drivers/staging/rtl8712/ieee80211.h

   1 #ifndef __IEEE80211_H
   2 #define __IEEE80211_H
   3
   4 #include "osdep_service.h"
   5 #include "drv_types.h"
   6 #include "wifi.h"
   7 #include <linux/compiler.h>
   8 #include <linux/wireless.h>
   9
  10 #define MGMT_QUEUE_NUM 5
  11 #define ETH_ALEN        6
  12 #define IEEE_CMD_SET_WPA_PARAM                  1
  13 #define IEEE_CMD_SET_WPA_IE                     2
  14 #define IEEE_CMD_SET_ENCRYPTION                 3
  15 #define IEEE_CMD_MLME                           4
  16
  17 #define IEEE_PARAM_WPA_ENABLED                  1
  18 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
  19 #define IEEE_PARAM_DROP_UNENCRYPTED             3
  20 #define IEEE_PARAM_PRIVACY_INVOKED              4
  21 #define IEEE_PARAM_AUTH_ALGS                    5
  22 #define IEEE_PARAM_IEEE_802_1X                  6
  23 #define IEEE_PARAM_WPAX_SELECT                  7
  24
  25 #define AUTH_ALG_OPEN_SYSTEM                    0x1
  26 #define AUTH_ALG_SHARED_KEY                     0x2
  27 #define AUTH_ALG_LEAP                           0x00000004
  28
  29 #define IEEE_MLME_STA_DEAUTH                    1
  30 #define IEEE_MLME_STA_DISASSOC                  2
  31
  32 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
  33 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR             3
  34 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED        4
  35 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
  36 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED        6
  37 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  38
  39
  40 #define IEEE_CRYPT_ALG_NAME_LEN                 16
  41
  42 #define WPA_CIPHER_NONE                         BIT(0)
  43 #define WPA_CIPHER_WEP40                        BIT(1)
  44 #define WPA_CIPHER_WEP104                       BIT(2)
  45 #define WPA_CIPHER_TKIP                         BIT(3)
  46 #define WPA_CIPHER_CCMP                         BIT(4)
  47
  48
  49
  50 #define WPA_SELECTOR_LEN                        4
  51 #define RSN_HEADER_LEN                          4
  52
  53 #define RSN_SELECTOR_LEN 4
  54
  55 enum NETWORK_TYPE {
  56         WIRELESS_INVALID        = 0,
  57         WIRELESS_11B            = 1,
  58         WIRELESS_11G            = 2,
  59         WIRELESS_11BG           = (WIRELESS_11B | WIRELESS_11G),
  60         WIRELESS_11A            = 4,
  61         WIRELESS_11N            = 8,
  62         WIRELESS_11GN           = (WIRELESS_11G | WIRELESS_11N),
  63         WIRELESS_11BGN          = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N),
  64 };
  65
  66
  67 struct ieee_param {
  68         u32 cmd;
  69         u8 sta_addr[ETH_ALEN];
  70         union {
  71                 struct {
  72                         u8 name;
  73                         u32 value;
  74                 } wpa_param;
  75                 struct {
  76                         u32 len;
  77                         u8 reserved[32];
  78                         u8 data[0];
  79                 } wpa_ie;
  80                 struct {
  81                         int command;
  82                         int reason_code;
  83                 } mlme;
  84                 struct {
  85                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
  86                         u8 set_tx;
  87                         u32 err;
  88                         u8 idx;
  89                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
  90                         u16 key_len;
  91                         u8 key[0];
  92                 } crypt;
  93         } u;
  94 };
  95
  96 #define IEEE80211_DATA_LEN              2304
  97 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
  98    6.2.1.1.2.
  99
 100    The figure in section 7.1.2 suggests a body size of up to 2312
 101    bytes is allowed, which is a bit confusing, I suspect this
 102    represents the 2304 bytes of real data, plus a possible 8 bytes of
 103    WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
 104
 105 #define IEEE80211_HLEN                  30
 106 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 107
 108 /* this is stolen from ipw2200 driver */
 109 #define IEEE_IBSS_MAC_HASH_SIZE 31
 110
 111 struct ieee_ibss_seq {
 112         u8 mac[ETH_ALEN];
 113         u16 seq_num;
 114         u16 frag_num;
 115         unsigned int packet_time;
 116         struct list_head list;
 117 };
 118
 119 struct ieee80211_hdr {
 120         u16 frame_ctl;
 121         u16 duration_id;
 122         u8 addr1[ETH_ALEN];
 123         u8 addr2[ETH_ALEN];
 124         u8 addr3[ETH_ALEN];
 125         u16 seq_ctl;
 126         u8 addr4[ETH_ALEN];
 127 } __packed;
 128
 129 struct ieee80211_hdr_3addr {
 130         u16 frame_ctl;
 131         u16 duration_id;
 132         u8 addr1[ETH_ALEN];
 133         u8 addr2[ETH_ALEN];
 134         u8 addr3[ETH_ALEN];
 135         u16 seq_ctl;
 136 } __packed;
 137
 138
 139 struct  ieee80211_hdr_qos {
 140         u16 frame_ctl;
 141         u16 duration_id;
 142         u8 addr1[ETH_ALEN];
 143         u8 addr2[ETH_ALEN];
 144         u8 addr3[ETH_ALEN];
 145         u16 seq_ctl;
 146         u8 addr4[ETH_ALEN];
 147         u16     qc;
 148 }  __packed;
 149
 150 struct  ieee80211_hdr_3addr_qos {
 151         u16 frame_ctl;
 152         u16 duration_id;
 153         u8  addr1[ETH_ALEN];
 154         u8  addr2[ETH_ALEN];
 155         u8  addr3[ETH_ALEN];
 156         u16 seq_ctl;
 157         u16 qc;
 158 }  __packed;
 159
 160 struct eapol {
 161         u8 snap[6];
 162         u16 ethertype;
 163         u8 version;
 164         u8 type;
 165         u16 length;
 166 } __packed;
 167
 168
 169 enum eap_type {
 170         EAP_PACKET = 0,
 171         EAPOL_START,
 172         EAPOL_LOGOFF,
 173         EAPOL_KEY,
 174         EAPOL_ENCAP_ASF_ALERT
 175 };
 176
 177 #define IEEE80211_3ADDR_LEN 24
 178 #define IEEE80211_4ADDR_LEN 30
 179 #define IEEE80211_FCS_LEN    4
 180
 181 #define MIN_FRAG_THRESHOLD     256U
 182 #define MAX_FRAG_THRESHOLD     2346U
 183
 184 /* Frame control field constants */
 185 #define IEEE80211_FCTL_VERS             0x0002
 186 #define IEEE80211_FCTL_FTYPE            0x000c
 187 #define IEEE80211_FCTL_STYPE            0x00f0
 188 #define IEEE80211_FCTL_TODS             0x0100
 189 #define IEEE80211_FCTL_FROMDS           0x0200
 190 #define IEEE80211_FCTL_MOREFRAGS        0x0400
 191 #define IEEE80211_FCTL_RETRY            0x0800
 192 #define IEEE80211_FCTL_PM               0x1000
 193 #define IEEE80211_FCTL_MOREDATA 0x2000
 194 #define IEEE80211_FCTL_WEP              0x4000
 195 #define IEEE80211_FCTL_ORDER            0x8000
 196
 197 #define IEEE80211_FTYPE_MGMT            0x0000
 198 #define IEEE80211_FTYPE_CTL             0x0004
 199 #define IEEE80211_FTYPE_DATA            0x0008
 200
 201 /* management */
 202 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
 203 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
 204 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
 205 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
 206 #define IEEE80211_STYPE_PROBE_REQ       0x0040
 207 #define IEEE80211_STYPE_PROBE_RESP      0x0050
 208 #define IEEE80211_STYPE_BEACON          0x0080
 209 #define IEEE80211_STYPE_ATIM            0x0090
 210 #define IEEE80211_STYPE_DISASSOC        0x00A0
 211 #define IEEE80211_STYPE_AUTH            0x00B0
 212 #define IEEE80211_STYPE_DEAUTH          0x00C0
 213
 214 /* control */
 215 #define IEEE80211_STYPE_PSPOLL          0x00A0
 216 #define IEEE80211_STYPE_RTS             0x00B0
 217 #define IEEE80211_STYPE_CTS             0x00C0
 218 #define IEEE80211_STYPE_ACK             0x00D0
 219 #define IEEE80211_STYPE_CFEND           0x00E0
 220 #define IEEE80211_STYPE_CFENDACK        0x00F0
 221
 222 /* data */
 223 #define IEEE80211_STYPE_DATA            0x0000
 224 #define IEEE80211_STYPE_DATA_CFACK      0x0010
 225 #define IEEE80211_STYPE_DATA_CFPOLL     0x0020
 226 #define IEEE80211_STYPE_DATA_CFACKPOLL  0x0030
 227 #define IEEE80211_STYPE_NULLFUNC        0x0040
 228 #define IEEE80211_STYPE_CFACK           0x0050
 229 #define IEEE80211_STYPE_CFPOLL          0x0060
 230 #define IEEE80211_STYPE_CFACKPOLL       0x0070
 231 #define IEEE80211_QOS_DATAGRP           0x0080
 232 #define IEEE80211_QoS_DATAGRP           IEEE80211_QOS_DATAGRP
 233
 234 #define IEEE80211_SCTL_FRAG             0x000F
 235 #define IEEE80211_SCTL_SEQ              0xFFF0
 236
 237 /* QoS,QOS */
 238 #define NORMAL_ACK                      0
 239 #define NO_ACK                          1
 240 #define NON_EXPLICIT_ACK        2
 241 #define BLOCK_ACK                       3
 242
 243 #ifndef ETH_P_PAE
 244 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 245 #endif /* ETH_P_PAE */
 246
 247 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 248
 249 #define ETH_P_ECONET    0x0018
 250
 251 #ifndef ETH_P_80211_RAW
 252 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 253 #endif
 254
 255 /* IEEE 802.11 defines */
 256
 257 #define P80211_OUI_LEN 3
 258
 259 struct ieee80211_snap_hdr {
 260         u8    dsap;   /* always 0xAA */
 261         u8    ssap;   /* always 0xAA */
 262         u8    ctrl;   /* always 0x03 */
 263         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 264 } __packed;
 265
 266 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 267
 268 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 269 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 270
 271 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
 272
 273 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 274 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & IEEE80211_SCTL_SEQ)
 275
 276 /* Authentication algorithms */
 277 #define WLAN_AUTH_OPEN 0
 278 #define WLAN_AUTH_SHARED_KEY 1
 279
 280 #define WLAN_AUTH_CHALLENGE_LEN 128
 281
 282 #define WLAN_CAPABILITY_BSS (1<<0)
 283 #define WLAN_CAPABILITY_IBSS (1<<1)
 284 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
 285 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
 286 #define WLAN_CAPABILITY_PRIVACY (1<<4)
 287 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
 288 #define WLAN_CAPABILITY_PBCC (1<<6)
 289 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
 290 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 291
 292 /* Status codes */
 293 #define WLAN_STATUS_SUCCESS 0
 294 #define WLAN_STATUS_UNSPECIFIED_FAILURE 1
 295 #define WLAN_STATUS_CAPS_UNSUPPORTED 10
 296 #define WLAN_STATUS_REASSOC_NO_ASSOC 11
 297 #define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
 298 #define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
 299 #define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
 300 #define WLAN_STATUS_CHALLENGE_FAIL 15
 301 #define WLAN_STATUS_AUTH_TIMEOUT 16
 302 #define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
 303 #define WLAN_STATUS_ASSOC_DENIED_RATES 18
 304 /* 802.11b */
 305 #define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
 306 #define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
 307 #define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
 308
 309 /* Reason codes */
 310 #define WLAN_REASON_UNSPECIFIED 1
 311 #define WLAN_REASON_PREV_AUTH_NOT_VALID 2
 312 #define WLAN_REASON_DEAUTH_LEAVING 3
 313 #define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
 314 #define WLAN_REASON_DISASSOC_AP_BUSY 5
 315 #define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
 316 #define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
 317 #define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
 318 #define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
 319
 320
 321 /* Information Element IDs */
 322 #define WLAN_EID_SSID 0
 323 #define WLAN_EID_SUPP_RATES 1
 324 #define WLAN_EID_FH_PARAMS 2
 325 #define WLAN_EID_DS_PARAMS 3
 326 #define WLAN_EID_CF_PARAMS 4
 327 #define WLAN_EID_TIM 5
 328 #define WLAN_EID_IBSS_PARAMS 6
 329 #define WLAN_EID_CHALLENGE 16
 330 #define WLAN_EID_RSN 48
 331 #define WLAN_EID_GENERIC 221
 332
 333 #define IEEE80211_MGMT_HDR_LEN 24
 334 #define IEEE80211_DATA_HDR3_LEN 24
 335 #define IEEE80211_DATA_HDR4_LEN 30
 336
 337
 338 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 339 #define IEEE80211_STATMASK_RSSI (1<<1)
 340 #define IEEE80211_STATMASK_NOISE (1<<2)
 341 #define IEEE80211_STATMASK_RATE (1<<3)
 342 #define IEEE80211_STATMASK_WEMASK 0x7
 343
 344
 345 #define IEEE80211_CCK_MODULATION    (1<<0)
 346 #define IEEE80211_OFDM_MODULATION   (1<<1)
 347
 348 #define IEEE80211_24GHZ_BAND     (1<<0)
 349 #define IEEE80211_52GHZ_BAND     (1<<1)
 350
 351 #define IEEE80211_CCK_RATE_LEN                  4
 352 #define IEEE80211_NUM_OFDM_RATESLEN     8
 353
 354
 355 #define IEEE80211_CCK_RATE_1MB                  0x02
 356 #define IEEE80211_CCK_RATE_2MB                  0x04
 357 #define IEEE80211_CCK_RATE_5MB                  0x0B
 358 #define IEEE80211_CCK_RATE_11MB                 0x16
 359 #define IEEE80211_OFDM_RATE_LEN                 8
 360 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 361 #define IEEE80211_OFDM_RATE_9MB                 0x12
 362 #define IEEE80211_OFDM_RATE_12MB                0x18
 363 #define IEEE80211_OFDM_RATE_18MB                0x24
 364 #define IEEE80211_OFDM_RATE_24MB                0x30
 365 #define IEEE80211_OFDM_RATE_36MB                0x48
 366 #define IEEE80211_OFDM_RATE_48MB                0x60
 367 #define IEEE80211_OFDM_RATE_54MB                0x6C
 368 #define IEEE80211_BASIC_RATE_MASK               0x80
 369
 370 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 371 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 372 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 373 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 374 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 375 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 376 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 377 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 378 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 379 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 380 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 381 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 382
 383 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 384 #define IEEE80211_CCK_BASIC_RATES_MASK          (IEEE80211_CCK_RATE_1MB_MASK | \
 385         IEEE80211_CCK_RATE_2MB_MASK)
 386 #define IEEE80211_CCK_DEFAULT_RATES_MASK   (IEEE80211_CCK_BASIC_RATES_MASK | \
 387                                            IEEE80211_CCK_RATE_5MB_MASK | \
 388                                            IEEE80211_CCK_RATE_11MB_MASK)
 389
 390 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 391 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 392         IEEE80211_OFDM_RATE_12MB_MASK | \
 393         IEEE80211_OFDM_RATE_24MB_MASK)
 394 #define IEEE80211_OFDM_DEFAULT_RATES_MASK  (IEEE80211_OFDM_BASIC_RATES_MASK | \
 395                                            IEEE80211_OFDM_RATE_9MB_MASK  | \
 396                                            IEEE80211_OFDM_RATE_18MB_MASK | \
 397                                            IEEE80211_OFDM_RATE_36MB_MASK | \
 398                                            IEEE80211_OFDM_RATE_48MB_MASK | \
 399                                            IEEE80211_OFDM_RATE_54MB_MASK)
 400 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 401                                      IEEE80211_CCK_DEFAULT_RATES_MASK)
 402
 403 #define IEEE80211_NUM_OFDM_RATES            8
 404 #define IEEE80211_NUM_CCK_RATES             4
 405 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 406
 407
 408
 409
 410 /* NOTE: This data is for statistical purposes; not all hardware provides this
 411  *       information for frames received.  Not setting these will not cause
 412  *       any adverse affects. */
 413 struct ieee80211_rx_stats {
 414         s8 rssi;
 415         u8 signal;
 416         u8 noise;
 417         u8 received_channel;
 418         u16 rate; /* in 100 kbps */
 419         u8 mask;
 420         u8 freq;
 421         u16 len;
 422 };
 423
 424 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 425  * three fragmented frames. This define can be increased to support more
 426  * concurrent frames, but it should be noted that each entry can consume about
 427  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 428 #define IEEE80211_FRAG_CACHE_LEN 4
 429
 430 struct ieee80211_frag_entry {
 431         u32 first_frag_time;
 432         uint seq;
 433         uint last_frag;
 434         uint qos;   /*jackson*/
 435         uint tid;       /*jackson*/
 436         struct sk_buff *skb;
 437         u8 src_addr[ETH_ALEN];
 438         u8 dst_addr[ETH_ALEN];
 439 };
 440
 441 struct ieee80211_stats {
 442         uint tx_unicast_frames;
 443         uint tx_multicast_frames;
 444         uint tx_fragments;
 445         uint tx_unicast_octets;
 446         uint tx_multicast_octets;
 447         uint tx_deferred_transmissions;
 448         uint tx_single_retry_frames;
 449         uint tx_multiple_retry_frames;
 450         uint tx_retry_limit_exceeded;
 451         uint tx_discards;
 452         uint rx_unicast_frames;
 453         uint rx_multicast_frames;
 454         uint rx_fragments;
 455         uint rx_unicast_octets;
 456         uint rx_multicast_octets;
 457         uint rx_fcs_errors;
 458         uint rx_discards_no_buffer;
 459         uint tx_discards_wrong_sa;
 460         uint rx_discards_undecryptable;
 461         uint rx_message_in_msg_fragments;
 462         uint rx_message_in_bad_msg_fragments;
 463 };
 464
 465 struct ieee80211_softmac_stats {
 466         uint rx_ass_ok;
 467         uint rx_ass_err;
 468         uint rx_probe_rq;
 469         uint tx_probe_rs;
 470         uint tx_beacons;
 471         uint rx_auth_rq;
 472         uint rx_auth_rs_ok;
 473         uint rx_auth_rs_err;
 474         uint tx_auth_rq;
 475         uint no_auth_rs;
 476         uint no_ass_rs;
 477         uint tx_ass_rq;
 478         uint rx_ass_rq;
 479         uint tx_probe_rq;
 480         uint reassoc;
 481         uint swtxstop;
 482         uint swtxawake;
 483 };
 484
 485 #define SEC_KEY_1         (1<<0)
 486 #define SEC_KEY_2         (1<<1)
 487 #define SEC_KEY_3         (1<<2)
 488 #define SEC_KEY_4         (1<<3)
 489 #define SEC_ACTIVE_KEY    (1<<4)
 490 #define SEC_AUTH_MODE     (1<<5)
 491 #define SEC_UNICAST_GROUP (1<<6)
 492 #define SEC_LEVEL         (1<<7)
 493 #define SEC_ENABLED       (1<<8)
 494
 495 #define SEC_LEVEL_0      0 /* None */
 496 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 497 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 498 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 499 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 500
 501 #define WEP_KEYS 4
 502 #define WEP_KEY_LEN 13
 503
 504 struct ieee80211_security {
 505         u16 active_key:2,
 506             enabled:1,
 507             auth_mode:2,
 508             auth_algo:4,
 509             unicast_uses_group:1;
 510         u8 key_sizes[WEP_KEYS];
 511         u8 keys[WEP_KEYS][WEP_KEY_LEN];
 512         u8 level;
 513         u16 flags;
 514 } __packed;
 515
 516 /*
 517
 518  802.11 data frame from AP
 519
 520       ,-------------------------------------------------------------------.
 521 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 522       |------|------|---------|---------|---------|------|---------|------|
 523 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 524       |      | tion | (BSSID) |         |         | ence |  data   |      |
 525       `-------------------------------------------------------------------'
 526
 527 Total: 28-2340 bytes
 528
 529 */
 530
 531 struct ieee80211_header_data {
 532         u16 frame_ctl;
 533         u16 duration_id;
 534         u8 addr1[6];
 535         u8 addr2[6];
 536         u8 addr3[6];
 537         u16 seq_ctrl;
 538 };
 539
 540 #define BEACON_PROBE_SSID_ID_POSITION 12
 541
 542 /* Management Frame Information Element Types */
 543 #define MFIE_TYPE_SSID       0
 544 #define MFIE_TYPE_RATES      1
 545 #define MFIE_TYPE_FH_SET     2
 546 #define MFIE_TYPE_DS_SET     3
 547 #define MFIE_TYPE_CF_SET     4
 548 #define MFIE_TYPE_TIM        5
 549 #define MFIE_TYPE_IBSS_SET   6
 550 #define MFIE_TYPE_CHALLENGE  16
 551 #define MFIE_TYPE_ERP        42
 552 #define MFIE_TYPE_RSN        48
 553 #define MFIE_TYPE_RATES_EX   50
 554 #define MFIE_TYPE_GENERIC    221
 555
 556 struct ieee80211_info_element_hdr {
 557         u8 id;
 558         u8 len;
 559 } __packed;
 560
 561 struct ieee80211_info_element {
 562         u8 id;
 563         u8 len;
 564         u8 data[0];
 565 } __packed;
 566
 567 /*
 568  * These are the data types that can make up management packets
 569  *
 570         u16 auth_algorithm;
 571         u16 auth_sequence;
 572         u16 beacon_interval;
 573         u16 capability;
 574         u8 current_ap[ETH_ALEN];
 575         u16 listen_interval;
 576         struct {
 577                 u16 association_id:14, reserved:2;
 578         } __packed;
 579         u32 time_stamp[2];
 580         u16 reason;
 581         u16 status;
 582 */
 583
 584 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 585 #define IEEE80211_DEFAULT_BASIC_RATE 10
 586
 587 struct ieee80211_authentication {
 588         struct ieee80211_header_data header;
 589         u16 algorithm;
 590         u16 transaction;
 591         u16 status;
 592 } __packed;
 593
 594 struct ieee80211_probe_response {
 595         struct ieee80211_header_data header;
 596         u32 time_stamp[2];
 597         u16 beacon_interval;
 598         u16 capability;
 599         struct ieee80211_info_element info_element;
 600 } __packed;
 601
 602 struct ieee80211_probe_request {
 603         struct ieee80211_header_data header;
 604 } __packed;
 605
 606 struct ieee80211_assoc_request_frame {
 607         struct ieee80211_hdr_3addr header;
 608         u16 capability;
 609         u16 listen_interval;
 610         struct ieee80211_info_element_hdr info_element;
 611 } __packed;
 612
 613 struct ieee80211_assoc_response_frame {
 614         struct ieee80211_hdr_3addr header;
 615         u16 capability;
 616         u16 status;
 617         u16 aid;
 618 } __packed;
 619
 620 struct ieee80211_txb {
 621         u8 nr_frags;
 622         u8 encrypted;
 623         u16 reserved;
 624         u16 frag_size;
 625         u16 payload_size;
 626         struct sk_buff *fragments[0];
 627 };
 628
 629 /* SWEEP TABLE ENTRIES NUMBER*/
 630 #define MAX_SWEEP_TAB_ENTRIES             42
 631 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 632 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 633  * only use 8, and then use extended rates for the remaining supported
 634  * rates.  Other APs, however, stick all of their supported rates on the
 635  * main rates information element... */
 636 #define MAX_RATES_LENGTH                  ((u8)12)
 637 #define MAX_RATES_EX_LENGTH               ((u8)16)
 638 #define MAX_NETWORK_COUNT                  128
 639 #define MAX_CHANNEL_NUMBER                 161
 640 #define IEEE80211_SOFTMAC_SCAN_TIME       400
 641 /*(HZ / 2)*/
 642 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 643
 644 #define CRC_LENGTH                 4U
 645
 646 #define MAX_WPA_IE_LEN 128
 647 #define MAX_WPS_IE_LEN 512
 648
 649 #define NETWORK_EMPTY_ESSID (1<<0)
 650 #define NETWORK_HAS_OFDM    (1<<1)
 651 #define NETWORK_HAS_CCK     (1<<2)
 652
 653 #define IEEE80211_DTIM_MBCAST 4
 654 #define IEEE80211_DTIM_UCAST 2
 655 #define IEEE80211_DTIM_VALID 1
 656 #define IEEE80211_DTIM_INVALID 0
 657
 658 #define IEEE80211_PS_DISABLED 0
 659 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 660 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 661 #define IW_ESSID_MAX_SIZE 32
 662 /*
 663  * join_res:
 664  * -1: authentication fail
 665  * -2: association fail
 666  * > 0: TID
 667  */
 668
 669 enum ieee80211_state {
 670         /* the card is not linked at all */
 671         IEEE80211_NOLINK = 0,
 672         /* IEEE80211_ASSOCIATING* are for BSS client mode
 673          * the driver shall not perform RX filtering unless
 674          * the state is LINKED.
 675          * The driver shall just check for the state LINKED and
 676          * defaults to NOLINK for ALL the other states (including
 677          * LINKED_SCANNING)
 678          */
 679         /* the association procedure will start (wq scheduling)*/
 680         IEEE80211_ASSOCIATING,
 681         IEEE80211_ASSOCIATING_RETRY,
 682         /* the association procedure is sending AUTH request*/
 683         IEEE80211_ASSOCIATING_AUTHENTICATING,
 684         /* the association procedure has successfully authentcated
 685          * and is sending association request
 686          */
 687         IEEE80211_ASSOCIATING_AUTHENTICATED,
 688         /* the link is ok. the card associated to a BSS or linked
 689          * to a ibss cell or acting as an AP and creating the bss
 690          */
 691         IEEE80211_LINKED,
 692         /* same as LINKED, but the driver shall apply RX filter
 693          * rules as we are in NO_LINK mode. As the card is still
 694          * logically linked, but it is doing a syncro site survey
 695          * then it will be back to LINKED state.
 696          */
 697         IEEE80211_LINKED_SCANNING,
 698 };
 699
 700 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 701 #define DEFAULT_FTS 2346
 702
 703 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 704 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 705
 706 #define MAXTID  16
 707
 708 #define IEEE_A            (1<<0)
 709 #define IEEE_B            (1<<1)
 710 #define IEEE_G            (1<<2)
 711 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
 712
 713 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
 714 {
 715         /* Single white space is for Linksys APs */
 716         if (essid_len == 1 && essid[0] == ' ')
 717                 return 1;
 718         /* Otherwise, if the entire essid is 0, we assume it is hidden */
 719         while (essid_len) {
 720                 essid_len--;
 721                 if (essid[essid_len] != '\0')
 722                         return 0;
 723         }
 724         return 1;
 725 }
 726
 727 extern inline int ieee80211_get_hdrlen(u16 fc)
 728 {
 729         int hdrlen = 24;
 730
 731         switch (WLAN_FC_GET_TYPE(fc)) {
 732         case IEEE80211_FTYPE_DATA:
 733                 if (fc & IEEE80211_QOS_DATAGRP)
 734                         hdrlen += 2;
 735                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
 736                         hdrlen += 6; /* Addr4 */
 737                 break;
 738         case IEEE80211_FTYPE_CTL:
 739                 switch (WLAN_FC_GET_STYPE(fc)) {
 740                 case IEEE80211_STYPE_CTS:
 741                 case IEEE80211_STYPE_ACK:
 742                         hdrlen = 10;
 743                         break;
 744                 default:
 745                         hdrlen = 16;
 746                         break;
 747                 }
 748                 break;
 749         }
 750         return hdrlen;
 751 }
 752
 753 struct registry_priv;
 754
 755 u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen);
 756 u8 *r8712_get_ie(u8*pbuf, sint index, sint *len, sint limit);
 757 unsigned char *r8712_get_wpa_ie(unsigned char *pie, int *rsn_ie_len, int limit);
 758 unsigned char *r8712_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len,
 759                                  int limit);
 760 int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 761                         int *pairwise_cipher);
 762 int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 763                         int *pairwise_cipher);
 764 int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
 765                      u8 *wpa_ie, u16 *wpa_len);
 766 int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
 767 int r8712_generate_ie(struct registry_priv *pregistrypriv,
 768                       struct _adapter *padapter);
 769 uint r8712_is_cckrates_included(u8 *rate);
 770 uint r8712_is_cckratesonly_included(u8 *rate);
 771
 772 #endif /* IEEE80211_H */
 773