| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. |
| * |
| * Contact Information: wlanfae <wlanfae@realtek.com> |
| */ |
| #include "rtllib.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}, |
| {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} }, |
| {{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}, |
| {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} } |
| }; |
| |
| static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; |
| |
| static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; |
| |
| static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; |
| |
| static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; |
| |
| static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; |
| |
| static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; |
| |
| static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; |
| |
| static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; |
| |
| static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0}; |
| |
| static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91}; |
| |
| static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; |
| |
| static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4}; |
| |
| void HTUpdateDefaultSetting(struct rtllib_device *ieee) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| |
| pHTInfo->bAcceptAddbaReq = 1; |
| |
| pHTInfo->bRegShortGI20MHz = 1; |
| pHTInfo->bRegShortGI40MHz = 1; |
| |
| pHTInfo->bRegBW40MHz = 1; |
| |
| if (pHTInfo->bRegBW40MHz) |
| pHTInfo->bRegSuppCCK = 1; |
| else |
| pHTInfo->bRegSuppCCK = true; |
| |
| pHTInfo->nAMSDU_MaxSize = 7935UL; |
| pHTInfo->bAMSDU_Support = 0; |
| |
| pHTInfo->bAMPDUEnable = 1; |
| pHTInfo->AMPDU_Factor = 2; |
| pHTInfo->MPDU_Density = 0; |
| |
| pHTInfo->SelfMimoPs = 3; |
| if (pHTInfo->SelfMimoPs == 2) |
| pHTInfo->SelfMimoPs = 3; |
| ieee->bTxDisableRateFallBack = 0; |
| ieee->bTxUseDriverAssingedRate = 0; |
| |
| ieee->bTxEnableFwCalcDur = 1; |
| |
| pHTInfo->bRegRT2RTAggregation = 1; |
| |
| pHTInfo->bRegRxReorderEnable = 1; |
| pHTInfo->RxReorderWinSize = 64; |
| pHTInfo->RxReorderPendingTime = 30; |
| } |
| |
| static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) |
| { |
| struct rt_hi_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)]; |
| } |
| |
| u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate) |
| { |
| 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]; |
| if (nDataRate >= 0x10 && nDataRate <= 0x1f) { |
| is40MHz = 0; |
| isShortGI = 0; |
| } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { |
| is40MHz = 1; |
| isShortGI = 0; |
| } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { |
| is40MHz = 0; |
| isShortGI = 1; |
| } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { |
| is40MHz = 1; |
| isShortGI = 1; |
| } |
| return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; |
| } |
| |
| bool IsHTHalfNmodeAPs(struct rtllib_device *ieee) |
| { |
| bool retValue = false; |
| struct rtllib_network *net = &ieee->current_network; |
| |
| 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) || |
| !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || |
| !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) || |
| (net->broadcom_cap_exist)) |
| retValue = true; |
| else if (net->bssht.bdRT2RTAggregation) |
| retValue = true; |
| else |
| retValue = false; |
| |
| return retValue; |
| } |
| |
| static void HTIOTPeerDetermine(struct rtllib_device *ieee) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| struct rtllib_network *net = &ieee->current_network; |
| |
| if (net->bssht.bdRT2RTAggregation) { |
| pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; |
| if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE) |
| pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; |
| if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP) |
| pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP; |
| } else if (net->broadcom_cap_exist) |
| pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; |
| else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || |
| !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || |
| !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) |
| 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_1, 3) == 0) || |
| (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) |
| pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; |
| else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) || |
| net->cisco_cap_exist) |
| 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 if (net->airgo_cap_exist) |
| pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO; |
| else |
| pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; |
| |
| netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer); |
| } |
| |
| static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr) |
| { |
| return 0; |
| } |
| |
| |
| static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee) |
| { |
| return false; |
| } |
| |
| static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee) |
| { |
| return false; |
| } |
| |
| static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, |
| u8 *PeerMacAddr) |
| { |
| return false; |
| } |
| |
| static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee, |
| struct rtllib_network *network) |
| { |
| u8 retValue = 0; |
| |
| |
| if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) |
| retValue = 1; |
| |
| return retValue; |
| } |
| |
| static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) |
| { |
| u8 retValue = 0; |
| |
| if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) |
| retValue = 1; |
| return retValue; |
| } |
| |
| static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| |
| pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL; |
| |
| if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) |
| pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R; |
| |
| if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE) |
| pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU; |
| |
| } |
| |
| void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo) |
| { |
| pHTInfo->IOTAction = 0; |
| pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; |
| pHTInfo->IOTRaFunc = 0; |
| } |
| |
| void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, |
| u8 *len, u8 IsEncrypt, bool bAssoc) |
| { |
| struct rt_hi_throughput *pHT = ieee->pHTInfo; |
| struct ht_capab_ele *pCapELE = NULL; |
| |
| if ((posHTCap == NULL) || (pHT == NULL)) { |
| netdev_warn(ieee->dev, |
| "%s(): posHTCap and pHTInfo are null\n", __func__); |
| return; |
| } |
| memset(posHTCap, 0, *len); |
| |
| if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { |
| u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; |
| |
| memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); |
| pCapELE = (struct ht_capab_ele *)&(posHTCap[4]); |
| *len = 30 + 2; |
| } else { |
| pCapELE = (struct ht_capab_ele *)posHTCap; |
| *len = 26 + 2; |
| } |
| |
| pCapELE->AdvCoding = 0; |
| if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) |
| pCapELE->ChlWidth = 0; |
| else |
| pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0); |
| |
| pCapELE->MimoPwrSave = pHT->SelfMimoPs; |
| pCapELE->GreenField = 0; |
| pCapELE->ShortGI20Mhz = 1; |
| pCapELE->ShortGI40Mhz = 1; |
| |
| pCapELE->TxSTBC = 1; |
| pCapELE->RxSTBC = 0; |
| pCapELE->DelayBA = 0; |
| pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0; |
| pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0); |
| pCapELE->PSMP = 0; |
| pCapELE->LSigTxopProtect = 0; |
| |
| |
| netdev_dbg(ieee->dev, |
| "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", |
| pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); |
| |
| if (IsEncrypt) { |
| pCapELE->MPDUDensity = 7; |
| pCapELE->MaxRxAMPDUFactor = 2; |
| } else { |
| pCapELE->MaxRxAMPDUFactor = 3; |
| pCapELE->MPDUDensity = 0; |
| } |
| |
| memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); |
| memset(&pCapELE->ExtHTCapInfo, 0, 2); |
| memset(pCapELE->TxBFCap, 0, 4); |
| |
| pCapELE->ASCap = 0; |
| |
| if (bAssoc) { |
| 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; |
| |
| if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI) |
| pCapELE->ShortGI40Mhz = 0; |
| |
| if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) { |
| pCapELE->ChlWidth = 0; |
| pCapELE->MCS[1] = 0; |
| } |
| } |
| } |
| |
| void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo, |
| u8 *len, u8 IsEncrypt) |
| { |
| struct rt_hi_throughput *pHT = ieee->pHTInfo; |
| struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; |
| |
| if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) { |
| netdev_warn(ieee->dev, |
| "%s(): posHTInfo and pHTInfoEle are null\n", |
| __func__); |
| return; |
| } |
| |
| memset(posHTInfo, 0, *len); |
| if ((ieee->iw_mode == IW_MODE_ADHOC) || |
| (ieee->iw_mode == IW_MODE_MASTER)) { |
| 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; |
| |
| } else { |
| *len = 0; |
| } |
| } |
| |
| void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg, |
| u8 *len) |
| { |
| if (posRT2RTAgg == NULL) { |
| netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__); |
| return; |
| } |
| memset(posRT2RTAgg, 0, *len); |
| *posRT2RTAgg++ = 0x00; |
| *posRT2RTAgg++ = 0xe0; |
| *posRT2RTAgg++ = 0x4c; |
| *posRT2RTAgg++ = 0x02; |
| *posRT2RTAgg++ = 0x01; |
| |
| *posRT2RTAgg = 0x30; |
| |
| if (ieee->bSupportRemoteWakeUp) |
| *posRT2RTAgg |= RT_HT_CAP_USE_WOW; |
| |
| *len = 6 + 2; |
| } |
| |
| static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS) |
| { |
| u8 i; |
| |
| if (pOperateMCS == NULL) { |
| netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__); |
| return false; |
| } |
| |
| switch (ieee->mode) { |
| case IEEE_A: |
| case IEEE_B: |
| case IEEE_G: |
| for (i = 0; i <= 15; i++) |
| pOperateMCS[i] = 0; |
| break; |
| case IEEE_N_24G: |
| case IEEE_N_5G: |
| pOperateMCS[0] &= RATE_ADPT_1SS_MASK; |
| pOperateMCS[1] &= RATE_ADPT_2SS_MASK; |
| pOperateMCS[3] &= RATE_ADPT_MCS32_MASK; |
| break; |
| default: |
| break; |
| |
| } |
| |
| return true; |
| } |
| |
| u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, |
| u8 *pMCSFilter) |
| { |
| u8 i, j; |
| u8 bitMap; |
| u8 mcsRate = 0; |
| u8 availableMcsRate[16]; |
| |
| if (pMCSRateSet == NULL || pMCSFilter == NULL) { |
| netdev_warn(ieee->dev, |
| "%s(): pMCSRateSet and pMCSFilter are null\n", |
| __func__); |
| 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 >>= 1; |
| } |
| } |
| } |
| return mcsRate | 0x80; |
| } |
| |
| static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, |
| u8 *pOperateMCS) |
| { |
| |
| u8 i; |
| |
| for (i = 0; i <= 15; i++) |
| pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] & |
| pSupportMCS[i]; |
| |
| HT_PickMCSRate(ieee, pOperateMCS); |
| |
| if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) |
| pOperateMCS[1] = 0; |
| |
| for (i = 2; i <= 15; i++) |
| pOperateMCS[i] = 0; |
| |
| return true; |
| } |
| |
| void HTSetConnectBwMode(struct rtllib_device *ieee, |
| enum ht_channel_width Bandwidth, |
| enum ht_extchnl_offset Offset); |
| |
| void HTOnAssocRsp(struct rtllib_device *ieee) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| struct ht_capab_ele *pPeerHTCap = NULL; |
| struct ht_info_ele *pPeerHTInfo = NULL; |
| u16 nMaxAMSDUSize = 0; |
| u8 *pMcsFilter = NULL; |
| |
| static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; |
| static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; |
| |
| if (pHTInfo->bCurrentHTSupport == false) { |
| netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__); |
| return; |
| } |
| netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__); |
| |
| if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) |
| pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]); |
| else |
| pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf); |
| |
| if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) |
| pPeerHTInfo = (struct ht_info_ele *) |
| (&pHTInfo->PeerHTInfoBuf[4]); |
| else |
| pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf); |
| |
| |
| #ifdef VERBOSE_DEBUG |
| print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE, |
| pPeerHTCap, sizeof(struct ht_capab_ele)); |
| #endif |
| HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), |
| (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset)); |
| pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? |
| true : false); |
| |
| pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ? |
| ((pPeerHTCap->ShortGI20Mhz == 1) ? |
| true : false) : false); |
| pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ? |
| ((pPeerHTCap->ShortGI40Mhz == 1) ? |
| true : false) : false); |
| |
| pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ? |
| ((pPeerHTCap->DssCCk == 1) ? true : |
| false) : false); |
| |
| |
| pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; |
| |
| nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; |
| |
| if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize) |
| pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; |
| else |
| pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; |
| |
| pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; |
| 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; |
| } |
| |
| if (!pHTInfo->bRegRT2RTAggregation) { |
| if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) |
| pHTInfo->CurrentAMPDUFactor = |
| pPeerHTCap->MaxRxAMPDUFactor; |
| else |
| pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; |
| |
| } else { |
| if (ieee->current_network.bssht.bdRT2RTAggregation) { |
| if (ieee->pairwise_key_type != KEY_TYPE_NA) |
| 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; |
| } |
| } |
| if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) |
| pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; |
| else |
| pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; |
| if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) { |
| pHTInfo->bCurrentAMPDUEnable = false; |
| pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; |
| pHTInfo->ForcedAMSDUMaxSize = 7935; |
| } |
| pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; |
| |
| if (pPeerHTCap->MCS[0] == 0) |
| pPeerHTCap->MCS[0] = 0xff; |
| |
| HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); |
| |
| HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); |
| |
| pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; |
| if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC) |
| pMcsFilter = MCS_FILTER_1SS; |
| else |
| pMcsFilter = MCS_FILTER_ALL; |
| ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, |
| ieee->dot11HTOperationalRateSet, pMcsFilter); |
| ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; |
| |
| pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; |
| } |
| |
| void HTInitializeHTInfo(struct rtllib_device *ieee) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| |
| netdev_vdbg(ieee->dev, "%s()\n", __func__); |
| pHTInfo->bCurrentHTSupport = false; |
| |
| pHTInfo->bCurBW40MHz = false; |
| pHTInfo->bCurTxBW40MHz = false; |
| |
| pHTInfo->bCurShortGI20MHz = false; |
| pHTInfo->bCurShortGI40MHz = false; |
| pHTInfo->bForcedShortGI = false; |
| |
| pHTInfo->bCurSuppCCK = true; |
| |
| pHTInfo->bCurrent_AMSDU_Support = false; |
| pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; |
| pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; |
| pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; |
| |
| 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->ePeerHTSpecVer = HT_SPEC_VER_IEEE; |
| |
| pHTInfo->bCurrentRT2RTAggregation = false; |
| pHTInfo->bCurrentRT2RTLongSlotTime = false; |
| pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; |
| |
| pHTInfo->IOTPeer = 0; |
| pHTInfo->IOTAction = 0; |
| pHTInfo->IOTRaFunc = 0; |
| |
| { |
| u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); |
| |
| RegHTSuppRateSets[0] = 0xFF; |
| RegHTSuppRateSets[1] = 0xFF; |
| RegHTSuppRateSets[4] = 0x01; |
| } |
| } |
| |
| void HTInitializeBssDesc(struct bss_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; |
| pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0; |
| } |
| |
| void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, |
| struct rtllib_network *pNetwork) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| u8 bIOTAction = 0; |
| |
| netdev_vdbg(ieee->dev, "%s()\n", __func__); |
| /* unmark bEnableHT flag here is the same reason why unmarked in |
| * function rtllib_softmac_new_net. WB 2008.09.10 |
| */ |
| if (pNetwork->bssht.bdSupportHT) { |
| pHTInfo->bCurrentHTSupport = true; |
| pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; |
| |
| 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); |
| |
| if (pHTInfo->bRegRT2RTAggregation) { |
| pHTInfo->bCurrentRT2RTAggregation = |
| pNetwork->bssht.bdRT2RTAggregation; |
| pHTInfo->bCurrentRT2RTLongSlotTime = |
| pNetwork->bssht.bdRT2RTLongSlotTime; |
| pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode; |
| } else { |
| pHTInfo->bCurrentRT2RTAggregation = false; |
| pHTInfo->bCurrentRT2RTLongSlotTime = false; |
| pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; |
| } |
| |
| HTIOTPeerDetermine(ieee); |
| |
| pHTInfo->IOTAction = 0; |
| bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); |
| if (bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; |
| |
| bIOTAction = HTIOTActIsDisableMCS15(ieee); |
| if (bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; |
| |
| bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); |
| 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(ieee, pNetwork); |
| if (bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; |
| bIOTAction = HTIOTActIsCCDFsync(ieee); |
| if (bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; |
| } else { |
| pHTInfo->bCurrentHTSupport = false; |
| pHTInfo->bCurrentRT2RTAggregation = false; |
| pHTInfo->bCurrentRT2RTLongSlotTime = false; |
| pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; |
| |
| pHTInfo->IOTAction = 0; |
| pHTInfo->IOTRaFunc = 0; |
| } |
| } |
| |
| void HT_update_self_and_peer_setting(struct rtllib_device *ieee, |
| struct rtllib_network *pNetwork) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| struct ht_info_ele *pPeerHTInfo = |
| (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf; |
| |
| if (pHTInfo->bCurrentHTSupport) { |
| if (pNetwork->bssht.bdHTInfoLen != 0) |
| pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; |
| } |
| } |
| EXPORT_SYMBOL(HT_update_self_and_peer_setting); |
| |
| void HTUseDefaultSetting(struct rtllib_device *ieee) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| |
| if (pHTInfo->bEnableHT) { |
| pHTInfo->bCurrentHTSupport = true; |
| pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; |
| |
| pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; |
| pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz; |
| |
| pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz; |
| |
| if (ieee->iw_mode == IW_MODE_ADHOC) |
| ieee->current_network.qos_data.active = |
| ieee->current_network.qos_data.supported; |
| 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; |
| |
| HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, |
| ieee->dot11HTOperationalRateSet); |
| ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, |
| ieee->dot11HTOperationalRateSet, |
| MCS_FILTER_ALL); |
| ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; |
| |
| } else { |
| pHTInfo->bCurrentHTSupport = false; |
| } |
| } |
| |
| u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) |
| { |
| if (ieee->pHTInfo->bCurrentHTSupport) { |
| if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) { |
| netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n"); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static void HTSetConnectBwModeCallback(struct rtllib_device *ieee) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| |
| netdev_vdbg(ieee->dev, "%s()\n", __func__); |
| |
| if (pHTInfo->bCurBW40MHz) { |
| if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) |
| ieee->set_chan(ieee->dev, |
| ieee->current_network.channel + 2); |
| else if (pHTInfo->CurSTAExtChnlOffset == |
| HT_EXTCHNL_OFFSET_LOWER) |
| ieee->set_chan(ieee->dev, |
| ieee->current_network.channel - 2); |
| else |
| ieee->set_chan(ieee->dev, |
| ieee->current_network.channel); |
| |
| ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, |
| pHTInfo->CurSTAExtChnlOffset); |
| } else { |
| ieee->set_chan(ieee->dev, ieee->current_network.channel); |
| ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, |
| HT_EXTCHNL_OFFSET_NO_EXT); |
| } |
| |
| pHTInfo->bSwBwInProgress = false; |
| } |
| |
| void HTSetConnectBwMode(struct rtllib_device *ieee, |
| enum ht_channel_width Bandwidth, |
| enum ht_extchnl_offset Offset) |
| { |
| struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; |
| |
| if (pHTInfo->bRegBW40MHz == false) |
| return; |
| |
| if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) |
| Bandwidth = HT_CHANNEL_WIDTH_20; |
| |
| if (pHTInfo->bSwBwInProgress) { |
| pr_info("%s: bSwBwInProgress!!\n", __func__); |
| return; |
| } |
| if (Bandwidth == HT_CHANNEL_WIDTH_20_40) { |
| 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; |
| } |
| |
| netdev_dbg(ieee->dev, "%s():pHTInfo->bCurBW40MHz:%x\n", __func__, |
| pHTInfo->bCurBW40MHz); |
| |
| pHTInfo->bSwBwInProgress = true; |
| |
| HTSetConnectBwModeCallback(ieee); |
| } |