|
2356
|
1 |
/*******************************************************************************
|
|
|
2 |
|
|
|
3 |
Intel PRO/1000 Linux driver
|
|
|
4 |
Copyright(c) 1999 - 2006 Intel Corporation.
|
|
|
5 |
|
|
|
6 |
This program is free software; you can redistribute it and/or modify it
|
|
|
7 |
under the terms and conditions of the GNU General Public License,
|
|
|
8 |
version 2, as published by the Free Software Foundation.
|
|
|
9 |
|
|
|
10 |
This program is distributed in the hope it will be useful, but WITHOUT
|
|
|
11 |
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
12 |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
|
13 |
more details.
|
|
|
14 |
|
|
|
15 |
You should have received a copy of the GNU General Public License along with
|
|
|
16 |
this program; if not, write to the Free Software Foundation, Inc.,
|
|
|
17 |
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 |
|
|
|
19 |
The full GNU General Public License is included in this distribution in
|
|
|
20 |
the file called "COPYING".
|
|
|
21 |
|
|
|
22 |
Contact Information:
|
|
|
23 |
Linux NICS <linux.nics@intel.com>
|
|
|
24 |
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
|
|
|
25 |
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
|
26 |
|
|
|
27 |
*******************************************************************************/
|
|
|
28 |
|
|
|
29 |
|
|
|
30 |
/* Linux PRO/1000 Ethernet Driver main header file */
|
|
|
31 |
|
|
|
32 |
#ifndef _E1000_H_
|
|
|
33 |
#define _E1000_H_
|
|
|
34 |
|
|
|
35 |
#include <linux/stddef.h>
|
|
|
36 |
#include <linux/module.h>
|
|
|
37 |
#include <linux/types.h>
|
|
|
38 |
#include <asm/byteorder.h>
|
|
|
39 |
#include <linux/init.h>
|
|
|
40 |
#include <linux/mm.h>
|
|
|
41 |
#include <linux/errno.h>
|
|
|
42 |
#include <linux/ioport.h>
|
|
|
43 |
#include <linux/pci.h>
|
|
|
44 |
#include <linux/kernel.h>
|
|
|
45 |
#include <linux/netdevice.h>
|
|
|
46 |
#include <linux/etherdevice.h>
|
|
|
47 |
#include <linux/skbuff.h>
|
|
|
48 |
#include <linux/delay.h>
|
|
|
49 |
#include <linux/timer.h>
|
|
|
50 |
#include <linux/slab.h>
|
|
|
51 |
#include <linux/vmalloc.h>
|
|
|
52 |
#include <linux/interrupt.h>
|
|
|
53 |
#include <linux/string.h>
|
|
|
54 |
#include <linux/pagemap.h>
|
|
|
55 |
#include <linux/dma-mapping.h>
|
|
|
56 |
#include <linux/bitops.h>
|
|
|
57 |
#include <asm/io.h>
|
|
|
58 |
#include <asm/irq.h>
|
|
|
59 |
#include <linux/capability.h>
|
|
|
60 |
#include <linux/in.h>
|
|
|
61 |
#include <linux/ip.h>
|
|
|
62 |
#include <linux/ipv6.h>
|
|
|
63 |
#include <linux/tcp.h>
|
|
|
64 |
#include <linux/udp.h>
|
|
|
65 |
#include <net/pkt_sched.h>
|
|
|
66 |
#include <linux/list.h>
|
|
|
67 |
#include <linux/reboot.h>
|
|
|
68 |
#include <net/checksum.h>
|
|
|
69 |
#include <linux/mii.h>
|
|
|
70 |
#include <linux/ethtool.h>
|
|
|
71 |
#include <linux/if_vlan.h>
|
|
|
72 |
|
|
|
73 |
#define BAR_0 0
|
|
|
74 |
#define BAR_1 1
|
|
|
75 |
#define BAR_5 5
|
|
|
76 |
|
|
|
77 |
#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
|
|
|
78 |
PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
|
|
|
79 |
|
|
|
80 |
struct e1000_adapter;
|
|
|
81 |
|
|
|
82 |
#include "e1000_hw.h"
|
|
|
83 |
|
|
|
84 |
#define E1000_MAX_INTR 10
|
|
|
85 |
|
|
|
86 |
/* TX/RX descriptor defines */
|
|
|
87 |
#define E1000_DEFAULT_TXD 256
|
|
|
88 |
#define E1000_MAX_TXD 256
|
|
|
89 |
#define E1000_MIN_TXD 80
|
|
|
90 |
#define E1000_MAX_82544_TXD 4096
|
|
|
91 |
|
|
|
92 |
#define E1000_DEFAULT_RXD 256
|
|
|
93 |
#define E1000_MAX_RXD 256
|
|
|
94 |
#define E1000_MIN_RXD 80
|
|
|
95 |
#define E1000_MAX_82544_RXD 4096
|
|
|
96 |
|
|
|
97 |
#define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */
|
|
|
98 |
#define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */
|
|
|
99 |
|
|
|
100 |
/* this is the size past which hardware will drop packets when setting LPE=0 */
|
|
|
101 |
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
|
|
|
102 |
|
|
|
103 |
/* Supported Rx Buffer Sizes */
|
|
|
104 |
#define E1000_RXBUFFER_128 128 /* Used for packet split */
|
|
|
105 |
#define E1000_RXBUFFER_256 256 /* Used for packet split */
|
|
|
106 |
#define E1000_RXBUFFER_512 512
|
|
|
107 |
#define E1000_RXBUFFER_1024 1024
|
|
|
108 |
#define E1000_RXBUFFER_2048 2048
|
|
|
109 |
#define E1000_RXBUFFER_4096 4096
|
|
|
110 |
#define E1000_RXBUFFER_8192 8192
|
|
|
111 |
#define E1000_RXBUFFER_16384 16384
|
|
|
112 |
|
|
|
113 |
/* SmartSpeed delimiters */
|
|
|
114 |
#define E1000_SMARTSPEED_DOWNSHIFT 3
|
|
|
115 |
#define E1000_SMARTSPEED_MAX 15
|
|
|
116 |
|
|
|
117 |
/* Packet Buffer allocations */
|
|
|
118 |
#define E1000_PBA_BYTES_SHIFT 0xA
|
|
|
119 |
#define E1000_TX_HEAD_ADDR_SHIFT 7
|
|
|
120 |
#define E1000_PBA_TX_MASK 0xFFFF0000
|
|
|
121 |
|
|
|
122 |
/* Flow Control Watermarks */
|
|
|
123 |
#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */
|
|
|
124 |
#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */
|
|
|
125 |
|
|
|
126 |
#define E1000_FC_PAUSE_TIME 0xFFFF /* pause for the max or until send xon */
|
|
|
127 |
|
|
|
128 |
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
|
|
|
129 |
#define E1000_TX_QUEUE_WAKE 16
|
|
|
130 |
/* How many Rx Buffers do we bundle into one write to the hardware ? */
|
|
|
131 |
#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
|
|
|
132 |
|
|
|
133 |
#define AUTO_ALL_MODES 0
|
|
|
134 |
#define E1000_EEPROM_82544_APM 0x0004
|
|
|
135 |
#define E1000_EEPROM_APME 0x0400
|
|
|
136 |
|
|
|
137 |
#ifndef E1000_MASTER_SLAVE
|
|
|
138 |
/* Switch to override PHY master/slave setting */
|
|
|
139 |
#define E1000_MASTER_SLAVE e1000_ms_hw_default
|
|
|
140 |
#endif
|
|
|
141 |
|
|
|
142 |
#define E1000_MNG_VLAN_NONE (-1)
|
|
|
143 |
|
|
|
144 |
/* wrapper around a pointer to a socket buffer,
|
|
|
145 |
* so a DMA handle can be stored along with the buffer */
|
|
|
146 |
struct e1000_buffer {
|
|
|
147 |
struct sk_buff *skb;
|
|
|
148 |
dma_addr_t dma;
|
|
|
149 |
struct page *page;
|
|
|
150 |
unsigned long time_stamp;
|
|
|
151 |
u16 length;
|
|
|
152 |
u16 next_to_watch;
|
|
|
153 |
u16 mapped_as_page;
|
|
|
154 |
};
|
|
|
155 |
|
|
|
156 |
struct e1000_tx_ring {
|
|
|
157 |
/* pointer to the descriptor ring memory */
|
|
|
158 |
void *desc;
|
|
|
159 |
/* physical address of the descriptor ring */
|
|
|
160 |
dma_addr_t dma;
|
|
|
161 |
/* length of descriptor ring in bytes */
|
|
|
162 |
unsigned int size;
|
|
|
163 |
/* number of descriptors in the ring */
|
|
|
164 |
unsigned int count;
|
|
|
165 |
/* next descriptor to associate a buffer with */
|
|
|
166 |
unsigned int next_to_use;
|
|
|
167 |
/* next descriptor to check for DD status bit */
|
|
|
168 |
unsigned int next_to_clean;
|
|
|
169 |
/* array of buffer information structs */
|
|
|
170 |
struct e1000_buffer *buffer_info;
|
|
|
171 |
|
|
|
172 |
u16 tdh;
|
|
|
173 |
u16 tdt;
|
|
|
174 |
bool last_tx_tso;
|
|
|
175 |
};
|
|
|
176 |
|
|
|
177 |
struct e1000_rx_ring {
|
|
|
178 |
/* pointer to the descriptor ring memory */
|
|
|
179 |
void *desc;
|
|
|
180 |
/* physical address of the descriptor ring */
|
|
|
181 |
dma_addr_t dma;
|
|
|
182 |
/* length of descriptor ring in bytes */
|
|
|
183 |
unsigned int size;
|
|
|
184 |
/* number of descriptors in the ring */
|
|
|
185 |
unsigned int count;
|
|
|
186 |
/* next descriptor to associate a buffer with */
|
|
|
187 |
unsigned int next_to_use;
|
|
|
188 |
/* next descriptor to check for DD status bit */
|
|
|
189 |
unsigned int next_to_clean;
|
|
|
190 |
/* array of buffer information structs */
|
|
|
191 |
struct e1000_buffer *buffer_info;
|
|
|
192 |
struct sk_buff *rx_skb_top;
|
|
|
193 |
|
|
|
194 |
/* cpu for rx queue */
|
|
|
195 |
int cpu;
|
|
|
196 |
|
|
|
197 |
u16 rdh;
|
|
|
198 |
u16 rdt;
|
|
|
199 |
};
|
|
|
200 |
|
|
|
201 |
#define E1000_DESC_UNUSED(R) \
|
|
|
202 |
((((R)->next_to_clean > (R)->next_to_use) \
|
|
|
203 |
? 0 : (R)->count) + (R)->next_to_clean - (R)->next_to_use - 1)
|
|
|
204 |
|
|
|
205 |
#define E1000_RX_DESC_EXT(R, i) \
|
|
|
206 |
(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
|
|
|
207 |
#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
|
|
|
208 |
#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
|
|
|
209 |
#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
|
|
|
210 |
#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
|
|
|
211 |
|
|
|
212 |
/* board specific private data structure */
|
|
|
213 |
|
|
|
214 |
struct e1000_adapter {
|
|
|
215 |
struct timer_list tx_fifo_stall_timer;
|
|
|
216 |
struct timer_list watchdog_timer;
|
|
|
217 |
struct timer_list phy_info_timer;
|
|
|
218 |
struct vlan_group *vlgrp;
|
|
|
219 |
u16 mng_vlan_id;
|
|
|
220 |
u32 bd_number;
|
|
|
221 |
u32 rx_buffer_len;
|
|
|
222 |
u32 wol;
|
|
|
223 |
u32 smartspeed;
|
|
|
224 |
u32 en_mng_pt;
|
|
|
225 |
u16 link_speed;
|
|
|
226 |
u16 link_duplex;
|
|
|
227 |
spinlock_t stats_lock;
|
|
|
228 |
unsigned int total_tx_bytes;
|
|
|
229 |
unsigned int total_tx_packets;
|
|
|
230 |
unsigned int total_rx_bytes;
|
|
|
231 |
unsigned int total_rx_packets;
|
|
|
232 |
/* Interrupt Throttle Rate */
|
|
|
233 |
u32 itr;
|
|
|
234 |
u32 itr_setting;
|
|
|
235 |
u16 tx_itr;
|
|
|
236 |
u16 rx_itr;
|
|
|
237 |
|
|
|
238 |
struct work_struct reset_task;
|
|
|
239 |
u8 fc_autoneg;
|
|
|
240 |
|
|
|
241 |
struct timer_list blink_timer;
|
|
|
242 |
unsigned long led_status;
|
|
|
243 |
|
|
|
244 |
/* TX */
|
|
|
245 |
struct e1000_tx_ring *tx_ring; /* One per active queue */
|
|
|
246 |
unsigned int restart_queue;
|
|
|
247 |
u32 txd_cmd;
|
|
|
248 |
u32 tx_int_delay;
|
|
|
249 |
u32 tx_abs_int_delay;
|
|
|
250 |
u32 gotcl;
|
|
|
251 |
u64 gotcl_old;
|
|
|
252 |
u64 tpt_old;
|
|
|
253 |
u64 colc_old;
|
|
|
254 |
u32 tx_timeout_count;
|
|
|
255 |
u32 tx_fifo_head;
|
|
|
256 |
u32 tx_head_addr;
|
|
|
257 |
u32 tx_fifo_size;
|
|
|
258 |
u8 tx_timeout_factor;
|
|
|
259 |
atomic_t tx_fifo_stall;
|
|
|
260 |
bool pcix_82544;
|
|
|
261 |
bool detect_tx_hung;
|
|
|
262 |
|
|
|
263 |
/* RX */
|
|
|
264 |
bool (*clean_rx)(struct e1000_adapter *adapter,
|
|
|
265 |
struct e1000_rx_ring *rx_ring,
|
|
|
266 |
int *work_done, int work_to_do);
|
|
|
267 |
void (*alloc_rx_buf)(struct e1000_adapter *adapter,
|
|
|
268 |
struct e1000_rx_ring *rx_ring,
|
|
|
269 |
int cleaned_count);
|
|
|
270 |
struct e1000_rx_ring *rx_ring; /* One per active queue */
|
|
|
271 |
struct napi_struct napi;
|
|
|
272 |
|
|
|
273 |
int num_tx_queues;
|
|
|
274 |
int num_rx_queues;
|
|
|
275 |
|
|
|
276 |
u64 hw_csum_err;
|
|
|
277 |
u64 hw_csum_good;
|
|
|
278 |
u32 alloc_rx_buff_failed;
|
|
|
279 |
u32 rx_int_delay;
|
|
|
280 |
u32 rx_abs_int_delay;
|
|
|
281 |
bool rx_csum;
|
|
|
282 |
u32 gorcl;
|
|
|
283 |
u64 gorcl_old;
|
|
|
284 |
|
|
|
285 |
/* OS defined structs */
|
|
|
286 |
struct net_device *netdev;
|
|
|
287 |
struct pci_dev *pdev;
|
|
|
288 |
|
|
|
289 |
/* structs defined in e1000_hw.h */
|
|
|
290 |
struct e1000_hw hw;
|
|
|
291 |
struct e1000_hw_stats stats;
|
|
|
292 |
struct e1000_phy_info phy_info;
|
|
|
293 |
struct e1000_phy_stats phy_stats;
|
|
|
294 |
|
|
|
295 |
u32 test_icr;
|
|
|
296 |
struct e1000_tx_ring test_tx_ring;
|
|
|
297 |
struct e1000_rx_ring test_rx_ring;
|
|
|
298 |
|
|
|
299 |
int msg_enable;
|
|
|
300 |
|
|
|
301 |
/* to not mess up cache alignment, always add to the bottom */
|
|
|
302 |
bool tso_force;
|
|
|
303 |
bool smart_power_down; /* phy smart power down */
|
|
|
304 |
bool quad_port_a;
|
|
|
305 |
unsigned long flags;
|
|
|
306 |
u32 eeprom_wol;
|
|
|
307 |
|
|
|
308 |
/* for ioport free */
|
|
|
309 |
int bars;
|
|
|
310 |
int need_ioport;
|
|
|
311 |
|
|
|
312 |
bool discarding;
|
|
|
313 |
};
|
|
|
314 |
|
|
|
315 |
enum e1000_state_t {
|
|
|
316 |
__E1000_TESTING,
|
|
|
317 |
__E1000_RESETTING,
|
|
|
318 |
__E1000_DOWN
|
|
|
319 |
};
|
|
|
320 |
|
|
|
321 |
#undef pr_fmt
|
|
|
322 |
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
323 |
|
|
|
324 |
extern struct net_device *e1000_get_hw_dev(struct e1000_hw *hw);
|
|
|
325 |
#define e_dbg(format, arg...) \
|
|
|
326 |
netdev_dbg(e1000_get_hw_dev(hw), format, ## arg)
|
|
|
327 |
#define e_err(format, arg...) \
|
|
|
328 |
netdev_err(adapter->netdev, format, ## arg)
|
|
|
329 |
#define e_info(format, arg...) \
|
|
|
330 |
netdev_info(adapter->netdev, format, ## arg)
|
|
|
331 |
#define e_warn(format, arg...) \
|
|
|
332 |
netdev_warn(adapter->netdev, format, ## arg)
|
|
|
333 |
#define e_notice(format, arg...) \
|
|
|
334 |
netdev_notice(adapter->netdev, format, ## arg)
|
|
|
335 |
#define e_dev_info(format, arg...) \
|
|
|
336 |
dev_info(&adapter->pdev->dev, format, ## arg)
|
|
|
337 |
#define e_dev_warn(format, arg...) \
|
|
|
338 |
dev_warn(&adapter->pdev->dev, format, ## arg)
|
|
|
339 |
|
|
|
340 |
extern char e1000_driver_name[];
|
|
|
341 |
extern const char e1000_driver_version[];
|
|
|
342 |
|
|
|
343 |
extern int e1000_up(struct e1000_adapter *adapter);
|
|
|
344 |
extern void e1000_down(struct e1000_adapter *adapter);
|
|
|
345 |
extern void e1000_reinit_locked(struct e1000_adapter *adapter);
|
|
|
346 |
extern void e1000_reset(struct e1000_adapter *adapter);
|
|
|
347 |
extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
|
|
|
348 |
extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
|
|
|
349 |
extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
|
|
|
350 |
extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
|
|
|
351 |
extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
|
|
|
352 |
extern void e1000_update_stats(struct e1000_adapter *adapter);
|
|
|
353 |
extern bool e1000_has_link(struct e1000_adapter *adapter);
|
|
|
354 |
extern void e1000_power_up_phy(struct e1000_adapter *);
|
|
|
355 |
extern void e1000_set_ethtool_ops(struct net_device *netdev);
|
|
|
356 |
extern void e1000_check_options(struct e1000_adapter *adapter);
|
|
|
357 |
extern char *e1000_get_hw_dev_name(struct e1000_hw *hw);
|
|
|
358 |
|
|
|
359 |
#endif /* _E1000_H_ */
|