xref: /dragonfly/sys/dev/netif/iwi/if_iwireg.h (revision 49781055)
1 /*
2  * Copyright (c) 2004, 2005
3  *      Damien Bergamini <damien.bergamini@free.fr>.
4  * Copyright (c) 2004, 2005
5  *	Andrew Atrens <atrens@nortelnetworks.com>.
6  *
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice unmodified, this list of conditions, and the following
14  *    disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $DragonFly: src/sys/dev/netif/iwi/if_iwireg.h,v 1.1 2005/03/06 05:02:02 dillon Exp $
32  */
33 
34 #define IWI_TX_RING_SIZE	64
35 #define IWI_CMD_RING_SIZE	16
36 #define IWI_RX_RING_SIZE	32
37 
38 #define IWI_CSR_INTR		0x0008
39 #define IWI_CSR_INTR_MASK	0x000c
40 #define IWI_CSR_INDIRECT_ADDR	0x0010
41 #define IWI_CSR_INDIRECT_DATA	0x0014
42 #define IWI_CSR_AUTOINC_ADDR	0x0018
43 #define IWI_CSR_AUTOINC_DATA	0x001c
44 #define IWI_CSR_RST		0x0020
45 #define IWI_CSR_CTL		0x0024
46 #define IWI_CSR_IO		0x0030
47 #define IWI_CSR_CMD_BASE	0x0200
48 #define IWI_CSR_CMD_SIZE	0x0204
49 #define IWI_CSR_TX1_BASE	0x0208
50 #define IWI_CSR_TX1_SIZE	0x020c
51 #define IWI_CSR_TX2_BASE	0x0210
52 #define IWI_CSR_TX2_SIZE	0x0214
53 #define IWI_CSR_TX3_BASE	0x0218
54 #define IWI_CSR_TX3_SIZE	0x021c
55 #define IWI_CSR_TX4_BASE	0x0220
56 #define IWI_CSR_TX4_SIZE	0x0224
57 #define IWI_CSR_CMD_READ_INDEX	0x0280
58 #define IWI_CSR_TX1_READ_INDEX	0x0284
59 #define IWI_CSR_TX2_READ_INDEX	0x0288
60 #define IWI_CSR_TX3_READ_INDEX	0x028c
61 #define IWI_CSR_TX4_READ_INDEX	0x0290
62 #define IWI_CSR_RX_READ_INDEX	0x02a0
63 #define IWI_CSR_RX_BASE		0x0500
64 #define IWI_CSR_TABLE0_SIZE	0x0700
65 #define IWI_CSR_TABLE0_BASE	0x0704
66 #define IWI_CSR_CURRENT_TX_RATE	IWI_CSR_TABLE0_BASE
67 
68 #define IWI_CSR_GET_TABLE0_BASE 0x0380
69 #define IWI_CSR_GET_TABLE1_BASE 0x0384
70 #define IWI_CSR_GET_TABLE2_BASE 0x0388
71 #define IWI_CSR_GET_TABLE3_BASE 0x038C
72 
73 #define IWI_CSR_CMD_WRITE_INDEX	0x0f80
74 #define IWI_CSR_TX1_WRITE_INDEX	0x0f84
75 #define IWI_CSR_TX2_WRITE_INDEX	0x0f88
76 #define IWI_CSR_TX3_WRITE_INDEX	0x0f8c
77 #define IWI_CSR_TX4_WRITE_INDEX	0x0f90
78 #define IWI_CSR_RX_WRITE_INDEX	0x0fa0
79 #define IWI_CSR_READ_INT	0x0ff4
80 
81 #define IWI_STATION_TABLE       0x0c0c
82 
83 #define IWI_FW_ERROR_LOG        0x0610
84 #define IWI_FW_EVENT_LOG        0x0614
85 
86 
87 /* possible flags for IWI_CSR_INTR */
88 #define IWI_INTR_RX_TRANSFER	0x00000002
89 #define IWI_INTR_STATUS_CHG     0x00000010
90 #define IWI_INTR_BEACON_EXP     0x00000020
91 #define IWI_INTR_CMD_TRANSFER	0x00000800
92 #define IWI_INTR_TX1_TRANSFER	0x00001000
93 #define IWI_INTR_TX2_TRANSFER	0x00002000
94 #define IWI_INTR_TX3_TRANSFER	0x00004000
95 #define IWI_INTR_TX4_TRANSFER	0x00008000
96 #define IWI_INTR_SLMODE_CDONE   0x00010000
97 #define IWI_INTR_PREP_PWDOWN    0x00100000
98 #define IWI_INTR_PWDOWN         0x00200000
99 #define IWI_INTR_FW_INITED	0x01000000
100 #define IWI_INTR_DIS_PHY_DONE   0x02000000
101 #define IWI_INTR_RADIO_OFF      0x04000000
102 #define IWI_INTR_FATAL_ERROR	0x40000000
103 #define IWI_INTR_PARITY_ERROR	0x80000000
104 
105 #define IWI_HANDLED_INTR_MASK						\
106 	(IWI_INTR_RX_TRANSFER |	IWI_INTR_CMD_TRANSFER |			\
107 	 IWI_INTR_TX1_TRANSFER | IWI_INTR_TX2_TRANSFER |		\
108 	 IWI_INTR_TX3_TRANSFER | IWI_INTR_TX4_TRANSFER |		\
109 	 IWI_INTR_FW_INITED | IWI_INTR_FATAL_ERROR |			\
110 	 IWI_INTR_RADIO_OFF | IWI_INTR_PARITY_ERROR)
111 
112 #define IWI_INTR_MASK							\
113 	(IWI_INTR_RX_TRANSFER |	IWI_INTR_CMD_TRANSFER |			\
114 	 IWI_INTR_TX1_TRANSFER | IWI_INTR_TX2_TRANSFER |		\
115 	 IWI_INTR_TX3_TRANSFER | IWI_INTR_TX4_TRANSFER |		\
116 	 IWI_INTR_FW_INITED | IWI_INTR_FATAL_ERROR |			\
117 	 IWI_INTR_PARITY_ERROR | IWI_INTR_STATUS_CHG |                  \
118 	 IWI_INTR_BEACON_EXP | IWI_INTR_SLMODE_CDONE |                  \
119 	 IWI_INTR_PREP_PWDOWN | IWI_INTR_PWDOWN |                       \
120 	 IWI_INTR_DIS_PHY_DONE | IWI_INTR_RADIO_OFF)
121 
122 /* possible flags for register IWI_CSR_RST */
123 #define IWI_RST_PRINCETON_RESET	0x00000001
124 #define IWI_RST_SW_RESET	0x00000080
125 #define IWI_RST_MASTER_DISABLED	0x00000100
126 #define IWI_RST_STOP_MASTER	0x00000200
127 
128 /* possible flags for register IWI_CSR_CTL */
129 #define IWI_CTL_CLOCK_READY	0x00000001
130 #define IWI_CTL_ALLOW_STANDBY	0x00000002
131 #define IWI_CTL_INIT		0x00000004
132 
133 /* possible flags for register IWI_CSR_IO */
134 #define IWI_IO_RADIO_ENABLED	0x00010000
135 
136 /* possible flags for IWI_CSR_READ_INT */
137 #define IWI_READ_INT_INIT_HOST	0x20000000
138 
139 /* table2 offsets */
140 #define IWI_INFO_ADAPTER_MAC	40
141 
142 /* constants for command blocks */
143 #define IWI_CB_DEFAULT_CTL	0x8cea0000
144 #define IWI_CB_MAXDATALEN	8191
145 
146 /* supported rates */
147 #define IWI_RATE_DS1	10
148 #define IWI_RATE_DS2	20
149 #define IWI_RATE_DS5	55
150 #define IWI_RATE_DS11	110
151 #define IWI_RATE_OFDM6	13
152 #define IWI_RATE_OFDM9	15
153 #define IWI_RATE_OFDM12	5
154 #define IWI_RATE_OFDM18	7
155 #define IWI_RATE_OFDM24	9
156 #define IWI_RATE_OFDM36	11
157 #define IWI_RATE_OFDM48	1
158 #define IWI_RATE_OFDM54	3
159 
160 struct iwi_hdr {
161 	u_int8_t	type;
162 #define IWI_HDR_TYPE_DATA	0
163 #define IWI_HDR_TYPE_COMMAND	1
164 #define IWI_HDR_TYPE_NOTIF	3
165 #define IWI_HDR_TYPE_FRAME	9
166 	u_int8_t	seq;
167 	u_int8_t	flags;
168 #define IWI_HDR_FLAG_IRQ	0x04
169 	u_int8_t	reserved;
170 } __packed;
171 
172 struct iwi_notif {
173 	u_int32_t	reserved[2];
174 	u_int8_t	type;
175 #define IWI_NOTIF_TYPE_ASSOCIATION	10
176 #define IWI_NOTIF_TYPE_AUTHENTICATION	11
177 #define IWI_NOTIF_TYPE_SCAN_CHANNEL	12
178 #define IWI_NOTIF_TYPE_SCAN_COMPLETE	13
179 #define IWI_NOTIF_TYPE_BEACON		17
180 #define IWI_NOTIF_TYPE_CALIBRATION	20
181 #define IWI_NOTIF_TYPE_NOISE		25
182 	u_int8_t	flags;
183 	u_int16_t	len;
184 } __packed;
185 
186 /* structure for notification IWI_NOTIF_TYPE_NOISE */
187 struct iwi_notif_noise {
188 	u_int32_t	value;
189 } __packed;
190 
191 /* structure for notification IWI_NOTIF_TYPE_AUTHENTICATION */
192 struct iwi_notif_authentication {
193 	u_int8_t	state;
194 #define IWI_DEAUTHENTICATED	0
195 #define IWI_AUTHENTICATED	9
196 } __packed;
197 
198 /* structure for notification IWI_NOTIF_TYPE_ASSOCIATION */
199 struct iwi_notif_association {
200 	u_int8_t		state;
201 #define IWI_DEASSOCIATED	0
202 #define IWI_ASSOCIATED		12
203 	struct ieee80211_frame	frame;
204 	u_int16_t		capinfo;
205 	u_int16_t		status;
206 	u_int16_t		associd;
207 } __packed;
208 
209 /* structure for notification IWI_NOTIF_TYPE_SCAN_CHANNEL */
210 struct iwi_notif_scan_channel {
211 	u_int8_t	nchan;
212 	u_int8_t	reserved[47];
213 } __packed;
214 
215 /* structure for notification IWI_NOTIF_TYPE_SCAN_COMPLETE */
216 struct iwi_notif_scan_complete {
217 	u_int8_t	type;
218 	u_int8_t	nchan;
219 	u_int8_t	status;
220 	u_int8_t	reserved;
221 } __packed;
222 
223 /* received frame header */
224 struct iwi_frame {
225 	u_int32_t	reserved1;
226 	u_int8_t        parent_tsf[4];
227 	u_int8_t	chan;
228 	u_int8_t	status;
229 	u_int8_t	rate;
230 	u_int8_t	rssi;	/* receiver signal strength indicator */
231 	u_int8_t	agc;	/* automatic gain control */
232 	u_int8_t	rssi_dbm;
233 	u_int16_t	signal;
234 	u_int16_t	noise;
235 	u_int8_t	antenna;
236 	u_int8_t	control;
237 	u_int8_t        rtscts_rate;
238 	u_int8_t        rtscts_seen;
239 	u_int16_t       len;
240 } __packed;
241 
242 /* header for transmission */
243 struct iwi_tx_desc {
244 	struct iwi_hdr	hdr;
245 	u_int32_t	work_area_ptr;
246 	u_int8_t	station_number; /* 0 for BSS */
247 	u_int8_t	reserved1[3];
248 	u_int8_t	cmd;
249 #define IWI_DATA_CMD_TX	0x0b
250 	u_int8_t	seq;
251 	u_int16_t	len;
252 	u_int8_t	priority;
253 	u_int8_t	flags;
254 #define IWI_DATA_FLAG_SHPREAMBLE	0x04
255 #define IWI_DATA_FLAG_NO_WEP		0x20
256 #define IWI_DATA_FLAG_NEED_ACK		0x80
257 	u_int8_t	xflags;
258 	u_int8_t	wep_txkey;
259 	u_int8_t	wepkey[IEEE80211_KEYBUF_SIZE];
260 	u_int8_t	rate;
261 	u_int8_t	antenna;
262 	u_int8_t	reserved2[10];
263 
264 	struct ieee80211_qosframe_addr4	wh;
265 	u_int32_t	iv[2];
266 
267 	u_int32_t	nseg;
268 #define IWI_MAX_NSEG	6
269 	u_int32_t	seg_addr[IWI_MAX_NSEG];
270 	u_int16_t	seg_len[IWI_MAX_NSEG];
271 } __packed;
272 
273 /* command */
274 struct iwi_cmd_desc {
275 	struct iwi_hdr	hdr;
276 	u_int8_t	type;
277 #define IWI_CMD_ENABLE				2
278 #define IWI_CMD_SET_CONFIGURATION		6
279 #define IWI_CMD_SET_ESSID			8
280 #define IWI_CMD_SET_MAC_ADDRESS			11
281 #define IWI_CMD_SET_RTS_THRESHOLD		15
282 #define IWI_CMD_SET_POWER_MODE			17
283 #define IWI_CMD_SET_WEP_KEY			18
284 #define IWI_CMD_SCAN				20
285 #define IWI_CMD_ASSOCIATE			21
286 #define IWI_CMD_SET_RATES			22
287 #define IWI_CMD_SCAN_ABORT			23
288 #define IWI_CMD_DISABLE				33
289 #define IWI_CMD_SET_IV				34
290 #define IWI_CMD_SET_TX_POWER			35
291 #define IWI_CMD_SET_SENSITIVITY			42
292 	u_int8_t	len;
293 	u_int16_t	reserved;
294 	u_int8_t	data[120];
295 } __packed;
296 
297 /* constants for 'mode' fields */
298 #define IWI_MODE_11A	0
299 #define IWI_MODE_11B	1
300 #define IWI_MODE_11G	2
301 
302 /* macro for command IWI_CMD_SET_SENSITIVITY */
303 #define IWI_RSSIDBM2RAW(rssi)	((rssi) - 112)
304 
305 /* possible values for command IWI_CMD_SET_POWER_MODE */
306 #define IWI_POWER_MODE_CAM	0
307 
308 /* structure for command IWI_CMD_SET_RATES */
309 struct iwi_rateset {
310 	u_int8_t	mode;
311 	u_int8_t	nrates;
312 	u_int8_t	type;
313 #define IWI_RATESET_TYPE_NEGOTIATED	0
314 #define IWI_RATESET_TYPE_SUPPORTED	1
315 	u_int8_t	reserved;
316 	u_int8_t	rates[12];
317 } __packed;
318 
319 /* structure for command IWI_CMD_SET_TX_POWER */
320 struct iwi_txpower {
321 	u_int8_t	nchan;
322 	u_int8_t	mode;
323 	struct {
324 		u_int8_t	chan;
325 		u_int8_t	power;
326 #define IWI_TXPOWER_MAX		20
327 #define IWI_TXPOWER_RATIO	(IEEE80211_TXPOWER_MAX / IWI_TXPOWER_MAX)
328 	} __packed chan[37];
329 } __packed;
330 
331 /* structure for command IWI_CMD_ASSOCIATE */
332 struct iwi_associate {
333 	u_int8_t	chan;
334 	u_int8_t	auth;
335 #define IWI_AUTH_OPEN	0
336 #define IWI_AUTH_SHARED	1
337 #define IWI_AUTH_NONE	3
338 	u_int8_t	type;
339 	u_int8_t	reserved;
340 	u_int16_t	policy_support;
341 	u_int8_t	plen;
342 	u_int8_t	mode;
343 	u_int8_t	bssid[IEEE80211_ADDR_LEN];
344 	u_int8_t	tstamp[8];
345 	u_int16_t	capinfo;
346 	u_int16_t	lintval;
347 	u_int16_t	intval;
348 	u_int8_t	dst[IEEE80211_ADDR_LEN];
349 	u_int16_t       atim_window;
350 	u_int8_t        smr;
351 	u_int8_t        reserved1;
352 	u_int16_t       reserved2;
353 } __packed;
354 
355 /* structure for command IWI_CMD_SCAN */
356 struct iwi_scan {
357 	u_int8_t	type;
358 #define IWI_SCAN_PASSIVE_TILL_FIRST_BEACON 	0
359 #define IWI_SCAN_PASSIVE_FULL_DWELL 		1
360 #define IWI_SCAN_TYPE_DIRECT			2
361 #define IWI_SCAN_TYPE_BROADCAST			3
362 #define IWI_SCAN_TYPE_BROADCAST_AND_DIRECT	4
363 	u_int16_t	intval;
364 	u_int8_t	channels[54];
365 #define IWI_CHAN_5GHZ	(0 << 6)
366 #define IWI_CHAN_2GHZ	(1 << 6)
367 	u_int8_t	reserved[3];
368 } __packed;
369 
370 /* structure for command IWI_CMD_SET_CONFIGURATION */
371 struct iwi_configuration {
372 	u_int8_t	bluetooth_coexistence;
373 	u_int8_t	reserved1;
374 	u_int8_t	answer_broadcast_probe_req;
375 	u_int8_t	allow_invalid_frames;
376 	u_int8_t	enable_multicast;
377 	u_int8_t	exclude_unicast_unencrypted;
378 	u_int8_t	disable_unicast_decryption;
379 	u_int8_t	exclude_multicast_unencrypted;
380 	u_int8_t	disable_multicast_decryption;
381 	u_int8_t	antenna_diversity;
382 	u_int8_t	pass_crc_to_host;
383 	u_int8_t	bg_autodetect;
384 	u_int8_t	enable_cts_to_self;
385 	u_int8_t	enable_multicast_filtering;
386 	u_int8_t	bluetooth_threshold;
387 	u_int8_t	reserved2;
388 	u_int8_t	allow_beacon_and_probe_resp;
389 	u_int8_t	allow_mgt;
390 	u_int8_t	noise_reported;
391 	u_int8_t	reserved3;
392 } __packed;
393 
394 /* structure for command IWI_CMD_SET_WEP_KEY */
395 struct iwi_wep_key {
396 	u_int8_t	cmd;
397 #define IWI_WEP_KEY_CMD_SETKEY	0x08
398 	u_int8_t	seq;
399 	u_int8_t	idx;
400 	u_int8_t	len;
401 	u_int8_t	key[IEEE80211_KEYBUF_SIZE];
402 } __packed;
403 
404 /* EEPROM = Electrically Erasable Programmable Read-Only Memory */
405 
406 #define IWI_MEM_EEPROM_CTL	0x00300040
407 
408 #define IWI_EEPROM_MAC	0x21
409 
410 #define IWI_EEPROM_DELAY	1	/* minimum hold time (microsecond) */
411 
412 #define IWI_EEPROM_C       (1 << 0)        /* Serial Clock */
413 #define IWI_EEPROM_S       (1 << 1)        /* Chip Select */
414 #define IWI_EEPROM_D       (1 << 2)        /* Serial data input */
415 #define IWI_EEPROM_Q       (1 << 4)        /* Serial data output */
416 
417 #define IWI_EEPROM_SHIFT_D    2
418 #define IWI_EEPROM_SHIFT_Q    4
419 
420 /*
421  * control and status registers access macros
422  */
423 #define CSR_READ_1(sc, reg)						\
424 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
425 
426 #define CSR_READ_2(sc, reg)						\
427 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
428 
429 #define CSR_READ_4(sc, reg)						\
430 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
431 
432 #define CSR_READ_REGION_4(sc, offset, datap, count)			\
433 	bus_space_read_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
434 	    (datap), (count))
435 
436 #define CSR_WRITE_1(sc, reg, val)					\
437 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
438 
439 #define CSR_WRITE_2(sc, reg, val)					\
440 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
441 
442 #define CSR_WRITE_4(sc, reg, val)					\
443 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
444 
445 /*
446  * indirect memory space access macros
447  */
448 #define MEM_WRITE_1(sc, addr, val) do {					\
449 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
450 	CSR_WRITE_1((sc), IWI_CSR_INDIRECT_DATA, (val));		\
451 } while (/* CONSTCOND */0)
452 
453 #define MEM_WRITE_2(sc, addr, val) do {					\
454 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
455 	CSR_WRITE_2((sc), IWI_CSR_INDIRECT_DATA, (val));		\
456 } while (/* CONSTCOND */0)
457 
458 #define MEM_WRITE_4(sc, addr, val) do {					\
459 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
460 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_DATA, (val));		\
461 } while (/* CONSTCOND */0)
462 
463 #define MEM_WRITE_MULTI_1(sc, addr, buf, len) do {			\
464 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
465 	CSR_WRITE_MULTI_1((sc), IWI_CSR_INDIRECT_DATA, (buf), (len));	\
466 } while (/* CONSTCOND */0)
467 
468 
469 #define IWI_FW_ERROR_OK  			0
470 #define IWI_FW_ERROR_FAIL			1
471 #define IWI_FW_ERROR_MEMORY_UNDERFLOW		2
472 #define IWI_FW_ERROR_MEMORY_OVERFLOW		3
473 #define IWI_FW_ERROR_BAD_PARAM			4
474 #define IWI_FW_ERROR_BAD_CHECKSUM		5
475 #define IWI_FW_ERROR_NMI_INTERRUPT		6
476 #define IWI_FW_ERROR_BAD_DATABASE		7
477 #define IWI_FW_ERROR_ALLOC_FAIL			8
478 #define IWI_FW_ERROR_DMA_UNDERRUN		9
479 #define IWI_FW_ERROR_DMA_STATUS			10
480 #define IWI_FW_ERROR_DINOSTATUS_ERROR		11
481 #define IWI_FW_ERROR_EEPROMSTATUS_ERROR		12
482 #define IWI_FW_ERROR_SYSASSERT			13
483 #define IWI_FW_ERROR_FATAL_ERROR		14
484 
485 
486 #define IWI_FW_EVENT_ELEM_SIZE		(3 * sizeof(u_int32_t))
487 #define IWI_FW_EVENT_START_OFFSET       (sizeof(u_int32_t) + 2 * sizeof(u_int16_t))
488 #define IWI_FW_ERROR_ELEM_SIZE		(7 * sizeof(u_int32_t))
489 #define IWI_FW_ERROR_START_OFFSET	(1 * sizeof(u_int32_t))
490 
491 
492 #define IWI_FW_MAX_STATIONS 32
493 
494 struct iwi_fw_station {
495 	u_int8_t mac[ETHER_ADDR_LEN];
496 	u_int8_t reserved;
497 	u_int8_t support_mode;
498 } __packed;
499 
500 
501 
502 /*
503  * EEPROM access macro
504  */
505 #define IWI_EEPROM_CTL(sc, val) do {					\
506 	MEM_WRITE_4((sc), IWI_MEM_EEPROM_CTL, (val));			\
507 	DELAY(IWI_EEPROM_DELAY);					\
508 } while (/* CONSTCOND */0)
509