| /* |
| * Copyright (c) 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. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| #if !defined( __LIM_SESSION_H ) |
| #define __LIM_SESSION_H |
| |
| |
| /**========================================================================= |
| |
| \file limSession.h |
| |
| \brief prototype for lim Session related APIs |
| |
| \author Sunit Bhatia |
| |
| ========================================================================*/ |
| |
| /* Powersave Offload Implementation */ |
| typedef enum ePowersaveState |
| { |
| PMM_FULL_POWER, |
| PMM_POWER_SAVE |
| }tPowersaveState; |
| |
| /* Master Structure: This will be part of PE Session Entry */ |
| typedef struct sPowersaveoffloadInfo |
| { |
| tPowersaveState psstate; |
| tANI_U8 bcnmiss; |
| }tPowersaveoffloadInfo, tpPowersaveoffloadInfo; |
| |
| /*-------------------------------------------------------------------------- |
| Include Files |
| ------------------------------------------------------------------------*/ |
| |
| |
| |
| /*-------------------------------------------------------------------------- |
| Preprocessor definitions and constants |
| ------------------------------------------------------------------------*/ |
| #define NUM_WEP_KEYS 4 |
| |
| /*-------------------------------------------------------------------------- |
| Type declarations |
| ------------------------------------------------------------------------*/ |
| typedef struct |
| { |
| tSirMacBeaconInterval beaconInterval; |
| tANI_U8 fShortPreamble; |
| tANI_U8 llaCoexist; |
| tANI_U8 llbCoexist; |
| tANI_U8 llgCoexist; |
| tANI_U8 ht20Coexist; |
| tANI_U8 llnNonGFCoexist; |
| tANI_U8 fRIFSMode; |
| tANI_U8 fLsigTXOPProtectionFullSupport; |
| tANI_U8 gHTObssMode; |
| }tBeaconParams, *tpBeaconParams; |
| |
| typedef struct sPESession // Added to Support BT-AMP |
| { |
| /* To check session table is in use or free*/ |
| tANI_U8 available; |
| tANI_U8 peSessionId; |
| tANI_U8 smeSessionId; |
| tANI_U16 transactionId; |
| |
| //In AP role: BSSID and selfMacAddr will be the same. |
| //In STA role: they will be different |
| tSirMacAddr bssId; |
| tSirMacAddr selfMacAddr; |
| tSirMacSSid ssId; |
| tANI_U8 bssIdx; |
| tANI_U8 valid; |
| tLimMlmStates limMlmState; //MLM State |
| tLimMlmStates limPrevMlmState; //Previous MLM State |
| tLimSmeStates limSmeState; //SME State |
| tLimSmeStates limPrevSmeState; //Previous SME State |
| tLimSystemRole limSystemRole; |
| tSirBssType bssType; |
| tANI_U8 operMode; // AP - 0; STA - 1 ; |
| tSirNwType nwType; |
| tpSirSmeStartBssReq pLimStartBssReq; //handle to smestart bss req |
| tpSirSmeJoinReq pLimJoinReq; // handle to sme join req |
| tpSirSmeJoinReq pLimReAssocReq; //handle to sme reassoc req |
| tpLimMlmJoinReq pLimMlmJoinReq; //handle to MLM join Req |
| #if defined (WLAN_FEATURE_VOWIFI_11R) || defined (FEATURE_WLAN_CCX) || defined(FEATURE_WLAN_LFR) |
| void *pLimMlmReassocRetryReq; //keep reasoc req for retry |
| #endif |
| void *pLimMlmReassocReq; //handle to MLM reassoc Req |
| tANI_U16 channelChangeReasonCode; |
| tANI_U8 dot11mode; |
| tANI_U8 htCapability; |
| /* Supported Channel Width Set: 0-20MHz 1 - 40MHz */ |
| tANI_U8 htSupportedChannelWidthSet; |
| /* Recommended Tx Width Set |
| * 0 - use 20 MHz channel (control channel) |
| * 1 - use channel width enabled under Supported Channel Width Set |
| */ |
| tANI_U8 htRecommendedTxWidthSet; |
| /* Identifies the 40 MHz extension channel */ |
| ePhyChanBondState htSecondaryChannelOffset; |
| tSirRFBand limRFBand; |
| tANI_U8 limIbssActive; //TO SUPPORT CONCURRENCY |
| |
| /* These global varibales moved to session Table to support BT-AMP : Oct 9th review */ |
| tAniAuthType limCurrentAuthType; |
| tANI_U16 limCurrentBssCaps; |
| tANI_U8 limCurrentBssQosCaps; |
| tANI_U16 limCurrentBssPropCap; |
| tANI_U8 limSentCapsChangeNtf; |
| tANI_U16 limAID; |
| |
| /* Parameters For Reassociation */ |
| tSirMacAddr limReAssocbssId; |
| tSirMacChanNum limReassocChannelId; |
| /* CB paramaters required/duplicated for Reassoc since re-assoc mantains its own params in lim */ |
| tANI_U8 reAssocHtSupportedChannelWidthSet; |
| tANI_U8 reAssocHtRecommendedTxWidthSet; |
| ePhyChanBondState reAssocHtSecondaryChannelOffset; |
| tSirMacSSid limReassocSSID; |
| tANI_U16 limReassocBssCaps; |
| tANI_U8 limReassocBssQosCaps; |
| tANI_U16 limReassocBssPropCap; |
| |
| // Assoc or ReAssoc Response Data/Frame |
| void *limAssocResponseData; |
| |
| |
| |
| /** BSS Table parameters **/ |
| |
| |
| /* |
| * staId: Start BSS: this is the Sta Id for the BSS. |
| Join: this is the selfStaId |
| In both cases above, the peer STA ID wll be stored in dph hash table. |
| */ |
| tANI_U16 staId; |
| tANI_U16 statypeForBss; //to know session is for PEER or SELF |
| tANI_U8 shortSlotTimeSupported; |
| tANI_U8 dtimPeriod; |
| tSirMacRateSet rateSet; |
| tSirMacRateSet extRateSet; |
| tSirMacHTOperatingMode htOperMode; |
| tANI_U8 currentOperChannel; |
| tANI_U8 currentReqChannel; |
| tANI_U8 LimRxedBeaconCntDuringHB; |
| |
| //Time stamp of the last beacon received from the BSS to which STA is connected. |
| tANI_U64 lastBeaconTimeStamp; |
| //RX Beacon count for the current BSS to which STA is connected. |
| tANI_U32 currentBssBeaconCnt; |
| tANI_U8 lastBeaconDtimCount; |
| tANI_U8 lastBeaconDtimPeriod; |
| |
| tANI_U32 bcnLen; |
| tANI_U8 *beacon; //Used to store last beacon / probe response before assoc. |
| |
| tANI_U32 assocReqLen; |
| tANI_U8 *assocReq; //Used to store association request frame sent out while associating. |
| |
| tANI_U32 assocRspLen; |
| tANI_U8 *assocRsp; //Used to store association response received while associating |
| tAniSirDph dph; |
| void * *parsedAssocReq; //Used to store parsed assoc req from various requesting station |
| #ifdef WLAN_FEATURE_VOWIFI_11R |
| tANI_U32 RICDataLen; //Used to store the Ric data received in the assoc response |
| tANI_U8 *ricData; |
| #endif |
| #ifdef FEATURE_WLAN_CCX |
| tANI_U32 tspecLen; //Used to store the TSPEC IEs received in the assoc response |
| tANI_U8 *tspecIes; |
| #endif |
| tANI_U32 encryptType; |
| |
| tANI_BOOLEAN bTkipCntrMeasActive; // Used to keep record of TKIP counter measures start/stop |
| |
| tANI_U8 gLimProtectionControl; //used for 11n protection |
| |
| tANI_U8 gHTNonGFDevicesPresent; |
| |
| //protection related config cache |
| tCfgProtection cfgProtection; |
| |
| // Number of legacy STAs associated |
| tLimProtStaParams gLim11bParams; |
| |
| // Number of 11A STAs associated |
| tLimProtStaParams gLim11aParams; |
| |
| // Number of non-ht non-legacy STAs associated |
| tLimProtStaParams gLim11gParams; |
| |
| //Number of nonGf STA associated |
| tLimProtStaParams gLimNonGfParams; |
| |
| //Number of HT 20 STAs associated |
| tLimProtStaParams gLimHt20Params; |
| |
| //Number of Lsig Txop not supported STAs associated |
| tLimProtStaParams gLimLsigTxopParams; |
| |
| // Number of STAs that do not support short preamble |
| tLimNoShortParams gLimNoShortParams; |
| |
| // Number of STAs that do not support short slot time |
| tLimNoShortSlotParams gLimNoShortSlotParams; |
| |
| |
| // OLBC parameters |
| tLimProtStaParams gLimOlbcParams; |
| |
| // OLBC parameters |
| tLimProtStaParams gLimOverlap11gParams; |
| |
| tLimProtStaParams gLimOverlap11aParams; |
| tLimProtStaParams gLimOverlapHt20Params; |
| tLimProtStaParams gLimOverlapNonGfParams; |
| |
| //cache for each overlap |
| tCacheParams protStaCache[LIM_PROT_STA_CACHE_SIZE]; |
| |
| tANI_U8 privacy; |
| tAniAuthType authType; |
| tSirKeyMaterial WEPKeyMaterial[NUM_WEP_KEYS]; |
| |
| tDot11fIERSN gStartBssRSNIe; |
| tDot11fIEWPA gStartBssWPAIe; |
| tSirAPWPSIEs APWPSIEs; |
| tANI_U8 apUapsdEnable; |
| tSirWPSPBCSession *pAPWPSPBCSession; |
| tANI_U32 DefProbeRspIeBitmap[8]; |
| tANI_U32 proxyProbeRspEn; |
| tDot11fProbeResponse probeRespFrame; |
| tANI_U8 ssidHidden; |
| tANI_BOOLEAN fwdWPSPBCProbeReq; |
| tANI_U8 wps_state; |
| |
| tANI_U8 limQosEnabled:1; //11E |
| tANI_U8 limWmeEnabled:1; //WME |
| tANI_U8 limWsmEnabled:1; //WSM |
| tANI_U8 limHcfEnabled:1; |
| tANI_U8 lim11dEnabled:1; |
| #ifdef WLAN_FEATURE_11W |
| tANI_U8 limRmfEnabled:1; //11W |
| #endif |
| tANI_U32 lim11hEnable; |
| |
| tPowerdBm maxTxPower; //MIN (Regulatory and local power constraint) |
| tVOS_CON_MODE pePersona; |
| #if defined WLAN_FEATURE_VOWIFI |
| tPowerdBm txMgmtPower; |
| #endif |
| |
| #ifdef WLAN_FEATURE_VOWIFI_11R |
| tAniBool is11Rconnection; |
| #endif |
| |
| #ifdef FEATURE_WLAN_CCX |
| tAniBool isCCXconnection; |
| tCcxPEContext ccxContext; |
| #endif |
| #if defined WLAN_FEATURE_VOWIFI_11R || defined FEATURE_WLAN_CCX || defined(FEATURE_WLAN_LFR) |
| tAniBool isFastTransitionEnabled; |
| #endif |
| #ifdef FEATURE_WLAN_LFR |
| tAniBool isFastRoamIniFeatureEnabled; |
| #endif |
| tSirNoAParam p2pNoA; |
| tSirP2PNoaAttr p2pGoPsUpdate; |
| tANI_U32 defaultAuthFailureTimeout; |
| tSirP2PNoaStart p2pGoPsNoaStartInd; |
| |
| /* EDCA QoS parameters |
| * gLimEdcaParams - These EDCA parameters are used locally on AP or STA. |
| * If STA, then these are values taken from the Assoc Rsp when associating, |
| * or Beacons/Probe Response after association. If AP, then these are |
| * values originally set locally on AP. |
| * |
| * gLimEdcaParamsBC - These EDCA parameters are use by AP to broadcast |
| * to other STATIONs in the BSS. |
| * |
| * gLimEdcaParamsActive: These EDCA parameters are what's actively being |
| * used on station. Specific AC values may be downgraded depending on |
| * admission control for that particular AC. |
| */ |
| tSirMacEdcaParamRecord gLimEdcaParams[MAX_NUM_AC]; //used locally |
| tSirMacEdcaParamRecord gLimEdcaParamsBC[MAX_NUM_AC]; //used for broadcast |
| tSirMacEdcaParamRecord gLimEdcaParamsActive[MAX_NUM_AC]; |
| |
| tANI_U8 gLimEdcaParamSetCount; |
| |
| tBeaconParams beaconParams; |
| #ifdef WLAN_FEATURE_11AC |
| tANI_U8 vhtCapability; |
| tANI_U8 vhtTxChannelWidthSet; |
| tLimOperatingModeInfo gLimOperatingMode; |
| tLimWiderBWChannelSwitchInfo gLimWiderBWChannelSwitch; |
| tANI_U8 vhtCapabilityPresentInBeacon; |
| tANI_U8 apCenterChan; |
| tANI_U8 apChanWidth; |
| tANI_U8 txBFIniFeatureEnabled; |
| tANI_U8 txMuBformee; |
| tANI_U8 enableVhtpAid; |
| tANI_U8 enableVhtGid; |
| #endif |
| tANI_U8 enableAmpduPs; |
| tANI_U8 enableHtSmps; |
| tANI_U8 htSmpsvalue; |
| tANI_U8 spectrumMgtEnabled; |
| /* *********************11H related*****************************/ |
| //tANI_U32 gLim11hEnable; |
| tLimSpecMgmtInfo gLimSpecMgmt; |
| // CB Primary/Secondary Channel Switch Info |
| tLimChannelSwitchInfo gLimChannelSwitch; |
| /* *********************End 11H related*****************************/ |
| |
| /*Flag to Track Status/Indicate HBFailure on this session */ |
| tANI_BOOLEAN LimHBFailureStatus; |
| tANI_U32 gLimPhyMode; |
| tANI_U8 amsduSupportedInBA; |
| tANI_U8 txLdpcIniFeatureEnabled; |
| /** |
| * Following is the place holder for free peer index pool. |
| * A non-zero value indicates that peer index is available |
| * for assignment. |
| */ |
| tANI_U8 *gpLimPeerIdxpool; |
| tANI_U8 freePeerIdxHead; |
| tANI_U8 freePeerIdxTail; |
| tANI_U16 gLimNumOfCurrentSTAs; |
| #ifdef FEATURE_WLAN_TDLS |
| tANI_U32 peerAIDBitmap[2]; |
| #endif |
| tANI_BOOLEAN fWaitForProbeRsp; |
| tANI_BOOLEAN fIgnoreCapsChange; |
| tANI_BOOLEAN fDeauthReceived; |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM |
| tANI_S8 rssi; |
| #endif |
| tANI_U8 isAmsduSupportInAMPDU; |
| tANI_U8 isCoalesingInIBSSAllowed; |
| |
| tSirHTConfig htConfig; |
| |
| /* |
| * Place holder for StartBssReq message |
| * received by SME state machine |
| */ |
| tANI_U8 gLimCurrentBssUapsd; |
| |
| /* Used on STA, this is a static UAPSD mask setting |
| * derived from SME_JOIN_REQ and SME_REASSOC_REQ. If a |
| * particular AC bit is set, it means the AC is both |
| * trigger enabled and delivery enabled. |
| */ |
| tANI_U8 gUapsdPerAcBitmask; |
| |
| /* Used on STA, this is a dynamic UPASD mask setting |
| * derived from AddTS Rsp and DelTS frame. If a |
| * particular AC bit is set, it means AC is trigger |
| * enabled. |
| */ |
| tANI_U8 gUapsdPerAcTriggerEnableMask; |
| |
| /* Used on STA, dynamic UPASD mask setting |
| * derived from AddTS Rsp and DelTs frame. If |
| * a particular AC bit is set, it means AC is |
| * delivery enabled. |
| */ |
| tANI_U8 gUapsdPerAcDeliveryEnableMask; |
| |
| /* Flag to skip CSA IE processing when CSA |
| * offload is enabled. |
| */ |
| tANI_U8 csaOffloadEnable; |
| |
| /* Used on STA for AC downgrade. This is a dynamic mask |
| * setting which keep tracks of ACs being admitted. |
| * If bit is set to 0: That partiular AC is not admitted |
| * If bit is set to 1: That particular AC is admitted |
| */ |
| tANI_U8 gAcAdmitMask[SIR_MAC_DIRECTION_DIRECT]; |
| |
| /* Power Save Off load Parameters */ |
| tPowersaveoffloadInfo pmmOffloadInfo; |
| |
| /* SMPS mode */ |
| tANI_U8 smpsMode; |
| |
| tANI_U8 chainMask; |
| }tPESession, *tpPESession; |
| |
| #define LIM_MAX_ACTIVE_SESSIONS 4 |
| |
| |
| /*------------------------------------------------------------------------- |
| Function declarations and documenation |
| ------------------------------------------------------------------------*/ |
| |
| |
| /*-------------------------------------------------------------------------- |
| |
| \brief peCreateSession() - creates a new PE session given the BSSID |
| |
| This function returns the session context and the session ID if the session |
| corresponding to the passed BSSID is found in the PE session table. |
| |
| \param pMac - pointer to global adapter context |
| \param bssid - BSSID of the new session |
| \param sessionId -session ID is returned here, if session is created. |
| |
| \return tpPESession - pointer to the session context or NULL if session can not be created. |
| |
| \sa |
| |
| --------------------------------------------------------------------------*/ |
| tpPESession peCreateSession(tpAniSirGlobal pMac, tANI_U8 *bssid , tANI_U8* sessionId, tANI_U16 numSta); |
| |
| |
| /*-------------------------------------------------------------------------- |
| \brief peFindSessionByBssid() - looks up the PE session given the BSSID. |
| |
| This function returns the session context and the session ID if the session |
| corresponding to the given BSSID is found in the PE session table. |
| |
| \param pMac - pointer to global adapter context |
| \param bssid - BSSID of the session |
| \param sessionId -session ID is returned here, if session is found. |
| |
| \return tpPESession - pointer to the session context or NULL if session is not found. |
| |
| \sa |
| --------------------------------------------------------------------------*/ |
| tpPESession peFindSessionByBssid(tpAniSirGlobal pMac, tANI_U8* bssid, tANI_U8* sessionId); |
| |
| |
| |
| /*-------------------------------------------------------------------------- |
| \brief peFindSessionByBssIdx() - looks up the PE session given the bssIdx. |
| |
| This function returns the session context if the session |
| corresponding to the given bssIdx is found in the PE session table. |
| \param pMac - pointer to global adapter context |
| \param bssIdx - bss index of the session |
| \return tpPESession - pointer to the session context or NULL if session is not found. |
| \sa |
| --------------------------------------------------------------------------*/ |
| tpPESession peFindSessionByBssIdx(tpAniSirGlobal pMac, tANI_U8 bssIdx); |
| |
| |
| |
| |
| /*-------------------------------------------------------------------------- |
| \brief peFindSessionByPeerSta() - looks up the PE session given the Peer Station Address. |
| |
| This function returns the session context and the session ID if the session |
| corresponding to the given destination address is found in the PE session table. |
| |
| \param pMac - pointer to global adapter context |
| \param sa - Peer STA Address of the session |
| \param sessionId -session ID is returned here, if session is found. |
| |
| \return tpPESession - pointer to the session context or NULL if session is not found. |
| |
| \sa |
| --------------------------------------------------------------------------*/ |
| tpPESession peFindSessionByPeerSta(tpAniSirGlobal pMac, tANI_U8* sa, tANI_U8* sessionId); |
| |
| /*-------------------------------------------------------------------------- |
| \brief peFindSessionBySessionId() - looks up the PE session given the session ID. |
| |
| This function returns the session context if the session |
| corresponding to the given session ID is found in the PE session table. |
| |
| \param pMac - pointer to global adapter context |
| \param sessionId -session ID for which session context needs to be looked up. |
| |
| \return tpPESession - pointer to the session context or NULL if session is not found. |
| |
| \sa |
| --------------------------------------------------------------------------*/ |
| tpPESession peFindSessionBySessionId(tpAniSirGlobal pMac , tANI_U8 sessionId); |
| |
| /*-------------------------------------------------------------------------- |
| \brief peFindSessionByBssid() - looks up the PE session given staid. |
| |
| This function returns the session context and the session ID if the session |
| corresponding to the given StaId is found in the PE session table. |
| |
| \param pMac - pointer to global adapter context |
| \param staid - StaId of the session |
| \param sessionId - session ID is returned here, if session is found. |
| |
| \return tpPESession - pointer to the session context or NULL if session is not found. |
| |
| --------------------------------------------------------------------------*/ |
| tpPESession peFindSessionByStaId(tpAniSirGlobal pMac, tANI_U8 staid, tANI_U8* sessionId); |
| |
| |
| |
| |
| |
| /*-------------------------------------------------------------------------- |
| \brief peDeleteSession() - deletes the PE session given the session ID. |
| |
| |
| \param pMac - pointer to global adapter context |
| \param sessionId -session ID of the session which needs to be deleted. |
| |
| \sa |
| --------------------------------------------------------------------------*/ |
| void peDeleteSession(tpAniSirGlobal pMac, tpPESession psessionEntry); |
| |
| |
| /*-------------------------------------------------------------------------- |
| \brief peDeleteSession() - Returns the SME session ID and Transaction ID . |
| |
| |
| \param pMac - pointer to global adapter context |
| \param sessionId -session ID of the session which needs to be deleted. |
| |
| \sa |
| --------------------------------------------------------------------------*/ |
| |
| |
| #endif //#if !defined( __LIM_SESSION_H ) |
| |
| |
| |
| |
| |
