| // 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 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->HTCurrentOperaRate = 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 *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->current_ht_support = true; |
| ht_info->peer_ht_spec_ver = pNetwork->bssht.bd_ht_spec_ver; |
| |
| if (pNetwork->bssht.bd_ht_cap_len > 0 && |
| pNetwork->bssht.bd_ht_cap_len <= sizeof(ht_info->peer_ht_cap_buf)) |
| memcpy(ht_info->peer_ht_cap_buf, |
| 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->peer_ht_info_buf)) |
| memcpy(ht_info->peer_ht_info_buf, |
| pNetwork->bssht.bd_ht_info_buf, |
| pNetwork->bssht.bd_ht_info_len); |
| |
| 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_iot_peer_determine(ieee); |
| |
| ht_info->iot_action = 0; |
| bIOTAction = ht_iot_act_is_mgnt_use_cck_6m(ieee, pNetwork); |
| 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 *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->current_ht_support) { |
| if (pNetwork->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 *pFrame) |
| { |
| if (ieee->ht_info->current_ht_support) { |
| if ((IsQoSDataFrame(pFrame) && frame_order(pFrame)) == 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); |
| } |