Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2012-2015 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /*=========================================================================== |
| 29 | * lim_process_tdls.c |
| 30 | * OVERVIEW: |
| 31 | * |
| 32 | * DEPENDENCIES: |
| 33 | * |
| 34 | * Are listed for each API below. |
| 35 | * ===========================================================================*/ |
| 36 | |
| 37 | /*=========================================================================== |
| 38 | |
| 39 | * EDIT HISTORY FOR FILE |
| 40 | |
| 41 | * This section contains comments describing changes made to the module. |
| 42 | * Notice that changes are listed in reverse chronological order. |
| 43 | |
| 44 | * $Header$$DateTime$$Author$ |
| 45 | |
| 46 | * when who what, where, why |
| 47 | * ---------- --- ------------------------------------------------------ |
| 48 | * 05/05/2010 Ashwani Initial Creation, added TDLS action frame |
| 49 | * functionality,TDLS message exchange with SME..etc.. |
| 50 | |
| 51 | ===========================================================================*/ |
| 52 | |
| 53 | /** |
| 54 | * \file lim_process_tdls.c |
| 55 | * |
| 56 | * \brief Code for preparing,processing and sending 802.11z action frames |
| 57 | * |
| 58 | */ |
| 59 | |
| 60 | #ifdef FEATURE_WLAN_TDLS |
| 61 | |
| 62 | #include "sir_api.h" |
| 63 | #include "ani_global.h" |
| 64 | #include "sir_mac_prot_def.h" |
| 65 | #include "cfg_api.h" |
| 66 | #include "utils_api.h" |
| 67 | #include "lim_types.h" |
| 68 | #include "lim_utils.h" |
| 69 | #include "lim_security_utils.h" |
| 70 | #include "dot11f.h" |
| 71 | #include "lim_sta_hash_api.h" |
| 72 | #include "sch_api.h" |
| 73 | #include "lim_send_messages.h" |
| 74 | #include "utils_parser.h" |
| 75 | #include "lim_assoc_utils.h" |
| 76 | #include "dph_hash_table.h" |
| 77 | #include "wma_types.h" |
| 78 | #include "cds_regdomain_common.h" |
| 79 | |
| 80 | /* define NO_PAD_TDLS_MIN_8023_SIZE to NOT padding: See CR#447630 |
| 81 | There was IOT issue with cisco 1252 open mode, where it pads |
| 82 | discovery req/teardown frame with some junk value up to min size. |
| 83 | To avoid this issue, we pad QCOM_VENDOR_IE. |
| 84 | If there is other IOT issue because of this bandage, define NO_PAD... |
| 85 | */ |
| 86 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 87 | #define MIN_IEEE_8023_SIZE 46 |
| 88 | #define MIN_VENDOR_SPECIFIC_IE_SIZE 5 |
| 89 | #endif |
| 90 | |
| 91 | static tSirRetStatus lim_tdls_setup_add_sta(tpAniSirGlobal pMac, |
| 92 | tSirTdlsAddStaReq * pAddStaReq, tpPESession psessionEntry); |
| 93 | void populate_dot11f_link_iden(tpAniSirGlobal pMac, tpPESession psessionEntry, |
| 94 | tDot11fIELinkIdentifier *linkIden, |
| 95 | tSirMacAddr peerMac, uint8_t reqType); |
| 96 | void populate_dot11f_tdls_ext_capability(tpAniSirGlobal pMac, |
| 97 | tpPESession psessionEntry, |
| 98 | tDot11fIEExtCap *extCapability); |
| 99 | |
| 100 | void populate_dot11f_tdls_offchannel_params(tpAniSirGlobal pMac, |
| 101 | tpPESession psessionEntry, |
| 102 | tDot11fIESuppChannels *suppChannels, |
| 103 | tDot11fIESuppOperatingClasses * |
| 104 | suppOperClasses); |
| 105 | void lim_log_vht_cap(tpAniSirGlobal pMac, tDot11fIEVHTCaps *pDot11f); |
| 106 | tSirRetStatus lim_populate_vht_mcs_set(tpAniSirGlobal pMac, |
| 107 | tpSirSupportedRates pRates, |
| 108 | tDot11fIEVHTCaps *pPeerVHTCaps, |
| 109 | tpPESession psessionEntry); |
| 110 | ePhyChanBondState lim_get_htcb_state(ePhyChanBondState aniCBMode); |
| 111 | |
| 112 | /* |
| 113 | * TDLS data frames will go out/come in as non-qos data. |
| 114 | * so, eth_890d_header will be aligned access.. |
| 115 | */ |
| 116 | static const uint8_t eth_890d_header[] = { |
| 117 | 0xaa, 0xaa, 0x03, 0x00, |
| 118 | 0x00, 0x00, 0x89, 0x0d, |
| 119 | }; |
| 120 | |
| 121 | /* |
| 122 | * type of links used in TDLS |
| 123 | */ |
| 124 | enum tdlsLinks { |
| 125 | TDLS_LINK_AP, |
| 126 | TDLS_LINK_DIRECT |
| 127 | } e_tdls_link; |
| 128 | |
| 129 | /* |
| 130 | * node status in node searching |
| 131 | */ |
| 132 | enum tdlsLinkNodeStatus { |
| 133 | TDLS_NODE_NOT_FOUND, |
| 134 | TDLS_NODE_FOUND |
| 135 | } e_tdls_link_node_status; |
| 136 | |
| 137 | enum tdlsReqType { |
| 138 | TDLS_INITIATOR, |
| 139 | TDLS_RESPONDER |
| 140 | } e_tdls_req_type; |
| 141 | |
| 142 | typedef enum tdlsLinkSetupStatus { |
| 143 | TDLS_SETUP_STATUS_SUCCESS = 0, |
| 144 | TDLS_SETUP_STATUS_FAILURE = 37 |
| 145 | } etdlsLinkSetupStatus; |
| 146 | |
| 147 | /* These maps to Kernel TDLS peer capability |
| 148 | * flags and should get changed as and when necessary |
| 149 | */ |
| 150 | enum tdls_peer_capability { |
| 151 | TDLS_PEER_HT_CAP = 0, |
| 152 | TDLS_PEER_VHT_CAP = 1, |
| 153 | TDLS_PEER_WMM_CAP = 2 |
| 154 | } e_tdls_peer_capability; |
| 155 | |
| 156 | /* some local defines */ |
| 157 | #define LINK_IDEN_ADDR_OFFSET(x) (&x.LinkIdentifier) |
| 158 | #define PTI_LINK_IDEN_OFFSET (5) |
| 159 | #define PTI_BUF_STATUS_OFFSET (25) |
| 160 | |
| 161 | /* TODO, Move this parameters to configuration */ |
| 162 | #define PEER_PSM_SUPPORT (0) |
| 163 | #define TDLS_SUPPORT (1) |
| 164 | #define TDLS_PROHIBITED (0) |
| 165 | #define TDLS_CH_SWITCH_PROHIBITED (1) |
| 166 | /** @brief Set bit manipulation macro */ |
| 167 | #define SET_BIT(value, mask) ((value) |= (1 << (mask))) |
| 168 | /** @brief Clear bit manipulation macro */ |
| 169 | #define CLEAR_BIT(value, mask) ((value) &= ~(1 << (mask))) |
| 170 | /** @brief Check bit manipulation macro */ |
| 171 | #define CHECK_BIT(value, mask) ((value) & (1 << (mask))) |
| 172 | |
| 173 | #define SET_PEER_AID_BITMAP(peer_bitmap, aid) \ |
| 174 | do { \ |
| 175 | if ((aid) < (sizeof(uint32_t) << 3)) \ |
| 176 | SET_BIT(peer_bitmap[0], (aid)); \ |
| 177 | else if ((aid) < (sizeof(uint32_t) << 4)) \ |
| 178 | SET_BIT(peer_bitmap[1], ((aid) - (sizeof(uint32_t) << 3)));\ |
| 179 | } while (0); |
| 180 | |
| 181 | #define CLEAR_PEER_AID_BITMAP(peer_bitmap, aid) \ |
| 182 | do { \ |
| 183 | if ((aid) < (sizeof(uint32_t) << 3)) \ |
| 184 | CLEAR_BIT(peer_bitmap[0], (aid)); \ |
| 185 | else if ((aid) < (sizeof(uint32_t) << 4)) \ |
| 186 | CLEAR_BIT(peer_bitmap[1], ((aid) - (sizeof(uint32_t) << 3)));\ |
| 187 | } while (0); |
| 188 | |
| 189 | #ifdef LIM_DEBUG_TDLS |
| 190 | |
| 191 | #ifdef FEATURE_WLAN_TDLS |
| 192 | #define WNI_CFG_TDLS_LINK_SETUP_RSP_TIMEOUT (800) |
| 193 | #define WNI_CFG_TDLS_LINK_SETUP_CNF_TIMEOUT (200) |
| 194 | #endif |
| 195 | |
| 196 | #define IS_QOS_ENABLED(psessionEntry) ((((psessionEntry)->limQosEnabled) && \ |
| 197 | SIR_MAC_GET_QOS((psessionEntry)->limCurrentBssCaps)) || \ |
| 198 | (((psessionEntry)->limWmeEnabled) && \ |
| 199 | LIM_BSS_CAPS_GET(WME, (psessionEntry)->limCurrentBssQosCaps))) |
| 200 | |
| 201 | #define TID_AC_VI 4 |
| 202 | #define TID_AC_BK 1 |
| 203 | |
| 204 | const uint8_t *lim_trace_tdls_action_string(uint8_t tdlsActionCode) |
| 205 | { |
| 206 | switch (tdlsActionCode) { |
| 207 | CASE_RETURN_STRING(SIR_MAC_TDLS_SETUP_REQ); |
| 208 | CASE_RETURN_STRING(SIR_MAC_TDLS_SETUP_RSP); |
| 209 | CASE_RETURN_STRING(SIR_MAC_TDLS_SETUP_CNF); |
| 210 | CASE_RETURN_STRING(SIR_MAC_TDLS_TEARDOWN); |
| 211 | CASE_RETURN_STRING(SIR_MAC_TDLS_PEER_TRAFFIC_IND); |
| 212 | CASE_RETURN_STRING(SIR_MAC_TDLS_CH_SWITCH_REQ); |
| 213 | CASE_RETURN_STRING(SIR_MAC_TDLS_CH_SWITCH_RSP); |
| 214 | CASE_RETURN_STRING(SIR_MAC_TDLS_PEER_TRAFFIC_RSP); |
| 215 | CASE_RETURN_STRING(SIR_MAC_TDLS_DIS_REQ); |
| 216 | CASE_RETURN_STRING(SIR_MAC_TDLS_DIS_RSP); |
| 217 | } |
| 218 | return (const uint8_t *)"UNKNOWN"; |
| 219 | } |
| 220 | #endif |
| 221 | /* |
| 222 | * initialize TDLS setup list and related data structures. |
| 223 | */ |
| 224 | void lim_init_tdls_data(tpAniSirGlobal pMac, tpPESession pSessionEntry) |
| 225 | { |
| 226 | lim_init_peer_idxpool(pMac, pSessionEntry); |
| 227 | |
| 228 | return; |
| 229 | } |
| 230 | |
| 231 | /* |
| 232 | * prepare TDLS frame header, it includes |
| 233 | * | | | | |
| 234 | * |802.11 header|RFC1042 header|TDLS_PYLOAD_TYPE|PAYLOAD |
| 235 | * | | | | |
| 236 | */ |
| 237 | static uint32_t lim_prepare_tdls_frame_header(tpAniSirGlobal pMac, uint8_t *pFrame, |
| 238 | tDot11fIELinkIdentifier *link_iden, |
| 239 | uint8_t tdlsLinkType, uint8_t reqType, |
| 240 | uint8_t tid, |
| 241 | tpPESession psessionEntry) |
| 242 | { |
| 243 | tpSirMacDataHdr3a pMacHdr; |
| 244 | uint32_t header_offset = 0; |
| 245 | uint8_t *addr1 = NULL; |
| 246 | uint8_t *addr3 = NULL; |
| 247 | uint8_t toDs = (tdlsLinkType == TDLS_LINK_AP) |
| 248 | ? ANI_TXDIR_TODS : ANI_TXDIR_IBSS; |
| 249 | uint8_t *peerMac = (reqType == TDLS_INITIATOR) |
| 250 | ? link_iden->RespStaAddr : link_iden->InitStaAddr; |
| 251 | uint8_t *staMac = (reqType == TDLS_INITIATOR) |
| 252 | ? link_iden->InitStaAddr : link_iden->RespStaAddr; |
| 253 | |
| 254 | pMacHdr = (tpSirMacDataHdr3a) (pFrame); |
| 255 | |
| 256 | /* |
| 257 | * if TDLS frame goes through the AP link, it follows normal address |
| 258 | * pattern, if TDLS frame goes thorugh the direct link, then |
| 259 | * A1--> Peer STA addr, A2-->Self STA address, A3--> BSSID |
| 260 | */ |
| 261 | (tdlsLinkType == TDLS_LINK_AP) ? ((addr1 = (link_iden->bssid)), |
| 262 | (addr3 = (peerMac))) |
| 263 | : ((addr1 = (peerMac)), (addr3 = (link_iden->bssid))); |
| 264 | /* |
| 265 | * prepare 802.11 header |
| 266 | */ |
| 267 | pMacHdr->fc.protVer = SIR_MAC_PROTOCOL_VERSION; |
| 268 | pMacHdr->fc.type = SIR_MAC_DATA_FRAME; |
| 269 | pMacHdr->fc.subType = |
| 270 | IS_QOS_ENABLED(psessionEntry) ? SIR_MAC_DATA_QOS_DATA : |
| 271 | SIR_MAC_DATA_DATA; |
| 272 | |
| 273 | /* |
| 274 | * TL is not setting up below fields, so we are doing it here |
| 275 | */ |
| 276 | pMacHdr->fc.toDS = toDs; |
| 277 | pMacHdr->fc.powerMgmt = 0; |
| 278 | pMacHdr->fc.wep = (psessionEntry->encryptType == eSIR_ED_NONE) ? 0 : 1; |
| 279 | |
| 280 | cdf_mem_copy((uint8_t *) pMacHdr->addr1, |
| 281 | (uint8_t *) addr1, sizeof(tSirMacAddr)); |
| 282 | cdf_mem_copy((uint8_t *) pMacHdr->addr2, |
| 283 | (uint8_t *) staMac, sizeof(tSirMacAddr)); |
| 284 | |
| 285 | cdf_mem_copy((uint8_t *) pMacHdr->addr3, |
| 286 | (uint8_t *) (addr3), sizeof(tSirMacAddr)); |
| 287 | |
| 288 | lim_log(pMac, LOG1, |
| 289 | FL( |
| 290 | "Preparing TDLS frame header to %s A1:" |
| 291 | MAC_ADDRESS_STR", A2:"MAC_ADDRESS_STR", A3:" |
| 292 | MAC_ADDRESS_STR |
| 293 | ), |
| 294 | (tdlsLinkType == TDLS_LINK_AP) ? "AP" : "DIRECT", |
| 295 | MAC_ADDR_ARRAY(pMacHdr->addr1), |
| 296 | MAC_ADDR_ARRAY(pMacHdr->addr2), |
| 297 | MAC_ADDR_ARRAY(pMacHdr->addr3)); |
| 298 | |
| 299 | if (IS_QOS_ENABLED(psessionEntry)) { |
| 300 | pMacHdr->qosControl.tid = tid; |
| 301 | header_offset += sizeof(tSirMacDataHdr3a); |
| 302 | } else |
| 303 | header_offset += sizeof(tSirMacMgmtHdr); |
| 304 | |
| 305 | /* |
| 306 | * Now form RFC1042 header |
| 307 | */ |
| 308 | cdf_mem_copy((uint8_t *) (pFrame + header_offset), |
| 309 | (uint8_t *) eth_890d_header, sizeof(eth_890d_header)); |
| 310 | |
| 311 | header_offset += sizeof(eth_890d_header); |
| 312 | |
| 313 | /* add payload type as TDLS */ |
| 314 | *(pFrame + header_offset) = PAYLOAD_TYPE_TDLS; |
| 315 | header_offset += PAYLOAD_TYPE_TDLS_SIZE; |
| 316 | return header_offset; |
| 317 | } |
| 318 | |
| 319 | /* |
| 320 | * TX Complete for Management frames |
| 321 | */ |
| 322 | CDF_STATUS lim_mgmt_tx_complete(tpAniSirGlobal pMac, uint32_t txCompleteSuccess) |
| 323 | { |
| 324 | tpPESession psessionEntry = NULL; |
| 325 | |
| 326 | if (0xff != pMac->lim.mgmtFrameSessionId) { |
| 327 | psessionEntry = |
| 328 | pe_find_session_by_session_id(pMac, |
| 329 | pMac->lim.mgmtFrameSessionId); |
| 330 | if (NULL == psessionEntry) { |
| 331 | lim_log(pMac, LOGE, FL("sessionID %d is not found"), |
| 332 | pMac->lim.mgmtFrameSessionId); |
| 333 | return CDF_STATUS_E_FAILURE; |
| 334 | } |
| 335 | lim_send_sme_mgmt_tx_completion(pMac, psessionEntry, |
| 336 | txCompleteSuccess); |
| 337 | pMac->lim.mgmtFrameSessionId = 0xff; |
| 338 | } |
| 339 | return CDF_STATUS_SUCCESS; |
| 340 | } |
| 341 | |
| 342 | /* |
| 343 | * This function can be used for bacst or unicast discovery request |
| 344 | * We are not differentiating it here, it will all depnds on peer MAC address, |
| 345 | */ |
| 346 | tSirRetStatus lim_send_tdls_dis_req_frame(tpAniSirGlobal pMac, tSirMacAddr peer_mac, |
| 347 | uint8_t dialog, tpPESession psessionEntry) |
| 348 | { |
| 349 | tDot11fTDLSDisReq tdlsDisReq; |
| 350 | uint32_t status = 0; |
| 351 | uint32_t nPayload = 0; |
| 352 | uint32_t size = 0; |
| 353 | uint32_t nBytes = 0; |
| 354 | uint32_t header_offset = 0; |
| 355 | uint8_t *pFrame; |
| 356 | void *pPacket; |
| 357 | CDF_STATUS cdf_status; |
| 358 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 359 | uint32_t padLen = 0; |
| 360 | #endif |
| 361 | uint8_t smeSessionId = 0; |
| 362 | |
| 363 | if (NULL == psessionEntry) { |
| 364 | lim_log(pMac, LOGE, FL("psessionEntry is NULL")); |
| 365 | return eSIR_FAILURE; |
| 366 | } |
| 367 | smeSessionId = psessionEntry->smeSessionId; |
| 368 | /* |
| 369 | * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| 370 | * and then hand it off to 'dot11f_pack_probe_request' (for |
| 371 | * serialization). We start by zero-initializing the structure: |
| 372 | */ |
| 373 | cdf_mem_set((uint8_t *) &tdlsDisReq, sizeof(tDot11fTDLSDisReq), 0); |
| 374 | |
| 375 | /* |
| 376 | * setup Fixed fields, |
| 377 | */ |
| 378 | tdlsDisReq.Category.category = SIR_MAC_ACTION_TDLS; |
| 379 | tdlsDisReq.Action.action = SIR_MAC_TDLS_DIS_REQ; |
| 380 | tdlsDisReq.DialogToken.token = dialog; |
| 381 | |
| 382 | size = sizeof(tSirMacAddr); |
| 383 | |
| 384 | populate_dot11f_link_iden(pMac, psessionEntry, &tdlsDisReq.LinkIdentifier, |
| 385 | peer_mac, TDLS_INITIATOR); |
| 386 | |
| 387 | /* |
| 388 | * now we pack it. First, how much space are we going to need? |
| 389 | */ |
| 390 | status = dot11f_get_packed_tdls_dis_req_size(pMac, &tdlsDisReq, &nPayload); |
| 391 | if (DOT11F_FAILED(status)) { |
| 392 | lim_log(pMac, LOGP, |
| 393 | FL( |
| 394 | "Failed to calculate the packed size for a discovery Request (0x%08x)." |
| 395 | ), |
| 396 | status); |
| 397 | /* We'll fall back on the worst case scenario: */ |
| 398 | nPayload = sizeof(tDot11fTDLSDisReq); |
| 399 | } else if (DOT11F_WARNED(status)) { |
| 400 | lim_log(pMac, LOGW, |
| 401 | FL( |
| 402 | "There were warnings while calculating the packed size for a discovery Request (0x%08x)." |
| 403 | ), |
| 404 | status); |
| 405 | } |
| 406 | |
| 407 | /* |
| 408 | * This frame is going out from PE as data frames with special ethertype |
| 409 | * 89-0d. |
| 410 | * 8 bytes of RFC 1042 header |
| 411 | */ |
| 412 | |
| 413 | nBytes = nPayload + ((IS_QOS_ENABLED(psessionEntry)) |
| 414 | ? sizeof(tSirMacDataHdr3a) : |
| 415 | sizeof(tSirMacMgmtHdr)) |
| 416 | + sizeof(eth_890d_header) |
| 417 | + PAYLOAD_TYPE_TDLS_SIZE; |
| 418 | |
| 419 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 420 | /* IOT issue with some AP : some AP doesn't like the data packet size < minimum 802.3 frame length (64) |
| 421 | Hence AP itself padding some bytes, which caused teardown packet is dropped at |
| 422 | receiver side. To avoid such IOT issue, we added some extra bytes to meet data frame size >= 64 |
| 423 | */ |
| 424 | if (nPayload + PAYLOAD_TYPE_TDLS_SIZE < MIN_IEEE_8023_SIZE) { |
| 425 | padLen = |
| 426 | MIN_IEEE_8023_SIZE - (nPayload + PAYLOAD_TYPE_TDLS_SIZE); |
| 427 | |
| 428 | /* if padLen is less than minimum vendorSpecific (5), pad up to 5 */ |
| 429 | if (padLen < MIN_VENDOR_SPECIFIC_IE_SIZE) |
| 430 | padLen = MIN_VENDOR_SPECIFIC_IE_SIZE; |
| 431 | |
| 432 | nBytes += padLen; |
| 433 | } |
| 434 | #endif |
| 435 | |
| 436 | /* Ok-- try to allocate memory from MGMT PKT pool */ |
| 437 | |
| 438 | cdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame, |
| 439 | (void **)&pPacket); |
| 440 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 441 | lim_log(pMac, LOGP, |
| 442 | FL( |
| 443 | "Failed to allocate %d bytes for a TDLS Discovery Request." |
| 444 | ), |
| 445 | nBytes); |
| 446 | return eSIR_MEM_ALLOC_FAILED; |
| 447 | } |
| 448 | |
| 449 | /* zero out the memory */ |
| 450 | cdf_mem_set(pFrame, nBytes, 0); |
| 451 | |
| 452 | /* |
| 453 | * IE formation, memory allocation is completed, Now form TDLS discovery |
| 454 | * request frame |
| 455 | */ |
| 456 | |
| 457 | /* fill out the buffer descriptor */ |
| 458 | |
| 459 | header_offset = lim_prepare_tdls_frame_header(pMac, pFrame, |
| 460 | LINK_IDEN_ADDR_OFFSET |
| 461 | (tdlsDisReq), TDLS_LINK_AP, |
| 462 | TDLS_INITIATOR, TID_AC_VI, |
| 463 | psessionEntry); |
| 464 | |
| 465 | status = dot11f_pack_tdls_dis_req(pMac, &tdlsDisReq, pFrame |
| 466 | + header_offset, nPayload, &nPayload); |
| 467 | |
| 468 | if (DOT11F_FAILED(status)) { |
| 469 | lim_log(pMac, LOGE, |
| 470 | FL("Failed to pack a TDLS discovery req (0x%08x)."), |
| 471 | status); |
| 472 | cds_packet_free((void *)pPacket); |
| 473 | return eSIR_FAILURE; |
| 474 | } else if (DOT11F_WARNED(status)) { |
| 475 | lim_log(pMac, LOGW, |
| 476 | FL( |
| 477 | "There were warnings while packing TDLS Discovery Request (0x%08x)." |
| 478 | ), |
| 479 | status); |
| 480 | } |
| 481 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 482 | if (padLen != 0) { |
| 483 | /* QCOM VENDOR OUI = { 0x00, 0xA0, 0xC6, type = 0x0000 }; */ |
| 484 | uint8_t *padVendorSpecific = pFrame + header_offset + nPayload; |
| 485 | /* make QCOM_VENDOR_OUI, and type = 0x0000, and all the payload to be zero */ |
| 486 | padVendorSpecific[0] = 221; |
| 487 | padVendorSpecific[1] = padLen - 2; |
| 488 | padVendorSpecific[2] = 0x00; |
| 489 | padVendorSpecific[3] = 0xA0; |
| 490 | padVendorSpecific[4] = 0xC6; |
| 491 | |
| 492 | lim_log(pMac, LOGW, |
| 493 | FL("Padding Vendor Specific Ie Len = %d"), padLen); |
| 494 | |
| 495 | /* padding zero if more than 5 bytes are required */ |
| 496 | if (padLen > MIN_VENDOR_SPECIFIC_IE_SIZE) |
| 497 | cdf_mem_set(pFrame + header_offset + nPayload + |
| 498 | MIN_VENDOR_SPECIFIC_IE_SIZE, |
| 499 | padLen - MIN_VENDOR_SPECIFIC_IE_SIZE, 0); |
| 500 | } |
| 501 | #endif |
| 502 | |
| 503 | lim_log(pMac, LOG1, |
| 504 | FL("[TDLS] action %d (%s) -AP-> OTA peer="MAC_ADDRESS_STR), |
| 505 | SIR_MAC_TDLS_DIS_REQ, |
| 506 | lim_trace_tdls_action_string(SIR_MAC_TDLS_DIS_REQ), |
| 507 | MAC_ADDR_ARRAY(peer_mac)); |
| 508 | |
| 509 | pMac->lim.mgmtFrameSessionId = psessionEntry->peSessionId; |
| 510 | cdf_status = wma_tx_frameWithTxComplete(pMac, pPacket, (uint16_t) nBytes, |
| 511 | TXRX_FRM_802_11_DATA, |
| 512 | ANI_TXDIR_TODS, |
| 513 | TID_AC_VI, |
| 514 | lim_tx_complete, pFrame, |
| 515 | lim_mgmt_tx_complete, |
| 516 | HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME, |
| 517 | smeSessionId, false, 0); |
| 518 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 519 | pMac->lim.mgmtFrameSessionId = 0xff; |
| 520 | lim_log(pMac, LOGE, |
| 521 | FL("could not send TDLS Discovery Request frame")); |
| 522 | return eSIR_FAILURE; |
| 523 | } |
| 524 | |
| 525 | return eSIR_SUCCESS; |
| 526 | |
| 527 | } |
| 528 | |
| 529 | /* |
| 530 | * This static function is consistent with any kind of TDLS management |
| 531 | * frames we are sending. Currently it is being used by lim_send_tdls_dis_rsp_frame, |
| 532 | * lim_send_tdls_link_setup_req_frame and lim_send_tdls_setup_rsp_frame |
| 533 | */ |
| 534 | static void populate_dot11f_tdls_ht_vht_cap(tpAniSirGlobal pMac, |
| 535 | uint32_t selfDot11Mode, |
| 536 | tDot11fIEHTCaps *htCap, |
| 537 | tDot11fIEVHTCaps *vhtCap, |
| 538 | tpPESession psessionEntry) |
| 539 | { |
| 540 | if (IS_DOT11_MODE_HT(selfDot11Mode)) { |
| 541 | /* Include HT Capability IE */ |
| 542 | populate_dot11f_ht_caps(pMac, NULL, htCap); |
| 543 | /* |
| 544 | * Advertise ht capability and max supported channel bandwidth |
| 545 | * when populating HT IE in TDLS Setup Request/Setup Response/ |
| 546 | * Setup Confirmation frames. |
| 547 | * 11.21.6.2 Setting up a 40 MHz direct link: A 40 MHz |
| 548 | * off-channel direct link may be started if both TDLS peer STAs |
| 549 | * indicated 40 MHz support in the Supported Channel Width Set |
| 550 | * field of the HT Capabilities element (which is included in |
| 551 | * the TDLS Setup Request frame and the TDLS Setup Response |
| 552 | * frame). Switching to a 40 MHz off-channel direct link is |
| 553 | * achieved by including the following information in the TDLS |
| 554 | * Channel Switch Request |
| 555 | * 11.21.1 General: The channel width of the TDLS direct link on |
| 556 | * the base channel shall not exceed the channel width of the |
| 557 | * BSS to which the TDLS peer STAs are associated. |
| 558 | */ |
| 559 | htCap->supportedChannelWidthSet = 1; |
| 560 | } else { |
| 561 | htCap->present = 0; |
| 562 | } |
| 563 | lim_log(pMac, LOG1, FL("HT present = %hu, Chan Width = %hu"), |
| 564 | htCap->present, htCap->supportedChannelWidthSet); |
| 565 | #ifdef WLAN_FEATURE_11AC |
| 566 | if (((psessionEntry->currentOperChannel <= SIR_11B_CHANNEL_END) && |
| 567 | pMac->roam.configParam.enableVhtFor24GHz) || |
| 568 | (psessionEntry->currentOperChannel >= SIR_11B_CHANNEL_END)) { |
| 569 | if (IS_DOT11_MODE_VHT(selfDot11Mode) && |
| 570 | IS_FEATURE_SUPPORTED_BY_FW(DOT11AC)) { |
| 571 | /* Include VHT Capability IE */ |
| 572 | populate_dot11f_vht_caps(pMac, psessionEntry, vhtCap); |
| 573 | vhtCap->suBeamformeeCap = 0; |
| 574 | vhtCap->suBeamFormerCap = 0; |
| 575 | vhtCap->muBeamformeeCap = 0; |
| 576 | vhtCap->muBeamformerCap = 0; |
| 577 | } else { |
| 578 | vhtCap->present = 0; |
| 579 | } |
| 580 | } else { |
| 581 | /* Vht Disable from ini in 2.4 GHz */ |
| 582 | vhtCap->present = 0; |
| 583 | } |
| 584 | lim_log(pMac, LOG1, FL("VHT present = %hu, Chan Width = %hu"), |
| 585 | vhtCap->present, vhtCap->supportedChannelWidthSet); |
| 586 | #endif |
| 587 | } |
| 588 | |
| 589 | /* |
| 590 | * Send TDLS discovery response frame on direct link. |
| 591 | */ |
| 592 | |
| 593 | static tSirRetStatus lim_send_tdls_dis_rsp_frame(tpAniSirGlobal pMac, |
| 594 | tSirMacAddr peerMac, uint8_t dialog, |
| 595 | tpPESession psessionEntry, |
| 596 | uint8_t *addIe, uint16_t addIeLen) |
| 597 | { |
| 598 | tDot11fTDLSDisRsp tdlsDisRsp; |
| 599 | uint16_t caps = 0; |
| 600 | uint32_t status = 0; |
| 601 | uint32_t nPayload = 0; |
| 602 | uint32_t nBytes = 0; |
| 603 | uint8_t *pFrame; |
| 604 | void *pPacket; |
| 605 | CDF_STATUS cdf_status; |
| 606 | uint32_t selfDot11Mode; |
| 607 | /* Placeholder to support different channel bonding mode of TDLS than AP. */ |
| 608 | /* Today, WNI_CFG_CHANNEL_BONDING_MODE will be overwritten when connecting to AP */ |
| 609 | /* To support this feature, we need to introduce WNI_CFG_TDLS_CHANNEL_BONDING_MODE */ |
| 610 | /* As of now, we hardcoded to max channel bonding of dot11Mode (i.e HT80 for 11ac/HT40 for 11n) */ |
| 611 | /* uint32_t tdlsChannelBondingMode; */ |
| 612 | uint8_t smeSessionId = 0; |
| 613 | |
| 614 | if (NULL == psessionEntry) { |
| 615 | lim_log(pMac, LOGE, FL("psessionEntry is NULL")); |
| 616 | return eSIR_FAILURE; |
| 617 | } |
| 618 | smeSessionId = psessionEntry->smeSessionId; |
| 619 | |
| 620 | /* |
| 621 | * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| 622 | * and then hand it off to 'dot11f_pack_probe_request' (for |
| 623 | * serialization). We start by zero-initializing the structure: |
| 624 | */ |
| 625 | cdf_mem_set((uint8_t *) &tdlsDisRsp, sizeof(tDot11fTDLSDisRsp), 0); |
| 626 | |
| 627 | /* |
| 628 | * setup Fixed fields, |
| 629 | */ |
| 630 | tdlsDisRsp.Category.category = SIR_MAC_ACTION_PUBLIC_USAGE; |
| 631 | tdlsDisRsp.Action.action = SIR_MAC_TDLS_DIS_RSP; |
| 632 | tdlsDisRsp.DialogToken.token = dialog; |
| 633 | |
| 634 | populate_dot11f_link_iden(pMac, psessionEntry, |
| 635 | &tdlsDisRsp.LinkIdentifier, |
| 636 | peerMac, TDLS_RESPONDER); |
| 637 | |
| 638 | if (cfg_get_capability_info(pMac, &caps, psessionEntry) |
| 639 | != eSIR_SUCCESS) { |
| 640 | /* |
| 641 | * Could not get Capabilities value |
| 642 | * from CFG. Log error. |
| 643 | */ |
| 644 | lim_log(pMac, LOGE, |
| 645 | FL("could not retrieve Capabilities value")); |
| 646 | } |
| 647 | swap_bit_field16(caps, (uint16_t *) &tdlsDisRsp.Capabilities); |
| 648 | |
| 649 | /* populate supported rate and ext supported rate IE */ |
| 650 | if (eSIR_FAILURE == populate_dot11f_rates_tdls(pMac, |
| 651 | &tdlsDisRsp.SuppRates, |
| 652 | &tdlsDisRsp.ExtSuppRates)) |
| 653 | lim_log(pMac, LOGE, |
| 654 | FL("could not populate supported data rates")); |
| 655 | |
| 656 | /* populate extended capability IE */ |
| 657 | populate_dot11f_tdls_ext_capability(pMac, |
| 658 | psessionEntry, |
| 659 | &tdlsDisRsp.ExtCap); |
| 660 | |
| 661 | wlan_cfg_get_int(pMac, WNI_CFG_DOT11_MODE, &selfDot11Mode); |
| 662 | |
| 663 | /* Populate HT/VHT Capabilities */ |
| 664 | populate_dot11f_tdls_ht_vht_cap(pMac, selfDot11Mode, &tdlsDisRsp.HTCaps, |
| 665 | &tdlsDisRsp.VHTCaps, psessionEntry); |
| 666 | |
| 667 | /* Populate TDLS offchannel param only if offchannel is enabled |
| 668 | * and TDLS Channel Switching is not prohibited by AP in ExtCap |
| 669 | * IE in assoc/re-assoc response. |
| 670 | */ |
| 671 | if ((1 == pMac->lim.gLimTDLSOffChannelEnabled) && |
| 672 | (!psessionEntry->tdls_chan_swit_prohibited)) { |
| 673 | populate_dot11f_tdls_offchannel_params(pMac, psessionEntry, |
| 674 | &tdlsDisRsp.SuppChannels, |
| 675 | &tdlsDisRsp. |
| 676 | SuppOperatingClasses); |
| 677 | if (pMac->roam.configParam.bandCapability != eCSR_BAND_24) { |
| 678 | tdlsDisRsp.ht2040_bss_coexistence.present = 1; |
| 679 | tdlsDisRsp.ht2040_bss_coexistence.info_request = 1; |
| 680 | } |
| 681 | } else { |
| 682 | lim_log(pMac, LOG1, |
| 683 | FL("TDLS offchan not enabled, or channel switch prohibited by AP, gLimTDLSOffChannelEnabled (%d), tdls_chan_swit_prohibited (%d)"), |
| 684 | pMac->lim.gLimTDLSOffChannelEnabled, |
| 685 | psessionEntry->tdls_chan_swit_prohibited); |
| 686 | } |
| 687 | /* |
| 688 | * now we pack it. First, how much space are we going to need? |
| 689 | */ |
| 690 | status = dot11f_get_packed_tdls_dis_rsp_size(pMac, &tdlsDisRsp, &nPayload); |
| 691 | if (DOT11F_FAILED(status)) { |
| 692 | lim_log(pMac, LOGE, |
| 693 | FL( |
| 694 | "Failed to calculate the packed size for a Discovery Response (0x%08x)." |
| 695 | ), |
| 696 | status); |
| 697 | /* We'll fall back on the worst case scenario: */ |
| 698 | nPayload = sizeof(tDot11fProbeRequest); |
| 699 | } else if (DOT11F_WARNED(status)) { |
| 700 | lim_log(pMac, LOGW, |
| 701 | FL( |
| 702 | "There were warnings while calculating the packed size for a Discovery Response (0x%08x)." |
| 703 | ), |
| 704 | status); |
| 705 | } |
| 706 | |
| 707 | /* |
| 708 | * This frame is going out from PE as data frames with special ethertype |
| 709 | * 89-0d. |
| 710 | * 8 bytes of RFC 1042 header |
| 711 | */ |
| 712 | |
| 713 | nBytes = nPayload + sizeof(tSirMacMgmtHdr) + addIeLen; |
| 714 | |
| 715 | /* Ok-- try to allocate memory from MGMT PKT pool */ |
| 716 | cdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame, |
| 717 | (void **)&pPacket); |
| 718 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 719 | lim_log(pMac, LOGE, |
| 720 | FL( |
| 721 | "Failed to allocate %d bytes for a TDLS Discovery Request." |
| 722 | ), |
| 723 | nBytes); |
| 724 | return eSIR_MEM_ALLOC_FAILED; |
| 725 | } |
| 726 | |
| 727 | /* zero out the memory */ |
| 728 | cdf_mem_set(pFrame, nBytes, 0); |
| 729 | |
| 730 | /* |
| 731 | * IE formation, memory allocation is completed, Now form TDLS discovery |
| 732 | * response frame |
| 733 | */ |
| 734 | |
| 735 | /* Make public Action Frame */ |
| 736 | |
| 737 | lim_populate_mac_header(pMac, pFrame, SIR_MAC_MGMT_FRAME, |
| 738 | SIR_MAC_MGMT_ACTION, peerMac, |
| 739 | psessionEntry->selfMacAddr); |
| 740 | |
| 741 | { |
| 742 | tpSirMacMgmtHdr pMacHdr; |
| 743 | pMacHdr = (tpSirMacMgmtHdr) pFrame; |
| 744 | pMacHdr->fc.toDS = ANI_TXDIR_IBSS; |
| 745 | pMacHdr->fc.powerMgmt = 0; |
| 746 | sir_copy_mac_addr(pMacHdr->bssId, psessionEntry->bssId); |
| 747 | } |
| 748 | |
| 749 | status = dot11f_pack_tdls_dis_rsp(pMac, &tdlsDisRsp, pFrame + |
| 750 | sizeof(tSirMacMgmtHdr), |
| 751 | nPayload, &nPayload); |
| 752 | |
| 753 | if (DOT11F_FAILED(status)) { |
| 754 | lim_log(pMac, LOGE, |
| 755 | FL( |
| 756 | "Failed to pack a TDLS discovery response (0x%08x)." |
| 757 | ), |
| 758 | status); |
| 759 | cds_packet_free((void *)pPacket); |
| 760 | return eSIR_FAILURE; |
| 761 | } else if (DOT11F_WARNED(status)) { |
| 762 | lim_log(pMac, LOGW, |
| 763 | FL( |
| 764 | "There were warnings while packing TDLS Discovery Response (0x%08x)." |
| 765 | ), |
| 766 | status); |
| 767 | } |
| 768 | if (0 != addIeLen) { |
| 769 | lim_log(pMac, LOG1, |
| 770 | FL("Copy Additional Ie Len = %d"), addIeLen); |
| 771 | cdf_mem_copy(pFrame + sizeof(tSirMacMgmtHdr) + nPayload, addIe, |
| 772 | addIeLen); |
| 773 | } |
| 774 | lim_log(pMac, LOG1, |
| 775 | FL("[TDLS] action %d (%s) -DIRECT-> OTA peer="MAC_ADDRESS_STR), |
| 776 | SIR_MAC_TDLS_DIS_RSP, |
| 777 | lim_trace_tdls_action_string(SIR_MAC_TDLS_DIS_RSP), |
| 778 | MAC_ADDR_ARRAY(peerMac)); |
| 779 | |
| 780 | pMac->lim.mgmtFrameSessionId = psessionEntry->peSessionId; |
| 781 | /* |
| 782 | * Transmit Discovery response and watch if this is delivered to |
| 783 | * peer STA. |
| 784 | */ |
| 785 | /* In CLD 2.0, pass Discovery Response as mgmt frame so that |
| 786 | * wma does not do header conversion to 802.3 before calling tx/rx |
| 787 | * routine and subsequenly target also sends frame as is OTA |
| 788 | */ |
| 789 | cdf_status = wma_tx_frameWithTxComplete(pMac, pPacket, (uint16_t) nBytes, |
| 790 | TXRX_FRM_802_11_MGMT, |
| 791 | ANI_TXDIR_IBSS, |
| 792 | 0, |
| 793 | lim_tx_complete, pFrame, |
| 794 | lim_mgmt_tx_complete, |
| 795 | HAL_USE_SELF_STA_REQUESTED_MASK, |
| 796 | smeSessionId, false, 0); |
| 797 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 798 | pMac->lim.mgmtFrameSessionId = 0xff; |
| 799 | lim_log(pMac, LOGE, |
| 800 | FL("could not send TDLS Discovery Response frame!")); |
| 801 | return eSIR_FAILURE; |
| 802 | } |
| 803 | |
| 804 | return eSIR_SUCCESS; |
| 805 | |
| 806 | } |
| 807 | |
| 808 | /* |
| 809 | * This static function is currently used by lim_send_tdls_link_setup_req_frame and |
| 810 | * lim_send_tdls_setup_rsp_frame to populate the AID if device is 11ac capable. |
| 811 | */ |
| 812 | static void populate_dotf_tdls_vht_aid(tpAniSirGlobal pMac, uint32_t selfDot11Mode, |
| 813 | tSirMacAddr peerMac, tDot11fIEAID *Aid, |
| 814 | tpPESession psessionEntry) |
| 815 | { |
| 816 | if (((psessionEntry->currentOperChannel <= SIR_11B_CHANNEL_END) && |
| 817 | pMac->roam.configParam.enableVhtFor24GHz) || |
| 818 | (psessionEntry->currentOperChannel >= SIR_11B_CHANNEL_END)) { |
| 819 | if (IS_DOT11_MODE_VHT(selfDot11Mode) && |
| 820 | IS_FEATURE_SUPPORTED_BY_FW(DOT11AC)) { |
| 821 | |
| 822 | uint16_t aid; |
| 823 | tpDphHashNode pStaDs; |
| 824 | |
| 825 | pStaDs = |
| 826 | dph_lookup_hash_entry(pMac, peerMac, &aid, |
| 827 | &psessionEntry->dph. |
| 828 | dphHashTable); |
| 829 | if (NULL != pStaDs) { |
| 830 | Aid->present = 1; |
| 831 | Aid->assocId = aid | LIM_AID_MASK; /* set bit 14 and 15 1's */ |
| 832 | } else { |
| 833 | Aid->present = 0; |
| 834 | lim_log(pMac, LOGE, |
| 835 | FL("pStaDs is NULL for " |
| 836 | MAC_ADDRESS_STR), |
| 837 | MAC_ADDR_ARRAY(peerMac)); |
| 838 | } |
| 839 | } |
| 840 | } else { |
| 841 | Aid->present = 0; |
| 842 | lim_log(pMac, LOGW, FL("Vht not enable from ini for 2.4GHz.")); |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | /* |
| 847 | * TDLS setup Request frame on AP link |
| 848 | */ |
| 849 | |
| 850 | tSirRetStatus lim_send_tdls_link_setup_req_frame(tpAniSirGlobal pMac, |
| 851 | tSirMacAddr peerMac, uint8_t dialog, |
| 852 | tpPESession psessionEntry, |
| 853 | uint8_t *addIe, uint16_t addIeLen) |
| 854 | { |
| 855 | tDot11fTDLSSetupReq tdlsSetupReq; |
| 856 | uint16_t caps = 0; |
| 857 | uint32_t status = 0; |
| 858 | uint32_t nPayload = 0; |
| 859 | uint32_t nBytes = 0; |
| 860 | uint32_t header_offset = 0; |
| 861 | uint8_t *pFrame; |
| 862 | void *pPacket; |
| 863 | CDF_STATUS cdf_status; |
| 864 | uint32_t selfDot11Mode; |
| 865 | uint8_t smeSessionId = 0; |
| 866 | /* Placeholder to support different channel bonding mode of TDLS than AP. */ |
| 867 | /* Today, WNI_CFG_CHANNEL_BONDING_MODE will be overwritten when connecting to AP */ |
| 868 | /* To support this feature, we need to introduce WNI_CFG_TDLS_CHANNEL_BONDING_MODE */ |
| 869 | /* As of now, we hardcoded to max channel bonding of dot11Mode (i.e HT80 for 11ac/HT40 for 11n) */ |
| 870 | /* uint32_t tdlsChannelBondingMode; */ |
| 871 | |
| 872 | /* |
| 873 | * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| 874 | * and then hand it off to 'dot11f_pack_probe_request' (for |
| 875 | * serialization). We start by zero-initializing the structure: |
| 876 | */ |
| 877 | smeSessionId = psessionEntry->smeSessionId; |
| 878 | |
| 879 | cdf_mem_set((uint8_t *) &tdlsSetupReq, sizeof(tDot11fTDLSSetupReq), 0); |
| 880 | tdlsSetupReq.Category.category = SIR_MAC_ACTION_TDLS; |
| 881 | tdlsSetupReq.Action.action = SIR_MAC_TDLS_SETUP_REQ; |
| 882 | tdlsSetupReq.DialogToken.token = dialog; |
| 883 | |
| 884 | populate_dot11f_link_iden(pMac, psessionEntry, |
| 885 | &tdlsSetupReq.LinkIdentifier, peerMac, |
| 886 | TDLS_INITIATOR); |
| 887 | |
| 888 | if (cfg_get_capability_info(pMac, &caps, psessionEntry) != eSIR_SUCCESS) { |
| 889 | /* |
| 890 | * Could not get Capabilities value |
| 891 | * from CFG. Log error. |
| 892 | */ |
| 893 | lim_log(pMac, LOGE, |
| 894 | FL("could not retrieve Capabilities value")); |
| 895 | } |
| 896 | swap_bit_field16(caps, (uint16_t *) &tdlsSetupReq.Capabilities); |
| 897 | |
| 898 | /* populate supported rate and ext supported rate IE */ |
| 899 | if (eSIR_FAILURE == populate_dot11f_rates_tdls(pMac, |
| 900 | &tdlsSetupReq.SuppRates, |
| 901 | &tdlsSetupReq.ExtSuppRates)) |
| 902 | lim_log(pMac, LOGE, |
| 903 | FL("could not populate supported data rates")); |
| 904 | |
| 905 | /* Populate extended capability IE */ |
| 906 | populate_dot11f_tdls_ext_capability(pMac, |
| 907 | psessionEntry, |
| 908 | &tdlsSetupReq.ExtCap); |
| 909 | |
| 910 | if (1 == pMac->lim.gLimTDLSWmmMode) { |
| 911 | uint32_t val = 0; |
| 912 | |
| 913 | lim_log(pMac, LOG1, |
| 914 | FL("populate WMM IE in Setup Request Frame")); |
| 915 | /* include WMM IE */ |
| 916 | tdlsSetupReq.WMMInfoStation.version = SIR_MAC_OUI_VERSION_1; |
| 917 | tdlsSetupReq.WMMInfoStation.acvo_uapsd = |
| 918 | (pMac->lim.gLimTDLSUapsdMask & 0x01); |
| 919 | tdlsSetupReq.WMMInfoStation.acvi_uapsd = |
| 920 | ((pMac->lim.gLimTDLSUapsdMask & 0x02) >> 1); |
| 921 | tdlsSetupReq.WMMInfoStation.acbk_uapsd = |
| 922 | ((pMac->lim.gLimTDLSUapsdMask & 0x04) >> 2); |
| 923 | tdlsSetupReq.WMMInfoStation.acbe_uapsd = |
| 924 | ((pMac->lim.gLimTDLSUapsdMask & 0x08) >> 3); |
| 925 | |
| 926 | if (wlan_cfg_get_int(pMac, WNI_CFG_MAX_SP_LENGTH, &val) != |
| 927 | eSIR_SUCCESS) |
| 928 | lim_log(pMac, LOGE, |
| 929 | FL("could not retrieve Max SP Length")); |
| 930 | |
| 931 | tdlsSetupReq.WMMInfoStation.max_sp_length = (uint8_t) val; |
| 932 | tdlsSetupReq.WMMInfoStation.present = 1; |
| 933 | } else { |
| 934 | /* |
| 935 | * TODO: we need to see if we have to support conditions where |
| 936 | * we have EDCA parameter info element is needed a) if we need |
| 937 | * different QOS parameters for off channel operations or QOS |
| 938 | * is not supported on AP link and we wanted to QOS on direct |
| 939 | * link. |
| 940 | */ |
| 941 | |
| 942 | /* Populate QOS info, needed for Peer U-APSD session */ |
| 943 | |
| 944 | /* |
| 945 | * TODO: Now hardcoded, since populate_dot11f_qos_caps_station() |
| 946 | * depends on AP's capability, and TDLS doesn't want to depend |
| 947 | * on AP's capability |
| 948 | */ |
| 949 | |
| 950 | lim_log(pMac, LOG1, |
| 951 | FL("populate QOS IE in Setup Request Frame")); |
| 952 | tdlsSetupReq.QOSCapsStation.present = 1; |
| 953 | tdlsSetupReq.QOSCapsStation.max_sp_length = 0; |
| 954 | tdlsSetupReq.QOSCapsStation.qack = 0; |
| 955 | tdlsSetupReq.QOSCapsStation.acbe_uapsd = |
| 956 | ((pMac->lim.gLimTDLSUapsdMask & 0x08) >> 3); |
| 957 | tdlsSetupReq.QOSCapsStation.acbk_uapsd = |
| 958 | ((pMac->lim.gLimTDLSUapsdMask & 0x04) >> 2); |
| 959 | tdlsSetupReq.QOSCapsStation.acvi_uapsd = |
| 960 | ((pMac->lim.gLimTDLSUapsdMask & 0x02) >> 1); |
| 961 | tdlsSetupReq.QOSCapsStation.acvo_uapsd = |
| 962 | (pMac->lim.gLimTDLSUapsdMask & 0x01); |
| 963 | } |
| 964 | |
| 965 | /* |
| 966 | * we will always try to init TDLS link with 11n capabilities |
| 967 | * let TDLS setup response to come, and we will set our caps based |
| 968 | * of peer caps |
| 969 | */ |
| 970 | |
| 971 | wlan_cfg_get_int(pMac, WNI_CFG_DOT11_MODE, &selfDot11Mode); |
| 972 | |
| 973 | /* Populate HT/VHT Capabilities */ |
| 974 | populate_dot11f_tdls_ht_vht_cap(pMac, selfDot11Mode, &tdlsSetupReq.HTCaps, |
| 975 | &tdlsSetupReq.VHTCaps, psessionEntry); |
| 976 | |
| 977 | /* Populate AID */ |
| 978 | populate_dotf_tdls_vht_aid(pMac, selfDot11Mode, peerMac, |
| 979 | &tdlsSetupReq.AID, psessionEntry); |
| 980 | |
| 981 | /* Populate TDLS offchannel param only if offchannel is enabled |
| 982 | * and TDLS Channel Switching is not prohibited by AP in ExtCap |
| 983 | * IE in assoc/re-assoc response. |
| 984 | */ |
| 985 | if ((1 == pMac->lim.gLimTDLSOffChannelEnabled) && |
| 986 | (!psessionEntry->tdls_chan_swit_prohibited)) { |
| 987 | populate_dot11f_tdls_offchannel_params(pMac, psessionEntry, |
| 988 | &tdlsSetupReq.SuppChannels, |
| 989 | &tdlsSetupReq. |
| 990 | SuppOperatingClasses); |
| 991 | if (pMac->roam.configParam.bandCapability != eCSR_BAND_24) { |
| 992 | tdlsSetupReq.ht2040_bss_coexistence.present = 1; |
| 993 | tdlsSetupReq.ht2040_bss_coexistence.info_request = 1; |
| 994 | } |
| 995 | } else { |
| 996 | lim_log(pMac, LOG1, |
| 997 | FL("TDLS offchan not enabled, or channel switch prohibited by AP, gLimTDLSOffChannelEnabled (%d), tdls_chan_swit_prohibited (%d)"), |
| 998 | pMac->lim.gLimTDLSOffChannelEnabled, |
| 999 | psessionEntry->tdls_chan_swit_prohibited); |
| 1000 | } |
| 1001 | /* |
| 1002 | * now we pack it. First, how much space are we going to need? |
| 1003 | */ |
| 1004 | status = dot11f_get_packed_tdls_setup_req_size(pMac, &tdlsSetupReq, |
| 1005 | &nPayload); |
| 1006 | if (DOT11F_FAILED(status)) { |
| 1007 | lim_log(pMac, LOGE, |
| 1008 | FL( |
| 1009 | "Failed to calculate the packed size for a Setup Request (0x%08x)." |
| 1010 | ), |
| 1011 | status); |
| 1012 | /* We'll fall back on the worst case scenario: */ |
| 1013 | nPayload = sizeof(tDot11fProbeRequest); |
| 1014 | } else if (DOT11F_WARNED(status)) { |
| 1015 | lim_log(pMac, LOGW, |
| 1016 | FL( |
| 1017 | "There were warnings while calculating the packed size for a Setup Request (0x%08x)." |
| 1018 | ), |
| 1019 | status); |
| 1020 | } |
| 1021 | |
| 1022 | /* |
| 1023 | * This frame is going out from PE as data frames with special ethertype |
| 1024 | * 89-0d. |
| 1025 | * 8 bytes of RFC 1042 header |
| 1026 | */ |
| 1027 | |
| 1028 | nBytes = nPayload + ((IS_QOS_ENABLED(psessionEntry)) |
| 1029 | ? sizeof(tSirMacDataHdr3a) : |
| 1030 | sizeof(tSirMacMgmtHdr)) |
| 1031 | + sizeof(eth_890d_header) |
| 1032 | + PAYLOAD_TYPE_TDLS_SIZE + addIeLen; |
| 1033 | |
| 1034 | /* Ok-- try to allocate memory from MGMT PKT pool */ |
| 1035 | cdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame, |
| 1036 | (void **)&pPacket); |
| 1037 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1038 | lim_log(pMac, LOGE, |
| 1039 | FL( |
| 1040 | "Failed to allocate %d bytes for a TDLS Setup Request." |
| 1041 | ), |
| 1042 | nBytes); |
| 1043 | return eSIR_MEM_ALLOC_FAILED; |
| 1044 | } |
| 1045 | |
| 1046 | /* zero out the memory */ |
| 1047 | cdf_mem_set(pFrame, nBytes, 0); |
| 1048 | |
| 1049 | /* |
| 1050 | * IE formation, memory allocation is completed, Now form TDLS discovery |
| 1051 | * request frame |
| 1052 | */ |
| 1053 | |
| 1054 | /* fill out the buffer descriptor */ |
| 1055 | |
| 1056 | header_offset = lim_prepare_tdls_frame_header(pMac, pFrame, |
| 1057 | LINK_IDEN_ADDR_OFFSET |
| 1058 | (tdlsSetupReq), TDLS_LINK_AP, |
| 1059 | TDLS_INITIATOR, TID_AC_BK, |
| 1060 | psessionEntry); |
| 1061 | |
| 1062 | lim_log(pMac, LOGW, |
| 1063 | FL( |
| 1064 | "SupportedChnlWidth %x rxMCSMap %x rxMCSMap %x txSupDataRate %x" |
| 1065 | ), |
| 1066 | tdlsSetupReq.VHTCaps.supportedChannelWidthSet, |
| 1067 | tdlsSetupReq.VHTCaps.rxMCSMap, |
| 1068 | tdlsSetupReq.VHTCaps.txMCSMap, |
| 1069 | tdlsSetupReq.VHTCaps.txSupDataRate); |
| 1070 | |
| 1071 | status = dot11f_pack_tdls_setup_req(pMac, &tdlsSetupReq, pFrame |
| 1072 | + header_offset, nPayload, &nPayload); |
| 1073 | |
| 1074 | if (DOT11F_FAILED(status)) { |
| 1075 | lim_log(pMac, LOGE, |
| 1076 | FL("Failed to pack a TDLS Setup request (0x%08x)."), |
| 1077 | status); |
| 1078 | cds_packet_free((void *)pPacket); |
| 1079 | return eSIR_FAILURE; |
| 1080 | } else if (DOT11F_WARNED(status)) { |
| 1081 | lim_log(pMac, LOGW, |
| 1082 | FL( |
| 1083 | "There were warnings while packing TDLS Setup Request (0x%08x)." |
| 1084 | ), |
| 1085 | status); |
| 1086 | } |
| 1087 | /* Copy the additional IE. */ |
| 1088 | /* TODO : addIe is added at the end of the frame. This means it doesnt */ |
| 1089 | /* follow the order. This should be ok, but we should consider changing this */ |
| 1090 | /* if there is any IOT issue. */ |
| 1091 | if (addIeLen != 0) { |
| 1092 | lim_log(pMac, LOG1, FL("Copy Additional Ie Len = %d"), |
| 1093 | addIeLen); |
| 1094 | cdf_mem_copy(pFrame + header_offset + nPayload, addIe, |
| 1095 | addIeLen); |
| 1096 | } |
| 1097 | |
| 1098 | lim_log(pMac, LOG1, |
| 1099 | FL("[TDLS] action %d (%s) -AP-> OTA peer="MAC_ADDRESS_STR), |
| 1100 | SIR_MAC_TDLS_SETUP_REQ, |
| 1101 | lim_trace_tdls_action_string(SIR_MAC_TDLS_SETUP_REQ), |
| 1102 | MAC_ADDR_ARRAY(peerMac)); |
| 1103 | |
| 1104 | pMac->lim.mgmtFrameSessionId = psessionEntry->peSessionId; |
| 1105 | |
| 1106 | cdf_status = wma_tx_frameWithTxComplete(pMac, pPacket, (uint16_t) nBytes, |
| 1107 | TXRX_FRM_802_11_DATA, |
| 1108 | ANI_TXDIR_TODS, |
| 1109 | TID_AC_BK, |
| 1110 | lim_tx_complete, pFrame, |
| 1111 | lim_mgmt_tx_complete, |
| 1112 | HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME, |
| 1113 | smeSessionId, false, 0); |
| 1114 | |
| 1115 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1116 | pMac->lim.mgmtFrameSessionId = 0xff; |
| 1117 | lim_log(pMac, LOGE, |
| 1118 | FL("could not send TDLS Setup Request frame!")); |
| 1119 | return eSIR_FAILURE; |
| 1120 | } |
| 1121 | |
| 1122 | return eSIR_SUCCESS; |
| 1123 | |
| 1124 | } |
| 1125 | |
| 1126 | /* |
| 1127 | * Send TDLS Teardown frame on Direct link or AP link, depends on reason code. |
| 1128 | */ |
| 1129 | |
| 1130 | tSirRetStatus lim_send_tdls_teardown_frame(tpAniSirGlobal pMac, |
| 1131 | tSirMacAddr peerMac, uint16_t reason, |
| 1132 | uint8_t responder, |
| 1133 | tpPESession psessionEntry, |
| 1134 | uint8_t *addIe, uint16_t addIeLen) |
| 1135 | { |
| 1136 | tDot11fTDLSTeardown teardown; |
| 1137 | uint32_t status = 0; |
| 1138 | uint32_t nPayload = 0; |
| 1139 | uint32_t nBytes = 0; |
| 1140 | uint32_t header_offset = 0; |
| 1141 | uint8_t *pFrame; |
| 1142 | void *pPacket; |
| 1143 | CDF_STATUS cdf_status; |
| 1144 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 1145 | uint32_t padLen = 0; |
| 1146 | #endif |
| 1147 | uint8_t smeSessionId = 0; |
| 1148 | |
| 1149 | if (NULL == psessionEntry) { |
| 1150 | lim_log(pMac, LOGE, FL("psessionEntry is NULL")); |
| 1151 | return eSIR_FAILURE; |
| 1152 | } |
| 1153 | smeSessionId = psessionEntry->smeSessionId; |
| 1154 | /* |
| 1155 | * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| 1156 | * and then hand it off to 'dot11f_pack_probe_request' (for |
| 1157 | * serialization). We start by zero-initializing the structure: |
| 1158 | */ |
| 1159 | cdf_mem_set((uint8_t *) &teardown, sizeof(tDot11fTDLSTeardown), 0); |
| 1160 | teardown.Category.category = SIR_MAC_ACTION_TDLS; |
| 1161 | teardown.Action.action = SIR_MAC_TDLS_TEARDOWN; |
| 1162 | teardown.Reason.code = reason; |
| 1163 | |
| 1164 | populate_dot11f_link_iden(pMac, psessionEntry, &teardown.LinkIdentifier, |
| 1165 | peerMac, |
| 1166 | (responder == |
| 1167 | true) ? TDLS_RESPONDER : TDLS_INITIATOR); |
| 1168 | |
| 1169 | /* |
| 1170 | * now we pack it. First, how much space are we going to need? |
| 1171 | */ |
| 1172 | status = dot11f_get_packed_tdls_teardown_size(pMac, &teardown, &nPayload); |
| 1173 | if (DOT11F_FAILED(status)) { |
| 1174 | lim_log(pMac, LOGE, |
| 1175 | FL( |
| 1176 | "Failed to calculate the packed size for a discovery Request (0x%08x)." |
| 1177 | ), |
| 1178 | status); |
| 1179 | /* We'll fall back on the worst case scenario: */ |
| 1180 | nPayload = sizeof(tDot11fProbeRequest); |
| 1181 | } else if (DOT11F_WARNED(status)) { |
| 1182 | lim_log(pMac, LOGW, |
| 1183 | FL( |
| 1184 | "There were warnings while calculating the packed size for a discovery Request (0x%08x)." |
| 1185 | ), |
| 1186 | status); |
| 1187 | } |
| 1188 | |
| 1189 | /* |
| 1190 | * This frame is going out from PE as data frames with special ethertype |
| 1191 | * 89-0d. |
| 1192 | * 8 bytes of RFC 1042 header |
| 1193 | */ |
| 1194 | |
| 1195 | nBytes = nPayload + ((IS_QOS_ENABLED(psessionEntry)) |
| 1196 | ? sizeof(tSirMacDataHdr3a) : |
| 1197 | sizeof(tSirMacMgmtHdr)) |
| 1198 | + sizeof(eth_890d_header) |
| 1199 | + PAYLOAD_TYPE_TDLS_SIZE + addIeLen; |
| 1200 | |
| 1201 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 1202 | /* IOT issue with some AP : some AP doesn't like the data packet size < minimum 802.3 frame length (64) |
| 1203 | Hence AP itself padding some bytes, which caused teardown packet is dropped at |
| 1204 | receiver side. To avoid such IOT issue, we added some extra bytes to meet data frame size >= 64 |
| 1205 | */ |
| 1206 | if (nPayload + PAYLOAD_TYPE_TDLS_SIZE < MIN_IEEE_8023_SIZE) { |
| 1207 | padLen = |
| 1208 | MIN_IEEE_8023_SIZE - (nPayload + PAYLOAD_TYPE_TDLS_SIZE); |
| 1209 | |
| 1210 | /* if padLen is less than minimum vendorSpecific (5), pad up to 5 */ |
| 1211 | if (padLen < MIN_VENDOR_SPECIFIC_IE_SIZE) |
| 1212 | padLen = MIN_VENDOR_SPECIFIC_IE_SIZE; |
| 1213 | |
| 1214 | nBytes += padLen; |
| 1215 | } |
| 1216 | #endif |
| 1217 | |
| 1218 | /* Ok-- try to allocate memory from MGMT PKT pool */ |
| 1219 | cdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame, |
| 1220 | (void **)&pPacket); |
| 1221 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1222 | lim_log(pMac, LOGE, |
| 1223 | FL( |
| 1224 | "Failed to allocate %d bytes for a TDLS Teardown Frame." |
| 1225 | ), |
| 1226 | nBytes); |
| 1227 | return eSIR_MEM_ALLOC_FAILED; |
| 1228 | } |
| 1229 | |
| 1230 | /* zero out the memory */ |
| 1231 | cdf_mem_set(pFrame, nBytes, 0); |
| 1232 | |
| 1233 | /* |
| 1234 | * IE formation, memory allocation is completed, Now form TDLS discovery |
| 1235 | * request frame |
| 1236 | */ |
| 1237 | |
| 1238 | /* fill out the buffer descriptor */ |
| 1239 | lim_log(pMac, LOGE, FL("Reason of TDLS Teardown: %d"), reason); |
| 1240 | header_offset = lim_prepare_tdls_frame_header(pMac, pFrame, |
| 1241 | LINK_IDEN_ADDR_OFFSET |
| 1242 | (teardown), |
| 1243 | (reason == |
| 1244 | eSIR_MAC_TDLS_TEARDOWN_PEER_UNREACHABLE) |
| 1245 | ? TDLS_LINK_AP : |
| 1246 | TDLS_LINK_DIRECT, |
| 1247 | (responder == |
| 1248 | true) ? TDLS_RESPONDER : |
| 1249 | TDLS_INITIATOR, TID_AC_VI, |
| 1250 | psessionEntry); |
| 1251 | |
| 1252 | status = dot11f_pack_tdls_teardown(pMac, &teardown, pFrame |
| 1253 | + header_offset, nPayload, &nPayload); |
| 1254 | |
| 1255 | if (DOT11F_FAILED(status)) { |
| 1256 | lim_log(pMac, LOGE, |
| 1257 | FL("Failed to pack a TDLS Teardown frame (0x%08x)."), |
| 1258 | status); |
| 1259 | cds_packet_free((void *)pPacket); |
| 1260 | return eSIR_FAILURE; |
| 1261 | } else if (DOT11F_WARNED(status)) { |
| 1262 | lim_log(pMac, LOGW, |
| 1263 | FL( |
| 1264 | "There were warnings while packing TDLS Teardown frame (0x%08x)." |
| 1265 | ), |
| 1266 | status); |
| 1267 | } |
| 1268 | |
| 1269 | if (addIeLen != 0) { |
| 1270 | lim_log(pMac, LOGW, |
| 1271 | FL("Copy Additional Ie Len = %d"), addIeLen); |
| 1272 | cdf_mem_copy(pFrame + header_offset + nPayload, addIe, |
| 1273 | addIeLen); |
| 1274 | } |
| 1275 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 1276 | if (padLen != 0) { |
| 1277 | /* QCOM VENDOR OUI = { 0x00, 0xA0, 0xC6, type = 0x0000 }; */ |
| 1278 | uint8_t *padVendorSpecific = |
| 1279 | pFrame + header_offset + nPayload + addIeLen; |
| 1280 | /* make QCOM_VENDOR_OUI, and type = 0x0000, and all the payload to be zero */ |
| 1281 | padVendorSpecific[0] = 221; |
| 1282 | padVendorSpecific[1] = padLen - 2; |
| 1283 | padVendorSpecific[2] = 0x00; |
| 1284 | padVendorSpecific[3] = 0xA0; |
| 1285 | padVendorSpecific[4] = 0xC6; |
| 1286 | |
| 1287 | lim_log(pMac, LOG1, FL("Padding Vendor Specific Ie Len = %d"), |
| 1288 | padLen); |
| 1289 | |
| 1290 | /* padding zero if more than 5 bytes are required */ |
| 1291 | if (padLen > MIN_VENDOR_SPECIFIC_IE_SIZE) |
| 1292 | cdf_mem_set(pFrame + header_offset + nPayload + |
| 1293 | addIeLen + MIN_VENDOR_SPECIFIC_IE_SIZE, |
| 1294 | padLen - MIN_VENDOR_SPECIFIC_IE_SIZE, 0); |
| 1295 | } |
| 1296 | #endif |
| 1297 | lim_log(pMac, LOG1, |
| 1298 | FL("[TDLS] action %d (%s) -%s-> OTA peer="MAC_ADDRESS_STR), |
| 1299 | SIR_MAC_TDLS_TEARDOWN, |
| 1300 | lim_trace_tdls_action_string(SIR_MAC_TDLS_TEARDOWN), |
| 1301 | ((reason == eSIR_MAC_TDLS_TEARDOWN_PEER_UNREACHABLE) ? "AP" : |
| 1302 | "DIRECT"), |
| 1303 | MAC_ADDR_ARRAY(peerMac)); |
| 1304 | |
| 1305 | pMac->lim.mgmtFrameSessionId = psessionEntry->peSessionId; |
| 1306 | |
| 1307 | cdf_status = wma_tx_frameWithTxComplete(pMac, pPacket, (uint16_t) nBytes, |
| 1308 | TXRX_FRM_802_11_DATA, |
| 1309 | ANI_TXDIR_TODS, |
| 1310 | TID_AC_VI, |
| 1311 | lim_tx_complete, pFrame, |
| 1312 | lim_mgmt_tx_complete, |
| 1313 | HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME, |
| 1314 | smeSessionId, false, 0); |
| 1315 | |
| 1316 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1317 | pMac->lim.mgmtFrameSessionId = 0xff; |
| 1318 | lim_log(pMac, LOGE, |
| 1319 | FL("could not send TDLS Teardown frame")); |
| 1320 | return eSIR_FAILURE; |
| 1321 | |
| 1322 | } |
| 1323 | return eSIR_SUCCESS; |
| 1324 | |
| 1325 | } |
| 1326 | |
| 1327 | /* |
| 1328 | * Send Setup RSP frame on AP link. |
| 1329 | */ |
| 1330 | static tSirRetStatus lim_send_tdls_setup_rsp_frame(tpAniSirGlobal pMac, |
| 1331 | tSirMacAddr peerMac, |
| 1332 | uint8_t dialog, |
| 1333 | tpPESession psessionEntry, |
| 1334 | etdlsLinkSetupStatus setupStatus, |
| 1335 | uint8_t *addIe, |
| 1336 | uint16_t addIeLen) |
| 1337 | { |
| 1338 | tDot11fTDLSSetupRsp tdlsSetupRsp; |
| 1339 | uint32_t status = 0; |
| 1340 | uint16_t caps = 0; |
| 1341 | uint32_t nPayload = 0; |
| 1342 | uint32_t header_offset = 0; |
| 1343 | uint32_t nBytes = 0; |
| 1344 | uint8_t *pFrame; |
| 1345 | void *pPacket; |
| 1346 | CDF_STATUS cdf_status; |
| 1347 | uint32_t selfDot11Mode; |
| 1348 | /* Placeholder to support different channel bonding mode of TDLS than AP. */ |
| 1349 | /* Today, WNI_CFG_CHANNEL_BONDING_MODE will be overwritten when connecting to AP */ |
| 1350 | /* To support this feature, we need to introduce WNI_CFG_TDLS_CHANNEL_BONDING_MODE */ |
| 1351 | /* As of now, we hardcoded to max channel bonding of dot11Mode (i.e HT80 for 11ac/HT40 for 11n) */ |
| 1352 | /* uint32_t tdlsChannelBondingMode; */ |
| 1353 | uint8_t smeSessionId = 0; |
| 1354 | |
| 1355 | if (NULL == psessionEntry) { |
| 1356 | lim_log(pMac, LOGE, FL("psessionEntry is NULL")); |
| 1357 | return eSIR_FAILURE; |
| 1358 | } |
| 1359 | smeSessionId = psessionEntry->smeSessionId; |
| 1360 | |
| 1361 | /* |
| 1362 | * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| 1363 | * and then hand it off to 'dot11f_pack_probe_request' (for |
| 1364 | * serialization). We start by zero-initializing the structure: |
| 1365 | */ |
| 1366 | cdf_mem_set((uint8_t *) &tdlsSetupRsp, sizeof(tDot11fTDLSSetupRsp), 0); |
| 1367 | |
| 1368 | /* |
| 1369 | * setup Fixed fields, |
| 1370 | */ |
| 1371 | tdlsSetupRsp.Category.category = SIR_MAC_ACTION_TDLS; |
| 1372 | tdlsSetupRsp.Action.action = SIR_MAC_TDLS_SETUP_RSP; |
| 1373 | tdlsSetupRsp.DialogToken.token = dialog; |
| 1374 | |
| 1375 | populate_dot11f_link_iden(pMac, psessionEntry, |
| 1376 | &tdlsSetupRsp.LinkIdentifier, peerMac, |
| 1377 | TDLS_RESPONDER); |
| 1378 | |
| 1379 | if (cfg_get_capability_info(pMac, &caps, psessionEntry) != eSIR_SUCCESS) { |
| 1380 | /* |
| 1381 | * Could not get Capabilities value |
| 1382 | * from CFG. Log error. |
| 1383 | */ |
| 1384 | lim_log(pMac, LOGE, |
| 1385 | FL("could not retrieve Capabilities value")); |
| 1386 | } |
| 1387 | swap_bit_field16(caps, (uint16_t *) &tdlsSetupRsp.Capabilities); |
| 1388 | |
| 1389 | /* populate supported rate and ext supported rate IE */ |
| 1390 | if (eSIR_FAILURE == populate_dot11f_rates_tdls(pMac, |
| 1391 | &tdlsSetupRsp.SuppRates, |
| 1392 | &tdlsSetupRsp.ExtSuppRates)) |
| 1393 | lim_log(pMac, LOGE, |
| 1394 | FL("could not populate supported data rates")); |
| 1395 | |
| 1396 | /* Populate extended capability IE */ |
| 1397 | populate_dot11f_tdls_ext_capability(pMac, |
| 1398 | psessionEntry, |
| 1399 | &tdlsSetupRsp.ExtCap); |
| 1400 | |
| 1401 | if (1 == pMac->lim.gLimTDLSWmmMode) { |
| 1402 | uint32_t val = 0; |
| 1403 | |
| 1404 | lim_log(pMac, LOG1, |
| 1405 | FL("populate WMM IE in Setup Response frame")); |
| 1406 | /* include WMM IE */ |
| 1407 | tdlsSetupRsp.WMMInfoStation.version = SIR_MAC_OUI_VERSION_1; |
| 1408 | tdlsSetupRsp.WMMInfoStation.acvo_uapsd = |
| 1409 | (pMac->lim.gLimTDLSUapsdMask & 0x01); |
| 1410 | tdlsSetupRsp.WMMInfoStation.acvi_uapsd = |
| 1411 | ((pMac->lim.gLimTDLSUapsdMask & 0x02) >> 1); |
| 1412 | tdlsSetupRsp.WMMInfoStation.acbk_uapsd = |
| 1413 | ((pMac->lim.gLimTDLSUapsdMask & 0x04) >> 2); |
| 1414 | tdlsSetupRsp.WMMInfoStation.acbe_uapsd = |
| 1415 | ((pMac->lim.gLimTDLSUapsdMask & 0x08) >> 3); |
| 1416 | if (wlan_cfg_get_int(pMac, WNI_CFG_MAX_SP_LENGTH, &val) != |
| 1417 | eSIR_SUCCESS) |
| 1418 | lim_log(pMac, LOGE, |
| 1419 | FL("could not retrieve Max SP Length")); |
| 1420 | tdlsSetupRsp.WMMInfoStation.max_sp_length = (uint8_t) val; |
| 1421 | tdlsSetupRsp.WMMInfoStation.present = 1; |
| 1422 | } else { |
| 1423 | /* |
| 1424 | * TODO: we need to see if we have to support conditions where |
| 1425 | * we have EDCA parameter info element is needed a) if we need |
| 1426 | * different QOS parameters for off channel operations or QOS |
| 1427 | * is not supported on AP link and we wanted to QOS on direct |
| 1428 | * link. |
| 1429 | */ |
| 1430 | /* Populate QOS info, needed for Peer U-APSD session */ |
| 1431 | /* |
| 1432 | * TODO: Now hardcoded, because |
| 1433 | * populate_dot11f_qos_caps_station() depends on AP's |
| 1434 | * capability, and TDLS doesn't want to depend on AP's |
| 1435 | * capability |
| 1436 | */ |
| 1437 | lim_log(pMac, LOG1, |
| 1438 | FL("populate QOS IE in Setup Response frame")); |
| 1439 | tdlsSetupRsp.QOSCapsStation.present = 1; |
| 1440 | tdlsSetupRsp.QOSCapsStation.max_sp_length = 0; |
| 1441 | tdlsSetupRsp.QOSCapsStation.qack = 0; |
| 1442 | tdlsSetupRsp.QOSCapsStation.acbe_uapsd = |
| 1443 | ((pMac->lim.gLimTDLSUapsdMask & 0x08) >> 3); |
| 1444 | tdlsSetupRsp.QOSCapsStation.acbk_uapsd = |
| 1445 | ((pMac->lim.gLimTDLSUapsdMask & 0x04) >> 2); |
| 1446 | tdlsSetupRsp.QOSCapsStation.acvi_uapsd = |
| 1447 | ((pMac->lim.gLimTDLSUapsdMask & 0x02) >> 1); |
| 1448 | tdlsSetupRsp.QOSCapsStation.acvo_uapsd = |
| 1449 | (pMac->lim.gLimTDLSUapsdMask & 0x01); |
| 1450 | } |
| 1451 | |
| 1452 | wlan_cfg_get_int(pMac, WNI_CFG_DOT11_MODE, &selfDot11Mode); |
| 1453 | |
| 1454 | /* Populate HT/VHT Capabilities */ |
| 1455 | populate_dot11f_tdls_ht_vht_cap(pMac, selfDot11Mode, &tdlsSetupRsp.HTCaps, |
| 1456 | &tdlsSetupRsp.VHTCaps, psessionEntry); |
| 1457 | |
| 1458 | /* Populate AID */ |
| 1459 | populate_dotf_tdls_vht_aid(pMac, selfDot11Mode, peerMac, |
| 1460 | &tdlsSetupRsp.AID, psessionEntry); |
| 1461 | |
| 1462 | /* Populate TDLS offchannel param only if offchannel is enabled |
| 1463 | * and TDLS Channel Switching is not prohibited by AP in ExtCap |
| 1464 | * IE in assoc/re-assoc response. |
| 1465 | */ |
| 1466 | if ((1 == pMac->lim.gLimTDLSOffChannelEnabled) && |
| 1467 | (!psessionEntry->tdls_chan_swit_prohibited)) { |
| 1468 | populate_dot11f_tdls_offchannel_params(pMac, psessionEntry, |
| 1469 | &tdlsSetupRsp.SuppChannels, |
| 1470 | &tdlsSetupRsp. |
| 1471 | SuppOperatingClasses); |
| 1472 | if (pMac->roam.configParam.bandCapability != eCSR_BAND_24) { |
| 1473 | tdlsSetupRsp.ht2040_bss_coexistence.present = 1; |
| 1474 | tdlsSetupRsp.ht2040_bss_coexistence.info_request = 1; |
| 1475 | } |
| 1476 | } else { |
| 1477 | lim_log(pMac, LOG1, |
| 1478 | FL("TDLS offchan not enabled, or channel switch prohibited by AP, gLimTDLSOffChannelEnabled (%d), tdls_chan_swit_prohibited (%d)"), |
| 1479 | pMac->lim.gLimTDLSOffChannelEnabled, |
| 1480 | psessionEntry->tdls_chan_swit_prohibited); |
| 1481 | } |
| 1482 | tdlsSetupRsp.Status.status = setupStatus; |
| 1483 | /* |
| 1484 | * now we pack it. First, how much space are we going to need? |
| 1485 | */ |
| 1486 | status = dot11f_get_packed_tdls_setup_rsp_size(pMac, &tdlsSetupRsp, |
| 1487 | &nPayload); |
| 1488 | if (DOT11F_FAILED(status)) { |
| 1489 | lim_log(pMac, LOGE, |
| 1490 | FL( |
| 1491 | "Failed to calculate the packed size for a Setup Response (0x%08x)." |
| 1492 | ), |
| 1493 | status); |
| 1494 | /* We'll fall back on the worst case scenario: */ |
| 1495 | nPayload = sizeof(tDot11fProbeRequest); |
| 1496 | } else if (DOT11F_WARNED(status)) { |
| 1497 | lim_log(pMac, LOGW, |
| 1498 | FL( |
| 1499 | "There were warnings while calculating the packed size for Setup Response (0x%08x)." |
| 1500 | ), |
| 1501 | status); |
| 1502 | } |
| 1503 | |
| 1504 | /* |
| 1505 | * This frame is going out from PE as data frames with special ethertype |
| 1506 | * 89-0d. |
| 1507 | * 8 bytes of RFC 1042 header |
| 1508 | */ |
| 1509 | |
| 1510 | nBytes = nPayload + ((IS_QOS_ENABLED(psessionEntry)) |
| 1511 | ? sizeof(tSirMacDataHdr3a) : |
| 1512 | sizeof(tSirMacMgmtHdr)) |
| 1513 | + sizeof(eth_890d_header) |
| 1514 | + PAYLOAD_TYPE_TDLS_SIZE + addIeLen; |
| 1515 | |
| 1516 | /* Ok-- try to allocate memory from MGMT PKT pool */ |
| 1517 | cdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame, |
| 1518 | (void **)&pPacket); |
| 1519 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1520 | lim_log(pMac, LOGE, |
| 1521 | FL( |
| 1522 | "Failed to allocate %d bytes for a TDLS Setup Response." |
| 1523 | ), |
| 1524 | nBytes); |
| 1525 | return eSIR_MEM_ALLOC_FAILED; |
| 1526 | } |
| 1527 | |
| 1528 | /* zero out the memory */ |
| 1529 | cdf_mem_set(pFrame, nBytes, 0); |
| 1530 | |
| 1531 | /* |
| 1532 | * IE formation, memory allocation is completed, Now form TDLS discovery |
| 1533 | * request frame |
| 1534 | */ |
| 1535 | |
| 1536 | /* fill out the buffer descriptor */ |
| 1537 | |
| 1538 | header_offset = lim_prepare_tdls_frame_header(pMac, pFrame, |
| 1539 | LINK_IDEN_ADDR_OFFSET |
| 1540 | (tdlsSetupRsp), TDLS_LINK_AP, |
| 1541 | TDLS_RESPONDER, TID_AC_BK, |
| 1542 | psessionEntry); |
| 1543 | |
| 1544 | lim_log(pMac, LOG1, |
| 1545 | FL( |
| 1546 | "SupportedChnlWidth %x rxMCSMap %x rxMCSMap %x txSupDataRate %x" |
| 1547 | ), |
| 1548 | tdlsSetupRsp.VHTCaps.supportedChannelWidthSet, |
| 1549 | tdlsSetupRsp.VHTCaps.rxMCSMap, |
| 1550 | tdlsSetupRsp.VHTCaps.txMCSMap, |
| 1551 | tdlsSetupRsp.VHTCaps.txSupDataRate); |
| 1552 | status = dot11f_pack_tdls_setup_rsp(pMac, &tdlsSetupRsp, |
| 1553 | pFrame + header_offset, |
| 1554 | nPayload, &nPayload); |
| 1555 | |
| 1556 | if (DOT11F_FAILED(status)) { |
| 1557 | lim_log(pMac, LOGE, |
| 1558 | FL("Failed to pack a TDLS Setup Response (0x%08x)."), |
| 1559 | status); |
| 1560 | cds_packet_free((void *)pPacket); |
| 1561 | return eSIR_FAILURE; |
| 1562 | } else if (DOT11F_WARNED(status)) { |
| 1563 | lim_log(pMac, LOGW, |
| 1564 | FL( |
| 1565 | "There were warnings while packing TDLS Setup Response (0x%08x)." |
| 1566 | ), |
| 1567 | status); |
| 1568 | } |
| 1569 | /* Copy the additional IE. */ |
| 1570 | /* TODO : addIe is added at the end of the frame. This means it doesnt */ |
| 1571 | /* follow the order. This should be ok, but we should consider changing this */ |
| 1572 | /* if there is any IOT issue. */ |
| 1573 | if (addIeLen != 0) { |
| 1574 | cdf_mem_copy(pFrame + header_offset + nPayload, addIe, |
| 1575 | addIeLen); |
| 1576 | } |
| 1577 | |
| 1578 | lim_log(pMac, LOG1, |
| 1579 | FL("[TDLS] action %d (%s) -AP-> OTA peer="MAC_ADDRESS_STR), |
| 1580 | SIR_MAC_TDLS_SETUP_RSP, |
| 1581 | lim_trace_tdls_action_string(SIR_MAC_TDLS_SETUP_RSP), |
| 1582 | MAC_ADDR_ARRAY(peerMac)); |
| 1583 | |
| 1584 | pMac->lim.mgmtFrameSessionId = psessionEntry->peSessionId; |
| 1585 | |
| 1586 | cdf_status = wma_tx_frameWithTxComplete(pMac, pPacket, (uint16_t) nBytes, |
| 1587 | TXRX_FRM_802_11_DATA, |
| 1588 | ANI_TXDIR_TODS, |
| 1589 | TID_AC_BK, |
| 1590 | lim_tx_complete, pFrame, |
| 1591 | lim_mgmt_tx_complete, |
| 1592 | HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME, |
| 1593 | smeSessionId, false, 0); |
| 1594 | |
| 1595 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1596 | pMac->lim.mgmtFrameSessionId = 0xff; |
| 1597 | lim_log(pMac, LOGE, |
| 1598 | FL("could not send TDLS Dis Request frame!")); |
| 1599 | return eSIR_FAILURE; |
| 1600 | } |
| 1601 | |
| 1602 | return eSIR_SUCCESS; |
| 1603 | |
| 1604 | } |
| 1605 | |
| 1606 | /* |
| 1607 | * Send TDLS setup CNF frame on AP link |
| 1608 | */ |
| 1609 | |
| 1610 | tSirRetStatus lim_send_tdls_link_setup_cnf_frame(tpAniSirGlobal pMac, |
| 1611 | tSirMacAddr peerMac, |
| 1612 | uint8_t dialog, |
| 1613 | uint32_t peerCapability, |
| 1614 | tpPESession psessionEntry, |
| 1615 | uint8_t *addIe, uint16_t addIeLen) |
| 1616 | { |
| 1617 | tDot11fTDLSSetupCnf tdlsSetupCnf; |
| 1618 | uint32_t status = 0; |
| 1619 | uint32_t nPayload = 0; |
| 1620 | uint32_t nBytes = 0; |
| 1621 | uint32_t header_offset = 0; |
| 1622 | uint8_t *pFrame; |
| 1623 | void *pPacket; |
| 1624 | CDF_STATUS cdf_status; |
| 1625 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 1626 | uint32_t padLen = 0; |
| 1627 | #endif |
| 1628 | uint8_t smeSessionId = 0; |
| 1629 | |
| 1630 | /* |
| 1631 | * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| 1632 | * and then hand it off to 'dot11f_pack_probe_request' (for |
| 1633 | * serialization). We start by zero-initializing the structure: |
| 1634 | */ |
| 1635 | smeSessionId = psessionEntry->smeSessionId; |
| 1636 | |
| 1637 | cdf_mem_set((uint8_t *) &tdlsSetupCnf, sizeof(tDot11fTDLSSetupCnf), 0); |
| 1638 | |
| 1639 | /* |
| 1640 | * setup Fixed fields, |
| 1641 | */ |
| 1642 | tdlsSetupCnf.Category.category = SIR_MAC_ACTION_TDLS; |
| 1643 | tdlsSetupCnf.Action.action = SIR_MAC_TDLS_SETUP_CNF; |
| 1644 | tdlsSetupCnf.DialogToken.token = dialog; |
| 1645 | |
| 1646 | populate_dot11f_link_iden(pMac, psessionEntry, |
| 1647 | &tdlsSetupCnf.LinkIdentifier, peerMac, |
| 1648 | TDLS_INITIATOR); |
| 1649 | /* |
| 1650 | * TODO: we need to see if we have to support conditions where we have |
| 1651 | * EDCA parameter info element is needed a) if we need different QOS |
| 1652 | * parameters for off channel operations or QOS is not supported on |
| 1653 | * AP link and we wanted to QOS on direct link. |
| 1654 | */ |
| 1655 | |
| 1656 | /* Check self and peer WMM capable */ |
| 1657 | if ((1 == pMac->lim.gLimTDLSWmmMode) && |
| 1658 | (CHECK_BIT(peerCapability, TDLS_PEER_WMM_CAP))) { |
| 1659 | lim_log(pMac, LOG1, FL("populate WMM praram in Setup Confirm")); |
| 1660 | populate_dot11f_wmm_params(pMac, &tdlsSetupCnf.WMMParams, |
| 1661 | psessionEntry); |
| 1662 | } |
| 1663 | |
| 1664 | /* Check peer is VHT capable */ |
| 1665 | if (CHECK_BIT(peerCapability, TDLS_PEER_VHT_CAP)) { |
| 1666 | populate_dot11f_vht_operation(pMac, |
| 1667 | psessionEntry, |
| 1668 | &tdlsSetupCnf.VHTOperation); |
| 1669 | populate_dot11f_ht_info(pMac, &tdlsSetupCnf.HTInfo, psessionEntry); |
| 1670 | } else if (CHECK_BIT(peerCapability, TDLS_PEER_HT_CAP)) { /* Check peer is HT capable */ |
| 1671 | populate_dot11f_ht_info(pMac, &tdlsSetupCnf.HTInfo, psessionEntry); |
| 1672 | } |
| 1673 | |
| 1674 | /* |
| 1675 | * now we pack it. First, how much space are we going to need? |
| 1676 | */ |
| 1677 | status = dot11f_get_packed_tdls_setup_cnf_size(pMac, &tdlsSetupCnf, |
| 1678 | &nPayload); |
| 1679 | if (DOT11F_FAILED(status)) { |
| 1680 | lim_log(pMac, LOGE, |
| 1681 | FL( |
| 1682 | "Failed to calculate the packed size for a Setup Confirm (0x%08x)." |
| 1683 | ), |
| 1684 | status); |
| 1685 | /* We'll fall back on the worst case scenario: */ |
| 1686 | nPayload = sizeof(tDot11fProbeRequest); |
| 1687 | } else if (DOT11F_WARNED(status)) { |
| 1688 | lim_log(pMac, LOGW, |
| 1689 | FL( |
| 1690 | "There were warnings while calculating the packed size for Setup Confirm (0x%08x)." |
| 1691 | ), |
| 1692 | status); |
| 1693 | } |
| 1694 | |
| 1695 | /* |
| 1696 | * This frame is going out from PE as data frames with special ethertype |
| 1697 | * 89-0d. |
| 1698 | * 8 bytes of RFC 1042 header |
| 1699 | */ |
| 1700 | |
| 1701 | nBytes = nPayload + ((IS_QOS_ENABLED(psessionEntry)) |
| 1702 | ? sizeof(tSirMacDataHdr3a) : |
| 1703 | sizeof(tSirMacMgmtHdr)) |
| 1704 | + sizeof(eth_890d_header) |
| 1705 | + PAYLOAD_TYPE_TDLS_SIZE + addIeLen; |
| 1706 | |
| 1707 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 1708 | /* IOT issue with some AP : some AP doesn't like the data packet size < minimum 802.3 frame length (64) |
| 1709 | Hence AP itself padding some bytes, which caused teardown packet is dropped at |
| 1710 | receiver side. To avoid such IOT issue, we added some extra bytes to meet data frame size >= 64 |
| 1711 | */ |
| 1712 | if (nPayload + PAYLOAD_TYPE_TDLS_SIZE < MIN_IEEE_8023_SIZE) { |
| 1713 | padLen = |
| 1714 | MIN_IEEE_8023_SIZE - (nPayload + PAYLOAD_TYPE_TDLS_SIZE); |
| 1715 | |
| 1716 | /* if padLen is less than minimum vendorSpecific (5), pad up to 5 */ |
| 1717 | if (padLen < MIN_VENDOR_SPECIFIC_IE_SIZE) |
| 1718 | padLen = MIN_VENDOR_SPECIFIC_IE_SIZE; |
| 1719 | |
| 1720 | nBytes += padLen; |
| 1721 | } |
| 1722 | #endif |
| 1723 | |
| 1724 | /* Ok-- try to allocate memory from MGMT PKT pool */ |
| 1725 | cdf_status = cds_packet_alloc((uint16_t) nBytes, (void **)&pFrame, |
| 1726 | (void **)&pPacket); |
| 1727 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1728 | lim_log(pMac, LOGE, |
| 1729 | FL( |
| 1730 | "Failed to allocate %d bytes for a TDLS Setup Confirm." |
| 1731 | ), |
| 1732 | nBytes); |
| 1733 | return eSIR_MEM_ALLOC_FAILED; |
| 1734 | } |
| 1735 | |
| 1736 | /* zero out the memory */ |
| 1737 | cdf_mem_set(pFrame, nBytes, 0); |
| 1738 | |
| 1739 | /* |
| 1740 | * IE formation, memory allocation is completed, Now form TDLS discovery |
| 1741 | * request frame |
| 1742 | */ |
| 1743 | |
| 1744 | /* fill out the buffer descriptor */ |
| 1745 | |
| 1746 | header_offset = lim_prepare_tdls_frame_header(pMac, pFrame, |
| 1747 | LINK_IDEN_ADDR_OFFSET |
| 1748 | (tdlsSetupCnf), TDLS_LINK_AP, |
| 1749 | TDLS_INITIATOR, TID_AC_VI, |
| 1750 | psessionEntry); |
| 1751 | |
| 1752 | status = dot11f_pack_tdls_setup_cnf(pMac, &tdlsSetupCnf, pFrame |
| 1753 | + header_offset, nPayload, &nPayload); |
| 1754 | |
| 1755 | if (DOT11F_FAILED(status)) { |
| 1756 | lim_log(pMac, LOGE, |
| 1757 | FL("Failed to pack a TDLS discovery req (0x%08x)."), |
| 1758 | status); |
| 1759 | cds_packet_free((void *)pPacket); |
| 1760 | return eSIR_FAILURE; |
| 1761 | } else if (DOT11F_WARNED(status)) { |
| 1762 | lim_log(pMac, LOGW, |
| 1763 | FL( |
| 1764 | "There were warnings while packing TDLS Discovery Request (0x%08x)." |
| 1765 | ), |
| 1766 | status); |
| 1767 | } |
| 1768 | /* Copy the additional IE. */ |
| 1769 | /* TODO : addIe is added at the end of the frame. This means it doesnt */ |
| 1770 | /* follow the order. This should be ok, but we should consider changing this */ |
| 1771 | /* if there is any IOT issue. */ |
| 1772 | if (addIeLen != 0) { |
| 1773 | cdf_mem_copy(pFrame + header_offset + nPayload, addIe, |
| 1774 | addIeLen); |
| 1775 | } |
| 1776 | #ifndef NO_PAD_TDLS_MIN_8023_SIZE |
| 1777 | if (padLen != 0) { |
| 1778 | /* QCOM VENDOR OUI = { 0x00, 0xA0, 0xC6, type = 0x0000 }; */ |
| 1779 | uint8_t *padVendorSpecific = |
| 1780 | pFrame + header_offset + nPayload + addIeLen; |
| 1781 | /* make QCOM_VENDOR_OUI, and type = 0x0000, and all the payload to be zero */ |
| 1782 | padVendorSpecific[0] = 221; |
| 1783 | padVendorSpecific[1] = padLen - 2; |
| 1784 | padVendorSpecific[2] = 0x00; |
| 1785 | padVendorSpecific[3] = 0xA0; |
| 1786 | padVendorSpecific[4] = 0xC6; |
| 1787 | |
| 1788 | lim_log(pMac, LOG1, FL("Padding Vendor Specific Ie Len = %d"), |
| 1789 | padLen); |
| 1790 | |
| 1791 | /* padding zero if more than 5 bytes are required */ |
| 1792 | if (padLen > MIN_VENDOR_SPECIFIC_IE_SIZE) |
| 1793 | cdf_mem_set(pFrame + header_offset + nPayload + |
| 1794 | addIeLen + MIN_VENDOR_SPECIFIC_IE_SIZE, |
| 1795 | padLen - MIN_VENDOR_SPECIFIC_IE_SIZE, 0); |
| 1796 | } |
| 1797 | #endif |
| 1798 | |
| 1799 | lim_log(pMac, LOG1, |
| 1800 | FL("[TDLS] action %d (%s) -AP-> OTA peer="MAC_ADDRESS_STR), |
| 1801 | SIR_MAC_TDLS_SETUP_CNF, |
| 1802 | lim_trace_tdls_action_string(SIR_MAC_TDLS_SETUP_CNF), |
| 1803 | MAC_ADDR_ARRAY(peerMac)); |
| 1804 | |
| 1805 | pMac->lim.mgmtFrameSessionId = psessionEntry->peSessionId; |
| 1806 | |
| 1807 | cdf_status = wma_tx_frameWithTxComplete(pMac, pPacket, (uint16_t) nBytes, |
| 1808 | TXRX_FRM_802_11_DATA, |
| 1809 | ANI_TXDIR_TODS, |
| 1810 | TID_AC_VI, |
| 1811 | lim_tx_complete, pFrame, |
| 1812 | lim_mgmt_tx_complete, |
| 1813 | HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME, |
| 1814 | smeSessionId, false, 0); |
| 1815 | |
| 1816 | if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| 1817 | pMac->lim.mgmtFrameSessionId = 0xff; |
| 1818 | lim_log(pMac, LOGE, |
| 1819 | FL("could not send TDLS Setup Confirm frame")); |
| 1820 | return eSIR_FAILURE; |
| 1821 | |
| 1822 | } |
| 1823 | |
| 1824 | return eSIR_SUCCESS; |
| 1825 | } |
| 1826 | |
| 1827 | /* This Function is similar to populate_dot11f_ht_caps, except that the HT Capabilities |
| 1828 | * are considered from the AddStaReq rather from the cfg.dat as in populate_dot11f_ht_caps |
| 1829 | */ |
| 1830 | static tSirRetStatus lim_tdls_populate_dot11f_ht_caps(tpAniSirGlobal pMac, |
| 1831 | tpPESession psessionEntry, |
| 1832 | tSirTdlsAddStaReq * |
| 1833 | pTdlsAddStaReq, |
| 1834 | tDot11fIEHTCaps *pDot11f) |
| 1835 | { |
| 1836 | uint32_t nCfgValue; |
| 1837 | uint8_t nCfgValue8; |
| 1838 | tSirMacHTParametersInfo *pHTParametersInfo; |
| 1839 | union { |
| 1840 | uint16_t nCfgValue16; |
| 1841 | tSirMacHTCapabilityInfo htCapInfo; |
| 1842 | tSirMacExtendedHTCapabilityInfo extHtCapInfo; |
| 1843 | } uHTCapabilityInfo; |
| 1844 | |
| 1845 | tSirMacTxBFCapabilityInfo *pTxBFCapabilityInfo; |
| 1846 | tSirMacASCapabilityInfo *pASCapabilityInfo; |
| 1847 | |
| 1848 | nCfgValue = pTdlsAddStaReq->htCap.capInfo; |
| 1849 | |
| 1850 | uHTCapabilityInfo.nCfgValue16 = nCfgValue & 0xFFFF; |
| 1851 | |
| 1852 | pDot11f->advCodingCap = uHTCapabilityInfo.htCapInfo.advCodingCap; |
| 1853 | pDot11f->mimoPowerSave = uHTCapabilityInfo.htCapInfo.mimoPowerSave; |
| 1854 | pDot11f->greenField = uHTCapabilityInfo.htCapInfo.greenField; |
| 1855 | pDot11f->shortGI20MHz = uHTCapabilityInfo.htCapInfo.shortGI20MHz; |
| 1856 | pDot11f->shortGI40MHz = uHTCapabilityInfo.htCapInfo.shortGI40MHz; |
| 1857 | pDot11f->txSTBC = uHTCapabilityInfo.htCapInfo.txSTBC; |
| 1858 | pDot11f->rxSTBC = uHTCapabilityInfo.htCapInfo.rxSTBC; |
| 1859 | pDot11f->delayedBA = uHTCapabilityInfo.htCapInfo.delayedBA; |
| 1860 | pDot11f->maximalAMSDUsize = |
| 1861 | uHTCapabilityInfo.htCapInfo.maximalAMSDUsize; |
| 1862 | pDot11f->dsssCckMode40MHz = |
| 1863 | uHTCapabilityInfo.htCapInfo.dsssCckMode40MHz; |
| 1864 | pDot11f->psmp = uHTCapabilityInfo.htCapInfo.psmp; |
| 1865 | pDot11f->stbcControlFrame = |
| 1866 | uHTCapabilityInfo.htCapInfo.stbcControlFrame; |
| 1867 | pDot11f->lsigTXOPProtection = |
| 1868 | uHTCapabilityInfo.htCapInfo.lsigTXOPProtection; |
| 1869 | |
| 1870 | /* |
| 1871 | * All sessionized entries will need the check below |
| 1872 | * Only in case of NO session |
| 1873 | */ |
| 1874 | if (psessionEntry == NULL) { |
| 1875 | pDot11f->supportedChannelWidthSet = |
| 1876 | uHTCapabilityInfo.htCapInfo.supportedChannelWidthSet; |
| 1877 | } else { |
| 1878 | pDot11f->supportedChannelWidthSet = |
| 1879 | psessionEntry->htSupportedChannelWidthSet; |
| 1880 | } |
| 1881 | |
| 1882 | /* Ensure that shortGI40MHz is Disabled if supportedChannelWidthSet is |
| 1883 | eHT_CHANNEL_WIDTH_20MHZ */ |
| 1884 | if (pDot11f->supportedChannelWidthSet == eHT_CHANNEL_WIDTH_20MHZ) { |
| 1885 | pDot11f->shortGI40MHz = 0; |
| 1886 | } |
| 1887 | |
| 1888 | lim_log(pMac, LOG1, |
| 1889 | FL( |
| 1890 | "SupportedChnlWidth: %d, mimoPS: %d, GF: %d, shortGI20:%d, shortGI40: %d, dsssCck: %d" |
| 1891 | ), |
| 1892 | pDot11f->supportedChannelWidthSet, |
| 1893 | pDot11f->mimoPowerSave, |
| 1894 | pDot11f->greenField, |
| 1895 | pDot11f->shortGI20MHz, |
| 1896 | pDot11f->shortGI40MHz, |
| 1897 | pDot11f->dsssCckMode40MHz); |
| 1898 | |
| 1899 | nCfgValue = pTdlsAddStaReq->htCap.ampduParamsInfo; |
| 1900 | |
| 1901 | nCfgValue8 = (uint8_t) nCfgValue; |
| 1902 | pHTParametersInfo = (tSirMacHTParametersInfo *) &nCfgValue8; |
| 1903 | |
| 1904 | pDot11f->maxRxAMPDUFactor = pHTParametersInfo->maxRxAMPDUFactor; |
| 1905 | pDot11f->mpduDensity = pHTParametersInfo->mpduDensity; |
| 1906 | pDot11f->reserved1 = pHTParametersInfo->reserved; |
| 1907 | |
| 1908 | lim_log(pMac, LOG1, FL("AMPDU Param: %x"), nCfgValue); |
| 1909 | |
| 1910 | cdf_mem_copy(pDot11f->supportedMCSSet, pTdlsAddStaReq->htCap.suppMcsSet, |
| 1911 | SIZE_OF_SUPPORTED_MCS_SET); |
| 1912 | |
| 1913 | nCfgValue = pTdlsAddStaReq->htCap.extendedHtCapInfo; |
| 1914 | |
| 1915 | uHTCapabilityInfo.nCfgValue16 = nCfgValue & 0xFFFF; |
| 1916 | |
| 1917 | pDot11f->pco = uHTCapabilityInfo.extHtCapInfo.pco; |
| 1918 | pDot11f->transitionTime = uHTCapabilityInfo.extHtCapInfo.transitionTime; |
| 1919 | pDot11f->mcsFeedback = uHTCapabilityInfo.extHtCapInfo.mcsFeedback; |
| 1920 | |
| 1921 | nCfgValue = pTdlsAddStaReq->htCap.txBFCapInfo; |
| 1922 | |
| 1923 | pTxBFCapabilityInfo = (tSirMacTxBFCapabilityInfo *) &nCfgValue; |
| 1924 | pDot11f->txBF = pTxBFCapabilityInfo->txBF; |
| 1925 | pDot11f->rxStaggeredSounding = pTxBFCapabilityInfo->rxStaggeredSounding; |
| 1926 | pDot11f->txStaggeredSounding = pTxBFCapabilityInfo->txStaggeredSounding; |
| 1927 | pDot11f->rxZLF = pTxBFCapabilityInfo->rxZLF; |
| 1928 | pDot11f->txZLF = pTxBFCapabilityInfo->txZLF; |
| 1929 | pDot11f->implicitTxBF = pTxBFCapabilityInfo->implicitTxBF; |
| 1930 | pDot11f->calibration = pTxBFCapabilityInfo->calibration; |
| 1931 | pDot11f->explicitCSITxBF = pTxBFCapabilityInfo->explicitCSITxBF; |
| 1932 | pDot11f->explicitUncompressedSteeringMatrix = |
| 1933 | pTxBFCapabilityInfo->explicitUncompressedSteeringMatrix; |
| 1934 | pDot11f->explicitBFCSIFeedback = |
| 1935 | pTxBFCapabilityInfo->explicitBFCSIFeedback; |
| 1936 | pDot11f->explicitUncompressedSteeringMatrixFeedback = |
| 1937 | pTxBFCapabilityInfo->explicitUncompressedSteeringMatrixFeedback; |
| 1938 | pDot11f->explicitCompressedSteeringMatrixFeedback = |
| 1939 | pTxBFCapabilityInfo->explicitCompressedSteeringMatrixFeedback; |
| 1940 | pDot11f->csiNumBFAntennae = pTxBFCapabilityInfo->csiNumBFAntennae; |
| 1941 | pDot11f->uncompressedSteeringMatrixBFAntennae = |
| 1942 | pTxBFCapabilityInfo->uncompressedSteeringMatrixBFAntennae; |
| 1943 | pDot11f->compressedSteeringMatrixBFAntennae = |
| 1944 | pTxBFCapabilityInfo->compressedSteeringMatrixBFAntennae; |
| 1945 | |
| 1946 | nCfgValue = pTdlsAddStaReq->htCap.antennaSelectionInfo; |
| 1947 | |
| 1948 | nCfgValue8 = (uint8_t) nCfgValue; |
| 1949 | |
| 1950 | pASCapabilityInfo = (tSirMacASCapabilityInfo *) &nCfgValue8; |
| 1951 | pDot11f->antennaSelection = pASCapabilityInfo->antennaSelection; |
| 1952 | pDot11f->explicitCSIFeedbackTx = |
| 1953 | pASCapabilityInfo->explicitCSIFeedbackTx; |
| 1954 | pDot11f->antennaIndicesFeedbackTx = |
| 1955 | pASCapabilityInfo->antennaIndicesFeedbackTx; |
| 1956 | pDot11f->explicitCSIFeedback = pASCapabilityInfo->explicitCSIFeedback; |
| 1957 | pDot11f->antennaIndicesFeedback = |
| 1958 | pASCapabilityInfo->antennaIndicesFeedback; |
| 1959 | pDot11f->rxAS = pASCapabilityInfo->rxAS; |
| 1960 | pDot11f->txSoundingPPDUs = pASCapabilityInfo->txSoundingPPDUs; |
| 1961 | |
| 1962 | pDot11f->present = pTdlsAddStaReq->htcap_present; |
| 1963 | |
| 1964 | return eSIR_SUCCESS; |
| 1965 | |
| 1966 | } |
| 1967 | |
| 1968 | tSirRetStatus |
| 1969 | lim_tdls_populate_dot11f_vht_caps(tpAniSirGlobal pMac, |
| 1970 | tSirTdlsAddStaReq *pTdlsAddStaReq, |
| 1971 | tDot11fIEVHTCaps *pDot11f) |
| 1972 | { |
| 1973 | uint32_t nCfgValue = 0; |
| 1974 | union { |
| 1975 | uint32_t nCfgValue32; |
| 1976 | tSirMacVHTCapabilityInfo vhtCapInfo; |
| 1977 | } uVHTCapabilityInfo; |
| 1978 | union { |
| 1979 | uint16_t nCfgValue16; |
| 1980 | tSirMacVHTTxSupDataRateInfo vhtTxSupDataRateInfo; |
| 1981 | tSirMacVHTRxSupDataRateInfo vhtRxsupDataRateInfo; |
| 1982 | } uVHTSupDataRateInfo; |
| 1983 | |
| 1984 | pDot11f->present = pTdlsAddStaReq->vhtcap_present; |
| 1985 | |
| 1986 | nCfgValue = pTdlsAddStaReq->vhtCap.vhtCapInfo; |
| 1987 | uVHTCapabilityInfo.nCfgValue32 = nCfgValue; |
| 1988 | |
| 1989 | pDot11f->maxMPDULen = uVHTCapabilityInfo.vhtCapInfo.maxMPDULen; |
| 1990 | pDot11f->supportedChannelWidthSet = |
| 1991 | uVHTCapabilityInfo.vhtCapInfo.supportedChannelWidthSet; |
| 1992 | pDot11f->ldpcCodingCap = uVHTCapabilityInfo.vhtCapInfo.ldpcCodingCap; |
| 1993 | pDot11f->shortGI80MHz = uVHTCapabilityInfo.vhtCapInfo.shortGI80MHz; |
| 1994 | pDot11f->shortGI160and80plus80MHz = |
| 1995 | uVHTCapabilityInfo.vhtCapInfo.shortGI160and80plus80MHz; |
| 1996 | pDot11f->txSTBC = uVHTCapabilityInfo.vhtCapInfo.txSTBC; |
| 1997 | pDot11f->rxSTBC = uVHTCapabilityInfo.vhtCapInfo.rxSTBC; |
| 1998 | pDot11f->suBeamFormerCap = 0; |
| 1999 | pDot11f->suBeamformeeCap = 0; |
| 2000 | pDot11f->csnofBeamformerAntSup = |
| 2001 | uVHTCapabilityInfo.vhtCapInfo.csnofBeamformerAntSup; |
| 2002 | pDot11f->numSoundingDim = uVHTCapabilityInfo.vhtCapInfo.numSoundingDim; |
| 2003 | pDot11f->muBeamformerCap = 0; |
| 2004 | pDot11f->muBeamformeeCap = 0; |
| 2005 | pDot11f->vhtTXOPPS = uVHTCapabilityInfo.vhtCapInfo.vhtTXOPPS; |
| 2006 | pDot11f->htcVHTCap = uVHTCapabilityInfo.vhtCapInfo.htcVHTCap; |
| 2007 | pDot11f->maxAMPDULenExp = uVHTCapabilityInfo.vhtCapInfo.maxAMPDULenExp; |
| 2008 | pDot11f->vhtLinkAdaptCap = |
| 2009 | uVHTCapabilityInfo.vhtCapInfo.vhtLinkAdaptCap; |
| 2010 | pDot11f->rxAntPattern = uVHTCapabilityInfo.vhtCapInfo.rxAntPattern; |
| 2011 | pDot11f->txAntPattern = uVHTCapabilityInfo.vhtCapInfo.txAntPattern; |
| 2012 | pDot11f->reserved1 = uVHTCapabilityInfo.vhtCapInfo.reserved1; |
| 2013 | |
| 2014 | pDot11f->rxMCSMap = pTdlsAddStaReq->vhtCap.suppMcs.rxMcsMap; |
| 2015 | |
| 2016 | nCfgValue = pTdlsAddStaReq->vhtCap.suppMcs.rxHighest; |
| 2017 | uVHTSupDataRateInfo.nCfgValue16 = nCfgValue & 0xffff; |
| 2018 | pDot11f->rxHighSupDataRate = |
| 2019 | uVHTSupDataRateInfo.vhtRxsupDataRateInfo.rxSupDataRate; |
| 2020 | |
| 2021 | pDot11f->txMCSMap = pTdlsAddStaReq->vhtCap.suppMcs.txMcsMap; |
| 2022 | |
| 2023 | nCfgValue = pTdlsAddStaReq->vhtCap.suppMcs.txHighest; |
| 2024 | uVHTSupDataRateInfo.nCfgValue16 = nCfgValue & 0xffff; |
| 2025 | pDot11f->txSupDataRate = |
| 2026 | uVHTSupDataRateInfo.vhtTxSupDataRateInfo.txSupDataRate; |
| 2027 | |
| 2028 | pDot11f->reserved3 = uVHTSupDataRateInfo.vhtTxSupDataRateInfo.reserved; |
| 2029 | |
| 2030 | lim_log_vht_cap(pMac, pDot11f); |
| 2031 | |
| 2032 | return eSIR_SUCCESS; |
| 2033 | |
| 2034 | } |
| 2035 | |
| 2036 | /** |
| 2037 | * lim_tdls_populate_matching_rate_set() - populate matching rate set |
| 2038 | * |
| 2039 | * @mac_ctx - global MAC context |
| 2040 | * @stads - station hash entry |
| 2041 | * @supp_rate_set - pointer to supported rate set |
| 2042 | * @supp_rates_len - length of the supported rates |
| 2043 | * @supp_mcs_set - pointer to supported MSC set |
| 2044 | * @session_entry - pointer to PE session entry |
| 2045 | * @vht_caps - pointer to VHT capability |
| 2046 | * |
| 2047 | * |
| 2048 | * This function gets set of available rates from the config and compare them |
| 2049 | * against the set of received supported rates. After the comparison station |
| 2050 | * entry's rates is populated with 11A rates and 11B rates. |
| 2051 | * |
| 2052 | * Return: eSIR_SUCCESS on success, eSIR_FAILURE on failure. |
| 2053 | */ |
| 2054 | static tSirRetStatus |
| 2055 | lim_tdls_populate_matching_rate_set(tpAniSirGlobal mac_ctx, tpDphHashNode stads, |
| 2056 | uint8_t *supp_rate_set, |
| 2057 | uint8_t supp_rates_len, |
| 2058 | uint8_t *supp_mcs_set, |
| 2059 | tpPESession session_entry, |
| 2060 | tDot11fIEVHTCaps *vht_caps) |
| 2061 | { |
| 2062 | tSirMacRateSet temp_rate_set; |
| 2063 | uint32_t i, j, val, min, is_a_rate; |
| 2064 | tSirMacRateSet temp_rate_set2; |
| 2065 | uint32_t phymode; |
| 2066 | uint8_t mcsSet[SIZE_OF_SUPPORTED_MCS_SET]; |
| 2067 | tpSirSupportedRates rates; |
| 2068 | uint8_t a_rateindex = 0; |
| 2069 | uint8_t b_rateindex = 0; |
| 2070 | is_a_rate = 0; |
| 2071 | temp_rate_set2.numRates = 0; |
| 2072 | |
| 2073 | lim_get_phy_mode(mac_ctx, &phymode, NULL); |
| 2074 | |
| 2075 | /* get own rate set */ |
| 2076 | val = WNI_CFG_OPERATIONAL_RATE_SET_LEN; |
| 2077 | if (wlan_cfg_get_str(mac_ctx, WNI_CFG_OPERATIONAL_RATE_SET, |
| 2078 | (uint8_t *) &temp_rate_set.rate, |
| 2079 | &val) != eSIR_SUCCESS) { |
| 2080 | /* Could not get rateset from CFG. Log error. */ |
| 2081 | lim_log(mac_ctx, LOGE, FL("could not retrieve rateset")); |
| 2082 | val = 0; |
| 2083 | } |
| 2084 | temp_rate_set.numRates = val; |
| 2085 | |
| 2086 | if (phymode == WNI_CFG_PHY_MODE_11G) { |
| 2087 | /* get own extended rate set */ |
| 2088 | val = WNI_CFG_EXTENDED_OPERATIONAL_RATE_SET_LEN; |
| 2089 | if (wlan_cfg_get_str(mac_ctx, |
| 2090 | WNI_CFG_EXTENDED_OPERATIONAL_RATE_SET, |
| 2091 | (uint8_t *) &temp_rate_set2.rate, |
| 2092 | &val) != eSIR_SUCCESS) |
| 2093 | temp_rate_set2.numRates = val; |
| 2094 | } |
| 2095 | |
| 2096 | if ((temp_rate_set.numRates + temp_rate_set2.numRates) > 12) { |
| 2097 | lim_log(mac_ctx, LOGE, FL("more than 12 rates in CFG")); |
| 2098 | goto error; |
| 2099 | } |
| 2100 | |
| 2101 | /** |
| 2102 | * Handling of the rate set IEs is the following: |
| 2103 | * - keep only rates that we support and that the station supports |
| 2104 | * - sort and the rates into the pSta->rate array |
| 2105 | */ |
| 2106 | |
| 2107 | /* Copy all rates in temp_rate_set, there are 12 rates max */ |
| 2108 | for (i = 0; i < temp_rate_set2.numRates; i++) |
| 2109 | temp_rate_set.rate[i + temp_rate_set.numRates] = |
| 2110 | temp_rate_set2.rate[i]; |
| 2111 | |
| 2112 | temp_rate_set.numRates += temp_rate_set2.numRates; |
| 2113 | |
| 2114 | /** |
| 2115 | * Sort rates in temp_rate_set (they are likely to be already sorted) |
| 2116 | * put the result in temp_rate_set2 |
| 2117 | */ |
| 2118 | temp_rate_set2.numRates = 0; |
| 2119 | |
| 2120 | for (i = 0; i < temp_rate_set.numRates; i++) { |
| 2121 | min = 0; |
| 2122 | val = 0xff; |
| 2123 | |
| 2124 | for (j = 0; j < temp_rate_set.numRates; j++) |
| 2125 | if ((uint32_t) (temp_rate_set.rate[j] & 0x7f) < val) { |
| 2126 | val = temp_rate_set.rate[j] & 0x7f; |
| 2127 | min = j; |
| 2128 | } |
| 2129 | |
| 2130 | temp_rate_set2.rate[temp_rate_set2.numRates++] = |
| 2131 | temp_rate_set.rate[min]; |
| 2132 | temp_rate_set.rate[min] = 0xff; |
| 2133 | } |
| 2134 | |
| 2135 | /** |
| 2136 | * Copy received rates in temp_rate_set, the parser has ensured |
| 2137 | * unicity of the rates so there cannot be more than 12 . |
| 2138 | */ |
| 2139 | if (supp_rates_len > SIR_MAC_RATESET_EID_MAX) { |
| 2140 | lim_log(mac_ctx, LOGW, |
| 2141 | FL( |
| 2142 | "Supported rates length %d more than the Max limit, reset to Max" |
| 2143 | ), |
| 2144 | supp_rates_len); |
| 2145 | supp_rates_len = SIR_MAC_RATESET_EID_MAX; |
| 2146 | } |
| 2147 | |
| 2148 | for (i = 0; i < supp_rates_len; i++) |
| 2149 | temp_rate_set.rate[i] = supp_rate_set[i]; |
| 2150 | |
| 2151 | temp_rate_set.numRates = supp_rates_len; |
| 2152 | |
| 2153 | rates = &stads->supportedRates; |
| 2154 | cdf_mem_set((uint8_t *) rates, sizeof(tSirSupportedRates), 0); |
| 2155 | |
| 2156 | for (i = 0; i < temp_rate_set2.numRates; i++) { |
| 2157 | for (j = 0; j < temp_rate_set.numRates; j++) { |
| 2158 | if ((temp_rate_set2.rate[i] & 0x7F) != |
| 2159 | (temp_rate_set.rate[j] & 0x7F)) |
| 2160 | continue; |
| 2161 | |
| 2162 | #ifdef FEATURE_WLAN_NON_INTEGRATED_SOC |
| 2163 | if ((b_rateindex > HAL_NUM_11B_RATES) || |
| 2164 | (a_rateindex > HAL_NUM_11A_RATES)) { |
| 2165 | lim_log(mac_ctx, LOGE, |
| 2166 | FL("Invalid number of rates (11b->%d, 11a->%d)"), |
| 2167 | b_rateindex, a_rateindex); |
| 2168 | return eSIR_FAILURE; |
| 2169 | } |
| 2170 | #endif |
| 2171 | if (sirIsArate(temp_rate_set2.rate[i] & 0x7f)) { |
| 2172 | is_a_rate = 1; |
| 2173 | if (a_rateindex < SIR_NUM_11A_RATES) |
| 2174 | rates->llaRates[a_rateindex++] = temp_rate_set2.rate[i]; |
| 2175 | } else { |
| 2176 | if (b_rateindex < SIR_NUM_11B_RATES) |
| 2177 | rates->llbRates[b_rateindex++] = temp_rate_set2.rate[i]; |
| 2178 | } |
| 2179 | break; |
| 2180 | } |
| 2181 | } |
| 2182 | |
| 2183 | /* compute the matching MCS rate set, if peer is 11n capable and self mode is 11n */ |
| 2184 | #ifdef FEATURE_WLAN_TDLS |
| 2185 | if (stads->mlmStaContext.htCapability) |
| 2186 | #else |
| 2187 | if (IS_DOT11_MODE_HT(session_entry->dot11mode) && |
| 2188 | (stads->mlmStaContext.htCapability)) |
| 2189 | #endif |
| 2190 | { |
| 2191 | val = SIZE_OF_SUPPORTED_MCS_SET; |
| 2192 | if (wlan_cfg_get_str(mac_ctx, WNI_CFG_SUPPORTED_MCS_SET, |
| 2193 | mcsSet, &val) != eSIR_SUCCESS) { |
| 2194 | /* Could not get rateset from CFG. Log error. */ |
| 2195 | lim_log(mac_ctx, LOGP, |
| 2196 | FL("could not retrieve supportedMCSSet")); |
| 2197 | goto error; |
| 2198 | } |
| 2199 | |
| 2200 | for (i = 0; i < val; i++) |
| 2201 | stads->supportedRates.supportedMCSSet[i] = |
| 2202 | mcsSet[i] & supp_mcs_set[i]; |
| 2203 | |
| 2204 | lim_log(mac_ctx, LOG1, |
| 2205 | FL("MCS Rate Set Bitmap from CFG and DPH")); |
| 2206 | for (i = 0; i < SIR_MAC_MAX_SUPPORTED_MCS_SET; i++) { |
| 2207 | lim_log(mac_ctx, LOG1, FL("%x %x"), mcsSet[i], |
| 2208 | stads->supportedRates.supportedMCSSet[i]); |
| 2209 | } |
| 2210 | } |
| 2211 | #ifdef WLAN_FEATURE_11AC |
| 2212 | lim_populate_vht_mcs_set(mac_ctx, &stads->supportedRates, vht_caps, |
| 2213 | session_entry); |
| 2214 | #endif |
| 2215 | /** |
| 2216 | * Set the erpEnabled bit if the phy is in G mode and at least |
| 2217 | * one A rate is supported |
| 2218 | */ |
| 2219 | if ((phymode == WNI_CFG_PHY_MODE_11G) && is_a_rate) |
| 2220 | stads->erpEnabled = eHAL_SET; |
| 2221 | |
| 2222 | return eSIR_SUCCESS; |
| 2223 | |
| 2224 | error: |
| 2225 | return eSIR_FAILURE; |
| 2226 | } |
| 2227 | |
| 2228 | /* |
| 2229 | * update HASH node entry info |
| 2230 | */ |
| 2231 | static void lim_tdls_update_hash_node_info(tpAniSirGlobal pMac, |
| 2232 | tDphHashNode *pStaDs, |
| 2233 | tSirTdlsAddStaReq *pTdlsAddStaReq, |
| 2234 | tpPESession psessionEntry) |
| 2235 | { |
| 2236 | tDot11fIEHTCaps htCap = {0,}; |
| 2237 | tDot11fIEHTCaps *htCaps; |
| 2238 | tDot11fIEVHTCaps *pVhtCaps = NULL; |
| 2239 | tDot11fIEVHTCaps *pVhtCaps_txbf = NULL; |
| 2240 | #ifdef WLAN_FEATURE_11AC |
| 2241 | tDot11fIEVHTCaps vhtCap; |
| 2242 | uint8_t cbMode; |
| 2243 | #endif |
| 2244 | tpDphHashNode pSessStaDs = NULL; |
| 2245 | uint16_t aid; |
| 2246 | |
| 2247 | if (pTdlsAddStaReq->tdlsAddOper == TDLS_OPER_ADD) { |
| 2248 | populate_dot11f_ht_caps(pMac, psessionEntry, &htCap); |
| 2249 | } else if (pTdlsAddStaReq->tdlsAddOper == TDLS_OPER_UPDATE) { |
| 2250 | lim_tdls_populate_dot11f_ht_caps(pMac, NULL, pTdlsAddStaReq, &htCap); |
| 2251 | } |
| 2252 | htCaps = &htCap; |
| 2253 | if (htCaps->present) { |
| 2254 | pStaDs->mlmStaContext.htCapability = 1; |
| 2255 | pStaDs->htGreenfield = htCaps->greenField; |
| 2256 | pStaDs->htSupportedChannelWidthSet = |
| 2257 | htCaps->supportedChannelWidthSet; |
| 2258 | pStaDs->htMIMOPSState = htCaps->mimoPowerSave; |
| 2259 | pStaDs->htMaxAmsduLength = htCaps->maximalAMSDUsize; |
| 2260 | pStaDs->htAMpduDensity = htCaps->mpduDensity; |
| 2261 | pStaDs->htDsssCckRate40MHzSupport = htCaps->dsssCckMode40MHz; |
| 2262 | pStaDs->htShortGI20Mhz = htCaps->shortGI20MHz; |
| 2263 | pStaDs->htShortGI40Mhz = htCaps->shortGI40MHz; |
| 2264 | pStaDs->htMaxRxAMpduFactor = htCaps->maxRxAMPDUFactor; |
| 2265 | lim_fill_rx_highest_supported_rate(pMac, |
| 2266 | &pStaDs->supportedRates. |
| 2267 | rxHighestDataRate, |
| 2268 | htCaps->supportedMCSSet); |
| 2269 | pStaDs->baPolicyFlag = 0xFF; |
| 2270 | pMac->lim.gLimTdlsLinkMode = TDLS_LINK_MODE_N; |
| 2271 | pStaDs->ht_caps = pTdlsAddStaReq->htCap.capInfo; |
| 2272 | } else { |
| 2273 | pStaDs->mlmStaContext.htCapability = 0; |
| 2274 | pMac->lim.gLimTdlsLinkMode = TDLS_LINK_MODE_BG; |
| 2275 | } |
| 2276 | #ifdef WLAN_FEATURE_11AC |
| 2277 | lim_tdls_populate_dot11f_vht_caps(pMac, pTdlsAddStaReq, &vhtCap); |
| 2278 | pVhtCaps = &vhtCap; |
| 2279 | if (pVhtCaps->present) { |
| 2280 | pStaDs->mlmStaContext.vhtCapability = 1; |
| 2281 | |
| 2282 | if (psessionEntry->currentOperChannel <= SIR_11B_CHANNEL_END) { |
| 2283 | /* |
| 2284 | * if the channel is 2G then update the min channel |
| 2285 | * widthset in pStaDs. These values are used when |
| 2286 | * sending a AddSta request to firmware |
| 2287 | * 11.21.1 General: The channel width of the TDLS direct |
| 2288 | * link on the base channel shall not exceed the channel |
| 2289 | * width of the BSS to which the TDLS peer STAs are |
| 2290 | * associated. |
| 2291 | */ |
| 2292 | pStaDs->vhtSupportedChannelWidthSet = |
| 2293 | WNI_CFG_VHT_CHANNEL_WIDTH_20_40MHZ; |
| 2294 | pStaDs->htSupportedChannelWidthSet = |
| 2295 | eHT_CHANNEL_WIDTH_20MHZ; |
| 2296 | lim_log(pMac, LOG1, FL("vhtSupportedChannelWidthSet = %hu, htSupportedChannelWidthSet %hu"), |
| 2297 | pStaDs->htSupportedChannelWidthSet, |
| 2298 | pStaDs->htSupportedChannelWidthSet); |
| 2299 | } else { |
| 2300 | pStaDs->vhtSupportedChannelWidthSet = |
| 2301 | WNI_CFG_VHT_CHANNEL_WIDTH_80MHZ; |
| 2302 | pStaDs->htSupportedChannelWidthSet = |
| 2303 | eHT_CHANNEL_WIDTH_40MHZ; |
| 2304 | } |
| 2305 | |
| 2306 | pStaDs->vhtLdpcCapable = pVhtCaps->ldpcCodingCap; |
| 2307 | pStaDs->vhtBeamFormerCapable = 0; |
| 2308 | pMac->lim.gLimTdlsLinkMode = TDLS_LINK_MODE_AC; |
| 2309 | pVhtCaps_txbf = (tDot11fIEVHTCaps *) (&pTdlsAddStaReq->vhtCap); |
| 2310 | pVhtCaps_txbf->suBeamformeeCap = 0; |
| 2311 | pVhtCaps_txbf->suBeamFormerCap = 0; |
| 2312 | pVhtCaps_txbf->muBeamformerCap = 0; |
| 2313 | pVhtCaps_txbf->muBeamformeeCap = 0; |
| 2314 | pStaDs->vht_caps = pTdlsAddStaReq->vhtCap.vhtCapInfo; |
| 2315 | } else { |
| 2316 | pStaDs->mlmStaContext.vhtCapability = 0; |
| 2317 | pStaDs->vhtSupportedChannelWidthSet = |
| 2318 | WNI_CFG_VHT_CHANNEL_WIDTH_20_40MHZ; |
| 2319 | } |
| 2320 | #endif |
| 2321 | /*Calculate the Secondary Coannel Offset */ |
| 2322 | cbMode = lim_select_cb_mode(pStaDs, psessionEntry, |
| 2323 | psessionEntry->currentOperChannel, |
| 2324 | pStaDs->vhtSupportedChannelWidthSet); |
| 2325 | |
| 2326 | pStaDs->htSecondaryChannelOffset = cbMode; |
| 2327 | |
| 2328 | #ifdef WLAN_FEATURE_11AC |
| 2329 | if (pStaDs->mlmStaContext.vhtCapability) { |
| 2330 | pStaDs->htSecondaryChannelOffset = lim_get_htcb_state(cbMode); |
| 2331 | } |
| 2332 | #endif |
| 2333 | |
| 2334 | pSessStaDs = dph_lookup_hash_entry(pMac, psessionEntry->bssId, &aid, |
| 2335 | &psessionEntry->dph.dphHashTable); |
| 2336 | |
| 2337 | /* Lets enable QOS parameter */ |
| 2338 | pStaDs->qosMode = 1; |
| 2339 | pStaDs->wmeEnabled = 1; |
| 2340 | pStaDs->lleEnabled = 0; |
| 2341 | /* TDLS Dummy AddSTA does not have qosInfo , is it OK ?? |
| 2342 | */ |
| 2343 | pStaDs->qos.capability.qosInfo = |
| 2344 | (*(tSirMacQosInfoStation *) &pTdlsAddStaReq->uapsd_queues); |
| 2345 | |
| 2346 | /* populate matching rate set */ |
| 2347 | |
| 2348 | /* TDLS Dummy AddSTA does not have HTCap,VHTCap,Rates info , is it OK ?? |
| 2349 | */ |
| 2350 | lim_tdls_populate_matching_rate_set(pMac, pStaDs, |
| 2351 | pTdlsAddStaReq->supported_rates, |
| 2352 | pTdlsAddStaReq->supported_rates_length, |
| 2353 | (uint8_t *) pTdlsAddStaReq->htCap. |
| 2354 | suppMcsSet, psessionEntry, pVhtCaps); |
| 2355 | |
| 2356 | /* TDLS Dummy AddSTA does not have right capability , is it OK ?? |
| 2357 | */ |
| 2358 | pStaDs->mlmStaContext.capabilityInfo = |
| 2359 | (*(tSirMacCapabilityInfo *) &pTdlsAddStaReq->capability); |
| 2360 | |
| 2361 | return; |
| 2362 | } |
| 2363 | |
| 2364 | /* |
| 2365 | * Add STA for TDLS setup procedure |
| 2366 | */ |
| 2367 | static tSirRetStatus lim_tdls_setup_add_sta(tpAniSirGlobal pMac, |
| 2368 | tSirTdlsAddStaReq *pAddStaReq, |
| 2369 | tpPESession psessionEntry) |
| 2370 | { |
| 2371 | tpDphHashNode pStaDs = NULL; |
| 2372 | tSirRetStatus status = eSIR_SUCCESS; |
| 2373 | uint16_t aid = 0; |
| 2374 | |
| 2375 | pStaDs = dph_lookup_hash_entry(pMac, pAddStaReq->peerMac, &aid, |
| 2376 | &psessionEntry->dph.dphHashTable); |
| 2377 | if (NULL == pStaDs) { |
| 2378 | aid = lim_assign_peer_idx(pMac, psessionEntry); |
| 2379 | |
| 2380 | if (!aid) { |
| 2381 | lim_log(pMac, LOGE, |
| 2382 | FL("No more free AID for peer " |
| 2383 | MAC_ADDRESS_STR), |
| 2384 | MAC_ADDR_ARRAY(pAddStaReq->peerMac)); |
| 2385 | return eSIR_FAILURE; |
| 2386 | } |
| 2387 | |
| 2388 | /* Set the aid in peerAIDBitmap as it has been assigned to TDLS peer */ |
| 2389 | SET_PEER_AID_BITMAP(psessionEntry->peerAIDBitmap, aid); |
| 2390 | |
| 2391 | lim_log(pMac, LOG1, FL("Aid = %d, for peer =" MAC_ADDRESS_STR), |
| 2392 | aid, MAC_ADDR_ARRAY(pAddStaReq->peerMac)); |
| 2393 | pStaDs = |
| 2394 | dph_get_hash_entry(pMac, aid, |
| 2395 | &psessionEntry->dph.dphHashTable); |
| 2396 | |
| 2397 | if (pStaDs) { |
| 2398 | (void)lim_del_sta(pMac, pStaDs, false /*asynchronous */, |
| 2399 | psessionEntry); |
| 2400 | lim_delete_dph_hash_entry(pMac, pStaDs->staAddr, aid, |
| 2401 | psessionEntry); |
| 2402 | } |
| 2403 | |
| 2404 | pStaDs = dph_add_hash_entry(pMac, pAddStaReq->peerMac, aid, |
| 2405 | &psessionEntry->dph.dphHashTable); |
| 2406 | |
| 2407 | if (NULL == pStaDs) { |
| 2408 | lim_log(pMac, LOGE, FL("add hash entry failed")); |
| 2409 | CDF_ASSERT(0); |
| 2410 | return eSIR_FAILURE; |
| 2411 | } |
| 2412 | } |
| 2413 | |
| 2414 | lim_tdls_update_hash_node_info(pMac, pStaDs, pAddStaReq, psessionEntry); |
| 2415 | |
| 2416 | pStaDs->staType = STA_ENTRY_TDLS_PEER; |
| 2417 | |
| 2418 | status = |
| 2419 | lim_add_sta(pMac, pStaDs, |
| 2420 | (pAddStaReq->tdlsAddOper == |
| 2421 | TDLS_OPER_UPDATE) ? true : false, psessionEntry); |
| 2422 | |
| 2423 | if (eSIR_SUCCESS != status) { |
| 2424 | /* should not fail */ |
| 2425 | CDF_ASSERT(0); |
| 2426 | } |
| 2427 | return status; |
| 2428 | } |
| 2429 | |
| 2430 | /* |
| 2431 | * Del STA, after Link is teardown or discovery response sent on direct link |
| 2432 | */ |
| 2433 | static tpDphHashNode lim_tdls_del_sta(tpAniSirGlobal pMac, tSirMacAddr peerMac, |
| 2434 | tpPESession psessionEntry) |
| 2435 | { |
| 2436 | tSirRetStatus status = eSIR_SUCCESS; |
| 2437 | uint16_t peerIdx = 0; |
| 2438 | tpDphHashNode pStaDs = NULL; |
| 2439 | |
| 2440 | pStaDs = dph_lookup_hash_entry(pMac, peerMac, &peerIdx, |
| 2441 | &psessionEntry->dph.dphHashTable); |
| 2442 | |
| 2443 | if (pStaDs) { |
| 2444 | |
| 2445 | lim_log(pMac, LOG1, FL("DEL STA peer MAC: "MAC_ADDRESS_STR), |
| 2446 | MAC_ADDR_ARRAY(pStaDs->staAddr)); |
| 2447 | |
| 2448 | lim_log(pMac, LOG1, FL("STA type = %x, sta idx = %x"), |
| 2449 | pStaDs->staType, |
| 2450 | pStaDs->staIndex); |
| 2451 | |
| 2452 | status = lim_del_sta(pMac, pStaDs, false, psessionEntry); |
| 2453 | } |
| 2454 | |
| 2455 | return pStaDs; |
| 2456 | } |
| 2457 | |
| 2458 | /* |
| 2459 | * Once Link is setup with PEER, send Add STA ind to SME |
| 2460 | */ |
| 2461 | static CDF_STATUS lim_send_sme_tdls_add_sta_rsp(tpAniSirGlobal pMac, |
| 2462 | uint8_t sessionId, |
| 2463 | tSirMacAddr peerMac, |
| 2464 | uint8_t updateSta, |
| 2465 | tDphHashNode *pStaDs, uint8_t status) |
| 2466 | { |
| 2467 | tSirMsgQ mmhMsg = { 0 }; |
| 2468 | tSirTdlsAddStaRsp *addStaRsp = NULL; |
| 2469 | mmhMsg.type = eWNI_SME_TDLS_ADD_STA_RSP; |
| 2470 | |
| 2471 | addStaRsp = cdf_mem_malloc(sizeof(tSirTdlsAddStaRsp)); |
| 2472 | if (NULL == addStaRsp) { |
| 2473 | lim_log(pMac, LOGE, FL("Failed to allocate memory")); |
| 2474 | return CDF_STATUS_E_NOMEM; |
| 2475 | } |
| 2476 | |
| 2477 | addStaRsp->sessionId = sessionId; |
| 2478 | addStaRsp->statusCode = status; |
| 2479 | if (pStaDs) { |
| 2480 | addStaRsp->staId = pStaDs->staIndex; |
| 2481 | addStaRsp->ucastSig = pStaDs->ucUcastSig; |
| 2482 | addStaRsp->bcastSig = pStaDs->ucBcastSig; |
| 2483 | } |
| 2484 | if (peerMac) { |
| 2485 | cdf_mem_copy(addStaRsp->peerMac, |
| 2486 | (uint8_t *) peerMac, sizeof(tSirMacAddr)); |
| 2487 | } |
| 2488 | if (updateSta) |
| 2489 | addStaRsp->tdlsAddOper = TDLS_OPER_UPDATE; |
| 2490 | else |
| 2491 | addStaRsp->tdlsAddOper = TDLS_OPER_ADD; |
| 2492 | |
| 2493 | addStaRsp->length = sizeof(tSirTdlsAddStaRsp); |
| 2494 | addStaRsp->messageType = eWNI_SME_TDLS_ADD_STA_RSP; |
| 2495 | |
| 2496 | mmhMsg.bodyptr = addStaRsp; |
| 2497 | mmhMsg.bodyval = 0; |
| 2498 | lim_sys_process_mmh_msg_api(pMac, &mmhMsg, ePROT); |
| 2499 | |
| 2500 | return CDF_STATUS_SUCCESS; |
| 2501 | |
| 2502 | } |
| 2503 | |
| 2504 | /* |
| 2505 | * STA RSP received from HAL |
| 2506 | */ |
| 2507 | CDF_STATUS lim_process_tdls_add_sta_rsp(tpAniSirGlobal pMac, void *msg, |
| 2508 | tpPESession psessionEntry) |
| 2509 | { |
| 2510 | tAddStaParams *pAddStaParams = (tAddStaParams *) msg; |
| 2511 | uint8_t status = eSIR_SUCCESS; |
| 2512 | tDphHashNode *pStaDs = NULL; |
| 2513 | uint16_t aid = 0; |
| 2514 | |
| 2515 | SET_LIM_PROCESS_DEFD_MESGS(pMac, true); |
| 2516 | lim_log(pMac, LOG1, FL("staIdx=%d, staMac="MAC_ADDRESS_STR), |
| 2517 | pAddStaParams->staIdx, |
| 2518 | MAC_ADDR_ARRAY(pAddStaParams->staMac)); |
| 2519 | |
| 2520 | if (pAddStaParams->status != CDF_STATUS_SUCCESS) { |
| 2521 | CDF_ASSERT(0); |
| 2522 | lim_log(pMac, LOGE, FL("Add sta failed ")); |
| 2523 | status = eSIR_FAILURE; |
| 2524 | goto add_sta_error; |
| 2525 | } |
| 2526 | |
| 2527 | pStaDs = dph_lookup_hash_entry(pMac, pAddStaParams->staMac, &aid, |
| 2528 | &psessionEntry->dph.dphHashTable); |
| 2529 | if (NULL == pStaDs) { |
| 2530 | lim_log(pMac, LOGE, FL("pStaDs is NULL ")); |
| 2531 | status = eSIR_FAILURE; |
| 2532 | goto add_sta_error; |
| 2533 | } |
| 2534 | |
| 2535 | pStaDs->bssId = pAddStaParams->bssIdx; |
| 2536 | pStaDs->staIndex = pAddStaParams->staIdx; |
| 2537 | pStaDs->ucUcastSig = pAddStaParams->ucUcastSig; |
| 2538 | pStaDs->ucBcastSig = pAddStaParams->ucBcastSig; |
| 2539 | pStaDs->mlmStaContext.mlmState = eLIM_MLM_LINK_ESTABLISHED_STATE; |
| 2540 | pStaDs->valid = 1; |
| 2541 | add_sta_error: |
| 2542 | status = lim_send_sme_tdls_add_sta_rsp(pMac, psessionEntry->smeSessionId, |
| 2543 | pAddStaParams->staMac, |
| 2544 | pAddStaParams->updateSta, pStaDs, |
| 2545 | status); |
| 2546 | cdf_mem_free(pAddStaParams); |
| 2547 | return status; |
| 2548 | } |
| 2549 | |
| 2550 | void populate_dot11f_tdls_offchannel_params(tpAniSirGlobal pMac, |
| 2551 | tpPESession psessionEntry, |
| 2552 | tDot11fIESuppChannels *suppChannels, |
| 2553 | tDot11fIESuppOperatingClasses * |
| 2554 | suppOperClasses) |
| 2555 | { |
| 2556 | uint32_t numChans = WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| 2557 | uint8_t validChan[WNI_CFG_VALID_CHANNEL_LIST_LEN]; |
| 2558 | uint8_t i; |
| 2559 | uint8_t valid_count = 0; |
| 2560 | uint8_t chanOffset; |
| 2561 | uint8_t op_class; |
| 2562 | uint8_t numClasses; |
| 2563 | uint8_t classes[SIR_MAC_MAX_SUPP_OPER_CLASSES]; |
| 2564 | if (wlan_cfg_get_str(pMac, WNI_CFG_VALID_CHANNEL_LIST, |
| 2565 | validChan, &numChans) != eSIR_SUCCESS) { |
| 2566 | /** |
| 2567 | * Could not get Valid channel list from CFG. |
| 2568 | * Log error. |
| 2569 | */ |
| 2570 | lim_log(pMac, LOGE, |
| 2571 | FL("could not retrieve Valid channel list")); |
| 2572 | return; |
| 2573 | } |
| 2574 | |
| 2575 | /* validating the channel list for DFS channels */ |
| 2576 | for (i = 0U; i < numChans; i++) { |
| 2577 | if (CHANNEL_STATE_DFS == |
| 2578 | cds_get_channel_state(validChan[i])) { |
| 2579 | lim_log(pMac, LOG1, |
| 2580 | FL( |
| 2581 | "skipping DFS channel %d from the valid channel list" |
| 2582 | ), |
| 2583 | validChan[i]); |
| 2584 | continue; |
| 2585 | } |
| 2586 | |
| 2587 | if (valid_count >= ARRAY_SIZE(suppChannels->bands)) |
| 2588 | break; |
| 2589 | suppChannels->bands[valid_count][0] = validChan[i]; |
| 2590 | suppChannels->bands[valid_count][1] = 1; |
| 2591 | valid_count++; |
| 2592 | } |
| 2593 | |
| 2594 | suppChannels->num_bands = valid_count; |
| 2595 | suppChannels->present = 1; |
| 2596 | |
| 2597 | /* find channel offset and get op class for current operating channel */ |
| 2598 | switch (psessionEntry->htSecondaryChannelOffset) { |
| 2599 | case PHY_SINGLE_CHANNEL_CENTERED: |
| 2600 | chanOffset = BW20; |
| 2601 | break; |
| 2602 | |
| 2603 | case PHY_DOUBLE_CHANNEL_LOW_PRIMARY: |
| 2604 | chanOffset = BW40_LOW_PRIMARY; |
| 2605 | break; |
| 2606 | |
| 2607 | case PHY_DOUBLE_CHANNEL_HIGH_PRIMARY: |
| 2608 | chanOffset = BW40_HIGH_PRIMARY; |
| 2609 | break; |
| 2610 | |
| 2611 | default: |
| 2612 | chanOffset = BWALL; |
| 2613 | break; |
| 2614 | |
| 2615 | } |
| 2616 | |
| 2617 | op_class = cds_regdm_get_opclass_from_channel( |
| 2618 | pMac->scan.countryCodeCurrent, |
| 2619 | psessionEntry->currentOperChannel, |
| 2620 | chanOffset); |
| 2621 | |
| 2622 | if (op_class == 0) { |
| 2623 | lim_log(pMac, LOGE, |
| 2624 | FL( |
| 2625 | "Present Operating class is wrong, countryCodeCurrent: %s, currentOperChannel: %d, htSecondaryChannelOffset: %d, chanOffset: %d" |
| 2626 | ), |
| 2627 | pMac->scan.countryCodeCurrent, |
| 2628 | psessionEntry->currentOperChannel, |
| 2629 | psessionEntry->htSecondaryChannelOffset, |
| 2630 | chanOffset); |
| 2631 | } else { |
| 2632 | lim_log(pMac, LOG1, |
| 2633 | FL( |
| 2634 | "Present Operating channel: %d chanOffset: %d, op class=%d" |
| 2635 | ), |
| 2636 | psessionEntry->currentOperChannel, chanOffset, |
| 2637 | op_class); |
| 2638 | } |
| 2639 | suppOperClasses->present = 1; |
| 2640 | suppOperClasses->classes[0] = op_class; |
| 2641 | |
| 2642 | cds_regdm_get_curr_opclasses(&numClasses, &classes[0]); |
| 2643 | |
| 2644 | for (i = 0; i < numClasses; i++) { |
| 2645 | suppOperClasses->classes[i + 1] = classes[i]; |
| 2646 | } |
| 2647 | /* add one for present operating class, added in the beginning */ |
| 2648 | suppOperClasses->num_classes = numClasses + 1; |
| 2649 | |
| 2650 | return; |
| 2651 | } |
| 2652 | |
| 2653 | /* |
| 2654 | * FUNCTION: Populate Link Identifier element IE |
| 2655 | * |
| 2656 | */ |
| 2657 | |
| 2658 | void populate_dot11f_link_iden(tpAniSirGlobal pMac, tpPESession psessionEntry, |
| 2659 | tDot11fIELinkIdentifier *linkIden, |
| 2660 | tSirMacAddr peerMac, uint8_t reqType) |
| 2661 | { |
| 2662 | uint8_t *initStaAddr = NULL; |
| 2663 | uint8_t *respStaAddr = NULL; |
| 2664 | |
| 2665 | (reqType == TDLS_INITIATOR) ? ((initStaAddr = linkIden->InitStaAddr), |
| 2666 | (respStaAddr = linkIden->RespStaAddr)) |
| 2667 | : ((respStaAddr = linkIden->InitStaAddr), |
| 2668 | (initStaAddr = linkIden->RespStaAddr)); |
| 2669 | cdf_mem_copy((uint8_t *) linkIden->bssid, |
| 2670 | (uint8_t *) psessionEntry->bssId, sizeof(tSirMacAddr)); |
| 2671 | |
| 2672 | cdf_mem_copy((uint8_t *) initStaAddr, |
| 2673 | psessionEntry->selfMacAddr, sizeof(tSirMacAddr)); |
| 2674 | |
| 2675 | cdf_mem_copy((uint8_t *) respStaAddr, (uint8_t *) peerMac, |
| 2676 | sizeof(tSirMacAddr)); |
| 2677 | |
| 2678 | linkIden->present = 1; |
| 2679 | return; |
| 2680 | |
| 2681 | } |
| 2682 | |
| 2683 | void populate_dot11f_tdls_ext_capability(tpAniSirGlobal pMac, |
| 2684 | tpPESession psessionEntry, |
| 2685 | tDot11fIEExtCap *extCapability) |
| 2686 | { |
| 2687 | struct s_ext_cap *p_ext_cap = (struct s_ext_cap *)extCapability->bytes; |
| 2688 | |
| 2689 | p_ext_cap->tdls_peer_psm_supp = PEER_PSM_SUPPORT; |
| 2690 | p_ext_cap->tdls_peer_uapsd_buffer_sta = pMac->lim.gLimTDLSBufStaEnabled; |
| 2691 | |
| 2692 | /* |
| 2693 | * Set TDLS channel switching bits only if offchannel is enabled |
| 2694 | * and TDLS Channel Switching is not prohibited by AP in ExtCap |
| 2695 | * IE in assoc/re-assoc response. |
| 2696 | */ |
| 2697 | if ((1 == pMac->lim.gLimTDLSOffChannelEnabled) && |
| 2698 | (!psessionEntry->tdls_chan_swit_prohibited)) { |
| 2699 | p_ext_cap->tdls_channel_switching = 1; |
| 2700 | p_ext_cap->tdls_chan_swit_prohibited = 0; |
| 2701 | } else { |
| 2702 | p_ext_cap->tdls_channel_switching = 0; |
| 2703 | p_ext_cap->tdls_chan_swit_prohibited = TDLS_CH_SWITCH_PROHIBITED; |
| 2704 | } |
| 2705 | p_ext_cap->tdls_support = TDLS_SUPPORT; |
| 2706 | p_ext_cap->tdls_prohibited = TDLS_PROHIBITED; |
| 2707 | |
| 2708 | extCapability->present = 1; |
| 2709 | /* For STA cases we alwasy support 11mc - Allow MAX length */ |
| 2710 | extCapability->num_bytes = DOT11F_IE_EXTCAP_MAX_LEN; |
| 2711 | |
| 2712 | return; |
| 2713 | } |
| 2714 | |
| 2715 | /** |
| 2716 | * lim_process_sme_tdls_mgmt_send_req() - send out tdls management frames |
| 2717 | * |
| 2718 | * @mac_ctx - global mac context |
| 2719 | * @msg - message buffer received from SME. |
| 2720 | * |
| 2721 | * Process Send Mgmt Request from SME and transmit to AP. |
| 2722 | * |
| 2723 | * Return: eSIR_SUCCESS on success, error code otherwise |
| 2724 | */ |
| 2725 | tSirRetStatus lim_process_sme_tdls_mgmt_send_req(tpAniSirGlobal mac_ctx, |
| 2726 | uint32_t *msg) |
| 2727 | { |
| 2728 | /* get all discovery request parameters */ |
| 2729 | tSirTdlsSendMgmtReq *send_req = (tSirTdlsSendMgmtReq *) msg; |
| 2730 | tpPESession session_entry; |
| 2731 | uint8_t session_id; |
| 2732 | tSirResultCodes result_code = eSIR_SME_INVALID_PARAMETERS; |
| 2733 | |
| 2734 | lim_log(mac_ctx, LOG1, FL("Send Mgmt Recieved")); |
| 2735 | session_entry = pe_find_session_by_bssid(mac_ctx, |
| 2736 | send_req->bssid, &session_id); |
| 2737 | if (NULL == session_entry) { |
| 2738 | lim_log(mac_ctx, LOGE, |
| 2739 | FL("PE Session does not exist for given sme session_id %d"), |
| 2740 | send_req->sessionId); |
| 2741 | goto lim_tdls_send_mgmt_error; |
| 2742 | } |
| 2743 | |
| 2744 | /* check if we are in proper state to work as TDLS client */ |
| 2745 | if (!LIM_IS_STA_ROLE(session_entry)) { |
| 2746 | CDF_TRACE(CDF_MODULE_ID_PE, CDF_TRACE_LEVEL_ERROR, |
| 2747 | FL("send mgmt received in wrong system Role %d"), |
| 2748 | GET_LIM_SYSTEM_ROLE(session_entry)); |
| 2749 | goto lim_tdls_send_mgmt_error; |
| 2750 | } |
| 2751 | |
| 2752 | /* |
| 2753 | * if we are still good, go ahead and check if we are in proper state to |
| 2754 | * do TDLS discovery req/rsp/....frames. |
| 2755 | */ |
| 2756 | if ((session_entry->limSmeState != eLIM_SME_ASSOCIATED_STATE) && |
| 2757 | (session_entry->limSmeState != eLIM_SME_LINK_EST_STATE)) { |
| 2758 | lim_log(mac_ctx, LOGE, |
| 2759 | FL("send mgmt received in invalid LIMsme state (%d)"), |
| 2760 | session_entry->limSmeState); |
| 2761 | goto lim_tdls_send_mgmt_error; |
| 2762 | } |
| 2763 | |
| 2764 | switch (send_req->reqType) { |
| 2765 | case SIR_MAC_TDLS_DIS_REQ: |
| 2766 | lim_log(mac_ctx, LOG1, FL("Transmit Discovery Request Frame")); |
| 2767 | /* format TDLS discovery request frame and transmit it */ |
| 2768 | lim_send_tdls_dis_req_frame(mac_ctx, send_req->peerMac, |
| 2769 | send_req->dialog, session_entry); |
| 2770 | result_code = eSIR_SME_SUCCESS; |
| 2771 | break; |
| 2772 | case SIR_MAC_TDLS_DIS_RSP: |
| 2773 | lim_log(mac_ctx, LOG1, FL("Transmit Discovery Response Frame")); |
| 2774 | /* Send a response mgmt action frame */ |
| 2775 | lim_send_tdls_dis_rsp_frame(mac_ctx, send_req->peerMac, |
| 2776 | send_req->dialog, session_entry, &send_req->addIe[0], |
| 2777 | (send_req->length - sizeof(tSirTdlsSendMgmtReq))); |
| 2778 | result_code = eSIR_SME_SUCCESS; |
| 2779 | break; |
| 2780 | case SIR_MAC_TDLS_SETUP_REQ: |
| 2781 | lim_log(mac_ctx, LOG1, FL("Transmit Setup Request Frame")); |
| 2782 | lim_send_tdls_link_setup_req_frame(mac_ctx, |
| 2783 | send_req->peerMac, send_req->dialog, session_entry, |
| 2784 | &send_req->addIe[0], |
| 2785 | (send_req->length - sizeof(tSirTdlsSendMgmtReq))); |
| 2786 | result_code = eSIR_SME_SUCCESS; |
| 2787 | break; |
| 2788 | case SIR_MAC_TDLS_SETUP_RSP: |
| 2789 | lim_log(mac_ctx, LOG1, FL("Transmit Setup Response Frame")); |
| 2790 | lim_send_tdls_setup_rsp_frame(mac_ctx, |
| 2791 | send_req->peerMac, send_req->dialog, session_entry, |
| 2792 | send_req->statusCode, &send_req->addIe[0], |
| 2793 | (send_req->length - sizeof(tSirTdlsSendMgmtReq))); |
| 2794 | result_code = eSIR_SME_SUCCESS; |
| 2795 | break; |
| 2796 | case SIR_MAC_TDLS_SETUP_CNF: |
| 2797 | lim_log(mac_ctx, LOG1, FL("Transmit Setup Confirm Frame")); |
| 2798 | lim_send_tdls_link_setup_cnf_frame(mac_ctx, |
| 2799 | send_req->peerMac, send_req->dialog, |
| 2800 | send_req->peerCapability, session_entry, |
| 2801 | &send_req->addIe[0], |
| 2802 | (send_req->length - sizeof(tSirTdlsSendMgmtReq))); |
| 2803 | result_code = eSIR_SME_SUCCESS; |
| 2804 | break; |
| 2805 | case SIR_MAC_TDLS_TEARDOWN: |
| 2806 | lim_log(mac_ctx, LOG1, FL("Transmit Teardown Frame")); |
| 2807 | lim_send_tdls_teardown_frame(mac_ctx, |
| 2808 | send_req->peerMac, send_req->statusCode, |
| 2809 | send_req->responder, session_entry, |
| 2810 | &send_req->addIe[0], |
| 2811 | (send_req->length - sizeof(tSirTdlsSendMgmtReq))); |
| 2812 | result_code = eSIR_SME_SUCCESS; |
| 2813 | break; |
| 2814 | case SIR_MAC_TDLS_PEER_TRAFFIC_IND: |
| 2815 | break; |
| 2816 | case SIR_MAC_TDLS_CH_SWITCH_REQ: |
| 2817 | break; |
| 2818 | case SIR_MAC_TDLS_CH_SWITCH_RSP: |
| 2819 | break; |
| 2820 | case SIR_MAC_TDLS_PEER_TRAFFIC_RSP: |
| 2821 | break; |
| 2822 | default: |
| 2823 | break; |
| 2824 | } |
| 2825 | |
| 2826 | lim_tdls_send_mgmt_error: |
| 2827 | lim_send_sme_rsp(mac_ctx, eWNI_SME_TDLS_SEND_MGMT_RSP, |
| 2828 | result_code, send_req->sessionId, |
| 2829 | send_req->transactionId); |
| 2830 | |
| 2831 | return eSIR_SUCCESS; |
| 2832 | } |
| 2833 | |
| 2834 | /* |
| 2835 | * Send Response to Link Establish Request to SME |
| 2836 | */ |
| 2837 | void lim_send_sme_tdls_link_establish_req_rsp(tpAniSirGlobal pMac, |
| 2838 | uint8_t sessionId, tSirMacAddr peerMac, |
| 2839 | tDphHashNode *pStaDs, uint8_t status) |
| 2840 | { |
| 2841 | tSirMsgQ mmhMsg = { 0 }; |
| 2842 | |
| 2843 | tSirTdlsLinkEstablishReqRsp *pTdlsLinkEstablishReqRsp = NULL; |
| 2844 | |
| 2845 | pTdlsLinkEstablishReqRsp = |
| 2846 | cdf_mem_malloc(sizeof(tSirTdlsLinkEstablishReqRsp)); |
| 2847 | if (NULL == pTdlsLinkEstablishReqRsp) { |
| 2848 | lim_log(pMac, LOGE, FL("Failed to allocate memory")); |
| 2849 | return; |
| 2850 | } |
| 2851 | pTdlsLinkEstablishReqRsp->statusCode = status; |
| 2852 | if (peerMac) { |
| 2853 | cdf_mem_copy(pTdlsLinkEstablishReqRsp->peerMac, peerMac, |
| 2854 | sizeof(tSirMacAddr)); |
| 2855 | } |
| 2856 | pTdlsLinkEstablishReqRsp->sessionId = sessionId; |
| 2857 | mmhMsg.type = eWNI_SME_TDLS_LINK_ESTABLISH_RSP; |
| 2858 | mmhMsg.bodyptr = pTdlsLinkEstablishReqRsp; |
| 2859 | mmhMsg.bodyval = 0; |
| 2860 | lim_sys_process_mmh_msg_api(pMac, &mmhMsg, ePROT); |
| 2861 | return; |
| 2862 | |
| 2863 | } |
| 2864 | |
| 2865 | /* |
| 2866 | * Once link is teardown, send Del Peer Ind to SME |
| 2867 | */ |
| 2868 | static CDF_STATUS lim_send_sme_tdls_del_sta_rsp(tpAniSirGlobal pMac, |
| 2869 | uint8_t sessionId, |
| 2870 | tSirMacAddr peerMac, |
| 2871 | tDphHashNode *pStaDs, uint8_t status) |
| 2872 | { |
| 2873 | tSirMsgQ mmhMsg = { 0 }; |
| 2874 | tSirTdlsDelStaRsp *pDelSta = NULL; |
| 2875 | mmhMsg.type = eWNI_SME_TDLS_DEL_STA_RSP; |
| 2876 | |
| 2877 | pDelSta = cdf_mem_malloc(sizeof(tSirTdlsDelStaRsp)); |
| 2878 | if (NULL == pDelSta) { |
| 2879 | lim_log(pMac, LOGE, FL("Failed to allocate memory")); |
| 2880 | return CDF_STATUS_E_NOMEM; |
| 2881 | } |
| 2882 | |
| 2883 | pDelSta->sessionId = sessionId; |
| 2884 | pDelSta->statusCode = status; |
| 2885 | if (pStaDs) { |
| 2886 | pDelSta->staId = pStaDs->staIndex; |
| 2887 | } else |
| 2888 | pDelSta->staId = STA_INVALID_IDX; |
| 2889 | |
| 2890 | if (peerMac) { |
| 2891 | cdf_mem_copy(pDelSta->peerMac, peerMac, sizeof(tSirMacAddr)); |
| 2892 | } |
| 2893 | |
| 2894 | pDelSta->length = sizeof(tSirTdlsDelStaRsp); |
| 2895 | pDelSta->messageType = eWNI_SME_TDLS_DEL_STA_RSP; |
| 2896 | |
| 2897 | mmhMsg.bodyptr = pDelSta; |
| 2898 | |
| 2899 | mmhMsg.bodyval = 0; |
| 2900 | lim_sys_process_mmh_msg_api(pMac, &mmhMsg, ePROT); |
| 2901 | return CDF_STATUS_SUCCESS; |
| 2902 | |
| 2903 | } |
| 2904 | |
| 2905 | /* |
| 2906 | * Process Send Mgmt Request from SME and transmit to AP. |
| 2907 | */ |
| 2908 | tSirRetStatus lim_process_sme_tdls_add_sta_req(tpAniSirGlobal pMac, |
| 2909 | uint32_t *pMsgBuf) |
| 2910 | { |
| 2911 | /* get all discovery request parameters */ |
| 2912 | tSirTdlsAddStaReq *pAddStaReq = (tSirTdlsAddStaReq *) pMsgBuf; |
| 2913 | tpPESession psessionEntry; |
| 2914 | uint8_t sessionId; |
| 2915 | |
| 2916 | lim_log(pMac, LOG1, FL("TDLS Add STA Request Recieved")); |
| 2917 | psessionEntry = |
| 2918 | pe_find_session_by_bssid(pMac, pAddStaReq->bssid, &sessionId); |
| 2919 | if (psessionEntry == NULL) { |
| 2920 | lim_log(pMac, LOGE, |
| 2921 | FL( |
| 2922 | "PE Session does not exist for given sme sessionId %d" |
| 2923 | ), |
| 2924 | pAddStaReq->sessionId); |
| 2925 | goto lim_tdls_add_sta_error; |
| 2926 | } |
| 2927 | |
| 2928 | /* check if we are in proper state to work as TDLS client */ |
| 2929 | if (!LIM_IS_STA_ROLE(psessionEntry)) { |
| 2930 | CDF_TRACE(CDF_MODULE_ID_PE, CDF_TRACE_LEVEL_ERROR, |
| 2931 | "send mgmt received in wrong system Role %d", |
| 2932 | GET_LIM_SYSTEM_ROLE(psessionEntry)); |
| 2933 | goto lim_tdls_add_sta_error; |
| 2934 | } |
| 2935 | |
| 2936 | /* |
| 2937 | * if we are still good, go ahead and check if we are in proper state to |
| 2938 | * do TDLS discovery req/rsp/....frames. |
| 2939 | */ |
| 2940 | if ((psessionEntry->limSmeState != eLIM_SME_ASSOCIATED_STATE) && |
| 2941 | (psessionEntry->limSmeState != eLIM_SME_LINK_EST_STATE)) { |
| 2942 | |
| 2943 | lim_log(pMac, LOGE, |
| 2944 | FL("send mgmt received in invalid LIMsme state (%d)"), |
| 2945 | psessionEntry->limSmeState); |
| 2946 | goto lim_tdls_add_sta_error; |
| 2947 | } |
| 2948 | |
| 2949 | pMac->lim.gLimAddStaTdls = true; |
| 2950 | |
| 2951 | /* To start with, send add STA request to HAL */ |
| 2952 | if (eSIR_FAILURE == lim_tdls_setup_add_sta(pMac, pAddStaReq, psessionEntry)) { |
| 2953 | lim_log(pMac, LOGE, |
| 2954 | FL("Add TDLS Station request failed")); |
| 2955 | goto lim_tdls_add_sta_error; |
| 2956 | } |
| 2957 | return eSIR_SUCCESS; |
| 2958 | lim_tdls_add_sta_error: |
| 2959 | lim_send_sme_tdls_add_sta_rsp(pMac, |
| 2960 | pAddStaReq->sessionId, pAddStaReq->peerMac, |
| 2961 | (pAddStaReq->tdlsAddOper == TDLS_OPER_UPDATE), |
| 2962 | NULL, eSIR_FAILURE); |
| 2963 | |
| 2964 | return eSIR_SUCCESS; |
| 2965 | } |
| 2966 | |
| 2967 | /* |
| 2968 | * Process Del Sta Request from SME . |
| 2969 | */ |
| 2970 | tSirRetStatus lim_process_sme_tdls_del_sta_req(tpAniSirGlobal pMac, |
| 2971 | uint32_t *pMsgBuf) |
| 2972 | { |
| 2973 | /* get all discovery request parameters */ |
| 2974 | tSirTdlsDelStaReq *pDelStaReq = (tSirTdlsDelStaReq *) pMsgBuf; |
| 2975 | tpPESession psessionEntry; |
| 2976 | uint8_t sessionId; |
| 2977 | tpDphHashNode pStaDs = NULL; |
| 2978 | |
| 2979 | lim_log(pMac, LOG1, FL("TDLS Delete STA Request Recieved")); |
| 2980 | psessionEntry = |
| 2981 | pe_find_session_by_bssid(pMac, pDelStaReq->bssid, &sessionId); |
| 2982 | if (psessionEntry == NULL) { |
| 2983 | lim_log(pMac, LOGE, |
| 2984 | FL( |
| 2985 | "PE Session does not exist for given sme sessionId %d" |
| 2986 | ), |
| 2987 | pDelStaReq->sessionId); |
| 2988 | lim_send_sme_tdls_del_sta_rsp(pMac, pDelStaReq->sessionId, |
| 2989 | pDelStaReq->peerMac, NULL, |
| 2990 | eSIR_FAILURE); |
| 2991 | return eSIR_FAILURE; |
| 2992 | } |
| 2993 | |
| 2994 | /* check if we are in proper state to work as TDLS client */ |
| 2995 | if (!LIM_IS_STA_ROLE(psessionEntry)) { |
| 2996 | CDF_TRACE(CDF_MODULE_ID_PE, CDF_TRACE_LEVEL_ERROR, |
| 2997 | "Del sta received in wrong system Role %d", |
| 2998 | GET_LIM_SYSTEM_ROLE(psessionEntry)); |
| 2999 | goto lim_tdls_del_sta_error; |
| 3000 | } |
| 3001 | |
| 3002 | /* |
| 3003 | * if we are still good, go ahead and check if we are in proper state to |
| 3004 | * do TDLS discovery req/rsp/....frames. |
| 3005 | */ |
| 3006 | if ((psessionEntry->limSmeState != eLIM_SME_ASSOCIATED_STATE) && |
| 3007 | (psessionEntry->limSmeState != eLIM_SME_LINK_EST_STATE)) { |
| 3008 | |
| 3009 | lim_log(pMac, LOGE, |
| 3010 | FL("Del Sta received in invalid LIMsme state (%d)"), |
| 3011 | psessionEntry->limSmeState); |
| 3012 | goto lim_tdls_del_sta_error; |
| 3013 | } |
| 3014 | |
| 3015 | pStaDs = lim_tdls_del_sta(pMac, pDelStaReq->peerMac, psessionEntry); |
| 3016 | |
| 3017 | /* now send indication to SME-->HDD->TL to remove STA from TL */ |
| 3018 | |
| 3019 | if (pStaDs) { |
| 3020 | lim_send_sme_tdls_del_sta_rsp(pMac, psessionEntry->smeSessionId, |
| 3021 | pDelStaReq->peerMac, pStaDs, |
| 3022 | eSIR_SUCCESS); |
| 3023 | lim_release_peer_idx(pMac, pStaDs->assocId, psessionEntry); |
| 3024 | |
| 3025 | /* Clear the aid in peerAIDBitmap as this aid is now in freepool */ |
| 3026 | CLEAR_PEER_AID_BITMAP(psessionEntry->peerAIDBitmap, |
| 3027 | pStaDs->assocId); |
| 3028 | lim_delete_dph_hash_entry(pMac, pStaDs->staAddr, pStaDs->assocId, |
| 3029 | psessionEntry); |
| 3030 | |
| 3031 | return eSIR_SUCCESS; |
| 3032 | |
| 3033 | } |
| 3034 | |
| 3035 | lim_tdls_del_sta_error: |
| 3036 | lim_send_sme_tdls_del_sta_rsp(pMac, psessionEntry->smeSessionId, |
| 3037 | pDelStaReq->peerMac, NULL, eSIR_FAILURE); |
| 3038 | |
| 3039 | return eSIR_SUCCESS; |
| 3040 | } |
| 3041 | |
| 3042 | /* Intersects the two input arrays and outputs an array */ |
| 3043 | /* For now the array length of uint8_t suffices */ |
| 3044 | static void lim_tdls_get_intersection(uint8_t *input_array1, |
| 3045 | uint8_t input1_length, |
| 3046 | uint8_t *input_array2, |
| 3047 | uint8_t input2_length, |
| 3048 | uint8_t *output_array, |
| 3049 | uint8_t *output_length) |
| 3050 | { |
| 3051 | uint8_t i, j, k = 0, flag = 0; |
| 3052 | for (i = 0; i < input1_length; i++) { |
| 3053 | flag = 0; |
| 3054 | for (j = 0; j < input2_length; j++) { |
| 3055 | if (input_array1[i] == input_array2[j]) { |
| 3056 | flag = 1; |
| 3057 | break; |
| 3058 | } |
| 3059 | } |
| 3060 | if (flag == 1) { |
| 3061 | output_array[k] = input_array1[i]; |
| 3062 | k++; |
| 3063 | } |
| 3064 | } |
| 3065 | *output_length = k; |
| 3066 | } |
| 3067 | |
| 3068 | /** |
| 3069 | * lim_process_sme_tdls_link_establish_req() - process tdls link establishment |
| 3070 | * request |
| 3071 | * |
| 3072 | * @mac_ctx - global MAC context |
| 3073 | * @msg_buf - message buffer from SME |
| 3074 | * |
| 3075 | * Process Link Establishment Request from SME |
| 3076 | * |
| 3077 | * Return: eSIR_SUCCESS on success, failure code otherwise. |
| 3078 | */ |
| 3079 | tSirRetStatus lim_process_sme_tdls_link_establish_req(tpAniSirGlobal mac_ctx, |
| 3080 | uint32_t *msg_buf) |
| 3081 | { |
| 3082 | /* get all discovery request parameters */ |
| 3083 | tSirTdlsLinkEstablishReq *tdls_req = |
| 3084 | (tSirTdlsLinkEstablishReq *) msg_buf; |
| 3085 | tpPESession session_entry; |
| 3086 | uint8_t session_id; |
| 3087 | tpTdlsLinkEstablishParams tdls_req_params; |
| 3088 | tSirMsgQ msg; |
| 3089 | uint16_t peer_idx = 0; |
| 3090 | tpDphHashNode stads = NULL; |
| 3091 | uint32_t self_num_chan = WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| 3092 | uint8_t self_supp_chan[WNI_CFG_VALID_CHANNEL_LIST_LEN]; |
| 3093 | |
| 3094 | CDF_TRACE(CDF_MODULE_ID_PE, CDF_TRACE_LEVEL_INFO, |
| 3095 | FL("Send Mgmt Recieved")); |
| 3096 | |
| 3097 | session_entry = pe_find_session_by_bssid(mac_ctx, tdls_req->bssid, |
| 3098 | &session_id); |
| 3099 | if (NULL == session_entry) { |
| 3100 | CDF_TRACE(CDF_MODULE_ID_PE, CDF_TRACE_LEVEL_ERROR, |
| 3101 | FL("PE Session does not exist for sme session_id %d"), |
| 3102 | tdls_req->sessionId); |
| 3103 | lim_send_sme_tdls_link_establish_req_rsp(mac_ctx, |
| 3104 | tdls_req->sessionId, tdls_req->peerMac, NULL, |
| 3105 | eSIR_FAILURE); |
| 3106 | return eSIR_FAILURE; |
| 3107 | } |
| 3108 | |
| 3109 | /* check if we are in proper state to work as TDLS client */ |
| 3110 | if (!LIM_IS_STA_ROLE(session_entry)) { |
| 3111 | CDF_TRACE(CDF_MODULE_ID_PE, CDF_TRACE_LEVEL_ERROR, |
| 3112 | FL("TDLS Link Establish Request received in wrong system Role %d"), |
| 3113 | GET_LIM_SYSTEM_ROLE(session_entry)); |
| 3114 | goto lim_tdls_link_establish_error; |
| 3115 | } |
| 3116 | |
| 3117 | /* |
| 3118 | * if we are still good, go ahead and check if we are in proper state to |
| 3119 | * do TDLS discovery req/rsp/....frames. |
| 3120 | */ |
| 3121 | if ((session_entry->limSmeState != eLIM_SME_ASSOCIATED_STATE) && |
| 3122 | (session_entry->limSmeState != eLIM_SME_LINK_EST_STATE)) { |
| 3123 | lim_log(mac_ctx, LOGE, |
| 3124 | FL("TDLS Link Establish Request received in invalid LIMsme state (%d)"), |
| 3125 | session_entry->limSmeState); |
| 3126 | goto lim_tdls_link_establish_error; |
| 3127 | } |
| 3128 | |
| 3129 | stads = dph_lookup_hash_entry(mac_ctx, tdls_req->peerMac, &peer_idx, |
| 3130 | &session_entry->dph.dphHashTable); |
| 3131 | if (NULL == stads) { |
| 3132 | lim_log(mac_ctx, LOGE, FL("stads is NULL")); |
| 3133 | goto lim_tdls_link_establish_error; |
| 3134 | } |
| 3135 | tdls_req_params = cdf_mem_malloc(sizeof(tTdlsLinkEstablishParams)); |
| 3136 | if (NULL == tdls_req_params) { |
| 3137 | lim_log(mac_ctx, LOGE, |
| 3138 | FL("Unable to allocate memory TDLS Link Establish Request")); |
| 3139 | return eSIR_MEM_ALLOC_FAILED; |
| 3140 | } |
| 3141 | |
| 3142 | cdf_mem_set((uint8_t *) tdls_req_params, |
| 3143 | sizeof(tTdlsLinkEstablishParams), 0); |
| 3144 | |
| 3145 | tdls_req_params->staIdx = stads->staIndex; |
| 3146 | tdls_req_params->isResponder = tdls_req->isResponder; |
| 3147 | tdls_req_params->uapsdQueues = tdls_req->uapsdQueues; |
| 3148 | tdls_req_params->maxSp = tdls_req->maxSp; |
| 3149 | tdls_req_params->isBufsta = tdls_req->isBufSta; |
| 3150 | tdls_req_params->isOffChannelSupported = |
| 3151 | tdls_req->isOffChannelSupported; |
| 3152 | |
| 3153 | if (0 == tdls_req->supportedChannelsLen) |
| 3154 | goto send_tdls_establish_request; |
| 3155 | |
| 3156 | if (wlan_cfg_get_str(mac_ctx, WNI_CFG_VALID_CHANNEL_LIST, |
| 3157 | self_supp_chan, |
| 3158 | &self_num_chan) != eSIR_SUCCESS) { |
| 3159 | /** |
| 3160 | * Could not get Valid channel list from CFG. |
| 3161 | * Log error. |
| 3162 | */ |
| 3163 | lim_log(mac_ctx, LOGE, |
| 3164 | FL("could not retrieve Valid channel list")); |
| 3165 | } |
| 3166 | |
| 3167 | if (self_num_chan > WNI_CFG_VALID_CHANNEL_LIST_LEN) { |
| 3168 | lim_log(mac_ctx, LOGE, |
| 3169 | FL("Channel List more than Valid Channel list")); |
| 3170 | self_num_chan = WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| 3171 | } |
| 3172 | |
| 3173 | if (tdls_req->supportedChannelsLen > SIR_MAC_MAX_SUPP_CHANNELS) { |
| 3174 | lim_log(mac_ctx, LOGE, |
| 3175 | FL("Channel List is more than the supported Channel list")); |
| 3176 | tdls_req->supportedChannelsLen = SIR_MAC_MAX_SUPP_CHANNELS; |
| 3177 | } |
| 3178 | |
| 3179 | lim_tdls_get_intersection(self_supp_chan, self_num_chan, |
| 3180 | tdls_req->supportedChannels, tdls_req->supportedChannelsLen, |
| 3181 | tdls_req_params->validChannels, |
| 3182 | &tdls_req_params->validChannelsLen); |
| 3183 | |
| 3184 | send_tdls_establish_request: |
| 3185 | cdf_mem_copy(tdls_req_params->validOperClasses, |
| 3186 | tdls_req->supportedOperClasses, |
| 3187 | tdls_req->supportedOperClassesLen); |
| 3188 | tdls_req_params->validOperClassesLen = |
| 3189 | tdls_req->supportedOperClassesLen; |
| 3190 | |
| 3191 | msg.type = WMA_SET_TDLS_LINK_ESTABLISH_REQ; |
| 3192 | msg.reserved = 0; |
| 3193 | msg.bodyptr = tdls_req_params; |
| 3194 | msg.bodyval = 0; |
| 3195 | if (eSIR_SUCCESS != wma_post_ctrl_msg(mac_ctx, &msg)) { |
| 3196 | lim_log(mac_ctx, LOGE, FL("halPostMsgApi failed")); |
| 3197 | goto lim_tdls_link_establish_error; |
| 3198 | } |
| 3199 | return eSIR_SUCCESS; |
| 3200 | |
| 3201 | lim_tdls_link_establish_error: |
| 3202 | lim_send_sme_tdls_link_establish_req_rsp(mac_ctx, |
| 3203 | session_entry->smeSessionId, tdls_req->peerMac, NULL, |
| 3204 | eSIR_FAILURE); |
| 3205 | |
| 3206 | return eSIR_SUCCESS; |
| 3207 | } |
| 3208 | |
| 3209 | /** |
| 3210 | * lim_delete_tdls_peers() - delete tdls peers |
| 3211 | * |
| 3212 | * @mac_ctx - global MAC context |
| 3213 | * @session_entry - PE session entry |
| 3214 | * |
| 3215 | * Delete all the TDLS peer connected before leaving the BSS |
| 3216 | * |
| 3217 | * Return: eSIR_SUCCESS on success, error code otherwise |
| 3218 | */ |
| 3219 | tSirRetStatus lim_delete_tdls_peers(tpAniSirGlobal mac_ctx, |
| 3220 | tpPESession session_entry) |
| 3221 | { |
| 3222 | tpDphHashNode stads = NULL; |
| 3223 | int i, aid; |
| 3224 | size_t aid_bitmap_size = sizeof(session_entry->peerAIDBitmap); |
| 3225 | |
| 3226 | if (NULL == session_entry) { |
| 3227 | lim_log(mac_ctx, LOGE, FL("NULL session_entry")); |
| 3228 | return eSIR_FAILURE; |
| 3229 | } |
| 3230 | |
| 3231 | /* |
| 3232 | * Check all the set bit in peerAIDBitmap and delete the peer |
| 3233 | * (with that aid) entry from the hash table and add the aid |
| 3234 | * in free pool |
| 3235 | */ |
| 3236 | for (i = 0; i < aid_bitmap_size / sizeof(uint32_t); i++) { |
| 3237 | for (aid = 0; aid < (sizeof(uint32_t) << 3); aid++) { |
| 3238 | if (!CHECK_BIT(session_entry->peerAIDBitmap[i], aid)) |
| 3239 | continue; |
| 3240 | stads = dph_get_hash_entry(mac_ctx, |
| 3241 | (aid + i * (sizeof(uint32_t) << 3)), |
| 3242 | &session_entry->dph.dphHashTable); |
| 3243 | |
| 3244 | if (NULL != stads) { |
| 3245 | lim_log(mac_ctx, LOGE, |
| 3246 | FL("Deleting "MAC_ADDRESS_STR), |
| 3247 | MAC_ADDR_ARRAY(stads->staAddr)); |
| 3248 | |
| 3249 | lim_send_deauth_mgmt_frame(mac_ctx, |
| 3250 | eSIR_MAC_DEAUTH_LEAVING_BSS_REASON, |
| 3251 | stads->staAddr, session_entry, false); |
| 3252 | dph_delete_hash_entry(mac_ctx, |
| 3253 | stads->staAddr, stads->assocId, |
| 3254 | &session_entry->dph.dphHashTable); |
| 3255 | } |
| 3256 | lim_release_peer_idx(mac_ctx, |
| 3257 | (aid + i * (sizeof(uint32_t) << 3)), |
| 3258 | session_entry); |
| 3259 | CLEAR_BIT(session_entry->peerAIDBitmap[i], aid); |
| 3260 | } |
| 3261 | } |
| 3262 | lim_send_sme_tdls_delete_all_peer_ind(mac_ctx, session_entry); |
| 3263 | |
| 3264 | return eSIR_SUCCESS; |
| 3265 | } |
| 3266 | |
| 3267 | #endif |