xref: /openbmc/linux/drivers/net/wireless/ti/wl1251/cmd.h (revision 82e6fdd6)
1 /*
2  * This file is part of wl1251
3  *
4  * Copyright (c) 1998-2007 Texas Instruments Incorporated
5  * Copyright (C) 2008 Nokia Corporation
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * version 2 as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19  * 02110-1301 USA
20  *
21  */
22 
23 #ifndef __WL1251_CMD_H__
24 #define __WL1251_CMD_H__
25 
26 #include "wl1251.h"
27 
28 #include <net/cfg80211.h>
29 
30 struct acx_header;
31 
32 int wl1251_cmd_send(struct wl1251 *wl, u16 type, void *buf, size_t buf_len);
33 int wl1251_cmd_test(struct wl1251 *wl, void *buf, size_t buf_len, u8 answer);
34 int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len);
35 int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len);
36 int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity,
37 		   void *bitmap, u16 bitmap_len, u8 bitmap_control);
38 int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable);
39 int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable);
40 int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel,
41 		    u16 beacon_interval, u8 dtim_interval);
42 int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode);
43 int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer,
44 			   size_t len);
45 int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id,
46 			    void *buf, size_t buf_len);
47 int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len,
48 		    struct ieee80211_channel *channels[],
49 		    unsigned int n_channels, unsigned int n_probes);
50 int wl1251_cmd_trigger_scan_to(struct wl1251 *wl, u32 timeout);
51 
52 /* unit ms */
53 #define WL1251_COMMAND_TIMEOUT 2000
54 
55 enum wl1251_commands {
56 	CMD_RESET           = 0,
57 	CMD_INTERROGATE     = 1,    /*use this to read information elements*/
58 	CMD_CONFIGURE       = 2,    /*use this to write information elements*/
59 	CMD_ENABLE_RX       = 3,
60 	CMD_ENABLE_TX       = 4,
61 	CMD_DISABLE_RX      = 5,
62 	CMD_DISABLE_TX      = 6,
63 	CMD_SCAN            = 8,
64 	CMD_STOP_SCAN       = 9,
65 	CMD_VBM             = 10,
66 	CMD_START_JOIN      = 11,
67 	CMD_SET_KEYS        = 12,
68 	CMD_READ_MEMORY     = 13,
69 	CMD_WRITE_MEMORY    = 14,
70 	CMD_BEACON          = 19,
71 	CMD_PROBE_RESP      = 20,
72 	CMD_NULL_DATA       = 21,
73 	CMD_PROBE_REQ       = 22,
74 	CMD_TEST            = 23,
75 	CMD_RADIO_CALIBRATE     = 25,   /* OBSOLETE */
76 	CMD_ENABLE_RX_PATH      = 27,   /* OBSOLETE */
77 	CMD_NOISE_HIST      = 28,
78 	CMD_RX_RESET        = 29,
79 	CMD_PS_POLL         = 30,
80 	CMD_QOS_NULL_DATA   = 31,
81 	CMD_LNA_CONTROL     = 32,
82 	CMD_SET_BCN_MODE    = 33,
83 	CMD_MEASUREMENT      = 34,
84 	CMD_STOP_MEASUREMENT = 35,
85 	CMD_DISCONNECT       = 36,
86 	CMD_SET_PS_MODE      = 37,
87 	CMD_CHANNEL_SWITCH   = 38,
88 	CMD_STOP_CHANNEL_SWICTH = 39,
89 	CMD_AP_DISCOVERY     = 40,
90 	CMD_STOP_AP_DISCOVERY = 41,
91 	CMD_SPS_SCAN = 42,
92 	CMD_STOP_SPS_SCAN = 43,
93 	CMD_HEALTH_CHECK     = 45,
94 	CMD_DEBUG            = 46,
95 	CMD_TRIGGER_SCAN_TO  = 47,
96 
97 	NUM_COMMANDS,
98 	MAX_COMMAND_ID = 0xFFFF,
99 };
100 
101 #define MAX_CMD_PARAMS 572
102 
103 struct wl1251_cmd_header {
104 	u16 id;
105 	u16 status;
106 	/* payload */
107 	u8 data[0];
108 } __packed;
109 
110 struct  wl1251_command {
111 	struct wl1251_cmd_header header;
112 	u8  parameters[MAX_CMD_PARAMS];
113 } __packed;
114 
115 enum {
116 	CMD_MAILBOX_IDLE              		=  0,
117 	CMD_STATUS_SUCCESS            		=  1,
118 	CMD_STATUS_UNKNOWN_CMD        		=  2,
119 	CMD_STATUS_UNKNOWN_IE         		=  3,
120 	CMD_STATUS_REJECT_MEAS_SG_ACTIVE 	= 11,
121 	CMD_STATUS_RX_BUSY            		= 13,
122 	CMD_STATUS_INVALID_PARAM      		= 14,
123 	CMD_STATUS_TEMPLATE_TOO_LARGE 		= 15,
124 	CMD_STATUS_OUT_OF_MEMORY      		= 16,
125 	CMD_STATUS_STA_TABLE_FULL     		= 17,
126 	CMD_STATUS_RADIO_ERROR        		= 18,
127 	CMD_STATUS_WRONG_NESTING      		= 19,
128 	CMD_STATUS_TIMEOUT            		= 21, /* Driver internal use.*/
129 	CMD_STATUS_FW_RESET           		= 22, /* Driver internal use.*/
130 	MAX_COMMAND_STATUS            		= 0xff
131 };
132 
133 
134 /*
135  * CMD_READ_MEMORY
136  *
137  * The host issues this command to read the WiLink device memory/registers.
138  *
139  * Note: The Base Band address has special handling (16 bits registers and
140  * addresses). For more information, see the hardware specification.
141  */
142 /*
143  * CMD_WRITE_MEMORY
144  *
145  * The host issues this command to write the WiLink device memory/registers.
146  *
147  * The Base Band address has special handling (16 bits registers and
148  * addresses). For more information, see the hardware specification.
149  */
150 #define MAX_READ_SIZE 256
151 
152 struct cmd_read_write_memory {
153 	struct wl1251_cmd_header header;
154 
155 	/* The address of the memory to read from or write to.*/
156 	u32 addr;
157 
158 	/* The amount of data in bytes to read from or write to the WiLink
159 	 * device.*/
160 	u32 size;
161 
162 	/* The actual value read from or written to the Wilink. The source
163 	   of this field is the Host in WRITE command or the Wilink in READ
164 	   command. */
165 	u8 value[MAX_READ_SIZE];
166 } __packed;
167 
168 #define CMDMBOX_HEADER_LEN 4
169 #define CMDMBOX_INFO_ELEM_HEADER_LEN 4
170 
171 #define WL1251_SCAN_OPT_PASSIVE		1
172 #define WL1251_SCAN_OPT_5GHZ_BAND	2
173 #define WL1251_SCAN_OPT_TRIGGERD_SCAN	4
174 #define WL1251_SCAN_OPT_PRIORITY_HIGH	8
175 
176 #define WL1251_SCAN_MIN_DURATION 30000
177 #define WL1251_SCAN_MAX_DURATION 60000
178 
179 #define WL1251_SCAN_NUM_PROBES 3
180 
181 struct wl1251_scan_parameters {
182 	__le32 rx_config_options;
183 	__le32 rx_filter_options;
184 
185 	/*
186 	 * Scan options:
187 	 * bit 0: When this bit is set, passive scan.
188 	 * bit 1: Band, when this bit is set we scan
189 	 * in the 5Ghz band.
190 	 * bit 2: voice mode, 0 for normal scan.
191 	 * bit 3: scan priority, 1 for high priority.
192 	 */
193 	__le16 scan_options;
194 
195 	/* Number of channels to scan */
196 	u8 num_channels;
197 
198 	/* Number opf probe requests to send, per channel */
199 	u8 num_probe_requests;
200 
201 	/* Rate and modulation for probe requests */
202 	__le16 tx_rate;
203 
204 	u8 tid_trigger;
205 	u8 ssid_len;
206 	u8 ssid[32];
207 
208 } __packed;
209 
210 struct wl1251_scan_ch_parameters {
211 	__le32 min_duration; /* in TU */
212 	__le32 max_duration; /* in TU */
213 	u32 bssid_lsb;
214 	u16 bssid_msb;
215 
216 	/*
217 	 * bits 0-3: Early termination count.
218 	 * bits 4-5: Early termination condition.
219 	 */
220 	u8 early_termination;
221 
222 	u8 tx_power_att;
223 	u8 channel;
224 	u8 pad[3];
225 } __packed;
226 
227 /* SCAN parameters */
228 #define SCAN_MAX_NUM_OF_CHANNELS 16
229 
230 struct wl1251_cmd_scan {
231 	struct wl1251_cmd_header header;
232 
233 	struct wl1251_scan_parameters params;
234 	struct wl1251_scan_ch_parameters channels[SCAN_MAX_NUM_OF_CHANNELS];
235 } __packed;
236 
237 enum {
238 	BSS_TYPE_IBSS = 0,
239 	BSS_TYPE_STA_BSS = 2,
240 	BSS_TYPE_AP_BSS = 3,
241 	MAX_BSS_TYPE = 0xFF
242 };
243 
244 #define JOIN_CMD_CTRL_TX_FLUSH             0x80 /* Firmware flushes all Tx */
245 #define JOIN_CMD_CTRL_EARLY_WAKEUP_ENABLE  0x01 /* Early wakeup time */
246 
247 
248 struct cmd_join {
249 	struct wl1251_cmd_header header;
250 
251 	u32 bssid_lsb;
252 	u16 bssid_msb;
253 	u16 beacon_interval; /* in TBTTs */
254 	u32 rx_config_options;
255 	u32 rx_filter_options;
256 
257 	/*
258 	 * The target uses this field to determine the rate at
259 	 * which to transmit control frame responses (such as
260 	 * ACK or CTS frames).
261 	 */
262 	u16 basic_rate_set;
263 	u8 dtim_interval;
264 	u8 tx_ctrl_frame_rate; /* OBSOLETE */
265 	u8 tx_ctrl_frame_mod;  /* OBSOLETE */
266 	/*
267 	 * bits 0-2: This bitwise field specifies the type
268 	 * of BSS to start or join (BSS_TYPE_*).
269 	 * bit 4: Band - The radio band in which to join
270 	 * or start.
271 	 *  0 - 2.4GHz band
272 	 *  1 - 5GHz band
273 	 * bits 3, 5-7: Reserved
274 	 */
275 	u8 bss_type;
276 	u8 channel;
277 	u8 ssid_len;
278 	u8 ssid[IEEE80211_MAX_SSID_LEN];
279 	u8 ctrl; /* JOIN_CMD_CTRL_* */
280 	u8 tx_mgt_frame_rate; /* OBSOLETE */
281 	u8 tx_mgt_frame_mod;  /* OBSOLETE */
282 	u8 reserved;
283 } __packed;
284 
285 struct cmd_enabledisable_path {
286 	struct wl1251_cmd_header header;
287 
288 	u8 channel;
289 	u8 padding[3];
290 } __packed;
291 
292 #define WL1251_MAX_TEMPLATE_SIZE 300
293 
294 struct wl1251_cmd_packet_template {
295 	struct wl1251_cmd_header header;
296 
297 	__le16 size;
298 	u8 data[0];
299 } __packed;
300 
301 #define TIM_ELE_ID    5
302 #define PARTIAL_VBM_MAX    251
303 
304 struct wl1251_tim {
305 	u8 identity;
306 	u8 length;
307 	u8 dtim_count;
308 	u8 dtim_period;
309 	u8 bitmap_ctrl;
310 	u8 pvb_field[PARTIAL_VBM_MAX]; /* Partial Virtual Bitmap */
311 } __packed;
312 
313 /* Virtual Bit Map update */
314 struct wl1251_cmd_vbm_update {
315 	struct wl1251_cmd_header header;
316 	__le16 len;
317 	u8  padding[2];
318 	struct wl1251_tim tim;
319 } __packed;
320 
321 enum wl1251_cmd_ps_mode {
322 	CHIP_ACTIVE_MODE,
323 	CHIP_POWER_SAVE_MODE
324 };
325 
326 struct wl1251_cmd_ps_params {
327 	struct wl1251_cmd_header header;
328 
329 	u8 ps_mode; /* STATION_* */
330 	u8 send_null_data; /* Do we have to send NULL data packet ? */
331 	u8 retries; /* Number of retires for the initial NULL data packet */
332 
333 	 /*
334 	  * TUs during which the target stays awake after switching
335 	  * to power save mode.
336 	  */
337 	u8 hang_over_period;
338 	u16 null_data_rate;
339 	u8 pad[2];
340 } __packed;
341 
342 struct wl1251_cmd_trigger_scan_to {
343 	struct wl1251_cmd_header header;
344 
345 	u32 timeout;
346 } __packed;
347 
348 /* HW encryption keys */
349 #define NUM_ACCESS_CATEGORIES_COPY 4
350 #define MAX_KEY_SIZE 32
351 
352 /* When set, disable HW encryption */
353 #define DF_ENCRYPTION_DISABLE      0x01
354 /* When set, disable HW decryption */
355 #define DF_SNIFF_MODE_ENABLE       0x80
356 
357 enum wl1251_cmd_key_action {
358 	KEY_ADD_OR_REPLACE = 1,
359 	KEY_REMOVE         = 2,
360 	KEY_SET_ID         = 3,
361 	MAX_KEY_ACTION     = 0xffff,
362 };
363 
364 enum wl1251_cmd_key_type {
365 	KEY_WEP_DEFAULT       = 0,
366 	KEY_WEP_ADDR          = 1,
367 	KEY_AES_GROUP         = 4,
368 	KEY_AES_PAIRWISE      = 5,
369 	KEY_WEP_GROUP         = 6,
370 	KEY_TKIP_MIC_GROUP    = 10,
371 	KEY_TKIP_MIC_PAIRWISE = 11,
372 };
373 
374 /*
375  *
376  * key_type_e   key size    key format
377  * ----------   ---------   ----------
378  * 0x00         5, 13, 29   Key data
379  * 0x01         5, 13, 29   Key data
380  * 0x04         16          16 bytes of key data
381  * 0x05         16          16 bytes of key data
382  * 0x0a         32          16 bytes of TKIP key data
383  *                          8 bytes of RX MIC key data
384  *                          8 bytes of TX MIC key data
385  * 0x0b         32          16 bytes of TKIP key data
386  *                          8 bytes of RX MIC key data
387  *                          8 bytes of TX MIC key data
388  *
389  */
390 
391 struct wl1251_cmd_set_keys {
392 	struct wl1251_cmd_header header;
393 
394 	/* Ignored for default WEP key */
395 	u8 addr[ETH_ALEN];
396 
397 	/* key_action_e */
398 	u16 key_action;
399 
400 	u16 reserved_1;
401 
402 	/* key size in bytes */
403 	u8 key_size;
404 
405 	/* key_type_e */
406 	u8 key_type;
407 	u8 ssid_profile;
408 
409 	/*
410 	 * TKIP, AES: frame's key id field.
411 	 * For WEP default key: key id;
412 	 */
413 	u8 id;
414 	u8 reserved_2[6];
415 	u8 key[MAX_KEY_SIZE];
416 	u16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY];
417 	u32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
418 } __packed;
419 
420 
421 #endif /* __WL1251_CMD_H__ */
422