1// SPDX-License-Identifier: GPL-2.0+ 2/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */ 3 4#include <linux/kernel.h> 5#include <linux/etherdevice.h> 6#include <linux/vmalloc.h> 7#include <linux/ieee80211.h> 8#include <net/cfg80211.h> 9#include <net/netlink.h> 10 11#include "cfg80211.h" 12#include "commands.h" 13#include "core.h" 14#include "util.h" 15#include "bus.h" 16 17/* Supported rates to be advertised to the cfg80211 */ 18static struct ieee80211_rate qtnf_rates_2g[] = { 19 {.bitrate = 10, .hw_value = 2, }, 20 {.bitrate = 20, .hw_value = 4, }, 21 {.bitrate = 55, .hw_value = 11, }, 22 {.bitrate = 110, .hw_value = 22, }, 23 {.bitrate = 60, .hw_value = 12, }, 24 {.bitrate = 90, .hw_value = 18, }, 25 {.bitrate = 120, .hw_value = 24, }, 26 {.bitrate = 180, .hw_value = 36, }, 27 {.bitrate = 240, .hw_value = 48, }, 28 {.bitrate = 360, .hw_value = 72, }, 29 {.bitrate = 480, .hw_value = 96, }, 30 {.bitrate = 540, .hw_value = 108, }, 31}; 32 33/* Supported rates to be advertised to the cfg80211 */ 34static struct ieee80211_rate qtnf_rates_5g[] = { 35 {.bitrate = 60, .hw_value = 12, }, 36 {.bitrate = 90, .hw_value = 18, }, 37 {.bitrate = 120, .hw_value = 24, }, 38 {.bitrate = 180, .hw_value = 36, }, 39 {.bitrate = 240, .hw_value = 48, }, 40 {.bitrate = 360, .hw_value = 72, }, 41 {.bitrate = 480, .hw_value = 96, }, 42 {.bitrate = 540, .hw_value = 108, }, 43}; 44 45/* Supported crypto cipher suits to be advertised to cfg80211 */ 46static const u32 qtnf_cipher_suites[] = { 47 WLAN_CIPHER_SUITE_TKIP, 48 WLAN_CIPHER_SUITE_CCMP, 49 WLAN_CIPHER_SUITE_AES_CMAC, 50}; 51 52/* Supported mgmt frame types to be advertised to cfg80211 */ 53static const struct ieee80211_txrx_stypes 54qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = { 55 [NL80211_IFTYPE_STATION] = { 56 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 57 BIT(IEEE80211_STYPE_AUTH >> 4), 58 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 59 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 60 BIT(IEEE80211_STYPE_AUTH >> 4), 61 }, 62 [NL80211_IFTYPE_AP] = { 63 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 64 BIT(IEEE80211_STYPE_AUTH >> 4), 65 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 66 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 67 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 68 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 69 BIT(IEEE80211_STYPE_AUTH >> 4), 70 }, 71}; 72 73static int 74qtnf_validate_iface_combinations(struct wiphy *wiphy, 75 struct qtnf_vif *change_vif, 76 enum nl80211_iftype new_type) 77{ 78 struct qtnf_wmac *mac; 79 struct qtnf_vif *vif; 80 int i; 81 int ret = 0; 82 struct iface_combination_params params = { 83 .num_different_channels = 1, 84 }; 85 86 mac = wiphy_priv(wiphy); 87 if (!mac) 88 return -EFAULT; 89 90 for (i = 0; i < QTNF_MAX_INTF; i++) { 91 vif = &mac->iflist[i]; 92 if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED) 93 params.iftype_num[vif->wdev.iftype]++; 94 } 95 96 if (change_vif) { 97 params.iftype_num[new_type]++; 98 params.iftype_num[change_vif->wdev.iftype]--; 99 } else { 100 params.iftype_num[new_type]++; 101 } 102 103 ret = cfg80211_check_combinations(wiphy, ¶ms); 104 105 if (ret) 106 return ret; 107 108 /* Check repeater interface combination: primary VIF should be STA only. 109 * STA (primary) + AP (secondary) is OK. 110 * AP (primary) + STA (secondary) is not supported. 111 */ 112 vif = qtnf_mac_get_base_vif(mac); 113 if (vif && vif->wdev.iftype == NL80211_IFTYPE_AP && 114 vif != change_vif && new_type == NL80211_IFTYPE_STATION) { 115 ret = -EINVAL; 116 pr_err("MAC%u invalid combination: AP as primary repeater interface is not supported\n", 117 mac->macid); 118 } 119 120 return ret; 121} 122 123static int 124qtnf_change_virtual_intf(struct wiphy *wiphy, 125 struct net_device *dev, 126 enum nl80211_iftype type, 127 struct vif_params *params) 128{ 129 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 130 u8 *mac_addr = NULL; 131 int use4addr = 0; 132 int ret; 133 134 ret = qtnf_validate_iface_combinations(wiphy, vif, type); 135 if (ret) { 136 pr_err("VIF%u.%u combination check: failed to set type %d\n", 137 vif->mac->macid, vif->vifid, type); 138 return ret; 139 } 140 141 if (params) { 142 mac_addr = params->macaddr; 143 use4addr = params->use_4addr; 144 } 145 146 qtnf_scan_done(vif->mac, true); 147 148 ret = qtnf_cmd_send_change_intf_type(vif, type, use4addr, mac_addr); 149 if (ret) { 150 pr_err("VIF%u.%u: failed to change type to %d\n", 151 vif->mac->macid, vif->vifid, type); 152 return ret; 153 } 154 155 vif->wdev.iftype = type; 156 return 0; 157} 158 159int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 160{ 161 struct net_device *netdev = wdev->netdev; 162 struct qtnf_vif *vif; 163 struct sk_buff *skb; 164 165 if (WARN_ON(!netdev)) 166 return -EFAULT; 167 168 vif = qtnf_netdev_get_priv(wdev->netdev); 169 170 qtnf_scan_done(vif->mac, true); 171 172 /* Stop data */ 173 netif_tx_stop_all_queues(netdev); 174 if (netif_carrier_ok(netdev)) 175 netif_carrier_off(netdev); 176 177 while ((skb = skb_dequeue(&vif->high_pri_tx_queue))) 178 dev_kfree_skb_any(skb); 179 180 cancel_work_sync(&vif->high_pri_tx_work); 181 182 if (netdev->reg_state == NETREG_REGISTERED) 183 cfg80211_unregister_netdevice(netdev); 184 185 if (qtnf_cmd_send_del_intf(vif)) 186 pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid, 187 vif->vifid); 188 189 vif->netdev->ieee80211_ptr = NULL; 190 vif->netdev = NULL; 191 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 192 193 return 0; 194} 195 196static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy, 197 const char *name, 198 unsigned char name_assign_t, 199 enum nl80211_iftype type, 200 struct vif_params *params) 201{ 202 struct qtnf_wmac *mac; 203 struct qtnf_vif *vif; 204 u8 *mac_addr = NULL; 205 int use4addr = 0; 206 int ret; 207 208 mac = wiphy_priv(wiphy); 209 210 if (!mac) 211 return ERR_PTR(-EFAULT); 212 213 ret = qtnf_validate_iface_combinations(wiphy, NULL, type); 214 if (ret) { 215 pr_err("MAC%u invalid combination: failed to add type %d\n", 216 mac->macid, type); 217 return ERR_PTR(ret); 218 } 219 220 switch (type) { 221 case NL80211_IFTYPE_STATION: 222 case NL80211_IFTYPE_AP: 223 vif = qtnf_mac_get_free_vif(mac); 224 if (!vif) { 225 pr_err("MAC%u: no free VIF available\n", mac->macid); 226 return ERR_PTR(-EFAULT); 227 } 228 229 eth_zero_addr(vif->mac_addr); 230 eth_zero_addr(vif->bssid); 231 vif->bss_priority = QTNF_DEF_BSS_PRIORITY; 232 memset(&vif->wdev, 0, sizeof(vif->wdev)); 233 vif->wdev.wiphy = wiphy; 234 vif->wdev.iftype = type; 235 break; 236 default: 237 pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type); 238 return ERR_PTR(-ENOTSUPP); 239 } 240 241 if (params) { 242 mac_addr = params->macaddr; 243 use4addr = params->use_4addr; 244 } 245 246 ret = qtnf_cmd_send_add_intf(vif, type, use4addr, mac_addr); 247 if (ret) { 248 pr_err("VIF%u.%u: failed to add VIF %pM\n", 249 mac->macid, vif->vifid, mac_addr); 250 goto err_cmd; 251 } 252 253 if (!is_valid_ether_addr(vif->mac_addr)) { 254 pr_err("VIF%u.%u: FW reported bad MAC: %pM\n", 255 mac->macid, vif->vifid, vif->mac_addr); 256 ret = -EINVAL; 257 goto error_del_vif; 258 } 259 260 ret = qtnf_core_net_attach(mac, vif, name, name_assign_t); 261 if (ret) { 262 pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid, 263 vif->vifid); 264 goto error_del_vif; 265 } 266 267 if (qtnf_hwcap_is_set(&mac->bus->hw_info, QLINK_HW_CAPAB_HW_BRIDGE)) { 268 ret = qtnf_cmd_netdev_changeupper(vif, vif->netdev->ifindex); 269 if (ret) { 270 cfg80211_unregister_netdevice(vif->netdev); 271 vif->netdev = NULL; 272 goto error_del_vif; 273 } 274 } 275 276 vif->wdev.netdev = vif->netdev; 277 return &vif->wdev; 278 279error_del_vif: 280 qtnf_cmd_send_del_intf(vif); 281err_cmd: 282 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 283 284 return ERR_PTR(ret); 285} 286 287static int qtnf_mgmt_set_appie(struct qtnf_vif *vif, 288 const struct cfg80211_beacon_data *info) 289{ 290 int ret = 0; 291 292 if (!info->beacon_ies || !info->beacon_ies_len) { 293 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, 294 NULL, 0); 295 } else { 296 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, 297 info->beacon_ies, 298 info->beacon_ies_len); 299 } 300 301 if (ret) 302 goto out; 303 304 if (!info->proberesp_ies || !info->proberesp_ies_len) { 305 ret = qtnf_cmd_send_mgmt_set_appie(vif, 306 QLINK_IE_SET_PROBE_RESP_IES, 307 NULL, 0); 308 } else { 309 ret = qtnf_cmd_send_mgmt_set_appie(vif, 310 QLINK_IE_SET_PROBE_RESP_IES, 311 info->proberesp_ies, 312 info->proberesp_ies_len); 313 } 314 315 if (ret) 316 goto out; 317 318 if (!info->assocresp_ies || !info->assocresp_ies_len) { 319 ret = qtnf_cmd_send_mgmt_set_appie(vif, 320 QLINK_IE_SET_ASSOC_RESP, 321 NULL, 0); 322 } else { 323 ret = qtnf_cmd_send_mgmt_set_appie(vif, 324 QLINK_IE_SET_ASSOC_RESP, 325 info->assocresp_ies, 326 info->assocresp_ies_len); 327 } 328 329out: 330 return ret; 331} 332 333static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev, 334 struct cfg80211_ap_update *info) 335{ 336 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 337 338 return qtnf_mgmt_set_appie(vif, &info->beacon); 339} 340 341static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev, 342 struct cfg80211_ap_settings *settings) 343{ 344 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 345 int ret; 346 347 ret = qtnf_cmd_send_start_ap(vif, settings); 348 if (ret) 349 pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid, 350 vif->vifid); 351 352 return ret; 353} 354 355static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev, 356 unsigned int link_id) 357{ 358 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 359 int ret; 360 361 qtnf_scan_done(vif->mac, true); 362 363 ret = qtnf_cmd_send_stop_ap(vif); 364 if (ret) 365 pr_err("VIF%u.%u: failed to stop AP operation in FW\n", 366 vif->mac->macid, vif->vifid); 367 368 netif_carrier_off(vif->netdev); 369 370 return ret; 371} 372 373static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed) 374{ 375 struct qtnf_wmac *mac = wiphy_priv(wiphy); 376 struct qtnf_vif *vif; 377 int ret; 378 379 vif = qtnf_mac_get_base_vif(mac); 380 if (!vif) { 381 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 382 return -EFAULT; 383 } 384 385 ret = qtnf_cmd_send_update_phy_params(mac, changed); 386 if (ret) 387 pr_err("MAC%u: failed to update PHY params\n", mac->macid); 388 389 return ret; 390} 391 392static void 393qtnf_update_mgmt_frame_registrations(struct wiphy *wiphy, 394 struct wireless_dev *wdev, 395 struct mgmt_frame_regs *upd) 396{ 397 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 398 u16 new_mask = upd->interface_stypes; 399 u16 old_mask = vif->mgmt_frames_bitmask; 400 static const struct { 401 u16 mask, qlink_type; 402 } updates[] = { 403 { 404 .mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 405 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4), 406 .qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ, 407 }, 408 { 409 .mask = BIT(IEEE80211_STYPE_AUTH >> 4), 410 .qlink_type = QLINK_MGMT_FRAME_AUTH, 411 }, 412 { 413 .mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 414 .qlink_type = QLINK_MGMT_FRAME_PROBE_REQ, 415 }, 416 { 417 .mask = BIT(IEEE80211_STYPE_ACTION >> 4), 418 .qlink_type = QLINK_MGMT_FRAME_ACTION, 419 }, 420 }; 421 unsigned int i; 422 423 if (new_mask == old_mask) 424 return; 425 426 for (i = 0; i < ARRAY_SIZE(updates); i++) { 427 u16 mask = updates[i].mask; 428 u16 qlink_frame_type = updates[i].qlink_type; 429 bool reg; 430 431 /* the ! are here due to the assoc/reassoc merge */ 432 if (!(new_mask & mask) == !(old_mask & mask)) 433 continue; 434 435 reg = new_mask & mask; 436 437 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) 438 pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n", 439 vif->mac->macid, vif->vifid, reg ? "" : "un", 440 qlink_frame_type); 441 } 442 443 vif->mgmt_frames_bitmask = new_mask; 444} 445 446static int 447qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 448 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 449{ 450 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 451 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; 452 u32 short_cookie = get_random_u32(); 453 u16 flags = 0; 454 u16 freq; 455 456 *cookie = short_cookie; 457 458 if (params->offchan) 459 flags |= QLINK_FRAME_TX_FLAG_OFFCHAN; 460 461 if (params->no_cck) 462 flags |= QLINK_FRAME_TX_FLAG_NO_CCK; 463 464 if (params->dont_wait_for_ack) 465 flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT; 466 467 /* If channel is not specified, pass "freq = 0" to tell device 468 * firmware to use current channel. 469 */ 470 if (params->chan) 471 freq = params->chan->center_freq; 472 else 473 freq = 0; 474 475 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n", 476 wdev->netdev->name, freq, 477 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da, 478 params->len, short_cookie, flags); 479 480 return qtnf_cmd_send_frame(vif, short_cookie, flags, 481 freq, params->buf, params->len); 482} 483 484static int 485qtnf_get_station(struct wiphy *wiphy, struct net_device *dev, 486 const u8 *mac, struct station_info *sinfo) 487{ 488 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 489 490 sinfo->generation = vif->generation; 491 return qtnf_cmd_get_sta_info(vif, mac, sinfo); 492} 493 494static int 495qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev, 496 int idx, u8 *mac, struct station_info *sinfo) 497{ 498 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 499 const struct qtnf_sta_node *sta_node; 500 int ret; 501 502 switch (vif->wdev.iftype) { 503 case NL80211_IFTYPE_STATION: 504 if (idx != 0 || !vif->wdev.connected) 505 return -ENOENT; 506 507 ether_addr_copy(mac, vif->bssid); 508 break; 509 case NL80211_IFTYPE_AP: 510 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx); 511 if (unlikely(!sta_node)) 512 return -ENOENT; 513 514 ether_addr_copy(mac, sta_node->mac_addr); 515 break; 516 default: 517 return -ENOTSUPP; 518 } 519 520 ret = qtnf_cmd_get_sta_info(vif, mac, sinfo); 521 522 if (vif->wdev.iftype == NL80211_IFTYPE_AP) { 523 if (ret == -ENOENT) { 524 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL); 525 sinfo->filled = 0; 526 } 527 } 528 529 sinfo->generation = vif->generation; 530 531 return ret; 532} 533 534static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev, 535 int link_id, u8 key_index, bool pairwise, 536 const u8 *mac_addr, struct key_params *params) 537{ 538 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 539 int ret; 540 541 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params); 542 if (ret) 543 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n", 544 vif->mac->macid, vif->vifid, params->cipher, key_index, 545 pairwise); 546 547 return ret; 548} 549 550static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev, 551 int link_id, u8 key_index, bool pairwise, 552 const u8 *mac_addr) 553{ 554 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 555 int ret; 556 557 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr); 558 if (ret) { 559 if (ret == -ENOENT) { 560 pr_debug("VIF%u.%u: key index %d out of bounds\n", 561 vif->mac->macid, vif->vifid, key_index); 562 } else { 563 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n", 564 vif->mac->macid, vif->vifid, 565 key_index, pairwise); 566 } 567 } 568 569 return ret; 570} 571 572static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev, 573 int link_id, u8 key_index, bool unicast, 574 bool multicast) 575{ 576 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 577 int ret; 578 579 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast); 580 if (ret) 581 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n", 582 vif->mac->macid, vif->vifid, key_index, unicast, 583 multicast); 584 585 return ret; 586} 587 588static int 589qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, 590 int link_id, u8 key_index) 591{ 592 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 593 int ret; 594 595 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index); 596 if (ret) 597 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n", 598 vif->mac->macid, vif->vifid, key_index); 599 600 return ret; 601} 602 603static int 604qtnf_change_station(struct wiphy *wiphy, struct net_device *dev, 605 const u8 *mac, struct station_parameters *params) 606{ 607 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 608 int ret; 609 610 ret = qtnf_cmd_send_change_sta(vif, mac, params); 611 if (ret) 612 pr_err("VIF%u.%u: failed to change STA %pM\n", 613 vif->mac->macid, vif->vifid, mac); 614 615 return ret; 616} 617 618static int 619qtnf_del_station(struct wiphy *wiphy, struct net_device *dev, 620 struct station_del_parameters *params) 621{ 622 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 623 int ret; 624 625 if (params->mac && 626 (vif->wdev.iftype == NL80211_IFTYPE_AP) && 627 !is_broadcast_ether_addr(params->mac) && 628 !qtnf_sta_list_lookup(&vif->sta_list, params->mac)) 629 return 0; 630 631 ret = qtnf_cmd_send_del_sta(vif, params); 632 if (ret) 633 pr_err("VIF%u.%u: failed to delete STA %pM\n", 634 vif->mac->macid, vif->vifid, params->mac); 635 636 return ret; 637} 638 639static int 640qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) 641{ 642 struct qtnf_wmac *mac = wiphy_priv(wiphy); 643 int ret; 644 645 cancel_delayed_work_sync(&mac->scan_timeout); 646 647 mac->scan_req = request; 648 649 ret = qtnf_cmd_send_scan(mac); 650 if (ret) { 651 pr_err("MAC%u: failed to start scan\n", mac->macid); 652 mac->scan_req = NULL; 653 goto out; 654 } 655 656 pr_debug("MAC%u: scan started\n", mac->macid); 657 queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout, 658 QTNF_SCAN_TIMEOUT_SEC * HZ); 659 660out: 661 return ret; 662} 663 664static int 665qtnf_connect(struct wiphy *wiphy, struct net_device *dev, 666 struct cfg80211_connect_params *sme) 667{ 668 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 669 int ret; 670 671 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) 672 return -EOPNOTSUPP; 673 674 if (sme->auth_type == NL80211_AUTHTYPE_SAE && 675 !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) { 676 pr_err("can not offload authentication to userspace\n"); 677 return -EOPNOTSUPP; 678 } 679 680 if (sme->bssid) 681 ether_addr_copy(vif->bssid, sme->bssid); 682 else 683 eth_zero_addr(vif->bssid); 684 685 ret = qtnf_cmd_send_connect(vif, sme); 686 if (ret) 687 pr_err("VIF%u.%u: failed to connect\n", 688 vif->mac->macid, vif->vifid); 689 690 return ret; 691} 692 693static int 694qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev, 695 struct cfg80211_external_auth_params *auth) 696{ 697 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 698 int ret; 699 700 if (vif->wdev.iftype == NL80211_IFTYPE_STATION && 701 !ether_addr_equal(vif->bssid, auth->bssid)) 702 pr_warn("unexpected bssid: %pM", auth->bssid); 703 704 ret = qtnf_cmd_send_external_auth(vif, auth); 705 if (ret) 706 pr_err("VIF%u.%u: failed to report external auth\n", 707 vif->mac->macid, vif->vifid); 708 709 return ret; 710} 711 712static int 713qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev, 714 u16 reason_code) 715{ 716 struct qtnf_wmac *mac = wiphy_priv(wiphy); 717 struct qtnf_vif *vif; 718 int ret = 0; 719 720 vif = qtnf_mac_get_base_vif(mac); 721 if (!vif) { 722 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 723 return -EFAULT; 724 } 725 726 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) 727 return -EOPNOTSUPP; 728 729 ret = qtnf_cmd_send_disconnect(vif, reason_code); 730 if (ret) 731 pr_err("VIF%u.%u: failed to disconnect\n", 732 mac->macid, vif->vifid); 733 734 if (vif->wdev.connected) { 735 netif_carrier_off(vif->netdev); 736 cfg80211_disconnected(vif->netdev, reason_code, 737 NULL, 0, true, GFP_KERNEL); 738 } 739 740 return ret; 741} 742 743static int 744qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev, 745 int idx, struct survey_info *survey) 746{ 747 struct qtnf_wmac *mac = wiphy_priv(wiphy); 748 struct wireless_dev *wdev = dev->ieee80211_ptr; 749 struct ieee80211_supported_band *sband; 750 const struct cfg80211_chan_def *chandef = wdev_chandef(wdev, 0); 751 struct ieee80211_channel *chan; 752 int ret; 753 754 sband = wiphy->bands[NL80211_BAND_2GHZ]; 755 if (sband && idx >= sband->n_channels) { 756 idx -= sband->n_channels; 757 sband = NULL; 758 } 759 760 if (!sband) 761 sband = wiphy->bands[NL80211_BAND_5GHZ]; 762 763 if (!sband || idx >= sband->n_channels) 764 return -ENOENT; 765 766 chan = &sband->channels[idx]; 767 survey->channel = chan; 768 survey->filled = 0x0; 769 770 if (chandef && chan == chandef->chan) 771 survey->filled = SURVEY_INFO_IN_USE; 772 773 ret = qtnf_cmd_get_chan_stats(mac, chan->center_freq, survey); 774 if (ret) 775 pr_debug("failed to get chan(%d) stats from card\n", 776 chan->hw_value); 777 778 return ret; 779} 780 781static int 782qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 783 unsigned int link_id, struct cfg80211_chan_def *chandef) 784{ 785 struct net_device *ndev = wdev->netdev; 786 struct qtnf_vif *vif; 787 int ret; 788 789 if (!ndev) 790 return -ENODEV; 791 792 vif = qtnf_netdev_get_priv(wdev->netdev); 793 794 ret = qtnf_cmd_get_channel(vif, chandef); 795 if (ret) { 796 pr_err("%s: failed to get channel: %d\n", ndev->name, ret); 797 ret = -ENODATA; 798 goto out; 799 } 800 801 if (!cfg80211_chandef_valid(chandef)) { 802 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n", 803 ndev->name, chandef->chan->center_freq, 804 chandef->center_freq1, chandef->center_freq2, 805 chandef->width); 806 ret = -ENODATA; 807 goto out; 808 } 809 810out: 811 return ret; 812} 813 814static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev, 815 struct cfg80211_csa_settings *params) 816{ 817 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 818 int ret; 819 820 pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name, 821 params->chandef.chan->hw_value, params->count, 822 params->radar_required, params->block_tx); 823 824 if (!cfg80211_chandef_valid(¶ms->chandef)) { 825 pr_err("%s: invalid channel\n", dev->name); 826 return -EINVAL; 827 } 828 829 ret = qtnf_cmd_send_chan_switch(vif, params); 830 if (ret) 831 pr_warn("%s: failed to switch to channel (%u)\n", 832 dev->name, params->chandef.chan->hw_value); 833 834 return ret; 835} 836 837static int qtnf_start_radar_detection(struct wiphy *wiphy, 838 struct net_device *ndev, 839 struct cfg80211_chan_def *chandef, 840 u32 cac_time_ms) 841{ 842 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 843 int ret; 844 845 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) 846 return -ENOTSUPP; 847 848 ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms); 849 if (ret) 850 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret); 851 852 return ret; 853} 854 855static int qtnf_set_mac_acl(struct wiphy *wiphy, 856 struct net_device *dev, 857 const struct cfg80211_acl_data *params) 858{ 859 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 860 int ret; 861 862 ret = qtnf_cmd_set_mac_acl(vif, params); 863 if (ret) 864 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret); 865 866 return ret; 867} 868 869static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 870 bool enabled, int timeout) 871{ 872 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 873 int ret; 874 875 ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY : 876 QLINK_PM_OFF, timeout); 877 if (ret) 878 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret); 879 880 return ret; 881} 882 883static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 884 int *dbm) 885{ 886 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 887 int ret; 888 889 ret = qtnf_cmd_get_tx_power(vif, dbm); 890 if (ret) 891 pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid); 892 893 return ret; 894} 895 896static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 897 enum nl80211_tx_power_setting type, int mbm) 898{ 899 struct qtnf_vif *vif; 900 int ret; 901 902 if (wdev) { 903 vif = qtnf_netdev_get_priv(wdev->netdev); 904 } else { 905 struct qtnf_wmac *mac = wiphy_priv(wiphy); 906 907 vif = qtnf_mac_get_base_vif(mac); 908 if (!vif) { 909 pr_err("MAC%u: primary VIF is not configured\n", 910 mac->macid); 911 return -EFAULT; 912 } 913 } 914 915 ret = qtnf_cmd_set_tx_power(vif, type, mbm); 916 if (ret) 917 pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid); 918 919 return ret; 920} 921 922static int qtnf_update_owe_info(struct wiphy *wiphy, struct net_device *dev, 923 struct cfg80211_update_owe_info *owe_info) 924{ 925 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 926 int ret; 927 928 if (vif->wdev.iftype != NL80211_IFTYPE_AP) 929 return -EOPNOTSUPP; 930 931 ret = qtnf_cmd_send_update_owe(vif, owe_info); 932 if (ret) 933 pr_err("VIF%u.%u: failed to update owe info\n", 934 vif->mac->macid, vif->vifid); 935 936 return ret; 937} 938 939#ifdef CONFIG_PM 940static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) 941{ 942 struct qtnf_wmac *mac = wiphy_priv(wiphy); 943 struct qtnf_vif *vif; 944 int ret = 0; 945 946 vif = qtnf_mac_get_base_vif(mac); 947 if (!vif) { 948 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 949 ret = -EFAULT; 950 goto exit; 951 } 952 953 if (!wowlan) { 954 pr_debug("WoWLAN triggers are not enabled\n"); 955 qtnf_virtual_intf_cleanup(vif->netdev); 956 goto exit; 957 } 958 959 qtnf_scan_done(vif->mac, true); 960 961 ret = qtnf_cmd_send_wowlan_set(vif, wowlan); 962 if (ret) { 963 pr_err("MAC%u: failed to set WoWLAN triggers\n", 964 mac->macid); 965 goto exit; 966 } 967 968exit: 969 return ret; 970} 971 972static int qtnf_resume(struct wiphy *wiphy) 973{ 974 struct qtnf_wmac *mac = wiphy_priv(wiphy); 975 struct qtnf_vif *vif; 976 int ret = 0; 977 978 vif = qtnf_mac_get_base_vif(mac); 979 if (!vif) { 980 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 981 return -EFAULT; 982 } 983 984 ret = qtnf_cmd_send_wowlan_set(vif, NULL); 985 if (ret) 986 pr_err("MAC%u: failed to reset WoWLAN triggers\n", 987 mac->macid); 988 989 return ret; 990} 991 992static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled) 993{ 994 struct qtnf_wmac *mac = wiphy_priv(wiphy); 995 struct qtnf_bus *bus = mac->bus; 996 997 device_set_wakeup_enable(bus->dev, enabled); 998} 999#endif 1000 1001static struct cfg80211_ops qtn_cfg80211_ops = { 1002 .add_virtual_intf = qtnf_add_virtual_intf, 1003 .change_virtual_intf = qtnf_change_virtual_intf, 1004 .del_virtual_intf = qtnf_del_virtual_intf, 1005 .start_ap = qtnf_start_ap, 1006 .change_beacon = qtnf_change_beacon, 1007 .stop_ap = qtnf_stop_ap, 1008 .set_wiphy_params = qtnf_set_wiphy_params, 1009 .update_mgmt_frame_registrations = 1010 qtnf_update_mgmt_frame_registrations, 1011 .mgmt_tx = qtnf_mgmt_tx, 1012 .change_station = qtnf_change_station, 1013 .del_station = qtnf_del_station, 1014 .get_station = qtnf_get_station, 1015 .dump_station = qtnf_dump_station, 1016 .add_key = qtnf_add_key, 1017 .del_key = qtnf_del_key, 1018 .set_default_key = qtnf_set_default_key, 1019 .set_default_mgmt_key = qtnf_set_default_mgmt_key, 1020 .scan = qtnf_scan, 1021 .connect = qtnf_connect, 1022 .external_auth = qtnf_external_auth, 1023 .disconnect = qtnf_disconnect, 1024 .dump_survey = qtnf_dump_survey, 1025 .get_channel = qtnf_get_channel, 1026 .channel_switch = qtnf_channel_switch, 1027 .start_radar_detection = qtnf_start_radar_detection, 1028 .set_mac_acl = qtnf_set_mac_acl, 1029 .set_power_mgmt = qtnf_set_power_mgmt, 1030 .get_tx_power = qtnf_get_tx_power, 1031 .set_tx_power = qtnf_set_tx_power, 1032 .update_owe_info = qtnf_update_owe_info, 1033#ifdef CONFIG_PM 1034 .suspend = qtnf_suspend, 1035 .resume = qtnf_resume, 1036 .set_wakeup = qtnf_set_wakeup, 1037#endif 1038}; 1039 1040static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy, 1041 struct regulatory_request *req) 1042{ 1043 struct qtnf_wmac *mac = wiphy_priv(wiphy); 1044 enum nl80211_band band; 1045 int ret; 1046 1047 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator, 1048 req->alpha2[0], req->alpha2[1]); 1049 1050 ret = qtnf_cmd_reg_notify(mac, req, qtnf_slave_radar_get(), 1051 qtnf_dfs_offload_get()); 1052 if (ret) { 1053 pr_err("MAC%u: failed to update region to %c%c: %d\n", 1054 mac->macid, req->alpha2[0], req->alpha2[1], ret); 1055 return; 1056 } 1057 1058 for (band = 0; band < NUM_NL80211_BANDS; ++band) { 1059 if (!wiphy->bands[band]) 1060 continue; 1061 1062 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]); 1063 if (ret) 1064 pr_err("MAC%u: failed to update band %u\n", 1065 mac->macid, band); 1066 } 1067} 1068 1069struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus, 1070 struct platform_device *pdev) 1071{ 1072 struct wiphy *wiphy; 1073 1074 if (qtnf_dfs_offload_get() && 1075 qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD)) 1076 qtn_cfg80211_ops.start_radar_detection = NULL; 1077 1078 if (!qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_PWR_MGMT)) 1079 qtn_cfg80211_ops.set_power_mgmt = NULL; 1080 1081 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac)); 1082 if (!wiphy) 1083 return NULL; 1084 1085 if (pdev) 1086 set_wiphy_dev(wiphy, &pdev->dev); 1087 else 1088 set_wiphy_dev(wiphy, bus->dev); 1089 1090 return wiphy; 1091} 1092 1093static int 1094qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info) 1095{ 1096 struct ieee80211_iface_combination *if_comb; 1097 size_t n_if_comb; 1098 u16 interface_modes = 0; 1099 size_t i, j; 1100 1101 if_comb = mac_info->if_comb; 1102 n_if_comb = mac_info->n_if_comb; 1103 1104 if (!if_comb || !n_if_comb) 1105 return -ENOENT; 1106 1107 for (i = 0; i < n_if_comb; i++) { 1108 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths; 1109 1110 for (j = 0; j < if_comb[i].n_limits; j++) 1111 interface_modes |= if_comb[i].limits[j].types; 1112 } 1113 1114 wiphy->iface_combinations = if_comb; 1115 wiphy->n_iface_combinations = n_if_comb; 1116 wiphy->interface_modes = interface_modes; 1117 1118 return 0; 1119} 1120 1121int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) 1122{ 1123 struct wiphy *wiphy = priv_to_wiphy(mac); 1124 struct qtnf_mac_info *macinfo = &mac->macinfo; 1125 int ret; 1126 bool regdomain_is_known; 1127 1128 if (!wiphy) { 1129 pr_err("invalid wiphy pointer\n"); 1130 return -EFAULT; 1131 } 1132 1133 wiphy->frag_threshold = macinfo->frag_thr; 1134 wiphy->rts_threshold = macinfo->rts_thr; 1135 wiphy->retry_short = macinfo->sretry_limit; 1136 wiphy->retry_long = macinfo->lretry_limit; 1137 wiphy->coverage_class = macinfo->coverage_class; 1138 1139 wiphy->max_scan_ssids = 1140 (macinfo->max_scan_ssids) ? macinfo->max_scan_ssids : 1; 1141 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN; 1142 wiphy->mgmt_stypes = qtnf_mgmt_stypes; 1143 wiphy->max_remain_on_channel_duration = 5000; 1144 wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs; 1145 wiphy->max_num_csa_counters = 2; 1146 1147 ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo); 1148 if (ret) 1149 goto out; 1150 1151 /* Initialize cipher suits */ 1152 wiphy->cipher_suites = qtnf_cipher_suites; 1153 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites); 1154 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 1155 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 1156 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 1157 WIPHY_FLAG_AP_UAPSD | 1158 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 1159 WIPHY_FLAG_4ADDR_STATION | 1160 WIPHY_FLAG_NETNS_OK; 1161 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 1162 1163 if (qtnf_dfs_offload_get() && 1164 qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD)) 1165 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD); 1166 1167 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_DWELL)) 1168 wiphy_ext_feature_set(wiphy, 1169 NL80211_EXT_FEATURE_SET_SCAN_DWELL); 1170 1171 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 1172 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; 1173 1174 wiphy->available_antennas_tx = macinfo->num_tx_chain; 1175 wiphy->available_antennas_rx = macinfo->num_rx_chain; 1176 1177 wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta; 1178 wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask; 1179 wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask; 1180 1181 ether_addr_copy(wiphy->perm_addr, mac->macaddr); 1182 1183 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_STA_INACT_TIMEOUT)) 1184 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 1185 1186 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR)) 1187 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 1188 1189 if (!qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_OBSS_SCAN)) 1190 wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN; 1191 1192 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SAE)) 1193 wiphy->features |= NL80211_FEATURE_SAE; 1194 1195#ifdef CONFIG_PM 1196 if (macinfo->wowlan) 1197 wiphy->wowlan = macinfo->wowlan; 1198#endif 1199 1200 regdomain_is_known = isalpha(mac->rd->alpha2[0]) && 1201 isalpha(mac->rd->alpha2[1]); 1202 1203 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_REG_UPDATE)) { 1204 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier; 1205 1206 if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') { 1207 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 1208 REGULATORY_STRICT_REG; 1209 wiphy_apply_custom_regulatory(wiphy, mac->rd); 1210 } else if (regdomain_is_known) { 1211 wiphy->regulatory_flags |= REGULATORY_STRICT_REG; 1212 } 1213 } else { 1214 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 1215 } 1216 1217 if (mac->macinfo.extended_capabilities_len) { 1218 wiphy->extended_capabilities = 1219 mac->macinfo.extended_capabilities; 1220 wiphy->extended_capabilities_mask = 1221 mac->macinfo.extended_capabilities_mask; 1222 wiphy->extended_capabilities_len = 1223 mac->macinfo.extended_capabilities_len; 1224 } 1225 1226 strscpy(wiphy->fw_version, hw_info->fw_version, 1227 sizeof(wiphy->fw_version)); 1228 wiphy->hw_version = hw_info->hw_version; 1229 1230 ret = wiphy_register(wiphy); 1231 if (ret < 0) 1232 goto out; 1233 1234 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) 1235 ret = regulatory_set_wiphy_regd(wiphy, mac->rd); 1236 else if (regdomain_is_known) 1237 ret = regulatory_hint(wiphy, mac->rd->alpha2); 1238 1239out: 1240 return ret; 1241} 1242 1243void qtnf_netdev_updown(struct net_device *ndev, bool up) 1244{ 1245 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 1246 1247 if (qtnf_cmd_send_updown_intf(vif, up)) 1248 pr_err("failed to send %s command to VIF%u.%u\n", 1249 up ? "UP" : "DOWN", vif->mac->macid, vif->vifid); 1250} 1251 1252void qtnf_virtual_intf_cleanup(struct net_device *ndev) 1253{ 1254 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 1255 struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy); 1256 1257 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) 1258 qtnf_disconnect(vif->wdev.wiphy, ndev, 1259 WLAN_REASON_DEAUTH_LEAVING); 1260 1261 qtnf_scan_done(mac, true); 1262} 1263 1264void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif) 1265{ 1266 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) 1267 cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING, 1268 NULL, 0, 1, GFP_KERNEL); 1269 1270 cfg80211_shutdown_all_interfaces(vif->wdev.wiphy); 1271} 1272 1273void qtnf_band_init_rates(struct ieee80211_supported_band *band) 1274{ 1275 switch (band->band) { 1276 case NL80211_BAND_2GHZ: 1277 band->bitrates = qtnf_rates_2g; 1278 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g); 1279 break; 1280 case NL80211_BAND_5GHZ: 1281 band->bitrates = qtnf_rates_5g; 1282 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g); 1283 break; 1284 default: 1285 band->bitrates = NULL; 1286 band->n_bitrates = 0; 1287 break; 1288 } 1289} 1290