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 5587 /* Using a kernel pointer in place of a dma_addr_t 5588 * token can lead to undefined behavior if that 5589 * makes it into cache management functions. Use a 5590 * known-invalid address token instead, which 5591 * avoids the warning and makes it easier to catch 5592 * bugs if it does end up getting used. 5593 */ 5594 arvif->beacon_paddr = DMA_MAPPING_ERROR; 5595 } else { 5596 arvif->beacon_buf = 5597 dma_alloc_coherent(ar->dev, 5598 IEEE80211_MAX_FRAME_LEN, 5599 &arvif->beacon_paddr, 5600 GFP_ATOMIC); 5601 } 5602 if (!arvif->beacon_buf) { 5603 ret = -ENOMEM; 5604 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", 5605 ret); 5606 goto err; 5607 } 5608 } 5609 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags)) 5610 arvif->nohwcrypt = true; 5611 5612 if (arvif->nohwcrypt && 5613 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { 5614 ret = -EINVAL; 5615 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n"); 5616 goto err; 5617 } 5618 5619 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", 5620 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, 5621 arvif->beacon_buf ? "single-buf" : "per-skb"); 5622 5623 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, 5624 arvif->vdev_subtype, vif->addr); 5625 if (ret) { 5626 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n", 5627 arvif->vdev_id, ret); 5628 goto err; 5629 } 5630 5631 if (test_bit(WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT, 5632 ar->wmi.svc_map)) { 5633 vdev_param = ar->wmi.vdev_param->disable_4addr_src_lrn; 5634 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5635 WMI_VDEV_DISABLE_4_ADDR_SRC_LRN); 5636 if (ret && ret != -EOPNOTSUPP) { 5637 ath10k_warn(ar, "failed to disable 4addr src lrn vdev %i: %d\n", 5638 arvif->vdev_id, ret); 5639 } 5640 } 5641 5642 ar->free_vdev_map &= ~(1LL << arvif->vdev_id); 5643 spin_lock_bh(&ar->data_lock); 5644 list_add(&arvif->list, &ar->arvifs); 5645 spin_unlock_bh(&ar->data_lock); 5646 5647 /* It makes no sense to have firmware do keepalives. mac80211 already 5648 * takes care of this with idle connection polling. 5649 */ 5650 ret = ath10k_mac_vif_disable_keepalive(arvif); 5651 if (ret) { 5652 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n", 5653 arvif->vdev_id, ret); 5654 goto err_vdev_delete; 5655 } 5656 5657 arvif->def_wep_key_idx = -1; 5658 5659 vdev_param = ar->wmi.vdev_param->tx_encap_type; 5660 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5661 ATH10K_HW_TXRX_NATIVE_WIFI); 5662 /* 10.X firmware does not support this VDEV parameter. Do not warn */ 5663 if (ret && ret != -EOPNOTSUPP) { 5664 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n", 5665 arvif->vdev_id, ret); 5666 goto err_vdev_delete; 5667 } 5668 5669 /* Configuring number of spatial stream for monitor interface is causing 5670 * target assert in qca9888 and qca6174. 5671 */ 5672 if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) { 5673 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); 5674 5675 vdev_param = ar->wmi.vdev_param->nss; 5676 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5677 nss); 5678 if (ret) { 5679 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n", 5680 arvif->vdev_id, ar->cfg_tx_chainmask, nss, 5681 ret); 5682 goto err_vdev_delete; 5683 } 5684 } 5685 5686 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5687 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5688 ret = ath10k_peer_create(ar, vif, NULL, arvif->vdev_id, 5689 vif->addr, WMI_PEER_TYPE_DEFAULT); 5690 if (ret) { 5691 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n", 5692 arvif->vdev_id, ret); 5693 goto err_vdev_delete; 5694 } 5695 5696 spin_lock_bh(&ar->data_lock); 5697 5698 peer = ath10k_peer_find(ar, arvif->vdev_id, vif->addr); 5699 if (!peer) { 5700 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", 5701 vif->addr, arvif->vdev_id); 5702 spin_unlock_bh(&ar->data_lock); 5703 ret = -ENOENT; 5704 goto err_peer_delete; 5705 } 5706 5707 arvif->peer_id = find_first_bit(peer->peer_ids, 5708 ATH10K_MAX_NUM_PEER_IDS); 5709 5710 spin_unlock_bh(&ar->data_lock); 5711 } else { 5712 arvif->peer_id = HTT_INVALID_PEERID; 5713 } 5714 5715 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { 5716 ret = ath10k_mac_set_kickout(arvif); 5717 if (ret) { 5718 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n", 5719 arvif->vdev_id, ret); 5720 goto err_peer_delete; 5721 } 5722 } 5723 5724 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { 5725 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; 5726 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 5727 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 5728 param, value); 5729 if (ret) { 5730 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n", 5731 arvif->vdev_id, ret); 5732 goto err_peer_delete; 5733 } 5734 5735 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); 5736 if (ret) { 5737 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", 5738 arvif->vdev_id, ret); 5739 goto err_peer_delete; 5740 } 5741 5742 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); 5743 if (ret) { 5744 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", 5745 arvif->vdev_id, ret); 5746 goto err_peer_delete; 5747 } 5748 } 5749 5750 ret = ath10k_mac_set_txbf_conf(arvif); 5751 if (ret) { 5752 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n", 5753 arvif->vdev_id, ret); 5754 goto err_peer_delete; 5755 } 5756 5757 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); 5758 if (ret) { 5759 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", 5760 arvif->vdev_id, ret); 5761 goto err_peer_delete; 5762 } 5763 5764 arvif->txpower = vif->bss_conf.txpower; 5765 ret = ath10k_mac_txpower_recalc(ar); 5766 if (ret) { 5767 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); 5768 goto err_peer_delete; 5769 } 5770 5771 if (test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) { 5772 vdev_param = ar->wmi.vdev_param->rtt_responder_role; 5773 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 5774 arvif->ftm_responder); 5775 5776 /* It is harmless to not set FTM role. Do not warn */ 5777 if (ret && ret != -EOPNOTSUPP) 5778 ath10k_warn(ar, "failed to set vdev %i FTM Responder: %d\n", 5779 arvif->vdev_id, ret); 5780 } 5781 5782 if (vif->type == NL80211_IFTYPE_MONITOR) { 5783 ar->monitor_arvif = arvif; 5784 ret = ath10k_monitor_recalc(ar); 5785 if (ret) { 5786 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); 5787 goto err_peer_delete; 5788 } 5789 } 5790 5791 spin_lock_bh(&ar->htt.tx_lock); 5792 if (!ar->tx_paused) 5793 ieee80211_wake_queue(ar->hw, arvif->vdev_id); 5794 spin_unlock_bh(&ar->htt.tx_lock); 5795 5796 mutex_unlock(&ar->conf_mutex); 5797 return 0; 5798 5799 err_peer_delete: 5800 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5801 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5802 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr); 5803 ath10k_wait_for_peer_delete_done(ar, arvif->vdev_id, 5804 vif->addr); 5805 } 5806 5807 err_vdev_delete: 5808 ath10k_wmi_vdev_delete(ar, arvif->vdev_id); 5809 ar->free_vdev_map |= 1LL << arvif->vdev_id; 5810 spin_lock_bh(&ar->data_lock); 5811 list_del(&arvif->list); 5812 spin_unlock_bh(&ar->data_lock); 5813 5814 err: 5815 if (arvif->beacon_buf) { 5816 if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) 5817 kfree(arvif->beacon_buf); 5818 else 5819 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, 5820 arvif->beacon_buf, 5821 arvif->beacon_paddr); 5822 arvif->beacon_buf = NULL; 5823 } 5824 5825 mutex_unlock(&ar->conf_mutex); 5826 5827 return ret; 5828 } 5829 5830 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif) 5831 { 5832 int i; 5833 5834 for (i = 0; i < BITS_PER_LONG; i++) 5835 ath10k_mac_vif_tx_unlock(arvif, i); 5836 } 5837 5838 static void ath10k_remove_interface(struct ieee80211_hw *hw, 5839 struct ieee80211_vif *vif) 5840 { 5841 struct ath10k *ar = hw->priv; 5842 struct ath10k_vif *arvif = (void *)vif->drv_priv; 5843 struct ath10k_peer *peer; 5844 unsigned long time_left; 5845 int ret; 5846 int i; 5847 5848 cancel_work_sync(&arvif->ap_csa_work); 5849 cancel_delayed_work_sync(&arvif->connection_loss_work); 5850 5851 mutex_lock(&ar->conf_mutex); 5852 5853 ret = ath10k_spectral_vif_stop(arvif); 5854 if (ret) 5855 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", 5856 arvif->vdev_id, ret); 5857 5858 ar->free_vdev_map |= 1LL << arvif->vdev_id; 5859 spin_lock_bh(&ar->data_lock); 5860 list_del(&arvif->list); 5861 spin_unlock_bh(&ar->data_lock); 5862 5863 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5864 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5865 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id, 5866 vif->addr); 5867 if (ret) 5868 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n", 5869 arvif->vdev_id, ret); 5870 5871 ath10k_wait_for_peer_delete_done(ar, arvif->vdev_id, 5872 vif->addr); 5873 kfree(arvif->u.ap.noa_data); 5874 } 5875 5876 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n", 5877 arvif->vdev_id); 5878 5879 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); 5880 if (ret) 5881 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n", 5882 arvif->vdev_id, ret); 5883 5884 if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) { 5885 time_left = wait_for_completion_timeout(&ar->vdev_delete_done, 5886 ATH10K_VDEV_DELETE_TIMEOUT_HZ); 5887 if (time_left == 0) { 5888 ath10k_warn(ar, "Timeout in receiving vdev delete response\n"); 5889 goto out; 5890 } 5891 } 5892 5893 /* Some firmware revisions don't notify host about self-peer removal 5894 * until after associated vdev is deleted. 5895 */ 5896 if (arvif->vdev_type == WMI_VDEV_TYPE_AP || 5897 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { 5898 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id, 5899 vif->addr); 5900 if (ret) 5901 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n", 5902 arvif->vdev_id, ret); 5903 5904 spin_lock_bh(&ar->data_lock); 5905 ar->num_peers--; 5906 spin_unlock_bh(&ar->data_lock); 5907 } 5908 5909 spin_lock_bh(&ar->data_lock); 5910 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { 5911 peer = ar->peer_map[i]; 5912 if (!peer) 5913 continue; 5914 5915 if (peer->vif == vif) { 5916 ath10k_warn(ar, "found vif peer %pM entry on vdev %i after it was supposedly removed\n", 5917 vif->addr, arvif->vdev_id); 5918 peer->vif = NULL; 5919 } 5920 } 5921 5922 /* Clean this up late, less opportunity for firmware to access 5923 * DMA memory we have deleted. 5924 */ 5925 ath10k_mac_vif_beacon_cleanup(arvif); 5926 spin_unlock_bh(&ar->data_lock); 5927 5928 ath10k_peer_cleanup(ar, arvif->vdev_id); 5929 ath10k_mac_txq_unref(ar, vif->txq); 5930 5931 if (vif->type == NL80211_IFTYPE_MONITOR) { 5932 ar->monitor_arvif = NULL; 5933 ret = ath10k_monitor_recalc(ar); 5934 if (ret) 5935 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); 5936 } 5937 5938 ret = ath10k_mac_txpower_recalc(ar); 5939 if (ret) 5940 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); 5941 5942 spin_lock_bh(&ar->htt.tx_lock); 5943 ath10k_mac_vif_tx_unlock_all(arvif); 5944 spin_unlock_bh(&ar->htt.tx_lock); 5945 5946 ath10k_mac_txq_unref(ar, vif->txq); 5947 5948 out: 5949 mutex_unlock(&ar->conf_mutex); 5950 } 5951 5952 /* 5953 * FIXME: Has to be verified. 5954 */ 5955 #define SUPPORTED_FILTERS \ 5956 (FIF_ALLMULTI | \ 5957 FIF_CONTROL | \ 5958 FIF_PSPOLL | \ 5959 FIF_OTHER_BSS | \ 5960 FIF_BCN_PRBRESP_PROMISC | \ 5961 FIF_PROBE_REQ | \ 5962 FIF_FCSFAIL) 5963 5964 static void ath10k_configure_filter(struct ieee80211_hw *hw, 5965 unsigned int changed_flags, 5966 unsigned int *total_flags, 5967 u64 multicast) 5968 { 5969 struct ath10k *ar = hw->priv; 5970 int ret; 5971 5972 mutex_lock(&ar->conf_mutex); 5973 5974 changed_flags &= SUPPORTED_FILTERS; 5975 *total_flags &= SUPPORTED_FILTERS; 5976 ar->filter_flags = *total_flags; 5977 5978 ret = ath10k_monitor_recalc(ar); 5979 if (ret) 5980 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); 5981 5982 mutex_unlock(&ar->conf_mutex); 5983 } 5984 5985 static void ath10k_recalculate_mgmt_rate(struct ath10k *ar, 5986 struct ieee80211_vif *vif, 5987 struct cfg80211_chan_def *def) 5988 { 5989 struct ath10k_vif *arvif = (void *)vif->drv_priv; 5990 const struct ieee80211_supported_band *sband; 5991 u8 basic_rate_idx; 5992 int hw_rate_code; 5993 u32 vdev_param; 5994 u16 bitrate; 5995 int ret; 5996 5997 lockdep_assert_held(&ar->conf_mutex); 5998 5999 sband = ar->hw->wiphy->bands[def->chan->band]; 6000 basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1; 6001 bitrate = sband->bitrates[basic_rate_idx].bitrate; 6002 6003 hw_rate_code = ath10k_mac_get_rate_hw_value(bitrate); 6004 if (hw_rate_code < 0) { 6005 ath10k_warn(ar, "bitrate not supported %d\n", bitrate); 6006 return; 6007 } 6008 6009 vdev_param = ar->wmi.vdev_param->mgmt_rate; 6010 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6011 hw_rate_code); 6012 if (ret) 6013 ath10k_warn(ar, "failed to set mgmt tx rate %d\n", ret); 6014 } 6015 6016 static void ath10k_bss_info_changed(struct ieee80211_hw *hw, 6017 struct ieee80211_vif *vif, 6018 struct ieee80211_bss_conf *info, 6019 u32 changed) 6020 { 6021 struct ath10k *ar = hw->priv; 6022 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6023 struct cfg80211_chan_def def; 6024 u32 vdev_param, pdev_param, slottime, preamble; 6025 u16 bitrate, hw_value; 6026 u8 rate, rateidx; 6027 int ret = 0, mcast_rate; 6028 enum nl80211_band band; 6029 6030 mutex_lock(&ar->conf_mutex); 6031 6032 if (changed & BSS_CHANGED_IBSS) 6033 ath10k_control_ibss(arvif, info, vif->addr); 6034 6035 if (changed & BSS_CHANGED_BEACON_INT) { 6036 arvif->beacon_interval = info->beacon_int; 6037 vdev_param = ar->wmi.vdev_param->beacon_interval; 6038 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6039 arvif->beacon_interval); 6040 ath10k_dbg(ar, ATH10K_DBG_MAC, 6041 "mac vdev %d beacon_interval %d\n", 6042 arvif->vdev_id, arvif->beacon_interval); 6043 6044 if (ret) 6045 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n", 6046 arvif->vdev_id, ret); 6047 } 6048 6049 if (changed & BSS_CHANGED_BEACON) { 6050 ath10k_dbg(ar, ATH10K_DBG_MAC, 6051 "vdev %d set beacon tx mode to staggered\n", 6052 arvif->vdev_id); 6053 6054 pdev_param = ar->wmi.pdev_param->beacon_tx_mode; 6055 ret = ath10k_wmi_pdev_set_param(ar, pdev_param, 6056 WMI_BEACON_STAGGERED_MODE); 6057 if (ret) 6058 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n", 6059 arvif->vdev_id, ret); 6060 6061 ret = ath10k_mac_setup_bcn_tmpl(arvif); 6062 if (ret) 6063 ath10k_warn(ar, "failed to update beacon template: %d\n", 6064 ret); 6065 6066 if (ieee80211_vif_is_mesh(vif)) { 6067 /* mesh doesn't use SSID but firmware needs it */ 6068 strncpy(arvif->u.ap.ssid, "mesh", 6069 sizeof(arvif->u.ap.ssid)); 6070 arvif->u.ap.ssid_len = 4; 6071 } 6072 } 6073 6074 if (changed & BSS_CHANGED_AP_PROBE_RESP) { 6075 ret = ath10k_mac_setup_prb_tmpl(arvif); 6076 if (ret) 6077 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n", 6078 arvif->vdev_id, ret); 6079 } 6080 6081 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { 6082 arvif->dtim_period = info->dtim_period; 6083 6084 ath10k_dbg(ar, ATH10K_DBG_MAC, 6085 "mac vdev %d dtim_period %d\n", 6086 arvif->vdev_id, arvif->dtim_period); 6087 6088 vdev_param = ar->wmi.vdev_param->dtim_period; 6089 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6090 arvif->dtim_period); 6091 if (ret) 6092 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n", 6093 arvif->vdev_id, ret); 6094 } 6095 6096 if (changed & BSS_CHANGED_SSID && 6097 vif->type == NL80211_IFTYPE_AP) { 6098 arvif->u.ap.ssid_len = info->ssid_len; 6099 if (info->ssid_len) 6100 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); 6101 arvif->u.ap.hidden_ssid = info->hidden_ssid; 6102 } 6103 6104 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) 6105 ether_addr_copy(arvif->bssid, info->bssid); 6106 6107 if (changed & BSS_CHANGED_FTM_RESPONDER && 6108 arvif->ftm_responder != info->ftm_responder && 6109 test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) { 6110 arvif->ftm_responder = info->ftm_responder; 6111 6112 vdev_param = ar->wmi.vdev_param->rtt_responder_role; 6113 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6114 arvif->ftm_responder); 6115 6116 ath10k_dbg(ar, ATH10K_DBG_MAC, 6117 "mac vdev %d ftm_responder %d:ret %d\n", 6118 arvif->vdev_id, arvif->ftm_responder, ret); 6119 } 6120 6121 if (changed & BSS_CHANGED_BEACON_ENABLED) 6122 ath10k_control_beaconing(arvif, info); 6123 6124 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 6125 arvif->use_cts_prot = info->use_cts_prot; 6126 6127 ret = ath10k_recalc_rtscts_prot(arvif); 6128 if (ret) 6129 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", 6130 arvif->vdev_id, ret); 6131 6132 if (ath10k_mac_can_set_cts_prot(arvif)) { 6133 ret = ath10k_mac_set_cts_prot(arvif); 6134 if (ret) 6135 ath10k_warn(ar, "failed to set cts protection for vdev %d: %d\n", 6136 arvif->vdev_id, ret); 6137 } 6138 } 6139 6140 if (changed & BSS_CHANGED_ERP_SLOT) { 6141 if (info->use_short_slot) 6142 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ 6143 6144 else 6145 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ 6146 6147 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n", 6148 arvif->vdev_id, slottime); 6149 6150 vdev_param = ar->wmi.vdev_param->slot_time; 6151 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6152 slottime); 6153 if (ret) 6154 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n", 6155 arvif->vdev_id, ret); 6156 } 6157 6158 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 6159 if (info->use_short_preamble) 6160 preamble = WMI_VDEV_PREAMBLE_SHORT; 6161 else 6162 preamble = WMI_VDEV_PREAMBLE_LONG; 6163 6164 ath10k_dbg(ar, ATH10K_DBG_MAC, 6165 "mac vdev %d preamble %dn", 6166 arvif->vdev_id, preamble); 6167 6168 vdev_param = ar->wmi.vdev_param->preamble; 6169 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6170 preamble); 6171 if (ret) 6172 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n", 6173 arvif->vdev_id, ret); 6174 } 6175 6176 if (changed & BSS_CHANGED_ASSOC) { 6177 if (info->assoc) { 6178 /* Workaround: Make sure monitor vdev is not running 6179 * when associating to prevent some firmware revisions 6180 * (e.g. 10.1 and 10.2) from crashing. 6181 */ 6182 if (ar->monitor_started) 6183 ath10k_monitor_stop(ar); 6184 ath10k_bss_assoc(hw, vif, info); 6185 ath10k_monitor_recalc(ar); 6186 } else { 6187 ath10k_bss_disassoc(hw, vif); 6188 } 6189 } 6190 6191 if (changed & BSS_CHANGED_TXPOWER) { 6192 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", 6193 arvif->vdev_id, info->txpower); 6194 6195 arvif->txpower = info->txpower; 6196 ret = ath10k_mac_txpower_recalc(ar); 6197 if (ret) 6198 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); 6199 } 6200 6201 if (changed & BSS_CHANGED_PS) { 6202 arvif->ps = vif->bss_conf.ps; 6203 6204 ret = ath10k_config_ps(ar); 6205 if (ret) 6206 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n", 6207 arvif->vdev_id, ret); 6208 } 6209 6210 if (changed & BSS_CHANGED_MCAST_RATE && 6211 !ath10k_mac_vif_chan(arvif->vif, &def)) { 6212 band = def.chan->band; 6213 mcast_rate = vif->bss_conf.mcast_rate[band]; 6214 if (mcast_rate > 0) 6215 rateidx = mcast_rate - 1; 6216 else 6217 rateidx = ffs(vif->bss_conf.basic_rates) - 1; 6218 6219 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) 6220 rateidx += ATH10K_MAC_FIRST_OFDM_RATE_IDX; 6221 6222 bitrate = ath10k_wmi_legacy_rates[rateidx].bitrate; 6223 hw_value = ath10k_wmi_legacy_rates[rateidx].hw_value; 6224 if (ath10k_mac_bitrate_is_cck(bitrate)) 6225 preamble = WMI_RATE_PREAMBLE_CCK; 6226 else 6227 preamble = WMI_RATE_PREAMBLE_OFDM; 6228 6229 rate = ATH10K_HW_RATECODE(hw_value, 0, preamble); 6230 6231 ath10k_dbg(ar, ATH10K_DBG_MAC, 6232 "mac vdev %d mcast_rate %x\n", 6233 arvif->vdev_id, rate); 6234 6235 vdev_param = ar->wmi.vdev_param->mcast_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 mcast rate on vdev %i: %d\n", 6241 arvif->vdev_id, ret); 6242 6243 vdev_param = ar->wmi.vdev_param->bcast_data_rate; 6244 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, 6245 vdev_param, rate); 6246 if (ret) 6247 ath10k_warn(ar, 6248 "failed to set bcast rate on vdev %i: %d\n", 6249 arvif->vdev_id, ret); 6250 } 6251 6252 if (changed & BSS_CHANGED_BASIC_RATES && 6253 !ath10k_mac_vif_chan(arvif->vif, &def)) 6254 ath10k_recalculate_mgmt_rate(ar, vif, &def); 6255 6256 mutex_unlock(&ar->conf_mutex); 6257 } 6258 6259 static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, s16 value) 6260 { 6261 struct ath10k *ar = hw->priv; 6262 6263 /* This function should never be called if setting the coverage class 6264 * is not supported on this hardware. 6265 */ 6266 if (!ar->hw_params.hw_ops->set_coverage_class) { 6267 WARN_ON_ONCE(1); 6268 return; 6269 } 6270 ar->hw_params.hw_ops->set_coverage_class(ar, value); 6271 } 6272 6273 struct ath10k_mac_tdls_iter_data { 6274 u32 num_tdls_stations; 6275 struct ieee80211_vif *curr_vif; 6276 }; 6277 6278 static void ath10k_mac_tdls_vif_stations_count_iter(void *data, 6279 struct ieee80211_sta *sta) 6280 { 6281 struct ath10k_mac_tdls_iter_data *iter_data = data; 6282 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 6283 struct ieee80211_vif *sta_vif = arsta->arvif->vif; 6284 6285 if (sta->tdls && sta_vif == iter_data->curr_vif) 6286 iter_data->num_tdls_stations++; 6287 } 6288 6289 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw, 6290 struct ieee80211_vif *vif) 6291 { 6292 struct ath10k_mac_tdls_iter_data data = {}; 6293 6294 data.curr_vif = vif; 6295 6296 ieee80211_iterate_stations_atomic(hw, 6297 ath10k_mac_tdls_vif_stations_count_iter, 6298 &data); 6299 return data.num_tdls_stations; 6300 } 6301 6302 static int ath10k_hw_scan(struct ieee80211_hw *hw, 6303 struct ieee80211_vif *vif, 6304 struct ieee80211_scan_request *hw_req) 6305 { 6306 struct ath10k *ar = hw->priv; 6307 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6308 struct cfg80211_scan_request *req = &hw_req->req; 6309 struct wmi_start_scan_arg arg; 6310 int ret = 0; 6311 int i; 6312 u32 scan_timeout; 6313 6314 mutex_lock(&ar->conf_mutex); 6315 6316 if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) { 6317 ret = -EBUSY; 6318 goto exit; 6319 } 6320 6321 spin_lock_bh(&ar->data_lock); 6322 switch (ar->scan.state) { 6323 case ATH10K_SCAN_IDLE: 6324 reinit_completion(&ar->scan.started); 6325 reinit_completion(&ar->scan.completed); 6326 ar->scan.state = ATH10K_SCAN_STARTING; 6327 ar->scan.is_roc = false; 6328 ar->scan.vdev_id = arvif->vdev_id; 6329 ret = 0; 6330 break; 6331 case ATH10K_SCAN_STARTING: 6332 case ATH10K_SCAN_RUNNING: 6333 case ATH10K_SCAN_ABORTING: 6334 ret = -EBUSY; 6335 break; 6336 } 6337 spin_unlock_bh(&ar->data_lock); 6338 6339 if (ret) 6340 goto exit; 6341 6342 memset(&arg, 0, sizeof(arg)); 6343 ath10k_wmi_start_scan_init(ar, &arg); 6344 arg.vdev_id = arvif->vdev_id; 6345 arg.scan_id = ATH10K_SCAN_ID; 6346 6347 if (req->ie_len) { 6348 arg.ie_len = req->ie_len; 6349 memcpy(arg.ie, req->ie, arg.ie_len); 6350 } 6351 6352 if (req->n_ssids) { 6353 arg.n_ssids = req->n_ssids; 6354 for (i = 0; i < arg.n_ssids; i++) { 6355 arg.ssids[i].len = req->ssids[i].ssid_len; 6356 arg.ssids[i].ssid = req->ssids[i].ssid; 6357 } 6358 } else { 6359 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; 6360 } 6361 6362 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 6363 arg.scan_ctrl_flags |= WMI_SCAN_ADD_SPOOFED_MAC_IN_PROBE_REQ; 6364 ether_addr_copy(arg.mac_addr.addr, req->mac_addr); 6365 ether_addr_copy(arg.mac_mask.addr, req->mac_addr_mask); 6366 } 6367 6368 if (req->n_channels) { 6369 arg.n_channels = req->n_channels; 6370 for (i = 0; i < arg.n_channels; i++) 6371 arg.channels[i] = req->channels[i]->center_freq; 6372 } 6373 6374 /* if duration is set, default dwell times will be overwritten */ 6375 if (req->duration) { 6376 arg.dwell_time_active = req->duration; 6377 arg.dwell_time_passive = req->duration; 6378 arg.burst_duration_ms = req->duration; 6379 6380 scan_timeout = min_t(u32, arg.max_rest_time * 6381 (arg.n_channels - 1) + (req->duration + 6382 ATH10K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) * 6383 arg.n_channels, arg.max_scan_time + 200); 6384 6385 } else { 6386 /* Add a 200ms margin to account for event/command processing */ 6387 scan_timeout = arg.max_scan_time + 200; 6388 } 6389 6390 ret = ath10k_start_scan(ar, &arg); 6391 if (ret) { 6392 ath10k_warn(ar, "failed to start hw scan: %d\n", ret); 6393 spin_lock_bh(&ar->data_lock); 6394 ar->scan.state = ATH10K_SCAN_IDLE; 6395 spin_unlock_bh(&ar->data_lock); 6396 } 6397 6398 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, 6399 msecs_to_jiffies(scan_timeout)); 6400 6401 exit: 6402 mutex_unlock(&ar->conf_mutex); 6403 return ret; 6404 } 6405 6406 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, 6407 struct ieee80211_vif *vif) 6408 { 6409 struct ath10k *ar = hw->priv; 6410 6411 mutex_lock(&ar->conf_mutex); 6412 ath10k_scan_abort(ar); 6413 mutex_unlock(&ar->conf_mutex); 6414 6415 cancel_delayed_work_sync(&ar->scan.timeout); 6416 } 6417 6418 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar, 6419 struct ath10k_vif *arvif, 6420 enum set_key_cmd cmd, 6421 struct ieee80211_key_conf *key) 6422 { 6423 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid; 6424 int ret; 6425 6426 /* 10.1 firmware branch requires default key index to be set to group 6427 * key index after installing it. Otherwise FW/HW Txes corrupted 6428 * frames with multi-vif APs. This is not required for main firmware 6429 * branch (e.g. 636). 6430 * 6431 * This is also needed for 636 fw for IBSS-RSN to work more reliably. 6432 * 6433 * FIXME: It remains unknown if this is required for multi-vif STA 6434 * interfaces on 10.1. 6435 */ 6436 6437 if (arvif->vdev_type != WMI_VDEV_TYPE_AP && 6438 arvif->vdev_type != WMI_VDEV_TYPE_IBSS) 6439 return; 6440 6441 if (key->cipher == WLAN_CIPHER_SUITE_WEP40) 6442 return; 6443 6444 if (key->cipher == WLAN_CIPHER_SUITE_WEP104) 6445 return; 6446 6447 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 6448 return; 6449 6450 if (cmd != SET_KEY) 6451 return; 6452 6453 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, 6454 key->keyidx); 6455 if (ret) 6456 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n", 6457 arvif->vdev_id, ret); 6458 } 6459 6460 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 6461 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 6462 struct ieee80211_key_conf *key) 6463 { 6464 struct ath10k *ar = hw->priv; 6465 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6466 struct ath10k_sta *arsta; 6467 struct ath10k_peer *peer; 6468 const u8 *peer_addr; 6469 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || 6470 key->cipher == WLAN_CIPHER_SUITE_WEP104; 6471 int ret = 0; 6472 int ret2; 6473 u32 flags = 0; 6474 u32 flags2; 6475 6476 /* this one needs to be done in software */ 6477 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 6478 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 6479 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 || 6480 key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256) 6481 return 1; 6482 6483 if (arvif->nohwcrypt) 6484 return 1; 6485 6486 if (key->keyidx > WMI_MAX_KEY_INDEX) 6487 return -ENOSPC; 6488 6489 mutex_lock(&ar->conf_mutex); 6490 6491 if (sta) { 6492 arsta = (struct ath10k_sta *)sta->drv_priv; 6493 peer_addr = sta->addr; 6494 spin_lock_bh(&ar->data_lock); 6495 arsta->ucast_cipher = key->cipher; 6496 spin_unlock_bh(&ar->data_lock); 6497 } else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { 6498 peer_addr = vif->bss_conf.bssid; 6499 } else { 6500 peer_addr = vif->addr; 6501 } 6502 6503 key->hw_key_idx = key->keyidx; 6504 6505 if (is_wep) { 6506 if (cmd == SET_KEY) 6507 arvif->wep_keys[key->keyidx] = key; 6508 else 6509 arvif->wep_keys[key->keyidx] = NULL; 6510 } 6511 6512 /* the peer should not disappear in mid-way (unless FW goes awry) since 6513 * we already hold conf_mutex. we just make sure its there now. 6514 */ 6515 spin_lock_bh(&ar->data_lock); 6516 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); 6517 spin_unlock_bh(&ar->data_lock); 6518 6519 if (!peer) { 6520 if (cmd == SET_KEY) { 6521 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n", 6522 peer_addr); 6523 ret = -EOPNOTSUPP; 6524 goto exit; 6525 } else { 6526 /* if the peer doesn't exist there is no key to disable anymore */ 6527 goto exit; 6528 } 6529 } 6530 6531 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 6532 flags |= WMI_KEY_PAIRWISE; 6533 else 6534 flags |= WMI_KEY_GROUP; 6535 6536 if (is_wep) { 6537 if (cmd == DISABLE_KEY) 6538 ath10k_clear_vdev_key(arvif, key); 6539 6540 /* When WEP keys are uploaded it's possible that there are 6541 * stations associated already (e.g. when merging) without any 6542 * keys. Static WEP needs an explicit per-peer key upload. 6543 */ 6544 if (vif->type == NL80211_IFTYPE_ADHOC && 6545 cmd == SET_KEY) 6546 ath10k_mac_vif_update_wep_key(arvif, key); 6547 6548 /* 802.1x never sets the def_wep_key_idx so each set_key() 6549 * call changes default tx key. 6550 * 6551 * Static WEP sets def_wep_key_idx via .set_default_unicast_key 6552 * after first set_key(). 6553 */ 6554 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1) 6555 flags |= WMI_KEY_TX_USAGE; 6556 } 6557 6558 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags); 6559 if (ret) { 6560 WARN_ON(ret > 0); 6561 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", 6562 arvif->vdev_id, peer_addr, ret); 6563 goto exit; 6564 } 6565 6566 /* mac80211 sets static WEP keys as groupwise while firmware requires 6567 * them to be installed twice as both pairwise and groupwise. 6568 */ 6569 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) { 6570 flags2 = flags; 6571 flags2 &= ~WMI_KEY_GROUP; 6572 flags2 |= WMI_KEY_PAIRWISE; 6573 6574 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2); 6575 if (ret) { 6576 WARN_ON(ret > 0); 6577 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n", 6578 arvif->vdev_id, peer_addr, ret); 6579 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY, 6580 peer_addr, flags); 6581 if (ret2) { 6582 WARN_ON(ret2 > 0); 6583 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n", 6584 arvif->vdev_id, peer_addr, ret2); 6585 } 6586 goto exit; 6587 } 6588 } 6589 6590 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key); 6591 6592 spin_lock_bh(&ar->data_lock); 6593 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); 6594 if (peer && cmd == SET_KEY) 6595 peer->keys[key->keyidx] = key; 6596 else if (peer && cmd == DISABLE_KEY) 6597 peer->keys[key->keyidx] = NULL; 6598 else if (peer == NULL) 6599 /* impossible unless FW goes crazy */ 6600 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr); 6601 spin_unlock_bh(&ar->data_lock); 6602 6603 if (sta && sta->tdls) 6604 ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6605 ar->wmi.peer_param->authorize, 1); 6606 else if (sta && cmd == SET_KEY && (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 6607 ath10k_wmi_peer_set_param(ar, arvif->vdev_id, peer_addr, 6608 ar->wmi.peer_param->authorize, 1); 6609 6610 exit: 6611 mutex_unlock(&ar->conf_mutex); 6612 return ret; 6613 } 6614 6615 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw, 6616 struct ieee80211_vif *vif, 6617 int keyidx) 6618 { 6619 struct ath10k *ar = hw->priv; 6620 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6621 int ret; 6622 6623 mutex_lock(&arvif->ar->conf_mutex); 6624 6625 if (arvif->ar->state != ATH10K_STATE_ON) 6626 goto unlock; 6627 6628 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", 6629 arvif->vdev_id, keyidx); 6630 6631 ret = ath10k_wmi_vdev_set_param(arvif->ar, 6632 arvif->vdev_id, 6633 arvif->ar->wmi.vdev_param->def_keyid, 6634 keyidx); 6635 6636 if (ret) { 6637 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", 6638 arvif->vdev_id, 6639 ret); 6640 goto unlock; 6641 } 6642 6643 arvif->def_wep_key_idx = keyidx; 6644 6645 unlock: 6646 mutex_unlock(&arvif->ar->conf_mutex); 6647 } 6648 6649 static void ath10k_sta_rc_update_wk(struct work_struct *wk) 6650 { 6651 struct ath10k *ar; 6652 struct ath10k_vif *arvif; 6653 struct ath10k_sta *arsta; 6654 struct ieee80211_sta *sta; 6655 struct cfg80211_chan_def def; 6656 enum nl80211_band band; 6657 const u8 *ht_mcs_mask; 6658 const u16 *vht_mcs_mask; 6659 u32 changed, bw, nss, smps; 6660 int err; 6661 6662 arsta = container_of(wk, struct ath10k_sta, update_wk); 6663 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 6664 arvif = arsta->arvif; 6665 ar = arvif->ar; 6666 6667 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) 6668 return; 6669 6670 band = def.chan->band; 6671 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; 6672 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; 6673 6674 spin_lock_bh(&ar->data_lock); 6675 6676 changed = arsta->changed; 6677 arsta->changed = 0; 6678 6679 bw = arsta->bw; 6680 nss = arsta->nss; 6681 smps = arsta->smps; 6682 6683 spin_unlock_bh(&ar->data_lock); 6684 6685 mutex_lock(&ar->conf_mutex); 6686 6687 nss = max_t(u32, 1, nss); 6688 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask), 6689 ath10k_mac_max_vht_nss(vht_mcs_mask))); 6690 6691 if (changed & IEEE80211_RC_BW_CHANGED) { 6692 enum wmi_phy_mode mode; 6693 6694 mode = chan_to_phymode(&def); 6695 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM peer bw %d phymode %d\n", 6696 sta->addr, bw, mode); 6697 6698 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6699 ar->wmi.peer_param->phymode, mode); 6700 if (err) { 6701 ath10k_warn(ar, "failed to update STA %pM peer phymode %d: %d\n", 6702 sta->addr, mode, err); 6703 goto exit; 6704 } 6705 6706 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6707 ar->wmi.peer_param->chan_width, bw); 6708 if (err) 6709 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n", 6710 sta->addr, bw, err); 6711 } 6712 6713 if (changed & IEEE80211_RC_NSS_CHANGED) { 6714 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM nss %d\n", 6715 sta->addr, nss); 6716 6717 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6718 ar->wmi.peer_param->nss, nss); 6719 if (err) 6720 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n", 6721 sta->addr, nss, err); 6722 } 6723 6724 if (changed & IEEE80211_RC_SMPS_CHANGED) { 6725 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM smps %d\n", 6726 sta->addr, smps); 6727 6728 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6729 ar->wmi.peer_param->smps_state, smps); 6730 if (err) 6731 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n", 6732 sta->addr, smps, err); 6733 } 6734 6735 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { 6736 ath10k_dbg(ar, ATH10K_DBG_STA, "mac update sta %pM supp rates\n", 6737 sta->addr); 6738 6739 err = ath10k_station_assoc(ar, arvif->vif, sta, true); 6740 if (err) 6741 ath10k_warn(ar, "failed to reassociate station: %pM\n", 6742 sta->addr); 6743 } 6744 6745 exit: 6746 mutex_unlock(&ar->conf_mutex); 6747 } 6748 6749 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif, 6750 struct ieee80211_sta *sta) 6751 { 6752 struct ath10k *ar = arvif->ar; 6753 6754 lockdep_assert_held(&ar->conf_mutex); 6755 6756 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 6757 return 0; 6758 6759 if (ar->num_stations >= ar->max_num_stations) 6760 return -ENOBUFS; 6761 6762 ar->num_stations++; 6763 6764 return 0; 6765 } 6766 6767 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif, 6768 struct ieee80211_sta *sta) 6769 { 6770 struct ath10k *ar = arvif->ar; 6771 6772 lockdep_assert_held(&ar->conf_mutex); 6773 6774 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) 6775 return; 6776 6777 ar->num_stations--; 6778 } 6779 6780 static int ath10k_sta_set_txpwr(struct ieee80211_hw *hw, 6781 struct ieee80211_vif *vif, 6782 struct ieee80211_sta *sta) 6783 { 6784 struct ath10k *ar = hw->priv; 6785 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6786 int ret = 0; 6787 s16 txpwr; 6788 6789 if (sta->txpwr.type == NL80211_TX_POWER_AUTOMATIC) { 6790 txpwr = 0; 6791 } else { 6792 txpwr = sta->txpwr.power; 6793 if (!txpwr) 6794 return -EINVAL; 6795 } 6796 6797 if (txpwr > ATH10K_TX_POWER_MAX_VAL || txpwr < ATH10K_TX_POWER_MIN_VAL) 6798 return -EINVAL; 6799 6800 mutex_lock(&ar->conf_mutex); 6801 6802 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 6803 ar->wmi.peer_param->use_fixed_power, txpwr); 6804 if (ret) { 6805 ath10k_warn(ar, "failed to set tx power for station ret: %d\n", 6806 ret); 6807 goto out; 6808 } 6809 6810 out: 6811 mutex_unlock(&ar->conf_mutex); 6812 return ret; 6813 } 6814 6815 struct ath10k_mac_iter_tid_conf_data { 6816 struct ieee80211_vif *curr_vif; 6817 struct ath10k *ar; 6818 bool reset_config; 6819 }; 6820 6821 static bool 6822 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar, 6823 enum nl80211_band band, 6824 const struct cfg80211_bitrate_mask *mask, 6825 int *vht_num_rates) 6826 { 6827 int num_rates = 0; 6828 int i, tmp; 6829 6830 num_rates += hweight32(mask->control[band].legacy); 6831 6832 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) 6833 num_rates += hweight8(mask->control[band].ht_mcs[i]); 6834 6835 *vht_num_rates = 0; 6836 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 6837 tmp = hweight16(mask->control[band].vht_mcs[i]); 6838 num_rates += tmp; 6839 *vht_num_rates += tmp; 6840 } 6841 6842 return num_rates == 1; 6843 } 6844 6845 static int 6846 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar, 6847 enum nl80211_band band, 6848 const struct cfg80211_bitrate_mask *mask, 6849 u8 *rate, u8 *nss, bool vht_only) 6850 { 6851 int rate_idx; 6852 int i; 6853 u16 bitrate; 6854 u8 preamble; 6855 u8 hw_rate; 6856 6857 if (vht_only) 6858 goto next; 6859 6860 if (hweight32(mask->control[band].legacy) == 1) { 6861 rate_idx = ffs(mask->control[band].legacy) - 1; 6862 6863 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) 6864 rate_idx += ATH10K_MAC_FIRST_OFDM_RATE_IDX; 6865 6866 hw_rate = ath10k_wmi_legacy_rates[rate_idx].hw_value; 6867 bitrate = ath10k_wmi_legacy_rates[rate_idx].bitrate; 6868 6869 if (ath10k_mac_bitrate_is_cck(bitrate)) 6870 preamble = WMI_RATE_PREAMBLE_CCK; 6871 else 6872 preamble = WMI_RATE_PREAMBLE_OFDM; 6873 6874 *nss = 1; 6875 *rate = preamble << 6 | 6876 (*nss - 1) << 4 | 6877 hw_rate << 0; 6878 6879 return 0; 6880 } 6881 6882 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { 6883 if (hweight8(mask->control[band].ht_mcs[i]) == 1) { 6884 *nss = i + 1; 6885 *rate = WMI_RATE_PREAMBLE_HT << 6 | 6886 (*nss - 1) << 4 | 6887 (ffs(mask->control[band].ht_mcs[i]) - 1); 6888 6889 return 0; 6890 } 6891 } 6892 6893 next: 6894 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 6895 if (hweight16(mask->control[band].vht_mcs[i]) == 1) { 6896 *nss = i + 1; 6897 *rate = WMI_RATE_PREAMBLE_VHT << 6 | 6898 (*nss - 1) << 4 | 6899 (ffs(mask->control[band].vht_mcs[i]) - 1); 6900 6901 return 0; 6902 } 6903 } 6904 6905 return -EINVAL; 6906 } 6907 6908 static int ath10k_mac_validate_rate_mask(struct ath10k *ar, 6909 struct ieee80211_sta *sta, 6910 u32 rate_ctrl_flag, u8 nss) 6911 { 6912 if (nss > sta->rx_nss) { 6913 ath10k_warn(ar, "Invalid nss field, configured %u limit %u\n", 6914 nss, sta->rx_nss); 6915 return -EINVAL; 6916 } 6917 6918 if (ATH10K_HW_PREAMBLE(rate_ctrl_flag) == WMI_RATE_PREAMBLE_VHT) { 6919 if (!sta->vht_cap.vht_supported) { 6920 ath10k_warn(ar, "Invalid VHT rate for sta %pM\n", 6921 sta->addr); 6922 return -EINVAL; 6923 } 6924 } else if (ATH10K_HW_PREAMBLE(rate_ctrl_flag) == WMI_RATE_PREAMBLE_HT) { 6925 if (!sta->ht_cap.ht_supported || sta->vht_cap.vht_supported) { 6926 ath10k_warn(ar, "Invalid HT rate for sta %pM\n", 6927 sta->addr); 6928 return -EINVAL; 6929 } 6930 } else { 6931 if (sta->ht_cap.ht_supported || sta->vht_cap.vht_supported) 6932 return -EINVAL; 6933 } 6934 6935 return 0; 6936 } 6937 6938 static int 6939 ath10k_mac_tid_bitrate_config(struct ath10k *ar, 6940 struct ieee80211_vif *vif, 6941 struct ieee80211_sta *sta, 6942 u32 *rate_ctrl_flag, u8 *rate_ctrl, 6943 enum nl80211_tx_rate_setting txrate_type, 6944 const struct cfg80211_bitrate_mask *mask) 6945 { 6946 struct cfg80211_chan_def def; 6947 enum nl80211_band band; 6948 u8 nss, rate; 6949 int vht_num_rates, ret; 6950 6951 if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) 6952 return -EINVAL; 6953 6954 if (txrate_type == NL80211_TX_RATE_AUTOMATIC) { 6955 *rate_ctrl = WMI_TID_CONFIG_RATE_CONTROL_AUTO; 6956 *rate_ctrl_flag = 0; 6957 return 0; 6958 } 6959 6960 band = def.chan->band; 6961 6962 if (!ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask, 6963 &vht_num_rates)) { 6964 return -EINVAL; 6965 } 6966 6967 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, 6968 &rate, &nss, false); 6969 if (ret) { 6970 ath10k_warn(ar, "failed to get single rate: %d\n", 6971 ret); 6972 return ret; 6973 } 6974 6975 *rate_ctrl_flag = rate; 6976 6977 if (sta && ath10k_mac_validate_rate_mask(ar, sta, *rate_ctrl_flag, nss)) 6978 return -EINVAL; 6979 6980 if (txrate_type == NL80211_TX_RATE_FIXED) 6981 *rate_ctrl = WMI_TID_CONFIG_RATE_CONTROL_FIXED_RATE; 6982 else if (txrate_type == NL80211_TX_RATE_LIMITED && 6983 (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT, 6984 ar->wmi.svc_map))) 6985 *rate_ctrl = WMI_PEER_TID_CONFIG_RATE_UPPER_CAP; 6986 else 6987 return -EOPNOTSUPP; 6988 6989 return 0; 6990 } 6991 6992 static int ath10k_mac_set_tid_config(struct ath10k *ar, struct ieee80211_sta *sta, 6993 struct ieee80211_vif *vif, u32 changed, 6994 struct wmi_per_peer_per_tid_cfg_arg *arg) 6995 { 6996 struct ath10k_vif *arvif = (void *)vif->drv_priv; 6997 struct ath10k_sta *arsta; 6998 int ret; 6999 7000 if (sta) { 7001 if (!sta->wme) 7002 return -ENOTSUPP; 7003 7004 arsta = (struct ath10k_sta *)sta->drv_priv; 7005 7006 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7007 if ((arsta->retry_long[arg->tid] > 0 || 7008 arsta->rate_code[arg->tid] > 0 || 7009 arsta->ampdu[arg->tid] == 7010 WMI_TID_CONFIG_AGGR_CONTROL_ENABLE) && 7011 arg->ack_policy == WMI_PEER_TID_CONFIG_NOACK) { 7012 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_NOACK); 7013 arg->ack_policy = 0; 7014 arg->aggr_control = 0; 7015 arg->rate_ctrl = 0; 7016 arg->rcode_flags = 0; 7017 } 7018 } 7019 7020 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7021 if (arsta->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK || 7022 arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) { 7023 arg->aggr_control = 0; 7024 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG); 7025 } 7026 } 7027 7028 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7029 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7030 if (arsta->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK || 7031 arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) { 7032 arg->rate_ctrl = 0; 7033 arg->rcode_flags = 0; 7034 } 7035 } 7036 7037 ether_addr_copy(arg->peer_macaddr.addr, sta->addr); 7038 7039 ret = ath10k_wmi_set_per_peer_per_tid_cfg(ar, arg); 7040 if (ret) 7041 return ret; 7042 7043 /* Store the configured parameters in success case */ 7044 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7045 arsta->noack[arg->tid] = arg->ack_policy; 7046 arg->ack_policy = 0; 7047 arg->aggr_control = 0; 7048 arg->rate_ctrl = 0; 7049 arg->rcode_flags = 0; 7050 } 7051 7052 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) { 7053 arsta->retry_long[arg->tid] = arg->retry_count; 7054 arg->retry_count = 0; 7055 } 7056 7057 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7058 arsta->ampdu[arg->tid] = arg->aggr_control; 7059 arg->aggr_control = 0; 7060 } 7061 7062 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7063 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7064 arsta->rate_ctrl[arg->tid] = arg->rate_ctrl; 7065 arg->rate_ctrl = 0; 7066 arg->rcode_flags = 0; 7067 } 7068 7069 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7070 arsta->rtscts[arg->tid] = arg->rtscts_ctrl; 7071 arg->ext_tid_cfg_bitmap = 0; 7072 } 7073 } else { 7074 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7075 if ((arvif->retry_long[arg->tid] || 7076 arvif->rate_code[arg->tid] || 7077 arvif->ampdu[arg->tid] == 7078 WMI_TID_CONFIG_AGGR_CONTROL_ENABLE) && 7079 arg->ack_policy == WMI_PEER_TID_CONFIG_NOACK) { 7080 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_NOACK); 7081 } else { 7082 arvif->noack[arg->tid] = arg->ack_policy; 7083 arvif->ampdu[arg->tid] = arg->aggr_control; 7084 arvif->rate_ctrl[arg->tid] = arg->rate_ctrl; 7085 } 7086 } 7087 7088 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) { 7089 if (arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) 7090 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG); 7091 else 7092 arvif->retry_long[arg->tid] = arg->retry_count; 7093 } 7094 7095 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7096 if (arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) 7097 changed &= ~BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); 7098 else 7099 arvif->ampdu[arg->tid] = arg->aggr_control; 7100 } 7101 7102 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7103 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7104 if (arvif->noack[arg->tid] == WMI_PEER_TID_CONFIG_NOACK) { 7105 changed &= ~(BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7106 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE)); 7107 } else { 7108 arvif->rate_ctrl[arg->tid] = arg->rate_ctrl; 7109 arvif->rate_code[arg->tid] = arg->rcode_flags; 7110 } 7111 } 7112 7113 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7114 arvif->rtscts[arg->tid] = arg->rtscts_ctrl; 7115 arg->ext_tid_cfg_bitmap = 0; 7116 } 7117 7118 if (changed) 7119 arvif->tid_conf_changed[arg->tid] |= changed; 7120 } 7121 7122 return 0; 7123 } 7124 7125 static int 7126 ath10k_mac_parse_tid_config(struct ath10k *ar, 7127 struct ieee80211_sta *sta, 7128 struct ieee80211_vif *vif, 7129 struct cfg80211_tid_cfg *tid_conf, 7130 struct wmi_per_peer_per_tid_cfg_arg *arg) 7131 { 7132 u32 changed = tid_conf->mask; 7133 int ret = 0, i = 0; 7134 7135 if (!changed) 7136 return -EINVAL; 7137 7138 while (i < ATH10K_TID_MAX) { 7139 if (!(tid_conf->tids & BIT(i))) { 7140 i++; 7141 continue; 7142 } 7143 7144 arg->tid = i; 7145 7146 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7147 if (tid_conf->noack == NL80211_TID_CONFIG_ENABLE) { 7148 arg->ack_policy = WMI_PEER_TID_CONFIG_NOACK; 7149 arg->rate_ctrl = 7150 WMI_TID_CONFIG_RATE_CONTROL_DEFAULT_LOWEST_RATE; 7151 arg->aggr_control = 7152 WMI_TID_CONFIG_AGGR_CONTROL_DISABLE; 7153 } else { 7154 arg->ack_policy = 7155 WMI_PEER_TID_CONFIG_ACK; 7156 arg->rate_ctrl = 7157 WMI_TID_CONFIG_RATE_CONTROL_AUTO; 7158 arg->aggr_control = 7159 WMI_TID_CONFIG_AGGR_CONTROL_ENABLE; 7160 } 7161 } 7162 7163 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) 7164 arg->retry_count = tid_conf->retry_long; 7165 7166 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7167 if (tid_conf->noack == NL80211_TID_CONFIG_ENABLE) 7168 arg->aggr_control = WMI_TID_CONFIG_AGGR_CONTROL_ENABLE; 7169 else 7170 arg->aggr_control = WMI_TID_CONFIG_AGGR_CONTROL_DISABLE; 7171 } 7172 7173 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7174 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7175 ret = ath10k_mac_tid_bitrate_config(ar, vif, sta, 7176 &arg->rcode_flags, 7177 &arg->rate_ctrl, 7178 tid_conf->txrate_type, 7179 &tid_conf->txrate_mask); 7180 if (ret) { 7181 ath10k_warn(ar, "failed to configure bitrate mask %d\n", 7182 ret); 7183 arg->rcode_flags = 0; 7184 arg->rate_ctrl = 0; 7185 } 7186 } 7187 7188 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7189 if (tid_conf->rtscts) 7190 arg->rtscts_ctrl = tid_conf->rtscts; 7191 7192 arg->ext_tid_cfg_bitmap = WMI_EXT_TID_RTS_CTS_CONFIG; 7193 } 7194 7195 ret = ath10k_mac_set_tid_config(ar, sta, vif, changed, arg); 7196 if (ret) 7197 return ret; 7198 i++; 7199 } 7200 7201 return ret; 7202 } 7203 7204 static int ath10k_mac_reset_tid_config(struct ath10k *ar, 7205 struct ieee80211_sta *sta, 7206 struct ath10k_vif *arvif, 7207 u8 tids) 7208 { 7209 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 7210 struct wmi_per_peer_per_tid_cfg_arg arg; 7211 int ret = 0, i = 0; 7212 7213 arg.vdev_id = arvif->vdev_id; 7214 while (i < ATH10K_TID_MAX) { 7215 if (!(tids & BIT(i))) { 7216 i++; 7217 continue; 7218 } 7219 7220 arg.tid = i; 7221 arg.ack_policy = WMI_PEER_TID_CONFIG_ACK; 7222 arg.retry_count = ATH10K_MAX_RETRY_COUNT; 7223 arg.rate_ctrl = WMI_TID_CONFIG_RATE_CONTROL_AUTO; 7224 arg.aggr_control = WMI_TID_CONFIG_AGGR_CONTROL_ENABLE; 7225 arg.rtscts_ctrl = WMI_TID_CONFIG_RTSCTS_CONTROL_ENABLE; 7226 arg.ext_tid_cfg_bitmap = WMI_EXT_TID_RTS_CTS_CONFIG; 7227 7228 ether_addr_copy(arg.peer_macaddr.addr, sta->addr); 7229 7230 ret = ath10k_wmi_set_per_peer_per_tid_cfg(ar, &arg); 7231 if (ret) 7232 return ret; 7233 7234 if (!arvif->tids_rst) { 7235 arsta->retry_long[i] = -1; 7236 arsta->noack[i] = -1; 7237 arsta->ampdu[i] = -1; 7238 arsta->rate_code[i] = -1; 7239 arsta->rate_ctrl[i] = 0; 7240 arsta->rtscts[i] = -1; 7241 } else { 7242 arvif->retry_long[i] = 0; 7243 arvif->noack[i] = 0; 7244 arvif->ampdu[i] = 0; 7245 arvif->rate_code[i] = 0; 7246 arvif->rate_ctrl[i] = 0; 7247 arvif->rtscts[i] = 0; 7248 } 7249 7250 i++; 7251 } 7252 7253 return ret; 7254 } 7255 7256 static void ath10k_sta_tid_cfg_wk(struct work_struct *wk) 7257 { 7258 struct wmi_per_peer_per_tid_cfg_arg arg = {}; 7259 struct ieee80211_sta *sta; 7260 struct ath10k_sta *arsta; 7261 struct ath10k_vif *arvif; 7262 struct ath10k *ar; 7263 bool config_apply; 7264 int ret, i; 7265 u32 changed; 7266 u8 nss; 7267 7268 arsta = container_of(wk, struct ath10k_sta, tid_config_wk); 7269 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); 7270 arvif = arsta->arvif; 7271 ar = arvif->ar; 7272 7273 mutex_lock(&ar->conf_mutex); 7274 7275 if (arvif->tids_rst) { 7276 ret = ath10k_mac_reset_tid_config(ar, sta, arvif, 7277 arvif->tids_rst); 7278 goto exit; 7279 } 7280 7281 ether_addr_copy(arg.peer_macaddr.addr, sta->addr); 7282 7283 for (i = 0; i < ATH10K_TID_MAX; i++) { 7284 config_apply = false; 7285 changed = arvif->tid_conf_changed[i]; 7286 7287 if (changed & BIT(NL80211_TID_CONFIG_ATTR_NOACK)) { 7288 if (arsta->noack[i] != -1) { 7289 arg.ack_policy = 0; 7290 } else { 7291 config_apply = true; 7292 arg.ack_policy = arvif->noack[i]; 7293 arg.aggr_control = arvif->ampdu[i]; 7294 arg.rate_ctrl = arvif->rate_ctrl[i]; 7295 } 7296 } 7297 7298 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG)) { 7299 if (arsta->retry_long[i] != -1 || 7300 arsta->noack[i] == WMI_PEER_TID_CONFIG_NOACK || 7301 arvif->noack[i] == WMI_PEER_TID_CONFIG_NOACK) { 7302 arg.retry_count = 0; 7303 } else { 7304 arg.retry_count = arvif->retry_long[i]; 7305 config_apply = true; 7306 } 7307 } 7308 7309 if (changed & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 7310 if (arsta->ampdu[i] != -1 || 7311 arsta->noack[i] == WMI_PEER_TID_CONFIG_NOACK || 7312 arvif->noack[i] == WMI_PEER_TID_CONFIG_NOACK) { 7313 arg.aggr_control = 0; 7314 } else { 7315 arg.aggr_control = arvif->ampdu[i]; 7316 config_apply = true; 7317 } 7318 } 7319 7320 if (changed & (BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 7321 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE))) { 7322 nss = ATH10K_HW_NSS(arvif->rate_code[i]); 7323 ret = ath10k_mac_validate_rate_mask(ar, sta, 7324 arvif->rate_code[i], 7325 nss); 7326 if (ret && 7327 arvif->rate_ctrl[i] > WMI_TID_CONFIG_RATE_CONTROL_AUTO) { 7328 arg.rate_ctrl = 0; 7329 arg.rcode_flags = 0; 7330 } 7331 7332 if (arsta->rate_ctrl[i] > 7333 WMI_TID_CONFIG_RATE_CONTROL_AUTO || 7334 arsta->noack[i] == WMI_PEER_TID_CONFIG_NOACK || 7335 arvif->noack[i] == WMI_PEER_TID_CONFIG_NOACK) { 7336 arg.rate_ctrl = 0; 7337 arg.rcode_flags = 0; 7338 } else { 7339 arg.rate_ctrl = arvif->rate_ctrl[i]; 7340 arg.rcode_flags = arvif->rate_code[i]; 7341 config_apply = true; 7342 } 7343 } 7344 7345 if (changed & BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL)) { 7346 if (arsta->rtscts[i]) { 7347 arg.rtscts_ctrl = 0; 7348 arg.ext_tid_cfg_bitmap = 0; 7349 } else { 7350 arg.rtscts_ctrl = arvif->rtscts[i] - 1; 7351 arg.ext_tid_cfg_bitmap = 7352 WMI_EXT_TID_RTS_CTS_CONFIG; 7353 config_apply = true; 7354 } 7355 } 7356 7357 arg.tid = i; 7358 7359 if (config_apply) { 7360 ret = ath10k_wmi_set_per_peer_per_tid_cfg(ar, &arg); 7361 if (ret) 7362 ath10k_warn(ar, "failed to set per tid config for sta %pM: %d\n", 7363 sta->addr, ret); 7364 } 7365 7366 arg.ack_policy = 0; 7367 arg.retry_count = 0; 7368 arg.aggr_control = 0; 7369 arg.rate_ctrl = 0; 7370 arg.rcode_flags = 0; 7371 } 7372 7373 exit: 7374 mutex_unlock(&ar->conf_mutex); 7375 } 7376 7377 static void ath10k_mac_vif_stations_tid_conf(void *data, 7378 struct ieee80211_sta *sta) 7379 { 7380 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 7381 struct ath10k_mac_iter_tid_conf_data *iter_data = data; 7382 struct ieee80211_vif *sta_vif = arsta->arvif->vif; 7383 7384 if (sta_vif != iter_data->curr_vif || !sta->wme) 7385 return; 7386 7387 ieee80211_queue_work(iter_data->ar->hw, &arsta->tid_config_wk); 7388 } 7389 7390 static int ath10k_sta_state(struct ieee80211_hw *hw, 7391 struct ieee80211_vif *vif, 7392 struct ieee80211_sta *sta, 7393 enum ieee80211_sta_state old_state, 7394 enum ieee80211_sta_state new_state) 7395 { 7396 struct ath10k *ar = hw->priv; 7397 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7398 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 7399 struct ath10k_peer *peer; 7400 int ret = 0; 7401 int i; 7402 7403 if (old_state == IEEE80211_STA_NOTEXIST && 7404 new_state == IEEE80211_STA_NONE) { 7405 memset(arsta, 0, sizeof(*arsta)); 7406 arsta->arvif = arvif; 7407 arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED; 7408 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk); 7409 INIT_WORK(&arsta->tid_config_wk, ath10k_sta_tid_cfg_wk); 7410 7411 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 7412 ath10k_mac_txq_init(sta->txq[i]); 7413 } 7414 7415 /* cancel must be done outside the mutex to avoid deadlock */ 7416 if ((old_state == IEEE80211_STA_NONE && 7417 new_state == IEEE80211_STA_NOTEXIST)) { 7418 cancel_work_sync(&arsta->update_wk); 7419 cancel_work_sync(&arsta->tid_config_wk); 7420 } 7421 7422 mutex_lock(&ar->conf_mutex); 7423 7424 if (old_state == IEEE80211_STA_NOTEXIST && 7425 new_state == IEEE80211_STA_NONE) { 7426 /* 7427 * New station addition. 7428 */ 7429 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT; 7430 u32 num_tdls_stations; 7431 7432 ath10k_dbg(ar, ATH10K_DBG_STA, 7433 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n", 7434 arvif->vdev_id, sta->addr, 7435 ar->num_stations + 1, ar->max_num_stations, 7436 ar->num_peers + 1, ar->max_num_peers); 7437 7438 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif); 7439 7440 if (sta->tdls) { 7441 if (num_tdls_stations >= ar->max_num_tdls_vdevs) { 7442 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n", 7443 arvif->vdev_id, 7444 ar->max_num_tdls_vdevs); 7445 ret = -ELNRNG; 7446 goto exit; 7447 } 7448 peer_type = WMI_PEER_TYPE_TDLS; 7449 } 7450 7451 ret = ath10k_mac_inc_num_stations(arvif, sta); 7452 if (ret) { 7453 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n", 7454 ar->max_num_stations); 7455 goto exit; 7456 } 7457 7458 if (ath10k_debug_is_extd_tx_stats_enabled(ar)) { 7459 arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), 7460 GFP_KERNEL); 7461 if (!arsta->tx_stats) { 7462 ath10k_mac_dec_num_stations(arvif, sta); 7463 ret = -ENOMEM; 7464 goto exit; 7465 } 7466 } 7467 7468 ret = ath10k_peer_create(ar, vif, sta, arvif->vdev_id, 7469 sta->addr, peer_type); 7470 if (ret) { 7471 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", 7472 sta->addr, arvif->vdev_id, ret); 7473 ath10k_mac_dec_num_stations(arvif, sta); 7474 kfree(arsta->tx_stats); 7475 goto exit; 7476 } 7477 7478 spin_lock_bh(&ar->data_lock); 7479 7480 peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr); 7481 if (!peer) { 7482 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", 7483 vif->addr, arvif->vdev_id); 7484 spin_unlock_bh(&ar->data_lock); 7485 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); 7486 ath10k_mac_dec_num_stations(arvif, sta); 7487 kfree(arsta->tx_stats); 7488 ret = -ENOENT; 7489 goto exit; 7490 } 7491 7492 arsta->peer_id = find_first_bit(peer->peer_ids, 7493 ATH10K_MAX_NUM_PEER_IDS); 7494 7495 spin_unlock_bh(&ar->data_lock); 7496 7497 if (!sta->tdls) 7498 goto exit; 7499 7500 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, 7501 WMI_TDLS_ENABLE_ACTIVE); 7502 if (ret) { 7503 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", 7504 arvif->vdev_id, ret); 7505 ath10k_peer_delete(ar, arvif->vdev_id, 7506 sta->addr); 7507 ath10k_mac_dec_num_stations(arvif, sta); 7508 kfree(arsta->tx_stats); 7509 goto exit; 7510 } 7511 7512 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, 7513 WMI_TDLS_PEER_STATE_PEERING); 7514 if (ret) { 7515 ath10k_warn(ar, 7516 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n", 7517 sta->addr, arvif->vdev_id, ret); 7518 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); 7519 ath10k_mac_dec_num_stations(arvif, sta); 7520 kfree(arsta->tx_stats); 7521 7522 if (num_tdls_stations != 0) 7523 goto exit; 7524 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, 7525 WMI_TDLS_DISABLE); 7526 } 7527 } else if ((old_state == IEEE80211_STA_NONE && 7528 new_state == IEEE80211_STA_NOTEXIST)) { 7529 /* 7530 * Existing station deletion. 7531 */ 7532 ath10k_dbg(ar, ATH10K_DBG_STA, 7533 "mac vdev %d peer delete %pM sta %pK (sta gone)\n", 7534 arvif->vdev_id, sta->addr, sta); 7535 7536 if (sta->tdls) { 7537 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, 7538 sta, 7539 WMI_TDLS_PEER_STATE_TEARDOWN); 7540 if (ret) 7541 ath10k_warn(ar, "failed to update tdls peer state for %pM state %d: %i\n", 7542 sta->addr, 7543 WMI_TDLS_PEER_STATE_TEARDOWN, ret); 7544 } 7545 7546 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); 7547 if (ret) 7548 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", 7549 sta->addr, arvif->vdev_id, ret); 7550 7551 ath10k_mac_dec_num_stations(arvif, sta); 7552 7553 spin_lock_bh(&ar->data_lock); 7554 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { 7555 peer = ar->peer_map[i]; 7556 if (!peer) 7557 continue; 7558 7559 if (peer->sta == sta) { 7560 ath10k_warn(ar, "found sta peer %pM (ptr %pK id %d) entry on vdev %i after it was supposedly removed\n", 7561 sta->addr, peer, i, arvif->vdev_id); 7562 peer->sta = NULL; 7563 7564 /* Clean up the peer object as well since we 7565 * must have failed to do this above. 7566 */ 7567 list_del(&peer->list); 7568 ar->peer_map[i] = NULL; 7569 kfree(peer); 7570 ar->num_peers--; 7571 } 7572 } 7573 spin_unlock_bh(&ar->data_lock); 7574 7575 if (ath10k_debug_is_extd_tx_stats_enabled(ar)) { 7576 kfree(arsta->tx_stats); 7577 arsta->tx_stats = NULL; 7578 } 7579 7580 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 7581 ath10k_mac_txq_unref(ar, sta->txq[i]); 7582 7583 if (!sta->tdls) 7584 goto exit; 7585 7586 if (ath10k_mac_tdls_vif_stations_count(hw, vif)) 7587 goto exit; 7588 7589 /* This was the last tdls peer in current vif */ 7590 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, 7591 WMI_TDLS_DISABLE); 7592 if (ret) { 7593 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", 7594 arvif->vdev_id, ret); 7595 } 7596 } else if (old_state == IEEE80211_STA_AUTH && 7597 new_state == IEEE80211_STA_ASSOC && 7598 (vif->type == NL80211_IFTYPE_AP || 7599 vif->type == NL80211_IFTYPE_MESH_POINT || 7600 vif->type == NL80211_IFTYPE_ADHOC)) { 7601 /* 7602 * New association. 7603 */ 7604 ath10k_dbg(ar, ATH10K_DBG_STA, "mac sta %pM associated\n", 7605 sta->addr); 7606 7607 ret = ath10k_station_assoc(ar, vif, sta, false); 7608 if (ret) 7609 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", 7610 sta->addr, arvif->vdev_id, ret); 7611 } else if (old_state == IEEE80211_STA_ASSOC && 7612 new_state == IEEE80211_STA_AUTHORIZED && 7613 sta->tdls) { 7614 /* 7615 * Tdls station authorized. 7616 */ 7617 ath10k_dbg(ar, ATH10K_DBG_STA, "mac tdls sta %pM authorized\n", 7618 sta->addr); 7619 7620 ret = ath10k_station_assoc(ar, vif, sta, false); 7621 if (ret) { 7622 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n", 7623 sta->addr, arvif->vdev_id, ret); 7624 goto exit; 7625 } 7626 7627 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, 7628 WMI_TDLS_PEER_STATE_CONNECTED); 7629 if (ret) 7630 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n", 7631 sta->addr, arvif->vdev_id, ret); 7632 } else if (old_state == IEEE80211_STA_ASSOC && 7633 new_state == IEEE80211_STA_AUTH && 7634 (vif->type == NL80211_IFTYPE_AP || 7635 vif->type == NL80211_IFTYPE_MESH_POINT || 7636 vif->type == NL80211_IFTYPE_ADHOC)) { 7637 /* 7638 * Disassociation. 7639 */ 7640 ath10k_dbg(ar, ATH10K_DBG_STA, "mac sta %pM disassociated\n", 7641 sta->addr); 7642 7643 ret = ath10k_station_disassoc(ar, vif, sta); 7644 if (ret) 7645 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", 7646 sta->addr, arvif->vdev_id, ret); 7647 } 7648 exit: 7649 mutex_unlock(&ar->conf_mutex); 7650 return ret; 7651 } 7652 7653 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, 7654 u16 ac, bool enable) 7655 { 7656 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7657 struct wmi_sta_uapsd_auto_trig_arg arg = {}; 7658 u32 prio = 0, acc = 0; 7659 u32 value = 0; 7660 int ret = 0; 7661 7662 lockdep_assert_held(&ar->conf_mutex); 7663 7664 if (arvif->vdev_type != WMI_VDEV_TYPE_STA) 7665 return 0; 7666 7667 switch (ac) { 7668 case IEEE80211_AC_VO: 7669 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | 7670 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; 7671 prio = 7; 7672 acc = 3; 7673 break; 7674 case IEEE80211_AC_VI: 7675 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | 7676 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; 7677 prio = 5; 7678 acc = 2; 7679 break; 7680 case IEEE80211_AC_BE: 7681 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | 7682 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; 7683 prio = 2; 7684 acc = 1; 7685 break; 7686 case IEEE80211_AC_BK: 7687 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | 7688 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; 7689 prio = 0; 7690 acc = 0; 7691 break; 7692 } 7693 7694 if (enable) 7695 arvif->u.sta.uapsd |= value; 7696 else 7697 arvif->u.sta.uapsd &= ~value; 7698 7699 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 7700 WMI_STA_PS_PARAM_UAPSD, 7701 arvif->u.sta.uapsd); 7702 if (ret) { 7703 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret); 7704 goto exit; 7705 } 7706 7707 if (arvif->u.sta.uapsd) 7708 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; 7709 else 7710 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; 7711 7712 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, 7713 WMI_STA_PS_PARAM_RX_WAKE_POLICY, 7714 value); 7715 if (ret) 7716 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret); 7717 7718 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); 7719 if (ret) { 7720 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", 7721 arvif->vdev_id, ret); 7722 return ret; 7723 } 7724 7725 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); 7726 if (ret) { 7727 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", 7728 arvif->vdev_id, ret); 7729 return ret; 7730 } 7731 7732 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) || 7733 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) { 7734 /* Only userspace can make an educated decision when to send 7735 * trigger frame. The following effectively disables u-UAPSD 7736 * autotrigger in firmware (which is enabled by default 7737 * provided the autotrigger service is available). 7738 */ 7739 7740 arg.wmm_ac = acc; 7741 arg.user_priority = prio; 7742 arg.service_interval = 0; 7743 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; 7744 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; 7745 7746 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id, 7747 arvif->bssid, &arg, 1); 7748 if (ret) { 7749 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n", 7750 ret); 7751 return ret; 7752 } 7753 } 7754 7755 exit: 7756 return ret; 7757 } 7758 7759 static int ath10k_conf_tx(struct ieee80211_hw *hw, 7760 struct ieee80211_vif *vif, u16 ac, 7761 const struct ieee80211_tx_queue_params *params) 7762 { 7763 struct ath10k *ar = hw->priv; 7764 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7765 struct wmi_wmm_params_arg *p = NULL; 7766 int ret; 7767 7768 mutex_lock(&ar->conf_mutex); 7769 7770 switch (ac) { 7771 case IEEE80211_AC_VO: 7772 p = &arvif->wmm_params.ac_vo; 7773 break; 7774 case IEEE80211_AC_VI: 7775 p = &arvif->wmm_params.ac_vi; 7776 break; 7777 case IEEE80211_AC_BE: 7778 p = &arvif->wmm_params.ac_be; 7779 break; 7780 case IEEE80211_AC_BK: 7781 p = &arvif->wmm_params.ac_bk; 7782 break; 7783 } 7784 7785 if (WARN_ON(!p)) { 7786 ret = -EINVAL; 7787 goto exit; 7788 } 7789 7790 p->cwmin = params->cw_min; 7791 p->cwmax = params->cw_max; 7792 p->aifs = params->aifs; 7793 7794 /* 7795 * The channel time duration programmed in the HW is in absolute 7796 * microseconds, while mac80211 gives the txop in units of 7797 * 32 microseconds. 7798 */ 7799 p->txop = params->txop * 32; 7800 7801 if (ar->wmi.ops->gen_vdev_wmm_conf) { 7802 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id, 7803 &arvif->wmm_params); 7804 if (ret) { 7805 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n", 7806 arvif->vdev_id, ret); 7807 goto exit; 7808 } 7809 } else { 7810 /* This won't work well with multi-interface cases but it's 7811 * better than nothing. 7812 */ 7813 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params); 7814 if (ret) { 7815 ath10k_warn(ar, "failed to set wmm params: %d\n", ret); 7816 goto exit; 7817 } 7818 } 7819 7820 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); 7821 if (ret) 7822 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret); 7823 7824 exit: 7825 mutex_unlock(&ar->conf_mutex); 7826 return ret; 7827 } 7828 7829 static int ath10k_remain_on_channel(struct ieee80211_hw *hw, 7830 struct ieee80211_vif *vif, 7831 struct ieee80211_channel *chan, 7832 int duration, 7833 enum ieee80211_roc_type type) 7834 { 7835 struct ath10k *ar = hw->priv; 7836 struct ath10k_vif *arvif = (void *)vif->drv_priv; 7837 struct wmi_start_scan_arg arg; 7838 int ret = 0; 7839 u32 scan_time_msec; 7840 7841 mutex_lock(&ar->conf_mutex); 7842 7843 if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) { 7844 ret = -EBUSY; 7845 goto exit; 7846 } 7847 7848 spin_lock_bh(&ar->data_lock); 7849 switch (ar->scan.state) { 7850 case ATH10K_SCAN_IDLE: 7851 reinit_completion(&ar->scan.started); 7852 reinit_completion(&ar->scan.completed); 7853 reinit_completion(&ar->scan.on_channel); 7854 ar->scan.state = ATH10K_SCAN_STARTING; 7855 ar->scan.is_roc = true; 7856 ar->scan.vdev_id = arvif->vdev_id; 7857 ar->scan.roc_freq = chan->center_freq; 7858 ar->scan.roc_notify = true; 7859 ret = 0; 7860 break; 7861 case ATH10K_SCAN_STARTING: 7862 case ATH10K_SCAN_RUNNING: 7863 case ATH10K_SCAN_ABORTING: 7864 ret = -EBUSY; 7865 break; 7866 } 7867 spin_unlock_bh(&ar->data_lock); 7868 7869 if (ret) 7870 goto exit; 7871 7872 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2; 7873 7874 memset(&arg, 0, sizeof(arg)); 7875 ath10k_wmi_start_scan_init(ar, &arg); 7876 arg.vdev_id = arvif->vdev_id; 7877 arg.scan_id = ATH10K_SCAN_ID; 7878 arg.n_channels = 1; 7879 arg.channels[0] = chan->center_freq; 7880 arg.dwell_time_active = scan_time_msec; 7881 arg.dwell_time_passive = scan_time_msec; 7882 arg.max_scan_time = scan_time_msec; 7883 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; 7884 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; 7885 arg.burst_duration_ms = duration; 7886 7887 ret = ath10k_start_scan(ar, &arg); 7888 if (ret) { 7889 ath10k_warn(ar, "failed to start roc scan: %d\n", ret); 7890 spin_lock_bh(&ar->data_lock); 7891 ar->scan.state = ATH10K_SCAN_IDLE; 7892 spin_unlock_bh(&ar->data_lock); 7893 goto exit; 7894 } 7895 7896 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3 * HZ); 7897 if (ret == 0) { 7898 ath10k_warn(ar, "failed to switch to channel for roc scan\n"); 7899 7900 ret = ath10k_scan_stop(ar); 7901 if (ret) 7902 ath10k_warn(ar, "failed to stop scan: %d\n", ret); 7903 7904 ret = -ETIMEDOUT; 7905 goto exit; 7906 } 7907 7908 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, 7909 msecs_to_jiffies(duration)); 7910 7911 ret = 0; 7912 exit: 7913 mutex_unlock(&ar->conf_mutex); 7914 return ret; 7915 } 7916 7917 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw, 7918 struct ieee80211_vif *vif) 7919 { 7920 struct ath10k *ar = hw->priv; 7921 7922 mutex_lock(&ar->conf_mutex); 7923 7924 spin_lock_bh(&ar->data_lock); 7925 ar->scan.roc_notify = false; 7926 spin_unlock_bh(&ar->data_lock); 7927 7928 ath10k_scan_abort(ar); 7929 7930 mutex_unlock(&ar->conf_mutex); 7931 7932 cancel_delayed_work_sync(&ar->scan.timeout); 7933 7934 return 0; 7935 } 7936 7937 /* 7938 * Both RTS and Fragmentation threshold are interface-specific 7939 * in ath10k, but device-specific in mac80211. 7940 */ 7941 7942 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 7943 { 7944 struct ath10k *ar = hw->priv; 7945 struct ath10k_vif *arvif; 7946 int ret = 0; 7947 7948 mutex_lock(&ar->conf_mutex); 7949 list_for_each_entry(arvif, &ar->arvifs, list) { 7950 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n", 7951 arvif->vdev_id, value); 7952 7953 ret = ath10k_mac_set_rts(arvif, value); 7954 if (ret) { 7955 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", 7956 arvif->vdev_id, ret); 7957 break; 7958 } 7959 } 7960 mutex_unlock(&ar->conf_mutex); 7961 7962 return ret; 7963 } 7964 7965 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) 7966 { 7967 /* Even though there's a WMI enum for fragmentation threshold no known 7968 * firmware actually implements it. Moreover it is not possible to rely 7969 * frame fragmentation to mac80211 because firmware clears the "more 7970 * fragments" bit in frame control making it impossible for remote 7971 * devices to reassemble frames. 7972 * 7973 * Hence implement a dummy callback just to say fragmentation isn't 7974 * supported. This effectively prevents mac80211 from doing frame 7975 * fragmentation in software. 7976 */ 7977 return -EOPNOTSUPP; 7978 } 7979 7980 void ath10k_mac_wait_tx_complete(struct ath10k *ar) 7981 { 7982 bool skip; 7983 long time_left; 7984 7985 /* mac80211 doesn't care if we really xmit queued frames or not 7986 * we'll collect those frames either way if we stop/delete vdevs 7987 */ 7988 7989 if (ar->state == ATH10K_STATE_WEDGED) 7990 return; 7991 7992 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({ 7993 bool empty; 7994 7995 spin_lock_bh(&ar->htt.tx_lock); 7996 empty = (ar->htt.num_pending_tx == 0); 7997 spin_unlock_bh(&ar->htt.tx_lock); 7998 7999 skip = (ar->state == ATH10K_STATE_WEDGED) || 8000 test_bit(ATH10K_FLAG_CRASH_FLUSH, 8001 &ar->dev_flags); 8002 8003 (empty || skip); 8004 }), ATH10K_FLUSH_TIMEOUT_HZ); 8005 8006 if (time_left == 0 || skip) 8007 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n", 8008 skip, ar->state, time_left); 8009 } 8010 8011 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 8012 u32 queues, bool drop) 8013 { 8014 struct ath10k *ar = hw->priv; 8015 struct ath10k_vif *arvif; 8016 u32 bitmap; 8017 8018 if (drop) { 8019 if (vif && vif->type == NL80211_IFTYPE_STATION) { 8020 bitmap = ~(1 << WMI_MGMT_TID); 8021 list_for_each_entry(arvif, &ar->arvifs, list) { 8022 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) 8023 ath10k_wmi_peer_flush(ar, arvif->vdev_id, 8024 arvif->bssid, bitmap); 8025 } 8026 ath10k_htt_flush_tx(&ar->htt); 8027 } 8028 return; 8029 } 8030 8031 mutex_lock(&ar->conf_mutex); 8032 ath10k_mac_wait_tx_complete(ar); 8033 mutex_unlock(&ar->conf_mutex); 8034 } 8035 8036 /* TODO: Implement this function properly 8037 * For now it is needed to reply to Probe Requests in IBSS mode. 8038 * Propably we need this information from FW. 8039 */ 8040 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) 8041 { 8042 return 1; 8043 } 8044 8045 static void ath10k_reconfig_complete(struct ieee80211_hw *hw, 8046 enum ieee80211_reconfig_type reconfig_type) 8047 { 8048 struct ath10k *ar = hw->priv; 8049 8050 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) 8051 return; 8052 8053 mutex_lock(&ar->conf_mutex); 8054 8055 /* If device failed to restart it will be in a different state, e.g. 8056 * ATH10K_STATE_WEDGED 8057 */ 8058 if (ar->state == ATH10K_STATE_RESTARTED) { 8059 ath10k_info(ar, "device successfully recovered\n"); 8060 ar->state = ATH10K_STATE_ON; 8061 ieee80211_wake_queues(ar->hw); 8062 clear_bit(ATH10K_FLAG_RESTARTING, &ar->dev_flags); 8063 } 8064 8065 mutex_unlock(&ar->conf_mutex); 8066 } 8067 8068 static void 8069 ath10k_mac_update_bss_chan_survey(struct ath10k *ar, 8070 struct ieee80211_channel *channel) 8071 { 8072 int ret; 8073 enum wmi_bss_survey_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ; 8074 8075 lockdep_assert_held(&ar->conf_mutex); 8076 8077 if (!test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map) || 8078 (ar->rx_channel != channel)) 8079 return; 8080 8081 if (ar->scan.state != ATH10K_SCAN_IDLE) { 8082 ath10k_dbg(ar, ATH10K_DBG_MAC, "ignoring bss chan info request while scanning..\n"); 8083 return; 8084 } 8085 8086 reinit_completion(&ar->bss_survey_done); 8087 8088 ret = ath10k_wmi_pdev_bss_chan_info_request(ar, type); 8089 if (ret) { 8090 ath10k_warn(ar, "failed to send pdev bss chan info request\n"); 8091 return; 8092 } 8093 8094 ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ); 8095 if (!ret) { 8096 ath10k_warn(ar, "bss channel survey timed out\n"); 8097 return; 8098 } 8099 } 8100 8101 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx, 8102 struct survey_info *survey) 8103 { 8104 struct ath10k *ar = hw->priv; 8105 struct ieee80211_supported_band *sband; 8106 struct survey_info *ar_survey = &ar->survey[idx]; 8107 int ret = 0; 8108 8109 mutex_lock(&ar->conf_mutex); 8110 8111 sband = hw->wiphy->bands[NL80211_BAND_2GHZ]; 8112 if (sband && idx >= sband->n_channels) { 8113 idx -= sband->n_channels; 8114 sband = NULL; 8115 } 8116 8117 if (!sband) 8118 sband = hw->wiphy->bands[NL80211_BAND_5GHZ]; 8119 8120 if (!sband || idx >= sband->n_channels) { 8121 ret = -ENOENT; 8122 goto exit; 8123 } 8124 8125 ath10k_mac_update_bss_chan_survey(ar, &sband->channels[idx]); 8126 8127 spin_lock_bh(&ar->data_lock); 8128 memcpy(survey, ar_survey, sizeof(*survey)); 8129 spin_unlock_bh(&ar->data_lock); 8130 8131 survey->channel = &sband->channels[idx]; 8132 8133 if (ar->rx_channel == survey->channel) 8134 survey->filled |= SURVEY_INFO_IN_USE; 8135 8136 exit: 8137 mutex_unlock(&ar->conf_mutex); 8138 return ret; 8139 } 8140 8141 static bool 8142 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar, 8143 enum nl80211_band band, 8144 const struct cfg80211_bitrate_mask *mask, 8145 int *nss) 8146 { 8147 struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; 8148 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); 8149 u8 ht_nss_mask = 0; 8150 u8 vht_nss_mask = 0; 8151 int i; 8152 8153 if (mask->control[band].legacy) 8154 return false; 8155 8156 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { 8157 if (mask->control[band].ht_mcs[i] == 0) 8158 continue; 8159 else if (mask->control[band].ht_mcs[i] == 8160 sband->ht_cap.mcs.rx_mask[i]) 8161 ht_nss_mask |= BIT(i); 8162 else 8163 return false; 8164 } 8165 8166 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { 8167 if (mask->control[band].vht_mcs[i] == 0) 8168 continue; 8169 else if (mask->control[band].vht_mcs[i] == 8170 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i)) 8171 vht_nss_mask |= BIT(i); 8172 else 8173 return false; 8174 } 8175 8176 if (ht_nss_mask != vht_nss_mask) 8177 return false; 8178 8179 if (ht_nss_mask == 0) 8180 return false; 8181 8182 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask) 8183 return false; 8184 8185 *nss = fls(ht_nss_mask); 8186 8187 return true; 8188 } 8189 8190 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif, 8191 u8 rate, u8 nss, u8 sgi, u8 ldpc) 8192 { 8193 struct ath10k *ar = arvif->ar; 8194 u32 vdev_param; 8195 int ret; 8196 8197 lockdep_assert_held(&ar->conf_mutex); 8198 8199 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02x nss %u sgi %u\n", 8200 arvif->vdev_id, rate, nss, sgi); 8201 8202 vdev_param = ar->wmi.vdev_param->fixed_rate; 8203 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate); 8204 if (ret) { 8205 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n", 8206 rate, ret); 8207 return ret; 8208 } 8209 8210 vdev_param = ar->wmi.vdev_param->nss; 8211 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss); 8212 if (ret) { 8213 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret); 8214 return ret; 8215 } 8216 8217 vdev_param = ar->wmi.vdev_param->sgi; 8218 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi); 8219 if (ret) { 8220 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret); 8221 return ret; 8222 } 8223 8224 vdev_param = ar->wmi.vdev_param->ldpc; 8225 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc); 8226 if (ret) { 8227 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret); 8228 return ret; 8229 } 8230 8231 return 0; 8232 } 8233 8234 static bool 8235 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar, 8236 enum nl80211_band band, 8237 const struct cfg80211_bitrate_mask *mask, 8238 bool allow_pfr) 8239 { 8240 int i; 8241 u16 vht_mcs; 8242 8243 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible 8244 * to express all VHT MCS rate masks. Effectively only the following 8245 * ranges can be used: none, 0-7, 0-8 and 0-9. 8246 */ 8247 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { 8248 vht_mcs = mask->control[band].vht_mcs[i]; 8249 8250 switch (vht_mcs) { 8251 case 0: 8252 case BIT(8) - 1: 8253 case BIT(9) - 1: 8254 case BIT(10) - 1: 8255 break; 8256 default: 8257 if (!allow_pfr) 8258 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n"); 8259 return false; 8260 } 8261 } 8262 8263 return true; 8264 } 8265 8266 static bool ath10k_mac_set_vht_bitrate_mask_fixup(struct ath10k *ar, 8267 struct ath10k_vif *arvif, 8268 struct ieee80211_sta *sta) 8269 { 8270 int err; 8271 u8 rate = arvif->vht_pfr; 8272 8273 /* skip non vht and multiple rate peers */ 8274 if (!sta->vht_cap.vht_supported || arvif->vht_num_rates != 1) 8275 return false; 8276 8277 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 8278 WMI_PEER_PARAM_FIXED_RATE, rate); 8279 if (err) 8280 ath10k_warn(ar, "failed to enable STA %pM peer fixed rate: %d\n", 8281 sta->addr, err); 8282 8283 return true; 8284 } 8285 8286 static void ath10k_mac_set_bitrate_mask_iter(void *data, 8287 struct ieee80211_sta *sta) 8288 { 8289 struct ath10k_vif *arvif = data; 8290 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 8291 struct ath10k *ar = arvif->ar; 8292 8293 if (arsta->arvif != arvif) 8294 return; 8295 8296 if (ath10k_mac_set_vht_bitrate_mask_fixup(ar, arvif, sta)) 8297 return; 8298 8299 spin_lock_bh(&ar->data_lock); 8300 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED; 8301 spin_unlock_bh(&ar->data_lock); 8302 8303 ieee80211_queue_work(ar->hw, &arsta->update_wk); 8304 } 8305 8306 static void ath10k_mac_clr_bitrate_mask_iter(void *data, 8307 struct ieee80211_sta *sta) 8308 { 8309 struct ath10k_vif *arvif = data; 8310 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 8311 struct ath10k *ar = arvif->ar; 8312 int err; 8313 8314 /* clear vht peers only */ 8315 if (arsta->arvif != arvif || !sta->vht_cap.vht_supported) 8316 return; 8317 8318 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, 8319 WMI_PEER_PARAM_FIXED_RATE, 8320 WMI_FIXED_RATE_NONE); 8321 if (err) 8322 ath10k_warn(ar, "failed to clear STA %pM peer fixed rate: %d\n", 8323 sta->addr, err); 8324 } 8325 8326 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, 8327 struct ieee80211_vif *vif, 8328 const struct cfg80211_bitrate_mask *mask) 8329 { 8330 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8331 struct cfg80211_chan_def def; 8332 struct ath10k *ar = arvif->ar; 8333 enum nl80211_band band; 8334 const u8 *ht_mcs_mask; 8335 const u16 *vht_mcs_mask; 8336 u8 rate; 8337 u8 nss; 8338 u8 sgi; 8339 u8 ldpc; 8340 int single_nss; 8341 int ret; 8342 int vht_num_rates, allow_pfr; 8343 u8 vht_pfr; 8344 bool update_bitrate_mask = true; 8345 8346 if (ath10k_mac_vif_chan(vif, &def)) 8347 return -EPERM; 8348 8349 band = def.chan->band; 8350 ht_mcs_mask = mask->control[band].ht_mcs; 8351 vht_mcs_mask = mask->control[band].vht_mcs; 8352 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC); 8353 8354 sgi = mask->control[band].gi; 8355 if (sgi == NL80211_TXRATE_FORCE_LGI) 8356 return -EINVAL; 8357 8358 allow_pfr = test_bit(ATH10K_FW_FEATURE_PEER_FIXED_RATE, 8359 ar->normal_mode_fw.fw_file.fw_features); 8360 if (allow_pfr) { 8361 mutex_lock(&ar->conf_mutex); 8362 ieee80211_iterate_stations_atomic(ar->hw, 8363 ath10k_mac_clr_bitrate_mask_iter, 8364 arvif); 8365 mutex_unlock(&ar->conf_mutex); 8366 } 8367 8368 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask, 8369 &vht_num_rates)) { 8370 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, 8371 &rate, &nss, 8372 false); 8373 if (ret) { 8374 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n", 8375 arvif->vdev_id, ret); 8376 return ret; 8377 } 8378 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask, 8379 &single_nss)) { 8380 rate = WMI_FIXED_RATE_NONE; 8381 nss = single_nss; 8382 } else { 8383 rate = WMI_FIXED_RATE_NONE; 8384 nss = min(ar->num_rf_chains, 8385 max(ath10k_mac_max_ht_nss(ht_mcs_mask), 8386 ath10k_mac_max_vht_nss(vht_mcs_mask))); 8387 8388 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask, 8389 allow_pfr)) { 8390 u8 vht_nss; 8391 8392 if (!allow_pfr || vht_num_rates != 1) 8393 return -EINVAL; 8394 8395 /* Reach here, firmware supports peer fixed rate and has 8396 * single vht rate, and don't update vif birate_mask, as 8397 * the rate only for specific peer. 8398 */ 8399 ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, 8400 &vht_pfr, 8401 &vht_nss, 8402 true); 8403 update_bitrate_mask = false; 8404 } else { 8405 vht_pfr = 0; 8406 } 8407 8408 mutex_lock(&ar->conf_mutex); 8409 8410 if (update_bitrate_mask) 8411 arvif->bitrate_mask = *mask; 8412 arvif->vht_num_rates = vht_num_rates; 8413 arvif->vht_pfr = vht_pfr; 8414 ieee80211_iterate_stations_atomic(ar->hw, 8415 ath10k_mac_set_bitrate_mask_iter, 8416 arvif); 8417 8418 mutex_unlock(&ar->conf_mutex); 8419 } 8420 8421 mutex_lock(&ar->conf_mutex); 8422 8423 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc); 8424 if (ret) { 8425 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n", 8426 arvif->vdev_id, ret); 8427 goto exit; 8428 } 8429 8430 exit: 8431 mutex_unlock(&ar->conf_mutex); 8432 8433 return ret; 8434 } 8435 8436 static void ath10k_sta_rc_update(struct ieee80211_hw *hw, 8437 struct ieee80211_vif *vif, 8438 struct ieee80211_sta *sta, 8439 u32 changed) 8440 { 8441 struct ath10k *ar = hw->priv; 8442 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 8443 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8444 struct ath10k_peer *peer; 8445 u32 bw, smps; 8446 8447 spin_lock_bh(&ar->data_lock); 8448 8449 peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr); 8450 if (!peer) { 8451 spin_unlock_bh(&ar->data_lock); 8452 ath10k_warn(ar, "mac sta rc update failed to find peer %pM on vdev %i\n", 8453 sta->addr, arvif->vdev_id); 8454 return; 8455 } 8456 8457 ath10k_dbg(ar, ATH10K_DBG_STA, 8458 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", 8459 sta->addr, changed, sta->bandwidth, sta->rx_nss, 8460 sta->smps_mode); 8461 8462 if (changed & IEEE80211_RC_BW_CHANGED) { 8463 bw = WMI_PEER_CHWIDTH_20MHZ; 8464 8465 switch (sta->bandwidth) { 8466 case IEEE80211_STA_RX_BW_20: 8467 bw = WMI_PEER_CHWIDTH_20MHZ; 8468 break; 8469 case IEEE80211_STA_RX_BW_40: 8470 bw = WMI_PEER_CHWIDTH_40MHZ; 8471 break; 8472 case IEEE80211_STA_RX_BW_80: 8473 bw = WMI_PEER_CHWIDTH_80MHZ; 8474 break; 8475 case IEEE80211_STA_RX_BW_160: 8476 bw = WMI_PEER_CHWIDTH_160MHZ; 8477 break; 8478 default: 8479 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n", 8480 sta->bandwidth, sta->addr); 8481 bw = WMI_PEER_CHWIDTH_20MHZ; 8482 break; 8483 } 8484 8485 arsta->bw = bw; 8486 } 8487 8488 if (changed & IEEE80211_RC_NSS_CHANGED) 8489 arsta->nss = sta->rx_nss; 8490 8491 if (changed & IEEE80211_RC_SMPS_CHANGED) { 8492 smps = WMI_PEER_SMPS_PS_NONE; 8493 8494 switch (sta->smps_mode) { 8495 case IEEE80211_SMPS_AUTOMATIC: 8496 case IEEE80211_SMPS_OFF: 8497 smps = WMI_PEER_SMPS_PS_NONE; 8498 break; 8499 case IEEE80211_SMPS_STATIC: 8500 smps = WMI_PEER_SMPS_STATIC; 8501 break; 8502 case IEEE80211_SMPS_DYNAMIC: 8503 smps = WMI_PEER_SMPS_DYNAMIC; 8504 break; 8505 case IEEE80211_SMPS_NUM_MODES: 8506 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n", 8507 sta->smps_mode, sta->addr); 8508 smps = WMI_PEER_SMPS_PS_NONE; 8509 break; 8510 } 8511 8512 arsta->smps = smps; 8513 } 8514 8515 arsta->changed |= changed; 8516 8517 spin_unlock_bh(&ar->data_lock); 8518 8519 ieee80211_queue_work(hw, &arsta->update_wk); 8520 } 8521 8522 static void ath10k_offset_tsf(struct ieee80211_hw *hw, 8523 struct ieee80211_vif *vif, s64 tsf_offset) 8524 { 8525 struct ath10k *ar = hw->priv; 8526 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8527 u32 offset, vdev_param; 8528 int ret; 8529 8530 if (tsf_offset < 0) { 8531 vdev_param = ar->wmi.vdev_param->dec_tsf; 8532 offset = -tsf_offset; 8533 } else { 8534 vdev_param = ar->wmi.vdev_param->inc_tsf; 8535 offset = tsf_offset; 8536 } 8537 8538 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, 8539 vdev_param, offset); 8540 8541 if (ret && ret != -EOPNOTSUPP) 8542 ath10k_warn(ar, "failed to set tsf offset %d cmd %d: %d\n", 8543 offset, vdev_param, ret); 8544 } 8545 8546 static int ath10k_ampdu_action(struct ieee80211_hw *hw, 8547 struct ieee80211_vif *vif, 8548 struct ieee80211_ampdu_params *params) 8549 { 8550 struct ath10k *ar = hw->priv; 8551 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8552 struct ieee80211_sta *sta = params->sta; 8553 enum ieee80211_ampdu_mlme_action action = params->action; 8554 u16 tid = params->tid; 8555 8556 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %u action %d\n", 8557 arvif->vdev_id, sta->addr, tid, action); 8558 8559 switch (action) { 8560 case IEEE80211_AMPDU_RX_START: 8561 case IEEE80211_AMPDU_RX_STOP: 8562 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session 8563 * creation/removal. Do we need to verify this? 8564 */ 8565 return 0; 8566 case IEEE80211_AMPDU_TX_START: 8567 case IEEE80211_AMPDU_TX_STOP_CONT: 8568 case IEEE80211_AMPDU_TX_STOP_FLUSH: 8569 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 8570 case IEEE80211_AMPDU_TX_OPERATIONAL: 8571 /* Firmware offloads Tx aggregation entirely so deny mac80211 8572 * Tx aggregation requests. 8573 */ 8574 return -EOPNOTSUPP; 8575 } 8576 8577 return -EINVAL; 8578 } 8579 8580 static void 8581 ath10k_mac_update_rx_channel(struct ath10k *ar, 8582 struct ieee80211_chanctx_conf *ctx, 8583 struct ieee80211_vif_chanctx_switch *vifs, 8584 int n_vifs) 8585 { 8586 struct cfg80211_chan_def *def = NULL; 8587 8588 /* Both locks are required because ar->rx_channel is modified. This 8589 * allows readers to hold either lock. 8590 */ 8591 lockdep_assert_held(&ar->conf_mutex); 8592 lockdep_assert_held(&ar->data_lock); 8593 8594 WARN_ON(ctx && vifs); 8595 WARN_ON(vifs && !n_vifs); 8596 8597 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are 8598 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each 8599 * ppdu on Rx may reduce performance on low-end systems. It should be 8600 * possible to make tables/hashmaps to speed the lookup up (be vary of 8601 * cpu data cache lines though regarding sizes) but to keep the initial 8602 * implementation simple and less intrusive fallback to the slow lookup 8603 * only for multi-channel cases. Single-channel cases will remain to 8604 * use the old channel derival and thus performance should not be 8605 * affected much. 8606 */ 8607 rcu_read_lock(); 8608 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) { 8609 ieee80211_iter_chan_contexts_atomic(ar->hw, 8610 ath10k_mac_get_any_chandef_iter, 8611 &def); 8612 8613 if (vifs) 8614 def = &vifs[0].new_ctx->def; 8615 8616 ar->rx_channel = def->chan; 8617 } else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) || 8618 (ctx && (ar->state == ATH10K_STATE_RESTARTED))) { 8619 /* During driver restart due to firmware assert, since mac80211 8620 * already has valid channel context for given radio, channel 8621 * context iteration return num_chanctx > 0. So fix rx_channel 8622 * when restart is in progress. 8623 */ 8624 ar->rx_channel = ctx->def.chan; 8625 } else { 8626 ar->rx_channel = NULL; 8627 } 8628 rcu_read_unlock(); 8629 } 8630 8631 static void 8632 ath10k_mac_update_vif_chan(struct ath10k *ar, 8633 struct ieee80211_vif_chanctx_switch *vifs, 8634 int n_vifs) 8635 { 8636 struct ath10k_vif *arvif; 8637 int ret; 8638 int i; 8639 8640 lockdep_assert_held(&ar->conf_mutex); 8641 8642 /* First stop monitor interface. Some FW versions crash if there's a 8643 * lone monitor interface. 8644 */ 8645 if (ar->monitor_started) 8646 ath10k_monitor_stop(ar); 8647 8648 for (i = 0; i < n_vifs; i++) { 8649 arvif = (void *)vifs[i].vif->drv_priv; 8650 8651 ath10k_dbg(ar, ATH10K_DBG_MAC, 8652 "mac chanctx switch vdev_id %i freq %u->%u width %d->%d\n", 8653 arvif->vdev_id, 8654 vifs[i].old_ctx->def.chan->center_freq, 8655 vifs[i].new_ctx->def.chan->center_freq, 8656 vifs[i].old_ctx->def.width, 8657 vifs[i].new_ctx->def.width); 8658 8659 if (WARN_ON(!arvif->is_started)) 8660 continue; 8661 8662 if (WARN_ON(!arvif->is_up)) 8663 continue; 8664 8665 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); 8666 if (ret) { 8667 ath10k_warn(ar, "failed to down vdev %d: %d\n", 8668 arvif->vdev_id, ret); 8669 continue; 8670 } 8671 } 8672 8673 /* All relevant vdevs are downed and associated channel resources 8674 * should be available for the channel switch now. 8675 */ 8676 8677 spin_lock_bh(&ar->data_lock); 8678 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs); 8679 spin_unlock_bh(&ar->data_lock); 8680 8681 for (i = 0; i < n_vifs; i++) { 8682 arvif = (void *)vifs[i].vif->drv_priv; 8683 8684 if (WARN_ON(!arvif->is_started)) 8685 continue; 8686 8687 if (WARN_ON(!arvif->is_up)) 8688 continue; 8689 8690 ret = ath10k_mac_setup_bcn_tmpl(arvif); 8691 if (ret) 8692 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", 8693 ret); 8694 8695 ret = ath10k_mac_setup_prb_tmpl(arvif); 8696 if (ret) 8697 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", 8698 ret); 8699 8700 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def); 8701 if (ret) { 8702 ath10k_warn(ar, "failed to restart vdev %d: %d\n", 8703 arvif->vdev_id, ret); 8704 continue; 8705 } 8706 8707 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, 8708 arvif->bssid); 8709 if (ret) { 8710 ath10k_warn(ar, "failed to bring vdev up %d: %d\n", 8711 arvif->vdev_id, ret); 8712 continue; 8713 } 8714 } 8715 8716 ath10k_monitor_recalc(ar); 8717 } 8718 8719 static int 8720 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw, 8721 struct ieee80211_chanctx_conf *ctx) 8722 { 8723 struct ath10k *ar = hw->priv; 8724 8725 ath10k_dbg(ar, ATH10K_DBG_MAC, 8726 "mac chanctx add freq %u width %d ptr %pK\n", 8727 ctx->def.chan->center_freq, ctx->def.width, ctx); 8728 8729 mutex_lock(&ar->conf_mutex); 8730 8731 spin_lock_bh(&ar->data_lock); 8732 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0); 8733 spin_unlock_bh(&ar->data_lock); 8734 8735 ath10k_recalc_radar_detection(ar); 8736 ath10k_monitor_recalc(ar); 8737 8738 mutex_unlock(&ar->conf_mutex); 8739 8740 return 0; 8741 } 8742 8743 static void 8744 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw, 8745 struct ieee80211_chanctx_conf *ctx) 8746 { 8747 struct ath10k *ar = hw->priv; 8748 8749 ath10k_dbg(ar, ATH10K_DBG_MAC, 8750 "mac chanctx remove freq %u width %d ptr %pK\n", 8751 ctx->def.chan->center_freq, ctx->def.width, ctx); 8752 8753 mutex_lock(&ar->conf_mutex); 8754 8755 spin_lock_bh(&ar->data_lock); 8756 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0); 8757 spin_unlock_bh(&ar->data_lock); 8758 8759 ath10k_recalc_radar_detection(ar); 8760 ath10k_monitor_recalc(ar); 8761 8762 mutex_unlock(&ar->conf_mutex); 8763 } 8764 8765 struct ath10k_mac_change_chanctx_arg { 8766 struct ieee80211_chanctx_conf *ctx; 8767 struct ieee80211_vif_chanctx_switch *vifs; 8768 int n_vifs; 8769 int next_vif; 8770 }; 8771 8772 static void 8773 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac, 8774 struct ieee80211_vif *vif) 8775 { 8776 struct ath10k_mac_change_chanctx_arg *arg = data; 8777 8778 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx) 8779 return; 8780 8781 arg->n_vifs++; 8782 } 8783 8784 static void 8785 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac, 8786 struct ieee80211_vif *vif) 8787 { 8788 struct ath10k_mac_change_chanctx_arg *arg = data; 8789 struct ieee80211_chanctx_conf *ctx; 8790 8791 ctx = rcu_access_pointer(vif->chanctx_conf); 8792 if (ctx != arg->ctx) 8793 return; 8794 8795 if (WARN_ON(arg->next_vif == arg->n_vifs)) 8796 return; 8797 8798 arg->vifs[arg->next_vif].vif = vif; 8799 arg->vifs[arg->next_vif].old_ctx = ctx; 8800 arg->vifs[arg->next_vif].new_ctx = ctx; 8801 arg->next_vif++; 8802 } 8803 8804 static void 8805 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw, 8806 struct ieee80211_chanctx_conf *ctx, 8807 u32 changed) 8808 { 8809 struct ath10k *ar = hw->priv; 8810 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx }; 8811 8812 mutex_lock(&ar->conf_mutex); 8813 8814 ath10k_dbg(ar, ATH10K_DBG_MAC, 8815 "mac chanctx change freq %u width %d ptr %pK changed %x\n", 8816 ctx->def.chan->center_freq, ctx->def.width, ctx, changed); 8817 8818 /* This shouldn't really happen because channel switching should use 8819 * switch_vif_chanctx(). 8820 */ 8821 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL)) 8822 goto unlock; 8823 8824 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) { 8825 ieee80211_iterate_active_interfaces_atomic( 8826 hw, 8827 ATH10K_ITER_NORMAL_FLAGS, 8828 ath10k_mac_change_chanctx_cnt_iter, 8829 &arg); 8830 if (arg.n_vifs == 0) 8831 goto radar; 8832 8833 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), 8834 GFP_KERNEL); 8835 if (!arg.vifs) 8836 goto radar; 8837 8838 ieee80211_iterate_active_interfaces_atomic( 8839 hw, 8840 ATH10K_ITER_NORMAL_FLAGS, 8841 ath10k_mac_change_chanctx_fill_iter, 8842 &arg); 8843 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs); 8844 kfree(arg.vifs); 8845 } 8846 8847 radar: 8848 ath10k_recalc_radar_detection(ar); 8849 8850 /* FIXME: How to configure Rx chains properly? */ 8851 8852 /* No other actions are actually necessary. Firmware maintains channel 8853 * definitions per vdev internally and there's no host-side channel 8854 * context abstraction to configure, e.g. channel width. 8855 */ 8856 8857 unlock: 8858 mutex_unlock(&ar->conf_mutex); 8859 } 8860 8861 static int 8862 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, 8863 struct ieee80211_vif *vif, 8864 struct ieee80211_chanctx_conf *ctx) 8865 { 8866 struct ath10k *ar = hw->priv; 8867 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8868 int ret; 8869 8870 mutex_lock(&ar->conf_mutex); 8871 8872 ath10k_dbg(ar, ATH10K_DBG_MAC, 8873 "mac chanctx assign ptr %pK vdev_id %i\n", 8874 ctx, arvif->vdev_id); 8875 8876 if (WARN_ON(arvif->is_started)) { 8877 mutex_unlock(&ar->conf_mutex); 8878 return -EBUSY; 8879 } 8880 8881 ret = ath10k_vdev_start(arvif, &ctx->def); 8882 if (ret) { 8883 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n", 8884 arvif->vdev_id, vif->addr, 8885 ctx->def.chan->center_freq, ret); 8886 goto err; 8887 } 8888 8889 arvif->is_started = true; 8890 8891 ret = ath10k_mac_vif_setup_ps(arvif); 8892 if (ret) { 8893 ath10k_warn(ar, "failed to update vdev %i ps: %d\n", 8894 arvif->vdev_id, ret); 8895 goto err_stop; 8896 } 8897 8898 if (vif->type == NL80211_IFTYPE_MONITOR) { 8899 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr); 8900 if (ret) { 8901 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n", 8902 arvif->vdev_id, ret); 8903 goto err_stop; 8904 } 8905 8906 arvif->is_up = true; 8907 } 8908 8909 if (ath10k_mac_can_set_cts_prot(arvif)) { 8910 ret = ath10k_mac_set_cts_prot(arvif); 8911 if (ret) 8912 ath10k_warn(ar, "failed to set cts protection for vdev %d: %d\n", 8913 arvif->vdev_id, ret); 8914 } 8915 8916 if (ath10k_peer_stats_enabled(ar) && 8917 ar->hw_params.tx_stats_over_pktlog) { 8918 ar->pktlog_filter |= ATH10K_PKTLOG_PEER_STATS; 8919 ret = ath10k_wmi_pdev_pktlog_enable(ar, 8920 ar->pktlog_filter); 8921 if (ret) { 8922 ath10k_warn(ar, "failed to enable pktlog %d\n", ret); 8923 goto err_stop; 8924 } 8925 } 8926 8927 mutex_unlock(&ar->conf_mutex); 8928 return 0; 8929 8930 err_stop: 8931 ath10k_vdev_stop(arvif); 8932 arvif->is_started = false; 8933 ath10k_mac_vif_setup_ps(arvif); 8934 8935 err: 8936 mutex_unlock(&ar->conf_mutex); 8937 return ret; 8938 } 8939 8940 static void 8941 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, 8942 struct ieee80211_vif *vif, 8943 struct ieee80211_chanctx_conf *ctx) 8944 { 8945 struct ath10k *ar = hw->priv; 8946 struct ath10k_vif *arvif = (void *)vif->drv_priv; 8947 int ret; 8948 8949 mutex_lock(&ar->conf_mutex); 8950 8951 ath10k_dbg(ar, ATH10K_DBG_MAC, 8952 "mac chanctx unassign ptr %pK vdev_id %i\n", 8953 ctx, arvif->vdev_id); 8954 8955 WARN_ON(!arvif->is_started); 8956 8957 if (vif->type == NL80211_IFTYPE_MONITOR) { 8958 WARN_ON(!arvif->is_up); 8959 8960 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); 8961 if (ret) 8962 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n", 8963 arvif->vdev_id, ret); 8964 8965 arvif->is_up = false; 8966 } 8967 8968 ret = ath10k_vdev_stop(arvif); 8969 if (ret) 8970 ath10k_warn(ar, "failed to stop vdev %i: %d\n", 8971 arvif->vdev_id, ret); 8972 8973 arvif->is_started = false; 8974 8975 mutex_unlock(&ar->conf_mutex); 8976 } 8977 8978 static int 8979 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw, 8980 struct ieee80211_vif_chanctx_switch *vifs, 8981 int n_vifs, 8982 enum ieee80211_chanctx_switch_mode mode) 8983 { 8984 struct ath10k *ar = hw->priv; 8985 8986 mutex_lock(&ar->conf_mutex); 8987 8988 ath10k_dbg(ar, ATH10K_DBG_MAC, 8989 "mac chanctx switch n_vifs %d mode %d\n", 8990 n_vifs, mode); 8991 ath10k_mac_update_vif_chan(ar, vifs, n_vifs); 8992 8993 mutex_unlock(&ar->conf_mutex); 8994 return 0; 8995 } 8996 8997 static void ath10k_mac_op_sta_pre_rcu_remove(struct ieee80211_hw *hw, 8998 struct ieee80211_vif *vif, 8999 struct ieee80211_sta *sta) 9000 { 9001 struct ath10k *ar; 9002 struct ath10k_peer *peer; 9003 9004 ar = hw->priv; 9005 9006 list_for_each_entry(peer, &ar->peers, list) 9007 if (peer->sta == sta) 9008 peer->removed = true; 9009 } 9010 9011 /* HT MCS parameters with Nss = 1 */ 9012 static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss1[] = { 9013 /* MCS L20 L40 S20 S40 */ 9014 {0, { 65, 135, 72, 150} }, 9015 {1, { 130, 270, 144, 300} }, 9016 {2, { 195, 405, 217, 450} }, 9017 {3, { 260, 540, 289, 600} }, 9018 {4, { 390, 810, 433, 900} }, 9019 {5, { 520, 1080, 578, 1200} }, 9020 {6, { 585, 1215, 650, 1350} }, 9021 {7, { 650, 1350, 722, 1500} } 9022 }; 9023 9024 /* HT MCS parameters with Nss = 2 */ 9025 static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss2[] = { 9026 /* MCS L20 L40 S20 S40 */ 9027 {0, {130, 270, 144, 300} }, 9028 {1, {260, 540, 289, 600} }, 9029 {2, {390, 810, 433, 900} }, 9030 {3, {520, 1080, 578, 1200} }, 9031 {4, {780, 1620, 867, 1800} }, 9032 {5, {1040, 2160, 1156, 2400} }, 9033 {6, {1170, 2430, 1300, 2700} }, 9034 {7, {1300, 2700, 1444, 3000} } 9035 }; 9036 9037 /* MCS parameters with Nss = 1 */ 9038 static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss1[] = { 9039 /* MCS L80 S80 L40 S40 L20 S20 */ 9040 {0, {293, 325}, {135, 150}, {65, 72} }, 9041 {1, {585, 650}, {270, 300}, {130, 144} }, 9042 {2, {878, 975}, {405, 450}, {195, 217} }, 9043 {3, {1170, 1300}, {540, 600}, {260, 289} }, 9044 {4, {1755, 1950}, {810, 900}, {390, 433} }, 9045 {5, {2340, 2600}, {1080, 1200}, {520, 578} }, 9046 {6, {2633, 2925}, {1215, 1350}, {585, 650} }, 9047 {7, {2925, 3250}, {1350, 1500}, {650, 722} }, 9048 {8, {3510, 3900}, {1620, 1800}, {780, 867} }, 9049 {9, {3900, 4333}, {1800, 2000}, {780, 867} } 9050 }; 9051 9052 /*MCS parameters with Nss = 2 */ 9053 static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss2[] = { 9054 /* MCS L80 S80 L40 S40 L20 S20 */ 9055 {0, {585, 650}, {270, 300}, {130, 144} }, 9056 {1, {1170, 1300}, {540, 600}, {260, 289} }, 9057 {2, {1755, 1950}, {810, 900}, {390, 433} }, 9058 {3, {2340, 2600}, {1080, 1200}, {520, 578} }, 9059 {4, {3510, 3900}, {1620, 1800}, {780, 867} }, 9060 {5, {4680, 5200}, {2160, 2400}, {1040, 1156} }, 9061 {6, {5265, 5850}, {2430, 2700}, {1170, 1300} }, 9062 {7, {5850, 6500}, {2700, 3000}, {1300, 1444} }, 9063 {8, {7020, 7800}, {3240, 3600}, {1560, 1733} }, 9064 {9, {7800, 8667}, {3600, 4000}, {1560, 1733} } 9065 }; 9066 9067 static void ath10k_mac_get_rate_flags_ht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs, 9068 u8 *flags, u8 *bw) 9069 { 9070 struct ath10k_index_ht_data_rate_type *mcs_rate; 9071 u8 index; 9072 size_t len_nss1 = ARRAY_SIZE(supported_ht_mcs_rate_nss1); 9073 size_t len_nss2 = ARRAY_SIZE(supported_ht_mcs_rate_nss2); 9074 9075 if (mcs >= (len_nss1 + len_nss2)) { 9076 ath10k_warn(ar, "not supported mcs %d in current rate table", mcs); 9077 return; 9078 } 9079 9080 mcs_rate = (struct ath10k_index_ht_data_rate_type *) 9081 ((nss == 1) ? &supported_ht_mcs_rate_nss1 : 9082 &supported_ht_mcs_rate_nss2); 9083 9084 if (mcs >= len_nss1) 9085 index = mcs - len_nss1; 9086 else 9087 index = mcs; 9088 9089 if (rate == mcs_rate[index].supported_rate[0]) { 9090 *bw = RATE_INFO_BW_20; 9091 } else if (rate == mcs_rate[index].supported_rate[1]) { 9092 *bw |= RATE_INFO_BW_40; 9093 } else if (rate == mcs_rate[index].supported_rate[2]) { 9094 *bw |= RATE_INFO_BW_20; 9095 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9096 } else if (rate == mcs_rate[index].supported_rate[3]) { 9097 *bw |= RATE_INFO_BW_40; 9098 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9099 } else { 9100 ath10k_warn(ar, "invalid ht params rate %d 100kbps nss %d mcs %d", 9101 rate, nss, mcs); 9102 } 9103 } 9104 9105 static void ath10k_mac_get_rate_flags_vht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs, 9106 u8 *flags, u8 *bw) 9107 { 9108 struct ath10k_index_vht_data_rate_type *mcs_rate; 9109 9110 mcs_rate = (struct ath10k_index_vht_data_rate_type *) 9111 ((nss == 1) ? &supported_vht_mcs_rate_nss1 : 9112 &supported_vht_mcs_rate_nss2); 9113 9114 if (rate == mcs_rate[mcs].supported_VHT80_rate[0]) { 9115 *bw = RATE_INFO_BW_80; 9116 } else if (rate == mcs_rate[mcs].supported_VHT80_rate[1]) { 9117 *bw = RATE_INFO_BW_80; 9118 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9119 } else if (rate == mcs_rate[mcs].supported_VHT40_rate[0]) { 9120 *bw = RATE_INFO_BW_40; 9121 } else if (rate == mcs_rate[mcs].supported_VHT40_rate[1]) { 9122 *bw = RATE_INFO_BW_40; 9123 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9124 } else if (rate == mcs_rate[mcs].supported_VHT20_rate[0]) { 9125 *bw = RATE_INFO_BW_20; 9126 } else if (rate == mcs_rate[mcs].supported_VHT20_rate[1]) { 9127 *bw = RATE_INFO_BW_20; 9128 *flags |= RATE_INFO_FLAGS_SHORT_GI; 9129 } else { 9130 ath10k_warn(ar, "invalid vht params rate %d 100kbps nss %d mcs %d", 9131 rate, nss, mcs); 9132 } 9133 } 9134 9135 static void ath10k_mac_get_rate_flags(struct ath10k *ar, u32 rate, 9136 enum ath10k_phy_mode mode, u8 nss, u8 mcs, 9137 u8 *flags, u8 *bw) 9138 { 9139 if (mode == ATH10K_PHY_MODE_HT) { 9140 *flags = RATE_INFO_FLAGS_MCS; 9141 ath10k_mac_get_rate_flags_ht(ar, rate, nss, mcs, flags, bw); 9142 } else if (mode == ATH10K_PHY_MODE_VHT) { 9143 *flags = RATE_INFO_FLAGS_VHT_MCS; 9144 ath10k_mac_get_rate_flags_vht(ar, rate, nss, mcs, flags, bw); 9145 } 9146 } 9147 9148 static void ath10k_mac_parse_bitrate(struct ath10k *ar, u32 rate_code, 9149 u32 bitrate_kbps, struct rate_info *rate) 9150 { 9151 enum ath10k_phy_mode mode = ATH10K_PHY_MODE_LEGACY; 9152 enum wmi_rate_preamble preamble = WMI_TLV_GET_HW_RC_PREAM_V1(rate_code); 9153 u8 nss = WMI_TLV_GET_HW_RC_NSS_V1(rate_code) + 1; 9154 u8 mcs = WMI_TLV_GET_HW_RC_RATE_V1(rate_code); 9155 u8 flags = 0, bw = 0; 9156 9157 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac parse rate code 0x%x bitrate %d kbps\n", 9158 rate_code, bitrate_kbps); 9159 9160 if (preamble == WMI_RATE_PREAMBLE_HT) 9161 mode = ATH10K_PHY_MODE_HT; 9162 else if (preamble == WMI_RATE_PREAMBLE_VHT) 9163 mode = ATH10K_PHY_MODE_VHT; 9164 9165 ath10k_mac_get_rate_flags(ar, bitrate_kbps / 100, mode, nss, mcs, &flags, &bw); 9166 9167 ath10k_dbg(ar, ATH10K_DBG_MAC, 9168 "mac parse bitrate preamble %d mode %d nss %d mcs %d flags %x bw %d\n", 9169 preamble, mode, nss, mcs, flags, bw); 9170 9171 rate->flags = flags; 9172 rate->bw = bw; 9173 rate->legacy = bitrate_kbps / 100; 9174 rate->nss = nss; 9175 rate->mcs = mcs; 9176 } 9177 9178 static void ath10k_mac_sta_get_peer_stats_info(struct ath10k *ar, 9179 struct ieee80211_sta *sta, 9180 struct station_info *sinfo) 9181 { 9182 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 9183 struct ath10k_peer *peer; 9184 unsigned long time_left; 9185 int ret; 9186 9187 if (!(ar->hw_params.supports_peer_stats_info && 9188 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA)) 9189 return; 9190 9191 spin_lock_bh(&ar->data_lock); 9192 peer = ath10k_peer_find(ar, arsta->arvif->vdev_id, sta->addr); 9193 spin_unlock_bh(&ar->data_lock); 9194 if (!peer) 9195 return; 9196 9197 reinit_completion(&ar->peer_stats_info_complete); 9198 9199 ret = ath10k_wmi_request_peer_stats_info(ar, 9200 arsta->arvif->vdev_id, 9201 WMI_REQUEST_ONE_PEER_STATS_INFO, 9202 arsta->arvif->bssid, 9203 0); 9204 if (ret && ret != -EOPNOTSUPP) { 9205 ath10k_warn(ar, "could not request peer stats info: %d\n", ret); 9206 return; 9207 } 9208 9209 time_left = wait_for_completion_timeout(&ar->peer_stats_info_complete, 3 * HZ); 9210 if (time_left == 0) { 9211 ath10k_warn(ar, "timed out waiting peer stats info\n"); 9212 return; 9213 } 9214 9215 if (arsta->rx_rate_code != 0 && arsta->rx_bitrate_kbps != 0) { 9216 ath10k_mac_parse_bitrate(ar, arsta->rx_rate_code, 9217 arsta->rx_bitrate_kbps, 9218 &sinfo->rxrate); 9219 9220 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); 9221 arsta->rx_rate_code = 0; 9222 arsta->rx_bitrate_kbps = 0; 9223 } 9224 9225 if (arsta->tx_rate_code != 0 && arsta->tx_bitrate_kbps != 0) { 9226 ath10k_mac_parse_bitrate(ar, arsta->tx_rate_code, 9227 arsta->tx_bitrate_kbps, 9228 &sinfo->txrate); 9229 9230 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 9231 arsta->tx_rate_code = 0; 9232 arsta->tx_bitrate_kbps = 0; 9233 } 9234 } 9235 9236 static void ath10k_sta_statistics(struct ieee80211_hw *hw, 9237 struct ieee80211_vif *vif, 9238 struct ieee80211_sta *sta, 9239 struct station_info *sinfo) 9240 { 9241 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; 9242 struct ath10k *ar = arsta->arvif->ar; 9243 9244 if (!ath10k_peer_stats_enabled(ar)) 9245 return; 9246 9247 mutex_lock(&ar->conf_mutex); 9248 ath10k_debug_fw_stats_request(ar); 9249 mutex_unlock(&ar->conf_mutex); 9250 9251 sinfo->rx_duration = arsta->rx_duration; 9252 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION); 9253 9254 if (arsta->txrate.legacy || arsta->txrate.nss) { 9255 if (arsta->txrate.legacy) { 9256 sinfo->txrate.legacy = arsta->txrate.legacy; 9257 } else { 9258 sinfo->txrate.mcs = arsta->txrate.mcs; 9259 sinfo->txrate.nss = arsta->txrate.nss; 9260 sinfo->txrate.bw = arsta->txrate.bw; 9261 } 9262 sinfo->txrate.flags = arsta->txrate.flags; 9263 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 9264 } 9265 9266 if (ar->htt.disable_tx_comp) { 9267 sinfo->tx_failed = arsta->tx_failed; 9268 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); 9269 } 9270 9271 sinfo->tx_retries = arsta->tx_retries; 9272 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES); 9273 9274 ath10k_mac_sta_get_peer_stats_info(ar, sta, sinfo); 9275 } 9276 9277 static int ath10k_mac_op_set_tid_config(struct ieee80211_hw *hw, 9278 struct ieee80211_vif *vif, 9279 struct ieee80211_sta *sta, 9280 struct cfg80211_tid_config *tid_config) 9281 { 9282 struct ath10k *ar = hw->priv; 9283 struct ath10k_vif *arvif = (void *)vif->drv_priv; 9284 struct ath10k_mac_iter_tid_conf_data data = {}; 9285 struct wmi_per_peer_per_tid_cfg_arg arg = {}; 9286 int ret, i; 9287 9288 mutex_lock(&ar->conf_mutex); 9289 arg.vdev_id = arvif->vdev_id; 9290 9291 arvif->tids_rst = 0; 9292 memset(arvif->tid_conf_changed, 0, sizeof(arvif->tid_conf_changed)); 9293 9294 for (i = 0; i < tid_config->n_tid_conf; i++) { 9295 ret = ath10k_mac_parse_tid_config(ar, sta, vif, 9296 &tid_config->tid_conf[i], 9297 &arg); 9298 if (ret) 9299 goto exit; 9300 } 9301 9302 ret = 0; 9303 9304 if (sta) 9305 goto exit; 9306 9307 arvif->tids_rst = 0; 9308 data.curr_vif = vif; 9309 data.ar = ar; 9310 9311 ieee80211_iterate_stations_atomic(hw, ath10k_mac_vif_stations_tid_conf, 9312 &data); 9313 9314 exit: 9315 mutex_unlock(&ar->conf_mutex); 9316 return ret; 9317 } 9318 9319 static int ath10k_mac_op_reset_tid_config(struct ieee80211_hw *hw, 9320 struct ieee80211_vif *vif, 9321 struct ieee80211_sta *sta, 9322 u8 tids) 9323 { 9324 struct ath10k_vif *arvif = (void *)vif->drv_priv; 9325 struct ath10k_mac_iter_tid_conf_data data = {}; 9326 struct ath10k *ar = hw->priv; 9327 int ret = 0; 9328 9329 mutex_lock(&ar->conf_mutex); 9330 9331 if (sta) { 9332 arvif->tids_rst = 0; 9333 ret = ath10k_mac_reset_tid_config(ar, sta, arvif, tids); 9334 goto exit; 9335 } 9336 9337 arvif->tids_rst = tids; 9338 data.curr_vif = vif; 9339 data.ar = ar; 9340 ieee80211_iterate_stations_atomic(hw, ath10k_mac_vif_stations_tid_conf, 9341 &data); 9342 9343 exit: 9344 mutex_unlock(&ar->conf_mutex); 9345 return ret; 9346 } 9347 9348 static const struct ieee80211_ops ath10k_ops = { 9349 .tx = ath10k_mac_op_tx, 9350 .wake_tx_queue = ath10k_mac_op_wake_tx_queue, 9351 .start = ath10k_start, 9352 .stop = ath10k_stop, 9353 .config = ath10k_config, 9354 .add_interface = ath10k_add_interface, 9355 .remove_interface = ath10k_remove_interface, 9356 .configure_filter = ath10k_configure_filter, 9357 .bss_info_changed = ath10k_bss_info_changed, 9358 .set_coverage_class = ath10k_mac_op_set_coverage_class, 9359 .hw_scan = ath10k_hw_scan, 9360 .cancel_hw_scan = ath10k_cancel_hw_scan, 9361 .set_key = ath10k_set_key, 9362 .set_default_unicast_key = ath10k_set_default_unicast_key, 9363 .sta_state = ath10k_sta_state, 9364 .sta_set_txpwr = ath10k_sta_set_txpwr, 9365 .conf_tx = ath10k_conf_tx, 9366 .remain_on_channel = ath10k_remain_on_channel, 9367 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, 9368 .set_rts_threshold = ath10k_set_rts_threshold, 9369 .set_frag_threshold = ath10k_mac_op_set_frag_threshold, 9370 .flush = ath10k_flush, 9371 .tx_last_beacon = ath10k_tx_last_beacon, 9372 .set_antenna = ath10k_set_antenna, 9373 .get_antenna = ath10k_get_antenna, 9374 .reconfig_complete = ath10k_reconfig_complete, 9375 .get_survey = ath10k_get_survey, 9376 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask, 9377 .sta_rc_update = ath10k_sta_rc_update, 9378 .offset_tsf = ath10k_offset_tsf, 9379 .ampdu_action = ath10k_ampdu_action, 9380 .get_et_sset_count = ath10k_debug_get_et_sset_count, 9381 .get_et_stats = ath10k_debug_get_et_stats, 9382 .get_et_strings = ath10k_debug_get_et_strings, 9383 .add_chanctx = ath10k_mac_op_add_chanctx, 9384 .remove_chanctx = ath10k_mac_op_remove_chanctx, 9385 .change_chanctx = ath10k_mac_op_change_chanctx, 9386 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx, 9387 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx, 9388 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx, 9389 .sta_pre_rcu_remove = ath10k_mac_op_sta_pre_rcu_remove, 9390 .sta_statistics = ath10k_sta_statistics, 9391 .set_tid_config = ath10k_mac_op_set_tid_config, 9392 .reset_tid_config = ath10k_mac_op_reset_tid_config, 9393 9394 CFG80211_TESTMODE_CMD(ath10k_tm_cmd) 9395 9396 #ifdef CONFIG_PM 9397 .suspend = ath10k_wow_op_suspend, 9398 .resume = ath10k_wow_op_resume, 9399 .set_wakeup = ath10k_wow_op_set_wakeup, 9400 #endif 9401 #ifdef CONFIG_MAC80211_DEBUGFS 9402 .sta_add_debugfs = ath10k_sta_add_debugfs, 9403 #endif 9404 .set_sar_specs = ath10k_mac_set_sar_specs, 9405 }; 9406 9407 #define CHAN2G(_channel, _freq, _flags) { \ 9408 .band = NL80211_BAND_2GHZ, \ 9409 .hw_value = (_channel), \ 9410 .center_freq = (_freq), \ 9411 .flags = (_flags), \ 9412 .max_antenna_gain = 0, \ 9413 .max_power = 30, \ 9414 } 9415 9416 #define CHAN5G(_channel, _freq, _flags) { \ 9417 .band = NL80211_BAND_5GHZ, \ 9418 .hw_value = (_channel), \ 9419 .center_freq = (_freq), \ 9420 .flags = (_flags), \ 9421 .max_antenna_gain = 0, \ 9422 .max_power = 30, \ 9423 } 9424 9425 static const struct ieee80211_channel ath10k_2ghz_channels[] = { 9426 CHAN2G(1, 2412, 0), 9427 CHAN2G(2, 2417, 0), 9428 CHAN2G(3, 2422, 0), 9429 CHAN2G(4, 2427, 0), 9430 CHAN2G(5, 2432, 0), 9431 CHAN2G(6, 2437, 0), 9432 CHAN2G(7, 2442, 0), 9433 CHAN2G(8, 2447, 0), 9434 CHAN2G(9, 2452, 0), 9435 CHAN2G(10, 2457, 0), 9436 CHAN2G(11, 2462, 0), 9437 CHAN2G(12, 2467, 0), 9438 CHAN2G(13, 2472, 0), 9439 CHAN2G(14, 2484, 0), 9440 }; 9441 9442 static const struct ieee80211_channel ath10k_5ghz_channels[] = { 9443 CHAN5G(36, 5180, 0), 9444 CHAN5G(40, 5200, 0), 9445 CHAN5G(44, 5220, 0), 9446 CHAN5G(48, 5240, 0), 9447 CHAN5G(52, 5260, 0), 9448 CHAN5G(56, 5280, 0), 9449 CHAN5G(60, 5300, 0), 9450 CHAN5G(64, 5320, 0), 9451 CHAN5G(100, 5500, 0), 9452 CHAN5G(104, 5520, 0), 9453 CHAN5G(108, 5540, 0), 9454 CHAN5G(112, 5560, 0), 9455 CHAN5G(116, 5580, 0), 9456 CHAN5G(120, 5600, 0), 9457 CHAN5G(124, 5620, 0), 9458 CHAN5G(128, 5640, 0), 9459 CHAN5G(132, 5660, 0), 9460 CHAN5G(136, 5680, 0), 9461 CHAN5G(140, 5700, 0), 9462 CHAN5G(144, 5720, 0), 9463 CHAN5G(149, 5745, 0), 9464 CHAN5G(153, 5765, 0), 9465 CHAN5G(157, 5785, 0), 9466 CHAN5G(161, 5805, 0), 9467 CHAN5G(165, 5825, 0), 9468 CHAN5G(169, 5845, 0), 9469 CHAN5G(173, 5865, 0), 9470 /* If you add more, you may need to change ATH10K_MAX_5G_CHAN */ 9471 /* And you will definitely need to change ATH10K_NUM_CHANS in core.h */ 9472 }; 9473 9474 struct ath10k *ath10k_mac_create(size_t priv_size) 9475 { 9476 struct ieee80211_hw *hw; 9477 struct ieee80211_ops *ops; 9478 struct ath10k *ar; 9479 9480 ops = kmemdup(&ath10k_ops, sizeof(ath10k_ops), GFP_KERNEL); 9481 if (!ops) 9482 return NULL; 9483 9484 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, ops); 9485 if (!hw) { 9486 kfree(ops); 9487 return NULL; 9488 } 9489 9490 ar = hw->priv; 9491 ar->hw = hw; 9492 ar->ops = ops; 9493 9494 return ar; 9495 } 9496 9497 void ath10k_mac_destroy(struct ath10k *ar) 9498 { 9499 struct ieee80211_ops *ops = ar->ops; 9500 9501 ieee80211_free_hw(ar->hw); 9502 kfree(ops); 9503 } 9504 9505 static const struct ieee80211_iface_limit ath10k_if_limits[] = { 9506 { 9507 .max = 8, 9508 .types = BIT(NL80211_IFTYPE_STATION) 9509 | BIT(NL80211_IFTYPE_P2P_CLIENT) 9510 }, 9511 { 9512 .max = 3, 9513 .types = BIT(NL80211_IFTYPE_P2P_GO) 9514 }, 9515 { 9516 .max = 1, 9517 .types = BIT(NL80211_IFTYPE_P2P_DEVICE) 9518 }, 9519 { 9520 .max = 7, 9521 .types = BIT(NL80211_IFTYPE_AP) 9522 #ifdef CONFIG_MAC80211_MESH 9523 | BIT(NL80211_IFTYPE_MESH_POINT) 9524 #endif 9525 }, 9526 }; 9527 9528 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = { 9529 { 9530 .max = 8, 9531 .types = BIT(NL80211_IFTYPE_AP) 9532 #ifdef CONFIG_MAC80211_MESH 9533 | BIT(NL80211_IFTYPE_MESH_POINT) 9534 #endif 9535 }, 9536 { 9537 .max = 1, 9538 .types = BIT(NL80211_IFTYPE_STATION) 9539 }, 9540 }; 9541 9542 static const struct ieee80211_iface_combination ath10k_if_comb[] = { 9543 { 9544 .limits = ath10k_if_limits, 9545 .n_limits = ARRAY_SIZE(ath10k_if_limits), 9546 .max_interfaces = 8, 9547 .num_different_channels = 1, 9548 .beacon_int_infra_match = true, 9549 }, 9550 }; 9551 9552 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = { 9553 { 9554 .limits = ath10k_10x_if_limits, 9555 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits), 9556 .max_interfaces = 8, 9557 .num_different_channels = 1, 9558 .beacon_int_infra_match = true, 9559 .beacon_int_min_gcd = 1, 9560 #ifdef CONFIG_ATH10K_DFS_CERTIFIED 9561 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 9562 BIT(NL80211_CHAN_WIDTH_20) | 9563 BIT(NL80211_CHAN_WIDTH_40) | 9564 BIT(NL80211_CHAN_WIDTH_80), 9565 #endif 9566 }, 9567 }; 9568 9569 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = { 9570 { 9571 .max = 2, 9572 .types = BIT(NL80211_IFTYPE_STATION), 9573 }, 9574 { 9575 .max = 2, 9576 .types = BIT(NL80211_IFTYPE_AP) | 9577 #ifdef CONFIG_MAC80211_MESH 9578 BIT(NL80211_IFTYPE_MESH_POINT) | 9579 #endif 9580 BIT(NL80211_IFTYPE_P2P_CLIENT) | 9581 BIT(NL80211_IFTYPE_P2P_GO), 9582 }, 9583 { 9584 .max = 1, 9585 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 9586 }, 9587 }; 9588 9589 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = { 9590 { 9591 .max = 2, 9592 .types = BIT(NL80211_IFTYPE_STATION), 9593 }, 9594 { 9595 .max = 2, 9596 .types = BIT(NL80211_IFTYPE_P2P_CLIENT), 9597 }, 9598 { 9599 .max = 1, 9600 .types = BIT(NL80211_IFTYPE_AP) | 9601 #ifdef CONFIG_MAC80211_MESH 9602 BIT(NL80211_IFTYPE_MESH_POINT) | 9603 #endif 9604 BIT(NL80211_IFTYPE_P2P_GO), 9605 }, 9606 { 9607 .max = 1, 9608 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 9609 }, 9610 }; 9611 9612 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = { 9613 { 9614 .max = 1, 9615 .types = BIT(NL80211_IFTYPE_STATION), 9616 }, 9617 { 9618 .max = 1, 9619 .types = BIT(NL80211_IFTYPE_ADHOC), 9620 }, 9621 }; 9622 9623 /* FIXME: This is not thouroughly tested. These combinations may over- or 9624 * underestimate hw/fw capabilities. 9625 */ 9626 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = { 9627 { 9628 .limits = ath10k_tlv_if_limit, 9629 .num_different_channels = 1, 9630 .max_interfaces = 4, 9631 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), 9632 }, 9633 { 9634 .limits = ath10k_tlv_if_limit_ibss, 9635 .num_different_channels = 1, 9636 .max_interfaces = 2, 9637 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), 9638 }, 9639 }; 9640 9641 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = { 9642 { 9643 .limits = ath10k_tlv_if_limit, 9644 .num_different_channels = 1, 9645 .max_interfaces = 4, 9646 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), 9647 }, 9648 { 9649 .limits = ath10k_tlv_qcs_if_limit, 9650 .num_different_channels = 2, 9651 .max_interfaces = 4, 9652 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit), 9653 }, 9654 { 9655 .limits = ath10k_tlv_if_limit_ibss, 9656 .num_different_channels = 1, 9657 .max_interfaces = 2, 9658 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), 9659 }, 9660 }; 9661 9662 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = { 9663 { 9664 .max = 1, 9665 .types = BIT(NL80211_IFTYPE_STATION), 9666 }, 9667 { 9668 .max = 16, 9669 .types = BIT(NL80211_IFTYPE_AP) 9670 #ifdef CONFIG_MAC80211_MESH 9671 | BIT(NL80211_IFTYPE_MESH_POINT) 9672 #endif 9673 }, 9674 }; 9675 9676 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = { 9677 { 9678 .limits = ath10k_10_4_if_limits, 9679 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits), 9680 .max_interfaces = 16, 9681 .num_different_channels = 1, 9682 .beacon_int_infra_match = true, 9683 .beacon_int_min_gcd = 1, 9684 #ifdef CONFIG_ATH10K_DFS_CERTIFIED 9685 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 9686 BIT(NL80211_CHAN_WIDTH_20) | 9687 BIT(NL80211_CHAN_WIDTH_40) | 9688 BIT(NL80211_CHAN_WIDTH_80) | 9689 BIT(NL80211_CHAN_WIDTH_80P80) | 9690 BIT(NL80211_CHAN_WIDTH_160), 9691 #endif 9692 }, 9693 }; 9694 9695 static const struct 9696 ieee80211_iface_combination ath10k_10_4_bcn_int_if_comb[] = { 9697 { 9698 .limits = ath10k_10_4_if_limits, 9699 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits), 9700 .max_interfaces = 16, 9701 .num_different_channels = 1, 9702 .beacon_int_infra_match = true, 9703 .beacon_int_min_gcd = 100, 9704 #ifdef CONFIG_ATH10K_DFS_CERTIFIED 9705 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 9706 BIT(NL80211_CHAN_WIDTH_20) | 9707 BIT(NL80211_CHAN_WIDTH_40) | 9708 BIT(NL80211_CHAN_WIDTH_80) | 9709 BIT(NL80211_CHAN_WIDTH_80P80) | 9710 BIT(NL80211_CHAN_WIDTH_160), 9711 #endif 9712 }, 9713 }; 9714 9715 static void ath10k_get_arvif_iter(void *data, u8 *mac, 9716 struct ieee80211_vif *vif) 9717 { 9718 struct ath10k_vif_iter *arvif_iter = data; 9719 struct ath10k_vif *arvif = (void *)vif->drv_priv; 9720 9721 if (arvif->vdev_id == arvif_iter->vdev_id) 9722 arvif_iter->arvif = arvif; 9723 } 9724 9725 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) 9726 { 9727 struct ath10k_vif_iter arvif_iter; 9728 9729 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); 9730 arvif_iter.vdev_id = vdev_id; 9731 9732 ieee80211_iterate_active_interfaces_atomic(ar->hw, 9733 ATH10K_ITER_RESUME_FLAGS, 9734 ath10k_get_arvif_iter, 9735 &arvif_iter); 9736 if (!arvif_iter.arvif) { 9737 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id); 9738 return NULL; 9739 } 9740 9741 return arvif_iter.arvif; 9742 } 9743 9744 #define WRD_METHOD "WRDD" 9745 #define WRDD_WIFI (0x07) 9746 9747 static u32 ath10k_mac_wrdd_get_mcc(struct ath10k *ar, union acpi_object *wrdd) 9748 { 9749 union acpi_object *mcc_pkg; 9750 union acpi_object *domain_type; 9751 union acpi_object *mcc_value; 9752 u32 i; 9753 9754 if (wrdd->type != ACPI_TYPE_PACKAGE || 9755 wrdd->package.count < 2 || 9756 wrdd->package.elements[0].type != ACPI_TYPE_INTEGER || 9757 wrdd->package.elements[0].integer.value != 0) { 9758 ath10k_warn(ar, "ignoring malformed/unsupported wrdd structure\n"); 9759 return 0; 9760 } 9761 9762 for (i = 1; i < wrdd->package.count; ++i) { 9763 mcc_pkg = &wrdd->package.elements[i]; 9764 9765 if (mcc_pkg->type != ACPI_TYPE_PACKAGE) 9766 continue; 9767 if (mcc_pkg->package.count < 2) 9768 continue; 9769 if (mcc_pkg->package.elements[0].type != ACPI_TYPE_INTEGER || 9770 mcc_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) 9771 continue; 9772 9773 domain_type = &mcc_pkg->package.elements[0]; 9774 if (domain_type->integer.value != WRDD_WIFI) 9775 continue; 9776 9777 mcc_value = &mcc_pkg->package.elements[1]; 9778 return mcc_value->integer.value; 9779 } 9780 return 0; 9781 } 9782 9783 static int ath10k_mac_get_wrdd_regulatory(struct ath10k *ar, u16 *rd) 9784 { 9785 acpi_handle root_handle; 9786 acpi_handle handle; 9787 struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL}; 9788 acpi_status status; 9789 u32 alpha2_code; 9790 char alpha2[3]; 9791 9792 root_handle = ACPI_HANDLE(ar->dev); 9793 if (!root_handle) 9794 return -EOPNOTSUPP; 9795 9796 status = acpi_get_handle(root_handle, (acpi_string)WRD_METHOD, &handle); 9797 if (ACPI_FAILURE(status)) { 9798 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9799 "failed to get wrd method %d\n", status); 9800 return -EIO; 9801 } 9802 9803 status = acpi_evaluate_object(handle, NULL, NULL, &wrdd); 9804 if (ACPI_FAILURE(status)) { 9805 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9806 "failed to call wrdc %d\n", status); 9807 return -EIO; 9808 } 9809 9810 alpha2_code = ath10k_mac_wrdd_get_mcc(ar, wrdd.pointer); 9811 kfree(wrdd.pointer); 9812 if (!alpha2_code) 9813 return -EIO; 9814 9815 alpha2[0] = (alpha2_code >> 8) & 0xff; 9816 alpha2[1] = (alpha2_code >> 0) & 0xff; 9817 alpha2[2] = '\0'; 9818 9819 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9820 "regulatory hint from WRDD (alpha2-code): %s\n", alpha2); 9821 9822 *rd = ath_regd_find_country_by_name(alpha2); 9823 if (*rd == 0xffff) 9824 return -EIO; 9825 9826 *rd |= COUNTRY_ERD_FLAG; 9827 return 0; 9828 } 9829 9830 static int ath10k_mac_init_rd(struct ath10k *ar) 9831 { 9832 int ret; 9833 u16 rd; 9834 9835 ret = ath10k_mac_get_wrdd_regulatory(ar, &rd); 9836 if (ret) { 9837 ath10k_dbg(ar, ATH10K_DBG_BOOT, 9838 "fallback to eeprom programmed regulatory settings\n"); 9839 rd = ar->hw_eeprom_rd; 9840 } 9841 9842 ar->ath_common.regulatory.current_rd = rd; 9843 return 0; 9844 } 9845 9846 int ath10k_mac_register(struct ath10k *ar) 9847 { 9848 static const u32 cipher_suites[] = { 9849 WLAN_CIPHER_SUITE_WEP40, 9850 WLAN_CIPHER_SUITE_WEP104, 9851 WLAN_CIPHER_SUITE_TKIP, 9852 WLAN_CIPHER_SUITE_CCMP, 9853 9854 /* Do not add hardware supported ciphers before this line. 9855 * Allow software encryption for all chips. Don't forget to 9856 * update n_cipher_suites below. 9857 */ 9858 WLAN_CIPHER_SUITE_AES_CMAC, 9859 WLAN_CIPHER_SUITE_BIP_CMAC_256, 9860 WLAN_CIPHER_SUITE_BIP_GMAC_128, 9861 WLAN_CIPHER_SUITE_BIP_GMAC_256, 9862 9863 /* Only QCA99x0 and QCA4019 varients support GCMP-128, GCMP-256 9864 * and CCMP-256 in hardware. 9865 */ 9866 WLAN_CIPHER_SUITE_GCMP, 9867 WLAN_CIPHER_SUITE_GCMP_256, 9868 WLAN_CIPHER_SUITE_CCMP_256, 9869 }; 9870 struct ieee80211_supported_band *band; 9871 void *channels; 9872 int ret; 9873 9874 if (!is_valid_ether_addr(ar->mac_addr)) { 9875 ath10k_warn(ar, "invalid MAC address; choosing random\n"); 9876 eth_random_addr(ar->mac_addr); 9877 } 9878 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); 9879 9880 SET_IEEE80211_DEV(ar->hw, ar->dev); 9881 9882 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) + 9883 ARRAY_SIZE(ath10k_5ghz_channels)) != 9884 ATH10K_NUM_CHANS); 9885 9886 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { 9887 channels = kmemdup(ath10k_2ghz_channels, 9888 sizeof(ath10k_2ghz_channels), 9889 GFP_KERNEL); 9890 if (!channels) { 9891 ret = -ENOMEM; 9892 goto err_free; 9893 } 9894 9895 band = &ar->mac.sbands[NL80211_BAND_2GHZ]; 9896 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); 9897 band->channels = channels; 9898 9899 if (ar->hw_params.cck_rate_map_rev2) { 9900 band->n_bitrates = ath10k_g_rates_rev2_size; 9901 band->bitrates = ath10k_g_rates_rev2; 9902 } else { 9903 band->n_bitrates = ath10k_g_rates_size; 9904 band->bitrates = ath10k_g_rates; 9905 } 9906 9907 ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band; 9908 } 9909 9910 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { 9911 channels = kmemdup(ath10k_5ghz_channels, 9912 sizeof(ath10k_5ghz_channels), 9913 GFP_KERNEL); 9914 if (!channels) { 9915 ret = -ENOMEM; 9916 goto err_free; 9917 } 9918 9919 band = &ar->mac.sbands[NL80211_BAND_5GHZ]; 9920 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); 9921 band->channels = channels; 9922 band->n_bitrates = ath10k_a_rates_size; 9923 band->bitrates = ath10k_a_rates; 9924 ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band; 9925 } 9926 9927 wiphy_read_of_freq_limits(ar->hw->wiphy); 9928 ath10k_mac_setup_ht_vht_cap(ar); 9929 9930 ar->hw->wiphy->interface_modes = 9931 BIT(NL80211_IFTYPE_STATION) | 9932 BIT(NL80211_IFTYPE_AP) | 9933 BIT(NL80211_IFTYPE_MESH_POINT); 9934 9935 ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask; 9936 ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask; 9937 9938 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->normal_mode_fw.fw_file.fw_features)) 9939 ar->hw->wiphy->interface_modes |= 9940 BIT(NL80211_IFTYPE_P2P_DEVICE) | 9941 BIT(NL80211_IFTYPE_P2P_CLIENT) | 9942 BIT(NL80211_IFTYPE_P2P_GO); 9943 9944 ieee80211_hw_set(ar->hw, SIGNAL_DBM); 9945 9946 if (!test_bit(ATH10K_FW_FEATURE_NO_PS, 9947 ar->running_fw->fw_file.fw_features)) { 9948 ieee80211_hw_set(ar->hw, SUPPORTS_PS); 9949 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); 9950 } 9951 9952 ieee80211_hw_set(ar->hw, MFP_CAPABLE); 9953 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); 9954 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); 9955 ieee80211_hw_set(ar->hw, AP_LINK_PS); 9956 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT); 9957 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); 9958 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR); 9959 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK); 9960 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); 9961 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); 9962 ieee80211_hw_set(ar->hw, QUEUE_CONTROL); 9963 ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG); 9964 ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK); 9965 9966 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) 9967 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); 9968 9969 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; 9970 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 9971 9972 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) 9973 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; 9974 9975 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { 9976 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION); 9977 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW); 9978 } 9979 9980 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; 9981 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; 9982 9983 if (test_bit(WMI_SERVICE_NLO, ar->wmi.svc_map)) { 9984 ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS; 9985 ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS; 9986 ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH; 9987 ar->hw->wiphy->max_sched_scan_plans = WMI_PNO_MAX_SCHED_SCAN_PLANS; 9988 ar->hw->wiphy->max_sched_scan_plan_interval = 9989 WMI_PNO_MAX_SCHED_SCAN_PLAN_INT; 9990 ar->hw->wiphy->max_sched_scan_plan_iterations = 9991 WMI_PNO_MAX_SCHED_SCAN_PLAN_ITRNS; 9992 ar->hw->wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 9993 } 9994 9995 ar->hw->vif_data_size = sizeof(struct ath10k_vif); 9996 ar->hw->sta_data_size = sizeof(struct ath10k_sta); 9997 ar->hw->txq_data_size = sizeof(struct ath10k_txq); 9998 9999 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; 10000 10001 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) { 10002 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 10003 10004 /* Firmware delivers WPS/P2P Probe Requests frames to driver so 10005 * that userspace (e.g. wpa_supplicant/hostapd) can generate 10006 * correct Probe Responses. This is more of a hack advert.. 10007 */ 10008 ar->hw->wiphy->probe_resp_offload |= 10009 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 10010 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 10011 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 10012 } 10013 10014 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map) || 10015 test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, ar->wmi.svc_map)) { 10016 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 10017 if (test_bit(WMI_SERVICE_TDLS_WIDER_BANDWIDTH, ar->wmi.svc_map)) 10018 ieee80211_hw_set(ar->hw, TDLS_WIDER_BW); 10019 } 10020 10021 if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA, ar->wmi.svc_map)) 10022 ieee80211_hw_set(ar->hw, SUPPORTS_TDLS_BUFFER_STA); 10023 10024 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 10025 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 10026 ar->hw->wiphy->max_remain_on_channel_duration = 5000; 10027 10028 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 10029 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 10030 NL80211_FEATURE_AP_SCAN; 10031 10032 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; 10033 10034 ret = ath10k_wow_init(ar); 10035 if (ret) { 10036 ath10k_warn(ar, "failed to init wow: %d\n", ret); 10037 goto err_free; 10038 } 10039 10040 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 10041 wiphy_ext_feature_set(ar->hw->wiphy, 10042 NL80211_EXT_FEATURE_SET_SCAN_DWELL); 10043 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_AQL); 10044 10045 if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map) || 10046 test_bit(WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS, ar->wmi.svc_map)) 10047 wiphy_ext_feature_set(ar->hw->wiphy, 10048 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT); 10049 10050 if (ath10k_peer_stats_enabled(ar) || 10051 test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map)) 10052 wiphy_ext_feature_set(ar->hw->wiphy, 10053 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS); 10054 10055 if (test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) 10056 wiphy_ext_feature_set(ar->hw->wiphy, 10057 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 10058 10059 if (test_bit(WMI_SERVICE_TX_PWR_PER_PEER, ar->wmi.svc_map)) 10060 wiphy_ext_feature_set(ar->hw->wiphy, 10061 NL80211_EXT_FEATURE_STA_TX_PWR); 10062 10063 if (test_bit(WMI_SERVICE_PEER_TID_CONFIGS_SUPPORT, ar->wmi.svc_map)) { 10064 ar->hw->wiphy->tid_config_support.vif |= 10065 BIT(NL80211_TID_CONFIG_ATTR_NOACK) | 10066 BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT) | 10067 BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG) | 10068 BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL) | 10069 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE) | 10070 BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE); 10071 10072 if (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT, 10073 ar->wmi.svc_map)) { 10074 ar->hw->wiphy->tid_config_support.vif |= 10075 BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL); 10076 } 10077 10078 ar->hw->wiphy->tid_config_support.peer = 10079 ar->hw->wiphy->tid_config_support.vif; 10080 ar->hw->wiphy->max_data_retry_count = ATH10K_MAX_RETRY_COUNT; 10081 } else { 10082 ar->ops->set_tid_config = NULL; 10083 } 10084 /* 10085 * on LL hardware queues are managed entirely by the FW 10086 * so we only advertise to mac we can do the queues thing 10087 */ 10088 ar->hw->queues = IEEE80211_MAX_QUEUES; 10089 10090 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is 10091 * something that vdev_ids can't reach so that we don't stop the queue 10092 * accidentally. 10093 */ 10094 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1; 10095 10096 switch (ar->running_fw->fw_file.wmi_op_version) { 10097 case ATH10K_FW_WMI_OP_VERSION_MAIN: 10098 ar->hw->wiphy->iface_combinations = ath10k_if_comb; 10099 ar->hw->wiphy->n_iface_combinations = 10100 ARRAY_SIZE(ath10k_if_comb); 10101 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); 10102 break; 10103 case ATH10K_FW_WMI_OP_VERSION_TLV: 10104 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) { 10105 ar->hw->wiphy->iface_combinations = 10106 ath10k_tlv_qcs_if_comb; 10107 ar->hw->wiphy->n_iface_combinations = 10108 ARRAY_SIZE(ath10k_tlv_qcs_if_comb); 10109 } else { 10110 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb; 10111 ar->hw->wiphy->n_iface_combinations = 10112 ARRAY_SIZE(ath10k_tlv_if_comb); 10113 } 10114 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); 10115 break; 10116 case ATH10K_FW_WMI_OP_VERSION_10_1: 10117 case ATH10K_FW_WMI_OP_VERSION_10_2: 10118 case ATH10K_FW_WMI_OP_VERSION_10_2_4: 10119 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb; 10120 ar->hw->wiphy->n_iface_combinations = 10121 ARRAY_SIZE(ath10k_10x_if_comb); 10122 break; 10123 case ATH10K_FW_WMI_OP_VERSION_10_4: 10124 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb; 10125 ar->hw->wiphy->n_iface_combinations = 10126 ARRAY_SIZE(ath10k_10_4_if_comb); 10127 if (test_bit(WMI_SERVICE_VDEV_DIFFERENT_BEACON_INTERVAL_SUPPORT, 10128 ar->wmi.svc_map)) { 10129 ar->hw->wiphy->iface_combinations = 10130 ath10k_10_4_bcn_int_if_comb; 10131 ar->hw->wiphy->n_iface_combinations = 10132 ARRAY_SIZE(ath10k_10_4_bcn_int_if_comb); 10133 } 10134 break; 10135 case ATH10K_FW_WMI_OP_VERSION_UNSET: 10136 case ATH10K_FW_WMI_OP_VERSION_MAX: 10137 WARN_ON(1); 10138 ret = -EINVAL; 10139 goto err_free; 10140 } 10141 10142 if (ar->hw_params.dynamic_sar_support) 10143 ar->hw->wiphy->sar_capa = &ath10k_sar_capa; 10144 10145 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) 10146 ar->hw->netdev_features = NETIF_F_HW_CSUM; 10147 10148 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) { 10149 /* Init ath dfs pattern detector */ 10150 ar->ath_common.debug_mask = ATH_DBG_DFS; 10151 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common, 10152 NL80211_DFS_UNSET); 10153 10154 if (!ar->dfs_detector) 10155 ath10k_warn(ar, "failed to initialise DFS pattern detector\n"); 10156 } 10157 10158 ret = ath10k_mac_init_rd(ar); 10159 if (ret) { 10160 ath10k_err(ar, "failed to derive regdom: %d\n", ret); 10161 goto err_dfs_detector_exit; 10162 } 10163 10164 /* Disable set_coverage_class for chipsets that do not support it. */ 10165 if (!ar->hw_params.hw_ops->set_coverage_class) 10166 ar->ops->set_coverage_class = NULL; 10167 10168 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, 10169 ath10k_reg_notifier); 10170 if (ret) { 10171 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret); 10172 goto err_dfs_detector_exit; 10173 } 10174 10175 if (test_bit(WMI_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi.svc_map)) { 10176 ar->hw->wiphy->features |= 10177 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 10178 } 10179 10180 ar->hw->wiphy->cipher_suites = cipher_suites; 10181 10182 /* QCA988x and QCA6174 family chips do not support CCMP-256, GCMP-128 10183 * and GCMP-256 ciphers in hardware. Fetch number of ciphers supported 10184 * from chip specific hw_param table. 10185 */ 10186 if (!ar->hw_params.n_cipher_suites || 10187 ar->hw_params.n_cipher_suites > ARRAY_SIZE(cipher_suites)) { 10188 ath10k_err(ar, "invalid hw_params.n_cipher_suites %d\n", 10189 ar->hw_params.n_cipher_suites); 10190 ar->hw_params.n_cipher_suites = 8; 10191 } 10192 ar->hw->wiphy->n_cipher_suites = ar->hw_params.n_cipher_suites; 10193 10194 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 10195 10196 ar->hw->weight_multiplier = ATH10K_AIRTIME_WEIGHT_MULTIPLIER; 10197 10198 ret = ieee80211_register_hw(ar->hw); 10199 if (ret) { 10200 ath10k_err(ar, "failed to register ieee80211: %d\n", ret); 10201 goto err_dfs_detector_exit; 10202 } 10203 10204 if (test_bit(WMI_SERVICE_PER_PACKET_SW_ENCRYPT, ar->wmi.svc_map)) { 10205 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 10206 ar->hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 10207 } 10208 10209 if (!ath_is_world_regd(&ar->ath_common.regulatory)) { 10210 ret = regulatory_hint(ar->hw->wiphy, 10211 ar->ath_common.regulatory.alpha2); 10212 if (ret) 10213 goto err_unregister; 10214 } 10215 10216 return 0; 10217 10218 err_unregister: 10219 ieee80211_unregister_hw(ar->hw); 10220 10221 err_dfs_detector_exit: 10222 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) 10223 ar->dfs_detector->exit(ar->dfs_detector); 10224 10225 err_free: 10226 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10227 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 10228 10229 SET_IEEE80211_DEV(ar->hw, NULL); 10230 return ret; 10231 } 10232 10233 void ath10k_mac_unregister(struct ath10k *ar) 10234 { 10235 ieee80211_unregister_hw(ar->hw); 10236 10237 if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) 10238 ar->dfs_detector->exit(ar->dfs_detector); 10239 10240 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); 10241 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); 10242 10243 SET_IEEE80211_DEV(ar->hw, NULL); 10244 } 10245