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|
/*
** Id: //Department/DaVinci/BRANCHES/MT6620_WIFI_DRIVER_V2_3/mgmt/rlm_obss.c#2
*/
/*! \file "rlm_obss.c"
\brief
*/
/*
** Log: rlm_obss.c
**
** 08 13 2013 terry.wu
** [BORA00002207] [MT6630 Wi-Fi] TXM & MQM Implementation
** Remove unused code
**
** 03 12 2013 terry.wu
** [BORA00002207] [MT6630 Wi-Fi] TXM & MQM Implementation
** Update Tx utility function for management frame
**
** 01 17 2013 cm.chang
** [BORA00002149] [MT6630 Wi-Fi] Initial software development
** Use ucBssIndex to replace eNetworkTypeIndex
**
** 09 17 2012 cm.chang
** [BORA00002149] [MT6630 Wi-Fi] Initial software development
** Duplicate source from MT6620 v2.3 driver branch
** (Davinci label: MT6620_WIFI_Driver_V2_3_120913_1942_As_MT6630_Base)
*
* 07 17 2012 yuche.tsai
* NULL
* Compile no error before trial run.
*
* 11 15 2011 cm.chang
* NULL
* Avoid possible OBSS scan when BSS is switched
*
* 11 08 2011 cm.chang
* NULL
* Add RLM and CNM debug message for XLOG
*
* 10 25 2011 cm.chang
* [WCXRP00001058] [All Wi-Fi][Driver] Fix sta_rec's phyTypeSet and OBSS scan in AP mode
* Regulation class is changed to 81 in 20_40_coexistence action frame
*
* 04 12 2011 cm.chang
* [WCXRP00000634] [MT6620 Wi-Fi][Driver][FW] 2nd BSS will not support 40MHz bandwidth for concurrency
* .
*
* 03 29 2011 cm.chang
* [WCXRP00000606] [MT6620 Wi-Fi][Driver][FW] Fix klocwork warning
* As CR title
*
* 01 24 2011 cm.chang
* [WCXRP00000384] [MT6620 Wi-Fi][Driver][FW] Handle 20/40 action frame
* in AP mode and stop ampdu timer when sta_rec is freed
* Process received 20/40 coexistence action frame for AP mode
*
* 01 13 2011 cm.chang
* [WCXRP00000358] [MT6620 Wi-Fi][Driver] Provide concurrent information for each module
* Refine function when rcv a 20/40M public action frame
*
* 01 13 2011 cm.chang
* [WCXRP00000354] [MT6620 Wi-Fi][Driver][FW] Follow NVRAM bandwidth setting
* Use SCO of BSS_INFO to replace user-defined setting variables
*
* 01 12 2011 cm.chang
* [WCXRP00000354] [MT6620 Wi-Fi][Driver][FW] Follow NVRAM bandwidth setting
* User-defined bandwidth is for 2.4G and 5G individually
*
* 10 18 2010 cp.wu
* [WCXRP00000052] [MT6620 Wi-Fi][Driver] Eliminate Linux Compile Warning
* use definition macro to replace hard-coded constant
*
* 09 16 2010 cm.chang
* NULL
* Change conditional compiling options for BOW
*
* 09 10 2010 cm.chang
* NULL
* Always update Beacon content if FW sync OBSS info
*
* 08 24 2010 cm.chang
* NULL
* Support RLM initail channel of Ad-hoc, P2P and BOW
*
* 08 20 2010 cm.chang
* NULL
* Migrate RLM code to host from FW
*
* 07 26 2010 yuche.tsai
*
* Fix compile error while enabling WiFi Direct function.
*
* 07 21 2010 yuche.tsai
*
* Add P2P Scan & Scan Result Parsing & Saving.
*
* 07 08 2010 cp.wu
*
* [WPD00003833] [MT6620 and MT5931] Driver migration - move to new repository.
*
* 07 08 2010 cm.chang
* [WPD00003841][LITE Driver] Migrate RLM/CNM to host driver
* Check draft RLM code for HT cap
*
* 05 07 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* Process 20/40 coexistence public action frame in AP mode
*
* 05 05 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* First draft support for 20/40M bandwidth for AP mode
*
* 04 24 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* g_aprBssInfo[] depends on CFG_SUPPORT_P2P and CFG_SUPPORT_BOW
*
* 04 13 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* Add more ASSERT to check exception
*
* 04 07 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* Add virtual test for OBSS scan
*
* 03 30 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* Support 2.4G OBSS scan
*
* 03 03 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* To support CFG_SUPPORT_BCM_STP
*
* 02 13 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* Support PCO in STA mode
*
* 02 12 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* Use bss info array for concurrent handle
*
* 02 05 2010 kevin.huang
* [BORA00000603][WIFISYS] [New Feature] AAA Module Support
* Add AAA Module Support, Revise Net Type to Net Type Index for array lookup
*
* 01 25 2010 cm.chang
* [BORA00000018]Integrate WIFI part into BORA for the 1st time
* Support protection and bandwidth switch
*/
/*******************************************************************************
* C O M P I L E R F L A G S
********************************************************************************
*/
/*******************************************************************************
* E X T E R N A L R E F E R E N C E S
********************************************************************************
*/
#include "precomp.h"
/*******************************************************************************
* C O N S T A N T S
********************************************************************************
*/
/*******************************************************************************
* D A T A T Y P E S
********************************************************************************
*/
/*******************************************************************************
* P U B L I C D A T A
********************************************************************************
*/
/*******************************************************************************
* P R I V A T E D A T A
********************************************************************************
*/
/*******************************************************************************
* M A C R O S
********************************************************************************
*/
/*******************************************************************************
* F U N C T I O N D E C L A R A T I O N S
********************************************************************************
*/
static VOID rlmObssScanTimeout(P_ADAPTER_T prAdapter, ULONG ulParamPtr);
/*******************************************************************************
* F U N C T I O N S
********************************************************************************
*/
/*----------------------------------------------------------------------------*/
/*!
* \brief
*
* \param[in]
*
* \return none
*/
/*----------------------------------------------------------------------------*/
VOID rlmObssInit(P_ADAPTER_T prAdapter)
{
P_BSS_INFO_T prBssInfo;
UINT_8 i;
for (i = 0; i < BSS_INFO_NUM; i++) {
prBssInfo = prAdapter->aprBssInfo[i];
cnmTimerInitTimer(prAdapter, &prBssInfo->rObssScanTimer,
(PFN_MGMT_TIMEOUT_FUNC) rlmObssScanTimeout, (ULONG) prBssInfo);
}
}
/*----------------------------------------------------------------------------*/
/*!
* \brief
*
* \param[in]
*
* \return none
*/
/*----------------------------------------------------------------------------*/
BOOLEAN rlmObssUpdateChnlLists(P_ADAPTER_T prAdapter, P_SW_RFB_T prSwRfb)
{
return TRUE;
}
/*----------------------------------------------------------------------------*/
/*!
* \brief
*
* \param[in]
*
* \return none
*/
/*----------------------------------------------------------------------------*/
VOID rlmObssScanDone(P_ADAPTER_T prAdapter, P_MSG_HDR_T prMsgHdr)
{
P_MSG_SCN_SCAN_DONE prScanDoneMsg;
P_BSS_INFO_T prBssInfo;
P_MSDU_INFO_T prMsduInfo;
P_ACTION_20_40_COEXIST_FRAME prTxFrame;
UINT_16 i, u2PayloadLen;
ASSERT(prMsgHdr);
prScanDoneMsg = (P_MSG_SCN_SCAN_DONE) prMsgHdr;
prBssInfo = prAdapter->aprBssInfo[prScanDoneMsg->ucBssIndex];
ASSERT(prBssInfo);
DBGLOG(RLM, INFO, "OBSS Scan Done (NetIdx=%d, Mode=%d)\n",
prScanDoneMsg->ucBssIndex, prBssInfo->eCurrentOPMode);
cnmMemFree(prAdapter, prMsgHdr);
#if CFG_ENABLE_WIFI_DIRECT
/* AP mode */
if ((prAdapter->fgIsP2PRegistered) &&
(IS_NET_ACTIVE(prAdapter, prBssInfo->ucBssIndex)) && (prBssInfo->eCurrentOPMode == OP_MODE_ACCESS_POINT)) {
return;
}
#endif
/* STA mode */
if (prBssInfo->eCurrentOPMode != OP_MODE_INFRASTRUCTURE ||
!RLM_NET_PARAM_VALID(prBssInfo) || prBssInfo->u2ObssScanInterval == 0) {
DBGLOG(RLM, WARN, "OBSS Scan Done (NetIdx=%d) -- Aborted!!\n", prBssInfo->ucBssIndex);
return;
}
/* To do: check 2.4G channel list to decide if obss mgmt should be
* sent to associated AP. Note: how to handle concurrent network?
* To do: invoke rlmObssChnlLevel() to decide if 20/40 BSS coexistence
* management frame is needed.
*/
if (prBssInfo->auc2G_20mReqChnlList[0] > 0 || prBssInfo->auc2G_NonHtChnlList[0] > 0) {
DBGLOG(RLM, INFO, "Send 20/40 coexistence mgmt(20mReq=%d, NonHt=%d)\n",
prBssInfo->auc2G_20mReqChnlList[0], prBssInfo->auc2G_NonHtChnlList[0]);
prMsduInfo = (P_MSDU_INFO_T) cnmMgtPktAlloc(prAdapter, MAC_TX_RESERVED_FIELD + PUBLIC_ACTION_MAX_LEN);
if (prMsduInfo) {
prTxFrame = (P_ACTION_20_40_COEXIST_FRAME)
((ULONG) (prMsduInfo->prPacket) + MAC_TX_RESERVED_FIELD);
prTxFrame->u2FrameCtrl = MAC_FRAME_ACTION;
COPY_MAC_ADDR(prTxFrame->aucDestAddr, prBssInfo->aucBSSID);
COPY_MAC_ADDR(prTxFrame->aucSrcAddr, prBssInfo->aucOwnMacAddr);
COPY_MAC_ADDR(prTxFrame->aucBSSID, prBssInfo->aucBSSID);
prTxFrame->ucCategory = CATEGORY_PUBLIC_ACTION;
prTxFrame->ucAction = ACTION_PUBLIC_20_40_COEXIST;
/* To do: find correct algorithm */
prTxFrame->rBssCoexist.ucId = ELEM_ID_20_40_BSS_COEXISTENCE;
prTxFrame->rBssCoexist.ucLength = 1;
prTxFrame->rBssCoexist.ucData =
(prBssInfo->auc2G_20mReqChnlList[0] > 0) ? BSS_COEXIST_20M_REQ : 0;
u2PayloadLen = 2 + 3;
if (prBssInfo->auc2G_NonHtChnlList[0] > 0) {
ASSERT(prBssInfo->auc2G_NonHtChnlList[0] <= CHNL_LIST_SZ_2G);
prTxFrame->rChnlReport.ucId = ELEM_ID_20_40_INTOLERANT_CHNL_REPORT;
prTxFrame->rChnlReport.ucLength = prBssInfo->auc2G_NonHtChnlList[0] + 1;
prTxFrame->rChnlReport.ucRegulatoryClass = 81; /* 2.4GHz, ch1~13 */
for (i = 0; i < prBssInfo->auc2G_NonHtChnlList[0] && i < CHNL_LIST_SZ_2G; i++)
prTxFrame->rChnlReport.aucChannelList[i] =
prBssInfo->auc2G_NonHtChnlList[i + 1];
u2PayloadLen += IE_SIZE(&prTxFrame->rChnlReport);
}
ASSERT((WLAN_MAC_HEADER_LEN + u2PayloadLen) <= PUBLIC_ACTION_MAX_LEN);
/* Clear up channel lists in 2.4G band */
prBssInfo->auc2G_20mReqChnlList[0] = 0;
prBssInfo->auc2G_NonHtChnlList[0] = 0;
/* 4 Update information of MSDU_INFO_T */
TX_SET_MMPDU(prAdapter,
prMsduInfo,
prBssInfo->ucBssIndex,
prBssInfo->prStaRecOfAP->ucIndex,
WLAN_MAC_MGMT_HEADER_LEN,
WLAN_MAC_MGMT_HEADER_LEN + u2PayloadLen, NULL, MSDU_RATE_MODE_AUTO);
/* 4 Enqueue the frame to send this action frame. */
nicTxEnqueueMsdu(prAdapter, prMsduInfo);
}
}
/* end of prMsduInfo != NULL */
if (prBssInfo->u2ObssScanInterval > 0) {
DBGLOG(RLM, INFO, "Set OBSS timer (NetIdx=%d, %d sec)\n",
prBssInfo->ucBssIndex, prBssInfo->u2ObssScanInterval);
cnmTimerStartTimer(prAdapter, &prBssInfo->rObssScanTimer, prBssInfo->u2ObssScanInterval * MSEC_PER_SEC);
}
}
/*----------------------------------------------------------------------------*/
/*!
* \brief
*
* \param[in]
*
* \return none
*/
/*----------------------------------------------------------------------------*/
static VOID rlmObssScanTimeout(P_ADAPTER_T prAdapter, ULONG ulParamPtr)
{
P_BSS_INFO_T prBssInfo;
prBssInfo = (P_BSS_INFO_T) ulParamPtr;
ASSERT(prBssInfo);
#if CFG_ENABLE_WIFI_DIRECT
/* AP mode */
if (prAdapter->fgIsP2PRegistered &&
(IS_NET_ACTIVE(prAdapter, prBssInfo->ucBssIndex)) && (prBssInfo->eCurrentOPMode == OP_MODE_ACCESS_POINT)) {
prBssInfo->fgObssActionForcedTo20M = FALSE;
/* Check if Beacon content need to be updated */
rlmUpdateParamsForAP(prAdapter, prBssInfo, FALSE);
return;
}
#if CFG_SUPPORT_WFD
/* WFD streaming */
else {
P_WFD_CFG_SETTINGS_T prWfdCfgSettings = &prAdapter->rWifiVar.rWfdConfigureSettings;
/* If WFD is enabled & connected */
if (prWfdCfgSettings->ucWfdEnable) {
/* Skip OBSS scan */
prBssInfo->u2ObssScanInterval = 0;
DBGLOG(RLM, INFO, "WFD is running. Stop OBSS scan.\n");
return;
} /* WFD is enabled */
}
#endif
#endif /* end of CFG_ENABLE_WIFI_DIRECT */
/* STA mode */
if (prBssInfo->eCurrentOPMode != OP_MODE_INFRASTRUCTURE ||
!RLM_NET_PARAM_VALID(prBssInfo) || prBssInfo->u2ObssScanInterval == 0) {
DBGLOG(RLM, WARN, "OBSS Scan timeout (NetIdx=%d) -- Aborted!!\n", prBssInfo->ucBssIndex);
return;
}
rlmObssTriggerScan(prAdapter, prBssInfo);
}
/*----------------------------------------------------------------------------*/
/*!
* \brief
*
* \param[in]
*
* \return none
*/
/*----------------------------------------------------------------------------*/
VOID rlmObssTriggerScan(P_ADAPTER_T prAdapter, P_BSS_INFO_T prBssInfo)
{
P_MSG_SCN_SCAN_REQ prScanReqMsg;
ASSERT(prBssInfo);
prScanReqMsg = (P_MSG_SCN_SCAN_REQ)
cnmMemAlloc(prAdapter, RAM_TYPE_MSG, sizeof(MSG_SCN_SCAN_REQ));
ASSERT(prScanReqMsg);
if (!prScanReqMsg) {
DBGLOG(RLM, WARN, "No buf for OBSS scan (NetIdx=%d)!!\n", prBssInfo->ucBssIndex);
cnmTimerStartTimer(prAdapter, &prBssInfo->rObssScanTimer, prBssInfo->u2ObssScanInterval * MSEC_PER_SEC);
return;
}
/* It is ok that ucSeqNum is set to fixed value because the same network
* OBSS scan interval is limited to OBSS_SCAN_MIN_INTERVAL (min 10 sec)
* and scan module don't care seqNum of OBSS scanning
*/
prScanReqMsg->rMsgHdr.eMsgId = MID_RLM_SCN_SCAN_REQ;
prScanReqMsg->ucSeqNum = 0x33;
prScanReqMsg->ucBssIndex = prBssInfo->ucBssIndex;
prScanReqMsg->eScanType = SCAN_TYPE_ACTIVE_SCAN;
prScanReqMsg->ucSSIDType = SCAN_REQ_SSID_WILDCARD;
prScanReqMsg->ucSSIDLength = 0;
prScanReqMsg->eScanChannel = SCAN_CHANNEL_2G4;
prScanReqMsg->u2IELen = 0;
mboxSendMsg(prAdapter, MBOX_ID_0, (P_MSG_HDR_T) prScanReqMsg, MSG_SEND_METHOD_BUF);
DBGLOG(RLM, INFO, "Timeout to trigger OBSS scan (NetIdx=%d)!!\n", prBssInfo->ucBssIndex);
}
|
