222 lines
6.1 KiB
C
222 lines
6.1 KiB
C
|
/*******************************************************************************
|
||
|
|
|
||
|
|
Intel PRO/10GbE Linux driver
|
||
|
|
Copyright(c) 1999 - 2008 Intel Corporation.
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify it
|
||
|
|
under the terms and conditions of the GNU General Public License,
|
||
|
|
version 2, as published by the Free Software Foundation.
|
||
|
|
|
||
|
|
This program is distributed in the hope it will be useful, but WITHOUT
|
||
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||
|
|
more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License along with
|
||
|
|
this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
|
||
|
|
The full GNU General Public License is included in this distribution in
|
||
|
|
the file called "COPYING".
|
||
|
|
|
||
|
|
Contact Information:
|
||
|
|
Linux NICS <linux.nics@intel.com>
|
||
|
|
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
|
||
|
|
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
||
|
|
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
#ifndef _IXGB_H_
|
||
|
|
#define _IXGB_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>
|
||
|
|
#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/ethtool.h>
|
||
|
|
#include <linux/if_vlan.h>
|
||
|
|
|
||
|
|
#define BAR_0 0
|
||
|
|
#define BAR_1 1
|
||
|
|
#define BAR_5 5
|
||
|
|
|
||
|
|
struct ixgb_adapter;
|
||
|
|
#include "ixgb_hw.h"
|
||
|
|
#include "ixgb_ee.h"
|
||
|
|
#include "ixgb_ids.h"
|
||
|
|
|
||
|
|
#ifdef _DEBUG_DRIVER_
|
||
|
|
#define IXGB_DBG(args...) printk(KERN_DEBUG "ixgb: " args)
|
||
|
|
#else
|
||
|
|
#define IXGB_DBG(args...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define PFX "ixgb: "
|
||
|
|
#define DPRINTK(nlevel, klevel, fmt, args...) \
|
||
|
|
(void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
|
||
|
|
printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
|
||
|
|
__func__ , ## args))
|
||
|
|
|
||
|
|
|
||
|
|
/* TX/RX descriptor defines */
|
||
|
|
#define DEFAULT_TXD 256
|
||
|
|
#define MAX_TXD 4096
|
||
|
|
#define MIN_TXD 64
|
||
|
|
|
||
|
|
/* hardware cannot reliably support more than 512 descriptors owned by
|
||
|
|
* hardware descriptor cache otherwise an unreliable ring under heavy
|
||
|
|
* receive load may result */
|
||
|
|
#define DEFAULT_RXD 512
|
||
|
|
#define MAX_RXD 512
|
||
|
|
#define MIN_RXD 64
|
||
|
|
|
||
|
|
/* Supported Rx Buffer Sizes */
|
||
|
|
#define IXGB_RXBUFFER_2048 2048
|
||
|
|
#define IXGB_RXBUFFER_4096 4096
|
||
|
|
#define IXGB_RXBUFFER_8192 8192
|
||
|
|
#define IXGB_RXBUFFER_16384 16384
|
||
|
|
|
||
|
|
/* How many Rx Buffers do we bundle into one write to the hardware ? */
|
||
|
|
#define IXGB_RX_BUFFER_WRITE 8 /* Must be power of 2 */
|
||
|
|
|
||
|
|
/* wrapper around a pointer to a socket buffer,
|
||
|
|
* so a DMA handle can be stored along with the buffer */
|
||
|
|
struct ixgb_buffer {
|
||
|
|
struct sk_buff *skb;
|
||
|
|
dma_addr_t dma;
|
||
|
|
unsigned long time_stamp;
|
||
|
|
u16 length;
|
||
|
|
u16 next_to_watch;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ixgb_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 ixgb_buffer *buffer_info;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define IXGB_DESC_UNUSED(R) \
|
||
|
|
((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
|
||
|
|
(R)->next_to_clean - (R)->next_to_use - 1)
|
||
|
|
|
||
|
|
#define IXGB_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
|
||
|
|
#define IXGB_RX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_rx_desc)
|
||
|
|
#define IXGB_TX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_tx_desc)
|
||
|
|
#define IXGB_CONTEXT_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_context_desc)
|
||
|
|
|
||
|
|
/* board specific private data structure */
|
||
|
|
|
||
|
|
struct ixgb_adapter {
|
||
|
|
struct timer_list watchdog_timer;
|
||
|
|
struct vlan_group *vlgrp;
|
||
|
|
u32 bd_number;
|
||
|
|
u32 rx_buffer_len;
|
||
|
|
u32 part_num;
|
||
|
|
u16 link_speed;
|
||
|
|
u16 link_duplex;
|
||
|
|
struct work_struct tx_timeout_task;
|
||
|
|
|
||
|
|
struct timer_list blink_timer;
|
||
|
|
unsigned long led_status;
|
||
|
|
|
||
|
|
/* TX */
|
||
|
|
struct ixgb_desc_ring tx_ring ____cacheline_aligned_in_smp;
|
||
|
|
unsigned int restart_queue;
|
||
|
|
unsigned long timeo_start;
|
||
|
|
u32 tx_cmd_type;
|
||
|
|
u64 hw_csum_tx_good;
|
||
|
|
u64 hw_csum_tx_error;
|
||
|
|
u32 tx_int_delay;
|
||
|
|
u32 tx_timeout_count;
|
||
|
|
bool tx_int_delay_enable;
|
||
|
|
bool detect_tx_hung;
|
||
|
|
|
||
|
|
/* RX */
|
||
|
|
struct ixgb_desc_ring rx_ring;
|
||
|
|
u64 hw_csum_rx_error;
|
||
|
|
u64 hw_csum_rx_good;
|
||
|
|
u32 rx_int_delay;
|
||
|
|
bool rx_csum;
|
||
|
|
|
||
|
|
/* OS defined structs */
|
||
|
|
struct napi_struct napi;
|
||
|
|
struct net_device *netdev;
|
||
|
|
struct pci_dev *pdev;
|
||
|
|
struct net_device_stats net_stats;
|
||
|
|
|
||
|
|
/* structs defined in ixgb_hw.h */
|
||
|
|
struct ixgb_hw hw;
|
||
|
|
u16 msg_enable;
|
||
|
|
struct ixgb_hw_stats stats;
|
||
|
|
u32 alloc_rx_buff_failed;
|
||
|
|
bool have_msi;
|
||
|
|
unsigned long flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum ixgb_state_t {
|
||
|
|
/* TBD
|
||
|
|
__IXGB_TESTING,
|
||
|
|
__IXGB_RESETTING,
|
||
|
|
*/
|
||
|
|
__IXGB_DOWN
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Exported from other modules */
|
||
|
|
extern void ixgb_check_options(struct ixgb_adapter *adapter);
|
||
|
|
extern void ixgb_set_ethtool_ops(struct net_device *netdev);
|
||
|
|
extern char ixgb_driver_name[];
|
||
|
|
extern const char ixgb_driver_version[];
|
||
|
|
|
||
|
|
extern int ixgb_up(struct ixgb_adapter *adapter);
|
||
|
|
extern void ixgb_down(struct ixgb_adapter *adapter, bool kill_watchdog);
|
||
|
|
extern void ixgb_reset(struct ixgb_adapter *adapter);
|
||
|
|
extern int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
|
||
|
|
extern int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
|
||
|
|
extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
|
||
|
|
extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
|
||
|
|
extern void ixgb_update_stats(struct ixgb_adapter *adapter);
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _IXGB_H_ */
|