1 /*
2  * This file is part of wl1271
3  *
4  * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
5  * Copyright (C) 2009 Nokia Corporation
6  *
7  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * version 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21  * 02110-1301 USA
22  *
23  */
24 
25 #ifndef __CMD_H__
26 #define __CMD_H__
27 
28 #include "wl12xx.h"
29 
30 struct acx_header;
31 
32 int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
33 		    size_t res_len);
34 int wl1271_cmd_general_parms(struct wl1271 *wl);
35 int wl1271_cmd_radio_parms(struct wl1271 *wl);
36 int wl1271_cmd_ext_radio_parms(struct wl1271 *wl);
37 int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type);
38 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer);
39 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len);
40 int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len);
41 int wl1271_cmd_data_path(struct wl1271 *wl, bool enable);
42 int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode);
43 int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
44 			   size_t len);
45 int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
46 			    void *buf, size_t buf_len, int index, u32 rates);
47 int wl1271_cmd_build_null_data(struct wl1271 *wl);
48 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
49 int wl1271_cmd_build_probe_req(struct wl1271 *wl,
50 			       const u8 *ssid, size_t ssid_len,
51 			       const u8 *ie, size_t ie_len, u8 band);
52 struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
53 					      struct sk_buff *skb);
54 int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr);
55 int wl1271_build_qos_null_data(struct wl1271 *wl);
56 int wl1271_cmd_build_klv_null_data(struct wl1271 *wl);
57 int wl1271_cmd_set_sta_default_wep_key(struct wl1271 *wl, u8 id);
58 int wl1271_cmd_set_ap_default_wep_key(struct wl1271 *wl, u8 id);
59 int wl1271_cmd_set_sta_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
60 			   u8 key_size, const u8 *key, const u8 *addr,
61 			   u32 tx_seq_32, u16 tx_seq_16);
62 int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
63 			  u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
64 			  u16 tx_seq_16);
65 int wl1271_cmd_disconnect(struct wl1271 *wl);
66 int wl1271_cmd_set_sta_state(struct wl1271 *wl);
67 int wl1271_cmd_start_bss(struct wl1271 *wl);
68 int wl1271_cmd_stop_bss(struct wl1271 *wl);
69 int wl1271_cmd_add_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid);
70 int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid);
71 
72 enum wl1271_commands {
73 	CMD_INTERROGATE     = 1,    /*use this to read information elements*/
74 	CMD_CONFIGURE       = 2,    /*use this to write information elements*/
75 	CMD_ENABLE_RX       = 3,
76 	CMD_ENABLE_TX       = 4,
77 	CMD_DISABLE_RX      = 5,
78 	CMD_DISABLE_TX      = 6,
79 	CMD_SCAN            = 8,
80 	CMD_STOP_SCAN       = 9,
81 	CMD_START_JOIN      = 11,
82 	CMD_SET_KEYS        = 12,
83 	CMD_READ_MEMORY     = 13,
84 	CMD_WRITE_MEMORY    = 14,
85 	CMD_SET_TEMPLATE    = 19,
86 	CMD_TEST            = 23,
87 	CMD_NOISE_HIST      = 28,
88 	CMD_LNA_CONTROL     = 32,
89 	CMD_SET_BCN_MODE    = 33,
90 	CMD_MEASUREMENT      = 34,
91 	CMD_STOP_MEASUREMENT = 35,
92 	CMD_DISCONNECT       = 36,
93 	CMD_SET_PS_MODE      = 37,
94 	CMD_CHANNEL_SWITCH   = 38,
95 	CMD_STOP_CHANNEL_SWICTH = 39,
96 	CMD_AP_DISCOVERY     = 40,
97 	CMD_STOP_AP_DISCOVERY = 41,
98 	CMD_SPS_SCAN = 42,
99 	CMD_STOP_SPS_SCAN = 43,
100 	CMD_HEALTH_CHECK     = 45,
101 	CMD_DEBUG            = 46,
102 	CMD_TRIGGER_SCAN_TO  = 47,
103 	CMD_CONNECTION_SCAN_CFG      = 48,
104 	CMD_CONNECTION_SCAN_SSID_CFG = 49,
105 	CMD_START_PERIODIC_SCAN      = 50,
106 	CMD_STOP_PERIODIC_SCAN       = 51,
107 	CMD_SET_STA_STATE            = 52,
108 
109 	/* AP mode commands */
110 	CMD_BSS_START                = 60,
111 	CMD_BSS_STOP                 = 61,
112 	CMD_ADD_STA                  = 62,
113 	CMD_REMOVE_STA               = 63,
114 
115 	NUM_COMMANDS,
116 	MAX_COMMAND_ID = 0xFFFF,
117 };
118 
119 #define MAX_CMD_PARAMS 572
120 
121 enum {
122 	CMD_TEMPL_KLV_IDX_NULL_DATA = 0,
123 	CMD_TEMPL_KLV_IDX_MAX = 4
124 };
125 
126 enum cmd_templ {
127 	CMD_TEMPL_NULL_DATA = 0,
128 	CMD_TEMPL_BEACON,
129 	CMD_TEMPL_CFG_PROBE_REQ_2_4,
130 	CMD_TEMPL_CFG_PROBE_REQ_5,
131 	CMD_TEMPL_PROBE_RESPONSE,
132 	CMD_TEMPL_QOS_NULL_DATA,
133 	CMD_TEMPL_PS_POLL,
134 	CMD_TEMPL_KLV,
135 	CMD_TEMPL_DISCONNECT,
136 	CMD_TEMPL_PROBE_REQ_2_4, /* for firmware internal use only */
137 	CMD_TEMPL_PROBE_REQ_5,   /* for firmware internal use only */
138 	CMD_TEMPL_BAR,           /* for firmware internal use only */
139 	CMD_TEMPL_CTS,           /*
140 				  * For CTS-to-self (FastCTS) mechanism
141 				  * for BT/WLAN coexistence (SoftGemini). */
142 	CMD_TEMPL_ARP_RSP,
143 	CMD_TEMPL_LINK_MEASUREMENT_REPORT,
144 
145 	/* AP-mode specific */
146 	CMD_TEMPL_AP_BEACON = 13,
147 	CMD_TEMPL_AP_PROBE_RESPONSE,
148 	CMD_TEMPL_AP_ARP_RSP,
149 	CMD_TEMPL_DEAUTH_AP,
150 
151 	CMD_TEMPL_MAX = 0xff
152 };
153 
154 /* unit ms */
155 #define WL1271_COMMAND_TIMEOUT     2000
156 #define WL1271_CMD_TEMPL_MAX_SIZE  252
157 #define WL1271_EVENT_TIMEOUT       750
158 
159 struct wl1271_cmd_header {
160 	__le16 id;
161 	__le16 status;
162 	/* payload */
163 	u8 data[0];
164 } __packed;
165 
166 #define WL1271_CMD_MAX_PARAMS 572
167 
168 struct wl1271_command {
169 	struct wl1271_cmd_header header;
170 	u8  parameters[WL1271_CMD_MAX_PARAMS];
171 } __packed;
172 
173 enum {
174 	CMD_MAILBOX_IDLE		=  0,
175 	CMD_STATUS_SUCCESS		=  1,
176 	CMD_STATUS_UNKNOWN_CMD		=  2,
177 	CMD_STATUS_UNKNOWN_IE		=  3,
178 	CMD_STATUS_REJECT_MEAS_SG_ACTIVE	= 11,
179 	CMD_STATUS_RX_BUSY		= 13,
180 	CMD_STATUS_INVALID_PARAM		= 14,
181 	CMD_STATUS_TEMPLATE_TOO_LARGE		= 15,
182 	CMD_STATUS_OUT_OF_MEMORY		= 16,
183 	CMD_STATUS_STA_TABLE_FULL		= 17,
184 	CMD_STATUS_RADIO_ERROR		= 18,
185 	CMD_STATUS_WRONG_NESTING		= 19,
186 	CMD_STATUS_TIMEOUT		= 21, /* Driver internal use.*/
187 	CMD_STATUS_FW_RESET		= 22, /* Driver internal use.*/
188 	MAX_COMMAND_STATUS		= 0xff
189 };
190 
191 #define CMDMBOX_HEADER_LEN 4
192 #define CMDMBOX_INFO_ELEM_HEADER_LEN 4
193 
194 enum {
195 	BSS_TYPE_IBSS = 0,
196 	BSS_TYPE_STA_BSS = 2,
197 	BSS_TYPE_AP_BSS = 3,
198 	MAX_BSS_TYPE = 0xFF
199 };
200 
201 #define WL1271_JOIN_CMD_CTRL_TX_FLUSH     0x80 /* Firmware flushes all Tx */
202 #define WL1271_JOIN_CMD_TX_SESSION_OFFSET 1
203 #define WL1271_JOIN_CMD_BSS_TYPE_5GHZ 0x10
204 
205 struct wl1271_cmd_join {
206 	struct wl1271_cmd_header header;
207 
208 	__le32 bssid_lsb;
209 	__le16 bssid_msb;
210 	__le16 beacon_interval; /* in TBTTs */
211 	__le32 rx_config_options;
212 	__le32 rx_filter_options;
213 
214 	/*
215 	 * The target uses this field to determine the rate at
216 	 * which to transmit control frame responses (such as
217 	 * ACK or CTS frames).
218 	 */
219 	__le32 basic_rate_set;
220 	__le32 supported_rate_set;
221 	u8 dtim_interval;
222 	/*
223 	 * bits 0-2: This bitwise field specifies the type
224 	 * of BSS to start or join (BSS_TYPE_*).
225 	 * bit 4: Band - The radio band in which to join
226 	 * or start.
227 	 *  0 - 2.4GHz band
228 	 *  1 - 5GHz band
229 	 * bits 3, 5-7: Reserved
230 	 */
231 	u8 bss_type;
232 	u8 channel;
233 	u8 ssid_len;
234 	u8 ssid[IW_ESSID_MAX_SIZE];
235 	u8 ctrl; /* JOIN_CMD_CTRL_* */
236 	u8 reserved[3];
237 } __packed;
238 
239 struct cmd_enabledisable_path {
240 	struct wl1271_cmd_header header;
241 
242 	u8 channel;
243 	u8 padding[3];
244 } __packed;
245 
246 #define WL1271_RATE_AUTOMATIC  0
247 
248 struct wl1271_cmd_template_set {
249 	struct wl1271_cmd_header header;
250 
251 	__le16 len;
252 	u8 template_type;
253 	u8 index;  /* relevant only for KLV_TEMPLATE type */
254 	__le32 enabled_rates;
255 	u8 short_retry_limit;
256 	u8 long_retry_limit;
257 	u8 aflags;
258 	u8 reserved;
259 	u8 template_data[WL1271_CMD_TEMPL_MAX_SIZE];
260 } __packed;
261 
262 #define TIM_ELE_ID    5
263 #define PARTIAL_VBM_MAX    251
264 
265 struct wl1271_tim {
266 	u8 identity;
267 	u8 length;
268 	u8 dtim_count;
269 	u8 dtim_period;
270 	u8 bitmap_ctrl;
271 	u8 pvb_field[PARTIAL_VBM_MAX]; /* Partial Virtual Bitmap */
272 } __packed;
273 
274 enum wl1271_cmd_ps_mode {
275 	STATION_ACTIVE_MODE,
276 	STATION_POWER_SAVE_MODE
277 };
278 
279 struct wl1271_cmd_ps_params {
280 	struct wl1271_cmd_header header;
281 
282 	u8 ps_mode; /* STATION_* */
283 	u8 padding[3];
284 } __packed;
285 
286 /* HW encryption keys */
287 #define NUM_ACCESS_CATEGORIES_COPY 4
288 
289 enum wl1271_cmd_key_action {
290 	KEY_ADD_OR_REPLACE = 1,
291 	KEY_REMOVE         = 2,
292 	KEY_SET_ID         = 3,
293 	MAX_KEY_ACTION     = 0xffff,
294 };
295 
296 enum wl1271_cmd_key_type {
297 	KEY_NONE = 0,
298 	KEY_WEP  = 1,
299 	KEY_TKIP = 2,
300 	KEY_AES  = 3,
301 	KEY_GEM  = 4,
302 };
303 
304 /* FIXME: Add description for key-types */
305 
306 struct wl1271_cmd_set_sta_keys {
307 	struct wl1271_cmd_header header;
308 
309 	/* Ignored for default WEP key */
310 	u8 addr[ETH_ALEN];
311 
312 	/* key_action_e */
313 	__le16 key_action;
314 
315 	__le16 reserved_1;
316 
317 	/* key size in bytes */
318 	u8 key_size;
319 
320 	/* key_type_e */
321 	u8 key_type;
322 	u8 ssid_profile;
323 
324 	/*
325 	 * TKIP, AES: frame's key id field.
326 	 * For WEP default key: key id;
327 	 */
328 	u8 id;
329 	u8 reserved_2[6];
330 	u8 key[MAX_KEY_SIZE];
331 	__le16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY];
332 	__le32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
333 } __packed;
334 
335 enum wl1271_cmd_lid_key_type {
336 	UNICAST_LID_TYPE     = 0,
337 	BROADCAST_LID_TYPE   = 1,
338 	WEP_DEFAULT_LID_TYPE = 2
339 };
340 
341 struct wl1271_cmd_set_ap_keys {
342 	struct wl1271_cmd_header header;
343 
344 	/*
345 	 * Indicates whether the HLID is a unicast key set
346 	 * or broadcast key set. A special value 0xFF is
347 	 * used to indicate that the HLID is on WEP-default
348 	 * (multi-hlids). of type wl1271_cmd_lid_key_type.
349 	 */
350 	u8 hlid;
351 
352 	/*
353 	 * In WEP-default network (hlid == 0xFF) used to
354 	 * indicate which network STA/IBSS/AP role should be
355 	 * changed
356 	 */
357 	u8 lid_key_type;
358 
359 	/*
360 	 * Key ID - For TKIP and AES key types, this field
361 	 * indicates the value that should be inserted into
362 	 * the KeyID field of frames transmitted using this
363 	 * key entry. For broadcast keys the index use as a
364 	 * marker for TX/RX key.
365 	 * For WEP default network (HLID=0xFF), this field
366 	 * indicates the ID of the key to add or remove.
367 	 */
368 	u8 key_id;
369 	u8 reserved_1;
370 
371 	/* key_action_e */
372 	__le16 key_action;
373 
374 	/* key size in bytes */
375 	u8 key_size;
376 
377 	/* key_type_e */
378 	u8 key_type;
379 
380 	/* This field holds the security key data to add to the STA table */
381 	u8 key[MAX_KEY_SIZE];
382 	__le16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY];
383 	__le32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
384 } __packed;
385 
386 struct wl1271_cmd_test_header {
387 	u8 id;
388 	u8 padding[3];
389 } __packed;
390 
391 enum wl1271_channel_tune_bands {
392 	WL1271_CHANNEL_TUNE_BAND_2_4,
393 	WL1271_CHANNEL_TUNE_BAND_5,
394 	WL1271_CHANNEL_TUNE_BAND_4_9
395 };
396 
397 #define WL1271_PD_REFERENCE_POINT_BAND_B_G  0
398 
399 #define TEST_CMD_INI_FILE_RADIO_PARAM       0x19
400 #define TEST_CMD_INI_FILE_GENERAL_PARAM     0x1E
401 #define TEST_CMD_INI_FILE_RF_EXTENDED_PARAM 0x26
402 
403 struct wl1271_general_parms_cmd {
404 	struct wl1271_cmd_header header;
405 
406 	struct wl1271_cmd_test_header test;
407 
408 	struct wl1271_ini_general_params general_params;
409 
410 	u8 sr_debug_table[WL1271_INI_MAX_SMART_REFLEX_PARAM];
411 	u8 sr_sen_n_p;
412 	u8 sr_sen_n_p_gain;
413 	u8 sr_sen_nrn;
414 	u8 sr_sen_prn;
415 	u8 padding[3];
416 } __packed;
417 
418 struct wl1271_radio_parms_cmd {
419 	struct wl1271_cmd_header header;
420 
421 	struct wl1271_cmd_test_header test;
422 
423 	/* Static radio parameters */
424 	struct wl1271_ini_band_params_2 static_params_2;
425 	struct wl1271_ini_band_params_5 static_params_5;
426 
427 	/* Dynamic radio parameters */
428 	struct wl1271_ini_fem_params_2 dyn_params_2;
429 	u8 padding2;
430 	struct wl1271_ini_fem_params_5 dyn_params_5;
431 	u8 padding3[2];
432 } __packed;
433 
434 struct wl1271_ext_radio_parms_cmd {
435 	struct wl1271_cmd_header header;
436 
437 	struct wl1271_cmd_test_header test;
438 
439 	u8 tx_per_channel_power_compensation_2[CONF_TX_PWR_COMPENSATION_LEN_2];
440 	u8 tx_per_channel_power_compensation_5[CONF_TX_PWR_COMPENSATION_LEN_5];
441 	u8 padding[3];
442 } __packed;
443 
444 /*
445  * There are three types of disconnections:
446  *
447  * DISCONNECT_IMMEDIATE: the fw doesn't send any frames
448  * DISCONNECT_DEAUTH:    the fw generates a DEAUTH request with the reason
449  *                       we have passed
450  * DISCONNECT_DISASSOC:  the fw generates a DESASSOC request with the reason
451  *                       we have passed
452  */
453 enum wl1271_disconnect_type {
454 	DISCONNECT_IMMEDIATE,
455 	DISCONNECT_DEAUTH,
456 	DISCONNECT_DISASSOC
457 };
458 
459 struct wl1271_cmd_disconnect {
460 	struct wl1271_cmd_header header;
461 
462 	__le32 rx_config_options;
463 	__le32 rx_filter_options;
464 
465 	__le16 reason;
466 	u8  type;
467 
468 	u8  padding;
469 } __packed;
470 
471 #define WL1271_CMD_STA_STATE_CONNECTED  1
472 
473 struct wl1271_cmd_set_sta_state {
474 	struct wl1271_cmd_header header;
475 
476 	u8 state;
477 	u8 padding[3];
478 } __packed;
479 
480 enum wl1271_ssid_type {
481 	SSID_TYPE_PUBLIC = 0,
482 	SSID_TYPE_HIDDEN = 1
483 };
484 
485 struct wl1271_cmd_bss_start {
486 	struct wl1271_cmd_header header;
487 
488 	/* wl1271_ssid_type */
489 	u8 ssid_type;
490 	u8 ssid_len;
491 	u8 ssid[IW_ESSID_MAX_SIZE];
492 	u8 padding_1[2];
493 
494 	/* Basic rate set */
495 	__le32 basic_rate_set;
496 	/* Aging period in seconds*/
497 	__le16 aging_period;
498 
499 	/*
500 	 * This field specifies the time between target beacon
501 	 * transmission times (TBTTs), in time units (TUs).
502 	 * Valid values are 1 to 1024.
503 	 */
504 	__le16 beacon_interval;
505 	u8 bssid[ETH_ALEN];
506 	u8 bss_index;
507 	/* Radio band */
508 	u8 band;
509 	u8 channel;
510 	/* The host link id for the AP's global queue */
511 	u8 global_hlid;
512 	/* The host link id for the AP's broadcast queue */
513 	u8 broadcast_hlid;
514 	/* DTIM count */
515 	u8 dtim_interval;
516 	/* Beacon expiry time in ms */
517 	u8 beacon_expiry;
518 	u8 padding_2[3];
519 } __packed;
520 
521 struct wl1271_cmd_add_sta {
522 	struct wl1271_cmd_header header;
523 
524 	u8 addr[ETH_ALEN];
525 	u8 hlid;
526 	u8 aid;
527 	u8 psd_type[NUM_ACCESS_CATEGORIES_COPY];
528 	__le32 supported_rates;
529 	u8 bss_index;
530 	u8 sp_len;
531 	u8 wmm;
532 	u8 padding1;
533 } __packed;
534 
535 struct wl1271_cmd_remove_sta {
536 	struct wl1271_cmd_header header;
537 
538 	u8 hlid;
539 	u8 reason_opcode;
540 	u8 send_deauth_flag;
541 	u8 padding1;
542 } __packed;
543 
544 #endif /* __WL1271_CMD_H__ */
545