diff options
Diffstat (limited to 'drivers/staging/rt2870/common/cmm_sync.c')
| -rw-r--r-- | drivers/staging/rt2870/common/cmm_sync.c | 711 |
1 files changed, 711 insertions, 0 deletions
diff --git a/drivers/staging/rt2870/common/cmm_sync.c b/drivers/staging/rt2870/common/cmm_sync.c new file mode 100644 index 000000000000..2be7c77a384e --- /dev/null +++ b/drivers/staging/rt2870/common/cmm_sync.c @@ -0,0 +1,711 @@ +/* + ************************************************************************* + * 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 +*/ +#include "../rt_config.h" + +// 2.4 Ghz channel plan index in the TxPower arrays. +#define BG_BAND_REGION_0_START 0 // 1,2,3,4,5,6,7,8,9,10,11 +#define BG_BAND_REGION_0_SIZE 11 +#define BG_BAND_REGION_1_START 0 // 1,2,3,4,5,6,7,8,9,10,11,12,13 +#define BG_BAND_REGION_1_SIZE 13 +#define BG_BAND_REGION_2_START 9 // 10,11 +#define BG_BAND_REGION_2_SIZE 2 +#define BG_BAND_REGION_3_START 9 // 10,11,12,13 +#define BG_BAND_REGION_3_SIZE 4 +#define BG_BAND_REGION_4_START 13 // 14 +#define BG_BAND_REGION_4_SIZE 1 +#define BG_BAND_REGION_5_START 0 // 1,2,3,4,5,6,7,8,9,10,11,12,13,14 +#define BG_BAND_REGION_5_SIZE 14 +#define BG_BAND_REGION_6_START 2 // 3,4,5,6,7,8,9 +#define BG_BAND_REGION_6_SIZE 7 +#define BG_BAND_REGION_7_START 4 // 5,6,7,8,9,10,11,12,13 +#define BG_BAND_REGION_7_SIZE 9 +#define BG_BAND_REGION_31_START 0 // 1,2,3,4,5,6,7,8,9,10,11,12,13,14 +#define BG_BAND_REGION_31_SIZE 14 + +// 5 Ghz channel plan index in the TxPower arrays. +UCHAR A_BAND_REGION_0_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}; +UCHAR A_BAND_REGION_1_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}; +UCHAR A_BAND_REGION_2_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64}; +UCHAR A_BAND_REGION_3_CHANNEL_LIST[]={52, 56, 60, 64, 149, 153, 157, 161}; +UCHAR A_BAND_REGION_4_CHANNEL_LIST[]={149, 153, 157, 161, 165}; +UCHAR A_BAND_REGION_5_CHANNEL_LIST[]={149, 153, 157, 161}; +UCHAR A_BAND_REGION_6_CHANNEL_LIST[]={36, 40, 44, 48}; +UCHAR A_BAND_REGION_7_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165}; +UCHAR A_BAND_REGION_8_CHANNEL_LIST[]={52, 56, 60, 64}; +UCHAR A_BAND_REGION_9_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161, 165}; +UCHAR A_BAND_REGION_10_CHANNEL_LIST[]={36, 40, 44, 48, 149, 153, 157, 161, 165}; +UCHAR A_BAND_REGION_11_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 149, 153, 157, 161}; + +//BaSizeArray follows the 802.11n definition as MaxRxFactor. 2^(13+factor) bytes. When factor =0, it's about Ba buffer size =8. +UCHAR BaSizeArray[4] = {8,16,32,64}; + +/* + ========================================================================== + Description: + Update StaCfg->ChannelList[] according to 1) Country Region 2) RF IC type, + and 3) PHY-mode user selected. + The outcome is used by driver when doing site survey. + + IRQL = PASSIVE_LEVEL + IRQL = DISPATCH_LEVEL + + ========================================================================== + */ +VOID BuildChannelList( + IN PRTMP_ADAPTER pAd) +{ + UCHAR i, j, index=0, num=0; + PUCHAR pChannelList = NULL; + + NdisZeroMemory(pAd->ChannelList, MAX_NUM_OF_CHANNELS * sizeof(CHANNEL_TX_POWER)); + + // if not 11a-only mode, channel list starts from 2.4Ghz band + if ((pAd->CommonCfg.PhyMode != PHY_11A) +#ifdef DOT11_N_SUPPORT + && (pAd->CommonCfg.PhyMode != PHY_11AN_MIXED) && (pAd->CommonCfg.PhyMode != PHY_11N_5G) +#endif // DOT11_N_SUPPORT // + ) + { + switch (pAd->CommonCfg.CountryRegion & 0x7f) + { + case REGION_0_BG_BAND: // 1 -11 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_0_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_0_SIZE); + index += BG_BAND_REGION_0_SIZE; + break; + case REGION_1_BG_BAND: // 1 - 13 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_1_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_1_SIZE); + index += BG_BAND_REGION_1_SIZE; + break; + case REGION_2_BG_BAND: // 10 - 11 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_2_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_2_SIZE); + index += BG_BAND_REGION_2_SIZE; + break; + case REGION_3_BG_BAND: // 10 - 13 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_3_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_3_SIZE); + index += BG_BAND_REGION_3_SIZE; + break; + case REGION_4_BG_BAND: // 14 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_4_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_4_SIZE); + index += BG_BAND_REGION_4_SIZE; + break; + case REGION_5_BG_BAND: // 1 - 14 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_5_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_5_SIZE); + index += BG_BAND_REGION_5_SIZE; + break; + case REGION_6_BG_BAND: // 3 - 9 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_6_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_6_SIZE); + index += BG_BAND_REGION_6_SIZE; + break; + case REGION_7_BG_BAND: // 5 - 13 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_7_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_7_SIZE); + index += BG_BAND_REGION_7_SIZE; + break; + case REGION_31_BG_BAND: // 1 - 14 + NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_31_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_31_SIZE); + index += BG_BAND_REGION_31_SIZE; + break; + default: // Error. should never happen + break; + } + for (i=0; i<index; i++) + pAd->ChannelList[i].MaxTxPwr = 20; + } + + if ((pAd->CommonCfg.PhyMode == PHY_11A) || (pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED) +#ifdef DOT11_N_SUPPORT + || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AN_MIXED) + || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11N_5G) +#endif // DOT11_N_SUPPORT // + ) + { + switch (pAd->CommonCfg.CountryRegionForABand & 0x7f) + { + case REGION_0_A_BAND: + num = sizeof(A_BAND_REGION_0_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_0_CHANNEL_LIST; + break; + case REGION_1_A_BAND: + num = sizeof(A_BAND_REGION_1_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_1_CHANNEL_LIST; + break; + case REGION_2_A_BAND: + num = sizeof(A_BAND_REGION_2_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_2_CHANNEL_LIST; + break; + case REGION_3_A_BAND: + num = sizeof(A_BAND_REGION_3_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_3_CHANNEL_LIST; + break; + case REGION_4_A_BAND: + num = sizeof(A_BAND_REGION_4_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_4_CHANNEL_LIST; + break; + case REGION_5_A_BAND: + num = sizeof(A_BAND_REGION_5_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_5_CHANNEL_LIST; + break; + case REGION_6_A_BAND: + num = sizeof(A_BAND_REGION_6_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_6_CHANNEL_LIST; + break; + case REGION_7_A_BAND: + num = sizeof(A_BAND_REGION_7_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_7_CHANNEL_LIST; + break; + case REGION_8_A_BAND: + num = sizeof(A_BAND_REGION_8_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_8_CHANNEL_LIST; + break; + case REGION_9_A_BAND: + num = sizeof(A_BAND_REGION_9_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_9_CHANNEL_LIST; + break; + + case REGION_10_A_BAND: + num = sizeof(A_BAND_REGION_10_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_10_CHANNEL_LIST; + break; + + case REGION_11_A_BAND: + num = sizeof(A_BAND_REGION_11_CHANNEL_LIST)/sizeof(UCHAR); + pChannelList = A_BAND_REGION_11_CHANNEL_LIST; + break; + + default: // Error. should never happen + DBGPRINT(RT_DEBUG_WARN,("countryregion=%d not support", pAd->CommonCfg.CountryRegionForABand)); + break; + } + + if (num != 0) + { + UCHAR RadarCh[15]={52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}; + for (i=0; i<num; i++) + { + for (j=0; j<MAX_NUM_OF_CHANNELS; j++) + { + if (pChannelList[i] == pAd->TxPower[j].Channel) + NdisMoveMemory(&pAd->ChannelList[index+i], &pAd->TxPower[j], sizeof(CHANNEL_TX_POWER)); + } + for (j=0; j<15; j++) + { + if (pChannelList[i] == RadarCh[j]) + pAd->ChannelList[index+i].DfsReq = TRUE; + } + pAd->ChannelList[index+i].MaxTxPwr = 20; + } + index += num; + } + } + + pAd->ChannelListNum = index; + DBGPRINT(RT_DEBUG_TRACE,("country code=%d/%d, RFIC=%d, PHY mode=%d, support %d channels\n", + pAd->CommonCfg.CountryRegion, pAd->CommonCfg.CountryRegionForABand, pAd->RfIcType, pAd->CommonCfg.PhyMode, pAd->ChannelListNum)); +#ifdef DBG + for (i=0;i<pAd->ChannelListNum;i++) + { + DBGPRINT_RAW(RT_DEBUG_TRACE,("BuildChannel # %d :: Pwr0 = %d, Pwr1 =%d, \n ", pAd->ChannelList[i].Channel, pAd->ChannelList[i].Power, pAd->ChannelList[i].Power2)); + } +#endif +} + +/* + ========================================================================== + Description: + This routine return the first channel number according to the country + code selection and RF IC selection (signal band or dual band). It is called + whenever driver need to start a site survey of all supported channels. + Return: + ch - the first channel number of current country code setting + + IRQL = PASSIVE_LEVEL + + ========================================================================== + */ +UCHAR FirstChannel( + IN PRTMP_ADAPTER pAd) +{ + return pAd->ChannelList[0].Channel; +} + +/* + ========================================================================== + Description: + This routine returns the next channel number. This routine is called + during driver need to start a site survey of all supported channels. + Return: + next_channel - the next channel number valid in current country code setting. + Note: + return 0 if no more next channel + ========================================================================== + */ +UCHAR NextChannel( + IN PRTMP_ADAPTER pAd, + IN UCHAR channel) +{ + int i; + UCHAR next_channel = 0; + + for (i = 0; i < (pAd->ChannelListNum - 1); i++) + if (channel == pAd->ChannelList[i].Channel) + { + next_channel = pAd->ChannelList[i+1].Channel; + break; + } + return next_channel; +} + +/* + ========================================================================== + Description: + This routine is for Cisco Compatible Extensions 2.X + Spec31. AP Control of Client Transmit Power + Return: + None + Note: + Required by Aironet dBm(mW) + 0dBm(1mW), 1dBm(5mW), 13dBm(20mW), 15dBm(30mW), + 17dBm(50mw), 20dBm(100mW) + + We supported + 3dBm(Lowest), 6dBm(10%), 9dBm(25%), 12dBm(50%), + 14dBm(75%), 15dBm(100%) + + The client station's actual transmit power shall be within +/- 5dB of + the minimum value or next lower value. + ========================================================================== + */ +VOID ChangeToCellPowerLimit( + IN PRTMP_ADAPTER pAd, + IN UCHAR AironetCellPowerLimit) +{ + //valud 0xFF means that hasn't found power limit information + //from the AP's Beacon/Probe response. + if (AironetCellPowerLimit == 0xFF) + return; + + if (AironetCellPowerLimit < 6) //Used Lowest Power Percentage. + pAd->CommonCfg.TxPowerPercentage = 6; + else if (AironetCellPowerLimit < 9) + pAd->CommonCfg.TxPowerPercentage = 10; + else if (AironetCellPowerLimit < 12) + pAd->CommonCfg.TxPowerPercentage = 25; + else if (AironetCellPowerLimit < 14) + pAd->CommonCfg.TxPowerPercentage = 50; + else if (AironetCellPowerLimit < 15) + pAd->CommonCfg.TxPowerPercentage = 75; + else + pAd->CommonCfg.TxPowerPercentage = 100; //else used maximum + + if (pAd->CommonCfg.TxPowerPercentage > pAd->CommonCfg.TxPowerDefault) + pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault; + +} + +CHAR ConvertToRssi( + IN PRTMP_ADAPTER pAd, + IN CHAR Rssi, + IN UCHAR RssiNumber) +{ + UCHAR RssiOffset, LNAGain; + + // Rssi equals to zero should be an invalid value + if (Rssi == 0) + return -99; + + LNAGain = GET_LNA_GAIN(pAd); + if (pAd->LatchRfRegs.Channel > 14) + { + if (RssiNumber == 0) + RssiOffset = pAd->ARssiOffset0; + else if (RssiNumber == 1) + RssiOffset = pAd->ARssiOffset1; + else + RssiOffset = pAd->ARssiOffset2; + } + else + { + if (RssiNumber == 0) + RssiOffset = pAd->BGRssiOffset0; + else if (RssiNumber == 1) + RssiOffset = pAd->BGRssiOffset1; + else + RssiOffset = pAd->BGRssiOffset2; + } + + return (-12 - RssiOffset - LNAGain - Rssi); +} + +/* + ========================================================================== + Description: + Scan next channel + ========================================================================== + */ +VOID ScanNextChannel( + IN PRTMP_ADAPTER pAd) +{ + HEADER_802_11 Hdr80211; + PUCHAR pOutBuffer = NULL; + NDIS_STATUS NStatus; + ULONG FrameLen = 0; + UCHAR SsidLen = 0, ScanType = pAd->MlmeAux.ScanType, BBPValue = 0; +#ifdef CONFIG_STA_SUPPORT + USHORT Status; + PHEADER_802_11 pHdr80211; +#endif // CONFIG_STA_SUPPORT // + UINT ScanTimeIn5gChannel = SHORT_CHANNEL_TIME; + +#ifdef CONFIG_STA_SUPPORT + IF_DEV_CONFIG_OPMODE_ON_STA(pAd) + { + if (MONITOR_ON(pAd)) + return; + } +#endif // CONFIG_STA_SUPPORT // + +#ifdef RALINK_ATE + // Nothing to do in ATE mode. + if (ATE_ON(pAd)) + return; +#endif // RALINK_ATE // + + if (pAd->MlmeAux.Channel == 0) + { + if ((pAd->CommonCfg.BBPCurrentBW == BW_40) +#ifdef CONFIG_STA_SUPPORT + && (INFRA_ON(pAd) + || (pAd->OpMode == OPMODE_AP)) +#endif // CONFIG_STA_SUPPORT // + ) + { + 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)); + } + else + { + AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE); + AsicLockChannel(pAd, pAd->CommonCfg.Channel); + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to channel %d, Total BSS[%02d]\n",pAd->CommonCfg.Channel, pAd->ScanTab.BssNr)); + } + +#ifdef CONFIG_STA_SUPPORT + IF_DEV_CONFIG_OPMODE_ON_STA(pAd) + { + // + // To prevent data lost. + // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress. + // Now, we need to 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 = (pAd->StaCfg.Psm == PWR_SAVE); + + // Send using priority queue + MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11)); + DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame\n")); + MlmeFreeMemory(pAd, pOutBuffer); + RTMPusecDelay(5000); + } + } + + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_SUCCESS; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status); + } +#endif // CONFIG_STA_SUPPORT // + + + RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS); + } +#ifdef RT2870 +#ifdef CONFIG_STA_SUPPORT + else if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST) && (pAd->OpMode == OPMODE_STA)) + { + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_FAIL_NO_RESOURCE); + } +#endif // CONFIG_STA_SUPPORT // +#endif // RT2870 // + else + { +#ifdef CONFIG_STA_SUPPORT + IF_DEV_CONFIG_OPMODE_ON_STA(pAd) + { + // BBP and RF are not accessible in PS mode, we has to wake them up first + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) + AsicForceWakeup(pAd, TRUE); + + // leave PSM during scanning. otherwise we may lost ProbeRsp & BEACON + if (pAd->StaCfg.Psm == PWR_SAVE) + MlmeSetPsmBit(pAd, PWR_ACTIVE); + } +#endif // CONFIG_STA_SUPPORT // + + AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, TRUE); + AsicLockChannel(pAd, pAd->MlmeAux.Channel); + +#ifdef CONFIG_STA_SUPPORT + IF_DEV_CONFIG_OPMODE_ON_STA(pAd) + { + if (pAd->MlmeAux.Channel > 14) + { + if ((pAd->CommonCfg.bIEEE80211H == 1) && RadarChannelCheck(pAd, pAd->MlmeAux.Channel)) + { + ScanType = SCAN_PASSIVE; + ScanTimeIn5gChannel = MIN_CHANNEL_TIME; + } + } + +#ifdef CARRIER_DETECTION_SUPPORT // Roger sync Carrier + // carrier detection + if (pAd->CommonCfg.CarrierDetect.Enable == TRUE) + { + ScanType = SCAN_PASSIVE; + ScanTimeIn5gChannel = MIN_CHANNEL_TIME; + } +#endif // CARRIER_DETECTION_SUPPORT // + } + +#endif // CONFIG_STA_SUPPORT // + + //Global country domain(ch1-11:active scan, ch12-14 passive scan) + if ((pAd->MlmeAux.Channel <= 14) && (pAd->MlmeAux.Channel >= 12) && ((pAd->CommonCfg.CountryRegion & 0x7f) == REGION_31_BG_BAND)) + { + ScanType = SCAN_PASSIVE; + } + + // We need to shorten active scan time in order for WZC connect issue + // Chnage the channel scan time for CISCO stuff based on its IAPP announcement + if (ScanType == FAST_SCAN_ACTIVE) + RTMPSetTimer(&pAd->MlmeAux.ScanTimer, FAST_ACTIVE_SCAN_TIME); +#ifdef CONFIG_STA_SUPPORT + else if (((ScanType == SCAN_CISCO_ACTIVE) || + (ScanType == SCAN_CISCO_PASSIVE) || + (ScanType == SCAN_CISCO_CHANNEL_LOAD) || + (ScanType == SCAN_CISCO_NOISE)) && (pAd->OpMode == OPMODE_STA)) + { + if (pAd->StaCfg.CCXScanTime < 25) + RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime * 2); + else + RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime); + } +#endif // CONFIG_STA_SUPPORT // + else // must be SCAN_PASSIVE or SCAN_ACTIVE + { + if ((pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED) +#ifdef DOT11_N_SUPPORT + || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED) +#endif // DOT11_N_SUPPORT // + ) + { + if (pAd->MlmeAux.Channel > 14) + RTMPSetTimer(&pAd->MlmeAux.ScanTimer, ScanTimeIn5gChannel); + else + RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MIN_CHANNEL_TIME); + } + else + RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MAX_CHANNEL_TIME); + } + + if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE) || + (ScanType == SCAN_CISCO_ACTIVE)) + { + NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory + if (NStatus != NDIS_STATUS_SUCCESS) + { + DBGPRINT(RT_DEBUG_TRACE, ("SYNC - ScanNextChannel() allocate memory fail\n")); +#ifdef CONFIG_STA_SUPPORT + IF_DEV_CONFIG_OPMODE_ON_STA(pAd) + { + pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE; + Status = MLME_FAIL_NO_RESOURCE; + MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status); + } +#endif // CONFIG_STA_SUPPORT // + + return; + } + + // There is no need to send broadcast probe request if active scan is in effect. + if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE) + ) + SsidLen = pAd->MlmeAux.SsidLen; + else + SsidLen = 0; + + MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR); + MakeOutgoingFrame(pOutBuffer, &FrameLen, + sizeof(HEADER_802_11), &Hdr80211, + 1, &SsidIe, + 1, &SsidLen, + SsidLen, pAd->MlmeAux.Ssid, + 1, &SupRateIe, + 1, &pAd->CommonCfg.SupRateLen, + pAd->CommonCfg.SupRateLen, pAd->CommonCfg.SupRate, + END_OF_ARGS); + + if (pAd->CommonCfg.ExtRateLen) + { + ULONG Tmp; + MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp, + 1, &ExtRateIe, + 1, &pAd->CommonCfg.ExtRateLen, + pAd->CommonCfg.ExtRateLen, pAd->CommonCfg.ExtRate, + END_OF_ARGS); + FrameLen += Tmp; + } + +#ifdef DOT11_N_SUPPORT + if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) + { + ULONG Tmp; + UCHAR HtLen; + UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33}; +#ifdef RT_BIG_ENDIAN + HT_CAPABILITY_IE HtCapabilityTmp; +#endif + if (pAd->bBroadComHT == TRUE) + { + HtLen = pAd->MlmeAux.HtCapabilityLen + 4; +#ifdef RT_BIG_ENDIAN + NdisMoveMemory(&HtCapabilityTmp, &pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE); + *(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo)); + *(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo)); + + MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp, + 1, &WpaIe, + 1, &HtLen, + 4, &BROADCOM[0], + pAd->MlmeAux.HtCapabilityLen, &HtCapabilityTmp, + END_OF_ARGS); +#else + MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp, + 1, &WpaIe, + 1, &HtLen, + 4, &BROADCOM[0], + pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability, + END_OF_ARGS); +#endif // RT_BIG_ENDIAN // + } + else + { + HtLen = pAd->MlmeAux.HtCapabilityLen; +#ifdef RT_BIG_ENDIAN + NdisMoveMemory(&HtCapabilityTmp, &pAd->CommonCfg.HtCapability, SIZE_HT_CAP_IE); + *(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo)); + *(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo)); + + MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp, + 1, &HtCapIe, + 1, &HtLen, + HtLen, &HtCapabilityTmp, + END_OF_ARGS); +#else + MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp, + 1, &HtCapIe, + 1, &HtLen, + HtLen, &pAd->CommonCfg.HtCapability, + END_OF_ARGS); +#endif // RT_BIG_ENDIAN // + } + FrameLen += Tmp; + +#ifdef DOT11N_DRAFT3 + if (pAd->CommonCfg.BACapability.field.b2040CoexistScanSup == 1) + { + ULONG Tmp; + HtLen = 1; + MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp, + 1, &ExtHtCapIe, + 1, &HtLen, + 1, &pAd->CommonCfg.BSSCoexist2040.word, + END_OF_ARGS); + + FrameLen += Tmp; + } +#endif // DOT11N_DRAFT3 // + } +#endif // DOT11_N_SUPPORT // + + + MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen); + MlmeFreeMemory(pAd, pOutBuffer); + } + + // For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse + +#ifdef CONFIG_STA_SUPPORT + IF_DEV_CONFIG_OPMODE_ON_STA(pAd) + pAd->Mlme.SyncMachine.CurrState = SCAN_LISTEN; +#endif // CONFIG_STA_SUPPORT // + + } +} + +VOID MgtProbReqMacHeaderInit( + IN PRTMP_ADAPTER pAd, + IN OUT PHEADER_802_11 pHdr80211, + IN UCHAR SubType, + IN UCHAR ToDs, + IN PUCHAR pDA, + IN PUCHAR pBssid) +{ + NdisZeroMemory(pHdr80211, sizeof(HEADER_802_11)); + + pHdr80211->FC.Type = BTYPE_MGMT; + pHdr80211->FC.SubType = SubType; + if (SubType == SUBTYPE_ACK) + pHdr80211->FC.Type = BTYPE_CNTL; + pHdr80211->FC.ToDs = ToDs; + COPY_MAC_ADDR(pHdr80211->Addr1, pDA); + COPY_MAC_ADDR(pHdr80211->Addr2, pAd->CurrentAddress); + COPY_MAC_ADDR(pHdr80211->Addr3, pBssid); +} + + |