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