1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (c) 2005-2011 Atheros Communications Inc. 4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. 5 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. 6 */ 7 8 #include "mac.h" 9 10 #include <net/cfg80211.h> 11 #include <net/mac80211.h> 12 #include <linux/etherdevice.h> 13 #include <linux/acpi.h> 14 #include <linux/of.h> 15 #include <linux/bitfield.h> 16 17 #include "hif.h" 18 #include "core.h" 19 #include "debug.h" 20 #include "wmi.h" 21 #include "htt.h" 22 #include "txrx.h" 23 #include "testmode.h" 24 #include "wmi-tlv.h" 25 #include "wmi-ops.h" 26 #include "wow.h" 27 28 /*********/ 29 /* Rates */ 30 /*********/ 31 32 static struct ieee80211_rate ath10k_rates[] = { 33 { .bitrate = 10, 34 .hw_value = ATH10K_HW_RATE_CCK_LP_1M }, 35 { .bitrate = 20, 36 .hw_value = ATH10K_HW_RATE_CCK_LP_2M, 37 .hw_value_short = ATH10K_HW_RATE_CCK_SP_2M, 38 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 39 { .bitrate = 55, 40 .hw_value = ATH10K_HW_RATE_CCK_LP_5_5M, 41 .hw_value_short = ATH10K_HW_RATE_CCK_SP_5_5M, 42 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 43 { .bitrate = 110, 44 .hw_value = ATH10K_HW_RATE_CCK_LP_11M, 45 .hw_value_short = ATH10K_HW_RATE_CCK_SP_11M, 46 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 47 48 { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M }, 49 { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M }, 50 { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M }, 51 { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M }, 52 { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M }, 53 { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M }, 54 { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M }, 55 { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M }, 56 }; 57 58 static struct ieee80211_rate ath10k_rates_rev2[] = { 59 { .bitrate = 10, 60 .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_1M }, 61 { .bitrate = 20, 62 .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_2M, 63 .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_2M, 64 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 65 { .bitrate = 55, 66 .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_5_5M, 67 .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_5_5M, 68 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 69 { .bitrate = 110, 70 .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_11M, 71 .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_11M, 72 .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 73 74 { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M }, 75 { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M }, 76 { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M }, 77 { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M }, 78 { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M }, 79 { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M }, 80 { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M }, 81 { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M }, 82 }; 83 84 static const struct cfg80211_sar_freq_ranges ath10k_sar_freq_ranges[] = { 85 {.start_freq = 2402, .end_freq = 2494 }, 86 {.start_freq = 5170, .end_freq = 5875 }, 87 }; 88 89 static const struct cfg80211_sar_capa ath10k_sar_capa = { 90 .type = NL80211_SAR_TYPE_POWER, 91 .num_freq_ranges = (ARRAY_SIZE(ath10k_sar_freq_ranges)), 92 .freq_ranges = &ath10k_sar_freq_ranges[0], 93 }; 94 95 #define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4 96 97 #define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX) 98 #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \ 99 ATH10K_MAC_FIRST_OFDM_RATE_IDX) 100 #define ath10k_g_rates (ath10k_rates + 0) 101 #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates)) 102 103 #define ath10k_g_rates_rev2 (ath10k_rates_rev2 + 0) 104 #define ath10k_g_rates_rev2_size (ARRAY_SIZE(ath10k_rates_rev2)) 105 106 #define ath10k_wmi_legacy_rates ath10k_rates 107 108 static bool ath10k_mac_bitrate_is_cck(int bitrate) 109 { 110 switch (bitrate) { 111 case 10: 112 case 20: 113 case 55: 114 case 110: 115 return true; 116 } 117 118 return false; 119 } 120 121 static u8 ath10k_mac_bitrate_to_rate(int bitrate) 122 { 123 return DIV_ROUND_UP(bitrate, 5) | 124 (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0); 125 } 126 127 u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband, 128 u8 hw_rate, bool cck) 129 { 130 const struct ieee80211_rate *rate; 131 int i; 132 133 for (i = 0; i < sband->n_bitrates; i++) { 134 rate = &sband->bitrates[i]; 135 136 if (ath10k_mac_bitrate_is_cck(rate->bitrate) != cck) 137 continue; 138 139 if (rate->hw_value == hw_rate) 140 return i; 141 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE && 142 rate->hw_value_short == hw_rate) 143 return i; 144 } 145 146 return 0; 147 } 148 149 u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband, 150 u32 bitrate) 151 { 152 int i; 153 154 for (i = 0; i < sband->n_bitrates; i++) 155 if (sband->bitrates[i].bitrate == bitrate) 156 return i; 157 158 return 0; 159 } 160 161 static int ath10k_mac_get_rate_hw_value(int bitrate) 162 { 163 int i; 164 u8 hw_value_prefix = 0; 165 166 if (ath10k_mac_bitrate_is_cck(bitrate)) 167 hw_value_prefix = WMI_RATE_PREAMBLE_CCK << 6; 168 169 for (i = 0; i < ARRAY_SIZE(ath10k_rates); i++) { 170 if (ath10k_rates[i].bitrate == bitrate) 171 return hw_value_prefix | ath10k_rates[i].hw_value; 172 } 173 174 return -EINVAL; 175 } 176 177 static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss) 178 { 179 switch ((mcs_map >> (2 * nss)) & 0x3) { 180 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1; 181 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1; 182 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1; 183 } 184 return 0; 185 } 186 187 static u32 188 ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) 189 { 190 int nss; 191 192 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--) 193 if (ht_mcs_mask[nss]) 194 return nss + 1; 195 196 return 1; 197 } 198 199 static u32 200 ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) 201 { 202 int nss; 203 204 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--) 205 if (vht_mcs_mask[nss]) 206 return nss + 1; 207 208 return 1; 209 } 210 211 int ath10k_mac_ext_resource_config(struct ath10k *ar, u32 val) 212 { 213 enum wmi_host_platform_type platform_type; 214 int ret; 215 216 if (test_bit(WMI_SERVICE_TX_MODE_DYNAMIC, ar->wmi.svc_map)) 217 platform_type = WMI_HOST_PLATFORM_LOW_PERF; 218 else 219 platform_type = WMI_HOST_PLATFORM_HIGH_PERF; 220 221 ret = ath10k_wmi_ext_resource_config(ar, platform_type, val); 222 223 if (ret && ret != -EOPNOTSUPP) { 224 ath10k_warn(ar, "failed to configure ext resource: %d\n", ret); 225 return ret; 226 } 227 228 return 0; 229 } 230 231 /**********/ 232 /* Crypto */ 233 /**********/ 234 235 static int ath10k_send_key(struct ath10k_vif *arvif, 236 struct ieee80211_key_conf *key, 237 enum set_key_cmd cmd, 238 const u8 *macaddr, u32 flags) 239 { 240 struct ath10k *ar = arvif->ar; 241 struct wmi_vdev_install_key_arg arg = { 242 .vdev_id = arvif->vdev_id, 243 .key_idx = key->keyidx, 244 .key_len = key->keylen, 245 .key_data = key->key, 246 .key_flags = flags, 247 .macaddr = macaddr, 248 }; 249 250 lockdep_assert_held(&arvif->ar->conf_mutex); 251 252 switch (key->cipher) { 253 case WLAN_CIPHER_SUITE_CCMP: 254 arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_AES_CCM]; 255 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; 256 break; 257 case WLAN_CIPHER_SUITE_TKIP: 258 arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_TKIP]; 259 arg.key_txmic_len = 8; 260 arg.key_rxmic_len = 8; 261 break; 262 case WLAN_CIPHER_SUITE_WEP40: 263 case WLAN_CIPHER_SUITE_WEP104: 264 arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_WEP]; 265 break; 266 case WLAN_CIPHER_SUITE_CCMP_256: 267 arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_AES_CCM]; 268 break; 269 case WLAN_CIPHER_SUITE_GCMP: 270 case WLAN_CIPHER_SUITE_GCMP_256: 271 arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_AES_GCM]; 272 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; 273 break; 274 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 275 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 276 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 277 case WLAN_CIPHER_SUITE_AES_CMAC: 278 WARN_ON(1); 279 return -EINVAL; 280 default: 281 ath10k_warn(ar, "cipher %d is not supported\n", key->cipher); 282 return -EOPNOTSUPP; 283 } 284 285 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) 286 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 287 288 if (cmd == DISABLE_KEY) { 289 arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_NONE]; 290 arg.key_data = NULL; 291 } 292 293 return ath10k_wmi_vdev_install_key(arvif->ar, &arg); 294 } 295 296 static int ath10k_install_key(struct ath10k_vif *arvif, 297 struct ieee80211_key_conf *key, 298 enum set_key_cmd cmd, 299 const u8 *macaddr, u32 flags) 300 { 301 struct ath10k *ar = arvif->ar; 302 int ret; 303 unsigned long time_left; 304 305 lockdep_assert_held(&ar->conf_mutex); 306 307 reinit_completion(&ar->install_key_done); 308 309 if (arvif->nohwcrypt) 310 return 1; 311 312 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags); 313 if (ret) 314 return ret; 315 316 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ); 317 if (time_left == 0) 318 return -ETIMEDOUT; 319 320 return 0; 321 } 322 323 static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, 324 const u8 *addr) 325 { 326 struct ath10k *ar = arvif->ar; 327 struct ath10k_peer *peer; 328 int ret; 329 int i; 330 u32 flags; 331 332 lockdep_assert_held(&ar->conf_mutex); 333 334 if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP && 335 arvif->vif->type != NL80211_IFTYPE_ADHOC && 336 arvif->vif->type != NL80211_IFTYPE_MESH_POINT)) 337 return -EINVAL; 338 339 spin_lock_bh(&ar->data_lock); 340 peer = ath10k_peer_find(ar, arvif->vdev_id, addr); 341 spin_unlock_bh(&ar->data_lock); 342 343 if (!peer) 344 return -ENOENT; 345 346 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { 347 if (arvif->wep_keys[i] == NULL) 348 continue; 349 350 switch (arvif->vif->type) { 351 case NL80211_IFTYPE_AP: 352 flags = WMI_KEY_PAIRWISE; 353 354 if (arvif->def_wep_key_idx == i) 355 flags |= WMI_KEY_TX_USAGE; 356 357 ret = ath10k_install_key(arvif, arvif->wep_keys[i], 358 SET_KEY, addr, flags); 359 if (ret < 0) 360 return ret; 361 break; 362 case NL80211_IFTYPE_ADHOC: 363 ret = ath10k_install_key(arvif, arvif->wep_keys[i], 364 SET_KEY, addr, 365 WMI_KEY_PAIRWISE); 366 if (ret < 0) 367 return ret; 368 369 ret = ath10k_install_key(arvif, arvif->wep_keys[i], 370 SET_KEY, addr, WMI_KEY_GROUP); 371 if (ret < 0) 372 return ret; 373 break; 374 default: 375 WARN_ON(1); 376 return -EINVAL; 377 } 378 379 spin_lock_bh(&ar->data_lock); 380 peer->keys[i] = arvif->wep_keys[i]; 381 spin_unlock_bh(&ar->data_lock); 382 } 383 384 /* In some cases (notably with static WEP IBSS with multiple keys) 385 * multicast Tx becomes broken. Both pairwise and groupwise keys are 386 * installed already. Using WMI_KEY_TX_USAGE in different combinations 387 * didn't seem help. Using def_keyid vdev parameter seems to be 388 * effective so use that. 389 * 390 * FIXME: Revisit. Perhaps this can be done in a less hacky way. 391 */ 392 if (arvif->vif->type != NL80211_IFTYPE_ADHOC) 393 return 0; 394 395 if (arvif->def_wep_key_idx == -1) 396 return 0; 397 398 ret = ath10k_wmi_vdev_set_param(arvif->ar, 399 arvif->vdev_id, 400 arvif->ar->wmi.vdev_param->def_keyid, 401 arvif->def_wep_key_idx); 402 if (ret) { 403 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n", 404 arvif->vdev_id, ret); 405 return ret; 406 } 407 408 return 0; 409 } 410 411 static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, 412 const u8 *addr) 413 { 414 struct ath10k *ar = arvif->ar; 415 struct ath10k_peer *peer; 416 int first_errno = 0; 417 int ret; 418 int i; 419 u32 flags = 0; 420 421 lockdep_assert_held(&ar->conf_mutex); 422 423 spin_lock_bh(&ar->data_lock); 424 peer = ath10k_peer_find(ar, arvif->vdev_id, addr); 425 spin_unlock_bh(&ar->data_lock); 426 427 if (!peer) 428 return -ENOENT; 429 430 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { 431 if (peer->keys[i] == NULL) 432 continue; 433 434 /* key flags are not required to delete the key */ 435 ret = ath10k_install_key(arvif, peer->keys[i], 436 DISABLE_KEY, addr, flags); 437 if (ret < 0 && first_errno == 0) 438 first_errno = ret; 439 440 if (ret < 0) 441 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n", 442 i, ret); 443 444 spin_lock_bh(&ar->data_lock); 445 peer->keys[i] = NULL; 446 spin_unlock_bh(&ar->data_lock); 447 } 448 449 return first_errno; 450 } 451 452 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr, 453 u8 keyidx) 454 { 455 struct ath10k_peer *peer; 456 int i; 457 458 lockdep_assert_held(&ar->data_lock); 459 460 /* We don't know which vdev this peer belongs to, 461 * since WMI doesn't give us that information. 462 * 463 * FIXME: multi-bss needs to be handled. 464 */ 465 peer = ath10k_peer_find(ar, 0, addr); 466 if (!peer) 467 return false; 468 469 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { 470 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx) 471 return true; 472 } 473 474 return false; 475 } 476 477 static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, 478 struct ieee80211_key_conf *key) 479 { 480 struct ath10k *ar = arvif->ar; 481 struct ath10k_peer *peer; 482 u8 addr[ETH_ALEN]; 483 int first_errno = 0; 484 int ret; 485 int i; 486 u32 flags = 0; 487 488 lockdep_assert_held(&ar->conf_mutex); 489 490 for (;;) { 491 /* since ath10k_install_key we can't hold data_lock all the 492 * time, so we try to remove the keys incrementally 493 */ 494 spin_lock_bh(&ar->data_lock); 495 i = 0; 496 list_for_each_entry(peer, &ar->peers, list) { 497 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { 498 if (peer->keys[i] == key) { 499 ether_addr_copy(addr, peer->addr); 500 peer->keys[i] = NULL; 501 break; 502 } 503 } 504 505 if (i < ARRAY_SIZE(peer->keys)) 506 break; 507 } 508 spin_unlock_bh(&ar->data_lock); 509 510 if (i == ARRAY_SIZE(peer->keys)) 511 break; 512 /* key flags are not required to delete the key */ 513 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags); 514 if (ret < 0 && first_errno == 0) 515 first_errno = ret; 516 517 if (ret) 518 ath10k_warn(ar, "failed to remove key for %pM: %d\n", 519 addr, ret); 520 } 521 522 return first_errno; 523 } 524 525 static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif, 526 struct ieee80211_key_conf *key) 527 { 528 struct ath10k *ar = arvif->ar; 529 struct ath10k_peer *peer; 530 int ret; 531 532 lockdep_assert_held(&ar->conf_mutex); 533 534 list_for_each_entry(peer, &ar->peers, list) { 535 if (ether_addr_equal(peer->addr, arvif->vif->addr)) 536 continue; 537 538 if (ether_addr_equal(peer->addr, arvif->bssid)) 539 continue; 540 541 if (peer->keys[key->keyidx] == key) 542 continue; 543 544 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n", 545 arvif->vdev_id, key->keyidx); 546 547 ret = ath10k_install_peer_wep_keys(arvif, peer->addr); 548 if (ret) { 549 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n", 550 arvif->vdev_id, peer->addr, ret); 551 return ret; 552 } 553 } 554 555 return 0; 556 } 557 558 /*********************/ 559 /* General utilities */ 560 /*********************/ 561 562 static inline enum wmi_phy_mode 563 chan_to_phymode(const struct cfg80211_chan_def *chandef) 564 { 565 enum wmi_phy_mode phymode = MODE_UNKNOWN; 566 567 switch (chandef->chan->band) { 568 case NL80211_BAND_2GHZ: 569 switch (chandef->width) { 570 case NL80211_CHAN_WIDTH_20_NOHT: 571 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM) 572 phymode = MODE_11B; 573 else 574 phymode = MODE_11G; 575 break; 576 case NL80211_CHAN_WIDTH_20: 577 phymode = MODE_11NG_HT20; 578 break; 579 case NL80211_CHAN_WIDTH_40: 580 phymode = MODE_11NG_HT40; 581 break; 582 default: 583 phymode = MODE_UNKNOWN; 584 break; 585 } 586 break; 587 case NL80211_BAND_5GHZ: 588 switch (chandef->width) { 589 case NL80211_CHAN_WIDTH_20_NOHT: 590 phymode = MODE_11A; 591 break; 592 case NL80211_CHAN_WIDTH_20: 593 phymode = MODE_11NA_HT20; 594 break; 595 case NL80211_CHAN_WIDTH_40: 596 phymode = MODE_11NA_HT40; 597 break; 598 case NL80211_CHAN_WIDTH_80: 599 phymode = MODE_11AC_VHT80; 600 break; 601 case NL80211_CHAN_WIDTH_160: 602 phymode = MODE_11AC_VHT160; 603 break; 604 case NL80211_CHAN_WIDTH_80P80: 605 phymode = MODE_11AC_VHT80_80; 606 break; 607 default: 608 phymode = MODE_UNKNOWN; 609 break; 610 } 611 break; 612 default: 613 break; 614 } 615 616 WARN_ON(phymode == MODE_UNKNOWN); 617 return phymode; 618 } 619 620 static u8 ath10k_parse_mpdudensity(u8 mpdudensity) 621 { 622 /* 623 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": 624 * 0 for no restriction 625 * 1 for 1/4 us 626 * 2 for 1/2 us 627 * 3 for 1 us 628 * 4 for 2 us 629 * 5 for 4 us 630 * 6 for 8 us 631 * 7 for 16 us 632 */ 633 switch (mpdudensity) { 634 case 0: 635 return 0; 636 case 1: 637 case 2: 638 case 3: 639 /* Our lower layer calculations limit our precision to 640 * 1 microsecond 641 */ 642 return 1; 643 case 4: 644 return 2; 645 case 5: 646 return 4; 647 case 6: 648 return 8; 649 case 7: 650 return 16; 651 default: 652 return 0; 653 } 654 } 655 656 int ath10k_mac_vif_chan(struct ieee80211_vif *vif, 657 struct cfg80211_chan_def *def) 658 { 659 struct ieee80211_chanctx_conf *conf; 660 661 rcu_read_lock(); 662 conf = rcu_dereference(vif->bss_conf.chanctx_conf); 663 if (!conf) { 664 rcu_read_unlock(); 665 return -ENOENT; 666 } 667 668 *def = conf->def; 669 rcu_read_unlock(); 670 671 return 0; 672 } 673 674 static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw, 675 struct ieee80211_chanctx_conf *conf, 676 void *data) 677 { 678 int *num = data; 679 680 (*num)++; 681 } 682 683 static int ath10k_mac_num_chanctxs(struct ath10k *ar) 684 { 685 int num = 0; 686 687 ieee80211_iter_chan_contexts_atomic(ar->hw, 688 ath10k_mac_num_chanctxs_iter, 689 &num); 690 691 return num; 692 } 693 694 static void 695 ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw, 696 struct ieee80211_chanctx_conf *conf, 697 void *data) 698 { 699 struct cfg80211_chan_def **def = data; 700 701 *def = &conf->def; 702 } 703 704 static void ath10k_wait_for_peer_delete_done(struct ath10k *ar, u32 vdev_id, 705 const u8 *addr) 706 { 707 unsigned long time_left; 708 int ret; 709 710 if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) { 711 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); 712 if (ret) { 713 ath10k_warn(ar, "failed wait for peer deleted"); 714 return; 715 } 716 717 time_left = wait_for_completion_timeout(&ar->peer_delete_done, 718 5 * HZ); 719 if (!time_left) 720 ath10k_warn(ar, "Timeout in receiving peer delete response\n"); 721 } 722 } 723 724 static int ath10k_peer_create(struct ath10k *ar, 725 struct ieee80211_vif *vif, 726 struct ieee80211_sta *sta, 727 u32 vdev_id, 728 const u8 *addr, 729 enum wmi_peer_type peer_type) 730 { 731 struct ath10k_vif *arvif; 732 struct ath10k_peer *peer; 733 int num_peers = 0; 734 int ret; 735 736 lockdep_assert_held(&ar->conf_mutex); 737 738 num_peers = ar->num_peers; 739 740 /* Each vdev consumes a peer entry as well */ 741 list_for_each_entry(arvif, &ar->arvifs, list) 742 num_peers++; 743 744 if (num_peers >= ar->max_num_peers) 745 return -ENOBUFS; 746 747 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type); 748 if (ret) { 749 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n", 750 addr, vdev_id, ret); 751 return ret; 752 } 753 754 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr); 755 if (ret) { 756 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n", 757 addr, vdev_id, ret); 758 return ret; 759 } 760 761 spin_lock_bh(&ar->data_lock); 762 763 peer = ath10k_peer_find(ar, vdev_id, addr); 764 if (!peer) { 765 spin_unlock_bh(&ar->data_lock); 766 ath10k_warn(ar, "failed to find peer %pM on vdev %i after creation\n", 767 addr, vdev_id); 768 ath10k_wait_for_peer_delete_done(ar, vdev_id, addr); 769 return -ENOENT; 770 } 771 772 peer->vif = vif; 773 peer->sta = sta; 774 775 spin_unlock_bh(&ar->data_lock); 776 777 ar->num_peers++; 778 779 return 0; 780 } 781 782 static int ath10k_mac_set_kickout(struct ath10k_vif *arvif) 783 { 784 struct ath10k *ar = arvif->ar; 785 u32 param; 786 int ret; 787 788 param = ar->wmi.pdev_param->sta_kickout_th; 789 ret = ath10k_wmi_pdev_set_param(ar, param, 790 ATH10K_KICKOUT_THRESHOLD); 791 if (ret) { 792 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n", 793 arvif->vdev_id, ret); 794 return ret; 795 } 796 797 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs; 798 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, 799 ATH10K_KEEPALIVE_MIN_IDLE); 800 if (ret) { 801 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n", 802 arvif->vdev_id, ret); 803 return ret; 804 } 805 806 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs; 807 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, 808 ATH10K_KEEPALIVE_MAX_IDLE); 809 if (ret) { 810 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n", 811 arvif->vdev_id, ret); 812 return ret; 813 } 814 815 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs; 816 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, 817 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE); 818 if (ret) { 819 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", 820 arvif->vdev_id, ret); 821 return ret; 822 } 823 824 return 0; 825 } 826 827 static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value) 828 { 829 struct ath10k *ar = arvif->ar; 830 u32 vdev_param; 831 832 vdev_param = ar->wmi.vdev_param->rts_threshold; 833 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); 834 } 835 836 static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) 837 { 838 int ret; 839 840 lockdep_assert_held(&ar->conf_mutex); 841 842 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr); 843 if (ret) 844 return ret; 845 846 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); 847 if (ret) 848 return ret; 849 850 if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) { 851 unsigned long time_left; 852 853 time_left = wait_for_completion_timeout 854 (&ar->peer_delete_done, 5 * HZ); 855 856 if (!time_left) { 857 ath10k_warn(ar, "Timeout in receiving peer delete response\n"); 858 return -ETIMEDOUT; 859 } 860 } 861 862 ar->num_peers--; 863 864 return 0; 865 } 866 867 static void ath10k_peer_map_cleanup(struct ath10k *ar, struct ath10k_peer *peer) 868 { 869 int peer_id, i; 870 871 lockdep_assert_held(&ar->conf_mutex); 872 873 for_each_set_bit(peer_id, peer->peer_ids, 874 ATH10K_MAX_NUM_PEER_IDS) { 875 ar->peer_map[peer_id] = NULL; 876 } 877 878 /* Double check that peer is properly un-referenced from 879 * the peer_map 880 */ 881 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { 882 if (ar->peer_map[i] == peer) { 883 ath10k_warn(ar, "removing stale peer_map entry for %pM (ptr %pK idx %d)\n", 884 peer->addr, peer, i); 885 ar->peer_map[i] = NULL; 886 } 887 } 888 889 list_del(&peer->list); 890 kfree(peer); 891 ar->num_peers--; 892 } 893 894 static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) 895 { 896 struct ath10k_peer *peer, *tmp; 897 898 lockdep_assert_held(&ar->conf_mutex); 899 900 spin_lock_bh(&ar->data_lock); 901 list_for_each_entry_safe(peer, tmp, &ar->peers, list) { 902 if (peer->vdev_id != vdev_id) 903 continue; 904 905 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n", 906 peer->addr, vdev_id); 907 908 ath10k_peer_map_cleanup(ar, peer); 909 } 910 spin_unlock_bh(&ar->data_lock); 911 } 912 913 static void ath10k_peer_cleanup_all(struct ath10k *ar) 914 { 915 struct ath10k_peer *peer, *tmp; 916 int i; 917 918 lockdep_assert_held(&ar->conf_mutex); 919 920 spin_lock_bh(&ar->data_lock); 921 list_for_each_entry_safe(peer, tmp, &ar->peers, list) { 922 list_del(&peer->list); 923 kfree(peer); 924 } 925 926 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) 927 ar->peer_map[i] = NULL; 928 929 spin_unlock_bh(&ar->data_lock); 930 931 ar->num_peers = 0; 932 ar->num_stations = 0; 933 } 934 935 static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id, 936 struct ieee80211_sta *sta, 937 enum wmi_tdls_peer_state state) 938 { 939 int ret; 940 struct wmi_tdls_peer_update_cmd_arg arg = {}; 941 struct wmi_tdls_peer_capab_arg cap = {}; 942 struct wmi_channel_arg chan_arg = {}; 943 944 lockdep_assert_held(&ar->conf_mutex); 945 946 arg.vdev_id = vdev_id; 947 arg.peer_state = state; 948 ether_addr_copy(arg.addr, sta->addr); 949 950 cap.peer_max_sp = sta->max_sp; 951 cap.peer_uapsd_queues = sta->uapsd_queues; 952 953 if (state == WMI_TDLS_PEER_STATE_CONNECTED && 954 !sta->tdls_initiator) 955 cap.is_peer_responder = 1; 956 957 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg); 958 if (ret) { 959 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n", 960 arg.addr, vdev_id, ret); 961 return ret; 962 } 963 964 return 0; 965 } 966 967 /************************/ 968 /* Interface management */ 969 /************************/ 970 971 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif) 972 { 973 struct ath10k *ar = arvif->ar; 974 975 lockdep_assert_held(&ar->data_lock); 976 977 if (!arvif->beacon) 978 return; 979 980 if (!arvif->beacon_buf) 981 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr, 982 arvif->beacon->len, DMA_TO_DEVICE); 983 984 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED && 985 arvif->beacon_state != ATH10K_BEACON_SENT)) 986 return; 987 988 dev_kfree_skb_any(arvif->beacon); 989 990 arvif->beacon = NULL; 991 arvif->beacon_state = ATH10K_BEACON_SCHEDULED; 992 } 993 994 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif) 995 { 996 struct ath10k *ar = arvif->ar; 997 998 lockdep_assert_held(&ar->data_lock); 999 1000 ath10k_mac_vif_beacon_free(arvif); 1001 1002 if (arvif->beacon_buf) { 1003 if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) 1004 kfree(arvif->beacon_buf); 1005 else 1006 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, 1007 arvif->beacon_buf, 1008 arvif->beacon_paddr); 1009 arvif->beacon_buf = NULL; 1010 } 1011 } 1012 1013 static inline int ath10k_vdev_setup_sync(struct ath10k *ar) 1014 { 1015 unsigned long time_left; 1016 1017 lockdep_assert_held(&ar->conf_mutex); 1018 1019 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) 1020 return -ESHUTDOWN; 1021 1022 time_left = wait_for_completion_timeout(&ar->vdev_setup_done, 1023 ATH10K_VDEV_SETUP_TIMEOUT_HZ); 1024 if (time_left == 0) 1025 return -ETIMEDOUT; 1026 1027 return ar->last_wmi_vdev_start_status; 1028 } 1029 1030 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) 1031 { 1032 struct cfg80211_chan_def *chandef = NULL; 1033 struct ieee80211_channel *channel = NULL; 1034 struct wmi_vdev_start_request_arg arg = {}; 1035 int ret = 0; 1036 1037 lockdep_assert_held(&ar->conf_mutex); 1038 1039 ieee80211_iter_chan_contexts_atomic(ar->hw, 1040 ath10k_mac_get_any_chandef_iter, 1041 &chandef); 1042 if (WARN_ON_ONCE(!chandef)) 1043 return -ENOENT; 1044 1045 channel = chandef->chan; 1046 1047 arg.vdev_id = vdev_id; 1048 arg.channel.freq = channel->center_freq; 1049 arg.channel.band_center_freq1 = chandef->center_freq1; 1050 arg.channel.band_center_freq2 = chandef->center_freq2; 1051 1052 /* TODO setup this dynamically, what in case we 1053 * don't have any vifs? 1054 */ 1055 arg.channel.mode = chan_to_phymode(chandef); 1056 arg.channel.chan_radar = 1057 !!(channel->flags & IEEE80211_CHAN_RADAR); 1058 1059 arg.channel.min_power = 0; 1060 arg.channel.max_power = channel->max_power * 2; 1061 arg.channel.max_reg_power = channel->max_reg_power * 2; 1062 arg.channel.max_antenna_gain = channel->max_antenna_gain; 1063 1064 reinit_completion(&ar->vdev_setup_done); 1065 reinit_completion(&ar->vdev_delete_done); 1066 1067 ret = ath10k_wmi_vdev_start(ar, &arg); 1068 if (ret) { 1069 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n", 1070 vdev_id, ret); 1071 return ret; 1072 } 1073 1074 ret = ath10k_vdev_setup_sync(ar); 1075 if (ret) { 1076 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n", 1077 vdev_id, ret); 1078 return ret; 1079 } 1080 1081 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); 1082 if (ret) { 1083 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n", 1084 vdev_id, ret); 1085 goto vdev_stop; 1086 } 1087 1088 ar->monitor_vdev_id = vdev_id; 1089 1090 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n", 1091 ar->monitor_vdev_id); 1092 return 0; 1093 1094 vdev_stop: 1095 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); 1096 if (ret) 1097 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n", 1098 ar->monitor_vdev_id, ret); 1099 1100 return ret; 1101 } 1102 1103 static int ath10k_monitor_vdev_stop(struct ath10k *ar) 1104 { 1105 int ret = 0; 1106 1107 lockdep_assert_held(&ar->conf_mutex); 1108 1109 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id); 1110 if (ret) 1111 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n", 1112 ar->monitor_vdev_id, ret); 1113 1114 reinit_completion(&ar->vdev_setup_done); 1115 reinit_completion(&ar->vdev_delete_done); 1116 1117 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); 1118 if (ret) 1119 ath10k_warn(ar, "failed to request monitor vdev %i stop: %d\n", 1120 ar->monitor_vdev_id, ret); 1121 1122 ret = ath10k_vdev_setup_sync(ar); 1123 if (ret) 1124 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n", 1125 ar->monitor_vdev_id, ret); 1126 1127 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n", 1128 ar->monitor_vdev_id); 1129 return ret; 1130 } 1131 1132 static int ath10k_monitor_vdev_create(struct ath10k *ar) 1133 { 1134 int bit, ret = 0; 1135 1136 lockdep_assert_held(&ar->conf_mutex); 1137 1138 if (ar->free_vdev_map == 0) { 1139 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n"); 1140 return -ENOMEM; 1141 } 1142 1143 bit = __ffs64(ar->free_vdev_map); 1144 1145 ar->monitor_vdev_id = bit; 1146 1147 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, 1148 WMI_VDEV_TYPE_MONITOR, 1149 0, ar->mac_addr); 1150 if (ret) { 1151 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n", 1152 ar->monitor_vdev_id, ret); 1153 return ret; 1154 } 1155 1156 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); 1157 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n", 1158 ar->monitor_vdev_id); 1159 1160 return 0; 1161 } 1162 1163 static int ath10k_monitor_vdev_delete(struct ath10k *ar) 1164 { 1165 int ret = 0; 1166 1167 lockdep_assert_held(&ar->conf_mutex); 1168 1169 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id); 1170 if (ret) { 1171 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n", 1172 ar->monitor_vdev_id, ret); 1173 return ret; 1174 } 1175 1176 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id; 1177 1178 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n", 1179 ar->monitor_vdev_id); 1180 return ret; 1181 } 1182 1183 static int ath10k_monitor_start(struct ath10k *ar) 1184 { 1185 int ret; 1186 1187 lockdep_assert_held(&ar->conf_mutex); 1188 1189 ret = ath10k_monitor_vdev_create(ar); 1190 if (ret) { 1191 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret); 1192 return ret; 1193 } 1194 1195 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id); 1196 if (ret) { 1197 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret); 1198 ath10k_monitor_vdev_delete(ar); 1199 return ret; 1200 } 1201 1202 ar->monitor_started = true; 1203 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n"); 1204 1205 return 0; 1206 } 1207 1208 static int ath10k_monitor_stop(struct ath10k *ar) 1209 { 1210 int ret; 1211 1212 lockdep_assert_held(&ar->conf_mutex); 1213 1214 ret = ath10k_monitor_vdev_stop(ar); 1215 if (ret) { 1216 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret); 1217 return ret; 1218 } 1219 1220 ret = ath10k_monitor_vdev_delete(ar); 1221 if (ret) { 1222 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret); 1223 return ret; 1224 } 1225 1226 ar->monitor_started = false; 1227 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n"); 1228 1229 return 0; 1230 } 1231 1232 static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar) 1233 { 1234 int num_ctx; 1235 1236 /* At least one chanctx is required to derive a channel to start 1237 * monitor vdev on. 1238 */ 1239 num_ctx = ath10k_mac_num_chanctxs(ar); 1240 if (num_ctx == 0) 1241 return false; 1242 1243 /* If there's already an existing special monitor interface then don't 1244 * bother creating another monitor vdev. 1245 */ 1246 if (ar->monitor_arvif) 1247 return false; 1248 1249 return ar->monitor || 1250 (!test_bit(ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST, 1251 ar->running_fw->fw_file.fw_features) && 1252 (ar->filter_flags & FIF_OTHER_BSS)) || 1253 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); 1254 } 1255 1256 static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar) 1257 { 1258 int num_ctx; 1259 1260 num_ctx = ath10k_mac_num_chanctxs(ar); 1261 1262 /* FIXME: Current interface combinations and cfg80211/mac80211 code 1263 * shouldn't allow this but make sure to prevent handling the following 1264 * case anyway since multi-channel DFS hasn't been tested at all. 1265 */ 1266 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1) 1267 return false; 1268 1269 return true; 1270 } 1271 1272 static int ath10k_monitor_recalc(struct ath10k *ar) 1273 { 1274 bool needed; 1275 bool allowed; 1276 int ret; 1277 1278 lockdep_assert_held(&ar->conf_mutex); 1279 1280 needed = ath10k_mac_monitor_vdev_is_needed(ar); 1281 allowed = ath10k_mac_monitor_vdev_is_allowed(ar); 1282 1283 ath10k_dbg(ar, ATH10K_DBG_MAC, 1284 "mac monitor recalc started? %d needed? %d allowed? %d\n", 1285 ar->monitor_started, needed, allowed); 1286 1287 if (WARN_ON(needed && !allowed)) { 1288 if (ar->monitor_started) { 1289 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n"); 1290 1291 ret = ath10k_monitor_stop(ar); 1292 if (ret) 1293 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n", 1294 ret); 1295 /* not serious */ 1296 } 1297 1298 return -EPERM; 1299 } 1300 1301 if (needed == ar->monitor_started) 1302 return 0; 1303 1304 if (needed) 1305 return ath10k_monitor_start(ar); 1306 else 1307 return ath10k_monitor_stop(ar); 1308 } 1309 1310 static bool ath10k_mac_can_set_cts_prot(struct ath10k_vif *arvif) 1311 { 1312 struct ath10k *ar = arvif->ar; 1313 1314 lockdep_assert_held(&ar->conf_mutex); 1315 1316 if (!arvif->is_started) { 1317 ath10k_dbg(ar, ATH10K_DBG_MAC, "defer cts setup, vdev is not ready yet\n"); 1318 return false; 1319 } 1320 1321 return true; 1322 } 1323 1324 static int ath10k_mac_set_cts_prot(struct ath10k_vif *arvif) 1325 { 1326 struct ath10k *ar = arvif->ar; 1327 u32 vdev_param; 1328 1329 lockdep_assert_held(&ar->conf_mutex); 1330 1331 vdev_param = ar->wmi.vdev_param->protection_mode; 1332 1333 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_protection %d\n", 1334 arvif->vdev_id, arvif->use_cts_prot); 1335 1336 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 1337 arvif->use_cts_prot ? 1 : 0); 1338 } 1339 1340 static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif) 1341 { 1342 struct ath10k *ar = arvif->ar; 1343 u32 vdev_param, rts_cts = 0; 1344 1345 lockdep_assert_held(&ar->conf_mutex); 1346 1347 vdev_param = ar->wmi.vdev_param->enable_rtscts; 1348 1349 rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET); 1350 1351 if (arvif->num_legacy_stations > 0) 1352 rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES, 1353 WMI_RTSCTS_PROFILE); 1354 else 1355 rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES, 1356 WMI_RTSCTS_PROFILE); 1357 1358 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d recalc rts/cts prot %d\n", 1359 arvif->vdev_id, rts_cts); 1360 1361 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 1362 rts_cts); 1363 } 1364 1365 static int ath10k_start_cac(struct ath10k *ar) 1366 { 1367 int ret; 1368 1369 lockdep_assert_held(&ar->conf_mutex); 1370 1371 set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); 1372 1373 ret = ath10k_monitor_recalc(ar); 1374 if (ret) { 1375 ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret); 1376 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); 1377 return ret; 1378 } 1379 1380 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n", 1381 ar->monitor_vdev_id); 1382 1383 return 0; 1384 } 1385 1386 static int ath10k_stop_cac(struct ath10k *ar) 1387 { 1388 lockdep_assert_held(&ar->conf_mutex); 1389 1390 /* CAC is not running - do nothing */ 1391 if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags)) 1392 return 0; 1393 1394 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); 1395 ath10k_monitor_stop(ar); 1396 1397 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n"); 1398 1399 return 0; 1400 } 1401 1402 static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw, 1403 struct ieee80211_chanctx_conf *conf, 1404 void *data) 1405 { 1406 bool *ret = data; 1407 1408 if (!*ret && conf->radar_enabled) 1409 *ret = true; 1410 } 1411 1412 static bool ath10k_mac_has_radar_enabled(struct ath10k *ar) 1413 { 1414 bool has_radar = false; 1415 1416 ieee80211_iter_chan_contexts_atomic(ar->hw, 1417 ath10k_mac_has_radar_iter, 1418 &has_radar); 1419 1420 return has_radar; 1421 } 1422 1423 static void ath10k_recalc_radar_detection(struct ath10k *ar) 1424 { 1425 int ret; 1426 1427 lockdep_assert_held(&ar->conf_mutex); 1428 1429 ath10k_stop_cac(ar); 1430 1431 if (!ath10k_mac_has_radar_enabled(ar)) 1432 return; 1433 1434 if (ar->num_started_vdevs > 0) 1435 return; 1436 1437 ret = ath10k_start_cac(ar); 1438 if (ret) { 1439 /* 1440 * Not possible to start CAC on current channel so starting 1441 * radiation is not allowed, make this channel DFS_UNAVAILABLE 1442 * by indicating that radar was detected. 1443 */ 1444 ath10k_warn(ar, "failed to start CAC: %d\n", ret); 1445 ieee80211_radar_detected(ar->hw); 1446 } 1447 } 1448 1449 static int ath10k_vdev_stop(struct ath10k_vif *arvif) 1450 { 1451 struct ath10k *ar = arvif->ar; 1452 int ret; 1453 1454 lockdep_assert_held(&ar->conf_mutex); 1455 1456 reinit_completion(&ar->vdev_setup_done); 1457 reinit_completion(&ar->vdev_delete_done); 1458 1459 ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id); 1460 if (ret) { 1461 ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n", 1462 arvif->vdev_id, ret); 1463 return ret; 1464 } 1465 1466 ret = ath10k_vdev_setup_sync(ar); 1467 if (ret) { 1468 ath10k_warn(ar, "failed to synchronize setup for vdev %i: %d\n", 1469 arvif->vdev_id, ret); 1470 return ret; 1471 } 1472 1473 WARN_ON(ar->num_started_vdevs == 0); 1474 1475 if (ar->num_started_vdevs != 0) { 1476 ar->num_started_vdevs--; 1477 ath10k_recalc_radar_detection(ar); 1478 } 1479 1480 return ret; 1481 } 1482 1483 static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, 1484 const struct cfg80211_chan_def *chandef, 1485 bool restart) 1486 { 1487 struct ath10k *ar = arvif->ar; 1488 struct wmi_vdev_start_request_arg arg = {}; 1489 int ret = 0; 1490 1491 lockdep_assert_held(&ar->conf_mutex); 1492 1493 reinit_completion(&ar->vdev_setup_done); 1494 reinit_completion(&ar->vdev_delete_done); 1495 1496 arg.vdev_id = arvif->vdev_id; 1497 arg.dtim_period = arvif->dtim_period; 1498 arg.bcn_intval = arvif->beacon_interval; 1499 1500 arg.channel.freq = chandef->chan->center_freq; 1501 arg.channel.band_center_freq1 = chandef->center_freq1; 1502 arg.channel.band_center_freq2 = chandef->center_freq2; 1503 arg.channel.mode = chan_to_phymode(chandef); 1504 1505 arg.channel.min_power = 0; 1506 arg.channel.max_power = chandef->chan->max_power * 2; 1507 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; 1508 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain; 1509 1510 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 1511 arg.ssid = arvif->u.ap.ssid; 1512 arg.ssid_len = arvif->u.ap.ssid_len; 1513 arg.hidden_ssid = arvif->u.ap.hidden_ssid; 1514 1515 /* For now allow DFS for AP mode */ 1516 arg.channel.chan_radar = 1517 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); 1518 } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 1519 arg.ssid = arvif->vif->cfg.ssid; 1520 arg.ssid_len = arvif->vif->cfg.ssid_len; 1521 } 1522 1523 ath10k_dbg(ar, ATH10K_DBG_MAC, 1524 "mac vdev %d start center_freq %d phymode %s\n", 1525 arg.vdev_id, arg.channel.freq, 1526 ath10k_wmi_phymode_str(arg.channel.mode)); 1527 1528 if (restart) 1529 ret = ath10k_wmi_vdev_restart(ar, &arg); 1530 else 1531 ret = ath10k_wmi_vdev_start(ar, &arg); 1532 1533 if (ret) { 1534 ath10k_warn(ar, "failed to start WMI vdev %i: %d\n", 1535 arg.vdev_id, ret); 1536 return ret; 1537 } 1538 1539 ret = ath10k_vdev_setup_sync(ar); 1540 if (ret) { 1541 ath10k_warn(ar, 1542 "failed to synchronize setup for vdev %i restart %d: %d\n", 1543 arg.vdev_id, restart, ret); 1544 return ret; 1545 } 1546 1547 ar->num_started_vdevs++; 1548 ath10k_recalc_radar_detection(ar); 1549 1550 return ret; 1551 } 1552 1553 static int ath10k_vdev_start(struct ath10k_vif *arvif, 1554 const struct cfg80211_chan_def *def) 1555 { 1556 return ath10k_vdev_start_restart(arvif, def, false); 1557 } 1558 1559 static int ath10k_vdev_restart(struct ath10k_vif *arvif, 1560 const struct cfg80211_chan_def *def) 1561 { 1562 return ath10k_vdev_start_restart(arvif, def, true); 1563 } 1564 1565 static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif, 1566 struct sk_buff *bcn) 1567 { 1568 struct ath10k *ar = arvif->ar; 1569 struct ieee80211_mgmt *mgmt; 1570 const u8 *p2p_ie; 1571 int ret; 1572 1573 if (arvif->vif->type != NL80211_IFTYPE_AP || !arvif->vif->p2p) 1574 return 0; 1575 1576 mgmt = (void *)bcn->data; 1577 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, 1578 mgmt->u.beacon.variable, 1579 bcn->len - (mgmt->u.beacon.variable - 1580 bcn->data)); 1581 if (!p2p_ie) 1582 return -ENOENT; 1583 1584 ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie); 1585 if (ret) { 1586 ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n", 1587 arvif->vdev_id, ret); 1588 return ret; 1589 } 1590 1591 return 0; 1592 } 1593 1594 static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui, 1595 u8 oui_type, size_t ie_offset) 1596 { 1597 size_t len; 1598 const u8 *next; 1599 const u8 *end; 1600 u8 *ie; 1601 1602 if (WARN_ON(skb->len < ie_offset)) 1603 return -EINVAL; 1604 1605 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, 1606 skb->data + ie_offset, 1607 skb->len - ie_offset); 1608 if (!ie) 1609 return -ENOENT; 1610 1611 len = ie[1] + 2; 1612 end = skb->data + skb->len; 1613 next = ie + len; 1614 1615 if (WARN_ON(next > end)) 1616 return -EINVAL; 1617 1618 memmove(ie, next, end - next); 1619 skb_trim(skb, skb->len - len); 1620 1621 return 0; 1622 } 1623 1624 static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif) 1625 { 1626 struct ath10k *ar = arvif->ar; 1627 struct ieee80211_hw *hw = ar->hw; 1628 struct ieee80211_vif *vif = arvif->vif; 1629 struct ieee80211_mutable_offsets offs = {}; 1630 struct sk_buff *bcn; 1631 int ret; 1632 1633 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) 1634 return 0; 1635 1636 if (arvif->vdev_type != WMI_VDEV_TYPE_AP && 1637 arvif->vdev_type != WMI_VDEV_TYPE_IBSS) 1638 return 0; 1639 1640 bcn = ieee80211_beacon_get_template(hw, vif, &offs, 0); 1641 if (!bcn) { 1642 ath10k_warn(ar, "failed to get beacon template from mac80211\n"); 1643 return -EPERM; 1644 } 1645 1646 ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn); 1647 if (ret) { 1648 ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret); 1649 kfree_skb(bcn); 1650 return ret; 1651 } 1652 1653 /* P2P IE is inserted by firmware automatically (as configured above) 1654 * so remove it from the base beacon template to avoid duplicate P2P 1655 * IEs in beacon frames. 1656 */ 1657 ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, 1658 offsetof(struct ieee80211_mgmt, 1659 u.beacon.variable)); 1660 1661 ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0, 1662 0, NULL, 0); 1663 kfree_skb(bcn); 1664 1665 if (ret) { 1666 ath10k_warn(ar, "failed to submit beacon template command: %d\n", 1667 ret); 1668 return ret; 1669 } 1670 1671 return 0; 1672 } 1673 1674 static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif) 1675 { 1676 struct ath10k *ar = arvif->ar; 1677 struct ieee80211_hw *hw = ar->hw; 1678 struct ieee80211_vif *vif = arvif->vif; 1679 struct sk_buff *prb; 1680 int ret; 1681 1682 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) 1683 return 0; 1684 1685 if (arvif->vdev_type != WMI_VDEV_TYPE_AP) 1686 return 0; 1687 1688 /* For mesh, probe response and beacon share the same template */ 1689 if (ieee80211_vif_is_mesh(vif)) 1690 return 0; 1691 1692 prb = ieee80211_proberesp_get(hw, vif); 1693 if (!prb) { 1694 ath10k_warn(ar, "failed to get probe resp template from mac80211\n"); 1695 return -EPERM; 1696 } 1697 1698 ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb); 1699 kfree_skb(prb); 1700 1701 if (ret) { 1702 ath10k_warn(ar, "failed to submit probe resp template command: %d\n", 1703 ret); 1704 return ret; 1705 } 1706 1707 return 0; 1708 } 1709 1710 static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif) 1711 { 1712 struct ath10k *ar = arvif->ar; 1713 struct cfg80211_chan_def def; 1714 int ret; 1715 1716 /* When originally vdev is started during assign_vif_chanctx() some 1717 * information is missing, notably SSID. Firmware revisions with beacon 1718 * offloading require the SSID to be provided during vdev (re)start to 1719 * handle hidden SSID properly. 1720 * 1721 * Vdev restart must be done after vdev has been both started and 1722 * upped. Otherwise some firmware revisions (at least 10.2) fail to 1723 * deliver vdev restart response event causing timeouts during vdev 1724 * syncing in ath10k. 1725 * 1726 * Note: The vdev down/up and template reinstallation could be skipped 1727 * since only wmi-tlv firmware are known to have beacon offload and 1728 * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart 1729 * response delivery. It's probably more robust to keep it as is. 1730 */ 1731 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) 1732 return 0; 1733 1734 if (WARN_ON(!arvif->is_started)) 1735 return -EINVAL; 1736 1737 if (WARN_ON(!arvif->is_up)) 1738 return -EINVAL; 1739 1740 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) 1741 return -EINVAL; 1742 1743 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); 1744 if (ret) { 1745 ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n", 1746 arvif->vdev_id, ret); 1747 return ret; 1748 } 1749 1750 /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise 1751 * firmware will crash upon vdev up. 1752 */ 1753 1754 ret = ath10k_mac_setup_bcn_tmpl(arvif); 1755 if (ret) { 1756 ath10k_warn(ar, "failed to update beacon template: %d\n", ret); 1757 return ret; 1758 } 1759 1760 ret = ath10k_mac_setup_prb_tmpl(arvif); 1761 if (ret) { 1762 ath10k_warn(ar, "failed to update presp template: %d\n", ret); 1763 return ret; 1764 } 1765 1766 ret = ath10k_vdev_restart(arvif, &def); 1767 if (ret) { 1768 ath10k_warn(ar, "failed to restart ap vdev %i: %d\n", 1769 arvif->vdev_id, ret); 1770 return ret; 1771 } 1772 1773 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 1774 arvif->bssid); 1775 if (ret) { 1776 ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n", 1777 arvif->vdev_id, ret); 1778 return ret; 1779 } 1780 1781 return 0; 1782 } 1783 1784 static void ath10k_control_beaconing(struct ath10k_vif *arvif, 1785 struct ieee80211_bss_conf *info) 1786 { 1787 struct ath10k *ar = arvif->ar; 1788 int ret = 0; 1789 1790 lockdep_assert_held(&arvif->ar->conf_mutex); 1791 1792 if (!info->enable_beacon) { 1793 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); 1794 if (ret) 1795 ath10k_warn(ar, "failed to down vdev_id %i: %d\n", 1796 arvif->vdev_id, ret); 1797 1798 arvif->is_up = false; 1799 1800 spin_lock_bh(&arvif->ar->data_lock); 1801 ath10k_mac_vif_beacon_free(arvif); 1802 spin_unlock_bh(&arvif->ar->data_lock); 1803 1804 return; 1805 } 1806 1807 arvif->tx_seq_no = 0x1000; 1808 1809 arvif->aid = 0; 1810 ether_addr_copy(arvif->bssid, info->bssid); 1811 1812 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 1813 arvif->bssid); 1814 if (ret) { 1815 ath10k_warn(ar, "failed to bring up vdev %d: %i\n", 1816 arvif->vdev_id, ret); 1817 return; 1818 } 1819 1820 arvif->is_up = true; 1821 1822 ret = ath10k_mac_vif_fix_hidden_ssid(arvif); 1823 if (ret) { 1824 ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n", 1825 arvif->vdev_id, ret); 1826 return; 1827 } 1828 1829 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); 1830 } 1831 1832 static void ath10k_control_ibss(struct ath10k_vif *arvif, 1833 struct ieee80211_vif *vif) 1834 { 1835 struct ath10k *ar = arvif->ar; 1836 u32 vdev_param; 1837 int ret = 0; 1838 1839 lockdep_assert_held(&arvif->ar->conf_mutex); 1840 1841 if (!vif->cfg.ibss_joined) { 1842 if (is_zero_ether_addr(arvif->bssid)) 1843 return; 1844 1845 eth_zero_addr(arvif->bssid); 1846 1847 return; 1848 } 1849 1850 vdev_param = arvif->ar->wmi.vdev_param->atim_window; 1851 ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param, 1852 ATH10K_DEFAULT_ATIM); 1853 if (ret) 1854 ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n", 1855 arvif->vdev_id, ret); 1856 } 1857 1858 static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif) 1859 { 1860 struct ath10k *ar = arvif->ar; 1861 u32 param; 1862 u32 value; 1863 int ret; 1864 1865 lockdep_assert_held(&arvif->ar->conf_mutex); 1866 1867 if (arvif->u.sta.uapsd) 1868 value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER; 1869 else 1870 value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; 1871 1872 param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; 1873 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value); 1874 if (ret) { 1875 ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n", 1876 value, arvif->vdev_id, ret); 1877 return ret; 1878 } 1879 1880 return 0; 1881 } 1882 1883 static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif) 1884 { 1885 struct ath10k *ar = arvif->ar; 1886 u32 param; 1887 u32 value; 1888 int ret; 1889 1890 lockdep_assert_held(&arvif->ar->conf_mutex); 1891 1892 if (arvif->u.sta.uapsd) 1893 value = WMI_STA_PS_PSPOLL_COUNT_UAPSD; 1894 else 1895 value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; 1896 1897 param = WMI_STA_PS_PARAM_PSPOLL_COUNT; 1898 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 1899 param, value); 1900 if (ret) { 1901 ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n", 1902 value, arvif->vdev_id, ret); 1903 return ret; 1904 } 1905 1906 return 0; 1907 } 1908 1909 static int ath10k_mac_num_vifs_started(struct ath10k *ar) 1910 { 1911 struct ath10k_vif *arvif; 1912 int num = 0; 1913 1914 lockdep_assert_held(&ar->conf_mutex); 1915 1916 list_for_each_entry(arvif, &ar->arvifs, list) 1917 if (arvif->is_started) 1918 num++; 1919 1920 return num; 1921 } 1922 1923 static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif) 1924 { 1925 struct ath10k *ar = arvif->ar; 1926 struct ieee80211_vif *vif = arvif->vif; 1927 struct ieee80211_conf *conf = &ar->hw->conf; 1928 enum wmi_sta_powersave_param param; 1929 enum wmi_sta_ps_mode psmode; 1930 int ret; 1931 int ps_timeout; 1932 bool enable_ps; 1933 1934 lockdep_assert_held(&arvif->ar->conf_mutex); 1935 1936 if (arvif->vif->type != NL80211_IFTYPE_STATION) 1937 return 0; 1938 1939 enable_ps = arvif->ps; 1940 1941 if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 && 1942 !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT, 1943 ar->running_fw->fw_file.fw_features)) { 1944 ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n", 1945 arvif->vdev_id); 1946 enable_ps = false; 1947 } 1948 1949 if (!arvif->is_started) { 1950 /* mac80211 can update vif powersave state while disconnected. 1951 * Firmware doesn't behave nicely and consumes more power than 1952 * necessary if PS is disabled on a non-started vdev. Hence 1953 * force-enable PS for non-running vdevs. 1954 */ 1955 psmode = WMI_STA_PS_MODE_ENABLED; 1956 } else if (enable_ps) { 1957 psmode = WMI_STA_PS_MODE_ENABLED; 1958 param = WMI_STA_PS_PARAM_INACTIVITY_TIME; 1959 1960 ps_timeout = conf->dynamic_ps_timeout; 1961 if (ps_timeout == 0) { 1962 /* Firmware doesn't like 0 */ 1963 ps_timeout = ieee80211_tu_to_usec( 1964 vif->bss_conf.beacon_int) / 1000; 1965 } 1966 1967 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, 1968 ps_timeout); 1969 if (ret) { 1970 ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n", 1971 arvif->vdev_id, ret); 1972 return ret; 1973 } 1974 } else { 1975 psmode = WMI_STA_PS_MODE_DISABLED; 1976 } 1977 1978 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n", 1979 arvif->vdev_id, psmode ? "enable" : "disable"); 1980 1981 ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode); 1982 if (ret) { 1983 ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n", 1984 psmode, arvif->vdev_id, ret); 1985 return ret; 1986 } 1987 1988 return 0; 1989 } 1990 1991 static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif) 1992 { 1993 struct ath10k *ar = arvif->ar; 1994 struct wmi_sta_keepalive_arg arg = {}; 1995 int ret; 1996 1997 lockdep_assert_held(&arvif->ar->conf_mutex); 1998 1999 if (arvif->vdev_type != WMI_VDEV_TYPE_STA) 2000 return 0; 2001 2002 if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map)) 2003 return 0; 2004 2005 /* Some firmware revisions have a bug and ignore the `enabled` field. 2006 * Instead use the interval to disable the keepalive. 2007 */ 2008 arg.vdev_id = arvif->vdev_id; 2009 arg.enabled = 1; 2010 arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME; 2011 arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE; 2012 2013 ret = ath10k_wmi_sta_keepalive(ar, &arg); 2014 if (ret) { 2015 ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n", 2016 arvif->vdev_id, ret); 2017 return ret; 2018 } 2019 2020 return 0; 2021 } 2022 2023 static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif) 2024 { 2025 struct ath10k *ar = arvif->ar; 2026 struct ieee80211_vif *vif = arvif->vif; 2027 int ret; 2028 2029 lockdep_assert_held(&arvif->ar->conf_mutex); 2030 2031 if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))) 2032 return; 2033 2034 if (arvif->vdev_type != WMI_VDEV_TYPE_AP) 2035 return; 2036 2037 if (!vif->bss_conf.csa_active) 2038 return; 2039 2040 if (!arvif->is_up) 2041 return; 2042 2043 if (!ieee80211_beacon_cntdwn_is_complete(vif)) { 2044 ieee80211_beacon_update_cntdwn(vif); 2045 2046 ret = ath10k_mac_setup_bcn_tmpl(arvif); 2047 if (ret) 2048 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", 2049 ret); 2050 2051 ret = ath10k_mac_setup_prb_tmpl(arvif); 2052 if (ret) 2053 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", 2054 ret); 2055 } else { 2056 ieee80211_csa_finish(vif); 2057 } 2058 } 2059 2060 static void ath10k_mac_vif_ap_csa_work(struct work_struct *work) 2061 { 2062 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, 2063 ap_csa_work); 2064 struct ath10k *ar = arvif->ar; 2065 2066 mutex_lock(&ar->conf_mutex); 2067 ath10k_mac_vif_ap_csa_count_down(arvif); 2068 mutex_unlock(&ar->conf_mutex); 2069 } 2070 2071 static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac, 2072 struct ieee80211_vif *vif) 2073 { 2074 struct sk_buff *skb = data; 2075 struct ieee80211_mgmt *mgmt = (void *)skb->data; 2076 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2077 2078 if (vif->type != NL80211_IFTYPE_STATION) 2079 return; 2080 2081 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid)) 2082 return; 2083 2084 cancel_delayed_work(&arvif->connection_loss_work); 2085 } 2086 2087 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb) 2088 { 2089 ieee80211_iterate_active_interfaces_atomic(ar->hw, 2090 ATH10K_ITER_NORMAL_FLAGS, 2091 ath10k_mac_handle_beacon_iter, 2092 skb); 2093 } 2094 2095 static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac, 2096 struct ieee80211_vif *vif) 2097 { 2098 u32 *vdev_id = data; 2099 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2100 struct ath10k *ar = arvif->ar; 2101 struct ieee80211_hw *hw = ar->hw; 2102 2103 if (arvif->vdev_id != *vdev_id) 2104 return; 2105 2106 if (!arvif->is_up) 2107 return; 2108 2109 ieee80211_beacon_loss(vif); 2110 2111 /* Firmware doesn't report beacon loss events repeatedly. If AP probe 2112 * (done by mac80211) succeeds but beacons do not resume then it 2113 * doesn't make sense to continue operation. Queue connection loss work 2114 * which can be cancelled when beacon is received. 2115 */ 2116 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work, 2117 ATH10K_CONNECTION_LOSS_HZ); 2118 } 2119 2120 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id) 2121 { 2122 ieee80211_iterate_active_interfaces_atomic(ar->hw, 2123 ATH10K_ITER_NORMAL_FLAGS, 2124 ath10k_mac_handle_beacon_miss_iter, 2125 &vdev_id); 2126 } 2127 2128 static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work) 2129 { 2130 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, 2131 connection_loss_work.work); 2132 struct ieee80211_vif *vif = arvif->vif; 2133 2134 if (!arvif->is_up) 2135 return; 2136 2137 ieee80211_connection_loss(vif); 2138 } 2139 2140 /**********************/ 2141 /* Station management */ 2142 /**********************/ 2143 2144 static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar, 2145 struct ieee80211_vif *vif) 2146 { 2147 /* Some firmware revisions have unstable STA powersave when listen 2148 * interval is set too high (e.g. 5). The symptoms are firmware doesn't 2149 * generate NullFunc frames properly even if buffered frames have been 2150 * indicated in Beacon TIM. Firmware would seldom wake up to pull 2151 * buffered frames. Often pinging the device from AP would simply fail. 2152 * 2153 * As a workaround set it to 1. 2154 */ 2155 if (vif->type == NL80211_IFTYPE_STATION) 2156 return 1; 2157 2158 return ar->hw->conf.listen_interval; 2159 } 2160 2161 static void ath10k_peer_assoc_h_basic(struct ath10k *ar, 2162 struct ieee80211_vif *vif, 2163 struct ieee80211_sta *sta, 2164 struct wmi_peer_assoc_complete_arg *arg) 2165 { 2166 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2167 u32 aid; 2168 2169 lockdep_assert_held(&ar->conf_mutex); 2170 2171 if (vif->type == NL80211_IFTYPE_STATION) 2172 aid = vif->cfg.aid; 2173 else 2174 aid = sta->aid; 2175 2176 ether_addr_copy(arg->addr, sta->addr); 2177 arg->vdev_id = arvif->vdev_id; 2178 arg->peer_aid = aid; 2179 arg->peer_flags |= arvif->ar->wmi.peer_flags->auth; 2180 arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif); 2181 arg->peer_num_spatial_streams = 1; 2182 arg->peer_caps = vif->bss_conf.assoc_capability; 2183 } 2184 2185 static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, 2186 struct ieee80211_vif *vif, 2187 struct ieee80211_sta *sta, 2188 struct wmi_peer_assoc_complete_arg *arg) 2189 { 2190 struct ieee80211_bss_conf *info = &vif->bss_conf; 2191 struct cfg80211_chan_def def; 2192 struct cfg80211_bss *bss; 2193 const u8 *rsnie = NULL; 2194 const u8 *wpaie = NULL; 2195 2196 lockdep_assert_held(&ar->conf_mutex); 2197 2198 if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) 2199 return; 2200 2201 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, 2202 vif->cfg.ssid_len ? vif->cfg.ssid : NULL, 2203 vif->cfg.ssid_len, 2204 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); 2205 if (bss) { 2206 const struct cfg80211_bss_ies *ies; 2207 2208 rcu_read_lock(); 2209 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); 2210 2211 ies = rcu_dereference(bss->ies); 2212 2213 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, 2214 WLAN_OUI_TYPE_MICROSOFT_WPA, 2215 ies->data, 2216 ies->len); 2217 rcu_read_unlock(); 2218 cfg80211_put_bss(ar->hw->wiphy, bss); 2219 } 2220 2221 /* FIXME: base on RSN IE/WPA IE is a correct idea? */ 2222 if (rsnie || wpaie) { 2223 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__); 2224 arg->peer_flags |= ar->wmi.peer_flags->need_ptk_4_way; 2225 } 2226 2227 if (wpaie) { 2228 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__); 2229 arg->peer_flags |= ar->wmi.peer_flags->need_gtk_2_way; 2230 } 2231 2232 if (sta->mfp && 2233 test_bit(ATH10K_FW_FEATURE_MFP_SUPPORT, 2234 ar->running_fw->fw_file.fw_features)) { 2235 arg->peer_flags |= ar->wmi.peer_flags->pmf; 2236 } 2237 } 2238 2239 static void ath10k_peer_assoc_h_rates(struct ath10k *ar, 2240 struct ieee80211_vif *vif, 2241 struct ieee80211_sta *sta, 2242 struct wmi_peer_assoc_complete_arg *arg) 2243 { 2244 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2245 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; 2246 struct cfg80211_chan_def def; 2247 const struct ieee80211_supported_band *sband; 2248 const struct ieee80211_rate *rates; 2249 enum nl80211_band band; 2250 u32 ratemask; 2251 u8 rate; 2252 int i; 2253 2254 lockdep_assert_held(&ar->conf_mutex); 2255 2256 if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) 2257 return; 2258 2259 band = def.chan->band; 2260 sband = ar->hw->wiphy->bands[band]; 2261 ratemask = sta->deflink.supp_rates[band]; 2262 ratemask &= arvif->bitrate_mask.control[band].legacy; 2263 rates = sband->bitrates; 2264 2265 rateset->num_rates = 0; 2266 2267 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { 2268 if (!(ratemask & 1)) 2269 continue; 2270 2271 rate = ath10k_mac_bitrate_to_rate(rates->bitrate); 2272 rateset->rates[rateset->num_rates] = rate; 2273 rateset->num_rates++; 2274 } 2275 } 2276 2277 static bool 2278 ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) 2279 { 2280 int nss; 2281 2282 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++) 2283 if (ht_mcs_mask[nss]) 2284 return false; 2285 2286 return true; 2287 } 2288 2289 static bool 2290 ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) 2291 { 2292 int nss; 2293 2294 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) 2295 if (vht_mcs_mask[nss]) 2296 return false; 2297 2298 return true; 2299 } 2300 2301 static void ath10k_peer_assoc_h_ht(struct ath10k *ar, 2302 struct ieee80211_vif *vif, 2303 struct ieee80211_sta *sta, 2304 struct wmi_peer_assoc_complete_arg *arg) 2305 { 2306 const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; 2307 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2308 struct cfg80211_chan_def def; 2309 enum nl80211_band band; 2310 const u8 *ht_mcs_mask; 2311 const u16 *vht_mcs_mask; 2312 int i, n; 2313 u8 max_nss; 2314 u32 stbc; 2315 2316 lockdep_assert_held(&ar->conf_mutex); 2317 2318 if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) 2319 return; 2320 2321 if (!ht_cap->ht_supported) 2322 return; 2323 2324 band = def.chan->band; 2325 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 2326 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 2327 2328 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) && 2329 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) 2330 return; 2331 2332 arg->peer_flags |= ar->wmi.peer_flags->ht; 2333 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + 2334 ht_cap->ampdu_factor)) - 1; 2335 2336 arg->peer_mpdu_density = 2337 ath10k_parse_mpdudensity(ht_cap->ampdu_density); 2338 2339 arg->peer_ht_caps = ht_cap->cap; 2340 arg->peer_rate_caps |= WMI_RC_HT_FLAG; 2341 2342 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) 2343 arg->peer_flags |= ar->wmi.peer_flags->ldbc; 2344 2345 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) { 2346 arg->peer_flags |= ar->wmi.peer_flags->bw40; 2347 arg->peer_rate_caps |= WMI_RC_CW40_FLAG; 2348 } 2349 2350 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) { 2351 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) 2352 arg->peer_rate_caps |= WMI_RC_SGI_FLAG; 2353 2354 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) 2355 arg->peer_rate_caps |= WMI_RC_SGI_FLAG; 2356 } 2357 2358 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { 2359 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG; 2360 arg->peer_flags |= ar->wmi.peer_flags->stbc; 2361 } 2362 2363 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { 2364 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; 2365 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; 2366 stbc = stbc << WMI_RC_RX_STBC_FLAG_S; 2367 arg->peer_rate_caps |= stbc; 2368 arg->peer_flags |= ar->wmi.peer_flags->stbc; 2369 } 2370 2371 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) 2372 arg->peer_rate_caps |= WMI_RC_TS_FLAG; 2373 else if (ht_cap->mcs.rx_mask[1]) 2374 arg->peer_rate_caps |= WMI_RC_DS_FLAG; 2375 2376 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++) 2377 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) && 2378 (ht_mcs_mask[i / 8] & BIT(i % 8))) { 2379 max_nss = (i / 8) + 1; 2380 arg->peer_ht_rates.rates[n++] = i; 2381 } 2382 2383 /* 2384 * This is a workaround for HT-enabled STAs which break the spec 2385 * and have no HT capabilities RX mask (no HT RX MCS map). 2386 * 2387 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), 2388 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. 2389 * 2390 * Firmware asserts if such situation occurs. 2391 */ 2392 if (n == 0) { 2393 arg->peer_ht_rates.num_rates = 8; 2394 for (i = 0; i < arg->peer_ht_rates.num_rates; i++) 2395 arg->peer_ht_rates.rates[i] = i; 2396 } else { 2397 arg->peer_ht_rates.num_rates = n; 2398 arg->peer_num_spatial_streams = min(sta->deflink.rx_nss, 2399 max_nss); 2400 } 2401 2402 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", 2403 arg->addr, 2404 arg->peer_ht_rates.num_rates, 2405 arg->peer_num_spatial_streams); 2406 } 2407 2408 static int ath10k_peer_assoc_qos_ap(struct ath10k *ar, 2409 struct ath10k_vif *arvif, 2410 struct ieee80211_sta *sta) 2411 { 2412 u32 uapsd = 0; 2413 u32 max_sp = 0; 2414 int ret = 0; 2415 2416 lockdep_assert_held(&ar->conf_mutex); 2417 2418 if (sta->wme && sta->uapsd_queues) { 2419 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", 2420 sta->uapsd_queues, sta->max_sp); 2421 2422 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 2423 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | 2424 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; 2425 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) 2426 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | 2427 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; 2428 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) 2429 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | 2430 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; 2431 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) 2432 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | 2433 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; 2434 2435 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) 2436 max_sp = sta->max_sp; 2437 2438 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, 2439 sta->addr, 2440 WMI_AP_PS_PEER_PARAM_UAPSD, 2441 uapsd); 2442 if (ret) { 2443 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n", 2444 arvif->vdev_id, ret); 2445 return ret; 2446 } 2447 2448 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, 2449 sta->addr, 2450 WMI_AP_PS_PEER_PARAM_MAX_SP, 2451 max_sp); 2452 if (ret) { 2453 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n", 2454 arvif->vdev_id, ret); 2455 return ret; 2456 } 2457 2458 /* TODO setup this based on STA listen interval and 2459 * beacon interval. Currently we don't know 2460 * sta->listen_interval - mac80211 patch required. 2461 * Currently use 10 seconds 2462 */ 2463 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr, 2464 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, 2465 10); 2466 if (ret) { 2467 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n", 2468 arvif->vdev_id, ret); 2469 return ret; 2470 } 2471 } 2472 2473 return 0; 2474 } 2475 2476 static u16 2477 ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set, 2478 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX]) 2479 { 2480 int idx_limit; 2481 int nss; 2482 u16 mcs_map; 2483 u16 mcs; 2484 2485 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { 2486 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) & 2487 vht_mcs_limit[nss]; 2488 2489 if (mcs_map) 2490 idx_limit = fls(mcs_map) - 1; 2491 else 2492 idx_limit = -1; 2493 2494 switch (idx_limit) { 2495 case 0: 2496 case 1: 2497 case 2: 2498 case 3: 2499 case 4: 2500 case 5: 2501 case 6: 2502 default: 2503 /* see ath10k_mac_can_set_bitrate_mask() */ 2504 WARN_ON(1); 2505 fallthrough; 2506 case -1: 2507 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED; 2508 break; 2509 case 7: 2510 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7; 2511 break; 2512 case 8: 2513 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8; 2514 break; 2515 case 9: 2516 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9; 2517 break; 2518 } 2519 2520 tx_mcs_set &= ~(0x3 << (nss * 2)); 2521 tx_mcs_set |= mcs << (nss * 2); 2522 } 2523 2524 return tx_mcs_set; 2525 } 2526 2527 static u32 get_160mhz_nss_from_maxrate(int rate) 2528 { 2529 u32 nss; 2530 2531 switch (rate) { 2532 case 780: 2533 nss = 1; 2534 break; 2535 case 1560: 2536 nss = 2; 2537 break; 2538 case 2106: 2539 nss = 3; /* not support MCS9 from spec*/ 2540 break; 2541 case 3120: 2542 nss = 4; 2543 break; 2544 default: 2545 nss = 1; 2546 } 2547 2548 return nss; 2549 } 2550 2551 static void ath10k_peer_assoc_h_vht(struct ath10k *ar, 2552 struct ieee80211_vif *vif, 2553 struct ieee80211_sta *sta, 2554 struct wmi_peer_assoc_complete_arg *arg) 2555 { 2556 const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap; 2557 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2558 struct ath10k_hw_params *hw = &ar->hw_params; 2559 struct cfg80211_chan_def def; 2560 enum nl80211_band band; 2561 const u16 *vht_mcs_mask; 2562 u8 ampdu_factor; 2563 u8 max_nss, vht_mcs; 2564 int i; 2565 2566 if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) 2567 return; 2568 2569 if (!vht_cap->vht_supported) 2570 return; 2571 2572 band = def.chan->band; 2573 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 2574 2575 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) 2576 return; 2577 2578 arg->peer_flags |= ar->wmi.peer_flags->vht; 2579 2580 if (def.chan->band == NL80211_BAND_2GHZ) 2581 arg->peer_flags |= ar->wmi.peer_flags->vht_2g; 2582 2583 arg->peer_vht_caps = vht_cap->cap; 2584 2585 ampdu_factor = (vht_cap->cap & 2586 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> 2587 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; 2588 2589 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to 2590 * zero in VHT IE. Using it would result in degraded throughput. 2591 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep 2592 * it if VHT max_mpdu is smaller. 2593 */ 2594 arg->peer_max_mpdu = max(arg->peer_max_mpdu, 2595 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + 2596 ampdu_factor)) - 1); 2597 2598 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) 2599 arg->peer_flags |= ar->wmi.peer_flags->bw80; 2600 2601 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) 2602 arg->peer_flags |= ar->wmi.peer_flags->bw160; 2603 2604 /* Calculate peer NSS capability from VHT capabilities if STA 2605 * supports VHT. 2606 */ 2607 for (i = 0, max_nss = 0, vht_mcs = 0; i < NL80211_VHT_NSS_MAX; i++) { 2608 vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >> 2609 (2 * i) & 3; 2610 2611 if ((vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED) && 2612 vht_mcs_mask[i]) 2613 max_nss = i + 1; 2614 } 2615 arg->peer_num_spatial_streams = min(sta->deflink.rx_nss, max_nss); 2616 arg->peer_vht_rates.rx_max_rate = 2617 __le16_to_cpu(vht_cap->vht_mcs.rx_highest); 2618 arg->peer_vht_rates.rx_mcs_set = 2619 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); 2620 arg->peer_vht_rates.tx_max_rate = 2621 __le16_to_cpu(vht_cap->vht_mcs.tx_highest); 2622 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit( 2623 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask); 2624 2625 /* Configure bandwidth-NSS mapping to FW 2626 * for the chip's tx chains setting on 160Mhz bw 2627 */ 2628 if (arg->peer_phymode == MODE_11AC_VHT160 || 2629 arg->peer_phymode == MODE_11AC_VHT80_80) { 2630 u32 rx_nss; 2631 u32 max_rate; 2632 2633 max_rate = arg->peer_vht_rates.rx_max_rate; 2634 rx_nss = get_160mhz_nss_from_maxrate(max_rate); 2635 2636 if (rx_nss == 0) 2637 rx_nss = arg->peer_num_spatial_streams; 2638 else 2639 rx_nss = min(arg->peer_num_spatial_streams, rx_nss); 2640 2641 max_rate = hw->vht160_mcs_tx_highest; 2642 rx_nss = min(rx_nss, get_160mhz_nss_from_maxrate(max_rate)); 2643 2644 arg->peer_bw_rxnss_override = 2645 FIELD_PREP(WMI_PEER_NSS_MAP_ENABLE, 1) | 2646 FIELD_PREP(WMI_PEER_NSS_160MHZ_MASK, (rx_nss - 1)); 2647 2648 if (arg->peer_phymode == MODE_11AC_VHT80_80) { 2649 arg->peer_bw_rxnss_override |= 2650 FIELD_PREP(WMI_PEER_NSS_80_80MHZ_MASK, (rx_nss - 1)); 2651 } 2652 } 2653 ath10k_dbg(ar, ATH10K_DBG_MAC, 2654 "mac vht peer %pM max_mpdu %d flags 0x%x peer_rx_nss_override 0x%x\n", 2655 sta->addr, arg->peer_max_mpdu, 2656 arg->peer_flags, arg->peer_bw_rxnss_override); 2657 } 2658 2659 static void ath10k_peer_assoc_h_qos(struct ath10k *ar, 2660 struct ieee80211_vif *vif, 2661 struct ieee80211_sta *sta, 2662 struct wmi_peer_assoc_complete_arg *arg) 2663 { 2664 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2665 2666 switch (arvif->vdev_type) { 2667 case WMI_VDEV_TYPE_AP: 2668 if (sta->wme) 2669 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos; 2670 2671 if (sta->wme && sta->uapsd_queues) { 2672 arg->peer_flags |= arvif->ar->wmi.peer_flags->apsd; 2673 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG; 2674 } 2675 break; 2676 case WMI_VDEV_TYPE_STA: 2677 if (sta->wme) 2678 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos; 2679 break; 2680 case WMI_VDEV_TYPE_IBSS: 2681 if (sta->wme) 2682 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos; 2683 break; 2684 default: 2685 break; 2686 } 2687 2688 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n", 2689 sta->addr, !!(arg->peer_flags & 2690 arvif->ar->wmi.peer_flags->qos)); 2691 } 2692 2693 static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta) 2694 { 2695 return sta->deflink.supp_rates[NL80211_BAND_2GHZ] >> 2696 ATH10K_MAC_FIRST_OFDM_RATE_IDX; 2697 } 2698 2699 static enum wmi_phy_mode ath10k_mac_get_phymode_vht(struct ath10k *ar, 2700 struct ieee80211_sta *sta) 2701 { 2702 struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap; 2703 2704 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) { 2705 switch (vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { 2706 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: 2707 return MODE_11AC_VHT160; 2708 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: 2709 return MODE_11AC_VHT80_80; 2710 default: 2711 /* not sure if this is a valid case? */ 2712 return MODE_11AC_VHT160; 2713 } 2714 } 2715 2716 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) 2717 return MODE_11AC_VHT80; 2718 2719 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2720 return MODE_11AC_VHT40; 2721 2722 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) 2723 return MODE_11AC_VHT20; 2724 2725 return MODE_UNKNOWN; 2726 } 2727 2728 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, 2729 struct ieee80211_vif *vif, 2730 struct ieee80211_sta *sta, 2731 struct wmi_peer_assoc_complete_arg *arg) 2732 { 2733 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2734 struct cfg80211_chan_def def; 2735 enum nl80211_band band; 2736 const u8 *ht_mcs_mask; 2737 const u16 *vht_mcs_mask; 2738 enum wmi_phy_mode phymode = MODE_UNKNOWN; 2739 2740 if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) 2741 return; 2742 2743 band = def.chan->band; 2744 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 2745 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 2746 2747 switch (band) { 2748 case NL80211_BAND_2GHZ: 2749 if (sta->deflink.vht_cap.vht_supported && 2750 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) { 2751 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2752 phymode = MODE_11AC_VHT40; 2753 else 2754 phymode = MODE_11AC_VHT20; 2755 } else if (sta->deflink.ht_cap.ht_supported && 2756 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) { 2757 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) 2758 phymode = MODE_11NG_HT40; 2759 else 2760 phymode = MODE_11NG_HT20; 2761 } else if (ath10k_mac_sta_has_ofdm_only(sta)) { 2762 phymode = MODE_11G; 2763 } else { 2764 phymode = MODE_11B; 2765 } 2766 2767 break; 2768 case NL80211_BAND_5GHZ: 2769 /* 2770 * Check VHT first. 2771 */ 2772 if (sta->deflink.vht_cap.vht_supported && 2773 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) { 2774 phymode = ath10k_mac_get_phymode_vht(ar, sta); 2775 } else if (sta->deflink.ht_cap.ht_supported && 2776 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) { 2777 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) 2778 phymode = MODE_11NA_HT40; 2779 else 2780 phymode = MODE_11NA_HT20; 2781 } else { 2782 phymode = MODE_11A; 2783 } 2784 2785 break; 2786 default: 2787 break; 2788 } 2789 2790 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n", 2791 sta->addr, ath10k_wmi_phymode_str(phymode)); 2792 2793 arg->peer_phymode = phymode; 2794 WARN_ON(phymode == MODE_UNKNOWN); 2795 } 2796 2797 static int ath10k_peer_assoc_prepare(struct ath10k *ar, 2798 struct ieee80211_vif *vif, 2799 struct ieee80211_sta *sta, 2800 struct wmi_peer_assoc_complete_arg *arg) 2801 { 2802 lockdep_assert_held(&ar->conf_mutex); 2803 2804 memset(arg, 0, sizeof(*arg)); 2805 2806 ath10k_peer_assoc_h_basic(ar, vif, sta, arg); 2807 ath10k_peer_assoc_h_crypto(ar, vif, sta, arg); 2808 ath10k_peer_assoc_h_rates(ar, vif, sta, arg); 2809 ath10k_peer_assoc_h_ht(ar, vif, sta, arg); 2810 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); 2811 ath10k_peer_assoc_h_vht(ar, vif, sta, arg); 2812 ath10k_peer_assoc_h_qos(ar, vif, sta, arg); 2813 2814 return 0; 2815 } 2816 2817 static const u32 ath10k_smps_map[] = { 2818 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, 2819 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, 2820 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, 2821 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, 2822 }; 2823 2824 static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif, 2825 const u8 *addr, 2826 const struct ieee80211_sta_ht_cap *ht_cap) 2827 { 2828 int smps; 2829 2830 if (!ht_cap->ht_supported) 2831 return 0; 2832 2833 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; 2834 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; 2835 2836 if (smps >= ARRAY_SIZE(ath10k_smps_map)) 2837 return -EINVAL; 2838 2839 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr, 2840 ar->wmi.peer_param->smps_state, 2841 ath10k_smps_map[smps]); 2842 } 2843 2844 static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar, 2845 struct ieee80211_vif *vif, 2846 struct ieee80211_sta_vht_cap vht_cap) 2847 { 2848 struct ath10k_vif *arvif = (void *)vif->drv_priv; 2849 int ret; 2850 u32 param; 2851 u32 value; 2852 2853 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC) 2854 return 0; 2855 2856 if (!(ar->vht_cap_info & 2857 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 2858 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 2859 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 2860 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))) 2861 return 0; 2862 2863 param = ar->wmi.vdev_param->txbf; 2864 value = 0; 2865 2866 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED)) 2867 return 0; 2868 2869 /* The following logic is correct. If a remote STA advertises support 2870 * for being a beamformer then we should enable us being a beamformee. 2871 */ 2872 2873 if (ar->vht_cap_info & 2874 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 2875 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { 2876 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) 2877 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; 2878 2879 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) 2880 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; 2881 } 2882 2883 if (ar->vht_cap_info & 2884 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 2885 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { 2886 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) 2887 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; 2888 2889 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) 2890 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; 2891 } 2892 2893 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE) 2894 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; 2895 2896 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER) 2897 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; 2898 2899 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value); 2900 if (ret) { 2901 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n", 2902 value, ret); 2903 return ret; 2904 } 2905 2906 return 0; 2907 } 2908 2909 static bool ath10k_mac_is_connected(struct ath10k *ar) 2910 { 2911 struct ath10k_vif *arvif; 2912 2913 list_for_each_entry(arvif, &ar->arvifs, list) { 2914 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_STA) 2915 return true; 2916 } 2917 2918 return false; 2919 } 2920 2921 static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower) 2922 { 2923 int ret; 2924 u32 param; 2925 int tx_power_2g, tx_power_5g; 2926 bool connected; 2927 2928 lockdep_assert_held(&ar->conf_mutex); 2929 2930 /* ath10k internally uses unit of 0.5 dBm so multiply by 2 */ 2931 tx_power_2g = txpower * 2; 2932 tx_power_5g = txpower * 2; 2933 2934 connected = ath10k_mac_is_connected(ar); 2935 2936 if (connected && ar->tx_power_2g_limit) 2937 if (tx_power_2g > ar->tx_power_2g_limit) 2938 tx_power_2g = ar->tx_power_2g_limit; 2939 2940 if (connected && ar->tx_power_5g_limit) 2941 if (tx_power_5g > ar->tx_power_5g_limit) 2942 tx_power_5g = ar->tx_power_5g_limit; 2943 2944 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower 2g: %d, 5g: %d\n", 2945 tx_power_2g, tx_power_5g); 2946 2947 param = ar->wmi.pdev_param->txpower_limit2g; 2948 ret = ath10k_wmi_pdev_set_param(ar, param, tx_power_2g); 2949 if (ret) { 2950 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", 2951 tx_power_2g, ret); 2952 return ret; 2953 } 2954 2955 param = ar->wmi.pdev_param->txpower_limit5g; 2956 ret = ath10k_wmi_pdev_set_param(ar, param, tx_power_5g); 2957 if (ret) { 2958 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", 2959 tx_power_5g, ret); 2960 return ret; 2961 } 2962 2963 return 0; 2964 } 2965 2966 static int ath10k_mac_txpower_recalc(struct ath10k *ar) 2967 { 2968 struct ath10k_vif *arvif; 2969 int ret, txpower = -1; 2970 2971 lockdep_assert_held(&ar->conf_mutex); 2972 2973 list_for_each_entry(arvif, &ar->arvifs, list) { 2974 /* txpower not initialized yet? */ 2975 if (arvif->txpower == INT_MIN) 2976 continue; 2977 2978 if (txpower == -1) 2979 txpower = arvif->txpower; 2980 else 2981 txpower = min(txpower, arvif->txpower); 2982 } 2983 2984 if (txpower == -1) 2985 return 0; 2986 2987 ret = ath10k_mac_txpower_setup(ar, txpower); 2988 if (ret) { 2989 ath10k_warn(ar, "failed to setup tx power %d: %d\n", 2990 txpower, ret); 2991 return ret; 2992 } 2993 2994 return 0; 2995 } 2996 2997 static int ath10k_mac_set_sar_power(struct ath10k *ar) 2998 { 2999 if (!ar->hw_params.dynamic_sar_support) 3000 return -EOPNOTSUPP; 3001 3002 if (!ath10k_mac_is_connected(ar)) 3003 return 0; 3004 3005 /* if connected, then arvif->txpower must be valid */ 3006 return ath10k_mac_txpower_recalc(ar); 3007 } 3008 3009 static int ath10k_mac_set_sar_specs(struct ieee80211_hw *hw, 3010 const struct cfg80211_sar_specs *sar) 3011 { 3012 const struct cfg80211_sar_sub_specs *sub_specs; 3013 struct ath10k *ar = hw->priv; 3014 u32 i; 3015 int ret; 3016 3017 mutex_lock(&ar->conf_mutex); 3018 3019 if (!ar->hw_params.dynamic_sar_support) { 3020 ret = -EOPNOTSUPP; 3021 goto err; 3022 } 3023 3024 if (!sar || sar->type != NL80211_SAR_TYPE_POWER || 3025 sar->num_sub_specs == 0) { 3026 ret = -EINVAL; 3027 goto err; 3028 } 3029 3030 sub_specs = sar->sub_specs; 3031 3032 /* 0dbm is not a practical value for ath10k, so use 0 3033 * as no SAR limitation on it. 3034 */ 3035 ar->tx_power_2g_limit = 0; 3036 ar->tx_power_5g_limit = 0; 3037 3038 /* note the power is in 0.25dbm unit, while ath10k uses 3039 * 0.5dbm unit. 3040 */ 3041 for (i = 0; i < sar->num_sub_specs; i++) { 3042 if (sub_specs->freq_range_index == 0) 3043 ar->tx_power_2g_limit = sub_specs->power / 2; 3044 else if (sub_specs->freq_range_index == 1) 3045 ar->tx_power_5g_limit = sub_specs->power / 2; 3046 3047 sub_specs++; 3048 } 3049 3050 ret = ath10k_mac_set_sar_power(ar); 3051 if (ret) { 3052 ath10k_warn(ar, "failed to set sar power: %d", ret); 3053 goto err; 3054 } 3055 3056 err: 3057 mutex_unlock(&ar->conf_mutex); 3058 return ret; 3059 } 3060 3061 /* can be called only in mac80211 callbacks due to `key_count` usage */ 3062 static void ath10k_bss_assoc(struct ieee80211_hw *hw, 3063 struct ieee80211_vif *vif, 3064 struct ieee80211_bss_conf *bss_conf) 3065 { 3066 struct ath10k *ar = hw->priv; 3067 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3068 struct ieee80211_sta_ht_cap ht_cap; 3069 struct ieee80211_sta_vht_cap vht_cap; 3070 struct wmi_peer_assoc_complete_arg peer_arg; 3071 struct ieee80211_sta *ap_sta; 3072 int ret; 3073 3074 lockdep_assert_held(&ar->conf_mutex); 3075 3076 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", 3077 arvif->vdev_id, arvif->bssid, arvif->aid); 3078 3079 rcu_read_lock(); 3080 3081 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); 3082 if (!ap_sta) { 3083 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n", 3084 bss_conf->bssid, arvif->vdev_id); 3085 rcu_read_unlock(); 3086 return; 3087 } 3088 3089 /* ap_sta must be accessed only within rcu section which must be left 3090 * before calling ath10k_setup_peer_smps() which might sleep. 3091 */ 3092 ht_cap = ap_sta->deflink.ht_cap; 3093 vht_cap = ap_sta->deflink.vht_cap; 3094 3095 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg); 3096 if (ret) { 3097 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n", 3098 bss_conf->bssid, arvif->vdev_id, ret); 3099 rcu_read_unlock(); 3100 return; 3101 } 3102 3103 rcu_read_unlock(); 3104 3105 ret = ath10k_wmi_peer_assoc(ar, &peer_arg); 3106 if (ret) { 3107 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n", 3108 bss_conf->bssid, arvif->vdev_id, ret); 3109 return; 3110 } 3111 3112 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap); 3113 if (ret) { 3114 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n", 3115 arvif->vdev_id, ret); 3116 return; 3117 } 3118 3119 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); 3120 if (ret) { 3121 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n", 3122 arvif->vdev_id, bss_conf->bssid, ret); 3123 return; 3124 } 3125 3126 ath10k_dbg(ar, ATH10K_DBG_MAC, 3127 "mac vdev %d up (associated) bssid %pM aid %d\n", 3128 arvif->vdev_id, bss_conf->bssid, vif->cfg.aid); 3129 3130 WARN_ON(arvif->is_up); 3131 3132 arvif->aid = vif->cfg.aid; 3133 ether_addr_copy(arvif->bssid, bss_conf->bssid); 3134 3135 ret = ath10k_wmi_pdev_set_param(ar, 3136 ar->wmi.pdev_param->peer_stats_info_enable, 1); 3137 if (ret) 3138 ath10k_warn(ar, "failed to enable peer stats info: %d\n", ret); 3139 3140 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); 3141 if (ret) { 3142 ath10k_warn(ar, "failed to set vdev %d up: %d\n", 3143 arvif->vdev_id, ret); 3144 return; 3145 } 3146 3147 arvif->is_up = true; 3148 3149 ath10k_mac_set_sar_power(ar); 3150 3151 /* Workaround: Some firmware revisions (tested with qca6174 3152 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be 3153 * poked with peer param command. 3154 */ 3155 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid, 3156 ar->wmi.peer_param->dummy_var, 1); 3157 if (ret) { 3158 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n", 3159 arvif->bssid, arvif->vdev_id, ret); 3160 return; 3161 } 3162 } 3163 3164 static void ath10k_bss_disassoc(struct ieee80211_hw *hw, 3165 struct ieee80211_vif *vif) 3166 { 3167 struct ath10k *ar = hw->priv; 3168 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3169 struct ieee80211_sta_vht_cap vht_cap = {}; 3170 int ret; 3171 3172 lockdep_assert_held(&ar->conf_mutex); 3173 3174 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", 3175 arvif->vdev_id, arvif->bssid); 3176 3177 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); 3178 if (ret) 3179 ath10k_warn(ar, "failed to down vdev %i: %d\n", 3180 arvif->vdev_id, ret); 3181 3182 arvif->def_wep_key_idx = -1; 3183 3184 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); 3185 if (ret) { 3186 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n", 3187 arvif->vdev_id, ret); 3188 return; 3189 } 3190 3191 arvif->is_up = false; 3192 3193 ath10k_mac_txpower_recalc(ar); 3194 3195 cancel_delayed_work_sync(&arvif->connection_loss_work); 3196 } 3197 3198 static int ath10k_new_peer_tid_config(struct ath10k *ar, 3199 struct ieee80211_sta *sta, 3200 struct ath10k_vif *arvif) 3201 { 3202 struct wmi_per_peer_per_tid_cfg_arg arg = {}; 3203 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 3204 bool config_apply; 3205 int ret, i; 3206 3207 for (i = 0; i < ATH10K_TID_MAX; i++) { 3208 config_apply = false; 3209 if (arvif->retry_long[i] || arvif->ampdu[i] || 3210 arvif->rate_ctrl[i] || arvif->rtscts[i]) { 3211 config_apply = true; 3212 arg.tid = i; 3213 arg.vdev_id = arvif->vdev_id; 3214 arg.retry_count = arvif->retry_long[i]; 3215 arg.aggr_control = arvif->ampdu[i]; 3216 arg.rate_ctrl = arvif->rate_ctrl[i]; 3217 arg.rcode_flags = arvif->rate_code[i]; 3218 3219 if (arvif->rtscts[i]) 3220 arg.ext_tid_cfg_bitmap = 3221 WMI_EXT_TID_RTS_CTS_CONFIG; 3222 else 3223 arg.ext_tid_cfg_bitmap = 0; 3224 3225 arg.rtscts_ctrl = arvif->rtscts[i]; 3226 } 3227 3228 if (arvif->noack[i]) { 3229 arg.ack_policy = arvif->noack[i]; 3230 arg.rate_ctrl = WMI_TID_CONFIG_RATE_CONTROL_DEFAULT_LOWEST_RATE; 3231 arg.aggr_control = WMI_TID_CONFIG_AGGR_CONTROL_DISABLE; 3232 config_apply = true; 3233 } 3234 3235 /* Assign default value(-1) to newly connected station. 3236 * This is to identify station specific tid configuration not 3237 * configured for the station. 3238 */ 3239 arsta->retry_long[i] = -1; 3240 arsta->noack[i] = -1; 3241 arsta->ampdu[i] = -1; 3242 3243 if (!config_apply) 3244 continue; 3245 3246 ether_addr_copy(arg.peer_macaddr.addr, sta->addr); 3247 3248 ret = ath10k_wmi_set_per_peer_per_tid_cfg(ar, &arg); 3249 if (ret) { 3250 ath10k_warn(ar, "failed to set per tid retry/aggr config for sta %pM: %d\n", 3251 sta->addr, ret); 3252 return ret; 3253 } 3254 3255 memset(&arg, 0, sizeof(arg)); 3256 } 3257 3258 return 0; 3259 } 3260 3261 static int ath10k_station_assoc(struct ath10k *ar, 3262 struct ieee80211_vif *vif, 3263 struct ieee80211_sta *sta, 3264 bool reassoc) 3265 { 3266 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3267 struct wmi_peer_assoc_complete_arg peer_arg; 3268 int ret = 0; 3269 3270 lockdep_assert_held(&ar->conf_mutex); 3271 3272 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg); 3273 if (ret) { 3274 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n", 3275 sta->addr, arvif->vdev_id, ret); 3276 return ret; 3277 } 3278 3279 ret = ath10k_wmi_peer_assoc(ar, &peer_arg); 3280 if (ret) { 3281 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n", 3282 sta->addr, arvif->vdev_id, ret); 3283 return ret; 3284 } 3285 3286 /* Re-assoc is run only to update supported rates for given station. It 3287 * doesn't make much sense to reconfigure the peer completely. 3288 */ 3289 if (!reassoc) { 3290 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, 3291 &sta->deflink.ht_cap); 3292 if (ret) { 3293 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", 3294 arvif->vdev_id, ret); 3295 return ret; 3296 } 3297 3298 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); 3299 if (ret) { 3300 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", 3301 sta->addr, arvif->vdev_id, ret); 3302 return ret; 3303 } 3304 3305 if (!sta->wme) { 3306 arvif->num_legacy_stations++; 3307 ret = ath10k_recalc_rtscts_prot(arvif); 3308 if (ret) { 3309 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", 3310 arvif->vdev_id, ret); 3311 return ret; 3312 } 3313 } 3314 3315 /* Plumb cached keys only for static WEP */ 3316 if ((arvif->def_wep_key_idx != -1) && (!sta->tdls)) { 3317 ret = ath10k_install_peer_wep_keys(arvif, sta->addr); 3318 if (ret) { 3319 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", 3320 arvif->vdev_id, ret); 3321 return ret; 3322 } 3323 } 3324 } 3325 3326 if (!test_bit(WMI_SERVICE_PEER_TID_CONFIGS_SUPPORT, ar->wmi.svc_map)) 3327 return ret; 3328 3329 return ath10k_new_peer_tid_config(ar, sta, arvif); 3330 } 3331 3332 static int ath10k_station_disassoc(struct ath10k *ar, 3333 struct ieee80211_vif *vif, 3334 struct ieee80211_sta *sta) 3335 { 3336 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3337 int ret = 0; 3338 3339 lockdep_assert_held(&ar->conf_mutex); 3340 3341 if (!sta->wme) { 3342 arvif->num_legacy_stations--; 3343 ret = ath10k_recalc_rtscts_prot(arvif); 3344 if (ret) { 3345 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", 3346 arvif->vdev_id, ret); 3347 return ret; 3348 } 3349 } 3350 3351 ret = ath10k_clear_peer_keys(arvif, sta->addr); 3352 if (ret) { 3353 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n", 3354 arvif->vdev_id, ret); 3355 return ret; 3356 } 3357 3358 return ret; 3359 } 3360 3361 /**************/ 3362 /* Regulatory */ 3363 /**************/ 3364 3365 static int ath10k_update_channel_list(struct ath10k *ar) 3366 { 3367 struct ieee80211_hw *hw = ar->hw; 3368 struct ieee80211_supported_band **bands; 3369 enum nl80211_band band; 3370 struct ieee80211_channel *channel; 3371 struct wmi_scan_chan_list_arg arg = {0}; 3372 struct wmi_channel_arg *ch; 3373 bool passive; 3374 int len; 3375 int ret; 3376 int i; 3377 3378 lockdep_assert_held(&ar->conf_mutex); 3379 3380 bands = hw->wiphy->bands; 3381 for (band = 0; band < NUM_NL80211_BANDS; band++) { 3382 if (!bands[band]) 3383 continue; 3384 3385 for (i = 0; i < bands[band]->n_channels; i++) { 3386 if (bands[band]->channels[i].flags & 3387 IEEE80211_CHAN_DISABLED) 3388 continue; 3389 3390 arg.n_channels++; 3391 } 3392 } 3393 3394 len = sizeof(struct wmi_channel_arg) * arg.n_channels; 3395 arg.channels = kzalloc(len, GFP_KERNEL); 3396 if (!arg.channels) 3397 return -ENOMEM; 3398 3399 ch = arg.channels; 3400 for (band = 0; band < NUM_NL80211_BANDS; band++) { 3401 if (!bands[band]) 3402 continue; 3403 3404 for (i = 0; i < bands[band]->n_channels; i++) { 3405 channel = &bands[band]->channels[i]; 3406 3407 if (channel->flags & IEEE80211_CHAN_DISABLED) 3408 continue; 3409 3410 ch->allow_ht = true; 3411 3412 /* FIXME: when should we really allow VHT? */ 3413 ch->allow_vht = true; 3414 3415 ch->allow_ibss = 3416 !(channel->flags & IEEE80211_CHAN_NO_IR); 3417 3418 ch->ht40plus = 3419 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS); 3420 3421 ch->chan_radar = 3422 !!(channel->flags & IEEE80211_CHAN_RADAR); 3423 3424 passive = channel->flags & IEEE80211_CHAN_NO_IR; 3425 ch->passive = passive; 3426 3427 /* the firmware is ignoring the "radar" flag of the 3428 * channel and is scanning actively using Probe Requests 3429 * on "Radar detection"/DFS channels which are not 3430 * marked as "available" 3431 */ 3432 ch->passive |= ch->chan_radar; 3433 3434 ch->freq = channel->center_freq; 3435 ch->band_center_freq1 = channel->center_freq; 3436 ch->min_power = 0; 3437 ch->max_power = channel->max_power * 2; 3438 ch->max_reg_power = channel->max_reg_power * 2; 3439 ch->max_antenna_gain = channel->max_antenna_gain; 3440 ch->reg_class_id = 0; /* FIXME */ 3441 3442 /* FIXME: why use only legacy modes, why not any 3443 * HT/VHT modes? Would that even make any 3444 * difference? 3445 */ 3446 if (channel->band == NL80211_BAND_2GHZ) 3447 ch->mode = MODE_11G; 3448 else 3449 ch->mode = MODE_11A; 3450 3451 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN)) 3452 continue; 3453 3454 ath10k_dbg(ar, ATH10K_DBG_WMI, 3455 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n", 3456 ch - arg.channels, arg.n_channels, 3457 ch->freq, ch->max_power, ch->max_reg_power, 3458 ch->max_antenna_gain, ch->mode); 3459 3460 ch++; 3461 } 3462 } 3463 3464 ret = ath10k_wmi_scan_chan_list(ar, &arg); 3465 kfree(arg.channels); 3466 3467 return ret; 3468 } 3469 3470 static enum wmi_dfs_region 3471 ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region) 3472 { 3473 switch (dfs_region) { 3474 case NL80211_DFS_UNSET: 3475 return WMI_UNINIT_DFS_DOMAIN; 3476 case NL80211_DFS_FCC: 3477 return WMI_FCC_DFS_DOMAIN; 3478 case NL80211_DFS_ETSI: 3479 return WMI_ETSI_DFS_DOMAIN; 3480 case NL80211_DFS_JP: 3481 return WMI_MKK4_DFS_DOMAIN; 3482 } 3483 return WMI_UNINIT_DFS_DOMAIN; 3484 } 3485 3486 static void ath10k_regd_update(struct ath10k *ar) 3487 { 3488 struct reg_dmn_pair_mapping *regpair; 3489 int ret; 3490 enum wmi_dfs_region wmi_dfs_reg; 3491 enum nl80211_dfs_regions nl_dfs_reg; 3492 3493 lockdep_assert_held(&ar->conf_mutex); 3494 3495 ret = ath10k_update_channel_list(ar); 3496 if (ret) 3497 ath10k_warn(ar, "failed to update channel list: %d\n", ret); 3498 3499 regpair = ar->ath_common.regulatory.regpair; 3500 3501 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { 3502 nl_dfs_reg = ar->dfs_detector->region; 3503 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg); 3504 } else { 3505 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN; 3506 } 3507 3508 /* Target allows setting up per-band regdomain but ath_common provides 3509 * a combined one only 3510 */ 3511 ret = ath10k_wmi_pdev_set_regdomain(ar, 3512 regpair->reg_domain, 3513 regpair->reg_domain, /* 2ghz */ 3514 regpair->reg_domain, /* 5ghz */ 3515 regpair->reg_2ghz_ctl, 3516 regpair->reg_5ghz_ctl, 3517 wmi_dfs_reg); 3518 if (ret) 3519 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret); 3520 } 3521 3522 static void ath10k_mac_update_channel_list(struct ath10k *ar, 3523 struct ieee80211_supported_band *band) 3524 { 3525 int i; 3526 3527 if (ar->low_5ghz_chan && ar->high_5ghz_chan) { 3528 for (i = 0; i < band->n_channels; i++) { 3529 if (band->channels[i].center_freq < ar->low_5ghz_chan || 3530 band->channels[i].center_freq > ar->high_5ghz_chan) 3531 band->channels[i].flags |= 3532 IEEE80211_CHAN_DISABLED; 3533 } 3534 } 3535 } 3536 3537 static void ath10k_reg_notifier(struct wiphy *wiphy, 3538 struct regulatory_request *request) 3539 { 3540 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 3541 struct ath10k *ar = hw->priv; 3542 bool result; 3543 3544 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory); 3545 3546 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { 3547 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n", 3548 request->dfs_region); 3549 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector, 3550 request->dfs_region); 3551 if (!result) 3552 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n", 3553 request->dfs_region); 3554 } 3555 3556 mutex_lock(&ar->conf_mutex); 3557 if (ar->state == ATH10K_STATE_ON) 3558 ath10k_regd_update(ar); 3559 mutex_unlock(&ar->conf_mutex); 3560 3561 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) 3562 ath10k_mac_update_channel_list(ar, 3563 ar->hw->wiphy->bands[NL80211_BAND_5GHZ]); 3564 } 3565 3566 static void ath10k_stop_radar_confirmation(struct ath10k *ar) 3567 { 3568 spin_lock_bh(&ar->data_lock); 3569 ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_STOPPED; 3570 spin_unlock_bh(&ar->data_lock); 3571 3572 cancel_work_sync(&ar->radar_confirmation_work); 3573 } 3574 3575 /***************/ 3576 /* TX handlers */ 3577 /***************/ 3578 3579 enum ath10k_mac_tx_path { 3580 ATH10K_MAC_TX_HTT, 3581 ATH10K_MAC_TX_HTT_MGMT, 3582 ATH10K_MAC_TX_WMI_MGMT, 3583 ATH10K_MAC_TX_UNKNOWN, 3584 }; 3585 3586 void ath10k_mac_tx_lock(struct ath10k *ar, int reason) 3587 { 3588 lockdep_assert_held(&ar->htt.tx_lock); 3589 3590 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX); 3591 ar->tx_paused |= BIT(reason); 3592 ieee80211_stop_queues(ar->hw); 3593 } 3594 3595 static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac, 3596 struct ieee80211_vif *vif) 3597 { 3598 struct ath10k *ar = data; 3599 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3600 3601 if (arvif->tx_paused) 3602 return; 3603 3604 ieee80211_wake_queue(ar->hw, arvif->vdev_id); 3605 } 3606 3607 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason) 3608 { 3609 lockdep_assert_held(&ar->htt.tx_lock); 3610 3611 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX); 3612 ar->tx_paused &= ~BIT(reason); 3613 3614 if (ar->tx_paused) 3615 return; 3616 3617 ieee80211_iterate_active_interfaces_atomic(ar->hw, 3618 ATH10K_ITER_RESUME_FLAGS, 3619 ath10k_mac_tx_unlock_iter, 3620 ar); 3621 3622 ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue); 3623 } 3624 3625 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason) 3626 { 3627 struct ath10k *ar = arvif->ar; 3628 3629 lockdep_assert_held(&ar->htt.tx_lock); 3630 3631 WARN_ON(reason >= BITS_PER_LONG); 3632 arvif->tx_paused |= BIT(reason); 3633 ieee80211_stop_queue(ar->hw, arvif->vdev_id); 3634 } 3635 3636 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason) 3637 { 3638 struct ath10k *ar = arvif->ar; 3639 3640 lockdep_assert_held(&ar->htt.tx_lock); 3641 3642 WARN_ON(reason >= BITS_PER_LONG); 3643 arvif->tx_paused &= ~BIT(reason); 3644 3645 if (ar->tx_paused) 3646 return; 3647 3648 if (arvif->tx_paused) 3649 return; 3650 3651 ieee80211_wake_queue(ar->hw, arvif->vdev_id); 3652 } 3653 3654 static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif, 3655 enum wmi_tlv_tx_pause_id pause_id, 3656 enum wmi_tlv_tx_pause_action action) 3657 { 3658 struct ath10k *ar = arvif->ar; 3659 3660 lockdep_assert_held(&ar->htt.tx_lock); 3661 3662 switch (action) { 3663 case WMI_TLV_TX_PAUSE_ACTION_STOP: 3664 ath10k_mac_vif_tx_lock(arvif, pause_id); 3665 break; 3666 case WMI_TLV_TX_PAUSE_ACTION_WAKE: 3667 ath10k_mac_vif_tx_unlock(arvif, pause_id); 3668 break; 3669 default: 3670 ath10k_dbg(ar, ATH10K_DBG_BOOT, 3671 "received unknown tx pause action %d on vdev %i, ignoring\n", 3672 action, arvif->vdev_id); 3673 break; 3674 } 3675 } 3676 3677 struct ath10k_mac_tx_pause { 3678 u32 vdev_id; 3679 enum wmi_tlv_tx_pause_id pause_id; 3680 enum wmi_tlv_tx_pause_action action; 3681 }; 3682 3683 static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac, 3684 struct ieee80211_vif *vif) 3685 { 3686 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3687 struct ath10k_mac_tx_pause *arg = data; 3688 3689 if (arvif->vdev_id != arg->vdev_id) 3690 return; 3691 3692 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action); 3693 } 3694 3695 void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id, 3696 enum wmi_tlv_tx_pause_id pause_id, 3697 enum wmi_tlv_tx_pause_action action) 3698 { 3699 struct ath10k_mac_tx_pause arg = { 3700 .vdev_id = vdev_id, 3701 .pause_id = pause_id, 3702 .action = action, 3703 }; 3704 3705 spin_lock_bh(&ar->htt.tx_lock); 3706 ieee80211_iterate_active_interfaces_atomic(ar->hw, 3707 ATH10K_ITER_RESUME_FLAGS, 3708 ath10k_mac_handle_tx_pause_iter, 3709 &arg); 3710 spin_unlock_bh(&ar->htt.tx_lock); 3711 } 3712 3713 static enum ath10k_hw_txrx_mode 3714 ath10k_mac_tx_h_get_txmode(struct ath10k *ar, 3715 struct ieee80211_vif *vif, 3716 struct ieee80211_sta *sta, 3717 struct sk_buff *skb) 3718 { 3719 const struct ieee80211_hdr *hdr = (void *)skb->data; 3720 const struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb); 3721 __le16 fc = hdr->frame_control; 3722 3723 if (IEEE80211_SKB_CB(skb)->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) 3724 return ATH10K_HW_TXRX_ETHERNET; 3725 3726 if (!vif || vif->type == NL80211_IFTYPE_MONITOR) 3727 return ATH10K_HW_TXRX_RAW; 3728 3729 if (ieee80211_is_mgmt(fc)) 3730 return ATH10K_HW_TXRX_MGMT; 3731 3732 /* Workaround: 3733 * 3734 * NullFunc frames are mostly used to ping if a client or AP are still 3735 * reachable and responsive. This implies tx status reports must be 3736 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can 3737 * come to a conclusion that the other end disappeared and tear down 3738 * BSS connection or it can never disconnect from BSS/client (which is 3739 * the case). 3740 * 3741 * Firmware with HTT older than 3.0 delivers incorrect tx status for 3742 * NullFunc frames to driver. However there's a HTT Mgmt Tx command 3743 * which seems to deliver correct tx reports for NullFunc frames. The 3744 * downside of using it is it ignores client powersave state so it can 3745 * end up disconnecting sleeping clients in AP mode. It should fix STA 3746 * mode though because AP don't sleep. 3747 */ 3748 if (ar->htt.target_version_major < 3 && 3749 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) && 3750 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, 3751 ar->running_fw->fw_file.fw_features)) 3752 return ATH10K_HW_TXRX_MGMT; 3753 3754 /* Workaround: 3755 * 3756 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for 3757 * NativeWifi txmode - it selects AP key instead of peer key. It seems 3758 * to work with Ethernet txmode so use it. 3759 * 3760 * FIXME: Check if raw mode works with TDLS. 3761 */ 3762 if (ieee80211_is_data_present(fc) && sta && sta->tdls) 3763 return ATH10K_HW_TXRX_ETHERNET; 3764 3765 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags) || 3766 skb_cb->flags & ATH10K_SKB_F_RAW_TX) 3767 return ATH10K_HW_TXRX_RAW; 3768 3769 return ATH10K_HW_TXRX_NATIVE_WIFI; 3770 } 3771 3772 static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif, 3773 struct sk_buff *skb) 3774 { 3775 const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 3776 const struct ieee80211_hdr *hdr = (void *)skb->data; 3777 const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT | 3778 IEEE80211_TX_CTL_INJECTED; 3779 3780 if (!ieee80211_has_protected(hdr->frame_control)) 3781 return false; 3782 3783 if ((info->flags & mask) == mask) 3784 return false; 3785 3786 if (vif) 3787 return !((struct ath10k_vif *)vif->drv_priv)->nohwcrypt; 3788 3789 return true; 3790 } 3791 3792 /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS 3793 * Control in the header. 3794 */ 3795 static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb) 3796 { 3797 struct ieee80211_hdr *hdr = (void *)skb->data; 3798 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); 3799 u8 *qos_ctl; 3800 3801 if (!ieee80211_is_data_qos(hdr->frame_control)) 3802 return; 3803 3804 qos_ctl = ieee80211_get_qos_ctl(hdr); 3805 memmove(skb->data + IEEE80211_QOS_CTL_LEN, 3806 skb->data, (void *)qos_ctl - (void *)skb->data); 3807 skb_pull(skb, IEEE80211_QOS_CTL_LEN); 3808 3809 /* Some firmware revisions don't handle sending QoS NullFunc well. 3810 * These frames are mainly used for CQM purposes so it doesn't really 3811 * matter whether QoS NullFunc or NullFunc are sent. 3812 */ 3813 hdr = (void *)skb->data; 3814 if (ieee80211_is_qos_nullfunc(hdr->frame_control)) 3815 cb->flags &= ~ATH10K_SKB_F_QOS; 3816 3817 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA); 3818 } 3819 3820 static void ath10k_tx_h_8023(struct sk_buff *skb) 3821 { 3822 struct ieee80211_hdr *hdr; 3823 struct rfc1042_hdr *rfc1042; 3824 struct ethhdr *eth; 3825 size_t hdrlen; 3826 u8 da[ETH_ALEN]; 3827 u8 sa[ETH_ALEN]; 3828 __be16 type; 3829 3830 hdr = (void *)skb->data; 3831 hdrlen = ieee80211_hdrlen(hdr->frame_control); 3832 rfc1042 = (void *)skb->data + hdrlen; 3833 3834 ether_addr_copy(da, ieee80211_get_DA(hdr)); 3835 ether_addr_copy(sa, ieee80211_get_SA(hdr)); 3836 type = rfc1042->snap_type; 3837 3838 skb_pull(skb, hdrlen + sizeof(*rfc1042)); 3839 skb_push(skb, sizeof(*eth)); 3840 3841 eth = (void *)skb->data; 3842 ether_addr_copy(eth->h_dest, da); 3843 ether_addr_copy(eth->h_source, sa); 3844 eth->h_proto = type; 3845 } 3846 3847 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, 3848 struct ieee80211_vif *vif, 3849 struct sk_buff *skb) 3850 { 3851 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 3852 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3853 3854 /* This is case only for P2P_GO */ 3855 if (vif->type != NL80211_IFTYPE_AP || !vif->p2p) 3856 return; 3857 3858 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) { 3859 spin_lock_bh(&ar->data_lock); 3860 if (arvif->u.ap.noa_data) 3861 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, 3862 GFP_ATOMIC)) 3863 skb_put_data(skb, arvif->u.ap.noa_data, 3864 arvif->u.ap.noa_len); 3865 spin_unlock_bh(&ar->data_lock); 3866 } 3867 } 3868 3869 static void ath10k_mac_tx_h_fill_cb(struct ath10k *ar, 3870 struct ieee80211_vif *vif, 3871 struct ieee80211_txq *txq, 3872 struct ieee80211_sta *sta, 3873 struct sk_buff *skb, u16 airtime) 3874 { 3875 struct ieee80211_hdr *hdr = (void *)skb->data; 3876 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); 3877 const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 3878 bool is_data = ieee80211_is_data(hdr->frame_control) || 3879 ieee80211_is_data_qos(hdr->frame_control); 3880 struct ath10k_vif *arvif = (void *)vif->drv_priv; 3881 struct ath10k_sta *arsta; 3882 u8 tid, *qos_ctl; 3883 bool noack = false; 3884 3885 cb->flags = 0; 3886 3887 if (info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) { 3888 cb->flags |= ATH10K_SKB_F_QOS; /* Assume data frames are QoS */ 3889 goto finish_cb_fill; 3890 } 3891 3892 if (!ath10k_tx_h_use_hwcrypto(vif, skb)) 3893 cb->flags |= ATH10K_SKB_F_NO_HWCRYPT; 3894 3895 if (ieee80211_is_mgmt(hdr->frame_control)) 3896 cb->flags |= ATH10K_SKB_F_MGMT; 3897 3898 if (ieee80211_is_data_qos(hdr->frame_control)) { 3899 cb->flags |= ATH10K_SKB_F_QOS; 3900 qos_ctl = ieee80211_get_qos_ctl(hdr); 3901 tid = (*qos_ctl) & IEEE80211_QOS_CTL_TID_MASK; 3902 3903 if (arvif->noack[tid] == WMI_PEER_TID_CONFIG_NOACK) 3904 noack = true; 3905 3906 if (sta) { 3907 arsta = (struct ath10k_sta *)sta->drv_priv; 3908 3909 if (arsta->noack[tid] == WMI_PEER_TID_CONFIG_NOACK) 3910 noack = true; 3911 3912 if (arsta->noack[tid] == WMI_PEER_TID_CONFIG_ACK) 3913 noack = false; 3914 } 3915 3916 if (noack) 3917 cb->flags |= ATH10K_SKB_F_NOACK_TID; 3918 } 3919 3920 /* Data frames encrypted in software will be posted to firmware 3921 * with tx encap mode set to RAW. Ex: Multicast traffic generated 3922 * for a specific VLAN group will always be encrypted in software. 3923 */ 3924 if (is_data && ieee80211_has_protected(hdr->frame_control) && 3925 !info->control.hw_key) { 3926 cb->flags |= ATH10K_SKB_F_NO_HWCRYPT; 3927 cb->flags |= ATH10K_SKB_F_RAW_TX; 3928 } 3929 3930 finish_cb_fill: 3931 cb->vif = vif; 3932 cb->txq = txq; 3933 cb->airtime_est = airtime; 3934 if (sta) { 3935 arsta = (struct ath10k_sta *)sta->drv_priv; 3936 spin_lock_bh(&ar->data_lock); 3937 cb->ucast_cipher = arsta->ucast_cipher; 3938 spin_unlock_bh(&ar->data_lock); 3939 } 3940 } 3941 3942 bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar) 3943 { 3944 /* FIXME: Not really sure since when the behaviour changed. At some 3945 * point new firmware stopped requiring creation of peer entries for 3946 * offchannel tx (and actually creating them causes issues with wmi-htc 3947 * tx credit replenishment and reliability). Assuming it's at least 3.4 3948 * because that's when the `freq` was introduced to TX_FRM HTT command. 3949 */ 3950 return (ar->htt.target_version_major >= 3 && 3951 ar->htt.target_version_minor >= 4 && 3952 ar->running_fw->fw_file.htt_op_version == ATH10K_FW_HTT_OP_VERSION_TLV); 3953 } 3954 3955 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb) 3956 { 3957 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; 3958 3959 if (skb_queue_len_lockless(q) >= ATH10K_MAX_NUM_MGMT_PENDING) { 3960 ath10k_warn(ar, "wmi mgmt tx queue is full\n"); 3961 return -ENOSPC; 3962 } 3963 3964 skb_queue_tail(q, skb); 3965 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); 3966 3967 return 0; 3968 } 3969 3970 static enum ath10k_mac_tx_path 3971 ath10k_mac_tx_h_get_txpath(struct ath10k *ar, 3972 struct sk_buff *skb, 3973 enum ath10k_hw_txrx_mode txmode) 3974 { 3975 switch (txmode) { 3976 case ATH10K_HW_TXRX_RAW: 3977 case ATH10K_HW_TXRX_NATIVE_WIFI: 3978 case ATH10K_HW_TXRX_ETHERNET: 3979 return ATH10K_MAC_TX_HTT; 3980 case ATH10K_HW_TXRX_MGMT: 3981 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, 3982 ar->running_fw->fw_file.fw_features) || 3983 test_bit(WMI_SERVICE_MGMT_TX_WMI, 3984 ar->wmi.svc_map)) 3985 return ATH10K_MAC_TX_WMI_MGMT; 3986 else if (ar->htt.target_version_major >= 3) 3987 return ATH10K_MAC_TX_HTT; 3988 else 3989 return ATH10K_MAC_TX_HTT_MGMT; 3990 } 3991 3992 return ATH10K_MAC_TX_UNKNOWN; 3993 } 3994 3995 static int ath10k_mac_tx_submit(struct ath10k *ar, 3996 enum ath10k_hw_txrx_mode txmode, 3997 enum ath10k_mac_tx_path txpath, 3998 struct sk_buff *skb) 3999 { 4000 struct ath10k_htt *htt = &ar->htt; 4001 int ret = -EINVAL; 4002 4003 switch (txpath) { 4004 case ATH10K_MAC_TX_HTT: 4005 ret = ath10k_htt_tx(htt, txmode, skb); 4006 break; 4007 case ATH10K_MAC_TX_HTT_MGMT: 4008 ret = ath10k_htt_mgmt_tx(htt, skb); 4009 break; 4010 case ATH10K_MAC_TX_WMI_MGMT: 4011 ret = ath10k_mac_tx_wmi_mgmt(ar, skb); 4012 break; 4013 case ATH10K_MAC_TX_UNKNOWN: 4014 WARN_ON_ONCE(1); 4015 ret = -EINVAL; 4016 break; 4017 } 4018 4019 if (ret) { 4020 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n", 4021 ret); 4022 ieee80211_free_txskb(ar->hw, skb); 4023 } 4024 4025 return ret; 4026 } 4027 4028 /* This function consumes the sk_buff regardless of return value as far as 4029 * caller is concerned so no freeing is necessary afterwards. 4030 */ 4031 static int ath10k_mac_tx(struct ath10k *ar, 4032 struct ieee80211_vif *vif, 4033 enum ath10k_hw_txrx_mode txmode, 4034 enum ath10k_mac_tx_path txpath, 4035 struct sk_buff *skb, bool noque_offchan) 4036 { 4037 struct ieee80211_hw *hw = ar->hw; 4038 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 4039 const struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb); 4040 int ret; 4041 4042 /* We should disable CCK RATE due to P2P */ 4043 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE) 4044 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n"); 4045 4046 switch (txmode) { 4047 case ATH10K_HW_TXRX_MGMT: 4048 case ATH10K_HW_TXRX_NATIVE_WIFI: 4049 ath10k_tx_h_nwifi(hw, skb); 4050 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb); 4051 ath10k_tx_h_seq_no(vif, skb); 4052 break; 4053 case ATH10K_HW_TXRX_ETHERNET: 4054 /* Convert 802.11->802.3 header only if the frame was earlier 4055 * encapsulated to 802.11 by mac80211. Otherwise pass it as is. 4056 */ 4057 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) 4058 ath10k_tx_h_8023(skb); 4059 break; 4060 case ATH10K_HW_TXRX_RAW: 4061 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags) && 4062 !(skb_cb->flags & ATH10K_SKB_F_RAW_TX)) { 4063 WARN_ON_ONCE(1); 4064 ieee80211_free_txskb(hw, skb); 4065 return -ENOTSUPP; 4066 } 4067 } 4068 4069 if (!noque_offchan && info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { 4070 if (!ath10k_mac_tx_frm_has_freq(ar)) { 4071 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac queued offchannel skb %pK len %d\n", 4072 skb, skb->len); 4073 4074 skb_queue_tail(&ar->offchan_tx_queue, skb); 4075 ieee80211_queue_work(hw, &ar->offchan_tx_work); 4076 return 0; 4077 } 4078 } 4079 4080 ret = ath10k_mac_tx_submit(ar, txmode, txpath, skb); 4081 if (ret) { 4082 ath10k_warn(ar, "failed to submit frame: %d\n", ret); 4083 return ret; 4084 } 4085 4086 return 0; 4087 } 4088 4089 void ath10k_offchan_tx_purge(struct ath10k *ar) 4090 { 4091 struct sk_buff *skb; 4092 4093 for (;;) { 4094 skb = skb_dequeue(&ar->offchan_tx_queue); 4095 if (!skb) 4096 break; 4097 4098 ieee80211_free_txskb(ar->hw, skb); 4099 } 4100 } 4101 4102 void ath10k_offchan_tx_work(struct work_struct *work) 4103 { 4104 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work); 4105 struct ath10k_peer *peer; 4106 struct ath10k_vif *arvif; 4107 enum ath10k_hw_txrx_mode txmode; 4108 enum ath10k_mac_tx_path txpath; 4109 struct ieee80211_hdr *hdr; 4110 struct ieee80211_vif *vif; 4111 struct ieee80211_sta *sta; 4112 struct sk_buff *skb; 4113 const u8 *peer_addr; 4114 int vdev_id; 4115 int ret; 4116 unsigned long time_left; 4117 bool tmp_peer_created = false; 4118 4119 /* FW requirement: We must create a peer before FW will send out 4120 * an offchannel frame. Otherwise the frame will be stuck and 4121 * never transmitted. We delete the peer upon tx completion. 4122 * It is unlikely that a peer for offchannel tx will already be 4123 * present. However it may be in some rare cases so account for that. 4124 * Otherwise we might remove a legitimate peer and break stuff. 4125 */ 4126 4127 for (;;) { 4128 skb = skb_dequeue(&ar->offchan_tx_queue); 4129 if (!skb) 4130 break; 4131 4132 mutex_lock(&ar->conf_mutex); 4133 4134 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %pK len %d\n", 4135 skb, skb->len); 4136 4137 hdr = (struct ieee80211_hdr *)skb->data; 4138 peer_addr = ieee80211_get_DA(hdr); 4139 4140 spin_lock_bh(&ar->data_lock); 4141 vdev_id = ar->scan.vdev_id; 4142 peer = ath10k_peer_find(ar, vdev_id, peer_addr); 4143 spin_unlock_bh(&ar->data_lock); 4144 4145 if (peer) { 4146 ath10k_warn(ar, "peer %pM on vdev %d already present\n", 4147 peer_addr, vdev_id); 4148 } else { 4149 ret = ath10k_peer_create(ar, NULL, NULL, vdev_id, 4150 peer_addr, 4151 WMI_PEER_TYPE_DEFAULT); 4152 if (ret) 4153 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n", 4154 peer_addr, vdev_id, ret); 4155 tmp_peer_created = (ret == 0); 4156 } 4157 4158 spin_lock_bh(&ar->data_lock); 4159 reinit_completion(&ar->offchan_tx_completed); 4160 ar->offchan_tx_skb = skb; 4161 spin_unlock_bh(&ar->data_lock); 4162 4163 /* It's safe to access vif and sta - conf_mutex guarantees that 4164 * sta_state() and remove_interface() are locked exclusively 4165 * out wrt to this offchannel worker. 4166 */ 4167 arvif = ath10k_get_arvif(ar, vdev_id); 4168 if (arvif) { 4169 vif = arvif->vif; 4170 sta = ieee80211_find_sta(vif, peer_addr); 4171 } else { 4172 vif = NULL; 4173 sta = NULL; 4174 } 4175 4176 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb); 4177 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode); 4178 4179 ret = ath10k_mac_tx(ar, vif, txmode, txpath, skb, true); 4180 if (ret) { 4181 ath10k_warn(ar, "failed to transmit offchannel frame: %d\n", 4182 ret); 4183 /* not serious */ 4184 } 4185 4186 time_left = 4187 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ); 4188 if (time_left == 0) 4189 ath10k_warn(ar, "timed out waiting for offchannel skb %pK, len: %d\n", 4190 skb, skb->len); 4191 4192 if (!peer && tmp_peer_created) { 4193 ret = ath10k_peer_delete(ar, vdev_id, peer_addr); 4194 if (ret) 4195 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n", 4196 peer_addr, vdev_id, ret); 4197 } 4198 4199 mutex_unlock(&ar->conf_mutex); 4200 } 4201 } 4202 4203 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar) 4204 { 4205 struct sk_buff *skb; 4206 4207 for (;;) { 4208 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); 4209 if (!skb) 4210 break; 4211 4212 ieee80211_free_txskb(ar->hw, skb); 4213 } 4214 } 4215 4216 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work) 4217 { 4218 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work); 4219 struct sk_buff *skb; 4220 dma_addr_t paddr; 4221 int ret; 4222 4223 for (;;) { 4224 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); 4225 if (!skb) 4226 break; 4227 4228 if (test_bit(ATH10K_FW_FEATURE_MGMT_TX_BY_REF, 4229 ar->running_fw->fw_file.fw_features)) { 4230 paddr = dma_map_single(ar->dev, skb->data, 4231 skb->len, DMA_TO_DEVICE); 4232 if (dma_mapping_error(ar->dev, paddr)) { 4233 ieee80211_free_txskb(ar->hw, skb); 4234 continue; 4235 } 4236 ret = ath10k_wmi_mgmt_tx_send(ar, skb, paddr); 4237 if (ret) { 4238 ath10k_warn(ar, "failed to transmit management frame by ref via WMI: %d\n", 4239 ret); 4240 /* remove this msdu from idr tracking */ 4241 ath10k_wmi_cleanup_mgmt_tx_send(ar, skb); 4242 4243 dma_unmap_single(ar->dev, paddr, skb->len, 4244 DMA_TO_DEVICE); 4245 ieee80211_free_txskb(ar->hw, skb); 4246 } 4247 } else { 4248 ret = ath10k_wmi_mgmt_tx(ar, skb); 4249 if (ret) { 4250 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n", 4251 ret); 4252 ieee80211_free_txskb(ar->hw, skb); 4253 } 4254 } 4255 } 4256 } 4257 4258 static void ath10k_mac_txq_init(struct ieee80211_txq *txq) 4259 { 4260 struct ath10k_txq *artxq; 4261 4262 if (!txq) 4263 return; 4264 4265 artxq = (void *)txq->drv_priv; 4266 INIT_LIST_HEAD(&artxq->list); 4267 } 4268 4269 static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq) 4270 { 4271 struct ath10k_skb_cb *cb; 4272 struct sk_buff *msdu; 4273 int msdu_id; 4274 4275 if (!txq) 4276 return; 4277 4278 spin_lock_bh(&ar->htt.tx_lock); 4279 idr_for_each_entry(&ar->htt.pending_tx, msdu, msdu_id) { 4280 cb = ATH10K_SKB_CB(msdu); 4281 if (cb->txq == txq) 4282 cb->txq = NULL; 4283 } 4284 spin_unlock_bh(&ar->htt.tx_lock); 4285 } 4286 4287 struct ieee80211_txq *ath10k_mac_txq_lookup(struct ath10k *ar, 4288 u16 peer_id, 4289 u8 tid) 4290 { 4291 struct ath10k_peer *peer; 4292 4293 lockdep_assert_held(&ar->data_lock); 4294 4295 peer = ar->peer_map[peer_id]; 4296 if (!peer) 4297 return NULL; 4298 4299 if (peer->removed) 4300 return NULL; 4301 4302 if (peer->sta) 4303 return peer->sta->txq[tid]; 4304 else if (peer->vif) 4305 return peer->vif->txq; 4306 else 4307 return NULL; 4308 } 4309 4310 static bool ath10k_mac_tx_can_push(struct ieee80211_hw *hw, 4311 struct ieee80211_txq *txq) 4312 { 4313 struct ath10k *ar = hw->priv; 4314 struct ath10k_txq *artxq = (void *)txq->drv_priv; 4315 4316 /* No need to get locks */ 4317 if (ar->htt.tx_q_state.mode == HTT_TX_MODE_SWITCH_PUSH) 4318 return true; 4319 4320 if (ar->htt.num_pending_tx < ar->htt.tx_q_state.num_push_allowed) 4321 return true; 4322 4323 if (artxq->num_fw_queued < artxq->num_push_allowed) 4324 return true; 4325 4326 return false; 4327 } 4328 4329 /* Return estimated airtime in microsecond, which is calculated using last 4330 * reported TX rate. This is just a rough estimation because host driver has no 4331 * knowledge of the actual transmit rate, retries or aggregation. If actual 4332 * airtime can be reported by firmware, then delta between estimated and actual 4333 * airtime can be adjusted from deficit. 4334 */ 4335 #define IEEE80211_ATF_OVERHEAD 100 /* IFS + some slot time */ 4336 #define IEEE80211_ATF_OVERHEAD_IFS 16 /* IFS only */ 4337 static u16 ath10k_mac_update_airtime(struct ath10k *ar, 4338 struct ieee80211_txq *txq, 4339 struct sk_buff *skb) 4340 { 4341 struct ath10k_sta *arsta; 4342 u32 pktlen; 4343 u16 airtime = 0; 4344 4345 if (!txq || !txq->sta) 4346 return airtime; 4347 4348 if (test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map)) 4349 return airtime; 4350 4351 spin_lock_bh(&ar->data_lock); 4352 arsta = (struct ath10k_sta *)txq->sta->drv_priv; 4353 4354 pktlen = skb->len + 38; /* Assume MAC header 30, SNAP 8 for most case */ 4355 if (arsta->last_tx_bitrate) { 4356 /* airtime in us, last_tx_bitrate in 100kbps */ 4357 airtime = (pktlen * 8 * (1000 / 100)) 4358 / arsta->last_tx_bitrate; 4359 /* overhead for media access time and IFS */ 4360 airtime += IEEE80211_ATF_OVERHEAD_IFS; 4361 } else { 4362 /* This is mostly for throttle excessive BC/MC frames, and the 4363 * airtime/rate doesn't need be exact. Airtime of BC/MC frames 4364 * in 2G get some discount, which helps prevent very low rate 4365 * frames from being blocked for too long. 4366 */ 4367 airtime = (pktlen * 8 * (1000 / 100)) / 60; /* 6M */ 4368 airtime += IEEE80211_ATF_OVERHEAD; 4369 } 4370 spin_unlock_bh(&ar->data_lock); 4371 4372 return airtime; 4373 } 4374 4375 int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw, 4376 struct ieee80211_txq *txq) 4377 { 4378 struct ath10k *ar = hw->priv; 4379 struct ath10k_htt *htt = &ar->htt; 4380 struct ath10k_txq *artxq = (void *)txq->drv_priv; 4381 struct ieee80211_vif *vif = txq->vif; 4382 struct ieee80211_sta *sta = txq->sta; 4383 enum ath10k_hw_txrx_mode txmode; 4384 enum ath10k_mac_tx_path txpath; 4385 struct sk_buff *skb; 4386 struct ieee80211_hdr *hdr; 4387 size_t skb_len; 4388 bool is_mgmt, is_presp; 4389 int ret; 4390 u16 airtime; 4391 4392 spin_lock_bh(&ar->htt.tx_lock); 4393 ret = ath10k_htt_tx_inc_pending(htt); 4394 spin_unlock_bh(&ar->htt.tx_lock); 4395 4396 if (ret) 4397 return ret; 4398 4399 skb = ieee80211_tx_dequeue_ni(hw, txq); 4400 if (!skb) { 4401 spin_lock_bh(&ar->htt.tx_lock); 4402 ath10k_htt_tx_dec_pending(htt); 4403 spin_unlock_bh(&ar->htt.tx_lock); 4404 4405 return -ENOENT; 4406 } 4407 4408 airtime = ath10k_mac_update_airtime(ar, txq, skb); 4409 ath10k_mac_tx_h_fill_cb(ar, vif, txq, sta, skb, airtime); 4410 4411 skb_len = skb->len; 4412 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb); 4413 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode); 4414 is_mgmt = (txpath == ATH10K_MAC_TX_HTT_MGMT); 4415 4416 if (is_mgmt) { 4417 hdr = (struct ieee80211_hdr *)skb->data; 4418 is_presp = ieee80211_is_probe_resp(hdr->frame_control); 4419 4420 spin_lock_bh(&ar->htt.tx_lock); 4421 ret = ath10k_htt_tx_mgmt_inc_pending(htt, is_mgmt, is_presp); 4422 4423 if (ret) { 4424 ath10k_htt_tx_dec_pending(htt); 4425 spin_unlock_bh(&ar->htt.tx_lock); 4426 return ret; 4427 } 4428 spin_unlock_bh(&ar->htt.tx_lock); 4429 } 4430 4431 ret = ath10k_mac_tx(ar, vif, txmode, txpath, skb, false); 4432 if (unlikely(ret)) { 4433 ath10k_warn(ar, "failed to push frame: %d\n", ret); 4434 4435 spin_lock_bh(&ar->htt.tx_lock); 4436 ath10k_htt_tx_dec_pending(htt); 4437 if (is_mgmt) 4438 ath10k_htt_tx_mgmt_dec_pending(htt); 4439 spin_unlock_bh(&ar->htt.tx_lock); 4440 4441 return ret; 4442 } 4443 4444 spin_lock_bh(&ar->htt.tx_lock); 4445 artxq->num_fw_queued++; 4446 spin_unlock_bh(&ar->htt.tx_lock); 4447 4448 return skb_len; 4449 } 4450 4451 static int ath10k_mac_schedule_txq(struct ieee80211_hw *hw, u32 ac) 4452 { 4453 struct ieee80211_txq *txq; 4454 int ret = 0; 4455 4456 ieee80211_txq_schedule_start(hw, ac); 4457 while ((txq = ieee80211_next_txq(hw, ac))) { 4458 while (ath10k_mac_tx_can_push(hw, txq)) { 4459 ret = ath10k_mac_tx_push_txq(hw, txq); 4460 if (ret < 0) 4461 break; 4462 } 4463 ieee80211_return_txq(hw, txq, false); 4464 ath10k_htt_tx_txq_update(hw, txq); 4465 if (ret == -EBUSY) 4466 break; 4467 } 4468 ieee80211_txq_schedule_end(hw, ac); 4469 4470 return ret; 4471 } 4472 4473 void ath10k_mac_tx_push_pending(struct ath10k *ar) 4474 { 4475 struct ieee80211_hw *hw = ar->hw; 4476 u32 ac; 4477 4478 if (ar->htt.tx_q_state.mode != HTT_TX_MODE_SWITCH_PUSH) 4479 return; 4480 4481 if (ar->htt.num_pending_tx >= (ar->htt.max_num_pending_tx / 2)) 4482 return; 4483 4484 rcu_read_lock(); 4485 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 4486 if (ath10k_mac_schedule_txq(hw, ac) == -EBUSY) 4487 break; 4488 } 4489 rcu_read_unlock(); 4490 } 4491 EXPORT_SYMBOL(ath10k_mac_tx_push_pending); 4492 4493 /************/ 4494 /* Scanning */ 4495 /************/ 4496 4497 void __ath10k_scan_finish(struct ath10k *ar) 4498 { 4499 lockdep_assert_held(&ar->data_lock); 4500 4501 switch (ar->scan.state) { 4502 case ATH10K_SCAN_IDLE: 4503 break; 4504 case ATH10K_SCAN_RUNNING: 4505 case ATH10K_SCAN_ABORTING: 4506 if (!ar->scan.is_roc) { 4507 struct cfg80211_scan_info info = { 4508 .aborted = (ar->scan.state == 4509 ATH10K_SCAN_ABORTING), 4510 }; 4511 4512 ieee80211_scan_completed(ar->hw, &info); 4513 } else if (ar->scan.roc_notify) { 4514 ieee80211_remain_on_channel_expired(ar->hw); 4515 } 4516 fallthrough; 4517 case ATH10K_SCAN_STARTING: 4518 ar->scan.state = ATH10K_SCAN_IDLE; 4519 ar->scan_channel = NULL; 4520 ar->scan.roc_freq = 0; 4521 ath10k_offchan_tx_purge(ar); 4522 cancel_delayed_work(&ar->scan.timeout); 4523 complete(&ar->scan.completed); 4524 break; 4525 } 4526 } 4527 4528 void ath10k_scan_finish(struct ath10k *ar) 4529 { 4530 spin_lock_bh(&ar->data_lock); 4531 __ath10k_scan_finish(ar); 4532 spin_unlock_bh(&ar->data_lock); 4533 } 4534 4535 static int ath10k_scan_stop(struct ath10k *ar) 4536 { 4537 struct wmi_stop_scan_arg arg = { 4538 .req_id = 1, /* FIXME */ 4539 .req_type = WMI_SCAN_STOP_ONE, 4540 .u.scan_id = ATH10K_SCAN_ID, 4541 }; 4542 int ret; 4543 4544 lockdep_assert_held(&ar->conf_mutex); 4545 4546 ret = ath10k_wmi_stop_scan(ar, &arg); 4547 if (ret) { 4548 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret); 4549 goto out; 4550 } 4551 4552 ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ); 4553 if (ret == 0) { 4554 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n"); 4555 ret = -ETIMEDOUT; 4556 } else if (ret > 0) { 4557 ret = 0; 4558 } 4559 4560 out: 4561 /* Scan state should be updated upon scan completion but in case 4562 * firmware fails to deliver the event (for whatever reason) it is 4563 * desired to clean up scan state anyway. Firmware may have just 4564 * dropped the scan completion event delivery due to transport pipe 4565 * being overflown with data and/or it can recover on its own before 4566 * next scan request is submitted. 4567 */ 4568 spin_lock_bh(&ar->data_lock); 4569 if (ar->scan.state != ATH10K_SCAN_IDLE) 4570 __ath10k_scan_finish(ar); 4571 spin_unlock_bh(&ar->data_lock); 4572 4573 return ret; 4574 } 4575 4576 static void ath10k_scan_abort(struct ath10k *ar) 4577 { 4578 int ret; 4579 4580 lockdep_assert_held(&ar->conf_mutex); 4581 4582 spin_lock_bh(&ar->data_lock); 4583 4584 switch (ar->scan.state) { 4585 case ATH10K_SCAN_IDLE: 4586 /* This can happen if timeout worker kicked in and called 4587 * abortion while scan completion was being processed. 4588 */ 4589 break; 4590 case ATH10K_SCAN_STARTING: 4591 case ATH10K_SCAN_ABORTING: 4592 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n", 4593 ath10k_scan_state_str(ar->scan.state), 4594 ar->scan.state); 4595 break; 4596 case ATH10K_SCAN_RUNNING: 4597 ar->scan.state = ATH10K_SCAN_ABORTING; 4598 spin_unlock_bh(&ar->data_lock); 4599 4600 ret = ath10k_scan_stop(ar); 4601 if (ret) 4602 ath10k_warn(ar, "failed to abort scan: %d\n", ret); 4603 4604 spin_lock_bh(&ar->data_lock); 4605 break; 4606 } 4607 4608 spin_unlock_bh(&ar->data_lock); 4609 } 4610 4611 void ath10k_scan_timeout_work(struct work_struct *work) 4612 { 4613 struct ath10k *ar = container_of(work, struct ath10k, 4614 scan.timeout.work); 4615 4616 mutex_lock(&ar->conf_mutex); 4617 ath10k_scan_abort(ar); 4618 mutex_unlock(&ar->conf_mutex); 4619 } 4620 4621 static int ath10k_start_scan(struct ath10k *ar, 4622 const struct wmi_start_scan_arg *arg) 4623 { 4624 int ret; 4625 4626 lockdep_assert_held(&ar->conf_mutex); 4627 4628 ret = ath10k_wmi_start_scan(ar, arg); 4629 if (ret) 4630 return ret; 4631 4632 ret = wait_for_completion_timeout(&ar->scan.started, 1 * HZ); 4633 if (ret == 0) { 4634 ret = ath10k_scan_stop(ar); 4635 if (ret) 4636 ath10k_warn(ar, "failed to stop scan: %d\n", ret); 4637 4638 return -ETIMEDOUT; 4639 } 4640 4641 /* If we failed to start the scan, return error code at 4642 * this point. This is probably due to some issue in the 4643 * firmware, but no need to wedge the driver due to that... 4644 */ 4645 spin_lock_bh(&ar->data_lock); 4646 if (ar->scan.state == ATH10K_SCAN_IDLE) { 4647 spin_unlock_bh(&ar->data_lock); 4648 return -EINVAL; 4649 } 4650 spin_unlock_bh(&ar->data_lock); 4651 4652 return 0; 4653 } 4654 4655 /**********************/ 4656 /* mac80211 callbacks */ 4657 /**********************/ 4658 4659 static void ath10k_mac_op_tx(struct ieee80211_hw *hw, 4660 struct ieee80211_tx_control *control, 4661 struct sk_buff *skb) 4662 { 4663 struct ath10k *ar = hw->priv; 4664 struct ath10k_htt *htt = &ar->htt; 4665 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 4666 struct ieee80211_vif *vif = info->control.vif; 4667 struct ieee80211_sta *sta = control->sta; 4668 struct ieee80211_txq *txq = NULL; 4669 enum ath10k_hw_txrx_mode txmode; 4670 enum ath10k_mac_tx_path txpath; 4671 bool is_htt; 4672 bool is_mgmt; 4673 int ret; 4674 u16 airtime; 4675 4676 airtime = ath10k_mac_update_airtime(ar, txq, skb); 4677 ath10k_mac_tx_h_fill_cb(ar, vif, txq, sta, skb, airtime); 4678 4679 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb); 4680 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode); 4681 is_htt = (txpath == ATH10K_MAC_TX_HTT || 4682 txpath == ATH10K_MAC_TX_HTT_MGMT); 4683 is_mgmt = (txpath == ATH10K_MAC_TX_HTT_MGMT); 4684 4685 if (is_htt) { 4686 bool is_presp = false; 4687 4688 spin_lock_bh(&ar->htt.tx_lock); 4689 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) { 4690 struct ieee80211_hdr *hdr = (void *)skb->data; 4691 4692 is_presp = ieee80211_is_probe_resp(hdr->frame_control); 4693 } 4694 4695 ret = ath10k_htt_tx_inc_pending(htt); 4696 if (ret) { 4697 ath10k_warn(ar, "failed to increase tx pending count: %d, dropping\n", 4698 ret); 4699 spin_unlock_bh(&ar->htt.tx_lock); 4700 ieee80211_free_txskb(ar->hw, skb); 4701 return; 4702 } 4703 4704 ret = ath10k_htt_tx_mgmt_inc_pending(htt, is_mgmt, is_presp); 4705 if (ret) { 4706 ath10k_dbg(ar, ATH10K_DBG_MAC, "failed to increase tx mgmt pending count: %d, dropping\n", 4707 ret); 4708 ath10k_htt_tx_dec_pending(htt); 4709 spin_unlock_bh(&ar->htt.tx_lock); 4710 ieee80211_free_txskb(ar->hw, skb); 4711 return; 4712 } 4713 spin_unlock_bh(&ar->htt.tx_lock); 4714 } 4715 4716 ret = ath10k_mac_tx(ar, vif, txmode, txpath, skb, false); 4717 if (ret) { 4718 ath10k_warn(ar, "failed to transmit frame: %d\n", ret); 4719 if (is_htt) { 4720 spin_lock_bh(&ar->htt.tx_lock); 4721 ath10k_htt_tx_dec_pending(htt); 4722 if (is_mgmt) 4723 ath10k_htt_tx_mgmt_dec_pending(htt); 4724 spin_unlock_bh(&ar->htt.tx_lock); 4725 } 4726 return; 4727 } 4728 } 4729 4730 static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw, 4731 struct ieee80211_txq *txq) 4732 { 4733 struct ath10k *ar = hw->priv; 4734 int ret; 4735 u8 ac; 4736 4737 ath10k_htt_tx_txq_update(hw, txq); 4738 if (ar->htt.tx_q_state.mode != HTT_TX_MODE_SWITCH_PUSH) 4739 return; 4740 4741 ac = txq->ac; 4742 ieee80211_txq_schedule_start(hw, ac); 4743 txq = ieee80211_next_txq(hw, ac); 4744 if (!txq) 4745 goto out; 4746 4747 while (ath10k_mac_tx_can_push(hw, txq)) { 4748 ret = ath10k_mac_tx_push_txq(hw, txq); 4749 if (ret < 0) 4750 break; 4751 } 4752 ieee80211_return_txq(hw, txq, false); 4753 ath10k_htt_tx_txq_update(hw, txq); 4754 out: 4755 ieee80211_txq_schedule_end(hw, ac); 4756 } 4757 4758 /* Must not be called with conf_mutex held as workers can use that also. */ 4759 void ath10k_drain_tx(struct ath10k *ar) 4760 { 4761 lockdep_assert_not_held(&ar->conf_mutex); 4762 4763 /* make sure rcu-protected mac80211 tx path itself is drained */ 4764 synchronize_net(); 4765 4766 ath10k_offchan_tx_purge(ar); 4767 ath10k_mgmt_over_wmi_tx_purge(ar); 4768 4769 cancel_work_sync(&ar->offchan_tx_work); 4770 cancel_work_sync(&ar->wmi_mgmt_tx_work); 4771 } 4772 4773 void ath10k_halt(struct ath10k *ar) 4774 { 4775 struct ath10k_vif *arvif; 4776 4777 lockdep_assert_held(&ar->conf_mutex); 4778 4779 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); 4780 ar->filter_flags = 0; 4781 ar->monitor = false; 4782 ar->monitor_arvif = NULL; 4783 4784 if (ar->monitor_started) 4785 ath10k_monitor_stop(ar); 4786 4787 ar->monitor_started = false; 4788 ar->tx_paused = 0; 4789 4790 ath10k_scan_finish(ar); 4791 ath10k_peer_cleanup_all(ar); 4792 ath10k_stop_radar_confirmation(ar); 4793 ath10k_core_stop(ar); 4794 ath10k_hif_power_down(ar); 4795 4796 spin_lock_bh(&ar->data_lock); 4797 list_for_each_entry(arvif, &ar->arvifs, list) 4798 ath10k_mac_vif_beacon_cleanup(arvif); 4799 spin_unlock_bh(&ar->data_lock); 4800 } 4801 4802 static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 4803 { 4804 struct ath10k *ar = hw->priv; 4805 4806 mutex_lock(&ar->conf_mutex); 4807 4808 *tx_ant = ar->cfg_tx_chainmask; 4809 *rx_ant = ar->cfg_rx_chainmask; 4810 4811 mutex_unlock(&ar->conf_mutex); 4812 4813 return 0; 4814 } 4815 4816 static bool ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg) 4817 { 4818 /* It is not clear that allowing gaps in chainmask 4819 * is helpful. Probably it will not do what user 4820 * is hoping for, so warn in that case. 4821 */ 4822 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0) 4823 return true; 4824 4825 ath10k_warn(ar, "mac %s antenna chainmask is invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n", 4826 dbg, cm); 4827 return false; 4828 } 4829 4830 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar) 4831 { 4832 int nsts = ar->vht_cap_info; 4833 4834 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; 4835 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; 4836 4837 /* If firmware does not deliver to host number of space-time 4838 * streams supported, assume it support up to 4 BF STS and return 4839 * the value for VHT CAP: nsts-1) 4840 */ 4841 if (nsts == 0) 4842 return 3; 4843 4844 return nsts; 4845 } 4846 4847 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar) 4848 { 4849 int sound_dim = ar->vht_cap_info; 4850 4851 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 4852 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 4853 4854 /* If the sounding dimension is not advertised by the firmware, 4855 * let's use a default value of 1 4856 */ 4857 if (sound_dim == 0) 4858 return 1; 4859 4860 return sound_dim; 4861 } 4862 4863 static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) 4864 { 4865 struct ieee80211_sta_vht_cap vht_cap = {0}; 4866 struct ath10k_hw_params *hw = &ar->hw_params; 4867 u16 mcs_map; 4868 u32 val; 4869 int i; 4870 4871 vht_cap.vht_supported = 1; 4872 vht_cap.cap = ar->vht_cap_info; 4873 4874 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 4875 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { 4876 val = ath10k_mac_get_vht_cap_bf_sts(ar); 4877 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; 4878 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; 4879 4880 vht_cap.cap |= val; 4881 } 4882 4883 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 4884 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { 4885 val = ath10k_mac_get_vht_cap_bf_sound_dim(ar); 4886 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; 4887 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; 4888 4889 vht_cap.cap |= val; 4890 } 4891 4892 mcs_map = 0; 4893 for (i = 0; i < 8; i++) { 4894 if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i))) 4895 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); 4896 else 4897 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); 4898 } 4899 4900 if (ar->cfg_tx_chainmask <= 1) 4901 vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC; 4902 4903 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 4904 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 4905 4906 /* If we are supporting 160Mhz or 80+80, then the NIC may be able to do 4907 * a restricted NSS for 160 or 80+80 vs what it can do for 80Mhz. Give 4908 * user-space a clue if that is the case. 4909 */ 4910 if ((vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) && 4911 (hw->vht160_mcs_rx_highest != 0 || 4912 hw->vht160_mcs_tx_highest != 0)) { 4913 vht_cap.vht_mcs.rx_highest = cpu_to_le16(hw->vht160_mcs_rx_highest); 4914 vht_cap.vht_mcs.tx_highest = cpu_to_le16(hw->vht160_mcs_tx_highest); 4915 } 4916 4917 return vht_cap; 4918 } 4919 4920 static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) 4921 { 4922 int i; 4923 struct ieee80211_sta_ht_cap ht_cap = {0}; 4924 4925 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED)) 4926 return ht_cap; 4927 4928 ht_cap.ht_supported = 1; 4929 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 4930 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; 4931 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 4932 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; 4933 ht_cap.cap |= 4934 WLAN_HT_CAP_SM_PS_DISABLED << IEEE80211_HT_CAP_SM_PS_SHIFT; 4935 4936 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI) 4937 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 4938 4939 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI) 4940 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 4941 4942 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) { 4943 u32 smps; 4944 4945 smps = WLAN_HT_CAP_SM_PS_DYNAMIC; 4946 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; 4947 4948 ht_cap.cap |= smps; 4949 } 4950 4951 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC && (ar->cfg_tx_chainmask > 1)) 4952 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 4953 4954 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { 4955 u32 stbc; 4956 4957 stbc = ar->ht_cap_info; 4958 stbc &= WMI_HT_CAP_RX_STBC; 4959 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; 4960 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; 4961 stbc &= IEEE80211_HT_CAP_RX_STBC; 4962 4963 ht_cap.cap |= stbc; 4964 } 4965 4966 if (ar->ht_cap_info & WMI_HT_CAP_LDPC || (ar->ht_cap_info & 4967 WMI_HT_CAP_RX_LDPC && (ar->ht_cap_info & WMI_HT_CAP_TX_LDPC))) 4968 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; 4969 4970 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT) 4971 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; 4972 4973 /* max AMSDU is implicitly taken from vht_cap_info */ 4974 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) 4975 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 4976 4977 for (i = 0; i < ar->num_rf_chains; i++) { 4978 if (ar->cfg_rx_chainmask & BIT(i)) 4979 ht_cap.mcs.rx_mask[i] = 0xFF; 4980 } 4981 4982 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; 4983 4984 return ht_cap; 4985 } 4986 4987 static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar) 4988 { 4989 struct ieee80211_supported_band *band; 4990 struct ieee80211_sta_vht_cap vht_cap; 4991 struct ieee80211_sta_ht_cap ht_cap; 4992 4993 ht_cap = ath10k_get_ht_cap(ar); 4994 vht_cap = ath10k_create_vht_cap(ar); 4995 4996 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { 4997 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 4998 band->ht_cap = ht_cap; 4999 } 5000 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { 5001 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 5002 band->ht_cap = ht_cap; 5003 band->vht_cap = vht_cap; 5004 } 5005 } 5006 5007 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant) 5008 { 5009 int ret; 5010 bool is_valid_tx_chain_mask, is_valid_rx_chain_mask; 5011 5012 lockdep_assert_held(&ar->conf_mutex); 5013 5014 is_valid_tx_chain_mask = ath10k_check_chain_mask(ar, tx_ant, "tx"); 5015 is_valid_rx_chain_mask = ath10k_check_chain_mask(ar, rx_ant, "rx"); 5016 5017 if (!is_valid_tx_chain_mask || !is_valid_rx_chain_mask) 5018 return -EINVAL; 5019 5020 ar->cfg_tx_chainmask = tx_ant; 5021 ar->cfg_rx_chainmask = rx_ant; 5022 5023 if ((ar->state != ATH10K_STATE_ON) && 5024 (ar->state != ATH10K_STATE_RESTARTED)) 5025 return 0; 5026 5027 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask, 5028 tx_ant); 5029 if (ret) { 5030 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n", 5031 ret, tx_ant); 5032 return ret; 5033 } 5034 5035 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask, 5036 rx_ant); 5037 if (ret) { 5038 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n", 5039 ret, rx_ant); 5040 return ret; 5041 } 5042 5043 /* Reload HT/VHT capability */ 5044 ath10k_mac_setup_ht_vht_cap(ar); 5045 5046 return 0; 5047 } 5048 5049 static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 5050 { 5051 struct ath10k *ar = hw->priv; 5052 int ret; 5053 5054 mutex_lock(&ar->conf_mutex); 5055 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant); 5056 mutex_unlock(&ar->conf_mutex); 5057 return ret; 5058 } 5059 5060 static int __ath10k_fetch_bb_timing_dt(struct ath10k *ar, 5061 struct wmi_bb_timing_cfg_arg *bb_timing) 5062 { 5063 struct device_node *node; 5064 const char *fem_name; 5065 int ret; 5066 5067 node = ar->dev->of_node; 5068 if (!node) 5069 return -ENOENT; 5070 5071 ret = of_property_read_string_index(node, "ext-fem-name", 0, &fem_name); 5072 if (ret) 5073 return -ENOENT; 5074 5075 /* 5076 * If external Front End module used in hardware, then default base band timing 5077 * parameter cannot be used since they were fine tuned for reference hardware, 5078 * so choosing different value suitable for that external FEM. 5079 */ 5080 if (!strcmp("microsemi-lx5586", fem_name)) { 5081 bb_timing->bb_tx_timing = 0x00; 5082 bb_timing->bb_xpa_timing = 0x0101; 5083 } else { 5084 return -ENOENT; 5085 } 5086 5087 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot bb_tx_timing 0x%x bb_xpa_timing 0x%x\n", 5088 bb_timing->bb_tx_timing, bb_timing->bb_xpa_timing); 5089 return 0; 5090 } 5091 5092 static int ath10k_mac_rfkill_config(struct ath10k *ar) 5093 { 5094 u32 param; 5095 int ret; 5096 5097 if (ar->hw_values->rfkill_pin == 0) { 5098 ath10k_warn(ar, "ath10k does not support hardware rfkill with this device\n"); 5099 return -EOPNOTSUPP; 5100 } 5101 5102 ath10k_dbg(ar, ATH10K_DBG_MAC, 5103 "mac rfkill_pin %d rfkill_cfg %d rfkill_on_level %d", 5104 ar->hw_values->rfkill_pin, ar->hw_values->rfkill_cfg, 5105 ar->hw_values->rfkill_on_level); 5106 5107 param = FIELD_PREP(WMI_TLV_RFKILL_CFG_RADIO_LEVEL, 5108 ar->hw_values->rfkill_on_level) | 5109 FIELD_PREP(WMI_TLV_RFKILL_CFG_GPIO_PIN_NUM, 5110 ar->hw_values->rfkill_pin) | 5111 FIELD_PREP(WMI_TLV_RFKILL_CFG_PIN_AS_GPIO, 5112 ar->hw_values->rfkill_cfg); 5113 5114 ret = ath10k_wmi_pdev_set_param(ar, 5115 ar->wmi.pdev_param->rfkill_config, 5116 param); 5117 if (ret) { 5118 ath10k_warn(ar, 5119 "failed to set rfkill config 0x%x: %d\n", 5120 param, ret); 5121 return ret; 5122 } 5123 return 0; 5124 } 5125 5126 int ath10k_mac_rfkill_enable_radio(struct ath10k *ar, bool enable) 5127 { 5128 enum wmi_tlv_rfkill_enable_radio param; 5129 int ret; 5130 5131 if (enable) 5132 param = WMI_TLV_RFKILL_ENABLE_RADIO_ON; 5133 else 5134 param = WMI_TLV_RFKILL_ENABLE_RADIO_OFF; 5135 5136 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac rfkill enable %d", param); 5137 5138 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rfkill_enable, 5139 param); 5140 if (ret) { 5141 ath10k_warn(ar, "failed to set rfkill enable param %d: %d\n", 5142 param, ret); 5143 return ret; 5144 } 5145 5146 return 0; 5147 } 5148 5149 static int ath10k_start(struct ieee80211_hw *hw) 5150 { 5151 struct ath10k *ar = hw->priv; 5152 u32 param; 5153 int ret = 0; 5154 struct wmi_bb_timing_cfg_arg bb_timing = {0}; 5155 5156 /* 5157 * This makes sense only when restarting hw. It is harmless to call 5158 * unconditionally. This is necessary to make sure no HTT/WMI tx 5159 * commands will be submitted while restarting. 5160 */ 5161 ath10k_drain_tx(ar); 5162 5163 mutex_lock(&ar->conf_mutex); 5164 5165 switch (ar->state) { 5166 case ATH10K_STATE_OFF: 5167 ar->state = ATH10K_STATE_ON; 5168 break; 5169 case ATH10K_STATE_RESTARTING: 5170 ar->state = ATH10K_STATE_RESTARTED; 5171 break; 5172 case ATH10K_STATE_ON: 5173 case ATH10K_STATE_RESTARTED: 5174 case ATH10K_STATE_WEDGED: 5175 WARN_ON(1); 5176 ret = -EINVAL; 5177 goto err; 5178 case ATH10K_STATE_UTF: 5179 ret = -EBUSY; 5180 goto err; 5181 } 5182 5183 spin_lock_bh(&ar->data_lock); 5184 5185 if (ar->hw_rfkill_on) { 5186 ar->hw_rfkill_on = false; 5187 spin_unlock_bh(&ar->data_lock); 5188 goto err; 5189 } 5190 5191 spin_unlock_bh(&ar->data_lock); 5192 5193 ret = ath10k_hif_power_up(ar, ATH10K_FIRMWARE_MODE_NORMAL); 5194 if (ret) { 5195 ath10k_err(ar, "Could not init hif: %d\n", ret); 5196 goto err_off; 5197 } 5198 5199 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL, 5200 &ar->normal_mode_fw); 5201 if (ret) { 5202 ath10k_err(ar, "Could not init core: %d\n", ret); 5203 goto err_power_down; 5204 } 5205 5206 if (ar->sys_cap_info & WMI_TLV_SYS_CAP_INFO_RFKILL) { 5207 ret = ath10k_mac_rfkill_config(ar); 5208 if (ret && ret != -EOPNOTSUPP) { 5209 ath10k_warn(ar, "failed to configure rfkill: %d", ret); 5210 goto err_core_stop; 5211 } 5212 } 5213 5214 param = ar->wmi.pdev_param->pmf_qos; 5215 ret = ath10k_wmi_pdev_set_param(ar, param, 1); 5216 if (ret) { 5217 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret); 5218 goto err_core_stop; 5219 } 5220 5221 param = ar->wmi.pdev_param->dynamic_bw; 5222 ret = ath10k_wmi_pdev_set_param(ar, param, 1); 5223 if (ret) { 5224 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret); 5225 goto err_core_stop; 5226 } 5227 5228 if (test_bit(WMI_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi.svc_map)) { 5229 ret = ath10k_wmi_scan_prob_req_oui(ar, ar->mac_addr); 5230 if (ret) { 5231 ath10k_err(ar, "failed to set prob req oui: %i\n", ret); 5232 goto err_core_stop; 5233 } 5234 } 5235 5236 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) { 5237 ret = ath10k_wmi_adaptive_qcs(ar, true); 5238 if (ret) { 5239 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n", 5240 ret); 5241 goto err_core_stop; 5242 } 5243 } 5244 5245 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) { 5246 param = ar->wmi.pdev_param->burst_enable; 5247 ret = ath10k_wmi_pdev_set_param(ar, param, 0); 5248 if (ret) { 5249 ath10k_warn(ar, "failed to disable burst: %d\n", ret); 5250 goto err_core_stop; 5251 } 5252 } 5253 5254 param = ar->wmi.pdev_param->idle_ps_config; 5255 ret = ath10k_wmi_pdev_set_param(ar, param, 1); 5256 if (ret && ret != -EOPNOTSUPP) { 5257 ath10k_warn(ar, "failed to enable idle_ps_config: %d\n", ret); 5258 goto err_core_stop; 5259 } 5260 5261 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask); 5262 5263 /* 5264 * By default FW set ARP frames ac to voice (6). In that case ARP 5265 * exchange is not working properly for UAPSD enabled AP. ARP requests 5266 * which arrives with access category 0 are processed by network stack 5267 * and send back with access category 0, but FW changes access category 5268 * to 6. Set ARP frames access category to best effort (0) solves 5269 * this problem. 5270 */ 5271 5272 param = ar->wmi.pdev_param->arp_ac_override; 5273 ret = ath10k_wmi_pdev_set_param(ar, param, 0); 5274 if (ret) { 5275 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n", 5276 ret); 5277 goto err_core_stop; 5278 } 5279 5280 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA, 5281 ar->running_fw->fw_file.fw_features)) { 5282 ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1, 5283 WMI_CCA_DETECT_LEVEL_AUTO, 5284 WMI_CCA_DETECT_MARGIN_AUTO); 5285 if (ret) { 5286 ath10k_warn(ar, "failed to enable adaptive cca: %d\n", 5287 ret); 5288 goto err_core_stop; 5289 } 5290 } 5291 5292 param = ar->wmi.pdev_param->ani_enable; 5293 ret = ath10k_wmi_pdev_set_param(ar, param, 1); 5294 if (ret) { 5295 ath10k_warn(ar, "failed to enable ani by default: %d\n", 5296 ret); 5297 goto err_core_stop; 5298 } 5299 5300 ar->ani_enabled = true; 5301 5302 if (ath10k_peer_stats_enabled(ar)) { 5303 param = ar->wmi.pdev_param->peer_stats_update_period; 5304 ret = ath10k_wmi_pdev_set_param(ar, param, 5305 PEER_DEFAULT_STATS_UPDATE_PERIOD); 5306 if (ret) { 5307 ath10k_warn(ar, 5308 "failed to set peer stats period : %d\n", 5309 ret); 5310 goto err_core_stop; 5311 } 5312 } 5313 5314 param = ar->wmi.pdev_param->enable_btcoex; 5315 if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) && 5316 test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM, 5317 ar->running_fw->fw_file.fw_features) && 5318 ar->coex_support) { 5319 ret = ath10k_wmi_pdev_set_param(ar, param, 0); 5320 if (ret) { 5321 ath10k_warn(ar, 5322 "failed to set btcoex param: %d\n", ret); 5323 goto err_core_stop; 5324 } 5325 clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags); 5326 } 5327 5328 if (test_bit(WMI_SERVICE_BB_TIMING_CONFIG_SUPPORT, ar->wmi.svc_map)) { 5329 ret = __ath10k_fetch_bb_timing_dt(ar, &bb_timing); 5330 if (!ret) { 5331 ret = ath10k_wmi_pdev_bb_timing(ar, &bb_timing); 5332 if (ret) { 5333 ath10k_warn(ar, 5334 "failed to set bb timings: %d\n", 5335 ret); 5336 goto err_core_stop; 5337 } 5338 } 5339 } 5340 5341 ar->num_started_vdevs = 0; 5342 ath10k_regd_update(ar); 5343 5344 ath10k_spectral_start(ar); 5345 ath10k_thermal_set_throttling(ar); 5346 5347 ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_IDLE; 5348 5349 mutex_unlock(&ar->conf_mutex); 5350 return 0; 5351 5352 err_core_stop: 5353 ath10k_core_stop(ar); 5354 5355 err_power_down: 5356 ath10k_hif_power_down(ar); 5357 5358 err_off: 5359 ar->state = ATH10K_STATE_OFF; 5360 5361 err: 5362 mutex_unlock(&ar->conf_mutex); 5363 return ret; 5364 } 5365 5366 static void ath10k_stop(struct ieee80211_hw *hw) 5367 { 5368 struct ath10k *ar = hw->priv; 5369 u32 opt; 5370 5371 ath10k_drain_tx(ar); 5372 5373 mutex_lock(&ar->conf_mutex); 5374 if (ar->state != ATH10K_STATE_OFF) { 5375 if (!ar->hw_rfkill_on) { 5376 /* If the current driver state is RESTARTING but not yet 5377 * fully RESTARTED because of incoming suspend event, 5378 * then ath10k_halt() is already called via 5379 * ath10k_core_restart() and should not be called here. 5380 */ 5381 if (ar->state != ATH10K_STATE_RESTARTING) { 5382 ath10k_halt(ar); 5383 } else { 5384 /* Suspending here, because when in RESTARTING 5385 * state, ath10k_core_stop() skips 5386 * ath10k_wait_for_suspend(). 5387 */ 5388 opt = WMI_PDEV_SUSPEND_AND_DISABLE_INTR; 5389 ath10k_wait_for_suspend(ar, opt); 5390 } 5391 } 5392 ar->state = ATH10K_STATE_OFF; 5393 } 5394 mutex_unlock(&ar->conf_mutex); 5395 5396 cancel_work_sync(&ar->set_coverage_class_work); 5397 cancel_delayed_work_sync(&ar->scan.timeout); 5398 cancel_work_sync(&ar->restart_work); 5399 } 5400 5401 static int ath10k_config_ps(struct ath10k *ar) 5402 { 5403 struct ath10k_vif *arvif; 5404 int ret = 0; 5405 5406 lockdep_assert_held(&ar->conf_mutex); 5407 5408 list_for_each_entry(arvif, &ar->arvifs, list) { 5409 ret = ath10k_mac_vif_setup_ps(arvif); 5410 if (ret) { 5411 ath10k_warn(ar, "failed to setup powersave: %d\n", ret); 5412 break; 5413 } 5414 } 5415 5416 return ret; 5417 } 5418 5419 static int ath10k_config(struct ieee80211_hw *hw, u32 changed) 5420 { 5421 struct ath10k *ar = hw->priv; 5422 struct ieee80211_conf *conf = &hw->conf; 5423 int ret = 0; 5424 5425 mutex_lock(&ar->conf_mutex); 5426 5427 if (changed & IEEE80211_CONF_CHANGE_PS) 5428 ath10k_config_ps(ar); 5429 5430 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 5431 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR; 5432 ret = ath10k_monitor_recalc(ar); 5433 if (ret) 5434 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); 5435 } 5436 5437 mutex_unlock(&ar->conf_mutex); 5438 return ret; 5439 } 5440 5441 static u32 get_nss_from_chainmask(u16 chain_mask) 5442 { 5443 if ((chain_mask & 0xf) == 0xf) 5444 return 4; 5445 else if ((chain_mask & 0x7) == 0x7) 5446 return 3; 5447 else if ((chain_mask & 0x3) == 0x3) 5448 return 2; 5449 return 1; 5450 } 5451 5452 static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif) 5453 { 5454 u32 value = 0; 5455 struct ath10k *ar = arvif->ar; 5456 int nsts; 5457 int sound_dim; 5458 5459 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC) 5460 return 0; 5461 5462 nsts = ath10k_mac_get_vht_cap_bf_sts(ar); 5463 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 5464 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) 5465 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET); 5466 5467 sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar); 5468 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 5469 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) 5470 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET); 5471 5472 if (!value) 5473 return 0; 5474 5475 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) 5476 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; 5477 5478 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) 5479 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER | 5480 WMI_VDEV_PARAM_TXBF_SU_TX_BFER); 5481 5482 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) 5483 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; 5484 5485 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) 5486 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE | 5487 WMI_VDEV_PARAM_TXBF_SU_TX_BFEE); 5488 5489 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, 5490 ar->wmi.vdev_param->txbf, value); 5491 } 5492 5493 static void ath10k_update_vif_offload(struct ieee80211_hw *hw, 5494 struct ieee80211_vif *vif) 5495 { 5496 struct ath10k_vif *arvif = (void *)vif->drv_priv; 5497 struct ath10k *ar = hw->priv; 5498 u32 vdev_param; 5499 int ret; 5500 5501 if (ath10k_frame_mode != ATH10K_HW_TXRX_ETHERNET || 5502 ar->wmi.vdev_param->tx_encap_type == WMI_VDEV_PARAM_UNSUPPORTED || 5503 (vif->type != NL80211_IFTYPE_STATION && 5504 vif->type != NL80211_IFTYPE_AP)) 5505 vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED; 5506 5507 vdev_param = ar->wmi.vdev_param->tx_encap_type; 5508 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5509 ATH10K_HW_TXRX_NATIVE_WIFI); 5510 /* 10.X firmware does not support this VDEV parameter. Do not warn */ 5511 if (ret && ret != -EOPNOTSUPP) { 5512 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n", 5513 arvif->vdev_id, ret); 5514 } 5515 } 5516 5517 /* 5518 * TODO: 5519 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, 5520 * because we will send mgmt frames without CCK. This requirement 5521 * for P2P_FIND/GO_NEG should be handled by checking CCK flag 5522 * in the TX packet. 5523 */ 5524 static int ath10k_add_interface(struct ieee80211_hw *hw, 5525 struct ieee80211_vif *vif) 5526 { 5527 struct ath10k *ar = hw->priv; 5528 struct ath10k_vif *arvif = (void *)vif->drv_priv; 5529 struct ath10k_peer *peer; 5530 enum wmi_sta_powersave_param param; 5531 int ret = 0; 5532 u32 value; 5533 int bit; 5534 int i; 5535 u32 vdev_param; 5536 5537 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 5538 5539 mutex_lock(&ar->conf_mutex); 5540 5541 memset(arvif, 0, sizeof(*arvif)); 5542 ath10k_mac_txq_init(vif->txq); 5543 5544 arvif->ar = ar; 5545 arvif->vif = vif; 5546 5547 INIT_LIST_HEAD(&arvif->list); 5548 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work); 5549 INIT_DELAYED_WORK(&arvif->connection_loss_work, 5550 ath10k_mac_vif_sta_connection_loss_work); 5551 5552 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) { 5553 arvif->bitrate_mask.control[i].legacy = 0xffffffff; 5554 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff, 5555 sizeof(arvif->bitrate_mask.control[i].ht_mcs)); 5556 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff, 5557 sizeof(arvif->bitrate_mask.control[i].vht_mcs)); 5558 } 5559 5560 if (ar->num_peers >= ar->max_num_peers) { 5561 ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n"); 5562 ret = -ENOBUFS; 5563 goto err; 5564 } 5565 5566 if (ar->free_vdev_map == 0) { 5567 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n"); 5568 ret = -EBUSY; 5569 goto err; 5570 } 5571 bit = __ffs64(ar->free_vdev_map); 5572 5573 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n", 5574 bit, ar->free_vdev_map); 5575 5576 arvif->vdev_id = bit; 5577 arvif->vdev_subtype = 5578 ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE); 5579 5580 switch (vif->type) { 5581 case NL80211_IFTYPE_P2P_DEVICE: 5582 arvif->vdev_type = WMI_VDEV_TYPE_STA; 5583 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype 5584 (ar, WMI_VDEV_SUBTYPE_P2P_DEVICE); 5585 break; 5586 case NL80211_IFTYPE_UNSPECIFIED: 5587 case NL80211_IFTYPE_STATION: 5588 arvif->vdev_type = WMI_VDEV_TYPE_STA; 5589 if (vif->p2p) 5590 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype 5591 (ar, WMI_VDEV_SUBTYPE_P2P_CLIENT); 5592 break; 5593 case NL80211_IFTYPE_ADHOC: 5594 arvif->vdev_type = WMI_VDEV_TYPE_IBSS; 5595 break; 5596 case NL80211_IFTYPE_MESH_POINT: 5597 if (test_bit(WMI_SERVICE_MESH_11S, ar->wmi.svc_map)) { 5598 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype 5599 (ar, WMI_VDEV_SUBTYPE_MESH_11S); 5600 } else if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { 5601 ret = -EINVAL; 5602 ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n"); 5603 goto err; 5604 } 5605 arvif->vdev_type = WMI_VDEV_TYPE_AP; 5606 break; 5607 case NL80211_IFTYPE_AP: 5608 arvif->vdev_type = WMI_VDEV_TYPE_AP; 5609 5610 if (vif->p2p) 5611 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype 5612 (ar, WMI_VDEV_SUBTYPE_P2P_GO); 5613 break; 5614 case NL80211_IFTYPE_MONITOR: 5615 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; 5616 break; 5617 default: 5618 WARN_ON(1); 5619 break; 5620 } 5621 5622 /* Using vdev_id as queue number will make it very easy to do per-vif 5623 * tx queue locking. This shouldn't wrap due to interface combinations 5624 * but do a modulo for correctness sake and prevent using offchannel tx 5625 * queues for regular vif tx. 5626 */ 5627 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1); 5628 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++) 5629 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1); 5630 5631 /* Some firmware revisions don't wait for beacon tx completion before 5632 * sending another SWBA event. This could lead to hardware using old 5633 * (freed) beacon data in some cases, e.g. tx credit starvation 5634 * combined with missed TBTT. This is very rare. 5635 * 5636 * On non-IOMMU-enabled hosts this could be a possible security issue 5637 * because hw could beacon some random data on the air. On 5638 * IOMMU-enabled hosts DMAR faults would occur in most cases and target 5639 * device would crash. 5640 * 5641 * Since there are no beacon tx completions (implicit nor explicit) 5642 * propagated to host the only workaround for this is to allocate a 5643 * DMA-coherent buffer for a lifetime of a vif and use it for all 5644 * beacon tx commands. Worst case for this approach is some beacons may 5645 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap. 5646 */ 5647 if (vif->type == NL80211_IFTYPE_ADHOC || 5648 vif->type == NL80211_IFTYPE_MESH_POINT || 5649 vif->type == NL80211_IFTYPE_AP) { 5650 if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) { 5651 arvif->beacon_buf = kmalloc(IEEE80211_MAX_FRAME_LEN, 5652 GFP_KERNEL); 5653 5654 /* Using a kernel pointer in place of a dma_addr_t 5655 * token can lead to undefined behavior if that 5656 * makes it into cache management functions. Use a 5657 * known-invalid address token instead, which 5658 * avoids the warning and makes it easier to catch 5659 * bugs if it does end up getting used. 5660 */ 5661 arvif->beacon_paddr = DMA_MAPPING_ERROR; 5662 } else { 5663 arvif->beacon_buf = 5664 dma_alloc_coherent(ar->dev, 5665 IEEE80211_MAX_FRAME_LEN, 5666 &arvif->beacon_paddr, 5667 GFP_ATOMIC); 5668 } 5669 if (!arvif->beacon_buf) { 5670 ret = -ENOMEM; 5671 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", 5672 ret); 5673 goto err; 5674 } 5675 } 5676 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags)) 5677 arvif->nohwcrypt = true; 5678 5679 if (arvif->nohwcrypt && 5680 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { 5681 ret = -EINVAL; 5682 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n"); 5683 goto err; 5684 } 5685 5686 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", 5687 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, 5688 arvif->beacon_buf ? "single-buf" : "per-skb"); 5689 5690 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, 5691 arvif->vdev_subtype, vif->addr); 5692 if (ret) { 5693 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n", 5694 arvif->vdev_id, ret); 5695 goto err; 5696 } 5697 5698 if (test_bit(WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT, 5699 ar->wmi.svc_map)) { 5700 vdev_param = ar->wmi.vdev_param->disable_4addr_src_lrn; 5701 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5702 WMI_VDEV_DISABLE_4_ADDR_SRC_LRN); 5703 if (ret && ret != -EOPNOTSUPP) { 5704 ath10k_warn(ar, "failed to disable 4addr src lrn vdev %i: %d\n", 5705 arvif->vdev_id, ret); 5706 } 5707 } 5708 5709 ar->free_vdev_map &= ~(1LL << arvif->vdev_id); 5710 spin_lock_bh(&ar->data_lock); 5711 list_add(&arvif->list, &ar->arvifs); 5712 spin_unlock_bh(&ar->data_lock); 5713 5714 /* It makes no sense to have firmware do keepalives. mac80211 already 5715 * takes care of this with idle connection polling. 5716 */ 5717 ret = ath10k_mac_vif_disable_keepalive(arvif); 5718 if (ret) { 5719 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n", 5720 arvif->vdev_id, ret); 5721 goto err_vdev_delete; 5722 } 5723 5724 arvif->def_wep_key_idx = -1; 5725 5726 ath10k_update_vif_offload(hw, vif); 5727 5728 /* Configuring number of spatial stream for monitor interface is causing 5729 * target assert in qca9888 and qca6174. 5730 */ 5731 if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) { 5732 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); 5733 5734 vdev_param = ar->wmi.vdev_param->nss; 5735 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5736 nss); 5737 if (ret) { 5738 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n", 5739 arvif->vdev_id, ar->cfg_tx_chainmask, nss, 5740 ret); 5741 goto err_vdev_delete; 5742 } 5743 } 5744 5745 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5746 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5747 ret = ath10k_peer_create(ar, vif, NULL, arvif->vdev_id, 5748 vif->addr, WMI_PEER_TYPE_DEFAULT); 5749 if (ret) { 5750 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n", 5751 arvif->vdev_id, ret); 5752 goto err_vdev_delete; 5753 } 5754 5755 spin_lock_bh(&ar->data_lock); 5756 5757 peer = ath10k_peer_find(ar, arvif->vdev_id, vif->addr); 5758 if (!peer) { 5759 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", 5760 vif->addr, arvif->vdev_id); 5761 spin_unlock_bh(&ar->data_lock); 5762 ret = -ENOENT; 5763 goto err_peer_delete; 5764 } 5765 5766 arvif->peer_id = find_first_bit(peer->peer_ids, 5767 ATH10K_MAX_NUM_PEER_IDS); 5768 5769 spin_unlock_bh(&ar->data_lock); 5770 } else { 5771 arvif->peer_id = HTT_INVALID_PEERID; 5772 } 5773 5774 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 5775 ret = ath10k_mac_set_kickout(arvif); 5776 if (ret) { 5777 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n", 5778 arvif->vdev_id, ret); 5779 goto err_peer_delete; 5780 } 5781 } 5782 5783 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { 5784 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; 5785 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 5786 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 5787 param, value); 5788 if (ret) { 5789 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n", 5790 arvif->vdev_id, ret); 5791 goto err_peer_delete; 5792 } 5793 5794 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); 5795 if (ret) { 5796 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", 5797 arvif->vdev_id, ret); 5798 goto err_peer_delete; 5799 } 5800 5801 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); 5802 if (ret) { 5803 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", 5804 arvif->vdev_id, ret); 5805 goto err_peer_delete; 5806 } 5807 } 5808 5809 ret = ath10k_mac_set_txbf_conf(arvif); 5810 if (ret) { 5811 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n", 5812 arvif->vdev_id, ret); 5813 goto err_peer_delete; 5814 } 5815 5816 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); 5817 if (ret) { 5818 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", 5819 arvif->vdev_id, ret); 5820 goto err_peer_delete; 5821 } 5822 5823 arvif->txpower = vif->bss_conf.txpower; 5824 ret = ath10k_mac_txpower_recalc(ar); 5825 if (ret) { 5826 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); 5827 goto err_peer_delete; 5828 } 5829 5830 if (test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) { 5831 vdev_param = ar->wmi.vdev_param->rtt_responder_role; 5832 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5833 arvif->ftm_responder); 5834 5835 /* It is harmless to not set FTM role. Do not warn */ 5836 if (ret && ret != -EOPNOTSUPP) 5837 ath10k_warn(ar, "failed to set vdev %i FTM Responder: %d\n", 5838 arvif->vdev_id, ret); 5839 } 5840 5841 if (vif->type == NL80211_IFTYPE_MONITOR) { 5842 ar->monitor_arvif = arvif; 5843 ret = ath10k_monitor_recalc(ar); 5844 if (ret) { 5845 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); 5846 goto err_peer_delete; 5847 } 5848 } 5849 5850 spin_lock_bh(&ar->htt.tx_lock); 5851 if (!ar->tx_paused) 5852 ieee80211_wake_queue(ar->hw, arvif->vdev_id); 5853 spin_unlock_bh(&ar->htt.tx_lock); 5854 5855 mutex_unlock(&ar->conf_mutex); 5856 return 0; 5857 5858 err_peer_delete: 5859 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5860 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5861 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr); 5862 ath10k_wait_for_peer_delete_done(ar, arvif->vdev_id, 5863 vif->addr); 5864 } 5865 5866 err_vdev_delete: 5867 ath10k_wmi_vdev_delete(ar, arvif->vdev_id); 5868 ar->free_vdev_map |= 1LL << arvif->vdev_id; 5869 spin_lock_bh(&ar->data_lock); 5870 list_del(&arvif->list); 5871 spin_unlock_bh(&ar->data_lock); 5872 5873 err: 5874 if (arvif->beacon_buf) { 5875 if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) 5876 kfree(arvif->beacon_buf); 5877 else 5878 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, 5879 arvif->beacon_buf, 5880 arvif->beacon_paddr); 5881 arvif->beacon_buf = NULL; 5882 } 5883 5884 mutex_unlock(&ar->conf_mutex); 5885 5886 return ret; 5887 } 5888 5889 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif) 5890 { 5891 int i; 5892 5893 for (i = 0; i < BITS_PER_LONG; i++) 5894 ath10k_mac_vif_tx_unlock(arvif, i); 5895 } 5896 5897 static void ath10k_remove_interface(struct ieee80211_hw *hw, 5898 struct ieee80211_vif *vif) 5899 { 5900 struct ath10k *ar = hw->priv; 5901 struct ath10k_vif *arvif = (void *)vif->drv_priv; 5902 struct ath10k_peer *peer; 5903 unsigned long time_left; 5904 int ret; 5905 int i; 5906 5907 cancel_work_sync(&arvif->ap_csa_work); 5908 cancel_delayed_work_sync(&arvif->connection_loss_work); 5909 5910 mutex_lock(&ar->conf_mutex); 5911 5912 ret = ath10k_spectral_vif_stop(arvif); 5913 if (ret) 5914 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", 5915 arvif->vdev_id, ret); 5916 5917 ar->free_vdev_map |= 1LL << arvif->vdev_id; 5918 spin_lock_bh(&ar->data_lock); 5919 list_del(&arvif->list); 5920 spin_unlock_bh(&ar->data_lock); 5921 5922 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5923 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5924 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id, 5925 vif->addr); 5926 if (ret) 5927 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n", 5928 arvif->vdev_id, ret); 5929 5930 ath10k_wait_for_peer_delete_done(ar, arvif->vdev_id, 5931 vif->addr); 5932 kfree(arvif->u.ap.noa_data); 5933 } 5934 5935 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n", 5936 arvif->vdev_id); 5937 5938 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); 5939 if (ret) 5940 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n", 5941 arvif->vdev_id, ret); 5942 5943 if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) { 5944 time_left = wait_for_completion_timeout(&ar->vdev_delete_done, 5945 ATH10K_VDEV_DELETE_TIMEOUT_HZ); 5946 if (time_left == 0) { 5947 ath10k_warn(ar, "Timeout in receiving vdev delete response\n"); 5948 goto out; 5949 } 5950 } 5951 5952 /* Some firmware revisions don't notify host about self-peer removal 5953 * until after associated vdev is deleted. 5954 */ 5955 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5956 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5957 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id, 5958 vif->addr); 5959 if (ret) 5960 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n", 5961 arvif->vdev_id, ret); 5962 5963 spin_lock_bh(&ar->data_lock); 5964 ar->num_peers--; 5965 spin_unlock_bh(&ar->data_lock); 5966 } 5967 5968 spin_lock_bh(&ar->data_lock); 5969 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { 5970 peer = ar->peer_map[i]; 5971 if (!peer) 5972 continue; 5973 5974 if (peer->vif == vif) { 5975 ath10k_warn(ar, "found vif peer %pM entry on vdev %i after it was supposedly removed\n", 5976 vif->addr, arvif->vdev_id); 5977 peer->vif = NULL; 5978 } 5979 } 5980 5981 /* Clean this up late, less opportunity for firmware to access 5982 * DMA memory we have deleted. 5983 */ 5984 ath10k_mac_vif_beacon_cleanup(arvif); 5985 spin_unlock_bh(&ar->data_lock); 5986 5987 ath10k_peer_cleanup(ar, arvif->vdev_id); 5988 ath10k_mac_txq_unref(ar, vif->txq); 5989 5990 if (vif->type == NL80211_IFTYPE_MONITOR) { 5991 ar->monitor_arvif = NULL; 5992 ret = ath10k_monitor_recalc(ar); 5993 if (ret) 5994 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); 5995 } 5996 5997 ret = ath10k_mac_txpower_recalc(ar); 5998 if (ret) 5999 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); 6000 6001 spin_lock_bh(&ar->htt.tx_lock); 6002 ath10k_mac_vif_tx_unlock_all(arvif); 6003 spin_unlock_bh(&ar->htt.tx_lock); 6004 6005 ath10k_mac_txq_unref(ar, vif->txq); 6006 6007 out: 6008 mutex_unlock(&ar->conf_mutex); 6009 } 6010 6011 /* 6012 * FIXME: Has to be verified. 6013 */ 6014 #define SUPPORTED_FILTERS \ 6015 (FIF_ALLMULTI | \ 6016 FIF_CONTROL | \ 6017 FIF_PSPOLL | \ 6018 FIF_OTHER_BSS | \ 6019 FIF_BCN_PRBRESP_PROMISC | \ 6020 FIF_PROBE_REQ | \ 6021 FIF_FCSFAIL) 6022 6023 static void ath10k_configure_filter(struct ieee80211_hw *hw, 6024 unsigned int changed_flags, 6025 unsigned int *total_flags, 6026 u64 multicast) 6027 { 6028 struct ath10k *ar = hw->priv; 6029 int ret; 6030 6031 mutex_lock(&ar->conf_mutex); 6032 6033 changed_flags &= SUPPORTED_FILTERS; 6034 *total_flags &= SUPPORTED_FILTERS; 6035 ar->filter_flags = *total_flags; 6036 6037 ret = ath10k_monitor_recalc(ar); 6038 if (ret) 6039 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); 6040 6041 mutex_unlock(&ar->conf_mutex); 6042 } 6043 6044 static void ath10k_recalculate_mgmt_rate(struct ath10k *ar, 6045 struct ieee80211_vif *vif, 6046 struct cfg80211_chan_def *def) 6047 { 6048 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6049 const struct ieee80211_supported_band *sband; 6050 u8 basic_rate_idx; 6051 int hw_rate_code; 6052 u32 vdev_param; 6053 u16 bitrate; 6054 int ret; 6055 6056 lockdep_assert_held(&ar->conf_mutex); 6057 6058 sband = ar->hw->wiphy->bands[def->chan->band]; 6059 basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1; 6060 bitrate = sband->bitrates[basic_rate_idx].bitrate; 6061 6062 hw_rate_code = ath10k_mac_get_rate_hw_value(bitrate); 6063 if (hw_rate_code < 0) { 6064 ath10k_warn(ar, "bitrate not supported %d\n", bitrate); 6065 return; 6066 } 6067 6068 vdev_param = ar->wmi.vdev_param->mgmt_rate; 6069 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6070 hw_rate_code); 6071 if (ret) 6072 ath10k_warn(ar, "failed to set mgmt tx rate %d\n", ret); 6073 } 6074 6075 static void ath10k_bss_info_changed(struct ieee80211_hw *hw, 6076 struct ieee80211_vif *vif, 6077 struct ieee80211_bss_conf *info, 6078 u64 changed) 6079 { 6080 struct ath10k *ar = hw->priv; 6081 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6082 struct cfg80211_chan_def def; 6083 u32 vdev_param, pdev_param, slottime, preamble; 6084 u16 bitrate, hw_value; 6085 u8 rate, rateidx; 6086 int ret = 0, mcast_rate; 6087 enum nl80211_band band; 6088 6089 mutex_lock(&ar->conf_mutex); 6090 6091 if (changed & BSS_CHANGED_IBSS) 6092 ath10k_control_ibss(arvif, vif); 6093 6094 if (changed & BSS_CHANGED_BEACON_INT) { 6095 arvif->beacon_interval = info->beacon_int; 6096 vdev_param = ar->wmi.vdev_param->beacon_interval; 6097 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6098 arvif->beacon_interval); 6099 ath10k_dbg(ar, ATH10K_DBG_MAC, 6100 "mac vdev %d beacon_interval %d\n", 6101 arvif->vdev_id, arvif->beacon_interval); 6102 6103 if (ret) 6104 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n", 6105 arvif->vdev_id, ret); 6106 } 6107 6108 if (changed & BSS_CHANGED_BEACON) { 6109 ath10k_dbg(ar, ATH10K_DBG_MAC, 6110 "vdev %d set beacon tx mode to staggered\n", 6111 arvif->vdev_id); 6112 6113 pdev_param = ar->wmi.pdev_param->beacon_tx_mode; 6114 ret = ath10k_wmi_pdev_set_param(ar, pdev_param, 6115 WMI_BEACON_STAGGERED_MODE); 6116 if (ret) 6117 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n", 6118 arvif->vdev_id, ret); 6119 6120 ret = ath10k_mac_setup_bcn_tmpl(arvif); 6121 if (ret) 6122 ath10k_warn(ar, "failed to update beacon template: %d\n", 6123 ret); 6124 6125 if (ieee80211_vif_is_mesh(vif)) { 6126 /* mesh doesn't use SSID but firmware needs it */ 6127 strncpy(arvif->u.ap.ssid, "mesh", 6128 sizeof(arvif->u.ap.ssid)); 6129 arvif->u.ap.ssid_len = 4; 6130 } 6131 } 6132 6133 if (changed & BSS_CHANGED_AP_PROBE_RESP) { 6134 ret = ath10k_mac_setup_prb_tmpl(arvif); 6135 if (ret) 6136 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n", 6137 arvif->vdev_id, ret); 6138 } 6139 6140 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { 6141 arvif->dtim_period = info->dtim_period; 6142 6143 ath10k_dbg(ar, ATH10K_DBG_MAC, 6144 "mac vdev %d dtim_period %d\n", 6145 arvif->vdev_id, arvif->dtim_period); 6146 6147 vdev_param = ar->wmi.vdev_param->dtim_period; 6148 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6149 arvif->dtim_period); 6150 if (ret) 6151 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n", 6152 arvif->vdev_id, ret); 6153 } 6154 6155 if (changed & BSS_CHANGED_SSID && 6156 vif->type == NL80211_IFTYPE_AP) { 6157 arvif->u.ap.ssid_len = vif->cfg.ssid_len; 6158 if (vif->cfg.ssid_len) 6159 memcpy(arvif->u.ap.ssid, vif->cfg.ssid, 6160 vif->cfg.ssid_len); 6161 arvif->u.ap.hidden_ssid = info->hidden_ssid; 6162 } 6163 6164 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) 6165 ether_addr_copy(arvif->bssid, info->bssid); 6166 6167 if (changed & BSS_CHANGED_FTM_RESPONDER && 6168 arvif->ftm_responder != info->ftm_responder && 6169 test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) { 6170 arvif->ftm_responder = info->ftm_responder; 6171 6172 vdev_param = ar->wmi.vdev_param->rtt_responder_role; 6173 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6174 arvif->ftm_responder); 6175 6176 ath10k_dbg(ar, ATH10K_DBG_MAC, 6177 "mac vdev %d ftm_responder %d:ret %d\n", 6178 arvif->vdev_id, arvif->ftm_responder, ret); 6179 } 6180 6181 if (changed & BSS_CHANGED_BEACON_ENABLED) 6182 ath10k_control_beaconing(arvif, info); 6183 6184 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 6185 arvif->use_cts_prot = info->use_cts_prot; 6186 6187 ret = ath10k_recalc_rtscts_prot(arvif); 6188 if (ret) 6189 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", 6190 arvif->vdev_id, ret); 6191 6192 if (ath10k_mac_can_set_cts_prot(arvif)) { 6193 ret = ath10k_mac_set_cts_prot(arvif); 6194 if (ret) 6195 ath10k_warn(ar, "failed to set cts protection for vdev %d: %d\n", 6196 arvif->vdev_id, ret); 6197 } 6198 } 6199 6200 if (changed & BSS_CHANGED_ERP_SLOT) { 6201 if (info->use_short_slot) 6202 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ 6203 6204 else 6205 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ 6206 6207 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n", 6208 arvif->vdev_id, slottime); 6209 6210 vdev_param = ar->wmi.vdev_param->slot_time; 6211 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6212 slottime); 6213 if (ret) 6214 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n", 6215 arvif->vdev_id, ret); 6216 } 6217 6218 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 6219 if (info->use_short_preamble) 6220 preamble = WMI_VDEV_PREAMBLE_SHORT; 6221 else 6222 preamble = WMI_VDEV_PREAMBLE_LONG; 6223 6224 ath10k_dbg(ar, ATH10K_DBG_MAC, 6225 "mac vdev %d preamble %dn", 6226 arvif->vdev_id, preamble); 6227 6228 vdev_param = ar->wmi.vdev_param->preamble; 6229 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6230 preamble); 6231 if (ret) 6232 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n", 6233 arvif->vdev_id, ret); 6234 } 6235 6236 if (changed & BSS_CHANGED_ASSOC) { 6237 if (vif->cfg.assoc) { 6238 /* Workaround: Make sure monitor vdev is not running 6239 * when associating to prevent some firmware revisions 6240 * (e.g. 10.1 and 10.2) from crashing. 6241 */ 6242 if (ar->monitor_started) 6243 ath10k_monitor_stop(ar); 6244 ath10k_bss_assoc(hw, vif, info); 6245 ath10k_monitor_recalc(ar); 6246 } else { 6247 ath10k_bss_disassoc(hw, vif); 6248 } 6249 } 6250 6251 if (changed & BSS_CHANGED_TXPOWER) { 6252 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", 6253 arvif->vdev_id, info->txpower); 6254 6255 arvif->txpower = info->txpower; 6256 ret = ath10k_mac_txpower_recalc(ar); 6257 if (ret) 6258 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); 6259 } 6260 6261 if (changed & BSS_CHANGED_PS) { 6262 arvif->ps = vif->cfg.ps; 6263 6264 ret = ath10k_config_ps(ar); 6265 if (ret) 6266 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n", 6267 arvif->vdev_id, ret); 6268 } 6269 6270 if (changed & BSS_CHANGED_MCAST_RATE && 6271 !ath10k_mac_vif_chan(arvif->vif, &def)) { 6272 band = def.chan->band; 6273 mcast_rate = vif->bss_conf.mcast_rate[band]; 6274 if (mcast_rate > 0) 6275 rateidx = mcast_rate - 1; 6276 else 6277 rateidx = ffs(vif->bss_conf.basic_rates) - 1; 6278 6279 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) 6280 rateidx += ATH10K_MAC_FIRST_OFDM_RATE_IDX; 6281 6282 bitrate = ath10k_wmi_legacy_rates[rateidx].bitrate; 6283 hw_value = ath10k_wmi_legacy_rates[rateidx].hw_value; 6284 if (ath10k_mac_bitrate_is_cck(bitrate)) 6285 preamble = WMI_RATE_PREAMBLE_CCK; 6286 else 6287 preamble = WMI_RATE_PREAMBLE_OFDM; 6288 6289 rate = ATH10K_HW_RATECODE(hw_value, 0, preamble); 6290 6291 ath10k_dbg(ar, ATH10K_DBG_MAC, 6292 "mac vdev %d mcast_rate %x\n", 6293 arvif->vdev_id, rate); 6294 6295 vdev_param = ar->wmi.vdev_param->mcast_data_rate; 6296 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, 6297 vdev_param, rate); 6298 if (ret) 6299 ath10k_warn(ar, 6300 "failed to set mcast rate on vdev %i: %d\n", 6301 arvif->vdev_id, ret); 6302 6303 vdev_param = ar->wmi.vdev_param->bcast_data_rate; 6304 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, 6305 vdev_param, rate); 6306 if (ret) 6307 ath10k_warn(ar, 6308 "failed to set bcast rate on vdev %i: %d\n", 6309 arvif->vdev_id, ret); 6310 } 6311 6312 if (changed & BSS_CHANGED_BASIC_RATES && 6313 !ath10k_mac_vif_chan(arvif->vif, &def)) 6314 ath10k_recalculate_mgmt_rate(ar, vif, &def); 6315 6316 mutex_unlock(&ar->conf_mutex); 6317 } 6318 6319 static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, s16 value) 6320 { 6321 struct ath10k *ar = hw->priv; 6322 6323 /* This function should never be called if setting the coverage class 6324 * is not supported on this hardware. 6325 */ 6326 if (!ar->hw_params.hw_ops->set_coverage_class) { 6327 WARN_ON_ONCE(1); 6328 return; 6329 } 6330 ar->hw_params.hw_ops->set_coverage_class(ar, value); 6331 } 6332 6333 struct ath10k_mac_tdls_iter_data { 6334 u32 num_tdls_stations; 6335 struct ieee80211_vif *curr_vif; 6336 }; 6337 6338 static void ath10k_mac_tdls_vif_stations_count_iter(void *data, 6339 struct ieee80211_sta *sta) 6340 { 6341 struct ath10k_mac_tdls_iter_data *iter_data = data; 6342 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 6343 struct ieee80211_vif *sta_vif = arsta->arvif->vif; 6344 6345 if (sta->tdls && sta_vif == iter_data->curr_vif) 6346 iter_data->num_tdls_stations++; 6347 } 6348 6349 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw, 6350 struct ieee80211_vif *vif) 6351 { 6352 struct ath10k_mac_tdls_iter_data data = {}; 6353 6354 data.curr_vif = vif; 6355 6356 ieee80211_iterate_stations_atomic(hw, 6357 ath10k_mac_tdls_vif_stations_count_iter, 6358 &data); 6359 return data.num_tdls_stations; 6360 } 6361 6362 static int ath10k_hw_scan(struct ieee80211_hw *hw, 6363 struct ieee80211_vif *vif, 6364 struct ieee80211_scan_request *hw_req) 6365 { 6366 struct ath10k *ar = hw->priv; 6367 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6368 struct cfg80211_scan_request *req = &hw_req->req; 6369 struct wmi_start_scan_arg arg; 6370 int ret = 0; 6371 int i; 6372 u32 scan_timeout; 6373 6374 mutex_lock(&ar->conf_mutex); 6375 6376 if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) { 6377 ret = -EBUSY; 6378 goto exit; 6379 } 6380 6381 spin_lock_bh(&ar->data_lock); 6382 switch (ar->scan.state) { 6383 case ATH10K_SCAN_IDLE: 6384 reinit_completion(&ar->scan.started); 6385 reinit_completion(&ar->scan.completed); 6386 ar->scan.state = ATH10K_SCAN_STARTING; 6387 ar->scan.is_roc = false; 6388 ar->scan.vdev_id = arvif->vdev_id; 6389 ret = 0; 6390 break; 6391 case ATH10K_SCAN_STARTING: 6392 case ATH10K_SCAN_RUNNING: 6393 case ATH10K_SCAN_ABORTING: 6394 ret = -EBUSY; 6395 break; 6396 } 6397 spin_unlock_bh(&ar->data_lock); 6398 6399 if (ret) 6400 goto exit; 6401 6402 memset(&arg, 0, sizeof(arg)); 6403 ath10k_wmi_start_scan_init(ar, &arg); 6404 arg.vdev_id = arvif->vdev_id; 6405 arg.scan_id = ATH10K_SCAN_ID; 6406 6407 if (req->ie_len) { 6408 arg.ie_len = req->ie_len; 6409 memcpy(arg.ie, req->ie, arg.ie_len); 6410 } 6411 6412 if (req->n_ssids) { 6413 arg.n_ssids = req->n_ssids; 6414 for (i = 0; i < arg.n_ssids; i++) { 6415 arg.ssids[i].len = req->ssids[i].ssid_len; 6416 arg.ssids[i].ssid = req->ssids[i].ssid; 6417 } 6418 } else { 6419 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; 6420 } 6421 6422 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 6423 arg.scan_ctrl_flags |= WMI_SCAN_ADD_SPOOFED_MAC_IN_PROBE_REQ; 6424 ether_addr_copy(arg.mac_addr.addr, req->mac_addr); 6425 ether_addr_copy(arg.mac_mask.addr, req->mac_addr_mask); 6426 } 6427 6428 if (req->n_channels) { 6429 arg.n_channels = req->n_channels; 6430 for (i = 0; i < arg.n_channels; i++) 6431 arg.channels[i] = req->channels[i]->center_freq; 6432 } 6433 6434 /* if duration is set, default dwell times will be overwritten */ 6435 if (req->duration) { 6436 arg.dwell_time_active = req->duration; 6437 arg.dwell_time_passive = req->duration; 6438 arg.burst_duration_ms = req->duration; 6439 6440 scan_timeout = min_t(u32, arg.max_rest_time * 6441 (arg.n_channels - 1) + (req->duration + 6442 ATH10K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) * 6443 arg.n_channels, arg.max_scan_time); 6444 } else { 6445 scan_timeout = arg.max_scan_time; 6446 } 6447 6448 /* Add a 200ms margin to account for event/command processing */ 6449 scan_timeout += 200; 6450 6451 ret = ath10k_start_scan(ar, &arg); 6452 if (ret) { 6453 ath10k_warn(ar, "failed to start hw scan: %d\n", ret); 6454 spin_lock_bh(&ar->data_lock); 6455 ar->scan.state = ATH10K_SCAN_IDLE; 6456 spin_unlock_bh(&ar->data_lock); 6457 } 6458 6459 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, 6460 msecs_to_jiffies(scan_timeout)); 6461 6462 exit: 6463 mutex_unlock(&ar->conf_mutex); 6464 return ret; 6465 } 6466 6467 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, 6468 struct ieee80211_vif *vif) 6469 { 6470 struct ath10k *ar = hw->priv; 6471 6472 mutex_lock(&ar->conf_mutex); 6473 ath10k_scan_abort(ar); 6474 mutex_unlock(&ar->conf_mutex); 6475 6476 cancel_delayed_work_sync(&ar->scan.timeout); 6477 } 6478 6479 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar, 6480 struct ath10k_vif *arvif, 6481 enum set_key_cmd cmd, 6482 struct ieee80211_key_conf *key) 6483 { 6484 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid; 6485 int ret; 6486 6487 /* 10.1 firmware branch requires default key index to be set to group 6488 * key index after installing it. Otherwise FW/HW Txes corrupted 6489 * frames with multi-vif APs. This is not required for main firmware 6490 * branch (e.g. 636). 6491 * 6492 * This is also needed for 636 fw for IBSS-RSN to work more reliably. 6493 * 6494 * FIXME: It remains unknown if this is required for multi-vif STA 6495 * interfaces on 10.1. 6496 */ 6497 6498 if (arvif->vdev_type != WMI_VDEV_TYPE_AP && 6499 arvif->vdev_type != WMI_VDEV_TYPE_IBSS) 6500 return; 6501 6502 if (key->cipher == WLAN_CIPHER_SUITE_WEP40) 6503 return; 6504 6505 if (key->cipher == WLAN_CIPHER_SUITE_WEP104) 6506 return; 6507 6508 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 6509 return; 6510 6511 if (cmd != SET_KEY) 6512 return; 6513 6514 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6515 key->keyidx); 6516 if (ret) 6517 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n", 6518 arvif->vdev_id, ret); 6519 } 6520 6521 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 6522 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 6523 struct ieee80211_key_conf *key) 6524 { 6525 struct ath10k *ar = hw->priv; 6526 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6527 struct ath10k_sta *arsta; 6528 struct ath10k_peer *peer; 6529 const u8 *peer_addr; 6530 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || 6531 key->cipher == WLAN_CIPHER_SUITE_WEP104; 6532 int ret = 0; 6533 int ret2; 6534 u32 flags = 0; 6535 u32 flags2; 6536 6537 /* this one needs to be done in software */ 6538 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 6539 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 6540 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 || 6541 key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256) 6542 return 1; 6543 6544 if (arvif->nohwcrypt) 6545 return 1; 6546 6547 if (key->keyidx > WMI_MAX_KEY_INDEX) 6548 return -ENOSPC; 6549 6550 mutex_lock(&ar->conf_mutex); 6551 6552 if (sta) { 6553 arsta = (struct ath10k_sta *)sta->drv_priv; 6554 peer_addr = sta->addr; 6555 spin_lock_bh(&ar->data_lock); 6556 arsta->ucast_cipher = key->cipher; 6557 spin_unlock_bh(&ar->data_lock); 6558 } else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { 6559 peer_addr = vif->bss_conf.bssid; 6560 } else { 6561 peer_addr = vif->addr; 6562 } 6563 6564 key->hw_key_idx = key->keyidx; 6565 6566 if (is_wep) { 6567 if (cmd == SET_KEY) 6568 arvif->wep_keys[key->keyidx] = key; 6569 else 6570 arvif->wep_keys[key->keyidx] = NULL; 6571 } 6572 6573 /* the peer should not disappear in mid-way (unless FW goes awry) since 6574 * we already hold conf_mutex. we just make sure its there now. 6575 */ 6576 spin_lock_bh(&ar->data_lock); 6577 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); 6578 spin_unlock_bh(&ar->data_lock); 6579 6580 if (!peer) { 6581 if (cmd == SET_KEY) { 6582 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n", 6583 peer_addr); 6584 ret = -EOPNOTSUPP; 6585 goto exit; 6586 } else { 6587 /* if the peer doesn't exist there is no key to disable anymore */ 6588 goto exit; 6589 } 6590 } 6591 6592 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 6593 flags |= WMI_KEY_PAIRWISE; 6594 else 6595 flags |= WMI_KEY_GROUP; 6596 6597 if (is_wep) { 6598 if (cmd == DISABLE_KEY) 6599 ath10k_clear_vdev_key(arvif, key); 6600 6601 /* When WEP keys are uploaded it's possible that there are 6602 * stations associated already (e.g. when merging) without any 6603 * keys. Static WEP needs an explicit per-peer key upload. 6604 */ 6605 if (vif->type == NL80211_IFTYPE_ADHOC && 6606 cmd == SET_KEY) 6607 ath10k_mac_vif_update_wep_key(arvif, key); 6608 6609 /* 802.1x never sets the def_wep_key_idx so each set_key() 6610 * call changes default tx key. 6611 * 6612 * Static WEP sets def_wep_key_idx via .set_default_unicast_key 6613 * after first set_key(). 6614 */ 6615 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1) 6616 flags |= WMI_KEY_TX_USAGE; 6617 } 6618 6619 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags); 6620 if (ret) { 6621 WARN_ON(ret > 0); 6622 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", 6623 arvif->vdev_id, peer_addr, ret); 6624 goto exit; 6625 } 6626 6627 /* mac80211 sets static WEP keys as groupwise while firmware requires 6628 * them to be installed twice as both pairwise and groupwise. 6629 */ 6630 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) { 6631 flags2 = flags; 6632 flags2 &= ~WMI_KEY_GROUP; 6633 flags2 |= WMI_KEY_PAIRWISE; 6634 6635 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2); 6636 if (ret) { 6637 WARN_ON(ret > 0); 6638 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n", 6639 arvif->vdev_id, peer_addr, ret); 6640 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY, 6641 peer_addr, flags); 6642 if (ret2) { 6643 WARN_ON(ret2 > 0); 6644 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n", 6645 arvif->vdev_id, peer_addr, ret2); 6646 } 6647 goto exit; 6648 } 6649 } 6650 6651 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key); 6652 6653 spin_lock_bh(&ar->data_lock); 6654 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); 6655 if (peer && cmd == SET_KEY) 6656 peer->keys[key->keyidx] = key; 6657 else if (peer && cmd == DISABLE_KEY) 6658 peer->keys[key->keyidx] = NULL; 6659 else if (peer == NULL) 6660 /* impossible unless FW goes crazy */ 6661 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr); 6662 spin_unlock_bh(&ar->data_lock); 6663 6664 if (sta && sta->tdls) 6665 ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6666 ar->wmi.peer_param->authorize, 1); 6667 else if (sta && cmd == SET_KEY && (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 6668 ath10k_wmi_peer_set_param(ar, arvif->vdev_id, peer_addr, 6669 ar->wmi.peer_param->authorize, 1); 6670 6671 exit: 6672 mutex_unlock(&ar->conf_mutex); 6673 return ret; 6674 } 6675 6676 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw, 6677 struct ieee80211_vif *vif, 6678 int keyidx) 6679 { 6680 struct ath10k *ar = hw->priv; 6681 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6682 int ret; 6683 6684 mutex_lock(&arvif->ar->conf_mutex); 6685 6686 if (arvif->ar->state != ATH10K_STATE_ON) 6687 goto unlock; 6688 6689 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", 6690 arvif->vdev_id, keyidx); 6691 6692 ret = ath10k_wmi_vdev_set_param(arvif->ar, 6693 arvif->vdev_id, 6694 arvif->ar->wmi.vdev_param->def_keyid, 6695 keyidx); 6696 6697 if (ret) { 6698 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", 6699 arvif->vdev_id, 6700 ret); 6701 goto unlock; 6702 } 6703 6704 arvif->def_wep_key_idx = keyidx; 6705 6706 unlock: 6707 mutex_unlock(&arvif->ar->conf_mutex); 6708 } 6709 6710 static void ath10k_sta_rc_update_wk(struct work_struct *wk) 6711 { 6712 struct ath10k *ar; 6713 struct ath10k_vif *arvif; 6714 struct ath10k_sta *arsta; 6715 struct ieee80211_sta *sta; 6716 struct cfg80211_chan_def def; 6717 enum nl80211_band band; 6718 const u8 *ht_mcs_mask; 6719 const u16 *vht_mcs_mask; 6720 u32 changed, bw, nss, smps; 6721 int err; 6722 6723 arsta = container_of(wk, struct ath10k_sta, update_wk); 6724 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 6725 arvif = arsta->arvif; 6726 ar = arvif->ar; 6727 6728 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) 6729 return; 6730 6731 band = def.chan->band; 6732 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 6733 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 6734 6735 spin_lock_bh(&ar->data_lock); 6736 6737 changed = arsta->changed; 6738 arsta->changed = 0; 6739 6740 bw = arsta->bw; 6741 nss = arsta->nss; 6742 smps = arsta->smps; 6743 6744 spin_unlock_bh(&ar->data_lock); 6745 6746 mutex_lock(&ar->conf_mutex); 6747 6748 nss = max_t(u32, 1, nss); 6749 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask), 6750 ath10k_mac_max_vht_nss(vht_mcs_mask))); 6751 6752 if (changed & IEEE80211_RC_BW_CHANGED) { 6753 enum wmi_phy_mode mode; 6754 6755 mode = chan_to_phymode(&def); 6756 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM peer bw %d phymode %d\n", 6757 sta->addr, bw, mode); 6758 6759 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6760 ar->wmi.peer_param->phymode, mode); 6761 if (err) { 6762 ath10k_warn(ar, "failed to update STA %pM peer phymode %d: %d\n", 6763 sta->addr, mode, err); 6764 goto exit; 6765 } 6766 6767 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6768 ar->wmi.peer_param->chan_width, bw); 6769 if (err) 6770 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n", 6771 sta->addr, bw, err); 6772 } 6773 6774 if (changed & IEEE80211_RC_NSS_CHANGED) { 6775 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM nss %d\n", 6776 sta->addr, nss); 6777 6778 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6779 ar->wmi.peer_param->nss, nss); 6780 if (err) 6781 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n", 6782 sta->addr, nss, err); 6783 } 6784 6785 if (changed & IEEE80211_RC_SMPS_CHANGED) { 6786 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM smps %d\n", 6787 sta->addr, smps); 6788 6789 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6790 ar->wmi.peer_param->smps_state, smps); 6791 if (err) 6792 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n", 6793 sta->addr, smps, err); 6794 } 6795 6796 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { 6797 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM supp rates\n", 6798 sta->addr); 6799 6800 err = ath10k_station_assoc(ar, arvif->vif, sta, true); 6801 if (err) 6802 ath10k_warn(ar, "failed to reassociate station: %pM\n", 6803 sta->addr); 6804 } 6805 6806 exit: 6807 mutex_unlock(&ar->conf_mutex); 6808 } 6809 6810 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif, 6811 struct ieee80211_sta *sta) 6812 { 6813 struct ath10k *ar = arvif->ar; 6814 6815 lockdep_assert_held(&ar->conf_mutex); 6816 6817 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 6818 return 0; 6819 6820 if (ar->num_stations >= ar->max_num_stations) 6821 return -ENOBUFS; 6822 6823 ar->num_stations++; 6824 6825 return 0; 6826 } 6827 6828 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif, 6829 struct ieee80211_sta *sta) 6830 { 6831 struct ath10k *ar = arvif->ar; 6832 6833 lockdep_assert_held(&ar->conf_mutex); 6834 6835 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 6836 return; 6837 6838 ar->num_stations--; 6839 } 6840 6841 static int ath10k_sta_set_txpwr(struct ieee80211_hw *hw, 6842 struct ieee80211_vif *vif, 6843 struct ieee80211_sta *sta) 6844 { 6845 struct ath10k *ar = hw->priv; 6846 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6847 int ret = 0; 6848 s16 txpwr; 6849 6850 if (sta->deflink.txpwr.type == NL80211_TX_POWER_AUTOMATIC) { 6851 txpwr = 0; 6852 } else { 6853 txpwr = sta->deflink.txpwr.power; 6854 if (!txpwr) 6855 return -EINVAL; 6856 } 6857 6858 if (txpwr > ATH10K_TX_POWER_MAX_VAL || txpwr < ATH10K_TX_POWER_MIN_VAL) 6859 return -EINVAL; 6860 6861 mutex_lock(&ar->conf_mutex); 6862 6863 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6864 ar->wmi.peer_param->use_fixed_power, txpwr); 6865 if (ret) { 6866 ath10k_warn(ar, "failed to set tx power for station ret: %d\n", 6867 ret); 6868 goto out; 6869 } 6870 6871 out: 6872 mutex_unlock(&ar->conf_mutex); 6873 return ret; 6874 } 6875 6876 struct ath10k_mac_iter_tid_conf_data { 6877 struct ieee80211_vif *curr_vif; 6878 struct ath10k *ar; 6879 bool reset_config; 6880 }; 6881 6882 static bool 6883 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar, 6884 enum nl80211_band band, 6885 const struct cfg80211_bitrate_mask *mask, 6886 int *vht_num_rates) 6887 { 6888 int num_rates = 0; 6889 int i, tmp; 6890 6891 num_rates += hweight32(mask->control[band].legacy); 6892 6893 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) 6894 num_rates += hweight8(mask->control[band].ht_mcs[i]); 6895 6896 *vht_num_rates = 0; 6897 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 6898 tmp = hweight16(mask->control[band].vht_mcs[i]); 6899 num_rates += tmp; 6900 *vht_num_rates += tmp; 6901 } 6902 6903 return num_rates == 1; 6904 } 6905 6906 static int 6907 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar, 6908 enum nl80211_band band, 6909 const struct cfg80211_bitrate_mask *mask, 6910 u8 *rate, u8 *nss, bool vht_only) 6911 { 6912 int rate_idx; 6913 int i; 6914 u16 bitrate; 6915 u8 preamble; 6916 u8 hw_rate; 6917 6918 if (vht_only) 6919 goto next; 6920 6921 if (hweight32(mask->control[band].legacy) == 1) { 6922 rate_idx = ffs(mask->control[band].legacy) - 1; 6923 6924 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) 6925 rate_idx += ATH10K_MAC_FIRST_OFDM_RATE_IDX; 6926 6927 hw_rate = ath10k_wmi_legacy_rates[rate_idx].hw_value; 6928 bitrate = ath10k_wmi_legacy_rates[rate_idx].bitrate; 6929 6930 if (ath10k_mac_bitrate_is_cck(bitrate)) 6931 preamble = WMI_RATE_PREAMBLE_CCK; 6932 else 6933 preamble = WMI_RATE_PREAMBLE_OFDM; 6934 6935 *nss = 1; 6936 *rate = preamble << 6 | 6937 (*nss - 1) << 4 | 6938 hw_rate << 0; 6939 6940 return 0; 6941 } 6942 6943 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { 6944 if (hweight8(mask->control[band].ht_mcs[i]) == 1) { 6945 *nss = i + 1; 6946 *rate = WMI_RATE_PREAMBLE_HT << 6 | 6947 (*nss - 1) << 4 | 6948 (ffs(mask->control[band].ht_mcs[i]) - 1); 6949 6950 return 0; 6951 } 6952 } 6953 6954 next: 6955 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 6956 if (hweight16(mask->control[band].vht_mcs[i]) == 1) { 6957 *nss = i + 1; 6958 *rate = WMI_RATE_PREAMBLE_VHT << 6 | 6959 (*nss - 1) << 4 | 6960 (ffs(mask->control[band].vht_mcs[i]) - 1); 6961 6962 return 0; 6963 } 6964 } 6965 6966 return -EINVAL; 6967 } 6968 6969 static int ath10k_mac_validate_rate_mask(struct ath10k *ar, 6970 struct ieee80211_sta *sta, 6971 u32 rate_ctrl_flag, u8 nss) 6972 { 6973 struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; 6974 struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap; 6975 6976 if (nss > sta->deflink.rx_nss) { 6977 ath10k_warn(ar, "Invalid nss field, configured %u limit %u\n", 6978 nss, sta->deflink.rx_nss); 6979 return -EINVAL; 6980 } 6981 6982 if (ATH10K_HW_PREAMBLE(rate_ctrl_flag) == WMI_RATE_PREAMBLE_VHT) { 6983 if (!vht_cap->vht_supported) { 6984 ath10k_warn(ar, "Invalid VHT rate for sta %pM\n", 6985 sta->addr); 6986 return -EINVAL; 6987 } 6988 } else if (ATH10K_HW_PREAMBLE(rate_ctrl_flag) == WMI_RATE_PREAMBLE_HT) { 6989 if (!ht_cap->ht_supported || vht_cap->vht_supported) { 6990 ath10k_warn(ar, "Invalid HT rate for sta %pM\n", 6991 sta->addr); 6992 return -EINVAL; 6993 } 6994 } else { 6995 if (ht_cap->ht_supported || vht_cap->vht_supported) 6996 return -EINVAL; 6997 } 6998 6999 return 0; 7000 } 7001 7002 static int 7003 ath10k_mac_tid_bitrate_config(struct ath10k *ar, 7004 struct ieee80211_vif *vif, 7005 struct ieee80211_sta *sta, 7006 u32 *rate_ctrl_flag, u8 *rate_ctrl, 7007 enum nl80211_tx_rate_setting txrate_type, 7008 const struct cfg80211_bitrate_mask *mask) 7009 { 7010 struct cfg80211_chan_def def; 7011 enum nl80211_band band; 7012 u8 nss, rate; 7013 int vht_num_rates, ret; 7014 7015 if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) 7016 return -EINVAL; 7017 7018 if (txrate_type == NL80211_TX_RATE_AUTOMATIC) { 7019 *rate_ctrl = WMI_TID_CONFIG_RATE_CONTROL_AUTO; 7020 *rate_ctrl_flag = 0; 7021 return 0; 7022 } 7023 7024 band = def.chan->band; 7025 7026 if (!ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask, 7027 &vht_num_rates)) { 7028 return -EINVAL; 7029 } 7030 7031 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, 7032 &rate, &nss, false); 7033 if (ret) { 7034 ath10k_warn(ar, "failed to get single rate: %d\n", 7035 ret); 7036 return ret; 7037 } 7038 7039 *rate_ctrl_flag = rate; 7040 7041 if (sta && ath10k_mac_validate_rate_mask(ar, sta, *rate_ctrl_flag, nss)) 7042 return -EINVAL; 7043 7044 if (txrate_type == NL80211_TX_RATE_FIXED) 7045 *rate_ctrl = WMI_TID_CONFIG_RATE_CONTROL_FIXED_RATE; 7046 else if (txrate_type == NL80211_TX_RATE_LIMITED && 7047 (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT, 7048 ar->wmi.svc_map))) 7049 *rate_ctrl = WMI_PEER_TID_CONFIG_RATE_UPPER_CAP; 7050 else 7051 return -EOPNOTSUPP; 7052 7053 return 0; 7054 } 7055 7056 static int ath10k_mac_set_tid_config(struct ath10k *ar, struct ieee80211_sta *sta, 7057 struct ieee80211_vif *vif, u32 changed, 7058 struct wmi_per_peer_per_tid_cfg_arg *arg) 7059 { 7060 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7061 struct ath10k_sta *arsta; 7062 int ret; 7063 7064 if (sta) { 7065 if (!sta->wme) 7066 return -ENOTSUPP; 7067 7068 arsta = (struct ath10k_sta *)sta->drv_priv; 7069 7070 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7071 if ((arsta->retry_long[arg->tid] > 0 || 7072 arsta->rate_code[arg->tid] > 0 || 7073 arsta->ampdu[arg->tid] == 7074 WMI_TID_CONFIG_AGGR_CONTROL_ENABLE) && 7075 arg->ack_policy == WMI_PEER_TID_CONFIG_NOACK) { 7076 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_NOACK); 7077 arg->ack_policy = 0; 7078 arg->aggr_control = 0; 7079 arg->rate_ctrl = 0; 7080 arg->rcode_flags = 0; 7081 } 7082 } 7083 7084 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7085 if (arsta->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK || 7086 arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) { 7087 arg->aggr_control = 0; 7088 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG); 7089 } 7090 } 7091 7092 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7093 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7094 if (arsta->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK || 7095 arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) { 7096 arg->rate_ctrl = 0; 7097 arg->rcode_flags = 0; 7098 } 7099 } 7100 7101 ether_addr_copy(arg->peer_macaddr.addr, sta->addr); 7102 7103 ret = ath10k_wmi_set_per_peer_per_tid_cfg(ar, arg); 7104 if (ret) 7105 return ret; 7106 7107 /* Store the configured parameters in success case */ 7108 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7109 arsta->noack[arg->tid] = arg->ack_policy; 7110 arg->ack_policy = 0; 7111 arg->aggr_control = 0; 7112 arg->rate_ctrl = 0; 7113 arg->rcode_flags = 0; 7114 } 7115 7116 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) { 7117 arsta->retry_long[arg->tid] = arg->retry_count; 7118 arg->retry_count = 0; 7119 } 7120 7121 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7122 arsta->ampdu[arg->tid] = arg->aggr_control; 7123 arg->aggr_control = 0; 7124 } 7125 7126 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7127 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7128 arsta->rate_ctrl[arg->tid] = arg->rate_ctrl; 7129 arg->rate_ctrl = 0; 7130 arg->rcode_flags = 0; 7131 } 7132 7133 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7134 arsta->rtscts[arg->tid] = arg->rtscts_ctrl; 7135 arg->ext_tid_cfg_bitmap = 0; 7136 } 7137 } else { 7138 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7139 if ((arvif->retry_long[arg->tid] || 7140 arvif->rate_code[arg->tid] || 7141 arvif->ampdu[arg->tid] == 7142 WMI_TID_CONFIG_AGGR_CONTROL_ENABLE) && 7143 arg->ack_policy == WMI_PEER_TID_CONFIG_NOACK) { 7144 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_NOACK); 7145 } else { 7146 arvif->noack[arg->tid] = arg->ack_policy; 7147 arvif->ampdu[arg->tid] = arg->aggr_control; 7148 arvif->rate_ctrl[arg->tid] = arg->rate_ctrl; 7149 } 7150 } 7151 7152 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) { 7153 if (arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) 7154 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG); 7155 else 7156 arvif->retry_long[arg->tid] = arg->retry_count; 7157 } 7158 7159 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7160 if (arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) 7161 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); 7162 else 7163 arvif->ampdu[arg->tid] = arg->aggr_control; 7164 } 7165 7166 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7167 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7168 if (arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) { 7169 changed &= ~(BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7170 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE)); 7171 } else { 7172 arvif->rate_ctrl[arg->tid] = arg->rate_ctrl; 7173 arvif->rate_code[arg->tid] = arg->rcode_flags; 7174 } 7175 } 7176 7177 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7178 arvif->rtscts[arg->tid] = arg->rtscts_ctrl; 7179 arg->ext_tid_cfg_bitmap = 0; 7180 } 7181 7182 if (changed) 7183 arvif->tid_conf_changed[arg->tid] |= changed; 7184 } 7185 7186 return 0; 7187 } 7188 7189 static int 7190 ath10k_mac_parse_tid_config(struct ath10k *ar, 7191 struct ieee80211_sta *sta, 7192 struct ieee80211_vif *vif, 7193 struct cfg80211_tid_cfg *tid_conf, 7194 struct wmi_per_peer_per_tid_cfg_arg *arg) 7195 { 7196 u32 changed = tid_conf->mask; 7197 int ret = 0, i = 0; 7198 7199 if (!changed) 7200 return -EINVAL; 7201 7202 while (i < ATH10K_TID_MAX) { 7203 if (!(tid_conf->tids & BIT(i))) { 7204 i++; 7205 continue; 7206 } 7207 7208 arg->tid = i; 7209 7210 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7211 if (tid_conf->noack == NL80211_TID_CONFIG_ENABLE) { 7212 arg->ack_policy = WMI_PEER_TID_CONFIG_NOACK; 7213 arg->rate_ctrl = 7214 WMI_TID_CONFIG_RATE_CONTROL_DEFAULT_LOWEST_RATE; 7215 arg->aggr_control = 7216 WMI_TID_CONFIG_AGGR_CONTROL_DISABLE; 7217 } else { 7218 arg->ack_policy = 7219 WMI_PEER_TID_CONFIG_ACK; 7220 arg->rate_ctrl = 7221 WMI_TID_CONFIG_RATE_CONTROL_AUTO; 7222 arg->aggr_control = 7223 WMI_TID_CONFIG_AGGR_CONTROL_ENABLE; 7224 } 7225 } 7226 7227 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) 7228 arg->retry_count = tid_conf->retry_long; 7229 7230 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7231 if (tid_conf->noack == NL80211_TID_CONFIG_ENABLE) 7232 arg->aggr_control = WMI_TID_CONFIG_AGGR_CONTROL_ENABLE; 7233 else 7234 arg->aggr_control = WMI_TID_CONFIG_AGGR_CONTROL_DISABLE; 7235 } 7236 7237 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7238 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7239 ret = ath10k_mac_tid_bitrate_config(ar, vif, sta, 7240 &arg->rcode_flags, 7241 &arg->rate_ctrl, 7242 tid_conf->txrate_type, 7243 &tid_conf->txrate_mask); 7244 if (ret) { 7245 ath10k_warn(ar, "failed to configure bitrate mask %d\n", 7246 ret); 7247 arg->rcode_flags = 0; 7248 arg->rate_ctrl = 0; 7249 } 7250 } 7251 7252 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7253 if (tid_conf->rtscts) 7254 arg->rtscts_ctrl = tid_conf->rtscts; 7255 7256 arg->ext_tid_cfg_bitmap = WMI_EXT_TID_RTS_CTS_CONFIG; 7257 } 7258 7259 ret = ath10k_mac_set_tid_config(ar, sta, vif, changed, arg); 7260 if (ret) 7261 return ret; 7262 i++; 7263 } 7264 7265 return ret; 7266 } 7267 7268 static int ath10k_mac_reset_tid_config(struct ath10k *ar, 7269 struct ieee80211_sta *sta, 7270 struct ath10k_vif *arvif, 7271 u8 tids) 7272 { 7273 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 7274 struct wmi_per_peer_per_tid_cfg_arg arg; 7275 int ret = 0, i = 0; 7276 7277 arg.vdev_id = arvif->vdev_id; 7278 while (i < ATH10K_TID_MAX) { 7279 if (!(tids & BIT(i))) { 7280 i++; 7281 continue; 7282 } 7283 7284 arg.tid = i; 7285 arg.ack_policy = WMI_PEER_TID_CONFIG_ACK; 7286 arg.retry_count = ATH10K_MAX_RETRY_COUNT; 7287 arg.rate_ctrl = WMI_TID_CONFIG_RATE_CONTROL_AUTO; 7288 arg.aggr_control = WMI_TID_CONFIG_AGGR_CONTROL_ENABLE; 7289 arg.rtscts_ctrl = WMI_TID_CONFIG_RTSCTS_CONTROL_ENABLE; 7290 arg.ext_tid_cfg_bitmap = WMI_EXT_TID_RTS_CTS_CONFIG; 7291 7292 ether_addr_copy(arg.peer_macaddr.addr, sta->addr); 7293 7294 ret = ath10k_wmi_set_per_peer_per_tid_cfg(ar, &arg); 7295 if (ret) 7296 return ret; 7297 7298 if (!arvif->tids_rst) { 7299 arsta->retry_long[i] = -1; 7300 arsta->noack[i] = -1; 7301 arsta->ampdu[i] = -1; 7302 arsta->rate_code[i] = -1; 7303 arsta->rate_ctrl[i] = 0; 7304 arsta->rtscts[i] = -1; 7305 } else { 7306 arvif->retry_long[i] = 0; 7307 arvif->noack[i] = 0; 7308 arvif->ampdu[i] = 0; 7309 arvif->rate_code[i] = 0; 7310 arvif->rate_ctrl[i] = 0; 7311 arvif->rtscts[i] = 0; 7312 } 7313 7314 i++; 7315 } 7316 7317 return ret; 7318 } 7319 7320 static void ath10k_sta_tid_cfg_wk(struct work_struct *wk) 7321 { 7322 struct wmi_per_peer_per_tid_cfg_arg arg = {}; 7323 struct ieee80211_sta *sta; 7324 struct ath10k_sta *arsta; 7325 struct ath10k_vif *arvif; 7326 struct ath10k *ar; 7327 bool config_apply; 7328 int ret, i; 7329 u32 changed; 7330 u8 nss; 7331 7332 arsta = container_of(wk, struct ath10k_sta, tid_config_wk); 7333 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 7334 arvif = arsta->arvif; 7335 ar = arvif->ar; 7336 7337 mutex_lock(&ar->conf_mutex); 7338 7339 if (arvif->tids_rst) { 7340 ret = ath10k_mac_reset_tid_config(ar, sta, arvif, 7341 arvif->tids_rst); 7342 goto exit; 7343 } 7344 7345 ether_addr_copy(arg.peer_macaddr.addr, sta->addr); 7346 7347 for (i = 0; i < ATH10K_TID_MAX; i++) { 7348 config_apply = false; 7349 changed = arvif->tid_conf_changed[i]; 7350 7351 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7352 if (arsta->noack[i] != -1) { 7353 arg.ack_policy = 0; 7354 } else { 7355 config_apply = true; 7356 arg.ack_policy = arvif->noack[i]; 7357 arg.aggr_control = arvif->ampdu[i]; 7358 arg.rate_ctrl = arvif->rate_ctrl[i]; 7359 } 7360 } 7361 7362 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) { 7363 if (arsta->retry_long[i] != -1 || 7364 arsta->noack[i] == WMI_PEER_TID_CONFIG_NOACK || 7365 arvif->noack[i] == WMI_PEER_TID_CONFIG_NOACK) { 7366 arg.retry_count = 0; 7367 } else { 7368 arg.retry_count = arvif->retry_long[i]; 7369 config_apply = true; 7370 } 7371 } 7372 7373 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7374 if (arsta->ampdu[i] != -1 || 7375 arsta->noack[i] == WMI_PEER_TID_CONFIG_NOACK || 7376 arvif->noack[i] == WMI_PEER_TID_CONFIG_NOACK) { 7377 arg.aggr_control = 0; 7378 } else { 7379 arg.aggr_control = arvif->ampdu[i]; 7380 config_apply = true; 7381 } 7382 } 7383 7384 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7385 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7386 nss = ATH10K_HW_NSS(arvif->rate_code[i]); 7387 ret = ath10k_mac_validate_rate_mask(ar, sta, 7388 arvif->rate_code[i], 7389 nss); 7390 if (ret && 7391 arvif->rate_ctrl[i] > WMI_TID_CONFIG_RATE_CONTROL_AUTO) { 7392 arg.rate_ctrl = 0; 7393 arg.rcode_flags = 0; 7394 } 7395 7396 if (arsta->rate_ctrl[i] > 7397 WMI_TID_CONFIG_RATE_CONTROL_AUTO || 7398 arsta->noack[i] == WMI_PEER_TID_CONFIG_NOACK || 7399 arvif->noack[i] == WMI_PEER_TID_CONFIG_NOACK) { 7400 arg.rate_ctrl = 0; 7401 arg.rcode_flags = 0; 7402 } else { 7403 arg.rate_ctrl = arvif->rate_ctrl[i]; 7404 arg.rcode_flags = arvif->rate_code[i]; 7405 config_apply = true; 7406 } 7407 } 7408 7409 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7410 if (arsta->rtscts[i]) { 7411 arg.rtscts_ctrl = 0; 7412 arg.ext_tid_cfg_bitmap = 0; 7413 } else { 7414 arg.rtscts_ctrl = arvif->rtscts[i] - 1; 7415 arg.ext_tid_cfg_bitmap = 7416 WMI_EXT_TID_RTS_CTS_CONFIG; 7417 config_apply = true; 7418 } 7419 } 7420 7421 arg.tid = i; 7422 7423 if (config_apply) { 7424 ret = ath10k_wmi_set_per_peer_per_tid_cfg(ar, &arg); 7425 if (ret) 7426 ath10k_warn(ar, "failed to set per tid config for sta %pM: %d\n", 7427 sta->addr, ret); 7428 } 7429 7430 arg.ack_policy = 0; 7431 arg.retry_count = 0; 7432 arg.aggr_control = 0; 7433 arg.rate_ctrl = 0; 7434 arg.rcode_flags = 0; 7435 } 7436 7437 exit: 7438 mutex_unlock(&ar->conf_mutex); 7439 } 7440 7441 static void ath10k_mac_vif_stations_tid_conf(void *data, 7442 struct ieee80211_sta *sta) 7443 { 7444 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 7445 struct ath10k_mac_iter_tid_conf_data *iter_data = data; 7446 struct ieee80211_vif *sta_vif = arsta->arvif->vif; 7447 7448 if (sta_vif != iter_data->curr_vif || !sta->wme) 7449 return; 7450 7451 ieee80211_queue_work(iter_data->ar->hw, &arsta->tid_config_wk); 7452 } 7453 7454 static int ath10k_sta_state(struct ieee80211_hw *hw, 7455 struct ieee80211_vif *vif, 7456 struct ieee80211_sta *sta, 7457 enum ieee80211_sta_state old_state, 7458 enum ieee80211_sta_state new_state) 7459 { 7460 struct ath10k *ar = hw->priv; 7461 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7462 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 7463 struct ath10k_peer *peer; 7464 int ret = 0; 7465 int i; 7466 7467 if (old_state == IEEE80211_STA_NOTEXIST && 7468 new_state == IEEE80211_STA_NONE) { 7469 memset(arsta, 0, sizeof(*arsta)); 7470 arsta->arvif = arvif; 7471 arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED; 7472 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk); 7473 INIT_WORK(&arsta->tid_config_wk, ath10k_sta_tid_cfg_wk); 7474 7475 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 7476 ath10k_mac_txq_init(sta->txq[i]); 7477 } 7478 7479 /* cancel must be done outside the mutex to avoid deadlock */ 7480 if ((old_state == IEEE80211_STA_NONE && 7481 new_state == IEEE80211_STA_NOTEXIST)) { 7482 cancel_work_sync(&arsta->update_wk); 7483 cancel_work_sync(&arsta->tid_config_wk); 7484 } 7485 7486 mutex_lock(&ar->conf_mutex); 7487 7488 if (old_state == IEEE80211_STA_NOTEXIST && 7489 new_state == IEEE80211_STA_NONE) { 7490 /* 7491 * New station addition. 7492 */ 7493 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT; 7494 u32 num_tdls_stations; 7495 7496 ath10k_dbg(ar, ATH10K_DBG_STA, 7497 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n", 7498 arvif->vdev_id, sta->addr, 7499 ar->num_stations + 1, ar->max_num_stations, 7500 ar->num_peers + 1, ar->max_num_peers); 7501 7502 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif); 7503 7504 if (sta->tdls) { 7505 if (num_tdls_stations >= ar->max_num_tdls_vdevs) { 7506 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n", 7507 arvif->vdev_id, 7508 ar->max_num_tdls_vdevs); 7509 ret = -ELNRNG; 7510 goto exit; 7511 } 7512 peer_type = WMI_PEER_TYPE_TDLS; 7513 } 7514 7515 ret = ath10k_mac_inc_num_stations(arvif, sta); 7516 if (ret) { 7517 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n", 7518 ar->max_num_stations); 7519 goto exit; 7520 } 7521 7522 if (ath10k_debug_is_extd_tx_stats_enabled(ar)) { 7523 arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), 7524 GFP_KERNEL); 7525 if (!arsta->tx_stats) { 7526 ath10k_mac_dec_num_stations(arvif, sta); 7527 ret = -ENOMEM; 7528 goto exit; 7529 } 7530 } 7531 7532 ret = ath10k_peer_create(ar, vif, sta, arvif->vdev_id, 7533 sta->addr, peer_type); 7534 if (ret) { 7535 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", 7536 sta->addr, arvif->vdev_id, ret); 7537 ath10k_mac_dec_num_stations(arvif, sta); 7538 kfree(arsta->tx_stats); 7539 goto exit; 7540 } 7541 7542 spin_lock_bh(&ar->data_lock); 7543 7544 peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr); 7545 if (!peer) { 7546 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", 7547 vif->addr, arvif->vdev_id); 7548 spin_unlock_bh(&ar->data_lock); 7549 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); 7550 ath10k_mac_dec_num_stations(arvif, sta); 7551 kfree(arsta->tx_stats); 7552 ret = -ENOENT; 7553 goto exit; 7554 } 7555 7556 arsta->peer_id = find_first_bit(peer->peer_ids, 7557 ATH10K_MAX_NUM_PEER_IDS); 7558 7559 spin_unlock_bh(&ar->data_lock); 7560 7561 if (!sta->tdls) 7562 goto exit; 7563 7564 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, 7565 WMI_TDLS_ENABLE_ACTIVE); 7566 if (ret) { 7567 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", 7568 arvif->vdev_id, ret); 7569 ath10k_peer_delete(ar, arvif->vdev_id, 7570 sta->addr); 7571 ath10k_mac_dec_num_stations(arvif, sta); 7572 kfree(arsta->tx_stats); 7573 goto exit; 7574 } 7575 7576 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, 7577 WMI_TDLS_PEER_STATE_PEERING); 7578 if (ret) { 7579 ath10k_warn(ar, 7580 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n", 7581 sta->addr, arvif->vdev_id, ret); 7582 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); 7583 ath10k_mac_dec_num_stations(arvif, sta); 7584 kfree(arsta->tx_stats); 7585 7586 if (num_tdls_stations != 0) 7587 goto exit; 7588 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, 7589 WMI_TDLS_DISABLE); 7590 } 7591 } else if ((old_state == IEEE80211_STA_NONE && 7592 new_state == IEEE80211_STA_NOTEXIST)) { 7593 /* 7594 * Existing station deletion. 7595 */ 7596 ath10k_dbg(ar, ATH10K_DBG_STA, 7597 "mac vdev %d peer delete %pM sta %pK (sta gone)\n", 7598 arvif->vdev_id, sta->addr, sta); 7599 7600 if (sta->tdls) { 7601 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, 7602 sta, 7603 WMI_TDLS_PEER_STATE_TEARDOWN); 7604 if (ret) 7605 ath10k_warn(ar, "failed to update tdls peer state for %pM state %d: %i\n", 7606 sta->addr, 7607 WMI_TDLS_PEER_STATE_TEARDOWN, ret); 7608 } 7609 7610 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); 7611 if (ret) 7612 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", 7613 sta->addr, arvif->vdev_id, ret); 7614 7615 ath10k_mac_dec_num_stations(arvif, sta); 7616 7617 spin_lock_bh(&ar->data_lock); 7618 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { 7619 peer = ar->peer_map[i]; 7620 if (!peer) 7621 continue; 7622 7623 if (peer->sta == sta) { 7624 ath10k_warn(ar, "found sta peer %pM (ptr %pK id %d) entry on vdev %i after it was supposedly removed\n", 7625 sta->addr, peer, i, arvif->vdev_id); 7626 peer->sta = NULL; 7627 7628 /* Clean up the peer object as well since we 7629 * must have failed to do this above. 7630 */ 7631 ath10k_peer_map_cleanup(ar, peer); 7632 } 7633 } 7634 spin_unlock_bh(&ar->data_lock); 7635 7636 if (ath10k_debug_is_extd_tx_stats_enabled(ar)) { 7637 kfree(arsta->tx_stats); 7638 arsta->tx_stats = NULL; 7639 } 7640 7641 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 7642 ath10k_mac_txq_unref(ar, sta->txq[i]); 7643 7644 if (!sta->tdls) 7645 goto exit; 7646 7647 if (ath10k_mac_tdls_vif_stations_count(hw, vif)) 7648 goto exit; 7649 7650 /* This was the last tdls peer in current vif */ 7651 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, 7652 WMI_TDLS_DISABLE); 7653 if (ret) { 7654 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", 7655 arvif->vdev_id, ret); 7656 } 7657 } else if (old_state == IEEE80211_STA_AUTH && 7658 new_state == IEEE80211_STA_ASSOC && 7659 (vif->type == NL80211_IFTYPE_AP || 7660 vif->type == NL80211_IFTYPE_MESH_POINT || 7661 vif->type == NL80211_IFTYPE_ADHOC)) { 7662 /* 7663 * New association. 7664 */ 7665 ath10k_dbg(ar, ATH10K_DBG_STA, "mac sta %pM associated\n", 7666 sta->addr); 7667 7668 ret = ath10k_station_assoc(ar, vif, sta, false); 7669 if (ret) 7670 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", 7671 sta->addr, arvif->vdev_id, ret); 7672 } else if (old_state == IEEE80211_STA_ASSOC && 7673 new_state == IEEE80211_STA_AUTHORIZED && 7674 sta->tdls) { 7675 /* 7676 * Tdls station authorized. 7677 */ 7678 ath10k_dbg(ar, ATH10K_DBG_STA, "mac tdls sta %pM authorized\n", 7679 sta->addr); 7680 7681 ret = ath10k_station_assoc(ar, vif, sta, false); 7682 if (ret) { 7683 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n", 7684 sta->addr, arvif->vdev_id, ret); 7685 goto exit; 7686 } 7687 7688 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, 7689 WMI_TDLS_PEER_STATE_CONNECTED); 7690 if (ret) 7691 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n", 7692 sta->addr, arvif->vdev_id, ret); 7693 } else if (old_state == IEEE80211_STA_ASSOC && 7694 new_state == IEEE80211_STA_AUTH && 7695 (vif->type == NL80211_IFTYPE_AP || 7696 vif->type == NL80211_IFTYPE_MESH_POINT || 7697 vif->type == NL80211_IFTYPE_ADHOC)) { 7698 /* 7699 * Disassociation. 7700 */ 7701 ath10k_dbg(ar, ATH10K_DBG_STA, "mac sta %pM disassociated\n", 7702 sta->addr); 7703 7704 ret = ath10k_station_disassoc(ar, vif, sta); 7705 if (ret) 7706 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", 7707 sta->addr, arvif->vdev_id, ret); 7708 } 7709 exit: 7710 mutex_unlock(&ar->conf_mutex); 7711 return ret; 7712 } 7713 7714 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, 7715 u16 ac, bool enable) 7716 { 7717 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7718 struct wmi_sta_uapsd_auto_trig_arg arg = {}; 7719 u32 prio = 0, acc = 0; 7720 u32 value = 0; 7721 int ret = 0; 7722 7723 lockdep_assert_held(&ar->conf_mutex); 7724 7725 if (arvif->vdev_type != WMI_VDEV_TYPE_STA) 7726 return 0; 7727 7728 switch (ac) { 7729 case IEEE80211_AC_VO: 7730 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | 7731 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; 7732 prio = 7; 7733 acc = 3; 7734 break; 7735 case IEEE80211_AC_VI: 7736 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | 7737 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; 7738 prio = 5; 7739 acc = 2; 7740 break; 7741 case IEEE80211_AC_BE: 7742 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | 7743 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; 7744 prio = 2; 7745 acc = 1; 7746 break; 7747 case IEEE80211_AC_BK: 7748 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | 7749 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; 7750 prio = 0; 7751 acc = 0; 7752 break; 7753 } 7754 7755 if (enable) 7756 arvif->u.sta.uapsd |= value; 7757 else 7758 arvif->u.sta.uapsd &= ~value; 7759 7760 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 7761 WMI_STA_PS_PARAM_UAPSD, 7762 arvif->u.sta.uapsd); 7763 if (ret) { 7764 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret); 7765 goto exit; 7766 } 7767 7768 if (arvif->u.sta.uapsd) 7769 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; 7770 else 7771 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 7772 7773 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 7774 WMI_STA_PS_PARAM_RX_WAKE_POLICY, 7775 value); 7776 if (ret) 7777 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret); 7778 7779 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); 7780 if (ret) { 7781 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", 7782 arvif->vdev_id, ret); 7783 return ret; 7784 } 7785 7786 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); 7787 if (ret) { 7788 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", 7789 arvif->vdev_id, ret); 7790 return ret; 7791 } 7792 7793 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) || 7794 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) { 7795 /* Only userspace can make an educated decision when to send 7796 * trigger frame. The following effectively disables u-UAPSD 7797 * autotrigger in firmware (which is enabled by default 7798 * provided the autotrigger service is available). 7799 */ 7800 7801 arg.wmm_ac = acc; 7802 arg.user_priority = prio; 7803 arg.service_interval = 0; 7804 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; 7805 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; 7806 7807 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id, 7808 arvif->bssid, &arg, 1); 7809 if (ret) { 7810 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n", 7811 ret); 7812 return ret; 7813 } 7814 } 7815 7816 exit: 7817 return ret; 7818 } 7819 7820 static int ath10k_conf_tx(struct ieee80211_hw *hw, 7821 struct ieee80211_vif *vif, 7822 unsigned int link_id, u16 ac, 7823 const struct ieee80211_tx_queue_params *params) 7824 { 7825 struct ath10k *ar = hw->priv; 7826 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7827 struct wmi_wmm_params_arg *p = NULL; 7828 int ret; 7829 7830 mutex_lock(&ar->conf_mutex); 7831 7832 switch (ac) { 7833 case IEEE80211_AC_VO: 7834 p = &arvif->wmm_params.ac_vo; 7835 break; 7836 case IEEE80211_AC_VI: 7837 p = &arvif->wmm_params.ac_vi; 7838 break; 7839 case IEEE80211_AC_BE: 7840 p = &arvif->wmm_params.ac_be; 7841 break; 7842 case IEEE80211_AC_BK: 7843 p = &arvif->wmm_params.ac_bk; 7844 break; 7845 } 7846 7847 if (WARN_ON(!p)) { 7848 ret = -EINVAL; 7849 goto exit; 7850 } 7851 7852 p->cwmin = params->cw_min; 7853 p->cwmax = params->cw_max; 7854 p->aifs = params->aifs; 7855 7856 /* 7857 * The channel time duration programmed in the HW is in absolute 7858 * microseconds, while mac80211 gives the txop in units of 7859 * 32 microseconds. 7860 */ 7861 p->txop = params->txop * 32; 7862 7863 if (ar->wmi.ops->gen_vdev_wmm_conf) { 7864 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id, 7865 &arvif->wmm_params); 7866 if (ret) { 7867 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n", 7868 arvif->vdev_id, ret); 7869 goto exit; 7870 } 7871 } else { 7872 /* This won't work well with multi-interface cases but it's 7873 * better than nothing. 7874 */ 7875 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params); 7876 if (ret) { 7877 ath10k_warn(ar, "failed to set wmm params: %d\n", ret); 7878 goto exit; 7879 } 7880 } 7881 7882 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); 7883 if (ret) 7884 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret); 7885 7886 exit: 7887 mutex_unlock(&ar->conf_mutex); 7888 return ret; 7889 } 7890 7891 static int ath10k_remain_on_channel(struct ieee80211_hw *hw, 7892 struct ieee80211_vif *vif, 7893 struct ieee80211_channel *chan, 7894 int duration, 7895 enum ieee80211_roc_type type) 7896 { 7897 struct ath10k *ar = hw->priv; 7898 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7899 struct wmi_start_scan_arg arg; 7900 int ret = 0; 7901 u32 scan_time_msec; 7902 7903 mutex_lock(&ar->conf_mutex); 7904 7905 if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) { 7906 ret = -EBUSY; 7907 goto exit; 7908 } 7909 7910 spin_lock_bh(&ar->data_lock); 7911 switch (ar->scan.state) { 7912 case ATH10K_SCAN_IDLE: 7913 reinit_completion(&ar->scan.started); 7914 reinit_completion(&ar->scan.completed); 7915 reinit_completion(&ar->scan.on_channel); 7916 ar->scan.state = ATH10K_SCAN_STARTING; 7917 ar->scan.is_roc = true; 7918 ar->scan.vdev_id = arvif->vdev_id; 7919 ar->scan.roc_freq = chan->center_freq; 7920 ar->scan.roc_notify = true; 7921 ret = 0; 7922 break; 7923 case ATH10K_SCAN_STARTING: 7924 case ATH10K_SCAN_RUNNING: 7925 case ATH10K_SCAN_ABORTING: 7926 ret = -EBUSY; 7927 break; 7928 } 7929 spin_unlock_bh(&ar->data_lock); 7930 7931 if (ret) 7932 goto exit; 7933 7934 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2; 7935 7936 memset(&arg, 0, sizeof(arg)); 7937 ath10k_wmi_start_scan_init(ar, &arg); 7938 arg.vdev_id = arvif->vdev_id; 7939 arg.scan_id = ATH10K_SCAN_ID; 7940 arg.n_channels = 1; 7941 arg.channels[0] = chan->center_freq; 7942 arg.dwell_time_active = scan_time_msec; 7943 arg.dwell_time_passive = scan_time_msec; 7944 arg.max_scan_time = scan_time_msec; 7945 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; 7946 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; 7947 arg.burst_duration_ms = duration; 7948 7949 ret = ath10k_start_scan(ar, &arg); 7950 if (ret) { 7951 ath10k_warn(ar, "failed to start roc scan: %d\n", ret); 7952 spin_lock_bh(&ar->data_lock); 7953 ar->scan.state = ATH10K_SCAN_IDLE; 7954 spin_unlock_bh(&ar->data_lock); 7955 goto exit; 7956 } 7957 7958 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3 * HZ); 7959 if (ret == 0) { 7960 ath10k_warn(ar, "failed to switch to channel for roc scan\n"); 7961 7962 ret = ath10k_scan_stop(ar); 7963 if (ret) 7964 ath10k_warn(ar, "failed to stop scan: %d\n", ret); 7965 7966 ret = -ETIMEDOUT; 7967 goto exit; 7968 } 7969 7970 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, 7971 msecs_to_jiffies(duration)); 7972 7973 ret = 0; 7974 exit: 7975 mutex_unlock(&ar->conf_mutex); 7976 return ret; 7977 } 7978 7979 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw, 7980 struct ieee80211_vif *vif) 7981 { 7982 struct ath10k *ar = hw->priv; 7983 7984 mutex_lock(&ar->conf_mutex); 7985 7986 spin_lock_bh(&ar->data_lock); 7987 ar->scan.roc_notify = false; 7988 spin_unlock_bh(&ar->data_lock); 7989 7990 ath10k_scan_abort(ar); 7991 7992 mutex_unlock(&ar->conf_mutex); 7993 7994 cancel_delayed_work_sync(&ar->scan.timeout); 7995 7996 return 0; 7997 } 7998 7999 /* 8000 * Both RTS and Fragmentation threshold are interface-specific 8001 * in ath10k, but device-specific in mac80211. 8002 */ 8003 8004 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 8005 { 8006 struct ath10k *ar = hw->priv; 8007 struct ath10k_vif *arvif; 8008 int ret = 0; 8009 8010 mutex_lock(&ar->conf_mutex); 8011 list_for_each_entry(arvif, &ar->arvifs, list) { 8012 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n", 8013 arvif->vdev_id, value); 8014 8015 ret = ath10k_mac_set_rts(arvif, value); 8016 if (ret) { 8017 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", 8018 arvif->vdev_id, ret); 8019 break; 8020 } 8021 } 8022 mutex_unlock(&ar->conf_mutex); 8023 8024 return ret; 8025 } 8026 8027 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) 8028 { 8029 /* Even though there's a WMI enum for fragmentation threshold no known 8030 * firmware actually implements it. Moreover it is not possible to rely 8031 * frame fragmentation to mac80211 because firmware clears the "more 8032 * fragments" bit in frame control making it impossible for remote 8033 * devices to reassemble frames. 8034 * 8035 * Hence implement a dummy callback just to say fragmentation isn't 8036 * supported. This effectively prevents mac80211 from doing frame 8037 * fragmentation in software. 8038 */ 8039 return -EOPNOTSUPP; 8040 } 8041 8042 void ath10k_mac_wait_tx_complete(struct ath10k *ar) 8043 { 8044 bool skip; 8045 long time_left; 8046 8047 /* mac80211 doesn't care if we really xmit queued frames or not 8048 * we'll collect those frames either way if we stop/delete vdevs 8049 */ 8050 8051 if (ar->state == ATH10K_STATE_WEDGED) 8052 return; 8053 8054 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({ 8055 bool empty; 8056 8057 spin_lock_bh(&ar->htt.tx_lock); 8058 empty = (ar->htt.num_pending_tx == 0); 8059 spin_unlock_bh(&ar->htt.tx_lock); 8060 8061 skip = (ar->state == ATH10K_STATE_WEDGED) || 8062 test_bit(ATH10K_FLAG_CRASH_FLUSH, 8063 &ar->dev_flags); 8064 8065 (empty || skip); 8066 }), ATH10K_FLUSH_TIMEOUT_HZ); 8067 8068 if (time_left == 0 || skip) 8069 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n", 8070 skip, ar->state, time_left); 8071 } 8072 8073 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 8074 u32 queues, bool drop) 8075 { 8076 struct ath10k *ar = hw->priv; 8077 struct ath10k_vif *arvif; 8078 u32 bitmap; 8079 8080 if (drop) { 8081 if (vif && vif->type == NL80211_IFTYPE_STATION) { 8082 bitmap = ~(1 << WMI_MGMT_TID); 8083 list_for_each_entry(arvif, &ar->arvifs, list) { 8084 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 8085 ath10k_wmi_peer_flush(ar, arvif->vdev_id, 8086 arvif->bssid, bitmap); 8087 } 8088 ath10k_htt_flush_tx(&ar->htt); 8089 } 8090 return; 8091 } 8092 8093 mutex_lock(&ar->conf_mutex); 8094 ath10k_mac_wait_tx_complete(ar); 8095 mutex_unlock(&ar->conf_mutex); 8096 } 8097 8098 /* TODO: Implement this function properly 8099 * For now it is needed to reply to Probe Requests in IBSS mode. 8100 * Probably we need this information from FW. 8101 */ 8102 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) 8103 { 8104 return 1; 8105 } 8106 8107 static void ath10k_reconfig_complete(struct ieee80211_hw *hw, 8108 enum ieee80211_reconfig_type reconfig_type) 8109 { 8110 struct ath10k *ar = hw->priv; 8111 8112 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) 8113 return; 8114 8115 mutex_lock(&ar->conf_mutex); 8116 8117 /* If device failed to restart it will be in a different state, e.g. 8118 * ATH10K_STATE_WEDGED 8119 */ 8120 if (ar->state == ATH10K_STATE_RESTARTED) { 8121 ath10k_info(ar, "device successfully recovered\n"); 8122 ar->state = ATH10K_STATE_ON; 8123 ieee80211_wake_queues(ar->hw); 8124 clear_bit(ATH10K_FLAG_RESTARTING, &ar->dev_flags); 8125 } 8126 8127 mutex_unlock(&ar->conf_mutex); 8128 } 8129 8130 static void 8131 ath10k_mac_update_bss_chan_survey(struct ath10k *ar, 8132 struct ieee80211_channel *channel) 8133 { 8134 int ret; 8135 enum wmi_bss_survey_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ; 8136 8137 lockdep_assert_held(&ar->conf_mutex); 8138 8139 if (!test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map) || 8140 (ar->rx_channel != channel)) 8141 return; 8142 8143 if (ar->scan.state != ATH10K_SCAN_IDLE) { 8144 ath10k_dbg(ar, ATH10K_DBG_MAC, "ignoring bss chan info request while scanning..\n"); 8145 return; 8146 } 8147 8148 reinit_completion(&ar->bss_survey_done); 8149 8150 ret = ath10k_wmi_pdev_bss_chan_info_request(ar, type); 8151 if (ret) { 8152 ath10k_warn(ar, "failed to send pdev bss chan info request\n"); 8153 return; 8154 } 8155 8156 ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ); 8157 if (!ret) { 8158 ath10k_warn(ar, "bss channel survey timed out\n"); 8159 return; 8160 } 8161 } 8162 8163 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx, 8164 struct survey_info *survey) 8165 { 8166 struct ath10k *ar = hw->priv; 8167 struct ieee80211_supported_band *sband; 8168 struct survey_info *ar_survey = &ar->survey[idx]; 8169 int ret = 0; 8170 8171 mutex_lock(&ar->conf_mutex); 8172 8173 sband = hw->wiphy->bands[NL80211_BAND_2GHZ]; 8174 if (sband && idx >= sband->n_channels) { 8175 idx -= sband->n_channels; 8176 sband = NULL; 8177 } 8178 8179 if (!sband) 8180 sband = hw->wiphy->bands[NL80211_BAND_5GHZ]; 8181 8182 if (!sband || idx >= sband->n_channels) { 8183 ret = -ENOENT; 8184 goto exit; 8185 } 8186 8187 ath10k_mac_update_bss_chan_survey(ar, &sband->channels[idx]); 8188 8189 spin_lock_bh(&ar->data_lock); 8190 memcpy(survey, ar_survey, sizeof(*survey)); 8191 spin_unlock_bh(&ar->data_lock); 8192 8193 survey->channel = &sband->channels[idx]; 8194 8195 if (ar->rx_channel == survey->channel) 8196 survey->filled |= SURVEY_INFO_IN_USE; 8197 8198 exit: 8199 mutex_unlock(&ar->conf_mutex); 8200 return ret; 8201 } 8202 8203 static bool 8204 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar, 8205 enum nl80211_band band, 8206 const struct cfg80211_bitrate_mask *mask, 8207 int *nss) 8208 { 8209 struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; 8210 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); 8211 u8 ht_nss_mask = 0; 8212 u8 vht_nss_mask = 0; 8213 int i; 8214 8215 if (mask->control[band].legacy) 8216 return false; 8217 8218 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { 8219 if (mask->control[band].ht_mcs[i] == 0) 8220 continue; 8221 else if (mask->control[band].ht_mcs[i] == 8222 sband->ht_cap.mcs.rx_mask[i]) 8223 ht_nss_mask |= BIT(i); 8224 else 8225 return false; 8226 } 8227 8228 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 8229 if (mask->control[band].vht_mcs[i] == 0) 8230 continue; 8231 else if (mask->control[band].vht_mcs[i] == 8232 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i)) 8233 vht_nss_mask |= BIT(i); 8234 else 8235 return false; 8236 } 8237 8238 if (ht_nss_mask != vht_nss_mask) 8239 return false; 8240 8241 if (ht_nss_mask == 0) 8242 return false; 8243 8244 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask) 8245 return false; 8246 8247 *nss = fls(ht_nss_mask); 8248 8249 return true; 8250 } 8251 8252 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif, 8253 u8 rate, u8 nss, u8 sgi, u8 ldpc) 8254 { 8255 struct ath10k *ar = arvif->ar; 8256 u32 vdev_param; 8257 int ret; 8258 8259 lockdep_assert_held(&ar->conf_mutex); 8260 8261 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02x nss %u sgi %u\n", 8262 arvif->vdev_id, rate, nss, sgi); 8263 8264 vdev_param = ar->wmi.vdev_param->fixed_rate; 8265 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate); 8266 if (ret) { 8267 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n", 8268 rate, ret); 8269 return ret; 8270 } 8271 8272 vdev_param = ar->wmi.vdev_param->nss; 8273 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss); 8274 if (ret) { 8275 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret); 8276 return ret; 8277 } 8278 8279 vdev_param = ar->wmi.vdev_param->sgi; 8280 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi); 8281 if (ret) { 8282 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret); 8283 return ret; 8284 } 8285 8286 vdev_param = ar->wmi.vdev_param->ldpc; 8287 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc); 8288 if (ret) { 8289 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret); 8290 return ret; 8291 } 8292 8293 return 0; 8294 } 8295 8296 static bool 8297 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar, 8298 enum nl80211_band band, 8299 const struct cfg80211_bitrate_mask *mask, 8300 bool allow_pfr) 8301 { 8302 int i; 8303 u16 vht_mcs; 8304 8305 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible 8306 * to express all VHT MCS rate masks. Effectively only the following 8307 * ranges can be used: none, 0-7, 0-8 and 0-9. 8308 */ 8309 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { 8310 vht_mcs = mask->control[band].vht_mcs[i]; 8311 8312 switch (vht_mcs) { 8313 case 0: 8314 case BIT(8) - 1: 8315 case BIT(9) - 1: 8316 case BIT(10) - 1: 8317 break; 8318 default: 8319 if (!allow_pfr) 8320 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n"); 8321 return false; 8322 } 8323 } 8324 8325 return true; 8326 } 8327 8328 static bool ath10k_mac_set_vht_bitrate_mask_fixup(struct ath10k *ar, 8329 struct ath10k_vif *arvif, 8330 struct ieee80211_sta *sta) 8331 { 8332 int err; 8333 u8 rate = arvif->vht_pfr; 8334 8335 /* skip non vht and multiple rate peers */ 8336 if (!sta->deflink.vht_cap.vht_supported || arvif->vht_num_rates != 1) 8337 return false; 8338 8339 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 8340 WMI_PEER_PARAM_FIXED_RATE, rate); 8341 if (err) 8342 ath10k_warn(ar, "failed to enable STA %pM peer fixed rate: %d\n", 8343 sta->addr, err); 8344 8345 return true; 8346 } 8347 8348 static void ath10k_mac_set_bitrate_mask_iter(void *data, 8349 struct ieee80211_sta *sta) 8350 { 8351 struct ath10k_vif *arvif = data; 8352 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 8353 struct ath10k *ar = arvif->ar; 8354 8355 if (arsta->arvif != arvif) 8356 return; 8357 8358 if (ath10k_mac_set_vht_bitrate_mask_fixup(ar, arvif, sta)) 8359 return; 8360 8361 spin_lock_bh(&ar->data_lock); 8362 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED; 8363 spin_unlock_bh(&ar->data_lock); 8364 8365 ieee80211_queue_work(ar->hw, &arsta->update_wk); 8366 } 8367 8368 static void ath10k_mac_clr_bitrate_mask_iter(void *data, 8369 struct ieee80211_sta *sta) 8370 { 8371 struct ath10k_vif *arvif = data; 8372 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 8373 struct ath10k *ar = arvif->ar; 8374 int err; 8375 8376 /* clear vht peers only */ 8377 if (arsta->arvif != arvif || !sta->deflink.vht_cap.vht_supported) 8378 return; 8379 8380 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 8381 WMI_PEER_PARAM_FIXED_RATE, 8382 WMI_FIXED_RATE_NONE); 8383 if (err) 8384 ath10k_warn(ar, "failed to clear STA %pM peer fixed rate: %d\n", 8385 sta->addr, err); 8386 } 8387 8388 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, 8389 struct ieee80211_vif *vif, 8390 const struct cfg80211_bitrate_mask *mask) 8391 { 8392 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8393 struct cfg80211_chan_def def; 8394 struct ath10k *ar = arvif->ar; 8395 enum nl80211_band band; 8396 const u8 *ht_mcs_mask; 8397 const u16 *vht_mcs_mask; 8398 u8 rate; 8399 u8 nss; 8400 u8 sgi; 8401 u8 ldpc; 8402 int single_nss; 8403 int ret; 8404 int vht_num_rates, allow_pfr; 8405 u8 vht_pfr; 8406 bool update_bitrate_mask = true; 8407 8408 if (ath10k_mac_vif_chan(vif, &def)) 8409 return -EPERM; 8410 8411 band = def.chan->band; 8412 ht_mcs_mask = mask->control[band].ht_mcs; 8413 vht_mcs_mask = mask->control[band].vht_mcs; 8414 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC); 8415 8416 sgi = mask->control[band].gi; 8417 if (sgi == NL80211_TXRATE_FORCE_LGI) 8418 return -EINVAL; 8419 8420 allow_pfr = test_bit(ATH10K_FW_FEATURE_PEER_FIXED_RATE, 8421 ar->normal_mode_fw.fw_file.fw_features); 8422 if (allow_pfr) { 8423 mutex_lock(&ar->conf_mutex); 8424 ieee80211_iterate_stations_atomic(ar->hw, 8425 ath10k_mac_clr_bitrate_mask_iter, 8426 arvif); 8427 mutex_unlock(&ar->conf_mutex); 8428 } 8429 8430 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask, 8431 &vht_num_rates)) { 8432 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, 8433 &rate, &nss, 8434 false); 8435 if (ret) { 8436 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n", 8437 arvif->vdev_id, ret); 8438 return ret; 8439 } 8440 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask, 8441 &single_nss)) { 8442 rate = WMI_FIXED_RATE_NONE; 8443 nss = single_nss; 8444 } else { 8445 rate = WMI_FIXED_RATE_NONE; 8446 nss = min(ar->num_rf_chains, 8447 max(ath10k_mac_max_ht_nss(ht_mcs_mask), 8448 ath10k_mac_max_vht_nss(vht_mcs_mask))); 8449 8450 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask, 8451 allow_pfr)) { 8452 u8 vht_nss; 8453 8454 if (!allow_pfr || vht_num_rates != 1) 8455 return -EINVAL; 8456 8457 /* Reach here, firmware supports peer fixed rate and has 8458 * single vht rate, and don't update vif birate_mask, as 8459 * the rate only for specific peer. 8460 */ 8461 ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, 8462 &vht_pfr, 8463 &vht_nss, 8464 true); 8465 update_bitrate_mask = false; 8466 } else { 8467 vht_pfr = 0; 8468 } 8469 8470 mutex_lock(&ar->conf_mutex); 8471 8472 if (update_bitrate_mask) 8473 arvif->bitrate_mask = *mask; 8474 arvif->vht_num_rates = vht_num_rates; 8475 arvif->vht_pfr = vht_pfr; 8476 ieee80211_iterate_stations_atomic(ar->hw, 8477 ath10k_mac_set_bitrate_mask_iter, 8478 arvif); 8479 8480 mutex_unlock(&ar->conf_mutex); 8481 } 8482 8483 mutex_lock(&ar->conf_mutex); 8484 8485 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc); 8486 if (ret) { 8487 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n", 8488 arvif->vdev_id, ret); 8489 goto exit; 8490 } 8491 8492 exit: 8493 mutex_unlock(&ar->conf_mutex); 8494 8495 return ret; 8496 } 8497 8498 static void ath10k_sta_rc_update(struct ieee80211_hw *hw, 8499 struct ieee80211_vif *vif, 8500 struct ieee80211_sta *sta, 8501 u32 changed) 8502 { 8503 struct ath10k *ar = hw->priv; 8504 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 8505 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8506 struct ath10k_peer *peer; 8507 u32 bw, smps; 8508 8509 spin_lock_bh(&ar->data_lock); 8510 8511 peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr); 8512 if (!peer) { 8513 spin_unlock_bh(&ar->data_lock); 8514 ath10k_warn(ar, "mac sta rc update failed to find peer %pM on vdev %i\n", 8515 sta->addr, arvif->vdev_id); 8516 return; 8517 } 8518 8519 ath10k_dbg(ar, ATH10K_DBG_STA, 8520 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", 8521 sta->addr, changed, sta->deflink.bandwidth, 8522 sta->deflink.rx_nss, 8523 sta->deflink.smps_mode); 8524 8525 if (changed & IEEE80211_RC_BW_CHANGED) { 8526 bw = WMI_PEER_CHWIDTH_20MHZ; 8527 8528 switch (sta->deflink.bandwidth) { 8529 case IEEE80211_STA_RX_BW_20: 8530 bw = WMI_PEER_CHWIDTH_20MHZ; 8531 break; 8532 case IEEE80211_STA_RX_BW_40: 8533 bw = WMI_PEER_CHWIDTH_40MHZ; 8534 break; 8535 case IEEE80211_STA_RX_BW_80: 8536 bw = WMI_PEER_CHWIDTH_80MHZ; 8537 break; 8538 case IEEE80211_STA_RX_BW_160: 8539 bw = WMI_PEER_CHWIDTH_160MHZ; 8540 break; 8541 default: 8542 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n", 8543 sta->deflink.bandwidth, sta->addr); 8544 bw = WMI_PEER_CHWIDTH_20MHZ; 8545 break; 8546 } 8547 8548 arsta->bw = bw; 8549 } 8550 8551 if (changed & IEEE80211_RC_NSS_CHANGED) 8552 arsta->nss = sta->deflink.rx_nss; 8553 8554 if (changed & IEEE80211_RC_SMPS_CHANGED) { 8555 smps = WMI_PEER_SMPS_PS_NONE; 8556 8557 switch (sta->deflink.smps_mode) { 8558 case IEEE80211_SMPS_AUTOMATIC: 8559 case IEEE80211_SMPS_OFF: 8560 smps = WMI_PEER_SMPS_PS_NONE; 8561 break; 8562 case IEEE80211_SMPS_STATIC: 8563 smps = WMI_PEER_SMPS_STATIC; 8564 break; 8565 case IEEE80211_SMPS_DYNAMIC: 8566 smps = WMI_PEER_SMPS_DYNAMIC; 8567 break; 8568 case IEEE80211_SMPS_NUM_MODES: 8569 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n", 8570 sta->deflink.smps_mode, sta->addr); 8571 smps = WMI_PEER_SMPS_PS_NONE; 8572 break; 8573 } 8574 8575 arsta->smps = smps; 8576 } 8577 8578 arsta->changed |= changed; 8579 8580 spin_unlock_bh(&ar->data_lock); 8581 8582 ieee80211_queue_work(hw, &arsta->update_wk); 8583 } 8584 8585 static void ath10k_offset_tsf(struct ieee80211_hw *hw, 8586 struct ieee80211_vif *vif, s64 tsf_offset) 8587 { 8588 struct ath10k *ar = hw->priv; 8589 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8590 u32 offset, vdev_param; 8591 int ret; 8592 8593 if (tsf_offset < 0) { 8594 vdev_param = ar->wmi.vdev_param->dec_tsf; 8595 offset = -tsf_offset; 8596 } else { 8597 vdev_param = ar->wmi.vdev_param->inc_tsf; 8598 offset = tsf_offset; 8599 } 8600 8601 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, 8602 vdev_param, offset); 8603 8604 if (ret && ret != -EOPNOTSUPP) 8605 ath10k_warn(ar, "failed to set tsf offset %d cmd %d: %d\n", 8606 offset, vdev_param, ret); 8607 } 8608 8609 static int ath10k_ampdu_action(struct ieee80211_hw *hw, 8610 struct ieee80211_vif *vif, 8611 struct ieee80211_ampdu_params *params) 8612 { 8613 struct ath10k *ar = hw->priv; 8614 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8615 struct ieee80211_sta *sta = params->sta; 8616 enum ieee80211_ampdu_mlme_action action = params->action; 8617 u16 tid = params->tid; 8618 8619 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %u action %d\n", 8620 arvif->vdev_id, sta->addr, tid, action); 8621 8622 switch (action) { 8623 case IEEE80211_AMPDU_RX_START: 8624 case IEEE80211_AMPDU_RX_STOP: 8625 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session 8626 * creation/removal. Do we need to verify this? 8627 */ 8628 return 0; 8629 case IEEE80211_AMPDU_TX_START: 8630 case IEEE80211_AMPDU_TX_STOP_CONT: 8631 case IEEE80211_AMPDU_TX_STOP_FLUSH: 8632 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 8633 case IEEE80211_AMPDU_TX_OPERATIONAL: 8634 /* Firmware offloads Tx aggregation entirely so deny mac80211 8635 * Tx aggregation requests. 8636 */ 8637 return -EOPNOTSUPP; 8638 } 8639 8640 return -EINVAL; 8641 } 8642 8643 static void 8644 ath10k_mac_update_rx_channel(struct ath10k *ar, 8645 struct ieee80211_chanctx_conf *ctx, 8646 struct ieee80211_vif_chanctx_switch *vifs, 8647 int n_vifs) 8648 { 8649 struct cfg80211_chan_def *def = NULL; 8650 8651 /* Both locks are required because ar->rx_channel is modified. This 8652 * allows readers to hold either lock. 8653 */ 8654 lockdep_assert_held(&ar->conf_mutex); 8655 lockdep_assert_held(&ar->data_lock); 8656 8657 WARN_ON(ctx && vifs); 8658 WARN_ON(vifs && !n_vifs); 8659 8660 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are 8661 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each 8662 * ppdu on Rx may reduce performance on low-end systems. It should be 8663 * possible to make tables/hashmaps to speed the lookup up (be vary of 8664 * cpu data cache lines though regarding sizes) but to keep the initial 8665 * implementation simple and less intrusive fallback to the slow lookup 8666 * only for multi-channel cases. Single-channel cases will remain to 8667 * use the old channel derival and thus performance should not be 8668 * affected much. 8669 */ 8670 rcu_read_lock(); 8671 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) { 8672 ieee80211_iter_chan_contexts_atomic(ar->hw, 8673 ath10k_mac_get_any_chandef_iter, 8674 &def); 8675 8676 if (vifs) 8677 def = &vifs[0].new_ctx->def; 8678 8679 ar->rx_channel = def->chan; 8680 } else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) || 8681 (ctx && (ar->state == ATH10K_STATE_RESTARTED))) { 8682 /* During driver restart due to firmware assert, since mac80211 8683 * already has valid channel context for given radio, channel 8684 * context iteration return num_chanctx > 0. So fix rx_channel 8685 * when restart is in progress. 8686 */ 8687 ar->rx_channel = ctx->def.chan; 8688 } else { 8689 ar->rx_channel = NULL; 8690 } 8691 rcu_read_unlock(); 8692 } 8693 8694 static void 8695 ath10k_mac_update_vif_chan(struct ath10k *ar, 8696 struct ieee80211_vif_chanctx_switch *vifs, 8697 int n_vifs) 8698 { 8699 struct ath10k_vif *arvif; 8700 int ret; 8701 int i; 8702 8703 lockdep_assert_held(&ar->conf_mutex); 8704 8705 /* First stop monitor interface. Some FW versions crash if there's a 8706 * lone monitor interface. 8707 */ 8708 if (ar->monitor_started) 8709 ath10k_monitor_stop(ar); 8710 8711 for (i = 0; i < n_vifs; i++) { 8712 arvif = (void *)vifs[i].vif->drv_priv; 8713 8714 ath10k_dbg(ar, ATH10K_DBG_MAC, 8715 "mac chanctx switch vdev_id %i freq %u->%u width %d->%d\n", 8716 arvif->vdev_id, 8717 vifs[i].old_ctx->def.chan->center_freq, 8718 vifs[i].new_ctx->def.chan->center_freq, 8719 vifs[i].old_ctx->def.width, 8720 vifs[i].new_ctx->def.width); 8721 8722 if (WARN_ON(!arvif->is_started)) 8723 continue; 8724 8725 if (WARN_ON(!arvif->is_up)) 8726 continue; 8727 8728 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); 8729 if (ret) { 8730 ath10k_warn(ar, "failed to down vdev %d: %d\n", 8731 arvif->vdev_id, ret); 8732 continue; 8733 } 8734 } 8735 8736 /* All relevant vdevs are downed and associated channel resources 8737 * should be available for the channel switch now. 8738 */ 8739 8740 spin_lock_bh(&ar->data_lock); 8741 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs); 8742 spin_unlock_bh(&ar->data_lock); 8743 8744 for (i = 0; i < n_vifs; i++) { 8745 arvif = (void *)vifs[i].vif->drv_priv; 8746 8747 if (WARN_ON(!arvif->is_started)) 8748 continue; 8749 8750 if (WARN_ON(!arvif->is_up)) 8751 continue; 8752 8753 ret = ath10k_mac_setup_bcn_tmpl(arvif); 8754 if (ret) 8755 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", 8756 ret); 8757 8758 ret = ath10k_mac_setup_prb_tmpl(arvif); 8759 if (ret) 8760 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", 8761 ret); 8762 8763 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def); 8764 if (ret) { 8765 ath10k_warn(ar, "failed to restart vdev %d: %d\n", 8766 arvif->vdev_id, ret); 8767 continue; 8768 } 8769 8770 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 8771 arvif->bssid); 8772 if (ret) { 8773 ath10k_warn(ar, "failed to bring vdev up %d: %d\n", 8774 arvif->vdev_id, ret); 8775 continue; 8776 } 8777 } 8778 8779 ath10k_monitor_recalc(ar); 8780 } 8781 8782 static int 8783 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw, 8784 struct ieee80211_chanctx_conf *ctx) 8785 { 8786 struct ath10k *ar = hw->priv; 8787 8788 ath10k_dbg(ar, ATH10K_DBG_MAC, 8789 "mac chanctx add freq %u width %d ptr %pK\n", 8790 ctx->def.chan->center_freq, ctx->def.width, ctx); 8791 8792 mutex_lock(&ar->conf_mutex); 8793 8794 spin_lock_bh(&ar->data_lock); 8795 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0); 8796 spin_unlock_bh(&ar->data_lock); 8797 8798 ath10k_recalc_radar_detection(ar); 8799 ath10k_monitor_recalc(ar); 8800 8801 mutex_unlock(&ar->conf_mutex); 8802 8803 return 0; 8804 } 8805 8806 static void 8807 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw, 8808 struct ieee80211_chanctx_conf *ctx) 8809 { 8810 struct ath10k *ar = hw->priv; 8811 8812 ath10k_dbg(ar, ATH10K_DBG_MAC, 8813 "mac chanctx remove freq %u width %d ptr %pK\n", 8814 ctx->def.chan->center_freq, ctx->def.width, ctx); 8815 8816 mutex_lock(&ar->conf_mutex); 8817 8818 spin_lock_bh(&ar->data_lock); 8819 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0); 8820 spin_unlock_bh(&ar->data_lock); 8821 8822 ath10k_recalc_radar_detection(ar); 8823 ath10k_monitor_recalc(ar); 8824 8825 mutex_unlock(&ar->conf_mutex); 8826 } 8827 8828 struct ath10k_mac_change_chanctx_arg { 8829 struct ieee80211_chanctx_conf *ctx; 8830 struct ieee80211_vif_chanctx_switch *vifs; 8831 int n_vifs; 8832 int next_vif; 8833 }; 8834 8835 static void 8836 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac, 8837 struct ieee80211_vif *vif) 8838 { 8839 struct ath10k_mac_change_chanctx_arg *arg = data; 8840 8841 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) != arg->ctx) 8842 return; 8843 8844 arg->n_vifs++; 8845 } 8846 8847 static void 8848 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac, 8849 struct ieee80211_vif *vif) 8850 { 8851 struct ath10k_mac_change_chanctx_arg *arg = data; 8852 struct ieee80211_chanctx_conf *ctx; 8853 8854 ctx = rcu_access_pointer(vif->bss_conf.chanctx_conf); 8855 if (ctx != arg->ctx) 8856 return; 8857 8858 if (WARN_ON(arg->next_vif == arg->n_vifs)) 8859 return; 8860 8861 arg->vifs[arg->next_vif].vif = vif; 8862 arg->vifs[arg->next_vif].old_ctx = ctx; 8863 arg->vifs[arg->next_vif].new_ctx = ctx; 8864 arg->next_vif++; 8865 } 8866 8867 static void 8868 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw, 8869 struct ieee80211_chanctx_conf *ctx, 8870 u32 changed) 8871 { 8872 struct ath10k *ar = hw->priv; 8873 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx }; 8874 8875 mutex_lock(&ar->conf_mutex); 8876 8877 ath10k_dbg(ar, ATH10K_DBG_MAC, 8878 "mac chanctx change freq %u width %d ptr %pK changed %x\n", 8879 ctx->def.chan->center_freq, ctx->def.width, ctx, changed); 8880 8881 /* This shouldn't really happen because channel switching should use 8882 * switch_vif_chanctx(). 8883 */ 8884 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL)) 8885 goto unlock; 8886 8887 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) { 8888 ieee80211_iterate_active_interfaces_atomic( 8889 hw, 8890 ATH10K_ITER_NORMAL_FLAGS, 8891 ath10k_mac_change_chanctx_cnt_iter, 8892 &arg); 8893 if (arg.n_vifs == 0) 8894 goto radar; 8895 8896 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), 8897 GFP_KERNEL); 8898 if (!arg.vifs) 8899 goto radar; 8900 8901 ieee80211_iterate_active_interfaces_atomic( 8902 hw, 8903 ATH10K_ITER_NORMAL_FLAGS, 8904 ath10k_mac_change_chanctx_fill_iter, 8905 &arg); 8906 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs); 8907 kfree(arg.vifs); 8908 } 8909 8910 radar: 8911 ath10k_recalc_radar_detection(ar); 8912 8913 /* FIXME: How to configure Rx chains properly? */ 8914 8915 /* No other actions are actually necessary. Firmware maintains channel 8916 * definitions per vdev internally and there's no host-side channel 8917 * context abstraction to configure, e.g. channel width. 8918 */ 8919 8920 unlock: 8921 mutex_unlock(&ar->conf_mutex); 8922 } 8923 8924 static int 8925 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, 8926 struct ieee80211_vif *vif, 8927 struct ieee80211_bss_conf *link_conf, 8928 struct ieee80211_chanctx_conf *ctx) 8929 { 8930 struct ath10k *ar = hw->priv; 8931 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8932 int ret; 8933 8934 mutex_lock(&ar->conf_mutex); 8935 8936 ath10k_dbg(ar, ATH10K_DBG_MAC, 8937 "mac chanctx assign ptr %pK vdev_id %i\n", 8938 ctx, arvif->vdev_id); 8939 8940 if (WARN_ON(arvif->is_started)) { 8941 mutex_unlock(&ar->conf_mutex); 8942 return -EBUSY; 8943 } 8944 8945 ret = ath10k_vdev_start(arvif, &ctx->def); 8946 if (ret) { 8947 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n", 8948 arvif->vdev_id, vif->addr, 8949 ctx->def.chan->center_freq, ret); 8950 goto err; 8951 } 8952 8953 arvif->is_started = true; 8954 8955 ret = ath10k_mac_vif_setup_ps(arvif); 8956 if (ret) { 8957 ath10k_warn(ar, "failed to update vdev %i ps: %d\n", 8958 arvif->vdev_id, ret); 8959 goto err_stop; 8960 } 8961 8962 if (vif->type == NL80211_IFTYPE_MONITOR) { 8963 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr); 8964 if (ret) { 8965 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n", 8966 arvif->vdev_id, ret); 8967 goto err_stop; 8968 } 8969 8970 arvif->is_up = true; 8971 } 8972 8973 if (ath10k_mac_can_set_cts_prot(arvif)) { 8974 ret = ath10k_mac_set_cts_prot(arvif); 8975 if (ret) 8976 ath10k_warn(ar, "failed to set cts protection for vdev %d: %d\n", 8977 arvif->vdev_id, ret); 8978 } 8979 8980 if (ath10k_peer_stats_enabled(ar) && 8981 ar->hw_params.tx_stats_over_pktlog) { 8982 ar->pktlog_filter |= ATH10K_PKTLOG_PEER_STATS; 8983 ret = ath10k_wmi_pdev_pktlog_enable(ar, 8984 ar->pktlog_filter); 8985 if (ret) { 8986 ath10k_warn(ar, "failed to enable pktlog %d\n", ret); 8987 goto err_stop; 8988 } 8989 } 8990 8991 mutex_unlock(&ar->conf_mutex); 8992 return 0; 8993 8994 err_stop: 8995 ath10k_vdev_stop(arvif); 8996 arvif->is_started = false; 8997 ath10k_mac_vif_setup_ps(arvif); 8998 8999 err: 9000 mutex_unlock(&ar->conf_mutex); 9001 return ret; 9002 } 9003 9004 static void 9005 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, 9006 struct ieee80211_vif *vif, 9007 struct ieee80211_bss_conf *link_conf, 9008 struct ieee80211_chanctx_conf *ctx) 9009 { 9010 struct ath10k *ar = hw->priv; 9011 struct ath10k_vif *arvif = (void *)vif->drv_priv; 9012 int ret; 9013 9014 mutex_lock(&ar->conf_mutex); 9015 9016 ath10k_dbg(ar, ATH10K_DBG_MAC, 9017 "mac chanctx unassign ptr %pK vdev_id %i\n", 9018 ctx, arvif->vdev_id); 9019 9020 WARN_ON(!arvif->is_started); 9021 9022 if (vif->type == NL80211_IFTYPE_MONITOR) { 9023 WARN_ON(!arvif->is_up); 9024 9025 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); 9026 if (ret) 9027 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n", 9028 arvif->vdev_id, ret); 9029 9030 arvif->is_up = false; 9031 } 9032 9033 ret = ath10k_vdev_stop(arvif); 9034 if (ret) 9035 ath10k_warn(ar, "failed to stop vdev %i: %d\n", 9036 arvif->vdev_id, ret); 9037 9038 arvif->is_started = false; 9039 9040 mutex_unlock(&ar->conf_mutex); 9041 } 9042 9043 static int 9044 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw, 9045 struct ieee80211_vif_chanctx_switch *vifs, 9046 int n_vifs, 9047 enum ieee80211_chanctx_switch_mode mode) 9048 { 9049 struct ath10k *ar = hw->priv; 9050 9051 mutex_lock(&ar->conf_mutex); 9052 9053 ath10k_dbg(ar, ATH10K_DBG_MAC, 9054 "mac chanctx switch n_vifs %d mode %d\n", 9055 n_vifs, mode); 9056 ath10k_mac_update_vif_chan(ar, vifs, n_vifs); 9057 9058 mutex_unlock(&ar->conf_mutex); 9059 return 0; 9060 } 9061 9062 static void ath10k_mac_op_sta_pre_rcu_remove(struct ieee80211_hw *hw, 9063 struct ieee80211_vif *vif, 9064 struct ieee80211_sta *sta) 9065 { 9066 struct ath10k *ar; 9067 struct ath10k_peer *peer; 9068 9069 ar = hw->priv; 9070 9071 list_for_each_entry(peer, &ar->peers, list) 9072 if (peer->sta == sta) 9073 peer->removed = true; 9074 } 9075 9076 /* HT MCS parameters with Nss = 1 */ 9077 static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss1[] = { 9078 /* MCS L20 L40 S20 S40 */ 9079 {0, { 65, 135, 72, 150} }, 9080 {1, { 130, 270, 144, 300} }, 9081 {2, { 195, 405, 217, 450} }, 9082 {3, { 260, 540, 289, 600} }, 9083 {4, { 390, 810, 433, 900} }, 9084 {5, { 520, 1080, 578, 1200} }, 9085 {6, { 585, 1215, 650, 1350} }, 9086 {7, { 650, 1350, 722, 1500} } 9087 }; 9088 9089 /* HT MCS parameters with Nss = 2 */ 9090 static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss2[] = { 9091 /* MCS L20 L40 S20 S40 */ 9092 {0, {130, 270, 144, 300} }, 9093 {1, {260, 540, 289, 600} }, 9094 {2, {390, 810, 433, 900} }, 9095 {3, {520, 1080, 578, 1200} }, 9096 {4, {780, 1620, 867, 1800} }, 9097 {5, {1040, 2160, 1156, 2400} }, 9098 {6, {1170, 2430, 1300, 2700} }, 9099 {7, {1300, 2700, 1444, 3000} } 9100 }; 9101 9102 /* MCS parameters with Nss = 1 */ 9103 static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss1[] = { 9104 /* MCS L80 S80 L40 S40 L20 S20 */ 9105 {0, {293, 325}, {135, 150}, {65, 72} }, 9106 {1, {585, 650}, {270, 300}, {130, 144} }, 9107 {2, {878, 975}, {405, 450}, {195, 217} }, 9108 {3, {1170, 1300}, {540, 600}, {260, 289} }, 9109 {4, {1755, 1950}, {810, 900}, {390, 433} }, 9110 {5, {2340, 2600}, {1080, 1200}, {520, 578} }, 9111 {6, {2633, 2925}, {1215, 1350}, {585, 650} }, 9112 {7, {2925, 3250}, {1350, 1500}, {650, 722} }, 9113 {8, {3510, 3900}, {1620, 1800}, {780, 867} }, 9114 {9, {3900, 4333}, {1800, 2000}, {780, 867} } 9115 }; 9116 9117 /*MCS parameters with Nss = 2 */ 9118 static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss2[] = { 9119 /* MCS L80 S80 L40 S40 L20 S20 */ 9120 {0, {585, 650}, {270, 300}, {130, 144} }, 9121 {1, {1170, 1300}, {540, 600}, {260, 289} }, 9122 {2, {1755, 1950}, {810, 900}, {390, 433} }, 9123 {3, {2340, 2600}, {1080, 1200}, {520, 578} }, 9124 {4, {3510, 3900}, {1620, 1800}, {780, 867} }, 9125 {5, {4680, 5200}, {2160, 2400}, {1040, 1156} }, 9126 {6, {5265, 5850}, {2430, 2700}, {1170, 1300} }, 9127 {7, {5850, 6500}, {2700, 3000}, {1300, 1444} }, 9128 {8, {7020, 7800}, {3240, 3600}, {1560, 1733} }, 9129 {9, {7800, 8667}, {3600, 4000}, {1560, 1733} } 9130 }; 9131 9132 static void ath10k_mac_get_rate_flags_ht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs, 9133 u8 *flags, u8 *bw) 9134 { 9135 struct ath10k_index_ht_data_rate_type *mcs_rate; 9136 u8 index; 9137 size_t len_nss1 = ARRAY_SIZE(supported_ht_mcs_rate_nss1); 9138 size_t len_nss2 = ARRAY_SIZE(supported_ht_mcs_rate_nss2); 9139 9140 if (mcs >= (len_nss1 + len_nss2)) { 9141 ath10k_warn(ar, "not supported mcs %d in current rate table", mcs); 9142 return; 9143 } 9144 9145 mcs_rate = (struct ath10k_index_ht_data_rate_type *) 9146 ((nss == 1) ? &supported_ht_mcs_rate_nss1 : 9147 &supported_ht_mcs_rate_nss2); 9148 9149 if (mcs >= len_nss1) 9150 index = mcs - len_nss1; 9151 else 9152 index = mcs; 9153 9154 if (rate == mcs_rate[index].supported_rate[0]) { 9155 *bw = RATE_INFO_BW_20; 9156 } else if (rate == mcs_rate[index].supported_rate[1]) { 9157 *bw |= RATE_INFO_BW_40; 9158 } else if (rate == mcs_rate[index].supported_rate[2]) { 9159 *bw |= RATE_INFO_BW_20; 9160 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9161 } else if (rate == mcs_rate[index].supported_rate[3]) { 9162 *bw |= RATE_INFO_BW_40; 9163 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9164 } else { 9165 ath10k_warn(ar, "invalid ht params rate %d 100kbps nss %d mcs %d", 9166 rate, nss, mcs); 9167 } 9168 } 9169 9170 static void ath10k_mac_get_rate_flags_vht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs, 9171 u8 *flags, u8 *bw) 9172 { 9173 struct ath10k_index_vht_data_rate_type *mcs_rate; 9174 9175 mcs_rate = (struct ath10k_index_vht_data_rate_type *) 9176 ((nss == 1) ? &supported_vht_mcs_rate_nss1 : 9177 &supported_vht_mcs_rate_nss2); 9178 9179 if (rate == mcs_rate[mcs].supported_VHT80_rate[0]) { 9180 *bw = RATE_INFO_BW_80; 9181 } else if (rate == mcs_rate[mcs].supported_VHT80_rate[1]) { 9182 *bw = RATE_INFO_BW_80; 9183 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9184 } else if (rate == mcs_rate[mcs].supported_VHT40_rate[0]) { 9185 *bw = RATE_INFO_BW_40; 9186 } else if (rate == mcs_rate[mcs].supported_VHT40_rate[1]) { 9187 *bw = RATE_INFO_BW_40; 9188 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9189 } else if (rate == mcs_rate[mcs].supported_VHT20_rate[0]) { 9190 *bw = RATE_INFO_BW_20; 9191 } else if (rate == mcs_rate[mcs].supported_VHT20_rate[1]) { 9192 *bw = RATE_INFO_BW_20; 9193 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9194 } else { 9195 ath10k_warn(ar, "invalid vht params rate %d 100kbps nss %d mcs %d", 9196 rate, nss, mcs); 9197 } 9198 } 9199 9200 static void ath10k_mac_get_rate_flags(struct ath10k *ar, u32 rate, 9201 enum ath10k_phy_mode mode, u8 nss, u8 mcs, 9202 u8 *flags, u8 *bw) 9203 { 9204 if (mode == ATH10K_PHY_MODE_HT) { 9205 *flags = RATE_INFO_FLAGS_MCS; 9206 ath10k_mac_get_rate_flags_ht(ar, rate, nss, mcs, flags, bw); 9207 } else if (mode == ATH10K_PHY_MODE_VHT) { 9208 *flags = RATE_INFO_FLAGS_VHT_MCS; 9209 ath10k_mac_get_rate_flags_vht(ar, rate, nss, mcs, flags, bw); 9210 } 9211 } 9212 9213 static void ath10k_mac_parse_bitrate(struct ath10k *ar, u32 rate_code, 9214 u32 bitrate_kbps, struct rate_info *rate) 9215 { 9216 enum ath10k_phy_mode mode = ATH10K_PHY_MODE_LEGACY; 9217 enum wmi_rate_preamble preamble = WMI_TLV_GET_HW_RC_PREAM_V1(rate_code); 9218 u8 nss = WMI_TLV_GET_HW_RC_NSS_V1(rate_code) + 1; 9219 u8 mcs = WMI_TLV_GET_HW_RC_RATE_V1(rate_code); 9220 u8 flags = 0, bw = 0; 9221 9222 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac parse rate code 0x%x bitrate %d kbps\n", 9223 rate_code, bitrate_kbps); 9224 9225 if (preamble == WMI_RATE_PREAMBLE_HT) 9226 mode = ATH10K_PHY_MODE_HT; 9227 else if (preamble == WMI_RATE_PREAMBLE_VHT) 9228 mode = ATH10K_PHY_MODE_VHT; 9229 9230 ath10k_mac_get_rate_flags(ar, bitrate_kbps / 100, mode, nss, mcs, &flags, &bw); 9231 9232 ath10k_dbg(ar, ATH10K_DBG_MAC, 9233 "mac parse bitrate preamble %d mode %d nss %d mcs %d flags %x bw %d\n", 9234 preamble, mode, nss, mcs, flags, bw); 9235 9236 rate->flags = flags; 9237 rate->bw = bw; 9238 rate->legacy = bitrate_kbps / 100; 9239 rate->nss = nss; 9240 rate->mcs = mcs; 9241 } 9242 9243 static void ath10k_mac_sta_get_peer_stats_info(struct ath10k *ar, 9244 struct ieee80211_sta *sta, 9245 struct station_info *sinfo) 9246 { 9247 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 9248 struct ath10k_peer *peer; 9249 unsigned long time_left; 9250 int ret; 9251 9252 if (!(ar->hw_params.supports_peer_stats_info && 9253 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA)) 9254 return; 9255 9256 spin_lock_bh(&ar->data_lock); 9257 peer = ath10k_peer_find(ar, arsta->arvif->vdev_id, sta->addr); 9258 spin_unlock_bh(&ar->data_lock); 9259 if (!peer) 9260 return; 9261 9262 reinit_completion(&ar->peer_stats_info_complete); 9263 9264 ret = ath10k_wmi_request_peer_stats_info(ar, 9265 arsta->arvif->vdev_id, 9266 WMI_REQUEST_ONE_PEER_STATS_INFO, 9267 arsta->arvif->bssid, 9268 0); 9269 if (ret && ret != -EOPNOTSUPP) { 9270 ath10k_warn(ar, "could not request peer stats info: %d\n", ret); 9271 return; 9272 } 9273 9274 time_left = wait_for_completion_timeout(&ar->peer_stats_info_complete, 3 * HZ); 9275 if (time_left == 0) { 9276 ath10k_warn(ar, "timed out waiting peer stats info\n"); 9277 return; 9278 } 9279 9280 if (arsta->rx_rate_code != 0 && arsta->rx_bitrate_kbps != 0) { 9281 ath10k_mac_parse_bitrate(ar, arsta->rx_rate_code, 9282 arsta->rx_bitrate_kbps, 9283 &sinfo->rxrate); 9284 9285 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); 9286 arsta->rx_rate_code = 0; 9287 arsta->rx_bitrate_kbps = 0; 9288 } 9289 9290 if (arsta->tx_rate_code != 0 && arsta->tx_bitrate_kbps != 0) { 9291 ath10k_mac_parse_bitrate(ar, arsta->tx_rate_code, 9292 arsta->tx_bitrate_kbps, 9293 &sinfo->txrate); 9294 9295 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 9296 arsta->tx_rate_code = 0; 9297 arsta->tx_bitrate_kbps = 0; 9298 } 9299 } 9300 9301 static void ath10k_sta_statistics(struct ieee80211_hw *hw, 9302 struct ieee80211_vif *vif, 9303 struct ieee80211_sta *sta, 9304 struct station_info *sinfo) 9305 { 9306 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 9307 struct ath10k *ar = arsta->arvif->ar; 9308 9309 if (!ath10k_peer_stats_enabled(ar)) 9310 return; 9311 9312 mutex_lock(&ar->conf_mutex); 9313 ath10k_debug_fw_stats_request(ar); 9314 mutex_unlock(&ar->conf_mutex); 9315 9316 sinfo->rx_duration = arsta->rx_duration; 9317 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION); 9318 9319 if (arsta->txrate.legacy || arsta->txrate.nss) { 9320 if (arsta->txrate.legacy) { 9321 sinfo->txrate.legacy = arsta->txrate.legacy; 9322 } else { 9323 sinfo->txrate.mcs = arsta->txrate.mcs; 9324 sinfo->txrate.nss = arsta->txrate.nss; 9325 sinfo->txrate.bw = arsta->txrate.bw; 9326 } 9327 sinfo->txrate.flags = arsta->txrate.flags; 9328 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 9329 } 9330 9331 if (ar->htt.disable_tx_comp) { 9332 sinfo->tx_failed = arsta->tx_failed; 9333 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); 9334 } 9335 9336 sinfo->tx_retries = arsta->tx_retries; 9337 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES); 9338 9339 ath10k_mac_sta_get_peer_stats_info(ar, sta, sinfo); 9340 } 9341 9342 static int ath10k_mac_op_set_tid_config(struct ieee80211_hw *hw, 9343 struct ieee80211_vif *vif, 9344 struct ieee80211_sta *sta, 9345 struct cfg80211_tid_config *tid_config) 9346 { 9347 struct ath10k *ar = hw->priv; 9348 struct ath10k_vif *arvif = (void *)vif->drv_priv; 9349 struct ath10k_mac_iter_tid_conf_data data = {}; 9350 struct wmi_per_peer_per_tid_cfg_arg arg = {}; 9351 int ret, i; 9352 9353 mutex_lock(&ar->conf_mutex); 9354 arg.vdev_id = arvif->vdev_id; 9355 9356 arvif->tids_rst = 0; 9357 memset(arvif->tid_conf_changed, 0, sizeof(arvif->tid_conf_changed)); 9358 9359 for (i = 0; i < tid_config->n_tid_conf; i++) { 9360 ret = ath10k_mac_parse_tid_config(ar, sta, vif, 9361 &tid_config->tid_conf[i], 9362 &arg); 9363 if (ret) 9364 goto exit; 9365 } 9366 9367 ret = 0; 9368 9369 if (sta) 9370 goto exit; 9371 9372 arvif->tids_rst = 0; 9373 data.curr_vif = vif; 9374 data.ar = ar; 9375 9376 ieee80211_iterate_stations_atomic(hw, ath10k_mac_vif_stations_tid_conf, 9377 &data); 9378 9379 exit: 9380 mutex_unlock(&ar->conf_mutex); 9381 return ret; 9382 } 9383 9384 static int ath10k_mac_op_reset_tid_config(struct ieee80211_hw *hw, 9385 struct ieee80211_vif *vif, 9386 struct ieee80211_sta *sta, 9387 u8 tids) 9388 { 9389 struct ath10k_vif *arvif = (void *)vif->drv_priv; 9390 struct ath10k_mac_iter_tid_conf_data data = {}; 9391 struct ath10k *ar = hw->priv; 9392 int ret = 0; 9393 9394 mutex_lock(&ar->conf_mutex); 9395 9396 if (sta) { 9397 arvif->tids_rst = 0; 9398 ret = ath10k_mac_reset_tid_config(ar, sta, arvif, tids); 9399 goto exit; 9400 } 9401 9402 arvif->tids_rst = tids; 9403 data.curr_vif = vif; 9404 data.ar = ar; 9405 ieee80211_iterate_stations_atomic(hw, ath10k_mac_vif_stations_tid_conf, 9406 &data); 9407 9408 exit: 9409 mutex_unlock(&ar->conf_mutex); 9410 return ret; 9411 } 9412 9413 static const struct ieee80211_ops ath10k_ops = { 9414 .tx = ath10k_mac_op_tx, 9415 .wake_tx_queue = ath10k_mac_op_wake_tx_queue, 9416 .start = ath10k_start, 9417 .stop = ath10k_stop, 9418 .config = ath10k_config, 9419 .add_interface = ath10k_add_interface, 9420 .update_vif_offload = ath10k_update_vif_offload, 9421 .remove_interface = ath10k_remove_interface, 9422 .configure_filter = ath10k_configure_filter, 9423 .bss_info_changed = ath10k_bss_info_changed, 9424 .set_coverage_class = ath10k_mac_op_set_coverage_class, 9425 .hw_scan = ath10k_hw_scan, 9426 .cancel_hw_scan = ath10k_cancel_hw_scan, 9427 .set_key = ath10k_set_key, 9428 .set_default_unicast_key = ath10k_set_default_unicast_key, 9429 .sta_state = ath10k_sta_state, 9430 .sta_set_txpwr = ath10k_sta_set_txpwr, 9431 .conf_tx = ath10k_conf_tx, 9432 .remain_on_channel = ath10k_remain_on_channel, 9433 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, 9434 .set_rts_threshold = ath10k_set_rts_threshold, 9435 .set_frag_threshold = ath10k_mac_op_set_frag_threshold, 9436 .flush = ath10k_flush, 9437 .tx_last_beacon = ath10k_tx_last_beacon, 9438 .set_antenna = ath10k_set_antenna, 9439 .get_antenna = ath10k_get_antenna, 9440 .reconfig_complete = ath10k_reconfig_complete, 9441 .get_survey = ath10k_get_survey, 9442 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask, 9443 .sta_rc_update = ath10k_sta_rc_update, 9444 .offset_tsf = ath10k_offset_tsf, 9445 .ampdu_action = ath10k_ampdu_action, 9446 .get_et_sset_count = ath10k_debug_get_et_sset_count, 9447 .get_et_stats = ath10k_debug_get_et_stats, 9448 .get_et_strings = ath10k_debug_get_et_strings, 9449 .add_chanctx = ath10k_mac_op_add_chanctx, 9450 .remove_chanctx = ath10k_mac_op_remove_chanctx, 9451 .change_chanctx = ath10k_mac_op_change_chanctx, 9452 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx, 9453 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx, 9454 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx, 9455 .sta_pre_rcu_remove = ath10k_mac_op_sta_pre_rcu_remove, 9456 .sta_statistics = ath10k_sta_statistics, 9457 .set_tid_config = ath10k_mac_op_set_tid_config, 9458 .reset_tid_config = ath10k_mac_op_reset_tid_config, 9459 9460 CFG80211_TESTMODE_CMD(ath10k_tm_cmd) 9461 9462 #ifdef CONFIG_PM 9463 .suspend = ath10k_wow_op_suspend, 9464 .resume = ath10k_wow_op_resume, 9465 .set_wakeup = ath10k_wow_op_set_wakeup, 9466 #endif 9467 #ifdef CONFIG_MAC80211_DEBUGFS 9468 .sta_add_debugfs = ath10k_sta_add_debugfs, 9469 #endif 9470 .set_sar_specs = ath10k_mac_set_sar_specs, 9471 }; 9472 9473 #define CHAN2G(_channel, _freq, _flags) { \ 9474 .band = NL80211_BAND_2GHZ, \ 9475 .hw_value = (_channel), \ 9476 .center_freq = (_freq), \ 9477 .flags = (_flags), \ 9478 .max_antenna_gain = 0, \ 9479 .max_power = 30, \ 9480 } 9481 9482 #define CHAN5G(_channel, _freq, _flags) { \ 9483 .band = NL80211_BAND_5GHZ, \ 9484 .hw_value = (_channel), \ 9485 .center_freq = (_freq), \ 9486 .flags = (_flags), \ 9487 .max_antenna_gain = 0, \ 9488 .max_power = 30, \ 9489 } 9490 9491 static const struct ieee80211_channel ath10k_2ghz_channels[] = { 9492 CHAN2G(1, 2412, 0), 9493 CHAN2G(2, 2417, 0), 9494 CHAN2G(3, 2422, 0), 9495 CHAN2G(4, 2427, 0), 9496 CHAN2G(5, 2432, 0), 9497 CHAN2G(6, 2437, 0), 9498 CHAN2G(7, 2442, 0), 9499 CHAN2G(8, 2447, 0), 9500 CHAN2G(9, 2452, 0), 9501 CHAN2G(10, 2457, 0), 9502 CHAN2G(11, 2462, 0), 9503 CHAN2G(12, 2467, 0), 9504 CHAN2G(13, 2472, 0), 9505 CHAN2G(14, 2484, 0), 9506 }; 9507 9508 static const struct ieee80211_channel ath10k_5ghz_channels[] = { 9509 CHAN5G(36, 5180, 0), 9510 CHAN5G(40, 5200, 0), 9511 CHAN5G(44, 5220, 0), 9512 CHAN5G(48, 5240, 0), 9513 CHAN5G(52, 5260, 0), 9514 CHAN5G(56, 5280, 0), 9515 CHAN5G(60, 5300, 0), 9516 CHAN5G(64, 5320, 0), 9517 CHAN5G(100, 5500, 0), 9518 CHAN5G(104, 5520, 0), 9519 CHAN5G(108, 5540, 0), 9520 CHAN5G(112, 5560, 0), 9521 CHAN5G(116, 5580, 0), 9522 CHAN5G(120, 5600, 0), 9523 CHAN5G(124, 5620, 0), 9524 CHAN5G(128, 5640, 0), 9525 CHAN5G(132, 5660, 0), 9526 CHAN5G(136, 5680, 0), 9527 CHAN5G(140, 5700, 0), 9528 CHAN5G(144, 5720, 0), 9529 CHAN5G(149, 5745, 0), 9530 CHAN5G(153, 5765, 0), 9531 CHAN5G(157, 5785, 0), 9532 CHAN5G(161, 5805, 0), 9533 CHAN5G(165, 5825, 0), 9534 CHAN5G(169, 5845, 0), 9535 CHAN5G(173, 5865, 0), 9536 /* If you add more, you may need to change ATH10K_MAX_5G_CHAN */ 9537 /* And you will definitely need to change ATH10K_NUM_CHANS in core.h */ 9538 }; 9539 9540 struct ath10k *ath10k_mac_create(size_t priv_size) 9541 { 9542 struct ieee80211_hw *hw; 9543 struct ieee80211_ops *ops; 9544 struct ath10k *ar; 9545 9546 ops = kmemdup(&ath10k_ops, sizeof(ath10k_ops), GFP_KERNEL); 9547 if (!ops) 9548 return NULL; 9549 9550 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, ops); 9551 if (!hw) { 9552 kfree(ops); 9553 return NULL; 9554 } 9555 9556 ar = hw->priv; 9557 ar->hw = hw; 9558 ar->ops = ops; 9559 9560 return ar; 9561 } 9562 9563 void ath10k_mac_destroy(struct ath10k *ar) 9564 { 9565 struct ieee80211_ops *ops = ar->ops; 9566 9567 ieee80211_free_hw(ar->hw); 9568 kfree(ops); 9569 } 9570 9571 static const struct ieee80211_iface_limit ath10k_if_limits[] = { 9572 { 9573 .max = 8, 9574 .types = BIT(NL80211_IFTYPE_STATION) 9575 | BIT(NL80211_IFTYPE_P2P_CLIENT) 9576 }, 9577 { 9578 .max = 3, 9579 .types = BIT(NL80211_IFTYPE_P2P_GO) 9580 }, 9581 { 9582 .max = 1, 9583 .types = BIT(NL80211_IFTYPE_P2P_DEVICE) 9584 }, 9585 { 9586 .max = 7, 9587 .types = BIT(NL80211_IFTYPE_AP) 9588 #ifdef CONFIG_MAC80211_MESH 9589 | BIT(NL80211_IFTYPE_MESH_POINT) 9590 #endif 9591 }, 9592 }; 9593 9594 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = { 9595 { 9596 .max = 8, 9597 .types = BIT(NL80211_IFTYPE_AP) 9598 #ifdef CONFIG_MAC80211_MESH 9599 | BIT(NL80211_IFTYPE_MESH_POINT) 9600 #endif 9601 }, 9602 { 9603 .max = 1, 9604 .types = BIT(NL80211_IFTYPE_STATION) 9605 }, 9606 }; 9607 9608 static const struct ieee80211_iface_combination ath10k_if_comb[] = { 9609 { 9610 .limits = ath10k_if_limits, 9611 .n_limits = ARRAY_SIZE(ath10k_if_limits), 9612 .max_interfaces = 8, 9613 .num_different_channels = 1, 9614 .beacon_int_infra_match = true, 9615 }, 9616 }; 9617 9618 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = { 9619 { 9620 .limits = ath10k_10x_if_limits, 9621 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits), 9622 .max_interfaces = 8, 9623 .num_different_channels = 1, 9624 .beacon_int_infra_match = true, 9625 .beacon_int_min_gcd = 1, 9626 #ifdef CONFIG_ATH10K_DFS_CERTIFIED 9627 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 9628 BIT(NL80211_CHAN_WIDTH_20) | 9629 BIT(NL80211_CHAN_WIDTH_40) | 9630 BIT(NL80211_CHAN_WIDTH_80), 9631 #endif 9632 }, 9633 }; 9634 9635 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = { 9636 { 9637 .max = 2, 9638 .types = BIT(NL80211_IFTYPE_STATION), 9639 }, 9640 { 9641 .max = 2, 9642 .types = BIT(NL80211_IFTYPE_AP) | 9643 #ifdef CONFIG_MAC80211_MESH 9644 BIT(NL80211_IFTYPE_MESH_POINT) | 9645 #endif 9646 BIT(NL80211_IFTYPE_P2P_CLIENT) | 9647 BIT(NL80211_IFTYPE_P2P_GO), 9648 }, 9649 { 9650 .max = 1, 9651 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 9652 }, 9653 }; 9654 9655 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = { 9656 { 9657 .max = 2, 9658 .types = BIT(NL80211_IFTYPE_STATION), 9659 }, 9660 { 9661 .max = 2, 9662 .types = BIT(NL80211_IFTYPE_P2P_CLIENT), 9663 }, 9664 { 9665 .max = 1, 9666 .types = BIT(NL80211_IFTYPE_AP) | 9667 #ifdef CONFIG_MAC80211_MESH 9668 BIT(NL80211_IFTYPE_MESH_POINT) | 9669 #endif 9670 BIT(NL80211_IFTYPE_P2P_GO), 9671 }, 9672 { 9673 .max = 1, 9674 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 9675 }, 9676 }; 9677 9678 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = { 9679 { 9680 .max = 1, 9681 .types = BIT(NL80211_IFTYPE_STATION), 9682 }, 9683 { 9684 .max = 1, 9685 .types = BIT(NL80211_IFTYPE_ADHOC), 9686 }, 9687 }; 9688 9689 /* FIXME: This is not thoroughly tested. These combinations may over- or 9690 * underestimate hw/fw capabilities. 9691 */ 9692 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = { 9693 { 9694 .limits = ath10k_tlv_if_limit, 9695 .num_different_channels = 1, 9696 .max_interfaces = 4, 9697 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), 9698 }, 9699 { 9700 .limits = ath10k_tlv_if_limit_ibss, 9701 .num_different_channels = 1, 9702 .max_interfaces = 2, 9703 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), 9704 }, 9705 }; 9706 9707 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = { 9708 { 9709 .limits = ath10k_tlv_if_limit, 9710 .num_different_channels = 1, 9711 .max_interfaces = 4, 9712 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), 9713 }, 9714 { 9715 .limits = ath10k_tlv_qcs_if_limit, 9716 .num_different_channels = 2, 9717 .max_interfaces = 4, 9718 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit), 9719 }, 9720 { 9721 .limits = ath10k_tlv_if_limit_ibss, 9722 .num_different_channels = 1, 9723 .max_interfaces = 2, 9724 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), 9725 }, 9726 }; 9727 9728 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = { 9729 { 9730 .max = 1, 9731 .types = BIT(NL80211_IFTYPE_STATION), 9732 }, 9733 { 9734 .max = 16, 9735 .types = BIT(NL80211_IFTYPE_AP) 9736 #ifdef CONFIG_MAC80211_MESH 9737 | BIT(NL80211_IFTYPE_MESH_POINT) 9738 #endif 9739 }, 9740 }; 9741 9742 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = { 9743 { 9744 .limits = ath10k_10_4_if_limits, 9745 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits), 9746 .max_interfaces = 16, 9747 .num_different_channels = 1, 9748 .beacon_int_infra_match = true, 9749 .beacon_int_min_gcd = 1, 9750 #ifdef CONFIG_ATH10K_DFS_CERTIFIED 9751 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 9752 BIT(NL80211_CHAN_WIDTH_20) | 9753 BIT(NL80211_CHAN_WIDTH_40) | 9754 BIT(NL80211_CHAN_WIDTH_80) | 9755 BIT(NL80211_CHAN_WIDTH_80P80) | 9756 BIT(NL80211_CHAN_WIDTH_160), 9757 #endif 9758 }, 9759 }; 9760 9761 static const struct 9762 ieee80211_iface_combination ath10k_10_4_bcn_int_if_comb[] = { 9763 { 9764 .limits = ath10k_10_4_if_limits, 9765 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits), 9766 .max_interfaces = 16, 9767 .num_different_channels = 1, 9768 .beacon_int_infra_match = true, 9769 .beacon_int_min_gcd = 100, 9770 #ifdef CONFIG_ATH10K_DFS_CERTIFIED 9771 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 9772 BIT(NL80211_CHAN_WIDTH_20) | 9773 BIT(NL80211_CHAN_WIDTH_40) | 9774 BIT(NL80211_CHAN_WIDTH_80) | 9775 BIT(NL80211_CHAN_WIDTH_80P80) | 9776 BIT(NL80211_CHAN_WIDTH_160), 9777 #endif 9778 }, 9779 }; 9780 9781 static void ath10k_get_arvif_iter(void *data, u8 *mac, 9782 struct ieee80211_vif *vif) 9783 { 9784 struct ath10k_vif_iter *arvif_iter = data; 9785 struct ath10k_vif *arvif = (void *)vif->drv_priv; 9786 9787 if (arvif->vdev_id == arvif_iter->vdev_id) 9788 arvif_iter->arvif = arvif; 9789 } 9790 9791 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) 9792 { 9793 struct ath10k_vif_iter arvif_iter; 9794 9795 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); 9796 arvif_iter.vdev_id = vdev_id; 9797 9798 ieee80211_iterate_active_interfaces_atomic(ar->hw, 9799 ATH10K_ITER_RESUME_FLAGS, 9800 ath10k_get_arvif_iter, 9801 &arvif_iter); 9802 if (!arvif_iter.arvif) { 9803 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id); 9804 return NULL; 9805 } 9806 9807 return arvif_iter.arvif; 9808 } 9809 9810 #define WRD_METHOD "WRDD" 9811 #define WRDD_WIFI (0x07) 9812 9813 static u32 ath10k_mac_wrdd_get_mcc(struct ath10k *ar, union acpi_object *wrdd) 9814 { 9815 union acpi_object *mcc_pkg; 9816 union acpi_object *domain_type; 9817 union acpi_object *mcc_value; 9818 u32 i; 9819 9820 if (wrdd->type != ACPI_TYPE_PACKAGE || 9821 wrdd->package.count < 2 || 9822 wrdd->package.elements[0].type != ACPI_TYPE_INTEGER || 9823 wrdd->package.elements[0].integer.value != 0) { 9824 ath10k_warn(ar, "ignoring malformed/unsupported wrdd structure\n"); 9825 return 0; 9826 } 9827 9828 for (i = 1; i < wrdd->package.count; ++i) { 9829 mcc_pkg = &wrdd->package.elements[i]; 9830 9831 if (mcc_pkg->type != ACPI_TYPE_PACKAGE) 9832 continue; 9833 if (mcc_pkg->package.count < 2) 9834 continue; 9835 if (mcc_pkg->package.elements[0].type != ACPI_TYPE_INTEGER || 9836 mcc_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) 9837 continue; 9838 9839 domain_type = &mcc_pkg->package.elements[0]; 9840 if (domain_type->integer.value != WRDD_WIFI) 9841 continue; 9842 9843 mcc_value = &mcc_pkg->package.elements[1]; 9844 return mcc_value->integer.value; 9845 } 9846 return 0; 9847 } 9848 9849 static int ath10k_mac_get_wrdd_regulatory(struct ath10k *ar, u16 *rd) 9850 { 9851 acpi_handle root_handle; 9852 acpi_handle handle; 9853 struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL}; 9854 acpi_status status; 9855 u32 alpha2_code; 9856 char alpha2[3]; 9857 9858 root_handle = ACPI_HANDLE(ar->dev); 9859 if (!root_handle) 9860 return -EOPNOTSUPP; 9861 9862 status = acpi_get_handle(root_handle, (acpi_string)WRD_METHOD, &handle); 9863 if (ACPI_FAILURE(status)) { 9864 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9865 "failed to get wrd method %d\n", status); 9866 return -EIO; 9867 } 9868 9869 status = acpi_evaluate_object(handle, NULL, NULL, &wrdd); 9870 if (ACPI_FAILURE(status)) { 9871 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9872 "failed to call wrdc %d\n", status); 9873 return -EIO; 9874 } 9875 9876 alpha2_code = ath10k_mac_wrdd_get_mcc(ar, wrdd.pointer); 9877 kfree(wrdd.pointer); 9878 if (!alpha2_code) 9879 return -EIO; 9880 9881 alpha2[0] = (alpha2_code >> 8) & 0xff; 9882 alpha2[1] = (alpha2_code >> 0) & 0xff; 9883 alpha2[2] = '\0'; 9884 9885 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9886 "regulatory hint from WRDD (alpha2-code): %s\n", alpha2); 9887 9888 *rd = ath_regd_find_country_by_name(alpha2); 9889 if (*rd == 0xffff) 9890 return -EIO; 9891 9892 *rd |= COUNTRY_ERD_FLAG; 9893 return 0; 9894 } 9895 9896 static int ath10k_mac_init_rd(struct ath10k *ar) 9897 { 9898 int ret; 9899 u16 rd; 9900 9901 ret = ath10k_mac_get_wrdd_regulatory(ar, &rd); 9902 if (ret) { 9903 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9904 "fallback to eeprom programmed regulatory settings\n"); 9905 rd = ar->hw_eeprom_rd; 9906 } 9907 9908 ar->ath_common.regulatory.current_rd = rd; 9909 return 0; 9910 } 9911 9912 int ath10k_mac_register(struct ath10k *ar) 9913 { 9914 static const u32 cipher_suites[] = { 9915 WLAN_CIPHER_SUITE_WEP40, 9916 WLAN_CIPHER_SUITE_WEP104, 9917 WLAN_CIPHER_SUITE_TKIP, 9918 WLAN_CIPHER_SUITE_CCMP, 9919 9920 /* Do not add hardware supported ciphers before this line. 9921 * Allow software encryption for all chips. Don't forget to 9922 * update n_cipher_suites below. 9923 */ 9924 WLAN_CIPHER_SUITE_AES_CMAC, 9925 WLAN_CIPHER_SUITE_BIP_CMAC_256, 9926 WLAN_CIPHER_SUITE_BIP_GMAC_128, 9927 WLAN_CIPHER_SUITE_BIP_GMAC_256, 9928 9929 /* Only QCA99x0 and QCA4019 variants support GCMP-128, GCMP-256 9930 * and CCMP-256 in hardware. 9931 */ 9932 WLAN_CIPHER_SUITE_GCMP, 9933 WLAN_CIPHER_SUITE_GCMP_256, 9934 WLAN_CIPHER_SUITE_CCMP_256, 9935 }; 9936 struct ieee80211_supported_band *band; 9937 void *channels; 9938 int ret; 9939 9940 if (!is_valid_ether_addr(ar->mac_addr)) { 9941 ath10k_warn(ar, "invalid MAC address; choosing random\n"); 9942 eth_random_addr(ar->mac_addr); 9943 } 9944 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); 9945 9946 SET_IEEE80211_DEV(ar->hw, ar->dev); 9947 9948 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) + 9949 ARRAY_SIZE(ath10k_5ghz_channels)) != 9950 ATH10K_NUM_CHANS); 9951 9952 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { 9953 channels = kmemdup(ath10k_2ghz_channels, 9954 sizeof(ath10k_2ghz_channels), 9955 GFP_KERNEL); 9956 if (!channels) { 9957 ret = -ENOMEM; 9958 goto err_free; 9959 } 9960 9961 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 9962 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); 9963 band->channels = channels; 9964 9965 if (ar->hw_params.cck_rate_map_rev2) { 9966 band->n_bitrates = ath10k_g_rates_rev2_size; 9967 band->bitrates = ath10k_g_rates_rev2; 9968 } else { 9969 band->n_bitrates = ath10k_g_rates_size; 9970 band->bitrates = ath10k_g_rates; 9971 } 9972 9973 ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band; 9974 } 9975 9976 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { 9977 channels = kmemdup(ath10k_5ghz_channels, 9978 sizeof(ath10k_5ghz_channels), 9979 GFP_KERNEL); 9980 if (!channels) { 9981 ret = -ENOMEM; 9982 goto err_free; 9983 } 9984 9985 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 9986 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); 9987 band->channels = channels; 9988 band->n_bitrates = ath10k_a_rates_size; 9989 band->bitrates = ath10k_a_rates; 9990 ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band; 9991 } 9992 9993 wiphy_read_of_freq_limits(ar->hw->wiphy); 9994 ath10k_mac_setup_ht_vht_cap(ar); 9995 9996 ar->hw->wiphy->interface_modes = 9997 BIT(NL80211_IFTYPE_STATION) | 9998 BIT(NL80211_IFTYPE_AP) | 9999 BIT(NL80211_IFTYPE_MESH_POINT); 10000 10001 ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask; 10002 ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask; 10003 10004 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->normal_mode_fw.fw_file.fw_features)) 10005 ar->hw->wiphy->interface_modes |= 10006 BIT(NL80211_IFTYPE_P2P_DEVICE) | 10007 BIT(NL80211_IFTYPE_P2P_CLIENT) | 10008 BIT(NL80211_IFTYPE_P2P_GO); 10009 10010 ieee80211_hw_set(ar->hw, SIGNAL_DBM); 10011 10012 if (!test_bit(ATH10K_FW_FEATURE_NO_PS, 10013 ar->running_fw->fw_file.fw_features)) { 10014 ieee80211_hw_set(ar->hw, SUPPORTS_PS); 10015 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); 10016 } 10017 10018 ieee80211_hw_set(ar->hw, MFP_CAPABLE); 10019 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); 10020 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); 10021 ieee80211_hw_set(ar->hw, AP_LINK_PS); 10022 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT); 10023 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); 10024 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR); 10025 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK); 10026 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); 10027 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); 10028 ieee80211_hw_set(ar->hw, QUEUE_CONTROL); 10029 ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG); 10030 ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK); 10031 10032 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) 10033 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); 10034 10035 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; 10036 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 10037 10038 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) 10039 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; 10040 10041 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { 10042 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION); 10043 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW); 10044 } 10045 10046 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; 10047 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; 10048 10049 if (test_bit(WMI_SERVICE_NLO, ar->wmi.svc_map)) { 10050 ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS; 10051 ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS; 10052 ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH; 10053 ar->hw->wiphy->max_sched_scan_plans = WMI_PNO_MAX_SCHED_SCAN_PLANS; 10054 ar->hw->wiphy->max_sched_scan_plan_interval = 10055 WMI_PNO_MAX_SCHED_SCAN_PLAN_INT; 10056 ar->hw->wiphy->max_sched_scan_plan_iterations = 10057 WMI_PNO_MAX_SCHED_SCAN_PLAN_ITRNS; 10058 ar->hw->wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 10059 } 10060 10061 ar->hw->vif_data_size = sizeof(struct ath10k_vif); 10062 ar->hw->sta_data_size = sizeof(struct ath10k_sta); 10063 ar->hw->txq_data_size = sizeof(struct ath10k_txq); 10064 10065 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; 10066 10067 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) { 10068 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 10069 10070 /* Firmware delivers WPS/P2P Probe Requests frames to driver so 10071 * that userspace (e.g. wpa_supplicant/hostapd) can generate 10072 * correct Probe Responses. This is more of a hack advert.. 10073 */ 10074 ar->hw->wiphy->probe_resp_offload |= 10075 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 10076 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 10077 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 10078 } 10079 10080 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map) || 10081 test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, ar->wmi.svc_map)) { 10082 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 10083 if (test_bit(WMI_SERVICE_TDLS_WIDER_BANDWIDTH, ar->wmi.svc_map)) 10084 ieee80211_hw_set(ar->hw, TDLS_WIDER_BW); 10085 } 10086 10087 if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA, ar->wmi.svc_map)) 10088 ieee80211_hw_set(ar->hw, SUPPORTS_TDLS_BUFFER_STA); 10089 10090 if (ath10k_frame_mode == ATH10K_HW_TXRX_ETHERNET) { 10091 if (ar->wmi.vdev_param->tx_encap_type != 10092 WMI_VDEV_PARAM_UNSUPPORTED) 10093 ieee80211_hw_set(ar->hw, SUPPORTS_TX_ENCAP_OFFLOAD); 10094 } 10095 10096 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 10097 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 10098 ar->hw->wiphy->max_remain_on_channel_duration = 5000; 10099 10100 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 10101 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 10102 NL80211_FEATURE_AP_SCAN; 10103 10104 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; 10105 10106 ret = ath10k_wow_init(ar); 10107 if (ret) { 10108 ath10k_warn(ar, "failed to init wow: %d\n", ret); 10109 goto err_free; 10110 } 10111 10112 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 10113 wiphy_ext_feature_set(ar->hw->wiphy, 10114 NL80211_EXT_FEATURE_SET_SCAN_DWELL); 10115 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_AQL); 10116 10117 if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map) || 10118 test_bit(WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS, ar->wmi.svc_map)) 10119 wiphy_ext_feature_set(ar->hw->wiphy, 10120 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT); 10121 10122 if (ath10k_peer_stats_enabled(ar) || 10123 test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map)) 10124 wiphy_ext_feature_set(ar->hw->wiphy, 10125 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS); 10126 10127 if (test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) 10128 wiphy_ext_feature_set(ar->hw->wiphy, 10129 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 10130 10131 if (test_bit(WMI_SERVICE_TX_PWR_PER_PEER, ar->wmi.svc_map)) 10132 wiphy_ext_feature_set(ar->hw->wiphy, 10133 NL80211_EXT_FEATURE_STA_TX_PWR); 10134 10135 if (test_bit(WMI_SERVICE_PEER_TID_CONFIGS_SUPPORT, ar->wmi.svc_map)) { 10136 ar->hw->wiphy->tid_config_support.vif |= 10137 BIT(NL80211_TID_CONFIG_ATTR_NOACK) | 10138 BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT) | 10139 BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG) | 10140 BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL) | 10141 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 10142 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE); 10143 10144 if (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT, 10145 ar->wmi.svc_map)) { 10146 ar->hw->wiphy->tid_config_support.vif |= 10147 BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL); 10148 } 10149 10150 ar->hw->wiphy->tid_config_support.peer = 10151 ar->hw->wiphy->tid_config_support.vif; 10152 ar->hw->wiphy->max_data_retry_count = ATH10K_MAX_RETRY_COUNT; 10153 } else { 10154 ar->ops->set_tid_config = NULL; 10155 } 10156 /* 10157 * on LL hardware queues are managed entirely by the FW 10158 * so we only advertise to mac we can do the queues thing 10159 */ 10160 ar->hw->queues = IEEE80211_MAX_QUEUES; 10161 10162 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is 10163 * something that vdev_ids can't reach so that we don't stop the queue 10164 * accidentally. 10165 */ 10166 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1; 10167 10168 switch (ar->running_fw->fw_file.wmi_op_version) { 10169 case ATH10K_FW_WMI_OP_VERSION_MAIN: 10170 ar->hw->wiphy->iface_combinations = ath10k_if_comb; 10171 ar->hw->wiphy->n_iface_combinations = 10172 ARRAY_SIZE(ath10k_if_comb); 10173 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); 10174 break; 10175 case ATH10K_FW_WMI_OP_VERSION_TLV: 10176 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) { 10177 ar->hw->wiphy->iface_combinations = 10178 ath10k_tlv_qcs_if_comb; 10179 ar->hw->wiphy->n_iface_combinations = 10180 ARRAY_SIZE(ath10k_tlv_qcs_if_comb); 10181 } else { 10182 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb; 10183 ar->hw->wiphy->n_iface_combinations = 10184 ARRAY_SIZE(ath10k_tlv_if_comb); 10185 } 10186 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); 10187 break; 10188 case ATH10K_FW_WMI_OP_VERSION_10_1: 10189 case ATH10K_FW_WMI_OP_VERSION_10_2: 10190 case ATH10K_FW_WMI_OP_VERSION_10_2_4: 10191 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb; 10192 ar->hw->wiphy->n_iface_combinations = 10193 ARRAY_SIZE(ath10k_10x_if_comb); 10194 break; 10195 case ATH10K_FW_WMI_OP_VERSION_10_4: 10196 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb; 10197 ar->hw->wiphy->n_iface_combinations = 10198 ARRAY_SIZE(ath10k_10_4_if_comb); 10199 if (test_bit(WMI_SERVICE_VDEV_DIFFERENT_BEACON_INTERVAL_SUPPORT, 10200 ar->wmi.svc_map)) { 10201 ar->hw->wiphy->iface_combinations = 10202 ath10k_10_4_bcn_int_if_comb; 10203 ar->hw->wiphy->n_iface_combinations = 10204 ARRAY_SIZE(ath10k_10_4_bcn_int_if_comb); 10205 } 10206 break; 10207 case ATH10K_FW_WMI_OP_VERSION_UNSET: 10208 case ATH10K_FW_WMI_OP_VERSION_MAX: 10209 WARN_ON(1); 10210 ret = -EINVAL; 10211 goto err_free; 10212 } 10213 10214 if (ar->hw_params.dynamic_sar_support) 10215 ar->hw->wiphy->sar_capa = &ath10k_sar_capa; 10216 10217 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) 10218 ar->hw->netdev_features = NETIF_F_HW_CSUM; 10219 10220 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) { 10221 /* Init ath dfs pattern detector */ 10222 ar->ath_common.debug_mask = ATH_DBG_DFS; 10223 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common, 10224 NL80211_DFS_UNSET); 10225 10226 if (!ar->dfs_detector) 10227 ath10k_warn(ar, "failed to initialise DFS pattern detector\n"); 10228 } 10229 10230 ret = ath10k_mac_init_rd(ar); 10231 if (ret) { 10232 ath10k_err(ar, "failed to derive regdom: %d\n", ret); 10233 goto err_dfs_detector_exit; 10234 } 10235 10236 /* Disable set_coverage_class for chipsets that do not support it. */ 10237 if (!ar->hw_params.hw_ops->set_coverage_class) 10238 ar->ops->set_coverage_class = NULL; 10239 10240 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, 10241 ath10k_reg_notifier); 10242 if (ret) { 10243 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret); 10244 goto err_dfs_detector_exit; 10245 } 10246 10247 if (test_bit(WMI_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi.svc_map)) { 10248 ar->hw->wiphy->features |= 10249 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 10250 } 10251 10252 ar->hw->wiphy->cipher_suites = cipher_suites; 10253 10254 /* QCA988x and QCA6174 family chips do not support CCMP-256, GCMP-128 10255 * and GCMP-256 ciphers in hardware. Fetch number of ciphers supported 10256 * from chip specific hw_param table. 10257 */ 10258 if (!ar->hw_params.n_cipher_suites || 10259 ar->hw_params.n_cipher_suites > ARRAY_SIZE(cipher_suites)) { 10260 ath10k_err(ar, "invalid hw_params.n_cipher_suites %d\n", 10261 ar->hw_params.n_cipher_suites); 10262 ar->hw_params.n_cipher_suites = 8; 10263 } 10264 ar->hw->wiphy->n_cipher_suites = ar->hw_params.n_cipher_suites; 10265 10266 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 10267 10268 ar->hw->weight_multiplier = ATH10K_AIRTIME_WEIGHT_MULTIPLIER; 10269 10270 ret = ieee80211_register_hw(ar->hw); 10271 if (ret) { 10272 ath10k_err(ar, "failed to register ieee80211: %d\n", ret); 10273 goto err_dfs_detector_exit; 10274 } 10275 10276 if (test_bit(WMI_SERVICE_PER_PACKET_SW_ENCRYPT, ar->wmi.svc_map)) { 10277 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 10278 ar->hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 10279 } 10280 10281 if (!ath_is_world_regd(&ar->ath_common.reg_world_copy) && 10282 !ath_is_world_regd(&ar->ath_common.regulatory)) { 10283 ret = regulatory_hint(ar->hw->wiphy, 10284 ar->ath_common.regulatory.alpha2); 10285 if (ret) 10286 goto err_unregister; 10287 } 10288 10289 return 0; 10290 10291 err_unregister: 10292 ieee80211_unregister_hw(ar->hw); 10293 10294 err_dfs_detector_exit: 10295 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) 10296 ar->dfs_detector->exit(ar->dfs_detector); 10297 10298 err_free: 10299 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10300 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 10301 10302 SET_IEEE80211_DEV(ar->hw, NULL); 10303 return ret; 10304 } 10305 10306 void ath10k_mac_unregister(struct ath10k *ar) 10307 { 10308 ieee80211_unregister_hw(ar->hw); 10309 10310 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) 10311 ar->dfs_detector->exit(ar->dfs_detector); 10312 10313 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10314 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 10315 10316 SET_IEEE80211_DEV(ar->hw, NULL); 10317 } 10318