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