Subversion Repositories or1k

/*******************************************************************************
 
 
  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/interrupt.h>
#include <linux/string.h>
#include <linux/pagemap.h>
#include <asm/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/tqueue.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 PCI_DMA_64BIT	0xffffffffffffffffULL
#define PCI_DMA_32BIT	0x00000000ffffffffULL
 
 
struct e1000_adapter;
 
#include "e1000_hw.h"
 
#if 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 E1000_MAX_INTR 10
 
/* How many descriptors for TX and RX ? */
#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_TX_FIFO_SIZE_SHIFT 0xA
#define E1000_TX_HEAD_ADDR_SHIFT 7
#define E1000_PBA_TX_MASK 0xFFFF0000
 
/* Flow Control High-Watermark: 5688 bytes below Rx FIFO size */
#define E1000_FC_HIGH_DIFF 0x1638
 
/* Flow Control Low-Watermark: 5696 bytes below Rx FIFO size */
#define E1000_FC_LOW_DIFF 0x1640
 
/* Flow Control Pause Time: 858 usec */
#define E1000_FC_PAUSE_TIME 0x0680
 
/* 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_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 length;
	unsigned long time_stamp;
	unsigned int 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;
	uint16_t link_speed;
	uint16_t link_duplex;
	spinlock_t stats_lock;
	atomic_t irq_sem;
	struct tq_struct tx_timeout_task;
     	uint8_t fc_autoneg;
 
	struct timer_list blink_timer;
	unsigned long led_status;
 
	/* TX */
	struct e1000_desc_ring tx_ring;
	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;
 
	/* 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;
 
 
	uint32_t pci_state[16];
};
#endif /* _E1000_H_ */