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 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 73 static int 74 qtnf_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 } 122 123 static int 124 qtnf_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 } 158 159 int 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 } 195 196 static 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; 278 279 error_del_vif: 280 qtnf_cmd_send_del_intf(vif); 281 err_cmd: 282 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 283 284 return ERR_PTR(ret); 285 } 286 287 static 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 } 328 329 out: 330 return ret; 331 } 332 333 static 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 } 340 341 static 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 } 354 355 static 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 } 372 373 static int qtnf_set_wiphy_params(struct wiphy *wiphy, int radio_idx, 374 u32 changed) 375 { 376 struct qtnf_wmac *mac = wiphy_priv(wiphy); 377 struct qtnf_vif *vif; 378 int ret; 379 380 vif = qtnf_mac_get_base_vif(mac); 381 if (!vif) { 382 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 383 return -EFAULT; 384 } 385 386 ret = qtnf_cmd_send_update_phy_params(mac, changed); 387 if (ret) 388 pr_err("MAC%u: failed to update PHY params\n", mac->macid); 389 390 return ret; 391 } 392 393 static void 394 qtnf_update_mgmt_frame_registrations(struct wiphy *wiphy, 395 struct wireless_dev *wdev, 396 struct mgmt_frame_regs *upd) 397 { 398 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 399 u16 new_mask = upd->interface_stypes; 400 u16 old_mask = vif->mgmt_frames_bitmask; 401 static const struct { 402 u16 mask, qlink_type; 403 } updates[] = { 404 { 405 .mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 406 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4), 407 .qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ, 408 }, 409 { 410 .mask = BIT(IEEE80211_STYPE_AUTH >> 4), 411 .qlink_type = QLINK_MGMT_FRAME_AUTH, 412 }, 413 { 414 .mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 415 .qlink_type = QLINK_MGMT_FRAME_PROBE_REQ, 416 }, 417 { 418 .mask = BIT(IEEE80211_STYPE_ACTION >> 4), 419 .qlink_type = QLINK_MGMT_FRAME_ACTION, 420 }, 421 }; 422 unsigned int i; 423 424 if (new_mask == old_mask) 425 return; 426 427 for (i = 0; i < ARRAY_SIZE(updates); i++) { 428 u16 mask = updates[i].mask; 429 u16 qlink_frame_type = updates[i].qlink_type; 430 bool reg; 431 432 /* the ! are here due to the assoc/reassoc merge */ 433 if (!(new_mask & mask) == !(old_mask & mask)) 434 continue; 435 436 reg = new_mask & mask; 437 438 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) 439 pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n", 440 vif->mac->macid, vif->vifid, reg ? "" : "un", 441 qlink_frame_type); 442 } 443 444 vif->mgmt_frames_bitmask = new_mask; 445 } 446 447 static int 448 qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 449 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 450 { 451 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 452 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; 453 u32 short_cookie = get_random_u32(); 454 u16 flags = 0; 455 u16 freq; 456 457 *cookie = short_cookie; 458 459 if (params->offchan) 460 flags |= QLINK_FRAME_TX_FLAG_OFFCHAN; 461 462 if (params->no_cck) 463 flags |= QLINK_FRAME_TX_FLAG_NO_CCK; 464 465 if (params->dont_wait_for_ack) 466 flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT; 467 468 /* If channel is not specified, pass "freq = 0" to tell device 469 * firmware to use current channel. 470 */ 471 if (params->chan) 472 freq = params->chan->center_freq; 473 else 474 freq = 0; 475 476 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n", 477 wdev->netdev->name, freq, 478 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da, 479 params->len, short_cookie, flags); 480 481 return qtnf_cmd_send_frame(vif, short_cookie, flags, 482 freq, params->buf, params->len); 483 } 484 485 static int 486 qtnf_get_station(struct wiphy *wiphy, struct net_device *dev, 487 const u8 *mac, struct station_info *sinfo) 488 { 489 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 490 491 sinfo->generation = vif->generation; 492 return qtnf_cmd_get_sta_info(vif, mac, sinfo); 493 } 494 495 static int 496 qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev, 497 int idx, u8 *mac, struct station_info *sinfo) 498 { 499 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 500 const struct qtnf_sta_node *sta_node; 501 int ret; 502 503 switch (vif->wdev.iftype) { 504 case NL80211_IFTYPE_STATION: 505 if (idx != 0 || !vif->wdev.connected) 506 return -ENOENT; 507 508 ether_addr_copy(mac, vif->bssid); 509 break; 510 case NL80211_IFTYPE_AP: 511 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx); 512 if (unlikely(!sta_node)) 513 return -ENOENT; 514 515 ether_addr_copy(mac, sta_node->mac_addr); 516 break; 517 default: 518 return -ENOTSUPP; 519 } 520 521 ret = qtnf_cmd_get_sta_info(vif, mac, sinfo); 522 523 if (vif->wdev.iftype == NL80211_IFTYPE_AP) { 524 if (ret == -ENOENT) { 525 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL); 526 sinfo->filled = 0; 527 } 528 } 529 530 sinfo->generation = vif->generation; 531 532 return ret; 533 } 534 535 static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev, 536 int link_id, u8 key_index, bool pairwise, 537 const u8 *mac_addr, struct key_params *params) 538 { 539 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 540 int ret; 541 542 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params); 543 if (ret) 544 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n", 545 vif->mac->macid, vif->vifid, params->cipher, key_index, 546 pairwise); 547 548 return ret; 549 } 550 551 static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev, 552 int link_id, u8 key_index, bool pairwise, 553 const u8 *mac_addr) 554 { 555 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 556 int ret; 557 558 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr); 559 if (ret) { 560 if (ret == -ENOENT) { 561 pr_debug("VIF%u.%u: key index %d out of bounds\n", 562 vif->mac->macid, vif->vifid, key_index); 563 } else { 564 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n", 565 vif->mac->macid, vif->vifid, 566 key_index, pairwise); 567 } 568 } 569 570 return ret; 571 } 572 573 static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev, 574 int link_id, u8 key_index, bool unicast, 575 bool multicast) 576 { 577 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 578 int ret; 579 580 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast); 581 if (ret) 582 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n", 583 vif->mac->macid, vif->vifid, key_index, unicast, 584 multicast); 585 586 return ret; 587 } 588 589 static int 590 qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, 591 int link_id, u8 key_index) 592 { 593 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 594 int ret; 595 596 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index); 597 if (ret) 598 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n", 599 vif->mac->macid, vif->vifid, key_index); 600 601 return ret; 602 } 603 604 static int 605 qtnf_change_station(struct wiphy *wiphy, struct net_device *dev, 606 const u8 *mac, struct station_parameters *params) 607 { 608 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 609 int ret; 610 611 ret = qtnf_cmd_send_change_sta(vif, mac, params); 612 if (ret) 613 pr_err("VIF%u.%u: failed to change STA %pM\n", 614 vif->mac->macid, vif->vifid, mac); 615 616 return ret; 617 } 618 619 static int 620 qtnf_del_station(struct wiphy *wiphy, struct net_device *dev, 621 struct station_del_parameters *params) 622 { 623 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 624 int ret; 625 626 if (params->mac && 627 (vif->wdev.iftype == NL80211_IFTYPE_AP) && 628 !is_broadcast_ether_addr(params->mac) && 629 !qtnf_sta_list_lookup(&vif->sta_list, params->mac)) 630 return 0; 631 632 ret = qtnf_cmd_send_del_sta(vif, params); 633 if (ret) 634 pr_err("VIF%u.%u: failed to delete STA %pM\n", 635 vif->mac->macid, vif->vifid, params->mac); 636 637 return ret; 638 } 639 640 static int 641 qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) 642 { 643 struct qtnf_wmac *mac = wiphy_priv(wiphy); 644 int ret; 645 646 cancel_delayed_work_sync(&mac->scan_timeout); 647 648 mac->scan_req = request; 649 650 ret = qtnf_cmd_send_scan(mac); 651 if (ret) { 652 pr_err("MAC%u: failed to start scan\n", mac->macid); 653 mac->scan_req = NULL; 654 goto out; 655 } 656 657 pr_debug("MAC%u: scan started\n", mac->macid); 658 queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout, 659 QTNF_SCAN_TIMEOUT_SEC * HZ); 660 661 out: 662 return ret; 663 } 664 665 static int 666 qtnf_connect(struct wiphy *wiphy, struct net_device *dev, 667 struct cfg80211_connect_params *sme) 668 { 669 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 670 int ret; 671 672 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) 673 return -EOPNOTSUPP; 674 675 if (sme->auth_type == NL80211_AUTHTYPE_SAE && 676 !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) { 677 pr_err("can not offload authentication to userspace\n"); 678 return -EOPNOTSUPP; 679 } 680 681 if (sme->bssid) 682 ether_addr_copy(vif->bssid, sme->bssid); 683 else 684 eth_zero_addr(vif->bssid); 685 686 ret = qtnf_cmd_send_connect(vif, sme); 687 if (ret) 688 pr_err("VIF%u.%u: failed to connect\n", 689 vif->mac->macid, vif->vifid); 690 691 return ret; 692 } 693 694 static int 695 qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev, 696 struct cfg80211_external_auth_params *auth) 697 { 698 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 699 int ret; 700 701 if (vif->wdev.iftype == NL80211_IFTYPE_STATION && 702 !ether_addr_equal(vif->bssid, auth->bssid)) 703 pr_warn("unexpected bssid: %pM", auth->bssid); 704 705 ret = qtnf_cmd_send_external_auth(vif, auth); 706 if (ret) 707 pr_err("VIF%u.%u: failed to report external auth\n", 708 vif->mac->macid, vif->vifid); 709 710 return ret; 711 } 712 713 static int 714 qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev, 715 u16 reason_code) 716 { 717 struct qtnf_wmac *mac = wiphy_priv(wiphy); 718 struct qtnf_vif *vif; 719 int ret = 0; 720 721 vif = qtnf_mac_get_base_vif(mac); 722 if (!vif) { 723 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 724 return -EFAULT; 725 } 726 727 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) 728 return -EOPNOTSUPP; 729 730 ret = qtnf_cmd_send_disconnect(vif, reason_code); 731 if (ret) 732 pr_err("VIF%u.%u: failed to disconnect\n", 733 mac->macid, vif->vifid); 734 735 if (vif->wdev.connected) { 736 netif_carrier_off(vif->netdev); 737 cfg80211_disconnected(vif->netdev, reason_code, 738 NULL, 0, true, GFP_KERNEL); 739 } 740 741 return ret; 742 } 743 744 static int 745 qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev, 746 int idx, struct survey_info *survey) 747 { 748 struct qtnf_wmac *mac = wiphy_priv(wiphy); 749 struct wireless_dev *wdev = dev->ieee80211_ptr; 750 struct ieee80211_supported_band *sband; 751 const struct cfg80211_chan_def *chandef = wdev_chandef(wdev, 0); 752 struct ieee80211_channel *chan; 753 int ret; 754 755 sband = wiphy->bands[NL80211_BAND_2GHZ]; 756 if (sband && idx >= sband->n_channels) { 757 idx -= sband->n_channels; 758 sband = NULL; 759 } 760 761 if (!sband) 762 sband = wiphy->bands[NL80211_BAND_5GHZ]; 763 764 if (!sband || idx >= sband->n_channels) 765 return -ENOENT; 766 767 chan = &sband->channels[idx]; 768 survey->channel = chan; 769 survey->filled = 0x0; 770 771 if (chandef && chan == chandef->chan) 772 survey->filled = SURVEY_INFO_IN_USE; 773 774 ret = qtnf_cmd_get_chan_stats(mac, chan->center_freq, survey); 775 if (ret) 776 pr_debug("failed to get chan(%d) stats from card\n", 777 chan->hw_value); 778 779 return ret; 780 } 781 782 static int 783 qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 784 unsigned int link_id, struct cfg80211_chan_def *chandef) 785 { 786 struct net_device *ndev = wdev->netdev; 787 struct qtnf_vif *vif; 788 int ret; 789 790 if (!ndev) 791 return -ENODEV; 792 793 vif = qtnf_netdev_get_priv(wdev->netdev); 794 795 ret = qtnf_cmd_get_channel(vif, chandef); 796 if (ret) { 797 pr_err("%s: failed to get channel: %d\n", ndev->name, ret); 798 ret = -ENODATA; 799 goto out; 800 } 801 802 if (!cfg80211_chandef_valid(chandef)) { 803 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n", 804 ndev->name, chandef->chan->center_freq, 805 chandef->center_freq1, chandef->center_freq2, 806 chandef->width); 807 ret = -ENODATA; 808 goto out; 809 } 810 811 out: 812 return ret; 813 } 814 815 static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev, 816 struct cfg80211_csa_settings *params) 817 { 818 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 819 int ret; 820 821 pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name, 822 params->chandef.chan->hw_value, params->count, 823 params->radar_required, params->block_tx); 824 825 if (!cfg80211_chandef_valid(¶ms->chandef)) { 826 pr_err("%s: invalid channel\n", dev->name); 827 return -EINVAL; 828 } 829 830 ret = qtnf_cmd_send_chan_switch(vif, params); 831 if (ret) 832 pr_warn("%s: failed to switch to channel (%u)\n", 833 dev->name, params->chandef.chan->hw_value); 834 835 return ret; 836 } 837 838 static int qtnf_start_radar_detection(struct wiphy *wiphy, 839 struct net_device *ndev, 840 struct cfg80211_chan_def *chandef, 841 u32 cac_time_ms, int link_id) 842 { 843 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 844 int ret; 845 846 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) 847 return -ENOTSUPP; 848 849 ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms); 850 if (ret) 851 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret); 852 853 return ret; 854 } 855 856 static int qtnf_set_mac_acl(struct wiphy *wiphy, 857 struct net_device *dev, 858 const struct cfg80211_acl_data *params) 859 { 860 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 861 int ret; 862 863 ret = qtnf_cmd_set_mac_acl(vif, params); 864 if (ret) 865 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret); 866 867 return ret; 868 } 869 870 static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 871 bool enabled, int timeout) 872 { 873 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 874 int ret; 875 876 ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY : 877 QLINK_PM_OFF, timeout); 878 if (ret) 879 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret); 880 881 return ret; 882 } 883 884 static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 885 int radio_idx, unsigned int link_id, int *dbm) 886 { 887 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 888 int ret; 889 890 ret = qtnf_cmd_get_tx_power(vif, dbm); 891 if (ret) 892 pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid); 893 894 return ret; 895 } 896 897 static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 898 int radio_idx, enum nl80211_tx_power_setting type, 899 int mbm) 900 { 901 struct qtnf_vif *vif; 902 int ret; 903 904 if (wdev) { 905 vif = qtnf_netdev_get_priv(wdev->netdev); 906 } else { 907 struct qtnf_wmac *mac = wiphy_priv(wiphy); 908 909 vif = qtnf_mac_get_base_vif(mac); 910 if (!vif) { 911 pr_err("MAC%u: primary VIF is not configured\n", 912 mac->macid); 913 return -EFAULT; 914 } 915 } 916 917 ret = qtnf_cmd_set_tx_power(vif, type, mbm); 918 if (ret) 919 pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid); 920 921 return ret; 922 } 923 924 static int qtnf_update_owe_info(struct wiphy *wiphy, struct net_device *dev, 925 struct cfg80211_update_owe_info *owe_info) 926 { 927 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 928 int ret; 929 930 if (vif->wdev.iftype != NL80211_IFTYPE_AP) 931 return -EOPNOTSUPP; 932 933 ret = qtnf_cmd_send_update_owe(vif, owe_info); 934 if (ret) 935 pr_err("VIF%u.%u: failed to update owe info\n", 936 vif->mac->macid, vif->vifid); 937 938 return ret; 939 } 940 941 #ifdef CONFIG_PM 942 static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) 943 { 944 struct qtnf_wmac *mac = wiphy_priv(wiphy); 945 struct qtnf_vif *vif; 946 int ret = 0; 947 948 vif = qtnf_mac_get_base_vif(mac); 949 if (!vif) { 950 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 951 ret = -EFAULT; 952 goto exit; 953 } 954 955 if (!wowlan) { 956 pr_debug("WoWLAN triggers are not enabled\n"); 957 qtnf_virtual_intf_cleanup(vif->netdev); 958 goto exit; 959 } 960 961 qtnf_scan_done(vif->mac, true); 962 963 ret = qtnf_cmd_send_wowlan_set(vif, wowlan); 964 if (ret) { 965 pr_err("MAC%u: failed to set WoWLAN triggers\n", 966 mac->macid); 967 goto exit; 968 } 969 970 exit: 971 return ret; 972 } 973 974 static int qtnf_resume(struct wiphy *wiphy) 975 { 976 struct qtnf_wmac *mac = wiphy_priv(wiphy); 977 struct qtnf_vif *vif; 978 int ret = 0; 979 980 vif = qtnf_mac_get_base_vif(mac); 981 if (!vif) { 982 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 983 return -EFAULT; 984 } 985 986 ret = qtnf_cmd_send_wowlan_set(vif, NULL); 987 if (ret) 988 pr_err("MAC%u: failed to reset WoWLAN triggers\n", 989 mac->macid); 990 991 return ret; 992 } 993 994 static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled) 995 { 996 struct qtnf_wmac *mac = wiphy_priv(wiphy); 997 struct qtnf_bus *bus = mac->bus; 998 999 device_set_wakeup_enable(bus->dev, enabled); 1000 } 1001 #endif 1002 1003 static struct cfg80211_ops qtn_cfg80211_ops = { 1004 .add_virtual_intf = qtnf_add_virtual_intf, 1005 .change_virtual_intf = qtnf_change_virtual_intf, 1006 .del_virtual_intf = qtnf_del_virtual_intf, 1007 .start_ap = qtnf_start_ap, 1008 .change_beacon = qtnf_change_beacon, 1009 .stop_ap = qtnf_stop_ap, 1010 .set_wiphy_params = qtnf_set_wiphy_params, 1011 .update_mgmt_frame_registrations = 1012 qtnf_update_mgmt_frame_registrations, 1013 .mgmt_tx = qtnf_mgmt_tx, 1014 .change_station = qtnf_change_station, 1015 .del_station = qtnf_del_station, 1016 .get_station = qtnf_get_station, 1017 .dump_station = qtnf_dump_station, 1018 .add_key = qtnf_add_key, 1019 .del_key = qtnf_del_key, 1020 .set_default_key = qtnf_set_default_key, 1021 .set_default_mgmt_key = qtnf_set_default_mgmt_key, 1022 .scan = qtnf_scan, 1023 .connect = qtnf_connect, 1024 .external_auth = qtnf_external_auth, 1025 .disconnect = qtnf_disconnect, 1026 .dump_survey = qtnf_dump_survey, 1027 .get_channel = qtnf_get_channel, 1028 .channel_switch = qtnf_channel_switch, 1029 .start_radar_detection = qtnf_start_radar_detection, 1030 .set_mac_acl = qtnf_set_mac_acl, 1031 .set_power_mgmt = qtnf_set_power_mgmt, 1032 .get_tx_power = qtnf_get_tx_power, 1033 .set_tx_power = qtnf_set_tx_power, 1034 .update_owe_info = qtnf_update_owe_info, 1035 #ifdef CONFIG_PM 1036 .suspend = qtnf_suspend, 1037 .resume = qtnf_resume, 1038 .set_wakeup = qtnf_set_wakeup, 1039 #endif 1040 }; 1041 1042 static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy, 1043 struct regulatory_request *req) 1044 { 1045 struct qtnf_wmac *mac = wiphy_priv(wiphy); 1046 enum nl80211_band band; 1047 int ret; 1048 1049 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator, 1050 req->alpha2[0], req->alpha2[1]); 1051 1052 ret = qtnf_cmd_reg_notify(mac, req, qtnf_slave_radar_get(), 1053 qtnf_dfs_offload_get()); 1054 if (ret) { 1055 pr_err("MAC%u: failed to update region to %c%c: %d\n", 1056 mac->macid, req->alpha2[0], req->alpha2[1], ret); 1057 return; 1058 } 1059 1060 for (band = 0; band < NUM_NL80211_BANDS; ++band) { 1061 if (!wiphy->bands[band]) 1062 continue; 1063 1064 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]); 1065 if (ret) 1066 pr_err("MAC%u: failed to update band %u\n", 1067 mac->macid, band); 1068 } 1069 } 1070 1071 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus, 1072 struct platform_device *pdev) 1073 { 1074 struct wiphy *wiphy; 1075 1076 if (qtnf_dfs_offload_get() && 1077 qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD)) 1078 qtn_cfg80211_ops.start_radar_detection = NULL; 1079 1080 if (!qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_PWR_MGMT)) 1081 qtn_cfg80211_ops.set_power_mgmt = NULL; 1082 1083 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac)); 1084 if (!wiphy) 1085 return NULL; 1086 1087 if (pdev) 1088 set_wiphy_dev(wiphy, &pdev->dev); 1089 else 1090 set_wiphy_dev(wiphy, bus->dev); 1091 1092 return wiphy; 1093 } 1094 1095 static int 1096 qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info) 1097 { 1098 struct ieee80211_iface_combination *if_comb; 1099 size_t n_if_comb; 1100 u16 interface_modes = 0; 1101 size_t i, j; 1102 1103 if_comb = mac_info->if_comb; 1104 n_if_comb = mac_info->n_if_comb; 1105 1106 if (!if_comb || !n_if_comb) 1107 return -ENOENT; 1108 1109 for (i = 0; i < n_if_comb; i++) { 1110 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths; 1111 1112 for (j = 0; j < if_comb[i].n_limits; j++) 1113 interface_modes |= if_comb[i].limits[j].types; 1114 } 1115 1116 wiphy->iface_combinations = if_comb; 1117 wiphy->n_iface_combinations = n_if_comb; 1118 wiphy->interface_modes = interface_modes; 1119 1120 return 0; 1121 } 1122 1123 int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) 1124 { 1125 struct wiphy *wiphy = priv_to_wiphy(mac); 1126 struct qtnf_mac_info *macinfo = &mac->macinfo; 1127 int ret; 1128 bool regdomain_is_known; 1129 1130 if (!wiphy) { 1131 pr_err("invalid wiphy pointer\n"); 1132 return -EFAULT; 1133 } 1134 1135 wiphy->frag_threshold = macinfo->frag_thr; 1136 wiphy->rts_threshold = macinfo->rts_thr; 1137 wiphy->retry_short = macinfo->sretry_limit; 1138 wiphy->retry_long = macinfo->lretry_limit; 1139 wiphy->coverage_class = macinfo->coverage_class; 1140 1141 wiphy->max_scan_ssids = 1142 (macinfo->max_scan_ssids) ? macinfo->max_scan_ssids : 1; 1143 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN; 1144 wiphy->mgmt_stypes = qtnf_mgmt_stypes; 1145 wiphy->max_remain_on_channel_duration = 5000; 1146 wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs; 1147 wiphy->max_num_csa_counters = 2; 1148 1149 ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo); 1150 if (ret) 1151 goto out; 1152 1153 /* Initialize cipher suits */ 1154 wiphy->cipher_suites = qtnf_cipher_suites; 1155 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites); 1156 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 1157 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 1158 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 1159 WIPHY_FLAG_AP_UAPSD | 1160 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 1161 WIPHY_FLAG_4ADDR_STATION | 1162 WIPHY_FLAG_NETNS_OK; 1163 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 1164 1165 if (qtnf_dfs_offload_get() && 1166 qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD)) 1167 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD); 1168 1169 if (qtnf_hwcap_is_set(hw_info, 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 (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_STA_INACT_TIMEOUT)) 1186 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 1187 1188 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR)) 1189 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 1190 1191 if (!qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_OBSS_SCAN)) 1192 wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN; 1193 1194 if (qtnf_hwcap_is_set(hw_info, 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 (qtnf_hwcap_is_set(hw_info, 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 strscpy(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