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e1000e: Make arrays out of these Rx/Tx registers
[linux-2.6-block.git] / drivers / net / e1000e / e1000.h
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
ad68076e 4 Copyright(c) 1999 - 2008 Intel Corporation.
bc7f75fa
AK		 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...) \
03ae221f 45 printk(level "%s: " format, (netdev)->name, ## arg)
bc7f75fa
AK		 46
47#ifdef DEBUG
48#define ndev_dbg(netdev, format, arg...) \
49 ndev_printk(KERN_DEBUG , netdev, format, ## arg)
50#else
51#define ndev_dbg(netdev, format, arg...) do { (void)(netdev); } while (0)
52#endif
53
54#define ndev_err(netdev, format, arg...) \
55 ndev_printk(KERN_ERR , netdev, format, ## arg)
56#define ndev_info(netdev, format, arg...) \
57 ndev_printk(KERN_INFO , netdev, format, ## arg)
58#define ndev_warn(netdev, format, arg...) \
59 ndev_printk(KERN_WARNING , netdev, format, ## arg)
60#define ndev_notice(netdev, format, arg...) \
61 ndev_printk(KERN_NOTICE , netdev, format, ## arg)
62
63
ad68076e 64/* Tx/Rx descriptor defines */
bc7f75fa
AK		 65#define E1000_DEFAULT_TXD 256
66#define E1000_MAX_TXD 4096
67#define E1000_MIN_TXD 80
68
69#define E1000_DEFAULT_RXD 256
70#define E1000_MAX_RXD 4096
71#define E1000_MIN_RXD 80
72
73/* Early Receive defines */
74#define E1000_ERT_2048 0x100
75
76#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */
77
78/* How many Tx Descriptors do we need to call netif_wake_queue ? */
79/* How many Rx Buffers do we bundle into one write to the hardware ? */
80#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
81
82#define AUTO_ALL_MODES 0
83#define E1000_EEPROM_APME 0x0400
84
85#define E1000_MNG_VLAN_NONE (-1)
86
87/* Number of packet split data buffers (not including the header buffer) */
88#define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1)
89
90enum e1000_boards {
91 board_82571,
92 board_82572,
93 board_82573,
94 board_80003es2lan,
95 board_ich8lan,
96 board_ich9lan,
97};
98
99struct e1000_queue_stats {
100 u64 packets;
101 u64 bytes;
102};
103
104struct e1000_ps_page {
105 struct page *page;
106 u64 dma; /* must be u64 - written to hw */
107};
108
109/*
110 * wrappers around a pointer to a socket buffer,
111 * so a DMA handle can be stored along with the buffer
112 */
113struct e1000_buffer {
114 dma_addr_t dma;
115 struct sk_buff *skb;
116 union {
ad68076e 117 /* Tx */
bc7f75fa
AK		 118 struct {
119 unsigned long time_stamp;
120 u16 length;
121 u16 next_to_watch;
122 };
ad68076e 123 /* Rx */
47f44e40
AK		 124 /* arrays of page information for packet split */
125 struct e1000_ps_page *ps_pages;
bc7f75fa
AK		 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
bc7f75fa
AK		 145 struct sk_buff *rx_skb_top;
146
147 struct e1000_queue_stats stats;
148};
149
150/* board specific private data structure */
151struct e1000_adapter {
152 struct timer_list watchdog_timer;
153 struct timer_list phy_info_timer;
154 struct timer_list blink_timer;
155
156 struct work_struct reset_task;
157 struct work_struct watchdog_task;
158
159 const struct e1000_info *ei;
160
161 struct vlan_group *vlgrp;
162 u32 bd_number;
163 u32 rx_buffer_len;
164 u16 mng_vlan_id;
165 u16 link_speed;
166 u16 link_duplex;
167
168 spinlock_t tx_queue_lock; /* prevent concurrent tail updates */
169
bc7f75fa
AK		 170 /* track device up/down/testing state */
171 unsigned long state;
172
173 /* Interrupt Throttle Rate */
174 u32 itr;
175 u32 itr_setting;
176 u16 tx_itr;
177 u16 rx_itr;
178
179 /*
ad68076e 180 * Tx
bc7f75fa
AK		 181 */
182 struct e1000_ring *tx_ring /* One per active queue */
183 ____cacheline_aligned_in_smp;
184
185 struct napi_struct napi;
186
187 unsigned long tx_queue_len;
188 unsigned int restart_queue;
189 u32 txd_cmd;
190
191 bool detect_tx_hung;
192 u8 tx_timeout_factor;
193
194 u32 tx_int_delay;
195 u32 tx_abs_int_delay;
196
197 unsigned int total_tx_bytes;
198 unsigned int total_tx_packets;
199 unsigned int total_rx_bytes;
200 unsigned int total_rx_packets;
201
ad68076e 202 /* Tx stats */
bc7f75fa
AK		 203 u64 tpt_old;
204 u64 colc_old;
205 u64 gotcl_old;
206 u32 gotcl;
207 u32 tx_timeout_count;
208 u32 tx_fifo_head;
209 u32 tx_head_addr;
210 u32 tx_fifo_size;
211 u32 tx_dma_failed;
212
213 /*
ad68076e 214 * Rx
bc7f75fa
AK		 215 */
216 bool (*clean_rx) (struct e1000_adapter *adapter,
217 int *work_done, int work_to_do)
218 ____cacheline_aligned_in_smp;
219 void (*alloc_rx_buf) (struct e1000_adapter *adapter,
220 int cleaned_count);
221 struct e1000_ring *rx_ring;
222
223 u32 rx_int_delay;
224 u32 rx_abs_int_delay;
225
ad68076e 226 /* Rx stats */
bc7f75fa
AK		 227 u64 hw_csum_err;
228 u64 hw_csum_good;
229 u64 rx_hdr_split;
230 u64 gorcl_old;
231 u32 gorcl;
232 u32 alloc_rx_buff_failed;
233 u32 rx_dma_failed;
234
235 unsigned int rx_ps_pages;
236 u16 rx_ps_bsize0;
318a94d6
JK		 237 u32 max_frame_size;
238 u32 min_frame_size;
bc7f75fa
AK		 239
240 /* OS defined structs */
241 struct net_device *netdev;
242 struct pci_dev *pdev;
243 struct net_device_stats net_stats;
244 spinlock_t stats_lock; /* prevent concurrent stats updates */
245
246 /* structs defined in e1000_hw.h */
247 struct e1000_hw hw;
248
249 struct e1000_hw_stats stats;
250 struct e1000_phy_info phy_info;
251 struct e1000_phy_stats phy_stats;
252
253 struct e1000_ring test_tx_ring;
254 struct e1000_ring test_rx_ring;
255 u32 test_icr;
256
257 u32 msg_enable;
258
259 u32 eeprom_wol;
260 u32 wol;
261 u32 pba;
262
318a94d6 263 bool fc_autoneg;
bc7f75fa
AK		 264
265 unsigned long led_status;
266
267 unsigned int flags;
268};
269
270struct e1000_info {
271 enum e1000_mac_type mac;
272 unsigned int flags;
273 u32 pba;
274 s32 (*get_invariants)(struct e1000_adapter *);
275 struct e1000_mac_operations *mac_ops;
276 struct e1000_phy_operations *phy_ops;
277 struct e1000_nvm_operations *nvm_ops;
278};
279
280/* hardware capability, feature, and workaround flags */
281#define FLAG_HAS_AMT (1 << 0)
282#define FLAG_HAS_FLASH (1 << 1)
283#define FLAG_HAS_HW_VLAN_FILTER (1 << 2)
284#define FLAG_HAS_WOL (1 << 3)
285#define FLAG_HAS_ERT (1 << 4)
286#define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5)
287#define FLAG_HAS_SWSM_ON_LOAD (1 << 6)
288#define FLAG_HAS_JUMBO_FRAMES (1 << 7)
bc7f75fa
AK		 289#define FLAG_HAS_STATS_ICR_ICT (1 << 9)
290#define FLAG_HAS_STATS_PTC_PRC (1 << 10)
291#define FLAG_HAS_SMART_POWER_DOWN (1 << 11)
292#define FLAG_IS_QUAD_PORT_A (1 << 12)
293#define FLAG_IS_QUAD_PORT (1 << 13)
294#define FLAG_TIPG_MEDIUM_FOR_80003ESLAN (1 << 14)
295#define FLAG_APME_IN_WUC (1 << 15)
296#define FLAG_APME_IN_CTRL3 (1 << 16)
297#define FLAG_APME_CHECK_PORT_B (1 << 17)
298#define FLAG_DISABLE_FC_PAUSE_TIME (1 << 18)
299#define FLAG_NO_WAKE_UCAST (1 << 19)
300#define FLAG_MNG_PT_ENABLED (1 << 20)
301#define FLAG_RESET_OVERWRITES_LAA (1 << 21)
302#define FLAG_TARC_SPEED_MODE_BIT (1 << 22)
303#define FLAG_TARC_SET_BIT_ZERO (1 << 23)
304#define FLAG_RX_NEEDS_RESTART (1 << 24)
305#define FLAG_LSC_GIG_SPEED_DROP (1 << 25)
306#define FLAG_SMART_POWER_DOWN (1 << 26)
307#define FLAG_MSI_ENABLED (1 << 27)
308#define FLAG_RX_CSUM_ENABLED (1 << 28)
309#define FLAG_TSO_FORCE (1 << 29)
318a94d6 310#define FLAG_RX_RESTART_NOW (1 << 30)
bc7f75fa
AK		 311
312#define E1000_RX_DESC_PS(R, i) \
313 (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
314#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
315#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
316#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
317#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
318
319enum e1000_state_t {
320 __E1000_TESTING,
321 __E1000_RESETTING,
322 __E1000_DOWN
323};
324
325enum latency_range {
326 lowest_latency = 0,
327 low_latency = 1,
328 bulk_latency = 2,
329 latency_invalid = 255
330};
331
332extern char e1000e_driver_name[];
333extern const char e1000e_driver_version[];
334
335extern void e1000e_check_options(struct e1000_adapter *adapter);
336extern void e1000e_set_ethtool_ops(struct net_device *netdev);
337
338extern int e1000e_up(struct e1000_adapter *adapter);
339extern void e1000e_down(struct e1000_adapter *adapter);
340extern void e1000e_reinit_locked(struct e1000_adapter *adapter);
341extern void e1000e_reset(struct e1000_adapter *adapter);
342extern void e1000e_power_up_phy(struct e1000_adapter *adapter);
343extern int e1000e_setup_rx_resources(struct e1000_adapter *adapter);
344extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter);
345extern void e1000e_free_rx_resources(struct e1000_adapter *adapter);
346extern void e1000e_free_tx_resources(struct e1000_adapter *adapter);
347extern void e1000e_update_stats(struct e1000_adapter *adapter);
348
349extern unsigned int copybreak;
350
351extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw);
352
353extern struct e1000_info e1000_82571_info;
354extern struct e1000_info e1000_82572_info;
355extern struct e1000_info e1000_82573_info;
356extern struct e1000_info e1000_ich8_info;
357extern struct e1000_info e1000_ich9_info;
358extern struct e1000_info e1000_es2_info;
359
360extern s32 e1000e_read_part_num(struct e1000_hw *hw, u32 *part_num);
361
362extern s32 e1000e_commit_phy(struct e1000_hw *hw);
363
364extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
365
366extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
367extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state);
368
369extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
370 bool state);
371extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
372extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
373
374extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw);
375extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw);
376extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw);
377extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw);
378extern s32 e1000e_led_on_generic(struct e1000_hw *hw);
379extern s32 e1000e_led_off_generic(struct e1000_hw *hw);
380extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw);
381extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex);
382extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex);
383extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw);
384extern s32 e1000e_get_auto_rd_done(struct e1000_hw *hw);
385extern s32 e1000e_id_led_init(struct e1000_hw *hw);
386extern void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw);
387extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw);
388extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw);
389extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
390extern s32 e1000e_setup_link(struct e1000_hw *hw);
391extern void e1000e_clear_vfta(struct e1000_hw *hw);
392extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
e2de3eb6
JK		 393extern void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
394 u8 *mc_addr_list,
395 u32 mc_addr_count,
396 u32 rar_used_count,
397 u32 rar_count);
bc7f75fa
AK		 398extern void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
399extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
400extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);
401extern s32 e1000e_get_hw_semaphore(struct e1000_hw *hw);
402extern s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data);
403extern void e1000e_config_collision_dist(struct e1000_hw *hw);
404extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
405extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
406extern s32 e1000e_blink_led(struct e1000_hw *hw);
407extern void e1000e_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
408extern void e1000e_reset_adaptive(struct e1000_hw *hw);
409extern void e1000e_update_adaptive(struct e1000_hw *hw);
410
411extern s32 e1000e_setup_copper_link(struct e1000_hw *hw);
412extern s32 e1000e_get_phy_id(struct e1000_hw *hw);
413extern void e1000e_put_hw_semaphore(struct e1000_hw *hw);
414extern s32 e1000e_check_reset_block_generic(struct e1000_hw *hw);
415extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw);
416extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw);
417extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw);
418extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
419extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw);
420extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active);
421extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
422extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw);
423extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw);
424extern s32 e1000e_get_cfg_done(struct e1000_hw *hw);
425extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw);
426extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw);
427extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data);
428extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data);
429extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id);
430extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
431extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data);
432extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data);
433extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
434 u32 usec_interval, bool *success);
435extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
436extern s32 e1000e_check_downshift(struct e1000_hw *hw);
437
438static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
439{
440 return hw->phy.ops.reset_phy(hw);
441}
442
443static inline s32 e1000_check_reset_block(struct e1000_hw *hw)
444{
445 return hw->phy.ops.check_reset_block(hw);
446}
447
448static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data)
449{
450 return hw->phy.ops.read_phy_reg(hw, offset, data);
451}
452
453static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data)
454{
455 return hw->phy.ops.write_phy_reg(hw, offset, data);
456}
457
458static inline s32 e1000_get_cable_length(struct e1000_hw *hw)
459{
460 return hw->phy.ops.get_cable_length(hw);
461}
462
463extern s32 e1000e_acquire_nvm(struct e1000_hw *hw);
464extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
465extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw);
466extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg);
bc7f75fa
AK		 467extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
468extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
469extern void e1000e_release_nvm(struct e1000_hw *hw);
470extern void e1000e_reload_nvm(struct e1000_hw *hw);
471extern s32 e1000e_read_mac_addr(struct e1000_hw *hw);
472
473static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
474{
475 return hw->nvm.ops.validate_nvm(hw);
476}
477
478static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
479{
480 return hw->nvm.ops.update_nvm(hw);
481}
482
483static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
484{
485 return hw->nvm.ops.read_nvm(hw, offset, words, data);
486}
487
488static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
489{
490 return hw->nvm.ops.write_nvm(hw, offset, words, data);
491}
492
493static inline s32 e1000_get_phy_info(struct e1000_hw *hw)
494{
495 return hw->phy.ops.get_phy_info(hw);
496}
497
498extern bool e1000e_check_mng_mode(struct e1000_hw *hw);
499extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw);
500extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length);
501
502static inline u32 __er32(struct e1000_hw *hw, unsigned long reg)
503{
504 return readl(hw->hw_addr + reg);
505}
506
507static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
508{
509 writel(val, hw->hw_addr + reg);
510}
511
512#endif /* _E1000_H_ */
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