Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2012, Code Aurora Forum. 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 | |
| 24 | \file rrmApi.c |
| 25 | |
| 26 | \brief implementation for PE RRM APIs |
| 27 | |
| 28 | Copyright 2008 (c) Qualcomm, Incorporated. All Rights Reserved. |
| 29 | |
| 30 | Qualcomm Confidential and Proprietary. |
| 31 | |
| 32 | ========================================================================*/ |
| 33 | |
| 34 | /* $Header$ */ |
| 35 | |
| 36 | #if defined WLAN_FEATURE_VOWIFI |
| 37 | |
| 38 | /*-------------------------------------------------------------------------- |
| 39 | Include Files |
| 40 | ------------------------------------------------------------------------*/ |
| 41 | #include "palTypes.h" |
| 42 | #include "wniApi.h" |
| 43 | #include "sirApi.h" |
| 44 | #include "aniGlobal.h" |
| 45 | #ifdef FEATURE_WLAN_NON_INTEGRATED_SOC |
| 46 | #include "halDataStruct.h" |
| 47 | #endif |
| 48 | #if (WNI_POLARIS_FW_PRODUCT == AP) |
| 49 | #include "wniCfgAp.h" |
| 50 | #else |
| 51 | #include "wniCfgSta.h" |
| 52 | #endif |
| 53 | #include "limTypes.h" |
| 54 | #include "limUtils.h" |
| 55 | #include "limSendSmeRspMessages.h" |
| 56 | #include "parserApi.h" |
| 57 | #include "limSendMessages.h" |
| 58 | #include "rrmGlobal.h" |
| 59 | #include "rrmApi.h" |
| 60 | |
| 61 | |
| 62 | // -------------------------------------------------------------------- |
| 63 | /** |
| 64 | * rrmCacheMgmtTxPower |
| 65 | ** |
| 66 | * FUNCTION: Store Tx power for management frames. |
| 67 | * |
| 68 | * LOGIC: |
| 69 | * |
| 70 | * ASSUMPTIONS: |
| 71 | * |
| 72 | * NOTE: |
| 73 | * |
| 74 | * @param pSessionEntry session entry. |
| 75 | * @return None |
| 76 | */ |
| 77 | void |
| 78 | rrmCacheMgmtTxPower ( tpAniSirGlobal pMac, tPowerdBm txPower, tpPESession pSessionEntry ) |
| 79 | { |
| 80 | #if defined WLAN_VOWIFI_DEBUG |
| 81 | PELOGE(limLog( pMac, LOGE, "Cache Mgmt Tx Power = %d\n", txPower );) |
| 82 | #endif |
| 83 | if( pSessionEntry == NULL ) |
| 84 | pMac->rrm.rrmPEContext.txMgmtPower = txPower; |
| 85 | else |
| 86 | pSessionEntry->txMgmtPower = txPower; |
| 87 | } |
| 88 | |
| 89 | // -------------------------------------------------------------------- |
| 90 | /** |
| 91 | * rrmGetMgmtTxPower |
| 92 | * |
| 93 | * FUNCTION: Get the Tx power for management frames. |
| 94 | * |
| 95 | * LOGIC: |
| 96 | * |
| 97 | * ASSUMPTIONS: |
| 98 | * |
| 99 | * NOTE: |
| 100 | * |
| 101 | * @param pSessionEntry session entry. |
| 102 | * @return txPower |
| 103 | */ |
| 104 | tPowerdBm |
| 105 | rrmGetMgmtTxPower ( tpAniSirGlobal pMac, tpPESession pSessionEntry ) |
| 106 | { |
| 107 | #if defined WLAN_VOWIFI_DEBUG |
| 108 | PELOGE(limLog( pMac, LOGE, "RrmGetMgmtTxPower called\n" );) |
| 109 | #endif |
| 110 | if( pSessionEntry == NULL ) |
| 111 | return pMac->rrm.rrmPEContext.txMgmtPower; |
| 112 | |
| 113 | return pSessionEntry->txMgmtPower; |
| 114 | } |
| 115 | |
| 116 | // -------------------------------------------------------------------- |
| 117 | /** |
| 118 | * rrmSendSetMaxTxPowerReq |
| 119 | * |
| 120 | * FUNCTION: Send WDA_SET_MAX_TX_POWER_REQ message to change the max tx power. |
| 121 | * |
| 122 | * LOGIC: |
| 123 | * |
| 124 | * ASSUMPTIONS: |
| 125 | * |
| 126 | * NOTE: |
| 127 | * |
| 128 | * @param txPower txPower to be set. |
| 129 | * @param pSessionEntry session entry. |
| 130 | * @return None |
| 131 | */ |
| 132 | tSirRetStatus |
| 133 | rrmSendSetMaxTxPowerReq ( tpAniSirGlobal pMac, tPowerdBm txPower, tpPESession pSessionEntry ) |
| 134 | { |
| 135 | tpMaxTxPowerParams pMaxTxParams; |
| 136 | tSirRetStatus retCode = eSIR_SUCCESS; |
| 137 | tSirMsgQ msgQ; |
| 138 | |
| 139 | if( pSessionEntry == NULL ) |
| 140 | { |
| 141 | PELOGE(limLog(pMac, LOGE, FL(" Inavalid parameters\n"));) |
| 142 | return eSIR_FAILURE; |
| 143 | } |
| 144 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 145 | (void **) &pMaxTxParams, sizeof(tMaxTxPowerParams) ) ) |
| 146 | { |
| 147 | limLog( pMac, LOGP, FL("Unable to allocate memory for pMaxTxParams \n") ); |
| 148 | return eSIR_MEM_ALLOC_FAILED; |
| 149 | |
| 150 | } |
| 151 | #if defined WLAN_VOWIFI_DEBUG |
| 152 | PELOGE(limLog( pMac, LOGE, FL(" Allocated memory for pMaxTxParams...will be freed in other module\n") );) |
| 153 | #endif |
| 154 | pMaxTxParams->power = txPower; |
| 155 | palCopyMemory( pMac->hHdd, pMaxTxParams->bssId, pSessionEntry->bssId, sizeof(tSirMacAddr) ); |
| 156 | palCopyMemory( pMac->hHdd, pMaxTxParams->selfStaMacAddr, pSessionEntry->selfMacAddr, sizeof(tSirMacAddr) ); |
| 157 | |
| 158 | |
| 159 | msgQ.type = WDA_SET_MAX_TX_POWER_REQ; |
| 160 | msgQ.reserved = 0; |
| 161 | msgQ.bodyptr = pMaxTxParams; |
| 162 | msgQ.bodyval = 0; |
| 163 | |
| 164 | PELOGW(limLog(pMac, LOGW, FL( "Sending WDA_SET_MAX_TX_POWER_REQ to HAL"));) |
| 165 | |
| 166 | MTRACE(macTraceMsgTx(pMac, 0, msgQ.type)); |
| 167 | if( eSIR_SUCCESS != (retCode = wdaPostCtrlMsg( pMac, &msgQ ))) |
| 168 | { |
| 169 | limLog( pMac, LOGP, FL("Posting WDA_SET_MAX_TX_POWER_REQ to HAL failed, reason=%X"), retCode ); |
| 170 | if (NULL != pMaxTxParams) |
| 171 | { |
| 172 | palFreeMemory( pMac->hHdd, (tANI_U8 *) pMaxTxParams ); |
| 173 | } |
| 174 | return retCode; |
| 175 | } |
| 176 | return retCode; |
| 177 | } |
| 178 | |
| 179 | |
| 180 | // -------------------------------------------------------------------- |
| 181 | /** |
| 182 | * rrmSetMaxTxPowerRsp |
| 183 | * |
| 184 | * FUNCTION: Process WDA_SET_MAX_TX_POWER_RSP message. |
| 185 | * |
| 186 | * LOGIC: |
| 187 | * |
| 188 | * ASSUMPTIONS: |
| 189 | * |
| 190 | * NOTE: |
| 191 | * |
| 192 | * @param txPower txPower to be set. |
| 193 | * @param pSessionEntry session entry. |
| 194 | * @return None |
| 195 | */ |
| 196 | tSirRetStatus |
| 197 | rrmSetMaxTxPowerRsp ( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) |
| 198 | { |
| 199 | tSirRetStatus retCode = eSIR_SUCCESS; |
| 200 | tpMaxTxPowerParams pMaxTxParams = (tpMaxTxPowerParams) limMsgQ->bodyptr; |
| 201 | tpPESession pSessionEntry; |
| 202 | tANI_U8 sessionId; |
| 203 | |
| 204 | if((pSessionEntry = peFindSessionByBssid(pMac, pMaxTxParams->bssId, &sessionId))==NULL) |
| 205 | { |
| 206 | PELOGE(limLog(pMac, LOGE, FL("Unable to find session:\n") );) |
| 207 | retCode = eSIR_FAILURE; |
| 208 | } |
| 209 | else |
| 210 | { |
| 211 | rrmCacheMgmtTxPower ( pMac, pMaxTxParams->power, pSessionEntry ); |
| 212 | } |
| 213 | |
| 214 | palFreeMemory(pMac->hHdd, (void*)limMsgQ->bodyptr); |
| 215 | limMsgQ->bodyptr = NULL; |
| 216 | return retCode; |
| 217 | } |
| 218 | // -------------------------------------------------------------------- |
| 219 | /** |
| 220 | * rrmProcessLinkMeasurementRequest |
| 221 | * |
| 222 | * FUNCTION: Processes the Link measurement request and send the report. |
| 223 | * |
| 224 | * LOGIC: |
| 225 | * |
| 226 | * ASSUMPTIONS: |
| 227 | * |
| 228 | * NOTE: |
| 229 | * |
| 230 | * @param pBd pointer to BD to extract RSSI and SNR |
| 231 | * @param pLinkReq pointer to the Link request frame structure. |
| 232 | * @param pSessionEntry session entry. |
| 233 | * @return None |
| 234 | */ |
| 235 | tSirRetStatus |
| 236 | rrmProcessLinkMeasurementRequest( tpAniSirGlobal pMac, |
| 237 | tANI_U8 *pRxPacketInfo, |
| 238 | tDot11fLinkMeasurementRequest *pLinkReq, |
| 239 | tpPESession pSessionEntry ) |
| 240 | { |
| 241 | tSirMacLinkReport LinkReport; |
| 242 | tpSirMacMgmtHdr pHdr; |
| 243 | v_S7_t currentRSSI = 0; |
| 244 | |
| 245 | #if defined WLAN_VOWIFI_DEBUG |
| 246 | PELOGE(limLog( pMac, LOGE, "Received Link measurement request\n");) |
| 247 | #endif |
| 248 | if( pRxPacketInfo == NULL || pLinkReq == NULL || pSessionEntry == NULL ) |
| 249 | { |
| 250 | PELOGE(limLog( pMac, LOGE, "%s:%d: Invalid parameters - Ignoring the request\n");) |
| 251 | return eSIR_FAILURE; |
| 252 | } |
| 253 | pHdr = WDA_GET_RX_MAC_HEADER( pRxPacketInfo ); |
| 254 | #if defined WLAN_VOWIFI_DEBUG |
| 255 | if( pSessionEntry->maxTxPower != (tPowerdBm) pLinkReq->MaxTxPower.maxTxPower ) |
| 256 | { |
| 257 | PELOGE(limLog( pMac, LOGE, FL(" maxTx power in link request is not same as local...Local = %d LinkReq = %d\n"), |
| 258 | pSessionEntry->maxTxPower, pLinkReq->MaxTxPower.maxTxPower );) |
| 259 | } |
| 260 | #endif |
| 261 | |
| 262 | LinkReport.dialogToken = pLinkReq->DialogToken.token; |
| 263 | LinkReport.txPower = pSessionEntry->txMgmtPower; |
| 264 | LinkReport.rxAntenna = 0; |
| 265 | LinkReport.txAntenna = 0; |
| 266 | currentRSSI = WDA_GET_RX_RSSI_DB(pRxPacketInfo); |
| 267 | |
| 268 | #if defined WLAN_VOWIFI_DEBUG |
| 269 | PELOGE(limLog( pMac, LOGE, "Received Link report frame with %d\n", currentRSSI);) |
| 270 | #endif |
| 271 | |
| 272 | // 2008 11k spec reference: 18.4.8.5 RCPI Measurement |
| 273 | if ((currentRSSI) <= RCPI_LOW_RSSI_VALUE) |
| 274 | LinkReport.rcpi = 0; |
| 275 | else if ((currentRSSI > RCPI_LOW_RSSI_VALUE) && (currentRSSI <= 0)) |
| 276 | LinkReport.rcpi = CALCULATE_RCPI(currentRSSI); |
| 277 | else |
| 278 | LinkReport.rcpi = RCPI_MAX_VALUE; |
| 279 | |
| 280 | LinkReport.rsni = WDA_GET_RX_SNR(pRxPacketInfo); |
| 281 | |
| 282 | #if defined WLAN_VOWIFI_DEBUG |
| 283 | PELOGE(limLog( pMac, LOGE, "Sending Link report frame\n");) |
| 284 | #endif |
| 285 | return limSendLinkReportActionFrame( pMac, &LinkReport, pHdr->sa, pSessionEntry ); |
| 286 | |
| 287 | |
| 288 | } |
| 289 | |
| 290 | // -------------------------------------------------------------------- |
| 291 | /** |
| 292 | * rrmProcessNeighborReportResponse |
| 293 | * |
| 294 | * FUNCTION: Processes the Neighbor Report response from the peer AP. |
| 295 | * |
| 296 | * LOGIC: |
| 297 | * |
| 298 | * ASSUMPTIONS: |
| 299 | * |
| 300 | * NOTE: |
| 301 | * |
| 302 | * @param pNeighborRep pointer to the Neighbor report frame structure. |
| 303 | * @param pSessionEntry session entry. |
| 304 | * @return None |
| 305 | */ |
| 306 | tSirRetStatus |
| 307 | rrmProcessNeighborReportResponse( tpAniSirGlobal pMac, |
| 308 | tDot11fNeighborReportResponse *pNeighborRep, |
| 309 | tpPESession pSessionEntry ) |
| 310 | { |
| 311 | tSirRetStatus status = eSIR_FAILURE; |
| 312 | tpSirNeighborReportInd pSmeNeighborRpt = NULL; |
| 313 | tANI_U16 length; |
| 314 | tANI_U8 i; |
| 315 | tSirMsgQ mmhMsg; |
| 316 | |
| 317 | if( pNeighborRep == NULL || pSessionEntry == NULL ) |
| 318 | { |
| 319 | PELOGE(limLog( pMac, LOGE, FL(" Invalid parameters\n") );) |
| 320 | return status; |
| 321 | } |
| 322 | |
| 323 | #if defined WLAN_VOWIFI_DEBUG |
| 324 | PELOGE(limLog( pMac, LOGE, FL("Neighbor report response received \n") );) |
| 325 | #endif |
| 326 | |
| 327 | // Dialog token |
| 328 | if( pMac->rrm.rrmPEContext.DialogToken != pNeighborRep->DialogToken.token ) |
| 329 | { |
| 330 | PELOGE(limLog( pMac, LOGE, "Dialog token mismatch in the received Neighbor report\n");) |
| 331 | return eSIR_FAILURE; |
| 332 | } |
| 333 | if( pNeighborRep->num_NeighborReport == 0 ) |
| 334 | { |
| 335 | PELOGE(limLog( pMac, LOGE, "No neighbor report in the frame...Dropping it\n");) |
| 336 | return eSIR_FAILURE; |
| 337 | } |
| 338 | length = (sizeof( tSirNeighborReportInd )) + |
| 339 | (sizeof( tSirNeighborBssDescription ) * (pNeighborRep->num_NeighborReport - 1) ) ; |
| 340 | |
| 341 | //Prepare the request to send to SME. |
| 342 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 343 | (void **) &pSmeNeighborRpt, length ) ) |
| 344 | { |
| 345 | PELOGE(limLog( pMac, LOGP, FL("Unable to allocate memory\n") );) |
| 346 | return eSIR_MEM_ALLOC_FAILED; |
| 347 | |
| 348 | } |
| 349 | palZeroMemory( pMac->hHdd, pSmeNeighborRpt, length ); |
| 350 | #if defined WLAN_VOWIFI_DEBUG |
| 351 | PELOGE(limLog( pMac, LOGE, FL(" Allocated memory for pSmeNeighborRpt...will be freed by other module\n") );) |
| 352 | #endif |
| 353 | |
| 354 | for( i = 0 ; i < pNeighborRep->num_NeighborReport ; i++ ) |
| 355 | { |
| 356 | pSmeNeighborRpt->sNeighborBssDescription[i].length = sizeof( tSirNeighborBssDescription ); /*+ any optional ies */ |
| 357 | palCopyMemory( pMac->hHdd, pSmeNeighborRpt->sNeighborBssDescription[i].bssId, |
| 358 | pNeighborRep->NeighborReport[i].bssid, sizeof(tSirMacAddr) ); |
| 359 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fApPreauthReachable = pNeighborRep->NeighborReport[i].APReachability; |
| 360 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fSameSecurityMode = pNeighborRep->NeighborReport[i].Security; |
| 361 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fSameAuthenticator = pNeighborRep->NeighborReport[i].KeyScope; |
| 362 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fCapSpectrumMeasurement = pNeighborRep->NeighborReport[i].SpecMgmtCap; |
| 363 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fCapQos = pNeighborRep->NeighborReport[i].QosCap; |
| 364 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fCapApsd = pNeighborRep->NeighborReport[i].apsd; |
| 365 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fCapRadioMeasurement = pNeighborRep->NeighborReport[i].rrm; |
| 366 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fCapDelayedBlockAck = pNeighborRep->NeighborReport[i].DelayedBA; |
| 367 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fCapImmediateBlockAck = pNeighborRep->NeighborReport[i].ImmBA; |
| 368 | pSmeNeighborRpt->sNeighborBssDescription[i].bssidInfo.rrmInfo.fMobilityDomain = pNeighborRep->NeighborReport[i].MobilityDomain; |
| 369 | |
| 370 | pSmeNeighborRpt->sNeighborBssDescription[i].regClass = pNeighborRep->NeighborReport[i].regulatoryClass; |
| 371 | pSmeNeighborRpt->sNeighborBssDescription[i].channel = pNeighborRep->NeighborReport[i].channel; |
| 372 | pSmeNeighborRpt->sNeighborBssDescription[i].phyType = pNeighborRep->NeighborReport[i].PhyType; |
| 373 | } |
| 374 | |
| 375 | pSmeNeighborRpt->messageType = eWNI_SME_NEIGHBOR_REPORT_IND; |
| 376 | pSmeNeighborRpt->length = length; |
| 377 | pSmeNeighborRpt->numNeighborReports = pNeighborRep->num_NeighborReport; |
| 378 | palCopyMemory( pMac->hHdd, pSmeNeighborRpt->bssId, pSessionEntry->bssId, sizeof(tSirMacAddr) ); |
| 379 | |
| 380 | //Send request to SME. |
| 381 | mmhMsg.type = pSmeNeighborRpt->messageType; |
| 382 | mmhMsg.bodyptr = pSmeNeighborRpt; |
| 383 | MTRACE(macTraceMsgTx(pMac, 0, mmhMsg.type)); |
| 384 | status = limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| 385 | |
| 386 | return status; |
| 387 | |
| 388 | } |
| 389 | |
| 390 | // -------------------------------------------------------------------- |
| 391 | /** |
| 392 | * rrmProcessNeighborReportReq |
| 393 | * |
| 394 | * FUNCTION: |
| 395 | * |
| 396 | * LOGIC: Create a Neighbor report request and send it to peer. |
| 397 | * |
| 398 | * ASSUMPTIONS: |
| 399 | * |
| 400 | * NOTE: |
| 401 | * |
| 402 | * @param pNeighborReq Neighbor report request params . |
| 403 | * @return None |
| 404 | */ |
| 405 | tSirRetStatus |
| 406 | rrmProcessNeighborReportReq( tpAniSirGlobal pMac, |
| 407 | tpSirNeighborReportReqInd pNeighborReq ) |
| 408 | { |
| 409 | tSirRetStatus status = eSIR_SUCCESS; |
| 410 | tSirMacNeighborReportReq NeighborReportReq; |
| 411 | tpPESession pSessionEntry ; |
| 412 | tANI_U8 sessionId; |
| 413 | |
| 414 | if( pNeighborReq == NULL ) |
| 415 | { |
| 416 | PELOGE(limLog( pMac, LOGE, "NeighborReq is NULL\n" );) |
| 417 | return eSIR_FAILURE; |
| 418 | } |
| 419 | if ((pSessionEntry = peFindSessionByBssid(pMac,pNeighborReq->bssId,&sessionId))==NULL) |
| 420 | { |
| 421 | PELOGE(limLog(pMac, LOGE,FL("session does not exist for given bssId\n"));) |
| 422 | return eSIR_FAILURE; |
| 423 | } |
| 424 | |
| 425 | #if defined WLAN_VOWIFI_DEBUG |
| 426 | PELOGE(limLog( pMac, LOGE, FL("Neighbor Request received \n") );) |
| 427 | PELOGE(limLog( pMac, LOGE, "SSID present = %d \n", pNeighborReq->noSSID );) |
| 428 | #endif |
| 429 | |
| 430 | palZeroMemory( pMac->hHdd, &NeighborReportReq, sizeof( tSirMacNeighborReportReq ) ); |
| 431 | |
| 432 | NeighborReportReq.dialogToken = ++pMac->rrm.rrmPEContext.DialogToken; |
| 433 | NeighborReportReq.ssid_present = !pNeighborReq->noSSID; |
| 434 | if( NeighborReportReq.ssid_present ) |
| 435 | { |
| 436 | palCopyMemory( pMac->hHdd, &NeighborReportReq.ssid, &pNeighborReq->ucSSID, sizeof(tSirMacSSid) ); |
| 437 | #if defined WLAN_VOWIFI_DEBUG |
| 438 | PELOGE(sirDumpBuf( pMac, SIR_LIM_MODULE_ID, LOGE, (tANI_U8*) NeighborReportReq.ssid.ssId, NeighborReportReq.ssid.length );) |
| 439 | #endif |
| 440 | } |
| 441 | |
| 442 | status = limSendNeighborReportRequestFrame( pMac, &NeighborReportReq, pNeighborReq->bssId, pSessionEntry ); |
| 443 | |
| 444 | return status; |
| 445 | } |
| 446 | |
| 447 | #define ABS(x) ((x < 0) ? -x : x) |
| 448 | // -------------------------------------------------------------------- |
| 449 | /** |
| 450 | * rrmProcessBeaconReportReq |
| 451 | * |
| 452 | * FUNCTION: Processes the Beacon report request from the peer AP. |
| 453 | * |
| 454 | * LOGIC: |
| 455 | * |
| 456 | * ASSUMPTIONS: |
| 457 | * |
| 458 | * NOTE: |
| 459 | * |
| 460 | * @param pCurrentReq pointer to the current Req comtext. |
| 461 | * @param pBeaconReq pointer to the beacon report request IE from the peer. |
| 462 | * @param pSessionEntry session entry. |
| 463 | * @return None |
| 464 | */ |
| 465 | static tRrmRetStatus |
| 466 | rrmProcessBeaconReportReq( tpAniSirGlobal pMac, |
| 467 | tpRRMReq pCurrentReq, |
| 468 | tDot11fIEMeasurementRequest *pBeaconReq, |
| 469 | tpPESession pSessionEntry ) |
| 470 | { |
| 471 | tSirMsgQ mmhMsg; |
| 472 | tpSirBeaconReportReqInd pSmeBcnReportReq; |
| 473 | tANI_U8 num_channels = 0, num_APChanReport; |
| 474 | tANI_U16 measDuration, maxMeasduration; |
| 475 | tANI_S8 maxDuration; |
| 476 | tANI_U8 sign; |
| 477 | |
| 478 | if( pBeaconReq->measurement_request.Beacon.BeaconReporting.present && |
| 479 | (pBeaconReq->measurement_request.Beacon.BeaconReporting.reportingCondition != 0) ) |
| 480 | { |
| 481 | //Repeated measurement is not supported. This means number of repetitions should be zero.(Already checked) |
| 482 | //All test case in VoWifi(as of version 0.36) use zero for number of repetitions. |
| 483 | //Beacon reporting should not be included in request if number of repetitons is zero. |
| 484 | // IEEE Std 802.11k-2008 Table 7-29g and section 11.10.8.1 |
| 485 | |
| 486 | PELOGE(limLog( pMac, LOGE, "Droping the request: Reporting condition included in beacon report request and it is not zero\n");) |
| 487 | return eRRM_INCAPABLE; |
| 488 | } |
| 489 | |
| 490 | /* The logic here is to check the measurement duration passed in the beacon request. Following are the cases handled. |
| 491 | Case 1: If measurement duration received in the beacon request is greater than the max measurement duration advertised |
| 492 | in the RRM capabilities(Assoc Req), and Duration Mandatory bit is set to 1, REFUSE the beacon request |
| 493 | Case 2: If measurement duration received in the beacon request is greater than the max measurement duration advertised |
| 494 | in the RRM capabilities(Assoc Req), and Duration Mandatory bit is set to 0, perform measurement for |
| 495 | the duration advertised in the RRM capabilities |
| 496 | |
| 497 | maxMeasurementDuration = 2^(nonOperatingChanMax - 4) * BeaconInterval |
| 498 | */ |
| 499 | maxDuration = pMac->rrm.rrmPEContext.rrmEnabledCaps.nonOperatingChanMax - 4; |
| 500 | sign = (maxDuration < 0) ? 1 : 0; |
| 501 | maxDuration = (1L << ABS(maxDuration)); |
| 502 | if (!sign) |
| 503 | maxMeasduration = maxDuration * pSessionEntry->beaconParams.beaconInterval; |
| 504 | else |
| 505 | maxMeasduration = pSessionEntry->beaconParams.beaconInterval / maxDuration; |
| 506 | |
| 507 | measDuration = pBeaconReq->measurement_request.Beacon.meas_duration; |
| 508 | |
| 509 | #if defined WLAN_VOWIFI_DEBUG |
| 510 | limLog( pMac, LOGE, "maxDuration = %d sign = %d maxMeasduration = %d measDuration = %d\n", |
| 511 | maxDuration, sign, maxMeasduration, measDuration ); |
| 512 | #endif |
| 513 | |
| 514 | if( maxMeasduration < measDuration ) |
| 515 | { |
| 516 | if( pBeaconReq->durationMandatory ) |
| 517 | { |
| 518 | limLog( pMac, LOGE, "Droping the request: duration mandatory and maxduration > measduration\n"); |
| 519 | return eRRM_REFUSED; |
| 520 | } |
| 521 | else |
| 522 | measDuration = maxMeasduration; |
| 523 | } |
| 524 | |
| 525 | //Cache the data required for sending report. |
| 526 | pCurrentReq->request.Beacon.reportingDetail = pBeaconReq->measurement_request.Beacon.BcnReportingDetail.present ? |
| 527 | pBeaconReq->measurement_request.Beacon.BcnReportingDetail.reportingDetail : |
| 528 | BEACON_REPORTING_DETAIL_ALL_FF_IE ; |
| 529 | |
| 530 | if( pBeaconReq->measurement_request.Beacon.RequestedInfo.present ) |
| 531 | { |
| 532 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, (void**) &pCurrentReq->request.Beacon.reqIes.pElementIds, |
| 533 | ( sizeof( tANI_U8) * |
| 534 | pBeaconReq->measurement_request.Beacon.RequestedInfo.num_requested_eids ) ) ) |
| 535 | { |
| 536 | limLog( pMac, LOGP, |
| 537 | FL( "Unable to PAL allocate memory for request IEs buffer\n" )); |
| 538 | return eRRM_FAILURE; |
| 539 | } |
| 540 | #if defined WLAN_VOWIFI_DEBUG |
| 541 | PELOGE(limLog( pMac, LOGE, FL(" Allocated memory for pElementIds\n") );) |
| 542 | #endif |
| 543 | pCurrentReq->request.Beacon.reqIes.num = pBeaconReq->measurement_request.Beacon.RequestedInfo.num_requested_eids; |
| 544 | palCopyMemory ( pMac->hHdd, pCurrentReq->request.Beacon.reqIes.pElementIds, |
| 545 | pBeaconReq->measurement_request.Beacon.RequestedInfo.requested_eids, |
| 546 | pCurrentReq->request.Beacon.reqIes.num ); |
| 547 | } |
| 548 | |
| 549 | if( pBeaconReq->measurement_request.Beacon.num_APChannelReport ) |
| 550 | { |
| 551 | for( num_APChanReport = 0 ; num_APChanReport < pBeaconReq->measurement_request.Beacon.num_APChannelReport ; num_APChanReport++ ) |
| 552 | num_channels += pBeaconReq->measurement_request.Beacon.APChannelReport[num_APChanReport].num_channelList; |
| 553 | } |
| 554 | |
| 555 | //Prepare the request to send to SME. |
| 556 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 557 | (void **) &pSmeBcnReportReq, |
| 558 | (sizeof( tSirBeaconReportReqInd ) + num_channels) ) ) |
| 559 | { |
| 560 | limLog( pMac, LOGP, |
| 561 | FL( "Unable to PAL allocate memory during Beacon Report Req Ind to SME\n" )); |
| 562 | |
| 563 | return eRRM_FAILURE; |
| 564 | |
| 565 | } |
| 566 | |
| 567 | palZeroMemory( pMac->hHdd, pSmeBcnReportReq, sizeof( tSirBeaconReportReqInd ) + num_channels ); |
| 568 | |
| 569 | #if defined WLAN_VOWIFI_DEBUG |
| 570 | PELOGE(limLog( pMac, LOGE, FL(" Allocated memory for pSmeBcnReportReq....will be freed by other module\n") );) |
| 571 | #endif |
| 572 | palCopyMemory( pMac->hHdd, pSmeBcnReportReq->bssId, pSessionEntry->bssId, sizeof(tSirMacAddr) ); |
| 573 | pSmeBcnReportReq->messageType = eWNI_SME_BEACON_REPORT_REQ_IND; |
| 574 | pSmeBcnReportReq->length = sizeof( tSirBeaconReportReqInd ) + num_channels; |
| 575 | pSmeBcnReportReq->uDialogToken = pBeaconReq->measurement_token; |
| 576 | //pSmeBcnReportReq->measurementDuration = SYS_TU_TO_MS(pBeaconReq->measurement_request.Beacon.meas_duration); |
| 577 | pSmeBcnReportReq->measurementDuration = SYS_TU_TO_MS(measDuration /*pBeaconReq->measurement_request.Beacon.meas_duration*/); |
| 578 | pSmeBcnReportReq->randomizationInterval = SYS_TU_TO_MS (pBeaconReq->measurement_request.Beacon.randomization); |
| 579 | pSmeBcnReportReq->fMeasurementtype = pBeaconReq->measurement_request.Beacon.meas_mode; |
| 580 | pSmeBcnReportReq->channelInfo.regulatoryClass = pBeaconReq->measurement_request.Beacon.regClass; |
| 581 | pSmeBcnReportReq->channelInfo.channelNum = pBeaconReq->measurement_request.Beacon.channel; |
| 582 | palCopyMemory( pMac->hHdd, pSmeBcnReportReq->macaddrBssid, pBeaconReq->measurement_request.Beacon.BSSID, sizeof(tSirMacAddr) ); |
| 583 | |
| 584 | if( pBeaconReq->measurement_request.Beacon.SSID.present ) |
| 585 | { |
| 586 | pSmeBcnReportReq->ssId.length = pBeaconReq->measurement_request.Beacon.SSID.num_ssid; |
| 587 | palCopyMemory( pMac->hHdd, pSmeBcnReportReq->ssId.ssId, pBeaconReq->measurement_request.Beacon.SSID.ssid, |
| 588 | pSmeBcnReportReq->ssId.length ); |
| 589 | } |
| 590 | |
| 591 | pCurrentReq->token = pBeaconReq->measurement_token; |
| 592 | |
| 593 | pSmeBcnReportReq->channelList.numChannels = num_channels; |
| 594 | if( pBeaconReq->measurement_request.Beacon.num_APChannelReport ) |
| 595 | { |
| 596 | tANI_U8 *pChanList = pSmeBcnReportReq->channelList.channelNumber; |
| 597 | for( num_APChanReport = 0 ; num_APChanReport < pBeaconReq->measurement_request.Beacon.num_APChannelReport ; num_APChanReport++ ) |
| 598 | { |
| 599 | palCopyMemory( pMac->hHdd, pChanList, |
| 600 | pBeaconReq->measurement_request.Beacon.APChannelReport[num_APChanReport].channelList, |
| 601 | pBeaconReq->measurement_request.Beacon.APChannelReport[num_APChanReport].num_channelList ); |
| 602 | |
| 603 | pChanList += pBeaconReq->measurement_request.Beacon.APChannelReport[num_APChanReport].num_channelList; |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | //Send request to SME. |
| 608 | mmhMsg.type = eWNI_SME_BEACON_REPORT_REQ_IND; |
| 609 | mmhMsg.bodyptr = pSmeBcnReportReq; |
| 610 | MTRACE(macTraceMsgTx(pMac, 0, mmhMsg.type)); |
| 611 | return limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| 612 | } |
| 613 | |
| 614 | // -------------------------------------------------------------------- |
| 615 | /** |
| 616 | * rrmFillBeaconIes |
| 617 | * |
| 618 | * FUNCTION: |
| 619 | * |
| 620 | * LOGIC: Fills Fixed fields and Ies in bss description to an array of tANI_U8. |
| 621 | * |
| 622 | * ASSUMPTIONS: |
| 623 | * |
| 624 | * NOTE: |
| 625 | * |
| 626 | * @param pIes - pointer to the buffer that should be populated with ies. |
| 627 | * @param pNumIes - returns the num of ies filled in this param. |
| 628 | * @param pIesMaxSize - Max size of the buffer pIes. |
| 629 | * @param eids - pointer to array of eids. If NULL, all ies will be populated. |
| 630 | * @param numEids - number of elements in array eids. |
| 631 | * @param pBssDesc - pointer to Bss Description. |
| 632 | * @return None |
| 633 | */ |
| 634 | static void |
| 635 | rrmFillBeaconIes( tpAniSirGlobal pMac, |
| 636 | tANI_U8 *pIes, tANI_U8 *pNumIes, tANI_U8 pIesMaxSize, |
| 637 | tANI_U8 *eids, tANI_U8 numEids, |
| 638 | tpSirBssDescription pBssDesc ) |
| 639 | { |
| 640 | tANI_U8 len, *pBcnIes, BcnNumIes, count = 0, i; |
| 641 | |
| 642 | if( (pIes == NULL) || (pNumIes == NULL) || (pBssDesc == NULL) ) |
| 643 | { |
| 644 | PELOGE(limLog( pMac, LOGE, FL(" Invalid parameters\n") );) |
| 645 | return; |
| 646 | } |
| 647 | |
| 648 | //Make sure that if eid is null, numEids is set to zero. |
| 649 | numEids = (eids == NULL) ? 0 : numEids; |
| 650 | |
| 651 | pBcnIes = (tANI_U8*) &pBssDesc->ieFields[0]; |
| 652 | BcnNumIes = (tANI_U8)GET_IE_LEN_IN_BSS( pBssDesc->length ); |
| 653 | |
| 654 | *pNumIes = 0; |
| 655 | |
| 656 | *((tANI_U32*)pIes) = pBssDesc->timeStamp[0]; |
| 657 | *pNumIes+=sizeof(tANI_U32); pIes+=sizeof(tANI_U32); |
| 658 | *((tANI_U32*)pIes) = pBssDesc->timeStamp[1]; |
| 659 | *pNumIes+=sizeof(tANI_U32); pIes+=sizeof(tANI_U32); |
| 660 | *((tANI_U16*)pIes) = pBssDesc->beaconInterval; |
| 661 | *pNumIes+=sizeof(tANI_U16); pIes+=sizeof(tANI_U16); |
| 662 | *((tANI_U16*)pIes) = pBssDesc->capabilityInfo; |
| 663 | *pNumIes+=sizeof(tANI_U16); pIes+=sizeof(tANI_U16); |
| 664 | |
| 665 | while ( BcnNumIes > 0 ) |
| 666 | { |
| 667 | len = *(pBcnIes + 1) + 2; //element id + length. |
| 668 | #if defined WLAN_VOWIFI_DEBUG |
| 669 | PELOGE(limLog( pMac, LOGE, "EID = %d, len = %d total = %d\n", *pBcnIes, *(pBcnIes+1), len );) |
| 670 | #endif |
| 671 | |
| 672 | i = 0; |
| 673 | do |
| 674 | { |
| 675 | if( ( (eids == NULL) || ( *pBcnIes == eids[i] ) ) && |
| 676 | ( (*pNumIes) + len) < pIesMaxSize ) |
| 677 | { |
| 678 | #if defined WLAN_VOWIFI_DEBUG |
| 679 | PELOGE(limLog( pMac, LOGE, "Adding Eid %d, len=%d\n", *pBcnIes, len );) |
| 680 | #endif |
| 681 | palCopyMemory( pMac->hHdd, pIes, pBcnIes, len ); |
| 682 | pIes += len; |
| 683 | *pNumIes += len; |
| 684 | count++; |
| 685 | break; |
| 686 | } |
| 687 | i++; |
| 688 | }while( i < numEids ); |
| 689 | |
| 690 | pBcnIes += len; |
| 691 | BcnNumIes -= len; |
| 692 | } |
| 693 | #if defined WLAN_VOWIFI_DEBUG |
| 694 | PELOGE(limLog( pMac, LOGE, "Total length of Ies added = %d\n", *pNumIes );) |
| 695 | #endif |
| 696 | } |
| 697 | |
| 698 | // -------------------------------------------------------------------- |
| 699 | /** |
| 700 | * rrmProcessBeaconReportXmit |
| 701 | * |
| 702 | * FUNCTION: |
| 703 | * |
| 704 | * LOGIC: Create a Radio measurement report action frame and send it to peer. |
| 705 | * |
| 706 | * ASSUMPTIONS: |
| 707 | * |
| 708 | * NOTE: |
| 709 | * |
| 710 | * @param pBcnReport Data for beacon report IE from SME. |
| 711 | * @return None |
| 712 | */ |
| 713 | tSirRetStatus |
| 714 | rrmProcessBeaconReportXmit( tpAniSirGlobal pMac, |
| 715 | tpSirBeaconReportXmitInd pBcnReport) |
| 716 | { |
| 717 | tSirRetStatus status = eSIR_SUCCESS; |
| 718 | tSirMacRadioMeasureReport report, *pReport; |
| 719 | tpRRMReq pCurrentReq = pMac->rrm.rrmPEContext.pCurrentReq; |
| 720 | tpPESession pSessionEntry ; |
| 721 | tANI_U8 sessionId; |
| 722 | |
| 723 | #if defined WLAN_VOWIFI_DEBUG |
| 724 | PELOGE(limLog( pMac, LOGE, "Received beacon report xmit indication\n");) |
| 725 | #endif |
| 726 | if(NULL == pBcnReport) |
| 727 | return eSIR_FAILURE; |
| 728 | |
| 729 | if ( pCurrentReq == NULL ) |
| 730 | { |
| 731 | PELOGE(limLog( pMac, LOGE, "Received report xmit while there is no request pending in PE\n");) |
| 732 | return eSIR_FAILURE; |
| 733 | } |
| 734 | if ((pSessionEntry = peFindSessionByBssid(pMac,pBcnReport->bssId,&sessionId))==NULL) |
| 735 | { |
| 736 | PELOGE(limLog(pMac, LOGE,FL("session does not exist for given bssId\n"));) |
| 737 | return eSIR_FAILURE; |
| 738 | } |
| 739 | |
| 740 | pReport = &report; |
| 741 | palZeroMemory( pMac->hHdd, pReport, sizeof(tSirMacRadioMeasureReport) ); |
| 742 | //Prepare the beacon report and send it to the peer. |
| 743 | pReport->token = pBcnReport->uDialogToken; |
| 744 | pReport->refused = 0; |
| 745 | pReport->incapable = 0; |
| 746 | pReport->type = SIR_MAC_RRM_BEACON_TYPE; |
| 747 | |
| 748 | //Valid response is included if the size of beacon xmit is == size of beacon xmit ind + ies |
| 749 | if ( pBcnReport->length > sizeof( tSirBeaconReportXmitInd ) ) |
| 750 | { |
| 751 | pReport->report.beaconReport.regClass = pBcnReport->regClass; |
| 752 | pReport->report.beaconReport.channel = pBcnReport->pBssDescription[0]->channelId; |
| 753 | palCopyMemory( pMac->hHdd, pReport->report.beaconReport.measStartTime, pBcnReport->pBssDescription[0]->startTSF, sizeof( pBcnReport->pBssDescription[0]->startTSF) ); |
| 754 | pReport->report.beaconReport.measDuration = SYS_MS_TO_TU(pBcnReport->duration); |
| 755 | pReport->report.beaconReport.phyType = pBcnReport->pBssDescription[0]->nwType; //TODO: check this. |
| 756 | pReport->report.beaconReport.bcnProbeRsp = 1; |
| 757 | pReport->report.beaconReport.rsni = pBcnReport->pBssDescription[0]->sinr; |
| 758 | pReport->report.beaconReport.rcpi = pBcnReport->pBssDescription[0]->rssi; |
| 759 | |
| 760 | pReport->report.beaconReport.antennaId = 0; |
| 761 | pReport->report.beaconReport.parentTSF = pBcnReport->pBssDescription[0]->parentTSF; |
| 762 | palCopyMemory(pMac->hHdd, pReport->report.beaconReport.bssid, pBcnReport->pBssDescription[0]->bssId, sizeof(tSirMacAddr)); |
| 763 | |
| 764 | switch ( pCurrentReq->request.Beacon.reportingDetail ) |
| 765 | { |
| 766 | case BEACON_REPORTING_DETAIL_NO_FF_IE: //0 No need to include any elements. |
| 767 | #if defined WLAN_VOWIFI_DEBUG |
| 768 | PELOGE(limLog(pMac, LOGE, "No reporting detail requested\n");) |
| 769 | #endif |
| 770 | break; |
| 771 | case BEACON_REPORTING_DETAIL_ALL_FF_REQ_IE: //1: Include all FFs and Requested Ies. |
| 772 | #if defined WLAN_VOWIFI_DEBUG |
| 773 | PELOGE(limLog(pMac, LOGE, "Only requested IEs in reporting detail requested\n");) |
| 774 | #endif |
| 775 | |
| 776 | rrmFillBeaconIes( pMac, (tANI_U8*) &pReport->report.beaconReport.Ies[0], |
| 777 | (tANI_U8*) &pReport->report.beaconReport.numIes, BEACON_REPORT_MAX_IES, |
| 778 | pCurrentReq->request.Beacon.reqIes.pElementIds, pCurrentReq->request.Beacon.reqIes.num, |
| 779 | pBcnReport->pBssDescription[0] ); |
| 780 | |
| 781 | break; |
| 782 | case BEACON_REPORTING_DETAIL_ALL_FF_IE: //2 / default - Include all FFs and all Ies. |
| 783 | default: |
| 784 | #if defined WLAN_VOWIFI_DEBUG |
| 785 | PELOGE(limLog(pMac, LOGE, "Default all IEs and FFs\n");) |
| 786 | #endif |
| 787 | rrmFillBeaconIes( pMac, (tANI_U8*) &pReport->report.beaconReport.Ies[0], |
| 788 | (tANI_U8*) &pReport->report.beaconReport.numIes, BEACON_REPORT_MAX_IES, |
| 789 | NULL, 0, |
| 790 | pBcnReport->pBssDescription[0] ); |
| 791 | break; |
| 792 | } |
| 793 | |
| 794 | #if defined WLAN_VOWIFI_DEBUG |
| 795 | PELOGE(limLog( pMac, LOGE, "Sending Action frame \n");) |
| 796 | #endif |
| 797 | limSendRadioMeasureReportActionFrame( pMac, pCurrentReq->dialog_token, 1, |
| 798 | pReport, pBcnReport->bssId, pSessionEntry ); |
| 799 | } |
| 800 | |
| 801 | if( pBcnReport->fMeasureDone ) |
| 802 | { |
| 803 | PELOGE(limLog( pMac, LOGE, "Measurement done....cleanup the context\n");) |
| 804 | |
| 805 | rrmCleanup(pMac); |
| 806 | } |
| 807 | return status; |
| 808 | } |
| 809 | |
| 810 | void rrmProcessBeaconRequestFailure(tpAniSirGlobal pMac, tpPESession pSessionEntry, |
| 811 | tSirMacAddr peer, tRrmRetStatus status) |
| 812 | { |
| 813 | tpSirMacRadioMeasureReport pReport = NULL; |
| 814 | tpRRMReq pCurrentReq = pMac->rrm.rrmPEContext.pCurrentReq; |
| 815 | |
| 816 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 817 | (void **) &pReport, |
| 818 | sizeof( tSirMacRadioMeasureReport ) ) ) |
| 819 | { |
| 820 | limLog( pMac, LOGP, |
| 821 | FL( "Unable to PAL allocate memory during RRM Req processing\n" )); |
| 822 | return; |
| 823 | } |
| 824 | palZeroMemory( pMac->hHdd, pReport, sizeof(tSirMacRadioMeasureReport) ); |
| 825 | pReport->token = pCurrentReq->token; |
| 826 | pReport->type = SIR_MAC_RRM_BEACON_TYPE; |
| 827 | |
| 828 | switch (status) |
| 829 | { |
| 830 | case eRRM_REFUSED: |
| 831 | pReport->refused = 1; |
| 832 | break; |
| 833 | case eRRM_INCAPABLE: |
| 834 | pReport->incapable = 1; |
| 835 | break; |
| 836 | default: |
| 837 | PELOGE(limLog( pMac, LOGE, FL(" Beacon request processing failed no report sent with status %d \n"), status);); |
| 838 | palFreeMemory( pMac->hHdd, pReport ); |
| 839 | return; |
| 840 | } |
| 841 | |
| 842 | limSendRadioMeasureReportActionFrame( pMac, pCurrentReq->dialog_token, 1, |
| 843 | pReport, peer, pSessionEntry ); |
| 844 | |
| 845 | palFreeMemory( pMac->hHdd, pReport ); |
| 846 | #if defined WLAN_VOWIFI_DEBUG |
| 847 | PELOGE(limLog( pMac, LOGE, FL(" Free memory for pReport\n") );) |
| 848 | #endif |
| 849 | return; |
| 850 | } |
| 851 | |
| 852 | // -------------------------------------------------------------------- |
| 853 | /** |
| 854 | * rrmProcessRadioMeasurementRequest |
| 855 | * |
| 856 | * FUNCTION: Processes the Radio Resource Measurement request. |
| 857 | * |
| 858 | * LOGIC: |
| 859 | |
| 860 | |
| 861 | * |
| 862 | * ASSUMPTIONS: |
| 863 | * |
| 864 | * NOTE: |
| 865 | * |
| 866 | * @param peer Macaddress of the peer requesting the radio measurement. |
| 867 | * @param pRRMReq Array of Measurement request IEs |
| 868 | * @param pSessionEntry session entry. |
| 869 | * @return None |
| 870 | */ |
| 871 | tSirRetStatus |
| 872 | rrmProcessRadioMeasurementRequest( tpAniSirGlobal pMac, |
| 873 | tSirMacAddr peer, |
| 874 | tDot11fRadioMeasurementRequest *pRRMReq, |
| 875 | tpPESession pSessionEntry ) |
| 876 | { |
| 877 | tANI_U8 i; |
| 878 | tSirRetStatus status = eSIR_SUCCESS; |
| 879 | tpSirMacRadioMeasureReport pReport = NULL; |
| 880 | tANI_U8 num_report = 0; |
| 881 | tpRRMReq pCurrentReq = pMac->rrm.rrmPEContext.pCurrentReq; |
| 882 | tRrmRetStatus rrmStatus = eRRM_SUCCESS; |
| 883 | |
| 884 | if( !pRRMReq->num_MeasurementRequest ) |
| 885 | { |
| 886 | //No measurement requests.... |
| 887 | // |
| 888 | PELOGE(limLog( pMac, LOGE, "No requestIes in the measurement request\n" );) |
| 889 | return eSIR_FAILURE; |
| 890 | } |
| 891 | |
| 892 | // PF Fix |
| 893 | if( pRRMReq->NumOfRepetitions.repetitions > 0 ) |
| 894 | { |
| 895 | //Send a report with incapable bit set. Not supporting repetitions. |
| 896 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 897 | (void **) &pReport, |
| 898 | sizeof( tSirMacRadioMeasureReport ) ) ) |
| 899 | { |
| 900 | limLog( pMac, LOGP, |
| 901 | FL( "Unable to PAL allocate memory during RRM Req processing\n" )); |
| 902 | return eSIR_MEM_ALLOC_FAILED; |
| 903 | } |
| 904 | palZeroMemory( pMac->hHdd, pReport, sizeof(tSirMacRadioMeasureReport) ); |
| 905 | #if defined WLAN_VOWIFI_DEBUG |
| 906 | PELOGE(limLog( pMac, LOGE, FL(" Allocated memory for pReport\n") );) |
| 907 | #endif |
| 908 | pReport->incapable = 1; |
| 909 | pReport->type = pRRMReq->MeasurementRequest[0].measurement_type; |
| 910 | num_report = 1; |
| 911 | goto end; |
| 912 | |
| 913 | } |
| 914 | |
| 915 | for( i= 0; i < pRRMReq->num_MeasurementRequest; i++ ) |
| 916 | { |
| 917 | switch( pRRMReq->MeasurementRequest[i].measurement_type ) |
| 918 | { |
| 919 | case SIR_MAC_RRM_BEACON_TYPE: |
| 920 | //Process beacon request. |
| 921 | if( pCurrentReq ) |
| 922 | { |
| 923 | if ( pReport == NULL ) //Allocate memory to send reports for any subsequent requests. |
| 924 | { |
| 925 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 926 | (void **) &pReport, |
| 927 | sizeof( tSirMacRadioMeasureReport ) * (pRRMReq->num_MeasurementRequest - i) ) ) |
| 928 | { |
| 929 | limLog( pMac, LOGP, |
| 930 | FL( "Unable to PAL allocate memory during RRM Req processing\n" )); |
| 931 | return eSIR_MEM_ALLOC_FAILED; |
| 932 | } |
| 933 | palZeroMemory( pMac->hHdd, pReport, sizeof( tSirMacRadioMeasureReport ) * (pRRMReq->num_MeasurementRequest - i) ); |
| 934 | #if defined WLAN_VOWIFI_DEBUG |
| 935 | limLog( pMac, LOGE, FL(" Allocated memory for pReport\n") ); |
| 936 | #endif |
| 937 | |
| 938 | } |
| 939 | pReport[num_report].refused = 1; |
| 940 | pReport[num_report].type = SIR_MAC_RRM_BEACON_TYPE; |
| 941 | pReport[num_report].token = pRRMReq->MeasurementRequest[i].measurement_token; |
| 942 | num_report++; |
| 943 | continue; |
| 944 | } |
| 945 | else |
| 946 | { |
| 947 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 948 | (void **) &pCurrentReq, |
| 949 | sizeof( *pCurrentReq ) ) ) |
| 950 | { |
| 951 | limLog( pMac, LOGP, |
| 952 | FL( "Unable to PAL allocate memory during RRM Req processing\n" )); |
| 953 | return eSIR_MEM_ALLOC_FAILED; |
| 954 | } |
| 955 | #if defined WLAN_VOWIFI_DEBUG |
| 956 | PELOGE(limLog( pMac, LOGE, FL(" Allocated memory for pCurrentReq\n") );) |
| 957 | #endif |
| 958 | palZeroMemory( pMac->hHdd, pCurrentReq, sizeof( *pCurrentReq ) ); |
| 959 | pCurrentReq->dialog_token = pRRMReq->DialogToken.token; |
| 960 | pCurrentReq->token = pRRMReq->MeasurementRequest[i].measurement_token; |
| 961 | pMac->rrm.rrmPEContext.pCurrentReq = pCurrentReq; |
| 962 | rrmStatus = rrmProcessBeaconReportReq( pMac, pCurrentReq, &pRRMReq->MeasurementRequest[i], pSessionEntry ); |
| 963 | if (eRRM_SUCCESS != rrmStatus) |
| 964 | { |
| 965 | rrmProcessBeaconRequestFailure(pMac, pSessionEntry, peer, rrmStatus); |
| 966 | rrmCleanup(pMac); |
| 967 | } |
| 968 | } |
| 969 | break; |
| 970 | default: |
| 971 | //Send a report with incapabale bit set. |
| 972 | if ( pReport == NULL ) //Allocate memory to send reports for any subsequent requests. |
| 973 | { |
| 974 | if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| 975 | (void **) &pReport, |
| 976 | sizeof( tSirMacRadioMeasureReport ) * (pRRMReq->num_MeasurementRequest - i) ) ) |
| 977 | { |
| 978 | limLog( pMac, LOGP, |
| 979 | FL( "Unable to PAL allocate memory during RRM Req processing\n" )); |
| 980 | return eSIR_MEM_ALLOC_FAILED; |
| 981 | } |
| 982 | palZeroMemory( pMac->hHdd, pReport, sizeof( tSirMacRadioMeasureReport ) * (pRRMReq->num_MeasurementRequest - i) ); |
| 983 | #if defined WLAN_VOWIFI_DEBUG |
| 984 | PELOGE(limLog( pMac, LOGE, FL(" Allocated memory for pReport\n") );) |
| 985 | #endif |
| 986 | |
| 987 | } |
| 988 | pReport[num_report].incapable = 1; |
| 989 | pReport[num_report].type = pRRMReq->MeasurementRequest[i].measurement_type; |
| 990 | pReport[num_report].token = pRRMReq->MeasurementRequest[i].measurement_token; |
| 991 | num_report++; |
| 992 | break; |
| 993 | } |
| 994 | } |
| 995 | |
| 996 | end: |
| 997 | if( pReport ) |
| 998 | { |
| 999 | limSendRadioMeasureReportActionFrame( pMac, pRRMReq->DialogToken.token, num_report, |
| 1000 | pReport, peer, pSessionEntry ); |
| 1001 | |
| 1002 | palFreeMemory( pMac->hHdd, pReport ); |
| 1003 | #if defined WLAN_VOWIFI_DEBUG |
| 1004 | PELOGE(limLog( pMac, LOGE, FL(" Free memory for pReport\n") );) |
| 1005 | #endif |
| 1006 | } |
| 1007 | return status; |
| 1008 | |
| 1009 | } |
| 1010 | |
| 1011 | // -------------------------------------------------------------------- |
| 1012 | /** |
| 1013 | * rrmUpdateStartTSF |
| 1014 | ** |
| 1015 | * FUNCTION: Store start TSF of measurement. |
| 1016 | * |
| 1017 | * LOGIC: |
| 1018 | * |
| 1019 | * ASSUMPTIONS: |
| 1020 | * |
| 1021 | * NOTE: |
| 1022 | * |
| 1023 | * @param startTSF - TSF value at the start of measurement. |
| 1024 | * @return None |
| 1025 | */ |
| 1026 | void |
| 1027 | rrmUpdateStartTSF ( tpAniSirGlobal pMac, tANI_U32 startTSF[2] ) |
| 1028 | { |
| 1029 | #if 0 //defined WLAN_VOWIFI_DEBUG |
| 1030 | limLog( pMac, LOGE, "Update Start TSF = %d %d\n", startTSF[0], startTSF[1] ); |
| 1031 | #endif |
| 1032 | pMac->rrm.rrmPEContext.startTSF[0] = startTSF[0]; |
| 1033 | pMac->rrm.rrmPEContext.startTSF[1] = startTSF[1]; |
| 1034 | } |
| 1035 | |
| 1036 | // -------------------------------------------------------------------- |
| 1037 | /** |
| 1038 | * rrmGetStartTSF |
| 1039 | * |
| 1040 | * FUNCTION: Get the Start TSF. |
| 1041 | * |
| 1042 | * LOGIC: |
| 1043 | * |
| 1044 | * ASSUMPTIONS: |
| 1045 | * |
| 1046 | * NOTE: |
| 1047 | * |
| 1048 | * @param startTSF - store star TSF in this buffer. |
| 1049 | * @return txPower |
| 1050 | */ |
| 1051 | void |
| 1052 | rrmGetStartTSF ( tpAniSirGlobal pMac, tANI_U32 *pStartTSF ) |
| 1053 | { |
| 1054 | #if 0 //defined WLAN_VOWIFI_DEBUG |
| 1055 | limLog( pMac, LOGE, "Get the start TSF, TSF = %d %d \n", pMac->rrm.rrmPEContext.startTSF[0], pMac->rrm.rrmPEContext.startTSF[1] ); |
| 1056 | #endif |
| 1057 | pStartTSF[0] = pMac->rrm.rrmPEContext.startTSF[0]; |
| 1058 | pStartTSF[1] = pMac->rrm.rrmPEContext.startTSF[1]; |
| 1059 | |
| 1060 | } |
| 1061 | // -------------------------------------------------------------------- |
| 1062 | /** |
| 1063 | * rrmGetCapabilities |
| 1064 | * |
| 1065 | * FUNCTION: |
| 1066 | * Returns a pointer to tpRRMCaps with all the caps enabled in RRM |
| 1067 | * |
| 1068 | * LOGIC: |
| 1069 | * |
| 1070 | * ASSUMPTIONS: |
| 1071 | * |
| 1072 | * NOTE: |
| 1073 | * |
| 1074 | * @param pSessionEntry |
| 1075 | * @return pointer to tRRMCaps |
| 1076 | */ |
| 1077 | tpRRMCaps rrmGetCapabilities ( tpAniSirGlobal pMac, |
| 1078 | tpPESession pSessionEntry ) |
| 1079 | { |
| 1080 | return &pMac->rrm.rrmPEContext.rrmEnabledCaps; |
| 1081 | } |
| 1082 | |
| 1083 | // -------------------------------------------------------------------- |
| 1084 | /** |
| 1085 | * rrmUpdateConfig |
| 1086 | * |
| 1087 | * FUNCTION: |
| 1088 | * Update the configuration. This is called from limUpdateConfig. |
| 1089 | * |
| 1090 | * LOGIC: |
| 1091 | * |
| 1092 | * ASSUMPTIONS: |
| 1093 | * |
| 1094 | * NOTE: |
| 1095 | * |
| 1096 | * @param pSessionEntry |
| 1097 | * @return pointer to tRRMCaps |
| 1098 | */ |
| 1099 | void rrmUpdateConfig ( tpAniSirGlobal pMac, |
| 1100 | tpPESession pSessionEntry ) |
| 1101 | { |
| 1102 | tANI_U32 val; |
| 1103 | tpRRMCaps pRRMCaps = &pMac->rrm.rrmPEContext.rrmEnabledCaps; |
| 1104 | |
| 1105 | if (wlan_cfgGetInt(pMac, WNI_CFG_RRM_ENABLED, &val) != eSIR_SUCCESS) |
| 1106 | { |
| 1107 | limLog(pMac, LOGP, FL("cfg get rrm enabled failed\n")); |
| 1108 | return; |
| 1109 | } |
| 1110 | pMac->rrm.rrmPEContext.rrmEnable = (val) ? 1 : 0; |
| 1111 | |
| 1112 | if (wlan_cfgGetInt(pMac, WNI_CFG_RRM_OPERATING_CHAN_MAX, &val) != eSIR_SUCCESS) |
| 1113 | { |
| 1114 | limLog(pMac, LOGP, FL("cfg get rrm operating channel max measurement duration failed\n")); |
| 1115 | return; |
| 1116 | } |
| 1117 | pRRMCaps->operatingChanMax = (tANI_U8)val; |
| 1118 | |
| 1119 | if (wlan_cfgGetInt(pMac, WNI_CFG_RRM_NON_OPERATING_CHAN_MAX, &val) != eSIR_SUCCESS) |
| 1120 | { |
| 1121 | limLog(pMac, LOGP, FL("cfg get rrm non-operating channel max measurement duration failed\n")); |
| 1122 | return; |
| 1123 | } |
| 1124 | pRRMCaps->nonOperatingChanMax =(tANI_U8) val; |
| 1125 | |
| 1126 | #if defined WLAN_VOWIFI_DEBUG |
| 1127 | PELOGE(limLog( pMac, LOGE, "RRM enabled = %d OperatingChanMax = %d NonOperatingMax = %d\n", pMac->rrm.rrmPEContext.rrmEnable, |
| 1128 | pRRMCaps->operatingChanMax, pRRMCaps->nonOperatingChanMax );) |
| 1129 | #endif |
| 1130 | } |
| 1131 | // -------------------------------------------------------------------- |
| 1132 | /** |
| 1133 | * rrmInitialize |
| 1134 | * |
| 1135 | * FUNCTION: |
| 1136 | * Initialize RRM module |
| 1137 | * |
| 1138 | * LOGIC: |
| 1139 | * |
| 1140 | * ASSUMPTIONS: |
| 1141 | * |
| 1142 | * NOTE: |
| 1143 | * |
| 1144 | * @return None |
| 1145 | */ |
| 1146 | |
| 1147 | tSirRetStatus |
| 1148 | rrmInitialize(tpAniSirGlobal pMac) |
| 1149 | { |
| 1150 | tpRRMCaps pRRMCaps = &pMac->rrm.rrmPEContext.rrmEnabledCaps; |
| 1151 | |
| 1152 | pMac->rrm.rrmPEContext.pCurrentReq = NULL; |
| 1153 | pMac->rrm.rrmPEContext.txMgmtPower = 0; |
| 1154 | pMac->rrm.rrmPEContext.DialogToken = 0; |
| 1155 | |
| 1156 | pMac->rrm.rrmPEContext.rrmEnable = 0; |
| 1157 | |
| 1158 | palZeroMemory( pMac->hHdd, pRRMCaps, sizeof(tRRMCaps) ); |
| 1159 | pRRMCaps->LinkMeasurement = 1; |
| 1160 | pRRMCaps->NeighborRpt = 1; |
| 1161 | pRRMCaps->BeaconPassive = 1; |
| 1162 | pRRMCaps->BeaconActive = 1; |
| 1163 | pRRMCaps->BeaconTable = 1; |
| 1164 | pRRMCaps->APChanReport = 1; |
| 1165 | |
| 1166 | //pRRMCaps->TCMCapability = 1; |
| 1167 | //pRRMCaps->triggeredTCM = 1; |
| 1168 | pRRMCaps->operatingChanMax = 3; |
| 1169 | pRRMCaps->nonOperatingChanMax = 3; |
| 1170 | |
| 1171 | return eSIR_SUCCESS; |
| 1172 | } |
| 1173 | |
| 1174 | // -------------------------------------------------------------------- |
| 1175 | /** |
| 1176 | * rrmCleanup |
| 1177 | * |
| 1178 | * FUNCTION: |
| 1179 | * cleanup RRM module |
| 1180 | * |
| 1181 | * LOGIC: |
| 1182 | * |
| 1183 | * ASSUMPTIONS: |
| 1184 | * |
| 1185 | * NOTE: |
| 1186 | * |
| 1187 | * @param mode |
| 1188 | * @param rate |
| 1189 | * @return None |
| 1190 | */ |
| 1191 | |
| 1192 | tSirRetStatus |
| 1193 | rrmCleanup(tpAniSirGlobal pMac) |
| 1194 | { |
| 1195 | if( pMac->rrm.rrmPEContext.pCurrentReq ) |
| 1196 | { |
| 1197 | if( pMac->rrm.rrmPEContext.pCurrentReq->request.Beacon.reqIes.pElementIds ) |
| 1198 | { |
| 1199 | palFreeMemory( pMac->hHdd, pMac->rrm.rrmPEContext.pCurrentReq->request.Beacon.reqIes.pElementIds ); |
| 1200 | #if defined WLAN_VOWIFI_DEBUG |
| 1201 | PELOGE(limLog( pMac, LOGE, FL(" Free memory for pElementIds\n") );) |
| 1202 | #endif |
| 1203 | } |
| 1204 | |
| 1205 | palFreeMemory( pMac->hHdd, pMac->rrm.rrmPEContext.pCurrentReq ); |
| 1206 | #if defined WLAN_VOWIFI_DEBUG |
| 1207 | PELOGE(limLog( pMac, LOGE, FL(" Free memory for pCurrentReq\n") );) |
| 1208 | #endif |
| 1209 | } |
| 1210 | |
| 1211 | pMac->rrm.rrmPEContext.pCurrentReq = NULL; |
| 1212 | return eSIR_SUCCESS; |
| 1213 | } |
| 1214 | |
| 1215 | // -------------------------------------------------------------------- |
| 1216 | /** |
| 1217 | * rrmProcessMessage |
| 1218 | * |
| 1219 | * FUNCTION: Processes the next received Radio Resource Management message |
| 1220 | * |
| 1221 | * LOGIC: |
| 1222 | * |
| 1223 | * ASSUMPTIONS: |
| 1224 | * |
| 1225 | * NOTE: |
| 1226 | * |
| 1227 | * @param None |
| 1228 | * @return None |
| 1229 | */ |
| 1230 | |
| 1231 | void rrmProcessMessage(tpAniSirGlobal pMac, tpSirMsgQ pMsg) |
| 1232 | { |
| 1233 | switch (pMsg->type) |
| 1234 | { |
| 1235 | case eWNI_SME_NEIGHBOR_REPORT_REQ_IND: |
| 1236 | rrmProcessNeighborReportReq( pMac, pMsg->bodyptr ); |
| 1237 | break; |
| 1238 | case eWNI_SME_BEACON_REPORT_RESP_XMIT_IND: |
| 1239 | rrmProcessBeaconReportXmit( pMac, pMsg->bodyptr ); |
| 1240 | break; |
| 1241 | } |
| 1242 | |
| 1243 | } |
| 1244 | |
| 1245 | #endif |