1 /*******************************************************************************
2 
3   Intel PRO/1000 Linux driver
4   Copyright(c) 1999 - 2013 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 #ifndef _E1000_HW_H_
30 #define _E1000_HW_H_
31 
32 #include "regs.h"
33 #include "defines.h"
34 
35 struct e1000_hw;
36 
37 #define E1000_DEV_ID_82571EB_COPPER		0x105E
38 #define E1000_DEV_ID_82571EB_FIBER		0x105F
39 #define E1000_DEV_ID_82571EB_SERDES		0x1060
40 #define E1000_DEV_ID_82571EB_QUAD_COPPER	0x10A4
41 #define E1000_DEV_ID_82571PT_QUAD_COPPER	0x10D5
42 #define E1000_DEV_ID_82571EB_QUAD_FIBER		0x10A5
43 #define E1000_DEV_ID_82571EB_QUAD_COPPER_LP	0x10BC
44 #define E1000_DEV_ID_82571EB_SERDES_DUAL	0x10D9
45 #define E1000_DEV_ID_82571EB_SERDES_QUAD	0x10DA
46 #define E1000_DEV_ID_82572EI_COPPER		0x107D
47 #define E1000_DEV_ID_82572EI_FIBER		0x107E
48 #define E1000_DEV_ID_82572EI_SERDES		0x107F
49 #define E1000_DEV_ID_82572EI			0x10B9
50 #define E1000_DEV_ID_82573E			0x108B
51 #define E1000_DEV_ID_82573E_IAMT		0x108C
52 #define E1000_DEV_ID_82573L			0x109A
53 #define E1000_DEV_ID_82574L			0x10D3
54 #define E1000_DEV_ID_82574LA			0x10F6
55 #define E1000_DEV_ID_82583V			0x150C
56 #define E1000_DEV_ID_80003ES2LAN_COPPER_DPT	0x1096
57 #define E1000_DEV_ID_80003ES2LAN_SERDES_DPT	0x1098
58 #define E1000_DEV_ID_80003ES2LAN_COPPER_SPT	0x10BA
59 #define E1000_DEV_ID_80003ES2LAN_SERDES_SPT	0x10BB
60 #define E1000_DEV_ID_ICH8_82567V_3		0x1501
61 #define E1000_DEV_ID_ICH8_IGP_M_AMT		0x1049
62 #define E1000_DEV_ID_ICH8_IGP_AMT		0x104A
63 #define E1000_DEV_ID_ICH8_IGP_C			0x104B
64 #define E1000_DEV_ID_ICH8_IFE			0x104C
65 #define E1000_DEV_ID_ICH8_IFE_GT		0x10C4
66 #define E1000_DEV_ID_ICH8_IFE_G			0x10C5
67 #define E1000_DEV_ID_ICH8_IGP_M			0x104D
68 #define E1000_DEV_ID_ICH9_IGP_AMT		0x10BD
69 #define E1000_DEV_ID_ICH9_BM			0x10E5
70 #define E1000_DEV_ID_ICH9_IGP_M_AMT		0x10F5
71 #define E1000_DEV_ID_ICH9_IGP_M			0x10BF
72 #define E1000_DEV_ID_ICH9_IGP_M_V		0x10CB
73 #define E1000_DEV_ID_ICH9_IGP_C			0x294C
74 #define E1000_DEV_ID_ICH9_IFE			0x10C0
75 #define E1000_DEV_ID_ICH9_IFE_GT		0x10C3
76 #define E1000_DEV_ID_ICH9_IFE_G			0x10C2
77 #define E1000_DEV_ID_ICH10_R_BM_LM		0x10CC
78 #define E1000_DEV_ID_ICH10_R_BM_LF		0x10CD
79 #define E1000_DEV_ID_ICH10_R_BM_V		0x10CE
80 #define E1000_DEV_ID_ICH10_D_BM_LM		0x10DE
81 #define E1000_DEV_ID_ICH10_D_BM_LF		0x10DF
82 #define E1000_DEV_ID_ICH10_D_BM_V		0x1525
83 #define E1000_DEV_ID_PCH_M_HV_LM		0x10EA
84 #define E1000_DEV_ID_PCH_M_HV_LC		0x10EB
85 #define E1000_DEV_ID_PCH_D_HV_DM		0x10EF
86 #define E1000_DEV_ID_PCH_D_HV_DC		0x10F0
87 #define E1000_DEV_ID_PCH2_LV_LM			0x1502
88 #define E1000_DEV_ID_PCH2_LV_V			0x1503
89 #define E1000_DEV_ID_PCH_LPT_I217_LM		0x153A
90 #define E1000_DEV_ID_PCH_LPT_I217_V		0x153B
91 #define E1000_DEV_ID_PCH_LPTLP_I218_LM		0x155A
92 #define E1000_DEV_ID_PCH_LPTLP_I218_V		0x1559
93 #define E1000_DEV_ID_PCH_I218_LM2		0x15A0
94 #define E1000_DEV_ID_PCH_I218_V2		0x15A1
95 #define E1000_DEV_ID_PCH_I218_LM3		0x15A2	/* Wildcat Point PCH */
96 #define E1000_DEV_ID_PCH_I218_V3		0x15A3	/* Wildcat Point PCH */
97 
98 #define E1000_REVISION_4	4
99 
100 #define E1000_FUNC_1		1
101 
102 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0	0
103 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1	3
104 
105 enum e1000_mac_type {
106 	e1000_82571,
107 	e1000_82572,
108 	e1000_82573,
109 	e1000_82574,
110 	e1000_82583,
111 	e1000_80003es2lan,
112 	e1000_ich8lan,
113 	e1000_ich9lan,
114 	e1000_ich10lan,
115 	e1000_pchlan,
116 	e1000_pch2lan,
117 	e1000_pch_lpt,
118 };
119 
120 enum e1000_media_type {
121 	e1000_media_type_unknown = 0,
122 	e1000_media_type_copper = 1,
123 	e1000_media_type_fiber = 2,
124 	e1000_media_type_internal_serdes = 3,
125 	e1000_num_media_types
126 };
127 
128 enum e1000_nvm_type {
129 	e1000_nvm_unknown = 0,
130 	e1000_nvm_none,
131 	e1000_nvm_eeprom_spi,
132 	e1000_nvm_flash_hw,
133 	e1000_nvm_flash_sw
134 };
135 
136 enum e1000_nvm_override {
137 	e1000_nvm_override_none = 0,
138 	e1000_nvm_override_spi_small,
139 	e1000_nvm_override_spi_large
140 };
141 
142 enum e1000_phy_type {
143 	e1000_phy_unknown = 0,
144 	e1000_phy_none,
145 	e1000_phy_m88,
146 	e1000_phy_igp,
147 	e1000_phy_igp_2,
148 	e1000_phy_gg82563,
149 	e1000_phy_igp_3,
150 	e1000_phy_ife,
151 	e1000_phy_bm,
152 	e1000_phy_82578,
153 	e1000_phy_82577,
154 	e1000_phy_82579,
155 	e1000_phy_i217,
156 };
157 
158 enum e1000_bus_width {
159 	e1000_bus_width_unknown = 0,
160 	e1000_bus_width_pcie_x1,
161 	e1000_bus_width_pcie_x2,
162 	e1000_bus_width_pcie_x4 = 4,
163 	e1000_bus_width_32,
164 	e1000_bus_width_64,
165 	e1000_bus_width_reserved
166 };
167 
168 enum e1000_1000t_rx_status {
169 	e1000_1000t_rx_status_not_ok = 0,
170 	e1000_1000t_rx_status_ok,
171 	e1000_1000t_rx_status_undefined = 0xFF
172 };
173 
174 enum e1000_rev_polarity {
175 	e1000_rev_polarity_normal = 0,
176 	e1000_rev_polarity_reversed,
177 	e1000_rev_polarity_undefined = 0xFF
178 };
179 
180 enum e1000_fc_mode {
181 	e1000_fc_none = 0,
182 	e1000_fc_rx_pause,
183 	e1000_fc_tx_pause,
184 	e1000_fc_full,
185 	e1000_fc_default = 0xFF
186 };
187 
188 enum e1000_ms_type {
189 	e1000_ms_hw_default = 0,
190 	e1000_ms_force_master,
191 	e1000_ms_force_slave,
192 	e1000_ms_auto
193 };
194 
195 enum e1000_smart_speed {
196 	e1000_smart_speed_default = 0,
197 	e1000_smart_speed_on,
198 	e1000_smart_speed_off
199 };
200 
201 enum e1000_serdes_link_state {
202 	e1000_serdes_link_down = 0,
203 	e1000_serdes_link_autoneg_progress,
204 	e1000_serdes_link_autoneg_complete,
205 	e1000_serdes_link_forced_up
206 };
207 
208 /* Receive Descriptor - Extended */
209 union e1000_rx_desc_extended {
210 	struct {
211 		__le64 buffer_addr;
212 		__le64 reserved;
213 	} read;
214 	struct {
215 		struct {
216 			__le32 mrq;	      /* Multiple Rx Queues */
217 			union {
218 				__le32 rss;	    /* RSS Hash */
219 				struct {
220 					__le16 ip_id;  /* IP id */
221 					__le16 csum;   /* Packet Checksum */
222 				} csum_ip;
223 			} hi_dword;
224 		} lower;
225 		struct {
226 			__le32 status_error;     /* ext status/error */
227 			__le16 length;
228 			__le16 vlan;	     /* VLAN tag */
229 		} upper;
230 	} wb;  /* writeback */
231 };
232 
233 #define MAX_PS_BUFFERS 4
234 
235 /* Number of packet split data buffers (not including the header buffer) */
236 #define PS_PAGE_BUFFERS	(MAX_PS_BUFFERS - 1)
237 
238 /* Receive Descriptor - Packet Split */
239 union e1000_rx_desc_packet_split {
240 	struct {
241 		/* one buffer for protocol header(s), three data buffers */
242 		__le64 buffer_addr[MAX_PS_BUFFERS];
243 	} read;
244 	struct {
245 		struct {
246 			__le32 mrq;	      /* Multiple Rx Queues */
247 			union {
248 				__le32 rss;	      /* RSS Hash */
249 				struct {
250 					__le16 ip_id;    /* IP id */
251 					__le16 csum;     /* Packet Checksum */
252 				} csum_ip;
253 			} hi_dword;
254 		} lower;
255 		struct {
256 			__le32 status_error;     /* ext status/error */
257 			__le16 length0;	  /* length of buffer 0 */
258 			__le16 vlan;	     /* VLAN tag */
259 		} middle;
260 		struct {
261 			__le16 header_status;
262 			/* length of buffers 1-3 */
263 			__le16 length[PS_PAGE_BUFFERS];
264 		} upper;
265 		__le64 reserved;
266 	} wb; /* writeback */
267 };
268 
269 /* Transmit Descriptor */
270 struct e1000_tx_desc {
271 	__le64 buffer_addr;      /* Address of the descriptor's data buffer */
272 	union {
273 		__le32 data;
274 		struct {
275 			__le16 length;    /* Data buffer length */
276 			u8 cso;	/* Checksum offset */
277 			u8 cmd;	/* Descriptor control */
278 		} flags;
279 	} lower;
280 	union {
281 		__le32 data;
282 		struct {
283 			u8 status;     /* Descriptor status */
284 			u8 css;	/* Checksum start */
285 			__le16 special;
286 		} fields;
287 	} upper;
288 };
289 
290 /* Offload Context Descriptor */
291 struct e1000_context_desc {
292 	union {
293 		__le32 ip_config;
294 		struct {
295 			u8 ipcss;      /* IP checksum start */
296 			u8 ipcso;      /* IP checksum offset */
297 			__le16 ipcse;     /* IP checksum end */
298 		} ip_fields;
299 	} lower_setup;
300 	union {
301 		__le32 tcp_config;
302 		struct {
303 			u8 tucss;      /* TCP checksum start */
304 			u8 tucso;      /* TCP checksum offset */
305 			__le16 tucse;     /* TCP checksum end */
306 		} tcp_fields;
307 	} upper_setup;
308 	__le32 cmd_and_length;
309 	union {
310 		__le32 data;
311 		struct {
312 			u8 status;     /* Descriptor status */
313 			u8 hdr_len;    /* Header length */
314 			__le16 mss;       /* Maximum segment size */
315 		} fields;
316 	} tcp_seg_setup;
317 };
318 
319 /* Offload data descriptor */
320 struct e1000_data_desc {
321 	__le64 buffer_addr;   /* Address of the descriptor's buffer address */
322 	union {
323 		__le32 data;
324 		struct {
325 			__le16 length;    /* Data buffer length */
326 			u8 typ_len_ext;
327 			u8 cmd;
328 		} flags;
329 	} lower;
330 	union {
331 		__le32 data;
332 		struct {
333 			u8 status;     /* Descriptor status */
334 			u8 popts;      /* Packet Options */
335 			__le16 special;
336 		} fields;
337 	} upper;
338 };
339 
340 /* Statistics counters collected by the MAC */
341 struct e1000_hw_stats {
342 	u64 crcerrs;
343 	u64 algnerrc;
344 	u64 symerrs;
345 	u64 rxerrc;
346 	u64 mpc;
347 	u64 scc;
348 	u64 ecol;
349 	u64 mcc;
350 	u64 latecol;
351 	u64 colc;
352 	u64 dc;
353 	u64 tncrs;
354 	u64 sec;
355 	u64 cexterr;
356 	u64 rlec;
357 	u64 xonrxc;
358 	u64 xontxc;
359 	u64 xoffrxc;
360 	u64 xofftxc;
361 	u64 fcruc;
362 	u64 prc64;
363 	u64 prc127;
364 	u64 prc255;
365 	u64 prc511;
366 	u64 prc1023;
367 	u64 prc1522;
368 	u64 gprc;
369 	u64 bprc;
370 	u64 mprc;
371 	u64 gptc;
372 	u64 gorc;
373 	u64 gotc;
374 	u64 rnbc;
375 	u64 ruc;
376 	u64 rfc;
377 	u64 roc;
378 	u64 rjc;
379 	u64 mgprc;
380 	u64 mgpdc;
381 	u64 mgptc;
382 	u64 tor;
383 	u64 tot;
384 	u64 tpr;
385 	u64 tpt;
386 	u64 ptc64;
387 	u64 ptc127;
388 	u64 ptc255;
389 	u64 ptc511;
390 	u64 ptc1023;
391 	u64 ptc1522;
392 	u64 mptc;
393 	u64 bptc;
394 	u64 tsctc;
395 	u64 tsctfc;
396 	u64 iac;
397 	u64 icrxptc;
398 	u64 icrxatc;
399 	u64 ictxptc;
400 	u64 ictxatc;
401 	u64 ictxqec;
402 	u64 ictxqmtc;
403 	u64 icrxdmtc;
404 	u64 icrxoc;
405 };
406 
407 struct e1000_phy_stats {
408 	u32 idle_errors;
409 	u32 receive_errors;
410 };
411 
412 struct e1000_host_mng_dhcp_cookie {
413 	u32 signature;
414 	u8 status;
415 	u8 reserved0;
416 	u16 vlan_id;
417 	u32 reserved1;
418 	u16 reserved2;
419 	u8 reserved3;
420 	u8 checksum;
421 };
422 
423 /* Host Interface "Rev 1" */
424 struct e1000_host_command_header {
425 	u8 command_id;
426 	u8 command_length;
427 	u8 command_options;
428 	u8 checksum;
429 };
430 
431 #define E1000_HI_MAX_DATA_LENGTH	252
432 struct e1000_host_command_info {
433 	struct e1000_host_command_header command_header;
434 	u8 command_data[E1000_HI_MAX_DATA_LENGTH];
435 };
436 
437 /* Host Interface "Rev 2" */
438 struct e1000_host_mng_command_header {
439 	u8 command_id;
440 	u8 checksum;
441 	u16 reserved1;
442 	u16 reserved2;
443 	u16 command_length;
444 };
445 
446 #define E1000_HI_MAX_MNG_DATA_LENGTH	0x6F8
447 struct e1000_host_mng_command_info {
448 	struct e1000_host_mng_command_header command_header;
449 	u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
450 };
451 
452 #include "mac.h"
453 #include "phy.h"
454 #include "nvm.h"
455 #include "manage.h"
456 
457 /* Function pointers for the MAC. */
458 struct e1000_mac_operations {
459 	s32  (*id_led_init)(struct e1000_hw *);
460 	s32  (*blink_led)(struct e1000_hw *);
461 	bool (*check_mng_mode)(struct e1000_hw *);
462 	s32  (*check_for_link)(struct e1000_hw *);
463 	s32  (*cleanup_led)(struct e1000_hw *);
464 	void (*clear_hw_cntrs)(struct e1000_hw *);
465 	void (*clear_vfta)(struct e1000_hw *);
466 	s32  (*get_bus_info)(struct e1000_hw *);
467 	void (*set_lan_id)(struct e1000_hw *);
468 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
469 	s32  (*led_on)(struct e1000_hw *);
470 	s32  (*led_off)(struct e1000_hw *);
471 	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
472 	s32  (*reset_hw)(struct e1000_hw *);
473 	s32  (*init_hw)(struct e1000_hw *);
474 	s32  (*setup_link)(struct e1000_hw *);
475 	s32  (*setup_physical_interface)(struct e1000_hw *);
476 	s32  (*setup_led)(struct e1000_hw *);
477 	void (*write_vfta)(struct e1000_hw *, u32, u32);
478 	void (*config_collision_dist)(struct e1000_hw *);
479 	void (*rar_set)(struct e1000_hw *, u8 *, u32);
480 	s32  (*read_mac_addr)(struct e1000_hw *);
481 };
482 
483 /* When to use various PHY register access functions:
484  *
485  *                 Func   Caller
486  *   Function      Does   Does    When to use
487  *   ~~~~~~~~~~~~  ~~~~~  ~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
488  *   X_reg         L,P,A  n/a     for simple PHY reg accesses
489  *   X_reg_locked  P,A    L       for multiple accesses of different regs
490  *                                on different pages
491  *   X_reg_page    A      L,P     for multiple accesses of different regs
492  *                                on the same page
493  *
494  * Where X=[read|write], L=locking, P=sets page, A=register access
495  *
496  */
497 struct e1000_phy_operations {
498 	s32  (*acquire)(struct e1000_hw *);
499 	s32  (*cfg_on_link_up)(struct e1000_hw *);
500 	s32  (*check_polarity)(struct e1000_hw *);
501 	s32  (*check_reset_block)(struct e1000_hw *);
502 	s32  (*commit)(struct e1000_hw *);
503 	s32  (*force_speed_duplex)(struct e1000_hw *);
504 	s32  (*get_cfg_done)(struct e1000_hw *hw);
505 	s32  (*get_cable_length)(struct e1000_hw *);
506 	s32  (*get_info)(struct e1000_hw *);
507 	s32  (*set_page)(struct e1000_hw *, u16);
508 	s32  (*read_reg)(struct e1000_hw *, u32, u16 *);
509 	s32  (*read_reg_locked)(struct e1000_hw *, u32, u16 *);
510 	s32  (*read_reg_page)(struct e1000_hw *, u32, u16 *);
511 	void (*release)(struct e1000_hw *);
512 	s32  (*reset)(struct e1000_hw *);
513 	s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
514 	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
515 	s32  (*write_reg)(struct e1000_hw *, u32, u16);
516 	s32  (*write_reg_locked)(struct e1000_hw *, u32, u16);
517 	s32  (*write_reg_page)(struct e1000_hw *, u32, u16);
518 	void (*power_up)(struct e1000_hw *);
519 	void (*power_down)(struct e1000_hw *);
520 };
521 
522 /* Function pointers for the NVM. */
523 struct e1000_nvm_operations {
524 	s32  (*acquire)(struct e1000_hw *);
525 	s32  (*read)(struct e1000_hw *, u16, u16, u16 *);
526 	void (*release)(struct e1000_hw *);
527 	void (*reload)(struct e1000_hw *);
528 	s32  (*update)(struct e1000_hw *);
529 	s32  (*valid_led_default)(struct e1000_hw *, u16 *);
530 	s32  (*validate)(struct e1000_hw *);
531 	s32  (*write)(struct e1000_hw *, u16, u16, u16 *);
532 };
533 
534 struct e1000_mac_info {
535 	struct e1000_mac_operations ops;
536 	u8 addr[ETH_ALEN];
537 	u8 perm_addr[ETH_ALEN];
538 
539 	enum e1000_mac_type type;
540 
541 	u32 collision_delta;
542 	u32 ledctl_default;
543 	u32 ledctl_mode1;
544 	u32 ledctl_mode2;
545 	u32 mc_filter_type;
546 	u32 tx_packet_delta;
547 	u32 txcw;
548 
549 	u16 current_ifs_val;
550 	u16 ifs_max_val;
551 	u16 ifs_min_val;
552 	u16 ifs_ratio;
553 	u16 ifs_step_size;
554 	u16 mta_reg_count;
555 
556 	/* Maximum size of the MTA register table in all supported adapters */
557 #define MAX_MTA_REG 128
558 	u32 mta_shadow[MAX_MTA_REG];
559 	u16 rar_entry_count;
560 
561 	u8 forced_speed_duplex;
562 
563 	bool adaptive_ifs;
564 	bool has_fwsm;
565 	bool arc_subsystem_valid;
566 	bool autoneg;
567 	bool autoneg_failed;
568 	bool get_link_status;
569 	bool in_ifs_mode;
570 	bool serdes_has_link;
571 	bool tx_pkt_filtering;
572 	enum e1000_serdes_link_state serdes_link_state;
573 };
574 
575 struct e1000_phy_info {
576 	struct e1000_phy_operations ops;
577 
578 	enum e1000_phy_type type;
579 
580 	enum e1000_1000t_rx_status local_rx;
581 	enum e1000_1000t_rx_status remote_rx;
582 	enum e1000_ms_type ms_type;
583 	enum e1000_ms_type original_ms_type;
584 	enum e1000_rev_polarity cable_polarity;
585 	enum e1000_smart_speed smart_speed;
586 
587 	u32 addr;
588 	u32 id;
589 	u32 reset_delay_us;	/* in usec */
590 	u32 revision;
591 
592 	enum e1000_media_type media_type;
593 
594 	u16 autoneg_advertised;
595 	u16 autoneg_mask;
596 	u16 cable_length;
597 	u16 max_cable_length;
598 	u16 min_cable_length;
599 
600 	u8 mdix;
601 
602 	bool disable_polarity_correction;
603 	bool is_mdix;
604 	bool polarity_correction;
605 	bool speed_downgraded;
606 	bool autoneg_wait_to_complete;
607 };
608 
609 struct e1000_nvm_info {
610 	struct e1000_nvm_operations ops;
611 
612 	enum e1000_nvm_type type;
613 	enum e1000_nvm_override override;
614 
615 	u32 flash_bank_size;
616 	u32 flash_base_addr;
617 
618 	u16 word_size;
619 	u16 delay_usec;
620 	u16 address_bits;
621 	u16 opcode_bits;
622 	u16 page_size;
623 };
624 
625 struct e1000_bus_info {
626 	enum e1000_bus_width width;
627 
628 	u16 func;
629 };
630 
631 struct e1000_fc_info {
632 	u32 high_water;          /* Flow control high-water mark */
633 	u32 low_water;           /* Flow control low-water mark */
634 	u16 pause_time;          /* Flow control pause timer */
635 	u16 refresh_time;        /* Flow control refresh timer */
636 	bool send_xon;           /* Flow control send XON */
637 	bool strict_ieee;        /* Strict IEEE mode */
638 	enum e1000_fc_mode current_mode; /* FC mode in effect */
639 	enum e1000_fc_mode requested_mode; /* FC mode requested by caller */
640 };
641 
642 struct e1000_dev_spec_82571 {
643 	bool laa_is_present;
644 	u32 smb_counter;
645 };
646 
647 struct e1000_dev_spec_80003es2lan {
648 	bool mdic_wa_enable;
649 };
650 
651 struct e1000_shadow_ram {
652 	u16 value;
653 	bool modified;
654 };
655 
656 #define E1000_ICH8_SHADOW_RAM_WORDS		2048
657 
658 struct e1000_dev_spec_ich8lan {
659 	bool kmrn_lock_loss_workaround_enabled;
660 	struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS];
661 	bool nvm_k1_enabled;
662 	bool eee_disable;
663 	u16 eee_lp_ability;
664 };
665 
666 struct e1000_hw {
667 	struct e1000_adapter *adapter;
668 
669 	void __iomem *hw_addr;
670 	void __iomem *flash_address;
671 
672 	struct e1000_mac_info mac;
673 	struct e1000_fc_info fc;
674 	struct e1000_phy_info phy;
675 	struct e1000_nvm_info nvm;
676 	struct e1000_bus_info bus;
677 	struct e1000_host_mng_dhcp_cookie mng_cookie;
678 
679 	union {
680 		struct e1000_dev_spec_82571 e82571;
681 		struct e1000_dev_spec_80003es2lan e80003es2lan;
682 		struct e1000_dev_spec_ich8lan ich8lan;
683 	} dev_spec;
684 };
685 
686 #include "82571.h"
687 #include "80003es2lan.h"
688 #include "ich8lan.h"
689 
690 #endif
691