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
  94#define IEEE_CRYPT_ALG_NAME_LEN                 16
  95
  96#define WPA_CIPHER_NONE         BIT(0)
  97#define WPA_CIPHER_WEP40        BIT(1)
  98#define WPA_CIPHER_WEP104 BIT(2)
  99#define WPA_CIPHER_TKIP         BIT(3)
 100#define WPA_CIPHER_CCMP         BIT(4)
 101
 102
 103
 104#define WPA_SELECTOR_LEN 4
 105extern u8 RTW_WPA_OUI_TYPE[];
 106extern u8 WPA_AUTH_KEY_MGMT_NONE[];
 107extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
 108extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
 109extern u8 WPA_CIPHER_SUITE_NONE[];
 110extern u8 WPA_CIPHER_SUITE_WEP40[];
 111extern u8 WPA_CIPHER_SUITE_TKIP[];
 112extern u8 WPA_CIPHER_SUITE_WRAP[];
 113extern u8 WPA_CIPHER_SUITE_CCMP[];
 114extern u8 WPA_CIPHER_SUITE_WEP104[];
 115
 116
 117#define RSN_HEADER_LEN 4
 118#define RSN_SELECTOR_LEN 4
 119
 120extern u16 RSN_VERSION_BSD;
 121extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
 122extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
 123extern u8 RSN_CIPHER_SUITE_NONE[];
 124extern u8 RSN_CIPHER_SUITE_WEP40[];
 125extern u8 RSN_CIPHER_SUITE_TKIP[];
 126extern u8 RSN_CIPHER_SUITE_WRAP[];
 127extern u8 RSN_CIPHER_SUITE_CCMP[];
 128extern u8 RSN_CIPHER_SUITE_WEP104[];
 129
 130enum ratr_table_mode {
 131        RATR_INX_WIRELESS_NGB = 0,      /*  BGN 40 Mhz 2SS 1SS */
 132        RATR_INX_WIRELESS_NG = 1,       /*  GN or N */
 133        RATR_INX_WIRELESS_NB = 2,       /*  BGN 20 Mhz 2SS 1SS  or BN */
 134        RATR_INX_WIRELESS_N = 3,
 135        RATR_INX_WIRELESS_GB = 4,
 136        RATR_INX_WIRELESS_G = 5,
 137        RATR_INX_WIRELESS_B = 6,
 138        RATR_INX_WIRELESS_MC = 7,
 139        RATR_INX_WIRELESS_AC_N = 8,
 140};
 141
 142enum NETWORK_TYPE {
 143        WIRELESS_INVALID = 0,
 144        /* Sub-Element */
 145        WIRELESS_11B = BIT(0), /* tx:cck only, rx:cck only, hw: cck */
 146        WIRELESS_11G = BIT(1), /* tx:ofdm only, rx:ofdm & cck, hw:cck & ofdm*/
 147        WIRELESS_11A = BIT(2), /* tx:ofdm only, rx: ofdm only, hw:ofdm only */
 148        WIRELESS_11_24N = BIT(3), /* tx:MCS only, rx:MCS & cck, hw:MCS & cck */
 149        WIRELESS_11_5N = BIT(4), /* tx:MCS only, rx:MCS & ofdm, hw:ofdm only */
 150        WIRELESS_AC             = BIT(6),
 151
 152        /* Combination */
 153        /*  tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
 154        WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G),
 155        /*  tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
 156        WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N),
 157        /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
 158        WIRELESS_11A_5N = (WIRELESS_11A | WIRELESS_11_5N),
 159        /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
 160        WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N),
 161        /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
 162        WIRELESS_11AGN = (WIRELESS_11A | WIRELESS_11G | WIRELESS_11_24N |
 163                          WIRELESS_11_5N),
 164        WIRELESS_11ABGN = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G |
 165                           WIRELESS_11_24N | WIRELESS_11_5N),
 166};
 167
 168#define SUPPORTED_24G_NETTYPE_MSK                               \
 169         (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
 170#define SUPPORTED_5G_NETTYPE_MSK                                \
 171         (WIRELESS_11A | WIRELESS_11_5N)
 172
 173#define IsSupported24G(NetType)                                 \
 174        ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
 175#define IsSupported5G(NetType)                                  \
 176        ((NetType) & SUPPORTED_5G_NETTYPE_MSK ? true : false)
 177
 178#define IsEnableHWCCK(NetType)                                  \
 179        IsSupported24G(NetType)
 180#define IsEnableHWOFDM(NetType)                                 \
 181        ((NetType) & (WIRELESS_11G | WIRELESS_11_24N |          \
 182         SUPPORTED_5G_NETTYPE_MSK) ? true : false)
 183
 184#define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType)
 185#define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType)
 186#define IsSupportedRxMCS(NetType) IsEnableHWOFDM(NetType)
 187
 188#define IsSupportedTxCCK(NetType)                               \
 189        ((NetType) & (WIRELESS_11B) ? true : false)
 190#define IsSupportedTxOFDM(NetType)                              \
 191        ((NetType) & (WIRELESS_11G | WIRELESS_11A) ? true : false)
 192#define IsSupportedTxMCS(NetType)                               \
 193        ((NetType) & (WIRELESS_11_24N | WIRELESS_11_5N) ? true : false)
 194
 195
 196struct ieee_param {
 197        u32 cmd;
 198        u8 sta_addr[ETH_ALEN];
 199        union {
 200                struct {
 201                        u8 name;
 202                        u32 value;
 203                } wpa_param;
 204                struct {
 205                        u32 len;
 206                        u8 reserved[32];
 207                        u8 data[0];
 208                } wpa_ie;
 209                struct {
 210                        int command;
 211                        int reason_code;
 212                } mlme;
 213                struct {
 214                        u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 215                        u8 set_tx;
 216                        u32 err;
 217                        u8 idx;
 218                        u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 219                        u16 key_len;
 220                        u8 key[0];
 221                } crypt;
 222#ifdef CONFIG_88EU_AP_MODE
 223                struct {
 224                        u16 aid;
 225                        u16 capability;
 226                        int flags;
 227                        u8 tx_supp_rates[16];
 228                        struct ieee80211_ht_cap ht_cap;
 229                } add_sta;
 230                struct {
 231                        u8      reserved[2];/* for set max_num_sta */
 232                        u8      buf[0];
 233                } bcn_ie;
 234#endif
 235
 236        } u;
 237};
 238
 239#ifdef CONFIG_88EU_AP_MODE
 240struct ieee_param_ex {
 241        u32 cmd;
 242        u8 sta_addr[ETH_ALEN];
 243        u8 data[0];
 244};
 245
 246struct sta_data {
 247        u16 aid;
 248        u16 capability;
 249        int flags;
 250        u32 sta_set;
 251        u8 tx_supp_rates[16];
 252        u32 tx_supp_rates_len;
 253        struct ieee80211_ht_cap ht_cap;
 254        u64     rx_pkts;
 255        u64     rx_bytes;
 256        u64     rx_drops;
 257        u64     tx_pkts;
 258        u64     tx_bytes;
 259        u64     tx_drops;
 260};
 261#endif
 262
 263#define IEEE80211_DATA_LEN              2304
 264/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 265 * 6.2.1.1.2.
 266
 267 * The figure in section 7.1.2 suggests a body size of up to 2312
 268 * bytes is allowed, which is a bit confusing, I suspect this
 269 * represents the 2304 bytes of real data, plus a possible 8 bytes of
 270 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
 271 */
 272
 273
 274#define IEEE80211_HLEN                  30
 275#define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 276
 277
 278/* this is stolen from ipw2200 driver */
 279#define IEEE_IBSS_MAC_HASH_SIZE 31
 280
 281enum eap_type {
 282        EAP_PACKET = 0,
 283        EAPOL_START,
 284        EAPOL_LOGOFF,
 285        EAPOL_KEY,
 286        EAPOL_ENCAP_ASF_ALERT
 287};
 288
 289#define IEEE80211_3ADDR_LEN 24
 290#define IEEE80211_4ADDR_LEN 30
 291#define IEEE80211_FCS_LEN    4
 292
 293#define MIN_FRAG_THRESHOLD     256U
 294#define MAX_FRAG_THRESHOLD     2346U
 295
 296/* sequence control field */
 297#define RTW_IEEE80211_SCTL_FRAG 0x000F
 298#define RTW_IEEE80211_SCTL_SEQ  0xFFF0
 299
 300
 301#define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
 302#define RTW_ERP_INFO_USE_PROTECTION BIT(1)
 303#define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
 304
 305/* QoS, QOS */
 306#define NORMAL_ACK                      0
 307#define NO_ACK                          1
 308#define NON_EXPLICIT_ACK                2
 309#define BLOCK_ACK                       3
 310
 311#ifndef ETH_P_PAE
 312#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 313#endif /* ETH_P_PAE */
 314
 315#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 316
 317#define ETH_P_ECONET    0x0018
 318
 319#ifndef ETH_P_80211_RAW
 320#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 321#endif
 322
 323/* IEEE 802.11 defines */
 324
 325#define P80211_OUI_LEN 3
 326
 327struct ieee80211_snap_hdr {
 328        u8    dsap;   /* always 0xAA */
 329        u8    ssap;   /* always 0xAA */
 330        u8    ctrl;   /* always 0x03 */
 331        u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 332} __packed;
 333
 334#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 335
 336#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
 337
 338#define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
 339#define WLAN_GET_SEQ_SEQ(seq)  ((seq) & RTW_IEEE80211_SCTL_SEQ)
 340
 341/* Non standard?  Not in <linux/ieee80211.h> */
 342#define WLAN_REASON_EXPIRATION_CHK 65535
 343
 344#define IEEE80211_MGMT_HDR_LEN 24
 345#define IEEE80211_DATA_HDR3_LEN 24
 346#define IEEE80211_DATA_HDR4_LEN 30
 347
 348#define IEEE80211_CCK_MODULATION        BIT(0)
 349#define IEEE80211_OFDM_MODULATION       BIT(1)
 350
 351#define IEEE80211_24GHZ_BAND    BIT(0)
 352#define IEEE80211_52GHZ_BAND    BIT(1)
 353
 354#define IEEE80211_CCK_RATE_LEN                  4
 355#define IEEE80211_NUM_OFDM_RATESLEN     8
 356
 357
 358#define IEEE80211_CCK_RATE_1MB                  0x02
 359#define IEEE80211_CCK_RATE_2MB                  0x04
 360#define IEEE80211_CCK_RATE_5MB                  0x0B
 361#define IEEE80211_CCK_RATE_11MB                 0x16
 362#define IEEE80211_OFDM_RATE_LEN                 8
 363#define IEEE80211_OFDM_RATE_6MB                 0x0C
 364#define IEEE80211_OFDM_RATE_9MB                 0x12
 365#define IEEE80211_OFDM_RATE_12MB                0x18
 366#define IEEE80211_OFDM_RATE_18MB                0x24
 367#define IEEE80211_OFDM_RATE_24MB                0x30
 368#define IEEE80211_OFDM_RATE_36MB                0x48
 369#define IEEE80211_OFDM_RATE_48MB                0x60
 370#define IEEE80211_OFDM_RATE_54MB                0x6C
 371#define IEEE80211_BASIC_RATE_MASK               0x80
 372
 373#define IEEE80211_CCK_RATE_1MB_MASK             BIT(0)
 374#define IEEE80211_CCK_RATE_2MB_MASK             BIT(1)
 375#define IEEE80211_CCK_RATE_5MB_MASK             BIT(2)
 376#define IEEE80211_CCK_RATE_11MB_MASK            BIT(3)
 377#define IEEE80211_OFDM_RATE_6MB_MASK            BIT(4)
 378#define IEEE80211_OFDM_RATE_9MB_MASK            BIT(5)
 379#define IEEE80211_OFDM_RATE_12MB_MASK           BIT(6)
 380#define IEEE80211_OFDM_RATE_18MB_MASK           BIT(7)
 381#define IEEE80211_OFDM_RATE_24MB_MASK           BIT(8)
 382#define IEEE80211_OFDM_RATE_36MB_MASK           BIT(9)
 383#define IEEE80211_OFDM_RATE_48MB_MASK           BIT(10)
 384#define IEEE80211_OFDM_RATE_54MB_MASK           BIT(11)
 385
 386#define IEEE80211_CCK_RATES_MASK                0x0000000F
 387#define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 388        IEEE80211_CCK_RATE_2MB_MASK)
 389#define IEEE80211_CCK_DEFAULT_RATES_MASK                                \
 390        (IEEE80211_CCK_BASIC_RATES_MASK |                               \
 391        IEEE80211_CCK_RATE_5MB_MASK |                                   \
 392        IEEE80211_CCK_RATE_11MB_MASK)
 393
 394#define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 395#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 396        IEEE80211_OFDM_RATE_12MB_MASK |                                 \
 397        IEEE80211_OFDM_RATE_24MB_MASK)
 398#define IEEE80211_OFDM_DEFAULT_RATES_MASK                               \
 399        (IEEE80211_OFDM_BASIC_RATES_MASK |                              \
 400        IEEE80211_OFDM_RATE_9MB_MASK  |                                 \
 401        IEEE80211_OFDM_RATE_18MB_MASK |                                 \
 402        IEEE80211_OFDM_RATE_36MB_MASK |                                 \
 403        IEEE80211_OFDM_RATE_48MB_MASK |                                 \
 404        IEEE80211_OFDM_RATE_54MB_MASK)
 405
 406#define IEEE80211_NUM_OFDM_RATES        8
 407#define IEEE80211_NUM_CCK_RATES         4
 408#define IEEE80211_OFDM_SHIFT_MASK_A     4
 409
 410/* IEEE 802.11 requires that STA supports concurrent reception of at least
 411 * three fragmented frames. This define can be increased to support more
 412 * concurrent frames, but it should be noted that each entry can consume about
 413 * 2 kB of RAM and increasing cache size will slow down frame reassembly.
 414 */
 415#define IEEE80211_FRAG_CACHE_LEN 4
 416
 417#define SEC_KEY_1       BIT(0)
 418#define SEC_KEY_2       BIT(1)
 419#define SEC_KEY_3       BIT(2)
 420#define SEC_KEY_4       BIT(3)
 421#define SEC_ACTIVE_KEY  BIT(4)
 422#define SEC_AUTH_MODE   BIT(5)
 423#define SEC_UNICAST_GROUP BIT(6)
 424#define SEC_LEVEL       BIT(7)
 425#define SEC_ENABLED     BIT(8)
 426
 427#define SEC_LEVEL_0      0 /* None */
 428#define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 429#define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 430#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 431#define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 432
 433#define WEP_KEYS 4
 434#define WEP_KEY_LEN 13
 435
 436/* SWEEP TABLE ENTRIES NUMBER*/
 437#define MAX_SWEEP_TAB_ENTRIES             42
 438#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 439/* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 440 * only use 8, and then use extended rates for the remaining supported
 441 * rates.  Other APs, however, stick all of their supported rates on the
 442 * main rates information element...
 443 */
 444#define MAX_RATES_LENGTH                ((u8)12)
 445#define MAX_RATES_EX_LENGTH             ((u8)16)
 446#define MAX_NETWORK_COUNT               128
 447#define MAX_CHANNEL_NUMBER              161
 448#define IEEE80211_SOFTMAC_SCAN_TIME     400
 449/* HZ / 2) */
 450#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 451
 452#define CRC_LENGTH               4U
 453
 454#define MAX_WPA_IE_LEN (256)
 455#define MAX_WPS_IE_LEN (512)
 456#define MAX_P2P_IE_LEN (256)
 457#define MAX_WFD_IE_LEN (128)
 458
 459#define NETWORK_EMPTY_ESSID     BIT(0)
 460#define NETWORK_HAS_OFDM        BIT(1)
 461#define NETWORK_HAS_CCK         BIT(2)
 462
 463#define IW_ESSID_MAX_SIZE 32
 464/*
 465 * join_res:
 466 * -1: authentication fail
 467 * -2: association fail
 468 * > 0: TID
 469 */
 470
 471enum ieee80211_state {
 472        /* the card is not linked at all */
 473        IEEE80211_NOLINK = 0,
 474
 475        /* IEEE80211_ASSOCIATING* are for BSS client mode
 476         * the driver shall not perform RX filtering unless
 477         * the state is LINKED.
 478         * The driver shall just check for the state LINKED and
 479         * defaults to NOLINK for ALL the other states (including
 480         * LINKED_SCANNING)
 481         */
 482
 483        /* the association procedure will start (wq scheduling)*/
 484        IEEE80211_ASSOCIATING,
 485        IEEE80211_ASSOCIATING_RETRY,
 486
 487        /* the association procedure is sending AUTH request*/
 488        IEEE80211_ASSOCIATING_AUTHENTICATING,
 489
 490        /* the association procedure has successfully authentcated
 491         * and is sending association request
 492         */
 493        IEEE80211_ASSOCIATING_AUTHENTICATED,
 494
 495        /* the link is ok. the card associated to a BSS or linked
 496         * to a ibss cell or acting as an AP and creating the bss
 497         */
 498        IEEE80211_LINKED,
 499
 500        /* same as LINKED, but the driver shall apply RX filter
 501         * rules as we are in NO_LINK mode. As the card is still
 502         * logically linked, but it is doing a syncro site survey
 503         * then it will be back to LINKED state.
 504         */
 505        IEEE80211_LINKED_SCANNING,
 506
 507};
 508
 509#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 510#define DEFAULT_FTS 2346
 511
 512#define CFG_IEEE80211_RESERVE_FCS       BIT(0)
 513#define CFG_IEEE80211_COMPUTE_FCS       BIT(1)
 514
 515#define MAXTID  16
 516
 517#define IEEE_A      BIT(0)
 518#define IEEE_B      BIT(1)
 519#define IEEE_G      BIT(2)
 520#define IEEE_MODE_MASK    (IEEE_A | IEEE_B | IEEE_G)
 521
 522/* Action category code */
 523enum rtw_ieee80211_category {
 524        RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
 525        RTW_WLAN_CATEGORY_QOS = 1,
 526        RTW_WLAN_CATEGORY_DLS = 2,
 527        RTW_WLAN_CATEGORY_BACK = 3,
 528        RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
 529        RTW_WLAN_CATEGORY_RADIO_MEASUREMENT  = 5,
 530        RTW_WLAN_CATEGORY_FT = 6,
 531        RTW_WLAN_CATEGORY_HT = 7,
 532        RTW_WLAN_CATEGORY_SA_QUERY = 8,
 533        RTW_WLAN_CATEGORY_TDLS = 12,
 534        RTW_WLAN_CATEGORY_WMM = 17,
 535        RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
 536};
 537
 538/* SPECTRUM_MGMT action code */
 539enum rtw_ieee80211_spectrum_mgmt_actioncode {
 540        RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
 541        RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
 542        RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
 543        RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
 544        RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
 545        RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
 546};
 547
 548enum _PUBLIC_ACTION {
 549        ACT_PUBLIC_BSSCOEXIST = 0, /*  20/40 BSS Coexistence */
 550        ACT_PUBLIC_DSE_ENABLE = 1,
 551        ACT_PUBLIC_DSE_DEENABLE = 2,
 552        ACT_PUBLIC_DSE_REG_LOCATION = 3,
 553        ACT_PUBLIC_EXT_CHL_SWITCH = 4,
 554        ACT_PUBLIC_DSE_MSR_REQ = 5,
 555        ACT_PUBLIC_DSE_MSR_RPRT = 6,
 556        ACT_PUBLIC_MP = 7, /*  Measurement Pilot */
 557        ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
 558        ACT_PUBLIC_VENDOR = 9, /*  for WIFI_DIRECT */
 559        ACT_PUBLIC_GAS_INITIAL_REQ = 10,
 560        ACT_PUBLIC_GAS_INITIAL_RSP = 11,
 561        ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
 562        ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
 563        ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
 564        ACT_PUBLIC_LOCATION_TRACK = 15,
 565        ACT_PUBLIC_MAX
 566};
 567
 568/* BACK action code */
 569enum rtw_ieee80211_back_actioncode {
 570        RTW_WLAN_ACTION_ADDBA_REQ = 0,
 571        RTW_WLAN_ACTION_ADDBA_RESP = 1,
 572        RTW_WLAN_ACTION_DELBA = 2,
 573};
 574
 575/* HT features action code */
 576enum rtw_ieee80211_ht_actioncode {
 577        RTW_WLAN_ACTION_NOTIFY_CH_WIDTH = 0,
 578        RTW_WLAN_ACTION_SM_PS = 1,
 579        RTW_WLAN_ACTION_PSPM = 2,
 580        RTW_WLAN_ACTION_PCO_PHASE = 3,
 581        RTW_WLAN_ACTION_MIMO_CSI_MX = 4,
 582        RTW_WLAN_ACTION_MIMO_NONCP_BF = 5,
 583        RTW_WLAN_ACTION_MIMP_CP_BF = 6,
 584        RTW_WLAN_ACTION_ASEL_INDICATES_FB = 7,
 585        RTW_WLAN_ACTION_HI_INFO_EXCHG = 8,
 586};
 587
 588/* BACK (block-ack) parties */
 589enum rtw_ieee80211_back_parties {
 590        RTW_WLAN_BACK_RECIPIENT = 0,
 591        RTW_WLAN_BACK_INITIATOR = 1,
 592        RTW_WLAN_BACK_TIMER = 2,
 593};
 594
 595#define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
 596                                * 00:50:F2
 597                                */
 598#define WME_OUI_TYPE 2
 599#define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
 600#define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
 601#define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
 602#define WME_VERSION 1
 603
 604#define WME_ACTION_CODE_SETUP_REQUEST 0
 605#define WME_ACTION_CODE_SETUP_RESPONSE 1
 606#define WME_ACTION_CODE_TEARDOWN 2
 607
 608#define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
 609#define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
 610#define WME_SETUP_RESPONSE_STATUS_REFUSED 3
 611
 612#define WME_TSPEC_DIRECTION_UPLINK 0
 613#define WME_TSPEC_DIRECTION_DOWNLINK 1
 614#define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
 615
 616
 617#define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
 618
 619#define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
 620
 621/**
 622 * enum rtw_ieee80211_channel_flags - channel flags
 623 *
 624 * Channel flags set by the regulatory control code.
 625 *
 626 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
 627 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
 628 *      on this channel.
 629 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
 630 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
 631 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
 632 *      is not permitted.
 633 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
 634 *      is not permitted.
 635 */
 636enum rtw_ieee80211_channel_flags {
 637        RTW_IEEE80211_CHAN_DISABLED      = BIT(0),
 638        RTW_IEEE80211_CHAN_PASSIVE_SCAN     = BIT(1),
 639        RTW_IEEE80211_CHAN_NO_IBSS        = BIT(2),
 640        RTW_IEEE80211_CHAN_RADAR            = BIT(3),
 641        RTW_IEEE80211_CHAN_NO_HT40PLUS      = BIT(4),
 642        RTW_IEEE80211_CHAN_NO_HT40MINUS     = BIT(5),
 643};
 644
 645#define RTW_IEEE80211_CHAN_NO_HT40 \
 646          (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
 647
 648/* Represent channel details, subset of ieee80211_channel */
 649struct rtw_ieee80211_channel {
 650        u16 hw_value;
 651        u32 flags;
 652};
 653
 654#define CHAN_FMT \
 655        "hw_value:%u, " \
 656        "flags:0x%08x" \
 657
 658#define CHAN_ARG(channel) \
 659        (channel)->hw_value \
 660        , (channel)->flags \
 661
 662/* Parsed Information Elements */
 663struct rtw_ieee802_11_elems {
 664        u8 *ssid;
 665        u8 ssid_len;
 666        u8 *supp_rates;
 667        u8 supp_rates_len;
 668        u8 *fh_params;
 669        u8 fh_params_len;
 670        u8 *ds_params;
 671        u8 ds_params_len;
 672        u8 *cf_params;
 673        u8 cf_params_len;
 674        u8 *tim;
 675        u8 tim_len;
 676        u8 *ibss_params;
 677        u8 ibss_params_len;
 678        u8 *challenge;
 679        u8 challenge_len;
 680        u8 *erp_info;
 681        u8 erp_info_len;
 682        u8 *ext_supp_rates;
 683        u8 ext_supp_rates_len;
 684        u8 *wpa_ie;
 685        u8 wpa_ie_len;
 686        u8 *rsn_ie;
 687        u8 rsn_ie_len;
 688        u8 *wme;
 689        u8 wme_len;
 690        u8 *wme_tspec;
 691        u8 wme_tspec_len;
 692        u8 *wps_ie;
 693        u8 wps_ie_len;
 694        u8 *power_cap;
 695        u8 power_cap_len;
 696        u8 *supp_channels;
 697        u8 supp_channels_len;
 698        u8 *mdie;
 699        u8 mdie_len;
 700        u8 *ftie;
 701        u8 ftie_len;
 702        u8 *timeout_int;
 703        u8 timeout_int_len;
 704        u8 *ht_capabilities;
 705        u8 ht_capabilities_len;
 706        u8 *ht_operation;
 707        u8 ht_operation_len;
 708        u8 *vendor_ht_cap;
 709        u8 vendor_ht_cap_len;
 710};
 711
 712enum parse_res {
 713        ParseOK = 0,
 714        ParseUnknown = 1,
 715        ParseFailed = -1
 716};
 717
 718enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len,
 719                                          struct rtw_ieee802_11_elems *elems,
 720                                          int show_errors);
 721
 722u8 *rtw_set_fixed_ie(void *pbuf, unsigned int len,
 723                     void *source, unsigned int *frlen);
 724u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen);
 725
 726enum secondary_ch_offset {
 727        SCN = 0, /* no secondary channel */
 728        SCA = 1, /* secondary channel above */
 729        SCB = 3,  /* secondary channel below */
 730};
 731
 732u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit);
 733
 734void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
 735
 736unsigned char *rtw_get_wpa_ie(unsigned char *pie, uint *wpa_ie_len, int limit);
 737unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit);
 738int rtw_get_wpa_cipher_suite(u8 *s);
 739int rtw_get_wpa2_cipher_suite(u8 *s);
 740int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
 741int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 742                     int *pairwise_cipher, int *is_8021x);
 743int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 744                      int *pairwise_cipher, int *is_8021x);
 745
 746void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
 747                    u8 *wpa_ie, u16 *wpa_len);
 748
 749u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
 750u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
 751u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
 752                     u8 *buf_attr, u32 *len_attr);
 753u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id,
 754                             u8 *buf_content, uint *len_content);
 755
 756uint    rtw_get_rateset_len(u8  *rateset);
 757
 758struct registry_priv;
 759int rtw_generate_ie(struct registry_priv *pregistrypriv);
 760
 761
 762int rtw_get_bit_value_from_ieee_value(u8 val);
 763
 764bool rtw_is_cckrates_included(u8 *rate);
 765
 766bool rtw_is_cckratesonly_included(u8 *rate);
 767
 768int rtw_check_network_type(unsigned char *rate);
 769
 770void rtw_get_bcn_info(struct wlan_network *pnetwork);
 771
 772void rtw_macaddr_cfg(u8 *mac_addr);
 773
 774u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
 775                 unsigned char *MCS_rate);
 776
 777#endif /* IEEE80211_H */
 778