drivers/net/wireless/wl1251/cmd.h

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