| /* |
| * Copyright (c) 2012-2013, 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. |
| */ |
| /* |
| * Copyright (c) 2012-2013, 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. |
| */ |
| |
| /*=========================================================================== |
| |
| limProcessTdls.c |
| |
| OVERVIEW: |
| |
| DEPENDENCIES: |
| |
| Are listed for each API below. |
| |
| |
| Copyright (c) 2010 QUALCOMM Incorporated. |
| All Rights Reserved. |
| Qualcomm Confidential and Proprietary |
| ===========================================================================*/ |
| |
| /*=========================================================================== |
| |
| EDIT HISTORY FOR FILE |
| |
| |
| This section contains comments describing changes made to the module. |
| Notice that changes are listed in reverse chronological order. |
| |
| |
| $Header$$DateTime$$Author$ |
| |
| |
| when who what, where, why |
| ---------- --- -------------------------------------------------------- |
| 05/05/2010 Ashwani Initial Creation, added TDLS action frame functionality, |
| TDLS message exchange with SME..etc.. |
| |
| ===========================================================================*/ |
| |
| |
| /** |
| * \file limProcessTdls.c |
| * |
| * \brief Code for preparing,processing and sending 802.11z action frames |
| * |
| */ |
| |
| #ifdef FEATURE_WLAN_TDLS |
| |
| #include "sirApi.h" |
| #include "aniGlobal.h" |
| #include "sirMacProtDef.h" |
| #include "cfgApi.h" |
| #include "utilsApi.h" |
| #include "limTypes.h" |
| #include "limUtils.h" |
| #include "limSecurityUtils.h" |
| #include "dot11f.h" |
| #include "limStaHashApi.h" |
| #include "schApi.h" |
| #include "limSendMessages.h" |
| #include "utilsParser.h" |
| #include "limAssocUtils.h" |
| #include "dphHashTable.h" |
| #include "wlan_qct_wda.h" |
| |
| |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| /* forword declarations */ |
| static tSirRetStatus limTdlsDisAddSta(tpAniSirGlobal pMac, tSirMacAddr peerMac, |
| tSirTdlsPeerInfo *peerInfo, tpPESession psessionEntry) ; |
| static eHalStatus limSendSmeTdlsLinkSetupInd(tpAniSirGlobal pMac, |
| tSirMacAddr peerMac, tANI_U8 status); |
| static eHalStatus limSendSmeTdlsDelPeerInd(tpAniSirGlobal pMac, |
| tANI_U8 sessionId, tDphHashNode *pStaDs, tANI_U8 status) ; |
| static tSirTdlsPeerInfo *limTdlsFindDisPeerByState(tpAniSirGlobal pMac, |
| tANI_U8 state); |
| static tANI_U8 limTdlsFindSetupPeerByState(tpAniSirGlobal pMac, tANI_U8 state, |
| tLimTdlsLinkSetupPeer **setupPeer) ; |
| static tSirRetStatus limTdlsLinkEstablish(tpAniSirGlobal pMac, tSirMacAddr peer_mac); |
| |
| static tSirRetStatus limTdlsLinkTeardown(tpAniSirGlobal pMac, tSirMacAddr peer_mac); |
| static tpDphHashNode limTdlsDelSta(tpAniSirGlobal pMac, tSirMacAddr peerMac, |
| tpPESession psessionEntry) ; |
| |
| #endif |
| static tSirRetStatus limTdlsSetupAddSta(tpAniSirGlobal pMac, tSirMacAddr, |
| tLimTdlsLinkSetupPeer *setupPeer, tpPESession psessionEntry) ; |
| void PopulateDot11fLinkIden(tpAniSirGlobal pMac, tpPESession psessionEntry, |
| tDot11fIELinkIdentifier *linkIden, |
| tSirMacAddr peerMac , tANI_U8 reqType) ; |
| void PopulateDot11fTdlsExtCapability(tpAniSirGlobal pMac, |
| tDot11fIEExtCap *extCapability) ; |
| /* |
| * TDLS data frames will go out/come in as non-qos data. |
| * so, eth_890d_header will be aligned access.. |
| */ |
| static const tANI_U8 eth_890d_header[] = |
| { |
| 0xaa, 0xaa, 0x03, 0x00, |
| 0x00, 0x00, 0x89, 0x0d, |
| } ; |
| |
| /* |
| * type of links used in TDLS |
| */ |
| enum tdlsLinks |
| { |
| TDLS_LINK_AP, |
| TDLS_LINK_DIRECT |
| } eTdlsLink ; |
| |
| /* |
| * node status in node searching |
| */ |
| enum tdlsLinkNodeStatus |
| { |
| TDLS_NODE_NOT_FOUND, |
| TDLS_NODE_FOUND |
| } eTdlsLinkNodeStatus ; |
| |
| |
| enum tdlsReqType |
| { |
| TDLS_INITIATOR, |
| TDLS_RESPONDER |
| } eTdlsReqType ; |
| |
| typedef enum tdlsLinkSetupStatus |
| { |
| TDLS_SETUP_STATUS_SUCCESS = 0, |
| TDLS_SETUP_STATUS_FAILURE = 37 |
| }etdlsLinkSetupStatus ; |
| |
| /* some local defines */ |
| #define LINK_IDEN_BSSID_OFFSET (0) |
| #define PEER_MAC_OFFSET (12) |
| #define STA_MAC_OFFSET (6) |
| #define LINK_IDEN_ELE_ID (101) |
| //#define LINK_IDEN_LENGTH (18) |
| #define LINK_IDEN_ADDR_OFFSET(x) (&x.LinkIdentifier) |
| #define PTI_LINK_IDEN_OFFSET (5) |
| #define PTI_BUF_STATUS_OFFSET (25) |
| |
| /* TODO, Move this parameters to configuration */ |
| #define PEER_PSM_SUPPORT (0) |
| #define PEER_BUFFER_STA_SUPPORT (1) |
| #define CH_SWITCH_SUPPORT (0) |
| #define TDLS_SUPPORT (1) |
| #define TDLS_PROHIBITED (0) |
| #define TDLS_CH_SWITCH_PROHIBITED (1) |
| |
| #ifdef LIM_DEBUG_TDLS |
| #define TDLS_CASE_RETURN_STRING(x) case (x): return( ((const tANI_U8*)#x) + 8); /* 8 = remove redundant SIR_MAC_ */ |
| |
| #ifdef FEATURE_WLAN_TDLS |
| #define WNI_CFG_TDLS_DISCOVERY_RSP_WAIT (100) |
| #define WNI_CFG_TDLS_LINK_SETUP_RSP_TIMEOUT (800) |
| #define WNI_CFG_TDLS_LINK_SETUP_CNF_TIMEOUT (200) |
| #endif |
| |
| const tANI_U8* limTraceTdlsActionString( tANI_U8 tdlsActionCode ) |
| { |
| switch( tdlsActionCode ) |
| { |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_SETUP_REQ); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_SETUP_RSP); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_SETUP_CNF); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_TEARDOWN); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_PEER_TRAFFIC_IND); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_CH_SWITCH_REQ); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_CH_SWITCH_RSP); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_PEER_TRAFFIC_RSP); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_DIS_REQ); |
| TDLS_CASE_RETURN_STRING(SIR_MAC_TDLS_DIS_RSP); |
| } |
| return (const tANI_U8*)"UNKNOWN"; |
| } |
| #endif |
| #if 0 |
| static void printMacAddr(tSirMacAddr macAddr) |
| { |
| int i = 0 ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, (" Mac Addr: ")); |
| |
| for(i = 0 ; i < 6; i++) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| (" %02x "), macAddr[i]); |
| } |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("\n")); |
| return ; |
| } |
| #endif |
| /* |
| * initialize TDLS setup list and related data structures. |
| */ |
| void limInitTdlsData(tpAniSirGlobal pMac, tpPESession pSessionEntry) |
| { |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| pMac->lim.gLimTdlsDisResultList = NULL ; |
| pMac->lim.gLimTdlsDisStaCount = 0 ; |
| palZeroMemory(pMac->hHdd, &pMac->lim.gLimTdlsDisReq, |
| sizeof(tSirTdlsDisReq)); |
| palZeroMemory(pMac->hHdd, &pMac->lim.gLimTdlsLinkSetupInfo, |
| sizeof(tLimTdlsLinkSetupInfo)); |
| pMac->lim.gAddStaDisRspWait = 0 ; |
| |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| /* when reassociated, negative behavior will not be kept */ |
| /* you have to explicitly enable negative behavior per (re)association */ |
| pMac->lim.gLimTdlsNegativeBehavior = 0; |
| #endif |
| #endif |
| limInitPeerIdxpool(pMac, pSessionEntry) ; |
| |
| return ; |
| } |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| void limTdlsSetNegativeBehavior(tpAniSirGlobal pMac, tANI_U8 value, tANI_BOOLEAN on) |
| { |
| if(on) { |
| if(value == 255) |
| pMac->lim.gLimTdlsNegativeBehavior = 0XFFFFFFFF; |
| else |
| pMac->lim.gLimTdlsNegativeBehavior |= (1 << (value-1)); |
| } |
| else { |
| if(value == 255) |
| pMac->lim.gLimTdlsNegativeBehavior = 0; |
| else |
| pMac->lim.gLimTdlsNegativeBehavior &= ~(1 << (value-1)); |
| } |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR,("%d %d -> gLimTdlsNegativeBehavior= 0x%lx\n"), \ |
| value, on, pMac->lim.gLimTdlsNegativeBehavior)); |
| } |
| #endif |
| #if 0 |
| /* |
| * This function is used for creating TDLS public Action frame to |
| * transmit on Direct link |
| */ |
| static void limPreparesActionFrameHdr(tpAniSirGlobal pMac, tANI_U8 *pFrame, |
| tANI_U8 type, tANI_U8 subType, |
| tANI_U8 *link_iden ) |
| { |
| tpSirMacMgmtHdr pMacHdr ; |
| tANI_U8 *bssid = link_iden ; |
| #if 0 |
| tANI_U8 *staMac = (tANI_U8 *)(bssid + sizeof(tSirMacAddr)) ; |
| tANI_U8 *peerMac = (tANI_U8 *) (staMac + sizeof(tSirMacAddr)) ; |
| #else |
| tANI_U8 *peerMac = (tANI_U8 *) (bssid + sizeof(tSirMacAddr)) ; |
| tANI_U8 *staMac = (tANI_U8 *)(peerMac + sizeof(tSirMacAddr)) ; |
| #endif |
| tANI_U8 toDs = ANI_TXDIR_IBSS ; |
| |
| pMacHdr = (tpSirMacMgmtHdr) (pFrame); |
| |
| /* |
| * prepare 802.11 header |
| */ |
| pMacHdr->fc.protVer = SIR_MAC_PROTOCOL_VERSION; |
| pMacHdr->fc.type = type ; |
| pMacHdr->fc.subType = subType ; |
| /* |
| * TL is not setting up below fields, so we are doing it here |
| */ |
| pMacHdr->fc.toDS = toDs ; |
| pMacHdr->fc.powerMgmt = 0 ; |
| |
| |
| palCopyMemory( pMac->hHdd, (tANI_U8 *) pMacHdr->da, peerMac, |
| sizeof( tSirMacAddr )); |
| palCopyMemory( pMac->hHdd, |
| (tANI_U8 *) pMacHdr->sa, |
| staMac, sizeof( tSirMacAddr )); |
| |
| palCopyMemory( pMac->hHdd, (tANI_U8 *) pMacHdr->bssId, |
| bssid, sizeof( tSirMacAddr )); |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_WARN, ("Preparing TDLS action frame\n%02x:%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x:%02x\n"), \ |
| pMacHdr->da[0], pMacHdr->da[1], pMacHdr->da[2], pMacHdr->da[3], pMacHdr->da[4], pMacHdr->da[5], \ |
| pMacHdr->sa[0], pMacHdr->sa[1], pMacHdr->sa[2], pMacHdr->sa[3], pMacHdr->sa[4], pMacHdr->sa[5], \ |
| pMacHdr->bssId[0], pMacHdr->bssId[1], pMacHdr->bssId[2], \ |
| pMacHdr->bssId[3], pMacHdr->bssId[4], pMacHdr->bssId[5])); |
| |
| return ; |
| } |
| #endif |
| /* |
| * prepare TDLS frame header, it includes |
| * | | | | |
| * |802.11 header|RFC1042 header|TDLS_PYLOAD_TYPE|PAYLOAD |
| * | | | | |
| */ |
| static tANI_U32 limPrepareTdlsFrameHeader(tpAniSirGlobal pMac, tANI_U8* pFrame, |
| tDot11fIELinkIdentifier *link_iden, tANI_U8 tdlsLinkType, tANI_U8 reqType, tpPESession psessionEntry ) |
| { |
| tpSirMacMgmtHdr pMacHdr ; |
| tANI_U32 header_offset = 0 ; |
| tANI_U8 *addr1 = NULL ; |
| tANI_U8 *addr3 = NULL ; |
| tANI_U8 toDs = (tdlsLinkType == TDLS_LINK_AP) |
| ? ANI_TXDIR_TODS :ANI_TXDIR_IBSS ; |
| tANI_U8 *peerMac = (reqType == TDLS_INITIATOR) |
| ? link_iden->RespStaAddr : link_iden->InitStaAddr; |
| tANI_U8 *staMac = (reqType == TDLS_INITIATOR) |
| ? link_iden->InitStaAddr : link_iden->RespStaAddr; |
| |
| pMacHdr = (tpSirMacMgmtHdr) (pFrame); |
| |
| /* |
| * if TDLS frame goes through the AP link, it follows normal address |
| * pattern, if TDLS frame goes thorugh the direct link, then |
| * A1--> Peer STA addr, A2-->Self STA address, A3--> BSSID |
| */ |
| (tdlsLinkType == TDLS_LINK_AP) ? ((addr1 = (link_iden->bssid)), |
| (addr3 = (peerMac))) |
| : ((addr1 = (peerMac)), |
| (addr3 = (link_iden->bssid))) ; |
| /* |
| * prepare 802.11 header |
| */ |
| pMacHdr->fc.protVer = SIR_MAC_PROTOCOL_VERSION; |
| pMacHdr->fc.type = SIR_MAC_DATA_FRAME ; |
| pMacHdr->fc.subType = SIR_MAC_DATA_DATA ; |
| /* |
| * TL is not setting up below fields, so we are doing it here |
| */ |
| pMacHdr->fc.toDS = toDs ; |
| pMacHdr->fc.powerMgmt = 0 ; |
| pMacHdr->fc.wep = (psessionEntry->encryptType == eSIR_ED_NONE)? 0 : 1; |
| |
| |
| palCopyMemory( pMac->hHdd, (tANI_U8 *) pMacHdr->da, (tANI_U8 *)addr1, |
| sizeof( tSirMacAddr )); |
| palCopyMemory( pMac->hHdd, |
| (tANI_U8 *) pMacHdr->sa, |
| (tANI_U8 *) staMac, |
| sizeof( tSirMacAddr )); |
| |
| palCopyMemory( pMac->hHdd, (tANI_U8 *) pMacHdr->bssId, |
| (tANI_U8 *) (addr3), sizeof( tSirMacAddr )); |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_WARN, ("Preparing TDLS frame header to %s\n%02x:%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x:%02x\n"), \ |
| (tdlsLinkType == TDLS_LINK_AP) ? "AP" : "TD", \ |
| pMacHdr->da[0], pMacHdr->da[1], pMacHdr->da[2], pMacHdr->da[3], pMacHdr->da[4], pMacHdr->da[5], \ |
| pMacHdr->sa[0], pMacHdr->sa[1], pMacHdr->sa[2], pMacHdr->sa[3], pMacHdr->sa[4], pMacHdr->sa[5], \ |
| pMacHdr->bssId[0], pMacHdr->bssId[1], pMacHdr->bssId[2], \ |
| pMacHdr->bssId[3], pMacHdr->bssId[4], pMacHdr->bssId[5])); |
| |
| //printMacAddr(pMacHdr->bssId) ; |
| //printMacAddr(pMacHdr->sa) ; |
| //printMacAddr(pMacHdr->da) ; |
| |
| header_offset += sizeof(tSirMacMgmtHdr) ; |
| /* |
| * Now form RFC1042 header |
| */ |
| palCopyMemory(pMac->hHdd, (tANI_U8 *)(pFrame + header_offset), |
| (tANI_U8 *)eth_890d_header , sizeof(eth_890d_header)) ; |
| |
| header_offset += sizeof(eth_890d_header) ; |
| |
| /* add payload type as TDLS */ |
| *(pFrame + header_offset) = PAYLOAD_TYPE_TDLS ; |
| |
| return(header_offset += PAYLOAD_TYPE_TDLS_SIZE) ; |
| } |
| |
| /* |
| * This function can be used for bacst or unicast discovery request |
| * We are not differentiating it here, it will all depnds on peer MAC address, |
| */ |
| tSirRetStatus limSendTdlsDisReqFrame(tpAniSirGlobal pMac, tSirMacAddr peer_mac, |
| tANI_U8 dialog, tpPESession psessionEntry) |
| { |
| tDot11fTDLSDisReq tdlsDisReq ; |
| tANI_U32 status = 0 ; |
| tANI_U32 nPayload = 0 ; |
| tANI_U32 size = 0 ; |
| tANI_U32 nBytes = 0 ; |
| tANI_U32 header_offset = 0 ; |
| tANI_U8 *pFrame; |
| void *pPacket; |
| eHalStatus halstatus; |
| |
| /* |
| * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| * and then hand it off to 'dot11fPackProbeRequest' (for |
| * serialization). We start by zero-initializing the structure: |
| */ |
| palZeroMemory( pMac->hHdd, ( tANI_U8* )&tdlsDisReq, |
| sizeof( tDot11fTDLSDisReq ) ); |
| |
| /* |
| * setup Fixed fields, |
| */ |
| tdlsDisReq.Category.category = SIR_MAC_ACTION_TDLS ; |
| tdlsDisReq.Action.action = SIR_MAC_TDLS_DIS_REQ ; |
| tdlsDisReq.DialogToken.token = dialog ; |
| |
| |
| size = sizeof(tSirMacAddr) ; |
| |
| PopulateDot11fLinkIden( pMac, psessionEntry, &tdlsDisReq.LinkIdentifier, |
| peer_mac, TDLS_INITIATOR) ; |
| |
| /* |
| * now we pack it. First, how much space are we going to need? |
| */ |
| status = dot11fGetPackedTDLSDisReqSize( pMac, &tdlsDisReq, &nPayload); |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to calculate the packed size f" |
| "or a discovery Request (0x%08x).\n"), status ); |
| /* We'll fall back on the worst case scenario: */ |
| nPayload = sizeof( tDot11fTDLSDisReq ); |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while calculating" |
| "the packed size for a discovery Request (" |
| "0x%08x).\n"), status ); |
| } |
| |
| /* |
| * This frame is going out from PE as data frames with special ethertype |
| * 89-0d. |
| * 8 bytes of RFC 1042 header |
| */ |
| |
| |
| nBytes = nPayload + sizeof( tSirMacMgmtHdr ) |
| + sizeof( eth_890d_header ) |
| + PAYLOAD_TYPE_TDLS_SIZE ; |
| |
| /* Ok-- try to allocate memory from MGMT PKT pool */ |
| |
| halstatus = palPktAlloc( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( tANI_U16 )nBytes, ( void** ) &pFrame, |
| ( void** ) &pPacket ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to allocate %d bytes for a TDLS" |
| "Discovery Request.\n"), nBytes ); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| /* zero out the memory */ |
| palZeroMemory( pMac->hHdd, pFrame, nBytes ); |
| |
| /* |
| * IE formation, memory allocation is completed, Now form TDLS discovery |
| * request frame |
| */ |
| |
| /* fill out the buffer descriptor */ |
| |
| header_offset = limPrepareTdlsFrameHeader(pMac, pFrame, |
| LINK_IDEN_ADDR_OFFSET(tdlsDisReq), TDLS_LINK_AP, TDLS_INITIATOR, psessionEntry) ; |
| |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| if(pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_WRONG_BSSID_IN_DSCV_REQ) |
| { |
| tdlsDisReq.LinkIdentifier.bssid[4] = 0xde; |
| tdlsDisReq.LinkIdentifier.bssid[5] = 0xad; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TDLS negative running: wrong BSSID %02x:%02x:%02x:%02x:%02x:%02x in TDLS Discovery Req\n"), \ |
| tdlsDisReq.LinkIdentifier.bssid[0], |
| tdlsDisReq.LinkIdentifier.bssid[1], |
| tdlsDisReq.LinkIdentifier.bssid[2], |
| tdlsDisReq.LinkIdentifier.bssid[3], |
| tdlsDisReq.LinkIdentifier.bssid[4], |
| tdlsDisReq.LinkIdentifier.bssid[5]); |
| } |
| #endif |
| status = dot11fPackTDLSDisReq( pMac, &tdlsDisReq, pFrame |
| + header_offset, nPayload, &nPayload ); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGE, FL("Failed to pack a TDLS discovery req \ |
| (0x%08x).\n"), status ); |
| palPktFree( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( void* ) pFrame, ( void* ) pPacket ); |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while packing TDLS" |
| "Discovery Request (0x%08x).\n") ); |
| } |
| |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Send TDLS action %d (%s)"), |
| SIR_MAC_TDLS_DIS_REQ, limTraceTdlsActionString(SIR_MAC_TDLS_DIS_REQ) )); |
| |
| halstatus = halTxFrame( pMac, pPacket, ( tANI_U16 ) nBytes, |
| HAL_TXRX_FRM_802_11_DATA, |
| ANI_TXDIR_TODS, |
| 7, |
| limTxComplete, pFrame, 0 ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGE, FL("could not send TDLS Dis Request frame!\n" )); |
| return eSIR_FAILURE; |
| |
| } |
| |
| return eSIR_SUCCESS; |
| |
| } |
| |
| /* |
| * Once Discovery response is sent successfully (or failure) on air, now send |
| * response to PE and send del STA to HAL. |
| */ |
| eHalStatus limTdlsDisRspTxComplete(tpAniSirGlobal pMac, |
| tANI_U32 txCompleteSuccess) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS ; |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| tpDphHashNode pStaDs = NULL ; |
| tSirTdlsPeerInfo *peerInfo = 0 ; |
| |
| /* find peer by looking into the list by expected state */ |
| peerInfo = limTdlsFindDisPeerByState(pMac, TDLS_DIS_RSP_SENT_WAIT_STATE) ; |
| |
| if(NULL == peerInfo) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("DisRspTxComplete: No TDLS state machine waits for this event\n")); |
| VOS_ASSERT(0) ; |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| peerInfo->tdlsPeerState = TDLS_DIS_RSP_SENT_DONE_STATE ; |
| |
| if(peerInfo->delStaNeeded) |
| { |
| tpPESession psessionEntry; |
| |
| peerInfo->delStaNeeded = false ; |
| psessionEntry = peFindSessionBySessionId (pMac, peerInfo->sessionId); |
| |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("DisRspTxComplete: sessionID %d is not found\n"), peerInfo->sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| /* send del STA to remove context for this TDLS STA */ |
| pStaDs = limTdlsDelSta(pMac, peerInfo->peerMac, psessionEntry) ; |
| |
| /* now send indication to SME-->HDD->TL to remove STA from TL */ |
| if(pStaDs) |
| { |
| limSendSmeTdlsDelPeerInd(pMac, psessionEntry->smeSessionId, |
| pStaDs, eSIR_SUCCESS) ; |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("DisRspTxComplete: staDs not found for %02x:%02x:%02x:%02x:%02x:%02x\n"), |
| (peerInfo)->peerMac[0], |
| (peerInfo)->peerMac[1], |
| (peerInfo)->peerMac[2], |
| (peerInfo)->peerMac[3], |
| (peerInfo)->peerMac[4], |
| (peerInfo)->peerMac[5]) ; |
| VOS_ASSERT(0) ; |
| return eHAL_STATUS_FAILURE; |
| } |
| } |
| |
| if(!txCompleteSuccess) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TX complete failure for Dis RSP")); |
| limSendSmeTdlsDisRsp(pMac, eSIR_FAILURE, |
| eWNI_SME_TDLS_DISCOVERY_START_IND) ; |
| status = eHAL_STATUS_FAILURE; |
| } |
| else |
| { |
| limSendSmeTdlsDisRsp(pMac, eSIR_SUCCESS, |
| eWNI_SME_TDLS_DISCOVERY_START_IND) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("TX complete Success for Dis RSP")); |
| status = eHAL_STATUS_SUCCESS ; |
| } |
| //pMac->hal.pCBackFnTxComp = NULL ; |
| #endif |
| return status ; |
| |
| } |
| /* |
| * Once setup CNF is sent successfully (or failure) on air, now send |
| * response to PE and send del STA to HAL. |
| */ |
| eHalStatus limTdlsSetupCnfTxComplete(tpAniSirGlobal pMac, |
| tANI_U32 txCompleteSuccess) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS ; |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| tLimTdlsLinkSetupPeer *peerInfo = 0 ; |
| /* find peer by looking into the list by expected state */ |
| limTdlsFindSetupPeerByState(pMac, |
| TDLS_LINK_SETUP_RSP_WAIT_STATE, &peerInfo) ; |
| |
| if(NULL == peerInfo) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsSetupCnfTxComplete: No TDLS state machine waits for this event\n")); |
| VOS_ASSERT(0) ; |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| (peerInfo)->tdls_prev_link_state = (peerInfo)->tdls_link_state ; |
| (peerInfo)->tdls_link_state = TDLS_LINK_SETUP_DONE_STATE ; |
| |
| if(!txCompleteSuccess) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TX complete Failure for setup CNF")); |
| limSendSmeTdlsLinkStartRsp(pMac, eSIR_FAILURE, (peerInfo)->peerMac, |
| eWNI_SME_TDLS_LINK_START_RSP) ; |
| status = eHAL_STATUS_FAILURE; |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("RSP-->SME peer MAC = %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| (peerInfo)->peerMac[0], |
| (peerInfo)->peerMac[1], |
| (peerInfo)->peerMac[2], |
| (peerInfo)->peerMac[3], |
| (peerInfo)->peerMac[4], |
| (peerInfo)->peerMac[5]) ; |
| |
| limSendSmeTdlsLinkStartRsp(pMac, eSIR_SUCCESS, (peerInfo)->peerMac, |
| eWNI_SME_TDLS_LINK_START_RSP) ; |
| |
| /* tdls_hklee: prepare PTI template and send it to HAL */ |
| limTdlsLinkEstablish(pMac, (peerInfo)->peerMac); |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("TX complete Success for setup CNF")); |
| status = eHAL_STATUS_SUCCESS ; |
| } |
| //pMac->hal.pCBackFnTxComp = NULL ; |
| #endif |
| return status ; |
| |
| } |
| |
| /* |
| * Tx Complete for Teardown frame |
| */ |
| eHalStatus limTdlsTeardownTxComplete(tpAniSirGlobal pMac, |
| tANI_U32 txCompleteSuccess) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS ; |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| tpDphHashNode pStaDs = NULL ; |
| tLimTdlsLinkSetupPeer *peerInfo = 0 ; |
| tpPESession psessionEntry = NULL ; |
| //tANI_U16 msgType = 0 ; |
| |
| //tSirMacAddr peerMac = {0} ; |
| /* find peer by looking into the list by expected state */ |
| limTdlsFindSetupPeerByState(pMac, |
| TDLS_LINK_TEARDOWN_START_STATE, &peerInfo) ; |
| |
| if(NULL == peerInfo) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsTeardownTxComplete: No TDLS state machine waits for this event\n")); |
| VOS_ASSERT(0) ; |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("teardown peer Mac = %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| (peerInfo)->peerMac[0] , |
| (peerInfo)->peerMac[1] , |
| (peerInfo)->peerMac[2] , |
| (peerInfo)->peerMac[3] , |
| (peerInfo)->peerMac[4] , |
| (peerInfo)->peerMac[5] ) ; |
| |
| |
| //pMac->hal.pCBackFnTxComp = NULL ; |
| |
| psessionEntry = peFindSessionBySessionId(pMac, (peerInfo)->tdls_sessionId); |
| |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsTeardownTxComplete: sessionID %d is not found\n"), (peerInfo)->tdls_sessionId); |
| VOS_ASSERT(0) ; |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| if(!txCompleteSuccess) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TX complete failure for Teardown \n")) ; |
| |
| /* |
| * we should be sending Teradown to AP with status code |
| * eSIR_MAC_TDLS_TEARDOWN_PEER_UNREACHABLE, we are not worried if |
| * that is delivered or not, any way we removing this peer STA from our |
| * list |
| */ |
| if(NULL != psessionEntry) |
| { |
| limSendTdlsTeardownFrame(pMac, (peerInfo)->peerMac, |
| eSIR_MAC_TDLS_TEARDOWN_PEER_UNREACHABLE, psessionEntry, NULL, 0) ; |
| } |
| } |
| |
| if(TDLS_LINK_SETUP_WAIT_STATE != (peerInfo)->tdls_prev_link_state) |
| { |
| (peerInfo)->tdls_prev_link_state = (peerInfo)->tdls_link_state ; |
| (peerInfo)->tdls_link_state = TDLS_LINK_TEARDOWN_DONE_STATE ; |
| /* send del STA to remove context for this TDLS STA */ |
| if(NULL != psessionEntry) |
| { |
| /* tdls_hklee: send message to HAL before it is deleted */ |
| limTdlsLinkTeardown(pMac, (peerInfo)->peerMac) ; |
| |
| pStaDs = limTdlsDelSta(pMac, (peerInfo)->peerMac, psessionEntry) ; |
| } |
| |
| /* now send indication to SME-->HDD->TL to remove STA from TL */ |
| if(!pStaDs) |
| { |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| limSendSmeTdlsDelPeerInd(pMac, psessionEntry->smeSessionId, |
| pStaDs, eSIR_SUCCESS) ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("TX complete SUCCESS for Teardown\n")) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Prev State = %d\n"), (peerInfo)->tdls_prev_link_state) ; |
| limSendSmeTdlsTeardownRsp(pMac, eSIR_SUCCESS, (peerInfo)->peerMac, |
| eWNI_SME_TDLS_TEARDOWN_RSP) ; |
| /* Delete Peer for Link Peer List */ |
| limTdlsDelLinkPeer(pMac, (peerInfo)->peerMac) ; |
| } |
| else |
| { |
| (peerInfo)->tdls_prev_link_state = (peerInfo)->tdls_link_state ; |
| (peerInfo)->tdls_link_state = TDLS_LINK_TEARDOWN_DONE_STATE ; |
| limSendSmeTdlsTeardownRsp(pMac, eSIR_SUCCESS, (peerInfo)->peerMac, |
| eWNI_SME_TDLS_TEARDOWN_IND) ; |
| } |
| |
| |
| #if 0 |
| /* if previous state is link restart, then restart link setup again */ |
| if(TDLS_LINK_SETUP_RESTART_STATE == (peerInfo)->tdls_prev_link_state) |
| { |
| tLimTdlsLinkSetupInfo *setupInfo = &pMac->lim.gLimTdlsLinkSetupInfo ; |
| limTdlsPrepareSetupReqFrame(pMac, setupInfo, 37, |
| peerMac, psessionEntry) ; |
| } |
| #endif |
| status = eHAL_STATUS_SUCCESS ; |
| #endif |
| return status ; |
| } |
| |
| /* |
| * Send TDLS discovery response frame on direct link. |
| */ |
| |
| static tSirRetStatus limSendTdlsDisRspFrame(tpAniSirGlobal pMac, |
| tSirMacAddr peerMac, tANI_U8 dialog, tpPESession psessionEntry) |
| { |
| tDot11fTDLSDisRsp tdlsDisRsp ; |
| tANI_U16 caps = 0 ; |
| tANI_U32 status = 0 ; |
| tANI_U32 nPayload = 0 ; |
| tANI_U32 nBytes = 0 ; |
| tANI_U8 *pFrame; |
| void *pPacket; |
| eHalStatus halstatus; |
| |
| /* |
| * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| * and then hand it off to 'dot11fPackProbeRequest' (for |
| * serialization). We start by zero-initializing the structure: |
| */ |
| palZeroMemory( pMac->hHdd, ( tANI_U8* )&tdlsDisRsp, |
| sizeof( tDot11fTDLSDisRsp ) ); |
| |
| /* |
| * setup Fixed fields, |
| */ |
| tdlsDisRsp.Category.category = SIR_MAC_ACTION_PUBLIC_USAGE; |
| tdlsDisRsp.Action.action = SIR_MAC_TDLS_DIS_RSP ; |
| tdlsDisRsp.DialogToken.token = dialog ; |
| |
| PopulateDot11fLinkIden( pMac, psessionEntry, &tdlsDisRsp.LinkIdentifier, |
| peerMac, TDLS_RESPONDER) ; |
| |
| if (cfgGetCapabilityInfo(pMac, &caps, psessionEntry) != eSIR_SUCCESS) |
| { |
| /* |
| * Could not get Capabilities value |
| * from CFG. Log error. |
| */ |
| limLog(pMac, LOGP, |
| FL("could not retrieve Capabilities value\n")); |
| } |
| swapBitField16(caps, ( tANI_U16* )&tdlsDisRsp.Capabilities ); |
| |
| /* populate supported rate IE */ |
| PopulateDot11fSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &tdlsDisRsp.SuppRates, psessionEntry ); |
| |
| /* Populate extended supported rates */ |
| PopulateDot11fExtSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &tdlsDisRsp.ExtSuppRates, psessionEntry ); |
| |
| /* Populate extended supported rates */ |
| PopulateDot11fTdlsExtCapability( pMac, &tdlsDisRsp.ExtCap ); |
| |
| /* Include HT Capability IE */ |
| //This does not depend on peer capabilities. If it is supported then it should be included |
| PopulateDot11fHTCaps( pMac, psessionEntry, &tdlsDisRsp.HTCaps ); |
| |
| /* |
| * now we pack it. First, how much space are we going to need? |
| */ |
| status = dot11fGetPackedTDLSDisRspSize( pMac, &tdlsDisRsp, &nPayload); |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to calculate the packed size f" |
| "or a discovery Request (0x%08x).\n"), status ); |
| /* We'll fall back on the worst case scenario: */ |
| nPayload = sizeof( tDot11fProbeRequest ); |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while calculating" |
| "the packed size for a discovery Request (" |
| "0x%08x).\n"), status ); |
| } |
| |
| /* |
| * This frame is going out from PE as data frames with special ethertype |
| * 89-0d. |
| * 8 bytes of RFC 1042 header |
| */ |
| |
| |
| nBytes = nPayload + sizeof( tSirMacMgmtHdr ) ; |
| |
| /* Ok-- try to allocate memory from MGMT PKT pool */ |
| |
| halstatus = palPktAlloc( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( tANI_U16 )nBytes, ( void** ) &pFrame, |
| ( void** ) &pPacket ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to allocate %d bytes for a TDLS" |
| "Discovery Request.\n"), nBytes ); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| /* zero out the memory */ |
| palZeroMemory( pMac->hHdd, pFrame, nBytes ); |
| |
| /* |
| * IE formation, memory allocation is completed, Now form TDLS discovery |
| * response frame |
| */ |
| |
| /* Make public Action Frame */ |
| |
| #if 0 |
| limPreparesActionFrameHdr(pMac, pFrame, SIR_MAC_MGMT_FRAME, |
| SIR_MAC_MGMT_ACTION, |
| LINK_IDEN_ADDR_OFFSET(tdlsDisRsp)) ; |
| #endif |
| limPopulateMacHeader( pMac, pFrame, SIR_MAC_MGMT_FRAME, |
| SIR_MAC_MGMT_ACTION, peerMac, psessionEntry->selfMacAddr); |
| |
| { |
| tpSirMacMgmtHdr pMacHdr; |
| pMacHdr = ( tpSirMacMgmtHdr ) pFrame; |
| pMacHdr->fc.toDS = ANI_TXDIR_IBSS; |
| pMacHdr->fc.powerMgmt = 0 ; |
| sirCopyMacAddr(pMacHdr->bssId,psessionEntry->bssId); |
| } |
| |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| if(pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_WRONG_BSSID_IN_DSCV_RSP) |
| { |
| tdlsDisRsp.LinkIdentifier.bssid[4] = 0xde; |
| tdlsDisRsp.LinkIdentifier.bssid[5] = 0xad; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TDLS negative running: wrong BSSID %02x:%02x:%02x:%02x:%02x:%02x in TDLS Discovery Rsp\n"), \ |
| tdlsDisRsp.LinkIdentifier.bssid[0], |
| tdlsDisRsp.LinkIdentifier.bssid[1], |
| tdlsDisRsp.LinkIdentifier.bssid[2], |
| tdlsDisRsp.LinkIdentifier.bssid[3], |
| tdlsDisRsp.LinkIdentifier.bssid[4], |
| tdlsDisRsp.LinkIdentifier.bssid[5]); |
| } |
| #endif |
| status = dot11fPackTDLSDisRsp( pMac, &tdlsDisRsp, pFrame + |
| sizeof( tSirMacMgmtHdr ), |
| nPayload, &nPayload ); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGE, FL("Failed to pack a TDLS discovery req \ |
| (0x%08x).\n"), status ); |
| palPktFree( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( void* ) pFrame, ( void* ) pPacket ); |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while packing TDLS" |
| "Discovery Request (0x%08x).\n") ); |
| } |
| |
| #if 0 |
| if(pMac->hal.pCBackFnTxComp == NULL) |
| { |
| pMac->hal.pCBackFnTxComp = (tpCBackFnTxComp)limTdlsDisRspTxComplete; |
| |
| if(TX_SUCCESS != tx_timer_activate(&pMac->hal.txCompTimer)) |
| { |
| status = eHAL_STATUS_FAILURE; |
| return status; |
| |
| } |
| } |
| #endif |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("transmitting Discovery response on direct link\n")) ; |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Send TDLS action %d (%s)"), |
| SIR_MAC_TDLS_DIS_RSP, limTraceTdlsActionString(SIR_MAC_TDLS_DIS_RSP) )); |
| |
| |
| /* |
| * Transmit Discovery response and watch if this is delivered to |
| * peer STA. |
| */ |
| halstatus = halTxFrameWithTxComplete( pMac, pPacket, ( tANI_U16 ) nBytes, |
| HAL_TXRX_FRM_802_11_DATA, |
| ANI_TXDIR_IBSS, |
| 0, |
| limTxComplete, pFrame, |
| limTdlsDisRspTxComplete, |
| HAL_USE_SELF_STA_REQUESTED_MASK ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGE, FL("could not send TDLS Dis Request frame!\n" )); |
| return eSIR_FAILURE; |
| |
| } |
| |
| return eSIR_SUCCESS; |
| |
| } |
| |
| /* |
| * TDLS setup Request frame on AP link |
| */ |
| |
| tSirRetStatus limSendTdlsLinkSetupReqFrame(tpAniSirGlobal pMac, |
| tSirMacAddr peerMac, tANI_U8 dialog, tpPESession psessionEntry, |
| tANI_U8 *addIe, tANI_U16 addIeLen) |
| { |
| tDot11fTDLSSetupReq tdlsSetupReq ; |
| tANI_U16 caps = 0 ; |
| tANI_U32 status = 0 ; |
| tANI_U32 nPayload = 0 ; |
| tANI_U32 nBytes = 0 ; |
| tANI_U32 header_offset = 0 ; |
| tANI_U8 *pFrame; |
| void *pPacket; |
| eHalStatus halstatus; |
| |
| /* |
| * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| * and then hand it off to 'dot11fPackProbeRequest' (for |
| * serialization). We start by zero-initializing the structure: |
| */ |
| palZeroMemory( pMac->hHdd, ( tANI_U8* )&tdlsSetupReq, |
| sizeof( tDot11fTDLSSetupReq ) ); |
| tdlsSetupReq.Category.category = SIR_MAC_ACTION_TDLS ; |
| tdlsSetupReq.Action.action = SIR_MAC_TDLS_SETUP_REQ ; |
| tdlsSetupReq.DialogToken.token = dialog ; |
| |
| |
| PopulateDot11fLinkIden( pMac, psessionEntry, &tdlsSetupReq.LinkIdentifier, |
| peerMac, TDLS_INITIATOR) ; |
| |
| if (cfgGetCapabilityInfo(pMac, &caps, psessionEntry) != eSIR_SUCCESS) |
| { |
| /* |
| * Could not get Capabilities value |
| * from CFG. Log error. |
| */ |
| limLog(pMac, LOGP, |
| FL("could not retrieve Capabilities value\n")); |
| } |
| swapBitField16(caps, ( tANI_U16* )&tdlsSetupReq.Capabilities ); |
| |
| /* populate supported rate IE */ |
| PopulateDot11fSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &tdlsSetupReq.SuppRates, psessionEntry ); |
| |
| /* Populate extended supported rates */ |
| PopulateDot11fExtSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &tdlsSetupReq.ExtSuppRates, psessionEntry ); |
| |
| /* Populate extended supported rates */ |
| PopulateDot11fTdlsExtCapability( pMac, &tdlsSetupReq.ExtCap ); |
| |
| /* |
| * TODO: we need to see if we have to support conditions where we have |
| * EDCA parameter info element is needed a) if we need different QOS |
| * parameters for off channel operations or QOS is not supported on |
| * AP link and we wanted to QOS on direct link. |
| */ |
| /* Populate QOS info, needed for Peer U-APSD session */ |
| /* TODO: Now hardcoded, because PopulateDot11fQOSCapsStation() depends on AP's capability, and |
| TDLS doesn't want to depend on AP's capability */ |
| tdlsSetupReq.QOSCapsStation.present = 1; |
| tdlsSetupReq.QOSCapsStation.max_sp_length = 0; |
| tdlsSetupReq.QOSCapsStation.qack = 0; |
| tdlsSetupReq.QOSCapsStation.acbe_uapsd = 0; |
| tdlsSetupReq.QOSCapsStation.acbk_uapsd = 0; |
| tdlsSetupReq.QOSCapsStation.acvi_uapsd = 0; |
| tdlsSetupReq.QOSCapsStation.acvo_uapsd = 0; |
| |
| |
| /* |
| * we will always try to init TDLS link with 11n capabilities |
| * let TDLS setup response to come, and we will set our caps based |
| * of peer caps |
| */ |
| |
| /* Include HT Capability IE */ |
| PopulateDot11fHTCaps( pMac, psessionEntry, &tdlsSetupReq.HTCaps ); |
| |
| /* |
| * now we pack it. First, how much space are we going to need? |
| */ |
| status = dot11fGetPackedTDLSSetupReqSize( pMac, &tdlsSetupReq, |
| &nPayload); |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to calculate the packed size f" |
| "or a discovery Request (0x%08x).\n"), status ); |
| /* We'll fall back on the worst case scenario: */ |
| nPayload = sizeof( tDot11fProbeRequest ); |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while calculating" |
| "the packed size for a discovery Request (" |
| "0x%08x).\n"), status ); |
| } |
| |
| |
| /* |
| * This frame is going out from PE as data frames with special ethertype |
| * 89-0d. |
| * 8 bytes of RFC 1042 header |
| */ |
| |
| |
| nBytes = nPayload + sizeof( tSirMacMgmtHdr ) |
| + sizeof( eth_890d_header ) |
| + PAYLOAD_TYPE_TDLS_SIZE |
| + addIeLen; |
| |
| /* Ok-- try to allocate memory from MGMT PKT pool */ |
| |
| halstatus = palPktAlloc( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( tANI_U16 )nBytes , ( void** ) &pFrame, |
| ( void** ) &pPacket ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to allocate %d bytes for a TDLS" |
| "Discovery Request.\n"), nBytes ); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| /* zero out the memory */ |
| palZeroMemory( pMac->hHdd, pFrame, nBytes ); |
| |
| /* |
| * IE formation, memory allocation is completed, Now form TDLS discovery |
| * request frame |
| */ |
| |
| /* fill out the buffer descriptor */ |
| |
| header_offset = limPrepareTdlsFrameHeader(pMac, pFrame, |
| LINK_IDEN_ADDR_OFFSET(tdlsSetupReq), TDLS_LINK_AP, TDLS_INITIATOR, psessionEntry) ; |
| |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| if(pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_WRONG_BSSID_IN_SETUP_REQ) |
| { |
| tdlsSetupReq.LinkIdentifier.bssid[4] = 0xde; |
| tdlsSetupReq.LinkIdentifier.bssid[5] = 0xad; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TDLS negative running: wrong BSSID %02x:%02x:%02x:%02x:%02x:%02x in TDLS Setup Req\n"), \ |
| tdlsSetupReq.LinkIdentifier.bssid[0], |
| tdlsSetupReq.LinkIdentifier.bssid[1], |
| tdlsSetupReq.LinkIdentifier.bssid[2], |
| tdlsSetupReq.LinkIdentifier.bssid[3], |
| tdlsSetupReq.LinkIdentifier.bssid[4], |
| tdlsSetupReq.LinkIdentifier.bssid[5]); |
| } |
| #endif |
| status = dot11fPackTDLSSetupReq( pMac, &tdlsSetupReq, pFrame |
| + header_offset, nPayload, &nPayload ); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGE, FL("Failed to pack a TDLS discovery req \ |
| (0x%08x).\n"), status ); |
| palPktFree( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( void* ) pFrame, ( void* ) pPacket ); |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while packing TDLS" |
| "Discovery Request (0x%08x).\n") ); |
| } |
| |
| //Copy the additional IE. |
| //TODO : addIe is added at the end of the frame. This means it doesnt |
| //follow the order. This should be ok, but we should consider changing this |
| //if there is any IOT issue. |
| if( addIeLen != 0 ) |
| { |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Copy Additional Ie Len = %d"), |
| addIeLen )); |
| palCopyMemory( pMac->hHdd, pFrame + header_offset + nPayload, addIe, addIeLen ); |
| } |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Send TDLS action %d (%s)"), |
| SIR_MAC_TDLS_SETUP_REQ, limTraceTdlsActionString(SIR_MAC_TDLS_SETUP_REQ) )); |
| |
| halstatus = halTxFrame( pMac, pPacket, ( tANI_U16 ) nBytes, |
| HAL_TXRX_FRM_802_11_DATA, |
| ANI_TXDIR_TODS, |
| 7,//SMAC_SWBD_TX_TID_MGMT_HIGH, |
| limTxComplete, pFrame, 0 ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGE, FL("could not send TDLS Dis Request frame!\n" )); |
| return eSIR_FAILURE; |
| |
| } |
| |
| return eSIR_SUCCESS; |
| |
| } |
| /* |
| * Send TDLS Teardown frame on Direct link or AP link, depends on reason code. |
| */ |
| |
| tSirRetStatus limSendTdlsTeardownFrame(tpAniSirGlobal pMac, |
| tSirMacAddr peerMac, tANI_U16 reason, tpPESession psessionEntry, |
| tANI_U8 *addIe, tANI_U16 addIeLen) |
| { |
| tDot11fTDLSTeardown teardown ; |
| tANI_U32 status = 0 ; |
| tANI_U32 nPayload = 0 ; |
| tANI_U32 nBytes = 0 ; |
| tANI_U32 header_offset = 0 ; |
| tANI_U8 *pFrame; |
| void *pPacket; |
| eHalStatus halstatus; |
| |
| /* |
| * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| * and then hand it off to 'dot11fPackProbeRequest' (for |
| * serialization). We start by zero-initializing the structure: |
| */ |
| palZeroMemory( pMac->hHdd, ( tANI_U8* )&teardown, |
| sizeof( tDot11fTDLSTeardown ) ); |
| teardown.Category.category = SIR_MAC_ACTION_TDLS ; |
| teardown.Action.action = SIR_MAC_TDLS_TEARDOWN ; |
| teardown.Reason.code = reason ; |
| |
| PopulateDot11fLinkIden( pMac, psessionEntry, &teardown.LinkIdentifier, |
| peerMac, TDLS_INITIATOR) ; |
| |
| |
| /* |
| * now we pack it. First, how much space are we going to need? |
| */ |
| status = dot11fGetPackedTDLSTeardownSize( pMac, &teardown, &nPayload); |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to calculate the packed size f" |
| "or a discovery Request (0x%08x).\n"), status ); |
| /* We'll fall back on the worst case scenario: */ |
| nPayload = sizeof( tDot11fProbeRequest ); |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while calculating" |
| "the packed size for a discovery Request (" |
| "0x%08x).\n"), status ); |
| } |
| |
| |
| /* |
| * This frame is going out from PE as data frames with special ethertype |
| * 89-0d. |
| * 8 bytes of RFC 1042 header |
| */ |
| |
| |
| nBytes = nPayload + sizeof( tSirMacMgmtHdr ) |
| + sizeof( eth_890d_header ) |
| + PAYLOAD_TYPE_TDLS_SIZE |
| + addIeLen; |
| |
| /* Ok-- try to allocate memory from MGMT PKT pool */ |
| |
| halstatus = palPktAlloc( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( tANI_U16 )nBytes, ( void** ) &pFrame, |
| ( void** ) &pPacket ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to allocate %d bytes for a TDLS" |
| "Discovery Request.\n"), nBytes ); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| /* zero out the memory */ |
| palZeroMemory( pMac->hHdd, pFrame, nBytes ); |
| |
| /* |
| * IE formation, memory allocation is completed, Now form TDLS discovery |
| * request frame |
| */ |
| |
| /* fill out the buffer descriptor */ |
| |
| header_offset = limPrepareTdlsFrameHeader(pMac, pFrame, |
| LINK_IDEN_ADDR_OFFSET(teardown), |
| (reason == eSIR_MAC_TDLS_TEARDOWN_PEER_UNREACHABLE) |
| ? TDLS_LINK_AP : TDLS_LINK_DIRECT, TDLS_INITIATOR, |
| psessionEntry) ; |
| |
| status = dot11fPackTDLSTeardown( pMac, &teardown, pFrame |
| + header_offset, nPayload, &nPayload ); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGE, FL("Failed to pack a TDLS Teardown req \ |
| (0x%08x).\n"), status ); |
| palPktFree( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( void* ) pFrame, ( void* ) pPacket ); |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while packing TDLS" |
| "Teardown Request (0x%08x).\n") ); |
| } |
| #if 0 |
| if(pMac->hal.pCBackFnTxComp == NULL) |
| { |
| pMac->hal.pCBackFnTxComp = (tpCBackFnTxComp)limTdlsTeardownTxComplete; |
| if(TX_SUCCESS != tx_timer_activate(&pMac->hal.txCompTimer)) |
| { |
| status = eHAL_STATUS_FAILURE; |
| return status; |
| |
| } |
| } |
| else |
| { |
| VOS_ASSERT(0) ; |
| return status ; |
| } |
| #endif |
| |
| if( addIeLen != 0 ) |
| { |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Copy Additional Ie Len = %d"), |
| addIeLen )); |
| palCopyMemory( pMac->hHdd, pFrame + header_offset + nPayload, addIe, addIeLen ); |
| } |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Send TDLS action %d (%s)"), |
| SIR_MAC_TDLS_TEARDOWN, limTraceTdlsActionString(SIR_MAC_TDLS_TEARDOWN) )); |
| |
| halstatus = halTxFrameWithTxComplete( pMac, pPacket, ( tANI_U16 ) nBytes, |
| HAL_TXRX_FRM_802_11_DATA, |
| ANI_TXDIR_TODS, |
| 7, |
| limTxComplete, pFrame, |
| limTdlsTeardownTxComplete, |
| 0 ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGE, FL("could not send TDLS Dis Request frame!\n" )); |
| return eSIR_FAILURE; |
| |
| } |
| return eSIR_SUCCESS; |
| |
| } |
| |
| /* |
| * Send Setup RSP frame on AP link. |
| */ |
| static tSirRetStatus limSendTdlsSetupRspFrame(tpAniSirGlobal pMac, |
| tSirMacAddr peerMac, tANI_U8 dialog, tpPESession psessionEntry, |
| etdlsLinkSetupStatus setupStatus, tANI_U8 *addIe, tANI_U16 addIeLen ) |
| { |
| tDot11fTDLSSetupRsp tdlsSetupRsp ; |
| tANI_U32 status = 0 ; |
| tANI_U16 caps = 0 ; |
| tANI_U32 nPayload = 0 ; |
| tANI_U32 header_offset = 0 ; |
| tANI_U32 nBytes = 0 ; |
| tANI_U8 *pFrame; |
| void *pPacket; |
| eHalStatus halstatus; |
| |
| /* |
| * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| * and then hand it off to 'dot11fPackProbeRequest' (for |
| * serialization). We start by zero-initializing the structure: |
| */ |
| palZeroMemory( pMac->hHdd, ( tANI_U8* )&tdlsSetupRsp, |
| sizeof( tDot11fTDLSSetupRsp ) ); |
| |
| /* |
| * setup Fixed fields, |
| */ |
| tdlsSetupRsp.Category.category = SIR_MAC_ACTION_TDLS; |
| tdlsSetupRsp.Action.action = SIR_MAC_TDLS_SETUP_RSP ; |
| tdlsSetupRsp.DialogToken.token = dialog; |
| |
| PopulateDot11fLinkIden( pMac, psessionEntry, &tdlsSetupRsp.LinkIdentifier, |
| peerMac, TDLS_RESPONDER) ; |
| |
| if (cfgGetCapabilityInfo(pMac, &caps, psessionEntry) != eSIR_SUCCESS) |
| { |
| /* |
| * Could not get Capabilities value |
| * from CFG. Log error. |
| */ |
| limLog(pMac, LOGP, |
| FL("could not retrieve Capabilities value\n")); |
| } |
| swapBitField16(caps, ( tANI_U16* )&tdlsSetupRsp.Capabilities ); |
| |
| /* ipopulate supported rate IE */ |
| PopulateDot11fSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &tdlsSetupRsp.SuppRates, psessionEntry ); |
| |
| /* Populate extended supported rates */ |
| PopulateDot11fExtSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &tdlsSetupRsp.ExtSuppRates, psessionEntry ); |
| |
| /* Populate extended supported rates */ |
| PopulateDot11fTdlsExtCapability( pMac, &tdlsSetupRsp.ExtCap ); |
| |
| /* |
| * TODO: we need to see if we have to support conditions where we have |
| * EDCA parameter info element is needed a) if we need different QOS |
| * parameters for off channel operations or QOS is not supported on |
| * AP link and we wanted to QOS on direct link. |
| */ |
| /* Populate QOS info, needed for Peer U-APSD session */ |
| /* TODO: Now hardcoded, because PopulateDot11fQOSCapsStation() depends on AP's capability, and |
| TDLS doesn't want to depend on AP's capability */ |
| tdlsSetupRsp.QOSCapsStation.present = 1; |
| tdlsSetupRsp.QOSCapsStation.max_sp_length = 0; |
| tdlsSetupRsp.QOSCapsStation.qack = 0; |
| tdlsSetupRsp.QOSCapsStation.acbe_uapsd = 1; |
| tdlsSetupRsp.QOSCapsStation.acbk_uapsd = 1; |
| tdlsSetupRsp.QOSCapsStation.acvi_uapsd = 1; |
| tdlsSetupRsp.QOSCapsStation.acvo_uapsd = 1; |
| |
| /* Include HT Info IE */ |
| // if ( setupReq->HTCaps.present) |
| // { |
| PopulateDot11fHTCaps( pMac, psessionEntry, &tdlsSetupRsp.HTCaps ); |
| // } |
| |
| tdlsSetupRsp.Status.status = setupStatus ; |
| |
| /* |
| * now we pack it. First, how much space are we going to need? |
| */ |
| status = dot11fGetPackedTDLSSetupRspSize( pMac, &tdlsSetupRsp, |
| &nPayload); |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to calculate the packed size f" |
| "or a discovery Request (0x%08x).\n"), status ); |
| /* We'll fall back on the worst case scenario: */ |
| nPayload = sizeof( tDot11fProbeRequest ); |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while calculating" |
| "the packed size for a discovery Request (" |
| "0x%08x).\n"), status ); |
| } |
| |
| /* |
| * This frame is going out from PE as data frames with special ethertype |
| * 89-0d. |
| * 8 bytes of RFC 1042 header |
| */ |
| |
| |
| nBytes = nPayload + sizeof( tSirMacMgmtHdr ) |
| + sizeof( eth_890d_header ) |
| + PAYLOAD_TYPE_TDLS_SIZE |
| + addIeLen; |
| |
| /* Ok-- try to allocate memory from MGMT PKT pool */ |
| |
| halstatus = palPktAlloc( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( tANI_U16 )nBytes, ( void** ) &pFrame, |
| ( void** ) &pPacket ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to allocate %d bytes for a TDLS" |
| "Discovery Request.\n"), nBytes ); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| /* zero out the memory */ |
| palZeroMemory( pMac->hHdd, pFrame, nBytes ); |
| |
| /* |
| * IE formation, memory allocation is completed, Now form TDLS discovery |
| * request frame |
| */ |
| |
| /* fill out the buffer descriptor */ |
| |
| header_offset = limPrepareTdlsFrameHeader(pMac, pFrame, |
| LINK_IDEN_ADDR_OFFSET(tdlsSetupRsp), |
| TDLS_LINK_AP, TDLS_RESPONDER, |
| psessionEntry) ; |
| |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| if(pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_WRONG_BSSID_IN_SETUP_RSP) |
| { |
| tdlsSetupRsp.LinkIdentifier.bssid[4] = 0xde; |
| tdlsSetupRsp.LinkIdentifier.bssid[5] = 0xad; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TDLS negative running: wrong BSSID %02x:%02x:%02x:%02x:%02x:%02x in TDLS Setup Rsp\n"), \ |
| tdlsSetupRsp.LinkIdentifier.bssid[0], |
| tdlsSetupRsp.LinkIdentifier.bssid[1], |
| tdlsSetupRsp.LinkIdentifier.bssid[2], |
| tdlsSetupRsp.LinkIdentifier.bssid[3], |
| tdlsSetupRsp.LinkIdentifier.bssid[4], |
| tdlsSetupRsp.LinkIdentifier.bssid[5]); |
| } |
| #endif |
| status = dot11fPackTDLSSetupRsp( pMac, &tdlsSetupRsp, pFrame |
| + header_offset, nPayload, &nPayload ); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGE, FL("Failed to pack a TDLS discovery req \ |
| (0x%08x).\n"), status ); |
| palPktFree( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( void* ) pFrame, ( void* ) pPacket ); |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while packing TDLS" |
| "Discovery Request (0x%08x).\n") ); |
| } |
| |
| //Copy the additional IE. |
| //TODO : addIe is added at the end of the frame. This means it doesnt |
| //follow the order. This should be ok, but we should consider changing this |
| //if there is any IOT issue. |
| if( addIeLen != 0 ) |
| { |
| palCopyMemory( pMac->hHdd, pFrame + header_offset + nPayload, addIe, addIeLen ); |
| } |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Send TDLS action %d (%s)"), |
| SIR_MAC_TDLS_SETUP_RSP, limTraceTdlsActionString(SIR_MAC_TDLS_SETUP_RSP) )); |
| |
| halstatus = halTxFrame( pMac, pPacket, ( tANI_U16 ) nBytes, |
| HAL_TXRX_FRM_802_11_DATA, |
| ANI_TXDIR_TODS, |
| //ANI_TXDIR_IBSS, |
| 7, |
| limTxComplete, pFrame, 0 ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGE, FL("could not send TDLS Dis Request frame!\n" )); |
| return eSIR_FAILURE; |
| |
| } |
| |
| return eSIR_SUCCESS; |
| |
| } |
| |
| /* |
| * Send TDLS setup CNF frame on AP link |
| */ |
| |
| tSirRetStatus limSendTdlsLinkSetupCnfFrame(tpAniSirGlobal pMac, tSirMacAddr peerMac, |
| tANI_U8 dialog, tpPESession psessionEntry, tANI_U8* addIe, tANI_U16 addIeLen) |
| { |
| tDot11fTDLSSetupCnf tdlsSetupCnf ; |
| tANI_U32 status = 0 ; |
| tANI_U32 nPayload = 0 ; |
| tANI_U32 nBytes = 0 ; |
| tANI_U32 header_offset = 0 ; |
| tANI_U8 *pFrame; |
| void *pPacket; |
| eHalStatus halstatus; |
| |
| /* |
| * The scheme here is to fill out a 'tDot11fProbeRequest' structure |
| * and then hand it off to 'dot11fPackProbeRequest' (for |
| * serialization). We start by zero-initializing the structure: |
| */ |
| palZeroMemory( pMac->hHdd, ( tANI_U8* )&tdlsSetupCnf, |
| sizeof( tDot11fTDLSSetupCnf ) ); |
| |
| /* |
| * setup Fixed fields, |
| */ |
| tdlsSetupCnf.Category.category = SIR_MAC_ACTION_TDLS; |
| tdlsSetupCnf.Action.action = SIR_MAC_TDLS_SETUP_CNF ; |
| tdlsSetupCnf.DialogToken.token = dialog ; |
| |
| #if 1 |
| PopulateDot11fLinkIden( pMac, psessionEntry, &tdlsSetupCnf.LinkIdentifier, |
| peerMac, TDLS_INITIATOR) ; |
| #else |
| palCopyMemory( pMac->hHdd, (tANI_U8 *)&tdlsSetupCnf.LinkIdentifier, |
| (tANI_U8 *)&setupRsp->LinkIdentifier, sizeof(tDot11fIELinkIdentifier)) ; |
| #endif |
| |
| /* |
| * TODO: we need to see if we have to support conditions where we have |
| * EDCA parameter info element is needed a) if we need different QOS |
| * parameters for off channel operations or QOS is not supported on |
| * AP link and we wanted to QOS on direct link. |
| */ |
| |
| /* Include HT Info IE */ |
| //if ( tdlsSetupCnf.HTCaps.present) |
| //{ |
| // PopulateDot11fHTInfo( pMac, &tdlsSetupCnf.HTInfo, psessionEntry ); |
| // } |
| |
| /* |
| * now we pack it. First, how much space are we going to need? |
| */ |
| status = dot11fGetPackedTDLSSetupCnfSize( pMac, &tdlsSetupCnf, |
| &nPayload); |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to calculate the packed size f" |
| "or a discovery Request (0x%08x).\n"), status ); |
| /* We'll fall back on the worst case scenario: */ |
| nPayload = sizeof( tDot11fProbeRequest ); |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while calculating" |
| "the packed size for a discovery Request (" |
| "0x%08x).\n"), status ); |
| } |
| |
| /* |
| * This frame is going out from PE as data frames with special ethertype |
| * 89-0d. |
| * 8 bytes of RFC 1042 header |
| */ |
| |
| |
| nBytes = nPayload + sizeof( tSirMacMgmtHdr ) |
| + sizeof( eth_890d_header ) |
| + PAYLOAD_TYPE_TDLS_SIZE |
| + addIeLen; |
| |
| /* Ok-- try to allocate memory from MGMT PKT pool */ |
| |
| halstatus = palPktAlloc( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( tANI_U16 )nBytes, ( void** ) &pFrame, |
| ( void** ) &pPacket ); |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to allocate %d bytes for a TDLS" |
| "Discovery Request.\n"), nBytes ); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| /* zero out the memory */ |
| palZeroMemory( pMac->hHdd, pFrame, nBytes ); |
| |
| /* |
| * IE formation, memory allocation is completed, Now form TDLS discovery |
| * request frame |
| */ |
| |
| /* fill out the buffer descriptor */ |
| |
| header_offset = limPrepareTdlsFrameHeader(pMac, pFrame, |
| LINK_IDEN_ADDR_OFFSET(tdlsSetupCnf), TDLS_LINK_AP, TDLS_INITIATOR, |
| psessionEntry) ; |
| |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| if(pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_STATUS_37_IN_SETUP_CNF) { |
| tdlsSetupCnf.StatusCode.statusCode = 37; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TDLS negative running: StatusCode = 37 in TDLS Setup Cnf\n")); |
| } |
| #endif |
| status = dot11fPackTDLSSetupCnf( pMac, &tdlsSetupCnf, pFrame |
| + header_offset, nPayload, &nPayload ); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGE, FL("Failed to pack a TDLS discovery req \ |
| (0x%08x).\n"), status ); |
| palPktFree( pMac->hHdd, HAL_TXRX_FRM_802_11_MGMT, |
| ( void* ) pFrame, ( void* ) pPacket ); |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while packing TDLS" |
| "Discovery Request (0x%08x).\n") ); |
| } |
| #if 0 |
| if(pMac->hal.pCBackFnTxComp == NULL) |
| { |
| pMac->hal.pCBackFnTxComp = (tpCBackFnTxComp)limTdlsSetupCnfTxComplete; |
| if(TX_SUCCESS != tx_timer_activate(&pMac->hal.txCompTimer)) |
| { |
| status = eHAL_STATUS_FAILURE; |
| return status; |
| |
| } |
| } |
| else |
| { |
| VOS_ASSERT(0) ; |
| return status ; |
| } |
| #endif |
| //Copy the additional IE. |
| //TODO : addIe is added at the end of the frame. This means it doesnt |
| //follow the order. This should be ok, but we should consider changing this |
| //if there is any IOT issue. |
| if( addIeLen != 0 ) |
| { |
| palCopyMemory( pMac->hHdd, pFrame + header_offset + nPayload, addIe, addIeLen ); |
| } |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Send TDLS action %d (%s)"), |
| SIR_MAC_TDLS_SETUP_CNF, limTraceTdlsActionString(SIR_MAC_TDLS_SETUP_CNF) )); |
| |
| halstatus = halTxFrameWithTxComplete( pMac, pPacket, ( tANI_U16 ) nBytes, |
| HAL_TXRX_FRM_802_11_DATA, |
| ANI_TXDIR_TODS, |
| 7, |
| limTxComplete, pFrame, |
| limTdlsSetupCnfTxComplete, |
| 0 ); |
| |
| |
| if ( ! HAL_STATUS_SUCCESS ( halstatus ) ) |
| { |
| limLog( pMac, LOGE, FL("could not send TDLS Dis Request frame!\n" )); |
| return eSIR_FAILURE; |
| |
| } |
| |
| return eSIR_SUCCESS; |
| } |
| |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| /* |
| * Convert HT caps to lim based HT caps |
| */ |
| static void limTdlsCovertHTCaps(tpAniSirGlobal pMac , |
| tSirTdlsPeerInfo *peerInfo, tDot11fIEHTCaps *HTCaps) |
| { |
| |
| /* HT Capability Info */ |
| peerInfo->tdlsPeerHtCaps.advCodingCap = HTCaps->advCodingCap ; |
| peerInfo->tdlsPeerHtCaps.supportedChannelWidthSet = |
| HTCaps->supportedChannelWidthSet ; |
| peerInfo->tdlsPeerHtCaps.mimoPowerSave = HTCaps->mimoPowerSave ; |
| peerInfo->tdlsPeerHtCaps.greenField = HTCaps->greenField ; |
| peerInfo->tdlsPeerHtCaps.shortGI20MHz = HTCaps->shortGI20MHz ; |
| peerInfo->tdlsPeerHtCaps.shortGI40MHz = HTCaps->shortGI40MHz ; |
| peerInfo->tdlsPeerHtCaps.txSTBC = HTCaps->txSTBC ; |
| peerInfo->tdlsPeerHtCaps.rxSTBC = HTCaps->rxSTBC ; |
| peerInfo->tdlsPeerHtCaps.delayedBA = HTCaps->delayedBA; |
| peerInfo->tdlsPeerHtCaps.maximalAMSDUsize = HTCaps->maximalAMSDUsize ; |
| peerInfo->tdlsPeerHtCaps.dsssCckMode40MHz = HTCaps->dsssCckMode40MHz ; |
| peerInfo->tdlsPeerHtCaps.psmp = HTCaps->stbcControlFrame ; |
| peerInfo->tdlsPeerHtCaps.stbcControlFrame = HTCaps->stbcControlFrame ; |
| peerInfo->tdlsPeerHtCaps.lsigTXOPProtection = |
| HTCaps->lsigTXOPProtection ; |
| |
| /* HT Capa parameters */ |
| peerInfo->tdlsPeerHtParams.maxRxAMPDUFactor = HTCaps->maxRxAMPDUFactor ; |
| peerInfo->tdlsPeerHtParams.mpduDensity = HTCaps->mpduDensity ; |
| peerInfo->tdlsPeerHtParams.reserved = HTCaps->reserved1 ; |
| |
| /* Extended HT caps */ |
| peerInfo->tdlsPeerHtExtCaps.pco = HTCaps->pco ; |
| peerInfo->tdlsPeerHtExtCaps.transitionTime = HTCaps->transitionTime ; |
| peerInfo->tdlsPeerHtExtCaps.mcsFeedback = HTCaps->mcsFeedback ; |
| palCopyMemory(pMac->hHdd, peerInfo->supportedMCSSet, |
| HTCaps->supportedMCSSet, SIZE_OF_SUPPORTED_MCS_SET) ; |
| |
| return ; |
| } |
| |
| /* |
| * update capability info.. |
| */ |
| void tdlsUpdateCapInfo(tSirMacCapabilityInfo *capabilityInfo, |
| tDot11fFfCapabilities *Capabilities) |
| { |
| |
| capabilityInfo->ess = Capabilities->ess; |
| capabilityInfo->ibss = Capabilities->ibss; |
| capabilityInfo->cfPollable = Capabilities->cfPollable; |
| capabilityInfo->cfPollReq = Capabilities->cfPollReq; |
| capabilityInfo->privacy = Capabilities->privacy; |
| capabilityInfo->shortPreamble = Capabilities->shortPreamble; |
| capabilityInfo->pbcc = Capabilities->pbcc; |
| capabilityInfo->channelAgility = Capabilities->channelAgility; |
| capabilityInfo->spectrumMgt = Capabilities->spectrumMgt; |
| capabilityInfo->qos = Capabilities->qos; |
| capabilityInfo->shortSlotTime = Capabilities->shortSlotTime; |
| capabilityInfo->apsd = Capabilities->apsd; |
| capabilityInfo->rrm = Capabilities->rrm; |
| capabilityInfo->dsssOfdm = Capabilities->dsssOfdm; |
| capabilityInfo->immediateBA = Capabilities->immediateBA; |
| |
| return ; |
| } |
| |
| /* |
| * update Peer info from the link request frame recieved from Peer.. |
| * in list of STA participating in TDLS link setup |
| */ |
| void limTdlsUpdateLinkReqPeerInfo(tpAniSirGlobal pMac, |
| tLimTdlsLinkSetupPeer *setupPeer, |
| tDot11fTDLSSetupReq *setupReq) |
| { |
| |
| /* Populate peer info of tdls discovery result */ |
| |
| tdlsUpdateCapInfo(&setupPeer->capabilityInfo , &setupReq->Capabilities) ; |
| |
| if(setupReq->SuppRates.present) |
| { |
| ConvertSuppRates( pMac, &setupPeer->supportedRates, |
| &setupReq->SuppRates ); |
| } |
| |
| /* update QOS info, needed for Peer U-APSD session */ |
| if(setupReq->QOSCapsStation.present) |
| { |
| ConvertQOSCapsStation(pMac->hHdd, &setupPeer->qosCaps, |
| &setupReq->QOSCapsStation) ; |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR,("setupReq->SPLen=%d (be %d %d %d %d vo) more %d qack %d.\n"), \ |
| setupReq->QOSCapsStation.max_sp_length, setupReq->QOSCapsStation.acbe_uapsd, \ |
| setupReq->QOSCapsStation.acbk_uapsd, setupReq->QOSCapsStation.acvi_uapsd, \ |
| setupReq->QOSCapsStation.acvo_uapsd, setupReq->QOSCapsStation.more_data_ack, \ |
| setupReq->QOSCapsStation.qack)); |
| } |
| |
| if(setupReq->ExtSuppRates.present) |
| { |
| setupPeer->ExtRatesPresent = 1; |
| ConvertExtSuppRates( pMac, &setupPeer->extendedRates, |
| &setupReq->ExtSuppRates ); |
| } |
| /* update HT caps */ |
| if(setupReq->HTCaps.present) |
| { |
| palCopyMemory(pMac->hHdd, &setupPeer->tdlsPeerHTCaps, |
| &setupReq->HTCaps, sizeof(tDot11fIEHTCaps)) ; |
| } |
| /* Update EXT caps */ |
| if(setupReq->ExtCap.present) |
| { |
| palCopyMemory(pMac->hHdd, &setupPeer->tdlsPeerExtCaps, |
| &setupReq->ExtCap, sizeof(tDot11fIEExtCap)) ; |
| } |
| |
| return ; |
| } |
| |
| /* |
| * update peer Info recieved with TDLS setup RSP |
| */ |
| void limTdlsUpdateLinkRspPeerInfo(tpAniSirGlobal pMac, |
| tLimTdlsLinkSetupPeer *setupPeer, |
| tDot11fTDLSSetupRsp *setupRsp) |
| { |
| |
| /* Populate peer info of tdls discovery result */ |
| tdlsUpdateCapInfo(&setupPeer->capabilityInfo , &setupRsp->Capabilities) ; |
| |
| if(setupRsp->SuppRates.present) |
| { |
| tDot11fIESuppRates *suppRates = &setupRsp->SuppRates ; |
| ConvertSuppRates( pMac, &setupPeer->supportedRates, suppRates); |
| } |
| |
| /* update QOS info, needed for Peer U-APSD session */ |
| if(setupRsp->QOSCapsStation.present) |
| { |
| ConvertQOSCapsStation(pMac->hHdd, &setupPeer->qosCaps, |
| &setupRsp->QOSCapsStation) ; |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("setupRsp->SPLen=%d (be %d %d %d %d vo) more %d qack %d.\n"), \ |
| setupRsp->QOSCapsStation.max_sp_length, setupRsp->QOSCapsStation.acbe_uapsd, \ |
| setupRsp->QOSCapsStation.acbk_uapsd, setupRsp->QOSCapsStation.acvi_uapsd, \ |
| setupRsp->QOSCapsStation.acvo_uapsd, setupRsp->QOSCapsStation.more_data_ack, \ |
| setupRsp->QOSCapsStation.qack)); |
| } |
| |
| if(setupRsp->ExtSuppRates.present) |
| { |
| setupPeer->ExtRatesPresent = 1; |
| ConvertExtSuppRates( pMac, &setupPeer->extendedRates, |
| &setupRsp->ExtSuppRates ); |
| } |
| /* update HT caps */ |
| if(setupRsp->HTCaps.present) |
| { |
| palCopyMemory(pMac->hHdd, &setupPeer->tdlsPeerHTCaps, |
| &setupRsp->HTCaps, sizeof(tDot11fIEHTCaps)) ; |
| } |
| |
| /* update EXT caps */ |
| if(setupRsp->ExtCap.present) |
| { |
| palCopyMemory(pMac->hHdd, &setupPeer->tdlsPeerExtCaps, |
| &setupRsp->ExtCap, sizeof(tDot11fIEExtCap)) ; |
| } |
| |
| return ; |
| } |
| #endif |
| /* |
| * update HASH node entry info |
| */ |
| static void limTdlsUpdateHashNodeInfo(tpAniSirGlobal pMac, tDphHashNode *pStaDs, |
| tLimTdlsLinkSetupPeer *setupPeerInfo, tpPESession psessionEntry) |
| { |
| //tDot11fIEHTCaps *htCaps = &setupPeerInfo->tdlsPeerHTCaps ; |
| tDot11fIEHTCaps htCap, *htCaps; |
| tpDphHashNode pSessStaDs = NULL; |
| tANI_U16 aid; |
| |
| //HACK- to get the session's htcaps. |
| PopulateDot11fHTCaps(pMac, psessionEntry, &htCap); |
| htCaps = &htCap; |
| if(htCaps->present) |
| { |
| pStaDs->mlmStaContext.htCapability = 1 ; |
| pStaDs->htGreenfield = htCaps->greenField ; |
| pStaDs->htSupportedChannelWidthSet = htCaps->supportedChannelWidthSet ; |
| pStaDs->htMIMOPSState = htCaps->mimoPowerSave ; |
| pStaDs->htMaxAmsduLength = htCaps->maximalAMSDUsize; |
| pStaDs->htAMpduDensity = htCaps->mpduDensity; |
| pStaDs->htDsssCckRate40MHzSupport = htCaps->dsssCckMode40MHz ; |
| pStaDs->htShortGI20Mhz = htCaps->shortGI20MHz; |
| pStaDs->htShortGI40Mhz = htCaps->shortGI40MHz; |
| pStaDs->htMaxRxAMpduFactor = htCaps->maxRxAMPDUFactor; |
| limFillRxHighestSupportedRate(pMac, |
| &pStaDs->supportedRates.rxHighestDataRate, |
| htCaps->supportedMCSSet); |
| pStaDs->baPolicyFlag = 0xFF; |
| |
| pMac->lim.gLimTdlsLinkMode = TDLS_LINK_MODE_N ; |
| } |
| else |
| { |
| pStaDs->mlmStaContext.htCapability = 0 ; |
| pMac->lim.gLimTdlsLinkMode = TDLS_LINK_MODE_BG ; |
| } |
| |
| pSessStaDs = dphLookupHashEntry(pMac, psessionEntry->bssId, &aid, |
| &psessionEntry->dph.dphHashTable) ; |
| |
| /* Lets enable QOS parameter */ |
| pStaDs->qosMode = 1; |
| pStaDs->wmeEnabled = 1; |
| pStaDs->lleEnabled = 0; |
| pStaDs->qos.capability.qosInfo = pSessStaDs->qos.capability.qosInfo; //setupPeerInfo->qosCaps.qosInfo; |
| |
| /* populate matching rate set */ |
| #if 0 |
| #ifdef WLAN_FEATURE_11AC |
| limPopulateMatchingRateSet(pMac, pStaDs, &setupPeerInfo->supportedRates, |
| &setupPeerInfo->extendedRates, |
| (tANI_U8 *)setupPeerInfo->tdlsPeerHTCaps.supportedMCSSet, |
| &pStaDs->mlmStaContext.propRateSet, psessionEntry, NULL); |
| #else |
| limPopulateMatchingRateSet(pMac, pStaDs, &setupPeerInfo->supportedRates, |
| &setupPeerInfo->extendedRates, |
| (tANI_U8 *)setupPeerInfo->tdlsPeerHTCaps.supportedMCSSet, |
| &pStaDs->mlmStaContext.propRateSet, psessionEntry); |
| #endif |
| #else |
| palCopyMemory( pMac->hHdd, &pStaDs->supportedRates, &pSessStaDs->supportedRates, sizeof(pStaDs->supportedRates)); |
| #endif |
| |
| pStaDs->mlmStaContext.capabilityInfo = pSessStaDs->mlmStaContext.capabilityInfo;// setupPeerInfo->capabilityInfo; |
| |
| return ; |
| } |
| |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| /* |
| * find Peer in setup link list. |
| */ |
| |
| tANI_U8 limTdlsFindLinkPeer(tpAniSirGlobal pMac, tSirMacAddr peerMac, |
| tLimTdlsLinkSetupPeer **setupPeer) |
| { |
| tLimTdlsLinkSetupInfo *setupInfo = &pMac->lim.gLimTdlsLinkSetupInfo ; |
| tLimTdlsLinkSetupPeer *linkSetupList = setupInfo->tdlsLinkSetupList ; |
| tANI_U8 checkNode = TDLS_NODE_NOT_FOUND ; |
| |
| while (linkSetupList != NULL) |
| { |
| if (palEqualMemory( pMac->hHdd,(tANI_U8 *) peerMac, |
| (tANI_U8 *) linkSetupList->peerMac, |
| sizeof(tSirMacAddr)) ) |
| { |
| checkNode = TDLS_NODE_FOUND ; |
| *setupPeer = linkSetupList ; |
| break ; |
| } |
| linkSetupList = linkSetupList->next; |
| } |
| |
| return ((TDLS_NODE_FOUND == checkNode) ? eSIR_SUCCESS : eSIR_FAILURE ) ; |
| } |
| |
| /* |
| * find peer in Discovery list. |
| * Dicovery list get populated in two instances, a) Recieved responses in reply |
| * to discovery request b) If discover request is received from TDLS peer STA |
| */ |
| tSirTdlsPeerInfo *limTdlsFindDisPeer(tpAniSirGlobal pMac, tSirMacAddr peerMac) |
| { |
| tLimDisResultList *discoveryList = pMac->lim.gLimTdlsDisResultList ; |
| tSirTdlsPeerInfo *peerInfo = NULL ; |
| |
| while (discoveryList != NULL) |
| { |
| peerInfo = &discoveryList->tdlsDisPeerInfo ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Peer in discovery list = %02x, %02x, %02x, %02x, %02x, %02x \n"), |
| peerInfo->peerMac[0], |
| peerInfo->peerMac[1], |
| peerInfo->peerMac[2], |
| peerInfo->peerMac[3], |
| peerInfo->peerMac[4], |
| peerInfo->peerMac[5]) ; |
| |
| if (palEqualMemory( pMac->hHdd,(tANI_U8 *) peerMac, |
| (tANI_U8 *) &peerInfo->peerMac, sizeof(tSirMacAddr)) ) |
| { |
| break ; |
| } |
| discoveryList = discoveryList->next; |
| } |
| |
| return peerInfo ; |
| } |
| |
| /* |
| * find peer in Discovery list by looking into peer state. |
| * Dicovery list get populated in two instances, a) Recieved responses in reply |
| * to discovery request b) If discover request is received from TDLS peer STA |
| */ |
| static tSirTdlsPeerInfo *limTdlsFindDisPeerByState(tpAniSirGlobal pMac, |
| tANI_U8 state) |
| { |
| tLimDisResultList *discoveryList = pMac->lim.gLimTdlsDisResultList ; |
| tSirTdlsPeerInfo *peerInfo = NULL ; |
| |
| while (discoveryList != NULL) |
| { |
| peerInfo = &discoveryList->tdlsDisPeerInfo ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("peerInfo Mac = %02x, %02x, %02x, %02x, %02x, %02x "), |
| peerInfo->peerMac[0], |
| peerInfo->peerMac[1], |
| peerInfo->peerMac[2], |
| peerInfo->peerMac[3], |
| peerInfo->peerMac[4], |
| peerInfo->peerMac[5]) ; |
| |
| if (peerInfo->tdlsPeerState == state) |
| { |
| break ; |
| } |
| discoveryList = discoveryList->next; |
| } |
| |
| return peerInfo ; |
| } |
| |
| /* |
| * find peer in Setup list by looking into peer state. |
| * setup list get populated in two instances, a) Recieved responses in reply |
| * to setup request b) If discover request is received from TDLS peer STA |
| */ |
| static tANI_U8 limTdlsFindSetupPeerByState(tpAniSirGlobal pMac, tANI_U8 state, |
| tLimTdlsLinkSetupPeer **setupPeer) |
| { |
| |
| tLimTdlsLinkSetupInfo *setupInfo = &pMac->lim.gLimTdlsLinkSetupInfo ; |
| tLimTdlsLinkSetupPeer *linkSetupList = setupInfo->tdlsLinkSetupList ; |
| tANI_U8 checkNode = TDLS_NODE_NOT_FOUND ; |
| |
| while (linkSetupList != NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("peer state = %02x\n"), (linkSetupList)->tdls_link_state) ; |
| if((linkSetupList)->tdls_link_state == state) |
| { |
| checkNode = TDLS_NODE_FOUND ; |
| *setupPeer = linkSetupList ; |
| break ; |
| } |
| linkSetupList = (linkSetupList)->next; |
| } |
| |
| return ((TDLS_NODE_FOUND == checkNode) ? eSIR_SUCCESS: eSIR_FAILURE) ; |
| } |
| |
| |
| /* |
| * delete Peer from Setup Link |
| */ |
| void limTdlsDelLinkPeer(tpAniSirGlobal pMac, tSirMacAddr peerMac) |
| { |
| tLimTdlsLinkSetupInfo *setupInfo = &pMac->lim.gLimTdlsLinkSetupInfo ; |
| tLimTdlsLinkSetupPeer **linkSetupList = &setupInfo->tdlsLinkSetupList ; |
| tLimTdlsLinkSetupPeer *currentNode = NULL ; |
| tLimTdlsLinkSetupPeer *prevNode = NULL ; |
| |
| for(currentNode = *linkSetupList ; currentNode != NULL ; |
| prevNode = currentNode, currentNode = currentNode->next) |
| { |
| if (palEqualMemory( pMac->hHdd,(tANI_U8 *) peerMac, |
| (tANI_U8 *) currentNode->peerMac, |
| sizeof(tSirMacAddr)) ) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Del Node for Peer = %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| currentNode->peerMac[0], |
| currentNode->peerMac[1], |
| currentNode->peerMac[2], |
| currentNode->peerMac[3], |
| currentNode->peerMac[4], |
| currentNode->peerMac[5]) ; |
| /* if it's first Node */ |
| if(NULL == prevNode) |
| { |
| *linkSetupList = currentNode->next ; |
| } |
| else |
| { |
| prevNode->next = currentNode->next ; |
| } |
| palFreeMemory(pMac, currentNode) ; |
| return ; |
| } |
| } |
| |
| return ; |
| } |
| |
| |
| |
| /* |
| * TDLS discovery request frame received from TDLS peer STA.. |
| */ |
| static tSirRetStatus limProcessTdlsDisReqFrame(tpAniSirGlobal pMac, |
| tANI_U8 *pBody, tANI_U32 frmLen ) |
| { |
| tDot11fTDLSDisReq tdlsDisReq = {{0}} ; |
| tANI_U32 status = 0 ; |
| tLimDisResultList *tdlsDisResult = NULL ; |
| tLimDisResultList **disResultList = &pMac->lim.gLimTdlsDisResultList ; |
| tSirMacAddr peerMac = {0} ; |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| tSirTdlsPeerInfo *peerInfo = NULL ; |
| tpPESession psessionEntry = NULL ; |
| tANI_U8 sessionId = 0 ; |
| |
| status = dot11fUnpackTDLSDisReq(pMac, pBody, frmLen, &tdlsDisReq) ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_WARN, |
| ("TDLS dis request dialog = %d\n"), tdlsDisReq.DialogToken.token); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog(pMac, LOGE, FL("Failed to parse TDLS discovery Request \ |
| frame (0x%08x, %d bytes):\n"),status, frmLen); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while unpacking an\ |
| TDLS discovery Request frame (0x%08x," "%d bytes):\n"), |
| status, frmLen ); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| } |
| |
| /* |
| * find session entry using BSSID in link identifier, not using MAC |
| * header beacuse, there is cases in TDLS, there may be BSSID will not |
| * be present in header |
| */ |
| psessionEntry = peFindSessionByBssid(pMac, |
| &tdlsDisReq.LinkIdentifier.bssid[0], &sessionId) ; |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, \ |
| ("no Seesion entry for TDLS session (bssid %02x:%02x:%02x:%02x:%02x:%02x)\n"), \ |
| tdlsDisReq.LinkIdentifier.bssid[0], |
| tdlsDisReq.LinkIdentifier.bssid[1], |
| tdlsDisReq.LinkIdentifier.bssid[2], |
| tdlsDisReq.LinkIdentifier.bssid[3], |
| tdlsDisReq.LinkIdentifier.bssid[4], |
| tdlsDisReq.LinkIdentifier.bssid[5]) ; |
| |
| //VOS_ASSERT(0) ; |
| return eSIR_FAILURE; |
| } |
| |
| /* varify BSSID */ |
| status = palEqualMemory(pMac->hHdd, &psessionEntry->bssId[0], |
| &tdlsDisReq.LinkIdentifier.bssid[0], sizeof(tSirMacAddr)) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("lim BSSID %02x, %02x, %02x, %02x, %02x, %02x\n"), |
| psessionEntry->bssId[0], |
| psessionEntry->bssId[1], |
| psessionEntry->bssId[2], |
| psessionEntry->bssId[3], |
| psessionEntry->bssId[4], |
| psessionEntry->bssId[5]) ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Dis req from BSSID %02x, %02x, %02x, %02x, %02x, %02x\n"), |
| tdlsDisReq.LinkIdentifier.bssid[0], |
| tdlsDisReq.LinkIdentifier.bssid[1], |
| tdlsDisReq.LinkIdentifier.bssid[2], |
| tdlsDisReq.LinkIdentifier.bssid[3], |
| tdlsDisReq.LinkIdentifier.bssid[4], |
| tdlsDisReq.LinkIdentifier.bssid[5] |
| ) ; |
| if(!status) |
| { |
| limLog( pMac, LOGE, FL("TDLS discovery request frame from other BSS -> something wrong. Check RXP filter\n")) ; |
| |
| return eSIR_FAILURE ; |
| } |
| |
| /* |
| * check if this is echo of our transmitted discovery request |
| * drop it here, TODO: better to drop this in TL. |
| */ |
| status = palEqualMemory(pMac->hHdd, psessionEntry->selfMacAddr, |
| &tdlsDisReq.LinkIdentifier.InitStaAddr[0], |
| sizeof(tSirMacAddr)) ; |
| if(status) |
| { |
| limLog( pMac, LOGE, FL("Echo of our TDLS discovery request frame\n")) ; |
| return eSIR_FAILURE ; |
| } |
| |
| /* |
| * while processing Discovery request from Peer, |
| * STA_MAC--> MAC of TDLS discovery initiator |
| * STA_PEER_MAC--> MAC of TDLS discovery responder. |
| */ |
| palCopyMemory(pMac->hHdd, peerMac, |
| &tdlsDisReq.LinkIdentifier.InitStaAddr[0], |
| sizeof(tSirMacAddr)) ; |
| /* TODO, do more validation */ |
| |
| /* see if discovery is already in progress */ |
| peerInfo = limTdlsFindDisPeer(pMac, peerMac) ; |
| |
| if(NULL == peerInfo) |
| { |
| /* |
| * we are allocating peer info for individual peers found in TDLS |
| * discovery, we need to keep adding TDLS peers till we have timed |
| * out. We are freeing this memory at the time we are sending this |
| * collected peer info to SME. |
| */ |
| status = palAllocateMemory(pMac->hHdd, (void **)&tdlsDisResult, |
| sizeof(tLimDisResultList)) ; |
| |
| if(status != eHAL_STATUS_SUCCESS) |
| { |
| limLog(pMac, LOGP, FL("alloc fail for TDLS discovery \ |
| reponse info\n")) ; |
| return eSIR_FAILURE ; |
| } |
| |
| |
| peerInfo = &tdlsDisResult->tdlsDisPeerInfo ; |
| peerInfo->tdlsPeerState = TDLS_DIS_REQ_PROCESS_STATE ; |
| peerInfo->dialog = tdlsDisReq.DialogToken.token ; |
| |
| peerInfo->sessionId = psessionEntry->peSessionId; |
| |
| /* Populate peer info of tdls discovery result */ |
| status = palCopyMemory(pMac->hHdd, peerInfo->peerMac, peerMac, |
| sizeof(tSirMacAddr)) ; |
| |
| /* |
| * Now, as per D13, there will not be any Supp rates, ext Supp rates |
| * info in Discovery request frames, so we are populating this info |
| * locally to pass it to ADD STA. |
| */ |
| do |
| { |
| tDot11fIESuppRates suppRates = {0} ; |
| tDot11fIEExtSuppRates extSuppRates = {0} ; |
| tANI_U16 caps = 0 ; |
| tDot11fFfCapabilities capsInfo = {0} ; |
| tDot11fIEHTCaps HTCaps = {0} ; |
| /* populate supported rate IE */ |
| PopulateDot11fSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &suppRates, psessionEntry ); |
| ConvertSuppRates( pMac, &peerInfo->tdlsPeerSuppRates, |
| &suppRates); |
| /* Populate extended supported rates */ |
| PopulateDot11fExtSuppRates( pMac, POPULATE_DOT11F_RATES_OPERATIONAL, |
| &extSuppRates, psessionEntry ); |
| |
| peerInfo->ExtRatesPresent = 1; |
| ConvertExtSuppRates( pMac, &peerInfo->tdlsPeerExtRates, |
| &extSuppRates); |
| |
| if(cfgGetCapabilityInfo(pMac, &caps, psessionEntry) != eSIR_SUCCESS) |
| { |
| /* |
| * Could not get Capabilities value |
| * from CFG. Log error. |
| */ |
| limLog(pMac, LOGP, |
| FL("could not retrieve Capabilities value\n")); |
| } |
| swapBitField16(caps, ( tANI_U16* )&capsInfo ); |
| /* update Caps Info */ |
| tdlsUpdateCapInfo(&peerInfo->capabilityInfo , &capsInfo) ; |
| |
| PopulateDot11fHTCaps( pMac, psessionEntry, &HTCaps ); |
| limTdlsCovertHTCaps(pMac, peerInfo, &HTCaps) ; |
| |
| } while (0) ; |
| |
| /* now add this new found discovery node into tdls discovery list */ |
| tdlsDisResult->next = *disResultList ; |
| *disResultList = tdlsDisResult ; |
| pMac->lim.gLimTdlsDisStaCount++ ; |
| |
| /* See if for this peer already entry in setup Link */ |
| limTdlsFindLinkPeer(pMac, peerMac, &setupPeer) ; |
| |
| /* |
| * if there is no entry for this peer in setup list, we need to |
| * do add sta for this peer to transmit discovery rsp. |
| */ |
| if(NULL == setupPeer) |
| { |
| /* To start with, send add STA request to HAL */ |
| pMac->lim.gLimAddStaTdls = true ; |
| peerInfo->delStaNeeded = true ; |
| |
| if(eSIR_FAILURE == limTdlsDisAddSta(pMac, peerMac, |
| peerInfo, psessionEntry)) |
| { |
| VOS_ASSERT(0) ; |
| limLog(pMac, LOGE, "Add STA for dis response is failed \n") ; |
| return eSIR_FAILURE ; |
| } |
| } /* use setup link sta ID for discovery rsp */ |
| else |
| { |
| peerInfo->delStaNeeded = false ; |
| limSendTdlsDisRspFrame(pMac, peerInfo->peerMac, peerInfo->dialog, psessionEntry) ; |
| peerInfo->tdlsPeerState = TDLS_DIS_RSP_SENT_WAIT_STATE ; |
| } |
| |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("discovery procedure in progress for this peer\n")) ; |
| } |
| |
| return eSIR_SUCCESS ; |
| } |
| |
| /* Process TDLS setup Request Frame */ |
| |
| static tSirRetStatus limProcessTdlsSetupReqFrame(tpAniSirGlobal pMac, |
| tANI_U8 *pBody, tANI_U32 frmLen) |
| { |
| |
| tDot11fTDLSSetupReq tdlsSetupReq = {{0}} ; |
| tANI_U32 status = 0 ; |
| tpPESession psessionEntry = NULL ; |
| tANI_U8 sessionId = 0 ; |
| tANI_U8 currentState = TDLS_LINK_SETUP_WAIT_STATE ; |
| tANI_U8 previousState = TDLS_LINK_IDLE_STATE ; |
| /* create node for Link setup */ |
| tLimTdlsLinkSetupInfo *linkSetupInfo = &pMac->lim.gLimTdlsLinkSetupInfo ; |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| tLimTdlsLinkSetupPeer *tmpSetupPeer = NULL ; |
| |
| status = dot11fUnpackTDLSSetupReq(pMac, pBody, frmLen, &tdlsSetupReq) ; |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog(pMac, LOGE, FL("Failed to parse TDLS discovery Request \ |
| frame (0x%08x, %d bytes):\n"),status, frmLen); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while unpacking an\ |
| TDLS setup Request frame (0x%08x," "%d bytes):\n"), |
| status, pBody ); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| } |
| /* |
| * find session entry using BSSID in link identifier, not using MAC |
| * header beacuse, there is cases in TDLS, there may be BSSID will not |
| * be present in header |
| */ |
| psessionEntry = peFindSessionByBssid(pMac, |
| &tdlsSetupReq.LinkIdentifier.bssid[0], &sessionId) ; |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, \ |
| ("no Seesion entry for TDLS session (bssid %02x:%02x:%02x:%02x:%02x:%02x)\n"), \ |
| tdlsSetupReq.LinkIdentifier.bssid[0], |
| tdlsSetupReq.LinkIdentifier.bssid[1], |
| tdlsSetupReq.LinkIdentifier.bssid[2], |
| tdlsSetupReq.LinkIdentifier.bssid[3], |
| tdlsSetupReq.LinkIdentifier.bssid[4], |
| tdlsSetupReq.LinkIdentifier.bssid[5]) ; |
| |
| //VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| /* TODO: we don;t need this check now, varify BSSID */ |
| status = palEqualMemory(pMac->hHdd, psessionEntry->bssId, |
| &tdlsSetupReq.LinkIdentifier.bssid[0], |
| sizeof(tSirMacAddr)) ; |
| |
| if(!status) |
| { |
| limLog( pMac, LOGE, FL("TDLS setup request frame from other BSS -> something wrong. Check RXP filter\n")) ; |
| |
| limSendTdlsSetupRspFrame(pMac, tdlsSetupReq.LinkIdentifier.InitStaAddr, tdlsSetupReq.DialogToken.token , psessionEntry, |
| TDLS_SETUP_STATUS_FAILURE, NULL, 0 ) ; |
| return eSIR_FAILURE ; |
| } |
| |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| if(pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_RSP_TIMEOUT_TO_SETUP_REQ) |
| { |
| /* simply ignore this setup request packet */ |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TDLS negative running: ignore TDLS Setup Req packet\n")); |
| return eSIR_SUCCESS ; |
| } |
| if(pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_SEND_REQ_TO_SETUP_REQ) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("TDLS negative running: send TDLS Setup Req to peer TDLS Setup Req\n")); |
| /* format TDLS discovery request frame and transmit it */ |
| limSendTdlsLinkSetupReqFrame(pMac, tdlsSetupReq.LinkIdentifier.InitStaAddr, tdlsSetupReq.DialogToken.token, psessionEntry, |
| NULL, 0) ; |
| } |
| #endif |
| /* TODO, do more validation */ |
| |
| if(!limTdlsFindLinkPeer(pMac, |
| &tdlsSetupReq.LinkIdentifier.InitStaAddr[0], |
| &tmpSetupPeer)) |
| { |
| tANI_U32 tdlsStateStatus = TDLS_LINK_SETUP_START_STATE ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("Link is already setup with this peer\n" )) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("state = %d\n"), tmpSetupPeer->tdls_link_state) ; |
| //return eSIR_FAILURE ; |
| |
| if(tmpSetupPeer == NULL) |
| { |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| |
| } |
| switch(tmpSetupPeer->tdls_link_state) |
| { |
| |
| case TDLS_LINK_SETUP_START_STATE: |
| { |
| v_SINT_t macCompare = 0 ; |
| macCompare= vos_mem_compare2(tmpSetupPeer->peerMac, |
| psessionEntry->selfMacAddr, sizeof(tSirMacAddr)) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("MAC comparison Rslt = %d\n"), macCompare ) ; |
| if(0 > macCompare) |
| { |
| /* |
| * Delete our Setup Request/Peer info and honour Peer |
| * Setup Request, go ahead and respond for this |
| */ |
| /* Deactivate the timer */ |
| tx_timer_deactivate(&tmpSetupPeer->gLimTdlsLinkSetupRspTimeoutTimer) ; |
| #ifdef FEATURE_WLAN_TDLS_NEGATIVE |
| if((pMac->lim.gLimTdlsNegativeBehavior & LIM_TDLS_NEGATIVE_SEND_REQ_TO_SETUP_REQ) |
| != LIM_TDLS_NEGATIVE_SEND_REQ_TO_SETUP_REQ) |
| #endif |
| limSendSmeTdlsLinkStartRsp(pMac, eSIR_FAILURE, |
| tmpSetupPeer->peerMac, eWNI_SME_TDLS_LINK_START_RSP); |
| |
| limTdlsDelLinkPeer(pMac, tmpSetupPeer->peerMac) ; |
| tdlsStateStatus = TDLS_LINK_IDLE_STATE ; |
| } |
| else if(0 < macCompare) |
| { |
| /* |
| * Go ahead with current setup as peer is going to |
| * respond for setup request |
| */ |
| tdlsStateStatus = TDLS_LINK_SETUP_START_STATE ; |
| } |
| else |
| { |
| /* same MAC, not possible */ |
| VOS_ASSERT(0) ; |
| } |
| |
| break ; |
| } |
| #if 1 |
| case TDLS_LINK_SETUP_DONE_STATE: |
| { |
| tpDphHashNode pStaDs = NULL ; |
| |
| previousState = TDLS_LINK_SETUP_WAIT_STATE ; |
| currentState = TDLS_LINK_TEARDOWN_START_STATE ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("link Setup Done state " )) ; |
| tmpSetupPeer->tdls_prev_link_state = previousState ; |
| tmpSetupPeer->tdls_link_state = currentState ; |
| setupPeer = tmpSetupPeer ; |
| #if 0 |
| /* Send Teardown to this Peer and Initiate new TDLS Setup */ |
| limSendTdlsTeardownFrame(pMac, |
| &tdlsSetupReq.LinkIdentifier.InitStaAddr[0], |
| eSIR_MAC_TDLS_TEARDOWN_UNSPEC_REASON, psessionEntry) ; |
| #else |
| |
| /* tdls_hklee: send message to HAL before it is deleted, cause */ |
| limTdlsLinkTeardown(pMac, (setupPeer)->peerMac) ; |
| |
| /* send del STA to remove context for this TDLS STA */ |
| pStaDs = limTdlsDelSta(pMac, (setupPeer)->peerMac, psessionEntry) ; |
| |
| /* now send indication to SME-->HDD->TL to remove STA from TL */ |
| |
| if(pStaDs) |
| { |
| limSendSmeTdlsDelPeerInd(pMac, psessionEntry->smeSessionId, |
| pStaDs, eSIR_SUCCESS) ; |
| |
| /* send Teardown Ind to SME */ |
| limSendSmeTdlsTeardownRsp(pMac, eSIR_SUCCESS, (setupPeer)->peerMac, |
| eWNI_SME_TDLS_TEARDOWN_IND) ; |
| /* remove node from setup list */ |
| limTdlsDelLinkPeer(pMac, (setupPeer)->peerMac) ; |
| } |
| #endif |
| //setupPeer->tdls_prev_link_state = TDLS_LINK_SETUP_RESTART_STATE; |
| tdlsStateStatus = TDLS_LINK_IDLE_STATE ; |
| break ; |
| |
| } |
| default: |
| { |
| VOS_ASSERT(0) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("link Setup is Recieved in unknown state\n" )) ; |
| break ; |
| } |
| #endif |
| } |
| if(tdlsStateStatus == TDLS_LINK_SETUP_START_STATE) |
| return eSIR_FAILURE ; |
| } |
| |
| if(currentState != TDLS_LINK_TEARDOWN_START_STATE) |
| { |
| /* |
| * Now we are sure to send discovery response frame to TDLS discovery |
| * initiator, we don't care, if this request is unicast ro broadcast, |
| * we simply, send discovery response frame on direct link. |
| */ |
| if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| (void **) &setupPeer, sizeof( tLimTdlsLinkSetupPeer ))) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ( "Unable to allocate memory during ADD_STA\n" )); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| setupPeer->dialog = tdlsSetupReq.DialogToken.token ; |
| //setupPeer->tdls_prev_link_state = setupPeer->tdls_link_state ; |
| //setupPeer->tdls_link_state = TDLS_LINK_SETUP_WAIT_STATE ; |
| setupPeer->tdls_prev_link_state = previousState ; |
| setupPeer->tdls_link_state = currentState ; |
| /* TDLS_sessionize: remember sessionId for future */ |
| setupPeer->tdls_sessionId = psessionEntry->peSessionId; |
| setupPeer->tdls_bIsResponder = 0; |
| |
| palCopyMemory(pMac->hHdd, setupPeer->peerMac, |
| &tdlsSetupReq.LinkIdentifier.InitStaAddr[0], |
| sizeof(tSirMacAddr)) ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Setup REQ MAC = %02x,%02x, %02x, %02x, %02x, %02x\n"), |
| setupPeer->peerMac[0], |
| setupPeer->peerMac[1], |
| setupPeer->peerMac[2], |
| setupPeer->peerMac[3], |
| setupPeer->peerMac[4], |
| setupPeer->peerMac[5] ) ; |
| |
| limTdlsUpdateLinkReqPeerInfo(pMac, setupPeer, &tdlsSetupReq) ; |
| pMac->lim.gLimAddStaTdls = true ; |
| |
| /* To start with, send add STA request to HAL */ |
| if(eSIR_FAILURE == limTdlsSetupAddSta(pMac, setupPeer->peerMac, |
| setupPeer, psessionEntry)) |
| { |
| VOS_ASSERT(0) ; |
| palFreeMemory(pMac->hHdd, (void **) &setupPeer) ; |
| return eSIR_FAILURE ; |
| } |
| |
| limSendTdlsSetupRspFrame(pMac, tdlsSetupReq.LinkIdentifier.InitStaAddr, |
| tdlsSetupReq.DialogToken.token , psessionEntry, |
| TDLS_SETUP_STATUS_SUCCESS, NULL, 0) ; |
| |
| limStartTdlsTimer(pMac, psessionEntry->peSessionId, |
| &setupPeer->gLimTdlsLinkSetupCnfTimeoutTimer, |
| (tANI_U32)setupPeer->peerMac, |
| WNI_CFG_TDLS_LINK_SETUP_CNF_TIMEOUT, |
| SIR_LIM_TDLS_LINK_SETUP_CNF_TIMEOUT) ; |
| |
| /* update setup peer list */ |
| setupPeer->next = linkSetupInfo->tdlsLinkSetupList ; |
| linkSetupInfo->tdlsLinkSetupList = setupPeer ; |
| } |
| else |
| { |
| setupPeer->dialog = tdlsSetupReq.DialogToken.token ; |
| //setupPeer->tdls_prev_link_state = setupPeer->tdls_link_state ; |
| //setupPeer->tdls_link_state = TDLS_LINK_SETUP_WAIT_STATE ; |
| setupPeer->tdls_prev_link_state = previousState ; |
| setupPeer->tdls_link_state = currentState ; |
| /* TDLS_sessionize: remember sessionId for future */ |
| setupPeer->tdls_sessionId = psessionEntry->peSessionId; |
| setupPeer->tdls_bIsResponder = 0; |
| |
| palCopyMemory(pMac->hHdd, setupPeer->peerMac, |
| &tdlsSetupReq.LinkIdentifier.InitStaAddr[0], |
| sizeof(tSirMacAddr)) ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Setup REQ MAC = %02x,%02x, %02x, %02x, %02x, %02x\n"), |
| setupPeer->peerMac[0], |
| setupPeer->peerMac[1], |
| setupPeer->peerMac[2], |
| setupPeer->peerMac[3], |
| setupPeer->peerMac[4], |
| setupPeer->peerMac[5] ) ; |
| |
| limTdlsUpdateLinkReqPeerInfo(pMac, setupPeer, &tdlsSetupReq) ; |
| limSendTdlsSetupRspFrame(pMac, tdlsSetupReq.LinkIdentifier.InitStaAddr, |
| tdlsSetupReq.DialogToken.token , psessionEntry, |
| TDLS_SETUP_STATUS_SUCCESS, NULL, 0) ; |
| |
| limStartTdlsTimer(pMac, psessionEntry->peSessionId, |
| &setupPeer->gLimTdlsLinkSetupCnfTimeoutTimer, |
| (tANI_U32)setupPeer->peerMac, |
| WNI_CFG_TDLS_LINK_SETUP_CNF_TIMEOUT, |
| SIR_LIM_TDLS_LINK_SETUP_CNF_TIMEOUT) ; |
| } |
| |
| |
| return eSIR_SUCCESS ; |
| |
| } |
| |
| /* |
| * TDLS discovery request frame received from TDLS peer STA.. |
| */ |
| static tSirRetStatus limProcessTdlsSetupRspFrame(tpAniSirGlobal pMac, |
| tANI_U8 *pBody, tANI_U32 frmLen ) |
| { |
| tDot11fTDLSSetupRsp tdlsSetupRsp = {{0}} ; |
| tANI_U32 status = 0 ; |
| tSirMacAddr peerMac = {0} ; |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| tpPESession psessionEntry = NULL ; |
| tANI_U8 sessionId = 0 ; |
| |
| status = dot11fUnpackTDLSSetupRsp(pMac, pBody, frmLen, &tdlsSetupRsp) ; |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog(pMac, LOGE, FL("Failed to parse TDLS discovery Request \ |
| frame (0x%08x, %d bytes):\n"),status, frmLen); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while unpacking an\ |
| TDLS discovery Request frame (0x%08x," "%d bytes):\n"), |
| status, frmLen ); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| } |
| |
| /* |
| * find session entry using BSSID in link identifier, not using MAC |
| * header beacuse, there is cases in TDLS, there may be BSSID will not |
| * be present in header |
| */ |
| psessionEntry = peFindSessionByBssid(pMac, |
| &tdlsSetupRsp.LinkIdentifier.bssid[0], &sessionId) ; |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, \ |
| ("no Seesion entry for TDLS session (bssid %02x:%02x:%02x:%02x:%02x:%02x)\n"), \ |
| tdlsSetupRsp.LinkIdentifier.bssid[0], |
| tdlsSetupRsp.LinkIdentifier.bssid[1], |
| tdlsSetupRsp.LinkIdentifier.bssid[2], |
| tdlsSetupRsp.LinkIdentifier.bssid[3], |
| tdlsSetupRsp.LinkIdentifier.bssid[4], |
| tdlsSetupRsp.LinkIdentifier.bssid[5]) ; |
| |
| //VOS_ASSERT(0) ; |
| return eSIR_FAILURE; |
| } |
| |
| /* varify BSSID */ |
| status = palEqualMemory(pMac->hHdd, psessionEntry->bssId, |
| &tdlsSetupRsp.LinkIdentifier.bssid[0], |
| sizeof(tSirMacAddr)) ; |
| |
| if(!status) |
| { |
| limLog( pMac, LOGE, FL("TDLS discovery request frame from other BSS -> something wrong. Check RXP filter\n")) ; |
| |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| palCopyMemory(pMac->hHdd, peerMac, |
| &tdlsSetupRsp.LinkIdentifier.RespStaAddr[0], |
| sizeof(tSirMacAddr)) ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("TDLS setup RSP peer = %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| peerMac[0], |
| peerMac[1], |
| peerMac[2], |
| peerMac[3], |
| peerMac[4], |
| peerMac[5]) ; |
| limTdlsFindLinkPeer(pMac, peerMac, &setupPeer) ; |
| |
| if(NULL == setupPeer) |
| { |
| limLog( pMac, LOGE, FL(" unknown setup Response frame \ |
| other BSS\n")) ; |
| return eSIR_FAILURE ; |
| } |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("deactivating Setup RSP timer\n")) ; |
| |
| /* Deactivate the timer */ |
| tx_timer_deactivate(&(setupPeer)->gLimTdlsLinkSetupRspTimeoutTimer) ; |
| |
| /* |
| * TDLS Setup RSP is recieved with Failure, Delete this STA entry |
| * don't respond with TDLS CNF frame. |
| */ |
| if(TDLS_SETUP_STATUS_SUCCESS != tdlsSetupRsp.Status.status) |
| { |
| limTdlsDelLinkPeer(pMac, (setupPeer)->peerMac) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("setup RSP with Failure Code\n")) ; |
| return eSIR_FAILURE ; |
| } |
| |
| /* update Link Info */ |
| limTdlsUpdateLinkRspPeerInfo(pMac, setupPeer, &tdlsSetupRsp) ; |
| |
| /* TODO, do more validation */ |
| |
| |
| /* |
| * Now we are sure to send link setup CNF frame to TDLS link setup |
| * reponded, now we will create dph hash entry and send add STA to HAL |
| */ |
| |
| pMac->lim.gLimAddStaTdls = true ; |
| if(eSIR_FAILURE == limTdlsSetupAddSta(pMac, peerMac, |
| setupPeer, psessionEntry)) |
| { |
| /* through error */ |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| /* TDLS_HKLEE_FIXME: now we add some delay for AddSta_Rsp comes */ |
| |
| |
| /* send TDLS confim frame to TDLS Peer STA */ |
| limSendTdlsLinkSetupCnfFrame(pMac, peerMac, tdlsSetupRsp.DialogToken.token, psessionEntry, NULL, 0) ; |
| |
| /* |
| * set the tdls_link_state to TDLS_LINK_SETUP_RSP_WAIT_STATE, and |
| * wait for Setup CNF transmission on air, once we receive tx complete |
| * message, we will change the peer state and send message to SME |
| * callback.. |
| */ |
| (setupPeer)->tdls_prev_link_state = (setupPeer)->tdls_link_state ; |
| (setupPeer)->tdls_link_state = TDLS_LINK_SETUP_RSP_WAIT_STATE ; |
| |
| return eSIR_SUCCESS ; |
| } |
| /* |
| * TDLS setup CNF frame processing .. |
| */ |
| |
| static tSirRetStatus limProcessTdlsSetupCnfFrame(tpAniSirGlobal pMac, |
| tANI_U8 *pBody, tANI_U32 frmLen) |
| { |
| tDot11fTDLSSetupCnf tdlsSetupCnf = {{0}} ; |
| tANI_U32 status = 0 ; |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| tpPESession psessionEntry = NULL ; |
| tANI_U8 sessionId = 0 ; |
| |
| status = dot11fUnpackTDLSSetupCnf(pMac, pBody, frmLen, &tdlsSetupCnf) ; |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog(pMac, LOGE, FL("Failed to parse an TDLS discovery Response \ |
| frame (0x%08x, %d bytes):\n"),status, frmLen); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while unpacking an\ |
| TDLS discovery Response frame (0x%08x," "%d bytes):\n"), |
| status, frmLen ); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| } |
| /* |
| * find session entry using BSSID in link identifier, not using MAC |
| * header beacuse, there is cases in TDLS, there may be BSSID will not |
| * be present in header |
| */ |
| psessionEntry = peFindSessionByBssid(pMac, |
| &tdlsSetupCnf.LinkIdentifier.bssid[0], &sessionId) ; |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, \ |
| ("no Seesion entry for TDLS session (bssid %02x:%02x:%02x:%02x:%02x:%02x)\n"), \ |
| tdlsSetupCnf.LinkIdentifier.bssid[0], |
| tdlsSetupCnf.LinkIdentifier.bssid[1], |
| tdlsSetupCnf.LinkIdentifier.bssid[2], |
| tdlsSetupCnf.LinkIdentifier.bssid[3], |
| tdlsSetupCnf.LinkIdentifier.bssid[4], |
| tdlsSetupCnf.LinkIdentifier.bssid[5]) ; |
| |
| //VOS_ASSERT(0) ; |
| return eSIR_FAILURE; |
| } |
| |
| /* varify BSSID */ |
| status = palEqualMemory(pMac->hHdd, psessionEntry->bssId, |
| &tdlsSetupCnf.LinkIdentifier.bssid[0], |
| sizeof(tSirMacAddr)) ; |
| |
| if(!status) |
| { |
| limLog( pMac, LOGE, FL("TDLS setup CNF frame other BSS -> something wrong. Check RXP filter\n")) ; |
| |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| /* TODO, do more validation */ |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("setup Cnf peer MAc = %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| tdlsSetupCnf.LinkIdentifier.InitStaAddr[0], |
| tdlsSetupCnf.LinkIdentifier.InitStaAddr[1], |
| tdlsSetupCnf.LinkIdentifier.InitStaAddr[2], |
| tdlsSetupCnf.LinkIdentifier.InitStaAddr[3], |
| tdlsSetupCnf.LinkIdentifier.InitStaAddr[4], |
| tdlsSetupCnf.LinkIdentifier.InitStaAddr[5] |
| ) ; |
| |
| limTdlsFindLinkPeer(pMac, |
| &tdlsSetupCnf.LinkIdentifier.InitStaAddr[0], |
| &setupPeer) ; |
| |
| if(NULL == setupPeer) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| (" unknown setup CNF frame\n")) ; |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("setup CNF peer MAC = %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| (setupPeer)->peerMac[0], |
| (setupPeer)->peerMac[1], |
| (setupPeer)->peerMac[2], |
| (setupPeer)->peerMac[3], |
| (setupPeer)->peerMac[4], |
| (setupPeer)->peerMac[5]) ; |
| /*T match dialog token, before proceeding further */ |
| if((setupPeer)->dialog != tdlsSetupCnf.DialogToken.token) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("setup CNF frame not matching with setup RSP\n")) ; |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| |
| /* |
| * Now we are sure that, this set CNF is for us, now stop |
| * the running timer.. |
| */ |
| tx_timer_deactivate(&(setupPeer)->gLimTdlsLinkSetupCnfTimeoutTimer) ; |
| |
| /* change TDLS peer State */ |
| (setupPeer)->tdls_prev_link_state = (setupPeer)->tdls_link_state ; |
| (setupPeer)->tdls_link_state = TDLS_LINK_SETUP_DONE_STATE ; |
| |
| /* send indication to SME that, new link is setup */ |
| limSendSmeTdlsLinkSetupInd(pMac, (setupPeer)->peerMac, eSIR_SUCCESS) ; |
| |
| /* tdls_hklee: prepare PTI template and send it to HAL */ |
| limTdlsLinkEstablish(pMac, (setupPeer)->peerMac); |
| |
| return eSIR_SUCCESS ; |
| |
| } |
| |
| /* |
| * TDLS discovery response frame processing .. |
| */ |
| |
| static tSirRetStatus limProcessTdlsDisRspFrame(tpAniSirGlobal pMac, |
| tANI_U8 *pBody, tANI_U32 frmLen, |
| tANI_S8 rssi, tpPESession psessionEntry) |
| { |
| tDot11fTDLSDisRsp tdlsDisRsp = {{0}} ; |
| tANI_U32 status = 0 ; |
| tLimDisResultList *tdlsDisResult = NULL ; |
| tLimDisResultList **disResultList = &pMac->lim.gLimTdlsDisResultList ; |
| tSirTdlsDisReq *prevDisReq = &pMac->lim.gLimTdlsDisReq ; |
| |
| status = dot11fUnpackTDLSDisRsp(pMac, pBody, frmLen, &tdlsDisRsp) ; |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog(pMac, LOGE, FL("Failed to parse an TDLS discovery Response \ |
| frame (0x%08x, %d bytes):\n"),status, frmLen); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while unpacking an\ |
| TDLS discovery Response frame (0x%08x," "%d bytes):\n"), |
| status, frmLen ); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pFrame, nFrame);) |
| } |
| /*TODO: match dialog token, before proceeding further */ |
| |
| /* varify BSSID */ |
| status = palEqualMemory(pMac->hHdd, psessionEntry->bssId, |
| &tdlsDisRsp.LinkIdentifier.bssid[0], |
| sizeof(tSirMacAddr)) ; |
| |
| if(!status) |
| { |
| limLog( pMac, LOGW, FL(" TDLS discovery Response frame other BSS\n")) ; |
| return eSIR_FAILURE ; |
| } |
| /* TODO, do more validation */ |
| |
| if(tdlsDisRsp.DialogToken.token != prevDisReq->dialog) |
| { |
| limLog( pMac, LOGW, FL(" wrong TDLS discovery Response frame\n")) ; |
| return eSIR_FAILURE ; |
| } |
| |
| pMac->lim.gLimTdlsDisStaCount++ ; |
| |
| /* |
| * we are allocating peer info for individual peers found in TDLS |
| * discovery, we need to keep adding TDLS peers till we have timed |
| * out. We are freeing this memory at the time we are sending this |
| * collected peer info to SME. |
| */ |
| status = palAllocateMemory(pMac->hHdd, (void **)&tdlsDisResult, |
| sizeof(tLimDisResultList)) ; |
| |
| if(status != eHAL_STATUS_SUCCESS) |
| { |
| limLog(pMac, LOGP, FL("alloc fail for TDLS discovery reponse info\n")) ; |
| return eSIR_FAILURE ; |
| } |
| |
| do |
| { |
| tSirTdlsPeerInfo *peerInfo = &tdlsDisResult->tdlsDisPeerInfo ; |
| |
| /* Populate peer info of tdls discovery result */ |
| peerInfo->sessionId = psessionEntry->peSessionId; |
| /* |
| * When we receive DIS RSP from peer MAC, |
| * STA_MAC_OFFSET will carry peer MAC address and PEER MAC OFFSET |
| * will carry our MAC. |
| */ |
| status = palCopyMemory(pMac->hHdd, peerInfo->peerMac, |
| &tdlsDisRsp.LinkIdentifier.RespStaAddr[0], |
| sizeof(tSirMacAddr)) ; |
| |
| /* update RSSI for this TDLS peer STA */ |
| peerInfo->tdlsPeerRssi = rssi ; |
| |
| /* update Caps Info */ |
| tdlsUpdateCapInfo(&peerInfo->capabilityInfo , |
| &tdlsDisRsp.Capabilities) ; |
| |
| /* update Supp rates */ |
| if(tdlsDisRsp.SuppRates.present) |
| { |
| ConvertSuppRates( pMac, &peerInfo->tdlsPeerSuppRates, |
| &tdlsDisRsp.SuppRates ); |
| } |
| |
| /* update EXT supp rates */ |
| if(tdlsDisRsp.ExtSuppRates.present) |
| { |
| peerInfo->ExtRatesPresent = 1; |
| ConvertExtSuppRates( pMac, &peerInfo->tdlsPeerExtRates, |
| &tdlsDisRsp.ExtSuppRates ); |
| } |
| /* update HT caps */ |
| if (tdlsDisRsp.HTCaps.present) |
| { |
| palCopyMemory( pMac, &peerInfo->tdlsPeerHtCaps, &tdlsDisRsp.HTCaps, |
| sizeof( tDot11fIEHTCaps ) ); |
| } |
| /* update EXT caps */ |
| if (tdlsDisRsp.ExtCap.present) |
| { |
| //palCopyMemory( pMac, &peerInfo->tdlsPeerExtenCaps, |
| // &tdlsDisRsp.ExtCap, |
| // sizeof( tDot11fIEExtCap ) ); |
| } |
| } while(0) ; |
| |
| /* now add this new found discovery node into tdls discovery list */ |
| tdlsDisResult->next = *disResultList ; |
| *disResultList = tdlsDisResult ; |
| |
| return eSIR_SUCCESS ; |
| } |
| |
| /* |
| * Process TDLS Teardown request frame from TDLS peer STA |
| */ |
| static tSirRetStatus limProcessTdlsTeardownFrame(tpAniSirGlobal pMac, |
| tANI_U8 *pBody, tANI_U32 frmLen ) |
| { |
| tDot11fTDLSTeardown tdlsTeardown = {{0}} ; |
| tANI_U32 status = 0 ; |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| tpPESession psessionEntry = NULL ; |
| tANI_U8 sessionId = 0 ; |
| |
| status = dot11fUnpackTDLSTeardown(pMac, pBody, frmLen, &tdlsTeardown) ; |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog(pMac, LOGE, FL("Failed to parse an TDLS discovery Response \ |
| frame (0x%08x, %d bytes):\n"),status, frmLen); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while unpacking an\ |
| TDLS discovery Response frame (0x%08x," "%d bytes):\n"), |
| status, frmLen ); |
| PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pBody, frmLen);) |
| } |
| |
| /* |
| * find session entry using BSSID in link identifier, not using MAC |
| * header beacuse, there is cases in TDLS, there may be BSSID will not |
| * be present in header |
| */ |
| psessionEntry = peFindSessionByBssid(pMac, |
| &tdlsTeardown.LinkIdentifier.bssid[0], &sessionId) ; |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, \ |
| ("no Seesion entry for TDLS session (bssid %02x:%02x:%02x:%02x:%02x:%02x)\n"), \ |
| tdlsTeardown.LinkIdentifier.bssid[0], |
| tdlsTeardown.LinkIdentifier.bssid[1], |
| tdlsTeardown.LinkIdentifier.bssid[2], |
| tdlsTeardown.LinkIdentifier.bssid[3], |
| tdlsTeardown.LinkIdentifier.bssid[4], |
| tdlsTeardown.LinkIdentifier.bssid[5]) ; |
| |
| //VOS_ASSERT(0) ; |
| return eSIR_FAILURE; |
| } |
| |
| /* varify BSSID */ |
| status = palEqualMemory(pMac->hHdd, psessionEntry->bssId, |
| &tdlsTeardown.LinkIdentifier.bssid[0], |
| sizeof(tSirMacAddr)) ; |
| |
| |
| if(!status) |
| { |
| limLog( pMac, LOGE, FL("Teardown from other BSS -> something wrong. Check RXP filter\n")) ; |
| VOS_ASSERT(0) ; |
| return eSIR_FAILURE ; |
| } |
| |
| limTdlsFindLinkPeer(pMac, |
| &tdlsTeardown.LinkIdentifier.InitStaAddr[0], |
| &setupPeer) ; |
| |
| if(NULL == setupPeer) |
| { |
| //ignore |
| //VOS_ASSERT(0) ; |
| limLog( pMac, LOGE, FL("Teardown from unknown peer. --> ignored\n") ); |
| |
| return eSIR_FAILURE ; |
| } |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("teardown for peer %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| (setupPeer)->peerMac[0], |
| (setupPeer)->peerMac[1], |
| (setupPeer)->peerMac[2], |
| (setupPeer)->peerMac[3], |
| (setupPeer)->peerMac[4], |
| (setupPeer)->peerMac[5]) ; |
| |
| switch(tdlsTeardown.Reason.code) |
| { |
| case eSIR_MAC_TDLS_TEARDOWN_UNSPEC_REASON: |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("teardown with unspecified reason\n")) ; |
| break ; |
| } |
| case eSIR_MAC_TDLS_TEARDOWN_PEER_UNREACHABLE: |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| (" Teardown from AP, TDLS peer unreachable\n")) ; |
| break ; |
| } |
| default: |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| (" unknown teardown\n")) ; |
| break ; |
| } |
| } |
| |
| /* change TDLS peer State */ |
| (setupPeer)->tdls_prev_link_state = (setupPeer)->tdls_link_state ; |
| (setupPeer)->tdls_link_state = TDLS_LINK_TEARDOWN_START_STATE ; |
| |
| do |
| { |
| tpDphHashNode pStaDs = NULL ; |
| |
| /* tdls_hklee: send message to HAL before it is deleted, cause */ |
| limTdlsLinkTeardown(pMac, (setupPeer)->peerMac) ; |
| |
| /* send del STA to remove context for this TDLS STA */ |
| pStaDs = limTdlsDelSta(pMac, (setupPeer)->peerMac, psessionEntry) ; |
| |
| /* now send indication to SME-->HDD->TL to remove STA from TL */ |
| |
| if(pStaDs) |
| { |
| limSendSmeTdlsDelPeerInd(pMac, psessionEntry->smeSessionId, |
| pStaDs, eSIR_SUCCESS) ; |
| |
| /* send Teardown Ind to SME */ |
| limSendSmeTdlsTeardownRsp(pMac, eSIR_SUCCESS, (setupPeer)->peerMac, |
| eWNI_SME_TDLS_TEARDOWN_IND) ; |
| /* remove node from setup list */ |
| limTdlsDelLinkPeer(pMac, (setupPeer)->peerMac) ; |
| } |
| |
| }while(0) ; |
| |
| return status ; |
| } |
| |
| /* |
| * Common processing of TDLS action frames recieved |
| */ |
| void limProcessTdlsFrame(tpAniSirGlobal pMac, tANI_U32 *pBd) |
| { |
| tANI_U8 *pBody = WDA_GET_RX_MPDU_DATA(pBd); |
| tANI_U8 pOffset = ((0 == WDA_GET_RX_FT_DONE(pBd)) |
| ? (( sizeof( eth_890d_header ))) :(0)) ; |
| |
| tANI_U8 category = (pBody + pOffset + PAYLOAD_TYPE_TDLS_SIZE)[0] ; |
| tANI_U8 action = (pBody + pOffset + PAYLOAD_TYPE_TDLS_SIZE)[1] ; |
| tANI_U32 frameLen = WDA_GET_RX_PAYLOAD_LEN(pBd) ; |
| tANI_U8 *tdlsFrameBody = (pBody + pOffset + PAYLOAD_TYPE_TDLS_SIZE) ; |
| //tANI_S8 rssi = (tANI_S8)SIR_MAC_BD_TO_RSSI_DB(pBd); |
| |
| if(category != SIR_MAC_ACTION_TDLS) |
| { |
| limLog( pMac, LOGE, FL("Invalid TDLS action frame=(%d). Ignored\n"), category ); |
| return ; |
| } |
| |
| frameLen -= (pOffset + PAYLOAD_TYPE_TDLS_SIZE) ; |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("Received TDLS action %d (%s)"), \ |
| action, limTraceTdlsActionString(action) )); |
| |
| switch(action) |
| { |
| |
| case SIR_MAC_TDLS_SETUP_REQ: |
| { |
| limProcessTdlsSetupReqFrame(pMac, tdlsFrameBody, frameLen) ; |
| break ; |
| } |
| case SIR_MAC_TDLS_SETUP_RSP: |
| { |
| limProcessTdlsSetupRspFrame(pMac, tdlsFrameBody, frameLen) ; |
| break ; |
| } |
| case SIR_MAC_TDLS_SETUP_CNF: |
| { |
| limProcessTdlsSetupCnfFrame(pMac, tdlsFrameBody, frameLen) ; |
| break ; |
| } |
| case SIR_MAC_TDLS_TEARDOWN: |
| { |
| limProcessTdlsTeardownFrame(pMac, tdlsFrameBody, frameLen) ; |
| break ; |
| } |
| case SIR_MAC_TDLS_DIS_REQ: |
| { |
| limProcessTdlsDisReqFrame(pMac, tdlsFrameBody, frameLen) ; |
| break ; |
| } |
| case SIR_MAC_TDLS_PEER_TRAFFIC_IND: |
| case SIR_MAC_TDLS_CH_SWITCH_REQ: |
| case SIR_MAC_TDLS_CH_SWITCH_RSP: |
| case SIR_MAC_TDLS_PEER_TRAFFIC_RSP: |
| default: |
| { |
| break ; |
| } |
| } |
| |
| return ; |
| } |
| |
| /* |
| * ADD sta for dis response fame sent on direct link |
| */ |
| static tSirRetStatus limTdlsDisAddSta(tpAniSirGlobal pMac, tSirMacAddr peerMac, |
| tSirTdlsPeerInfo *peerInfo, tpPESession psessionEntry) |
| { |
| tpDphHashNode pStaDs = NULL ; |
| tSirRetStatus status = eSIR_SUCCESS ; |
| tANI_U16 aid = 0 ; |
| |
| if(NULL == peerInfo) |
| { |
| VOS_ASSERT(0) ; |
| return status ; |
| |
| } |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("ADD STA peer MAC: %02x, %02x, %02x, %02x, %02x, %02x\n"), |
| peerMac[0], |
| peerMac[1], |
| peerMac[2], |
| peerMac[3], |
| peerMac[4], |
| peerMac[5]) ; |
| |
| |
| if(NULL != dphLookupHashEntry(pMac, peerMac, |
| &aid, &psessionEntry->dph.dphHashTable)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| (" there is hash entry for this client\n")) ; |
| status = eSIR_FAILURE ; |
| VOS_ASSERT(0) ; |
| return status ; |
| } |
| |
| aid = limAssignPeerIdx(pMac, psessionEntry) ; |
| |
| pStaDs = dphGetHashEntry(pMac, aid, &psessionEntry->dph.dphHashTable); |
| |
| if (pStaDs) |
| { |
| (void) limDelSta(pMac, pStaDs, false /*asynchronous*/, psessionEntry); |
| limDeleteDphHashEntry(pMac, pStaDs->staAddr, aid, psessionEntry); |
| } |
| pStaDs = dphAddHashEntry(pMac, peerMac, aid, |
| &psessionEntry->dph.dphHashTable) ; |
| |
| if(NULL == pStaDs) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| (" add hash entry failed\n")) ; |
| status = eSIR_FAILURE ; |
| VOS_ASSERT(0) ; |
| return status; |
| } |
| if(eSIR_SUCCESS == status) |
| { |
| #ifdef TDLS_RATE_DEBUG |
| tSirMacRateSet *suppRates = &peerInfo->tdlsPeerSuppRates ; |
| tSirMacRateSet *extRates = &peerInfo->tdlsPeerExtRates ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("pSta DS [%p] \n"), pStaDs) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("peerInfo->tdlsPeerSuppRates = [%p]\n"), |
| (tANI_U8 *)&peerInfo->tdlsPeerSuppRates) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("peerInfo->tdlsPeerExtRates = [%p]\n"), |
| (tANI_U8 *)&peerInfo->tdlsPeerExtRates) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("peerInfo->tdlsPeerPropRates = [%p]\n"), |
| (tANI_U8 *)&pStaDs->mlmStaContext.propRateSet) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("peerInfo->mcs = [%p]\n"), |
| (tANI_U8 *)peerInfo->supportedMCSSet) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("num of supp rates = %02x\n"), suppRates->numRates) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("num of ext rates = %01x\n"), extRates->numRates) ; |
| #endif |
| |
| /* Populate matching rate set */ |
| #ifdef WLAN_FEATURE_11AC |
| if(eSIR_FAILURE == limPopulateMatchingRateSet(pMac, pStaDs, |
| &peerInfo->tdlsPeerSuppRates, |
| &peerInfo->tdlsPeerExtRates, |
| peerInfo->supportedMCSSet, |
| &pStaDs->mlmStaContext.propRateSet, |
| psessionEntry, NULL)) |
| #else |
| if(eSIR_FAILURE == limPopulateMatchingRateSet(pMac, pStaDs, |
| &peerInfo->tdlsPeerSuppRates, |
| &peerInfo->tdlsPeerExtRates, |
| peerInfo->supportedMCSSet, |
| &pStaDs->mlmStaContext.propRateSet, |
| psessionEntry)) |
| #endif |
| { |
| VOS_ASSERT(0) ; |
| } |
| |
| |
| pStaDs->mlmStaContext.capabilityInfo = peerInfo->capabilityInfo; |
| palCopyMemory(pMac->hHdd, pStaDs->staAddr, peerMac, |
| sizeof(tSirMacAddr)) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Add STA for Peer: %02x, %02x, %02x, %02x, %02x, %02x\n"), |
| pStaDs->staAddr[0], |
| pStaDs->staAddr[1], |
| pStaDs->staAddr[2], |
| pStaDs->staAddr[3], |
| pStaDs->staAddr[4], |
| pStaDs->staAddr[5]) ; |
| |
| |
| pStaDs->staType = STA_ENTRY_TDLS_PEER ; |
| |
| status = limAddSta(pMac, pStaDs, psessionEntry); |
| |
| if(eSIR_SUCCESS != status) |
| { |
| /* should not fail */ |
| VOS_ASSERT(0) ; |
| } |
| } |
| |
| return status ; |
| } |
| #endif |
| /* |
| * Add STA for TDLS setup procedure |
| */ |
| static tSirRetStatus limTdlsSetupAddSta(tpAniSirGlobal pMac, |
| tSirMacAddr peerMac, tLimTdlsLinkSetupPeer *setupPeer, |
| tpPESession psessionEntry) |
| { |
| tpDphHashNode pStaDs = NULL ; |
| tSirRetStatus status = eSIR_SUCCESS ; |
| tANI_U16 aid = 0 ; |
| |
| if(NULL != dphLookupHashEntry(pMac, peerMac, &aid, |
| &psessionEntry->dph.dphHashTable)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| (" there is hash entry for this client\n")) ; |
| status = eSIR_FAILURE ; |
| /* TDLS_TODO: I have seen this VOS ASSERT happened. must handle this (called from limProcessTdlsSetupReqFrame) */ |
| VOS_ASSERT(0) ; |
| return status ; |
| } |
| aid = limAssignPeerIdx(pMac, psessionEntry) ; |
| |
| if( !aid ) |
| { |
| //Reject request. |
| return eSIR_FAILURE; |
| } |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Aid = %d, for peer = %02x,%02x,%02x,%02x,%02x,%02x\n"), |
| aid, peerMac[0],peerMac[1],peerMac[2], |
| peerMac[3],peerMac[4],peerMac[5]) ; |
| pStaDs = dphGetHashEntry(pMac, aid, &psessionEntry->dph.dphHashTable); |
| |
| if (pStaDs) |
| { |
| (void) limDelSta(pMac, pStaDs, false /*asynchronous*/, psessionEntry); |
| limDeleteDphHashEntry(pMac, pStaDs->staAddr, aid, psessionEntry); |
| } |
| |
| pStaDs = dphAddHashEntry(pMac, peerMac, aid, |
| &psessionEntry->dph.dphHashTable) ; |
| |
| if(NULL == pStaDs) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| (" add hash entry failed\n")) ; |
| status = eSIR_FAILURE ; |
| VOS_ASSERT(0) ; |
| } |
| |
| limTdlsUpdateHashNodeInfo(pMac, pStaDs, setupPeer, psessionEntry) ; |
| |
| pStaDs->staType = STA_ENTRY_TDLS_PEER ; |
| |
| status = limAddSta(pMac, pStaDs, psessionEntry); |
| |
| if(eSIR_SUCCESS != status) |
| { |
| /* should not fail */ |
| VOS_ASSERT(0) ; |
| } |
| return status ; |
| } |
| |
| /* |
| * Del STA, after Link is teardown or discovery response sent on direct link |
| */ |
| static tpDphHashNode limTdlsDelSta(tpAniSirGlobal pMac, tSirMacAddr peerMac, |
| tpPESession psessionEntry) |
| { |
| tSirRetStatus status = eSIR_SUCCESS ; |
| tANI_U16 peerIdx = 0 ; |
| tpDphHashNode pStaDs = NULL ; |
| |
| pStaDs = dphLookupHashEntry(pMac, peerMac, &peerIdx, |
| &psessionEntry->dph.dphHashTable) ; |
| |
| if(pStaDs) |
| { |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("DEL STA peer MAC: %02x, %02x, %02x, %02x, %02x, %02x \n"), |
| pStaDs->staAddr[0], |
| pStaDs->staAddr[1], |
| pStaDs->staAddr[2], |
| pStaDs->staAddr[3], |
| pStaDs->staAddr[4], |
| pStaDs->staAddr[5] |
| ) ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("STA type = %x, sta idx = %x\n"),pStaDs->staType, |
| pStaDs->staIndex) ; |
| |
| status = limDelSta(pMac, pStaDs, false, psessionEntry) ; |
| if(eSIR_SUCCESS == status) |
| { |
| limDeleteDphHashEntry(pMac, pStaDs->staAddr, peerIdx, psessionEntry) ; |
| limReleasePeerIdx(pMac, peerIdx, psessionEntry) ; |
| } |
| else |
| { |
| VOS_ASSERT(0) ; |
| } |
| } |
| |
| return pStaDs ; |
| } |
| |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| /* |
| * Prepare link establish message for HAL, construct PTI template. |
| * |
| */ |
| static tSirRetStatus limTdlsLinkEstablish(tpAniSirGlobal pMac, tSirMacAddr peerMac) |
| { |
| tANI_U8 pFrame[64] ; |
| tDot11fTDLSPeerTrafficInd tdlsPtiTemplate ; |
| tANI_U32 status = 0 ; |
| tANI_U32 nPayload = 0 ; |
| tANI_U32 nBytes = 0 ; |
| tANI_U32 header_offset = 0 ; |
| tANI_U16 aid = 0 ; |
| tDphHashNode *pStaDs = NULL ; |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| tpPESession psessionEntry = NULL ; |
| |
| |
| limTdlsFindLinkPeer(pMac, peerMac, &setupPeer) ; |
| if(NULL == setupPeer) { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsLinkEstablish: cannot find peer mac in tdls linksetup list: %02X %02X %02X %02X %02X %02X\n"), \ |
| peerMac[0], peerMac[1], peerMac[2], \ |
| peerMac[3], peerMac[4], peerMac[5]); |
| return eSIR_FAILURE; |
| } |
| |
| psessionEntry = peFindSessionBySessionId(pMac, |
| setupPeer->tdls_sessionId) ; |
| |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsLinkEstablish: sessionID %d is not found\n"), setupPeer->tdls_sessionId); |
| VOS_ASSERT(0) ; |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| /* */ |
| pStaDs = dphLookupHashEntry(pMac, peerMac, &aid, &psessionEntry->dph.dphHashTable) ; |
| if(pStaDs == NULL) { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsLinkEstablish: cannot find peer mac in hash table: %02X %02X %02X %02X %02X %02X\n"), \ |
| peerMac[0], peerMac[1], peerMac[2], \ |
| peerMac[3], peerMac[4], peerMac[5]); |
| return eSIR_FAILURE; |
| } |
| |
| palZeroMemory( pMac->hHdd, ( tANI_U8* )&tdlsPtiTemplate, |
| sizeof( tDot11fTDLSPeerTrafficInd ) ); |
| |
| /* |
| * setup Fixed fields, |
| */ |
| tdlsPtiTemplate.Category.category = SIR_MAC_ACTION_TDLS; |
| tdlsPtiTemplate.Action.action = SIR_MAC_TDLS_PEER_TRAFFIC_IND; |
| tdlsPtiTemplate.DialogToken.token = 0 ; /* filled by firmware at the time of transmission */ |
| #if 1 |
| /* CHECK_PTI_LINK_IDENTIFIER_INITIATOR_ADDRESS: initator address should be TDLS link setup's initiator address, |
| then below code makes such an way */ |
| PopulateDot11fLinkIden( pMac, psessionEntry, &tdlsPtiTemplate.LinkIdentifier, |
| peerMac, !setupPeer->tdls_bIsResponder) ; |
| #else |
| /* below code will make PTI's linkIdentifier's initiator address be selfAddr */ |
| PopulateDot11fLinkIden( pMac, psessionEntry, &tdlsPtiTemplate.LinkIdentifier, |
| peerMac, TDLS_INITIATOR) ; |
| #endif |
| |
| /* PUBufferStatus will be filled by firmware at the time of transmission */ |
| tdlsPtiTemplate.PUBufferStatus.present = 1; |
| |
| /* TODO: get ExtendedCapabilities IE */ |
| |
| /* |
| * now we pack it. First, how much space are we going to need? |
| */ |
| status = dot11fGetPackedTDLSPeerTrafficIndSize ( pMac, &tdlsPtiTemplate, &nPayload); |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGP, FL("Failed to calculate the packed size for a PTI template (0x%08x).\n"), status ); |
| /* We'll fall back on the worst case scenario: */ |
| nPayload = sizeof( tdlsPtiTemplate ); |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while calculating the packed size for a PTI template (0x%08x).\n"), status ); |
| } |
| |
| /* |
| * This frame is going out from PE as data frames with special ethertype |
| * 89-0d. |
| * 8 bytes of RFC 1042 header |
| */ |
| |
| nBytes = nPayload + sizeof( tSirMacMgmtHdr ) |
| + sizeof( eth_890d_header ) |
| + PAYLOAD_TYPE_TDLS_SIZE ; |
| |
| if(nBytes > 64) { |
| limLog( pMac, LOGE, FL("required memory for PTI frame is %ld, but reserved only 64.\n"), nBytes); |
| nBytes = 64; |
| } |
| /* zero out the memory */ |
| palZeroMemory( pMac->hHdd, pFrame, sizeof(pFrame) ); |
| |
| /* fill out the buffer descriptor */ |
| |
| header_offset = limPrepareTdlsFrameHeader(pMac, pFrame, |
| LINK_IDEN_ADDR_OFFSET(tdlsPtiTemplate), TDLS_LINK_AP, !setupPeer->tdls_bIsResponder, psessionEntry) ; |
| |
| status = dot11fPackTDLSPeerTrafficInd ( pMac, &tdlsPtiTemplate, pFrame |
| + header_offset, nPayload, &nPayload ); |
| |
| if ( DOT11F_FAILED( status ) ) |
| { |
| limLog( pMac, LOGE, FL("Failed to pack a PTI template \ |
| (0x%08x).\n"), status ); |
| return eSIR_FAILURE; |
| } |
| else if ( DOT11F_WARNED( status ) ) |
| { |
| limLog( pMac, LOGW, FL("There were warnings while packing TDLS" |
| "Peer Traffic Indication (0x%08x).\n") ); |
| } |
| |
| LIM_LOG_TDLS(VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, ("bIsResponder=%d, header_offset=%ld, linkIdenOffset=%d, ptiBufStatusOffset=%d \n"), \ |
| setupPeer->tdls_bIsResponder, header_offset, PTI_LINK_IDEN_OFFSET, PTI_BUF_STATUS_OFFSET)); |
| |
| limSendTdlsLinkEstablish(pMac, setupPeer->tdls_bIsResponder, |
| header_offset+PTI_LINK_IDEN_OFFSET, header_offset+PTI_BUF_STATUS_OFFSET, |
| nBytes, pFrame, (tANI_U8 *)&setupPeer->tdlsPeerExtCaps); |
| |
| return eSIR_SUCCESS; |
| } |
| |
| /* |
| * Prepare link teardown message for HAL from peer_mac |
| * |
| */ |
| static tSirRetStatus limTdlsLinkTeardown(tpAniSirGlobal pMac, tSirMacAddr peerMac) |
| { |
| tDphHashNode *pStaDs = NULL ; |
| tANI_U16 aid = 0 ; |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| tpPESession psessionEntry = NULL ; |
| |
| |
| limTdlsFindLinkPeer(pMac, peerMac, &setupPeer) ; |
| if(NULL == setupPeer) { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsLinkTeardown: cannot find peer mac in tdls linksetup list: %02X %02X %02X %02X %02X %02X\n"), \ |
| peerMac[0], peerMac[1], peerMac[2], \ |
| peerMac[3], peerMac[4], peerMac[5]); |
| return eSIR_FAILURE; |
| } |
| |
| psessionEntry = peFindSessionBySessionId(pMac, |
| setupPeer->tdls_sessionId) ; |
| |
| if(NULL == psessionEntry) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsLinkTeardown: sessionID %d is not found\n"), setupPeer->tdls_sessionId); |
| VOS_ASSERT(0) ; |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| |
| /* */ |
| pStaDs = dphLookupHashEntry(pMac, peerMac, &aid, &psessionEntry->dph.dphHashTable); |
| |
| if(pStaDs == NULL) { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("limTdlsLinkTeardown: cannot find peer mac in hash table: %02X %02X %02X %02X %02X %02X\n"), \ |
| peerMac[0], peerMac[1], peerMac[2], \ |
| peerMac[3], peerMac[4], peerMac[5]); |
| return eSIR_FAILURE; |
| } |
| |
| limSendTdlsLinkTeardown(pMac, pStaDs->staIndex); |
| |
| return eSIR_SUCCESS; |
| } |
| |
| /* |
| * Prepare Discovery RSP message for SME, collect peerINfo for all the |
| * peers discovered and delete/clean discovery lists in PE. |
| */ |
| |
| static tSirTdlsDisRsp *tdlsPrepareTdlsDisRsp(tpAniSirGlobal pMac, |
| tSirTdlsDisRsp *disRsp, tANI_U8 disStaCount) |
| { |
| tANI_U32 disMsgRspSize = sizeof(tSirTdlsDisRsp); |
| tANI_U8 status = eHAL_STATUS_SUCCESS ; |
| |
| /* |
| * allocate memory for tdls discovery response, allocated memory should |
| * be alloc_mem = tdlsStaCount * sizeof(peerinfo) |
| * + siezeof tSirTdlsDisRsp. |
| */ |
| disMsgRspSize += (disStaCount * sizeof(tSirTdlsPeerInfo)); |
| |
| /* now allocate memory */ |
| status = palAllocateMemory( pMac->hHdd, (void **)&disRsp, disMsgRspSize ) ; |
| |
| if(eHAL_STATUS_FAILURE == status) |
| { |
| limLog(pMac, LOGP, FL("palAllocateMemory failed for DIS RSP")); |
| return NULL ; |
| } |
| |
| if(disStaCount) |
| { |
| tLimDisResultList *tdlsDisRspList = pMac->lim.gLimTdlsDisResultList ; |
| tSirTdlsPeerInfo *peerInfo = &disRsp->tdlsDisPeerInfo[0] ; |
| |
| tLimDisResultList *currentNode = tdlsDisRspList ; |
| while(tdlsDisRspList != NULL) |
| { |
| |
| palCopyMemory( pMac->hHdd, (tANI_U8 *)peerInfo, |
| (tANI_U8 *) &tdlsDisRspList->tdlsDisPeerInfo, |
| sizeof(tSirTdlsPeerInfo)); |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Msg Sent to PE, peer MAC: %02x, %02x, %02x, %02x, %02x, %02x\n"), |
| peerInfo->peerMac[0] , |
| peerInfo->peerMac[1] , |
| peerInfo->peerMac[2] , |
| peerInfo->peerMac[3] , |
| peerInfo->peerMac[4] , |
| peerInfo->peerMac[5]) ; |
| disStaCount-- ; |
| peerInfo++ ; |
| currentNode = tdlsDisRspList ; |
| tdlsDisRspList = tdlsDisRspList->next ; |
| palFreeMemory(pMac->hHdd, currentNode) ; |
| /* boundary condition check, may be fatal */ |
| if(((!disStaCount) && (tdlsDisRspList)) |
| || ((!tdlsDisRspList) && disStaCount)) |
| { |
| limLog(pMac, LOG1, FL("mismatch in dis sta count and\ |
| and number of nodes in list\n")) ; |
| VOS_ASSERT(0) ; |
| return NULL ; |
| } |
| } /* end of while */ |
| |
| /* All discovery STA processed */ |
| pMac->lim.gLimTdlsDisResultList = NULL ; |
| |
| } /* end of if dis STA count */ |
| |
| return (disRsp) ; |
| } |
| |
| /* Send Teardown response back to PE */ |
| |
| void limSendSmeTdlsTeardownRsp(tpAniSirGlobal pMac, tSirResultCodes statusCode, |
| tSirMacAddr peerMac, tANI_U16 msgType) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsTeardownRsp *teardownRspMsg = NULL ; |
| tANI_U8 status = eHAL_STATUS_SUCCESS ; |
| |
| mmhMsg.type = msgType ; |
| |
| status = palAllocateMemory( pMac->hHdd, (void **)&teardownRspMsg, |
| sizeof(tSirTdlsTeardownRsp)) ; |
| |
| if(eHAL_STATUS_SUCCESS != status) |
| { |
| VOS_ASSERT(0) ; |
| } |
| palCopyMemory( pMac->hHdd, teardownRspMsg->peerMac, (tANI_U8 *)peerMac, |
| sizeof(tSirMacAddr)) ; |
| teardownRspMsg->statusCode = statusCode ; |
| mmhMsg.bodyptr = teardownRspMsg ; |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| |
| return ; |
| |
| } |
| |
| /* |
| * Send Link start RSP back to SME after link is setup or failed |
| */ |
| void limSendSmeTdlsLinkStartRsp(tpAniSirGlobal pMac, |
| tSirResultCodes statusCode, |
| tSirMacAddr peerMac, |
| tANI_U16 msgType) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsLinksetupRsp *setupRspMsg = NULL ; |
| tANI_U8 status = eHAL_STATUS_SUCCESS ; |
| |
| mmhMsg.type = msgType ; |
| |
| status = palAllocateMemory( pMac->hHdd, (void **)&setupRspMsg, |
| sizeof(tSirTdlsLinksetupRsp)) ; |
| |
| if(eHAL_STATUS_SUCCESS != status) |
| { |
| VOS_ASSERT(0) ; |
| } |
| |
| palCopyMemory( pMac->hHdd, setupRspMsg->peerMac, (tANI_U8 *)peerMac, |
| sizeof(tSirMacAddr)) ; |
| setupRspMsg->statusCode = statusCode ; |
| mmhMsg.bodyptr = setupRspMsg ; |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| |
| return ; |
| } |
| |
| /* |
| * Send TDLS discovery RSP back to SME |
| */ |
| void limSendSmeTdlsDisRsp(tpAniSirGlobal pMac, tSirResultCodes statusCode, |
| tANI_U16 msgType) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsDisRsp *tdlsDisRsp = NULL ; |
| |
| mmhMsg.type = msgType ; |
| |
| if(eSIR_SME_SUCCESS == statusCode) |
| { |
| tANI_U8 tdlsStaCount = pMac->lim.gLimTdlsDisStaCount ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("no of TDLS STA discovered: %d\n"), tdlsStaCount) ; |
| tdlsDisRsp = tdlsPrepareTdlsDisRsp(pMac, tdlsDisRsp, tdlsStaCount) ; |
| |
| if(tdlsDisRsp) |
| { |
| tdlsDisRsp->numDisSta = tdlsStaCount ; |
| } |
| else |
| { |
| limLog(pMac, LOGP, FL("fatal failure for TDLS DIS RSP\n")); |
| VOS_ASSERT(0) ; |
| return ; |
| } |
| /* all Discovery STA is processed */ |
| pMac->lim.gLimTdlsDisStaCount = 0 ; |
| } |
| else |
| { |
| tdlsDisRsp = tdlsPrepareTdlsDisRsp(pMac, tdlsDisRsp, 0) ; |
| } |
| |
| tdlsDisRsp->statusCode = statusCode ; |
| mmhMsg.bodyptr = tdlsDisRsp ; |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| |
| return ; |
| } |
| |
| /* |
| * Once Link is setup with PEER, send Add STA ind to SME |
| */ |
| static eHalStatus limSendSmeTdlsAddPeerInd(tpAniSirGlobal pMac, |
| tANI_U8 sessionId, tDphHashNode *pStaDs, tANI_U8 status) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsPeerInd *peerInd = NULL ; |
| mmhMsg.type = eWNI_SME_ADD_TDLS_PEER_IND ; |
| if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,(void * *) &peerInd, |
| (sizeof(tSirTdlsPeerInd)))) |
| { |
| PELOGE(limLog(pMac, LOGE, FL("Failed to allocate memory"));) |
| return eSIR_FAILURE; |
| } |
| |
| palCopyMemory( pMac->hHdd, peerInd->peerMac, |
| (tANI_U8 *) pStaDs->staAddr, sizeof(tSirMacAddr)); |
| peerInd->sessionId = sessionId; |
| peerInd->staId = pStaDs->staIndex ; |
| peerInd->ucastSig = pStaDs->ucUcastSig ; |
| peerInd->bcastSig = pStaDs->ucBcastSig ; |
| peerInd->length = sizeof(tSmeIbssPeerInd) ; |
| |
| mmhMsg.bodyptr = peerInd ; |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| |
| return eSIR_SUCCESS ; |
| |
| } |
| |
| /* |
| * Once link is teardown, send Del Peer Ind to SME |
| */ |
| static eHalStatus limSendSmeTdlsDelPeerInd(tpAniSirGlobal pMac, |
| tANI_U8 sessionId, tDphHashNode *pStaDs, tANI_U8 status) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsPeerInd *peerInd = NULL ; |
| mmhMsg.type = eWNI_SME_DELETE_TDLS_PEER_IND ; |
| if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,(void * *) &peerInd, |
| (sizeof(tSirTdlsPeerInd)))) |
| { |
| PELOGE(limLog(pMac, LOGE, FL("Failed to allocate memory"));) |
| return eSIR_FAILURE; |
| } |
| |
| palCopyMemory( pMac->hHdd, peerInd->peerMac, |
| (tANI_U8 *) pStaDs->staAddr, sizeof(tSirMacAddr)); |
| peerInd->sessionId = sessionId; |
| peerInd->staId = pStaDs->staIndex ; |
| peerInd->ucastSig = pStaDs->ucUcastSig ; |
| peerInd->bcastSig = pStaDs->ucBcastSig ; |
| peerInd->length = sizeof(tSmeIbssPeerInd) ; |
| |
| mmhMsg.bodyptr = peerInd ; |
| |
| //peerInd->statusCode = status ; |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| return eSIR_SUCCESS ; |
| |
| } |
| |
| /* |
| * Send Link setup Ind to SME, This is the case where, link setup is |
| * initiated by peer STA |
| */ |
| static eHalStatus limSendSmeTdlsLinkSetupInd(tpAniSirGlobal pMac, |
| tSirMacAddr peerMac, tANI_U8 status) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsLinkSetupInd *setupInd = NULL ; |
| |
| mmhMsg.type = eWNI_SME_TDLS_LINK_START_IND ; |
| if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,(void * *) &setupInd, |
| (sizeof(tSirTdlsLinkSetupInd)))) |
| { |
| PELOGE(limLog(pMac, LOGE, FL("Failed to allocate memory"));) |
| return eSIR_FAILURE; |
| } |
| |
| palCopyMemory( pMac->hHdd, setupInd->peerMac, |
| (tANI_U8 *) peerMac, sizeof(tSirMacAddr)); |
| setupInd->length = sizeof(tSirTdlsLinkSetupInd); |
| setupInd->statusCode = status ; |
| mmhMsg.bodyptr = setupInd ; |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| |
| return eSIR_SUCCESS ; |
| |
| } |
| |
| /* |
| * Setup RSP timer handler |
| */ |
| void limTdlsLinkSetupRspTimerHandler(void *pMacGlobal, tANI_U32 timerId) |
| { |
| |
| tANI_U32 statusCode; |
| tSirMsgQ msg; |
| tpAniSirGlobal pMac = (tpAniSirGlobal)pMacGlobal; |
| |
| /* Prepare and post message to LIM Message Queue */ |
| |
| msg.type = SIR_LIM_TDLS_LINK_SETUP_RSP_TIMEOUT; |
| msg.bodyptr = NULL ; |
| msg.bodyval = timerId ; |
| |
| if ((statusCode = limPostMsgApi(pMac, &msg)) != eSIR_SUCCESS) |
| limLog(pMac, LOGE, |
| FL("posting message %X to LIM failed, reason=%d\n"), |
| msg.type, statusCode); |
| return ; |
| } |
| |
| /* |
| * Link setup CNF timer |
| */ |
| void limTdlsLinkSetupCnfTimerHandler(void *pMacGlobal, tANI_U32 timerId) |
| { |
| |
| tANI_U32 statusCode; |
| tSirMsgQ msg; |
| tpAniSirGlobal pMac = (tpAniSirGlobal)pMacGlobal; |
| |
| // Prepare and post message to LIM Message Queue |
| |
| msg.type = SIR_LIM_TDLS_LINK_SETUP_CNF_TIMEOUT; |
| msg.bodyptr = NULL ; |
| msg.bodyval = timerId ; |
| |
| if ((statusCode = limPostMsgApi(pMac, &msg)) != eSIR_SUCCESS) |
| limLog(pMac, LOGE, |
| FL("posting message %X to LIM failed, reason=%d\n"), |
| msg.type, statusCode); |
| return ; |
| } |
| |
| /* |
| * start TDLS timer |
| */ |
| void limStartTdlsTimer(tpAniSirGlobal pMac, tANI_U8 sessionId, TX_TIMER *timer, |
| tANI_U32 timerId, tANI_U16 timerType, tANI_U32 timerMsg) |
| { |
| tANI_U32 cfgValue = (timerMsg == SIR_LIM_TDLS_LINK_SETUP_RSP_TIMEOUT) |
| ? WNI_CFG_TDLS_LINK_SETUP_RSP_TIMEOUT |
| : WNI_CFG_TDLS_LINK_SETUP_CNF_TIMEOUT ; |
| |
| void *timerFunc = (timerMsg == SIR_LIM_TDLS_LINK_SETUP_RSP_TIMEOUT) |
| ? (limTdlsLinkSetupRspTimerHandler) |
| : limTdlsLinkSetupCnfTimerHandler ; |
| |
| /* TODO: Read timer vals from CFG */ |
| |
| cfgValue = SYS_MS_TO_TICKS(cfgValue); |
| /* |
| * create TDLS discovery response wait timer and activate it |
| */ |
| if (tx_timer_create(timer, "TDLS link setup timers", timerFunc, |
| timerId, cfgValue, 0, TX_NO_ACTIVATE) != TX_SUCCESS) |
| { |
| limLog(pMac, LOGP, |
| FL("could not create TDLS discovery response wait timer\n")); |
| return; |
| } |
| |
| //assign appropriate sessionId to the timer object |
| timer->sessionId = sessionId; |
| |
| MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, 0, |
| eLIM_TDLS_DISCOVERY_RSP_WAIT)); |
| if (tx_timer_activate(timer) != TX_SUCCESS) |
| { |
| limLog(pMac, LOGP, FL("TDLS link setup timer activation failed!\n")); |
| return ; |
| } |
| |
| return ; |
| |
| } |
| #endif |
| |
| /* |
| * Once Link is setup with PEER, send Add STA ind to SME |
| */ |
| static eHalStatus limSendSmeTdlsAddStaRsp(tpAniSirGlobal pMac, |
| tANI_U8 sessionId, tSirMacAddr peerMac, tDphHashNode *pStaDs, |
| tANI_U8 status) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsAddStaRsp *addStaRsp = NULL ; |
| mmhMsg.type = eWNI_SME_TDLS_ADD_STA_RSP ; |
| if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,(void * *) &addStaRsp, |
| (sizeof(tSirTdlsAddStaRsp)))) |
| { |
| PELOGE(limLog(pMac, LOGE, FL("Failed to allocate memory"));) |
| return eSIR_FAILURE; |
| } |
| |
| addStaRsp->sessionId = sessionId; |
| addStaRsp->statusCode = status; |
| if( pStaDs ) |
| { |
| addStaRsp->staId = pStaDs->staIndex ; |
| addStaRsp->ucastSig = pStaDs->ucUcastSig ; |
| addStaRsp->bcastSig = pStaDs->ucBcastSig ; |
| } |
| if( peerMac ) |
| { |
| palCopyMemory( pMac->hHdd, addStaRsp->peerMac, |
| (tANI_U8 *) peerMac, sizeof(tSirMacAddr)); |
| } |
| addStaRsp->length = sizeof(tSirTdlsAddStaRsp) ; |
| addStaRsp->messageType = eWNI_SME_TDLS_ADD_STA_RSP ; |
| |
| mmhMsg.bodyptr = addStaRsp; |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| |
| return eSIR_SUCCESS ; |
| |
| } |
| /* |
| * STA RSP received from HAL |
| */ |
| eHalStatus limProcessTdlsAddStaRsp(tpAniSirGlobal pMac, void *msg, |
| tpPESession psessionEntry) |
| { |
| tAddStaParams *pAddStaParams = (tAddStaParams *) msg ; |
| tANI_U8 status = eSIR_SUCCESS ; |
| tDphHashNode *pStaDs = NULL ; |
| tANI_U16 aid = 0 ; |
| |
| SET_LIM_PROCESS_DEFD_MESGS(pMac, true); |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("ADD_STA_RSP received :staIdx=%d, staMac=%02x:%02x:%02x:%02x:%02x:%02x"), pAddStaParams->staIdx, \ |
| pAddStaParams->staMac[0], |
| pAddStaParams->staMac[1], |
| pAddStaParams->staMac[2], |
| pAddStaParams->staMac[3], |
| pAddStaParams->staMac[4], |
| pAddStaParams->staMac[5] ) ; |
| |
| if (pAddStaParams->status != eHAL_STATUS_SUCCESS) |
| { |
| VOS_ASSERT(0) ; |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("Add sta failed \n")) ; |
| status = eSIR_FAILURE; |
| goto add_sta_error; |
| } |
| |
| pStaDs = dphLookupHashEntry(pMac, pAddStaParams->staMac, &aid, |
| &psessionEntry->dph.dphHashTable); |
| if(NULL == pStaDs) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("pStaDs is NULL \n")) ; |
| status = eSIR_FAILURE; |
| goto add_sta_error; |
| } |
| |
| pStaDs->bssId = pAddStaParams->bssIdx; |
| pStaDs->staIndex = pAddStaParams->staIdx; |
| pStaDs->ucUcastSig = pAddStaParams->ucUcastSig; |
| pStaDs->ucBcastSig = pAddStaParams->ucBcastSig; |
| pStaDs->mlmStaContext.mlmState = eLIM_MLM_LINK_ESTABLISHED_STATE; |
| pStaDs->valid = 1 ; |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| status = limSendSmeTdlsAddPeerInd(pMac, psessionEntry->smeSessionId, |
| pStaDs, eSIR_SUCCESS ) ; |
| if(eSIR_FAILURE == status) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("Peer IND msg to SME failed\n")) ; |
| palFreeMemory( pMac->hHdd, (void *) pAddStaParams ); |
| return eSIR_FAILURE ; |
| } |
| |
| /* |
| * Now, there is two things a) ADD STA RSP for ADD STA request sent |
| * after recieving discovery request from Peer. |
| * now we have to send discovery response, if there is any pending |
| * discovery equest.. |
| */ |
| do |
| { |
| tSirTdlsPeerInfo *peerInfo = limTdlsFindDisPeer(pMac, |
| pAddStaParams->staMac) ; |
| |
| |
| if(peerInfo) |
| { |
| /* |
| * send TDLS discovery response frame on direct link, state machine |
| * is rolling.., once discovery response is get Acked, we will |
| * send response to SME based on TxComplete callback results |
| */ |
| limSendTdlsDisRspFrame(pMac, peerInfo->peerMac, peerInfo->dialog, psessionEntry) ; |
| peerInfo->tdlsPeerState = TDLS_DIS_RSP_SENT_WAIT_STATE ; |
| } |
| } while(0) ; |
| #else |
| status = limSendSmeTdlsAddStaRsp(pMac, psessionEntry->smeSessionId, |
| pAddStaParams->staMac, pStaDs, status) ; |
| if(eSIR_FAILURE == status) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| ("Peer IND msg to SME failed\n")) ; |
| palFreeMemory( pMac->hHdd, (void *) pAddStaParams ); |
| } |
| return status; |
| |
| #endif |
| add_sta_error: |
| status = limSendSmeTdlsAddStaRsp(pMac, psessionEntry->smeSessionId, |
| pAddStaParams->staMac, NULL, status) ; |
| palFreeMemory( pMac->hHdd, (void *) pAddStaParams ); |
| return status ; |
| } |
| |
| /* |
| * FUNCTION: Populate Link Identifier element IE |
| * |
| */ |
| |
| |
| void PopulateDot11fLinkIden(tpAniSirGlobal pMac, tpPESession psessionEntry, |
| tDot11fIELinkIdentifier *linkIden, |
| tSirMacAddr peerMac, tANI_U8 reqType) |
| { |
| //tANI_U32 size = sizeof(tSirMacAddr) ; |
| tANI_U8 *initStaAddr = NULL ; |
| tANI_U8 *respStaAddr = NULL ; |
| |
| (reqType == TDLS_INITIATOR) ? ((initStaAddr = linkIden->InitStaAddr), |
| (respStaAddr = linkIden->RespStaAddr)) |
| : ((respStaAddr = linkIden->InitStaAddr ), |
| (initStaAddr = linkIden->RespStaAddr)) ; |
| palCopyMemory( pMac->hHdd, (tANI_U8 *)linkIden->bssid, |
| (tANI_U8 *) psessionEntry->bssId, sizeof(tSirMacAddr)) ; |
| |
| palCopyMemory( pMac->hHdd, (tANI_U8 *)initStaAddr, |
| psessionEntry->selfMacAddr, sizeof(tSirMacAddr)) ; |
| |
| palCopyMemory( pMac->hHdd, (tANI_U8 *)respStaAddr, (tANI_U8 *) peerMac, |
| sizeof( tSirMacAddr )); |
| |
| linkIden->present = 1 ; |
| return ; |
| |
| } |
| |
| void PopulateDot11fTdlsExtCapability(tpAniSirGlobal pMac, |
| tDot11fIEExtCap *extCapability) |
| { |
| extCapability->TDLSPeerPSMSupp = PEER_PSM_SUPPORT ; |
| extCapability->TDLSPeerUAPSDBufferSTA = PEER_BUFFER_STA_SUPPORT ; |
| extCapability->TDLSChannelSwitching = CH_SWITCH_SUPPORT ; |
| extCapability->TDLSSupport = TDLS_SUPPORT ; |
| extCapability->TDLSProhibited = TDLS_PROHIBITED ; |
| extCapability->TDLSChanSwitProhibited = TDLS_CH_SWITCH_PROHIBITED ; |
| extCapability->present = 1 ; |
| return ; |
| } |
| |
| #ifdef FEATURE_WLAN_TDLS_INTERNAL |
| /* |
| * Public Action frame common processing |
| * This Function will be moved/merged to appropriate place |
| * once other public action frames (particularly 802.11k) |
| * is in place |
| */ |
| void limProcessTdlsPublicActionFrame(tpAniSirGlobal pMac, tANI_U32 *pBd, |
| tpPESession psessionEntry) |
| { |
| tANI_U32 frameLen = WDA_GET_RX_PAYLOAD_LEN(pBd) ; |
| tANI_U8 *pBody = WDA_GET_RX_MPDU_DATA(pBd) ; |
| tANI_S8 rssi = (tANI_S8)WDA_GET_RX_RSSI_DB(pBd) ; |
| |
| limProcessTdlsDisRspFrame(pMac, pBody, frameLen, rssi, psessionEntry) ; |
| return ; |
| } |
| |
| eHalStatus limTdlsPrepareSetupReqFrame(tpAniSirGlobal pMac, |
| tLimTdlsLinkSetupInfo *linkSetupInfo, |
| tANI_U8 dialog, tSirMacAddr peerMac, |
| tpPESession psessionEntry) |
| { |
| tLimTdlsLinkSetupPeer *setupPeer = NULL ; |
| |
| /* |
| * we allocate the TDLS setup Peer Memory here, we will free'd this |
| * memory after teardown, if the link is successfully setup or |
| * free this memory if any timeout is happen in link setup procedure |
| */ |
| if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, |
| (void **) &setupPeer, sizeof( tLimTdlsLinkSetupPeer ))) |
| { |
| limLog( pMac, LOGP, |
| FL( "Unable to allocate memory during ADD_STA\n" )); |
| VOS_ASSERT(0) ; |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| setupPeer->dialog = dialog ; |
| setupPeer->tdls_prev_link_state = setupPeer->tdls_link_state ; |
| setupPeer->tdls_link_state = TDLS_LINK_SETUP_START_STATE ; |
| |
| /* TDLS_sessionize: remember sessionId for future */ |
| setupPeer->tdls_sessionId = psessionEntry->peSessionId; |
| setupPeer->tdls_bIsResponder = 1; |
| |
| /* |
| * we only populate peer MAC, so it can assit us to find the |
| * TDLS peer after response/or after response timeout |
| */ |
| palCopyMemory(pMac->hHdd, setupPeer->peerMac, peerMac, |
| sizeof(tSirMacAddr)) ; |
| /* format TDLS discovery request frame and transmit it */ |
| limSendTdlsLinkSetupReqFrame(pMac, peerMac, dialog, psessionEntry, NULL, 0) ; |
| |
| limStartTdlsTimer(pMac, psessionEntry->peSessionId, |
| &setupPeer->gLimTdlsLinkSetupRspTimeoutTimer, |
| (tANI_U32)setupPeer->peerMac, |
| WNI_CFG_TDLS_LINK_SETUP_RSP_TIMEOUT, |
| SIR_LIM_TDLS_LINK_SETUP_RSP_TIMEOUT) ; |
| /* update setup peer list */ |
| setupPeer->next = linkSetupInfo->tdlsLinkSetupList ; |
| linkSetupInfo->tdlsLinkSetupList = setupPeer ; |
| |
| /* in case of success, eWNI_SME_TDLS_LINK_START_RSP is sent back to |
| * SME later when TDLS setup cnf TX complete is successful. --> see |
| * limTdlsSetupCnfTxComplete() |
| */ |
| return eSIR_SUCCESS ; |
| } |
| #endif |
| |
| /* |
| * Process Send Mgmt Request from SME and transmit to AP. |
| */ |
| tSirRetStatus limProcessSmeTdlsMgmtSendReq(tpAniSirGlobal pMac, |
| tANI_U32 *pMsgBuf) |
| { |
| /* get all discovery request parameters */ |
| tSirTdlsSendMgmtReq *pSendMgmtReq = (tSirTdlsSendMgmtReq*) pMsgBuf ; |
| tpPESession psessionEntry; |
| tANI_U8 sessionId; |
| tSirResultCodes resultCode = eSIR_SME_INVALID_PARAMETERS; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Send Mgmt Recieved\n")) ; |
| |
| if((psessionEntry = peFindSessionByBssid(pMac, pSendMgmtReq->bssid, &sessionId)) |
| == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| "PE Session does not exist for given sme sessionId %d\n", |
| pSendMgmtReq->sessionId); |
| goto lim_tdls_send_mgmt_error; |
| } |
| |
| /* check if we are in proper state to work as TDLS client */ |
| if (psessionEntry->limSystemRole != eLIM_STA_ROLE) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| "send mgmt received in wrong system Role %d\n", |
| psessionEntry->limSystemRole); |
| goto lim_tdls_send_mgmt_error; |
| } |
| |
| /* |
| * if we are still good, go ahead and check if we are in proper state to |
| * do TDLS discovery req/rsp/....frames. |
| */ |
| if ((psessionEntry->limSmeState != eLIM_SME_ASSOCIATED_STATE) && |
| (psessionEntry->limSmeState != eLIM_SME_LINK_EST_STATE)) |
| { |
| |
| limLog(pMac, LOGE, "send mgmt received in invalid LIMsme \ |
| state (%d)\n", psessionEntry->limSmeState); |
| goto lim_tdls_send_mgmt_error; |
| } |
| |
| switch( pSendMgmtReq->reqType ) |
| { |
| case SIR_MAC_TDLS_DIS_REQ: |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| "Transmit Discovery Request Frame\n") ; |
| /* format TDLS discovery request frame and transmit it */ |
| limSendTdlsDisReqFrame(pMac, pSendMgmtReq->peerMac, pSendMgmtReq->dialog, |
| psessionEntry) ; |
| resultCode = eSIR_SME_SUCCESS; |
| break; |
| case SIR_MAC_TDLS_DIS_RSP: |
| { |
| //Send a response mgmt action frame |
| limSendTdlsDisRspFrame(pMac, pSendMgmtReq->peerMac, |
| pSendMgmtReq->dialog, psessionEntry) ; |
| resultCode = eSIR_SME_SUCCESS; |
| } |
| break; |
| case SIR_MAC_TDLS_SETUP_REQ: |
| { |
| limSendTdlsLinkSetupReqFrame(pMac, |
| pSendMgmtReq->peerMac, pSendMgmtReq->dialog, psessionEntry, |
| &pSendMgmtReq->addIe[0], (pSendMgmtReq->length - sizeof(tSirTdlsSendMgmtReq))); |
| resultCode = eSIR_SME_SUCCESS; |
| } |
| break; |
| case SIR_MAC_TDLS_SETUP_RSP: |
| { |
| limSendTdlsSetupRspFrame(pMac, |
| pSendMgmtReq->peerMac, pSendMgmtReq->dialog, psessionEntry, pSendMgmtReq->statusCode, |
| &pSendMgmtReq->addIe[0], (pSendMgmtReq->length - sizeof(tSirTdlsSendMgmtReq))); |
| resultCode = eSIR_SME_SUCCESS; |
| } |
| break; |
| case SIR_MAC_TDLS_SETUP_CNF: |
| { |
| limSendTdlsLinkSetupCnfFrame(pMac, pSendMgmtReq->peerMac, pSendMgmtReq->dialog, |
| psessionEntry, &pSendMgmtReq->addIe[0], (pSendMgmtReq->length - sizeof(tSirTdlsSendMgmtReq))); |
| resultCode = eSIR_SME_SUCCESS; |
| } |
| break; |
| case SIR_MAC_TDLS_TEARDOWN: |
| { |
| limSendTdlsTeardownFrame(pMac, |
| pSendMgmtReq->peerMac, pSendMgmtReq->statusCode, psessionEntry, |
| &pSendMgmtReq->addIe[0], (pSendMgmtReq->length - sizeof(tSirTdlsSendMgmtReq))); |
| resultCode = eSIR_SME_SUCCESS; |
| } |
| break; |
| case SIR_MAC_TDLS_PEER_TRAFFIC_IND: |
| { |
| } |
| break; |
| case SIR_MAC_TDLS_CH_SWITCH_REQ: |
| { |
| } |
| break; |
| case SIR_MAC_TDLS_CH_SWITCH_RSP: |
| { |
| } |
| break; |
| case SIR_MAC_TDLS_PEER_TRAFFIC_RSP: |
| { |
| } |
| break; |
| default: |
| break; |
| } |
| |
| lim_tdls_send_mgmt_error: |
| |
| limSendSmeRsp( pMac, eWNI_SME_TDLS_SEND_MGMT_RSP, |
| resultCode, pSendMgmtReq->sessionId, pSendMgmtReq->transactionId); |
| |
| return eSIR_SUCCESS; |
| } |
| |
| /* |
| * Once link is teardown, send Del Peer Ind to SME |
| */ |
| static eHalStatus limSendSmeTdlsDelStaRsp(tpAniSirGlobal pMac, |
| tANI_U8 sessionId, tSirMacAddr peerMac, tDphHashNode *pStaDs, |
| tANI_U8 status) |
| { |
| tSirMsgQ mmhMsg = {0} ; |
| tSirTdlsDelStaRsp *pDelSta = NULL ; |
| mmhMsg.type = eWNI_SME_TDLS_DEL_STA_RSP ; |
| if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd,(void * *) &pDelSta, |
| (sizeof(tSirTdlsDelStaRsp)))) |
| { |
| PELOGE(limLog(pMac, LOGE, FL("Failed to allocate memory"));) |
| return eSIR_FAILURE; |
| } |
| |
| pDelSta->sessionId = sessionId; |
| pDelSta->statusCode = status ; |
| if( pStaDs ) |
| { |
| pDelSta->staId = pStaDs->staIndex ; |
| } |
| if( peerMac ) |
| { |
| palCopyMemory(pMac->hHdd, pDelSta->peerMac, peerMac, sizeof(tSirMacAddr)); |
| } |
| |
| pDelSta->length = sizeof(tSirTdlsDelStaRsp) ; |
| pDelSta->messageType = eWNI_SME_TDLS_DEL_STA_RSP ; |
| |
| mmhMsg.bodyptr = pDelSta; |
| |
| mmhMsg.bodyval = 0; |
| limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT); |
| return eSIR_SUCCESS ; |
| |
| } |
| |
| /* |
| * Process Send Mgmt Request from SME and transmit to AP. |
| */ |
| tSirRetStatus limProcessSmeTdlsAddStaReq(tpAniSirGlobal pMac, |
| tANI_U32 *pMsgBuf) |
| { |
| /* get all discovery request parameters */ |
| tSirTdlsAddStaReq *pAddStaReq = (tSirTdlsAddStaReq*) pMsgBuf ; |
| tpPESession psessionEntry; |
| tANI_U8 sessionId; |
| tLimTdlsLinkSetupPeer setupPeer = {0}; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Send Mgmt Recieved\n")) ; |
| |
| if((psessionEntry = peFindSessionByBssid(pMac, pAddStaReq->bssid, &sessionId)) |
| == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| "PE Session does not exist for given sme sessionId %d\n", |
| pAddStaReq->sessionId); |
| goto lim_tdls_add_sta_error; |
| } |
| |
| /* check if we are in proper state to work as TDLS client */ |
| if (psessionEntry->limSystemRole != eLIM_STA_ROLE) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| "send mgmt received in wrong system Role %d\n", |
| psessionEntry->limSystemRole); |
| goto lim_tdls_add_sta_error; |
| } |
| |
| /* |
| * if we are still good, go ahead and check if we are in proper state to |
| * do TDLS discovery req/rsp/....frames. |
| */ |
| if ((psessionEntry->limSmeState != eLIM_SME_ASSOCIATED_STATE) && |
| (psessionEntry->limSmeState != eLIM_SME_LINK_EST_STATE)) |
| { |
| |
| limLog(pMac, LOGE, "send mgmt received in invalid LIMsme \ |
| state (%d)\n", psessionEntry->limSmeState); |
| goto lim_tdls_add_sta_error; |
| } |
| |
| pMac->lim.gLimAddStaTdls = true ; |
| |
| /* To start with, send add STA request to HAL */ |
| if(eSIR_FAILURE == limTdlsSetupAddSta(pMac, pAddStaReq->peerMac, |
| &setupPeer, psessionEntry)) |
| { |
| VOS_ASSERT(0) ; |
| goto lim_tdls_add_sta_error; |
| } |
| return eSIR_SUCCESS; |
| lim_tdls_add_sta_error: |
| limSendSmeTdlsAddStaRsp(pMac, |
| pAddStaReq->sessionId, pAddStaReq->peerMac, NULL, eSIR_FAILURE ); |
| |
| return eSIR_SUCCESS; |
| } |
| /* |
| * Process Del Sta Request from SME . |
| */ |
| tSirRetStatus limProcessSmeTdlsDelStaReq(tpAniSirGlobal pMac, |
| tANI_U32 *pMsgBuf) |
| { |
| /* get all discovery request parameters */ |
| tSirTdlsDelStaReq *pDelStaReq = (tSirTdlsDelStaReq*) pMsgBuf ; |
| tpPESession psessionEntry; |
| tANI_U8 sessionId; |
| tpDphHashNode pStaDs = NULL ; |
| |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, |
| ("Send Mgmt Recieved\n")) ; |
| |
| if((psessionEntry = peFindSessionByBssid(pMac, pDelStaReq->bssid, &sessionId)) |
| == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| "PE Session does not exist for given sme sessionId %d\n", |
| pDelStaReq->sessionId); |
| limSendSmeTdlsDelStaRsp(pMac, 0, pDelStaReq->peerMac, |
| NULL, eSIR_FAILURE) ; |
| return eSIR_FAILURE; |
| } |
| |
| /* check if we are in proper state to work as TDLS client */ |
| if (psessionEntry->limSystemRole != eLIM_STA_ROLE) |
| { |
| VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ERROR, |
| "Del sta received in wrong system Role %d\n", |
| psessionEntry->limSystemRole); |
| goto lim_tdls_del_sta_error; |
| } |
| |
| /* |
| * if we are still good, go ahead and check if we are in proper state to |
| * do TDLS discovery req/rsp/....frames. |
| */ |
| if ((psessionEntry->limSmeState != eLIM_SME_ASSOCIATED_STATE) && |
| (psessionEntry->limSmeState != eLIM_SME_LINK_EST_STATE)) |
| { |
| |
| limLog(pMac, LOGE, "Del Sta received in invalid LIMsme \ |
| state (%d)\n", psessionEntry->limSmeState); |
| goto lim_tdls_del_sta_error; |
| } |
| |
| pStaDs = limTdlsDelSta(pMac, pDelStaReq->peerMac, psessionEntry) ; |
| |
| /* now send indication to SME-->HDD->TL to remove STA from TL */ |
| |
| if(pStaDs) |
| { |
| limSendSmeTdlsDelStaRsp(pMac, psessionEntry->smeSessionId, pDelStaReq->peerMac, |
| pStaDs, eSIR_SUCCESS) ; |
| return eSIR_SUCCESS; |
| |
| } |
| |
| lim_tdls_del_sta_error: |
| limSendSmeTdlsDelStaRsp(pMac, psessionEntry->smeSessionId, pDelStaReq->peerMac, |
| NULL, eSIR_FAILURE) ; |
| |
| return eSIR_SUCCESS; |
| } |
| #endif |