| /* |
| * Copyright (c) 2011-2014, 2017 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| /** ------------------------------------------------------------------------- * |
| ------------------------------------------------------------------------- * |
| \file csrCmdProcess.c |
| |
| Implementation for processing various commands. |
| ========================================================================== */ |
| |
| |
| |
| #include "aniGlobal.h" |
| |
| #include "palApi.h" |
| #include "csrInsideApi.h" |
| #include "smeInside.h" |
| #include "smsDebug.h" |
| #include "macTrace.h" |
| |
| |
| |
| eHalStatus csrMsgProcessor( tpAniSirGlobal pMac, void *pMsgBuf ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSirSmeRsp *pSmeRsp = (tSirSmeRsp *)pMsgBuf; |
| #ifdef FEATURE_WLAN_SCAN_PNO |
| tSirMbMsg *pMsg = (tSirMbMsg *)pMsgBuf; |
| tCsrRoamSession *pSession; |
| #endif |
| |
| smsLog(pMac, LOG2, FL("Message %d[0x%04X] received in curState %s" |
| " and substate %s sessionId (%d)"), |
| pSmeRsp->messageType, pSmeRsp->messageType, |
| macTraceGetcsrRoamState(pMac->roam.curState[pSmeRsp->sessionId]), |
| macTraceGetcsrRoamSubState( |
| pMac->roam.curSubState[pSmeRsp->sessionId]), pSmeRsp->sessionId); |
| |
| #ifdef FEATURE_WLAN_SCAN_PNO |
| /* |
| * PNO scan responses have to be handled irrespective of CSR roam state. |
| * Check if PNO has been started and only then process the PNO scan results. |
| * Also note that normal scan is not allowed when PNO scan is in progress |
| * and so the scan responses reaching here when PNO is started must be |
| * PNO responses. For normal scan, the PNO started flag will be FALSE and |
| * it will be processed as usual based on the current CSR roam state. |
| */ |
| pSession = CSR_GET_SESSION(pMac, pSmeRsp->sessionId); |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found, msgType : %d"), pSmeRsp->sessionId, |
| pMsg->type); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| if((eWNI_SME_SCAN_RSP == pMsg->type) && (TRUE == pSession->pnoStarted)) |
| { |
| status = csrScanningStateMsgProcessor(pMac, pMsgBuf); |
| if (eHAL_STATUS_SUCCESS != status) |
| { |
| smsLog(pMac, LOGE, FL(" handling PNO scan resp msg 0x%X CSR state is %d"), |
| pSmeRsp->messageType, pMac->roam.curState[pSmeRsp->sessionId]); |
| } |
| return (status); |
| } |
| #endif |
| |
| // Process the message based on the state of the roaming states... |
| |
| #if defined( ANI_RTT_DEBUG ) |
| if(!pAdapter->fRttModeEnabled) |
| { |
| #endif//RTT |
| switch (pMac->roam.curState[pSmeRsp->sessionId]) |
| { |
| case eCSR_ROAMING_STATE_SCANNING: |
| { |
| //Are we in scan state |
| #if defined( ANI_EMUL_ASSOC ) |
| emulScanningStateMsgProcessor( pAdapter, pMBBufHdr ); |
| #else |
| status = csrScanningStateMsgProcessor(pMac, pMsgBuf); |
| #endif |
| break; |
| } |
| |
| case eCSR_ROAMING_STATE_JOINED: |
| { |
| //are we in joined state |
| csrRoamJoinedStateMsgProcessor( pMac, pMsgBuf ); |
| break; |
| } |
| |
| case eCSR_ROAMING_STATE_JOINING: |
| { |
| //are we in roaming states |
| #if defined( ANI_EMUL_ASSOC ) |
| emulRoamingStateMsgProcessor( pAdapter, pMBBufHdr ); |
| #endif |
| csrRoamingStateMsgProcessor( pMac, pMsgBuf ); |
| break; |
| } |
| |
| //For all other messages, we ignore it |
| default: |
| { |
| /*To work-around an issue where checking for set/remove key base on connection state is no longer |
| * workable due to failure or finding the condition meets both SAP and infra/IBSS requirement. |
| */ |
| if( (eWNI_SME_SETCONTEXT_RSP == pSmeRsp->messageType) || |
| (eWNI_SME_REMOVEKEY_RSP == pSmeRsp->messageType) || |
| (pSmeRsp->messageType == eWNI_SME_FT_PRE_AUTH_RSP)) |
| { |
| smsLog(pMac, LOGW, FL(" handling msg 0x%X CSR state is %d"), pSmeRsp->messageType, pMac->roam.curState[pSmeRsp->sessionId]); |
| csrRoamCheckForLinkStatusChange(pMac, pSmeRsp); |
| } |
| else if(eWNI_SME_GET_RSSI_REQ == pSmeRsp->messageType) |
| { |
| tAniGetRssiReq *pGetRssiReq = (tAniGetRssiReq*)pMsgBuf; |
| if(NULL != pGetRssiReq->rssiCallback) |
| { |
| smsLog(pMac, |
| LOGW, |
| FL("Message eWNI_SME_GET_RSSI_REQ is not handled" |
| " by CSR in state %d. calling RSSI callback"), |
| pMac->roam.curState[pSmeRsp->sessionId]); |
| ((tCsrRssiCallback)(pGetRssiReq->rssiCallback))(pGetRssiReq->lastRSSI, |
| pGetRssiReq->staId, |
| pGetRssiReq->pDevContext); |
| } |
| else |
| { |
| smsLog(pMac, LOGE, FL("pGetRssiReq->rssiCallback is NULL")); |
| } |
| } |
| else |
| { |
| smsLog(pMac, LOGE, "Message 0x%04X is not handled by CSR " |
| " CSR state is %d session Id %d", pSmeRsp->messageType, |
| pMac->roam.curState[pSmeRsp->sessionId], pSmeRsp->sessionId); |
| |
| if (eWNI_SME_FT_PRE_AUTH_RSP == pSmeRsp->messageType) { |
| smsLog(pMac, LOGE, "Dequeue eSmeCommandRoam command" |
| " with reason eCsrPerformPreauth"); |
| csrDequeueRoamCommand(pMac, eCsrPerformPreauth); |
| } |
| else if (eWNI_SME_REASSOC_RSP == pSmeRsp->messageType) { |
| smsLog(pMac, LOGE, "Dequeue eSmeCommandRoam command" |
| " with reason eCsrSmeIssuedFTReassoc"); |
| csrDequeueRoamCommand(pMac, eCsrSmeIssuedFTReassoc); |
| } |
| } |
| break; |
| } |
| |
| }//switch |
| |
| #if defined( ANI_RTT_DEBUG ) |
| } |
| #endif//RTT |
| |
| return (status); |
| } |
| |
| |
| |
| tANI_BOOLEAN csrCheckPSReady(void *pv) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( pv ); |
| |
| if (pMac->roam.sPendingCommands < 0) |
| { |
| VOS_ASSERT( pMac->roam.sPendingCommands >= 0 ); |
| return 0; |
| } |
| return (pMac->roam.sPendingCommands == 0); |
| } |
| |
| tANI_BOOLEAN csrCheckPSOffloadReady(void *pv, tANI_U32 sessionId) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT(pv); |
| |
| VOS_ASSERT(pMac->roam.sPendingCommands >= 0); |
| return (pMac->roam.sPendingCommands == 0); |
| } |
| |
| void csrFullPowerCallback(void *pv, eHalStatus status) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( pv ); |
| tListElem *pEntry; |
| tSmeCmd *pCommand; |
| |
| (void)status; |
| |
| while( NULL != ( pEntry = csrLLRemoveHead( &pMac->roam.roamCmdPendingList, eANI_BOOLEAN_TRUE ) ) ) |
| { |
| pCommand = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| smePushCommand( pMac, pCommand, eANI_BOOLEAN_FALSE ); |
| } |
| |
| } |
| |
| void csrFullPowerOffloadCallback(void *pv, tANI_U32 sessionId, eHalStatus status) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( pv ); |
| tListElem *pEntry; |
| tSmeCmd *pCommand; |
| |
| (void)status; |
| |
| while(NULL != (pEntry = csrLLRemoveHead(&pMac->roam.roamCmdPendingList, |
| eANI_BOOLEAN_TRUE))) |
| { |
| pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| smePushCommand(pMac, pCommand, eANI_BOOLEAN_FALSE); |
| } |
| |
| } |
