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 */ 18 static 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 */ 34 static 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 */ 46 static 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 */ 53 static const struct ieee80211_txrx_stypes 54 qtnf_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 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 65 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 66 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 67 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 68 BIT(IEEE80211_STYPE_AUTH >> 4), 69 }, 70 }; 71 72 static int 73 qtnf_validate_iface_combinations(struct wiphy *wiphy, 74 struct qtnf_vif *change_vif, 75 enum nl80211_iftype new_type) 76 { 77 struct qtnf_wmac *mac; 78 struct qtnf_vif *vif; 79 int i; 80 int ret = 0; 81 struct iface_combination_params params = { 82 .num_different_channels = 1, 83 }; 84 85 mac = wiphy_priv(wiphy); 86 if (!mac) 87 return -EFAULT; 88 89 for (i = 0; i < QTNF_MAX_INTF; i++) { 90 vif = &mac->iflist[i]; 91 if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED) 92 params.iftype_num[vif->wdev.iftype]++; 93 } 94 95 if (change_vif) { 96 params.iftype_num[new_type]++; 97 params.iftype_num[change_vif->wdev.iftype]--; 98 } else { 99 params.iftype_num[new_type]++; 100 } 101 102 ret = cfg80211_check_combinations(wiphy, ¶ms); 103 104 return ret; 105 } 106 107 static int 108 qtnf_change_virtual_intf(struct wiphy *wiphy, 109 struct net_device *dev, 110 enum nl80211_iftype type, 111 struct vif_params *params) 112 { 113 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 114 u8 *mac_addr = NULL; 115 int use4addr = 0; 116 int ret; 117 118 ret = qtnf_validate_iface_combinations(wiphy, vif, type); 119 if (ret) { 120 pr_err("VIF%u.%u combination check: failed to set type %d\n", 121 vif->mac->macid, vif->vifid, type); 122 return ret; 123 } 124 125 if (params) { 126 mac_addr = params->macaddr; 127 use4addr = params->use_4addr; 128 } 129 130 qtnf_scan_done(vif->mac, true); 131 132 ret = qtnf_cmd_send_change_intf_type(vif, type, use4addr, mac_addr); 133 if (ret) { 134 pr_err("VIF%u.%u: failed to change type to %d\n", 135 vif->mac->macid, vif->vifid, type); 136 return ret; 137 } 138 139 vif->wdev.iftype = type; 140 return 0; 141 } 142 143 int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 144 { 145 struct net_device *netdev = wdev->netdev; 146 struct qtnf_vif *vif; 147 struct sk_buff *skb; 148 149 if (WARN_ON(!netdev)) 150 return -EFAULT; 151 152 vif = qtnf_netdev_get_priv(wdev->netdev); 153 154 qtnf_scan_done(vif->mac, true); 155 156 /* Stop data */ 157 netif_tx_stop_all_queues(netdev); 158 if (netif_carrier_ok(netdev)) 159 netif_carrier_off(netdev); 160 161 while ((skb = skb_dequeue(&vif->high_pri_tx_queue))) 162 dev_kfree_skb_any(skb); 163 164 cancel_work_sync(&vif->high_pri_tx_work); 165 166 if (netdev->reg_state == NETREG_REGISTERED) 167 unregister_netdevice(netdev); 168 169 if (qtnf_cmd_send_del_intf(vif)) 170 pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid, 171 vif->vifid); 172 173 vif->netdev->ieee80211_ptr = NULL; 174 vif->netdev = NULL; 175 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 176 177 return 0; 178 } 179 180 static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy, 181 const char *name, 182 unsigned char name_assign_t, 183 enum nl80211_iftype type, 184 struct vif_params *params) 185 { 186 struct qtnf_wmac *mac; 187 struct qtnf_vif *vif; 188 u8 *mac_addr = NULL; 189 int use4addr = 0; 190 int ret; 191 192 mac = wiphy_priv(wiphy); 193 194 if (!mac) 195 return ERR_PTR(-EFAULT); 196 197 ret = qtnf_validate_iface_combinations(wiphy, NULL, type); 198 if (ret) { 199 pr_err("MAC%u invalid combination: failed to add type %d\n", 200 mac->macid, type); 201 return ERR_PTR(ret); 202 } 203 204 switch (type) { 205 case NL80211_IFTYPE_STATION: 206 case NL80211_IFTYPE_AP: 207 vif = qtnf_mac_get_free_vif(mac); 208 if (!vif) { 209 pr_err("MAC%u: no free VIF available\n", mac->macid); 210 return ERR_PTR(-EFAULT); 211 } 212 213 eth_zero_addr(vif->mac_addr); 214 eth_zero_addr(vif->bssid); 215 vif->bss_priority = QTNF_DEF_BSS_PRIORITY; 216 memset(&vif->wdev, 0, sizeof(vif->wdev)); 217 vif->wdev.wiphy = wiphy; 218 vif->wdev.iftype = type; 219 break; 220 default: 221 pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type); 222 return ERR_PTR(-ENOTSUPP); 223 } 224 225 if (params) { 226 mac_addr = params->macaddr; 227 use4addr = params->use_4addr; 228 } 229 230 ret = qtnf_cmd_send_add_intf(vif, type, use4addr, mac_addr); 231 if (ret) { 232 pr_err("VIF%u.%u: failed to add VIF %pM\n", 233 mac->macid, vif->vifid, mac_addr); 234 goto err_cmd; 235 } 236 237 if (!is_valid_ether_addr(vif->mac_addr)) { 238 pr_err("VIF%u.%u: FW reported bad MAC: %pM\n", 239 mac->macid, vif->vifid, vif->mac_addr); 240 ret = -EINVAL; 241 goto error_del_vif; 242 } 243 244 ret = qtnf_core_net_attach(mac, vif, name, name_assign_t); 245 if (ret) { 246 pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid, 247 vif->vifid); 248 goto error_del_vif; 249 } 250 251 if (mac->bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE) { 252 ret = qtnf_cmd_netdev_changeupper(vif, vif->netdev->ifindex); 253 if (ret) { 254 unregister_netdevice(vif->netdev); 255 vif->netdev = NULL; 256 goto error_del_vif; 257 } 258 } 259 260 vif->wdev.netdev = vif->netdev; 261 return &vif->wdev; 262 263 error_del_vif: 264 qtnf_cmd_send_del_intf(vif); 265 err_cmd: 266 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 267 268 return ERR_PTR(ret); 269 } 270 271 static int qtnf_mgmt_set_appie(struct qtnf_vif *vif, 272 const struct cfg80211_beacon_data *info) 273 { 274 int ret = 0; 275 276 if (!info->beacon_ies || !info->beacon_ies_len) { 277 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, 278 NULL, 0); 279 } else { 280 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, 281 info->beacon_ies, 282 info->beacon_ies_len); 283 } 284 285 if (ret) 286 goto out; 287 288 if (!info->proberesp_ies || !info->proberesp_ies_len) { 289 ret = qtnf_cmd_send_mgmt_set_appie(vif, 290 QLINK_IE_SET_PROBE_RESP_IES, 291 NULL, 0); 292 } else { 293 ret = qtnf_cmd_send_mgmt_set_appie(vif, 294 QLINK_IE_SET_PROBE_RESP_IES, 295 info->proberesp_ies, 296 info->proberesp_ies_len); 297 } 298 299 if (ret) 300 goto out; 301 302 if (!info->assocresp_ies || !info->assocresp_ies_len) { 303 ret = qtnf_cmd_send_mgmt_set_appie(vif, 304 QLINK_IE_SET_ASSOC_RESP, 305 NULL, 0); 306 } else { 307 ret = qtnf_cmd_send_mgmt_set_appie(vif, 308 QLINK_IE_SET_ASSOC_RESP, 309 info->assocresp_ies, 310 info->assocresp_ies_len); 311 } 312 313 out: 314 return ret; 315 } 316 317 static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev, 318 struct cfg80211_beacon_data *info) 319 { 320 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 321 322 return qtnf_mgmt_set_appie(vif, info); 323 } 324 325 static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev, 326 struct cfg80211_ap_settings *settings) 327 { 328 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 329 int ret; 330 331 ret = qtnf_cmd_send_start_ap(vif, settings); 332 if (ret) 333 pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid, 334 vif->vifid); 335 336 return ret; 337 } 338 339 static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev) 340 { 341 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 342 int ret; 343 344 qtnf_scan_done(vif->mac, true); 345 346 ret = qtnf_cmd_send_stop_ap(vif); 347 if (ret) 348 pr_err("VIF%u.%u: failed to stop AP operation in FW\n", 349 vif->mac->macid, vif->vifid); 350 351 netif_carrier_off(vif->netdev); 352 353 return ret; 354 } 355 356 static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed) 357 { 358 struct qtnf_wmac *mac = wiphy_priv(wiphy); 359 struct qtnf_vif *vif; 360 int ret; 361 362 vif = qtnf_mac_get_base_vif(mac); 363 if (!vif) { 364 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 365 return -EFAULT; 366 } 367 368 ret = qtnf_cmd_send_update_phy_params(mac, changed); 369 if (ret) 370 pr_err("MAC%u: failed to update PHY params\n", mac->macid); 371 372 return ret; 373 } 374 375 static void 376 qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev, 377 u16 frame_type, bool reg) 378 { 379 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 380 u16 mgmt_type; 381 u16 new_mask; 382 u16 qlink_frame_type = 0; 383 384 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; 385 386 if (reg) 387 new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type); 388 else 389 new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type); 390 391 if (new_mask == vif->mgmt_frames_bitmask) 392 return; 393 394 switch (frame_type & IEEE80211_FCTL_STYPE) { 395 case IEEE80211_STYPE_REASSOC_REQ: 396 case IEEE80211_STYPE_ASSOC_REQ: 397 qlink_frame_type = QLINK_MGMT_FRAME_ASSOC_REQ; 398 break; 399 case IEEE80211_STYPE_AUTH: 400 qlink_frame_type = QLINK_MGMT_FRAME_AUTH; 401 break; 402 case IEEE80211_STYPE_PROBE_REQ: 403 qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ; 404 break; 405 case IEEE80211_STYPE_ACTION: 406 qlink_frame_type = QLINK_MGMT_FRAME_ACTION; 407 break; 408 default: 409 pr_warn("VIF%u.%u: unsupported frame type: %X\n", 410 vif->mac->macid, vif->vifid, 411 (frame_type & IEEE80211_FCTL_STYPE) >> 4); 412 return; 413 } 414 415 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) { 416 pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n", 417 vif->mac->macid, vif->vifid, reg ? "" : "un", 418 frame_type); 419 return; 420 } 421 422 vif->mgmt_frames_bitmask = new_mask; 423 pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n", 424 vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type); 425 } 426 427 static int 428 qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 429 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 430 { 431 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 432 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; 433 u32 short_cookie = prandom_u32(); 434 u16 flags = 0; 435 u16 freq; 436 437 *cookie = short_cookie; 438 439 if (params->offchan) 440 flags |= QLINK_FRAME_TX_FLAG_OFFCHAN; 441 442 if (params->no_cck) 443 flags |= QLINK_FRAME_TX_FLAG_NO_CCK; 444 445 if (params->dont_wait_for_ack) 446 flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT; 447 448 /* If channel is not specified, pass "freq = 0" to tell device 449 * firmware to use current channel. 450 */ 451 if (params->chan) 452 freq = params->chan->center_freq; 453 else 454 freq = 0; 455 456 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n", 457 wdev->netdev->name, freq, 458 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da, 459 params->len, short_cookie, flags); 460 461 return qtnf_cmd_send_frame(vif, short_cookie, flags, 462 freq, params->buf, params->len); 463 } 464 465 static int 466 qtnf_get_station(struct wiphy *wiphy, struct net_device *dev, 467 const u8 *mac, struct station_info *sinfo) 468 { 469 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 470 471 sinfo->generation = vif->generation; 472 return qtnf_cmd_get_sta_info(vif, mac, sinfo); 473 } 474 475 static int 476 qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev, 477 int idx, u8 *mac, struct station_info *sinfo) 478 { 479 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 480 const struct qtnf_sta_node *sta_node; 481 int ret; 482 483 switch (vif->wdev.iftype) { 484 case NL80211_IFTYPE_STATION: 485 if (idx != 0 || !vif->wdev.current_bss) 486 return -ENOENT; 487 488 ether_addr_copy(mac, vif->bssid); 489 break; 490 case NL80211_IFTYPE_AP: 491 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx); 492 if (unlikely(!sta_node)) 493 return -ENOENT; 494 495 ether_addr_copy(mac, sta_node->mac_addr); 496 break; 497 default: 498 return -ENOTSUPP; 499 } 500 501 ret = qtnf_cmd_get_sta_info(vif, mac, sinfo); 502 503 if (vif->wdev.iftype == NL80211_IFTYPE_AP) { 504 if (ret == -ENOENT) { 505 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL); 506 sinfo->filled = 0; 507 } 508 } 509 510 sinfo->generation = vif->generation; 511 512 return ret; 513 } 514 515 static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev, 516 u8 key_index, bool pairwise, const u8 *mac_addr, 517 struct key_params *params) 518 { 519 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 520 int ret; 521 522 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params); 523 if (ret) 524 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n", 525 vif->mac->macid, vif->vifid, params->cipher, key_index, 526 pairwise); 527 528 return ret; 529 } 530 531 static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev, 532 u8 key_index, bool pairwise, const u8 *mac_addr) 533 { 534 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 535 int ret; 536 537 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr); 538 if (ret) { 539 if (ret == -ENOENT) { 540 pr_debug("VIF%u.%u: key index %d out of bounds\n", 541 vif->mac->macid, vif->vifid, key_index); 542 } else { 543 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n", 544 vif->mac->macid, vif->vifid, 545 key_index, pairwise); 546 } 547 } 548 549 return ret; 550 } 551 552 static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev, 553 u8 key_index, bool unicast, bool multicast) 554 { 555 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 556 int ret; 557 558 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast); 559 if (ret) 560 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n", 561 vif->mac->macid, vif->vifid, key_index, unicast, 562 multicast); 563 564 return ret; 565 } 566 567 static int 568 qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, 569 u8 key_index) 570 { 571 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 572 int ret; 573 574 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index); 575 if (ret) 576 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n", 577 vif->mac->macid, vif->vifid, key_index); 578 579 return ret; 580 } 581 582 static int 583 qtnf_change_station(struct wiphy *wiphy, struct net_device *dev, 584 const u8 *mac, struct station_parameters *params) 585 { 586 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 587 int ret; 588 589 ret = qtnf_cmd_send_change_sta(vif, mac, params); 590 if (ret) 591 pr_err("VIF%u.%u: failed to change STA %pM\n", 592 vif->mac->macid, vif->vifid, mac); 593 594 return ret; 595 } 596 597 static int 598 qtnf_del_station(struct wiphy *wiphy, struct net_device *dev, 599 struct station_del_parameters *params) 600 { 601 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 602 int ret; 603 604 if (params->mac && 605 (vif->wdev.iftype == NL80211_IFTYPE_AP) && 606 !is_broadcast_ether_addr(params->mac) && 607 !qtnf_sta_list_lookup(&vif->sta_list, params->mac)) 608 return 0; 609 610 ret = qtnf_cmd_send_del_sta(vif, params); 611 if (ret) 612 pr_err("VIF%u.%u: failed to delete STA %pM\n", 613 vif->mac->macid, vif->vifid, params->mac); 614 615 return ret; 616 } 617 618 static int 619 qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) 620 { 621 struct qtnf_wmac *mac = wiphy_priv(wiphy); 622 int ret; 623 624 cancel_delayed_work_sync(&mac->scan_timeout); 625 626 mac->scan_req = request; 627 628 ret = qtnf_cmd_send_scan(mac); 629 if (ret) { 630 pr_err("MAC%u: failed to start scan\n", mac->macid); 631 mac->scan_req = NULL; 632 goto out; 633 } 634 635 pr_debug("MAC%u: scan started\n", mac->macid); 636 queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout, 637 QTNF_SCAN_TIMEOUT_SEC * HZ); 638 639 out: 640 return ret; 641 } 642 643 static int 644 qtnf_connect(struct wiphy *wiphy, struct net_device *dev, 645 struct cfg80211_connect_params *sme) 646 { 647 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 648 int ret; 649 650 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) 651 return -EOPNOTSUPP; 652 653 if (sme->auth_type == NL80211_AUTHTYPE_SAE && 654 !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) { 655 pr_err("can not offload authentication to userspace\n"); 656 return -EOPNOTSUPP; 657 } 658 659 if (sme->bssid) 660 ether_addr_copy(vif->bssid, sme->bssid); 661 else 662 eth_zero_addr(vif->bssid); 663 664 ret = qtnf_cmd_send_connect(vif, sme); 665 if (ret) { 666 pr_err("VIF%u.%u: failed to connect\n", 667 vif->mac->macid, vif->vifid); 668 goto out; 669 } 670 671 out: 672 return ret; 673 } 674 675 static int 676 qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev, 677 struct cfg80211_external_auth_params *auth) 678 { 679 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 680 int ret; 681 682 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) 683 return -EOPNOTSUPP; 684 685 if (!ether_addr_equal(vif->bssid, auth->bssid)) 686 pr_warn("unexpected bssid: %pM", auth->bssid); 687 688 ret = qtnf_cmd_send_external_auth(vif, auth); 689 if (ret) { 690 pr_err("VIF%u.%u: failed to report external auth\n", 691 vif->mac->macid, vif->vifid); 692 goto out; 693 } 694 695 out: 696 return ret; 697 } 698 699 static int 700 qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev, 701 u16 reason_code) 702 { 703 struct qtnf_wmac *mac = wiphy_priv(wiphy); 704 struct qtnf_vif *vif; 705 int ret = 0; 706 707 vif = qtnf_mac_get_base_vif(mac); 708 if (!vif) { 709 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 710 return -EFAULT; 711 } 712 713 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) { 714 ret = -EOPNOTSUPP; 715 goto out; 716 } 717 718 ret = qtnf_cmd_send_disconnect(vif, reason_code); 719 if (ret) 720 pr_err("VIF%u.%u: failed to disconnect\n", 721 mac->macid, vif->vifid); 722 723 if (vif->wdev.current_bss) { 724 netif_carrier_off(vif->netdev); 725 cfg80211_disconnected(vif->netdev, reason_code, 726 NULL, 0, true, GFP_KERNEL); 727 } 728 729 out: 730 return ret; 731 } 732 733 static int 734 qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev, 735 int idx, struct survey_info *survey) 736 { 737 struct qtnf_wmac *mac = wiphy_priv(wiphy); 738 struct wireless_dev *wdev = dev->ieee80211_ptr; 739 struct ieee80211_supported_band *sband; 740 const struct cfg80211_chan_def *chandef = &wdev->chandef; 741 struct ieee80211_channel *chan; 742 struct qtnf_chan_stats stats; 743 int ret; 744 745 sband = wiphy->bands[NL80211_BAND_2GHZ]; 746 if (sband && idx >= sband->n_channels) { 747 idx -= sband->n_channels; 748 sband = NULL; 749 } 750 751 if (!sband) 752 sband = wiphy->bands[NL80211_BAND_5GHZ]; 753 754 if (!sband || idx >= sband->n_channels) 755 return -ENOENT; 756 757 chan = &sband->channels[idx]; 758 memset(&stats, 0, sizeof(stats)); 759 760 survey->channel = chan; 761 survey->filled = 0x0; 762 763 if (chandef->chan) { 764 if (chan->hw_value == chandef->chan->hw_value) 765 survey->filled = SURVEY_INFO_IN_USE; 766 } 767 768 ret = qtnf_cmd_get_chan_stats(mac, chan->hw_value, &stats); 769 switch (ret) { 770 case 0: 771 if (unlikely(stats.chan_num != chan->hw_value)) { 772 pr_err("received stats for channel %d instead of %d\n", 773 stats.chan_num, chan->hw_value); 774 ret = -EINVAL; 775 break; 776 } 777 778 survey->filled |= SURVEY_INFO_TIME | 779 SURVEY_INFO_TIME_SCAN | 780 SURVEY_INFO_TIME_BUSY | 781 SURVEY_INFO_TIME_RX | 782 SURVEY_INFO_TIME_TX | 783 SURVEY_INFO_NOISE_DBM; 784 785 survey->time_scan = stats.cca_try; 786 survey->time = stats.cca_try; 787 survey->time_tx = stats.cca_tx; 788 survey->time_rx = stats.cca_rx; 789 survey->time_busy = stats.cca_busy; 790 survey->noise = stats.chan_noise; 791 break; 792 case -ENOENT: 793 pr_debug("no stats for channel %u\n", chan->hw_value); 794 ret = 0; 795 break; 796 default: 797 pr_debug("failed to get chan(%d) stats from card\n", 798 chan->hw_value); 799 break; 800 } 801 802 return ret; 803 } 804 805 static int 806 qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 807 struct cfg80211_chan_def *chandef) 808 { 809 struct net_device *ndev = wdev->netdev; 810 struct qtnf_vif *vif; 811 int ret; 812 813 if (!ndev) 814 return -ENODEV; 815 816 vif = qtnf_netdev_get_priv(wdev->netdev); 817 818 ret = qtnf_cmd_get_channel(vif, chandef); 819 if (ret) { 820 pr_err("%s: failed to get channel: %d\n", ndev->name, ret); 821 ret = -ENODATA; 822 goto out; 823 } 824 825 if (!cfg80211_chandef_valid(chandef)) { 826 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n", 827 ndev->name, chandef->chan->center_freq, 828 chandef->center_freq1, chandef->center_freq2, 829 chandef->width); 830 ret = -ENODATA; 831 goto out; 832 } 833 834 out: 835 return ret; 836 } 837 838 static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev, 839 struct cfg80211_csa_settings *params) 840 { 841 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 842 int ret; 843 844 pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name, 845 params->chandef.chan->hw_value, params->count, 846 params->radar_required, params->block_tx); 847 848 if (!cfg80211_chandef_valid(¶ms->chandef)) { 849 pr_err("%s: invalid channel\n", dev->name); 850 return -EINVAL; 851 } 852 853 ret = qtnf_cmd_send_chan_switch(vif, params); 854 if (ret) 855 pr_warn("%s: failed to switch to channel (%u)\n", 856 dev->name, params->chandef.chan->hw_value); 857 858 return ret; 859 } 860 861 static int qtnf_start_radar_detection(struct wiphy *wiphy, 862 struct net_device *ndev, 863 struct cfg80211_chan_def *chandef, 864 u32 cac_time_ms) 865 { 866 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 867 int ret; 868 869 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) 870 return -ENOTSUPP; 871 872 ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms); 873 if (ret) 874 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret); 875 876 return ret; 877 } 878 879 static int qtnf_set_mac_acl(struct wiphy *wiphy, 880 struct net_device *dev, 881 const struct cfg80211_acl_data *params) 882 { 883 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 884 int ret; 885 886 ret = qtnf_cmd_set_mac_acl(vif, params); 887 if (ret) 888 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret); 889 890 return ret; 891 } 892 893 static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 894 bool enabled, int timeout) 895 { 896 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 897 int ret; 898 899 ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY : 900 QLINK_PM_OFF, timeout); 901 if (ret) 902 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret); 903 904 return ret; 905 } 906 907 static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 908 int *dbm) 909 { 910 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 911 int ret; 912 913 ret = qtnf_cmd_get_tx_power(vif, dbm); 914 if (ret) 915 pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid); 916 917 return ret; 918 } 919 920 static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 921 enum nl80211_tx_power_setting type, int mbm) 922 { 923 struct qtnf_vif *vif; 924 int ret; 925 926 if (wdev) { 927 vif = qtnf_netdev_get_priv(wdev->netdev); 928 } else { 929 struct qtnf_wmac *mac = wiphy_priv(wiphy); 930 931 vif = qtnf_mac_get_base_vif(mac); 932 if (!vif) { 933 pr_err("MAC%u: primary VIF is not configured\n", 934 mac->macid); 935 return -EFAULT; 936 } 937 } 938 939 ret = qtnf_cmd_set_tx_power(vif, type, mbm); 940 if (ret) 941 pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid); 942 943 return ret; 944 } 945 946 #ifdef CONFIG_PM 947 static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) 948 { 949 struct qtnf_wmac *mac = wiphy_priv(wiphy); 950 struct qtnf_vif *vif; 951 int ret = 0; 952 953 vif = qtnf_mac_get_base_vif(mac); 954 if (!vif) { 955 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 956 ret = -EFAULT; 957 goto exit; 958 } 959 960 if (!wowlan) { 961 pr_debug("WoWLAN triggers are not enabled\n"); 962 qtnf_virtual_intf_cleanup(vif->netdev); 963 goto exit; 964 } 965 966 qtnf_scan_done(vif->mac, true); 967 968 ret = qtnf_cmd_send_wowlan_set(vif, wowlan); 969 if (ret) { 970 pr_err("MAC%u: failed to set WoWLAN triggers\n", 971 mac->macid); 972 goto exit; 973 } 974 975 exit: 976 return ret; 977 } 978 979 static int qtnf_resume(struct wiphy *wiphy) 980 { 981 struct qtnf_wmac *mac = wiphy_priv(wiphy); 982 struct qtnf_vif *vif; 983 int ret = 0; 984 985 vif = qtnf_mac_get_base_vif(mac); 986 if (!vif) { 987 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 988 ret = -EFAULT; 989 goto exit; 990 } 991 992 ret = qtnf_cmd_send_wowlan_set(vif, NULL); 993 if (ret) { 994 pr_err("MAC%u: failed to reset WoWLAN triggers\n", 995 mac->macid); 996 goto exit; 997 } 998 999 exit: 1000 return ret; 1001 } 1002 1003 static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled) 1004 { 1005 struct qtnf_wmac *mac = wiphy_priv(wiphy); 1006 struct qtnf_bus *bus = mac->bus; 1007 1008 device_set_wakeup_enable(bus->dev, enabled); 1009 } 1010 #endif 1011 1012 static struct cfg80211_ops qtn_cfg80211_ops = { 1013 .add_virtual_intf = qtnf_add_virtual_intf, 1014 .change_virtual_intf = qtnf_change_virtual_intf, 1015 .del_virtual_intf = qtnf_del_virtual_intf, 1016 .start_ap = qtnf_start_ap, 1017 .change_beacon = qtnf_change_beacon, 1018 .stop_ap = qtnf_stop_ap, 1019 .set_wiphy_params = qtnf_set_wiphy_params, 1020 .mgmt_frame_register = qtnf_mgmt_frame_register, 1021 .mgmt_tx = qtnf_mgmt_tx, 1022 .change_station = qtnf_change_station, 1023 .del_station = qtnf_del_station, 1024 .get_station = qtnf_get_station, 1025 .dump_station = qtnf_dump_station, 1026 .add_key = qtnf_add_key, 1027 .del_key = qtnf_del_key, 1028 .set_default_key = qtnf_set_default_key, 1029 .set_default_mgmt_key = qtnf_set_default_mgmt_key, 1030 .scan = qtnf_scan, 1031 .connect = qtnf_connect, 1032 .external_auth = qtnf_external_auth, 1033 .disconnect = qtnf_disconnect, 1034 .dump_survey = qtnf_dump_survey, 1035 .get_channel = qtnf_get_channel, 1036 .channel_switch = qtnf_channel_switch, 1037 .start_radar_detection = qtnf_start_radar_detection, 1038 .set_mac_acl = qtnf_set_mac_acl, 1039 .set_power_mgmt = qtnf_set_power_mgmt, 1040 .get_tx_power = qtnf_get_tx_power, 1041 .set_tx_power = qtnf_set_tx_power, 1042 #ifdef CONFIG_PM 1043 .suspend = qtnf_suspend, 1044 .resume = qtnf_resume, 1045 .set_wakeup = qtnf_set_wakeup, 1046 #endif 1047 }; 1048 1049 static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy, 1050 struct regulatory_request *req) 1051 { 1052 struct qtnf_wmac *mac = wiphy_priv(wiphy); 1053 enum nl80211_band band; 1054 int ret; 1055 1056 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator, 1057 req->alpha2[0], req->alpha2[1]); 1058 1059 ret = qtnf_cmd_reg_notify(mac, req, qtnf_mac_slave_radar_get(wiphy)); 1060 if (ret) { 1061 pr_err("MAC%u: failed to update region to %c%c: %d\n", 1062 mac->macid, req->alpha2[0], req->alpha2[1], ret); 1063 return; 1064 } 1065 1066 for (band = 0; band < NUM_NL80211_BANDS; ++band) { 1067 if (!wiphy->bands[band]) 1068 continue; 1069 1070 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]); 1071 if (ret) 1072 pr_err("MAC%u: failed to update band %u\n", 1073 mac->macid, band); 1074 } 1075 } 1076 1077 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus) 1078 { 1079 struct wiphy *wiphy; 1080 1081 if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD) 1082 qtn_cfg80211_ops.start_radar_detection = NULL; 1083 1084 if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_PWR_MGMT)) 1085 qtn_cfg80211_ops.set_power_mgmt = NULL; 1086 1087 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac)); 1088 if (!wiphy) 1089 return NULL; 1090 1091 set_wiphy_dev(wiphy, bus->dev); 1092 1093 return wiphy; 1094 } 1095 1096 static int 1097 qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info) 1098 { 1099 struct ieee80211_iface_combination *if_comb; 1100 size_t n_if_comb; 1101 u16 interface_modes = 0; 1102 size_t i, j; 1103 1104 if_comb = mac_info->if_comb; 1105 n_if_comb = mac_info->n_if_comb; 1106 1107 if (!if_comb || !n_if_comb) 1108 return -ENOENT; 1109 1110 for (i = 0; i < n_if_comb; i++) { 1111 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths; 1112 1113 for (j = 0; j < if_comb[i].n_limits; j++) 1114 interface_modes |= if_comb[i].limits[j].types; 1115 } 1116 1117 wiphy->iface_combinations = if_comb; 1118 wiphy->n_iface_combinations = n_if_comb; 1119 wiphy->interface_modes = interface_modes; 1120 1121 return 0; 1122 } 1123 1124 int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) 1125 { 1126 struct wiphy *wiphy = priv_to_wiphy(mac); 1127 struct qtnf_mac_info *macinfo = &mac->macinfo; 1128 int ret; 1129 bool regdomain_is_known; 1130 1131 if (!wiphy) { 1132 pr_err("invalid wiphy pointer\n"); 1133 return -EFAULT; 1134 } 1135 1136 wiphy->frag_threshold = macinfo->frag_thr; 1137 wiphy->rts_threshold = macinfo->rts_thr; 1138 wiphy->retry_short = macinfo->sretry_limit; 1139 wiphy->retry_long = macinfo->lretry_limit; 1140 wiphy->coverage_class = macinfo->coverage_class; 1141 1142 wiphy->max_scan_ssids = 1143 (hw_info->max_scan_ssids) ? hw_info->max_scan_ssids : 1; 1144 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN; 1145 wiphy->mgmt_stypes = qtnf_mgmt_stypes; 1146 wiphy->max_remain_on_channel_duration = 5000; 1147 wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs; 1148 wiphy->max_num_csa_counters = 2; 1149 1150 ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo); 1151 if (ret) 1152 goto out; 1153 1154 /* Initialize cipher suits */ 1155 wiphy->cipher_suites = qtnf_cipher_suites; 1156 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites); 1157 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 1158 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 1159 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 1160 WIPHY_FLAG_AP_UAPSD | 1161 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 1162 WIPHY_FLAG_4ADDR_STATION | 1163 WIPHY_FLAG_NETNS_OK; 1164 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 1165 1166 if (hw_info->hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD) 1167 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD); 1168 1169 if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_DWELL) 1170 wiphy_ext_feature_set(wiphy, 1171 NL80211_EXT_FEATURE_SET_SCAN_DWELL); 1172 1173 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 1174 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; 1175 1176 wiphy->available_antennas_tx = macinfo->num_tx_chain; 1177 wiphy->available_antennas_rx = macinfo->num_rx_chain; 1178 1179 wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta; 1180 wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask; 1181 wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask; 1182 1183 ether_addr_copy(wiphy->perm_addr, mac->macaddr); 1184 1185 if (hw_info->hw_capab & QLINK_HW_CAPAB_STA_INACT_TIMEOUT) 1186 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 1187 1188 if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR) 1189 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 1190 1191 if (!(hw_info->hw_capab & QLINK_HW_CAPAB_OBSS_SCAN)) 1192 wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN; 1193 1194 if (hw_info->hw_capab & QLINK_HW_CAPAB_SAE) 1195 wiphy->features |= NL80211_FEATURE_SAE; 1196 1197 #ifdef CONFIG_PM 1198 if (macinfo->wowlan) 1199 wiphy->wowlan = macinfo->wowlan; 1200 #endif 1201 1202 regdomain_is_known = isalpha(mac->rd->alpha2[0]) && 1203 isalpha(mac->rd->alpha2[1]); 1204 1205 if (hw_info->hw_capab & QLINK_HW_CAPAB_REG_UPDATE) { 1206 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier; 1207 1208 if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') { 1209 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 1210 REGULATORY_STRICT_REG; 1211 wiphy_apply_custom_regulatory(wiphy, mac->rd); 1212 } else if (regdomain_is_known) { 1213 wiphy->regulatory_flags |= REGULATORY_STRICT_REG; 1214 } 1215 } else { 1216 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 1217 } 1218 1219 if (mac->macinfo.extended_capabilities_len) { 1220 wiphy->extended_capabilities = 1221 mac->macinfo.extended_capabilities; 1222 wiphy->extended_capabilities_mask = 1223 mac->macinfo.extended_capabilities_mask; 1224 wiphy->extended_capabilities_len = 1225 mac->macinfo.extended_capabilities_len; 1226 } 1227 1228 strlcpy(wiphy->fw_version, hw_info->fw_version, 1229 sizeof(wiphy->fw_version)); 1230 wiphy->hw_version = hw_info->hw_version; 1231 1232 ret = wiphy_register(wiphy); 1233 if (ret < 0) 1234 goto out; 1235 1236 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) 1237 ret = regulatory_set_wiphy_regd(wiphy, mac->rd); 1238 else if (regdomain_is_known) 1239 ret = regulatory_hint(wiphy, mac->rd->alpha2); 1240 1241 out: 1242 return ret; 1243 } 1244 1245 void qtnf_netdev_updown(struct net_device *ndev, bool up) 1246 { 1247 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 1248 1249 if (qtnf_cmd_send_updown_intf(vif, up)) 1250 pr_err("failed to send %s command to VIF%u.%u\n", 1251 up ? "UP" : "DOWN", vif->mac->macid, vif->vifid); 1252 } 1253 1254 void qtnf_virtual_intf_cleanup(struct net_device *ndev) 1255 { 1256 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 1257 struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy); 1258 1259 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) 1260 qtnf_disconnect(vif->wdev.wiphy, ndev, 1261 WLAN_REASON_DEAUTH_LEAVING); 1262 1263 qtnf_scan_done(mac, true); 1264 } 1265 1266 void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif) 1267 { 1268 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) 1269 cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING, 1270 NULL, 0, 1, GFP_KERNEL); 1271 1272 cfg80211_shutdown_all_interfaces(vif->wdev.wiphy); 1273 } 1274 1275 void qtnf_band_init_rates(struct ieee80211_supported_band *band) 1276 { 1277 switch (band->band) { 1278 case NL80211_BAND_2GHZ: 1279 band->bitrates = qtnf_rates_2g; 1280 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g); 1281 break; 1282 case NL80211_BAND_5GHZ: 1283 band->bitrates = qtnf_rates_5g; 1284 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g); 1285 break; 1286 default: 1287 band->bitrates = NULL; 1288 band->n_bitrates = 0; 1289 break; 1290 } 1291 } 1292