1 // SPDX-License-Identifier: BSD-3-Clause-Clear 2 /* 3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. 4 * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved. 5 */ 6 7 #include <net/mac80211.h> 8 #include <linux/etherdevice.h> 9 #include "mac.h" 10 #include "core.h" 11 #include "debug.h" 12 #include "wmi.h" 13 #include "hw.h" 14 #include "dp_tx.h" 15 #include "dp_rx.h" 16 #include "testmode.h" 17 #include "peer.h" 18 #include "debugfs_sta.h" 19 20 #define CHAN2G(_channel, _freq, _flags) { \ 21 .band = NL80211_BAND_2GHZ, \ 22 .hw_value = (_channel), \ 23 .center_freq = (_freq), \ 24 .flags = (_flags), \ 25 .max_antenna_gain = 0, \ 26 .max_power = 30, \ 27 } 28 29 #define CHAN5G(_channel, _freq, _flags) { \ 30 .band = NL80211_BAND_5GHZ, \ 31 .hw_value = (_channel), \ 32 .center_freq = (_freq), \ 33 .flags = (_flags), \ 34 .max_antenna_gain = 0, \ 35 .max_power = 30, \ 36 } 37 38 #define CHAN6G(_channel, _freq, _flags) { \ 39 .band = NL80211_BAND_6GHZ, \ 40 .hw_value = (_channel), \ 41 .center_freq = (_freq), \ 42 .flags = (_flags), \ 43 .max_antenna_gain = 0, \ 44 .max_power = 30, \ 45 } 46 47 static const struct ieee80211_channel ath11k_2ghz_channels[] = { 48 CHAN2G(1, 2412, 0), 49 CHAN2G(2, 2417, 0), 50 CHAN2G(3, 2422, 0), 51 CHAN2G(4, 2427, 0), 52 CHAN2G(5, 2432, 0), 53 CHAN2G(6, 2437, 0), 54 CHAN2G(7, 2442, 0), 55 CHAN2G(8, 2447, 0), 56 CHAN2G(9, 2452, 0), 57 CHAN2G(10, 2457, 0), 58 CHAN2G(11, 2462, 0), 59 CHAN2G(12, 2467, 0), 60 CHAN2G(13, 2472, 0), 61 CHAN2G(14, 2484, 0), 62 }; 63 64 static const struct ieee80211_channel ath11k_5ghz_channels[] = { 65 CHAN5G(36, 5180, 0), 66 CHAN5G(40, 5200, 0), 67 CHAN5G(44, 5220, 0), 68 CHAN5G(48, 5240, 0), 69 CHAN5G(52, 5260, 0), 70 CHAN5G(56, 5280, 0), 71 CHAN5G(60, 5300, 0), 72 CHAN5G(64, 5320, 0), 73 CHAN5G(100, 5500, 0), 74 CHAN5G(104, 5520, 0), 75 CHAN5G(108, 5540, 0), 76 CHAN5G(112, 5560, 0), 77 CHAN5G(116, 5580, 0), 78 CHAN5G(120, 5600, 0), 79 CHAN5G(124, 5620, 0), 80 CHAN5G(128, 5640, 0), 81 CHAN5G(132, 5660, 0), 82 CHAN5G(136, 5680, 0), 83 CHAN5G(140, 5700, 0), 84 CHAN5G(144, 5720, 0), 85 CHAN5G(149, 5745, 0), 86 CHAN5G(153, 5765, 0), 87 CHAN5G(157, 5785, 0), 88 CHAN5G(161, 5805, 0), 89 CHAN5G(165, 5825, 0), 90 CHAN5G(169, 5845, 0), 91 CHAN5G(173, 5865, 0), 92 }; 93 94 static const struct ieee80211_channel ath11k_6ghz_channels[] = { 95 CHAN6G(1, 5955, 0), 96 CHAN6G(5, 5975, 0), 97 CHAN6G(9, 5995, 0), 98 CHAN6G(13, 6015, 0), 99 CHAN6G(17, 6035, 0), 100 CHAN6G(21, 6055, 0), 101 CHAN6G(25, 6075, 0), 102 CHAN6G(29, 6095, 0), 103 CHAN6G(33, 6115, 0), 104 CHAN6G(37, 6135, 0), 105 CHAN6G(41, 6155, 0), 106 CHAN6G(45, 6175, 0), 107 CHAN6G(49, 6195, 0), 108 CHAN6G(53, 6215, 0), 109 CHAN6G(57, 6235, 0), 110 CHAN6G(61, 6255, 0), 111 CHAN6G(65, 6275, 0), 112 CHAN6G(69, 6295, 0), 113 CHAN6G(73, 6315, 0), 114 CHAN6G(77, 6335, 0), 115 CHAN6G(81, 6355, 0), 116 CHAN6G(85, 6375, 0), 117 CHAN6G(89, 6395, 0), 118 CHAN6G(93, 6415, 0), 119 CHAN6G(97, 6435, 0), 120 CHAN6G(101, 6455, 0), 121 CHAN6G(105, 6475, 0), 122 CHAN6G(109, 6495, 0), 123 CHAN6G(113, 6515, 0), 124 CHAN6G(117, 6535, 0), 125 CHAN6G(121, 6555, 0), 126 CHAN6G(125, 6575, 0), 127 CHAN6G(129, 6595, 0), 128 CHAN6G(133, 6615, 0), 129 CHAN6G(137, 6635, 0), 130 CHAN6G(141, 6655, 0), 131 CHAN6G(145, 6675, 0), 132 CHAN6G(149, 6695, 0), 133 CHAN6G(153, 6715, 0), 134 CHAN6G(157, 6735, 0), 135 CHAN6G(161, 6755, 0), 136 CHAN6G(165, 6775, 0), 137 CHAN6G(169, 6795, 0), 138 CHAN6G(173, 6815, 0), 139 CHAN6G(177, 6835, 0), 140 CHAN6G(181, 6855, 0), 141 CHAN6G(185, 6875, 0), 142 CHAN6G(189, 6895, 0), 143 CHAN6G(193, 6915, 0), 144 CHAN6G(197, 6935, 0), 145 CHAN6G(201, 6955, 0), 146 CHAN6G(205, 6975, 0), 147 CHAN6G(209, 6995, 0), 148 CHAN6G(213, 7015, 0), 149 CHAN6G(217, 7035, 0), 150 CHAN6G(221, 7055, 0), 151 CHAN6G(225, 7075, 0), 152 CHAN6G(229, 7095, 0), 153 CHAN6G(233, 7115, 0), 154 155 /* new addition in IEEE Std 802.11ax-2021 */ 156 CHAN6G(2, 5935, 0), 157 }; 158 159 static struct ieee80211_rate ath11k_legacy_rates[] = { 160 { .bitrate = 10, 161 .hw_value = ATH11K_HW_RATE_CCK_LP_1M }, 162 { .bitrate = 20, 163 .hw_value = ATH11K_HW_RATE_CCK_LP_2M, 164 .hw_value_short = ATH11K_HW_RATE_CCK_SP_2M, 165 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 166 { .bitrate = 55, 167 .hw_value = ATH11K_HW_RATE_CCK_LP_5_5M, 168 .hw_value_short = ATH11K_HW_RATE_CCK_SP_5_5M, 169 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 170 { .bitrate = 110, 171 .hw_value = ATH11K_HW_RATE_CCK_LP_11M, 172 .hw_value_short = ATH11K_HW_RATE_CCK_SP_11M, 173 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 174 175 { .bitrate = 60, .hw_value = ATH11K_HW_RATE_OFDM_6M }, 176 { .bitrate = 90, .hw_value = ATH11K_HW_RATE_OFDM_9M }, 177 { .bitrate = 120, .hw_value = ATH11K_HW_RATE_OFDM_12M }, 178 { .bitrate = 180, .hw_value = ATH11K_HW_RATE_OFDM_18M }, 179 { .bitrate = 240, .hw_value = ATH11K_HW_RATE_OFDM_24M }, 180 { .bitrate = 360, .hw_value = ATH11K_HW_RATE_OFDM_36M }, 181 { .bitrate = 480, .hw_value = ATH11K_HW_RATE_OFDM_48M }, 182 { .bitrate = 540, .hw_value = ATH11K_HW_RATE_OFDM_54M }, 183 }; 184 185 static const int 186 ath11k_phymodes[NUM_NL80211_BANDS][ATH11K_CHAN_WIDTH_NUM] = { 187 [NL80211_BAND_2GHZ] = { 188 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, 189 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, 190 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20_2G, 191 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20_2G, 192 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40_2G, 193 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80_2G, 194 [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN, 195 [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN, 196 }, 197 [NL80211_BAND_5GHZ] = { 198 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, 199 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, 200 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20, 201 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20, 202 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40, 203 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80, 204 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160, 205 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80, 206 }, 207 [NL80211_BAND_6GHZ] = { 208 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, 209 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, 210 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20, 211 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20, 212 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40, 213 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80, 214 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160, 215 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80, 216 }, 217 218 }; 219 220 const struct htt_rx_ring_tlv_filter ath11k_mac_mon_status_filter_default = { 221 .rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START | 222 HTT_RX_FILTER_TLV_FLAGS_PPDU_END | 223 HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE, 224 .pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0, 225 .pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1, 226 .pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2, 227 .pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3 | 228 HTT_RX_FP_CTRL_FILTER_FLASG3 229 }; 230 231 #define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4 232 #define ath11k_g_rates ath11k_legacy_rates 233 #define ath11k_g_rates_size (ARRAY_SIZE(ath11k_legacy_rates)) 234 #define ath11k_a_rates (ath11k_legacy_rates + 4) 235 #define ath11k_a_rates_size (ARRAY_SIZE(ath11k_legacy_rates) - 4) 236 237 #define ATH11K_MAC_SCAN_TIMEOUT_MSECS 200 /* in msecs */ 238 239 static const u32 ath11k_smps_map[] = { 240 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, 241 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, 242 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, 243 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, 244 }; 245 246 static int ath11k_start_vdev_delay(struct ieee80211_hw *hw, 247 struct ieee80211_vif *vif); 248 249 enum nl80211_he_ru_alloc ath11k_mac_phy_he_ru_to_nl80211_he_ru_alloc(u16 ru_phy) 250 { 251 enum nl80211_he_ru_alloc ret; 252 253 switch (ru_phy) { 254 case RU_26: 255 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26; 256 break; 257 case RU_52: 258 ret = NL80211_RATE_INFO_HE_RU_ALLOC_52; 259 break; 260 case RU_106: 261 ret = NL80211_RATE_INFO_HE_RU_ALLOC_106; 262 break; 263 case RU_242: 264 ret = NL80211_RATE_INFO_HE_RU_ALLOC_242; 265 break; 266 case RU_484: 267 ret = NL80211_RATE_INFO_HE_RU_ALLOC_484; 268 break; 269 case RU_996: 270 ret = NL80211_RATE_INFO_HE_RU_ALLOC_996; 271 break; 272 default: 273 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26; 274 break; 275 } 276 277 return ret; 278 } 279 280 enum nl80211_he_ru_alloc ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(u16 ru_tones) 281 { 282 enum nl80211_he_ru_alloc ret; 283 284 switch (ru_tones) { 285 case 26: 286 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26; 287 break; 288 case 52: 289 ret = NL80211_RATE_INFO_HE_RU_ALLOC_52; 290 break; 291 case 106: 292 ret = NL80211_RATE_INFO_HE_RU_ALLOC_106; 293 break; 294 case 242: 295 ret = NL80211_RATE_INFO_HE_RU_ALLOC_242; 296 break; 297 case 484: 298 ret = NL80211_RATE_INFO_HE_RU_ALLOC_484; 299 break; 300 case 996: 301 ret = NL80211_RATE_INFO_HE_RU_ALLOC_996; 302 break; 303 case (996 * 2): 304 ret = NL80211_RATE_INFO_HE_RU_ALLOC_2x996; 305 break; 306 default: 307 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26; 308 break; 309 } 310 311 return ret; 312 } 313 314 enum nl80211_he_gi ath11k_mac_he_gi_to_nl80211_he_gi(u8 sgi) 315 { 316 enum nl80211_he_gi ret; 317 318 switch (sgi) { 319 case RX_MSDU_START_SGI_0_8_US: 320 ret = NL80211_RATE_INFO_HE_GI_0_8; 321 break; 322 case RX_MSDU_START_SGI_1_6_US: 323 ret = NL80211_RATE_INFO_HE_GI_1_6; 324 break; 325 case RX_MSDU_START_SGI_3_2_US: 326 ret = NL80211_RATE_INFO_HE_GI_3_2; 327 break; 328 default: 329 ret = NL80211_RATE_INFO_HE_GI_0_8; 330 break; 331 } 332 333 return ret; 334 } 335 336 u8 ath11k_mac_bw_to_mac80211_bw(u8 bw) 337 { 338 u8 ret = 0; 339 340 switch (bw) { 341 case ATH11K_BW_20: 342 ret = RATE_INFO_BW_20; 343 break; 344 case ATH11K_BW_40: 345 ret = RATE_INFO_BW_40; 346 break; 347 case ATH11K_BW_80: 348 ret = RATE_INFO_BW_80; 349 break; 350 case ATH11K_BW_160: 351 ret = RATE_INFO_BW_160; 352 break; 353 } 354 355 return ret; 356 } 357 358 enum ath11k_supported_bw ath11k_mac_mac80211_bw_to_ath11k_bw(enum rate_info_bw bw) 359 { 360 switch (bw) { 361 case RATE_INFO_BW_20: 362 return ATH11K_BW_20; 363 case RATE_INFO_BW_40: 364 return ATH11K_BW_40; 365 case RATE_INFO_BW_80: 366 return ATH11K_BW_80; 367 case RATE_INFO_BW_160: 368 return ATH11K_BW_160; 369 default: 370 return ATH11K_BW_20; 371 } 372 } 373 374 int ath11k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc, u8 preamble, u8 *rateidx, 375 u16 *rate) 376 { 377 /* As default, it is OFDM rates */ 378 int i = ATH11K_MAC_FIRST_OFDM_RATE_IDX; 379 int max_rates_idx = ath11k_g_rates_size; 380 381 if (preamble == WMI_RATE_PREAMBLE_CCK) { 382 hw_rc &= ~ATH11k_HW_RATECODE_CCK_SHORT_PREAM_MASK; 383 i = 0; 384 max_rates_idx = ATH11K_MAC_FIRST_OFDM_RATE_IDX; 385 } 386 387 while (i < max_rates_idx) { 388 if (hw_rc == ath11k_legacy_rates[i].hw_value) { 389 *rateidx = i; 390 *rate = ath11k_legacy_rates[i].bitrate; 391 return 0; 392 } 393 i++; 394 } 395 396 return -EINVAL; 397 } 398 399 static int get_num_chains(u32 mask) 400 { 401 int num_chains = 0; 402 403 while (mask) { 404 if (mask & BIT(0)) 405 num_chains++; 406 mask >>= 1; 407 } 408 409 return num_chains; 410 } 411 412 u8 ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband, 413 u32 bitrate) 414 { 415 int i; 416 417 for (i = 0; i < sband->n_bitrates; i++) 418 if (sband->bitrates[i].bitrate == bitrate) 419 return i; 420 421 return 0; 422 } 423 424 static u32 425 ath11k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) 426 { 427 int nss; 428 429 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--) 430 if (ht_mcs_mask[nss]) 431 return nss + 1; 432 433 return 1; 434 } 435 436 static u32 437 ath11k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) 438 { 439 int nss; 440 441 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--) 442 if (vht_mcs_mask[nss]) 443 return nss + 1; 444 445 return 1; 446 } 447 448 static u32 449 ath11k_mac_max_he_nss(const u16 he_mcs_mask[NL80211_HE_NSS_MAX]) 450 { 451 int nss; 452 453 for (nss = NL80211_HE_NSS_MAX - 1; nss >= 0; nss--) 454 if (he_mcs_mask[nss]) 455 return nss + 1; 456 457 return 1; 458 } 459 460 static u8 ath11k_parse_mpdudensity(u8 mpdudensity) 461 { 462 /* 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": 463 * 0 for no restriction 464 * 1 for 1/4 us 465 * 2 for 1/2 us 466 * 3 for 1 us 467 * 4 for 2 us 468 * 5 for 4 us 469 * 6 for 8 us 470 * 7 for 16 us 471 */ 472 switch (mpdudensity) { 473 case 0: 474 return 0; 475 case 1: 476 case 2: 477 case 3: 478 /* Our lower layer calculations limit our precision to 479 * 1 microsecond 480 */ 481 return 1; 482 case 4: 483 return 2; 484 case 5: 485 return 4; 486 case 6: 487 return 8; 488 case 7: 489 return 16; 490 default: 491 return 0; 492 } 493 } 494 495 static int ath11k_mac_vif_chan(struct ieee80211_vif *vif, 496 struct cfg80211_chan_def *def) 497 { 498 struct ieee80211_chanctx_conf *conf; 499 500 rcu_read_lock(); 501 conf = rcu_dereference(vif->chanctx_conf); 502 if (!conf) { 503 rcu_read_unlock(); 504 return -ENOENT; 505 } 506 507 *def = conf->def; 508 rcu_read_unlock(); 509 510 return 0; 511 } 512 513 static bool ath11k_mac_bitrate_is_cck(int bitrate) 514 { 515 switch (bitrate) { 516 case 10: 517 case 20: 518 case 55: 519 case 110: 520 return true; 521 } 522 523 return false; 524 } 525 526 u8 ath11k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband, 527 u8 hw_rate, bool cck) 528 { 529 const struct ieee80211_rate *rate; 530 int i; 531 532 for (i = 0; i < sband->n_bitrates; i++) { 533 rate = &sband->bitrates[i]; 534 535 if (ath11k_mac_bitrate_is_cck(rate->bitrate) != cck) 536 continue; 537 538 if (rate->hw_value == hw_rate) 539 return i; 540 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE && 541 rate->hw_value_short == hw_rate) 542 return i; 543 } 544 545 return 0; 546 } 547 548 static u8 ath11k_mac_bitrate_to_rate(int bitrate) 549 { 550 return DIV_ROUND_UP(bitrate, 5) | 551 (ath11k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0); 552 } 553 554 static void ath11k_get_arvif_iter(void *data, u8 *mac, 555 struct ieee80211_vif *vif) 556 { 557 struct ath11k_vif_iter *arvif_iter = data; 558 struct ath11k_vif *arvif = (void *)vif->drv_priv; 559 560 if (arvif->vdev_id == arvif_iter->vdev_id) 561 arvif_iter->arvif = arvif; 562 } 563 564 struct ath11k_vif *ath11k_mac_get_arvif(struct ath11k *ar, u32 vdev_id) 565 { 566 struct ath11k_vif_iter arvif_iter; 567 u32 flags; 568 569 memset(&arvif_iter, 0, sizeof(struct ath11k_vif_iter)); 570 arvif_iter.vdev_id = vdev_id; 571 572 flags = IEEE80211_IFACE_ITER_RESUME_ALL; 573 ieee80211_iterate_active_interfaces_atomic(ar->hw, 574 flags, 575 ath11k_get_arvif_iter, 576 &arvif_iter); 577 if (!arvif_iter.arvif) { 578 ath11k_warn(ar->ab, "No VIF found for vdev %d\n", vdev_id); 579 return NULL; 580 } 581 582 return arvif_iter.arvif; 583 } 584 585 struct ath11k_vif *ath11k_mac_get_arvif_by_vdev_id(struct ath11k_base *ab, 586 u32 vdev_id) 587 { 588 int i; 589 struct ath11k_pdev *pdev; 590 struct ath11k_vif *arvif; 591 592 for (i = 0; i < ab->num_radios; i++) { 593 pdev = rcu_dereference(ab->pdevs_active[i]); 594 if (pdev && pdev->ar && 595 (pdev->ar->allocated_vdev_map & (1LL << vdev_id))) { 596 arvif = ath11k_mac_get_arvif(pdev->ar, vdev_id); 597 if (arvif) 598 return arvif; 599 } 600 } 601 602 return NULL; 603 } 604 605 struct ath11k *ath11k_mac_get_ar_by_vdev_id(struct ath11k_base *ab, u32 vdev_id) 606 { 607 int i; 608 struct ath11k_pdev *pdev; 609 610 for (i = 0; i < ab->num_radios; i++) { 611 pdev = rcu_dereference(ab->pdevs_active[i]); 612 if (pdev && pdev->ar) { 613 if (pdev->ar->allocated_vdev_map & (1LL << vdev_id)) 614 return pdev->ar; 615 } 616 } 617 618 return NULL; 619 } 620 621 struct ath11k *ath11k_mac_get_ar_by_pdev_id(struct ath11k_base *ab, u32 pdev_id) 622 { 623 int i; 624 struct ath11k_pdev *pdev; 625 626 if (ab->hw_params.single_pdev_only) { 627 pdev = rcu_dereference(ab->pdevs_active[0]); 628 return pdev ? pdev->ar : NULL; 629 } 630 631 if (WARN_ON(pdev_id > ab->num_radios)) 632 return NULL; 633 634 for (i = 0; i < ab->num_radios; i++) { 635 pdev = rcu_dereference(ab->pdevs_active[i]); 636 637 if (pdev && pdev->pdev_id == pdev_id) 638 return (pdev->ar ? pdev->ar : NULL); 639 } 640 641 return NULL; 642 } 643 644 struct ath11k_vif *ath11k_mac_get_vif_up(struct ath11k_base *ab) 645 { 646 struct ath11k *ar; 647 struct ath11k_pdev *pdev; 648 struct ath11k_vif *arvif; 649 int i; 650 651 for (i = 0; i < ab->num_radios; i++) { 652 pdev = &ab->pdevs[i]; 653 ar = pdev->ar; 654 list_for_each_entry(arvif, &ar->arvifs, list) { 655 if (arvif->is_up) 656 return arvif; 657 } 658 } 659 660 return NULL; 661 } 662 663 static bool ath11k_mac_band_match(enum nl80211_band band1, enum WMI_HOST_WLAN_BAND band2) 664 { 665 return (((band1 == NL80211_BAND_2GHZ) && (band2 & WMI_HOST_WLAN_2G_CAP)) || 666 (((band1 == NL80211_BAND_5GHZ) || (band1 == NL80211_BAND_6GHZ)) && 667 (band2 & WMI_HOST_WLAN_5G_CAP))); 668 } 669 670 u8 ath11k_mac_get_target_pdev_id_from_vif(struct ath11k_vif *arvif) 671 { 672 struct ath11k *ar = arvif->ar; 673 struct ath11k_base *ab = ar->ab; 674 struct ieee80211_vif *vif = arvif->vif; 675 struct cfg80211_chan_def def; 676 enum nl80211_band band; 677 u8 pdev_id = ab->target_pdev_ids[0].pdev_id; 678 int i; 679 680 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 681 return pdev_id; 682 683 band = def.chan->band; 684 685 for (i = 0; i < ab->target_pdev_count; i++) { 686 if (ath11k_mac_band_match(band, ab->target_pdev_ids[i].supported_bands)) 687 return ab->target_pdev_ids[i].pdev_id; 688 } 689 690 return pdev_id; 691 } 692 693 u8 ath11k_mac_get_target_pdev_id(struct ath11k *ar) 694 { 695 struct ath11k_vif *arvif; 696 697 arvif = ath11k_mac_get_vif_up(ar->ab); 698 699 if (arvif) 700 return ath11k_mac_get_target_pdev_id_from_vif(arvif); 701 else 702 return ar->ab->target_pdev_ids[0].pdev_id; 703 } 704 705 static void ath11k_pdev_caps_update(struct ath11k *ar) 706 { 707 struct ath11k_base *ab = ar->ab; 708 709 ar->max_tx_power = ab->target_caps.hw_max_tx_power; 710 711 /* FIXME Set min_tx_power to ab->target_caps.hw_min_tx_power. 712 * But since the received value in svcrdy is same as hw_max_tx_power, 713 * we can set ar->min_tx_power to 0 currently until 714 * this is fixed in firmware 715 */ 716 ar->min_tx_power = 0; 717 718 ar->txpower_limit_2g = ar->max_tx_power; 719 ar->txpower_limit_5g = ar->max_tx_power; 720 ar->txpower_scale = WMI_HOST_TP_SCALE_MAX; 721 } 722 723 static int ath11k_mac_txpower_recalc(struct ath11k *ar) 724 { 725 struct ath11k_pdev *pdev = ar->pdev; 726 struct ath11k_vif *arvif; 727 int ret, txpower = -1; 728 u32 param; 729 730 lockdep_assert_held(&ar->conf_mutex); 731 732 list_for_each_entry(arvif, &ar->arvifs, list) { 733 if (arvif->txpower <= 0) 734 continue; 735 736 if (txpower == -1) 737 txpower = arvif->txpower; 738 else 739 txpower = min(txpower, arvif->txpower); 740 } 741 742 if (txpower == -1) 743 return 0; 744 745 /* txpwr is set as 2 units per dBm in FW*/ 746 txpower = min_t(u32, max_t(u32, ar->min_tx_power, txpower), 747 ar->max_tx_power) * 2; 748 749 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower to set in hw %d\n", 750 txpower / 2); 751 752 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) && 753 ar->txpower_limit_2g != txpower) { 754 param = WMI_PDEV_PARAM_TXPOWER_LIMIT2G; 755 ret = ath11k_wmi_pdev_set_param(ar, param, 756 txpower, ar->pdev->pdev_id); 757 if (ret) 758 goto fail; 759 ar->txpower_limit_2g = txpower; 760 } 761 762 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) && 763 ar->txpower_limit_5g != txpower) { 764 param = WMI_PDEV_PARAM_TXPOWER_LIMIT5G; 765 ret = ath11k_wmi_pdev_set_param(ar, param, 766 txpower, ar->pdev->pdev_id); 767 if (ret) 768 goto fail; 769 ar->txpower_limit_5g = txpower; 770 } 771 772 return 0; 773 774 fail: 775 ath11k_warn(ar->ab, "failed to recalc txpower limit %d using pdev param %d: %d\n", 776 txpower / 2, param, ret); 777 return ret; 778 } 779 780 static int ath11k_recalc_rtscts_prot(struct ath11k_vif *arvif) 781 { 782 struct ath11k *ar = arvif->ar; 783 u32 vdev_param, rts_cts = 0; 784 int ret; 785 786 lockdep_assert_held(&ar->conf_mutex); 787 788 vdev_param = WMI_VDEV_PARAM_ENABLE_RTSCTS; 789 790 /* Enable RTS/CTS protection for sw retries (when legacy stations 791 * are in BSS) or by default only for second rate series. 792 * TODO: Check if we need to enable CTS 2 Self in any case 793 */ 794 rts_cts = WMI_USE_RTS_CTS; 795 796 if (arvif->num_legacy_stations > 0) 797 rts_cts |= WMI_RTSCTS_ACROSS_SW_RETRIES << 4; 798 else 799 rts_cts |= WMI_RTSCTS_FOR_SECOND_RATESERIES << 4; 800 801 /* Need not send duplicate param value to firmware */ 802 if (arvif->rtscts_prot_mode == rts_cts) 803 return 0; 804 805 arvif->rtscts_prot_mode = rts_cts; 806 807 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d recalc rts/cts prot %d\n", 808 arvif->vdev_id, rts_cts); 809 810 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 811 vdev_param, rts_cts); 812 if (ret) 813 ath11k_warn(ar->ab, "failed to recalculate rts/cts prot for vdev %d: %d\n", 814 arvif->vdev_id, ret); 815 816 return ret; 817 } 818 819 static int ath11k_mac_set_kickout(struct ath11k_vif *arvif) 820 { 821 struct ath11k *ar = arvif->ar; 822 u32 param; 823 int ret; 824 825 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_STA_KICKOUT_TH, 826 ATH11K_KICKOUT_THRESHOLD, 827 ar->pdev->pdev_id); 828 if (ret) { 829 ath11k_warn(ar->ab, "failed to set kickout threshold on vdev %i: %d\n", 830 arvif->vdev_id, ret); 831 return ret; 832 } 833 834 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MIN_IDLE_INACTIVE_TIME_SECS; 835 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, 836 ATH11K_KEEPALIVE_MIN_IDLE); 837 if (ret) { 838 ath11k_warn(ar->ab, "failed to set keepalive minimum idle time on vdev %i: %d\n", 839 arvif->vdev_id, ret); 840 return ret; 841 } 842 843 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_IDLE_INACTIVE_TIME_SECS; 844 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, 845 ATH11K_KEEPALIVE_MAX_IDLE); 846 if (ret) { 847 ath11k_warn(ar->ab, "failed to set keepalive maximum idle time on vdev %i: %d\n", 848 arvif->vdev_id, ret); 849 return ret; 850 } 851 852 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_UNRESPONSIVE_TIME_SECS; 853 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, 854 ATH11K_KEEPALIVE_MAX_UNRESPONSIVE); 855 if (ret) { 856 ath11k_warn(ar->ab, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", 857 arvif->vdev_id, ret); 858 return ret; 859 } 860 861 return 0; 862 } 863 864 void ath11k_mac_peer_cleanup_all(struct ath11k *ar) 865 { 866 struct ath11k_peer *peer, *tmp; 867 struct ath11k_base *ab = ar->ab; 868 869 lockdep_assert_held(&ar->conf_mutex); 870 871 spin_lock_bh(&ab->base_lock); 872 list_for_each_entry_safe(peer, tmp, &ab->peers, list) { 873 ath11k_peer_rx_tid_cleanup(ar, peer); 874 list_del(&peer->list); 875 kfree(peer); 876 } 877 spin_unlock_bh(&ab->base_lock); 878 879 ar->num_peers = 0; 880 ar->num_stations = 0; 881 } 882 883 static inline int ath11k_mac_vdev_setup_sync(struct ath11k *ar) 884 { 885 lockdep_assert_held(&ar->conf_mutex); 886 887 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)) 888 return -ESHUTDOWN; 889 890 if (!wait_for_completion_timeout(&ar->vdev_setup_done, 891 ATH11K_VDEV_SETUP_TIMEOUT_HZ)) 892 return -ETIMEDOUT; 893 894 return ar->last_wmi_vdev_start_status ? -EINVAL : 0; 895 } 896 897 static void 898 ath11k_mac_get_any_chandef_iter(struct ieee80211_hw *hw, 899 struct ieee80211_chanctx_conf *conf, 900 void *data) 901 { 902 struct cfg80211_chan_def **def = data; 903 904 *def = &conf->def; 905 } 906 907 static int ath11k_mac_monitor_vdev_start(struct ath11k *ar, int vdev_id, 908 struct cfg80211_chan_def *chandef) 909 { 910 struct ieee80211_channel *channel; 911 struct wmi_vdev_start_req_arg arg = {}; 912 int ret; 913 914 lockdep_assert_held(&ar->conf_mutex); 915 916 channel = chandef->chan; 917 918 arg.vdev_id = vdev_id; 919 arg.channel.freq = channel->center_freq; 920 arg.channel.band_center_freq1 = chandef->center_freq1; 921 arg.channel.band_center_freq2 = chandef->center_freq2; 922 923 arg.channel.mode = ath11k_phymodes[chandef->chan->band][chandef->width]; 924 arg.channel.chan_radar = !!(channel->flags & IEEE80211_CHAN_RADAR); 925 926 arg.channel.min_power = 0; 927 arg.channel.max_power = channel->max_power; 928 arg.channel.max_reg_power = channel->max_reg_power; 929 arg.channel.max_antenna_gain = channel->max_antenna_gain; 930 931 arg.pref_tx_streams = ar->num_tx_chains; 932 arg.pref_rx_streams = ar->num_rx_chains; 933 934 arg.channel.passive = !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR); 935 936 reinit_completion(&ar->vdev_setup_done); 937 reinit_completion(&ar->vdev_delete_done); 938 939 ret = ath11k_wmi_vdev_start(ar, &arg, false); 940 if (ret) { 941 ath11k_warn(ar->ab, "failed to request monitor vdev %i start: %d\n", 942 vdev_id, ret); 943 return ret; 944 } 945 946 ret = ath11k_mac_vdev_setup_sync(ar); 947 if (ret) { 948 ath11k_warn(ar->ab, "failed to synchronize setup for monitor vdev %i start: %d\n", 949 vdev_id, ret); 950 return ret; 951 } 952 953 ret = ath11k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); 954 if (ret) { 955 ath11k_warn(ar->ab, "failed to put up monitor vdev %i: %d\n", 956 vdev_id, ret); 957 goto vdev_stop; 958 } 959 960 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor vdev %i started\n", 961 vdev_id); 962 963 return 0; 964 965 vdev_stop: 966 reinit_completion(&ar->vdev_setup_done); 967 968 ret = ath11k_wmi_vdev_stop(ar, vdev_id); 969 if (ret) { 970 ath11k_warn(ar->ab, "failed to stop monitor vdev %i after start failure: %d\n", 971 vdev_id, ret); 972 return ret; 973 } 974 975 ret = ath11k_mac_vdev_setup_sync(ar); 976 if (ret) { 977 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i stop: %d\n", 978 vdev_id, ret); 979 return ret; 980 } 981 982 return -EIO; 983 } 984 985 static int ath11k_mac_monitor_vdev_stop(struct ath11k *ar) 986 { 987 int ret; 988 989 lockdep_assert_held(&ar->conf_mutex); 990 991 reinit_completion(&ar->vdev_setup_done); 992 993 ret = ath11k_wmi_vdev_stop(ar, ar->monitor_vdev_id); 994 if (ret) { 995 ath11k_warn(ar->ab, "failed to request monitor vdev %i stop: %d\n", 996 ar->monitor_vdev_id, ret); 997 return ret; 998 } 999 1000 ret = ath11k_mac_vdev_setup_sync(ar); 1001 if (ret) { 1002 ath11k_warn(ar->ab, "failed to synchronize monitor vdev %i stop: %d\n", 1003 ar->monitor_vdev_id, ret); 1004 return ret; 1005 } 1006 1007 ret = ath11k_wmi_vdev_down(ar, ar->monitor_vdev_id); 1008 if (ret) { 1009 ath11k_warn(ar->ab, "failed to put down monitor vdev %i: %d\n", 1010 ar->monitor_vdev_id, ret); 1011 return ret; 1012 } 1013 1014 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor vdev %i stopped\n", 1015 ar->monitor_vdev_id); 1016 1017 return 0; 1018 } 1019 1020 static int ath11k_mac_monitor_vdev_create(struct ath11k *ar) 1021 { 1022 struct ath11k_pdev *pdev = ar->pdev; 1023 struct vdev_create_params param = {}; 1024 int bit, ret; 1025 u8 tmp_addr[6] = {0}; 1026 u16 nss; 1027 1028 lockdep_assert_held(&ar->conf_mutex); 1029 1030 if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) 1031 return 0; 1032 1033 if (ar->ab->free_vdev_map == 0) { 1034 ath11k_warn(ar->ab, "failed to find free vdev id for monitor vdev\n"); 1035 return -ENOMEM; 1036 } 1037 1038 bit = __ffs64(ar->ab->free_vdev_map); 1039 1040 ar->monitor_vdev_id = bit; 1041 1042 param.if_id = ar->monitor_vdev_id; 1043 param.type = WMI_VDEV_TYPE_MONITOR; 1044 param.subtype = WMI_VDEV_SUBTYPE_NONE; 1045 param.pdev_id = pdev->pdev_id; 1046 1047 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) { 1048 param.chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains; 1049 param.chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains; 1050 } 1051 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) { 1052 param.chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains; 1053 param.chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains; 1054 } 1055 1056 ret = ath11k_wmi_vdev_create(ar, tmp_addr, ¶m); 1057 if (ret) { 1058 ath11k_warn(ar->ab, "failed to request monitor vdev %i creation: %d\n", 1059 ar->monitor_vdev_id, ret); 1060 ar->monitor_vdev_id = -1; 1061 return ret; 1062 } 1063 1064 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1; 1065 ret = ath11k_wmi_vdev_set_param_cmd(ar, ar->monitor_vdev_id, 1066 WMI_VDEV_PARAM_NSS, nss); 1067 if (ret) { 1068 ath11k_warn(ar->ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n", 1069 ar->monitor_vdev_id, ar->cfg_tx_chainmask, nss, ret); 1070 goto err_vdev_del; 1071 } 1072 1073 ret = ath11k_mac_txpower_recalc(ar); 1074 if (ret) { 1075 ath11k_warn(ar->ab, "failed to recalc txpower for monitor vdev %d: %d\n", 1076 ar->monitor_vdev_id, ret); 1077 goto err_vdev_del; 1078 } 1079 1080 ar->allocated_vdev_map |= 1LL << ar->monitor_vdev_id; 1081 ar->ab->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); 1082 ar->num_created_vdevs++; 1083 set_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 1084 1085 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor vdev %d created\n", 1086 ar->monitor_vdev_id); 1087 1088 return 0; 1089 1090 err_vdev_del: 1091 ath11k_wmi_vdev_delete(ar, ar->monitor_vdev_id); 1092 ar->monitor_vdev_id = -1; 1093 return ret; 1094 } 1095 1096 static int ath11k_mac_monitor_vdev_delete(struct ath11k *ar) 1097 { 1098 int ret; 1099 unsigned long time_left; 1100 1101 lockdep_assert_held(&ar->conf_mutex); 1102 1103 if (!test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) 1104 return 0; 1105 1106 reinit_completion(&ar->vdev_delete_done); 1107 1108 ret = ath11k_wmi_vdev_delete(ar, ar->monitor_vdev_id); 1109 if (ret) { 1110 ath11k_warn(ar->ab, "failed to request wmi monitor vdev %i removal: %d\n", 1111 ar->monitor_vdev_id, ret); 1112 return ret; 1113 } 1114 1115 time_left = wait_for_completion_timeout(&ar->vdev_delete_done, 1116 ATH11K_VDEV_DELETE_TIMEOUT_HZ); 1117 if (time_left == 0) { 1118 ath11k_warn(ar->ab, "Timeout in receiving vdev delete response\n"); 1119 } else { 1120 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor vdev %d deleted\n", 1121 ar->monitor_vdev_id); 1122 1123 ar->allocated_vdev_map &= ~(1LL << ar->monitor_vdev_id); 1124 ar->ab->free_vdev_map |= 1LL << (ar->monitor_vdev_id); 1125 ar->num_created_vdevs--; 1126 ar->monitor_vdev_id = -1; 1127 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 1128 } 1129 1130 return ret; 1131 } 1132 1133 static int ath11k_mac_monitor_start(struct ath11k *ar) 1134 { 1135 struct cfg80211_chan_def *chandef = NULL; 1136 int ret; 1137 1138 lockdep_assert_held(&ar->conf_mutex); 1139 1140 if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) 1141 return 0; 1142 1143 ieee80211_iter_chan_contexts_atomic(ar->hw, 1144 ath11k_mac_get_any_chandef_iter, 1145 &chandef); 1146 if (!chandef) 1147 return 0; 1148 1149 ret = ath11k_mac_monitor_vdev_start(ar, ar->monitor_vdev_id, chandef); 1150 if (ret) { 1151 ath11k_warn(ar->ab, "failed to start monitor vdev: %d\n", ret); 1152 ath11k_mac_monitor_vdev_delete(ar); 1153 return ret; 1154 } 1155 1156 set_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags); 1157 1158 ar->num_started_vdevs++; 1159 ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, false); 1160 if (ret) { 1161 ath11k_warn(ar->ab, "failed to configure htt monitor mode ring during start: %d", 1162 ret); 1163 return ret; 1164 } 1165 1166 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor started\n"); 1167 1168 return 0; 1169 } 1170 1171 static int ath11k_mac_monitor_stop(struct ath11k *ar) 1172 { 1173 int ret; 1174 1175 lockdep_assert_held(&ar->conf_mutex); 1176 1177 if (!test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) 1178 return 0; 1179 1180 ret = ath11k_mac_monitor_vdev_stop(ar); 1181 if (ret) { 1182 ath11k_warn(ar->ab, "failed to stop monitor vdev: %d\n", ret); 1183 return ret; 1184 } 1185 1186 clear_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags); 1187 ar->num_started_vdevs--; 1188 1189 ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, true); 1190 if (ret) { 1191 ath11k_warn(ar->ab, "failed to configure htt monitor mode ring during stop: %d", 1192 ret); 1193 return ret; 1194 } 1195 1196 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor stopped ret %d\n", ret); 1197 1198 return 0; 1199 } 1200 1201 static int ath11k_mac_vif_setup_ps(struct ath11k_vif *arvif) 1202 { 1203 struct ath11k *ar = arvif->ar; 1204 struct ieee80211_vif *vif = arvif->vif; 1205 struct ieee80211_conf *conf = &ar->hw->conf; 1206 enum wmi_sta_powersave_param param; 1207 enum wmi_sta_ps_mode psmode; 1208 int ret; 1209 int timeout; 1210 bool enable_ps; 1211 1212 lockdep_assert_held(&arvif->ar->conf_mutex); 1213 1214 if (arvif->vif->type != NL80211_IFTYPE_STATION) 1215 return 0; 1216 1217 enable_ps = arvif->ps; 1218 1219 if (!arvif->is_started) { 1220 /* mac80211 can update vif powersave state while disconnected. 1221 * Firmware doesn't behave nicely and consumes more power than 1222 * necessary if PS is disabled on a non-started vdev. Hence 1223 * force-enable PS for non-running vdevs. 1224 */ 1225 psmode = WMI_STA_PS_MODE_ENABLED; 1226 } else if (enable_ps) { 1227 psmode = WMI_STA_PS_MODE_ENABLED; 1228 param = WMI_STA_PS_PARAM_INACTIVITY_TIME; 1229 1230 timeout = conf->dynamic_ps_timeout; 1231 if (timeout == 0) { 1232 /* firmware doesn't like 0 */ 1233 timeout = ieee80211_tu_to_usec(vif->bss_conf.beacon_int) / 1000; 1234 } 1235 1236 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, 1237 timeout); 1238 if (ret) { 1239 ath11k_warn(ar->ab, "failed to set inactivity time for vdev %d: %i\n", 1240 arvif->vdev_id, ret); 1241 return ret; 1242 } 1243 } else { 1244 psmode = WMI_STA_PS_MODE_DISABLED; 1245 } 1246 1247 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d psmode %s\n", 1248 arvif->vdev_id, psmode ? "enable" : "disable"); 1249 1250 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, psmode); 1251 if (ret) { 1252 ath11k_warn(ar->ab, "failed to set sta power save mode %d for vdev %d: %d\n", 1253 psmode, arvif->vdev_id, ret); 1254 return ret; 1255 } 1256 1257 return 0; 1258 } 1259 1260 static int ath11k_mac_config_ps(struct ath11k *ar) 1261 { 1262 struct ath11k_vif *arvif; 1263 int ret = 0; 1264 1265 lockdep_assert_held(&ar->conf_mutex); 1266 1267 list_for_each_entry(arvif, &ar->arvifs, list) { 1268 ret = ath11k_mac_vif_setup_ps(arvif); 1269 if (ret) { 1270 ath11k_warn(ar->ab, "failed to setup powersave: %d\n", ret); 1271 break; 1272 } 1273 } 1274 1275 return ret; 1276 } 1277 1278 static int ath11k_mac_op_config(struct ieee80211_hw *hw, u32 changed) 1279 { 1280 struct ath11k *ar = hw->priv; 1281 struct ieee80211_conf *conf = &hw->conf; 1282 int ret = 0; 1283 1284 mutex_lock(&ar->conf_mutex); 1285 1286 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 1287 if (conf->flags & IEEE80211_CONF_MONITOR) { 1288 set_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags); 1289 1290 if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, 1291 &ar->monitor_flags)) 1292 goto out; 1293 1294 ret = ath11k_mac_monitor_vdev_create(ar); 1295 if (ret) { 1296 ath11k_warn(ar->ab, "failed to create monitor vdev: %d", 1297 ret); 1298 goto out; 1299 } 1300 1301 ret = ath11k_mac_monitor_start(ar); 1302 if (ret) { 1303 ath11k_warn(ar->ab, "failed to start monitor: %d", 1304 ret); 1305 goto err_mon_del; 1306 } 1307 } else { 1308 clear_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags); 1309 1310 if (!test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, 1311 &ar->monitor_flags)) 1312 goto out; 1313 1314 ret = ath11k_mac_monitor_stop(ar); 1315 if (ret) { 1316 ath11k_warn(ar->ab, "failed to stop monitor: %d", 1317 ret); 1318 goto out; 1319 } 1320 1321 ret = ath11k_mac_monitor_vdev_delete(ar); 1322 if (ret) { 1323 ath11k_warn(ar->ab, "failed to delete monitor vdev: %d", 1324 ret); 1325 goto out; 1326 } 1327 } 1328 } 1329 1330 out: 1331 mutex_unlock(&ar->conf_mutex); 1332 return ret; 1333 1334 err_mon_del: 1335 ath11k_mac_monitor_vdev_delete(ar); 1336 mutex_unlock(&ar->conf_mutex); 1337 return ret; 1338 } 1339 1340 static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif) 1341 { 1342 struct ath11k *ar = arvif->ar; 1343 struct ath11k_base *ab = ar->ab; 1344 struct ieee80211_hw *hw = ar->hw; 1345 struct ieee80211_vif *vif = arvif->vif; 1346 struct ieee80211_mutable_offsets offs = {}; 1347 struct sk_buff *bcn; 1348 struct ieee80211_mgmt *mgmt; 1349 u8 *ies; 1350 int ret; 1351 1352 if (arvif->vdev_type != WMI_VDEV_TYPE_AP) 1353 return 0; 1354 1355 bcn = ieee80211_beacon_get_template(hw, vif, &offs); 1356 if (!bcn) { 1357 ath11k_warn(ab, "failed to get beacon template from mac80211\n"); 1358 return -EPERM; 1359 } 1360 1361 ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn); 1362 ies += sizeof(mgmt->u.beacon); 1363 1364 if (cfg80211_find_ie(WLAN_EID_RSN, ies, (skb_tail_pointer(bcn) - ies))) 1365 arvif->rsnie_present = true; 1366 else 1367 arvif->rsnie_present = false; 1368 1369 if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, 1370 WLAN_OUI_TYPE_MICROSOFT_WPA, 1371 ies, (skb_tail_pointer(bcn) - ies))) 1372 arvif->wpaie_present = true; 1373 else 1374 arvif->wpaie_present = false; 1375 1376 ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn); 1377 1378 kfree_skb(bcn); 1379 1380 if (ret) 1381 ath11k_warn(ab, "failed to submit beacon template command: %d\n", 1382 ret); 1383 1384 return ret; 1385 } 1386 1387 void ath11k_mac_bcn_tx_event(struct ath11k_vif *arvif) 1388 { 1389 struct ieee80211_vif *vif = arvif->vif; 1390 1391 if (!vif->color_change_active && !arvif->bcca_zero_sent) 1392 return; 1393 1394 if (vif->color_change_active && ieee80211_beacon_cntdwn_is_complete(vif)) { 1395 arvif->bcca_zero_sent = true; 1396 ieee80211_color_change_finish(vif); 1397 return; 1398 } 1399 1400 arvif->bcca_zero_sent = false; 1401 1402 if (vif->color_change_active) 1403 ieee80211_beacon_update_cntdwn(vif); 1404 ath11k_mac_setup_bcn_tmpl(arvif); 1405 } 1406 1407 static void ath11k_control_beaconing(struct ath11k_vif *arvif, 1408 struct ieee80211_bss_conf *info) 1409 { 1410 struct ath11k *ar = arvif->ar; 1411 int ret = 0; 1412 1413 lockdep_assert_held(&arvif->ar->conf_mutex); 1414 1415 if (!info->enable_beacon) { 1416 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id); 1417 if (ret) 1418 ath11k_warn(ar->ab, "failed to down vdev_id %i: %d\n", 1419 arvif->vdev_id, ret); 1420 1421 arvif->is_up = false; 1422 return; 1423 } 1424 1425 /* Install the beacon template to the FW */ 1426 ret = ath11k_mac_setup_bcn_tmpl(arvif); 1427 if (ret) { 1428 ath11k_warn(ar->ab, "failed to update bcn tmpl during vdev up: %d\n", 1429 ret); 1430 return; 1431 } 1432 1433 arvif->tx_seq_no = 0x1000; 1434 1435 arvif->aid = 0; 1436 1437 ether_addr_copy(arvif->bssid, info->bssid); 1438 1439 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 1440 arvif->bssid); 1441 if (ret) { 1442 ath11k_warn(ar->ab, "failed to bring up vdev %d: %i\n", 1443 arvif->vdev_id, ret); 1444 return; 1445 } 1446 1447 arvif->is_up = true; 1448 1449 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); 1450 } 1451 1452 static void ath11k_mac_handle_beacon_iter(void *data, u8 *mac, 1453 struct ieee80211_vif *vif) 1454 { 1455 struct sk_buff *skb = data; 1456 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1457 struct ath11k_vif *arvif = (void *)vif->drv_priv; 1458 1459 if (vif->type != NL80211_IFTYPE_STATION) 1460 return; 1461 1462 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid)) 1463 return; 1464 1465 cancel_delayed_work(&arvif->connection_loss_work); 1466 } 1467 1468 void ath11k_mac_handle_beacon(struct ath11k *ar, struct sk_buff *skb) 1469 { 1470 ieee80211_iterate_active_interfaces_atomic(ar->hw, 1471 IEEE80211_IFACE_ITER_NORMAL, 1472 ath11k_mac_handle_beacon_iter, 1473 skb); 1474 } 1475 1476 static void ath11k_mac_handle_beacon_miss_iter(void *data, u8 *mac, 1477 struct ieee80211_vif *vif) 1478 { 1479 u32 *vdev_id = data; 1480 struct ath11k_vif *arvif = (void *)vif->drv_priv; 1481 struct ath11k *ar = arvif->ar; 1482 struct ieee80211_hw *hw = ar->hw; 1483 1484 if (arvif->vdev_id != *vdev_id) 1485 return; 1486 1487 if (!arvif->is_up) 1488 return; 1489 1490 ieee80211_beacon_loss(vif); 1491 1492 /* Firmware doesn't report beacon loss events repeatedly. If AP probe 1493 * (done by mac80211) succeeds but beacons do not resume then it 1494 * doesn't make sense to continue operation. Queue connection loss work 1495 * which can be cancelled when beacon is received. 1496 */ 1497 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work, 1498 ATH11K_CONNECTION_LOSS_HZ); 1499 } 1500 1501 void ath11k_mac_handle_beacon_miss(struct ath11k *ar, u32 vdev_id) 1502 { 1503 ieee80211_iterate_active_interfaces_atomic(ar->hw, 1504 IEEE80211_IFACE_ITER_NORMAL, 1505 ath11k_mac_handle_beacon_miss_iter, 1506 &vdev_id); 1507 } 1508 1509 static void ath11k_mac_vif_sta_connection_loss_work(struct work_struct *work) 1510 { 1511 struct ath11k_vif *arvif = container_of(work, struct ath11k_vif, 1512 connection_loss_work.work); 1513 struct ieee80211_vif *vif = arvif->vif; 1514 1515 if (!arvif->is_up) 1516 return; 1517 1518 ieee80211_connection_loss(vif); 1519 } 1520 1521 static void ath11k_peer_assoc_h_basic(struct ath11k *ar, 1522 struct ieee80211_vif *vif, 1523 struct ieee80211_sta *sta, 1524 struct peer_assoc_params *arg) 1525 { 1526 struct ath11k_vif *arvif = (void *)vif->drv_priv; 1527 u32 aid; 1528 1529 lockdep_assert_held(&ar->conf_mutex); 1530 1531 if (vif->type == NL80211_IFTYPE_STATION) 1532 aid = vif->bss_conf.aid; 1533 else 1534 aid = sta->aid; 1535 1536 ether_addr_copy(arg->peer_mac, sta->addr); 1537 arg->vdev_id = arvif->vdev_id; 1538 arg->peer_associd = aid; 1539 arg->auth_flag = true; 1540 /* TODO: STA WAR in ath10k for listen interval required? */ 1541 arg->peer_listen_intval = ar->hw->conf.listen_interval; 1542 arg->peer_nss = 1; 1543 arg->peer_caps = vif->bss_conf.assoc_capability; 1544 } 1545 1546 static void ath11k_peer_assoc_h_crypto(struct ath11k *ar, 1547 struct ieee80211_vif *vif, 1548 struct ieee80211_sta *sta, 1549 struct peer_assoc_params *arg) 1550 { 1551 struct ieee80211_bss_conf *info = &vif->bss_conf; 1552 struct cfg80211_chan_def def; 1553 struct cfg80211_bss *bss; 1554 struct ath11k_vif *arvif = (struct ath11k_vif *)vif->drv_priv; 1555 const u8 *rsnie = NULL; 1556 const u8 *wpaie = NULL; 1557 1558 lockdep_assert_held(&ar->conf_mutex); 1559 1560 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 1561 return; 1562 1563 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0, 1564 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); 1565 1566 if (arvif->rsnie_present || arvif->wpaie_present) { 1567 arg->need_ptk_4_way = true; 1568 if (arvif->wpaie_present) 1569 arg->need_gtk_2_way = true; 1570 } else if (bss) { 1571 const struct cfg80211_bss_ies *ies; 1572 1573 rcu_read_lock(); 1574 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); 1575 1576 ies = rcu_dereference(bss->ies); 1577 1578 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, 1579 WLAN_OUI_TYPE_MICROSOFT_WPA, 1580 ies->data, 1581 ies->len); 1582 rcu_read_unlock(); 1583 cfg80211_put_bss(ar->hw->wiphy, bss); 1584 } 1585 1586 /* FIXME: base on RSN IE/WPA IE is a correct idea? */ 1587 if (rsnie || wpaie) { 1588 ath11k_dbg(ar->ab, ATH11K_DBG_WMI, 1589 "%s: rsn ie found\n", __func__); 1590 arg->need_ptk_4_way = true; 1591 } 1592 1593 if (wpaie) { 1594 ath11k_dbg(ar->ab, ATH11K_DBG_WMI, 1595 "%s: wpa ie found\n", __func__); 1596 arg->need_gtk_2_way = true; 1597 } 1598 1599 if (sta->mfp) { 1600 /* TODO: Need to check if FW supports PMF? */ 1601 arg->is_pmf_enabled = true; 1602 } 1603 1604 /* TODO: safe_mode_enabled (bypass 4-way handshake) flag req? */ 1605 } 1606 1607 static void ath11k_peer_assoc_h_rates(struct ath11k *ar, 1608 struct ieee80211_vif *vif, 1609 struct ieee80211_sta *sta, 1610 struct peer_assoc_params *arg) 1611 { 1612 struct ath11k_vif *arvif = (void *)vif->drv_priv; 1613 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; 1614 struct cfg80211_chan_def def; 1615 const struct ieee80211_supported_band *sband; 1616 const struct ieee80211_rate *rates; 1617 enum nl80211_band band; 1618 u32 ratemask; 1619 u8 rate; 1620 int i; 1621 1622 lockdep_assert_held(&ar->conf_mutex); 1623 1624 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 1625 return; 1626 1627 band = def.chan->band; 1628 sband = ar->hw->wiphy->bands[band]; 1629 ratemask = sta->supp_rates[band]; 1630 ratemask &= arvif->bitrate_mask.control[band].legacy; 1631 rates = sband->bitrates; 1632 1633 rateset->num_rates = 0; 1634 1635 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { 1636 if (!(ratemask & 1)) 1637 continue; 1638 1639 rate = ath11k_mac_bitrate_to_rate(rates->bitrate); 1640 rateset->rates[rateset->num_rates] = rate; 1641 rateset->num_rates++; 1642 } 1643 } 1644 1645 static bool 1646 ath11k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) 1647 { 1648 int nss; 1649 1650 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++) 1651 if (ht_mcs_mask[nss]) 1652 return false; 1653 1654 return true; 1655 } 1656 1657 static bool 1658 ath11k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[]) 1659 { 1660 int nss; 1661 1662 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) 1663 if (vht_mcs_mask[nss]) 1664 return false; 1665 1666 return true; 1667 } 1668 1669 static void ath11k_peer_assoc_h_ht(struct ath11k *ar, 1670 struct ieee80211_vif *vif, 1671 struct ieee80211_sta *sta, 1672 struct peer_assoc_params *arg) 1673 { 1674 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; 1675 struct ath11k_vif *arvif = (void *)vif->drv_priv; 1676 struct cfg80211_chan_def def; 1677 enum nl80211_band band; 1678 const u8 *ht_mcs_mask; 1679 int i, n; 1680 u8 max_nss; 1681 u32 stbc; 1682 1683 lockdep_assert_held(&ar->conf_mutex); 1684 1685 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 1686 return; 1687 1688 if (!ht_cap->ht_supported) 1689 return; 1690 1691 band = def.chan->band; 1692 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 1693 1694 if (ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) 1695 return; 1696 1697 arg->ht_flag = true; 1698 1699 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + 1700 ht_cap->ampdu_factor)) - 1; 1701 1702 arg->peer_mpdu_density = 1703 ath11k_parse_mpdudensity(ht_cap->ampdu_density); 1704 1705 arg->peer_ht_caps = ht_cap->cap; 1706 arg->peer_rate_caps |= WMI_HOST_RC_HT_FLAG; 1707 1708 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) 1709 arg->ldpc_flag = true; 1710 1711 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { 1712 arg->bw_40 = true; 1713 arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG; 1714 } 1715 1716 /* As firmware handles this two flags (IEEE80211_HT_CAP_SGI_20 1717 * and IEEE80211_HT_CAP_SGI_40) for enabling SGI, we reset 1718 * both flags if guard interval is Default GI 1719 */ 1720 if (arvif->bitrate_mask.control[band].gi == NL80211_TXRATE_DEFAULT_GI) 1721 arg->peer_ht_caps &= ~(IEEE80211_HT_CAP_SGI_20 | 1722 IEEE80211_HT_CAP_SGI_40); 1723 1724 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) { 1725 if (ht_cap->cap & (IEEE80211_HT_CAP_SGI_20 | 1726 IEEE80211_HT_CAP_SGI_40)) 1727 arg->peer_rate_caps |= WMI_HOST_RC_SGI_FLAG; 1728 } 1729 1730 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { 1731 arg->peer_rate_caps |= WMI_HOST_RC_TX_STBC_FLAG; 1732 arg->stbc_flag = true; 1733 } 1734 1735 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { 1736 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; 1737 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; 1738 stbc = stbc << WMI_HOST_RC_RX_STBC_FLAG_S; 1739 arg->peer_rate_caps |= stbc; 1740 arg->stbc_flag = true; 1741 } 1742 1743 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) 1744 arg->peer_rate_caps |= WMI_HOST_RC_TS_FLAG; 1745 else if (ht_cap->mcs.rx_mask[1]) 1746 arg->peer_rate_caps |= WMI_HOST_RC_DS_FLAG; 1747 1748 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++) 1749 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) && 1750 (ht_mcs_mask[i / 8] & BIT(i % 8))) { 1751 max_nss = (i / 8) + 1; 1752 arg->peer_ht_rates.rates[n++] = i; 1753 } 1754 1755 /* This is a workaround for HT-enabled STAs which break the spec 1756 * and have no HT capabilities RX mask (no HT RX MCS map). 1757 * 1758 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), 1759 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. 1760 * 1761 * Firmware asserts if such situation occurs. 1762 */ 1763 if (n == 0) { 1764 arg->peer_ht_rates.num_rates = 8; 1765 for (i = 0; i < arg->peer_ht_rates.num_rates; i++) 1766 arg->peer_ht_rates.rates[i] = i; 1767 } else { 1768 arg->peer_ht_rates.num_rates = n; 1769 arg->peer_nss = min(sta->rx_nss, max_nss); 1770 } 1771 1772 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", 1773 arg->peer_mac, 1774 arg->peer_ht_rates.num_rates, 1775 arg->peer_nss); 1776 } 1777 1778 static int ath11k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss) 1779 { 1780 switch ((mcs_map >> (2 * nss)) & 0x3) { 1781 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1; 1782 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1; 1783 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1; 1784 } 1785 return 0; 1786 } 1787 1788 static u16 1789 ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set, 1790 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX]) 1791 { 1792 int idx_limit; 1793 int nss; 1794 u16 mcs_map; 1795 u16 mcs; 1796 1797 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { 1798 mcs_map = ath11k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) & 1799 vht_mcs_limit[nss]; 1800 1801 if (mcs_map) 1802 idx_limit = fls(mcs_map) - 1; 1803 else 1804 idx_limit = -1; 1805 1806 switch (idx_limit) { 1807 case 0: 1808 case 1: 1809 case 2: 1810 case 3: 1811 case 4: 1812 case 5: 1813 case 6: 1814 case 7: 1815 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7; 1816 break; 1817 case 8: 1818 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8; 1819 break; 1820 case 9: 1821 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9; 1822 break; 1823 default: 1824 WARN_ON(1); 1825 fallthrough; 1826 case -1: 1827 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED; 1828 break; 1829 } 1830 1831 tx_mcs_set &= ~(0x3 << (nss * 2)); 1832 tx_mcs_set |= mcs << (nss * 2); 1833 } 1834 1835 return tx_mcs_set; 1836 } 1837 1838 static u8 ath11k_get_nss_160mhz(struct ath11k *ar, 1839 u8 max_nss) 1840 { 1841 u8 nss_ratio_info = ar->pdev->cap.nss_ratio_info; 1842 u8 max_sup_nss = 0; 1843 1844 switch (nss_ratio_info) { 1845 case WMI_NSS_RATIO_1BY2_NSS: 1846 max_sup_nss = max_nss >> 1; 1847 break; 1848 case WMI_NSS_RATIO_3BY4_NSS: 1849 ath11k_warn(ar->ab, "WMI_NSS_RATIO_3BY4_NSS not supported\n"); 1850 break; 1851 case WMI_NSS_RATIO_1_NSS: 1852 max_sup_nss = max_nss; 1853 break; 1854 case WMI_NSS_RATIO_2_NSS: 1855 ath11k_warn(ar->ab, "WMI_NSS_RATIO_2_NSS not supported\n"); 1856 break; 1857 default: 1858 ath11k_warn(ar->ab, "invalid nss ratio received from firmware: %d\n", 1859 nss_ratio_info); 1860 break; 1861 } 1862 1863 return max_sup_nss; 1864 } 1865 1866 static void ath11k_peer_assoc_h_vht(struct ath11k *ar, 1867 struct ieee80211_vif *vif, 1868 struct ieee80211_sta *sta, 1869 struct peer_assoc_params *arg) 1870 { 1871 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; 1872 struct ath11k_vif *arvif = (void *)vif->drv_priv; 1873 struct cfg80211_chan_def def; 1874 enum nl80211_band band; 1875 u16 *vht_mcs_mask; 1876 u8 ampdu_factor; 1877 u8 max_nss, vht_mcs; 1878 int i, vht_nss, nss_idx; 1879 bool user_rate_valid = true; 1880 u32 rx_nss, tx_nss, nss_160; 1881 1882 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 1883 return; 1884 1885 if (!vht_cap->vht_supported) 1886 return; 1887 1888 band = def.chan->band; 1889 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 1890 1891 if (ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) 1892 return; 1893 1894 arg->vht_flag = true; 1895 1896 /* TODO: similar flags required? */ 1897 arg->vht_capable = true; 1898 1899 if (def.chan->band == NL80211_BAND_2GHZ) 1900 arg->vht_ng_flag = true; 1901 1902 arg->peer_vht_caps = vht_cap->cap; 1903 1904 ampdu_factor = (vht_cap->cap & 1905 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 1906 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; 1907 1908 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to 1909 * zero in VHT IE. Using it would result in degraded throughput. 1910 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep 1911 * it if VHT max_mpdu is smaller. 1912 */ 1913 arg->peer_max_mpdu = max(arg->peer_max_mpdu, 1914 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + 1915 ampdu_factor)) - 1); 1916 1917 if (sta->bandwidth == IEEE80211_STA_RX_BW_80) 1918 arg->bw_80 = true; 1919 1920 if (sta->bandwidth == IEEE80211_STA_RX_BW_160) 1921 arg->bw_160 = true; 1922 1923 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask); 1924 1925 if (vht_nss > sta->rx_nss) { 1926 user_rate_valid = false; 1927 for (nss_idx = sta->rx_nss - 1; nss_idx >= 0; nss_idx--) { 1928 if (vht_mcs_mask[nss_idx]) { 1929 user_rate_valid = true; 1930 break; 1931 } 1932 } 1933 } 1934 1935 if (!user_rate_valid) { 1936 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac setting vht range mcs value to peer supported nss %d for peer %pM\n", 1937 sta->rx_nss, sta->addr); 1938 vht_mcs_mask[sta->rx_nss - 1] = vht_mcs_mask[vht_nss - 1]; 1939 } 1940 1941 /* Calculate peer NSS capability from VHT capabilities if STA 1942 * supports VHT. 1943 */ 1944 for (i = 0, max_nss = 0, vht_mcs = 0; i < NL80211_VHT_NSS_MAX; i++) { 1945 vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >> 1946 (2 * i) & 3; 1947 1948 if (vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED && 1949 vht_mcs_mask[i]) 1950 max_nss = i + 1; 1951 } 1952 arg->peer_nss = min(sta->rx_nss, max_nss); 1953 arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest); 1954 arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); 1955 arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest); 1956 arg->tx_mcs_set = ath11k_peer_assoc_h_vht_limit( 1957 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask); 1958 1959 /* In IPQ8074 platform, VHT mcs rate 10 and 11 is enabled by default. 1960 * VHT mcs rate 10 and 11 is not suppoerted in 11ac standard. 1961 * so explicitly disable the VHT MCS rate 10 and 11 in 11ac mode. 1962 */ 1963 arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK; 1964 arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11; 1965 1966 if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) == 1967 IEEE80211_VHT_MCS_NOT_SUPPORTED) 1968 arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE; 1969 1970 /* TODO: Check */ 1971 arg->tx_max_mcs_nss = 0xFF; 1972 1973 if (arg->peer_phymode == MODE_11AC_VHT160 || 1974 arg->peer_phymode == MODE_11AC_VHT80_80) { 1975 tx_nss = ath11k_get_nss_160mhz(ar, max_nss); 1976 rx_nss = min(arg->peer_nss, tx_nss); 1977 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE; 1978 1979 if (!rx_nss) { 1980 ath11k_warn(ar->ab, "invalid max_nss\n"); 1981 return; 1982 } 1983 1984 if (arg->peer_phymode == MODE_11AC_VHT160) 1985 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1); 1986 else 1987 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1); 1988 1989 arg->peer_bw_rxnss_override |= nss_160; 1990 } 1991 1992 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 1993 "mac vht peer %pM max_mpdu %d flags 0x%x nss_override 0x%x\n", 1994 sta->addr, arg->peer_max_mpdu, arg->peer_flags, 1995 arg->peer_bw_rxnss_override); 1996 } 1997 1998 static int ath11k_mac_get_max_he_mcs_map(u16 mcs_map, int nss) 1999 { 2000 switch ((mcs_map >> (2 * nss)) & 0x3) { 2001 case IEEE80211_HE_MCS_SUPPORT_0_7: return BIT(8) - 1; 2002 case IEEE80211_HE_MCS_SUPPORT_0_9: return BIT(10) - 1; 2003 case IEEE80211_HE_MCS_SUPPORT_0_11: return BIT(12) - 1; 2004 } 2005 return 0; 2006 } 2007 2008 static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set, 2009 const u16 he_mcs_limit[NL80211_HE_NSS_MAX]) 2010 { 2011 int idx_limit; 2012 int nss; 2013 u16 mcs_map; 2014 u16 mcs; 2015 2016 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) { 2017 mcs_map = ath11k_mac_get_max_he_mcs_map(tx_mcs_set, nss) & 2018 he_mcs_limit[nss]; 2019 2020 if (mcs_map) 2021 idx_limit = fls(mcs_map) - 1; 2022 else 2023 idx_limit = -1; 2024 2025 switch (idx_limit) { 2026 case 0 ... 7: 2027 mcs = IEEE80211_HE_MCS_SUPPORT_0_7; 2028 break; 2029 case 8: 2030 case 9: 2031 mcs = IEEE80211_HE_MCS_SUPPORT_0_9; 2032 break; 2033 case 10: 2034 case 11: 2035 mcs = IEEE80211_HE_MCS_SUPPORT_0_11; 2036 break; 2037 default: 2038 WARN_ON(1); 2039 fallthrough; 2040 case -1: 2041 mcs = IEEE80211_HE_MCS_NOT_SUPPORTED; 2042 break; 2043 } 2044 2045 tx_mcs_set &= ~(0x3 << (nss * 2)); 2046 tx_mcs_set |= mcs << (nss * 2); 2047 } 2048 2049 return tx_mcs_set; 2050 } 2051 2052 static bool 2053 ath11k_peer_assoc_h_he_masked(const u16 he_mcs_mask[NL80211_HE_NSS_MAX]) 2054 { 2055 int nss; 2056 2057 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) 2058 if (he_mcs_mask[nss]) 2059 return false; 2060 2061 return true; 2062 } 2063 2064 static void ath11k_peer_assoc_h_he(struct ath11k *ar, 2065 struct ieee80211_vif *vif, 2066 struct ieee80211_sta *sta, 2067 struct peer_assoc_params *arg) 2068 { 2069 struct ath11k_vif *arvif = (void *)vif->drv_priv; 2070 struct cfg80211_chan_def def; 2071 const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; 2072 enum nl80211_band band; 2073 u16 *he_mcs_mask; 2074 u8 max_nss, he_mcs; 2075 u16 he_tx_mcs = 0, v = 0; 2076 int i, he_nss, nss_idx; 2077 bool user_rate_valid = true; 2078 u32 rx_nss, tx_nss, nss_160; 2079 u8 ampdu_factor, rx_mcs_80, rx_mcs_160; 2080 u16 mcs_160_map, mcs_80_map; 2081 bool support_160; 2082 2083 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 2084 return; 2085 2086 if (!he_cap->has_he) 2087 return; 2088 2089 band = def.chan->band; 2090 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs; 2091 2092 if (ath11k_peer_assoc_h_he_masked(he_mcs_mask)) 2093 return; 2094 2095 arg->he_flag = true; 2096 support_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] & 2097 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G); 2098 2099 /* Supported HE-MCS and NSS Set of peer he_cap is intersection with self he_cp */ 2100 mcs_160_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160); 2101 mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80); 2102 2103 if (support_160) { 2104 for (i = 7; i >= 0; i--) { 2105 u8 mcs_160 = (mcs_160_map >> (2 * i)) & 3; 2106 2107 if (mcs_160 != IEEE80211_VHT_MCS_NOT_SUPPORTED) { 2108 rx_mcs_160 = i + 1; 2109 break; 2110 } 2111 } 2112 } 2113 2114 for (i = 7; i >= 0; i--) { 2115 u8 mcs_80 = (mcs_80_map >> (2 * i)) & 3; 2116 2117 if (mcs_80 != IEEE80211_VHT_MCS_NOT_SUPPORTED) { 2118 rx_mcs_80 = i + 1; 2119 break; 2120 } 2121 } 2122 2123 if (support_160) 2124 max_nss = min(rx_mcs_80, rx_mcs_160); 2125 else 2126 max_nss = rx_mcs_80; 2127 2128 arg->peer_nss = min(sta->rx_nss, max_nss); 2129 2130 memcpy_and_pad(&arg->peer_he_cap_macinfo, 2131 sizeof(arg->peer_he_cap_macinfo), 2132 he_cap->he_cap_elem.mac_cap_info, 2133 sizeof(he_cap->he_cap_elem.mac_cap_info), 2134 0); 2135 memcpy_and_pad(&arg->peer_he_cap_phyinfo, 2136 sizeof(arg->peer_he_cap_phyinfo), 2137 he_cap->he_cap_elem.phy_cap_info, 2138 sizeof(he_cap->he_cap_elem.phy_cap_info), 2139 0); 2140 arg->peer_he_ops = vif->bss_conf.he_oper.params; 2141 2142 /* the top most byte is used to indicate BSS color info */ 2143 arg->peer_he_ops &= 0xffffff; 2144 2145 /* As per section 26.6.1 11ax Draft5.0, if the Max AMPDU Exponent Extension 2146 * in HE cap is zero, use the arg->peer_max_mpdu as calculated while parsing 2147 * VHT caps(if VHT caps is present) or HT caps (if VHT caps is not present). 2148 * 2149 * For non-zero value of Max AMPDU Extponent Extension in HE MAC caps, 2150 * if a HE STA sends VHT cap and HE cap IE in assoc request then, use 2151 * MAX_AMPDU_LEN_FACTOR as 20 to calculate max_ampdu length. 2152 * If a HE STA that does not send VHT cap, but HE and HT cap in assoc 2153 * request, then use MAX_AMPDU_LEN_FACTOR as 16 to calculate max_ampdu 2154 * length. 2155 */ 2156 ampdu_factor = u8_get_bits(he_cap->he_cap_elem.mac_cap_info[3], 2157 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK); 2158 2159 if (ampdu_factor) { 2160 if (sta->vht_cap.vht_supported) 2161 arg->peer_max_mpdu = (1 << (IEEE80211_HE_VHT_MAX_AMPDU_FACTOR + 2162 ampdu_factor)) - 1; 2163 else if (sta->ht_cap.ht_supported) 2164 arg->peer_max_mpdu = (1 << (IEEE80211_HE_HT_MAX_AMPDU_FACTOR + 2165 ampdu_factor)) - 1; 2166 } 2167 2168 if (he_cap->he_cap_elem.phy_cap_info[6] & 2169 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2170 int bit = 7; 2171 int nss, ru; 2172 2173 arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] & 2174 IEEE80211_PPE_THRES_NSS_MASK; 2175 arg->peer_ppet.ru_bit_mask = 2176 (he_cap->ppe_thres[0] & 2177 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2178 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2179 2180 for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) { 2181 for (ru = 0; ru < 4; ru++) { 2182 u32 val = 0; 2183 int i; 2184 2185 if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0) 2186 continue; 2187 for (i = 0; i < 6; i++) { 2188 val >>= 1; 2189 val |= ((he_cap->ppe_thres[bit / 8] >> 2190 (bit % 8)) & 0x1) << 5; 2191 bit++; 2192 } 2193 arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |= 2194 val << (ru * 6); 2195 } 2196 } 2197 } 2198 2199 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_RES) 2200 arg->twt_responder = true; 2201 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ) 2202 arg->twt_requester = true; 2203 2204 he_nss = ath11k_mac_max_he_nss(he_mcs_mask); 2205 2206 if (he_nss > sta->rx_nss) { 2207 user_rate_valid = false; 2208 for (nss_idx = sta->rx_nss - 1; nss_idx >= 0; nss_idx--) { 2209 if (he_mcs_mask[nss_idx]) { 2210 user_rate_valid = true; 2211 break; 2212 } 2213 } 2214 } 2215 2216 if (!user_rate_valid) { 2217 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac setting he range mcs value to peer supported nss %d for peer %pM\n", 2218 sta->rx_nss, sta->addr); 2219 he_mcs_mask[sta->rx_nss - 1] = he_mcs_mask[he_nss - 1]; 2220 } 2221 2222 switch (sta->bandwidth) { 2223 case IEEE80211_STA_RX_BW_160: 2224 if (he_cap->he_cap_elem.phy_cap_info[0] & 2225 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { 2226 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80p80); 2227 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask); 2228 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v; 2229 2230 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80p80); 2231 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v; 2232 2233 arg->peer_he_mcs_count++; 2234 he_tx_mcs = v; 2235 } 2236 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160); 2237 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v; 2238 2239 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_160); 2240 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask); 2241 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v; 2242 2243 arg->peer_he_mcs_count++; 2244 if (!he_tx_mcs) 2245 he_tx_mcs = v; 2246 fallthrough; 2247 2248 default: 2249 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80); 2250 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v; 2251 2252 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80); 2253 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask); 2254 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v; 2255 2256 arg->peer_he_mcs_count++; 2257 if (!he_tx_mcs) 2258 he_tx_mcs = v; 2259 break; 2260 } 2261 2262 /* Calculate peer NSS capability from HE capabilities if STA 2263 * supports HE. 2264 */ 2265 for (i = 0, max_nss = 0, he_mcs = 0; i < NL80211_HE_NSS_MAX; i++) { 2266 he_mcs = he_tx_mcs >> (2 * i) & 3; 2267 2268 /* In case of fixed rates, MCS Range in he_tx_mcs might have 2269 * unsupported range, with he_mcs_mask set, so check either of them 2270 * to find nss. 2271 */ 2272 if (he_mcs != IEEE80211_HE_MCS_NOT_SUPPORTED || 2273 he_mcs_mask[i]) 2274 max_nss = i + 1; 2275 } 2276 arg->peer_nss = min(sta->rx_nss, max_nss); 2277 2278 if (arg->peer_phymode == MODE_11AX_HE160 || 2279 arg->peer_phymode == MODE_11AX_HE80_80) { 2280 tx_nss = ath11k_get_nss_160mhz(ar, max_nss); 2281 rx_nss = min(arg->peer_nss, tx_nss); 2282 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE; 2283 2284 if (!rx_nss) { 2285 ath11k_warn(ar->ab, "invalid max_nss\n"); 2286 return; 2287 } 2288 2289 if (arg->peer_phymode == MODE_11AX_HE160) 2290 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1); 2291 else 2292 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1); 2293 2294 arg->peer_bw_rxnss_override |= nss_160; 2295 } 2296 2297 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 2298 "mac he peer %pM nss %d mcs cnt %d nss_override 0x%x\n", 2299 sta->addr, arg->peer_nss, 2300 arg->peer_he_mcs_count, 2301 arg->peer_bw_rxnss_override); 2302 } 2303 2304 static void ath11k_peer_assoc_h_he_6ghz(struct ath11k *ar, 2305 struct ieee80211_vif *vif, 2306 struct ieee80211_sta *sta, 2307 struct peer_assoc_params *arg) 2308 { 2309 const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; 2310 struct cfg80211_chan_def def; 2311 enum nl80211_band band; 2312 u8 ampdu_factor; 2313 2314 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 2315 return; 2316 2317 band = def.chan->band; 2318 2319 if (!arg->he_flag || band != NL80211_BAND_6GHZ || !sta->he_6ghz_capa.capa) 2320 return; 2321 2322 if (sta->bandwidth == IEEE80211_STA_RX_BW_40) 2323 arg->bw_40 = true; 2324 2325 if (sta->bandwidth == IEEE80211_STA_RX_BW_80) 2326 arg->bw_80 = true; 2327 2328 if (sta->bandwidth == IEEE80211_STA_RX_BW_160) 2329 arg->bw_160 = true; 2330 2331 arg->peer_he_caps_6ghz = le16_to_cpu(sta->he_6ghz_capa.capa); 2332 arg->peer_mpdu_density = 2333 ath11k_parse_mpdudensity(FIELD_GET(IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START, 2334 arg->peer_he_caps_6ghz)); 2335 2336 /* From IEEE Std 802.11ax-2021 - Section 10.12.2: An HE STA shall be capable of 2337 * receiving A-MPDU where the A-MPDU pre-EOF padding length is up to the value 2338 * indicated by the Maximum A-MPDU Length Exponent Extension field in the HE 2339 * Capabilities element and the Maximum A-MPDU Length Exponent field in HE 6 GHz 2340 * Band Capabilities element in the 6 GHz band. 2341 * 2342 * Here, we are extracting the Max A-MPDU Exponent Extension from HE caps and 2343 * factor is the Maximum A-MPDU Length Exponent from HE 6 GHZ Band capability. 2344 */ 2345 ampdu_factor = FIELD_GET(IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK, 2346 he_cap->he_cap_elem.mac_cap_info[3]) + 2347 FIELD_GET(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, 2348 arg->peer_he_caps_6ghz); 2349 2350 arg->peer_max_mpdu = (1u << (IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR + 2351 ampdu_factor)) - 1; 2352 } 2353 2354 static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta, 2355 struct peer_assoc_params *arg) 2356 { 2357 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; 2358 int smps; 2359 2360 if (!ht_cap->ht_supported && !sta->he_6ghz_capa.capa) 2361 return; 2362 2363 if (ht_cap->ht_supported) { 2364 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; 2365 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; 2366 } else { 2367 smps = le16_get_bits(sta->he_6ghz_capa.capa, 2368 IEEE80211_HE_6GHZ_CAP_SM_PS); 2369 } 2370 2371 switch (smps) { 2372 case WLAN_HT_CAP_SM_PS_STATIC: 2373 arg->static_mimops_flag = true; 2374 break; 2375 case WLAN_HT_CAP_SM_PS_DYNAMIC: 2376 arg->dynamic_mimops_flag = true; 2377 break; 2378 case WLAN_HT_CAP_SM_PS_DISABLED: 2379 arg->spatial_mux_flag = true; 2380 break; 2381 default: 2382 break; 2383 } 2384 } 2385 2386 static void ath11k_peer_assoc_h_qos(struct ath11k *ar, 2387 struct ieee80211_vif *vif, 2388 struct ieee80211_sta *sta, 2389 struct peer_assoc_params *arg) 2390 { 2391 struct ath11k_vif *arvif = (void *)vif->drv_priv; 2392 2393 switch (arvif->vdev_type) { 2394 case WMI_VDEV_TYPE_AP: 2395 if (sta->wme) { 2396 /* TODO: Check WME vs QoS */ 2397 arg->is_wme_set = true; 2398 arg->qos_flag = true; 2399 } 2400 2401 if (sta->wme && sta->uapsd_queues) { 2402 /* TODO: Check WME vs QoS */ 2403 arg->is_wme_set = true; 2404 arg->apsd_flag = true; 2405 arg->peer_rate_caps |= WMI_HOST_RC_UAPSD_FLAG; 2406 } 2407 break; 2408 case WMI_VDEV_TYPE_STA: 2409 if (sta->wme) { 2410 arg->is_wme_set = true; 2411 arg->qos_flag = true; 2412 } 2413 break; 2414 default: 2415 break; 2416 } 2417 2418 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac peer %pM qos %d\n", 2419 sta->addr, arg->qos_flag); 2420 } 2421 2422 static int ath11k_peer_assoc_qos_ap(struct ath11k *ar, 2423 struct ath11k_vif *arvif, 2424 struct ieee80211_sta *sta) 2425 { 2426 struct ap_ps_params params; 2427 u32 max_sp; 2428 u32 uapsd; 2429 int ret; 2430 2431 lockdep_assert_held(&ar->conf_mutex); 2432 2433 params.vdev_id = arvif->vdev_id; 2434 2435 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", 2436 sta->uapsd_queues, sta->max_sp); 2437 2438 uapsd = 0; 2439 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 2440 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | 2441 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; 2442 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) 2443 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | 2444 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; 2445 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) 2446 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | 2447 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; 2448 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) 2449 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | 2450 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; 2451 2452 max_sp = 0; 2453 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) 2454 max_sp = sta->max_sp; 2455 2456 params.param = WMI_AP_PS_PEER_PARAM_UAPSD; 2457 params.value = uapsd; 2458 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2459 if (ret) 2460 goto err; 2461 2462 params.param = WMI_AP_PS_PEER_PARAM_MAX_SP; 2463 params.value = max_sp; 2464 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2465 if (ret) 2466 goto err; 2467 2468 /* TODO revisit during testing */ 2469 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_FRMTYPE; 2470 params.value = DISABLE_SIFS_RESPONSE_TRIGGER; 2471 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2472 if (ret) 2473 goto err; 2474 2475 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_UAPSD; 2476 params.value = DISABLE_SIFS_RESPONSE_TRIGGER; 2477 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); 2478 if (ret) 2479 goto err; 2480 2481 return 0; 2482 2483 err: 2484 ath11k_warn(ar->ab, "failed to set ap ps peer param %d for vdev %i: %d\n", 2485 params.param, arvif->vdev_id, ret); 2486 return ret; 2487 } 2488 2489 static bool ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta) 2490 { 2491 return sta->supp_rates[NL80211_BAND_2GHZ] >> 2492 ATH11K_MAC_FIRST_OFDM_RATE_IDX; 2493 } 2494 2495 static enum wmi_phy_mode ath11k_mac_get_phymode_vht(struct ath11k *ar, 2496 struct ieee80211_sta *sta) 2497 { 2498 if (sta->bandwidth == IEEE80211_STA_RX_BW_160) { 2499 switch (sta->vht_cap.cap & 2500 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 2501 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 2502 return MODE_11AC_VHT160; 2503 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 2504 return MODE_11AC_VHT80_80; 2505 default: 2506 /* not sure if this is a valid case? */ 2507 return MODE_11AC_VHT160; 2508 } 2509 } 2510 2511 if (sta->bandwidth == IEEE80211_STA_RX_BW_80) 2512 return MODE_11AC_VHT80; 2513 2514 if (sta->bandwidth == IEEE80211_STA_RX_BW_40) 2515 return MODE_11AC_VHT40; 2516 2517 if (sta->bandwidth == IEEE80211_STA_RX_BW_20) 2518 return MODE_11AC_VHT20; 2519 2520 return MODE_UNKNOWN; 2521 } 2522 2523 static enum wmi_phy_mode ath11k_mac_get_phymode_he(struct ath11k *ar, 2524 struct ieee80211_sta *sta) 2525 { 2526 if (sta->bandwidth == IEEE80211_STA_RX_BW_160) { 2527 if (sta->he_cap.he_cap_elem.phy_cap_info[0] & 2528 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 2529 return MODE_11AX_HE160; 2530 else if (sta->he_cap.he_cap_elem.phy_cap_info[0] & 2531 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 2532 return MODE_11AX_HE80_80; 2533 /* not sure if this is a valid case? */ 2534 return MODE_11AX_HE160; 2535 } 2536 2537 if (sta->bandwidth == IEEE80211_STA_RX_BW_80) 2538 return MODE_11AX_HE80; 2539 2540 if (sta->bandwidth == IEEE80211_STA_RX_BW_40) 2541 return MODE_11AX_HE40; 2542 2543 if (sta->bandwidth == IEEE80211_STA_RX_BW_20) 2544 return MODE_11AX_HE20; 2545 2546 return MODE_UNKNOWN; 2547 } 2548 2549 static void ath11k_peer_assoc_h_phymode(struct ath11k *ar, 2550 struct ieee80211_vif *vif, 2551 struct ieee80211_sta *sta, 2552 struct peer_assoc_params *arg) 2553 { 2554 struct ath11k_vif *arvif = (void *)vif->drv_priv; 2555 struct cfg80211_chan_def def; 2556 enum nl80211_band band; 2557 const u8 *ht_mcs_mask; 2558 const u16 *vht_mcs_mask; 2559 const u16 *he_mcs_mask; 2560 enum wmi_phy_mode phymode = MODE_UNKNOWN; 2561 2562 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 2563 return; 2564 2565 band = def.chan->band; 2566 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 2567 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 2568 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs; 2569 2570 switch (band) { 2571 case NL80211_BAND_2GHZ: 2572 if (sta->he_cap.has_he && 2573 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) { 2574 if (sta->bandwidth == IEEE80211_STA_RX_BW_80) 2575 phymode = MODE_11AX_HE80_2G; 2576 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40) 2577 phymode = MODE_11AX_HE40_2G; 2578 else 2579 phymode = MODE_11AX_HE20_2G; 2580 } else if (sta->vht_cap.vht_supported && 2581 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) { 2582 if (sta->bandwidth == IEEE80211_STA_RX_BW_40) 2583 phymode = MODE_11AC_VHT40; 2584 else 2585 phymode = MODE_11AC_VHT20; 2586 } else if (sta->ht_cap.ht_supported && 2587 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) { 2588 if (sta->bandwidth == IEEE80211_STA_RX_BW_40) 2589 phymode = MODE_11NG_HT40; 2590 else 2591 phymode = MODE_11NG_HT20; 2592 } else if (ath11k_mac_sta_has_ofdm_only(sta)) { 2593 phymode = MODE_11G; 2594 } else { 2595 phymode = MODE_11B; 2596 } 2597 break; 2598 case NL80211_BAND_5GHZ: 2599 case NL80211_BAND_6GHZ: 2600 /* Check HE first */ 2601 if (sta->he_cap.has_he && 2602 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) { 2603 phymode = ath11k_mac_get_phymode_he(ar, sta); 2604 } else if (sta->vht_cap.vht_supported && 2605 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) { 2606 phymode = ath11k_mac_get_phymode_vht(ar, sta); 2607 } else if (sta->ht_cap.ht_supported && 2608 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) { 2609 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) 2610 phymode = MODE_11NA_HT40; 2611 else 2612 phymode = MODE_11NA_HT20; 2613 } else { 2614 phymode = MODE_11A; 2615 } 2616 break; 2617 default: 2618 break; 2619 } 2620 2621 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac peer %pM phymode %s\n", 2622 sta->addr, ath11k_wmi_phymode_str(phymode)); 2623 2624 arg->peer_phymode = phymode; 2625 WARN_ON(phymode == MODE_UNKNOWN); 2626 } 2627 2628 static void ath11k_peer_assoc_prepare(struct ath11k *ar, 2629 struct ieee80211_vif *vif, 2630 struct ieee80211_sta *sta, 2631 struct peer_assoc_params *arg, 2632 bool reassoc) 2633 { 2634 struct ath11k_sta *arsta; 2635 2636 lockdep_assert_held(&ar->conf_mutex); 2637 2638 arsta = (struct ath11k_sta *)sta->drv_priv; 2639 2640 memset(arg, 0, sizeof(*arg)); 2641 2642 reinit_completion(&ar->peer_assoc_done); 2643 2644 arg->peer_new_assoc = !reassoc; 2645 ath11k_peer_assoc_h_basic(ar, vif, sta, arg); 2646 ath11k_peer_assoc_h_crypto(ar, vif, sta, arg); 2647 ath11k_peer_assoc_h_rates(ar, vif, sta, arg); 2648 ath11k_peer_assoc_h_phymode(ar, vif, sta, arg); 2649 ath11k_peer_assoc_h_ht(ar, vif, sta, arg); 2650 ath11k_peer_assoc_h_vht(ar, vif, sta, arg); 2651 ath11k_peer_assoc_h_he(ar, vif, sta, arg); 2652 ath11k_peer_assoc_h_he_6ghz(ar, vif, sta, arg); 2653 ath11k_peer_assoc_h_qos(ar, vif, sta, arg); 2654 ath11k_peer_assoc_h_smps(sta, arg); 2655 2656 arsta->peer_nss = arg->peer_nss; 2657 2658 /* TODO: amsdu_disable req? */ 2659 } 2660 2661 static int ath11k_setup_peer_smps(struct ath11k *ar, struct ath11k_vif *arvif, 2662 const u8 *addr, 2663 const struct ieee80211_sta_ht_cap *ht_cap, 2664 u16 he_6ghz_capa) 2665 { 2666 int smps; 2667 2668 if (!ht_cap->ht_supported && !he_6ghz_capa) 2669 return 0; 2670 2671 if (ht_cap->ht_supported) { 2672 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; 2673 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; 2674 } else { 2675 smps = FIELD_GET(IEEE80211_HE_6GHZ_CAP_SM_PS, he_6ghz_capa); 2676 } 2677 2678 if (smps >= ARRAY_SIZE(ath11k_smps_map)) 2679 return -EINVAL; 2680 2681 return ath11k_wmi_set_peer_param(ar, addr, arvif->vdev_id, 2682 WMI_PEER_MIMO_PS_STATE, 2683 ath11k_smps_map[smps]); 2684 } 2685 2686 static void ath11k_bss_assoc(struct ieee80211_hw *hw, 2687 struct ieee80211_vif *vif, 2688 struct ieee80211_bss_conf *bss_conf) 2689 { 2690 struct ath11k *ar = hw->priv; 2691 struct ath11k_vif *arvif = (void *)vif->drv_priv; 2692 struct peer_assoc_params peer_arg; 2693 struct ieee80211_sta *ap_sta; 2694 struct ath11k_peer *peer; 2695 bool is_auth = false; 2696 int ret; 2697 2698 lockdep_assert_held(&ar->conf_mutex); 2699 2700 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", 2701 arvif->vdev_id, arvif->bssid, arvif->aid); 2702 2703 rcu_read_lock(); 2704 2705 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); 2706 if (!ap_sta) { 2707 ath11k_warn(ar->ab, "failed to find station entry for bss %pM vdev %i\n", 2708 bss_conf->bssid, arvif->vdev_id); 2709 rcu_read_unlock(); 2710 return; 2711 } 2712 2713 ath11k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg, false); 2714 2715 rcu_read_unlock(); 2716 2717 peer_arg.is_assoc = true; 2718 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); 2719 if (ret) { 2720 ath11k_warn(ar->ab, "failed to run peer assoc for %pM vdev %i: %d\n", 2721 bss_conf->bssid, arvif->vdev_id, ret); 2722 return; 2723 } 2724 2725 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) { 2726 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", 2727 bss_conf->bssid, arvif->vdev_id); 2728 return; 2729 } 2730 2731 ret = ath11k_setup_peer_smps(ar, arvif, bss_conf->bssid, 2732 &ap_sta->ht_cap, 2733 le16_to_cpu(ap_sta->he_6ghz_capa.capa)); 2734 if (ret) { 2735 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n", 2736 arvif->vdev_id, ret); 2737 return; 2738 } 2739 2740 WARN_ON(arvif->is_up); 2741 2742 arvif->aid = bss_conf->aid; 2743 ether_addr_copy(arvif->bssid, bss_conf->bssid); 2744 2745 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); 2746 if (ret) { 2747 ath11k_warn(ar->ab, "failed to set vdev %d up: %d\n", 2748 arvif->vdev_id, ret); 2749 return; 2750 } 2751 2752 arvif->is_up = true; 2753 2754 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 2755 "mac vdev %d up (associated) bssid %pM aid %d\n", 2756 arvif->vdev_id, bss_conf->bssid, bss_conf->aid); 2757 2758 spin_lock_bh(&ar->ab->base_lock); 2759 2760 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, arvif->bssid); 2761 if (peer && peer->is_authorized) 2762 is_auth = true; 2763 2764 spin_unlock_bh(&ar->ab->base_lock); 2765 2766 if (is_auth) { 2767 ret = ath11k_wmi_set_peer_param(ar, arvif->bssid, 2768 arvif->vdev_id, 2769 WMI_PEER_AUTHORIZE, 2770 1); 2771 if (ret) 2772 ath11k_warn(ar->ab, "Unable to authorize BSS peer: %d\n", ret); 2773 } 2774 2775 ret = ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id, 2776 &bss_conf->he_obss_pd); 2777 if (ret) 2778 ath11k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n", 2779 arvif->vdev_id, ret); 2780 2781 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 2782 WMI_VDEV_PARAM_DTIM_POLICY, 2783 WMI_DTIM_POLICY_STICK); 2784 if (ret) 2785 ath11k_warn(ar->ab, "failed to set vdev %d dtim policy: %d\n", 2786 arvif->vdev_id, ret); 2787 2788 ath11k_mac_11d_scan_stop_all(ar->ab); 2789 } 2790 2791 static void ath11k_bss_disassoc(struct ieee80211_hw *hw, 2792 struct ieee80211_vif *vif) 2793 { 2794 struct ath11k *ar = hw->priv; 2795 struct ath11k_vif *arvif = (void *)vif->drv_priv; 2796 int ret; 2797 2798 lockdep_assert_held(&ar->conf_mutex); 2799 2800 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", 2801 arvif->vdev_id, arvif->bssid); 2802 2803 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id); 2804 if (ret) 2805 ath11k_warn(ar->ab, "failed to down vdev %i: %d\n", 2806 arvif->vdev_id, ret); 2807 2808 arvif->is_up = false; 2809 2810 cancel_delayed_work_sync(&arvif->connection_loss_work); 2811 } 2812 2813 static u32 ath11k_mac_get_rate_hw_value(int bitrate) 2814 { 2815 u32 preamble; 2816 u16 hw_value; 2817 int rate; 2818 size_t i; 2819 2820 if (ath11k_mac_bitrate_is_cck(bitrate)) 2821 preamble = WMI_RATE_PREAMBLE_CCK; 2822 else 2823 preamble = WMI_RATE_PREAMBLE_OFDM; 2824 2825 for (i = 0; i < ARRAY_SIZE(ath11k_legacy_rates); i++) { 2826 if (ath11k_legacy_rates[i].bitrate != bitrate) 2827 continue; 2828 2829 hw_value = ath11k_legacy_rates[i].hw_value; 2830 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble); 2831 2832 return rate; 2833 } 2834 2835 return -EINVAL; 2836 } 2837 2838 static void ath11k_recalculate_mgmt_rate(struct ath11k *ar, 2839 struct ieee80211_vif *vif, 2840 struct cfg80211_chan_def *def) 2841 { 2842 struct ath11k_vif *arvif = (void *)vif->drv_priv; 2843 const struct ieee80211_supported_band *sband; 2844 u8 basic_rate_idx; 2845 int hw_rate_code; 2846 u32 vdev_param; 2847 u16 bitrate; 2848 int ret; 2849 2850 lockdep_assert_held(&ar->conf_mutex); 2851 2852 sband = ar->hw->wiphy->bands[def->chan->band]; 2853 basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1; 2854 bitrate = sband->bitrates[basic_rate_idx].bitrate; 2855 2856 hw_rate_code = ath11k_mac_get_rate_hw_value(bitrate); 2857 if (hw_rate_code < 0) { 2858 ath11k_warn(ar->ab, "bitrate not supported %d\n", bitrate); 2859 return; 2860 } 2861 2862 vdev_param = WMI_VDEV_PARAM_MGMT_RATE; 2863 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, 2864 hw_rate_code); 2865 if (ret) 2866 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret); 2867 2868 /* For WCN6855, firmware will clear this param when vdev starts, hence 2869 * cache it here so that we can reconfigure it once vdev starts. 2870 */ 2871 ar->hw_rate_code = hw_rate_code; 2872 2873 vdev_param = WMI_VDEV_PARAM_BEACON_RATE; 2874 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, 2875 hw_rate_code); 2876 if (ret) 2877 ath11k_warn(ar->ab, "failed to set beacon tx rate %d\n", ret); 2878 } 2879 2880 static int ath11k_mac_fils_discovery(struct ath11k_vif *arvif, 2881 struct ieee80211_bss_conf *info) 2882 { 2883 struct ath11k *ar = arvif->ar; 2884 struct sk_buff *tmpl; 2885 int ret; 2886 u32 interval; 2887 bool unsol_bcast_probe_resp_enabled = false; 2888 2889 if (info->fils_discovery.max_interval) { 2890 interval = info->fils_discovery.max_interval; 2891 2892 tmpl = ieee80211_get_fils_discovery_tmpl(ar->hw, arvif->vif); 2893 if (tmpl) 2894 ret = ath11k_wmi_fils_discovery_tmpl(ar, arvif->vdev_id, 2895 tmpl); 2896 } else if (info->unsol_bcast_probe_resp_interval) { 2897 unsol_bcast_probe_resp_enabled = 1; 2898 interval = info->unsol_bcast_probe_resp_interval; 2899 2900 tmpl = ieee80211_get_unsol_bcast_probe_resp_tmpl(ar->hw, 2901 arvif->vif); 2902 if (tmpl) 2903 ret = ath11k_wmi_probe_resp_tmpl(ar, arvif->vdev_id, 2904 tmpl); 2905 } else { /* Disable */ 2906 return ath11k_wmi_fils_discovery(ar, arvif->vdev_id, 0, false); 2907 } 2908 2909 if (!tmpl) { 2910 ath11k_warn(ar->ab, 2911 "mac vdev %i failed to retrieve %s template\n", 2912 arvif->vdev_id, (unsol_bcast_probe_resp_enabled ? 2913 "unsolicited broadcast probe response" : 2914 "FILS discovery")); 2915 return -EPERM; 2916 } 2917 kfree_skb(tmpl); 2918 2919 if (!ret) 2920 ret = ath11k_wmi_fils_discovery(ar, arvif->vdev_id, interval, 2921 unsol_bcast_probe_resp_enabled); 2922 2923 return ret; 2924 } 2925 2926 static int ath11k_mac_config_obss_pd(struct ath11k *ar, 2927 struct ieee80211_he_obss_pd *he_obss_pd) 2928 { 2929 u32 bitmap[2], param_id, param_val, pdev_id; 2930 int ret; 2931 s8 non_srg_th = 0, srg_th = 0; 2932 2933 pdev_id = ar->pdev->pdev_id; 2934 2935 /* Set and enable SRG/non-SRG OBSS PD Threshold */ 2936 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_THRESHOLD; 2937 if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) { 2938 ret = ath11k_wmi_pdev_set_param(ar, param_id, 0, pdev_id); 2939 if (ret) 2940 ath11k_warn(ar->ab, 2941 "failed to set obss_pd_threshold for pdev: %u\n", 2942 pdev_id); 2943 return ret; 2944 } 2945 2946 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 2947 "mac obss pd sr_ctrl %x non_srg_thres %u srg_max %u\n", 2948 he_obss_pd->sr_ctrl, he_obss_pd->non_srg_max_offset, 2949 he_obss_pd->max_offset); 2950 2951 param_val = 0; 2952 2953 if (he_obss_pd->sr_ctrl & 2954 IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED) { 2955 non_srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD; 2956 } else { 2957 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) 2958 non_srg_th = (ATH11K_OBSS_PD_MAX_THRESHOLD + 2959 he_obss_pd->non_srg_max_offset); 2960 else 2961 non_srg_th = ATH11K_OBSS_PD_NON_SRG_MAX_THRESHOLD; 2962 2963 param_val |= ATH11K_OBSS_PD_NON_SRG_EN; 2964 } 2965 2966 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) { 2967 srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD + he_obss_pd->max_offset; 2968 param_val |= ATH11K_OBSS_PD_SRG_EN; 2969 } 2970 2971 if (test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT, 2972 ar->ab->wmi_ab.svc_map)) { 2973 param_val |= ATH11K_OBSS_PD_THRESHOLD_IN_DBM; 2974 param_val |= FIELD_PREP(GENMASK(15, 8), srg_th); 2975 } else { 2976 non_srg_th -= ATH11K_DEFAULT_NOISE_FLOOR; 2977 /* SRG not supported and threshold in dB */ 2978 param_val &= ~(ATH11K_OBSS_PD_SRG_EN | 2979 ATH11K_OBSS_PD_THRESHOLD_IN_DBM); 2980 } 2981 2982 param_val |= (non_srg_th & GENMASK(7, 0)); 2983 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id); 2984 if (ret) { 2985 ath11k_warn(ar->ab, 2986 "failed to set obss_pd_threshold for pdev: %u\n", 2987 pdev_id); 2988 return ret; 2989 } 2990 2991 /* Enable OBSS PD for all access category */ 2992 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_PER_AC; 2993 param_val = 0xf; 2994 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id); 2995 if (ret) { 2996 ath11k_warn(ar->ab, 2997 "failed to set obss_pd_per_ac for pdev: %u\n", 2998 pdev_id); 2999 return ret; 3000 } 3001 3002 /* Set SR Prohibit */ 3003 param_id = WMI_PDEV_PARAM_ENABLE_SR_PROHIBIT; 3004 param_val = !!(he_obss_pd->sr_ctrl & 3005 IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED); 3006 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id); 3007 if (ret) { 3008 ath11k_warn(ar->ab, "failed to set sr_prohibit for pdev: %u\n", 3009 pdev_id); 3010 return ret; 3011 } 3012 3013 if (!test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT, 3014 ar->ab->wmi_ab.svc_map)) 3015 return 0; 3016 3017 /* Set SRG BSS Color Bitmap */ 3018 memcpy(bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap)); 3019 ret = ath11k_wmi_pdev_set_srg_bss_color_bitmap(ar, bitmap); 3020 if (ret) { 3021 ath11k_warn(ar->ab, 3022 "failed to set bss_color_bitmap for pdev: %u\n", 3023 pdev_id); 3024 return ret; 3025 } 3026 3027 /* Set SRG Partial BSSID Bitmap */ 3028 memcpy(bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap)); 3029 ret = ath11k_wmi_pdev_set_srg_patial_bssid_bitmap(ar, bitmap); 3030 if (ret) { 3031 ath11k_warn(ar->ab, 3032 "failed to set partial_bssid_bitmap for pdev: %u\n", 3033 pdev_id); 3034 return ret; 3035 } 3036 3037 memset(bitmap, 0xff, sizeof(bitmap)); 3038 3039 /* Enable all BSS Colors for SRG */ 3040 ret = ath11k_wmi_pdev_srg_obss_color_enable_bitmap(ar, bitmap); 3041 if (ret) { 3042 ath11k_warn(ar->ab, 3043 "failed to set srg_color_en_bitmap pdev: %u\n", 3044 pdev_id); 3045 return ret; 3046 } 3047 3048 /* Enable all patial BSSID mask for SRG */ 3049 ret = ath11k_wmi_pdev_srg_obss_bssid_enable_bitmap(ar, bitmap); 3050 if (ret) { 3051 ath11k_warn(ar->ab, 3052 "failed to set srg_bssid_en_bitmap pdev: %u\n", 3053 pdev_id); 3054 return ret; 3055 } 3056 3057 /* Enable all BSS Colors for non-SRG */ 3058 ret = ath11k_wmi_pdev_non_srg_obss_color_enable_bitmap(ar, bitmap); 3059 if (ret) { 3060 ath11k_warn(ar->ab, 3061 "failed to set non_srg_color_en_bitmap pdev: %u\n", 3062 pdev_id); 3063 return ret; 3064 } 3065 3066 /* Enable all patial BSSID mask for non-SRG */ 3067 ret = ath11k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(ar, bitmap); 3068 if (ret) { 3069 ath11k_warn(ar->ab, 3070 "failed to set non_srg_bssid_en_bitmap pdev: %u\n", 3071 pdev_id); 3072 return ret; 3073 } 3074 3075 return 0; 3076 } 3077 3078 static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw, 3079 struct ieee80211_vif *vif, 3080 struct ieee80211_bss_conf *info, 3081 u32 changed) 3082 { 3083 struct ath11k *ar = hw->priv; 3084 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3085 struct cfg80211_chan_def def; 3086 u32 param_id, param_value; 3087 enum nl80211_band band; 3088 u32 vdev_param; 3089 int mcast_rate; 3090 u32 preamble; 3091 u16 hw_value; 3092 u16 bitrate; 3093 int ret = 0; 3094 u8 rateidx; 3095 u32 rate; 3096 3097 mutex_lock(&ar->conf_mutex); 3098 3099 if (changed & BSS_CHANGED_BEACON_INT) { 3100 arvif->beacon_interval = info->beacon_int; 3101 3102 param_id = WMI_VDEV_PARAM_BEACON_INTERVAL; 3103 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3104 param_id, 3105 arvif->beacon_interval); 3106 if (ret) 3107 ath11k_warn(ar->ab, "Failed to set beacon interval for VDEV: %d\n", 3108 arvif->vdev_id); 3109 else 3110 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3111 "Beacon interval: %d set for VDEV: %d\n", 3112 arvif->beacon_interval, arvif->vdev_id); 3113 } 3114 3115 if (changed & BSS_CHANGED_BEACON) { 3116 param_id = WMI_PDEV_PARAM_BEACON_TX_MODE; 3117 param_value = WMI_BEACON_STAGGERED_MODE; 3118 ret = ath11k_wmi_pdev_set_param(ar, param_id, 3119 param_value, ar->pdev->pdev_id); 3120 if (ret) 3121 ath11k_warn(ar->ab, "Failed to set beacon mode for VDEV: %d\n", 3122 arvif->vdev_id); 3123 else 3124 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3125 "Set staggered beacon mode for VDEV: %d\n", 3126 arvif->vdev_id); 3127 3128 if (!arvif->do_not_send_tmpl || !arvif->bcca_zero_sent) { 3129 ret = ath11k_mac_setup_bcn_tmpl(arvif); 3130 if (ret) 3131 ath11k_warn(ar->ab, "failed to update bcn template: %d\n", 3132 ret); 3133 } 3134 3135 if (arvif->bcca_zero_sent) 3136 arvif->do_not_send_tmpl = true; 3137 else 3138 arvif->do_not_send_tmpl = false; 3139 } 3140 3141 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { 3142 arvif->dtim_period = info->dtim_period; 3143 3144 param_id = WMI_VDEV_PARAM_DTIM_PERIOD; 3145 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3146 param_id, 3147 arvif->dtim_period); 3148 3149 if (ret) 3150 ath11k_warn(ar->ab, "Failed to set dtim period for VDEV %d: %i\n", 3151 arvif->vdev_id, ret); 3152 else 3153 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3154 "DTIM period: %d set for VDEV: %d\n", 3155 arvif->dtim_period, arvif->vdev_id); 3156 } 3157 3158 if (changed & BSS_CHANGED_SSID && 3159 vif->type == NL80211_IFTYPE_AP) { 3160 arvif->u.ap.ssid_len = info->ssid_len; 3161 if (info->ssid_len) 3162 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); 3163 arvif->u.ap.hidden_ssid = info->hidden_ssid; 3164 } 3165 3166 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) 3167 ether_addr_copy(arvif->bssid, info->bssid); 3168 3169 if (changed & BSS_CHANGED_BEACON_ENABLED) { 3170 ath11k_control_beaconing(arvif, info); 3171 3172 if (arvif->is_up && vif->bss_conf.he_support && 3173 vif->bss_conf.he_oper.params) { 3174 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3175 WMI_VDEV_PARAM_BA_MODE, 3176 WMI_BA_MODE_BUFFER_SIZE_256); 3177 if (ret) 3178 ath11k_warn(ar->ab, 3179 "failed to set BA BUFFER SIZE 256 for vdev: %d\n", 3180 arvif->vdev_id); 3181 3182 param_id = WMI_VDEV_PARAM_HEOPS_0_31; 3183 param_value = vif->bss_conf.he_oper.params; 3184 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3185 param_id, param_value); 3186 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3187 "he oper param: %x set for VDEV: %d\n", 3188 param_value, arvif->vdev_id); 3189 3190 if (ret) 3191 ath11k_warn(ar->ab, "Failed to set he oper params %x for VDEV %d: %i\n", 3192 param_value, arvif->vdev_id, ret); 3193 } 3194 } 3195 3196 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 3197 u32 cts_prot; 3198 3199 cts_prot = !!(info->use_cts_prot); 3200 param_id = WMI_VDEV_PARAM_PROTECTION_MODE; 3201 3202 if (arvif->is_started) { 3203 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3204 param_id, cts_prot); 3205 if (ret) 3206 ath11k_warn(ar->ab, "Failed to set CTS prot for VDEV: %d\n", 3207 arvif->vdev_id); 3208 else 3209 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set CTS prot: %d for VDEV: %d\n", 3210 cts_prot, arvif->vdev_id); 3211 } else { 3212 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "defer protection mode setup, vdev is not ready yet\n"); 3213 } 3214 } 3215 3216 if (changed & BSS_CHANGED_ERP_SLOT) { 3217 u32 slottime; 3218 3219 if (info->use_short_slot) 3220 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ 3221 3222 else 3223 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ 3224 3225 param_id = WMI_VDEV_PARAM_SLOT_TIME; 3226 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3227 param_id, slottime); 3228 if (ret) 3229 ath11k_warn(ar->ab, "Failed to set erp slot for VDEV: %d\n", 3230 arvif->vdev_id); 3231 else 3232 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3233 "Set slottime: %d for VDEV: %d\n", 3234 slottime, arvif->vdev_id); 3235 } 3236 3237 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 3238 u32 preamble; 3239 3240 if (info->use_short_preamble) 3241 preamble = WMI_VDEV_PREAMBLE_SHORT; 3242 else 3243 preamble = WMI_VDEV_PREAMBLE_LONG; 3244 3245 param_id = WMI_VDEV_PARAM_PREAMBLE; 3246 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3247 param_id, preamble); 3248 if (ret) 3249 ath11k_warn(ar->ab, "Failed to set preamble for VDEV: %d\n", 3250 arvif->vdev_id); 3251 else 3252 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3253 "Set preamble: %d for VDEV: %d\n", 3254 preamble, arvif->vdev_id); 3255 } 3256 3257 if (changed & BSS_CHANGED_ASSOC) { 3258 if (info->assoc) 3259 ath11k_bss_assoc(hw, vif, info); 3260 else 3261 ath11k_bss_disassoc(hw, vif); 3262 } 3263 3264 if (changed & BSS_CHANGED_TXPOWER) { 3265 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev_id %i txpower %d\n", 3266 arvif->vdev_id, info->txpower); 3267 3268 arvif->txpower = info->txpower; 3269 ath11k_mac_txpower_recalc(ar); 3270 } 3271 3272 if (changed & BSS_CHANGED_PS && 3273 ar->ab->hw_params.supports_sta_ps) { 3274 arvif->ps = vif->bss_conf.ps; 3275 3276 ret = ath11k_mac_config_ps(ar); 3277 if (ret) 3278 ath11k_warn(ar->ab, "failed to setup ps on vdev %i: %d\n", 3279 arvif->vdev_id, ret); 3280 } 3281 3282 if (changed & BSS_CHANGED_MCAST_RATE && 3283 !ath11k_mac_vif_chan(arvif->vif, &def)) { 3284 band = def.chan->band; 3285 mcast_rate = vif->bss_conf.mcast_rate[band]; 3286 3287 if (mcast_rate > 0) 3288 rateidx = mcast_rate - 1; 3289 else 3290 rateidx = ffs(vif->bss_conf.basic_rates) - 1; 3291 3292 if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) 3293 rateidx += ATH11K_MAC_FIRST_OFDM_RATE_IDX; 3294 3295 bitrate = ath11k_legacy_rates[rateidx].bitrate; 3296 hw_value = ath11k_legacy_rates[rateidx].hw_value; 3297 3298 if (ath11k_mac_bitrate_is_cck(bitrate)) 3299 preamble = WMI_RATE_PREAMBLE_CCK; 3300 else 3301 preamble = WMI_RATE_PREAMBLE_OFDM; 3302 3303 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble); 3304 3305 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3306 "mac vdev %d mcast_rate %x\n", 3307 arvif->vdev_id, rate); 3308 3309 vdev_param = WMI_VDEV_PARAM_MCAST_DATA_RATE; 3310 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3311 vdev_param, rate); 3312 if (ret) 3313 ath11k_warn(ar->ab, 3314 "failed to set mcast rate on vdev %i: %d\n", 3315 arvif->vdev_id, ret); 3316 3317 vdev_param = WMI_VDEV_PARAM_BCAST_DATA_RATE; 3318 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3319 vdev_param, rate); 3320 if (ret) 3321 ath11k_warn(ar->ab, 3322 "failed to set bcast rate on vdev %i: %d\n", 3323 arvif->vdev_id, ret); 3324 } 3325 3326 if (changed & BSS_CHANGED_BASIC_RATES && 3327 !ath11k_mac_vif_chan(arvif->vif, &def)) 3328 ath11k_recalculate_mgmt_rate(ar, vif, &def); 3329 3330 if (changed & BSS_CHANGED_TWT) { 3331 if (info->twt_requester || info->twt_responder) 3332 ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id); 3333 else 3334 ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id); 3335 } 3336 3337 if (changed & BSS_CHANGED_HE_OBSS_PD) 3338 ath11k_mac_config_obss_pd(ar, &info->he_obss_pd); 3339 3340 if (changed & BSS_CHANGED_HE_BSS_COLOR) { 3341 if (vif->type == NL80211_IFTYPE_AP) { 3342 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd( 3343 ar, arvif->vdev_id, info->he_bss_color.color, 3344 ATH11K_BSS_COLOR_COLLISION_DETECTION_AP_PERIOD_MS, 3345 info->he_bss_color.enabled); 3346 if (ret) 3347 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n", 3348 arvif->vdev_id, ret); 3349 3350 param_id = WMI_VDEV_PARAM_BSS_COLOR; 3351 if (info->he_bss_color.enabled) 3352 param_value = info->he_bss_color.color << 3353 IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET; 3354 else 3355 param_value = IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED; 3356 3357 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 3358 param_id, 3359 param_value); 3360 if (ret) 3361 ath11k_warn(ar->ab, 3362 "failed to set bss color param on vdev %i: %d\n", 3363 arvif->vdev_id, ret); 3364 3365 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3366 "bss color param 0x%x set on vdev %i\n", 3367 param_value, arvif->vdev_id); 3368 } else if (vif->type == NL80211_IFTYPE_STATION) { 3369 ret = ath11k_wmi_send_bss_color_change_enable_cmd(ar, 3370 arvif->vdev_id, 3371 1); 3372 if (ret) 3373 ath11k_warn(ar->ab, "failed to enable bss color change on vdev %i: %d\n", 3374 arvif->vdev_id, ret); 3375 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd( 3376 ar, arvif->vdev_id, 0, 3377 ATH11K_BSS_COLOR_COLLISION_DETECTION_STA_PERIOD_MS, 1); 3378 if (ret) 3379 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n", 3380 arvif->vdev_id, ret); 3381 } 3382 } 3383 3384 if (changed & BSS_CHANGED_FILS_DISCOVERY || 3385 changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP) 3386 ath11k_mac_fils_discovery(arvif, info); 3387 3388 mutex_unlock(&ar->conf_mutex); 3389 } 3390 3391 void __ath11k_mac_scan_finish(struct ath11k *ar) 3392 { 3393 lockdep_assert_held(&ar->data_lock); 3394 3395 switch (ar->scan.state) { 3396 case ATH11K_SCAN_IDLE: 3397 break; 3398 case ATH11K_SCAN_RUNNING: 3399 case ATH11K_SCAN_ABORTING: 3400 if (ar->scan.is_roc && ar->scan.roc_notify) 3401 ieee80211_remain_on_channel_expired(ar->hw); 3402 fallthrough; 3403 case ATH11K_SCAN_STARTING: 3404 if (!ar->scan.is_roc) { 3405 struct cfg80211_scan_info info = { 3406 .aborted = ((ar->scan.state == 3407 ATH11K_SCAN_ABORTING) || 3408 (ar->scan.state == 3409 ATH11K_SCAN_STARTING)), 3410 }; 3411 3412 ieee80211_scan_completed(ar->hw, &info); 3413 } 3414 3415 ar->scan.state = ATH11K_SCAN_IDLE; 3416 ar->scan_channel = NULL; 3417 ar->scan.roc_freq = 0; 3418 cancel_delayed_work(&ar->scan.timeout); 3419 complete(&ar->scan.completed); 3420 break; 3421 } 3422 } 3423 3424 void ath11k_mac_scan_finish(struct ath11k *ar) 3425 { 3426 spin_lock_bh(&ar->data_lock); 3427 __ath11k_mac_scan_finish(ar); 3428 spin_unlock_bh(&ar->data_lock); 3429 } 3430 3431 static int ath11k_scan_stop(struct ath11k *ar) 3432 { 3433 struct scan_cancel_param arg = { 3434 .req_type = WLAN_SCAN_CANCEL_SINGLE, 3435 .scan_id = ATH11K_SCAN_ID, 3436 }; 3437 int ret; 3438 3439 lockdep_assert_held(&ar->conf_mutex); 3440 3441 /* TODO: Fill other STOP Params */ 3442 arg.pdev_id = ar->pdev->pdev_id; 3443 3444 ret = ath11k_wmi_send_scan_stop_cmd(ar, &arg); 3445 if (ret) { 3446 ath11k_warn(ar->ab, "failed to stop wmi scan: %d\n", ret); 3447 goto out; 3448 } 3449 3450 ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ); 3451 if (ret == 0) { 3452 ath11k_warn(ar->ab, 3453 "failed to receive scan abort comple: timed out\n"); 3454 ret = -ETIMEDOUT; 3455 } else if (ret > 0) { 3456 ret = 0; 3457 } 3458 3459 out: 3460 /* Scan state should be updated upon scan completion but in case 3461 * firmware fails to deliver the event (for whatever reason) it is 3462 * desired to clean up scan state anyway. Firmware may have just 3463 * dropped the scan completion event delivery due to transport pipe 3464 * being overflown with data and/or it can recover on its own before 3465 * next scan request is submitted. 3466 */ 3467 spin_lock_bh(&ar->data_lock); 3468 if (ar->scan.state != ATH11K_SCAN_IDLE) 3469 __ath11k_mac_scan_finish(ar); 3470 spin_unlock_bh(&ar->data_lock); 3471 3472 return ret; 3473 } 3474 3475 static void ath11k_scan_abort(struct ath11k *ar) 3476 { 3477 int ret; 3478 3479 lockdep_assert_held(&ar->conf_mutex); 3480 3481 spin_lock_bh(&ar->data_lock); 3482 3483 switch (ar->scan.state) { 3484 case ATH11K_SCAN_IDLE: 3485 /* This can happen if timeout worker kicked in and called 3486 * abortion while scan completion was being processed. 3487 */ 3488 break; 3489 case ATH11K_SCAN_STARTING: 3490 case ATH11K_SCAN_ABORTING: 3491 ath11k_warn(ar->ab, "refusing scan abortion due to invalid scan state: %d\n", 3492 ar->scan.state); 3493 break; 3494 case ATH11K_SCAN_RUNNING: 3495 ar->scan.state = ATH11K_SCAN_ABORTING; 3496 spin_unlock_bh(&ar->data_lock); 3497 3498 ret = ath11k_scan_stop(ar); 3499 if (ret) 3500 ath11k_warn(ar->ab, "failed to abort scan: %d\n", ret); 3501 3502 spin_lock_bh(&ar->data_lock); 3503 break; 3504 } 3505 3506 spin_unlock_bh(&ar->data_lock); 3507 } 3508 3509 static void ath11k_scan_timeout_work(struct work_struct *work) 3510 { 3511 struct ath11k *ar = container_of(work, struct ath11k, 3512 scan.timeout.work); 3513 3514 mutex_lock(&ar->conf_mutex); 3515 ath11k_scan_abort(ar); 3516 mutex_unlock(&ar->conf_mutex); 3517 } 3518 3519 static int ath11k_start_scan(struct ath11k *ar, 3520 struct scan_req_params *arg) 3521 { 3522 int ret; 3523 unsigned long timeout = 1 * HZ; 3524 3525 lockdep_assert_held(&ar->conf_mutex); 3526 3527 if (ath11k_spectral_get_mode(ar) == ATH11K_SPECTRAL_BACKGROUND) 3528 ath11k_spectral_reset_buffer(ar); 3529 3530 ret = ath11k_wmi_send_scan_start_cmd(ar, arg); 3531 if (ret) 3532 return ret; 3533 3534 if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) { 3535 timeout = 5 * HZ; 3536 3537 if (ar->supports_6ghz) 3538 timeout += 5 * HZ; 3539 } 3540 3541 ret = wait_for_completion_timeout(&ar->scan.started, timeout); 3542 if (ret == 0) { 3543 ret = ath11k_scan_stop(ar); 3544 if (ret) 3545 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret); 3546 3547 return -ETIMEDOUT; 3548 } 3549 3550 /* If we failed to start the scan, return error code at 3551 * this point. This is probably due to some issue in the 3552 * firmware, but no need to wedge the driver due to that... 3553 */ 3554 spin_lock_bh(&ar->data_lock); 3555 if (ar->scan.state == ATH11K_SCAN_IDLE) { 3556 spin_unlock_bh(&ar->data_lock); 3557 return -EINVAL; 3558 } 3559 spin_unlock_bh(&ar->data_lock); 3560 3561 return 0; 3562 } 3563 3564 static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw, 3565 struct ieee80211_vif *vif, 3566 struct ieee80211_scan_request *hw_req) 3567 { 3568 struct ath11k *ar = hw->priv; 3569 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3570 struct cfg80211_scan_request *req = &hw_req->req; 3571 struct scan_req_params arg; 3572 int ret = 0; 3573 int i; 3574 3575 mutex_lock(&ar->conf_mutex); 3576 3577 spin_lock_bh(&ar->data_lock); 3578 switch (ar->scan.state) { 3579 case ATH11K_SCAN_IDLE: 3580 reinit_completion(&ar->scan.started); 3581 reinit_completion(&ar->scan.completed); 3582 ar->scan.state = ATH11K_SCAN_STARTING; 3583 ar->scan.is_roc = false; 3584 ar->scan.vdev_id = arvif->vdev_id; 3585 ret = 0; 3586 break; 3587 case ATH11K_SCAN_STARTING: 3588 case ATH11K_SCAN_RUNNING: 3589 case ATH11K_SCAN_ABORTING: 3590 ret = -EBUSY; 3591 break; 3592 } 3593 spin_unlock_bh(&ar->data_lock); 3594 3595 if (ret) 3596 goto exit; 3597 3598 /* Currently the pending_11d=true only happened 1 time while 3599 * wlan interface up in ath11k_mac_11d_scan_start(), it is called by 3600 * ath11k_mac_op_add_interface(), after wlan interface up, 3601 * pending_11d=false always. 3602 * If remove below wait, it always happened scan fail and lead connect 3603 * fail while wlan interface up, because it has a 11d scan which is running 3604 * in firmware, and lead this scan failed. 3605 */ 3606 if (ar->pending_11d) { 3607 long time_left; 3608 unsigned long timeout = 5 * HZ; 3609 3610 if (ar->supports_6ghz) 3611 timeout += 5 * HZ; 3612 3613 time_left = wait_for_completion_timeout(&ar->finish_11d_ch_list, timeout); 3614 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3615 "mac wait 11d channel list time left %ld\n", time_left); 3616 } 3617 3618 memset(&arg, 0, sizeof(arg)); 3619 ath11k_wmi_start_scan_init(ar, &arg); 3620 arg.vdev_id = arvif->vdev_id; 3621 arg.scan_id = ATH11K_SCAN_ID; 3622 3623 if (req->ie_len) { 3624 arg.extraie.ptr = kmemdup(req->ie, req->ie_len, GFP_KERNEL); 3625 if (!arg.extraie.ptr) { 3626 ret = -ENOMEM; 3627 goto exit; 3628 } 3629 arg.extraie.len = req->ie_len; 3630 } 3631 3632 if (req->n_ssids) { 3633 arg.num_ssids = req->n_ssids; 3634 for (i = 0; i < arg.num_ssids; i++) { 3635 arg.ssid[i].length = req->ssids[i].ssid_len; 3636 memcpy(&arg.ssid[i].ssid, req->ssids[i].ssid, 3637 req->ssids[i].ssid_len); 3638 } 3639 } else { 3640 arg.scan_flags |= WMI_SCAN_FLAG_PASSIVE; 3641 } 3642 3643 if (req->n_channels) { 3644 arg.num_chan = req->n_channels; 3645 arg.chan_list = kcalloc(arg.num_chan, sizeof(*arg.chan_list), 3646 GFP_KERNEL); 3647 3648 if (!arg.chan_list) { 3649 ret = -ENOMEM; 3650 goto exit; 3651 } 3652 3653 for (i = 0; i < arg.num_chan; i++) 3654 arg.chan_list[i] = req->channels[i]->center_freq; 3655 } 3656 3657 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 3658 arg.scan_f_add_spoofed_mac_in_probe = 1; 3659 ether_addr_copy(arg.mac_addr.addr, req->mac_addr); 3660 ether_addr_copy(arg.mac_mask.addr, req->mac_addr_mask); 3661 } 3662 3663 ret = ath11k_start_scan(ar, &arg); 3664 if (ret) { 3665 ath11k_warn(ar->ab, "failed to start hw scan: %d\n", ret); 3666 spin_lock_bh(&ar->data_lock); 3667 ar->scan.state = ATH11K_SCAN_IDLE; 3668 spin_unlock_bh(&ar->data_lock); 3669 } 3670 3671 /* Add a 200ms margin to account for event/command processing */ 3672 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, 3673 msecs_to_jiffies(arg.max_scan_time + 3674 ATH11K_MAC_SCAN_TIMEOUT_MSECS)); 3675 3676 exit: 3677 kfree(arg.chan_list); 3678 3679 if (req->ie_len) 3680 kfree(arg.extraie.ptr); 3681 3682 mutex_unlock(&ar->conf_mutex); 3683 return ret; 3684 } 3685 3686 static void ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw *hw, 3687 struct ieee80211_vif *vif) 3688 { 3689 struct ath11k *ar = hw->priv; 3690 3691 mutex_lock(&ar->conf_mutex); 3692 ath11k_scan_abort(ar); 3693 mutex_unlock(&ar->conf_mutex); 3694 3695 cancel_delayed_work_sync(&ar->scan.timeout); 3696 } 3697 3698 static int ath11k_install_key(struct ath11k_vif *arvif, 3699 struct ieee80211_key_conf *key, 3700 enum set_key_cmd cmd, 3701 const u8 *macaddr, u32 flags) 3702 { 3703 int ret; 3704 struct ath11k *ar = arvif->ar; 3705 struct wmi_vdev_install_key_arg arg = { 3706 .vdev_id = arvif->vdev_id, 3707 .key_idx = key->keyidx, 3708 .key_len = key->keylen, 3709 .key_data = key->key, 3710 .key_flags = flags, 3711 .macaddr = macaddr, 3712 }; 3713 3714 lockdep_assert_held(&arvif->ar->conf_mutex); 3715 3716 reinit_completion(&ar->install_key_done); 3717 3718 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags)) 3719 return 0; 3720 3721 if (cmd == DISABLE_KEY) { 3722 arg.key_cipher = WMI_CIPHER_NONE; 3723 arg.key_data = NULL; 3724 goto install; 3725 } 3726 3727 switch (key->cipher) { 3728 case WLAN_CIPHER_SUITE_CCMP: 3729 arg.key_cipher = WMI_CIPHER_AES_CCM; 3730 /* TODO: Re-check if flag is valid */ 3731 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; 3732 break; 3733 case WLAN_CIPHER_SUITE_TKIP: 3734 arg.key_cipher = WMI_CIPHER_TKIP; 3735 arg.key_txmic_len = 8; 3736 arg.key_rxmic_len = 8; 3737 break; 3738 case WLAN_CIPHER_SUITE_CCMP_256: 3739 arg.key_cipher = WMI_CIPHER_AES_CCM; 3740 break; 3741 case WLAN_CIPHER_SUITE_GCMP: 3742 case WLAN_CIPHER_SUITE_GCMP_256: 3743 arg.key_cipher = WMI_CIPHER_AES_GCM; 3744 break; 3745 default: 3746 ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher); 3747 return -EOPNOTSUPP; 3748 } 3749 3750 if (test_bit(ATH11K_FLAG_RAW_MODE, &ar->ab->dev_flags)) 3751 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV | 3752 IEEE80211_KEY_FLAG_RESERVE_TAILROOM; 3753 3754 install: 3755 ret = ath11k_wmi_vdev_install_key(arvif->ar, &arg); 3756 3757 if (ret) 3758 return ret; 3759 3760 if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ)) 3761 return -ETIMEDOUT; 3762 3763 return ar->install_key_status ? -EINVAL : 0; 3764 } 3765 3766 static int ath11k_clear_peer_keys(struct ath11k_vif *arvif, 3767 const u8 *addr) 3768 { 3769 struct ath11k *ar = arvif->ar; 3770 struct ath11k_base *ab = ar->ab; 3771 struct ath11k_peer *peer; 3772 int first_errno = 0; 3773 int ret; 3774 int i; 3775 u32 flags = 0; 3776 3777 lockdep_assert_held(&ar->conf_mutex); 3778 3779 spin_lock_bh(&ab->base_lock); 3780 peer = ath11k_peer_find(ab, arvif->vdev_id, addr); 3781 spin_unlock_bh(&ab->base_lock); 3782 3783 if (!peer) 3784 return -ENOENT; 3785 3786 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { 3787 if (!peer->keys[i]) 3788 continue; 3789 3790 /* key flags are not required to delete the key */ 3791 ret = ath11k_install_key(arvif, peer->keys[i], 3792 DISABLE_KEY, addr, flags); 3793 if (ret < 0 && first_errno == 0) 3794 first_errno = ret; 3795 3796 if (ret < 0) 3797 ath11k_warn(ab, "failed to remove peer key %d: %d\n", 3798 i, ret); 3799 3800 spin_lock_bh(&ab->base_lock); 3801 peer->keys[i] = NULL; 3802 spin_unlock_bh(&ab->base_lock); 3803 } 3804 3805 return first_errno; 3806 } 3807 3808 static int ath11k_mac_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 3809 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 3810 struct ieee80211_key_conf *key) 3811 { 3812 struct ath11k *ar = hw->priv; 3813 struct ath11k_base *ab = ar->ab; 3814 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 3815 struct ath11k_peer *peer; 3816 struct ath11k_sta *arsta; 3817 const u8 *peer_addr; 3818 int ret = 0; 3819 u32 flags = 0; 3820 3821 /* BIP needs to be done in software */ 3822 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 3823 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 3824 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 || 3825 key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256) 3826 return 1; 3827 3828 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags)) 3829 return 1; 3830 3831 if (key->keyidx > WMI_MAX_KEY_INDEX) 3832 return -ENOSPC; 3833 3834 mutex_lock(&ar->conf_mutex); 3835 3836 if (sta) 3837 peer_addr = sta->addr; 3838 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 3839 peer_addr = vif->bss_conf.bssid; 3840 else 3841 peer_addr = vif->addr; 3842 3843 key->hw_key_idx = key->keyidx; 3844 3845 /* the peer should not disappear in mid-way (unless FW goes awry) since 3846 * we already hold conf_mutex. we just make sure its there now. 3847 */ 3848 spin_lock_bh(&ab->base_lock); 3849 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr); 3850 3851 /* flush the fragments cache during key (re)install to 3852 * ensure all frags in the new frag list belong to the same key. 3853 */ 3854 if (peer && sta && cmd == SET_KEY) 3855 ath11k_peer_frags_flush(ar, peer); 3856 spin_unlock_bh(&ab->base_lock); 3857 3858 if (!peer) { 3859 if (cmd == SET_KEY) { 3860 ath11k_warn(ab, "cannot install key for non-existent peer %pM\n", 3861 peer_addr); 3862 ret = -EOPNOTSUPP; 3863 goto exit; 3864 } else { 3865 /* if the peer doesn't exist there is no key to disable 3866 * anymore 3867 */ 3868 goto exit; 3869 } 3870 } 3871 3872 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 3873 flags |= WMI_KEY_PAIRWISE; 3874 else 3875 flags |= WMI_KEY_GROUP; 3876 3877 ret = ath11k_install_key(arvif, key, cmd, peer_addr, flags); 3878 if (ret) { 3879 ath11k_warn(ab, "ath11k_install_key failed (%d)\n", ret); 3880 goto exit; 3881 } 3882 3883 ret = ath11k_dp_peer_rx_pn_replay_config(arvif, peer_addr, cmd, key); 3884 if (ret) { 3885 ath11k_warn(ab, "failed to offload PN replay detection %d\n", ret); 3886 goto exit; 3887 } 3888 3889 spin_lock_bh(&ab->base_lock); 3890 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr); 3891 if (peer && cmd == SET_KEY) { 3892 peer->keys[key->keyidx] = key; 3893 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 3894 peer->ucast_keyidx = key->keyidx; 3895 peer->sec_type = ath11k_dp_tx_get_encrypt_type(key->cipher); 3896 } else { 3897 peer->mcast_keyidx = key->keyidx; 3898 peer->sec_type_grp = ath11k_dp_tx_get_encrypt_type(key->cipher); 3899 } 3900 } else if (peer && cmd == DISABLE_KEY) { 3901 peer->keys[key->keyidx] = NULL; 3902 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 3903 peer->ucast_keyidx = 0; 3904 else 3905 peer->mcast_keyidx = 0; 3906 } else if (!peer) 3907 /* impossible unless FW goes crazy */ 3908 ath11k_warn(ab, "peer %pM disappeared!\n", peer_addr); 3909 3910 if (sta) { 3911 arsta = (struct ath11k_sta *)sta->drv_priv; 3912 3913 switch (key->cipher) { 3914 case WLAN_CIPHER_SUITE_TKIP: 3915 case WLAN_CIPHER_SUITE_CCMP: 3916 case WLAN_CIPHER_SUITE_CCMP_256: 3917 case WLAN_CIPHER_SUITE_GCMP: 3918 case WLAN_CIPHER_SUITE_GCMP_256: 3919 if (cmd == SET_KEY) 3920 arsta->pn_type = HAL_PN_TYPE_WPA; 3921 else 3922 arsta->pn_type = HAL_PN_TYPE_NONE; 3923 break; 3924 default: 3925 arsta->pn_type = HAL_PN_TYPE_NONE; 3926 break; 3927 } 3928 } 3929 3930 spin_unlock_bh(&ab->base_lock); 3931 3932 exit: 3933 mutex_unlock(&ar->conf_mutex); 3934 return ret; 3935 } 3936 3937 static int 3938 ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k *ar, 3939 enum nl80211_band band, 3940 const struct cfg80211_bitrate_mask *mask) 3941 { 3942 int num_rates = 0; 3943 int i; 3944 3945 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) 3946 num_rates += hweight16(mask->control[band].vht_mcs[i]); 3947 3948 return num_rates; 3949 } 3950 3951 static int 3952 ath11k_mac_bitrate_mask_num_he_rates(struct ath11k *ar, 3953 enum nl80211_band band, 3954 const struct cfg80211_bitrate_mask *mask) 3955 { 3956 int num_rates = 0; 3957 int i; 3958 3959 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) 3960 num_rates += hweight16(mask->control[band].he_mcs[i]); 3961 3962 return num_rates; 3963 } 3964 3965 static int 3966 ath11k_mac_set_peer_vht_fixed_rate(struct ath11k_vif *arvif, 3967 struct ieee80211_sta *sta, 3968 const struct cfg80211_bitrate_mask *mask, 3969 enum nl80211_band band) 3970 { 3971 struct ath11k *ar = arvif->ar; 3972 u8 vht_rate, nss; 3973 u32 rate_code; 3974 int ret, i; 3975 3976 lockdep_assert_held(&ar->conf_mutex); 3977 3978 nss = 0; 3979 3980 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 3981 if (hweight16(mask->control[band].vht_mcs[i]) == 1) { 3982 nss = i + 1; 3983 vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1; 3984 } 3985 } 3986 3987 if (!nss) { 3988 ath11k_warn(ar->ab, "No single VHT Fixed rate found to set for %pM", 3989 sta->addr); 3990 return -EINVAL; 3991 } 3992 3993 /* Avoid updating invalid nss as fixed rate*/ 3994 if (nss > sta->rx_nss) 3995 return -EINVAL; 3996 3997 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 3998 "Setting Fixed VHT Rate for peer %pM. Device will not switch to any other selected rates", 3999 sta->addr); 4000 4001 rate_code = ATH11K_HW_RATE_CODE(vht_rate, nss - 1, 4002 WMI_RATE_PREAMBLE_VHT); 4003 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4004 arvif->vdev_id, 4005 WMI_PEER_PARAM_FIXED_RATE, 4006 rate_code); 4007 if (ret) 4008 ath11k_warn(ar->ab, 4009 "failed to update STA %pM Fixed Rate %d: %d\n", 4010 sta->addr, rate_code, ret); 4011 4012 return ret; 4013 } 4014 4015 static int 4016 ath11k_mac_set_peer_he_fixed_rate(struct ath11k_vif *arvif, 4017 struct ieee80211_sta *sta, 4018 const struct cfg80211_bitrate_mask *mask, 4019 enum nl80211_band band) 4020 { 4021 struct ath11k *ar = arvif->ar; 4022 u8 he_rate, nss; 4023 u32 rate_code; 4024 int ret, i; 4025 4026 lockdep_assert_held(&ar->conf_mutex); 4027 4028 nss = 0; 4029 4030 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) { 4031 if (hweight16(mask->control[band].he_mcs[i]) == 1) { 4032 nss = i + 1; 4033 he_rate = ffs(mask->control[band].he_mcs[i]) - 1; 4034 } 4035 } 4036 4037 if (!nss) { 4038 ath11k_warn(ar->ab, "No single he fixed rate found to set for %pM", 4039 sta->addr); 4040 return -EINVAL; 4041 } 4042 4043 /* Avoid updating invalid nss as fixed rate */ 4044 if (nss > sta->rx_nss) 4045 return -EINVAL; 4046 4047 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 4048 "mac setting fixed he rate for peer %pM, device will not switch to any other selected rates", 4049 sta->addr); 4050 4051 rate_code = ATH11K_HW_RATE_CODE(he_rate, nss - 1, 4052 WMI_RATE_PREAMBLE_HE); 4053 4054 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4055 arvif->vdev_id, 4056 WMI_PEER_PARAM_FIXED_RATE, 4057 rate_code); 4058 if (ret) 4059 ath11k_warn(ar->ab, 4060 "failed to update sta %pM fixed rate %d: %d\n", 4061 sta->addr, rate_code, ret); 4062 4063 return ret; 4064 } 4065 4066 static int ath11k_station_assoc(struct ath11k *ar, 4067 struct ieee80211_vif *vif, 4068 struct ieee80211_sta *sta, 4069 bool reassoc) 4070 { 4071 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4072 struct peer_assoc_params peer_arg; 4073 int ret = 0; 4074 struct cfg80211_chan_def def; 4075 enum nl80211_band band; 4076 struct cfg80211_bitrate_mask *mask; 4077 u8 num_vht_rates, num_he_rates; 4078 4079 lockdep_assert_held(&ar->conf_mutex); 4080 4081 if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) 4082 return -EPERM; 4083 4084 band = def.chan->band; 4085 mask = &arvif->bitrate_mask; 4086 4087 ath11k_peer_assoc_prepare(ar, vif, sta, &peer_arg, reassoc); 4088 4089 peer_arg.is_assoc = true; 4090 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); 4091 if (ret) { 4092 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n", 4093 sta->addr, arvif->vdev_id, ret); 4094 return ret; 4095 } 4096 4097 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) { 4098 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", 4099 sta->addr, arvif->vdev_id); 4100 return -ETIMEDOUT; 4101 } 4102 4103 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask); 4104 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask); 4105 4106 /* If single VHT/HE rate is configured (by set_bitrate_mask()), 4107 * peer_assoc will disable VHT/HE. This is now enabled by a peer specific 4108 * fixed param. 4109 * Note that all other rates and NSS will be disabled for this peer. 4110 */ 4111 if (sta->vht_cap.vht_supported && num_vht_rates == 1) { 4112 ret = ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask, 4113 band); 4114 if (ret) 4115 return ret; 4116 } else if (sta->he_cap.has_he && num_he_rates == 1) { 4117 ret = ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask, 4118 band); 4119 if (ret) 4120 return ret; 4121 } 4122 4123 /* Re-assoc is run only to update supported rates for given station. It 4124 * doesn't make much sense to reconfigure the peer completely. 4125 */ 4126 if (reassoc) 4127 return 0; 4128 4129 ret = ath11k_setup_peer_smps(ar, arvif, sta->addr, 4130 &sta->ht_cap, le16_to_cpu(sta->he_6ghz_capa.capa)); 4131 if (ret) { 4132 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n", 4133 arvif->vdev_id, ret); 4134 return ret; 4135 } 4136 4137 if (!sta->wme) { 4138 arvif->num_legacy_stations++; 4139 ret = ath11k_recalc_rtscts_prot(arvif); 4140 if (ret) 4141 return ret; 4142 } 4143 4144 if (sta->wme && sta->uapsd_queues) { 4145 ret = ath11k_peer_assoc_qos_ap(ar, arvif, sta); 4146 if (ret) { 4147 ath11k_warn(ar->ab, "failed to set qos params for STA %pM for vdev %i: %d\n", 4148 sta->addr, arvif->vdev_id, ret); 4149 return ret; 4150 } 4151 } 4152 4153 return 0; 4154 } 4155 4156 static int ath11k_station_disassoc(struct ath11k *ar, 4157 struct ieee80211_vif *vif, 4158 struct ieee80211_sta *sta) 4159 { 4160 struct ath11k_vif *arvif = (void *)vif->drv_priv; 4161 int ret = 0; 4162 4163 lockdep_assert_held(&ar->conf_mutex); 4164 4165 if (!sta->wme) { 4166 arvif->num_legacy_stations--; 4167 ret = ath11k_recalc_rtscts_prot(arvif); 4168 if (ret) 4169 return ret; 4170 } 4171 4172 ret = ath11k_clear_peer_keys(arvif, sta->addr); 4173 if (ret) { 4174 ath11k_warn(ar->ab, "failed to clear all peer keys for vdev %i: %d\n", 4175 arvif->vdev_id, ret); 4176 return ret; 4177 } 4178 return 0; 4179 } 4180 4181 static void ath11k_sta_rc_update_wk(struct work_struct *wk) 4182 { 4183 struct ath11k *ar; 4184 struct ath11k_vif *arvif; 4185 struct ath11k_sta *arsta; 4186 struct ieee80211_sta *sta; 4187 struct cfg80211_chan_def def; 4188 enum nl80211_band band; 4189 const u8 *ht_mcs_mask; 4190 const u16 *vht_mcs_mask; 4191 const u16 *he_mcs_mask; 4192 u32 changed, bw, nss, smps; 4193 int err, num_vht_rates, num_he_rates; 4194 const struct cfg80211_bitrate_mask *mask; 4195 struct peer_assoc_params peer_arg; 4196 4197 arsta = container_of(wk, struct ath11k_sta, update_wk); 4198 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 4199 arvif = arsta->arvif; 4200 ar = arvif->ar; 4201 4202 if (WARN_ON(ath11k_mac_vif_chan(arvif->vif, &def))) 4203 return; 4204 4205 band = def.chan->band; 4206 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 4207 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 4208 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs; 4209 4210 spin_lock_bh(&ar->data_lock); 4211 4212 changed = arsta->changed; 4213 arsta->changed = 0; 4214 4215 bw = arsta->bw; 4216 nss = arsta->nss; 4217 smps = arsta->smps; 4218 4219 spin_unlock_bh(&ar->data_lock); 4220 4221 mutex_lock(&ar->conf_mutex); 4222 4223 nss = max_t(u32, 1, nss); 4224 nss = min(nss, max(max(ath11k_mac_max_ht_nss(ht_mcs_mask), 4225 ath11k_mac_max_vht_nss(vht_mcs_mask)), 4226 ath11k_mac_max_he_nss(he_mcs_mask))); 4227 4228 if (changed & IEEE80211_RC_BW_CHANGED) { 4229 /* Send peer assoc command before set peer bandwidth param to 4230 * avoid the mismatch between the peer phymode and the peer 4231 * bandwidth. 4232 */ 4233 ath11k_peer_assoc_prepare(ar, arvif->vif, sta, &peer_arg, true); 4234 4235 peer_arg.is_assoc = false; 4236 err = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); 4237 if (err) { 4238 ath11k_warn(ar->ab, "failed to send peer assoc for STA %pM vdev %i: %d\n", 4239 sta->addr, arvif->vdev_id, err); 4240 } else if (wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) { 4241 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 4242 WMI_PEER_CHWIDTH, bw); 4243 if (err) 4244 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n", 4245 sta->addr, bw, err); 4246 } else { 4247 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", 4248 sta->addr, arvif->vdev_id); 4249 } 4250 } 4251 4252 if (changed & IEEE80211_RC_NSS_CHANGED) { 4253 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac update sta %pM nss %d\n", 4254 sta->addr, nss); 4255 4256 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 4257 WMI_PEER_NSS, nss); 4258 if (err) 4259 ath11k_warn(ar->ab, "failed to update STA %pM nss %d: %d\n", 4260 sta->addr, nss, err); 4261 } 4262 4263 if (changed & IEEE80211_RC_SMPS_CHANGED) { 4264 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac update sta %pM smps %d\n", 4265 sta->addr, smps); 4266 4267 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 4268 WMI_PEER_MIMO_PS_STATE, smps); 4269 if (err) 4270 ath11k_warn(ar->ab, "failed to update STA %pM smps %d: %d\n", 4271 sta->addr, smps, err); 4272 } 4273 4274 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { 4275 mask = &arvif->bitrate_mask; 4276 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, 4277 mask); 4278 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, 4279 mask); 4280 4281 /* Peer_assoc_prepare will reject vht rates in 4282 * bitrate_mask if its not available in range format and 4283 * sets vht tx_rateset as unsupported. So multiple VHT MCS 4284 * setting(eg. MCS 4,5,6) per peer is not supported here. 4285 * But, Single rate in VHT mask can be set as per-peer 4286 * fixed rate. But even if any HT rates are configured in 4287 * the bitrate mask, device will not switch to those rates 4288 * when per-peer Fixed rate is set. 4289 * TODO: Check RATEMASK_CMDID to support auto rates selection 4290 * across HT/VHT and for multiple VHT MCS support. 4291 */ 4292 if (sta->vht_cap.vht_supported && num_vht_rates == 1) { 4293 ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask, 4294 band); 4295 } else if (sta->he_cap.has_he && num_he_rates == 1) { 4296 ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask, 4297 band); 4298 } else { 4299 /* If the peer is non-VHT/HE or no fixed VHT/HE rate 4300 * is provided in the new bitrate mask we set the 4301 * other rates using peer_assoc command. Also clear 4302 * the peer fixed rate settings as it has higher proprity 4303 * than peer assoc 4304 */ 4305 err = ath11k_wmi_set_peer_param(ar, sta->addr, 4306 arvif->vdev_id, 4307 WMI_PEER_PARAM_FIXED_RATE, 4308 WMI_FIXED_RATE_NONE); 4309 if (err) 4310 ath11k_warn(ar->ab, 4311 "failed to disable peer fixed rate for sta %pM: %d\n", 4312 sta->addr, err); 4313 4314 ath11k_peer_assoc_prepare(ar, arvif->vif, sta, 4315 &peer_arg, true); 4316 4317 peer_arg.is_assoc = false; 4318 err = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); 4319 if (err) 4320 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n", 4321 sta->addr, arvif->vdev_id, err); 4322 4323 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) 4324 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", 4325 sta->addr, arvif->vdev_id); 4326 } 4327 } 4328 4329 mutex_unlock(&ar->conf_mutex); 4330 } 4331 4332 static void ath11k_sta_set_4addr_wk(struct work_struct *wk) 4333 { 4334 struct ath11k *ar; 4335 struct ath11k_vif *arvif; 4336 struct ath11k_sta *arsta; 4337 struct ieee80211_sta *sta; 4338 int ret = 0; 4339 4340 arsta = container_of(wk, struct ath11k_sta, set_4addr_wk); 4341 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 4342 arvif = arsta->arvif; 4343 ar = arvif->ar; 4344 4345 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 4346 "setting USE_4ADDR for peer %pM\n", sta->addr); 4347 4348 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4349 arvif->vdev_id, 4350 WMI_PEER_USE_4ADDR, 1); 4351 4352 if (ret) 4353 ath11k_warn(ar->ab, "failed to set peer %pM 4addr capability: %d\n", 4354 sta->addr, ret); 4355 } 4356 4357 static int ath11k_mac_inc_num_stations(struct ath11k_vif *arvif, 4358 struct ieee80211_sta *sta) 4359 { 4360 struct ath11k *ar = arvif->ar; 4361 4362 lockdep_assert_held(&ar->conf_mutex); 4363 4364 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 4365 return 0; 4366 4367 if (ar->num_stations >= ar->max_num_stations) 4368 return -ENOBUFS; 4369 4370 ar->num_stations++; 4371 4372 return 0; 4373 } 4374 4375 static void ath11k_mac_dec_num_stations(struct ath11k_vif *arvif, 4376 struct ieee80211_sta *sta) 4377 { 4378 struct ath11k *ar = arvif->ar; 4379 4380 lockdep_assert_held(&ar->conf_mutex); 4381 4382 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 4383 return; 4384 4385 ar->num_stations--; 4386 } 4387 4388 static int ath11k_mac_station_add(struct ath11k *ar, 4389 struct ieee80211_vif *vif, 4390 struct ieee80211_sta *sta) 4391 { 4392 struct ath11k_base *ab = ar->ab; 4393 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4394 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; 4395 struct peer_create_params peer_param; 4396 int ret; 4397 4398 lockdep_assert_held(&ar->conf_mutex); 4399 4400 ret = ath11k_mac_inc_num_stations(arvif, sta); 4401 if (ret) { 4402 ath11k_warn(ab, "refusing to associate station: too many connected already (%d)\n", 4403 ar->max_num_stations); 4404 goto exit; 4405 } 4406 4407 arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL); 4408 if (!arsta->rx_stats) { 4409 ret = -ENOMEM; 4410 goto dec_num_station; 4411 } 4412 4413 peer_param.vdev_id = arvif->vdev_id; 4414 peer_param.peer_addr = sta->addr; 4415 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT; 4416 4417 ret = ath11k_peer_create(ar, arvif, sta, &peer_param); 4418 if (ret) { 4419 ath11k_warn(ab, "Failed to add peer: %pM for VDEV: %d\n", 4420 sta->addr, arvif->vdev_id); 4421 goto free_rx_stats; 4422 } 4423 4424 ath11k_dbg(ab, ATH11K_DBG_MAC, "Added peer: %pM for VDEV: %d\n", 4425 sta->addr, arvif->vdev_id); 4426 4427 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar)) { 4428 arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), GFP_KERNEL); 4429 if (!arsta->tx_stats) { 4430 ret = -ENOMEM; 4431 goto free_peer; 4432 } 4433 } 4434 4435 if (ieee80211_vif_is_mesh(vif)) { 4436 ath11k_dbg(ab, ATH11K_DBG_MAC, 4437 "setting USE_4ADDR for mesh STA %pM\n", sta->addr); 4438 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4439 arvif->vdev_id, 4440 WMI_PEER_USE_4ADDR, 1); 4441 if (ret) { 4442 ath11k_warn(ab, "failed to set mesh STA %pM 4addr capability: %d\n", 4443 sta->addr, ret); 4444 goto free_tx_stats; 4445 } 4446 } 4447 4448 ret = ath11k_dp_peer_setup(ar, arvif->vdev_id, sta->addr); 4449 if (ret) { 4450 ath11k_warn(ab, "failed to setup dp for peer %pM on vdev %i (%d)\n", 4451 sta->addr, arvif->vdev_id, ret); 4452 goto free_tx_stats; 4453 } 4454 4455 if (ab->hw_params.vdev_start_delay && 4456 !arvif->is_started && 4457 arvif->vdev_type != WMI_VDEV_TYPE_AP) { 4458 ret = ath11k_start_vdev_delay(ar->hw, vif); 4459 if (ret) { 4460 ath11k_warn(ab, "failed to delay vdev start: %d\n", ret); 4461 goto free_tx_stats; 4462 } 4463 } 4464 4465 return 0; 4466 4467 free_tx_stats: 4468 kfree(arsta->tx_stats); 4469 arsta->tx_stats = NULL; 4470 free_peer: 4471 ath11k_peer_delete(ar, arvif->vdev_id, sta->addr); 4472 free_rx_stats: 4473 kfree(arsta->rx_stats); 4474 arsta->rx_stats = NULL; 4475 dec_num_station: 4476 ath11k_mac_dec_num_stations(arvif, sta); 4477 exit: 4478 return ret; 4479 } 4480 4481 static int ath11k_mac_op_sta_state(struct ieee80211_hw *hw, 4482 struct ieee80211_vif *vif, 4483 struct ieee80211_sta *sta, 4484 enum ieee80211_sta_state old_state, 4485 enum ieee80211_sta_state new_state) 4486 { 4487 struct ath11k *ar = hw->priv; 4488 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4489 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; 4490 struct ath11k_peer *peer; 4491 int ret = 0; 4492 4493 /* cancel must be done outside the mutex to avoid deadlock */ 4494 if ((old_state == IEEE80211_STA_NONE && 4495 new_state == IEEE80211_STA_NOTEXIST)) { 4496 cancel_work_sync(&arsta->update_wk); 4497 cancel_work_sync(&arsta->set_4addr_wk); 4498 } 4499 4500 mutex_lock(&ar->conf_mutex); 4501 4502 if (old_state == IEEE80211_STA_NOTEXIST && 4503 new_state == IEEE80211_STA_NONE) { 4504 memset(arsta, 0, sizeof(*arsta)); 4505 arsta->arvif = arvif; 4506 INIT_WORK(&arsta->update_wk, ath11k_sta_rc_update_wk); 4507 INIT_WORK(&arsta->set_4addr_wk, ath11k_sta_set_4addr_wk); 4508 4509 ret = ath11k_mac_station_add(ar, vif, sta); 4510 if (ret) 4511 ath11k_warn(ar->ab, "Failed to add station: %pM for VDEV: %d\n", 4512 sta->addr, arvif->vdev_id); 4513 } else if ((old_state == IEEE80211_STA_NONE && 4514 new_state == IEEE80211_STA_NOTEXIST)) { 4515 bool skip_peer_delete = ar->ab->hw_params.vdev_start_delay && 4516 vif->type == NL80211_IFTYPE_STATION; 4517 4518 ath11k_dp_peer_cleanup(ar, arvif->vdev_id, sta->addr); 4519 4520 if (!skip_peer_delete) { 4521 ret = ath11k_peer_delete(ar, arvif->vdev_id, sta->addr); 4522 if (ret) 4523 ath11k_warn(ar->ab, 4524 "Failed to delete peer: %pM for VDEV: %d\n", 4525 sta->addr, arvif->vdev_id); 4526 else 4527 ath11k_dbg(ar->ab, 4528 ATH11K_DBG_MAC, 4529 "Removed peer: %pM for VDEV: %d\n", 4530 sta->addr, arvif->vdev_id); 4531 } 4532 4533 ath11k_mac_dec_num_stations(arvif, sta); 4534 spin_lock_bh(&ar->ab->base_lock); 4535 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 4536 if (skip_peer_delete && peer) { 4537 peer->sta = NULL; 4538 } else if (peer && peer->sta == sta) { 4539 ath11k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n", 4540 vif->addr, arvif->vdev_id); 4541 peer->sta = NULL; 4542 list_del(&peer->list); 4543 kfree(peer); 4544 ar->num_peers--; 4545 } 4546 spin_unlock_bh(&ar->ab->base_lock); 4547 4548 kfree(arsta->tx_stats); 4549 arsta->tx_stats = NULL; 4550 4551 kfree(arsta->rx_stats); 4552 arsta->rx_stats = NULL; 4553 } else if (old_state == IEEE80211_STA_AUTH && 4554 new_state == IEEE80211_STA_ASSOC && 4555 (vif->type == NL80211_IFTYPE_AP || 4556 vif->type == NL80211_IFTYPE_MESH_POINT || 4557 vif->type == NL80211_IFTYPE_ADHOC)) { 4558 ret = ath11k_station_assoc(ar, vif, sta, false); 4559 if (ret) 4560 ath11k_warn(ar->ab, "Failed to associate station: %pM\n", 4561 sta->addr); 4562 } else if (old_state == IEEE80211_STA_ASSOC && 4563 new_state == IEEE80211_STA_AUTHORIZED) { 4564 spin_lock_bh(&ar->ab->base_lock); 4565 4566 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 4567 if (peer) 4568 peer->is_authorized = true; 4569 4570 spin_unlock_bh(&ar->ab->base_lock); 4571 4572 if (vif->type == NL80211_IFTYPE_STATION && arvif->is_up) { 4573 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 4574 arvif->vdev_id, 4575 WMI_PEER_AUTHORIZE, 4576 1); 4577 if (ret) 4578 ath11k_warn(ar->ab, "Unable to authorize peer %pM vdev %d: %d\n", 4579 sta->addr, arvif->vdev_id, ret); 4580 } 4581 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4582 new_state == IEEE80211_STA_ASSOC) { 4583 spin_lock_bh(&ar->ab->base_lock); 4584 4585 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 4586 if (peer) 4587 peer->is_authorized = false; 4588 4589 spin_unlock_bh(&ar->ab->base_lock); 4590 } else if (old_state == IEEE80211_STA_ASSOC && 4591 new_state == IEEE80211_STA_AUTH && 4592 (vif->type == NL80211_IFTYPE_AP || 4593 vif->type == NL80211_IFTYPE_MESH_POINT || 4594 vif->type == NL80211_IFTYPE_ADHOC)) { 4595 ret = ath11k_station_disassoc(ar, vif, sta); 4596 if (ret) 4597 ath11k_warn(ar->ab, "Failed to disassociate station: %pM\n", 4598 sta->addr); 4599 } 4600 4601 mutex_unlock(&ar->conf_mutex); 4602 return ret; 4603 } 4604 4605 static int ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw, 4606 struct ieee80211_vif *vif, 4607 struct ieee80211_sta *sta) 4608 { 4609 struct ath11k *ar = hw->priv; 4610 struct ath11k_vif *arvif = (void *)vif->drv_priv; 4611 int ret = 0; 4612 s16 txpwr; 4613 4614 if (sta->txpwr.type == NL80211_TX_POWER_AUTOMATIC) { 4615 txpwr = 0; 4616 } else { 4617 txpwr = sta->txpwr.power; 4618 if (!txpwr) 4619 return -EINVAL; 4620 } 4621 4622 if (txpwr > ATH11K_TX_POWER_MAX_VAL || txpwr < ATH11K_TX_POWER_MIN_VAL) 4623 return -EINVAL; 4624 4625 mutex_lock(&ar->conf_mutex); 4626 4627 ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, 4628 WMI_PEER_USE_FIXED_PWR, txpwr); 4629 if (ret) { 4630 ath11k_warn(ar->ab, "failed to set tx power for station ret: %d\n", 4631 ret); 4632 goto out; 4633 } 4634 4635 out: 4636 mutex_unlock(&ar->conf_mutex); 4637 return ret; 4638 } 4639 4640 static void ath11k_mac_op_sta_set_4addr(struct ieee80211_hw *hw, 4641 struct ieee80211_vif *vif, 4642 struct ieee80211_sta *sta, bool enabled) 4643 { 4644 struct ath11k *ar = hw->priv; 4645 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; 4646 4647 if (enabled && !arsta->use_4addr_set) { 4648 ieee80211_queue_work(ar->hw, &arsta->set_4addr_wk); 4649 arsta->use_4addr_set = true; 4650 } 4651 } 4652 4653 static void ath11k_mac_op_sta_rc_update(struct ieee80211_hw *hw, 4654 struct ieee80211_vif *vif, 4655 struct ieee80211_sta *sta, 4656 u32 changed) 4657 { 4658 struct ath11k *ar = hw->priv; 4659 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; 4660 struct ath11k_vif *arvif = (void *)vif->drv_priv; 4661 struct ath11k_peer *peer; 4662 u32 bw, smps; 4663 4664 spin_lock_bh(&ar->ab->base_lock); 4665 4666 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); 4667 if (!peer) { 4668 spin_unlock_bh(&ar->ab->base_lock); 4669 ath11k_warn(ar->ab, "mac sta rc update failed to find peer %pM on vdev %i\n", 4670 sta->addr, arvif->vdev_id); 4671 return; 4672 } 4673 4674 spin_unlock_bh(&ar->ab->base_lock); 4675 4676 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 4677 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", 4678 sta->addr, changed, sta->bandwidth, sta->rx_nss, 4679 sta->smps_mode); 4680 4681 spin_lock_bh(&ar->data_lock); 4682 4683 if (changed & IEEE80211_RC_BW_CHANGED) { 4684 bw = WMI_PEER_CHWIDTH_20MHZ; 4685 4686 switch (sta->bandwidth) { 4687 case IEEE80211_STA_RX_BW_20: 4688 bw = WMI_PEER_CHWIDTH_20MHZ; 4689 break; 4690 case IEEE80211_STA_RX_BW_40: 4691 bw = WMI_PEER_CHWIDTH_40MHZ; 4692 break; 4693 case IEEE80211_STA_RX_BW_80: 4694 bw = WMI_PEER_CHWIDTH_80MHZ; 4695 break; 4696 case IEEE80211_STA_RX_BW_160: 4697 bw = WMI_PEER_CHWIDTH_160MHZ; 4698 break; 4699 default: 4700 ath11k_warn(ar->ab, "Invalid bandwidth %d in rc update for %pM\n", 4701 sta->bandwidth, sta->addr); 4702 bw = WMI_PEER_CHWIDTH_20MHZ; 4703 break; 4704 } 4705 4706 arsta->bw = bw; 4707 } 4708 4709 if (changed & IEEE80211_RC_NSS_CHANGED) 4710 arsta->nss = sta->rx_nss; 4711 4712 if (changed & IEEE80211_RC_SMPS_CHANGED) { 4713 smps = WMI_PEER_SMPS_PS_NONE; 4714 4715 switch (sta->smps_mode) { 4716 case IEEE80211_SMPS_AUTOMATIC: 4717 case IEEE80211_SMPS_OFF: 4718 smps = WMI_PEER_SMPS_PS_NONE; 4719 break; 4720 case IEEE80211_SMPS_STATIC: 4721 smps = WMI_PEER_SMPS_STATIC; 4722 break; 4723 case IEEE80211_SMPS_DYNAMIC: 4724 smps = WMI_PEER_SMPS_DYNAMIC; 4725 break; 4726 default: 4727 ath11k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n", 4728 sta->smps_mode, sta->addr); 4729 smps = WMI_PEER_SMPS_PS_NONE; 4730 break; 4731 } 4732 4733 arsta->smps = smps; 4734 } 4735 4736 arsta->changed |= changed; 4737 4738 spin_unlock_bh(&ar->data_lock); 4739 4740 ieee80211_queue_work(hw, &arsta->update_wk); 4741 } 4742 4743 static int ath11k_conf_tx_uapsd(struct ath11k *ar, struct ieee80211_vif *vif, 4744 u16 ac, bool enable) 4745 { 4746 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 4747 u32 value = 0; 4748 int ret = 0; 4749 4750 if (arvif->vdev_type != WMI_VDEV_TYPE_STA) 4751 return 0; 4752 4753 switch (ac) { 4754 case IEEE80211_AC_VO: 4755 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | 4756 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; 4757 break; 4758 case IEEE80211_AC_VI: 4759 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | 4760 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; 4761 break; 4762 case IEEE80211_AC_BE: 4763 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | 4764 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; 4765 break; 4766 case IEEE80211_AC_BK: 4767 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | 4768 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; 4769 break; 4770 } 4771 4772 if (enable) 4773 arvif->u.sta.uapsd |= value; 4774 else 4775 arvif->u.sta.uapsd &= ~value; 4776 4777 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 4778 WMI_STA_PS_PARAM_UAPSD, 4779 arvif->u.sta.uapsd); 4780 if (ret) { 4781 ath11k_warn(ar->ab, "could not set uapsd params %d\n", ret); 4782 goto exit; 4783 } 4784 4785 if (arvif->u.sta.uapsd) 4786 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; 4787 else 4788 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 4789 4790 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 4791 WMI_STA_PS_PARAM_RX_WAKE_POLICY, 4792 value); 4793 if (ret) 4794 ath11k_warn(ar->ab, "could not set rx wake param %d\n", ret); 4795 4796 exit: 4797 return ret; 4798 } 4799 4800 static int ath11k_mac_op_conf_tx(struct ieee80211_hw *hw, 4801 struct ieee80211_vif *vif, u16 ac, 4802 const struct ieee80211_tx_queue_params *params) 4803 { 4804 struct ath11k *ar = hw->priv; 4805 struct ath11k_vif *arvif = (void *)vif->drv_priv; 4806 struct wmi_wmm_params_arg *p = NULL; 4807 int ret; 4808 4809 mutex_lock(&ar->conf_mutex); 4810 4811 switch (ac) { 4812 case IEEE80211_AC_VO: 4813 p = &arvif->wmm_params.ac_vo; 4814 break; 4815 case IEEE80211_AC_VI: 4816 p = &arvif->wmm_params.ac_vi; 4817 break; 4818 case IEEE80211_AC_BE: 4819 p = &arvif->wmm_params.ac_be; 4820 break; 4821 case IEEE80211_AC_BK: 4822 p = &arvif->wmm_params.ac_bk; 4823 break; 4824 } 4825 4826 if (WARN_ON(!p)) { 4827 ret = -EINVAL; 4828 goto exit; 4829 } 4830 4831 p->cwmin = params->cw_min; 4832 p->cwmax = params->cw_max; 4833 p->aifs = params->aifs; 4834 p->txop = params->txop; 4835 4836 ret = ath11k_wmi_send_wmm_update_cmd_tlv(ar, arvif->vdev_id, 4837 &arvif->wmm_params); 4838 if (ret) { 4839 ath11k_warn(ar->ab, "failed to set wmm params: %d\n", ret); 4840 goto exit; 4841 } 4842 4843 ret = ath11k_conf_tx_uapsd(ar, vif, ac, params->uapsd); 4844 4845 if (ret) 4846 ath11k_warn(ar->ab, "failed to set sta uapsd: %d\n", ret); 4847 4848 exit: 4849 mutex_unlock(&ar->conf_mutex); 4850 return ret; 4851 } 4852 4853 static struct ieee80211_sta_ht_cap 4854 ath11k_create_ht_cap(struct ath11k *ar, u32 ar_ht_cap, u32 rate_cap_rx_chainmask) 4855 { 4856 int i; 4857 struct ieee80211_sta_ht_cap ht_cap = {0}; 4858 u32 ar_vht_cap = ar->pdev->cap.vht_cap; 4859 4860 if (!(ar_ht_cap & WMI_HT_CAP_ENABLED)) 4861 return ht_cap; 4862 4863 ht_cap.ht_supported = 1; 4864 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 4865 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 4866 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 4867 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; 4868 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; 4869 4870 if (ar_ht_cap & WMI_HT_CAP_HT20_SGI) 4871 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 4872 4873 if (ar_ht_cap & WMI_HT_CAP_HT40_SGI) 4874 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 4875 4876 if (ar_ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) { 4877 u32 smps; 4878 4879 smps = WLAN_HT_CAP_SM_PS_DYNAMIC; 4880 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; 4881 4882 ht_cap.cap |= smps; 4883 } 4884 4885 if (ar_ht_cap & WMI_HT_CAP_TX_STBC) 4886 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 4887 4888 if (ar_ht_cap & WMI_HT_CAP_RX_STBC) { 4889 u32 stbc; 4890 4891 stbc = ar_ht_cap; 4892 stbc &= WMI_HT_CAP_RX_STBC; 4893 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; 4894 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; 4895 stbc &= IEEE80211_HT_CAP_RX_STBC; 4896 4897 ht_cap.cap |= stbc; 4898 } 4899 4900 if (ar_ht_cap & WMI_HT_CAP_RX_LDPC) 4901 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; 4902 4903 if (ar_ht_cap & WMI_HT_CAP_L_SIG_TXOP_PROT) 4904 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; 4905 4906 if (ar_vht_cap & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) 4907 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 4908 4909 for (i = 0; i < ar->num_rx_chains; i++) { 4910 if (rate_cap_rx_chainmask & BIT(i)) 4911 ht_cap.mcs.rx_mask[i] = 0xFF; 4912 } 4913 4914 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; 4915 4916 return ht_cap; 4917 } 4918 4919 static int ath11k_mac_set_txbf_conf(struct ath11k_vif *arvif) 4920 { 4921 u32 value = 0; 4922 struct ath11k *ar = arvif->ar; 4923 int nsts; 4924 int sound_dim; 4925 u32 vht_cap = ar->pdev->cap.vht_cap; 4926 u32 vdev_param = WMI_VDEV_PARAM_TXBF; 4927 4928 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) { 4929 nsts = vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; 4930 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; 4931 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET); 4932 } 4933 4934 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) { 4935 sound_dim = vht_cap & 4936 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 4937 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 4938 if (sound_dim > (ar->num_tx_chains - 1)) 4939 sound_dim = ar->num_tx_chains - 1; 4940 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET); 4941 } 4942 4943 if (!value) 4944 return 0; 4945 4946 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) { 4947 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; 4948 4949 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) && 4950 arvif->vdev_type == WMI_VDEV_TYPE_AP) 4951 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; 4952 } 4953 4954 /* TODO: SUBFEE not validated in HK, disable here until validated? */ 4955 4956 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) { 4957 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; 4958 4959 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) && 4960 arvif->vdev_type == WMI_VDEV_TYPE_STA) 4961 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; 4962 } 4963 4964 return ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 4965 vdev_param, value); 4966 } 4967 4968 static void ath11k_set_vht_txbf_cap(struct ath11k *ar, u32 *vht_cap) 4969 { 4970 bool subfer, subfee; 4971 int sound_dim = 0; 4972 4973 subfer = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)); 4974 subfee = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)); 4975 4976 if (ar->num_tx_chains < 2) { 4977 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE); 4978 subfer = false; 4979 } 4980 4981 /* If SU Beaformer is not set, then disable MU Beamformer Capability */ 4982 if (!subfer) 4983 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 4984 4985 /* If SU Beaformee is not set, then disable MU Beamformee Capability */ 4986 if (!subfee) 4987 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE); 4988 4989 sound_dim = (*vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK); 4990 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 4991 *vht_cap &= ~IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 4992 4993 /* TODO: Need to check invalid STS and Sound_dim values set by FW? */ 4994 4995 /* Enable Sounding Dimension Field only if SU BF is enabled */ 4996 if (subfer) { 4997 if (sound_dim > (ar->num_tx_chains - 1)) 4998 sound_dim = ar->num_tx_chains - 1; 4999 5000 sound_dim <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 5001 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 5002 *vht_cap |= sound_dim; 5003 } 5004 5005 /* Use the STS advertised by FW unless SU Beamformee is not supported*/ 5006 if (!subfee) 5007 *vht_cap &= ~(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK); 5008 } 5009 5010 static struct ieee80211_sta_vht_cap 5011 ath11k_create_vht_cap(struct ath11k *ar, u32 rate_cap_tx_chainmask, 5012 u32 rate_cap_rx_chainmask) 5013 { 5014 struct ieee80211_sta_vht_cap vht_cap = {0}; 5015 u16 txmcs_map, rxmcs_map; 5016 int i; 5017 5018 vht_cap.vht_supported = 1; 5019 vht_cap.cap = ar->pdev->cap.vht_cap; 5020 5021 if (ar->pdev->cap.nss_ratio_enabled) 5022 vht_cap.vht_mcs.tx_highest |= 5023 cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE); 5024 5025 ath11k_set_vht_txbf_cap(ar, &vht_cap.cap); 5026 5027 rxmcs_map = 0; 5028 txmcs_map = 0; 5029 for (i = 0; i < 8; i++) { 5030 if (i < ar->num_tx_chains && rate_cap_tx_chainmask & BIT(i)) 5031 txmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); 5032 else 5033 txmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); 5034 5035 if (i < ar->num_rx_chains && rate_cap_rx_chainmask & BIT(i)) 5036 rxmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); 5037 else 5038 rxmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); 5039 } 5040 5041 if (rate_cap_tx_chainmask <= 1) 5042 vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC; 5043 5044 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_map); 5045 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_map); 5046 5047 return vht_cap; 5048 } 5049 5050 static void ath11k_mac_setup_ht_vht_cap(struct ath11k *ar, 5051 struct ath11k_pdev_cap *cap, 5052 u32 *ht_cap_info) 5053 { 5054 struct ieee80211_supported_band *band; 5055 u32 rate_cap_tx_chainmask; 5056 u32 rate_cap_rx_chainmask; 5057 u32 ht_cap; 5058 5059 rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift; 5060 rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift; 5061 5062 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { 5063 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 5064 ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info; 5065 if (ht_cap_info) 5066 *ht_cap_info = ht_cap; 5067 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap, 5068 rate_cap_rx_chainmask); 5069 } 5070 5071 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && 5072 (ar->ab->hw_params.single_pdev_only || 5073 !ar->supports_6ghz)) { 5074 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 5075 ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info; 5076 if (ht_cap_info) 5077 *ht_cap_info = ht_cap; 5078 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap, 5079 rate_cap_rx_chainmask); 5080 band->vht_cap = ath11k_create_vht_cap(ar, rate_cap_tx_chainmask, 5081 rate_cap_rx_chainmask); 5082 } 5083 } 5084 5085 static int ath11k_check_chain_mask(struct ath11k *ar, u32 ant, bool is_tx_ant) 5086 { 5087 /* TODO: Check the request chainmask against the supported 5088 * chainmask table which is advertised in extented_service_ready event 5089 */ 5090 5091 return 0; 5092 } 5093 5094 static void ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold *fw_ppet, 5095 u8 *he_ppet) 5096 { 5097 int nss, ru; 5098 u8 bit = 7; 5099 5100 he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK; 5101 he_ppet[0] |= (fw_ppet->ru_bit_mask << 5102 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) & 5103 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK; 5104 for (nss = 0; nss <= fw_ppet->numss_m1; nss++) { 5105 for (ru = 0; ru < 4; ru++) { 5106 u8 val; 5107 int i; 5108 5109 if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0) 5110 continue; 5111 val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) & 5112 0x3f; 5113 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3); 5114 for (i = 5; i >= 0; i--) { 5115 he_ppet[bit / 8] |= 5116 ((val >> i) & 0x1) << ((bit % 8)); 5117 bit++; 5118 } 5119 } 5120 } 5121 } 5122 5123 static void 5124 ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem) 5125 { 5126 u8 m; 5127 5128 m = IEEE80211_HE_MAC_CAP0_TWT_RES | 5129 IEEE80211_HE_MAC_CAP0_TWT_REQ; 5130 he_cap_elem->mac_cap_info[0] &= ~m; 5131 5132 m = IEEE80211_HE_MAC_CAP2_TRS | 5133 IEEE80211_HE_MAC_CAP2_BCAST_TWT | 5134 IEEE80211_HE_MAC_CAP2_MU_CASCADING; 5135 he_cap_elem->mac_cap_info[2] &= ~m; 5136 5137 m = IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED | 5138 IEEE80211_HE_MAC_CAP2_BCAST_TWT | 5139 IEEE80211_HE_MAC_CAP2_MU_CASCADING; 5140 he_cap_elem->mac_cap_info[3] &= ~m; 5141 5142 m = IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG | 5143 IEEE80211_HE_MAC_CAP4_BQR; 5144 he_cap_elem->mac_cap_info[4] &= ~m; 5145 5146 m = IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION | 5147 IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU | 5148 IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING | 5149 IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX; 5150 he_cap_elem->mac_cap_info[5] &= ~m; 5151 5152 m = IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 5153 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 5154 he_cap_elem->phy_cap_info[2] &= ~m; 5155 5156 m = IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU | 5157 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK | 5158 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK; 5159 he_cap_elem->phy_cap_info[3] &= ~m; 5160 5161 m = IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 5162 he_cap_elem->phy_cap_info[4] &= ~m; 5163 5164 m = IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 5165 he_cap_elem->phy_cap_info[5] &= ~m; 5166 5167 m = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 5168 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB | 5169 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 5170 IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; 5171 he_cap_elem->phy_cap_info[6] &= ~m; 5172 5173 m = IEEE80211_HE_PHY_CAP7_PSR_BASED_SR | 5174 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 5175 IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ | 5176 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ; 5177 he_cap_elem->phy_cap_info[7] &= ~m; 5178 5179 m = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI | 5180 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 5181 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 5182 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 5183 he_cap_elem->phy_cap_info[8] &= ~m; 5184 5185 m = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 5186 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 5187 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 5188 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 5189 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 5190 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 5191 he_cap_elem->phy_cap_info[9] &= ~m; 5192 } 5193 5194 static __le16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap, 5195 struct ath11k_band_cap *bcap) 5196 { 5197 u8 val; 5198 5199 bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE; 5200 if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) 5201 bcap->he_6ghz_capa |= 5202 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS, 5203 WLAN_HT_CAP_SM_PS_DYNAMIC); 5204 else 5205 bcap->he_6ghz_capa |= 5206 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS, 5207 WLAN_HT_CAP_SM_PS_DISABLED); 5208 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK, 5209 pcap->vht_cap); 5210 bcap->he_6ghz_capa |= 5211 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, val); 5212 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap); 5213 bcap->he_6ghz_capa |= 5214 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN, val); 5215 if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 5216 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 5217 if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 5218 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 5219 5220 return cpu_to_le16(bcap->he_6ghz_capa); 5221 } 5222 5223 static int ath11k_mac_copy_he_cap(struct ath11k *ar, 5224 struct ath11k_pdev_cap *cap, 5225 struct ieee80211_sband_iftype_data *data, 5226 int band) 5227 { 5228 int i, idx = 0; 5229 5230 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 5231 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 5232 struct ath11k_band_cap *band_cap = &cap->band[band]; 5233 struct ieee80211_he_cap_elem *he_cap_elem = 5234 &he_cap->he_cap_elem; 5235 5236 switch (i) { 5237 case NL80211_IFTYPE_STATION: 5238 case NL80211_IFTYPE_AP: 5239 case NL80211_IFTYPE_MESH_POINT: 5240 break; 5241 5242 default: 5243 continue; 5244 } 5245 5246 data[idx].types_mask = BIT(i); 5247 he_cap->has_he = true; 5248 memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info, 5249 sizeof(he_cap_elem->mac_cap_info)); 5250 memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info, 5251 sizeof(he_cap_elem->phy_cap_info)); 5252 5253 he_cap_elem->mac_cap_info[1] &= 5254 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK; 5255 5256 he_cap_elem->phy_cap_info[5] &= 5257 ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK; 5258 he_cap_elem->phy_cap_info[5] |= ar->num_tx_chains - 1; 5259 5260 switch (i) { 5261 case NL80211_IFTYPE_AP: 5262 he_cap_elem->phy_cap_info[3] &= 5263 ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK; 5264 he_cap_elem->phy_cap_info[9] |= 5265 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; 5266 break; 5267 case NL80211_IFTYPE_STATION: 5268 he_cap_elem->mac_cap_info[0] &= 5269 ~IEEE80211_HE_MAC_CAP0_TWT_RES; 5270 he_cap_elem->mac_cap_info[0] |= 5271 IEEE80211_HE_MAC_CAP0_TWT_REQ; 5272 he_cap_elem->phy_cap_info[9] |= 5273 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU; 5274 break; 5275 case NL80211_IFTYPE_MESH_POINT: 5276 ath11k_mac_filter_he_cap_mesh(he_cap_elem); 5277 break; 5278 } 5279 5280 he_cap->he_mcs_nss_supp.rx_mcs_80 = 5281 cpu_to_le16(band_cap->he_mcs & 0xffff); 5282 he_cap->he_mcs_nss_supp.tx_mcs_80 = 5283 cpu_to_le16(band_cap->he_mcs & 0xffff); 5284 he_cap->he_mcs_nss_supp.rx_mcs_160 = 5285 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); 5286 he_cap->he_mcs_nss_supp.tx_mcs_160 = 5287 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); 5288 he_cap->he_mcs_nss_supp.rx_mcs_80p80 = 5289 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); 5290 he_cap->he_mcs_nss_supp.tx_mcs_80p80 = 5291 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); 5292 5293 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 5294 if (he_cap_elem->phy_cap_info[6] & 5295 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) 5296 ath11k_gen_ppe_thresh(&band_cap->he_ppet, 5297 he_cap->ppe_thres); 5298 5299 if (band == NL80211_BAND_6GHZ) { 5300 data[idx].he_6ghz_capa.capa = 5301 ath11k_mac_setup_he_6ghz_cap(cap, band_cap); 5302 } 5303 idx++; 5304 } 5305 5306 return idx; 5307 } 5308 5309 static void ath11k_mac_setup_he_cap(struct ath11k *ar, 5310 struct ath11k_pdev_cap *cap) 5311 { 5312 struct ieee80211_supported_band *band; 5313 int count; 5314 5315 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { 5316 count = ath11k_mac_copy_he_cap(ar, cap, 5317 ar->mac.iftype[NL80211_BAND_2GHZ], 5318 NL80211_BAND_2GHZ); 5319 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 5320 band->iftype_data = ar->mac.iftype[NL80211_BAND_2GHZ]; 5321 band->n_iftype_data = count; 5322 } 5323 5324 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) { 5325 count = ath11k_mac_copy_he_cap(ar, cap, 5326 ar->mac.iftype[NL80211_BAND_5GHZ], 5327 NL80211_BAND_5GHZ); 5328 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 5329 band->iftype_data = ar->mac.iftype[NL80211_BAND_5GHZ]; 5330 band->n_iftype_data = count; 5331 } 5332 5333 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && 5334 ar->supports_6ghz) { 5335 count = ath11k_mac_copy_he_cap(ar, cap, 5336 ar->mac.iftype[NL80211_BAND_6GHZ], 5337 NL80211_BAND_6GHZ); 5338 band = &ar->mac.sbands[NL80211_BAND_6GHZ]; 5339 band->iftype_data = ar->mac.iftype[NL80211_BAND_6GHZ]; 5340 band->n_iftype_data = count; 5341 } 5342 } 5343 5344 static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant) 5345 { 5346 int ret; 5347 5348 lockdep_assert_held(&ar->conf_mutex); 5349 5350 if (ath11k_check_chain_mask(ar, tx_ant, true)) 5351 return -EINVAL; 5352 5353 if (ath11k_check_chain_mask(ar, rx_ant, false)) 5354 return -EINVAL; 5355 5356 ar->cfg_tx_chainmask = tx_ant; 5357 ar->cfg_rx_chainmask = rx_ant; 5358 5359 if (ar->state != ATH11K_STATE_ON && 5360 ar->state != ATH11K_STATE_RESTARTED) 5361 return 0; 5362 5363 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_TX_CHAIN_MASK, 5364 tx_ant, ar->pdev->pdev_id); 5365 if (ret) { 5366 ath11k_warn(ar->ab, "failed to set tx-chainmask: %d, req 0x%x\n", 5367 ret, tx_ant); 5368 return ret; 5369 } 5370 5371 ar->num_tx_chains = get_num_chains(tx_ant); 5372 5373 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RX_CHAIN_MASK, 5374 rx_ant, ar->pdev->pdev_id); 5375 if (ret) { 5376 ath11k_warn(ar->ab, "failed to set rx-chainmask: %d, req 0x%x\n", 5377 ret, rx_ant); 5378 return ret; 5379 } 5380 5381 ar->num_rx_chains = get_num_chains(rx_ant); 5382 5383 /* Reload HT/VHT/HE capability */ 5384 ath11k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL); 5385 ath11k_mac_setup_he_cap(ar, &ar->pdev->cap); 5386 5387 return 0; 5388 } 5389 5390 static void ath11k_mgmt_over_wmi_tx_drop(struct ath11k *ar, struct sk_buff *skb) 5391 { 5392 int num_mgmt; 5393 5394 ieee80211_free_txskb(ar->hw, skb); 5395 5396 num_mgmt = atomic_dec_if_positive(&ar->num_pending_mgmt_tx); 5397 5398 if (num_mgmt < 0) 5399 WARN_ON_ONCE(1); 5400 5401 if (!num_mgmt) 5402 wake_up(&ar->txmgmt_empty_waitq); 5403 } 5404 5405 static void ath11k_mac_tx_mgmt_free(struct ath11k *ar, int buf_id) 5406 { 5407 struct sk_buff *msdu; 5408 struct ieee80211_tx_info *info; 5409 5410 spin_lock_bh(&ar->txmgmt_idr_lock); 5411 msdu = idr_remove(&ar->txmgmt_idr, buf_id); 5412 spin_unlock_bh(&ar->txmgmt_idr_lock); 5413 5414 if (!msdu) 5415 return; 5416 5417 dma_unmap_single(ar->ab->dev, ATH11K_SKB_CB(msdu)->paddr, msdu->len, 5418 DMA_TO_DEVICE); 5419 5420 info = IEEE80211_SKB_CB(msdu); 5421 memset(&info->status, 0, sizeof(info->status)); 5422 5423 ath11k_mgmt_over_wmi_tx_drop(ar, msdu); 5424 } 5425 5426 int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx) 5427 { 5428 struct ath11k *ar = ctx; 5429 5430 ath11k_mac_tx_mgmt_free(ar, buf_id); 5431 5432 return 0; 5433 } 5434 5435 static int ath11k_mac_vif_txmgmt_idr_remove(int buf_id, void *skb, void *ctx) 5436 { 5437 struct ieee80211_vif *vif = ctx; 5438 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb); 5439 struct ath11k *ar = skb_cb->ar; 5440 5441 if (skb_cb->vif == vif) 5442 ath11k_mac_tx_mgmt_free(ar, buf_id); 5443 5444 return 0; 5445 } 5446 5447 static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif, 5448 struct sk_buff *skb) 5449 { 5450 struct ath11k_base *ab = ar->ab; 5451 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 5452 struct ieee80211_tx_info *info; 5453 dma_addr_t paddr; 5454 int buf_id; 5455 int ret; 5456 5457 ATH11K_SKB_CB(skb)->ar = ar; 5458 5459 spin_lock_bh(&ar->txmgmt_idr_lock); 5460 buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0, 5461 ATH11K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC); 5462 spin_unlock_bh(&ar->txmgmt_idr_lock); 5463 5464 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 5465 "mac tx mgmt frame, buf id %d\n", buf_id); 5466 5467 if (buf_id < 0) 5468 return -ENOSPC; 5469 5470 info = IEEE80211_SKB_CB(skb); 5471 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) { 5472 if ((ieee80211_is_action(hdr->frame_control) || 5473 ieee80211_is_deauth(hdr->frame_control) || 5474 ieee80211_is_disassoc(hdr->frame_control)) && 5475 ieee80211_has_protected(hdr->frame_control)) { 5476 skb_put(skb, IEEE80211_CCMP_MIC_LEN); 5477 } 5478 } 5479 5480 paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE); 5481 if (dma_mapping_error(ab->dev, paddr)) { 5482 ath11k_warn(ab, "failed to DMA map mgmt Tx buffer\n"); 5483 ret = -EIO; 5484 goto err_free_idr; 5485 } 5486 5487 ATH11K_SKB_CB(skb)->paddr = paddr; 5488 5489 ret = ath11k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb); 5490 if (ret) { 5491 ath11k_warn(ar->ab, "failed to send mgmt frame: %d\n", ret); 5492 goto err_unmap_buf; 5493 } 5494 5495 return 0; 5496 5497 err_unmap_buf: 5498 dma_unmap_single(ab->dev, ATH11K_SKB_CB(skb)->paddr, 5499 skb->len, DMA_TO_DEVICE); 5500 err_free_idr: 5501 spin_lock_bh(&ar->txmgmt_idr_lock); 5502 idr_remove(&ar->txmgmt_idr, buf_id); 5503 spin_unlock_bh(&ar->txmgmt_idr_lock); 5504 5505 return ret; 5506 } 5507 5508 static void ath11k_mgmt_over_wmi_tx_purge(struct ath11k *ar) 5509 { 5510 struct sk_buff *skb; 5511 5512 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) 5513 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 5514 } 5515 5516 static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work) 5517 { 5518 struct ath11k *ar = container_of(work, struct ath11k, wmi_mgmt_tx_work); 5519 struct ath11k_skb_cb *skb_cb; 5520 struct ath11k_vif *arvif; 5521 struct sk_buff *skb; 5522 int ret; 5523 5524 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) { 5525 skb_cb = ATH11K_SKB_CB(skb); 5526 if (!skb_cb->vif) { 5527 ath11k_warn(ar->ab, "no vif found for mgmt frame\n"); 5528 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 5529 continue; 5530 } 5531 5532 arvif = ath11k_vif_to_arvif(skb_cb->vif); 5533 if (ar->allocated_vdev_map & (1LL << arvif->vdev_id) && 5534 arvif->is_started) { 5535 ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb); 5536 if (ret) { 5537 ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n", 5538 arvif->vdev_id, ret); 5539 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 5540 } else { 5541 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 5542 "mac tx mgmt frame, vdev_id %d\n", 5543 arvif->vdev_id); 5544 } 5545 } else { 5546 ath11k_warn(ar->ab, 5547 "dropping mgmt frame for vdev %d, is_started %d\n", 5548 arvif->vdev_id, 5549 arvif->is_started); 5550 ath11k_mgmt_over_wmi_tx_drop(ar, skb); 5551 } 5552 } 5553 } 5554 5555 static int ath11k_mac_mgmt_tx(struct ath11k *ar, struct sk_buff *skb, 5556 bool is_prb_rsp) 5557 { 5558 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; 5559 5560 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)) 5561 return -ESHUTDOWN; 5562 5563 /* Drop probe response packets when the pending management tx 5564 * count has reached a certain threshold, so as to prioritize 5565 * other mgmt packets like auth and assoc to be sent on time 5566 * for establishing successful connections. 5567 */ 5568 if (is_prb_rsp && 5569 atomic_read(&ar->num_pending_mgmt_tx) > ATH11K_PRB_RSP_DROP_THRESHOLD) { 5570 ath11k_warn(ar->ab, 5571 "dropping probe response as pending queue is almost full\n"); 5572 return -ENOSPC; 5573 } 5574 5575 if (skb_queue_len_lockless(q) >= ATH11K_TX_MGMT_NUM_PENDING_MAX) { 5576 ath11k_warn(ar->ab, "mgmt tx queue is full\n"); 5577 return -ENOSPC; 5578 } 5579 5580 skb_queue_tail(q, skb); 5581 atomic_inc(&ar->num_pending_mgmt_tx); 5582 queue_work(ar->ab->workqueue, &ar->wmi_mgmt_tx_work); 5583 5584 return 0; 5585 } 5586 5587 int ath11k_mac_rfkill_config(struct ath11k *ar) 5588 { 5589 struct ath11k_base *ab = ar->ab; 5590 u32 param; 5591 int ret; 5592 5593 if (ab->hw_params.rfkill_pin == 0) 5594 return -EOPNOTSUPP; 5595 5596 ath11k_dbg(ab, ATH11K_DBG_MAC, 5597 "mac rfkill_pin %d rfkill_cfg %d rfkill_on_level %d", 5598 ab->hw_params.rfkill_pin, ab->hw_params.rfkill_cfg, 5599 ab->hw_params.rfkill_on_level); 5600 5601 param = FIELD_PREP(WMI_RFKILL_CFG_RADIO_LEVEL, 5602 ab->hw_params.rfkill_on_level) | 5603 FIELD_PREP(WMI_RFKILL_CFG_GPIO_PIN_NUM, 5604 ab->hw_params.rfkill_pin) | 5605 FIELD_PREP(WMI_RFKILL_CFG_PIN_AS_GPIO, 5606 ab->hw_params.rfkill_cfg); 5607 5608 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_HW_RFKILL_CONFIG, 5609 param, ar->pdev->pdev_id); 5610 if (ret) { 5611 ath11k_warn(ab, 5612 "failed to set rfkill config 0x%x: %d\n", 5613 param, ret); 5614 return ret; 5615 } 5616 5617 return 0; 5618 } 5619 5620 int ath11k_mac_rfkill_enable_radio(struct ath11k *ar, bool enable) 5621 { 5622 enum wmi_rfkill_enable_radio param; 5623 int ret; 5624 5625 if (enable) 5626 param = WMI_RFKILL_ENABLE_RADIO_ON; 5627 else 5628 param = WMI_RFKILL_ENABLE_RADIO_OFF; 5629 5630 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac %d rfkill enable %d", 5631 ar->pdev_idx, param); 5632 5633 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RFKILL_ENABLE, 5634 param, ar->pdev->pdev_id); 5635 if (ret) { 5636 ath11k_warn(ar->ab, "failed to set rfkill enable param %d: %d\n", 5637 param, ret); 5638 return ret; 5639 } 5640 5641 return 0; 5642 } 5643 5644 static void ath11k_mac_op_tx(struct ieee80211_hw *hw, 5645 struct ieee80211_tx_control *control, 5646 struct sk_buff *skb) 5647 { 5648 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); 5649 struct ath11k *ar = hw->priv; 5650 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 5651 struct ieee80211_vif *vif = info->control.vif; 5652 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 5653 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 5654 struct ieee80211_key_conf *key = info->control.hw_key; 5655 struct ath11k_sta *arsta = NULL; 5656 u32 info_flags = info->flags; 5657 bool is_prb_rsp; 5658 int ret; 5659 5660 memset(skb_cb, 0, sizeof(*skb_cb)); 5661 skb_cb->vif = vif; 5662 5663 if (key) { 5664 skb_cb->cipher = key->cipher; 5665 skb_cb->flags |= ATH11K_SKB_CIPHER_SET; 5666 } 5667 5668 if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) { 5669 skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP; 5670 } else if (ieee80211_is_mgmt(hdr->frame_control)) { 5671 is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control); 5672 ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp); 5673 if (ret) { 5674 ath11k_warn(ar->ab, "failed to queue management frame %d\n", 5675 ret); 5676 ieee80211_free_txskb(ar->hw, skb); 5677 } 5678 return; 5679 } 5680 5681 if (control->sta) 5682 arsta = (struct ath11k_sta *)control->sta->drv_priv; 5683 5684 ret = ath11k_dp_tx(ar, arvif, arsta, skb); 5685 if (unlikely(ret)) { 5686 ath11k_warn(ar->ab, "failed to transmit frame %d\n", ret); 5687 ieee80211_free_txskb(ar->hw, skb); 5688 } 5689 } 5690 5691 void ath11k_mac_drain_tx(struct ath11k *ar) 5692 { 5693 /* make sure rcu-protected mac80211 tx path itself is drained */ 5694 synchronize_net(); 5695 5696 cancel_work_sync(&ar->wmi_mgmt_tx_work); 5697 ath11k_mgmt_over_wmi_tx_purge(ar); 5698 } 5699 5700 static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable) 5701 { 5702 struct htt_rx_ring_tlv_filter tlv_filter = {0}; 5703 struct ath11k_base *ab = ar->ab; 5704 int i, ret = 0; 5705 u32 ring_id; 5706 5707 if (enable) { 5708 tlv_filter = ath11k_mac_mon_status_filter_default; 5709 if (ath11k_debugfs_rx_filter(ar)) 5710 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar); 5711 } 5712 5713 for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) { 5714 ring_id = ar->dp.rx_mon_status_refill_ring[i].refill_buf_ring.ring_id; 5715 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, 5716 ar->dp.mac_id + i, 5717 HAL_RXDMA_MONITOR_STATUS, 5718 DP_RX_BUFFER_SIZE, 5719 &tlv_filter); 5720 } 5721 5722 if (enable && !ar->ab->hw_params.rxdma1_enable) 5723 mod_timer(&ar->ab->mon_reap_timer, jiffies + 5724 msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL)); 5725 5726 return ret; 5727 } 5728 5729 static int ath11k_mac_op_start(struct ieee80211_hw *hw) 5730 { 5731 struct ath11k *ar = hw->priv; 5732 struct ath11k_base *ab = ar->ab; 5733 struct ath11k_pdev *pdev = ar->pdev; 5734 int ret; 5735 5736 ath11k_mac_drain_tx(ar); 5737 mutex_lock(&ar->conf_mutex); 5738 5739 switch (ar->state) { 5740 case ATH11K_STATE_OFF: 5741 ar->state = ATH11K_STATE_ON; 5742 break; 5743 case ATH11K_STATE_RESTARTING: 5744 ar->state = ATH11K_STATE_RESTARTED; 5745 break; 5746 case ATH11K_STATE_RESTARTED: 5747 case ATH11K_STATE_WEDGED: 5748 case ATH11K_STATE_ON: 5749 WARN_ON(1); 5750 ret = -EINVAL; 5751 goto err; 5752 } 5753 5754 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS, 5755 1, pdev->pdev_id); 5756 5757 if (ret) { 5758 ath11k_err(ar->ab, "failed to enable PMF QOS: (%d\n", ret); 5759 goto err; 5760 } 5761 5762 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 1, 5763 pdev->pdev_id); 5764 if (ret) { 5765 ath11k_err(ar->ab, "failed to enable dynamic bw: %d\n", ret); 5766 goto err; 5767 } 5768 5769 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) { 5770 ret = ath11k_wmi_scan_prob_req_oui(ar, ar->mac_addr); 5771 if (ret) { 5772 ath11k_err(ab, "failed to set prob req oui: %i\n", ret); 5773 goto err; 5774 } 5775 } 5776 5777 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_ARP_AC_OVERRIDE, 5778 0, pdev->pdev_id); 5779 if (ret) { 5780 ath11k_err(ab, "failed to set ac override for ARP: %d\n", 5781 ret); 5782 goto err; 5783 } 5784 5785 ret = ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(ar, pdev->pdev_id); 5786 if (ret) { 5787 ath11k_err(ab, "failed to offload radar detection: %d\n", 5788 ret); 5789 goto err; 5790 } 5791 5792 ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar, 5793 HTT_PPDU_STATS_TAG_DEFAULT); 5794 if (ret) { 5795 ath11k_err(ab, "failed to req ppdu stats: %d\n", ret); 5796 goto err; 5797 } 5798 5799 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_MESH_MCAST_ENABLE, 5800 1, pdev->pdev_id); 5801 5802 if (ret) { 5803 ath11k_err(ar->ab, "failed to enable MESH MCAST ENABLE: (%d\n", ret); 5804 goto err; 5805 } 5806 5807 __ath11k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask); 5808 5809 /* TODO: Do we need to enable ANI? */ 5810 5811 ath11k_reg_update_chan_list(ar); 5812 5813 ar->num_started_vdevs = 0; 5814 ar->num_created_vdevs = 0; 5815 ar->num_peers = 0; 5816 ar->allocated_vdev_map = 0; 5817 5818 /* Configure monitor status ring with default rx_filter to get rx status 5819 * such as rssi, rx_duration. 5820 */ 5821 ret = ath11k_mac_config_mon_status_default(ar, true); 5822 if (ret) { 5823 ath11k_err(ab, "failed to configure monitor status ring with default rx_filter: (%d)\n", 5824 ret); 5825 goto err; 5826 } 5827 5828 /* Configure the hash seed for hash based reo dest ring selection */ 5829 ath11k_wmi_pdev_lro_cfg(ar, ar->pdev->pdev_id); 5830 5831 /* allow device to enter IMPS */ 5832 if (ab->hw_params.idle_ps) { 5833 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_IDLE_PS_CONFIG, 5834 1, pdev->pdev_id); 5835 if (ret) { 5836 ath11k_err(ab, "failed to enable idle ps: %d\n", ret); 5837 goto err; 5838 } 5839 } 5840 5841 mutex_unlock(&ar->conf_mutex); 5842 5843 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], 5844 &ab->pdevs[ar->pdev_idx]); 5845 5846 return 0; 5847 5848 err: 5849 ar->state = ATH11K_STATE_OFF; 5850 mutex_unlock(&ar->conf_mutex); 5851 5852 return ret; 5853 } 5854 5855 static void ath11k_mac_op_stop(struct ieee80211_hw *hw) 5856 { 5857 struct ath11k *ar = hw->priv; 5858 struct htt_ppdu_stats_info *ppdu_stats, *tmp; 5859 int ret; 5860 5861 ath11k_mac_drain_tx(ar); 5862 5863 mutex_lock(&ar->conf_mutex); 5864 ret = ath11k_mac_config_mon_status_default(ar, false); 5865 if (ret) 5866 ath11k_err(ar->ab, "failed to clear rx_filter for monitor status ring: (%d)\n", 5867 ret); 5868 5869 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); 5870 ar->state = ATH11K_STATE_OFF; 5871 mutex_unlock(&ar->conf_mutex); 5872 5873 cancel_delayed_work_sync(&ar->scan.timeout); 5874 cancel_work_sync(&ar->regd_update_work); 5875 cancel_work_sync(&ar->ab->update_11d_work); 5876 cancel_work_sync(&ar->ab->rfkill_work); 5877 5878 spin_lock_bh(&ar->data_lock); 5879 list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) { 5880 list_del(&ppdu_stats->list); 5881 kfree(ppdu_stats); 5882 } 5883 spin_unlock_bh(&ar->data_lock); 5884 5885 rcu_assign_pointer(ar->ab->pdevs_active[ar->pdev_idx], NULL); 5886 5887 synchronize_rcu(); 5888 5889 atomic_set(&ar->num_pending_mgmt_tx, 0); 5890 } 5891 5892 static void 5893 ath11k_mac_setup_vdev_create_params(struct ath11k_vif *arvif, 5894 struct vdev_create_params *params) 5895 { 5896 struct ath11k *ar = arvif->ar; 5897 struct ath11k_pdev *pdev = ar->pdev; 5898 5899 params->if_id = arvif->vdev_id; 5900 params->type = arvif->vdev_type; 5901 params->subtype = arvif->vdev_subtype; 5902 params->pdev_id = pdev->pdev_id; 5903 5904 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) { 5905 params->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains; 5906 params->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains; 5907 } 5908 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) { 5909 params->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains; 5910 params->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains; 5911 } 5912 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP && 5913 ar->supports_6ghz) { 5914 params->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains; 5915 params->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains; 5916 } 5917 } 5918 5919 static u32 5920 ath11k_mac_prepare_he_mode(struct ath11k_pdev *pdev, u32 viftype) 5921 { 5922 struct ath11k_pdev_cap *pdev_cap = &pdev->cap; 5923 struct ath11k_band_cap *cap_band = NULL; 5924 u32 *hecap_phy_ptr = NULL; 5925 u32 hemode = 0; 5926 5927 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) 5928 cap_band = &pdev_cap->band[NL80211_BAND_2GHZ]; 5929 else 5930 cap_band = &pdev_cap->band[NL80211_BAND_5GHZ]; 5931 5932 hecap_phy_ptr = &cap_band->he_cap_phy_info[0]; 5933 5934 hemode = FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE) | 5935 FIELD_PREP(HE_MODE_SU_TX_BFER, HECAP_PHY_SUBFMR_GET(hecap_phy_ptr)) | 5936 FIELD_PREP(HE_MODE_UL_MUMIMO, HECAP_PHY_ULMUMIMO_GET(hecap_phy_ptr)); 5937 5938 /* TODO WDS and other modes */ 5939 if (viftype == NL80211_IFTYPE_AP) { 5940 hemode |= FIELD_PREP(HE_MODE_MU_TX_BFER, 5941 HECAP_PHY_MUBFMR_GET(hecap_phy_ptr)) | 5942 FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) | 5943 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE); 5944 } else { 5945 hemode |= FIELD_PREP(HE_MODE_MU_TX_BFEE, HE_MU_BFEE_ENABLE); 5946 } 5947 5948 return hemode; 5949 } 5950 5951 static int ath11k_set_he_mu_sounding_mode(struct ath11k *ar, 5952 struct ath11k_vif *arvif) 5953 { 5954 u32 param_id, param_value; 5955 struct ath11k_base *ab = ar->ab; 5956 int ret = 0; 5957 5958 param_id = WMI_VDEV_PARAM_SET_HEMU_MODE; 5959 param_value = ath11k_mac_prepare_he_mode(ar->pdev, arvif->vif->type); 5960 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 5961 param_id, param_value); 5962 if (ret) { 5963 ath11k_warn(ab, "failed to set vdev %d HE MU mode: %d param_value %x\n", 5964 arvif->vdev_id, ret, param_value); 5965 return ret; 5966 } 5967 param_id = WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE; 5968 param_value = 5969 FIELD_PREP(HE_VHT_SOUNDING_MODE, HE_VHT_SOUNDING_MODE_ENABLE) | 5970 FIELD_PREP(HE_TRIG_NONTRIG_SOUNDING_MODE, 5971 HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE); 5972 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 5973 param_id, param_value); 5974 if (ret) { 5975 ath11k_warn(ab, "failed to set vdev %d HE MU mode: %d\n", 5976 arvif->vdev_id, ret); 5977 return ret; 5978 } 5979 return ret; 5980 } 5981 5982 static void ath11k_mac_op_update_vif_offload(struct ieee80211_hw *hw, 5983 struct ieee80211_vif *vif) 5984 { 5985 struct ath11k *ar = hw->priv; 5986 struct ath11k_base *ab = ar->ab; 5987 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 5988 u32 param_id, param_value; 5989 int ret; 5990 5991 param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE; 5992 if (ath11k_frame_mode != ATH11K_HW_TXRX_ETHERNET || 5993 (vif->type != NL80211_IFTYPE_STATION && 5994 vif->type != NL80211_IFTYPE_AP)) 5995 vif->offload_flags &= ~(IEEE80211_OFFLOAD_ENCAP_ENABLED | 5996 IEEE80211_OFFLOAD_DECAP_ENABLED); 5997 5998 if (vif->offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED) 5999 param_value = ATH11K_HW_TXRX_ETHERNET; 6000 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) 6001 param_value = ATH11K_HW_TXRX_RAW; 6002 else 6003 param_value = ATH11K_HW_TXRX_NATIVE_WIFI; 6004 6005 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 6006 param_id, param_value); 6007 if (ret) { 6008 ath11k_warn(ab, "failed to set vdev %d tx encap mode: %d\n", 6009 arvif->vdev_id, ret); 6010 vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED; 6011 } 6012 6013 param_id = WMI_VDEV_PARAM_RX_DECAP_TYPE; 6014 if (vif->offload_flags & IEEE80211_OFFLOAD_DECAP_ENABLED) 6015 param_value = ATH11K_HW_TXRX_ETHERNET; 6016 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) 6017 param_value = ATH11K_HW_TXRX_RAW; 6018 else 6019 param_value = ATH11K_HW_TXRX_NATIVE_WIFI; 6020 6021 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 6022 param_id, param_value); 6023 if (ret) { 6024 ath11k_warn(ab, "failed to set vdev %d rx decap mode: %d\n", 6025 arvif->vdev_id, ret); 6026 vif->offload_flags &= ~IEEE80211_OFFLOAD_DECAP_ENABLED; 6027 } 6028 } 6029 6030 static bool ath11k_mac_vif_ap_active_any(struct ath11k_base *ab) 6031 { 6032 struct ath11k *ar; 6033 struct ath11k_pdev *pdev; 6034 struct ath11k_vif *arvif; 6035 int i; 6036 6037 for (i = 0; i < ab->num_radios; i++) { 6038 pdev = &ab->pdevs[i]; 6039 ar = pdev->ar; 6040 list_for_each_entry(arvif, &ar->arvifs, list) { 6041 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_AP) 6042 return true; 6043 } 6044 } 6045 return false; 6046 } 6047 6048 void ath11k_mac_11d_scan_start(struct ath11k *ar, u32 vdev_id, bool wait) 6049 { 6050 struct wmi_11d_scan_start_params param; 6051 int ret; 6052 6053 mutex_lock(&ar->ab->vdev_id_11d_lock); 6054 6055 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev id for 11d scan %d\n", 6056 ar->vdev_id_11d_scan); 6057 6058 if (ar->regdom_set_by_user) 6059 goto fin; 6060 6061 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID) 6062 goto fin; 6063 6064 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) 6065 goto fin; 6066 6067 if (ath11k_mac_vif_ap_active_any(ar->ab)) 6068 goto fin; 6069 6070 param.vdev_id = vdev_id; 6071 param.start_interval_msec = 0; 6072 param.scan_period_msec = ATH11K_SCAN_11D_INTERVAL; 6073 6074 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac start 11d scan\n"); 6075 6076 if (wait) 6077 reinit_completion(&ar->finish_11d_scan); 6078 6079 ret = ath11k_wmi_send_11d_scan_start_cmd(ar, ¶m); 6080 if (ret) { 6081 ath11k_warn(ar->ab, "failed to start 11d scan vdev %d ret: %d\n", 6082 vdev_id, ret); 6083 } else { 6084 ar->vdev_id_11d_scan = vdev_id; 6085 if (wait) { 6086 ar->pending_11d = true; 6087 ret = wait_for_completion_timeout(&ar->finish_11d_scan, 6088 5 * HZ); 6089 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 6090 "mac 11d scan left time %d\n", ret); 6091 6092 if (!ret) 6093 ar->pending_11d = false; 6094 } 6095 } 6096 6097 fin: 6098 mutex_unlock(&ar->ab->vdev_id_11d_lock); 6099 } 6100 6101 void ath11k_mac_11d_scan_stop(struct ath11k *ar) 6102 { 6103 int ret; 6104 u32 vdev_id; 6105 6106 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) 6107 return; 6108 6109 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac stop 11d scan\n"); 6110 6111 mutex_lock(&ar->ab->vdev_id_11d_lock); 6112 6113 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac stop 11d vdev id %d\n", 6114 ar->vdev_id_11d_scan); 6115 6116 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID) { 6117 vdev_id = ar->vdev_id_11d_scan; 6118 6119 ret = ath11k_wmi_send_11d_scan_stop_cmd(ar, vdev_id); 6120 if (ret) 6121 ath11k_warn(ar->ab, 6122 "failed to stopt 11d scan vdev %d ret: %d\n", 6123 vdev_id, ret); 6124 else 6125 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID; 6126 } 6127 mutex_unlock(&ar->ab->vdev_id_11d_lock); 6128 } 6129 6130 void ath11k_mac_11d_scan_stop_all(struct ath11k_base *ab) 6131 { 6132 struct ath11k *ar; 6133 struct ath11k_pdev *pdev; 6134 int i; 6135 6136 ath11k_dbg(ab, ATH11K_DBG_MAC, "mac stop soc 11d scan\n"); 6137 6138 for (i = 0; i < ab->num_radios; i++) { 6139 pdev = &ab->pdevs[i]; 6140 ar = pdev->ar; 6141 6142 ath11k_mac_11d_scan_stop(ar); 6143 } 6144 } 6145 6146 static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw, 6147 struct ieee80211_vif *vif) 6148 { 6149 struct ath11k *ar = hw->priv; 6150 struct ath11k_base *ab = ar->ab; 6151 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 6152 struct vdev_create_params vdev_param = {0}; 6153 struct peer_create_params peer_param; 6154 u32 param_id, param_value; 6155 u16 nss; 6156 int i; 6157 int ret, fbret; 6158 int bit; 6159 6160 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 6161 6162 mutex_lock(&ar->conf_mutex); 6163 6164 if (vif->type == NL80211_IFTYPE_AP && 6165 ar->num_peers > (ar->max_num_peers - 1)) { 6166 ath11k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n"); 6167 ret = -ENOBUFS; 6168 goto err; 6169 } 6170 6171 if (ar->num_created_vdevs > (TARGET_NUM_VDEVS(ab) - 1)) { 6172 ath11k_warn(ab, "failed to create vdev %u, reached max vdev limit %d\n", 6173 ar->num_created_vdevs, TARGET_NUM_VDEVS(ab)); 6174 ret = -EBUSY; 6175 goto err; 6176 } 6177 6178 memset(arvif, 0, sizeof(*arvif)); 6179 6180 arvif->ar = ar; 6181 arvif->vif = vif; 6182 6183 INIT_LIST_HEAD(&arvif->list); 6184 INIT_DELAYED_WORK(&arvif->connection_loss_work, 6185 ath11k_mac_vif_sta_connection_loss_work); 6186 6187 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) { 6188 arvif->bitrate_mask.control[i].legacy = 0xffffffff; 6189 arvif->bitrate_mask.control[i].gi = NL80211_TXRATE_FORCE_SGI; 6190 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff, 6191 sizeof(arvif->bitrate_mask.control[i].ht_mcs)); 6192 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff, 6193 sizeof(arvif->bitrate_mask.control[i].vht_mcs)); 6194 memset(arvif->bitrate_mask.control[i].he_mcs, 0xff, 6195 sizeof(arvif->bitrate_mask.control[i].he_mcs)); 6196 } 6197 6198 bit = __ffs64(ab->free_vdev_map); 6199 6200 arvif->vdev_id = bit; 6201 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; 6202 6203 switch (vif->type) { 6204 case NL80211_IFTYPE_UNSPECIFIED: 6205 case NL80211_IFTYPE_STATION: 6206 arvif->vdev_type = WMI_VDEV_TYPE_STA; 6207 break; 6208 case NL80211_IFTYPE_MESH_POINT: 6209 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_MESH_11S; 6210 fallthrough; 6211 case NL80211_IFTYPE_AP: 6212 arvif->vdev_type = WMI_VDEV_TYPE_AP; 6213 break; 6214 case NL80211_IFTYPE_MONITOR: 6215 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; 6216 ar->monitor_vdev_id = bit; 6217 break; 6218 default: 6219 WARN_ON(1); 6220 break; 6221 } 6222 6223 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac add interface id %d type %d subtype %d map %llx\n", 6224 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, 6225 ab->free_vdev_map); 6226 6227 vif->cab_queue = arvif->vdev_id % (ATH11K_HW_MAX_QUEUES - 1); 6228 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++) 6229 vif->hw_queue[i] = i % (ATH11K_HW_MAX_QUEUES - 1); 6230 6231 ath11k_mac_setup_vdev_create_params(arvif, &vdev_param); 6232 6233 ret = ath11k_wmi_vdev_create(ar, vif->addr, &vdev_param); 6234 if (ret) { 6235 ath11k_warn(ab, "failed to create WMI vdev %d: %d\n", 6236 arvif->vdev_id, ret); 6237 goto err; 6238 } 6239 6240 ar->num_created_vdevs++; 6241 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n", 6242 vif->addr, arvif->vdev_id); 6243 ar->allocated_vdev_map |= 1LL << arvif->vdev_id; 6244 ab->free_vdev_map &= ~(1LL << arvif->vdev_id); 6245 6246 spin_lock_bh(&ar->data_lock); 6247 list_add(&arvif->list, &ar->arvifs); 6248 spin_unlock_bh(&ar->data_lock); 6249 6250 ath11k_mac_op_update_vif_offload(hw, vif); 6251 6252 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1; 6253 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 6254 WMI_VDEV_PARAM_NSS, nss); 6255 if (ret) { 6256 ath11k_warn(ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n", 6257 arvif->vdev_id, ar->cfg_tx_chainmask, nss, ret); 6258 goto err_vdev_del; 6259 } 6260 6261 switch (arvif->vdev_type) { 6262 case WMI_VDEV_TYPE_AP: 6263 peer_param.vdev_id = arvif->vdev_id; 6264 peer_param.peer_addr = vif->addr; 6265 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT; 6266 ret = ath11k_peer_create(ar, arvif, NULL, &peer_param); 6267 if (ret) { 6268 ath11k_warn(ab, "failed to vdev %d create peer for AP: %d\n", 6269 arvif->vdev_id, ret); 6270 goto err_vdev_del; 6271 } 6272 6273 ret = ath11k_mac_set_kickout(arvif); 6274 if (ret) { 6275 ath11k_warn(ar->ab, "failed to set vdev %i kickout parameters: %d\n", 6276 arvif->vdev_id, ret); 6277 goto err_peer_del; 6278 } 6279 6280 ath11k_mac_11d_scan_stop_all(ar->ab); 6281 break; 6282 case WMI_VDEV_TYPE_STA: 6283 param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY; 6284 param_value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 6285 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 6286 param_id, param_value); 6287 if (ret) { 6288 ath11k_warn(ar->ab, "failed to set vdev %d RX wake policy: %d\n", 6289 arvif->vdev_id, ret); 6290 goto err_peer_del; 6291 } 6292 6293 param_id = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; 6294 param_value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; 6295 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 6296 param_id, param_value); 6297 if (ret) { 6298 ath11k_warn(ar->ab, "failed to set vdev %d TX wake threshold: %d\n", 6299 arvif->vdev_id, ret); 6300 goto err_peer_del; 6301 } 6302 6303 param_id = WMI_STA_PS_PARAM_PSPOLL_COUNT; 6304 param_value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; 6305 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 6306 param_id, param_value); 6307 if (ret) { 6308 ath11k_warn(ar->ab, "failed to set vdev %d pspoll count: %d\n", 6309 arvif->vdev_id, ret); 6310 goto err_peer_del; 6311 } 6312 6313 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, 6314 WMI_STA_PS_MODE_DISABLED); 6315 if (ret) { 6316 ath11k_warn(ar->ab, "failed to disable vdev %d ps mode: %d\n", 6317 arvif->vdev_id, ret); 6318 goto err_peer_del; 6319 } 6320 6321 ath11k_mac_11d_scan_start(ar, arvif->vdev_id, true); 6322 6323 break; 6324 case WMI_VDEV_TYPE_MONITOR: 6325 set_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 6326 break; 6327 default: 6328 break; 6329 } 6330 6331 arvif->txpower = vif->bss_conf.txpower; 6332 ret = ath11k_mac_txpower_recalc(ar); 6333 if (ret) 6334 goto err_peer_del; 6335 6336 param_id = WMI_VDEV_PARAM_RTS_THRESHOLD; 6337 param_value = ar->hw->wiphy->rts_threshold; 6338 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 6339 param_id, param_value); 6340 if (ret) { 6341 ath11k_warn(ar->ab, "failed to set rts threshold for vdev %d: %d\n", 6342 arvif->vdev_id, ret); 6343 } 6344 6345 ath11k_dp_vdev_tx_attach(ar, arvif); 6346 6347 if (vif->type != NL80211_IFTYPE_MONITOR && 6348 test_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags)) { 6349 ret = ath11k_mac_monitor_vdev_create(ar); 6350 if (ret) { 6351 ath11k_warn(ar->ab, "failed to create monitor vdev during add interface: %d", 6352 ret); 6353 goto err_peer_del; 6354 } 6355 } 6356 6357 ret = ath11k_debugfs_add_interface(arvif); 6358 if (ret) 6359 goto err_peer_del; 6360 6361 mutex_unlock(&ar->conf_mutex); 6362 6363 return 0; 6364 6365 err_peer_del: 6366 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 6367 reinit_completion(&ar->peer_delete_done); 6368 6369 fbret = ath11k_wmi_send_peer_delete_cmd(ar, vif->addr, 6370 arvif->vdev_id); 6371 if (fbret) { 6372 ath11k_warn(ar->ab, "failed to delete peer vdev_id %d addr %pM\n", 6373 arvif->vdev_id, vif->addr); 6374 goto err; 6375 } 6376 6377 fbret = ath11k_wait_for_peer_delete_done(ar, arvif->vdev_id, 6378 vif->addr); 6379 if (fbret) 6380 goto err; 6381 6382 ar->num_peers--; 6383 } 6384 6385 err_vdev_del: 6386 ath11k_wmi_vdev_delete(ar, arvif->vdev_id); 6387 ar->num_created_vdevs--; 6388 ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id); 6389 ab->free_vdev_map |= 1LL << arvif->vdev_id; 6390 spin_lock_bh(&ar->data_lock); 6391 list_del(&arvif->list); 6392 spin_unlock_bh(&ar->data_lock); 6393 6394 err: 6395 ath11k_debugfs_remove_interface(arvif); 6396 mutex_unlock(&ar->conf_mutex); 6397 6398 return ret; 6399 } 6400 6401 static int ath11k_mac_vif_unref(int buf_id, void *skb, void *ctx) 6402 { 6403 struct ieee80211_vif *vif = (struct ieee80211_vif *)ctx; 6404 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb); 6405 6406 if (skb_cb->vif == vif) 6407 skb_cb->vif = NULL; 6408 6409 return 0; 6410 } 6411 6412 static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw, 6413 struct ieee80211_vif *vif) 6414 { 6415 struct ath11k *ar = hw->priv; 6416 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); 6417 struct ath11k_base *ab = ar->ab; 6418 unsigned long time_left; 6419 int ret; 6420 int i; 6421 6422 cancel_delayed_work_sync(&arvif->connection_loss_work); 6423 6424 mutex_lock(&ar->conf_mutex); 6425 6426 ath11k_dbg(ab, ATH11K_DBG_MAC, "mac remove interface (vdev %d)\n", 6427 arvif->vdev_id); 6428 6429 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 6430 ath11k_mac_11d_scan_stop(ar); 6431 6432 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 6433 ret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr); 6434 if (ret) 6435 ath11k_warn(ab, "failed to submit AP self-peer removal on vdev %d: %d\n", 6436 arvif->vdev_id, ret); 6437 } 6438 6439 reinit_completion(&ar->vdev_delete_done); 6440 6441 ret = ath11k_wmi_vdev_delete(ar, arvif->vdev_id); 6442 if (ret) { 6443 ath11k_warn(ab, "failed to delete WMI vdev %d: %d\n", 6444 arvif->vdev_id, ret); 6445 goto err_vdev_del; 6446 } 6447 6448 time_left = wait_for_completion_timeout(&ar->vdev_delete_done, 6449 ATH11K_VDEV_DELETE_TIMEOUT_HZ); 6450 if (time_left == 0) { 6451 ath11k_warn(ab, "Timeout in receiving vdev delete response\n"); 6452 goto err_vdev_del; 6453 } 6454 6455 ab->free_vdev_map |= 1LL << (arvif->vdev_id); 6456 ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id); 6457 ar->num_created_vdevs--; 6458 6459 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n", 6460 vif->addr, arvif->vdev_id); 6461 6462 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 6463 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 6464 ar->monitor_vdev_id = -1; 6465 } else if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags) && 6466 !test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) { 6467 ret = ath11k_mac_monitor_vdev_delete(ar); 6468 if (ret) 6469 /* continue even if there's an error */ 6470 ath11k_warn(ar->ab, "failed to delete vdev monitor during remove interface: %d", 6471 ret); 6472 } 6473 6474 err_vdev_del: 6475 spin_lock_bh(&ar->data_lock); 6476 list_del(&arvif->list); 6477 spin_unlock_bh(&ar->data_lock); 6478 6479 ath11k_peer_cleanup(ar, arvif->vdev_id); 6480 6481 idr_for_each(&ar->txmgmt_idr, 6482 ath11k_mac_vif_txmgmt_idr_remove, vif); 6483 6484 for (i = 0; i < ab->hw_params.max_tx_ring; i++) { 6485 spin_lock_bh(&ab->dp.tx_ring[i].tx_idr_lock); 6486 idr_for_each(&ab->dp.tx_ring[i].txbuf_idr, 6487 ath11k_mac_vif_unref, vif); 6488 spin_unlock_bh(&ab->dp.tx_ring[i].tx_idr_lock); 6489 } 6490 6491 /* Recalc txpower for remaining vdev */ 6492 ath11k_mac_txpower_recalc(ar); 6493 6494 ath11k_debugfs_remove_interface(arvif); 6495 6496 /* TODO: recal traffic pause state based on the available vdevs */ 6497 6498 mutex_unlock(&ar->conf_mutex); 6499 } 6500 6501 /* FIXME: Has to be verified. */ 6502 #define SUPPORTED_FILTERS \ 6503 (FIF_ALLMULTI | \ 6504 FIF_CONTROL | \ 6505 FIF_PSPOLL | \ 6506 FIF_OTHER_BSS | \ 6507 FIF_BCN_PRBRESP_PROMISC | \ 6508 FIF_PROBE_REQ | \ 6509 FIF_FCSFAIL) 6510 6511 static void ath11k_mac_op_configure_filter(struct ieee80211_hw *hw, 6512 unsigned int changed_flags, 6513 unsigned int *total_flags, 6514 u64 multicast) 6515 { 6516 struct ath11k *ar = hw->priv; 6517 6518 mutex_lock(&ar->conf_mutex); 6519 6520 *total_flags &= SUPPORTED_FILTERS; 6521 ar->filter_flags = *total_flags; 6522 6523 mutex_unlock(&ar->conf_mutex); 6524 } 6525 6526 static int ath11k_mac_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 6527 { 6528 struct ath11k *ar = hw->priv; 6529 6530 mutex_lock(&ar->conf_mutex); 6531 6532 *tx_ant = ar->cfg_tx_chainmask; 6533 *rx_ant = ar->cfg_rx_chainmask; 6534 6535 mutex_unlock(&ar->conf_mutex); 6536 6537 return 0; 6538 } 6539 6540 static int ath11k_mac_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 6541 { 6542 struct ath11k *ar = hw->priv; 6543 int ret; 6544 6545 mutex_lock(&ar->conf_mutex); 6546 ret = __ath11k_set_antenna(ar, tx_ant, rx_ant); 6547 mutex_unlock(&ar->conf_mutex); 6548 6549 return ret; 6550 } 6551 6552 static int ath11k_mac_op_ampdu_action(struct ieee80211_hw *hw, 6553 struct ieee80211_vif *vif, 6554 struct ieee80211_ampdu_params *params) 6555 { 6556 struct ath11k *ar = hw->priv; 6557 int ret = -EINVAL; 6558 6559 mutex_lock(&ar->conf_mutex); 6560 6561 switch (params->action) { 6562 case IEEE80211_AMPDU_RX_START: 6563 ret = ath11k_dp_rx_ampdu_start(ar, params); 6564 break; 6565 case IEEE80211_AMPDU_RX_STOP: 6566 ret = ath11k_dp_rx_ampdu_stop(ar, params); 6567 break; 6568 case IEEE80211_AMPDU_TX_START: 6569 case IEEE80211_AMPDU_TX_STOP_CONT: 6570 case IEEE80211_AMPDU_TX_STOP_FLUSH: 6571 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 6572 case IEEE80211_AMPDU_TX_OPERATIONAL: 6573 /* Tx A-MPDU aggregation offloaded to hw/fw so deny mac80211 6574 * Tx aggregation requests. 6575 */ 6576 ret = -EOPNOTSUPP; 6577 break; 6578 } 6579 6580 mutex_unlock(&ar->conf_mutex); 6581 6582 return ret; 6583 } 6584 6585 static int ath11k_mac_op_add_chanctx(struct ieee80211_hw *hw, 6586 struct ieee80211_chanctx_conf *ctx) 6587 { 6588 struct ath11k *ar = hw->priv; 6589 struct ath11k_base *ab = ar->ab; 6590 6591 ath11k_dbg(ab, ATH11K_DBG_MAC, 6592 "mac chanctx add freq %u width %d ptr %pK\n", 6593 ctx->def.chan->center_freq, ctx->def.width, ctx); 6594 6595 mutex_lock(&ar->conf_mutex); 6596 6597 spin_lock_bh(&ar->data_lock); 6598 /* TODO: In case of multiple channel context, populate rx_channel from 6599 * Rx PPDU desc information. 6600 */ 6601 ar->rx_channel = ctx->def.chan; 6602 spin_unlock_bh(&ar->data_lock); 6603 6604 mutex_unlock(&ar->conf_mutex); 6605 6606 return 0; 6607 } 6608 6609 static void ath11k_mac_op_remove_chanctx(struct ieee80211_hw *hw, 6610 struct ieee80211_chanctx_conf *ctx) 6611 { 6612 struct ath11k *ar = hw->priv; 6613 struct ath11k_base *ab = ar->ab; 6614 6615 ath11k_dbg(ab, ATH11K_DBG_MAC, 6616 "mac chanctx remove freq %u width %d ptr %pK\n", 6617 ctx->def.chan->center_freq, ctx->def.width, ctx); 6618 6619 mutex_lock(&ar->conf_mutex); 6620 6621 spin_lock_bh(&ar->data_lock); 6622 /* TODO: In case of there is one more channel context left, populate 6623 * rx_channel with the channel of that remaining channel context. 6624 */ 6625 ar->rx_channel = NULL; 6626 spin_unlock_bh(&ar->data_lock); 6627 6628 mutex_unlock(&ar->conf_mutex); 6629 } 6630 6631 static int 6632 ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif, 6633 struct ieee80211_chanctx_conf *ctx, 6634 bool restart) 6635 { 6636 struct ath11k *ar = arvif->ar; 6637 struct ath11k_base *ab = ar->ab; 6638 struct wmi_vdev_start_req_arg arg = {}; 6639 const struct cfg80211_chan_def *chandef = &ctx->def; 6640 int he_support = arvif->vif->bss_conf.he_support; 6641 int ret = 0; 6642 6643 lockdep_assert_held(&ar->conf_mutex); 6644 6645 reinit_completion(&ar->vdev_setup_done); 6646 6647 arg.vdev_id = arvif->vdev_id; 6648 arg.dtim_period = arvif->dtim_period; 6649 arg.bcn_intval = arvif->beacon_interval; 6650 6651 arg.channel.freq = chandef->chan->center_freq; 6652 arg.channel.band_center_freq1 = chandef->center_freq1; 6653 arg.channel.band_center_freq2 = chandef->center_freq2; 6654 arg.channel.mode = 6655 ath11k_phymodes[chandef->chan->band][chandef->width]; 6656 6657 arg.channel.min_power = 0; 6658 arg.channel.max_power = chandef->chan->max_power; 6659 arg.channel.max_reg_power = chandef->chan->max_reg_power; 6660 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain; 6661 6662 arg.pref_tx_streams = ar->num_tx_chains; 6663 arg.pref_rx_streams = ar->num_rx_chains; 6664 6665 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 6666 arg.ssid = arvif->u.ap.ssid; 6667 arg.ssid_len = arvif->u.ap.ssid_len; 6668 arg.hidden_ssid = arvif->u.ap.hidden_ssid; 6669 6670 /* For now allow DFS for AP mode */ 6671 arg.channel.chan_radar = 6672 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); 6673 6674 arg.channel.freq2_radar = ctx->radar_enabled; 6675 6676 arg.channel.passive = arg.channel.chan_radar; 6677 6678 spin_lock_bh(&ab->base_lock); 6679 arg.regdomain = ar->ab->dfs_region; 6680 spin_unlock_bh(&ab->base_lock); 6681 6682 if (he_support) { 6683 ret = ath11k_set_he_mu_sounding_mode(ar, arvif); 6684 if (ret) { 6685 ath11k_warn(ar->ab, "failed to set he mode vdev %i\n", 6686 arg.vdev_id); 6687 return ret; 6688 } 6689 } 6690 } 6691 6692 arg.channel.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR); 6693 6694 ath11k_dbg(ab, ATH11K_DBG_MAC, 6695 "mac vdev %d start center_freq %d phymode %s\n", 6696 arg.vdev_id, arg.channel.freq, 6697 ath11k_wmi_phymode_str(arg.channel.mode)); 6698 6699 ret = ath11k_wmi_vdev_start(ar, &arg, restart); 6700 if (ret) { 6701 ath11k_warn(ar->ab, "failed to %s WMI vdev %i\n", 6702 restart ? "restart" : "start", arg.vdev_id); 6703 return ret; 6704 } 6705 6706 ret = ath11k_mac_vdev_setup_sync(ar); 6707 if (ret) { 6708 ath11k_warn(ab, "failed to synchronize setup for vdev %i %s: %d\n", 6709 arg.vdev_id, restart ? "restart" : "start", ret); 6710 return ret; 6711 } 6712 6713 if (!restart) 6714 ar->num_started_vdevs++; 6715 6716 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM started, vdev_id %d\n", 6717 arvif->vif->addr, arvif->vdev_id); 6718 6719 /* Enable CAC Flag in the driver by checking the channel DFS cac time, 6720 * i.e dfs_cac_ms value which will be valid only for radar channels 6721 * and state as NL80211_DFS_USABLE which indicates CAC needs to be 6722 * done before channel usage. This flags is used to drop rx packets. 6723 * during CAC. 6724 */ 6725 /* TODO Set the flag for other interface types as required */ 6726 if (arvif->vdev_type == WMI_VDEV_TYPE_AP && 6727 chandef->chan->dfs_cac_ms && 6728 chandef->chan->dfs_state == NL80211_DFS_USABLE) { 6729 set_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); 6730 ath11k_dbg(ab, ATH11K_DBG_MAC, 6731 "CAC Started in chan_freq %d for vdev %d\n", 6732 arg.channel.freq, arg.vdev_id); 6733 } 6734 6735 ret = ath11k_mac_set_txbf_conf(arvif); 6736 if (ret) 6737 ath11k_warn(ab, "failed to set txbf conf for vdev %d: %d\n", 6738 arvif->vdev_id, ret); 6739 6740 return 0; 6741 } 6742 6743 static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif) 6744 { 6745 struct ath11k *ar = arvif->ar; 6746 int ret; 6747 6748 lockdep_assert_held(&ar->conf_mutex); 6749 6750 reinit_completion(&ar->vdev_setup_done); 6751 6752 ret = ath11k_wmi_vdev_stop(ar, arvif->vdev_id); 6753 if (ret) { 6754 ath11k_warn(ar->ab, "failed to stop WMI vdev %i: %d\n", 6755 arvif->vdev_id, ret); 6756 goto err; 6757 } 6758 6759 ret = ath11k_mac_vdev_setup_sync(ar); 6760 if (ret) { 6761 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i: %d\n", 6762 arvif->vdev_id, ret); 6763 goto err; 6764 } 6765 6766 WARN_ON(ar->num_started_vdevs == 0); 6767 6768 ar->num_started_vdevs--; 6769 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n", 6770 arvif->vif->addr, arvif->vdev_id); 6771 6772 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) { 6773 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); 6774 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "CAC Stopped for vdev %d\n", 6775 arvif->vdev_id); 6776 } 6777 6778 return 0; 6779 err: 6780 return ret; 6781 } 6782 6783 static int ath11k_mac_vdev_start(struct ath11k_vif *arvif, 6784 struct ieee80211_chanctx_conf *ctx) 6785 { 6786 return ath11k_mac_vdev_start_restart(arvif, ctx, false); 6787 } 6788 6789 static int ath11k_mac_vdev_restart(struct ath11k_vif *arvif, 6790 struct ieee80211_chanctx_conf *ctx) 6791 { 6792 return ath11k_mac_vdev_start_restart(arvif, ctx, true); 6793 } 6794 6795 struct ath11k_mac_change_chanctx_arg { 6796 struct ieee80211_chanctx_conf *ctx; 6797 struct ieee80211_vif_chanctx_switch *vifs; 6798 int n_vifs; 6799 int next_vif; 6800 }; 6801 6802 static void 6803 ath11k_mac_change_chanctx_cnt_iter(void *data, u8 *mac, 6804 struct ieee80211_vif *vif) 6805 { 6806 struct ath11k_mac_change_chanctx_arg *arg = data; 6807 6808 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx) 6809 return; 6810 6811 arg->n_vifs++; 6812 } 6813 6814 static void 6815 ath11k_mac_change_chanctx_fill_iter(void *data, u8 *mac, 6816 struct ieee80211_vif *vif) 6817 { 6818 struct ath11k_mac_change_chanctx_arg *arg = data; 6819 struct ieee80211_chanctx_conf *ctx; 6820 6821 ctx = rcu_access_pointer(vif->chanctx_conf); 6822 if (ctx != arg->ctx) 6823 return; 6824 6825 if (WARN_ON(arg->next_vif == arg->n_vifs)) 6826 return; 6827 6828 arg->vifs[arg->next_vif].vif = vif; 6829 arg->vifs[arg->next_vif].old_ctx = ctx; 6830 arg->vifs[arg->next_vif].new_ctx = ctx; 6831 arg->next_vif++; 6832 } 6833 6834 static void 6835 ath11k_mac_update_vif_chan(struct ath11k *ar, 6836 struct ieee80211_vif_chanctx_switch *vifs, 6837 int n_vifs) 6838 { 6839 struct ath11k_base *ab = ar->ab; 6840 struct ath11k_vif *arvif; 6841 int ret; 6842 int i; 6843 bool monitor_vif = false; 6844 6845 lockdep_assert_held(&ar->conf_mutex); 6846 6847 /* Associated channel resources of all relevant vdevs 6848 * should be available for the channel switch now. 6849 */ 6850 6851 /* TODO: Update ar->rx_channel */ 6852 6853 for (i = 0; i < n_vifs; i++) { 6854 arvif = (void *)vifs[i].vif->drv_priv; 6855 6856 if (WARN_ON(!arvif->is_started)) 6857 continue; 6858 6859 /* change_chanctx can be called even before vdev_up from 6860 * ieee80211_start_ap->ieee80211_vif_use_channel-> 6861 * ieee80211_recalc_radar_chanctx. 6862 * 6863 * Firmware expect vdev_restart only if vdev is up. 6864 * If vdev is down then it expect vdev_stop->vdev_start. 6865 */ 6866 if (arvif->is_up) { 6867 ret = ath11k_mac_vdev_restart(arvif, vifs[i].new_ctx); 6868 if (ret) { 6869 ath11k_warn(ab, "failed to restart vdev %d: %d\n", 6870 arvif->vdev_id, ret); 6871 continue; 6872 } 6873 } else { 6874 ret = ath11k_mac_vdev_stop(arvif); 6875 if (ret) { 6876 ath11k_warn(ab, "failed to stop vdev %d: %d\n", 6877 arvif->vdev_id, ret); 6878 continue; 6879 } 6880 6881 ret = ath11k_mac_vdev_start(arvif, vifs[i].new_ctx); 6882 if (ret) 6883 ath11k_warn(ab, "failed to start vdev %d: %d\n", 6884 arvif->vdev_id, ret); 6885 6886 continue; 6887 } 6888 6889 ret = ath11k_mac_setup_bcn_tmpl(arvif); 6890 if (ret) 6891 ath11k_warn(ab, "failed to update bcn tmpl during csa: %d\n", 6892 ret); 6893 6894 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 6895 arvif->bssid); 6896 if (ret) { 6897 ath11k_warn(ab, "failed to bring vdev up %d: %d\n", 6898 arvif->vdev_id, ret); 6899 continue; 6900 } 6901 } 6902 6903 /* Restart the internal monitor vdev on new channel */ 6904 if (!monitor_vif && 6905 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) { 6906 ret = ath11k_mac_monitor_stop(ar); 6907 if (ret) { 6908 ath11k_warn(ar->ab, "failed to stop monitor during vif channel update: %d", 6909 ret); 6910 return; 6911 } 6912 6913 ret = ath11k_mac_monitor_start(ar); 6914 if (ret) { 6915 ath11k_warn(ar->ab, "failed to start monitor during vif channel update: %d", 6916 ret); 6917 return; 6918 } 6919 } 6920 } 6921 6922 static void 6923 ath11k_mac_update_active_vif_chan(struct ath11k *ar, 6924 struct ieee80211_chanctx_conf *ctx) 6925 { 6926 struct ath11k_mac_change_chanctx_arg arg = { .ctx = ctx }; 6927 6928 lockdep_assert_held(&ar->conf_mutex); 6929 6930 ieee80211_iterate_active_interfaces_atomic(ar->hw, 6931 IEEE80211_IFACE_ITER_NORMAL, 6932 ath11k_mac_change_chanctx_cnt_iter, 6933 &arg); 6934 if (arg.n_vifs == 0) 6935 return; 6936 6937 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), GFP_KERNEL); 6938 if (!arg.vifs) 6939 return; 6940 6941 ieee80211_iterate_active_interfaces_atomic(ar->hw, 6942 IEEE80211_IFACE_ITER_NORMAL, 6943 ath11k_mac_change_chanctx_fill_iter, 6944 &arg); 6945 6946 ath11k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs); 6947 6948 kfree(arg.vifs); 6949 } 6950 6951 static void ath11k_mac_op_change_chanctx(struct ieee80211_hw *hw, 6952 struct ieee80211_chanctx_conf *ctx, 6953 u32 changed) 6954 { 6955 struct ath11k *ar = hw->priv; 6956 struct ath11k_base *ab = ar->ab; 6957 6958 mutex_lock(&ar->conf_mutex); 6959 6960 ath11k_dbg(ab, ATH11K_DBG_MAC, 6961 "mac chanctx change freq %u width %d ptr %pK changed %x\n", 6962 ctx->def.chan->center_freq, ctx->def.width, ctx, changed); 6963 6964 /* This shouldn't really happen because channel switching should use 6965 * switch_vif_chanctx(). 6966 */ 6967 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL)) 6968 goto unlock; 6969 6970 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH || 6971 changed & IEEE80211_CHANCTX_CHANGE_RADAR) 6972 ath11k_mac_update_active_vif_chan(ar, ctx); 6973 6974 /* TODO: Recalc radar detection */ 6975 6976 unlock: 6977 mutex_unlock(&ar->conf_mutex); 6978 } 6979 6980 static int ath11k_start_vdev_delay(struct ieee80211_hw *hw, 6981 struct ieee80211_vif *vif) 6982 { 6983 struct ath11k *ar = hw->priv; 6984 struct ath11k_base *ab = ar->ab; 6985 struct ath11k_vif *arvif = (void *)vif->drv_priv; 6986 int ret; 6987 6988 if (WARN_ON(arvif->is_started)) 6989 return -EBUSY; 6990 6991 ret = ath11k_mac_vdev_start(arvif, &arvif->chanctx); 6992 if (ret) { 6993 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n", 6994 arvif->vdev_id, vif->addr, 6995 arvif->chanctx.def.chan->center_freq, ret); 6996 return ret; 6997 } 6998 6999 /* Reconfigure hardware rate code since it is cleared by firmware. 7000 */ 7001 if (ar->hw_rate_code > 0) { 7002 u32 vdev_param = WMI_VDEV_PARAM_MGMT_RATE; 7003 7004 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, 7005 ar->hw_rate_code); 7006 if (ret) { 7007 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret); 7008 return ret; 7009 } 7010 } 7011 7012 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 7013 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, 0, ar->mac_addr); 7014 if (ret) { 7015 ath11k_warn(ab, "failed put monitor up: %d\n", ret); 7016 return ret; 7017 } 7018 } 7019 7020 arvif->is_started = true; 7021 7022 /* TODO: Setup ps and cts/rts protection */ 7023 return 0; 7024 } 7025 7026 static int 7027 ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, 7028 struct ieee80211_vif *vif, 7029 struct ieee80211_chanctx_conf *ctx) 7030 { 7031 struct ath11k *ar = hw->priv; 7032 struct ath11k_base *ab = ar->ab; 7033 struct ath11k_vif *arvif = (void *)vif->drv_priv; 7034 int ret; 7035 struct peer_create_params param; 7036 7037 mutex_lock(&ar->conf_mutex); 7038 7039 ath11k_dbg(ab, ATH11K_DBG_MAC, 7040 "mac chanctx assign ptr %pK vdev_id %i\n", 7041 ctx, arvif->vdev_id); 7042 7043 /* for QCA6390 bss peer must be created before vdev_start */ 7044 if (ab->hw_params.vdev_start_delay && 7045 arvif->vdev_type != WMI_VDEV_TYPE_AP && 7046 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && 7047 !ath11k_peer_find_by_vdev_id(ab, arvif->vdev_id)) { 7048 memcpy(&arvif->chanctx, ctx, sizeof(*ctx)); 7049 ret = 0; 7050 goto out; 7051 } 7052 7053 if (WARN_ON(arvif->is_started)) { 7054 ret = -EBUSY; 7055 goto out; 7056 } 7057 7058 if (ab->hw_params.vdev_start_delay && 7059 arvif->vdev_type != WMI_VDEV_TYPE_AP && 7060 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR) { 7061 param.vdev_id = arvif->vdev_id; 7062 param.peer_type = WMI_PEER_TYPE_DEFAULT; 7063 param.peer_addr = ar->mac_addr; 7064 7065 ret = ath11k_peer_create(ar, arvif, NULL, ¶m); 7066 if (ret) { 7067 ath11k_warn(ab, "failed to create peer after vdev start delay: %d", 7068 ret); 7069 goto out; 7070 } 7071 } 7072 7073 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 7074 ret = ath11k_mac_monitor_start(ar); 7075 if (ret) { 7076 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d", 7077 ret); 7078 goto out; 7079 } 7080 7081 arvif->is_started = true; 7082 goto out; 7083 } 7084 7085 ret = ath11k_mac_vdev_start(arvif, ctx); 7086 if (ret) { 7087 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n", 7088 arvif->vdev_id, vif->addr, 7089 ctx->def.chan->center_freq, ret); 7090 goto out; 7091 } 7092 7093 arvif->is_started = true; 7094 7095 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && 7096 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) { 7097 ret = ath11k_mac_monitor_start(ar); 7098 if (ret) { 7099 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d", 7100 ret); 7101 goto out; 7102 } 7103 } 7104 7105 /* TODO: Setup ps and cts/rts protection */ 7106 7107 ret = 0; 7108 7109 out: 7110 mutex_unlock(&ar->conf_mutex); 7111 7112 return ret; 7113 } 7114 7115 static void 7116 ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, 7117 struct ieee80211_vif *vif, 7118 struct ieee80211_chanctx_conf *ctx) 7119 { 7120 struct ath11k *ar = hw->priv; 7121 struct ath11k_base *ab = ar->ab; 7122 struct ath11k_vif *arvif = (void *)vif->drv_priv; 7123 int ret; 7124 7125 mutex_lock(&ar->conf_mutex); 7126 7127 ath11k_dbg(ab, ATH11K_DBG_MAC, 7128 "mac chanctx unassign ptr %pK vdev_id %i\n", 7129 ctx, arvif->vdev_id); 7130 7131 WARN_ON(!arvif->is_started); 7132 7133 if (ab->hw_params.vdev_start_delay && 7134 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR && 7135 ath11k_peer_find_by_addr(ab, ar->mac_addr)) 7136 ath11k_peer_delete(ar, arvif->vdev_id, ar->mac_addr); 7137 7138 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { 7139 ret = ath11k_mac_monitor_stop(ar); 7140 if (ret) { 7141 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d", 7142 ret); 7143 mutex_unlock(&ar->conf_mutex); 7144 return; 7145 } 7146 7147 arvif->is_started = false; 7148 mutex_unlock(&ar->conf_mutex); 7149 return; 7150 } 7151 7152 ret = ath11k_mac_vdev_stop(arvif); 7153 if (ret) 7154 ath11k_warn(ab, "failed to stop vdev %i: %d\n", 7155 arvif->vdev_id, ret); 7156 7157 arvif->is_started = false; 7158 7159 if (ab->hw_params.vdev_start_delay && 7160 arvif->vdev_type == WMI_VDEV_TYPE_STA) { 7161 ret = ath11k_peer_delete(ar, arvif->vdev_id, arvif->bssid); 7162 if (ret) 7163 ath11k_warn(ar->ab, 7164 "failed to delete peer %pM for vdev %d: %d\n", 7165 arvif->bssid, arvif->vdev_id, ret); 7166 else 7167 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 7168 "mac removed peer %pM vdev %d after vdev stop\n", 7169 arvif->bssid, arvif->vdev_id); 7170 } 7171 7172 if (ab->hw_params.vdev_start_delay && 7173 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) 7174 ath11k_wmi_vdev_down(ar, arvif->vdev_id); 7175 7176 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && 7177 ar->num_started_vdevs == 1 && 7178 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) { 7179 ret = ath11k_mac_monitor_stop(ar); 7180 if (ret) 7181 /* continue even if there's an error */ 7182 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d", 7183 ret); 7184 } 7185 7186 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 7187 ath11k_mac_11d_scan_start(ar, arvif->vdev_id, false); 7188 7189 mutex_unlock(&ar->conf_mutex); 7190 } 7191 7192 static int 7193 ath11k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw, 7194 struct ieee80211_vif_chanctx_switch *vifs, 7195 int n_vifs, 7196 enum ieee80211_chanctx_switch_mode mode) 7197 { 7198 struct ath11k *ar = hw->priv; 7199 7200 mutex_lock(&ar->conf_mutex); 7201 7202 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 7203 "mac chanctx switch n_vifs %d mode %d\n", 7204 n_vifs, mode); 7205 ath11k_mac_update_vif_chan(ar, vifs, n_vifs); 7206 7207 mutex_unlock(&ar->conf_mutex); 7208 7209 return 0; 7210 } 7211 7212 static int 7213 ath11k_set_vdev_param_to_all_vifs(struct ath11k *ar, int param, u32 value) 7214 { 7215 struct ath11k_vif *arvif; 7216 int ret = 0; 7217 7218 mutex_lock(&ar->conf_mutex); 7219 list_for_each_entry(arvif, &ar->arvifs, list) { 7220 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting mac vdev %d param %d value %d\n", 7221 param, arvif->vdev_id, value); 7222 7223 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7224 param, value); 7225 if (ret) { 7226 ath11k_warn(ar->ab, "failed to set param %d for vdev %d: %d\n", 7227 param, arvif->vdev_id, ret); 7228 break; 7229 } 7230 } 7231 mutex_unlock(&ar->conf_mutex); 7232 return ret; 7233 } 7234 7235 /* mac80211 stores device specific RTS/Fragmentation threshold value, 7236 * this is set interface specific to firmware from ath11k driver 7237 */ 7238 static int ath11k_mac_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 7239 { 7240 struct ath11k *ar = hw->priv; 7241 int param_id = WMI_VDEV_PARAM_RTS_THRESHOLD; 7242 7243 return ath11k_set_vdev_param_to_all_vifs(ar, param_id, value); 7244 } 7245 7246 static int ath11k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) 7247 { 7248 /* Even though there's a WMI vdev param for fragmentation threshold no 7249 * known firmware actually implements it. Moreover it is not possible to 7250 * rely frame fragmentation to mac80211 because firmware clears the 7251 * "more fragments" bit in frame control making it impossible for remote 7252 * devices to reassemble frames. 7253 * 7254 * Hence implement a dummy callback just to say fragmentation isn't 7255 * supported. This effectively prevents mac80211 from doing frame 7256 * fragmentation in software. 7257 */ 7258 return -EOPNOTSUPP; 7259 } 7260 7261 static void ath11k_mac_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 7262 u32 queues, bool drop) 7263 { 7264 struct ath11k *ar = hw->priv; 7265 long time_left; 7266 7267 if (drop) 7268 return; 7269 7270 time_left = wait_event_timeout(ar->dp.tx_empty_waitq, 7271 (atomic_read(&ar->dp.num_tx_pending) == 0), 7272 ATH11K_FLUSH_TIMEOUT); 7273 if (time_left == 0) 7274 ath11k_warn(ar->ab, "failed to flush transmit queue %ld\n", time_left); 7275 7276 time_left = wait_event_timeout(ar->txmgmt_empty_waitq, 7277 (atomic_read(&ar->num_pending_mgmt_tx) == 0), 7278 ATH11K_FLUSH_TIMEOUT); 7279 if (time_left == 0) 7280 ath11k_warn(ar->ab, "failed to flush mgmt transmit queue %ld\n", 7281 time_left); 7282 7283 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 7284 "mac mgmt tx flush mgmt pending %d\n", 7285 atomic_read(&ar->num_pending_mgmt_tx)); 7286 } 7287 7288 static int 7289 ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k *ar, 7290 enum nl80211_band band, 7291 const struct cfg80211_bitrate_mask *mask) 7292 { 7293 int num_rates = 0; 7294 int i; 7295 7296 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) 7297 num_rates += hweight16(mask->control[band].ht_mcs[i]); 7298 7299 return num_rates; 7300 } 7301 7302 static bool 7303 ath11k_mac_has_single_legacy_rate(struct ath11k *ar, 7304 enum nl80211_band band, 7305 const struct cfg80211_bitrate_mask *mask) 7306 { 7307 int num_rates = 0; 7308 7309 num_rates = hweight32(mask->control[band].legacy); 7310 7311 if (ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask)) 7312 return false; 7313 7314 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask)) 7315 return false; 7316 7317 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask)) 7318 return false; 7319 7320 return num_rates == 1; 7321 } 7322 7323 static __le16 7324 ath11k_mac_get_tx_mcs_map(const struct ieee80211_sta_he_cap *he_cap) 7325 { 7326 if (he_cap->he_cap_elem.phy_cap_info[0] & 7327 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 7328 return he_cap->he_mcs_nss_supp.tx_mcs_80p80; 7329 7330 if (he_cap->he_cap_elem.phy_cap_info[0] & 7331 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 7332 return he_cap->he_mcs_nss_supp.tx_mcs_160; 7333 7334 return he_cap->he_mcs_nss_supp.tx_mcs_80; 7335 } 7336 7337 static bool 7338 ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar, 7339 enum nl80211_band band, 7340 const struct cfg80211_bitrate_mask *mask, 7341 int *nss) 7342 { 7343 struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; 7344 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); 7345 u16 he_mcs_map = 0; 7346 u8 ht_nss_mask = 0; 7347 u8 vht_nss_mask = 0; 7348 u8 he_nss_mask = 0; 7349 int i; 7350 7351 /* No need to consider legacy here. Basic rates are always present 7352 * in bitrate mask 7353 */ 7354 7355 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { 7356 if (mask->control[band].ht_mcs[i] == 0) 7357 continue; 7358 else if (mask->control[band].ht_mcs[i] == 7359 sband->ht_cap.mcs.rx_mask[i]) 7360 ht_nss_mask |= BIT(i); 7361 else 7362 return false; 7363 } 7364 7365 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 7366 if (mask->control[band].vht_mcs[i] == 0) 7367 continue; 7368 else if (mask->control[band].vht_mcs[i] == 7369 ath11k_mac_get_max_vht_mcs_map(vht_mcs_map, i)) 7370 vht_nss_mask |= BIT(i); 7371 else 7372 return false; 7373 } 7374 7375 he_mcs_map = le16_to_cpu(ath11k_mac_get_tx_mcs_map(&sband->iftype_data->he_cap)); 7376 7377 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) { 7378 if (mask->control[band].he_mcs[i] == 0) 7379 continue; 7380 7381 if (mask->control[band].he_mcs[i] == 7382 ath11k_mac_get_max_he_mcs_map(he_mcs_map, i)) 7383 he_nss_mask |= BIT(i); 7384 else 7385 return false; 7386 } 7387 7388 if (ht_nss_mask != vht_nss_mask || ht_nss_mask != he_nss_mask) 7389 return false; 7390 7391 if (ht_nss_mask == 0) 7392 return false; 7393 7394 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask) 7395 return false; 7396 7397 *nss = fls(ht_nss_mask); 7398 7399 return true; 7400 } 7401 7402 static int 7403 ath11k_mac_get_single_legacy_rate(struct ath11k *ar, 7404 enum nl80211_band band, 7405 const struct cfg80211_bitrate_mask *mask, 7406 u32 *rate, u8 *nss) 7407 { 7408 int rate_idx; 7409 u16 bitrate; 7410 u8 preamble; 7411 u8 hw_rate; 7412 7413 if (hweight32(mask->control[band].legacy) != 1) 7414 return -EINVAL; 7415 7416 rate_idx = ffs(mask->control[band].legacy) - 1; 7417 7418 if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) 7419 rate_idx += ATH11K_MAC_FIRST_OFDM_RATE_IDX; 7420 7421 hw_rate = ath11k_legacy_rates[rate_idx].hw_value; 7422 bitrate = ath11k_legacy_rates[rate_idx].bitrate; 7423 7424 if (ath11k_mac_bitrate_is_cck(bitrate)) 7425 preamble = WMI_RATE_PREAMBLE_CCK; 7426 else 7427 preamble = WMI_RATE_PREAMBLE_OFDM; 7428 7429 *nss = 1; 7430 *rate = ATH11K_HW_RATE_CODE(hw_rate, 0, preamble); 7431 7432 return 0; 7433 } 7434 7435 static int 7436 ath11k_mac_set_fixed_rate_gi_ltf(struct ath11k_vif *arvif, u8 he_gi, u8 he_ltf) 7437 { 7438 struct ath11k *ar = arvif->ar; 7439 int ret; 7440 7441 /* 0.8 = 0, 1.6 = 2 and 3.2 = 3. */ 7442 if (he_gi && he_gi != 0xFF) 7443 he_gi += 1; 7444 7445 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7446 WMI_VDEV_PARAM_SGI, he_gi); 7447 if (ret) { 7448 ath11k_warn(ar->ab, "failed to set he gi %d: %d\n", 7449 he_gi, ret); 7450 return ret; 7451 } 7452 /* start from 1 */ 7453 if (he_ltf != 0xFF) 7454 he_ltf += 1; 7455 7456 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7457 WMI_VDEV_PARAM_HE_LTF, he_ltf); 7458 if (ret) { 7459 ath11k_warn(ar->ab, "failed to set he ltf %d: %d\n", 7460 he_ltf, ret); 7461 return ret; 7462 } 7463 7464 return 0; 7465 } 7466 7467 static int 7468 ath11k_mac_set_auto_rate_gi_ltf(struct ath11k_vif *arvif, u16 he_gi, u8 he_ltf) 7469 { 7470 struct ath11k *ar = arvif->ar; 7471 int ret; 7472 u32 he_ar_gi_ltf; 7473 7474 if (he_gi != 0xFF) { 7475 switch (he_gi) { 7476 case NL80211_RATE_INFO_HE_GI_0_8: 7477 he_gi = WMI_AUTORATE_800NS_GI; 7478 break; 7479 case NL80211_RATE_INFO_HE_GI_1_6: 7480 he_gi = WMI_AUTORATE_1600NS_GI; 7481 break; 7482 case NL80211_RATE_INFO_HE_GI_3_2: 7483 he_gi = WMI_AUTORATE_3200NS_GI; 7484 break; 7485 default: 7486 ath11k_warn(ar->ab, "invalid he gi: %d\n", he_gi); 7487 return -EINVAL; 7488 } 7489 } 7490 7491 if (he_ltf != 0xFF) { 7492 switch (he_ltf) { 7493 case NL80211_RATE_INFO_HE_1XLTF: 7494 he_ltf = WMI_HE_AUTORATE_LTF_1X; 7495 break; 7496 case NL80211_RATE_INFO_HE_2XLTF: 7497 he_ltf = WMI_HE_AUTORATE_LTF_2X; 7498 break; 7499 case NL80211_RATE_INFO_HE_4XLTF: 7500 he_ltf = WMI_HE_AUTORATE_LTF_4X; 7501 break; 7502 default: 7503 ath11k_warn(ar->ab, "invalid he ltf: %d\n", he_ltf); 7504 return -EINVAL; 7505 } 7506 } 7507 7508 he_ar_gi_ltf = he_gi | he_ltf; 7509 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7510 WMI_VDEV_PARAM_AUTORATE_MISC_CFG, 7511 he_ar_gi_ltf); 7512 if (ret) { 7513 ath11k_warn(ar->ab, 7514 "failed to set he autorate gi %u ltf %u: %d\n", 7515 he_gi, he_ltf, ret); 7516 return ret; 7517 } 7518 7519 return 0; 7520 } 7521 7522 static int ath11k_mac_set_rate_params(struct ath11k_vif *arvif, 7523 u32 rate, u8 nss, u8 sgi, u8 ldpc, 7524 u8 he_gi, u8 he_ltf, bool he_fixed_rate) 7525 { 7526 struct ath11k *ar = arvif->ar; 7527 u32 vdev_param; 7528 int ret; 7529 7530 lockdep_assert_held(&ar->conf_mutex); 7531 7532 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 7533 "mac 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", 7534 arvif->vdev_id, rate, nss, sgi, ldpc, he_gi, 7535 he_ltf, he_fixed_rate); 7536 7537 if (!arvif->vif->bss_conf.he_support) { 7538 vdev_param = WMI_VDEV_PARAM_FIXED_RATE; 7539 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7540 vdev_param, rate); 7541 if (ret) { 7542 ath11k_warn(ar->ab, "failed to set fixed rate param 0x%02x: %d\n", 7543 rate, ret); 7544 return ret; 7545 } 7546 } 7547 7548 vdev_param = WMI_VDEV_PARAM_NSS; 7549 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7550 vdev_param, nss); 7551 if (ret) { 7552 ath11k_warn(ar->ab, "failed to set nss param %d: %d\n", 7553 nss, ret); 7554 return ret; 7555 } 7556 7557 vdev_param = WMI_VDEV_PARAM_LDPC; 7558 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7559 vdev_param, ldpc); 7560 if (ret) { 7561 ath11k_warn(ar->ab, "failed to set ldpc param %d: %d\n", 7562 ldpc, ret); 7563 return ret; 7564 } 7565 7566 if (arvif->vif->bss_conf.he_support) { 7567 if (he_fixed_rate) { 7568 ret = ath11k_mac_set_fixed_rate_gi_ltf(arvif, he_gi, 7569 he_ltf); 7570 if (ret) { 7571 ath11k_warn(ar->ab, "failed to set fixed rate gi ltf: %d\n", 7572 ret); 7573 return ret; 7574 } 7575 } else { 7576 ret = ath11k_mac_set_auto_rate_gi_ltf(arvif, he_gi, 7577 he_ltf); 7578 if (ret) { 7579 ath11k_warn(ar->ab, "failed to set auto rate gi ltf: %d\n", 7580 ret); 7581 return ret; 7582 } 7583 } 7584 } else { 7585 vdev_param = WMI_VDEV_PARAM_SGI; 7586 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, 7587 vdev_param, sgi); 7588 if (ret) { 7589 ath11k_warn(ar->ab, "failed to set sgi param %d: %d\n", 7590 sgi, ret); 7591 return ret; 7592 } 7593 } 7594 7595 return 0; 7596 } 7597 7598 static bool 7599 ath11k_mac_vht_mcs_range_present(struct ath11k *ar, 7600 enum nl80211_band band, 7601 const struct cfg80211_bitrate_mask *mask) 7602 { 7603 int i; 7604 u16 vht_mcs; 7605 7606 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { 7607 vht_mcs = mask->control[band].vht_mcs[i]; 7608 7609 switch (vht_mcs) { 7610 case 0: 7611 case BIT(8) - 1: 7612 case BIT(9) - 1: 7613 case BIT(10) - 1: 7614 break; 7615 default: 7616 return false; 7617 } 7618 } 7619 7620 return true; 7621 } 7622 7623 static bool 7624 ath11k_mac_he_mcs_range_present(struct ath11k *ar, 7625 enum nl80211_band band, 7626 const struct cfg80211_bitrate_mask *mask) 7627 { 7628 int i; 7629 u16 he_mcs; 7630 7631 for (i = 0; i < NL80211_HE_NSS_MAX; i++) { 7632 he_mcs = mask->control[band].he_mcs[i]; 7633 7634 switch (he_mcs) { 7635 case 0: 7636 case BIT(8) - 1: 7637 case BIT(10) - 1: 7638 case BIT(12) - 1: 7639 break; 7640 default: 7641 return false; 7642 } 7643 } 7644 7645 return true; 7646 } 7647 7648 static void ath11k_mac_set_bitrate_mask_iter(void *data, 7649 struct ieee80211_sta *sta) 7650 { 7651 struct ath11k_vif *arvif = data; 7652 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; 7653 struct ath11k *ar = arvif->ar; 7654 7655 spin_lock_bh(&ar->data_lock); 7656 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED; 7657 spin_unlock_bh(&ar->data_lock); 7658 7659 ieee80211_queue_work(ar->hw, &arsta->update_wk); 7660 } 7661 7662 static void ath11k_mac_disable_peer_fixed_rate(void *data, 7663 struct ieee80211_sta *sta) 7664 { 7665 struct ath11k_vif *arvif = data; 7666 struct ath11k *ar = arvif->ar; 7667 int ret; 7668 7669 ret = ath11k_wmi_set_peer_param(ar, sta->addr, 7670 arvif->vdev_id, 7671 WMI_PEER_PARAM_FIXED_RATE, 7672 WMI_FIXED_RATE_NONE); 7673 if (ret) 7674 ath11k_warn(ar->ab, 7675 "failed to disable peer fixed rate for STA %pM ret %d\n", 7676 sta->addr, ret); 7677 } 7678 7679 static bool 7680 ath11k_mac_validate_vht_he_fixed_rate_settings(struct ath11k *ar, enum nl80211_band band, 7681 const struct cfg80211_bitrate_mask *mask) 7682 { 7683 bool he_fixed_rate = false, vht_fixed_rate = false; 7684 struct ath11k_peer *peer, *tmp; 7685 const u16 *vht_mcs_mask, *he_mcs_mask; 7686 u8 vht_nss, he_nss; 7687 bool ret = true; 7688 7689 vht_mcs_mask = mask->control[band].vht_mcs; 7690 he_mcs_mask = mask->control[band].he_mcs; 7691 7692 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask) == 1) 7693 vht_fixed_rate = true; 7694 7695 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask) == 1) 7696 he_fixed_rate = true; 7697 7698 if (!vht_fixed_rate && !he_fixed_rate) 7699 return true; 7700 7701 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask); 7702 he_nss = ath11k_mac_max_he_nss(he_mcs_mask); 7703 7704 rcu_read_lock(); 7705 spin_lock_bh(&ar->ab->base_lock); 7706 list_for_each_entry_safe(peer, tmp, &ar->ab->peers, list) { 7707 if (peer->sta) { 7708 if (vht_fixed_rate && (!peer->sta->vht_cap.vht_supported || 7709 peer->sta->rx_nss < vht_nss)) { 7710 ret = false; 7711 goto out; 7712 } 7713 if (he_fixed_rate && (!peer->sta->he_cap.has_he || 7714 peer->sta->rx_nss < he_nss)) { 7715 ret = false; 7716 goto out; 7717 } 7718 } 7719 } 7720 7721 out: 7722 spin_unlock_bh(&ar->ab->base_lock); 7723 rcu_read_unlock(); 7724 return ret; 7725 } 7726 7727 static int 7728 ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, 7729 struct ieee80211_vif *vif, 7730 const struct cfg80211_bitrate_mask *mask) 7731 { 7732 struct ath11k_vif *arvif = (void *)vif->drv_priv; 7733 struct cfg80211_chan_def def; 7734 struct ath11k *ar = arvif->ar; 7735 enum nl80211_band band; 7736 const u8 *ht_mcs_mask; 7737 const u16 *vht_mcs_mask; 7738 const u16 *he_mcs_mask; 7739 u8 he_ltf = 0; 7740 u8 he_gi = 0; 7741 u32 rate; 7742 u8 nss; 7743 u8 sgi; 7744 u8 ldpc; 7745 int single_nss; 7746 int ret; 7747 int num_rates; 7748 bool he_fixed_rate = false; 7749 7750 if (ath11k_mac_vif_chan(vif, &def)) 7751 return -EPERM; 7752 7753 band = def.chan->band; 7754 ht_mcs_mask = mask->control[band].ht_mcs; 7755 vht_mcs_mask = mask->control[band].vht_mcs; 7756 he_mcs_mask = mask->control[band].he_mcs; 7757 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC); 7758 7759 sgi = mask->control[band].gi; 7760 if (sgi == NL80211_TXRATE_FORCE_LGI) 7761 return -EINVAL; 7762 7763 he_gi = mask->control[band].he_gi; 7764 he_ltf = mask->control[band].he_ltf; 7765 7766 /* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it 7767 * requires passing atleast one of used basic rates along with them. 7768 * Fixed rate setting across different preambles(legacy, HT, VHT) is 7769 * not supported by the FW. Hence use of FIXED_RATE vdev param is not 7770 * suitable for setting single HT/VHT rates. 7771 * But, there could be a single basic rate passed from userspace which 7772 * can be done through the FIXED_RATE param. 7773 */ 7774 if (ath11k_mac_has_single_legacy_rate(ar, band, mask)) { 7775 ret = ath11k_mac_get_single_legacy_rate(ar, band, mask, &rate, 7776 &nss); 7777 if (ret) { 7778 ath11k_warn(ar->ab, "failed to get single legacy rate for vdev %i: %d\n", 7779 arvif->vdev_id, ret); 7780 return ret; 7781 } 7782 ieee80211_iterate_stations_atomic(ar->hw, 7783 ath11k_mac_disable_peer_fixed_rate, 7784 arvif); 7785 } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, band, mask, 7786 &single_nss)) { 7787 rate = WMI_FIXED_RATE_NONE; 7788 nss = single_nss; 7789 mutex_lock(&ar->conf_mutex); 7790 arvif->bitrate_mask = *mask; 7791 ieee80211_iterate_stations_atomic(ar->hw, 7792 ath11k_mac_set_bitrate_mask_iter, 7793 arvif); 7794 mutex_unlock(&ar->conf_mutex); 7795 } else { 7796 rate = WMI_FIXED_RATE_NONE; 7797 7798 if (!ath11k_mac_validate_vht_he_fixed_rate_settings(ar, band, mask)) 7799 ath11k_warn(ar->ab, 7800 "could not update fixed rate settings to all peers due to mcs/nss incompatibility\n"); 7801 nss = min_t(u32, ar->num_tx_chains, 7802 max(max(ath11k_mac_max_ht_nss(ht_mcs_mask), 7803 ath11k_mac_max_vht_nss(vht_mcs_mask)), 7804 ath11k_mac_max_he_nss(he_mcs_mask))); 7805 7806 /* If multiple rates across different preambles are given 7807 * we can reconfigure this info with all peers using PEER_ASSOC 7808 * command with the below exception cases. 7809 * - Single VHT Rate : peer_assoc command accommodates only MCS 7810 * range values i.e 0-7, 0-8, 0-9 for VHT. Though mac80211 7811 * mandates passing basic rates along with HT/VHT rates, FW 7812 * doesn't allow switching from VHT to Legacy. Hence instead of 7813 * setting legacy and VHT rates using RATEMASK_CMD vdev cmd, 7814 * we could set this VHT rate as peer fixed rate param, which 7815 * will override FIXED rate and FW rate control algorithm. 7816 * If single VHT rate is passed along with HT rates, we select 7817 * the VHT rate as fixed rate for vht peers. 7818 * - Multiple VHT Rates : When Multiple VHT rates are given,this 7819 * can be set using RATEMASK CMD which uses FW rate-ctl alg. 7820 * TODO: Setting multiple VHT MCS and replacing peer_assoc with 7821 * RATEMASK_CMDID can cover all use cases of setting rates 7822 * across multiple preambles and rates within same type. 7823 * But requires more validation of the command at this point. 7824 */ 7825 7826 num_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, 7827 mask); 7828 7829 if (!ath11k_mac_vht_mcs_range_present(ar, band, mask) && 7830 num_rates > 1) { 7831 /* TODO: Handle multiple VHT MCS values setting using 7832 * RATEMASK CMD 7833 */ 7834 ath11k_warn(ar->ab, 7835 "setting %d mcs values in bitrate mask not supported\n", 7836 num_rates); 7837 return -EINVAL; 7838 } 7839 7840 num_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, 7841 mask); 7842 if (num_rates == 1) 7843 he_fixed_rate = true; 7844 7845 if (!ath11k_mac_he_mcs_range_present(ar, band, mask) && 7846 num_rates > 1) { 7847 ath11k_warn(ar->ab, 7848 "Setting more than one HE MCS Value in bitrate mask not supported\n"); 7849 return -EINVAL; 7850 } 7851 7852 mutex_lock(&ar->conf_mutex); 7853 ieee80211_iterate_stations_atomic(ar->hw, 7854 ath11k_mac_disable_peer_fixed_rate, 7855 arvif); 7856 7857 arvif->bitrate_mask = *mask; 7858 ieee80211_iterate_stations_atomic(ar->hw, 7859 ath11k_mac_set_bitrate_mask_iter, 7860 arvif); 7861 7862 mutex_unlock(&ar->conf_mutex); 7863 } 7864 7865 mutex_lock(&ar->conf_mutex); 7866 7867 ret = ath11k_mac_set_rate_params(arvif, rate, nss, sgi, ldpc, he_gi, 7868 he_ltf, he_fixed_rate); 7869 if (ret) { 7870 ath11k_warn(ar->ab, "failed to set rate params on vdev %i: %d\n", 7871 arvif->vdev_id, ret); 7872 } 7873 7874 mutex_unlock(&ar->conf_mutex); 7875 7876 return ret; 7877 } 7878 7879 static void 7880 ath11k_mac_op_reconfig_complete(struct ieee80211_hw *hw, 7881 enum ieee80211_reconfig_type reconfig_type) 7882 { 7883 struct ath11k *ar = hw->priv; 7884 7885 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) 7886 return; 7887 7888 mutex_lock(&ar->conf_mutex); 7889 7890 if (ar->state == ATH11K_STATE_RESTARTED) { 7891 ath11k_warn(ar->ab, "pdev %d successfully recovered\n", 7892 ar->pdev->pdev_id); 7893 ar->state = ATH11K_STATE_ON; 7894 ieee80211_wake_queues(ar->hw); 7895 } 7896 7897 mutex_unlock(&ar->conf_mutex); 7898 } 7899 7900 static void 7901 ath11k_mac_update_bss_chan_survey(struct ath11k *ar, 7902 struct ieee80211_channel *channel) 7903 { 7904 int ret; 7905 enum wmi_bss_chan_info_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ; 7906 7907 lockdep_assert_held(&ar->conf_mutex); 7908 7909 if (!test_bit(WMI_TLV_SERVICE_BSS_CHANNEL_INFO_64, ar->ab->wmi_ab.svc_map) || 7910 ar->rx_channel != channel) 7911 return; 7912 7913 if (ar->scan.state != ATH11K_SCAN_IDLE) { 7914 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 7915 "ignoring bss chan info req while scanning..\n"); 7916 return; 7917 } 7918 7919 reinit_completion(&ar->bss_survey_done); 7920 7921 ret = ath11k_wmi_pdev_bss_chan_info_request(ar, type); 7922 if (ret) { 7923 ath11k_warn(ar->ab, "failed to send pdev bss chan info request\n"); 7924 return; 7925 } 7926 7927 ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ); 7928 if (ret == 0) 7929 ath11k_warn(ar->ab, "bss channel survey timed out\n"); 7930 } 7931 7932 static int ath11k_mac_op_get_survey(struct ieee80211_hw *hw, int idx, 7933 struct survey_info *survey) 7934 { 7935 struct ath11k *ar = hw->priv; 7936 struct ieee80211_supported_band *sband; 7937 struct survey_info *ar_survey; 7938 int ret = 0; 7939 7940 if (idx >= ATH11K_NUM_CHANS) 7941 return -ENOENT; 7942 7943 ar_survey = &ar->survey[idx]; 7944 7945 mutex_lock(&ar->conf_mutex); 7946 7947 sband = hw->wiphy->bands[NL80211_BAND_2GHZ]; 7948 if (sband && idx >= sband->n_channels) { 7949 idx -= sband->n_channels; 7950 sband = NULL; 7951 } 7952 7953 if (!sband) 7954 sband = hw->wiphy->bands[NL80211_BAND_5GHZ]; 7955 if (sband && idx >= sband->n_channels) { 7956 idx -= sband->n_channels; 7957 sband = NULL; 7958 } 7959 7960 if (!sband) 7961 sband = hw->wiphy->bands[NL80211_BAND_6GHZ]; 7962 if (!sband || idx >= sband->n_channels) { 7963 ret = -ENOENT; 7964 goto exit; 7965 } 7966 7967 ath11k_mac_update_bss_chan_survey(ar, &sband->channels[idx]); 7968 7969 spin_lock_bh(&ar->data_lock); 7970 memcpy(survey, ar_survey, sizeof(*survey)); 7971 spin_unlock_bh(&ar->data_lock); 7972 7973 survey->channel = &sband->channels[idx]; 7974 7975 if (ar->rx_channel == survey->channel) 7976 survey->filled |= SURVEY_INFO_IN_USE; 7977 7978 exit: 7979 mutex_unlock(&ar->conf_mutex); 7980 return ret; 7981 } 7982 7983 static void ath11k_mac_put_chain_rssi(struct station_info *sinfo, 7984 struct ath11k_sta *arsta, 7985 char *pre, 7986 bool clear) 7987 { 7988 struct ath11k *ar = arsta->arvif->ar; 7989 int i; 7990 s8 rssi; 7991 7992 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) { 7993 sinfo->chains &= ~BIT(i); 7994 rssi = arsta->chain_signal[i]; 7995 if (clear) 7996 arsta->chain_signal[i] = ATH11K_INVALID_RSSI_FULL; 7997 7998 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 7999 "mac sta statistics %s rssi[%d] %d\n", pre, i, rssi); 8000 8001 if (rssi != ATH11K_DEFAULT_NOISE_FLOOR && 8002 rssi != ATH11K_INVALID_RSSI_FULL && 8003 rssi != ATH11K_INVALID_RSSI_EMPTY && 8004 rssi != 0) { 8005 sinfo->chain_signal[i] = rssi; 8006 sinfo->chains |= BIT(i); 8007 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL); 8008 } 8009 } 8010 } 8011 8012 static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw, 8013 struct ieee80211_vif *vif, 8014 struct ieee80211_sta *sta, 8015 struct station_info *sinfo) 8016 { 8017 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; 8018 struct ath11k *ar = arsta->arvif->ar; 8019 s8 signal; 8020 bool db2dbm = test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT, 8021 ar->ab->wmi_ab.svc_map); 8022 8023 sinfo->rx_duration = arsta->rx_duration; 8024 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION); 8025 8026 sinfo->tx_duration = arsta->tx_duration; 8027 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION); 8028 8029 if (arsta->txrate.legacy || arsta->txrate.nss) { 8030 if (arsta->txrate.legacy) { 8031 sinfo->txrate.legacy = arsta->txrate.legacy; 8032 } else { 8033 sinfo->txrate.mcs = arsta->txrate.mcs; 8034 sinfo->txrate.nss = arsta->txrate.nss; 8035 sinfo->txrate.bw = arsta->txrate.bw; 8036 sinfo->txrate.he_gi = arsta->txrate.he_gi; 8037 sinfo->txrate.he_dcm = arsta->txrate.he_dcm; 8038 sinfo->txrate.he_ru_alloc = arsta->txrate.he_ru_alloc; 8039 } 8040 sinfo->txrate.flags = arsta->txrate.flags; 8041 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 8042 } 8043 8044 ath11k_mac_put_chain_rssi(sinfo, arsta, "ppdu", false); 8045 8046 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) && 8047 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA && 8048 ar->ab->hw_params.supports_rssi_stats && 8049 !ath11k_debugfs_get_fw_stats(ar, ar->pdev->pdev_id, 0, 8050 WMI_REQUEST_RSSI_PER_CHAIN_STAT)) { 8051 ath11k_mac_put_chain_rssi(sinfo, arsta, "fw stats", true); 8052 } 8053 8054 signal = arsta->rssi_comb; 8055 if (!signal && 8056 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA && 8057 ar->ab->hw_params.supports_rssi_stats && 8058 !(ath11k_debugfs_get_fw_stats(ar, ar->pdev->pdev_id, 0, 8059 WMI_REQUEST_VDEV_STAT))) 8060 signal = arsta->rssi_beacon; 8061 8062 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, 8063 "mac sta statistics db2dbm %u rssi comb %d rssi beacon %d\n", 8064 db2dbm, arsta->rssi_comb, arsta->rssi_beacon); 8065 8066 if (signal) { 8067 sinfo->signal = db2dbm ? signal : signal + ATH11K_DEFAULT_NOISE_FLOOR; 8068 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 8069 } 8070 } 8071 8072 static const struct ieee80211_ops ath11k_ops = { 8073 .tx = ath11k_mac_op_tx, 8074 .start = ath11k_mac_op_start, 8075 .stop = ath11k_mac_op_stop, 8076 .reconfig_complete = ath11k_mac_op_reconfig_complete, 8077 .add_interface = ath11k_mac_op_add_interface, 8078 .remove_interface = ath11k_mac_op_remove_interface, 8079 .update_vif_offload = ath11k_mac_op_update_vif_offload, 8080 .config = ath11k_mac_op_config, 8081 .bss_info_changed = ath11k_mac_op_bss_info_changed, 8082 .configure_filter = ath11k_mac_op_configure_filter, 8083 .hw_scan = ath11k_mac_op_hw_scan, 8084 .cancel_hw_scan = ath11k_mac_op_cancel_hw_scan, 8085 .set_key = ath11k_mac_op_set_key, 8086 .sta_state = ath11k_mac_op_sta_state, 8087 .sta_set_4addr = ath11k_mac_op_sta_set_4addr, 8088 .sta_set_txpwr = ath11k_mac_op_sta_set_txpwr, 8089 .sta_rc_update = ath11k_mac_op_sta_rc_update, 8090 .conf_tx = ath11k_mac_op_conf_tx, 8091 .set_antenna = ath11k_mac_op_set_antenna, 8092 .get_antenna = ath11k_mac_op_get_antenna, 8093 .ampdu_action = ath11k_mac_op_ampdu_action, 8094 .add_chanctx = ath11k_mac_op_add_chanctx, 8095 .remove_chanctx = ath11k_mac_op_remove_chanctx, 8096 .change_chanctx = ath11k_mac_op_change_chanctx, 8097 .assign_vif_chanctx = ath11k_mac_op_assign_vif_chanctx, 8098 .unassign_vif_chanctx = ath11k_mac_op_unassign_vif_chanctx, 8099 .switch_vif_chanctx = ath11k_mac_op_switch_vif_chanctx, 8100 .set_rts_threshold = ath11k_mac_op_set_rts_threshold, 8101 .set_frag_threshold = ath11k_mac_op_set_frag_threshold, 8102 .set_bitrate_mask = ath11k_mac_op_set_bitrate_mask, 8103 .get_survey = ath11k_mac_op_get_survey, 8104 .flush = ath11k_mac_op_flush, 8105 .sta_statistics = ath11k_mac_op_sta_statistics, 8106 CFG80211_TESTMODE_CMD(ath11k_tm_cmd) 8107 #ifdef CONFIG_ATH11K_DEBUGFS 8108 .sta_add_debugfs = ath11k_debugfs_sta_op_add, 8109 #endif 8110 }; 8111 8112 static void ath11k_mac_update_ch_list(struct ath11k *ar, 8113 struct ieee80211_supported_band *band, 8114 u32 freq_low, u32 freq_high) 8115 { 8116 int i; 8117 8118 if (!(freq_low && freq_high)) 8119 return; 8120 8121 for (i = 0; i < band->n_channels; i++) { 8122 if (band->channels[i].center_freq < freq_low || 8123 band->channels[i].center_freq > freq_high) 8124 band->channels[i].flags |= IEEE80211_CHAN_DISABLED; 8125 } 8126 } 8127 8128 static u32 ath11k_get_phy_id(struct ath11k *ar, u32 band) 8129 { 8130 struct ath11k_pdev *pdev = ar->pdev; 8131 struct ath11k_pdev_cap *pdev_cap = &pdev->cap; 8132 8133 if (band == WMI_HOST_WLAN_2G_CAP) 8134 return pdev_cap->band[NL80211_BAND_2GHZ].phy_id; 8135 8136 if (band == WMI_HOST_WLAN_5G_CAP) 8137 return pdev_cap->band[NL80211_BAND_5GHZ].phy_id; 8138 8139 ath11k_warn(ar->ab, "unsupported phy cap:%d\n", band); 8140 8141 return 0; 8142 } 8143 8144 static int ath11k_mac_setup_channels_rates(struct ath11k *ar, 8145 u32 supported_bands) 8146 { 8147 struct ieee80211_supported_band *band; 8148 struct ath11k_hal_reg_capabilities_ext *reg_cap, *temp_reg_cap; 8149 void *channels; 8150 u32 phy_id; 8151 8152 BUILD_BUG_ON((ARRAY_SIZE(ath11k_2ghz_channels) + 8153 ARRAY_SIZE(ath11k_5ghz_channels) + 8154 ARRAY_SIZE(ath11k_6ghz_channels)) != 8155 ATH11K_NUM_CHANS); 8156 8157 reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx]; 8158 temp_reg_cap = reg_cap; 8159 8160 if (supported_bands & WMI_HOST_WLAN_2G_CAP) { 8161 channels = kmemdup(ath11k_2ghz_channels, 8162 sizeof(ath11k_2ghz_channels), 8163 GFP_KERNEL); 8164 if (!channels) 8165 return -ENOMEM; 8166 8167 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 8168 band->band = NL80211_BAND_2GHZ; 8169 band->n_channels = ARRAY_SIZE(ath11k_2ghz_channels); 8170 band->channels = channels; 8171 band->n_bitrates = ath11k_g_rates_size; 8172 band->bitrates = ath11k_g_rates; 8173 ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band; 8174 8175 if (ar->ab->hw_params.single_pdev_only) { 8176 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_2G_CAP); 8177 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id]; 8178 } 8179 ath11k_mac_update_ch_list(ar, band, 8180 temp_reg_cap->low_2ghz_chan, 8181 temp_reg_cap->high_2ghz_chan); 8182 } 8183 8184 if (supported_bands & WMI_HOST_WLAN_5G_CAP) { 8185 if (reg_cap->high_5ghz_chan >= ATH11K_MAX_6G_FREQ) { 8186 channels = kmemdup(ath11k_6ghz_channels, 8187 sizeof(ath11k_6ghz_channels), GFP_KERNEL); 8188 if (!channels) { 8189 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 8190 return -ENOMEM; 8191 } 8192 8193 ar->supports_6ghz = true; 8194 band = &ar->mac.sbands[NL80211_BAND_6GHZ]; 8195 band->band = NL80211_BAND_6GHZ; 8196 band->n_channels = ARRAY_SIZE(ath11k_6ghz_channels); 8197 band->channels = channels; 8198 band->n_bitrates = ath11k_a_rates_size; 8199 band->bitrates = ath11k_a_rates; 8200 ar->hw->wiphy->bands[NL80211_BAND_6GHZ] = band; 8201 8202 if (ar->ab->hw_params.single_pdev_only) { 8203 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP); 8204 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id]; 8205 } 8206 8207 ath11k_mac_update_ch_list(ar, band, 8208 temp_reg_cap->low_5ghz_chan, 8209 temp_reg_cap->high_5ghz_chan); 8210 } 8211 8212 if (reg_cap->low_5ghz_chan < ATH11K_MIN_6G_FREQ) { 8213 channels = kmemdup(ath11k_5ghz_channels, 8214 sizeof(ath11k_5ghz_channels), 8215 GFP_KERNEL); 8216 if (!channels) { 8217 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 8218 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels); 8219 return -ENOMEM; 8220 } 8221 8222 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 8223 band->band = NL80211_BAND_5GHZ; 8224 band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels); 8225 band->channels = channels; 8226 band->n_bitrates = ath11k_a_rates_size; 8227 band->bitrates = ath11k_a_rates; 8228 ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band; 8229 8230 if (ar->ab->hw_params.single_pdev_only) { 8231 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP); 8232 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id]; 8233 } 8234 8235 ath11k_mac_update_ch_list(ar, band, 8236 temp_reg_cap->low_5ghz_chan, 8237 temp_reg_cap->high_5ghz_chan); 8238 } 8239 } 8240 8241 return 0; 8242 } 8243 8244 static int ath11k_mac_setup_iface_combinations(struct ath11k *ar) 8245 { 8246 struct ath11k_base *ab = ar->ab; 8247 struct ieee80211_iface_combination *combinations; 8248 struct ieee80211_iface_limit *limits; 8249 int n_limits; 8250 8251 combinations = kzalloc(sizeof(*combinations), GFP_KERNEL); 8252 if (!combinations) 8253 return -ENOMEM; 8254 8255 n_limits = 2; 8256 8257 limits = kcalloc(n_limits, sizeof(*limits), GFP_KERNEL); 8258 if (!limits) { 8259 kfree(combinations); 8260 return -ENOMEM; 8261 } 8262 8263 limits[0].max = 1; 8264 limits[0].types |= BIT(NL80211_IFTYPE_STATION); 8265 8266 limits[1].max = 16; 8267 limits[1].types |= BIT(NL80211_IFTYPE_AP); 8268 8269 if (IS_ENABLED(CONFIG_MAC80211_MESH) && 8270 ab->hw_params.interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8271 limits[1].types |= BIT(NL80211_IFTYPE_MESH_POINT); 8272 8273 combinations[0].limits = limits; 8274 combinations[0].n_limits = n_limits; 8275 combinations[0].max_interfaces = 16; 8276 combinations[0].num_different_channels = 1; 8277 combinations[0].beacon_int_infra_match = true; 8278 combinations[0].beacon_int_min_gcd = 100; 8279 combinations[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 8280 BIT(NL80211_CHAN_WIDTH_20) | 8281 BIT(NL80211_CHAN_WIDTH_40) | 8282 BIT(NL80211_CHAN_WIDTH_80) | 8283 BIT(NL80211_CHAN_WIDTH_80P80) | 8284 BIT(NL80211_CHAN_WIDTH_160); 8285 8286 ar->hw->wiphy->iface_combinations = combinations; 8287 ar->hw->wiphy->n_iface_combinations = 1; 8288 8289 return 0; 8290 } 8291 8292 static const u8 ath11k_if_types_ext_capa[] = { 8293 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 8294 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 8295 }; 8296 8297 static const u8 ath11k_if_types_ext_capa_sta[] = { 8298 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 8299 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 8300 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 8301 }; 8302 8303 static const u8 ath11k_if_types_ext_capa_ap[] = { 8304 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 8305 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 8306 [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT, 8307 }; 8308 8309 static const struct wiphy_iftype_ext_capab ath11k_iftypes_ext_capa[] = { 8310 { 8311 .extended_capabilities = ath11k_if_types_ext_capa, 8312 .extended_capabilities_mask = ath11k_if_types_ext_capa, 8313 .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa), 8314 }, { 8315 .iftype = NL80211_IFTYPE_STATION, 8316 .extended_capabilities = ath11k_if_types_ext_capa_sta, 8317 .extended_capabilities_mask = ath11k_if_types_ext_capa_sta, 8318 .extended_capabilities_len = 8319 sizeof(ath11k_if_types_ext_capa_sta), 8320 }, { 8321 .iftype = NL80211_IFTYPE_AP, 8322 .extended_capabilities = ath11k_if_types_ext_capa_ap, 8323 .extended_capabilities_mask = ath11k_if_types_ext_capa_ap, 8324 .extended_capabilities_len = 8325 sizeof(ath11k_if_types_ext_capa_ap), 8326 }, 8327 }; 8328 8329 static void __ath11k_mac_unregister(struct ath11k *ar) 8330 { 8331 cancel_work_sync(&ar->regd_update_work); 8332 8333 ieee80211_unregister_hw(ar->hw); 8334 8335 idr_for_each(&ar->txmgmt_idr, ath11k_mac_tx_mgmt_pending_free, ar); 8336 idr_destroy(&ar->txmgmt_idr); 8337 8338 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 8339 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 8340 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels); 8341 8342 kfree(ar->hw->wiphy->iface_combinations[0].limits); 8343 kfree(ar->hw->wiphy->iface_combinations); 8344 8345 SET_IEEE80211_DEV(ar->hw, NULL); 8346 } 8347 8348 void ath11k_mac_unregister(struct ath11k_base *ab) 8349 { 8350 struct ath11k *ar; 8351 struct ath11k_pdev *pdev; 8352 int i; 8353 8354 for (i = 0; i < ab->num_radios; i++) { 8355 pdev = &ab->pdevs[i]; 8356 ar = pdev->ar; 8357 if (!ar) 8358 continue; 8359 8360 __ath11k_mac_unregister(ar); 8361 } 8362 } 8363 8364 static int __ath11k_mac_register(struct ath11k *ar) 8365 { 8366 struct ath11k_base *ab = ar->ab; 8367 struct ath11k_pdev_cap *cap = &ar->pdev->cap; 8368 static const u32 cipher_suites[] = { 8369 WLAN_CIPHER_SUITE_TKIP, 8370 WLAN_CIPHER_SUITE_CCMP, 8371 WLAN_CIPHER_SUITE_AES_CMAC, 8372 WLAN_CIPHER_SUITE_BIP_CMAC_256, 8373 WLAN_CIPHER_SUITE_BIP_GMAC_128, 8374 WLAN_CIPHER_SUITE_BIP_GMAC_256, 8375 WLAN_CIPHER_SUITE_GCMP, 8376 WLAN_CIPHER_SUITE_GCMP_256, 8377 WLAN_CIPHER_SUITE_CCMP_256, 8378 }; 8379 int ret; 8380 u32 ht_cap = 0; 8381 8382 ath11k_pdev_caps_update(ar); 8383 8384 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); 8385 8386 SET_IEEE80211_DEV(ar->hw, ab->dev); 8387 8388 ret = ath11k_mac_setup_channels_rates(ar, 8389 cap->supported_bands); 8390 if (ret) 8391 goto err; 8392 8393 ath11k_mac_setup_ht_vht_cap(ar, cap, &ht_cap); 8394 ath11k_mac_setup_he_cap(ar, cap); 8395 8396 ret = ath11k_mac_setup_iface_combinations(ar); 8397 if (ret) { 8398 ath11k_err(ar->ab, "failed to setup interface combinations: %d\n", ret); 8399 goto err_free_channels; 8400 } 8401 8402 ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask; 8403 ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask; 8404 8405 ar->hw->wiphy->interface_modes = ab->hw_params.interface_modes; 8406 8407 if (ab->hw_params.single_pdev_only && ar->supports_6ghz) 8408 ieee80211_hw_set(ar->hw, SINGLE_SCAN_ON_ALL_BANDS); 8409 8410 ieee80211_hw_set(ar->hw, SIGNAL_DBM); 8411 ieee80211_hw_set(ar->hw, SUPPORTS_PS); 8412 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); 8413 ieee80211_hw_set(ar->hw, MFP_CAPABLE); 8414 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); 8415 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); 8416 ieee80211_hw_set(ar->hw, AP_LINK_PS); 8417 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT); 8418 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR); 8419 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK); 8420 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); 8421 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); 8422 ieee80211_hw_set(ar->hw, QUEUE_CONTROL); 8423 ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG); 8424 ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK); 8425 8426 if (ath11k_frame_mode == ATH11K_HW_TXRX_ETHERNET) { 8427 ieee80211_hw_set(ar->hw, SUPPORTS_TX_ENCAP_OFFLOAD); 8428 ieee80211_hw_set(ar->hw, SUPPORTS_RX_DECAP_OFFLOAD); 8429 } 8430 8431 if (cap->nss_ratio_enabled) 8432 ieee80211_hw_set(ar->hw, SUPPORTS_VHT_EXT_NSS_BW); 8433 8434 if ((ht_cap & WMI_HT_CAP_ENABLED) || ar->supports_6ghz) { 8435 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION); 8436 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW); 8437 ieee80211_hw_set(ar->hw, SUPPORTS_REORDERING_BUFFER); 8438 ieee80211_hw_set(ar->hw, SUPPORTS_AMSDU_IN_AMPDU); 8439 ieee80211_hw_set(ar->hw, USES_RSS); 8440 } 8441 8442 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; 8443 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 8444 8445 /* TODO: Check if HT capability advertised from firmware is different 8446 * for each band for a dual band capable radio. It will be tricky to 8447 * handle it when the ht capability different for each band. 8448 */ 8449 if (ht_cap & WMI_HT_CAP_DYNAMIC_SMPS || 8450 (ar->supports_6ghz && ab->hw_params.supports_dynamic_smps_6ghz)) 8451 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; 8452 8453 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; 8454 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; 8455 8456 ar->hw->max_listen_interval = ATH11K_MAX_HW_LISTEN_INTERVAL; 8457 8458 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 8459 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 8460 ar->hw->wiphy->max_remain_on_channel_duration = 5000; 8461 8462 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 8463 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 8464 NL80211_FEATURE_AP_SCAN; 8465 8466 ar->max_num_stations = TARGET_NUM_STATIONS(ab); 8467 ar->max_num_peers = TARGET_NUM_PEERS_PDEV(ab); 8468 8469 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; 8470 8471 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) { 8472 ar->hw->wiphy->features |= 8473 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 8474 } 8475 8476 ar->hw->queues = ATH11K_HW_MAX_QUEUES; 8477 ar->hw->wiphy->tx_queue_len = ATH11K_QUEUE_LEN; 8478 ar->hw->offchannel_tx_hw_queue = ATH11K_HW_MAX_QUEUES - 1; 8479 ar->hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE; 8480 8481 ar->hw->vif_data_size = sizeof(struct ath11k_vif); 8482 ar->hw->sta_data_size = sizeof(struct ath11k_sta); 8483 8484 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 8485 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_STA_TX_PWR); 8486 if (test_bit(WMI_TLV_SERVICE_BSS_COLOR_OFFLOAD, ar->ab->wmi_ab.svc_map)) 8487 wiphy_ext_feature_set(ar->hw->wiphy, 8488 NL80211_EXT_FEATURE_BSS_COLOR); 8489 8490 ar->hw->wiphy->cipher_suites = cipher_suites; 8491 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 8492 8493 ar->hw->wiphy->iftype_ext_capab = ath11k_iftypes_ext_capa; 8494 ar->hw->wiphy->num_iftype_ext_capab = 8495 ARRAY_SIZE(ath11k_iftypes_ext_capa); 8496 8497 if (ar->supports_6ghz) { 8498 wiphy_ext_feature_set(ar->hw->wiphy, 8499 NL80211_EXT_FEATURE_FILS_DISCOVERY); 8500 wiphy_ext_feature_set(ar->hw->wiphy, 8501 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP); 8502 } 8503 8504 ath11k_reg_init(ar); 8505 8506 if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) { 8507 ar->hw->netdev_features = NETIF_F_HW_CSUM; 8508 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); 8509 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); 8510 } 8511 8512 ret = ieee80211_register_hw(ar->hw); 8513 if (ret) { 8514 ath11k_err(ar->ab, "ieee80211 registration failed: %d\n", ret); 8515 goto err_free_if_combs; 8516 } 8517 8518 if (!ab->hw_params.supports_monitor) 8519 /* There's a race between calling ieee80211_register_hw() 8520 * and here where the monitor mode is enabled for a little 8521 * while. But that time is so short and in practise it make 8522 * a difference in real life. 8523 */ 8524 ar->hw->wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MONITOR); 8525 8526 /* Apply the regd received during initialization */ 8527 ret = ath11k_regd_update(ar); 8528 if (ret) { 8529 ath11k_err(ar->ab, "ath11k regd update failed: %d\n", ret); 8530 goto err_unregister_hw; 8531 } 8532 8533 ret = ath11k_debugfs_register(ar); 8534 if (ret) { 8535 ath11k_err(ar->ab, "debugfs registration failed: %d\n", ret); 8536 goto err_unregister_hw; 8537 } 8538 8539 return 0; 8540 8541 err_unregister_hw: 8542 ieee80211_unregister_hw(ar->hw); 8543 8544 err_free_if_combs: 8545 kfree(ar->hw->wiphy->iface_combinations[0].limits); 8546 kfree(ar->hw->wiphy->iface_combinations); 8547 8548 err_free_channels: 8549 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 8550 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 8551 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels); 8552 8553 err: 8554 SET_IEEE80211_DEV(ar->hw, NULL); 8555 return ret; 8556 } 8557 8558 int ath11k_mac_register(struct ath11k_base *ab) 8559 { 8560 struct ath11k *ar; 8561 struct ath11k_pdev *pdev; 8562 int i; 8563 int ret; 8564 8565 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) 8566 return 0; 8567 8568 /* Initialize channel counters frequency value in hertz */ 8569 ab->cc_freq_hz = IPQ8074_CC_FREQ_HERTZ; 8570 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS(ab))) - 1; 8571 8572 for (i = 0; i < ab->num_radios; i++) { 8573 pdev = &ab->pdevs[i]; 8574 ar = pdev->ar; 8575 if (ab->pdevs_macaddr_valid) { 8576 ether_addr_copy(ar->mac_addr, pdev->mac_addr); 8577 } else { 8578 ether_addr_copy(ar->mac_addr, ab->mac_addr); 8579 ar->mac_addr[4] += i; 8580 } 8581 8582 idr_init(&ar->txmgmt_idr); 8583 spin_lock_init(&ar->txmgmt_idr_lock); 8584 8585 ret = __ath11k_mac_register(ar); 8586 if (ret) 8587 goto err_cleanup; 8588 8589 init_waitqueue_head(&ar->txmgmt_empty_waitq); 8590 } 8591 8592 return 0; 8593 8594 err_cleanup: 8595 for (i = i - 1; i >= 0; i--) { 8596 pdev = &ab->pdevs[i]; 8597 ar = pdev->ar; 8598 __ath11k_mac_unregister(ar); 8599 } 8600 8601 return ret; 8602 } 8603 8604 int ath11k_mac_allocate(struct ath11k_base *ab) 8605 { 8606 struct ieee80211_hw *hw; 8607 struct ath11k *ar; 8608 struct ath11k_pdev *pdev; 8609 int ret; 8610 int i; 8611 8612 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) 8613 return 0; 8614 8615 for (i = 0; i < ab->num_radios; i++) { 8616 pdev = &ab->pdevs[i]; 8617 hw = ieee80211_alloc_hw(sizeof(struct ath11k), &ath11k_ops); 8618 if (!hw) { 8619 ath11k_warn(ab, "failed to allocate mac80211 hw device\n"); 8620 ret = -ENOMEM; 8621 goto err_free_mac; 8622 } 8623 8624 ar = hw->priv; 8625 ar->hw = hw; 8626 ar->ab = ab; 8627 ar->pdev = pdev; 8628 ar->pdev_idx = i; 8629 ar->lmac_id = ath11k_hw_get_mac_from_pdev_id(&ab->hw_params, i); 8630 8631 ar->wmi = &ab->wmi_ab.wmi[i]; 8632 /* FIXME wmi[0] is already initialized during attach, 8633 * Should we do this again? 8634 */ 8635 ath11k_wmi_pdev_attach(ab, i); 8636 8637 ar->cfg_tx_chainmask = pdev->cap.tx_chain_mask; 8638 ar->cfg_rx_chainmask = pdev->cap.rx_chain_mask; 8639 ar->num_tx_chains = get_num_chains(pdev->cap.tx_chain_mask); 8640 ar->num_rx_chains = get_num_chains(pdev->cap.rx_chain_mask); 8641 8642 pdev->ar = ar; 8643 spin_lock_init(&ar->data_lock); 8644 INIT_LIST_HEAD(&ar->arvifs); 8645 INIT_LIST_HEAD(&ar->ppdu_stats_info); 8646 mutex_init(&ar->conf_mutex); 8647 init_completion(&ar->vdev_setup_done); 8648 init_completion(&ar->vdev_delete_done); 8649 init_completion(&ar->peer_assoc_done); 8650 init_completion(&ar->peer_delete_done); 8651 init_completion(&ar->install_key_done); 8652 init_completion(&ar->bss_survey_done); 8653 init_completion(&ar->scan.started); 8654 init_completion(&ar->scan.completed); 8655 init_completion(&ar->thermal.wmi_sync); 8656 8657 INIT_DELAYED_WORK(&ar->scan.timeout, ath11k_scan_timeout_work); 8658 INIT_WORK(&ar->regd_update_work, ath11k_regd_update_work); 8659 8660 INIT_WORK(&ar->wmi_mgmt_tx_work, ath11k_mgmt_over_wmi_tx_work); 8661 skb_queue_head_init(&ar->wmi_mgmt_tx_queue); 8662 8663 clear_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags); 8664 8665 ar->monitor_vdev_id = -1; 8666 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags); 8667 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID; 8668 init_completion(&ar->finish_11d_scan); 8669 init_completion(&ar->finish_11d_ch_list); 8670 } 8671 8672 return 0; 8673 8674 err_free_mac: 8675 ath11k_mac_destroy(ab); 8676 8677 return ret; 8678 } 8679 8680 void ath11k_mac_destroy(struct ath11k_base *ab) 8681 { 8682 struct ath11k *ar; 8683 struct ath11k_pdev *pdev; 8684 int i; 8685 8686 for (i = 0; i < ab->num_radios; i++) { 8687 pdev = &ab->pdevs[i]; 8688 ar = pdev->ar; 8689 if (!ar) 8690 continue; 8691 8692 ieee80211_free_hw(ar->hw); 8693 pdev->ar = NULL; 8694 } 8695 } 8696