diff options
Diffstat (limited to 'drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c')
-rw-r--r-- | drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c | 1732 |
1 files changed, 0 insertions, 1732 deletions
diff --git a/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c deleted file mode 100644 index f7a9da3ec829..000000000000 --- a/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c +++ /dev/null @@ -1,1732 +0,0 @@ - -//As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08 -#include "ieee80211.h" -#include "rtl819x_HT.h" -u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -u16 MCS_DATA_RATE[2][2][77] = - { { {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260, - 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520, - 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195, - 195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260, - 286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429}, // Long GI, 20MHz - {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289, - 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578, - 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217, - 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289, - 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} }, // Short GI, 20MHz - { {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540, - 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080, - 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405, - 405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540, - 594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, // Long GI, 40MHz - {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600, - 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200, - 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450, - 450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600, - 660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } // Short GI, 40MHz - }; - -static const u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; -static const u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; -static const u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; -//static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f}; -static const u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; -static const u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; -static const u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; -static const u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; -static const u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; -static const u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0}; -static const u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; -static const u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4}; - -// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the -// code in other place?? -//static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96}; -/******************************************************************************************************************** - *function: This function update default settings in pHTInfo structure - * input: PRT_HIGH_THROUGHPUT pHTInfo - * output: none - * return: none - * notice: These value need be modified if any changes. - * *****************************************************************************************************************/ -void HTUpdateDefaultSetting(struct ieee80211_device* ieee) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - - // ShortGI support - pHTInfo->bRegShortGI20MHz= 1; - pHTInfo->bRegShortGI40MHz= 1; - - // 40MHz channel support - pHTInfo->bRegBW40MHz = 1; - - // CCK rate support in 40MHz channel - if(pHTInfo->bRegBW40MHz) - pHTInfo->bRegSuppCCK = 1; - else - pHTInfo->bRegSuppCCK = true; - - // AMSDU related - pHTInfo->nAMSDU_MaxSize = 7935UL; - pHTInfo->bAMSDU_Support = 0; - - // AMPDU related - pHTInfo->bAMPDUEnable = 1; - pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k) - pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec - - // MIMO Power Save - pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.) - if(pHTInfo->SelfMimoPs == 2) - pHTInfo->SelfMimoPs = 3; - // 8190 only. Assign rate operation mode to firmware - ieee->bTxDisableRateFallBack = 0; - ieee->bTxUseDriverAssingedRate = 0; - -#ifdef TO_DO_LIST - // 8190 only. Assign duration operation mode to firmware - pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur; -#endif - // 8190 only, Realtek proprietary aggregation mode - // Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others - pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others - - // For Rx Reorder Control - pHTInfo->bRegRxReorderEnable = 1; - pHTInfo->RxReorderWinSize = 64; - pHTInfo->RxReorderPendingTime = 30; - -#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE - pHTInfo->UsbTxAggrNum = 4; -#endif -#ifdef USB_RX_AGGREGATION_SUPPORT - pHTInfo->UsbRxFwAggrEn = 1; - pHTInfo->UsbRxFwAggrPageNum = 24; - pHTInfo->UsbRxFwAggrPacketNum = 8; - pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us -#endif - - -} -/******************************************************************************************************************** - *function: This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq) - * input: u8* CapIE //Capability IE to be printed out - * u8* TitleString //mainly print out caller function - * output: none - * return: none - * notice: Driver should not print out this message by default. - * *****************************************************************************************************************/ -void HTDebugHTCapability(u8* CapIE, u8* TitleString ) -{ - - static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily - PHT_CAPABILITY_ELE pCapELE; - - if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) - { - //EWC IE - IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); - pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]); - }else - pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]); - - IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString ); - - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz"); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO"); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO"); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO"); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935"); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO"); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\ - pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]); -} -/******************************************************************************************************************** - *function: This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp) - * input: u8* InfoIE //Capability IE to be printed out - * u8* TitleString //mainly print out caller function - * output: none - * return: none - * notice: Driver should not print out this message by default. - * *****************************************************************************************************************/ -void HTDebugHTInfo(u8* InfoIE, u8* TitleString) -{ - - static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily - PHT_INFORMATION_ELE pHTInfoEle; - - if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) - { - // Not EWC IE - IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); - pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]); - }else - pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]); - - - IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString); - - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl); - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel ="); - switch(pHTInfoEle->ExtChlOffset) - { - case 0: - IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n"); - break; - case 1: - IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n"); - break; - case 2: - IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n"); - break; - case 3: - IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n"); - break; - } - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz"); - - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = "); - switch(pHTInfoEle->OptMode) - { - case 0: - IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n"); - break; - case 1: - IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n"); - break; - case 2: - IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n"); - break; - case 3: - IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n"); - break; - } - - IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\ - pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]); -} - -/* -* Return: true if station in half n mode and AP supports 40 bw -*/ -bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee) -{ - bool retValue = false; - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - - if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode - retValue = false; - else if(pHTInfo->bRegBW40MHz == false) // station supports 40 bw - retValue = false; - else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee)) // station in half n mode - retValue = false; - else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw - retValue = true; - else - retValue = false; - - return retValue; -} - -bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz) -{ - bool retValue = false; - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - - if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode - retValue = false; - else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee)) // station in half n mode - retValue = false; - else if(is40MHz) // ap support 40 bw - { - if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI - retValue = true; - else - retValue = false; - } - else - { - if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI - retValue = true; - else - retValue = false; - } - - return retValue; -} - -u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee, u8 nMcsRate) -{ - - u8 is40MHz; - u8 isShortGI; - - is40MHz = (IsHTHalfNmode40Bandwidth(ieee))?1:0; - isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0; - - return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; -} - - -u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - - u8 is40MHz = (pHTInfo->bCurBW40MHz)?1:0; - u8 isShortGI = (pHTInfo->bCurBW40MHz)? - ((pHTInfo->bCurShortGI40MHz)?1:0): - ((pHTInfo->bCurShortGI20MHz)?1:0); - return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; -} - -/******************************************************************************************************************** - *function: This function returns current datarate. - * input: struct ieee80211_device* ieee - * u8 nDataRate - * output: none - * return: tx rate - * notice: quite unsure about how to use this function //wb - * *****************************************************************************************************************/ -u16 TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate) -{ - //PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - u16 CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c}; - u8 is40MHz = 0; - u8 isShortGI = 0; - - if(nDataRate < 12) - { - return CCKOFDMRate[nDataRate]; - } - else - { - if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 ) - { - is40MHz = 0; - isShortGI = 0; - - // nDataRate = nDataRate - 12; - } - else if(nDataRate >=0x20 && nDataRate <= 0x2f ) //(27, 44) - { - is40MHz = 1; - isShortGI = 0; - - //nDataRate = nDataRate - 28; - } - else if(nDataRate >= 0x30 && nDataRate <= 0x3f ) //(43, 60) - { - is40MHz = 0; - isShortGI = 1; - - //nDataRate = nDataRate - 44; - } - else if(nDataRate >= 0x40 && nDataRate <= 0x4f ) //(59, 76) - { - is40MHz = 1; - isShortGI = 1; - - //nDataRate = nDataRate - 60; - } - return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; - } -} - - - -bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee) -{ - bool retValue = false; - struct ieee80211_network* net = &ieee->current_network; -#if 0 - if(ieee->bHalfNMode == false) - retValue = false; - else -#endif - if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || - (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || - (memcmp(net->bssid, PCI_RALINK, 3)==0) || - (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || - (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || - (net->ralink_cap_exist)) - retValue = true; - else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || - (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| - (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)|| - //(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) || - (net->broadcom_cap_exist)) - retValue = true; - else if(net->bssht.bdRT2RTAggregation) - retValue = true; - else - retValue = false; - - return retValue; -} - -/******************************************************************************************************************** - *function: This function returns peer IOT. - * input: struct ieee80211_device* ieee - * output: none - * return: - * notice: - * *****************************************************************************************************************/ -void HTIOTPeerDetermine(struct ieee80211_device* ieee) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - struct ieee80211_network* net = &ieee->current_network; - if(net->bssht.bdRT2RTAggregation) - pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; - else if(net->broadcom_cap_exist){ - pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; - } - else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || - (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| - (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)){//|| - //(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ){ - pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; - } - else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || - (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || - (memcmp(net->bssid, PCI_RALINK, 3)==0) || - (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || - (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || - net->ralink_cap_exist) - pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; - else if((net->atheros_cap_exist )|| (memcmp(net->bssid, DLINK_ATHEROS, 3) == 0)) - pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; - else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0) - pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; - else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || - net->marvell_cap_exist){ - pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; - } - else - pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; - - IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer); -} -/******************************************************************************************************************** - *function: Check whether driver should declare received rate up to MCS13 only since some chipset is not good - * at receiving MCS14~15 frame from some AP. - * input: struct ieee80211_device* ieee - * u8 * PeerMacAddr - * output: none - * return: return 1 if driver should declare MCS13 only(otherwise return 0) - * *****************************************************************************************************************/ -u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr) -{ - u8 ret = 0; -#if 0 - // Apply for 819u only -#if (HAL_CODE_BASE==RTL8192 && DEV_BUS_TYPE==USB_INTERFACE) - if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) || - (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) - ) - { - ret = 1; - } - - - if(pHTInfo->bCurrentRT2RTAggregation) - { - // The parameter of pHTInfo->bCurrentRT2RTAggregation must be decided previously - ret = 1; - } -#endif -#endif - return ret; - } - -u8 HTIOTActIsForcedCTS2Self(struct ieee80211_device *ieee, struct ieee80211_network *network) -{ - u8 retValue = 0; - //if(network->marvell_cap_exist) - if(ieee->pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL) - { - retValue = 1; - } - - return retValue; -} - - -/** -* Function: HTIOTActIsDisableMCS15 -* -* Overview: Check whether driver should declare capability of receiving MCS15 -* -* Input: -* PADAPTER Adapter, -* -* Output: None -* Return: true if driver should disable MCS15 -* 2008.04.15 Emily -*/ -bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee) -{ - bool retValue = false; - -#ifdef TODO - // Apply for 819u only -#if (HAL_CODE_BASE==RTL8192) - -#if (DEV_BUS_TYPE == USB_INTERFACE) - // Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15 - retValue = true; -#elif (DEV_BUS_TYPE == PCI_INTERFACE) - // Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12 -// if(pBssDesc->bCiscoCapExist) -// retValue = false; -// else - retValue = false; -#endif -#endif -#endif - // Jerry Chang suggest that 8190 1x2 does not need to disable MCS15 - - return retValue; -} - -/** -* Function: HTIOTActIsDisableMCSTwoSpatialStream -* -* Overview: Check whether driver should declare capability of receiving All 2 ss packets -* -* Input: -* PADAPTER Adapter, -* -* Output: None -* Return: true if driver should disable all two spatial stream packet -* 2008.04.21 Emily -*/ -bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee, u8 *PeerMacAddr) -{ - bool retValue = false; - -#ifdef TODO - // Apply for 819u only -//#if (HAL_CODE_BASE==RTL8192) - - //This rule only apply to Belkin(Ralink) AP - if(IS_UNDER_11N_AES_MODE(Adapter)) - { - if((PlatformCompareMemory(PeerMacAddr, BELKINF5D8233V1_RALINK, 3)==0) || - (PlatformCompareMemory(PeerMacAddr, PCI_RALINK, 3)==0) || - (PlatformCompareMemory(PeerMacAddr, EDIMAX_RALINK, 3)==0)) - { - //Set True to disable this function. Disable by default, Emily, 2008.04.23 - retValue = false; - } - } - -//#endif -#endif - return retValue; -} - -/******************************************************************************************************************** - *function: Check whether driver should disable EDCA turbo mode - * input: struct ieee80211_device* ieee - * u8* PeerMacAddr - * output: none - * return: return 1 if driver should disable EDCA turbo mode(otherwise return 0) - * *****************************************************************************************************************/ -u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* ieee, u8* PeerMacAddr) -{ - u8 retValue = false; // default enable EDCA Turbo mode. - // Set specific EDCA parameter for different AP in DM handler. - - return retValue; -#if 0 - if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0)|| - (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| - (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)|| - (memcmp(PeerMacAddr, NETGEAR834Bv2_BROADCOM, 3)==0)) - - { - retValue = 1; //Linksys disable EDCA turbo mode - } - - return retValue; -#endif -} - -/******************************************************************************************************************** - *function: Check whether we need to use OFDM to sned MGNT frame for broadcom AP - * input: struct ieee80211_network *network //current network we live - * output: none - * return: return 1 if true - * *****************************************************************************************************************/ -u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network) -{ - u8 retValue = 0; - - // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP. - // 2008/01/28 MH We must prevent that we select null bssid to link. - - if(network->broadcom_cap_exist) - { - retValue = 1; - } - - return retValue; -} - -u8 HTIOTActIsCCDFsync(u8* PeerMacAddr) -{ - u8 retValue = 0; - if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) || - (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) || - (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0)) - { - retValue = 1; - } - - return retValue; -} - -// -// Send null data for to tell AP that we are awake. -// -bool -HTIOTActIsNullDataPowerSaving(struct ieee80211_device* ieee,struct ieee80211_network *network) -{ - bool retValue = false; - - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - { - if(pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) // ||(pBssDesc->Vender == HT_IOT_PEER_ATHEROS && pBssDesc->SubTypeOfVender == HT_IOT_PEER_ATHEROS_DIR635)) - return true; - - } - return retValue; -} - -void HTResetIOTSetting( - PRT_HIGH_THROUGHPUT pHTInfo -) -{ - pHTInfo->IOTAction = 0; - pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; -} - - -/******************************************************************************************************************** - *function: Construct Capablility Element in Beacon... if HTEnable is turned on - * input: struct ieee80211_device* ieee - * u8* posHTCap //pointer to store Capability Ele - * u8* len //store length of CE - * u8 IsEncrypt //whether encrypt, needed further - * output: none - * return: none - * notice: posHTCap can't be null and should be initialized before. - * *****************************************************************************************************************/ -void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt) -{ - PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; - PHT_CAPABILITY_ELE pCapELE = NULL; - //u8 bIsDeclareMCS13; - - if ((posHTCap == NULL) || (pHT == NULL)) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n"); - return; - } - memset(posHTCap, 0, *len); - if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) - { - u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily - memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); - pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]); - }else - { - pCapELE = (PHT_CAPABILITY_ELE)posHTCap; - } - - - //HT capability info - pCapELE->AdvCoding = 0; // This feature is not supported now!! - if (ieee->GetHalfNmodeSupportByAPsHandler(ieee)) - { - pCapELE->ChlWidth = 0; - } - else - { - pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0); - } - -// pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0); - pCapELE->MimoPwrSave = pHT->SelfMimoPs; - pCapELE->GreenField = 0; // This feature is not supported now!! - pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!! - pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!! - //DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r", - //pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz); - pCapELE->TxSTBC = 1; - pCapELE->RxSTBC = 0; - pCapELE->DelayBA = 0; // Do not support now!! - pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0; - pCapELE->DssCCk = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0); - pCapELE->PSMP = 0; // Do not support now!! - pCapELE->LSigTxopProtect = 0; // Do not support now!! - - - //MAC HT parameters info - // TODO: Nedd to take care of this part - IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); - - if( IsEncrypt) - { - pCapELE->MPDUDensity = 7; // 8us - pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K - } - else - { - pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K - pCapELE->MPDUDensity = 0; // no density - } - - //Supported MCS set - memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); - if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) - pCapELE->MCS[1] &= 0x7f; - - if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) - pCapELE->MCS[1] &= 0xbf; - - if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) - pCapELE->MCS[1] &= 0x00; - - // 2008.06.12 - // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7. - if (ieee->GetHalfNmodeSupportByAPsHandler(ieee)) - { - int i; - for(i = 1; i< 16; i++) - pCapELE->MCS[i] = 0; - } - - //Extended HT Capability Info - memset(&pCapELE->ExtHTCapInfo, 0, 2); - - - //TXBF Capabilities - memset(pCapELE->TxBFCap, 0, 4); - - //Antenna Selection Capabilities - pCapELE->ASCap = 0; -//add 2 to give space for element ID and len when construct frames - if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) - *len = 30 + 2; - else - *len = 26 + 2; -} -/******************************************************************************************************************** - *function: Construct Information Element in Beacon... if HTEnable is turned on - * input: struct ieee80211_device* ieee - * u8* posHTCap //pointer to store Information Ele - * u8* len //store len of - * u8 IsEncrypt //whether encrypt, needed further - * output: none - * return: none - * notice: posHTCap can't be null and be initialized before. only AP and IBSS sta should do this - * *****************************************************************************************************************/ -void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt) -{ - PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; - PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo; - if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n"); - return; - } - - memset(posHTInfo, 0, *len); - if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported - { - pHTInfoEle->ControlChl = ieee->current_network.channel; - pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT: - (ieee->current_network.channel<=6)? - HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER); - pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; - pHTInfoEle->RIFS = 0; - pHTInfoEle->PSMPAccessOnly = 0; - pHTInfoEle->SrvIntGranularity = 0; - pHTInfoEle->OptMode = pHT->CurrentOpMode; - pHTInfoEle->NonGFDevPresent = 0; - pHTInfoEle->DualBeacon = 0; - pHTInfoEle->SecondaryBeacon = 0; - pHTInfoEle->LSigTxopProtectFull = 0; - pHTInfoEle->PcoActive = 0; - pHTInfoEle->PcoPhase = 0; - - memset(pHTInfoEle->BasicMSC, 0, 16); - - - *len = 22 + 2; //same above - - } - else - { - //STA should not generate High Throughput Information Element - *len = 0; - } -} - -/* - * According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance - * if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2 - * (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set - * limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP - * will be much less than the traffic stream from AP to STA if both of the stream runs concurrently - * at the same time. - * - * Frame Format - * Element ID Length OUI Type1 Reserved - * 1 byte 1 byte 3 bytes 1 byte 1 byte - * - * OUI = 0x00, 0xe0, 0x4c, - * Type = 0x02 - * Reserved = 0x00 - * - * 2007.8.21 by Emily -*/ -/******************************************************************************************************************** - *function: Construct Information Element in Beacon... in RT2RT condition - * input: struct ieee80211_device* ieee - * u8* posRT2RTAgg //pointer to store Information Ele - * u8* len //store len - * output: none - * return: none - * notice: - * *****************************************************************************************************************/ -void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len) -{ - if (posRT2RTAgg == NULL) { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n"); - return; - } - memset(posRT2RTAgg, 0, *len); - *posRT2RTAgg++ = 0x00; - *posRT2RTAgg++ = 0xe0; - *posRT2RTAgg++ = 0x4c; - *posRT2RTAgg++ = 0x02; - *posRT2RTAgg++ = 0x01; - *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02; - - if(ieee->bSupportRemoteWakeUp) { - *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW; - } - - *len = 6 + 2; - return; -#ifdef TODO -#if(HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE) - /* - //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this - section of code. - if(IS_UNDER_11N_AES_MODE(Adapter)) - { - posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU; - }else - { - posRT2RTAgg->Octet[5] &= 0xfb; - } - */ - -#else - // Do Nothing -#endif - - posRT2RTAgg->Length = 6; -#endif - - - - -} - - -/******************************************************************************************************************** - *function: Pick the right Rate Adaptive table to use - * input: struct ieee80211_device* ieee - * u8* pOperateMCS //A pointer to MCS rate bitmap - * return: always we return true - * notice: - * *****************************************************************************************************************/ -u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS) -{ - u8 i; - if (pOperateMCS == NULL) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n"); - return false; - } - - switch(ieee->mode) - { - case IEEE_A: - case IEEE_B: - case IEEE_G: - //legacy rate routine handled at selectedrate - - //no MCS rate - for(i=0;i<=15;i++){ - pOperateMCS[i] = 0; - } - break; - - case IEEE_N_24G: //assume CCK rate ok - case IEEE_N_5G: - // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G. - // Legacy part shall be handled at SelectRateSet(). - - //HT part - // TODO: may be different if we have different number of antenna - pOperateMCS[0] &=RATE_ADPT_1SS_MASK; //support MCS 0~7 - pOperateMCS[1] &=RATE_ADPT_2SS_MASK; - pOperateMCS[3] &=RATE_ADPT_MCS32_MASK; - break; - - //should never reach here - default: - - break; - - } - - return true; -} - -/* -* Description: -* This function will get the highest speed rate in input MCS set. -* -* /param Adapter Pionter to Adapter entity -* pMCSRateSet Pointer to MCS rate bitmap -* pMCSFilter Pointer to MCS rate filter -* -* /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter. -* -*/ -/******************************************************************************************************************** - *function: This function will get the highest speed rate in input MCS set. - * input: struct ieee80211_device* ieee - * u8* pMCSRateSet //Pointer to MCS rate bitmap - * u8* pMCSFilter //Pointer to MCS rate filter - * return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter - * notice: - * *****************************************************************************************************************/ -u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter) -{ - u8 i, j; - u8 bitMap; - u8 mcsRate = 0; - u8 availableMcsRate[16]; - if (pMCSRateSet == NULL || pMCSFilter == NULL) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n"); - return false; - } - for(i=0; i<16; i++) - availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; - - for(i = 0; i < 16; i++) - { - if(availableMcsRate[i] != 0) - break; - } - if(i == 16) - return false; - - for(i = 0; i < 16; i++) - { - if(availableMcsRate[i] != 0) - { - bitMap = availableMcsRate[i]; - for(j = 0; j < 8; j++) - { - if((bitMap%2) != 0) - { - if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate)) - mcsRate = (8*i+j); - } - bitMap = bitMap>>1; - } - } - } - return (mcsRate|0x80); -} - - - -/* -** -**1.Filter our operation rate set with AP's rate set -**2.shall reference channel bandwidth, STBC, Antenna number -**3.generate rate adative table for firmware -**David 20060906 -** -** \pHTSupportedCap: the connected STA's supported rate Capability element -*/ -u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS) -{ - - u8 i=0; - - // filter out operational rate set not supported by AP, the lenth of it is 16 - for(i=0;i<=15;i++){ - pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i]; - } - - - // TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number - - // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet - // we also shall suggested the first start rate set according to our singal strength - HT_PickMCSRate(ieee, pOperateMCS); - - // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7. - if (ieee->GetHalfNmodeSupportByAPsHandler(ieee)) - pOperateMCS[1] = 0; - - // - // For RTL819X, we support only MCS0~15. - // And also, we do not know how to use MCS32 now. - // - for(i=2; i<=15; i++) - pOperateMCS[i] = 0; - - return true; -} -void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset); -void HTOnAssocRsp(struct ieee80211_device *ieee) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - PHT_CAPABILITY_ELE pPeerHTCap = NULL; - PHT_INFORMATION_ELE pPeerHTInfo = NULL; - u16 nMaxAMSDUSize = 0; - u8* pMcsFilter = NULL; - - static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily - static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily - - if( pHTInfo->bCurrentHTSupport == false ) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n"); - return; - } - IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n"); -// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE)); -// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE)); - -// HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq"); -// HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq"); - // - if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap))) - pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]); - else - pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf); - - if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) - pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]); - else - pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf); - - - //////////////////////////////////////////////////////// - // Configurations: - //////////////////////////////////////////////////////// - IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE)); -// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE)); - // Config Supported Channel Width setting - // - HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset)); - -// if(pHTInfo->bCurBW40MHz == true) - pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false); - - // - // Update short GI/ long GI setting - // - // TODO: - pHTInfo->bCurShortGI20MHz= - ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false); - pHTInfo->bCurShortGI40MHz= - ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false); - - // - // Config TX STBC setting - // - // TODO: - - // - // Config DSSS/CCK mode in 40MHz mode - // - // TODO: - pHTInfo->bCurSuppCCK = - ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false); - - - // - // Config and configure A-MSDU setting - // - pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; - if (ieee->rtllib_ap_sec_type && - (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))){ - if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) || - (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) ) - pHTInfo->bCurrentAMPDUEnable = false; - } - - - nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935; - - if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize ) - pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; - else - pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; - - - // - // Config A-MPDU setting - // - pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; - - // <1> Decide AMPDU Factor - - // By Emily - if(!pHTInfo->bRegRT2RTAggregation) - { - // Decide AMPDU Factor according to protocol handshake - if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) - pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; - else - pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; - - }else - { - // Set MPDU density to 2 to Realtek AP, and set it to 0 for others - // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily -#if 0 - osTmp= PacketGetElement( asocpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE); - if(osTmp.Length >= 5) //00:e0:4c:02:00 -#endif - if (ieee->current_network.bssht.bdRT2RTAggregation) - { - if( ieee->pairwise_key_type != KEY_TYPE_NA) - // Realtek may set 32k in security mode and 64k for others - pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; - else - pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; - }else - { - if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) - pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; - else - pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; - } - } - - // <2> Set AMPDU Minimum MPDU Start Spacing - // 802.11n 3.0 section 9.7d.3 -#if 1 - if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) - pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; - else - pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; - if(ieee->pairwise_key_type != KEY_TYPE_NA ) - pHTInfo->CurrentMPDUDensity = 7; // 8us -#else - if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) - pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; - else - pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; -#endif - // Force TX AMSDU - - // Lanhsin: mark for tmp to avoid deauth by ap from s3 - //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0) - if(0) - { - - pHTInfo->bCurrentAMPDUEnable = false; - pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; - pHTInfo->ForcedAMSDUMaxSize = 7935; - - pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K; - } - - // Rx Reorder Setting - pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; - - // - // Filter out unsupported HT rate for this AP - // Update RATR table - // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism. - // - - // Handle Ralink AP bad MCS rate set condition. Joseph. - // This fix the bug of Ralink AP. This may be removed in the future. - if(pPeerHTCap->MCS[0] == 0) - pPeerHTCap->MCS[0] = 0xff; - - HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); - - // - // Config MIMO Power Save setting - // - pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; - if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC) - pMcsFilter = MCS_FILTER_1SS; - else - pMcsFilter = MCS_FILTER_ALL; - //WB add for MCS8 bug -// pMcsFilter = MCS_FILTER_1SS; - ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter); - ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; - - // - // Config current operation mode. - // - pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; - - - -} - -void HTSetConnectBwModeCallback(struct ieee80211_device* ieee); -/******************************************************************************************************************** - *function: initialize HT info(struct PRT_HIGH_THROUGHPUT) - * input: struct ieee80211_device* ieee - * output: none - * return: none - * notice: This function is called when * (1) MPInitialization Phase * (2) Receiving of Deauthentication from AP -********************************************************************************************************************/ -// TODO: Should this funciton be called when receiving of Disassociation? -void HTInitializeHTInfo(struct ieee80211_device* ieee) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - - // - // These parameters will be reset when receiving deauthentication packet - // - IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__); - pHTInfo->bCurrentHTSupport = false; - - // 40MHz channel support - pHTInfo->bCurBW40MHz = false; - pHTInfo->bCurTxBW40MHz = false; - - // Short GI support - pHTInfo->bCurShortGI20MHz = false; - pHTInfo->bCurShortGI40MHz = false; - pHTInfo->bForcedShortGI = false; - - // CCK rate support - // This flag is set to true to support CCK rate by default. - // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to - // 11N BSS. - pHTInfo->bCurSuppCCK = true; - - // AMSDU related - pHTInfo->bCurrent_AMSDU_Support = false; - pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; - - // AMPUD related - pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; - pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; - - - - // Initialize all of the parameters related to 11n - memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap)); - memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo)); - memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf)); - memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf)); - - pHTInfo->bSwBwInProgress = false; - pHTInfo->ChnlOp = CHNLOP_NONE; - - // Set default IEEE spec for Draft N - pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; - - // Realtek proprietary aggregation mode - pHTInfo->bCurrentRT2RTAggregation = false; - pHTInfo->bCurrentRT2RTLongSlotTime = false; - pHTInfo->IOTPeer = 0; - pHTInfo->IOTAction = 0; - - //MCS rate initialized here - { - u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); - RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7 - RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15 - RegHTSuppRateSets[4] = 0x01; //support MCS 32 - } -} -/******************************************************************************************************************** - *function: initialize Bss HT structure(struct PBSS_HT) - * input: PBSS_HT pBssHT //to be initialized - * output: none - * return: none - * notice: This function is called when initialize network structure -********************************************************************************************************************/ -void HTInitializeBssDesc(PBSS_HT pBssHT) -{ - - pBssHT->bdSupportHT = false; - memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); - pBssHT->bdHTCapLen = 0; - memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); - pBssHT->bdHTInfoLen = 0; - - pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE; - - pBssHT->bdRT2RTAggregation = false; - pBssHT->bdRT2RTLongSlotTime = false; -} -#if 0 -//below function has merged into ieee80211_network_init() in ieee80211_rx.c -void -HTParsingHTCapElement( - IN PADAPTER Adapter, - IN OCTET_STRING HTCapIE, - OUT PRT_WLAN_BSS pBssDesc -) -{ - PMGNT_INFO pMgntInfo = &Adapter->MgntInfo; - - if( HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf) ) - { - RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTCapElement(): HT Capability Element length is too long!\n") ); - return; - } - - // TODO: Check the correctness of HT Cap - //Print each field in detail. Driver should not print out this message by default - if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc) - HTDebugHTCapability(DBG_TRACE, Adapter, &HTCapIE, (pu8)"HTParsingHTCapElement()"); - - HTCapIE.Length = HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf)?\ - sizeof(pBssDesc->BssHT.bdHTCapBuf):HTCapIE.Length; //prevent from overflow - - CopyMem(pBssDesc->BssHT.bdHTCapBuf, HTCapIE.Octet, HTCapIE.Length); - pBssDesc->BssHT.bdHTCapLen = HTCapIE.Length; - -} - - -void -HTParsingHTInfoElement( - PADAPTER Adapter, - OCTET_STRING HTInfoIE, - PRT_WLAN_BSS pBssDesc -) -{ - PMGNT_INFO pMgntInfo = &Adapter->MgntInfo; - - if( HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf)) - { - RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTInfoElement(): HT Information Element length is too long!\n") ); - return; - } - - // TODO: Check the correctness of HT Info - //Print each field in detail. Driver should not print out this message by default - if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc) - HTDebugHTInfo(DBG_TRACE, Adapter, &HTInfoIE, (pu8)"HTParsingHTInfoElement()"); - - HTInfoIE.Length = HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf)?\ - sizeof(pBssDesc->BssHT.bdHTInfoBuf):HTInfoIE.Length; //prevent from overflow - - CopyMem( pBssDesc->BssHT.bdHTInfoBuf, HTInfoIE.Octet, HTInfoIE.Length); - pBssDesc->BssHT.bdHTInfoLen = HTInfoIE.Length; -} - -/* - * Get HT related information from beacon and save it in BssDesc - * - * (1) Parse HTCap, and HTInfo, and record whether it is 11n AP - * (2) If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT() - * (3) Check whether peer is Realtek AP (for Realtek proprietary aggregation mode). - * Input: - * PADAPTER Adapter - * - * Output: - * PRT_TCB BssDesc - * -*/ -void HTGetValueFromBeaconOrProbeRsp( - PADAPTER Adapter, - POCTET_STRING pSRCmmpdu, - PRT_WLAN_BSS bssDesc -) -{ - PMGNT_INFO pMgntInfo = &Adapter->MgntInfo; - PRT_HIGH_THROUGHPUT pHTInfo = GET_HT_INFO(pMgntInfo); - OCTET_STRING HTCapIE, HTInfoIE, HTRealtekAgg, mmpdu; - OCTET_STRING BroadcomElement, CiscoElement; - - mmpdu.Octet = pSRCmmpdu->Octet; - mmpdu.Length = pSRCmmpdu->Length; - - //2Note: - // Mark for IOT testing using Linksys WRT350N, This AP does not contain WMM IE when - // it is configured at pure-N mode. - // if(bssDesc->BssQos.bdQoSMode & QOS_WMM) - // - - HTInitializeBssDesc (&bssDesc->BssHT); - - //2<1> Parse HTCap, and HTInfo - // Get HT Capability IE: (1) Get IEEE Draft N IE or (2) Get EWC IE - HTCapIE = PacketGetElement(mmpdu, EID_HTCapability, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE); - if(HTCapIE.Length == 0) - { - HTCapIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_CAP, OUI_SUBTYPE_DONT_CARE); - if(HTCapIE.Length != 0) - bssDesc->BssHT.bdHTSpecVer= HT_SPEC_VER_EWC; - } - if(HTCapIE.Length != 0) - HTParsingHTCapElement(Adapter, HTCapIE, bssDesc); - - // Get HT Information IE: (1) Get IEEE Draft N IE or (2) Get EWC IE - HTInfoIE = PacketGetElement(mmpdu, EID_HTInfo, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE); - if(HTInfoIE.Length == 0) - { - HTInfoIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_INFO, OUI_SUBTYPE_DONT_CARE); - if(HTInfoIE.Length != 0) - bssDesc->BssHT.bdHTSpecVer = HT_SPEC_VER_EWC; - } - if(HTInfoIE.Length != 0) - HTParsingHTInfoElement(Adapter, HTInfoIE, bssDesc); - - //2<2>If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT() - if(HTCapIE.Length != 0) - { - bssDesc->BssHT.bdSupportHT = true; - if(bssDesc->BssQos.bdQoSMode == QOS_DISABLE) - QosSetLegacyWMMParamWithHT(Adapter, bssDesc); - } - else - { - bssDesc->BssHT.bdSupportHT = false; - } - - //2<3>Check whether the peer is Realtek AP/STA - if(pHTInfo->bRegRT2RTAggregation) - { - if(bssDesc->BssHT.bdSupportHT) - { - HTRealtekAgg = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE); - if(HTRealtekAgg.Length >=5 ) - { - bssDesc->BssHT.bdRT2RTAggregation = true; - - if((HTRealtekAgg.Octet[4]==1) && (HTRealtekAgg.Octet[5] & 0x02)) - bssDesc->BssHT.bdRT2RTLongSlotTime = true; - } - } - } - - // - // 2008/01/25 MH Get Broadcom AP IE for manamgent frame CCK rate problem. - // AP can not receive CCK managemtn from from 92E. - // - - // Initialize every new bss broadcom cap exist as false.. - bssDesc->bBroadcomCapExist= false; - - if(HTCapIE.Length != 0 || HTInfoIE.Length != 0) - { - u4Byte Length = 0; - - FillOctetString(BroadcomElement, NULL, 0); - - BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_1, OUI_SUBTYPE_DONT_CARE); - Length += BroadcomElement.Length; - BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_2, OUI_SUBTYPE_DONT_CARE); - Length += BroadcomElement.Length; - BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_3, OUI_SUBTYPE_DONT_CARE); - Length += BroadcomElement.Length; - - if(Length > 0) - bssDesc->bBroadcomCapExist = true; - } - - - // For Cisco IOT issue - CiscoElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_CISCO_IE, OUI_SUBTYPE_DONT_CARE); - if(CiscoElement.Length != 0){ // 3: 0x00, 0x40, 0x96 .... - bssDesc->bCiscoCapExist = true; - }else{ - bssDesc->bCiscoCapExist = false; - } -} - - -#endif -/******************************************************************************************************************** - *function: initialize Bss HT structure(struct PBSS_HT) - * input: struct ieee80211_device *ieee - * struct ieee80211_network *pNetwork //usually current network we are live in - * output: none - * return: none - * notice: This function should ONLY be called before association -********************************************************************************************************************/ -void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; -// u16 nMaxAMSDUSize; -// PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; -// PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; -// u8* pMcsFilter; - u8 bIOTAction = 0; - - // - // Save Peer Setting before Association - // - IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__); - /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/ -// if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT) - if (pNetwork->bssht.bdSupportHT) - { - pHTInfo->bCurrentHTSupport = true; - pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; - - // Save HTCap and HTInfo information Element - if(pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) - memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen); - - if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf)) - memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen); - - // Check whether RT to RT aggregation mode is enabled - if(pHTInfo->bRegRT2RTAggregation) - { - pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation; - pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime; - } - else - { - pHTInfo->bCurrentRT2RTAggregation = false; - pHTInfo->bCurrentRT2RTLongSlotTime = false; - } - - // Determine the IOT Peer Vendor. - HTIOTPeerDetermine(ieee); - - // Decide IOT Action - // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided - pHTInfo->IOTAction = 0; - bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; - bIOTAction = HTIOTActIsForcedCTS2Self(ieee, pNetwork); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF; - - bIOTAction = HTIOTActIsDisableMCS15(ieee); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; - - bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee, pNetwork->bssid); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; - - - bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; - - bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; - - bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; - - bIOTAction = HTIOTActIsNullDataPowerSaving(ieee, pNetwork); - if(bIOTAction) - pHTInfo->IOTAction |= HT_IOT_ACT_NULL_DATA_POWER_SAVING; - - } - else - { - pHTInfo->bCurrentHTSupport = false; - pHTInfo->bCurrentRT2RTAggregation = false; - pHTInfo->bCurrentRT2RTLongSlotTime = false; - - pHTInfo->IOTAction = 0; - } - -} - -void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; -// PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; - PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; - - if(pHTInfo->bCurrentHTSupport) - { - // - // Config current operation mode. - // - if(pNetwork->bssht.bdHTInfoLen != 0) - pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; - - // - // <TODO: Config according to OBSS non-HT STA present!!> - // - } -} - -void HTUseDefaultSetting(struct ieee80211_device* ieee) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; -// u8 regBwOpMode; - - if(pHTInfo->bEnableHT) - { - pHTInfo->bCurrentHTSupport = true; - - pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; - - pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; - - pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz; - - pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz; - - pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; - - pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; - - pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; - - pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; - - pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity; - - // Set BWOpMode register - - //update RATR index0 - HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet); - //function below is not implemented at all. WB -#ifdef TODO - Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet); -#endif - ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL); - ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; - - } - else - { - pHTInfo->bCurrentHTSupport = false; - } -} -/******************************************************************************************************************** - *function: check whether HT control field exists - * input: struct ieee80211_device *ieee - * u8* pFrame //coming skb->data - * output: none - * return: return true if HT control field exists(false otherwise) - * notice: -********************************************************************************************************************/ -u8 HTCCheck(struct ieee80211_device* ieee, u8* pFrame) -{ - if(ieee->pHTInfo->bCurrentHTSupport) - { - if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) - { - IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n"); - return true; - } - } - return false; -} - -// -// This function set bandwidth mode in protocol layer. -// -void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; -// u32 flags = 0; - - if(pHTInfo->bRegBW40MHz == false) - return; - - - - // To reduce dummy operation -// if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) || -// (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset)) -// return; - -// spin_lock_irqsave(&(ieee->bw_spinlock), flags); - if(pHTInfo->bSwBwInProgress) { -// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); - return; - } - //if in half N mode, set to 20M bandwidth please 09.08.2008 WB. - if (Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee))) - { - // Handle Illegal extension channel offset!! - if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER) - Offset = HT_EXTCHNL_OFFSET_NO_EXT; - if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) { - pHTInfo->bCurBW40MHz = true; - pHTInfo->CurSTAExtChnlOffset = Offset; - } else { - pHTInfo->bCurBW40MHz = false; - pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; - } - } else { - pHTInfo->bCurBW40MHz = false; - pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; - } - - pHTInfo->bSwBwInProgress = true; - - // TODO: 2007.7.13 by Emily Wait 2000ms in order to guarantee that switching - // bandwidth is executed after scan is finished. It is a temporal solution - // because software should ganrantee the last operation of switching bandwidth - // is executed properlly. - HTSetConnectBwModeCallback(ieee); - -// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); -} - -void HTSetConnectBwModeCallback(struct ieee80211_device* ieee) -{ - PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; - - IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__); - - if(pHTInfo->bCurBW40MHz) - { - if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER) - ieee->set_chan(ieee, ieee->current_network.channel+2); - else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER) - ieee->set_chan(ieee, ieee->current_network.channel-2); - else - ieee->set_chan(ieee, ieee->current_network.channel); - - ieee->SetBWModeHandler(ieee, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset); - } else { - ieee->set_chan(ieee, ieee->current_network.channel); - ieee->SetBWModeHandler(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); - } - - pHTInfo->bSwBwInProgress = false; -} |