1 /* 2 * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /** 20 * DOC: contains commnon ieee80211 definitions 21 */ 22 23 #ifndef _WLAN_CMN_IEEE80211_H_ 24 #define _WLAN_CMN_IEEE80211_H_ 25 #include <qdf_types.h> 26 #include <osdep.h> 27 28 #define IEEE80211_CCMP_HEADERLEN 8 29 #define IEEE80211_CCMP_MICLEN 8 30 #define WLAN_IEEE80211_GCMP_HEADERLEN 8 31 #define WLAN_IEEE80211_GCMP_MICLEN 16 32 #define IEEE80211_FC1_WEP 0x40 33 #define WLAN_HDR_IV_LEN 3 34 #define WLAN_HDR_EXT_IV_BIT 0x20 35 #define WLAN_HDR_EXT_IV_LEN 4 36 37 #define WLAN_SEQ_SEQ_SHIFT 4 38 39 #define P2P_WFA_OUI {0x50, 0x6f, 0x9a} 40 #define P2P_WFA_VER 0x09 41 42 #define WSC_OUI 0x0050f204 43 #define MBO_OCE_OUI 0x506f9a16 44 #define MBO_OCE_OUI_SIZE 4 45 #define REDUCED_WAN_METRICS_ATTR 103 46 47 /* WCN IE */ 48 /* Microsoft OUI */ 49 #define WCN_OUI 0xf25000 50 /* WCN */ 51 #define WCN_OUI_TYPE 0x04 52 #define WME_OUI 0xf25000 53 #define WME_OUI_TYPE 0x02 54 #define WME_PARAM_OUI_SUBTYPE 0x01 55 #define WME_INFO_OUI_SUBTYPE 0x00 56 /* Atheros OUI */ 57 #define ATH_OUI 0x7f0300 58 #define ATH_OUI_TYPE 0x01 59 /* Atheros Extended Cap Type */ 60 #define ATH_OUI_EXTCAP_TYPE 0x04 61 /* QCA Bandwidth NSS Mapping Type */ 62 #define ATH_OUI_BW_NSS_MAP_TYPE 0x05 63 #define SFA_OUI 0x964000 64 #define SFA_OUI_TYPE 0x14 65 /* QCA OUI (in little endian) */ 66 #define QCA_OUI 0xf0fd8c 67 #define QCA_OUI_WHC_TYPE 0x00 68 69 /* Extender vendor specific IE */ 70 #define QCA_OUI_EXTENDER_TYPE 0x03 71 72 /* Temporary vendor specific IE for 11n pre-standard interoperability */ 73 #define VENDOR_HT_OUI 0x00904c 74 #define VENDOR_HT_CAP_ID 51 75 #define VENDOR_HT_INFO_ID 52 76 77 #define VHT_INTEROP_OUI 0x00904c 78 #define VHT_INTEROP_TYPE 0x04 79 #define VHT_INTEROP_OUI_SUBTYPE 0x08 80 #define VHT_INTEROP_OUI_SUBTYPE_VENDORSPEC 0x18 81 82 /* ATH HE OUI ( in little endian) */ 83 #define ATH_HE_OUI 0x741300 84 #define ATH_HE_CAP_SUBTYPE 0x01 85 #define ATH_HE_OP_SUBTYPE 0x02 86 87 /* EPR information element flags */ 88 #define ERP_NON_ERP_PRESENT 0x01 89 #define ERP_USE_PROTECTION 0x02 90 #define ERP_LONG_PREAMBLE 0x04 91 92 #define QCA_OUI_WHC_AP_INFO_SUBTYPE 0x00 93 94 #define WLAN_MAX_IE_LEN 255 95 #define WLAN_RSN_IE_LEN 22 96 97 /* Individual element IEs length checks */ 98 99 #define WLAN_SUPPORTED_RATES_IE_MAX_LEN 12 100 #define WLAN_DS_PARAM_IE_MAX_LEN 1 101 #define WLAN_COUNTRY_IE_MIN_LEN 3 102 #define WLAN_QUIET_IE_MAX_LEN 6 103 #define WLAN_CSA_IE_MAX_LEN 3 104 #define WLAN_XCSA_IE_MAX_LEN 4 105 #define WLAN_SECCHANOFF_IE_MAX_LEN 1 106 #define WLAN_EXT_SUPPORTED_RATES_IE_MAX_LEN 12 107 #define WLAN_EXTCAP_IE_MAX_LEN 15 108 #define WLAN_FILS_INDICATION_IE_MIN_LEN 2 109 #define WLAN_MOBILITY_DOMAIN_IE_MAX_LEN 3 110 #define WLAN_OPMODE_IE_MAX_LEN 1 111 #define WLAN_IBSSDFS_IE_MIN_LEN 7 112 113 /* HT capability flags */ 114 #define WLAN_HTCAP_C_ADVCODING 0x0001 115 #define WLAN_HTCAP_C_CHWIDTH40 0x0002 116 /* Capable of SM Power Save (Static) */ 117 #define WLAN_HTCAP_C_SMPOWERSAVE_STATIC 0x0000 118 /* Capable of SM Power Save (Dynamic) */ 119 #define WLAN_HTCAP_C_SMPOWERSAVE_DYNAMIC 0x0004 120 /* Reserved */ 121 #define WLAN_HTCAP_C_SM_RESERVED 0x0008 122 /* SM enabled, no SM Power Save */ 123 #define WLAN_HTCAP_C_SMPOWERSAVE_DISABLED 0x000c 124 #define WLAN_HTCAP_C_GREENFIELD 0x0010 125 #define WLAN_HTCAP_C_SHORTGI20 0x0020 126 #define WLAN_HTCAP_C_SHORTGI40 0x0040 127 #define WLAN_HTCAP_C_TXSTBC 0x0080 128 #define WLAN_HTCAP_C_TXSTBC_S 7 129 /* 2 bits */ 130 #define WLAN_HTCAP_C_RXSTBC 0x0300 131 #define WLAN_HTCAP_C_RXSTBC_S 8 132 #define WLAN_HTCAP_C_DELAYEDBLKACK 0x0400 133 /* 1 = 8K, 0 = 3839B */ 134 #define WLAN_HTCAP_C_MAXAMSDUSIZE 0x0800 135 #define WLAN_HTCAP_C_DSSSCCK40 0x1000 136 #define WLAN_HTCAP_C_PSMP 0x2000 137 #define WLAN_HTCAP_C_INTOLERANT40 0x4000 138 #define WLAN_HTCAP_C_LSIGTXOPPROT 0x8000 139 /* Spatial Multiplexing (SM) capabitlity bitmask */ 140 #define WLAN_HTCAP_C_SM_MASK 0x000c 141 142 /* VHT Operation */ 143 /* 20/40 MHz Operating Channel */ 144 #define WLAN_VHTOP_CHWIDTH_2040 0 145 /* 80 MHz Operating Channel */ 146 #define WLAN_VHTOP_CHWIDTH_80 1 147 /* 160 MHz Operating Channel */ 148 #define WLAN_VHTOP_CHWIDTH_160 2 149 /* 80 + 80 MHz Operating Channel */ 150 #define WLAN_VHTOP_CHWIDTH_80_80 3 151 /* 160 MHz Operating Channel (revised signalling) */ 152 #define WLAN_VHTOP_CHWIDTH_REVSIG_160 1 153 /* 80 + 80 MHz Operating Channel (revised signalling) */ 154 #define WLAN_VHTOP_CHWIDTH_REVSIG_80_80 1 155 156 #define WLAN_RATE_VAL 0x7f 157 158 #define WLAN_RV(v) ((v) & WLAN_RATE_VAL) 159 160 #define WLAN_CHAN_IS_5GHZ(chanidx) \ 161 ((chanidx > 30) ? true : false) 162 #define WLAN_CHAN_IS_2GHZ(chanidx) \ 163 (((chanidx > 0) && (chanidx < 15)) ? true : false) 164 165 /* Check if revised signalling is being used for VHT160 in vhtop */ 166 #define WLAN_IS_REVSIG_VHT160(vhtop) (((vhtop)->vht_op_chwidth == \ 167 WLAN_VHTOP_CHWIDTH_REVSIG_160) && \ 168 ((vhtop)->vht_op_ch_freq_seg2 != 0) && \ 169 (abs((vhtop)->vht_op_ch_freq_seg2 - (vhtop)->vht_op_ch_freq_seg1) == 8)) 170 171 /* Check if revised signalling is being used for VHT80p80 in vhtop */ 172 #define WLAN_IS_REVSIG_VHT80_80(vhtop) (((vhtop)->vht_op_chwidth == \ 173 WLAN_VHTOP_CHWIDTH_REVSIG_80_80) && \ 174 ((vhtop)->vht_op_ch_freq_seg2 != 0) && \ 175 (abs((vhtop)->vht_op_ch_freq_seg2 - (vhtop)->vht_op_ch_freq_seg1) > 8)) 176 177 #define LE_READ_2(p) \ 178 ((uint16_t)\ 179 ((((const uint8_t *)(p))[0]) |\ 180 (((const uint8_t *)(p))[1] << 8))) 181 182 #define LE_READ_4(p) \ 183 ((uint32_t)\ 184 ((((const uint8_t *)(p))[0]) |\ 185 (((const uint8_t *)(p))[1] << 8) | \ 186 (((const uint8_t *)(p))[2] << 16) |\ 187 (((const uint8_t *)(p))[3] << 24))) 188 189 #define BE_READ_4(p) \ 190 ((uint32_t)\ 191 ((((const uint8_t *)(p))[0] << 24) |\ 192 (((const uint8_t *)(p))[1] << 16) |\ 193 (((const uint8_t *)(p))[2] << 8) |\ 194 (((const uint8_t *)(p))[3]))) 195 196 /** 197 * enum ext_chan_offset: extension channel offset 198 * @WLAN_HTINFO_EXTOFFSET_NA: no extension channel is present 199 * @WLAN_HTINFO_EXTOFFSET_ABOVE: above control channel 200 * @WLAN_HTINFO_EXTOFFSET_UNDEF: undefined 201 * @WLAN_HTINFO_EXTOFFSET_BELOW: below control channel 202 */ 203 enum ext_chan_offset { 204 WLAN_HTINFO_EXTOFFSET_NA = 0, 205 WLAN_HTINFO_EXTOFFSET_ABOVE = 1, 206 WLAN_HTINFO_EXTOFFSET_UNDEF = 2, 207 WLAN_HTINFO_EXTOFFSET_BELOW = 3 208 }; 209 210 /** 211 * enum element_ie :- Management information element 212 * @WLAN_ELEMID_SSID: ssid IE 213 * @WLAN_ELEMID_RATES: Rates IE 214 * @WLAN_ELEMID_FHPARMS: FH param IE 215 * @WLAN_ELEMID_DSPARMS: DS Param IE 216 * @WLAN_ELEMID_CFPARMS : CF Param IE 217 * @WLAN_ELEMID_TIM: TIM IE 218 * @WLAN_ELEMID_IBSSPARMS: Ibss params IE 219 * @WLAN_ELEMID_COUNTRY: Country code IE 220 * @WLAN_ELEMID_REQINFO: Req Info IE 221 * @WLAN_ELEMID_QBSS_LOAD: Qbss load IE 222 * @WLAN_ELEMID_TCLAS: TCLAS IE 223 * @WLAN_ELEMID_CHALLENGE: Challenge IE 224 * @WLAN_ELEMID_PWRCNSTR: Power cn IE 225 * @WLAN_ELEMID_PWRCAP: power cap IE 226 * @WLAN_ELEMID_TPCREQ: TPC req IE 227 * @WLAN_ELEMID_TPCREP: TPC rsp IE 228 * @WLAN_ELEMID_SUPPCHAN: Supported channel IE 229 * @WLAN_ELEMID_CHANSWITCHANN: Channel switch IE 230 * @WLAN_ELEMID_MEASREQ: Measurement request IE 231 * @WLAN_ELEMID_MEASREP: Measurement Resp IE 232 * @WLAN_ELEMID_QUIET: Quiet IE 233 * @WLAN_ELEMID_IBSSDFS: IBSS DFS IE 234 * @WLAN_ELEMID_ERP: ERP IE 235 * @WLAN_ELEMID_TCLAS_PROCESS: TCLAS process IE 236 * @WLAN_ELEMID_HTCAP_ANA: HTT Capability IE 237 * @WLAN_ELEMID_RSN: RSN IE 238 * @WLAN_ELEMID_XRATES: Extended rate IE 239 * @WLAN_ELEMID_HTCAP_VENDOR: HT cap vendor IE 240 * @WLAN_ELEMID_HTINFO_VENDOR: HT info vendor IE 241 * @WLAN_ELEMID_MOBILITY_DOMAIN: MD IE 242 * @WLAN_ELEMID_FT: FT IE 243 * @WLAN_ELEMID_TIMEOUT_INTERVAL: Timeout interval IE 244 * @WLAN_ELEMID_SUPP_OP_CLASS: OP class IE 245 * @WLAN_ELEMID_EXTCHANSWITCHANN: Extended Channel switch IE 246 * @WLAN_ELEMID_HTINFO_ANA: HT info IE 247 * @WLAN_ELEMID_SECCHANOFFSET: Sec channel Offset IE 248 * @WLAN_ELEMID_WAPI: WAPI IE 249 * @WLAN_ELEMID_TIME_ADVERTISEMENT: Time IE 250 * @WLAN_ELEMID_RRM: Radio resource measurement IE 251 * @WLAN_ELEMID_MULTIPLE_BSSID: Multiple BSSID IE 252 * @WLAN_ELEMID_2040_COEXT: 20-40 COext ext IE 253 * @WLAN_ELEMID_2040_INTOL:20-40 INT OL IE 254 * @WLAN_ELEMID_OBSS_SCAN: OBSS scan IE 255 * @WLAN_ELEMID_MMIE: 802.11w Management MIC IE 256 * @WLAN_ELEMID_NONTX_BSSID_CAP: Nontransmitted BSSID Capability IE 257 * @WLAN_ELEMID_MULTI_BSSID_IDX: Multiple BSSID index 258 * @WLAN_ELEMID_FMS_DESCRIPTOR: 802.11v FMS descriptor IE 259 * @WLAN_ELEMID_FMS_REQUEST: 802.11v FMS request IE 260 * @WLAN_ELEMID_FMS_RESPONSE: 802.11v FMS response IE 261 * @WLAN_ELEMID_BSSMAX_IDLE_PERIOD = 90: BSS MAX IDLE PERIOD 262 * @WLAN_ELEMID_TFS_REQUEST: TFS req IE 263 * @WLAN_ELEMID_TFS_RESPONSE: TFS resp IE 264 * @WLAN_ELEMID_TIM_BCAST_REQUEST: TIM bcast req IE 265 * @WLAN_ELEMID_TIM_BCAST_RESPONSE: TIM bcast resp IE 266 * @WLAN_ELEMID_INTERWORKING: Interworking IE 267 * @WLAN_ELEMID_QOS_MAP: QOS MAP IE 268 * @WLAN_ELEMID_XCAPS: Extended capability IE 269 * @WLAN_ELEMID_TPC: TPC IE 270 * @WLAN_ELEMID_CCKM: CCKM IE 271 * @WLAN_ELEMID_VHTCAP: VHT Capabilities 272 * @WLAN_ELEMID_VHTOP: VHT Operation 273 * @WLAN_ELEMID_EXT_BSS_LOAD: Extended BSS Load 274 * @WLAN_ELEMID_WIDE_BAND_CHAN_SWITCH: Wide Band Channel Switch 275 * @WLAN_ELEMID_VHT_TX_PWR_ENVLP: VHT Transmit Power Envelope 276 * @WLAN_ELEMID_CHAN_SWITCH_WRAP: Channel Switch Wrapper 277 * @WLAN_ELEMID_AID: AID 278 * @WLAN_ELEMID_QUIET_CHANNEL: Quiet Channel 279 * @WLAN_ELEMID_OP_MODE_NOTIFY: Operating Mode Notification 280 * @WLAN_ELEMID_VENDOR: vendor private 281 * @WLAN_ELEMID_EXTN_ELEM: extended IE 282 */ 283 enum element_ie { 284 WLAN_ELEMID_SSID = 0, 285 WLAN_ELEMID_RATES = 1, 286 WLAN_ELEMID_FHPARMS = 2, 287 WLAN_ELEMID_DSPARMS = 3, 288 WLAN_ELEMID_CFPARMS = 4, 289 WLAN_ELEMID_TIM = 5, 290 WLAN_ELEMID_IBSSPARMS = 6, 291 WLAN_ELEMID_COUNTRY = 7, 292 WLAN_ELEMID_REQINFO = 10, 293 WLAN_ELEMID_QBSS_LOAD = 11, 294 WLAN_ELEMID_TCLAS = 14, 295 WLAN_ELEMID_CHALLENGE = 16, 296 /* 17-31 reserved for challenge text extension */ 297 WLAN_ELEMID_PWRCNSTR = 32, 298 WLAN_ELEMID_PWRCAP = 33, 299 WLAN_ELEMID_TPCREQ = 34, 300 WLAN_ELEMID_TPCREP = 35, 301 WLAN_ELEMID_SUPPCHAN = 36, 302 WLAN_ELEMID_CHANSWITCHANN = 37, 303 WLAN_ELEMID_MEASREQ = 38, 304 WLAN_ELEMID_MEASREP = 39, 305 WLAN_ELEMID_QUIET = 40, 306 WLAN_ELEMID_IBSSDFS = 41, 307 WLAN_ELEMID_ERP = 42, 308 WLAN_ELEMID_TCLAS_PROCESS = 44, 309 WLAN_ELEMID_HTCAP_ANA = 45, 310 WLAN_ELEMID_RSN = 48, 311 WLAN_ELEMID_XRATES = 50, 312 WLAN_ELEMID_HTCAP_VENDOR = 51, 313 WLAN_ELEMID_HTINFO_VENDOR = 52, 314 WLAN_ELEMID_MOBILITY_DOMAIN = 54, 315 WLAN_ELEMID_FT = 55, 316 WLAN_ELEMID_TIMEOUT_INTERVAL = 56, 317 WLAN_ELEMID_SUPP_OP_CLASS = 59, 318 WLAN_ELEMID_EXTCHANSWITCHANN = 60, 319 WLAN_ELEMID_HTINFO_ANA = 61, 320 WLAN_ELEMID_SECCHANOFFSET = 62, 321 WLAN_ELEMID_WAPI = 68, 322 WLAN_ELEMID_TIME_ADVERTISEMENT = 69, 323 WLAN_ELEMID_RRM = 70, 324 WLAN_ELEMID_MULTIPLE_BSSID = 71, 325 WLAN_ELEMID_2040_COEXT = 72, 326 WLAN_ELEMID_2040_INTOL = 73, 327 WLAN_ELEMID_OBSS_SCAN = 74, 328 WLAN_ELEMID_MMIE = 76, 329 WLAN_ELEMID_NONTX_BSSID_CAP = 83, 330 WLAN_ELEMID_MULTI_BSSID_IDX = 85, 331 WLAN_ELEMID_FMS_DESCRIPTOR = 86, 332 WLAN_ELEMID_FMS_REQUEST = 87, 333 WLAN_ELEMID_FMS_RESPONSE = 88, 334 WLAN_ELEMID_BSSMAX_IDLE_PERIOD = 90, 335 WLAN_ELEMID_TFS_REQUEST = 91, 336 WLAN_ELEMID_TFS_RESPONSE = 92, 337 WLAN_ELEMID_TIM_BCAST_REQUEST = 94, 338 WLAN_ELEMID_TIM_BCAST_RESPONSE = 95, 339 WLAN_ELEMID_INTERWORKING = 107, 340 WLAN_ELEMID_QOS_MAP = 110, 341 WLAN_ELEMID_XCAPS = 127, 342 WLAN_ELEMID_TPC = 150, 343 WLAN_ELEMID_CCKM = 156, 344 WLAN_ELEMID_VHTCAP = 191, 345 WLAN_ELEMID_VHTOP = 192, 346 WLAN_ELEMID_EXT_BSS_LOAD = 193, 347 WLAN_ELEMID_WIDE_BAND_CHAN_SWITCH = 194, 348 WLAN_ELEMID_VHT_TX_PWR_ENVLP = 195, 349 WLAN_ELEMID_CHAN_SWITCH_WRAP = 196, 350 WLAN_ELEMID_AID = 197, 351 WLAN_ELEMID_QUIET_CHANNEL = 198, 352 WLAN_ELEMID_OP_MODE_NOTIFY = 199, 353 WLAN_ELEMID_VENDOR = 221, 354 WLAN_ELEMID_FILS_INDICATION = 240, 355 WLAN_ELEMID_EXTN_ELEM = 255, 356 }; 357 358 /** 359 * enum extn_element_ie :- extended management information element 360 * @WLAN_EXTN_ELEMID_MAX_CHAN_SWITCH_TIME: Maximum Channel Switch Time IE 361 * @WLAN_EXTN_ELEMID_HECAP: HE capabilities IE 362 * @WLAN_EXTN_ELEMID_HEOP: HE Operation IE 363 * @WLAN_EXTN_ELEMID_MUEDCA: MU-EDCA IE 364 * @WLAN_EXTN_ELEMID_SRP: spatial reuse parameter IE 365 */ 366 enum extn_element_ie { 367 WLAN_EXTN_ELEMID_MAX_CHAN_SWITCH_TIME = 34, 368 WLAN_EXTN_ELEMID_HECAP = 35, 369 WLAN_EXTN_ELEMID_HEOP = 36, 370 WLAN_EXTN_ELEMID_MUEDCA = 38, 371 WLAN_EXTN_ELEMID_SRP = 39, 372 WLAN_EXTN_ELEMID_ESP = 11, 373 }; 374 375 #define WLAN_OUI_SIZE 4 376 #define WLAN_MAX_CIPHER 6 377 #define WLAN_RSN_SELECTOR_LEN 4 378 #define WLAN_WPA_SELECTOR_LEN 4 379 #define PMKID_LEN 16 380 #define MAX_PMKID 4 381 382 #define WLAN_WPA_OUI 0xf25000 383 #define WLAN_WPA_OUI_TYPE 0x01 384 #define WPA_VERSION 1 385 #define WLAN_WPA_SEL(x) (((x) << 24) | WLAN_WPA_OUI) 386 387 #define WLAN_RSN_OUI 0xac0f00 388 #define WLAN_CCKM_OUI 0x964000 389 #define WLAN_CCKM_ASE_UNSPEC 0 390 #define WLAN_WPA_CCKM_AKM 0x00964000 391 #define WLAN_RSN_CCKM_AKM 0x00964000 392 #define WLAN_RSN_DPP_AKM 0x029A6F50 393 #define WLAN_RSN_OSEN_AKM 0x019A6F50 394 395 #define RSN_VERSION 1 396 #define WLAN_RSN_SEL(x) (((x) << 24) | WLAN_RSN_OUI) 397 #define WLAN_CCKM_SEL(x) (((x) << 24) | WLAN_CCKM_OUI) 398 399 #define WLAN_CSE_NONE 0x00 400 #define WLAN_CSE_WEP40 0x01 401 #define WLAN_CSE_TKIP 0x02 402 #define WLAN_CSE_RESERVED 0x03 403 #define WLAN_CSE_CCMP 0x04 404 #define WLAN_CSE_WEP104 0x05 405 #define WLAN_CSE_AES_CMAC 0x06 406 #define WLAN_CSE_GCMP_128 0x08 407 #define WLAN_CSE_GCMP_256 0x09 408 #define WLAN_CSE_CCMP_256 0x0A 409 #define WLAN_CSE_BIP_GMAC_128 0x0B 410 #define WLAN_CSE_BIP_GMAC_256 0x0C 411 #define WLAN_CSE_BIP_CMAC_256 0x0D 412 413 #define WLAN_AKM_IEEE8021X 0x01 414 #define WLAN_AKM_PSK 0x02 415 #define WLAN_AKM_FT_IEEE8021X 0x03 416 #define WLAN_AKM_FT_PSK 0x04 417 #define WLAN_AKM_SHA256_IEEE8021X 0x05 418 #define WLAN_AKM_SHA256_PSK 0x06 419 #define WLAN_AKM_SAE 0x08 420 #define WLAN_AKM_SUITEB_EAP_SHA256 0x0B 421 #define WLAN_AKM_SUITEB_EAP_SHA384 0x0C 422 #define WLAN_AKM_FILS_SHA256 0x0E 423 #define WLAN_AKM_FILS_SHA384 0x0F 424 #define WLAN_AKM_FILS_FT_SHA256 0x10 425 #define WLAN_AKM_FILS_FT_SHA384 0x11 426 #define WLAN_AKM_OWE 0x12 427 428 #define WLAN_ASE_NONE 0x00 429 #define WLAN_ASE_8021X_UNSPEC 0x01 430 #define WLAN_ASE_8021X_PSK 0x02 431 #define WLAN_ASE_FT_IEEE8021X 0x20 432 #define WLAN_ASE_FT_PSK 0x40 433 #define WLAN_ASE_SHA256_IEEE8021X 0x80 434 #define WLAN_ASE_SHA256_PSK 0x100 435 #define WLAN_ASE_WPS 0x200 436 437 #define RSN_CAP_MFP_CAPABLE 0x80 438 #define RSN_CAP_MFP_REQUIRED 0x40 439 440 /** 441 * struct wlan_rsn_ie_hdr: rsn ie header 442 * @elem_id: RSN element id WLAN_ELEMID_RSN. 443 * @len: rsn ie length 444 * @version: RSN ver 445 */ 446 struct wlan_rsn_ie_hdr { 447 u8 elem_id; 448 u8 len; 449 u8 version[2]; 450 }; 451 452 #define WLAN_RSN_IE_MIN_LEN 2 453 454 /** 455 * struct wlan_rsn_ie: rsn ie info 456 * @ver: RSN ver 457 * @gp_cipher_suite: group cipher 458 * @pwise_cipher_count: number of pw cipher 459 * @pwise_cipher_suites: pair wise cipher list 460 * @akm_suite_count: Number of akm suite 461 * @akm_suites: akm suites list 462 * @cap: RSN capability 463 * @pmkid_count: number of PMKID 464 * @pmkid: PMKID list 465 * @mgmt_cipher_suite: management (11w) cipher suite 466 */ 467 struct wlan_rsn_ie { 468 uint16_t ver; 469 uint32_t gp_cipher_suite; 470 uint16_t pwise_cipher_count; 471 uint32_t pwise_cipher_suites[WLAN_MAX_CIPHER]; 472 uint16_t akm_suite_count; 473 uint32_t akm_suites[WLAN_MAX_CIPHER]; 474 uint16_t cap; 475 uint16_t pmkid_count; 476 uint8_t pmkid[MAX_PMKID][PMKID_LEN]; 477 uint32_t mgmt_cipher_suite; 478 }; 479 480 #define WLAN_WAPI_IE_MIN_LEN 20 481 482 /** 483 * struct wlan_wpa_ie_hdr: wpa ie header 484 * @elem_id: Wpa element id, vender specific. 485 * @len: wpa ie length 486 * @oui: 24-bit OUI followed by 8-bit OUI type 487 * @version: wpa ver 488 */ 489 struct wlan_wpa_ie_hdr { 490 u8 elem_id; 491 u8 len; 492 u8 oui[4]; 493 u8 version[2]; 494 }; 495 496 /** 497 * struct wlan_wpa_ie: WPA ie info 498 * @ver: WPA ver 499 * @mc_cipher: multicast cipher 500 * @uc_cipher_count: number of unicast cipher 501 * @uc_ciphers: unicast cipher list 502 * @auth_suite_count: Number of akm suite 503 * @auth_suites: akm suites list 504 * @cap: WPA capability 505 */ 506 struct wlan_wpa_ie { 507 uint16_t ver; 508 uint32_t mc_cipher; 509 uint16_t uc_cipher_count; 510 uint32_t uc_ciphers[WLAN_MAX_CIPHER]; 511 uint16_t auth_suite_count; 512 uint32_t auth_suites[WLAN_MAX_CIPHER]; 513 uint16_t cap; 514 }; 515 516 #define WAPI_VERSION 1 517 #define WLAN_WAPI_OUI 0x721400 518 519 #define WLAN_WAPI_SEL(x) (((x) << 24) | WLAN_WAPI_OUI) 520 521 #define WLAN_WAI_CERT_OR_SMS4 0x01 522 #define WLAN_WAI_PSK 0x02 523 524 /** 525 * struct wlan_wapi_ie: WAPI ie info 526 * @ver: WAPI ver 527 * @akm_suite_count: Number of akm suite 528 * @akm_suites: akm suites list 529 * @uc_cipher_suites:unicast cipher count 530 * @uc_cipher_suites: unicast cipher suite 531 * @mc_cipher_suite: mc cipher suite 532 */ 533 struct wlan_wapi_ie { 534 uint16_t ver; 535 uint16_t akm_suite_count; 536 uint32_t akm_suites[WLAN_MAX_CIPHER]; 537 uint16_t uc_cipher_count; 538 uint32_t uc_cipher_suites[WLAN_MAX_CIPHER]; 539 uint32_t mc_cipher_suite; 540 }; 541 542 /** 543 * struct wlan_frame_hdr: generic IEEE 802.11 frames 544 * @i_fc: frame control 545 * @i_dur: duration field 546 * @i_addr1: mac address 1 547 * @i_addr2: mac address 2 548 * @i_addr3: mac address 3 549 * @i_seq: seq info 550 */ 551 struct wlan_frame_hdr { 552 uint8_t i_fc[2]; 553 uint8_t i_dur[2]; 554 union { 555 struct { 556 uint8_t i_addr1[QDF_MAC_ADDR_SIZE]; 557 uint8_t i_addr2[QDF_MAC_ADDR_SIZE]; 558 uint8_t i_addr3[QDF_MAC_ADDR_SIZE]; 559 }; 560 uint8_t i_addr_all[3 * QDF_MAC_ADDR_SIZE]; 561 }; 562 uint8_t i_seq[2]; 563 } qdf_packed; 564 565 struct wlan_frame_hdr_qos { 566 uint8_t i_fc[2]; 567 uint8_t i_dur[2]; 568 union { 569 struct { 570 uint8_t i_addr1[QDF_MAC_ADDR_SIZE]; 571 uint8_t i_addr2[QDF_MAC_ADDR_SIZE]; 572 uint8_t i_addr3[QDF_MAC_ADDR_SIZE]; 573 }; 574 uint8_t i_addr_all[3 * QDF_MAC_ADDR_SIZE]; 575 }; 576 uint8_t i_seq[2]; 577 uint8_t i_qos[2]; 578 } qdf_packed; 579 580 struct wlan_frame_hdr_qos_addr4 { 581 uint8_t i_fc[2]; 582 uint8_t i_dur[2]; 583 union { 584 struct { 585 uint8_t i_addr1[QDF_MAC_ADDR_SIZE]; 586 uint8_t i_addr2[QDF_MAC_ADDR_SIZE]; 587 uint8_t i_addr3[QDF_MAC_ADDR_SIZE]; 588 }; 589 uint8_t i_addr_all[3 * QDF_MAC_ADDR_SIZE]; 590 }; 591 uint8_t i_seq[2]; 592 uint8_t i_addr4[QDF_MAC_ADDR_SIZE]; 593 uint8_t i_qos[2]; 594 } qdf_packed; 595 596 /* sequence number offset base on begin of mac header */ 597 #define WLAN_SEQ_CTL_OFFSET 22 598 #define WLAN_LOW_SEQ_NUM_MASK 0x000F 599 #define WLAN_HIGH_SEQ_NUM_MASK 0x0FF0 600 #define WLAN_HIGH_SEQ_NUM_OFFSET 4 601 602 /** 603 * struct wlan_seq_ctl: sequence number control 604 * @frag_num: frag number 605 * @seq_num_lo: sequence number low byte 606 * @seq_num_hi: sequence number high byte 607 */ 608 struct wlan_seq_ctl { 609 uint8_t frag_num:4; 610 uint8_t seq_num_lo:4; 611 uint8_t seq_num_hi:8; 612 } qdf_packed; 613 614 /** 615 * union wlan_capability : wlan_capability info 616 * @value: capability value 617 */ 618 union wlan_capability { 619 struct caps { 620 uint16_t ess:1; 621 uint16_t ibss:1; 622 uint16_t cf_pollable:1; 623 uint16_t cf_poll_request:1; 624 uint16_t privacy:1; 625 uint16_t short_preamble:1; 626 uint16_t pbcc:1; 627 uint16_t channel_agility:1; 628 uint16_t spectrum_management:1; 629 uint16_t qos:1; 630 uint16_t short_slot_time:1; 631 uint16_t apsd:1; 632 uint16_t reserved2:1; 633 uint16_t dsss_ofdm:1; 634 uint16_t del_block_ack:1; 635 uint16_t immed_block_ack:1; 636 } wlan_caps; 637 uint16_t value; 638 } qdf_packed; 639 640 /** 641 * struct ie_header : IE header 642 * @ie_id: Element Id 643 * @ie_len: IE Length 644 */ 645 struct ie_header { 646 uint8_t ie_id; 647 uint8_t ie_len; 648 } qdf_packed; 649 650 /** 651 * struct extn_ie_header : Extension IE header 652 * @ie_id: Element Id 653 * @ie_len: IE Length 654 * @ie_extn_id: extension id 655 */ 656 struct extn_ie_header { 657 uint8_t ie_id; 658 uint8_t ie_len; 659 uint8_t ie_extn_id; 660 } qdf_packed; 661 662 663 /** 664 * struct ie_ssid : ssid IE 665 * @ssid_id: SSID Element Id 666 * @ssid_len: SSID IE Length 667 * @ssid: ssid value 668 */ 669 struct ie_ssid { 670 uint8_t ssid_id; 671 uint8_t ssid_len; 672 uint8_t ssid[WLAN_SSID_MAX_LEN]; 673 } qdf_packed; 674 675 /** 676 * struct ds_ie : ds IE 677 * @ie: DS Element Id 678 * @len: DS IE Length 679 * @cur_chan: channel info 680 */ 681 struct ds_ie { 682 uint8_t ie; 683 uint8_t len; 684 uint8_t cur_chan; 685 } qdf_packed; 686 687 /** 688 * struct erp_ie: ERP IE 689 * @ie: ERP Element Id 690 * @len: ERP IE Length 691 * @value: EP Info 692 */ 693 struct erp_ie { 694 uint8_t ie; 695 uint8_t len; 696 uint8_t value; 697 } qdf_packed; 698 699 /** 700 * struct htcap_cmn_ie: HT common IE info 701 * @hc_cap: HT capabilities 702 * @ampdu_param: ampdu params 703 * @mcsset: supported MCS set 704 * @extcap: extended HT capabilities 705 * @txbf_cap: txbf capabilities 706 * @antenna: antenna capabilities 707 */ 708 struct htcap_cmn_ie { 709 uint16_t hc_cap; 710 uint8_t ampdu_param; 711 uint8_t mcsset[16]; 712 uint16_t extcap; 713 uint32_t txbf_cap; 714 uint8_t antenna; 715 } qdf_packed; 716 717 /** 718 * struct htcap_ie: HT Capability IE 719 * @id: HT IE 720 * @len: HT IE LEN 721 * @ie: HT cap info 722 */ 723 struct htcap_ie { 724 uint8_t id; 725 uint8_t len; 726 struct htcap_cmn_ie ie; 727 } qdf_packed; 728 729 /** 730 * struct fils_indication_ie: FILS indication IE element 731 * @id: id 732 * @len: len 733 * @public_key_identifiers_cnt: public key identifiers count 734 * @realm_identifiers_cnt: realm identifiers count 735 * @is_ip_config_supported: whether ip config is supported in AP 736 * @is_cache_id_present: whether cache identifier is present 737 * @is_hessid_present: whether hessid is present 738 * @is_fils_sk_auth_supported: FILS shared key authentication is supported 739 * @is_fils_sk_auth_pfs_supported: FILS shared key auth with PFS is supported 740 * @is_pk_auth_supported: FILS public key authentication is supported 741 * @reserved: reserved 742 * @variable_data: pointer to data depends on initial variables 743 */ 744 struct fils_indication_ie { 745 uint8_t id; 746 uint8_t len; 747 uint16_t public_key_identifiers_cnt:3; 748 uint16_t realm_identifiers_cnt:3; 749 uint16_t is_ip_config_supported:1; 750 uint16_t is_cache_id_present:1; 751 uint16_t is_hessid_present:1; 752 uint16_t is_fils_sk_auth_supported:1; 753 uint16_t is_fils_sk_auth_pfs_supported:1; 754 uint16_t is_pk_auth_supported:1; 755 uint16_t reserved:4; 756 uint8_t variable_data[253]; 757 } qdf_packed; 758 759 #define WLAN_VENDOR_HT_IE_OFFSET_LEN 4 760 761 /** 762 * struct wlan_vendor_ie_htcap: vendor private HT Capability IE 763 * @id: HT IE 764 * @hlen: HT IE len 765 * @oui: vendor OUI 766 * @oui_type: Oui type 767 * @ie: HT cap info 768 */ 769 struct wlan_vendor_ie_htcap { 770 uint8_t id; 771 uint8_t hlen; 772 uint8_t oui[3]; 773 uint8_t oui_type; 774 struct htcap_cmn_ie ie; 775 } qdf_packed; 776 777 /** 778 * struct wlan_ie_htinfo_cmn: ht info comman 779 * @hi_ctrlchannel: control channel 780 * @hi_extchoff: B0-1 extension channel offset 781 * @hi_txchwidth: B2 recommended xmiss width set 782 * @hi_rifsmode: rifs mode 783 * @hi_ctrlaccess: controlled access only 784 * @hi_serviceinterval: B5-7 svc interval granularity 785 * @uhi_opmode: B0-1 operating mode 786 * @hi_nongfpresent: B2 non greenfield devices present 787 * @hi_txburstlimit: B3 transmit burst limit 788 * @hi_obssnonhtpresent: B4 OBSS non-HT STA present 789 * @hi_reserved0: B5-15 reserved 790 * @hi_reserved2: B0-5 reserved 791 * @hi_dualbeacon: B6 dual beacon 792 * @hi_dualctsprot: B7 dual CTS protection 793 * @hi_stbcbeacon: B8 STBC beacon 794 * @hi_lsigtxopprot: B9 l-sig txop protection full support 795 * @hi_pcoactive: B10 pco active 796 * @hi_pcophase: B11 pco phase 797 * @hi_reserved1: B12-15 reserved 798 * @hi_basicmcsset[16]: basic MCS set 799 */ 800 struct wlan_ie_htinfo_cmn { 801 uint8_t hi_ctrlchannel; 802 uint8_t hi_extchoff:2, 803 hi_txchwidth:1, 804 hi_rifsmode:1, 805 hi_ctrlaccess:1, 806 hi_serviceinterval:3; 807 uint16_t hi_opmode:2, 808 hi_nongfpresent:1, 809 hi_txburstlimit:1, 810 hi_obssnonhtpresent:1, 811 hi_reserved0:11; 812 uint16_t hi_reserved2:6, 813 hi_dualbeacon:1, 814 hi_dualctsprot:1, 815 hi_stbcbeacon:1, 816 hi_lsigtxopprot:1, 817 hi_pcoactive:1, 818 hi_pcophase:1, 819 hi_reserved1:4; 820 uint8_t hi_basicmcsset[16]; 821 } qdf_packed; 822 823 /** 824 * struct wlan_ie_htinfo: HT info IE 825 * @hi_id: HT info IE 826 * @hi_len: HT info IE len 827 * @hi_ie: HT info info 828 */ 829 struct wlan_ie_htinfo { 830 uint8_t hi_id; 831 uint8_t hi_len; 832 struct wlan_ie_htinfo_cmn hi_ie; 833 } qdf_packed; 834 835 /** 836 * struct wlan_ie_htinfo: vendor private HT info IE 837 * @hi_id: HT info IE 838 * @hi_len: HT info IE len 839 * @hi_oui: vendor OUI 840 * @hi_ouitype: Oui type 841 * @hi_ie: HT info info 842 */ 843 struct wlan_vendor_ie_htinfo { 844 uint8_t hi_id; 845 uint8_t hi_len; 846 uint8_t hi_oui[3]; 847 uint8_t hi_ouitype; 848 struct wlan_ie_htinfo_cmn hi_ie; 849 } qdf_packed; 850 851 #define WLAN_VENDOR_VHTCAP_IE_OFFSET 7 852 #define WLAN_VENDOR_VHTOP_IE_OFFSET 21 853 854 /** 855 * struct wlan_ie_vhtcaps - VHT capabilities 856 * @elem_id: VHT caps IE 857 * @elem_len: VHT caps IE len 858 * @max_mpdu_len: MPDU length 859 * @supported_channel_widthset: channel width set 860 * @ldpc_coding: LDPC coding capability 861 * @shortgi80: short GI 80 support 862 * @shortgi160and80plus80: short Gi 160 & 80+80 support 863 * @tx_stbc; Tx STBC cap 864 * @tx_stbc: Rx STBC cap 865 * @su_beam_former: SU beam former cap 866 * @su_beam_formee: SU beam formee cap 867 * @csnof_beamformer_antSup: Antenna support for beamforming 868 * @num_soundingdim: Sound dimensions 869 * @mu_beam_former: MU beam former cap 870 * @mu_beam_formee: MU beam formee cap 871 * @vht_txops: TXOP power save 872 * @htc_vhtcap: HTC VHT capability 873 * @max_ampdu_lenexp: AMPDU length 874 * @vht_link_adapt: VHT link adapatation capable 875 * @rx_antpattern: Rx Antenna pattern 876 * @tx_antpattern: Tx Antenna pattern 877 * @rx_mcs_map: RX MCS map 878 * @rx_high_sup_data_rate : highest RX supported data rate 879 * @tx_mcs_map: TX MCS map 880 * @tx_sup_data_rate: highest TX supported data rate 881 */ 882 struct wlan_ie_vhtcaps { 883 uint8_t elem_id; 884 uint8_t elem_len; 885 uint32_t max_mpdu_len:2; 886 uint32_t supported_channel_widthset:2; 887 uint32_t ldpc_coding:1; 888 uint32_t shortgi80:1; 889 uint32_t shortgi160and80plus80:1; 890 uint32_t tx_stbc:1; 891 uint32_t rx_stbc:3; 892 uint32_t su_beam_former:1; 893 uint32_t su_beam_formee:1; 894 uint32_t csnof_beamformer_antSup:3; 895 uint32_t num_soundingdim:3; 896 uint32_t mu_beam_former:1; 897 uint32_t mu_beam_formee:1; 898 uint32_t vht_txops:1; 899 uint32_t htc_vhtcap:1; 900 uint32_t max_ampdu_lenexp:3; 901 uint32_t vht_link_adapt:2; 902 uint32_t rx_antpattern:1; 903 uint32_t tx_antpattern:1; 904 uint32_t unused:2; 905 uint16_t rx_mcs_map; 906 uint16_t rx_high_sup_data_rate:13; 907 uint16_t reserved2:3; 908 uint16_t tx_mcs_map; 909 uint16_t tx_sup_data_rate:13; 910 uint16_t reserved3:3; 911 } qdf_packed; 912 913 /** 914 * struct wlan_ie_vhtop: VHT op IE 915 * @elem_id: VHT op IE 916 * @elem_len: VHT op IE len 917 * @vht_op_chwidth: BSS Operational Channel width 918 * @vht_op_ch_freq_seg1: Channel Center frequency 919 * @vht_op_ch_freq_seg2: Channel Center frequency for 80+80MHz 920 * @vhtop_basic_mcs_set: Basic MCS set 921 */ 922 struct wlan_ie_vhtop { 923 uint8_t elem_id; 924 uint8_t elem_len; 925 uint8_t vht_op_chwidth; 926 uint8_t vht_op_ch_freq_seg1; 927 uint8_t vht_op_ch_freq_seg2; 928 uint16_t vhtop_basic_mcs_set; 929 } qdf_packed; 930 931 /** 932 * struct wlan_country_ie: country IE 933 * @ie: country IE 934 * @len: IE len 935 * @cc: country code 936 */ 937 struct wlan_country_ie { 938 uint8_t ie; 939 uint8_t len; 940 uint8_t cc[3]; 941 } qdf_packed; 942 943 /** 944 * struct wlan_country_ie: country IE 945 * @ie: QBSS IE 946 * @len: IE len 947 * @station_count: number of station associated 948 * @qbss_chan_load: qbss channel load 949 * @qbss_load_avail: qbss_load_avail 950 */ 951 struct qbss_load_ie { 952 uint8_t ie; 953 uint8_t len; 954 uint16_t station_count; 955 uint8_t qbss_chan_load; 956 uint16_t qbss_load_avail; 957 } qdf_packed; 958 959 /** 960 * struct wlan_bcn_frame: beacon frame fixed params 961 * @timestamp: the value of sender's TSFTIMER 962 * @beacon_interval: beacon interval 963 * @capability: capability 964 * @ie: variable IE 965 */ 966 struct wlan_bcn_frame { 967 uint8_t timestamp[8]; 968 uint16_t beacon_interval; 969 union wlan_capability capability; 970 struct ie_header ie; 971 } qdf_packed; 972 973 #define WLAN_TIM_IE_MIN_LENGTH 4 974 975 /** 976 * struct wlan_tim_ie: tim IE 977 * @tim_ie: Time IE 978 * @tim_len: TIM IE len 979 * @tim_count: dtim count 980 * @tim_period: dtim period 981 * @tim_bitctl: bitmap control 982 * @tim_bitmap: variable length bitmap 983 */ 984 struct wlan_tim_ie { 985 uint8_t tim_ie; /* WLAN_ELEMID_TIM */ 986 uint8_t tim_len; 987 uint8_t tim_count; /* DTIM count */ 988 uint8_t tim_period; /* DTIM period */ 989 uint8_t tim_bitctl; /* bitmap control */ 990 uint8_t tim_bitmap[251]; /* variable-length bitmap */ 991 } qdf_packed; 992 993 /** 994 * struct rsn_mdie: mobility domain IE 995 * @rsn_id: RSN IE id 996 * @rsn_len: RSN IE len 997 * @mobility_domain: mobility domain info 998 * @ft_capab: ft capability 999 * 1000 * Reference 9.4.2.47 Mobility Domain element (MDE) of 802.11-2016 1001 */ 1002 struct rsn_mdie { 1003 uint8_t rsn_id; 1004 uint8_t rsn_len; 1005 uint8_t mobility_domain[2]; 1006 uint8_t ft_capab; 1007 } qdf_packed; 1008 1009 /** 1010 * struct srp_ie: Spatial reuse parameter IE 1011 * @srp_id: SRP IE id 1012 * @srp_len: SRP IE len 1013 * @srp_id_extn: SRP Extension ID 1014 * @sr_control: sr control 1015 * @non_srg_obsspd_max_offset: non srg obsspd max offset 1016 * @srg_obss_pd_min_offset: srg obss pd min offset 1017 * @srg_obss_pd_max_offset: srg obss pd max offset 1018 * @srg_bss_color_bitmap: srg bss color bitmap 1019 * @srg_partial_bssid_bitmap: srg partial bssid bitmap 1020 */ 1021 struct wlan_srp_ie { 1022 uint8_t srp_id; 1023 uint8_t srp_len; 1024 uint8_t srp_id_extn; 1025 uint8_t sr_control; 1026 union { 1027 struct { 1028 uint8_t non_srg_obsspd_max_offset; 1029 uint8_t srg_obss_pd_min_offset; 1030 uint8_t srg_obss_pd_max_offset; 1031 uint8_t srg_bss_color_bitmap[8]; 1032 uint8_t srg_partial_bssid_bitmap[8]; 1033 } qdf_packed nonsrg_srg_info; 1034 struct { 1035 uint8_t non_srg_obsspd_max_offset; 1036 } qdf_packed nonsrg_info; 1037 struct { 1038 uint8_t srg_obss_pd_min_offset; 1039 uint8_t srg_obss_pd_max_offset; 1040 uint8_t srg_bss_color_bitmap[8]; 1041 uint8_t srg_partial_bssid_bitmap[8]; 1042 } qdf_packed srg_info; 1043 }; 1044 } qdf_packed; 1045 1046 #define ESP_INFORMATION_LIST_LENGTH 3 1047 #define MAX_ESP_INFORMATION_FIELD 4 1048 /* 1049 * enum access_category: tells about access category in ESP paramameter 1050 * @ESP_AC_BK: ESP access category for background 1051 * @ESP_AC_BE: ESP access category for best effort 1052 * @ESP_AC_VI: ESP access category for video 1053 * @ESP_AC_VO: ESP access category for Voice 1054 */ 1055 enum access_category { 1056 ESP_AC_BK, 1057 ESP_AC_BE, 1058 ESP_AC_VI, 1059 ESP_AC_VO, 1060 1061 }; 1062 /* 1063 * struct wlan_esp_info: structure for Esp information parameter 1064 * @access_category: access category info 1065 * @reserved: reserved 1066 * @data_format: two bits in length and tells about data format 1067 * i.e. 0 = No aggregation is expected to be performed for MSDUs or MPDUs with 1068 * the Type subfield equal to Data for the corresponding AC 1069 * 1 = A-MSDU aggregation is expected to be performed for MSDUs for the 1070 * corresponding AC, but A-MPDU aggregation is not expected to be performed 1071 * for MPDUs with the Type subfield equal to Data for the corresponding AC 1072 * 2 = A-MPDU aggregation is expected to be performed for MPDUs with the Type 1073 * subfield equal to Data for the corresponding AC, but A-MSDU aggregation is 1074 * not expected to be performed for MSDUs for the corresponding AC 1075 * 3 = A-MSDU aggregation is expected to be performed for MSDUs for the 1076 * corresponding AC and A-MPDU aggregation is expected to be performed for 1077 * MPDUs with the Type subfield equal to Data for the corresponding AC 1078 * @ba_window_size: BA Window Size subfield is three bits in length and 1079 * indicates the size of the Block Ack window that is 1080 * expected for the corresponding access category 1081 * @estimated_air_fraction: Estimated Air Time Fraction subfield is 8 bits in 1082 * length and contains an unsigned integer that represents 1083 * the predicted percentage of time, linearly scaled with 255 representing 1084 * 100%, that a new STA joining the 1085 * BSS will be allocated for PPDUs that contain only 1086 * MPDUs with the Type 1087 * subfield equal to Data of the 1088 * corresponding access category for that STA. 1089 * @ppdu_duration: Data PPDU Duration Target field 1090 * is 8 bits in length and is 1091 * an unsigned integer that indicates the 1092 * expected target duration of PPDUs that contain only MPDUs with the Type 1093 * subfield equal to Data for the 1094 * corresponding access category in units of 50 μs 1095 */ 1096 struct wlan_esp_info { 1097 uint8_t access_category:2; 1098 uint8_t reserved:1; 1099 uint8_t data_format:2; 1100 uint8_t ba_window_size:3; 1101 uint8_t estimated_air_fraction; 1102 uint8_t ppdu_duration; 1103 }; 1104 1105 /** 1106 * struct wlan_esp_ie: struct for ESP information 1107 * @esp_id: ESP IE id 1108 * @esp_len: ESP IE len 1109 * @esp_id_extn: ESP Extension ID 1110 * @esp_info_AC_BK: ESP information related to BK category 1111 * @esp_info_AC_BE: ESP information related to BE category 1112 * @esp_info_AC_VI: ESP information related to VI category 1113 * @esp_info_AC_VO: ESP information related to VO category 1114 */ 1115 struct wlan_esp_ie { 1116 uint8_t esp_id; 1117 uint8_t esp_len; 1118 uint8_t esp_id_extn; 1119 struct wlan_esp_info esp_info_AC_BK; 1120 struct wlan_esp_info esp_info_AC_BE; 1121 struct wlan_esp_info esp_info_AC_VI; 1122 struct wlan_esp_info esp_info_AC_VO; 1123 } qdf_packed; 1124 1125 /** 1126 * struct wlan_ext_cap_ie - struct for extended capabilities information 1127 * @ext_cap_id: Extended capabilities id 1128 * @ext_cap_len: Extended capabilities IE len 1129 * @ext_caps: Variable length extended capabilities information 1130 */ 1131 struct wlan_ext_cap_ie { 1132 uint8_t ext_cap_id; 1133 uint8_t ext_cap_len; 1134 uint8_t ext_caps[]; 1135 } qdf_packed; 1136 1137 /** 1138 * struct oce_reduced_wan_metrics: struct for oce wan metrics 1139 * @downlink_av_cap: Download available capacity 1140 * @uplink_av_cap: Upload available capacity 1141 */ 1142 struct oce_reduced_wan_metrics { 1143 uint8_t downlink_av_cap:4; 1144 uint8_t uplink_av_cap:4; 1145 }; 1146 1147 /** 1148 * is_wpa_oui() - If vendor IE is WPA type 1149 * @frm: vendor IE pointer 1150 * 1151 * API to check if vendor IE is WPA 1152 * 1153 * Return: true if its WPA IE 1154 */ 1155 static inline bool 1156 is_wpa_oui(uint8_t *frm) 1157 { 1158 return (frm[1] > 3) && (LE_READ_4(frm + 2) == 1159 ((WLAN_WPA_OUI_TYPE << 24) | WLAN_WPA_OUI)); 1160 } 1161 1162 /** 1163 * is_wps_oui() - If vendor IE is WPS type 1164 * @frm: vendor IE pointer 1165 * 1166 * API to check if vendor IE is WPS 1167 * 1168 * Return: true if its WPS IE 1169 */ 1170 static inline bool 1171 is_wps_oui(const uint8_t *frm) 1172 { 1173 return frm[1] > 3 && BE_READ_4(frm + 2) == WSC_OUI; 1174 } 1175 1176 /** 1177 * is_mbo_oce_oui() - If vendor IE is MBO/OCE type 1178 * @frm: vendor IE pointer 1179 * 1180 * API to check if vendor IE is MBO/OCE 1181 * 1182 * Return: true if its MBO/OCE IE 1183 */ 1184 static inline bool 1185 is_mbo_oce_oui(const uint8_t *frm) 1186 { 1187 return frm[1] > 3 && BE_READ_4(frm + 2) == MBO_OCE_OUI; 1188 } 1189 1190 /** 1191 * is_wcn_oui() - If vendor IE is WCN type 1192 * @frm: vendor IE pointer 1193 * 1194 * API to check if vendor IE is WCN 1195 * 1196 * Return: true if its WCN IE 1197 */ 1198 static inline bool 1199 is_wcn_oui(uint8_t *frm) 1200 { 1201 return (frm[1] > 4) && (LE_READ_4(frm + 2) == 1202 ((WCN_OUI_TYPE << 24) | WCN_OUI)); 1203 } 1204 1205 /** 1206 * is_wme_param() - If vendor IE is WME param type 1207 * @frm: vendor IE pointer 1208 * 1209 * API to check if vendor IE is WME param 1210 * 1211 * Return: true if its WME param IE 1212 */ 1213 static inline bool 1214 is_wme_param(const uint8_t *frm) 1215 { 1216 return (frm[1] > 5) && (LE_READ_4(frm + 2) == 1217 ((WME_OUI_TYPE << 24) | WME_OUI)) && 1218 (frm[6] == WME_PARAM_OUI_SUBTYPE); 1219 } 1220 1221 /** 1222 * is_wme_info() - If vendor IE is WME info type 1223 * @frm: vendor IE pointer 1224 * 1225 * API to check if vendor IE is WME info 1226 * 1227 * Return: true if its WME info IE 1228 */ 1229 static inline bool 1230 is_wme_info(const uint8_t *frm) 1231 { 1232 return (frm[1] > 5) && (LE_READ_4(frm + 2) == 1233 ((WME_OUI_TYPE << 24) | WME_OUI)) && 1234 (frm[6] == WME_INFO_OUI_SUBTYPE); 1235 } 1236 1237 /** 1238 * is_atheros_oui() - If vendor IE is Atheros type 1239 * @frm: vendor IE pointer 1240 * 1241 * API to check if vendor IE is Atheros 1242 * 1243 * Return: true if its Atheros IE 1244 */ 1245 static inline bool 1246 is_atheros_oui(const uint8_t *frm) 1247 { 1248 return (frm[1] > 3) && LE_READ_4(frm + 2) == 1249 ((ATH_OUI_TYPE << 24) | ATH_OUI); 1250 } 1251 1252 /** 1253 * is_atheros_extcap_oui() - If vendor IE is Atheros ext cap 1254 * @frm: vendor IE pointer 1255 * 1256 * API to check if vendor IE is Atheros ext cap 1257 * 1258 * Return: true if its Atheros ext cap IE 1259 */ 1260 static inline int 1261 is_atheros_extcap_oui(uint8_t *frm) 1262 { 1263 return (frm[1] > 3) && (LE_READ_4(frm + 2) == 1264 ((ATH_OUI_EXTCAP_TYPE << 24) | ATH_OUI)); 1265 } 1266 1267 /** 1268 * is_sfa_oui() - If vendor IE is SFA type 1269 * @frm: vendor IE pointer 1270 * 1271 * API to check if vendor IE is SFA 1272 * 1273 * Return: true if its SFA IE 1274 */ 1275 static inline bool 1276 is_sfa_oui(uint8_t *frm) 1277 { 1278 return (frm[1] > 4) && (LE_READ_4(frm + 2) == 1279 ((SFA_OUI_TYPE << 24) | SFA_OUI)); 1280 } 1281 1282 /** 1283 * is_p2p_oui() - If vendor IE is P2P type 1284 * @frm: vendor IE pointer 1285 * 1286 * API to check if vendor IE is P2P 1287 * 1288 * Return: true if its P2P IE 1289 */ 1290 static inline bool 1291 is_p2p_oui(const uint8_t *frm) 1292 { 1293 const uint8_t wfa_oui[3] = P2P_WFA_OUI; 1294 1295 return (frm[1] >= 4) && 1296 (frm[2] == wfa_oui[0]) && 1297 (frm[3] == wfa_oui[1]) && 1298 (frm[4] == wfa_oui[2]) && 1299 (frm[5] == P2P_WFA_VER); 1300 } 1301 1302 /** 1303 * is_qca_son_oui() - If vendor IE is QCA WHC type 1304 * @frm: vendor IE pointer 1305 * @whc_subtype: subtype 1306 * 1307 * API to check if vendor IE is QCA WHC 1308 * 1309 * Return: true if its QCA WHC IE 1310 */ 1311 static inline bool 1312 is_qca_son_oui(uint8_t *frm, uint8_t whc_subtype) 1313 { 1314 return (frm[1] > 4) && (LE_READ_4(frm + 2) == 1315 ((QCA_OUI_WHC_TYPE << 24) | QCA_OUI)) && 1316 (*(frm + 6) == whc_subtype); 1317 } 1318 1319 /** 1320 * is_ht_cap() - If vendor IE is vendor HT cap type 1321 * @frm: vendor IE pointer 1322 * 1323 * API to check if vendor IE is vendor HT cap 1324 * 1325 * Return: true if its vendor HT cap IE 1326 */ 1327 static inline bool 1328 is_ht_cap(uint8_t *frm) 1329 { 1330 return (frm[1] > 3) && (BE_READ_4(frm + 2) == 1331 ((VENDOR_HT_OUI << 8) | VENDOR_HT_CAP_ID)); 1332 } 1333 1334 /** 1335 * is_ht_info() - If vendor IE is vendor HT info type 1336 * @frm: vendor IE pointer 1337 * 1338 * API to check if vendor IE is vendor HT info 1339 * 1340 * Return: true if its vendor HT info IE 1341 */ 1342 static inline bool 1343 is_ht_info(uint8_t *frm) 1344 { 1345 return (frm[1] > 3) && (BE_READ_4(frm + 2) == 1346 ((VENDOR_HT_OUI << 8) | VENDOR_HT_INFO_ID)); 1347 } 1348 1349 /** 1350 * is_interop_vht() - If vendor IE is VHT interop 1351 * @frm: vendor IE pointer 1352 * 1353 * API to check if vendor IE is VHT interop 1354 * 1355 * Return: true if its VHT interop IE 1356 */ 1357 static inline bool 1358 is_interop_vht(uint8_t *frm) 1359 { 1360 return (frm[1] > 12) && (BE_READ_4(frm + 2) == 1361 ((VHT_INTEROP_OUI << 8) | VHT_INTEROP_TYPE)) && 1362 ((*(frm + 6) == VHT_INTEROP_OUI_SUBTYPE) || 1363 (*(frm + 6) == VHT_INTEROP_OUI_SUBTYPE_VENDORSPEC)); 1364 } 1365 1366 /** 1367 * is_bwnss_oui() - If vendor IE is BW NSS type 1368 * @frm: vendor IE pointer 1369 * 1370 * API to check if vendor IE is BW NSS 1371 * 1372 * Return: true if its BW NSS IE 1373 */ 1374 static inline bool 1375 is_bwnss_oui(uint8_t *frm) 1376 { 1377 return (frm[1] > 3) && (LE_READ_4(frm + 2) == 1378 ((ATH_OUI_BW_NSS_MAP_TYPE << 24) | ATH_OUI)); 1379 } 1380 1381 /** 1382 * is_he_cap_oui() - If vendor IE is HE CAP OUI 1383 * @frm: vendor IE pointer 1384 * 1385 * API to check if vendor IE is HE CAP 1386 * 1387 * Return: true if its HE CAP IE 1388 */ 1389 static inline bool 1390 is_he_cap_oui(uint8_t *frm) 1391 { 1392 return (frm[1] > 4) && (LE_READ_4(frm + 2) == 1393 ((ATH_HE_CAP_SUBTYPE << 24) | ATH_HE_OUI)); 1394 } 1395 1396 /** 1397 * is_he_op_oui() - If vendor IE is HE OP OUI 1398 * @frm: vendor IE pointer 1399 * 1400 * API to check if vendor IE is HE OP OUT 1401 * 1402 * Return: true if its HE OP OUI 1403 */ 1404 static inline bool 1405 is_he_op_oui(uint8_t *frm) 1406 { 1407 return (frm[1] > 4) && (LE_READ_4(frm + 2) == 1408 ((ATH_HE_OP_SUBTYPE << 24) | ATH_HE_OUI)); 1409 } 1410 1411 /** 1412 * is_extender_oui() - If vendor IE is EXTENDER OUI 1413 * @frm: vendor IE pointer 1414 * 1415 * API to check if vendor IE is EXTENDER OUI 1416 * 1417 * Return: true if its EXTENDER OUI 1418 */ 1419 static inline bool 1420 is_extender_oui(uint8_t *frm) 1421 { 1422 return (frm[1] > 4) && (LE_READ_4(frm + 2) == 1423 ((QCA_OUI_EXTENDER_TYPE << 24) | QCA_OUI)); 1424 } 1425 1426 /** 1427 * wlan_parse_rsn_ie() - parse rsn ie 1428 * @rsn_ie: rsn ie ptr 1429 * @rsn: out structure for the parsed ie 1430 * 1431 * API, function to parse rsn ie, if optional fields are not present use the 1432 * default values defined by standard. 1433 * 1434 * Return: QDF_STATUS 1435 */ 1436 static inline QDF_STATUS wlan_parse_rsn_ie(uint8_t *rsn_ie, 1437 struct wlan_rsn_ie *rsn) 1438 { 1439 uint8_t rsn_ie_len, i; 1440 uint8_t *ie; 1441 int rem_len; 1442 const struct wlan_rsn_ie_hdr *hdr; 1443 1444 if (!rsn_ie) 1445 return QDF_STATUS_E_NULL_VALUE; 1446 1447 ie = rsn_ie; 1448 rsn_ie_len = ie[1] + 2; 1449 1450 /* 1451 * Check the length once for fixed parts: 1452 * element id, len and version. Other, variable-length data, 1453 * must be checked separately. 1454 */ 1455 if (rsn_ie_len < sizeof(struct wlan_rsn_ie_hdr)) 1456 return QDF_STATUS_E_INVAL; 1457 1458 hdr = (struct wlan_rsn_ie_hdr *) rsn_ie; 1459 1460 if (hdr->elem_id != WLAN_ELEMID_RSN || 1461 LE_READ_2(hdr->version) != RSN_VERSION) 1462 return QDF_STATUS_E_INVAL; 1463 1464 /* Set default values for optional field. */ 1465 rsn->gp_cipher_suite = WLAN_RSN_SEL(WLAN_CSE_CCMP); 1466 rsn->pwise_cipher_count = 1; 1467 rsn->pwise_cipher_suites[0] = WLAN_RSN_SEL(WLAN_CSE_CCMP); 1468 rsn->akm_suite_count = 1; 1469 rsn->akm_suites[0] = WLAN_RSN_SEL(WLAN_AKM_IEEE8021X); 1470 1471 rsn->ver = LE_READ_2(hdr->version); 1472 1473 ie = (uint8_t *) (hdr + 1); 1474 rem_len = rsn_ie_len - sizeof(*hdr); 1475 1476 /* Check if optional group cipher is present */ 1477 if (rem_len >= WLAN_RSN_SELECTOR_LEN) { 1478 rsn->gp_cipher_suite = LE_READ_4(ie); 1479 ie += WLAN_RSN_SELECTOR_LEN; 1480 rem_len -= WLAN_RSN_SELECTOR_LEN; 1481 } else if (rem_len > 0) { 1482 /* RSN IE is invalid as group cipher is of invalid length */ 1483 return QDF_STATUS_E_INVAL; 1484 } 1485 1486 /* Check if optional pairwise cipher is present */ 1487 if (rem_len >= 2) { 1488 rsn->pwise_cipher_count = LE_READ_2(ie); 1489 ie += 2; 1490 rem_len -= 2; 1491 if (rsn->pwise_cipher_count == 0 || 1492 rsn->pwise_cipher_count > WLAN_MAX_CIPHER || 1493 rsn->pwise_cipher_count > rem_len / WLAN_RSN_SELECTOR_LEN) 1494 return QDF_STATUS_E_INVAL; 1495 for (i = 0; i < rsn->pwise_cipher_count; i++) { 1496 rsn->pwise_cipher_suites[i] = LE_READ_4(ie); 1497 ie += WLAN_RSN_SELECTOR_LEN; 1498 rem_len -= WLAN_RSN_SELECTOR_LEN; 1499 } 1500 } else if (rem_len == 1) { 1501 /* RSN IE is invalid as pairwise cipher is of invalid length */ 1502 return QDF_STATUS_E_INVAL; 1503 } 1504 1505 /* Check if optional akm suite is present */ 1506 if (rem_len >= 2) { 1507 rsn->akm_suite_count = LE_READ_2(ie); 1508 ie += 2; 1509 rem_len -= 2; 1510 if (rsn->akm_suite_count == 0 || 1511 rsn->akm_suite_count > WLAN_MAX_CIPHER || 1512 rsn->akm_suite_count > rem_len / WLAN_RSN_SELECTOR_LEN) 1513 return QDF_STATUS_E_INVAL; 1514 for (i = 0; i < rsn->akm_suite_count; i++) { 1515 rsn->akm_suites[i] = LE_READ_4(ie); 1516 ie += WLAN_RSN_SELECTOR_LEN; 1517 rem_len -= WLAN_RSN_SELECTOR_LEN; 1518 } 1519 } else if (rem_len == 1) { 1520 /* RSN IE is invalid as akm suite is of invalid length */ 1521 return QDF_STATUS_E_INVAL; 1522 } 1523 1524 /* Update capabilty if present */ 1525 if (rem_len >= 2) { 1526 rsn->cap = LE_READ_2(ie); 1527 ie += 2; 1528 rem_len -= 2; 1529 } else if (rem_len == 1) { 1530 /* RSN IE is invalid as cap field is truncated */ 1531 return QDF_STATUS_E_INVAL; 1532 } 1533 1534 /* Update PMKID if present */ 1535 if (rem_len >= 2) { 1536 rsn->pmkid_count = LE_READ_2(ie); 1537 ie += 2; 1538 rem_len -= 2; 1539 if (rsn->pmkid_count > (unsigned int) rem_len / PMKID_LEN) { 1540 rsn->pmkid_count = 0; 1541 return QDF_STATUS_E_INVAL; 1542 } 1543 1544 qdf_mem_copy(rsn->pmkid, ie, 1545 rsn->pmkid_count * PMKID_LEN); 1546 ie += rsn->pmkid_count * PMKID_LEN; 1547 rem_len -= rsn->pmkid_count * PMKID_LEN; 1548 } else if (rem_len == 1) { 1549 /* RSN IE is invalid as pmkid count field is truncated */ 1550 return QDF_STATUS_E_INVAL; 1551 } 1552 1553 /* Update mgmt cipher if present */ 1554 if (rem_len >= WLAN_RSN_SELECTOR_LEN) { 1555 rsn->mgmt_cipher_suite = LE_READ_4(ie); 1556 ie += WLAN_RSN_SELECTOR_LEN; 1557 rem_len -= WLAN_RSN_SELECTOR_LEN; 1558 } else if (rem_len > 0) { 1559 /* RSN IE is invalid as mgmt cipher is truncated */ 1560 return QDF_STATUS_E_INVAL; 1561 } 1562 1563 return QDF_STATUS_SUCCESS; 1564 } 1565 1566 /** 1567 * wlan_parse_wpa_ie() - parse wpa ie 1568 * @wpa_ie: wpa ie ptr 1569 * @wpa: out structure for the parsed ie 1570 * 1571 * API, function to parse wpa ie, if optional fields are not present use the 1572 * default values defined by standard. 1573 * 1574 * Return: QDF_STATUS 1575 */ 1576 static inline QDF_STATUS wlan_parse_wpa_ie(uint8_t *wpa_ie, 1577 struct wlan_wpa_ie *wpa) 1578 { 1579 uint8_t wpa_ie_len, i; 1580 uint8_t *ie; 1581 int rem_len; 1582 struct wlan_wpa_ie_hdr *hdr; 1583 1584 if (!wpa_ie) 1585 return QDF_STATUS_E_NULL_VALUE; 1586 1587 ie = wpa_ie; 1588 wpa_ie_len = ie[1] + 2; 1589 1590 /* 1591 * Check the length once for fixed parts: 1592 * element id, len, oui and version. Other, variable-length data, 1593 * must be checked separately. 1594 */ 1595 if (wpa_ie_len < sizeof(struct wlan_wpa_ie_hdr)) 1596 return QDF_STATUS_E_INVAL; 1597 1598 hdr = (struct wlan_wpa_ie_hdr *) wpa_ie; 1599 1600 if (hdr->elem_id != WLAN_ELEMID_VENDOR || 1601 !is_wpa_oui(wpa_ie) || 1602 LE_READ_2(hdr->version) != WPA_VERSION) 1603 return QDF_STATUS_E_INVAL; 1604 1605 /* Set default values for optional field. */ 1606 wpa->mc_cipher = WLAN_WPA_SEL(WLAN_CSE_TKIP); 1607 wpa->uc_cipher_count = 1; 1608 wpa->uc_ciphers[0] = WLAN_WPA_SEL(WLAN_CSE_TKIP); 1609 wpa->auth_suite_count = 1; 1610 wpa->auth_suites[0] = WLAN_WPA_SEL(WLAN_ASE_8021X_UNSPEC); 1611 1612 wpa->ver = LE_READ_2(hdr->version); 1613 ie = (uint8_t *) (hdr + 1); 1614 rem_len = wpa_ie_len - sizeof(*hdr); 1615 1616 /* Check if optional group cipher is present */ 1617 if (rem_len >= WLAN_WPA_SELECTOR_LEN) { 1618 wpa->mc_cipher = LE_READ_4(ie); 1619 ie += WLAN_WPA_SELECTOR_LEN; 1620 rem_len -= WLAN_WPA_SELECTOR_LEN; 1621 } else if (rem_len > 0) { 1622 /* WPA IE is invalid as group cipher is of invalid length */ 1623 return QDF_STATUS_E_INVAL; 1624 } 1625 1626 /* Check if optional pairwise cipher is present */ 1627 if (rem_len >= 2) { 1628 wpa->uc_cipher_count = LE_READ_2(ie); 1629 ie += 2; 1630 rem_len -= 2; 1631 if (wpa->uc_cipher_count == 0 || 1632 wpa->uc_cipher_count > WLAN_MAX_CIPHER || 1633 wpa->uc_cipher_count > rem_len / WLAN_WPA_SELECTOR_LEN) 1634 return QDF_STATUS_E_INVAL; 1635 for (i = 0; i < wpa->uc_cipher_count; i++) { 1636 wpa->uc_ciphers[i] = LE_READ_4(ie); 1637 ie += WLAN_WPA_SELECTOR_LEN; 1638 rem_len -= WLAN_WPA_SELECTOR_LEN; 1639 } 1640 } else if (rem_len == 1) { 1641 /* WPA IE is invalid as pairwise cipher is of invalid length */ 1642 return QDF_STATUS_E_INVAL; 1643 } 1644 1645 /* Check if optional akm suite is present */ 1646 if (rem_len >= 2) { 1647 wpa->auth_suite_count = LE_READ_2(ie); 1648 ie += 2; 1649 rem_len -= 2; 1650 if (wpa->auth_suite_count == 0 || 1651 wpa->auth_suite_count > WLAN_MAX_CIPHER || 1652 wpa->auth_suite_count > rem_len / WLAN_WPA_SELECTOR_LEN) 1653 return QDF_STATUS_E_INVAL; 1654 for (i = 0; i < wpa->auth_suite_count; i++) { 1655 wpa->auth_suites[i] = LE_READ_4(ie); 1656 ie += WLAN_WPA_SELECTOR_LEN; 1657 rem_len -= WLAN_WPA_SELECTOR_LEN; 1658 } 1659 } else if (rem_len == 1) { 1660 /* WPA IE is invalid as akm suite is of invalid length */ 1661 return QDF_STATUS_E_INVAL; 1662 } 1663 1664 /* Update capabilty if optional capabilty is present */ 1665 if (rem_len >= 2) { 1666 wpa->cap = LE_READ_2(ie); 1667 ie += 2; 1668 rem_len -= 2; 1669 } 1670 1671 return QDF_STATUS_SUCCESS; 1672 } 1673 1674 /** 1675 * wlan_parse_wapi_ie() - parse wapi ie 1676 * @wapi_ie: wpa ie ptr 1677 * @wapi: out structure for the parsed IE 1678 * 1679 * API, function to parse wapi ie 1680 * 1681 * Return: void 1682 */ 1683 static inline void wlan_parse_wapi_ie(uint8_t *wapi_ie, 1684 struct wlan_wapi_ie *wapi) 1685 { 1686 uint8_t len, i; 1687 uint8_t *ie; 1688 1689 if (!wapi_ie) 1690 return; 1691 1692 ie = wapi_ie; 1693 len = ie[1]; 1694 /* 1695 * Check the length once for fixed parts: OUI, type, 1696 * version, mcast cipher, and 2 selector counts. 1697 * Other, variable-length data, must be checked separately. 1698 */ 1699 if (len < 20) 1700 return; 1701 1702 ie += 2; 1703 1704 wapi->ver = LE_READ_2(ie); 1705 if (wapi->ver != WAPI_VERSION) 1706 return; 1707 1708 ie += 2; 1709 len -= 2; 1710 1711 /* akm */ 1712 wapi->akm_suite_count = LE_READ_2(ie); 1713 1714 ie += 2; 1715 len -= 2; 1716 1717 if ((wapi->akm_suite_count > WLAN_MAX_CIPHER) || 1718 len < (wapi->akm_suite_count * WLAN_OUI_SIZE)) 1719 return; 1720 for (i = 0 ; i < wapi->akm_suite_count; i++) { 1721 wapi->akm_suites[i] = LE_READ_4(ie); 1722 ie += WLAN_OUI_SIZE; 1723 len -= WLAN_OUI_SIZE; 1724 } 1725 1726 wapi->uc_cipher_count = LE_READ_2(ie); 1727 ie += 2; 1728 len -= 2; 1729 if ((wapi->uc_cipher_count > WLAN_MAX_CIPHER) || 1730 len < (wapi->uc_cipher_count * WLAN_OUI_SIZE + 2)) 1731 return; 1732 for (i = 0 ; i < wapi->uc_cipher_count; i++) { 1733 wapi->uc_cipher_suites[i] = LE_READ_4(ie); 1734 ie += WLAN_OUI_SIZE; 1735 len -= WLAN_OUI_SIZE; 1736 } 1737 1738 if (len >= WLAN_OUI_SIZE) 1739 wapi->mc_cipher_suite = LE_READ_4(ie); 1740 } 1741 1742 /** 1743 * wlan_parse_oce_reduced_wan_metrics_ie() - parse oce wan metrics 1744 * @mbo_oce_ie: MBO/OCE ie ptr 1745 * @wan_metrics: out structure for the reduced wan metric 1746 * 1747 * API, function to parse reduced wan metric 1748 * 1749 * Return: true if oce wan metrics is present 1750 */ 1751 static inline bool 1752 wlan_parse_oce_reduced_wan_metrics_ie(uint8_t *mbo_oce_ie, 1753 struct oce_reduced_wan_metrics *wan_metrics) 1754 { 1755 uint8_t len, attribute_len, attribute_id; 1756 uint8_t *ie; 1757 1758 if (!mbo_oce_ie) 1759 return false; 1760 1761 ie = mbo_oce_ie; 1762 len = ie[1]; 1763 ie += 2; 1764 1765 if (len <= MBO_OCE_OUI_SIZE) 1766 return false; 1767 1768 ie += MBO_OCE_OUI_SIZE; 1769 len -= MBO_OCE_OUI_SIZE; 1770 1771 while (len > 2) { 1772 attribute_id = ie[0]; 1773 attribute_len = ie[1]; 1774 len -= 2; 1775 if (attribute_len > len) 1776 return false; 1777 1778 if (attribute_id == REDUCED_WAN_METRICS_ATTR) { 1779 wan_metrics->downlink_av_cap = ie[2] & 0xff; 1780 wan_metrics->uplink_av_cap = ie[2] >> 4; 1781 return true; 1782 } 1783 1784 ie += (attribute_len + 2); 1785 len -= attribute_len; 1786 } 1787 1788 return false; 1789 } 1790 1791 #endif /* _WLAN_CMN_IEEE80211_DEFS_H_ */ 1792