#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;
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);
}