cfg.c 111.5 KB
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// SPDX-License-Identifier: GPL-2.0-only
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/*
 * mac80211 configuration hooks for cfg80211
 *
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 * Copyright 2006-2010	Johannes Berg <johannes@sipsolutions.net>
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 * Copyright 2013-2015  Intel Mobile Communications GmbH
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 * Copyright (C) 2015-2017 Intel Deutschland GmbH
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 * Copyright (C) 2018-2020 Intel Corporation
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 */

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#include <linux/ieee80211.h>
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#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
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#include <linux/slab.h>
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#include <net/net_namespace.h>
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#include <linux/rcupdate.h>
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#include <linux/fips.h>
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#include <linux/if_ether.h>
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#include <net/cfg80211.h>
#include "ieee80211_i.h"
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#include "driver-ops.h"
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#include "rate.h"
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#include "mesh.h"
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#include "wme.h"
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static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
					 struct vif_params *params)
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{
	bool mu_mimo_groups = false;
	bool mu_mimo_follow = false;

	if (params->vht_mumimo_groups) {
		u64 membership;

		BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);

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		memcpy(sdata->vif.bss_conf.mu_group.membership,
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		       params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
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		memcpy(sdata->vif.bss_conf.mu_group.position,
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		       params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
		       WLAN_USER_POSITION_LEN);
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		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
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		/* don't care about endianness - just check for 0 */
		memcpy(&membership, params->vht_mumimo_groups,
		       WLAN_MEMBERSHIP_LEN);
		mu_mimo_groups = membership != 0;
	}

	if (params->vht_mumimo_follow_addr) {
		mu_mimo_follow =
			is_valid_ether_addr(params->vht_mumimo_follow_addr);
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		ether_addr_copy(sdata->u.mntr.mu_follow_addr,
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				params->vht_mumimo_follow_addr);
	}

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	sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
}

static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
				     struct vif_params *params)
{
	struct ieee80211_local *local = sdata->local;
	struct ieee80211_sub_if_data *monitor_sdata;

	/* check flags first */
	if (params->flags && ieee80211_sdata_running(sdata)) {
		u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;

		/*
		 * Prohibit MONITOR_FLAG_COOK_FRAMES and
		 * MONITOR_FLAG_ACTIVE to be changed while the
		 * interface is up.
		 * Else we would need to add a lot of cruft
		 * to update everything:
		 *	cooked_mntrs, monitor and all fif_* counters
		 *	reconfigure hardware
		 */
		if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
			return -EBUSY;
	}

	/* also validate MU-MIMO change */
	monitor_sdata = rtnl_dereference(local->monitor_sdata);

	if (!monitor_sdata &&
	    (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
		return -EOPNOTSUPP;

	/* apply all changes now - no failures allowed */

	if (monitor_sdata)
		ieee80211_set_mu_mimo_follow(monitor_sdata, params);

	if (params->flags) {
		if (ieee80211_sdata_running(sdata)) {
			ieee80211_adjust_monitor_flags(sdata, -1);
			sdata->u.mntr.flags = params->flags;
			ieee80211_adjust_monitor_flags(sdata, 1);

			ieee80211_configure_filter(local);
		} else {
			/*
			 * Because the interface is down, ieee80211_do_stop
			 * and ieee80211_do_open take care of "everything"
			 * mentioned in the comment above.
			 */
			sdata->u.mntr.flags = params->flags;
		}
	}
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	return 0;
}

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static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
						const char *name,
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						unsigned char name_assign_type,
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						enum nl80211_iftype type,
						struct vif_params *params)
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{
	struct ieee80211_local *local = wiphy_priv(wiphy);
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	struct wireless_dev *wdev;
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	struct ieee80211_sub_if_data *sdata;
	int err;
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	err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
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	if (err)
		return ERR_PTR(err);
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	sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

	if (type == NL80211_IFTYPE_MONITOR) {
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		err = ieee80211_set_mon_options(sdata, params);
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		if (err) {
			ieee80211_if_remove(sdata);
			return NULL;
		}
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	}

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	return wdev;
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}

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static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
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{
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	ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
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	return 0;
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}

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static int ieee80211_change_iface(struct wiphy *wiphy,
				  struct net_device *dev,
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				  enum nl80211_iftype type,
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				  struct vif_params *params)
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{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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	int ret;
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	ret = ieee80211_if_change_type(sdata, type);
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	if (ret)
		return ret;
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	if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
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		RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
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		ieee80211_check_fast_rx_iface(sdata);
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	} else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
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		sdata->u.mgd.use_4addr = params->use_4addr;
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	}
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	if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
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		ret = ieee80211_set_mon_options(sdata, params);
		if (ret)
			return ret;
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	}
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	return 0;
}

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static int ieee80211_start_p2p_device(struct wiphy *wiphy,
				      struct wireless_dev *wdev)
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
	int ret;

	mutex_lock(&sdata->local->chanctx_mtx);
	ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
	mutex_unlock(&sdata->local->chanctx_mtx);
	if (ret < 0)
		return ret;

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	return ieee80211_do_open(wdev, true);
}

static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
				      struct wireless_dev *wdev)
{
	ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
}

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static int ieee80211_start_nan(struct wiphy *wiphy,
			       struct wireless_dev *wdev,
			       struct cfg80211_nan_conf *conf)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
	int ret;

	mutex_lock(&sdata->local->chanctx_mtx);
	ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
	mutex_unlock(&sdata->local->chanctx_mtx);
	if (ret < 0)
		return ret;

	ret = ieee80211_do_open(wdev, true);
	if (ret)
		return ret;

	ret = drv_start_nan(sdata->local, sdata, conf);
	if (ret)
		ieee80211_sdata_stop(sdata);

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	sdata->u.nan.conf = *conf;

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	return ret;
}

static void ieee80211_stop_nan(struct wiphy *wiphy,
			       struct wireless_dev *wdev)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

	drv_stop_nan(sdata->local, sdata);
	ieee80211_sdata_stop(sdata);
}

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static int ieee80211_nan_change_conf(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     struct cfg80211_nan_conf *conf,
				     u32 changes)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
	struct cfg80211_nan_conf new_conf;
	int ret = 0;

	if (sdata->vif.type != NL80211_IFTYPE_NAN)
		return -EOPNOTSUPP;

	if (!ieee80211_sdata_running(sdata))
		return -ENETDOWN;

	new_conf = sdata->u.nan.conf;

	if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
		new_conf.master_pref = conf->master_pref;

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	if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
		new_conf.bands = conf->bands;
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	ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
	if (!ret)
		sdata->u.nan.conf = new_conf;

	return ret;
}

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static int ieee80211_add_nan_func(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  struct cfg80211_nan_func *nan_func)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
	int ret;

	if (sdata->vif.type != NL80211_IFTYPE_NAN)
		return -EOPNOTSUPP;

	if (!ieee80211_sdata_running(sdata))
		return -ENETDOWN;

	spin_lock_bh(&sdata->u.nan.func_lock);

	ret = idr_alloc(&sdata->u.nan.function_inst_ids,
			nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
			GFP_ATOMIC);
	spin_unlock_bh(&sdata->u.nan.func_lock);

	if (ret < 0)
		return ret;

	nan_func->instance_id = ret;

	WARN_ON(nan_func->instance_id == 0);

	ret = drv_add_nan_func(sdata->local, sdata, nan_func);
	if (ret) {
		spin_lock_bh(&sdata->u.nan.func_lock);
		idr_remove(&sdata->u.nan.function_inst_ids,
			   nan_func->instance_id);
		spin_unlock_bh(&sdata->u.nan.func_lock);
	}

	return ret;
}

static struct cfg80211_nan_func *
ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
				  u64 cookie)
{
	struct cfg80211_nan_func *func;
	int id;

	lockdep_assert_held(&sdata->u.nan.func_lock);

	idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
		if (func->cookie == cookie)
			return func;
	}

	return NULL;
}

static void ieee80211_del_nan_func(struct wiphy *wiphy,
				  struct wireless_dev *wdev, u64 cookie)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
	struct cfg80211_nan_func *func;
	u8 instance_id = 0;

	if (sdata->vif.type != NL80211_IFTYPE_NAN ||
	    !ieee80211_sdata_running(sdata))
		return;

	spin_lock_bh(&sdata->u.nan.func_lock);

	func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
	if (func)
		instance_id = func->instance_id;

	spin_unlock_bh(&sdata->u.nan.func_lock);

	if (instance_id)
		drv_del_nan_func(sdata->local, sdata, instance_id);
}

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static int ieee80211_set_noack_map(struct wiphy *wiphy,
				  struct net_device *dev,
				  u16 noack_map)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	sdata->noack_map = noack_map;
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	ieee80211_check_fast_xmit_iface(sdata);

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	return 0;
}

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static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
			    const u8 *mac_addr, u8 key_idx)
{
	struct ieee80211_local *local = sdata->local;
	struct ieee80211_key *key;
	struct sta_info *sta;
	int ret = -EINVAL;

	if (!wiphy_ext_feature_isset(local->hw.wiphy,
				     NL80211_EXT_FEATURE_EXT_KEY_ID))
		return -EINVAL;

	sta = sta_info_get_bss(sdata, mac_addr);

	if (!sta)
		return -EINVAL;

	if (sta->ptk_idx == key_idx)
		return 0;

	mutex_lock(&local->key_mtx);
	key = key_mtx_dereference(local, sta->ptk[key_idx]);

	if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
		ret = ieee80211_set_tx_key(key);

	mutex_unlock(&local->key_mtx);
	return ret;
}

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static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
385
			     u8 key_idx, bool pairwise, const u8 *mac_addr,
386 387
			     struct key_params *params)
{
388
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
389
	struct ieee80211_local *local = sdata->local;
390
	struct sta_info *sta = NULL;
391
	const struct ieee80211_cipher_scheme *cs = NULL;
392
	struct ieee80211_key *key;
393
	int err;
394

395
	if (!ieee80211_sdata_running(sdata))
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		return -ENETDOWN;

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	if (pairwise && params->mode == NL80211_KEY_SET_TX)
		return ieee80211_set_tx(sdata, mac_addr, key_idx);

401
	/* reject WEP and TKIP keys if WEP failed to initialize */
402 403 404
	switch (params->cipher) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_TKIP:
405
	case WLAN_CIPHER_SUITE_WEP104:
406
		if (WARN_ON_ONCE(fips_enabled))
407
			return -EINVAL;
408
	case WLAN_CIPHER_SUITE_CCMP:
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Jouni Malinen 已提交
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	case WLAN_CIPHER_SUITE_CCMP_256:
410
	case WLAN_CIPHER_SUITE_AES_CMAC:
411
	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
412 413
	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
414
	case WLAN_CIPHER_SUITE_GCMP:
415
	case WLAN_CIPHER_SUITE_GCMP_256:
416
		break;
417
	default:
418
		cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
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		break;
420 421
	}

422
	key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
423 424
				  params->key, params->seq_len, params->seq,
				  cs);
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	if (IS_ERR(key))
		return PTR_ERR(key);
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	if (pairwise)
		key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;

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	if (params->mode == NL80211_KEY_NO_TX)
		key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;

434
	mutex_lock(&local->sta_mtx);
435

436
	if (mac_addr) {
437
		sta = sta_info_get_bss(sdata, mac_addr);
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		/*
		 * The ASSOC test makes sure the driver is ready to
		 * receive the key. When wpa_supplicant has roamed
		 * using FT, it attempts to set the key before
		 * association has completed, this rejects that attempt
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		 * so it will set the key again after association.
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		 *
		 * TODO: accept the key if we have a station entry and
		 *       add it to the device after the station.
		 */
		if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
449
			ieee80211_key_free_unused(key);
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			err = -ENOENT;
			goto out_unlock;
452
		}
453 454
	}

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	switch (sdata->vif.type) {
	case NL80211_IFTYPE_STATION:
		if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
			key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
		break;
	case NL80211_IFTYPE_AP:
	case NL80211_IFTYPE_AP_VLAN:
		/* Keys without a station are used for TX only */
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		if (sta && test_sta_flag(sta, WLAN_STA_MFP))
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			key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
		break;
	case NL80211_IFTYPE_ADHOC:
		/* no MFP (yet) */
		break;
	case NL80211_IFTYPE_MESH_POINT:
#ifdef CONFIG_MAC80211_MESH
		if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
			key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
		break;
#endif
	case NL80211_IFTYPE_WDS:
	case NL80211_IFTYPE_MONITOR:
	case NL80211_IFTYPE_P2P_DEVICE:
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	case NL80211_IFTYPE_NAN:
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	case NL80211_IFTYPE_UNSPECIFIED:
	case NUM_NL80211_IFTYPES:
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
483
	case NL80211_IFTYPE_OCB:
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		/* shouldn't happen */
		WARN_ON_ONCE(1);
		break;
	}

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	if (sta)
		sta->cipher_scheme = cs;

492
	err = ieee80211_key_link(key, sdata, sta);
493

494
 out_unlock:
495
	mutex_unlock(&local->sta_mtx);
496 497

	return err;
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}

static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
501
			     u8 key_idx, bool pairwise, const u8 *mac_addr)
502
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
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	struct sta_info *sta;
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	struct ieee80211_key *key = NULL;
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	int ret;

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	mutex_lock(&local->sta_mtx);
	mutex_lock(&local->key_mtx);
511

512
	if (mac_addr) {
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		ret = -ENOENT;

515
		sta = sta_info_get_bss(sdata, mac_addr);
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		if (!sta)
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			goto out_unlock;
518

519
		if (pairwise)
520
			key = key_mtx_dereference(local, sta->ptk[key_idx]);
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		else
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			key = key_mtx_dereference(local, sta->gtk[key_idx]);
523
	} else
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		key = key_mtx_dereference(local, sdata->keys[key_idx]);
525

526
	if (!key) {
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		ret = -ENOENT;
		goto out_unlock;
	}
530

531
	ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
532

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	ret = 0;
 out_unlock:
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	mutex_unlock(&local->key_mtx);
	mutex_unlock(&local->sta_mtx);
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	return ret;
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}

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static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
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			     u8 key_idx, bool pairwise, const u8 *mac_addr,
			     void *cookie,
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			     void (*callback)(void *cookie,
					      struct key_params *params))
{
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	struct ieee80211_sub_if_data *sdata;
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	struct sta_info *sta = NULL;
	u8 seq[6] = {0};
	struct key_params params;
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	struct ieee80211_key *key = NULL;
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	u64 pn64;
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	u32 iv32;
	u16 iv16;
	int err = -ENOENT;
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	struct ieee80211_key_seq kseq = {};
557

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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	rcu_read_lock();

562
	if (mac_addr) {
563
		sta = sta_info_get_bss(sdata, mac_addr);
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		if (!sta)
			goto out;

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		if (pairwise && key_idx < NUM_DEFAULT_KEYS)
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			key = rcu_dereference(sta->ptk[key_idx]);
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		else if (!pairwise &&
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			 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
			 NUM_DEFAULT_BEACON_KEYS)
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			key = rcu_dereference(sta->gtk[key_idx]);
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	} else
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		key = rcu_dereference(sdata->keys[key_idx]);
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	if (!key)
		goto out;

	memset(&params, 0, sizeof(params));

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	params.cipher = key->conf.cipher;
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	switch (key->conf.cipher) {
	case WLAN_CIPHER_SUITE_TKIP:
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		pn64 = atomic64_read(&key->conf.tx_pn);
		iv32 = TKIP_PN_TO_IV32(pn64);
		iv16 = TKIP_PN_TO_IV16(pn64);
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		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
		    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
			drv_get_key_seq(sdata->local, key, &kseq);
			iv32 = kseq.tkip.iv32;
			iv16 = kseq.tkip.iv16;
		}
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		seq[0] = iv16 & 0xff;
		seq[1] = (iv16 >> 8) & 0xff;
		seq[2] = iv32 & 0xff;
		seq[3] = (iv32 >> 8) & 0xff;
		seq[4] = (iv32 >> 16) & 0xff;
		seq[5] = (iv32 >> 24) & 0xff;
		params.seq = seq;
		params.seq_len = 6;
		break;
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	case WLAN_CIPHER_SUITE_CCMP:
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Jouni Malinen 已提交
606
	case WLAN_CIPHER_SUITE_CCMP_256:
607
	case WLAN_CIPHER_SUITE_AES_CMAC:
608
	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
609 610
		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
			     offsetof(typeof(kseq), aes_cmac));
611
		fallthrough;
612 613
	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
614 615
		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
			     offsetof(typeof(kseq), aes_gmac));
616
		fallthrough;
617 618
	case WLAN_CIPHER_SUITE_GCMP:
	case WLAN_CIPHER_SUITE_GCMP_256:
619 620 621
		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
			     offsetof(typeof(kseq), gcmp));

622 623 624
		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
		    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
			drv_get_key_seq(sdata->local, key, &kseq);
625
			memcpy(seq, kseq.ccmp.pn, 6);
626
		} else {
627
			pn64 = atomic64_read(&key->conf.tx_pn);
628 629 630 631 632 633 634
			seq[0] = pn64;
			seq[1] = pn64 >> 8;
			seq[2] = pn64 >> 16;
			seq[3] = pn64 >> 24;
			seq[4] = pn64 >> 32;
			seq[5] = pn64 >> 40;
		}
635 636 637
		params.seq = seq;
		params.seq_len = 6;
		break;
638 639 640 641 642 643 644 645 646
	default:
		if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
			break;
		if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
			break;
		drv_get_key_seq(sdata->local, key, &kseq);
		params.seq = kseq.hw.seq;
		params.seq_len = kseq.hw.seq_len;
		break;
647 648 649 650 651 652 653 654 655
	}

	params.key = key->conf.key;
	params.key_len = key->conf.keylen;

	callback(cookie, &params);
	err = 0;

 out:
656
	rcu_read_unlock();
657 658 659
	return err;
}

660 661
static int ieee80211_config_default_key(struct wiphy *wiphy,
					struct net_device *dev,
662 663
					u8 key_idx, bool uni,
					bool multi)
664
{
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665
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
666

667
	ieee80211_set_default_key(sdata, key_idx, uni, multi);
668 669 670 671

	return 0;
}

672 673 674 675
static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
					     struct net_device *dev,
					     u8 key_idx)
{
676
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
677 678 679 680 681 682

	ieee80211_set_default_mgmt_key(sdata, key_idx);

	return 0;
}

683 684 685 686 687 688 689 690 691 692 693
static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
					       struct net_device *dev,
					       u8 key_idx)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	ieee80211_set_default_beacon_key(sdata, key_idx);

	return 0;
}

694 695 696 697 698
void sta_set_rate_info_tx(struct sta_info *sta,
			  const struct ieee80211_tx_rate *rate,
			  struct rate_info *rinfo)
{
	rinfo->flags = 0;
699
	if (rate->flags & IEEE80211_TX_RC_MCS) {
700
		rinfo->flags |= RATE_INFO_FLAGS_MCS;
701 702 703 704 705 706 707
		rinfo->mcs = rate->idx;
	} else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
		rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
		rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
		rinfo->nss = ieee80211_rate_get_vht_nss(rate);
	} else {
		struct ieee80211_supported_band *sband;
708 709 710
		int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
		u16 brate;

711
		sband = ieee80211_get_sband(sta->sdata);
712 713
		WARN_ON_ONCE(sband && !sband->bitrates);
		if (sband && sband->bitrates) {
714 715 716
			brate = sband->bitrates[rate->idx].bitrate;
			rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
		}
717
	}
718
	if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
719 720 721 722 723 724 725
		rinfo->bw = RATE_INFO_BW_40;
	else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
		rinfo->bw = RATE_INFO_BW_80;
	else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
		rinfo->bw = RATE_INFO_BW_160;
	else
		rinfo->bw = RATE_INFO_BW_20;
726 727 728 729
	if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
}

730
static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
731
				  int idx, u8 *mac, struct station_info *sinfo)
732
{
733
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
734
	struct ieee80211_local *local = sdata->local;
735
	struct sta_info *sta;
736 737
	int ret = -ENOENT;

738
	mutex_lock(&local->sta_mtx);
739

740
	sta = sta_info_get_by_idx(sdata, idx);
741 742
	if (sta) {
		ret = 0;
743
		memcpy(mac, sta->sta.addr, ETH_ALEN);
744
		sta_set_sinfo(sta, sinfo, true);
745
	}
746

747
	mutex_unlock(&local->sta_mtx);
748

749
	return ret;
750 751
}

752 753 754 755 756 757 758 759
static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
				 int idx, struct survey_info *survey)
{
	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);

	return drv_get_survey(local, idx, survey);
}

760
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
761
				 const u8 *mac, struct station_info *sinfo)
762
{
763
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
764
	struct ieee80211_local *local = sdata->local;
765
	struct sta_info *sta;
766
	int ret = -ENOENT;
767

768
	mutex_lock(&local->sta_mtx);
769

770
	sta = sta_info_get_bss(sdata, mac);
771 772
	if (sta) {
		ret = 0;
773
		sta_set_sinfo(sta, sinfo, true);
774 775
	}

776
	mutex_unlock(&local->sta_mtx);
777 778

	return ret;
779 780
}

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Johannes Berg 已提交
781
static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
782
					 struct cfg80211_chan_def *chandef)
783 784
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
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Johannes Berg 已提交
785 786
	struct ieee80211_sub_if_data *sdata;
	int ret = 0;
787

788
	if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
J
Johannes Berg 已提交
789
		return 0;
790

791
	mutex_lock(&local->mtx);
J
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792
	if (local->use_chanctx) {
793
		sdata = rtnl_dereference(local->monitor_sdata);
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Johannes Berg 已提交
794 795
		if (sdata) {
			ieee80211_vif_release_channel(sdata);
796
			ret = ieee80211_vif_use_channel(sdata, chandef,
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Johannes Berg 已提交
797 798 799
					IEEE80211_CHANCTX_EXCLUSIVE);
		}
	} else if (local->open_count == local->monitors) {
800
		local->_oper_chandef = *chandef;
J
Johannes Berg 已提交
801 802
		ieee80211_hw_config(local, 0);
	}
803

804 805
	if (ret == 0)
		local->monitor_chandef = *chandef;
806
	mutex_unlock(&local->mtx);
807

J
Johannes Berg 已提交
808
	return ret;
809 810
}

811
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
812 813
				    const u8 *resp, size_t resp_len,
				    const struct ieee80211_csa_settings *csa)
814
{
815
	struct probe_resp *new, *old;
816 817

	if (!resp || !resp_len)
818
		return 1;
819

820
	old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
821

822
	new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
823 824 825
	if (!new)
		return -ENOMEM;

826 827
	new->len = resp_len;
	memcpy(new->data, resp, resp_len);
828

829
	if (csa)
830
		memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
831
		       csa->n_counter_offsets_presp *
832
		       sizeof(new->cntdwn_counter_offsets[0]));
833

834
	rcu_assign_pointer(sdata->u.ap.probe_resp, new);
835 836
	if (old)
		kfree_rcu(old, rcu_head);
837 838 839 840

	return 0;
}

841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867
static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
					struct cfg80211_fils_discovery *params)
{
	struct fils_discovery_data *new, *old = NULL;
	struct ieee80211_fils_discovery *fd;

	if (!params->tmpl || !params->tmpl_len)
		return -EINVAL;

	fd = &sdata->vif.bss_conf.fils_discovery;
	fd->min_interval = params->min_interval;
	fd->max_interval = params->max_interval;

	old = sdata_dereference(sdata->u.ap.fils_discovery, sdata);
	new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
	if (!new)
		return -ENOMEM;
	new->len = params->tmpl_len;
	memcpy(new->data, params->tmpl, params->tmpl_len);
	rcu_assign_pointer(sdata->u.ap.fils_discovery, new);

	if (old)
		kfree_rcu(old, rcu_head);

	return 0;
}

868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893
static int
ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
				     struct cfg80211_unsol_bcast_probe_resp *params)
{
	struct unsol_bcast_probe_resp_data *new, *old = NULL;

	if (!params->tmpl || !params->tmpl_len)
		return -EINVAL;

	old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata);
	new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
	if (!new)
		return -ENOMEM;
	new->len = params->tmpl_len;
	memcpy(new->data, params->tmpl, params->tmpl_len);
	rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new);

	if (old)
		kfree_rcu(old, rcu_head);

	sdata->vif.bss_conf.unsol_bcast_probe_resp_interval =
							params->interval;

	return 0;
}

894 895 896 897 898 899 900 901 902 903
static int ieee80211_set_ftm_responder_params(
				struct ieee80211_sub_if_data *sdata,
				const u8 *lci, size_t lci_len,
				const u8 *civicloc, size_t civicloc_len)
{
	struct ieee80211_ftm_responder_params *new, *old;
	struct ieee80211_bss_conf *bss_conf;
	u8 *pos;
	int len;

904 905
	if (!lci_len && !civicloc_len)
		return 0;
906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935

	bss_conf = &sdata->vif.bss_conf;
	old = bss_conf->ftmr_params;
	len = lci_len + civicloc_len;

	new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
	if (!new)
		return -ENOMEM;

	pos = (u8 *)(new + 1);
	if (lci_len) {
		new->lci_len = lci_len;
		new->lci = pos;
		memcpy(pos, lci, lci_len);
		pos += lci_len;
	}

	if (civicloc_len) {
		new->civicloc_len = civicloc_len;
		new->civicloc = pos;
		memcpy(pos, civicloc, civicloc_len);
		pos += civicloc_len;
	}

	bss_conf->ftmr_params = new;
	kfree(old);

	return 0;
}

936
static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
937 938
				   struct cfg80211_beacon_data *params,
				   const struct ieee80211_csa_settings *csa)
939 940 941
{
	struct beacon_data *new, *old;
	int new_head_len, new_tail_len;
942 943
	int size, err;
	u32 changed = BSS_CHANGED_BEACON;
944

945 946
	old = sdata_dereference(sdata->u.ap.beacon, sdata);

947 948 949

	/* Need to have a beacon head if we don't have one yet */
	if (!params->head && !old)
950
		return -EINVAL;
951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981

	/* new or old head? */
	if (params->head)
		new_head_len = params->head_len;
	else
		new_head_len = old->head_len;

	/* new or old tail? */
	if (params->tail || !old)
		/* params->tail_len will be zero for !params->tail */
		new_tail_len = params->tail_len;
	else
		new_tail_len = old->tail_len;

	size = sizeof(*new) + new_head_len + new_tail_len;

	new = kzalloc(size, GFP_KERNEL);
	if (!new)
		return -ENOMEM;

	/* start filling the new info now */

	/*
	 * pointers go into the block we allocated,
	 * memory is | beacon_data | head | tail |
	 */
	new->head = ((u8 *) new) + sizeof(*new);
	new->tail = new->head + new_head_len;
	new->head_len = new_head_len;
	new->tail_len = new_tail_len;

982
	if (csa) {
983 984
		new->cntdwn_current_counter = csa->count;
		memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
985
		       csa->n_counter_offsets_beacon *
986
		       sizeof(new->cntdwn_counter_offsets[0]));
987 988
	}

989 990 991 992 993 994 995 996 997 998 999 1000 1001
	/* copy in head */
	if (params->head)
		memcpy(new->head, params->head, new_head_len);
	else
		memcpy(new->head, old->head, new_head_len);

	/* copy in optional tail */
	if (params->tail)
		memcpy(new->tail, params->tail, new_tail_len);
	else
		if (old)
			memcpy(new->tail, old->tail, new_tail_len);

1002
	err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1003
				       params->probe_resp_len, csa);
1004 1005
	if (err < 0) {
		kfree(new);
1006
		return err;
1007
	}
1008
	if (err == 0)
1009 1010
		changed |= BSS_CHANGED_AP_PROBE_RESP;

1011 1012 1013 1014 1015 1016 1017 1018
	if (params->ftm_responder != -1) {
		sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
		err = ieee80211_set_ftm_responder_params(sdata,
							 params->lci,
							 params->lci_len,
							 params->civicloc,
							 params->civicloc_len);

1019 1020
		if (err < 0) {
			kfree(new);
1021
			return err;
1022
		}
1023 1024 1025 1026

		changed |= BSS_CHANGED_FTM_RESPONDER;
	}

1027 1028 1029 1030
	rcu_assign_pointer(sdata->u.ap.beacon, new);

	if (old)
		kfree_rcu(old, rcu_head);
1031

1032
	return changed;
1033 1034
}

1035 1036
static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
			      struct cfg80211_ap_settings *params)
1037
{
1038
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1039
	struct ieee80211_local *local = sdata->local;
1040
	struct beacon_data *old;
1041
	struct ieee80211_sub_if_data *vlan;
1042 1043 1044
	u32 changed = BSS_CHANGED_BEACON_INT |
		      BSS_CHANGED_BEACON_ENABLED |
		      BSS_CHANGED_BEACON |
1045
		      BSS_CHANGED_SSID |
1046
		      BSS_CHANGED_P2P_PS |
1047
		      BSS_CHANGED_TXPOWER |
1048
		      BSS_CHANGED_TWT;
1049
	int i, err;
1050
	int prev_beacon_int;
1051

1052
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1053 1054 1055
	if (old)
		return -EALREADY;

1056 1057 1058 1059
	if (params->smps_mode != NL80211_SMPS_OFF)
		return -ENOTSUPP;

	sdata->smps_mode = IEEE80211_SMPS_OFF;
1060

1061 1062
	sdata->needed_rx_chains = sdata->local->rx_chains;

1063
	prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1064 1065
	sdata->vif.bss_conf.beacon_int = params->beacon_interval;

1066
	if (params->he_cap && params->he_oper) {
1067
		sdata->vif.bss_conf.he_support = true;
1068 1069 1070 1071 1072 1073
		sdata->vif.bss_conf.htc_trig_based_pkt_ext =
			le32_get_bits(params->he_oper->he_oper_params,
			      IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
		sdata->vif.bss_conf.frame_time_rts_th =
			le32_get_bits(params->he_oper->he_oper_params,
			      IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1074 1075
		changed |= BSS_CHANGED_HE_OBSS_PD;

1076
		if (params->he_bss_color.enabled)
1077
			changed |= BSS_CHANGED_HE_BSS_COLOR;
1078
	}
1079

1080
	mutex_lock(&local->mtx);
1081
	err = ieee80211_vif_use_channel(sdata, &params->chandef,
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Johannes Berg 已提交
1082
					IEEE80211_CHANCTX_SHARED);
1083 1084
	if (!err)
		ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1085
	mutex_unlock(&local->mtx);
1086 1087
	if (err) {
		sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1088
		return err;
1089
	}
1090

1091 1092 1093 1094 1095 1096
	/*
	 * Apply control port protocol, this allows us to
	 * not encrypt dynamic WEP control frames.
	 */
	sdata->control_port_protocol = params->crypto.control_port_ethertype;
	sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1097 1098
	sdata->control_port_over_nl80211 =
				params->crypto.control_port_over_nl80211;
1099 1100
	sdata->control_port_no_preauth =
				params->crypto.control_port_no_preauth;
1101 1102 1103 1104
	sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
							&params->crypto,
							sdata->vif.type);

1105 1106 1107 1108 1109
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
		vlan->control_port_protocol =
			params->crypto.control_port_ethertype;
		vlan->control_port_no_encrypt =
			params->crypto.control_port_no_encrypt;
1110 1111
		vlan->control_port_over_nl80211 =
			params->crypto.control_port_over_nl80211;
1112 1113
		vlan->control_port_no_preauth =
			params->crypto.control_port_no_preauth;
1114 1115 1116 1117
		vlan->encrypt_headroom =
			ieee80211_cs_headroom(sdata->local,
					      &params->crypto,
					      vlan->vif.type);
1118 1119
	}

1120
	sdata->vif.bss_conf.dtim_period = params->dtim_period;
1121
	sdata->vif.bss_conf.enable_beacon = true;
1122
	sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1123
	sdata->vif.bss_conf.twt_responder = params->twt_responder;
1124 1125
	memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
	       sizeof(struct ieee80211_he_obss_pd));
1126 1127
	memcpy(&sdata->vif.bss_conf.he_bss_color, &params->he_bss_color,
	       sizeof(struct ieee80211_he_bss_color));
1128 1129
	sdata->vif.bss_conf.s1g = params->chandef.chan->band ==
				  NL80211_BAND_S1GHZ;
1130 1131 1132 1133 1134 1135 1136 1137

	sdata->vif.bss_conf.ssid_len = params->ssid_len;
	if (params->ssid_len)
		memcpy(sdata->vif.bss_conf.ssid, params->ssid,
		       params->ssid_len);
	sdata->vif.bss_conf.hidden_ssid =
		(params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);

J
Janusz Dziedzic 已提交
1138 1139 1140 1141 1142 1143 1144
	memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
	       sizeof(sdata->vif.bss_conf.p2p_noa_attr));
	sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
		params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
	if (params->p2p_opp_ps)
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
					IEEE80211_P2P_OPPPS_ENABLE_BIT;
1145

1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156
	sdata->beacon_rate_set = false;
	if (wiphy_ext_feature_isset(local->hw.wiphy,
				    NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
		for (i = 0; i < NUM_NL80211_BANDS; i++) {
			sdata->beacon_rateidx_mask[i] =
				params->beacon_rate.control[i].legacy;
			if (sdata->beacon_rateidx_mask[i])
				sdata->beacon_rate_set = true;
		}
	}

1157 1158 1159
	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
		sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate;

1160
	err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1161 1162
	if (err < 0)
		goto error;
1163 1164
	changed |= err;

1165 1166 1167 1168 1169 1170 1171 1172
	if (params->fils_discovery.max_interval) {
		err = ieee80211_set_fils_discovery(sdata,
						   &params->fils_discovery);
		if (err < 0)
			goto error;
		changed |= BSS_CHANGED_FILS_DISCOVERY;
	}

1173 1174 1175 1176 1177 1178 1179 1180
	if (params->unsol_bcast_probe_resp.interval) {
		err = ieee80211_set_unsol_bcast_probe_resp(sdata,
							   &params->unsol_bcast_probe_resp);
		if (err < 0)
			goto error;
		changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
	}

1181 1182
	err = drv_start_ap(sdata->local, sdata);
	if (err) {
1183 1184
		old = sdata_dereference(sdata->u.ap.beacon, sdata);

1185 1186 1187
		if (old)
			kfree_rcu(old, rcu_head);
		RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1188
		goto error;
1189 1190
	}

1191
	ieee80211_recalc_dtim(local, sdata);
1192 1193
	ieee80211_bss_info_change_notify(sdata, changed);

1194 1195 1196 1197
	netif_carrier_on(dev);
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_on(vlan->dev);

1198
	return 0;
1199 1200 1201 1202

error:
	ieee80211_vif_release_channel(sdata);
	return err;
1203 1204
}

1205 1206
static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
				   struct cfg80211_beacon_data *params)
1207
{
1208
	struct ieee80211_sub_if_data *sdata;
1209
	struct beacon_data *old;
1210
	int err;
1211

1212
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1213
	sdata_assert_lock(sdata);
1214

1215 1216 1217 1218 1219 1220
	/* don't allow changing the beacon while CSA is in place - offset
	 * of channel switch counter may change
	 */
	if (sdata->vif.csa_active)
		return -EBUSY;

1221
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1222 1223 1224
	if (!old)
		return -ENOENT;

1225
	err = ieee80211_assign_beacon(sdata, params, NULL);
1226 1227 1228 1229
	if (err < 0)
		return err;
	ieee80211_bss_info_change_notify(sdata, err);
	return 0;
1230 1231
}

1232
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1233
{
1234 1235 1236 1237 1238
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_sub_if_data *vlan;
	struct ieee80211_local *local = sdata->local;
	struct beacon_data *old_beacon;
	struct probe_resp *old_probe_resp;
1239
	struct fils_discovery_data *old_fils_discovery;
1240
	struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1241
	struct cfg80211_chan_def chandef;
1242

1243 1244
	sdata_assert_lock(sdata);

1245
	old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1246
	if (!old_beacon)
1247
		return -ENOENT;
1248
	old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1249 1250
	old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery,
					       sdata);
1251 1252 1253
	old_unsol_bcast_probe_resp =
		sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp,
				  sdata);
1254

1255
	/* abort any running channel switch */
1256
	mutex_lock(&local->mtx);
1257
	sdata->vif.csa_active = false;
1258 1259 1260 1261 1262 1263
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}

1264 1265
	mutex_unlock(&local->mtx);

1266 1267 1268
	kfree(sdata->u.ap.next_beacon);
	sdata->u.ap.next_beacon = NULL;

1269
	/* turn off carrier for this interface and dependent VLANs */
1270 1271 1272 1273
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_off(vlan->dev);
	netif_carrier_off(dev);

1274
	/* remove beacon and probe response */
1275
	RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1276
	RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1277
	RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL);
1278
	RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL);
1279 1280 1281
	kfree_rcu(old_beacon, rcu_head);
	if (old_probe_resp)
		kfree_rcu(old_probe_resp, rcu_head);
1282 1283
	if (old_fils_discovery)
		kfree_rcu(old_fils_discovery, rcu_head);
1284 1285
	if (old_unsol_bcast_probe_resp)
		kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1286

1287 1288 1289
	kfree(sdata->vif.bss_conf.ftmr_params);
	sdata->vif.bss_conf.ftmr_params = NULL;

1290
	__sta_info_flush(sdata, true);
1291
	ieee80211_free_keys(sdata, true);
1292

1293
	sdata->vif.bss_conf.enable_beacon = false;
1294
	sdata->beacon_rate_set = false;
1295
	sdata->vif.bss_conf.ssid_len = 0;
1296
	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1297
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1298

1299
	if (sdata->wdev.cac_started) {
1300
		chandef = sdata->vif.bss_conf.chandef;
1301
		cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1302 1303
		cfg80211_cac_event(sdata->dev, &chandef,
				   NL80211_RADAR_CAC_ABORTED,
1304 1305 1306
				   GFP_KERNEL);
	}

1307 1308
	drv_stop_ap(sdata->local, sdata);

1309 1310
	/* free all potentially still buffered bcast frames */
	local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1311
	ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1312

1313
	mutex_lock(&local->mtx);
1314
	ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
J
Johannes Berg 已提交
1315
	ieee80211_vif_release_channel(sdata);
1316
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
1317

1318
	return 0;
1319 1320
}

1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337
static int sta_apply_auth_flags(struct ieee80211_local *local,
				struct sta_info *sta,
				u32 mask, u32 set)
{
	int ret;

	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
	    set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
	    !test_sta_flag(sta, WLAN_STA_AUTH)) {
		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
	    set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
	    !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1338 1339 1340 1341 1342
		/*
		 * When peer becomes associated, init rate control as
		 * well. Some drivers require rate control initialized
		 * before drv_sta_state() is called.
		 */
1343
		if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1344 1345
			rate_control_rate_init(sta);

1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380
		ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
			ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
		else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
		else
			ret = 0;
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
	    !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
	    test_sta_flag(sta, WLAN_STA_ASSOC)) {
		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
	    !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
	    test_sta_flag(sta, WLAN_STA_AUTH)) {
		ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
		if (ret)
			return ret;
	}

	return 0;
}

1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394
static void sta_apply_mesh_params(struct ieee80211_local *local,
				  struct sta_info *sta,
				  struct station_parameters *params)
{
#ifdef CONFIG_MAC80211_MESH
	struct ieee80211_sub_if_data *sdata = sta->sdata;
	u32 changed = 0;

	if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
		switch (params->plink_state) {
		case NL80211_PLINK_ESTAB:
			if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
				changed = mesh_plink_inc_estab_count(sdata);
			sta->mesh->plink_state = params->plink_state;
1395
			sta->mesh->aid = params->peer_aid;
1396 1397 1398 1399

			ieee80211_mps_sta_status_update(sta);
			changed |= ieee80211_mps_set_sta_local_pm(sta,
				      sdata->u.mesh.mshcfg.power_mode);
1400 1401 1402 1403 1404

			ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
			/* init at low value */
			ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);

1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445
			break;
		case NL80211_PLINK_LISTEN:
		case NL80211_PLINK_BLOCKED:
		case NL80211_PLINK_OPN_SNT:
		case NL80211_PLINK_OPN_RCVD:
		case NL80211_PLINK_CNF_RCVD:
		case NL80211_PLINK_HOLDING:
			if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
				changed = mesh_plink_dec_estab_count(sdata);
			sta->mesh->plink_state = params->plink_state;

			ieee80211_mps_sta_status_update(sta);
			changed |= ieee80211_mps_set_sta_local_pm(sta,
					NL80211_MESH_POWER_UNKNOWN);
			break;
		default:
			/*  nothing  */
			break;
		}
	}

	switch (params->plink_action) {
	case NL80211_PLINK_ACTION_NO_ACTION:
		/* nothing */
		break;
	case NL80211_PLINK_ACTION_OPEN:
		changed |= mesh_plink_open(sta);
		break;
	case NL80211_PLINK_ACTION_BLOCK:
		changed |= mesh_plink_block(sta);
		break;
	}

	if (params->local_pm)
		changed |= ieee80211_mps_set_sta_local_pm(sta,
							  params->local_pm);

	ieee80211_mbss_info_change_notify(sdata, changed);
#endif
}

1446 1447 1448
static int sta_apply_parameters(struct ieee80211_local *local,
				struct sta_info *sta,
				struct station_parameters *params)
1449
{
1450
	int ret = 0;
1451
	struct ieee80211_supported_band *sband;
1452
	struct ieee80211_sub_if_data *sdata = sta->sdata;
1453
	u32 mask, set;
1454

1455 1456 1457
	sband = ieee80211_get_sband(sdata);
	if (!sband)
		return -EINVAL;
J
Johannes Berg 已提交
1458

1459 1460
	mask = params->sta_flags_mask;
	set = params->sta_flags_set;
J
Johannes Berg 已提交
1461

1462 1463 1464 1465 1466 1467 1468 1469 1470
	if (ieee80211_vif_is_mesh(&sdata->vif)) {
		/*
		 * In mesh mode, ASSOCIATED isn't part of the nl80211
		 * API but must follow AUTHENTICATED for driver state.
		 */
		if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
			mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
		if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
			set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482
	} else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
		/*
		 * TDLS -- everything follows authorized, but
		 * only becoming authorized is possible, not
		 * going back
		 */
		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
			set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
			       BIT(NL80211_STA_FLAG_ASSOCIATED);
			mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
				BIT(NL80211_STA_FLAG_ASSOCIATED);
		}
1483
	}
1484

1485 1486 1487 1488
	if (mask & BIT(NL80211_STA_FLAG_WME) &&
	    local->hw.queues >= IEEE80211_NUM_ACS)
		sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);

1489 1490 1491 1492 1493
	/* auth flags will be set later for TDLS,
	 * and for unassociated stations that move to assocaited */
	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
	      (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1494 1495 1496 1497
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}
1498

1499 1500
	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
J
Johannes Berg 已提交
1501 1502 1503
			set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
		else
			clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1504
	}
1505

1506
	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1507
		sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1508
		if (set & BIT(NL80211_STA_FLAG_MFP))
J
Johannes Berg 已提交
1509 1510 1511
			set_sta_flag(sta, WLAN_STA_MFP);
		else
			clear_sta_flag(sta, WLAN_STA_MFP);
1512
	}
1513

1514 1515
	if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
		if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
J
Johannes Berg 已提交
1516 1517 1518
			set_sta_flag(sta, WLAN_STA_TDLS_PEER);
		else
			clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1519
	}
1520

1521 1522 1523 1524 1525 1526 1527
	/* mark TDLS channel switch support, if the AP allows it */
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    !sdata->u.mgd.tdls_chan_switch_prohibited &&
	    params->ext_capab_len >= 4 &&
	    params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
		set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);

1528
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1529
	    !sdata->u.mgd.tdls_wider_bw_prohibited &&
1530 1531 1532 1533 1534
	    ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
	    params->ext_capab_len >= 8 &&
	    params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
		set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);

1535 1536 1537 1538
	if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
		sta->sta.uapsd_queues = params->uapsd_queues;
		sta->sta.max_sp = params->max_sp;
	}
1539

1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567
	/* The sender might not have sent the last bit, consider it to be 0 */
	if (params->ext_capab_len >= 8) {
		u8 val = (params->ext_capab[7] &
			  WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;

		/* we did get all the bits, take the MSB as well */
		if (params->ext_capab_len >= 9) {
			u8 val_msb = params->ext_capab[8] &
				WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
			val_msb <<= 1;
			val |= val_msb;
		}

		switch (val) {
		case 1:
			sta->sta.max_amsdu_subframes = 32;
			break;
		case 2:
			sta->sta.max_amsdu_subframes = 16;
			break;
		case 3:
			sta->sta.max_amsdu_subframes = 8;
			break;
		default:
			sta->sta.max_amsdu_subframes = 0;
		}
	}

1568 1569 1570 1571 1572 1573 1574
	/*
	 * cfg80211 validates this (1-2007) and allows setting the AID
	 * only when creating a new station entry
	 */
	if (params->aid)
		sta->sta.aid = params->aid;

J
Johannes Berg 已提交
1575
	/*
1576 1577 1578 1579 1580
	 * Some of the following updates would be racy if called on an
	 * existing station, via ieee80211_change_station(). However,
	 * all such changes are rejected by cfg80211 except for updates
	 * changing the supported rates on an existing but not yet used
	 * TDLS peer.
J
Johannes Berg 已提交
1581 1582
	 */

1583 1584 1585
	if (params->listen_interval >= 0)
		sta->listen_interval = params->listen_interval;

1586 1587 1588 1589 1590 1591 1592 1593 1594
	if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
		sta->sta.txpwr.type = params->txpwr.type;
		if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
			sta->sta.txpwr.power = params->txpwr.power;
		ret = drv_sta_set_txpwr(local, sdata, sta);
		if (ret)
			return ret;
	}

1595
	if (params->supported_rates && params->supported_rates_len) {
1596 1597 1598
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
					 sband, params->supported_rates,
					 params->supported_rates_len,
1599
					 &sta->sta.supp_rates[sband->band]);
1600
	}
1601

J
Johannes Berg 已提交
1602
	if (params->ht_capa)
B
Ben Greear 已提交
1603
		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1604
						  params->ht_capa, sta);
1605

1606
	/* VHT can override some HT caps such as the A-MSDU max length */
M
Mahesh Palivela 已提交
1607 1608
	if (params->vht_capa)
		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1609
						    params->vht_capa, sta);
M
Mahesh Palivela 已提交
1610

L
Luca Coelho 已提交
1611 1612 1613
	if (params->he_capa)
		ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
						  (void *)params->he_capa,
1614 1615 1616
						  params->he_capa_len,
						  (void *)params->he_6ghz_capa,
						  sta);
L
Luca Coelho 已提交
1617

1618 1619 1620 1621
	if (params->opmode_notif_used) {
		/* returned value is only needed for rc update, but the
		 * rc isn't initialized here yet, so ignore it
		 */
1622 1623
		__ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
					      sband->band);
1624 1625
	}

1626 1627 1628
	if (params->support_p2p_ps >= 0)
		sta->sta.support_p2p_ps = params->support_p2p_ps;

1629 1630
	if (ieee80211_vif_is_mesh(&sdata->vif))
		sta_apply_mesh_params(local, sta, params);
1631

1632 1633 1634
	if (params->airtime_weight)
		sta->airtime_weight = params->airtime_weight;

1635
	/* set the STA state after all sta info from usermode has been set */
1636 1637
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1638 1639 1640 1641 1642
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}

1643
	return 0;
1644 1645 1646
}

static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1647 1648
				 const u8 *mac,
				 struct station_parameters *params)
1649
{
1650
	struct ieee80211_local *local = wiphy_priv(wiphy);
1651 1652
	struct sta_info *sta;
	struct ieee80211_sub_if_data *sdata;
J
Johannes Berg 已提交
1653
	int err;
1654 1655 1656 1657

	if (params->vlan) {
		sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

1658 1659
		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    sdata->vif.type != NL80211_IFTYPE_AP)
1660 1661 1662 1663
			return -EINVAL;
	} else
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1664
	if (ether_addr_equal(mac, sdata->vif.addr))
1665 1666
		return -EINVAL;

1667
	if (!is_valid_ether_addr(mac))
1668 1669
		return -EINVAL;

J
Johannes Berg 已提交
1670 1671 1672 1673 1674
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
	    sdata->vif.type == NL80211_IFTYPE_STATION &&
	    !sdata->u.mgd.associated)
		return -EINVAL;

1675
	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
J
Johannes Berg 已提交
1676 1677
	if (!sta)
		return -ENOMEM;
1678

1679 1680
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
		sta->sta.tdls = true;
1681

1682 1683 1684 1685 1686
	err = sta_apply_parameters(local, sta, params);
	if (err) {
		sta_info_free(local, sta);
		return err;
	}
1687

1688
	/*
1689 1690 1691
	 * for TDLS and for unassociated station, rate control should be
	 * initialized only when rates are known and station is marked
	 * authorized/associated
1692
	 */
1693 1694
	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    test_sta_flag(sta, WLAN_STA_ASSOC))
1695
		rate_control_rate_init(sta);
1696

1697
	err = sta_info_insert_rcu(sta);
J
Johannes Berg 已提交
1698 1699 1700 1701 1702 1703 1704
	if (err) {
		rcu_read_unlock();
		return err;
	}

	rcu_read_unlock();

1705 1706 1707 1708
	return 0;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1709
				 struct station_del_parameters *params)
1710
{
1711
	struct ieee80211_sub_if_data *sdata;
1712

1713 1714
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1715 1716
	if (params->mac)
		return sta_info_destroy_addr_bss(sdata, params->mac);
1717

1718
	sta_info_flush(sdata);
1719 1720 1721 1722
	return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
1723
				    struct net_device *dev, const u8 *mac,
1724 1725
				    struct station_parameters *params)
{
1726
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1727
	struct ieee80211_local *local = wiphy_priv(wiphy);
1728 1729
	struct sta_info *sta;
	struct ieee80211_sub_if_data *vlansdata;
1730
	enum cfg80211_station_type statype;
1731
	int err;
1732

1733
	mutex_lock(&local->sta_mtx);
J
Johannes Berg 已提交
1734

1735
	sta = sta_info_get_bss(sdata, mac);
J
Johannes Berg 已提交
1736
	if (!sta) {
1737 1738
		err = -ENOENT;
		goto out_err;
J
Johannes Berg 已提交
1739
	}
1740

1741 1742
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_MESH_POINT:
1743
		if (sdata->u.mesh.user_mpm)
1744
			statype = CFG80211_STA_MESH_PEER_USER;
1745
		else
1746
			statype = CFG80211_STA_MESH_PEER_KERNEL;
1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762
		break;
	case NL80211_IFTYPE_ADHOC:
		statype = CFG80211_STA_IBSS;
		break;
	case NL80211_IFTYPE_STATION:
		if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
			statype = CFG80211_STA_AP_STA;
			break;
		}
		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			statype = CFG80211_STA_TDLS_PEER_ACTIVE;
		else
			statype = CFG80211_STA_TDLS_PEER_SETUP;
		break;
	case NL80211_IFTYPE_AP:
	case NL80211_IFTYPE_AP_VLAN:
1763 1764 1765 1766
		if (test_sta_flag(sta, WLAN_STA_ASSOC))
			statype = CFG80211_STA_AP_CLIENT;
		else
			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1767 1768 1769 1770
		break;
	default:
		err = -EOPNOTSUPP;
		goto out_err;
1771 1772
	}

1773 1774 1775 1776
	err = cfg80211_check_station_change(wiphy, params, statype);
	if (err)
		goto out_err;

1777
	if (params->vlan && params->vlan != sta->sdata->dev) {
1778 1779
		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

1780
		if (params->vlan->ieee80211_ptr->use_4addr) {
J
Johannes Berg 已提交
1781
			if (vlansdata->u.vlan.sta) {
1782 1783
				err = -EBUSY;
				goto out_err;
J
Johannes Berg 已提交
1784
			}
1785

1786
			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
J
Johannes Berg 已提交
1787
			__ieee80211_check_fast_rx_iface(vlansdata);
1788
			drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1789 1790 1791
		}

		if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1792
		    sta->sdata->u.vlan.sta)
M
Monam Agarwal 已提交
1793
			RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1794 1795 1796

		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			ieee80211_vif_dec_num_mcast(sta->sdata);
1797

1798
		sta->sdata = vlansdata;
1799
		ieee80211_check_fast_xmit(sta);
1800

1801
		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1802
			ieee80211_vif_inc_num_mcast(sta->sdata);
1803 1804 1805
			cfg80211_send_layer2_update(sta->sdata->dev,
						    sta->sta.addr);
		}
1806 1807
	}

1808
	err = sta_apply_parameters(local, sta, params);
1809 1810
	if (err)
		goto out_err;
1811

1812
	mutex_unlock(&local->sta_mtx);
J
Johannes Berg 已提交
1813

1814
	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
E
Eliad Peller 已提交
1815
	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
J
Johannes Berg 已提交
1816
		ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
1817 1818
		ieee80211_recalc_ps_vif(sdata);
	}
1819

1820
	return 0;
1821 1822 1823
out_err:
	mutex_unlock(&local->sta_mtx);
	return err;
1824 1825
}

1826 1827
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1828
			       const u8 *dst, const u8 *next_hop)
1829
{
1830
	struct ieee80211_sub_if_data *sdata;
1831 1832 1833
	struct mesh_path *mpath;
	struct sta_info *sta;

1834 1835
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1836
	rcu_read_lock();
1837
	sta = sta_info_get(sdata, next_hop);
1838 1839
	if (!sta) {
		rcu_read_unlock();
1840
		return -ENOENT;
1841
	}
1842

1843 1844
	mpath = mesh_path_add(sdata, dst);
	if (IS_ERR(mpath)) {
1845
		rcu_read_unlock();
1846
		return PTR_ERR(mpath);
1847
	}
1848 1849

	mesh_path_fix_nexthop(mpath, sta);
1850

1851 1852 1853 1854 1855
	rcu_read_unlock();
	return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1856
			       const u8 *dst)
1857
{
1858 1859
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1860
	if (dst)
J
Johannes Berg 已提交
1861
		return mesh_path_del(sdata, dst);
1862

1863
	mesh_path_flush_by_iface(sdata);
1864 1865 1866
	return 0;
}

1867 1868
static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *dst, const u8 *next_hop)
1869
{
1870
	struct ieee80211_sub_if_data *sdata;
1871 1872 1873
	struct mesh_path *mpath;
	struct sta_info *sta;

1874 1875
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1876 1877
	rcu_read_lock();

1878
	sta = sta_info_get(sdata, next_hop);
1879 1880
	if (!sta) {
		rcu_read_unlock();
1881
		return -ENOENT;
1882
	}
1883

J
Johannes Berg 已提交
1884
	mpath = mesh_path_lookup(sdata, dst);
1885 1886 1887 1888 1889 1890
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}

	mesh_path_fix_nexthop(mpath, sta);
1891

1892 1893 1894 1895 1896 1897 1898
	rcu_read_unlock();
	return 0;
}

static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
			    struct mpath_info *pinfo)
{
J
Johannes Berg 已提交
1899 1900 1901 1902
	struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);

	if (next_hop_sta)
		memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1903
	else
1904
		eth_zero_addr(next_hop);
1905

1906 1907
	memset(pinfo, 0, sizeof(*pinfo));

1908
	pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1909

1910
	pinfo->filled = MPATH_INFO_FRAME_QLEN |
1911
			MPATH_INFO_SN |
1912 1913 1914 1915
			MPATH_INFO_METRIC |
			MPATH_INFO_EXPTIME |
			MPATH_INFO_DISCOVERY_TIMEOUT |
			MPATH_INFO_DISCOVERY_RETRIES |
1916
			MPATH_INFO_FLAGS |
1917 1918
			MPATH_INFO_HOP_COUNT |
			MPATH_INFO_PATH_CHANGE;
1919 1920

	pinfo->frame_qlen = mpath->frame_queue.qlen;
1921
	pinfo->sn = mpath->sn;
1922 1923 1924 1925 1926 1927 1928 1929 1930 1931
	pinfo->metric = mpath->metric;
	if (time_before(jiffies, mpath->exp_time))
		pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
	pinfo->discovery_timeout =
			jiffies_to_msecs(mpath->discovery_timeout);
	pinfo->discovery_retries = mpath->discovery_retries;
	if (mpath->flags & MESH_PATH_ACTIVE)
		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
	if (mpath->flags & MESH_PATH_RESOLVING)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1932 1933
	if (mpath->flags & MESH_PATH_SN_VALID)
		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1934 1935
	if (mpath->flags & MESH_PATH_FIXED)
		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1936 1937
	if (mpath->flags & MESH_PATH_RESOLVED)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1938
	pinfo->hop_count = mpath->hop_count;
1939
	pinfo->path_change_count = mpath->path_change_count;
1940 1941 1942 1943 1944 1945
}

static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
			       u8 *dst, u8 *next_hop, struct mpath_info *pinfo)

{
1946
	struct ieee80211_sub_if_data *sdata;
1947 1948
	struct mesh_path *mpath;

1949 1950
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1951
	rcu_read_lock();
J
Johannes Berg 已提交
1952
	mpath = mesh_path_lookup(sdata, dst);
1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}
	memcpy(dst, mpath->dst, ETH_ALEN);
	mpath_set_pinfo(mpath, next_hop, pinfo);
	rcu_read_unlock();
	return 0;
}

static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1964 1965
				int idx, u8 *dst, u8 *next_hop,
				struct mpath_info *pinfo)
1966
{
1967
	struct ieee80211_sub_if_data *sdata;
1968 1969
	struct mesh_path *mpath;

1970 1971
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1972
	rcu_read_lock();
J
Johannes Berg 已提交
1973
	mpath = mesh_path_lookup_by_idx(sdata, idx);
1974 1975 1976 1977 1978 1979 1980 1981 1982
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}
	memcpy(dst, mpath->dst, ETH_ALEN);
	mpath_set_pinfo(mpath, next_hop, pinfo);
	rcu_read_unlock();
	return 0;
}
1983

1984 1985 1986 1987 1988 1989
static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
			  struct mpath_info *pinfo)
{
	memset(pinfo, 0, sizeof(*pinfo));
	memcpy(mpp, mpath->mpp, ETH_ALEN);

1990
	pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034
}

static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
			     u8 *dst, u8 *mpp, struct mpath_info *pinfo)

{
	struct ieee80211_sub_if_data *sdata;
	struct mesh_path *mpath;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	rcu_read_lock();
	mpath = mpp_path_lookup(sdata, dst);
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}
	memcpy(dst, mpath->dst, ETH_ALEN);
	mpp_set_pinfo(mpath, mpp, pinfo);
	rcu_read_unlock();
	return 0;
}

static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
			      int idx, u8 *dst, u8 *mpp,
			      struct mpath_info *pinfo)
{
	struct ieee80211_sub_if_data *sdata;
	struct mesh_path *mpath;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	rcu_read_lock();
	mpath = mpp_path_lookup_by_idx(sdata, idx);
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}
	memcpy(dst, mpath->dst, ETH_ALEN);
	mpp_set_pinfo(mpath, mpp, pinfo);
	rcu_read_unlock();
	return 0;
}

2035
static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050
				struct net_device *dev,
				struct mesh_config *conf)
{
	struct ieee80211_sub_if_data *sdata;
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
	return 0;
}

static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
{
	return (mask >> (parm-1)) & 0x1;
}

2051 2052 2053 2054 2055
static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
		const struct mesh_setup *setup)
{
	u8 *new_ie;
	const u8 *old_ie;
2056 2057
	struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
					struct ieee80211_sub_if_data, u.mesh);
2058
	int i;
2059

2060
	/* allocate information elements */
2061
	new_ie = NULL;
2062
	old_ie = ifmsh->ie;
2063

2064 2065
	if (setup->ie_len) {
		new_ie = kmemdup(setup->ie, setup->ie_len,
2066 2067 2068 2069
				GFP_KERNEL);
		if (!new_ie)
			return -ENOMEM;
	}
2070 2071 2072
	ifmsh->ie_len = setup->ie_len;
	ifmsh->ie = new_ie;
	kfree(old_ie);
2073 2074 2075 2076

	/* now copy the rest of the setup parameters */
	ifmsh->mesh_id_len = setup->mesh_id_len;
	memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2077
	ifmsh->mesh_sp_id = setup->sync_method;
2078 2079
	ifmsh->mesh_pp_id = setup->path_sel_proto;
	ifmsh->mesh_pm_id = setup->path_metric;
2080
	ifmsh->user_mpm = setup->user_mpm;
2081
	ifmsh->mesh_auth_id = setup->auth_id;
2082
	ifmsh->security = IEEE80211_MESH_SEC_NONE;
2083
	ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2084 2085 2086 2087
	if (setup->is_authenticated)
		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
	if (setup->is_secure)
		ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2088

2089 2090 2091
	/* mcast rate setting in Mesh Node */
	memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
						sizeof(setup->mcast_rate));
2092
	sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2093

2094 2095 2096
	sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
	sdata->vif.bss_conf.dtim_period = setup->dtim_period;

2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107
	sdata->beacon_rate_set = false;
	if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
				    NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
		for (i = 0; i < NUM_NL80211_BANDS; i++) {
			sdata->beacon_rateidx_mask[i] =
				setup->beacon_rate.control[i].legacy;
			if (sdata->beacon_rateidx_mask[i])
				sdata->beacon_rate_set = true;
		}
	}

2108 2109 2110
	return 0;
}

2111
static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2112 2113
					struct net_device *dev, u32 mask,
					const struct mesh_config *nconf)
2114 2115 2116
{
	struct mesh_config *conf;
	struct ieee80211_sub_if_data *sdata;
2117 2118
	struct ieee80211_if_mesh *ifmsh;

2119
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2120
	ifmsh = &sdata->u.mesh;
2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135

	/* Set the config options which we are interested in setting */
	conf = &(sdata->u.mesh.mshcfg);
	if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
		conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
	if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
		conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
	if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
		conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
		conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
		conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
	if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
		conf->dot11MeshTTL = nconf->dot11MeshTTL;
2136
	if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2137
		conf->element_ttl = nconf->element_ttl;
2138 2139 2140
	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
		if (ifmsh->user_mpm)
			return -EBUSY;
2141
		conf->auto_open_plinks = nconf->auto_open_plinks;
2142
	}
2143 2144 2145
	if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
		conf->dot11MeshNbrOffsetMaxNeighbor =
			nconf->dot11MeshNbrOffsetMaxNeighbor;
2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
		conf->dot11MeshHWMPmaxPREQretries =
			nconf->dot11MeshHWMPmaxPREQretries;
	if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
		conf->path_refresh_time = nconf->path_refresh_time;
	if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
		conf->min_discovery_timeout = nconf->min_discovery_timeout;
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
		conf->dot11MeshHWMPactivePathTimeout =
			nconf->dot11MeshHWMPactivePathTimeout;
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
		conf->dot11MeshHWMPpreqMinInterval =
			nconf->dot11MeshHWMPpreqMinInterval;
2159 2160 2161
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
		conf->dot11MeshHWMPperrMinInterval =
			nconf->dot11MeshHWMPperrMinInterval;
2162 2163 2164 2165
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
			   mask))
		conf->dot11MeshHWMPnetDiameterTraversalTime =
			nconf->dot11MeshHWMPnetDiameterTraversalTime;
2166 2167 2168 2169
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
		ieee80211_mesh_root_setup(ifmsh);
	}
2170
	if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
T
Thomas Pedersen 已提交
2171 2172 2173 2174
		/* our current gate announcement implementation rides on root
		 * announcements, so require this ifmsh to also be a root node
		 * */
		if (nconf->dot11MeshGateAnnouncementProtocol &&
2175 2176
		    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
			conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
T
Thomas Pedersen 已提交
2177 2178
			ieee80211_mesh_root_setup(ifmsh);
		}
2179 2180 2181
		conf->dot11MeshGateAnnouncementProtocol =
			nconf->dot11MeshGateAnnouncementProtocol;
	}
2182
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2183 2184
		conf->dot11MeshHWMPRannInterval =
			nconf->dot11MeshHWMPRannInterval;
2185 2186
	if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
		conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2187 2188 2189 2190
	if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
		/* our RSSI threshold implementation is supported only for
		 * devices that report signal in dBm.
		 */
2191
		if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2192 2193 2194
			return -ENOTSUPP;
		conf->rssi_threshold = nconf->rssi_threshold;
	}
2195 2196 2197 2198 2199
	if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
		conf->ht_opmode = nconf->ht_opmode;
		sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
	}
2200 2201 2202 2203 2204 2205
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
		conf->dot11MeshHWMPactivePathToRootTimeout =
			nconf->dot11MeshHWMPactivePathToRootTimeout;
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
		conf->dot11MeshHWMProotInterval =
			nconf->dot11MeshHWMProotInterval;
2206 2207 2208
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
		conf->dot11MeshHWMPconfirmationInterval =
			nconf->dot11MeshHWMPconfirmationInterval;
M
Marco Porsch 已提交
2209 2210 2211 2212
	if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
		conf->power_mode = nconf->power_mode;
		ieee80211_mps_local_status_update(sdata);
	}
T
Thomas Pedersen 已提交
2213
	if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
M
Marco Porsch 已提交
2214 2215
		conf->dot11MeshAwakeWindowDuration =
			nconf->dot11MeshAwakeWindowDuration;
2216 2217
	if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
		conf->plink_timeout = nconf->plink_timeout;
2218 2219 2220
	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
		conf->dot11MeshConnectedToMeshGate =
			nconf->dot11MeshConnectedToMeshGate;
2221 2222
	if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
		conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2223 2224 2225
	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
		conf->dot11MeshConnectedToAuthServer =
			nconf->dot11MeshConnectedToAuthServer;
T
Thomas Pedersen 已提交
2226
	ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2227 2228 2229
	return 0;
}

2230 2231 2232 2233 2234 2235
static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
			       const struct mesh_config *conf,
			       const struct mesh_setup *setup)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2236
	int err;
2237

2238 2239 2240 2241
	memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
	err = copy_mesh_setup(ifmsh, setup);
	if (err)
		return err;
2242

2243 2244
	sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;

2245 2246 2247 2248
	/* can mesh use other SMPS modes? */
	sdata->smps_mode = IEEE80211_SMPS_OFF;
	sdata->needed_rx_chains = sdata->local->rx_chains;

2249
	mutex_lock(&sdata->local->mtx);
2250
	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
J
Johannes Berg 已提交
2251
					IEEE80211_CHANCTX_SHARED);
2252
	mutex_unlock(&sdata->local->mtx);
2253 2254 2255
	if (err)
		return err;

T
Thomas Pedersen 已提交
2256
	return ieee80211_start_mesh(sdata);
2257 2258 2259 2260 2261 2262 2263
}

static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	ieee80211_stop_mesh(sdata);
2264
	mutex_lock(&sdata->local->mtx);
J
Johannes Berg 已提交
2265
	ieee80211_vif_release_channel(sdata);
2266
	kfree(sdata->u.mesh.ie);
2267
	mutex_unlock(&sdata->local->mtx);
2268 2269 2270

	return 0;
}
2271 2272
#endif

2273 2274 2275 2276
static int ieee80211_change_bss(struct wiphy *wiphy,
				struct net_device *dev,
				struct bss_parameters *params)
{
J
Johannes Berg 已提交
2277
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2278
	struct ieee80211_supported_band *sband;
2279 2280
	u32 changed = 0;

2281
	if (!sdata_dereference(sdata->u.ap.beacon, sdata))
J
Johannes Berg 已提交
2282 2283
		return -ENOENT;

2284 2285 2286
	sband = ieee80211_get_sband(sdata);
	if (!sband)
		return -EINVAL;
2287 2288

	if (params->use_cts_prot >= 0) {
J
Johannes Berg 已提交
2289
		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2290 2291 2292
		changed |= BSS_CHANGED_ERP_CTS_PROT;
	}
	if (params->use_short_preamble >= 0) {
J
Johannes Berg 已提交
2293
		sdata->vif.bss_conf.use_short_preamble =
2294 2295 2296
			params->use_short_preamble;
		changed |= BSS_CHANGED_ERP_PREAMBLE;
	}
2297 2298

	if (!sdata->vif.bss_conf.use_short_slot &&
2299 2300
	    (sband->band == NL80211_BAND_5GHZ ||
	     sband->band == NL80211_BAND_6GHZ)) {
2301 2302 2303 2304
		sdata->vif.bss_conf.use_short_slot = true;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2305
	if (params->use_short_slot_time >= 0) {
J
Johannes Berg 已提交
2306
		sdata->vif.bss_conf.use_short_slot =
2307 2308 2309 2310
			params->use_short_slot_time;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2311
	if (params->basic_rates) {
2312
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2313
					 wiphy->bands[sband->band],
2314 2315 2316
					 params->basic_rates,
					 params->basic_rates_len,
					 &sdata->vif.bss_conf.basic_rates);
2317
		changed |= BSS_CHANGED_BASIC_RATES;
2318
		ieee80211_check_rate_mask(sdata);
2319 2320
	}

2321 2322 2323 2324 2325
	if (params->ap_isolate >= 0) {
		if (params->ap_isolate)
			sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
		else
			sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
J
Johannes Berg 已提交
2326
		ieee80211_check_fast_rx_iface(sdata);
2327 2328
	}

2329 2330 2331 2332 2333 2334
	if (params->ht_opmode >= 0) {
		sdata->vif.bss_conf.ht_operation_mode =
			(u16) params->ht_opmode;
		changed |= BSS_CHANGED_HT;
	}

2335
	if (params->p2p_ctwindow >= 0) {
J
Janusz Dziedzic 已提交
2336 2337 2338 2339
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
					~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
			params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2340 2341 2342
		changed |= BSS_CHANGED_P2P_PS;
	}

J
Janusz Dziedzic 已提交
2343 2344 2345 2346 2347 2348 2349
	if (params->p2p_opp_ps > 0) {
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
					IEEE80211_P2P_OPPPS_ENABLE_BIT;
		changed |= BSS_CHANGED_P2P_PS;
	} else if (params->p2p_opp_ps == 0) {
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
					~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2350 2351 2352
		changed |= BSS_CHANGED_P2P_PS;
	}

2353 2354 2355 2356 2357
	ieee80211_bss_info_change_notify(sdata, changed);

	return 0;
}

2358
static int ieee80211_set_txq_params(struct wiphy *wiphy,
2359
				    struct net_device *dev,
2360 2361 2362
				    struct ieee80211_txq_params *params)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2363
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2364 2365 2366 2367 2368
	struct ieee80211_tx_queue_params p;

	if (!local->ops->conf_tx)
		return -EOPNOTSUPP;

2369 2370 2371
	if (local->hw.queues < IEEE80211_NUM_ACS)
		return -EOPNOTSUPP;

2372 2373 2374 2375 2376
	memset(&p, 0, sizeof(p));
	p.aifs = params->aifs;
	p.cw_max = params->cwmax;
	p.cw_min = params->cwmin;
	p.txop = params->txop;
K
Kalle Valo 已提交
2377 2378 2379 2380 2381 2382 2383

	/*
	 * Setting tx queue params disables u-apsd because it's only
	 * called in master mode.
	 */
	p.uapsd = false;

2384 2385
	ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);

2386 2387
	sdata->tx_conf[params->ac] = p;
	if (drv_conf_tx(local, sdata, params->ac, &p)) {
J
Joe Perches 已提交
2388
		wiphy_debug(local->hw.wiphy,
2389 2390
			    "failed to set TX queue parameters for AC %d\n",
			    params->ac);
2391 2392 2393
		return -EINVAL;
	}

2394 2395
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);

2396 2397 2398
	return 0;
}

2399
#ifdef CONFIG_PM
J
Johannes Berg 已提交
2400 2401
static int ieee80211_suspend(struct wiphy *wiphy,
			     struct cfg80211_wowlan *wowlan)
2402
{
2403
	return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414
}

static int ieee80211_resume(struct wiphy *wiphy)
{
	return __ieee80211_resume(wiphy_priv(wiphy));
}
#else
#define ieee80211_suspend NULL
#define ieee80211_resume NULL
#endif

2415 2416 2417
static int ieee80211_scan(struct wiphy *wiphy,
			  struct cfg80211_scan_request *req)
{
J
Johannes Berg 已提交
2418 2419 2420
	struct ieee80211_sub_if_data *sdata;

	sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2421

2422 2423 2424 2425 2426
	switch (ieee80211_vif_type_p2p(&sdata->vif)) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
	case NL80211_IFTYPE_MESH_POINT:
	case NL80211_IFTYPE_P2P_CLIENT:
2427
	case NL80211_IFTYPE_P2P_DEVICE:
2428 2429 2430 2431
		break;
	case NL80211_IFTYPE_P2P_GO:
		if (sdata->local->ops->hw_scan)
			break;
2432 2433 2434 2435 2436
		/*
		 * FIXME: implement NoA while scanning in software,
		 * for now fall through to allow scanning only when
		 * beaconing hasn't been configured yet
		 */
2437
		fallthrough;
2438
	case NL80211_IFTYPE_AP:
2439 2440 2441 2442 2443 2444 2445 2446 2447 2448
		/*
		 * If the scan has been forced (and the driver supports
		 * forcing), don't care about being beaconing already.
		 * This will create problems to the attached stations (e.g. all
		 * the  frames sent while scanning on other channel will be
		 * lost)
		 */
		if (sdata->u.ap.beacon &&
		    (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
		     !(req->flags & NL80211_SCAN_FLAG_AP)))
2449 2450
			return -EOPNOTSUPP;
		break;
2451
	case NL80211_IFTYPE_NAN:
2452 2453 2454
	default:
		return -EOPNOTSUPP;
	}
2455 2456 2457 2458

	return ieee80211_request_scan(sdata, req);
}

2459 2460 2461 2462 2463
static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	ieee80211_scan_cancel(wiphy_priv(wiphy));
}

2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477
static int
ieee80211_sched_scan_start(struct wiphy *wiphy,
			   struct net_device *dev,
			   struct cfg80211_sched_scan_request *req)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (!sdata->local->ops->sched_scan_start)
		return -EOPNOTSUPP;

	return ieee80211_request_sched_scan_start(sdata, req);
}

static int
2478 2479
ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
			  u64 reqid)
2480
{
2481
	struct ieee80211_local *local = wiphy_priv(wiphy);
2482

2483
	if (!local->ops->sched_scan_stop)
2484 2485
		return -EOPNOTSUPP;

2486
	return ieee80211_request_sched_scan_stop(local);
2487 2488
}

2489 2490 2491
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
			  struct cfg80211_auth_request *req)
{
2492
	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2493 2494 2495 2496 2497
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_assoc_request *req)
{
2498
	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2499 2500 2501
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2502
			    struct cfg80211_deauth_request *req)
2503
{
2504
	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2505 2506 2507
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2508
			      struct cfg80211_disassoc_request *req)
2509
{
2510
	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2511 2512
}

2513 2514 2515
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			       struct cfg80211_ibss_params *params)
{
J
Johannes Berg 已提交
2516
	return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2517 2518 2519 2520
}

static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
J
Johannes Berg 已提交
2521
	return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2522 2523
}

2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534
static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
			      struct ocb_setup *setup)
{
	return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
}

static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
{
	return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
}

2535
static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2536
				    int rate[NUM_NL80211_BANDS])
2537 2538 2539
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

2540
	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2541
	       sizeof(int) * NUM_NL80211_BANDS);
2542

2543 2544
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);

2545 2546 2547
	return 0;
}

2548 2549 2550
static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2551
	int err;
2552

2553
	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
J
Johannes Berg 已提交
2554 2555
		ieee80211_check_fast_xmit_all(local);

2556 2557
		err = drv_set_frag_threshold(local, wiphy->frag_threshold);

J
Johannes Berg 已提交
2558 2559
		if (err) {
			ieee80211_check_fast_xmit_all(local);
2560
			return err;
J
Johannes Berg 已提交
2561
		}
2562 2563
	}

2564 2565 2566 2567 2568 2569 2570
	if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
	    (changed & WIPHY_PARAM_DYN_ACK)) {
		s16 coverage_class;

		coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
					wiphy->coverage_class : -1;
		err = drv_set_coverage_class(local, coverage_class);
2571 2572 2573 2574 2575

		if (err)
			return err;
	}

2576
	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2577
		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2578

2579 2580
		if (err)
			return err;
2581 2582
	}

2583 2584 2585
	if (changed & WIPHY_PARAM_RETRY_SHORT) {
		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2586
		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2587 2588 2589 2590
	}
	if (changed & WIPHY_PARAM_RETRY_LONG) {
		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2591
		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2592
	}
2593 2594 2595 2596
	if (changed &
	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);

2597 2598 2599 2600 2601
	if (changed & (WIPHY_PARAM_TXQ_LIMIT |
		       WIPHY_PARAM_TXQ_MEMORY_LIMIT |
		       WIPHY_PARAM_TXQ_QUANTUM))
		ieee80211_txq_set_params(local);

2602 2603 2604
	return 0;
}

2605
static int ieee80211_set_tx_power(struct wiphy *wiphy,
2606
				  struct wireless_dev *wdev,
2607
				  enum nl80211_tx_power_setting type, int mbm)
2608 2609
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2610
	struct ieee80211_sub_if_data *sdata;
2611 2612
	enum nl80211_tx_power_setting txp_type = type;
	bool update_txp_type = false;
2613
	bool has_monitor = false;
2614

2615 2616 2617
	if (wdev) {
		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

2618 2619 2620 2621 2622 2623
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			sdata = rtnl_dereference(local->monitor_sdata);
			if (!sdata)
				return -EOPNOTSUPP;
		}

2624 2625 2626
		switch (type) {
		case NL80211_TX_POWER_AUTOMATIC:
			sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2627
			txp_type = NL80211_TX_POWER_LIMITED;
2628 2629 2630 2631 2632 2633 2634 2635 2636
			break;
		case NL80211_TX_POWER_LIMITED:
		case NL80211_TX_POWER_FIXED:
			if (mbm < 0 || (mbm % 100))
				return -EOPNOTSUPP;
			sdata->user_power_level = MBM_TO_DBM(mbm);
			break;
		}

2637 2638 2639 2640 2641 2642
		if (txp_type != sdata->vif.bss_conf.txpower_type) {
			update_txp_type = true;
			sdata->vif.bss_conf.txpower_type = txp_type;
		}

		ieee80211_recalc_txpower(sdata, update_txp_type);
2643 2644 2645

		return 0;
	}
J
Johannes Berg 已提交
2646

2647
	switch (type) {
2648
	case NL80211_TX_POWER_AUTOMATIC:
2649
		local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2650
		txp_type = NL80211_TX_POWER_LIMITED;
2651
		break;
2652 2653 2654 2655 2656
	case NL80211_TX_POWER_LIMITED:
	case NL80211_TX_POWER_FIXED:
		if (mbm < 0 || (mbm % 100))
			return -EOPNOTSUPP;
		local->user_power_level = MBM_TO_DBM(mbm);
2657 2658 2659
		break;
	}

2660
	mutex_lock(&local->iflist_mtx);
2661
	list_for_each_entry(sdata, &local->interfaces, list) {
2662 2663 2664 2665
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			has_monitor = true;
			continue;
		}
2666
		sdata->user_power_level = local->user_power_level;
2667 2668 2669 2670
		if (txp_type != sdata->vif.bss_conf.txpower_type)
			update_txp_type = true;
		sdata->vif.bss_conf.txpower_type = txp_type;
	}
2671 2672 2673
	list_for_each_entry(sdata, &local->interfaces, list) {
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
			continue;
2674
		ieee80211_recalc_txpower(sdata, update_txp_type);
2675
	}
2676
	mutex_unlock(&local->iflist_mtx);
2677

2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689
	if (has_monitor) {
		sdata = rtnl_dereference(local->monitor_sdata);
		if (sdata) {
			sdata->user_power_level = local->user_power_level;
			if (txp_type != sdata->vif.bss_conf.txpower_type)
				update_txp_type = true;
			sdata->vif.bss_conf.txpower_type = txp_type;

			ieee80211_recalc_txpower(sdata, update_txp_type);
		}
	}

2690 2691 2692
	return 0;
}

2693 2694 2695
static int ieee80211_get_tx_power(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  int *dbm)
2696 2697
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2698
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2699

2700 2701 2702
	if (local->ops->get_txpower)
		return drv_get_txpower(local, sdata, dbm);

2703 2704 2705 2706
	if (!local->use_chanctx)
		*dbm = local->hw.conf.power_level;
	else
		*dbm = sdata->vif.bss_conf.txpower;
2707 2708 2709 2710

	return 0;
}

J
Johannes Berg 已提交
2711 2712 2713 2714 2715 2716 2717
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	drv_rfkill_poll(local);
}

2718
#ifdef CONFIG_NL80211_TESTMODE
2719 2720 2721
static int ieee80211_testmode_cmd(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  void *data, int len)
2722 2723
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2724
	struct ieee80211_vif *vif = NULL;
2725 2726 2727 2728

	if (!local->ops->testmode_cmd)
		return -EOPNOTSUPP;

2729 2730 2731 2732 2733 2734 2735 2736 2737
	if (wdev) {
		struct ieee80211_sub_if_data *sdata;

		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
		if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
			vif = &sdata->vif;
	}

	return local->ops->testmode_cmd(&local->hw, vif, data, len);
2738
}
W
Wey-Yi Guy 已提交
2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751

static int ieee80211_testmode_dump(struct wiphy *wiphy,
				   struct sk_buff *skb,
				   struct netlink_callback *cb,
				   void *data, int len)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	if (!local->ops->testmode_dump)
		return -EOPNOTSUPP;

	return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
}
2752 2753
#endif

2754 2755
int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
				 enum ieee80211_smps_mode smps_mode)
2756 2757 2758 2759
{
	const u8 *ap;
	enum ieee80211_smps_mode old_req;
	int err;
2760 2761
	struct sta_info *sta;
	bool tdls_peer_found = false;
2762

2763
	lockdep_assert_held(&sdata->wdev.mtx);
2764

2765 2766 2767
	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
		return -EINVAL;

2768 2769 2770 2771 2772 2773 2774 2775 2776
	old_req = sdata->u.mgd.req_smps;
	sdata->u.mgd.req_smps = smps_mode;

	if (old_req == smps_mode &&
	    smps_mode != IEEE80211_SMPS_AUTOMATIC)
		return 0;

	/*
	 * If not associated, or current association is not an HT
2777 2778
	 * association, there's no need to do anything, just store
	 * the new value until we associate.
2779 2780
	 */
	if (!sdata->u.mgd.associated ||
2781
	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2782 2783
		return 0;

2784
	ap = sdata->u.mgd.associated->bssid;
2785

2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796
	rcu_read_lock();
	list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
		if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
		    !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			continue;

		tdls_peer_found = true;
		break;
	}
	rcu_read_unlock();

2797
	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2798
		if (tdls_peer_found || !sdata->u.mgd.powersave)
2799
			smps_mode = IEEE80211_SMPS_OFF;
2800 2801
		else
			smps_mode = IEEE80211_SMPS_DYNAMIC;
2802 2803 2804 2805 2806 2807 2808
	}

	/* send SM PS frame to AP */
	err = ieee80211_send_smps_action(sdata, smps_mode,
					 ap, ap);
	if (err)
		sdata->u.mgd.req_smps = old_req;
2809 2810
	else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
		ieee80211_teardown_tdls_peers(sdata);
2811 2812 2813 2814

	return err;
}

J
Johannes Berg 已提交
2815 2816 2817 2818 2819 2820
static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
				    bool enabled, int timeout)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);

2821
	if (sdata->vif.type != NL80211_IFTYPE_STATION)
2822 2823
		return -EOPNOTSUPP;

2824
	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
J
Johannes Berg 已提交
2825 2826 2827
		return -EOPNOTSUPP;

	if (enabled == sdata->u.mgd.powersave &&
2828
	    timeout == local->dynamic_ps_forced_timeout)
J
Johannes Berg 已提交
2829 2830 2831
		return 0;

	sdata->u.mgd.powersave = enabled;
2832
	local->dynamic_ps_forced_timeout = timeout;
J
Johannes Berg 已提交
2833

2834
	/* no change, but if automatic follow powersave */
2835
	sdata_lock(sdata);
2836
	__ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2837
	sdata_unlock(sdata);
2838

2839
	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
J
Johannes Berg 已提交
2840 2841
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);

J
Johannes Berg 已提交
2842
	ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
2843
	ieee80211_recalc_ps_vif(sdata);
2844
	ieee80211_check_fast_rx_iface(sdata);
J
Johannes Berg 已提交
2845 2846 2847 2848

	return 0;
}

2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860
static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
					 struct net_device *dev,
					 s32 rssi_thold, u32 rssi_hyst)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_vif *vif = &sdata->vif;
	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;

	if (rssi_thold == bss_conf->cqm_rssi_thold &&
	    rssi_hyst == bss_conf->cqm_rssi_hyst)
		return 0;

2861 2862 2863 2864
	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
	    !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
		return -EOPNOTSUPP;

2865 2866
	bss_conf->cqm_rssi_thold = rssi_thold;
	bss_conf->cqm_rssi_hyst = rssi_hyst;
2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893
	bss_conf->cqm_rssi_low = 0;
	bss_conf->cqm_rssi_high = 0;
	sdata->u.mgd.last_cqm_event_signal = 0;

	/* tell the driver upon association, unless already associated */
	if (sdata->u.mgd.associated &&
	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);

	return 0;
}

static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
					       struct net_device *dev,
					       s32 rssi_low, s32 rssi_high)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_vif *vif = &sdata->vif;
	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;

	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
		return -EOPNOTSUPP;

	bss_conf->cqm_rssi_low = rssi_low;
	bss_conf->cqm_rssi_high = rssi_high;
	bss_conf->cqm_rssi_thold = 0;
	bss_conf->cqm_rssi_hyst = 0;
2894
	sdata->u.mgd.last_cqm_event_signal = 0;
2895 2896

	/* tell the driver upon association, unless already associated */
2897 2898
	if (sdata->u.mgd.associated &&
	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2899 2900 2901 2902 2903
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);

	return 0;
}

J
Johannes Berg 已提交
2904 2905 2906 2907 2908 2909 2910
static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
				      struct net_device *dev,
				      const u8 *addr,
				      const struct cfg80211_bitrate_mask *mask)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2911
	int i, ret;
2912

2913 2914 2915
	if (!ieee80211_sdata_running(sdata))
		return -ENETDOWN;

2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930
	/*
	 * If active validate the setting and reject it if it doesn't leave
	 * at least one basic rate usable, since we really have to be able
	 * to send something, and if we're an AP we have to be able to do
	 * so at a basic rate so that all clients can receive it.
	 */
	if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
	    sdata->vif.bss_conf.chandef.chan) {
		u32 basic_rates = sdata->vif.bss_conf.basic_rates;
		enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;

		if (!(mask->control[band].legacy & basic_rates))
			return -EINVAL;
	}

2931 2932 2933 2934 2935 2936
	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
		ret = drv_set_bitrate_mask(local, sdata, mask);
		if (ret)
			return ret;
	}

2937
	for (i = 0; i < NUM_NL80211_BANDS; i++) {
2938 2939 2940
		struct ieee80211_supported_band *sband = wiphy->bands[i];
		int j;

2941
		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2942 2943
		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
		       sizeof(mask->control[i].ht_mcs));
2944 2945 2946
		memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
		       mask->control[i].vht_mcs,
		       sizeof(mask->control[i].vht_mcs));
2947 2948

		sdata->rc_has_mcs_mask[i] = false;
2949
		sdata->rc_has_vht_mcs_mask[i] = false;
2950 2951 2952
		if (!sband)
			continue;

2953
		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2954
			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2955
				sdata->rc_has_mcs_mask[i] = true;
2956 2957 2958
				break;
			}
		}
2959

2960 2961
		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2962
				sdata->rc_has_vht_mcs_mask[i] = true;
2963
				break;
2964
			}
2965
		}
2966
	}
J
Johannes Berg 已提交
2967

2968
	return 0;
J
Johannes Berg 已提交
2969 2970
}

2971 2972
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
					   struct net_device *dev,
2973 2974
					   struct cfg80211_chan_def *chandef,
					   u32 cac_time_ms)
2975 2976 2977 2978 2979
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	int err;

2980 2981 2982 2983 2984
	mutex_lock(&local->mtx);
	if (!list_empty(&local->roc_list) || local->scanning) {
		err = -EBUSY;
		goto out_unlock;
	}
2985 2986 2987 2988 2989 2990 2991 2992

	/* whatever, but channel contexts should not complain about that one */
	sdata->smps_mode = IEEE80211_SMPS_OFF;
	sdata->needed_rx_chains = local->rx_chains;

	err = ieee80211_vif_use_channel(sdata, chandef,
					IEEE80211_CHANCTX_SHARED);
	if (err)
2993
		goto out_unlock;
2994 2995

	ieee80211_queue_delayed_work(&sdata->local->hw,
2996 2997
				     &sdata->dfs_cac_timer_work,
				     msecs_to_jiffies(cac_time_ms));
2998

2999 3000 3001
 out_unlock:
	mutex_unlock(&local->mtx);
	return err;
3002 3003
}

3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025
static void ieee80211_end_cac(struct wiphy *wiphy,
			      struct net_device *dev)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;

	mutex_lock(&local->mtx);
	list_for_each_entry(sdata, &local->interfaces, list) {
		/* it might be waiting for the local->mtx, but then
		 * by the time it gets it, sdata->wdev.cac_started
		 * will no longer be true
		 */
		cancel_delayed_work(&sdata->dfs_cac_timer_work);

		if (sdata->wdev.cac_started) {
			ieee80211_vif_release_channel(sdata);
			sdata->wdev.cac_started = false;
		}
	}
	mutex_unlock(&local->mtx);
}

3026 3027 3028 3029 3030 3031 3032 3033 3034
static struct cfg80211_beacon_data *
cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
{
	struct cfg80211_beacon_data *new_beacon;
	u8 *pos;
	int len;

	len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
	      beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3035
	      beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073

	new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
	if (!new_beacon)
		return NULL;

	pos = (u8 *)(new_beacon + 1);
	if (beacon->head_len) {
		new_beacon->head_len = beacon->head_len;
		new_beacon->head = pos;
		memcpy(pos, beacon->head, beacon->head_len);
		pos += beacon->head_len;
	}
	if (beacon->tail_len) {
		new_beacon->tail_len = beacon->tail_len;
		new_beacon->tail = pos;
		memcpy(pos, beacon->tail, beacon->tail_len);
		pos += beacon->tail_len;
	}
	if (beacon->beacon_ies_len) {
		new_beacon->beacon_ies_len = beacon->beacon_ies_len;
		new_beacon->beacon_ies = pos;
		memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
		pos += beacon->beacon_ies_len;
	}
	if (beacon->proberesp_ies_len) {
		new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
		new_beacon->proberesp_ies = pos;
		memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
		pos += beacon->proberesp_ies_len;
	}
	if (beacon->assocresp_ies_len) {
		new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
		new_beacon->assocresp_ies = pos;
		memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
		pos += beacon->assocresp_ies_len;
	}
	if (beacon->probe_resp_len) {
		new_beacon->probe_resp_len = beacon->probe_resp_len;
3074
		new_beacon->probe_resp = pos;
3075 3076 3077
		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
		pos += beacon->probe_resp_len;
	}
3078 3079 3080

	/* might copy -1, meaning no changes requested */
	new_beacon->ftm_responder = beacon->ftm_responder;
3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092
	if (beacon->lci) {
		new_beacon->lci_len = beacon->lci_len;
		new_beacon->lci = pos;
		memcpy(pos, beacon->lci, beacon->lci_len);
		pos += beacon->lci_len;
	}
	if (beacon->civicloc) {
		new_beacon->civicloc_len = beacon->civicloc_len;
		new_beacon->civicloc = pos;
		memcpy(pos, beacon->civicloc, beacon->civicloc_len);
		pos += beacon->civicloc_len;
	}
3093 3094 3095 3096

	return new_beacon;
}

3097
void ieee80211_csa_finish(struct ieee80211_vif *vif)
3098
{
3099
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3100

3101 3102 3103 3104
	ieee80211_queue_work(&sdata->local->hw,
			     &sdata->csa_finalize_work);
}
EXPORT_SYMBOL(ieee80211_csa_finish);
3105

3106 3107
static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
					  u32 *changed)
3108
{
3109
	int err;
3110

3111 3112
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3113 3114
		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
					      NULL);
3115 3116 3117
		kfree(sdata->u.ap.next_beacon);
		sdata->u.ap.next_beacon = NULL;

3118
		if (err < 0)
3119 3120
			return err;
		*changed |= err;
3121 3122
		break;
	case NL80211_IFTYPE_ADHOC:
3123 3124
		err = ieee80211_ibss_finish_csa(sdata);
		if (err < 0)
3125 3126
			return err;
		*changed |= err;
3127
		break;
3128 3129 3130 3131
#ifdef CONFIG_MAC80211_MESH
	case NL80211_IFTYPE_MESH_POINT:
		err = ieee80211_mesh_finish_csa(sdata);
		if (err < 0)
3132 3133
			return err;
		*changed |= err;
3134 3135
		break;
#endif
3136 3137
	default:
		WARN_ON(1);
3138 3139 3140 3141 3142 3143
		return -EINVAL;
	}

	return 0;
}

3144
static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3145 3146 3147 3148 3149 3150 3151
{
	struct ieee80211_local *local = sdata->local;
	u32 changed = 0;
	int err;

	sdata_assert_lock(sdata);
	lockdep_assert_held(&local->mtx);
3152
	lockdep_assert_held(&local->chanctx_mtx);
3153

3154 3155 3156 3157 3158 3159
	/*
	 * using reservation isn't immediate as it may be deferred until later
	 * with multi-vif. once reservation is complete it will re-schedule the
	 * work with no reserved_chanctx so verify chandef to check if it
	 * completed successfully
	 */
3160

3161 3162 3163 3164 3165 3166 3167 3168 3169
	if (sdata->reserved_chanctx) {
		/*
		 * with multi-vif csa driver may call ieee80211_csa_finish()
		 * many times while waiting for other interfaces to use their
		 * reservations
		 */
		if (sdata->reserved_ready)
			return 0;

3170
		return ieee80211_vif_use_reserved_context(sdata);
3171
	}
3172

3173 3174 3175 3176
	if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
					&sdata->csa_chandef))
		return -EINVAL;

3177 3178 3179 3180
	sdata->vif.csa_active = false;

	err = ieee80211_set_after_csa_beacon(sdata, &changed);
	if (err)
3181
		return err;
3182

3183
	ieee80211_bss_info_change_notify(sdata, changed);
3184

3185 3186 3187 3188 3189
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}
3190

3191 3192 3193 3194 3195 3196
	err = drv_post_channel_switch(sdata);
	if (err)
		return err;

	cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);

3197 3198 3199 3200 3201 3202 3203 3204 3205 3206
	return 0;
}

static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
{
	if (__ieee80211_csa_finalize(sdata)) {
		sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
		cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
				    GFP_KERNEL);
	}
3207 3208 3209 3210 3211 3212 3213
}

void ieee80211_csa_finalize_work(struct work_struct *work)
{
	struct ieee80211_sub_if_data *sdata =
		container_of(work, struct ieee80211_sub_if_data,
			     csa_finalize_work);
3214
	struct ieee80211_local *local = sdata->local;
3215 3216

	sdata_lock(sdata);
3217
	mutex_lock(&local->mtx);
3218
	mutex_lock(&local->chanctx_mtx);
3219

3220 3221 3222 3223 3224 3225 3226 3227
	/* AP might have been stopped while waiting for the lock. */
	if (!sdata->vif.csa_active)
		goto unlock;

	if (!ieee80211_sdata_running(sdata))
		goto unlock;

	ieee80211_csa_finalize(sdata);
3228 3229

unlock:
3230
	mutex_unlock(&local->chanctx_mtx);
3231
	mutex_unlock(&local->mtx);
3232
	sdata_unlock(sdata);
3233 3234
}

3235 3236 3237
static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
				    struct cfg80211_csa_settings *params,
				    u32 *changed)
3238
{
3239
	struct ieee80211_csa_settings csa = {};
3240
	int err;
3241 3242 3243

	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3244 3245 3246 3247 3248
		sdata->u.ap.next_beacon =
			cfg80211_beacon_dup(&params->beacon_after);
		if (!sdata->u.ap.next_beacon)
			return -ENOMEM;

3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267
		/*
		 * With a count of 0, we don't have to wait for any
		 * TBTT before switching, so complete the CSA
		 * immediately.  In theory, with a count == 1 we
		 * should delay the switch until just before the next
		 * TBTT, but that would complicate things so we switch
		 * immediately too.  If we would delay the switch
		 * until the next TBTT, we would have to set the probe
		 * response here.
		 *
		 * TODO: A channel switch with count <= 1 without
		 * sending a CSA action frame is kind of useless,
		 * because the clients won't know we're changing
		 * channels.  The action frame must be implemented
		 * either here or in the userspace.
		 */
		if (params->count <= 1)
			break;

3268
		if ((params->n_counter_offsets_beacon >
3269
		     IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3270
		    (params->n_counter_offsets_presp >
3271
		     IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3272
			return -EINVAL;
3273

3274 3275 3276 3277 3278
		csa.counter_offsets_beacon = params->counter_offsets_beacon;
		csa.counter_offsets_presp = params->counter_offsets_presp;
		csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
		csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
		csa.count = params->count;
3279

3280
		err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3281 3282 3283 3284
		if (err < 0) {
			kfree(sdata->u.ap.next_beacon);
			return err;
		}
3285
		*changed |= err;
3286

3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313
		break;
	case NL80211_IFTYPE_ADHOC:
		if (!sdata->vif.bss_conf.ibss_joined)
			return -EINVAL;

		if (params->chandef.width != sdata->u.ibss.chandef.width)
			return -EINVAL;

		switch (params->chandef.width) {
		case NL80211_CHAN_WIDTH_40:
			if (cfg80211_get_chandef_type(&params->chandef) !=
			    cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
				return -EINVAL;
		case NL80211_CHAN_WIDTH_5:
		case NL80211_CHAN_WIDTH_10:
		case NL80211_CHAN_WIDTH_20_NOHT:
		case NL80211_CHAN_WIDTH_20:
			break;
		default:
			return -EINVAL;
		}

		/* changes into another band are not supported */
		if (sdata->u.ibss.chandef.chan->band !=
		    params->chandef.chan->band)
			return -EINVAL;

3314 3315 3316 3317 3318
		/* see comments in the NL80211_IFTYPE_AP block */
		if (params->count > 1) {
			err = ieee80211_ibss_csa_beacon(sdata, params);
			if (err < 0)
				return err;
3319
			*changed |= err;
3320 3321 3322 3323
		}

		ieee80211_send_action_csa(sdata, params);

3324
		break;
3325
#ifdef CONFIG_MAC80211_MESH
3326 3327
	case NL80211_IFTYPE_MESH_POINT: {
		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3328 3329 3330 3331 3332 3333 3334 3335 3336

		if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
			return -EINVAL;

		/* changes into another band are not supported */
		if (sdata->vif.bss_conf.chandef.chan->band !=
		    params->chandef.chan->band)
			return -EINVAL;

3337
		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3338
			ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3339 3340 3341 3342 3343
			if (!ifmsh->pre_value)
				ifmsh->pre_value = 1;
			else
				ifmsh->pre_value++;
		}
3344

3345 3346 3347 3348 3349 3350 3351
		/* see comments in the NL80211_IFTYPE_AP block */
		if (params->count > 1) {
			err = ieee80211_mesh_csa_beacon(sdata, params);
			if (err < 0) {
				ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
				return err;
			}
3352
			*changed |= err;
3353
		}
3354 3355 3356 3357

		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
			ieee80211_send_action_csa(sdata, params);

3358
		break;
3359
		}
3360
#endif
3361 3362 3363 3364
	default:
		return -EOPNOTSUPP;
	}

3365 3366 3367
	return 0;
}

3368 3369 3370
static int
__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_csa_settings *params)
3371 3372 3373
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
3374
	struct ieee80211_channel_switch ch_switch;
3375
	struct ieee80211_chanctx_conf *conf;
3376
	struct ieee80211_chanctx *chanctx;
3377 3378
	u32 changed = 0;
	int err;
3379 3380

	sdata_assert_lock(sdata);
3381
	lockdep_assert_held(&local->mtx);
3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392

	if (!list_empty(&local->roc_list) || local->scanning)
		return -EBUSY;

	if (sdata->wdev.cac_started)
		return -EBUSY;

	if (cfg80211_chandef_identical(&params->chandef,
				       &sdata->vif.bss_conf.chandef))
		return -EINVAL;

3393 3394 3395 3396
	/* don't allow another channel switch if one is already active. */
	if (sdata->vif.csa_active)
		return -EBUSY;

3397 3398 3399 3400
	mutex_lock(&local->chanctx_mtx);
	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
					 lockdep_is_held(&local->chanctx_mtx));
	if (!conf) {
3401 3402
		err = -EBUSY;
		goto out;
3403 3404
	}

3405 3406 3407 3408 3409 3410
	if (params->chandef.chan->freq_offset) {
		/* this may work, but is untested */
		err = -EOPNOTSUPP;
		goto out;
	}

3411
	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3412

3413 3414 3415 3416 3417 3418
	ch_switch.timestamp = 0;
	ch_switch.device_timestamp = 0;
	ch_switch.block_tx = params->block_tx;
	ch_switch.chandef = params->chandef;
	ch_switch.count = params->count;

3419 3420 3421 3422
	err = drv_pre_channel_switch(sdata, &ch_switch);
	if (err)
		goto out;

3423 3424 3425 3426 3427
	err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
					    chanctx->mode,
					    params->radar_required);
	if (err)
		goto out;
3428

3429 3430 3431 3432 3433 3434
	/* if reservation is invalid then this will fail */
	err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
	if (err) {
		ieee80211_vif_unreserve_chanctx(sdata);
		goto out;
	}
3435 3436

	err = ieee80211_set_csa_beacon(sdata, params, &changed);
3437 3438 3439 3440
	if (err) {
		ieee80211_vif_unreserve_chanctx(sdata);
		goto out;
	}
3441

3442
	sdata->csa_chandef = params->chandef;
3443
	sdata->csa_block_tx = params->block_tx;
3444 3445
	sdata->vif.csa_active = true;

3446
	if (sdata->csa_block_tx)
3447 3448
		ieee80211_stop_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
3449

3450 3451 3452
	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
					  params->count);

3453 3454 3455 3456 3457 3458 3459
	if (changed) {
		ieee80211_bss_info_change_notify(sdata, changed);
		drv_channel_switch_beacon(sdata, &params->chandef);
	} else {
		/* if the beacon didn't change, we can finalize immediately */
		ieee80211_csa_finalize(sdata);
	}
3460

3461 3462 3463
out:
	mutex_unlock(&local->chanctx_mtx);
	return err;
3464 3465
}

3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479
int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
			     struct cfg80211_csa_settings *params)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	int err;

	mutex_lock(&local->mtx);
	err = __ieee80211_channel_switch(wiphy, dev, params);
	mutex_unlock(&local->mtx);

	return err;
}

3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492
u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
{
	lockdep_assert_held(&local->mtx);

	local->roc_cookie_counter++;

	/* wow, you wrapped 64 bits ... more likely a bug */
	if (WARN_ON(local->roc_cookie_counter == 0))
		local->roc_cookie_counter++;

	return local->roc_cookie_counter;
}

3493 3494
int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
			     u64 *cookie, gfp_t gfp)
3495 3496 3497 3498 3499 3500 3501
{
	unsigned long spin_flags;
	struct sk_buff *ack_skb;
	int id;

	ack_skb = skb_copy(skb, gfp);
	if (!ack_skb)
3502
		return -ENOMEM;
3503 3504 3505

	spin_lock_irqsave(&local->ack_status_lock, spin_flags);
	id = idr_alloc(&local->ack_status_frames, ack_skb,
3506
		       1, 0x2000, GFP_ATOMIC);
3507 3508 3509 3510
	spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);

	if (id < 0) {
		kfree_skb(ack_skb);
3511
		return -ENOMEM;
3512 3513 3514 3515 3516 3517 3518
	}

	IEEE80211_SKB_CB(skb)->ack_frame_id = id;

	*cookie = ieee80211_mgmt_tx_cookie(local);
	IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;

3519
	return 0;
3520 3521
}

3522 3523
static void
ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3524
					  struct wireless_dev *wdev,
3525
					  struct mgmt_frame_regs *upd)
3526 3527
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
3528
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3529
	u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3530
	u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3531
	bool global_change, intf_change;
3532

3533
	global_change =
3534 3535 3536
		(local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
		(local->rx_mcast_action_reg !=
		 !!(upd->global_mcast_stypes & action_mask));
3537
	local->probe_req_reg = upd->global_stypes & preq_mask;
3538
	local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3539

3540 3541 3542 3543
	intf_change = (sdata->vif.probe_req_reg !=
		       !!(upd->interface_stypes & preq_mask)) ||
		(sdata->vif.rx_mcast_action_reg !=
		 !!(upd->interface_mcast_stypes & action_mask));
3544
	sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3545 3546
	sdata->vif.rx_mcast_action_reg =
		upd->interface_mcast_stypes & action_mask;
3547

3548 3549
	if (!local->open_count)
		return;
3550

3551 3552 3553 3554 3555
	if (intf_change && ieee80211_sdata_running(sdata))
		drv_config_iface_filter(local, sdata,
					sdata->vif.probe_req_reg ?
						FIF_PROBE_REQ : 0,
					FIF_PROBE_REQ);
3556

3557
	if (global_change)
3558
		ieee80211_configure_filter(local);
3559 3560
}

3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577
static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	if (local->started)
		return -EOPNOTSUPP;

	return drv_set_antenna(local, tx_ant, rx_ant);
}

static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	return drv_get_antenna(local, tx_ant, rx_ant);
}

3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592
static int ieee80211_set_rekey_data(struct wiphy *wiphy,
				    struct net_device *dev,
				    struct cfg80211_gtk_rekey_data *data)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (!local->ops->set_rekey_data)
		return -EOPNOTSUPP;

	drv_set_rekey_data(local, sdata, data);

	return 0;
}

J
Johannes Berg 已提交
3593 3594 3595 3596 3597 3598
static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *peer, u64 *cookie)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	struct ieee80211_qos_hdr *nullfunc;
3599
	struct sk_buff *skb;
J
Johannes Berg 已提交
3600 3601 3602 3603 3604
	int size = sizeof(*nullfunc);
	__le16 fc;
	bool qos;
	struct ieee80211_tx_info *info;
	struct sta_info *sta;
J
Johannes Berg 已提交
3605
	struct ieee80211_chanctx_conf *chanctx_conf;
3606
	enum nl80211_band band;
3607 3608 3609 3610
	int ret;

	/* the lock is needed to assign the cookie later */
	mutex_lock(&local->mtx);
J
Johannes Berg 已提交
3611 3612

	rcu_read_lock();
J
Johannes Berg 已提交
3613 3614
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (WARN_ON(!chanctx_conf)) {
3615 3616
		ret = -EINVAL;
		goto unlock;
J
Johannes Berg 已提交
3617
	}
3618
	band = chanctx_conf->def.chan->band;
3619
	sta = sta_info_get_bss(sdata, peer);
3620
	if (sta) {
3621
		qos = sta->sta.wme;
3622
	} else {
3623 3624
		ret = -ENOLINK;
		goto unlock;
3625
	}
J
Johannes Berg 已提交
3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638

	if (qos) {
		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
				 IEEE80211_STYPE_QOS_NULLFUNC |
				 IEEE80211_FCTL_FROMDS);
	} else {
		size -= 2;
		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
				 IEEE80211_STYPE_NULLFUNC |
				 IEEE80211_FCTL_FROMDS);
	}

	skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
J
Johannes Berg 已提交
3639
	if (!skb) {
3640 3641
		ret = -ENOMEM;
		goto unlock;
J
Johannes Berg 已提交
3642
	}
J
Johannes Berg 已提交
3643 3644 3645 3646 3647

	skb->dev = dev;

	skb_reserve(skb, local->hw.extra_tx_headroom);

3648
	nullfunc = skb_put(skb, size);
J
Johannes Berg 已提交
3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659
	nullfunc->frame_control = fc;
	nullfunc->duration_id = 0;
	memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
	memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
	memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
	nullfunc->seq_ctrl = 0;

	info = IEEE80211_SKB_CB(skb);

	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
		       IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3660
	info->band = band;
J
Johannes Berg 已提交
3661 3662 3663 3664 3665 3666

	skb_set_queue_mapping(skb, IEEE80211_AC_VO);
	skb->priority = 7;
	if (qos)
		nullfunc->qos_ctrl = cpu_to_le16(7);

3667 3668
	ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
	if (ret) {
3669 3670 3671 3672
		kfree_skb(skb);
		goto unlock;
	}

J
Johannes Berg 已提交
3673
	local_bh_disable();
3674
	ieee80211_xmit(sdata, sta, skb);
J
Johannes Berg 已提交
3675
	local_bh_enable();
3676 3677 3678

	ret = 0;
unlock:
J
Johannes Berg 已提交
3679
	rcu_read_unlock();
3680
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
3681

3682
	return ret;
J
Johannes Berg 已提交
3683 3684
}

3685 3686 3687
static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     struct cfg80211_chan_def *chandef)
3688
{
J
Johannes Berg 已提交
3689
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3690
	struct ieee80211_local *local = wiphy_priv(wiphy);
J
Johannes Berg 已提交
3691
	struct ieee80211_chanctx_conf *chanctx_conf;
3692
	int ret = -ENODATA;
J
Johannes Berg 已提交
3693 3694

	rcu_read_lock();
3695 3696
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (chanctx_conf) {
3697
		*chandef = sdata->vif.bss_conf.chandef;
3698 3699 3700 3701 3702 3703 3704
		ret = 0;
	} else if (local->open_count > 0 &&
		   local->open_count == local->monitors &&
		   sdata->vif.type == NL80211_IFTYPE_MONITOR) {
		if (local->use_chanctx)
			*chandef = local->monitor_chandef;
		else
3705
			*chandef = local->_oper_chandef;
3706
		ret = 0;
J
Johannes Berg 已提交
3707 3708
	}
	rcu_read_unlock();
3709

3710
	return ret;
3711 3712
}

3713 3714 3715 3716 3717 3718 3719
#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
	drv_set_wakeup(wiphy_priv(wiphy), enabled);
}
#endif

3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736
static int ieee80211_set_qos_map(struct wiphy *wiphy,
				 struct net_device *dev,
				 struct cfg80211_qos_map *qos_map)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct mac80211_qos_map *new_qos_map, *old_qos_map;

	if (qos_map) {
		new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
		if (!new_qos_map)
			return -ENOMEM;
		memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
	} else {
		/* A NULL qos_map was passed to disable QoS mapping */
		new_qos_map = NULL;
	}

3737
	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3738 3739 3740 3741 3742 3743 3744
	rcu_assign_pointer(sdata->qos_map, new_qos_map);
	if (old_qos_map)
		kfree_rcu(old_qos_map, rcu_head);

	return 0;
}

3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759
static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
				      struct net_device *dev,
				      struct cfg80211_chan_def *chandef)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	int ret;
	u32 changed = 0;

	ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
	if (ret == 0)
		ieee80211_bss_info_change_notify(sdata, changed);

	return ret;
}

3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811
static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
			       u8 tsid, const u8 *peer, u8 up,
			       u16 admitted_time)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
	int ac = ieee802_1d_to_ac[up];

	if (sdata->vif.type != NL80211_IFTYPE_STATION)
		return -EOPNOTSUPP;

	if (!(sdata->wmm_acm & BIT(up)))
		return -EINVAL;

	if (ifmgd->tx_tspec[ac].admitted_time)
		return -EBUSY;

	if (admitted_time) {
		ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
		ifmgd->tx_tspec[ac].tsid = tsid;
		ifmgd->tx_tspec[ac].up = up;
	}

	return 0;
}

static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
			       u8 tsid, const u8 *peer)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
	struct ieee80211_local *local = wiphy_priv(wiphy);
	int ac;

	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
		struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];

		/* skip unused entries */
		if (!tx_tspec->admitted_time)
			continue;

		if (tx_tspec->tsid != tsid)
			continue;

		/* due to this new packets will be reassigned to non-ACM ACs */
		tx_tspec->up = -1;

		/* Make sure that all packets have been sent to avoid to
		 * restore the QoS params on packets that are still on the
		 * queues.
		 */
		synchronize_net();
3812
		ieee80211_flush_queues(local, sdata, false);
3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829

		/* restore the normal QoS parameters
		 * (unconditionally to avoid races)
		 */
		tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
		tx_tspec->downgraded = false;
		ieee80211_sta_handle_tspec_ac_params(sdata);

		/* finally clear all the data */
		memset(tx_tspec, 0, sizeof(*tx_tspec));

		return 0;
	}

	return -ENOENT;
}

3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861
void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
				   u8 inst_id,
				   enum nl80211_nan_func_term_reason reason,
				   gfp_t gfp)
{
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
	struct cfg80211_nan_func *func;
	u64 cookie;

	if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
		return;

	spin_lock_bh(&sdata->u.nan.func_lock);

	func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
	if (WARN_ON(!func)) {
		spin_unlock_bh(&sdata->u.nan.func_lock);
		return;
	}

	cookie = func->cookie;
	idr_remove(&sdata->u.nan.function_inst_ids, inst_id);

	spin_unlock_bh(&sdata->u.nan.func_lock);

	cfg80211_free_nan_func(func);

	cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
				     reason, cookie, gfp);
}
EXPORT_SYMBOL(ieee80211_nan_func_terminated);

3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886
void ieee80211_nan_func_match(struct ieee80211_vif *vif,
			      struct cfg80211_nan_match_params *match,
			      gfp_t gfp)
{
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
	struct cfg80211_nan_func *func;

	if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
		return;

	spin_lock_bh(&sdata->u.nan.func_lock);

	func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
	if (WARN_ON(!func)) {
		spin_unlock_bh(&sdata->u.nan.func_lock);
		return;
	}
	match->cookie = func->cookie;

	spin_unlock_bh(&sdata->u.nan.func_lock);

	cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
}
EXPORT_SYMBOL(ieee80211_nan_func_match);

3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897
static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
					      struct net_device *dev,
					      const bool enabled)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	sdata->u.ap.multicast_to_unicast = enabled;

	return 0;
}

3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990
void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
			      struct txq_info *txqi)
{
	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
		txqstats->backlog_bytes = txqi->tin.backlog_bytes;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
		txqstats->backlog_packets = txqi->tin.backlog_packets;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
		txqstats->flows = txqi->tin.flows;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
		txqstats->drops = txqi->cstats.drop_count;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
		txqstats->ecn_marks = txqi->cstats.ecn_mark;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
		txqstats->overlimit = txqi->tin.overlimit;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
		txqstats->collisions = txqi->tin.collisions;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
		txqstats->tx_bytes = txqi->tin.tx_bytes;
	}

	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
		txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
		txqstats->tx_packets = txqi->tin.tx_packets;
	}
}

static int ieee80211_get_txq_stats(struct wiphy *wiphy,
				   struct wireless_dev *wdev,
				   struct cfg80211_txq_stats *txqstats)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata;
	int ret = 0;

	if (!local->ops->wake_tx_queue)
		return 1;

	spin_lock_bh(&local->fq.lock);
	rcu_read_lock();

	if (wdev) {
		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
		if (!sdata->vif.txq) {
			ret = 1;
			goto out;
		}
		ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
	} else {
		/* phy stats */
		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
				    BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
				    BIT(NL80211_TXQ_STATS_OVERLIMIT) |
				    BIT(NL80211_TXQ_STATS_OVERMEMORY) |
				    BIT(NL80211_TXQ_STATS_COLLISIONS) |
				    BIT(NL80211_TXQ_STATS_MAX_FLOWS);
		txqstats->backlog_packets = local->fq.backlog;
		txqstats->backlog_bytes = local->fq.memory_usage;
		txqstats->overlimit = local->fq.overlimit;
		txqstats->overmemory = local->fq.overmemory;
		txqstats->collisions = local->fq.collisions;
		txqstats->max_flows = local->fq.flows_cnt;
	}

out:
	rcu_read_unlock();
	spin_unlock_bh(&local->fq.lock);

	return ret;
}

3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001
static int
ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
				  struct net_device *dev,
				  struct cfg80211_ftm_responder_stats *ftm_stats)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
}

4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021
static int
ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
		     struct cfg80211_pmsr_request *request)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);

	return drv_start_pmsr(local, sdata, request);
}

static void
ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
		     struct cfg80211_pmsr_request *request)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);

	return drv_abort_pmsr(local, sdata, request);
}

4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050
static int ieee80211_set_tid_config(struct wiphy *wiphy,
				    struct net_device *dev,
				    struct cfg80211_tid_config *tid_conf)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct sta_info *sta;
	int ret;

	if (!sdata->local->ops->set_tid_config)
		return -EOPNOTSUPP;

	if (!tid_conf->peer)
		return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);

	mutex_lock(&sdata->local->sta_mtx);
	sta = sta_info_get_bss(sdata, tid_conf->peer);
	if (!sta) {
		mutex_unlock(&sdata->local->sta_mtx);
		return -ENOENT;
	}

	ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
	mutex_unlock(&sdata->local->sta_mtx);

	return ret;
}

static int ieee80211_reset_tid_config(struct wiphy *wiphy,
				      struct net_device *dev,
4051
				      const u8 *peer, u8 tids)
4052 4053 4054 4055 4056 4057 4058 4059 4060
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct sta_info *sta;
	int ret;

	if (!sdata->local->ops->reset_tid_config)
		return -EOPNOTSUPP;

	if (!peer)
4061
		return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4062 4063 4064 4065 4066 4067 4068 4069

	mutex_lock(&sdata->local->sta_mtx);
	sta = sta_info_get_bss(sdata, peer);
	if (!sta) {
		mutex_unlock(&sdata->local->sta_mtx);
		return -ENOENT;
	}

4070
	ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4071 4072 4073 4074 4075
	mutex_unlock(&sdata->local->sta_mtx);

	return ret;
}

4076
const struct cfg80211_ops mac80211_config_ops = {
4077 4078
	.add_virtual_intf = ieee80211_add_iface,
	.del_virtual_intf = ieee80211_del_iface,
4079
	.change_virtual_intf = ieee80211_change_iface,
4080 4081
	.start_p2p_device = ieee80211_start_p2p_device,
	.stop_p2p_device = ieee80211_stop_p2p_device,
4082 4083
	.add_key = ieee80211_add_key,
	.del_key = ieee80211_del_key,
4084
	.get_key = ieee80211_get_key,
4085
	.set_default_key = ieee80211_config_default_key,
4086
	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4087
	.set_default_beacon_key = ieee80211_config_default_beacon_key,
4088 4089 4090
	.start_ap = ieee80211_start_ap,
	.change_beacon = ieee80211_change_beacon,
	.stop_ap = ieee80211_stop_ap,
4091 4092 4093
	.add_station = ieee80211_add_station,
	.del_station = ieee80211_del_station,
	.change_station = ieee80211_change_station,
4094
	.get_station = ieee80211_get_station,
4095
	.dump_station = ieee80211_dump_station,
4096
	.dump_survey = ieee80211_dump_survey,
4097 4098 4099 4100 4101 4102
#ifdef CONFIG_MAC80211_MESH
	.add_mpath = ieee80211_add_mpath,
	.del_mpath = ieee80211_del_mpath,
	.change_mpath = ieee80211_change_mpath,
	.get_mpath = ieee80211_get_mpath,
	.dump_mpath = ieee80211_dump_mpath,
4103 4104
	.get_mpp = ieee80211_get_mpp,
	.dump_mpp = ieee80211_dump_mpp,
4105 4106
	.update_mesh_config = ieee80211_update_mesh_config,
	.get_mesh_config = ieee80211_get_mesh_config,
4107 4108
	.join_mesh = ieee80211_join_mesh,
	.leave_mesh = ieee80211_leave_mesh,
4109
#endif
4110 4111
	.join_ocb = ieee80211_join_ocb,
	.leave_ocb = ieee80211_leave_ocb,
4112
	.change_bss = ieee80211_change_bss,
4113
	.set_txq_params = ieee80211_set_txq_params,
4114
	.set_monitor_channel = ieee80211_set_monitor_channel,
4115 4116
	.suspend = ieee80211_suspend,
	.resume = ieee80211_resume,
4117
	.scan = ieee80211_scan,
4118
	.abort_scan = ieee80211_abort_scan,
4119 4120
	.sched_scan_start = ieee80211_sched_scan_start,
	.sched_scan_stop = ieee80211_sched_scan_stop,
4121 4122 4123 4124
	.auth = ieee80211_auth,
	.assoc = ieee80211_assoc,
	.deauth = ieee80211_deauth,
	.disassoc = ieee80211_disassoc,
4125 4126
	.join_ibss = ieee80211_join_ibss,
	.leave_ibss = ieee80211_leave_ibss,
4127
	.set_mcast_rate = ieee80211_set_mcast_rate,
4128
	.set_wiphy_params = ieee80211_set_wiphy_params,
4129 4130
	.set_tx_power = ieee80211_set_tx_power,
	.get_tx_power = ieee80211_get_tx_power,
J
Johannes Berg 已提交
4131
	.rfkill_poll = ieee80211_rfkill_poll,
4132
	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
W
Wey-Yi Guy 已提交
4133
	CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
J
Johannes Berg 已提交
4134
	.set_power_mgmt = ieee80211_set_power_mgmt,
J
Johannes Berg 已提交
4135
	.set_bitrate_mask = ieee80211_set_bitrate_mask,
4136 4137
	.remain_on_channel = ieee80211_remain_on_channel,
	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4138
	.mgmt_tx = ieee80211_mgmt_tx,
4139
	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4140
	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4141
	.set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4142 4143
	.update_mgmt_frame_registrations =
		ieee80211_update_mgmt_frame_registrations,
4144 4145
	.set_antenna = ieee80211_set_antenna,
	.get_antenna = ieee80211_get_antenna,
4146
	.set_rekey_data = ieee80211_set_rekey_data,
4147 4148
	.tdls_oper = ieee80211_tdls_oper,
	.tdls_mgmt = ieee80211_tdls_mgmt,
4149 4150
	.tdls_channel_switch = ieee80211_tdls_channel_switch,
	.tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
J
Johannes Berg 已提交
4151
	.probe_client = ieee80211_probe_client,
4152
	.set_noack_map = ieee80211_set_noack_map,
4153 4154 4155
#ifdef CONFIG_PM
	.set_wakeup = ieee80211_set_wakeup,
#endif
4156
	.get_channel = ieee80211_cfg_get_channel,
4157
	.start_radar_detection = ieee80211_start_radar_detection,
4158
	.end_cac = ieee80211_end_cac,
4159
	.channel_switch = ieee80211_channel_switch,
4160
	.set_qos_map = ieee80211_set_qos_map,
4161
	.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4162 4163
	.add_tx_ts = ieee80211_add_tx_ts,
	.del_tx_ts = ieee80211_del_tx_ts,
4164 4165
	.start_nan = ieee80211_start_nan,
	.stop_nan = ieee80211_stop_nan,
4166
	.nan_change_conf = ieee80211_nan_change_conf,
4167 4168
	.add_nan_func = ieee80211_add_nan_func,
	.del_nan_func = ieee80211_del_nan_func,
4169
	.set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4170
	.tx_control_port = ieee80211_tx_control_port,
4171
	.get_txq_stats = ieee80211_get_txq_stats,
4172
	.get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4173 4174
	.start_pmsr = ieee80211_start_pmsr,
	.abort_pmsr = ieee80211_abort_pmsr,
4175
	.probe_mesh_link = ieee80211_probe_mesh_link,
4176 4177
	.set_tid_config = ieee80211_set_tid_config,
	.reset_tid_config = ieee80211_reset_tid_config,
4178
};