Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 2 | * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 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 | /**========================================================================= |
| 25 | |
| 26 | \file sme_Rrm.c |
| 27 | |
| 28 | \brief implementation for SME RRM APIs |
| 29 | |
| 30 | Copyright 2008 (c) Qualcomm, Incorporated. All Rights Reserved. |
| 31 | |
| 32 | Qualcomm Confidential and Proprietary. |
| 33 | |
| 34 | ========================================================================*/ |
| 35 | |
| 36 | /* $Header$ */ |
| 37 | |
| 38 | #if defined WLAN_FEATURE_VOWIFI |
| 39 | /*-------------------------------------------------------------------------- |
| 40 | Include Files |
| 41 | ------------------------------------------------------------------------*/ |
| 42 | #ifdef FEATURE_WLAN_NON_INTEGRATED_SOC |
| 43 | #include "halInternal.h" |
| 44 | #endif |
| 45 | #include "aniGlobal.h" |
| 46 | #include "smeInside.h" |
| 47 | #include "sme_Api.h" |
| 48 | #include "smsDebug.h" |
| 49 | #include "cfgApi.h" |
| 50 | |
| 51 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 52 | #include "vos_diag_core_event.h" |
| 53 | #include "vos_diag_core_log.h" |
| 54 | #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |
| 55 | |
| 56 | #include "csrInsideApi.h" |
| 57 | |
| 58 | #include "rrmGlobal.h" |
| 59 | |
| 60 | #ifdef FEATURE_WLAN_CCX |
| 61 | #include "csrCcx.h" |
| 62 | #endif |
| 63 | |
| 64 | /* Roam score for a neighbor AP will be calculated based on the below definitions. |
| 65 | The calculated roam score will be used to select the roamable candidate from neighbor AP list */ |
| 66 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_REACHABILITY 0 /* When we support 11r over the DS, this should have a non-zero value */ |
| 67 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_SECURITY 10 |
| 68 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_KEY_SCOPE 20 |
| 69 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_SPECTRUM_MGMT 0 /* Not used */ |
| 70 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_QOS 5 |
| 71 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_APSD 3 |
| 72 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_RRM 8 |
| 73 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_DELAYED_BA 0 /* We dont support delayed BA */ |
| 74 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_IMMEDIATE_BA 3 |
| 75 | #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_MOBILITY_DOMAIN 30 |
| 76 | |
| 77 | #ifdef FEATURE_WLAN_CCX |
| 78 | #define RRM_ROAM_SCORE_NEIGHBOR_IAPP_LIST 30 |
| 79 | #endif |
| 80 | /**--------------------------------------------------------------------------- |
| 81 | |
| 82 | \brief rrmLLPurgeNeighborCache() - |
| 83 | This function purges all the entries in the neighbor cache and frees up all the internal nodes |
| 84 | |
| 85 | \param - pMac - Pointer to the Hal Handle. |
| 86 | - pList - Pointer the List that should be purged. |
| 87 | \return - void |
| 88 | |
| 89 | --------------------------------------------------------------------------*/ |
| 90 | static void rrmLLPurgeNeighborCache(tpAniSirGlobal pMac, tDblLinkList *pList) |
| 91 | { |
| 92 | tListElem *pEntry; |
| 93 | tRrmNeighborReportDesc *pNeighborReportDesc; |
| 94 | |
| 95 | csrLLLock(pList); |
| 96 | |
| 97 | while((pEntry = csrLLRemoveHead(pList, LL_ACCESS_NOLOCK)) != NULL) |
| 98 | { |
| 99 | pNeighborReportDesc = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| 100 | vos_mem_free(pNeighborReportDesc->pNeighborBssDescription); |
| 101 | vos_mem_free(pNeighborReportDesc); |
| 102 | } |
| 103 | |
| 104 | csrLLUnlock(pList); |
| 105 | |
| 106 | return; |
| 107 | } |
| 108 | |
| 109 | /**--------------------------------------------------------------------------- |
| 110 | |
| 111 | \brief rrmIndicateNeighborReportResult() - |
| 112 | This function calls the callback register by the caller while requesting for |
| 113 | neighbor report. This function gets invoked if a neighbor report is received from an AP |
| 114 | or neighbor response wait timer expires. |
| 115 | |
| 116 | \param - pMac - Pointer to the Hal Handle. |
| 117 | - vosStatus - VOS_STATUS_SUCCESS/VOS_STATUS_FAILURE based on whether a valid report is |
| 118 | received or neighbor timer expired |
| 119 | \return - void |
| 120 | |
| 121 | --------------------------------------------------------------------------*/ |
| 122 | void rrmIndicateNeighborReportResult(tpAniSirGlobal pMac, VOS_STATUS vosStatus) |
| 123 | { |
| 124 | NeighborReportRspCallback callback; |
| 125 | void *callbackContext; |
| 126 | |
| 127 | /* Reset the neighbor response pending status */ |
| 128 | pMac->rrm.rrmSmeContext.neighborReqControlInfo.isNeighborRspPending = eANI_BOOLEAN_FALSE; |
| 129 | |
| 130 | /* Stop the timer if it is already running. The timer should be running only in the SUCCESS case. */ |
| 131 | if (VOS_TIMER_STATE_RUNNING == vos_timer_getCurrentState(&pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspWaitTimer)) |
| 132 | { |
| 133 | VOS_ASSERT(VOS_STATUS_SUCCESS == vosStatus); |
| 134 | vos_timer_stop(&pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspWaitTimer); |
| 135 | } |
| 136 | callback = pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallback; |
| 137 | callbackContext = pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallbackContext; |
| 138 | |
| 139 | /* Reset the callback and the callback context before calling the callback. It is very likely that there may be a registration in |
| 140 | callback itself. */ |
| 141 | pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallback = NULL; |
| 142 | pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallbackContext = NULL; |
| 143 | |
| 144 | /* Call the callback with the status received from caller */ |
| 145 | if (callback) |
| 146 | callback(callbackContext, vosStatus); |
| 147 | #ifdef FEATURE_WLAN_CCX |
| 148 | // We came here with IAPP AP List |
| 149 | // Make sure we inform CSR of the neighbor list |
| 150 | // for CCX Associations. First clear the cache. |
| 151 | else |
| 152 | if (csrNeighborRoamIsCCXAssoc(pMac)) |
| 153 | { |
| 154 | ProcessIAPPNeighborAPList(pMac); |
| 155 | } |
| 156 | #endif |
| 157 | |
| 158 | return; |
| 159 | |
| 160 | } |
| 161 | |
| 162 | /**--------------------------------------------------------------------------- |
| 163 | |
| 164 | \brief sme_RrmBeaconReportXmitInd() - |
| 165 | |
| 166 | Create and send the beacon report Xmit ind message to PE. |
| 167 | |
| 168 | \param - pMac - Pointer to the Hal Handle. |
| 169 | - pResult - scan result. |
| 170 | - measurementDone - flag to indicate that the measurement is done. |
| 171 | \return - 0 for success, non zero for failure |
| 172 | |
| 173 | --------------------------------------------------------------------------*/ |
| 174 | static eHalStatus sme_RrmSendBeaconReportXmitInd( tpAniSirGlobal pMac, tCsrScanResultInfo **pResultArr, tANI_U8 measurementDone ) |
| 175 | { |
| 176 | tpSirBssDescription pBssDesc = NULL; |
| 177 | tpSirBeaconReportXmitInd pBeaconRep; |
| 178 | tANI_U16 length, ie_len; |
| 179 | tANI_U8 bssCounter=0, msgCounter=0; |
| 180 | tCsrScanResultInfo *pCurResult=NULL; |
| 181 | eHalStatus status = eHAL_STATUS_FAILURE; |
| 182 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 183 | |
| 184 | |
| 185 | #if defined WLAN_VOWIFI_DEBUG |
| 186 | smsLog( pMac, LOGE, "Beacon report xmit Ind to PE\n"); |
| 187 | #endif |
| 188 | |
| 189 | if( NULL == pResultArr && !measurementDone ) |
| 190 | { |
| 191 | smsLog( pMac, LOGE, "Beacon report xmit Ind to PE Failed\n"); |
| 192 | return eHAL_STATUS_FAILURE; |
| 193 | } |
| 194 | |
| 195 | if (pResultArr) |
| 196 | pCurResult=pResultArr[bssCounter]; |
| 197 | |
| 198 | do |
| 199 | { |
| 200 | length = sizeof(tSirBeaconReportXmitInd); |
| 201 | pBeaconRep = vos_mem_malloc ( length ); |
| 202 | if ( NULL == pBeaconRep ) |
| 203 | { |
| 204 | smsLog( pMac, LOGP, "Unable to allocate memory for beacon report"); |
| 205 | return eHAL_STATUS_FAILED_ALLOC; |
| 206 | } |
| 207 | vos_mem_zero( pBeaconRep, length ); |
| 208 | #if defined WLAN_VOWIFI_DEBUG |
| 209 | smsLog( pMac, LOGE, FL("Allocated memory for pBeaconRep\n")); |
| 210 | #endif |
| 211 | pBeaconRep->messageType = eWNI_SME_BEACON_REPORT_RESP_XMIT_IND; |
| 212 | pBeaconRep->length = length; |
| 213 | pBeaconRep->uDialogToken = pSmeRrmContext->token; |
| 214 | pBeaconRep->duration = pSmeRrmContext->duration; |
| 215 | pBeaconRep->regClass = pSmeRrmContext->regClass; |
| 216 | vos_mem_copy( pBeaconRep->bssId, pSmeRrmContext->sessionBssId, sizeof(tSirMacAddr) ); |
| 217 | |
| 218 | msgCounter=0; |
| 219 | while (pCurResult) |
| 220 | { |
| 221 | pBssDesc = &pCurResult->BssDescriptor; |
| 222 | ie_len = GET_IE_LEN_IN_BSS( pBssDesc->length ); |
| 223 | pBeaconRep->pBssDescription[msgCounter] = vos_mem_malloc ( ie_len+sizeof(tSirBssDescription) ); |
| 224 | vos_mem_copy( pBeaconRep->pBssDescription[msgCounter], pBssDesc, sizeof(tSirBssDescription) ); |
| 225 | vos_mem_copy( &pBeaconRep->pBssDescription[msgCounter]->ieFields[0], pBssDesc->ieFields, ie_len ); |
| 226 | |
| 227 | pBeaconRep->numBssDesc++; |
| 228 | |
| 229 | if (++msgCounter >= SIR_BCN_REPORT_MAX_BSS_DESC) |
| 230 | break; |
| 231 | |
| 232 | if (csrRoamIs11rAssoc(pMac)) { |
| 233 | break; |
| 234 | } |
| 235 | |
| 236 | pCurResult = pResultArr[msgCounter]; |
| 237 | } |
| 238 | |
| 239 | bssCounter+=msgCounter; |
| 240 | if (!pResultArr || !pCurResult || (bssCounter>=SIR_BCN_REPORT_MAX_BSS_DESC)) |
| 241 | pCurResult = NULL; |
| 242 | else |
| 243 | pCurResult = pResultArr[bssCounter]; |
| 244 | |
| 245 | pBeaconRep->fMeasureDone = (pCurResult)?false:measurementDone; |
| 246 | |
| 247 | status = palSendMBMessage(pMac->hHdd, pBeaconRep); |
| 248 | |
| 249 | smsLog( pMac, LOGW, "SME Sent BcnRepXmit to PE numBss %d\n", pBeaconRep->numBssDesc); |
| 250 | |
| 251 | } while (pCurResult); |
| 252 | |
| 253 | return status; |
| 254 | } |
| 255 | |
| 256 | /**--------------------------------------------------------------------------- |
| 257 | |
| 258 | \brief sme_RrmSendScanRequest() - |
| 259 | |
| 260 | This function is called to get the scan result from CSR and send the beacon report |
| 261 | xmit ind message to PE. |
| 262 | |
| 263 | \param - pMac - Pointer to the Hal Handle. |
| 264 | - num_chan - number of channels. |
| 265 | - channel list - list of channels to fetch the result from. |
| 266 | - measurementDone - flag to indicate that the measurement is done. |
| 267 | \return - 0 for success, non zero for failure |
| 268 | |
| 269 | --------------------------------------------------------------------------*/ |
| 270 | static eHalStatus sme_RrmSendScanResult( tpAniSirGlobal pMac, tANI_U8 num_chan, tANI_U8* chanList, tANI_U8 measurementDone ) |
| 271 | { |
| 272 | tCsrScanResultFilter filter; |
| 273 | tScanResultHandle pResult; |
| 274 | tCsrScanResultInfo *pScanResult, *pNextResult; |
| 275 | tCsrScanResultInfo *pScanResultsArr[SIR_BCN_REPORT_MAX_BSS_DESC]; |
| 276 | eHalStatus status; |
| 277 | tANI_U8 counter=0; |
| 278 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 279 | tANI_U32 sessionId; |
| 280 | |
| 281 | #if defined WLAN_VOWIFI_DEBUG |
| 282 | smsLog( pMac, LOGE, "Send scan result to PE \n"); |
| 283 | #endif |
| 284 | |
| 285 | vos_mem_zero( &filter, sizeof(filter) ); |
| 286 | vos_mem_zero( pScanResultsArr, sizeof(pNextResult)*SIR_BCN_REPORT_MAX_BSS_DESC ); |
| 287 | |
| 288 | filter.BSSIDs.numOfBSSIDs = 1; |
| 289 | filter.BSSIDs.bssid = &pSmeRrmContext->bssId; |
| 290 | |
| 291 | if( pSmeRrmContext->ssId.length ) |
| 292 | { |
| 293 | filter.SSIDs.SSIDList =( tCsrSSIDInfo *)vos_mem_malloc(sizeof(tCsrSSIDInfo)); |
| 294 | if( filter.SSIDs.SSIDList == NULL ) |
| 295 | { |
| 296 | smsLog( pMac, LOGP, FL("vos_mem_malloc failed:") ); |
| 297 | return eHAL_STATUS_FAILURE; |
| 298 | } |
| 299 | #if defined WLAN_VOWIFI_DEBUG |
| 300 | smsLog( pMac, LOGE, FL("Allocated memory for SSIDList\n")); |
| 301 | #endif |
| 302 | vos_mem_zero( filter.SSIDs.SSIDList, sizeof(tCsrSSIDInfo) ); |
| 303 | |
| 304 | filter.SSIDs.SSIDList->SSID.length = pSmeRrmContext->ssId.length; |
| 305 | vos_mem_copy(filter.SSIDs.SSIDList->SSID.ssId, pSmeRrmContext->ssId.ssId, pSmeRrmContext->ssId.length); |
| 306 | filter.SSIDs.numOfSSIDs = 1; |
| 307 | } |
| 308 | else |
| 309 | { |
| 310 | filter.SSIDs.numOfSSIDs = 0; |
| 311 | } |
| 312 | |
| 313 | filter.ChannelInfo.numOfChannels = num_chan; |
| 314 | filter.ChannelInfo.ChannelList = chanList; |
| 315 | |
| 316 | filter.fMeasurement = TRUE; |
| 317 | |
| 318 | csrRoamGetSessionIdFromBSSID( pMac, (tCsrBssid*)pSmeRrmContext->sessionBssId, &sessionId ); |
| 319 | status = sme_ScanGetResult(pMac, (tANI_U8)sessionId, &filter, &pResult); |
| 320 | |
| 321 | if( filter.SSIDs.SSIDList ) |
| 322 | { |
| 323 | //Free the memory allocated for SSIDList. |
| 324 | vos_mem_free( filter.SSIDs.SSIDList ); |
| 325 | #if defined WLAN_VOWIFI_DEBUG |
| 326 | smsLog( pMac, LOGE, FL("Free memory for SSIDList\n") ); |
| 327 | #endif |
| 328 | } |
| 329 | |
| 330 | if (NULL == pResult) |
| 331 | { |
| 332 | // no scan results |
| 333 | // |
| 334 | // Spec. doesnt say anything about such condition. |
| 335 | // Since section 7.4.6.2 (IEEE802.11k-2008) says-rrm report frame should contain |
| 336 | // one or more report IEs. It probably means dont send any respose if no matching |
| 337 | // BSS found. Moreover, there is no flag or field in measurement report IE(7.3.2.22) |
| 338 | // OR beacon report IE(7.3.2.22.6) that can be set to indicate no BSS found on a given channel. |
| 339 | // |
| 340 | // If we finished measurement on all the channels, we still need to |
| 341 | // send a xmit indication with moreToFollow set to MEASURMENT_DONE |
| 342 | // so that PE can clean any context allocated. |
| 343 | if( measurementDone ) |
| 344 | status = sme_RrmSendBeaconReportXmitInd( pMac, NULL, measurementDone ); |
| 345 | return status; |
| 346 | } |
| 347 | |
| 348 | pScanResult = sme_ScanResultGetFirst(pMac, pResult); |
| 349 | |
| 350 | if( NULL == pScanResult && measurementDone ) |
| 351 | status = sme_RrmSendBeaconReportXmitInd( pMac, NULL, measurementDone ); |
| 352 | |
| 353 | counter=0; |
| 354 | while (pScanResult) |
| 355 | { |
| 356 | pNextResult = sme_ScanResultGetNext(pMac, pResult); |
| 357 | pScanResultsArr[counter++] = pScanResult; |
| 358 | pScanResult = pNextResult; //sme_ScanResultGetNext(hHal, pResult); |
| 359 | if (counter >= SIR_BCN_REPORT_MAX_BSS_DESC) |
| 360 | break; |
| 361 | } |
| 362 | |
| 363 | if (counter) |
| 364 | status = sme_RrmSendBeaconReportXmitInd( pMac, pScanResultsArr, measurementDone); |
| 365 | |
| 366 | sme_ScanResultPurge(pMac, pResult); |
| 367 | |
| 368 | return status; |
| 369 | } |
| 370 | /**--------------------------------------------------------------------------- |
| 371 | |
| 372 | \brief sme_RrmScanRequestCallback() - |
| 373 | |
| 374 | The sme module calls this callback function once it finish the scan request |
| 375 | and this function send the beacon report xmit to PE and starts a timer of |
| 376 | random interval to issue next request. |
| 377 | |
| 378 | \param - halHandle - Pointer to the Hal Handle. |
| 379 | - pContext - Pointer to the data context. |
| 380 | - scanId - Scan ID. |
| 381 | - status - CSR Status. |
| 382 | \return - 0 for success, non zero for failure |
| 383 | |
| 384 | --------------------------------------------------------------------------*/ |
| 385 | |
| 386 | static eHalStatus sme_RrmScanRequestCallback(tHalHandle halHandle, void *pContext, |
| 387 | tANI_U32 scanId, eCsrScanStatus status) |
| 388 | { |
| 389 | |
| 390 | tANI_U16 interval; |
| 391 | tpAniSirGlobal pMac = (tpAniSirGlobal) halHandle; |
| 392 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 393 | tANI_U32 time_tick; |
| 394 | |
| 395 | |
| 396 | |
| 397 | #if defined WLAN_VOWIFI_DEBUG |
| 398 | smsLog( pMac, LOGE, "Scan Request callback \n"); |
| 399 | #endif |
| 400 | //if any more channels are pending, start a timer of a random value within randomization interval. |
| 401 | // |
| 402 | // |
| 403 | if( (pSmeRrmContext->currentIndex + 1) < pSmeRrmContext->channelList.numOfChannels ) |
| 404 | { |
| 405 | sme_RrmSendScanResult( pMac, 1, &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex], false ); |
| 406 | |
| 407 | pSmeRrmContext->currentIndex++; //Advance the current index. |
| 408 | //start the timer to issue next request. |
| 409 | //From timer tick get a random number within 10ms and max randmization interval. |
| 410 | time_tick = vos_timer_get_system_ticks(); |
| 411 | interval = time_tick % (pSmeRrmContext->randnIntvl - 10 + 1) + 10; |
| 412 | |
| 413 | #if defined WLAN_VOWIFI_DEBUG |
| 414 | smsLog( pMac, LOGE, "Set timer for interval %d \n", interval); |
| 415 | #endif |
| 416 | vos_timer_start( &pSmeRrmContext->IterMeasTimer, interval ); |
| 417 | |
| 418 | } |
| 419 | else |
| 420 | { |
| 421 | //Done with the measurement. Clean up all context and send a message to PE with measurement done flag set. |
| 422 | sme_RrmSendScanResult( pMac, 1, &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex], true ); |
| 423 | vos_mem_free( pSmeRrmContext->channelList.ChannelList ); |
| 424 | #if defined WLAN_VOWIFI_DEBUG |
| 425 | smsLog( pMac, LOGE, FL("Free memory for ChannelList\n") ); |
| 426 | #endif |
| 427 | } |
| 428 | |
| 429 | return eHAL_STATUS_SUCCESS; |
| 430 | } |
| 431 | |
| 432 | /*-------------------------------------------------------------------------- |
| 433 | \brief sme_RrmIssueScanReq() - This is called to send a scan request as part |
| 434 | of beacon report request . |
| 435 | |
| 436 | \param |
| 437 | |
| 438 | \return eHAL_STATUS_SUCCESS - Validation is successful. |
| 439 | |
| 440 | \sa |
| 441 | |
| 442 | --------------------------------------------------------------------------*/ |
| 443 | eHalStatus sme_RrmIssueScanReq( tpAniSirGlobal pMac ) |
| 444 | { |
| 445 | //Issue scan request. |
| 446 | tCsrScanRequest scanRequest; |
| 447 | v_U32_t scanId = 0; |
| 448 | eHalStatus status = eHAL_STATUS_SUCCESS; |
| 449 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 450 | tANI_U32 sessionId; |
| 451 | |
| 452 | #if defined WLAN_VOWIFI_DEBUG |
| 453 | smsLog( pMac, LOGE, "Issue scan request \n" ); |
| 454 | #endif |
| 455 | |
| 456 | vos_mem_zero( &scanRequest, sizeof(scanRequest)); |
| 457 | |
| 458 | /* set scanType, active or passive */ |
| 459 | |
| 460 | scanRequest.scanType = pSmeRrmContext->measMode; |
| 461 | |
| 462 | vos_mem_copy(scanRequest.bssid, |
| 463 | pSmeRrmContext->bssId, sizeof(scanRequest.bssid) ); |
| 464 | |
| 465 | if( pSmeRrmContext->ssId.length ) |
| 466 | { |
| 467 | scanRequest.SSIDs.numOfSSIDs = 1; |
| 468 | scanRequest.SSIDs.SSIDList =( tCsrSSIDInfo *)vos_mem_malloc(sizeof(tCsrSSIDInfo)); |
| 469 | if( scanRequest.SSIDs.SSIDList == NULL ) |
| 470 | { |
| 471 | smsLog( pMac, LOGP, FL("vos_mem_malloc failed:") ); |
| 472 | return eHAL_STATUS_FAILURE; |
| 473 | } |
| 474 | #if defined WLAN_VOWIFI_DEBUG |
| 475 | smsLog( pMac, LOGE, FL("Allocated memory for pSSIDList\n")); |
| 476 | #endif |
| 477 | vos_mem_zero( scanRequest.SSIDs.SSIDList, sizeof(tCsrSSIDInfo) ); |
| 478 | scanRequest.SSIDs.SSIDList->SSID.length = pSmeRrmContext->ssId.length; |
| 479 | vos_mem_copy(scanRequest.SSIDs.SSIDList->SSID.ssId, pSmeRrmContext->ssId.ssId, pSmeRrmContext->ssId.length); |
| 480 | } |
| 481 | |
| 482 | /* set min and max channel time */ |
| 483 | scanRequest.minChnTime = 0; //pSmeRrmContext->duration; Dont use min timeout. |
| 484 | scanRequest.maxChnTime = pSmeRrmContext->duration; |
| 485 | #if defined WLAN_VOWIFI_DEBUG |
| 486 | smsLog( pMac, LOGE, "For Duration %d \n", pSmeRrmContext->duration ); |
| 487 | #endif |
| 488 | |
| 489 | /* set BSSType to default type */ |
| 490 | scanRequest.BSSType = eCSR_BSS_TYPE_ANY; |
| 491 | |
| 492 | /*Scan all the channels */ |
| 493 | scanRequest.ChannelInfo.numOfChannels = 1; |
| 494 | |
| 495 | scanRequest.ChannelInfo.ChannelList = &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex]; |
| 496 | #if defined WLAN_VOWIFI_DEBUG |
| 497 | smsLog( pMac, LOGE, "On channel %d \n", pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex] ); |
| 498 | #endif |
| 499 | |
| 500 | /* set requestType to full scan */ |
| 501 | scanRequest.requestType = eCSR_SCAN_REQUEST_FULL_SCAN; |
| 502 | |
| 503 | csrRoamGetSessionIdFromBSSID( pMac, (tCsrBssid*)pSmeRrmContext->sessionBssId, &sessionId ); |
| 504 | status = sme_ScanRequest( pMac, (tANI_U8)sessionId, &scanRequest, &scanId, &sme_RrmScanRequestCallback, NULL ); |
| 505 | |
| 506 | if ( pSmeRrmContext->ssId.length ) |
| 507 | { |
| 508 | vos_mem_free(scanRequest.SSIDs.SSIDList); |
| 509 | #if defined WLAN_VOWIFI_DEBUG |
| 510 | smsLog( pMac, LOGE, FL("Free memory for SSIDList\n")); |
| 511 | #endif |
| 512 | } |
| 513 | |
| 514 | return status; |
| 515 | } |
| 516 | |
| 517 | /*-------------------------------------------------------------------------- |
| 518 | \brief sme_RrmProcessBeaconReportReqInd() - This is called to process the Beacon |
| 519 | report request from peer AP forwarded through PE . |
| 520 | |
| 521 | \param pMsgBuf - a pointer to a buffer that maps to various structures base |
| 522 | on the message type. |
| 523 | The beginning of the buffer can always map to tSirSmeRsp. |
| 524 | |
| 525 | \return eHAL_STATUS_SUCCESS - Validation is successful. |
| 526 | |
| 527 | \sa |
| 528 | |
| 529 | --------------------------------------------------------------------------*/ |
| 530 | void sme_RrmProcessBeaconReportReqInd(tpAniSirGlobal pMac, void *pMsgBuf) |
| 531 | { |
| 532 | tpSirBeaconReportReqInd pBeaconReq = (tpSirBeaconReportReqInd) pMsgBuf; |
| 533 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 534 | tANI_U32 len,i; |
| 535 | |
| 536 | #if defined WLAN_VOWIFI_DEBUG |
| 537 | smsLog( pMac, LOGE, "Received Beacon report request ind Channel = %d\n", pBeaconReq->channelInfo.channelNum ); |
| 538 | #endif |
| 539 | //section 11.10.8.1 (IEEE Std 802.11k-2008) |
| 540 | //channel 0 and 255 has special meaning. |
| 541 | if( (pBeaconReq->channelInfo.channelNum == 0) || |
| 542 | ((pBeaconReq->channelInfo.channelNum == 255) && (pBeaconReq->channelList.numChannels == 0) ) ) |
| 543 | { |
| 544 | //Add all the channel in the regulatory domain. |
| 545 | wlan_cfgGetStrLen( pMac, WNI_CFG_VALID_CHANNEL_LIST, &len ); |
| 546 | pSmeRrmContext->channelList.ChannelList = vos_mem_malloc( len ); |
| 547 | if( pSmeRrmContext->channelList.ChannelList == NULL ) |
| 548 | { |
| 549 | smsLog( pMac, LOGP, FL("vos_mem_malloc failed:") ); |
| 550 | return; |
| 551 | } |
| 552 | #if defined WLAN_VOWIFI_DEBUG |
| 553 | smsLog( pMac, LOGE, FL("Allocated memory for ChannelList\n") ); |
| 554 | #endif |
| 555 | csrGetCfgValidChannels( pMac, pSmeRrmContext->channelList.ChannelList, &len ); |
| 556 | pSmeRrmContext->channelList.numOfChannels = (tANI_U8)len; |
| 557 | #if defined WLAN_VOWIFI_DEBUG |
| 558 | smsLog( pMac, LOGE, "channel == 0 perfoming on all channels \n"); |
| 559 | #endif |
| 560 | } |
| 561 | else |
| 562 | { |
| 563 | len = 0; |
| 564 | pSmeRrmContext->channelList.numOfChannels = 0; |
| 565 | |
| 566 | //If valid channel is present. We firt Measure on the given channel. and |
| 567 | //if there are additional channels present in APchannelreport, measure on these also. |
| 568 | if ( pBeaconReq->channelInfo.channelNum != 255 ) |
| 569 | len = 1; |
| 570 | #if defined WLAN_VOWIFI_DEBUG |
| 571 | else |
| 572 | smsLog( pMac, LOGE, "channel == 255 \n"); |
| 573 | #endif |
| 574 | |
| 575 | len += pBeaconReq->channelList.numChannels; |
| 576 | |
| 577 | pSmeRrmContext->channelList.ChannelList = vos_mem_malloc( len ); |
| 578 | if( pSmeRrmContext->channelList.ChannelList == NULL ) |
| 579 | { |
| 580 | smsLog( pMac, LOGP, FL("vos_mem_malloc failed") ); |
| 581 | return; |
| 582 | } |
| 583 | #if defined WLAN_VOWIFI_DEBUG |
| 584 | smsLog( pMac, LOGE, FL("Allocated memory for ChannelList\n") ); |
| 585 | #endif |
| 586 | |
| 587 | if ( pBeaconReq->channelInfo.channelNum != 255 ) |
| 588 | { |
| 589 | #if defined WLAN_VOWIFI_DEBUG |
| 590 | smsLog( pMac, LOGE, "channel == %d \n", pBeaconReq->channelInfo.channelNum ); |
| 591 | #endif |
| 592 | if(csrRoamIsChannelValid( pMac, pBeaconReq->channelInfo.channelNum )) |
| 593 | pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->channelList.numOfChannels++] = pBeaconReq->channelInfo.channelNum; |
| 594 | #if defined WLAN_VOWIFI_DEBUG |
| 595 | else |
| 596 | smsLog( pMac, LOGE, "is Invalid channel, Ignoring this channel\n" ); |
| 597 | #endif |
| 598 | } |
| 599 | |
| 600 | for ( i = 0 ; i < pBeaconReq->channelList.numChannels; i++ ) |
| 601 | { |
| 602 | if(csrRoamIsChannelValid( pMac, pBeaconReq->channelList.channelNumber[i] )) |
| 603 | { |
| 604 | pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->channelList.numOfChannels] = pBeaconReq->channelList.channelNumber[i]; |
| 605 | pSmeRrmContext->channelList.numOfChannels++; |
| 606 | } |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | //Copy session bssid |
| 611 | vos_mem_copy( pSmeRrmContext->sessionBssId, pBeaconReq->bssId, sizeof(tSirMacAddr) ); |
| 612 | |
| 613 | //copy measurement bssid |
| 614 | vos_mem_copy( pSmeRrmContext->bssId, pBeaconReq->macaddrBssid, sizeof(tSirMacAddr) ); |
| 615 | |
| 616 | //Copy ssid |
| 617 | vos_mem_copy( &pSmeRrmContext->ssId, &pBeaconReq->ssId, sizeof(tAniSSID) ); |
| 618 | |
| 619 | pSmeRrmContext->token = pBeaconReq->uDialogToken; |
| 620 | pSmeRrmContext->regClass = pBeaconReq->channelInfo.regulatoryClass; |
| 621 | |
| 622 | switch( pBeaconReq->fMeasurementtype ) |
| 623 | { |
| 624 | case 0: //Passive |
| 625 | case 1: //Active |
| 626 | pSmeRrmContext->measMode = pBeaconReq->fMeasurementtype? eSIR_ACTIVE_SCAN : eSIR_PASSIVE_SCAN ; |
| 627 | pSmeRrmContext->duration = pBeaconReq->measurementDuration; |
| 628 | pSmeRrmContext->randnIntvl = VOS_MAX( pBeaconReq->randomizationInterval, pSmeRrmContext->rrmConfig.maxRandnInterval ); |
| 629 | pSmeRrmContext->currentIndex = 0; |
| 630 | #if defined WLAN_VOWIFI_DEBUG |
| 631 | smsLog( pMac, LOGE, "Send beacon report after scan \n" ); |
| 632 | #endif |
| 633 | sme_RrmIssueScanReq( pMac ); |
| 634 | break; |
| 635 | case 2: //Table |
| 636 | //Get the current scan results for the given channel and send it. |
| 637 | #if defined WLAN_VOWIFI_DEBUG |
| 638 | smsLog( pMac, LOGE, "Send beacon report from table \n" ); |
| 639 | #endif |
| 640 | sme_RrmSendScanResult( pMac, pSmeRrmContext->channelList.numOfChannels, pSmeRrmContext->channelList.ChannelList, true ); |
| 641 | vos_mem_free( pSmeRrmContext->channelList.ChannelList ); |
| 642 | #if defined WLAN_VOWIFI_DEBUG |
| 643 | smsLog( pMac, LOGE, FL("Free memory for ChannelList\n") ); |
| 644 | #endif |
| 645 | break; |
| 646 | default: |
| 647 | #if defined WLAN_VOWIFI_DEBUG |
| 648 | smsLog( pMac, LOGE, "Unknown beacon report request mode\n"); |
| 649 | #endif |
| 650 | /* Indicate measurement completion to PE */ |
| 651 | /* If this is not done, pCurrentReq pointer will not be freed and |
| 652 | PE will not handle subsequent Beacon requests */ |
| 653 | sme_RrmSendBeaconReportXmitInd(pMac, NULL, true); |
| 654 | break; |
| 655 | |
| 656 | } |
| 657 | |
| 658 | return; |
| 659 | } |
| 660 | |
| 661 | /*-------------------------------------------------------------------------- |
| 662 | \brief sme_RrmNeighborReportRequest() - This is API can be used to trigger a |
| 663 | Neighbor report from the peer. |
| 664 | |
| 665 | \param sessionId - session identifier on which the request should be made. |
| 666 | \param pNeighborReq - a pointer to a neighbor report request. |
| 667 | |
| 668 | \return eHAL_STATUS_SUCCESS - Validation is successful. |
| 669 | |
| 670 | \sa |
| 671 | |
| 672 | --------------------------------------------------------------------------*/ |
| 673 | VOS_STATUS sme_RrmNeighborReportRequest(tpAniSirGlobal pMac, tANI_U8 sessionId, |
| 674 | tpRrmNeighborReq pNeighborReq, tpRrmNeighborRspCallbackInfo callbackInfo) |
| 675 | { |
| 676 | eHalStatus status = eHAL_STATUS_SUCCESS; |
| 677 | tpSirNeighborReportReqInd pMsg; |
| 678 | tCsrRoamSession *pSession; |
| 679 | |
| 680 | #if defined WLAN_VOWIFI_DEBUG |
| 681 | smsLog( pMac, LOGE, FL("Request to send Neighbor report request received \n")); |
| 682 | #endif |
| 683 | if( !CSR_IS_SESSION_VALID( pMac, sessionId ) ) |
| 684 | { |
| 685 | smsLog( pMac, LOGE, FL("Invalid session %d\n"), sessionId ); |
| 686 | return VOS_STATUS_E_INVAL; |
| 687 | } |
| 688 | pSession = CSR_GET_SESSION( pMac, sessionId ); |
| 689 | |
| 690 | /* If already a report is pending, return failure */ |
| 691 | if (eANI_BOOLEAN_TRUE == pMac->rrm.rrmSmeContext.neighborReqControlInfo.isNeighborRspPending) |
| 692 | { |
| 693 | smsLog( pMac, LOGE, FL("Neighbor request already pending.. Not allowed")); |
| 694 | return VOS_STATUS_E_AGAIN; |
| 695 | } |
| 696 | |
| 697 | pMsg = vos_mem_malloc ( sizeof(tSirNeighborReportReqInd) ); |
| 698 | if ( NULL == pMsg ) |
| 699 | { |
| 700 | smsLog( pMac, LOGE, "Unable to allocate memory for Neighbor request"); |
| 701 | return VOS_STATUS_E_NOMEM; |
| 702 | } |
| 703 | |
| 704 | |
| 705 | vos_mem_zero( pMsg, sizeof(tSirNeighborReportReqInd) ); |
| 706 | #if defined WLAN_VOWIFI_DEBUG |
| 707 | smsLog( pMac, LOGE, FL(" Allocated memory for Neighbor request\n") ); |
| 708 | #endif |
| 709 | |
| 710 | rrmLLPurgeNeighborCache(pMac, &pMac->rrm.rrmSmeContext.neighborReportCache); |
| 711 | |
| 712 | #if defined WLAN_VOWIFI_DEBUG |
| 713 | smsLog( pMac, LOGE, FL("Purged the neighbor cache before sending Neighbor request: Status = %d\n"), status ); |
| 714 | #endif |
| 715 | |
| 716 | pMsg->messageType = eWNI_SME_NEIGHBOR_REPORT_REQ_IND; |
| 717 | pMsg->length = sizeof( tSirNeighborReportReqInd ); |
| 718 | vos_mem_copy( &pMsg->bssId, &pSession->connectedProfile.bssid, sizeof(tSirMacAddr) ); |
| 719 | pMsg->noSSID = pNeighborReq->no_ssid; |
| 720 | vos_mem_copy( &pMsg->ucSSID, &pNeighborReq->ssid, sizeof(tSirMacSSid)); |
| 721 | |
| 722 | status = palSendMBMessage(pMac->hHdd, pMsg); |
| 723 | if( status != eHAL_STATUS_SUCCESS ) |
| 724 | return VOS_STATUS_E_FAILURE; |
| 725 | |
| 726 | /* Neighbor report request message sent successfully to PE. Now register the callbacks */ |
| 727 | pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallback = |
| 728 | callbackInfo->neighborRspCallback; |
| 729 | pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallbackContext = |
| 730 | callbackInfo->neighborRspCallbackContext; |
| 731 | pMac->rrm.rrmSmeContext.neighborReqControlInfo.isNeighborRspPending = eANI_BOOLEAN_TRUE; |
| 732 | |
| 733 | /* Start neighbor response wait timer now */ |
| 734 | vos_timer_start(&pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspWaitTimer, callbackInfo->timeout); |
| 735 | |
| 736 | return VOS_STATUS_SUCCESS; |
| 737 | } |
| 738 | |
| 739 | /*-------------------------------------------------------------------------- |
| 740 | \brief rrmCalculateNeighborAPRoamScore() - This API is called while handling |
| 741 | individual neighbor reports from the APs neighbor AP report to |
| 742 | calculate the cumulative roam score before storing it in neighbor |
| 743 | cache. |
| 744 | |
| 745 | \param pNeighborReportDesc - Neighbor BSS Descriptor node for which roam score |
| 746 | should be calculated |
| 747 | |
| 748 | \return void. |
| 749 | --------------------------------------------------------------------------*/ |
| 750 | static void rrmCalculateNeighborAPRoamScore(tpAniSirGlobal pMac, tpRrmNeighborReportDesc pNeighborReportDesc) |
| 751 | { |
| 752 | tpSirNeighborBssDescripton pNeighborBssDesc; |
| 753 | tANI_U32 roamScore = 0; |
| 754 | |
| 755 | VOS_ASSERT(pNeighborReportDesc != NULL); |
| 756 | VOS_ASSERT(pNeighborReportDesc->pNeighborBssDescription != NULL); |
| 757 | |
| 758 | pNeighborBssDesc = pNeighborReportDesc->pNeighborBssDescription; |
| 759 | |
| 760 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fMobilityDomain) |
| 761 | { |
| 762 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_MOBILITY_DOMAIN; |
| 763 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fSameSecurityMode) |
| 764 | { |
| 765 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_SECURITY; |
| 766 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fSameAuthenticator) |
| 767 | { |
| 768 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_KEY_SCOPE; |
| 769 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapRadioMeasurement) |
| 770 | { |
| 771 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_RRM; |
| 772 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapSpectrumMeasurement) |
| 773 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_SPECTRUM_MGMT; |
| 774 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapQos) |
| 775 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_QOS; |
| 776 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapApsd) |
| 777 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_APSD; |
| 778 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapDelayedBlockAck) |
| 779 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_DELAYED_BA; |
| 780 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapImmediateBlockAck) |
| 781 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_IMMEDIATE_BA; |
| 782 | if (pNeighborBssDesc->bssidInfo.rrmInfo.fApPreauthReachable) |
| 783 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_REACHABILITY; |
| 784 | } |
| 785 | } |
| 786 | } |
| 787 | } |
| 788 | #ifdef FEATURE_WLAN_CCX |
| 789 | // It has come in the report so its the best score |
| 790 | if (csrNeighborRoamIs11rAssoc(pMac) == FALSE) |
| 791 | { |
| 792 | // IAPP Route so lets make use of this info |
| 793 | // save all AP, as the list does not come all the time |
| 794 | // Save and reuse till the next AP List comes to us. |
| 795 | // Even save our own MAC address. Will be useful next time around. |
| 796 | roamScore += RRM_ROAM_SCORE_NEIGHBOR_IAPP_LIST; |
| 797 | } |
| 798 | #endif |
| 799 | pNeighborReportDesc->roamScore = roamScore; |
| 800 | |
| 801 | return; |
| 802 | } |
| 803 | |
| 804 | /*-------------------------------------------------------------------------- |
| 805 | \brief rrmStoreNeighborRptByRoamScore() - This API is called to store a given |
| 806 | Neighbor BSS descriptor to the neighbor cache. This function |
| 807 | stores the neighbor BSS descriptors in such a way that descriptors |
| 808 | are sorted by roamScore in descending order |
| 809 | |
| 810 | \param pNeighborReportDesc - Neighbor BSS Descriptor node to be stored in cache |
| 811 | |
| 812 | \return void. |
| 813 | --------------------------------------------------------------------------*/ |
| 814 | void rrmStoreNeighborRptByRoamScore(tpAniSirGlobal pMac, tpRrmNeighborReportDesc pNeighborReportDesc) |
| 815 | { |
| 816 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 817 | tListElem *pEntry; |
| 818 | tRrmNeighborReportDesc *pTempNeighborReportDesc; |
| 819 | |
| 820 | VOS_ASSERT(pNeighborReportDesc != NULL); |
| 821 | VOS_ASSERT(pNeighborReportDesc->pNeighborBssDescription != NULL); |
| 822 | |
| 823 | if (csrLLIsListEmpty(&pSmeRrmContext->neighborReportCache, LL_ACCESS_LOCK)) |
| 824 | { |
| 825 | smsLog(pMac, LOGE, FL("Neighbor report cache is empty.. Adding a entry now\n")); |
| 826 | /* Neighbor list cache is empty. Insert this entry in the tail */ |
| 827 | csrLLInsertTail(&pSmeRrmContext->neighborReportCache, &pNeighborReportDesc->List, LL_ACCESS_LOCK); |
| 828 | return; |
| 829 | } |
| 830 | else |
| 831 | { |
| 832 | /* Should store the neighbor BSS description in the order sorted by roamScore in descending |
| 833 | order. APs with highest roamScore should be the 1st entry in the list */ |
| 834 | pEntry = csrLLPeekHead(&pSmeRrmContext->neighborReportCache, LL_ACCESS_LOCK); |
| 835 | while (pEntry != NULL) |
| 836 | { |
| 837 | pTempNeighborReportDesc = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| 838 | if (pTempNeighborReportDesc->roamScore < pNeighborReportDesc->roamScore) |
| 839 | break; |
| 840 | pEntry = csrLLNext(&pSmeRrmContext->neighborReportCache, pEntry, LL_ACCESS_LOCK); |
| 841 | } |
| 842 | |
| 843 | if (pEntry) |
| 844 | /* This BSS roamscore is better than something in the list. Insert this before that one */ |
| 845 | csrLLInsertEntry(&pSmeRrmContext->neighborReportCache, pEntry, &pNeighborReportDesc->List, LL_ACCESS_LOCK); |
| 846 | else |
| 847 | /* All the entries in the list has a better roam Score than this one. Insert this at the last */ |
| 848 | csrLLInsertTail(&pSmeRrmContext->neighborReportCache, &pNeighborReportDesc->List, LL_ACCESS_LOCK); |
| 849 | } |
| 850 | return; |
| 851 | } |
| 852 | |
| 853 | /*-------------------------------------------------------------------------- |
| 854 | \brief sme_RrmProcessNeighborReport() - This is called to process the Neighbor |
| 855 | report received from PE. |
| 856 | |
| 857 | \param pMsgBuf - a pointer to a buffer that maps to various structures base |
| 858 | on the message type. |
| 859 | The beginning of the buffer can always map to tSirSmeRsp. |
| 860 | |
| 861 | \return eHAL_STATUS_SUCCESS - Validation is successful. |
| 862 | |
| 863 | \sa |
| 864 | |
| 865 | --------------------------------------------------------------------------*/ |
| 866 | eHalStatus sme_RrmProcessNeighborReport(tpAniSirGlobal pMac, void *pMsgBuf) |
| 867 | { |
| 868 | eHalStatus status = eHAL_STATUS_SUCCESS; |
| 869 | tpSirNeighborReportInd pNeighborRpt = (tpSirNeighborReportInd) pMsgBuf; |
| 870 | tpRrmNeighborReportDesc pNeighborReportDesc; |
| 871 | tANI_U8 i = 0; |
| 872 | VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| 873 | |
| 874 | #ifdef FEATURE_WLAN_CCX |
| 875 | // Clear the cache for CCX. |
| 876 | if (csrNeighborRoamIsCCXAssoc(pMac)) |
| 877 | { |
| 878 | rrmLLPurgeNeighborCache(pMac, |
| 879 | &pMac->rrm.rrmSmeContext.neighborReportCache); |
| 880 | } |
| 881 | #endif |
| 882 | |
| 883 | for (i = 0; i < pNeighborRpt->numNeighborReports; i++) |
| 884 | { |
| 885 | pNeighborReportDesc = vos_mem_malloc(sizeof(tRrmNeighborReportDesc)); |
| 886 | if (NULL == pNeighborReportDesc) |
| 887 | { |
| 888 | smsLog( pMac, LOGE, "Failed to allocate memory for RRM Neighbor report desc\n"); |
| 889 | status = eHAL_STATUS_FAILED_ALLOC; |
| 890 | goto end; |
| 891 | |
| 892 | } |
| 893 | |
| 894 | vos_mem_zero(pNeighborReportDesc, sizeof(tRrmNeighborReportDesc)); |
| 895 | pNeighborReportDesc->pNeighborBssDescription = vos_mem_malloc(sizeof(tSirNeighborBssDescription)); |
| 896 | if (NULL == pNeighborReportDesc->pNeighborBssDescription) |
| 897 | { |
| 898 | smsLog( pMac, LOGE, "Failed to allocate memory for RRM Neighbor report BSS Description\n"); |
| 899 | status = eHAL_STATUS_FAILED_ALLOC; |
| 900 | goto end; |
| 901 | } |
| 902 | vos_mem_zero(pNeighborReportDesc->pNeighborBssDescription, sizeof(tSirNeighborBssDescription)); |
| 903 | vos_mem_copy(pNeighborReportDesc->pNeighborBssDescription, &pNeighborRpt->sNeighborBssDescription[i], |
| 904 | sizeof(tSirNeighborBssDescription)); |
| 905 | |
| 906 | #if defined WLAN_VOWIFI_DEBUG |
| 907 | smsLog( pMac, LOGE, "Received neighbor report with Neighbor BSSID: %02x:%02x:%02x:%02x:%02x:%02x \n", |
| 908 | pNeighborRpt->sNeighborBssDescription[i].bssId[0], |
| 909 | pNeighborRpt->sNeighborBssDescription[i].bssId[1], |
| 910 | pNeighborRpt->sNeighborBssDescription[i].bssId[2], |
| 911 | pNeighborRpt->sNeighborBssDescription[i].bssId[3], |
| 912 | pNeighborRpt->sNeighborBssDescription[i].bssId[4], |
| 913 | pNeighborRpt->sNeighborBssDescription[i].bssId[5]); |
| 914 | #endif |
| 915 | |
| 916 | /* Calculate the roam score based on the BSS Capability in the BSSID Information and store it in Neighbor report Desc */ |
| 917 | rrmCalculateNeighborAPRoamScore(pMac, pNeighborReportDesc); |
| 918 | |
| 919 | /* Store the Neighbor report Desc in the cache based on the roam score */ |
| 920 | if ( pNeighborReportDesc->roamScore > 0) |
| 921 | { |
| 922 | rrmStoreNeighborRptByRoamScore(pMac, pNeighborReportDesc); |
| 923 | } |
| 924 | else |
| 925 | { |
| 926 | smsLog(pMac, LOGE, FL("Roam score of BSSID %02x:%02x:%02x:%02x:%02x:%02x is 0, Ignoring.."), |
| 927 | pNeighborRpt->sNeighborBssDescription[i].bssId[0], |
| 928 | pNeighborRpt->sNeighborBssDescription[i].bssId[1], |
| 929 | pNeighborRpt->sNeighborBssDescription[i].bssId[2], |
| 930 | pNeighborRpt->sNeighborBssDescription[i].bssId[3], |
| 931 | pNeighborRpt->sNeighborBssDescription[i].bssId[4], |
| 932 | pNeighborRpt->sNeighborBssDescription[i].bssId[5]); |
| 933 | |
| 934 | vos_mem_free(pNeighborReportDesc->pNeighborBssDescription); |
| 935 | vos_mem_free(pNeighborReportDesc); |
| 936 | } |
| 937 | } |
| 938 | end: |
| 939 | |
| 940 | if (!csrLLCount(&pMac->rrm.rrmSmeContext.neighborReportCache)) |
| 941 | vosStatus = VOS_STATUS_E_FAILURE; |
| 942 | |
| 943 | /* Received a report from AP. Indicate SUCCESS to the caller if there are some valid reports */ |
| 944 | rrmIndicateNeighborReportResult(pMac, vosStatus); |
| 945 | |
| 946 | return status; |
| 947 | } |
| 948 | /*-------------------------------------------------------------------------- |
| 949 | \brief sme_RrmMsgProcessor() - sme_ProcessMsg() calls this function for the |
| 950 | messages that are handled by SME RRM module. |
| 951 | |
| 952 | \param pMac - Pointer to the global MAC parameter structure. |
| 953 | \param msg_type - the type of msg passed by PE as defined in wniApi.h |
| 954 | \param pMsgBuf - a pointer to a buffer that maps to various structures base |
| 955 | on the message type. |
| 956 | The beginning of the buffer can always map to tSirSmeRsp. |
| 957 | |
| 958 | \return eHAL_STATUS_SUCCESS - Validation is successful. |
| 959 | |
| 960 | \sa |
| 961 | |
| 962 | --------------------------------------------------------------------------*/ |
| 963 | eHalStatus sme_RrmMsgProcessor( tpAniSirGlobal pMac, v_U16_t msg_type, |
| 964 | void *pMsgBuf) |
| 965 | { |
| 966 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_INFO_HIGH, |
| 967 | FL(" Msg = %d for RRM measurement\n") , msg_type ); |
| 968 | |
| 969 | //switch on the msg type & make the state transition accordingly |
| 970 | switch(msg_type) |
| 971 | { |
| 972 | case eWNI_SME_NEIGHBOR_REPORT_IND: |
| 973 | sme_RrmProcessNeighborReport( pMac, pMsgBuf ); |
| 974 | break; |
| 975 | |
| 976 | case eWNI_SME_BEACON_REPORT_REQ_IND: |
| 977 | sme_RrmProcessBeaconReportReqInd( pMac, pMsgBuf ); |
| 978 | break; |
| 979 | |
| 980 | default: |
| 981 | //err msg |
| 982 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, |
| 983 | FL("sme_RrmMsgProcessor:unknown msg type = %d\n"), msg_type); |
| 984 | |
| 985 | break; |
| 986 | } |
| 987 | |
| 988 | return eHAL_STATUS_SUCCESS; |
| 989 | } |
| 990 | |
| 991 | /* --------------------------------------------------------------------------- |
| 992 | |
| 993 | \fn rrmIterMeasTimerHandle |
| 994 | |
| 995 | \brief Timer handler to handlet the timeout condition when a specific BT |
| 996 | |
| 997 | stop event does not come back, in which case to restore back the |
| 998 | |
| 999 | heartbeat timer. |
| 1000 | |
| 1001 | \param pMac - The handle returned by macOpen. |
| 1002 | |
| 1003 | \return VOID |
| 1004 | |
| 1005 | ---------------------------------------------------------------------------*/ |
| 1006 | |
| 1007 | void rrmIterMeasTimerHandle( v_PVOID_t userData ) |
| 1008 | { |
| 1009 | tpAniSirGlobal pMac = (tpAniSirGlobal) userData; |
| 1010 | #if defined WLAN_VOWIFI_DEBUG |
| 1011 | smsLog( pMac, LOGE, "Randomization timer expired...send on next channel \n"); |
| 1012 | #endif |
| 1013 | //Issue a scan req for next channel. |
| 1014 | sme_RrmIssueScanReq( pMac ); |
| 1015 | } |
| 1016 | |
| 1017 | /* --------------------------------------------------------------------------- |
| 1018 | |
| 1019 | \fn rrmNeighborRspTimeoutHandler |
| 1020 | |
| 1021 | \brief Timer handler to handle the timeout condition when a neighbor request is sent |
| 1022 | and no neighbor response is received from the AP |
| 1023 | |
| 1024 | \param pMac - The handle returned by macOpen. |
| 1025 | |
| 1026 | \return VOID |
| 1027 | |
| 1028 | ---------------------------------------------------------------------------*/ |
| 1029 | |
| 1030 | void rrmNeighborRspTimeoutHandler |
| 1031 | ( v_PVOID_t userData ) |
| 1032 | { |
| 1033 | tpAniSirGlobal pMac = (tpAniSirGlobal) userData; |
| 1034 | #if defined WLAN_VOWIFI_DEBUG |
| 1035 | smsLog( pMac, LOGE, "Neighbor Response timed out \n"); |
| 1036 | #endif |
| 1037 | rrmIndicateNeighborReportResult(pMac, VOS_STATUS_E_FAILURE); |
| 1038 | return; |
| 1039 | } |
| 1040 | |
| 1041 | /* --------------------------------------------------------------------------- |
| 1042 | |
| 1043 | \fn rrmOpen |
| 1044 | |
| 1045 | \brief |
| 1046 | |
| 1047 | \param pMac - The handle returned by macOpen. |
| 1048 | |
| 1049 | \return VOS_STATUS |
| 1050 | |
| 1051 | VOS_STATUS_E_FAILURE success |
| 1052 | |
| 1053 | VOS_STATUS_SUCCESS failure |
| 1054 | |
| 1055 | ---------------------------------------------------------------------------*/ |
| 1056 | |
| 1057 | VOS_STATUS rrmOpen (tpAniSirGlobal pMac) |
| 1058 | |
| 1059 | { |
| 1060 | |
| 1061 | VOS_STATUS vosStatus; |
| 1062 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 1063 | eHalStatus halStatus = eHAL_STATUS_SUCCESS; |
| 1064 | |
| 1065 | pSmeRrmContext->rrmConfig.maxRandnInterval = 50; //ms |
| 1066 | |
| 1067 | vosStatus = vos_timer_init( &pSmeRrmContext->IterMeasTimer, |
| 1068 | |
| 1069 | VOS_TIMER_TYPE_SW, |
| 1070 | |
| 1071 | rrmIterMeasTimerHandle, |
| 1072 | |
| 1073 | (void*) pMac); |
| 1074 | |
| 1075 | if (!VOS_IS_STATUS_SUCCESS(vosStatus)) { |
| 1076 | |
| 1077 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, "rrmOpen: Fail to init timer"); |
| 1078 | |
| 1079 | return VOS_STATUS_E_FAILURE; |
| 1080 | } |
| 1081 | |
| 1082 | vosStatus = vos_timer_init( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer, |
| 1083 | |
| 1084 | VOS_TIMER_TYPE_SW, |
| 1085 | |
| 1086 | rrmNeighborRspTimeoutHandler, |
| 1087 | |
| 1088 | (void*) pMac); |
| 1089 | |
| 1090 | if (!VOS_IS_STATUS_SUCCESS(vosStatus)) { |
| 1091 | |
| 1092 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, "rrmOpen: Fail to init timer"); |
| 1093 | |
| 1094 | return VOS_STATUS_E_FAILURE; |
| 1095 | } |
| 1096 | |
| 1097 | pSmeRrmContext->neighborReqControlInfo.isNeighborRspPending = eANI_BOOLEAN_FALSE; |
| 1098 | |
| 1099 | halStatus = csrLLOpen(pMac->hHdd, &pSmeRrmContext->neighborReportCache); |
| 1100 | if (eHAL_STATUS_SUCCESS != halStatus) |
| 1101 | { |
| 1102 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, "rrmOpen: Fail to open neighbor cache result"); |
| 1103 | return VOS_STATUS_E_FAILURE; |
| 1104 | } |
| 1105 | |
| 1106 | return VOS_STATUS_SUCCESS; |
| 1107 | } |
| 1108 | |
| 1109 | |
| 1110 | /* --------------------------------------------------------------------------- |
| 1111 | |
| 1112 | \fn rrmClose |
| 1113 | |
| 1114 | \brief |
| 1115 | |
| 1116 | \param pMac - The handle returned by macOpen. |
| 1117 | |
| 1118 | \return VOS_STATUS |
| 1119 | |
| 1120 | VOS_STATUS_E_FAILURE success |
| 1121 | |
| 1122 | VOS_STATUS_SUCCESS failure |
| 1123 | |
| 1124 | ---------------------------------------------------------------------------*/ |
| 1125 | |
| 1126 | VOS_STATUS rrmClose (tpAniSirGlobal pMac) |
| 1127 | |
| 1128 | { |
| 1129 | |
| 1130 | VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| 1131 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 1132 | |
| 1133 | if( VOS_TIMER_STATE_RUNNING == vos_timer_getCurrentState( &pSmeRrmContext->IterMeasTimer ) ) |
| 1134 | { |
| 1135 | vosStatus = vos_timer_stop( &pSmeRrmContext->IterMeasTimer ); |
| 1136 | if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
Jeff Johnson | 04dd8a8 | 2012-06-29 20:41:40 -0700 | [diff] [blame] | 1137 | { |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1138 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, FL("Timer stop fail") ); |
| 1139 | } |
Jeff Johnson | 04dd8a8 | 2012-06-29 20:41:40 -0700 | [diff] [blame] | 1140 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1141 | |
Jeff Johnson | 04dd8a8 | 2012-06-29 20:41:40 -0700 | [diff] [blame] | 1142 | vosStatus = vos_timer_destroy( &pSmeRrmContext->IterMeasTimer ); |
| 1143 | if (!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| 1144 | { |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1145 | |
| 1146 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, FL("Fail to destroy timer") ); |
| 1147 | |
| 1148 | } |
| 1149 | |
Jeff Johnson | 04dd8a8 | 2012-06-29 20:41:40 -0700 | [diff] [blame] | 1150 | if( VOS_TIMER_STATE_RUNNING == |
| 1151 | vos_timer_getCurrentState( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer ) ) |
| 1152 | { |
| 1153 | vosStatus = vos_timer_stop( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer ); |
| 1154 | if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| 1155 | { |
| 1156 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_FATAL, FL("Timer stop fail") ); |
| 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | vosStatus = vos_timer_destroy( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer ); |
| 1161 | if (!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| 1162 | { |
| 1163 | VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_FATAL, FL("Fail to destroy timer") ); |
| 1164 | |
| 1165 | } |
| 1166 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1167 | rrmLLPurgeNeighborCache(pMac, &pSmeRrmContext->neighborReportCache); |
Jeff Johnson | 04dd8a8 | 2012-06-29 20:41:40 -0700 | [diff] [blame] | 1168 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1169 | csrLLClose(&pSmeRrmContext->neighborReportCache); |
| 1170 | |
| 1171 | return vosStatus; |
| 1172 | |
| 1173 | } |
| 1174 | |
| 1175 | |
| 1176 | |
| 1177 | |
| 1178 | /* --------------------------------------------------------------------------- |
| 1179 | |
| 1180 | \fn rrmReady |
| 1181 | |
| 1182 | \brief fn |
| 1183 | |
| 1184 | \param pMac - The handle returned by macOpen. |
| 1185 | |
| 1186 | \return VOS_STATUS |
| 1187 | |
| 1188 | ---------------------------------------------------------------------------*/ |
| 1189 | |
| 1190 | VOS_STATUS rrmReady (tpAniSirGlobal pMac) |
| 1191 | |
| 1192 | { |
| 1193 | |
| 1194 | return VOS_STATUS_SUCCESS; |
| 1195 | } |
| 1196 | |
| 1197 | /* --------------------------------------------------------------------------- |
| 1198 | |
| 1199 | \fn rrmChangeDefaultConfigParam |
| 1200 | \brief fn |
| 1201 | |
| 1202 | \param pMac - The handle returned by macOpen. |
| 1203 | \param pRrmConfig - pointer to new rrm configs. |
| 1204 | |
| 1205 | \return VOS_STATUS |
| 1206 | |
| 1207 | ---------------------------------------------------------------------------*/ |
| 1208 | VOS_STATUS rrmChangeDefaultConfigParam(tpAniSirGlobal pMac, tpRrmConfigParam pRrmConfig) |
| 1209 | { |
| 1210 | vos_mem_copy( &pMac->rrm.rrmSmeContext.rrmConfig, pRrmConfig, sizeof( tRrmConfigParam ) ); |
| 1211 | |
| 1212 | return VOS_STATUS_SUCCESS; |
| 1213 | } |
| 1214 | |
| 1215 | /* --------------------------------------------------------------------------- |
| 1216 | |
| 1217 | \fn smeRrmGetFirstBssEntryFromNeighborCache() |
| 1218 | |
| 1219 | \brief This function returns the first entry from the neighbor cache to the caller |
| 1220 | |
| 1221 | \param pMac - The handle returned by macOpen. |
| 1222 | |
| 1223 | \return VOID |
| 1224 | |
| 1225 | ---------------------------------------------------------------------------*/ |
| 1226 | tRrmNeighborReportDesc* smeRrmGetFirstBssEntryFromNeighborCache( tpAniSirGlobal pMac) |
| 1227 | { |
| 1228 | tListElem *pEntry; |
| 1229 | tRrmNeighborReportDesc *pTempBssEntry = NULL; |
| 1230 | tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| 1231 | |
| 1232 | |
| 1233 | pEntry = csrLLPeekHead( &pSmeRrmContext->neighborReportCache, LL_ACCESS_LOCK ); |
| 1234 | |
| 1235 | if(!pEntry || !csrLLCount(&pSmeRrmContext->neighborReportCache)) |
| 1236 | { |
| 1237 | //list empty |
| 1238 | smsLog(pMac, LOGW, FL("List empty\n")); |
| 1239 | return NULL; |
| 1240 | } |
| 1241 | |
| 1242 | pTempBssEntry = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| 1243 | |
| 1244 | return pTempBssEntry; |
| 1245 | } |
| 1246 | |
| 1247 | /* --------------------------------------------------------------------------- |
| 1248 | |
| 1249 | \fn smeRrmGetNextBssEntryFromNeighborCache() |
| 1250 | |
| 1251 | \brief This function returns the entry next to the given entry from the |
| 1252 | neighbor cache to the caller |
| 1253 | |
| 1254 | \param pMac - The handle returned by macOpen. |
| 1255 | |
| 1256 | \return VOID |
| 1257 | |
| 1258 | ---------------------------------------------------------------------------*/ |
| 1259 | tRrmNeighborReportDesc* smeRrmGetNextBssEntryFromNeighborCache( tpAniSirGlobal pMac, |
| 1260 | tpRrmNeighborReportDesc pBssEntry) |
| 1261 | { |
| 1262 | tListElem *pEntry; |
| 1263 | tRrmNeighborReportDesc *pTempBssEntry = NULL; |
| 1264 | |
| 1265 | pEntry = csrLLNext(&pMac->rrm.rrmSmeContext.neighborReportCache, &pBssEntry->List, LL_ACCESS_LOCK); |
| 1266 | |
| 1267 | if(!pEntry) |
| 1268 | { |
| 1269 | //list empty |
| 1270 | smsLog(pMac, LOGW, FL("List empty\n")); |
| 1271 | return NULL; |
| 1272 | } |
| 1273 | |
| 1274 | pTempBssEntry = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| 1275 | |
| 1276 | return pTempBssEntry; |
| 1277 | } |
| 1278 | |
| 1279 | #ifdef FEATURE_WLAN_CCX |
| 1280 | void csrCcxSendAdjacentApRepMsg(tpAniSirGlobal pMac, tCsrRoamSession *pSession) |
| 1281 | { |
| 1282 | tpSirAdjacentApRepInd pAdjRep; |
| 1283 | tANI_U16 length; |
| 1284 | tANI_U32 roamTS2; |
| 1285 | |
| 1286 | smsLog( pMac, LOG1, "Adjacent AP Report Msg to PE\n"); |
| 1287 | |
| 1288 | length = sizeof(tSirAdjacentApRepInd ); |
| 1289 | pAdjRep = vos_mem_malloc ( length ); |
| 1290 | |
| 1291 | if ( NULL == pAdjRep ) |
| 1292 | { |
| 1293 | smsLog( pMac, LOGP, "Unable to allocate memory for Adjacent AP report"); |
| 1294 | return; |
| 1295 | } |
| 1296 | |
| 1297 | vos_mem_zero( pAdjRep, length ); |
| 1298 | pAdjRep->messageType = eWNI_SME_CCX_ADJACENT_AP_REPORT; |
| 1299 | pAdjRep->length = length; |
| 1300 | pAdjRep->channelNum = pSession->prevOpChannel; |
| 1301 | vos_mem_copy( pAdjRep->bssid, &pSession->connectedProfile.bssid, sizeof(tSirMacAddr) ); |
| 1302 | vos_mem_copy( pAdjRep->prevApMacAddr, &pSession->prevApBssid, sizeof(tSirMacAddr) ); |
| 1303 | vos_mem_copy( &pAdjRep->prevApSSID, &pSession->prevApSSID, sizeof(tSirMacSSid) ); |
| 1304 | roamTS2 = vos_timer_get_system_time(); |
| 1305 | pAdjRep->tsmRoamdelay = roamTS2 - pSession->roamTS1; |
| 1306 | pAdjRep->roamReason =SIR_CCX_ASSOC_REASON_UNSPECIFIED; |
| 1307 | pAdjRep->clientDissSecs =(pAdjRep->tsmRoamdelay/1000); |
| 1308 | |
| 1309 | palSendMBMessage(pMac->hHdd, pAdjRep); |
| 1310 | |
| 1311 | return; |
| 1312 | } |
| 1313 | #endif /* FEATURE_WLAN_CCX */ |
| 1314 | #endif |