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