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