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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /drivers/staging/rt3090/sta/sync.c | |
parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/staging/rt3090/sta/sync.c')
-rw-r--r-- | drivers/staging/rt3090/sta/sync.c | 1840 |
1 files changed, 1840 insertions, 0 deletions
diff --git a/drivers/staging/rt3090/sta/sync.c b/drivers/staging/rt3090/sta/sync.c new file mode 100644 index 0000000..2520e03 --- /dev/null +++ b/drivers/staging/rt3090/sta/sync.c @@ -0,0 +1,1840 @@ +/* + ************************************************************************* + * Ralink Tech Inc. + * 5F., No.36, Taiyuan St., Jhubei City, + * Hsinchu County 302, + * Taiwan, R.O.C. + * + * (c) Copyright 2002-2007, Ralink Technology, Inc. + * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * * + ************************************************************************* + + Module Name: + sync.c + + Abstract: + + Revision History: + Who When What + -------- ---------- ---------------------------------------------- + John Chang 2004-09-01 modified for rt2561/2661 + Jan Lee 2006-08-01 modified for rt2860 for 802.11n +*/ + +#include "../rt_config.h" + + +#define ADHOC_ENTRY_BEACON_LOST_TIME (2*OS_HZ) // 2 sec + +/* + ========================================================================== + Description: + The sync state machine, + Parameters: + Sm - pointer to the state machine + Note: + the state machine looks like the following + + ========================================================================== + */ +VOID SyncStateMachineInit( + IN PRTMP_ADAPTER pAd, + IN STATE_MACHINE *Sm, + OUT STATE_MACHINE_FUNC Trans[]) +{ + StateMachineInit(Sm, Trans, MAX_SYNC_STATE, MAX_SYNC_MSG, (STATE_MACHINE_FUNC)Drop, SYNC_IDLE, SYNC_MACHINE_BASE); + + // column 1 + StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)MlmeScanReqAction); + StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)MlmeJoinReqAction); + StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)MlmeStartReqAction); + StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeacon); + StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_PROBE_REQ, (STATE_MACHINE_FUNC)PeerProbeReqAction); + + //column 2 + StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan); + StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin); + StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart); + StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtJoinAction); + StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_BEACON_TIMEOUT, (STATE_MACHINE_FUNC)BeaconTimeoutAtJoinAction); + + // column 3 + StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan); + StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin); + StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart); + StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction); + StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_PROBE_RSP, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction); + StateMachineSetAction(Sm, SCAN_LISTEN, MT2_SCAN_TIMEOUT, (STATE_MACHINE_FUNC)ScanTimeoutAction); + + // timer init + RTMPInitTimer(pAd, &pAd->MlmeAux.BeaconTimer, GET_TIMER_FUNCTION(BeaconTimeout), pAd, FALSE); + RTMPInitTimer(pAd, &pAd->MlmeAux.ScanTimer, GET_TIMER_FUNCTION(ScanTimeout), pAd, FALSE); +} + +/* + ========================================================================== + Description: + Beacon timeout handler, executed in timer thread + + IRQL = DISPATCH_LEVEL + + ========================================================================== + */ +VOID BeaconTimeout( + IN PVOID SystemSpecific1, + IN PVOID FunctionContext, + IN PVOID SystemSpecific2, + IN PVOID SystemSpecific3) +{ + RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext; + + DBGPRINT(RT_DEBUG_TRACE,("SYNC - BeaconTimeout\n")); + + // Do nothing if the driver is starting halt state. + // This might happen when timer already been fired before cancel timer with mlmehalt + if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS)) + return; + +#ifdef DOT11_N_SUPPORT + if ((pAd->CommonCfg.BBPCurrentBW == BW_40) + ) + { + UCHAR BBPValue = 0; + AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE); + AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel); + RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue); + BBPValue &= (~0x18); + BBPValue |= 0x10; + RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue); + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr)); + } +#endif // DOT11_N_SUPPORT // + + MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_BEACON_TIMEOUT, 0, NULL); + RTMP_MLME_HANDLER(pAd); +} + +/* + ========================================================================== + Description: + Scan timeout handler, executed in timer thread + + IRQL = DISPATCH_LEVEL + + ========================================================================== + */ +VOID ScanTimeout( + IN PVOID SystemSpecific1, + IN PVOID FunctionContext, + IN PVOID SystemSpecific2, + IN PVOID SystemSpecific3) +{ + RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext; + + + // Do nothing if the driver is starting halt state. + // This might happen when timer already been fired before cancel timer with mlmehalt + if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS)) + return; + + if (MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_SCAN_TIMEOUT, 0, NULL)) + { + RTMP_MLME_HANDLER(pAd); +} + else + { + // To prevent SyncMachine.CurrState is SCAN_LISTEN forever. + pAd->MlmeAux.Channel = 0; + ScanNextChannel(pAd); + if (pAd->CommonCfg.bWirelessEvent) + { + RTMPSendWirelessEvent(pAd, IW_SCAN_ENQUEUE_FAIL_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0); + } + } +} + +/* + ========================================================================== + Description: + MLME SCAN req state machine procedure + ========================================================================== + */ +VOID MlmeScanReqAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, ScanType, BssType, BBPValue = 0; + BOOLEAN TimerCancelled; + ULONG Now; + USHORT Status; + PHEADER_802_11 pHdr80211; + PUCHAR pOutBuffer = NULL; + NDIS_STATUS NStatus; + + // Check the total scan tries for one single OID command + // If this is the CCX 2.0 Case, skip that! + if ( !RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_START_UP)) + { + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeScanReqAction before Startup\n")); + return; + } + + // Increase the scan retry counters. + pAd->StaCfg.ScanCnt++; + +#ifdef RTMP_MAC_PCI + if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) && + (IDLE_ON(pAd)) && + (pAd->StaCfg.bRadio == TRUE) && + (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))) + { + if (pAd->StaCfg.PSControl.field.EnableNewPS == FALSE) + { + AsicSendCommandToMcu(pAd, 0x31, PowerWakeCID, 0x00, 0x02); + AsicCheckCommanOk(pAd, PowerWakeCID); + RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF); + DBGPRINT(RT_DEBUG_TRACE, ("PSM - Issue Wake up command \n")); + } + else + { + RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE); + } + } +#endif // RTMP_MAC_PCI // + + // first check the parameter sanity + if (MlmeScanReqSanity(pAd, + Elem->Msg, + Elem->MsgLen, + &BssType, + (PCHAR)Ssid, + &SsidLen, + &ScanType)) + { + + // Check for channel load and noise hist request + // Suspend MSDU only at scan request, not the last two mentioned + // Suspend MSDU transmission here + RTMPSuspendMsduTransmission(pAd); + + // + // To prevent data lost. + // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress. + // And should send an NULL data with turned PSM bit off to AP, when scan progress done + // + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd))) + { + NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); + if (NStatus == NDIS_STATUS_SUCCESS) + { + pHdr80211 = (PHEADER_802_11) pOutBuffer; + MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid); + pHdr80211->Duration = 0; + pHdr80211->FC.Type = BTYPE_DATA; + pHdr80211->FC.PwrMgmt = PWR_SAVE; + + // Send using priority queue + MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11)); + DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame for off channel RM\n")); + MlmeFreeMemory(pAd, pOutBuffer); + RTMPusecDelay(5000); + } + } + + NdisGetSystemUpTime(&Now); + pAd->StaCfg.LastScanTime = Now; + // reset all the timers + RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled); + RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled); + + // record desired BSS parameters + pAd->MlmeAux.BssType = BssType; + pAd->MlmeAux.ScanType = ScanType; + pAd->MlmeAux.SsidLen = SsidLen; + NdisZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID); + NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen); + + // start from the first channel + pAd->MlmeAux.Channel = FirstChannel(pAd); + + // Let BBP register at 20MHz to do scan + RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue); + BBPValue &= (~0x18); + RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue); + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n")); + ScanNextChannel(pAd); + } + else + { + DBGPRINT_ERR(("SYNC - MlmeScanReqAction() sanity check fail\n")); + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_INVALID_FORMAT; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status); + } +} + +/* + ========================================================================== + Description: + MLME JOIN req state machine procedure + ========================================================================== + */ +VOID MlmeJoinReqAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + UCHAR BBPValue = 0; + BSS_ENTRY *pBss; + BOOLEAN TimerCancelled; + HEADER_802_11 Hdr80211; + NDIS_STATUS NStatus; + ULONG FrameLen = 0; + PUCHAR pOutBuffer = NULL; + PUCHAR pSupRate = NULL; + UCHAR SupRateLen; + PUCHAR pExtRate = NULL; + UCHAR ExtRateLen; + UCHAR ASupRate[] = {0x8C, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6C}; + UCHAR ASupRateLen = sizeof(ASupRate)/sizeof(UCHAR); + MLME_JOIN_REQ_STRUCT *pInfo = (MLME_JOIN_REQ_STRUCT *)(Elem->Msg); + + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeJoinReqAction(BSS #%ld)\n", pInfo->BssIdx)); + +#ifdef RTMP_MAC_PCI + if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) && + (IDLE_ON(pAd)) && + (pAd->StaCfg.bRadio == TRUE) && + (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))) + { + RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE); + } +#endif // RTMP_MAC_PCI // + + // reset all the timers + RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled); + RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled); + + pBss = &pAd->MlmeAux.SsidBssTab.BssEntry[pInfo->BssIdx]; + + // record the desired SSID & BSSID we're waiting for + COPY_MAC_ADDR(pAd->MlmeAux.Bssid, pBss->Bssid); + + // If AP's SSID is not hidden, it is OK for updating ssid to MlmeAux again. + if (pBss->Hidden == 0) + { + RTMPZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID); + NdisMoveMemory(pAd->MlmeAux.Ssid, pBss->Ssid, pBss->SsidLen); + pAd->MlmeAux.SsidLen = pBss->SsidLen; + } + + pAd->MlmeAux.BssType = pBss->BssType; + pAd->MlmeAux.Channel = pBss->Channel; + pAd->MlmeAux.CentralChannel = pBss->CentralChannel; + +#ifdef EXT_BUILD_CHANNEL_LIST + // Country IE of the AP will be evaluated and will be used. + if ((pAd->StaCfg.IEEE80211dClientMode != Rt802_11_D_None) && + (pBss->bHasCountryIE == TRUE)) + { + NdisMoveMemory(&pAd->CommonCfg.CountryCode[0], &pBss->CountryString[0], 2); + if (pBss->CountryString[2] == 'I') + pAd->CommonCfg.Geography = IDOR; + else if (pBss->CountryString[2] == 'O') + pAd->CommonCfg.Geography = ODOR; + else + pAd->CommonCfg.Geography = BOTH; + BuildChannelListEx(pAd); + } +#endif // EXT_BUILD_CHANNEL_LIST // + + // Let BBP register at 20MHz to do scan + RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue); + BBPValue &= (~0x18); + RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue); + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n")); + + // switch channel and waiting for beacon timer + AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE); + AsicLockChannel(pAd, pAd->MlmeAux.Channel); + + + RTMPSetTimer(&pAd->MlmeAux.BeaconTimer, JOIN_TIMEOUT); + + do + { + if (((pAd->CommonCfg.bIEEE80211H == 1) && + (pAd->MlmeAux.Channel > 14) && + RadarChannelCheck(pAd, pAd->MlmeAux.Channel)) +#ifdef CARRIER_DETECTION_SUPPORT // Roger sync Carrier + || (pAd->CommonCfg.CarrierDetect.Enable == TRUE) +#endif // CARRIER_DETECTION_SUPPORT // + ) + { + // + // We can't send any Probe request frame to meet 802.11h. + // + if (pBss->Hidden == 0) + break; + } + + // + // send probe request + // + NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); + if (NStatus == NDIS_STATUS_SUCCESS) + { + if (pAd->MlmeAux.Channel <= 14) + { + pSupRate = pAd->CommonCfg.SupRate; + SupRateLen = pAd->CommonCfg.SupRateLen; + pExtRate = pAd->CommonCfg.ExtRate; + ExtRateLen = pAd->CommonCfg.ExtRateLen; + } + else + { + // + // Overwrite Support Rate, CCK rate are not allowed + // + pSupRate = ASupRate; + SupRateLen = ASupRateLen; + ExtRateLen = 0; + } + + if (pAd->MlmeAux.BssType == BSS_INFRA) + MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, pAd->MlmeAux.Bssid, pAd->MlmeAux.Bssid); + else + MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR); + + MakeOutgoingFrame(pOutBuffer, &FrameLen, + sizeof(HEADER_802_11), &Hdr80211, + 1, &SsidIe, + 1, &pAd->MlmeAux.SsidLen, + pAd->MlmeAux.SsidLen, pAd->MlmeAux.Ssid, + 1, &SupRateIe, + 1, &SupRateLen, + SupRateLen, pSupRate, + END_OF_ARGS); + + if (ExtRateLen) + { + ULONG Tmp; + MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp, + 1, &ExtRateIe, + 1, &ExtRateLen, + ExtRateLen, pExtRate, + END_OF_ARGS); + FrameLen += Tmp; + } + + + MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen); + MlmeFreeMemory(pAd, pOutBuffer); + } + } while (FALSE); + + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - Switch to ch %d, Wait BEACON from %02x:%02x:%02x:%02x:%02x:%02x\n", + pBss->Channel, pBss->Bssid[0], pBss->Bssid[1], pBss->Bssid[2], pBss->Bssid[3], pBss->Bssid[4], pBss->Bssid[5])); + + pAd->Mlme.SyncMachine.CurrState = JOIN_WAIT_BEACON; +} + +/* + ========================================================================== + Description: + MLME START Request state machine procedure, starting an IBSS + ========================================================================== + */ +VOID MlmeStartReqAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen; + BOOLEAN TimerCancelled; + + // New for WPA security suites + UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5 + NDIS_802_11_VARIABLE_IEs *pVIE = NULL; + LARGE_INTEGER TimeStamp; + BOOLEAN Privacy; + USHORT Status; + + // Init Variable IE structure + pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE; + pVIE->Length = 0; + TimeStamp.u.LowPart = 0; + TimeStamp.u.HighPart = 0; + + if (MlmeStartReqSanity(pAd, Elem->Msg, Elem->MsgLen, (PCHAR)Ssid, &SsidLen)) + { + // reset all the timers + RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled); + RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled); + + // + // Start a new IBSS. All IBSS parameters are decided now.... + // + DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - Start a new IBSS. All IBSS parameters are decided now.... \n")); + pAd->MlmeAux.BssType = BSS_ADHOC; + NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen); + pAd->MlmeAux.SsidLen = SsidLen; + + // generate a radom number as BSSID + MacAddrRandomBssid(pAd, pAd->MlmeAux.Bssid); + DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - generate a radom number as BSSID \n")); + + Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) || + (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) || + (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled); + pAd->MlmeAux.CapabilityInfo = CAP_GENERATE(0,1,Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 1, 0); + pAd->MlmeAux.BeaconPeriod = pAd->CommonCfg.BeaconPeriod; + pAd->MlmeAux.AtimWin = pAd->StaCfg.AtimWin; + pAd->MlmeAux.Channel = pAd->CommonCfg.Channel; + + pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel; + pAd->MlmeAux.CentralChannel = pAd->CommonCfg.CentralChannel; + + pAd->MlmeAux.SupRateLen= pAd->CommonCfg.SupRateLen; + NdisMoveMemory(pAd->MlmeAux.SupRate, pAd->CommonCfg.SupRate, MAX_LEN_OF_SUPPORTED_RATES); + RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen); + pAd->MlmeAux.ExtRateLen = pAd->CommonCfg.ExtRateLen; + NdisMoveMemory(pAd->MlmeAux.ExtRate, pAd->CommonCfg.ExtRate, MAX_LEN_OF_SUPPORTED_RATES); + RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen); +#ifdef DOT11_N_SUPPORT + if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) + { + RTMPUpdateHTIE(&pAd->CommonCfg.DesiredHtPhy, &pAd->StaCfg.DesiredHtPhyInfo.MCSSet[0], &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo); + pAd->MlmeAux.HtCapabilityLen = sizeof(HT_CAPABILITY_IE); + // Not turn pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE here. + DBGPRINT(RT_DEBUG_TRACE, ("SYNC -pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE\n")); + } + else +#endif // DOT11_N_SUPPORT // + { + pAd->MlmeAux.HtCapabilityLen = 0; + pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE; + NdisZeroMemory(&pAd->StaActive.SupportedPhyInfo.MCSSet[0], 16); + } + // temporarily not support QOS in IBSS + NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM)); + NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM)); + NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM)); + + AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE); + AsicLockChannel(pAd, pAd->MlmeAux.Channel); + + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeStartReqAction(ch= %d,sup rates= %d, ext rates=%d)\n", + pAd->MlmeAux.Channel, pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen)); + + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_SUCCESS; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status); + } + else + { + DBGPRINT_ERR(("SYNC - MlmeStartReqAction() sanity check fail.\n")); + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_INVALID_FORMAT; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status); + } +} + +/* + ========================================================================== + Description: + peer sends beacon back when scanning + ========================================================================== + */ +VOID PeerBeaconAtScanAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN]; + UCHAR Ssid[MAX_LEN_OF_SSID], BssType, Channel, NewChannel, + SsidLen, DtimCount, DtimPeriod, BcastFlag, MessageToMe; + CF_PARM CfParm; + USHORT BeaconPeriod, AtimWin, CapabilityInfo; + PFRAME_802_11 pFrame; + LARGE_INTEGER TimeStamp; + UCHAR Erp; + UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES]; + UCHAR SupRateLen, ExtRateLen; + USHORT LenVIE; + UCHAR CkipFlag; + UCHAR AironetCellPowerLimit; + EDCA_PARM EdcaParm; + QBSS_LOAD_PARM QbssLoad; + QOS_CAPABILITY_PARM QosCapability; + ULONG RalinkIe; + UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5 + NDIS_802_11_VARIABLE_IEs *pVIE = NULL; + HT_CAPABILITY_IE HtCapability; + ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE + UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0; + UCHAR AddHtInfoLen; + UCHAR NewExtChannelOffset = 0xff; + + + // NdisFillMemory(Ssid, MAX_LEN_OF_SSID, 0x00); + pFrame = (PFRAME_802_11) Elem->Msg; + // Init Variable IE structure + pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE; + pVIE->Length = 0; +#ifdef DOT11_N_SUPPORT + RTMPZeroMemory(&HtCapability, sizeof(HtCapability)); + RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE)); +#endif // DOT11_N_SUPPORT // + + if (PeerBeaconAndProbeRspSanity(pAd, + Elem->Msg, + Elem->MsgLen, + Elem->Channel, + Addr2, + Bssid, + (PCHAR)Ssid, + &SsidLen, + &BssType, + &BeaconPeriod, + &Channel, + &NewChannel, + &TimeStamp, + &CfParm, + &AtimWin, + &CapabilityInfo, + &Erp, + &DtimCount, + &DtimPeriod, + &BcastFlag, + &MessageToMe, + SupRate, + &SupRateLen, + ExtRate, + &ExtRateLen, + &CkipFlag, + &AironetCellPowerLimit, + &EdcaParm, + &QbssLoad, + &QosCapability, + &RalinkIe, + &HtCapabilityLen, + &PreNHtCapabilityLen, + &HtCapability, + &AddHtInfoLen, + &AddHtInfo, + &NewExtChannelOffset, + &LenVIE, + pVIE)) + { + ULONG Idx; + CHAR Rssi = 0; + + Idx = BssTableSearch(&pAd->ScanTab, Bssid, Channel); + if (Idx != BSS_NOT_FOUND) + Rssi = pAd->ScanTab.BssEntry[Idx].Rssi; + + Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2)); + + +#ifdef DOT11_N_SUPPORT + if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) + HtCapabilityLen = SIZE_HT_CAP_IE; +#endif // DOT11_N_SUPPORT // + + Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, (PCHAR)Ssid, SsidLen, BssType, BeaconPeriod, + &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability, + &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag, + &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE); +#ifdef DOT11_N_SUPPORT +#ifdef DOT11N_DRAFT3 + if (pAd->ChannelList[pAd->CommonCfg.ChannelListIdx].bEffectedChannel == TRUE) + { + UCHAR RegClass; + PeerBeaconAndProbeRspSanity2(pAd, Elem->Msg, Elem->MsgLen, &RegClass); + TriEventTableSetEntry(pAd, &pAd->CommonCfg.TriggerEventTab, Bssid, &HtCapability, HtCapabilityLen, RegClass, Channel); + } +#endif // DOT11N_DRAFT3 // +#endif // DOT11_N_SUPPORT // + if (Idx != BSS_NOT_FOUND) + { + NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4); + NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4); + NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4); + } + + } + // sanity check fail, ignored +} + +/* + ========================================================================== + Description: + When waiting joining the (I)BSS, beacon received from external + ========================================================================== + */ +VOID PeerBeaconAtJoinAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN]; + UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, BssType, Channel, MessageToMe, + DtimCount, DtimPeriod, BcastFlag, NewChannel; + LARGE_INTEGER TimeStamp; + USHORT BeaconPeriod, AtimWin, CapabilityInfo; + CF_PARM Cf; + BOOLEAN TimerCancelled; + UCHAR Erp; + UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES]; + UCHAR SupRateLen, ExtRateLen; + UCHAR CkipFlag; + USHORT LenVIE; + UCHAR AironetCellPowerLimit; + EDCA_PARM EdcaParm; + QBSS_LOAD_PARM QbssLoad; + QOS_CAPABILITY_PARM QosCapability; + USHORT Status; + UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5 + NDIS_802_11_VARIABLE_IEs *pVIE = NULL; + ULONG RalinkIe; + ULONG Idx; + HT_CAPABILITY_IE HtCapability; + ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE + UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0; + UCHAR AddHtInfoLen; + UCHAR NewExtChannelOffset = 0xff; +#ifdef DOT11_N_SUPPORT + UCHAR CentralChannel; + BOOLEAN bAllowNrate = FALSE; +#endif // DOT11_N_SUPPORT // + + // Init Variable IE structure + pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE; + pVIE->Length = 0; + RTMPZeroMemory(&HtCapability, sizeof(HtCapability)); + RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE)); + + + if (PeerBeaconAndProbeRspSanity(pAd, + Elem->Msg, + Elem->MsgLen, + Elem->Channel, + Addr2, + Bssid, + (PCHAR)Ssid, + &SsidLen, + &BssType, + &BeaconPeriod, + &Channel, + &NewChannel, + &TimeStamp, + &Cf, + &AtimWin, + &CapabilityInfo, + &Erp, + &DtimCount, + &DtimPeriod, + &BcastFlag, + &MessageToMe, + SupRate, + &SupRateLen, + ExtRate, + &ExtRateLen, + &CkipFlag, + &AironetCellPowerLimit, + &EdcaParm, + &QbssLoad, + &QosCapability, + &RalinkIe, + &HtCapabilityLen, + &PreNHtCapabilityLen, + &HtCapability, + &AddHtInfoLen, + &AddHtInfo, + &NewExtChannelOffset, + &LenVIE, + pVIE)) + { + // Disqualify 11b only adhoc when we are in 11g only adhoc mode + if ((BssType == BSS_ADHOC) && (pAd->CommonCfg.PhyMode == PHY_11G) && ((SupRateLen+ExtRateLen)< 12)) + return; + + // BEACON from desired BSS/IBSS found. We should be able to decide most + // BSS parameters here. + // Q. But what happen if this JOIN doesn't conclude a successful ASSOCIATEION? + // Do we need to receover back all parameters belonging to previous BSS? + // A. Should be not. There's no back-door recover to previous AP. It still need + // a new JOIN-AUTH-ASSOC sequence. + if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Bssid)) + { + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - receive desired BEACON at JoinWaitBeacon... Channel = %d\n", Channel)); + RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled); + + // Update RSSI to prevent No signal display when cards first initialized + pAd->StaCfg.RssiSample.LastRssi0 = ConvertToRssi(pAd, Elem->Rssi0, RSSI_0); + pAd->StaCfg.RssiSample.LastRssi1 = ConvertToRssi(pAd, Elem->Rssi1, RSSI_1); + pAd->StaCfg.RssiSample.LastRssi2 = ConvertToRssi(pAd, Elem->Rssi2, RSSI_2); + pAd->StaCfg.RssiSample.AvgRssi0 = pAd->StaCfg.RssiSample.LastRssi0; + pAd->StaCfg.RssiSample.AvgRssi0X8 = pAd->StaCfg.RssiSample.AvgRssi0 << 3; + pAd->StaCfg.RssiSample.AvgRssi1 = pAd->StaCfg.RssiSample.LastRssi1; + pAd->StaCfg.RssiSample.AvgRssi1X8 = pAd->StaCfg.RssiSample.AvgRssi1 << 3; + pAd->StaCfg.RssiSample.AvgRssi2 = pAd->StaCfg.RssiSample.LastRssi2; + pAd->StaCfg.RssiSample.AvgRssi2X8 = pAd->StaCfg.RssiSample.AvgRssi2 << 3; + + // + // We need to check if SSID only set to any, then we can record the current SSID. + // Otherwise will cause hidden SSID association failed. + // + if (pAd->MlmeAux.SsidLen == 0) + { + NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen); + pAd->MlmeAux.SsidLen = SsidLen; + } + else + { + Idx = BssSsidTableSearch(&pAd->ScanTab, Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, Channel); + + if (Idx == BSS_NOT_FOUND) + { + CHAR Rssi = 0; + Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2)); + Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, (CHAR *) Ssid, SsidLen, BssType, BeaconPeriod, + &Cf, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability, + &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag, + &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE); + if (Idx != BSS_NOT_FOUND) + { + NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4); + NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4); + NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4); + CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo; + } + } + else + { + // + // Multiple SSID case, used correct CapabilityInfo + // + CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo; + } + } + NdisMoveMemory(pAd->MlmeAux.Bssid, Bssid, MAC_ADDR_LEN); + pAd->MlmeAux.CapabilityInfo = CapabilityInfo & SUPPORTED_CAPABILITY_INFO; + pAd->MlmeAux.BssType = BssType; + pAd->MlmeAux.BeaconPeriod = BeaconPeriod; + pAd->MlmeAux.Channel = Channel; + pAd->MlmeAux.AtimWin = AtimWin; + pAd->MlmeAux.CfpPeriod = Cf.CfpPeriod; + pAd->MlmeAux.CfpMaxDuration = Cf.CfpMaxDuration; + pAd->MlmeAux.APRalinkIe = RalinkIe; + + // Copy AP's supported rate to MlmeAux for creating assoication request + // Also filter out not supported rate + pAd->MlmeAux.SupRateLen = SupRateLen; + NdisMoveMemory(pAd->MlmeAux.SupRate, SupRate, SupRateLen); + RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen); + pAd->MlmeAux.ExtRateLen = ExtRateLen; + NdisMoveMemory(pAd->MlmeAux.ExtRate, ExtRate, ExtRateLen); + RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen); + + NdisZeroMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, 16); + + +#ifdef DOT11_N_SUPPORT + if (((pAd->StaCfg.WepStatus != Ndis802_11WEPEnabled) && (pAd->StaCfg.WepStatus != Ndis802_11Encryption2Enabled)) + || (pAd->CommonCfg.HT_DisallowTKIP == FALSE)) + { + bAllowNrate = TRUE; + } + + pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset; + pAd->MlmeAux.HtCapabilityLen = HtCapabilityLen; + + RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE); + // filter out un-supported ht rates + if (((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) && + ((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) && (bAllowNrate))) + { + RTMPMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, SIZE_ADD_HT_INFO_IE); + + // StaActive.SupportedHtPhy.MCSSet stores Peer AP's 11n Rx capability + NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16); + pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset; + pAd->MlmeAux.HtCapabilityLen = SIZE_HT_CAP_IE; + pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE; + if (PreNHtCapabilityLen > 0) + pAd->StaActive.SupportedPhyInfo.bPreNHt = TRUE; + RTMPCheckHt(pAd, BSSID_WCID, &HtCapability, &AddHtInfo); + // Copy AP Parameter to StaActive. This is also in LinkUp. + DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction! (MpduDensity=%d, MaxRAmpduFactor=%d, BW=%d)\n", + pAd->StaActive.SupportedHtPhy.MpduDensity, pAd->StaActive.SupportedHtPhy.MaxRAmpduFactor, HtCapability.HtCapInfo.ChannelWidth)); + + if (AddHtInfoLen > 0) + { + CentralChannel = AddHtInfo.ControlChan; + // Check again the Bandwidth capability of this AP. + if ((AddHtInfo.ControlChan > 2)&& (AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_BELOW) && (HtCapability.HtCapInfo.ChannelWidth == BW_40)) + { + CentralChannel = AddHtInfo.ControlChan - 2; + } + else if ((AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_ABOVE) && (HtCapability.HtCapInfo.ChannelWidth == BW_40)) + { + CentralChannel = AddHtInfo.ControlChan + 2; + } + + // Check Error . + if (pAd->MlmeAux.CentralChannel != CentralChannel) + DBGPRINT(RT_DEBUG_ERROR, ("PeerBeaconAtJoinAction HT===>Beacon Central Channel = %d, Control Channel = %d. Mlmeaux CentralChannel = %d\n", CentralChannel, AddHtInfo.ControlChan, pAd->MlmeAux.CentralChannel)); + + DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction HT===>Central Channel = %d, Control Channel = %d, .\n", CentralChannel, AddHtInfo.ControlChan)); + + } + + } + else +#endif // DOT11_N_SUPPORT // + { + // To prevent error, let legacy AP must have same CentralChannel and Channel. + if ((HtCapabilityLen == 0) && (PreNHtCapabilityLen == 0)) + pAd->MlmeAux.CentralChannel = pAd->MlmeAux.Channel; + + pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE; + pAd->MlmeAux.NewExtChannelOffset = 0xff; + RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE); + pAd->MlmeAux.HtCapabilityLen = 0; + RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE); + } + + RTMPUpdateMlmeRate(pAd); + + // copy QOS related information + if ((pAd->CommonCfg.bWmmCapable) +#ifdef DOT11_N_SUPPORT + || (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) +#endif // DOT11_N_SUPPORT // + ) + { + NdisMoveMemory(&pAd->MlmeAux.APEdcaParm, &EdcaParm, sizeof(EDCA_PARM)); + NdisMoveMemory(&pAd->MlmeAux.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM)); + NdisMoveMemory(&pAd->MlmeAux.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM)); + } + else + { + NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM)); + NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM)); + NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM)); + } + + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - after JOIN, SupRateLen=%d, ExtRateLen=%d\n", + pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen)); + + if (AironetCellPowerLimit != 0xFF) + { + //We need to change our TxPower for CCX 2.0 AP Control of Client Transmit Power + ChangeToCellPowerLimit(pAd, AironetCellPowerLimit); + } + else //Used the default TX Power Percentage. + pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault; + + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_SUCCESS; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status); + } + // not to me BEACON, ignored + } + // sanity check fail, ignore this frame +} + +/* + ========================================================================== + Description: + receive BEACON from peer + + IRQL = DISPATCH_LEVEL + + ========================================================================== + */ +VOID PeerBeacon( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN]; + CHAR Ssid[MAX_LEN_OF_SSID]; + CF_PARM CfParm; + UCHAR SsidLen, MessageToMe=0, BssType, Channel, NewChannel, index=0; + UCHAR DtimCount=0, DtimPeriod=0, BcastFlag=0; + USHORT CapabilityInfo, AtimWin, BeaconPeriod; + LARGE_INTEGER TimeStamp; + USHORT TbttNumToNextWakeUp; + UCHAR Erp; + UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES]; + UCHAR SupRateLen, ExtRateLen; + UCHAR CkipFlag; + USHORT LenVIE; + UCHAR AironetCellPowerLimit; + EDCA_PARM EdcaParm; + QBSS_LOAD_PARM QbssLoad; + QOS_CAPABILITY_PARM QosCapability; + ULONG RalinkIe; + // New for WPA security suites + UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5 + NDIS_802_11_VARIABLE_IEs *pVIE = NULL; + HT_CAPABILITY_IE HtCapability; + ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE + UCHAR HtCapabilityLen, PreNHtCapabilityLen; + UCHAR AddHtInfoLen; + UCHAR NewExtChannelOffset = 0xff; + + +#ifdef RALINK_ATE + if (ATE_ON(pAd)) + { + return; + } +#endif // RALINK_ATE // + + if (!(INFRA_ON(pAd) || ADHOC_ON(pAd) + )) + return; + + // Init Variable IE structure + pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE; + pVIE->Length = 0; + RTMPZeroMemory(&HtCapability, sizeof(HtCapability)); + RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE)); + + if (PeerBeaconAndProbeRspSanity(pAd, + Elem->Msg, + Elem->MsgLen, + Elem->Channel, + Addr2, + Bssid, + Ssid, + &SsidLen, + &BssType, + &BeaconPeriod, + &Channel, + &NewChannel, + &TimeStamp, + &CfParm, + &AtimWin, + &CapabilityInfo, + &Erp, + &DtimCount, + &DtimPeriod, + &BcastFlag, + &MessageToMe, + SupRate, + &SupRateLen, + ExtRate, + &ExtRateLen, + &CkipFlag, + &AironetCellPowerLimit, + &EdcaParm, + &QbssLoad, + &QosCapability, + &RalinkIe, + &HtCapabilityLen, + &PreNHtCapabilityLen, + &HtCapability, + &AddHtInfoLen, + &AddHtInfo, + &NewExtChannelOffset, + &LenVIE, + pVIE)) + { + BOOLEAN is_my_bssid, is_my_ssid; + ULONG Bssidx, Now; + BSS_ENTRY *pBss; + CHAR RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2)); + + is_my_bssid = MAC_ADDR_EQUAL(Bssid, pAd->CommonCfg.Bssid)? TRUE : FALSE; + is_my_ssid = SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen)? TRUE:FALSE; + + + // ignore BEACON not for my SSID + if ((! is_my_ssid) && (! is_my_bssid)) + return; + + // It means STA waits disassoc completely from this AP, ignores this beacon. + if (pAd->Mlme.CntlMachine.CurrState == CNTL_WAIT_DISASSOC) + return; + +#ifdef DOT11_N_SUPPORT + // Copy Control channel for this BSSID. + if (AddHtInfoLen != 0) + Channel = AddHtInfo.ControlChan; + + if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) + HtCapabilityLen = SIZE_HT_CAP_IE; +#endif // DOT11_N_SUPPORT // + + // + // Housekeeping "SsidBssTab" table for later-on ROAMing usage. + // + Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel); + if (Bssidx == BSS_NOT_FOUND) + { + // discover new AP of this network, create BSS entry + Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod, + &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, + &HtCapability, &AddHtInfo,HtCapabilityLen,AddHtInfoLen,NewExtChannelOffset, Channel, + RealRssi, TimeStamp, CkipFlag, &EdcaParm, &QosCapability, + &QbssLoad, LenVIE, pVIE); + if (Bssidx == BSS_NOT_FOUND) // return if BSS table full + return; + + NdisMoveMemory(pAd->ScanTab.BssEntry[Bssidx].PTSF, &Elem->Msg[24], 4); + NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4); + NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4); + + + + } + + if ((pAd->CommonCfg.bIEEE80211H == 1) && (NewChannel != 0) && (Channel != NewChannel)) + { + // Switching to channel 1 can prevent from rescanning the current channel immediately (by auto reconnection). + // In addition, clear the MLME queue and the scan table to discard the RX packets and previous scanning results. + AsicSwitchChannel(pAd, 1, FALSE); + AsicLockChannel(pAd, 1); + LinkDown(pAd, FALSE); + MlmeQueueInit(&pAd->Mlme.Queue); + BssTableInit(&pAd->ScanTab); + RTMPusecDelay(1000000); // use delay to prevent STA do reassoc + + // channel sanity check + for (index = 0 ; index < pAd->ChannelListNum; index++) + { + if (pAd->ChannelList[index].Channel == NewChannel) + { + pAd->ScanTab.BssEntry[Bssidx].Channel = NewChannel; + pAd->CommonCfg.Channel = NewChannel; + AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE); + AsicLockChannel(pAd, pAd->CommonCfg.Channel); + DBGPRINT(RT_DEBUG_TRACE, ("PeerBeacon - STA receive channel switch announcement IE (New Channel =%d)\n", NewChannel)); + break; + } + } + + if (index >= pAd->ChannelListNum) + { + DBGPRINT_ERR(("PeerBeacon(can not find New Channel=%d in ChannelList[%d]\n", pAd->CommonCfg.Channel, pAd->ChannelListNum)); + } + } + + // if the ssid matched & bssid unmatched, we should select the bssid with large value. + // This might happened when two STA start at the same time + if ((! is_my_bssid) && ADHOC_ON(pAd)) + { + INT i; + + // Add the safeguard against the mismatch of adhoc wep status + if (pAd->StaCfg.WepStatus != pAd->ScanTab.BssEntry[Bssidx].WepStatus) + { + return; + } + + // collapse into the ADHOC network which has bigger BSSID value. + for (i = 0; i < 6; i++) + { + if (Bssid[i] > pAd->CommonCfg.Bssid[i]) + { + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - merge to the IBSS with bigger BSSID=%02x:%02x:%02x:%02x:%02x:%02x\n", + Bssid[0], Bssid[1], Bssid[2], Bssid[3], Bssid[4], Bssid[5])); + AsicDisableSync(pAd); + COPY_MAC_ADDR(pAd->CommonCfg.Bssid, Bssid); + AsicSetBssid(pAd, pAd->CommonCfg.Bssid); + MakeIbssBeacon(pAd); // re-build BEACON frame + AsicEnableIbssSync(pAd); // copy BEACON frame to on-chip memory + is_my_bssid = TRUE; + break; + } + else if (Bssid[i] < pAd->CommonCfg.Bssid[i]) + break; + } + } + + + NdisGetSystemUpTime(&Now); + pBss = &pAd->ScanTab.BssEntry[Bssidx]; + pBss->Rssi = RealRssi; // lastest RSSI + pBss->LastBeaconRxTime = Now; // last RX timestamp + + // + // BEACON from my BSSID - either IBSS or INFRA network + // + if (is_my_bssid) + { + RXWI_STRUC RxWI; + + pAd->StaCfg.DtimCount = DtimCount; + pAd->StaCfg.DtimPeriod = DtimPeriod; + pAd->StaCfg.LastBeaconRxTime = Now; + + + RxWI.RSSI0 = Elem->Rssi0; + RxWI.RSSI1 = Elem->Rssi1; + RxWI.RSSI2 = Elem->Rssi2; + + Update_Rssi_Sample(pAd, &pAd->StaCfg.RssiSample, &RxWI); + if (AironetCellPowerLimit != 0xFF) + { + // + // We get the Cisco (ccx) "TxPower Limit" required + // Changed to appropriate TxPower Limit for Ciso Compatible Extensions + // + ChangeToCellPowerLimit(pAd, AironetCellPowerLimit); + } + else + { + // + // AironetCellPowerLimit equal to 0xFF means the Cisco (ccx) "TxPower Limit" not exist. + // Used the default TX Power Percentage, that set from UI. + // + pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault; + } + + if (ADHOC_ON(pAd) && (CAP_IS_IBSS_ON(CapabilityInfo))) + { + UCHAR MaxSupportedRateIn500Kbps = 0; + UCHAR idx; + MAC_TABLE_ENTRY *pEntry; + + // supported rates array may not be sorted. sort it and find the maximum rate + for (idx=0; idx<SupRateLen; idx++) + { + if (MaxSupportedRateIn500Kbps < (SupRate[idx] & 0x7f)) + MaxSupportedRateIn500Kbps = SupRate[idx] & 0x7f; + } + + for (idx=0; idx<ExtRateLen; idx++) + { + if (MaxSupportedRateIn500Kbps < (ExtRate[idx] & 0x7f)) + MaxSupportedRateIn500Kbps = ExtRate[idx] & 0x7f; + } + + // look up the existing table + pEntry = MacTableLookup(pAd, Addr2); + + // Ad-hoc mode is using MAC address as BA session. So we need to continuously find newly joined adhoc station by receiving beacon. + // To prevent always check this, we use wcid == RESERVED_WCID to recognize it as newly joined adhoc station. + if ((ADHOC_ON(pAd) && (Elem->Wcid == RESERVED_WCID)) || + (pEntry && ((pEntry->LastBeaconRxTime + ADHOC_ENTRY_BEACON_LOST_TIME) < Now))) + { + if (pEntry == NULL) + // Another adhoc joining, add to our MAC table. + pEntry = MacTableInsertEntry(pAd, Addr2, BSS0, FALSE); + + if (StaAddMacTableEntry(pAd, + pEntry, + MaxSupportedRateIn500Kbps, + &HtCapability, + HtCapabilityLen, + &AddHtInfo, + AddHtInfoLen, + CapabilityInfo) == FALSE) + { + DBGPRINT(RT_DEBUG_TRACE, ("ADHOC - Add Entry failed.\n")); + return; + } + + if (pEntry && + (Elem->Wcid == RESERVED_WCID)) + { + idx = pAd->StaCfg.DefaultKeyId; + RTMP_STA_SECURITY_INFO_ADD(pAd, BSS0, idx, pEntry); + } + } + + if (pEntry && pEntry->ValidAsCLI) + pEntry->LastBeaconRxTime = Now; + + // At least another peer in this IBSS, declare MediaState as CONNECTED + if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED)) + { + OPSTATUS_SET_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED); + + pAd->IndicateMediaState = NdisMediaStateConnected; + RTMP_IndicateMediaState(pAd); + pAd->ExtraInfo = GENERAL_LINK_UP; + AsicSetBssid(pAd, pAd->CommonCfg.Bssid); + + // 2003/03/12 - john + // Make sure this entry in "ScanTab" table, thus complies to Microsoft's policy that + // "site survey" result should always include the current connected network. + // + Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel); + if (Bssidx == BSS_NOT_FOUND) + { + Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod, + &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability, + &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, RealRssi, TimeStamp, 0, + &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE); + } + DBGPRINT(RT_DEBUG_TRACE, ("ADHOC fOP_STATUS_MEDIA_STATE_CONNECTED.\n")); + } + } + + if (INFRA_ON(pAd)) + { + BOOLEAN bUseShortSlot, bUseBGProtection; + + // decide to use/change to - + // 1. long slot (20 us) or short slot (9 us) time + // 2. turn on/off RTS/CTS and/or CTS-to-self protection + // 3. short preamble + + //bUseShortSlot = pAd->CommonCfg.bUseShortSlotTime && CAP_IS_SHORT_SLOT(CapabilityInfo); + bUseShortSlot = CAP_IS_SHORT_SLOT(CapabilityInfo); + if (bUseShortSlot != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_SLOT_INUSED)) + AsicSetSlotTime(pAd, bUseShortSlot); + + bUseBGProtection = (pAd->CommonCfg.UseBGProtection == 1) || // always use + ((pAd->CommonCfg.UseBGProtection == 0) && ERP_IS_USE_PROTECTION(Erp)); + + if (pAd->CommonCfg.Channel > 14) // always no BG protection in A-band. falsely happened when switching A/G band to a dual-band AP + bUseBGProtection = FALSE; + + if (bUseBGProtection != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED)) + { + if (bUseBGProtection) + { + OPSTATUS_SET_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED); + AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),FALSE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1)); + } + else + { + OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED); + AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),TRUE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1)); + } + + DBGPRINT(RT_DEBUG_WARN, ("SYNC - AP changed B/G protection to %d\n", bUseBGProtection)); + } + +#ifdef DOT11_N_SUPPORT + // check Ht protection mode. and adhere to the Non-GF device indication by AP. + if ((AddHtInfoLen != 0) && + ((AddHtInfo.AddHtInfo2.OperaionMode != pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode) || + (AddHtInfo.AddHtInfo2.NonGfPresent != pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent))) + { + pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent = AddHtInfo.AddHtInfo2.NonGfPresent; + pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode = AddHtInfo.AddHtInfo2.OperaionMode; + if (pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1) + { + AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, TRUE); + } + else + AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, FALSE); + + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP changed N OperaionMode to %d\n", pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode)); + } +#endif // DOT11_N_SUPPORT // + + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED) && + ERP_IS_USE_BARKER_PREAMBLE(Erp)) + { + MlmeSetTxPreamble(pAd, Rt802_11PreambleLong); + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP forced to use LONG preamble\n")); + } + + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED) && + (EdcaParm.bValid == TRUE) && + (EdcaParm.EdcaUpdateCount != pAd->CommonCfg.APEdcaParm.EdcaUpdateCount)) + { + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP change EDCA parameters(from %d to %d)\n", + pAd->CommonCfg.APEdcaParm.EdcaUpdateCount, + EdcaParm.EdcaUpdateCount)); + AsicSetEdcaParm(pAd, &EdcaParm); + } + + // copy QOS related information + NdisMoveMemory(&pAd->CommonCfg.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM)); + NdisMoveMemory(&pAd->CommonCfg.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM)); + } + + // only INFRASTRUCTURE mode support power-saving feature + if ((INFRA_ON(pAd) && (pAd->StaCfg.Psm == PWR_SAVE)) || (pAd->CommonCfg.bAPSDForcePowerSave)) + { + UCHAR FreeNumber; + // 1. AP has backlogged unicast-to-me frame, stay AWAKE, send PSPOLL + // 2. AP has backlogged broadcast/multicast frame and we want those frames, stay AWAKE + // 3. we have outgoing frames in TxRing or MgmtRing, better stay AWAKE + // 4. Psm change to PWR_SAVE, but AP not been informed yet, we better stay AWAKE + // 5. otherwise, put PHY back to sleep to save battery. + if (MessageToMe) + { +#ifdef RTMP_MAC_PCI + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) + { + // Restore to correct BBP R3 value + if (pAd->Antenna.field.RxPath > 1) + RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3); + // Turn clk to 80Mhz. + } +#endif // RTMP_MAC_PCI // + if (pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable && + pAd->CommonCfg.bAPSDAC_BE && pAd->CommonCfg.bAPSDAC_BK && pAd->CommonCfg.bAPSDAC_VI && pAd->CommonCfg.bAPSDAC_VO) + { + pAd->CommonCfg.bNeedSendTriggerFrame = TRUE; + } + else + RTMP_PS_POLL_ENQUEUE(pAd); + } + else if (BcastFlag && (DtimCount == 0) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM)) + { +#ifdef RTMP_MAC_PCI + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) + { + if (pAd->Antenna.field.RxPath > 1) + RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3); + } +#endif // RTMP_MAC_PCI // + } + else if ((pAd->TxSwQueue[QID_AC_BK].Number != 0) || + (pAd->TxSwQueue[QID_AC_BE].Number != 0) || + (pAd->TxSwQueue[QID_AC_VI].Number != 0) || + (pAd->TxSwQueue[QID_AC_VO].Number != 0) || + (RTMPFreeTXDRequest(pAd, QID_AC_BK, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) || + (RTMPFreeTXDRequest(pAd, QID_AC_BE, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) || + (RTMPFreeTXDRequest(pAd, QID_AC_VI, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) || + (RTMPFreeTXDRequest(pAd, QID_AC_VO, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) || + (RTMPFreeTXDRequest(pAd, QID_MGMT, MGMT_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS)) + { + // TODO: consider scheduled HCCA. might not be proper to use traditional DTIM-based power-saving scheme + // can we cheat here (i.e. just check MGMT & AC_BE) for better performance? +#ifdef RTMP_MAC_PCI + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) + { + if (pAd->Antenna.field.RxPath > 1) + RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3); + } +#endif // RTMP_MAC_PCI // + } + else + { + if ((pAd->CommonCfg.bACMAPSDTr[QID_AC_VO]) || + (pAd->CommonCfg.bACMAPSDTr[QID_AC_VI]) || + (pAd->CommonCfg.bACMAPSDTr[QID_AC_BK]) || + (pAd->CommonCfg.bACMAPSDTr[QID_AC_BE])) + { + /* + WMM Spec v1.0 3.6.2.4, + The WMM STA shall remain awake until it receives a + QoS Data or Null frame addressed to it, with the + EOSP subfield in QoS Control field set to 1. + + So we can not sleep here or we will suffer a case: + + PS Management Frame --> + Trigger frame --> + Beacon (TIM=0) (Beacon is closer to Trig frame) --> + Station goes to sleep --> + AP delivery queued UAPSD packets --> + Station can NOT receive the reply + + Maybe we need a timeout timer to avoid that we do + NOT receive the EOSP frame. + + We can not use More Data to check if SP is ended + due to MaxSPLength. + */ + } + else + { + USHORT NextDtim = DtimCount; + + + if (NextDtim == 0) + NextDtim = DtimPeriod; + + TbttNumToNextWakeUp = pAd->StaCfg.DefaultListenCount; + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM) && (TbttNumToNextWakeUp > NextDtim)) + TbttNumToNextWakeUp = NextDtim; + + if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) + { + // Set a flag to go to sleep . Then after parse this RxDoneInterrupt, will go to sleep mode. + pAd->ThisTbttNumToNextWakeUp = TbttNumToNextWakeUp; + AsicSleepThenAutoWakeup(pAd, pAd->ThisTbttNumToNextWakeUp); + + } + } + } + } + } + // not my BSSID, ignore it + } + // sanity check fail, ignore this frame +} + +/* + ========================================================================== + Description: + Receive PROBE REQ from remote peer when operating in IBSS mode + ========================================================================== + */ +VOID PeerProbeReqAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + UCHAR Addr2[MAC_ADDR_LEN]; + CHAR Ssid[MAX_LEN_OF_SSID]; + UCHAR SsidLen; +#ifdef DOT11_N_SUPPORT + UCHAR HtLen, AddHtLen, NewExtLen; +#endif // DOT11_N_SUPPORT // + HEADER_802_11 ProbeRspHdr; + NDIS_STATUS NStatus; + PUCHAR pOutBuffer = NULL; + ULONG FrameLen = 0; + LARGE_INTEGER FakeTimestamp; + UCHAR DsLen = 1, IbssLen = 2; + UCHAR LocalErpIe[3] = {IE_ERP, 1, 0}; + BOOLEAN Privacy; + USHORT CapabilityInfo; + UCHAR RSNIe = IE_WPA; + + if (! ADHOC_ON(pAd)) + return; + + if (PeerProbeReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, Ssid, &SsidLen)) + { + if ((SsidLen == 0) || SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen)) + { + // allocate and send out ProbeRsp frame + NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory + if (NStatus != NDIS_STATUS_SUCCESS) + return; + + //pAd->StaCfg.AtimWin = 0; // ?????? + + Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) || + (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) || + (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled); + CapabilityInfo = CAP_GENERATE(0, 1, Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 0, 0); + + MakeOutgoingFrame(pOutBuffer, &FrameLen, + sizeof(HEADER_802_11), &ProbeRspHdr, + TIMESTAMP_LEN, &FakeTimestamp, + 2, &pAd->CommonCfg.BeaconPeriod, + 2, &CapabilityInfo, + 1, &SsidIe, + 1, &pAd->CommonCfg.SsidLen, + pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid, + 1, &SupRateIe, + 1, &pAd->StaActive.SupRateLen, + pAd->StaActive.SupRateLen, pAd->StaActive.SupRate, + 1, &DsIe, + 1, &DsLen, + 1, &pAd->CommonCfg.Channel, + 1, &IbssIe, + 1, &IbssLen, + 2, &pAd->StaActive.AtimWin, + END_OF_ARGS); + + if (pAd->StaActive.ExtRateLen) + { + ULONG tmp; + MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp, + 3, LocalErpIe, + 1, &ExtRateIe, + 1, &pAd->StaActive.ExtRateLen, + pAd->StaActive.ExtRateLen, &pAd->StaActive.ExtRate, + END_OF_ARGS); + FrameLen += tmp; + } + + // If adhoc secruity is set for WPA-None, append the cipher suite IE + if (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPANone) + { + ULONG tmp; + MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp, + 1, &RSNIe, + 1, &pAd->StaCfg.RSNIE_Len, + pAd->StaCfg.RSNIE_Len, pAd->StaCfg.RSN_IE, + END_OF_ARGS); + FrameLen += tmp; + } +#ifdef DOT11_N_SUPPORT + if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) + { + ULONG TmpLen; + UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33}; + HtLen = sizeof(pAd->CommonCfg.HtCapability); + AddHtLen = sizeof(pAd->CommonCfg.AddHTInfo); + NewExtLen = 1; + //New extension channel offset IE is included in Beacon, Probe Rsp or channel Switch Announcement Frame + if (pAd->bBroadComHT == TRUE) + { + MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen, + 1, &WpaIe, + 4, &BROADCOM[0], + pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability, + END_OF_ARGS); + } + else + { + MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen, + 1, &HtCapIe, + 1, &HtLen, + sizeof(HT_CAPABILITY_IE), &pAd->CommonCfg.HtCapability, + 1, &AddHtInfoIe, + 1, &AddHtLen, + sizeof(ADD_HT_INFO_IE), &pAd->CommonCfg.AddHTInfo, + 1, &NewExtChanIe, + 1, &NewExtLen, + sizeof(NEW_EXT_CHAN_IE), &pAd->CommonCfg.NewExtChanOffset, + END_OF_ARGS); + } + FrameLen += TmpLen; + } +#endif // DOT11_N_SUPPORT // + MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen); + MlmeFreeMemory(pAd, pOutBuffer); + } + } +} + +VOID BeaconTimeoutAtJoinAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + USHORT Status; + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BeaconTimeoutAtJoinAction\n")); + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_REJ_TIMEOUT; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status); +} + +/* + ========================================================================== + Description: + Scan timeout procedure. basically add channel index by 1 and rescan + ========================================================================== + */ +VOID ScanTimeoutAction( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + pAd->MlmeAux.Channel = NextChannel(pAd, pAd->MlmeAux.Channel); + + // Only one channel scanned for CISCO beacon request + if ((pAd->MlmeAux.ScanType == SCAN_CISCO_ACTIVE) || + (pAd->MlmeAux.ScanType == SCAN_CISCO_PASSIVE) || + (pAd->MlmeAux.ScanType == SCAN_CISCO_NOISE) || + (pAd->MlmeAux.ScanType == SCAN_CISCO_CHANNEL_LOAD)) + pAd->MlmeAux.Channel = 0; + + // this routine will stop if pAd->MlmeAux.Channel == 0 + ScanNextChannel(pAd); +} + +/* + ========================================================================== + Description: + ========================================================================== + */ +VOID InvalidStateWhenScan( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + USHORT Status; + DBGPRINT(RT_DEBUG_TRACE, ("AYNC - InvalidStateWhenScan(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState)); + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_STATE_MACHINE_REJECT; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status); +} + +/* + ========================================================================== + Description: + ========================================================================== + */ +VOID InvalidStateWhenJoin( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + USHORT Status; + DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenJoin(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState)); + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_STATE_MACHINE_REJECT; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status); +} + +/* + ========================================================================== + Description: + ========================================================================== + */ +VOID InvalidStateWhenStart( + IN PRTMP_ADAPTER pAd, + IN MLME_QUEUE_ELEM *Elem) +{ + USHORT Status; + DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenStart(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState)); + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_STATE_MACHINE_REJECT; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status); +} + +/* + ========================================================================== + Description: + + IRQL = DISPATCH_LEVEL + + ========================================================================== + */ +VOID EnqueuePsPoll( + IN PRTMP_ADAPTER pAd) +{ +#ifdef RALINK_ATE + if (ATE_ON(pAd)) + { + return; + } +#endif // RALINK_ATE // + + + if (pAd->StaCfg.WindowsPowerMode == Ndis802_11PowerModeLegacy_PSP) + pAd->PsPollFrame.FC.PwrMgmt = PWR_SAVE; + MiniportMMRequest(pAd, 0, (PUCHAR)&pAd->PsPollFrame, sizeof(PSPOLL_FRAME)); +} + + +/* + ========================================================================== + Description: + ========================================================================== + */ +VOID EnqueueProbeRequest( + IN PRTMP_ADAPTER pAd) +{ + NDIS_STATUS NState; + PUCHAR pOutBuffer; + ULONG FrameLen = 0; + HEADER_802_11 Hdr80211; + + DBGPRINT(RT_DEBUG_TRACE, ("force out a ProbeRequest ...\n")); + + NState = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory + if (NState == NDIS_STATUS_SUCCESS) + { + MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR); + + // this ProbeRequest explicitly specify SSID to reduce unwanted ProbeResponse + MakeOutgoingFrame(pOutBuffer, &FrameLen, + sizeof(HEADER_802_11), &Hdr80211, + 1, &SsidIe, + 1, &pAd->CommonCfg.SsidLen, + pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid, + 1, &SupRateIe, + 1, &pAd->StaActive.SupRateLen, + pAd->StaActive.SupRateLen, pAd->StaActive.SupRate, + END_OF_ARGS); + MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen); + MlmeFreeMemory(pAd, pOutBuffer); + } + +} + +#ifdef DOT11_N_SUPPORT +#ifdef DOT11N_DRAFT3 +VOID BuildEffectedChannelList( + IN PRTMP_ADAPTER pAd) +{ + UCHAR EChannel[11]; + UCHAR i, j, k; + UCHAR UpperChannel = 0, LowerChannel = 0; + + RTMPZeroMemory(EChannel, 11); + i = 0; + // Find upper channel and lower channel. + if (pAd->CommonCfg.CentralChannel < pAd->CommonCfg.Channel) + { + UpperChannel = pAd->CommonCfg.Channel; + LowerChannel = pAd->CommonCfg.CentralChannel; + } + else if (pAd->CommonCfg.CentralChannel > pAd->CommonCfg.Channel) + { + UpperChannel = pAd->CommonCfg.CentralChannel; + LowerChannel = pAd->CommonCfg.Channel; + } + else + { + return; + } + + // Record channels that is below lower channel.. + if (LowerChannel > 1) + { + EChannel[0] = LowerChannel - 1; + i = 1; + if (LowerChannel > 2) + { + EChannel[1] = LowerChannel - 2; + i = 2; + if (LowerChannel > 3) + { + EChannel[2] = LowerChannel - 3; + i = 3; + } + } + } + // Record channels that is between lower channel and upper channel. + for (k = LowerChannel;k < UpperChannel;k++) + { + EChannel[i] = k; + i++; + } + // Record channels that is above upper channel.. + if (LowerChannel < 11) + { + EChannel[i] = UpperChannel + 1; + i++; + if (LowerChannel < 10) + { + EChannel[i] = LowerChannel + 2; + i++; + if (LowerChannel < 9) + { + EChannel[i] = LowerChannel + 3; + i++; + } + } + } + // + for (j = 0;j < i;j++) + { + for (k = 0;k < pAd->ChannelListNum;k++) + { + if (pAd->ChannelList[k].Channel == EChannel[j]) + { + pAd->ChannelList[k].bEffectedChannel = TRUE; + DBGPRINT(RT_DEBUG_TRACE,(" EffectedChannel( =%d)\n", EChannel[j])); + break; + } + } + } +} +#endif // DOT11N_DRAFT3 // +#endif // DOT11_N_SUPPORT // + +BOOLEAN ScanRunning( + IN PRTMP_ADAPTER pAd) +{ + return (pAd->Mlme.SyncMachine.CurrState == SCAN_LISTEN) ? TRUE : FALSE; +} |