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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/staging/rtl8192e/rtl819x_HTProc.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/rtl8192e/rtl819x_HTProc.c')
-rw-r--r--drivers/staging/rtl8192e/rtl819x_HTProc.c885
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);
+}