root/drivers/staging/rtl8723bs/include/ieee80211.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. is_multicast_mac_addr
  2. is_broadcast_mac_addr
  3. is_zero_mac_addr

   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 <linux/ieee80211.h>
  11 
  12 #define MGMT_QUEUE_NUM 5
  13 
  14 #define ETH_ALEN        6
  15 #define ETH_TYPE_LEN            2
  16 #define PAYLOAD_TYPE_LEN        1
  17 
  18 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28)
  19 
  20 /* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */
  21 enum {
  22         RTL871X_HOSTAPD_FLUSH = 1,
  23         RTL871X_HOSTAPD_ADD_STA = 2,
  24         RTL871X_HOSTAPD_REMOVE_STA = 3,
  25         RTL871X_HOSTAPD_GET_INFO_STA = 4,
  26         /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
  27         RTL871X_HOSTAPD_GET_WPAIE_STA = 5,
  28         RTL871X_SET_ENCRYPTION = 6,
  29         RTL871X_GET_ENCRYPTION = 7,
  30         RTL871X_HOSTAPD_SET_FLAGS_STA = 8,
  31         RTL871X_HOSTAPD_GET_RID = 9,
  32         RTL871X_HOSTAPD_SET_RID = 10,
  33         RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
  34         RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12,
  35         RTL871X_HOSTAPD_MLME = 13,
  36         RTL871X_HOSTAPD_SCAN_REQ = 14,
  37         RTL871X_HOSTAPD_STA_CLEAR_STATS = 15,
  38         RTL871X_HOSTAPD_SET_BEACON = 16,
  39         RTL871X_HOSTAPD_SET_WPS_BEACON = 17,
  40         RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18,
  41         RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19,
  42         RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20,
  43         RTL871X_HOSTAPD_SET_MACADDR_ACL = 21,
  44         RTL871X_HOSTAPD_ACL_ADD_STA = 22,
  45         RTL871X_HOSTAPD_ACL_REMOVE_STA = 23,
  46 };
  47 
  48 /* STA flags */
  49 #define WLAN_STA_AUTH BIT(0)
  50 #define WLAN_STA_ASSOC BIT(1)
  51 #define WLAN_STA_PS BIT(2)
  52 #define WLAN_STA_TIM BIT(3)
  53 #define WLAN_STA_PERM BIT(4)
  54 #define WLAN_STA_AUTHORIZED BIT(5)
  55 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
  56 #define WLAN_STA_SHORT_PREAMBLE BIT(7)
  57 #define WLAN_STA_PREAUTH BIT(8)
  58 #define WLAN_STA_WME BIT(9)
  59 #define WLAN_STA_MFP BIT(10)
  60 #define WLAN_STA_HT BIT(11)
  61 #define WLAN_STA_WPS BIT(12)
  62 #define WLAN_STA_MAYBE_WPS BIT(13)
  63 #define WLAN_STA_VHT BIT(14)
  64 #define WLAN_STA_NONERP BIT(31)
  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 IEEE_MLME_STA_DEAUTH                            1
  80 #define IEEE_MLME_STA_DISASSOC                  2
  81 
  82 #define IEEE_CRYPT_ERR_UNKNOWN_ALG                      2
  83 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR                     3
  84 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED                4
  85 #define IEEE_CRYPT_ERR_KEY_SET_FAILED                   5
  86 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED                6
  87 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  88 
  89 
  90 #define IEEE_CRYPT_ALG_NAME_LEN                 16
  91 
  92 #define WPA_CIPHER_NONE         BIT(0)
  93 #define WPA_CIPHER_WEP40        BIT(1)
  94 #define WPA_CIPHER_WEP104 BIT(2)
  95 #define WPA_CIPHER_TKIP         BIT(3)
  96 #define WPA_CIPHER_CCMP         BIT(4)
  97 
  98 
  99 
 100 #define WPA_SELECTOR_LEN 4
 101 extern u8 RTW_WPA_OUI_TYPE[] ;
 102 extern u16 RTW_WPA_VERSION ;
 103 extern u8 WPA_AUTH_KEY_MGMT_NONE[];
 104 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
 105 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
 106 extern u8 WPA_CIPHER_SUITE_NONE[];
 107 extern u8 WPA_CIPHER_SUITE_WEP40[];
 108 extern u8 WPA_CIPHER_SUITE_TKIP[];
 109 extern u8 WPA_CIPHER_SUITE_WRAP[];
 110 extern u8 WPA_CIPHER_SUITE_CCMP[];
 111 extern u8 WPA_CIPHER_SUITE_WEP104[];
 112 
 113 
 114 #define RSN_HEADER_LEN 4
 115 #define RSN_SELECTOR_LEN 4
 116 
 117 extern u16 RSN_VERSION_BSD;
 118 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
 119 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
 120 extern u8 RSN_CIPHER_SUITE_NONE[];
 121 extern u8 RSN_CIPHER_SUITE_WEP40[];
 122 extern u8 RSN_CIPHER_SUITE_TKIP[];
 123 extern u8 RSN_CIPHER_SUITE_WRAP[];
 124 extern u8 RSN_CIPHER_SUITE_CCMP[];
 125 extern u8 RSN_CIPHER_SUITE_WEP104[];
 126 
 127 
 128 typedef enum _RATEID_IDX_ {
 129         RATEID_IDX_BGN_40M_2SS = 0,
 130         RATEID_IDX_BGN_40M_1SS = 1,
 131         RATEID_IDX_BGN_20M_2SS_BN = 2,
 132         RATEID_IDX_BGN_20M_1SS_BN = 3,
 133         RATEID_IDX_GN_N2SS = 4,
 134         RATEID_IDX_GN_N1SS = 5,
 135         RATEID_IDX_BG = 6,
 136         RATEID_IDX_G = 7,
 137         RATEID_IDX_B = 8,
 138         RATEID_IDX_VHT_2SS = 9,
 139         RATEID_IDX_VHT_1SS = 10,
 140 } RATEID_IDX, *PRATEID_IDX;
 141 
 142 typedef enum _RATR_TABLE_MODE{
 143         RATR_INX_WIRELESS_NGB = 0,      /*  BGN 40 Mhz 2SS 1SS */
 144         RATR_INX_WIRELESS_NG = 1,               /*  GN or N */
 145         RATR_INX_WIRELESS_NB = 2,               /*  BGN 20 Mhz 2SS 1SS  or BN */
 146         RATR_INX_WIRELESS_N = 3,
 147         RATR_INX_WIRELESS_GB = 4,
 148         RATR_INX_WIRELESS_G = 5,
 149         RATR_INX_WIRELESS_B = 6,
 150         RATR_INX_WIRELESS_MC = 7,
 151         RATR_INX_WIRELESS_AC_N = 8,
 152 }RATR_TABLE_MODE, *PRATR_TABLE_MODE;
 153 
 154 
 155 enum NETWORK_TYPE
 156 {
 157         WIRELESS_INVALID = 0,
 158         /* Sub-Element */
 159         WIRELESS_11B = BIT(0), /*  tx: cck only , rx: cck only, hw: cck */
 160         WIRELESS_11G = BIT(1), /*  tx: ofdm only, rx: ofdm & cck, hw: cck & ofdm */
 161         WIRELESS_11A = BIT(2), /*  tx: ofdm only, rx: ofdm only, hw: ofdm only */
 162         WIRELESS_11_24N = BIT(3), /*  tx: MCS only, rx: MCS & cck, hw: MCS & cck */
 163         WIRELESS_11_5N = BIT(4), /*  tx: MCS only, rx: MCS & ofdm, hw: ofdm only */
 164         WIRELESS_AUTO = BIT(5),
 165         WIRELESS_11AC = BIT(6),
 166 
 167         /* Combination */
 168         /* Type for current wireless mode */
 169         WIRELESS_11BG = (WIRELESS_11B|WIRELESS_11G), /*  tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
 170         WIRELESS_11G_24N = (WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
 171         WIRELESS_11A_5N = (WIRELESS_11A|WIRELESS_11_5N), /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
 172         WIRELESS_11B_24N = (WIRELESS_11B|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
 173         WIRELESS_11BG_24N = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
 174         WIRELESS_11_24AC = (WIRELESS_11G|WIRELESS_11AC),
 175         WIRELESS_11_5AC = (WIRELESS_11A|WIRELESS_11AC),
 176 
 177 
 178         /* Type for registry default wireless mode */
 179         WIRELESS_11AGN = (WIRELESS_11A|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N), /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
 180         WIRELESS_11ABGN = (WIRELESS_11A|WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N),
 181         WIRELESS_MODE_24G = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11AC),
 182         WIRELESS_MODE_MAX = (WIRELESS_11A|WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N|WIRELESS_11AC),
 183 };
 184 
 185 #define SUPPORTED_24G_NETTYPE_MSK (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
 186 
 187 #define IsLegacyOnly(NetType)  ((NetType) == ((NetType) & (WIRELESS_11BG|WIRELESS_11A)))
 188 
 189 #define IsSupported24G(NetType) ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
 190 
 191 #define IsEnableHWCCK(NetType) IsSupported24G(NetType)
 192 #define IsEnableHWOFDM(NetType) (((NetType) & (WIRELESS_11G|WIRELESS_11_24N)) ? true : false)
 193 
 194 #define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType)
 195 #define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType)
 196 #define IsSupportedRxHT(NetType) IsEnableHWOFDM(NetType)
 197 
 198 #define IsSupportedTxCCK(NetType) (((NetType) & (WIRELESS_11B)) ? true : false)
 199 #define IsSupportedTxOFDM(NetType) (((NetType) & (WIRELESS_11G|WIRELESS_11A)) ? true : false)
 200 #define IsSupportedHT(NetType) (((NetType) & (WIRELESS_11_24N|WIRELESS_11_5N)) ? true : false)
 201 
 202 #define IsSupportedVHT(NetType) (((NetType) & (WIRELESS_11AC)) ? true : false)
 203 
 204 
 205 struct ieee_param {
 206         u32 cmd;
 207         u8 sta_addr[ETH_ALEN];
 208         union {
 209                 struct {
 210                         u8 name;
 211                         u32 value;
 212                 } wpa_param;
 213                 struct {
 214                         u32 len;
 215                         u8 reserved[32];
 216                         u8 data[0];
 217                 } wpa_ie;
 218                 struct{
 219                         int command;
 220                         int reason_code;
 221                 } mlme;
 222                 struct {
 223                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 224                         u8 set_tx;
 225                         u32 err;
 226                         u8 idx;
 227                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 228                         u16 key_len;
 229                         u8 key[0];
 230                 } crypt;
 231                 struct {
 232                         u16 aid;
 233                         u16 capability;
 234                         int flags;
 235                         u8 tx_supp_rates[16];
 236                         struct rtw_ieee80211_ht_cap ht_cap;
 237                 } add_sta;
 238                 struct {
 239                         u8 reserved[2];/* for set max_num_sta */
 240                         u8 buf[0];
 241                 } bcn_ie;
 242         } u;
 243 };
 244 
 245 struct ieee_param_ex {
 246         u32 cmd;
 247         u8 sta_addr[ETH_ALEN];
 248         u8 data[0];
 249 };
 250 
 251 struct sta_data{
 252         u16 aid;
 253         u16 capability;
 254         int flags;
 255         u32 sta_set;
 256         u8 tx_supp_rates[16];
 257         u32 tx_supp_rates_len;
 258         struct rtw_ieee80211_ht_cap ht_cap;
 259         u64     rx_pkts;
 260         u64     rx_bytes;
 261         u64     rx_drops;
 262         u64     tx_pkts;
 263         u64     tx_bytes;
 264         u64     tx_drops;
 265 };
 266 
 267 /* this is stolen from ipw2200 driver */
 268 #define IEEE_IBSS_MAC_HASH_SIZE 31
 269 
 270 struct ieee_ibss_seq {
 271         u8 mac[ETH_ALEN];
 272         u16 seq_num;
 273         u16 frag_num;
 274         unsigned long packet_time;
 275         struct list_head        list;
 276 };
 277 
 278 struct eapol {
 279         u8 snap[6];
 280         u16 ethertype;
 281         u8 version;
 282         u8 type;
 283         u16 length;
 284 } __attribute__ ((packed));
 285 
 286 enum eap_type {
 287         EAP_PACKET = 0,
 288         EAPOL_START,
 289         EAPOL_LOGOFF,
 290         EAPOL_KEY,
 291         EAPOL_ENCAP_ASF_ALERT
 292 };
 293 
 294 #define IEEE80211_FCS_LEN    4
 295 
 296 #define MIN_FRAG_THRESHOLD     256U
 297 #define MAX_FRAG_THRESHOLD     2346U
 298 
 299 /* sequence control field */
 300 #define RTW_IEEE80211_SCTL_FRAG 0x000F
 301 #define RTW_IEEE80211_SCTL_SEQ  0xFFF0
 302 
 303 
 304 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
 305 #define RTW_ERP_INFO_USE_PROTECTION BIT(1)
 306 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
 307 
 308 /* QoS, QOS */
 309 #define NORMAL_ACK                      0
 310 #define NO_ACK                          1
 311 #define NON_EXPLICIT_ACK        2
 312 #define BLOCK_ACK                       3
 313 
 314 #ifndef ETH_P_PAE
 315 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 316 #endif /* ETH_P_PAE */
 317 
 318 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 319 
 320 #define ETH_P_ECONET    0x0018
 321 
 322 #ifndef ETH_P_80211_RAW
 323 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 324 #endif
 325 
 326 /* IEEE 802.11 defines */
 327 
 328 #define P80211_OUI_LEN 3
 329 
 330 struct ieee80211_snap_hdr {
 331         u8    dsap;   /* always 0xAA */
 332         u8    ssap;   /* always 0xAA */
 333         u8    ctrl;   /* always 0x03 */
 334         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 335 } __attribute__ ((packed));
 336 
 337 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 338 
 339 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 340 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 341 
 342 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
 343 
 344 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
 345 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & RTW_IEEE80211_SCTL_SEQ)
 346 
 347 /* Authentication algorithms */
 348 #define WLAN_CAPABILITY_BSS (1<<0)
 349 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 350 
 351 /* 802.11b */
 352 #define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
 353 
 354 /* Reason codes */
 355 #define WLAN_REASON_ACTIVE_ROAM 65533
 356 #define WLAN_REASON_JOIN_WRONG_CHANNEL       65534
 357 #define WLAN_REASON_EXPIRATION_CHK 65535
 358 
 359 /* EIDs defined by IEEE 802.11h - END */
 360 #define WLAN_EID_HT_CAP 45
 361 #define WLAN_EID_20_40_BSS_COEXISTENCE 72
 362 #define WLAN_EID_20_40_BSS_INTOLERANT 73
 363 #define WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS 74
 364 #define WLAN_EID_GENERIC (WLAN_EID_VENDOR_SPECIFIC)
 365 #define WLAN_EID_VHT_OP_MODE_NOTIFY 199
 366 
 367 #define IEEE80211_MGMT_HDR_LEN 24
 368 #define IEEE80211_DATA_HDR3_LEN 24
 369 #define IEEE80211_DATA_HDR4_LEN 30
 370 
 371 
 372 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 373 #define IEEE80211_STATMASK_RSSI (1<<1)
 374 #define IEEE80211_STATMASK_NOISE (1<<2)
 375 #define IEEE80211_STATMASK_RATE (1<<3)
 376 #define IEEE80211_STATMASK_WEMASK 0x7
 377 
 378 
 379 #define IEEE80211_CCK_MODULATION    (1<<0)
 380 #define IEEE80211_OFDM_MODULATION   (1<<1)
 381 
 382 #define IEEE80211_24GHZ_BAND     (1<<0)
 383 #define IEEE80211_52GHZ_BAND     (1<<1)
 384 
 385 #define IEEE80211_CCK_RATE_LEN                  4
 386 #define IEEE80211_NUM_OFDM_RATESLEN     8
 387 
 388 
 389 #define IEEE80211_CCK_RATE_1MB                  0x02
 390 #define IEEE80211_CCK_RATE_2MB                  0x04
 391 #define IEEE80211_CCK_RATE_5MB                  0x0B
 392 #define IEEE80211_CCK_RATE_11MB                 0x16
 393 #define IEEE80211_OFDM_RATE_LEN                 8
 394 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 395 #define IEEE80211_OFDM_RATE_9MB                 0x12
 396 #define IEEE80211_OFDM_RATE_12MB                0x18
 397 #define IEEE80211_OFDM_RATE_18MB                0x24
 398 #define IEEE80211_OFDM_RATE_24MB                0x30
 399 #define IEEE80211_OFDM_RATE_36MB                0x48
 400 #define IEEE80211_OFDM_RATE_48MB                0x60
 401 #define IEEE80211_OFDM_RATE_54MB                0x6C
 402 #define IEEE80211_BASIC_RATE_MASK               0x80
 403 
 404 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 405 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 406 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 407 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 408 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 409 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 410 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 411 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 412 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 413 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 414 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 415 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 416 
 417 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 418 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 419         IEEE80211_CCK_RATE_2MB_MASK)
 420 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 421         IEEE80211_CCK_RATE_5MB_MASK | \
 422         IEEE80211_CCK_RATE_11MB_MASK)
 423 
 424 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 425 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 426         IEEE80211_OFDM_RATE_12MB_MASK | \
 427         IEEE80211_OFDM_RATE_24MB_MASK)
 428 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 429         IEEE80211_OFDM_RATE_9MB_MASK  | \
 430         IEEE80211_OFDM_RATE_18MB_MASK | \
 431         IEEE80211_OFDM_RATE_36MB_MASK | \
 432         IEEE80211_OFDM_RATE_48MB_MASK | \
 433         IEEE80211_OFDM_RATE_54MB_MASK)
 434 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 435                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 436 
 437 #define IEEE80211_NUM_OFDM_RATES            8
 438 #define IEEE80211_NUM_CCK_RATES             4
 439 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 440 
 441 
 442 enum MGN_RATE{
 443         MGN_1M          = 0x02,
 444         MGN_2M          = 0x04,
 445         MGN_5_5M        = 0x0B,
 446         MGN_6M          = 0x0C,
 447         MGN_9M          = 0x12,
 448         MGN_11M         = 0x16,
 449         MGN_12M = 0x18,
 450         MGN_18M = 0x24,
 451         MGN_24M = 0x30,
 452         MGN_36M = 0x48,
 453         MGN_48M = 0x60,
 454         MGN_54M = 0x6C,
 455         MGN_MCS32       = 0x7F,
 456         MGN_MCS0,
 457         MGN_MCS1,
 458         MGN_MCS2,
 459         MGN_MCS3,
 460         MGN_MCS4,
 461         MGN_MCS5,
 462         MGN_MCS6,
 463         MGN_MCS7,
 464         MGN_MCS8,
 465         MGN_MCS9,
 466         MGN_MCS10,
 467         MGN_MCS11,
 468         MGN_MCS12,
 469         MGN_MCS13,
 470         MGN_MCS14,
 471         MGN_MCS15,
 472         MGN_MCS16,
 473         MGN_MCS17,
 474         MGN_MCS18,
 475         MGN_MCS19,
 476         MGN_MCS20,
 477         MGN_MCS21,
 478         MGN_MCS22,
 479         MGN_MCS23,
 480         MGN_MCS24,
 481         MGN_MCS25,
 482         MGN_MCS26,
 483         MGN_MCS27,
 484         MGN_MCS28,
 485         MGN_MCS29,
 486         MGN_MCS30,
 487         MGN_MCS31,
 488         MGN_VHT1SS_MCS0,
 489         MGN_VHT1SS_MCS1,
 490         MGN_VHT1SS_MCS2,
 491         MGN_VHT1SS_MCS3,
 492         MGN_VHT1SS_MCS4,
 493         MGN_VHT1SS_MCS5,
 494         MGN_VHT1SS_MCS6,
 495         MGN_VHT1SS_MCS7,
 496         MGN_VHT1SS_MCS8,
 497         MGN_VHT1SS_MCS9,
 498         MGN_VHT2SS_MCS0,
 499         MGN_VHT2SS_MCS1,
 500         MGN_VHT2SS_MCS2,
 501         MGN_VHT2SS_MCS3,
 502         MGN_VHT2SS_MCS4,
 503         MGN_VHT2SS_MCS5,
 504         MGN_VHT2SS_MCS6,
 505         MGN_VHT2SS_MCS7,
 506         MGN_VHT2SS_MCS8,
 507         MGN_VHT2SS_MCS9,
 508         MGN_VHT3SS_MCS0,
 509         MGN_VHT3SS_MCS1,
 510         MGN_VHT3SS_MCS2,
 511         MGN_VHT3SS_MCS3,
 512         MGN_VHT3SS_MCS4,
 513         MGN_VHT3SS_MCS5,
 514         MGN_VHT3SS_MCS6,
 515         MGN_VHT3SS_MCS7,
 516         MGN_VHT3SS_MCS8,
 517         MGN_VHT3SS_MCS9,
 518         MGN_VHT4SS_MCS0,
 519         MGN_VHT4SS_MCS1,
 520         MGN_VHT4SS_MCS2,
 521         MGN_VHT4SS_MCS3,
 522         MGN_VHT4SS_MCS4,
 523         MGN_VHT4SS_MCS5,
 524         MGN_VHT4SS_MCS6,
 525         MGN_VHT4SS_MCS7,
 526         MGN_VHT4SS_MCS8,
 527         MGN_VHT4SS_MCS9,
 528         MGN_UNKNOWN
 529 };
 530 
 531 #define IS_HT_RATE(_rate)                               (_rate >= MGN_MCS0 && _rate <= MGN_MCS31)
 532 #define IS_VHT_RATE(_rate)                              (_rate >= MGN_VHT1SS_MCS0 && _rate <= MGN_VHT4SS_MCS9)
 533 #define IS_CCK_RATE(_rate)                              (MGN_1M == _rate || _rate == MGN_2M || _rate == MGN_5_5M || _rate == MGN_11M)
 534 #define IS_OFDM_RATE(_rate)                             (MGN_6M <= _rate && _rate <= MGN_54M  && _rate != MGN_11M)
 535 
 536 
 537 /* NOTE: This data is for statistical purposes; not all hardware provides this
 538  *       information for frames received.  Not setting these will not cause
 539  *       any adverse affects. */
 540 struct ieee80211_rx_stats {
 541         s8 rssi;
 542         u8 signal;
 543         u8 noise;
 544         u8 received_channel;
 545         u16 rate; /* in 100 kbps */
 546         u8 mask;
 547         u8 freq;
 548         u16 len;
 549 };
 550 
 551 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 552  * three fragmented frames. This define can be increased to support more
 553  * concurrent frames, but it should be noted that each entry can consume about
 554  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 555 #define IEEE80211_FRAG_CACHE_LEN 4
 556 
 557 struct ieee80211_frag_entry {
 558         u32 first_frag_time;
 559         uint seq;
 560         uint last_frag;
 561         uint qos;   /* jackson */
 562         uint tid;       /* jackson */
 563         struct sk_buff *skb;
 564         u8 src_addr[ETH_ALEN];
 565         u8 dst_addr[ETH_ALEN];
 566 };
 567 
 568 struct ieee80211_stats {
 569         uint tx_unicast_frames;
 570         uint tx_multicast_frames;
 571         uint tx_fragments;
 572         uint tx_unicast_octets;
 573         uint tx_multicast_octets;
 574         uint tx_deferred_transmissions;
 575         uint tx_single_retry_frames;
 576         uint tx_multiple_retry_frames;
 577         uint tx_retry_limit_exceeded;
 578         uint tx_discards;
 579         uint rx_unicast_frames;
 580         uint rx_multicast_frames;
 581         uint rx_fragments;
 582         uint rx_unicast_octets;
 583         uint rx_multicast_octets;
 584         uint rx_fcs_errors;
 585         uint rx_discards_no_buffer;
 586         uint tx_discards_wrong_sa;
 587         uint rx_discards_undecryptable;
 588         uint rx_message_in_msg_fragments;
 589         uint rx_message_in_bad_msg_fragments;
 590 };
 591 
 592 struct ieee80211_softmac_stats {
 593         uint rx_ass_ok;
 594         uint rx_ass_err;
 595         uint rx_probe_rq;
 596         uint tx_probe_rs;
 597         uint tx_beacons;
 598         uint rx_auth_rq;
 599         uint rx_auth_rs_ok;
 600         uint rx_auth_rs_err;
 601         uint tx_auth_rq;
 602         uint no_auth_rs;
 603         uint no_ass_rs;
 604         uint tx_ass_rq;
 605         uint rx_ass_rq;
 606         uint tx_probe_rq;
 607         uint reassoc;
 608         uint swtxstop;
 609         uint swtxawake;
 610 };
 611 
 612 #define SEC_KEY_1         (1<<0)
 613 #define SEC_KEY_2         (1<<1)
 614 #define SEC_KEY_3         (1<<2)
 615 #define SEC_KEY_4         (1<<3)
 616 #define SEC_ACTIVE_KEY    (1<<4)
 617 #define SEC_AUTH_MODE     (1<<5)
 618 #define SEC_UNICAST_GROUP (1<<6)
 619 #define SEC_LEVEL         (1<<7)
 620 #define SEC_ENABLED       (1<<8)
 621 
 622 #define SEC_LEVEL_0      0 /* None */
 623 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 624 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 625 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 626 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 627 
 628 #define WEP_KEYS 4
 629 #define WEP_KEY_LEN 13
 630 
 631 #define BIP_MAX_KEYID 5
 632 #define BIP_AAD_SIZE  20
 633 
 634 struct ieee80211_security {
 635         u16 active_key:2,
 636             enabled:1,
 637             auth_mode:2,
 638             auth_algo:4,
 639             unicast_uses_group:1;
 640         u8 key_sizes[WEP_KEYS];
 641         u8 keys[WEP_KEYS][WEP_KEY_LEN];
 642         u8 level;
 643         u16 flags;
 644 } __attribute__ ((packed));
 645 
 646 /*
 647 
 648  802.11 data frame from AP
 649 
 650       ,-------------------------------------------------------------------.
 651 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 652       |------|------|---------|---------|---------|------|---------|------|
 653 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 654       |      | tion | (BSSID) |         |         | ence |  data   |      |
 655       `-------------------------------------------------------------------'
 656 
 657 Total: 28-2340 bytes
 658 
 659 */
 660 
 661 struct ieee80211_header_data {
 662         u16 frame_ctl;
 663         u16 duration_id;
 664         u8 addr1[6];
 665         u8 addr2[6];
 666         u8 addr3[6];
 667         u16 seq_ctrl;
 668 };
 669 
 670 #define BEACON_PROBE_SSID_ID_POSITION 12
 671 
 672 /* Management Frame Information Element Types */
 673 #define MFIE_TYPE_SSID       0
 674 #define MFIE_TYPE_RATES      1
 675 #define MFIE_TYPE_FH_SET     2
 676 #define MFIE_TYPE_DS_SET     3
 677 #define MFIE_TYPE_CF_SET     4
 678 #define MFIE_TYPE_TIM        5
 679 #define MFIE_TYPE_IBSS_SET   6
 680 #define MFIE_TYPE_CHALLENGE  16
 681 #define MFIE_TYPE_ERP        42
 682 #define MFIE_TYPE_RSN        48
 683 #define MFIE_TYPE_RATES_EX   50
 684 #define MFIE_TYPE_GENERIC    221
 685 
 686 struct ieee80211_info_element_hdr {
 687         u8 id;
 688         u8 len;
 689 } __attribute__ ((packed));
 690 
 691 struct ieee80211_info_element {
 692         u8 id;
 693         u8 len;
 694         u8 data[0];
 695 } __attribute__ ((packed));
 696 
 697 /*
 698  * These are the data types that can make up management packets
 699  *
 700         u16 auth_algorithm;
 701         u16 auth_sequence;
 702         u16 beacon_interval;
 703         u16 capability;
 704         u8 current_ap[ETH_ALEN];
 705         u16 listen_interval;
 706         struct {
 707                 u16 association_id:14, reserved:2;
 708         } __attribute__ ((packed));
 709         u32 time_stamp[2];
 710         u16 reason;
 711         u16 status;
 712 */
 713 
 714 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 715 #define IEEE80211_DEFAULT_BASIC_RATE 10
 716 
 717 
 718 struct ieee80211_authentication {
 719         struct ieee80211_header_data header;
 720         u16 algorithm;
 721         u16 transaction;
 722         u16 status;
 723         /* struct ieee80211_info_element_hdr info_element; */
 724 } __attribute__ ((packed));
 725 
 726 
 727 struct ieee80211_probe_response {
 728         struct ieee80211_header_data header;
 729         u32 time_stamp[2];
 730         u16 beacon_interval;
 731         u16 capability;
 732         struct ieee80211_info_element info_element;
 733 } __attribute__ ((packed));
 734 
 735 struct ieee80211_probe_request {
 736         struct ieee80211_header_data header;
 737         /*struct ieee80211_info_element info_element;*/
 738 } __attribute__ ((packed));
 739 
 740 struct ieee80211_assoc_request_frame {
 741         struct ieee80211_hdr_3addr header;
 742         u16 capability;
 743         u16 listen_interval;
 744         /* u8 current_ap[ETH_ALEN]; */
 745         struct ieee80211_info_element_hdr info_element;
 746 } __attribute__ ((packed));
 747 
 748 struct ieee80211_assoc_response_frame {
 749         struct ieee80211_hdr_3addr header;
 750         u16 capability;
 751         u16 status;
 752         u16 aid;
 753 } __attribute__ ((packed));
 754 
 755 struct ieee80211_txb {
 756         u8 nr_frags;
 757         u8 encrypted;
 758         u16 reserved;
 759         u16 frag_size;
 760         u16 payload_size;
 761         struct sk_buff *fragments[0];
 762 };
 763 
 764 
 765 /* SWEEP TABLE ENTRIES NUMBER*/
 766 #define MAX_SWEEP_TAB_ENTRIES             42
 767 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 768 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 769  * only use 8, and then use extended rates for the remaining supported
 770  * rates.  Other APs, however, stick all of their supported rates on the
 771  * main rates information element... */
 772 #define MAX_RATES_LENGTH                  ((u8)12)
 773 #define MAX_RATES_EX_LENGTH               ((u8)16)
 774 #define MAX_NETWORK_COUNT                  128
 775 #define MAX_CHANNEL_NUMBER                 161
 776 #define IEEE80211_SOFTMAC_SCAN_TIME       400
 777 /* HZ / 2) */
 778 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 779 
 780 #define CRC_LENGTH                 4U
 781 
 782 #define MAX_WPA_IE_LEN (256)
 783 #define MAX_WPS_IE_LEN (512)
 784 #define MAX_P2P_IE_LEN (256)
 785 #define MAX_WFD_IE_LEN (128)
 786 
 787 #define NETWORK_EMPTY_ESSID (1<<0)
 788 #define NETWORK_HAS_OFDM    (1<<1)
 789 #define NETWORK_HAS_CCK     (1<<2)
 790 
 791 #define IEEE80211_DTIM_MBCAST 4
 792 #define IEEE80211_DTIM_UCAST 2
 793 #define IEEE80211_DTIM_VALID 1
 794 #define IEEE80211_DTIM_INVALID 0
 795 
 796 #define IEEE80211_PS_DISABLED 0
 797 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 798 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 799 #define IW_ESSID_MAX_SIZE 32
 800 /*
 801 join_res:
 802 -1: authentication fail
 803 -2: association fail
 804 > 0: TID
 805 */
 806 
 807 enum ieee80211_state {
 808 
 809         /* the card is not linked at all */
 810         IEEE80211_NOLINK = 0,
 811 
 812         /* IEEE80211_ASSOCIATING* are for BSS client mode
 813          * the driver shall not perform RX filtering unless
 814          * the state is LINKED.
 815          * The driver shall just check for the state LINKED and
 816          * defaults to NOLINK for ALL the other states (including
 817          * LINKED_SCANNING)
 818          */
 819 
 820         /* the association procedure will start (wq scheduling)*/
 821         IEEE80211_ASSOCIATING,
 822         IEEE80211_ASSOCIATING_RETRY,
 823 
 824         /* the association procedure is sending AUTH request*/
 825         IEEE80211_ASSOCIATING_AUTHENTICATING,
 826 
 827         /* the association procedure has successfully authentcated
 828          * and is sending association request
 829          */
 830         IEEE80211_ASSOCIATING_AUTHENTICATED,
 831 
 832         /* the link is ok. the card associated to a BSS or linked
 833          * to a ibss cell or acting as an AP and creating the bss
 834          */
 835         IEEE80211_LINKED,
 836 
 837         /* same as LINKED, but the driver shall apply RX filter
 838          * rules as we are in NO_LINK mode. As the card is still
 839          * logically linked, but it is doing a syncro site survey
 840          * then it will be back to LINKED state.
 841          */
 842         IEEE80211_LINKED_SCANNING,
 843 
 844 };
 845 
 846 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 847 #define DEFAULT_FTS 2346
 848 #define MAC_FMT "%pM"
 849 #define MAC_ARG(x) (x)
 850 #define IP_FMT "%pI4"
 851 #define IP_ARG(x) (x)
 852 
 853 static inline int is_multicast_mac_addr(const u8 *addr)
 854 {
 855         return ((addr[0] != 0xff) && (0x01 & addr[0]));
 856 }
 857 
 858 static inline int is_broadcast_mac_addr(const u8 *addr)
 859 {
 860         return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
 861                 (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
 862 }
 863 
 864 static inline int is_zero_mac_addr(const u8 *addr)
 865 {
 866         return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) &&   \
 867                 (addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
 868 }
 869 
 870 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 871 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 872 
 873 #define MAXTID  16
 874 
 875 #define IEEE_A            (1<<0)
 876 #define IEEE_B            (1<<1)
 877 #define IEEE_G            (1<<2)
 878 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
 879 
 880 /* Action category code */
 881 enum rtw_ieee80211_category {
 882         RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
 883         RTW_WLAN_CATEGORY_QOS = 1,
 884         RTW_WLAN_CATEGORY_DLS = 2,
 885         RTW_WLAN_CATEGORY_BACK = 3,
 886         RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
 887         RTW_WLAN_CATEGORY_RADIO_MEASUREMENT  = 5,
 888         RTW_WLAN_CATEGORY_FT = 6,
 889         RTW_WLAN_CATEGORY_HT = 7,
 890         RTW_WLAN_CATEGORY_SA_QUERY = 8,
 891         RTW_WLAN_CATEGORY_UNPROTECTED_WNM = 11, /*  add for CONFIG_IEEE80211W, none 11w also can use */
 892         RTW_WLAN_CATEGORY_TDLS = 12,
 893         RTW_WLAN_CATEGORY_SELF_PROTECTED = 15, /*  add for CONFIG_IEEE80211W, none 11w also can use */
 894         RTW_WLAN_CATEGORY_WMM = 17,
 895         RTW_WLAN_CATEGORY_VHT = 21,
 896         RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
 897 };
 898 
 899 /* SPECTRUM_MGMT action code */
 900 enum rtw_ieee80211_spectrum_mgmt_actioncode {
 901         RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
 902         RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
 903         RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
 904         RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
 905         RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
 906         RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
 907 };
 908 
 909 enum _PUBLIC_ACTION{
 910         ACT_PUBLIC_BSSCOEXIST = 0, /*  20/40 BSS Coexistence */
 911         ACT_PUBLIC_DSE_ENABLE = 1,
 912         ACT_PUBLIC_DSE_DEENABLE = 2,
 913         ACT_PUBLIC_DSE_REG_LOCATION = 3,
 914         ACT_PUBLIC_EXT_CHL_SWITCH = 4,
 915         ACT_PUBLIC_DSE_MSR_REQ = 5,
 916         ACT_PUBLIC_DSE_MSR_RPRT = 6,
 917         ACT_PUBLIC_MP = 7, /*  Measurement Pilot */
 918         ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
 919         ACT_PUBLIC_VENDOR = 9, /*  for WIFI_DIRECT */
 920         ACT_PUBLIC_GAS_INITIAL_REQ = 10,
 921         ACT_PUBLIC_GAS_INITIAL_RSP = 11,
 922         ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
 923         ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
 924         ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
 925         ACT_PUBLIC_LOCATION_TRACK = 15,
 926         ACT_PUBLIC_MAX
 927 };
 928 
 929 /* BACK action code */
 930 enum rtw_ieee80211_back_actioncode {
 931         RTW_WLAN_ACTION_ADDBA_REQ = 0,
 932         RTW_WLAN_ACTION_ADDBA_RESP = 1,
 933         RTW_WLAN_ACTION_DELBA = 2,
 934 };
 935 
 936 /* HT features action code */
 937 enum rtw_ieee80211_ht_actioncode {
 938         RTW_WLAN_ACTION_HT_NOTI_CHNL_WIDTH = 0,
 939        RTW_WLAN_ACTION_HT_SM_PS = 1,
 940        RTW_WLAN_ACTION_HT_PSMP = 2,
 941        RTW_WLAN_ACTION_HT_SET_PCO_PHASE = 3,
 942        RTW_WLAN_ACTION_HT_CSI = 4,
 943        RTW_WLAN_ACTION_HT_NON_COMPRESS_BEAMFORMING = 5,
 944        RTW_WLAN_ACTION_HT_COMPRESS_BEAMFORMING = 6,
 945        RTW_WLAN_ACTION_HT_ASEL_FEEDBACK = 7,
 946 };
 947 
 948 /* BACK (block-ack) parties */
 949 enum rtw_ieee80211_back_parties {
 950         RTW_WLAN_BACK_RECIPIENT = 0,
 951         RTW_WLAN_BACK_INITIATOR = 1,
 952         RTW_WLAN_BACK_TIMER = 2,
 953 };
 954 
 955 /* VHT features action code */
 956 enum rtw_ieee80211_vht_actioncode{
 957         RTW_WLAN_ACTION_VHT_COMPRESSED_BEAMFORMING = 0,
 958        RTW_WLAN_ACTION_VHT_GROUPID_MANAGEMENT = 1,
 959        RTW_WLAN_ACTION_VHT_OPMODE_NOTIFICATION = 2,
 960 };
 961 
 962 
 963 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
 964                                 * 00:50:F2 */
 965 #define WME_OUI_TYPE 2
 966 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
 967 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
 968 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
 969 #define WME_VERSION 1
 970 
 971 #define WME_ACTION_CODE_SETUP_REQUEST 0
 972 #define WME_ACTION_CODE_SETUP_RESPONSE 1
 973 #define WME_ACTION_CODE_TEARDOWN 2
 974 
 975 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
 976 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
 977 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3
 978 
 979 #define WME_TSPEC_DIRECTION_UPLINK 0
 980 #define WME_TSPEC_DIRECTION_DOWNLINK 1
 981 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
 982 
 983 
 984 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
 985 
 986 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
 987 
 988 /**
 989  * enum rtw_ieee80211_channel_flags - channel flags
 990  *
 991  * Channel flags set by the regulatory control code.
 992  *
 993  * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
 994  * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
 995  *      on this channel.
 996  * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
 997  * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
 998  * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
 999  *      is not permitted.
1000  * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
1001  *      is not permitted.
1002  */
1003   enum rtw_ieee80211_channel_flags {
1004           RTW_IEEE80211_CHAN_DISABLED         = 1<<0,
1005           RTW_IEEE80211_CHAN_PASSIVE_SCAN     = 1<<1,
1006           RTW_IEEE80211_CHAN_NO_IBSS          = 1<<2,
1007           RTW_IEEE80211_CHAN_RADAR            = 1<<3,
1008           RTW_IEEE80211_CHAN_NO_HT40PLUS      = 1<<4,
1009           RTW_IEEE80211_CHAN_NO_HT40MINUS     = 1<<5,
1010   };
1011 
1012   #define RTW_IEEE80211_CHAN_NO_HT40 \
1013           (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
1014 
1015 /* Represent channel details, subset of ieee80211_channel */
1016 struct rtw_ieee80211_channel {
1017         /* enum nl80211_band band; */
1018         /* u16 center_freq; */
1019         u16 hw_value;
1020         u32 flags;
1021         /* int max_antenna_gain; */
1022         /* int max_power; */
1023         /* int max_reg_power; */
1024         /* bool beacon_found; */
1025         /* u32 orig_flags; */
1026         /* int orig_mag; */
1027         /* int orig_mpwr; */
1028 };
1029 
1030 #define CHAN_FMT \
1031         /*"band:%d, "*/ \
1032         /*"center_freq:%u, "*/ \
1033         "hw_value:%u, " \
1034         "flags:0x%08x" \
1035         /*"max_antenna_gain:%d\n"*/ \
1036         /*"max_power:%d\n"*/ \
1037         /*"max_reg_power:%d\n"*/ \
1038         /*"beacon_found:%u\n"*/ \
1039         /*"orig_flags:0x%08x\n"*/ \
1040         /*"orig_mag:%d\n"*/ \
1041         /*"orig_mpwr:%d\n"*/
1042 
1043 #define CHAN_ARG(channel) \
1044         /*(channel)->band*/ \
1045         /*, (channel)->center_freq*/ \
1046         (channel)->hw_value \
1047         , (channel)->flags \
1048         /*, (channel)->max_antenna_gain*/ \
1049         /*, (channel)->max_power*/ \
1050         /*, (channel)->max_reg_power*/ \
1051         /*, (channel)->beacon_found*/ \
1052         /*, (channel)->orig_flags*/ \
1053         /*, (channel)->orig_mag*/ \
1054         /*, (channel)->orig_mpwr*/ \
1055 
1056 /* Parsed Information Elements */
1057 struct rtw_ieee802_11_elems {
1058         u8 *ssid;
1059         u8 ssid_len;
1060         u8 *supp_rates;
1061         u8 supp_rates_len;
1062         u8 *fh_params;
1063         u8 fh_params_len;
1064         u8 *ds_params;
1065         u8 ds_params_len;
1066         u8 *cf_params;
1067         u8 cf_params_len;
1068         u8 *tim;
1069         u8 tim_len;
1070         u8 *ibss_params;
1071         u8 ibss_params_len;
1072         u8 *challenge;
1073         u8 challenge_len;
1074         u8 *erp_info;
1075         u8 erp_info_len;
1076         u8 *ext_supp_rates;
1077         u8 ext_supp_rates_len;
1078         u8 *wpa_ie;
1079         u8 wpa_ie_len;
1080         u8 *rsn_ie;
1081         u8 rsn_ie_len;
1082         u8 *wme;
1083         u8 wme_len;
1084         u8 *wme_tspec;
1085         u8 wme_tspec_len;
1086         u8 *wps_ie;
1087         u8 wps_ie_len;
1088         u8 *power_cap;
1089         u8 power_cap_len;
1090         u8 *supp_channels;
1091         u8 supp_channels_len;
1092         u8 *mdie;
1093         u8 mdie_len;
1094         u8 *ftie;
1095         u8 ftie_len;
1096         u8 *timeout_int;
1097         u8 timeout_int_len;
1098         u8 *ht_capabilities;
1099         u8 ht_capabilities_len;
1100         u8 *ht_operation;
1101         u8 ht_operation_len;
1102         u8 *vendor_ht_cap;
1103         u8 vendor_ht_cap_len;
1104         u8 *vht_capabilities;
1105         u8 vht_capabilities_len;
1106         u8 *vht_operation;
1107         u8 vht_operation_len;
1108         u8 *vht_op_mode_notify;
1109         u8 vht_op_mode_notify_len;
1110 };
1111 
1112 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
1113 
1114 ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
1115                                 struct rtw_ieee802_11_elems *elems,
1116                                 int show_errors);
1117 
1118 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source, unsigned int *frlen);
1119 u8 *rtw_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen);
1120 
1121 enum secondary_ch_offset {
1122         SCN = 0, /* no secondary channel */
1123         SCA = 1, /* secondary channel above */
1124         SCB = 3,  /* secondary channel below */
1125 };
1126 
1127 u8 *rtw_get_ie(u8*pbuf, sint index, sint *len, sint limit);
1128 u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen);
1129 int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len);
1130 
1131 void rtw_set_supported_rate(u8 *SupportedRates, uint mode) ;
1132 
1133 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
1134 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
1135 int rtw_get_wpa_cipher_suite(u8 *s);
1136 int rtw_get_wpa2_cipher_suite(u8 *s);
1137 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
1138 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
1139 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
1140 
1141 void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len);
1142 
1143 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
1144 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
1145 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id , u8 *buf_attr, u32 *len_attr);
1146 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id , u8 *buf_content, uint *len_content);
1147 
1148 /**
1149  * for_each_ie - iterate over continuous IEs
1150  * @ie:
1151  * @buf:
1152  * @buf_len:
1153  */
1154 #define for_each_ie(ie, buf, buf_len) \
1155         for (ie = (void*)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; ie = (void*)(((u8 *)ie) + *(((u8 *)ie)+1) + 2))
1156 
1157 uint    rtw_get_rateset_len(u8 *rateset);
1158 
1159 struct registry_priv;
1160 int rtw_generate_ie(struct registry_priv *pregistrypriv);
1161 
1162 
1163 int rtw_get_bit_value_from_ieee_value(u8 val);
1164 
1165 bool rtw_is_cckrates_included(u8 *rate);
1166 
1167 bool rtw_is_cckratesonly_included(u8 *rate);
1168 
1169 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
1170 
1171 void rtw_get_bcn_info(struct wlan_network *pnetwork);
1172 
1173 void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr);
1174 
1175 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI, unsigned char * MCS_rate);
1176 
1177 int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action);
1178 const char *action_public_str(u8 action);
1179 
1180 #endif /* IEEE80211_H */

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