/*
* r8169.c: RealTek 8169/8168/8101 ethernet driver.
*
* Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
* Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
* Copyright (c) a lot of people too. Please respect their work.
*
* See MAINTAINERS file for support contact information.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
#include <linux/crc32.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/irq.h>
#define RTL8169_VERSION "2.3LK-NAPI"
#define MODULENAME "r8169"
#define PFX MODULENAME ": "
#ifdef RTL8169_DEBUG
#define assert(expr) \
if (!(expr)) { \
printk( "Assertion failed! %s,%s,%s,line=%d\n", \
#expr,__FILE__,__func__,__LINE__); \
}
#define dprintk(fmt, args...) \
do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
#else
#define assert(expr) do {} while (0)
#define dprintk(fmt, args...) do {} while (0)
#endif /* RTL8169_DEBUG */
#define R8169_MSG_DEFAULT \
(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
#define TX_BUFFS_AVAIL(tp) \
(tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
/* Maximum events (Rx packets, etc.) to handle at each interrupt. */
static const int max_interrupt_work = 20;
/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
The RTL chips use a 64 element hash table based on the Ethernet CRC. */
static const int multicast_filter_limit = 32;
/* MAC address length */
#define MAC_ADDR_LEN 6
#define MAX_READ_REQUEST_SHIFT 12
#define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
#define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
| 