drivers/net/wireless/wl12xx/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  * Contact: Kalle Valo <kalle.valo@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 __WL1251_CMD_H__
  26 #define __WL1251_CMD_H__
  27
  28 #include "wl1251.h"
  29
  30 #include <net/cfg80211.h>
  31
  32 struct acx_header;
  33
  34 int wl1251_cmd_send(struct wl1251 *wl, u16 type, void *buf, size_t buf_len);
  35 int wl1251_cmd_test(struct wl1251 *wl, void *buf, size_t buf_len, u8 answer);
  36 int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len);
  37 int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len);
  38 int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity,
  39                    void *bitmap, u16 bitmap_len, u8 bitmap_control);
  40 int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable);
  41 int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel,
  42                     u16 beacon_interval, u8 dtim_interval);
  43 int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode);
  44 int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer,
  45                            size_t len);
  46 int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id,
  47                             void *buf, size_t buf_len);
  48 int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len,
  49                     struct ieee80211_channel *channels[],
  50                     unsigned int n_channels, unsigned int n_probes);
  51 int wl1251_cmd_trigger_scan_to(struct wl1251 *wl, u32 timeout);
  52
  53 /* unit ms */
  54 #define WL1251_COMMAND_TIMEOUT 2000
  55
  56 enum wl1251_commands {
  57         CMD_RESET           = 0,
  58         CMD_INTERROGATE     = 1,    /*use this to read information elements*/
  59         CMD_CONFIGURE       = 2,    /*use this to write information elements*/
  60         CMD_ENABLE_RX       = 3,
  61         CMD_ENABLE_TX       = 4,
  62         CMD_DISABLE_RX      = 5,
  63         CMD_DISABLE_TX      = 6,
  64         CMD_SCAN            = 8,
  65         CMD_STOP_SCAN       = 9,
  66         CMD_VBM             = 10,
  67         CMD_START_JOIN      = 11,
  68         CMD_SET_KEYS        = 12,
  69         CMD_READ_MEMORY     = 13,
  70         CMD_WRITE_MEMORY    = 14,
  71         CMD_BEACON          = 19,
  72         CMD_PROBE_RESP      = 20,
  73         CMD_NULL_DATA       = 21,
  74         CMD_PROBE_REQ       = 22,
  75         CMD_TEST            = 23,
  76         CMD_RADIO_CALIBRATE     = 25,   /* OBSOLETE */
  77         CMD_ENABLE_RX_PATH      = 27,   /* OBSOLETE */
  78         CMD_NOISE_HIST      = 28,
  79         CMD_RX_RESET        = 29,
  80         CMD_PS_POLL         = 30,
  81         CMD_QOS_NULL_DATA   = 31,
  82         CMD_LNA_CONTROL     = 32,
  83         CMD_SET_BCN_MODE    = 33,
  84         CMD_MEASUREMENT      = 34,
  85         CMD_STOP_MEASUREMENT = 35,
  86         CMD_DISCONNECT       = 36,
  87         CMD_SET_PS_MODE      = 37,
  88         CMD_CHANNEL_SWITCH   = 38,
  89         CMD_STOP_CHANNEL_SWICTH = 39,
  90         CMD_AP_DISCOVERY     = 40,
  91         CMD_STOP_AP_DISCOVERY = 41,
  92         CMD_SPS_SCAN = 42,
  93         CMD_STOP_SPS_SCAN = 43,
  94         CMD_HEALTH_CHECK     = 45,
  95         CMD_DEBUG            = 46,
  96         CMD_TRIGGER_SCAN_TO  = 47,
  97
  98         NUM_COMMANDS,
  99         MAX_COMMAND_ID = 0xFFFF,
 100 };
 101
 102 #define MAX_CMD_PARAMS 572
 103
 104 struct wl1251_cmd_header {
 105         u16 id;
 106         u16 status;
 107         /* payload */
 108         u8 data[0];
 109 } __packed;
 110
 111 struct  wl1251_command {
 112         struct wl1251_cmd_header header;
 113         u8  parameters[MAX_CMD_PARAMS];
 114 };
 115
 116 enum {
 117         CMD_MAILBOX_IDLE                        =  0,
 118         CMD_STATUS_SUCCESS                      =  1,
 119         CMD_STATUS_UNKNOWN_CMD                  =  2,
 120         CMD_STATUS_UNKNOWN_IE                   =  3,
 121         CMD_STATUS_REJECT_MEAS_SG_ACTIVE        = 11,
 122         CMD_STATUS_RX_BUSY                      = 13,
 123         CMD_STATUS_INVALID_PARAM                = 14,
 124         CMD_STATUS_TEMPLATE_TOO_LARGE           = 15,
 125         CMD_STATUS_OUT_OF_MEMORY                = 16,
 126         CMD_STATUS_STA_TABLE_FULL               = 17,
 127         CMD_STATUS_RADIO_ERROR                  = 18,
 128         CMD_STATUS_WRONG_NESTING                = 19,
 129         CMD_STATUS_TIMEOUT                      = 21, /* Driver internal use.*/
 130         CMD_STATUS_FW_RESET                     = 22, /* Driver internal use.*/
 131         MAX_COMMAND_STATUS                      = 0xff
 132 };
 133
 134
 135 /*
 136  * CMD_READ_MEMORY
 137  *
 138  * The host issues this command to read the WiLink device memory/registers.
 139  *
 140  * Note: The Base Band address has special handling (16 bits registers and
 141  * addresses). For more information, see the hardware specification.
 142  */
 143 /*
 144  * CMD_WRITE_MEMORY
 145  *
 146  * The host issues this command to write the WiLink device memory/registers.
 147  *
 148  * The Base Band address has special handling (16 bits registers and
 149  * addresses). For more information, see the hardware specification.
 150  */
 151 #define MAX_READ_SIZE 256
 152
 153 struct cmd_read_write_memory {
 154         struct wl1251_cmd_header header;
 155
 156         /* The address of the memory to read from or write to.*/
 157         u32 addr;
 158
 159         /* The amount of data in bytes to read from or write to the WiLink
 160          * device.*/
 161         u32 size;
 162
 163         /* The actual value read from or written to the Wilink. The source
 164            of this field is the Host in WRITE command or the Wilink in READ
 165            command. */
 166         u8 value[MAX_READ_SIZE];
 167 };
 168
 169 #define CMDMBOX_HEADER_LEN 4
 170 #define CMDMBOX_INFO_ELEM_HEADER_LEN 4
 171
 172 #define WL1251_SCAN_MIN_DURATION 30000
 173 #define WL1251_SCAN_MAX_DURATION 60000
 174
 175 #define WL1251_SCAN_NUM_PROBES 3
 176
 177 struct wl1251_scan_parameters {
 178         u32 rx_config_options;
 179         u32 rx_filter_options;
 180
 181         /*
 182          * Scan options:
 183          * bit 0: When this bit is set, passive scan.
 184          * bit 1: Band, when this bit is set we scan
 185          * in the 5Ghz band.
 186          * bit 2: voice mode, 0 for normal scan.
 187          * bit 3: scan priority, 1 for high priority.
 188          */
 189         u16 scan_options;
 190
 191         /* Number of channels to scan */
 192         u8 num_channels;
 193
 194         /* Number opf probe requests to send, per channel */
 195         u8 num_probe_requests;
 196
 197         /* Rate and modulation for probe requests */
 198         u16 tx_rate;
 199
 200         u8 tid_trigger;
 201         u8 ssid_len;
 202         u8 ssid[32];
 203
 204 } __packed;
 205
 206 struct wl1251_scan_ch_parameters {
 207         u32 min_duration; /* in TU */
 208         u32 max_duration; /* in TU */
 209         u32 bssid_lsb;
 210         u16 bssid_msb;
 211
 212         /*
 213          * bits 0-3: Early termination count.
 214          * bits 4-5: Early termination condition.
 215          */
 216         u8 early_termination;
 217
 218         u8 tx_power_att;
 219         u8 channel;
 220         u8 pad[3];
 221 } __packed;
 222
 223 /* SCAN parameters */
 224 #define SCAN_MAX_NUM_OF_CHANNELS 16
 225
 226 struct wl1251_cmd_scan {
 227         struct wl1251_cmd_header header;
 228
 229         struct wl1251_scan_parameters params;
 230         struct wl1251_scan_ch_parameters channels[SCAN_MAX_NUM_OF_CHANNELS];
 231 } __packed;
 232
 233 enum {
 234         BSS_TYPE_IBSS = 0,
 235         BSS_TYPE_STA_BSS = 2,
 236         BSS_TYPE_AP_BSS = 3,
 237         MAX_BSS_TYPE = 0xFF
 238 };
 239
 240 #define JOIN_CMD_CTRL_TX_FLUSH             0x80 /* Firmware flushes all Tx */
 241 #define JOIN_CMD_CTRL_EARLY_WAKEUP_ENABLE  0x01 /* Early wakeup time */
 242
 243
 244 struct cmd_join {
 245         struct wl1251_cmd_header header;
 246
 247         u32 bssid_lsb;
 248         u16 bssid_msb;
 249         u16 beacon_interval; /* in TBTTs */
 250         u32 rx_config_options;
 251         u32 rx_filter_options;
 252
 253         /*
 254          * The target uses this field to determine the rate at
 255          * which to transmit control frame responses (such as
 256          * ACK or CTS frames).
 257          */
 258         u16 basic_rate_set;
 259         u8 dtim_interval;
 260         u8 tx_ctrl_frame_rate; /* OBSOLETE */
 261         u8 tx_ctrl_frame_mod;  /* OBSOLETE */
 262         /*
 263          * bits 0-2: This bitwise field specifies the type
 264          * of BSS to start or join (BSS_TYPE_*).
 265          * bit 4: Band - The radio band in which to join
 266          * or start.
 267          *  0 - 2.4GHz band
 268          *  1 - 5GHz band
 269          * bits 3, 5-7: Reserved
 270          */
 271         u8 bss_type;
 272         u8 channel;
 273         u8 ssid_len;
 274         u8 ssid[IW_ESSID_MAX_SIZE];
 275         u8 ctrl; /* JOIN_CMD_CTRL_* */
 276         u8 tx_mgt_frame_rate; /* OBSOLETE */
 277         u8 tx_mgt_frame_mod;  /* OBSOLETE */
 278         u8 reserved;
 279 } __packed;
 280
 281 struct cmd_enabledisable_path {
 282         struct wl1251_cmd_header header;
 283
 284         u8 channel;
 285         u8 padding[3];
 286 } __packed;
 287
 288 #define WL1251_MAX_TEMPLATE_SIZE 300
 289
 290 struct wl1251_cmd_packet_template {
 291         struct wl1251_cmd_header header;
 292
 293         __le16 size;
 294         u8 data[0];
 295 } __packed;
 296
 297 #define TIM_ELE_ID    5
 298 #define PARTIAL_VBM_MAX    251
 299
 300 struct wl1251_tim {
 301         u8 identity;
 302         u8 length;
 303         u8 dtim_count;
 304         u8 dtim_period;
 305         u8 bitmap_ctrl;
 306         u8 pvb_field[PARTIAL_VBM_MAX]; /* Partial Virtual Bitmap */
 307 } __packed;
 308
 309 /* Virtual Bit Map update */
 310 struct wl1251_cmd_vbm_update {
 311         struct wl1251_cmd_header header;
 312         __le16 len;
 313         u8  padding[2];
 314         struct wl1251_tim tim;
 315 } __packed;
 316
 317 enum wl1251_cmd_ps_mode {
 318         STATION_ACTIVE_MODE,
 319         STATION_POWER_SAVE_MODE
 320 };
 321
 322 struct wl1251_cmd_ps_params {
 323         struct wl1251_cmd_header header;
 324
 325         u8 ps_mode; /* STATION_* */
 326         u8 send_null_data; /* Do we have to send NULL data packet ? */
 327         u8 retries; /* Number of retires for the initial NULL data packet */
 328
 329          /*
 330           * TUs during which the target stays awake after switching
 331           * to power save mode.
 332           */
 333         u8 hang_over_period;
 334         u16 null_data_rate;
 335         u8 pad[2];
 336 } __packed;
 337
 338 struct wl1251_cmd_trigger_scan_to {
 339         struct wl1251_cmd_header header;
 340
 341         u32 timeout;
 342 };
 343
 344 /* HW encryption keys */
 345 #define NUM_ACCESS_CATEGORIES_COPY 4
 346 #define MAX_KEY_SIZE 32
 347
 348 /* When set, disable HW encryption */
 349 #define DF_ENCRYPTION_DISABLE      0x01
 350 /* When set, disable HW decryption */
 351 #define DF_SNIFF_MODE_ENABLE       0x80
 352
 353 enum wl1251_cmd_key_action {
 354         KEY_ADD_OR_REPLACE = 1,
 355         KEY_REMOVE         = 2,
 356         KEY_SET_ID         = 3,
 357         MAX_KEY_ACTION     = 0xffff,
 358 };
 359
 360 enum wl1251_cmd_key_type {
 361         KEY_WEP_DEFAULT       = 0,
 362         KEY_WEP_ADDR          = 1,
 363         KEY_AES_GROUP         = 4,
 364         KEY_AES_PAIRWISE      = 5,
 365         KEY_WEP_GROUP         = 6,
 366         KEY_TKIP_MIC_GROUP    = 10,
 367         KEY_TKIP_MIC_PAIRWISE = 11,
 368 };
 369
 370 /*
 371  *
 372  * key_type_e   key size    key format
 373  * ----------   ---------   ----------
 374  * 0x00         5, 13, 29   Key data
 375  * 0x01         5, 13, 29   Key data
 376  * 0x04         16          16 bytes of key data
 377  * 0x05         16          16 bytes of key data
 378  * 0x0a         32          16 bytes of TKIP key data
 379  *                          8 bytes of RX MIC key data
 380  *                          8 bytes of TX MIC key data
 381  * 0x0b         32          16 bytes of TKIP key data
 382  *                          8 bytes of RX MIC key data
 383  *                          8 bytes of TX MIC key data
 384  *
 385  */
 386
 387 struct wl1251_cmd_set_keys {
 388         struct wl1251_cmd_header header;
 389
 390         /* Ignored for default WEP key */
 391         u8 addr[ETH_ALEN];
 392
 393         /* key_action_e */
 394         u16 key_action;
 395
 396         u16 reserved_1;
 397
 398         /* key size in bytes */
 399         u8 key_size;
 400
 401         /* key_type_e */
 402         u8 key_type;
 403         u8 ssid_profile;
 404
 405         /*
 406          * TKIP, AES: frame's key id field.
 407          * For WEP default key: key id;
 408          */
 409         u8 id;
 410         u8 reserved_2[6];
 411         u8 key[MAX_KEY_SIZE];
 412         u16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY];
 413         u32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
 414 } __packed;
 415
 416
 417 #endif /* __WL1251_CMD_H__ */