381 lines
10 KiB
C
381 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/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/ipv6.h>
|
||
|
|
#include <linux/tcp.h>
|
||
|
|
#include <linux/udp.h>
|
||
|
|
#include <net/pkt_sched.h>
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <linux/reboot.h>
|
||
|
|
#include <net/checksum.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"
|
||
|
|
|
||
|
|
#define E1000_MAX_INTR 10
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Count for polling __E1000_RESET condition every 10-20msec.
|
||
|
|
*/
|
||
|
|
#define E1000_CHECK_RESET_COUNT 50
|
||
|
|
|
||
|
|
/* TX/RX descriptor defines */
|
||
|
|
#define E1000_DEFAULT_TXD 256
|
||
|
|
#define E1000_MAX_TXD 256
|
||
|
|
#define E1000_MIN_TXD 48
|
||
|
|
#define E1000_MAX_82544_TXD 4096
|
||
|
|
|
||
|
|
#define E1000_DEFAULT_RXD 256
|
||
|
|
#define E1000_MAX_RXD 256
|
||
|
|
#define E1000_MIN_RXD 48
|
||
|
|
#define E1000_MAX_82544_RXD 4096
|
||
|
|
|
||
|
|
#define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */
|
||
|
|
#define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */
|
||
|
|
|
||
|
|
/* 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 0xFFFF /* pause for the max or until send xon */
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
#define E1000_MNG_VLAN_NONE (-1)
|
||
|
|
|
||
|
|
/* wrapper around a pointer to a socket buffer,
|
||
|
|
* so a DMA handle can be stored along with the buffer
|
||
|
|
*/
|
||
|
|
struct e1000_tx_buffer {
|
||
|
|
struct sk_buff *skb;
|
||
|
|
dma_addr_t dma;
|
||
|
|
unsigned long time_stamp;
|
||
|
|
u16 length;
|
||
|
|
u16 next_to_watch;
|
||
|
|
bool mapped_as_page;
|
||
|
|
unsigned short segs;
|
||
|
|
unsigned int bytecount;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct e1000_rx_buffer {
|
||
|
|
union {
|
||
|
|
struct page *page; /* jumbo: alloc_page */
|
||
|
|
u8 *data; /* else, netdev_alloc_frag */
|
||
|
|
} rxbuf;
|
||
|
|
dma_addr_t dma;
|
||
|
|
};
|
||
|
|
|
||
|
|
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_tx_buffer *buffer_info;
|
||
|
|
|
||
|
|
u16 tdh;
|
||
|
|
u16 tdt;
|
||
|
|
bool 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_rx_buffer *buffer_info;
|
||
|
|
struct sk_buff *rx_skb_top;
|
||
|
|
|
||
|
|
/* cpu for rx queue */
|
||
|
|
int cpu;
|
||
|
|
|
||
|
|
u16 rdh;
|
||
|
|
u16 rdt;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define E1000_DESC_UNUSED(R) \
|
||
|
|
({ \
|
||
|
|
unsigned int clean = smp_load_acquire(&(R)->next_to_clean); \
|
||
|
|
unsigned int use = READ_ONCE((R)->next_to_use); \
|
||
|
|
(clean > use ? 0 : (R)->count) + clean - use - 1; \
|
||
|
|
})
|
||
|
|
|
||
|
|
#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 {
|
||
|
|
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
|
||
|
|
u16 mng_vlan_id;
|
||
|
|
u32 bd_number;
|
||
|
|
u32 rx_buffer_len;
|
||
|
|
u32 wol;
|
||
|
|
u32 smartspeed;
|
||
|
|
u32 en_mng_pt;
|
||
|
|
u16 link_speed;
|
||
|
|
u16 link_duplex;
|
||
|
|
spinlock_t stats_lock;
|
||
|
|
unsigned int total_tx_bytes;
|
||
|
|
unsigned int total_tx_packets;
|
||
|
|
unsigned int total_rx_bytes;
|
||
|
|
unsigned int total_rx_packets;
|
||
|
|
/* Interrupt Throttle Rate */
|
||
|
|
u32 itr;
|
||
|
|
u32 itr_setting;
|
||
|
|
u16 tx_itr;
|
||
|
|
u16 rx_itr;
|
||
|
|
|
||
|
|
u8 fc_autoneg;
|
||
|
|
|
||
|
|
/* TX */
|
||
|
|
struct e1000_tx_ring *tx_ring; /* One per active queue */
|
||
|
|
unsigned int restart_queue;
|
||
|
|
u32 txd_cmd;
|
||
|
|
u32 tx_int_delay;
|
||
|
|
u32 tx_abs_int_delay;
|
||
|
|
u32 gotcl;
|
||
|
|
u64 gotcl_old;
|
||
|
|
u64 tpt_old;
|
||
|
|
u64 colc_old;
|
||
|
|
u32 tx_timeout_count;
|
||
|
|
u32 tx_fifo_head;
|
||
|
|
u32 tx_head_addr;
|
||
|
|
u32 tx_fifo_size;
|
||
|
|
u8 tx_timeout_factor;
|
||
|
|
atomic_t tx_fifo_stall;
|
||
|
|
bool pcix_82544;
|
||
|
|
bool detect_tx_hung;
|
||
|
|
bool dump_buffers;
|
||
|
|
|
||
|
|
/* RX */
|
||
|
|
bool (*clean_rx)(struct e1000_adapter *adapter,
|
||
|
|
struct e1000_rx_ring *rx_ring,
|
||
|
|
int *work_done, int work_to_do);
|
||
|
|
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 */
|
||
|
|
struct napi_struct napi;
|
||
|
|
|
||
|
|
int num_tx_queues;
|
||
|
|
int num_rx_queues;
|
||
|
|
|
||
|
|
u64 hw_csum_err;
|
||
|
|
u64 hw_csum_good;
|
||
|
|
u32 alloc_rx_buff_failed;
|
||
|
|
u32 rx_int_delay;
|
||
|
|
u32 rx_abs_int_delay;
|
||
|
|
bool rx_csum;
|
||
|
|
u32 gorcl;
|
||
|
|
u64 gorcl_old;
|
||
|
|
|
||
|
|
/* OS defined structs */
|
||
|
|
struct net_device *netdev;
|
||
|
|
struct pci_dev *pdev;
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
|
||
|
|
u32 test_icr;
|
||
|
|
struct e1000_tx_ring test_tx_ring;
|
||
|
|
struct e1000_rx_ring test_rx_ring;
|
||
|
|
|
||
|
|
int msg_enable;
|
||
|
|
|
||
|
|
/* to not mess up cache alignment, always add to the bottom */
|
||
|
|
bool tso_force;
|
||
|
|
bool smart_power_down; /* phy smart power down */
|
||
|
|
bool quad_port_a;
|
||
|
|
unsigned long flags;
|
||
|
|
u32 eeprom_wol;
|
||
|
|
|
||
|
|
/* for ioport free */
|
||
|
|
int bars;
|
||
|
|
int need_ioport;
|
||
|
|
|
||
|
|
bool discarding;
|
||
|
|
|
||
|
|
struct work_struct reset_task;
|
||
|
|
struct delayed_work watchdog_task;
|
||
|
|
struct delayed_work fifo_stall_task;
|
||
|
|
struct delayed_work phy_info_task;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum e1000_state_t {
|
||
|
|
__E1000_TESTING,
|
||
|
|
__E1000_RESETTING,
|
||
|
|
__E1000_DOWN,
|
||
|
|
__E1000_DISABLED
|
||
|
|
};
|
||
|
|
|
||
|
|
#undef pr_fmt
|
||
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
||
|
|
|
||
|
|
struct net_device *e1000_get_hw_dev(struct e1000_hw *hw);
|
||
|
|
#define e_dbg(format, arg...) \
|
||
|
|
netdev_dbg(e1000_get_hw_dev(hw), format, ## arg)
|
||
|
|
#define e_err(msglvl, format, arg...) \
|
||
|
|
netif_err(adapter, msglvl, adapter->netdev, format, ## arg)
|
||
|
|
#define e_info(msglvl, format, arg...) \
|
||
|
|
netif_info(adapter, msglvl, adapter->netdev, format, ## arg)
|
||
|
|
#define e_warn(msglvl, format, arg...) \
|
||
|
|
netif_warn(adapter, msglvl, adapter->netdev, format, ## arg)
|
||
|
|
#define e_notice(msglvl, format, arg...) \
|
||
|
|
netif_notice(adapter, msglvl, adapter->netdev, format, ## arg)
|
||
|
|
#define e_dev_info(format, arg...) \
|
||
|
|
dev_info(&adapter->pdev->dev, format, ## arg)
|
||
|
|
#define e_dev_warn(format, arg...) \
|
||
|
|
dev_warn(&adapter->pdev->dev, format, ## arg)
|
||
|
|
#define e_dev_err(format, arg...) \
|
||
|
|
dev_err(&adapter->pdev->dev, format, ## arg)
|
||
|
|
|
||
|
|
extern char e1000_driver_name[];
|
||
|
|
extern const char e1000_driver_version[];
|
||
|
|
|
||
|
|
int e1000_open(struct net_device *netdev);
|
||
|
|
int e1000_close(struct net_device *netdev);
|
||
|
|
int e1000_up(struct e1000_adapter *adapter);
|
||
|
|
void e1000_down(struct e1000_adapter *adapter);
|
||
|
|
void e1000_reinit_locked(struct e1000_adapter *adapter);
|
||
|
|
void e1000_reset(struct e1000_adapter *adapter);
|
||
|
|
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx);
|
||
|
|
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
|
||
|
|
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
|
||
|
|
void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
|
||
|
|
void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
|
||
|
|
void e1000_update_stats(struct e1000_adapter *adapter);
|
||
|
|
bool e1000_has_link(struct e1000_adapter *adapter);
|
||
|
|
void e1000_power_up_phy(struct e1000_adapter *);
|
||
|
|
void e1000_set_ethtool_ops(struct net_device *netdev);
|
||
|
|
void e1000_check_options(struct e1000_adapter *adapter);
|
||
|
|
char *e1000_get_hw_dev_name(struct e1000_hw *hw);
|
||
|
|
|
||
|
|
#endif /* _E1000_H_ */
|