LXR linux/drivers/staging/rtl8188eu/include/ieee80211.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5 *
   6 ******************************************************************************/
   7#ifndef __IEEE80211_H
   8#define __IEEE80211_H
   9
  10#include <osdep_service.h>
  11#include <drv_types.h>
  12#include "wifi.h"
  13#include <linux/wireless.h>
  14
  15#ifdef CONFIG_88EU_AP_MODE
  16
  17#define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28)
  18
  19/* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */
  20enum {
  21        RTL871X_HOSTAPD_FLUSH = 1,
  22        RTL871X_HOSTAPD_ADD_STA = 2,
  23        RTL871X_HOSTAPD_REMOVE_STA = 3,
  24        RTL871X_HOSTAPD_GET_INFO_STA = 4,
  25        /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
  26        RTL871X_HOSTAPD_GET_WPAIE_STA = 5,
  27        RTL871X_SET_ENCRYPTION = 6,
  28        RTL871X_GET_ENCRYPTION = 7,
  29        RTL871X_HOSTAPD_SET_FLAGS_STA = 8,
  30        RTL871X_HOSTAPD_GET_RID = 9,
  31        RTL871X_HOSTAPD_SET_RID = 10,
  32        RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
  33        RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12,
  34        RTL871X_HOSTAPD_MLME = 13,
  35        RTL871X_HOSTAPD_SCAN_REQ = 14,
  36        RTL871X_HOSTAPD_STA_CLEAR_STATS = 15,
  37        RTL871X_HOSTAPD_SET_BEACON = 16,
  38        RTL871X_HOSTAPD_SET_WPS_BEACON = 17,
  39        RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18,
  40        RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19,
  41        RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20,
  42        RTL871X_HOSTAPD_SET_MACADDR_ACL = 21,
  43        RTL871X_HOSTAPD_ACL_ADD_STA = 22,
  44        RTL871X_HOSTAPD_ACL_REMOVE_STA = 23,
  45};
  46
  47/* STA flags */
  48#define WLAN_STA_AUTH BIT(0)
  49#define WLAN_STA_ASSOC BIT(1)
  50#define WLAN_STA_PS BIT(2)
  51#define WLAN_STA_TIM BIT(3)
  52#define WLAN_STA_PERM BIT(4)
  53#define WLAN_STA_AUTHORIZED BIT(5)
  54#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
  55#define WLAN_STA_SHORT_PREAMBLE BIT(7)
  56#define WLAN_STA_PREAUTH BIT(8)
  57#define WLAN_STA_WME BIT(9)
  58#define WLAN_STA_MFP BIT(10)
  59#define WLAN_STA_HT BIT(11)
  60#define WLAN_STA_WPS BIT(12)
  61#define WLAN_STA_MAYBE_WPS BIT(13)
  62#define WLAN_STA_NONERP BIT(31)
  63
  64#endif
  65
  66#define IEEE_CMD_SET_WPA_PARAM                  1
  67#define IEEE_CMD_SET_WPA_IE                             2
  68#define IEEE_CMD_SET_ENCRYPTION                 3
  69#define IEEE_CMD_MLME                                           4
  70
  71#define IEEE_PARAM_WPA_ENABLED                          1
  72#define IEEE_PARAM_TKIP_COUNTERMEASURES         2
  73#define IEEE_PARAM_DROP_UNENCRYPTED                     3
  74#define IEEE_PARAM_PRIVACY_INVOKED                      4
  75#define IEEE_PARAM_AUTH_ALGS                                    5
  76#define IEEE_PARAM_IEEE_802_1X                          6
  77#define IEEE_PARAM_WPAX_SELECT                          7
  78
  79#define AUTH_ALG_OPEN_SYSTEM                    0x1
  80#define AUTH_ALG_SHARED_KEY                     0x2
  81#define AUTH_ALG_LEAP                           0x00000004
  82
  83#define IEEE_MLME_STA_DEAUTH                            1
  84#define IEEE_MLME_STA_DISASSOC                  2
  85
  86#define IEEE_CRYPT_ERR_UNKNOWN_ALG                      2
  87#define IEEE_CRYPT_ERR_UNKNOWN_ADDR                     3
  88#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED                4
  89#define IEEE_CRYPT_ERR_KEY_SET_FAILED                   5
  90#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED                6
  91#define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  92
  93#define IEEE_CRYPT_ALG_NAME_LEN                 16
  94
  95#define WPA_CIPHER_NONE         BIT(0)
  96#define WPA_CIPHER_WEP40        BIT(1)
  97#define WPA_CIPHER_WEP104 BIT(2)
  98#define WPA_CIPHER_TKIP         BIT(3)
  99#define WPA_CIPHER_CCMP         BIT(4)
 100
 101#define WPA_SELECTOR_LEN 4
 102extern u8 RTW_WPA_OUI_TYPE[];
 103extern u8 WPA_AUTH_KEY_MGMT_NONE[];
 104extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
 105extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
 106extern u8 WPA_CIPHER_SUITE_NONE[];
 107extern u8 WPA_CIPHER_SUITE_WEP40[];
 108extern u8 WPA_CIPHER_SUITE_TKIP[];
 109extern u8 WPA_CIPHER_SUITE_WRAP[];
 110extern u8 WPA_CIPHER_SUITE_CCMP[];
 111extern u8 WPA_CIPHER_SUITE_WEP104[];
 112
 113#define RSN_HEADER_LEN 4
 114#define RSN_SELECTOR_LEN 4
 115
 116extern u16 RSN_VERSION_BSD;
 117extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
 118extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
 119extern u8 RSN_CIPHER_SUITE_NONE[];
 120extern u8 RSN_CIPHER_SUITE_WEP40[];
 121extern u8 RSN_CIPHER_SUITE_TKIP[];
 122extern u8 RSN_CIPHER_SUITE_WRAP[];
 123extern u8 RSN_CIPHER_SUITE_CCMP[];
 124extern u8 RSN_CIPHER_SUITE_WEP104[];
 125
 126enum ratr_table_mode {
 127        RATR_INX_WIRELESS_NGB = 0,      /*  BGN 40 Mhz 2SS 1SS */
 128        RATR_INX_WIRELESS_NG = 1,       /*  GN or N */
 129        RATR_INX_WIRELESS_NB = 2,       /*  BGN 20 Mhz 2SS 1SS  or BN */
 130        RATR_INX_WIRELESS_N = 3,
 131        RATR_INX_WIRELESS_GB = 4,
 132        RATR_INX_WIRELESS_G = 5,
 133        RATR_INX_WIRELESS_B = 6,
 134        RATR_INX_WIRELESS_MC = 7,
 135        RATR_INX_WIRELESS_AC_N = 8,
 136};
 137
 138enum NETWORK_TYPE {
 139        WIRELESS_INVALID = 0,
 140        /* Sub-Element */
 141        WIRELESS_11B = BIT(0), /* tx:cck only, rx:cck only, hw: cck */
 142        WIRELESS_11G = BIT(1), /* tx:ofdm only, rx:ofdm & cck, hw:cck & ofdm*/
 143        WIRELESS_11A = BIT(2), /* tx:ofdm only, rx: ofdm only, hw:ofdm only */
 144        WIRELESS_11_24N = BIT(3), /* tx:MCS only, rx:MCS & cck, hw:MCS & cck */
 145        WIRELESS_11_5N = BIT(4), /* tx:MCS only, rx:MCS & ofdm, hw:ofdm only */
 146        WIRELESS_AC             = BIT(6),
 147
 148        /* Combination */
 149        /*  tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
 150        WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G),
 151        /*  tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
 152        WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N),
 153        /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
 154        WIRELESS_11A_5N = (WIRELESS_11A | WIRELESS_11_5N),
 155        /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
 156        WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N),
 157        /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
 158        WIRELESS_11AGN = (WIRELESS_11A | WIRELESS_11G | WIRELESS_11_24N |
 159                          WIRELESS_11_5N),
 160        WIRELESS_11ABGN = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G |
 161                           WIRELESS_11_24N | WIRELESS_11_5N),
 162};
 163
 164#define SUPPORTED_24G_NETTYPE_MSK                               \
 165         (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
 166#define SUPPORTED_5G_NETTYPE_MSK                                \
 167         (WIRELESS_11A | WIRELESS_11_5N)
 168
 169#define IsSupported24G(NetType)                                 \
 170        ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
 171#define IsSupported5G(NetType)                                  \
 172        ((NetType) & SUPPORTED_5G_NETTYPE_MSK ? true : false)
 173
 174#define IsEnableHWCCK(NetType)                                  \
 175        IsSupported24G(NetType)
 176#define IsEnableHWOFDM(NetType)                                 \
 177        ((NetType) & (WIRELESS_11G | WIRELESS_11_24N |          \
 178         SUPPORTED_5G_NETTYPE_MSK) ? true : false)
 179
 180#define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType)
 181#define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType)
 182#define IsSupportedRxMCS(NetType) IsEnableHWOFDM(NetType)
 183
 184#define IsSupportedTxCCK(NetType)                               \
 185        ((NetType) & (WIRELESS_11B) ? true : false)
 186#define IsSupportedTxOFDM(NetType)                              \
 187        ((NetType) & (WIRELESS_11G | WIRELESS_11A) ? true : false)
 188#define IsSupportedTxMCS(NetType)                               \
 189        ((NetType) & (WIRELESS_11_24N | WIRELESS_11_5N) ? true : false)
 190
 191struct ieee_param {
 192        u32 cmd;
 193        u8 sta_addr[ETH_ALEN];
 194        union {
 195                struct {
 196                        u8 name;
 197                        u32 value;
 198                } wpa_param;
 199                struct {
 200                        u32 len;
 201                        u8 reserved[32];
 202                        u8 data[0];
 203                } wpa_ie;
 204                struct {
 205                        int command;
 206                        int reason_code;
 207                } mlme;
 208                struct {
 209                        u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 210                        u8 set_tx;
 211                        u32 err;
 212                        u8 idx;
 213                        u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 214                        u16 key_len;
 215                        u8 key[0];
 216                } crypt;
 217#ifdef CONFIG_88EU_AP_MODE
 218                struct {
 219                        u16 aid;
 220                        u16 capability;
 221                        int flags;
 222                        u8 tx_supp_rates[16];
 223                        struct ieee80211_ht_cap ht_cap;
 224                } add_sta;
 225                struct {
 226                        u8      reserved[2];/* for set max_num_sta */
 227                        u8      buf[0];
 228                } bcn_ie;
 229#endif
 230
 231        } u;
 232};
 233
 234#ifdef CONFIG_88EU_AP_MODE
 235struct ieee_param_ex {
 236        u32 cmd;
 237        u8 sta_addr[ETH_ALEN];
 238        u8 data[0];
 239};
 240
 241struct sta_data {
 242        u16 aid;
 243        u16 capability;
 244        int flags;
 245        u32 sta_set;
 246        u8 tx_supp_rates[16];
 247        u32 tx_supp_rates_len;
 248        struct ieee80211_ht_cap ht_cap;
 249        u64     rx_pkts;
 250        u64     rx_bytes;
 251        u64     rx_drops;
 252        u64     tx_pkts;
 253        u64     tx_bytes;
 254        u64     tx_drops;
 255};
 256#endif
 257
 258#define IEEE80211_DATA_LEN              2304
 259/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 260 * 6.2.1.1.2.
 261
 262 * The figure in section 7.1.2 suggests a body size of up to 2312
 263 * bytes is allowed, which is a bit confusing, I suspect this
 264 * represents the 2304 bytes of real data, plus a possible 8 bytes of
 265 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
 266 */
 267
 268#define IEEE80211_HLEN                  30
 269#define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 270
 271/* this is stolen from ipw2200 driver */
 272#define IEEE_IBSS_MAC_HASH_SIZE 31
 273
 274enum eap_type {
 275        EAP_PACKET = 0,
 276        EAPOL_START,
 277        EAPOL_LOGOFF,
 278        EAPOL_KEY,
 279        EAPOL_ENCAP_ASF_ALERT
 280};
 281
 282#define IEEE80211_3ADDR_LEN 24
 283#define IEEE80211_4ADDR_LEN 30
 284#define IEEE80211_FCS_LEN    4
 285
 286#define MIN_FRAG_THRESHOLD     256U
 287#define MAX_FRAG_THRESHOLD     2346U
 288
 289/* sequence control field */
 290#define RTW_IEEE80211_SCTL_FRAG 0x000F
 291#define RTW_IEEE80211_SCTL_SEQ  0xFFF0
 292
 293#define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
 294#define RTW_ERP_INFO_USE_PROTECTION BIT(1)
 295#define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
 296
 297/* QoS, QOS */
 298#define NORMAL_ACK                      0
 299#define NO_ACK                          1
 300#define NON_EXPLICIT_ACK                2
 301#define BLOCK_ACK                       3
 302
 303#ifndef ETH_P_PAE
 304#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 305#endif /* ETH_P_PAE */
 306
 307#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 308
 309#define ETH_P_ECONET    0x0018
 310
 311#ifndef ETH_P_80211_RAW
 312#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 313#endif
 314
 315/* IEEE 802.11 defines */
 316
 317#define P80211_OUI_LEN 3
 318
 319struct ieee80211_snap_hdr {
 320        u8    dsap;   /* always 0xAA */
 321        u8    ssap;   /* always 0xAA */
 322        u8    ctrl;   /* always 0x03 */
 323        u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 324} __packed;
 325
 326#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 327
 328#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
 329
 330#define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
 331#define WLAN_GET_SEQ_SEQ(seq)  ((seq) & RTW_IEEE80211_SCTL_SEQ)
 332
 333/* Non standard?  Not in <linux/ieee80211.h> */
 334#define WLAN_REASON_EXPIRATION_CHK 65535
 335
 336#define IEEE80211_MGMT_HDR_LEN 24
 337#define IEEE80211_DATA_HDR3_LEN 24
 338#define IEEE80211_DATA_HDR4_LEN 30
 339
 340#define IEEE80211_CCK_MODULATION        BIT(0)
 341#define IEEE80211_OFDM_MODULATION       BIT(1)
 342
 343#define IEEE80211_24GHZ_BAND    BIT(0)
 344#define IEEE80211_52GHZ_BAND    BIT(1)
 345
 346#define IEEE80211_CCK_RATE_LEN                  4
 347#define IEEE80211_NUM_OFDM_RATESLEN     8
 348
 349#define IEEE80211_CCK_RATE_1MB                  0x02
 350#define IEEE80211_CCK_RATE_2MB                  0x04
 351#define IEEE80211_CCK_RATE_5MB                  0x0B
 352#define IEEE80211_CCK_RATE_11MB                 0x16
 353#define IEEE80211_OFDM_RATE_LEN                 8
 354#define IEEE80211_OFDM_RATE_6MB                 0x0C
 355#define IEEE80211_OFDM_RATE_9MB                 0x12
 356#define IEEE80211_OFDM_RATE_12MB                0x18
 357#define IEEE80211_OFDM_RATE_18MB                0x24
 358#define IEEE80211_OFDM_RATE_24MB                0x30
 359#define IEEE80211_OFDM_RATE_36MB                0x48
 360#define IEEE80211_OFDM_RATE_48MB                0x60
 361#define IEEE80211_OFDM_RATE_54MB                0x6C
 362#define IEEE80211_BASIC_RATE_MASK               0x80
 363
 364#define IEEE80211_CCK_RATE_1MB_MASK             BIT(0)
 365#define IEEE80211_CCK_RATE_2MB_MASK             BIT(1)
 366#define IEEE80211_CCK_RATE_5MB_MASK             BIT(2)
 367#define IEEE80211_CCK_RATE_11MB_MASK            BIT(3)
 368#define IEEE80211_OFDM_RATE_6MB_MASK            BIT(4)
 369#define IEEE80211_OFDM_RATE_9MB_MASK            BIT(5)
 370#define IEEE80211_OFDM_RATE_12MB_MASK           BIT(6)
 371#define IEEE80211_OFDM_RATE_18MB_MASK           BIT(7)
 372#define IEEE80211_OFDM_RATE_24MB_MASK           BIT(8)
 373#define IEEE80211_OFDM_RATE_36MB_MASK           BIT(9)
 374#define IEEE80211_OFDM_RATE_48MB_MASK           BIT(10)
 375#define IEEE80211_OFDM_RATE_54MB_MASK           BIT(11)
 376
 377#define IEEE80211_CCK_RATES_MASK                0x0000000F
 378#define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 379        IEEE80211_CCK_RATE_2MB_MASK)
 380#define IEEE80211_CCK_DEFAULT_RATES_MASK                                \
 381        (IEEE80211_CCK_BASIC_RATES_MASK |                               \
 382        IEEE80211_CCK_RATE_5MB_MASK |                                   \
 383        IEEE80211_CCK_RATE_11MB_MASK)
 384
 385#define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 386#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 387        IEEE80211_OFDM_RATE_12MB_MASK |                                 \
 388        IEEE80211_OFDM_RATE_24MB_MASK)
 389#define IEEE80211_OFDM_DEFAULT_RATES_MASK                               \
 390        (IEEE80211_OFDM_BASIC_RATES_MASK |                              \
 391        IEEE80211_OFDM_RATE_9MB_MASK  |                                 \
 392        IEEE80211_OFDM_RATE_18MB_MASK |                                 \
 393        IEEE80211_OFDM_RATE_36MB_MASK |                                 \
 394        IEEE80211_OFDM_RATE_48MB_MASK |                                 \
 395        IEEE80211_OFDM_RATE_54MB_MASK)
 396
 397#define IEEE80211_NUM_OFDM_RATES        8
 398#define IEEE80211_NUM_CCK_RATES         4
 399#define IEEE80211_OFDM_SHIFT_MASK_A     4
 400
 401/* IEEE 802.11 requires that STA supports concurrent reception of at least
 402 * three fragmented frames. This define can be increased to support more
 403 * concurrent frames, but it should be noted that each entry can consume about
 404 * 2 kB of RAM and increasing cache size will slow down frame reassembly.
 405 */
 406#define IEEE80211_FRAG_CACHE_LEN 4
 407
 408#define SEC_KEY_1       BIT(0)
 409#define SEC_KEY_2       BIT(1)
 410#define SEC_KEY_3       BIT(2)
 411#define SEC_KEY_4       BIT(3)
 412#define SEC_ACTIVE_KEY  BIT(4)
 413#define SEC_AUTH_MODE   BIT(5)
 414#define SEC_UNICAST_GROUP BIT(6)
 415#define SEC_LEVEL       BIT(7)
 416#define SEC_ENABLED     BIT(8)
 417
 418#define SEC_LEVEL_0      0 /* None */
 419#define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 420#define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 421#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 422#define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 423
 424#define WEP_KEYS 4
 425#define WEP_KEY_LEN 13
 426
 427/* SWEEP TABLE ENTRIES NUMBER*/
 428#define MAX_SWEEP_TAB_ENTRIES             42
 429#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 430/* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 431 * only use 8, and then use extended rates for the remaining supported
 432 * rates.  Other APs, however, stick all of their supported rates on the
 433 * main rates information element...
 434 */
 435#define MAX_RATES_LENGTH                ((u8)12)
 436#define MAX_RATES_EX_LENGTH             ((u8)16)
 437#define MAX_NETWORK_COUNT               128
 438#define MAX_CHANNEL_NUMBER              161
 439#define IEEE80211_SOFTMAC_SCAN_TIME     400
 440/* HZ / 2) */
 441#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 442
 443#define CRC_LENGTH               4U
 444
 445#define MAX_WPA_IE_LEN (256)
 446#define MAX_WPS_IE_LEN (512)
 447#define MAX_P2P_IE_LEN (256)
 448#define MAX_WFD_IE_LEN (128)
 449
 450#define NETWORK_EMPTY_ESSID     BIT(0)
 451#define NETWORK_HAS_OFDM        BIT(1)
 452#define NETWORK_HAS_CCK         BIT(2)
 453
 454#define IW_ESSID_MAX_SIZE 32
 455/*
 456 * join_res:
 457 * -1: authentication fail
 458 * -2: association fail
 459 * > 0: TID
 460 */
 461
 462enum ieee80211_state {
 463        /* the card is not linked at all */
 464        IEEE80211_NOLINK = 0,
 465
 466        /* IEEE80211_ASSOCIATING* are for BSS client mode
 467         * the driver shall not perform RX filtering unless
 468         * the state is LINKED.
 469         * The driver shall just check for the state LINKED and
 470         * defaults to NOLINK for ALL the other states (including
 471         * LINKED_SCANNING)
 472         */
 473
 474        /* the association procedure will start (wq scheduling)*/
 475        IEEE80211_ASSOCIATING,
 476        IEEE80211_ASSOCIATING_RETRY,
 477
 478        /* the association procedure is sending AUTH request*/
 479        IEEE80211_ASSOCIATING_AUTHENTICATING,
 480
 481        /* the association procedure has successfully authentcated
 482         * and is sending association request
 483         */
 484        IEEE80211_ASSOCIATING_AUTHENTICATED,
 485
 486        /* the link is ok. the card associated to a BSS or linked
 487         * to a ibss cell or acting as an AP and creating the bss
 488         */
 489        IEEE80211_LINKED,
 490
 491        /* same as LINKED, but the driver shall apply RX filter
 492         * rules as we are in NO_LINK mode. As the card is still
 493         * logically linked, but it is doing a syncro site survey
 494         * then it will be back to LINKED state.
 495         */
 496        IEEE80211_LINKED_SCANNING,
 497
 498};
 499
 500#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 501#define DEFAULT_FTS 2346
 502
 503#define CFG_IEEE80211_RESERVE_FCS       BIT(0)
 504#define CFG_IEEE80211_COMPUTE_FCS       BIT(1)
 505
 506#define MAXTID  16
 507
 508#define IEEE_A      BIT(0)
 509#define IEEE_B      BIT(1)
 510#define IEEE_G      BIT(2)
 511#define IEEE_MODE_MASK    (IEEE_A | IEEE_B | IEEE_G)
 512
 513/* Action category code */
 514enum rtw_ieee80211_category {
 515        RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
 516        RTW_WLAN_CATEGORY_QOS = 1,
 517        RTW_WLAN_CATEGORY_DLS = 2,
 518        RTW_WLAN_CATEGORY_BACK = 3,
 519        RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
 520        RTW_WLAN_CATEGORY_RADIO_MEASUREMENT  = 5,
 521        RTW_WLAN_CATEGORY_FT = 6,
 522        RTW_WLAN_CATEGORY_HT = 7,
 523        RTW_WLAN_CATEGORY_SA_QUERY = 8,
 524        RTW_WLAN_CATEGORY_TDLS = 12,
 525        RTW_WLAN_CATEGORY_WMM = 17,
 526        RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
 527};
 528
 529enum _PUBLIC_ACTION {
 530        ACT_PUBLIC_BSSCOEXIST = 0, /*  20/40 BSS Coexistence */
 531        ACT_PUBLIC_DSE_ENABLE = 1,
 532        ACT_PUBLIC_DSE_DEENABLE = 2,
 533        ACT_PUBLIC_DSE_REG_LOCATION = 3,
 534        ACT_PUBLIC_EXT_CHL_SWITCH = 4,
 535        ACT_PUBLIC_DSE_MSR_REQ = 5,
 536        ACT_PUBLIC_DSE_MSR_RPRT = 6,
 537        ACT_PUBLIC_MP = 7, /*  Measurement Pilot */
 538        ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
 539        ACT_PUBLIC_VENDOR = 9, /*  for WIFI_DIRECT */
 540        ACT_PUBLIC_GAS_INITIAL_REQ = 10,
 541        ACT_PUBLIC_GAS_INITIAL_RSP = 11,
 542        ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
 543        ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
 544        ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
 545        ACT_PUBLIC_LOCATION_TRACK = 15,
 546        ACT_PUBLIC_MAX
 547};
 548
 549/* HT features action code */
 550enum rtw_ieee80211_ht_actioncode {
 551        RTW_WLAN_ACTION_NOTIFY_CH_WIDTH = 0,
 552        RTW_WLAN_ACTION_SM_PS = 1,
 553        RTW_WLAN_ACTION_PSPM = 2,
 554        RTW_WLAN_ACTION_PCO_PHASE = 3,
 555        RTW_WLAN_ACTION_MIMO_CSI_MX = 4,
 556        RTW_WLAN_ACTION_MIMO_NONCP_BF = 5,
 557        RTW_WLAN_ACTION_MIMP_CP_BF = 6,
 558        RTW_WLAN_ACTION_ASEL_INDICATES_FB = 7,
 559        RTW_WLAN_ACTION_HI_INFO_EXCHG = 8,
 560};
 561
 562#define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
 563                                * 00:50:F2
 564                                */
 565#define WME_OUI_TYPE 2
 566#define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
 567#define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
 568#define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
 569#define WME_VERSION 1
 570
 571#define WME_ACTION_CODE_SETUP_REQUEST 0
 572#define WME_ACTION_CODE_SETUP_RESPONSE 1
 573#define WME_ACTION_CODE_TEARDOWN 2
 574
 575#define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
 576#define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
 577#define WME_SETUP_RESPONSE_STATUS_REFUSED 3
 578
 579#define WME_TSPEC_DIRECTION_UPLINK 0
 580#define WME_TSPEC_DIRECTION_DOWNLINK 1
 581#define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
 582
 583#define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
 584
 585#define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
 586
 587/**
 588 * enum rtw_ieee80211_channel_flags - channel flags
 589 *
 590 * Channel flags set by the regulatory control code.
 591 *
 592 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
 593 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
 594 *      on this channel.
 595 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
 596 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
 597 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
 598 *      is not permitted.
 599 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
 600 *      is not permitted.
 601 */
 602enum rtw_ieee80211_channel_flags {
 603        RTW_IEEE80211_CHAN_DISABLED      = BIT(0),
 604        RTW_IEEE80211_CHAN_PASSIVE_SCAN     = BIT(1),
 605        RTW_IEEE80211_CHAN_NO_IBSS        = BIT(2),
 606        RTW_IEEE80211_CHAN_RADAR            = BIT(3),
 607        RTW_IEEE80211_CHAN_NO_HT40PLUS      = BIT(4),
 608        RTW_IEEE80211_CHAN_NO_HT40MINUS     = BIT(5),
 609};
 610
 611#define RTW_IEEE80211_CHAN_NO_HT40 \
 612          (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
 613
 614/* Represent channel details, subset of ieee80211_channel */
 615struct rtw_ieee80211_channel {
 616        u16 hw_value;
 617        u32 flags;
 618};
 619
 620#define CHAN_FMT \
 621        "hw_value:%u, " \
 622        "flags:0x%08x" \
 623
 624#define CHAN_ARG(channel) \
 625        (channel)->hw_value \
 626        , (channel)->flags \
 627
 628/* Parsed Information Elements */
 629struct rtw_ieee802_11_elems {
 630        u8 *ssid;
 631        u8 ssid_len;
 632        u8 *supp_rates;
 633        u8 supp_rates_len;
 634        u8 *fh_params;
 635        u8 fh_params_len;
 636        u8 *ds_params;
 637        u8 ds_params_len;
 638        u8 *cf_params;
 639        u8 cf_params_len;
 640        u8 *tim;
 641        u8 tim_len;
 642        u8 *ibss_params;
 643        u8 ibss_params_len;
 644        u8 *challenge;
 645        u8 challenge_len;
 646        u8 *erp_info;
 647        u8 erp_info_len;
 648        u8 *ext_supp_rates;
 649        u8 ext_supp_rates_len;
 650        u8 *wpa_ie;
 651        u8 wpa_ie_len;
 652        u8 *rsn_ie;
 653        u8 rsn_ie_len;
 654        u8 *wme;
 655        u8 wme_len;
 656        u8 *wme_tspec;
 657        u8 wme_tspec_len;
 658        u8 *wps_ie;
 659        u8 wps_ie_len;
 660        u8 *power_cap;
 661        u8 power_cap_len;
 662        u8 *supp_channels;
 663        u8 supp_channels_len;
 664        u8 *mdie;
 665        u8 mdie_len;
 666        u8 *ftie;
 667        u8 ftie_len;
 668        u8 *timeout_int;
 669        u8 timeout_int_len;
 670        u8 *ht_capabilities;
 671        u8 ht_capabilities_len;
 672        u8 *ht_operation;
 673        u8 ht_operation_len;
 674        u8 *vendor_ht_cap;
 675        u8 vendor_ht_cap_len;
 676};
 677
 678enum parse_res {
 679        ParseOK = 0,
 680        ParseUnknown = 1,
 681        ParseFailed = -1
 682};
 683
 684enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len,
 685                                          struct rtw_ieee802_11_elems *elems,
 686                                          int show_errors);
 687
 688u8 *rtw_set_fixed_ie(void *pbuf, unsigned int len,
 689                     void *source, unsigned int *frlen);
 690u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen);
 691
 692enum secondary_ch_offset {
 693        SCN = 0, /* no secondary channel */
 694        SCA = 1, /* secondary channel above */
 695        SCB = 3,  /* secondary channel below */
 696};
 697
 698u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit);
 699
 700void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
 701
 702unsigned char *rtw_get_wpa_ie(unsigned char *pie, uint *wpa_ie_len, int limit);
 703unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit);
 704int rtw_get_wpa_cipher_suite(u8 *s);
 705int rtw_get_wpa2_cipher_suite(u8 *s);
 706int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
 707int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 708                     int *pairwise_cipher, int *is_8021x);
 709int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 710                      int *pairwise_cipher, int *is_8021x);
 711
 712void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
 713                    u8 *wpa_ie, u16 *wpa_len);
 714
 715u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
 716u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
 717u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
 718                     u8 *buf_attr, u32 *len_attr);
 719u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
 720                             u8 *buf_content, uint *len_content);
 721
 722uint    rtw_get_rateset_len(u8  *rateset);
 723
 724struct registry_priv;
 725int rtw_generate_ie(struct registry_priv *pregistrypriv);
 726
 727int rtw_get_bit_value_from_ieee_value(u8 val);
 728
 729bool rtw_is_cckrates_included(u8 *rate);
 730
 731bool rtw_is_cckratesonly_included(u8 *rate);
 732
 733int rtw_check_network_type(unsigned char *rate);
 734
 735void rtw_get_bcn_info(struct wlan_network *pnetwork);
 736
 737void rtw_macaddr_cfg(u8 *mac_addr);
 738
 739u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
 740                 unsigned char *MCS_rate);
 741
 742#endif /* IEEE80211_H */
 743