author | Patrick Bruenn <p.bruenn@beckhoff.com> |
Thu, 05 Jun 2014 17:27:16 +0200 | |
branch | stable-1.5 |
changeset 2572 | 0bc1ec2711b1 |
parent 2200 | 9f7856d9462f |
permissions | -rw-r--r-- |
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/******************************************************************************* |
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Intel PRO/1000 Linux driver |
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Copyright(c) 1999 - 2006 Intel Corporation. |
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This program is free software; you can redistribute it and/or modify it |
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under the terms and conditions of the GNU General Public License, |
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version 2, as published by the Free Software Foundation. |
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This program is distributed in the hope it will be useful, but WITHOUT |
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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more details. |
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You should have received a copy of the GNU General Public License along with |
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this program; if not, write to the Free Software Foundation, Inc., |
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
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The full GNU General Public License is included in this distribution in |
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the file called "COPYING". |
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Contact Information: |
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Linux NICS <linux.nics@intel.com> |
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e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
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*******************************************************************************/ |
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/* Linux PRO/1000 Ethernet Driver main header file */ |
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#ifndef _E1000_H_ |
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#define _E1000_H_ |
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#include <linux/stddef.h> |
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#include <linux/module.h> |
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#include <linux/types.h> |
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#include <asm/byteorder.h> |
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#include <linux/init.h> |
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#include <linux/mm.h> |
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#include <linux/errno.h> |
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#include <linux/ioport.h> |
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#include <linux/pci.h> |
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#include <linux/kernel.h> |
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#include <linux/netdevice.h> |
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#include <linux/etherdevice.h> |
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#include <linux/skbuff.h> |
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#include <linux/delay.h> |
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#include <linux/timer.h> |
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#include <linux/slab.h> |
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#include <linux/vmalloc.h> |
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#include <linux/interrupt.h> |
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#include <linux/string.h> |
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#include <linux/pagemap.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/bitops.h> |
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#include <asm/io.h> |
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#include <asm/irq.h> |
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#include <linux/capability.h> |
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#include <linux/in.h> |
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#include <linux/ip.h> |
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#include <linux/ipv6.h> |
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#include <linux/tcp.h> |
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#include <linux/udp.h> |
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#include <net/pkt_sched.h> |
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#include <linux/list.h> |
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#include <linux/reboot.h> |
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#include <net/checksum.h> |
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#include <linux/mii.h> |
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#include <linux/ethtool.h> |
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#include <linux/if_vlan.h> |
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#define BAR_0 0 |
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#define BAR_1 1 |
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#define BAR_5 5 |
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#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\ |
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PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} |
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struct e1000_adapter; |
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#include "e1000_hw.h" |
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#ifdef DBG |
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#define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args) |
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#else |
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#define E1000_DBG(args...) |
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#endif |
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#define E1000_ERR(args...) printk(KERN_ERR "e1000: " args) |
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#define PFX "e1000: " |
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#define DPRINTK(nlevel, klevel, fmt, args...) \ |
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do { \ |
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if (NETIF_MSG_##nlevel & adapter->msg_enable) \ |
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printk(KERN_##klevel PFX "%s: %s: " fmt, \ |
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adapter->netdev->name, __func__, ##args); \ |
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} while (0) |
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#define E1000_MAX_INTR 10 |
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/* TX/RX descriptor defines */ |
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#define E1000_DEFAULT_TXD 256 |
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#define E1000_MAX_TXD 256 |
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#define E1000_MIN_TXD 80 |
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#define E1000_MAX_82544_TXD 4096 |
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#define E1000_DEFAULT_RXD 256 |
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#define E1000_MAX_RXD 256 |
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#define E1000_MIN_RXD 80 |
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#define E1000_MAX_82544_RXD 4096 |
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/* this is the size past which hardware will drop packets when setting LPE=0 */ |
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#define MAXIMUM_ETHERNET_VLAN_SIZE 1522 |
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/* Supported Rx Buffer Sizes */ |
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#define E1000_RXBUFFER_128 128 /* Used for packet split */ |
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#define E1000_RXBUFFER_256 256 /* Used for packet split */ |
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#define E1000_RXBUFFER_512 512 |
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#define E1000_RXBUFFER_1024 1024 |
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#define E1000_RXBUFFER_2048 2048 |
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#define E1000_RXBUFFER_4096 4096 |
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#define E1000_RXBUFFER_8192 8192 |
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#define E1000_RXBUFFER_16384 16384 |
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/* SmartSpeed delimiters */ |
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#define E1000_SMARTSPEED_DOWNSHIFT 3 |
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#define E1000_SMARTSPEED_MAX 15 |
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/* Packet Buffer allocations */ |
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132 |
#define E1000_PBA_BYTES_SHIFT 0xA |
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133 |
#define E1000_TX_HEAD_ADDR_SHIFT 7 |
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#define E1000_PBA_TX_MASK 0xFFFF0000 |
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135 |
|
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136 |
/* Flow Control Watermarks */ |
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137 |
#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */ |
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138 |
#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */ |
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139 |
|
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140 |
#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */ |
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141 |
|
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142 |
/* How many Tx Descriptors do we need to call netif_wake_queue ? */ |
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143 |
#define E1000_TX_QUEUE_WAKE 16 |
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144 |
/* How many Rx Buffers do we bundle into one write to the hardware ? */ |
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145 |
#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ |
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146 |
|
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147 |
#define AUTO_ALL_MODES 0 |
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148 |
#define E1000_EEPROM_82544_APM 0x0004 |
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#define E1000_EEPROM_ICH8_APME 0x0004 |
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150 |
#define E1000_EEPROM_APME 0x0400 |
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151 |
|
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152 |
#ifndef E1000_MASTER_SLAVE |
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153 |
/* Switch to override PHY master/slave setting */ |
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154 |
#define E1000_MASTER_SLAVE e1000_ms_hw_default |
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#endif |
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156 |
|
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157 |
#define E1000_MNG_VLAN_NONE (-1) |
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158 |
|
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159 |
/* wrapper around a pointer to a socket buffer, |
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160 |
* so a DMA handle can be stored along with the buffer */ |
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161 |
struct e1000_buffer { |
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162 |
struct sk_buff *skb; |
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163 |
dma_addr_t dma; |
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164 |
unsigned long time_stamp; |
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165 |
u16 length; |
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166 |
u16 next_to_watch; |
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167 |
}; |
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168 |
|
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169 |
struct e1000_tx_ring { |
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/* pointer to the descriptor ring memory */ |
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171 |
void *desc; |
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/* physical address of the descriptor ring */ |
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173 |
dma_addr_t dma; |
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174 |
/* length of descriptor ring in bytes */ |
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175 |
unsigned int size; |
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176 |
/* number of descriptors in the ring */ |
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177 |
unsigned int count; |
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178 |
/* next descriptor to associate a buffer with */ |
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179 |
unsigned int next_to_use; |
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180 |
/* next descriptor to check for DD status bit */ |
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181 |
unsigned int next_to_clean; |
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182 |
/* array of buffer information structs */ |
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183 |
struct e1000_buffer *buffer_info; |
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184 |
|
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185 |
spinlock_t tx_lock; |
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186 |
u16 tdh; |
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u16 tdt; |
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188 |
bool last_tx_tso; |
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189 |
}; |
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190 |
|
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struct e1000_rx_ring { |
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/* pointer to the descriptor ring memory */ |
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void *desc; |
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/* physical address of the descriptor ring */ |
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dma_addr_t dma; |
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196 |
/* length of descriptor ring in bytes */ |
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197 |
unsigned int size; |
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198 |
/* number of descriptors in the ring */ |
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199 |
unsigned int count; |
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/* next descriptor to associate a buffer with */ |
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201 |
unsigned int next_to_use; |
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202 |
/* next descriptor to check for DD status bit */ |
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203 |
unsigned int next_to_clean; |
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204 |
/* array of buffer information structs */ |
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205 |
struct e1000_buffer *buffer_info; |
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206 |
|
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207 |
/* cpu for rx queue */ |
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208 |
int cpu; |
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209 |
|
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210 |
u16 rdh; |
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u16 rdt; |
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212 |
}; |
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213 |
|
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214 |
#define E1000_DESC_UNUSED(R) \ |
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215 |
((((R)->next_to_clean > (R)->next_to_use) \ |
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? 0 : (R)->count) + (R)->next_to_clean - (R)->next_to_use - 1) |
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217 |
|
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218 |
#define E1000_RX_DESC_EXT(R, i) \ |
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219 |
(&(((union e1000_rx_desc_extended *)((R).desc))[i])) |
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220 |
#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) |
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221 |
#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc) |
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#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) |
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223 |
#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) |
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224 |
|
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225 |
/* board specific private data structure */ |
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226 |
|
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227 |
struct e1000_adapter { |
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228 |
struct timer_list tx_fifo_stall_timer; |
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229 |
struct timer_list watchdog_timer; |
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230 |
struct timer_list phy_info_timer; |
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231 |
struct vlan_group *vlgrp; |
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232 |
u16 mng_vlan_id; |
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233 |
u32 bd_number; |
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234 |
u32 rx_buffer_len; |
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235 |
u32 wol; |
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236 |
u32 smartspeed; |
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237 |
u32 en_mng_pt; |
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238 |
u16 link_speed; |
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239 |
u16 link_duplex; |
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240 |
spinlock_t stats_lock; |
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241 |
spinlock_t tx_queue_lock; |
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242 |
unsigned int total_tx_bytes; |
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243 |
unsigned int total_tx_packets; |
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244 |
unsigned int total_rx_bytes; |
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245 |
unsigned int total_rx_packets; |
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246 |
/* Interrupt Throttle Rate */ |
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247 |
u32 itr; |
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248 |
u32 itr_setting; |
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249 |
u16 tx_itr; |
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250 |
u16 rx_itr; |
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251 |
|
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252 |
struct work_struct reset_task; |
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253 |
u8 fc_autoneg; |
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254 |
|
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255 |
struct timer_list blink_timer; |
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256 |
unsigned long led_status; |
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257 |
|
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258 |
/* TX */ |
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259 |
struct e1000_tx_ring *tx_ring; /* One per active queue */ |
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260 |
unsigned int restart_queue; |
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261 |
unsigned long tx_queue_len; |
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262 |
u32 txd_cmd; |
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263 |
u32 tx_int_delay; |
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264 |
u32 tx_abs_int_delay; |
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u32 gotcl; |
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u64 gotcl_old; |
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u64 tpt_old; |
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u64 colc_old; |
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u32 tx_timeout_count; |
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u32 tx_fifo_head; |
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u32 tx_head_addr; |
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u32 tx_fifo_size; |
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u8 tx_timeout_factor; |
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atomic_t tx_fifo_stall; |
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bool pcix_82544; |
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bool detect_tx_hung; |
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/* RX */ |
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bool (*clean_rx)(struct e1000_adapter *adapter, |
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struct e1000_rx_ring *rx_ring, |
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int *work_done, int work_to_do); |
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void (*alloc_rx_buf)(struct e1000_adapter *adapter, |
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struct e1000_rx_ring *rx_ring, |
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int cleaned_count); |
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struct e1000_rx_ring *rx_ring; /* One per active queue */ |
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struct napi_struct napi; |
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int num_tx_queues; |
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int num_rx_queues; |
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u64 hw_csum_err; |
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u64 hw_csum_good; |
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u64 rx_hdr_split; |
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u32 alloc_rx_buff_failed; |
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u32 rx_int_delay; |
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u32 rx_abs_int_delay; |
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bool rx_csum; |
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u32 gorcl; |
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u64 gorcl_old; |
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/* OS defined structs */ |
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struct net_device *netdev; |
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struct pci_dev *pdev; |
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struct net_device_stats net_stats; |
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/* structs defined in e1000_hw.h */ |
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struct e1000_hw hw; |
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struct e1000_hw_stats stats; |
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struct e1000_phy_info phy_info; |
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struct e1000_phy_stats phy_stats; |
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u32 test_icr; |
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struct e1000_tx_ring test_tx_ring; |
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struct e1000_rx_ring test_rx_ring; |
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int msg_enable; |
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bool have_msi; |
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/* to not mess up cache alignment, always add to the bottom */ |
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bool tso_force; |
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bool smart_power_down; /* phy smart power down */ |
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bool quad_port_a; |
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unsigned long flags; |
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u32 eeprom_wol; |
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/* for ioport free */ |
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int bars; |
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int need_ioport; |
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}; |
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enum e1000_state_t { |
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__E1000_TESTING, |
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__E1000_RESETTING, |
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__E1000_DOWN |
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}; |
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extern char e1000_driver_name[]; |
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extern const char e1000_driver_version[]; |
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extern int e1000_up(struct e1000_adapter *adapter); |
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extern void e1000_down(struct e1000_adapter *adapter); |
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extern void e1000_reinit_locked(struct e1000_adapter *adapter); |
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extern void e1000_reset(struct e1000_adapter *adapter); |
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extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx); |
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extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); |
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extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); |
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extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter); |
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extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter); |
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extern void e1000_update_stats(struct e1000_adapter *adapter); |
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extern void e1000_power_up_phy(struct e1000_adapter *); |
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extern void e1000_set_ethtool_ops(struct net_device *netdev); |
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extern void e1000_check_options(struct e1000_adapter *adapter); |
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353 |
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354 |
#endif /* _E1000_H_ */ |