drivers/net/wireless/ti/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_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__ */