367 lines
10 KiB
C
367 lines
10 KiB
C
/*******************************************************************************
|
|
|
|
Intel PRO/1000 Linux driver
|
|
Copyright(c) 1999 - 2006 Intel Corporation.
|
|
|
|
This program is free software; you can redistribute it and/or modify it
|
|
under the terms and conditions of the GNU General Public License,
|
|
version 2, as published by the Free Software Foundation.
|
|
|
|
This program is distributed in the hope it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
The full GNU General Public License is included in this distribution in
|
|
the file called "COPYING".
|
|
|
|
Contact Information:
|
|
Linux NICS <linux.nics@intel.com>
|
|
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
|
|
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
|
|
*******************************************************************************/
|
|
|
|
|
|
/* Linux PRO/1000 Ethernet Driver main header file */
|
|
|
|
#ifndef _E1000_H_
|
|
#define _E1000_H_
|
|
|
|
#include <linux/stddef.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>
|
|
#ifdef NETIF_F_TSO6
|
|
#include <linux/ipv6.h>
|
|
#endif
|
|
#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/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
|
|
|
|
/* this is the size past which hardware will drop packets when setting LPE=0 */
|
|
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
|
|
|
|
/* Supported Rx Buffer Sizes */
|
|
#define E1000_RXBUFFER_128 128 /* Used for packet split */
|
|
#define E1000_RXBUFFER_256 256 /* Used for packet split */
|
|
#define E1000_RXBUFFER_512 512
|
|
#define E1000_RXBUFFER_1024 1024
|
|
#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_ICH8_APME 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
|
|
|
|
#define E1000_MNG_VLAN_NONE -1
|
|
/* Number of packet split data buffers (not including the header buffer) */
|
|
#define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1
|
|
|
|
/* 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;
|
|
dma_addr_t dma;
|
|
unsigned long time_stamp;
|
|
uint16_t length;
|
|
uint16_t next_to_watch;
|
|
};
|
|
|
|
|
|
struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; };
|
|
struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; };
|
|
|
|
struct e1000_tx_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;
|
|
|
|
spinlock_t tx_lock;
|
|
uint16_t tdh;
|
|
uint16_t tdt;
|
|
boolean_t last_tx_tso;
|
|
};
|
|
|
|
struct e1000_rx_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;
|
|
/* arrays of page information for packet split */
|
|
struct e1000_ps_page *ps_page;
|
|
struct e1000_ps_page_dma *ps_page_dma;
|
|
|
|
/* cpu for rx queue */
|
|
int cpu;
|
|
|
|
uint16_t rdh;
|
|
uint16_t rdt;
|
|
};
|
|
|
|
#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_RX_DESC_PS(R, i) \
|
|
(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
|
|
#define E1000_RX_DESC_EXT(R, i) \
|
|
(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
|
|
#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;
|
|
uint16_t mng_vlan_id;
|
|
uint32_t bd_number;
|
|
uint32_t rx_buffer_len;
|
|
uint32_t wol;
|
|
uint32_t smartspeed;
|
|
uint32_t en_mng_pt;
|
|
uint16_t link_speed;
|
|
uint16_t link_duplex;
|
|
spinlock_t stats_lock;
|
|
#ifdef CONFIG_E1000_NAPI
|
|
spinlock_t tx_queue_lock;
|
|
#endif
|
|
atomic_t irq_sem;
|
|
unsigned int detect_link;
|
|
unsigned int total_tx_bytes;
|
|
unsigned int total_tx_packets;
|
|
unsigned int total_rx_bytes;
|
|
unsigned int total_rx_packets;
|
|
/* Interrupt Throttle Rate */
|
|
uint32_t itr;
|
|
uint32_t itr_setting;
|
|
uint16_t tx_itr;
|
|
uint16_t rx_itr;
|
|
|
|
struct work_struct reset_task;
|
|
uint8_t fc_autoneg;
|
|
|
|
struct timer_list blink_timer;
|
|
unsigned long led_status;
|
|
|
|
/* TX */
|
|
struct e1000_tx_ring *tx_ring; /* One per active queue */
|
|
unsigned int restart_queue;
|
|
unsigned long tx_queue_len;
|
|
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_timeout_count;
|
|
uint32_t tx_fifo_head;
|
|
uint32_t tx_head_addr;
|
|
uint32_t tx_fifo_size;
|
|
uint8_t tx_timeout_factor;
|
|
atomic_t tx_fifo_stall;
|
|
boolean_t pcix_82544;
|
|
boolean_t detect_tx_hung;
|
|
|
|
/* RX */
|
|
#ifdef CONFIG_E1000_NAPI
|
|
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
|
|
struct e1000_rx_ring *rx_ring,
|
|
int *work_done, int work_to_do);
|
|
#else
|
|
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
|
|
struct e1000_rx_ring *rx_ring);
|
|
#endif
|
|
void (*alloc_rx_buf) (struct e1000_adapter *adapter,
|
|
struct e1000_rx_ring *rx_ring,
|
|
int cleaned_count);
|
|
struct e1000_rx_ring *rx_ring; /* One per active queue */
|
|
#ifdef CONFIG_E1000_NAPI
|
|
struct net_device *polling_netdev; /* One per active queue */
|
|
#endif
|
|
int num_tx_queues;
|
|
int num_rx_queues;
|
|
|
|
uint64_t hw_csum_err;
|
|
uint64_t hw_csum_good;
|
|
uint64_t rx_hdr_split;
|
|
uint32_t alloc_rx_buff_failed;
|
|
uint32_t rx_int_delay;
|
|
uint32_t rx_abs_int_delay;
|
|
boolean_t rx_csum;
|
|
unsigned int rx_ps_pages;
|
|
uint32_t gorcl;
|
|
uint64_t gorcl_old;
|
|
uint16_t rx_ps_bsize0;
|
|
|
|
|
|
/* 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_tx_ring test_tx_ring;
|
|
struct e1000_rx_ring test_rx_ring;
|
|
|
|
|
|
uint32_t *config_space;
|
|
int msg_enable;
|
|
#ifdef CONFIG_PCI_MSI
|
|
boolean_t have_msi;
|
|
#endif
|
|
/* to not mess up cache alignment, always add to the bottom */
|
|
#ifdef NETIF_F_TSO
|
|
boolean_t tso_force;
|
|
#endif
|
|
boolean_t smart_power_down; /* phy smart power down */
|
|
boolean_t quad_port_a;
|
|
unsigned long flags;
|
|
uint32_t eeprom_wol;
|
|
};
|
|
|
|
enum e1000_state_t {
|
|
__E1000_TESTING,
|
|
__E1000_RESETTING,
|
|
__E1000_DOWN
|
|
};
|
|
|
|
#endif /* _E1000_H_ */
|