// SPDX-License-Identifier: GPL-2.0
/*
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* Contact Information: wlanfae <[email protected]>
*/
#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 ht_update_default_setting(struct rtllib_device *ieee)
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
ht_info->ampdu_enable = 1;
ht_info->ampdu_factor = 2;
ieee->tx_dis_rate_fallback = 0;
ieee->tx_use_drv_assinged_rate = 0;
ieee->tx_enable_fw_calc_dur = 1;
ht_info->rx_reorder_win_size = 64;
ht_info->rx_reorder_pending_time = 30;
}
static u16 ht_mcs_to_data_rate(struct rtllib_device *ieee, u8 mcs_rate)
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
u8 is40MHz = (ht_info->cur_bw_40mhz) ? 1 : 0;
u8 isShortGI = (ht_info->cur_bw_40mhz) ?
((ht_info->cur_short_gi_40mhz) ? 1 : 0) :
((ht_info->cur_short_gi_20mhz) ? 1 : 0);
return MCS_DATA_RATE[is40MHz][isShortGI][(mcs_rate & 0x7f)];
}
u16 tx_count_to_data_rate(struct rtllib_device *ieee, u8 data_rate)
{
u16 cck_of_dm_rate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
0x24, 0x30, 0x48, 0x60, 0x6c};
u8 is40MHz = 0;
u8 isShortGI = 0;
if (data_rate < 12)
return cck_of_dm_rate[data_rate];
if (data_rate >= 0x10 && data_rate <= 0x1f) {
is40MHz = 0;
isShortGI = 0;
} else if (data_rate >= 0x20 && data_rate <= 0x2f) {
is40MHz = 1;
isShortGI = 0;
} else if (data_rate >= 0x30 && data_rate <= 0x3f) {
is40MHz = 0;
isShortGI = 1;
} else if (data_rate >= 0x40 && data_rate <= 0x4f) {
is40MHz = 1;
isShortGI = 1;
}
return MCS_DATA_RATE[is40MHz][isShortGI][data_rate & 0xf];
}
bool is_ht_half_nmode_aps(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 ht_iot_peer_determine(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->iot_peer = HT_IOT_PEER_REALTEK;
if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_92SE)
ht_info->iot_peer = HT_IOT_PEER_REALTEK_92SE;
if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_SOFTAP)
ht_info->iot_peer = HT_IOT_PEER_92U_SOFTAP;
} else if (net->broadcom_cap_exist) {
ht_info->iot_peer = 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->iot_peer = 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->iot_peer = 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->iot_peer = HT_IOT_PEER_ATHEROS;
} else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
net->cisco_cap_exist) {
ht_info->iot_peer = HT_IOT_PEER_CISCO;
} else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
net->marvell_cap_exist) {
ht_info->iot_peer = HT_IOT_PEER_MARVELL;
} else if (net->airgo_cap_exist) {
ht_info->iot_peer = HT_IOT_PEER_AIRGO;
} else {
ht_info->iot_peer = HT_IOT_PEER_UNKNOWN;
}
netdev_dbg(ieee->dev, "IOTPEER: %x\n", ht_info->iot_peer);
}
static u8 ht_iot_act_is_mgnt_use_cck_6m(struct rtllib_device *ieee,
struct rtllib_network *network)
{
u8 retValue = 0;
if (ieee->ht_info->iot_peer == HT_IOT_PEER_BROADCOM)
retValue = 1;
return retValue;
}
static u8 ht_iot_act_is_ccd_fsync(struct rtllib_device *ieee)
{
u8 retValue = 0;
if (ieee->ht_info->iot_peer == HT_IOT_PEER_BROADCOM)
retValue = 1;
return retValue;
}
static void ht_iot_act_determine_ra_func(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->iot_peer == 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 ht_reset_iot_setting(struct rt_hi_throughput *ht_info)
{
ht_info->iot_action = 0;
ht_info->iot_peer = HT_IOT_PEER_UNKNOWN;
ht_info->iot_ra_func = 0;
}
void ht_construct_capability_element(struct rtllib_device *ieee, u8 *pos_ht_cap,
u8 *len, u8 is_encrypt, bool assoc)
{
struct rt_hi_throughput *ht = ieee->ht_info;
struct ht_capab_ele *cap_ele = NULL;
if (!pos_ht_cap || !ht) {
netdev_warn(ieee->dev,
"%s(): pos_ht_cap and ht_info are null\n", __func__);
return;
}
memset(pos_ht_cap, 0, *len);
if ((assoc) && (ht->peer_ht_spec_ver == HT_SPEC_VER_EWC)) {
static const u8 EWC11NHTCap[] = { 0x00, 0x90, 0x4c, 0x33 };
memcpy(pos_ht_cap, EWC11NHTCap, sizeof(EWC11NHTCap));
cap_ele = (struct ht_capab_ele *)&pos_ht_cap[4];
*len = 30 + 2;
} else {
cap_ele = (struct ht_capab_ele *)pos_ht_cap;
*len = 26 + 2;
}
cap_ele->adv_coding = 0;
if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev))
cap_ele->chl_width = 0;
else
cap_ele->chl_width = 1;
cap_ele->mimo_pwr_save = 3;
cap_ele->green_field = 0;
cap_ele->short_gi_20mhz = 1;
cap_ele->short_gi_40mhz = 1;
cap_ele->tx_stbc = 1;
cap_ele->rx_stbc = 0;
cap_ele->delay_ba = 0;
cap_ele->max_amsdu_size = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
cap_ele->dss_cck = 1;
cap_ele->PSMP = 0;
cap_ele->lsig_txop_protect = 0;
netdev_dbg(ieee->dev,
"TX HT cap/info ele BW=%d max_amsdu_size:%d dss_cck:%d\n",
cap_ele->chl_width, cap_ele->max_amsdu_size, cap_ele->dss_cck);
if (is_encrypt) {
cap_ele->mpdu_density = 7;
cap_ele->max_rx_ampdu_factor = 2;
} else {
cap_ele->max_rx_ampdu_factor = 3;
cap_ele->mpdu_density = 0;
}
memcpy(cap_ele->MCS, ieee->reg_dot11ht_oper_rate_set, 16);
memset(&cap_ele->ext_ht_cap_info, 0, 2);
memset(cap_ele->TxBFCap, 0, 4);
cap_ele->ASCap = 0;
if (assoc) {
if (ht->iot_action & HT_IOT_ACT_DISABLE_MCS15)
cap_ele->MCS[1] &= 0x7f;
if (ht->iot_action & HT_IOT_ACT_DISABLE_MCS14)
cap_ele->MCS[1] &= 0xbf;
if (ht->iot_action & HT_IOT_ACT_DISABLE_ALL_2SS)
cap_ele->MCS[1] &= 0x00;
if (ht->iot_action & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
cap_ele->short_gi_40mhz = 0;
if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev)) {
cap_ele->chl_width = 0;
cap_ele->MCS[1] = 0;
}
}
}
void ht_construct_rt2rt_agg_element(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_pick_mcs_rate(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 ht_get_highest_mcs_rate(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 (ht_mcs_to_data_rate(ieee, (8 * i + j)) >
ht_mcs_to_data_rate(ieee, mcsRate))
mcsRate = 8 * i + j;
}
bitMap >>= 1;
}
}
}
return mcsRate | 0x80;
}
static u8 ht_filter_mcs_rate(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_pick_mcs_rate(ieee, pOperateMCS);
if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev))
pOperateMCS[1] = 0;
for (i = 2; i <= 15; i++)
pOperateMCS[i] = 0;
return true;
}
void ht_set_connect_bw_mode(struct rtllib_device *ieee,
enum ht_channel_width bandwidth,
enum ht_extchnl_offset Offset);
void ht_on_assoc_rsp(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;
u8 *pMcsFilter = NULL;
static const u8 EWC11NHTCap[] = { 0x00, 0x90, 0x4c, 0x33 };
static const u8 EWC11NHTInfo[] = { 0x00, 0x90, 0x4c, 0x34 };
if (!ht_info->current_ht_support) {
netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__);
return;
}
netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__);
if (!memcmp(ht_info->peer_ht_cap_buf, EWC11NHTCap, sizeof(EWC11NHTCap)))
pPeerHTCap = (struct ht_capab_ele *)(&ht_info->peer_ht_cap_buf[4]);
else
pPeerHTCap = (struct ht_capab_ele *)(ht_info->peer_ht_cap_buf);
if (!memcmp(ht_info->peer_ht_info_buf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
pPeerHTInfo = (struct ht_info_ele *)
(&ht_info->peer_ht_info_buf[4]);
else
pPeerHTInfo = (struct ht_info_ele *)(ht_info->peer_ht_info_buf);
#ifdef VERBOSE_DEBUG
print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE,
pPeerHTCap, sizeof(struct ht_capab_ele));
#endif
ht_set_connect_bw_mode(ieee, (enum ht_channel_width)(pPeerHTCap->chl_width),
(enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
ht_info->cur_tx_bw40mhz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
true : false);
ht_info->cur_short_gi_20mhz = ((pPeerHTCap->short_gi_20mhz == 1) ? true : false);
ht_info->cur_short_gi_40mhz = ((pPeerHTCap->short_gi_40mhz == 1) ? true : false);
ht_info->current_ampdu_enable = ht_info->ampdu_enable;
if (ieee->rtllib_ap_sec_type &&
(ieee->rtllib_ap_sec_type(ieee) & (SEC_ALG_WEP | SEC_ALG_TKIP))) {
if ((ht_info->iot_peer == HT_IOT_PEER_ATHEROS) ||
(ht_info->iot_peer == HT_IOT_PEER_UNKNOWN))
ht_info->current_ampdu_enable = false;
}
if (ieee->current_network.bssht.bd_rt2rt_aggregation) {
if (ieee->pairwise_key_type != KEY_TYPE_NA)
ht_info->current_ampdu_factor =
pPeerHTCap->max_rx_ampdu_factor;
else
ht_info->current_ampdu_factor = HT_AGG_SIZE_64K;
} else {
ht_info->current_ampdu_factor = min_t(u32, pPeerHTCap->max_rx_ampdu_factor,
HT_AGG_SIZE_32K);
}
ht_info->current_mpdu_density = pPeerHTCap->mpdu_density;
if (ht_info->iot_action & HT_IOT_ACT_TX_USE_AMSDU_8K)
ht_info->current_ampdu_enable = false;
ht_info->cur_rx_reorder_enable = 1;
if (pPeerHTCap->MCS[0] == 0)
pPeerHTCap->MCS[0] = 0xff;
ht_iot_act_determine_ra_func(ieee, ((pPeerHTCap->MCS[1]) != 0));
ht_filter_mcs_rate(ieee, pPeerHTCap->MCS, ieee->dot11ht_oper_rate_set);
pMcsFilter = MCS_FILTER_ALL;
ieee->HTHighestOperaRate = ht_get_highest_mcs_rate(ieee,
ieee->dot11ht_oper_rate_set,
pMcsFilter);
ieee->ht_curr_op_rate = ieee->HTHighestOperaRate;
ht_info->current_op_mode = pPeerHTInfo->opt_mode;
}
void ht_initialize_ht_info(struct rtllib_device *ieee)
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
ht_info->current_ht_support = false;
ht_info->cur_bw_40mhz = false;
ht_info->cur_tx_bw40mhz = false;
ht_info->cur_short_gi_20mhz = false;
ht_info->cur_short_gi_40mhz = false;
ht_info->current_mpdu_density = 0;
ht_info->current_ampdu_factor = ht_info->ampdu_factor;
memset((void *)(&ht_info->self_ht_cap), 0,
sizeof(ht_info->self_ht_cap));
memset((void *)(&ht_info->peer_ht_cap_buf), 0,
sizeof(ht_info->peer_ht_cap_buf));
memset((void *)(&ht_info->peer_ht_info_buf), 0,
sizeof(ht_info->peer_ht_info_buf));
ht_info->sw_bw_in_progress = false;
ht_info->peer_ht_spec_ver = HT_SPEC_VER_IEEE;
ht_info->current_rt2rt_aggregation = false;
ht_info->current_rt2rt_long_slot_time = false;
ht_info->iot_peer = 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 ht_initialize_bss_desc(struct bss_ht *bss_ht)
{
bss_ht->bd_support_ht = false;
memset(bss_ht->bd_ht_cap_buf, 0, sizeof(bss_ht->bd_ht_cap_buf));
bss_ht->bd_ht_cap_len = 0;
memset(bss_ht->bd_ht_info_buf, 0, sizeof(bss_ht->bd_ht_info_buf));
bss_ht->bd_ht_info_len = 0;
bss_ht->bd_ht_spec_ver = HT_SPEC_VER_IEEE;
bss_ht->bd_rt2rt_aggregation = false;
bss_ht->bd_rt2rt_long_slot_time = false;
bss_ht->rt2rt_ht_mode = (enum rt_ht_capability)0;
}
void ht_reset_self_and_save_peer_setting(struct rtllib_device *ieee,
struct rtllib_network *network)
{
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 (network->bssht.bd_support_ht) {
ht_info->current_ht_support = true;
ht_info->peer_ht_spec_ver = network->bssht.bd_ht_spec_ver;
if (network->bssht.bd_ht_cap_len > 0 &&
network->bssht.bd_ht_cap_len <= sizeof(ht_info->peer_ht_cap_buf))
memcpy(ht_info->peer_ht_cap_buf,
network->bssht.bd_ht_cap_buf,
network->bssht.bd_ht_cap_len);
if (network->bssht.bd_ht_info_len > 0 &&
network->bssht.bd_ht_info_len <=
sizeof(ht_info->peer_ht_info_buf))
memcpy(ht_info->peer_ht_info_buf,
network->bssht.bd_ht_info_buf,
network->bssht.bd_ht_info_len);
ht_info->current_rt2rt_aggregation =
network->bssht.bd_rt2rt_aggregation;
ht_info->current_rt2rt_long_slot_time =
network->bssht.bd_rt2rt_long_slot_time;
ht_iot_peer_determine(ieee);
ht_info->iot_action = 0;
bIOTAction = ht_iot_act_is_mgnt_use_cck_6m(ieee, network);
if (bIOTAction)
ht_info->iot_action |= HT_IOT_ACT_MGNT_USE_CCK_6M;
bIOTAction = ht_iot_act_is_ccd_fsync(ieee);
if (bIOTAction)
ht_info->iot_action |= HT_IOT_ACT_CDD_FSYNC;
} else {
ht_info->current_ht_support = false;
ht_info->current_rt2rt_aggregation = false;
ht_info->current_rt2rt_long_slot_time = false;
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 *network)
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
struct ht_info_ele *pPeerHTInfo =
(struct ht_info_ele *)network->bssht.bd_ht_info_buf;
if (ht_info->current_ht_support) {
if (network->bssht.bd_ht_info_len != 0)
ht_info->current_op_mode = pPeerHTInfo->opt_mode;
}
}
EXPORT_SYMBOL(HT_update_self_and_peer_setting);
u8 ht_c_check(struct rtllib_device *ieee, u8 *frame)
{
if (ieee->ht_info->current_ht_support) {
if ((is_qos_data_frame(frame) && frame_order(frame)) == 1) {
netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n");
return true;
}
}
return false;
}
static void ht_set_connect_bw_mode_callback(struct rtllib_device *ieee)
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
if (ht_info->cur_bw_40mhz) {
if (ht_info->cur_sta_ext_chnl_offset == HT_EXTCHNL_OFFSET_UPPER)
ieee->set_chan(ieee->dev,
ieee->current_network.channel + 2);
else if (ht_info->cur_sta_ext_chnl_offset ==
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->cur_sta_ext_chnl_offset);
} 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 ht_set_connect_bw_mode(struct rtllib_device *ieee,
enum ht_channel_width bandwidth,
enum ht_extchnl_offset Offset)
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
if (ieee->get_half_nmode_support_by_aps_handler(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->cur_bw_40mhz = true;
ht_info->cur_sta_ext_chnl_offset = Offset;
} else {
ht_info->cur_bw_40mhz = false;
ht_info->cur_sta_ext_chnl_offset = HT_EXTCHNL_OFFSET_NO_EXT;
}
} else {
ht_info->cur_bw_40mhz = false;
ht_info->cur_sta_ext_chnl_offset = HT_EXTCHNL_OFFSET_NO_EXT;
}
netdev_dbg(ieee->dev, "%s():ht_info->bCurBW40MHz:%x\n", __func__,
ht_info->cur_bw_40mhz);
ht_info->sw_bw_in_progress = true;
ht_set_connect_bw_mode_callback(ieee);
}
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