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Diffstat (limited to 'drivers/net/e1000/e1000.h')
| -rw-r--r-- | drivers/net/e1000/e1000.h | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h new file mode 100644 index 00000000000..148930d4e9b --- /dev/null +++ b/drivers/net/e1000/e1000.h @@ -0,0 +1,261 @@ +/******************************************************************************* + + + Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + Linux NICS <linux.nics@intel.com> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +*******************************************************************************/ + + +/* Linux PRO/1000 Ethernet Driver main header file */ + +#ifndef _E1000_H_ +#define _E1000_H_ + +#include <linux/stddef.h> +#include <linux/config.h> +#include <linux/module.h> +#include <linux/types.h> +#include <asm/byteorder.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/delay.h> +#include <linux/timer.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/interrupt.h> +#include <linux/string.h> +#include <linux/pagemap.h> +#include <linux/dma-mapping.h> +#include <linux/bitops.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <linux/capability.h> +#include <linux/in.h> +#include <linux/ip.h> +#include <linux/tcp.h> +#include <linux/udp.h> +#include <net/pkt_sched.h> +#include <linux/list.h> +#include <linux/reboot.h> +#ifdef NETIF_F_TSO +#include <net/checksum.h> +#endif +#include <linux/workqueue.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/if_vlan.h> + +#define BAR_0 0 +#define BAR_1 1 +#define BAR_5 5 + +#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} + +struct e1000_adapter; + +#include "e1000_hw.h" + +#ifdef DBG +#define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args) +#else +#define E1000_DBG(args...) +#endif + +#define E1000_ERR(args...) printk(KERN_ERR "e1000: " args) + +#define PFX "e1000: " +#define DPRINTK(nlevel, klevel, fmt, args...) \ + (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \ + printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \ + __FUNCTION__ , ## args)) + +#define E1000_MAX_INTR 10 + +/* TX/RX descriptor defines */ +#define E1000_DEFAULT_TXD 256 +#define E1000_MAX_TXD 256 +#define E1000_MIN_TXD 80 +#define E1000_MAX_82544_TXD 4096 + +#define E1000_DEFAULT_RXD 256 +#define E1000_MAX_RXD 256 +#define E1000_MIN_RXD 80 +#define E1000_MAX_82544_RXD 4096 + +/* Supported Rx Buffer Sizes */ +#define E1000_RXBUFFER_2048 2048 +#define E1000_RXBUFFER_4096 4096 +#define E1000_RXBUFFER_8192 8192 +#define E1000_RXBUFFER_16384 16384 + +/* SmartSpeed delimiters */ +#define E1000_SMARTSPEED_DOWNSHIFT 3 +#define E1000_SMARTSPEED_MAX 15 + +/* Packet Buffer allocations */ +#define E1000_PBA_BYTES_SHIFT 0xA +#define E1000_TX_HEAD_ADDR_SHIFT 7 +#define E1000_PBA_TX_MASK 0xFFFF0000 + +/* Flow Control Watermarks */ +#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */ +#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */ + +#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */ + +/* How many Tx Descriptors do we need to call netif_wake_queue ? */ +#define E1000_TX_QUEUE_WAKE 16 +/* How many Rx Buffers do we bundle into one write to the hardware ? */ +#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ + +#define AUTO_ALL_MODES 0 +#define E1000_EEPROM_82544_APM 0x0004 +#define E1000_EEPROM_APME 0x0400 + +#ifndef E1000_MASTER_SLAVE +/* Switch to override PHY master/slave setting */ +#define E1000_MASTER_SLAVE e1000_ms_hw_default +#endif + +/* only works for sizes that are powers of 2 */ +#define E1000_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1))) + +/* wrapper around a pointer to a socket buffer, + * so a DMA handle can be stored along with the buffer */ +struct e1000_buffer { + struct sk_buff *skb; + uint64_t dma; + unsigned long time_stamp; + uint16_t length; + uint16_t next_to_watch; +}; + +struct e1000_desc_ring { + /* pointer to the descriptor ring memory */ + void *desc; + /* physical address of the descriptor ring */ + dma_addr_t dma; + /* length of descriptor ring in bytes */ + unsigned int size; + /* number of descriptors in the ring */ + unsigned int count; + /* next descriptor to associate a buffer with */ + unsigned int next_to_use; + /* next descriptor to check for DD status bit */ + unsigned int next_to_clean; + /* array of buffer information structs */ + struct e1000_buffer *buffer_info; +}; + +#define E1000_DESC_UNUSED(R) \ + ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ + (R)->next_to_clean - (R)->next_to_use - 1) + +#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) +#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc) +#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) +#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) + +/* board specific private data structure */ + +struct e1000_adapter { + struct timer_list tx_fifo_stall_timer; + struct timer_list watchdog_timer; + struct timer_list phy_info_timer; + struct vlan_group *vlgrp; + uint32_t bd_number; + uint32_t rx_buffer_len; + uint32_t part_num; + uint32_t wol; + uint32_t smartspeed; + uint32_t en_mng_pt; + uint16_t link_speed; + uint16_t link_duplex; + spinlock_t stats_lock; + atomic_t irq_sem; + struct work_struct tx_timeout_task; + struct work_struct watchdog_task; + uint8_t fc_autoneg; + + struct timer_list blink_timer; + unsigned long led_status; + + /* TX */ + struct e1000_desc_ring tx_ring; + struct e1000_buffer previous_buffer_info; + spinlock_t tx_lock; + uint32_t txd_cmd; + uint32_t tx_int_delay; + uint32_t tx_abs_int_delay; + uint32_t gotcl; + uint64_t gotcl_old; + uint64_t tpt_old; + uint64_t colc_old; + uint32_t tx_fifo_head; + uint32_t tx_head_addr; + uint32_t tx_fifo_size; + atomic_t tx_fifo_stall; + boolean_t pcix_82544; + boolean_t detect_tx_hung; + + /* RX */ + struct e1000_desc_ring rx_ring; + uint64_t hw_csum_err; + uint64_t hw_csum_good; + uint32_t rx_int_delay; + uint32_t rx_abs_int_delay; + boolean_t rx_csum; + uint32_t gorcl; + uint64_t gorcl_old; + + /* Interrupt Throttle Rate */ + uint32_t itr; + + /* OS defined structs */ + struct net_device *netdev; + struct pci_dev *pdev; + struct net_device_stats net_stats; + + /* structs defined in e1000_hw.h */ + struct e1000_hw hw; + struct e1000_hw_stats stats; + struct e1000_phy_info phy_info; + struct e1000_phy_stats phy_stats; + + uint32_t test_icr; + struct e1000_desc_ring test_tx_ring; + struct e1000_desc_ring test_rx_ring; + + + int msg_enable; +}; +#endif /* _E1000_H_ */ |