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_beacon_data *info) 335 { 336 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 337 338 return qtnf_mgmt_set_appie(vif, info); 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 { 357 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 358 int ret; 359 360 qtnf_scan_done(vif->mac, true); 361 362 ret = qtnf_cmd_send_stop_ap(vif); 363 if (ret) 364 pr_err("VIF%u.%u: failed to stop AP operation in FW\n", 365 vif->mac->macid, vif->vifid); 366 367 netif_carrier_off(vif->netdev); 368 369 return ret; 370 } 371 372 static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed) 373 { 374 struct qtnf_wmac *mac = wiphy_priv(wiphy); 375 struct qtnf_vif *vif; 376 int ret; 377 378 vif = qtnf_mac_get_base_vif(mac); 379 if (!vif) { 380 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 381 return -EFAULT; 382 } 383 384 ret = qtnf_cmd_send_update_phy_params(mac, changed); 385 if (ret) 386 pr_err("MAC%u: failed to update PHY params\n", mac->macid); 387 388 return ret; 389 } 390 391 static void 392 qtnf_update_mgmt_frame_registrations(struct wiphy *wiphy, 393 struct wireless_dev *wdev, 394 struct mgmt_frame_regs *upd) 395 { 396 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 397 u16 new_mask = upd->interface_stypes; 398 u16 old_mask = vif->mgmt_frames_bitmask; 399 static const struct { 400 u16 mask, qlink_type; 401 } updates[] = { 402 { 403 .mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 404 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4), 405 .qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ, 406 }, 407 { 408 .mask = BIT(IEEE80211_STYPE_AUTH >> 4), 409 .qlink_type = QLINK_MGMT_FRAME_AUTH, 410 }, 411 { 412 .mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 413 .qlink_type = QLINK_MGMT_FRAME_PROBE_REQ, 414 }, 415 { 416 .mask = BIT(IEEE80211_STYPE_ACTION >> 4), 417 .qlink_type = QLINK_MGMT_FRAME_ACTION, 418 }, 419 }; 420 unsigned int i; 421 422 if (new_mask == old_mask) 423 return; 424 425 for (i = 0; i < ARRAY_SIZE(updates); i++) { 426 u16 mask = updates[i].mask; 427 u16 qlink_frame_type = updates[i].qlink_type; 428 bool reg; 429 430 /* the ! are here due to the assoc/reassoc merge */ 431 if (!(new_mask & mask) == !(old_mask & mask)) 432 continue; 433 434 reg = new_mask & mask; 435 436 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) 437 pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n", 438 vif->mac->macid, vif->vifid, reg ? "" : "un", 439 qlink_frame_type); 440 } 441 442 vif->mgmt_frames_bitmask = new_mask; 443 } 444 445 static int 446 qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 447 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 448 { 449 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 450 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; 451 u32 short_cookie = prandom_u32(); 452 u16 flags = 0; 453 u16 freq; 454 455 *cookie = short_cookie; 456 457 if (params->offchan) 458 flags |= QLINK_FRAME_TX_FLAG_OFFCHAN; 459 460 if (params->no_cck) 461 flags |= QLINK_FRAME_TX_FLAG_NO_CCK; 462 463 if (params->dont_wait_for_ack) 464 flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT; 465 466 /* If channel is not specified, pass "freq = 0" to tell device 467 * firmware to use current channel. 468 */ 469 if (params->chan) 470 freq = params->chan->center_freq; 471 else 472 freq = 0; 473 474 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n", 475 wdev->netdev->name, freq, 476 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da, 477 params->len, short_cookie, flags); 478 479 return qtnf_cmd_send_frame(vif, short_cookie, flags, 480 freq, params->buf, params->len); 481 } 482 483 static int 484 qtnf_get_station(struct wiphy *wiphy, struct net_device *dev, 485 const u8 *mac, struct station_info *sinfo) 486 { 487 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 488 489 sinfo->generation = vif->generation; 490 return qtnf_cmd_get_sta_info(vif, mac, sinfo); 491 } 492 493 static int 494 qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev, 495 int idx, u8 *mac, struct station_info *sinfo) 496 { 497 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 498 const struct qtnf_sta_node *sta_node; 499 int ret; 500 501 switch (vif->wdev.iftype) { 502 case NL80211_IFTYPE_STATION: 503 if (idx != 0 || !vif->wdev.current_bss) 504 return -ENOENT; 505 506 ether_addr_copy(mac, vif->bssid); 507 break; 508 case NL80211_IFTYPE_AP: 509 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx); 510 if (unlikely(!sta_node)) 511 return -ENOENT; 512 513 ether_addr_copy(mac, sta_node->mac_addr); 514 break; 515 default: 516 return -ENOTSUPP; 517 } 518 519 ret = qtnf_cmd_get_sta_info(vif, mac, sinfo); 520 521 if (vif->wdev.iftype == NL80211_IFTYPE_AP) { 522 if (ret == -ENOENT) { 523 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL); 524 sinfo->filled = 0; 525 } 526 } 527 528 sinfo->generation = vif->generation; 529 530 return ret; 531 } 532 533 static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev, 534 u8 key_index, bool pairwise, const u8 *mac_addr, 535 struct key_params *params) 536 { 537 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 538 int ret; 539 540 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params); 541 if (ret) 542 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n", 543 vif->mac->macid, vif->vifid, params->cipher, key_index, 544 pairwise); 545 546 return ret; 547 } 548 549 static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev, 550 u8 key_index, bool pairwise, const u8 *mac_addr) 551 { 552 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 553 int ret; 554 555 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr); 556 if (ret) { 557 if (ret == -ENOENT) { 558 pr_debug("VIF%u.%u: key index %d out of bounds\n", 559 vif->mac->macid, vif->vifid, key_index); 560 } else { 561 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n", 562 vif->mac->macid, vif->vifid, 563 key_index, pairwise); 564 } 565 } 566 567 return ret; 568 } 569 570 static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev, 571 u8 key_index, bool unicast, bool multicast) 572 { 573 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 574 int ret; 575 576 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast); 577 if (ret) 578 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n", 579 vif->mac->macid, vif->vifid, key_index, unicast, 580 multicast); 581 582 return ret; 583 } 584 585 static int 586 qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, 587 u8 key_index) 588 { 589 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 590 int ret; 591 592 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index); 593 if (ret) 594 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n", 595 vif->mac->macid, vif->vifid, key_index); 596 597 return ret; 598 } 599 600 static int 601 qtnf_change_station(struct wiphy *wiphy, struct net_device *dev, 602 const u8 *mac, struct station_parameters *params) 603 { 604 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 605 int ret; 606 607 ret = qtnf_cmd_send_change_sta(vif, mac, params); 608 if (ret) 609 pr_err("VIF%u.%u: failed to change STA %pM\n", 610 vif->mac->macid, vif->vifid, mac); 611 612 return ret; 613 } 614 615 static int 616 qtnf_del_station(struct wiphy *wiphy, struct net_device *dev, 617 struct station_del_parameters *params) 618 { 619 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 620 int ret; 621 622 if (params->mac && 623 (vif->wdev.iftype == NL80211_IFTYPE_AP) && 624 !is_broadcast_ether_addr(params->mac) && 625 !qtnf_sta_list_lookup(&vif->sta_list, params->mac)) 626 return 0; 627 628 ret = qtnf_cmd_send_del_sta(vif, params); 629 if (ret) 630 pr_err("VIF%u.%u: failed to delete STA %pM\n", 631 vif->mac->macid, vif->vifid, params->mac); 632 633 return ret; 634 } 635 636 static int 637 qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) 638 { 639 struct qtnf_wmac *mac = wiphy_priv(wiphy); 640 int ret; 641 642 cancel_delayed_work_sync(&mac->scan_timeout); 643 644 mac->scan_req = request; 645 646 ret = qtnf_cmd_send_scan(mac); 647 if (ret) { 648 pr_err("MAC%u: failed to start scan\n", mac->macid); 649 mac->scan_req = NULL; 650 goto out; 651 } 652 653 pr_debug("MAC%u: scan started\n", mac->macid); 654 queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout, 655 QTNF_SCAN_TIMEOUT_SEC * HZ); 656 657 out: 658 return ret; 659 } 660 661 static int 662 qtnf_connect(struct wiphy *wiphy, struct net_device *dev, 663 struct cfg80211_connect_params *sme) 664 { 665 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 666 int ret; 667 668 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) 669 return -EOPNOTSUPP; 670 671 if (sme->auth_type == NL80211_AUTHTYPE_SAE && 672 !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) { 673 pr_err("can not offload authentication to userspace\n"); 674 return -EOPNOTSUPP; 675 } 676 677 if (sme->bssid) 678 ether_addr_copy(vif->bssid, sme->bssid); 679 else 680 eth_zero_addr(vif->bssid); 681 682 ret = qtnf_cmd_send_connect(vif, sme); 683 if (ret) { 684 pr_err("VIF%u.%u: failed to connect\n", 685 vif->mac->macid, vif->vifid); 686 goto out; 687 } 688 689 out: 690 return ret; 691 } 692 693 static int 694 qtnf_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 goto out; 709 } 710 711 out: 712 return ret; 713 } 714 715 static int 716 qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev, 717 u16 reason_code) 718 { 719 struct qtnf_wmac *mac = wiphy_priv(wiphy); 720 struct qtnf_vif *vif; 721 int ret = 0; 722 723 vif = qtnf_mac_get_base_vif(mac); 724 if (!vif) { 725 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 726 return -EFAULT; 727 } 728 729 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) { 730 ret = -EOPNOTSUPP; 731 goto out; 732 } 733 734 ret = qtnf_cmd_send_disconnect(vif, reason_code); 735 if (ret) 736 pr_err("VIF%u.%u: failed to disconnect\n", 737 mac->macid, vif->vifid); 738 739 if (vif->wdev.current_bss) { 740 netif_carrier_off(vif->netdev); 741 cfg80211_disconnected(vif->netdev, reason_code, 742 NULL, 0, true, GFP_KERNEL); 743 } 744 745 out: 746 return ret; 747 } 748 749 static int 750 qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev, 751 int idx, struct survey_info *survey) 752 { 753 struct qtnf_wmac *mac = wiphy_priv(wiphy); 754 struct wireless_dev *wdev = dev->ieee80211_ptr; 755 struct ieee80211_supported_band *sband; 756 const struct cfg80211_chan_def *chandef = &wdev->chandef; 757 struct ieee80211_channel *chan; 758 int ret; 759 760 sband = wiphy->bands[NL80211_BAND_2GHZ]; 761 if (sband && idx >= sband->n_channels) { 762 idx -= sband->n_channels; 763 sband = NULL; 764 } 765 766 if (!sband) 767 sband = wiphy->bands[NL80211_BAND_5GHZ]; 768 769 if (!sband || idx >= sband->n_channels) 770 return -ENOENT; 771 772 chan = &sband->channels[idx]; 773 survey->channel = chan; 774 survey->filled = 0x0; 775 776 if (chan == chandef->chan) 777 survey->filled = SURVEY_INFO_IN_USE; 778 779 ret = qtnf_cmd_get_chan_stats(mac, chan->center_freq, survey); 780 if (ret) 781 pr_debug("failed to get chan(%d) stats from card\n", 782 chan->hw_value); 783 784 return ret; 785 } 786 787 static int 788 qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 789 struct cfg80211_chan_def *chandef) 790 { 791 struct net_device *ndev = wdev->netdev; 792 struct qtnf_vif *vif; 793 int ret; 794 795 if (!ndev) 796 return -ENODEV; 797 798 vif = qtnf_netdev_get_priv(wdev->netdev); 799 800 ret = qtnf_cmd_get_channel(vif, chandef); 801 if (ret) { 802 pr_err("%s: failed to get channel: %d\n", ndev->name, ret); 803 ret = -ENODATA; 804 goto out; 805 } 806 807 if (!cfg80211_chandef_valid(chandef)) { 808 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n", 809 ndev->name, chandef->chan->center_freq, 810 chandef->center_freq1, chandef->center_freq2, 811 chandef->width); 812 ret = -ENODATA; 813 goto out; 814 } 815 816 out: 817 return ret; 818 } 819 820 static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev, 821 struct cfg80211_csa_settings *params) 822 { 823 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 824 int ret; 825 826 pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name, 827 params->chandef.chan->hw_value, params->count, 828 params->radar_required, params->block_tx); 829 830 if (!cfg80211_chandef_valid(¶ms->chandef)) { 831 pr_err("%s: invalid channel\n", dev->name); 832 return -EINVAL; 833 } 834 835 ret = qtnf_cmd_send_chan_switch(vif, params); 836 if (ret) 837 pr_warn("%s: failed to switch to channel (%u)\n", 838 dev->name, params->chandef.chan->hw_value); 839 840 return ret; 841 } 842 843 static int qtnf_start_radar_detection(struct wiphy *wiphy, 844 struct net_device *ndev, 845 struct cfg80211_chan_def *chandef, 846 u32 cac_time_ms) 847 { 848 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 849 int ret; 850 851 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) 852 return -ENOTSUPP; 853 854 ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms); 855 if (ret) 856 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret); 857 858 return ret; 859 } 860 861 static int qtnf_set_mac_acl(struct wiphy *wiphy, 862 struct net_device *dev, 863 const struct cfg80211_acl_data *params) 864 { 865 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 866 int ret; 867 868 ret = qtnf_cmd_set_mac_acl(vif, params); 869 if (ret) 870 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret); 871 872 return ret; 873 } 874 875 static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 876 bool enabled, int timeout) 877 { 878 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 879 int ret; 880 881 ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY : 882 QLINK_PM_OFF, timeout); 883 if (ret) 884 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret); 885 886 return ret; 887 } 888 889 static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 890 int *dbm) 891 { 892 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); 893 int ret; 894 895 ret = qtnf_cmd_get_tx_power(vif, dbm); 896 if (ret) 897 pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid); 898 899 return ret; 900 } 901 902 static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 903 enum nl80211_tx_power_setting type, int mbm) 904 { 905 struct qtnf_vif *vif; 906 int ret; 907 908 if (wdev) { 909 vif = qtnf_netdev_get_priv(wdev->netdev); 910 } else { 911 struct qtnf_wmac *mac = wiphy_priv(wiphy); 912 913 vif = qtnf_mac_get_base_vif(mac); 914 if (!vif) { 915 pr_err("MAC%u: primary VIF is not configured\n", 916 mac->macid); 917 return -EFAULT; 918 } 919 } 920 921 ret = qtnf_cmd_set_tx_power(vif, type, mbm); 922 if (ret) 923 pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid); 924 925 return ret; 926 } 927 928 static int qtnf_update_owe_info(struct wiphy *wiphy, struct net_device *dev, 929 struct cfg80211_update_owe_info *owe_info) 930 { 931 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); 932 int ret; 933 934 if (vif->wdev.iftype != NL80211_IFTYPE_AP) 935 return -EOPNOTSUPP; 936 937 ret = qtnf_cmd_send_update_owe(vif, owe_info); 938 if (ret) { 939 pr_err("VIF%u.%u: failed to update owe info\n", 940 vif->mac->macid, vif->vifid); 941 goto out; 942 } 943 944 out: 945 return ret; 946 } 947 948 #ifdef CONFIG_PM 949 static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) 950 { 951 struct qtnf_wmac *mac = wiphy_priv(wiphy); 952 struct qtnf_vif *vif; 953 int ret = 0; 954 955 vif = qtnf_mac_get_base_vif(mac); 956 if (!vif) { 957 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 958 ret = -EFAULT; 959 goto exit; 960 } 961 962 if (!wowlan) { 963 pr_debug("WoWLAN triggers are not enabled\n"); 964 qtnf_virtual_intf_cleanup(vif->netdev); 965 goto exit; 966 } 967 968 qtnf_scan_done(vif->mac, true); 969 970 ret = qtnf_cmd_send_wowlan_set(vif, wowlan); 971 if (ret) { 972 pr_err("MAC%u: failed to set WoWLAN triggers\n", 973 mac->macid); 974 goto exit; 975 } 976 977 exit: 978 return ret; 979 } 980 981 static int qtnf_resume(struct wiphy *wiphy) 982 { 983 struct qtnf_wmac *mac = wiphy_priv(wiphy); 984 struct qtnf_vif *vif; 985 int ret = 0; 986 987 vif = qtnf_mac_get_base_vif(mac); 988 if (!vif) { 989 pr_err("MAC%u: primary VIF is not configured\n", mac->macid); 990 ret = -EFAULT; 991 goto exit; 992 } 993 994 ret = qtnf_cmd_send_wowlan_set(vif, NULL); 995 if (ret) { 996 pr_err("MAC%u: failed to reset WoWLAN triggers\n", 997 mac->macid); 998 goto exit; 999 } 1000 1001 exit: 1002 return ret; 1003 } 1004 1005 static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled) 1006 { 1007 struct qtnf_wmac *mac = wiphy_priv(wiphy); 1008 struct qtnf_bus *bus = mac->bus; 1009 1010 device_set_wakeup_enable(bus->dev, enabled); 1011 } 1012 #endif 1013 1014 static struct cfg80211_ops qtn_cfg80211_ops = { 1015 .add_virtual_intf = qtnf_add_virtual_intf, 1016 .change_virtual_intf = qtnf_change_virtual_intf, 1017 .del_virtual_intf = qtnf_del_virtual_intf, 1018 .start_ap = qtnf_start_ap, 1019 .change_beacon = qtnf_change_beacon, 1020 .stop_ap = qtnf_stop_ap, 1021 .set_wiphy_params = qtnf_set_wiphy_params, 1022 .update_mgmt_frame_registrations = 1023 qtnf_update_mgmt_frame_registrations, 1024 .mgmt_tx = qtnf_mgmt_tx, 1025 .change_station = qtnf_change_station, 1026 .del_station = qtnf_del_station, 1027 .get_station = qtnf_get_station, 1028 .dump_station = qtnf_dump_station, 1029 .add_key = qtnf_add_key, 1030 .del_key = qtnf_del_key, 1031 .set_default_key = qtnf_set_default_key, 1032 .set_default_mgmt_key = qtnf_set_default_mgmt_key, 1033 .scan = qtnf_scan, 1034 .connect = qtnf_connect, 1035 .external_auth = qtnf_external_auth, 1036 .disconnect = qtnf_disconnect, 1037 .dump_survey = qtnf_dump_survey, 1038 .get_channel = qtnf_get_channel, 1039 .channel_switch = qtnf_channel_switch, 1040 .start_radar_detection = qtnf_start_radar_detection, 1041 .set_mac_acl = qtnf_set_mac_acl, 1042 .set_power_mgmt = qtnf_set_power_mgmt, 1043 .get_tx_power = qtnf_get_tx_power, 1044 .set_tx_power = qtnf_set_tx_power, 1045 .update_owe_info = qtnf_update_owe_info, 1046 #ifdef CONFIG_PM 1047 .suspend = qtnf_suspend, 1048 .resume = qtnf_resume, 1049 .set_wakeup = qtnf_set_wakeup, 1050 #endif 1051 }; 1052 1053 static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy, 1054 struct regulatory_request *req) 1055 { 1056 struct qtnf_wmac *mac = wiphy_priv(wiphy); 1057 enum nl80211_band band; 1058 int ret; 1059 1060 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator, 1061 req->alpha2[0], req->alpha2[1]); 1062 1063 ret = qtnf_cmd_reg_notify(mac, req, qtnf_slave_radar_get(), 1064 qtnf_dfs_offload_get()); 1065 if (ret) { 1066 pr_err("MAC%u: failed to update region to %c%c: %d\n", 1067 mac->macid, req->alpha2[0], req->alpha2[1], ret); 1068 return; 1069 } 1070 1071 for (band = 0; band < NUM_NL80211_BANDS; ++band) { 1072 if (!wiphy->bands[band]) 1073 continue; 1074 1075 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]); 1076 if (ret) 1077 pr_err("MAC%u: failed to update band %u\n", 1078 mac->macid, band); 1079 } 1080 } 1081 1082 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus, 1083 struct platform_device *pdev) 1084 { 1085 struct wiphy *wiphy; 1086 1087 if (qtnf_dfs_offload_get() && 1088 qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD)) 1089 qtn_cfg80211_ops.start_radar_detection = NULL; 1090 1091 if (!qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_PWR_MGMT)) 1092 qtn_cfg80211_ops.set_power_mgmt = NULL; 1093 1094 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac)); 1095 if (!wiphy) 1096 return NULL; 1097 1098 if (pdev) 1099 set_wiphy_dev(wiphy, &pdev->dev); 1100 else 1101 set_wiphy_dev(wiphy, bus->dev); 1102 1103 return wiphy; 1104 } 1105 1106 static int 1107 qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info) 1108 { 1109 struct ieee80211_iface_combination *if_comb; 1110 size_t n_if_comb; 1111 u16 interface_modes = 0; 1112 size_t i, j; 1113 1114 if_comb = mac_info->if_comb; 1115 n_if_comb = mac_info->n_if_comb; 1116 1117 if (!if_comb || !n_if_comb) 1118 return -ENOENT; 1119 1120 for (i = 0; i < n_if_comb; i++) { 1121 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths; 1122 1123 for (j = 0; j < if_comb[i].n_limits; j++) 1124 interface_modes |= if_comb[i].limits[j].types; 1125 } 1126 1127 wiphy->iface_combinations = if_comb; 1128 wiphy->n_iface_combinations = n_if_comb; 1129 wiphy->interface_modes = interface_modes; 1130 1131 return 0; 1132 } 1133 1134 int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) 1135 { 1136 struct wiphy *wiphy = priv_to_wiphy(mac); 1137 struct qtnf_mac_info *macinfo = &mac->macinfo; 1138 int ret; 1139 bool regdomain_is_known; 1140 1141 if (!wiphy) { 1142 pr_err("invalid wiphy pointer\n"); 1143 return -EFAULT; 1144 } 1145 1146 wiphy->frag_threshold = macinfo->frag_thr; 1147 wiphy->rts_threshold = macinfo->rts_thr; 1148 wiphy->retry_short = macinfo->sretry_limit; 1149 wiphy->retry_long = macinfo->lretry_limit; 1150 wiphy->coverage_class = macinfo->coverage_class; 1151 1152 wiphy->max_scan_ssids = 1153 (macinfo->max_scan_ssids) ? macinfo->max_scan_ssids : 1; 1154 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN; 1155 wiphy->mgmt_stypes = qtnf_mgmt_stypes; 1156 wiphy->max_remain_on_channel_duration = 5000; 1157 wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs; 1158 wiphy->max_num_csa_counters = 2; 1159 1160 ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo); 1161 if (ret) 1162 goto out; 1163 1164 /* Initialize cipher suits */ 1165 wiphy->cipher_suites = qtnf_cipher_suites; 1166 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites); 1167 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 1168 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 1169 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 1170 WIPHY_FLAG_AP_UAPSD | 1171 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 1172 WIPHY_FLAG_4ADDR_STATION | 1173 WIPHY_FLAG_NETNS_OK; 1174 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 1175 1176 if (qtnf_dfs_offload_get() && 1177 qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD)) 1178 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD); 1179 1180 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_DWELL)) 1181 wiphy_ext_feature_set(wiphy, 1182 NL80211_EXT_FEATURE_SET_SCAN_DWELL); 1183 1184 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 1185 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; 1186 1187 wiphy->available_antennas_tx = macinfo->num_tx_chain; 1188 wiphy->available_antennas_rx = macinfo->num_rx_chain; 1189 1190 wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta; 1191 wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask; 1192 wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask; 1193 1194 ether_addr_copy(wiphy->perm_addr, mac->macaddr); 1195 1196 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_STA_INACT_TIMEOUT)) 1197 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 1198 1199 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR)) 1200 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 1201 1202 if (!qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_OBSS_SCAN)) 1203 wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN; 1204 1205 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SAE)) 1206 wiphy->features |= NL80211_FEATURE_SAE; 1207 1208 #ifdef CONFIG_PM 1209 if (macinfo->wowlan) 1210 wiphy->wowlan = macinfo->wowlan; 1211 #endif 1212 1213 regdomain_is_known = isalpha(mac->rd->alpha2[0]) && 1214 isalpha(mac->rd->alpha2[1]); 1215 1216 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_REG_UPDATE)) { 1217 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier; 1218 1219 if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') { 1220 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 1221 REGULATORY_STRICT_REG; 1222 wiphy_apply_custom_regulatory(wiphy, mac->rd); 1223 } else if (regdomain_is_known) { 1224 wiphy->regulatory_flags |= REGULATORY_STRICT_REG; 1225 } 1226 } else { 1227 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 1228 } 1229 1230 if (mac->macinfo.extended_capabilities_len) { 1231 wiphy->extended_capabilities = 1232 mac->macinfo.extended_capabilities; 1233 wiphy->extended_capabilities_mask = 1234 mac->macinfo.extended_capabilities_mask; 1235 wiphy->extended_capabilities_len = 1236 mac->macinfo.extended_capabilities_len; 1237 } 1238 1239 strlcpy(wiphy->fw_version, hw_info->fw_version, 1240 sizeof(wiphy->fw_version)); 1241 wiphy->hw_version = hw_info->hw_version; 1242 1243 ret = wiphy_register(wiphy); 1244 if (ret < 0) 1245 goto out; 1246 1247 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) 1248 ret = regulatory_set_wiphy_regd(wiphy, mac->rd); 1249 else if (regdomain_is_known) 1250 ret = regulatory_hint(wiphy, mac->rd->alpha2); 1251 1252 out: 1253 return ret; 1254 } 1255 1256 void qtnf_netdev_updown(struct net_device *ndev, bool up) 1257 { 1258 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 1259 1260 if (qtnf_cmd_send_updown_intf(vif, up)) 1261 pr_err("failed to send %s command to VIF%u.%u\n", 1262 up ? "UP" : "DOWN", vif->mac->macid, vif->vifid); 1263 } 1264 1265 void qtnf_virtual_intf_cleanup(struct net_device *ndev) 1266 { 1267 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); 1268 struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy); 1269 1270 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) 1271 qtnf_disconnect(vif->wdev.wiphy, ndev, 1272 WLAN_REASON_DEAUTH_LEAVING); 1273 1274 qtnf_scan_done(mac, true); 1275 } 1276 1277 void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif) 1278 { 1279 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) 1280 cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING, 1281 NULL, 0, 1, GFP_KERNEL); 1282 1283 cfg80211_shutdown_all_interfaces(vif->wdev.wiphy); 1284 } 1285 1286 void qtnf_band_init_rates(struct ieee80211_supported_band *band) 1287 { 1288 switch (band->band) { 1289 case NL80211_BAND_2GHZ: 1290 band->bitrates = qtnf_rates_2g; 1291 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g); 1292 break; 1293 case NL80211_BAND_5GHZ: 1294 band->bitrates = qtnf_rates_5g; 1295 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g); 1296 break; 1297 default: 1298 band->bitrates = NULL; 1299 band->n_bitrates = 0; 1300 break; 1301 } 1302 } 1303