diff options
Diffstat (limited to 'drivers/staging/rtl8192e/rtl819x_HTProc.c')
-rw-r--r-- | drivers/staging/rtl8192e/rtl819x_HTProc.c | 885 |
1 files changed, 885 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c new file mode 100644 index 0000000000..f19feea461 --- /dev/null +++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c @@ -0,0 +1,885 @@ +// 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 *ht_info = ieee->ht_info; + + ht_info->bRegShortGI20MHz = 1; + ht_info->bRegShortGI40MHz = 1; + + ht_info->bRegBW40MHz = 1; + + if (ht_info->bRegBW40MHz) + ht_info->bRegSuppCCK = 1; + else + ht_info->bRegSuppCCK = true; + + ht_info->nAMSDU_MaxSize = 7935UL; + ht_info->bAMSDU_Support = 0; + + ht_info->bAMPDUEnable = 1; + ht_info->AMPDU_Factor = 2; + ht_info->MPDU_Density = 0; + + ht_info->self_mimo_ps = 3; + if (ht_info->self_mimo_ps == 2) + ht_info->self_mimo_ps = 3; + ieee->tx_dis_rate_fallback = 0; + ieee->tx_use_drv_assinged_rate = 0; + + ieee->bTxEnableFwCalcDur = 1; + + ht_info->reg_rt2rt_aggregation = 1; + + ht_info->reg_rx_reorder_enable = 1; + ht_info->rx_reorder_win_size = 64; + ht_info->rx_reorder_pending_time = 30; +} + +static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + + u8 is40MHz = (ht_info->bCurBW40MHz) ? 1 : 0; + u8 isShortGI = (ht_info->bCurBW40MHz) ? + ((ht_info->bCurShortGI40MHz) ? 1 : 0) : + ((ht_info->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.bd_rt2rt_aggregation) + retValue = true; + else + retValue = false; + + return retValue; +} + +static void HTIOTPeerDetermine(struct rtllib_device *ieee) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + struct rtllib_network *net = &ieee->current_network; + + if (net->bssht.bd_rt2rt_aggregation) { + ht_info->IOTPeer = HT_IOT_PEER_REALTEK; + if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_92SE) + ht_info->IOTPeer = HT_IOT_PEER_REALTEK_92SE; + if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_SOFTAP) + ht_info->IOTPeer = HT_IOT_PEER_92U_SOFTAP; + } else if (net->broadcom_cap_exist) { + ht_info->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)) { + ht_info->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) { + ht_info->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)) { + ht_info->IOTPeer = HT_IOT_PEER_ATHEROS; + } else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) || + net->cisco_cap_exist) { + ht_info->IOTPeer = HT_IOT_PEER_CISCO; + } else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || + net->marvell_cap_exist) { + ht_info->IOTPeer = HT_IOT_PEER_MARVELL; + } else if (net->airgo_cap_exist) { + ht_info->IOTPeer = HT_IOT_PEER_AIRGO; + } else { + ht_info->IOTPeer = HT_IOT_PEER_UNKNOWN; + } + + netdev_dbg(ieee->dev, "IOTPEER: %x\n", ht_info->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->ht_info->IOTPeer == HT_IOT_PEER_BROADCOM) + retValue = 1; + + return retValue; +} + +static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) +{ + u8 retValue = 0; + + if (ieee->ht_info->IOTPeer == HT_IOT_PEER_BROADCOM) + retValue = 1; + return retValue; +} + +static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + + ht_info->iot_ra_func &= HT_IOT_RAFUNC_DISABLE_ALL; + + if (ht_info->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) + ht_info->iot_ra_func |= HT_IOT_RAFUNC_PEER_1R; + + if (ht_info->iot_action & HT_IOT_ACT_AMSDU_ENABLE) + ht_info->iot_ra_func |= HT_IOT_RAFUNC_TX_AMSDU; +} + +void HTResetIOTSetting(struct rt_hi_throughput *ht_info) +{ + ht_info->iot_action = 0; + ht_info->IOTPeer = HT_IOT_PEER_UNKNOWN; + ht_info->iot_ra_func = 0; +} + +void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, + u8 *len, u8 IsEncrypt, bool bAssoc) +{ + struct rt_hi_throughput *pHT = ieee->ht_info; + struct ht_capab_ele *pCapELE = NULL; + + if (!posHTCap || !pHT) { + netdev_warn(ieee->dev, + "%s(): posHTCap and ht_info are null\n", __func__); + return; + } + memset(posHTCap, 0, *len); + + if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { + static const 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->self_mimo_ps; + 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->reg_dot11ht_oper_rate_set, 16); + memset(&pCapELE->ExtHTCapInfo, 0, 2); + memset(pCapELE->TxBFCap, 0, 4); + + pCapELE->ASCap = 0; + + if (bAssoc) { + if (pHT->iot_action & HT_IOT_ACT_DISABLE_MCS15) + pCapELE->MCS[1] &= 0x7f; + + if (pHT->iot_action & HT_IOT_ACT_DISABLE_MCS14) + pCapELE->MCS[1] &= 0xbf; + + if (pHT->iot_action & HT_IOT_ACT_DISABLE_ALL_2SS) + pCapELE->MCS[1] &= 0x00; + + if (pHT->iot_action & 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->ht_info; + struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; + + if (!posHTInfo || !pHTInfoEle) { + netdev_warn(ieee->dev, + "%s(): posHTInfo and pHTInfoEle are null\n", + __func__); + return; + } + + memset(posHTInfo, 0, *len); + if (ieee->iw_mode == IW_MODE_ADHOC) { + pHTInfoEle->ControlChl = ieee->current_network.channel; + pHTInfoEle->ExtChlOffset = ((!pHT->bRegBW40MHz) ? + 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->current_op_mode; + 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) { + 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) { + netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__); + return false; + } + + switch (ieee->mode) { + case WIRELESS_MODE_B: + case WIRELESS_MODE_G: + for (i = 0; i <= 15; i++) + pOperateMCS[i] = 0; + break; + case WIRELESS_MODE_N_24G: + 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 || !pMCSFilter) { + 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->reg_dot11tx_ht_oper_rate_set[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 *ht_info = ieee->ht_info; + struct ht_capab_ele *pPeerHTCap = NULL; + struct ht_info_ele *pPeerHTInfo = NULL; + u16 nMaxAMSDUSize = 0; + u8 *pMcsFilter = NULL; + + static const u8 EWC11NHTCap[] = { 0x00, 0x90, 0x4c, 0x33 }; + static const u8 EWC11NHTInfo[] = { 0x00, 0x90, 0x4c, 0x34 }; + + if (!ht_info->bCurrentHTSupport) { + netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__); + return; + } + netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__); + + if (!memcmp(ht_info->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) + pPeerHTCap = (struct ht_capab_ele *)(&ht_info->PeerHTCapBuf[4]); + else + pPeerHTCap = (struct ht_capab_ele *)(ht_info->PeerHTCapBuf); + + if (!memcmp(ht_info->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) + pPeerHTInfo = (struct ht_info_ele *) + (&ht_info->PeerHTInfoBuf[4]); + else + pPeerHTInfo = (struct ht_info_ele *)(ht_info->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)); + ht_info->cur_tx_bw40mhz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? + true : false); + + ht_info->bCurShortGI20MHz = ((ht_info->bRegShortGI20MHz) ? + ((pPeerHTCap->ShortGI20Mhz == 1) ? + true : false) : false); + ht_info->bCurShortGI40MHz = ((ht_info->bRegShortGI40MHz) ? + ((pPeerHTCap->ShortGI40Mhz == 1) ? + true : false) : false); + + ht_info->bCurSuppCCK = ((ht_info->bRegSuppCCK) ? + ((pPeerHTCap->DssCCk == 1) ? true : + false) : false); + + ht_info->bCurrent_AMSDU_Support = ht_info->bAMSDU_Support; + + nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; + + if (ht_info->nAMSDU_MaxSize > nMaxAMSDUSize) + ht_info->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; + else + ht_info->nCurrent_AMSDU_MaxSize = ht_info->nAMSDU_MaxSize; + + ht_info->bCurrentAMPDUEnable = ht_info->bAMPDUEnable; + if (ieee->rtllib_ap_sec_type && + (ieee->rtllib_ap_sec_type(ieee) & (SEC_ALG_WEP | SEC_ALG_TKIP))) { + if ((ht_info->IOTPeer == HT_IOT_PEER_ATHEROS) || + (ht_info->IOTPeer == HT_IOT_PEER_UNKNOWN)) + ht_info->bCurrentAMPDUEnable = false; + } + + if (!ht_info->reg_rt2rt_aggregation) { + if (ht_info->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) + ht_info->CurrentAMPDUFactor = + pPeerHTCap->MaxRxAMPDUFactor; + else + ht_info->CurrentAMPDUFactor = ht_info->AMPDU_Factor; + + } else { + if (ieee->current_network.bssht.bd_rt2rt_aggregation) { + if (ieee->pairwise_key_type != KEY_TYPE_NA) + ht_info->CurrentAMPDUFactor = + pPeerHTCap->MaxRxAMPDUFactor; + else + ht_info->CurrentAMPDUFactor = HT_AGG_SIZE_64K; + } else { + ht_info->CurrentAMPDUFactor = min_t(u32, pPeerHTCap->MaxRxAMPDUFactor, + HT_AGG_SIZE_32K); + } + } + ht_info->current_mpdu_density = max_t(u8, ht_info->MPDU_Density, + pPeerHTCap->MPDUDensity); + if (ht_info->iot_action & HT_IOT_ACT_TX_USE_AMSDU_8K) { + ht_info->bCurrentAMPDUEnable = false; + ht_info->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; + } + ht_info->cur_rx_reorder_enable = ht_info->reg_rx_reorder_enable; + + if (pPeerHTCap->MCS[0] == 0) + pPeerHTCap->MCS[0] = 0xff; + + HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); + + HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11ht_oper_rate_set); + + ht_info->peer_mimo_ps = pPeerHTCap->MimoPwrSave; + if (ht_info->peer_mimo_ps == MIMO_PS_STATIC) + pMcsFilter = MCS_FILTER_1SS; + else + pMcsFilter = MCS_FILTER_ALL; + ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, + ieee->dot11ht_oper_rate_set, + pMcsFilter); + ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; + + ht_info->current_op_mode = pPeerHTInfo->OptMode; +} + +void HTInitializeHTInfo(struct rtllib_device *ieee) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + + ht_info->bCurrentHTSupport = false; + + ht_info->bCurBW40MHz = false; + ht_info->cur_tx_bw40mhz = false; + + ht_info->bCurShortGI20MHz = false; + ht_info->bCurShortGI40MHz = false; + ht_info->forced_short_gi = false; + + ht_info->bCurSuppCCK = true; + + ht_info->bCurrent_AMSDU_Support = false; + ht_info->nCurrent_AMSDU_MaxSize = ht_info->nAMSDU_MaxSize; + ht_info->current_mpdu_density = ht_info->MPDU_Density; + ht_info->CurrentAMPDUFactor = ht_info->AMPDU_Factor; + + memset((void *)(&ht_info->SelfHTCap), 0, + sizeof(ht_info->SelfHTCap)); + memset((void *)(&ht_info->SelfHTInfo), 0, + sizeof(ht_info->SelfHTInfo)); + memset((void *)(&ht_info->PeerHTCapBuf), 0, + sizeof(ht_info->PeerHTCapBuf)); + memset((void *)(&ht_info->PeerHTInfoBuf), 0, + sizeof(ht_info->PeerHTInfoBuf)); + + ht_info->sw_bw_in_progress = false; + + ht_info->ePeerHTSpecVer = HT_SPEC_VER_IEEE; + + ht_info->current_rt2rt_aggregation = false; + ht_info->current_rt2rt_long_slot_time = false; + ht_info->RT2RT_HT_Mode = (enum rt_ht_capability)0; + + ht_info->IOTPeer = 0; + ht_info->iot_action = 0; + ht_info->iot_ra_func = 0; + + { + u8 *RegHTSuppRateSets = &ieee->reg_ht_supp_rate_set[0]; + + RegHTSuppRateSets[0] = 0xFF; + RegHTSuppRateSets[1] = 0xFF; + RegHTSuppRateSets[4] = 0x01; + } +} + +void HTInitializeBssDesc(struct bss_ht *pBssHT) +{ + pBssHT->bd_support_ht = false; + memset(pBssHT->bd_ht_cap_buf, 0, sizeof(pBssHT->bd_ht_cap_buf)); + pBssHT->bd_ht_cap_len = 0; + memset(pBssHT->bd_ht_info_buf, 0, sizeof(pBssHT->bd_ht_info_buf)); + pBssHT->bd_ht_info_len = 0; + + pBssHT->bd_ht_spec_ver = HT_SPEC_VER_IEEE; + + pBssHT->bd_rt2rt_aggregation = false; + pBssHT->bd_rt2rt_long_slot_time = false; + pBssHT->rt2rt_ht_mode = (enum rt_ht_capability)0; +} + +void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, + struct rtllib_network *pNetwork) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + u8 bIOTAction = 0; + + /* unmark enable_ht flag here is the same reason why unmarked in + * function rtllib_softmac_new_net. WB 2008.09.10 + */ + if (pNetwork->bssht.bd_support_ht) { + ht_info->bCurrentHTSupport = true; + ht_info->ePeerHTSpecVer = pNetwork->bssht.bd_ht_spec_ver; + + if (pNetwork->bssht.bd_ht_cap_len > 0 && + pNetwork->bssht.bd_ht_cap_len <= sizeof(ht_info->PeerHTCapBuf)) + memcpy(ht_info->PeerHTCapBuf, + pNetwork->bssht.bd_ht_cap_buf, + pNetwork->bssht.bd_ht_cap_len); + + if (pNetwork->bssht.bd_ht_info_len > 0 && + pNetwork->bssht.bd_ht_info_len <= + sizeof(ht_info->PeerHTInfoBuf)) + memcpy(ht_info->PeerHTInfoBuf, + pNetwork->bssht.bd_ht_info_buf, + pNetwork->bssht.bd_ht_info_len); + + if (ht_info->reg_rt2rt_aggregation) { + ht_info->current_rt2rt_aggregation = + pNetwork->bssht.bd_rt2rt_aggregation; + ht_info->current_rt2rt_long_slot_time = + pNetwork->bssht.bd_rt2rt_long_slot_time; + ht_info->RT2RT_HT_Mode = pNetwork->bssht.rt2rt_ht_mode; + } else { + ht_info->current_rt2rt_aggregation = false; + ht_info->current_rt2rt_long_slot_time = false; + ht_info->RT2RT_HT_Mode = (enum rt_ht_capability)0; + } + + HTIOTPeerDetermine(ieee); + + ht_info->iot_action = 0; + bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); + if (bIOTAction) + ht_info->iot_action |= HT_IOT_ACT_DISABLE_MCS14; + + bIOTAction = HTIOTActIsDisableMCS15(ieee); + if (bIOTAction) + ht_info->iot_action |= HT_IOT_ACT_DISABLE_MCS15; + + bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); + if (bIOTAction) + ht_info->iot_action |= HT_IOT_ACT_DISABLE_ALL_2SS; + + bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); + if (bIOTAction) + ht_info->iot_action |= HT_IOT_ACT_DISABLE_EDCA_TURBO; + + bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork); + if (bIOTAction) + ht_info->iot_action |= HT_IOT_ACT_MGNT_USE_CCK_6M; + bIOTAction = HTIOTActIsCCDFsync(ieee); + if (bIOTAction) + ht_info->iot_action |= HT_IOT_ACT_CDD_FSYNC; + } else { + ht_info->bCurrentHTSupport = false; + ht_info->current_rt2rt_aggregation = false; + ht_info->current_rt2rt_long_slot_time = false; + ht_info->RT2RT_HT_Mode = (enum rt_ht_capability)0; + + ht_info->iot_action = 0; + ht_info->iot_ra_func = 0; + } +} + +void HT_update_self_and_peer_setting(struct rtllib_device *ieee, + struct rtllib_network *pNetwork) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + struct ht_info_ele *pPeerHTInfo = + (struct ht_info_ele *)pNetwork->bssht.bd_ht_info_buf; + + if (ht_info->bCurrentHTSupport) { + if (pNetwork->bssht.bd_ht_info_len != 0) + ht_info->current_op_mode = pPeerHTInfo->OptMode; + } +} +EXPORT_SYMBOL(HT_update_self_and_peer_setting); + +void HTUseDefaultSetting(struct rtllib_device *ieee) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + + if (ht_info->enable_ht) { + ht_info->bCurrentHTSupport = true; + ht_info->bCurSuppCCK = ht_info->bRegSuppCCK; + + ht_info->bCurBW40MHz = ht_info->bRegBW40MHz; + ht_info->bCurShortGI20MHz = ht_info->bRegShortGI20MHz; + + ht_info->bCurShortGI40MHz = ht_info->bRegShortGI40MHz; + + if (ieee->iw_mode == IW_MODE_ADHOC) + ieee->current_network.qos_data.active = + ieee->current_network.qos_data.supported; + ht_info->bCurrent_AMSDU_Support = ht_info->bAMSDU_Support; + ht_info->nCurrent_AMSDU_MaxSize = ht_info->nAMSDU_MaxSize; + + ht_info->bCurrentAMPDUEnable = ht_info->bAMPDUEnable; + ht_info->CurrentAMPDUFactor = ht_info->AMPDU_Factor; + + ht_info->current_mpdu_density = ht_info->current_mpdu_density; + + HTFilterMCSRate(ieee, ieee->reg_dot11tx_ht_oper_rate_set, + ieee->dot11ht_oper_rate_set); + ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, + ieee->dot11ht_oper_rate_set, + MCS_FILTER_ALL); + ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; + + } else { + ht_info->bCurrentHTSupport = false; + } +} + +u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) +{ + if (ieee->ht_info->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 *ht_info = ieee->ht_info; + + if (ht_info->bCurBW40MHz) { + if (ht_info->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) + ieee->set_chan(ieee->dev, + ieee->current_network.channel + 2); + else if (ht_info->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->set_bw_mode_handler(ieee->dev, HT_CHANNEL_WIDTH_20_40, + ht_info->CurSTAExtChnlOffset); + } else { + ieee->set_chan(ieee->dev, ieee->current_network.channel); + ieee->set_bw_mode_handler(ieee->dev, HT_CHANNEL_WIDTH_20, + HT_EXTCHNL_OFFSET_NO_EXT); + } + + ht_info->sw_bw_in_progress = false; +} + +void HTSetConnectBwMode(struct rtllib_device *ieee, + enum ht_channel_width bandwidth, + enum ht_extchnl_offset Offset) +{ + struct rt_hi_throughput *ht_info = ieee->ht_info; + + if (!ht_info->bRegBW40MHz) + return; + + if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) + bandwidth = HT_CHANNEL_WIDTH_20; + + if (ht_info->sw_bw_in_progress) { + pr_info("%s: sw_bw_in_progress!!\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) { + ht_info->bCurBW40MHz = true; + ht_info->CurSTAExtChnlOffset = Offset; + } else { + ht_info->bCurBW40MHz = false; + ht_info->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; + } + } else { + ht_info->bCurBW40MHz = false; + ht_info->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; + } + + netdev_dbg(ieee->dev, "%s():ht_info->bCurBW40MHz:%x\n", __func__, + ht_info->bCurBW40MHz); + + ht_info->sw_bw_in_progress = true; + + HTSetConnectBwModeCallback(ieee); +} |