700 lines
20 KiB
C
700 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
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*
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* Contact Information: wlanfae <wlanfae@realtek.com>
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*/
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#include "rtllib.h"
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#include "rtl819x_HT.h"
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u8 MCS_FILTER_ALL[16] = {
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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u8 MCS_FILTER_1SS[16] = {
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0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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;
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u16 MCS_DATA_RATE[2][2][77] = {
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{{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234,
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260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416,
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468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182,
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182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156,
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181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273,
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312, 351, 312, 351, 390, 390, 429},
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{14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
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43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520,
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578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231,
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173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260,
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231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390,
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433, 433, 477} },
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{{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486,
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540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648,
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864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324,
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378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324,
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378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648,
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729, 648, 729, 810, 810, 891},
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{30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540,
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600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720,
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960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360,
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420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360,
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420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720,
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810, 720, 810, 900, 900, 990} }
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};
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static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
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static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
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static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
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static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
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static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
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static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
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static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
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static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
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static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
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static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
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static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
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static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
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void ht_update_default_setting(struct rtllib_device *ieee)
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{
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struct rt_hi_throughput *ht_info = ieee->ht_info;
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ht_info->ampdu_enable = 1;
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ht_info->ampdu_factor = 2;
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ieee->tx_dis_rate_fallback = 0;
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ieee->tx_use_drv_assinged_rate = 0;
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ieee->tx_enable_fw_calc_dur = 1;
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ht_info->rx_reorder_win_size = 64;
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ht_info->rx_reorder_pending_time = 30;
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}
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static u16 ht_mcs_to_data_rate(struct rtllib_device *ieee, u8 mcs_rate)
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{
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struct rt_hi_throughput *ht_info = ieee->ht_info;
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u8 is40MHz = (ht_info->cur_bw_40mhz) ? 1 : 0;
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u8 isShortGI = (ht_info->cur_bw_40mhz) ?
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((ht_info->cur_short_gi_40mhz) ? 1 : 0) :
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((ht_info->cur_short_gi_20mhz) ? 1 : 0);
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return MCS_DATA_RATE[is40MHz][isShortGI][(mcs_rate & 0x7f)];
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}
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u16 tx_count_to_data_rate(struct rtllib_device *ieee, u8 data_rate)
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{
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u16 cck_of_dm_rate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
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0x24, 0x30, 0x48, 0x60, 0x6c};
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u8 is40MHz = 0;
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u8 isShortGI = 0;
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if (data_rate < 12)
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return cck_of_dm_rate[data_rate];
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if (data_rate >= 0x10 && data_rate <= 0x1f) {
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is40MHz = 0;
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isShortGI = 0;
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} else if (data_rate >= 0x20 && data_rate <= 0x2f) {
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is40MHz = 1;
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isShortGI = 0;
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} else if (data_rate >= 0x30 && data_rate <= 0x3f) {
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is40MHz = 0;
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isShortGI = 1;
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} else if (data_rate >= 0x40 && data_rate <= 0x4f) {
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is40MHz = 1;
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isShortGI = 1;
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}
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return MCS_DATA_RATE[is40MHz][isShortGI][data_rate & 0xf];
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}
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bool is_ht_half_nmode_aps(struct rtllib_device *ieee)
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{
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bool retValue = false;
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struct rtllib_network *net = &ieee->current_network;
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if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
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(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
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(memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
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(memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
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(memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
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(net->ralink_cap_exist))
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retValue = true;
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else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
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!memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
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!memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
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(net->broadcom_cap_exist))
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retValue = true;
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else if (net->bssht.bd_rt2rt_aggregation)
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retValue = true;
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else
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retValue = false;
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return retValue;
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}
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static void ht_iot_peer_determine(struct rtllib_device *ieee)
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{
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struct rt_hi_throughput *ht_info = ieee->ht_info;
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struct rtllib_network *net = &ieee->current_network;
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if (net->bssht.bd_rt2rt_aggregation) {
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ht_info->iot_peer = HT_IOT_PEER_REALTEK;
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if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_92SE)
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ht_info->iot_peer = HT_IOT_PEER_REALTEK_92SE;
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if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_SOFTAP)
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ht_info->iot_peer = HT_IOT_PEER_92U_SOFTAP;
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} else if (net->broadcom_cap_exist) {
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ht_info->iot_peer = HT_IOT_PEER_BROADCOM;
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} else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
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!memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
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!memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) {
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ht_info->iot_peer = HT_IOT_PEER_BROADCOM;
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} else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
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(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
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(memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
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(memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
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(memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
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net->ralink_cap_exist) {
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ht_info->iot_peer = HT_IOT_PEER_RALINK;
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} else if ((net->atheros_cap_exist) ||
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(memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
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(memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) {
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ht_info->iot_peer = HT_IOT_PEER_ATHEROS;
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} else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
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net->cisco_cap_exist) {
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ht_info->iot_peer = HT_IOT_PEER_CISCO;
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} else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
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net->marvell_cap_exist) {
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ht_info->iot_peer = HT_IOT_PEER_MARVELL;
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} else if (net->airgo_cap_exist) {
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ht_info->iot_peer = HT_IOT_PEER_AIRGO;
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} else {
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ht_info->iot_peer = HT_IOT_PEER_UNKNOWN;
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}
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netdev_dbg(ieee->dev, "IOTPEER: %x\n", ht_info->iot_peer);
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}
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static u8 ht_iot_act_is_mgnt_use_cck_6m(struct rtllib_device *ieee,
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struct rtllib_network *network)
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{
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u8 retValue = 0;
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if (ieee->ht_info->iot_peer == HT_IOT_PEER_BROADCOM)
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retValue = 1;
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return retValue;
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}
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static u8 ht_iot_act_is_ccd_fsync(struct rtllib_device *ieee)
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{
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u8 retValue = 0;
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if (ieee->ht_info->iot_peer == HT_IOT_PEER_BROADCOM)
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retValue = 1;
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return retValue;
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}
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static void ht_iot_act_determine_ra_func(struct rtllib_device *ieee, bool bPeerRx2ss)
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{
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struct rt_hi_throughput *ht_info = ieee->ht_info;
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ht_info->iot_ra_func &= HT_IOT_RAFUNC_DISABLE_ALL;
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if (ht_info->iot_peer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
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ht_info->iot_ra_func |= HT_IOT_RAFUNC_PEER_1R;
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if (ht_info->iot_action & HT_IOT_ACT_AMSDU_ENABLE)
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ht_info->iot_ra_func |= HT_IOT_RAFUNC_TX_AMSDU;
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}
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void ht_reset_iot_setting(struct rt_hi_throughput *ht_info)
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{
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ht_info->iot_action = 0;
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ht_info->iot_peer = HT_IOT_PEER_UNKNOWN;
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ht_info->iot_ra_func = 0;
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}
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void ht_construct_capability_element(struct rtllib_device *ieee, u8 *pos_ht_cap,
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u8 *len, u8 is_encrypt, bool assoc)
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{
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struct rt_hi_throughput *ht = ieee->ht_info;
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struct ht_capab_ele *cap_ele = NULL;
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if (!pos_ht_cap || !ht) {
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netdev_warn(ieee->dev,
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"%s(): posHTCap and ht_info are null\n", __func__);
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return;
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}
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memset(pos_ht_cap, 0, *len);
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if ((assoc) && (ht->peer_ht_spec_ver == HT_SPEC_VER_EWC)) {
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static const u8 EWC11NHTCap[] = { 0x00, 0x90, 0x4c, 0x33 };
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memcpy(pos_ht_cap, EWC11NHTCap, sizeof(EWC11NHTCap));
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cap_ele = (struct ht_capab_ele *)&pos_ht_cap[4];
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*len = 30 + 2;
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} else {
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cap_ele = (struct ht_capab_ele *)pos_ht_cap;
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*len = 26 + 2;
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}
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cap_ele->AdvCoding = 0;
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if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
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cap_ele->ChlWidth = 0;
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else
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cap_ele->ChlWidth = 1;
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cap_ele->MimoPwrSave = 3;
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cap_ele->GreenField = 0;
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cap_ele->ShortGI20Mhz = 1;
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cap_ele->ShortGI40Mhz = 1;
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cap_ele->TxSTBC = 1;
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cap_ele->RxSTBC = 0;
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cap_ele->DelayBA = 0;
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cap_ele->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
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cap_ele->DssCCk = 1;
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cap_ele->PSMP = 0;
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cap_ele->LSigTxopProtect = 0;
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netdev_dbg(ieee->dev,
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"TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n",
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cap_ele->ChlWidth, cap_ele->MaxAMSDUSize, cap_ele->DssCCk);
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if (is_encrypt) {
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cap_ele->MPDUDensity = 7;
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cap_ele->MaxRxAMPDUFactor = 2;
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} else {
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cap_ele->MaxRxAMPDUFactor = 3;
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cap_ele->MPDUDensity = 0;
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}
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memcpy(cap_ele->MCS, ieee->reg_dot11ht_oper_rate_set, 16);
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memset(&cap_ele->ExtHTCapInfo, 0, 2);
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memset(cap_ele->TxBFCap, 0, 4);
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cap_ele->ASCap = 0;
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if (assoc) {
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if (ht->iot_action & HT_IOT_ACT_DISABLE_MCS15)
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cap_ele->MCS[1] &= 0x7f;
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if (ht->iot_action & HT_IOT_ACT_DISABLE_MCS14)
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cap_ele->MCS[1] &= 0xbf;
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if (ht->iot_action & HT_IOT_ACT_DISABLE_ALL_2SS)
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cap_ele->MCS[1] &= 0x00;
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if (ht->iot_action & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
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cap_ele->ShortGI40Mhz = 0;
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if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
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cap_ele->ChlWidth = 0;
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cap_ele->MCS[1] = 0;
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}
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}
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}
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void ht_construct_rt2rt_agg_element(struct rtllib_device *ieee, u8 *posRT2RTAgg,
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u8 *len)
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{
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if (!posRT2RTAgg) {
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netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__);
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return;
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}
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memset(posRT2RTAgg, 0, *len);
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*posRT2RTAgg++ = 0x00;
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*posRT2RTAgg++ = 0xe0;
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*posRT2RTAgg++ = 0x4c;
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*posRT2RTAgg++ = 0x02;
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*posRT2RTAgg++ = 0x01;
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*posRT2RTAgg = 0x30;
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if (ieee->bSupportRemoteWakeUp)
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*posRT2RTAgg |= RT_HT_CAP_USE_WOW;
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*len = 6 + 2;
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}
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static u8 ht_pick_mcs_rate(struct rtllib_device *ieee, u8 *pOperateMCS)
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{
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u8 i;
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if (!pOperateMCS) {
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netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__);
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return false;
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}
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switch (ieee->mode) {
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case WIRELESS_MODE_B:
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case WIRELESS_MODE_G:
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for (i = 0; i <= 15; i++)
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pOperateMCS[i] = 0;
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break;
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case WIRELESS_MODE_N_24G:
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pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
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pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
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pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
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break;
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default:
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break;
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}
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return true;
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}
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u8 ht_get_highest_mcs_rate(struct rtllib_device *ieee, u8 *pMCSRateSet,
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u8 *pMCSFilter)
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{
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u8 i, j;
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u8 bitMap;
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u8 mcsRate = 0;
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u8 availableMcsRate[16];
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if (!pMCSRateSet || !pMCSFilter) {
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netdev_warn(ieee->dev,
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"%s(): pMCSRateSet and pMCSFilter are null\n",
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__func__);
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return false;
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}
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for (i = 0; i < 16; i++)
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availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
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for (i = 0; i < 16; i++) {
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if (availableMcsRate[i] != 0)
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break;
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}
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if (i == 16)
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return false;
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for (i = 0; i < 16; i++) {
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if (availableMcsRate[i] != 0) {
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bitMap = availableMcsRate[i];
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for (j = 0; j < 8; j++) {
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if ((bitMap % 2) != 0) {
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if (ht_mcs_to_data_rate(ieee, (8 * i + j)) >
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ht_mcs_to_data_rate(ieee, mcsRate))
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mcsRate = 8 * i + j;
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}
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bitMap >>= 1;
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}
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}
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}
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return mcsRate | 0x80;
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}
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static u8 ht_filter_mcs_rate(struct rtllib_device *ieee, u8 *pSupportMCS,
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u8 *pOperateMCS)
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{
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u8 i;
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for (i = 0; i <= 15; i++)
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pOperateMCS[i] = ieee->reg_dot11tx_ht_oper_rate_set[i] &
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pSupportMCS[i];
|
|
|
|
ht_pick_mcs_rate(ieee, pOperateMCS);
|
|
|
|
if (ieee->GetHalfNmodeSupportByAPsHandler(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->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
|
|
ht_set_connect_bw_mode(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->cur_short_gi_20mhz = ((pPeerHTCap->ShortGI20Mhz == 1) ? true : false);
|
|
ht_info->cur_short_gi_40mhz = ((pPeerHTCap->ShortGI40Mhz == 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->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 = pPeerHTCap->MPDUDensity;
|
|
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->OptMode;
|
|
}
|
|
|
|
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->CurrentAMPDUFactor = ht_info->ampdu_factor;
|
|
|
|
memset((void *)(&ht_info->SelfHTCap), 0,
|
|
sizeof(ht_info->SelfHTCap));
|
|
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->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 *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 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->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);
|
|
|
|
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->OptMode;
|
|
}
|
|
}
|
|
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->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 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->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->cur_bw_40mhz = true;
|
|
ht_info->CurSTAExtChnlOffset = Offset;
|
|
} else {
|
|
ht_info->cur_bw_40mhz = false;
|
|
ht_info->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
|
|
}
|
|
} else {
|
|
ht_info->cur_bw_40mhz = false;
|
|
ht_info->CurSTAExtChnlOffset = 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);
|
|
}
|