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mac.c
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linux-6.19.14/drivers/net/wireless/ath/ath11k/mac.c
1// SPDX-License-Identifier: BSD-3-Clause-Clear 2/* 3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. 4 * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. 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 int 195ath11k_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_FLASG3 238}; 239 240#define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4 241#define ath11k_g_rates ath11k_legacy_rates 242#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 u32 434ath11k_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 u32 446ath11k_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 u32 458ath11k_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 restriction 473 * 1 for 1/4 us 474 * 2 for 1/2 us 475 * 3 for 1 us 476 * 4 for 2 us 477 * 5 for 4 us 478 * 6 for 8 us 479 * 7 for 16 us 480 */ 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 to 488 * 1 microsecond 489 */ 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 else 647 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 else 714 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 until 726 * this is fixed in firmware 727 */ 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 else 751 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 stations 803 * are in BSS) or by default only for second rate series. 804 * TODO: Check if we need to enable CTS 2 Self in any case 805 */ 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 else 811 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 void 913ath11k_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] = {}; 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, int radio_idx, 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 else 1496 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 else 1503 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 (as 1516 * configured above) so remove it from the base beacon 1517 * 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 struct ath11k_vif *ath11k_mac_get_tx_arvif(struct ath11k_vif *arvif) 1533{ 1534 struct ieee80211_bss_conf *link_conf, *tx_bss_conf; 1535 1536 lockdep_assert_wiphy(arvif->ar->hw->wiphy); 1537 1538 link_conf = &arvif->vif->bss_conf; 1539 tx_bss_conf = wiphy_dereference(arvif->ar->hw->wiphy, link_conf->tx_bss_conf); 1540 if (tx_bss_conf) 1541 return ath11k_vif_to_arvif(tx_bss_conf->vif); 1542 1543 return NULL; 1544} 1545 1546static int ath11k_mac_setup_bcn_tmpl_ema(struct ath11k_vif *arvif, 1547 struct ath11k_vif *tx_arvif) 1548{ 1549 struct ieee80211_ema_beacons *beacons; 1550 int ret = 0; 1551 bool nontx_vif_params_set = false; 1552 u32 params = 0; 1553 u8 i = 0; 1554 1555 beacons = ieee80211_beacon_get_template_ema_list(tx_arvif->ar->hw, 1556 tx_arvif->vif, 0); 1557 if (!beacons || !beacons->cnt) { 1558 ath11k_warn(arvif->ar->ab, 1559 "failed to get ema beacon templates from mac80211\n"); 1560 return -EPERM; 1561 } 1562 1563 if (tx_arvif == arvif) { 1564 if (ath11k_mac_set_vif_params(tx_arvif, beacons->bcn[0].skb)) 1565 return -EINVAL; 1566 } else { 1567 arvif->wpaie_present = tx_arvif->wpaie_present; 1568 } 1569 1570 for (i = 0; i < beacons->cnt; i++) { 1571 if (tx_arvif != arvif && !nontx_vif_params_set) 1572 nontx_vif_params_set = 1573 ath11k_mac_set_nontx_vif_params(tx_arvif, arvif, 1574 beacons->bcn[i].skb); 1575 1576 params = beacons->cnt; 1577 params |= (i << WMI_EMA_TMPL_IDX_SHIFT); 1578 params |= ((!i ? 1 : 0) << WMI_EMA_FIRST_TMPL_SHIFT); 1579 params |= ((i + 1 == beacons->cnt ? 1 : 0) << WMI_EMA_LAST_TMPL_SHIFT); 1580 1581 ret = ath11k_wmi_bcn_tmpl(tx_arvif->ar, tx_arvif->vdev_id, 1582 &beacons->bcn[i].offs, 1583 beacons->bcn[i].skb, params); 1584 if (ret) { 1585 ath11k_warn(tx_arvif->ar->ab, 1586 "failed to set ema beacon template id %i error %d\n", 1587 i, ret); 1588 break; 1589 } 1590 } 1591 1592 ieee80211_beacon_free_ema_list(beacons); 1593 1594 if (tx_arvif != arvif && !nontx_vif_params_set) 1595 return -EINVAL; /* Profile not found in the beacons */ 1596 1597 return ret; 1598} 1599 1600static int ath11k_mac_setup_bcn_tmpl_mbssid(struct ath11k_vif *arvif, 1601 struct ath11k_vif *tx_arvif) 1602{ 1603 struct ath11k *ar = arvif->ar; 1604 struct ath11k_base *ab = ar->ab; 1605 struct ieee80211_hw *hw = ar->hw; 1606 struct ieee80211_vif *vif = arvif->vif; 1607 struct ieee80211_mutable_offsets offs = {}; 1608 struct sk_buff *bcn; 1609 int ret; 1610 1611 if (tx_arvif != arvif) { 1612 ar = tx_arvif->ar; 1613 ab = ar->ab; 1614 hw = ar->hw; 1615 vif = tx_arvif->vif; 1616 } 1617 1618 bcn = ieee80211_beacon_get_template(hw, vif, &offs, 0); 1619 if (!bcn) { 1620 ath11k_warn(ab, "failed to get beacon template from mac80211\n"); 1621 return -EPERM; 1622 } 1623 1624 if (tx_arvif == arvif) { 1625 if (ath11k_mac_set_vif_params(tx_arvif, bcn)) 1626 return -EINVAL; 1627 } else if (!ath11k_mac_set_nontx_vif_params(tx_arvif, arvif, bcn)) { 1628 return -EINVAL; 1629 } 1630 1631 ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn, 0); 1632 kfree_skb(bcn); 1633 1634 if (ret) 1635 ath11k_warn(ab, "failed to submit beacon template command: %d\n", 1636 ret); 1637 1638 return ret; 1639} 1640 1641static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif) 1642{ 1643 struct ieee80211_vif *vif = arvif->vif; 1644 struct ath11k_vif *tx_arvif; 1645 1646 if (arvif->vdev_type != WMI_VDEV_TYPE_AP) 1647 return 0; 1648 1649 /* Target does not expect beacon templates for the already up 1650 * non-transmitting interfaces, and results in a crash if sent. 1651 */ 1652 tx_arvif = ath11k_mac_get_tx_arvif(arvif); 1653 if (tx_arvif) { 1654 if (arvif != tx_arvif && arvif->is_up) 1655 return 0; 1656 1657 if (vif->bss_conf.ema_ap) 1658 return ath11k_mac_setup_bcn_tmpl_ema(arvif, tx_arvif); 1659 } else { 1660 tx_arvif = arvif; 1661 } 1662 1663 return ath11k_mac_setup_bcn_tmpl_mbssid(arvif, tx_arvif); 1664} 1665 1666void ath11k_mac_bcn_tx_event(struct ath11k_vif *arvif) 1667{ 1668 struct ieee80211_vif *vif = arvif->vif; 1669 1670 if (!vif->bss_conf.color_change_active && !arvif->bcca_zero_sent) 1671 return; 1672 1673 if (vif->bss_conf.color_change_active && 1674 ieee80211_beacon_cntdwn_is_complete(vif, 0)) { 1675 arvif->bcca_zero_sent = true; 1676 ieee80211_color_change_finish(vif, 0); 1677 return; 1678 } 1679 1680 arvif->bcca_zero_sent = false; 1681 1682 if (vif->bss_conf.color_change_active) 1683 ieee80211_beacon_update_cntdwn(vif, 0); 1684 ath11k_mac_setup_bcn_tmpl(arvif); 1685} 1686 1687static void ath11k_control_beaconing(struct ath11k_vif *arvif, 1688 struct ieee80211_bss_conf *info) 1689{ 1690 struct ath11k *ar = arvif->ar; 1691 struct ath11k_vif *tx_arvif; 1692 int ret = 0; 1693 1694 lockdep_assert_held(&arvif->ar->conf_mutex); 1695 1696 if (!info->enable_beacon) { 1697 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id); 1698 if (ret) 1699 ath11k_warn(ar->ab, "failed to down vdev_id %i: %d\n", 1700 arvif->vdev_id, ret); 1701 1702 arvif->is_up = false; 1703 return; 1704 } 1705 1706 /* Install the beacon template to the FW */ 1707 ret = ath11k_mac_setup_bcn_tmpl(arvif); 1708 if (ret) { 1709 ath11k_warn(ar->ab, "failed to update bcn tmpl during vdev up: %d\n", 1710 ret); 1711 return; 1712 } 1713 1714 arvif->aid = 0; 1715 1716 ether_addr_copy(arvif->bssid, info->bssid); 1717 1718 tx_arvif = ath11k_mac_get_tx_arvif(arvif); 1719 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 1720 arvif->bssid, 1721 tx_arvif ? tx_arvif->bssid : NULL, 1722 info->bssid_index, 1723 1 << info->bssid_indicator); 1724 if (ret) { 1725 ath11k_warn(ar->ab, "failed to bring up vdev %d: %i\n", 1726 arvif->vdev_id, ret); 1727 return; 1728 } 1729 1730 arvif->is_up = true; 1731 1732 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %d up\n", arvif->vdev_id); 1733} 1734 1735static void ath11k_mac_handle_beacon_iter(void *data, u8 *mac, 1736 struct ieee80211_vif *vif) 1737{ 1738 struct sk_buff *skb = data; 1739 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1740 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 1741 1742 if (vif->type != NL80211_IFTYPE_STATION) 1743 return; 1744 1745 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid)) 1746 return; 1747 1748 cancel_delayed_work(&arvif->connection_loss_work); 1749} 1750 1751void ath11k_mac_handle_beacon(struct ath11k *ar, struct sk_buff *skb) 1752{ 1753 ieee80211_iterate_active_interfaces_atomic(ar->hw, 1754 IEEE80211_IFACE_ITER_NORMAL, 1755 ath11k_mac_handle_beacon_iter, 1756 skb); 1757} 1758 1759static void ath11k_mac_handle_beacon_miss_iter(void *data, u8 *mac, 1760 struct ieee80211_vif *vif) 1761{ 1762 u32 *vdev_id = data; 1763 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 1764 struct ath11k *ar = arvif->ar; 1765 struct ieee80211_hw *hw = ar->hw; 1766 1767 if (arvif->vdev_id != *vdev_id) 1768 return; 1769 1770 if (!arvif->is_up) 1771 return; 1772 1773 ieee80211_beacon_loss(vif); 1774 1775 /* Firmware doesn't report beacon loss events repeatedly. If AP probe 1776 * (done by mac80211) succeeds but beacons do not resume then it 1777 * doesn't make sense to continue operation. Queue connection loss work 1778 * which can be cancelled when beacon is received. 1779 */ 1780 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work, 1781 ATH11K_CONNECTION_LOSS_HZ); 1782} 1783 1784void ath11k_mac_handle_beacon_miss(struct ath11k *ar, u32 vdev_id) 1785{ 1786 ieee80211_iterate_active_interfaces_atomic(ar->hw, 1787 IEEE80211_IFACE_ITER_NORMAL, 1788 ath11k_mac_handle_beacon_miss_iter, 1789 &vdev_id); 1790} 1791 1792static void ath11k_mac_vif_sta_connection_loss_work(struct work_struct *work) 1793{ 1794 struct ath11k_vif *arvif = container_of(work, struct ath11k_vif, 1795 connection_loss_work.work); 1796 struct ieee80211_vif *vif = arvif->vif; 1797 1798 if (!arvif->is_up) 1799 return; 1800 1801 ieee80211_connection_loss(vif); 1802} 1803 1804static void ath11k_peer_assoc_h_basic(struct ath11k *ar, 1805 struct ieee80211_vif *vif, 1806 struct ieee80211_sta *sta, 1807 struct peer_assoc_params *arg) 1808{ 1809 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 1810 u32 aid; 1811 1812 lockdep_assert_held(&ar->conf_mutex); 1813 1814 if (vif->type == NL80211_IFTYPE_STATION) 1815 aid = vif->cfg.aid; 1816 else 1817 aid = sta->aid; 1818 1819 ether_addr_copy(arg->peer_mac, sta->addr); 1820 arg->vdev_id = arvif->vdev_id; 1821 arg->peer_associd = aid; 1822 arg->auth_flag = true; 1823 /* TODO: STA WAR in ath10k for listen interval required? */ 1824 arg->peer_listen_intval = ar->hw->conf.listen_interval; 1825 arg->peer_nss = 1; 1826 arg->peer_caps = vif->bss_conf.assoc_capability; 1827} 1828 1829static void ath11k_peer_assoc_h_crypto(struct ath11k *ar, 1830 struct ieee80211_vif *vif, 1831 struct ieee80211_sta *sta, 1832 struct peer_assoc_params *arg) 1833{ 1834 struct ieee80211_bss_conf *info = &vif->bss_conf; 1835 struct cfg80211_chan_def def; 1836 struct cfg80211_bss *bss; 1837 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 1838 const u8 *rsnie = NULL; 1839 const u8 *wpaie = NULL; 1840 1841 lockdep_assert_held(&ar->conf_mutex); 1842 1843 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 1844 return; 1845 1846 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0, 1847 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); 1848 1849 if (arvif->rsnie_present || arvif->wpaie_present) { 1850 arg->need_ptk_4_way = true; 1851 if (arvif->wpaie_present) 1852 arg->need_gtk_2_way = true; 1853 } else if (bss) { 1854 const struct cfg80211_bss_ies *ies; 1855 1856 rcu_read_lock(); 1857 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); 1858 1859 ies = rcu_dereference(bss->ies); 1860 1861 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, 1862 WLAN_OUI_TYPE_MICROSOFT_WPA, 1863 ies->data, 1864 ies->len); 1865 rcu_read_unlock(); 1866 cfg80211_put_bss(ar->hw->wiphy, bss); 1867 } 1868 1869 /* FIXME: base on RSN IE/WPA IE is a correct idea? */ 1870 if (rsnie || wpaie) { 1871 ath11k_dbg(ar->ab, ATH11K_DBG_WMI, 1872 "%s: rsn ie found\n", __func__); 1873 arg->need_ptk_4_way = true; 1874 } 1875 1876 if (wpaie) { 1877 ath11k_dbg(ar->ab, ATH11K_DBG_WMI, 1878 "%s: wpa ie found\n", __func__); 1879 arg->need_gtk_2_way = true; 1880 } 1881 1882 if (sta->mfp) { 1883 /* TODO: Need to check if FW supports PMF? */ 1884 arg->is_pmf_enabled = true; 1885 } 1886 1887 /* TODO: safe_mode_enabled (bypass 4-way handshake) flag req? */ 1888} 1889 1890static void ath11k_peer_assoc_h_rates(struct ath11k *ar, 1891 struct ieee80211_vif *vif, 1892 struct ieee80211_sta *sta, 1893 struct peer_assoc_params *arg) 1894{ 1895 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 1896 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; 1897 struct cfg80211_chan_def def; 1898 const struct ieee80211_supported_band *sband; 1899 const struct ieee80211_rate *rates; 1900 enum nl80211_band band; 1901 u32 ratemask; 1902 u8 rate; 1903 int i; 1904 1905 lockdep_assert_held(&ar->conf_mutex); 1906 1907 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 1908 return; 1909 1910 band = def.chan->band; 1911 sband = ar->hw->wiphy->bands[band]; 1912 ratemask = sta->deflink.supp_rates[band]; 1913 ratemask &= arvif->bitrate_mask.control[band].legacy; 1914 rates = sband->bitrates; 1915 1916 rateset->num_rates = 0; 1917 1918 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { 1919 if (!(ratemask & 1)) 1920 continue; 1921 1922 rate = ath11k_mac_bitrate_to_rate(rates->bitrate); 1923 rateset->rates[rateset->num_rates] = rate; 1924 rateset->num_rates++; 1925 } 1926} 1927 1928static bool 1929ath11k_peer_assoc_h_ht_masked(const u8 *ht_mcs_mask) 1930{ 1931 int nss; 1932 1933 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++) 1934 if (ht_mcs_mask[nss]) 1935 return false; 1936 1937 return true; 1938} 1939 1940static bool 1941ath11k_peer_assoc_h_vht_masked(const u16 *vht_mcs_mask) 1942{ 1943 int nss; 1944 1945 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) 1946 if (vht_mcs_mask[nss]) 1947 return false; 1948 1949 return true; 1950} 1951 1952static void ath11k_peer_assoc_h_ht(struct ath11k *ar, 1953 struct ieee80211_vif *vif, 1954 struct ieee80211_sta *sta, 1955 struct peer_assoc_params *arg) 1956{ 1957 const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; 1958 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 1959 struct cfg80211_chan_def def; 1960 enum nl80211_band band; 1961 const u8 *ht_mcs_mask; 1962 int i, n; 1963 u8 max_nss; 1964 u32 stbc; 1965 1966 lockdep_assert_held(&ar->conf_mutex); 1967 1968 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 1969 return; 1970 1971 if (!ht_cap->ht_supported) 1972 return; 1973 1974 band = def.chan->band; 1975 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 1976 1977 if (ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) 1978 return; 1979 1980 arg->ht_flag = true; 1981 1982 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + 1983 ht_cap->ampdu_factor)) - 1; 1984 1985 arg->peer_mpdu_density = 1986 ath11k_parse_mpdudensity(ht_cap->ampdu_density); 1987 1988 arg->peer_ht_caps = ht_cap->cap; 1989 arg->peer_rate_caps |= WMI_HOST_RC_HT_FLAG; 1990 1991 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) 1992 arg->ldpc_flag = true; 1993 1994 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) { 1995 arg->bw_40 = true; 1996 arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG; 1997 } 1998 1999 /* As firmware handles this two flags (IEEE80211_HT_CAP_SGI_20 2000 * and IEEE80211_HT_CAP_SGI_40) for enabling SGI, we reset 2001 * both flags if guard interval is Default GI 2002 */ 2003 if (arvif->bitrate_mask.control[band].gi == NL80211_TXRATE_DEFAULT_GI) 2004 arg->peer_ht_caps &= ~(IEEE80211_HT_CAP_SGI_20 | 2005 IEEE80211_HT_CAP_SGI_40); 2006 2007 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) { 2008 if (ht_cap->cap & (IEEE80211_HT_CAP_SGI_20 | 2009 IEEE80211_HT_CAP_SGI_40)) 2010 arg->peer_rate_caps |= WMI_HOST_RC_SGI_FLAG; 2011 } 2012 2013 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { 2014 arg->peer_rate_caps |= WMI_HOST_RC_TX_STBC_FLAG; 2015 arg->stbc_flag = true; 2016 } 2017 2018 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { 2019 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; 2020 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; 2021 stbc = stbc << WMI_HOST_RC_RX_STBC_FLAG_S; 2022 arg->peer_rate_caps |= stbc; 2023 arg->stbc_flag = true; 2024 } 2025 2026 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) 2027 arg->peer_rate_caps |= WMI_HOST_RC_TS_FLAG; 2028 else if (ht_cap->mcs.rx_mask[1]) 2029 arg->peer_rate_caps |= WMI_HOST_RC_DS_FLAG; 2030 2031 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++) 2032 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) && 2033 (ht_mcs_mask[i / 8] & BIT(i % 8))) { 2034 max_nss = (i / 8) + 1; 2035 arg->peer_ht_rates.rates[n++] = i; 2036 } 2037 2038 /* This is a workaround for HT-enabled STAs which break the spec 2039 * and have no HT capabilities RX mask (no HT RX MCS map). 2040 * 2041 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), 2042 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. 2043 * 2044 * Firmware asserts if such situation occurs. 2045 */ 2046 if (n == 0) { 2047 arg->peer_ht_rates.num_rates = 8; 2048 for (i = 0; i < arg->peer_ht_rates.num_rates; i++) 2049 arg->peer_ht_rates.rates[i] = i; 2050 } else { 2051 arg->peer_ht_rates.num_rates = n; 2052 arg->peer_nss = min(sta->deflink.rx_nss, max_nss); 2053 } 2054 2055 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "ht peer %pM mcs cnt %d nss %d\n", 2056 arg->peer_mac, 2057 arg->peer_ht_rates.num_rates, 2058 arg->peer_nss); 2059} 2060 2061static int ath11k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss) 2062{ 2063 switch ((mcs_map >> (2 * nss)) & 0x3) { 2064 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1; 2065 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1; 2066 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1; 2067 } 2068 return 0; 2069} 2070 2071static u16 2072ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set, 2073 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX]) 2074{ 2075 int idx_limit; 2076 int nss; 2077 u16 mcs_map; 2078 u16 mcs; 2079 2080 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { 2081 mcs_map = ath11k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) & 2082 vht_mcs_limit[nss]; 2083 2084 if (mcs_map) 2085 idx_limit = fls(mcs_map) - 1; 2086 else 2087 idx_limit = -1; 2088 2089 switch (idx_limit) { 2090 case 0: 2091 case 1: 2092 case 2: 2093 case 3: 2094 case 4: 2095 case 5: 2096 case 6: 2097 case 7: 2098 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7; 2099 break; 2100 case 8: 2101 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8; 2102 break; 2103 case 9: 2104 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9; 2105 break; 2106 default: 2107 WARN_ON(1); 2108 fallthrough; 2109 case -1: 2110 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED; 2111 break; 2112 } 2113 2114 tx_mcs_set &= ~(0x3 << (nss * 2)); 2115 tx_mcs_set |= mcs << (nss * 2); 2116 } 2117 2118 return tx_mcs_set; 2119} 2120 2121static u8 ath11k_get_nss_160mhz(struct ath11k *ar, 2122 u8 max_nss) 2123{ 2124 u8 nss_ratio_info = ar->pdev->cap.nss_ratio_info; 2125 u8 max_sup_nss = 0; 2126 2127 switch (nss_ratio_info) { 2128 case WMI_NSS_RATIO_1BY2_NSS: 2129 max_sup_nss = max_nss >> 1; 2130 break; 2131 case WMI_NSS_RATIO_3BY4_NSS: 2132 ath11k_warn(ar->ab, "WMI_NSS_RATIO_3BY4_NSS not supported\n"); 2133 break; 2134 case WMI_NSS_RATIO_1_NSS: 2135 max_sup_nss = max_nss; 2136 break; 2137 case WMI_NSS_RATIO_2_NSS: 2138 ath11k_warn(ar->ab, "WMI_NSS_RATIO_2_NSS not supported\n"); 2139 break; 2140 default: 2141 ath11k_warn(ar->ab, "invalid nss ratio received from firmware: %d\n", 2142 nss_ratio_info); 2143 break; 2144 } 2145 2146 return max_sup_nss; 2147} 2148 2149static void ath11k_peer_assoc_h_vht(struct ath11k *ar, 2150 struct ieee80211_vif *vif, 2151 struct ieee80211_sta *sta, 2152 struct peer_assoc_params *arg) 2153{ 2154 const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap; 2155 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 2156 struct cfg80211_chan_def def; 2157 enum nl80211_band band; 2158 u16 *vht_mcs_mask; 2159 u8 ampdu_factor; 2160 u8 max_nss, vht_mcs; 2161 int i, vht_nss, nss_idx; 2162 bool user_rate_valid = true; 2163 u32 rx_nss, tx_nss, nss_160; 2164 2165 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 2166 return; 2167 2168 if (!vht_cap->vht_supported) 2169 return; 2170 2171 band = def.chan->band; 2172 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 2173 2174 if (ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) 2175 return; 2176 2177 arg->vht_flag = true; 2178 2179 /* TODO: similar flags required? */ 2180 arg->vht_capable = true; 2181 2182 if (def.chan->band == NL80211_BAND_2GHZ) 2183 arg->vht_ng_flag = true; 2184 2185 arg->peer_vht_caps = vht_cap->cap; 2186 2187 ampdu_factor = (vht_cap->cap & 2188 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 2189 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; 2190 2191 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to 2192 * zero in VHT IE. Using it would result in degraded throughput. 2193 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep 2194 * it if VHT max_mpdu is smaller. 2195 */ 2196 arg->peer_max_mpdu = max(arg->peer_max_mpdu, 2197 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + 2198 ampdu_factor)) - 1); 2199 2200 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) 2201 arg->bw_80 = true; 2202 2203 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) 2204 arg->bw_160 = true; 2205 2206 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask); 2207 2208 if (vht_nss > sta->deflink.rx_nss) { 2209 user_rate_valid = false; 2210 for (nss_idx = sta->deflink.rx_nss - 1; nss_idx >= 0; nss_idx--) { 2211 if (vht_mcs_mask[nss_idx]) { 2212 user_rate_valid = true; 2213 break; 2214 } 2215 } 2216 } 2217 2218 if (!user_rate_valid) { 2219 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting vht range mcs value to peer supported nss %d for peer %pM\n", 2220 sta->deflink.rx_nss, sta->addr); 2221 vht_mcs_mask[sta->deflink.rx_nss - 1] = vht_mcs_mask[vht_nss - 1]; 2222 } 2223 2224 /* Calculate peer NSS capability from VHT capabilities if STA 2225 * supports VHT. 2226 */ 2227 for (i = 0, max_nss = 0; i < NL80211_VHT_NSS_MAX; i++) { 2228 vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >> 2229 (2 * i) & 3; 2230 2231 if (vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED && 2232 vht_mcs_mask[i]) 2233 max_nss = i + 1; 2234 } 2235 arg->peer_nss = min(sta->deflink.rx_nss, max_nss); 2236 arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest); 2237 arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); 2238 arg->rx_mcs_set = ath11k_peer_assoc_h_vht_limit(arg->rx_mcs_set, vht_mcs_mask); 2239 arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest); 2240 arg->tx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map); 2241 2242 /* In IPQ8074 platform, VHT mcs rate 10 and 11 is enabled by default. 2243 * VHT mcs rate 10 and 11 is not supported in 11ac standard. 2244 * so explicitly disable the VHT MCS rate 10 and 11 in 11ac mode. 2245 */ 2246 arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK; 2247 arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11; 2248 2249 if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) == 2250 IEEE80211_VHT_MCS_NOT_SUPPORTED) 2251 arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE; 2252 2253 /* TODO: Check */ 2254 arg->tx_max_mcs_nss = 0xFF; 2255 2256 if (arg->peer_phymode == MODE_11AC_VHT160 || 2257 arg->peer_phymode == MODE_11AC_VHT80_80) { 2258 tx_nss = ath11k_get_nss_160mhz(ar, max_nss); 2259 rx_nss = min(arg->peer_nss, tx_nss); 2260 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE; 2261 2262 if (!rx_nss) { 2263 ath11k_warn(ar->ab, "invalid max_nss\n"); 2264 return; 2265 } 2266 2267 if (arg->peer_phymode == MODE_11AC_VHT160) 2268 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1); 2269 else 2270 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1); 2271 2272 arg->peer_bw_rxnss_override |= nss_160; 2273 } 2274 2275 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 2276 "vht peer %pM max_mpdu %d flags 0x%x nss_override 0x%x\n", 2277 sta->addr, arg->peer_max_mpdu, arg->peer_flags, 2278 arg->peer_bw_rxnss_override); 2279} 2280 2281static int ath11k_mac_get_max_he_mcs_map(u16 mcs_map, int nss) 2282{ 2283 switch ((mcs_map >> (2 * nss)) & 0x3) { 2284 case IEEE80211_HE_MCS_SUPPORT_0_7: return BIT(8) - 1; 2285 case IEEE80211_HE_MCS_SUPPORT_0_9: return BIT(10) - 1; 2286 case IEEE80211_HE_MCS_SUPPORT_0_11: return BIT(12) - 1; 2287 } 2288 return 0; 2289} 2290 2291static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set, 2292 const u16 he_mcs_limit[NL80211_HE_NSS_MAX]) 2293{ 2294 int idx_limit; 2295 int nss; 2296 u16 mcs_map; 2297 u16 mcs; 2298 2299 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) { 2300 mcs_map = ath11k_mac_get_max_he_mcs_map(tx_mcs_set, nss) & 2301 he_mcs_limit[nss]; 2302 2303 if (mcs_map) 2304 idx_limit = fls(mcs_map) - 1; 2305 else 2306 idx_limit = -1; 2307 2308 switch (idx_limit) { 2309 case 0 ... 7: 2310 mcs = IEEE80211_HE_MCS_SUPPORT_0_7; 2311 break; 2312 case 8: 2313 case 9: 2314 mcs = IEEE80211_HE_MCS_SUPPORT_0_9; 2315 break; 2316 case 10: 2317 case 11: 2318 mcs = IEEE80211_HE_MCS_SUPPORT_0_11; 2319 break; 2320 default: 2321 WARN_ON(1); 2322 fallthrough; 2323 case -1: 2324 mcs = IEEE80211_HE_MCS_NOT_SUPPORTED; 2325 break; 2326 } 2327 2328 tx_mcs_set &= ~(0x3 << (nss * 2)); 2329 tx_mcs_set |= mcs << (nss * 2); 2330 } 2331 2332 return tx_mcs_set; 2333} 2334 2335static bool 2336ath11k_peer_assoc_h_he_masked(const u16 *he_mcs_mask) 2337{ 2338 int nss; 2339 2340 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) 2341 if (he_mcs_mask[nss]) 2342 return false; 2343 2344 return true; 2345} 2346 2347static void ath11k_peer_assoc_h_he(struct ath11k *ar, 2348 struct ieee80211_vif *vif, 2349 struct ieee80211_sta *sta, 2350 struct peer_assoc_params *arg) 2351{ 2352 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 2353 struct cfg80211_chan_def def; 2354 const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap; 2355 enum nl80211_band band; 2356 u16 he_mcs_mask[NL80211_HE_NSS_MAX]; 2357 u8 max_nss, he_mcs; 2358 u16 he_tx_mcs = 0, v = 0; 2359 int i, he_nss, nss_idx; 2360 bool user_rate_valid = true; 2361 u32 rx_nss, tx_nss, nss_160; 2362 u8 ampdu_factor, rx_mcs_80, rx_mcs_160; 2363 u16 mcs_160_map, mcs_80_map; 2364 bool support_160; 2365 2366 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 2367 return; 2368 2369 if (!he_cap->has_he) 2370 return; 2371 2372 band = def.chan->band; 2373 memcpy(he_mcs_mask, arvif->bitrate_mask.control[band].he_mcs, 2374 sizeof(he_mcs_mask)); 2375 2376 if (ath11k_peer_assoc_h_he_masked(he_mcs_mask)) 2377 return; 2378 2379 arg->he_flag = true; 2380 support_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] & 2381 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G); 2382 2383 /* Supported HE-MCS and NSS Set of peer he_cap is intersection with self he_cp */ 2384 mcs_160_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160); 2385 mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80); 2386 2387 /* Initialize rx_mcs_160 to 9 which is an invalid value */ 2388 rx_mcs_160 = 9; 2389 if (support_160) { 2390 for (i = 7; i >= 0; i--) { 2391 u8 mcs_160 = (mcs_160_map >> (2 * i)) & 3; 2392 2393 if (mcs_160 != IEEE80211_VHT_MCS_NOT_SUPPORTED) { 2394 rx_mcs_160 = i + 1; 2395 break; 2396 } 2397 } 2398 } 2399 2400 /* Initialize rx_mcs_80 to 9 which is an invalid value */ 2401 rx_mcs_80 = 9; 2402 for (i = 7; i >= 0; i--) { 2403 u8 mcs_80 = (mcs_80_map >> (2 * i)) & 3; 2404 2405 if (mcs_80 != IEEE80211_VHT_MCS_NOT_SUPPORTED) { 2406 rx_mcs_80 = i + 1; 2407 break; 2408 } 2409 } 2410 2411 if (support_160) 2412 max_nss = min(rx_mcs_80, rx_mcs_160); 2413 else 2414 max_nss = rx_mcs_80; 2415 2416 arg->peer_nss = min(sta->deflink.rx_nss, max_nss); 2417 2418 memcpy_and_pad(&arg->peer_he_cap_macinfo, 2419 sizeof(arg->peer_he_cap_macinfo), 2420 he_cap->he_cap_elem.mac_cap_info, 2421 sizeof(he_cap->he_cap_elem.mac_cap_info), 2422 0); 2423 memcpy_and_pad(&arg->peer_he_cap_phyinfo, 2424 sizeof(arg->peer_he_cap_phyinfo), 2425 he_cap->he_cap_elem.phy_cap_info, 2426 sizeof(he_cap->he_cap_elem.phy_cap_info), 2427 0); 2428 arg->peer_he_ops = vif->bss_conf.he_oper.params; 2429 2430 /* the top most byte is used to indicate BSS color info */ 2431 arg->peer_he_ops &= 0xffffff; 2432 2433 /* As per section 26.6.1 11ax Draft5.0, if the Max AMPDU Exponent Extension 2434 * in HE cap is zero, use the arg->peer_max_mpdu as calculated while parsing 2435 * VHT caps(if VHT caps is present) or HT caps (if VHT caps is not present). 2436 * 2437 * For non-zero value of Max AMPDU Extponent Extension in HE MAC caps, 2438 * if a HE STA sends VHT cap and HE cap IE in assoc request then, use 2439 * MAX_AMPDU_LEN_FACTOR as 20 to calculate max_ampdu length. 2440 * If a HE STA that does not send VHT cap, but HE and HT cap in assoc 2441 * request, then use MAX_AMPDU_LEN_FACTOR as 16 to calculate max_ampdu 2442 * length. 2443 */ 2444 ampdu_factor = u8_get_bits(he_cap->he_cap_elem.mac_cap_info[3], 2445 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK); 2446 2447 if (ampdu_factor) { 2448 if (sta->deflink.vht_cap.vht_supported) 2449 arg->peer_max_mpdu = (1 << (IEEE80211_HE_VHT_MAX_AMPDU_FACTOR + 2450 ampdu_factor)) - 1; 2451 else if (sta->deflink.ht_cap.ht_supported) 2452 arg->peer_max_mpdu = (1 << (IEEE80211_HE_HT_MAX_AMPDU_FACTOR + 2453 ampdu_factor)) - 1; 2454 } 2455 2456 if (he_cap->he_cap_elem.phy_cap_info[6] & 2457 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2458 int bit = 7; 2459 int nss, ru; 2460 2461 arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] & 2462 IEEE80211_PPE_THRES_NSS_MASK; 2463 arg->peer_ppet.ru_bit_mask = 2464 (he_cap->ppe_thres[0] & 2465 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2466 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2467 2468 for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) { 2469 for (ru = 0; ru < 4; ru++) { 2470 u32 val = 0; 2471 int i; 2472 2473 if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0) 2474 continue; 2475 for (i = 0; i < 6; i++) { 2476 val >>= 1; 2477 val |= ((he_cap->ppe_thres[bit / 8] >> 2478 (bit % 8)) & 0x1) << 5; 2479 bit++; 2480 } 2481 arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |= 2482 val << (ru * 6); 2483 } 2484 } 2485 } 2486 2487 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_RES) 2488 arg->twt_responder = true; 2489 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ) 2490 arg->twt_requester = true; 2491 2492 he_nss = ath11k_mac_max_he_nss(he_mcs_mask); 2493 2494 if (he_nss > sta->deflink.rx_nss) { 2495 user_rate_valid = false; 2496 for (nss_idx = sta->deflink.rx_nss - 1; nss_idx >= 0; nss_idx--) { 2497 if (he_mcs_mask[nss_idx]) { 2498 user_rate_valid = true; 2499 break; 2500 } 2501 } 2502 } 2503 2504 if (!user_rate_valid) { 2505 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting he range mcs value to peer supported nss %d for peer %pM\n", 2506 sta->deflink.rx_nss, sta->addr); 2507 he_mcs_mask[sta->deflink.rx_nss - 1] = he_mcs_mask[he_nss - 1]; 2508 } 2509 2510 switch (sta->deflink.bandwidth) { 2511 case IEEE80211_STA_RX_BW_160: 2512 if (he_cap->he_cap_elem.phy_cap_info[0] & 2513 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { 2514 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80p80); 2515 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask); 2516 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v; 2517 2518 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80p80); 2519 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v; 2520 2521 arg->peer_he_mcs_count++; 2522 he_tx_mcs = v; 2523 } 2524 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160); 2525 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask); 2526 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v; 2527 2528 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_160); 2529 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v; 2530 2531 arg->peer_he_mcs_count++; 2532 if (!he_tx_mcs) 2533 he_tx_mcs = v; 2534 fallthrough; 2535 2536 default: 2537 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80); 2538 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask); 2539 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v; 2540 2541 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80); 2542 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v; 2543 2544 arg->peer_he_mcs_count++; 2545 if (!he_tx_mcs) 2546 he_tx_mcs = v; 2547 break; 2548 } 2549 2550 /* Calculate peer NSS capability from HE capabilities if STA 2551 * supports HE. 2552 */ 2553 for (i = 0, max_nss = 0; i < NL80211_HE_NSS_MAX; i++) { 2554 he_mcs = he_tx_mcs >> (2 * i) & 3; 2555 2556 /* In case of fixed rates, MCS Range in he_tx_mcs might have 2557 * unsupported range, with he_mcs_mask set, so check either of them 2558 * to find nss. 2559 */ 2560 if (he_mcs != IEEE80211_HE_MCS_NOT_SUPPORTED || 2561 he_mcs_mask[i]) 2562 max_nss = i + 1; 2563 } 2564 arg->peer_nss = min(sta->deflink.rx_nss, max_nss); 2565 2566 if (arg->peer_phymode == MODE_11AX_HE160 || 2567 arg->peer_phymode == MODE_11AX_HE80_80) { 2568 tx_nss = ath11k_get_nss_160mhz(ar, max_nss); 2569 rx_nss = min(arg->peer_nss, tx_nss); 2570 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE; 2571 2572 if (!rx_nss) { 2573 ath11k_warn(ar->ab, "invalid max_nss\n"); 2574 return; 2575 } 2576 2577 if (arg->peer_phymode == MODE_11AX_HE160) 2578 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1); 2579 else 2580 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1); 2581 2582 arg->peer_bw_rxnss_override |= nss_160; 2583 } 2584 2585 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 2586 "he peer %pM nss %d mcs cnt %d nss_override 0x%x\n", 2587 sta->addr, arg->peer_nss, 2588 arg->peer_he_mcs_count, 2589 arg->peer_bw_rxnss_override); 2590} 2591 2592static void ath11k_peer_assoc_h_he_6ghz(struct ath11k *ar, 2593 struct ieee80211_vif *vif, 2594 struct ieee80211_sta *sta, 2595 struct peer_assoc_params *arg) 2596{ 2597 const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap; 2598 struct cfg80211_chan_def def; 2599 enum nl80211_band band; 2600 u8 ampdu_factor; 2601 2602 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 2603 return; 2604 2605 band = def.chan->band; 2606 2607 if (!arg->he_flag || band != NL80211_BAND_6GHZ || !sta->deflink.he_6ghz_capa.capa) 2608 return; 2609 2610 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2611 arg->bw_40 = true; 2612 2613 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) 2614 arg->bw_80 = true; 2615 2616 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) 2617 arg->bw_160 = true; 2618 2619 arg->peer_he_caps_6ghz = le16_to_cpu(sta->deflink.he_6ghz_capa.capa); 2620 arg->peer_mpdu_density = 2621 ath11k_parse_mpdudensity(FIELD_GET(IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START, 2622 arg->peer_he_caps_6ghz)); 2623 2624 /* From IEEE Std 802.11ax-2021 - Section 10.12.2: An HE STA shall be capable of 2625 * receiving A-MPDU where the A-MPDU pre-EOF padding length is up to the value 2626 * indicated by the Maximum A-MPDU Length Exponent Extension field in the HE 2627 * Capabilities element and the Maximum A-MPDU Length Exponent field in HE 6 GHz 2628 * Band Capabilities element in the 6 GHz band. 2629 * 2630 * Here, we are extracting the Max A-MPDU Exponent Extension from HE caps and 2631 * factor is the Maximum A-MPDU Length Exponent from HE 6 GHZ Band capability. 2632 */ 2633 ampdu_factor = FIELD_GET(IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK, 2634 he_cap->he_cap_elem.mac_cap_info[3]) + 2635 FIELD_GET(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, 2636 arg->peer_he_caps_6ghz); 2637 2638 arg->peer_max_mpdu = (1u << (IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR + 2639 ampdu_factor)) - 1; 2640} 2641 2642static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta, 2643 struct peer_assoc_params *arg) 2644{ 2645 const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; 2646 int smps; 2647 2648 if (!ht_cap->ht_supported && !sta->deflink.he_6ghz_capa.capa) 2649 return; 2650 2651 if (ht_cap->ht_supported) { 2652 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; 2653 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; 2654 } else { 2655 smps = le16_get_bits(sta->deflink.he_6ghz_capa.capa, 2656 IEEE80211_HE_6GHZ_CAP_SM_PS); 2657 } 2658 2659 switch (smps) { 2660 case WLAN_HT_CAP_SM_PS_STATIC: 2661 arg->static_mimops_flag = true; 2662 break; 2663 case WLAN_HT_CAP_SM_PS_DYNAMIC: 2664 arg->dynamic_mimops_flag = true; 2665 break; 2666 case WLAN_HT_CAP_SM_PS_DISABLED: 2667 arg->spatial_mux_flag = true; 2668 break; 2669 default: 2670 break; 2671 } 2672} 2673 2674static void ath11k_peer_assoc_h_qos(struct ath11k *ar, 2675 struct ieee80211_vif *vif, 2676 struct ieee80211_sta *sta, 2677 struct peer_assoc_params *arg) 2678{ 2679 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 2680 2681 switch (arvif->vdev_type) { 2682 case WMI_VDEV_TYPE_AP: 2683 if (sta->wme) { 2684 /* TODO: Check WME vs QoS */ 2685 arg->is_wme_set = true; 2686 arg->qos_flag = true; 2687 } 2688 2689 if (sta->wme && sta->uapsd_queues) { 2690 /* TODO: Check WME vs QoS */ 2691 arg->is_wme_set = true; 2692 arg->apsd_flag = true; 2693 arg->peer_rate_caps |= WMI_HOST_RC_UAPSD_FLAG; 2694 } 2695 break; 2696 case WMI_VDEV_TYPE_STA: 2697 if (sta->wme) { 2698 arg->is_wme_set = true; 2699 arg->qos_flag = true; 2700 } 2701 break; 2702 default: 2703 break; 2704 } 2705 2706 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "peer %pM qos %d\n", 2707 sta->addr, arg->qos_flag); 2708} 2709 2710static int ath11k_peer_assoc_qos_ap(struct ath11k *ar, 2711 struct ath11k_vif *arvif, 2712 struct ieee80211_sta *sta) 2713{ 2714 struct ap_ps_params params; 2715 u32 max_sp; 2716 u32 uapsd; 2717 int ret; 2718 2719 lockdep_assert_held(&ar->conf_mutex); 2720 2721 params.vdev_id = arvif->vdev_id; 2722 2723 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "uapsd_queues 0x%x max_sp %d\n", 2724 sta->uapsd_queues, sta->max_sp); 2725 2726 uapsd = 0; 2727 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 2728 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | 2729 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; 2730 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) 2731 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | 2732 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; 2733 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) 2734 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | 2735 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; 2736 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) 2737 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | 2738 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; 2739 2740 max_sp = 0; 2741 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) 2742 max_sp = sta->max_sp; 2743 2744 params.param = WMI_AP_PS_PEER_PARAM_UAPSD; 2745 params.value = uapsd; 2746 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2747 if (ret) 2748 goto err; 2749 2750 params.param = WMI_AP_PS_PEER_PARAM_MAX_SP; 2751 params.value = max_sp; 2752 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2753 if (ret) 2754 goto err; 2755 2756 /* TODO revisit during testing */ 2757 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_FRMTYPE; 2758 params.value = DISABLE_SIFS_RESPONSE_TRIGGER; 2759 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2760 if (ret) 2761 goto err; 2762 2763 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_UAPSD; 2764 params.value = DISABLE_SIFS_RESPONSE_TRIGGER; 2765 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2766 if (ret) 2767 goto err; 2768 2769 return 0; 2770 2771err: 2772 ath11k_warn(ar->ab, "failed to set ap ps peer param %d for vdev %i: %d\n", 2773 params.param, arvif->vdev_id, ret); 2774 return ret; 2775} 2776 2777static bool ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta) 2778{ 2779 return sta->deflink.supp_rates[NL80211_BAND_2GHZ] >> 2780 ATH11K_MAC_FIRST_OFDM_RATE_IDX; 2781} 2782 2783static enum wmi_phy_mode ath11k_mac_get_phymode_vht(struct ath11k *ar, 2784 struct ieee80211_sta *sta) 2785{ 2786 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) { 2787 switch (sta->deflink.vht_cap.cap & 2788 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 2789 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 2790 return MODE_11AC_VHT160; 2791 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 2792 return MODE_11AC_VHT80_80; 2793 default: 2794 /* not sure if this is a valid case? */ 2795 return MODE_11AC_VHT160; 2796 } 2797 } 2798 2799 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) 2800 return MODE_11AC_VHT80; 2801 2802 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2803 return MODE_11AC_VHT40; 2804 2805 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) 2806 return MODE_11AC_VHT20; 2807 2808 return MODE_UNKNOWN; 2809} 2810 2811static enum wmi_phy_mode ath11k_mac_get_phymode_he(struct ath11k *ar, 2812 struct ieee80211_sta *sta) 2813{ 2814 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) { 2815 if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] & 2816 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 2817 return MODE_11AX_HE160; 2818 else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] & 2819 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 2820 return MODE_11AX_HE80_80; 2821 /* not sure if this is a valid case? */ 2822 return MODE_11AX_HE160; 2823 } 2824 2825 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) 2826 return MODE_11AX_HE80; 2827 2828 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2829 return MODE_11AX_HE40; 2830 2831 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) 2832 return MODE_11AX_HE20; 2833 2834 return MODE_UNKNOWN; 2835} 2836 2837static void ath11k_peer_assoc_h_phymode(struct ath11k *ar, 2838 struct ieee80211_vif *vif, 2839 struct ieee80211_sta *sta, 2840 struct peer_assoc_params *arg) 2841{ 2842 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 2843 struct cfg80211_chan_def def; 2844 enum nl80211_band band; 2845 const u8 *ht_mcs_mask; 2846 const u16 *vht_mcs_mask; 2847 const u16 *he_mcs_mask; 2848 enum wmi_phy_mode phymode = MODE_UNKNOWN; 2849 2850 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 2851 return; 2852 2853 band = def.chan->band; 2854 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 2855 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 2856 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs; 2857 2858 switch (band) { 2859 case NL80211_BAND_2GHZ: 2860 if (sta->deflink.he_cap.has_he && 2861 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) { 2862 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) 2863 phymode = MODE_11AX_HE80_2G; 2864 else if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2865 phymode = MODE_11AX_HE40_2G; 2866 else 2867 phymode = MODE_11AX_HE20_2G; 2868 } else if (sta->deflink.vht_cap.vht_supported && 2869 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) { 2870 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2871 phymode = MODE_11AC_VHT40; 2872 else 2873 phymode = MODE_11AC_VHT20; 2874 } else if (sta->deflink.ht_cap.ht_supported && 2875 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) { 2876 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2877 phymode = MODE_11NG_HT40; 2878 else 2879 phymode = MODE_11NG_HT20; 2880 } else if (ath11k_mac_sta_has_ofdm_only(sta)) { 2881 phymode = MODE_11G; 2882 } else { 2883 phymode = MODE_11B; 2884 } 2885 break; 2886 case NL80211_BAND_5GHZ: 2887 case NL80211_BAND_6GHZ: 2888 /* Check HE first */ 2889 if (sta->deflink.he_cap.has_he && 2890 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) { 2891 phymode = ath11k_mac_get_phymode_he(ar, sta); 2892 } else if (sta->deflink.vht_cap.vht_supported && 2893 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) { 2894 phymode = ath11k_mac_get_phymode_vht(ar, sta); 2895 } else if (sta->deflink.ht_cap.ht_supported && 2896 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) { 2897 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) 2898 phymode = MODE_11NA_HT40; 2899 else 2900 phymode = MODE_11NA_HT20; 2901 } else { 2902 phymode = MODE_11A; 2903 } 2904 break; 2905 default: 2906 break; 2907 } 2908 2909 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "peer %pM phymode %s\n", 2910 sta->addr, ath11k_wmi_phymode_str(phymode)); 2911 2912 arg->peer_phymode = phymode; 2913 WARN_ON(phymode == MODE_UNKNOWN); 2914} 2915 2916static void ath11k_peer_assoc_prepare(struct ath11k *ar, 2917 struct ieee80211_vif *vif, 2918 struct ieee80211_sta *sta, 2919 struct peer_assoc_params *arg, 2920 bool reassoc) 2921{ 2922 struct ath11k_sta *arsta; 2923 2924 lockdep_assert_held(&ar->conf_mutex); 2925 2926 arsta = ath11k_sta_to_arsta(sta); 2927 2928 memset(arg, 0, sizeof(*arg)); 2929 2930 reinit_completion(&ar->peer_assoc_done); 2931 2932 arg->peer_new_assoc = !reassoc; 2933 ath11k_peer_assoc_h_basic(ar, vif, sta, arg); 2934 ath11k_peer_assoc_h_crypto(ar, vif, sta, arg); 2935 ath11k_peer_assoc_h_rates(ar, vif, sta, arg); 2936 ath11k_peer_assoc_h_phymode(ar, vif, sta, arg); 2937 ath11k_peer_assoc_h_ht(ar, vif, sta, arg); 2938 ath11k_peer_assoc_h_vht(ar, vif, sta, arg); 2939 ath11k_peer_assoc_h_he(ar, vif, sta, arg); 2940 ath11k_peer_assoc_h_he_6ghz(ar, vif, sta, arg); 2941 ath11k_peer_assoc_h_qos(ar, vif, sta, arg); 2942 ath11k_peer_assoc_h_smps(sta, arg); 2943 2944 arsta->peer_nss = arg->peer_nss; 2945 2946 /* TODO: amsdu_disable req? */ 2947} 2948 2949static int ath11k_setup_peer_smps(struct ath11k *ar, struct ath11k_vif *arvif, 2950 const u8 *addr, 2951 const struct ieee80211_sta_ht_cap *ht_cap, 2952 u16 he_6ghz_capa) 2953{ 2954 int smps; 2955 2956 if (!ht_cap->ht_supported && !he_6ghz_capa) 2957 return 0; 2958 2959 if (ht_cap->ht_supported) { 2960 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; 2961 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; 2962 } else { 2963 smps = FIELD_GET(IEEE80211_HE_6GHZ_CAP_SM_PS, he_6ghz_capa); 2964 } 2965 2966 if (smps >= ARRAY_SIZE(ath11k_smps_map)) 2967 return -EINVAL; 2968 2969 return ath11k_wmi_set_peer_param(ar, addr, arvif->vdev_id, 2970 WMI_PEER_MIMO_PS_STATE, 2971 ath11k_smps_map[smps]); 2972} 2973 2974static bool ath11k_mac_set_he_txbf_conf(struct ath11k_vif *arvif) 2975{ 2976 struct ath11k *ar = arvif->ar; 2977 u32 param, value; 2978 int ret; 2979 2980 if (!arvif->vif->bss_conf.he_support) 2981 return true; 2982 2983 param = WMI_VDEV_PARAM_SET_HEMU_MODE; 2984 value = 0; 2985 if (arvif->vif->bss_conf.he_su_beamformer) { 2986 value |= FIELD_PREP(HE_MODE_SU_TX_BFER, HE_SU_BFER_ENABLE); 2987 if (arvif->vif->bss_conf.he_mu_beamformer && 2988 arvif->vdev_type == WMI_VDEV_TYPE_AP) 2989 value |= FIELD_PREP(HE_MODE_MU_TX_BFER, HE_MU_BFER_ENABLE); 2990 } 2991 2992 if (arvif->vif->type != NL80211_IFTYPE_MESH_POINT) { 2993 value |= FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) | 2994 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE); 2995 2996 if (arvif->vif->bss_conf.he_full_ul_mumimo) 2997 value |= FIELD_PREP(HE_MODE_UL_MUMIMO, HE_UL_MUMIMO_ENABLE); 2998 2999 if (arvif->vif->bss_conf.he_su_beamformee) 3000 value |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE); 3001 } 3002 3003 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, value); 3004 if (ret) { 3005 ath11k_warn(ar->ab, "failed to set vdev %d HE MU mode: %d\n", 3006 arvif->vdev_id, ret); 3007 return false; 3008 } 3009 3010 param = WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE; 3011 value = FIELD_PREP(HE_VHT_SOUNDING_MODE, HE_VHT_SOUNDING_MODE_ENABLE) | 3012 FIELD_PREP(HE_TRIG_NONTRIG_SOUNDING_MODE, 3013 HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE); 3014 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3015 param, value); 3016 if (ret) { 3017 ath11k_warn(ar->ab, "failed to set vdev %d sounding mode: %d\n", 3018 arvif->vdev_id, ret); 3019 return false; 3020 } 3021 return true; 3022} 3023 3024static bool ath11k_mac_vif_recalc_sta_he_txbf(struct ath11k *ar, 3025 struct ieee80211_vif *vif, 3026 struct ieee80211_sta_he_cap *he_cap) 3027{ 3028 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3029 struct ieee80211_he_cap_elem he_cap_elem = {}; 3030 struct ieee80211_sta_he_cap *cap_band = NULL; 3031 struct cfg80211_chan_def def; 3032 u32 param = WMI_VDEV_PARAM_SET_HEMU_MODE; 3033 u32 hemode = 0; 3034 int ret; 3035 3036 if (!vif->bss_conf.he_support) 3037 return true; 3038 3039 if (vif->type != NL80211_IFTYPE_STATION) 3040 return false; 3041 3042 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 3043 return false; 3044 3045 if (def.chan->band == NL80211_BAND_2GHZ) 3046 cap_band = &ar->mac.iftype[NL80211_BAND_2GHZ][vif->type].he_cap; 3047 else 3048 cap_band = &ar->mac.iftype[NL80211_BAND_5GHZ][vif->type].he_cap; 3049 3050 memcpy(&he_cap_elem, &cap_band->he_cap_elem, sizeof(he_cap_elem)); 3051 3052 if (HECAP_PHY_SUBFME_GET(he_cap_elem.phy_cap_info)) { 3053 if (HECAP_PHY_SUBFMR_GET(he_cap->he_cap_elem.phy_cap_info)) 3054 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE); 3055 if (HECAP_PHY_MUBFMR_GET(he_cap->he_cap_elem.phy_cap_info)) 3056 hemode |= FIELD_PREP(HE_MODE_MU_TX_BFEE, HE_MU_BFEE_ENABLE); 3057 } 3058 3059 if (vif->type != NL80211_IFTYPE_MESH_POINT) { 3060 hemode |= FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) | 3061 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE); 3062 3063 if (HECAP_PHY_ULMUMIMO_GET(he_cap_elem.phy_cap_info)) 3064 if (HECAP_PHY_ULMUMIMO_GET(he_cap->he_cap_elem.phy_cap_info)) 3065 hemode |= FIELD_PREP(HE_MODE_UL_MUMIMO, 3066 HE_UL_MUMIMO_ENABLE); 3067 3068 if (FIELD_GET(HE_MODE_MU_TX_BFEE, hemode)) 3069 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE); 3070 3071 if (FIELD_GET(HE_MODE_MU_TX_BFER, hemode)) 3072 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFER, HE_SU_BFER_ENABLE); 3073 } 3074 3075 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, hemode); 3076 if (ret) { 3077 ath11k_warn(ar->ab, "failed to submit vdev param txbf 0x%x: %d\n", 3078 hemode, ret); 3079 return false; 3080 } 3081 3082 return true; 3083} 3084 3085static void ath11k_bss_assoc(struct ieee80211_hw *hw, 3086 struct ieee80211_vif *vif, 3087 struct ieee80211_bss_conf *bss_conf) 3088{ 3089 struct ath11k *ar = hw->priv; 3090 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3091 struct peer_assoc_params peer_arg; 3092 struct ieee80211_sta *ap_sta; 3093 struct ath11k_peer *peer; 3094 bool is_auth = false; 3095 struct ieee80211_sta_he_cap he_cap; 3096 int ret; 3097 3098 lockdep_assert_held(&ar->conf_mutex); 3099 3100 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %i assoc bssid %pM aid %d\n", 3101 arvif->vdev_id, arvif->bssid, arvif->aid); 3102 3103 rcu_read_lock(); 3104 3105 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); 3106 if (!ap_sta) { 3107 ath11k_warn(ar->ab, "failed to find station entry for bss %pM vdev %i\n", 3108 bss_conf->bssid, arvif->vdev_id); 3109 rcu_read_unlock(); 3110 return; 3111 } 3112 3113 /* he_cap here is updated at assoc success for sta mode only */ 3114 he_cap = ap_sta->deflink.he_cap; 3115 3116 ath11k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg, false); 3117 3118 rcu_read_unlock(); 3119 3120 if (!ath11k_mac_vif_recalc_sta_he_txbf(ar, vif, &he_cap)) { 3121 ath11k_warn(ar->ab, "failed to recalc he txbf for vdev %i on bss %pM\n", 3122 arvif->vdev_id, bss_conf->bssid); 3123 return; 3124 } 3125 3126 peer_arg.is_assoc = true; 3127 3128 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); 3129 if (ret) { 3130 ath11k_warn(ar->ab, "failed to run peer assoc for %pM vdev %i: %d\n", 3131 bss_conf->bssid, arvif->vdev_id, ret); 3132 return; 3133 } 3134 3135 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) { 3136 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", 3137 bss_conf->bssid, arvif->vdev_id); 3138 return; 3139 } 3140 3141 ret = ath11k_setup_peer_smps(ar, arvif, bss_conf->bssid, 3142 &ap_sta->deflink.ht_cap, 3143 le16_to_cpu(ap_sta->deflink.he_6ghz_capa.capa)); 3144 if (ret) { 3145 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n", 3146 arvif->vdev_id, ret); 3147 return; 3148 } 3149 3150 WARN_ON(arvif->is_up); 3151 3152 arvif->aid = vif->cfg.aid; 3153 ether_addr_copy(arvif->bssid, bss_conf->bssid); 3154 3155 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid, 3156 NULL, 0, 0); 3157 if (ret) { 3158 ath11k_warn(ar->ab, "failed to set vdev %d up: %d\n", 3159 arvif->vdev_id, ret); 3160 return; 3161 } 3162 3163 arvif->is_up = true; 3164 arvif->rekey_data.enable_offload = false; 3165 3166 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3167 "vdev %d up (associated) bssid %pM aid %d\n", 3168 arvif->vdev_id, bss_conf->bssid, vif->cfg.aid); 3169 3170 spin_lock_bh(&ar->ab->base_lock); 3171 3172 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, arvif->bssid); 3173 if (peer && peer->is_authorized) 3174 is_auth = true; 3175 3176 spin_unlock_bh(&ar->ab->base_lock); 3177 3178 if (is_auth) { 3179 ret = ath11k_wmi_set_peer_param(ar, arvif->bssid, 3180 arvif->vdev_id, 3181 WMI_PEER_AUTHORIZE, 3182 1); 3183 if (ret) 3184 ath11k_warn(ar->ab, "Unable to authorize BSS peer: %d\n", ret); 3185 } 3186 3187 ret = ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id, 3188 &bss_conf->he_obss_pd); 3189 if (ret) 3190 ath11k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n", 3191 arvif->vdev_id, ret); 3192 3193 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3194 WMI_VDEV_PARAM_DTIM_POLICY, 3195 WMI_DTIM_POLICY_STICK); 3196 if (ret) 3197 ath11k_warn(ar->ab, "failed to set vdev %d dtim policy: %d\n", 3198 arvif->vdev_id, ret); 3199 3200 ath11k_mac_11d_scan_stop_all(ar->ab); 3201} 3202 3203static void ath11k_bss_disassoc(struct ieee80211_hw *hw, 3204 struct ieee80211_vif *vif) 3205{ 3206 struct ath11k *ar = hw->priv; 3207 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3208 int ret; 3209 3210 lockdep_assert_held(&ar->conf_mutex); 3211 3212 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %i disassoc bssid %pM\n", 3213 arvif->vdev_id, arvif->bssid); 3214 3215 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id); 3216 if (ret) 3217 ath11k_warn(ar->ab, "failed to down vdev %i: %d\n", 3218 arvif->vdev_id, ret); 3219 3220 arvif->is_up = false; 3221 3222 memset(&arvif->rekey_data, 0, sizeof(arvif->rekey_data)); 3223 3224 cancel_delayed_work_sync(&arvif->connection_loss_work); 3225} 3226 3227static u32 ath11k_mac_get_rate_hw_value(int bitrate) 3228{ 3229 u32 preamble; 3230 u16 hw_value; 3231 int rate; 3232 size_t i; 3233 3234 if (ath11k_mac_bitrate_is_cck(bitrate)) 3235 preamble = WMI_RATE_PREAMBLE_CCK; 3236 else 3237 preamble = WMI_RATE_PREAMBLE_OFDM; 3238 3239 for (i = 0; i < ARRAY_SIZE(ath11k_legacy_rates); i++) { 3240 if (ath11k_legacy_rates[i].bitrate != bitrate) 3241 continue; 3242 3243 hw_value = ath11k_legacy_rates[i].hw_value; 3244 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble); 3245 3246 return rate; 3247 } 3248 3249 return -EINVAL; 3250} 3251 3252static void ath11k_recalculate_mgmt_rate(struct ath11k *ar, 3253 struct ieee80211_vif *vif, 3254 struct cfg80211_chan_def *def) 3255{ 3256 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3257 const struct ieee80211_supported_band *sband; 3258 u8 basic_rate_idx; 3259 int hw_rate_code; 3260 u32 vdev_param; 3261 u16 bitrate; 3262 int ret; 3263 3264 lockdep_assert_held(&ar->conf_mutex); 3265 3266 sband = ar->hw->wiphy->bands[def->chan->band]; 3267 basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1; 3268 bitrate = sband->bitrates[basic_rate_idx].bitrate; 3269 3270 hw_rate_code = ath11k_mac_get_rate_hw_value(bitrate); 3271 if (hw_rate_code < 0) { 3272 ath11k_warn(ar->ab, "bitrate not supported %d\n", bitrate); 3273 return; 3274 } 3275 3276 vdev_param = WMI_VDEV_PARAM_MGMT_RATE; 3277 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, 3278 hw_rate_code); 3279 if (ret) 3280 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret); 3281 3282 /* For WCN6855, firmware will clear this param when vdev starts, hence 3283 * cache it here so that we can reconfigure it once vdev starts. 3284 */ 3285 ar->hw_rate_code = hw_rate_code; 3286 3287 vdev_param = WMI_VDEV_PARAM_BEACON_RATE; 3288 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, 3289 hw_rate_code); 3290 if (ret) 3291 ath11k_warn(ar->ab, "failed to set beacon tx rate %d\n", ret); 3292} 3293 3294static int ath11k_mac_fils_discovery(struct ath11k_vif *arvif, 3295 struct ieee80211_bss_conf *info) 3296{ 3297 struct ath11k *ar = arvif->ar; 3298 struct sk_buff *tmpl; 3299 int ret; 3300 u32 interval; 3301 bool unsol_bcast_probe_resp_enabled = false; 3302 3303 if (info->fils_discovery.max_interval) { 3304 interval = info->fils_discovery.max_interval; 3305 3306 tmpl = ieee80211_get_fils_discovery_tmpl(ar->hw, arvif->vif); 3307 if (tmpl) 3308 ret = ath11k_wmi_fils_discovery_tmpl(ar, arvif->vdev_id, 3309 tmpl); 3310 } else if (info->unsol_bcast_probe_resp_interval) { 3311 unsol_bcast_probe_resp_enabled = 1; 3312 interval = info->unsol_bcast_probe_resp_interval; 3313 3314 tmpl = ieee80211_get_unsol_bcast_probe_resp_tmpl(ar->hw, 3315 arvif->vif); 3316 if (tmpl) 3317 ret = ath11k_wmi_probe_resp_tmpl(ar, arvif->vdev_id, 3318 tmpl); 3319 } else { /* Disable */ 3320 return ath11k_wmi_fils_discovery(ar, arvif->vdev_id, 0, false); 3321 } 3322 3323 if (!tmpl) { 3324 ath11k_warn(ar->ab, 3325 "mac vdev %i failed to retrieve %s template\n", 3326 arvif->vdev_id, (unsol_bcast_probe_resp_enabled ? 3327 "unsolicited broadcast probe response" : 3328 "FILS discovery")); 3329 return -EPERM; 3330 } 3331 kfree_skb(tmpl); 3332 3333 if (!ret) 3334 ret = ath11k_wmi_fils_discovery(ar, arvif->vdev_id, interval, 3335 unsol_bcast_probe_resp_enabled); 3336 3337 return ret; 3338} 3339 3340static int ath11k_mac_config_obss_pd(struct ath11k *ar, 3341 struct ieee80211_he_obss_pd *he_obss_pd) 3342{ 3343 u32 bitmap[2], param_id, param_val, pdev_id; 3344 int ret; 3345 s8 non_srg_th = 0, srg_th = 0; 3346 3347 pdev_id = ar->pdev->pdev_id; 3348 3349 /* Set and enable SRG/non-SRG OBSS PD Threshold */ 3350 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_THRESHOLD; 3351 if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) { 3352 ret = ath11k_wmi_pdev_set_param(ar, param_id, 0, pdev_id); 3353 if (ret) 3354 ath11k_warn(ar->ab, 3355 "failed to set obss_pd_threshold for pdev: %u\n", 3356 pdev_id); 3357 return ret; 3358 } 3359 3360 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3361 "obss pd sr_ctrl %x non_srg_thres %u srg_max %u\n", 3362 he_obss_pd->sr_ctrl, he_obss_pd->non_srg_max_offset, 3363 he_obss_pd->max_offset); 3364 3365 param_val = 0; 3366 3367 if (he_obss_pd->sr_ctrl & 3368 IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED) { 3369 non_srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD; 3370 } else { 3371 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) 3372 non_srg_th = (ATH11K_OBSS_PD_MAX_THRESHOLD + 3373 he_obss_pd->non_srg_max_offset); 3374 else 3375 non_srg_th = ATH11K_OBSS_PD_NON_SRG_MAX_THRESHOLD; 3376 3377 param_val |= ATH11K_OBSS_PD_NON_SRG_EN; 3378 } 3379 3380 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) { 3381 srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD + he_obss_pd->max_offset; 3382 param_val |= ATH11K_OBSS_PD_SRG_EN; 3383 } 3384 3385 if (test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT, 3386 ar->ab->wmi_ab.svc_map)) { 3387 param_val |= ATH11K_OBSS_PD_THRESHOLD_IN_DBM; 3388 param_val |= FIELD_PREP(GENMASK(15, 8), srg_th); 3389 } else { 3390 non_srg_th -= ATH11K_DEFAULT_NOISE_FLOOR; 3391 /* SRG not supported and threshold in dB */ 3392 param_val &= ~(ATH11K_OBSS_PD_SRG_EN | 3393 ATH11K_OBSS_PD_THRESHOLD_IN_DBM); 3394 } 3395 3396 param_val |= (non_srg_th & GENMASK(7, 0)); 3397 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id); 3398 if (ret) { 3399 ath11k_warn(ar->ab, 3400 "failed to set obss_pd_threshold for pdev: %u\n", 3401 pdev_id); 3402 return ret; 3403 } 3404 3405 /* Enable OBSS PD for all access category */ 3406 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_PER_AC; 3407 param_val = 0xf; 3408 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id); 3409 if (ret) { 3410 ath11k_warn(ar->ab, 3411 "failed to set obss_pd_per_ac for pdev: %u\n", 3412 pdev_id); 3413 return ret; 3414 } 3415 3416 /* Set SR Prohibit */ 3417 param_id = WMI_PDEV_PARAM_ENABLE_SR_PROHIBIT; 3418 param_val = !!(he_obss_pd->sr_ctrl & 3419 IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED); 3420 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id); 3421 if (ret) { 3422 ath11k_warn(ar->ab, "failed to set sr_prohibit for pdev: %u\n", 3423 pdev_id); 3424 return ret; 3425 } 3426 3427 if (!test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT, 3428 ar->ab->wmi_ab.svc_map)) 3429 return 0; 3430 3431 /* Set SRG BSS Color Bitmap */ 3432 memcpy(bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap)); 3433 ret = ath11k_wmi_pdev_set_srg_bss_color_bitmap(ar, bitmap); 3434 if (ret) { 3435 ath11k_warn(ar->ab, 3436 "failed to set bss_color_bitmap for pdev: %u\n", 3437 pdev_id); 3438 return ret; 3439 } 3440 3441 /* Set SRG Partial BSSID Bitmap */ 3442 memcpy(bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap)); 3443 ret = ath11k_wmi_pdev_set_srg_patial_bssid_bitmap(ar, bitmap); 3444 if (ret) { 3445 ath11k_warn(ar->ab, 3446 "failed to set partial_bssid_bitmap for pdev: %u\n", 3447 pdev_id); 3448 return ret; 3449 } 3450 3451 memset(bitmap, 0xff, sizeof(bitmap)); 3452 3453 /* Enable all BSS Colors for SRG */ 3454 ret = ath11k_wmi_pdev_srg_obss_color_enable_bitmap(ar, bitmap); 3455 if (ret) { 3456 ath11k_warn(ar->ab, 3457 "failed to set srg_color_en_bitmap pdev: %u\n", 3458 pdev_id); 3459 return ret; 3460 } 3461 3462 /* Enable all partial BSSID mask for SRG */ 3463 ret = ath11k_wmi_pdev_srg_obss_bssid_enable_bitmap(ar, bitmap); 3464 if (ret) { 3465 ath11k_warn(ar->ab, 3466 "failed to set srg_bssid_en_bitmap pdev: %u\n", 3467 pdev_id); 3468 return ret; 3469 } 3470 3471 /* Enable all BSS Colors for non-SRG */ 3472 ret = ath11k_wmi_pdev_non_srg_obss_color_enable_bitmap(ar, bitmap); 3473 if (ret) { 3474 ath11k_warn(ar->ab, 3475 "failed to set non_srg_color_en_bitmap pdev: %u\n", 3476 pdev_id); 3477 return ret; 3478 } 3479 3480 /* Enable all partial BSSID mask for non-SRG */ 3481 ret = ath11k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(ar, bitmap); 3482 if (ret) { 3483 ath11k_warn(ar->ab, 3484 "failed to set non_srg_bssid_en_bitmap pdev: %u\n", 3485 pdev_id); 3486 return ret; 3487 } 3488 3489 return 0; 3490} 3491 3492static bool ath11k_mac_supports_station_tpc(struct ath11k *ar, 3493 struct ath11k_vif *arvif, 3494 const struct cfg80211_chan_def *chandef) 3495{ 3496 return ath11k_wmi_supports_6ghz_cc_ext(ar) && 3497 test_bit(WMI_TLV_SERVICE_EXT_TPC_REG_SUPPORT, ar->ab->wmi_ab.svc_map) && 3498 arvif->vdev_type == WMI_VDEV_TYPE_STA && 3499 arvif->vdev_subtype == WMI_VDEV_SUBTYPE_NONE && 3500 chandef->chan && 3501 chandef->chan->band == NL80211_BAND_6GHZ; 3502} 3503 3504static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw, 3505 struct ieee80211_vif *vif, 3506 struct ieee80211_bss_conf *info, 3507 u64 changed) 3508{ 3509 struct ath11k *ar = hw->priv; 3510 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3511 struct cfg80211_chan_def def; 3512 u32 param_id, param_value; 3513 enum nl80211_band band; 3514 u32 vdev_param; 3515 int mcast_rate; 3516 u32 preamble; 3517 u16 hw_value; 3518 u16 bitrate; 3519 int ret = 0; 3520 u8 rateidx; 3521 u32 rate, param; 3522 u32 ipv4_cnt; 3523 3524 mutex_lock(&ar->conf_mutex); 3525 3526 if (changed & BSS_CHANGED_BEACON_INT) { 3527 arvif->beacon_interval = info->beacon_int; 3528 3529 param_id = WMI_VDEV_PARAM_BEACON_INTERVAL; 3530 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3531 param_id, 3532 arvif->beacon_interval); 3533 if (ret) 3534 ath11k_warn(ar->ab, "Failed to set beacon interval for VDEV: %d\n", 3535 arvif->vdev_id); 3536 else 3537 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3538 "Beacon interval: %d set for VDEV: %d\n", 3539 arvif->beacon_interval, arvif->vdev_id); 3540 } 3541 3542 if (changed & BSS_CHANGED_BEACON) { 3543 param_id = WMI_PDEV_PARAM_BEACON_TX_MODE; 3544 param_value = WMI_BEACON_STAGGERED_MODE; 3545 ret = ath11k_wmi_pdev_set_param(ar, param_id, 3546 param_value, ar->pdev->pdev_id); 3547 if (ret) 3548 ath11k_warn(ar->ab, "Failed to set beacon mode for VDEV: %d\n", 3549 arvif->vdev_id); 3550 else 3551 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3552 "Set staggered beacon mode for VDEV: %d\n", 3553 arvif->vdev_id); 3554 3555 if (!arvif->do_not_send_tmpl || !arvif->bcca_zero_sent) { 3556 ret = ath11k_mac_setup_bcn_tmpl(arvif); 3557 if (ret) 3558 ath11k_warn(ar->ab, "failed to update bcn template: %d\n", 3559 ret); 3560 } 3561 3562 if (arvif->bcca_zero_sent) 3563 arvif->do_not_send_tmpl = true; 3564 else 3565 arvif->do_not_send_tmpl = false; 3566 3567 if (vif->bss_conf.he_support) { 3568 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3569 WMI_VDEV_PARAM_BA_MODE, 3570 WMI_BA_MODE_BUFFER_SIZE_256); 3571 if (ret) 3572 ath11k_warn(ar->ab, 3573 "failed to set BA BUFFER SIZE 256 for vdev: %d\n", 3574 arvif->vdev_id); 3575 else 3576 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3577 "Set BA BUFFER SIZE 256 for VDEV: %d\n", 3578 arvif->vdev_id); 3579 } 3580 } 3581 3582 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { 3583 arvif->dtim_period = info->dtim_period; 3584 3585 param_id = WMI_VDEV_PARAM_DTIM_PERIOD; 3586 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3587 param_id, 3588 arvif->dtim_period); 3589 3590 if (ret) 3591 ath11k_warn(ar->ab, "Failed to set dtim period for VDEV %d: %i\n", 3592 arvif->vdev_id, ret); 3593 else 3594 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3595 "DTIM period: %d set for VDEV: %d\n", 3596 arvif->dtim_period, arvif->vdev_id); 3597 } 3598 3599 if (changed & BSS_CHANGED_SSID && 3600 vif->type == NL80211_IFTYPE_AP) { 3601 arvif->u.ap.ssid_len = vif->cfg.ssid_len; 3602 if (vif->cfg.ssid_len) 3603 memcpy(arvif->u.ap.ssid, vif->cfg.ssid, 3604 vif->cfg.ssid_len); 3605 arvif->u.ap.hidden_ssid = info->hidden_ssid; 3606 } 3607 3608 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) 3609 ether_addr_copy(arvif->bssid, info->bssid); 3610 3611 if (changed & BSS_CHANGED_BEACON_ENABLED) { 3612 if (info->enable_beacon) 3613 ath11k_mac_set_he_txbf_conf(arvif); 3614 ath11k_control_beaconing(arvif, info); 3615 3616 if (arvif->is_up && vif->bss_conf.he_support && 3617 vif->bss_conf.he_oper.params) { 3618 param_id = WMI_VDEV_PARAM_HEOPS_0_31; 3619 param_value = vif->bss_conf.he_oper.params; 3620 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3621 param_id, param_value); 3622 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3623 "he oper param: %x set for VDEV: %d\n", 3624 param_value, arvif->vdev_id); 3625 3626 if (ret) 3627 ath11k_warn(ar->ab, "Failed to set he oper params %x for VDEV %d: %i\n", 3628 param_value, arvif->vdev_id, ret); 3629 } 3630 } 3631 3632 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 3633 u32 cts_prot; 3634 3635 cts_prot = !!(info->use_cts_prot); 3636 param_id = WMI_VDEV_PARAM_PROTECTION_MODE; 3637 3638 if (arvif->is_started) { 3639 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3640 param_id, cts_prot); 3641 if (ret) 3642 ath11k_warn(ar->ab, "Failed to set CTS prot for VDEV: %d\n", 3643 arvif->vdev_id); 3644 else 3645 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set CTS prot: %d for VDEV: %d\n", 3646 cts_prot, arvif->vdev_id); 3647 } else { 3648 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "defer protection mode setup, vdev is not ready yet\n"); 3649 } 3650 } 3651 3652 if (changed & BSS_CHANGED_ERP_SLOT) { 3653 u32 slottime; 3654 3655 if (info->use_short_slot) 3656 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ 3657 3658 else 3659 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ 3660 3661 param_id = WMI_VDEV_PARAM_SLOT_TIME; 3662 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3663 param_id, slottime); 3664 if (ret) 3665 ath11k_warn(ar->ab, "Failed to set erp slot for VDEV: %d\n", 3666 arvif->vdev_id); 3667 else 3668 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3669 "Set slottime: %d for VDEV: %d\n", 3670 slottime, arvif->vdev_id); 3671 } 3672 3673 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 3674 u32 preamble; 3675 3676 if (info->use_short_preamble) 3677 preamble = WMI_VDEV_PREAMBLE_SHORT; 3678 else 3679 preamble = WMI_VDEV_PREAMBLE_LONG; 3680 3681 param_id = WMI_VDEV_PARAM_PREAMBLE; 3682 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3683 param_id, preamble); 3684 if (ret) 3685 ath11k_warn(ar->ab, "Failed to set preamble for VDEV: %d\n", 3686 arvif->vdev_id); 3687 else 3688 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3689 "Set preamble: %d for VDEV: %d\n", 3690 preamble, arvif->vdev_id); 3691 } 3692 3693 if (changed & BSS_CHANGED_ASSOC) { 3694 if (vif->cfg.assoc) 3695 ath11k_bss_assoc(hw, vif, info); 3696 else 3697 ath11k_bss_disassoc(hw, vif); 3698 } 3699 3700 if (changed & BSS_CHANGED_TXPOWER) { 3701 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev_id %i txpower %d\n", 3702 arvif->vdev_id, info->txpower); 3703 arvif->txpower = info->txpower; 3704 ath11k_mac_txpower_recalc(ar); 3705 } 3706 3707 if (changed & BSS_CHANGED_PS && 3708 ar->ab->hw_params.supports_sta_ps) { 3709 arvif->ps = vif->cfg.ps; 3710 3711 ret = ath11k_mac_config_ps(ar); 3712 if (ret) 3713 ath11k_warn(ar->ab, "failed to setup ps on vdev %i: %d\n", 3714 arvif->vdev_id, ret); 3715 } 3716 3717 if (changed & BSS_CHANGED_MCAST_RATE && 3718 !ath11k_mac_vif_chan(arvif->vif, &def)) { 3719 band = def.chan->band; 3720 mcast_rate = vif->bss_conf.mcast_rate[band]; 3721 3722 if (mcast_rate > 0) 3723 rateidx = mcast_rate - 1; 3724 else 3725 rateidx = ffs(vif->bss_conf.basic_rates) - 1; 3726 3727 if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) 3728 rateidx += ATH11K_MAC_FIRST_OFDM_RATE_IDX; 3729 3730 bitrate = ath11k_legacy_rates[rateidx].bitrate; 3731 hw_value = ath11k_legacy_rates[rateidx].hw_value; 3732 3733 if (ath11k_mac_bitrate_is_cck(bitrate)) 3734 preamble = WMI_RATE_PREAMBLE_CCK; 3735 else 3736 preamble = WMI_RATE_PREAMBLE_OFDM; 3737 3738 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble); 3739 3740 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3741 "vdev %d mcast_rate %x\n", 3742 arvif->vdev_id, rate); 3743 3744 vdev_param = WMI_VDEV_PARAM_MCAST_DATA_RATE; 3745 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3746 vdev_param, rate); 3747 if (ret) 3748 ath11k_warn(ar->ab, 3749 "failed to set mcast rate on vdev %i: %d\n", 3750 arvif->vdev_id, ret); 3751 3752 vdev_param = WMI_VDEV_PARAM_BCAST_DATA_RATE; 3753 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3754 vdev_param, rate); 3755 if (ret) 3756 ath11k_warn(ar->ab, 3757 "failed to set bcast rate on vdev %i: %d\n", 3758 arvif->vdev_id, ret); 3759 } 3760 3761 if (changed & BSS_CHANGED_BASIC_RATES && 3762 !ath11k_mac_vif_chan(arvif->vif, &def)) 3763 ath11k_recalculate_mgmt_rate(ar, vif, &def); 3764 3765 if (changed & BSS_CHANGED_TWT) { 3766 struct wmi_twt_enable_params twt_params = {}; 3767 3768 if (info->twt_requester || info->twt_responder) { 3769 ath11k_wmi_fill_default_twt_params(&twt_params); 3770 ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id, 3771 &twt_params); 3772 } else { 3773 ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id); 3774 } 3775 } 3776 3777 if (changed & BSS_CHANGED_HE_OBSS_PD) 3778 ath11k_mac_config_obss_pd(ar, &info->he_obss_pd); 3779 3780 if (changed & BSS_CHANGED_HE_BSS_COLOR) { 3781 if (vif->type == NL80211_IFTYPE_AP) { 3782 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd( 3783 ar, arvif->vdev_id, info->he_bss_color.color, 3784 ATH11K_BSS_COLOR_COLLISION_DETECTION_AP_PERIOD_MS, 3785 info->he_bss_color.enabled); 3786 if (ret) 3787 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n", 3788 arvif->vdev_id, ret); 3789 3790 param_id = WMI_VDEV_PARAM_BSS_COLOR; 3791 if (info->he_bss_color.enabled) 3792 param_value = info->he_bss_color.color << 3793 IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET; 3794 else 3795 param_value = IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED; 3796 3797 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3798 param_id, 3799 param_value); 3800 if (ret) 3801 ath11k_warn(ar->ab, 3802 "failed to set bss color param on vdev %i: %d\n", 3803 arvif->vdev_id, ret); 3804 3805 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3806 "bss color param 0x%x set on vdev %i\n", 3807 param_value, arvif->vdev_id); 3808 } else if (vif->type == NL80211_IFTYPE_STATION) { 3809 ret = ath11k_wmi_send_bss_color_change_enable_cmd(ar, 3810 arvif->vdev_id, 3811 1); 3812 if (ret) 3813 ath11k_warn(ar->ab, "failed to enable bss color change on vdev %i: %d\n", 3814 arvif->vdev_id, ret); 3815 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd( 3816 ar, arvif->vdev_id, 0, 3817 ATH11K_BSS_COLOR_COLLISION_DETECTION_STA_PERIOD_MS, 1); 3818 if (ret) 3819 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n", 3820 arvif->vdev_id, ret); 3821 } 3822 } 3823 3824 if (changed & BSS_CHANGED_FTM_RESPONDER && 3825 arvif->ftm_responder != info->ftm_responder && 3826 test_bit(WMI_TLV_SERVICE_RTT, ar->ab->wmi_ab.svc_map) && 3827 (vif->type == NL80211_IFTYPE_AP || 3828 vif->type == NL80211_IFTYPE_MESH_POINT)) { 3829 arvif->ftm_responder = info->ftm_responder; 3830 param = WMI_VDEV_PARAM_ENABLE_DISABLE_RTT_RESPONDER_ROLE; 3831 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, 3832 arvif->ftm_responder); 3833 if (ret) 3834 ath11k_warn(ar->ab, "Failed to set ftm responder %i: %d\n", 3835 arvif->vdev_id, ret); 3836 } 3837 3838 if (changed & BSS_CHANGED_FILS_DISCOVERY || 3839 changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP) 3840 ath11k_mac_fils_discovery(arvif, info); 3841 3842 if (changed & BSS_CHANGED_ARP_FILTER) { 3843 ipv4_cnt = min(vif->cfg.arp_addr_cnt, ATH11K_IPV4_MAX_COUNT); 3844 memcpy(arvif->arp_ns_offload.ipv4_addr, 3845 vif->cfg.arp_addr_list, 3846 ipv4_cnt * sizeof(u32)); 3847 memcpy(arvif->arp_ns_offload.mac_addr, vif->addr, ETH_ALEN); 3848 arvif->arp_ns_offload.ipv4_count = ipv4_cnt; 3849 3850 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "arp_addr_cnt %d vif->addr %pM, offload_addr %pI4\n", 3851 vif->cfg.arp_addr_cnt, 3852 vif->addr, arvif->arp_ns_offload.ipv4_addr); 3853 } 3854 3855 mutex_unlock(&ar->conf_mutex); 3856} 3857 3858void __ath11k_mac_scan_finish(struct ath11k *ar) 3859{ 3860 lockdep_assert_held(&ar->data_lock); 3861 3862 switch (ar->scan.state) { 3863 case ATH11K_SCAN_IDLE: 3864 break; 3865 case ATH11K_SCAN_RUNNING: 3866 case ATH11K_SCAN_ABORTING: 3867 if (ar->scan.is_roc && ar->scan.roc_notify) 3868 ieee80211_remain_on_channel_expired(ar->hw); 3869 fallthrough; 3870 case ATH11K_SCAN_STARTING: 3871 if (!ar->scan.is_roc) { 3872 struct cfg80211_scan_info info = { 3873 .aborted = ((ar->scan.state == 3874 ATH11K_SCAN_ABORTING) || 3875 (ar->scan.state == 3876 ATH11K_SCAN_STARTING)), 3877 }; 3878 3879 ieee80211_scan_completed(ar->hw, &info); 3880 } 3881 3882 ar->scan.state = ATH11K_SCAN_IDLE; 3883 ar->scan_channel = NULL; 3884 ar->scan.roc_freq = 0; 3885 cancel_delayed_work(&ar->scan.timeout); 3886 complete_all(&ar->scan.completed); 3887 break; 3888 } 3889} 3890 3891void ath11k_mac_scan_finish(struct ath11k *ar) 3892{ 3893 spin_lock_bh(&ar->data_lock); 3894 __ath11k_mac_scan_finish(ar); 3895 spin_unlock_bh(&ar->data_lock); 3896} 3897 3898static int ath11k_scan_stop(struct ath11k *ar) 3899{ 3900 struct scan_cancel_param arg = { 3901 .req_type = WLAN_SCAN_CANCEL_SINGLE, 3902 .scan_id = ATH11K_SCAN_ID, 3903 }; 3904 int ret; 3905 3906 lockdep_assert_held(&ar->conf_mutex); 3907 3908 /* TODO: Fill other STOP Params */ 3909 arg.pdev_id = ar->pdev->pdev_id; 3910 3911 ret = ath11k_wmi_send_scan_stop_cmd(ar, &arg); 3912 if (ret) { 3913 ath11k_warn(ar->ab, "failed to stop wmi scan: %d\n", ret); 3914 goto out; 3915 } 3916 3917 ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ); 3918 if (ret == 0) { 3919 ath11k_warn(ar->ab, 3920 "failed to receive scan abort comple: timed out\n"); 3921 ret = -ETIMEDOUT; 3922 } else if (ret > 0) { 3923 ret = 0; 3924 } 3925 3926out: 3927 /* Scan state should be updated upon scan completion but in case 3928 * firmware fails to deliver the event (for whatever reason) it is 3929 * desired to clean up scan state anyway. Firmware may have just 3930 * dropped the scan completion event delivery due to transport pipe 3931 * being overflown with data and/or it can recover on its own before 3932 * next scan request is submitted. 3933 */ 3934 spin_lock_bh(&ar->data_lock); 3935 if (ar->scan.state != ATH11K_SCAN_IDLE) 3936 __ath11k_mac_scan_finish(ar); 3937 spin_unlock_bh(&ar->data_lock); 3938 3939 return ret; 3940} 3941 3942static void ath11k_scan_abort(struct ath11k *ar) 3943{ 3944 int ret; 3945 3946 lockdep_assert_held(&ar->conf_mutex); 3947 3948 spin_lock_bh(&ar->data_lock); 3949 3950 switch (ar->scan.state) { 3951 case ATH11K_SCAN_IDLE: 3952 /* This can happen if timeout worker kicked in and called 3953 * abortion while scan completion was being processed. 3954 */ 3955 break; 3956 case ATH11K_SCAN_STARTING: 3957 case ATH11K_SCAN_ABORTING: 3958 ath11k_warn(ar->ab, "refusing scan abortion due to invalid scan state: %d\n", 3959 ar->scan.state); 3960 break; 3961 case ATH11K_SCAN_RUNNING: 3962 ar->scan.state = ATH11K_SCAN_ABORTING; 3963 spin_unlock_bh(&ar->data_lock); 3964 3965 ret = ath11k_scan_stop(ar); 3966 if (ret) 3967 ath11k_warn(ar->ab, "failed to abort scan: %d\n", ret); 3968 3969 spin_lock_bh(&ar->data_lock); 3970 break; 3971 } 3972 3973 spin_unlock_bh(&ar->data_lock); 3974} 3975 3976static void ath11k_scan_timeout_work(struct work_struct *work) 3977{ 3978 struct ath11k *ar = container_of(work, struct ath11k, 3979 scan.timeout.work); 3980 3981 mutex_lock(&ar->conf_mutex); 3982 ath11k_scan_abort(ar); 3983 mutex_unlock(&ar->conf_mutex); 3984} 3985 3986static int ath11k_start_scan(struct ath11k *ar, 3987 struct scan_req_params *arg) 3988{ 3989 int ret; 3990 unsigned long timeout = 1 * HZ; 3991 3992 lockdep_assert_held(&ar->conf_mutex); 3993 3994 if (ath11k_spectral_get_mode(ar) == ATH11K_SPECTRAL_BACKGROUND) 3995 ath11k_spectral_reset_buffer(ar); 3996 3997 ret = ath11k_wmi_send_scan_start_cmd(ar, arg); 3998 if (ret) 3999 return ret; 4000 4001 if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) { 4002 timeout = 5 * HZ; 4003 4004 if (ar->supports_6ghz) 4005 timeout += 5 * HZ; 4006 } 4007 4008 ret = wait_for_completion_timeout(&ar->scan.started, timeout); 4009 if (ret == 0) { 4010 ret = ath11k_scan_stop(ar); 4011 if (ret) 4012 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret); 4013 4014 return -ETIMEDOUT; 4015 } 4016 4017 /* If we failed to start the scan, return error code at 4018 * this point. This is probably due to some issue in the 4019 * firmware, but no need to wedge the driver due to that... 4020 */ 4021 spin_lock_bh(&ar->data_lock); 4022 if (ar->scan.state == ATH11K_SCAN_IDLE) { 4023 spin_unlock_bh(&ar->data_lock); 4024 return -EINVAL; 4025 } 4026 spin_unlock_bh(&ar->data_lock); 4027 4028 return 0; 4029} 4030 4031static void ath11k_mac_fw_stats_reset(struct ath11k *ar) 4032{ 4033 spin_lock_bh(&ar->data_lock); 4034 ath11k_fw_stats_pdevs_free(&ar->fw_stats.pdevs); 4035 ath11k_fw_stats_vdevs_free(&ar->fw_stats.vdevs); 4036 ar->fw_stats.num_vdev_recvd = 0; 4037 ar->fw_stats.num_bcn_recvd = 0; 4038 spin_unlock_bh(&ar->data_lock); 4039} 4040 4041int ath11k_mac_fw_stats_request(struct ath11k *ar, 4042 struct stats_request_params *req_param) 4043{ 4044 struct ath11k_base *ab = ar->ab; 4045 unsigned long time_left; 4046 int ret; 4047 4048 lockdep_assert_held(&ar->conf_mutex); 4049 4050 ath11k_mac_fw_stats_reset(ar); 4051 4052 reinit_completion(&ar->fw_stats_complete); 4053 reinit_completion(&ar->fw_stats_done); 4054 4055 ret = ath11k_wmi_send_stats_request_cmd(ar, req_param); 4056 4057 if (ret) { 4058 ath11k_warn(ab, "could not request fw stats (%d)\n", 4059 ret); 4060 return ret; 4061 } 4062 4063 time_left = wait_for_completion_timeout(&ar->fw_stats_complete, 1 * HZ); 4064 if (!time_left) 4065 return -ETIMEDOUT; 4066 4067 /* FW stats can get split when exceeding the stats data buffer limit. 4068 * In that case, since there is no end marking for the back-to-back 4069 * received 'update stats' event, we keep a 3 seconds timeout in case, 4070 * fw_stats_done is not marked yet 4071 */ 4072 time_left = wait_for_completion_timeout(&ar->fw_stats_done, 3 * HZ); 4073 if (!time_left) 4074 return -ETIMEDOUT; 4075 4076 return 0; 4077} 4078 4079static int ath11k_mac_get_fw_stats(struct ath11k *ar, u32 pdev_id, 4080 u32 vdev_id, u32 stats_id) 4081{ 4082 struct ath11k_base *ab = ar->ab; 4083 struct stats_request_params req_param; 4084 int ret; 4085 4086 lockdep_assert_held(&ar->conf_mutex); 4087 4088 if (ar->state != ATH11K_STATE_ON) 4089 return -ENETDOWN; 4090 4091 req_param.pdev_id = pdev_id; 4092 req_param.vdev_id = vdev_id; 4093 req_param.stats_id = stats_id; 4094 4095 ret = ath11k_mac_fw_stats_request(ar, &req_param); 4096 if (ret) 4097 ath11k_warn(ab, "failed to request fw stats: %d\n", ret); 4098 4099 ath11k_dbg(ab, ATH11K_DBG_WMI, 4100 "debug get fw stat pdev id %d vdev id %d stats id 0x%x\n", 4101 pdev_id, vdev_id, stats_id); 4102 4103 return ret; 4104} 4105 4106static int ath11k_mac_handle_get_txpower(struct ath11k *ar, 4107 struct ieee80211_vif *vif, 4108 int *dbm) 4109{ 4110 struct ath11k_base *ab = ar->ab; 4111 struct ath11k_fw_stats_pdev *pdev; 4112 int ret; 4113 4114 /* Final Tx power is minimum of Target Power, CTL power, Regulatory 4115 * Power, PSD EIRP Power. We just know the Regulatory power from the 4116 * regulatory rules obtained. FW knows all these power and sets the min 4117 * of these. Hence, we request the FW pdev stats in which FW reports 4118 * the minimum of all vdev's channel Tx power. 4119 */ 4120 lockdep_assert_held(&ar->conf_mutex); 4121 4122 /* Firmware doesn't provide Tx power during CAC hence no need to fetch 4123 * the stats. 4124 */ 4125 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) 4126 return -EAGAIN; 4127 4128 ret = ath11k_mac_get_fw_stats(ar, ar->pdev->pdev_id, 0, 4129 WMI_REQUEST_PDEV_STAT); 4130 if (ret) { 4131 ath11k_warn(ab, "failed to request fw pdev stats: %d\n", ret); 4132 goto err_fallback; 4133 } 4134 4135 spin_lock_bh(&ar->data_lock); 4136 pdev = list_first_entry_or_null(&ar->fw_stats.pdevs, 4137 struct ath11k_fw_stats_pdev, list); 4138 if (!pdev) { 4139 spin_unlock_bh(&ar->data_lock); 4140 goto err_fallback; 4141 } 4142 4143 /* tx power is set as 2 units per dBm in FW. */ 4144 *dbm = pdev->chan_tx_power / 2; 4145 4146 spin_unlock_bh(&ar->data_lock); 4147 4148 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower from firmware %d, reported %d dBm\n", 4149 pdev->chan_tx_power, *dbm); 4150 return 0; 4151 4152err_fallback: 4153 /* We didn't get txpower from FW. Hence, relying on vif->bss_conf.txpower */ 4154 *dbm = vif->bss_conf.txpower; 4155 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower from firmware NaN, reported %d dBm\n", 4156 *dbm); 4157 return 0; 4158} 4159 4160static int ath11k_mac_op_get_txpower(struct ieee80211_hw *hw, 4161 struct ieee80211_vif *vif, 4162 unsigned int link_id, 4163 int *dbm) 4164{ 4165 struct ath11k *ar = hw->priv; 4166 int ret; 4167 4168 mutex_lock(&ar->conf_mutex); 4169 ret = ath11k_mac_handle_get_txpower(ar, vif, dbm); 4170 mutex_unlock(&ar->conf_mutex); 4171 4172 return ret; 4173} 4174 4175static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw, 4176 struct ieee80211_vif *vif, 4177 struct ieee80211_scan_request *hw_req) 4178{ 4179 struct ath11k *ar = hw->priv; 4180 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4181 struct cfg80211_scan_request *req = &hw_req->req; 4182 struct scan_req_params *arg = NULL; 4183 int ret = 0; 4184 int i; 4185 u32 scan_timeout; 4186 4187 /* Firmwares advertising the support of triggering 11D algorithm 4188 * on the scan results of a regular scan expects driver to send 4189 * WMI_11D_SCAN_START_CMDID before sending WMI_START_SCAN_CMDID. 4190 * With this feature, separate 11D scan can be avoided since 4191 * regdomain can be determined with the scan results of the 4192 * regular scan. 4193 */ 4194 if (ar->state_11d == ATH11K_11D_PREPARING && 4195 test_bit(WMI_TLV_SERVICE_SUPPORT_11D_FOR_HOST_SCAN, 4196 ar->ab->wmi_ab.svc_map)) 4197 ath11k_mac_11d_scan_start(ar, arvif->vdev_id); 4198 4199 mutex_lock(&ar->conf_mutex); 4200 4201 spin_lock_bh(&ar->data_lock); 4202 switch (ar->scan.state) { 4203 case ATH11K_SCAN_IDLE: 4204 reinit_completion(&ar->scan.started); 4205 reinit_completion(&ar->scan.completed); 4206 ar->scan.state = ATH11K_SCAN_STARTING; 4207 ar->scan.is_roc = false; 4208 ar->scan.vdev_id = arvif->vdev_id; 4209 ret = 0; 4210 break; 4211 case ATH11K_SCAN_STARTING: 4212 case ATH11K_SCAN_RUNNING: 4213 case ATH11K_SCAN_ABORTING: 4214 ret = -EBUSY; 4215 break; 4216 } 4217 spin_unlock_bh(&ar->data_lock); 4218 4219 if (ret) 4220 goto exit; 4221 4222 arg = kzalloc(sizeof(*arg), GFP_KERNEL); 4223 4224 if (!arg) { 4225 ret = -ENOMEM; 4226 goto exit; 4227 } 4228 4229 ath11k_wmi_start_scan_init(ar, arg); 4230 arg->vdev_id = arvif->vdev_id; 4231 arg->scan_id = ATH11K_SCAN_ID; 4232 4233 if (ar->ab->hw_params.single_pdev_only) 4234 arg->scan_f_filter_prb_req = 1; 4235 4236 if (req->ie_len) { 4237 arg->extraie.ptr = kmemdup(req->ie, req->ie_len, GFP_KERNEL); 4238 if (!arg->extraie.ptr) { 4239 ret = -ENOMEM; 4240 goto exit; 4241 } 4242 arg->extraie.len = req->ie_len; 4243 } 4244 4245 if (req->n_ssids) { 4246 arg->num_ssids = req->n_ssids; 4247 for (i = 0; i < arg->num_ssids; i++) { 4248 arg->ssid[i].length = req->ssids[i].ssid_len; 4249 memcpy(&arg->ssid[i].ssid, req->ssids[i].ssid, 4250 req->ssids[i].ssid_len); 4251 } 4252 } else { 4253 arg->scan_f_passive = 1; 4254 } 4255 4256 if (req->n_channels) { 4257 arg->num_chan = req->n_channels; 4258 arg->chan_list = kcalloc(arg->num_chan, sizeof(*arg->chan_list), 4259 GFP_KERNEL); 4260 4261 if (!arg->chan_list) { 4262 ret = -ENOMEM; 4263 goto exit; 4264 } 4265 4266 for (i = 0; i < arg->num_chan; i++) { 4267 if (test_bit(WMI_TLV_SERVICE_SCAN_CONFIG_PER_CHANNEL, 4268 ar->ab->wmi_ab.svc_map)) { 4269 arg->chan_list[i] = 4270 u32_encode_bits(req->channels[i]->center_freq, 4271 WMI_SCAN_CONFIG_PER_CHANNEL_MASK); 4272 4273 /* If NL80211_SCAN_FLAG_COLOCATED_6GHZ is set in scan 4274 * flags, then scan all PSC channels in 6 GHz band and 4275 * those non-PSC channels where RNR IE is found during 4276 * the legacy 2.4/5 GHz scan. 4277 * If NL80211_SCAN_FLAG_COLOCATED_6GHZ is not set, 4278 * then all channels in 6 GHz will be scanned. 4279 */ 4280 if (req->channels[i]->band == NL80211_BAND_6GHZ && 4281 req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ && 4282 !cfg80211_channel_is_psc(req->channels[i])) 4283 arg->chan_list[i] |= 4284 WMI_SCAN_CH_FLAG_SCAN_ONLY_IF_RNR_FOUND; 4285 } else { 4286 arg->chan_list[i] = req->channels[i]->center_freq; 4287 } 4288 } 4289 } 4290 4291 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 4292 arg->scan_f_add_spoofed_mac_in_probe = 1; 4293 ether_addr_copy(arg->mac_addr.addr, req->mac_addr); 4294 ether_addr_copy(arg->mac_mask.addr, req->mac_addr_mask); 4295 } 4296 4297 /* if duration is set, default dwell times will be overwritten */ 4298 if (req->duration) { 4299 arg->dwell_time_active = req->duration; 4300 arg->dwell_time_active_2g = req->duration; 4301 arg->dwell_time_active_6g = req->duration; 4302 arg->dwell_time_passive = req->duration; 4303 arg->dwell_time_passive_6g = req->duration; 4304 arg->burst_duration = req->duration; 4305 4306 scan_timeout = min_t(u32, arg->max_rest_time * 4307 (arg->num_chan - 1) + (req->duration + 4308 ATH11K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) * 4309 arg->num_chan, arg->max_scan_time); 4310 } else { 4311 scan_timeout = arg->max_scan_time; 4312 } 4313 4314 /* Add a margin to account for event/command processing */ 4315 scan_timeout += ATH11K_MAC_SCAN_CMD_EVT_OVERHEAD; 4316 4317 ret = ath11k_start_scan(ar, arg); 4318 if (ret) { 4319 ath11k_warn(ar->ab, "failed to start hw scan: %d\n", ret); 4320 spin_lock_bh(&ar->data_lock); 4321 ar->scan.state = ATH11K_SCAN_IDLE; 4322 spin_unlock_bh(&ar->data_lock); 4323 } 4324 4325 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, 4326 msecs_to_jiffies(scan_timeout)); 4327 4328exit: 4329 if (arg) { 4330 kfree(arg->chan_list); 4331 kfree(arg->extraie.ptr); 4332 kfree(arg); 4333 } 4334 4335 mutex_unlock(&ar->conf_mutex); 4336 4337 if (ar->state_11d == ATH11K_11D_PREPARING) 4338 ath11k_mac_11d_scan_start(ar, arvif->vdev_id); 4339 4340 return ret; 4341} 4342 4343static void ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw *hw, 4344 struct ieee80211_vif *vif) 4345{ 4346 struct ath11k *ar = hw->priv; 4347 4348 mutex_lock(&ar->conf_mutex); 4349 ath11k_scan_abort(ar); 4350 mutex_unlock(&ar->conf_mutex); 4351 4352 cancel_delayed_work_sync(&ar->scan.timeout); 4353} 4354 4355static int ath11k_install_key(struct ath11k_vif *arvif, 4356 struct ieee80211_key_conf *key, 4357 enum set_key_cmd cmd, 4358 const u8 *macaddr, u32 flags) 4359{ 4360 int ret; 4361 struct ath11k *ar = arvif->ar; 4362 struct wmi_vdev_install_key_arg arg = { 4363 .vdev_id = arvif->vdev_id, 4364 .key_idx = key->keyidx, 4365 .key_len = key->keylen, 4366 .key_data = key->key, 4367 .key_flags = flags, 4368 .macaddr = macaddr, 4369 }; 4370 4371 lockdep_assert_held(&arvif->ar->conf_mutex); 4372 4373 reinit_completion(&ar->install_key_done); 4374 4375 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags)) 4376 return 0; 4377 4378 if (cmd == DISABLE_KEY) { 4379 arg.key_cipher = WMI_CIPHER_NONE; 4380 arg.key_data = NULL; 4381 goto install; 4382 } 4383 4384 switch (key->cipher) { 4385 case WLAN_CIPHER_SUITE_CCMP: 4386 case WLAN_CIPHER_SUITE_CCMP_256: 4387 arg.key_cipher = WMI_CIPHER_AES_CCM; 4388 /* TODO: Re-check if flag is valid */ 4389 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; 4390 break; 4391 case WLAN_CIPHER_SUITE_TKIP: 4392 arg.key_cipher = WMI_CIPHER_TKIP; 4393 arg.key_txmic_len = 8; 4394 arg.key_rxmic_len = 8; 4395 break; 4396 case WLAN_CIPHER_SUITE_GCMP: 4397 case WLAN_CIPHER_SUITE_GCMP_256: 4398 arg.key_cipher = WMI_CIPHER_AES_GCM; 4399 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; 4400 break; 4401 default: 4402 ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher); 4403 return -EOPNOTSUPP; 4404 } 4405 4406 if (test_bit(ATH11K_FLAG_RAW_MODE, &ar->ab->dev_flags)) 4407 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV | 4408 IEEE80211_KEY_FLAG_RESERVE_TAILROOM; 4409 4410install: 4411 ret = ath11k_wmi_vdev_install_key(arvif->ar, &arg); 4412 4413 if (ret) 4414 return ret; 4415 4416 if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ)) 4417 return -ETIMEDOUT; 4418 4419 return ar->install_key_status ? -EINVAL : 0; 4420} 4421 4422static int ath11k_clear_peer_keys(struct ath11k_vif *arvif, 4423 const u8 *addr) 4424{ 4425 struct ath11k *ar = arvif->ar; 4426 struct ath11k_base *ab = ar->ab; 4427 struct ath11k_peer *peer; 4428 int first_errno = 0; 4429 int ret; 4430 int i; 4431 u32 flags = 0; 4432 4433 lockdep_assert_held(&ar->conf_mutex); 4434 4435 spin_lock_bh(&ab->base_lock); 4436 peer = ath11k_peer_find(ab, arvif->vdev_id, addr); 4437 spin_unlock_bh(&ab->base_lock); 4438 4439 if (!peer) 4440 return -ENOENT; 4441 4442 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { 4443 if (!peer->keys[i]) 4444 continue; 4445 4446 /* key flags are not required to delete the key */ 4447 ret = ath11k_install_key(arvif, peer->keys[i], 4448 DISABLE_KEY, addr, flags); 4449 if (ret < 0 && first_errno == 0) 4450 first_errno = ret; 4451 4452 if (ret < 0) 4453 ath11k_warn(ab, "failed to remove peer key %d: %d\n", 4454 i, ret); 4455 4456 spin_lock_bh(&ab->base_lock); 4457 peer->keys[i] = NULL; 4458 spin_unlock_bh(&ab->base_lock); 4459 } 4460 4461 return first_errno; 4462} 4463 4464static int ath11k_set_group_keys(struct ath11k_vif *arvif) 4465{ 4466 struct ath11k *ar = arvif->ar; 4467 struct ath11k_base *ab = ar->ab; 4468 const u8 *addr = arvif->bssid; 4469 int i, ret, first_errno = 0; 4470 struct ath11k_peer *peer; 4471 4472 spin_lock_bh(&ab->base_lock); 4473 peer = ath11k_peer_find(ab, arvif->vdev_id, addr); 4474 spin_unlock_bh(&ab->base_lock); 4475 4476 if (!peer) 4477 return -ENOENT; 4478 4479 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { 4480 struct ieee80211_key_conf *key = peer->keys[i]; 4481 4482 if (!key || (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 4483 continue; 4484 4485 ret = ath11k_install_key(arvif, key, SET_KEY, addr, 4486 WMI_KEY_GROUP); 4487 if (ret < 0 && first_errno == 0) 4488 first_errno = ret; 4489 4490 if (ret < 0) 4491 ath11k_warn(ab, "failed to set group key of idx %d for vdev %d: %d\n", 4492 i, arvif->vdev_id, ret); 4493 } 4494 4495 return first_errno; 4496} 4497 4498static int ath11k_mac_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4499 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4500 struct ieee80211_key_conf *key) 4501{ 4502 struct ath11k *ar = hw->priv; 4503 struct ath11k_base *ab = ar->ab; 4504 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4505 struct ath11k_peer *peer; 4506 struct ath11k_sta *arsta; 4507 bool is_ap_with_no_sta; 4508 const u8 *peer_addr; 4509 int ret = 0; 4510 u32 flags = 0; 4511 4512 /* BIP needs to be done in software */ 4513 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4514 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4515 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 || 4516 key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256) 4517 return 1; 4518 4519 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags)) 4520 return 1; 4521 4522 if (key->keyidx > WMI_MAX_KEY_INDEX) 4523 return -ENOSPC; 4524 4525 mutex_lock(&ar->conf_mutex); 4526 4527 if (sta) 4528 peer_addr = sta->addr; 4529 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 4530 peer_addr = vif->bss_conf.bssid; 4531 else 4532 peer_addr = vif->addr; 4533 4534 key->hw_key_idx = key->keyidx; 4535 4536 /* the peer should not disappear in mid-way (unless FW goes awry) since 4537 * we already hold conf_mutex. we just make sure its there now. 4538 */ 4539 spin_lock_bh(&ab->base_lock); 4540 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr); 4541 4542 /* flush the fragments cache during key (re)install to 4543 * ensure all frags in the new frag list belong to the same key. 4544 */ 4545 if (peer && sta && cmd == SET_KEY) 4546 ath11k_peer_frags_flush(ar, peer); 4547 spin_unlock_bh(&ab->base_lock); 4548 4549 if (!peer) { 4550 if (cmd == SET_KEY) { 4551 ath11k_warn(ab, "cannot install key for non-existent peer %pM\n", 4552 peer_addr); 4553 ret = -EOPNOTSUPP; 4554 goto exit; 4555 } else { 4556 /* if the peer doesn't exist there is no key to disable 4557 * anymore 4558 */ 4559 goto exit; 4560 } 4561 } 4562 4563 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4564 flags = WMI_KEY_PAIRWISE; 4565 else 4566 flags = WMI_KEY_GROUP; 4567 4568 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 4569 "%s for peer %pM on vdev %d flags 0x%X, type = %d, num_sta %d\n", 4570 cmd == SET_KEY ? "SET_KEY" : "DEL_KEY", peer_addr, arvif->vdev_id, 4571 flags, arvif->vdev_type, arvif->num_stations); 4572 4573 /* Allow group key clearing only in AP mode when no stations are 4574 * associated. There is a known race condition in firmware where 4575 * group addressed packets may be dropped if the key is cleared 4576 * and immediately set again during rekey. 4577 * 4578 * During GTK rekey, mac80211 issues a clear key (if the old key 4579 * exists) followed by an install key operation for same key 4580 * index. This causes ath11k to send two WMI commands in quick 4581 * succession: one to clear the old key and another to install the 4582 * new key in the same slot. 4583 * 4584 * Under certain conditions—especially under high load or time 4585 * sensitive scenarios, firmware may process these commands 4586 * asynchronously in a way that firmware assumes the key is 4587 * cleared whereas hardware has a valid key. This inconsistency 4588 * between hardware and firmware leads to group addressed packet 4589 * drops after rekey. 4590 * Only setting the same key again can restore a valid key in 4591 * firmware and allow packets to be transmitted. 4592 * 4593 * There is a use case where an AP can transition from Secure mode 4594 * to open mode without a vdev restart by just deleting all 4595 * associated peers and clearing key, Hence allow clear key for 4596 * that case alone. Mark arvif->reinstall_group_keys in such cases 4597 * and reinstall the same key when the first peer is added, 4598 * allowing firmware to recover from the race if it had occurred. 4599 */ 4600 4601 is_ap_with_no_sta = (vif->type == NL80211_IFTYPE_AP && 4602 !arvif->num_stations); 4603 if (flags == WMI_KEY_PAIRWISE || cmd == SET_KEY || is_ap_with_no_sta) { 4604 ret = ath11k_install_key(arvif, key, cmd, peer_addr, flags); 4605 if (ret) { 4606 ath11k_warn(ab, "ath11k_install_key failed (%d)\n", ret); 4607 goto exit; 4608 } 4609 4610 ret = ath11k_dp_peer_rx_pn_replay_config(arvif, peer_addr, cmd, key); 4611 if (ret) { 4612 ath11k_warn(ab, "failed to offload PN replay detection %d\n", 4613 ret); 4614 goto exit; 4615 } 4616 4617 if (flags == WMI_KEY_GROUP && cmd == SET_KEY && is_ap_with_no_sta) 4618 arvif->reinstall_group_keys = true; 4619 } 4620 4621 spin_lock_bh(&ab->base_lock); 4622 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr); 4623 if (peer && cmd == SET_KEY) { 4624 peer->keys[key->keyidx] = key; 4625 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 4626 peer->ucast_keyidx = key->keyidx; 4627 peer->sec_type = ath11k_dp_tx_get_encrypt_type(key->cipher); 4628 } else { 4629 peer->mcast_keyidx = key->keyidx; 4630 peer->sec_type_grp = ath11k_dp_tx_get_encrypt_type(key->cipher); 4631 } 4632 } else if (peer && cmd == DISABLE_KEY) { 4633 peer->keys[key->keyidx] = NULL; 4634 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4635 peer->ucast_keyidx = 0; 4636 else 4637 peer->mcast_keyidx = 0; 4638 } else if (!peer) 4639 /* impossible unless FW goes crazy */ 4640 ath11k_warn(ab, "peer %pM disappeared!\n", peer_addr); 4641 4642 if (sta) { 4643 arsta = ath11k_sta_to_arsta(sta); 4644 4645 switch (key->cipher) { 4646 case WLAN_CIPHER_SUITE_TKIP: 4647 case WLAN_CIPHER_SUITE_CCMP: 4648 case WLAN_CIPHER_SUITE_CCMP_256: 4649 case WLAN_CIPHER_SUITE_GCMP: 4650 case WLAN_CIPHER_SUITE_GCMP_256: 4651 if (cmd == SET_KEY) 4652 arsta->pn_type = HAL_PN_TYPE_WPA; 4653 else 4654 arsta->pn_type = HAL_PN_TYPE_NONE; 4655 break; 4656 default: 4657 arsta->pn_type = HAL_PN_TYPE_NONE; 4658 break; 4659 } 4660 } 4661 4662 spin_unlock_bh(&ab->base_lock); 4663 4664exit: 4665 mutex_unlock(&ar->conf_mutex); 4666 return ret; 4667} 4668 4669static int 4670ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k *ar, 4671 enum nl80211_band band, 4672 const struct cfg80211_bitrate_mask *mask) 4673{ 4674 int num_rates = 0; 4675 int i; 4676 4677 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) 4678 num_rates += hweight8(mask->control[band].ht_mcs[i]); 4679 4680 return num_rates; 4681} 4682 4683static int 4684ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k *ar, 4685 enum nl80211_band band, 4686 const struct cfg80211_bitrate_mask *mask) 4687{ 4688 int num_rates = 0; 4689 int i; 4690 4691 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) 4692 num_rates += hweight16(mask->control[band].vht_mcs[i]); 4693 4694 return num_rates; 4695} 4696 4697static int 4698ath11k_mac_bitrate_mask_num_he_rates(struct ath11k *ar, 4699 enum nl80211_band band, 4700 const struct cfg80211_bitrate_mask *mask) 4701{ 4702 int num_rates = 0; 4703 int i; 4704 4705 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) 4706 num_rates += hweight16(mask->control[band].he_mcs[i]); 4707 4708 return num_rates; 4709} 4710 4711static int 4712ath11k_mac_set_peer_vht_fixed_rate(struct ath11k_vif *arvif, 4713 struct ieee80211_sta *sta, 4714 const struct cfg80211_bitrate_mask *mask, 4715 enum nl80211_band band) 4716{ 4717 struct ath11k *ar = arvif->ar; 4718 u8 vht_rate, nss; 4719 u32 rate_code; 4720 int ret, i; 4721 4722 lockdep_assert_held(&ar->conf_mutex); 4723 4724 nss = 0; 4725 4726 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 4727 if (hweight16(mask->control[band].vht_mcs[i]) == 1) { 4728 nss = i + 1; 4729 vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1; 4730 } 4731 } 4732 4733 if (!nss) { 4734 ath11k_warn(ar->ab, "No single VHT Fixed rate found to set for %pM", 4735 sta->addr); 4736 return -EINVAL; 4737 } 4738 4739 /* Avoid updating invalid nss as fixed rate*/ 4740 if (nss > sta->deflink.rx_nss) 4741 return -EINVAL; 4742 4743 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 4744 "Setting Fixed VHT Rate for peer %pM. Device will not switch to any other selected rates", 4745 sta->addr); 4746 4747 rate_code = ATH11K_HW_RATE_CODE(vht_rate, nss - 1, 4748 WMI_RATE_PREAMBLE_VHT); 4749 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4750 arvif->vdev_id, 4751 WMI_PEER_PARAM_FIXED_RATE, 4752 rate_code); 4753 if (ret) 4754 ath11k_warn(ar->ab, 4755 "failed to update STA %pM Fixed Rate %d: %d\n", 4756 sta->addr, rate_code, ret); 4757 4758 return ret; 4759} 4760 4761static int 4762ath11k_mac_set_peer_he_fixed_rate(struct ath11k_vif *arvif, 4763 struct ieee80211_sta *sta, 4764 const struct cfg80211_bitrate_mask *mask, 4765 enum nl80211_band band) 4766{ 4767 struct ath11k *ar = arvif->ar; 4768 u8 he_rate, nss; 4769 u32 rate_code; 4770 int ret, i; 4771 4772 lockdep_assert_held(&ar->conf_mutex); 4773 4774 nss = 0; 4775 4776 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) { 4777 if (hweight16(mask->control[band].he_mcs[i]) == 1) { 4778 nss = i + 1; 4779 he_rate = ffs(mask->control[band].he_mcs[i]) - 1; 4780 } 4781 } 4782 4783 if (!nss) { 4784 ath11k_warn(ar->ab, "No single he fixed rate found to set for %pM", 4785 sta->addr); 4786 return -EINVAL; 4787 } 4788 4789 /* Avoid updating invalid nss as fixed rate */ 4790 if (nss > sta->deflink.rx_nss) 4791 return -EINVAL; 4792 4793 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 4794 "setting fixed he rate for peer %pM, device will not switch to any other selected rates", 4795 sta->addr); 4796 4797 rate_code = ATH11K_HW_RATE_CODE(he_rate, nss - 1, 4798 WMI_RATE_PREAMBLE_HE); 4799 4800 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4801 arvif->vdev_id, 4802 WMI_PEER_PARAM_FIXED_RATE, 4803 rate_code); 4804 if (ret) 4805 ath11k_warn(ar->ab, 4806 "failed to update sta %pM fixed rate %d: %d\n", 4807 sta->addr, rate_code, ret); 4808 4809 return ret; 4810} 4811 4812static int 4813ath11k_mac_set_peer_ht_fixed_rate(struct ath11k_vif *arvif, 4814 struct ieee80211_sta *sta, 4815 const struct cfg80211_bitrate_mask *mask, 4816 enum nl80211_band band) 4817{ 4818 struct ath11k *ar = arvif->ar; 4819 u8 ht_rate, nss = 0; 4820 u32 rate_code; 4821 int ret, i; 4822 4823 lockdep_assert_held(&ar->conf_mutex); 4824 4825 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { 4826 if (hweight8(mask->control[band].ht_mcs[i]) == 1) { 4827 nss = i + 1; 4828 ht_rate = ffs(mask->control[band].ht_mcs[i]) - 1; 4829 } 4830 } 4831 4832 if (!nss) { 4833 ath11k_warn(ar->ab, "No single HT Fixed rate found to set for %pM", 4834 sta->addr); 4835 return -EINVAL; 4836 } 4837 4838 /* Avoid updating invalid nss as fixed rate*/ 4839 if (nss > sta->deflink.rx_nss) 4840 return -EINVAL; 4841 4842 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 4843 "Setting Fixed HT Rate for peer %pM. Device will not switch to any other selected rates", 4844 sta->addr); 4845 4846 rate_code = ATH11K_HW_RATE_CODE(ht_rate, nss - 1, 4847 WMI_RATE_PREAMBLE_HT); 4848 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4849 arvif->vdev_id, 4850 WMI_PEER_PARAM_FIXED_RATE, 4851 rate_code); 4852 if (ret) 4853 ath11k_warn(ar->ab, 4854 "failed to update STA %pM HT Fixed Rate %d: %d\n", 4855 sta->addr, rate_code, ret); 4856 4857 return ret; 4858} 4859 4860static int ath11k_station_assoc(struct ath11k *ar, 4861 struct ieee80211_vif *vif, 4862 struct ieee80211_sta *sta, 4863 bool reassoc) 4864{ 4865 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4866 struct peer_assoc_params peer_arg; 4867 int ret = 0; 4868 struct cfg80211_chan_def def; 4869 enum nl80211_band band; 4870 struct cfg80211_bitrate_mask *mask; 4871 u8 num_ht_rates, num_vht_rates, num_he_rates; 4872 4873 lockdep_assert_held(&ar->conf_mutex); 4874 4875 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 4876 return -EPERM; 4877 4878 band = def.chan->band; 4879 mask = &arvif->bitrate_mask; 4880 4881 ath11k_peer_assoc_prepare(ar, vif, sta, &peer_arg, reassoc); 4882 4883 peer_arg.is_assoc = true; 4884 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); 4885 if (ret) { 4886 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n", 4887 sta->addr, arvif->vdev_id, ret); 4888 return ret; 4889 } 4890 4891 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) { 4892 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", 4893 sta->addr, arvif->vdev_id); 4894 return -ETIMEDOUT; 4895 } 4896 4897 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask); 4898 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask); 4899 num_ht_rates = ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask); 4900 4901 /* If single VHT/HE rate is configured (by set_bitrate_mask()), 4902 * peer_assoc will disable VHT/HE. This is now enabled by a peer specific 4903 * fixed param. 4904 * Note that all other rates and NSS will be disabled for this peer. 4905 */ 4906 if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) { 4907 ret = ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask, 4908 band); 4909 if (ret) 4910 return ret; 4911 } else if (sta->deflink.he_cap.has_he && num_he_rates == 1) { 4912 ret = ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask, 4913 band); 4914 if (ret) 4915 return ret; 4916 } else if (sta->deflink.ht_cap.ht_supported && num_ht_rates == 1) { 4917 ret = ath11k_mac_set_peer_ht_fixed_rate(arvif, sta, mask, 4918 band); 4919 if (ret) 4920 return ret; 4921 } 4922 4923 /* Re-assoc is run only to update supported rates for given station. It 4924 * doesn't make much sense to reconfigure the peer completely. 4925 */ 4926 if (reassoc) 4927 return 0; 4928 4929 ret = ath11k_setup_peer_smps(ar, arvif, sta->addr, 4930 &sta->deflink.ht_cap, 4931 le16_to_cpu(sta->deflink.he_6ghz_capa.capa)); 4932 if (ret) { 4933 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n", 4934 arvif->vdev_id, ret); 4935 return ret; 4936 } 4937 4938 if (!sta->wme) { 4939 arvif->num_legacy_stations++; 4940 ret = ath11k_recalc_rtscts_prot(arvif); 4941 if (ret) 4942 return ret; 4943 } 4944 4945 if (sta->wme && sta->uapsd_queues) { 4946 ret = ath11k_peer_assoc_qos_ap(ar, arvif, sta); 4947 if (ret) { 4948 ath11k_warn(ar->ab, "failed to set qos params for STA %pM for vdev %i: %d\n", 4949 sta->addr, arvif->vdev_id, ret); 4950 return ret; 4951 } 4952 } 4953 4954 return 0; 4955} 4956 4957static int ath11k_station_disassoc(struct ath11k *ar, 4958 struct ieee80211_vif *vif, 4959 struct ieee80211_sta *sta) 4960{ 4961 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4962 int ret = 0; 4963 4964 lockdep_assert_held(&ar->conf_mutex); 4965 4966 if (!sta->wme) { 4967 arvif->num_legacy_stations--; 4968 ret = ath11k_recalc_rtscts_prot(arvif); 4969 if (ret) 4970 return ret; 4971 } 4972 4973 ret = ath11k_clear_peer_keys(arvif, sta->addr); 4974 if (ret) { 4975 ath11k_warn(ar->ab, "failed to clear all peer keys for vdev %i: %d\n", 4976 arvif->vdev_id, ret); 4977 return ret; 4978 } 4979 return 0; 4980} 4981 4982static u32 ath11k_mac_max_nss(const u8 *ht_mcs_mask, const u16 *vht_mcs_mask, 4983 const u16 *he_mcs_mask) 4984{ 4985 return max3(ath11k_mac_max_ht_nss(ht_mcs_mask), 4986 ath11k_mac_max_vht_nss(vht_mcs_mask), 4987 ath11k_mac_max_he_nss(he_mcs_mask)); 4988} 4989 4990static void ath11k_sta_rc_update_wk(struct work_struct *wk) 4991{ 4992 struct ath11k *ar; 4993 struct ath11k_vif *arvif; 4994 struct ath11k_sta *arsta; 4995 struct ieee80211_sta *sta; 4996 struct cfg80211_chan_def def; 4997 enum nl80211_band band; 4998 const u8 *ht_mcs_mask; 4999 const u16 *vht_mcs_mask; 5000 const u16 *he_mcs_mask; 5001 u32 changed, bw, nss, smps, bw_prev; 5002 int err, num_ht_rates, num_vht_rates, num_he_rates; 5003 const struct cfg80211_bitrate_mask *mask; 5004 struct peer_assoc_params peer_arg; 5005 enum wmi_phy_mode peer_phymode; 5006 5007 arsta = container_of(wk, struct ath11k_sta, update_wk); 5008 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 5009 arvif = arsta->arvif; 5010 ar = arvif->ar; 5011 5012 if (WARN_ON(ath11k_mac_vif_chan(arvif->vif, &def))) 5013 return; 5014 5015 band = def.chan->band; 5016 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 5017 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 5018 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs; 5019 5020 spin_lock_bh(&ar->data_lock); 5021 5022 changed = arsta->changed; 5023 arsta->changed = 0; 5024 5025 bw = arsta->bw; 5026 bw_prev = arsta->bw_prev; 5027 nss = arsta->nss; 5028 smps = arsta->smps; 5029 5030 spin_unlock_bh(&ar->data_lock); 5031 5032 mutex_lock(&ar->conf_mutex); 5033 5034 nss = max_t(u32, 1, nss); 5035 nss = min(nss, ath11k_mac_max_nss(ht_mcs_mask, vht_mcs_mask, he_mcs_mask)); 5036 5037 if (changed & IEEE80211_RC_BW_CHANGED) { 5038 /* Get the peer phymode */ 5039 ath11k_peer_assoc_h_phymode(ar, arvif->vif, sta, &peer_arg); 5040 peer_phymode = peer_arg.peer_phymode; 5041 5042 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM peer bw %d phymode %d\n", 5043 sta->addr, bw, peer_phymode); 5044 5045 if (bw > bw_prev) { 5046 /* BW is upgraded. In this case we send WMI_PEER_PHYMODE 5047 * followed by WMI_PEER_CHWIDTH 5048 */ 5049 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "BW upgrade for sta %pM new BW %d, old BW %d\n", 5050 sta->addr, bw, bw_prev); 5051 5052 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 5053 WMI_PEER_PHYMODE, peer_phymode); 5054 5055 if (err) { 5056 ath11k_warn(ar->ab, "failed to update STA %pM peer phymode %d: %d\n", 5057 sta->addr, peer_phymode, err); 5058 goto err_rc_bw_changed; 5059 } 5060 5061 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 5062 WMI_PEER_CHWIDTH, bw); 5063 5064 if (err) 5065 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n", 5066 sta->addr, bw, err); 5067 } else { 5068 /* BW is downgraded. In this case we send WMI_PEER_CHWIDTH 5069 * followed by WMI_PEER_PHYMODE 5070 */ 5071 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "BW downgrade for sta %pM new BW %d,old BW %d\n", 5072 sta->addr, bw, bw_prev); 5073 5074 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 5075 WMI_PEER_CHWIDTH, bw); 5076 5077 if (err) { 5078 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n", 5079 sta->addr, bw, err); 5080 goto err_rc_bw_changed; 5081 } 5082 5083 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 5084 WMI_PEER_PHYMODE, peer_phymode); 5085 5086 if (err) 5087 ath11k_warn(ar->ab, "failed to update STA %pM peer phymode %d: %d\n", 5088 sta->addr, peer_phymode, err); 5089 } 5090 } 5091 5092 if (changed & IEEE80211_RC_NSS_CHANGED) { 5093 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM nss %d\n", 5094 sta->addr, nss); 5095 5096 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 5097 WMI_PEER_NSS, nss); 5098 if (err) 5099 ath11k_warn(ar->ab, "failed to update STA %pM nss %d: %d\n", 5100 sta->addr, nss, err); 5101 } 5102 5103 if (changed & IEEE80211_RC_SMPS_CHANGED) { 5104 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM smps %d\n", 5105 sta->addr, smps); 5106 5107 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 5108 WMI_PEER_MIMO_PS_STATE, smps); 5109 if (err) 5110 ath11k_warn(ar->ab, "failed to update STA %pM smps %d: %d\n", 5111 sta->addr, smps, err); 5112 } 5113 5114 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { 5115 mask = &arvif->bitrate_mask; 5116 num_ht_rates = ath11k_mac_bitrate_mask_num_ht_rates(ar, band, 5117 mask); 5118 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, 5119 mask); 5120 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, 5121 mask); 5122 5123 /* Peer_assoc_prepare will reject vht rates in 5124 * bitrate_mask if its not available in range format and 5125 * sets vht tx_rateset as unsupported. So multiple VHT MCS 5126 * setting(eg. MCS 4,5,6) per peer is not supported here. 5127 * But, Single rate in VHT mask can be set as per-peer 5128 * fixed rate. But even if any HT rates are configured in 5129 * the bitrate mask, device will not switch to those rates 5130 * when per-peer Fixed rate is set. 5131 * TODO: Check RATEMASK_CMDID to support auto rates selection 5132 * across HT/VHT and for multiple VHT MCS support. 5133 */ 5134 if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) { 5135 ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask, 5136 band); 5137 } else if (sta->deflink.he_cap.has_he && num_he_rates == 1) { 5138 ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask, 5139 band); 5140 } else if (sta->deflink.ht_cap.ht_supported && num_ht_rates == 1) { 5141 ath11k_mac_set_peer_ht_fixed_rate(arvif, sta, mask, 5142 band); 5143 } else { 5144 /* If the peer is non-VHT/HE or no fixed VHT/HE rate 5145 * is provided in the new bitrate mask we set the 5146 * other rates using peer_assoc command. Also clear 5147 * the peer fixed rate settings as it has higher proprity 5148 * than peer assoc 5149 */ 5150 err = ath11k_wmi_set_peer_param(ar, sta->addr, 5151 arvif->vdev_id, 5152 WMI_PEER_PARAM_FIXED_RATE, 5153 WMI_FIXED_RATE_NONE); 5154 if (err) 5155 ath11k_warn(ar->ab, 5156 "failed to disable peer fixed rate for sta %pM: %d\n", 5157 sta->addr, err); 5158 5159 ath11k_peer_assoc_prepare(ar, arvif->vif, sta, 5160 &peer_arg, true); 5161 5162 peer_arg.is_assoc = false; 5163 err = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); 5164 if (err) 5165 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n", 5166 sta->addr, arvif->vdev_id, err); 5167 5168 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) 5169 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", 5170 sta->addr, arvif->vdev_id); 5171 } 5172 } 5173 5174err_rc_bw_changed: 5175 mutex_unlock(&ar->conf_mutex); 5176} 5177 5178static void ath11k_sta_set_4addr_wk(struct work_struct *wk) 5179{ 5180 struct ath11k *ar; 5181 struct ath11k_vif *arvif; 5182 struct ath11k_sta *arsta; 5183 struct ieee80211_sta *sta; 5184 int ret = 0; 5185 5186 arsta = container_of(wk, struct ath11k_sta, set_4addr_wk); 5187 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 5188 arvif = arsta->arvif; 5189 ar = arvif->ar; 5190 5191 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 5192 "setting USE_4ADDR for peer %pM\n", sta->addr); 5193 5194 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 5195 arvif->vdev_id, 5196 WMI_PEER_USE_4ADDR, 1); 5197 5198 if (ret) 5199 ath11k_warn(ar->ab, "failed to set peer %pM 4addr capability: %d\n", 5200 sta->addr, ret); 5201} 5202 5203static int ath11k_mac_inc_num_stations(struct ath11k_vif *arvif, 5204 struct ieee80211_sta *sta) 5205{ 5206 struct ath11k *ar = arvif->ar; 5207 5208 lockdep_assert_held(&ar->conf_mutex); 5209 5210 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 5211 return 0; 5212 5213 if (ar->num_stations >= ar->max_num_stations) 5214 return -ENOBUFS; 5215 5216 ar->num_stations++; 5217 arvif->num_stations++; 5218 5219 return 0; 5220} 5221 5222static void ath11k_mac_dec_num_stations(struct ath11k_vif *arvif, 5223 struct ieee80211_sta *sta) 5224{ 5225 struct ath11k *ar = arvif->ar; 5226 5227 lockdep_assert_held(&ar->conf_mutex); 5228 5229 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 5230 return; 5231 5232 ar->num_stations--; 5233 arvif->num_stations--; 5234} 5235 5236static u32 ath11k_mac_ieee80211_sta_bw_to_wmi(struct ath11k *ar, 5237 struct ieee80211_sta *sta) 5238{ 5239 u32 bw = WMI_PEER_CHWIDTH_20MHZ; 5240 5241 switch (sta->deflink.bandwidth) { 5242 case IEEE80211_STA_RX_BW_20: 5243 bw = WMI_PEER_CHWIDTH_20MHZ; 5244 break; 5245 case IEEE80211_STA_RX_BW_40: 5246 bw = WMI_PEER_CHWIDTH_40MHZ; 5247 break; 5248 case IEEE80211_STA_RX_BW_80: 5249 bw = WMI_PEER_CHWIDTH_80MHZ; 5250 break; 5251 case IEEE80211_STA_RX_BW_160: 5252 bw = WMI_PEER_CHWIDTH_160MHZ; 5253 break; 5254 default: 5255 ath11k_warn(ar->ab, "Invalid bandwidth %d for %pM\n", 5256 sta->deflink.bandwidth, sta->addr); 5257 bw = WMI_PEER_CHWIDTH_20MHZ; 5258 break; 5259 } 5260 5261 return bw; 5262} 5263 5264static int ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw, 5265 struct ieee80211_vif *vif, 5266 struct ieee80211_sta *sta) 5267{ 5268 struct ath11k *ar = hw->priv; 5269 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 5270 int ret = 0; 5271 s16 txpwr; 5272 5273 if (sta->deflink.txpwr.type == NL80211_TX_POWER_AUTOMATIC) { 5274 txpwr = 0; 5275 } else { 5276 txpwr = sta->deflink.txpwr.power; 5277 if (!txpwr) 5278 return -EINVAL; 5279 } 5280 5281 if (txpwr > ATH11K_TX_POWER_MAX_VAL || txpwr < ATH11K_TX_POWER_MIN_VAL) 5282 return -EINVAL; 5283 5284 mutex_lock(&ar->conf_mutex); 5285 5286 ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 5287 WMI_PEER_USE_FIXED_PWR, txpwr); 5288 if (ret) { 5289 ath11k_warn(ar->ab, "failed to set tx power for station ret: %d\n", 5290 ret); 5291 goto out; 5292 } 5293 5294out: 5295 mutex_unlock(&ar->conf_mutex); 5296 return ret; 5297} 5298 5299static void ath11k_mac_op_sta_set_4addr(struct ieee80211_hw *hw, 5300 struct ieee80211_vif *vif, 5301 struct ieee80211_sta *sta, bool enabled) 5302{ 5303 struct ath11k *ar = hw->priv; 5304 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); 5305 5306 if (enabled && !arsta->use_4addr_set) { 5307 ieee80211_queue_work(ar->hw, &arsta->set_4addr_wk); 5308 arsta->use_4addr_set = true; 5309 } 5310} 5311 5312static void ath11k_mac_op_sta_rc_update(struct ieee80211_hw *hw, 5313 struct ieee80211_vif *vif, 5314 struct ieee80211_link_sta *link_sta, 5315 u32 changed) 5316{ 5317 struct ieee80211_sta *sta = link_sta->sta; 5318 struct ath11k *ar = hw->priv; 5319 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); 5320 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 5321 struct ath11k_peer *peer; 5322 u32 bw, smps; 5323 5324 spin_lock_bh(&ar->ab->base_lock); 5325 5326 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 5327 if (!peer) { 5328 spin_unlock_bh(&ar->ab->base_lock); 5329 ath11k_warn(ar->ab, "mac sta rc update failed to find peer %pM on vdev %i\n", 5330 sta->addr, arvif->vdev_id); 5331 return; 5332 } 5333 5334 spin_unlock_bh(&ar->ab->base_lock); 5335 5336 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 5337 "sta rc update for %pM changed %08x bw %d nss %d smps %d\n", 5338 sta->addr, changed, sta->deflink.bandwidth, 5339 sta->deflink.rx_nss, 5340 sta->deflink.smps_mode); 5341 5342 spin_lock_bh(&ar->data_lock); 5343 5344 if (changed & IEEE80211_RC_BW_CHANGED) { 5345 bw = ath11k_mac_ieee80211_sta_bw_to_wmi(ar, sta); 5346 arsta->bw_prev = arsta->bw; 5347 arsta->bw = bw; 5348 } 5349 5350 if (changed & IEEE80211_RC_NSS_CHANGED) 5351 arsta->nss = sta->deflink.rx_nss; 5352 5353 if (changed & IEEE80211_RC_SMPS_CHANGED) { 5354 smps = WMI_PEER_SMPS_PS_NONE; 5355 5356 switch (sta->deflink.smps_mode) { 5357 case IEEE80211_SMPS_AUTOMATIC: 5358 case IEEE80211_SMPS_OFF: 5359 smps = WMI_PEER_SMPS_PS_NONE; 5360 break; 5361 case IEEE80211_SMPS_STATIC: 5362 smps = WMI_PEER_SMPS_STATIC; 5363 break; 5364 case IEEE80211_SMPS_DYNAMIC: 5365 smps = WMI_PEER_SMPS_DYNAMIC; 5366 break; 5367 default: 5368 ath11k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n", 5369 sta->deflink.smps_mode, sta->addr); 5370 smps = WMI_PEER_SMPS_PS_NONE; 5371 break; 5372 } 5373 5374 arsta->smps = smps; 5375 } 5376 5377 arsta->changed |= changed; 5378 5379 spin_unlock_bh(&ar->data_lock); 5380 5381 ieee80211_queue_work(hw, &arsta->update_wk); 5382} 5383 5384static int ath11k_conf_tx_uapsd(struct ath11k *ar, struct ieee80211_vif *vif, 5385 u16 ac, bool enable) 5386{ 5387 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 5388 u32 value = 0; 5389 int ret = 0; 5390 5391 if (arvif->vdev_type != WMI_VDEV_TYPE_STA) 5392 return 0; 5393 5394 switch (ac) { 5395 case IEEE80211_AC_VO: 5396 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | 5397 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; 5398 break; 5399 case IEEE80211_AC_VI: 5400 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | 5401 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; 5402 break; 5403 case IEEE80211_AC_BE: 5404 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | 5405 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; 5406 break; 5407 case IEEE80211_AC_BK: 5408 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | 5409 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; 5410 break; 5411 } 5412 5413 if (enable) 5414 arvif->u.sta.uapsd |= value; 5415 else 5416 arvif->u.sta.uapsd &= ~value; 5417 5418 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 5419 WMI_STA_PS_PARAM_UAPSD, 5420 arvif->u.sta.uapsd); 5421 if (ret) { 5422 ath11k_warn(ar->ab, "could not set uapsd params %d\n", ret); 5423 goto exit; 5424 } 5425 5426 if (arvif->u.sta.uapsd) 5427 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; 5428 else 5429 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 5430 5431 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 5432 WMI_STA_PS_PARAM_RX_WAKE_POLICY, 5433 value); 5434 if (ret) 5435 ath11k_warn(ar->ab, "could not set rx wake param %d\n", ret); 5436 5437exit: 5438 return ret; 5439} 5440 5441static int ath11k_mac_op_conf_tx_mu_edca(struct ieee80211_hw *hw, 5442 struct ieee80211_vif *vif, 5443 unsigned int link_id, u16 ac, 5444 const struct ieee80211_tx_queue_params *params) 5445{ 5446 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 5447 struct ath11k *ar = hw->priv; 5448 struct wmi_wmm_params_arg *p; 5449 int ret; 5450 5451 switch (ac) { 5452 case IEEE80211_AC_VO: 5453 p = &arvif->muedca_params.ac_vo; 5454 break; 5455 case IEEE80211_AC_VI: 5456 p = &arvif->muedca_params.ac_vi; 5457 break; 5458 case IEEE80211_AC_BE: 5459 p = &arvif->muedca_params.ac_be; 5460 break; 5461 case IEEE80211_AC_BK: 5462 p = &arvif->muedca_params.ac_bk; 5463 break; 5464 default: 5465 ath11k_warn(ar->ab, "error ac: %d", ac); 5466 return -EINVAL; 5467 } 5468 5469 p->cwmin = u8_get_bits(params->mu_edca_param_rec.ecw_min_max, GENMASK(3, 0)); 5470 p->cwmax = u8_get_bits(params->mu_edca_param_rec.ecw_min_max, GENMASK(7, 4)); 5471 p->aifs = u8_get_bits(params->mu_edca_param_rec.aifsn, GENMASK(3, 0)); 5472 p->txop = params->mu_edca_param_rec.mu_edca_timer; 5473 5474 ret = ath11k_wmi_send_wmm_update_cmd_tlv(ar, arvif->vdev_id, 5475 &arvif->muedca_params, 5476 WMI_WMM_PARAM_TYPE_11AX_MU_EDCA); 5477 return ret; 5478} 5479 5480static int ath11k_mac_op_conf_tx(struct ieee80211_hw *hw, 5481 struct ieee80211_vif *vif, 5482 unsigned int link_id, u16 ac, 5483 const struct ieee80211_tx_queue_params *params) 5484{ 5485 struct ath11k *ar = hw->priv; 5486 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 5487 struct wmi_wmm_params_arg *p = NULL; 5488 int ret; 5489 5490 mutex_lock(&ar->conf_mutex); 5491 5492 switch (ac) { 5493 case IEEE80211_AC_VO: 5494 p = &arvif->wmm_params.ac_vo; 5495 break; 5496 case IEEE80211_AC_VI: 5497 p = &arvif->wmm_params.ac_vi; 5498 break; 5499 case IEEE80211_AC_BE: 5500 p = &arvif->wmm_params.ac_be; 5501 break; 5502 case IEEE80211_AC_BK: 5503 p = &arvif->wmm_params.ac_bk; 5504 break; 5505 } 5506 5507 if (WARN_ON(!p)) { 5508 ret = -EINVAL; 5509 goto exit; 5510 } 5511 5512 p->cwmin = params->cw_min; 5513 p->cwmax = params->cw_max; 5514 p->aifs = params->aifs; 5515 p->txop = params->txop; 5516 5517 ret = ath11k_wmi_send_wmm_update_cmd_tlv(ar, arvif->vdev_id, 5518 &arvif->wmm_params, 5519 WMI_WMM_PARAM_TYPE_LEGACY); 5520 if (ret) { 5521 ath11k_warn(ar->ab, "failed to set wmm params: %d\n", ret); 5522 goto exit; 5523 } 5524 5525 if (params->mu_edca) { 5526 ret = ath11k_mac_op_conf_tx_mu_edca(hw, vif, link_id, ac, 5527 params); 5528 if (ret) { 5529 ath11k_warn(ar->ab, "failed to set mu_edca params: %d\n", ret); 5530 goto exit; 5531 } 5532 } 5533 5534 ret = ath11k_conf_tx_uapsd(ar, vif, ac, params->uapsd); 5535 5536 if (ret) 5537 ath11k_warn(ar->ab, "failed to set sta uapsd: %d\n", ret); 5538 5539exit: 5540 mutex_unlock(&ar->conf_mutex); 5541 return ret; 5542} 5543 5544static struct ieee80211_sta_ht_cap 5545ath11k_create_ht_cap(struct ath11k *ar, u32 ar_ht_cap, u32 rate_cap_rx_chainmask) 5546{ 5547 int i; 5548 struct ieee80211_sta_ht_cap ht_cap = {}; 5549 u32 ar_vht_cap = ar->pdev->cap.vht_cap; 5550 5551 if (!(ar_ht_cap & WMI_HT_CAP_ENABLED)) 5552 return ht_cap; 5553 5554 ht_cap.ht_supported = 1; 5555 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 5556 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 5557 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 5558 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; 5559 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; 5560 5561 if (ar_ht_cap & WMI_HT_CAP_HT20_SGI) 5562 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 5563 5564 if (ar_ht_cap & WMI_HT_CAP_HT40_SGI) 5565 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 5566 5567 if (ar_ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) { 5568 u32 smps; 5569 5570 smps = WLAN_HT_CAP_SM_PS_DYNAMIC; 5571 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; 5572 5573 ht_cap.cap |= smps; 5574 } 5575 5576 if (ar_ht_cap & WMI_HT_CAP_TX_STBC) 5577 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 5578 5579 if (ar_ht_cap & WMI_HT_CAP_RX_STBC) { 5580 u32 stbc; 5581 5582 stbc = ar_ht_cap; 5583 stbc &= WMI_HT_CAP_RX_STBC; 5584 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; 5585 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; 5586 stbc &= IEEE80211_HT_CAP_RX_STBC; 5587 5588 ht_cap.cap |= stbc; 5589 } 5590 5591 if (ar_ht_cap & WMI_HT_CAP_RX_LDPC) 5592 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; 5593 5594 if (ar_ht_cap & WMI_HT_CAP_L_SIG_TXOP_PROT) 5595 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; 5596 5597 if (ar_vht_cap & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) 5598 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 5599 5600 for (i = 0; i < ar->num_rx_chains; i++) { 5601 if (rate_cap_rx_chainmask & BIT(i)) 5602 ht_cap.mcs.rx_mask[i] = 0xFF; 5603 } 5604 5605 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; 5606 5607 return ht_cap; 5608} 5609 5610static int ath11k_mac_set_txbf_conf(struct ath11k_vif *arvif) 5611{ 5612 u32 value = 0; 5613 struct ath11k *ar = arvif->ar; 5614 int nsts; 5615 int sound_dim; 5616 u32 vht_cap = ar->pdev->cap.vht_cap; 5617 u32 vdev_param = WMI_VDEV_PARAM_TXBF; 5618 5619 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) { 5620 nsts = vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; 5621 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; 5622 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET); 5623 } 5624 5625 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) { 5626 sound_dim = vht_cap & 5627 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 5628 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 5629 if (sound_dim > (ar->num_tx_chains - 1)) 5630 sound_dim = ar->num_tx_chains - 1; 5631 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET); 5632 } 5633 5634 if (!value) 5635 return 0; 5636 5637 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) { 5638 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; 5639 5640 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) && 5641 arvif->vdev_type == WMI_VDEV_TYPE_AP) 5642 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; 5643 } 5644 5645 /* TODO: SUBFEE not validated in HK, disable here until validated? */ 5646 5647 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) { 5648 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; 5649 5650 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) && 5651 arvif->vdev_type == WMI_VDEV_TYPE_STA) 5652 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; 5653 } 5654 5655 return ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 5656 vdev_param, value); 5657} 5658 5659static void ath11k_set_vht_txbf_cap(struct ath11k *ar, u32 *vht_cap) 5660{ 5661 bool subfer, subfee; 5662 int sound_dim = 0, nsts = 0; 5663 5664 subfer = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)); 5665 subfee = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)); 5666 5667 if (ar->num_tx_chains < 2) { 5668 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE); 5669 subfer = false; 5670 } 5671 5672 if (ar->num_rx_chains < 2) { 5673 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE); 5674 subfee = false; 5675 } 5676 5677 /* If SU Beaformer is not set, then disable MU Beamformer Capability */ 5678 if (!subfer) 5679 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 5680 5681 /* If SU Beaformee is not set, then disable MU Beamformee Capability */ 5682 if (!subfee) 5683 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE); 5684 5685 sound_dim = (*vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK); 5686 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 5687 *vht_cap &= ~IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 5688 5689 nsts = (*vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK); 5690 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; 5691 *vht_cap &= ~IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; 5692 5693 /* Enable Sounding Dimension Field only if SU BF is enabled */ 5694 if (subfer) { 5695 if (sound_dim > (ar->num_tx_chains - 1)) 5696 sound_dim = ar->num_tx_chains - 1; 5697 5698 sound_dim <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 5699 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 5700 *vht_cap |= sound_dim; 5701 } 5702 5703 /* Enable Beamformee STS Field only if SU BF is enabled */ 5704 if (subfee) { 5705 nsts <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; 5706 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; 5707 *vht_cap |= nsts; 5708 } 5709} 5710 5711static struct ieee80211_sta_vht_cap 5712ath11k_create_vht_cap(struct ath11k *ar, u32 rate_cap_tx_chainmask, 5713 u32 rate_cap_rx_chainmask) 5714{ 5715 struct ieee80211_sta_vht_cap vht_cap = {}; 5716 u16 txmcs_map, rxmcs_map; 5717 int i; 5718 5719 vht_cap.vht_supported = 1; 5720 vht_cap.cap = ar->pdev->cap.vht_cap; 5721 5722 if (ar->pdev->cap.nss_ratio_enabled) 5723 vht_cap.vht_mcs.tx_highest |= 5724 cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE); 5725 5726 ath11k_set_vht_txbf_cap(ar, &vht_cap.cap); 5727 5728 rxmcs_map = 0; 5729 txmcs_map = 0; 5730 for (i = 0; i < 8; i++) { 5731 if (i < ar->num_tx_chains && rate_cap_tx_chainmask & BIT(i)) 5732 txmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); 5733 else 5734 txmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); 5735 5736 if (i < ar->num_rx_chains && rate_cap_rx_chainmask & BIT(i)) 5737 rxmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); 5738 else 5739 rxmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); 5740 } 5741 5742 if (rate_cap_tx_chainmask <= 1) 5743 vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC; 5744 5745 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_map); 5746 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_map); 5747 5748 return vht_cap; 5749} 5750 5751static void ath11k_mac_setup_ht_vht_cap(struct ath11k *ar, 5752 struct ath11k_pdev_cap *cap, 5753 u32 *ht_cap_info) 5754{ 5755 struct ieee80211_supported_band *band; 5756 u32 rate_cap_tx_chainmask; 5757 u32 rate_cap_rx_chainmask; 5758 u32 ht_cap; 5759 5760 rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift; 5761 rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift; 5762 5763 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { 5764 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 5765 ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info; 5766 if (ht_cap_info) 5767 *ht_cap_info = ht_cap; 5768 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap, 5769 rate_cap_rx_chainmask); 5770 } 5771 5772 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && 5773 (ar->ab->hw_params.single_pdev_only || 5774 !ar->supports_6ghz)) { 5775 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 5776 ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info; 5777 if (ht_cap_info) 5778 *ht_cap_info = ht_cap; 5779 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap, 5780 rate_cap_rx_chainmask); 5781 band->vht_cap = ath11k_create_vht_cap(ar, rate_cap_tx_chainmask, 5782 rate_cap_rx_chainmask); 5783 } 5784} 5785 5786static int ath11k_check_chain_mask(struct ath11k *ar, u32 ant, bool is_tx_ant) 5787{ 5788 /* TODO: Check the request chainmask against the supported 5789 * chainmask table which is advertised in extented_service_ready event 5790 */ 5791 5792 return 0; 5793} 5794 5795static void ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold *fw_ppet, 5796 u8 *he_ppet) 5797{ 5798 int nss, ru; 5799 u8 bit = 7; 5800 5801 he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK; 5802 he_ppet[0] |= (fw_ppet->ru_bit_mask << 5803 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) & 5804 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK; 5805 for (nss = 0; nss <= fw_ppet->numss_m1; nss++) { 5806 for (ru = 0; ru < 4; ru++) { 5807 u8 val; 5808 int i; 5809 5810 if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0) 5811 continue; 5812 val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) & 5813 0x3f; 5814 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3); 5815 for (i = 5; i >= 0; i--) { 5816 he_ppet[bit / 8] |= 5817 ((val >> i) & 0x1) << ((bit % 8)); 5818 bit++; 5819 } 5820 } 5821 } 5822} 5823 5824static void 5825ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem) 5826{ 5827 u8 m; 5828 5829 m = IEEE80211_HE_MAC_CAP0_TWT_RES | 5830 IEEE80211_HE_MAC_CAP0_TWT_REQ; 5831 he_cap_elem->mac_cap_info[0] &= ~m; 5832 5833 m = IEEE80211_HE_MAC_CAP2_TRS | 5834 IEEE80211_HE_MAC_CAP2_BCAST_TWT | 5835 IEEE80211_HE_MAC_CAP2_MU_CASCADING; 5836 he_cap_elem->mac_cap_info[2] &= ~m; 5837 5838 m = IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED | 5839 IEEE80211_HE_MAC_CAP2_BCAST_TWT | 5840 IEEE80211_HE_MAC_CAP2_MU_CASCADING; 5841 he_cap_elem->mac_cap_info[3] &= ~m; 5842 5843 m = IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG | 5844 IEEE80211_HE_MAC_CAP4_BQR; 5845 he_cap_elem->mac_cap_info[4] &= ~m; 5846 5847 m = IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION | 5848 IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU | 5849 IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING | 5850 IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX; 5851 he_cap_elem->mac_cap_info[5] &= ~m; 5852 5853 m = IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 5854 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 5855 he_cap_elem->phy_cap_info[2] &= ~m; 5856 5857 m = IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU | 5858 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK | 5859 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK; 5860 he_cap_elem->phy_cap_info[3] &= ~m; 5861 5862 m = IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 5863 he_cap_elem->phy_cap_info[4] &= ~m; 5864 5865 m = IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 5866 he_cap_elem->phy_cap_info[5] &= ~m; 5867 5868 m = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 5869 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB | 5870 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 5871 IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; 5872 he_cap_elem->phy_cap_info[6] &= ~m; 5873 5874 m = IEEE80211_HE_PHY_CAP7_PSR_BASED_SR | 5875 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 5876 IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ | 5877 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ; 5878 he_cap_elem->phy_cap_info[7] &= ~m; 5879 5880 m = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI | 5881 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 5882 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 5883 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 5884 he_cap_elem->phy_cap_info[8] &= ~m; 5885 5886 m = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 5887 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 5888 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 5889 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 5890 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 5891 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 5892 he_cap_elem->phy_cap_info[9] &= ~m; 5893} 5894 5895static __le16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap, 5896 struct ath11k_band_cap *bcap) 5897{ 5898 u8 val; 5899 5900 bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE; 5901 if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) 5902 bcap->he_6ghz_capa |= 5903 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS, 5904 WLAN_HT_CAP_SM_PS_DYNAMIC); 5905 else 5906 bcap->he_6ghz_capa |= 5907 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS, 5908 WLAN_HT_CAP_SM_PS_DISABLED); 5909 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, 5910 pcap->vht_cap); 5911 bcap->he_6ghz_capa |= 5912 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, val); 5913 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap); 5914 bcap->he_6ghz_capa |= 5915 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN, val); 5916 if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 5917 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 5918 if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 5919 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 5920 5921 return cpu_to_le16(bcap->he_6ghz_capa); 5922} 5923 5924static void ath11k_mac_set_hemcsmap(struct ath11k *ar, 5925 struct ath11k_pdev_cap *cap, 5926 struct ieee80211_sta_he_cap *he_cap, 5927 int band) 5928{ 5929 u16 txmcs_map, rxmcs_map; 5930 u32 i; 5931 5932 rxmcs_map = 0; 5933 txmcs_map = 0; 5934 for (i = 0; i < 8; i++) { 5935 if (i < ar->num_tx_chains && 5936 (ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift) & BIT(i)) 5937 txmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2); 5938 else 5939 txmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2); 5940 5941 if (i < ar->num_rx_chains && 5942 (ar->cfg_rx_chainmask >> cap->tx_chain_mask_shift) & BIT(i)) 5943 rxmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2); 5944 else 5945 rxmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2); 5946 } 5947 he_cap->he_mcs_nss_supp.rx_mcs_80 = 5948 cpu_to_le16(rxmcs_map & 0xffff); 5949 he_cap->he_mcs_nss_supp.tx_mcs_80 = 5950 cpu_to_le16(txmcs_map & 0xffff); 5951 he_cap->he_mcs_nss_supp.rx_mcs_160 = 5952 cpu_to_le16(rxmcs_map & 0xffff); 5953 he_cap->he_mcs_nss_supp.tx_mcs_160 = 5954 cpu_to_le16(txmcs_map & 0xffff); 5955 he_cap->he_mcs_nss_supp.rx_mcs_80p80 = 5956 cpu_to_le16(rxmcs_map & 0xffff); 5957 he_cap->he_mcs_nss_supp.tx_mcs_80p80 = 5958 cpu_to_le16(txmcs_map & 0xffff); 5959} 5960 5961static int ath11k_mac_copy_he_cap(struct ath11k *ar, 5962 struct ath11k_pdev_cap *cap, 5963 struct ieee80211_sband_iftype_data *data, 5964 int band) 5965{ 5966 int i, idx = 0; 5967 5968 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 5969 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 5970 struct ath11k_band_cap *band_cap = &cap->band[band]; 5971 struct ieee80211_he_cap_elem *he_cap_elem = 5972 &he_cap->he_cap_elem; 5973 5974 switch (i) { 5975 case NL80211_IFTYPE_STATION: 5976 case NL80211_IFTYPE_AP: 5977 case NL80211_IFTYPE_MESH_POINT: 5978 break; 5979 5980 default: 5981 continue; 5982 } 5983 5984 data[idx].types_mask = BIT(i); 5985 he_cap->has_he = true; 5986 memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info, 5987 sizeof(he_cap_elem->mac_cap_info)); 5988 memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info, 5989 sizeof(he_cap_elem->phy_cap_info)); 5990 5991 he_cap_elem->mac_cap_info[1] &= 5992 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK; 5993 5994 he_cap_elem->phy_cap_info[5] &= 5995 ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK; 5996 he_cap_elem->phy_cap_info[5] |= ar->num_tx_chains - 1; 5997 5998 switch (i) { 5999 case NL80211_IFTYPE_AP: 6000 he_cap_elem->phy_cap_info[3] &= 6001 ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK; 6002 he_cap_elem->phy_cap_info[9] |= 6003 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; 6004 break; 6005 case NL80211_IFTYPE_STATION: 6006 he_cap_elem->mac_cap_info[0] &= 6007 ~IEEE80211_HE_MAC_CAP0_TWT_RES; 6008 he_cap_elem->mac_cap_info[0] |= 6009 IEEE80211_HE_MAC_CAP0_TWT_REQ; 6010 he_cap_elem->phy_cap_info[9] |= 6011 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU; 6012 break; 6013 case NL80211_IFTYPE_MESH_POINT: 6014 ath11k_mac_filter_he_cap_mesh(he_cap_elem); 6015 break; 6016 } 6017 6018 ath11k_mac_set_hemcsmap(ar, cap, he_cap, band); 6019 6020 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 6021 if (he_cap_elem->phy_cap_info[6] & 6022 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) 6023 ath11k_gen_ppe_thresh(&band_cap->he_ppet, 6024 he_cap->ppe_thres); 6025 6026 if (band == NL80211_BAND_6GHZ) { 6027 data[idx].he_6ghz_capa.capa = 6028 ath11k_mac_setup_he_6ghz_cap(cap, band_cap); 6029 } 6030 idx++; 6031 } 6032 6033 return idx; 6034} 6035 6036static void ath11k_mac_setup_he_cap(struct ath11k *ar, 6037 struct ath11k_pdev_cap *cap) 6038{ 6039 struct ieee80211_supported_band *band; 6040 int count; 6041 6042 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { 6043 count = ath11k_mac_copy_he_cap(ar, cap, 6044 ar->mac.iftype[NL80211_BAND_2GHZ], 6045 NL80211_BAND_2GHZ); 6046 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 6047 _ieee80211_set_sband_iftype_data(band, 6048 ar->mac.iftype[NL80211_BAND_2GHZ], 6049 count); 6050 } 6051 6052 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) { 6053 count = ath11k_mac_copy_he_cap(ar, cap, 6054 ar->mac.iftype[NL80211_BAND_5GHZ], 6055 NL80211_BAND_5GHZ); 6056 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 6057 _ieee80211_set_sband_iftype_data(band, 6058 ar->mac.iftype[NL80211_BAND_5GHZ], 6059 count); 6060 } 6061 6062 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && 6063 ar->supports_6ghz) { 6064 count = ath11k_mac_copy_he_cap(ar, cap, 6065 ar->mac.iftype[NL80211_BAND_6GHZ], 6066 NL80211_BAND_6GHZ); 6067 band = &ar->mac.sbands[NL80211_BAND_6GHZ]; 6068 _ieee80211_set_sband_iftype_data(band, 6069 ar->mac.iftype[NL80211_BAND_6GHZ], 6070 count); 6071 } 6072} 6073 6074static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant) 6075{ 6076 int ret; 6077 6078 lockdep_assert_held(&ar->conf_mutex); 6079 6080 if (ath11k_check_chain_mask(ar, tx_ant, true)) 6081 return -EINVAL; 6082 6083 if (ath11k_check_chain_mask(ar, rx_ant, false)) 6084 return -EINVAL; 6085 6086 ar->cfg_tx_chainmask = tx_ant; 6087 ar->cfg_rx_chainmask = rx_ant; 6088 6089 if (ar->state != ATH11K_STATE_ON && 6090 ar->state != ATH11K_STATE_RESTARTED) 6091 return 0; 6092 6093 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_TX_CHAIN_MASK, 6094 tx_ant, ar->pdev->pdev_id); 6095 if (ret) { 6096 ath11k_warn(ar->ab, "failed to set tx-chainmask: %d, req 0x%x\n", 6097 ret, tx_ant); 6098 return ret; 6099 } 6100 6101 ar->num_tx_chains = get_num_chains(tx_ant); 6102 6103 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RX_CHAIN_MASK, 6104 rx_ant, ar->pdev->pdev_id); 6105 if (ret) { 6106 ath11k_warn(ar->ab, "failed to set rx-chainmask: %d, req 0x%x\n", 6107 ret, rx_ant); 6108 return ret; 6109 } 6110 6111 ar->num_rx_chains = get_num_chains(rx_ant); 6112 6113 /* Reload HT/VHT/HE capability */ 6114 ath11k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL); 6115 ath11k_mac_setup_he_cap(ar, &ar->pdev->cap); 6116 6117 return 0; 6118} 6119 6120static void ath11k_mgmt_over_wmi_tx_drop(struct ath11k *ar, struct sk_buff *skb) 6121{ 6122 int num_mgmt; 6123 6124 ieee80211_free_txskb(ar->hw, skb); 6125 6126 num_mgmt = atomic_dec_if_positive(&ar->num_pending_mgmt_tx); 6127 6128 if (num_mgmt < 0) 6129 WARN_ON_ONCE(1); 6130 6131 if (!num_mgmt) 6132 wake_up(&ar->txmgmt_empty_waitq); 6133} 6134 6135static void ath11k_mac_tx_mgmt_free(struct ath11k *ar, int buf_id) 6136{ 6137 struct sk_buff *msdu; 6138 struct ieee80211_tx_info *info; 6139 6140 spin_lock_bh(&ar->txmgmt_idr_lock); 6141 msdu = idr_remove(&ar->txmgmt_idr, buf_id); 6142 spin_unlock_bh(&ar->txmgmt_idr_lock); 6143 6144 if (!msdu) 6145 return; 6146 6147 dma_unmap_single(ar->ab->dev, ATH11K_SKB_CB(msdu)->paddr, msdu->len, 6148 DMA_TO_DEVICE); 6149 6150 info = IEEE80211_SKB_CB(msdu); 6151 memset(&info->status, 0, sizeof(info->status)); 6152 6153 ath11k_mgmt_over_wmi_tx_drop(ar, msdu); 6154} 6155 6156int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx) 6157{ 6158 struct ath11k *ar = ctx; 6159 6160 ath11k_mac_tx_mgmt_free(ar, buf_id); 6161 6162 return 0; 6163} 6164 6165static int ath11k_mac_vif_txmgmt_idr_remove(int buf_id, void *skb, void *ctx) 6166{ 6167 struct ieee80211_vif *vif = ctx; 6168 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb); 6169 struct ath11k *ar = skb_cb->ar; 6170 6171 if (skb_cb->vif == vif) 6172 ath11k_mac_tx_mgmt_free(ar, buf_id); 6173 6174 return 0; 6175} 6176 6177static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif, 6178 struct sk_buff *skb) 6179{ 6180 struct ath11k_base *ab = ar->ab; 6181 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 6182 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); 6183 struct ieee80211_tx_info *info; 6184 enum hal_encrypt_type enctype; 6185 unsigned int mic_len; 6186 dma_addr_t paddr; 6187 int buf_id; 6188 int ret; 6189 6190 ATH11K_SKB_CB(skb)->ar = ar; 6191 6192 spin_lock_bh(&ar->txmgmt_idr_lock); 6193 buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0, 6194 ATH11K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC); 6195 spin_unlock_bh(&ar->txmgmt_idr_lock); 6196 6197 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 6198 "tx mgmt frame, buf id %d\n", buf_id); 6199 6200 if (buf_id < 0) 6201 return -ENOSPC; 6202 6203 info = IEEE80211_SKB_CB(skb); 6204 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) { 6205 if ((ieee80211_is_action(hdr->frame_control) || 6206 ieee80211_is_deauth(hdr->frame_control) || 6207 ieee80211_is_disassoc(hdr->frame_control)) && 6208 ieee80211_has_protected(hdr->frame_control)) { 6209 if (!(skb_cb->flags & ATH11K_SKB_CIPHER_SET)) 6210 ath11k_warn(ab, "WMI management tx frame without ATH11K_SKB_CIPHER_SET"); 6211 6212 enctype = ath11k_dp_tx_get_encrypt_type(skb_cb->cipher); 6213 mic_len = ath11k_dp_rx_crypto_mic_len(ar, enctype); 6214 skb_put(skb, mic_len); 6215 } 6216 } 6217 6218 paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE); 6219 if (dma_mapping_error(ab->dev, paddr)) { 6220 ath11k_warn(ab, "failed to DMA map mgmt Tx buffer\n"); 6221 ret = -EIO; 6222 goto err_free_idr; 6223 } 6224 6225 ATH11K_SKB_CB(skb)->paddr = paddr; 6226 6227 ret = ath11k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb); 6228 if (ret) { 6229 ath11k_warn(ar->ab, "failed to send mgmt frame: %d\n", ret); 6230 goto err_unmap_buf; 6231 } 6232 6233 return 0; 6234 6235err_unmap_buf: 6236 dma_unmap_single(ab->dev, ATH11K_SKB_CB(skb)->paddr, 6237 skb->len, DMA_TO_DEVICE); 6238err_free_idr: 6239 spin_lock_bh(&ar->txmgmt_idr_lock); 6240 idr_remove(&ar->txmgmt_idr, buf_id); 6241 spin_unlock_bh(&ar->txmgmt_idr_lock); 6242 6243 return ret; 6244} 6245 6246static void ath11k_mgmt_over_wmi_tx_purge(struct ath11k *ar) 6247{ 6248 struct sk_buff *skb; 6249 6250 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) 6251 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 6252} 6253 6254static int ath11k_mac_mgmt_action_frame_fill_elem_data(struct ath11k_vif *arvif, 6255 struct sk_buff *skb) 6256{ 6257 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 6258 u8 category, *buf, iv_len, action_code, dialog_token; 6259 int cur_tx_power, max_tx_power; 6260 struct ath11k *ar = arvif->ar; 6261 struct cfg80211_chan_def def; 6262 struct ath11k_skb_cb *skb_cb; 6263 struct ieee80211_mgmt *mgmt; 6264 unsigned int remaining_len; 6265 bool has_protected; 6266 6267 lockdep_assert_held(&ar->conf_mutex); 6268 6269 /* make sure category field is present */ 6270 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 6271 return -EINVAL; 6272 6273 remaining_len = skb->len - IEEE80211_MIN_ACTION_SIZE; 6274 has_protected = ieee80211_has_protected(hdr->frame_control); 6275 6276 /* In case of SW crypto and hdr protected (PMF), packet will already be encrypted, 6277 * we can't put in data in this case 6278 */ 6279 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags) && 6280 has_protected) 6281 return 0; 6282 6283 mgmt = (struct ieee80211_mgmt *)hdr; 6284 buf = (u8 *)&mgmt->u.action; 6285 6286 /* FCTL_PROTECTED frame might have extra space added for HDR_LEN. Offset that 6287 * many bytes if it is there 6288 */ 6289 if (has_protected) { 6290 skb_cb = ATH11K_SKB_CB(skb); 6291 6292 switch (skb_cb->cipher) { 6293 /* Cipher suite having flag %IEEE80211_KEY_FLAG_GENERATE_IV_MGMT set in 6294 * key needs to be processed. See ath11k_install_key() 6295 */ 6296 case WLAN_CIPHER_SUITE_CCMP: 6297 case WLAN_CIPHER_SUITE_CCMP_256: 6298 case WLAN_CIPHER_SUITE_GCMP: 6299 case WLAN_CIPHER_SUITE_GCMP_256: 6300 iv_len = IEEE80211_CCMP_HDR_LEN; 6301 break; 6302 case WLAN_CIPHER_SUITE_TKIP: 6303 iv_len = 0; 6304 break; 6305 default: 6306 return -EINVAL; 6307 } 6308 6309 if (remaining_len < iv_len) 6310 return -EINVAL; 6311 6312 buf += iv_len; 6313 remaining_len -= iv_len; 6314 } 6315 6316 category = *buf++; 6317 /* category code is already taken care in %IEEE80211_MIN_ACTION_SIZE hence 6318 * no need to adjust remaining_len 6319 */ 6320 6321 switch (category) { 6322 case WLAN_CATEGORY_RADIO_MEASUREMENT: 6323 /* need action code and dialog token */ 6324 if (remaining_len < 2) 6325 return -EINVAL; 6326 6327 /* Packet Format: 6328 * Action Code | Dialog Token | Variable Len (based on Action Code) 6329 */ 6330 action_code = *buf++; 6331 dialog_token = *buf++; 6332 remaining_len -= 2; 6333 6334 if (ath11k_mac_vif_chan(arvif->vif, &def)) 6335 return -ENOENT; 6336 6337 cur_tx_power = arvif->vif->bss_conf.txpower; 6338 max_tx_power = min(def.chan->max_reg_power, (int)ar->max_tx_power / 2); 6339 ath11k_mac_handle_get_txpower(ar, arvif->vif, &cur_tx_power); 6340 6341 switch (action_code) { 6342 case WLAN_RM_ACTION_LINK_MEASUREMENT_REQUEST: 6343 /* need variable fields to be present in len */ 6344 if (remaining_len < 2) 6345 return -EINVAL; 6346 6347 /* Variable length format as defined in IEEE 802.11-2024, 6348 * Figure 9-1187-Link Measurement Request frame Action field 6349 * format. 6350 * Transmit Power | Max Tx Power 6351 * We fill both of these. 6352 */ 6353 *buf++ = cur_tx_power; 6354 *buf = max_tx_power; 6355 6356 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 6357 "RRM: Link Measurement Req dialog_token %u cur_tx_power %d max_tx_power %d\n", 6358 dialog_token, cur_tx_power, max_tx_power); 6359 break; 6360 case WLAN_RM_ACTION_LINK_MEASUREMENT_REPORT: 6361 /* need variable fields to be present in len */ 6362 if (remaining_len < 3) 6363 return -EINVAL; 6364 6365 /* Variable length format as defined in IEEE 802.11-2024, 6366 * Figure 9-1188-Link Measurement Report frame Action field format 6367 * TPC Report | Variable Fields 6368 * 6369 * TPC Report Format: 6370 * Element ID | Len | Tx Power | Link Margin 6371 * 6372 * We fill Tx power in the TPC Report (2nd index) 6373 */ 6374 buf[2] = cur_tx_power; 6375 6376 /* TODO: At present, Link margin data is not present so can't 6377 * really fill it now. Once it is available, it can be added 6378 * here 6379 */ 6380 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 6381 "RRM: Link Measurement Report dialog_token %u cur_tx_power %d\n", 6382 dialog_token, cur_tx_power); 6383 break; 6384 default: 6385 return -EINVAL; 6386 } 6387 break; 6388 default: 6389 /* nothing to fill */ 6390 return 0; 6391 } 6392 6393 return 0; 6394} 6395 6396static int ath11k_mac_mgmt_frame_fill_elem_data(struct ath11k_vif *arvif, 6397 struct sk_buff *skb) 6398{ 6399 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 6400 6401 if (!ieee80211_is_action(hdr->frame_control)) 6402 return 0; 6403 6404 return ath11k_mac_mgmt_action_frame_fill_elem_data(arvif, skb); 6405} 6406 6407static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work) 6408{ 6409 struct ath11k *ar = container_of(work, struct ath11k, wmi_mgmt_tx_work); 6410 struct ath11k_skb_cb *skb_cb; 6411 struct ath11k_vif *arvif; 6412 struct sk_buff *skb; 6413 int ret; 6414 6415 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) { 6416 skb_cb = ATH11K_SKB_CB(skb); 6417 if (!skb_cb->vif) { 6418 ath11k_warn(ar->ab, "no vif found for mgmt frame\n"); 6419 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 6420 continue; 6421 } 6422 6423 arvif = ath11k_vif_to_arvif(skb_cb->vif); 6424 mutex_lock(&ar->conf_mutex); 6425 if (ar->allocated_vdev_map & (1LL << arvif->vdev_id)) { 6426 /* Fill in the data which is required to be filled by the driver 6427 * For example: Max Tx power in Link Measurement Request/Report 6428 */ 6429 ret = ath11k_mac_mgmt_frame_fill_elem_data(arvif, skb); 6430 if (ret) { 6431 /* If we couldn't fill the data due to any reason, 6432 * let's not discard transmitting the packet. 6433 */ 6434 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 6435 "Failed to fill the required data for the mgmt packet err %d\n", 6436 ret); 6437 } 6438 6439 ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb); 6440 if (ret) { 6441 ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n", 6442 arvif->vdev_id, ret); 6443 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 6444 } else { 6445 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 6446 "tx mgmt frame, vdev_id %d\n", 6447 arvif->vdev_id); 6448 } 6449 } else { 6450 ath11k_warn(ar->ab, 6451 "dropping mgmt frame for vdev %d, is_started %d\n", 6452 arvif->vdev_id, 6453 arvif->is_started); 6454 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 6455 } 6456 mutex_unlock(&ar->conf_mutex); 6457 } 6458} 6459 6460static int ath11k_mac_mgmt_tx(struct ath11k *ar, struct sk_buff *skb, 6461 bool is_prb_rsp) 6462{ 6463 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; 6464 6465 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)) 6466 return -ESHUTDOWN; 6467 6468 /* Drop probe response packets when the pending management tx 6469 * count has reached a certain threshold, so as to prioritize 6470 * other mgmt packets like auth and assoc to be sent on time 6471 * for establishing successful connections. 6472 */ 6473 if (is_prb_rsp && 6474 atomic_read(&ar->num_pending_mgmt_tx) > ATH11K_PRB_RSP_DROP_THRESHOLD) { 6475 ath11k_warn(ar->ab, 6476 "dropping probe response as pending queue is almost full\n"); 6477 return -ENOSPC; 6478 } 6479 6480 if (skb_queue_len_lockless(q) >= ATH11K_TX_MGMT_NUM_PENDING_MAX) { 6481 ath11k_warn(ar->ab, "mgmt tx queue is full\n"); 6482 return -ENOSPC; 6483 } 6484 6485 skb_queue_tail(q, skb); 6486 atomic_inc(&ar->num_pending_mgmt_tx); 6487 queue_work(ar->ab->workqueue_aux, &ar->wmi_mgmt_tx_work); 6488 6489 return 0; 6490} 6491 6492static void ath11k_mac_op_tx(struct ieee80211_hw *hw, 6493 struct ieee80211_tx_control *control, 6494 struct sk_buff *skb) 6495{ 6496 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); 6497 struct ath11k *ar = hw->priv; 6498 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 6499 struct ieee80211_vif *vif = info->control.vif; 6500 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 6501 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 6502 struct ieee80211_key_conf *key = info->control.hw_key; 6503 struct ath11k_sta *arsta = NULL; 6504 u32 info_flags = info->flags; 6505 bool is_prb_rsp; 6506 int ret; 6507 6508 memset(skb_cb, 0, sizeof(*skb_cb)); 6509 skb_cb->vif = vif; 6510 6511 if (key) { 6512 skb_cb->cipher = key->cipher; 6513 skb_cb->flags |= ATH11K_SKB_CIPHER_SET; 6514 } 6515 6516 if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) { 6517 skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP; 6518 } else if (ieee80211_is_mgmt(hdr->frame_control)) { 6519 is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control); 6520 ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp); 6521 if (ret) { 6522 ath11k_warn(ar->ab, "failed to queue management frame %d\n", 6523 ret); 6524 ieee80211_free_txskb(ar->hw, skb); 6525 } 6526 return; 6527 } 6528 6529 if (control->sta) 6530 arsta = ath11k_sta_to_arsta(control->sta); 6531 6532 ret = ath11k_dp_tx(ar, arvif, arsta, skb); 6533 if (unlikely(ret)) { 6534 ath11k_warn(ar->ab, "failed to transmit frame %d\n", ret); 6535 ieee80211_free_txskb(ar->hw, skb); 6536 } 6537} 6538 6539void ath11k_mac_drain_tx(struct ath11k *ar) 6540{ 6541 /* make sure rcu-protected mac80211 tx path itself is drained */ 6542 synchronize_net(); 6543 6544 cancel_work_sync(&ar->wmi_mgmt_tx_work); 6545 ath11k_mgmt_over_wmi_tx_purge(ar); 6546} 6547 6548static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable) 6549{ 6550 struct htt_rx_ring_tlv_filter tlv_filter = {}; 6551 struct ath11k_base *ab = ar->ab; 6552 int i, ret = 0; 6553 u32 ring_id; 6554 6555 if (enable) { 6556 tlv_filter = ath11k_mac_mon_status_filter_default; 6557 if (ath11k_debugfs_rx_filter(ar)) 6558 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar); 6559 } 6560 6561 for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) { 6562 ring_id = ar->dp.rx_mon_status_refill_ring[i].refill_buf_ring.ring_id; 6563 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, 6564 ar->dp.mac_id + i, 6565 HAL_RXDMA_MONITOR_STATUS, 6566 DP_RX_BUFFER_SIZE, 6567 &tlv_filter); 6568 } 6569 6570 if (enable && !ar->ab->hw_params.rxdma1_enable) 6571 mod_timer(&ar->ab->mon_reap_timer, jiffies + 6572 msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL)); 6573 6574 return ret; 6575} 6576 6577static void ath11k_mac_wait_reconfigure(struct ath11k_base *ab) 6578{ 6579 int recovery_start_count; 6580 6581 if (!ab->is_reset) 6582 return; 6583 6584 recovery_start_count = atomic_inc_return(&ab->recovery_start_count); 6585 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery start count %d\n", recovery_start_count); 6586 6587 if (recovery_start_count == ab->num_radios) { 6588 complete(&ab->recovery_start); 6589 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery started success\n"); 6590 } 6591 6592 ath11k_dbg(ab, ATH11K_DBG_MAC, "waiting reconfigure...\n"); 6593 6594 wait_for_completion_timeout(&ab->reconfigure_complete, 6595 ATH11K_RECONFIGURE_TIMEOUT_HZ); 6596} 6597 6598static int ath11k_mac_op_start(struct ieee80211_hw *hw) 6599{ 6600 struct ath11k *ar = hw->priv; 6601 struct ath11k_base *ab = ar->ab; 6602 struct ath11k_pdev *pdev = ar->pdev; 6603 int ret; 6604 6605 if (ath11k_ftm_mode) { 6606 ath11k_warn(ab, "mac operations not supported in factory test mode\n"); 6607 return -EOPNOTSUPP; 6608 } 6609 6610 ath11k_mac_drain_tx(ar); 6611 mutex_lock(&ar->conf_mutex); 6612 6613 switch (ar->state) { 6614 case ATH11K_STATE_OFF: 6615 ar->state = ATH11K_STATE_ON; 6616 break; 6617 case ATH11K_STATE_RESTARTING: 6618 ar->state = ATH11K_STATE_RESTARTED; 6619 ath11k_mac_wait_reconfigure(ab); 6620 break; 6621 case ATH11K_STATE_RESTARTED: 6622 case ATH11K_STATE_WEDGED: 6623 case ATH11K_STATE_ON: 6624 case ATH11K_STATE_FTM: 6625 WARN_ON(1); 6626 ret = -EINVAL; 6627 goto err; 6628 } 6629 6630 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS, 6631 1, pdev->pdev_id); 6632 6633 if (ret) { 6634 ath11k_err(ar->ab, "failed to enable PMF QOS: (%d\n", ret); 6635 goto err; 6636 } 6637 6638 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 1, 6639 pdev->pdev_id); 6640 if (ret) { 6641 ath11k_err(ar->ab, "failed to enable dynamic bw: %d\n", ret); 6642 goto err; 6643 } 6644 6645 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) { 6646 ret = ath11k_wmi_scan_prob_req_oui(ar, ar->mac_addr); 6647 if (ret) { 6648 ath11k_err(ab, "failed to set prob req oui: %i\n", ret); 6649 goto err; 6650 } 6651 } 6652 6653 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_ARP_AC_OVERRIDE, 6654 0, pdev->pdev_id); 6655 if (ret) { 6656 ath11k_err(ab, "failed to set ac override for ARP: %d\n", 6657 ret); 6658 goto err; 6659 } 6660 6661 ret = ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(ar, pdev->pdev_id); 6662 if (ret) { 6663 ath11k_err(ab, "failed to offload radar detection: %d\n", 6664 ret); 6665 goto err; 6666 } 6667 6668 ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar, 6669 HTT_PPDU_STATS_TAG_DEFAULT); 6670 if (ret) { 6671 ath11k_err(ab, "failed to req ppdu stats: %d\n", ret); 6672 goto err; 6673 } 6674 6675 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_MESH_MCAST_ENABLE, 6676 1, pdev->pdev_id); 6677 6678 if (ret) { 6679 ath11k_err(ar->ab, "failed to enable MESH MCAST ENABLE: (%d\n", ret); 6680 goto err; 6681 } 6682 6683 __ath11k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask); 6684 6685 /* TODO: Do we need to enable ANI? */ 6686 6687 ath11k_reg_update_chan_list(ar, false); 6688 6689 ar->num_started_vdevs = 0; 6690 ar->num_created_vdevs = 0; 6691 ar->num_peers = 0; 6692 ar->allocated_vdev_map = 0; 6693 6694 /* Configure monitor status ring with default rx_filter to get rx status 6695 * such as rssi, rx_duration. 6696 */ 6697 ret = ath11k_mac_config_mon_status_default(ar, true); 6698 if (ret) { 6699 ath11k_err(ab, "failed to configure monitor status ring with default rx_filter: (%d)\n", 6700 ret); 6701 goto err; 6702 } 6703 6704 /* Configure the hash seed for hash based reo dest ring selection */ 6705 ath11k_wmi_pdev_lro_cfg(ar, ar->pdev->pdev_id); 6706 6707 /* allow device to enter IMPS */ 6708 if (ab->hw_params.idle_ps) { 6709 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_IDLE_PS_CONFIG, 6710 1, pdev->pdev_id); 6711 if (ret) { 6712 ath11k_err(ab, "failed to enable idle ps: %d\n", ret); 6713 goto err; 6714 } 6715 } 6716 6717 mutex_unlock(&ar->conf_mutex); 6718 6719 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], 6720 &ab->pdevs[ar->pdev_idx]); 6721 6722 return 0; 6723 6724err: 6725 ar->state = ATH11K_STATE_OFF; 6726 mutex_unlock(&ar->conf_mutex); 6727 6728 return ret; 6729} 6730 6731static void ath11k_mac_op_stop(struct ieee80211_hw *hw, bool suspend) 6732{ 6733 struct ath11k *ar = hw->priv; 6734 struct htt_ppdu_stats_info *ppdu_stats, *tmp; 6735 struct scan_chan_list_params *params; 6736 int ret; 6737 6738 ath11k_mac_drain_tx(ar); 6739 6740 mutex_lock(&ar->conf_mutex); 6741 ret = ath11k_mac_config_mon_status_default(ar, false); 6742 if (ret) 6743 ath11k_err(ar->ab, "failed to clear rx_filter for monitor status ring: (%d)\n", 6744 ret); 6745 6746 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); 6747 ar->state = ATH11K_STATE_OFF; 6748 mutex_unlock(&ar->conf_mutex); 6749 6750 cancel_delayed_work_sync(&ar->scan.timeout); 6751 cancel_work_sync(&ar->channel_update_work); 6752 cancel_work_sync(&ar->regd_update_work); 6753 cancel_work_sync(&ar->ab->update_11d_work); 6754 6755 if (ar->state_11d == ATH11K_11D_PREPARING) { 6756 ar->state_11d = ATH11K_11D_IDLE; 6757 complete(&ar->completed_11d_scan); 6758 } 6759 6760 spin_lock_bh(&ar->data_lock); 6761 6762 list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) { 6763 list_del(&ppdu_stats->list); 6764 kfree(ppdu_stats); 6765 } 6766 6767 while ((params = list_first_entry_or_null(&ar->channel_update_queue, 6768 struct scan_chan_list_params, 6769 list))) { 6770 list_del(¶ms->list); 6771 kfree(params); 6772 } 6773 6774 spin_unlock_bh(&ar->data_lock); 6775 6776 rcu_assign_pointer(ar->ab->pdevs_active[ar->pdev_idx], NULL); 6777 6778 synchronize_rcu(); 6779 6780 atomic_set(&ar->num_pending_mgmt_tx, 0); 6781} 6782 6783static int ath11k_mac_setup_vdev_params_mbssid(struct ath11k_vif *arvif, 6784 u32 *flags, u32 *tx_vdev_id) 6785{ 6786 struct ath11k *ar = arvif->ar; 6787 struct ath11k_vif *tx_arvif; 6788 6789 *tx_vdev_id = 0; 6790 tx_arvif = ath11k_mac_get_tx_arvif(arvif); 6791 if (!tx_arvif) { 6792 *flags = WMI_HOST_VDEV_FLAGS_NON_MBSSID_AP; 6793 return 0; 6794 } 6795 6796 if (arvif->vif->bss_conf.nontransmitted) { 6797 if (ar->hw->wiphy != tx_arvif->ar->hw->wiphy) 6798 return -EINVAL; 6799 6800 *flags = WMI_HOST_VDEV_FLAGS_NON_TRANSMIT_AP; 6801 *tx_vdev_id = tx_arvif->vdev_id; 6802 } else if (tx_arvif == arvif) { 6803 *flags = WMI_HOST_VDEV_FLAGS_TRANSMIT_AP; 6804 } else { 6805 return -EINVAL; 6806 } 6807 6808 if (arvif->vif->bss_conf.ema_ap) 6809 *flags |= WMI_HOST_VDEV_FLAGS_EMA_MODE; 6810 6811 return 0; 6812} 6813 6814static int ath11k_mac_setup_vdev_create_params(struct ath11k_vif *arvif, 6815 struct vdev_create_params *params) 6816{ 6817 struct ath11k *ar = arvif->ar; 6818 struct ath11k_pdev *pdev = ar->pdev; 6819 int ret; 6820 6821 params->if_id = arvif->vdev_id; 6822 params->type = arvif->vdev_type; 6823 params->subtype = arvif->vdev_subtype; 6824 params->pdev_id = pdev->pdev_id; 6825 params->mbssid_flags = 0; 6826 params->mbssid_tx_vdev_id = 0; 6827 6828 if (!test_bit(WMI_TLV_SERVICE_MBSS_PARAM_IN_VDEV_START_SUPPORT, 6829 ar->ab->wmi_ab.svc_map)) { 6830 ret = ath11k_mac_setup_vdev_params_mbssid(arvif, 6831 ¶ms->mbssid_flags, 6832 ¶ms->mbssid_tx_vdev_id); 6833 if (ret) 6834 return ret; 6835 } 6836 6837 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) { 6838 params->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains; 6839 params->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains; 6840 } 6841 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) { 6842 params->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains; 6843 params->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains; 6844 } 6845 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP && 6846 ar->supports_6ghz) { 6847 params->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains; 6848 params->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains; 6849 } 6850 return 0; 6851} 6852 6853static void ath11k_mac_op_update_vif_offload(struct ieee80211_hw *hw, 6854 struct ieee80211_vif *vif) 6855{ 6856 struct ath11k *ar = hw->priv; 6857 struct ath11k_base *ab = ar->ab; 6858 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 6859 u32 param_id, param_value; 6860 int ret; 6861 6862 param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE; 6863 if (ath11k_frame_mode != ATH11K_HW_TXRX_ETHERNET || 6864 (vif->type != NL80211_IFTYPE_STATION && 6865 vif->type != NL80211_IFTYPE_AP)) 6866 vif->offload_flags &= ~(IEEE80211_OFFLOAD_ENCAP_ENABLED | 6867 IEEE80211_OFFLOAD_DECAP_ENABLED); 6868 6869 if (vif->offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED) 6870 param_value = ATH11K_HW_TXRX_ETHERNET; 6871 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) 6872 param_value = ATH11K_HW_TXRX_RAW; 6873 else 6874 param_value = ATH11K_HW_TXRX_NATIVE_WIFI; 6875 6876 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 6877 param_id, param_value); 6878 if (ret) { 6879 ath11k_warn(ab, "failed to set vdev %d tx encap mode: %d\n", 6880 arvif->vdev_id, ret); 6881 vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED; 6882 } 6883 6884 param_id = WMI_VDEV_PARAM_RX_DECAP_TYPE; 6885 if (vif->offload_flags & IEEE80211_OFFLOAD_DECAP_ENABLED) 6886 param_value = ATH11K_HW_TXRX_ETHERNET; 6887 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) 6888 param_value = ATH11K_HW_TXRX_RAW; 6889 else 6890 param_value = ATH11K_HW_TXRX_NATIVE_WIFI; 6891 6892 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 6893 param_id, param_value); 6894 if (ret) { 6895 ath11k_warn(ab, "failed to set vdev %d rx decap mode: %d\n", 6896 arvif->vdev_id, ret); 6897 vif->offload_flags &= ~IEEE80211_OFFLOAD_DECAP_ENABLED; 6898 } 6899} 6900 6901static bool ath11k_mac_vif_ap_active_any(struct ath11k_base *ab) 6902{ 6903 struct ath11k *ar; 6904 struct ath11k_pdev *pdev; 6905 struct ath11k_vif *arvif; 6906 int i; 6907 6908 for (i = 0; i < ab->num_radios; i++) { 6909 pdev = &ab->pdevs[i]; 6910 ar = pdev->ar; 6911 list_for_each_entry(arvif, &ar->arvifs, list) { 6912 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_AP) 6913 return true; 6914 } 6915 } 6916 return false; 6917} 6918 6919void ath11k_mac_11d_scan_start(struct ath11k *ar, u32 vdev_id) 6920{ 6921 struct wmi_11d_scan_start_params param; 6922 int ret; 6923 6924 mutex_lock(&ar->ab->vdev_id_11d_lock); 6925 6926 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev id for 11d scan %d\n", 6927 ar->vdev_id_11d_scan); 6928 6929 if (ar->regdom_set_by_user) 6930 goto fin; 6931 6932 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID) 6933 goto fin; 6934 6935 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) 6936 goto fin; 6937 6938 if (ath11k_mac_vif_ap_active_any(ar->ab)) 6939 goto fin; 6940 6941 param.vdev_id = vdev_id; 6942 param.start_interval_msec = 0; 6943 param.scan_period_msec = ATH11K_SCAN_11D_INTERVAL; 6944 6945 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "start 11d scan\n"); 6946 6947 ret = ath11k_wmi_send_11d_scan_start_cmd(ar, ¶m); 6948 if (ret) { 6949 ath11k_warn(ar->ab, "failed to start 11d scan vdev %d ret: %d\n", 6950 vdev_id, ret); 6951 } else { 6952 ar->vdev_id_11d_scan = vdev_id; 6953 if (ar->state_11d == ATH11K_11D_PREPARING) 6954 ar->state_11d = ATH11K_11D_RUNNING; 6955 } 6956 6957fin: 6958 if (ar->state_11d == ATH11K_11D_PREPARING) { 6959 ar->state_11d = ATH11K_11D_IDLE; 6960 complete(&ar->completed_11d_scan); 6961 } 6962 6963 mutex_unlock(&ar->ab->vdev_id_11d_lock); 6964} 6965 6966void ath11k_mac_11d_scan_stop(struct ath11k *ar) 6967{ 6968 int ret; 6969 u32 vdev_id; 6970 6971 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) 6972 return; 6973 6974 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "stop 11d scan\n"); 6975 6976 mutex_lock(&ar->ab->vdev_id_11d_lock); 6977 6978 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "stop 11d vdev id %d\n", 6979 ar->vdev_id_11d_scan); 6980 6981 if (ar->state_11d == ATH11K_11D_PREPARING) { 6982 ar->state_11d = ATH11K_11D_IDLE; 6983 complete(&ar->completed_11d_scan); 6984 } 6985 6986 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID) { 6987 vdev_id = ar->vdev_id_11d_scan; 6988 6989 ret = ath11k_wmi_send_11d_scan_stop_cmd(ar, vdev_id); 6990 if (ret) { 6991 ath11k_warn(ar->ab, 6992 "failed to stopt 11d scan vdev %d ret: %d\n", 6993 vdev_id, ret); 6994 } else { 6995 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID; 6996 ar->state_11d = ATH11K_11D_IDLE; 6997 complete(&ar->completed_11d_scan); 6998 } 6999 } 7000 mutex_unlock(&ar->ab->vdev_id_11d_lock); 7001} 7002 7003void ath11k_mac_11d_scan_stop_all(struct ath11k_base *ab) 7004{ 7005 struct ath11k *ar; 7006 struct ath11k_pdev *pdev; 7007 int i; 7008 7009 ath11k_dbg(ab, ATH11K_DBG_MAC, "stop soc 11d scan\n"); 7010 7011 for (i = 0; i < ab->num_radios; i++) { 7012 pdev = &ab->pdevs[i]; 7013 ar = pdev->ar; 7014 7015 ath11k_mac_11d_scan_stop(ar); 7016 } 7017} 7018 7019static int ath11k_mac_vdev_delete(struct ath11k *ar, struct ath11k_vif *arvif) 7020{ 7021 unsigned long time_left; 7022 struct ieee80211_vif *vif = arvif->vif; 7023 int ret = 0; 7024 7025 lockdep_assert_held(&ar->conf_mutex); 7026 7027 reinit_completion(&ar->vdev_delete_done); 7028 7029 ret = ath11k_wmi_vdev_delete(ar, arvif->vdev_id); 7030 if (ret) { 7031 ath11k_warn(ar->ab, "failed to delete WMI vdev %d: %d\n", 7032 arvif->vdev_id, ret); 7033 return ret; 7034 } 7035 7036 time_left = wait_for_completion_timeout(&ar->vdev_delete_done, 7037 ATH11K_VDEV_DELETE_TIMEOUT_HZ); 7038 if (time_left == 0) { 7039 ath11k_warn(ar->ab, "Timeout in receiving vdev delete response\n"); 7040 return -ETIMEDOUT; 7041 } 7042 7043 ar->ab->free_vdev_map |= 1LL << (arvif->vdev_id); 7044 ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id); 7045 ar->num_created_vdevs--; 7046 7047 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n", 7048 vif->addr, arvif->vdev_id); 7049 7050 return ret; 7051} 7052 7053static void ath11k_mac_bcn_tx_work(struct work_struct *work) 7054{ 7055 struct ath11k_vif *arvif = container_of(work, struct ath11k_vif, 7056 bcn_tx_work); 7057 7058 mutex_lock(&arvif->ar->conf_mutex); 7059 ath11k_mac_bcn_tx_event(arvif); 7060 mutex_unlock(&arvif->ar->conf_mutex); 7061} 7062 7063static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw, 7064 struct ieee80211_vif *vif) 7065{ 7066 struct ath11k *ar = hw->priv; 7067 struct ath11k_base *ab = ar->ab; 7068 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 7069 struct vdev_create_params vdev_param = {}; 7070 struct peer_create_params peer_param; 7071 u32 param_id, param_value; 7072 u16 nss; 7073 int i; 7074 int ret, fbret; 7075 int bit; 7076 7077 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 7078 7079 mutex_lock(&ar->conf_mutex); 7080 7081 if (vif->type == NL80211_IFTYPE_AP && 7082 ar->num_peers > (ar->max_num_peers - 1)) { 7083 ath11k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n"); 7084 ret = -ENOBUFS; 7085 goto err; 7086 } 7087 7088 if (ar->num_created_vdevs > (TARGET_NUM_VDEVS(ab) - 1)) { 7089 ath11k_warn(ab, "failed to create vdev %u, reached max vdev limit %d\n", 7090 ar->num_created_vdevs, TARGET_NUM_VDEVS(ab)); 7091 ret = -EBUSY; 7092 goto err; 7093 } 7094 7095 memset(arvif, 0, sizeof(*arvif)); 7096 7097 arvif->ar = ar; 7098 arvif->vif = vif; 7099 7100 INIT_LIST_HEAD(&arvif->list); 7101 INIT_WORK(&arvif->bcn_tx_work, ath11k_mac_bcn_tx_work); 7102 INIT_DELAYED_WORK(&arvif->connection_loss_work, 7103 ath11k_mac_vif_sta_connection_loss_work); 7104 7105 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) { 7106 arvif->bitrate_mask.control[i].legacy = 0xffffffff; 7107 arvif->bitrate_mask.control[i].gi = NL80211_TXRATE_FORCE_SGI; 7108 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff, 7109 sizeof(arvif->bitrate_mask.control[i].ht_mcs)); 7110 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff, 7111 sizeof(arvif->bitrate_mask.control[i].vht_mcs)); 7112 memset(arvif->bitrate_mask.control[i].he_mcs, 0xff, 7113 sizeof(arvif->bitrate_mask.control[i].he_mcs)); 7114 } 7115 7116 bit = __ffs64(ab->free_vdev_map); 7117 7118 arvif->vdev_id = bit; 7119 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; 7120 7121 switch (vif->type) { 7122 case NL80211_IFTYPE_UNSPECIFIED: 7123 case NL80211_IFTYPE_STATION: 7124 arvif->vdev_type = WMI_VDEV_TYPE_STA; 7125 if (vif->p2p) 7126 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT; 7127 break; 7128 case NL80211_IFTYPE_MESH_POINT: 7129 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_MESH_11S; 7130 fallthrough; 7131 case NL80211_IFTYPE_AP: 7132 arvif->vdev_type = WMI_VDEV_TYPE_AP; 7133 if (vif->p2p) 7134 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO; 7135 break; 7136 case NL80211_IFTYPE_MONITOR: 7137 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; 7138 ar->monitor_vdev_id = bit; 7139 break; 7140 case NL80211_IFTYPE_P2P_DEVICE: 7141 arvif->vdev_type = WMI_VDEV_TYPE_STA; 7142 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE; 7143 break; 7144 7145 default: 7146 WARN_ON(1); 7147 break; 7148 } 7149 7150 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "add interface id %d type %d subtype %d map %llx\n", 7151 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, 7152 ab->free_vdev_map); 7153 7154 vif->cab_queue = arvif->vdev_id % (ATH11K_HW_MAX_QUEUES - 1); 7155 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++) 7156 vif->hw_queue[i] = i % (ATH11K_HW_MAX_QUEUES - 1); 7157 7158 ret = ath11k_mac_setup_vdev_create_params(arvif, &vdev_param); 7159 if (ret) { 7160 ath11k_warn(ab, "failed to create vdev parameters %d: %d\n", 7161 arvif->vdev_id, ret); 7162 goto err; 7163 } 7164 7165 ret = ath11k_wmi_vdev_create(ar, vif->addr, &vdev_param); 7166 if (ret) { 7167 ath11k_warn(ab, "failed to create WMI vdev %d: %d\n", 7168 arvif->vdev_id, ret); 7169 goto err; 7170 } 7171 7172 ar->num_created_vdevs++; 7173 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n", 7174 vif->addr, arvif->vdev_id); 7175 ar->allocated_vdev_map |= 1LL << arvif->vdev_id; 7176 ab->free_vdev_map &= ~(1LL << arvif->vdev_id); 7177 7178 spin_lock_bh(&ar->data_lock); 7179 list_add(&arvif->list, &ar->arvifs); 7180 spin_unlock_bh(&ar->data_lock); 7181 7182 ath11k_mac_op_update_vif_offload(hw, vif); 7183 7184 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1; 7185 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7186 WMI_VDEV_PARAM_NSS, nss); 7187 if (ret) { 7188 ath11k_warn(ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n", 7189 arvif->vdev_id, ar->cfg_tx_chainmask, nss, ret); 7190 goto err_vdev_del; 7191 } 7192 7193 switch (arvif->vdev_type) { 7194 case WMI_VDEV_TYPE_AP: 7195 peer_param.vdev_id = arvif->vdev_id; 7196 peer_param.peer_addr = vif->addr; 7197 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT; 7198 ret = ath11k_peer_create(ar, arvif, NULL, &peer_param); 7199 if (ret) { 7200 ath11k_warn(ab, "failed to vdev %d create peer for AP: %d\n", 7201 arvif->vdev_id, ret); 7202 goto err_vdev_del; 7203 } 7204 7205 ret = ath11k_mac_set_kickout(arvif); 7206 if (ret) { 7207 ath11k_warn(ar->ab, "failed to set vdev %i kickout parameters: %d\n", 7208 arvif->vdev_id, ret); 7209 goto err_peer_del; 7210 } 7211 7212 ath11k_mac_11d_scan_stop_all(ar->ab); 7213 break; 7214 case WMI_VDEV_TYPE_STA: 7215 param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY; 7216 param_value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 7217 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 7218 param_id, param_value); 7219 if (ret) { 7220 ath11k_warn(ar->ab, "failed to set vdev %d RX wake policy: %d\n", 7221 arvif->vdev_id, ret); 7222 goto err_peer_del; 7223 } 7224 7225 param_id = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; 7226 param_value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; 7227 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 7228 param_id, param_value); 7229 if (ret) { 7230 ath11k_warn(ar->ab, "failed to set vdev %d TX wake threshold: %d\n", 7231 arvif->vdev_id, ret); 7232 goto err_peer_del; 7233 } 7234 7235 param_id = WMI_STA_PS_PARAM_PSPOLL_COUNT; 7236 param_value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; 7237 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 7238 param_id, param_value); 7239 if (ret) { 7240 ath11k_warn(ar->ab, "failed to set vdev %d pspoll count: %d\n", 7241 arvif->vdev_id, ret); 7242 goto err_peer_del; 7243 } 7244 7245 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, 7246 WMI_STA_PS_MODE_DISABLED); 7247 if (ret) { 7248 ath11k_warn(ar->ab, "failed to disable vdev %d ps mode: %d\n", 7249 arvif->vdev_id, ret); 7250 goto err_peer_del; 7251 } 7252 7253 if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ab->wmi_ab.svc_map)) { 7254 reinit_completion(&ar->completed_11d_scan); 7255 ar->state_11d = ATH11K_11D_PREPARING; 7256 } 7257 break; 7258 case WMI_VDEV_TYPE_MONITOR: 7259 set_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 7260 break; 7261 default: 7262 break; 7263 } 7264 7265 arvif->txpower = vif->bss_conf.txpower; 7266 ret = ath11k_mac_txpower_recalc(ar); 7267 if (ret) 7268 goto err_peer_del; 7269 7270 param_id = WMI_VDEV_PARAM_RTS_THRESHOLD; 7271 param_value = ar->hw->wiphy->rts_threshold; 7272 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7273 param_id, param_value); 7274 if (ret) { 7275 ath11k_warn(ar->ab, "failed to set rts threshold for vdev %d: %d\n", 7276 arvif->vdev_id, ret); 7277 } 7278 7279 ath11k_dp_vdev_tx_attach(ar, arvif); 7280 7281 if (vif->type != NL80211_IFTYPE_MONITOR && 7282 test_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags)) { 7283 ret = ath11k_mac_monitor_vdev_create(ar); 7284 if (ret) 7285 ath11k_warn(ar->ab, "failed to create monitor vdev during add interface: %d", 7286 ret); 7287 } 7288 7289 if (ath11k_wmi_supports_6ghz_cc_ext(ar)) { 7290 struct cur_regulatory_info *reg_info; 7291 7292 reg_info = &ab->reg_info_store[ar->pdev_idx]; 7293 ath11k_dbg(ab, ATH11K_DBG_MAC, "interface added to change reg rules\n"); 7294 ath11k_reg_handle_chan_list(ab, reg_info, IEEE80211_REG_LPI_AP); 7295 } 7296 7297 mutex_unlock(&ar->conf_mutex); 7298 7299 return 0; 7300 7301err_peer_del: 7302 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 7303 fbret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr); 7304 if (fbret) { 7305 ath11k_warn(ar->ab, "fallback fail to delete peer addr %pM vdev_id %d ret %d\n", 7306 vif->addr, arvif->vdev_id, fbret); 7307 goto err; 7308 } 7309 } 7310 7311err_vdev_del: 7312 ath11k_mac_vdev_delete(ar, arvif); 7313 spin_lock_bh(&ar->data_lock); 7314 list_del(&arvif->list); 7315 spin_unlock_bh(&ar->data_lock); 7316 7317err: 7318 mutex_unlock(&ar->conf_mutex); 7319 7320 return ret; 7321} 7322 7323static int ath11k_mac_vif_unref(int buf_id, void *skb, void *ctx) 7324{ 7325 struct ieee80211_vif *vif = ctx; 7326 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); 7327 7328 if (skb_cb->vif == vif) 7329 skb_cb->vif = NULL; 7330 7331 return 0; 7332} 7333 7334static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw, 7335 struct ieee80211_vif *vif) 7336{ 7337 struct ath11k *ar = hw->priv; 7338 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 7339 struct ath11k_base *ab = ar->ab; 7340 int ret; 7341 int i; 7342 7343 cancel_delayed_work_sync(&arvif->connection_loss_work); 7344 cancel_work_sync(&arvif->bcn_tx_work); 7345 7346 mutex_lock(&ar->conf_mutex); 7347 7348 ath11k_dbg(ab, ATH11K_DBG_MAC, "remove interface (vdev %d)\n", 7349 arvif->vdev_id); 7350 7351 ret = ath11k_spectral_vif_stop(arvif); 7352 if (ret) 7353 ath11k_warn(ab, "failed to stop spectral for vdev %i: %d\n", 7354 arvif->vdev_id, ret); 7355 7356 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 7357 ath11k_mac_11d_scan_stop(ar); 7358 7359 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 7360 ret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr); 7361 if (ret) 7362 ath11k_warn(ab, "failed to submit AP self-peer removal on vdev %d: %d\n", 7363 arvif->vdev_id, ret); 7364 } 7365 7366 ret = ath11k_mac_vdev_delete(ar, arvif); 7367 if (ret) { 7368 ath11k_warn(ab, "failed to delete vdev %d: %d\n", 7369 arvif->vdev_id, ret); 7370 goto err_vdev_del; 7371 } 7372 7373 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 7374 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 7375 ar->monitor_vdev_id = -1; 7376 } else if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags) && 7377 !test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) { 7378 ret = ath11k_mac_monitor_vdev_delete(ar); 7379 if (ret) 7380 /* continue even if there's an error */ 7381 ath11k_warn(ar->ab, "failed to delete vdev monitor during remove interface: %d", 7382 ret); 7383 } 7384 7385err_vdev_del: 7386 spin_lock_bh(&ar->data_lock); 7387 list_del(&arvif->list); 7388 spin_unlock_bh(&ar->data_lock); 7389 7390 ath11k_peer_cleanup(ar, arvif->vdev_id); 7391 7392 idr_for_each(&ar->txmgmt_idr, 7393 ath11k_mac_vif_txmgmt_idr_remove, vif); 7394 7395 for (i = 0; i < ab->hw_params.max_tx_ring; i++) { 7396 spin_lock_bh(&ab->dp.tx_ring[i].tx_idr_lock); 7397 idr_for_each(&ab->dp.tx_ring[i].txbuf_idr, 7398 ath11k_mac_vif_unref, vif); 7399 spin_unlock_bh(&ab->dp.tx_ring[i].tx_idr_lock); 7400 } 7401 7402 /* Recalc txpower for remaining vdev */ 7403 ath11k_mac_txpower_recalc(ar); 7404 7405 /* TODO: recalc traffic pause state based on the available vdevs */ 7406 7407 mutex_unlock(&ar->conf_mutex); 7408} 7409 7410/* FIXME: Has to be verified. */ 7411#define SUPPORTED_FILTERS \ 7412 (FIF_ALLMULTI | \ 7413 FIF_CONTROL | \ 7414 FIF_PSPOLL | \ 7415 FIF_OTHER_BSS | \ 7416 FIF_BCN_PRBRESP_PROMISC | \ 7417 FIF_PROBE_REQ | \ 7418 FIF_FCSFAIL) 7419 7420static void ath11k_mac_op_configure_filter(struct ieee80211_hw *hw, 7421 unsigned int changed_flags, 7422 unsigned int *total_flags, 7423 u64 multicast) 7424{ 7425 struct ath11k *ar = hw->priv; 7426 7427 mutex_lock(&ar->conf_mutex); 7428 7429 *total_flags &= SUPPORTED_FILTERS; 7430 ar->filter_flags = *total_flags; 7431 7432 mutex_unlock(&ar->conf_mutex); 7433} 7434 7435static int ath11k_mac_op_get_antenna(struct ieee80211_hw *hw, int radio_idx, 7436 u32 *tx_ant, u32 *rx_ant) 7437{ 7438 struct ath11k *ar = hw->priv; 7439 7440 mutex_lock(&ar->conf_mutex); 7441 7442 *tx_ant = ar->cfg_tx_chainmask; 7443 *rx_ant = ar->cfg_rx_chainmask; 7444 7445 mutex_unlock(&ar->conf_mutex); 7446 7447 return 0; 7448} 7449 7450static int ath11k_mac_op_set_antenna(struct ieee80211_hw *hw, int radio_idx, 7451 u32 tx_ant, u32 rx_ant) 7452{ 7453 struct ath11k *ar = hw->priv; 7454 int ret; 7455 7456 mutex_lock(&ar->conf_mutex); 7457 ret = __ath11k_set_antenna(ar, tx_ant, rx_ant); 7458 mutex_unlock(&ar->conf_mutex); 7459 7460 return ret; 7461} 7462 7463static int ath11k_mac_op_ampdu_action(struct ieee80211_hw *hw, 7464 struct ieee80211_vif *vif, 7465 struct ieee80211_ampdu_params *params) 7466{ 7467 struct ath11k *ar = hw->priv; 7468 int ret = -EINVAL; 7469 7470 mutex_lock(&ar->conf_mutex); 7471 7472 switch (params->action) { 7473 case IEEE80211_AMPDU_RX_START: 7474 ret = ath11k_dp_rx_ampdu_start(ar, params); 7475 break; 7476 case IEEE80211_AMPDU_RX_STOP: 7477 ret = ath11k_dp_rx_ampdu_stop(ar, params); 7478 break; 7479 case IEEE80211_AMPDU_TX_START: 7480 case IEEE80211_AMPDU_TX_STOP_CONT: 7481 case IEEE80211_AMPDU_TX_STOP_FLUSH: 7482 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 7483 case IEEE80211_AMPDU_TX_OPERATIONAL: 7484 /* Tx A-MPDU aggregation offloaded to hw/fw so deny mac80211 7485 * Tx aggregation requests. 7486 */ 7487 ret = -EOPNOTSUPP; 7488 break; 7489 } 7490 7491 mutex_unlock(&ar->conf_mutex); 7492 7493 return ret; 7494} 7495 7496static int ath11k_mac_op_add_chanctx(struct ieee80211_hw *hw, 7497 struct ieee80211_chanctx_conf *ctx) 7498{ 7499 struct ath11k *ar = hw->priv; 7500 struct ath11k_base *ab = ar->ab; 7501 7502 ath11k_dbg(ab, ATH11K_DBG_MAC, 7503 "chanctx add freq %u width %d ptr %p\n", 7504 ctx->def.chan->center_freq, ctx->def.width, ctx); 7505 7506 mutex_lock(&ar->conf_mutex); 7507 7508 spin_lock_bh(&ar->data_lock); 7509 /* TODO: In case of multiple channel context, populate rx_channel from 7510 * Rx PPDU desc information. 7511 */ 7512 ar->rx_channel = ctx->def.chan; 7513 spin_unlock_bh(&ar->data_lock); 7514 7515 mutex_unlock(&ar->conf_mutex); 7516 7517 return 0; 7518} 7519 7520static void ath11k_mac_op_remove_chanctx(struct ieee80211_hw *hw, 7521 struct ieee80211_chanctx_conf *ctx) 7522{ 7523 struct ath11k *ar = hw->priv; 7524 struct ath11k_base *ab = ar->ab; 7525 7526 ath11k_dbg(ab, ATH11K_DBG_MAC, 7527 "chanctx remove freq %u width %d ptr %p\n", 7528 ctx->def.chan->center_freq, ctx->def.width, ctx); 7529 7530 mutex_lock(&ar->conf_mutex); 7531 7532 spin_lock_bh(&ar->data_lock); 7533 /* TODO: In case of there is one more channel context left, populate 7534 * rx_channel with the channel of that remaining channel context. 7535 */ 7536 ar->rx_channel = NULL; 7537 spin_unlock_bh(&ar->data_lock); 7538 7539 mutex_unlock(&ar->conf_mutex); 7540} 7541 7542static int 7543ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif, 7544 struct ieee80211_chanctx_conf *ctx, 7545 bool restart) 7546{ 7547 struct ath11k *ar = arvif->ar; 7548 struct ath11k_base *ab = ar->ab; 7549 struct wmi_vdev_start_req_arg arg = {}; 7550 const struct cfg80211_chan_def *chandef = &ctx->def; 7551 int ret = 0; 7552 unsigned int dfs_cac_time; 7553 7554 lockdep_assert_held(&ar->conf_mutex); 7555 7556 reinit_completion(&ar->vdev_setup_done); 7557 7558 arg.vdev_id = arvif->vdev_id; 7559 arg.dtim_period = arvif->dtim_period; 7560 arg.bcn_intval = arvif->beacon_interval; 7561 7562 arg.channel.freq = chandef->chan->center_freq; 7563 arg.channel.band_center_freq1 = chandef->center_freq1; 7564 arg.channel.band_center_freq2 = chandef->center_freq2; 7565 arg.channel.mode = 7566 ath11k_phymodes[chandef->chan->band][chandef->width]; 7567 7568 arg.channel.min_power = 0; 7569 arg.channel.max_power = chandef->chan->max_power; 7570 arg.channel.max_reg_power = chandef->chan->max_reg_power; 7571 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain; 7572 7573 arg.pref_tx_streams = ar->num_tx_chains; 7574 arg.pref_rx_streams = ar->num_rx_chains; 7575 7576 arg.mbssid_flags = 0; 7577 arg.mbssid_tx_vdev_id = 0; 7578 if (test_bit(WMI_TLV_SERVICE_MBSS_PARAM_IN_VDEV_START_SUPPORT, 7579 ar->ab->wmi_ab.svc_map)) { 7580 ret = ath11k_mac_setup_vdev_params_mbssid(arvif, 7581 &arg.mbssid_flags, 7582 &arg.mbssid_tx_vdev_id); 7583 if (ret) 7584 return ret; 7585 } 7586 7587 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 7588 arg.ssid = arvif->u.ap.ssid; 7589 arg.ssid_len = arvif->u.ap.ssid_len; 7590 arg.hidden_ssid = arvif->u.ap.hidden_ssid; 7591 7592 /* For now allow DFS for AP mode */ 7593 arg.channel.chan_radar = 7594 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); 7595 7596 arg.channel.freq2_radar = ctx->radar_enabled; 7597 7598 arg.channel.passive = arg.channel.chan_radar; 7599 7600 spin_lock_bh(&ab->base_lock); 7601 arg.regdomain = ar->ab->dfs_region; 7602 spin_unlock_bh(&ab->base_lock); 7603 } 7604 7605 arg.channel.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR); 7606 7607 ath11k_dbg(ab, ATH11K_DBG_MAC, 7608 "vdev %d start center_freq %d phymode %s\n", 7609 arg.vdev_id, arg.channel.freq, 7610 ath11k_wmi_phymode_str(arg.channel.mode)); 7611 7612 ret = ath11k_wmi_vdev_start(ar, &arg, restart); 7613 if (ret) { 7614 ath11k_warn(ar->ab, "failed to %s WMI vdev %i\n", 7615 restart ? "restart" : "start", arg.vdev_id); 7616 return ret; 7617 } 7618 7619 ret = ath11k_mac_vdev_setup_sync(ar); 7620 if (ret) { 7621 ath11k_warn(ab, "failed to synchronize setup for vdev %i %s: %d\n", 7622 arg.vdev_id, restart ? "restart" : "start", ret); 7623 return ret; 7624 } 7625 7626 /* TODO: For now we only set TPC power here. However when 7627 * channel changes, say CSA, it should be updated again. 7628 */ 7629 if (ath11k_mac_supports_station_tpc(ar, arvif, chandef)) { 7630 ath11k_mac_fill_reg_tpc_info(ar, arvif->vif, &arvif->chanctx); 7631 ath11k_wmi_send_vdev_set_tpc_power(ar, arvif->vdev_id, 7632 &arvif->reg_tpc_info); 7633 } 7634 7635 if (!restart) 7636 ar->num_started_vdevs++; 7637 7638 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM started, vdev_id %d\n", 7639 arvif->vif->addr, arvif->vdev_id); 7640 7641 /* Enable CAC Flag in the driver by checking the all sub-channel's DFS 7642 * state as NL80211_DFS_USABLE which indicates CAC needs to be 7643 * done before channel usage. This flags is used to drop rx packets. 7644 * during CAC. 7645 */ 7646 /* TODO Set the flag for other interface types as required */ 7647 if (arvif->vdev_type == WMI_VDEV_TYPE_AP && ctx->radar_enabled && 7648 cfg80211_chandef_dfs_usable(ar->hw->wiphy, chandef)) { 7649 set_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); 7650 dfs_cac_time = cfg80211_chandef_dfs_cac_time(ar->hw->wiphy, 7651 chandef); 7652 ath11k_dbg(ab, ATH11K_DBG_MAC, 7653 "cac started dfs_cac_time %u center_freq %d center_freq1 %d for vdev %d\n", 7654 dfs_cac_time, arg.channel.freq, chandef->center_freq1, 7655 arg.vdev_id); 7656 } 7657 7658 ret = ath11k_mac_set_txbf_conf(arvif); 7659 if (ret) 7660 ath11k_warn(ab, "failed to set txbf conf for vdev %d: %d\n", 7661 arvif->vdev_id, ret); 7662 7663 return 0; 7664} 7665 7666static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif) 7667{ 7668 struct ath11k *ar = arvif->ar; 7669 int ret; 7670 7671 lockdep_assert_held(&ar->conf_mutex); 7672 7673 reinit_completion(&ar->vdev_setup_done); 7674 7675 ret = ath11k_wmi_vdev_stop(ar, arvif->vdev_id); 7676 if (ret) { 7677 ath11k_warn(ar->ab, "failed to stop WMI vdev %i: %d\n", 7678 arvif->vdev_id, ret); 7679 goto err; 7680 } 7681 7682 ret = ath11k_mac_vdev_setup_sync(ar); 7683 if (ret) { 7684 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i: %d\n", 7685 arvif->vdev_id, ret); 7686 goto err; 7687 } 7688 7689 WARN_ON(ar->num_started_vdevs == 0); 7690 7691 ar->num_started_vdevs--; 7692 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n", 7693 arvif->vif->addr, arvif->vdev_id); 7694 7695 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) { 7696 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); 7697 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "CAC Stopped for vdev %d\n", 7698 arvif->vdev_id); 7699 } 7700 7701 return 0; 7702err: 7703 return ret; 7704} 7705 7706static int ath11k_mac_vdev_start(struct ath11k_vif *arvif, 7707 struct ieee80211_chanctx_conf *ctx) 7708{ 7709 return ath11k_mac_vdev_start_restart(arvif, ctx, false); 7710} 7711 7712static int ath11k_mac_vdev_restart(struct ath11k_vif *arvif, 7713 struct ieee80211_chanctx_conf *ctx) 7714{ 7715 return ath11k_mac_vdev_start_restart(arvif, ctx, true); 7716} 7717 7718struct ath11k_mac_change_chanctx_arg { 7719 struct ieee80211_chanctx_conf *ctx; 7720 struct ieee80211_vif_chanctx_switch *vifs; 7721 int n_vifs; 7722 int next_vif; 7723}; 7724 7725static void 7726ath11k_mac_change_chanctx_cnt_iter(void *data, u8 *mac, 7727 struct ieee80211_vif *vif) 7728{ 7729 struct ath11k_mac_change_chanctx_arg *arg = data; 7730 7731 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) != arg->ctx) 7732 return; 7733 7734 arg->n_vifs++; 7735} 7736 7737static void 7738ath11k_mac_change_chanctx_fill_iter(void *data, u8 *mac, 7739 struct ieee80211_vif *vif) 7740{ 7741 struct ath11k_mac_change_chanctx_arg *arg = data; 7742 struct ieee80211_chanctx_conf *ctx; 7743 7744 ctx = rcu_access_pointer(vif->bss_conf.chanctx_conf); 7745 if (ctx != arg->ctx) 7746 return; 7747 7748 if (WARN_ON(arg->next_vif == arg->n_vifs)) 7749 return; 7750 7751 arg->vifs[arg->next_vif].vif = vif; 7752 arg->vifs[arg->next_vif].old_ctx = ctx; 7753 arg->vifs[arg->next_vif].new_ctx = ctx; 7754 arg->next_vif++; 7755} 7756 7757static void 7758ath11k_mac_update_vif_chan(struct ath11k *ar, 7759 struct ieee80211_vif_chanctx_switch *vifs, 7760 int n_vifs) 7761{ 7762 struct ath11k_base *ab = ar->ab; 7763 struct ath11k_vif *arvif, *tx_arvif; 7764 int ret; 7765 int i; 7766 bool monitor_vif = false; 7767 7768 lockdep_assert_held(&ar->conf_mutex); 7769 7770 /* Associated channel resources of all relevant vdevs 7771 * should be available for the channel switch now. 7772 */ 7773 7774 /* TODO: Update ar->rx_channel */ 7775 7776 for (i = 0; i < n_vifs; i++) { 7777 arvif = ath11k_vif_to_arvif(vifs[i].vif); 7778 7779 if (WARN_ON(!arvif->is_started)) 7780 continue; 7781 7782 /* change_chanctx can be called even before vdev_up from 7783 * ieee80211_start_ap->ieee80211_vif_use_channel-> 7784 * ieee80211_recalc_radar_chanctx. 7785 * 7786 * Firmware expect vdev_restart only if vdev is up. 7787 * If vdev is down then it expect vdev_stop->vdev_start. 7788 */ 7789 if (arvif->is_up) { 7790 ret = ath11k_mac_vdev_restart(arvif, vifs[i].new_ctx); 7791 if (ret) { 7792 ath11k_warn(ab, "failed to restart vdev %d: %d\n", 7793 arvif->vdev_id, ret); 7794 continue; 7795 } 7796 } else { 7797 ret = ath11k_mac_vdev_stop(arvif); 7798 if (ret) { 7799 ath11k_warn(ab, "failed to stop vdev %d: %d\n", 7800 arvif->vdev_id, ret); 7801 continue; 7802 } 7803 7804 ret = ath11k_mac_vdev_start(arvif, vifs[i].new_ctx); 7805 if (ret) 7806 ath11k_warn(ab, "failed to start vdev %d: %d\n", 7807 arvif->vdev_id, ret); 7808 7809 continue; 7810 } 7811 7812 ret = ath11k_mac_setup_bcn_tmpl(arvif); 7813 if (ret) 7814 ath11k_warn(ab, "failed to update bcn tmpl during csa: %d\n", 7815 ret); 7816 7817 tx_arvif = ath11k_mac_get_tx_arvif(arvif); 7818 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 7819 arvif->bssid, 7820 tx_arvif ? tx_arvif->bssid : NULL, 7821 arvif->vif->bss_conf.bssid_index, 7822 1 << arvif->vif->bss_conf.bssid_indicator); 7823 if (ret) { 7824 ath11k_warn(ab, "failed to bring vdev up %d: %d\n", 7825 arvif->vdev_id, ret); 7826 continue; 7827 } 7828 } 7829 7830 /* Restart the internal monitor vdev on new channel */ 7831 if (!monitor_vif && 7832 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) { 7833 ret = ath11k_mac_monitor_stop(ar); 7834 if (ret) { 7835 ath11k_warn(ar->ab, "failed to stop monitor during vif channel update: %d", 7836 ret); 7837 return; 7838 } 7839 7840 ret = ath11k_mac_monitor_start(ar); 7841 if (ret) { 7842 ath11k_warn(ar->ab, "failed to start monitor during vif channel update: %d", 7843 ret); 7844 return; 7845 } 7846 } 7847} 7848 7849static void 7850ath11k_mac_update_active_vif_chan(struct ath11k *ar, 7851 struct ieee80211_chanctx_conf *ctx) 7852{ 7853 struct ath11k_mac_change_chanctx_arg arg = { .ctx = ctx }; 7854 7855 lockdep_assert_held(&ar->conf_mutex); 7856 7857 ieee80211_iterate_active_interfaces_atomic(ar->hw, 7858 IEEE80211_IFACE_ITER_NORMAL, 7859 ath11k_mac_change_chanctx_cnt_iter, 7860 &arg); 7861 if (arg.n_vifs == 0) 7862 return; 7863 7864 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), GFP_KERNEL); 7865 if (!arg.vifs) 7866 return; 7867 7868 ieee80211_iterate_active_interfaces_atomic(ar->hw, 7869 IEEE80211_IFACE_ITER_NORMAL, 7870 ath11k_mac_change_chanctx_fill_iter, 7871 &arg); 7872 7873 ath11k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs); 7874 7875 kfree(arg.vifs); 7876} 7877 7878static void ath11k_mac_op_change_chanctx(struct ieee80211_hw *hw, 7879 struct ieee80211_chanctx_conf *ctx, 7880 u32 changed) 7881{ 7882 struct ath11k *ar = hw->priv; 7883 struct ath11k_base *ab = ar->ab; 7884 7885 mutex_lock(&ar->conf_mutex); 7886 7887 ath11k_dbg(ab, ATH11K_DBG_MAC, 7888 "chanctx change freq %u width %d ptr %p changed %x\n", 7889 ctx->def.chan->center_freq, ctx->def.width, ctx, changed); 7890 7891 /* This shouldn't really happen because channel switching should use 7892 * switch_vif_chanctx(). 7893 */ 7894 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL)) 7895 goto unlock; 7896 7897 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH || 7898 changed & IEEE80211_CHANCTX_CHANGE_RADAR) 7899 ath11k_mac_update_active_vif_chan(ar, ctx); 7900 7901 /* TODO: Recalc radar detection */ 7902 7903unlock: 7904 mutex_unlock(&ar->conf_mutex); 7905} 7906 7907static int ath11k_mac_start_vdev_delay(struct ieee80211_hw *hw, 7908 struct ieee80211_vif *vif) 7909{ 7910 struct ath11k *ar = hw->priv; 7911 struct ath11k_base *ab = ar->ab; 7912 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 7913 int ret; 7914 7915 if (WARN_ON(arvif->is_started)) 7916 return -EBUSY; 7917 7918 ret = ath11k_mac_vdev_start(arvif, &arvif->chanctx); 7919 if (ret) { 7920 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n", 7921 arvif->vdev_id, vif->addr, 7922 arvif->chanctx.def.chan->center_freq, ret); 7923 return ret; 7924 } 7925 7926 /* Reconfigure hardware rate code since it is cleared by firmware. 7927 */ 7928 if (ar->hw_rate_code > 0) { 7929 u32 vdev_param = WMI_VDEV_PARAM_MGMT_RATE; 7930 7931 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, 7932 ar->hw_rate_code); 7933 if (ret) { 7934 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret); 7935 return ret; 7936 } 7937 } 7938 7939 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 7940 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, 0, ar->mac_addr, 7941 NULL, 0, 0); 7942 if (ret) { 7943 ath11k_warn(ab, "failed put monitor up: %d\n", ret); 7944 return ret; 7945 } 7946 } 7947 7948 arvif->is_started = true; 7949 7950 /* TODO: Setup ps and cts/rts protection */ 7951 return 0; 7952} 7953 7954static int ath11k_mac_stop_vdev_early(struct ieee80211_hw *hw, 7955 struct ieee80211_vif *vif) 7956{ 7957 struct ath11k *ar = hw->priv; 7958 struct ath11k_base *ab = ar->ab; 7959 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 7960 int ret; 7961 7962 if (WARN_ON(!arvif->is_started)) 7963 return -EBUSY; 7964 7965 ret = ath11k_mac_vdev_stop(arvif); 7966 if (ret) { 7967 ath11k_warn(ab, "failed to stop vdev %i: %d\n", 7968 arvif->vdev_id, ret); 7969 return ret; 7970 } 7971 7972 arvif->is_started = false; 7973 7974 /* TODO: Setup ps and cts/rts protection */ 7975 return 0; 7976} 7977 7978static u8 ath11k_mac_get_num_pwr_levels(struct cfg80211_chan_def *chan_def) 7979{ 7980 if (chan_def->chan->flags & IEEE80211_CHAN_PSD) { 7981 switch (chan_def->width) { 7982 case NL80211_CHAN_WIDTH_20: 7983 return 1; 7984 case NL80211_CHAN_WIDTH_40: 7985 return 2; 7986 case NL80211_CHAN_WIDTH_80: 7987 return 4; 7988 case NL80211_CHAN_WIDTH_80P80: 7989 case NL80211_CHAN_WIDTH_160: 7990 return 8; 7991 default: 7992 return 1; 7993 } 7994 } else { 7995 switch (chan_def->width) { 7996 case NL80211_CHAN_WIDTH_20: 7997 return 1; 7998 case NL80211_CHAN_WIDTH_40: 7999 return 2; 8000 case NL80211_CHAN_WIDTH_80: 8001 return 3; 8002 case NL80211_CHAN_WIDTH_80P80: 8003 case NL80211_CHAN_WIDTH_160: 8004 return 4; 8005 default: 8006 return 1; 8007 } 8008 } 8009} 8010 8011static u16 ath11k_mac_get_6ghz_start_frequency(struct cfg80211_chan_def *chan_def) 8012{ 8013 u16 diff_seq; 8014 8015 /* It is to get the lowest channel number's center frequency of the chan. 8016 * For example, 8017 * bandwidth=40 MHz, center frequency is 5965, lowest channel is 1 8018 * with center frequency 5955, its diff is 5965 - 5955 = 10. 8019 * bandwidth=80 MHz, center frequency is 5985, lowest channel is 1 8020 * with center frequency 5955, its diff is 5985 - 5955 = 30. 8021 * bandwidth=160 MHz, center frequency is 6025, lowest channel is 1 8022 * with center frequency 5955, its diff is 6025 - 5955 = 70. 8023 */ 8024 switch (chan_def->width) { 8025 case NL80211_CHAN_WIDTH_160: 8026 diff_seq = 70; 8027 break; 8028 case NL80211_CHAN_WIDTH_80: 8029 case NL80211_CHAN_WIDTH_80P80: 8030 diff_seq = 30; 8031 break; 8032 case NL80211_CHAN_WIDTH_40: 8033 diff_seq = 10; 8034 break; 8035 default: 8036 diff_seq = 0; 8037 } 8038 8039 return chan_def->center_freq1 - diff_seq; 8040} 8041 8042static u16 ath11k_mac_get_seg_freq(struct cfg80211_chan_def *chan_def, 8043 u16 start_seq, u8 seq) 8044{ 8045 u16 seg_seq; 8046 8047 /* It is to get the center frequency of the specific bandwidth. 8048 * start_seq means the lowest channel number's center frequency. 8049 * seq 0/1/2/3 means 20 MHz/40 MHz/80 MHz/160 MHz&80P80. 8050 * For example, 8051 * lowest channel is 1, its center frequency 5955, 8052 * center frequency is 5955 when bandwidth=20 MHz, its diff is 5955 - 5955 = 0. 8053 * lowest channel is 1, its center frequency 5955, 8054 * center frequency is 5965 when bandwidth=40 MHz, its diff is 5965 - 5955 = 10. 8055 * lowest channel is 1, its center frequency 5955, 8056 * center frequency is 5985 when bandwidth=80 MHz, its diff is 5985 - 5955 = 30. 8057 * lowest channel is 1, its center frequency 5955, 8058 * center frequency is 6025 when bandwidth=160 MHz, its diff is 6025 - 5955 = 70. 8059 */ 8060 if (chan_def->width == NL80211_CHAN_WIDTH_80P80 && seq == 3) 8061 return chan_def->center_freq2; 8062 8063 seg_seq = 10 * (BIT(seq) - 1); 8064 return seg_seq + start_seq; 8065} 8066 8067static void ath11k_mac_get_psd_channel(struct ath11k *ar, 8068 u16 step_freq, 8069 u16 *start_freq, 8070 u16 *center_freq, 8071 u8 i, 8072 struct ieee80211_channel **temp_chan, 8073 s8 *tx_power) 8074{ 8075 /* It is to get the center frequency for each 20 MHz. 8076 * For example, if the chan is 160 MHz and center frequency is 6025, 8077 * then it include 8 channels, they are 1/5/9/13/17/21/25/29, 8078 * channel number 1's center frequency is 5955, it is parameter start_freq. 8079 * parameter i is the step of the 8 channels. i is 0~7 for the 8 channels. 8080 * the channel 1/5/9/13/17/21/25/29 maps i=0/1/2/3/4/5/6/7, 8081 * and maps its center frequency is 5955/5975/5995/6015/6035/6055/6075/6095, 8082 * the gap is 20 for each channel, parameter step_freq means the gap. 8083 * after get the center frequency of each channel, it is easy to find the 8084 * struct ieee80211_channel of it and get the max_reg_power. 8085 */ 8086 *center_freq = *start_freq + i * step_freq; 8087 *temp_chan = ieee80211_get_channel(ar->hw->wiphy, *center_freq); 8088 *tx_power = (*temp_chan)->max_reg_power; 8089} 8090 8091static void ath11k_mac_get_eirp_power(struct ath11k *ar, 8092 u16 *start_freq, 8093 u16 *center_freq, 8094 u8 i, 8095 struct ieee80211_channel **temp_chan, 8096 struct cfg80211_chan_def *def, 8097 s8 *tx_power) 8098{ 8099 /* It is to get the center frequency for 20 MHz/40 MHz/80 MHz/ 8100 * 160 MHz&80P80 bandwidth, and then plus 10 to the center frequency, 8101 * it is the center frequency of a channel number. 8102 * For example, when configured channel number is 1. 8103 * center frequency is 5965 when bandwidth=40 MHz, after plus 10, it is 5975, 8104 * then it is channel number 5. 8105 * center frequency is 5985 when bandwidth=80 MHz, after plus 10, it is 5995, 8106 * then it is channel number 9. 8107 * center frequency is 6025 when bandwidth=160 MHz, after plus 10, it is 6035, 8108 * then it is channel number 17. 8109 * after get the center frequency of each channel, it is easy to find the 8110 * struct ieee80211_channel of it and get the max_reg_power. 8111 */ 8112 *center_freq = ath11k_mac_get_seg_freq(def, *start_freq, i); 8113 8114 /* For the 20 MHz, its center frequency is same with same channel */ 8115 if (i != 0) 8116 *center_freq += 10; 8117 8118 *temp_chan = ieee80211_get_channel(ar->hw->wiphy, *center_freq); 8119 *tx_power = (*temp_chan)->max_reg_power; 8120} 8121 8122void ath11k_mac_fill_reg_tpc_info(struct ath11k *ar, 8123 struct ieee80211_vif *vif, 8124 struct ieee80211_chanctx_conf *ctx) 8125{ 8126 struct ath11k_base *ab = ar->ab; 8127 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 8128 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 8129 struct ath11k_reg_tpc_power_info *reg_tpc_info = &arvif->reg_tpc_info; 8130 struct ieee80211_channel *chan, *temp_chan; 8131 u8 pwr_lvl_idx, num_pwr_levels, pwr_reduction; 8132 bool is_psd_power = false, is_tpe_present = false; 8133 s8 max_tx_power[ATH11K_NUM_PWR_LEVELS], 8134 psd_power, tx_power; 8135 s8 eirp_power = 0; 8136 u16 start_freq, center_freq; 8137 8138 chan = ctx->def.chan; 8139 start_freq = ath11k_mac_get_6ghz_start_frequency(&ctx->def); 8140 pwr_reduction = bss_conf->pwr_reduction; 8141 8142 if (arvif->reg_tpc_info.num_pwr_levels) { 8143 is_tpe_present = true; 8144 num_pwr_levels = arvif->reg_tpc_info.num_pwr_levels; 8145 } else { 8146 num_pwr_levels = 8147 ath11k_mac_get_num_pwr_levels(&bss_conf->chanreq.oper); 8148 } 8149 8150 for (pwr_lvl_idx = 0; pwr_lvl_idx < num_pwr_levels; pwr_lvl_idx++) { 8151 /* STA received TPE IE*/ 8152 if (is_tpe_present) { 8153 /* local power is PSD power*/ 8154 if (chan->flags & IEEE80211_CHAN_PSD) { 8155 /* Connecting AP is psd power */ 8156 if (reg_tpc_info->is_psd_power) { 8157 is_psd_power = true; 8158 ath11k_mac_get_psd_channel(ar, 20, 8159 &start_freq, 8160 ¢er_freq, 8161 pwr_lvl_idx, 8162 &temp_chan, 8163 &tx_power); 8164 psd_power = temp_chan->psd; 8165 eirp_power = tx_power; 8166 max_tx_power[pwr_lvl_idx] = 8167 min_t(s8, 8168 psd_power, 8169 reg_tpc_info->tpe[pwr_lvl_idx]); 8170 /* Connecting AP is not psd power */ 8171 } else { 8172 ath11k_mac_get_eirp_power(ar, 8173 &start_freq, 8174 ¢er_freq, 8175 pwr_lvl_idx, 8176 &temp_chan, 8177 &ctx->def, 8178 &tx_power); 8179 psd_power = temp_chan->psd; 8180 /* convert psd power to EIRP power based 8181 * on channel width 8182 */ 8183 tx_power = 8184 min_t(s8, tx_power, 8185 psd_power + 13 + pwr_lvl_idx * 3); 8186 max_tx_power[pwr_lvl_idx] = 8187 min_t(s8, 8188 tx_power, 8189 reg_tpc_info->tpe[pwr_lvl_idx]); 8190 } 8191 /* local power is not PSD power */ 8192 } else { 8193 /* Connecting AP is psd power */ 8194 if (reg_tpc_info->is_psd_power) { 8195 is_psd_power = true; 8196 ath11k_mac_get_psd_channel(ar, 20, 8197 &start_freq, 8198 ¢er_freq, 8199 pwr_lvl_idx, 8200 &temp_chan, 8201 &tx_power); 8202 eirp_power = tx_power; 8203 max_tx_power[pwr_lvl_idx] = 8204 reg_tpc_info->tpe[pwr_lvl_idx]; 8205 /* Connecting AP is not psd power */ 8206 } else { 8207 ath11k_mac_get_eirp_power(ar, 8208 &start_freq, 8209 ¢er_freq, 8210 pwr_lvl_idx, 8211 &temp_chan, 8212 &ctx->def, 8213 &tx_power); 8214 max_tx_power[pwr_lvl_idx] = 8215 min_t(s8, 8216 tx_power, 8217 reg_tpc_info->tpe[pwr_lvl_idx]); 8218 } 8219 } 8220 /* STA not received TPE IE */ 8221 } else { 8222 /* local power is PSD power*/ 8223 if (chan->flags & IEEE80211_CHAN_PSD) { 8224 is_psd_power = true; 8225 ath11k_mac_get_psd_channel(ar, 20, 8226 &start_freq, 8227 ¢er_freq, 8228 pwr_lvl_idx, 8229 &temp_chan, 8230 &tx_power); 8231 psd_power = temp_chan->psd; 8232 eirp_power = tx_power; 8233 max_tx_power[pwr_lvl_idx] = psd_power; 8234 } else { 8235 ath11k_mac_get_eirp_power(ar, 8236 &start_freq, 8237 ¢er_freq, 8238 pwr_lvl_idx, 8239 &temp_chan, 8240 &ctx->def, 8241 &tx_power); 8242 max_tx_power[pwr_lvl_idx] = tx_power; 8243 } 8244 } 8245 8246 if (is_psd_power) { 8247 /* If AP local power constraint is present */ 8248 if (pwr_reduction) 8249 eirp_power = eirp_power - pwr_reduction; 8250 8251 /* If firmware updated max tx power is non zero, then take 8252 * the min of firmware updated ap tx power 8253 * and max power derived from above mentioned parameters. 8254 */ 8255 ath11k_dbg(ab, ATH11K_DBG_MAC, 8256 "eirp power : %d firmware report power : %d\n", 8257 eirp_power, ar->max_allowed_tx_power); 8258 /* Firmware reports lower max_allowed_tx_power during vdev 8259 * start response. In case of 6 GHz, firmware is not aware 8260 * of EIRP power unless driver sets EIRP power through WMI 8261 * TPC command. So radio which does not support idle power 8262 * save can set maximum calculated EIRP power directly to 8263 * firmware through TPC command without min comparison with 8264 * vdev start response's max_allowed_tx_power. 8265 */ 8266 if (ar->max_allowed_tx_power && ab->hw_params.idle_ps) 8267 eirp_power = min_t(s8, 8268 eirp_power, 8269 ar->max_allowed_tx_power); 8270 } else { 8271 /* If AP local power constraint is present */ 8272 if (pwr_reduction) 8273 max_tx_power[pwr_lvl_idx] = 8274 max_tx_power[pwr_lvl_idx] - pwr_reduction; 8275 /* If firmware updated max tx power is non zero, then take 8276 * the min of firmware updated ap tx power 8277 * and max power derived from above mentioned parameters. 8278 */ 8279 if (ar->max_allowed_tx_power && ab->hw_params.idle_ps) 8280 max_tx_power[pwr_lvl_idx] = 8281 min_t(s8, 8282 max_tx_power[pwr_lvl_idx], 8283 ar->max_allowed_tx_power); 8284 } 8285 reg_tpc_info->chan_power_info[pwr_lvl_idx].chan_cfreq = center_freq; 8286 reg_tpc_info->chan_power_info[pwr_lvl_idx].tx_power = 8287 max_tx_power[pwr_lvl_idx]; 8288 } 8289 8290 reg_tpc_info->num_pwr_levels = num_pwr_levels; 8291 reg_tpc_info->is_psd_power = is_psd_power; 8292 reg_tpc_info->eirp_power = eirp_power; 8293 reg_tpc_info->ap_power_type = 8294 ath11k_reg_ap_pwr_convert(vif->bss_conf.power_type); 8295} 8296 8297static void ath11k_mac_parse_tx_pwr_env(struct ath11k *ar, 8298 struct ieee80211_vif *vif, 8299 struct ieee80211_chanctx_conf *ctx) 8300{ 8301 struct ath11k_base *ab = ar->ab; 8302 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 8303 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 8304 struct ieee80211_parsed_tpe_eirp *non_psd = NULL; 8305 struct ieee80211_parsed_tpe_psd *psd = NULL; 8306 enum wmi_reg_6ghz_client_type client_type; 8307 struct cur_regulatory_info *reg_info; 8308 u8 local_tpe_count, reg_tpe_count; 8309 bool use_local_tpe; 8310 int i; 8311 8312 reg_info = &ab->reg_info_store[ar->pdev_idx]; 8313 client_type = reg_info->client_type; 8314 8315 local_tpe_count = 8316 bss_conf->tpe.max_local[client_type].valid + 8317 bss_conf->tpe.psd_local[client_type].valid; 8318 reg_tpe_count = 8319 bss_conf->tpe.max_reg_client[client_type].valid + 8320 bss_conf->tpe.psd_reg_client[client_type].valid; 8321 8322 if (!reg_tpe_count && !local_tpe_count) { 8323 ath11k_warn(ab, 8324 "no transmit power envelope match client power type %d\n", 8325 client_type); 8326 return; 8327 } else if (!reg_tpe_count) { 8328 use_local_tpe = true; 8329 } else { 8330 use_local_tpe = false; 8331 } 8332 8333 if (use_local_tpe) { 8334 psd = &bss_conf->tpe.psd_local[client_type]; 8335 if (!psd->valid) 8336 psd = NULL; 8337 non_psd = &bss_conf->tpe.max_local[client_type]; 8338 if (!non_psd->valid) 8339 non_psd = NULL; 8340 } else { 8341 psd = &bss_conf->tpe.psd_reg_client[client_type]; 8342 if (!psd->valid) 8343 psd = NULL; 8344 non_psd = &bss_conf->tpe.max_reg_client[client_type]; 8345 if (!non_psd->valid) 8346 non_psd = NULL; 8347 } 8348 8349 if (non_psd && !psd) { 8350 arvif->reg_tpc_info.is_psd_power = false; 8351 arvif->reg_tpc_info.eirp_power = 0; 8352 8353 arvif->reg_tpc_info.num_pwr_levels = non_psd->count; 8354 8355 for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) { 8356 ath11k_dbg(ab, ATH11K_DBG_MAC, 8357 "non PSD power[%d] : %d\n", 8358 i, non_psd->power[i]); 8359 arvif->reg_tpc_info.tpe[i] = non_psd->power[i] / 2; 8360 } 8361 } 8362 8363 if (psd) { 8364 arvif->reg_tpc_info.is_psd_power = true; 8365 arvif->reg_tpc_info.num_pwr_levels = psd->count; 8366 8367 for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) { 8368 ath11k_dbg(ab, ATH11K_DBG_MAC, 8369 "TPE PSD power[%d] : %d\n", 8370 i, psd->power[i]); 8371 arvif->reg_tpc_info.tpe[i] = psd->power[i] / 2; 8372 } 8373 } 8374} 8375 8376static int 8377ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, 8378 struct ieee80211_vif *vif, 8379 struct ieee80211_bss_conf *link_conf, 8380 struct ieee80211_chanctx_conf *ctx) 8381{ 8382 struct ath11k *ar = hw->priv; 8383 struct ath11k_base *ab = ar->ab; 8384 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 8385 int ret; 8386 8387 mutex_lock(&ar->conf_mutex); 8388 8389 ath11k_dbg(ab, ATH11K_DBG_MAC, 8390 "chanctx assign ptr %p vdev_id %i\n", 8391 ctx, arvif->vdev_id); 8392 8393 if (ath11k_wmi_supports_6ghz_cc_ext(ar) && 8394 ctx->def.chan->band == NL80211_BAND_6GHZ && 8395 arvif->vdev_type == WMI_VDEV_TYPE_STA) { 8396 arvif->chanctx = *ctx; 8397 ath11k_mac_parse_tx_pwr_env(ar, vif, ctx); 8398 } 8399 8400 /* for QCA6390 bss peer must be created before vdev_start */ 8401 if (ab->hw_params.vdev_start_delay && 8402 arvif->vdev_type != WMI_VDEV_TYPE_AP && 8403 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && 8404 !ath11k_peer_find_by_vdev_id(ab, arvif->vdev_id)) { 8405 memcpy(&arvif->chanctx, ctx, sizeof(*ctx)); 8406 ret = 0; 8407 goto out; 8408 } 8409 8410 if (WARN_ON(arvif->is_started)) { 8411 ret = -EBUSY; 8412 goto out; 8413 } 8414 8415 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 8416 ret = ath11k_mac_monitor_start(ar); 8417 if (ret) { 8418 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d", 8419 ret); 8420 goto out; 8421 } 8422 8423 arvif->is_started = true; 8424 goto out; 8425 } 8426 8427 if (!arvif->is_started) { 8428 ret = ath11k_mac_vdev_start(arvif, ctx); 8429 if (ret) { 8430 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n", 8431 arvif->vdev_id, vif->addr, 8432 ctx->def.chan->center_freq, ret); 8433 goto out; 8434 } 8435 8436 arvif->is_started = true; 8437 } 8438 8439 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && 8440 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) { 8441 ret = ath11k_mac_monitor_start(ar); 8442 if (ret) { 8443 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d", 8444 ret); 8445 goto out; 8446 } 8447 } 8448 8449 /* TODO: Setup ps and cts/rts protection */ 8450 8451 ret = 0; 8452 8453out: 8454 mutex_unlock(&ar->conf_mutex); 8455 8456 return ret; 8457} 8458 8459static void 8460ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, 8461 struct ieee80211_vif *vif, 8462 struct ieee80211_bss_conf *link_conf, 8463 struct ieee80211_chanctx_conf *ctx) 8464{ 8465 struct ath11k *ar = hw->priv; 8466 struct ath11k_base *ab = ar->ab; 8467 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 8468 struct ath11k_peer *peer; 8469 int ret; 8470 8471 mutex_lock(&ar->conf_mutex); 8472 8473 ath11k_dbg(ab, ATH11K_DBG_MAC, 8474 "chanctx unassign ptr %p vdev_id %i\n", 8475 ctx, arvif->vdev_id); 8476 8477 if (ab->hw_params.vdev_start_delay && 8478 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 8479 spin_lock_bh(&ab->base_lock); 8480 peer = ath11k_peer_find_by_addr(ab, ar->mac_addr); 8481 spin_unlock_bh(&ab->base_lock); 8482 if (peer) 8483 ath11k_peer_delete(ar, arvif->vdev_id, ar->mac_addr); 8484 } 8485 8486 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 8487 ret = ath11k_mac_monitor_stop(ar); 8488 if (ret) { 8489 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d", 8490 ret); 8491 mutex_unlock(&ar->conf_mutex); 8492 return; 8493 } 8494 8495 arvif->is_started = false; 8496 mutex_unlock(&ar->conf_mutex); 8497 return; 8498 } 8499 8500 if (arvif->is_started) { 8501 ret = ath11k_mac_vdev_stop(arvif); 8502 if (ret) 8503 ath11k_warn(ab, "failed to stop vdev %i: %d\n", 8504 arvif->vdev_id, ret); 8505 8506 arvif->is_started = false; 8507 } 8508 8509 if (ab->hw_params.vdev_start_delay && 8510 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) 8511 ath11k_wmi_vdev_down(ar, arvif->vdev_id); 8512 8513 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && 8514 ar->num_started_vdevs == 1 && 8515 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) { 8516 ret = ath11k_mac_monitor_stop(ar); 8517 if (ret) 8518 /* continue even if there's an error */ 8519 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d", 8520 ret); 8521 } 8522 8523 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 8524 ath11k_mac_11d_scan_start(ar, arvif->vdev_id); 8525 8526 mutex_unlock(&ar->conf_mutex); 8527} 8528 8529static int 8530ath11k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw, 8531 struct ieee80211_vif_chanctx_switch *vifs, 8532 int n_vifs, 8533 enum ieee80211_chanctx_switch_mode mode) 8534{ 8535 struct ath11k *ar = hw->priv; 8536 8537 mutex_lock(&ar->conf_mutex); 8538 8539 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 8540 "chanctx switch n_vifs %d mode %d\n", 8541 n_vifs, mode); 8542 ath11k_mac_update_vif_chan(ar, vifs, n_vifs); 8543 8544 mutex_unlock(&ar->conf_mutex); 8545 8546 return 0; 8547} 8548 8549static int 8550ath11k_set_vdev_param_to_all_vifs(struct ath11k *ar, int param, u32 value) 8551{ 8552 struct ath11k_vif *arvif; 8553 int ret = 0; 8554 8555 mutex_lock(&ar->conf_mutex); 8556 list_for_each_entry(arvif, &ar->arvifs, list) { 8557 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting mac vdev %d param %d value %d\n", 8558 param, arvif->vdev_id, value); 8559 8560 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8561 param, value); 8562 if (ret) { 8563 ath11k_warn(ar->ab, "failed to set param %d for vdev %d: %d\n", 8564 param, arvif->vdev_id, ret); 8565 break; 8566 } 8567 } 8568 mutex_unlock(&ar->conf_mutex); 8569 return ret; 8570} 8571 8572/* mac80211 stores device specific RTS/Fragmentation threshold value, 8573 * this is set interface specific to firmware from ath11k driver 8574 */ 8575static int ath11k_mac_op_set_rts_threshold(struct ieee80211_hw *hw, 8576 int radio_idx, u32 value) 8577{ 8578 struct ath11k *ar = hw->priv; 8579 int param_id = WMI_VDEV_PARAM_RTS_THRESHOLD; 8580 8581 return ath11k_set_vdev_param_to_all_vifs(ar, param_id, value); 8582} 8583 8584static int ath11k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, 8585 int radio_idx, u32 value) 8586{ 8587 /* Even though there's a WMI vdev param for fragmentation threshold no 8588 * known firmware actually implements it. Moreover it is not possible to 8589 * rely frame fragmentation to mac80211 because firmware clears the 8590 * "more fragments" bit in frame control making it impossible for remote 8591 * devices to reassemble frames. 8592 * 8593 * Hence implement a dummy callback just to say fragmentation isn't 8594 * supported. This effectively prevents mac80211 from doing frame 8595 * fragmentation in software. 8596 */ 8597 return -EOPNOTSUPP; 8598} 8599 8600static int ath11k_mac_flush_tx_complete(struct ath11k *ar) 8601{ 8602 long time_left; 8603 int ret = 0; 8604 8605 time_left = wait_event_timeout(ar->dp.tx_empty_waitq, 8606 (atomic_read(&ar->dp.num_tx_pending) == 0), 8607 ATH11K_FLUSH_TIMEOUT); 8608 if (time_left == 0) { 8609 ath11k_warn(ar->ab, "failed to flush transmit queue, data pkts pending %d\n", 8610 atomic_read(&ar->dp.num_tx_pending)); 8611 ret = -ETIMEDOUT; 8612 } 8613 8614 time_left = wait_event_timeout(ar->txmgmt_empty_waitq, 8615 (atomic_read(&ar->num_pending_mgmt_tx) == 0), 8616 ATH11K_FLUSH_TIMEOUT); 8617 if (time_left == 0) { 8618 ath11k_warn(ar->ab, "failed to flush mgmt transmit queue, mgmt pkts pending %d\n", 8619 atomic_read(&ar->num_pending_mgmt_tx)); 8620 ret = -ETIMEDOUT; 8621 } 8622 8623 return ret; 8624} 8625 8626int ath11k_mac_wait_tx_complete(struct ath11k *ar) 8627{ 8628 ath11k_mac_drain_tx(ar); 8629 return ath11k_mac_flush_tx_complete(ar); 8630} 8631 8632static void ath11k_mac_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 8633 u32 queues, bool drop) 8634{ 8635 struct ath11k *ar = hw->priv; 8636 8637 if (drop) 8638 return; 8639 8640 ath11k_mac_flush_tx_complete(ar); 8641} 8642 8643static bool 8644ath11k_mac_has_single_legacy_rate(struct ath11k *ar, 8645 enum nl80211_band band, 8646 const struct cfg80211_bitrate_mask *mask) 8647{ 8648 int num_rates = 0; 8649 8650 num_rates = hweight32(mask->control[band].legacy); 8651 8652 if (ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask)) 8653 return false; 8654 8655 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask)) 8656 return false; 8657 8658 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask)) 8659 return false; 8660 8661 return num_rates == 1; 8662} 8663 8664static __le16 8665ath11k_mac_get_tx_mcs_map(const struct ieee80211_sta_he_cap *he_cap) 8666{ 8667 if (he_cap->he_cap_elem.phy_cap_info[0] & 8668 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 8669 return he_cap->he_mcs_nss_supp.tx_mcs_80p80; 8670 8671 if (he_cap->he_cap_elem.phy_cap_info[0] & 8672 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 8673 return he_cap->he_mcs_nss_supp.tx_mcs_160; 8674 8675 return he_cap->he_mcs_nss_supp.tx_mcs_80; 8676} 8677 8678static bool 8679ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar, 8680 struct ath11k_vif *arvif, 8681 enum nl80211_band band, 8682 const struct cfg80211_bitrate_mask *mask, 8683 int *nss) 8684{ 8685 struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; 8686 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); 8687 const struct ieee80211_sta_he_cap *he_cap; 8688 u16 he_mcs_map = 0; 8689 u8 ht_nss_mask = 0; 8690 u8 vht_nss_mask = 0; 8691 u8 he_nss_mask = 0; 8692 int i; 8693 8694 /* No need to consider legacy here. Basic rates are always present 8695 * in bitrate mask 8696 */ 8697 8698 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { 8699 if (mask->control[band].ht_mcs[i] == 0) 8700 continue; 8701 else if (mask->control[band].ht_mcs[i] == 8702 sband->ht_cap.mcs.rx_mask[i]) 8703 ht_nss_mask |= BIT(i); 8704 else 8705 return false; 8706 } 8707 8708 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 8709 if (mask->control[band].vht_mcs[i] == 0) 8710 continue; 8711 else if (mask->control[band].vht_mcs[i] == 8712 ath11k_mac_get_max_vht_mcs_map(vht_mcs_map, i)) 8713 vht_nss_mask |= BIT(i); 8714 else 8715 return false; 8716 } 8717 8718 he_cap = ieee80211_get_he_iftype_cap_vif(sband, arvif->vif); 8719 if (!he_cap) 8720 return false; 8721 8722 he_mcs_map = le16_to_cpu(ath11k_mac_get_tx_mcs_map(he_cap)); 8723 8724 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) { 8725 if (mask->control[band].he_mcs[i] == 0) 8726 continue; 8727 8728 if (mask->control[band].he_mcs[i] == 8729 ath11k_mac_get_max_he_mcs_map(he_mcs_map, i)) 8730 he_nss_mask |= BIT(i); 8731 else 8732 return false; 8733 } 8734 8735 if (ht_nss_mask != vht_nss_mask || ht_nss_mask != he_nss_mask) 8736 return false; 8737 8738 if (ht_nss_mask == 0) 8739 return false; 8740 8741 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask) 8742 return false; 8743 8744 *nss = fls(ht_nss_mask); 8745 8746 return true; 8747} 8748 8749static int 8750ath11k_mac_get_single_legacy_rate(struct ath11k *ar, 8751 enum nl80211_band band, 8752 const struct cfg80211_bitrate_mask *mask, 8753 u32 *rate, u8 *nss) 8754{ 8755 int rate_idx; 8756 u16 bitrate; 8757 u8 preamble; 8758 u8 hw_rate; 8759 8760 if (hweight32(mask->control[band].legacy) != 1) 8761 return -EINVAL; 8762 8763 rate_idx = ffs(mask->control[band].legacy) - 1; 8764 8765 if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) 8766 rate_idx += ATH11K_MAC_FIRST_OFDM_RATE_IDX; 8767 8768 hw_rate = ath11k_legacy_rates[rate_idx].hw_value; 8769 bitrate = ath11k_legacy_rates[rate_idx].bitrate; 8770 8771 if (ath11k_mac_bitrate_is_cck(bitrate)) 8772 preamble = WMI_RATE_PREAMBLE_CCK; 8773 else 8774 preamble = WMI_RATE_PREAMBLE_OFDM; 8775 8776 *nss = 1; 8777 *rate = ATH11K_HW_RATE_CODE(hw_rate, 0, preamble); 8778 8779 return 0; 8780} 8781 8782static int 8783ath11k_mac_set_fixed_rate_gi_ltf(struct ath11k_vif *arvif, u8 he_gi, u8 he_ltf) 8784{ 8785 struct ath11k *ar = arvif->ar; 8786 int ret; 8787 8788 /* 0.8 = 0, 1.6 = 2 and 3.2 = 3. */ 8789 if (he_gi && he_gi != 0xFF) 8790 he_gi += 1; 8791 8792 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8793 WMI_VDEV_PARAM_SGI, he_gi); 8794 if (ret) { 8795 ath11k_warn(ar->ab, "failed to set he gi %d: %d\n", 8796 he_gi, ret); 8797 return ret; 8798 } 8799 /* start from 1 */ 8800 if (he_ltf != 0xFF) 8801 he_ltf += 1; 8802 8803 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8804 WMI_VDEV_PARAM_HE_LTF, he_ltf); 8805 if (ret) { 8806 ath11k_warn(ar->ab, "failed to set he ltf %d: %d\n", 8807 he_ltf, ret); 8808 return ret; 8809 } 8810 8811 return 0; 8812} 8813 8814static int 8815ath11k_mac_set_auto_rate_gi_ltf(struct ath11k_vif *arvif, u16 he_gi, u8 he_ltf) 8816{ 8817 struct ath11k *ar = arvif->ar; 8818 int ret; 8819 u32 he_ar_gi_ltf; 8820 8821 if (he_gi != 0xFF) { 8822 switch (he_gi) { 8823 case NL80211_RATE_INFO_HE_GI_0_8: 8824 he_gi = WMI_AUTORATE_800NS_GI; 8825 break; 8826 case NL80211_RATE_INFO_HE_GI_1_6: 8827 he_gi = WMI_AUTORATE_1600NS_GI; 8828 break; 8829 case NL80211_RATE_INFO_HE_GI_3_2: 8830 he_gi = WMI_AUTORATE_3200NS_GI; 8831 break; 8832 default: 8833 ath11k_warn(ar->ab, "invalid he gi: %d\n", he_gi); 8834 return -EINVAL; 8835 } 8836 } 8837 8838 if (he_ltf != 0xFF) { 8839 switch (he_ltf) { 8840 case NL80211_RATE_INFO_HE_1XLTF: 8841 he_ltf = WMI_HE_AUTORATE_LTF_1X; 8842 break; 8843 case NL80211_RATE_INFO_HE_2XLTF: 8844 he_ltf = WMI_HE_AUTORATE_LTF_2X; 8845 break; 8846 case NL80211_RATE_INFO_HE_4XLTF: 8847 he_ltf = WMI_HE_AUTORATE_LTF_4X; 8848 break; 8849 default: 8850 ath11k_warn(ar->ab, "invalid he ltf: %d\n", he_ltf); 8851 return -EINVAL; 8852 } 8853 } 8854 8855 he_ar_gi_ltf = he_gi | he_ltf; 8856 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8857 WMI_VDEV_PARAM_AUTORATE_MISC_CFG, 8858 he_ar_gi_ltf); 8859 if (ret) { 8860 ath11k_warn(ar->ab, 8861 "failed to set he autorate gi %u ltf %u: %d\n", 8862 he_gi, he_ltf, ret); 8863 return ret; 8864 } 8865 8866 return 0; 8867} 8868 8869static int ath11k_mac_set_rate_params(struct ath11k_vif *arvif, 8870 u32 rate, u8 nss, u8 sgi, u8 ldpc, 8871 u8 he_gi, u8 he_ltf, bool he_fixed_rate) 8872{ 8873 struct ath11k *ar = arvif->ar; 8874 u32 vdev_param; 8875 int ret; 8876 8877 lockdep_assert_held(&ar->conf_mutex); 8878 8879 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 8880 "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", 8881 arvif->vdev_id, rate, nss, sgi, ldpc, he_gi, 8882 he_ltf, he_fixed_rate); 8883 8884 if (!arvif->vif->bss_conf.he_support) { 8885 vdev_param = WMI_VDEV_PARAM_FIXED_RATE; 8886 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8887 vdev_param, rate); 8888 if (ret) { 8889 ath11k_warn(ar->ab, "failed to set fixed rate param 0x%02x: %d\n", 8890 rate, ret); 8891 return ret; 8892 } 8893 } 8894 8895 vdev_param = WMI_VDEV_PARAM_NSS; 8896 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8897 vdev_param, nss); 8898 if (ret) { 8899 ath11k_warn(ar->ab, "failed to set nss param %d: %d\n", 8900 nss, ret); 8901 return ret; 8902 } 8903 8904 vdev_param = WMI_VDEV_PARAM_LDPC; 8905 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8906 vdev_param, ldpc); 8907 if (ret) { 8908 ath11k_warn(ar->ab, "failed to set ldpc param %d: %d\n", 8909 ldpc, ret); 8910 return ret; 8911 } 8912 8913 if (arvif->vif->bss_conf.he_support) { 8914 if (he_fixed_rate) { 8915 ret = ath11k_mac_set_fixed_rate_gi_ltf(arvif, he_gi, 8916 he_ltf); 8917 if (ret) { 8918 ath11k_warn(ar->ab, "failed to set fixed rate gi ltf: %d\n", 8919 ret); 8920 return ret; 8921 } 8922 } else { 8923 ret = ath11k_mac_set_auto_rate_gi_ltf(arvif, he_gi, 8924 he_ltf); 8925 if (ret) { 8926 ath11k_warn(ar->ab, "failed to set auto rate gi ltf: %d\n", 8927 ret); 8928 return ret; 8929 } 8930 } 8931 } else { 8932 vdev_param = WMI_VDEV_PARAM_SGI; 8933 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 8934 vdev_param, sgi); 8935 if (ret) { 8936 ath11k_warn(ar->ab, "failed to set sgi param %d: %d\n", 8937 sgi, ret); 8938 return ret; 8939 } 8940 } 8941 8942 return 0; 8943} 8944 8945static bool 8946ath11k_mac_vht_mcs_range_present(struct ath11k *ar, 8947 enum nl80211_band band, 8948 const struct cfg80211_bitrate_mask *mask) 8949{ 8950 int i; 8951 u16 vht_mcs; 8952 8953 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { 8954 vht_mcs = mask->control[band].vht_mcs[i]; 8955 8956 switch (vht_mcs) { 8957 case 0: 8958 case BIT(8) - 1: 8959 case BIT(9) - 1: 8960 case BIT(10) - 1: 8961 break; 8962 default: 8963 return false; 8964 } 8965 } 8966 8967 return true; 8968} 8969 8970static bool 8971ath11k_mac_he_mcs_range_present(struct ath11k *ar, 8972 enum nl80211_band band, 8973 const struct cfg80211_bitrate_mask *mask) 8974{ 8975 int i; 8976 u16 he_mcs; 8977 8978 for (i = 0; i < NL80211_HE_NSS_MAX; i++) { 8979 he_mcs = mask->control[band].he_mcs[i]; 8980 8981 switch (he_mcs) { 8982 case 0: 8983 case BIT(8) - 1: 8984 case BIT(10) - 1: 8985 case BIT(12) - 1: 8986 break; 8987 default: 8988 return false; 8989 } 8990 } 8991 8992 return true; 8993} 8994 8995static void ath11k_mac_set_bitrate_mask_iter(void *data, 8996 struct ieee80211_sta *sta) 8997{ 8998 struct ath11k_vif *arvif = data; 8999 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); 9000 struct ath11k *ar = arvif->ar; 9001 9002 spin_lock_bh(&ar->data_lock); 9003 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED; 9004 spin_unlock_bh(&ar->data_lock); 9005 9006 ieee80211_queue_work(ar->hw, &arsta->update_wk); 9007} 9008 9009static void ath11k_mac_disable_peer_fixed_rate(void *data, 9010 struct ieee80211_sta *sta) 9011{ 9012 struct ath11k_vif *arvif = data; 9013 struct ath11k *ar = arvif->ar; 9014 int ret; 9015 9016 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 9017 arvif->vdev_id, 9018 WMI_PEER_PARAM_FIXED_RATE, 9019 WMI_FIXED_RATE_NONE); 9020 if (ret) 9021 ath11k_warn(ar->ab, 9022 "failed to disable peer fixed rate for STA %pM ret %d\n", 9023 sta->addr, ret); 9024} 9025 9026static bool 9027ath11k_mac_validate_vht_he_fixed_rate_settings(struct ath11k *ar, enum nl80211_band band, 9028 const struct cfg80211_bitrate_mask *mask) 9029{ 9030 bool he_fixed_rate = false, vht_fixed_rate = false; 9031 struct ath11k_peer *peer; 9032 const u16 *vht_mcs_mask, *he_mcs_mask; 9033 struct ieee80211_link_sta *deflink; 9034 u8 vht_nss, he_nss; 9035 bool ret = true; 9036 9037 vht_mcs_mask = mask->control[band].vht_mcs; 9038 he_mcs_mask = mask->control[band].he_mcs; 9039 9040 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask) == 1) 9041 vht_fixed_rate = true; 9042 9043 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask) == 1) 9044 he_fixed_rate = true; 9045 9046 if (!vht_fixed_rate && !he_fixed_rate) 9047 return true; 9048 9049 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask); 9050 he_nss = ath11k_mac_max_he_nss(he_mcs_mask); 9051 9052 rcu_read_lock(); 9053 spin_lock_bh(&ar->ab->base_lock); 9054 list_for_each_entry(peer, &ar->ab->peers, list) { 9055 if (peer->sta) { 9056 deflink = &peer->sta->deflink; 9057 9058 if (vht_fixed_rate && (!deflink->vht_cap.vht_supported || 9059 deflink->rx_nss < vht_nss)) { 9060 ret = false; 9061 goto out; 9062 } 9063 9064 if (he_fixed_rate && (!deflink->he_cap.has_he || 9065 deflink->rx_nss < he_nss)) { 9066 ret = false; 9067 goto out; 9068 } 9069 } 9070 } 9071 9072out: 9073 spin_unlock_bh(&ar->ab->base_lock); 9074 rcu_read_unlock(); 9075 return ret; 9076} 9077 9078static int 9079ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, 9080 struct ieee80211_vif *vif, 9081 const struct cfg80211_bitrate_mask *mask) 9082{ 9083 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 9084 struct cfg80211_chan_def def; 9085 struct ath11k_pdev_cap *cap; 9086 struct ath11k *ar = arvif->ar; 9087 enum nl80211_band band; 9088 const u8 *ht_mcs_mask; 9089 const u16 *vht_mcs_mask; 9090 const u16 *he_mcs_mask; 9091 u8 he_ltf = 0; 9092 u8 he_gi = 0; 9093 u32 rate; 9094 u8 nss; 9095 u8 sgi; 9096 u8 ldpc; 9097 int single_nss; 9098 int ret; 9099 int num_rates; 9100 bool he_fixed_rate = false; 9101 9102 if (ath11k_mac_vif_chan(vif, &def)) 9103 return -EPERM; 9104 9105 band = def.chan->band; 9106 cap = &ar->pdev->cap; 9107 ht_mcs_mask = mask->control[band].ht_mcs; 9108 vht_mcs_mask = mask->control[band].vht_mcs; 9109 he_mcs_mask = mask->control[band].he_mcs; 9110 ldpc = !!(cap->band[band].ht_cap_info & WMI_HT_CAP_TX_LDPC); 9111 9112 sgi = mask->control[band].gi; 9113 if (sgi == NL80211_TXRATE_FORCE_LGI) 9114 return -EINVAL; 9115 9116 he_gi = mask->control[band].he_gi; 9117 he_ltf = mask->control[band].he_ltf; 9118 9119 /* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it 9120 * requires passing at least one of used basic rates along with them. 9121 * Fixed rate setting across different preambles(legacy, HT, VHT) is 9122 * not supported by the FW. Hence use of FIXED_RATE vdev param is not 9123 * suitable for setting single HT/VHT rates. 9124 * But, there could be a single basic rate passed from userspace which 9125 * can be done through the FIXED_RATE param. 9126 */ 9127 if (ath11k_mac_has_single_legacy_rate(ar, band, mask)) { 9128 ret = ath11k_mac_get_single_legacy_rate(ar, band, mask, &rate, 9129 &nss); 9130 if (ret) { 9131 ath11k_warn(ar->ab, "failed to get single legacy rate for vdev %i: %d\n", 9132 arvif->vdev_id, ret); 9133 return ret; 9134 } 9135 ieee80211_iterate_stations_mtx(ar->hw, 9136 ath11k_mac_disable_peer_fixed_rate, 9137 arvif); 9138 } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, arvif, band, mask, 9139 &single_nss)) { 9140 rate = WMI_FIXED_RATE_NONE; 9141 nss = single_nss; 9142 mutex_lock(&ar->conf_mutex); 9143 arvif->bitrate_mask = *mask; 9144 ieee80211_iterate_stations_atomic(ar->hw, 9145 ath11k_mac_set_bitrate_mask_iter, 9146 arvif); 9147 mutex_unlock(&ar->conf_mutex); 9148 } else { 9149 rate = WMI_FIXED_RATE_NONE; 9150 9151 if (!ath11k_mac_validate_vht_he_fixed_rate_settings(ar, band, mask)) 9152 ath11k_warn(ar->ab, 9153 "could not update fixed rate settings to all peers due to mcs/nss incompatibility\n"); 9154 nss = min_t(u32, ar->num_tx_chains, 9155 ath11k_mac_max_nss(ht_mcs_mask, vht_mcs_mask, he_mcs_mask)); 9156 9157 /* If multiple rates across different preambles are given 9158 * we can reconfigure this info with all peers using PEER_ASSOC 9159 * command with the below exception cases. 9160 * - Single VHT Rate : peer_assoc command accommodates only MCS 9161 * range values i.e 0-7, 0-8, 0-9 for VHT. Though mac80211 9162 * mandates passing basic rates along with HT/VHT rates, FW 9163 * doesn't allow switching from VHT to Legacy. Hence instead of 9164 * setting legacy and VHT rates using RATEMASK_CMD vdev cmd, 9165 * we could set this VHT rate as peer fixed rate param, which 9166 * will override FIXED rate and FW rate control algorithm. 9167 * If single VHT rate is passed along with HT rates, we select 9168 * the VHT rate as fixed rate for vht peers. 9169 * - Multiple VHT Rates : When Multiple VHT rates are given,this 9170 * can be set using RATEMASK CMD which uses FW rate-ctl alg. 9171 * TODO: Setting multiple VHT MCS and replacing peer_assoc with 9172 * RATEMASK_CMDID can cover all use cases of setting rates 9173 * across multiple preambles and rates within same type. 9174 * But requires more validation of the command at this point. 9175 */ 9176 9177 num_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, 9178 mask); 9179 9180 if (!ath11k_mac_vht_mcs_range_present(ar, band, mask) && 9181 num_rates > 1) { 9182 /* TODO: Handle multiple VHT MCS values setting using 9183 * RATEMASK CMD 9184 */ 9185 ath11k_warn(ar->ab, 9186 "setting %d mcs values in bitrate mask not supported\n", 9187 num_rates); 9188 return -EINVAL; 9189 } 9190 9191 num_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, 9192 mask); 9193 if (num_rates == 1) 9194 he_fixed_rate = true; 9195 9196 if (!ath11k_mac_he_mcs_range_present(ar, band, mask) && 9197 num_rates > 1) { 9198 ath11k_warn(ar->ab, 9199 "Setting more than one HE MCS Value in bitrate mask not supported\n"); 9200 return -EINVAL; 9201 } 9202 9203 mutex_lock(&ar->conf_mutex); 9204 ieee80211_iterate_stations_mtx(ar->hw, 9205 ath11k_mac_disable_peer_fixed_rate, 9206 arvif); 9207 9208 arvif->bitrate_mask = *mask; 9209 ieee80211_iterate_stations_atomic(ar->hw, 9210 ath11k_mac_set_bitrate_mask_iter, 9211 arvif); 9212 9213 mutex_unlock(&ar->conf_mutex); 9214 } 9215 9216 mutex_lock(&ar->conf_mutex); 9217 9218 ret = ath11k_mac_set_rate_params(arvif, rate, nss, sgi, ldpc, he_gi, 9219 he_ltf, he_fixed_rate); 9220 if (ret) { 9221 ath11k_warn(ar->ab, "failed to set rate params on vdev %i: %d\n", 9222 arvif->vdev_id, ret); 9223 } 9224 9225 mutex_unlock(&ar->conf_mutex); 9226 9227 return ret; 9228} 9229 9230static void 9231ath11k_mac_op_reconfig_complete(struct ieee80211_hw *hw, 9232 enum ieee80211_reconfig_type reconfig_type) 9233{ 9234 struct ath11k *ar = hw->priv; 9235 struct ath11k_base *ab = ar->ab; 9236 int recovery_count; 9237 struct ath11k_vif *arvif; 9238 9239 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) 9240 return; 9241 9242 mutex_lock(&ar->conf_mutex); 9243 9244 if (ar->state == ATH11K_STATE_RESTARTED) { 9245 ath11k_warn(ar->ab, "pdev %d successfully recovered\n", 9246 ar->pdev->pdev_id); 9247 ar->state = ATH11K_STATE_ON; 9248 ieee80211_wake_queues(ar->hw); 9249 9250 if (ar->ab->hw_params.current_cc_support && 9251 ar->alpha2[0] != 0 && ar->alpha2[1] != 0) 9252 ath11k_reg_set_cc(ar); 9253 9254 if (ab->is_reset) { 9255 recovery_count = atomic_inc_return(&ab->recovery_count); 9256 ath11k_dbg(ab, ATH11K_DBG_BOOT, 9257 "recovery count %d\n", recovery_count); 9258 /* When there are multiple radios in an SOC, 9259 * the recovery has to be done for each radio 9260 */ 9261 if (recovery_count == ab->num_radios) { 9262 atomic_dec(&ab->reset_count); 9263 complete(&ab->reset_complete); 9264 ab->is_reset = false; 9265 atomic_set(&ab->fail_cont_count, 0); 9266 ath11k_dbg(ab, ATH11K_DBG_BOOT, "reset success\n"); 9267 } 9268 } 9269 if (ar->ab->hw_params.support_fw_mac_sequence) { 9270 list_for_each_entry(arvif, &ar->arvifs, list) { 9271 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_STA) 9272 ieee80211_hw_restart_disconnect(arvif->vif); 9273 } 9274 } 9275 } 9276 9277 mutex_unlock(&ar->conf_mutex); 9278} 9279 9280static void 9281ath11k_mac_update_bss_chan_survey(struct ath11k *ar, 9282 struct ieee80211_channel *channel) 9283{ 9284 int ret; 9285 enum wmi_bss_chan_info_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ; 9286 9287 lockdep_assert_held(&ar->conf_mutex); 9288 9289 if (!test_bit(WMI_TLV_SERVICE_BSS_CHANNEL_INFO_64, ar->ab->wmi_ab.svc_map) || 9290 ar->rx_channel != channel) 9291 return; 9292 9293 if (ar->scan.state != ATH11K_SCAN_IDLE) { 9294 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 9295 "ignoring bss chan info req while scanning..\n"); 9296 return; 9297 } 9298 9299 reinit_completion(&ar->bss_survey_done); 9300 9301 ret = ath11k_wmi_pdev_bss_chan_info_request(ar, type); 9302 if (ret) { 9303 ath11k_warn(ar->ab, "failed to send pdev bss chan info request\n"); 9304 return; 9305 } 9306 9307 ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ); 9308 if (ret == 0) 9309 ath11k_warn(ar->ab, "bss channel survey timed out\n"); 9310} 9311 9312static int ath11k_mac_op_get_survey(struct ieee80211_hw *hw, int idx, 9313 struct survey_info *survey) 9314{ 9315 struct ath11k *ar = hw->priv; 9316 struct ieee80211_supported_band *sband; 9317 struct survey_info *ar_survey; 9318 int ret = 0; 9319 9320 if (idx >= ATH11K_NUM_CHANS) 9321 return -ENOENT; 9322 9323 ar_survey = &ar->survey[idx]; 9324 9325 mutex_lock(&ar->conf_mutex); 9326 9327 sband = hw->wiphy->bands[NL80211_BAND_2GHZ]; 9328 if (sband && idx >= sband->n_channels) { 9329 idx -= sband->n_channels; 9330 sband = NULL; 9331 } 9332 9333 if (!sband) 9334 sband = hw->wiphy->bands[NL80211_BAND_5GHZ]; 9335 if (sband && idx >= sband->n_channels) { 9336 idx -= sband->n_channels; 9337 sband = NULL; 9338 } 9339 9340 if (!sband) 9341 sband = hw->wiphy->bands[NL80211_BAND_6GHZ]; 9342 if (!sband || idx >= sband->n_channels) { 9343 ret = -ENOENT; 9344 goto exit; 9345 } 9346 9347 ath11k_mac_update_bss_chan_survey(ar, &sband->channels[idx]); 9348 9349 spin_lock_bh(&ar->data_lock); 9350 memcpy(survey, ar_survey, sizeof(*survey)); 9351 spin_unlock_bh(&ar->data_lock); 9352 9353 survey->channel = &sband->channels[idx]; 9354 9355 if (ar->rx_channel == survey->channel) 9356 survey->filled |= SURVEY_INFO_IN_USE; 9357 9358exit: 9359 mutex_unlock(&ar->conf_mutex); 9360 return ret; 9361} 9362 9363static void ath11k_mac_put_chain_rssi(struct station_info *sinfo, 9364 struct ath11k_sta *arsta, 9365 char *pre, 9366 bool clear) 9367{ 9368 struct ath11k *ar = arsta->arvif->ar; 9369 int i; 9370 s8 rssi; 9371 9372 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) { 9373 sinfo->chains &= ~BIT(i); 9374 rssi = arsta->chain_signal[i]; 9375 if (clear) 9376 arsta->chain_signal[i] = ATH11K_INVALID_RSSI_FULL; 9377 9378 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 9379 "sta statistics %s rssi[%d] %d\n", pre, i, rssi); 9380 9381 if (rssi != ATH11K_DEFAULT_NOISE_FLOOR && 9382 rssi != ATH11K_INVALID_RSSI_FULL && 9383 rssi != ATH11K_INVALID_RSSI_EMPTY && 9384 rssi != 0) { 9385 sinfo->chain_signal[i] = rssi; 9386 sinfo->chains |= BIT(i); 9387 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL); 9388 } 9389 } 9390} 9391 9392static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw, 9393 struct ieee80211_vif *vif, 9394 struct ieee80211_sta *sta, 9395 struct station_info *sinfo) 9396{ 9397 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); 9398 struct ath11k *ar = arsta->arvif->ar; 9399 s8 signal; 9400 bool db2dbm = test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT, 9401 ar->ab->wmi_ab.svc_map); 9402 9403 sinfo->rx_duration = arsta->rx_duration; 9404 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION); 9405 9406 sinfo->tx_duration = arsta->tx_duration; 9407 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION); 9408 9409 if (arsta->txrate.legacy || arsta->txrate.nss) { 9410 if (arsta->txrate.legacy) { 9411 sinfo->txrate.legacy = arsta->txrate.legacy; 9412 } else { 9413 sinfo->txrate.mcs = arsta->txrate.mcs; 9414 sinfo->txrate.nss = arsta->txrate.nss; 9415 sinfo->txrate.bw = arsta->txrate.bw; 9416 sinfo->txrate.he_gi = arsta->txrate.he_gi; 9417 sinfo->txrate.he_dcm = arsta->txrate.he_dcm; 9418 sinfo->txrate.he_ru_alloc = arsta->txrate.he_ru_alloc; 9419 } 9420 sinfo->txrate.flags = arsta->txrate.flags; 9421 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 9422 } 9423 9424 ath11k_mac_put_chain_rssi(sinfo, arsta, "ppdu", false); 9425 9426 mutex_lock(&ar->conf_mutex); 9427 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) && 9428 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA && 9429 ar->ab->hw_params.supports_rssi_stats && 9430 !ath11k_mac_get_fw_stats(ar, ar->pdev->pdev_id, 0, 9431 WMI_REQUEST_RSSI_PER_CHAIN_STAT)) { 9432 ath11k_mac_put_chain_rssi(sinfo, arsta, "fw stats", true); 9433 } 9434 9435 signal = arsta->rssi_comb; 9436 if (!signal && 9437 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA && 9438 ar->ab->hw_params.supports_rssi_stats && 9439 !(ath11k_mac_get_fw_stats(ar, ar->pdev->pdev_id, 0, 9440 WMI_REQUEST_VDEV_STAT))) 9441 signal = arsta->rssi_beacon; 9442 mutex_unlock(&ar->conf_mutex); 9443 9444 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 9445 "sta statistics db2dbm %u rssi comb %d rssi beacon %d\n", 9446 db2dbm, arsta->rssi_comb, arsta->rssi_beacon); 9447 9448 if (signal) { 9449 sinfo->signal = db2dbm ? signal : signal + ATH11K_DEFAULT_NOISE_FLOOR; 9450 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 9451 } 9452 9453 sinfo->signal_avg = ewma_avg_rssi_read(&arsta->avg_rssi); 9454 9455 if (!db2dbm) 9456 sinfo->signal_avg += ATH11K_DEFAULT_NOISE_FLOOR; 9457 9458 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 9459} 9460 9461#if IS_ENABLED(CONFIG_IPV6) 9462static void ath11k_generate_ns_mc_addr(struct ath11k *ar, 9463 struct ath11k_arp_ns_offload *offload) 9464{ 9465 int i; 9466 9467 for (i = 0; i < offload->ipv6_count; i++) { 9468 offload->self_ipv6_addr[i][0] = 0xff; 9469 offload->self_ipv6_addr[i][1] = 0x02; 9470 offload->self_ipv6_addr[i][11] = 0x01; 9471 offload->self_ipv6_addr[i][12] = 0xff; 9472 offload->self_ipv6_addr[i][13] = 9473 offload->ipv6_addr[i][13]; 9474 offload->self_ipv6_addr[i][14] = 9475 offload->ipv6_addr[i][14]; 9476 offload->self_ipv6_addr[i][15] = 9477 offload->ipv6_addr[i][15]; 9478 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "NS solicited addr %pI6\n", 9479 offload->self_ipv6_addr[i]); 9480 } 9481} 9482 9483static void ath11k_mac_op_ipv6_changed(struct ieee80211_hw *hw, 9484 struct ieee80211_vif *vif, 9485 struct inet6_dev *idev) 9486{ 9487 struct ath11k *ar = hw->priv; 9488 struct ath11k_arp_ns_offload *offload; 9489 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 9490 struct inet6_ifaddr *ifa6; 9491 struct ifacaddr6 *ifaca6; 9492 u32 count, scope; 9493 9494 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "op ipv6 changed\n"); 9495 9496 offload = &arvif->arp_ns_offload; 9497 count = 0; 9498 9499 /* The _ipv6_changed() is called with RCU lock already held in 9500 * atomic_notifier_call_chain(), so we don't need to call 9501 * rcu_read_lock() again here. But note that with CONFIG_PREEMPT_RT 9502 * enabled, read_lock_bh() also calls rcu_read_lock(). This is OK 9503 * because RCU read critical section is allowed to get nested. 9504 */ 9505 read_lock_bh(&idev->lock); 9506 9507 memset(offload->ipv6_addr, 0, sizeof(offload->ipv6_addr)); 9508 memset(offload->self_ipv6_addr, 0, sizeof(offload->self_ipv6_addr)); 9509 memcpy(offload->mac_addr, vif->addr, ETH_ALEN); 9510 9511 /* get unicast address */ 9512 list_for_each_entry(ifa6, &idev->addr_list, if_list) { 9513 if (count >= ATH11K_IPV6_MAX_COUNT) 9514 goto generate; 9515 9516 if (ifa6->flags & IFA_F_DADFAILED) 9517 continue; 9518 scope = ipv6_addr_src_scope(&ifa6->addr); 9519 if (scope == IPV6_ADDR_SCOPE_LINKLOCAL || 9520 scope == IPV6_ADDR_SCOPE_GLOBAL) { 9521 memcpy(offload->ipv6_addr[count], &ifa6->addr.s6_addr, 9522 sizeof(ifa6->addr.s6_addr)); 9523 offload->ipv6_type[count] = ATH11K_IPV6_UC_TYPE; 9524 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "count %d ipv6 uc %pI6 scope %d\n", 9525 count, offload->ipv6_addr[count], 9526 scope); 9527 count++; 9528 } else { 9529 ath11k_warn(ar->ab, "Unsupported ipv6 scope: %d\n", scope); 9530 } 9531 } 9532 9533 /* get anycast address */ 9534 for (ifaca6 = rcu_dereference(idev->ac_list); ifaca6; 9535 ifaca6 = rcu_dereference(ifaca6->aca_next)) { 9536 if (count >= ATH11K_IPV6_MAX_COUNT) 9537 goto generate; 9538 9539 scope = ipv6_addr_src_scope(&ifaca6->aca_addr); 9540 if (scope == IPV6_ADDR_SCOPE_LINKLOCAL || 9541 scope == IPV6_ADDR_SCOPE_GLOBAL) { 9542 memcpy(offload->ipv6_addr[count], &ifaca6->aca_addr, 9543 sizeof(ifaca6->aca_addr)); 9544 offload->ipv6_type[count] = ATH11K_IPV6_AC_TYPE; 9545 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "count %d ipv6 ac %pI6 scope %d\n", 9546 count, offload->ipv6_addr[count], 9547 scope); 9548 count++; 9549 } else { 9550 ath11k_warn(ar->ab, "Unsupported ipv scope: %d\n", scope); 9551 } 9552 } 9553 9554generate: 9555 offload->ipv6_count = count; 9556 read_unlock_bh(&idev->lock); 9557 9558 /* generate ns multicast address */ 9559 ath11k_generate_ns_mc_addr(ar, offload); 9560} 9561#endif 9562 9563static void ath11k_mac_op_set_rekey_data(struct ieee80211_hw *hw, 9564 struct ieee80211_vif *vif, 9565 struct cfg80211_gtk_rekey_data *data) 9566{ 9567 struct ath11k *ar = hw->priv; 9568 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 9569 struct ath11k_rekey_data *rekey_data = &arvif->rekey_data; 9570 9571 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "set rekey data vdev %d\n", 9572 arvif->vdev_id); 9573 9574 mutex_lock(&ar->conf_mutex); 9575 9576 memcpy(rekey_data->kck, data->kck, NL80211_KCK_LEN); 9577 memcpy(rekey_data->kek, data->kek, NL80211_KEK_LEN); 9578 9579 /* The supplicant works on big-endian, the firmware expects it on 9580 * little endian. 9581 */ 9582 rekey_data->replay_ctr = get_unaligned_be64(data->replay_ctr); 9583 9584 arvif->rekey_data.enable_offload = true; 9585 9586 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "kck", NULL, 9587 rekey_data->kck, NL80211_KCK_LEN); 9588 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "kek", NULL, 9589 rekey_data->kck, NL80211_KEK_LEN); 9590 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "replay ctr", NULL, 9591 &rekey_data->replay_ctr, sizeof(rekey_data->replay_ctr)); 9592 9593 mutex_unlock(&ar->conf_mutex); 9594} 9595 9596static int ath11k_mac_op_set_bios_sar_specs(struct ieee80211_hw *hw, 9597 const struct cfg80211_sar_specs *sar) 9598{ 9599 struct ath11k *ar = hw->priv; 9600 const struct cfg80211_sar_sub_specs *sspec; 9601 int ret, index; 9602 u8 *sar_tbl; 9603 u32 i; 9604 9605 if (!sar || sar->type != NL80211_SAR_TYPE_POWER || 9606 sar->num_sub_specs == 0) 9607 return -EINVAL; 9608 9609 mutex_lock(&ar->conf_mutex); 9610 9611 if (!test_bit(WMI_TLV_SERVICE_BIOS_SAR_SUPPORT, ar->ab->wmi_ab.svc_map) || 9612 !ar->ab->hw_params.bios_sar_capa) { 9613 ret = -EOPNOTSUPP; 9614 goto exit; 9615 } 9616 9617 ret = ath11k_wmi_pdev_set_bios_geo_table_param(ar); 9618 if (ret) { 9619 ath11k_warn(ar->ab, "failed to set geo table: %d\n", ret); 9620 goto exit; 9621 } 9622 9623 sar_tbl = kzalloc(BIOS_SAR_TABLE_LEN, GFP_KERNEL); 9624 if (!sar_tbl) { 9625 ret = -ENOMEM; 9626 goto exit; 9627 } 9628 9629 sspec = sar->sub_specs; 9630 for (i = 0; i < sar->num_sub_specs; i++) { 9631 if (sspec->freq_range_index >= (BIOS_SAR_TABLE_LEN >> 1)) { 9632 ath11k_warn(ar->ab, "Ignore bad frequency index %u, max allowed %u\n", 9633 sspec->freq_range_index, BIOS_SAR_TABLE_LEN >> 1); 9634 continue; 9635 } 9636 9637 /* chain0 and chain1 share same power setting */ 9638 sar_tbl[sspec->freq_range_index] = sspec->power; 9639 index = sspec->freq_range_index + (BIOS_SAR_TABLE_LEN >> 1); 9640 sar_tbl[index] = sspec->power; 9641 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "sar tbl[%d] = %d\n", 9642 sspec->freq_range_index, sar_tbl[sspec->freq_range_index]); 9643 sspec++; 9644 } 9645 9646 ret = ath11k_wmi_pdev_set_bios_sar_table_param(ar, sar_tbl); 9647 if (ret) 9648 ath11k_warn(ar->ab, "failed to set sar power: %d", ret); 9649 9650 kfree(sar_tbl); 9651exit: 9652 mutex_unlock(&ar->conf_mutex); 9653 9654 return ret; 9655} 9656 9657static int ath11k_mac_op_cancel_remain_on_channel(struct ieee80211_hw *hw, 9658 struct ieee80211_vif *vif) 9659{ 9660 struct ath11k *ar = hw->priv; 9661 9662 mutex_lock(&ar->conf_mutex); 9663 9664 spin_lock_bh(&ar->data_lock); 9665 ar->scan.roc_notify = false; 9666 spin_unlock_bh(&ar->data_lock); 9667 9668 ath11k_scan_abort(ar); 9669 9670 mutex_unlock(&ar->conf_mutex); 9671 9672 cancel_delayed_work_sync(&ar->scan.timeout); 9673 9674 return 0; 9675} 9676 9677static int ath11k_mac_op_remain_on_channel(struct ieee80211_hw *hw, 9678 struct ieee80211_vif *vif, 9679 struct ieee80211_channel *chan, 9680 int duration, 9681 enum ieee80211_roc_type type) 9682{ 9683 struct ath11k *ar = hw->priv; 9684 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 9685 struct scan_req_params *arg; 9686 int ret; 9687 u32 scan_time_msec; 9688 9689 mutex_lock(&ar->conf_mutex); 9690 9691 spin_lock_bh(&ar->data_lock); 9692 switch (ar->scan.state) { 9693 case ATH11K_SCAN_IDLE: 9694 reinit_completion(&ar->scan.started); 9695 reinit_completion(&ar->scan.completed); 9696 reinit_completion(&ar->scan.on_channel); 9697 ar->scan.state = ATH11K_SCAN_STARTING; 9698 ar->scan.is_roc = true; 9699 ar->scan.vdev_id = arvif->vdev_id; 9700 ar->scan.roc_freq = chan->center_freq; 9701 ar->scan.roc_notify = true; 9702 ret = 0; 9703 break; 9704 case ATH11K_SCAN_STARTING: 9705 case ATH11K_SCAN_RUNNING: 9706 case ATH11K_SCAN_ABORTING: 9707 ret = -EBUSY; 9708 break; 9709 } 9710 spin_unlock_bh(&ar->data_lock); 9711 9712 if (ret) 9713 goto exit; 9714 9715 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2; 9716 9717 arg = kzalloc(sizeof(*arg), GFP_KERNEL); 9718 if (!arg) { 9719 ret = -ENOMEM; 9720 goto exit; 9721 } 9722 ath11k_wmi_start_scan_init(ar, arg); 9723 arg->num_chan = 1; 9724 arg->chan_list = kcalloc(arg->num_chan, sizeof(*arg->chan_list), 9725 GFP_KERNEL); 9726 if (!arg->chan_list) { 9727 ret = -ENOMEM; 9728 goto free_arg; 9729 } 9730 9731 arg->vdev_id = arvif->vdev_id; 9732 arg->scan_id = ATH11K_SCAN_ID; 9733 arg->chan_list[0] = chan->center_freq; 9734 arg->dwell_time_active = scan_time_msec; 9735 arg->dwell_time_passive = scan_time_msec; 9736 arg->max_scan_time = scan_time_msec; 9737 arg->scan_f_passive = 1; 9738 arg->burst_duration = duration; 9739 9740 if (!ar->ab->hw_params.single_pdev_only) 9741 arg->scan_f_filter_prb_req = 1; 9742 9743 ret = ath11k_start_scan(ar, arg); 9744 if (ret) { 9745 ath11k_warn(ar->ab, "failed to start roc scan: %d\n", ret); 9746 9747 spin_lock_bh(&ar->data_lock); 9748 ar->scan.state = ATH11K_SCAN_IDLE; 9749 spin_unlock_bh(&ar->data_lock); 9750 goto free_chan_list; 9751 } 9752 9753 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3 * HZ); 9754 if (ret == 0) { 9755 ath11k_warn(ar->ab, "failed to switch to channel for roc scan\n"); 9756 ret = ath11k_scan_stop(ar); 9757 if (ret) 9758 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret); 9759 ret = -ETIMEDOUT; 9760 goto free_chan_list; 9761 } 9762 9763 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, 9764 msecs_to_jiffies(duration)); 9765 9766 ret = 0; 9767 9768free_chan_list: 9769 kfree(arg->chan_list); 9770free_arg: 9771 kfree(arg); 9772exit: 9773 mutex_unlock(&ar->conf_mutex); 9774 return ret; 9775} 9776 9777static int ath11k_mac_station_add(struct ath11k *ar, 9778 struct ieee80211_vif *vif, 9779 struct ieee80211_sta *sta) 9780{ 9781 struct ath11k_base *ab = ar->ab; 9782 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 9783 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); 9784 struct peer_create_params peer_param; 9785 int ret; 9786 9787 lockdep_assert_held(&ar->conf_mutex); 9788 9789 ret = ath11k_mac_inc_num_stations(arvif, sta); 9790 if (ret) { 9791 ath11k_warn(ab, "refusing to associate station: too many connected already (%d)\n", 9792 ar->max_num_stations); 9793 goto exit; 9794 } 9795 9796 /* Driver allows the DEL KEY followed by SET KEY sequence for 9797 * group keys for only when there is no clients associated, if at 9798 * all firmware has entered the race during that window, 9799 * reinstalling the same key when the first sta connects will allow 9800 * firmware to recover from the race. 9801 */ 9802 if (arvif->num_stations == 1 && arvif->reinstall_group_keys) { 9803 ath11k_dbg(ab, ATH11K_DBG_MAC, "set group keys on 1st station add for vdev %d\n", 9804 arvif->vdev_id); 9805 ret = ath11k_set_group_keys(arvif); 9806 if (ret) 9807 goto dec_num_station; 9808 arvif->reinstall_group_keys = false; 9809 } 9810 9811 arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL); 9812 if (!arsta->rx_stats) { 9813 ret = -ENOMEM; 9814 goto dec_num_station; 9815 } 9816 9817 peer_param.vdev_id = arvif->vdev_id; 9818 peer_param.peer_addr = sta->addr; 9819 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT; 9820 9821 ret = ath11k_peer_create(ar, arvif, sta, &peer_param); 9822 if (ret) { 9823 ath11k_warn(ab, "Failed to add peer: %pM for VDEV: %d\n", 9824 sta->addr, arvif->vdev_id); 9825 goto free_rx_stats; 9826 } 9827 9828 ath11k_dbg(ab, ATH11K_DBG_MAC, "Added peer: %pM for VDEV: %d\n", 9829 sta->addr, arvif->vdev_id); 9830 9831 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar)) { 9832 arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), GFP_KERNEL); 9833 if (!arsta->tx_stats) { 9834 ret = -ENOMEM; 9835 goto free_peer; 9836 } 9837 } 9838 9839 if (ieee80211_vif_is_mesh(vif)) { 9840 ath11k_dbg(ab, ATH11K_DBG_MAC, 9841 "setting USE_4ADDR for mesh STA %pM\n", sta->addr); 9842 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 9843 arvif->vdev_id, 9844 WMI_PEER_USE_4ADDR, 1); 9845 if (ret) { 9846 ath11k_warn(ab, "failed to set mesh STA %pM 4addr capability: %d\n", 9847 sta->addr, ret); 9848 goto free_tx_stats; 9849 } 9850 } 9851 9852 ret = ath11k_dp_peer_setup(ar, arvif->vdev_id, sta->addr); 9853 if (ret) { 9854 ath11k_warn(ab, "failed to setup dp for peer %pM on vdev %i (%d)\n", 9855 sta->addr, arvif->vdev_id, ret); 9856 goto free_tx_stats; 9857 } 9858 9859 if (ab->hw_params.vdev_start_delay && 9860 !arvif->is_started && 9861 arvif->vdev_type != WMI_VDEV_TYPE_AP) { 9862 ret = ath11k_mac_start_vdev_delay(ar->hw, vif); 9863 if (ret) { 9864 ath11k_warn(ab, "failed to delay vdev start: %d\n", ret); 9865 goto free_tx_stats; 9866 } 9867 } 9868 9869 ewma_avg_rssi_init(&arsta->avg_rssi); 9870 return 0; 9871 9872free_tx_stats: 9873 kfree(arsta->tx_stats); 9874 arsta->tx_stats = NULL; 9875free_peer: 9876 ath11k_peer_delete(ar, arvif->vdev_id, sta->addr); 9877free_rx_stats: 9878 kfree(arsta->rx_stats); 9879 arsta->rx_stats = NULL; 9880dec_num_station: 9881 ath11k_mac_dec_num_stations(arvif, sta); 9882exit: 9883 return ret; 9884} 9885 9886static int ath11k_mac_station_remove(struct ath11k *ar, 9887 struct ieee80211_vif *vif, 9888 struct ieee80211_sta *sta) 9889{ 9890 struct ath11k_base *ab = ar->ab; 9891 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 9892 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); 9893 int ret; 9894 9895 if (ab->hw_params.vdev_start_delay && 9896 arvif->is_started && 9897 arvif->vdev_type != WMI_VDEV_TYPE_AP) { 9898 ret = ath11k_mac_stop_vdev_early(ar->hw, vif); 9899 if (ret) { 9900 ath11k_warn(ab, "failed to do early vdev stop: %d\n", ret); 9901 return ret; 9902 } 9903 } 9904 9905 ath11k_dp_peer_cleanup(ar, arvif->vdev_id, sta->addr); 9906 9907 ret = ath11k_peer_delete(ar, arvif->vdev_id, sta->addr); 9908 if (ret) 9909 ath11k_warn(ab, "Failed to delete peer: %pM for VDEV: %d\n", 9910 sta->addr, arvif->vdev_id); 9911 else 9912 ath11k_dbg(ab, ATH11K_DBG_MAC, "Removed peer: %pM for VDEV: %d\n", 9913 sta->addr, arvif->vdev_id); 9914 9915 ath11k_mac_dec_num_stations(arvif, sta); 9916 9917 kfree(arsta->tx_stats); 9918 arsta->tx_stats = NULL; 9919 9920 kfree(arsta->rx_stats); 9921 arsta->rx_stats = NULL; 9922 9923 return ret; 9924} 9925 9926static int ath11k_mac_op_sta_state(struct ieee80211_hw *hw, 9927 struct ieee80211_vif *vif, 9928 struct ieee80211_sta *sta, 9929 enum ieee80211_sta_state old_state, 9930 enum ieee80211_sta_state new_state) 9931{ 9932 struct ath11k *ar = hw->priv; 9933 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 9934 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); 9935 enum ieee80211_ap_reg_power power_type; 9936 struct cur_regulatory_info *reg_info; 9937 struct ath11k_peer *peer; 9938 int ret = 0; 9939 9940 /* cancel must be done outside the mutex to avoid deadlock */ 9941 if ((old_state == IEEE80211_STA_NONE && 9942 new_state == IEEE80211_STA_NOTEXIST)) { 9943 cancel_work_sync(&arsta->update_wk); 9944 cancel_work_sync(&arsta->set_4addr_wk); 9945 } 9946 9947 mutex_lock(&ar->conf_mutex); 9948 9949 if (old_state == IEEE80211_STA_NOTEXIST && 9950 new_state == IEEE80211_STA_NONE) { 9951 memset(arsta, 0, sizeof(*arsta)); 9952 arsta->arvif = arvif; 9953 arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED; 9954 INIT_WORK(&arsta->update_wk, ath11k_sta_rc_update_wk); 9955 INIT_WORK(&arsta->set_4addr_wk, ath11k_sta_set_4addr_wk); 9956 9957 ret = ath11k_mac_station_add(ar, vif, sta); 9958 if (ret) 9959 ath11k_warn(ar->ab, "Failed to add station: %pM for VDEV: %d\n", 9960 sta->addr, arvif->vdev_id); 9961 } else if ((old_state == IEEE80211_STA_NONE && 9962 new_state == IEEE80211_STA_NOTEXIST)) { 9963 ret = ath11k_mac_station_remove(ar, vif, sta); 9964 if (ret) 9965 ath11k_warn(ar->ab, "Failed to remove station: %pM for VDEV: %d\n", 9966 sta->addr, arvif->vdev_id); 9967 9968 mutex_lock(&ar->ab->tbl_mtx_lock); 9969 spin_lock_bh(&ar->ab->base_lock); 9970 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 9971 if (peer && peer->sta == sta) { 9972 ath11k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n", 9973 vif->addr, arvif->vdev_id); 9974 ath11k_peer_rhash_delete(ar->ab, peer); 9975 peer->sta = NULL; 9976 list_del(&peer->list); 9977 kfree(peer); 9978 ar->num_peers--; 9979 } 9980 spin_unlock_bh(&ar->ab->base_lock); 9981 mutex_unlock(&ar->ab->tbl_mtx_lock); 9982 } else if (old_state == IEEE80211_STA_AUTH && 9983 new_state == IEEE80211_STA_ASSOC && 9984 (vif->type == NL80211_IFTYPE_AP || 9985 vif->type == NL80211_IFTYPE_MESH_POINT || 9986 vif->type == NL80211_IFTYPE_ADHOC)) { 9987 ret = ath11k_station_assoc(ar, vif, sta, false); 9988 if (ret) 9989 ath11k_warn(ar->ab, "Failed to associate station: %pM\n", 9990 sta->addr); 9991 9992 spin_lock_bh(&ar->data_lock); 9993 /* Set arsta bw and prev bw */ 9994 arsta->bw = ath11k_mac_ieee80211_sta_bw_to_wmi(ar, sta); 9995 arsta->bw_prev = arsta->bw; 9996 spin_unlock_bh(&ar->data_lock); 9997 } else if (old_state == IEEE80211_STA_ASSOC && 9998 new_state == IEEE80211_STA_AUTHORIZED) { 9999 spin_lock_bh(&ar->ab->base_lock); 10000 10001 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 10002 if (peer) 10003 peer->is_authorized = true; 10004 10005 spin_unlock_bh(&ar->ab->base_lock); 10006 10007 if (vif->type == NL80211_IFTYPE_STATION && arvif->is_up) { 10008 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 10009 arvif->vdev_id, 10010 WMI_PEER_AUTHORIZE, 10011 1); 10012 if (ret) 10013 ath11k_warn(ar->ab, "Unable to authorize peer %pM vdev %d: %d\n", 10014 sta->addr, arvif->vdev_id, ret); 10015 } 10016 10017 if (!ret && 10018 ath11k_wmi_supports_6ghz_cc_ext(ar) && 10019 arvif->vdev_type == WMI_VDEV_TYPE_STA && 10020 arvif->chanctx.def.chan && 10021 arvif->chanctx.def.chan->band == NL80211_BAND_6GHZ) { 10022 reg_info = &ar->ab->reg_info_store[ar->pdev_idx]; 10023 power_type = vif->bss_conf.power_type; 10024 10025 if (power_type == IEEE80211_REG_UNSET_AP) { 10026 ath11k_warn(ar->ab, "invalid power type %d\n", 10027 power_type); 10028 ret = -EINVAL; 10029 } else { 10030 ret = ath11k_reg_handle_chan_list(ar->ab, 10031 reg_info, 10032 power_type); 10033 if (ret) 10034 ath11k_warn(ar->ab, 10035 "failed to handle chan list with power type %d\n", 10036 power_type); 10037 } 10038 } 10039 } else if (old_state == IEEE80211_STA_AUTHORIZED && 10040 new_state == IEEE80211_STA_ASSOC) { 10041 spin_lock_bh(&ar->ab->base_lock); 10042 10043 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 10044 if (peer) 10045 peer->is_authorized = false; 10046 10047 spin_unlock_bh(&ar->ab->base_lock); 10048 } else if (old_state == IEEE80211_STA_ASSOC && 10049 new_state == IEEE80211_STA_AUTH && 10050 (vif->type == NL80211_IFTYPE_AP || 10051 vif->type == NL80211_IFTYPE_MESH_POINT || 10052 vif->type == NL80211_IFTYPE_ADHOC)) { 10053 ret = ath11k_station_disassoc(ar, vif, sta); 10054 if (ret) 10055 ath11k_warn(ar->ab, "Failed to disassociate station: %pM\n", 10056 sta->addr); 10057 } 10058 10059 mutex_unlock(&ar->conf_mutex); 10060 return ret; 10061} 10062 10063static const struct ieee80211_ops ath11k_ops = { 10064 .tx = ath11k_mac_op_tx, 10065 .wake_tx_queue = ieee80211_handle_wake_tx_queue, 10066 .start = ath11k_mac_op_start, 10067 .stop = ath11k_mac_op_stop, 10068 .reconfig_complete = ath11k_mac_op_reconfig_complete, 10069 .add_interface = ath11k_mac_op_add_interface, 10070 .remove_interface = ath11k_mac_op_remove_interface, 10071 .update_vif_offload = ath11k_mac_op_update_vif_offload, 10072 .config = ath11k_mac_op_config, 10073 .bss_info_changed = ath11k_mac_op_bss_info_changed, 10074 .configure_filter = ath11k_mac_op_configure_filter, 10075 .hw_scan = ath11k_mac_op_hw_scan, 10076 .cancel_hw_scan = ath11k_mac_op_cancel_hw_scan, 10077 .set_key = ath11k_mac_op_set_key, 10078 .set_rekey_data = ath11k_mac_op_set_rekey_data, 10079 .sta_state = ath11k_mac_op_sta_state, 10080 .sta_set_4addr = ath11k_mac_op_sta_set_4addr, 10081 .sta_set_txpwr = ath11k_mac_op_sta_set_txpwr, 10082 .link_sta_rc_update = ath11k_mac_op_sta_rc_update, 10083 .conf_tx = ath11k_mac_op_conf_tx, 10084 .set_antenna = ath11k_mac_op_set_antenna, 10085 .get_antenna = ath11k_mac_op_get_antenna, 10086 .ampdu_action = ath11k_mac_op_ampdu_action, 10087 .add_chanctx = ath11k_mac_op_add_chanctx, 10088 .remove_chanctx = ath11k_mac_op_remove_chanctx, 10089 .change_chanctx = ath11k_mac_op_change_chanctx, 10090 .assign_vif_chanctx = ath11k_mac_op_assign_vif_chanctx, 10091 .unassign_vif_chanctx = ath11k_mac_op_unassign_vif_chanctx, 10092 .switch_vif_chanctx = ath11k_mac_op_switch_vif_chanctx, 10093 .set_rts_threshold = ath11k_mac_op_set_rts_threshold, 10094 .set_frag_threshold = ath11k_mac_op_set_frag_threshold, 10095 .set_bitrate_mask = ath11k_mac_op_set_bitrate_mask, 10096 .get_survey = ath11k_mac_op_get_survey, 10097 .flush = ath11k_mac_op_flush, 10098 .sta_statistics = ath11k_mac_op_sta_statistics, 10099 CFG80211_TESTMODE_CMD(ath11k_tm_cmd) 10100 10101#ifdef CONFIG_PM 10102 .suspend = ath11k_wow_op_suspend, 10103 .resume = ath11k_wow_op_resume, 10104 .set_wakeup = ath11k_wow_op_set_wakeup, 10105#endif 10106 10107#ifdef CONFIG_ATH11K_DEBUGFS 10108 .vif_add_debugfs = ath11k_debugfs_op_vif_add, 10109 .sta_add_debugfs = ath11k_debugfs_sta_op_add, 10110#endif 10111 10112#if IS_ENABLED(CONFIG_IPV6) 10113 .ipv6_addr_change = ath11k_mac_op_ipv6_changed, 10114#endif 10115 .get_txpower = ath11k_mac_op_get_txpower, 10116 10117 .set_sar_specs = ath11k_mac_op_set_bios_sar_specs, 10118 .remain_on_channel = ath11k_mac_op_remain_on_channel, 10119 .cancel_remain_on_channel = ath11k_mac_op_cancel_remain_on_channel, 10120}; 10121 10122static void ath11k_mac_update_ch_list(struct ath11k *ar, 10123 struct ieee80211_supported_band *band, 10124 u32 freq_low, u32 freq_high) 10125{ 10126 int i; 10127 10128 if (!(freq_low && freq_high)) 10129 return; 10130 10131 for (i = 0; i < band->n_channels; i++) { 10132 if (band->channels[i].center_freq < freq_low || 10133 band->channels[i].center_freq > freq_high) 10134 band->channels[i].flags |= IEEE80211_CHAN_DISABLED; 10135 } 10136} 10137 10138static u32 ath11k_get_phy_id(struct ath11k *ar, u32 band) 10139{ 10140 struct ath11k_pdev *pdev = ar->pdev; 10141 struct ath11k_pdev_cap *pdev_cap = &pdev->cap; 10142 10143 if (band == WMI_HOST_WLAN_2G_CAP) 10144 return pdev_cap->band[NL80211_BAND_2GHZ].phy_id; 10145 10146 if (band == WMI_HOST_WLAN_5G_CAP) 10147 return pdev_cap->band[NL80211_BAND_5GHZ].phy_id; 10148 10149 ath11k_warn(ar->ab, "unsupported phy cap:%d\n", band); 10150 10151 return 0; 10152} 10153 10154static int ath11k_mac_setup_channels_rates(struct ath11k *ar, 10155 u32 supported_bands) 10156{ 10157 struct ieee80211_supported_band *band; 10158 struct ath11k_hal_reg_capabilities_ext *reg_cap, *temp_reg_cap; 10159 void *channels; 10160 u32 phy_id; 10161 10162 BUILD_BUG_ON((ARRAY_SIZE(ath11k_2ghz_channels) + 10163 ARRAY_SIZE(ath11k_5ghz_channels) + 10164 ARRAY_SIZE(ath11k_6ghz_channels)) != 10165 ATH11K_NUM_CHANS); 10166 10167 reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx]; 10168 temp_reg_cap = reg_cap; 10169 10170 if (supported_bands & WMI_HOST_WLAN_2G_CAP) { 10171 channels = kmemdup(ath11k_2ghz_channels, 10172 sizeof(ath11k_2ghz_channels), 10173 GFP_KERNEL); 10174 if (!channels) 10175 return -ENOMEM; 10176 10177 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 10178 band->band = NL80211_BAND_2GHZ; 10179 band->n_channels = ARRAY_SIZE(ath11k_2ghz_channels); 10180 band->channels = channels; 10181 band->n_bitrates = ath11k_g_rates_size; 10182 band->bitrates = ath11k_g_rates; 10183 ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band; 10184 10185 if (ar->ab->hw_params.single_pdev_only) { 10186 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_2G_CAP); 10187 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id]; 10188 } 10189 ath11k_mac_update_ch_list(ar, band, 10190 temp_reg_cap->low_2ghz_chan, 10191 temp_reg_cap->high_2ghz_chan); 10192 } 10193 10194 if (supported_bands & WMI_HOST_WLAN_5G_CAP) { 10195 if (reg_cap->high_5ghz_chan >= ATH11K_MIN_6G_FREQ) { 10196 channels = kmemdup(ath11k_6ghz_channels, 10197 sizeof(ath11k_6ghz_channels), GFP_KERNEL); 10198 if (!channels) { 10199 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10200 return -ENOMEM; 10201 } 10202 10203 ar->supports_6ghz = true; 10204 band = &ar->mac.sbands[NL80211_BAND_6GHZ]; 10205 band->band = NL80211_BAND_6GHZ; 10206 band->n_channels = ARRAY_SIZE(ath11k_6ghz_channels); 10207 band->channels = channels; 10208 band->n_bitrates = ath11k_a_rates_size; 10209 band->bitrates = ath11k_a_rates; 10210 ar->hw->wiphy->bands[NL80211_BAND_6GHZ] = band; 10211 10212 if (ar->ab->hw_params.single_pdev_only) { 10213 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP); 10214 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id]; 10215 } 10216 10217 ath11k_mac_update_ch_list(ar, band, 10218 temp_reg_cap->low_5ghz_chan, 10219 temp_reg_cap->high_5ghz_chan); 10220 } 10221 10222 if (reg_cap->low_5ghz_chan < ATH11K_MIN_6G_FREQ) { 10223 channels = kmemdup(ath11k_5ghz_channels, 10224 sizeof(ath11k_5ghz_channels), 10225 GFP_KERNEL); 10226 if (!channels) { 10227 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10228 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels); 10229 return -ENOMEM; 10230 } 10231 10232 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 10233 band->band = NL80211_BAND_5GHZ; 10234 band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels); 10235 band->channels = channels; 10236 band->n_bitrates = ath11k_a_rates_size; 10237 band->bitrates = ath11k_a_rates; 10238 ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band; 10239 10240 if (ar->ab->hw_params.single_pdev_only) { 10241 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP); 10242 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id]; 10243 } 10244 10245 ath11k_mac_update_ch_list(ar, band, 10246 temp_reg_cap->low_5ghz_chan, 10247 temp_reg_cap->high_5ghz_chan); 10248 } 10249 } 10250 10251 return 0; 10252} 10253 10254static void ath11k_mac_setup_mac_address_list(struct ath11k *ar) 10255{ 10256 struct mac_address *addresses; 10257 u16 n_addresses; 10258 int i; 10259 10260 if (!ar->ab->hw_params.support_dual_stations) 10261 return; 10262 10263 n_addresses = ar->ab->hw_params.num_vdevs; 10264 addresses = kcalloc(n_addresses, sizeof(*addresses), GFP_KERNEL); 10265 if (!addresses) 10266 return; 10267 10268 memcpy(addresses[0].addr, ar->mac_addr, ETH_ALEN); 10269 for (i = 1; i < n_addresses; i++) { 10270 memcpy(addresses[i].addr, ar->mac_addr, ETH_ALEN); 10271 /* set Local Administered Address bit */ 10272 addresses[i].addr[0] |= 0x2; 10273 10274 addresses[i].addr[0] += (i - 1) << 4; 10275 } 10276 10277 ar->hw->wiphy->addresses = addresses; 10278 ar->hw->wiphy->n_addresses = n_addresses; 10279} 10280 10281static int ath11k_mac_setup_iface_combinations(struct ath11k *ar) 10282{ 10283 struct ath11k_base *ab = ar->ab; 10284 struct ieee80211_iface_combination *combinations; 10285 struct ieee80211_iface_limit *limits; 10286 int n_limits, n_combos; 10287 bool p2p; 10288 10289 p2p = ab->hw_params.interface_modes & BIT(NL80211_IFTYPE_P2P_DEVICE); 10290 10291 if (ab->hw_params.support_dual_stations) 10292 n_combos = 2; 10293 else 10294 n_combos = 1; 10295 10296 combinations = kcalloc(n_combos, sizeof(*combinations), GFP_KERNEL); 10297 if (!combinations) 10298 return -ENOMEM; 10299 10300 if (p2p) 10301 n_limits = 3; 10302 else 10303 n_limits = 2; 10304 10305 limits = kcalloc(n_limits, sizeof(*limits), GFP_KERNEL); 10306 if (!limits) { 10307 kfree(combinations); 10308 return -ENOMEM; 10309 } 10310 10311 limits[0].max = 1; 10312 limits[0].types |= BIT(NL80211_IFTYPE_STATION); 10313 limits[1].max = 16; 10314 limits[1].types |= BIT(NL80211_IFTYPE_AP); 10315 if (IS_ENABLED(CONFIG_MAC80211_MESH) && 10316 ab->hw_params.interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 10317 limits[1].types |= BIT(NL80211_IFTYPE_MESH_POINT); 10318 10319 combinations[0].limits = limits; 10320 combinations[0].n_limits = n_limits; 10321 combinations[0].beacon_int_infra_match = true; 10322 combinations[0].beacon_int_min_gcd = 100; 10323 combinations[0].max_interfaces = 16; 10324 combinations[0].num_different_channels = 1; 10325 combinations[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 10326 BIT(NL80211_CHAN_WIDTH_20) | 10327 BIT(NL80211_CHAN_WIDTH_40) | 10328 BIT(NL80211_CHAN_WIDTH_80) | 10329 BIT(NL80211_CHAN_WIDTH_80P80) | 10330 BIT(NL80211_CHAN_WIDTH_160); 10331 10332 if (ab->hw_params.support_dual_stations) { 10333 limits[0].max = 2; 10334 10335 combinations[1].limits = limits; 10336 combinations[1].n_limits = n_limits; 10337 combinations[1].beacon_int_infra_match = true; 10338 combinations[1].beacon_int_min_gcd = 100; 10339 combinations[1].max_interfaces = ab->hw_params.num_vdevs; 10340 combinations[1].num_different_channels = 2; 10341 } 10342 10343 if (p2p) { 10344 limits[1].types |= BIT(NL80211_IFTYPE_P2P_CLIENT) | 10345 BIT(NL80211_IFTYPE_P2P_GO); 10346 limits[2].max = 1; 10347 limits[2].types |= BIT(NL80211_IFTYPE_P2P_DEVICE); 10348 } 10349 10350 ar->hw->wiphy->iface_combinations = combinations; 10351 ar->hw->wiphy->n_iface_combinations = n_combos; 10352 10353 return 0; 10354} 10355 10356static const u8 ath11k_if_types_ext_capa[] = { 10357 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 10358 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 10359 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 10360}; 10361 10362static const u8 ath11k_if_types_ext_capa_sta[] = { 10363 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 10364 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 10365 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 10366 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 10367}; 10368 10369static const u8 ath11k_if_types_ext_capa_ap[] = { 10370 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 10371 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 10372 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 10373 [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT, 10374 [10] = WLAN_EXT_CAPA11_EMA_SUPPORT, 10375}; 10376 10377static const struct wiphy_iftype_ext_capab ath11k_iftypes_ext_capa[] = { 10378 { 10379 .extended_capabilities = ath11k_if_types_ext_capa, 10380 .extended_capabilities_mask = ath11k_if_types_ext_capa, 10381 .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa), 10382 }, { 10383 .iftype = NL80211_IFTYPE_STATION, 10384 .extended_capabilities = ath11k_if_types_ext_capa_sta, 10385 .extended_capabilities_mask = ath11k_if_types_ext_capa_sta, 10386 .extended_capabilities_len = 10387 sizeof(ath11k_if_types_ext_capa_sta), 10388 }, { 10389 .iftype = NL80211_IFTYPE_AP, 10390 .extended_capabilities = ath11k_if_types_ext_capa_ap, 10391 .extended_capabilities_mask = ath11k_if_types_ext_capa_ap, 10392 .extended_capabilities_len = 10393 sizeof(ath11k_if_types_ext_capa_ap), 10394 }, 10395}; 10396 10397static void __ath11k_mac_unregister(struct ath11k *ar) 10398{ 10399 cancel_work_sync(&ar->channel_update_work); 10400 cancel_work_sync(&ar->regd_update_work); 10401 10402 ieee80211_unregister_hw(ar->hw); 10403 10404 idr_for_each(&ar->txmgmt_idr, ath11k_mac_tx_mgmt_pending_free, ar); 10405 idr_destroy(&ar->txmgmt_idr); 10406 10407 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10408 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 10409 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels); 10410 10411 kfree(ar->hw->wiphy->iface_combinations[0].limits); 10412 kfree(ar->hw->wiphy->iface_combinations); 10413 10414 kfree(ar->hw->wiphy->addresses); 10415 10416 SET_IEEE80211_DEV(ar->hw, NULL); 10417} 10418 10419void ath11k_mac_unregister(struct ath11k_base *ab) 10420{ 10421 struct ath11k *ar; 10422 struct ath11k_pdev *pdev; 10423 int i; 10424 10425 for (i = 0; i < ab->num_radios; i++) { 10426 pdev = &ab->pdevs[i]; 10427 ar = pdev->ar; 10428 if (!ar) 10429 continue; 10430 10431 __ath11k_mac_unregister(ar); 10432 } 10433 10434 ath11k_peer_rhash_tbl_destroy(ab); 10435} 10436 10437static int __ath11k_mac_register(struct ath11k *ar) 10438{ 10439 struct ath11k_base *ab = ar->ab; 10440 struct ath11k_pdev_cap *cap = &ar->pdev->cap; 10441 static const u32 cipher_suites[] = { 10442 WLAN_CIPHER_SUITE_TKIP, 10443 WLAN_CIPHER_SUITE_CCMP, 10444 WLAN_CIPHER_SUITE_AES_CMAC, 10445 WLAN_CIPHER_SUITE_BIP_CMAC_256, 10446 WLAN_CIPHER_SUITE_BIP_GMAC_128, 10447 WLAN_CIPHER_SUITE_BIP_GMAC_256, 10448 WLAN_CIPHER_SUITE_GCMP, 10449 WLAN_CIPHER_SUITE_GCMP_256, 10450 WLAN_CIPHER_SUITE_CCMP_256, 10451 }; 10452 int ret; 10453 u32 ht_cap = 0; 10454 10455 ath11k_pdev_caps_update(ar); 10456 10457 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); 10458 ath11k_mac_setup_mac_address_list(ar); 10459 10460 SET_IEEE80211_DEV(ar->hw, ab->dev); 10461 10462 ret = ath11k_mac_setup_channels_rates(ar, 10463 cap->supported_bands); 10464 if (ret) 10465 goto err; 10466 10467 wiphy_read_of_freq_limits(ar->hw->wiphy); 10468 ath11k_mac_setup_ht_vht_cap(ar, cap, &ht_cap); 10469 ath11k_mac_setup_he_cap(ar, cap); 10470 10471 ret = ath11k_mac_setup_iface_combinations(ar); 10472 if (ret) { 10473 ath11k_err(ar->ab, "failed to setup interface combinations: %d\n", ret); 10474 goto err_free_channels; 10475 } 10476 10477 ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask; 10478 ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask; 10479 10480 ar->hw->wiphy->interface_modes = ab->hw_params.interface_modes; 10481 10482 if (ab->hw_params.single_pdev_only && ar->supports_6ghz) 10483 ieee80211_hw_set(ar->hw, SINGLE_SCAN_ON_ALL_BANDS); 10484 10485 if (ab->hw_params.supports_multi_bssid) { 10486 ieee80211_hw_set(ar->hw, SUPPORTS_MULTI_BSSID); 10487 ieee80211_hw_set(ar->hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 10488 } 10489 10490 ieee80211_hw_set(ar->hw, SIGNAL_DBM); 10491 ieee80211_hw_set(ar->hw, SUPPORTS_PS); 10492 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); 10493 ieee80211_hw_set(ar->hw, MFP_CAPABLE); 10494 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); 10495 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); 10496 ieee80211_hw_set(ar->hw, AP_LINK_PS); 10497 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT); 10498 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR); 10499 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK); 10500 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); 10501 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); 10502 ieee80211_hw_set(ar->hw, QUEUE_CONTROL); 10503 ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG); 10504 ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK); 10505 10506 if (ath11k_frame_mode == ATH11K_HW_TXRX_ETHERNET) { 10507 ieee80211_hw_set(ar->hw, SUPPORTS_TX_ENCAP_OFFLOAD); 10508 ieee80211_hw_set(ar->hw, SUPPORTS_RX_DECAP_OFFLOAD); 10509 } 10510 10511 if (cap->nss_ratio_enabled) 10512 ieee80211_hw_set(ar->hw, SUPPORTS_VHT_EXT_NSS_BW); 10513 10514 if ((ht_cap & WMI_HT_CAP_ENABLED) || ar->supports_6ghz) { 10515 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION); 10516 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW); 10517 ieee80211_hw_set(ar->hw, SUPPORTS_REORDERING_BUFFER); 10518 ieee80211_hw_set(ar->hw, SUPPORTS_AMSDU_IN_AMPDU); 10519 ieee80211_hw_set(ar->hw, USES_RSS); 10520 } 10521 10522 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; 10523 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 10524 10525 /* TODO: Check if HT capability advertised from firmware is different 10526 * for each band for a dual band capable radio. It will be tricky to 10527 * handle it when the ht capability different for each band. 10528 */ 10529 if (ht_cap & WMI_HT_CAP_DYNAMIC_SMPS || 10530 (ar->supports_6ghz && ab->hw_params.supports_dynamic_smps_6ghz)) 10531 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; 10532 10533 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; 10534 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; 10535 10536 ar->hw->max_listen_interval = ATH11K_MAX_HW_LISTEN_INTERVAL; 10537 10538 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 10539 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 10540 ar->hw->wiphy->max_remain_on_channel_duration = 5000; 10541 10542 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 10543 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 10544 NL80211_FEATURE_AP_SCAN; 10545 10546 ar->hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 10547 10548 ar->max_num_stations = TARGET_NUM_STATIONS(ab); 10549 ar->max_num_peers = TARGET_NUM_PEERS_PDEV(ab); 10550 10551 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; 10552 10553 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) { 10554 ar->hw->wiphy->features |= 10555 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 10556 } 10557 10558 if (test_bit(WMI_TLV_SERVICE_NLO, ar->wmi->wmi_ab->svc_map)) { 10559 ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS; 10560 ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS; 10561 ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH; 10562 ar->hw->wiphy->max_sched_scan_plans = WMI_PNO_MAX_SCHED_SCAN_PLANS; 10563 ar->hw->wiphy->max_sched_scan_plan_interval = 10564 WMI_PNO_MAX_SCHED_SCAN_PLAN_INT; 10565 ar->hw->wiphy->max_sched_scan_plan_iterations = 10566 WMI_PNO_MAX_SCHED_SCAN_PLAN_ITRNS; 10567 ar->hw->wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 10568 } 10569 10570 ret = ath11k_wow_init(ar); 10571 if (ret) { 10572 ath11k_warn(ar->ab, "failed to init wow: %d\n", ret); 10573 goto err_free_if_combs; 10574 } 10575 10576 if (test_bit(WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI, 10577 ar->ab->wmi_ab.svc_map)) 10578 wiphy_ext_feature_set(ar->hw->wiphy, 10579 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT); 10580 10581 ar->hw->queues = ATH11K_HW_MAX_QUEUES; 10582 ar->hw->wiphy->tx_queue_len = ATH11K_QUEUE_LEN; 10583 ar->hw->offchannel_tx_hw_queue = ATH11K_HW_MAX_QUEUES - 1; 10584 ar->hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE; 10585 10586 ar->hw->vif_data_size = sizeof(struct ath11k_vif); 10587 ar->hw->sta_data_size = sizeof(struct ath11k_sta); 10588 10589 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 10590 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_STA_TX_PWR); 10591 if (test_bit(WMI_TLV_SERVICE_BSS_COLOR_OFFLOAD, 10592 ar->ab->wmi_ab.svc_map)) { 10593 wiphy_ext_feature_set(ar->hw->wiphy, 10594 NL80211_EXT_FEATURE_BSS_COLOR); 10595 ieee80211_hw_set(ar->hw, DETECTS_COLOR_COLLISION); 10596 } 10597 10598 ar->hw->wiphy->cipher_suites = cipher_suites; 10599 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 10600 10601 ar->hw->wiphy->iftype_ext_capab = ath11k_iftypes_ext_capa; 10602 ar->hw->wiphy->num_iftype_ext_capab = 10603 ARRAY_SIZE(ath11k_iftypes_ext_capa); 10604 10605 if (ar->supports_6ghz) { 10606 wiphy_ext_feature_set(ar->hw->wiphy, 10607 NL80211_EXT_FEATURE_FILS_DISCOVERY); 10608 wiphy_ext_feature_set(ar->hw->wiphy, 10609 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP); 10610 } 10611 10612 wiphy_ext_feature_set(ar->hw->wiphy, 10613 NL80211_EXT_FEATURE_SET_SCAN_DWELL); 10614 10615 if (test_bit(WMI_TLV_SERVICE_RTT, ar->ab->wmi_ab.svc_map)) 10616 wiphy_ext_feature_set(ar->hw->wiphy, 10617 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 10618 10619 ar->hw->wiphy->mbssid_max_interfaces = TARGET_NUM_VDEVS(ab); 10620 ar->hw->wiphy->ema_max_profile_periodicity = TARGET_EMA_MAX_PROFILE_PERIOD; 10621 10622 ath11k_reg_init(ar); 10623 10624 if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) { 10625 ar->hw->netdev_features = NETIF_F_HW_CSUM; 10626 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); 10627 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); 10628 } 10629 10630 if (test_bit(WMI_TLV_SERVICE_BIOS_SAR_SUPPORT, ar->ab->wmi_ab.svc_map) && 10631 ab->hw_params.bios_sar_capa) 10632 ar->hw->wiphy->sar_capa = ab->hw_params.bios_sar_capa; 10633 10634 ret = ieee80211_register_hw(ar->hw); 10635 if (ret) { 10636 ath11k_err(ar->ab, "ieee80211 registration failed: %d\n", ret); 10637 goto err_free_if_combs; 10638 } 10639 10640 if (!ab->hw_params.supports_monitor) 10641 /* There's a race between calling ieee80211_register_hw() 10642 * and here where the monitor mode is enabled for a little 10643 * while. But that time is so short and in practise it make 10644 * a difference in real life. 10645 */ 10646 ar->hw->wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MONITOR); 10647 10648 /* Apply the regd received during initialization */ 10649 ret = ath11k_regd_update(ar); 10650 if (ret) { 10651 ath11k_err(ar->ab, "ath11k regd update failed: %d\n", ret); 10652 goto err_unregister_hw; 10653 } 10654 10655 if (ab->hw_params.current_cc_support && ab->new_alpha2[0]) { 10656 memcpy(&ar->alpha2, ab->new_alpha2, 2); 10657 ret = ath11k_reg_set_cc(ar); 10658 if (ret) 10659 ath11k_warn(ar->ab, 10660 "failed set cc code for mac register: %d\n", ret); 10661 } 10662 10663 ret = ath11k_debugfs_register(ar); 10664 if (ret) { 10665 ath11k_err(ar->ab, "debugfs registration failed: %d\n", ret); 10666 goto err_unregister_hw; 10667 } 10668 10669 return 0; 10670 10671err_unregister_hw: 10672 ieee80211_unregister_hw(ar->hw); 10673 10674err_free_if_combs: 10675 kfree(ar->hw->wiphy->iface_combinations[0].limits); 10676 kfree(ar->hw->wiphy->iface_combinations); 10677 10678err_free_channels: 10679 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10680 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 10681 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels); 10682 10683err: 10684 SET_IEEE80211_DEV(ar->hw, NULL); 10685 return ret; 10686} 10687 10688int ath11k_mac_register(struct ath11k_base *ab) 10689{ 10690 struct ath11k *ar; 10691 struct ath11k_pdev *pdev; 10692 int i; 10693 int ret; 10694 u8 mac_addr[ETH_ALEN] = {}; 10695 10696 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) 10697 return 0; 10698 10699 /* Initialize channel counters frequency value in hertz */ 10700 ab->cc_freq_hz = IPQ8074_CC_FREQ_HERTZ; 10701 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS(ab))) - 1; 10702 10703 ret = ath11k_peer_rhash_tbl_init(ab); 10704 if (ret) 10705 return ret; 10706 10707 device_get_mac_address(ab->dev, mac_addr); 10708 10709 for (i = 0; i < ab->num_radios; i++) { 10710 pdev = &ab->pdevs[i]; 10711 ar = pdev->ar; 10712 if (ab->pdevs_macaddr_valid) { 10713 ether_addr_copy(ar->mac_addr, pdev->mac_addr); 10714 } else { 10715 if (is_zero_ether_addr(mac_addr)) 10716 ether_addr_copy(ar->mac_addr, ab->mac_addr); 10717 else 10718 ether_addr_copy(ar->mac_addr, mac_addr); 10719 ar->mac_addr[4] += i; 10720 } 10721 10722 idr_init(&ar->txmgmt_idr); 10723 spin_lock_init(&ar->txmgmt_idr_lock); 10724 10725 ret = __ath11k_mac_register(ar); 10726 if (ret) 10727 goto err_cleanup; 10728 10729 init_waitqueue_head(&ar->txmgmt_empty_waitq); 10730 } 10731 10732 return 0; 10733 10734err_cleanup: 10735 for (i = i - 1; i >= 0; i--) { 10736 pdev = &ab->pdevs[i]; 10737 ar = pdev->ar; 10738 __ath11k_mac_unregister(ar); 10739 } 10740 10741 ath11k_peer_rhash_tbl_destroy(ab); 10742 10743 return ret; 10744} 10745 10746int ath11k_mac_allocate(struct ath11k_base *ab) 10747{ 10748 struct ieee80211_hw *hw; 10749 struct ath11k *ar; 10750 struct ath11k_pdev *pdev; 10751 int ret; 10752 int i; 10753 10754 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) 10755 return 0; 10756 10757 for (i = 0; i < ab->num_radios; i++) { 10758 pdev = &ab->pdevs[i]; 10759 hw = ieee80211_alloc_hw(sizeof(struct ath11k), &ath11k_ops); 10760 if (!hw) { 10761 ath11k_warn(ab, "failed to allocate mac80211 hw device\n"); 10762 ret = -ENOMEM; 10763 goto err_free_mac; 10764 } 10765 10766 ar = hw->priv; 10767 ar->hw = hw; 10768 ar->ab = ab; 10769 ar->pdev = pdev; 10770 ar->pdev_idx = i; 10771 ar->lmac_id = ath11k_hw_get_mac_from_pdev_id(&ab->hw_params, i); 10772 10773 ar->wmi = &ab->wmi_ab.wmi[i]; 10774 /* FIXME wmi[0] is already initialized during attach, 10775 * Should we do this again? 10776 */ 10777 ath11k_wmi_pdev_attach(ab, i); 10778 10779 ar->cfg_tx_chainmask = pdev->cap.tx_chain_mask; 10780 ar->cfg_rx_chainmask = pdev->cap.rx_chain_mask; 10781 ar->num_tx_chains = get_num_chains(pdev->cap.tx_chain_mask); 10782 ar->num_rx_chains = get_num_chains(pdev->cap.rx_chain_mask); 10783 10784 pdev->ar = ar; 10785 spin_lock_init(&ar->data_lock); 10786 INIT_LIST_HEAD(&ar->arvifs); 10787 INIT_LIST_HEAD(&ar->ppdu_stats_info); 10788 mutex_init(&ar->conf_mutex); 10789 init_completion(&ar->vdev_setup_done); 10790 init_completion(&ar->vdev_delete_done); 10791 init_completion(&ar->peer_assoc_done); 10792 init_completion(&ar->peer_delete_done); 10793 init_completion(&ar->install_key_done); 10794 init_completion(&ar->bss_survey_done); 10795 init_completion(&ar->scan.started); 10796 init_completion(&ar->scan.completed); 10797 init_completion(&ar->scan.on_channel); 10798 init_completion(&ar->thermal.wmi_sync); 10799 10800 INIT_DELAYED_WORK(&ar->scan.timeout, ath11k_scan_timeout_work); 10801 INIT_WORK(&ar->channel_update_work, ath11k_regd_update_chan_list_work); 10802 INIT_LIST_HEAD(&ar->channel_update_queue); 10803 INIT_WORK(&ar->regd_update_work, ath11k_regd_update_work); 10804 10805 INIT_WORK(&ar->wmi_mgmt_tx_work, ath11k_mgmt_over_wmi_tx_work); 10806 skb_queue_head_init(&ar->wmi_mgmt_tx_queue); 10807 10808 clear_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags); 10809 10810 ar->monitor_vdev_id = -1; 10811 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 10812 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID; 10813 init_completion(&ar->completed_11d_scan); 10814 10815 ath11k_fw_stats_init(ar); 10816 } 10817 10818 return 0; 10819 10820err_free_mac: 10821 ath11k_mac_destroy(ab); 10822 10823 return ret; 10824} 10825 10826void ath11k_mac_destroy(struct ath11k_base *ab) 10827{ 10828 struct ath11k *ar; 10829 struct ath11k_pdev *pdev; 10830 int i; 10831 10832 for (i = 0; i < ab->num_radios; i++) { 10833 pdev = &ab->pdevs[i]; 10834 ar = pdev->ar; 10835 if (!ar) 10836 continue; 10837 10838 ath11k_fw_stats_free(&ar->fw_stats); 10839 ieee80211_free_hw(ar->hw); 10840 pdev->ar = NULL; 10841 } 10842} 10843 10844int ath11k_mac_vif_set_keepalive(struct ath11k_vif *arvif, 10845 enum wmi_sta_keepalive_method method, 10846 u32 interval) 10847{ 10848 struct ath11k *ar = arvif->ar; 10849 struct wmi_sta_keepalive_arg arg = {}; 10850 int ret; 10851 10852 lockdep_assert_held(&ar->conf_mutex); 10853 10854 if (arvif->vdev_type != WMI_VDEV_TYPE_STA) 10855 return 0; 10856 10857 if (!test_bit(WMI_TLV_SERVICE_STA_KEEP_ALIVE, ar->ab->wmi_ab.svc_map)) 10858 return 0; 10859 10860 arg.vdev_id = arvif->vdev_id; 10861 arg.enabled = 1; 10862 arg.method = method; 10863 arg.interval = interval; 10864 10865 ret = ath11k_wmi_sta_keepalive(ar, &arg); 10866 if (ret) { 10867 ath11k_warn(ar->ab, "failed to set keepalive on vdev %i: %d\n", 10868 arvif->vdev_id, ret); 10869 return ret; 10870 } 10871 10872 return 0; 10873}
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