xref: /linux/drivers/net/ethernet/intel/e1000e/hw.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /* Intel PRO/1000 Linux driver
2  * Copyright(c) 1999 - 2014 Intel Corporation.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * The full GNU General Public License is included in this distribution in
14  * the file called "COPYING".
15  *
16  * Contact Information:
17  * Linux NICS <linux.nics@intel.com>
18  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
19  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
20  */
21 
22 #ifndef _E1000_HW_H_
23 #define _E1000_HW_H_
24 
25 #include "regs.h"
26 #include "defines.h"
27 
28 struct e1000_hw;
29 
30 #define E1000_DEV_ID_82571EB_COPPER		0x105E
31 #define E1000_DEV_ID_82571EB_FIBER		0x105F
32 #define E1000_DEV_ID_82571EB_SERDES		0x1060
33 #define E1000_DEV_ID_82571EB_QUAD_COPPER	0x10A4
34 #define E1000_DEV_ID_82571PT_QUAD_COPPER	0x10D5
35 #define E1000_DEV_ID_82571EB_QUAD_FIBER		0x10A5
36 #define E1000_DEV_ID_82571EB_QUAD_COPPER_LP	0x10BC
37 #define E1000_DEV_ID_82571EB_SERDES_DUAL	0x10D9
38 #define E1000_DEV_ID_82571EB_SERDES_QUAD	0x10DA
39 #define E1000_DEV_ID_82572EI_COPPER		0x107D
40 #define E1000_DEV_ID_82572EI_FIBER		0x107E
41 #define E1000_DEV_ID_82572EI_SERDES		0x107F
42 #define E1000_DEV_ID_82572EI			0x10B9
43 #define E1000_DEV_ID_82573E			0x108B
44 #define E1000_DEV_ID_82573E_IAMT		0x108C
45 #define E1000_DEV_ID_82573L			0x109A
46 #define E1000_DEV_ID_82574L			0x10D3
47 #define E1000_DEV_ID_82574LA			0x10F6
48 #define E1000_DEV_ID_82583V			0x150C
49 #define E1000_DEV_ID_80003ES2LAN_COPPER_DPT	0x1096
50 #define E1000_DEV_ID_80003ES2LAN_SERDES_DPT	0x1098
51 #define E1000_DEV_ID_80003ES2LAN_COPPER_SPT	0x10BA
52 #define E1000_DEV_ID_80003ES2LAN_SERDES_SPT	0x10BB
53 #define E1000_DEV_ID_ICH8_82567V_3		0x1501
54 #define E1000_DEV_ID_ICH8_IGP_M_AMT		0x1049
55 #define E1000_DEV_ID_ICH8_IGP_AMT		0x104A
56 #define E1000_DEV_ID_ICH8_IGP_C			0x104B
57 #define E1000_DEV_ID_ICH8_IFE			0x104C
58 #define E1000_DEV_ID_ICH8_IFE_GT		0x10C4
59 #define E1000_DEV_ID_ICH8_IFE_G			0x10C5
60 #define E1000_DEV_ID_ICH8_IGP_M			0x104D
61 #define E1000_DEV_ID_ICH9_IGP_AMT		0x10BD
62 #define E1000_DEV_ID_ICH9_BM			0x10E5
63 #define E1000_DEV_ID_ICH9_IGP_M_AMT		0x10F5
64 #define E1000_DEV_ID_ICH9_IGP_M			0x10BF
65 #define E1000_DEV_ID_ICH9_IGP_M_V		0x10CB
66 #define E1000_DEV_ID_ICH9_IGP_C			0x294C
67 #define E1000_DEV_ID_ICH9_IFE			0x10C0
68 #define E1000_DEV_ID_ICH9_IFE_GT		0x10C3
69 #define E1000_DEV_ID_ICH9_IFE_G			0x10C2
70 #define E1000_DEV_ID_ICH10_R_BM_LM		0x10CC
71 #define E1000_DEV_ID_ICH10_R_BM_LF		0x10CD
72 #define E1000_DEV_ID_ICH10_R_BM_V		0x10CE
73 #define E1000_DEV_ID_ICH10_D_BM_LM		0x10DE
74 #define E1000_DEV_ID_ICH10_D_BM_LF		0x10DF
75 #define E1000_DEV_ID_ICH10_D_BM_V		0x1525
76 #define E1000_DEV_ID_PCH_M_HV_LM		0x10EA
77 #define E1000_DEV_ID_PCH_M_HV_LC		0x10EB
78 #define E1000_DEV_ID_PCH_D_HV_DM		0x10EF
79 #define E1000_DEV_ID_PCH_D_HV_DC		0x10F0
80 #define E1000_DEV_ID_PCH2_LV_LM			0x1502
81 #define E1000_DEV_ID_PCH2_LV_V			0x1503
82 #define E1000_DEV_ID_PCH_LPT_I217_LM		0x153A
83 #define E1000_DEV_ID_PCH_LPT_I217_V		0x153B
84 #define E1000_DEV_ID_PCH_LPTLP_I218_LM		0x155A
85 #define E1000_DEV_ID_PCH_LPTLP_I218_V		0x1559
86 #define E1000_DEV_ID_PCH_I218_LM2		0x15A0
87 #define E1000_DEV_ID_PCH_I218_V2		0x15A1
88 #define E1000_DEV_ID_PCH_I218_LM3		0x15A2	/* Wildcat Point PCH */
89 #define E1000_DEV_ID_PCH_I218_V3		0x15A3	/* Wildcat Point PCH */
90 
91 #define E1000_REVISION_4	4
92 
93 #define E1000_FUNC_1		1
94 
95 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0	0
96 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1	3
97 
98 enum e1000_mac_type {
99 	e1000_82571,
100 	e1000_82572,
101 	e1000_82573,
102 	e1000_82574,
103 	e1000_82583,
104 	e1000_80003es2lan,
105 	e1000_ich8lan,
106 	e1000_ich9lan,
107 	e1000_ich10lan,
108 	e1000_pchlan,
109 	e1000_pch2lan,
110 	e1000_pch_lpt,
111 };
112 
113 enum e1000_media_type {
114 	e1000_media_type_unknown = 0,
115 	e1000_media_type_copper = 1,
116 	e1000_media_type_fiber = 2,
117 	e1000_media_type_internal_serdes = 3,
118 	e1000_num_media_types
119 };
120 
121 enum e1000_nvm_type {
122 	e1000_nvm_unknown = 0,
123 	e1000_nvm_none,
124 	e1000_nvm_eeprom_spi,
125 	e1000_nvm_flash_hw,
126 	e1000_nvm_flash_sw
127 };
128 
129 enum e1000_nvm_override {
130 	e1000_nvm_override_none = 0,
131 	e1000_nvm_override_spi_small,
132 	e1000_nvm_override_spi_large
133 };
134 
135 enum e1000_phy_type {
136 	e1000_phy_unknown = 0,
137 	e1000_phy_none,
138 	e1000_phy_m88,
139 	e1000_phy_igp,
140 	e1000_phy_igp_2,
141 	e1000_phy_gg82563,
142 	e1000_phy_igp_3,
143 	e1000_phy_ife,
144 	e1000_phy_bm,
145 	e1000_phy_82578,
146 	e1000_phy_82577,
147 	e1000_phy_82579,
148 	e1000_phy_i217,
149 };
150 
151 enum e1000_bus_width {
152 	e1000_bus_width_unknown = 0,
153 	e1000_bus_width_pcie_x1,
154 	e1000_bus_width_pcie_x2,
155 	e1000_bus_width_pcie_x4 = 4,
156 	e1000_bus_width_32,
157 	e1000_bus_width_64,
158 	e1000_bus_width_reserved
159 };
160 
161 enum e1000_1000t_rx_status {
162 	e1000_1000t_rx_status_not_ok = 0,
163 	e1000_1000t_rx_status_ok,
164 	e1000_1000t_rx_status_undefined = 0xFF
165 };
166 
167 enum e1000_rev_polarity {
168 	e1000_rev_polarity_normal = 0,
169 	e1000_rev_polarity_reversed,
170 	e1000_rev_polarity_undefined = 0xFF
171 };
172 
173 enum e1000_fc_mode {
174 	e1000_fc_none = 0,
175 	e1000_fc_rx_pause,
176 	e1000_fc_tx_pause,
177 	e1000_fc_full,
178 	e1000_fc_default = 0xFF
179 };
180 
181 enum e1000_ms_type {
182 	e1000_ms_hw_default = 0,
183 	e1000_ms_force_master,
184 	e1000_ms_force_slave,
185 	e1000_ms_auto
186 };
187 
188 enum e1000_smart_speed {
189 	e1000_smart_speed_default = 0,
190 	e1000_smart_speed_on,
191 	e1000_smart_speed_off
192 };
193 
194 enum e1000_serdes_link_state {
195 	e1000_serdes_link_down = 0,
196 	e1000_serdes_link_autoneg_progress,
197 	e1000_serdes_link_autoneg_complete,
198 	e1000_serdes_link_forced_up
199 };
200 
201 /* Receive Descriptor - Extended */
202 union e1000_rx_desc_extended {
203 	struct {
204 		__le64 buffer_addr;
205 		__le64 reserved;
206 	} read;
207 	struct {
208 		struct {
209 			__le32 mrq;	      /* Multiple Rx Queues */
210 			union {
211 				__le32 rss;	    /* RSS Hash */
212 				struct {
213 					__le16 ip_id;  /* IP id */
214 					__le16 csum;   /* Packet Checksum */
215 				} csum_ip;
216 			} hi_dword;
217 		} lower;
218 		struct {
219 			__le32 status_error;     /* ext status/error */
220 			__le16 length;
221 			__le16 vlan;	     /* VLAN tag */
222 		} upper;
223 	} wb;  /* writeback */
224 };
225 
226 #define MAX_PS_BUFFERS 4
227 
228 /* Number of packet split data buffers (not including the header buffer) */
229 #define PS_PAGE_BUFFERS	(MAX_PS_BUFFERS - 1)
230 
231 /* Receive Descriptor - Packet Split */
232 union e1000_rx_desc_packet_split {
233 	struct {
234 		/* one buffer for protocol header(s), three data buffers */
235 		__le64 buffer_addr[MAX_PS_BUFFERS];
236 	} read;
237 	struct {
238 		struct {
239 			__le32 mrq;	      /* Multiple Rx Queues */
240 			union {
241 				__le32 rss;	      /* RSS Hash */
242 				struct {
243 					__le16 ip_id;    /* IP id */
244 					__le16 csum;     /* Packet Checksum */
245 				} csum_ip;
246 			} hi_dword;
247 		} lower;
248 		struct {
249 			__le32 status_error;     /* ext status/error */
250 			__le16 length0;	  /* length of buffer 0 */
251 			__le16 vlan;	     /* VLAN tag */
252 		} middle;
253 		struct {
254 			__le16 header_status;
255 			/* length of buffers 1-3 */
256 			__le16 length[PS_PAGE_BUFFERS];
257 		} upper;
258 		__le64 reserved;
259 	} wb; /* writeback */
260 };
261 
262 /* Transmit Descriptor */
263 struct e1000_tx_desc {
264 	__le64 buffer_addr;      /* Address of the descriptor's data buffer */
265 	union {
266 		__le32 data;
267 		struct {
268 			__le16 length;    /* Data buffer length */
269 			u8 cso;	/* Checksum offset */
270 			u8 cmd;	/* Descriptor control */
271 		} flags;
272 	} lower;
273 	union {
274 		__le32 data;
275 		struct {
276 			u8 status;     /* Descriptor status */
277 			u8 css;	/* Checksum start */
278 			__le16 special;
279 		} fields;
280 	} upper;
281 };
282 
283 /* Offload Context Descriptor */
284 struct e1000_context_desc {
285 	union {
286 		__le32 ip_config;
287 		struct {
288 			u8 ipcss;      /* IP checksum start */
289 			u8 ipcso;      /* IP checksum offset */
290 			__le16 ipcse;     /* IP checksum end */
291 		} ip_fields;
292 	} lower_setup;
293 	union {
294 		__le32 tcp_config;
295 		struct {
296 			u8 tucss;      /* TCP checksum start */
297 			u8 tucso;      /* TCP checksum offset */
298 			__le16 tucse;     /* TCP checksum end */
299 		} tcp_fields;
300 	} upper_setup;
301 	__le32 cmd_and_length;
302 	union {
303 		__le32 data;
304 		struct {
305 			u8 status;     /* Descriptor status */
306 			u8 hdr_len;    /* Header length */
307 			__le16 mss;       /* Maximum segment size */
308 		} fields;
309 	} tcp_seg_setup;
310 };
311 
312 /* Offload data descriptor */
313 struct e1000_data_desc {
314 	__le64 buffer_addr;   /* Address of the descriptor's buffer address */
315 	union {
316 		__le32 data;
317 		struct {
318 			__le16 length;    /* Data buffer length */
319 			u8 typ_len_ext;
320 			u8 cmd;
321 		} flags;
322 	} lower;
323 	union {
324 		__le32 data;
325 		struct {
326 			u8 status;     /* Descriptor status */
327 			u8 popts;      /* Packet Options */
328 			__le16 special;
329 		} fields;
330 	} upper;
331 };
332 
333 /* Statistics counters collected by the MAC */
334 struct e1000_hw_stats {
335 	u64 crcerrs;
336 	u64 algnerrc;
337 	u64 symerrs;
338 	u64 rxerrc;
339 	u64 mpc;
340 	u64 scc;
341 	u64 ecol;
342 	u64 mcc;
343 	u64 latecol;
344 	u64 colc;
345 	u64 dc;
346 	u64 tncrs;
347 	u64 sec;
348 	u64 cexterr;
349 	u64 rlec;
350 	u64 xonrxc;
351 	u64 xontxc;
352 	u64 xoffrxc;
353 	u64 xofftxc;
354 	u64 fcruc;
355 	u64 prc64;
356 	u64 prc127;
357 	u64 prc255;
358 	u64 prc511;
359 	u64 prc1023;
360 	u64 prc1522;
361 	u64 gprc;
362 	u64 bprc;
363 	u64 mprc;
364 	u64 gptc;
365 	u64 gorc;
366 	u64 gotc;
367 	u64 rnbc;
368 	u64 ruc;
369 	u64 rfc;
370 	u64 roc;
371 	u64 rjc;
372 	u64 mgprc;
373 	u64 mgpdc;
374 	u64 mgptc;
375 	u64 tor;
376 	u64 tot;
377 	u64 tpr;
378 	u64 tpt;
379 	u64 ptc64;
380 	u64 ptc127;
381 	u64 ptc255;
382 	u64 ptc511;
383 	u64 ptc1023;
384 	u64 ptc1522;
385 	u64 mptc;
386 	u64 bptc;
387 	u64 tsctc;
388 	u64 tsctfc;
389 	u64 iac;
390 	u64 icrxptc;
391 	u64 icrxatc;
392 	u64 ictxptc;
393 	u64 ictxatc;
394 	u64 ictxqec;
395 	u64 ictxqmtc;
396 	u64 icrxdmtc;
397 	u64 icrxoc;
398 };
399 
400 struct e1000_phy_stats {
401 	u32 idle_errors;
402 	u32 receive_errors;
403 };
404 
405 struct e1000_host_mng_dhcp_cookie {
406 	u32 signature;
407 	u8 status;
408 	u8 reserved0;
409 	u16 vlan_id;
410 	u32 reserved1;
411 	u16 reserved2;
412 	u8 reserved3;
413 	u8 checksum;
414 };
415 
416 /* Host Interface "Rev 1" */
417 struct e1000_host_command_header {
418 	u8 command_id;
419 	u8 command_length;
420 	u8 command_options;
421 	u8 checksum;
422 };
423 
424 #define E1000_HI_MAX_DATA_LENGTH	252
425 struct e1000_host_command_info {
426 	struct e1000_host_command_header command_header;
427 	u8 command_data[E1000_HI_MAX_DATA_LENGTH];
428 };
429 
430 /* Host Interface "Rev 2" */
431 struct e1000_host_mng_command_header {
432 	u8 command_id;
433 	u8 checksum;
434 	u16 reserved1;
435 	u16 reserved2;
436 	u16 command_length;
437 };
438 
439 #define E1000_HI_MAX_MNG_DATA_LENGTH	0x6F8
440 struct e1000_host_mng_command_info {
441 	struct e1000_host_mng_command_header command_header;
442 	u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
443 };
444 
445 #include "mac.h"
446 #include "phy.h"
447 #include "nvm.h"
448 #include "manage.h"
449 
450 /* Function pointers for the MAC. */
451 struct e1000_mac_operations {
452 	s32  (*id_led_init)(struct e1000_hw *);
453 	s32  (*blink_led)(struct e1000_hw *);
454 	bool (*check_mng_mode)(struct e1000_hw *);
455 	s32  (*check_for_link)(struct e1000_hw *);
456 	s32  (*cleanup_led)(struct e1000_hw *);
457 	void (*clear_hw_cntrs)(struct e1000_hw *);
458 	void (*clear_vfta)(struct e1000_hw *);
459 	s32  (*get_bus_info)(struct e1000_hw *);
460 	void (*set_lan_id)(struct e1000_hw *);
461 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
462 	s32  (*led_on)(struct e1000_hw *);
463 	s32  (*led_off)(struct e1000_hw *);
464 	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
465 	s32  (*reset_hw)(struct e1000_hw *);
466 	s32  (*init_hw)(struct e1000_hw *);
467 	s32  (*setup_link)(struct e1000_hw *);
468 	s32  (*setup_physical_interface)(struct e1000_hw *);
469 	s32  (*setup_led)(struct e1000_hw *);
470 	void (*write_vfta)(struct e1000_hw *, u32, u32);
471 	void (*config_collision_dist)(struct e1000_hw *);
472 	int  (*rar_set)(struct e1000_hw *, u8 *, u32);
473 	s32  (*read_mac_addr)(struct e1000_hw *);
474 	u32  (*rar_get_count)(struct e1000_hw *);
475 };
476 
477 /* When to use various PHY register access functions:
478  *
479  *                 Func   Caller
480  *   Function      Does   Does    When to use
481  *   ~~~~~~~~~~~~  ~~~~~  ~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
482  *   X_reg         L,P,A  n/a     for simple PHY reg accesses
483  *   X_reg_locked  P,A    L       for multiple accesses of different regs
484  *                                on different pages
485  *   X_reg_page    A      L,P     for multiple accesses of different regs
486  *                                on the same page
487  *
488  * Where X=[read|write], L=locking, P=sets page, A=register access
489  *
490  */
491 struct e1000_phy_operations {
492 	s32  (*acquire)(struct e1000_hw *);
493 	s32  (*cfg_on_link_up)(struct e1000_hw *);
494 	s32  (*check_polarity)(struct e1000_hw *);
495 	s32  (*check_reset_block)(struct e1000_hw *);
496 	s32  (*commit)(struct e1000_hw *);
497 	s32  (*force_speed_duplex)(struct e1000_hw *);
498 	s32  (*get_cfg_done)(struct e1000_hw *hw);
499 	s32  (*get_cable_length)(struct e1000_hw *);
500 	s32  (*get_info)(struct e1000_hw *);
501 	s32  (*set_page)(struct e1000_hw *, u16);
502 	s32  (*read_reg)(struct e1000_hw *, u32, u16 *);
503 	s32  (*read_reg_locked)(struct e1000_hw *, u32, u16 *);
504 	s32  (*read_reg_page)(struct e1000_hw *, u32, u16 *);
505 	void (*release)(struct e1000_hw *);
506 	s32  (*reset)(struct e1000_hw *);
507 	s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
508 	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
509 	s32  (*write_reg)(struct e1000_hw *, u32, u16);
510 	s32  (*write_reg_locked)(struct e1000_hw *, u32, u16);
511 	s32  (*write_reg_page)(struct e1000_hw *, u32, u16);
512 	void (*power_up)(struct e1000_hw *);
513 	void (*power_down)(struct e1000_hw *);
514 };
515 
516 /* Function pointers for the NVM. */
517 struct e1000_nvm_operations {
518 	s32  (*acquire)(struct e1000_hw *);
519 	s32  (*read)(struct e1000_hw *, u16, u16, u16 *);
520 	void (*release)(struct e1000_hw *);
521 	void (*reload)(struct e1000_hw *);
522 	s32  (*update)(struct e1000_hw *);
523 	s32  (*valid_led_default)(struct e1000_hw *, u16 *);
524 	s32  (*validate)(struct e1000_hw *);
525 	s32  (*write)(struct e1000_hw *, u16, u16, u16 *);
526 };
527 
528 struct e1000_mac_info {
529 	struct e1000_mac_operations ops;
530 	u8 addr[ETH_ALEN];
531 	u8 perm_addr[ETH_ALEN];
532 
533 	enum e1000_mac_type type;
534 
535 	u32 collision_delta;
536 	u32 ledctl_default;
537 	u32 ledctl_mode1;
538 	u32 ledctl_mode2;
539 	u32 mc_filter_type;
540 	u32 tx_packet_delta;
541 	u32 txcw;
542 
543 	u16 current_ifs_val;
544 	u16 ifs_max_val;
545 	u16 ifs_min_val;
546 	u16 ifs_ratio;
547 	u16 ifs_step_size;
548 	u16 mta_reg_count;
549 
550 	/* Maximum size of the MTA register table in all supported adapters */
551 #define MAX_MTA_REG 128
552 	u32 mta_shadow[MAX_MTA_REG];
553 	u16 rar_entry_count;
554 
555 	u8 forced_speed_duplex;
556 
557 	bool adaptive_ifs;
558 	bool has_fwsm;
559 	bool arc_subsystem_valid;
560 	bool autoneg;
561 	bool autoneg_failed;
562 	bool get_link_status;
563 	bool in_ifs_mode;
564 	bool serdes_has_link;
565 	bool tx_pkt_filtering;
566 	enum e1000_serdes_link_state serdes_link_state;
567 };
568 
569 struct e1000_phy_info {
570 	struct e1000_phy_operations ops;
571 
572 	enum e1000_phy_type type;
573 
574 	enum e1000_1000t_rx_status local_rx;
575 	enum e1000_1000t_rx_status remote_rx;
576 	enum e1000_ms_type ms_type;
577 	enum e1000_ms_type original_ms_type;
578 	enum e1000_rev_polarity cable_polarity;
579 	enum e1000_smart_speed smart_speed;
580 
581 	u32 addr;
582 	u32 id;
583 	u32 reset_delay_us;	/* in usec */
584 	u32 revision;
585 
586 	enum e1000_media_type media_type;
587 
588 	u16 autoneg_advertised;
589 	u16 autoneg_mask;
590 	u16 cable_length;
591 	u16 max_cable_length;
592 	u16 min_cable_length;
593 
594 	u8 mdix;
595 
596 	bool disable_polarity_correction;
597 	bool is_mdix;
598 	bool polarity_correction;
599 	bool speed_downgraded;
600 	bool autoneg_wait_to_complete;
601 };
602 
603 struct e1000_nvm_info {
604 	struct e1000_nvm_operations ops;
605 
606 	enum e1000_nvm_type type;
607 	enum e1000_nvm_override override;
608 
609 	u32 flash_bank_size;
610 	u32 flash_base_addr;
611 
612 	u16 word_size;
613 	u16 delay_usec;
614 	u16 address_bits;
615 	u16 opcode_bits;
616 	u16 page_size;
617 };
618 
619 struct e1000_bus_info {
620 	enum e1000_bus_width width;
621 
622 	u16 func;
623 };
624 
625 struct e1000_fc_info {
626 	u32 high_water;          /* Flow control high-water mark */
627 	u32 low_water;           /* Flow control low-water mark */
628 	u16 pause_time;          /* Flow control pause timer */
629 	u16 refresh_time;        /* Flow control refresh timer */
630 	bool send_xon;           /* Flow control send XON */
631 	bool strict_ieee;        /* Strict IEEE mode */
632 	enum e1000_fc_mode current_mode; /* FC mode in effect */
633 	enum e1000_fc_mode requested_mode; /* FC mode requested by caller */
634 };
635 
636 struct e1000_dev_spec_82571 {
637 	bool laa_is_present;
638 	u32 smb_counter;
639 };
640 
641 struct e1000_dev_spec_80003es2lan {
642 	bool mdic_wa_enable;
643 };
644 
645 struct e1000_shadow_ram {
646 	u16 value;
647 	bool modified;
648 };
649 
650 #define E1000_ICH8_SHADOW_RAM_WORDS		2048
651 
652 /* I218 PHY Ultra Low Power (ULP) states */
653 enum e1000_ulp_state {
654 	e1000_ulp_state_unknown,
655 	e1000_ulp_state_off,
656 	e1000_ulp_state_on,
657 };
658 
659 struct e1000_dev_spec_ich8lan {
660 	bool kmrn_lock_loss_workaround_enabled;
661 	struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS];
662 	bool nvm_k1_enabled;
663 	bool eee_disable;
664 	u16 eee_lp_ability;
665 	enum e1000_ulp_state ulp_state;
666 };
667 
668 struct e1000_hw {
669 	struct e1000_adapter *adapter;
670 
671 	void __iomem *hw_addr;
672 	void __iomem *flash_address;
673 
674 	struct e1000_mac_info mac;
675 	struct e1000_fc_info fc;
676 	struct e1000_phy_info phy;
677 	struct e1000_nvm_info nvm;
678 	struct e1000_bus_info bus;
679 	struct e1000_host_mng_dhcp_cookie mng_cookie;
680 
681 	union {
682 		struct e1000_dev_spec_82571 e82571;
683 		struct e1000_dev_spec_80003es2lan e80003es2lan;
684 		struct e1000_dev_spec_ich8lan ich8lan;
685 	} dev_spec;
686 };
687 
688 #include "82571.h"
689 #include "80003es2lan.h"
690 #include "ich8lan.h"
691 
692 #endif
693