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-rw-r--r--drivers/net/e1000e/e1000.h514
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diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
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1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2007 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/* Linux PRO/1000 Ethernet Driver main header file */
30
31#ifndef _E1000_H_
32#define _E1000_H_
33
34#include <linux/types.h>
35#include <linux/timer.h>
36#include <linux/workqueue.h>
37#include <linux/io.h>
38#include <linux/netdevice.h>
39
40#include "hw.h"
41
42struct e1000_info;
43
44#define ndev_printk(level, netdev, format, arg...) \
45 printk(level "%s: %s: " format, (netdev)->dev.parent->bus_id, \
46 (netdev)->name, ## arg)
47
48#ifdef DEBUG
49#define ndev_dbg(netdev, format, arg...) \
50 ndev_printk(KERN_DEBUG , netdev, format, ## arg)
51#else
52#define ndev_dbg(netdev, format, arg...) do { (void)(netdev); } while (0)
53#endif
54
55#define ndev_err(netdev, format, arg...) \
56 ndev_printk(KERN_ERR , netdev, format, ## arg)
57#define ndev_info(netdev, format, arg...) \
58 ndev_printk(KERN_INFO , netdev, format, ## arg)
59#define ndev_warn(netdev, format, arg...) \
60 ndev_printk(KERN_WARNING , netdev, format, ## arg)
61#define ndev_notice(netdev, format, arg...) \
62 ndev_printk(KERN_NOTICE , netdev, format, ## arg)
63
64
65/* TX/RX descriptor defines */
66#define E1000_DEFAULT_TXD 256
67#define E1000_MAX_TXD 4096
68#define E1000_MIN_TXD 80
69
70#define E1000_DEFAULT_RXD 256
71#define E1000_MAX_RXD 4096
72#define E1000_MIN_RXD 80
73
74/* Early Receive defines */
75#define E1000_ERT_2048 0x100
76
77#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */
78
79/* How many Tx Descriptors do we need to call netif_wake_queue ? */
80/* How many Rx Buffers do we bundle into one write to the hardware ? */
81#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
82
83#define AUTO_ALL_MODES 0
84#define E1000_EEPROM_APME 0x0400
85
86#define E1000_MNG_VLAN_NONE (-1)
87
88/* Number of packet split data buffers (not including the header buffer) */
89#define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1)
90
91enum e1000_boards {
92 board_82571,
93 board_82572,
94 board_82573,
95 board_80003es2lan,
96 board_ich8lan,
97 board_ich9lan,
98};
99
100struct e1000_queue_stats {
101 u64 packets;
102 u64 bytes;
103};
104
105struct e1000_ps_page {
106 struct page *page;
107 u64 dma; /* must be u64 - written to hw */
108};
109
110/*
111 * wrappers around a pointer to a socket buffer,
112 * so a DMA handle can be stored along with the buffer
113 */
114struct e1000_buffer {
115 dma_addr_t dma;
116 struct sk_buff *skb;
117 union {
118 /* TX */
119 struct {
120 unsigned long time_stamp;
121 u16 length;
122 u16 next_to_watch;
123 };
124 /* RX */
125 struct page *page;
126 };
127
128};
129
130struct e1000_ring {
131 void *desc; /* pointer to ring memory */
132 dma_addr_t dma; /* phys address of ring */
133 unsigned int size; /* length of ring in bytes */
134 unsigned int count; /* number of desc. in ring */
135
136 u16 next_to_use;
137 u16 next_to_clean;
138
139 u16 head;
140 u16 tail;
141
142 /* array of buffer information structs */
143 struct e1000_buffer *buffer_info;
144
145 /* arrays of page information for packet split */
146 struct e1000_ps_page *ps_pages;
147 struct sk_buff *rx_skb_top;
148
149 struct e1000_queue_stats stats;
150};
151
152/* board specific private data structure */
153struct e1000_adapter {
154 struct timer_list watchdog_timer;
155 struct timer_list phy_info_timer;
156 struct timer_list blink_timer;
157
158 struct work_struct reset_task;
159 struct work_struct watchdog_task;
160
161 const struct e1000_info *ei;
162
163 struct vlan_group *vlgrp;
164 u32 bd_number;
165 u32 rx_buffer_len;
166 u16 mng_vlan_id;
167 u16 link_speed;
168 u16 link_duplex;
169
170 spinlock_t tx_queue_lock; /* prevent concurrent tail updates */
171
172 /* this is still needed for 82571 and above */
173 atomic_t irq_sem;
174
175 /* track device up/down/testing state */
176 unsigned long state;
177
178 /* Interrupt Throttle Rate */
179 u32 itr;
180 u32 itr_setting;
181 u16 tx_itr;
182 u16 rx_itr;
183
184 /*
185 * TX
186 */
187 struct e1000_ring *tx_ring /* One per active queue */
188 ____cacheline_aligned_in_smp;
189
190 struct napi_struct napi;
191
192 unsigned long tx_queue_len;
193 unsigned int restart_queue;
194 u32 txd_cmd;
195
196 bool detect_tx_hung;
197 u8 tx_timeout_factor;
198
199 u32 tx_int_delay;
200 u32 tx_abs_int_delay;
201
202 unsigned int total_tx_bytes;
203 unsigned int total_tx_packets;
204 unsigned int total_rx_bytes;
205 unsigned int total_rx_packets;
206
207 /* TX stats */
208 u64 tpt_old;
209 u64 colc_old;
210 u64 gotcl_old;
211 u32 gotcl;
212 u32 tx_timeout_count;
213 u32 tx_fifo_head;
214 u32 tx_head_addr;
215 u32 tx_fifo_size;
216 u32 tx_dma_failed;
217
218 /*
219 * RX
220 */
221 bool (*clean_rx) (struct e1000_adapter *adapter,
222 int *work_done, int work_to_do)
223 ____cacheline_aligned_in_smp;
224 void (*alloc_rx_buf) (struct e1000_adapter *adapter,
225 int cleaned_count);
226 struct e1000_ring *rx_ring;
227
228 u32 rx_int_delay;
229 u32 rx_abs_int_delay;
230
231 /* RX stats */
232 u64 hw_csum_err;
233 u64 hw_csum_good;
234 u64 rx_hdr_split;
235 u64 gorcl_old;
236 u32 gorcl;
237 u32 alloc_rx_buff_failed;
238 u32 rx_dma_failed;
239
240 unsigned int rx_ps_pages;
241 u16 rx_ps_bsize0;
242
243 /* OS defined structs */
244 struct net_device *netdev;
245 struct pci_dev *pdev;
246 struct net_device_stats net_stats;
247 spinlock_t stats_lock; /* prevent concurrent stats updates */
248
249 /* structs defined in e1000_hw.h */
250 struct e1000_hw hw;
251
252 struct e1000_hw_stats stats;
253 struct e1000_phy_info phy_info;
254 struct e1000_phy_stats phy_stats;
255
256 struct e1000_ring test_tx_ring;
257 struct e1000_ring test_rx_ring;
258 u32 test_icr;
259
260 u32 msg_enable;
261
262 u32 eeprom_wol;
263 u32 wol;
264 u32 pba;
265
266 u8 fc_autoneg;
267
268 unsigned long led_status;
269
270 unsigned int flags;
271};
272
273struct e1000_info {
274 enum e1000_mac_type mac;
275 unsigned int flags;
276 u32 pba;
277 s32 (*get_invariants)(struct e1000_adapter *);
278 struct e1000_mac_operations *mac_ops;
279 struct e1000_phy_operations *phy_ops;
280 struct e1000_nvm_operations *nvm_ops;
281};
282
283/* hardware capability, feature, and workaround flags */
284#define FLAG_HAS_AMT (1 << 0)
285#define FLAG_HAS_FLASH (1 << 1)
286#define FLAG_HAS_HW_VLAN_FILTER (1 << 2)
287#define FLAG_HAS_WOL (1 << 3)
288#define FLAG_HAS_ERT (1 << 4)
289#define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5)
290#define FLAG_HAS_SWSM_ON_LOAD (1 << 6)
291#define FLAG_HAS_JUMBO_FRAMES (1 << 7)
292#define FLAG_HAS_ASPM (1 << 8)
293#define FLAG_HAS_STATS_ICR_ICT (1 << 9)
294#define FLAG_HAS_STATS_PTC_PRC (1 << 10)
295#define FLAG_HAS_SMART_POWER_DOWN (1 << 11)
296#define FLAG_IS_QUAD_PORT_A (1 << 12)
297#define FLAG_IS_QUAD_PORT (1 << 13)
298#define FLAG_TIPG_MEDIUM_FOR_80003ESLAN (1 << 14)
299#define FLAG_APME_IN_WUC (1 << 15)
300#define FLAG_APME_IN_CTRL3 (1 << 16)
301#define FLAG_APME_CHECK_PORT_B (1 << 17)
302#define FLAG_DISABLE_FC_PAUSE_TIME (1 << 18)
303#define FLAG_NO_WAKE_UCAST (1 << 19)
304#define FLAG_MNG_PT_ENABLED (1 << 20)
305#define FLAG_RESET_OVERWRITES_LAA (1 << 21)
306#define FLAG_TARC_SPEED_MODE_BIT (1 << 22)
307#define FLAG_TARC_SET_BIT_ZERO (1 << 23)
308#define FLAG_RX_NEEDS_RESTART (1 << 24)
309#define FLAG_LSC_GIG_SPEED_DROP (1 << 25)
310#define FLAG_SMART_POWER_DOWN (1 << 26)
311#define FLAG_MSI_ENABLED (1 << 27)
312#define FLAG_RX_CSUM_ENABLED (1 << 28)
313#define FLAG_TSO_FORCE (1 << 29)
314
315#define E1000_RX_DESC_PS(R, i) \
316 (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
317#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
318#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
319#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
320#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
321
322enum e1000_state_t {
323 __E1000_TESTING,
324 __E1000_RESETTING,
325 __E1000_DOWN
326};
327
328enum latency_range {
329 lowest_latency = 0,
330 low_latency = 1,
331 bulk_latency = 2,
332 latency_invalid = 255
333};
334
335extern char e1000e_driver_name[];
336extern const char e1000e_driver_version[];
337
338extern void e1000e_check_options(struct e1000_adapter *adapter);
339extern void e1000e_set_ethtool_ops(struct net_device *netdev);
340
341extern int e1000e_up(struct e1000_adapter *adapter);
342extern void e1000e_down(struct e1000_adapter *adapter);
343extern void e1000e_reinit_locked(struct e1000_adapter *adapter);
344extern void e1000e_reset(struct e1000_adapter *adapter);
345extern void e1000e_power_up_phy(struct e1000_adapter *adapter);
346extern int e1000e_setup_rx_resources(struct e1000_adapter *adapter);
347extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter);
348extern void e1000e_free_rx_resources(struct e1000_adapter *adapter);
349extern void e1000e_free_tx_resources(struct e1000_adapter *adapter);
350extern void e1000e_update_stats(struct e1000_adapter *adapter);
351
352extern unsigned int copybreak;
353
354extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw);
355
356extern struct e1000_info e1000_82571_info;
357extern struct e1000_info e1000_82572_info;
358extern struct e1000_info e1000_82573_info;
359extern struct e1000_info e1000_ich8_info;
360extern struct e1000_info e1000_ich9_info;
361extern struct e1000_info e1000_es2_info;
362
363extern s32 e1000e_read_part_num(struct e1000_hw *hw, u32 *part_num);
364
365extern s32 e1000e_commit_phy(struct e1000_hw *hw);
366
367extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
368
369extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
370extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state);
371
372extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
373 bool state);
374extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
375extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
376
377extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw);
378extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw);
379extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw);
380extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw);
381extern s32 e1000e_led_on_generic(struct e1000_hw *hw);
382extern s32 e1000e_led_off_generic(struct e1000_hw *hw);
383extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw);
384extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex);
385extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex);
386extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw);
387extern s32 e1000e_get_auto_rd_done(struct e1000_hw *hw);
388extern s32 e1000e_id_led_init(struct e1000_hw *hw);
389extern void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw);
390extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw);
391extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw);
392extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
393extern s32 e1000e_setup_link(struct e1000_hw *hw);
394extern void e1000e_clear_vfta(struct e1000_hw *hw);
395extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
396extern void e1000e_mc_addr_list_update_generic(struct e1000_hw *hw,
397 u8 *mc_addr_list, u32 mc_addr_count,
398 u32 rar_used_count, u32 rar_count);
399extern void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
400extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
401extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);
402extern s32 e1000e_get_hw_semaphore(struct e1000_hw *hw);
403extern s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data);
404extern void e1000e_config_collision_dist(struct e1000_hw *hw);
405extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
406extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
407extern s32 e1000e_blink_led(struct e1000_hw *hw);
408extern void e1000e_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
409extern void e1000e_reset_adaptive(struct e1000_hw *hw);
410extern void e1000e_update_adaptive(struct e1000_hw *hw);
411
412extern s32 e1000e_setup_copper_link(struct e1000_hw *hw);
413extern s32 e1000e_get_phy_id(struct e1000_hw *hw);
414extern void e1000e_put_hw_semaphore(struct e1000_hw *hw);
415extern s32 e1000e_check_reset_block_generic(struct e1000_hw *hw);
416extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw);
417extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw);
418extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw);
419extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
420extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw);
421extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active);
422extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
423extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw);
424extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw);
425extern s32 e1000e_get_cfg_done(struct e1000_hw *hw);
426extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw);
427extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw);
428extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data);
429extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data);
430extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id);
431extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
432extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data);
433extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data);
434extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
435 u32 usec_interval, bool *success);
436extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
437extern s32 e1000e_check_downshift(struct e1000_hw *hw);
438
439static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
440{
441 return hw->phy.ops.reset_phy(hw);
442}
443
444static inline s32 e1000_check_reset_block(struct e1000_hw *hw)
445{
446 return hw->phy.ops.check_reset_block(hw);
447}
448
449static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data)
450{
451 return hw->phy.ops.read_phy_reg(hw, offset, data);
452}
453
454static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data)
455{
456 return hw->phy.ops.write_phy_reg(hw, offset, data);
457}
458
459static inline s32 e1000_get_cable_length(struct e1000_hw *hw)
460{
461 return hw->phy.ops.get_cable_length(hw);
462}
463
464extern s32 e1000e_acquire_nvm(struct e1000_hw *hw);
465extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
466extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw);
467extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg);
468extern s32 e1000e_read_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
469extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
470extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
471extern void e1000e_release_nvm(struct e1000_hw *hw);
472extern void e1000e_reload_nvm(struct e1000_hw *hw);
473extern s32 e1000e_read_mac_addr(struct e1000_hw *hw);
474
475static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
476{
477 return hw->nvm.ops.validate_nvm(hw);
478}
479
480static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
481{
482 return hw->nvm.ops.update_nvm(hw);
483}
484
485static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
486{
487 return hw->nvm.ops.read_nvm(hw, offset, words, data);
488}
489
490static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
491{
492 return hw->nvm.ops.write_nvm(hw, offset, words, data);
493}
494
495static inline s32 e1000_get_phy_info(struct e1000_hw *hw)
496{
497 return hw->phy.ops.get_phy_info(hw);
498}
499
500extern bool e1000e_check_mng_mode(struct e1000_hw *hw);
501extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw);
502extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length);
503
504static inline u32 __er32(struct e1000_hw *hw, unsigned long reg)
505{
506 return readl(hw->hw_addr + reg);
507}
508
509static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
510{
511 writel(val, hw->hw_addr + reg);
512}
513
514#endif /* _E1000_H_ */
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