -EOPNOTSUPP + **/ +static int i40e_add_del_fdir_sctpv4(struct i40e_vsi *vsi, + struct i40e_fdir_filter *fd_data, + u8 *raw_packet, bool add) +{ + return -EOPNOTSUPP; +} + +#define I40E_IP_DUMMY_PACKET_LEN 34 +/** + * i40e_add_del_fdir_ipv4 - Add/Remove IPv4 Flow Director filters for + * a specific flow spec + * @vsi: pointer to the targeted VSI + * @fd_data: the flow director data required for the FDir descriptor + * @raw_packet: the pre-allocated packet buffer for FDir + * @add: true adds a filter, false removes it + * + * Returns 0 if the filters were successfully added or removed + **/ +static int i40e_add_del_fdir_ipv4(struct i40e_vsi *vsi, + struct i40e_fdir_filter *fd_data, + u8 *raw_packet, bool add) +{ + struct i40e_pf *pf = vsi->back; + struct iphdr *ip; + bool err = false; + int ret; + int i; + static char packet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0, + 0x45, 0, 0, 0x14, 0, 0, 0x40, 0, 0x40, 0x10, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0}; + + memcpy(raw_packet, packet, I40E_IP_DUMMY_PACKET_LEN); + ip = (struct iphdr *)(raw_packet + IP_HEADER_OFFSET); + + ip->saddr = fd_data->src_ip[0]; + ip->daddr = fd_data->dst_ip[0]; + ip->protocol = 0; + + for (i = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER; + i <= I40E_FILTER_PCTYPE_FRAG_IPV4; i++) { + fd_data->pctype = i; + ret = i40e_program_fdir_filter(fd_data, raw_packet, pf, add); + + if (ret) { + dev_info(&pf->pdev->dev, + "Filter command send failed for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + err = true; + } else { + dev_info(&pf->pdev->dev, + "Filter OK for PCTYPE %d (ret = %d)\n", + fd_data->pctype, ret); + } + } + + return err ? -EOPNOTSUPP : 0; +} + +/** + * i40e_add_del_fdir - Build raw packets to add/del fdir filter + * @vsi: pointer to the targeted VSI + * @cmd: command to get or set RX flow classification rules + * @add: true adds a filter, false removes it + * + **/ +int i40e_add_del_fdir(struct i40e_vsi *vsi, + struct i40e_fdir_filter *input, bool add) +{ + struct i40e_pf *pf = vsi->back; + u8 *raw_packet; + int ret; + + /* Populate the Flow Director that we have at the moment + * and allocate the raw packet buffer for the calling functions + */ + raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, GFP_KERNEL); + if (!raw_packet) + return -ENOMEM; + + switch (input->flow_type & ~FLOW_EXT) { + case TCP_V4_FLOW: + ret = i40e_add_del_fdir_tcpv4(vsi, input, raw_packet, + add); + break; + case UDP_V4_FLOW: + ret = i40e_add_del_fdir_udpv4(vsi, input, raw_packet, + add); + break; + case SCTP_V4_FLOW: + ret = i40e_add_del_fdir_sctpv4(vsi, input, raw_packet, + add); + break; + case IPV4_FLOW: + ret = i40e_add_del_fdir_ipv4(vsi, input, raw_packet, + add); + break; + case IP_USER_FLOW: + switch (input->ip4_proto) { + case IPPROTO_TCP: + ret = i40e_add_del_fdir_tcpv4(vsi, input, + raw_packet, add); + break; + case IPPROTO_UDP: + ret = i40e_add_del_fdir_udpv4(vsi, input, + raw_packet, add); + break; + case IPPROTO_SCTP: + ret = i40e_add_del_fdir_sctpv4(vsi, input, + raw_packet, add); + break; + default: + ret = i40e_add_del_fdir_ipv4(vsi, input, + raw_packet, add); + break; + } + break; + default: + dev_info(&pf->pdev->dev, "Could not specify spec type %d\n", + input->flow_type); + ret = -EINVAL; + } + + kfree(raw_packet); + return ret; +} + /** * i40e_fd_handle_status - check the Programming Status for FD * @rx_ring: the Rx ring for this descriptor - * @qw: the descriptor data + * @rx_desc: the Rx descriptor for programming Status, not a packet descriptor. * @prog_id: the id originally used for programming * * This is used to verify if the FD programming or invalidation * requested by SW to the HW is successful or not and take actions accordingly. **/ -static void i40e_fd_handle_status(struct i40e_ring *rx_ring, u32 qw, u8 prog_id) +static void i40e_fd_handle_status(struct i40e_ring *rx_ring, + union i40e_rx_desc *rx_desc, u8 prog_id) { - struct pci_dev *pdev = rx_ring->vsi->back->pdev; + struct i40e_pf *pf = rx_ring->vsi->back; + struct pci_dev *pdev = pf->pdev; + u32 fcnt_prog, fcnt_avail; u32 error; + u64 qw; + qw = le64_to_cpu(rx_desc->wb.qword1.status_error_len); error = (qw & I40E_RX_PROG_STATUS_DESC_QW1_ERROR_MASK) >> I40E_RX_PROG_STATUS_DESC_QW1_ERROR_SHIFT; - /* for now just print the Status */ - dev_info(&pdev->dev, "FD programming id %02x, Status %08x\n", - prog_id, error); + if (error == (0x1 << I40E_RX_PROG_STATUS_DESC_FD_TBL_FULL_SHIFT)) { + dev_warn(&pdev->dev, "ntuple filter loc = %d, could not be added\n", + rx_desc->wb.qword0.hi_dword.fd_id); + + /* filter programming failed most likely due to table full */ + fcnt_prog = i40e_get_current_fd_count(pf); + fcnt_avail = i40e_get_fd_cnt_all(pf); + /* If ATR is running fcnt_prog can quickly change, + * if we are very close to full, it makes sense to disable + * FD ATR/SB and then re-enable it when there is room. + */ + if (fcnt_prog >= (fcnt_avail - I40E_FDIR_BUFFER_FULL_MARGIN)) { + /* Turn off ATR first */ + if (pf->flags & I40E_FLAG_FD_ATR_ENABLED) { + pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; + dev_warn(&pdev->dev, "FD filter space full, ATR for further flows will be turned off\n"); + pf->auto_disable_flags |= + I40E_FLAG_FD_ATR_ENABLED; + pf->flags |= I40E_FLAG_FDIR_REQUIRES_REINIT; + } else if (pf->flags & I40E_FLAG_FD_SB_ENABLED) { + pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; + dev_warn(&pdev->dev, "FD filter space full, new ntuple rules will not be added\n"); + pf->auto_disable_flags |= + I40E_FLAG_FD_SB_ENABLED; + pf->flags |= I40E_FLAG_FDIR_REQUIRES_REINIT; + } + } else { + dev_info(&pdev->dev, "FD filter programming error\n"); + } + } else if (error == + (0x1 << I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT)) { + if (I40E_DEBUG_FD & pf->hw.debug_mask) + dev_info(&pdev->dev, "ntuple filter loc = %d, could not be removed\n", + rx_desc->wb.qword0.hi_dword.fd_id); + } } /** - * i40e_unmap_tx_resource - Release a Tx buffer + * i40e_unmap_and_free_tx_resource - Release a Tx buffer * @ring: the ring that owns the buffer * @tx_buffer: the buffer to free **/ -static inline void i40e_unmap_tx_resource(struct i40e_ring *ring, - struct i40e_tx_buffer *tx_buffer) +static void i40e_unmap_and_free_tx_resource(struct i40e_ring *ring, + struct i40e_tx_buffer *tx_buffer) { - if (tx_buffer->dma) { - if (tx_buffer->tx_flags & I40E_TX_FLAGS_MAPPED_AS_PAGE) - dma_unmap_page(ring->dev, - tx_buffer->dma, - tx_buffer->length, - DMA_TO_DEVICE); - else + if (tx_buffer->skb) { + dev_kfree_skb_any(tx_buffer->skb); + if (dma_unmap_len(tx_buffer, len)) dma_unmap_single(ring->dev, - tx_buffer->dma, - tx_buffer->length, + dma_unmap_addr(tx_buffer, dma), + dma_unmap_len(tx_buffer, len), DMA_TO_DEVICE); + } else if (dma_unmap_len(tx_buffer, len)) { + dma_unmap_page(ring->dev, + dma_unmap_addr(tx_buffer, dma), + dma_unmap_len(tx_buffer, len), + DMA_TO_DEVICE); } - tx_buffer->dma = 0; - tx_buffer->time_stamp = 0; + tx_buffer->next_to_watch = NULL; + tx_buffer->skb = NULL; + dma_unmap_len_set(tx_buffer, len, 0); + /* tx_buffer must be completely set up in the transmit path */ } /** @@ -217,7 +515,6 @@ static inline void i40e_unmap_tx_resource(struct i40e_ring *ring, **/ void i40e_clean_tx_ring(struct i40e_ring *tx_ring) { - struct i40e_tx_buffer *tx_buffer; unsigned long bi_size; u16 i; @@ -226,13 +523,8 @@ void i40e_clean_tx_ring(struct i40e_ring *tx_ring) return; /* Free all the Tx ring sk_buffs */ - for (i = 0; i < tx_ring->count; i++) { - tx_buffer = &tx_ring->tx_bi[i]; - i40e_unmap_tx_resource(tx_ring, tx_buffer); - if (tx_buffer->skb) - dev_kfree_skb_any(tx_buffer->skb); - tx_buffer->skb = NULL; - } + for (i = 0; i < tx_ring->count; i++) + i40e_unmap_and_free_tx_resource(tx_ring, &tx_ring->tx_bi[i]); bi_size = sizeof(struct i40e_tx_buffer) * tx_ring->count; memset(tx_ring->tx_bi, 0, bi_size); @@ -242,6 +534,13 @@ void i40e_clean_tx_ring(struct i40e_ring *tx_ring) tx_ring->next_to_use = 0; tx_ring->next_to_clean = 0; + + if (!tx_ring->netdev) + return; + + /* cleanup Tx queue statistics */ + netdev_tx_reset_queue(netdev_get_tx_queue(tx_ring->netdev, + tx_ring->queue_index)); } /** @@ -300,14 +599,14 @@ static bool i40e_check_tx_hang(struct i40e_ring *tx_ring) * run the check_tx_hang logic with a transmit completion * pending but without time to complete it yet. */ - if ((tx_ring->tx_stats.tx_done_old == tx_ring->tx_stats.packets) && + if ((tx_ring->tx_stats.tx_done_old == tx_ring->stats.packets) && tx_pending) { /* make sure it is true for two checks in a row */ ret = test_and_set_bit(__I40E_HANG_CHECK_ARMED, &tx_ring->state); } else { /* update completed stats and disarm the hang check */ - tx_ring->tx_stats.tx_done_old = tx_ring->tx_stats.packets; + tx_ring->tx_stats.tx_done_old = tx_ring->stats.packets; clear_bit(__I40E_HANG_CHECK_ARMED, &tx_ring->state); } @@ -315,6 +614,20 @@ static bool i40e_check_tx_hang(struct i40e_ring *tx_ring) } /** + * i40e_get_head - Retrieve head from head writeback + * @tx_ring: tx ring to fetch head of + * + * Returns value of Tx ring head based on value stored + * in head write-back location + **/ +static inline u32 i40e_get_head(struct i40e_ring *tx_ring) +{ + void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count; + + return le32_to_cpu(*(volatile __le32 *)head); +} + +/** * i40e_clean_tx_irq - Reclaim resources after transmit completes * @tx_ring: tx ring to clean * @budget: how many cleans we're allowed @@ -325,68 +638,96 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) { u16 i = tx_ring->next_to_clean; struct i40e_tx_buffer *tx_buf; + struct i40e_tx_desc *tx_head; struct i40e_tx_desc *tx_desc; unsigned int total_packets = 0; unsigned int total_bytes = 0; tx_buf = &tx_ring->tx_bi[i]; tx_desc = I40E_TX_DESC(tx_ring, i); + i -= tx_ring->count; - for (; budget; budget--) { - struct i40e_tx_desc *eop_desc; + tx_head = I40E_TX_DESC(tx_ring, i40e_get_head(tx_ring)); - eop_desc = tx_buf->next_to_watch; + do { + struct i40e_tx_desc *eop_desc = tx_buf->next_to_watch; /* if next_to_watch is not set then there is no work pending */ if (!eop_desc) break; - /* if the descriptor isn't done, no work yet to do */ - if (!(eop_desc->cmd_type_offset_bsz & - cpu_to_le64(I40E_TX_DESC_DTYPE_DESC_DONE))) + /* prevent any other reads prior to eop_desc */ + read_barrier_depends(); + + /* we have caught up to head, no work left to do */ + if (tx_head == tx_desc) break; - /* count the packet as being completed */ - tx_ring->tx_stats.completed++; + /* clear next_to_watch to prevent false hangs */ tx_buf->next_to_watch = NULL; - tx_buf->time_stamp = 0; - /* set memory barrier before eop_desc is verified */ - rmb(); + /* update the statistics for this packet */ + total_bytes += tx_buf->bytecount; + total_packets += tx_buf->gso_segs; - do { - i40e_unmap_tx_resource(tx_ring, tx_buf); + /* free the skb */ + dev_kfree_skb_any(tx_buf->skb); - /* clear dtype status */ - tx_desc->cmd_type_offset_bsz &= - ~cpu_to_le64(I40E_TXD_QW1_DTYPE_MASK); + /* unmap skb header data */ + dma_unmap_single(tx_ring->dev, + dma_unmap_addr(tx_buf, dma), + dma_unmap_len(tx_buf, len), + DMA_TO_DEVICE); - if (likely(tx_desc == eop_desc)) { - eop_desc = NULL; + /* clear tx_buffer data */ + tx_buf->skb = NULL; + dma_unmap_len_set(tx_buf, len, 0); - dev_kfree_skb_any(tx_buf->skb); - tx_buf->skb = NULL; - - total_bytes += tx_buf->bytecount; - total_packets += tx_buf->gso_segs; - } + /* unmap remaining buffers */ + while (tx_desc != eop_desc) { tx_buf++; tx_desc++; i++; - if (unlikely(i == tx_ring->count)) { - i = 0; + if (unlikely(!i)) { + i -= tx_ring->count; tx_buf = tx_ring->tx_bi; tx_desc = I40E_TX_DESC(tx_ring, 0); } - } while (eop_desc); - } + /* unmap any remaining paged data */ + if (dma_unmap_len(tx_buf, len)) { + dma_unmap_page(tx_ring->dev, + dma_unmap_addr(tx_buf, dma), + dma_unmap_len(tx_buf, len), + DMA_TO_DEVICE); + dma_unmap_len_set(tx_buf, len, 0); + } + } + + /* move us one more past the eop_desc for start of next pkt */ + tx_buf++; + tx_desc++; + i++; + if (unlikely(!i)) { + i -= tx_ring->count; + tx_buf = tx_ring->tx_bi; + tx_desc = I40E_TX_DESC(tx_ring, 0); + } + + /* update budget accounting */ + budget--; + } while (likely(budget)); + + i += tx_ring->count; tx_ring->next_to_clean = i; - tx_ring->tx_stats.bytes += total_bytes; - tx_ring->tx_stats.packets += total_packets; + u64_stats_update_begin(&tx_ring->syncp); + tx_ring->stats.bytes += total_bytes; + tx_ring->stats.packets += total_packets; + u64_stats_update_end(&tx_ring->syncp); tx_ring->q_vector->tx.total_bytes += total_bytes; tx_ring->q_vector->tx.total_packets += total_packets; + if (check_for_tx_hang(tx_ring) && i40e_check_tx_hang(tx_ring)) { /* schedule immediate reset if we believe we hung */ dev_info(tx_ring->dev, "Detected Tx Unit Hang\n" @@ -414,6 +755,10 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) return true; } + netdev_tx_completed_queue(netdev_get_tx_queue(tx_ring->netdev, + tx_ring->queue_index), + total_packets, total_bytes); + #define TX_WAKE_THRESHOLD (DESC_NEEDED * 2) if (unlikely(total_packets && netif_carrier_ok(tx_ring->netdev) && (I40E_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))) { @@ -524,8 +869,6 @@ static void i40e_update_dynamic_itr(struct i40e_q_vector *q_vector) i40e_set_new_dynamic_itr(&q_vector->tx); if (old_itr != q_vector->tx.itr) wr32(hw, reg_addr, q_vector->tx.itr); - - i40e_flush(hw); } /** @@ -549,7 +892,7 @@ static void i40e_clean_programming_status(struct i40e_ring *rx_ring, I40E_RX_PROG_STATUS_DESC_QW1_PROGID_SHIFT; if (id == I40E_RX_PROG_STATUS_DESC_FD_FILTER_STATUS) - i40e_fd_handle_status(rx_ring, qw, id); + i40e_fd_handle_status(rx_ring, rx_desc, id); } /** @@ -573,6 +916,10 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring) /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc); + /* add u32 for head writeback, align after this takes care of + * guaranteeing this is at least one cache line in size + */ + tx_ring->size += sizeof(u32); tx_ring->size = ALIGN(tx_ring->size, 4096); tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size, &tx_ring->dma, GFP_KERNEL); @@ -746,7 +1093,7 @@ void i40e_alloc_rx_buffers(struct i40e_ring *rx_ring, u16 cleaned_count) skb = netdev_alloc_skb_ip_align(rx_ring->netdev, rx_ring->rx_buf_len); if (!skb) { - rx_ring->rx_stats.alloc_rx_buff_failed++; + rx_ring->rx_stats.alloc_buff_failed++; goto no_buffers; } /* initialize queue mapping */ @@ -760,7 +1107,7 @@ void i40e_alloc_rx_buffers(struct i40e_ring *rx_ring, u16 cleaned_count) 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++; + rx_ring->rx_stats.alloc_buff_failed++; bi->dma = 0; goto no_buffers; } @@ -770,7 +1117,7 @@ void i40e_alloc_rx_buffers(struct i40e_ring *rx_ring, u16 cleaned_count) if (!bi->page) { bi->page = alloc_page(GFP_ATOMIC); if (!bi->page) { - rx_ring->rx_stats.alloc_rx_page_failed++; + rx_ring->rx_stats.alloc_page_failed++; goto no_buffers; } } @@ -785,7 +1132,7 @@ void i40e_alloc_rx_buffers(struct i40e_ring *rx_ring, u16 cleaned_count) DMA_FROM_DEVICE); if (dma_mapping_error(rx_ring->dev, bi->page_dma)) { - rx_ring->rx_stats.alloc_rx_page_failed++; + rx_ring->rx_stats.alloc_page_failed++; bi->page_dma = 0; goto no_buffers; } @@ -838,27 +1185,107 @@ static void i40e_receive_skb(struct i40e_ring *rx_ring, * @skb: skb currently being received and modified * @rx_status: status value of last descriptor in packet * @rx_error: error value of last descriptor in packet + * @rx_ptype: ptype value of last descriptor in packet **/ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, struct sk_buff *skb, u32 rx_status, - u32 rx_error) + u32 rx_error, + u16 rx_ptype) { + struct i40e_rx_ptype_decoded decoded = decode_rx_desc_ptype(rx_ptype); + bool ipv4 = false, ipv6 = false; + bool ipv4_tunnel, ipv6_tunnel; + __wsum rx_udp_csum; + struct iphdr *iph; + __sum16 csum; + + ipv4_tunnel = (rx_ptype > I40E_RX_PTYPE_GRENAT4_MAC_PAY3) && + (rx_ptype < I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4); + ipv6_tunnel = (rx_ptype > I40E_RX_PTYPE_GRENAT6_MAC_PAY3) && + (rx_ptype < I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4); + + skb->encapsulation = ipv4_tunnel || ipv6_tunnel; skb->ip_summed = CHECKSUM_NONE; /* Rx csum enabled and ip headers found? */ - if (!(vsi->netdev->features & NETIF_F_RXCSUM && - rx_status & (1 << I40E_RX_DESC_STATUS_L3L4P_SHIFT))) + if (!(vsi->netdev->features & NETIF_F_RXCSUM)) + return; + + /* did the hardware decode the packet and checksum? */ + if (!(rx_status & (1 << I40E_RX_DESC_STATUS_L3L4P_SHIFT))) + return; + + /* both known and outer_ip must be set for the below code to work */ + if (!(decoded.known && decoded.outer_ip)) return; - /* IP or L4 checksum error */ - if (rx_error & ((1 << I40E_RX_DESC_ERROR_IPE_SHIFT) | - (1 << I40E_RX_DESC_ERROR_L4E_SHIFT))) { - vsi->back->hw_csum_rx_error++; + if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && + decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4) + ipv4 = true; + else if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && + decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6) + ipv6 = true; + + if (ipv4 && + (rx_error & ((1 << I40E_RX_DESC_ERROR_IPE_SHIFT) | + (1 << I40E_RX_DESC_ERROR_EIPE_SHIFT)))) + goto checksum_fail; + + /* likely incorrect csum if alternate IP extension headers found */ + if (ipv6 && + decoded.inner_prot == I40E_RX_PTYPE_INNER_PROT_TCP && + rx_error & (1 << I40E_RX_DESC_ERROR_L4E_SHIFT) && + rx_status & (1 << I40E_RX_DESC_STATUS_IPV6EXADD_SHIFT)) + /* don't increment checksum err here, non-fatal err */ return; + + /* there was some L4 error, count error and punt packet to the stack */ + if (rx_error & (1 << I40E_RX_DESC_ERROR_L4E_SHIFT)) + goto checksum_fail; + + /* handle packets that were not able to be checksummed due + * to arrival speed, in this case the stack can compute + * the csum. + */ + if (rx_error & (1 << I40E_RX_DESC_ERROR_PPRS_SHIFT)) + return; + + /* If VXLAN traffic has an outer UDPv4 checksum we need to check + * it in the driver, hardware does not do it for us. + * Since L3L4P bit was set we assume a valid IHL value (>=5) + * so the total length of IPv4 header is IHL*4 bytes + * The UDP_0 bit *may* bet set if the *inner* header is UDP + */ + if (ipv4_tunnel && + (decoded.inner_prot != I40E_RX_PTYPE_INNER_PROT_UDP) && + !(rx_status & (1 << I40E_RX_DESC_STATUS_UDP_0_SHIFT))) { + skb->transport_header = skb->mac_header + + sizeof(struct ethhdr) + + (ip_hdr(skb)->ihl * 4); + + /* Add 4 bytes for VLAN tagged packets */ + skb->transport_header += (skb->protocol == htons(ETH_P_8021Q) || + skb->protocol == htons(ETH_P_8021AD)) + ? VLAN_HLEN : 0; + + rx_udp_csum = udp_csum(skb); + iph = ip_hdr(skb); + csum = csum_tcpudp_magic( + iph->saddr, iph->daddr, + (skb->len - skb_transport_offset(skb)), + IPPROTO_UDP, rx_udp_csum); + + if (udp_hdr(skb)->check != csum) + goto checksum_fail; } skb->ip_summed = CHECKSUM_UNNECESSARY; + + return; + +checksum_fail: + vsi->back->hw_csum_rx_error++; } /** @@ -869,13 +1296,38 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, static inline u32 i40e_rx_hash(struct i40e_ring *ring, union i40e_rx_desc *rx_desc) { - if (ring->netdev->features & NETIF_F_RXHASH) { - if ((le64_to_cpu(rx_desc->wb.qword1.status_error_len) >> - I40E_RX_DESC_STATUS_FLTSTAT_SHIFT) & - I40E_RX_DESC_FLTSTAT_RSS_HASH) - return le32_to_cpu(rx_desc->wb.qword0.hi_dword.rss); - } - return 0; + const __le64 rss_mask = + cpu_to_le64((u64)I40E_RX_DESC_FLTSTAT_RSS_HASH << + I40E_RX_DESC_STATUS_FLTSTAT_SHIFT); + + if ((ring->netdev->features & NETIF_F_RXHASH) && + (rx_desc->wb.qword1.status_error_len & rss_mask) == rss_mask) + return le32_to_cpu(rx_desc->wb.qword0.hi_dword.rss); + else + return 0; +} + +/** + * i40e_ptype_to_hash - get a hash type + * @ptype: the ptype value from the descriptor + * + * Returns a hash type to be used by skb_set_hash + **/ +static inline enum pkt_hash_types i40e_ptype_to_hash(u8 ptype) +{ + struct i40e_rx_ptype_decoded decoded = decode_rx_desc_ptype(ptype); + + if (!decoded.known) + return PKT_HASH_TYPE_NONE; + + if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && + decoded.payload_layer == I40E_RX_PTYPE_PAYLOAD_LAYER_PAY4) + return PKT_HASH_TYPE_L4; + else if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && + decoded.payload_layer == I40E_RX_PTYPE_PAYLOAD_LAYER_PAY3) + return PKT_HASH_TYPE_L3; + else + return PKT_HASH_TYPE_L2; } /** @@ -895,12 +1347,16 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) u16 i = rx_ring->next_to_clean; union i40e_rx_desc *rx_desc; u32 rx_error, rx_status; + u8 rx_ptype; u64 qword; + if (budget <= 0) + return 0; + rx_desc = I40E_RX_DESC(rx_ring, i); qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - rx_status = (qword & I40E_RXD_QW1_STATUS_MASK) - >> I40E_RXD_QW1_STATUS_SHIFT; + rx_status = (qword & I40E_RXD_QW1_STATUS_MASK) >> + I40E_RXD_QW1_STATUS_SHIFT; while (rx_status & (1 << I40E_RX_DESC_STATUS_DD_SHIFT)) { union i40e_rx_desc *next_rxd; @@ -916,18 +1372,20 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) skb = rx_bi->skb; prefetch(skb->data); - rx_packet_len = (qword & I40E_RXD_QW1_LENGTH_PBUF_MASK) - >> I40E_RXD_QW1_LENGTH_PBUF_SHIFT; - rx_header_len = (qword & I40E_RXD_QW1_LENGTH_HBUF_MASK) - >> I40E_RXD_QW1_LENGTH_HBUF_SHIFT; - rx_sph = (qword & I40E_RXD_QW1_LENGTH_SPH_MASK) - >> I40E_RXD_QW1_LENGTH_SPH_SHIFT; + rx_packet_len = (qword & I40E_RXD_QW1_LENGTH_PBUF_MASK) >> + I40E_RXD_QW1_LENGTH_PBUF_SHIFT; + rx_header_len = (qword & I40E_RXD_QW1_LENGTH_HBUF_MASK) >> + I40E_RXD_QW1_LENGTH_HBUF_SHIFT; + rx_sph = (qword & I40E_RXD_QW1_LENGTH_SPH_MASK) >> + I40E_RXD_QW1_LENGTH_SPH_SHIFT; - rx_error = (qword & I40E_RXD_QW1_ERROR_MASK) - >> I40E_RXD_QW1_ERROR_SHIFT; + rx_error = (qword & I40E_RXD_QW1_ERROR_MASK) >> + I40E_RXD_QW1_ERROR_SHIFT; rx_hbo = rx_error & (1 << I40E_RX_DESC_ERROR_HBO_SHIFT); rx_error &= ~(1 << I40E_RX_DESC_ERROR_HBO_SHIFT); + rx_ptype = (qword & I40E_RXD_QW1_PTYPE_MASK) >> + I40E_RXD_QW1_PTYPE_SHIFT; rx_bi->skb = NULL; /* This memory barrier is needed to keep us from reading @@ -1004,17 +1462,29 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) /* ERR_MASK will only have valid bits if EOP set */ if (unlikely(rx_error & (1 << I40E_RX_DESC_ERROR_RXE_SHIFT))) { dev_kfree_skb_any(skb); + /* TODO: shouldn't we increment a counter indicating the + * drop? + */ goto next_desc; } - skb->rxhash = i40e_rx_hash(rx_ring, rx_desc); - i40e_rx_checksum(vsi, skb, rx_status, rx_error); + skb_set_hash(skb, i40e_rx_hash(rx_ring, rx_desc), + i40e_ptype_to_hash(rx_ptype)); + if (unlikely(rx_status & I40E_RXD_QW1_STATUS_TSYNVALID_MASK)) { + i40e_ptp_rx_hwtstamp(vsi->back, skb, (rx_status & + I40E_RXD_QW1_STATUS_TSYNINDX_MASK) >> + I40E_RXD_QW1_STATUS_TSYNINDX_SHIFT); + rx_ring->last_rx_timestamp = jiffies; + } /* 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); + + i40e_rx_checksum(vsi, skb, rx_status, rx_error, rx_ptype); + vlan_tag = rx_status & (1 << I40E_RX_DESC_STATUS_L2TAG1P_SHIFT) ? le16_to_cpu(rx_desc->wb.qword0.lo_dword.l2tag1) : 0; @@ -1037,13 +1507,15 @@ next_desc: /* use prefetched values */ rx_desc = next_rxd; qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - rx_status = (qword & I40E_RXD_QW1_STATUS_MASK) - >> I40E_RXD_QW1_STATUS_SHIFT; + rx_status = (qword & I40E_RXD_QW1_STATUS_MASK) >> + I40E_RXD_QW1_STATUS_SHIFT; } rx_ring->next_to_clean = i; - rx_ring->rx_stats.packets += total_rx_packets; - rx_ring->rx_stats.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); rx_ring->q_vector->rx.total_packets += total_rx_packets; rx_ring->q_vector->rx.total_bytes += total_rx_bytes; @@ -1067,27 +1539,28 @@ int i40e_napi_poll(struct napi_struct *napi, int budget) struct i40e_q_vector *q_vector = container_of(napi, struct i40e_q_vector, napi); struct i40e_vsi *vsi = q_vector->vsi; + struct i40e_ring *ring; bool clean_complete = true; int budget_per_ring; - int i; if (test_bit(__I40E_DOWN, &vsi->state)) { napi_complete(napi); return 0; } + /* Since the actual Tx work is minimal, we can give the Tx a larger + * budget and be more aggressive about cleaning up the Tx descriptors. + */ + i40e_for_each_ring(ring, q_vector->tx) + clean_complete &= i40e_clean_tx_irq(ring, vsi->work_limit); + /* We attempt to distribute budget to each Rx queue fairly, but don't * allow the budget to go below 1 because that would exit polling early. - * Since the actual Tx work is minimal, we can give the Tx a larger - * budget and be more aggressive about cleaning up the Tx descriptors. */ budget_per_ring = max(budget/q_vector->num_ringpairs, 1); - for (i = 0; i < q_vector->num_ringpairs; i++) { - clean_complete &= i40e_clean_tx_irq(q_vector->tx.ring[i], - vsi->work_limit); - clean_complete &= i40e_clean_rx_irq(q_vector->rx.ring[i], - budget_per_ring); - } + + i40e_for_each_ring(ring, q_vector->rx) + clean_complete &= i40e_clean_rx_irq(ring, budget_per_ring); /* If work not completed, return budget and polling will return */ if (!clean_complete) @@ -1117,7 +1590,8 @@ int i40e_napi_poll(struct napi_struct *napi, int budget) qval = rd32(hw, I40E_QINT_TQCTL(0)); qval |= I40E_QINT_TQCTL_CAUSE_ENA_MASK; wr32(hw, I40E_QINT_TQCTL(0), qval); - i40e_flush(hw); + + i40e_irq_dynamic_enable_icr0(vsi->back); } } @@ -1144,17 +1618,16 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, struct tcphdr *th; unsigned int hlen; u32 flex_ptype, dtype_cmd; + u16 i; /* make sure ATR is enabled */ - if (!(pf->flags & I40E_FLAG_FDIR_ATR_ENABLED)) + if (!(pf->flags & I40E_FLAG_FD_ATR_ENABLED)) return; /* if sampling is disabled do nothing */ if (!tx_ring->atr_sample_rate) return; - tx_ring->atr_count++; - /* snag network header to get L4 type and address */ hdr.network = skb_network_header(skb); @@ -1176,17 +1649,27 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, th = (struct tcphdr *)(hdr.network + hlen); - /* sample on all syn/fin packets or once every atr sample rate */ - if (!th->fin && !th->syn && (tx_ring->atr_count < tx_ring->atr_sample_rate)) + /* Due to lack of space, no more new filters can be programmed */ + if (th->syn && (pf->auto_disable_flags & I40E_FLAG_FD_ATR_ENABLED)) + return; + + tx_ring->atr_count++; + + /* sample on all syn/fin/rst packets or once every atr sample rate */ + if (!th->fin && + !th->syn && + !th->rst && + (tx_ring->atr_count < tx_ring->atr_sample_rate)) return; tx_ring->atr_count = 0; /* grab the next descriptor */ - fdir_desc = I40E_TX_FDIRDESC(tx_ring, tx_ring->next_to_use); - tx_ring->next_to_use++; - if (tx_ring->next_to_use == tx_ring->count) - tx_ring->next_to_use = 0; + i = tx_ring->next_to_use; + fdir_desc = I40E_TX_FDIRDESC(tx_ring, i); + + i++; + tx_ring->next_to_use = (i < tx_ring->count) ? i : 0; flex_ptype = (tx_ring->queue_index << I40E_TXD_FLTR_QW0_QINDEX_SHIFT) & I40E_TXD_FLTR_QW0_QINDEX_MASK; @@ -1200,7 +1683,7 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, dtype_cmd = I40E_TX_DESC_DTYPE_FILTER_PROG; - dtype_cmd |= th->fin ? + dtype_cmd |= (th->fin || th->rst) ? (I40E_FILTER_PROGRAM_DESC_PCMD_REMOVE << I40E_TXD_FLTR_QW1_PCMD_SHIFT) : (I40E_FILTER_PROGRAM_DESC_PCMD_ADD_UPDATE << @@ -1212,11 +1695,15 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, dtype_cmd |= I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID << I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT; + dtype_cmd |= I40E_TXD_FLTR_QW1_CNT_ENA_MASK; + dtype_cmd |= + ((u32)pf->fd_atr_cnt_idx << I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) & + I40E_TXD_FLTR_QW1_CNTINDEX_MASK; + fdir_desc->qindex_flex_ptype_vsi = cpu_to_le32(flex_ptype); fdir_desc->dtype_cmd_cntindex = cpu_to_le32(dtype_cmd); } -#define I40E_TXD_CMD (I40E_TX_DESC_CMD_EOP | I40E_TX_DESC_CMD_RS) /** * i40e_tx_prepare_vlan_flags - prepare generic TX VLAN tagging flags for HW * @skb: send buffer @@ -1241,7 +1728,7 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, tx_flags |= vlan_tx_tag_get(skb) << I40E_TX_FLAGS_VLAN_SHIFT; tx_flags |= I40E_TX_FLAGS_HW_VLAN; /* else if it is a SW VLAN, check the next protocol and store the tag */ - } else if (protocol == __constant_htons(ETH_P_8021Q)) { + } else if (protocol == htons(ETH_P_8021Q)) { struct vlan_hdr *vhdr, _vhdr; vhdr = skb_header_pointer(skb, ETH_HLEN, sizeof(_vhdr), &_vhdr); if (!vhdr) @@ -1261,9 +1748,11 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, I40E_TX_FLAGS_VLAN_PRIO_SHIFT; if (tx_flags & I40E_TX_FLAGS_SW_VLAN) { struct vlan_ethhdr *vhdr; - if (skb_header_cloned(skb) && - pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) - return -ENOMEM; + int rc; + + rc = skb_cow_head(skb, 0); + if (rc < 0) + return rc; vhdr = (struct vlan_ethhdr *)skb->data; vhdr->h_vlan_TCI = htons(tx_flags >> I40E_TX_FLAGS_VLAN_SHIFT); @@ -1276,27 +1765,6 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, } /** - * i40e_tx_csum - is checksum offload requested - * @tx_ring: ptr to the ring to send - * @skb: ptr to the skb we're sending - * @tx_flags: the collected send information - * @protocol: the send protocol - * - * Returns true if checksum offload is requested - **/ -static bool i40e_tx_csum(struct i40e_ring *tx_ring, struct sk_buff *skb, - u32 tx_flags, __be16 protocol) -{ - if ((skb->ip_summed != CHECKSUM_PARTIAL) && - !(tx_flags & I40E_TX_FLAGS_TXSW)) { - if (!(tx_flags & I40E_TX_FLAGS_HW_VLAN)) - return false; - } - - return skb->ip_summed == CHECKSUM_PARTIAL; -} - -/** * i40e_tso - set up the tso context descriptor * @tx_ring: ptr to the ring to send * @skb: ptr to the skb we're sending @@ -1312,22 +1780,20 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb, u64 *cd_type_cmd_tso_mss, u32 *cd_tunneling) { u32 cd_cmd, cd_tso_len, cd_mss; + struct ipv6hdr *ipv6h; struct tcphdr *tcph; struct iphdr *iph; u32 l4len; int err; - struct ipv6hdr *ipv6h; if (!skb_is_gso(skb)) return 0; - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; - if (protocol == __constant_htons(ETH_P_IP)) { + if (protocol == htons(ETH_P_IP)) { iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb); tcph = skb->encapsulation ? inner_tcp_hdr(skb) : tcp_hdr(skb); iph->tot_len = 0; @@ -1353,10 +1819,47 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb, cd_cmd = I40E_TX_CTX_DESC_TSO; cd_tso_len = skb->len - *hdr_len; cd_mss = skb_shinfo(skb)->gso_size; - *cd_type_cmd_tso_mss |= ((u64)cd_cmd << I40E_TXD_CTX_QW1_CMD_SHIFT) - | ((u64)cd_tso_len - << I40E_TXD_CTX_QW1_TSO_LEN_SHIFT) - | ((u64)cd_mss << I40E_TXD_CTX_QW1_MSS_SHIFT); + *cd_type_cmd_tso_mss |= ((u64)cd_cmd << I40E_TXD_CTX_QW1_CMD_SHIFT) | + ((u64)cd_tso_len << + I40E_TXD_CTX_QW1_TSO_LEN_SHIFT) | + ((u64)cd_mss << I40E_TXD_CTX_QW1_MSS_SHIFT); + return 1; +} + +/** + * i40e_tsyn - set up the tsyn context descriptor + * @tx_ring: ptr to the ring to send + * @skb: ptr to the skb we're sending + * @tx_flags: the collected send information + * + * Returns 0 if no Tx timestamp can happen and 1 if the timestamp will happen + **/ +static int i40e_tsyn(struct i40e_ring *tx_ring, struct sk_buff *skb, + u32 tx_flags, u64 *cd_type_cmd_tso_mss) +{ + struct i40e_pf *pf; + + if (likely(!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))) + return 0; + + /* Tx timestamps cannot be sampled when doing TSO */ + if (tx_flags & I40E_TX_FLAGS_TSO) + return 0; + + /* only timestamp the outbound packet if the user has requested it and + * we are not already transmitting a packet to be timestamped + */ + pf = i40e_netdev_to_pf(tx_ring->netdev); + if (pf->ptp_tx && !pf->ptp_tx_skb) { + skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; + pf->ptp_tx_skb = skb_get(skb); + } else { + return 0; + } + + *cd_type_cmd_tso_mss |= (u64)I40E_TX_CTX_DESC_TSYN << + I40E_TXD_CTX_QW1_CMD_SHIFT; + return 1; } @@ -1482,15 +1985,17 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring, const u32 cd_tunneling, const u32 cd_l2tag2) { struct i40e_tx_context_desc *context_desc; + int i = tx_ring->next_to_use; - if (!cd_type_cmd_tso_mss && !cd_tunneling && !cd_l2tag2) + if ((cd_type_cmd_tso_mss == I40E_TX_DESC_DTYPE_CONTEXT) && + !cd_tunneling && !cd_l2tag2) return; /* grab the next descriptor */ - context_desc = I40E_TX_CTXTDESC(tx_ring, tx_ring->next_to_use); - tx_ring->next_to_use++; - if (tx_ring->next_to_use == tx_ring->count) - tx_ring->next_to_use = 0; + context_desc = I40E_TX_CTXTDESC(tx_ring, i); + + i++; + tx_ring->next_to_use = (i < tx_ring->count) ? i : 0; /* cpu_to_le32 and assign to struct fields */ context_desc->tunneling_params = cpu_to_le32(cd_tunneling); @@ -1512,68 +2017,71 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, struct i40e_tx_buffer *first, u32 tx_flags, const u8 hdr_len, u32 td_cmd, u32 td_offset) { - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0]; unsigned int data_len = skb->data_len; unsigned int size = skb_headlen(skb); - struct device *dev = tx_ring->dev; - u32 paylen = skb->len - hdr_len; - u16 i = tx_ring->next_to_use; + struct skb_frag_struct *frag; struct i40e_tx_buffer *tx_bi; struct i40e_tx_desc *tx_desc; - u32 buf_offset = 0; + u16 i = tx_ring->next_to_use; u32 td_tag = 0; dma_addr_t dma; u16 gso_segs; - dma = dma_map_single(dev, skb->data, size, DMA_TO_DEVICE); - if (dma_mapping_error(dev, dma)) - goto dma_error; - if (tx_flags & I40E_TX_FLAGS_HW_VLAN) { td_cmd |= I40E_TX_DESC_CMD_IL2TAG1; td_tag = (tx_flags & I40E_TX_FLAGS_VLAN_MASK) >> I40E_TX_FLAGS_VLAN_SHIFT; } + if (tx_flags & (I40E_TX_FLAGS_TSO | I40E_TX_FLAGS_FSO)) + gso_segs = skb_shinfo(skb)->gso_segs; + else + gso_segs = 1; + + /* multiply data chunks by size of headers */ + first->bytecount = skb->len - hdr_len + (gso_segs * hdr_len); + first->gso_segs = gso_segs; + first->skb = skb; + first->tx_flags = tx_flags; + + dma = dma_map_single(tx_ring->dev, skb->data, size, DMA_TO_DEVICE); + tx_desc = I40E_TX_DESC(tx_ring, i); - for (;;) { - while (size > I40E_MAX_DATA_PER_TXD) { - tx_desc->buffer_addr = cpu_to_le64(dma + buf_offset); + tx_bi = first; + + for (frag = &skb_shinfo(skb)->frags[0];; frag++) { + if (dma_mapping_error(tx_ring->dev, dma)) + goto dma_error; + + /* record length, and DMA address */ + dma_unmap_len_set(tx_bi, len, size); + dma_unmap_addr_set(tx_bi, dma, dma); + + tx_desc->buffer_addr = cpu_to_le64(dma); + + while (unlikely(size > I40E_MAX_DATA_PER_TXD)) { tx_desc->cmd_type_offset_bsz = build_ctob(td_cmd, td_offset, I40E_MAX_DATA_PER_TXD, td_tag); - buf_offset += I40E_MAX_DATA_PER_TXD; - size -= I40E_MAX_DATA_PER_TXD; - tx_desc++; i++; if (i == tx_ring->count) { tx_desc = I40E_TX_DESC(tx_ring, 0); i = 0; } - } - tx_bi = &tx_ring->tx_bi[i]; - tx_bi->length = buf_offset + size; - tx_bi->tx_flags = tx_flags; - tx_bi->dma = dma; + dma += I40E_MAX_DATA_PER_TXD; + size -= I40E_MAX_DATA_PER_TXD; - tx_desc->buffer_addr = cpu_to_le64(dma + buf_offset); - tx_desc->cmd_type_offset_bsz = build_ctob(td_cmd, td_offset, - size, td_tag); + tx_desc->buffer_addr = cpu_to_le64(dma); + } if (likely(!data_len)) break; - size = skb_frag_size(frag); - data_len -= size; - buf_offset = 0; - tx_flags |= I40E_TX_FLAGS_MAPPED_AS_PAGE; - - dma = skb_frag_dma_map(dev, frag, 0, size, DMA_TO_DEVICE); - if (dma_mapping_error(dev, dma)) - goto dma_error; + tx_desc->cmd_type_offset_bsz = build_ctob(td_cmd, td_offset, + size, td_tag); tx_desc++; i++; @@ -1582,31 +2090,39 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, i = 0; } - frag++; - } - - tx_desc->cmd_type_offset_bsz |= - cpu_to_le64((u64)I40E_TXD_CMD << I40E_TXD_QW1_CMD_SHIFT); + size = skb_frag_size(frag); + data_len -= size; - i++; - if (i == tx_ring->count) - i = 0; + dma = skb_frag_dma_map(tx_ring->dev, frag, 0, size, + DMA_TO_DEVICE); - tx_ring->next_to_use = i; + tx_bi = &tx_ring->tx_bi[i]; + } - if (tx_flags & (I40E_TX_FLAGS_TSO | I40E_TX_FLAGS_FSO)) - gso_segs = skb_shinfo(skb)->gso_segs; - else - gso_segs = 1; + /* Place RS bit on last descriptor of any packet that spans across the + * 4th descriptor (WB_STRIDE aka 0x3) in a 64B cacheline. + */ +#define WB_STRIDE 0x3 + if (((i & WB_STRIDE) != WB_STRIDE) && + (first <= &tx_ring->tx_bi[i]) && + (first >= &tx_ring->tx_bi[i & ~WB_STRIDE])) { + tx_desc->cmd_type_offset_bsz = + build_ctob(td_cmd, td_offset, size, td_tag) | + cpu_to_le64((u64)I40E_TX_DESC_CMD_EOP << + I40E_TXD_QW1_CMD_SHIFT); + } else { + tx_desc->cmd_type_offset_bsz = + build_ctob(td_cmd, td_offset, size, td_tag) | + cpu_to_le64((u64)I40E_TXD_CMD << + I40E_TXD_QW1_CMD_SHIFT); + } - /* multiply data chunks by size of headers */ - tx_bi->bytecount = paylen + (gso_segs * hdr_len); - tx_bi->gso_segs = gso_segs; - tx_bi->skb = skb; + netdev_tx_sent_queue(netdev_get_tx_queue(tx_ring->netdev, + tx_ring->queue_index), + first->bytecount); - /* set the timestamp and next to watch values */ + /* set the timestamp */ first->time_stamp = jiffies; - first->next_to_watch = tx_desc; /* Force memory writes to complete before letting h/w * know there are new descriptors to fetch. (Only @@ -1615,16 +2131,27 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, */ wmb(); + /* set next_to_watch value indicating a packet is present */ + first->next_to_watch = tx_desc; + + i++; + if (i == tx_ring->count) + i = 0; + + tx_ring->next_to_use = i; + + /* notify HW of packet */ writel(i, tx_ring->tail); + return; dma_error: - dev_info(dev, "TX DMA map failed\n"); + dev_info(tx_ring->dev, "TX DMA map failed\n"); /* clear dma mappings for failed tx_bi map */ for (;;) { tx_bi = &tx_ring->tx_bi[i]; - i40e_unmap_tx_resource(tx_ring, tx_bi); + i40e_unmap_and_free_tx_resource(tx_ring, tx_bi); if (tx_bi == first) break; if (i == 0) @@ -1632,8 +2159,6 @@ dma_error: i--; } - dev_kfree_skb_any(skb); - tx_ring->next_to_use = i; } @@ -1647,6 +2172,7 @@ dma_error: static inline int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) { netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index); + /* Memory barrier before checking head and tail */ smp_mb(); /* Check again in a case another CPU has just made room available. */ @@ -1685,25 +2211,20 @@ static int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) static int i40e_xmit_descriptor_count(struct sk_buff *skb, struct i40e_ring *tx_ring) { -#if PAGE_SIZE > I40E_MAX_DATA_PER_TXD unsigned int f; -#endif int count = 0; /* need: 1 descriptor per page * PAGE_SIZE/I40E_MAX_DATA_PER_TXD, * + 1 desc for skb_head_len/I40E_MAX_DATA_PER_TXD, - * + 2 desc gap to keep tail from touching head, + * + 4 desc gap to avoid the cache line where head is, * + 1 desc for context descriptor, * otherwise try next time */ -#if PAGE_SIZE > I40E_MAX_DATA_PER_TXD for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size); -#else - count += skb_shinfo(skb)->nr_frags; -#endif + count += TXD_USE_COUNT(skb_headlen(skb)); - if (i40e_maybe_stop_tx(tx_ring, count + 3)) { + if (i40e_maybe_stop_tx(tx_ring, count + 4 + 1)) { tx_ring->tx_stats.tx_busy++; return 0; } @@ -1728,6 +2249,7 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, __be16 protocol; u32 td_cmd = 0; u8 hdr_len = 0; + int tsyn; int tso; if (0 == i40e_xmit_descriptor_count(skb, tx_ring)) return NETDEV_TX_BUSY; @@ -1743,9 +2265,9 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, first = &tx_ring->tx_bi[tx_ring->next_to_use]; /* setup IPv4/IPv6 offloads */ - if (protocol == __constant_htons(ETH_P_IP)) + if (protocol == htons(ETH_P_IP)) tx_flags |= I40E_TX_FLAGS_IPV4; - else if (protocol == __constant_htons(ETH_P_IPV6)) + else if (protocol == htons(ETH_P_IPV6)) tx_flags |= I40E_TX_FLAGS_IPV6; tso = i40e_tso(tx_ring, skb, tx_flags, protocol, &hdr_len, @@ -1758,16 +2280,21 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, skb_tx_timestamp(skb); - /* Always offload the checksum, since it's in the data descriptor */ - if (i40e_tx_csum(tx_ring, skb, tx_flags, protocol)) - tx_flags |= I40E_TX_FLAGS_CSUM; + tsyn = i40e_tsyn(tx_ring, skb, tx_flags, &cd_type_cmd_tso_mss); + + if (tsyn) + tx_flags |= I40E_TX_FLAGS_TSYN; - /* always enable offload insertion */ + /* always enable CRC insertion offload */ td_cmd |= I40E_TX_DESC_CMD_ICRC; - if (tx_flags & I40E_TX_FLAGS_CSUM) + /* Always offload the checksum, since it's in the data descriptor */ + if (skb->ip_summed == CHECKSUM_PARTIAL) { + tx_flags |= I40E_TX_FLAGS_CSUM; + i40e_tx_enable_csum(skb, tx_flags, &td_cmd, &td_offset, tx_ring, &cd_tunneling); + } i40e_create_tx_ctx(tx_ring, cd_type_cmd_tso_mss, cd_tunneling, cd_l2tag2); @@ -1801,7 +2328,7 @@ netdev_tx_t i40e_lan_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - struct i40e_ring *tx_ring = &vsi->tx_rings[skb->queue_mapping]; + struct i40e_ring *tx_ring = vsi->tx_rings[skb->queue_mapping]; /* hardware can't handle really short frames, hardware padding works * beyond this point diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index b1d7722d98a..0277894fe1c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -25,11 +24,13 @@ * ******************************************************************************/ -/* Interrupt Throttling and Rate Limiting (storm control) Goodies */ +#ifndef _I40E_TXRX_H_ +#define _I40E_TXRX_H_ -#define I40E_MAX_ITR 0x07FF -#define I40E_MIN_ITR 0x0001 -#define I40E_ITR_USEC_RESOLUTION 2 +/* Interrupt Throttling and Rate Limiting Goodies */ + +#define I40E_MAX_ITR 0x0FF0 /* reg uses 2 usec resolution */ +#define I40E_MIN_ITR 0x0004 /* reg uses 2 usec resolution */ #define I40E_MAX_IRATE 0x03F #define I40E_MIN_IRATE 0x001 #define I40E_IRATE_USEC_RESOLUTION 4 @@ -49,10 +50,38 @@ #define I40E_QUEUE_END_OF_LIST 0x7FF -#define I40E_ITR_NONE 3 -#define I40E_RX_ITR 0 -#define I40E_TX_ITR 1 -#define I40E_PE_ITR 2 +/* this enum matches hardware bits and is meant to be used by DYN_CTLN + * registers and QINT registers or more generally anywhere in the manual + * mentioning ITR_INDX, ITR_NONE cannot be used as an index 'n' into any + * register but instead is a special value meaning "don't update" ITR0/1/2. + */ +enum i40e_dyn_idx_t { + I40E_IDX_ITR0 = 0, + I40E_IDX_ITR1 = 1, + I40E_IDX_ITR2 = 2, + I40E_ITR_NONE = 3 /* ITR_NONE must not be used as an index */ +}; + +/* these are indexes into ITRN registers */ +#define I40E_RX_ITR I40E_IDX_ITR0 +#define I40E_TX_ITR I40E_IDX_ITR1 +#define I40E_PE_ITR I40E_IDX_ITR2 + +/* Supported RSS offloads */ +#define I40E_DEFAULT_RSS_HENA ( \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_SCTP) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | \ + ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_SCTP) | \ + ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | \ + ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6) | \ + ((u64)1 << I40E_FILTER_PCTYPE_L2_PAYLOAD)) + /* Supported Rx Buffer Sizes */ #define I40E_RXBUFFER_512 512 /* Used for packet split */ #define I40E_RXBUFFER_2048 2048 @@ -88,11 +117,11 @@ #define i40e_rx_desc i40e_32byte_rx_desc #define I40E_MIN_TX_LEN 17 -#define I40E_MAX_DATA_PER_TXD 16383 /* aka 16kB - 1 */ +#define I40E_MAX_DATA_PER_TXD 8192 /* Tx Descriptors needed, worst case */ #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), I40E_MAX_DATA_PER_TXD) -#define DESC_NEEDED ((MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE)) + 4) +#define DESC_NEEDED (MAX_SKB_FRAGS + 4) #define I40E_TX_FLAGS_CSUM (u32)(1) #define I40E_TX_FLAGS_HW_VLAN (u32)(1 << 1) @@ -102,23 +131,21 @@ #define I40E_TX_FLAGS_IPV6 (u32)(1 << 5) #define I40E_TX_FLAGS_FCCRC (u32)(1 << 6) #define I40E_TX_FLAGS_FSO (u32)(1 << 7) -#define I40E_TX_FLAGS_TXSW (u32)(1 << 8) -#define I40E_TX_FLAGS_MAPPED_AS_PAGE (u32)(1 << 9) +#define I40E_TX_FLAGS_TSYN (u32)(1 << 8) #define I40E_TX_FLAGS_VLAN_MASK 0xffff0000 #define I40E_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000 #define I40E_TX_FLAGS_VLAN_PRIO_SHIFT 29 #define I40E_TX_FLAGS_VLAN_SHIFT 16 struct i40e_tx_buffer { - struct sk_buff *skb; - dma_addr_t dma; - unsigned long time_stamp; - u16 length; - u32 tx_flags; struct i40e_tx_desc *next_to_watch; + unsigned long time_stamp; + struct sk_buff *skb; unsigned int bytecount; - u16 gso_segs; - u8 mapped_as_page; + unsigned short gso_segs; + DEFINE_DMA_UNMAP_ADDR(dma); + DEFINE_DMA_UNMAP_LEN(len); + u32 tx_flags; }; struct i40e_rx_buffer { @@ -129,21 +156,21 @@ struct i40e_rx_buffer { unsigned int page_offset; }; -struct i40e_tx_queue_stats { +struct i40e_queue_stats { u64 packets; u64 bytes; +}; + +struct i40e_tx_queue_stats { u64 restart_queue; u64 tx_busy; - u64 completed; u64 tx_done_old; }; struct i40e_rx_queue_stats { - u64 packets; - u64 bytes; u64 non_eop_descs; - u64 alloc_rx_page_failed; - u64 alloc_rx_buff_failed; + u64 alloc_page_failed; + u64 alloc_buff_failed; }; enum i40e_ring_state_t { @@ -152,7 +179,6 @@ enum i40e_ring_state_t { __I40E_TX_DETECT_HANG, __I40E_HANG_CHECK_ARMED, __I40E_RX_PS_ENABLED, - __I40E_RX_LRO_ENABLED, __I40E_RX_16BYTE_DESC_ENABLED, }; @@ -168,12 +194,6 @@ enum i40e_ring_state_t { set_bit(__I40E_TX_DETECT_HANG, &(ring)->state) #define clear_check_for_tx_hang(ring) \ clear_bit(__I40E_TX_DETECT_HANG, &(ring)->state) -#define ring_is_lro_enabled(ring) \ - test_bit(__I40E_RX_LRO_ENABLED, &(ring)->state) -#define set_ring_lro_enabled(ring) \ - set_bit(__I40E_RX_LRO_ENABLED, &(ring)->state) -#define clear_ring_lro_enabled(ring) \ - clear_bit(__I40E_RX_LRO_ENABLED, &(ring)->state) #define ring_is_16byte_desc_enabled(ring) \ test_bit(__I40E_RX_16BYTE_DESC_ENABLED, &(ring)->state) #define set_ring_16byte_desc_enabled(ring) \ @@ -183,6 +203,7 @@ enum i40e_ring_state_t { /* struct that defines a descriptor ring, associated with a VSI */ struct i40e_ring { + struct i40e_ring *next; /* pointer to next ring in q_vector */ void *desc; /* Descriptor ring memory */ struct device *dev; /* Used for DMA mapping */ struct net_device *netdev; /* netdev ring maps to */ @@ -216,9 +237,13 @@ struct i40e_ring { u8 atr_sample_rate; u8 atr_count; + unsigned long last_rx_timestamp; + bool ring_active; /* is ring online or not */ /* stats structs */ + struct i40e_queue_stats stats; + struct u64_stats_sync syncp; union { struct i40e_tx_queue_stats tx_stats; struct i40e_rx_queue_stats rx_stats; @@ -229,6 +254,8 @@ struct i40e_ring { struct i40e_vsi *vsi; /* Backreference to associated VSI */ struct i40e_q_vector *q_vector; /* Backreference to associated vector */ + + struct rcu_head rcu; /* to avoid race on free */ } ____cacheline_internodealigned_in_smp; enum i40e_latency_range { @@ -238,9 +265,8 @@ enum i40e_latency_range { }; struct i40e_ring_container { -#define I40E_MAX_RINGPAIR_PER_VECTOR 8 /* array of pointers to rings */ - struct i40e_ring *ring[I40E_MAX_RINGPAIR_PER_VECTOR]; + struct i40e_ring *ring; unsigned int total_bytes; /* total bytes processed this int */ unsigned int total_packets; /* total packets processed this int */ u16 count; @@ -248,6 +274,10 @@ struct i40e_ring_container { u16 itr; }; +/* iterator for handling rings in ring container */ +#define i40e_for_each_ring(pos, head) \ + for (pos = (head).ring; pos != NULL; pos = pos->next) + void i40e_alloc_rx_buffers(struct i40e_ring *rxr, u16 cleaned_count); netdev_tx_t i40e_lan_xmit_frame(struct sk_buff *skb, struct net_device *netdev); void i40e_clean_tx_ring(struct i40e_ring *tx_ring); @@ -257,3 +287,4 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring); void i40e_free_tx_resources(struct i40e_ring *tx_ring); void i40e_free_rx_resources(struct i40e_ring *rx_ring); int i40e_napi_poll(struct napi_struct *napi, int budget); +#endif /* _I40E_TXRX_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h index f3f22b20f02..9d39ff23c5f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_type.h +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -36,47 +35,36 @@ #include "i40e_lan_hmc.h" /* Device IDs */ -#define I40E_SFP_XL710_DEVICE_ID 0x1572 -#define I40E_SFP_X710_DEVICE_ID 0x1573 -#define I40E_QEMU_DEVICE_ID 0x1574 -#define I40E_KX_A_DEVICE_ID 0x157F -#define I40E_KX_B_DEVICE_ID 0x1580 -#define I40E_KX_C_DEVICE_ID 0x1581 -#define I40E_KX_D_DEVICE_ID 0x1582 -#define I40E_QSFP_A_DEVICE_ID 0x1583 -#define I40E_QSFP_B_DEVICE_ID 0x1584 -#define I40E_QSFP_C_DEVICE_ID 0x1585 -#define I40E_VF_DEVICE_ID 0x154C -#define I40E_VF_HV_DEVICE_ID 0x1571 - -#define I40E_FW_API_VERSION_MAJOR 0x0001 -#define I40E_FW_API_VERSION_MINOR 0x0000 +#define I40E_DEV_ID_SFP_XL710 0x1572 +#define I40E_DEV_ID_QEMU 0x1574 +#define I40E_DEV_ID_KX_A 0x157F +#define I40E_DEV_ID_KX_B 0x1580 +#define I40E_DEV_ID_KX_C 0x1581 +#define I40E_DEV_ID_QSFP_A 0x1583 +#define I40E_DEV_ID_QSFP_B 0x1584 +#define I40E_DEV_ID_QSFP_C 0x1585 +#define I40E_DEV_ID_VF 0x154C +#define I40E_DEV_ID_VF_HV 0x1571 + +#define i40e_is_40G_device(d) ((d) == I40E_DEV_ID_QSFP_A || \ + (d) == I40E_DEV_ID_QSFP_B || \ + (d) == I40E_DEV_ID_QSFP_C) #define I40E_MAX_VSI_QP 16 #define I40E_MAX_VF_VSI 3 #define I40E_MAX_CHAINED_RX_BUFFERS 5 +#define I40E_MAX_PF_UDP_OFFLOAD_PORTS 16 /* Max default timeout in ms, */ #define I40E_MAX_NVM_TIMEOUT 18000 -/* Check whether address is multicast. This is little-endian specific check.*/ -#define I40E_IS_MULTICAST(address) \ - (bool)(((u8 *)(address))[0] & ((u8)0x01)) - -/* Check whether an address is broadcast. */ -#define I40E_IS_BROADCAST(address) \ - ((((u8 *)(address))[0] == ((u8)0xff)) && \ - (((u8 *)(address))[1] == ((u8)0xff))) - -/* Switch from mc to the 2usec global time (this is the GTIME resolution) */ -#define I40E_MS_TO_GTIME(time) (((time) * 1000) / 2) +/* Switch from ms to the 1usec global time (this is the GTIME resolution) */ +#define I40E_MS_TO_GTIME(time) ((time) * 1000) /* forward declaration */ struct i40e_hw; typedef void (*I40E_ADMINQ_CALLBACK)(struct i40e_hw *, struct i40e_aq_desc *); -#define I40E_ETH_LENGTH_OF_ADDRESS 6 - /* Data type manipulation macros. */ #define I40E_DESC_UNUSED(R) \ @@ -85,9 +73,10 @@ typedef void (*I40E_ADMINQ_CALLBACK)(struct i40e_hw *, struct i40e_aq_desc *); /* bitfields for Tx queue mapping in QTX_CTL */ #define I40E_QTX_CTL_VF_QUEUE 0x0 +#define I40E_QTX_CTL_VM_QUEUE 0x1 #define I40E_QTX_CTL_PF_QUEUE 0x2 -/* debug masks */ +/* debug masks - set these bits in hw->debug_mask to control output */ enum i40e_debug_mask { I40E_DEBUG_INIT = 0x00000001, I40E_DEBUG_RELEASE = 0x00000002, @@ -100,11 +89,12 @@ enum i40e_debug_mask { I40E_DEBUG_FLOW = 0x00000200, I40E_DEBUG_DCB = 0x00000400, I40E_DEBUG_DIAG = 0x00000800, + I40E_DEBUG_FD = 0x00001000, - I40E_DEBUG_AQ_MESSAGE = 0x01000000, /* for i40e_debug() */ + I40E_DEBUG_AQ_MESSAGE = 0x01000000, I40E_DEBUG_AQ_DESCRIPTOR = 0x02000000, I40E_DEBUG_AQ_DESC_BUFFER = 0x04000000, - I40E_DEBUG_AQ_COMMAND = 0x06000000, /* for i40e_debug_aq() */ + I40E_DEBUG_AQ_COMMAND = 0x06000000, I40E_DEBUG_AQ = 0x0F000000, I40E_DEBUG_USER = 0xF0000000, @@ -134,6 +124,7 @@ enum i40e_media_type { I40E_MEDIA_TYPE_BASET, I40E_MEDIA_TYPE_BACKPLANE, I40E_MEDIA_TYPE_CX4, + I40E_MEDIA_TYPE_DA, I40E_MEDIA_TYPE_VIRTUAL }; @@ -171,8 +162,12 @@ struct i40e_link_status { u8 link_info; u8 an_info; u8 ext_info; + u8 loopback; /* is Link Status Event notification to SW enabled */ bool lse_enable; + u16 max_frame_size; + bool crc_enable; + u8 pacing; }; struct i40e_phy_info { @@ -236,9 +231,9 @@ struct i40e_hw_capabilities { struct i40e_mac_info { enum i40e_mac_type type; - u8 addr[I40E_ETH_LENGTH_OF_ADDRESS]; - u8 perm_addr[I40E_ETH_LENGTH_OF_ADDRESS]; - u8 san_addr[I40E_ETH_LENGTH_OF_ADDRESS]; + u8 addr[ETH_ALEN]; + u8 perm_addr[ETH_ALEN]; + u8 san_addr[ETH_ALEN]; u16 max_fcoeq; }; @@ -415,6 +410,7 @@ struct i40e_driver_version { u8 minor_version; u8 build_version; u8 subbuild_version; + u8 driver_string[32]; }; /* RX Descriptors */ @@ -465,6 +461,10 @@ union i40e_32byte_rx_desc { union { __le32 rss; /* RSS Hash */ __le32 fcoe_param; /* FCoE DDP Context id */ + /* Flow director filter id in case of + * Programming status desc WB + */ + __le32 fd_id; } hi_dword; } qword0; struct { @@ -490,9 +490,6 @@ union i40e_32byte_rx_desc { } wb; /* writeback */ }; -#define I40E_RXD_QW1_STATUS_SHIFT 0 -#define I40E_RXD_QW1_STATUS_MASK (0x7FFFUL << I40E_RXD_QW1_STATUS_SHIFT) - enum i40e_rx_desc_status_bits { /* Note: These are predefined bit offsets */ I40E_RX_DESC_STATUS_DD_SHIFT = 0, @@ -500,18 +497,31 @@ enum i40e_rx_desc_status_bits { I40E_RX_DESC_STATUS_L2TAG1P_SHIFT = 2, I40E_RX_DESC_STATUS_L3L4P_SHIFT = 3, I40E_RX_DESC_STATUS_CRCP_SHIFT = 4, - I40E_RX_DESC_STATUS_TSYNINDX_SHIFT = 5, /* 3 BITS */ + I40E_RX_DESC_STATUS_TSYNINDX_SHIFT = 5, /* 2 BITS */ + I40E_RX_DESC_STATUS_TSYNVALID_SHIFT = 7, I40E_RX_DESC_STATUS_PIF_SHIFT = 8, I40E_RX_DESC_STATUS_UMBCAST_SHIFT = 9, /* 2 BITS */ I40E_RX_DESC_STATUS_FLM_SHIFT = 11, I40E_RX_DESC_STATUS_FLTSTAT_SHIFT = 12, /* 2 BITS */ - I40E_RX_DESC_STATUS_LPBK_SHIFT = 14 + I40E_RX_DESC_STATUS_LPBK_SHIFT = 14, + I40E_RX_DESC_STATUS_IPV6EXADD_SHIFT = 15, + I40E_RX_DESC_STATUS_RESERVED_SHIFT = 16, /* 2 BITS */ + I40E_RX_DESC_STATUS_UDP_0_SHIFT = 18, + I40E_RX_DESC_STATUS_LAST /* this entry must be last!!! */ }; +#define I40E_RXD_QW1_STATUS_SHIFT 0 +#define I40E_RXD_QW1_STATUS_MASK (((1 << I40E_RX_DESC_STATUS_LAST) - 1) \ + << I40E_RXD_QW1_STATUS_SHIFT) + #define I40E_RXD_QW1_STATUS_TSYNINDX_SHIFT I40E_RX_DESC_STATUS_TSYNINDX_SHIFT -#define I40E_RXD_QW1_STATUS_TSYNINDX_MASK (0x7UL << \ +#define I40E_RXD_QW1_STATUS_TSYNINDX_MASK (0x3UL << \ I40E_RXD_QW1_STATUS_TSYNINDX_SHIFT) +#define I40E_RXD_QW1_STATUS_TSYNVALID_SHIFT I40E_RX_DESC_STATUS_TSYNVALID_SHIFT +#define I40E_RXD_QW1_STATUS_TSYNVALID_MASK (0x1UL << \ + I40E_RXD_QW1_STATUS_TSYNVALID_SHIFT) + enum i40e_rx_desc_fltstat_values { I40E_RX_DESC_FLTSTAT_NO_DATA = 0, I40E_RX_DESC_FLTSTAT_RSV_FD_ID = 1, /* 16byte desc? FD_ID : RSV */ @@ -531,7 +541,8 @@ enum i40e_rx_desc_error_bits { I40E_RX_DESC_ERROR_IPE_SHIFT = 3, I40E_RX_DESC_ERROR_L4E_SHIFT = 4, I40E_RX_DESC_ERROR_EIPE_SHIFT = 5, - I40E_RX_DESC_ERROR_OVERSIZE_SHIFT = 6 + I40E_RX_DESC_ERROR_OVERSIZE_SHIFT = 6, + I40E_RX_DESC_ERROR_PPRS_SHIFT = 7 }; enum i40e_rx_desc_error_l3l4e_fcoe_masks { @@ -547,28 +558,32 @@ enum i40e_rx_desc_error_l3l4e_fcoe_masks { /* Packet type non-ip values */ enum i40e_rx_l2_ptype { - I40E_RX_PTYPE_L2_RESERVED = 0, - I40E_RX_PTYPE_L2_MAC_PAY2 = 1, - I40E_RX_PTYPE_L2_TIMESYNC_PAY2 = 2, - I40E_RX_PTYPE_L2_FIP_PAY2 = 3, - I40E_RX_PTYPE_L2_OUI_PAY2 = 4, - I40E_RX_PTYPE_L2_MACCNTRL_PAY2 = 5, - I40E_RX_PTYPE_L2_LLDP_PAY2 = 6, - I40E_RX_PTYPE_L2_ECP_PAY2 = 7, - I40E_RX_PTYPE_L2_EVB_PAY2 = 8, - I40E_RX_PTYPE_L2_QCN_PAY2 = 9, - I40E_RX_PTYPE_L2_EAPOL_PAY2 = 10, - I40E_RX_PTYPE_L2_ARP = 11, - I40E_RX_PTYPE_L2_FCOE_PAY3 = 12, - I40E_RX_PTYPE_L2_FCOE_FCDATA_PAY3 = 13, - I40E_RX_PTYPE_L2_FCOE_FCRDY_PAY3 = 14, - I40E_RX_PTYPE_L2_FCOE_FCRSP_PAY3 = 15, - I40E_RX_PTYPE_L2_FCOE_FCOTHER_PA = 16, - I40E_RX_PTYPE_L2_FCOE_VFT_PAY3 = 17, - I40E_RX_PTYPE_L2_FCOE_VFT_FCDATA = 18, - I40E_RX_PTYPE_L2_FCOE_VFT_FCRDY = 19, - I40E_RX_PTYPE_L2_FCOE_VFT_FCRSP = 20, - I40E_RX_PTYPE_L2_FCOE_VFT_FCOTHER = 21 + I40E_RX_PTYPE_L2_RESERVED = 0, + I40E_RX_PTYPE_L2_MAC_PAY2 = 1, + I40E_RX_PTYPE_L2_TIMESYNC_PAY2 = 2, + I40E_RX_PTYPE_L2_FIP_PAY2 = 3, + I40E_RX_PTYPE_L2_OUI_PAY2 = 4, + I40E_RX_PTYPE_L2_MACCNTRL_PAY2 = 5, + I40E_RX_PTYPE_L2_LLDP_PAY2 = 6, + I40E_RX_PTYPE_L2_ECP_PAY2 = 7, + I40E_RX_PTYPE_L2_EVB_PAY2 = 8, + I40E_RX_PTYPE_L2_QCN_PAY2 = 9, + I40E_RX_PTYPE_L2_EAPOL_PAY2 = 10, + I40E_RX_PTYPE_L2_ARP = 11, + I40E_RX_PTYPE_L2_FCOE_PAY3 = 12, + I40E_RX_PTYPE_L2_FCOE_FCDATA_PAY3 = 13, + I40E_RX_PTYPE_L2_FCOE_FCRDY_PAY3 = 14, + I40E_RX_PTYPE_L2_FCOE_FCRSP_PAY3 = 15, + I40E_RX_PTYPE_L2_FCOE_FCOTHER_PA = 16, + I40E_RX_PTYPE_L2_FCOE_VFT_PAY3 = 17, + I40E_RX_PTYPE_L2_FCOE_VFT_FCDATA = 18, + I40E_RX_PTYPE_L2_FCOE_VFT_FCRDY = 19, + I40E_RX_PTYPE_L2_FCOE_VFT_FCRSP = 20, + I40E_RX_PTYPE_L2_FCOE_VFT_FCOTHER = 21, + I40E_RX_PTYPE_GRENAT4_MAC_PAY3 = 58, + I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4 = 87, + I40E_RX_PTYPE_GRENAT6_MAC_PAY3 = 124, + I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4 = 153 }; struct i40e_rx_ptype_decoded { @@ -648,7 +663,6 @@ enum i40e_rx_desc_ext_status_bits { I40E_RX_DESC_EXT_STATUS_L2TAG3P_SHIFT = 1, I40E_RX_DESC_EXT_STATUS_FLEXBL_SHIFT = 2, /* 2 BITS */ I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT = 4, /* 2 BITS */ - I40E_RX_DESC_EXT_STATUS_FTYPE_SHIFT = 6, /* 3 BITS */ I40E_RX_DESC_EXT_STATUS_FDLONGB_SHIFT = 9, I40E_RX_DESC_EXT_STATUS_FCOELONGB_SHIFT = 10, I40E_RX_DESC_EXT_STATUS_PELONGB_SHIFT = 11, @@ -693,7 +707,7 @@ enum i40e_rx_prog_status_desc_prog_id_masks { enum i40e_rx_prog_status_desc_error_bits { /* Note: These are predefined bit offsets */ I40E_RX_PROG_STATUS_DESC_FD_TBL_FULL_SHIFT = 0, - I40E_RX_PROG_STATUS_DESC_NO_FD_QUOTA_SHIFT = 1, + I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT = 1, I40E_RX_PROG_STATUS_DESC_FCOE_TBL_FULL_SHIFT = 2, I40E_RX_PROG_STATUS_DESC_FCOE_CONFLICT_SHIFT = 3 }; @@ -852,22 +866,14 @@ struct i40e_filter_program_desc { /* Packet Classifier Types for filters */ enum i40e_filter_pctype { - /* Note: Value 0-25 are reserved for future use */ - I40E_FILTER_PCTYPE_IPV4_TEREDO_UDP = 26, - I40E_FILTER_PCTYPE_IPV6_TEREDO_UDP = 27, - I40E_FILTER_PCTYPE_NONF_IPV4_1588_UDP = 28, - I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP = 29, - I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP = 30, + /* Note: Values 0-30 are reserved for future use */ I40E_FILTER_PCTYPE_NONF_IPV4_UDP = 31, - I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN = 32, + /* Note: Value 32 is reserved for future use */ I40E_FILTER_PCTYPE_NONF_IPV4_TCP = 33, I40E_FILTER_PCTYPE_NONF_IPV4_SCTP = 34, I40E_FILTER_PCTYPE_NONF_IPV4_OTHER = 35, I40E_FILTER_PCTYPE_FRAG_IPV4 = 36, - /* Note: Value 37 is reserved for future use */ - I40E_FILTER_PCTYPE_NONF_IPV6_1588_UDP = 38, - I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP = 39, - I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP = 40, + /* Note: Values 37-40 are reserved for future use */ I40E_FILTER_PCTYPE_NONF_IPV6_UDP = 41, I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN = 42, I40E_FILTER_PCTYPE_NONF_IPV6_TCP = 43, @@ -877,7 +883,8 @@ enum i40e_filter_pctype { /* Note: Value 47 is reserved for future use */ I40E_FILTER_PCTYPE_FCOE_OX = 48, I40E_FILTER_PCTYPE_FCOE_RX = 49, - /* Note: Value 50-62 are reserved for future use */ + I40E_FILTER_PCTYPE_FCOE_OTHER = 50, + /* Note: Values 51-62 are reserved for future use */ I40E_FILTER_PCTYPE_L2_PAYLOAD = 63, }; @@ -948,6 +955,16 @@ struct i40e_vsi_context { struct i40e_aqc_vsi_properties_data info; }; +struct i40e_veb_context { + u16 seid; + u16 uplink_seid; + u16 veb_number; + u16 vebs_allocated; + u16 vebs_unallocated; + u16 flags; + struct i40e_aqc_get_veb_parameters_completion info; +}; + /* Statistics collected by each port, VSI, VEB, and S-channel */ struct i40e_eth_stats { u64 rx_bytes; /* gorc */ @@ -955,8 +972,6 @@ struct i40e_eth_stats { u64 rx_multicast; /* mprc */ u64 rx_broadcast; /* bprc */ u64 rx_discards; /* rdpc */ - u64 rx_errors; /* repc */ - u64 rx_missed; /* rmpc */ u64 rx_unknown_protocol; /* rupp */ u64 tx_bytes; /* gotc */ u64 tx_unicast; /* uptc */ @@ -1008,12 +1023,21 @@ struct i40e_hw_port_stats { u64 tx_size_big; /* ptc9522 */ u64 mac_short_packet_dropped; /* mspdc */ u64 checksum_error; /* xec */ + /* flow director stats */ + u64 fd_atr_match; + u64 fd_sb_match; + /* EEE LPI */ + u32 tx_lpi_status; + u32 rx_lpi_status; + u64 tx_lpi_count; /* etlpic */ + u64 rx_lpi_count; /* erlpic */ }; /* Checksum and Shadow RAM pointers */ #define I40E_SR_NVM_CONTROL_WORD 0x00 #define I40E_SR_EMP_MODULE_PTR 0x0F #define I40E_SR_NVM_IMAGE_VERSION 0x18 +#define I40E_SR_NVM_WAKE_ON_LAN 0x19 #define I40E_SR_ALTERNATE_SAN_MAC_ADDRESS_PTR 0x27 #define I40E_SR_NVM_EETRACK_LO 0x2D #define I40E_SR_NVM_EETRACK_HI 0x2E @@ -1138,17 +1162,4 @@ enum i40e_reset_type { I40E_RESET_GLOBR = 2, I40E_RESET_EMPR = 3, }; - -/* IEEE 802.1AB LLDP Agent Variables from NVM */ -#define I40E_NVM_LLDP_CFG_PTR 0xF -struct i40e_lldp_variables { - u16 length; - u16 adminstatus; - u16 msgfasttx; - u16 msgtxinterval; - u16 txparams; - u16 timers; - u16 crc8; -}; - #endif /* _I40E_TYPE_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h index cc6654f1dac..70951d2edca 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -142,7 +141,7 @@ struct i40e_virtchnl_vsi_resource { u16 num_queue_pairs; enum i40e_vsi_type vsi_type; u16 qset_handle; - u8 default_mac_addr[I40E_ETH_LENGTH_OF_ADDRESS]; + u8 default_mac_addr[ETH_ALEN]; }; /* VF offload flags */ #define I40E_VIRTCHNL_VF_OFFLOAD_L2 0x00000001 @@ -265,7 +264,7 @@ struct i40e_virtchnl_queue_select { */ struct i40e_virtchnl_ether_addr { - u8 addr[I40E_ETH_LENGTH_OF_ADDRESS]; + u8 addr[ETH_ALEN]; u8 pad[2]; }; @@ -342,10 +341,6 @@ struct i40e_virtchnl_pf_event { int severity; }; -/* The following are TBD, not necessary for LAN functionality. - * I40E_VIRTCHNL_OP_FCOE - */ - /* VF reset states - these are written into the RSTAT register: * I40E_VFGEN_RSTAT1 on the PF * I40E_VFGEN_RSTAT on the VF diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 8967e58e240..f5b9d206257 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -30,6 +29,24 @@ /***********************misc routines*****************************/ /** + * i40e_vc_disable_vf + * @pf: pointer to the pf info + * @vf: pointer to the vf info + * + * Disable the VF through a SW reset + **/ +static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf) +{ + struct i40e_hw *hw = &pf->hw; + u32 reg; + + reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); + reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; + wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); + i40e_flush(hw); +} + +/** * i40e_vc_isvalid_vsi_id * @vf: pointer to the vf info * @vsi_id: vf relative vsi id @@ -102,130 +119,6 @@ static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u8 vsi_idx, } /** - * i40e_ctrl_vsi_tx_queue - * @vf: pointer to the vf info - * @vsi_idx: index of VSI in PF struct - * @vsi_queue_id: vsi relative queue index - * @ctrl: control flags - * - * enable/disable/enable check/disable check - **/ -static int i40e_ctrl_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx, - u16 vsi_queue_id, - enum i40e_queue_ctrl ctrl) -{ - struct i40e_pf *pf = vf->pf; - struct i40e_hw *hw = &pf->hw; - bool writeback = false; - u16 pf_queue_id; - int ret = 0; - u32 reg; - - pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id); - reg = rd32(hw, I40E_QTX_ENA(pf_queue_id)); - - switch (ctrl) { - case I40E_QUEUE_CTRL_ENABLE: - reg |= I40E_QTX_ENA_QENA_REQ_MASK; - writeback = true; - break; - case I40E_QUEUE_CTRL_ENABLECHECK: - ret = (reg & I40E_QTX_ENA_QENA_STAT_MASK) ? 0 : -EPERM; - break; - case I40E_QUEUE_CTRL_DISABLE: - reg &= ~I40E_QTX_ENA_QENA_REQ_MASK; - writeback = true; - break; - case I40E_QUEUE_CTRL_DISABLECHECK: - ret = (reg & I40E_QTX_ENA_QENA_STAT_MASK) ? -EPERM : 0; - break; - case I40E_QUEUE_CTRL_FASTDISABLE: - reg |= I40E_QTX_ENA_FAST_QDIS_MASK; - writeback = true; - break; - case I40E_QUEUE_CTRL_FASTDISABLECHECK: - ret = (reg & I40E_QTX_ENA_QENA_STAT_MASK) ? -EPERM : 0; - if (!ret) { - reg &= ~I40E_QTX_ENA_FAST_QDIS_MASK; - writeback = true; - } - break; - default: - ret = -EINVAL; - break; - } - - if (writeback) { - wr32(hw, I40E_QTX_ENA(pf_queue_id), reg); - i40e_flush(hw); - } - - return ret; -} - -/** - * i40e_ctrl_vsi_rx_queue - * @vf: pointer to the vf info - * @vsi_idx: index of VSI in PF struct - * @vsi_queue_id: vsi relative queue index - * @ctrl: control flags - * - * enable/disable/enable check/disable check - **/ -static int i40e_ctrl_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx, - u16 vsi_queue_id, - enum i40e_queue_ctrl ctrl) -{ - struct i40e_pf *pf = vf->pf; - struct i40e_hw *hw = &pf->hw; - bool writeback = false; - u16 pf_queue_id; - int ret = 0; - u32 reg; - - pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id); - reg = rd32(hw, I40E_QRX_ENA(pf_queue_id)); - - switch (ctrl) { - case I40E_QUEUE_CTRL_ENABLE: - reg |= I40E_QRX_ENA_QENA_REQ_MASK; - writeback = true; - break; - case I40E_QUEUE_CTRL_ENABLECHECK: - ret = (reg & I40E_QRX_ENA_QENA_STAT_MASK) ? 0 : -EPERM; - break; - case I40E_QUEUE_CTRL_DISABLE: - reg &= ~I40E_QRX_ENA_QENA_REQ_MASK; - writeback = true; - break; - case I40E_QUEUE_CTRL_DISABLECHECK: - ret = (reg & I40E_QRX_ENA_QENA_STAT_MASK) ? -EPERM : 0; - break; - case I40E_QUEUE_CTRL_FASTDISABLE: - reg |= I40E_QRX_ENA_FAST_QDIS_MASK; - writeback = true; - break; - case I40E_QUEUE_CTRL_FASTDISABLECHECK: - ret = (reg & I40E_QRX_ENA_QENA_STAT_MASK) ? -EPERM : 0; - if (!ret) { - reg &= ~I40E_QRX_ENA_FAST_QDIS_MASK; - writeback = true; - } - break; - default: - ret = -EINVAL; - break; - } - - if (writeback) { - wr32(hw, I40E_QRX_ENA(pf_queue_id), reg); - i40e_flush(hw); - } - - return ret; -} - -/** * i40e_config_irq_link_list * @vf: pointer to the vf info * @vsi_idx: index of VSI in PF struct @@ -251,8 +144,8 @@ static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx, reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); else reg_idx = I40E_VPINT_LNKLSTN( - ((pf->hw.func_caps.num_msix_vectors_vf - 1) - * vf->vf_id) + (vector_id - 1)); + ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) + + (vector_id - 1)); if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) { /* Special case - No queues mapped on this vector */ @@ -260,23 +153,17 @@ static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx, goto irq_list_done; } tempmap = vecmap->rxq_map; - vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (vsi_queue_id < I40E_MAX_VSI_QP) { + for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { linklistmap |= (1 << (I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id)); - vsi_queue_id = - find_next_bit(&tempmap, I40E_MAX_VSI_QP, vsi_queue_id + 1); } tempmap = vecmap->txq_map; - vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (vsi_queue_id < I40E_MAX_VSI_QP) { + for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { linklistmap |= (1 << (I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id + 1)); - vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - vsi_queue_id + 1); } next_q = find_first_bit(&linklistmap, @@ -307,7 +194,8 @@ static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx, (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES), next_q + 1); - if (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { + if (next_q < + (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES; qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES; pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, @@ -360,6 +248,8 @@ static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx, tx_ctx.qlen = info->ring_len; tx_ctx.rdylist = le16_to_cpu(pf->vsi[vsi_idx]->info.qs_handle[0]); tx_ctx.rdylist_act = 0; + tx_ctx.head_wb_ena = info->headwb_enabled; + tx_ctx.head_wb_addr = info->dma_headwb_addr; /* clear the context in the HMC */ ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id); @@ -383,7 +273,7 @@ static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx, /* associate this queue with the PCI VF function */ qtx_ctl = I40E_QTX_CTL_VF_QUEUE; - qtx_ctl |= ((hw->hmc.hmc_fn_id << I40E_QTX_CTL_PF_INDX_SHIFT) + qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) & I40E_QTX_CTL_PF_INDX_MASK); qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id) << I40E_QTX_CTL_VFVM_INDX_SHIFT) @@ -463,6 +353,7 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx, rx_ctx.tphhead_ena = 1; rx_ctx.lrxqthresh = 2; rx_ctx.crcstrip = 1; + rx_ctx.prefena = 1; /* clear the context in the HMC */ ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id); @@ -499,7 +390,6 @@ static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type) { struct i40e_mac_filter *f = NULL; struct i40e_pf *pf = vf->pf; - struct i40e_hw *hw = &pf->hw; struct i40e_vsi *vsi; int ret = 0; @@ -513,167 +403,47 @@ static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type) goto error_alloc_vsi_res; } if (type == I40E_VSI_SRIOV) { + u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; vf->lan_vsi_index = vsi->idx; vf->lan_vsi_id = vsi->id; dev_info(&pf->pdev->dev, - "LAN VSI index %d, VSI id %d\n", - vsi->idx, vsi->id); + "VF %d assigned LAN VSI index %d, VSI id %d\n", + vf->vf_id, vsi->idx, vsi->id); + /* If the port VLAN has been configured and then the + * VF driver was removed then the VSI port VLAN + * configuration was destroyed. Check if there is + * a port VLAN and restore the VSI configuration if + * needed. + */ + if (vf->port_vlan_id) + i40e_vsi_add_pvid(vsi, vf->port_vlan_id); f = i40e_add_filter(vsi, vf->default_lan_addr.addr, - 0, true, false); - } - if (!f) { - dev_err(&pf->pdev->dev, "Unable to add ucast filter\n"); - ret = -ENOMEM; - goto error_alloc_vsi_res; + vf->port_vlan_id, true, false); + if (!f) + dev_info(&pf->pdev->dev, + "Could not allocate VF MAC addr\n"); + f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id, + true, false); + if (!f) + dev_info(&pf->pdev->dev, + "Could not allocate VF broadcast filter\n"); } /* program mac filter */ ret = i40e_sync_vsi_filters(vsi); - if (ret) { + if (ret) dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); - goto error_alloc_vsi_res; - } - - /* accept bcast pkts. by default */ - ret = i40e_aq_set_vsi_broadcast(hw, vsi->seid, true, NULL); - if (ret) { - dev_err(&pf->pdev->dev, - "set vsi bcast failed for vf %d, vsi %d, aq_err %d\n", - vf->vf_id, vsi->idx, pf->hw.aq.asq_last_status); - ret = -EINVAL; - } - -error_alloc_vsi_res: - return ret; -} - -/** - * i40e_reset_vf - * @vf: pointer to the vf structure - * @flr: VFLR was issued or not - * - * reset the vf - **/ -int i40e_reset_vf(struct i40e_vf *vf, bool flr) -{ - int ret = -ENOENT; - struct i40e_pf *pf = vf->pf; - struct i40e_hw *hw = &pf->hw; - u32 reg, reg_idx, msix_vf; - bool rsd = false; - u16 pf_queue_id; - int i, j; - - /* warn the VF */ - wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_INPROGRESS); - - clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); - /* PF triggers VFR only when VF requests, in case of - * VFLR, HW triggers VFR - */ - if (!flr) { - /* reset vf using VPGEN_VFRTRIG reg */ - reg = I40E_VPGEN_VFRTRIG_VFSWR_MASK; - wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); - i40e_flush(hw); - } - - /* poll VPGEN_VFRSTAT reg to make sure - * that reset is complete - */ - for (i = 0; i < 4; i++) { - /* vf reset requires driver to first reset the - * vf & than poll the status register to make sure - * that the requested op was completed - * successfully - */ - udelay(10); - reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); - if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { - rsd = true; - break; - } - } - - if (!rsd) - dev_err(&pf->pdev->dev, "VF reset check timeout %d\n", - vf->vf_id); - - /* fast disable qps */ - for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) { - ret = i40e_ctrl_vsi_tx_queue(vf, vf->lan_vsi_index, j, - I40E_QUEUE_CTRL_FASTDISABLE); - ret = i40e_ctrl_vsi_rx_queue(vf, vf->lan_vsi_index, j, - I40E_QUEUE_CTRL_FASTDISABLE); - } - - /* Queue enable/disable requires driver to - * first reset the vf & than poll the status register - * to make sure that the requested op was completed - * successfully - */ - udelay(10); - for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) { - ret = i40e_ctrl_vsi_tx_queue(vf, vf->lan_vsi_index, j, - I40E_QUEUE_CTRL_FASTDISABLECHECK); + /* Set VF bandwidth if specified */ + if (vf->tx_rate) { + ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, + vf->tx_rate / 50, 0, NULL); if (ret) - dev_info(&pf->pdev->dev, - "Queue control check failed on Tx queue %d of VSI %d VF %d\n", - vf->lan_vsi_index, j, vf->vf_id); - ret = i40e_ctrl_vsi_rx_queue(vf, vf->lan_vsi_index, j, - I40E_QUEUE_CTRL_FASTDISABLECHECK); - if (ret) - dev_info(&pf->pdev->dev, - "Queue control check failed on Rx queue %d of VSI %d VF %d\n", - vf->lan_vsi_index, j, vf->vf_id); + dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n", + vf->vf_id, ret); } - /* clear the irq settings */ - msix_vf = pf->hw.func_caps.num_msix_vectors_vf; - for (i = 0; i < msix_vf; i++) { - /* format is same for both registers */ - if (0 == i) - reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); - else - reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * - (vf->vf_id)) - + (i - 1)); - reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | - I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); - wr32(hw, reg_idx, reg); - i40e_flush(hw); - } - /* disable interrupts so the VF starts in a known state */ - for (i = 0; i < msix_vf; i++) { - /* format is same for both registers */ - if (0 == i) - reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); - else - reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * - (vf->vf_id)) - + (i - 1)); - wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); - i40e_flush(hw); - } - - /* set the defaults for the rqctl & tqctl registers */ - reg = (I40E_QINT_RQCTL_NEXTQ_INDX_MASK | I40E_QINT_RQCTL_ITR_INDX_MASK | - I40E_QINT_RQCTL_NEXTQ_TYPE_MASK); - for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) { - pf_queue_id = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, j); - wr32(hw, I40E_QINT_RQCTL(pf_queue_id), reg); - wr32(hw, I40E_QINT_TQCTL(pf_queue_id), reg); - } - - /* clear the reset bit in the VPGEN_VFRTRIG reg */ - reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); - reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; - wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); - /* tell the VF the reset is done */ - wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED); - i40e_flush(hw); - +error_alloc_vsi_res: return ret; } @@ -756,6 +526,9 @@ static void i40e_disable_vf_mappings(struct i40e_vf *vf) static void i40e_free_vf_res(struct i40e_vf *vf) { struct i40e_pf *pf = vf->pf; + struct i40e_hw *hw = &pf->hw; + u32 reg_idx, reg; + int i, msix_vf; /* free vsi & disconnect it from the parent uplink */ if (vf->lan_vsi_index) { @@ -763,6 +536,35 @@ static void i40e_free_vf_res(struct i40e_vf *vf) vf->lan_vsi_index = 0; vf->lan_vsi_id = 0; } + msix_vf = pf->hw.func_caps.num_msix_vectors_vf; + + /* disable interrupts so the VF starts in a known state */ + for (i = 0; i < msix_vf; i++) { + /* format is same for both registers */ + if (0 == i) + reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); + else + reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * + (vf->vf_id)) + + (i - 1)); + wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); + i40e_flush(hw); + } + + /* clear the irq settings */ + for (i = 0; i < msix_vf; i++) { + /* format is same for both registers */ + if (0 == i) + reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); + else + reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * + (vf->vf_id)) + + (i - 1)); + reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | + I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); + wr32(hw, reg_idx, reg); + i40e_flush(hw); + } /* reset some of the state varibles keeping * track of the resources */ @@ -804,6 +606,111 @@ error_alloc: return ret; } +#define VF_DEVICE_STATUS 0xAA +#define VF_TRANS_PENDING_MASK 0x20 +/** + * i40e_quiesce_vf_pci + * @vf: pointer to the vf structure + * + * Wait for VF PCI transactions to be cleared after reset. Returns -EIO + * if the transactions never clear. + **/ +static int i40e_quiesce_vf_pci(struct i40e_vf *vf) +{ + struct i40e_pf *pf = vf->pf; + struct i40e_hw *hw = &pf->hw; + int vf_abs_id, i; + u32 reg; + + vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; + + wr32(hw, I40E_PF_PCI_CIAA, + VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); + for (i = 0; i < 100; i++) { + reg = rd32(hw, I40E_PF_PCI_CIAD); + if ((reg & VF_TRANS_PENDING_MASK) == 0) + return 0; + udelay(1); + } + return -EIO; +} + +/** + * i40e_reset_vf + * @vf: pointer to the vf structure + * @flr: VFLR was issued or not + * + * reset the vf + **/ +void i40e_reset_vf(struct i40e_vf *vf, bool flr) +{ + struct i40e_pf *pf = vf->pf; + struct i40e_hw *hw = &pf->hw; + bool rsd = false; + int i; + u32 reg; + + /* warn the VF */ + clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); + + /* In the case of a VFLR, the HW has already reset the VF and we + * just need to clean up, so don't hit the VFRTRIG register. + */ + if (!flr) { + /* reset vf using VPGEN_VFRTRIG reg */ + reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); + reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; + wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); + i40e_flush(hw); + } + + if (i40e_quiesce_vf_pci(vf)) + dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n", + vf->vf_id); + + /* poll VPGEN_VFRSTAT reg to make sure + * that reset is complete + */ + for (i = 0; i < 100; i++) { + /* vf reset requires driver to first reset the + * vf & than poll the status register to make sure + * that the requested op was completed + * successfully + */ + udelay(10); + reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); + if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { + rsd = true; + break; + } + } + + if (!rsd) + dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", + vf->vf_id); + wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED); + /* clear the reset bit in the VPGEN_VFRTRIG reg */ + reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); + reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; + wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); + + /* On initial reset, we won't have any queues */ + if (vf->lan_vsi_index == 0) + goto complete_reset; + + i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_index], false); +complete_reset: + /* reallocate vf resources to reset the VSI state */ + i40e_free_vf_res(vf); + i40e_alloc_vf_res(vf); + i40e_enable_vf_mappings(vf); + set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); + + /* tell the VF the reset is done */ + wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE); + i40e_flush(hw); +} + /** * i40e_vfs_are_assigned * @pf: pointer to the pf structure @@ -816,7 +723,7 @@ static bool i40e_vfs_are_assigned(struct i40e_pf *pf) struct pci_dev *vfdev; /* loop through all the VFs to see if we own any that are assigned */ - vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, I40E_VF_DEVICE_ID , NULL); + vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, I40E_DEV_ID_VF , NULL); while (vfdev) { /* if we don't own it we don't care */ if (vfdev->is_virtfn && pci_physfn(vfdev) == pdev) { @@ -826,12 +733,82 @@ static bool i40e_vfs_are_assigned(struct i40e_pf *pf) } vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, - I40E_VF_DEVICE_ID, + I40E_DEV_ID_VF, vfdev); } return false; } +#ifdef CONFIG_PCI_IOV + +/** + * i40e_enable_pf_switch_lb + * @pf: pointer to the pf structure + * + * enable switch loop back or die - no point in a return value + **/ +static void i40e_enable_pf_switch_lb(struct i40e_pf *pf) +{ + struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; + struct i40e_vsi_context ctxt; + int aq_ret; + + ctxt.seid = pf->main_vsi_seid; + ctxt.pf_num = pf->hw.pf_id; + ctxt.vf_num = 0; + aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL); + if (aq_ret) { + dev_info(&pf->pdev->dev, + "%s couldn't get pf vsi config, err %d, aq_err %d\n", + __func__, aq_ret, pf->hw.aq.asq_last_status); + return; + } + ctxt.flags = I40E_AQ_VSI_TYPE_PF; + ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); + ctxt.info.switch_id |= cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + + aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); + if (aq_ret) { + dev_info(&pf->pdev->dev, + "%s: update vsi switch failed, aq_err=%d\n", + __func__, vsi->back->hw.aq.asq_last_status); + } +} +#endif + +/** + * i40e_disable_pf_switch_lb + * @pf: pointer to the pf structure + * + * disable switch loop back or die - no point in a return value + **/ +static void i40e_disable_pf_switch_lb(struct i40e_pf *pf) +{ + struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; + struct i40e_vsi_context ctxt; + int aq_ret; + + ctxt.seid = pf->main_vsi_seid; + ctxt.pf_num = pf->hw.pf_id; + ctxt.vf_num = 0; + aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL); + if (aq_ret) { + dev_info(&pf->pdev->dev, + "%s couldn't get pf vsi config, err %d, aq_err %d\n", + __func__, aq_ret, pf->hw.aq.asq_last_status); + return; + } + ctxt.flags = I40E_AQ_VSI_TYPE_PF; + ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); + ctxt.info.switch_id &= ~cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); + + aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); + if (aq_ret) { + dev_info(&pf->pdev->dev, + "%s: update vsi switch failed, aq_err=%d\n", + __func__, vsi->back->hw.aq.asq_last_status); + } +} /** * i40e_free_vfs @@ -842,17 +819,20 @@ static bool i40e_vfs_are_assigned(struct i40e_pf *pf) void i40e_free_vfs(struct i40e_pf *pf) { struct i40e_hw *hw = &pf->hw; - int i; + u32 reg_idx, bit_idx; + int i, tmp, vf_id; if (!pf->vf) return; /* Disable interrupt 0 so we don't try to handle the VFLR. */ - wr32(hw, I40E_PFINT_DYN_CTL0, 0); - i40e_flush(hw); + i40e_irq_dynamic_disable_icr0(pf); + mdelay(10); /* let any messages in transit get finished up */ /* free up vf resources */ - for (i = 0; i < pf->num_alloc_vfs; i++) { + tmp = pf->num_alloc_vfs; + pf->num_alloc_vfs = 0; + for (i = 0; i < tmp; i++) { if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) i40e_free_vf_res(&pf->vf[i]); /* disable qp mappings */ @@ -861,20 +841,29 @@ void i40e_free_vfs(struct i40e_pf *pf) kfree(pf->vf); pf->vf = NULL; - pf->num_alloc_vfs = 0; - if (!i40e_vfs_are_assigned(pf)) + /* This check is for when the driver is unloaded while VFs are + * assigned. Setting the number of VFs to 0 through sysfs is caught + * before this function ever gets called. + */ + if (!i40e_vfs_are_assigned(pf)) { pci_disable_sriov(pf->pdev); - else + /* Acknowledge VFLR for all VFS. Without this, VFs will fail to + * work correctly when SR-IOV gets re-enabled. + */ + for (vf_id = 0; vf_id < tmp; vf_id++) { + reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; + bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; + wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx)); + } + i40e_disable_pf_switch_lb(pf); + } else { dev_warn(&pf->pdev->dev, "unable to disable SR-IOV because VFs are assigned.\n"); + } /* Re-enable interrupt 0. */ - wr32(hw, I40E_PFINT_DYN_CTL0, - I40E_PFINT_DYN_CTL0_INTENA_MASK | - I40E_PFINT_DYN_CTL0_CLEARPBA_MASK | - (I40E_ITR_NONE << I40E_PFINT_DYN_CTL0_ITR_INDX_SHIFT)); - i40e_flush(hw); + i40e_irq_dynamic_enable_icr0(pf); } #ifdef CONFIG_PCI_IOV @@ -885,25 +874,31 @@ void i40e_free_vfs(struct i40e_pf *pf) * * allocate vf resources **/ -static int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) +int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) { struct i40e_vf *vfs; int i, ret = 0; - ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); - if (ret) { - dev_err(&pf->pdev->dev, - "pci_enable_sriov failed with error %d!\n", ret); - pf->num_alloc_vfs = 0; - goto err_iov; - } + /* Disable interrupt 0 so we don't try to handle the VFLR. */ + i40e_irq_dynamic_disable_icr0(pf); + /* Check to see if we're just allocating resources for extant VFs */ + if (pci_num_vf(pf->pdev) != num_alloc_vfs) { + ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); + if (ret) { + dev_err(&pf->pdev->dev, + "Failed to enable SR-IOV, error %d.\n", ret); + pf->num_alloc_vfs = 0; + goto err_iov; + } + } /* allocate memory */ - vfs = kzalloc(num_alloc_vfs * sizeof(struct i40e_vf), GFP_KERNEL); + vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL); if (!vfs) { ret = -ENOMEM; goto err_alloc; } + pf->vf = vfs; /* apply default profile */ for (i = 0; i < num_alloc_vfs; i++) { @@ -913,22 +908,22 @@ static int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) /* assign default capabilities */ set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); - - ret = i40e_alloc_vf_res(&vfs[i]); - i40e_reset_vf(&vfs[i], true); - if (ret) - break; + vfs[i].spoofchk = true; + /* vf resources get allocated during reset */ + i40e_reset_vf(&vfs[i], false); /* enable vf vplan_qtable mappings */ i40e_enable_vf_mappings(&vfs[i]); } - pf->vf = vfs; pf->num_alloc_vfs = num_alloc_vfs; + i40e_enable_pf_switch_lb(pf); err_alloc: if (ret) i40e_free_vfs(pf); err_iov: + /* Re-enable interrupt 0. */ + i40e_irq_dynamic_enable_icr0(pf); return ret; } @@ -988,7 +983,12 @@ int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) if (num_vfs) return i40e_pci_sriov_enable(pdev, num_vfs); - i40e_free_vfs(pf); + if (!i40e_vfs_are_assigned(pf)) { + i40e_free_vfs(pf); + } else { + dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); + return -EINVAL; + } return 0; } @@ -1009,6 +1009,7 @@ static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, { struct i40e_pf *pf = vf->pf; struct i40e_hw *hw = &pf->hw; + int true_vf_id = vf->vf_id + hw->func_caps.vf_base_id; i40e_status aq_ret; /* single place to detect unsuccessful return values */ @@ -1028,8 +1029,8 @@ static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, vf->num_valid_msgs++; } - aq_ret = i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval, - msg, msglen, NULL); + aq_ret = i40e_aq_send_msg_to_vf(hw, true_vf_id, v_opcode, v_retval, + msg, msglen, NULL); if (aq_ret) { dev_err(&pf->pdev->dev, "Unable to send the message to VF %d aq_err %d\n", @@ -1144,12 +1145,10 @@ err: * unlike other virtchnl messages, pf driver * doesn't send the response back to the vf **/ -static int i40e_vc_reset_vf_msg(struct i40e_vf *vf) +static void i40e_vc_reset_vf_msg(struct i40e_vf *vf) { - if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) - return -ENOENT; - - return i40e_reset_vf(vf, false); + if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) + i40e_reset_vf(vf, false); } /** @@ -1291,27 +1290,21 @@ static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) /* lookout for the invalid queue index */ tempmap = map->rxq_map; - vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (vsi_queue_id < I40E_MAX_VSI_QP) { + for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { if (!i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { aq_ret = I40E_ERR_PARAM; goto error_param; } - vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - vsi_queue_id + 1); } tempmap = map->txq_map; - vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (vsi_queue_id < I40E_MAX_VSI_QP) { + for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { if (!i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { aq_ret = I40E_ERR_PARAM; goto error_param; } - vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - vsi_queue_id + 1); } i40e_config_irq_link_list(vf, vsi_id, map); @@ -1337,8 +1330,6 @@ static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) struct i40e_pf *pf = vf->pf; u16 vsi_id = vqs->vsi_id; i40e_status aq_ret = 0; - unsigned long tempmap; - u16 queue_id; if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { aq_ret = I40E_ERR_PARAM; @@ -1354,66 +1345,8 @@ static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) aq_ret = I40E_ERR_PARAM; goto error_param; } - - tempmap = vqs->rx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) { - aq_ret = I40E_ERR_PARAM; - goto error_param; - } - i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_ENABLE); - - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } - - tempmap = vqs->tx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) { - aq_ret = I40E_ERR_PARAM; - goto error_param; - } - i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_ENABLE); - - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } - - /* Poll the status register to make sure that the - * requested op was completed successfully - */ - udelay(10); - - tempmap = vqs->rx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_ENABLECHECK)) { - dev_err(&pf->pdev->dev, - "Queue control check failed on RX queue %d of VSI %d VF %d\n", - queue_id, vsi_id, vf->vf_id); - } - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } - - tempmap = vqs->tx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_ENABLECHECK)) { - dev_err(&pf->pdev->dev, - "Queue control check failed on TX queue %d of VSI %d VF %d\n", - queue_id, vsi_id, vf->vf_id); - } - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } - + if (i40e_vsi_control_rings(pf->vsi[vsi_id], true)) + aq_ret = I40E_ERR_TIMEOUT; error_param: /* send the response to the vf */ return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, @@ -1436,8 +1369,6 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) struct i40e_pf *pf = vf->pf; u16 vsi_id = vqs->vsi_id; i40e_status aq_ret = 0; - unsigned long tempmap; - u16 queue_id; if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { aq_ret = I40E_ERR_PARAM; @@ -1453,65 +1384,8 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) aq_ret = I40E_ERR_PARAM; goto error_param; } - - tempmap = vqs->rx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) { - aq_ret = I40E_ERR_PARAM; - goto error_param; - } - i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_DISABLE); - - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } - - tempmap = vqs->tx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) { - aq_ret = I40E_ERR_PARAM; - goto error_param; - } - i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_DISABLE); - - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } - - /* Poll the status register to make sure that the - * requested op was completed successfully - */ - udelay(10); - - tempmap = vqs->rx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_DISABLECHECK)) { - dev_err(&pf->pdev->dev, - "Queue control check failed on RX queue %d of VSI %d VF %d\n", - queue_id, vsi_id, vf->vf_id); - } - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } - - tempmap = vqs->tx_queues; - queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP); - while (queue_id < I40E_MAX_VSI_QP) { - if (i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id, - I40E_QUEUE_CTRL_DISABLECHECK)) { - dev_err(&pf->pdev->dev, - "Queue control check failed on TX queue %d of VSI %d VF %d\n", - queue_id, vsi_id, vf->vf_id); - } - queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP, - queue_id + 1); - } + if (i40e_vsi_control_rings(pf->vsi[vsi_id], false)) + aq_ret = I40E_ERR_TIMEOUT; error_param: /* send the response to the vf */ @@ -1554,7 +1428,7 @@ static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) goto error_param; } i40e_update_eth_stats(vsi); - memcpy(&stats, &vsi->eth_stats, sizeof(struct i40e_eth_stats)); + stats = vsi->eth_stats; error_param: /* send the response back to the vf */ @@ -1563,6 +1437,40 @@ error_param: } /** + * i40e_check_vf_permission + * @vf: pointer to the vf info + * @macaddr: pointer to the MAC Address being checked + * + * Check if the VF has permission to add or delete unicast MAC address + * filters and return error code -EPERM if not. Then check if the + * address filter requested is broadcast or zero and if so return + * an invalid MAC address error code. + **/ +static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr) +{ + struct i40e_pf *pf = vf->pf; + int ret = 0; + + if (is_broadcast_ether_addr(macaddr) || + is_zero_ether_addr(macaddr)) { + dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr); + ret = I40E_ERR_INVALID_MAC_ADDR; + } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) && + !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) { + /* If the host VMM administrator has set the VF MAC address + * administratively via the ndo_set_vf_mac command then deny + * permission to the VF to add or delete unicast MAC addresses. + * The VF may request to set the MAC address filter already + * assigned to it so do not return an error in that case. + */ + dev_err(&pf->pdev->dev, + "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n"); + ret = -EPERM; + } + return ret; +} + +/** * i40e_vc_add_mac_addr_msg * @vf: pointer to the vf info * @msg: pointer to the msg buffer @@ -1577,24 +1485,20 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) struct i40e_pf *pf = vf->pf; struct i40e_vsi *vsi = NULL; u16 vsi_id = al->vsi_id; - i40e_status aq_ret = 0; + i40e_status ret = 0; int i; if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { - aq_ret = I40E_ERR_PARAM; + ret = I40E_ERR_PARAM; goto error_param; } for (i = 0; i < al->num_elements; i++) { - if (is_broadcast_ether_addr(al->list[i].addr) || - is_zero_ether_addr(al->list[i].addr)) { - dev_err(&pf->pdev->dev, "invalid VF MAC addr %pMAC\n", - al->list[i].addr); - aq_ret = I40E_ERR_PARAM; + ret = i40e_check_vf_permission(vf, al->list[i].addr); + if (ret) goto error_param; - } } vsi = pf->vsi[vsi_id]; @@ -1603,7 +1507,7 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) struct i40e_mac_filter *f; f = i40e_find_mac(vsi, al->list[i].addr, true, false); - if (f) { + if (!f) { if (i40e_is_vsi_in_vlan(vsi)) f = i40e_put_mac_in_vlan(vsi, al->list[i].addr, true, false); @@ -1615,7 +1519,7 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) if (!f) { dev_err(&pf->pdev->dev, "Unable to add VF MAC filter\n"); - aq_ret = I40E_ERR_PARAM; + ret = I40E_ERR_PARAM; goto error_param; } } @@ -1627,7 +1531,7 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) error_param: /* send the response to the vf */ return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, - aq_ret); + ret); } /** @@ -1645,15 +1549,25 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) struct i40e_pf *pf = vf->pf; struct i40e_vsi *vsi = NULL; u16 vsi_id = al->vsi_id; - i40e_status aq_ret = 0; + i40e_status ret = 0; int i; if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { - aq_ret = I40E_ERR_PARAM; + ret = I40E_ERR_PARAM; goto error_param; } + + for (i = 0; i < al->num_elements; i++) { + if (is_broadcast_ether_addr(al->list[i].addr) || + is_zero_ether_addr(al->list[i].addr)) { + dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", + al->list[i].addr); + ret = I40E_ERR_INVALID_MAC_ADDR; + goto error_param; + } + } vsi = pf->vsi[vsi_id]; /* delete addresses from the list */ @@ -1668,7 +1582,7 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) error_param: /* send the response to the vf */ return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, - aq_ret); + ret); } /** @@ -1777,30 +1691,6 @@ error_param: } /** - * i40e_vc_fcoe_msg - * @vf: pointer to the vf info - * @msg: pointer to the msg buffer - * @msglen: msg length - * - * called from the vf for the fcoe msgs - **/ -static int i40e_vc_fcoe_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) -{ - i40e_status aq_ret = 0; - - if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || - !test_bit(I40E_VF_STAT_FCOEENA, &vf->vf_states)) { - aq_ret = I40E_ERR_PARAM; - goto error_param; - } - aq_ret = I40E_ERR_NOT_IMPLEMENTED; - -error_param: - /* send the response to the vf */ - return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_FCOE, aq_ret); -} - -/** * i40e_vc_validate_vf_msg * @vf: pointer to the vf info * @msg: pointer to the msg buffer @@ -1920,19 +1810,24 @@ static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode, int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen) { - struct i40e_vf *vf = &(pf->vf[vf_id]); struct i40e_hw *hw = &pf->hw; + unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id; + struct i40e_vf *vf; int ret; pf->vf_aq_requests++; + if (local_vf_id >= pf->num_alloc_vfs) + return -EINVAL; + vf = &(pf->vf[local_vf_id]); /* perform basic checks on the msg */ ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen); if (ret) { - dev_err(&pf->pdev->dev, "invalid message from vf %d\n", vf_id); + dev_err(&pf->pdev->dev, "Invalid message from vf %d, opcode %d, len %d\n", + local_vf_id, v_opcode, msglen); return ret; } - wr32(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_VFACTIVE); + switch (v_opcode) { case I40E_VIRTCHNL_OP_VERSION: ret = i40e_vc_get_version_msg(vf); @@ -1941,7 +1836,8 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, ret = i40e_vc_get_vf_resources_msg(vf); break; case I40E_VIRTCHNL_OP_RESET_VF: - ret = i40e_vc_reset_vf_msg(vf); + i40e_vc_reset_vf_msg(vf); + ret = 0; break; case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen); @@ -1973,13 +1869,10 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, case I40E_VIRTCHNL_OP_GET_STATS: ret = i40e_vc_get_stats_msg(vf, msg, msglen); break; - case I40E_VIRTCHNL_OP_FCOE: - ret = i40e_vc_fcoe_msg(vf, msg, msglen); - break; case I40E_VIRTCHNL_OP_UNKNOWN: default: - dev_err(&pf->pdev->dev, - "Unsupported opcode %d from vf %d\n", v_opcode, vf_id); + dev_err(&pf->pdev->dev, "Unsupported opcode %d from vf %d\n", + v_opcode, local_vf_id); ret = i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_NOT_IMPLEMENTED); break; @@ -2015,19 +1908,8 @@ int i40e_vc_process_vflr_event(struct i40e_pf *pf) /* clear the bit in GLGEN_VFLRSTAT */ wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx)); - if (i40e_reset_vf(vf, true)) - dev_err(&pf->pdev->dev, - "Unable to reset the VF %d\n", vf_id); - /* free up vf resources to destroy vsi state */ - i40e_free_vf_res(vf); - - /* allocate new vf resources with the default state */ - if (i40e_alloc_vf_res(vf)) - dev_err(&pf->pdev->dev, - "Unable to allocate VF resources %d\n", - vf_id); - - i40e_enable_vf_mappings(vf); + if (!test_bit(__I40E_DOWN, &pf->state)) + i40e_reset_vf(vf, true); } } @@ -2078,15 +1960,28 @@ static void i40e_vc_vf_broadcast(struct i40e_pf *pf, void i40e_vc_notify_link_state(struct i40e_pf *pf) { struct i40e_virtchnl_pf_event pfe; + struct i40e_hw *hw = &pf->hw; + struct i40e_vf *vf = pf->vf; + struct i40e_link_status *ls = &pf->hw.phy.link_info; + int i; pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; - pfe.event_data.link_event.link_status = - pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; - pfe.event_data.link_event.link_speed = pf->hw.phy.link_info.link_speed; - - i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS, - (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event)); + for (i = 0; i < pf->num_alloc_vfs; i++) { + if (vf->link_forced) { + pfe.event_data.link_event.link_status = vf->link_up; + pfe.event_data.link_event.link_speed = + (vf->link_up ? I40E_LINK_SPEED_40GB : 0); + } else { + pfe.event_data.link_event.link_status = + ls->link_info & I40E_AQ_LINK_UP; + pfe.event_data.link_event.link_speed = ls->link_speed; + } + i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT, + 0, (u8 *)&pfe, sizeof(pfe), + NULL); + vf++; + } } /** @@ -2164,16 +2059,14 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) } /* delete the temporary mac address */ - i40e_del_filter(vsi, vf->default_lan_addr.addr, 0, true, false); + i40e_del_filter(vsi, vf->default_lan_addr.addr, vf->port_vlan_id, + true, false); - /* add the new mac address */ - f = i40e_add_filter(vsi, mac, 0, true, false); - if (!f) { - dev_err(&pf->pdev->dev, - "Unable to add VF ucast filter\n"); - ret = -ENOMEM; - goto error_param; - } + /* Delete all the filters for this VSI - we're going to kill it + * anyway. + */ + list_for_each_entry(f, &vsi->mac_filter_list, list) + i40e_del_filter(vsi, f->macaddr, f->vlan, true, false); dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id); /* program mac filter */ @@ -2182,7 +2075,8 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) ret = -EIO; goto error_param; } - memcpy(vf->default_lan_addr.addr, mac, ETH_ALEN); + ether_addr_copy(vf->default_lan_addr.addr, mac); + vf->pf_set_mac = true; dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n"); ret = 0; @@ -2229,6 +2123,30 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, goto error_pvid; } + if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) { + dev_err(&pf->pdev->dev, + "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n", + vf_id); + /* Administrator Error - knock the VF offline until he does + * the right thing by reconfiguring his network correctly + * and then reloading the VF driver. + */ + i40e_vc_disable_vf(pf, vf); + } + + /* Check for condition where there was already a port VLAN ID + * filter set and now it is being deleted by setting it to zero. + * Additionally check for the condition where there was a port + * VLAN but now there is a new and different port VLAN being set. + * Before deleting all the old VLAN filters we must add new ones + * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our + * MAC addresses deleted. + */ + if ((!(vlan_id || qos) || + (vlan_id | qos) != le16_to_cpu(vsi->info.pvid)) && + vsi->info.pvid) + ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY); + if (vsi->info.pvid) { /* kill old VLAN */ ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) & @@ -2243,7 +2161,7 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, ret = i40e_vsi_add_pvid(vsi, vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT)); else - i40e_vlan_stripping_disable(vsi); + i40e_vsi_remove_pvid(vsi); if (vlan_id) { dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", @@ -2257,18 +2175,28 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, vsi->back->hw.aq.asq_last_status); goto error_pvid; } + /* Kill non-vlan MAC filters - ignore error return since + * there might not be any non-vlan MAC filters. + */ + i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY); } if (ret) { dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n"); goto error_pvid; } + /* The Port VLAN needs to be saved across resets the same as the + * default LAN MAC address. + */ + vf->port_vlan_id = le16_to_cpu(vsi->info.pvid); ret = 0; error_pvid: return ret; } +#define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ +#define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */ /** * i40e_ndo_set_vf_bw * @netdev: network interface device structure @@ -2277,9 +2205,76 @@ error_pvid: * * configure vf tx rate **/ -int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate) +int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, + int max_tx_rate) { - return -EOPNOTSUPP; + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + struct i40e_vsi *vsi; + struct i40e_vf *vf; + int speed = 0; + int ret = 0; + + /* validate the request */ + if (vf_id >= pf->num_alloc_vfs) { + dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id); + ret = -EINVAL; + goto error; + } + + if (min_tx_rate) { + dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for vf %d.\n", + min_tx_rate, vf_id); + return -EINVAL; + } + + vf = &(pf->vf[vf_id]); + vsi = pf->vsi[vf->lan_vsi_index]; + if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { + dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id); + ret = -EINVAL; + goto error; + } + + switch (pf->hw.phy.link_info.link_speed) { + case I40E_LINK_SPEED_40GB: + speed = 40000; + break; + case I40E_LINK_SPEED_10GB: + speed = 10000; + break; + case I40E_LINK_SPEED_1GB: + speed = 1000; + break; + default: + break; + } + + if (max_tx_rate > speed) { + dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for vf %d.", + max_tx_rate, vf->vf_id); + ret = -EINVAL; + goto error; + } + + if ((max_tx_rate < 50) && (max_tx_rate > 0)) { + dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n"); + max_tx_rate = 50; + } + + /* Tx rate credits are in values of 50Mbps, 0 is disabled*/ + ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, + max_tx_rate / I40E_BW_CREDIT_DIVISOR, + I40E_MAX_BW_INACTIVE_ACCUM, NULL); + if (ret) { + dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n", + ret); + ret = -EIO; + goto error; + } + vf->tx_rate = max_tx_rate; +error: + return ret; } /** @@ -2294,7 +2289,6 @@ int i40e_ndo_get_vf_config(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi) { struct i40e_netdev_priv *np = netdev_priv(netdev); - struct i40e_mac_filter *f, *ftmp; struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; struct i40e_vf *vf; @@ -2318,18 +2312,130 @@ int i40e_ndo_get_vf_config(struct net_device *netdev, ivi->vf = vf_id; - /* first entry of the list is the default ethernet address */ - list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) { - memcpy(&ivi->mac, f->macaddr, I40E_ETH_LENGTH_OF_ADDRESS); - break; - } + memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN); - ivi->tx_rate = 0; + ivi->max_tx_rate = vf->tx_rate; + ivi->min_tx_rate = 0; ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> I40E_VLAN_PRIORITY_SHIFT; + if (vf->link_forced == false) + ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; + else if (vf->link_up == true) + ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; + else + ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; + ivi->spoofchk = vf->spoofchk; ret = 0; error_param: return ret; } + +/** + * i40e_ndo_set_vf_link_state + * @netdev: network interface device structure + * @vf_id: vf identifier + * @link: required link state + * + * Set the link state of a specified VF, regardless of physical link state + **/ +int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + struct i40e_virtchnl_pf_event pfe; + struct i40e_hw *hw = &pf->hw; + struct i40e_vf *vf; + int ret = 0; + + /* validate the request */ + if (vf_id >= pf->num_alloc_vfs) { + dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); + ret = -EINVAL; + goto error_out; + } + + vf = &pf->vf[vf_id]; + + pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; + pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; + + switch (link) { + case IFLA_VF_LINK_STATE_AUTO: + vf->link_forced = false; + pfe.event_data.link_event.link_status = + pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; + pfe.event_data.link_event.link_speed = + pf->hw.phy.link_info.link_speed; + break; + case IFLA_VF_LINK_STATE_ENABLE: + vf->link_forced = true; + vf->link_up = true; + pfe.event_data.link_event.link_status = true; + pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB; + break; + case IFLA_VF_LINK_STATE_DISABLE: + vf->link_forced = true; + vf->link_up = false; + pfe.event_data.link_event.link_status = false; + pfe.event_data.link_event.link_speed = 0; + break; + default: + ret = -EINVAL; + goto error_out; + } + /* Notify the VF of its new link state */ + i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT, + 0, (u8 *)&pfe, sizeof(pfe), NULL); + +error_out: + return ret; +} + +/** + * i40e_ndo_set_vf_spoofchk + * @netdev: network interface device structure + * @vf_id: vf identifier + * @enable: flag to enable or disable feature + * + * Enable or disable VF spoof checking + **/ +int i40e_ndo_set_vf_spoofck(struct net_device *netdev, int vf_id, bool enable) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + struct i40e_vsi_context ctxt; + struct i40e_hw *hw = &pf->hw; + struct i40e_vf *vf; + int ret = 0; + + /* validate the request */ + if (vf_id >= pf->num_alloc_vfs) { + dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); + ret = -EINVAL; + goto out; + } + + vf = &(pf->vf[vf_id]); + + if (enable == vf->spoofchk) + goto out; + + vf->spoofchk = enable; + memset(&ctxt, 0, sizeof(ctxt)); + ctxt.seid = pf->vsi[vf->lan_vsi_index]->seid; + ctxt.pf_num = pf->hw.pf_id; + ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); + if (enable) + ctxt.info.sec_flags |= I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK; + ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); + if (ret) { + dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n", + ret); + ret = -EIO; + } +out: + return ret; +} diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h index 360382cf304..63e7e0d81ad 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 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, @@ -12,9 +12,8 @@ * 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. + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". @@ -82,6 +81,8 @@ struct i40e_vf { struct i40e_virtchnl_ether_addr default_lan_addr; struct i40e_virtchnl_ether_addr default_fcoe_addr; + u16 port_vlan_id; + bool pf_set_mac; /* The VMM admin set the VF MAC address */ /* VSI indices - actual VSI pointers are maintained in the PF structure * When assigned, these will be non-zero, because VSI 0 is always @@ -97,23 +98,32 @@ struct i40e_vf { unsigned long vf_caps; /* vf's adv. capabilities */ unsigned long vf_states; /* vf's runtime states */ + unsigned int tx_rate; /* Tx bandwidth limit in Mbps */ + bool link_forced; + bool link_up; /* only valid if vf link is forced */ + bool spoofchk; }; void i40e_free_vfs(struct i40e_pf *pf); int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs); +int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs); int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen); int i40e_vc_process_vflr_event(struct i40e_pf *pf); -int i40e_reset_vf(struct i40e_vf *vf, bool flr); +void i40e_reset_vf(struct i40e_vf *vf, bool flr); void i40e_vc_notify_vf_reset(struct i40e_vf *vf); /* vf configuration related iplink handlers */ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac); int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos); -int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate); +int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, + int max_tx_rate); int i40e_ndo_get_vf_config(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi); +int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link); +int i40e_ndo_set_vf_spoofck(struct net_device *netdev, int vf_id, bool enable); + void i40e_vc_notify_link_state(struct i40e_pf *pf); void i40e_vc_notify_reset(struct i40e_pf *pf); |