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1// SPDX-License-Identifier: BSD-3-Clause-Clear2/*3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.4 * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.5 */6 7#include <net/mac80211.h>8#include <net/cfg80211.h>9#include <linux/etherdevice.h>10#include <linux/bitfield.h>11#include <linux/inetdevice.h>12#include <net/if_inet6.h>13#include <net/ipv6.h>14 15#include "mac.h"16#include "core.h"17#include "debug.h"18#include "wmi.h"19#include "hw.h"20#include "dp_tx.h"21#include "dp_rx.h"22#include "testmode.h"23#include "peer.h"24#include "debugfs_sta.h"25#include "hif.h"26#include "wow.h"27 28#define CHAN2G(_channel, _freq, _flags) { \29 .band = NL80211_BAND_2GHZ, \30 .hw_value = (_channel), \31 .center_freq = (_freq), \32 .flags = (_flags), \33 .max_antenna_gain = 0, \34 .max_power = 30, \35}36 37#define CHAN5G(_channel, _freq, _flags) { \38 .band = NL80211_BAND_5GHZ, \39 .hw_value = (_channel), \40 .center_freq = (_freq), \41 .flags = (_flags), \42 .max_antenna_gain = 0, \43 .max_power = 30, \44}45 46#define CHAN6G(_channel, _freq, _flags) { \47 .band = NL80211_BAND_6GHZ, \48 .hw_value = (_channel), \49 .center_freq = (_freq), \50 .flags = (_flags), \51 .max_antenna_gain = 0, \52 .max_power = 30, \53}54 55static const struct ieee80211_channel ath11k_2ghz_channels[] = {56 CHAN2G(1, 2412, 0),57 CHAN2G(2, 2417, 0),58 CHAN2G(3, 2422, 0),59 CHAN2G(4, 2427, 0),60 CHAN2G(5, 2432, 0),61 CHAN2G(6, 2437, 0),62 CHAN2G(7, 2442, 0),63 CHAN2G(8, 2447, 0),64 CHAN2G(9, 2452, 0),65 CHAN2G(10, 2457, 0),66 CHAN2G(11, 2462, 0),67 CHAN2G(12, 2467, 0),68 CHAN2G(13, 2472, 0),69 CHAN2G(14, 2484, 0),70};71 72static const struct ieee80211_channel ath11k_5ghz_channels[] = {73 CHAN5G(36, 5180, 0),74 CHAN5G(40, 5200, 0),75 CHAN5G(44, 5220, 0),76 CHAN5G(48, 5240, 0),77 CHAN5G(52, 5260, 0),78 CHAN5G(56, 5280, 0),79 CHAN5G(60, 5300, 0),80 CHAN5G(64, 5320, 0),81 CHAN5G(100, 5500, 0),82 CHAN5G(104, 5520, 0),83 CHAN5G(108, 5540, 0),84 CHAN5G(112, 5560, 0),85 CHAN5G(116, 5580, 0),86 CHAN5G(120, 5600, 0),87 CHAN5G(124, 5620, 0),88 CHAN5G(128, 5640, 0),89 CHAN5G(132, 5660, 0),90 CHAN5G(136, 5680, 0),91 CHAN5G(140, 5700, 0),92 CHAN5G(144, 5720, 0),93 CHAN5G(149, 5745, 0),94 CHAN5G(153, 5765, 0),95 CHAN5G(157, 5785, 0),96 CHAN5G(161, 5805, 0),97 CHAN5G(165, 5825, 0),98 CHAN5G(169, 5845, 0),99 CHAN5G(173, 5865, 0),100 CHAN5G(177, 5885, 0),101};102 103static const struct ieee80211_channel ath11k_6ghz_channels[] = {104 CHAN6G(1, 5955, 0),105 CHAN6G(5, 5975, 0),106 CHAN6G(9, 5995, 0),107 CHAN6G(13, 6015, 0),108 CHAN6G(17, 6035, 0),109 CHAN6G(21, 6055, 0),110 CHAN6G(25, 6075, 0),111 CHAN6G(29, 6095, 0),112 CHAN6G(33, 6115, 0),113 CHAN6G(37, 6135, 0),114 CHAN6G(41, 6155, 0),115 CHAN6G(45, 6175, 0),116 CHAN6G(49, 6195, 0),117 CHAN6G(53, 6215, 0),118 CHAN6G(57, 6235, 0),119 CHAN6G(61, 6255, 0),120 CHAN6G(65, 6275, 0),121 CHAN6G(69, 6295, 0),122 CHAN6G(73, 6315, 0),123 CHAN6G(77, 6335, 0),124 CHAN6G(81, 6355, 0),125 CHAN6G(85, 6375, 0),126 CHAN6G(89, 6395, 0),127 CHAN6G(93, 6415, 0),128 CHAN6G(97, 6435, 0),129 CHAN6G(101, 6455, 0),130 CHAN6G(105, 6475, 0),131 CHAN6G(109, 6495, 0),132 CHAN6G(113, 6515, 0),133 CHAN6G(117, 6535, 0),134 CHAN6G(121, 6555, 0),135 CHAN6G(125, 6575, 0),136 CHAN6G(129, 6595, 0),137 CHAN6G(133, 6615, 0),138 CHAN6G(137, 6635, 0),139 CHAN6G(141, 6655, 0),140 CHAN6G(145, 6675, 0),141 CHAN6G(149, 6695, 0),142 CHAN6G(153, 6715, 0),143 CHAN6G(157, 6735, 0),144 CHAN6G(161, 6755, 0),145 CHAN6G(165, 6775, 0),146 CHAN6G(169, 6795, 0),147 CHAN6G(173, 6815, 0),148 CHAN6G(177, 6835, 0),149 CHAN6G(181, 6855, 0),150 CHAN6G(185, 6875, 0),151 CHAN6G(189, 6895, 0),152 CHAN6G(193, 6915, 0),153 CHAN6G(197, 6935, 0),154 CHAN6G(201, 6955, 0),155 CHAN6G(205, 6975, 0),156 CHAN6G(209, 6995, 0),157 CHAN6G(213, 7015, 0),158 CHAN6G(217, 7035, 0),159 CHAN6G(221, 7055, 0),160 CHAN6G(225, 7075, 0),161 CHAN6G(229, 7095, 0),162 CHAN6G(233, 7115, 0),163 164 /* new addition in IEEE Std 802.11ax-2021 */165 CHAN6G(2, 5935, 0),166};167 168static struct ieee80211_rate ath11k_legacy_rates[] = {169 { .bitrate = 10,170 .hw_value = ATH11K_HW_RATE_CCK_LP_1M },171 { .bitrate = 20,172 .hw_value = ATH11K_HW_RATE_CCK_LP_2M,173 .hw_value_short = ATH11K_HW_RATE_CCK_SP_2M,174 .flags = IEEE80211_RATE_SHORT_PREAMBLE },175 { .bitrate = 55,176 .hw_value = ATH11K_HW_RATE_CCK_LP_5_5M,177 .hw_value_short = ATH11K_HW_RATE_CCK_SP_5_5M,178 .flags = IEEE80211_RATE_SHORT_PREAMBLE },179 { .bitrate = 110,180 .hw_value = ATH11K_HW_RATE_CCK_LP_11M,181 .hw_value_short = ATH11K_HW_RATE_CCK_SP_11M,182 .flags = IEEE80211_RATE_SHORT_PREAMBLE },183 184 { .bitrate = 60, .hw_value = ATH11K_HW_RATE_OFDM_6M },185 { .bitrate = 90, .hw_value = ATH11K_HW_RATE_OFDM_9M },186 { .bitrate = 120, .hw_value = ATH11K_HW_RATE_OFDM_12M },187 { .bitrate = 180, .hw_value = ATH11K_HW_RATE_OFDM_18M },188 { .bitrate = 240, .hw_value = ATH11K_HW_RATE_OFDM_24M },189 { .bitrate = 360, .hw_value = ATH11K_HW_RATE_OFDM_36M },190 { .bitrate = 480, .hw_value = ATH11K_HW_RATE_OFDM_48M },191 { .bitrate = 540, .hw_value = ATH11K_HW_RATE_OFDM_54M },192};193 194static const int195ath11k_phymodes[NUM_NL80211_BANDS][ATH11K_CHAN_WIDTH_NUM] = {196 [NL80211_BAND_2GHZ] = {197 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,198 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,199 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20_2G,200 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20_2G,201 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40_2G,202 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80_2G,203 [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN,204 [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN,205 },206 [NL80211_BAND_5GHZ] = {207 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,208 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,209 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,210 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,211 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,212 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,213 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,214 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,215 },216 [NL80211_BAND_6GHZ] = {217 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,218 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,219 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,220 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,221 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,222 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,223 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,224 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,225 },226 227};228 229const struct htt_rx_ring_tlv_filter ath11k_mac_mon_status_filter_default = {230 .rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START |231 HTT_RX_FILTER_TLV_FLAGS_PPDU_END |232 HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE,233 .pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0,234 .pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1,235 .pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2,236 .pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3 |237 HTT_RX_FP_CTRL_FILTER_FLASG3238};239 240#define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4241#define ath11k_g_rates ath11k_legacy_rates242#define ath11k_g_rates_size (ARRAY_SIZE(ath11k_legacy_rates))243#define ath11k_a_rates (ath11k_legacy_rates + 4)244#define ath11k_a_rates_size (ARRAY_SIZE(ath11k_legacy_rates) - 4)245 246#define ATH11K_MAC_SCAN_CMD_EVT_OVERHEAD 200 /* in msecs */247 248/* Overhead due to the processing of channel switch events from FW */249#define ATH11K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD 10 /* in msecs */250 251static const u32 ath11k_smps_map[] = {252 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,253 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,254 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,255 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,256};257 258enum nl80211_he_ru_alloc ath11k_mac_phy_he_ru_to_nl80211_he_ru_alloc(u16 ru_phy)259{260 enum nl80211_he_ru_alloc ret;261 262 switch (ru_phy) {263 case RU_26:264 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;265 break;266 case RU_52:267 ret = NL80211_RATE_INFO_HE_RU_ALLOC_52;268 break;269 case RU_106:270 ret = NL80211_RATE_INFO_HE_RU_ALLOC_106;271 break;272 case RU_242:273 ret = NL80211_RATE_INFO_HE_RU_ALLOC_242;274 break;275 case RU_484:276 ret = NL80211_RATE_INFO_HE_RU_ALLOC_484;277 break;278 case RU_996:279 ret = NL80211_RATE_INFO_HE_RU_ALLOC_996;280 break;281 default:282 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;283 break;284 }285 286 return ret;287}288 289enum nl80211_he_ru_alloc ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(u16 ru_tones)290{291 enum nl80211_he_ru_alloc ret;292 293 switch (ru_tones) {294 case 26:295 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;296 break;297 case 52:298 ret = NL80211_RATE_INFO_HE_RU_ALLOC_52;299 break;300 case 106:301 ret = NL80211_RATE_INFO_HE_RU_ALLOC_106;302 break;303 case 242:304 ret = NL80211_RATE_INFO_HE_RU_ALLOC_242;305 break;306 case 484:307 ret = NL80211_RATE_INFO_HE_RU_ALLOC_484;308 break;309 case 996:310 ret = NL80211_RATE_INFO_HE_RU_ALLOC_996;311 break;312 case (996 * 2):313 ret = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;314 break;315 default:316 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;317 break;318 }319 320 return ret;321}322 323enum nl80211_he_gi ath11k_mac_he_gi_to_nl80211_he_gi(u8 sgi)324{325 enum nl80211_he_gi ret;326 327 switch (sgi) {328 case RX_MSDU_START_SGI_0_8_US:329 ret = NL80211_RATE_INFO_HE_GI_0_8;330 break;331 case RX_MSDU_START_SGI_1_6_US:332 ret = NL80211_RATE_INFO_HE_GI_1_6;333 break;334 case RX_MSDU_START_SGI_3_2_US:335 ret = NL80211_RATE_INFO_HE_GI_3_2;336 break;337 default:338 ret = NL80211_RATE_INFO_HE_GI_0_8;339 break;340 }341 342 return ret;343}344 345u8 ath11k_mac_bw_to_mac80211_bw(u8 bw)346{347 u8 ret = 0;348 349 switch (bw) {350 case ATH11K_BW_20:351 ret = RATE_INFO_BW_20;352 break;353 case ATH11K_BW_40:354 ret = RATE_INFO_BW_40;355 break;356 case ATH11K_BW_80:357 ret = RATE_INFO_BW_80;358 break;359 case ATH11K_BW_160:360 ret = RATE_INFO_BW_160;361 break;362 }363 364 return ret;365}366 367enum ath11k_supported_bw ath11k_mac_mac80211_bw_to_ath11k_bw(enum rate_info_bw bw)368{369 switch (bw) {370 case RATE_INFO_BW_20:371 return ATH11K_BW_20;372 case RATE_INFO_BW_40:373 return ATH11K_BW_40;374 case RATE_INFO_BW_80:375 return ATH11K_BW_80;376 case RATE_INFO_BW_160:377 return ATH11K_BW_160;378 default:379 return ATH11K_BW_20;380 }381}382 383int ath11k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc, u8 preamble, u8 *rateidx,384 u16 *rate)385{386 /* As default, it is OFDM rates */387 int i = ATH11K_MAC_FIRST_OFDM_RATE_IDX;388 int max_rates_idx = ath11k_g_rates_size;389 390 if (preamble == WMI_RATE_PREAMBLE_CCK) {391 hw_rc &= ~ATH11k_HW_RATECODE_CCK_SHORT_PREAM_MASK;392 i = 0;393 max_rates_idx = ATH11K_MAC_FIRST_OFDM_RATE_IDX;394 }395 396 while (i < max_rates_idx) {397 if (hw_rc == ath11k_legacy_rates[i].hw_value) {398 *rateidx = i;399 *rate = ath11k_legacy_rates[i].bitrate;400 return 0;401 }402 i++;403 }404 405 return -EINVAL;406}407 408static int get_num_chains(u32 mask)409{410 int num_chains = 0;411 412 while (mask) {413 if (mask & BIT(0))414 num_chains++;415 mask >>= 1;416 }417 418 return num_chains;419}420 421u8 ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,422 u32 bitrate)423{424 int i;425 426 for (i = 0; i < sband->n_bitrates; i++)427 if (sband->bitrates[i].bitrate == bitrate)428 return i;429 430 return 0;431}432 433static u32434ath11k_mac_max_ht_nss(const u8 *ht_mcs_mask)435{436 int nss;437 438 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)439 if (ht_mcs_mask[nss])440 return nss + 1;441 442 return 1;443}444 445static u32446ath11k_mac_max_vht_nss(const u16 *vht_mcs_mask)447{448 int nss;449 450 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)451 if (vht_mcs_mask[nss])452 return nss + 1;453 454 return 1;455}456 457static u32458ath11k_mac_max_he_nss(const u16 *he_mcs_mask)459{460 int nss;461 462 for (nss = NL80211_HE_NSS_MAX - 1; nss >= 0; nss--)463 if (he_mcs_mask[nss])464 return nss + 1;465 466 return 1;467}468 469static u8 ath11k_parse_mpdudensity(u8 mpdudensity)470{471/* 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":472 * 0 for no restriction473 * 1 for 1/4 us474 * 2 for 1/2 us475 * 3 for 1 us476 * 4 for 2 us477 * 5 for 4 us478 * 6 for 8 us479 * 7 for 16 us480 */481 switch (mpdudensity) {482 case 0:483 return 0;484 case 1:485 case 2:486 case 3:487 /* Our lower layer calculations limit our precision to488 * 1 microsecond489 */490 return 1;491 case 4:492 return 2;493 case 5:494 return 4;495 case 6:496 return 8;497 case 7:498 return 16;499 default:500 return 0;501 }502}503 504static int ath11k_mac_vif_chan(struct ieee80211_vif *vif,505 struct cfg80211_chan_def *def)506{507 struct ieee80211_chanctx_conf *conf;508 509 rcu_read_lock();510 conf = rcu_dereference(vif->bss_conf.chanctx_conf);511 if (!conf) {512 rcu_read_unlock();513 return -ENOENT;514 }515 516 *def = conf->def;517 rcu_read_unlock();518 519 return 0;520}521 522static bool ath11k_mac_bitrate_is_cck(int bitrate)523{524 switch (bitrate) {525 case 10:526 case 20:527 case 55:528 case 110:529 return true;530 }531 532 return false;533}534 535u8 ath11k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,536 u8 hw_rate, bool cck)537{538 const struct ieee80211_rate *rate;539 int i;540 541 for (i = 0; i < sband->n_bitrates; i++) {542 rate = &sband->bitrates[i];543 544 if (ath11k_mac_bitrate_is_cck(rate->bitrate) != cck)545 continue;546 547 if (rate->hw_value == hw_rate)548 return i;549 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&550 rate->hw_value_short == hw_rate)551 return i;552 }553 554 return 0;555}556 557static u8 ath11k_mac_bitrate_to_rate(int bitrate)558{559 return DIV_ROUND_UP(bitrate, 5) |560 (ath11k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);561}562 563static void ath11k_get_arvif_iter(void *data, u8 *mac,564 struct ieee80211_vif *vif)565{566 struct ath11k_vif_iter *arvif_iter = data;567 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);568 569 if (arvif->vdev_id == arvif_iter->vdev_id)570 arvif_iter->arvif = arvif;571}572 573struct ath11k_vif *ath11k_mac_get_arvif(struct ath11k *ar, u32 vdev_id)574{575 struct ath11k_vif_iter arvif_iter;576 u32 flags;577 578 memset(&arvif_iter, 0, sizeof(struct ath11k_vif_iter));579 arvif_iter.vdev_id = vdev_id;580 581 flags = IEEE80211_IFACE_ITER_RESUME_ALL;582 ieee80211_iterate_active_interfaces_atomic(ar->hw,583 flags,584 ath11k_get_arvif_iter,585 &arvif_iter);586 if (!arvif_iter.arvif) {587 ath11k_warn(ar->ab, "No VIF found for vdev %d\n", vdev_id);588 return NULL;589 }590 591 return arvif_iter.arvif;592}593 594struct ath11k_vif *ath11k_mac_get_arvif_by_vdev_id(struct ath11k_base *ab,595 u32 vdev_id)596{597 int i;598 struct ath11k_pdev *pdev;599 struct ath11k_vif *arvif;600 601 for (i = 0; i < ab->num_radios; i++) {602 pdev = rcu_dereference(ab->pdevs_active[i]);603 if (pdev && pdev->ar &&604 (pdev->ar->allocated_vdev_map & (1LL << vdev_id))) {605 arvif = ath11k_mac_get_arvif(pdev->ar, vdev_id);606 if (arvif)607 return arvif;608 }609 }610 611 return NULL;612}613 614struct ath11k *ath11k_mac_get_ar_by_vdev_id(struct ath11k_base *ab, u32 vdev_id)615{616 int i;617 struct ath11k_pdev *pdev;618 619 for (i = 0; i < ab->num_radios; i++) {620 pdev = rcu_dereference(ab->pdevs_active[i]);621 if (pdev && pdev->ar) {622 if (pdev->ar->allocated_vdev_map & (1LL << vdev_id))623 return pdev->ar;624 }625 }626 627 return NULL;628}629 630struct ath11k *ath11k_mac_get_ar_by_pdev_id(struct ath11k_base *ab, u32 pdev_id)631{632 int i;633 struct ath11k_pdev *pdev;634 635 if (ab->hw_params.single_pdev_only) {636 pdev = rcu_dereference(ab->pdevs_active[0]);637 return pdev ? pdev->ar : NULL;638 }639 640 if (WARN_ON(pdev_id > ab->num_radios))641 return NULL;642 643 for (i = 0; i < ab->num_radios; i++) {644 if (ab->fw_mode == ATH11K_FIRMWARE_MODE_FTM)645 pdev = &ab->pdevs[i];646 else647 pdev = rcu_dereference(ab->pdevs_active[i]);648 649 if (pdev && pdev->pdev_id == pdev_id)650 return (pdev->ar ? pdev->ar : NULL);651 }652 653 return NULL;654}655 656struct ath11k_vif *ath11k_mac_get_vif_up(struct ath11k_base *ab)657{658 struct ath11k *ar;659 struct ath11k_pdev *pdev;660 struct ath11k_vif *arvif;661 int i;662 663 for (i = 0; i < ab->num_radios; i++) {664 pdev = &ab->pdevs[i];665 ar = pdev->ar;666 list_for_each_entry(arvif, &ar->arvifs, list) {667 if (arvif->is_up)668 return arvif;669 }670 }671 672 return NULL;673}674 675static bool ath11k_mac_band_match(enum nl80211_band band1, enum WMI_HOST_WLAN_BAND band2)676{677 return (((band1 == NL80211_BAND_2GHZ) && (band2 & WMI_HOST_WLAN_2G_CAP)) ||678 (((band1 == NL80211_BAND_5GHZ) || (band1 == NL80211_BAND_6GHZ)) &&679 (band2 & WMI_HOST_WLAN_5G_CAP)));680}681 682u8 ath11k_mac_get_target_pdev_id_from_vif(struct ath11k_vif *arvif)683{684 struct ath11k *ar = arvif->ar;685 struct ath11k_base *ab = ar->ab;686 struct ieee80211_vif *vif = arvif->vif;687 struct cfg80211_chan_def def;688 enum nl80211_band band;689 u8 pdev_id = ab->target_pdev_ids[0].pdev_id;690 int i;691 692 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))693 return pdev_id;694 695 band = def.chan->band;696 697 for (i = 0; i < ab->target_pdev_count; i++) {698 if (ath11k_mac_band_match(band, ab->target_pdev_ids[i].supported_bands))699 return ab->target_pdev_ids[i].pdev_id;700 }701 702 return pdev_id;703}704 705u8 ath11k_mac_get_target_pdev_id(struct ath11k *ar)706{707 struct ath11k_vif *arvif;708 709 arvif = ath11k_mac_get_vif_up(ar->ab);710 711 if (arvif)712 return ath11k_mac_get_target_pdev_id_from_vif(arvif);713 else714 return ar->ab->target_pdev_ids[0].pdev_id;715}716 717static void ath11k_pdev_caps_update(struct ath11k *ar)718{719 struct ath11k_base *ab = ar->ab;720 721 ar->max_tx_power = ab->target_caps.hw_max_tx_power;722 723 /* FIXME Set min_tx_power to ab->target_caps.hw_min_tx_power.724 * But since the received value in svcrdy is same as hw_max_tx_power,725 * we can set ar->min_tx_power to 0 currently until726 * this is fixed in firmware727 */728 ar->min_tx_power = 0;729 730 ar->txpower_limit_2g = ar->max_tx_power;731 ar->txpower_limit_5g = ar->max_tx_power;732 ar->txpower_scale = WMI_HOST_TP_SCALE_MAX;733}734 735static int ath11k_mac_txpower_recalc(struct ath11k *ar)736{737 struct ath11k_pdev *pdev = ar->pdev;738 struct ath11k_vif *arvif;739 int ret, txpower = -1;740 u32 param;741 742 lockdep_assert_held(&ar->conf_mutex);743 744 list_for_each_entry(arvif, &ar->arvifs, list) {745 if (arvif->txpower <= 0)746 continue;747 748 if (txpower == -1)749 txpower = arvif->txpower;750 else751 txpower = min(txpower, arvif->txpower);752 }753 754 if (txpower == -1)755 return 0;756 757 /* txpwr is set as 2 units per dBm in FW*/758 txpower = min_t(u32, max_t(u32, ar->min_tx_power, txpower),759 ar->max_tx_power) * 2;760 761 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower to set in hw %d\n",762 txpower / 2);763 764 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) &&765 ar->txpower_limit_2g != txpower) {766 param = WMI_PDEV_PARAM_TXPOWER_LIMIT2G;767 ret = ath11k_wmi_pdev_set_param(ar, param,768 txpower, ar->pdev->pdev_id);769 if (ret)770 goto fail;771 ar->txpower_limit_2g = txpower;772 }773 774 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) &&775 ar->txpower_limit_5g != txpower) {776 param = WMI_PDEV_PARAM_TXPOWER_LIMIT5G;777 ret = ath11k_wmi_pdev_set_param(ar, param,778 txpower, ar->pdev->pdev_id);779 if (ret)780 goto fail;781 ar->txpower_limit_5g = txpower;782 }783 784 return 0;785 786fail:787 ath11k_warn(ar->ab, "failed to recalc txpower limit %d using pdev param %d: %d\n",788 txpower / 2, param, ret);789 return ret;790}791 792static int ath11k_recalc_rtscts_prot(struct ath11k_vif *arvif)793{794 struct ath11k *ar = arvif->ar;795 u32 vdev_param, rts_cts = 0;796 int ret;797 798 lockdep_assert_held(&ar->conf_mutex);799 800 vdev_param = WMI_VDEV_PARAM_ENABLE_RTSCTS;801 802 /* Enable RTS/CTS protection for sw retries (when legacy stations803 * are in BSS) or by default only for second rate series.804 * TODO: Check if we need to enable CTS 2 Self in any case805 */806 rts_cts = WMI_USE_RTS_CTS;807 808 if (arvif->num_legacy_stations > 0)809 rts_cts |= WMI_RTSCTS_ACROSS_SW_RETRIES << 4;810 else811 rts_cts |= WMI_RTSCTS_FOR_SECOND_RATESERIES << 4;812 813 /* Need not send duplicate param value to firmware */814 if (arvif->rtscts_prot_mode == rts_cts)815 return 0;816 817 arvif->rtscts_prot_mode = rts_cts;818 819 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %d recalc rts/cts prot %d\n",820 arvif->vdev_id, rts_cts);821 822 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,823 vdev_param, rts_cts);824 if (ret)825 ath11k_warn(ar->ab, "failed to recalculate rts/cts prot for vdev %d: %d\n",826 arvif->vdev_id, ret);827 828 return ret;829}830 831static int ath11k_mac_set_kickout(struct ath11k_vif *arvif)832{833 struct ath11k *ar = arvif->ar;834 u32 param;835 int ret;836 837 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_STA_KICKOUT_TH,838 ATH11K_KICKOUT_THRESHOLD,839 ar->pdev->pdev_id);840 if (ret) {841 ath11k_warn(ar->ab, "failed to set kickout threshold on vdev %i: %d\n",842 arvif->vdev_id, ret);843 return ret;844 }845 846 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MIN_IDLE_INACTIVE_TIME_SECS;847 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,848 ATH11K_KEEPALIVE_MIN_IDLE);849 if (ret) {850 ath11k_warn(ar->ab, "failed to set keepalive minimum idle time on vdev %i: %d\n",851 arvif->vdev_id, ret);852 return ret;853 }854 855 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_IDLE_INACTIVE_TIME_SECS;856 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,857 ATH11K_KEEPALIVE_MAX_IDLE);858 if (ret) {859 ath11k_warn(ar->ab, "failed to set keepalive maximum idle time on vdev %i: %d\n",860 arvif->vdev_id, ret);861 return ret;862 }863 864 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_UNRESPONSIVE_TIME_SECS;865 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,866 ATH11K_KEEPALIVE_MAX_UNRESPONSIVE);867 if (ret) {868 ath11k_warn(ar->ab, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",869 arvif->vdev_id, ret);870 return ret;871 }872 873 return 0;874}875 876void ath11k_mac_peer_cleanup_all(struct ath11k *ar)877{878 struct ath11k_peer *peer, *tmp;879 struct ath11k_base *ab = ar->ab;880 881 lockdep_assert_held(&ar->conf_mutex);882 883 mutex_lock(&ab->tbl_mtx_lock);884 spin_lock_bh(&ab->base_lock);885 list_for_each_entry_safe(peer, tmp, &ab->peers, list) {886 ath11k_peer_rx_tid_cleanup(ar, peer);887 ath11k_peer_rhash_delete(ab, peer);888 list_del(&peer->list);889 kfree(peer);890 }891 spin_unlock_bh(&ab->base_lock);892 mutex_unlock(&ab->tbl_mtx_lock);893 894 ar->num_peers = 0;895 ar->num_stations = 0;896}897 898static inline int ath11k_mac_vdev_setup_sync(struct ath11k *ar)899{900 lockdep_assert_held(&ar->conf_mutex);901 902 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))903 return -ESHUTDOWN;904 905 if (!wait_for_completion_timeout(&ar->vdev_setup_done,906 ATH11K_VDEV_SETUP_TIMEOUT_HZ))907 return -ETIMEDOUT;908 909 return ar->last_wmi_vdev_start_status ? -EINVAL : 0;910}911 912static void913ath11k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,914 struct ieee80211_chanctx_conf *conf,915 void *data)916{917 struct cfg80211_chan_def **def = data;918 919 *def = &conf->def;920}921 922static int ath11k_mac_monitor_vdev_start(struct ath11k *ar, int vdev_id,923 struct cfg80211_chan_def *chandef)924{925 struct ieee80211_channel *channel;926 struct wmi_vdev_start_req_arg arg = {};927 int ret;928 929 lockdep_assert_held(&ar->conf_mutex);930 931 channel = chandef->chan;932 933 arg.vdev_id = vdev_id;934 arg.channel.freq = channel->center_freq;935 arg.channel.band_center_freq1 = chandef->center_freq1;936 arg.channel.band_center_freq2 = chandef->center_freq2;937 938 arg.channel.mode = ath11k_phymodes[chandef->chan->band][chandef->width];939 arg.channel.chan_radar = !!(channel->flags & IEEE80211_CHAN_RADAR);940 941 arg.channel.min_power = 0;942 arg.channel.max_power = channel->max_power;943 arg.channel.max_reg_power = channel->max_reg_power;944 arg.channel.max_antenna_gain = channel->max_antenna_gain;945 946 arg.pref_tx_streams = ar->num_tx_chains;947 arg.pref_rx_streams = ar->num_rx_chains;948 949 arg.channel.passive = !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR);950 951 reinit_completion(&ar->vdev_setup_done);952 reinit_completion(&ar->vdev_delete_done);953 954 ret = ath11k_wmi_vdev_start(ar, &arg, false);955 if (ret) {956 ath11k_warn(ar->ab, "failed to request monitor vdev %i start: %d\n",957 vdev_id, ret);958 return ret;959 }960 961 ret = ath11k_mac_vdev_setup_sync(ar);962 if (ret) {963 ath11k_warn(ar->ab, "failed to synchronize setup for monitor vdev %i start: %d\n",964 vdev_id, ret);965 return ret;966 }967 968 ret = ath11k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr, NULL, 0, 0);969 if (ret) {970 ath11k_warn(ar->ab, "failed to put up monitor vdev %i: %d\n",971 vdev_id, ret);972 goto vdev_stop;973 }974 975 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %i started\n",976 vdev_id);977 978 return 0;979 980vdev_stop:981 reinit_completion(&ar->vdev_setup_done);982 983 ret = ath11k_wmi_vdev_stop(ar, vdev_id);984 if (ret) {985 ath11k_warn(ar->ab, "failed to stop monitor vdev %i after start failure: %d\n",986 vdev_id, ret);987 return ret;988 }989 990 ret = ath11k_mac_vdev_setup_sync(ar);991 if (ret) {992 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i stop: %d\n",993 vdev_id, ret);994 return ret;995 }996 997 return -EIO;998}999 1000static int ath11k_mac_monitor_vdev_stop(struct ath11k *ar)1001{1002 int ret;1003 1004 lockdep_assert_held(&ar->conf_mutex);1005 1006 reinit_completion(&ar->vdev_setup_done);1007 1008 ret = ath11k_wmi_vdev_stop(ar, ar->monitor_vdev_id);1009 if (ret) {1010 ath11k_warn(ar->ab, "failed to request monitor vdev %i stop: %d\n",1011 ar->monitor_vdev_id, ret);1012 return ret;1013 }1014 1015 ret = ath11k_mac_vdev_setup_sync(ar);1016 if (ret) {1017 ath11k_warn(ar->ab, "failed to synchronize monitor vdev %i stop: %d\n",1018 ar->monitor_vdev_id, ret);1019 return ret;1020 }1021 1022 ret = ath11k_wmi_vdev_down(ar, ar->monitor_vdev_id);1023 if (ret) {1024 ath11k_warn(ar->ab, "failed to put down monitor vdev %i: %d\n",1025 ar->monitor_vdev_id, ret);1026 return ret;1027 }1028 1029 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %i stopped\n",1030 ar->monitor_vdev_id);1031 1032 return 0;1033}1034 1035static int ath11k_mac_monitor_vdev_create(struct ath11k *ar)1036{1037 struct ath11k_pdev *pdev = ar->pdev;1038 struct vdev_create_params param = {};1039 int bit, ret;1040 u8 tmp_addr[6] = {0};1041 u16 nss;1042 1043 lockdep_assert_held(&ar->conf_mutex);1044 1045 if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags))1046 return 0;1047 1048 if (ar->ab->free_vdev_map == 0) {1049 ath11k_warn(ar->ab, "failed to find free vdev id for monitor vdev\n");1050 return -ENOMEM;1051 }1052 1053 bit = __ffs64(ar->ab->free_vdev_map);1054 1055 ar->monitor_vdev_id = bit;1056 1057 param.if_id = ar->monitor_vdev_id;1058 param.type = WMI_VDEV_TYPE_MONITOR;1059 param.subtype = WMI_VDEV_SUBTYPE_NONE;1060 param.pdev_id = pdev->pdev_id;1061 1062 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) {1063 param.chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains;1064 param.chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains;1065 }1066 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) {1067 param.chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;1068 param.chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;1069 }1070 1071 ret = ath11k_wmi_vdev_create(ar, tmp_addr, ¶m);1072 if (ret) {1073 ath11k_warn(ar->ab, "failed to request monitor vdev %i creation: %d\n",1074 ar->monitor_vdev_id, ret);1075 ar->monitor_vdev_id = -1;1076 return ret;1077 }1078 1079 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1;1080 ret = ath11k_wmi_vdev_set_param_cmd(ar, ar->monitor_vdev_id,1081 WMI_VDEV_PARAM_NSS, nss);1082 if (ret) {1083 ath11k_warn(ar->ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n",1084 ar->monitor_vdev_id, ar->cfg_tx_chainmask, nss, ret);1085 goto err_vdev_del;1086 }1087 1088 ret = ath11k_mac_txpower_recalc(ar);1089 if (ret) {1090 ath11k_warn(ar->ab, "failed to recalc txpower for monitor vdev %d: %d\n",1091 ar->monitor_vdev_id, ret);1092 goto err_vdev_del;1093 }1094 1095 ar->allocated_vdev_map |= 1LL << ar->monitor_vdev_id;1096 ar->ab->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);1097 ar->num_created_vdevs++;1098 set_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);1099 1100 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %d created\n",1101 ar->monitor_vdev_id);1102 1103 return 0;1104 1105err_vdev_del:1106 ath11k_wmi_vdev_delete(ar, ar->monitor_vdev_id);1107 ar->monitor_vdev_id = -1;1108 return ret;1109}1110 1111static int ath11k_mac_monitor_vdev_delete(struct ath11k *ar)1112{1113 int ret;1114 unsigned long time_left;1115 1116 lockdep_assert_held(&ar->conf_mutex);1117 1118 if (!test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags))1119 return 0;1120 1121 reinit_completion(&ar->vdev_delete_done);1122 1123 ret = ath11k_wmi_vdev_delete(ar, ar->monitor_vdev_id);1124 if (ret) {1125 ath11k_warn(ar->ab, "failed to request wmi monitor vdev %i removal: %d\n",1126 ar->monitor_vdev_id, ret);1127 return ret;1128 }1129 1130 time_left = wait_for_completion_timeout(&ar->vdev_delete_done,1131 ATH11K_VDEV_DELETE_TIMEOUT_HZ);1132 if (time_left == 0) {1133 ath11k_warn(ar->ab, "Timeout in receiving vdev delete response\n");1134 } else {1135 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %d deleted\n",1136 ar->monitor_vdev_id);1137 1138 ar->allocated_vdev_map &= ~(1LL << ar->monitor_vdev_id);1139 ar->ab->free_vdev_map |= 1LL << (ar->monitor_vdev_id);1140 ar->num_created_vdevs--;1141 ar->monitor_vdev_id = -1;1142 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);1143 }1144 1145 return ret;1146}1147 1148static int ath11k_mac_monitor_start(struct ath11k *ar)1149{1150 struct cfg80211_chan_def *chandef = NULL;1151 int ret;1152 1153 lockdep_assert_held(&ar->conf_mutex);1154 1155 if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags))1156 return 0;1157 1158 ieee80211_iter_chan_contexts_atomic(ar->hw,1159 ath11k_mac_get_any_chandef_iter,1160 &chandef);1161 if (!chandef)1162 return 0;1163 1164 ret = ath11k_mac_monitor_vdev_start(ar, ar->monitor_vdev_id, chandef);1165 if (ret) {1166 ath11k_warn(ar->ab, "failed to start monitor vdev: %d\n", ret);1167 ath11k_mac_monitor_vdev_delete(ar);1168 return ret;1169 }1170 1171 set_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags);1172 1173 ar->num_started_vdevs++;1174 ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, false);1175 if (ret) {1176 ath11k_warn(ar->ab, "failed to configure htt monitor mode ring during start: %d",1177 ret);1178 return ret;1179 }1180 1181 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor started\n");1182 1183 return 0;1184}1185 1186static int ath11k_mac_monitor_stop(struct ath11k *ar)1187{1188 int ret;1189 1190 lockdep_assert_held(&ar->conf_mutex);1191 1192 if (!test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags))1193 return 0;1194 1195 ret = ath11k_mac_monitor_vdev_stop(ar);1196 if (ret) {1197 ath11k_warn(ar->ab, "failed to stop monitor vdev: %d\n", ret);1198 return ret;1199 }1200 1201 clear_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags);1202 ar->num_started_vdevs--;1203 1204 ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, true);1205 if (ret) {1206 ath11k_warn(ar->ab, "failed to configure htt monitor mode ring during stop: %d",1207 ret);1208 return ret;1209 }1210 1211 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor stopped ret %d\n", ret);1212 1213 return 0;1214}1215 1216static int ath11k_mac_vif_setup_ps(struct ath11k_vif *arvif)1217{1218 struct ath11k *ar = arvif->ar;1219 struct ieee80211_vif *vif = arvif->vif;1220 struct ieee80211_conf *conf = &ar->hw->conf;1221 enum wmi_sta_powersave_param param;1222 enum wmi_sta_ps_mode psmode;1223 int ret;1224 int timeout;1225 bool enable_ps;1226 1227 lockdep_assert_held(&arvif->ar->conf_mutex);1228 1229 if (arvif->vif->type != NL80211_IFTYPE_STATION)1230 return 0;1231 1232 enable_ps = arvif->ps;1233 1234 if (enable_ps) {1235 psmode = WMI_STA_PS_MODE_ENABLED;1236 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;1237 1238 timeout = conf->dynamic_ps_timeout;1239 if (timeout == 0) {1240 /* firmware doesn't like 0 */1241 timeout = ieee80211_tu_to_usec(vif->bss_conf.beacon_int) / 1000;1242 }1243 1244 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,1245 timeout);1246 if (ret) {1247 ath11k_warn(ar->ab, "failed to set inactivity time for vdev %d: %i\n",1248 arvif->vdev_id, ret);1249 return ret;1250 }1251 } else {1252 psmode = WMI_STA_PS_MODE_DISABLED;1253 }1254 1255 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %d psmode %s\n",1256 arvif->vdev_id, psmode ? "enable" : "disable");1257 1258 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, psmode);1259 if (ret) {1260 ath11k_warn(ar->ab, "failed to set sta power save mode %d for vdev %d: %d\n",1261 psmode, arvif->vdev_id, ret);1262 return ret;1263 }1264 1265 return 0;1266}1267 1268static int ath11k_mac_config_ps(struct ath11k *ar)1269{1270 struct ath11k_vif *arvif;1271 int ret = 0;1272 1273 lockdep_assert_held(&ar->conf_mutex);1274 1275 list_for_each_entry(arvif, &ar->arvifs, list) {1276 ret = ath11k_mac_vif_setup_ps(arvif);1277 if (ret) {1278 ath11k_warn(ar->ab, "failed to setup powersave: %d\n", ret);1279 break;1280 }1281 }1282 1283 return ret;1284}1285 1286static int ath11k_mac_op_config(struct ieee80211_hw *hw, u32 changed)1287{1288 struct ath11k *ar = hw->priv;1289 struct ieee80211_conf *conf = &hw->conf;1290 int ret = 0;1291 1292 mutex_lock(&ar->conf_mutex);1293 1294 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {1295 if (conf->flags & IEEE80211_CONF_MONITOR) {1296 set_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags);1297 1298 if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED,1299 &ar->monitor_flags))1300 goto out;1301 1302 ret = ath11k_mac_monitor_vdev_create(ar);1303 if (ret) {1304 ath11k_warn(ar->ab, "failed to create monitor vdev: %d",1305 ret);1306 goto out;1307 }1308 1309 ret = ath11k_mac_monitor_start(ar);1310 if (ret) {1311 ath11k_warn(ar->ab, "failed to start monitor: %d",1312 ret);1313 goto err_mon_del;1314 }1315 } else {1316 clear_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags);1317 1318 if (!test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED,1319 &ar->monitor_flags))1320 goto out;1321 1322 ret = ath11k_mac_monitor_stop(ar);1323 if (ret) {1324 ath11k_warn(ar->ab, "failed to stop monitor: %d",1325 ret);1326 goto out;1327 }1328 1329 ret = ath11k_mac_monitor_vdev_delete(ar);1330 if (ret) {1331 ath11k_warn(ar->ab, "failed to delete monitor vdev: %d",1332 ret);1333 goto out;1334 }1335 }1336 }1337 1338out:1339 mutex_unlock(&ar->conf_mutex);1340 return ret;1341 1342err_mon_del:1343 ath11k_mac_monitor_vdev_delete(ar);1344 mutex_unlock(&ar->conf_mutex);1345 return ret;1346}1347 1348static void ath11k_mac_setup_nontx_vif_rsnie(struct ath11k_vif *arvif,1349 bool tx_arvif_rsnie_present,1350 const u8 *profile, u8 profile_len)1351{1352 if (cfg80211_find_ie(WLAN_EID_RSN, profile, profile_len)) {1353 arvif->rsnie_present = true;1354 } else if (tx_arvif_rsnie_present) {1355 int i;1356 u8 nie_len;1357 const u8 *nie = cfg80211_find_ext_ie(WLAN_EID_EXT_NON_INHERITANCE,1358 profile, profile_len);1359 if (!nie)1360 return;1361 1362 nie_len = nie[1];1363 nie += 2;1364 for (i = 0; i < nie_len; i++) {1365 if (nie[i] == WLAN_EID_RSN) {1366 arvif->rsnie_present = false;1367 break;1368 }1369 }1370 }1371}1372 1373static bool ath11k_mac_set_nontx_vif_params(struct ath11k_vif *tx_arvif,1374 struct ath11k_vif *arvif,1375 struct sk_buff *bcn)1376{1377 struct ieee80211_mgmt *mgmt;1378 const u8 *ies, *profile, *next_profile;1379 int ies_len;1380 1381 ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn);1382 mgmt = (struct ieee80211_mgmt *)bcn->data;1383 ies += sizeof(mgmt->u.beacon);1384 ies_len = skb_tail_pointer(bcn) - ies;1385 1386 ies = cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ies, ies_len);1387 arvif->rsnie_present = tx_arvif->rsnie_present;1388 1389 while (ies) {1390 u8 mbssid_len;1391 1392 ies_len -= (2 + ies[1]);1393 mbssid_len = ies[1] - 1;1394 profile = &ies[3];1395 1396 while (mbssid_len) {1397 u8 profile_len;1398 1399 profile_len = profile[1];1400 next_profile = profile + (2 + profile_len);1401 mbssid_len -= (2 + profile_len);1402 1403 profile += 2;1404 profile_len -= (2 + profile[1]);1405 profile += (2 + profile[1]); /* nontx capabilities */1406 profile_len -= (2 + profile[1]);1407 profile += (2 + profile[1]); /* SSID */1408 if (profile[2] == arvif->vif->bss_conf.bssid_index) {1409 profile_len -= 5;1410 profile = profile + 5;1411 ath11k_mac_setup_nontx_vif_rsnie(arvif,1412 tx_arvif->rsnie_present,1413 profile,1414 profile_len);1415 return true;1416 }1417 profile = next_profile;1418 }1419 ies = cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, profile,1420 ies_len);1421 }1422 1423 return false;1424}1425 1426static int ath11k_mac_setup_bcn_p2p_ie(struct ath11k_vif *arvif,1427 struct sk_buff *bcn)1428{1429 struct ath11k *ar = arvif->ar;1430 struct ieee80211_mgmt *mgmt;1431 const u8 *p2p_ie;1432 int ret;1433 1434 mgmt = (void *)bcn->data;1435 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,1436 mgmt->u.beacon.variable,1437 bcn->len - (mgmt->u.beacon.variable -1438 bcn->data));1439 if (!p2p_ie)1440 return -ENOENT;1441 1442 ret = ath11k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);1443 if (ret) {1444 ath11k_warn(ar->ab, "failed to submit P2P GO bcn ie for vdev %i: %d\n",1445 arvif->vdev_id, ret);1446 return ret;1447 }1448 1449 return ret;1450}1451 1452static int ath11k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,1453 u8 oui_type, size_t ie_offset)1454{1455 size_t len;1456 const u8 *next, *end;1457 u8 *ie;1458 1459 if (WARN_ON(skb->len < ie_offset))1460 return -EINVAL;1461 1462 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,1463 skb->data + ie_offset,1464 skb->len - ie_offset);1465 if (!ie)1466 return -ENOENT;1467 1468 len = ie[1] + 2;1469 end = skb->data + skb->len;1470 next = ie + len;1471 1472 if (WARN_ON(next > end))1473 return -EINVAL;1474 1475 memmove(ie, next, end - next);1476 skb_trim(skb, skb->len - len);1477 1478 return 0;1479}1480 1481static int ath11k_mac_set_vif_params(struct ath11k_vif *arvif,1482 struct sk_buff *bcn)1483{1484 struct ath11k_base *ab = arvif->ar->ab;1485 struct ieee80211_mgmt *mgmt;1486 int ret = 0;1487 u8 *ies;1488 1489 ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn);1490 mgmt = (struct ieee80211_mgmt *)bcn->data;1491 ies += sizeof(mgmt->u.beacon);1492 1493 if (cfg80211_find_ie(WLAN_EID_RSN, ies, (skb_tail_pointer(bcn) - ies)))1494 arvif->rsnie_present = true;1495 else1496 arvif->rsnie_present = false;1497 1498 if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,1499 WLAN_OUI_TYPE_MICROSOFT_WPA,1500 ies, (skb_tail_pointer(bcn) - ies)))1501 arvif->wpaie_present = true;1502 else1503 arvif->wpaie_present = false;1504 1505 if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)1506 return ret;1507 1508 ret = ath11k_mac_setup_bcn_p2p_ie(arvif, bcn);1509 if (ret) {1510 ath11k_warn(ab, "failed to setup P2P GO bcn ie: %d\n",1511 ret);1512 return ret;1513 }1514 1515 /* P2P IE is inserted by firmware automatically (as1516 * configured above) so remove it from the base beacon1517 * template to avoid duplicate P2P IEs in beacon frames.1518 */1519 ret = ath11k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA,1520 WLAN_OUI_TYPE_WFA_P2P,1521 offsetof(struct ieee80211_mgmt,1522 u.beacon.variable));1523 if (ret) {1524 ath11k_warn(ab, "failed to remove P2P vendor ie: %d\n",1525 ret);1526 return ret;1527 }1528 1529 return ret;1530}1531 1532static int ath11k_mac_setup_bcn_tmpl_ema(struct ath11k_vif *arvif)1533{1534 struct ath11k_vif *tx_arvif;1535 struct ieee80211_ema_beacons *beacons;1536 int ret = 0;1537 bool nontx_vif_params_set = false;1538 u32 params = 0;1539 u8 i = 0;1540 1541 tx_arvif = ath11k_vif_to_arvif(arvif->vif->mbssid_tx_vif);1542 1543 beacons = ieee80211_beacon_get_template_ema_list(tx_arvif->ar->hw,1544 tx_arvif->vif, 0);1545 if (!beacons || !beacons->cnt) {1546 ath11k_warn(arvif->ar->ab,1547 "failed to get ema beacon templates from mac80211\n");1548 return -EPERM;1549 }1550 1551 if (tx_arvif == arvif) {1552 if (ath11k_mac_set_vif_params(tx_arvif, beacons->bcn[0].skb))1553 return -EINVAL;1554 } else {1555 arvif->wpaie_present = tx_arvif->wpaie_present;1556 }1557 1558 for (i = 0; i < beacons->cnt; i++) {1559 if (tx_arvif != arvif && !nontx_vif_params_set)1560 nontx_vif_params_set =1561 ath11k_mac_set_nontx_vif_params(tx_arvif, arvif,1562 beacons->bcn[i].skb);1563 1564 params = beacons->cnt;1565 params |= (i << WMI_EMA_TMPL_IDX_SHIFT);1566 params |= ((!i ? 1 : 0) << WMI_EMA_FIRST_TMPL_SHIFT);1567 params |= ((i + 1 == beacons->cnt ? 1 : 0) << WMI_EMA_LAST_TMPL_SHIFT);1568 1569 ret = ath11k_wmi_bcn_tmpl(tx_arvif->ar, tx_arvif->vdev_id,1570 &beacons->bcn[i].offs,1571 beacons->bcn[i].skb, params);1572 if (ret) {1573 ath11k_warn(tx_arvif->ar->ab,1574 "failed to set ema beacon template id %i error %d\n",1575 i, ret);1576 break;1577 }1578 }1579 1580 ieee80211_beacon_free_ema_list(beacons);1581 1582 if (tx_arvif != arvif && !nontx_vif_params_set)1583 return -EINVAL; /* Profile not found in the beacons */1584 1585 return ret;1586}1587 1588static int ath11k_mac_setup_bcn_tmpl_mbssid(struct ath11k_vif *arvif)1589{1590 struct ath11k *ar = arvif->ar;1591 struct ath11k_base *ab = ar->ab;1592 struct ath11k_vif *tx_arvif = arvif;1593 struct ieee80211_hw *hw = ar->hw;1594 struct ieee80211_vif *vif = arvif->vif;1595 struct ieee80211_mutable_offsets offs = {};1596 struct sk_buff *bcn;1597 int ret;1598 1599 if (vif->mbssid_tx_vif) {1600 tx_arvif = ath11k_vif_to_arvif(vif->mbssid_tx_vif);1601 if (tx_arvif != arvif) {1602 ar = tx_arvif->ar;1603 ab = ar->ab;1604 hw = ar->hw;1605 vif = tx_arvif->vif;1606 }1607 }1608 1609 bcn = ieee80211_beacon_get_template(hw, vif, &offs, 0);1610 if (!bcn) {1611 ath11k_warn(ab, "failed to get beacon template from mac80211\n");1612 return -EPERM;1613 }1614 1615 if (tx_arvif == arvif) {1616 if (ath11k_mac_set_vif_params(tx_arvif, bcn))1617 return -EINVAL;1618 } else if (!ath11k_mac_set_nontx_vif_params(tx_arvif, arvif, bcn)) {1619 return -EINVAL;1620 }1621 1622 ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn, 0);1623 kfree_skb(bcn);1624 1625 if (ret)1626 ath11k_warn(ab, "failed to submit beacon template command: %d\n",1627 ret);1628 1629 return ret;1630}1631 1632static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif)1633{1634 struct ieee80211_vif *vif = arvif->vif;1635 1636 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)1637 return 0;1638 1639 /* Target does not expect beacon templates for the already up1640 * non-transmitting interfaces, and results in a crash if sent.1641 */1642 if (vif->mbssid_tx_vif &&1643 arvif != ath11k_vif_to_arvif(vif->mbssid_tx_vif) && arvif->is_up)1644 return 0;1645 1646 if (vif->bss_conf.ema_ap && vif->mbssid_tx_vif)1647 return ath11k_mac_setup_bcn_tmpl_ema(arvif);1648 1649 return ath11k_mac_setup_bcn_tmpl_mbssid(arvif);1650}1651 1652void ath11k_mac_bcn_tx_event(struct ath11k_vif *arvif)1653{1654 struct ieee80211_vif *vif = arvif->vif;1655 1656 if (!vif->bss_conf.color_change_active && !arvif->bcca_zero_sent)1657 return;1658 1659 if (vif->bss_conf.color_change_active &&1660 ieee80211_beacon_cntdwn_is_complete(vif, 0)) {1661 arvif->bcca_zero_sent = true;1662 ieee80211_color_change_finish(vif, 0);1663 return;1664 }1665 1666 arvif->bcca_zero_sent = false;1667 1668 if (vif->bss_conf.color_change_active)1669 ieee80211_beacon_update_cntdwn(vif, 0);1670 ath11k_mac_setup_bcn_tmpl(arvif);1671}1672 1673static void ath11k_control_beaconing(struct ath11k_vif *arvif,1674 struct ieee80211_bss_conf *info)1675{1676 struct ath11k *ar = arvif->ar;1677 struct ath11k_vif *tx_arvif = NULL;1678 int ret = 0;1679 1680 lockdep_assert_held(&arvif->ar->conf_mutex);1681 1682 if (!info->enable_beacon) {1683 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id);1684 if (ret)1685 ath11k_warn(ar->ab, "failed to down vdev_id %i: %d\n",1686 arvif->vdev_id, ret);1687 1688 arvif->is_up = false;1689 return;1690 }1691 1692 /* Install the beacon template to the FW */1693 ret = ath11k_mac_setup_bcn_tmpl(arvif);1694 if (ret) {1695 ath11k_warn(ar->ab, "failed to update bcn tmpl during vdev up: %d\n",1696 ret);1697 return;1698 }1699 1700 arvif->tx_seq_no = 0x1000;1701 1702 arvif->aid = 0;1703 1704 ether_addr_copy(arvif->bssid, info->bssid);1705 1706 if (arvif->vif->mbssid_tx_vif)1707 tx_arvif = ath11k_vif_to_arvif(arvif->vif->mbssid_tx_vif);1708 1709 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,1710 arvif->bssid,1711 tx_arvif ? tx_arvif->bssid : NULL,1712 info->bssid_index,1713 1 << info->bssid_indicator);1714 if (ret) {1715 ath11k_warn(ar->ab, "failed to bring up vdev %d: %i\n",1716 arvif->vdev_id, ret);1717 return;1718 }1719 1720 arvif->is_up = true;1721 1722 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %d up\n", arvif->vdev_id);1723}1724 1725static void ath11k_mac_handle_beacon_iter(void *data, u8 *mac,1726 struct ieee80211_vif *vif)1727{1728 struct sk_buff *skb = data;1729 struct ieee80211_mgmt *mgmt = (void *)skb->data;1730 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);1731 1732 if (vif->type != NL80211_IFTYPE_STATION)1733 return;1734 1735 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))1736 return;1737 1738 cancel_delayed_work(&arvif->connection_loss_work);1739}1740 1741void ath11k_mac_handle_beacon(struct ath11k *ar, struct sk_buff *skb)1742{1743 ieee80211_iterate_active_interfaces_atomic(ar->hw,1744 IEEE80211_IFACE_ITER_NORMAL,1745 ath11k_mac_handle_beacon_iter,1746 skb);1747}1748 1749static void ath11k_mac_handle_beacon_miss_iter(void *data, u8 *mac,1750 struct ieee80211_vif *vif)1751{1752 u32 *vdev_id = data;1753 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);1754 struct ath11k *ar = arvif->ar;1755 struct ieee80211_hw *hw = ar->hw;1756 1757 if (arvif->vdev_id != *vdev_id)1758 return;1759 1760 if (!arvif->is_up)1761 return;1762 1763 ieee80211_beacon_loss(vif);1764 1765 /* Firmware doesn't report beacon loss events repeatedly. If AP probe1766 * (done by mac80211) succeeds but beacons do not resume then it1767 * doesn't make sense to continue operation. Queue connection loss work1768 * which can be cancelled when beacon is received.1769 */1770 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,1771 ATH11K_CONNECTION_LOSS_HZ);1772}1773 1774void ath11k_mac_handle_beacon_miss(struct ath11k *ar, u32 vdev_id)1775{1776 ieee80211_iterate_active_interfaces_atomic(ar->hw,1777 IEEE80211_IFACE_ITER_NORMAL,1778 ath11k_mac_handle_beacon_miss_iter,1779 &vdev_id);1780}1781 1782static void ath11k_mac_vif_sta_connection_loss_work(struct work_struct *work)1783{1784 struct ath11k_vif *arvif = container_of(work, struct ath11k_vif,1785 connection_loss_work.work);1786 struct ieee80211_vif *vif = arvif->vif;1787 1788 if (!arvif->is_up)1789 return;1790 1791 ieee80211_connection_loss(vif);1792}1793 1794static void ath11k_peer_assoc_h_basic(struct ath11k *ar,1795 struct ieee80211_vif *vif,1796 struct ieee80211_sta *sta,1797 struct peer_assoc_params *arg)1798{1799 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);1800 u32 aid;1801 1802 lockdep_assert_held(&ar->conf_mutex);1803 1804 if (vif->type == NL80211_IFTYPE_STATION)1805 aid = vif->cfg.aid;1806 else1807 aid = sta->aid;1808 1809 ether_addr_copy(arg->peer_mac, sta->addr);1810 arg->vdev_id = arvif->vdev_id;1811 arg->peer_associd = aid;1812 arg->auth_flag = true;1813 /* TODO: STA WAR in ath10k for listen interval required? */1814 arg->peer_listen_intval = ar->hw->conf.listen_interval;1815 arg->peer_nss = 1;1816 arg->peer_caps = vif->bss_conf.assoc_capability;1817}1818 1819static void ath11k_peer_assoc_h_crypto(struct ath11k *ar,1820 struct ieee80211_vif *vif,1821 struct ieee80211_sta *sta,1822 struct peer_assoc_params *arg)1823{1824 struct ieee80211_bss_conf *info = &vif->bss_conf;1825 struct cfg80211_chan_def def;1826 struct cfg80211_bss *bss;1827 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);1828 const u8 *rsnie = NULL;1829 const u8 *wpaie = NULL;1830 1831 lockdep_assert_held(&ar->conf_mutex);1832 1833 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))1834 return;1835 1836 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,1837 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);1838 1839 if (arvif->rsnie_present || arvif->wpaie_present) {1840 arg->need_ptk_4_way = true;1841 if (arvif->wpaie_present)1842 arg->need_gtk_2_way = true;1843 } else if (bss) {1844 const struct cfg80211_bss_ies *ies;1845 1846 rcu_read_lock();1847 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);1848 1849 ies = rcu_dereference(bss->ies);1850 1851 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,1852 WLAN_OUI_TYPE_MICROSOFT_WPA,1853 ies->data,1854 ies->len);1855 rcu_read_unlock();1856 cfg80211_put_bss(ar->hw->wiphy, bss);1857 }1858 1859 /* FIXME: base on RSN IE/WPA IE is a correct idea? */1860 if (rsnie || wpaie) {1861 ath11k_dbg(ar->ab, ATH11K_DBG_WMI,1862 "%s: rsn ie found\n", __func__);1863 arg->need_ptk_4_way = true;1864 }1865 1866 if (wpaie) {1867 ath11k_dbg(ar->ab, ATH11K_DBG_WMI,1868 "%s: wpa ie found\n", __func__);1869 arg->need_gtk_2_way = true;1870 }1871 1872 if (sta->mfp) {1873 /* TODO: Need to check if FW supports PMF? */1874 arg->is_pmf_enabled = true;1875 }1876 1877 /* TODO: safe_mode_enabled (bypass 4-way handshake) flag req? */1878}1879 1880static void ath11k_peer_assoc_h_rates(struct ath11k *ar,1881 struct ieee80211_vif *vif,1882 struct ieee80211_sta *sta,1883 struct peer_assoc_params *arg)1884{1885 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);1886 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;1887 struct cfg80211_chan_def def;1888 const struct ieee80211_supported_band *sband;1889 const struct ieee80211_rate *rates;1890 enum nl80211_band band;1891 u32 ratemask;1892 u8 rate;1893 int i;1894 1895 lockdep_assert_held(&ar->conf_mutex);1896 1897 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))1898 return;1899 1900 band = def.chan->band;1901 sband = ar->hw->wiphy->bands[band];1902 ratemask = sta->deflink.supp_rates[band];1903 ratemask &= arvif->bitrate_mask.control[band].legacy;1904 rates = sband->bitrates;1905 1906 rateset->num_rates = 0;1907 1908 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {1909 if (!(ratemask & 1))1910 continue;1911 1912 rate = ath11k_mac_bitrate_to_rate(rates->bitrate);1913 rateset->rates[rateset->num_rates] = rate;1914 rateset->num_rates++;1915 }1916}1917 1918static bool1919ath11k_peer_assoc_h_ht_masked(const u8 *ht_mcs_mask)1920{1921 int nss;1922 1923 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)1924 if (ht_mcs_mask[nss])1925 return false;1926 1927 return true;1928}1929 1930static bool1931ath11k_peer_assoc_h_vht_masked(const u16 *vht_mcs_mask)1932{1933 int nss;1934 1935 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)1936 if (vht_mcs_mask[nss])1937 return false;1938 1939 return true;1940}1941 1942static void ath11k_peer_assoc_h_ht(struct ath11k *ar,1943 struct ieee80211_vif *vif,1944 struct ieee80211_sta *sta,1945 struct peer_assoc_params *arg)1946{1947 const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;1948 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);1949 struct cfg80211_chan_def def;1950 enum nl80211_band band;1951 const u8 *ht_mcs_mask;1952 int i, n;1953 u8 max_nss;1954 u32 stbc;1955 1956 lockdep_assert_held(&ar->conf_mutex);1957 1958 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))1959 return;1960 1961 if (!ht_cap->ht_supported)1962 return;1963 1964 band = def.chan->band;1965 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;1966 1967 if (ath11k_peer_assoc_h_ht_masked(ht_mcs_mask))1968 return;1969 1970 arg->ht_flag = true;1971 1972 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +1973 ht_cap->ampdu_factor)) - 1;1974 1975 arg->peer_mpdu_density =1976 ath11k_parse_mpdudensity(ht_cap->ampdu_density);1977 1978 arg->peer_ht_caps = ht_cap->cap;1979 arg->peer_rate_caps |= WMI_HOST_RC_HT_FLAG;1980 1981 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)1982 arg->ldpc_flag = true;1983 1984 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) {1985 arg->bw_40 = true;1986 arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG;1987 }1988 1989 /* As firmware handles this two flags (IEEE80211_HT_CAP_SGI_201990 * and IEEE80211_HT_CAP_SGI_40) for enabling SGI, we reset1991 * both flags if guard interval is Default GI1992 */1993 if (arvif->bitrate_mask.control[band].gi == NL80211_TXRATE_DEFAULT_GI)1994 arg->peer_ht_caps &= ~(IEEE80211_HT_CAP_SGI_20 |1995 IEEE80211_HT_CAP_SGI_40);1996 1997 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {1998 if (ht_cap->cap & (IEEE80211_HT_CAP_SGI_20 |1999 IEEE80211_HT_CAP_SGI_40))2000 arg->peer_rate_caps |= WMI_HOST_RC_SGI_FLAG;2001 }2002 2003 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {2004 arg->peer_rate_caps |= WMI_HOST_RC_TX_STBC_FLAG;2005 arg->stbc_flag = true;2006 }2007 2008 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {2009 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;2010 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;2011 stbc = stbc << WMI_HOST_RC_RX_STBC_FLAG_S;2012 arg->peer_rate_caps |= stbc;2013 arg->stbc_flag = true;2014 }2015 2016 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])2017 arg->peer_rate_caps |= WMI_HOST_RC_TS_FLAG;2018 else if (ht_cap->mcs.rx_mask[1])2019 arg->peer_rate_caps |= WMI_HOST_RC_DS_FLAG;2020 2021 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)2022 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&2023 (ht_mcs_mask[i / 8] & BIT(i % 8))) {2024 max_nss = (i / 8) + 1;2025 arg->peer_ht_rates.rates[n++] = i;2026 }2027 2028 /* This is a workaround for HT-enabled STAs which break the spec2029 * and have no HT capabilities RX mask (no HT RX MCS map).2030 *2031 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),2032 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.2033 *2034 * Firmware asserts if such situation occurs.2035 */2036 if (n == 0) {2037 arg->peer_ht_rates.num_rates = 8;2038 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)2039 arg->peer_ht_rates.rates[i] = i;2040 } else {2041 arg->peer_ht_rates.num_rates = n;2042 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);2043 }2044 2045 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "ht peer %pM mcs cnt %d nss %d\n",2046 arg->peer_mac,2047 arg->peer_ht_rates.num_rates,2048 arg->peer_nss);2049}2050 2051static int ath11k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)2052{2053 switch ((mcs_map >> (2 * nss)) & 0x3) {2054 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;2055 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;2056 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;2057 }2058 return 0;2059}2060 2061static u162062ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set,2063 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])2064{2065 int idx_limit;2066 int nss;2067 u16 mcs_map;2068 u16 mcs;2069 2070 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {2071 mcs_map = ath11k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &2072 vht_mcs_limit[nss];2073 2074 if (mcs_map)2075 idx_limit = fls(mcs_map) - 1;2076 else2077 idx_limit = -1;2078 2079 switch (idx_limit) {2080 case 0:2081 case 1:2082 case 2:2083 case 3:2084 case 4:2085 case 5:2086 case 6:2087 case 7:2088 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;2089 break;2090 case 8:2091 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;2092 break;2093 case 9:2094 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;2095 break;2096 default:2097 WARN_ON(1);2098 fallthrough;2099 case -1:2100 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;2101 break;2102 }2103 2104 tx_mcs_set &= ~(0x3 << (nss * 2));2105 tx_mcs_set |= mcs << (nss * 2);2106 }2107 2108 return tx_mcs_set;2109}2110 2111static u8 ath11k_get_nss_160mhz(struct ath11k *ar,2112 u8 max_nss)2113{2114 u8 nss_ratio_info = ar->pdev->cap.nss_ratio_info;2115 u8 max_sup_nss = 0;2116 2117 switch (nss_ratio_info) {2118 case WMI_NSS_RATIO_1BY2_NSS:2119 max_sup_nss = max_nss >> 1;2120 break;2121 case WMI_NSS_RATIO_3BY4_NSS:2122 ath11k_warn(ar->ab, "WMI_NSS_RATIO_3BY4_NSS not supported\n");2123 break;2124 case WMI_NSS_RATIO_1_NSS:2125 max_sup_nss = max_nss;2126 break;2127 case WMI_NSS_RATIO_2_NSS:2128 ath11k_warn(ar->ab, "WMI_NSS_RATIO_2_NSS not supported\n");2129 break;2130 default:2131 ath11k_warn(ar->ab, "invalid nss ratio received from firmware: %d\n",2132 nss_ratio_info);2133 break;2134 }2135 2136 return max_sup_nss;2137}2138 2139static void ath11k_peer_assoc_h_vht(struct ath11k *ar,2140 struct ieee80211_vif *vif,2141 struct ieee80211_sta *sta,2142 struct peer_assoc_params *arg)2143{2144 const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap;2145 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);2146 struct cfg80211_chan_def def;2147 enum nl80211_band band;2148 u16 *vht_mcs_mask;2149 u8 ampdu_factor;2150 u8 max_nss, vht_mcs;2151 int i, vht_nss, nss_idx;2152 bool user_rate_valid = true;2153 u32 rx_nss, tx_nss, nss_160;2154 2155 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))2156 return;2157 2158 if (!vht_cap->vht_supported)2159 return;2160 2161 band = def.chan->band;2162 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;2163 2164 if (ath11k_peer_assoc_h_vht_masked(vht_mcs_mask))2165 return;2166 2167 arg->vht_flag = true;2168 2169 /* TODO: similar flags required? */2170 arg->vht_capable = true;2171 2172 if (def.chan->band == NL80211_BAND_2GHZ)2173 arg->vht_ng_flag = true;2174 2175 arg->peer_vht_caps = vht_cap->cap;2176 2177 ampdu_factor = (vht_cap->cap &2178 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>2179 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;2180 2181 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to2182 * zero in VHT IE. Using it would result in degraded throughput.2183 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep2184 * it if VHT max_mpdu is smaller.2185 */2186 arg->peer_max_mpdu = max(arg->peer_max_mpdu,2187 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +2188 ampdu_factor)) - 1);2189 2190 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)2191 arg->bw_80 = true;2192 2193 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160)2194 arg->bw_160 = true;2195 2196 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask);2197 2198 if (vht_nss > sta->deflink.rx_nss) {2199 user_rate_valid = false;2200 for (nss_idx = sta->deflink.rx_nss - 1; nss_idx >= 0; nss_idx--) {2201 if (vht_mcs_mask[nss_idx]) {2202 user_rate_valid = true;2203 break;2204 }2205 }2206 }2207 2208 if (!user_rate_valid) {2209 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting vht range mcs value to peer supported nss %d for peer %pM\n",2210 sta->deflink.rx_nss, sta->addr);2211 vht_mcs_mask[sta->deflink.rx_nss - 1] = vht_mcs_mask[vht_nss - 1];2212 }2213 2214 /* Calculate peer NSS capability from VHT capabilities if STA2215 * supports VHT.2216 */2217 for (i = 0, max_nss = 0; i < NL80211_VHT_NSS_MAX; i++) {2218 vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >>2219 (2 * i) & 3;2220 2221 if (vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED &&2222 vht_mcs_mask[i])2223 max_nss = i + 1;2224 }2225 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);2226 arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest);2227 arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);2228 arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest);2229 arg->tx_mcs_set = ath11k_peer_assoc_h_vht_limit(2230 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);2231 2232 /* In IPQ8074 platform, VHT mcs rate 10 and 11 is enabled by default.2233 * VHT mcs rate 10 and 11 is not suppoerted in 11ac standard.2234 * so explicitly disable the VHT MCS rate 10 and 11 in 11ac mode.2235 */2236 arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK;2237 arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11;2238 2239 if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) ==2240 IEEE80211_VHT_MCS_NOT_SUPPORTED)2241 arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;2242 2243 /* TODO: Check */2244 arg->tx_max_mcs_nss = 0xFF;2245 2246 if (arg->peer_phymode == MODE_11AC_VHT160 ||2247 arg->peer_phymode == MODE_11AC_VHT80_80) {2248 tx_nss = ath11k_get_nss_160mhz(ar, max_nss);2249 rx_nss = min(arg->peer_nss, tx_nss);2250 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE;2251 2252 if (!rx_nss) {2253 ath11k_warn(ar->ab, "invalid max_nss\n");2254 return;2255 }2256 2257 if (arg->peer_phymode == MODE_11AC_VHT160)2258 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1);2259 else2260 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1);2261 2262 arg->peer_bw_rxnss_override |= nss_160;2263 }2264 2265 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,2266 "vht peer %pM max_mpdu %d flags 0x%x nss_override 0x%x\n",2267 sta->addr, arg->peer_max_mpdu, arg->peer_flags,2268 arg->peer_bw_rxnss_override);2269}2270 2271static int ath11k_mac_get_max_he_mcs_map(u16 mcs_map, int nss)2272{2273 switch ((mcs_map >> (2 * nss)) & 0x3) {2274 case IEEE80211_HE_MCS_SUPPORT_0_7: return BIT(8) - 1;2275 case IEEE80211_HE_MCS_SUPPORT_0_9: return BIT(10) - 1;2276 case IEEE80211_HE_MCS_SUPPORT_0_11: return BIT(12) - 1;2277 }2278 return 0;2279}2280 2281static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,2282 const u16 he_mcs_limit[NL80211_HE_NSS_MAX])2283{2284 int idx_limit;2285 int nss;2286 u16 mcs_map;2287 u16 mcs;2288 2289 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {2290 mcs_map = ath11k_mac_get_max_he_mcs_map(tx_mcs_set, nss) &2291 he_mcs_limit[nss];2292 2293 if (mcs_map)2294 idx_limit = fls(mcs_map) - 1;2295 else2296 idx_limit = -1;2297 2298 switch (idx_limit) {2299 case 0 ... 7:2300 mcs = IEEE80211_HE_MCS_SUPPORT_0_7;2301 break;2302 case 8:2303 case 9:2304 mcs = IEEE80211_HE_MCS_SUPPORT_0_9;2305 break;2306 case 10:2307 case 11:2308 mcs = IEEE80211_HE_MCS_SUPPORT_0_11;2309 break;2310 default:2311 WARN_ON(1);2312 fallthrough;2313 case -1:2314 mcs = IEEE80211_HE_MCS_NOT_SUPPORTED;2315 break;2316 }2317 2318 tx_mcs_set &= ~(0x3 << (nss * 2));2319 tx_mcs_set |= mcs << (nss * 2);2320 }2321 2322 return tx_mcs_set;2323}2324 2325static bool2326ath11k_peer_assoc_h_he_masked(const u16 *he_mcs_mask)2327{2328 int nss;2329 2330 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++)2331 if (he_mcs_mask[nss])2332 return false;2333 2334 return true;2335}2336 2337static void ath11k_peer_assoc_h_he(struct ath11k *ar,2338 struct ieee80211_vif *vif,2339 struct ieee80211_sta *sta,2340 struct peer_assoc_params *arg)2341{2342 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);2343 struct cfg80211_chan_def def;2344 const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;2345 enum nl80211_band band;2346 u16 he_mcs_mask[NL80211_HE_NSS_MAX];2347 u8 max_nss, he_mcs;2348 u16 he_tx_mcs = 0, v = 0;2349 int i, he_nss, nss_idx;2350 bool user_rate_valid = true;2351 u32 rx_nss, tx_nss, nss_160;2352 u8 ampdu_factor, rx_mcs_80, rx_mcs_160;2353 u16 mcs_160_map, mcs_80_map;2354 bool support_160;2355 2356 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))2357 return;2358 2359 if (!he_cap->has_he)2360 return;2361 2362 band = def.chan->band;2363 memcpy(he_mcs_mask, arvif->bitrate_mask.control[band].he_mcs,2364 sizeof(he_mcs_mask));2365 2366 if (ath11k_peer_assoc_h_he_masked(he_mcs_mask))2367 return;2368 2369 arg->he_flag = true;2370 support_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] &2371 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G);2372 2373 /* Supported HE-MCS and NSS Set of peer he_cap is intersection with self he_cp */2374 mcs_160_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);2375 mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);2376 2377 /* Initialize rx_mcs_160 to 9 which is an invalid value */2378 rx_mcs_160 = 9;2379 if (support_160) {2380 for (i = 7; i >= 0; i--) {2381 u8 mcs_160 = (mcs_160_map >> (2 * i)) & 3;2382 2383 if (mcs_160 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {2384 rx_mcs_160 = i + 1;2385 break;2386 }2387 }2388 }2389 2390 /* Initialize rx_mcs_80 to 9 which is an invalid value */2391 rx_mcs_80 = 9;2392 for (i = 7; i >= 0; i--) {2393 u8 mcs_80 = (mcs_80_map >> (2 * i)) & 3;2394 2395 if (mcs_80 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {2396 rx_mcs_80 = i + 1;2397 break;2398 }2399 }2400 2401 if (support_160)2402 max_nss = min(rx_mcs_80, rx_mcs_160);2403 else2404 max_nss = rx_mcs_80;2405 2406 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);2407 2408 memcpy_and_pad(&arg->peer_he_cap_macinfo,2409 sizeof(arg->peer_he_cap_macinfo),2410 he_cap->he_cap_elem.mac_cap_info,2411 sizeof(he_cap->he_cap_elem.mac_cap_info),2412 0);2413 memcpy_and_pad(&arg->peer_he_cap_phyinfo,2414 sizeof(arg->peer_he_cap_phyinfo),2415 he_cap->he_cap_elem.phy_cap_info,2416 sizeof(he_cap->he_cap_elem.phy_cap_info),2417 0);2418 arg->peer_he_ops = vif->bss_conf.he_oper.params;2419 2420 /* the top most byte is used to indicate BSS color info */2421 arg->peer_he_ops &= 0xffffff;2422 2423 /* As per section 26.6.1 11ax Draft5.0, if the Max AMPDU Exponent Extension2424 * in HE cap is zero, use the arg->peer_max_mpdu as calculated while parsing2425 * VHT caps(if VHT caps is present) or HT caps (if VHT caps is not present).2426 *2427 * For non-zero value of Max AMPDU Extponent Extension in HE MAC caps,2428 * if a HE STA sends VHT cap and HE cap IE in assoc request then, use2429 * MAX_AMPDU_LEN_FACTOR as 20 to calculate max_ampdu length.2430 * If a HE STA that does not send VHT cap, but HE and HT cap in assoc2431 * request, then use MAX_AMPDU_LEN_FACTOR as 16 to calculate max_ampdu2432 * length.2433 */2434 ampdu_factor = u8_get_bits(he_cap->he_cap_elem.mac_cap_info[3],2435 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK);2436 2437 if (ampdu_factor) {2438 if (sta->deflink.vht_cap.vht_supported)2439 arg->peer_max_mpdu = (1 << (IEEE80211_HE_VHT_MAX_AMPDU_FACTOR +2440 ampdu_factor)) - 1;2441 else if (sta->deflink.ht_cap.ht_supported)2442 arg->peer_max_mpdu = (1 << (IEEE80211_HE_HT_MAX_AMPDU_FACTOR +2443 ampdu_factor)) - 1;2444 }2445 2446 if (he_cap->he_cap_elem.phy_cap_info[6] &2447 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {2448 int bit = 7;2449 int nss, ru;2450 2451 arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] &2452 IEEE80211_PPE_THRES_NSS_MASK;2453 arg->peer_ppet.ru_bit_mask =2454 (he_cap->ppe_thres[0] &2455 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >>2456 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS;2457 2458 for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) {2459 for (ru = 0; ru < 4; ru++) {2460 u32 val = 0;2461 int i;2462 2463 if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0)2464 continue;2465 for (i = 0; i < 6; i++) {2466 val >>= 1;2467 val |= ((he_cap->ppe_thres[bit / 8] >>2468 (bit % 8)) & 0x1) << 5;2469 bit++;2470 }2471 arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |=2472 val << (ru * 6);2473 }2474 }2475 }2476 2477 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_RES)2478 arg->twt_responder = true;2479 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ)2480 arg->twt_requester = true;2481 2482 he_nss = ath11k_mac_max_he_nss(he_mcs_mask);2483 2484 if (he_nss > sta->deflink.rx_nss) {2485 user_rate_valid = false;2486 for (nss_idx = sta->deflink.rx_nss - 1; nss_idx >= 0; nss_idx--) {2487 if (he_mcs_mask[nss_idx]) {2488 user_rate_valid = true;2489 break;2490 }2491 }2492 }2493 2494 if (!user_rate_valid) {2495 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting he range mcs value to peer supported nss %d for peer %pM\n",2496 sta->deflink.rx_nss, sta->addr);2497 he_mcs_mask[sta->deflink.rx_nss - 1] = he_mcs_mask[he_nss - 1];2498 }2499 2500 switch (sta->deflink.bandwidth) {2501 case IEEE80211_STA_RX_BW_160:2502 if (he_cap->he_cap_elem.phy_cap_info[0] &2503 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {2504 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80p80);2505 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);2506 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;2507 2508 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80p80);2509 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;2510 2511 arg->peer_he_mcs_count++;2512 he_tx_mcs = v;2513 }2514 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);2515 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;2516 2517 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_160);2518 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);2519 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;2520 2521 arg->peer_he_mcs_count++;2522 if (!he_tx_mcs)2523 he_tx_mcs = v;2524 fallthrough;2525 2526 default:2527 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);2528 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;2529 2530 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);2531 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);2532 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;2533 2534 arg->peer_he_mcs_count++;2535 if (!he_tx_mcs)2536 he_tx_mcs = v;2537 break;2538 }2539 2540 /* Calculate peer NSS capability from HE capabilities if STA2541 * supports HE.2542 */2543 for (i = 0, max_nss = 0; i < NL80211_HE_NSS_MAX; i++) {2544 he_mcs = he_tx_mcs >> (2 * i) & 3;2545 2546 /* In case of fixed rates, MCS Range in he_tx_mcs might have2547 * unsupported range, with he_mcs_mask set, so check either of them2548 * to find nss.2549 */2550 if (he_mcs != IEEE80211_HE_MCS_NOT_SUPPORTED ||2551 he_mcs_mask[i])2552 max_nss = i + 1;2553 }2554 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);2555 2556 if (arg->peer_phymode == MODE_11AX_HE160 ||2557 arg->peer_phymode == MODE_11AX_HE80_80) {2558 tx_nss = ath11k_get_nss_160mhz(ar, max_nss);2559 rx_nss = min(arg->peer_nss, tx_nss);2560 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE;2561 2562 if (!rx_nss) {2563 ath11k_warn(ar->ab, "invalid max_nss\n");2564 return;2565 }2566 2567 if (arg->peer_phymode == MODE_11AX_HE160)2568 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1);2569 else2570 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1);2571 2572 arg->peer_bw_rxnss_override |= nss_160;2573 }2574 2575 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,2576 "he peer %pM nss %d mcs cnt %d nss_override 0x%x\n",2577 sta->addr, arg->peer_nss,2578 arg->peer_he_mcs_count,2579 arg->peer_bw_rxnss_override);2580}2581 2582static void ath11k_peer_assoc_h_he_6ghz(struct ath11k *ar,2583 struct ieee80211_vif *vif,2584 struct ieee80211_sta *sta,2585 struct peer_assoc_params *arg)2586{2587 const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;2588 struct cfg80211_chan_def def;2589 enum nl80211_band band;2590 u8 ampdu_factor;2591 2592 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))2593 return;2594 2595 band = def.chan->band;2596 2597 if (!arg->he_flag || band != NL80211_BAND_6GHZ || !sta->deflink.he_6ghz_capa.capa)2598 return;2599 2600 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)2601 arg->bw_40 = true;2602 2603 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)2604 arg->bw_80 = true;2605 2606 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160)2607 arg->bw_160 = true;2608 2609 arg->peer_he_caps_6ghz = le16_to_cpu(sta->deflink.he_6ghz_capa.capa);2610 arg->peer_mpdu_density =2611 ath11k_parse_mpdudensity(FIELD_GET(IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START,2612 arg->peer_he_caps_6ghz));2613 2614 /* From IEEE Std 802.11ax-2021 - Section 10.12.2: An HE STA shall be capable of2615 * receiving A-MPDU where the A-MPDU pre-EOF padding length is up to the value2616 * indicated by the Maximum A-MPDU Length Exponent Extension field in the HE2617 * Capabilities element and the Maximum A-MPDU Length Exponent field in HE 6 GHz2618 * Band Capabilities element in the 6 GHz band.2619 *2620 * Here, we are extracting the Max A-MPDU Exponent Extension from HE caps and2621 * factor is the Maximum A-MPDU Length Exponent from HE 6 GHZ Band capability.2622 */2623 ampdu_factor = FIELD_GET(IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK,2624 he_cap->he_cap_elem.mac_cap_info[3]) +2625 FIELD_GET(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP,2626 arg->peer_he_caps_6ghz);2627 2628 arg->peer_max_mpdu = (1u << (IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR +2629 ampdu_factor)) - 1;2630}2631 2632static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta,2633 struct peer_assoc_params *arg)2634{2635 const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;2636 int smps;2637 2638 if (!ht_cap->ht_supported && !sta->deflink.he_6ghz_capa.capa)2639 return;2640 2641 if (ht_cap->ht_supported) {2642 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;2643 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;2644 } else {2645 smps = le16_get_bits(sta->deflink.he_6ghz_capa.capa,2646 IEEE80211_HE_6GHZ_CAP_SM_PS);2647 }2648 2649 switch (smps) {2650 case WLAN_HT_CAP_SM_PS_STATIC:2651 arg->static_mimops_flag = true;2652 break;2653 case WLAN_HT_CAP_SM_PS_DYNAMIC:2654 arg->dynamic_mimops_flag = true;2655 break;2656 case WLAN_HT_CAP_SM_PS_DISABLED:2657 arg->spatial_mux_flag = true;2658 break;2659 default:2660 break;2661 }2662}2663 2664static void ath11k_peer_assoc_h_qos(struct ath11k *ar,2665 struct ieee80211_vif *vif,2666 struct ieee80211_sta *sta,2667 struct peer_assoc_params *arg)2668{2669 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);2670 2671 switch (arvif->vdev_type) {2672 case WMI_VDEV_TYPE_AP:2673 if (sta->wme) {2674 /* TODO: Check WME vs QoS */2675 arg->is_wme_set = true;2676 arg->qos_flag = true;2677 }2678 2679 if (sta->wme && sta->uapsd_queues) {2680 /* TODO: Check WME vs QoS */2681 arg->is_wme_set = true;2682 arg->apsd_flag = true;2683 arg->peer_rate_caps |= WMI_HOST_RC_UAPSD_FLAG;2684 }2685 break;2686 case WMI_VDEV_TYPE_STA:2687 if (sta->wme) {2688 arg->is_wme_set = true;2689 arg->qos_flag = true;2690 }2691 break;2692 default:2693 break;2694 }2695 2696 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "peer %pM qos %d\n",2697 sta->addr, arg->qos_flag);2698}2699 2700static int ath11k_peer_assoc_qos_ap(struct ath11k *ar,2701 struct ath11k_vif *arvif,2702 struct ieee80211_sta *sta)2703{2704 struct ap_ps_params params;2705 u32 max_sp;2706 u32 uapsd;2707 int ret;2708 2709 lockdep_assert_held(&ar->conf_mutex);2710 2711 params.vdev_id = arvif->vdev_id;2712 2713 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "uapsd_queues 0x%x max_sp %d\n",2714 sta->uapsd_queues, sta->max_sp);2715 2716 uapsd = 0;2717 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)2718 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |2719 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;2720 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)2721 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |2722 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;2723 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)2724 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |2725 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;2726 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)2727 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |2728 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;2729 2730 max_sp = 0;2731 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)2732 max_sp = sta->max_sp;2733 2734 params.param = WMI_AP_PS_PEER_PARAM_UAPSD;2735 params.value = uapsd;2736 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);2737 if (ret)2738 goto err;2739 2740 params.param = WMI_AP_PS_PEER_PARAM_MAX_SP;2741 params.value = max_sp;2742 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);2743 if (ret)2744 goto err;2745 2746 /* TODO revisit during testing */2747 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_FRMTYPE;2748 params.value = DISABLE_SIFS_RESPONSE_TRIGGER;2749 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);2750 if (ret)2751 goto err;2752 2753 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_UAPSD;2754 params.value = DISABLE_SIFS_RESPONSE_TRIGGER;2755 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);2756 if (ret)2757 goto err;2758 2759 return 0;2760 2761err:2762 ath11k_warn(ar->ab, "failed to set ap ps peer param %d for vdev %i: %d\n",2763 params.param, arvif->vdev_id, ret);2764 return ret;2765}2766 2767static bool ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)2768{2769 return sta->deflink.supp_rates[NL80211_BAND_2GHZ] >>2770 ATH11K_MAC_FIRST_OFDM_RATE_IDX;2771}2772 2773static enum wmi_phy_mode ath11k_mac_get_phymode_vht(struct ath11k *ar,2774 struct ieee80211_sta *sta)2775{2776 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) {2777 switch (sta->deflink.vht_cap.cap &2778 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {2779 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:2780 return MODE_11AC_VHT160;2781 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:2782 return MODE_11AC_VHT80_80;2783 default:2784 /* not sure if this is a valid case? */2785 return MODE_11AC_VHT160;2786 }2787 }2788 2789 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)2790 return MODE_11AC_VHT80;2791 2792 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)2793 return MODE_11AC_VHT40;2794 2795 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20)2796 return MODE_11AC_VHT20;2797 2798 return MODE_UNKNOWN;2799}2800 2801static enum wmi_phy_mode ath11k_mac_get_phymode_he(struct ath11k *ar,2802 struct ieee80211_sta *sta)2803{2804 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) {2805 if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] &2806 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)2807 return MODE_11AX_HE160;2808 else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] &2809 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)2810 return MODE_11AX_HE80_80;2811 /* not sure if this is a valid case? */2812 return MODE_11AX_HE160;2813 }2814 2815 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)2816 return MODE_11AX_HE80;2817 2818 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)2819 return MODE_11AX_HE40;2820 2821 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20)2822 return MODE_11AX_HE20;2823 2824 return MODE_UNKNOWN;2825}2826 2827static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,2828 struct ieee80211_vif *vif,2829 struct ieee80211_sta *sta,2830 struct peer_assoc_params *arg)2831{2832 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);2833 struct cfg80211_chan_def def;2834 enum nl80211_band band;2835 const u8 *ht_mcs_mask;2836 const u16 *vht_mcs_mask;2837 const u16 *he_mcs_mask;2838 enum wmi_phy_mode phymode = MODE_UNKNOWN;2839 2840 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))2841 return;2842 2843 band = def.chan->band;2844 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;2845 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;2846 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs;2847 2848 switch (band) {2849 case NL80211_BAND_2GHZ:2850 if (sta->deflink.he_cap.has_he &&2851 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) {2852 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)2853 phymode = MODE_11AX_HE80_2G;2854 else if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)2855 phymode = MODE_11AX_HE40_2G;2856 else2857 phymode = MODE_11AX_HE20_2G;2858 } else if (sta->deflink.vht_cap.vht_supported &&2859 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {2860 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)2861 phymode = MODE_11AC_VHT40;2862 else2863 phymode = MODE_11AC_VHT20;2864 } else if (sta->deflink.ht_cap.ht_supported &&2865 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) {2866 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)2867 phymode = MODE_11NG_HT40;2868 else2869 phymode = MODE_11NG_HT20;2870 } else if (ath11k_mac_sta_has_ofdm_only(sta)) {2871 phymode = MODE_11G;2872 } else {2873 phymode = MODE_11B;2874 }2875 break;2876 case NL80211_BAND_5GHZ:2877 case NL80211_BAND_6GHZ:2878 /* Check HE first */2879 if (sta->deflink.he_cap.has_he &&2880 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) {2881 phymode = ath11k_mac_get_phymode_he(ar, sta);2882 } else if (sta->deflink.vht_cap.vht_supported &&2883 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {2884 phymode = ath11k_mac_get_phymode_vht(ar, sta);2885 } else if (sta->deflink.ht_cap.ht_supported &&2886 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) {2887 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40)2888 phymode = MODE_11NA_HT40;2889 else2890 phymode = MODE_11NA_HT20;2891 } else {2892 phymode = MODE_11A;2893 }2894 break;2895 default:2896 break;2897 }2898 2899 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "peer %pM phymode %s\n",2900 sta->addr, ath11k_wmi_phymode_str(phymode));2901 2902 arg->peer_phymode = phymode;2903 WARN_ON(phymode == MODE_UNKNOWN);2904}2905 2906static void ath11k_peer_assoc_prepare(struct ath11k *ar,2907 struct ieee80211_vif *vif,2908 struct ieee80211_sta *sta,2909 struct peer_assoc_params *arg,2910 bool reassoc)2911{2912 struct ath11k_sta *arsta;2913 2914 lockdep_assert_held(&ar->conf_mutex);2915 2916 arsta = ath11k_sta_to_arsta(sta);2917 2918 memset(arg, 0, sizeof(*arg));2919 2920 reinit_completion(&ar->peer_assoc_done);2921 2922 arg->peer_new_assoc = !reassoc;2923 ath11k_peer_assoc_h_basic(ar, vif, sta, arg);2924 ath11k_peer_assoc_h_crypto(ar, vif, sta, arg);2925 ath11k_peer_assoc_h_rates(ar, vif, sta, arg);2926 ath11k_peer_assoc_h_phymode(ar, vif, sta, arg);2927 ath11k_peer_assoc_h_ht(ar, vif, sta, arg);2928 ath11k_peer_assoc_h_vht(ar, vif, sta, arg);2929 ath11k_peer_assoc_h_he(ar, vif, sta, arg);2930 ath11k_peer_assoc_h_he_6ghz(ar, vif, sta, arg);2931 ath11k_peer_assoc_h_qos(ar, vif, sta, arg);2932 ath11k_peer_assoc_h_smps(sta, arg);2933 2934 arsta->peer_nss = arg->peer_nss;2935 2936 /* TODO: amsdu_disable req? */2937}2938 2939static int ath11k_setup_peer_smps(struct ath11k *ar, struct ath11k_vif *arvif,2940 const u8 *addr,2941 const struct ieee80211_sta_ht_cap *ht_cap,2942 u16 he_6ghz_capa)2943{2944 int smps;2945 2946 if (!ht_cap->ht_supported && !he_6ghz_capa)2947 return 0;2948 2949 if (ht_cap->ht_supported) {2950 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;2951 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;2952 } else {2953 smps = FIELD_GET(IEEE80211_HE_6GHZ_CAP_SM_PS, he_6ghz_capa);2954 }2955 2956 if (smps >= ARRAY_SIZE(ath11k_smps_map))2957 return -EINVAL;2958 2959 return ath11k_wmi_set_peer_param(ar, addr, arvif->vdev_id,2960 WMI_PEER_MIMO_PS_STATE,2961 ath11k_smps_map[smps]);2962}2963 2964static bool ath11k_mac_set_he_txbf_conf(struct ath11k_vif *arvif)2965{2966 struct ath11k *ar = arvif->ar;2967 u32 param, value;2968 int ret;2969 2970 if (!arvif->vif->bss_conf.he_support)2971 return true;2972 2973 param = WMI_VDEV_PARAM_SET_HEMU_MODE;2974 value = 0;2975 if (arvif->vif->bss_conf.he_su_beamformer) {2976 value |= FIELD_PREP(HE_MODE_SU_TX_BFER, HE_SU_BFER_ENABLE);2977 if (arvif->vif->bss_conf.he_mu_beamformer &&2978 arvif->vdev_type == WMI_VDEV_TYPE_AP)2979 value |= FIELD_PREP(HE_MODE_MU_TX_BFER, HE_MU_BFER_ENABLE);2980 }2981 2982 if (arvif->vif->type != NL80211_IFTYPE_MESH_POINT) {2983 value |= FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) |2984 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE);2985 2986 if (arvif->vif->bss_conf.he_full_ul_mumimo)2987 value |= FIELD_PREP(HE_MODE_UL_MUMIMO, HE_UL_MUMIMO_ENABLE);2988 2989 if (arvif->vif->bss_conf.he_su_beamformee)2990 value |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE);2991 }2992 2993 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, value);2994 if (ret) {2995 ath11k_warn(ar->ab, "failed to set vdev %d HE MU mode: %d\n",2996 arvif->vdev_id, ret);2997 return false;2998 }2999 3000 param = WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE;3001 value = FIELD_PREP(HE_VHT_SOUNDING_MODE, HE_VHT_SOUNDING_MODE_ENABLE) |3002 FIELD_PREP(HE_TRIG_NONTRIG_SOUNDING_MODE,3003 HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE);3004 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3005 param, value);3006 if (ret) {3007 ath11k_warn(ar->ab, "failed to set vdev %d sounding mode: %d\n",3008 arvif->vdev_id, ret);3009 return false;3010 }3011 return true;3012}3013 3014static bool ath11k_mac_vif_recalc_sta_he_txbf(struct ath11k *ar,3015 struct ieee80211_vif *vif,3016 struct ieee80211_sta_he_cap *he_cap)3017{3018 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);3019 struct ieee80211_he_cap_elem he_cap_elem = {0};3020 struct ieee80211_sta_he_cap *cap_band = NULL;3021 struct cfg80211_chan_def def;3022 u32 param = WMI_VDEV_PARAM_SET_HEMU_MODE;3023 u32 hemode = 0;3024 int ret;3025 3026 if (!vif->bss_conf.he_support)3027 return true;3028 3029 if (vif->type != NL80211_IFTYPE_STATION)3030 return false;3031 3032 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))3033 return false;3034 3035 if (def.chan->band == NL80211_BAND_2GHZ)3036 cap_band = &ar->mac.iftype[NL80211_BAND_2GHZ][vif->type].he_cap;3037 else3038 cap_band = &ar->mac.iftype[NL80211_BAND_5GHZ][vif->type].he_cap;3039 3040 memcpy(&he_cap_elem, &cap_band->he_cap_elem, sizeof(he_cap_elem));3041 3042 if (HECAP_PHY_SUBFME_GET(he_cap_elem.phy_cap_info)) {3043 if (HECAP_PHY_SUBFMR_GET(he_cap->he_cap_elem.phy_cap_info))3044 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE);3045 if (HECAP_PHY_MUBFMR_GET(he_cap->he_cap_elem.phy_cap_info))3046 hemode |= FIELD_PREP(HE_MODE_MU_TX_BFEE, HE_MU_BFEE_ENABLE);3047 }3048 3049 if (vif->type != NL80211_IFTYPE_MESH_POINT) {3050 hemode |= FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) |3051 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE);3052 3053 if (HECAP_PHY_ULMUMIMO_GET(he_cap_elem.phy_cap_info))3054 if (HECAP_PHY_ULMUMIMO_GET(he_cap->he_cap_elem.phy_cap_info))3055 hemode |= FIELD_PREP(HE_MODE_UL_MUMIMO,3056 HE_UL_MUMIMO_ENABLE);3057 3058 if (FIELD_GET(HE_MODE_MU_TX_BFEE, hemode))3059 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE);3060 3061 if (FIELD_GET(HE_MODE_MU_TX_BFER, hemode))3062 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFER, HE_SU_BFER_ENABLE);3063 }3064 3065 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, hemode);3066 if (ret) {3067 ath11k_warn(ar->ab, "failed to submit vdev param txbf 0x%x: %d\n",3068 hemode, ret);3069 return false;3070 }3071 3072 return true;3073}3074 3075static void ath11k_bss_assoc(struct ieee80211_hw *hw,3076 struct ieee80211_vif *vif,3077 struct ieee80211_bss_conf *bss_conf)3078{3079 struct ath11k *ar = hw->priv;3080 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);3081 struct peer_assoc_params peer_arg;3082 struct ieee80211_sta *ap_sta;3083 struct ath11k_peer *peer;3084 bool is_auth = false;3085 struct ieee80211_sta_he_cap he_cap;3086 int ret;3087 3088 lockdep_assert_held(&ar->conf_mutex);3089 3090 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %i assoc bssid %pM aid %d\n",3091 arvif->vdev_id, arvif->bssid, arvif->aid);3092 3093 rcu_read_lock();3094 3095 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);3096 if (!ap_sta) {3097 ath11k_warn(ar->ab, "failed to find station entry for bss %pM vdev %i\n",3098 bss_conf->bssid, arvif->vdev_id);3099 rcu_read_unlock();3100 return;3101 }3102 3103 /* he_cap here is updated at assoc success for sta mode only */3104 he_cap = ap_sta->deflink.he_cap;3105 3106 ath11k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg, false);3107 3108 rcu_read_unlock();3109 3110 if (!ath11k_mac_vif_recalc_sta_he_txbf(ar, vif, &he_cap)) {3111 ath11k_warn(ar->ab, "failed to recalc he txbf for vdev %i on bss %pM\n",3112 arvif->vdev_id, bss_conf->bssid);3113 return;3114 }3115 3116 peer_arg.is_assoc = true;3117 3118 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);3119 if (ret) {3120 ath11k_warn(ar->ab, "failed to run peer assoc for %pM vdev %i: %d\n",3121 bss_conf->bssid, arvif->vdev_id, ret);3122 return;3123 }3124 3125 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {3126 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",3127 bss_conf->bssid, arvif->vdev_id);3128 return;3129 }3130 3131 ret = ath11k_setup_peer_smps(ar, arvif, bss_conf->bssid,3132 &ap_sta->deflink.ht_cap,3133 le16_to_cpu(ap_sta->deflink.he_6ghz_capa.capa));3134 if (ret) {3135 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",3136 arvif->vdev_id, ret);3137 return;3138 }3139 3140 WARN_ON(arvif->is_up);3141 3142 arvif->aid = vif->cfg.aid;3143 ether_addr_copy(arvif->bssid, bss_conf->bssid);3144 3145 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid,3146 NULL, 0, 0);3147 if (ret) {3148 ath11k_warn(ar->ab, "failed to set vdev %d up: %d\n",3149 arvif->vdev_id, ret);3150 return;3151 }3152 3153 arvif->is_up = true;3154 arvif->rekey_data.enable_offload = false;3155 3156 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3157 "vdev %d up (associated) bssid %pM aid %d\n",3158 arvif->vdev_id, bss_conf->bssid, vif->cfg.aid);3159 3160 spin_lock_bh(&ar->ab->base_lock);3161 3162 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, arvif->bssid);3163 if (peer && peer->is_authorized)3164 is_auth = true;3165 3166 spin_unlock_bh(&ar->ab->base_lock);3167 3168 if (is_auth) {3169 ret = ath11k_wmi_set_peer_param(ar, arvif->bssid,3170 arvif->vdev_id,3171 WMI_PEER_AUTHORIZE,3172 1);3173 if (ret)3174 ath11k_warn(ar->ab, "Unable to authorize BSS peer: %d\n", ret);3175 }3176 3177 ret = ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id,3178 &bss_conf->he_obss_pd);3179 if (ret)3180 ath11k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n",3181 arvif->vdev_id, ret);3182 3183 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3184 WMI_VDEV_PARAM_DTIM_POLICY,3185 WMI_DTIM_POLICY_STICK);3186 if (ret)3187 ath11k_warn(ar->ab, "failed to set vdev %d dtim policy: %d\n",3188 arvif->vdev_id, ret);3189 3190 ath11k_mac_11d_scan_stop_all(ar->ab);3191}3192 3193static void ath11k_bss_disassoc(struct ieee80211_hw *hw,3194 struct ieee80211_vif *vif)3195{3196 struct ath11k *ar = hw->priv;3197 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);3198 int ret;3199 3200 lockdep_assert_held(&ar->conf_mutex);3201 3202 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %i disassoc bssid %pM\n",3203 arvif->vdev_id, arvif->bssid);3204 3205 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id);3206 if (ret)3207 ath11k_warn(ar->ab, "failed to down vdev %i: %d\n",3208 arvif->vdev_id, ret);3209 3210 arvif->is_up = false;3211 3212 memset(&arvif->rekey_data, 0, sizeof(arvif->rekey_data));3213 3214 cancel_delayed_work_sync(&arvif->connection_loss_work);3215}3216 3217static u32 ath11k_mac_get_rate_hw_value(int bitrate)3218{3219 u32 preamble;3220 u16 hw_value;3221 int rate;3222 size_t i;3223 3224 if (ath11k_mac_bitrate_is_cck(bitrate))3225 preamble = WMI_RATE_PREAMBLE_CCK;3226 else3227 preamble = WMI_RATE_PREAMBLE_OFDM;3228 3229 for (i = 0; i < ARRAY_SIZE(ath11k_legacy_rates); i++) {3230 if (ath11k_legacy_rates[i].bitrate != bitrate)3231 continue;3232 3233 hw_value = ath11k_legacy_rates[i].hw_value;3234 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble);3235 3236 return rate;3237 }3238 3239 return -EINVAL;3240}3241 3242static void ath11k_recalculate_mgmt_rate(struct ath11k *ar,3243 struct ieee80211_vif *vif,3244 struct cfg80211_chan_def *def)3245{3246 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);3247 const struct ieee80211_supported_band *sband;3248 u8 basic_rate_idx;3249 int hw_rate_code;3250 u32 vdev_param;3251 u16 bitrate;3252 int ret;3253 3254 lockdep_assert_held(&ar->conf_mutex);3255 3256 sband = ar->hw->wiphy->bands[def->chan->band];3257 basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;3258 bitrate = sband->bitrates[basic_rate_idx].bitrate;3259 3260 hw_rate_code = ath11k_mac_get_rate_hw_value(bitrate);3261 if (hw_rate_code < 0) {3262 ath11k_warn(ar->ab, "bitrate not supported %d\n", bitrate);3263 return;3264 }3265 3266 vdev_param = WMI_VDEV_PARAM_MGMT_RATE;3267 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,3268 hw_rate_code);3269 if (ret)3270 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret);3271 3272 /* For WCN6855, firmware will clear this param when vdev starts, hence3273 * cache it here so that we can reconfigure it once vdev starts.3274 */3275 ar->hw_rate_code = hw_rate_code;3276 3277 vdev_param = WMI_VDEV_PARAM_BEACON_RATE;3278 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,3279 hw_rate_code);3280 if (ret)3281 ath11k_warn(ar->ab, "failed to set beacon tx rate %d\n", ret);3282}3283 3284static int ath11k_mac_fils_discovery(struct ath11k_vif *arvif,3285 struct ieee80211_bss_conf *info)3286{3287 struct ath11k *ar = arvif->ar;3288 struct sk_buff *tmpl;3289 int ret;3290 u32 interval;3291 bool unsol_bcast_probe_resp_enabled = false;3292 3293 if (info->fils_discovery.max_interval) {3294 interval = info->fils_discovery.max_interval;3295 3296 tmpl = ieee80211_get_fils_discovery_tmpl(ar->hw, arvif->vif);3297 if (tmpl)3298 ret = ath11k_wmi_fils_discovery_tmpl(ar, arvif->vdev_id,3299 tmpl);3300 } else if (info->unsol_bcast_probe_resp_interval) {3301 unsol_bcast_probe_resp_enabled = 1;3302 interval = info->unsol_bcast_probe_resp_interval;3303 3304 tmpl = ieee80211_get_unsol_bcast_probe_resp_tmpl(ar->hw,3305 arvif->vif);3306 if (tmpl)3307 ret = ath11k_wmi_probe_resp_tmpl(ar, arvif->vdev_id,3308 tmpl);3309 } else { /* Disable */3310 return ath11k_wmi_fils_discovery(ar, arvif->vdev_id, 0, false);3311 }3312 3313 if (!tmpl) {3314 ath11k_warn(ar->ab,3315 "mac vdev %i failed to retrieve %s template\n",3316 arvif->vdev_id, (unsol_bcast_probe_resp_enabled ?3317 "unsolicited broadcast probe response" :3318 "FILS discovery"));3319 return -EPERM;3320 }3321 kfree_skb(tmpl);3322 3323 if (!ret)3324 ret = ath11k_wmi_fils_discovery(ar, arvif->vdev_id, interval,3325 unsol_bcast_probe_resp_enabled);3326 3327 return ret;3328}3329 3330static int ath11k_mac_config_obss_pd(struct ath11k *ar,3331 struct ieee80211_he_obss_pd *he_obss_pd)3332{3333 u32 bitmap[2], param_id, param_val, pdev_id;3334 int ret;3335 s8 non_srg_th = 0, srg_th = 0;3336 3337 pdev_id = ar->pdev->pdev_id;3338 3339 /* Set and enable SRG/non-SRG OBSS PD Threshold */3340 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_THRESHOLD;3341 if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) {3342 ret = ath11k_wmi_pdev_set_param(ar, param_id, 0, pdev_id);3343 if (ret)3344 ath11k_warn(ar->ab,3345 "failed to set obss_pd_threshold for pdev: %u\n",3346 pdev_id);3347 return ret;3348 }3349 3350 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3351 "obss pd sr_ctrl %x non_srg_thres %u srg_max %u\n",3352 he_obss_pd->sr_ctrl, he_obss_pd->non_srg_max_offset,3353 he_obss_pd->max_offset);3354 3355 param_val = 0;3356 3357 if (he_obss_pd->sr_ctrl &3358 IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED) {3359 non_srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD;3360 } else {3361 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)3362 non_srg_th = (ATH11K_OBSS_PD_MAX_THRESHOLD +3363 he_obss_pd->non_srg_max_offset);3364 else3365 non_srg_th = ATH11K_OBSS_PD_NON_SRG_MAX_THRESHOLD;3366 3367 param_val |= ATH11K_OBSS_PD_NON_SRG_EN;3368 }3369 3370 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {3371 srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD + he_obss_pd->max_offset;3372 param_val |= ATH11K_OBSS_PD_SRG_EN;3373 }3374 3375 if (test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,3376 ar->ab->wmi_ab.svc_map)) {3377 param_val |= ATH11K_OBSS_PD_THRESHOLD_IN_DBM;3378 param_val |= FIELD_PREP(GENMASK(15, 8), srg_th);3379 } else {3380 non_srg_th -= ATH11K_DEFAULT_NOISE_FLOOR;3381 /* SRG not supported and threshold in dB */3382 param_val &= ~(ATH11K_OBSS_PD_SRG_EN |3383 ATH11K_OBSS_PD_THRESHOLD_IN_DBM);3384 }3385 3386 param_val |= (non_srg_th & GENMASK(7, 0));3387 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);3388 if (ret) {3389 ath11k_warn(ar->ab,3390 "failed to set obss_pd_threshold for pdev: %u\n",3391 pdev_id);3392 return ret;3393 }3394 3395 /* Enable OBSS PD for all access category */3396 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_PER_AC;3397 param_val = 0xf;3398 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);3399 if (ret) {3400 ath11k_warn(ar->ab,3401 "failed to set obss_pd_per_ac for pdev: %u\n",3402 pdev_id);3403 return ret;3404 }3405 3406 /* Set SR Prohibit */3407 param_id = WMI_PDEV_PARAM_ENABLE_SR_PROHIBIT;3408 param_val = !!(he_obss_pd->sr_ctrl &3409 IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED);3410 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);3411 if (ret) {3412 ath11k_warn(ar->ab, "failed to set sr_prohibit for pdev: %u\n",3413 pdev_id);3414 return ret;3415 }3416 3417 if (!test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,3418 ar->ab->wmi_ab.svc_map))3419 return 0;3420 3421 /* Set SRG BSS Color Bitmap */3422 memcpy(bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap));3423 ret = ath11k_wmi_pdev_set_srg_bss_color_bitmap(ar, bitmap);3424 if (ret) {3425 ath11k_warn(ar->ab,3426 "failed to set bss_color_bitmap for pdev: %u\n",3427 pdev_id);3428 return ret;3429 }3430 3431 /* Set SRG Partial BSSID Bitmap */3432 memcpy(bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap));3433 ret = ath11k_wmi_pdev_set_srg_patial_bssid_bitmap(ar, bitmap);3434 if (ret) {3435 ath11k_warn(ar->ab,3436 "failed to set partial_bssid_bitmap for pdev: %u\n",3437 pdev_id);3438 return ret;3439 }3440 3441 memset(bitmap, 0xff, sizeof(bitmap));3442 3443 /* Enable all BSS Colors for SRG */3444 ret = ath11k_wmi_pdev_srg_obss_color_enable_bitmap(ar, bitmap);3445 if (ret) {3446 ath11k_warn(ar->ab,3447 "failed to set srg_color_en_bitmap pdev: %u\n",3448 pdev_id);3449 return ret;3450 }3451 3452 /* Enable all partial BSSID mask for SRG */3453 ret = ath11k_wmi_pdev_srg_obss_bssid_enable_bitmap(ar, bitmap);3454 if (ret) {3455 ath11k_warn(ar->ab,3456 "failed to set srg_bssid_en_bitmap pdev: %u\n",3457 pdev_id);3458 return ret;3459 }3460 3461 /* Enable all BSS Colors for non-SRG */3462 ret = ath11k_wmi_pdev_non_srg_obss_color_enable_bitmap(ar, bitmap);3463 if (ret) {3464 ath11k_warn(ar->ab,3465 "failed to set non_srg_color_en_bitmap pdev: %u\n",3466 pdev_id);3467 return ret;3468 }3469 3470 /* Enable all partial BSSID mask for non-SRG */3471 ret = ath11k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(ar, bitmap);3472 if (ret) {3473 ath11k_warn(ar->ab,3474 "failed to set non_srg_bssid_en_bitmap pdev: %u\n",3475 pdev_id);3476 return ret;3477 }3478 3479 return 0;3480}3481 3482static bool ath11k_mac_supports_station_tpc(struct ath11k *ar,3483 struct ath11k_vif *arvif,3484 const struct cfg80211_chan_def *chandef)3485{3486 return ath11k_wmi_supports_6ghz_cc_ext(ar) &&3487 test_bit(WMI_TLV_SERVICE_EXT_TPC_REG_SUPPORT, ar->ab->wmi_ab.svc_map) &&3488 arvif->vdev_type == WMI_VDEV_TYPE_STA &&3489 arvif->vdev_subtype == WMI_VDEV_SUBTYPE_NONE &&3490 chandef->chan &&3491 chandef->chan->band == NL80211_BAND_6GHZ;3492}3493 3494static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,3495 struct ieee80211_vif *vif,3496 struct ieee80211_bss_conf *info,3497 u64 changed)3498{3499 struct ath11k *ar = hw->priv;3500 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);3501 struct cfg80211_chan_def def;3502 u32 param_id, param_value;3503 enum nl80211_band band;3504 u32 vdev_param;3505 int mcast_rate;3506 u32 preamble;3507 u16 hw_value;3508 u16 bitrate;3509 int ret = 0;3510 u8 rateidx;3511 u32 rate, param;3512 u32 ipv4_cnt;3513 3514 mutex_lock(&ar->conf_mutex);3515 3516 if (changed & BSS_CHANGED_BEACON_INT) {3517 arvif->beacon_interval = info->beacon_int;3518 3519 param_id = WMI_VDEV_PARAM_BEACON_INTERVAL;3520 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3521 param_id,3522 arvif->beacon_interval);3523 if (ret)3524 ath11k_warn(ar->ab, "Failed to set beacon interval for VDEV: %d\n",3525 arvif->vdev_id);3526 else3527 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3528 "Beacon interval: %d set for VDEV: %d\n",3529 arvif->beacon_interval, arvif->vdev_id);3530 }3531 3532 if (changed & BSS_CHANGED_BEACON) {3533 param_id = WMI_PDEV_PARAM_BEACON_TX_MODE;3534 param_value = WMI_BEACON_STAGGERED_MODE;3535 ret = ath11k_wmi_pdev_set_param(ar, param_id,3536 param_value, ar->pdev->pdev_id);3537 if (ret)3538 ath11k_warn(ar->ab, "Failed to set beacon mode for VDEV: %d\n",3539 arvif->vdev_id);3540 else3541 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3542 "Set staggered beacon mode for VDEV: %d\n",3543 arvif->vdev_id);3544 3545 if (!arvif->do_not_send_tmpl || !arvif->bcca_zero_sent) {3546 ret = ath11k_mac_setup_bcn_tmpl(arvif);3547 if (ret)3548 ath11k_warn(ar->ab, "failed to update bcn template: %d\n",3549 ret);3550 }3551 3552 if (arvif->bcca_zero_sent)3553 arvif->do_not_send_tmpl = true;3554 else3555 arvif->do_not_send_tmpl = false;3556 3557 if (vif->bss_conf.he_support) {3558 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3559 WMI_VDEV_PARAM_BA_MODE,3560 WMI_BA_MODE_BUFFER_SIZE_256);3561 if (ret)3562 ath11k_warn(ar->ab,3563 "failed to set BA BUFFER SIZE 256 for vdev: %d\n",3564 arvif->vdev_id);3565 else3566 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3567 "Set BA BUFFER SIZE 256 for VDEV: %d\n",3568 arvif->vdev_id);3569 }3570 }3571 3572 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {3573 arvif->dtim_period = info->dtim_period;3574 3575 param_id = WMI_VDEV_PARAM_DTIM_PERIOD;3576 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3577 param_id,3578 arvif->dtim_period);3579 3580 if (ret)3581 ath11k_warn(ar->ab, "Failed to set dtim period for VDEV %d: %i\n",3582 arvif->vdev_id, ret);3583 else3584 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3585 "DTIM period: %d set for VDEV: %d\n",3586 arvif->dtim_period, arvif->vdev_id);3587 }3588 3589 if (changed & BSS_CHANGED_SSID &&3590 vif->type == NL80211_IFTYPE_AP) {3591 arvif->u.ap.ssid_len = vif->cfg.ssid_len;3592 if (vif->cfg.ssid_len)3593 memcpy(arvif->u.ap.ssid, vif->cfg.ssid,3594 vif->cfg.ssid_len);3595 arvif->u.ap.hidden_ssid = info->hidden_ssid;3596 }3597 3598 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))3599 ether_addr_copy(arvif->bssid, info->bssid);3600 3601 if (changed & BSS_CHANGED_BEACON_ENABLED) {3602 if (info->enable_beacon)3603 ath11k_mac_set_he_txbf_conf(arvif);3604 ath11k_control_beaconing(arvif, info);3605 3606 if (arvif->is_up && vif->bss_conf.he_support &&3607 vif->bss_conf.he_oper.params) {3608 param_id = WMI_VDEV_PARAM_HEOPS_0_31;3609 param_value = vif->bss_conf.he_oper.params;3610 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3611 param_id, param_value);3612 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3613 "he oper param: %x set for VDEV: %d\n",3614 param_value, arvif->vdev_id);3615 3616 if (ret)3617 ath11k_warn(ar->ab, "Failed to set he oper params %x for VDEV %d: %i\n",3618 param_value, arvif->vdev_id, ret);3619 }3620 }3621 3622 if (changed & BSS_CHANGED_ERP_CTS_PROT) {3623 u32 cts_prot;3624 3625 cts_prot = !!(info->use_cts_prot);3626 param_id = WMI_VDEV_PARAM_PROTECTION_MODE;3627 3628 if (arvif->is_started) {3629 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3630 param_id, cts_prot);3631 if (ret)3632 ath11k_warn(ar->ab, "Failed to set CTS prot for VDEV: %d\n",3633 arvif->vdev_id);3634 else3635 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set CTS prot: %d for VDEV: %d\n",3636 cts_prot, arvif->vdev_id);3637 } else {3638 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "defer protection mode setup, vdev is not ready yet\n");3639 }3640 }3641 3642 if (changed & BSS_CHANGED_ERP_SLOT) {3643 u32 slottime;3644 3645 if (info->use_short_slot)3646 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */3647 3648 else3649 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */3650 3651 param_id = WMI_VDEV_PARAM_SLOT_TIME;3652 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3653 param_id, slottime);3654 if (ret)3655 ath11k_warn(ar->ab, "Failed to set erp slot for VDEV: %d\n",3656 arvif->vdev_id);3657 else3658 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3659 "Set slottime: %d for VDEV: %d\n",3660 slottime, arvif->vdev_id);3661 }3662 3663 if (changed & BSS_CHANGED_ERP_PREAMBLE) {3664 u32 preamble;3665 3666 if (info->use_short_preamble)3667 preamble = WMI_VDEV_PREAMBLE_SHORT;3668 else3669 preamble = WMI_VDEV_PREAMBLE_LONG;3670 3671 param_id = WMI_VDEV_PARAM_PREAMBLE;3672 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3673 param_id, preamble);3674 if (ret)3675 ath11k_warn(ar->ab, "Failed to set preamble for VDEV: %d\n",3676 arvif->vdev_id);3677 else3678 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3679 "Set preamble: %d for VDEV: %d\n",3680 preamble, arvif->vdev_id);3681 }3682 3683 if (changed & BSS_CHANGED_ASSOC) {3684 if (vif->cfg.assoc)3685 ath11k_bss_assoc(hw, vif, info);3686 else3687 ath11k_bss_disassoc(hw, vif);3688 }3689 3690 if (changed & BSS_CHANGED_TXPOWER) {3691 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev_id %i txpower %d\n",3692 arvif->vdev_id, info->txpower);3693 arvif->txpower = info->txpower;3694 ath11k_mac_txpower_recalc(ar);3695 }3696 3697 if (changed & BSS_CHANGED_PS &&3698 ar->ab->hw_params.supports_sta_ps) {3699 arvif->ps = vif->cfg.ps;3700 3701 ret = ath11k_mac_config_ps(ar);3702 if (ret)3703 ath11k_warn(ar->ab, "failed to setup ps on vdev %i: %d\n",3704 arvif->vdev_id, ret);3705 }3706 3707 if (changed & BSS_CHANGED_MCAST_RATE &&3708 !ath11k_mac_vif_chan(arvif->vif, &def)) {3709 band = def.chan->band;3710 mcast_rate = vif->bss_conf.mcast_rate[band];3711 3712 if (mcast_rate > 0)3713 rateidx = mcast_rate - 1;3714 else3715 rateidx = ffs(vif->bss_conf.basic_rates) - 1;3716 3717 if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP)3718 rateidx += ATH11K_MAC_FIRST_OFDM_RATE_IDX;3719 3720 bitrate = ath11k_legacy_rates[rateidx].bitrate;3721 hw_value = ath11k_legacy_rates[rateidx].hw_value;3722 3723 if (ath11k_mac_bitrate_is_cck(bitrate))3724 preamble = WMI_RATE_PREAMBLE_CCK;3725 else3726 preamble = WMI_RATE_PREAMBLE_OFDM;3727 3728 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble);3729 3730 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3731 "vdev %d mcast_rate %x\n",3732 arvif->vdev_id, rate);3733 3734 vdev_param = WMI_VDEV_PARAM_MCAST_DATA_RATE;3735 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3736 vdev_param, rate);3737 if (ret)3738 ath11k_warn(ar->ab,3739 "failed to set mcast rate on vdev %i: %d\n",3740 arvif->vdev_id, ret);3741 3742 vdev_param = WMI_VDEV_PARAM_BCAST_DATA_RATE;3743 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3744 vdev_param, rate);3745 if (ret)3746 ath11k_warn(ar->ab,3747 "failed to set bcast rate on vdev %i: %d\n",3748 arvif->vdev_id, ret);3749 }3750 3751 if (changed & BSS_CHANGED_BASIC_RATES &&3752 !ath11k_mac_vif_chan(arvif->vif, &def))3753 ath11k_recalculate_mgmt_rate(ar, vif, &def);3754 3755 if (changed & BSS_CHANGED_TWT) {3756 struct wmi_twt_enable_params twt_params = {0};3757 3758 if (info->twt_requester || info->twt_responder) {3759 ath11k_wmi_fill_default_twt_params(&twt_params);3760 ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id,3761 &twt_params);3762 } else {3763 ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id);3764 }3765 }3766 3767 if (changed & BSS_CHANGED_HE_OBSS_PD)3768 ath11k_mac_config_obss_pd(ar, &info->he_obss_pd);3769 3770 if (changed & BSS_CHANGED_HE_BSS_COLOR) {3771 if (vif->type == NL80211_IFTYPE_AP) {3772 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd(3773 ar, arvif->vdev_id, info->he_bss_color.color,3774 ATH11K_BSS_COLOR_COLLISION_DETECTION_AP_PERIOD_MS,3775 info->he_bss_color.enabled);3776 if (ret)3777 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",3778 arvif->vdev_id, ret);3779 3780 param_id = WMI_VDEV_PARAM_BSS_COLOR;3781 if (info->he_bss_color.enabled)3782 param_value = info->he_bss_color.color <<3783 IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET;3784 else3785 param_value = IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED;3786 3787 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,3788 param_id,3789 param_value);3790 if (ret)3791 ath11k_warn(ar->ab,3792 "failed to set bss color param on vdev %i: %d\n",3793 arvif->vdev_id, ret);3794 3795 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,3796 "bss color param 0x%x set on vdev %i\n",3797 param_value, arvif->vdev_id);3798 } else if (vif->type == NL80211_IFTYPE_STATION) {3799 ret = ath11k_wmi_send_bss_color_change_enable_cmd(ar,3800 arvif->vdev_id,3801 1);3802 if (ret)3803 ath11k_warn(ar->ab, "failed to enable bss color change on vdev %i: %d\n",3804 arvif->vdev_id, ret);3805 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd(3806 ar, arvif->vdev_id, 0,3807 ATH11K_BSS_COLOR_COLLISION_DETECTION_STA_PERIOD_MS, 1);3808 if (ret)3809 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",3810 arvif->vdev_id, ret);3811 }3812 }3813 3814 if (changed & BSS_CHANGED_FTM_RESPONDER &&3815 arvif->ftm_responder != info->ftm_responder &&3816 test_bit(WMI_TLV_SERVICE_RTT, ar->ab->wmi_ab.svc_map) &&3817 (vif->type == NL80211_IFTYPE_AP ||3818 vif->type == NL80211_IFTYPE_MESH_POINT)) {3819 arvif->ftm_responder = info->ftm_responder;3820 param = WMI_VDEV_PARAM_ENABLE_DISABLE_RTT_RESPONDER_ROLE;3821 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,3822 arvif->ftm_responder);3823 if (ret)3824 ath11k_warn(ar->ab, "Failed to set ftm responder %i: %d\n",3825 arvif->vdev_id, ret);3826 }3827 3828 if (changed & BSS_CHANGED_FILS_DISCOVERY ||3829 changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP)3830 ath11k_mac_fils_discovery(arvif, info);3831 3832 if (changed & BSS_CHANGED_ARP_FILTER) {3833 ipv4_cnt = min(vif->cfg.arp_addr_cnt, ATH11K_IPV4_MAX_COUNT);3834 memcpy(arvif->arp_ns_offload.ipv4_addr,3835 vif->cfg.arp_addr_list,3836 ipv4_cnt * sizeof(u32));3837 memcpy(arvif->arp_ns_offload.mac_addr, vif->addr, ETH_ALEN);3838 arvif->arp_ns_offload.ipv4_count = ipv4_cnt;3839 3840 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "arp_addr_cnt %d vif->addr %pM, offload_addr %pI4\n",3841 vif->cfg.arp_addr_cnt,3842 vif->addr, arvif->arp_ns_offload.ipv4_addr);3843 }3844 3845 mutex_unlock(&ar->conf_mutex);3846}3847 3848void __ath11k_mac_scan_finish(struct ath11k *ar)3849{3850 lockdep_assert_held(&ar->data_lock);3851 3852 switch (ar->scan.state) {3853 case ATH11K_SCAN_IDLE:3854 break;3855 case ATH11K_SCAN_RUNNING:3856 case ATH11K_SCAN_ABORTING:3857 if (ar->scan.is_roc && ar->scan.roc_notify)3858 ieee80211_remain_on_channel_expired(ar->hw);3859 fallthrough;3860 case ATH11K_SCAN_STARTING:3861 if (!ar->scan.is_roc) {3862 struct cfg80211_scan_info info = {3863 .aborted = ((ar->scan.state ==3864 ATH11K_SCAN_ABORTING) ||3865 (ar->scan.state ==3866 ATH11K_SCAN_STARTING)),3867 };3868 3869 ieee80211_scan_completed(ar->hw, &info);3870 }3871 3872 ar->scan.state = ATH11K_SCAN_IDLE;3873 ar->scan_channel = NULL;3874 ar->scan.roc_freq = 0;3875 cancel_delayed_work(&ar->scan.timeout);3876 complete_all(&ar->scan.completed);3877 break;3878 }3879}3880 3881void ath11k_mac_scan_finish(struct ath11k *ar)3882{3883 spin_lock_bh(&ar->data_lock);3884 __ath11k_mac_scan_finish(ar);3885 spin_unlock_bh(&ar->data_lock);3886}3887 3888static int ath11k_scan_stop(struct ath11k *ar)3889{3890 struct scan_cancel_param arg = {3891 .req_type = WLAN_SCAN_CANCEL_SINGLE,3892 .scan_id = ATH11K_SCAN_ID,3893 };3894 int ret;3895 3896 lockdep_assert_held(&ar->conf_mutex);3897 3898 /* TODO: Fill other STOP Params */3899 arg.pdev_id = ar->pdev->pdev_id;3900 3901 ret = ath11k_wmi_send_scan_stop_cmd(ar, &arg);3902 if (ret) {3903 ath11k_warn(ar->ab, "failed to stop wmi scan: %d\n", ret);3904 goto out;3905 }3906 3907 ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ);3908 if (ret == 0) {3909 ath11k_warn(ar->ab,3910 "failed to receive scan abort comple: timed out\n");3911 ret = -ETIMEDOUT;3912 } else if (ret > 0) {3913 ret = 0;3914 }3915 3916out:3917 /* Scan state should be updated upon scan completion but in case3918 * firmware fails to deliver the event (for whatever reason) it is3919 * desired to clean up scan state anyway. Firmware may have just3920 * dropped the scan completion event delivery due to transport pipe3921 * being overflown with data and/or it can recover on its own before3922 * next scan request is submitted.3923 */3924 spin_lock_bh(&ar->data_lock);3925 if (ar->scan.state != ATH11K_SCAN_IDLE)3926 __ath11k_mac_scan_finish(ar);3927 spin_unlock_bh(&ar->data_lock);3928 3929 return ret;3930}3931 3932static void ath11k_scan_abort(struct ath11k *ar)3933{3934 int ret;3935 3936 lockdep_assert_held(&ar->conf_mutex);3937 3938 spin_lock_bh(&ar->data_lock);3939 3940 switch (ar->scan.state) {3941 case ATH11K_SCAN_IDLE:3942 /* This can happen if timeout worker kicked in and called3943 * abortion while scan completion was being processed.3944 */3945 break;3946 case ATH11K_SCAN_STARTING:3947 case ATH11K_SCAN_ABORTING:3948 ath11k_warn(ar->ab, "refusing scan abortion due to invalid scan state: %d\n",3949 ar->scan.state);3950 break;3951 case ATH11K_SCAN_RUNNING:3952 ar->scan.state = ATH11K_SCAN_ABORTING;3953 spin_unlock_bh(&ar->data_lock);3954 3955 ret = ath11k_scan_stop(ar);3956 if (ret)3957 ath11k_warn(ar->ab, "failed to abort scan: %d\n", ret);3958 3959 spin_lock_bh(&ar->data_lock);3960 break;3961 }3962 3963 spin_unlock_bh(&ar->data_lock);3964}3965 3966static void ath11k_scan_timeout_work(struct work_struct *work)3967{3968 struct ath11k *ar = container_of(work, struct ath11k,3969 scan.timeout.work);3970 3971 mutex_lock(&ar->conf_mutex);3972 ath11k_scan_abort(ar);3973 mutex_unlock(&ar->conf_mutex);3974}3975 3976static int ath11k_start_scan(struct ath11k *ar,3977 struct scan_req_params *arg)3978{3979 int ret;3980 unsigned long timeout = 1 * HZ;3981 3982 lockdep_assert_held(&ar->conf_mutex);3983 3984 if (ath11k_spectral_get_mode(ar) == ATH11K_SPECTRAL_BACKGROUND)3985 ath11k_spectral_reset_buffer(ar);3986 3987 ret = ath11k_wmi_send_scan_start_cmd(ar, arg);3988 if (ret)3989 return ret;3990 3991 if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) {3992 timeout = 5 * HZ;3993 3994 if (ar->supports_6ghz)3995 timeout += 5 * HZ;3996 }3997 3998 ret = wait_for_completion_timeout(&ar->scan.started, timeout);3999 if (ret == 0) {4000 ret = ath11k_scan_stop(ar);4001 if (ret)4002 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret);4003 4004 return -ETIMEDOUT;4005 }4006 4007 /* If we failed to start the scan, return error code at4008 * this point. This is probably due to some issue in the4009 * firmware, but no need to wedge the driver due to that...4010 */4011 spin_lock_bh(&ar->data_lock);4012 if (ar->scan.state == ATH11K_SCAN_IDLE) {4013 spin_unlock_bh(&ar->data_lock);4014 return -EINVAL;4015 }4016 spin_unlock_bh(&ar->data_lock);4017 4018 return 0;4019}4020 4021static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,4022 struct ieee80211_vif *vif,4023 struct ieee80211_scan_request *hw_req)4024{4025 struct ath11k *ar = hw->priv;4026 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);4027 struct cfg80211_scan_request *req = &hw_req->req;4028 struct scan_req_params *arg = NULL;4029 int ret = 0;4030 int i;4031 u32 scan_timeout;4032 4033 /* Firmwares advertising the support of triggering 11D algorithm4034 * on the scan results of a regular scan expects driver to send4035 * WMI_11D_SCAN_START_CMDID before sending WMI_START_SCAN_CMDID.4036 * With this feature, separate 11D scan can be avoided since4037 * regdomain can be determined with the scan results of the4038 * regular scan.4039 */4040 if (ar->state_11d == ATH11K_11D_PREPARING &&4041 test_bit(WMI_TLV_SERVICE_SUPPORT_11D_FOR_HOST_SCAN,4042 ar->ab->wmi_ab.svc_map))4043 ath11k_mac_11d_scan_start(ar, arvif->vdev_id);4044 4045 mutex_lock(&ar->conf_mutex);4046 4047 spin_lock_bh(&ar->data_lock);4048 switch (ar->scan.state) {4049 case ATH11K_SCAN_IDLE:4050 reinit_completion(&ar->scan.started);4051 reinit_completion(&ar->scan.completed);4052 ar->scan.state = ATH11K_SCAN_STARTING;4053 ar->scan.is_roc = false;4054 ar->scan.vdev_id = arvif->vdev_id;4055 ret = 0;4056 break;4057 case ATH11K_SCAN_STARTING:4058 case ATH11K_SCAN_RUNNING:4059 case ATH11K_SCAN_ABORTING:4060 ret = -EBUSY;4061 break;4062 }4063 spin_unlock_bh(&ar->data_lock);4064 4065 if (ret)4066 goto exit;4067 4068 arg = kzalloc(sizeof(*arg), GFP_KERNEL);4069 4070 if (!arg) {4071 ret = -ENOMEM;4072 goto exit;4073 }4074 4075 ath11k_wmi_start_scan_init(ar, arg);4076 arg->vdev_id = arvif->vdev_id;4077 arg->scan_id = ATH11K_SCAN_ID;4078 4079 if (ar->ab->hw_params.single_pdev_only)4080 arg->scan_f_filter_prb_req = 1;4081 4082 if (req->ie_len) {4083 arg->extraie.ptr = kmemdup(req->ie, req->ie_len, GFP_KERNEL);4084 if (!arg->extraie.ptr) {4085 ret = -ENOMEM;4086 goto exit;4087 }4088 arg->extraie.len = req->ie_len;4089 }4090 4091 if (req->n_ssids) {4092 arg->num_ssids = req->n_ssids;4093 for (i = 0; i < arg->num_ssids; i++) {4094 arg->ssid[i].length = req->ssids[i].ssid_len;4095 memcpy(&arg->ssid[i].ssid, req->ssids[i].ssid,4096 req->ssids[i].ssid_len);4097 }4098 } else {4099 arg->scan_f_passive = 1;4100 }4101 4102 if (req->n_channels) {4103 arg->num_chan = req->n_channels;4104 arg->chan_list = kcalloc(arg->num_chan, sizeof(*arg->chan_list),4105 GFP_KERNEL);4106 4107 if (!arg->chan_list) {4108 ret = -ENOMEM;4109 goto exit;4110 }4111 4112 for (i = 0; i < arg->num_chan; i++) {4113 if (test_bit(WMI_TLV_SERVICE_SCAN_CONFIG_PER_CHANNEL,4114 ar->ab->wmi_ab.svc_map)) {4115 arg->chan_list[i] =4116 u32_encode_bits(req->channels[i]->center_freq,4117 WMI_SCAN_CONFIG_PER_CHANNEL_MASK);4118 4119 /* If NL80211_SCAN_FLAG_COLOCATED_6GHZ is set in scan4120 * flags, then scan all PSC channels in 6 GHz band and4121 * those non-PSC channels where RNR IE is found during4122 * the legacy 2.4/5 GHz scan.4123 * If NL80211_SCAN_FLAG_COLOCATED_6GHZ is not set,4124 * then all channels in 6 GHz will be scanned.4125 */4126 if (req->channels[i]->band == NL80211_BAND_6GHZ &&4127 req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ &&4128 !cfg80211_channel_is_psc(req->channels[i]))4129 arg->chan_list[i] |=4130 WMI_SCAN_CH_FLAG_SCAN_ONLY_IF_RNR_FOUND;4131 } else {4132 arg->chan_list[i] = req->channels[i]->center_freq;4133 }4134 }4135 }4136 4137 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {4138 arg->scan_f_add_spoofed_mac_in_probe = 1;4139 ether_addr_copy(arg->mac_addr.addr, req->mac_addr);4140 ether_addr_copy(arg->mac_mask.addr, req->mac_addr_mask);4141 }4142 4143 /* if duration is set, default dwell times will be overwritten */4144 if (req->duration) {4145 arg->dwell_time_active = req->duration;4146 arg->dwell_time_active_2g = req->duration;4147 arg->dwell_time_active_6g = req->duration;4148 arg->dwell_time_passive = req->duration;4149 arg->dwell_time_passive_6g = req->duration;4150 arg->burst_duration = req->duration;4151 4152 scan_timeout = min_t(u32, arg->max_rest_time *4153 (arg->num_chan - 1) + (req->duration +4154 ATH11K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) *4155 arg->num_chan, arg->max_scan_time);4156 } else {4157 scan_timeout = arg->max_scan_time;4158 }4159 4160 /* Add a margin to account for event/command processing */4161 scan_timeout += ATH11K_MAC_SCAN_CMD_EVT_OVERHEAD;4162 4163 ret = ath11k_start_scan(ar, arg);4164 if (ret) {4165 ath11k_warn(ar->ab, "failed to start hw scan: %d\n", ret);4166 spin_lock_bh(&ar->data_lock);4167 ar->scan.state = ATH11K_SCAN_IDLE;4168 spin_unlock_bh(&ar->data_lock);4169 }4170 4171 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,4172 msecs_to_jiffies(scan_timeout));4173 4174exit:4175 if (arg) {4176 kfree(arg->chan_list);4177 kfree(arg->extraie.ptr);4178 kfree(arg);4179 }4180 4181 mutex_unlock(&ar->conf_mutex);4182 4183 if (ar->state_11d == ATH11K_11D_PREPARING)4184 ath11k_mac_11d_scan_start(ar, arvif->vdev_id);4185 4186 return ret;4187}4188 4189static void ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw *hw,4190 struct ieee80211_vif *vif)4191{4192 struct ath11k *ar = hw->priv;4193 4194 mutex_lock(&ar->conf_mutex);4195 ath11k_scan_abort(ar);4196 mutex_unlock(&ar->conf_mutex);4197 4198 cancel_delayed_work_sync(&ar->scan.timeout);4199}4200 4201static int ath11k_install_key(struct ath11k_vif *arvif,4202 struct ieee80211_key_conf *key,4203 enum set_key_cmd cmd,4204 const u8 *macaddr, u32 flags)4205{4206 int ret;4207 struct ath11k *ar = arvif->ar;4208 struct wmi_vdev_install_key_arg arg = {4209 .vdev_id = arvif->vdev_id,4210 .key_idx = key->keyidx,4211 .key_len = key->keylen,4212 .key_data = key->key,4213 .key_flags = flags,4214 .macaddr = macaddr,4215 };4216 4217 lockdep_assert_held(&arvif->ar->conf_mutex);4218 4219 reinit_completion(&ar->install_key_done);4220 4221 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))4222 return 0;4223 4224 if (cmd == DISABLE_KEY) {4225 arg.key_cipher = WMI_CIPHER_NONE;4226 arg.key_data = NULL;4227 goto install;4228 }4229 4230 switch (key->cipher) {4231 case WLAN_CIPHER_SUITE_CCMP:4232 case WLAN_CIPHER_SUITE_CCMP_256:4233 arg.key_cipher = WMI_CIPHER_AES_CCM;4234 /* TODO: Re-check if flag is valid */4235 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;4236 break;4237 case WLAN_CIPHER_SUITE_TKIP:4238 arg.key_cipher = WMI_CIPHER_TKIP;4239 arg.key_txmic_len = 8;4240 arg.key_rxmic_len = 8;4241 break;4242 case WLAN_CIPHER_SUITE_GCMP:4243 case WLAN_CIPHER_SUITE_GCMP_256:4244 arg.key_cipher = WMI_CIPHER_AES_GCM;4245 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;4246 break;4247 default:4248 ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher);4249 return -EOPNOTSUPP;4250 }4251 4252 if (test_bit(ATH11K_FLAG_RAW_MODE, &ar->ab->dev_flags))4253 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV |4254 IEEE80211_KEY_FLAG_RESERVE_TAILROOM;4255 4256install:4257 ret = ath11k_wmi_vdev_install_key(arvif->ar, &arg);4258 4259 if (ret)4260 return ret;4261 4262 if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ))4263 return -ETIMEDOUT;4264 4265 return ar->install_key_status ? -EINVAL : 0;4266}4267 4268static int ath11k_clear_peer_keys(struct ath11k_vif *arvif,4269 const u8 *addr)4270{4271 struct ath11k *ar = arvif->ar;4272 struct ath11k_base *ab = ar->ab;4273 struct ath11k_peer *peer;4274 int first_errno = 0;4275 int ret;4276 int i;4277 u32 flags = 0;4278 4279 lockdep_assert_held(&ar->conf_mutex);4280 4281 spin_lock_bh(&ab->base_lock);4282 peer = ath11k_peer_find(ab, arvif->vdev_id, addr);4283 spin_unlock_bh(&ab->base_lock);4284 4285 if (!peer)4286 return -ENOENT;4287 4288 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {4289 if (!peer->keys[i])4290 continue;4291 4292 /* key flags are not required to delete the key */4293 ret = ath11k_install_key(arvif, peer->keys[i],4294 DISABLE_KEY, addr, flags);4295 if (ret < 0 && first_errno == 0)4296 first_errno = ret;4297 4298 if (ret < 0)4299 ath11k_warn(ab, "failed to remove peer key %d: %d\n",4300 i, ret);4301 4302 spin_lock_bh(&ab->base_lock);4303 peer->keys[i] = NULL;4304 spin_unlock_bh(&ab->base_lock);4305 }4306 4307 return first_errno;4308}4309 4310static int ath11k_mac_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,4311 struct ieee80211_vif *vif, struct ieee80211_sta *sta,4312 struct ieee80211_key_conf *key)4313{4314 struct ath11k *ar = hw->priv;4315 struct ath11k_base *ab = ar->ab;4316 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);4317 struct ath11k_peer *peer;4318 struct ath11k_sta *arsta;4319 const u8 *peer_addr;4320 int ret = 0;4321 u32 flags = 0;4322 4323 /* BIP needs to be done in software */4324 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||4325 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||4326 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 ||4327 key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256)4328 return 1;4329 4330 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))4331 return 1;4332 4333 if (key->keyidx > WMI_MAX_KEY_INDEX)4334 return -ENOSPC;4335 4336 mutex_lock(&ar->conf_mutex);4337 4338 if (sta)4339 peer_addr = sta->addr;4340 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)4341 peer_addr = vif->bss_conf.bssid;4342 else4343 peer_addr = vif->addr;4344 4345 key->hw_key_idx = key->keyidx;4346 4347 /* the peer should not disappear in mid-way (unless FW goes awry) since4348 * we already hold conf_mutex. we just make sure its there now.4349 */4350 spin_lock_bh(&ab->base_lock);4351 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr);4352 4353 /* flush the fragments cache during key (re)install to4354 * ensure all frags in the new frag list belong to the same key.4355 */4356 if (peer && sta && cmd == SET_KEY)4357 ath11k_peer_frags_flush(ar, peer);4358 spin_unlock_bh(&ab->base_lock);4359 4360 if (!peer) {4361 if (cmd == SET_KEY) {4362 ath11k_warn(ab, "cannot install key for non-existent peer %pM\n",4363 peer_addr);4364 ret = -EOPNOTSUPP;4365 goto exit;4366 } else {4367 /* if the peer doesn't exist there is no key to disable4368 * anymore4369 */4370 goto exit;4371 }4372 }4373 4374 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)4375 flags |= WMI_KEY_PAIRWISE;4376 else4377 flags |= WMI_KEY_GROUP;4378 4379 ret = ath11k_install_key(arvif, key, cmd, peer_addr, flags);4380 if (ret) {4381 ath11k_warn(ab, "ath11k_install_key failed (%d)\n", ret);4382 goto exit;4383 }4384 4385 ret = ath11k_dp_peer_rx_pn_replay_config(arvif, peer_addr, cmd, key);4386 if (ret) {4387 ath11k_warn(ab, "failed to offload PN replay detection %d\n", ret);4388 goto exit;4389 }4390 4391 spin_lock_bh(&ab->base_lock);4392 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr);4393 if (peer && cmd == SET_KEY) {4394 peer->keys[key->keyidx] = key;4395 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {4396 peer->ucast_keyidx = key->keyidx;4397 peer->sec_type = ath11k_dp_tx_get_encrypt_type(key->cipher);4398 } else {4399 peer->mcast_keyidx = key->keyidx;4400 peer->sec_type_grp = ath11k_dp_tx_get_encrypt_type(key->cipher);4401 }4402 } else if (peer && cmd == DISABLE_KEY) {4403 peer->keys[key->keyidx] = NULL;4404 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)4405 peer->ucast_keyidx = 0;4406 else4407 peer->mcast_keyidx = 0;4408 } else if (!peer)4409 /* impossible unless FW goes crazy */4410 ath11k_warn(ab, "peer %pM disappeared!\n", peer_addr);4411 4412 if (sta) {4413 arsta = ath11k_sta_to_arsta(sta);4414 4415 switch (key->cipher) {4416 case WLAN_CIPHER_SUITE_TKIP:4417 case WLAN_CIPHER_SUITE_CCMP:4418 case WLAN_CIPHER_SUITE_CCMP_256:4419 case WLAN_CIPHER_SUITE_GCMP:4420 case WLAN_CIPHER_SUITE_GCMP_256:4421 if (cmd == SET_KEY)4422 arsta->pn_type = HAL_PN_TYPE_WPA;4423 else4424 arsta->pn_type = HAL_PN_TYPE_NONE;4425 break;4426 default:4427 arsta->pn_type = HAL_PN_TYPE_NONE;4428 break;4429 }4430 }4431 4432 spin_unlock_bh(&ab->base_lock);4433 4434exit:4435 mutex_unlock(&ar->conf_mutex);4436 return ret;4437}4438 4439static int4440ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k *ar,4441 enum nl80211_band band,4442 const struct cfg80211_bitrate_mask *mask)4443{4444 int num_rates = 0;4445 int i;4446 4447 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)4448 num_rates += hweight8(mask->control[band].ht_mcs[i]);4449 4450 return num_rates;4451}4452 4453static int4454ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k *ar,4455 enum nl80211_band band,4456 const struct cfg80211_bitrate_mask *mask)4457{4458 int num_rates = 0;4459 int i;4460 4461 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)4462 num_rates += hweight16(mask->control[band].vht_mcs[i]);4463 4464 return num_rates;4465}4466 4467static int4468ath11k_mac_bitrate_mask_num_he_rates(struct ath11k *ar,4469 enum nl80211_band band,4470 const struct cfg80211_bitrate_mask *mask)4471{4472 int num_rates = 0;4473 int i;4474 4475 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++)4476 num_rates += hweight16(mask->control[band].he_mcs[i]);4477 4478 return num_rates;4479}4480 4481static int4482ath11k_mac_set_peer_vht_fixed_rate(struct ath11k_vif *arvif,4483 struct ieee80211_sta *sta,4484 const struct cfg80211_bitrate_mask *mask,4485 enum nl80211_band band)4486{4487 struct ath11k *ar = arvif->ar;4488 u8 vht_rate, nss;4489 u32 rate_code;4490 int ret, i;4491 4492 lockdep_assert_held(&ar->conf_mutex);4493 4494 nss = 0;4495 4496 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {4497 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {4498 nss = i + 1;4499 vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1;4500 }4501 }4502 4503 if (!nss) {4504 ath11k_warn(ar->ab, "No single VHT Fixed rate found to set for %pM",4505 sta->addr);4506 return -EINVAL;4507 }4508 4509 /* Avoid updating invalid nss as fixed rate*/4510 if (nss > sta->deflink.rx_nss)4511 return -EINVAL;4512 4513 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,4514 "Setting Fixed VHT Rate for peer %pM. Device will not switch to any other selected rates",4515 sta->addr);4516 4517 rate_code = ATH11K_HW_RATE_CODE(vht_rate, nss - 1,4518 WMI_RATE_PREAMBLE_VHT);4519 ret = ath11k_wmi_set_peer_param(ar, sta->addr,4520 arvif->vdev_id,4521 WMI_PEER_PARAM_FIXED_RATE,4522 rate_code);4523 if (ret)4524 ath11k_warn(ar->ab,4525 "failed to update STA %pM Fixed Rate %d: %d\n",4526 sta->addr, rate_code, ret);4527 4528 return ret;4529}4530 4531static int4532ath11k_mac_set_peer_he_fixed_rate(struct ath11k_vif *arvif,4533 struct ieee80211_sta *sta,4534 const struct cfg80211_bitrate_mask *mask,4535 enum nl80211_band band)4536{4537 struct ath11k *ar = arvif->ar;4538 u8 he_rate, nss;4539 u32 rate_code;4540 int ret, i;4541 4542 lockdep_assert_held(&ar->conf_mutex);4543 4544 nss = 0;4545 4546 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) {4547 if (hweight16(mask->control[band].he_mcs[i]) == 1) {4548 nss = i + 1;4549 he_rate = ffs(mask->control[band].he_mcs[i]) - 1;4550 }4551 }4552 4553 if (!nss) {4554 ath11k_warn(ar->ab, "No single he fixed rate found to set for %pM",4555 sta->addr);4556 return -EINVAL;4557 }4558 4559 /* Avoid updating invalid nss as fixed rate */4560 if (nss > sta->deflink.rx_nss)4561 return -EINVAL;4562 4563 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,4564 "setting fixed he rate for peer %pM, device will not switch to any other selected rates",4565 sta->addr);4566 4567 rate_code = ATH11K_HW_RATE_CODE(he_rate, nss - 1,4568 WMI_RATE_PREAMBLE_HE);4569 4570 ret = ath11k_wmi_set_peer_param(ar, sta->addr,4571 arvif->vdev_id,4572 WMI_PEER_PARAM_FIXED_RATE,4573 rate_code);4574 if (ret)4575 ath11k_warn(ar->ab,4576 "failed to update sta %pM fixed rate %d: %d\n",4577 sta->addr, rate_code, ret);4578 4579 return ret;4580}4581 4582static int4583ath11k_mac_set_peer_ht_fixed_rate(struct ath11k_vif *arvif,4584 struct ieee80211_sta *sta,4585 const struct cfg80211_bitrate_mask *mask,4586 enum nl80211_band band)4587{4588 struct ath11k *ar = arvif->ar;4589 u8 ht_rate, nss = 0;4590 u32 rate_code;4591 int ret, i;4592 4593 lockdep_assert_held(&ar->conf_mutex);4594 4595 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {4596 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {4597 nss = i + 1;4598 ht_rate = ffs(mask->control[band].ht_mcs[i]) - 1;4599 }4600 }4601 4602 if (!nss) {4603 ath11k_warn(ar->ab, "No single HT Fixed rate found to set for %pM",4604 sta->addr);4605 return -EINVAL;4606 }4607 4608 /* Avoid updating invalid nss as fixed rate*/4609 if (nss > sta->deflink.rx_nss)4610 return -EINVAL;4611 4612 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,4613 "Setting Fixed HT Rate for peer %pM. Device will not switch to any other selected rates",4614 sta->addr);4615 4616 rate_code = ATH11K_HW_RATE_CODE(ht_rate, nss - 1,4617 WMI_RATE_PREAMBLE_HT);4618 ret = ath11k_wmi_set_peer_param(ar, sta->addr,4619 arvif->vdev_id,4620 WMI_PEER_PARAM_FIXED_RATE,4621 rate_code);4622 if (ret)4623 ath11k_warn(ar->ab,4624 "failed to update STA %pM HT Fixed Rate %d: %d\n",4625 sta->addr, rate_code, ret);4626 4627 return ret;4628}4629 4630static int ath11k_station_assoc(struct ath11k *ar,4631 struct ieee80211_vif *vif,4632 struct ieee80211_sta *sta,4633 bool reassoc)4634{4635 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);4636 struct peer_assoc_params peer_arg;4637 int ret = 0;4638 struct cfg80211_chan_def def;4639 enum nl80211_band band;4640 struct cfg80211_bitrate_mask *mask;4641 u8 num_ht_rates, num_vht_rates, num_he_rates;4642 4643 lockdep_assert_held(&ar->conf_mutex);4644 4645 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))4646 return -EPERM;4647 4648 band = def.chan->band;4649 mask = &arvif->bitrate_mask;4650 4651 ath11k_peer_assoc_prepare(ar, vif, sta, &peer_arg, reassoc);4652 4653 peer_arg.is_assoc = true;4654 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);4655 if (ret) {4656 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",4657 sta->addr, arvif->vdev_id, ret);4658 return ret;4659 }4660 4661 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {4662 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",4663 sta->addr, arvif->vdev_id);4664 return -ETIMEDOUT;4665 }4666 4667 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask);4668 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask);4669 num_ht_rates = ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask);4670 4671 /* If single VHT/HE rate is configured (by set_bitrate_mask()),4672 * peer_assoc will disable VHT/HE. This is now enabled by a peer specific4673 * fixed param.4674 * Note that all other rates and NSS will be disabled for this peer.4675 */4676 if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) {4677 ret = ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,4678 band);4679 if (ret)4680 return ret;4681 } else if (sta->deflink.he_cap.has_he && num_he_rates == 1) {4682 ret = ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask,4683 band);4684 if (ret)4685 return ret;4686 } else if (sta->deflink.ht_cap.ht_supported && num_ht_rates == 1) {4687 ret = ath11k_mac_set_peer_ht_fixed_rate(arvif, sta, mask,4688 band);4689 if (ret)4690 return ret;4691 }4692 4693 /* Re-assoc is run only to update supported rates for given station. It4694 * doesn't make much sense to reconfigure the peer completely.4695 */4696 if (reassoc)4697 return 0;4698 4699 ret = ath11k_setup_peer_smps(ar, arvif, sta->addr,4700 &sta->deflink.ht_cap,4701 le16_to_cpu(sta->deflink.he_6ghz_capa.capa));4702 if (ret) {4703 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",4704 arvif->vdev_id, ret);4705 return ret;4706 }4707 4708 if (!sta->wme) {4709 arvif->num_legacy_stations++;4710 ret = ath11k_recalc_rtscts_prot(arvif);4711 if (ret)4712 return ret;4713 }4714 4715 if (sta->wme && sta->uapsd_queues) {4716 ret = ath11k_peer_assoc_qos_ap(ar, arvif, sta);4717 if (ret) {4718 ath11k_warn(ar->ab, "failed to set qos params for STA %pM for vdev %i: %d\n",4719 sta->addr, arvif->vdev_id, ret);4720 return ret;4721 }4722 }4723 4724 return 0;4725}4726 4727static int ath11k_station_disassoc(struct ath11k *ar,4728 struct ieee80211_vif *vif,4729 struct ieee80211_sta *sta)4730{4731 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);4732 int ret = 0;4733 4734 lockdep_assert_held(&ar->conf_mutex);4735 4736 if (!sta->wme) {4737 arvif->num_legacy_stations--;4738 ret = ath11k_recalc_rtscts_prot(arvif);4739 if (ret)4740 return ret;4741 }4742 4743 ret = ath11k_clear_peer_keys(arvif, sta->addr);4744 if (ret) {4745 ath11k_warn(ar->ab, "failed to clear all peer keys for vdev %i: %d\n",4746 arvif->vdev_id, ret);4747 return ret;4748 }4749 return 0;4750}4751 4752static u32 ath11k_mac_max_nss(const u8 *ht_mcs_mask, const u16 *vht_mcs_mask,4753 const u16 *he_mcs_mask)4754{4755 return max3(ath11k_mac_max_ht_nss(ht_mcs_mask),4756 ath11k_mac_max_vht_nss(vht_mcs_mask),4757 ath11k_mac_max_he_nss(he_mcs_mask));4758}4759 4760static void ath11k_sta_rc_update_wk(struct work_struct *wk)4761{4762 struct ath11k *ar;4763 struct ath11k_vif *arvif;4764 struct ath11k_sta *arsta;4765 struct ieee80211_sta *sta;4766 struct cfg80211_chan_def def;4767 enum nl80211_band band;4768 const u8 *ht_mcs_mask;4769 const u16 *vht_mcs_mask;4770 const u16 *he_mcs_mask;4771 u32 changed, bw, nss, smps, bw_prev;4772 int err, num_ht_rates, num_vht_rates, num_he_rates;4773 const struct cfg80211_bitrate_mask *mask;4774 struct peer_assoc_params peer_arg;4775 enum wmi_phy_mode peer_phymode;4776 4777 arsta = container_of(wk, struct ath11k_sta, update_wk);4778 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);4779 arvif = arsta->arvif;4780 ar = arvif->ar;4781 4782 if (WARN_ON(ath11k_mac_vif_chan(arvif->vif, &def)))4783 return;4784 4785 band = def.chan->band;4786 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;4787 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;4788 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs;4789 4790 spin_lock_bh(&ar->data_lock);4791 4792 changed = arsta->changed;4793 arsta->changed = 0;4794 4795 bw = arsta->bw;4796 bw_prev = arsta->bw_prev;4797 nss = arsta->nss;4798 smps = arsta->smps;4799 4800 spin_unlock_bh(&ar->data_lock);4801 4802 mutex_lock(&ar->conf_mutex);4803 4804 nss = max_t(u32, 1, nss);4805 nss = min(nss, ath11k_mac_max_nss(ht_mcs_mask, vht_mcs_mask, he_mcs_mask));4806 4807 if (changed & IEEE80211_RC_BW_CHANGED) {4808 /* Get the peer phymode */4809 ath11k_peer_assoc_h_phymode(ar, arvif->vif, sta, &peer_arg);4810 peer_phymode = peer_arg.peer_phymode;4811 4812 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM peer bw %d phymode %d\n",4813 sta->addr, bw, peer_phymode);4814 4815 if (bw > bw_prev) {4816 /* BW is upgraded. In this case we send WMI_PEER_PHYMODE4817 * followed by WMI_PEER_CHWIDTH4818 */4819 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "BW upgrade for sta %pM new BW %d, old BW %d\n",4820 sta->addr, bw, bw_prev);4821 4822 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,4823 WMI_PEER_PHYMODE, peer_phymode);4824 4825 if (err) {4826 ath11k_warn(ar->ab, "failed to update STA %pM peer phymode %d: %d\n",4827 sta->addr, peer_phymode, err);4828 goto err_rc_bw_changed;4829 }4830 4831 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,4832 WMI_PEER_CHWIDTH, bw);4833 4834 if (err)4835 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n",4836 sta->addr, bw, err);4837 } else {4838 /* BW is downgraded. In this case we send WMI_PEER_CHWIDTH4839 * followed by WMI_PEER_PHYMODE4840 */4841 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "BW downgrade for sta %pM new BW %d,old BW %d\n",4842 sta->addr, bw, bw_prev);4843 4844 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,4845 WMI_PEER_CHWIDTH, bw);4846 4847 if (err) {4848 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n",4849 sta->addr, bw, err);4850 goto err_rc_bw_changed;4851 }4852 4853 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,4854 WMI_PEER_PHYMODE, peer_phymode);4855 4856 if (err)4857 ath11k_warn(ar->ab, "failed to update STA %pM peer phymode %d: %d\n",4858 sta->addr, peer_phymode, err);4859 }4860 }4861 4862 if (changed & IEEE80211_RC_NSS_CHANGED) {4863 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM nss %d\n",4864 sta->addr, nss);4865 4866 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,4867 WMI_PEER_NSS, nss);4868 if (err)4869 ath11k_warn(ar->ab, "failed to update STA %pM nss %d: %d\n",4870 sta->addr, nss, err);4871 }4872 4873 if (changed & IEEE80211_RC_SMPS_CHANGED) {4874 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM smps %d\n",4875 sta->addr, smps);4876 4877 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,4878 WMI_PEER_MIMO_PS_STATE, smps);4879 if (err)4880 ath11k_warn(ar->ab, "failed to update STA %pM smps %d: %d\n",4881 sta->addr, smps, err);4882 }4883 4884 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {4885 mask = &arvif->bitrate_mask;4886 num_ht_rates = ath11k_mac_bitrate_mask_num_ht_rates(ar, band,4887 mask);4888 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band,4889 mask);4890 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band,4891 mask);4892 4893 /* Peer_assoc_prepare will reject vht rates in4894 * bitrate_mask if its not available in range format and4895 * sets vht tx_rateset as unsupported. So multiple VHT MCS4896 * setting(eg. MCS 4,5,6) per peer is not supported here.4897 * But, Single rate in VHT mask can be set as per-peer4898 * fixed rate. But even if any HT rates are configured in4899 * the bitrate mask, device will not switch to those rates4900 * when per-peer Fixed rate is set.4901 * TODO: Check RATEMASK_CMDID to support auto rates selection4902 * across HT/VHT and for multiple VHT MCS support.4903 */4904 if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) {4905 ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,4906 band);4907 } else if (sta->deflink.he_cap.has_he && num_he_rates == 1) {4908 ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask,4909 band);4910 } else if (sta->deflink.ht_cap.ht_supported && num_ht_rates == 1) {4911 ath11k_mac_set_peer_ht_fixed_rate(arvif, sta, mask,4912 band);4913 } else {4914 /* If the peer is non-VHT/HE or no fixed VHT/HE rate4915 * is provided in the new bitrate mask we set the4916 * other rates using peer_assoc command. Also clear4917 * the peer fixed rate settings as it has higher proprity4918 * than peer assoc4919 */4920 err = ath11k_wmi_set_peer_param(ar, sta->addr,4921 arvif->vdev_id,4922 WMI_PEER_PARAM_FIXED_RATE,4923 WMI_FIXED_RATE_NONE);4924 if (err)4925 ath11k_warn(ar->ab,4926 "failed to disable peer fixed rate for sta %pM: %d\n",4927 sta->addr, err);4928 4929 ath11k_peer_assoc_prepare(ar, arvif->vif, sta,4930 &peer_arg, true);4931 4932 peer_arg.is_assoc = false;4933 err = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);4934 if (err)4935 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",4936 sta->addr, arvif->vdev_id, err);4937 4938 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ))4939 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",4940 sta->addr, arvif->vdev_id);4941 }4942 }4943 4944err_rc_bw_changed:4945 mutex_unlock(&ar->conf_mutex);4946}4947 4948static void ath11k_sta_set_4addr_wk(struct work_struct *wk)4949{4950 struct ath11k *ar;4951 struct ath11k_vif *arvif;4952 struct ath11k_sta *arsta;4953 struct ieee80211_sta *sta;4954 int ret = 0;4955 4956 arsta = container_of(wk, struct ath11k_sta, set_4addr_wk);4957 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);4958 arvif = arsta->arvif;4959 ar = arvif->ar;4960 4961 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,4962 "setting USE_4ADDR for peer %pM\n", sta->addr);4963 4964 ret = ath11k_wmi_set_peer_param(ar, sta->addr,4965 arvif->vdev_id,4966 WMI_PEER_USE_4ADDR, 1);4967 4968 if (ret)4969 ath11k_warn(ar->ab, "failed to set peer %pM 4addr capability: %d\n",4970 sta->addr, ret);4971}4972 4973static int ath11k_mac_inc_num_stations(struct ath11k_vif *arvif,4974 struct ieee80211_sta *sta)4975{4976 struct ath11k *ar = arvif->ar;4977 4978 lockdep_assert_held(&ar->conf_mutex);4979 4980 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)4981 return 0;4982 4983 if (ar->num_stations >= ar->max_num_stations)4984 return -ENOBUFS;4985 4986 ar->num_stations++;4987 4988 return 0;4989}4990 4991static void ath11k_mac_dec_num_stations(struct ath11k_vif *arvif,4992 struct ieee80211_sta *sta)4993{4994 struct ath11k *ar = arvif->ar;4995 4996 lockdep_assert_held(&ar->conf_mutex);4997 4998 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)4999 return;5000 5001 ar->num_stations--;5002}5003 5004static u32 ath11k_mac_ieee80211_sta_bw_to_wmi(struct ath11k *ar,5005 struct ieee80211_sta *sta)5006{5007 u32 bw = WMI_PEER_CHWIDTH_20MHZ;5008 5009 switch (sta->deflink.bandwidth) {5010 case IEEE80211_STA_RX_BW_20:5011 bw = WMI_PEER_CHWIDTH_20MHZ;5012 break;5013 case IEEE80211_STA_RX_BW_40:5014 bw = WMI_PEER_CHWIDTH_40MHZ;5015 break;5016 case IEEE80211_STA_RX_BW_80:5017 bw = WMI_PEER_CHWIDTH_80MHZ;5018 break;5019 case IEEE80211_STA_RX_BW_160:5020 bw = WMI_PEER_CHWIDTH_160MHZ;5021 break;5022 default:5023 ath11k_warn(ar->ab, "Invalid bandwidth %d for %pM\n",5024 sta->deflink.bandwidth, sta->addr);5025 bw = WMI_PEER_CHWIDTH_20MHZ;5026 break;5027 }5028 5029 return bw;5030}5031 5032static int ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw,5033 struct ieee80211_vif *vif,5034 struct ieee80211_sta *sta)5035{5036 struct ath11k *ar = hw->priv;5037 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);5038 int ret = 0;5039 s16 txpwr;5040 5041 if (sta->deflink.txpwr.type == NL80211_TX_POWER_AUTOMATIC) {5042 txpwr = 0;5043 } else {5044 txpwr = sta->deflink.txpwr.power;5045 if (!txpwr)5046 return -EINVAL;5047 }5048 5049 if (txpwr > ATH11K_TX_POWER_MAX_VAL || txpwr < ATH11K_TX_POWER_MIN_VAL)5050 return -EINVAL;5051 5052 mutex_lock(&ar->conf_mutex);5053 5054 ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,5055 WMI_PEER_USE_FIXED_PWR, txpwr);5056 if (ret) {5057 ath11k_warn(ar->ab, "failed to set tx power for station ret: %d\n",5058 ret);5059 goto out;5060 }5061 5062out:5063 mutex_unlock(&ar->conf_mutex);5064 return ret;5065}5066 5067static void ath11k_mac_op_sta_set_4addr(struct ieee80211_hw *hw,5068 struct ieee80211_vif *vif,5069 struct ieee80211_sta *sta, bool enabled)5070{5071 struct ath11k *ar = hw->priv;5072 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);5073 5074 if (enabled && !arsta->use_4addr_set) {5075 ieee80211_queue_work(ar->hw, &arsta->set_4addr_wk);5076 arsta->use_4addr_set = true;5077 }5078}5079 5080static void ath11k_mac_op_sta_rc_update(struct ieee80211_hw *hw,5081 struct ieee80211_vif *vif,5082 struct ieee80211_sta *sta,5083 u32 changed)5084{5085 struct ath11k *ar = hw->priv;5086 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);5087 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);5088 struct ath11k_peer *peer;5089 u32 bw, smps;5090 5091 spin_lock_bh(&ar->ab->base_lock);5092 5093 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);5094 if (!peer) {5095 spin_unlock_bh(&ar->ab->base_lock);5096 ath11k_warn(ar->ab, "mac sta rc update failed to find peer %pM on vdev %i\n",5097 sta->addr, arvif->vdev_id);5098 return;5099 }5100 5101 spin_unlock_bh(&ar->ab->base_lock);5102 5103 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,5104 "sta rc update for %pM changed %08x bw %d nss %d smps %d\n",5105 sta->addr, changed, sta->deflink.bandwidth,5106 sta->deflink.rx_nss,5107 sta->deflink.smps_mode);5108 5109 spin_lock_bh(&ar->data_lock);5110 5111 if (changed & IEEE80211_RC_BW_CHANGED) {5112 bw = ath11k_mac_ieee80211_sta_bw_to_wmi(ar, sta);5113 arsta->bw_prev = arsta->bw;5114 arsta->bw = bw;5115 }5116 5117 if (changed & IEEE80211_RC_NSS_CHANGED)5118 arsta->nss = sta->deflink.rx_nss;5119 5120 if (changed & IEEE80211_RC_SMPS_CHANGED) {5121 smps = WMI_PEER_SMPS_PS_NONE;5122 5123 switch (sta->deflink.smps_mode) {5124 case IEEE80211_SMPS_AUTOMATIC:5125 case IEEE80211_SMPS_OFF:5126 smps = WMI_PEER_SMPS_PS_NONE;5127 break;5128 case IEEE80211_SMPS_STATIC:5129 smps = WMI_PEER_SMPS_STATIC;5130 break;5131 case IEEE80211_SMPS_DYNAMIC:5132 smps = WMI_PEER_SMPS_DYNAMIC;5133 break;5134 default:5135 ath11k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n",5136 sta->deflink.smps_mode, sta->addr);5137 smps = WMI_PEER_SMPS_PS_NONE;5138 break;5139 }5140 5141 arsta->smps = smps;5142 }5143 5144 arsta->changed |= changed;5145 5146 spin_unlock_bh(&ar->data_lock);5147 5148 ieee80211_queue_work(hw, &arsta->update_wk);5149}5150 5151static int ath11k_conf_tx_uapsd(struct ath11k *ar, struct ieee80211_vif *vif,5152 u16 ac, bool enable)5153{5154 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);5155 u32 value = 0;5156 int ret = 0;5157 5158 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)5159 return 0;5160 5161 switch (ac) {5162 case IEEE80211_AC_VO:5163 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |5164 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;5165 break;5166 case IEEE80211_AC_VI:5167 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |5168 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;5169 break;5170 case IEEE80211_AC_BE:5171 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |5172 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;5173 break;5174 case IEEE80211_AC_BK:5175 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |5176 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;5177 break;5178 }5179 5180 if (enable)5181 arvif->u.sta.uapsd |= value;5182 else5183 arvif->u.sta.uapsd &= ~value;5184 5185 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,5186 WMI_STA_PS_PARAM_UAPSD,5187 arvif->u.sta.uapsd);5188 if (ret) {5189 ath11k_warn(ar->ab, "could not set uapsd params %d\n", ret);5190 goto exit;5191 }5192 5193 if (arvif->u.sta.uapsd)5194 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;5195 else5196 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;5197 5198 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,5199 WMI_STA_PS_PARAM_RX_WAKE_POLICY,5200 value);5201 if (ret)5202 ath11k_warn(ar->ab, "could not set rx wake param %d\n", ret);5203 5204exit:5205 return ret;5206}5207 5208static int ath11k_mac_op_conf_tx(struct ieee80211_hw *hw,5209 struct ieee80211_vif *vif,5210 unsigned int link_id, u16 ac,5211 const struct ieee80211_tx_queue_params *params)5212{5213 struct ath11k *ar = hw->priv;5214 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);5215 struct wmi_wmm_params_arg *p = NULL;5216 int ret;5217 5218 mutex_lock(&ar->conf_mutex);5219 5220 switch (ac) {5221 case IEEE80211_AC_VO:5222 p = &arvif->wmm_params.ac_vo;5223 break;5224 case IEEE80211_AC_VI:5225 p = &arvif->wmm_params.ac_vi;5226 break;5227 case IEEE80211_AC_BE:5228 p = &arvif->wmm_params.ac_be;5229 break;5230 case IEEE80211_AC_BK:5231 p = &arvif->wmm_params.ac_bk;5232 break;5233 }5234 5235 if (WARN_ON(!p)) {5236 ret = -EINVAL;5237 goto exit;5238 }5239 5240 p->cwmin = params->cw_min;5241 p->cwmax = params->cw_max;5242 p->aifs = params->aifs;5243 p->txop = params->txop;5244 5245 ret = ath11k_wmi_send_wmm_update_cmd_tlv(ar, arvif->vdev_id,5246 &arvif->wmm_params);5247 if (ret) {5248 ath11k_warn(ar->ab, "failed to set wmm params: %d\n", ret);5249 goto exit;5250 }5251 5252 ret = ath11k_conf_tx_uapsd(ar, vif, ac, params->uapsd);5253 5254 if (ret)5255 ath11k_warn(ar->ab, "failed to set sta uapsd: %d\n", ret);5256 5257exit:5258 mutex_unlock(&ar->conf_mutex);5259 return ret;5260}5261 5262static struct ieee80211_sta_ht_cap5263ath11k_create_ht_cap(struct ath11k *ar, u32 ar_ht_cap, u32 rate_cap_rx_chainmask)5264{5265 int i;5266 struct ieee80211_sta_ht_cap ht_cap = {0};5267 u32 ar_vht_cap = ar->pdev->cap.vht_cap;5268 5269 if (!(ar_ht_cap & WMI_HT_CAP_ENABLED))5270 return ht_cap;5271 5272 ht_cap.ht_supported = 1;5273 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;5274 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;5275 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;5276 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;5277 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;5278 5279 if (ar_ht_cap & WMI_HT_CAP_HT20_SGI)5280 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;5281 5282 if (ar_ht_cap & WMI_HT_CAP_HT40_SGI)5283 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;5284 5285 if (ar_ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) {5286 u32 smps;5287 5288 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;5289 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;5290 5291 ht_cap.cap |= smps;5292 }5293 5294 if (ar_ht_cap & WMI_HT_CAP_TX_STBC)5295 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;5296 5297 if (ar_ht_cap & WMI_HT_CAP_RX_STBC) {5298 u32 stbc;5299 5300 stbc = ar_ht_cap;5301 stbc &= WMI_HT_CAP_RX_STBC;5302 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;5303 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;5304 stbc &= IEEE80211_HT_CAP_RX_STBC;5305 5306 ht_cap.cap |= stbc;5307 }5308 5309 if (ar_ht_cap & WMI_HT_CAP_RX_LDPC)5310 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;5311 5312 if (ar_ht_cap & WMI_HT_CAP_L_SIG_TXOP_PROT)5313 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;5314 5315 if (ar_vht_cap & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)5316 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;5317 5318 for (i = 0; i < ar->num_rx_chains; i++) {5319 if (rate_cap_rx_chainmask & BIT(i))5320 ht_cap.mcs.rx_mask[i] = 0xFF;5321 }5322 5323 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;5324 5325 return ht_cap;5326}5327 5328static int ath11k_mac_set_txbf_conf(struct ath11k_vif *arvif)5329{5330 u32 value = 0;5331 struct ath11k *ar = arvif->ar;5332 int nsts;5333 int sound_dim;5334 u32 vht_cap = ar->pdev->cap.vht_cap;5335 u32 vdev_param = WMI_VDEV_PARAM_TXBF;5336 5337 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) {5338 nsts = vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;5339 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;5340 if (nsts > (ar->num_rx_chains - 1))5341 nsts = ar->num_rx_chains - 1;5342 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);5343 }5344 5345 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) {5346 sound_dim = vht_cap &5347 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;5348 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;5349 if (sound_dim > (ar->num_tx_chains - 1))5350 sound_dim = ar->num_tx_chains - 1;5351 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);5352 }5353 5354 if (!value)5355 return 0;5356 5357 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) {5358 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;5359 5360 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) &&5361 arvif->vdev_type == WMI_VDEV_TYPE_AP)5362 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;5363 }5364 5365 /* TODO: SUBFEE not validated in HK, disable here until validated? */5366 5367 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) {5368 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;5369 5370 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) &&5371 arvif->vdev_type == WMI_VDEV_TYPE_STA)5372 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;5373 }5374 5375 return ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,5376 vdev_param, value);5377}5378 5379static void ath11k_set_vht_txbf_cap(struct ath11k *ar, u32 *vht_cap)5380{5381 bool subfer, subfee;5382 int sound_dim = 0, nsts = 0;5383 5384 subfer = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE));5385 subfee = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE));5386 5387 if (ar->num_tx_chains < 2) {5388 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);5389 subfer = false;5390 }5391 5392 if (ar->num_rx_chains < 2) {5393 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);5394 subfee = false;5395 }5396 5397 /* If SU Beaformer is not set, then disable MU Beamformer Capability */5398 if (!subfer)5399 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);5400 5401 /* If SU Beaformee is not set, then disable MU Beamformee Capability */5402 if (!subfee)5403 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);5404 5405 sound_dim = (*vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK);5406 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;5407 *vht_cap &= ~IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;5408 5409 nsts = (*vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK);5410 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;5411 *vht_cap &= ~IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;5412 5413 /* Enable Sounding Dimension Field only if SU BF is enabled */5414 if (subfer) {5415 if (sound_dim > (ar->num_tx_chains - 1))5416 sound_dim = ar->num_tx_chains - 1;5417 5418 sound_dim <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;5419 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;5420 *vht_cap |= sound_dim;5421 }5422 5423 /* Enable Beamformee STS Field only if SU BF is enabled */5424 if (subfee) {5425 if (nsts > (ar->num_rx_chains - 1))5426 nsts = ar->num_rx_chains - 1;5427 5428 nsts <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;5429 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;5430 *vht_cap |= nsts;5431 }5432}5433 5434static struct ieee80211_sta_vht_cap5435ath11k_create_vht_cap(struct ath11k *ar, u32 rate_cap_tx_chainmask,5436 u32 rate_cap_rx_chainmask)5437{5438 struct ieee80211_sta_vht_cap vht_cap = {0};5439 u16 txmcs_map, rxmcs_map;5440 int i;5441 5442 vht_cap.vht_supported = 1;5443 vht_cap.cap = ar->pdev->cap.vht_cap;5444 5445 if (ar->pdev->cap.nss_ratio_enabled)5446 vht_cap.vht_mcs.tx_highest |=5447 cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE);5448 5449 ath11k_set_vht_txbf_cap(ar, &vht_cap.cap);5450 5451 rxmcs_map = 0;5452 txmcs_map = 0;5453 for (i = 0; i < 8; i++) {5454 if (i < ar->num_tx_chains && rate_cap_tx_chainmask & BIT(i))5455 txmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);5456 else5457 txmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);5458 5459 if (i < ar->num_rx_chains && rate_cap_rx_chainmask & BIT(i))5460 rxmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);5461 else5462 rxmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);5463 }5464 5465 if (rate_cap_tx_chainmask <= 1)5466 vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;5467 5468 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_map);5469 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_map);5470 5471 return vht_cap;5472}5473 5474static void ath11k_mac_setup_ht_vht_cap(struct ath11k *ar,5475 struct ath11k_pdev_cap *cap,5476 u32 *ht_cap_info)5477{5478 struct ieee80211_supported_band *band;5479 u32 rate_cap_tx_chainmask;5480 u32 rate_cap_rx_chainmask;5481 u32 ht_cap;5482 5483 rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift;5484 rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift;5485 5486 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {5487 band = &ar->mac.sbands[NL80211_BAND_2GHZ];5488 ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info;5489 if (ht_cap_info)5490 *ht_cap_info = ht_cap;5491 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap,5492 rate_cap_rx_chainmask);5493 }5494 5495 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&5496 (ar->ab->hw_params.single_pdev_only ||5497 !ar->supports_6ghz)) {5498 band = &ar->mac.sbands[NL80211_BAND_5GHZ];5499 ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info;5500 if (ht_cap_info)5501 *ht_cap_info = ht_cap;5502 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap,5503 rate_cap_rx_chainmask);5504 band->vht_cap = ath11k_create_vht_cap(ar, rate_cap_tx_chainmask,5505 rate_cap_rx_chainmask);5506 }5507}5508 5509static int ath11k_check_chain_mask(struct ath11k *ar, u32 ant, bool is_tx_ant)5510{5511 /* TODO: Check the request chainmask against the supported5512 * chainmask table which is advertised in extented_service_ready event5513 */5514 5515 return 0;5516}5517 5518static void ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold *fw_ppet,5519 u8 *he_ppet)5520{5521 int nss, ru;5522 u8 bit = 7;5523 5524 he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK;5525 he_ppet[0] |= (fw_ppet->ru_bit_mask <<5526 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &5527 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;5528 for (nss = 0; nss <= fw_ppet->numss_m1; nss++) {5529 for (ru = 0; ru < 4; ru++) {5530 u8 val;5531 int i;5532 5533 if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0)5534 continue;5535 val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &5536 0x3f;5537 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);5538 for (i = 5; i >= 0; i--) {5539 he_ppet[bit / 8] |=5540 ((val >> i) & 0x1) << ((bit % 8));5541 bit++;5542 }5543 }5544 }5545}5546 5547static void5548ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem)5549{5550 u8 m;5551 5552 m = IEEE80211_HE_MAC_CAP0_TWT_RES |5553 IEEE80211_HE_MAC_CAP0_TWT_REQ;5554 he_cap_elem->mac_cap_info[0] &= ~m;5555 5556 m = IEEE80211_HE_MAC_CAP2_TRS |5557 IEEE80211_HE_MAC_CAP2_BCAST_TWT |5558 IEEE80211_HE_MAC_CAP2_MU_CASCADING;5559 he_cap_elem->mac_cap_info[2] &= ~m;5560 5561 m = IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED |5562 IEEE80211_HE_MAC_CAP2_BCAST_TWT |5563 IEEE80211_HE_MAC_CAP2_MU_CASCADING;5564 he_cap_elem->mac_cap_info[3] &= ~m;5565 5566 m = IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG |5567 IEEE80211_HE_MAC_CAP4_BQR;5568 he_cap_elem->mac_cap_info[4] &= ~m;5569 5570 m = IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION |5571 IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU |5572 IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING |5573 IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX;5574 he_cap_elem->mac_cap_info[5] &= ~m;5575 5576 m = IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |5577 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;5578 he_cap_elem->phy_cap_info[2] &= ~m;5579 5580 m = IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU |5581 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK |5582 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK;5583 he_cap_elem->phy_cap_info[3] &= ~m;5584 5585 m = IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;5586 he_cap_elem->phy_cap_info[4] &= ~m;5587 5588 m = IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;5589 he_cap_elem->phy_cap_info[5] &= ~m;5590 5591 m = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |5592 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB |5593 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |5594 IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;5595 he_cap_elem->phy_cap_info[6] &= ~m;5596 5597 m = IEEE80211_HE_PHY_CAP7_PSR_BASED_SR |5598 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |5599 IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ |5600 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;5601 he_cap_elem->phy_cap_info[7] &= ~m;5602 5603 m = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI |5604 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |5605 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |5606 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;5607 he_cap_elem->phy_cap_info[8] &= ~m;5608 5609 m = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |5610 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |5611 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |5612 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |5613 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |5614 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;5615 he_cap_elem->phy_cap_info[9] &= ~m;5616}5617 5618static __le16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap,5619 struct ath11k_band_cap *bcap)5620{5621 u8 val;5622 5623 bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE;5624 if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)5625 bcap->he_6ghz_capa |=5626 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,5627 WLAN_HT_CAP_SM_PS_DYNAMIC);5628 else5629 bcap->he_6ghz_capa |=5630 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,5631 WLAN_HT_CAP_SM_PS_DISABLED);5632 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,5633 pcap->vht_cap);5634 bcap->he_6ghz_capa |=5635 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, val);5636 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap);5637 bcap->he_6ghz_capa |=5638 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN, val);5639 if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)5640 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;5641 if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)5642 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;5643 5644 return cpu_to_le16(bcap->he_6ghz_capa);5645}5646 5647static void ath11k_mac_set_hemcsmap(struct ath11k *ar,5648 struct ath11k_pdev_cap *cap,5649 struct ieee80211_sta_he_cap *he_cap,5650 int band)5651{5652 u16 txmcs_map, rxmcs_map;5653 u32 i;5654 5655 rxmcs_map = 0;5656 txmcs_map = 0;5657 for (i = 0; i < 8; i++) {5658 if (i < ar->num_tx_chains &&5659 (ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))5660 txmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);5661 else5662 txmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);5663 5664 if (i < ar->num_rx_chains &&5665 (ar->cfg_rx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))5666 rxmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);5667 else5668 rxmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);5669 }5670 he_cap->he_mcs_nss_supp.rx_mcs_80 =5671 cpu_to_le16(rxmcs_map & 0xffff);5672 he_cap->he_mcs_nss_supp.tx_mcs_80 =5673 cpu_to_le16(txmcs_map & 0xffff);5674 he_cap->he_mcs_nss_supp.rx_mcs_160 =5675 cpu_to_le16(rxmcs_map & 0xffff);5676 he_cap->he_mcs_nss_supp.tx_mcs_160 =5677 cpu_to_le16(txmcs_map & 0xffff);5678 he_cap->he_mcs_nss_supp.rx_mcs_80p80 =5679 cpu_to_le16(rxmcs_map & 0xffff);5680 he_cap->he_mcs_nss_supp.tx_mcs_80p80 =5681 cpu_to_le16(txmcs_map & 0xffff);5682}5683 5684static int ath11k_mac_copy_he_cap(struct ath11k *ar,5685 struct ath11k_pdev_cap *cap,5686 struct ieee80211_sband_iftype_data *data,5687 int band)5688{5689 int i, idx = 0;5690 5691 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {5692 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;5693 struct ath11k_band_cap *band_cap = &cap->band[band];5694 struct ieee80211_he_cap_elem *he_cap_elem =5695 &he_cap->he_cap_elem;5696 5697 switch (i) {5698 case NL80211_IFTYPE_STATION:5699 case NL80211_IFTYPE_AP:5700 case NL80211_IFTYPE_MESH_POINT:5701 break;5702 5703 default:5704 continue;5705 }5706 5707 data[idx].types_mask = BIT(i);5708 he_cap->has_he = true;5709 memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info,5710 sizeof(he_cap_elem->mac_cap_info));5711 memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info,5712 sizeof(he_cap_elem->phy_cap_info));5713 5714 he_cap_elem->mac_cap_info[1] &=5715 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK;5716 5717 he_cap_elem->phy_cap_info[5] &=5718 ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK;5719 he_cap_elem->phy_cap_info[5] |= ar->num_tx_chains - 1;5720 5721 switch (i) {5722 case NL80211_IFTYPE_AP:5723 he_cap_elem->phy_cap_info[3] &=5724 ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK;5725 he_cap_elem->phy_cap_info[9] |=5726 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;5727 break;5728 case NL80211_IFTYPE_STATION:5729 he_cap_elem->mac_cap_info[0] &=5730 ~IEEE80211_HE_MAC_CAP0_TWT_RES;5731 he_cap_elem->mac_cap_info[0] |=5732 IEEE80211_HE_MAC_CAP0_TWT_REQ;5733 he_cap_elem->phy_cap_info[9] |=5734 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;5735 break;5736 case NL80211_IFTYPE_MESH_POINT:5737 ath11k_mac_filter_he_cap_mesh(he_cap_elem);5738 break;5739 }5740 5741 ath11k_mac_set_hemcsmap(ar, cap, he_cap, band);5742 5743 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));5744 if (he_cap_elem->phy_cap_info[6] &5745 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)5746 ath11k_gen_ppe_thresh(&band_cap->he_ppet,5747 he_cap->ppe_thres);5748 5749 if (band == NL80211_BAND_6GHZ) {5750 data[idx].he_6ghz_capa.capa =5751 ath11k_mac_setup_he_6ghz_cap(cap, band_cap);5752 }5753 idx++;5754 }5755 5756 return idx;5757}5758 5759static void ath11k_mac_setup_he_cap(struct ath11k *ar,5760 struct ath11k_pdev_cap *cap)5761{5762 struct ieee80211_supported_band *band;5763 int count;5764 5765 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {5766 count = ath11k_mac_copy_he_cap(ar, cap,5767 ar->mac.iftype[NL80211_BAND_2GHZ],5768 NL80211_BAND_2GHZ);5769 band = &ar->mac.sbands[NL80211_BAND_2GHZ];5770 _ieee80211_set_sband_iftype_data(band,5771 ar->mac.iftype[NL80211_BAND_2GHZ],5772 count);5773 }5774 5775 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) {5776 count = ath11k_mac_copy_he_cap(ar, cap,5777 ar->mac.iftype[NL80211_BAND_5GHZ],5778 NL80211_BAND_5GHZ);5779 band = &ar->mac.sbands[NL80211_BAND_5GHZ];5780 _ieee80211_set_sband_iftype_data(band,5781 ar->mac.iftype[NL80211_BAND_5GHZ],5782 count);5783 }5784 5785 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&5786 ar->supports_6ghz) {5787 count = ath11k_mac_copy_he_cap(ar, cap,5788 ar->mac.iftype[NL80211_BAND_6GHZ],5789 NL80211_BAND_6GHZ);5790 band = &ar->mac.sbands[NL80211_BAND_6GHZ];5791 _ieee80211_set_sband_iftype_data(band,5792 ar->mac.iftype[NL80211_BAND_6GHZ],5793 count);5794 }5795}5796 5797static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)5798{5799 int ret;5800 5801 lockdep_assert_held(&ar->conf_mutex);5802 5803 if (ath11k_check_chain_mask(ar, tx_ant, true))5804 return -EINVAL;5805 5806 if (ath11k_check_chain_mask(ar, rx_ant, false))5807 return -EINVAL;5808 5809 ar->cfg_tx_chainmask = tx_ant;5810 ar->cfg_rx_chainmask = rx_ant;5811 5812 if (ar->state != ATH11K_STATE_ON &&5813 ar->state != ATH11K_STATE_RESTARTED)5814 return 0;5815 5816 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_TX_CHAIN_MASK,5817 tx_ant, ar->pdev->pdev_id);5818 if (ret) {5819 ath11k_warn(ar->ab, "failed to set tx-chainmask: %d, req 0x%x\n",5820 ret, tx_ant);5821 return ret;5822 }5823 5824 ar->num_tx_chains = get_num_chains(tx_ant);5825 5826 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RX_CHAIN_MASK,5827 rx_ant, ar->pdev->pdev_id);5828 if (ret) {5829 ath11k_warn(ar->ab, "failed to set rx-chainmask: %d, req 0x%x\n",5830 ret, rx_ant);5831 return ret;5832 }5833 5834 ar->num_rx_chains = get_num_chains(rx_ant);5835 5836 /* Reload HT/VHT/HE capability */5837 ath11k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL);5838 ath11k_mac_setup_he_cap(ar, &ar->pdev->cap);5839 5840 return 0;5841}5842 5843static void ath11k_mgmt_over_wmi_tx_drop(struct ath11k *ar, struct sk_buff *skb)5844{5845 int num_mgmt;5846 5847 ieee80211_free_txskb(ar->hw, skb);5848 5849 num_mgmt = atomic_dec_if_positive(&ar->num_pending_mgmt_tx);5850 5851 if (num_mgmt < 0)5852 WARN_ON_ONCE(1);5853 5854 if (!num_mgmt)5855 wake_up(&ar->txmgmt_empty_waitq);5856}5857 5858static void ath11k_mac_tx_mgmt_free(struct ath11k *ar, int buf_id)5859{5860 struct sk_buff *msdu;5861 struct ieee80211_tx_info *info;5862 5863 spin_lock_bh(&ar->txmgmt_idr_lock);5864 msdu = idr_remove(&ar->txmgmt_idr, buf_id);5865 spin_unlock_bh(&ar->txmgmt_idr_lock);5866 5867 if (!msdu)5868 return;5869 5870 dma_unmap_single(ar->ab->dev, ATH11K_SKB_CB(msdu)->paddr, msdu->len,5871 DMA_TO_DEVICE);5872 5873 info = IEEE80211_SKB_CB(msdu);5874 memset(&info->status, 0, sizeof(info->status));5875 5876 ath11k_mgmt_over_wmi_tx_drop(ar, msdu);5877}5878 5879int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx)5880{5881 struct ath11k *ar = ctx;5882 5883 ath11k_mac_tx_mgmt_free(ar, buf_id);5884 5885 return 0;5886}5887 5888static int ath11k_mac_vif_txmgmt_idr_remove(int buf_id, void *skb, void *ctx)5889{5890 struct ieee80211_vif *vif = ctx;5891 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb);5892 struct ath11k *ar = skb_cb->ar;5893 5894 if (skb_cb->vif == vif)5895 ath11k_mac_tx_mgmt_free(ar, buf_id);5896 5897 return 0;5898}5899 5900static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif,5901 struct sk_buff *skb)5902{5903 struct ath11k_base *ab = ar->ab;5904 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;5905 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);5906 struct ieee80211_tx_info *info;5907 enum hal_encrypt_type enctype;5908 unsigned int mic_len;5909 dma_addr_t paddr;5910 int buf_id;5911 int ret;5912 5913 ATH11K_SKB_CB(skb)->ar = ar;5914 5915 spin_lock_bh(&ar->txmgmt_idr_lock);5916 buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0,5917 ATH11K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC);5918 spin_unlock_bh(&ar->txmgmt_idr_lock);5919 5920 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,5921 "tx mgmt frame, buf id %d\n", buf_id);5922 5923 if (buf_id < 0)5924 return -ENOSPC;5925 5926 info = IEEE80211_SKB_CB(skb);5927 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) {5928 if ((ieee80211_is_action(hdr->frame_control) ||5929 ieee80211_is_deauth(hdr->frame_control) ||5930 ieee80211_is_disassoc(hdr->frame_control)) &&5931 ieee80211_has_protected(hdr->frame_control)) {5932 if (!(skb_cb->flags & ATH11K_SKB_CIPHER_SET))5933 ath11k_warn(ab, "WMI management tx frame without ATH11K_SKB_CIPHER_SET");5934 5935 enctype = ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);5936 mic_len = ath11k_dp_rx_crypto_mic_len(ar, enctype);5937 skb_put(skb, mic_len);5938 }5939 }5940 5941 paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);5942 if (dma_mapping_error(ab->dev, paddr)) {5943 ath11k_warn(ab, "failed to DMA map mgmt Tx buffer\n");5944 ret = -EIO;5945 goto err_free_idr;5946 }5947 5948 ATH11K_SKB_CB(skb)->paddr = paddr;5949 5950 ret = ath11k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb);5951 if (ret) {5952 ath11k_warn(ar->ab, "failed to send mgmt frame: %d\n", ret);5953 goto err_unmap_buf;5954 }5955 5956 return 0;5957 5958err_unmap_buf:5959 dma_unmap_single(ab->dev, ATH11K_SKB_CB(skb)->paddr,5960 skb->len, DMA_TO_DEVICE);5961err_free_idr:5962 spin_lock_bh(&ar->txmgmt_idr_lock);5963 idr_remove(&ar->txmgmt_idr, buf_id);5964 spin_unlock_bh(&ar->txmgmt_idr_lock);5965 5966 return ret;5967}5968 5969static void ath11k_mgmt_over_wmi_tx_purge(struct ath11k *ar)5970{5971 struct sk_buff *skb;5972 5973 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL)5974 ath11k_mgmt_over_wmi_tx_drop(ar, skb);5975}5976 5977static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work)5978{5979 struct ath11k *ar = container_of(work, struct ath11k, wmi_mgmt_tx_work);5980 struct ath11k_skb_cb *skb_cb;5981 struct ath11k_vif *arvif;5982 struct sk_buff *skb;5983 int ret;5984 5985 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) {5986 skb_cb = ATH11K_SKB_CB(skb);5987 if (!skb_cb->vif) {5988 ath11k_warn(ar->ab, "no vif found for mgmt frame\n");5989 ath11k_mgmt_over_wmi_tx_drop(ar, skb);5990 continue;5991 }5992 5993 arvif = ath11k_vif_to_arvif(skb_cb->vif);5994 mutex_lock(&ar->conf_mutex);5995 if (ar->allocated_vdev_map & (1LL << arvif->vdev_id)) {5996 ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb);5997 if (ret) {5998 ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n",5999 arvif->vdev_id, ret);6000 ath11k_mgmt_over_wmi_tx_drop(ar, skb);6001 } else {6002 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,6003 "tx mgmt frame, vdev_id %d\n",6004 arvif->vdev_id);6005 }6006 } else {6007 ath11k_warn(ar->ab,6008 "dropping mgmt frame for vdev %d, is_started %d\n",6009 arvif->vdev_id,6010 arvif->is_started);6011 ath11k_mgmt_over_wmi_tx_drop(ar, skb);6012 }6013 mutex_unlock(&ar->conf_mutex);6014 }6015}6016 6017static int ath11k_mac_mgmt_tx(struct ath11k *ar, struct sk_buff *skb,6018 bool is_prb_rsp)6019{6020 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;6021 6022 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))6023 return -ESHUTDOWN;6024 6025 /* Drop probe response packets when the pending management tx6026 * count has reached a certain threshold, so as to prioritize6027 * other mgmt packets like auth and assoc to be sent on time6028 * for establishing successful connections.6029 */6030 if (is_prb_rsp &&6031 atomic_read(&ar->num_pending_mgmt_tx) > ATH11K_PRB_RSP_DROP_THRESHOLD) {6032 ath11k_warn(ar->ab,6033 "dropping probe response as pending queue is almost full\n");6034 return -ENOSPC;6035 }6036 6037 if (skb_queue_len_lockless(q) >= ATH11K_TX_MGMT_NUM_PENDING_MAX) {6038 ath11k_warn(ar->ab, "mgmt tx queue is full\n");6039 return -ENOSPC;6040 }6041 6042 skb_queue_tail(q, skb);6043 atomic_inc(&ar->num_pending_mgmt_tx);6044 queue_work(ar->ab->workqueue_aux, &ar->wmi_mgmt_tx_work);6045 6046 return 0;6047}6048 6049static void ath11k_mac_op_tx(struct ieee80211_hw *hw,6050 struct ieee80211_tx_control *control,6051 struct sk_buff *skb)6052{6053 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);6054 struct ath11k *ar = hw->priv;6055 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);6056 struct ieee80211_vif *vif = info->control.vif;6057 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);6058 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;6059 struct ieee80211_key_conf *key = info->control.hw_key;6060 struct ath11k_sta *arsta = NULL;6061 u32 info_flags = info->flags;6062 bool is_prb_rsp;6063 int ret;6064 6065 memset(skb_cb, 0, sizeof(*skb_cb));6066 skb_cb->vif = vif;6067 6068 if (key) {6069 skb_cb->cipher = key->cipher;6070 skb_cb->flags |= ATH11K_SKB_CIPHER_SET;6071 }6072 6073 if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {6074 skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP;6075 } else if (ieee80211_is_mgmt(hdr->frame_control)) {6076 is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control);6077 ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp);6078 if (ret) {6079 ath11k_warn(ar->ab, "failed to queue management frame %d\n",6080 ret);6081 ieee80211_free_txskb(ar->hw, skb);6082 }6083 return;6084 }6085 6086 if (control->sta)6087 arsta = ath11k_sta_to_arsta(control->sta);6088 6089 ret = ath11k_dp_tx(ar, arvif, arsta, skb);6090 if (unlikely(ret)) {6091 ath11k_warn(ar->ab, "failed to transmit frame %d\n", ret);6092 ieee80211_free_txskb(ar->hw, skb);6093 }6094}6095 6096void ath11k_mac_drain_tx(struct ath11k *ar)6097{6098 /* make sure rcu-protected mac80211 tx path itself is drained */6099 synchronize_net();6100 6101 cancel_work_sync(&ar->wmi_mgmt_tx_work);6102 ath11k_mgmt_over_wmi_tx_purge(ar);6103}6104 6105static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable)6106{6107 struct htt_rx_ring_tlv_filter tlv_filter = {0};6108 struct ath11k_base *ab = ar->ab;6109 int i, ret = 0;6110 u32 ring_id;6111 6112 if (enable) {6113 tlv_filter = ath11k_mac_mon_status_filter_default;6114 if (ath11k_debugfs_rx_filter(ar))6115 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);6116 }6117 6118 for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {6119 ring_id = ar->dp.rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;6120 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,6121 ar->dp.mac_id + i,6122 HAL_RXDMA_MONITOR_STATUS,6123 DP_RX_BUFFER_SIZE,6124 &tlv_filter);6125 }6126 6127 if (enable && !ar->ab->hw_params.rxdma1_enable)6128 mod_timer(&ar->ab->mon_reap_timer, jiffies +6129 msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));6130 6131 return ret;6132}6133 6134static void ath11k_mac_wait_reconfigure(struct ath11k_base *ab)6135{6136 int recovery_start_count;6137 6138 if (!ab->is_reset)6139 return;6140 6141 recovery_start_count = atomic_inc_return(&ab->recovery_start_count);6142 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery start count %d\n", recovery_start_count);6143 6144 if (recovery_start_count == ab->num_radios) {6145 complete(&ab->recovery_start);6146 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery started success\n");6147 }6148 6149 ath11k_dbg(ab, ATH11K_DBG_MAC, "waiting reconfigure...\n");6150 6151 wait_for_completion_timeout(&ab->reconfigure_complete,6152 ATH11K_RECONFIGURE_TIMEOUT_HZ);6153}6154 6155static int ath11k_mac_op_start(struct ieee80211_hw *hw)6156{6157 struct ath11k *ar = hw->priv;6158 struct ath11k_base *ab = ar->ab;6159 struct ath11k_pdev *pdev = ar->pdev;6160 int ret;6161 6162 if (ath11k_ftm_mode) {6163 ath11k_warn(ab, "mac operations not supported in factory test mode\n");6164 return -EOPNOTSUPP;6165 }6166 6167 ath11k_mac_drain_tx(ar);6168 mutex_lock(&ar->conf_mutex);6169 6170 switch (ar->state) {6171 case ATH11K_STATE_OFF:6172 ar->state = ATH11K_STATE_ON;6173 break;6174 case ATH11K_STATE_RESTARTING:6175 ar->state = ATH11K_STATE_RESTARTED;6176 ath11k_mac_wait_reconfigure(ab);6177 break;6178 case ATH11K_STATE_RESTARTED:6179 case ATH11K_STATE_WEDGED:6180 case ATH11K_STATE_ON:6181 case ATH11K_STATE_FTM:6182 WARN_ON(1);6183 ret = -EINVAL;6184 goto err;6185 }6186 6187 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS,6188 1, pdev->pdev_id);6189 6190 if (ret) {6191 ath11k_err(ar->ab, "failed to enable PMF QOS: (%d\n", ret);6192 goto err;6193 }6194 6195 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 1,6196 pdev->pdev_id);6197 if (ret) {6198 ath11k_err(ar->ab, "failed to enable dynamic bw: %d\n", ret);6199 goto err;6200 }6201 6202 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) {6203 ret = ath11k_wmi_scan_prob_req_oui(ar, ar->mac_addr);6204 if (ret) {6205 ath11k_err(ab, "failed to set prob req oui: %i\n", ret);6206 goto err;6207 }6208 }6209 6210 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_ARP_AC_OVERRIDE,6211 0, pdev->pdev_id);6212 if (ret) {6213 ath11k_err(ab, "failed to set ac override for ARP: %d\n",6214 ret);6215 goto err;6216 }6217 6218 ret = ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(ar, pdev->pdev_id);6219 if (ret) {6220 ath11k_err(ab, "failed to offload radar detection: %d\n",6221 ret);6222 goto err;6223 }6224 6225 ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar,6226 HTT_PPDU_STATS_TAG_DEFAULT);6227 if (ret) {6228 ath11k_err(ab, "failed to req ppdu stats: %d\n", ret);6229 goto err;6230 }6231 6232 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_MESH_MCAST_ENABLE,6233 1, pdev->pdev_id);6234 6235 if (ret) {6236 ath11k_err(ar->ab, "failed to enable MESH MCAST ENABLE: (%d\n", ret);6237 goto err;6238 }6239 6240 __ath11k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);6241 6242 /* TODO: Do we need to enable ANI? */6243 6244 ath11k_reg_update_chan_list(ar, false);6245 6246 ar->num_started_vdevs = 0;6247 ar->num_created_vdevs = 0;6248 ar->num_peers = 0;6249 ar->allocated_vdev_map = 0;6250 6251 /* Configure monitor status ring with default rx_filter to get rx status6252 * such as rssi, rx_duration.6253 */6254 ret = ath11k_mac_config_mon_status_default(ar, true);6255 if (ret) {6256 ath11k_err(ab, "failed to configure monitor status ring with default rx_filter: (%d)\n",6257 ret);6258 goto err;6259 }6260 6261 /* Configure the hash seed for hash based reo dest ring selection */6262 ath11k_wmi_pdev_lro_cfg(ar, ar->pdev->pdev_id);6263 6264 /* allow device to enter IMPS */6265 if (ab->hw_params.idle_ps) {6266 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_IDLE_PS_CONFIG,6267 1, pdev->pdev_id);6268 if (ret) {6269 ath11k_err(ab, "failed to enable idle ps: %d\n", ret);6270 goto err;6271 }6272 }6273 6274 mutex_unlock(&ar->conf_mutex);6275 6276 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx],6277 &ab->pdevs[ar->pdev_idx]);6278 6279 return 0;6280 6281err:6282 ar->state = ATH11K_STATE_OFF;6283 mutex_unlock(&ar->conf_mutex);6284 6285 return ret;6286}6287 6288static void ath11k_mac_op_stop(struct ieee80211_hw *hw, bool suspend)6289{6290 struct ath11k *ar = hw->priv;6291 struct htt_ppdu_stats_info *ppdu_stats, *tmp;6292 int ret;6293 6294 ath11k_mac_drain_tx(ar);6295 6296 mutex_lock(&ar->conf_mutex);6297 ret = ath11k_mac_config_mon_status_default(ar, false);6298 if (ret)6299 ath11k_err(ar->ab, "failed to clear rx_filter for monitor status ring: (%d)\n",6300 ret);6301 6302 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);6303 ar->state = ATH11K_STATE_OFF;6304 mutex_unlock(&ar->conf_mutex);6305 6306 cancel_delayed_work_sync(&ar->scan.timeout);6307 cancel_work_sync(&ar->regd_update_work);6308 cancel_work_sync(&ar->ab->update_11d_work);6309 6310 if (ar->state_11d == ATH11K_11D_PREPARING) {6311 ar->state_11d = ATH11K_11D_IDLE;6312 complete(&ar->completed_11d_scan);6313 }6314 6315 spin_lock_bh(&ar->data_lock);6316 list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) {6317 list_del(&ppdu_stats->list);6318 kfree(ppdu_stats);6319 }6320 spin_unlock_bh(&ar->data_lock);6321 6322 rcu_assign_pointer(ar->ab->pdevs_active[ar->pdev_idx], NULL);6323 6324 synchronize_rcu();6325 6326 atomic_set(&ar->num_pending_mgmt_tx, 0);6327}6328 6329static int ath11k_mac_setup_vdev_params_mbssid(struct ath11k_vif *arvif,6330 u32 *flags, u32 *tx_vdev_id)6331{6332 struct ath11k *ar = arvif->ar;6333 struct ath11k_vif *tx_arvif;6334 struct ieee80211_vif *tx_vif;6335 6336 *tx_vdev_id = 0;6337 tx_vif = arvif->vif->mbssid_tx_vif;6338 if (!tx_vif) {6339 *flags = WMI_HOST_VDEV_FLAGS_NON_MBSSID_AP;6340 return 0;6341 }6342 6343 tx_arvif = ath11k_vif_to_arvif(tx_vif);6344 6345 if (arvif->vif->bss_conf.nontransmitted) {6346 if (ar->hw->wiphy != ieee80211_vif_to_wdev(tx_vif)->wiphy)6347 return -EINVAL;6348 6349 *flags = WMI_HOST_VDEV_FLAGS_NON_TRANSMIT_AP;6350 *tx_vdev_id = ath11k_vif_to_arvif(tx_vif)->vdev_id;6351 } else if (tx_arvif == arvif) {6352 *flags = WMI_HOST_VDEV_FLAGS_TRANSMIT_AP;6353 } else {6354 return -EINVAL;6355 }6356 6357 if (arvif->vif->bss_conf.ema_ap)6358 *flags |= WMI_HOST_VDEV_FLAGS_EMA_MODE;6359 6360 return 0;6361}6362 6363static int ath11k_mac_setup_vdev_create_params(struct ath11k_vif *arvif,6364 struct vdev_create_params *params)6365{6366 struct ath11k *ar = arvif->ar;6367 struct ath11k_pdev *pdev = ar->pdev;6368 int ret;6369 6370 params->if_id = arvif->vdev_id;6371 params->type = arvif->vdev_type;6372 params->subtype = arvif->vdev_subtype;6373 params->pdev_id = pdev->pdev_id;6374 params->mbssid_flags = 0;6375 params->mbssid_tx_vdev_id = 0;6376 6377 if (!test_bit(WMI_TLV_SERVICE_MBSS_PARAM_IN_VDEV_START_SUPPORT,6378 ar->ab->wmi_ab.svc_map)) {6379 ret = ath11k_mac_setup_vdev_params_mbssid(arvif,6380 ¶ms->mbssid_flags,6381 ¶ms->mbssid_tx_vdev_id);6382 if (ret)6383 return ret;6384 }6385 6386 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) {6387 params->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains;6388 params->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains;6389 }6390 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) {6391 params->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;6392 params->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;6393 }6394 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP &&6395 ar->supports_6ghz) {6396 params->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains;6397 params->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains;6398 }6399 return 0;6400}6401 6402static void ath11k_mac_op_update_vif_offload(struct ieee80211_hw *hw,6403 struct ieee80211_vif *vif)6404{6405 struct ath11k *ar = hw->priv;6406 struct ath11k_base *ab = ar->ab;6407 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);6408 u32 param_id, param_value;6409 int ret;6410 6411 param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE;6412 if (ath11k_frame_mode != ATH11K_HW_TXRX_ETHERNET ||6413 (vif->type != NL80211_IFTYPE_STATION &&6414 vif->type != NL80211_IFTYPE_AP))6415 vif->offload_flags &= ~(IEEE80211_OFFLOAD_ENCAP_ENABLED |6416 IEEE80211_OFFLOAD_DECAP_ENABLED);6417 6418 if (vif->offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED)6419 param_value = ATH11K_HW_TXRX_ETHERNET;6420 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))6421 param_value = ATH11K_HW_TXRX_RAW;6422 else6423 param_value = ATH11K_HW_TXRX_NATIVE_WIFI;6424 6425 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,6426 param_id, param_value);6427 if (ret) {6428 ath11k_warn(ab, "failed to set vdev %d tx encap mode: %d\n",6429 arvif->vdev_id, ret);6430 vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;6431 }6432 6433 param_id = WMI_VDEV_PARAM_RX_DECAP_TYPE;6434 if (vif->offload_flags & IEEE80211_OFFLOAD_DECAP_ENABLED)6435 param_value = ATH11K_HW_TXRX_ETHERNET;6436 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))6437 param_value = ATH11K_HW_TXRX_RAW;6438 else6439 param_value = ATH11K_HW_TXRX_NATIVE_WIFI;6440 6441 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,6442 param_id, param_value);6443 if (ret) {6444 ath11k_warn(ab, "failed to set vdev %d rx decap mode: %d\n",6445 arvif->vdev_id, ret);6446 vif->offload_flags &= ~IEEE80211_OFFLOAD_DECAP_ENABLED;6447 }6448}6449 6450static bool ath11k_mac_vif_ap_active_any(struct ath11k_base *ab)6451{6452 struct ath11k *ar;6453 struct ath11k_pdev *pdev;6454 struct ath11k_vif *arvif;6455 int i;6456 6457 for (i = 0; i < ab->num_radios; i++) {6458 pdev = &ab->pdevs[i];6459 ar = pdev->ar;6460 list_for_each_entry(arvif, &ar->arvifs, list) {6461 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_AP)6462 return true;6463 }6464 }6465 return false;6466}6467 6468void ath11k_mac_11d_scan_start(struct ath11k *ar, u32 vdev_id)6469{6470 struct wmi_11d_scan_start_params param;6471 int ret;6472 6473 mutex_lock(&ar->ab->vdev_id_11d_lock);6474 6475 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev id for 11d scan %d\n",6476 ar->vdev_id_11d_scan);6477 6478 if (ar->regdom_set_by_user)6479 goto fin;6480 6481 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID)6482 goto fin;6483 6484 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map))6485 goto fin;6486 6487 if (ath11k_mac_vif_ap_active_any(ar->ab))6488 goto fin;6489 6490 param.vdev_id = vdev_id;6491 param.start_interval_msec = 0;6492 param.scan_period_msec = ATH11K_SCAN_11D_INTERVAL;6493 6494 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "start 11d scan\n");6495 6496 ret = ath11k_wmi_send_11d_scan_start_cmd(ar, ¶m);6497 if (ret) {6498 ath11k_warn(ar->ab, "failed to start 11d scan vdev %d ret: %d\n",6499 vdev_id, ret);6500 } else {6501 ar->vdev_id_11d_scan = vdev_id;6502 if (ar->state_11d == ATH11K_11D_PREPARING)6503 ar->state_11d = ATH11K_11D_RUNNING;6504 }6505 6506fin:6507 if (ar->state_11d == ATH11K_11D_PREPARING) {6508 ar->state_11d = ATH11K_11D_IDLE;6509 complete(&ar->completed_11d_scan);6510 }6511 6512 mutex_unlock(&ar->ab->vdev_id_11d_lock);6513}6514 6515void ath11k_mac_11d_scan_stop(struct ath11k *ar)6516{6517 int ret;6518 u32 vdev_id;6519 6520 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map))6521 return;6522 6523 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "stop 11d scan\n");6524 6525 mutex_lock(&ar->ab->vdev_id_11d_lock);6526 6527 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "stop 11d vdev id %d\n",6528 ar->vdev_id_11d_scan);6529 6530 if (ar->state_11d == ATH11K_11D_PREPARING) {6531 ar->state_11d = ATH11K_11D_IDLE;6532 complete(&ar->completed_11d_scan);6533 }6534 6535 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID) {6536 vdev_id = ar->vdev_id_11d_scan;6537 6538 ret = ath11k_wmi_send_11d_scan_stop_cmd(ar, vdev_id);6539 if (ret) {6540 ath11k_warn(ar->ab,6541 "failed to stopt 11d scan vdev %d ret: %d\n",6542 vdev_id, ret);6543 } else {6544 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID;6545 ar->state_11d = ATH11K_11D_IDLE;6546 complete(&ar->completed_11d_scan);6547 }6548 }6549 mutex_unlock(&ar->ab->vdev_id_11d_lock);6550}6551 6552void ath11k_mac_11d_scan_stop_all(struct ath11k_base *ab)6553{6554 struct ath11k *ar;6555 struct ath11k_pdev *pdev;6556 int i;6557 6558 ath11k_dbg(ab, ATH11K_DBG_MAC, "stop soc 11d scan\n");6559 6560 for (i = 0; i < ab->num_radios; i++) {6561 pdev = &ab->pdevs[i];6562 ar = pdev->ar;6563 6564 ath11k_mac_11d_scan_stop(ar);6565 }6566}6567 6568static int ath11k_mac_vdev_delete(struct ath11k *ar, struct ath11k_vif *arvif)6569{6570 unsigned long time_left;6571 struct ieee80211_vif *vif = arvif->vif;6572 int ret = 0;6573 6574 lockdep_assert_held(&ar->conf_mutex);6575 6576 reinit_completion(&ar->vdev_delete_done);6577 6578 ret = ath11k_wmi_vdev_delete(ar, arvif->vdev_id);6579 if (ret) {6580 ath11k_warn(ar->ab, "failed to delete WMI vdev %d: %d\n",6581 arvif->vdev_id, ret);6582 return ret;6583 }6584 6585 time_left = wait_for_completion_timeout(&ar->vdev_delete_done,6586 ATH11K_VDEV_DELETE_TIMEOUT_HZ);6587 if (time_left == 0) {6588 ath11k_warn(ar->ab, "Timeout in receiving vdev delete response\n");6589 return -ETIMEDOUT;6590 }6591 6592 ar->ab->free_vdev_map |= 1LL << (arvif->vdev_id);6593 ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);6594 ar->num_created_vdevs--;6595 6596 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n",6597 vif->addr, arvif->vdev_id);6598 6599 return ret;6600}6601 6602static void ath11k_mac_bcn_tx_work(struct work_struct *work)6603{6604 struct ath11k_vif *arvif = container_of(work, struct ath11k_vif,6605 bcn_tx_work);6606 6607 mutex_lock(&arvif->ar->conf_mutex);6608 ath11k_mac_bcn_tx_event(arvif);6609 mutex_unlock(&arvif->ar->conf_mutex);6610}6611 6612static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,6613 struct ieee80211_vif *vif)6614{6615 struct ath11k *ar = hw->priv;6616 struct ath11k_base *ab = ar->ab;6617 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);6618 struct vdev_create_params vdev_param = {0};6619 struct peer_create_params peer_param;6620 u32 param_id, param_value;6621 u16 nss;6622 int i;6623 int ret, fbret;6624 int bit;6625 6626 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;6627 6628 mutex_lock(&ar->conf_mutex);6629 6630 if (vif->type == NL80211_IFTYPE_AP &&6631 ar->num_peers > (ar->max_num_peers - 1)) {6632 ath11k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n");6633 ret = -ENOBUFS;6634 goto err;6635 }6636 6637 if (ar->num_created_vdevs > (TARGET_NUM_VDEVS(ab) - 1)) {6638 ath11k_warn(ab, "failed to create vdev %u, reached max vdev limit %d\n",6639 ar->num_created_vdevs, TARGET_NUM_VDEVS(ab));6640 ret = -EBUSY;6641 goto err;6642 }6643 6644 memset(arvif, 0, sizeof(*arvif));6645 6646 arvif->ar = ar;6647 arvif->vif = vif;6648 6649 INIT_LIST_HEAD(&arvif->list);6650 INIT_WORK(&arvif->bcn_tx_work, ath11k_mac_bcn_tx_work);6651 INIT_DELAYED_WORK(&arvif->connection_loss_work,6652 ath11k_mac_vif_sta_connection_loss_work);6653 6654 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {6655 arvif->bitrate_mask.control[i].legacy = 0xffffffff;6656 arvif->bitrate_mask.control[i].gi = NL80211_TXRATE_FORCE_SGI;6657 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,6658 sizeof(arvif->bitrate_mask.control[i].ht_mcs));6659 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,6660 sizeof(arvif->bitrate_mask.control[i].vht_mcs));6661 memset(arvif->bitrate_mask.control[i].he_mcs, 0xff,6662 sizeof(arvif->bitrate_mask.control[i].he_mcs));6663 }6664 6665 bit = __ffs64(ab->free_vdev_map);6666 6667 arvif->vdev_id = bit;6668 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;6669 6670 switch (vif->type) {6671 case NL80211_IFTYPE_UNSPECIFIED:6672 case NL80211_IFTYPE_STATION:6673 arvif->vdev_type = WMI_VDEV_TYPE_STA;6674 if (vif->p2p)6675 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT;6676 break;6677 case NL80211_IFTYPE_MESH_POINT:6678 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_MESH_11S;6679 fallthrough;6680 case NL80211_IFTYPE_AP:6681 arvif->vdev_type = WMI_VDEV_TYPE_AP;6682 if (vif->p2p)6683 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO;6684 break;6685 case NL80211_IFTYPE_MONITOR:6686 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;6687 ar->monitor_vdev_id = bit;6688 break;6689 case NL80211_IFTYPE_P2P_DEVICE:6690 arvif->vdev_type = WMI_VDEV_TYPE_STA;6691 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE;6692 break;6693 6694 default:6695 WARN_ON(1);6696 break;6697 }6698 6699 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "add interface id %d type %d subtype %d map %llx\n",6700 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,6701 ab->free_vdev_map);6702 6703 vif->cab_queue = arvif->vdev_id % (ATH11K_HW_MAX_QUEUES - 1);6704 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)6705 vif->hw_queue[i] = i % (ATH11K_HW_MAX_QUEUES - 1);6706 6707 ret = ath11k_mac_setup_vdev_create_params(arvif, &vdev_param);6708 if (ret) {6709 ath11k_warn(ab, "failed to create vdev parameters %d: %d\n",6710 arvif->vdev_id, ret);6711 goto err;6712 }6713 6714 ret = ath11k_wmi_vdev_create(ar, vif->addr, &vdev_param);6715 if (ret) {6716 ath11k_warn(ab, "failed to create WMI vdev %d: %d\n",6717 arvif->vdev_id, ret);6718 goto err;6719 }6720 6721 ar->num_created_vdevs++;6722 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n",6723 vif->addr, arvif->vdev_id);6724 ar->allocated_vdev_map |= 1LL << arvif->vdev_id;6725 ab->free_vdev_map &= ~(1LL << arvif->vdev_id);6726 6727 spin_lock_bh(&ar->data_lock);6728 list_add(&arvif->list, &ar->arvifs);6729 spin_unlock_bh(&ar->data_lock);6730 6731 ath11k_mac_op_update_vif_offload(hw, vif);6732 6733 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1;6734 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,6735 WMI_VDEV_PARAM_NSS, nss);6736 if (ret) {6737 ath11k_warn(ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n",6738 arvif->vdev_id, ar->cfg_tx_chainmask, nss, ret);6739 goto err_vdev_del;6740 }6741 6742 switch (arvif->vdev_type) {6743 case WMI_VDEV_TYPE_AP:6744 peer_param.vdev_id = arvif->vdev_id;6745 peer_param.peer_addr = vif->addr;6746 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;6747 ret = ath11k_peer_create(ar, arvif, NULL, &peer_param);6748 if (ret) {6749 ath11k_warn(ab, "failed to vdev %d create peer for AP: %d\n",6750 arvif->vdev_id, ret);6751 goto err_vdev_del;6752 }6753 6754 ret = ath11k_mac_set_kickout(arvif);6755 if (ret) {6756 ath11k_warn(ar->ab, "failed to set vdev %i kickout parameters: %d\n",6757 arvif->vdev_id, ret);6758 goto err_peer_del;6759 }6760 6761 ath11k_mac_11d_scan_stop_all(ar->ab);6762 break;6763 case WMI_VDEV_TYPE_STA:6764 param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY;6765 param_value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;6766 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,6767 param_id, param_value);6768 if (ret) {6769 ath11k_warn(ar->ab, "failed to set vdev %d RX wake policy: %d\n",6770 arvif->vdev_id, ret);6771 goto err_peer_del;6772 }6773 6774 param_id = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;6775 param_value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;6776 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,6777 param_id, param_value);6778 if (ret) {6779 ath11k_warn(ar->ab, "failed to set vdev %d TX wake threshold: %d\n",6780 arvif->vdev_id, ret);6781 goto err_peer_del;6782 }6783 6784 param_id = WMI_STA_PS_PARAM_PSPOLL_COUNT;6785 param_value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;6786 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,6787 param_id, param_value);6788 if (ret) {6789 ath11k_warn(ar->ab, "failed to set vdev %d pspoll count: %d\n",6790 arvif->vdev_id, ret);6791 goto err_peer_del;6792 }6793 6794 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id,6795 WMI_STA_PS_MODE_DISABLED);6796 if (ret) {6797 ath11k_warn(ar->ab, "failed to disable vdev %d ps mode: %d\n",6798 arvif->vdev_id, ret);6799 goto err_peer_del;6800 }6801 6802 if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ab->wmi_ab.svc_map)) {6803 reinit_completion(&ar->completed_11d_scan);6804 ar->state_11d = ATH11K_11D_PREPARING;6805 }6806 break;6807 case WMI_VDEV_TYPE_MONITOR:6808 set_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);6809 break;6810 default:6811 break;6812 }6813 6814 arvif->txpower = vif->bss_conf.txpower;6815 ret = ath11k_mac_txpower_recalc(ar);6816 if (ret)6817 goto err_peer_del;6818 6819 param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;6820 param_value = ar->hw->wiphy->rts_threshold;6821 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,6822 param_id, param_value);6823 if (ret) {6824 ath11k_warn(ar->ab, "failed to set rts threshold for vdev %d: %d\n",6825 arvif->vdev_id, ret);6826 }6827 6828 ath11k_dp_vdev_tx_attach(ar, arvif);6829 6830 if (vif->type != NL80211_IFTYPE_MONITOR &&6831 test_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags)) {6832 ret = ath11k_mac_monitor_vdev_create(ar);6833 if (ret)6834 ath11k_warn(ar->ab, "failed to create monitor vdev during add interface: %d",6835 ret);6836 }6837 6838 if (ath11k_wmi_supports_6ghz_cc_ext(ar)) {6839 struct cur_regulatory_info *reg_info;6840 6841 reg_info = &ab->reg_info_store[ar->pdev_idx];6842 ath11k_dbg(ab, ATH11K_DBG_MAC, "interface added to change reg rules\n");6843 ath11k_reg_handle_chan_list(ab, reg_info, IEEE80211_REG_LPI_AP);6844 }6845 6846 mutex_unlock(&ar->conf_mutex);6847 6848 return 0;6849 6850err_peer_del:6851 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {6852 fbret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr);6853 if (fbret) {6854 ath11k_warn(ar->ab, "fallback fail to delete peer addr %pM vdev_id %d ret %d\n",6855 vif->addr, arvif->vdev_id, fbret);6856 goto err;6857 }6858 }6859 6860err_vdev_del:6861 ath11k_mac_vdev_delete(ar, arvif);6862 spin_lock_bh(&ar->data_lock);6863 list_del(&arvif->list);6864 spin_unlock_bh(&ar->data_lock);6865 6866err:6867 mutex_unlock(&ar->conf_mutex);6868 6869 return ret;6870}6871 6872static int ath11k_mac_vif_unref(int buf_id, void *skb, void *ctx)6873{6874 struct ieee80211_vif *vif = ctx;6875 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);6876 6877 if (skb_cb->vif == vif)6878 skb_cb->vif = NULL;6879 6880 return 0;6881}6882 6883static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,6884 struct ieee80211_vif *vif)6885{6886 struct ath11k *ar = hw->priv;6887 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);6888 struct ath11k_base *ab = ar->ab;6889 int ret;6890 int i;6891 6892 cancel_delayed_work_sync(&arvif->connection_loss_work);6893 cancel_work_sync(&arvif->bcn_tx_work);6894 6895 mutex_lock(&ar->conf_mutex);6896 6897 ath11k_dbg(ab, ATH11K_DBG_MAC, "remove interface (vdev %d)\n",6898 arvif->vdev_id);6899 6900 ret = ath11k_spectral_vif_stop(arvif);6901 if (ret)6902 ath11k_warn(ab, "failed to stop spectral for vdev %i: %d\n",6903 arvif->vdev_id, ret);6904 6905 if (arvif->vdev_type == WMI_VDEV_TYPE_STA)6906 ath11k_mac_11d_scan_stop(ar);6907 6908 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {6909 ret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr);6910 if (ret)6911 ath11k_warn(ab, "failed to submit AP self-peer removal on vdev %d: %d\n",6912 arvif->vdev_id, ret);6913 }6914 6915 ret = ath11k_mac_vdev_delete(ar, arvif);6916 if (ret) {6917 ath11k_warn(ab, "failed to delete vdev %d: %d\n",6918 arvif->vdev_id, ret);6919 goto err_vdev_del;6920 }6921 6922 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {6923 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);6924 ar->monitor_vdev_id = -1;6925 } else if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags) &&6926 !test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) {6927 ret = ath11k_mac_monitor_vdev_delete(ar);6928 if (ret)6929 /* continue even if there's an error */6930 ath11k_warn(ar->ab, "failed to delete vdev monitor during remove interface: %d",6931 ret);6932 }6933 6934err_vdev_del:6935 spin_lock_bh(&ar->data_lock);6936 list_del(&arvif->list);6937 spin_unlock_bh(&ar->data_lock);6938 6939 ath11k_peer_cleanup(ar, arvif->vdev_id);6940 6941 idr_for_each(&ar->txmgmt_idr,6942 ath11k_mac_vif_txmgmt_idr_remove, vif);6943 6944 for (i = 0; i < ab->hw_params.max_tx_ring; i++) {6945 spin_lock_bh(&ab->dp.tx_ring[i].tx_idr_lock);6946 idr_for_each(&ab->dp.tx_ring[i].txbuf_idr,6947 ath11k_mac_vif_unref, vif);6948 spin_unlock_bh(&ab->dp.tx_ring[i].tx_idr_lock);6949 }6950 6951 /* Recalc txpower for remaining vdev */6952 ath11k_mac_txpower_recalc(ar);6953 6954 /* TODO: recal traffic pause state based on the available vdevs */6955 6956 mutex_unlock(&ar->conf_mutex);6957}6958 6959/* FIXME: Has to be verified. */6960#define SUPPORTED_FILTERS \6961 (FIF_ALLMULTI | \6962 FIF_CONTROL | \6963 FIF_PSPOLL | \6964 FIF_OTHER_BSS | \6965 FIF_BCN_PRBRESP_PROMISC | \6966 FIF_PROBE_REQ | \6967 FIF_FCSFAIL)6968 6969static void ath11k_mac_op_configure_filter(struct ieee80211_hw *hw,6970 unsigned int changed_flags,6971 unsigned int *total_flags,6972 u64 multicast)6973{6974 struct ath11k *ar = hw->priv;6975 6976 mutex_lock(&ar->conf_mutex);6977 6978 *total_flags &= SUPPORTED_FILTERS;6979 ar->filter_flags = *total_flags;6980 6981 mutex_unlock(&ar->conf_mutex);6982}6983 6984static int ath11k_mac_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)6985{6986 struct ath11k *ar = hw->priv;6987 6988 mutex_lock(&ar->conf_mutex);6989 6990 *tx_ant = ar->cfg_tx_chainmask;6991 *rx_ant = ar->cfg_rx_chainmask;6992 6993 mutex_unlock(&ar->conf_mutex);6994 6995 return 0;6996}6997 6998static int ath11k_mac_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)6999{7000 struct ath11k *ar = hw->priv;7001 int ret;7002 7003 mutex_lock(&ar->conf_mutex);7004 ret = __ath11k_set_antenna(ar, tx_ant, rx_ant);7005 mutex_unlock(&ar->conf_mutex);7006 7007 return ret;7008}7009 7010static int ath11k_mac_op_ampdu_action(struct ieee80211_hw *hw,7011 struct ieee80211_vif *vif,7012 struct ieee80211_ampdu_params *params)7013{7014 struct ath11k *ar = hw->priv;7015 int ret = -EINVAL;7016 7017 mutex_lock(&ar->conf_mutex);7018 7019 switch (params->action) {7020 case IEEE80211_AMPDU_RX_START:7021 ret = ath11k_dp_rx_ampdu_start(ar, params);7022 break;7023 case IEEE80211_AMPDU_RX_STOP:7024 ret = ath11k_dp_rx_ampdu_stop(ar, params);7025 break;7026 case IEEE80211_AMPDU_TX_START:7027 case IEEE80211_AMPDU_TX_STOP_CONT:7028 case IEEE80211_AMPDU_TX_STOP_FLUSH:7029 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:7030 case IEEE80211_AMPDU_TX_OPERATIONAL:7031 /* Tx A-MPDU aggregation offloaded to hw/fw so deny mac802117032 * Tx aggregation requests.7033 */7034 ret = -EOPNOTSUPP;7035 break;7036 }7037 7038 mutex_unlock(&ar->conf_mutex);7039 7040 return ret;7041}7042 7043static int ath11k_mac_op_add_chanctx(struct ieee80211_hw *hw,7044 struct ieee80211_chanctx_conf *ctx)7045{7046 struct ath11k *ar = hw->priv;7047 struct ath11k_base *ab = ar->ab;7048 7049 ath11k_dbg(ab, ATH11K_DBG_MAC,7050 "chanctx add freq %u width %d ptr %p\n",7051 ctx->def.chan->center_freq, ctx->def.width, ctx);7052 7053 mutex_lock(&ar->conf_mutex);7054 7055 spin_lock_bh(&ar->data_lock);7056 /* TODO: In case of multiple channel context, populate rx_channel from7057 * Rx PPDU desc information.7058 */7059 ar->rx_channel = ctx->def.chan;7060 spin_unlock_bh(&ar->data_lock);7061 7062 mutex_unlock(&ar->conf_mutex);7063 7064 return 0;7065}7066 7067static void ath11k_mac_op_remove_chanctx(struct ieee80211_hw *hw,7068 struct ieee80211_chanctx_conf *ctx)7069{7070 struct ath11k *ar = hw->priv;7071 struct ath11k_base *ab = ar->ab;7072 7073 ath11k_dbg(ab, ATH11K_DBG_MAC,7074 "chanctx remove freq %u width %d ptr %p\n",7075 ctx->def.chan->center_freq, ctx->def.width, ctx);7076 7077 mutex_lock(&ar->conf_mutex);7078 7079 spin_lock_bh(&ar->data_lock);7080 /* TODO: In case of there is one more channel context left, populate7081 * rx_channel with the channel of that remaining channel context.7082 */7083 ar->rx_channel = NULL;7084 spin_unlock_bh(&ar->data_lock);7085 7086 mutex_unlock(&ar->conf_mutex);7087}7088 7089static int7090ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif,7091 struct ieee80211_chanctx_conf *ctx,7092 bool restart)7093{7094 struct ath11k *ar = arvif->ar;7095 struct ath11k_base *ab = ar->ab;7096 struct wmi_vdev_start_req_arg arg = {};7097 const struct cfg80211_chan_def *chandef = &ctx->def;7098 int ret = 0;7099 unsigned int dfs_cac_time;7100 7101 lockdep_assert_held(&ar->conf_mutex);7102 7103 reinit_completion(&ar->vdev_setup_done);7104 7105 arg.vdev_id = arvif->vdev_id;7106 arg.dtim_period = arvif->dtim_period;7107 arg.bcn_intval = arvif->beacon_interval;7108 7109 arg.channel.freq = chandef->chan->center_freq;7110 arg.channel.band_center_freq1 = chandef->center_freq1;7111 arg.channel.band_center_freq2 = chandef->center_freq2;7112 arg.channel.mode =7113 ath11k_phymodes[chandef->chan->band][chandef->width];7114 7115 arg.channel.min_power = 0;7116 arg.channel.max_power = chandef->chan->max_power;7117 arg.channel.max_reg_power = chandef->chan->max_reg_power;7118 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain;7119 7120 arg.pref_tx_streams = ar->num_tx_chains;7121 arg.pref_rx_streams = ar->num_rx_chains;7122 7123 arg.mbssid_flags = 0;7124 arg.mbssid_tx_vdev_id = 0;7125 if (test_bit(WMI_TLV_SERVICE_MBSS_PARAM_IN_VDEV_START_SUPPORT,7126 ar->ab->wmi_ab.svc_map)) {7127 ret = ath11k_mac_setup_vdev_params_mbssid(arvif,7128 &arg.mbssid_flags,7129 &arg.mbssid_tx_vdev_id);7130 if (ret)7131 return ret;7132 }7133 7134 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {7135 arg.ssid = arvif->u.ap.ssid;7136 arg.ssid_len = arvif->u.ap.ssid_len;7137 arg.hidden_ssid = arvif->u.ap.hidden_ssid;7138 7139 /* For now allow DFS for AP mode */7140 arg.channel.chan_radar =7141 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);7142 7143 arg.channel.freq2_radar = ctx->radar_enabled;7144 7145 arg.channel.passive = arg.channel.chan_radar;7146 7147 spin_lock_bh(&ab->base_lock);7148 arg.regdomain = ar->ab->dfs_region;7149 spin_unlock_bh(&ab->base_lock);7150 }7151 7152 arg.channel.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR);7153 7154 ath11k_dbg(ab, ATH11K_DBG_MAC,7155 "vdev %d start center_freq %d phymode %s\n",7156 arg.vdev_id, arg.channel.freq,7157 ath11k_wmi_phymode_str(arg.channel.mode));7158 7159 ret = ath11k_wmi_vdev_start(ar, &arg, restart);7160 if (ret) {7161 ath11k_warn(ar->ab, "failed to %s WMI vdev %i\n",7162 restart ? "restart" : "start", arg.vdev_id);7163 return ret;7164 }7165 7166 ret = ath11k_mac_vdev_setup_sync(ar);7167 if (ret) {7168 ath11k_warn(ab, "failed to synchronize setup for vdev %i %s: %d\n",7169 arg.vdev_id, restart ? "restart" : "start", ret);7170 return ret;7171 }7172 7173 /* TODO: For now we only set TPC power here. However when7174 * channel changes, say CSA, it should be updated again.7175 */7176 if (ath11k_mac_supports_station_tpc(ar, arvif, chandef)) {7177 ath11k_mac_fill_reg_tpc_info(ar, arvif->vif, &arvif->chanctx);7178 ath11k_wmi_send_vdev_set_tpc_power(ar, arvif->vdev_id,7179 &arvif->reg_tpc_info);7180 }7181 7182 if (!restart)7183 ar->num_started_vdevs++;7184 7185 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM started, vdev_id %d\n",7186 arvif->vif->addr, arvif->vdev_id);7187 7188 /* Enable CAC Flag in the driver by checking the all sub-channel's DFS7189 * state as NL80211_DFS_USABLE which indicates CAC needs to be7190 * done before channel usage. This flags is used to drop rx packets.7191 * during CAC.7192 */7193 /* TODO Set the flag for other interface types as required */7194 if (arvif->vdev_type == WMI_VDEV_TYPE_AP && ctx->radar_enabled &&7195 cfg80211_chandef_dfs_usable(ar->hw->wiphy, chandef)) {7196 set_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);7197 dfs_cac_time = cfg80211_chandef_dfs_cac_time(ar->hw->wiphy,7198 chandef);7199 ath11k_dbg(ab, ATH11K_DBG_MAC,7200 "cac started dfs_cac_time %u center_freq %d center_freq1 %d for vdev %d\n",7201 dfs_cac_time, arg.channel.freq, chandef->center_freq1,7202 arg.vdev_id);7203 }7204 7205 ret = ath11k_mac_set_txbf_conf(arvif);7206 if (ret)7207 ath11k_warn(ab, "failed to set txbf conf for vdev %d: %d\n",7208 arvif->vdev_id, ret);7209 7210 return 0;7211}7212 7213static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif)7214{7215 struct ath11k *ar = arvif->ar;7216 int ret;7217 7218 lockdep_assert_held(&ar->conf_mutex);7219 7220 reinit_completion(&ar->vdev_setup_done);7221 7222 ret = ath11k_wmi_vdev_stop(ar, arvif->vdev_id);7223 if (ret) {7224 ath11k_warn(ar->ab, "failed to stop WMI vdev %i: %d\n",7225 arvif->vdev_id, ret);7226 goto err;7227 }7228 7229 ret = ath11k_mac_vdev_setup_sync(ar);7230 if (ret) {7231 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i: %d\n",7232 arvif->vdev_id, ret);7233 goto err;7234 }7235 7236 WARN_ON(ar->num_started_vdevs == 0);7237 7238 ar->num_started_vdevs--;7239 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n",7240 arvif->vif->addr, arvif->vdev_id);7241 7242 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) {7243 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);7244 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "CAC Stopped for vdev %d\n",7245 arvif->vdev_id);7246 }7247 7248 return 0;7249err:7250 return ret;7251}7252 7253static int ath11k_mac_vdev_start(struct ath11k_vif *arvif,7254 struct ieee80211_chanctx_conf *ctx)7255{7256 return ath11k_mac_vdev_start_restart(arvif, ctx, false);7257}7258 7259static int ath11k_mac_vdev_restart(struct ath11k_vif *arvif,7260 struct ieee80211_chanctx_conf *ctx)7261{7262 return ath11k_mac_vdev_start_restart(arvif, ctx, true);7263}7264 7265struct ath11k_mac_change_chanctx_arg {7266 struct ieee80211_chanctx_conf *ctx;7267 struct ieee80211_vif_chanctx_switch *vifs;7268 int n_vifs;7269 int next_vif;7270};7271 7272static void7273ath11k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,7274 struct ieee80211_vif *vif)7275{7276 struct ath11k_mac_change_chanctx_arg *arg = data;7277 7278 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) != arg->ctx)7279 return;7280 7281 arg->n_vifs++;7282}7283 7284static void7285ath11k_mac_change_chanctx_fill_iter(void *data, u8 *mac,7286 struct ieee80211_vif *vif)7287{7288 struct ath11k_mac_change_chanctx_arg *arg = data;7289 struct ieee80211_chanctx_conf *ctx;7290 7291 ctx = rcu_access_pointer(vif->bss_conf.chanctx_conf);7292 if (ctx != arg->ctx)7293 return;7294 7295 if (WARN_ON(arg->next_vif == arg->n_vifs))7296 return;7297 7298 arg->vifs[arg->next_vif].vif = vif;7299 arg->vifs[arg->next_vif].old_ctx = ctx;7300 arg->vifs[arg->next_vif].new_ctx = ctx;7301 arg->next_vif++;7302}7303 7304static void7305ath11k_mac_update_vif_chan(struct ath11k *ar,7306 struct ieee80211_vif_chanctx_switch *vifs,7307 int n_vifs)7308{7309 struct ath11k_base *ab = ar->ab;7310 struct ath11k_vif *arvif, *tx_arvif = NULL;7311 struct ieee80211_vif *mbssid_tx_vif;7312 int ret;7313 int i;7314 bool monitor_vif = false;7315 7316 lockdep_assert_held(&ar->conf_mutex);7317 7318 /* Associated channel resources of all relevant vdevs7319 * should be available for the channel switch now.7320 */7321 7322 /* TODO: Update ar->rx_channel */7323 7324 for (i = 0; i < n_vifs; i++) {7325 arvif = ath11k_vif_to_arvif(vifs[i].vif);7326 7327 if (WARN_ON(!arvif->is_started))7328 continue;7329 7330 /* change_chanctx can be called even before vdev_up from7331 * ieee80211_start_ap->ieee80211_vif_use_channel->7332 * ieee80211_recalc_radar_chanctx.7333 *7334 * Firmware expect vdev_restart only if vdev is up.7335 * If vdev is down then it expect vdev_stop->vdev_start.7336 */7337 if (arvif->is_up) {7338 ret = ath11k_mac_vdev_restart(arvif, vifs[i].new_ctx);7339 if (ret) {7340 ath11k_warn(ab, "failed to restart vdev %d: %d\n",7341 arvif->vdev_id, ret);7342 continue;7343 }7344 } else {7345 ret = ath11k_mac_vdev_stop(arvif);7346 if (ret) {7347 ath11k_warn(ab, "failed to stop vdev %d: %d\n",7348 arvif->vdev_id, ret);7349 continue;7350 }7351 7352 ret = ath11k_mac_vdev_start(arvif, vifs[i].new_ctx);7353 if (ret)7354 ath11k_warn(ab, "failed to start vdev %d: %d\n",7355 arvif->vdev_id, ret);7356 7357 continue;7358 }7359 7360 ret = ath11k_mac_setup_bcn_tmpl(arvif);7361 if (ret)7362 ath11k_warn(ab, "failed to update bcn tmpl during csa: %d\n",7363 ret);7364 7365 mbssid_tx_vif = arvif->vif->mbssid_tx_vif;7366 if (mbssid_tx_vif)7367 tx_arvif = ath11k_vif_to_arvif(mbssid_tx_vif);7368 7369 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,7370 arvif->bssid,7371 tx_arvif ? tx_arvif->bssid : NULL,7372 arvif->vif->bss_conf.bssid_index,7373 1 << arvif->vif->bss_conf.bssid_indicator);7374 if (ret) {7375 ath11k_warn(ab, "failed to bring vdev up %d: %d\n",7376 arvif->vdev_id, ret);7377 continue;7378 }7379 }7380 7381 /* Restart the internal monitor vdev on new channel */7382 if (!monitor_vif &&7383 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) {7384 ret = ath11k_mac_monitor_stop(ar);7385 if (ret) {7386 ath11k_warn(ar->ab, "failed to stop monitor during vif channel update: %d",7387 ret);7388 return;7389 }7390 7391 ret = ath11k_mac_monitor_start(ar);7392 if (ret) {7393 ath11k_warn(ar->ab, "failed to start monitor during vif channel update: %d",7394 ret);7395 return;7396 }7397 }7398}7399 7400static void7401ath11k_mac_update_active_vif_chan(struct ath11k *ar,7402 struct ieee80211_chanctx_conf *ctx)7403{7404 struct ath11k_mac_change_chanctx_arg arg = { .ctx = ctx };7405 7406 lockdep_assert_held(&ar->conf_mutex);7407 7408 ieee80211_iterate_active_interfaces_atomic(ar->hw,7409 IEEE80211_IFACE_ITER_NORMAL,7410 ath11k_mac_change_chanctx_cnt_iter,7411 &arg);7412 if (arg.n_vifs == 0)7413 return;7414 7415 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), GFP_KERNEL);7416 if (!arg.vifs)7417 return;7418 7419 ieee80211_iterate_active_interfaces_atomic(ar->hw,7420 IEEE80211_IFACE_ITER_NORMAL,7421 ath11k_mac_change_chanctx_fill_iter,7422 &arg);7423 7424 ath11k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);7425 7426 kfree(arg.vifs);7427}7428 7429static void ath11k_mac_op_change_chanctx(struct ieee80211_hw *hw,7430 struct ieee80211_chanctx_conf *ctx,7431 u32 changed)7432{7433 struct ath11k *ar = hw->priv;7434 struct ath11k_base *ab = ar->ab;7435 7436 mutex_lock(&ar->conf_mutex);7437 7438 ath11k_dbg(ab, ATH11K_DBG_MAC,7439 "chanctx change freq %u width %d ptr %p changed %x\n",7440 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);7441 7442 /* This shouldn't really happen because channel switching should use7443 * switch_vif_chanctx().7444 */7445 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))7446 goto unlock;7447 7448 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH ||7449 changed & IEEE80211_CHANCTX_CHANGE_RADAR)7450 ath11k_mac_update_active_vif_chan(ar, ctx);7451 7452 /* TODO: Recalc radar detection */7453 7454unlock:7455 mutex_unlock(&ar->conf_mutex);7456}7457 7458static int ath11k_mac_start_vdev_delay(struct ieee80211_hw *hw,7459 struct ieee80211_vif *vif)7460{7461 struct ath11k *ar = hw->priv;7462 struct ath11k_base *ab = ar->ab;7463 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);7464 int ret;7465 7466 if (WARN_ON(arvif->is_started))7467 return -EBUSY;7468 7469 ret = ath11k_mac_vdev_start(arvif, &arvif->chanctx);7470 if (ret) {7471 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",7472 arvif->vdev_id, vif->addr,7473 arvif->chanctx.def.chan->center_freq, ret);7474 return ret;7475 }7476 7477 /* Reconfigure hardware rate code since it is cleared by firmware.7478 */7479 if (ar->hw_rate_code > 0) {7480 u32 vdev_param = WMI_VDEV_PARAM_MGMT_RATE;7481 7482 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,7483 ar->hw_rate_code);7484 if (ret) {7485 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret);7486 return ret;7487 }7488 }7489 7490 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {7491 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, 0, ar->mac_addr,7492 NULL, 0, 0);7493 if (ret) {7494 ath11k_warn(ab, "failed put monitor up: %d\n", ret);7495 return ret;7496 }7497 }7498 7499 arvif->is_started = true;7500 7501 /* TODO: Setup ps and cts/rts protection */7502 return 0;7503}7504 7505static int ath11k_mac_stop_vdev_early(struct ieee80211_hw *hw,7506 struct ieee80211_vif *vif)7507{7508 struct ath11k *ar = hw->priv;7509 struct ath11k_base *ab = ar->ab;7510 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);7511 int ret;7512 7513 if (WARN_ON(!arvif->is_started))7514 return -EBUSY;7515 7516 ret = ath11k_mac_vdev_stop(arvif);7517 if (ret) {7518 ath11k_warn(ab, "failed to stop vdev %i: %d\n",7519 arvif->vdev_id, ret);7520 return ret;7521 }7522 7523 arvif->is_started = false;7524 7525 /* TODO: Setup ps and cts/rts protection */7526 return 0;7527}7528 7529static u8 ath11k_mac_get_num_pwr_levels(struct cfg80211_chan_def *chan_def)7530{7531 if (chan_def->chan->flags & IEEE80211_CHAN_PSD) {7532 switch (chan_def->width) {7533 case NL80211_CHAN_WIDTH_20:7534 return 1;7535 case NL80211_CHAN_WIDTH_40:7536 return 2;7537 case NL80211_CHAN_WIDTH_80:7538 return 4;7539 case NL80211_CHAN_WIDTH_80P80:7540 case NL80211_CHAN_WIDTH_160:7541 return 8;7542 default:7543 return 1;7544 }7545 } else {7546 switch (chan_def->width) {7547 case NL80211_CHAN_WIDTH_20:7548 return 1;7549 case NL80211_CHAN_WIDTH_40:7550 return 2;7551 case NL80211_CHAN_WIDTH_80:7552 return 3;7553 case NL80211_CHAN_WIDTH_80P80:7554 case NL80211_CHAN_WIDTH_160:7555 return 4;7556 default:7557 return 1;7558 }7559 }7560}7561 7562static u16 ath11k_mac_get_6ghz_start_frequency(struct cfg80211_chan_def *chan_def)7563{7564 u16 diff_seq;7565 7566 /* It is to get the lowest channel number's center frequency of the chan.7567 * For example,7568 * bandwidth=40 MHz, center frequency is 5965, lowest channel is 17569 * with center frequency 5955, its diff is 5965 - 5955 = 10.7570 * bandwidth=80 MHz, center frequency is 5985, lowest channel is 17571 * with center frequency 5955, its diff is 5985 - 5955 = 30.7572 * bandwidth=160 MHz, center frequency is 6025, lowest channel is 17573 * with center frequency 5955, its diff is 6025 - 5955 = 70.7574 */7575 switch (chan_def->width) {7576 case NL80211_CHAN_WIDTH_160:7577 diff_seq = 70;7578 break;7579 case NL80211_CHAN_WIDTH_80:7580 case NL80211_CHAN_WIDTH_80P80:7581 diff_seq = 30;7582 break;7583 case NL80211_CHAN_WIDTH_40:7584 diff_seq = 10;7585 break;7586 default:7587 diff_seq = 0;7588 }7589 7590 return chan_def->center_freq1 - diff_seq;7591}7592 7593static u16 ath11k_mac_get_seg_freq(struct cfg80211_chan_def *chan_def,7594 u16 start_seq, u8 seq)7595{7596 u16 seg_seq;7597 7598 /* It is to get the center frequency of the specific bandwidth.7599 * start_seq means the lowest channel number's center frequency.7600 * seq 0/1/2/3 means 20 MHz/40 MHz/80 MHz/160 MHz&80P80.7601 * For example,7602 * lowest channel is 1, its center frequency 5955,7603 * center frequency is 5955 when bandwidth=20 MHz, its diff is 5955 - 5955 = 0.7604 * lowest channel is 1, its center frequency 5955,7605 * center frequency is 5965 when bandwidth=40 MHz, its diff is 5965 - 5955 = 10.7606 * lowest channel is 1, its center frequency 5955,7607 * center frequency is 5985 when bandwidth=80 MHz, its diff is 5985 - 5955 = 30.7608 * lowest channel is 1, its center frequency 5955,7609 * center frequency is 6025 when bandwidth=160 MHz, its diff is 6025 - 5955 = 70.7610 */7611 if (chan_def->width == NL80211_CHAN_WIDTH_80P80 && seq == 3)7612 return chan_def->center_freq2;7613 7614 seg_seq = 10 * (BIT(seq) - 1);7615 return seg_seq + start_seq;7616}7617 7618static void ath11k_mac_get_psd_channel(struct ath11k *ar,7619 u16 step_freq,7620 u16 *start_freq,7621 u16 *center_freq,7622 u8 i,7623 struct ieee80211_channel **temp_chan,7624 s8 *tx_power)7625{7626 /* It is to get the center frequency for each 20 MHz.7627 * For example, if the chan is 160 MHz and center frequency is 6025,7628 * then it include 8 channels, they are 1/5/9/13/17/21/25/29,7629 * channel number 1's center frequency is 5955, it is parameter start_freq.7630 * parameter i is the step of the 8 channels. i is 0~7 for the 8 channels.7631 * the channel 1/5/9/13/17/21/25/29 maps i=0/1/2/3/4/5/6/7,7632 * and maps its center frequency is 5955/5975/5995/6015/6035/6055/6075/6095,7633 * the gap is 20 for each channel, parameter step_freq means the gap.7634 * after get the center frequency of each channel, it is easy to find the7635 * struct ieee80211_channel of it and get the max_reg_power.7636 */7637 *center_freq = *start_freq + i * step_freq;7638 *temp_chan = ieee80211_get_channel(ar->hw->wiphy, *center_freq);7639 *tx_power = (*temp_chan)->max_reg_power;7640}7641 7642static void ath11k_mac_get_eirp_power(struct ath11k *ar,7643 u16 *start_freq,7644 u16 *center_freq,7645 u8 i,7646 struct ieee80211_channel **temp_chan,7647 struct cfg80211_chan_def *def,7648 s8 *tx_power)7649{7650 /* It is to get the center frequency for 20 MHz/40 MHz/80 MHz/7651 * 160 MHz&80P80 bandwidth, and then plus 10 to the center frequency,7652 * it is the center frequency of a channel number.7653 * For example, when configured channel number is 1.7654 * center frequency is 5965 when bandwidth=40 MHz, after plus 10, it is 5975,7655 * then it is channel number 5.7656 * center frequency is 5985 when bandwidth=80 MHz, after plus 10, it is 5995,7657 * then it is channel number 9.7658 * center frequency is 6025 when bandwidth=160 MHz, after plus 10, it is 6035,7659 * then it is channel number 17.7660 * after get the center frequency of each channel, it is easy to find the7661 * struct ieee80211_channel of it and get the max_reg_power.7662 */7663 *center_freq = ath11k_mac_get_seg_freq(def, *start_freq, i);7664 7665 /* For the 20 MHz, its center frequency is same with same channel */7666 if (i != 0)7667 *center_freq += 10;7668 7669 *temp_chan = ieee80211_get_channel(ar->hw->wiphy, *center_freq);7670 *tx_power = (*temp_chan)->max_reg_power;7671}7672 7673void ath11k_mac_fill_reg_tpc_info(struct ath11k *ar,7674 struct ieee80211_vif *vif,7675 struct ieee80211_chanctx_conf *ctx)7676{7677 struct ath11k_base *ab = ar->ab;7678 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);7679 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;7680 struct ath11k_reg_tpc_power_info *reg_tpc_info = &arvif->reg_tpc_info;7681 struct ieee80211_channel *chan, *temp_chan;7682 u8 pwr_lvl_idx, num_pwr_levels, pwr_reduction;7683 bool is_psd_power = false, is_tpe_present = false;7684 s8 max_tx_power[ATH11K_NUM_PWR_LEVELS],7685 psd_power, tx_power;7686 s8 eirp_power = 0;7687 u16 start_freq, center_freq;7688 7689 chan = ctx->def.chan;7690 start_freq = ath11k_mac_get_6ghz_start_frequency(&ctx->def);7691 pwr_reduction = bss_conf->pwr_reduction;7692 7693 if (arvif->reg_tpc_info.num_pwr_levels) {7694 is_tpe_present = true;7695 num_pwr_levels = arvif->reg_tpc_info.num_pwr_levels;7696 } else {7697 num_pwr_levels =7698 ath11k_mac_get_num_pwr_levels(&bss_conf->chanreq.oper);7699 }7700 7701 for (pwr_lvl_idx = 0; pwr_lvl_idx < num_pwr_levels; pwr_lvl_idx++) {7702 /* STA received TPE IE*/7703 if (is_tpe_present) {7704 /* local power is PSD power*/7705 if (chan->flags & IEEE80211_CHAN_PSD) {7706 /* Connecting AP is psd power */7707 if (reg_tpc_info->is_psd_power) {7708 is_psd_power = true;7709 ath11k_mac_get_psd_channel(ar, 20,7710 &start_freq,7711 ¢er_freq,7712 pwr_lvl_idx,7713 &temp_chan,7714 &tx_power);7715 psd_power = temp_chan->psd;7716 eirp_power = tx_power;7717 max_tx_power[pwr_lvl_idx] =7718 min_t(s8,7719 psd_power,7720 reg_tpc_info->tpe[pwr_lvl_idx]);7721 /* Connecting AP is not psd power */7722 } else {7723 ath11k_mac_get_eirp_power(ar,7724 &start_freq,7725 ¢er_freq,7726 pwr_lvl_idx,7727 &temp_chan,7728 &ctx->def,7729 &tx_power);7730 psd_power = temp_chan->psd;7731 /* convert psd power to EIRP power based7732 * on channel width7733 */7734 tx_power =7735 min_t(s8, tx_power,7736 psd_power + 13 + pwr_lvl_idx * 3);7737 max_tx_power[pwr_lvl_idx] =7738 min_t(s8,7739 tx_power,7740 reg_tpc_info->tpe[pwr_lvl_idx]);7741 }7742 /* local power is not PSD power */7743 } else {7744 /* Connecting AP is psd power */7745 if (reg_tpc_info->is_psd_power) {7746 is_psd_power = true;7747 ath11k_mac_get_psd_channel(ar, 20,7748 &start_freq,7749 ¢er_freq,7750 pwr_lvl_idx,7751 &temp_chan,7752 &tx_power);7753 eirp_power = tx_power;7754 max_tx_power[pwr_lvl_idx] =7755 reg_tpc_info->tpe[pwr_lvl_idx];7756 /* Connecting AP is not psd power */7757 } else {7758 ath11k_mac_get_eirp_power(ar,7759 &start_freq,7760 ¢er_freq,7761 pwr_lvl_idx,7762 &temp_chan,7763 &ctx->def,7764 &tx_power);7765 max_tx_power[pwr_lvl_idx] =7766 min_t(s8,7767 tx_power,7768 reg_tpc_info->tpe[pwr_lvl_idx]);7769 }7770 }7771 /* STA not received TPE IE */7772 } else {7773 /* local power is PSD power*/7774 if (chan->flags & IEEE80211_CHAN_PSD) {7775 is_psd_power = true;7776 ath11k_mac_get_psd_channel(ar, 20,7777 &start_freq,7778 ¢er_freq,7779 pwr_lvl_idx,7780 &temp_chan,7781 &tx_power);7782 psd_power = temp_chan->psd;7783 eirp_power = tx_power;7784 max_tx_power[pwr_lvl_idx] = psd_power;7785 } else {7786 ath11k_mac_get_eirp_power(ar,7787 &start_freq,7788 ¢er_freq,7789 pwr_lvl_idx,7790 &temp_chan,7791 &ctx->def,7792 &tx_power);7793 max_tx_power[pwr_lvl_idx] = tx_power;7794 }7795 }7796 7797 if (is_psd_power) {7798 /* If AP local power constraint is present */7799 if (pwr_reduction)7800 eirp_power = eirp_power - pwr_reduction;7801 7802 /* If firmware updated max tx power is non zero, then take7803 * the min of firmware updated ap tx power7804 * and max power derived from above mentioned parameters.7805 */7806 ath11k_dbg(ab, ATH11K_DBG_MAC,7807 "eirp power : %d firmware report power : %d\n",7808 eirp_power, ar->max_allowed_tx_power);7809 /* Firmware reports lower max_allowed_tx_power during vdev7810 * start response. In case of 6 GHz, firmware is not aware7811 * of EIRP power unless driver sets EIRP power through WMI7812 * TPC command. So radio which does not support idle power7813 * save can set maximum calculated EIRP power directly to7814 * firmware through TPC command without min comparison with7815 * vdev start response's max_allowed_tx_power.7816 */7817 if (ar->max_allowed_tx_power && ab->hw_params.idle_ps)7818 eirp_power = min_t(s8,7819 eirp_power,7820 ar->max_allowed_tx_power);7821 } else {7822 /* If AP local power constraint is present */7823 if (pwr_reduction)7824 max_tx_power[pwr_lvl_idx] =7825 max_tx_power[pwr_lvl_idx] - pwr_reduction;7826 /* If firmware updated max tx power is non zero, then take7827 * the min of firmware updated ap tx power7828 * and max power derived from above mentioned parameters.7829 */7830 if (ar->max_allowed_tx_power && ab->hw_params.idle_ps)7831 max_tx_power[pwr_lvl_idx] =7832 min_t(s8,7833 max_tx_power[pwr_lvl_idx],7834 ar->max_allowed_tx_power);7835 }7836 reg_tpc_info->chan_power_info[pwr_lvl_idx].chan_cfreq = center_freq;7837 reg_tpc_info->chan_power_info[pwr_lvl_idx].tx_power =7838 max_tx_power[pwr_lvl_idx];7839 }7840 7841 reg_tpc_info->num_pwr_levels = num_pwr_levels;7842 reg_tpc_info->is_psd_power = is_psd_power;7843 reg_tpc_info->eirp_power = eirp_power;7844 reg_tpc_info->ap_power_type =7845 ath11k_reg_ap_pwr_convert(vif->bss_conf.power_type);7846}7847 7848static void ath11k_mac_parse_tx_pwr_env(struct ath11k *ar,7849 struct ieee80211_vif *vif,7850 struct ieee80211_chanctx_conf *ctx)7851{7852 struct ath11k_base *ab = ar->ab;7853 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);7854 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;7855 struct ieee80211_parsed_tpe_eirp *non_psd = NULL;7856 struct ieee80211_parsed_tpe_psd *psd = NULL;7857 enum wmi_reg_6ghz_client_type client_type;7858 struct cur_regulatory_info *reg_info;7859 u8 local_tpe_count, reg_tpe_count;7860 bool use_local_tpe;7861 int i;7862 7863 reg_info = &ab->reg_info_store[ar->pdev_idx];7864 client_type = reg_info->client_type;7865 7866 local_tpe_count =7867 bss_conf->tpe.max_local[client_type].valid +7868 bss_conf->tpe.psd_local[client_type].valid;7869 reg_tpe_count =7870 bss_conf->tpe.max_reg_client[client_type].valid +7871 bss_conf->tpe.psd_reg_client[client_type].valid;7872 7873 if (!reg_tpe_count && !local_tpe_count) {7874 ath11k_warn(ab,7875 "no transmit power envelope match client power type %d\n",7876 client_type);7877 return;7878 } else if (!reg_tpe_count) {7879 use_local_tpe = true;7880 } else {7881 use_local_tpe = false;7882 }7883 7884 if (use_local_tpe) {7885 psd = &bss_conf->tpe.psd_local[client_type];7886 if (!psd->valid)7887 psd = NULL;7888 non_psd = &bss_conf->tpe.max_local[client_type];7889 if (!non_psd->valid)7890 non_psd = NULL;7891 } else {7892 psd = &bss_conf->tpe.psd_reg_client[client_type];7893 if (!psd->valid)7894 psd = NULL;7895 non_psd = &bss_conf->tpe.max_reg_client[client_type];7896 if (!non_psd->valid)7897 non_psd = NULL;7898 }7899 7900 if (non_psd && !psd) {7901 arvif->reg_tpc_info.is_psd_power = false;7902 arvif->reg_tpc_info.eirp_power = 0;7903 7904 arvif->reg_tpc_info.num_pwr_levels = non_psd->count;7905 7906 for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) {7907 ath11k_dbg(ab, ATH11K_DBG_MAC,7908 "non PSD power[%d] : %d\n",7909 i, non_psd->power[i]);7910 arvif->reg_tpc_info.tpe[i] = non_psd->power[i] / 2;7911 }7912 }7913 7914 if (psd) {7915 arvif->reg_tpc_info.is_psd_power = true;7916 arvif->reg_tpc_info.num_pwr_levels = psd->count;7917 7918 for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) {7919 ath11k_dbg(ab, ATH11K_DBG_MAC,7920 "TPE PSD power[%d] : %d\n",7921 i, psd->power[i]);7922 arvif->reg_tpc_info.tpe[i] = psd->power[i] / 2;7923 }7924 }7925}7926 7927static int7928ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,7929 struct ieee80211_vif *vif,7930 struct ieee80211_bss_conf *link_conf,7931 struct ieee80211_chanctx_conf *ctx)7932{7933 struct ath11k *ar = hw->priv;7934 struct ath11k_base *ab = ar->ab;7935 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);7936 int ret;7937 7938 mutex_lock(&ar->conf_mutex);7939 7940 ath11k_dbg(ab, ATH11K_DBG_MAC,7941 "chanctx assign ptr %p vdev_id %i\n",7942 ctx, arvif->vdev_id);7943 7944 if (ath11k_wmi_supports_6ghz_cc_ext(ar) &&7945 ctx->def.chan->band == NL80211_BAND_6GHZ &&7946 arvif->vdev_type == WMI_VDEV_TYPE_STA) {7947 arvif->chanctx = *ctx;7948 ath11k_mac_parse_tx_pwr_env(ar, vif, ctx);7949 }7950 7951 /* for QCA6390 bss peer must be created before vdev_start */7952 if (ab->hw_params.vdev_start_delay &&7953 arvif->vdev_type != WMI_VDEV_TYPE_AP &&7954 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&7955 !ath11k_peer_find_by_vdev_id(ab, arvif->vdev_id)) {7956 memcpy(&arvif->chanctx, ctx, sizeof(*ctx));7957 ret = 0;7958 goto out;7959 }7960 7961 if (WARN_ON(arvif->is_started)) {7962 ret = -EBUSY;7963 goto out;7964 }7965 7966 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {7967 ret = ath11k_mac_monitor_start(ar);7968 if (ret) {7969 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d",7970 ret);7971 goto out;7972 }7973 7974 arvif->is_started = true;7975 goto out;7976 }7977 7978 if (!arvif->is_started) {7979 ret = ath11k_mac_vdev_start(arvif, ctx);7980 if (ret) {7981 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",7982 arvif->vdev_id, vif->addr,7983 ctx->def.chan->center_freq, ret);7984 goto out;7985 }7986 7987 arvif->is_started = true;7988 }7989 7990 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&7991 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) {7992 ret = ath11k_mac_monitor_start(ar);7993 if (ret) {7994 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d",7995 ret);7996 goto out;7997 }7998 }7999 8000 /* TODO: Setup ps and cts/rts protection */8001 8002 ret = 0;8003 8004out:8005 mutex_unlock(&ar->conf_mutex);8006 8007 return ret;8008}8009 8010static void8011ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,8012 struct ieee80211_vif *vif,8013 struct ieee80211_bss_conf *link_conf,8014 struct ieee80211_chanctx_conf *ctx)8015{8016 struct ath11k *ar = hw->priv;8017 struct ath11k_base *ab = ar->ab;8018 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);8019 struct ath11k_peer *peer;8020 int ret;8021 8022 mutex_lock(&ar->conf_mutex);8023 8024 ath11k_dbg(ab, ATH11K_DBG_MAC,8025 "chanctx unassign ptr %p vdev_id %i\n",8026 ctx, arvif->vdev_id);8027 8028 if (ab->hw_params.vdev_start_delay &&8029 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {8030 spin_lock_bh(&ab->base_lock);8031 peer = ath11k_peer_find_by_addr(ab, ar->mac_addr);8032 spin_unlock_bh(&ab->base_lock);8033 if (peer)8034 ath11k_peer_delete(ar, arvif->vdev_id, ar->mac_addr);8035 }8036 8037 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {8038 ret = ath11k_mac_monitor_stop(ar);8039 if (ret) {8040 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d",8041 ret);8042 mutex_unlock(&ar->conf_mutex);8043 return;8044 }8045 8046 arvif->is_started = false;8047 mutex_unlock(&ar->conf_mutex);8048 return;8049 }8050 8051 if (arvif->is_started) {8052 ret = ath11k_mac_vdev_stop(arvif);8053 if (ret)8054 ath11k_warn(ab, "failed to stop vdev %i: %d\n",8055 arvif->vdev_id, ret);8056 8057 arvif->is_started = false;8058 }8059 8060 if (ab->hw_params.vdev_start_delay &&8061 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)8062 ath11k_wmi_vdev_down(ar, arvif->vdev_id);8063 8064 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&8065 ar->num_started_vdevs == 1 &&8066 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) {8067 ret = ath11k_mac_monitor_stop(ar);8068 if (ret)8069 /* continue even if there's an error */8070 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d",8071 ret);8072 }8073 8074 if (arvif->vdev_type == WMI_VDEV_TYPE_STA)8075 ath11k_mac_11d_scan_start(ar, arvif->vdev_id);8076 8077 mutex_unlock(&ar->conf_mutex);8078}8079 8080static int8081ath11k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,8082 struct ieee80211_vif_chanctx_switch *vifs,8083 int n_vifs,8084 enum ieee80211_chanctx_switch_mode mode)8085{8086 struct ath11k *ar = hw->priv;8087 8088 mutex_lock(&ar->conf_mutex);8089 8090 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,8091 "chanctx switch n_vifs %d mode %d\n",8092 n_vifs, mode);8093 ath11k_mac_update_vif_chan(ar, vifs, n_vifs);8094 8095 mutex_unlock(&ar->conf_mutex);8096 8097 return 0;8098}8099 8100static int8101ath11k_set_vdev_param_to_all_vifs(struct ath11k *ar, int param, u32 value)8102{8103 struct ath11k_vif *arvif;8104 int ret = 0;8105 8106 mutex_lock(&ar->conf_mutex);8107 list_for_each_entry(arvif, &ar->arvifs, list) {8108 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting mac vdev %d param %d value %d\n",8109 param, arvif->vdev_id, value);8110 8111 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8112 param, value);8113 if (ret) {8114 ath11k_warn(ar->ab, "failed to set param %d for vdev %d: %d\n",8115 param, arvif->vdev_id, ret);8116 break;8117 }8118 }8119 mutex_unlock(&ar->conf_mutex);8120 return ret;8121}8122 8123/* mac80211 stores device specific RTS/Fragmentation threshold value,8124 * this is set interface specific to firmware from ath11k driver8125 */8126static int ath11k_mac_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)8127{8128 struct ath11k *ar = hw->priv;8129 int param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;8130 8131 return ath11k_set_vdev_param_to_all_vifs(ar, param_id, value);8132}8133 8134static int ath11k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)8135{8136 /* Even though there's a WMI vdev param for fragmentation threshold no8137 * known firmware actually implements it. Moreover it is not possible to8138 * rely frame fragmentation to mac80211 because firmware clears the8139 * "more fragments" bit in frame control making it impossible for remote8140 * devices to reassemble frames.8141 *8142 * Hence implement a dummy callback just to say fragmentation isn't8143 * supported. This effectively prevents mac80211 from doing frame8144 * fragmentation in software.8145 */8146 return -EOPNOTSUPP;8147}8148 8149static int ath11k_mac_flush_tx_complete(struct ath11k *ar)8150{8151 long time_left;8152 int ret = 0;8153 8154 time_left = wait_event_timeout(ar->dp.tx_empty_waitq,8155 (atomic_read(&ar->dp.num_tx_pending) == 0),8156 ATH11K_FLUSH_TIMEOUT);8157 if (time_left == 0) {8158 ath11k_warn(ar->ab, "failed to flush transmit queue, data pkts pending %d\n",8159 atomic_read(&ar->dp.num_tx_pending));8160 ret = -ETIMEDOUT;8161 }8162 8163 time_left = wait_event_timeout(ar->txmgmt_empty_waitq,8164 (atomic_read(&ar->num_pending_mgmt_tx) == 0),8165 ATH11K_FLUSH_TIMEOUT);8166 if (time_left == 0) {8167 ath11k_warn(ar->ab, "failed to flush mgmt transmit queue, mgmt pkts pending %d\n",8168 atomic_read(&ar->num_pending_mgmt_tx));8169 ret = -ETIMEDOUT;8170 }8171 8172 return ret;8173}8174 8175int ath11k_mac_wait_tx_complete(struct ath11k *ar)8176{8177 ath11k_mac_drain_tx(ar);8178 return ath11k_mac_flush_tx_complete(ar);8179}8180 8181static void ath11k_mac_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,8182 u32 queues, bool drop)8183{8184 struct ath11k *ar = hw->priv;8185 8186 if (drop)8187 return;8188 8189 ath11k_mac_flush_tx_complete(ar);8190}8191 8192static bool8193ath11k_mac_has_single_legacy_rate(struct ath11k *ar,8194 enum nl80211_band band,8195 const struct cfg80211_bitrate_mask *mask)8196{8197 int num_rates = 0;8198 8199 num_rates = hweight32(mask->control[band].legacy);8200 8201 if (ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask))8202 return false;8203 8204 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask))8205 return false;8206 8207 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask))8208 return false;8209 8210 return num_rates == 1;8211}8212 8213static __le168214ath11k_mac_get_tx_mcs_map(const struct ieee80211_sta_he_cap *he_cap)8215{8216 if (he_cap->he_cap_elem.phy_cap_info[0] &8217 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)8218 return he_cap->he_mcs_nss_supp.tx_mcs_80p80;8219 8220 if (he_cap->he_cap_elem.phy_cap_info[0] &8221 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)8222 return he_cap->he_mcs_nss_supp.tx_mcs_160;8223 8224 return he_cap->he_mcs_nss_supp.tx_mcs_80;8225}8226 8227static bool8228ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar,8229 struct ath11k_vif *arvif,8230 enum nl80211_band band,8231 const struct cfg80211_bitrate_mask *mask,8232 int *nss)8233{8234 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];8235 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);8236 const struct ieee80211_sta_he_cap *he_cap;8237 u16 he_mcs_map = 0;8238 u8 ht_nss_mask = 0;8239 u8 vht_nss_mask = 0;8240 u8 he_nss_mask = 0;8241 int i;8242 8243 /* No need to consider legacy here. Basic rates are always present8244 * in bitrate mask8245 */8246 8247 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {8248 if (mask->control[band].ht_mcs[i] == 0)8249 continue;8250 else if (mask->control[band].ht_mcs[i] ==8251 sband->ht_cap.mcs.rx_mask[i])8252 ht_nss_mask |= BIT(i);8253 else8254 return false;8255 }8256 8257 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {8258 if (mask->control[band].vht_mcs[i] == 0)8259 continue;8260 else if (mask->control[band].vht_mcs[i] ==8261 ath11k_mac_get_max_vht_mcs_map(vht_mcs_map, i))8262 vht_nss_mask |= BIT(i);8263 else8264 return false;8265 }8266 8267 he_cap = ieee80211_get_he_iftype_cap_vif(sband, arvif->vif);8268 if (!he_cap)8269 return false;8270 8271 he_mcs_map = le16_to_cpu(ath11k_mac_get_tx_mcs_map(he_cap));8272 8273 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) {8274 if (mask->control[band].he_mcs[i] == 0)8275 continue;8276 8277 if (mask->control[band].he_mcs[i] ==8278 ath11k_mac_get_max_he_mcs_map(he_mcs_map, i))8279 he_nss_mask |= BIT(i);8280 else8281 return false;8282 }8283 8284 if (ht_nss_mask != vht_nss_mask || ht_nss_mask != he_nss_mask)8285 return false;8286 8287 if (ht_nss_mask == 0)8288 return false;8289 8290 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)8291 return false;8292 8293 *nss = fls(ht_nss_mask);8294 8295 return true;8296}8297 8298static int8299ath11k_mac_get_single_legacy_rate(struct ath11k *ar,8300 enum nl80211_band band,8301 const struct cfg80211_bitrate_mask *mask,8302 u32 *rate, u8 *nss)8303{8304 int rate_idx;8305 u16 bitrate;8306 u8 preamble;8307 u8 hw_rate;8308 8309 if (hweight32(mask->control[band].legacy) != 1)8310 return -EINVAL;8311 8312 rate_idx = ffs(mask->control[band].legacy) - 1;8313 8314 if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ)8315 rate_idx += ATH11K_MAC_FIRST_OFDM_RATE_IDX;8316 8317 hw_rate = ath11k_legacy_rates[rate_idx].hw_value;8318 bitrate = ath11k_legacy_rates[rate_idx].bitrate;8319 8320 if (ath11k_mac_bitrate_is_cck(bitrate))8321 preamble = WMI_RATE_PREAMBLE_CCK;8322 else8323 preamble = WMI_RATE_PREAMBLE_OFDM;8324 8325 *nss = 1;8326 *rate = ATH11K_HW_RATE_CODE(hw_rate, 0, preamble);8327 8328 return 0;8329}8330 8331static int8332ath11k_mac_set_fixed_rate_gi_ltf(struct ath11k_vif *arvif, u8 he_gi, u8 he_ltf)8333{8334 struct ath11k *ar = arvif->ar;8335 int ret;8336 8337 /* 0.8 = 0, 1.6 = 2 and 3.2 = 3. */8338 if (he_gi && he_gi != 0xFF)8339 he_gi += 1;8340 8341 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8342 WMI_VDEV_PARAM_SGI, he_gi);8343 if (ret) {8344 ath11k_warn(ar->ab, "failed to set he gi %d: %d\n",8345 he_gi, ret);8346 return ret;8347 }8348 /* start from 1 */8349 if (he_ltf != 0xFF)8350 he_ltf += 1;8351 8352 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8353 WMI_VDEV_PARAM_HE_LTF, he_ltf);8354 if (ret) {8355 ath11k_warn(ar->ab, "failed to set he ltf %d: %d\n",8356 he_ltf, ret);8357 return ret;8358 }8359 8360 return 0;8361}8362 8363static int8364ath11k_mac_set_auto_rate_gi_ltf(struct ath11k_vif *arvif, u16 he_gi, u8 he_ltf)8365{8366 struct ath11k *ar = arvif->ar;8367 int ret;8368 u32 he_ar_gi_ltf;8369 8370 if (he_gi != 0xFF) {8371 switch (he_gi) {8372 case NL80211_RATE_INFO_HE_GI_0_8:8373 he_gi = WMI_AUTORATE_800NS_GI;8374 break;8375 case NL80211_RATE_INFO_HE_GI_1_6:8376 he_gi = WMI_AUTORATE_1600NS_GI;8377 break;8378 case NL80211_RATE_INFO_HE_GI_3_2:8379 he_gi = WMI_AUTORATE_3200NS_GI;8380 break;8381 default:8382 ath11k_warn(ar->ab, "invalid he gi: %d\n", he_gi);8383 return -EINVAL;8384 }8385 }8386 8387 if (he_ltf != 0xFF) {8388 switch (he_ltf) {8389 case NL80211_RATE_INFO_HE_1XLTF:8390 he_ltf = WMI_HE_AUTORATE_LTF_1X;8391 break;8392 case NL80211_RATE_INFO_HE_2XLTF:8393 he_ltf = WMI_HE_AUTORATE_LTF_2X;8394 break;8395 case NL80211_RATE_INFO_HE_4XLTF:8396 he_ltf = WMI_HE_AUTORATE_LTF_4X;8397 break;8398 default:8399 ath11k_warn(ar->ab, "invalid he ltf: %d\n", he_ltf);8400 return -EINVAL;8401 }8402 }8403 8404 he_ar_gi_ltf = he_gi | he_ltf;8405 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8406 WMI_VDEV_PARAM_AUTORATE_MISC_CFG,8407 he_ar_gi_ltf);8408 if (ret) {8409 ath11k_warn(ar->ab,8410 "failed to set he autorate gi %u ltf %u: %d\n",8411 he_gi, he_ltf, ret);8412 return ret;8413 }8414 8415 return 0;8416}8417 8418static int ath11k_mac_set_rate_params(struct ath11k_vif *arvif,8419 u32 rate, u8 nss, u8 sgi, u8 ldpc,8420 u8 he_gi, u8 he_ltf, bool he_fixed_rate)8421{8422 struct ath11k *ar = arvif->ar;8423 u32 vdev_param;8424 int ret;8425 8426 lockdep_assert_held(&ar->conf_mutex);8427 8428 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,8429 "set rate params vdev %i rate 0x%02x nss 0x%02x sgi 0x%02x ldpc 0x%02x he_gi 0x%02x he_ltf 0x%02x he_fixed_rate %d\n",8430 arvif->vdev_id, rate, nss, sgi, ldpc, he_gi,8431 he_ltf, he_fixed_rate);8432 8433 if (!arvif->vif->bss_conf.he_support) {8434 vdev_param = WMI_VDEV_PARAM_FIXED_RATE;8435 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8436 vdev_param, rate);8437 if (ret) {8438 ath11k_warn(ar->ab, "failed to set fixed rate param 0x%02x: %d\n",8439 rate, ret);8440 return ret;8441 }8442 }8443 8444 vdev_param = WMI_VDEV_PARAM_NSS;8445 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8446 vdev_param, nss);8447 if (ret) {8448 ath11k_warn(ar->ab, "failed to set nss param %d: %d\n",8449 nss, ret);8450 return ret;8451 }8452 8453 vdev_param = WMI_VDEV_PARAM_LDPC;8454 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8455 vdev_param, ldpc);8456 if (ret) {8457 ath11k_warn(ar->ab, "failed to set ldpc param %d: %d\n",8458 ldpc, ret);8459 return ret;8460 }8461 8462 if (arvif->vif->bss_conf.he_support) {8463 if (he_fixed_rate) {8464 ret = ath11k_mac_set_fixed_rate_gi_ltf(arvif, he_gi,8465 he_ltf);8466 if (ret) {8467 ath11k_warn(ar->ab, "failed to set fixed rate gi ltf: %d\n",8468 ret);8469 return ret;8470 }8471 } else {8472 ret = ath11k_mac_set_auto_rate_gi_ltf(arvif, he_gi,8473 he_ltf);8474 if (ret) {8475 ath11k_warn(ar->ab, "failed to set auto rate gi ltf: %d\n",8476 ret);8477 return ret;8478 }8479 }8480 } else {8481 vdev_param = WMI_VDEV_PARAM_SGI;8482 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,8483 vdev_param, sgi);8484 if (ret) {8485 ath11k_warn(ar->ab, "failed to set sgi param %d: %d\n",8486 sgi, ret);8487 return ret;8488 }8489 }8490 8491 return 0;8492}8493 8494static bool8495ath11k_mac_vht_mcs_range_present(struct ath11k *ar,8496 enum nl80211_band band,8497 const struct cfg80211_bitrate_mask *mask)8498{8499 int i;8500 u16 vht_mcs;8501 8502 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {8503 vht_mcs = mask->control[band].vht_mcs[i];8504 8505 switch (vht_mcs) {8506 case 0:8507 case BIT(8) - 1:8508 case BIT(9) - 1:8509 case BIT(10) - 1:8510 break;8511 default:8512 return false;8513 }8514 }8515 8516 return true;8517}8518 8519static bool8520ath11k_mac_he_mcs_range_present(struct ath11k *ar,8521 enum nl80211_band band,8522 const struct cfg80211_bitrate_mask *mask)8523{8524 int i;8525 u16 he_mcs;8526 8527 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {8528 he_mcs = mask->control[band].he_mcs[i];8529 8530 switch (he_mcs) {8531 case 0:8532 case BIT(8) - 1:8533 case BIT(10) - 1:8534 case BIT(12) - 1:8535 break;8536 default:8537 return false;8538 }8539 }8540 8541 return true;8542}8543 8544static void ath11k_mac_set_bitrate_mask_iter(void *data,8545 struct ieee80211_sta *sta)8546{8547 struct ath11k_vif *arvif = data;8548 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);8549 struct ath11k *ar = arvif->ar;8550 8551 spin_lock_bh(&ar->data_lock);8552 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;8553 spin_unlock_bh(&ar->data_lock);8554 8555 ieee80211_queue_work(ar->hw, &arsta->update_wk);8556}8557 8558static void ath11k_mac_disable_peer_fixed_rate(void *data,8559 struct ieee80211_sta *sta)8560{8561 struct ath11k_vif *arvif = data;8562 struct ath11k *ar = arvif->ar;8563 int ret;8564 8565 ret = ath11k_wmi_set_peer_param(ar, sta->addr,8566 arvif->vdev_id,8567 WMI_PEER_PARAM_FIXED_RATE,8568 WMI_FIXED_RATE_NONE);8569 if (ret)8570 ath11k_warn(ar->ab,8571 "failed to disable peer fixed rate for STA %pM ret %d\n",8572 sta->addr, ret);8573}8574 8575static bool8576ath11k_mac_validate_vht_he_fixed_rate_settings(struct ath11k *ar, enum nl80211_band band,8577 const struct cfg80211_bitrate_mask *mask)8578{8579 bool he_fixed_rate = false, vht_fixed_rate = false;8580 struct ath11k_peer *peer;8581 const u16 *vht_mcs_mask, *he_mcs_mask;8582 struct ieee80211_link_sta *deflink;8583 u8 vht_nss, he_nss;8584 bool ret = true;8585 8586 vht_mcs_mask = mask->control[band].vht_mcs;8587 he_mcs_mask = mask->control[band].he_mcs;8588 8589 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask) == 1)8590 vht_fixed_rate = true;8591 8592 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask) == 1)8593 he_fixed_rate = true;8594 8595 if (!vht_fixed_rate && !he_fixed_rate)8596 return true;8597 8598 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask);8599 he_nss = ath11k_mac_max_he_nss(he_mcs_mask);8600 8601 rcu_read_lock();8602 spin_lock_bh(&ar->ab->base_lock);8603 list_for_each_entry(peer, &ar->ab->peers, list) {8604 if (peer->sta) {8605 deflink = &peer->sta->deflink;8606 8607 if (vht_fixed_rate && (!deflink->vht_cap.vht_supported ||8608 deflink->rx_nss < vht_nss)) {8609 ret = false;8610 goto out;8611 }8612 8613 if (he_fixed_rate && (!deflink->he_cap.has_he ||8614 deflink->rx_nss < he_nss)) {8615 ret = false;8616 goto out;8617 }8618 }8619 }8620 8621out:8622 spin_unlock_bh(&ar->ab->base_lock);8623 rcu_read_unlock();8624 return ret;8625}8626 8627static int8628ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,8629 struct ieee80211_vif *vif,8630 const struct cfg80211_bitrate_mask *mask)8631{8632 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);8633 struct cfg80211_chan_def def;8634 struct ath11k_pdev_cap *cap;8635 struct ath11k *ar = arvif->ar;8636 enum nl80211_band band;8637 const u8 *ht_mcs_mask;8638 const u16 *vht_mcs_mask;8639 const u16 *he_mcs_mask;8640 u8 he_ltf = 0;8641 u8 he_gi = 0;8642 u32 rate;8643 u8 nss;8644 u8 sgi;8645 u8 ldpc;8646 int single_nss;8647 int ret;8648 int num_rates;8649 bool he_fixed_rate = false;8650 8651 if (ath11k_mac_vif_chan(vif, &def))8652 return -EPERM;8653 8654 band = def.chan->band;8655 cap = &ar->pdev->cap;8656 ht_mcs_mask = mask->control[band].ht_mcs;8657 vht_mcs_mask = mask->control[band].vht_mcs;8658 he_mcs_mask = mask->control[band].he_mcs;8659 ldpc = !!(cap->band[band].ht_cap_info & WMI_HT_CAP_TX_LDPC);8660 8661 sgi = mask->control[band].gi;8662 if (sgi == NL80211_TXRATE_FORCE_LGI)8663 return -EINVAL;8664 8665 he_gi = mask->control[band].he_gi;8666 he_ltf = mask->control[band].he_ltf;8667 8668 /* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it8669 * requires passing at least one of used basic rates along with them.8670 * Fixed rate setting across different preambles(legacy, HT, VHT) is8671 * not supported by the FW. Hence use of FIXED_RATE vdev param is not8672 * suitable for setting single HT/VHT rates.8673 * But, there could be a single basic rate passed from userspace which8674 * can be done through the FIXED_RATE param.8675 */8676 if (ath11k_mac_has_single_legacy_rate(ar, band, mask)) {8677 ret = ath11k_mac_get_single_legacy_rate(ar, band, mask, &rate,8678 &nss);8679 if (ret) {8680 ath11k_warn(ar->ab, "failed to get single legacy rate for vdev %i: %d\n",8681 arvif->vdev_id, ret);8682 return ret;8683 }8684 ieee80211_iterate_stations_atomic(ar->hw,8685 ath11k_mac_disable_peer_fixed_rate,8686 arvif);8687 } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, arvif, band, mask,8688 &single_nss)) {8689 rate = WMI_FIXED_RATE_NONE;8690 nss = single_nss;8691 mutex_lock(&ar->conf_mutex);8692 arvif->bitrate_mask = *mask;8693 ieee80211_iterate_stations_atomic(ar->hw,8694 ath11k_mac_set_bitrate_mask_iter,8695 arvif);8696 mutex_unlock(&ar->conf_mutex);8697 } else {8698 rate = WMI_FIXED_RATE_NONE;8699 8700 if (!ath11k_mac_validate_vht_he_fixed_rate_settings(ar, band, mask))8701 ath11k_warn(ar->ab,8702 "could not update fixed rate settings to all peers due to mcs/nss incompatibility\n");8703 nss = min_t(u32, ar->num_tx_chains,8704 ath11k_mac_max_nss(ht_mcs_mask, vht_mcs_mask, he_mcs_mask));8705 8706 /* If multiple rates across different preambles are given8707 * we can reconfigure this info with all peers using PEER_ASSOC8708 * command with the below exception cases.8709 * - Single VHT Rate : peer_assoc command accommodates only MCS8710 * range values i.e 0-7, 0-8, 0-9 for VHT. Though mac802118711 * mandates passing basic rates along with HT/VHT rates, FW8712 * doesn't allow switching from VHT to Legacy. Hence instead of8713 * setting legacy and VHT rates using RATEMASK_CMD vdev cmd,8714 * we could set this VHT rate as peer fixed rate param, which8715 * will override FIXED rate and FW rate control algorithm.8716 * If single VHT rate is passed along with HT rates, we select8717 * the VHT rate as fixed rate for vht peers.8718 * - Multiple VHT Rates : When Multiple VHT rates are given,this8719 * can be set using RATEMASK CMD which uses FW rate-ctl alg.8720 * TODO: Setting multiple VHT MCS and replacing peer_assoc with8721 * RATEMASK_CMDID can cover all use cases of setting rates8722 * across multiple preambles and rates within same type.8723 * But requires more validation of the command at this point.8724 */8725 8726 num_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band,8727 mask);8728 8729 if (!ath11k_mac_vht_mcs_range_present(ar, band, mask) &&8730 num_rates > 1) {8731 /* TODO: Handle multiple VHT MCS values setting using8732 * RATEMASK CMD8733 */8734 ath11k_warn(ar->ab,8735 "setting %d mcs values in bitrate mask not supported\n",8736 num_rates);8737 return -EINVAL;8738 }8739 8740 num_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band,8741 mask);8742 if (num_rates == 1)8743 he_fixed_rate = true;8744 8745 if (!ath11k_mac_he_mcs_range_present(ar, band, mask) &&8746 num_rates > 1) {8747 ath11k_warn(ar->ab,8748 "Setting more than one HE MCS Value in bitrate mask not supported\n");8749 return -EINVAL;8750 }8751 8752 mutex_lock(&ar->conf_mutex);8753 ieee80211_iterate_stations_atomic(ar->hw,8754 ath11k_mac_disable_peer_fixed_rate,8755 arvif);8756 8757 arvif->bitrate_mask = *mask;8758 ieee80211_iterate_stations_atomic(ar->hw,8759 ath11k_mac_set_bitrate_mask_iter,8760 arvif);8761 8762 mutex_unlock(&ar->conf_mutex);8763 }8764 8765 mutex_lock(&ar->conf_mutex);8766 8767 ret = ath11k_mac_set_rate_params(arvif, rate, nss, sgi, ldpc, he_gi,8768 he_ltf, he_fixed_rate);8769 if (ret) {8770 ath11k_warn(ar->ab, "failed to set rate params on vdev %i: %d\n",8771 arvif->vdev_id, ret);8772 }8773 8774 mutex_unlock(&ar->conf_mutex);8775 8776 return ret;8777}8778 8779static void8780ath11k_mac_op_reconfig_complete(struct ieee80211_hw *hw,8781 enum ieee80211_reconfig_type reconfig_type)8782{8783 struct ath11k *ar = hw->priv;8784 struct ath11k_base *ab = ar->ab;8785 int recovery_count;8786 struct ath11k_vif *arvif;8787 8788 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)8789 return;8790 8791 mutex_lock(&ar->conf_mutex);8792 8793 if (ar->state == ATH11K_STATE_RESTARTED) {8794 ath11k_warn(ar->ab, "pdev %d successfully recovered\n",8795 ar->pdev->pdev_id);8796 ar->state = ATH11K_STATE_ON;8797 ieee80211_wake_queues(ar->hw);8798 8799 if (ar->ab->hw_params.current_cc_support &&8800 ar->alpha2[0] != 0 && ar->alpha2[1] != 0)8801 ath11k_reg_set_cc(ar);8802 8803 if (ab->is_reset) {8804 recovery_count = atomic_inc_return(&ab->recovery_count);8805 ath11k_dbg(ab, ATH11K_DBG_BOOT,8806 "recovery count %d\n", recovery_count);8807 /* When there are multiple radios in an SOC,8808 * the recovery has to be done for each radio8809 */8810 if (recovery_count == ab->num_radios) {8811 atomic_dec(&ab->reset_count);8812 complete(&ab->reset_complete);8813 ab->is_reset = false;8814 atomic_set(&ab->fail_cont_count, 0);8815 ath11k_dbg(ab, ATH11K_DBG_BOOT, "reset success\n");8816 }8817 }8818 if (ar->ab->hw_params.support_fw_mac_sequence) {8819 list_for_each_entry(arvif, &ar->arvifs, list) {8820 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_STA)8821 ieee80211_hw_restart_disconnect(arvif->vif);8822 }8823 }8824 }8825 8826 mutex_unlock(&ar->conf_mutex);8827}8828 8829static void8830ath11k_mac_update_bss_chan_survey(struct ath11k *ar,8831 struct ieee80211_channel *channel)8832{8833 int ret;8834 enum wmi_bss_chan_info_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ;8835 8836 lockdep_assert_held(&ar->conf_mutex);8837 8838 if (!test_bit(WMI_TLV_SERVICE_BSS_CHANNEL_INFO_64, ar->ab->wmi_ab.svc_map) ||8839 ar->rx_channel != channel)8840 return;8841 8842 if (ar->scan.state != ATH11K_SCAN_IDLE) {8843 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,8844 "ignoring bss chan info req while scanning..\n");8845 return;8846 }8847 8848 reinit_completion(&ar->bss_survey_done);8849 8850 ret = ath11k_wmi_pdev_bss_chan_info_request(ar, type);8851 if (ret) {8852 ath11k_warn(ar->ab, "failed to send pdev bss chan info request\n");8853 return;8854 }8855 8856 ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ);8857 if (ret == 0)8858 ath11k_warn(ar->ab, "bss channel survey timed out\n");8859}8860 8861static int ath11k_mac_op_get_survey(struct ieee80211_hw *hw, int idx,8862 struct survey_info *survey)8863{8864 struct ath11k *ar = hw->priv;8865 struct ieee80211_supported_band *sband;8866 struct survey_info *ar_survey;8867 int ret = 0;8868 8869 if (idx >= ATH11K_NUM_CHANS)8870 return -ENOENT;8871 8872 ar_survey = &ar->survey[idx];8873 8874 mutex_lock(&ar->conf_mutex);8875 8876 sband = hw->wiphy->bands[NL80211_BAND_2GHZ];8877 if (sband && idx >= sband->n_channels) {8878 idx -= sband->n_channels;8879 sband = NULL;8880 }8881 8882 if (!sband)8883 sband = hw->wiphy->bands[NL80211_BAND_5GHZ];8884 if (sband && idx >= sband->n_channels) {8885 idx -= sband->n_channels;8886 sband = NULL;8887 }8888 8889 if (!sband)8890 sband = hw->wiphy->bands[NL80211_BAND_6GHZ];8891 if (!sband || idx >= sband->n_channels) {8892 ret = -ENOENT;8893 goto exit;8894 }8895 8896 ath11k_mac_update_bss_chan_survey(ar, &sband->channels[idx]);8897 8898 spin_lock_bh(&ar->data_lock);8899 memcpy(survey, ar_survey, sizeof(*survey));8900 spin_unlock_bh(&ar->data_lock);8901 8902 survey->channel = &sband->channels[idx];8903 8904 if (ar->rx_channel == survey->channel)8905 survey->filled |= SURVEY_INFO_IN_USE;8906 8907exit:8908 mutex_unlock(&ar->conf_mutex);8909 return ret;8910}8911 8912static void ath11k_mac_put_chain_rssi(struct station_info *sinfo,8913 struct ath11k_sta *arsta,8914 char *pre,8915 bool clear)8916{8917 struct ath11k *ar = arsta->arvif->ar;8918 int i;8919 s8 rssi;8920 8921 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {8922 sinfo->chains &= ~BIT(i);8923 rssi = arsta->chain_signal[i];8924 if (clear)8925 arsta->chain_signal[i] = ATH11K_INVALID_RSSI_FULL;8926 8927 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,8928 "sta statistics %s rssi[%d] %d\n", pre, i, rssi);8929 8930 if (rssi != ATH11K_DEFAULT_NOISE_FLOOR &&8931 rssi != ATH11K_INVALID_RSSI_FULL &&8932 rssi != ATH11K_INVALID_RSSI_EMPTY &&8933 rssi != 0) {8934 sinfo->chain_signal[i] = rssi;8935 sinfo->chains |= BIT(i);8936 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL);8937 }8938 }8939}8940 8941static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw,8942 struct ieee80211_vif *vif,8943 struct ieee80211_sta *sta,8944 struct station_info *sinfo)8945{8946 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);8947 struct ath11k *ar = arsta->arvif->ar;8948 s8 signal;8949 bool db2dbm = test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,8950 ar->ab->wmi_ab.svc_map);8951 8952 sinfo->rx_duration = arsta->rx_duration;8953 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);8954 8955 sinfo->tx_duration = arsta->tx_duration;8956 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);8957 8958 if (arsta->txrate.legacy || arsta->txrate.nss) {8959 if (arsta->txrate.legacy) {8960 sinfo->txrate.legacy = arsta->txrate.legacy;8961 } else {8962 sinfo->txrate.mcs = arsta->txrate.mcs;8963 sinfo->txrate.nss = arsta->txrate.nss;8964 sinfo->txrate.bw = arsta->txrate.bw;8965 sinfo->txrate.he_gi = arsta->txrate.he_gi;8966 sinfo->txrate.he_dcm = arsta->txrate.he_dcm;8967 sinfo->txrate.he_ru_alloc = arsta->txrate.he_ru_alloc;8968 }8969 sinfo->txrate.flags = arsta->txrate.flags;8970 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);8971 }8972 8973 ath11k_mac_put_chain_rssi(sinfo, arsta, "ppdu", false);8974 8975 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) &&8976 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA &&8977 ar->ab->hw_params.supports_rssi_stats &&8978 !ath11k_debugfs_get_fw_stats(ar, ar->pdev->pdev_id, 0,8979 WMI_REQUEST_RSSI_PER_CHAIN_STAT)) {8980 ath11k_mac_put_chain_rssi(sinfo, arsta, "fw stats", true);8981 }8982 8983 signal = arsta->rssi_comb;8984 if (!signal &&8985 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA &&8986 ar->ab->hw_params.supports_rssi_stats &&8987 !(ath11k_debugfs_get_fw_stats(ar, ar->pdev->pdev_id, 0,8988 WMI_REQUEST_VDEV_STAT)))8989 signal = arsta->rssi_beacon;8990 8991 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,8992 "sta statistics db2dbm %u rssi comb %d rssi beacon %d\n",8993 db2dbm, arsta->rssi_comb, arsta->rssi_beacon);8994 8995 if (signal) {8996 sinfo->signal = db2dbm ? signal : signal + ATH11K_DEFAULT_NOISE_FLOOR;8997 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);8998 }8999 9000 sinfo->signal_avg = ewma_avg_rssi_read(&arsta->avg_rssi);9001 9002 if (!db2dbm)9003 sinfo->signal_avg += ATH11K_DEFAULT_NOISE_FLOOR;9004 9005 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);9006}9007 9008#if IS_ENABLED(CONFIG_IPV6)9009static void ath11k_generate_ns_mc_addr(struct ath11k *ar,9010 struct ath11k_arp_ns_offload *offload)9011{9012 int i;9013 9014 for (i = 0; i < offload->ipv6_count; i++) {9015 offload->self_ipv6_addr[i][0] = 0xff;9016 offload->self_ipv6_addr[i][1] = 0x02;9017 offload->self_ipv6_addr[i][11] = 0x01;9018 offload->self_ipv6_addr[i][12] = 0xff;9019 offload->self_ipv6_addr[i][13] =9020 offload->ipv6_addr[i][13];9021 offload->self_ipv6_addr[i][14] =9022 offload->ipv6_addr[i][14];9023 offload->self_ipv6_addr[i][15] =9024 offload->ipv6_addr[i][15];9025 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "NS solicited addr %pI6\n",9026 offload->self_ipv6_addr[i]);9027 }9028}9029 9030static void ath11k_mac_op_ipv6_changed(struct ieee80211_hw *hw,9031 struct ieee80211_vif *vif,9032 struct inet6_dev *idev)9033{9034 struct ath11k *ar = hw->priv;9035 struct ath11k_arp_ns_offload *offload;9036 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);9037 struct inet6_ifaddr *ifa6;9038 struct ifacaddr6 *ifaca6;9039 u32 count, scope;9040 9041 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "op ipv6 changed\n");9042 9043 offload = &arvif->arp_ns_offload;9044 count = 0;9045 9046 /* The _ipv6_changed() is called with RCU lock already held in9047 * atomic_notifier_call_chain(), so we don't need to call9048 * rcu_read_lock() again here. But note that with CONFIG_PREEMPT_RT9049 * enabled, read_lock_bh() also calls rcu_read_lock(). This is OK9050 * because RCU read critical section is allowed to get nested.9051 */9052 read_lock_bh(&idev->lock);9053 9054 memset(offload->ipv6_addr, 0, sizeof(offload->ipv6_addr));9055 memset(offload->self_ipv6_addr, 0, sizeof(offload->self_ipv6_addr));9056 memcpy(offload->mac_addr, vif->addr, ETH_ALEN);9057 9058 /* get unicast address */9059 list_for_each_entry(ifa6, &idev->addr_list, if_list) {9060 if (count >= ATH11K_IPV6_MAX_COUNT)9061 goto generate;9062 9063 if (ifa6->flags & IFA_F_DADFAILED)9064 continue;9065 scope = ipv6_addr_src_scope(&ifa6->addr);9066 if (scope == IPV6_ADDR_SCOPE_LINKLOCAL ||9067 scope == IPV6_ADDR_SCOPE_GLOBAL) {9068 memcpy(offload->ipv6_addr[count], &ifa6->addr.s6_addr,9069 sizeof(ifa6->addr.s6_addr));9070 offload->ipv6_type[count] = ATH11K_IPV6_UC_TYPE;9071 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "count %d ipv6 uc %pI6 scope %d\n",9072 count, offload->ipv6_addr[count],9073 scope);9074 count++;9075 } else {9076 ath11k_warn(ar->ab, "Unsupported ipv6 scope: %d\n", scope);9077 }9078 }9079 9080 /* get anycast address */9081 for (ifaca6 = rcu_dereference(idev->ac_list); ifaca6;9082 ifaca6 = rcu_dereference(ifaca6->aca_next)) {9083 if (count >= ATH11K_IPV6_MAX_COUNT)9084 goto generate;9085 9086 scope = ipv6_addr_src_scope(&ifaca6->aca_addr);9087 if (scope == IPV6_ADDR_SCOPE_LINKLOCAL ||9088 scope == IPV6_ADDR_SCOPE_GLOBAL) {9089 memcpy(offload->ipv6_addr[count], &ifaca6->aca_addr,9090 sizeof(ifaca6->aca_addr));9091 offload->ipv6_type[count] = ATH11K_IPV6_AC_TYPE;9092 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "count %d ipv6 ac %pI6 scope %d\n",9093 count, offload->ipv6_addr[count],9094 scope);9095 count++;9096 } else {9097 ath11k_warn(ar->ab, "Unsupported ipv scope: %d\n", scope);9098 }9099 }9100 9101generate:9102 offload->ipv6_count = count;9103 read_unlock_bh(&idev->lock);9104 9105 /* generate ns multicast address */9106 ath11k_generate_ns_mc_addr(ar, offload);9107}9108#endif9109 9110static void ath11k_mac_op_set_rekey_data(struct ieee80211_hw *hw,9111 struct ieee80211_vif *vif,9112 struct cfg80211_gtk_rekey_data *data)9113{9114 struct ath11k *ar = hw->priv;9115 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);9116 struct ath11k_rekey_data *rekey_data = &arvif->rekey_data;9117 9118 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "set rekey data vdev %d\n",9119 arvif->vdev_id);9120 9121 mutex_lock(&ar->conf_mutex);9122 9123 memcpy(rekey_data->kck, data->kck, NL80211_KCK_LEN);9124 memcpy(rekey_data->kek, data->kek, NL80211_KEK_LEN);9125 9126 /* The supplicant works on big-endian, the firmware expects it on9127 * little endian.9128 */9129 rekey_data->replay_ctr = get_unaligned_be64(data->replay_ctr);9130 9131 arvif->rekey_data.enable_offload = true;9132 9133 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "kck", NULL,9134 rekey_data->kck, NL80211_KCK_LEN);9135 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "kek", NULL,9136 rekey_data->kck, NL80211_KEK_LEN);9137 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "replay ctr", NULL,9138 &rekey_data->replay_ctr, sizeof(rekey_data->replay_ctr));9139 9140 mutex_unlock(&ar->conf_mutex);9141}9142 9143static int ath11k_mac_op_set_bios_sar_specs(struct ieee80211_hw *hw,9144 const struct cfg80211_sar_specs *sar)9145{9146 struct ath11k *ar = hw->priv;9147 const struct cfg80211_sar_sub_specs *sspec;9148 int ret, index;9149 u8 *sar_tbl;9150 u32 i;9151 9152 if (!sar || sar->type != NL80211_SAR_TYPE_POWER ||9153 sar->num_sub_specs == 0)9154 return -EINVAL;9155 9156 mutex_lock(&ar->conf_mutex);9157 9158 if (!test_bit(WMI_TLV_SERVICE_BIOS_SAR_SUPPORT, ar->ab->wmi_ab.svc_map) ||9159 !ar->ab->hw_params.bios_sar_capa) {9160 ret = -EOPNOTSUPP;9161 goto exit;9162 }9163 9164 ret = ath11k_wmi_pdev_set_bios_geo_table_param(ar);9165 if (ret) {9166 ath11k_warn(ar->ab, "failed to set geo table: %d\n", ret);9167 goto exit;9168 }9169 9170 sar_tbl = kzalloc(BIOS_SAR_TABLE_LEN, GFP_KERNEL);9171 if (!sar_tbl) {9172 ret = -ENOMEM;9173 goto exit;9174 }9175 9176 sspec = sar->sub_specs;9177 for (i = 0; i < sar->num_sub_specs; i++) {9178 if (sspec->freq_range_index >= (BIOS_SAR_TABLE_LEN >> 1)) {9179 ath11k_warn(ar->ab, "Ignore bad frequency index %u, max allowed %u\n",9180 sspec->freq_range_index, BIOS_SAR_TABLE_LEN >> 1);9181 continue;9182 }9183 9184 /* chain0 and chain1 share same power setting */9185 sar_tbl[sspec->freq_range_index] = sspec->power;9186 index = sspec->freq_range_index + (BIOS_SAR_TABLE_LEN >> 1);9187 sar_tbl[index] = sspec->power;9188 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "sar tbl[%d] = %d\n",9189 sspec->freq_range_index, sar_tbl[sspec->freq_range_index]);9190 sspec++;9191 }9192 9193 ret = ath11k_wmi_pdev_set_bios_sar_table_param(ar, sar_tbl);9194 if (ret)9195 ath11k_warn(ar->ab, "failed to set sar power: %d", ret);9196 9197 kfree(sar_tbl);9198exit:9199 mutex_unlock(&ar->conf_mutex);9200 9201 return ret;9202}9203 9204static int ath11k_mac_op_cancel_remain_on_channel(struct ieee80211_hw *hw,9205 struct ieee80211_vif *vif)9206{9207 struct ath11k *ar = hw->priv;9208 9209 mutex_lock(&ar->conf_mutex);9210 9211 spin_lock_bh(&ar->data_lock);9212 ar->scan.roc_notify = false;9213 spin_unlock_bh(&ar->data_lock);9214 9215 ath11k_scan_abort(ar);9216 9217 mutex_unlock(&ar->conf_mutex);9218 9219 cancel_delayed_work_sync(&ar->scan.timeout);9220 9221 return 0;9222}9223 9224static int ath11k_mac_op_remain_on_channel(struct ieee80211_hw *hw,9225 struct ieee80211_vif *vif,9226 struct ieee80211_channel *chan,9227 int duration,9228 enum ieee80211_roc_type type)9229{9230 struct ath11k *ar = hw->priv;9231 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);9232 struct scan_req_params *arg;9233 int ret;9234 u32 scan_time_msec;9235 9236 mutex_lock(&ar->conf_mutex);9237 9238 spin_lock_bh(&ar->data_lock);9239 switch (ar->scan.state) {9240 case ATH11K_SCAN_IDLE:9241 reinit_completion(&ar->scan.started);9242 reinit_completion(&ar->scan.completed);9243 reinit_completion(&ar->scan.on_channel);9244 ar->scan.state = ATH11K_SCAN_STARTING;9245 ar->scan.is_roc = true;9246 ar->scan.vdev_id = arvif->vdev_id;9247 ar->scan.roc_freq = chan->center_freq;9248 ar->scan.roc_notify = true;9249 ret = 0;9250 break;9251 case ATH11K_SCAN_STARTING:9252 case ATH11K_SCAN_RUNNING:9253 case ATH11K_SCAN_ABORTING:9254 ret = -EBUSY;9255 break;9256 }9257 spin_unlock_bh(&ar->data_lock);9258 9259 if (ret)9260 goto exit;9261 9262 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;9263 9264 arg = kzalloc(sizeof(*arg), GFP_KERNEL);9265 if (!arg) {9266 ret = -ENOMEM;9267 goto exit;9268 }9269 ath11k_wmi_start_scan_init(ar, arg);9270 arg->num_chan = 1;9271 arg->chan_list = kcalloc(arg->num_chan, sizeof(*arg->chan_list),9272 GFP_KERNEL);9273 if (!arg->chan_list) {9274 ret = -ENOMEM;9275 goto free_arg;9276 }9277 9278 arg->vdev_id = arvif->vdev_id;9279 arg->scan_id = ATH11K_SCAN_ID;9280 arg->chan_list[0] = chan->center_freq;9281 arg->dwell_time_active = scan_time_msec;9282 arg->dwell_time_passive = scan_time_msec;9283 arg->max_scan_time = scan_time_msec;9284 arg->scan_f_passive = 1;9285 arg->burst_duration = duration;9286 9287 if (!ar->ab->hw_params.single_pdev_only)9288 arg->scan_f_filter_prb_req = 1;9289 9290 ret = ath11k_start_scan(ar, arg);9291 if (ret) {9292 ath11k_warn(ar->ab, "failed to start roc scan: %d\n", ret);9293 9294 spin_lock_bh(&ar->data_lock);9295 ar->scan.state = ATH11K_SCAN_IDLE;9296 spin_unlock_bh(&ar->data_lock);9297 goto free_chan_list;9298 }9299 9300 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3 * HZ);9301 if (ret == 0) {9302 ath11k_warn(ar->ab, "failed to switch to channel for roc scan\n");9303 ret = ath11k_scan_stop(ar);9304 if (ret)9305 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret);9306 ret = -ETIMEDOUT;9307 goto free_chan_list;9308 }9309 9310 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,9311 msecs_to_jiffies(duration));9312 9313 ret = 0;9314 9315free_chan_list:9316 kfree(arg->chan_list);9317free_arg:9318 kfree(arg);9319exit:9320 mutex_unlock(&ar->conf_mutex);9321 return ret;9322}9323 9324static int ath11k_fw_stats_request(struct ath11k *ar,9325 struct stats_request_params *req_param)9326{9327 struct ath11k_base *ab = ar->ab;9328 unsigned long time_left;9329 int ret;9330 9331 lockdep_assert_held(&ar->conf_mutex);9332 9333 spin_lock_bh(&ar->data_lock);9334 ar->fw_stats_done = false;9335 ath11k_fw_stats_pdevs_free(&ar->fw_stats.pdevs);9336 spin_unlock_bh(&ar->data_lock);9337 9338 reinit_completion(&ar->fw_stats_complete);9339 9340 ret = ath11k_wmi_send_stats_request_cmd(ar, req_param);9341 if (ret) {9342 ath11k_warn(ab, "could not request fw stats (%d)\n",9343 ret);9344 return ret;9345 }9346 9347 time_left = wait_for_completion_timeout(&ar->fw_stats_complete,9348 1 * HZ);9349 9350 if (!time_left)9351 return -ETIMEDOUT;9352 9353 return 0;9354}9355 9356static int ath11k_mac_op_get_txpower(struct ieee80211_hw *hw,9357 struct ieee80211_vif *vif,9358 int *dbm)9359{9360 struct ath11k *ar = hw->priv;9361 struct ath11k_base *ab = ar->ab;9362 struct stats_request_params req_param = {0};9363 struct ath11k_fw_stats_pdev *pdev;9364 int ret;9365 9366 /* Final Tx power is minimum of Target Power, CTL power, Regulatory9367 * Power, PSD EIRP Power. We just know the Regulatory power from the9368 * regulatory rules obtained. FW knows all these power and sets the min9369 * of these. Hence, we request the FW pdev stats in which FW reports9370 * the minimum of all vdev's channel Tx power.9371 */9372 mutex_lock(&ar->conf_mutex);9373 9374 if (ar->state != ATH11K_STATE_ON)9375 goto err_fallback;9376 9377 /* Firmware doesn't provide Tx power during CAC hence no need to fetch9378 * the stats.9379 */9380 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) {9381 mutex_unlock(&ar->conf_mutex);9382 return -EAGAIN;9383 }9384 9385 req_param.pdev_id = ar->pdev->pdev_id;9386 req_param.stats_id = WMI_REQUEST_PDEV_STAT;9387 9388 ret = ath11k_fw_stats_request(ar, &req_param);9389 if (ret) {9390 ath11k_warn(ab, "failed to request fw pdev stats: %d\n", ret);9391 goto err_fallback;9392 }9393 9394 spin_lock_bh(&ar->data_lock);9395 pdev = list_first_entry_or_null(&ar->fw_stats.pdevs,9396 struct ath11k_fw_stats_pdev, list);9397 if (!pdev) {9398 spin_unlock_bh(&ar->data_lock);9399 goto err_fallback;9400 }9401 9402 /* tx power is set as 2 units per dBm in FW. */9403 *dbm = pdev->chan_tx_power / 2;9404 9405 spin_unlock_bh(&ar->data_lock);9406 mutex_unlock(&ar->conf_mutex);9407 9408 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower from firmware %d, reported %d dBm\n",9409 pdev->chan_tx_power, *dbm);9410 return 0;9411 9412err_fallback:9413 mutex_unlock(&ar->conf_mutex);9414 /* We didn't get txpower from FW. Hence, relying on vif->bss_conf.txpower */9415 *dbm = vif->bss_conf.txpower;9416 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower from firmware NaN, reported %d dBm\n",9417 *dbm);9418 return 0;9419}9420 9421static int ath11k_mac_station_add(struct ath11k *ar,9422 struct ieee80211_vif *vif,9423 struct ieee80211_sta *sta)9424{9425 struct ath11k_base *ab = ar->ab;9426 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);9427 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);9428 struct peer_create_params peer_param;9429 int ret;9430 9431 lockdep_assert_held(&ar->conf_mutex);9432 9433 ret = ath11k_mac_inc_num_stations(arvif, sta);9434 if (ret) {9435 ath11k_warn(ab, "refusing to associate station: too many connected already (%d)\n",9436 ar->max_num_stations);9437 goto exit;9438 }9439 9440 arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL);9441 if (!arsta->rx_stats) {9442 ret = -ENOMEM;9443 goto dec_num_station;9444 }9445 9446 peer_param.vdev_id = arvif->vdev_id;9447 peer_param.peer_addr = sta->addr;9448 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;9449 9450 ret = ath11k_peer_create(ar, arvif, sta, &peer_param);9451 if (ret) {9452 ath11k_warn(ab, "Failed to add peer: %pM for VDEV: %d\n",9453 sta->addr, arvif->vdev_id);9454 goto free_rx_stats;9455 }9456 9457 ath11k_dbg(ab, ATH11K_DBG_MAC, "Added peer: %pM for VDEV: %d\n",9458 sta->addr, arvif->vdev_id);9459 9460 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar)) {9461 arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), GFP_KERNEL);9462 if (!arsta->tx_stats) {9463 ret = -ENOMEM;9464 goto free_peer;9465 }9466 }9467 9468 if (ieee80211_vif_is_mesh(vif)) {9469 ath11k_dbg(ab, ATH11K_DBG_MAC,9470 "setting USE_4ADDR for mesh STA %pM\n", sta->addr);9471 ret = ath11k_wmi_set_peer_param(ar, sta->addr,9472 arvif->vdev_id,9473 WMI_PEER_USE_4ADDR, 1);9474 if (ret) {9475 ath11k_warn(ab, "failed to set mesh STA %pM 4addr capability: %d\n",9476 sta->addr, ret);9477 goto free_tx_stats;9478 }9479 }9480 9481 ret = ath11k_dp_peer_setup(ar, arvif->vdev_id, sta->addr);9482 if (ret) {9483 ath11k_warn(ab, "failed to setup dp for peer %pM on vdev %i (%d)\n",9484 sta->addr, arvif->vdev_id, ret);9485 goto free_tx_stats;9486 }9487 9488 if (ab->hw_params.vdev_start_delay &&9489 !arvif->is_started &&9490 arvif->vdev_type != WMI_VDEV_TYPE_AP) {9491 ret = ath11k_mac_start_vdev_delay(ar->hw, vif);9492 if (ret) {9493 ath11k_warn(ab, "failed to delay vdev start: %d\n", ret);9494 goto free_tx_stats;9495 }9496 }9497 9498 ewma_avg_rssi_init(&arsta->avg_rssi);9499 return 0;9500 9501free_tx_stats:9502 kfree(arsta->tx_stats);9503 arsta->tx_stats = NULL;9504free_peer:9505 ath11k_peer_delete(ar, arvif->vdev_id, sta->addr);9506free_rx_stats:9507 kfree(arsta->rx_stats);9508 arsta->rx_stats = NULL;9509dec_num_station:9510 ath11k_mac_dec_num_stations(arvif, sta);9511exit:9512 return ret;9513}9514 9515static int ath11k_mac_station_remove(struct ath11k *ar,9516 struct ieee80211_vif *vif,9517 struct ieee80211_sta *sta)9518{9519 struct ath11k_base *ab = ar->ab;9520 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);9521 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);9522 int ret;9523 9524 if (ab->hw_params.vdev_start_delay &&9525 arvif->is_started &&9526 arvif->vdev_type != WMI_VDEV_TYPE_AP) {9527 ret = ath11k_mac_stop_vdev_early(ar->hw, vif);9528 if (ret) {9529 ath11k_warn(ab, "failed to do early vdev stop: %d\n", ret);9530 return ret;9531 }9532 }9533 9534 ath11k_dp_peer_cleanup(ar, arvif->vdev_id, sta->addr);9535 9536 ret = ath11k_peer_delete(ar, arvif->vdev_id, sta->addr);9537 if (ret)9538 ath11k_warn(ab, "Failed to delete peer: %pM for VDEV: %d\n",9539 sta->addr, arvif->vdev_id);9540 else9541 ath11k_dbg(ab, ATH11K_DBG_MAC, "Removed peer: %pM for VDEV: %d\n",9542 sta->addr, arvif->vdev_id);9543 9544 ath11k_mac_dec_num_stations(arvif, sta);9545 9546 kfree(arsta->tx_stats);9547 arsta->tx_stats = NULL;9548 9549 kfree(arsta->rx_stats);9550 arsta->rx_stats = NULL;9551 9552 return ret;9553}9554 9555static int ath11k_mac_op_sta_state(struct ieee80211_hw *hw,9556 struct ieee80211_vif *vif,9557 struct ieee80211_sta *sta,9558 enum ieee80211_sta_state old_state,9559 enum ieee80211_sta_state new_state)9560{9561 struct ath11k *ar = hw->priv;9562 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);9563 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);9564 enum ieee80211_ap_reg_power power_type;9565 struct cur_regulatory_info *reg_info;9566 struct ath11k_peer *peer;9567 int ret = 0;9568 9569 /* cancel must be done outside the mutex to avoid deadlock */9570 if ((old_state == IEEE80211_STA_NONE &&9571 new_state == IEEE80211_STA_NOTEXIST)) {9572 cancel_work_sync(&arsta->update_wk);9573 cancel_work_sync(&arsta->set_4addr_wk);9574 }9575 9576 mutex_lock(&ar->conf_mutex);9577 9578 if (old_state == IEEE80211_STA_NOTEXIST &&9579 new_state == IEEE80211_STA_NONE) {9580 memset(arsta, 0, sizeof(*arsta));9581 arsta->arvif = arvif;9582 arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED;9583 INIT_WORK(&arsta->update_wk, ath11k_sta_rc_update_wk);9584 INIT_WORK(&arsta->set_4addr_wk, ath11k_sta_set_4addr_wk);9585 9586 ret = ath11k_mac_station_add(ar, vif, sta);9587 if (ret)9588 ath11k_warn(ar->ab, "Failed to add station: %pM for VDEV: %d\n",9589 sta->addr, arvif->vdev_id);9590 } else if ((old_state == IEEE80211_STA_NONE &&9591 new_state == IEEE80211_STA_NOTEXIST)) {9592 ret = ath11k_mac_station_remove(ar, vif, sta);9593 if (ret)9594 ath11k_warn(ar->ab, "Failed to remove station: %pM for VDEV: %d\n",9595 sta->addr, arvif->vdev_id);9596 9597 mutex_lock(&ar->ab->tbl_mtx_lock);9598 spin_lock_bh(&ar->ab->base_lock);9599 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);9600 if (peer && peer->sta == sta) {9601 ath11k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n",9602 vif->addr, arvif->vdev_id);9603 ath11k_peer_rhash_delete(ar->ab, peer);9604 peer->sta = NULL;9605 list_del(&peer->list);9606 kfree(peer);9607 ar->num_peers--;9608 }9609 spin_unlock_bh(&ar->ab->base_lock);9610 mutex_unlock(&ar->ab->tbl_mtx_lock);9611 } else if (old_state == IEEE80211_STA_AUTH &&9612 new_state == IEEE80211_STA_ASSOC &&9613 (vif->type == NL80211_IFTYPE_AP ||9614 vif->type == NL80211_IFTYPE_MESH_POINT ||9615 vif->type == NL80211_IFTYPE_ADHOC)) {9616 ret = ath11k_station_assoc(ar, vif, sta, false);9617 if (ret)9618 ath11k_warn(ar->ab, "Failed to associate station: %pM\n",9619 sta->addr);9620 9621 spin_lock_bh(&ar->data_lock);9622 /* Set arsta bw and prev bw */9623 arsta->bw = ath11k_mac_ieee80211_sta_bw_to_wmi(ar, sta);9624 arsta->bw_prev = arsta->bw;9625 spin_unlock_bh(&ar->data_lock);9626 } else if (old_state == IEEE80211_STA_ASSOC &&9627 new_state == IEEE80211_STA_AUTHORIZED) {9628 spin_lock_bh(&ar->ab->base_lock);9629 9630 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);9631 if (peer)9632 peer->is_authorized = true;9633 9634 spin_unlock_bh(&ar->ab->base_lock);9635 9636 if (vif->type == NL80211_IFTYPE_STATION && arvif->is_up) {9637 ret = ath11k_wmi_set_peer_param(ar, sta->addr,9638 arvif->vdev_id,9639 WMI_PEER_AUTHORIZE,9640 1);9641 if (ret)9642 ath11k_warn(ar->ab, "Unable to authorize peer %pM vdev %d: %d\n",9643 sta->addr, arvif->vdev_id, ret);9644 }9645 9646 if (!ret &&9647 ath11k_wmi_supports_6ghz_cc_ext(ar) &&9648 arvif->vdev_type == WMI_VDEV_TYPE_STA &&9649 arvif->chanctx.def.chan &&9650 arvif->chanctx.def.chan->band == NL80211_BAND_6GHZ) {9651 reg_info = &ar->ab->reg_info_store[ar->pdev_idx];9652 power_type = vif->bss_conf.power_type;9653 9654 if (power_type == IEEE80211_REG_UNSET_AP) {9655 ath11k_warn(ar->ab, "invalid power type %d\n",9656 power_type);9657 ret = -EINVAL;9658 } else {9659 ret = ath11k_reg_handle_chan_list(ar->ab,9660 reg_info,9661 power_type);9662 if (ret)9663 ath11k_warn(ar->ab,9664 "failed to handle chan list with power type %d\n",9665 power_type);9666 }9667 }9668 } else if (old_state == IEEE80211_STA_AUTHORIZED &&9669 new_state == IEEE80211_STA_ASSOC) {9670 spin_lock_bh(&ar->ab->base_lock);9671 9672 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);9673 if (peer)9674 peer->is_authorized = false;9675 9676 spin_unlock_bh(&ar->ab->base_lock);9677 } else if (old_state == IEEE80211_STA_ASSOC &&9678 new_state == IEEE80211_STA_AUTH &&9679 (vif->type == NL80211_IFTYPE_AP ||9680 vif->type == NL80211_IFTYPE_MESH_POINT ||9681 vif->type == NL80211_IFTYPE_ADHOC)) {9682 ret = ath11k_station_disassoc(ar, vif, sta);9683 if (ret)9684 ath11k_warn(ar->ab, "Failed to disassociate station: %pM\n",9685 sta->addr);9686 }9687 9688 mutex_unlock(&ar->conf_mutex);9689 return ret;9690}9691 9692static const struct ieee80211_ops ath11k_ops = {9693 .tx = ath11k_mac_op_tx,9694 .wake_tx_queue = ieee80211_handle_wake_tx_queue,9695 .start = ath11k_mac_op_start,9696 .stop = ath11k_mac_op_stop,9697 .reconfig_complete = ath11k_mac_op_reconfig_complete,9698 .add_interface = ath11k_mac_op_add_interface,9699 .remove_interface = ath11k_mac_op_remove_interface,9700 .update_vif_offload = ath11k_mac_op_update_vif_offload,9701 .config = ath11k_mac_op_config,9702 .bss_info_changed = ath11k_mac_op_bss_info_changed,9703 .configure_filter = ath11k_mac_op_configure_filter,9704 .hw_scan = ath11k_mac_op_hw_scan,9705 .cancel_hw_scan = ath11k_mac_op_cancel_hw_scan,9706 .set_key = ath11k_mac_op_set_key,9707 .set_rekey_data = ath11k_mac_op_set_rekey_data,9708 .sta_state = ath11k_mac_op_sta_state,9709 .sta_set_4addr = ath11k_mac_op_sta_set_4addr,9710 .sta_set_txpwr = ath11k_mac_op_sta_set_txpwr,9711 .sta_rc_update = ath11k_mac_op_sta_rc_update,9712 .conf_tx = ath11k_mac_op_conf_tx,9713 .set_antenna = ath11k_mac_op_set_antenna,9714 .get_antenna = ath11k_mac_op_get_antenna,9715 .ampdu_action = ath11k_mac_op_ampdu_action,9716 .add_chanctx = ath11k_mac_op_add_chanctx,9717 .remove_chanctx = ath11k_mac_op_remove_chanctx,9718 .change_chanctx = ath11k_mac_op_change_chanctx,9719 .assign_vif_chanctx = ath11k_mac_op_assign_vif_chanctx,9720 .unassign_vif_chanctx = ath11k_mac_op_unassign_vif_chanctx,9721 .switch_vif_chanctx = ath11k_mac_op_switch_vif_chanctx,9722 .set_rts_threshold = ath11k_mac_op_set_rts_threshold,9723 .set_frag_threshold = ath11k_mac_op_set_frag_threshold,9724 .set_bitrate_mask = ath11k_mac_op_set_bitrate_mask,9725 .get_survey = ath11k_mac_op_get_survey,9726 .flush = ath11k_mac_op_flush,9727 .sta_statistics = ath11k_mac_op_sta_statistics,9728 CFG80211_TESTMODE_CMD(ath11k_tm_cmd)9729 9730#ifdef CONFIG_PM9731 .suspend = ath11k_wow_op_suspend,9732 .resume = ath11k_wow_op_resume,9733 .set_wakeup = ath11k_wow_op_set_wakeup,9734#endif9735 9736#ifdef CONFIG_ATH11K_DEBUGFS9737 .vif_add_debugfs = ath11k_debugfs_op_vif_add,9738 .sta_add_debugfs = ath11k_debugfs_sta_op_add,9739#endif9740 9741#if IS_ENABLED(CONFIG_IPV6)9742 .ipv6_addr_change = ath11k_mac_op_ipv6_changed,9743#endif9744 .get_txpower = ath11k_mac_op_get_txpower,9745 9746 .set_sar_specs = ath11k_mac_op_set_bios_sar_specs,9747 .remain_on_channel = ath11k_mac_op_remain_on_channel,9748 .cancel_remain_on_channel = ath11k_mac_op_cancel_remain_on_channel,9749};9750 9751static void ath11k_mac_update_ch_list(struct ath11k *ar,9752 struct ieee80211_supported_band *band,9753 u32 freq_low, u32 freq_high)9754{9755 int i;9756 9757 if (!(freq_low && freq_high))9758 return;9759 9760 for (i = 0; i < band->n_channels; i++) {9761 if (band->channels[i].center_freq < freq_low ||9762 band->channels[i].center_freq > freq_high)9763 band->channels[i].flags |= IEEE80211_CHAN_DISABLED;9764 }9765}9766 9767static u32 ath11k_get_phy_id(struct ath11k *ar, u32 band)9768{9769 struct ath11k_pdev *pdev = ar->pdev;9770 struct ath11k_pdev_cap *pdev_cap = &pdev->cap;9771 9772 if (band == WMI_HOST_WLAN_2G_CAP)9773 return pdev_cap->band[NL80211_BAND_2GHZ].phy_id;9774 9775 if (band == WMI_HOST_WLAN_5G_CAP)9776 return pdev_cap->band[NL80211_BAND_5GHZ].phy_id;9777 9778 ath11k_warn(ar->ab, "unsupported phy cap:%d\n", band);9779 9780 return 0;9781}9782 9783static int ath11k_mac_setup_channels_rates(struct ath11k *ar,9784 u32 supported_bands)9785{9786 struct ieee80211_supported_band *band;9787 struct ath11k_hal_reg_capabilities_ext *reg_cap, *temp_reg_cap;9788 void *channels;9789 u32 phy_id;9790 9791 BUILD_BUG_ON((ARRAY_SIZE(ath11k_2ghz_channels) +9792 ARRAY_SIZE(ath11k_5ghz_channels) +9793 ARRAY_SIZE(ath11k_6ghz_channels)) !=9794 ATH11K_NUM_CHANS);9795 9796 reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx];9797 temp_reg_cap = reg_cap;9798 9799 if (supported_bands & WMI_HOST_WLAN_2G_CAP) {9800 channels = kmemdup(ath11k_2ghz_channels,9801 sizeof(ath11k_2ghz_channels),9802 GFP_KERNEL);9803 if (!channels)9804 return -ENOMEM;9805 9806 band = &ar->mac.sbands[NL80211_BAND_2GHZ];9807 band->band = NL80211_BAND_2GHZ;9808 band->n_channels = ARRAY_SIZE(ath11k_2ghz_channels);9809 band->channels = channels;9810 band->n_bitrates = ath11k_g_rates_size;9811 band->bitrates = ath11k_g_rates;9812 ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band;9813 9814 if (ar->ab->hw_params.single_pdev_only) {9815 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_2G_CAP);9816 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id];9817 }9818 ath11k_mac_update_ch_list(ar, band,9819 temp_reg_cap->low_2ghz_chan,9820 temp_reg_cap->high_2ghz_chan);9821 }9822 9823 if (supported_bands & WMI_HOST_WLAN_5G_CAP) {9824 if (reg_cap->high_5ghz_chan >= ATH11K_MIN_6G_FREQ) {9825 channels = kmemdup(ath11k_6ghz_channels,9826 sizeof(ath11k_6ghz_channels), GFP_KERNEL);9827 if (!channels) {9828 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);9829 return -ENOMEM;9830 }9831 9832 ar->supports_6ghz = true;9833 band = &ar->mac.sbands[NL80211_BAND_6GHZ];9834 band->band = NL80211_BAND_6GHZ;9835 band->n_channels = ARRAY_SIZE(ath11k_6ghz_channels);9836 band->channels = channels;9837 band->n_bitrates = ath11k_a_rates_size;9838 band->bitrates = ath11k_a_rates;9839 ar->hw->wiphy->bands[NL80211_BAND_6GHZ] = band;9840 9841 if (ar->ab->hw_params.single_pdev_only) {9842 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP);9843 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id];9844 }9845 9846 ath11k_mac_update_ch_list(ar, band,9847 temp_reg_cap->low_5ghz_chan,9848 temp_reg_cap->high_5ghz_chan);9849 }9850 9851 if (reg_cap->low_5ghz_chan < ATH11K_MIN_6G_FREQ) {9852 channels = kmemdup(ath11k_5ghz_channels,9853 sizeof(ath11k_5ghz_channels),9854 GFP_KERNEL);9855 if (!channels) {9856 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);9857 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);9858 return -ENOMEM;9859 }9860 9861 band = &ar->mac.sbands[NL80211_BAND_5GHZ];9862 band->band = NL80211_BAND_5GHZ;9863 band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels);9864 band->channels = channels;9865 band->n_bitrates = ath11k_a_rates_size;9866 band->bitrates = ath11k_a_rates;9867 ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;9868 9869 if (ar->ab->hw_params.single_pdev_only) {9870 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP);9871 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id];9872 }9873 9874 ath11k_mac_update_ch_list(ar, band,9875 temp_reg_cap->low_5ghz_chan,9876 temp_reg_cap->high_5ghz_chan);9877 }9878 }9879 9880 return 0;9881}9882 9883static void ath11k_mac_setup_mac_address_list(struct ath11k *ar)9884{9885 struct mac_address *addresses;9886 u16 n_addresses;9887 int i;9888 9889 if (!ar->ab->hw_params.support_dual_stations)9890 return;9891 9892 n_addresses = ar->ab->hw_params.num_vdevs;9893 addresses = kcalloc(n_addresses, sizeof(*addresses), GFP_KERNEL);9894 if (!addresses)9895 return;9896 9897 memcpy(addresses[0].addr, ar->mac_addr, ETH_ALEN);9898 for (i = 1; i < n_addresses; i++) {9899 memcpy(addresses[i].addr, ar->mac_addr, ETH_ALEN);9900 /* set Local Administered Address bit */9901 addresses[i].addr[0] |= 0x2;9902 9903 addresses[i].addr[0] += (i - 1) << 4;9904 }9905 9906 ar->hw->wiphy->addresses = addresses;9907 ar->hw->wiphy->n_addresses = n_addresses;9908}9909 9910static int ath11k_mac_setup_iface_combinations(struct ath11k *ar)9911{9912 struct ath11k_base *ab = ar->ab;9913 struct ieee80211_iface_combination *combinations;9914 struct ieee80211_iface_limit *limits;9915 int n_limits;9916 bool p2p;9917 9918 p2p = ab->hw_params.interface_modes & BIT(NL80211_IFTYPE_P2P_DEVICE);9919 9920 combinations = kzalloc(sizeof(*combinations), GFP_KERNEL);9921 if (!combinations)9922 return -ENOMEM;9923 9924 if (p2p)9925 n_limits = 3;9926 else9927 n_limits = 2;9928 9929 limits = kcalloc(n_limits, sizeof(*limits), GFP_KERNEL);9930 if (!limits) {9931 kfree(combinations);9932 return -ENOMEM;9933 }9934 9935 limits[0].types |= BIT(NL80211_IFTYPE_STATION);9936 limits[1].types |= BIT(NL80211_IFTYPE_AP);9937 if (IS_ENABLED(CONFIG_MAC80211_MESH) &&9938 ab->hw_params.interface_modes & BIT(NL80211_IFTYPE_MESH_POINT))9939 limits[1].types |= BIT(NL80211_IFTYPE_MESH_POINT);9940 9941 combinations[0].limits = limits;9942 combinations[0].n_limits = n_limits;9943 combinations[0].beacon_int_infra_match = true;9944 combinations[0].beacon_int_min_gcd = 100;9945 9946 if (ab->hw_params.support_dual_stations) {9947 limits[0].max = 2;9948 limits[1].max = 1;9949 9950 combinations[0].max_interfaces = ab->hw_params.num_vdevs;9951 combinations[0].num_different_channels = 2;9952 } else {9953 limits[0].max = 1;9954 limits[1].max = 16;9955 9956 combinations[0].max_interfaces = 16;9957 combinations[0].num_different_channels = 1;9958 combinations[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |9959 BIT(NL80211_CHAN_WIDTH_20) |9960 BIT(NL80211_CHAN_WIDTH_40) |9961 BIT(NL80211_CHAN_WIDTH_80) |9962 BIT(NL80211_CHAN_WIDTH_80P80) |9963 BIT(NL80211_CHAN_WIDTH_160);9964 }9965 9966 if (p2p) {9967 limits[1].types |= BIT(NL80211_IFTYPE_P2P_CLIENT) |9968 BIT(NL80211_IFTYPE_P2P_GO);9969 limits[2].max = 1;9970 limits[2].types |= BIT(NL80211_IFTYPE_P2P_DEVICE);9971 }9972 9973 ar->hw->wiphy->iface_combinations = combinations;9974 ar->hw->wiphy->n_iface_combinations = 1;9975 9976 return 0;9977}9978 9979static const u8 ath11k_if_types_ext_capa[] = {9980 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,9981 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,9982 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,9983};9984 9985static const u8 ath11k_if_types_ext_capa_sta[] = {9986 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,9987 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,9988 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,9989 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,9990};9991 9992static const u8 ath11k_if_types_ext_capa_ap[] = {9993 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,9994 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,9995 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,9996 [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT,9997 [10] = WLAN_EXT_CAPA11_EMA_SUPPORT,9998};9999 10000static const struct wiphy_iftype_ext_capab ath11k_iftypes_ext_capa[] = {10001 {10002 .extended_capabilities = ath11k_if_types_ext_capa,10003 .extended_capabilities_mask = ath11k_if_types_ext_capa,10004 .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa),10005 }, {10006 .iftype = NL80211_IFTYPE_STATION,10007 .extended_capabilities = ath11k_if_types_ext_capa_sta,10008 .extended_capabilities_mask = ath11k_if_types_ext_capa_sta,10009 .extended_capabilities_len =10010 sizeof(ath11k_if_types_ext_capa_sta),10011 }, {10012 .iftype = NL80211_IFTYPE_AP,10013 .extended_capabilities = ath11k_if_types_ext_capa_ap,10014 .extended_capabilities_mask = ath11k_if_types_ext_capa_ap,10015 .extended_capabilities_len =10016 sizeof(ath11k_if_types_ext_capa_ap),10017 },10018};10019 10020static void __ath11k_mac_unregister(struct ath11k *ar)10021{10022 cancel_work_sync(&ar->regd_update_work);10023 10024 ieee80211_unregister_hw(ar->hw);10025 10026 idr_for_each(&ar->txmgmt_idr, ath11k_mac_tx_mgmt_pending_free, ar);10027 idr_destroy(&ar->txmgmt_idr);10028 10029 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);10030 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);10031 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);10032 10033 kfree(ar->hw->wiphy->iface_combinations[0].limits);10034 kfree(ar->hw->wiphy->iface_combinations);10035 10036 kfree(ar->hw->wiphy->addresses);10037 10038 SET_IEEE80211_DEV(ar->hw, NULL);10039}10040 10041void ath11k_mac_unregister(struct ath11k_base *ab)10042{10043 struct ath11k *ar;10044 struct ath11k_pdev *pdev;10045 int i;10046 10047 for (i = 0; i < ab->num_radios; i++) {10048 pdev = &ab->pdevs[i];10049 ar = pdev->ar;10050 if (!ar)10051 continue;10052 10053 __ath11k_mac_unregister(ar);10054 }10055 10056 ath11k_peer_rhash_tbl_destroy(ab);10057}10058 10059static int __ath11k_mac_register(struct ath11k *ar)10060{10061 struct ath11k_base *ab = ar->ab;10062 struct ath11k_pdev_cap *cap = &ar->pdev->cap;10063 static const u32 cipher_suites[] = {10064 WLAN_CIPHER_SUITE_TKIP,10065 WLAN_CIPHER_SUITE_CCMP,10066 WLAN_CIPHER_SUITE_AES_CMAC,10067 WLAN_CIPHER_SUITE_BIP_CMAC_256,10068 WLAN_CIPHER_SUITE_BIP_GMAC_128,10069 WLAN_CIPHER_SUITE_BIP_GMAC_256,10070 WLAN_CIPHER_SUITE_GCMP,10071 WLAN_CIPHER_SUITE_GCMP_256,10072 WLAN_CIPHER_SUITE_CCMP_256,10073 };10074 int ret;10075 u32 ht_cap = 0;10076 10077 ath11k_pdev_caps_update(ar);10078 10079 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);10080 ath11k_mac_setup_mac_address_list(ar);10081 10082 SET_IEEE80211_DEV(ar->hw, ab->dev);10083 10084 ret = ath11k_mac_setup_channels_rates(ar,10085 cap->supported_bands);10086 if (ret)10087 goto err;10088 10089 wiphy_read_of_freq_limits(ar->hw->wiphy);10090 ath11k_mac_setup_ht_vht_cap(ar, cap, &ht_cap);10091 ath11k_mac_setup_he_cap(ar, cap);10092 10093 ret = ath11k_mac_setup_iface_combinations(ar);10094 if (ret) {10095 ath11k_err(ar->ab, "failed to setup interface combinations: %d\n", ret);10096 goto err_free_channels;10097 }10098 10099 ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask;10100 ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask;10101 10102 ar->hw->wiphy->interface_modes = ab->hw_params.interface_modes;10103 10104 if (ab->hw_params.single_pdev_only && ar->supports_6ghz)10105 ieee80211_hw_set(ar->hw, SINGLE_SCAN_ON_ALL_BANDS);10106 10107 if (ab->hw_params.supports_multi_bssid) {10108 ieee80211_hw_set(ar->hw, SUPPORTS_MULTI_BSSID);10109 ieee80211_hw_set(ar->hw, SUPPORTS_ONLY_HE_MULTI_BSSID);10110 }10111 10112 ieee80211_hw_set(ar->hw, SIGNAL_DBM);10113 ieee80211_hw_set(ar->hw, SUPPORTS_PS);10114 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);10115 ieee80211_hw_set(ar->hw, MFP_CAPABLE);10116 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);10117 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);10118 ieee80211_hw_set(ar->hw, AP_LINK_PS);10119 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);10120 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);10121 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);10122 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);10123 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);10124 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);10125 ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG);10126 ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK);10127 10128 if (ath11k_frame_mode == ATH11K_HW_TXRX_ETHERNET) {10129 ieee80211_hw_set(ar->hw, SUPPORTS_TX_ENCAP_OFFLOAD);10130 ieee80211_hw_set(ar->hw, SUPPORTS_RX_DECAP_OFFLOAD);10131 }10132 10133 if (cap->nss_ratio_enabled)10134 ieee80211_hw_set(ar->hw, SUPPORTS_VHT_EXT_NSS_BW);10135 10136 if ((ht_cap & WMI_HT_CAP_ENABLED) || ar->supports_6ghz) {10137 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);10138 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);10139 ieee80211_hw_set(ar->hw, SUPPORTS_REORDERING_BUFFER);10140 ieee80211_hw_set(ar->hw, SUPPORTS_AMSDU_IN_AMPDU);10141 ieee80211_hw_set(ar->hw, USES_RSS);10142 }10143 10144 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;10145 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;10146 10147 /* TODO: Check if HT capability advertised from firmware is different10148 * for each band for a dual band capable radio. It will be tricky to10149 * handle it when the ht capability different for each band.10150 */10151 if (ht_cap & WMI_HT_CAP_DYNAMIC_SMPS ||10152 (ar->supports_6ghz && ab->hw_params.supports_dynamic_smps_6ghz))10153 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;10154 10155 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;10156 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;10157 10158 ar->hw->max_listen_interval = ATH11K_MAX_HW_LISTEN_INTERVAL;10159 10160 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;10161 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;10162 ar->hw->wiphy->max_remain_on_channel_duration = 5000;10163 10164 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;10165 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |10166 NL80211_FEATURE_AP_SCAN;10167 10168 ar->max_num_stations = TARGET_NUM_STATIONS(ab);10169 ar->max_num_peers = TARGET_NUM_PEERS_PDEV(ab);10170 10171 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;10172 10173 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) {10174 ar->hw->wiphy->features |=10175 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;10176 }10177 10178 if (test_bit(WMI_TLV_SERVICE_NLO, ar->wmi->wmi_ab->svc_map)) {10179 ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS;10180 ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;10181 ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH;10182 ar->hw->wiphy->max_sched_scan_plans = WMI_PNO_MAX_SCHED_SCAN_PLANS;10183 ar->hw->wiphy->max_sched_scan_plan_interval =10184 WMI_PNO_MAX_SCHED_SCAN_PLAN_INT;10185 ar->hw->wiphy->max_sched_scan_plan_iterations =10186 WMI_PNO_MAX_SCHED_SCAN_PLAN_ITRNS;10187 ar->hw->wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;10188 }10189 10190 ret = ath11k_wow_init(ar);10191 if (ret) {10192 ath11k_warn(ar->ab, "failed to init wow: %d\n", ret);10193 goto err_free_if_combs;10194 }10195 10196 if (test_bit(WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI,10197 ar->ab->wmi_ab.svc_map))10198 wiphy_ext_feature_set(ar->hw->wiphy,10199 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);10200 10201 ar->hw->queues = ATH11K_HW_MAX_QUEUES;10202 ar->hw->wiphy->tx_queue_len = ATH11K_QUEUE_LEN;10203 ar->hw->offchannel_tx_hw_queue = ATH11K_HW_MAX_QUEUES - 1;10204 ar->hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;10205 10206 ar->hw->vif_data_size = sizeof(struct ath11k_vif);10207 ar->hw->sta_data_size = sizeof(struct ath11k_sta);10208 10209 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);10210 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_STA_TX_PWR);10211 if (test_bit(WMI_TLV_SERVICE_BSS_COLOR_OFFLOAD,10212 ar->ab->wmi_ab.svc_map)) {10213 wiphy_ext_feature_set(ar->hw->wiphy,10214 NL80211_EXT_FEATURE_BSS_COLOR);10215 ieee80211_hw_set(ar->hw, DETECTS_COLOR_COLLISION);10216 }10217 10218 ar->hw->wiphy->cipher_suites = cipher_suites;10219 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);10220 10221 ar->hw->wiphy->iftype_ext_capab = ath11k_iftypes_ext_capa;10222 ar->hw->wiphy->num_iftype_ext_capab =10223 ARRAY_SIZE(ath11k_iftypes_ext_capa);10224 10225 if (ar->supports_6ghz) {10226 wiphy_ext_feature_set(ar->hw->wiphy,10227 NL80211_EXT_FEATURE_FILS_DISCOVERY);10228 wiphy_ext_feature_set(ar->hw->wiphy,10229 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);10230 }10231 10232 wiphy_ext_feature_set(ar->hw->wiphy,10233 NL80211_EXT_FEATURE_SET_SCAN_DWELL);10234 10235 if (test_bit(WMI_TLV_SERVICE_RTT, ar->ab->wmi_ab.svc_map))10236 wiphy_ext_feature_set(ar->hw->wiphy,10237 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);10238 10239 ar->hw->wiphy->mbssid_max_interfaces = TARGET_NUM_VDEVS(ab);10240 ar->hw->wiphy->ema_max_profile_periodicity = TARGET_EMA_MAX_PROFILE_PERIOD;10241 10242 ath11k_reg_init(ar);10243 10244 if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {10245 ar->hw->netdev_features = NETIF_F_HW_CSUM;10246 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);10247 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);10248 }10249 10250 if (test_bit(WMI_TLV_SERVICE_BIOS_SAR_SUPPORT, ar->ab->wmi_ab.svc_map) &&10251 ab->hw_params.bios_sar_capa)10252 ar->hw->wiphy->sar_capa = ab->hw_params.bios_sar_capa;10253 10254 ret = ieee80211_register_hw(ar->hw);10255 if (ret) {10256 ath11k_err(ar->ab, "ieee80211 registration failed: %d\n", ret);10257 goto err_free_if_combs;10258 }10259 10260 if (!ab->hw_params.supports_monitor)10261 /* There's a race between calling ieee80211_register_hw()10262 * and here where the monitor mode is enabled for a little10263 * while. But that time is so short and in practise it make10264 * a difference in real life.10265 */10266 ar->hw->wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MONITOR);10267 10268 /* Apply the regd received during initialization */10269 ret = ath11k_regd_update(ar);10270 if (ret) {10271 ath11k_err(ar->ab, "ath11k regd update failed: %d\n", ret);10272 goto err_unregister_hw;10273 }10274 10275 if (ab->hw_params.current_cc_support && ab->new_alpha2[0]) {10276 memcpy(&ar->alpha2, ab->new_alpha2, 2);10277 ret = ath11k_reg_set_cc(ar);10278 if (ret)10279 ath11k_warn(ar->ab,10280 "failed set cc code for mac register: %d\n", ret);10281 }10282 10283 ret = ath11k_debugfs_register(ar);10284 if (ret) {10285 ath11k_err(ar->ab, "debugfs registration failed: %d\n", ret);10286 goto err_unregister_hw;10287 }10288 10289 return 0;10290 10291err_unregister_hw:10292 ieee80211_unregister_hw(ar->hw);10293 10294err_free_if_combs:10295 kfree(ar->hw->wiphy->iface_combinations[0].limits);10296 kfree(ar->hw->wiphy->iface_combinations);10297 10298err_free_channels:10299 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);10300 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);10301 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);10302 10303err:10304 SET_IEEE80211_DEV(ar->hw, NULL);10305 return ret;10306}10307 10308int ath11k_mac_register(struct ath11k_base *ab)10309{10310 struct ath11k *ar;10311 struct ath11k_pdev *pdev;10312 int i;10313 int ret;10314 u8 mac_addr[ETH_ALEN] = {0};10315 10316 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))10317 return 0;10318 10319 /* Initialize channel counters frequency value in hertz */10320 ab->cc_freq_hz = IPQ8074_CC_FREQ_HERTZ;10321 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS(ab))) - 1;10322 10323 ret = ath11k_peer_rhash_tbl_init(ab);10324 if (ret)10325 return ret;10326 10327 device_get_mac_address(ab->dev, mac_addr);10328 10329 for (i = 0; i < ab->num_radios; i++) {10330 pdev = &ab->pdevs[i];10331 ar = pdev->ar;10332 if (ab->pdevs_macaddr_valid) {10333 ether_addr_copy(ar->mac_addr, pdev->mac_addr);10334 } else {10335 if (is_zero_ether_addr(mac_addr))10336 ether_addr_copy(ar->mac_addr, ab->mac_addr);10337 else10338 ether_addr_copy(ar->mac_addr, mac_addr);10339 ar->mac_addr[4] += i;10340 }10341 10342 idr_init(&ar->txmgmt_idr);10343 spin_lock_init(&ar->txmgmt_idr_lock);10344 10345 ret = __ath11k_mac_register(ar);10346 if (ret)10347 goto err_cleanup;10348 10349 init_waitqueue_head(&ar->txmgmt_empty_waitq);10350 }10351 10352 return 0;10353 10354err_cleanup:10355 for (i = i - 1; i >= 0; i--) {10356 pdev = &ab->pdevs[i];10357 ar = pdev->ar;10358 __ath11k_mac_unregister(ar);10359 }10360 10361 ath11k_peer_rhash_tbl_destroy(ab);10362 10363 return ret;10364}10365 10366int ath11k_mac_allocate(struct ath11k_base *ab)10367{10368 struct ieee80211_hw *hw;10369 struct ath11k *ar;10370 struct ath11k_pdev *pdev;10371 int ret;10372 int i;10373 10374 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))10375 return 0;10376 10377 for (i = 0; i < ab->num_radios; i++) {10378 pdev = &ab->pdevs[i];10379 hw = ieee80211_alloc_hw(sizeof(struct ath11k), &ath11k_ops);10380 if (!hw) {10381 ath11k_warn(ab, "failed to allocate mac80211 hw device\n");10382 ret = -ENOMEM;10383 goto err_free_mac;10384 }10385 10386 ar = hw->priv;10387 ar->hw = hw;10388 ar->ab = ab;10389 ar->pdev = pdev;10390 ar->pdev_idx = i;10391 ar->lmac_id = ath11k_hw_get_mac_from_pdev_id(&ab->hw_params, i);10392 10393 ar->wmi = &ab->wmi_ab.wmi[i];10394 /* FIXME wmi[0] is already initialized during attach,10395 * Should we do this again?10396 */10397 ath11k_wmi_pdev_attach(ab, i);10398 10399 ar->cfg_tx_chainmask = pdev->cap.tx_chain_mask;10400 ar->cfg_rx_chainmask = pdev->cap.rx_chain_mask;10401 ar->num_tx_chains = get_num_chains(pdev->cap.tx_chain_mask);10402 ar->num_rx_chains = get_num_chains(pdev->cap.rx_chain_mask);10403 10404 pdev->ar = ar;10405 spin_lock_init(&ar->data_lock);10406 INIT_LIST_HEAD(&ar->arvifs);10407 INIT_LIST_HEAD(&ar->ppdu_stats_info);10408 mutex_init(&ar->conf_mutex);10409 init_completion(&ar->vdev_setup_done);10410 init_completion(&ar->vdev_delete_done);10411 init_completion(&ar->peer_assoc_done);10412 init_completion(&ar->peer_delete_done);10413 init_completion(&ar->install_key_done);10414 init_completion(&ar->bss_survey_done);10415 init_completion(&ar->scan.started);10416 init_completion(&ar->scan.completed);10417 init_completion(&ar->scan.on_channel);10418 init_completion(&ar->thermal.wmi_sync);10419 10420 INIT_DELAYED_WORK(&ar->scan.timeout, ath11k_scan_timeout_work);10421 INIT_WORK(&ar->regd_update_work, ath11k_regd_update_work);10422 10423 INIT_WORK(&ar->wmi_mgmt_tx_work, ath11k_mgmt_over_wmi_tx_work);10424 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);10425 10426 clear_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags);10427 10428 ar->monitor_vdev_id = -1;10429 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);10430 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID;10431 init_completion(&ar->completed_11d_scan);10432 10433 ath11k_fw_stats_init(ar);10434 }10435 10436 return 0;10437 10438err_free_mac:10439 ath11k_mac_destroy(ab);10440 10441 return ret;10442}10443 10444void ath11k_mac_destroy(struct ath11k_base *ab)10445{10446 struct ath11k *ar;10447 struct ath11k_pdev *pdev;10448 int i;10449 10450 for (i = 0; i < ab->num_radios; i++) {10451 pdev = &ab->pdevs[i];10452 ar = pdev->ar;10453 if (!ar)10454 continue;10455 10456 ath11k_fw_stats_free(&ar->fw_stats);10457 ieee80211_free_hw(ar->hw);10458 pdev->ar = NULL;10459 }10460}10461 10462int ath11k_mac_vif_set_keepalive(struct ath11k_vif *arvif,10463 enum wmi_sta_keepalive_method method,10464 u32 interval)10465{10466 struct ath11k *ar = arvif->ar;10467 struct wmi_sta_keepalive_arg arg = {};10468 int ret;10469 10470 lockdep_assert_held(&ar->conf_mutex);10471 10472 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)10473 return 0;10474 10475 if (!test_bit(WMI_TLV_SERVICE_STA_KEEP_ALIVE, ar->ab->wmi_ab.svc_map))10476 return 0;10477 10478 arg.vdev_id = arvif->vdev_id;10479 arg.enabled = 1;10480 arg.method = method;10481 arg.interval = interval;10482 10483 ret = ath11k_wmi_sta_keepalive(ar, &arg);10484 if (ret) {10485 ath11k_warn(ar->ab, "failed to set keepalive on vdev %i: %d\n",10486 arvif->vdev_id, ret);10487 return ret;10488 }10489 10490 return 0;10491}10492