/******************************************************************************
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*
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* Copyright(c) 2007 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#define _RTW_VHT_C
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#include <drv_types.h>
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#include <hal_data.h>
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#ifdef CONFIG_80211AC_VHT
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const u16 _vht_max_mpdu_len[] = {
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3895,
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7991,
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11454,
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0,
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};
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const u8 _vht_sup_ch_width_set_to_bw_cap[] = {
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BW_CAP_80M,
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BW_CAP_80M | BW_CAP_160M,
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BW_CAP_80M | BW_CAP_160M | BW_CAP_80_80M,
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0,
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};
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#ifdef CONFIG_RTW_DEBUG
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const char *const _vht_sup_ch_width_set_str[] = {
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"80MHz",
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"160MHz",
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"160MHz & 80+80MHz",
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"BW-RSVD",
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};
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void dump_vht_cap_ie_content(void *sel, const u8 *buf, u32 buf_len)
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{
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if (buf_len != VHT_CAP_IE_LEN) {
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RTW_PRINT_SEL(sel, "Invalid VHT capability IE len:%d != %d\n", buf_len, VHT_CAP_IE_LEN);
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return;
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}
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RTW_PRINT_SEL(sel, "cap_info:%02x %02x %02x %02x: MAX_MPDU_LEN:%u %s%s%s%s%s RX-STBC:%u MAX_AMPDU_LEN:%u\n"
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, *(buf), *(buf + 1), *(buf + 2), *(buf + 3)
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, vht_max_mpdu_len(GET_VHT_CAPABILITY_ELE_MAX_MPDU_LENGTH(buf))
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, vht_sup_ch_width_set_str(GET_VHT_CAPABILITY_ELE_CHL_WIDTH(buf))
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, GET_VHT_CAPABILITY_ELE_RX_LDPC(buf) ? " RX-LDPC" : ""
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, GET_VHT_CAPABILITY_ELE_SHORT_GI80M(buf) ? " SGI-80" : ""
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, GET_VHT_CAPABILITY_ELE_SHORT_GI160M(buf) ? " SGI-160" : ""
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, GET_VHT_CAPABILITY_ELE_TX_STBC(buf) ? " TX-STBC" : ""
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, GET_VHT_CAPABILITY_ELE_RX_STBC(buf)
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, VHT_MAX_AMPDU_LEN(GET_VHT_CAPABILITY_ELE_MAX_RXAMPDU_FACTOR(buf))
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);
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}
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void dump_vht_cap_ie(void *sel, const u8 *ie, u32 ie_len)
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{
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const u8 *vht_cap_ie;
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sint vht_cap_ielen;
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vht_cap_ie = rtw_get_ie(ie, WLAN_EID_VHT_CAPABILITY, &vht_cap_ielen, ie_len);
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if (!ie || vht_cap_ie != ie)
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return;
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dump_vht_cap_ie_content(sel, vht_cap_ie + 2, vht_cap_ielen);
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}
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const char *const _vht_op_ch_width_str[] = {
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"20 or 40MHz",
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"80MHz",
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"160MHz",
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"80+80MHz",
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"BW-RSVD",
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};
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void dump_vht_op_ie_content(void *sel, const u8 *buf, u32 buf_len)
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{
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if (buf_len != VHT_OP_IE_LEN) {
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RTW_PRINT_SEL(sel, "Invalid VHT operation IE len:%d != %d\n", buf_len, VHT_OP_IE_LEN);
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return;
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}
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RTW_PRINT_SEL(sel, "\tVHT Operation Info:\n");
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RTW_PRINT_SEL(sel, "\tChannel Width: %u\n"
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, GET_VHT_OPERATION_ELE_CHL_WIDTH(buf));
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RTW_PRINT_SEL(sel, "\tCenter Frequency Channel for 80 and 160 MHz Operation: %u\n"
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, GET_VHT_OPERATION_ELE_CENTER_FREQ1(buf));
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RTW_PRINT_SEL(sel, "\tCenter Frequency Channel for 80+80 MHz Operation: %u\n"
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, GET_VHT_OPERATION_ELE_CENTER_FREQ2(buf));
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RTW_PRINT_SEL(sel, "\tVHT Basic MCS Set: 0x%04x\n"
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, GET_VHT_OPERATION_ELE_BASIC_MCS_SET(buf));
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}
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void dump_vht_op_ie(void *sel, const u8 *ie, u32 ie_len)
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{
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const u8 *vht_op_ie;
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sint vht_op_ielen;
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vht_op_ie = rtw_get_ie(ie, WLAN_EID_VHT_OPERATION, &vht_op_ielen, ie_len);
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if (!ie || vht_op_ie != ie)
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return;
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dump_vht_op_ie_content(sel, vht_op_ie + 2, vht_op_ielen);
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}
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#endif
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/* 20/40/80, ShortGI, MCS Rate */
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const u16 VHT_MCS_DATA_RATE[3][2][40] = { /* unit: 0.5M */
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{ {
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13, 26, 39, 52, 78, 104, 117, 130, 156, 156,
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26, 52, 78, 104, 156, 208, 234, 260, 312, 312,
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39, 78, 117, 156, 234, 312, 351, 390, 468, 520,
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52, 104, 156, 208, 312, 416, 468, 520, 624, 624,
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}, /* Long GI, 20MHz */
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{
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14, 29, 43, 58, 87, 116, 130, 144, 173, 173,
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29, 58, 87, 116, 173, 231, 260, 289, 347, 347,
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43, 87, 130, 173, 260, 347, 390, 433, 520, 578,
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58, 116, 173, 231, 347, 462, 520, 578, 693, 693,
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}
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}, /* Short GI, 20MHz */
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{ {
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27, 54, 81, 108, 162, 216, 243, 270, 324, 360,
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54, 108, 162, 216, 324, 432, 486, 540, 648, 720,
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81, 162, 243, 324, 486, 648, 729, 810, 972, 1080,
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108, 216, 324, 432, 648, 864, 972, 1080, 1296, 1440,
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}, /* Long GI, 40MHz */
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{
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30, 60, 90, 120, 180, 240, 270, 300, 360, 400,
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60, 120, 180, 240, 360, 480, 540, 600, 720, 800,
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90, 180, 270, 360, 540, 720, 810, 900, 1080, 1200,
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120, 240, 360, 480, 720, 960, 1080, 1200, 1440, 1600,
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}
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}, /* Short GI, 40MHz */
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{ {
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59, 117, 176, 234, 351, 468, 527, 585, 702, 780,
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117, 234, 351, 468, 702, 936, 1053, 1170, 1404, 1560,
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176, 351, 527, 702, 1053, 1404, 1580, 1755, 2106, 2340,
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234, 468, 702, 936, 1404, 1872, 2106, 2340, 2808, 3120,
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}, /* Long GI, 80MHz */
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{
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65, 130, 195, 260, 390, 520, 585, 650, 780, 867,
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130, 260, 390, 520, 780, 1040, 1170, 1300, 1560, 1734,
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195, 390, 585, 780, 1170, 1560, 1755, 1950, 2340, 2600,
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260, 520, 780, 1040, 1560, 2080, 2340, 2600, 3120, 3467,
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}
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} /* Short GI, 80MHz */
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};
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u8 rtw_get_vht_highest_rate(u8 *pvht_mcs_map)
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{
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u8 i, j;
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u8 bit_map;
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u8 vht_mcs_rate = 0;
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for (i = 0; i < 2; i++) {
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if (pvht_mcs_map[i] != 0xff) {
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for (j = 0; j < 8; j += 2) {
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bit_map = (pvht_mcs_map[i] >> j) & 3;
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if (bit_map != 3)
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vht_mcs_rate = MGN_VHT1SS_MCS7 + 10 * j / 2 + i * 40 + bit_map; /* VHT rate indications begin from 0x90 */
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}
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}
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}
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/* RTW_INFO("HighestVHTMCSRate is %x\n", vht_mcs_rate); */
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return vht_mcs_rate;
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}
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u8 rtw_vht_mcsmap_to_nss(u8 *pvht_mcs_map)
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{
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u8 i, j;
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u8 bit_map;
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u8 nss = 0;
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for (i = 0; i < 2; i++) {
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if (pvht_mcs_map[i] != 0xff) {
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for (j = 0; j < 8; j += 2) {
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bit_map = (pvht_mcs_map[i] >> j) & 3;
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if (bit_map != 3)
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nss++;
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}
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}
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}
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/* RTW_INFO("%s : %dSS\n", __FUNCTION__, nss); */
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return nss;
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}
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void rtw_vht_nss_to_mcsmap(u8 nss, u8 *target_mcs_map, u8 *cur_mcs_map)
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{
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u8 i, j;
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u8 cur_rate, target_rate;
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for (i = 0; i < 2; i++) {
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target_mcs_map[i] = 0;
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for (j = 0; j < 8; j += 2) {
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cur_rate = (cur_mcs_map[i] >> j) & 3;
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if (cur_rate == 3) /* 0x3 indicates not supported that num of SS */
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target_rate = 3;
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else if (nss <= ((j / 2) + i * 4))
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target_rate = 3;
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else
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target_rate = cur_rate;
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target_mcs_map[i] |= (target_rate << j);
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}
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}
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/* RTW_INFO("%s : %dSS\n", __FUNCTION__, nss); */
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}
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u16 rtw_vht_mcs_to_data_rate(u8 bw, u8 short_GI, u8 vht_mcs_rate)
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{
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if (vht_mcs_rate > MGN_VHT4SS_MCS9)
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vht_mcs_rate = MGN_VHT4SS_MCS9;
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/* RTW_INFO("bw=%d, short_GI=%d, ((vht_mcs_rate - MGN_VHT1SS_MCS0)&0x3f)=%d\n", bw, short_GI, ((vht_mcs_rate - MGN_VHT1SS_MCS0)&0x3f)); */
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return VHT_MCS_DATA_RATE[bw][short_GI][((vht_mcs_rate - MGN_VHT1SS_MCS0) & 0x3f)];
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}
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void rtw_vht_use_default_setting(_adapter *padapter)
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{
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
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struct registry_priv *pregistrypriv = &padapter->registrypriv;
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BOOLEAN bHwLDPCSupport = _FALSE, bHwSTBCSupport = _FALSE;
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#ifdef CONFIG_BEAMFORMING
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BOOLEAN bHwSupportBeamformer = _FALSE, bHwSupportBeamformee = _FALSE;
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u8 mu_bfer, mu_bfee;
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#endif /* CONFIG_BEAMFORMING */
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u8 tx_nss, rx_nss;
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u8 rf_type = 0;
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struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
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struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
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pvhtpriv->sgi_80m = 0;
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pvhtpriv->sgi_160m = 0;
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pvhtpriv->txop_ps = 0;
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pvhtpriv->htc_vht = 1;
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pvhtpriv->link_adap_cap = 0;
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pvhtpriv->tx_ant_pattern= 0;
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pvhtpriv->rx_ant_pattern= 0;
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pvhtpriv->ext_nss_bw = 0;
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if (TEST_FLAG(pregistrypriv->short_gi, BIT2) && hal_chk_bw_cap(padapter, BW_CAP_80M))
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pvhtpriv->sgi_80m = 1;
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if (TEST_FLAG(pregistrypriv->short_gi, BIT3) && hal_chk_bw_cap(padapter, BW_CAP_160M))
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pvhtpriv->sgi_160m = 1;
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/* LDPC support */
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rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
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CLEAR_FLAGS(pvhtpriv->ldpc_cap);
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if (bHwLDPCSupport) {
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if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT0))
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SET_FLAG(pvhtpriv->ldpc_cap, LDPC_VHT_ENABLE_RX);
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}
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rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
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if (bHwLDPCSupport) {
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if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT1))
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SET_FLAG(pvhtpriv->ldpc_cap, LDPC_VHT_ENABLE_TX);
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}
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if (pvhtpriv->ldpc_cap)
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RTW_INFO("[VHT] Support LDPC = 0x%02X\n", pvhtpriv->ldpc_cap);
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/* STBC */
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rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
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CLEAR_FLAGS(pvhtpriv->stbc_cap);
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if (bHwSTBCSupport) {
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if (TEST_FLAG(pregistrypriv->stbc_cap, BIT1))
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SET_FLAG(pvhtpriv->stbc_cap, STBC_VHT_ENABLE_TX);
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}
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rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)(&pvhtpriv->rx_stbc_nss));
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if (pvhtpriv->rx_stbc_nss && TEST_FLAG(pregistrypriv->stbc_cap, BIT0)) {
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SET_FLAG(pvhtpriv->stbc_cap, STBC_VHT_ENABLE_RX);
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}
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if (pvhtpriv->stbc_cap)
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RTW_INFO("[VHT] Support STBC = 0x%02X\n", pvhtpriv->stbc_cap);
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/* Beamforming setting */
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CLEAR_FLAGS(pvhtpriv->beamform_cap);
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#ifdef CONFIG_BEAMFORMING
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#ifdef RTW_BEAMFORMING_VERSION_2
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#ifdef CONFIG_CONCURRENT_MODE
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/* only enable beamforming in STA client mode */
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if (MLME_IS_STA(padapter) && !MLME_IS_GC(padapter))
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#else
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if ((MLME_IS_AP(padapter) && !MLME_IS_GO(padapter)) ||
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(MLME_IS_STA(padapter) && !MLME_IS_GC(padapter)))
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#endif
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#endif
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{
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rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER,
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(u8 *)&bHwSupportBeamformer);
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rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE,
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(u8 *)&bHwSupportBeamformee);
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mu_bfer = _FALSE;
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mu_bfee = _FALSE;
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rtw_hal_get_def_var(padapter, HAL_DEF_VHT_MU_BEAMFORMER, &mu_bfer);
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rtw_hal_get_def_var(padapter, HAL_DEF_VHT_MU_BEAMFORMEE, &mu_bfee);
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if (TEST_FLAG(pregistrypriv->beamform_cap, BIT0) && bHwSupportBeamformer) {
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#ifdef CONFIG_CONCURRENT_MODE
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if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE) {
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SET_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE);
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RTW_INFO("[VHT] CONCURRENT AP Support Beamformer\n");
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if (TEST_FLAG(pregistrypriv->beamform_cap, BIT(2))
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&& (_TRUE == mu_bfer)) {
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SET_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE);
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RTW_INFO("[VHT] Support MU-MIMO AP\n");
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}
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} else
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RTW_INFO("[VHT] CONCURRENT not AP ;not allow Support Beamformer\n");
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#else
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SET_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE);
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RTW_INFO("[VHT] Support Beamformer\n");
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if (TEST_FLAG(pregistrypriv->beamform_cap, BIT(2))
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&& (_TRUE == mu_bfer)
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&& ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE)) {
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SET_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE);
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RTW_INFO("[VHT] Support MU-MIMO AP\n");
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}
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#endif
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}
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if (TEST_FLAG(pregistrypriv->beamform_cap, BIT1) && bHwSupportBeamformee) {
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SET_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE);
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RTW_INFO("[VHT] Support Beamformee\n");
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if (TEST_FLAG(pregistrypriv->beamform_cap, BIT(3))
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&& (_TRUE == mu_bfee)
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&& ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)) {
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SET_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_MU_MIMO_STA_ENABLE);
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RTW_INFO("[VHT] Support MU-MIMO STA\n");
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}
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}
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}
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#endif /* CONFIG_BEAMFORMING */
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pvhtpriv->ampdu_len = pregistrypriv->ampdu_factor;
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tx_nss = GET_HAL_TX_NSS(padapter);
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rx_nss = GET_HAL_RX_NSS(padapter);
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/* for now, vhtpriv.vht_mcs_map comes from RX NSS */
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rtw_vht_nss_to_mcsmap(rx_nss, pvhtpriv->vht_mcs_map, pregistrypriv->vht_rx_mcs_map);
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pvhtpriv->vht_highest_rate = rtw_get_vht_highest_rate(pvhtpriv->vht_mcs_map);
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}
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u64 rtw_vht_mcs_map_to_bitmap(u8 *mcs_map, u8 nss)
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{
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u8 i, j, tmp;
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u64 bitmap = 0;
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u8 bits_nss = nss * 2;
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for (i = j = 0; i < bits_nss; i += 2, j += 10) {
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/* every two bits means single sptial stream */
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tmp = (mcs_map[i / 8] >> i) & 3;
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switch (tmp) {
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case 2:
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bitmap = bitmap | ((u64)0x03ff << j);
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break;
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case 1:
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bitmap = bitmap | ((u64)0x01ff << j);
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break;
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case 0:
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bitmap = bitmap | ((u64)0x00ff << j);
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break;
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default:
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break;
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}
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}
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RTW_INFO("vht_mcs_map=%02x %02x, nss=%u => bitmap=%016llx\n"
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, mcs_map[0], mcs_map[1], nss, bitmap);
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return bitmap;
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}
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#ifdef CONFIG_BEAMFORMING
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void update_sta_vht_info_apmode_bf_cap(_adapter *padapter, struct sta_info *psta)
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{
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struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
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struct vht_priv *pvhtpriv_ap = &pmlmepriv->vhtpriv;
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struct vht_priv *pvhtpriv_sta = &psta->vhtpriv;
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u16 cur_beamform_cap = 0;
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/* B11 SU Beamformer Capable, the target supports Beamformer and we are Beamformee */
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if (TEST_FLAG(pvhtpriv_ap->beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE) &&
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GET_VHT_CAPABILITY_ELE_SU_BFEE(pvhtpriv_sta->vht_cap)) {
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SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE);
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/*Shift to BEAMFORMING_VHT_BEAMFORMER_STS_CAP*/
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SET_FLAG(cur_beamform_cap, GET_VHT_CAPABILITY_ELE_SU_BFEE_STS_CAP(pvhtpriv_sta->vht_cap) << 8);
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}
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/* B12 SU Beamformee Capable, the target supports Beamformee and we are Beamformer */
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if (TEST_FLAG(pvhtpriv_ap->beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE) &&
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GET_VHT_CAPABILITY_ELE_SU_BFER(pvhtpriv_sta->vht_cap)) {
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SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE);
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/*Shit to BEAMFORMING_VHT_BEAMFORMEE_SOUND_DIM*/
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SET_FLAG(cur_beamform_cap, GET_VHT_CAPABILITY_ELE_SU_BFER_SOUND_DIM_NUM(pvhtpriv_sta->vht_cap) << 12);
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}
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if (cur_beamform_cap)
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RTW_INFO("Current STA(%d) VHT Beamforming Setting = %02X\n", psta->cmn.aid, cur_beamform_cap);
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pvhtpriv_sta->beamform_cap = cur_beamform_cap;
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psta->cmn.bf_info.vht_beamform_cap = cur_beamform_cap;
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}
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#endif
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void update_sta_vht_info_apmode(_adapter *padapter, void *sta)
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{
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struct sta_info *psta = (struct sta_info *)sta;
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struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
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struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
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struct vht_priv *pvhtpriv_ap = &pmlmepriv->vhtpriv;
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struct vht_priv *pvhtpriv_sta = &psta->vhtpriv;
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u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
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s8 bw_mode = -1;
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u8 *pcap_mcs;
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if (pvhtpriv_sta->vht_option == _FALSE)
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return;
|
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if (pvhtpriv_sta->op_present) {
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switch (GET_VHT_OPERATION_ELE_CHL_WIDTH(pvhtpriv_sta->vht_op)) {
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case 1: /* 80MHz */
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case 2: /* 160MHz */
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case 3: /* 80+80 */
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bw_mode = CHANNEL_WIDTH_80; /* only support up to 80MHz for now */
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break;
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}
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}
|
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if (pvhtpriv_sta->notify_present)
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bw_mode = GET_VHT_OPERATING_MODE_FIELD_CHNL_WIDTH(&pvhtpriv_sta->vht_op_mode_notify);
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else if (MLME_IS_AP(padapter)) {
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/* for VHT client without Operating Mode Notify IE; minimal 80MHz */
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if (bw_mode < CHANNEL_WIDTH_80)
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bw_mode = CHANNEL_WIDTH_80;
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}
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if (bw_mode != -1)
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psta->cmn.bw_mode = bw_mode; /* update bw_mode only if get value from VHT IEs */
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psta->cmn.ra_info.is_vht_enable = _TRUE;
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/* B4 Rx LDPC */
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if (TEST_FLAG(pvhtpriv_ap->ldpc_cap, LDPC_VHT_ENABLE_TX) &&
|
GET_VHT_CAPABILITY_ELE_RX_LDPC(pvhtpriv_sta->vht_cap)) {
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SET_FLAG(cur_ldpc_cap, (LDPC_VHT_ENABLE_TX | LDPC_VHT_CAP_TX));
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RTW_INFO("Current STA(%d) VHT LDPC = %02X\n", psta->cmn.aid, cur_ldpc_cap);
|
}
|
pvhtpriv_sta->ldpc_cap = cur_ldpc_cap;
|
|
if (psta->cmn.bw_mode > pmlmeext->cur_bwmode)
|
psta->cmn.bw_mode = pmlmeext->cur_bwmode;
|
|
if (psta->cmn.bw_mode == CHANNEL_WIDTH_80) {
|
/* B5 Short GI for 80 MHz */
|
pvhtpriv_sta->sgi_80m = (GET_VHT_CAPABILITY_ELE_SHORT_GI80M(pvhtpriv_sta->vht_cap) & pvhtpriv_ap->sgi_80m) ? _TRUE : _FALSE;
|
/* RTW_INFO("Current STA ShortGI80MHz = %d\n", pvhtpriv_sta->sgi_80m); */
|
} else if (psta->cmn.bw_mode >= CHANNEL_WIDTH_160) {
|
/* B5 Short GI for 80 MHz */
|
pvhtpriv_sta->sgi_80m = (GET_VHT_CAPABILITY_ELE_SHORT_GI160M(pvhtpriv_sta->vht_cap) & pvhtpriv_ap->sgi_80m) ? _TRUE : _FALSE;
|
/* RTW_INFO("Current STA ShortGI160MHz = %d\n", pvhtpriv_sta->sgi_80m); */
|
}
|
|
/* B8 B9 B10 Rx STBC */
|
if (TEST_FLAG(pvhtpriv_ap->stbc_cap, STBC_VHT_ENABLE_TX) &&
|
GET_VHT_CAPABILITY_ELE_RX_STBC(pvhtpriv_sta->vht_cap)) {
|
SET_FLAG(cur_stbc_cap, (STBC_VHT_ENABLE_TX | STBC_VHT_CAP_TX));
|
RTW_INFO("Current STA(%d) VHT STBC = %02X\n", psta->cmn.aid, cur_stbc_cap);
|
}
|
pvhtpriv_sta->stbc_cap = cur_stbc_cap;
|
|
#ifdef CONFIG_BEAMFORMING
|
update_sta_vht_info_apmode_bf_cap(padapter, psta);
|
#endif
|
|
/* B23 B24 B25 Maximum A-MPDU Length Exponent */
|
pvhtpriv_sta->ampdu_len = GET_VHT_CAPABILITY_ELE_MAX_RXAMPDU_FACTOR(pvhtpriv_sta->vht_cap);
|
|
pcap_mcs = GET_VHT_CAPABILITY_ELE_RX_MCS(pvhtpriv_sta->vht_cap);
|
_rtw_memcpy(pvhtpriv_sta->vht_mcs_map, pcap_mcs, 2);
|
pvhtpriv_sta->vht_highest_rate = rtw_get_vht_highest_rate(pvhtpriv_sta->vht_mcs_map);
|
}
|
|
void update_hw_vht_param(_adapter *padapter)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
|
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
u8 ht_AMPDU_len;
|
|
ht_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
|
|
if (pvhtpriv->ampdu_len > ht_AMPDU_len)
|
rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&pvhtpriv->ampdu_len));
|
}
|
|
#ifdef ROKU_PRIVATE
|
u8 VHT_get_ss_from_map(u8 *vht_mcs_map)
|
{
|
u8 i, j;
|
u8 ss = 0;
|
|
for (i = 0; i < 2; i++) {
|
if (vht_mcs_map[i] != 0xff) {
|
for (j = 0; j < 8; j += 2) {
|
if (((vht_mcs_map[i] >> j) & 0x03) == 0x03)
|
break;
|
ss++;
|
}
|
}
|
|
}
|
|
return ss;
|
}
|
|
void VHT_caps_handler_infra_ap(_adapter *padapter, PNDIS_802_11_VARIABLE_IEs pIE)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv_infra_ap *pvhtpriv = &pmlmepriv->vhtpriv_infra_ap;
|
u8 cur_stbc_cap_infra_ap = 0;
|
u16 cur_beamform_cap_infra_ap = 0;
|
u8 *pcap_mcs;
|
u8 *pcap_mcs_tx;
|
u8 Rx_ss = 0, Tx_ss = 0;
|
|
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
|
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
|
if (pIE == NULL)
|
return;
|
|
pmlmeinfo->ht_vht_received |= BIT(1);
|
|
pvhtpriv->ldpc_cap_infra_ap = GET_VHT_CAPABILITY_ELE_RX_LDPC(pIE->data);
|
|
if (GET_VHT_CAPABILITY_ELE_RX_STBC(pIE->data))
|
SET_FLAG(cur_stbc_cap_infra_ap, STBC_VHT_ENABLE_RX);
|
if (GET_VHT_CAPABILITY_ELE_TX_STBC(pIE->data))
|
SET_FLAG(cur_stbc_cap_infra_ap, STBC_VHT_ENABLE_TX);
|
pvhtpriv->stbc_cap_infra_ap = cur_stbc_cap_infra_ap;
|
|
/*store ap info for channel bandwidth*/
|
pvhtpriv->channel_width_infra_ap = GET_VHT_CAPABILITY_ELE_CHL_WIDTH(pIE->data);
|
|
/*check B11: SU Beamformer Capable and B12: SU Beamformee B19: MU Beamformer B20:MU Beamformee*/
|
if (GET_VHT_CAPABILITY_ELE_SU_BFER(pIE->data))
|
SET_FLAG(cur_beamform_cap_infra_ap, BEAMFORMING_VHT_BEAMFORMER_ENABLE);
|
if (GET_VHT_CAPABILITY_ELE_SU_BFEE(pIE->data))
|
SET_FLAG(cur_beamform_cap_infra_ap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE);
|
if (GET_VHT_CAPABILITY_ELE_MU_BFER(pIE->data))
|
SET_FLAG(cur_beamform_cap_infra_ap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE);
|
if (GET_VHT_CAPABILITY_ELE_MU_BFEE(pIE->data))
|
SET_FLAG(cur_beamform_cap_infra_ap, BEAMFORMING_VHT_MU_MIMO_STA_ENABLE);
|
pvhtpriv->beamform_cap_infra_ap = cur_beamform_cap_infra_ap;
|
|
/*store information about vht_mcs_set*/
|
pcap_mcs = GET_VHT_CAPABILITY_ELE_RX_MCS(pIE->data);
|
pcap_mcs_tx = GET_VHT_CAPABILITY_ELE_TX_MCS(pIE->data);
|
_rtw_memcpy(pvhtpriv->vht_mcs_map_infra_ap, pcap_mcs, 2);
|
_rtw_memcpy(pvhtpriv->vht_mcs_map_tx_infra_ap, pcap_mcs_tx, 2);
|
|
Rx_ss = VHT_get_ss_from_map(pvhtpriv->vht_mcs_map_infra_ap);
|
Tx_ss = VHT_get_ss_from_map(pvhtpriv->vht_mcs_map_tx_infra_ap);
|
if (Rx_ss >= Tx_ss) {
|
pvhtpriv->number_of_streams_infra_ap = Rx_ss;
|
} else{
|
pvhtpriv->number_of_streams_infra_ap = Tx_ss;
|
}
|
|
}
|
#endif /* ROKU_PRIVATE */
|
|
void VHT_caps_handler(_adapter *padapter, PNDIS_802_11_VARIABLE_IEs pIE)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
|
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
u8 cur_ldpc_cap = 0, cur_stbc_cap = 0, rx_nss = 0;
|
u16 cur_beamform_cap = 0;
|
u8 *pcap_mcs;
|
|
if (pIE == NULL)
|
return;
|
|
if (pvhtpriv->vht_option == _FALSE)
|
return;
|
|
pmlmeinfo->VHT_enable = 1;
|
|
/* B4 Rx LDPC */
|
if (TEST_FLAG(pvhtpriv->ldpc_cap, LDPC_VHT_ENABLE_TX) &&
|
GET_VHT_CAPABILITY_ELE_RX_LDPC(pIE->data)) {
|
SET_FLAG(cur_ldpc_cap, (LDPC_VHT_ENABLE_TX | LDPC_VHT_CAP_TX));
|
RTW_INFO("Current VHT LDPC Setting = %02X\n", cur_ldpc_cap);
|
}
|
pvhtpriv->ldpc_cap = cur_ldpc_cap;
|
|
/* B5 Short GI for 80 MHz */
|
pvhtpriv->sgi_80m = (GET_VHT_CAPABILITY_ELE_SHORT_GI80M(pIE->data) & pvhtpriv->sgi_80m) ? _TRUE : _FALSE;
|
/* RTW_INFO("Current ShortGI80MHz = %d\n", pvhtpriv->sgi_80m); */
|
|
/* B8 B9 B10 Rx STBC */
|
if (TEST_FLAG(pvhtpriv->stbc_cap, STBC_VHT_ENABLE_TX) &&
|
GET_VHT_CAPABILITY_ELE_RX_STBC(pIE->data)) {
|
SET_FLAG(cur_stbc_cap, (STBC_VHT_ENABLE_TX | STBC_VHT_CAP_TX));
|
RTW_INFO("Current VHT STBC Setting = %02X\n", cur_stbc_cap);
|
}
|
pvhtpriv->stbc_cap = cur_stbc_cap;
|
#ifdef CONFIG_BEAMFORMING
|
#ifdef RTW_BEAMFORMING_VERSION_2
|
/*
|
* B11 SU Beamformer Capable,
|
* the target supports Beamformer and we are Beamformee
|
*/
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE)
|
&& GET_VHT_CAPABILITY_ELE_SU_BFER(pIE->data)) {
|
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE);
|
|
/* Shift to BEAMFORMING_VHT_BEAMFORMEE_STS_CAP */
|
SET_FLAG(cur_beamform_cap, GET_VHT_CAPABILITY_ELE_SU_BFEE_STS_CAP(pIE->data) << 8);
|
|
/*
|
* B19 MU Beamformer Capable,
|
* the target supports Beamformer and we are Beamformee
|
*/
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_MU_MIMO_STA_ENABLE)
|
&& GET_VHT_CAPABILITY_ELE_MU_BFER(pIE->data))
|
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_MU_MIMO_STA_ENABLE);
|
}
|
|
/*
|
* B12 SU Beamformee Capable,
|
* the target supports Beamformee and we are Beamformer
|
*/
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE)
|
&& GET_VHT_CAPABILITY_ELE_SU_BFEE(pIE->data)) {
|
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE);
|
|
/* Shit to BEAMFORMING_VHT_BEAMFORMER_SOUND_DIM */
|
SET_FLAG(cur_beamform_cap, GET_VHT_CAPABILITY_ELE_SU_BFER_SOUND_DIM_NUM(pIE->data) << 12);
|
|
/*
|
* B20 MU Beamformee Capable,
|
* the target supports Beamformee and we are Beamformer
|
*/
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE)
|
&& GET_VHT_CAPABILITY_ELE_MU_BFEE(pIE->data))
|
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE);
|
}
|
|
pvhtpriv->beamform_cap = cur_beamform_cap;
|
RTW_INFO("Current VHT Beamforming Setting=0x%04X\n", cur_beamform_cap);
|
#else /* !RTW_BEAMFORMING_VERSION_2 */
|
/* B11 SU Beamformer Capable, the target supports Beamformer and we are Beamformee */
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE) &&
|
GET_VHT_CAPABILITY_ELE_SU_BFEE(pIE->data)) {
|
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE);
|
/*Shift to BEAMFORMING_VHT_BEAMFORMER_STS_CAP*/
|
SET_FLAG(cur_beamform_cap, GET_VHT_CAPABILITY_ELE_SU_BFEE_STS_CAP(pIE->data) << 8);
|
}
|
|
/* B12 SU Beamformee Capable, the target supports Beamformee and we are Beamformer */
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE) &&
|
GET_VHT_CAPABILITY_ELE_SU_BFER(pIE->data)) {
|
SET_FLAG(cur_beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE);
|
/*Shit to BEAMFORMING_VHT_BEAMFORMEE_SOUND_DIM*/
|
SET_FLAG(cur_beamform_cap, GET_VHT_CAPABILITY_ELE_SU_BFER_SOUND_DIM_NUM(pIE->data) << 12);
|
|
}
|
pvhtpriv->beamform_cap = cur_beamform_cap;
|
if (cur_beamform_cap)
|
RTW_INFO("Current VHT Beamforming Setting = %02X\n", cur_beamform_cap);
|
#endif /* !RTW_BEAMFORMING_VERSION_2 */
|
#endif /* CONFIG_BEAMFORMING */
|
/* B23 B24 B25 Maximum A-MPDU Length Exponent */
|
pvhtpriv->ampdu_len = GET_VHT_CAPABILITY_ELE_MAX_RXAMPDU_FACTOR(pIE->data);
|
|
pcap_mcs = GET_VHT_CAPABILITY_ELE_RX_MCS(pIE->data);
|
rx_nss = GET_HAL_RX_NSS(padapter);
|
rtw_vht_nss_to_mcsmap(rx_nss, pvhtpriv->vht_mcs_map, pcap_mcs);
|
pvhtpriv->vht_highest_rate = rtw_get_vht_highest_rate(pvhtpriv->vht_mcs_map);
|
}
|
|
void VHT_operation_handler(_adapter *padapter, PNDIS_802_11_VARIABLE_IEs pIE)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
|
if (pIE == NULL)
|
return;
|
|
if (pvhtpriv->vht_option == _FALSE)
|
return;
|
}
|
|
void rtw_process_vht_op_mode_notify(_adapter *padapter, u8 *pframe, void *sta)
|
{
|
struct sta_info *psta = (struct sta_info *)sta;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
struct registry_priv *regsty = adapter_to_regsty(padapter);
|
u8 target_bw;
|
u8 target_rxss, current_rxss;
|
u8 update_ra = _FALSE;
|
u8 tx_nss = 0;
|
|
if (pvhtpriv->vht_option == _FALSE)
|
return;
|
|
target_bw = GET_VHT_OPERATING_MODE_FIELD_CHNL_WIDTH(pframe);
|
tx_nss = GET_HAL_TX_NSS(padapter);
|
target_rxss = rtw_min(tx_nss, (GET_VHT_OPERATING_MODE_FIELD_RX_NSS(pframe) + 1));
|
|
if (target_bw != psta->cmn.bw_mode) {
|
if (hal_is_bw_support(padapter, target_bw)
|
&& REGSTY_IS_BW_5G_SUPPORT(regsty, target_bw)
|
) {
|
update_ra = _TRUE;
|
psta->cmn.bw_mode = target_bw;
|
}
|
}
|
|
current_rxss = rtw_vht_mcsmap_to_nss(psta->vhtpriv.vht_mcs_map);
|
if (target_rxss != current_rxss) {
|
u8 vht_mcs_map[2] = {};
|
|
update_ra = _TRUE;
|
|
rtw_vht_nss_to_mcsmap(target_rxss, vht_mcs_map, psta->vhtpriv.vht_mcs_map);
|
_rtw_memcpy(psta->vhtpriv.vht_mcs_map, vht_mcs_map, 2);
|
|
rtw_hal_update_sta_ra_info(padapter, psta);
|
}
|
|
if (update_ra)
|
rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
|
}
|
|
u32 rtw_build_vht_operation_ie(_adapter *padapter, u8 *pbuf, u8 channel)
|
{
|
struct registry_priv *pregistrypriv = &padapter->registrypriv;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
/* struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; */
|
u8 ChnlWidth, center_freq, bw_mode;
|
u32 len = 0;
|
u8 operation[5];
|
|
_rtw_memset(operation, 0, 5);
|
|
bw_mode = REGSTY_BW_5G(pregistrypriv); /* TODO: control op bw with other info */
|
|
if (hal_chk_bw_cap(padapter, BW_CAP_80M | BW_CAP_160M)
|
&& REGSTY_BW_5G(pregistrypriv) >= CHANNEL_WIDTH_80
|
) {
|
center_freq = rtw_get_center_ch(channel, bw_mode, HAL_PRIME_CHNL_OFFSET_LOWER);
|
ChnlWidth = 1;
|
} else {
|
center_freq = 0;
|
ChnlWidth = 0;
|
}
|
|
SET_VHT_OPERATION_ELE_CHL_WIDTH(operation, ChnlWidth);
|
/* center frequency */
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ1(operation, center_freq);/* Todo: need to set correct center channel */
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ2(operation, 0);
|
|
_rtw_memcpy(operation + 3, pvhtpriv->vht_mcs_map, 2);
|
|
rtw_set_ie(pbuf, EID_VHTOperation, 5, operation, &len);
|
|
return len;
|
}
|
|
u32 rtw_build_vht_op_mode_notify_ie(_adapter *padapter, u8 *pbuf, u8 bw)
|
{
|
/* struct registry_priv *pregistrypriv = &padapter->registrypriv; */
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
u32 len = 0;
|
u8 opmode = 0;
|
u8 chnl_width, rx_nss;
|
|
chnl_width = bw;
|
rx_nss = rtw_vht_mcsmap_to_nss(pvhtpriv->vht_mcs_map);
|
|
SET_VHT_OPERATING_MODE_FIELD_CHNL_WIDTH(&opmode, chnl_width);
|
SET_VHT_OPERATING_MODE_FIELD_RX_NSS(&opmode, (rx_nss - 1));
|
SET_VHT_OPERATING_MODE_FIELD_RX_NSS_TYPE(&opmode, 0); /* Todo */
|
|
pvhtpriv->vht_op_mode_notify = opmode;
|
|
pbuf = rtw_set_ie(pbuf, EID_OpModeNotification, 1, &opmode, &len);
|
|
return len;
|
}
|
|
u32 rtw_build_vht_cap_ie(_adapter *padapter, u8 *pbuf)
|
{
|
u8 bw, rf_num;
|
u16 HighestRate;
|
u8 *pcap, *pcap_mcs;
|
u32 len = 0;
|
u32 rx_packet_offset, max_recvbuf_sz;
|
struct registry_priv *pregistrypriv = &padapter->registrypriv;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
|
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
|
pcap = pvhtpriv->vht_cap;
|
_rtw_memset(pcap, 0, 32);
|
|
/*
|
* VHT Capabilities Information field : B0 to B31
|
*/
|
/* B0 B1 Maximum MPDU Length */
|
rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
|
rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
|
|
RTW_DBG("%s, Available RX buf size = %d bytes\n", __FUNCTION__, max_recvbuf_sz - rx_packet_offset);
|
|
if ((max_recvbuf_sz - rx_packet_offset) >= 11454) {
|
SET_VHT_CAPABILITY_ELE_MAX_MPDU_LENGTH(pcap, 2);
|
RTW_INFO("[VHT] Declare supporting MAX MPDU len = 11454 bytes\n");
|
} else if ((max_recvbuf_sz - rx_packet_offset) >= 7991) {
|
SET_VHT_CAPABILITY_ELE_MAX_MPDU_LENGTH(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting MAX MPDU len = 7991 bytes\n");
|
} else if ((max_recvbuf_sz - rx_packet_offset) >= 3895) {
|
SET_VHT_CAPABILITY_ELE_MAX_MPDU_LENGTH(pcap, 0);
|
RTW_INFO("[VHT] Declare supporting MAX MPDU len = 3895 bytes\n");
|
} else
|
RTW_ERR("[VHT] Error!! Available RX buf size < 3895 bytes\n");
|
|
/* B2 B3 Supported Channel Width Set */
|
if (hal_chk_bw_cap(padapter, BW_CAP_160M) && REGSTY_IS_BW_5G_SUPPORT(pregistrypriv, CHANNEL_WIDTH_160)) {
|
if (hal_chk_bw_cap(padapter, BW_CAP_80_80M) && REGSTY_IS_BW_5G_SUPPORT(pregistrypriv, CHANNEL_WIDTH_80_80)) {
|
SET_VHT_CAPABILITY_ELE_CHL_WIDTH(pcap, 2);
|
RTW_INFO("[VHT] Declare supporting 160MHz and 80+80MHz\n");
|
} else {
|
SET_VHT_CAPABILITY_ELE_CHL_WIDTH(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting 160MHz\n");
|
}
|
} else
|
SET_VHT_CAPABILITY_ELE_CHL_WIDTH(pcap, 0);
|
|
/* B4 Rx LDPC */
|
if (TEST_FLAG(pvhtpriv->ldpc_cap, LDPC_VHT_ENABLE_RX)) {
|
SET_VHT_CAPABILITY_ELE_RX_LDPC(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting RX LDPC\n");
|
}
|
|
/* B5 ShortGI for 80MHz */
|
SET_VHT_CAPABILITY_ELE_SHORT_GI80M(pcap, pvhtpriv->sgi_80m ? 1 : 0);
|
if (pvhtpriv->sgi_80m)
|
RTW_INFO("[VHT] Declare supporting SGI 80MHz\n");
|
|
/* B6 Short GI for 160 and 80+80 MHz */
|
SET_VHT_CAPABILITY_ELE_SHORT_GI160M(pcap, pvhtpriv->sgi_160m ? 1 : 0);
|
if (pvhtpriv->sgi_160m) {
|
RTW_INFO("[VHT] Declare supporting SGI 160MHz and 80+80MHz\n");
|
}
|
|
/* B7 Tx STBC */
|
if (TEST_FLAG(pvhtpriv->stbc_cap, STBC_VHT_ENABLE_TX)) {
|
SET_VHT_CAPABILITY_ELE_TX_STBC(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting TX STBC\n");
|
}
|
|
/* B8 B9 B10 Rx STBC */
|
if (TEST_FLAG(pvhtpriv->stbc_cap, STBC_VHT_ENABLE_RX)) {
|
SET_VHT_CAPABILITY_ELE_RX_STBC(pcap, pvhtpriv->rx_stbc_nss);
|
RTW_INFO("[VHT] Declare supporting %uSS RX STBC\n", pvhtpriv->rx_stbc_nss);
|
}
|
|
#ifdef CONFIG_BEAMFORMING
|
/* B11 SU Beamformer Capable */
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMER_ENABLE)) {
|
SET_VHT_CAPABILITY_ELE_SU_BFER(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting SU Beamformer\n");
|
/* B16 17 18 Number of Sounding Dimensions */
|
rtw_hal_get_def_var(padapter, HAL_DEF_BEAMFORMER_CAP, (u8 *)&rf_num);
|
SET_VHT_CAPABILITY_ELE_SOUNDING_DIMENSIONS(pcap, rf_num);
|
/* B19 MU Beamformer Capable */
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_MU_MIMO_AP_ENABLE)) {
|
SET_VHT_CAPABILITY_ELE_MU_BFER(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting MU Beamformer\n");
|
}
|
}
|
|
/* B12 SU Beamformee Capable */
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_BEAMFORMEE_ENABLE)) {
|
SET_VHT_CAPABILITY_ELE_SU_BFEE(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting SU Beamformee\n");
|
|
rtw_hal_get_def_var(padapter, HAL_DEF_BEAMFORMEE_CAP, (u8 *)&rf_num);
|
|
/* IOT action suggested by Yu Chen 2017/3/3 */
|
if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_BROADCOM) &&
|
!pvhtpriv->ap_bf_cap.is_mu_bfer &&
|
pvhtpriv->ap_bf_cap.su_sound_dim == 2)
|
rf_num = (rf_num >= 2 ? 2 : rf_num);
|
|
/* B13 14 15 Beamformee STS Capability */
|
SET_VHT_CAPABILITY_ELE_SU_BFEE_STS_CAP(pcap, rf_num);
|
|
/* B20 MU Beamformee Capable */
|
if (TEST_FLAG(pvhtpriv->beamform_cap, BEAMFORMING_VHT_MU_MIMO_STA_ENABLE)) {
|
SET_VHT_CAPABILITY_ELE_MU_BFEE(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting MU Beamformee\n");
|
}
|
}
|
#endif/*CONFIG_BEAMFORMING*/
|
|
/* B21 VHT TXOP PS */
|
if (pvhtpriv->txop_ps) {
|
SET_VHT_CAPABILITY_ELE_TXOP_PS(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting VHT TXOP power save\n");
|
}
|
|
/* B22 +HTC-VHT Capable */
|
if (pvhtpriv->htc_vht) {
|
SET_VHT_CAPABILITY_ELE_HTC_VHT(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting VHT variant HT Control\n");
|
}
|
|
/* B23 24 25 Maximum A-MPDU Length Exponent */
|
SET_VHT_CAPABILITY_ELE_MAX_RXAMPDU_FACTOR(pcap, pvhtpriv->ampdu_len);
|
RTW_INFO("[VHT] Declare supporting RX A-MPDU Length Exponent = %u\n", pvhtpriv->ampdu_len);
|
|
/* B26 27 VHT Link Adaptation Capable */
|
if (pvhtpriv->link_adap_cap) {
|
SET_VHT_CAPABILITY_ELE_LINK_ADAPTION(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting link adaptation using VHT variant HT Control\n");
|
}
|
|
/* B28 Rx Antenna Pattern Consistency */
|
if (pvhtpriv->rx_ant_pattern) {
|
SET_VHT_CAPABILITY_ELE_RX_ANT_PATTERN(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting RX Antenna Pattern Consistency\n");
|
}
|
|
/* B29 Tx Antenna Pattern Consistency */
|
if (pvhtpriv->tx_ant_pattern) {
|
SET_VHT_CAPABILITY_ELE_TX_ANT_PATTERN(pcap, 1);
|
RTW_INFO("[VHT] Declare supporting TX Antenna Pattern Consistency\n");
|
}
|
|
/* B30 B31 Extended NSS BW Support */
|
SET_VHT_CAPABILITY_ELE_EXT_NSS_BW(pcap, pvhtpriv->ext_nss_bw);
|
|
/*
|
* Supported VHT-MCS and NSS Set : 8 bytes
|
*/
|
pcap_mcs = GET_VHT_CAPABILITY_ELE_RX_MCS(pcap);
|
_rtw_memcpy(pcap_mcs, pvhtpriv->vht_mcs_map, 2);
|
|
pcap_mcs = GET_VHT_CAPABILITY_ELE_TX_MCS(pcap);
|
_rtw_memcpy(pcap_mcs, pvhtpriv->vht_mcs_map, 2);
|
|
/* find the largest bw supported by both registry and hal */
|
bw = hal_largest_bw(padapter, REGSTY_BW_5G(pregistrypriv));
|
|
HighestRate = VHT_MCS_DATA_RATE[bw][pvhtpriv->sgi_80m][((pvhtpriv->vht_highest_rate - MGN_VHT1SS_MCS0) & 0x3f)];
|
HighestRate = (HighestRate + 1) >> 1;
|
|
SET_VHT_CAPABILITY_ELE_MCS_RX_HIGHEST_RATE(pcap, HighestRate); /* indicate we support highest rx rate is 600Mbps. */
|
SET_VHT_CAPABILITY_ELE_MCS_TX_HIGHEST_RATE(pcap, HighestRate); /* indicate we support highest tx rate is 600Mbps. */
|
|
pbuf = rtw_set_ie(pbuf, EID_VHTCapability, 12, pcap, &len);
|
|
return len;
|
}
|
|
u32 rtw_restructure_vht_ie(_adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, struct country_chplan *req_chplan)
|
{
|
struct rf_ctl_t *rfctl = adapter_to_rfctl(padapter);
|
RT_CHANNEL_INFO *chset = rfctl->channel_set;
|
u32 ielen;
|
u8 max_bw;
|
u8 oper_ch, oper_bw = CHANNEL_WIDTH_20, oper_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
|
u8 *out_vht_op_ie, *ht_op_ie, *vht_cap_ie, *vht_op_ie;
|
struct registry_priv *pregistrypriv = &padapter->registrypriv;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
|
rtw_vht_use_default_setting(padapter);
|
|
ht_op_ie = rtw_get_ie(in_ie + 12, WLAN_EID_HT_OPERATION, &ielen, in_len - 12);
|
if (!ht_op_ie || ielen != HT_OP_IE_LEN)
|
goto exit;
|
vht_cap_ie = rtw_get_ie(in_ie + 12, EID_VHTCapability, &ielen, in_len - 12);
|
if (!vht_cap_ie || ielen != VHT_CAP_IE_LEN)
|
goto exit;
|
vht_op_ie = rtw_get_ie(in_ie + 12, EID_VHTOperation, &ielen, in_len - 12);
|
if (!vht_op_ie || ielen != VHT_OP_IE_LEN)
|
goto exit;
|
|
/* VHT Capabilities element */
|
*pout_len += rtw_build_vht_cap_ie(padapter, out_ie + *pout_len);
|
|
|
/* VHT Operation element */
|
out_vht_op_ie = out_ie + *pout_len;
|
rtw_set_ie(out_vht_op_ie, EID_VHTOperation, VHT_OP_IE_LEN, vht_op_ie + 2 , pout_len);
|
|
/* get primary channel from HT_OP_IE */
|
oper_ch = GET_HT_OP_ELE_PRI_CHL(ht_op_ie + 2);
|
|
/* find the largest bw supported by both registry and hal */
|
max_bw = hal_largest_bw(padapter, REGSTY_BW_5G(pregistrypriv));
|
|
if (max_bw >= CHANNEL_WIDTH_40) {
|
/* get bw offset form HT_OP_IE */
|
if (GET_HT_OP_ELE_STA_CHL_WIDTH(ht_op_ie + 2)) {
|
switch (GET_HT_OP_ELE_2ND_CHL_OFFSET(ht_op_ie + 2)) {
|
case SCA:
|
oper_bw = CHANNEL_WIDTH_40;
|
oper_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
|
break;
|
case SCB:
|
oper_bw = CHANNEL_WIDTH_40;
|
oper_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
|
break;
|
}
|
}
|
|
if (oper_bw == CHANNEL_WIDTH_40) {
|
switch (GET_VHT_OPERATION_ELE_CHL_WIDTH(vht_op_ie + 2)) {
|
case 1: /* 80MHz */
|
case 2: /* 160MHz */
|
case 3: /* 80+80 */
|
oper_bw = CHANNEL_WIDTH_80; /* only support up to 80MHz for now */
|
break;
|
}
|
|
oper_bw = rtw_min(oper_bw, max_bw);
|
|
/* try downgrage bw to fit in channel plan setting */
|
while ((req_chplan && !rtw_country_chplan_is_chbw_valid(req_chplan, BAND_ON_5G, oper_ch, oper_bw, oper_offset, 1, 1, pregistrypriv))
|
|| (!req_chplan && !rtw_chset_is_chbw_valid(chset, oper_ch, oper_bw, oper_offset, 1, 1))
|
|| (IS_DFS_SLAVE_WITH_RD(rfctl)
|
&& !rtw_rfctl_dfs_domain_unknown(rfctl)
|
&& rtw_chset_is_chbw_non_ocp(chset, oper_ch, oper_bw, oper_offset))
|
) {
|
oper_bw--;
|
if (oper_bw == CHANNEL_WIDTH_20) {
|
oper_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
|
break;
|
}
|
}
|
}
|
}
|
|
rtw_warn_on(req_chplan && !rtw_country_chplan_is_chbw_valid(req_chplan, BAND_ON_5G, oper_ch, oper_bw, oper_offset, 1, 1, pregistrypriv));
|
rtw_warn_on(!req_chplan && !rtw_chset_is_chbw_valid(chset, oper_ch, oper_bw, oper_offset, 1, 1));
|
if (IS_DFS_SLAVE_WITH_RD(rfctl) && !rtw_rfctl_dfs_domain_unknown(rfctl))
|
rtw_warn_on(rtw_chset_is_chbw_non_ocp(chset, oper_ch, oper_bw, oper_offset));
|
|
/* update VHT_OP_IE */
|
if (oper_bw < CHANNEL_WIDTH_80) {
|
SET_VHT_OPERATION_ELE_CHL_WIDTH(out_vht_op_ie + 2, 0);
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ1(out_vht_op_ie + 2, 0);
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ2(out_vht_op_ie + 2, 0);
|
} else if (oper_bw == CHANNEL_WIDTH_80) {
|
u8 cch = rtw_get_center_ch(oper_ch, oper_bw, oper_offset);
|
|
SET_VHT_OPERATION_ELE_CHL_WIDTH(out_vht_op_ie + 2, 1);
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ1(out_vht_op_ie + 2, cch);
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ2(out_vht_op_ie + 2, 0);
|
} else {
|
RTW_ERR(FUNC_ADPT_FMT" unsupported BW:%u\n", FUNC_ADPT_ARG(padapter), oper_bw);
|
rtw_warn_on(1);
|
}
|
|
/* Operating Mode Notification element */
|
*pout_len += rtw_build_vht_op_mode_notify_ie(padapter, out_ie + *pout_len, oper_bw);
|
|
pvhtpriv->vht_option = _TRUE;
|
|
exit:
|
return pvhtpriv->vht_option;
|
|
}
|
|
void VHTOnAssocRsp(_adapter *padapter)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
|
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
|
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
u8 ht_AMPDU_len;
|
|
RTW_INFO("%s\n", __FUNCTION__);
|
|
if (!pmlmeinfo->HT_enable)
|
return;
|
|
if (!pmlmeinfo->VHT_enable)
|
return;
|
|
ht_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
|
|
if (pvhtpriv->ampdu_len > ht_AMPDU_len)
|
rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&pvhtpriv->ampdu_len));
|
|
rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MAX_TIME, (u8 *)(&pvhtpriv->vht_highest_rate));
|
}
|
|
#ifdef CONFIG_AP_MODE
|
void rtw_vht_ies_attach(_adapter *padapter, WLAN_BSSID_EX *pnetwork)
|
{
|
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
|
u8 cap_len, operation_len;
|
uint len = 0;
|
sint ie_len = 0;
|
u8 *p = NULL;
|
|
p = rtw_get_ie(pnetwork->IEs + _BEACON_IE_OFFSET_, EID_VHTCapability, &ie_len,
|
(pnetwork->IELength - _BEACON_IE_OFFSET_));
|
if (p && ie_len > 0)
|
return;
|
|
rtw_vht_use_default_setting(padapter);
|
|
/* VHT Operation mode notifiy bit in Extended IE (127) */
|
rtw_add_ext_cap_info(pmlmepriv->ext_capab_ie_data, &(pmlmepriv->ext_capab_ie_len), OP_MODE_NOTIFICATION);
|
rtw_update_ext_cap_ie(pmlmepriv->ext_capab_ie_data, pmlmepriv->ext_capab_ie_len, pnetwork->IEs \
|
, &(pnetwork->IELength), _BEACON_IE_OFFSET_);
|
|
/* VHT Capabilities element */
|
cap_len = rtw_build_vht_cap_ie(padapter, pnetwork->IEs + pnetwork->IELength);
|
pnetwork->IELength += cap_len;
|
|
/* VHT Operation element */
|
operation_len = rtw_build_vht_operation_ie(padapter, pnetwork->IEs + pnetwork->IELength,
|
pnetwork->Configuration.DSConfig);
|
pnetwork->IELength += operation_len;
|
|
rtw_check_for_vht20(padapter, pnetwork->IEs + _BEACON_IE_OFFSET_, pnetwork->IELength - _BEACON_IE_OFFSET_);
|
|
pmlmepriv->vhtpriv.vht_option = _TRUE;
|
}
|
|
void rtw_vht_ies_detach(_adapter *padapter, WLAN_BSSID_EX *pnetwork)
|
{
|
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
|
|
rtw_remove_ext_cap_info(pmlmepriv->ext_capab_ie_data, &(pmlmepriv->ext_capab_ie_len), OP_MODE_NOTIFICATION);
|
rtw_update_ext_cap_ie(pmlmepriv->ext_capab_ie_data, pmlmepriv->ext_capab_ie_len, pnetwork->IEs \
|
, &(pnetwork->IELength), _BEACON_IE_OFFSET_);
|
|
rtw_remove_bcn_ie(padapter, pnetwork, EID_VHTCapability);
|
rtw_remove_bcn_ie(padapter, pnetwork, EID_VHTOperation);
|
rtw_remove_bcn_ie(padapter, pnetwork, EID_VHTTransmitPower);
|
|
pmlmepriv->vhtpriv.vht_option = _FALSE;
|
}
|
|
void rtw_check_for_vht20(_adapter *adapter, u8 *ies, int ies_len)
|
{
|
u8 ht_ch, ht_bw, ht_offset;
|
u8 vht_ch, vht_bw, vht_offset;
|
|
rtw_ies_get_chbw(ies, ies_len, &ht_ch, &ht_bw, &ht_offset, 1, 0);
|
rtw_ies_get_chbw(ies, ies_len, &vht_ch, &vht_bw, &vht_offset, 1, 1);
|
|
if (ht_bw == CHANNEL_WIDTH_20 && vht_bw >= CHANNEL_WIDTH_80) {
|
u8 *vht_op_ie;
|
int vht_op_ielen;
|
|
RTW_INFO(FUNC_ADPT_FMT" vht80 is not allowed without ht40\n", FUNC_ADPT_ARG(adapter));
|
vht_op_ie = rtw_get_ie(ies, EID_VHTOperation, &vht_op_ielen, ies_len);
|
if (vht_op_ie && vht_op_ielen) {
|
RTW_INFO(FUNC_ADPT_FMT" switch to vht20\n", FUNC_ADPT_ARG(adapter));
|
SET_VHT_OPERATION_ELE_CHL_WIDTH(vht_op_ie + 2, 0);
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ1(vht_op_ie + 2, 0);
|
SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ2(vht_op_ie + 2, 0);
|
}
|
}
|
}
|
|
/* We need to update the (mlmepriv->vhtpriv) */
|
void rtw_update_drv_vht_cap(_adapter *padapter, u8 *vht_cap_ie)
|
{
|
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
|
struct vht_priv *pvhtpriv = &(pmlmepriv->vhtpriv);
|
struct registry_priv *pregpriv = &padapter->registrypriv;
|
s32 ie_len = 0;
|
u32 rx_packet_offset, max_recvbuf_sz, available_mpdu_sz;
|
u8 cap_val;
|
u8 *pvht_cap;
|
|
/* Initialize VHT capability element */
|
rtw_vht_use_default_setting(padapter);
|
|
RTW_INFO("Don't setting VHT capability IE from hostap, builded by driver temporarily\n");
|
rtw_build_vht_cap_ie(padapter, vht_cap_ie);
|
}
|
|
void rtw_set_vht_ext_cap(_adapter *padapter, WLAN_BSSID_EX *pnetwork)
|
{
|
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
|
struct vht_priv *pvhtpriv = &(pmlmepriv->vhtpriv);
|
u32 frlen = 0;
|
u32 ie_len;
|
u32 ies_len = pnetwork->IELength - _BEACON_IE_OFFSET_;
|
u8 *ies = pnetwork->IEs + _BEACON_IE_OFFSET_;
|
u8 *pbuf;
|
|
rtw_add_ext_cap_info(pmlmepriv->ext_capab_ie_data, &(pmlmepriv->ext_capab_ie_len), OP_MODE_NOTIFICATION);
|
rtw_update_ext_cap_ie(pmlmepriv->ext_capab_ie_data, pmlmepriv->ext_capab_ie_len, pnetwork->IEs \
|
, &(pnetwork->IELength), _BEACON_IE_OFFSET_);
|
}
|
|
void rtw_check_vht_ies(_adapter *padapter, WLAN_BSSID_EX *pnetwork)
|
{
|
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
|
struct vht_priv *pvhtpriv = &(pmlmepriv->vhtpriv);
|
u32 ie_len;
|
u32 ies_len = pnetwork->IELength - _BEACON_IE_OFFSET_;
|
u8 *ies = pnetwork->IEs + _BEACON_IE_OFFSET_;
|
u8 *vht_cap_ie, *vht_op_ie;
|
|
vht_cap_ie = rtw_get_ie(ies, EID_VHTCapability, &ie_len, ies_len);
|
vht_op_ie = rtw_get_ie(ies, EID_VHTOperation, &ie_len, ies_len);
|
|
rtw_update_drv_vht_cap(padapter, vht_cap_ie);
|
rtw_set_vht_ext_cap(padapter, pnetwork);
|
|
/* Backup these two VHT IEs from hostapd/wpa_supplicant for restore usage */
|
if (vht_cap_ie != NULL)
|
_rtw_memcpy(pvhtpriv->vht_cap_ie_backup, vht_cap_ie + 2, VHT_CAP_IE_LEN);
|
|
if (vht_op_ie != NULL)
|
_rtw_memcpy(pvhtpriv->vht_op_ie_backup, vht_op_ie + 2, VHT_OP_IE_LEN);
|
|
/* TODO : We don't handle this IE like before, so remove it */
|
rtw_remove_bcn_ie(padapter, pnetwork, EID_VHTTransmitPower);
|
}
|
|
void rtw_reattach_vht_ies(_adapter *padapter, WLAN_BSSID_EX *pnetwork)
|
{
|
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
|
struct vht_priv *pvhtpriv = &(pmlmepriv->vhtpriv);
|
u8 *vht_cap_ie = pnetwork->IEs + pnetwork->IELength;
|
u8 *vht_op_ie;
|
|
RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
|
|
if (pnetwork->IEs != NULL) {
|
vht_op_ie = rtw_set_ie(vht_cap_ie, EID_VHTCapability, VHT_CAP_IE_LEN,
|
pvhtpriv->vht_cap_ie_backup, &(pnetwork->IELength));
|
|
rtw_set_ie(vht_op_ie, EID_VHTOperation, VHT_OP_IE_LEN,
|
pvhtpriv->vht_op_ie_backup, &(pnetwork->IELength));
|
|
rtw_set_vht_ext_cap(padapter, pnetwork);
|
}
|
|
pmlmepriv->vhtpriv.vht_option = _TRUE;
|
}
|
#endif /* CONFIG_AP_MODE */
|
#endif /* CONFIG_80211AC_VHT */
|
