Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 2 | * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | /* |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 22 | * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 23 | * |
| 24 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 25 | * |
| 26 | * |
| 27 | * Permission to use, copy, modify, and/or distribute this software for |
| 28 | * any purpose with or without fee is hereby granted, provided that the |
| 29 | * above copyright notice and this permission notice appear in all |
| 30 | * copies. |
| 31 | * |
| 32 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 33 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 34 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 35 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 36 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 37 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 38 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 39 | * PERFORMANCE OF THIS SOFTWARE. |
| 40 | */ |
| 41 | |
| 42 | /* |
| 43 | * |
| 44 | * Airgo Networks, Inc proprietary. All rights reserved. |
| 45 | * This file limProcessProbeRspFrame.cc contains the code |
| 46 | * for processing Probe Response Frame. |
| 47 | * Author: Chandra Modumudi |
| 48 | * Date: 03/01/02 |
| 49 | * History:- |
| 50 | * Date Modified by Modification Information |
| 51 | * -------------------------------------------------------------------- |
| 52 | * |
| 53 | */ |
| 54 | |
| 55 | #include "wniApi.h" |
| 56 | #ifdef ANI_PRODUCT_TYPE_AP |
| 57 | #include "wniCfgAp.h" |
| 58 | #else |
| 59 | #include "wniCfgSta.h" |
| 60 | #endif |
| 61 | #include "aniGlobal.h" |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 62 | #include "schApi.h" |
| 63 | #include "utilsApi.h" |
| 64 | #include "limApi.h" |
| 65 | #include "limTypes.h" |
| 66 | #include "limUtils.h" |
| 67 | #include "limAssocUtils.h" |
| 68 | #include "limPropExtsUtils.h" |
| 69 | #include "limSerDesUtils.h" |
| 70 | #include "limSendMessages.h" |
| 71 | |
| 72 | #include "parserApi.h" |
| 73 | |
Leela V Kiran Kumar Reddy Chirala | 6a45875 | 2013-02-16 15:41:27 -0800 | [diff] [blame^] | 74 | tSirRetStatus |
| 75 | limValidateIEInformationInProbeRspFrame (tANI_U8 *pRxPacketInfo) |
| 76 | { |
| 77 | tSirRetStatus status = eSIR_SUCCESS; |
| 78 | |
| 79 | if (WDA_GET_RX_PAYLOAD_LEN(pRxPacketInfo) < (SIR_MAC_B_PR_SSID_OFFSET + SIR_MAC_MIN_IE_LEN)) |
| 80 | { |
| 81 | status = eSIR_FAILURE; |
| 82 | } |
| 83 | |
| 84 | return status; |
| 85 | } |
| 86 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 87 | /** |
| 88 | * limProcessProbeRspFrame |
| 89 | * |
| 90 | *FUNCTION: |
| 91 | * This function is called by limProcessMessageQueue() upon |
| 92 | * Probe Response frame reception. |
| 93 | * |
| 94 | *LOGIC: |
| 95 | * This function processes received Probe Response frame. |
| 96 | * |
| 97 | *ASSUMPTIONS: |
| 98 | * |
| 99 | *NOTE: |
| 100 | * 1. Frames with out-of-order IEs are dropped. |
| 101 | * 2. In case of IBSS, join 'success' makes MLM state machine |
| 102 | * transition into 'BSS started' state. This may have to change |
| 103 | * depending on supporting what kinda Authentication in IBSS. |
| 104 | * |
| 105 | * @param pMac Pointer to Global MAC structure |
| 106 | * @param *pRxPacketInfo A pointer to Buffer descriptor + associated PDUs |
| 107 | * @return None |
| 108 | */ |
| 109 | |
| 110 | |
| 111 | void |
| 112 | limProcessProbeRspFrame(tpAniSirGlobal pMac, tANI_U8 *pRxPacketInfo,tpPESession psessionEntry) |
| 113 | { |
| 114 | tANI_U8 *pBody; |
| 115 | tANI_U32 frameLen = 0; |
| 116 | tSirMacAddr currentBssId; |
| 117 | tpSirMacMgmtHdr pHdr; |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 118 | tSirProbeRespBeacon *pProbeRsp; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 119 | tANI_U8 qosEnabled = false; |
| 120 | tANI_U8 wmeEnabled = false; |
| 121 | |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 122 | if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd, |
| 123 | (void **)&pProbeRsp, sizeof(tSirProbeRespBeacon))) |
| 124 | { |
| 125 | limLog(pMac, LOGE, FL("Unable to PAL allocate memory in limProcessProbeRspFrame\n") ); |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | pProbeRsp->ssId.length = 0; |
| 130 | pProbeRsp->wpa.length = 0; |
| 131 | pProbeRsp->propIEinfo.apName.length = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 132 | #if (WNI_POLARIS_FW_PACKAGE == ADVANCED) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 133 | pProbeRsp->propIEinfo.aniIndicator = 0; |
| 134 | pProbeRsp->propIEinfo.wdsLength = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 135 | #endif |
| 136 | |
| 137 | |
| 138 | pHdr = WDA_GET_RX_MAC_HEADER(pRxPacketInfo); |
| 139 | |
| 140 | |
| 141 | PELOG2(limLog(pMac, LOG2, |
| 142 | FL("Received Probe Response frame with length=%d from "), |
| 143 | WDA_GET_RX_MPDU_LEN(pRxPacketInfo)); |
| 144 | limPrintMacAddr(pMac, pHdr->sa, LOG2);) |
| 145 | |
| 146 | if (limDeactivateMinChannelTimerDuringScan(pMac) != eSIR_SUCCESS) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 147 | { |
| 148 | palFreeMemory(pMac->hHdd, pProbeRsp); |
| 149 | return; |
| 150 | } |
Leela V Kiran Kumar Reddy Chirala | 6a45875 | 2013-02-16 15:41:27 -0800 | [diff] [blame^] | 151 | // Validate IE information before processing Probe Response Frame |
| 152 | if (limValidateIEInformationInProbeRspFrame(pRxPacketInfo) != eSIR_SUCCESS) |
| 153 | { |
| 154 | PELOG1(limLog(pMac, LOG1, |
| 155 | FL("Parse error ProbeResponse, length=%d"), frameLen);) |
| 156 | palFreeMemory(pMac->hHdd, pProbeRsp); |
| 157 | return; |
| 158 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 159 | |
| 160 | /** |
| 161 | * Expect Probe Response only when |
| 162 | * 1. STA is in scan mode waiting for Beacon/Probe response or |
| 163 | * 2. STA is waiting for Beacon/Probe Response to announce |
| 164 | * join success or |
| 165 | * 3. STA is in IBSS mode in BSS started state or |
| 166 | * 4. STA/AP is in learn mode |
| 167 | * 5. STA in link established state. In this state, the probe response is |
| 168 | * expected for two scenarios: |
| 169 | * -- As part of heart beat mechanism, probe req is sent out |
| 170 | * -- If QoS Info IE in beacon has a different count for EDCA Params, |
| 171 | * and EDCA IE is not present in beacon, |
| 172 | * then probe req is sent out to get the EDCA params. |
| 173 | * |
| 174 | * Ignore Probe Response frame in all other states |
| 175 | */ |
| 176 | // TO SUPPORT BT-AMP |
| 177 | if (((pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) || //mlm state check should be global - 18th oct |
| 178 | (pMac->lim.gLimMlmState == eLIM_MLM_PASSIVE_SCAN_STATE) || //mlm state check should be global - 18th oct |
| 179 | (pMac->lim.gLimMlmState == eLIM_MLM_LEARN_STATE) || //mlm state check should be global - 18th oct |
| 180 | (psessionEntry->limMlmState == eLIM_MLM_WT_JOIN_BEACON_STATE) || |
| 181 | (psessionEntry->limMlmState == eLIM_MLM_LINK_ESTABLISHED_STATE) )|| |
| 182 | ((GET_LIM_SYSTEM_ROLE(psessionEntry) == eLIM_STA_IN_IBSS_ROLE) && |
| 183 | (psessionEntry->limMlmState == eLIM_MLM_BSS_STARTED_STATE))) |
| 184 | { |
| 185 | frameLen = WDA_GET_RX_PAYLOAD_LEN(pRxPacketInfo); |
| 186 | |
| 187 | // Get pointer to Probe Response frame body |
| 188 | pBody = WDA_GET_RX_MPDU_DATA(pRxPacketInfo); |
| 189 | |
Leela V Kiran Kumar Reddy Chirala | 6a45875 | 2013-02-16 15:41:27 -0800 | [diff] [blame^] | 190 | if (sirConvertProbeFrame2Struct(pMac, pBody, frameLen, pProbeRsp) == eSIR_FAILURE || |
| 191 | !pProbeRsp->ssidPresent) // Enforce Mandatory IEs |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 192 | { |
| 193 | PELOG1(limLog(pMac, LOG1, |
Leela V Kiran Kumar Reddy Chirala | 6a45875 | 2013-02-16 15:41:27 -0800 | [diff] [blame^] | 194 | FL("Parse error ProbeResponse, length=%d"), |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 195 | frameLen);) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 196 | palFreeMemory(pMac->hHdd, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 197 | return; |
| 198 | } |
| 199 | //To Support BT-AMP |
| 200 | if ((pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) || //mlm state check should be global - 18th oct |
| 201 | (pMac->lim.gLimMlmState == eLIM_MLM_PASSIVE_SCAN_STATE)) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 202 | limCheckAndAddBssDescription(pMac, pProbeRsp, pRxPacketInfo, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 203 | ((pMac->lim.gLimHalScanState == eLIM_HAL_SCANNING_STATE) ? eANI_BOOLEAN_TRUE : eANI_BOOLEAN_FALSE), eANI_BOOLEAN_TRUE); |
| 204 | else if (pMac->lim.gLimMlmState == eLIM_MLM_LEARN_STATE) //mlm state check should be global - 18th oct |
| 205 | { |
| 206 | #if defined(ANI_PRODUCT_TYPE_AP) && (WNI_POLARIS_FW_PACKAGE == ADVANCED) |
| 207 | // STA/AP is in learn mode |
| 208 | /* Not sure whether the below 2 lines are needed for the station. TODO If yes, this should be |
| 209 | * uncommented. Also when we tested enabling this, there is a crash as soon as the station |
| 210 | * comes up which needs to be fixed*/ |
| 211 | //if (pMac->lim.gLimSystemRole == eLIM_STA_ROLE) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 212 | // limCheckAndAddBssDescription(pMac, pProbeRsp, pRxPacketInfo, eANI_BOOLEAN_TRUE); |
| 213 | limCollectMeasurementData(pMac, pRxPacketInfo, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 214 | PELOG3(limLog(pMac, LOG3, |
| 215 | FL("Parsed WDS info in ProbeRsp frames: wdsLength=%d\n"), |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 216 | pProbeRsp->propIEinfo.wdsLength);) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 217 | #endif |
| 218 | } |
| 219 | else if (psessionEntry->limMlmState == |
| 220 | eLIM_MLM_WT_JOIN_BEACON_STATE) |
| 221 | { |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 222 | if( psessionEntry->beacon != NULL )//Either Beacon/probe response is required. Hence store it in same buffer. |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 223 | { |
| 224 | palFreeMemory(pMac->hHdd, psessionEntry->beacon); |
| 225 | psessionEntry->beacon = NULL; |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 226 | } |
| 227 | psessionEntry->bcnLen = WDA_GET_RX_PAYLOAD_LEN(pRxPacketInfo); |
| 228 | if ((palAllocateMemory(pMac->hHdd, (void**)&psessionEntry->beacon, |
| 229 | psessionEntry->bcnLen)) |
| 230 | != eHAL_STATUS_SUCCESS) |
| 231 | { |
| 232 | PELOGE(limLog(pMac, LOGE, |
| 233 | FL("Unable to allocate memory to store beacon"));) |
| 234 | } |
| 235 | else |
| 236 | { |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 237 | //Store the Beacon/ProbeRsp. This is sent to csr/hdd in join cnf response. |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 238 | palCopyMemory(pMac->hHdd, psessionEntry->beacon, |
| 239 | WDA_GET_RX_MPDU_DATA(pRxPacketInfo), |
| 240 | psessionEntry->bcnLen); |
| 241 | } |
| 242 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 243 | // STA in WT_JOIN_BEACON_STATE |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 244 | limCheckAndAnnounceJoinSuccess(pMac, pProbeRsp, pHdr, psessionEntry); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 245 | } |
| 246 | else if(psessionEntry->limMlmState == eLIM_MLM_LINK_ESTABLISHED_STATE) |
| 247 | { |
| 248 | tpDphHashNode pStaDs = NULL; |
| 249 | /** |
| 250 | * Check if this Probe Response is for |
| 251 | * our Probe Request sent upon reaching |
| 252 | * heart beat threshold |
| 253 | */ |
| 254 | #if 0 |
| 255 | if (wlan_cfgGetStr(pMac, |
| 256 | WNI_CFG_BSSID, |
| 257 | currentBssId, |
| 258 | &cfg) != eSIR_SUCCESS) |
| 259 | { |
| 260 | /// Could not get BSSID from CFG. Log error. |
| 261 | limLog(pMac, LOGP, FL("could not retrieve BSSID\n")); |
| 262 | } |
| 263 | #endif //TO SUPPORT BT-AMP |
| 264 | sirCopyMacAddr(currentBssId,psessionEntry->bssId); |
| 265 | |
| 266 | if ( !palEqualMemory( pMac->hHdd,currentBssId, pHdr->bssId, sizeof(tSirMacAddr)) ) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 267 | { |
| 268 | palFreeMemory(pMac->hHdd, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 269 | return; |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 270 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 271 | |
| 272 | if (!LIM_IS_CONNECTION_ACTIVE(psessionEntry)) |
| 273 | { |
| 274 | limLog(pMac, LOGW, |
| 275 | FL("Received Probe Resp from AP. So it is alive!!\n")); |
| 276 | |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 277 | if (pProbeRsp->HTInfo.present) |
| 278 | limReceivedHBHandler(pMac, (tANI_U8)pProbeRsp->HTInfo.primaryChannel, psessionEntry); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 279 | else |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 280 | limReceivedHBHandler(pMac, (tANI_U8)pProbeRsp->channelNumber, psessionEntry); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | #if defined ANI_PRODUCT_TYPE_CLIENT || defined (ANI_AP_CLIENT_SDK) |
| 284 | |
| 285 | if (psessionEntry->limSystemRole == eLIM_STA_ROLE) |
| 286 | { |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 287 | if (pProbeRsp->channelSwitchPresent || |
| 288 | pProbeRsp->propIEinfo.propChannelSwitchPresent) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 289 | { |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 290 | limUpdateChannelSwitch(pMac, pProbeRsp, psessionEntry); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 291 | } |
Jeff Johnson | e724574 | 2012-09-05 17:12:55 -0700 | [diff] [blame] | 292 | else if (psessionEntry->gLimSpecMgmt.dot11hChanSwState == eLIM_11H_CHANSW_RUNNING) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 293 | { |
| 294 | limCancelDot11hChannelSwitch(pMac, psessionEntry); |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | #endif |
| 299 | |
| 300 | /** |
| 301 | * Now Process EDCA Parameters, if EDCAParamSet count is different. |
| 302 | * -- While processing beacons in link established state if it is determined that |
| 303 | * QoS Info IE has a different count for EDCA Params, |
| 304 | * and EDCA IE is not present in beacon, |
| 305 | * then probe req is sent out to get the EDCA params. |
| 306 | */ |
| 307 | |
| 308 | pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); |
| 309 | |
| 310 | limGetQosMode(psessionEntry, &qosEnabled); |
| 311 | limGetWmeMode(psessionEntry, &wmeEnabled); |
| 312 | PELOG2(limLog(pMac, LOG2, |
| 313 | FL("wmeEdcaPresent: %d wmeEnabled: %d, edcaPresent: %d, qosEnabled: %d, edcaParams.qosInfo.count: %d schObject.gLimEdcaParamSetCount: %d\n"), |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 314 | pProbeRsp->wmeEdcaPresent, wmeEnabled, pProbeRsp->edcaPresent, qosEnabled, |
| 315 | pProbeRsp->edcaParams.qosInfo.count, psessionEntry->gLimEdcaParamSetCount);) |
| 316 | if (((pProbeRsp->wmeEdcaPresent && wmeEnabled) || |
| 317 | (pProbeRsp->edcaPresent && qosEnabled)) && |
| 318 | (pProbeRsp->edcaParams.qosInfo.count != psessionEntry->gLimEdcaParamSetCount)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 319 | { |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 320 | if (schBeaconEdcaProcess(pMac, &pProbeRsp->edcaParams, psessionEntry) != eSIR_SUCCESS) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 321 | PELOGE(limLog(pMac, LOGE, FL("EDCA parameter processing error\n"));) |
| 322 | else if (pStaDs != NULL) |
| 323 | { |
| 324 | // If needed, downgrade the EDCA parameters |
| 325 | limSetActiveEdcaParams(pMac, psessionEntry->gLimEdcaParams, psessionEntry); |
| 326 | |
| 327 | if (pStaDs->aniPeer == eANI_BOOLEAN_TRUE) |
| 328 | limSendEdcaParams(pMac, psessionEntry->gLimEdcaParamsActive, pStaDs->bssId, eANI_BOOLEAN_TRUE); |
| 329 | else |
| 330 | limSendEdcaParams(pMac, psessionEntry->gLimEdcaParamsActive, pStaDs->bssId, eANI_BOOLEAN_FALSE); |
| 331 | } |
| 332 | else |
| 333 | PELOGE(limLog(pMac, LOGE, FL("Self Entry missing in Hash Table\n"));) |
| 334 | |
| 335 | } |
| 336 | } |
| 337 | else if ((psessionEntry->limSystemRole == eLIM_STA_IN_IBSS_ROLE) && |
| 338 | (psessionEntry->limMlmState == eLIM_MLM_BSS_STARTED_STATE)) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 339 | limHandleIBSScoalescing(pMac, pProbeRsp, pRxPacketInfo,psessionEntry); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 340 | } // if ((pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) || ... |
| 341 | |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 342 | palFreeMemory(pMac->hHdd, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 343 | // Ignore Probe Response frame in all other states |
| 344 | return; |
| 345 | } /*** end limProcessProbeRspFrame() ***/ |
| 346 | |
| 347 | |
| 348 | void |
| 349 | limProcessProbeRspFrameNoSession(tpAniSirGlobal pMac, tANI_U8 *pRxPacketInfo) |
| 350 | { |
| 351 | tANI_U8 *pBody; |
| 352 | tANI_U32 frameLen = 0; |
| 353 | tpSirMacMgmtHdr pHdr; |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 354 | tSirProbeRespBeacon *pProbeRsp; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 355 | |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 356 | if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd, |
| 357 | (void **)&pProbeRsp, sizeof(tSirProbeRespBeacon))) |
| 358 | { |
| 359 | limLog(pMac, LOGE, FL("Unable to PAL allocate memory in limProcessProbeRspFrameNoSession\n") ); |
| 360 | return; |
| 361 | } |
| 362 | |
| 363 | pProbeRsp->ssId.length = 0; |
| 364 | pProbeRsp->wpa.length = 0; |
| 365 | pProbeRsp->propIEinfo.apName.length = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 366 | #if (WNI_POLARIS_FW_PACKAGE == ADVANCED) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 367 | pProbeRsp->propIEinfo.aniIndicator = 0; |
| 368 | pProbeRsp->propIEinfo.wdsLength = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 369 | #endif |
| 370 | |
| 371 | |
| 372 | pHdr = WDA_GET_RX_MAC_HEADER(pRxPacketInfo); |
| 373 | |
| 374 | |
| 375 | limLog(pMac, LOG2, |
| 376 | FL("Received Probe Response frame with length=%d from "), |
| 377 | WDA_GET_RX_MPDU_LEN(pRxPacketInfo)); |
| 378 | limPrintMacAddr(pMac, pHdr->sa, LOG2); |
| 379 | |
| 380 | if (limDeactivateMinChannelTimerDuringScan(pMac) != eSIR_SUCCESS) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 381 | { |
| 382 | palFreeMemory(pMac->hHdd, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 383 | return; |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 384 | } |
Leela V Kiran Kumar Reddy Chirala | 6a45875 | 2013-02-16 15:41:27 -0800 | [diff] [blame^] | 385 | // Validate IE information before processing Probe Response Frame |
| 386 | if (limValidateIEInformationInProbeRspFrame(pRxPacketInfo) != eSIR_SUCCESS) |
| 387 | { |
| 388 | PELOG1(limLog(pMac, LOG1,FL("Parse error ProbeResponse, length=%d"), |
| 389 | frameLen);) |
| 390 | palFreeMemory(pMac->hHdd, pProbeRsp); |
| 391 | return; |
| 392 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 393 | /* Since there is no psessionEntry, PE cannot be in the following states: |
| 394 | * - eLIM_MLM_WT_JOIN_BEACON_STATE |
| 395 | * - eLIM_MLM_LINK_ESTABLISHED_STATE |
| 396 | * - eLIM_MLM_BSS_STARTED_STATE |
| 397 | * Hence, expect Probe Response only when |
| 398 | * 1. STA is in scan mode waiting for Beacon/Probe response |
| 399 | * |
| 400 | * Ignore Probe Response frame in all other states |
| 401 | */ |
| 402 | if( (pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) || |
| 403 | (pMac->lim.gLimMlmState == eLIM_MLM_PASSIVE_SCAN_STATE) || //mlm state check should be global - 18th oct |
| 404 | (pMac->lim.gLimMlmState == eLIM_MLM_LEARN_STATE) ) |
| 405 | { |
| 406 | frameLen = WDA_GET_RX_PAYLOAD_LEN(pRxPacketInfo); |
| 407 | |
| 408 | // Get pointer to Probe Response frame body |
| 409 | pBody = WDA_GET_RX_MPDU_DATA(pRxPacketInfo); |
| 410 | |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 411 | if (sirConvertProbeFrame2Struct(pMac, pBody, frameLen, pProbeRsp) == eSIR_FAILURE) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 412 | { |
| 413 | limLog(pMac, LOG1, FL("Parse error ProbeResponse, length=%d\n"), frameLen); |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 414 | palFreeMemory(pMac->hHdd, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 415 | return; |
| 416 | } |
| 417 | |
| 418 | if( (pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) || |
| 419 | (pMac->lim.gLimMlmState == eLIM_MLM_PASSIVE_SCAN_STATE) ) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 420 | limCheckAndAddBssDescription(pMac, pProbeRsp, pRxPacketInfo, eANI_BOOLEAN_TRUE, eANI_BOOLEAN_TRUE); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 421 | else if (pMac->lim.gLimMlmState == eLIM_MLM_LEARN_STATE) |
| 422 | { |
| 423 | #if defined(ANI_PRODUCT_TYPE_AP) && (WNI_POLARIS_FW_PACKAGE == ADVANCED) |
| 424 | // STA/AP is in learn mode |
| 425 | /* Not sure whether the below 2 lines are needed for the station. TODO If yes, this should be |
| 426 | * uncommented. Also when we tested enabling this, there is a crash as soon as the station |
| 427 | * comes up which needs to be fixed*/ |
| 428 | //if (pMac->lim.gLimSystemRole == eLIM_STA_ROLE) |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 429 | // limCheckAndAddBssDescription(pMac, pProbeRsp, pRxPacketInfo, eANI_BOOLEAN_TRUE); |
| 430 | limCollectMeasurementData(pMac, pRxPacketInfo, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 431 | limLog(pMac, LOG3, |
| 432 | FL("Parsed WDS info in ProbeRsp frames: wdsLength=%d\n"), |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 433 | pProbeRsp->propIEinfo.wdsLength); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 434 | #endif |
| 435 | } |
| 436 | } |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 437 | palFreeMemory(pMac->hHdd, pProbeRsp); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 438 | return; |
| 439 | } /*** end limProcessProbeRspFrameNew() ***/ |