cfg.c 109.2 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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146
	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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157
	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,
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			     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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	case WLAN_CIPHER_SUITE_CCMP_256:
410
	case WLAN_CIPHER_SUITE_AES_CMAC:
411
	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
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	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);
427

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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:
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	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);
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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]);
521
		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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Johannes Berg 已提交
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;

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

729
static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
730
				  int idx, u8 *mac, struct station_info *sinfo)
731
{
732
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
733
	struct ieee80211_local *local = sdata->local;
734
	struct sta_info *sta;
735 736
	int ret = -ENOENT;

737
	mutex_lock(&local->sta_mtx);
738

739
	sta = sta_info_get_by_idx(sdata, idx);
740 741
	if (sta) {
		ret = 0;
742
		memcpy(mac, sta->sta.addr, ETH_ALEN);
743
		sta_set_sinfo(sta, sinfo, true);
744
	}
745

746
	mutex_unlock(&local->sta_mtx);
747

748
	return ret;
749 750
}

751 752 753 754 755 756 757 758
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);
}

759
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
760
				 const u8 *mac, struct station_info *sinfo)
761
{
762
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
763
	struct ieee80211_local *local = sdata->local;
764
	struct sta_info *sta;
765
	int ret = -ENOENT;
766

767
	mutex_lock(&local->sta_mtx);
768

769
	sta = sta_info_get_bss(sdata, mac);
770 771
	if (sta) {
		ret = 0;
772
		sta_set_sinfo(sta, sinfo, true);
773 774
	}

775
	mutex_unlock(&local->sta_mtx);
776 777

	return ret;
778 779
}

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Johannes Berg 已提交
780
static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
781
					 struct cfg80211_chan_def *chandef)
782 783
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
J
Johannes Berg 已提交
784 785
	struct ieee80211_sub_if_data *sdata;
	int ret = 0;
786

787
	if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
J
Johannes Berg 已提交
788
		return 0;
789

790
	mutex_lock(&local->mtx);
J
Johannes Berg 已提交
791
	if (local->use_chanctx) {
792
		sdata = rtnl_dereference(local->monitor_sdata);
J
Johannes Berg 已提交
793 794
		if (sdata) {
			ieee80211_vif_release_channel(sdata);
795
			ret = ieee80211_vif_use_channel(sdata, chandef,
J
Johannes Berg 已提交
796 797 798
					IEEE80211_CHANCTX_EXCLUSIVE);
		}
	} else if (local->open_count == local->monitors) {
799
		local->_oper_chandef = *chandef;
J
Johannes Berg 已提交
800 801
		ieee80211_hw_config(local, 0);
	}
802

803 804
	if (ret == 0)
		local->monitor_chandef = *chandef;
805
	mutex_unlock(&local->mtx);
806

J
Johannes Berg 已提交
807
	return ret;
808 809
}

810
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
811 812
				    const u8 *resp, size_t resp_len,
				    const struct ieee80211_csa_settings *csa)
813
{
814
	struct probe_resp *new, *old;
815 816

	if (!resp || !resp_len)
817
		return 1;
818

819
	old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
820

821
	new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
822 823 824
	if (!new)
		return -ENOMEM;

825 826
	new->len = resp_len;
	memcpy(new->data, resp, resp_len);
827

828
	if (csa)
829
		memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
830
		       csa->n_counter_offsets_presp *
831
		       sizeof(new->cntdwn_counter_offsets[0]));
832

833
	rcu_assign_pointer(sdata->u.ap.probe_resp, new);
834 835
	if (old)
		kfree_rcu(old, rcu_head);
836 837 838 839

	return 0;
}

840 841 842 843 844 845 846 847 848 849
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;

850 851
	if (!lci_len && !civicloc_len)
		return 0;
852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881

	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;
}

882
static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
883 884
				   struct cfg80211_beacon_data *params,
				   const struct ieee80211_csa_settings *csa)
885 886 887
{
	struct beacon_data *new, *old;
	int new_head_len, new_tail_len;
888 889
	int size, err;
	u32 changed = BSS_CHANGED_BEACON;
890

891 892
	old = sdata_dereference(sdata->u.ap.beacon, sdata);

893 894 895

	/* Need to have a beacon head if we don't have one yet */
	if (!params->head && !old)
896
		return -EINVAL;
897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927

	/* 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;

928
	if (csa) {
929 930
		new->cntdwn_current_counter = csa->count;
		memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
931
		       csa->n_counter_offsets_beacon *
932
		       sizeof(new->cntdwn_counter_offsets[0]));
933 934
	}

935 936 937 938 939 940 941 942 943 944 945 946 947
	/* 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);

948
	err = ieee80211_set_probe_resp(sdata, params->probe_resp,
949
				       params->probe_resp_len, csa);
950 951
	if (err < 0) {
		kfree(new);
952
		return err;
953
	}
954
	if (err == 0)
955 956
		changed |= BSS_CHANGED_AP_PROBE_RESP;

957 958 959 960 961 962 963 964
	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);

965 966
		if (err < 0) {
			kfree(new);
967
			return err;
968
		}
969 970 971 972

		changed |= BSS_CHANGED_FTM_RESPONDER;
	}

973 974 975 976
	rcu_assign_pointer(sdata->u.ap.beacon, new);

	if (old)
		kfree_rcu(old, rcu_head);
977

978
	return changed;
979 980
}

981 982
static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
			      struct cfg80211_ap_settings *params)
983
{
984
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
985
	struct ieee80211_local *local = sdata->local;
986
	struct beacon_data *old;
987
	struct ieee80211_sub_if_data *vlan;
988 989 990
	u32 changed = BSS_CHANGED_BEACON_INT |
		      BSS_CHANGED_BEACON_ENABLED |
		      BSS_CHANGED_BEACON |
991
		      BSS_CHANGED_SSID |
992
		      BSS_CHANGED_P2P_PS |
993
		      BSS_CHANGED_TXPOWER |
994
		      BSS_CHANGED_TWT;
995
	int i, err;
996
	int prev_beacon_int;
997

998
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
999 1000 1001
	if (old)
		return -EALREADY;

1002 1003 1004 1005
	if (params->smps_mode != NL80211_SMPS_OFF)
		return -ENOTSUPP;

	sdata->smps_mode = IEEE80211_SMPS_OFF;
1006

1007 1008
	sdata->needed_rx_chains = sdata->local->rx_chains;

1009
	prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1010 1011
	sdata->vif.bss_conf.beacon_int = params->beacon_interval;

1012
	if (params->he_cap && params->he_oper) {
1013
		sdata->vif.bss_conf.he_support = true;
1014 1015 1016 1017 1018 1019
		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);
1020 1021
		changed |= BSS_CHANGED_HE_OBSS_PD;

1022
		if (params->he_bss_color.enabled)
1023
			changed |= BSS_CHANGED_HE_BSS_COLOR;
1024
	}
1025

1026
	mutex_lock(&local->mtx);
1027
	err = ieee80211_vif_use_channel(sdata, &params->chandef,
J
Johannes Berg 已提交
1028
					IEEE80211_CHANCTX_SHARED);
1029 1030
	if (!err)
		ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1031
	mutex_unlock(&local->mtx);
1032 1033
	if (err) {
		sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1034
		return err;
1035
	}
1036

1037 1038 1039 1040 1041 1042
	/*
	 * 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;
1043 1044
	sdata->control_port_over_nl80211 =
				params->crypto.control_port_over_nl80211;
1045 1046
	sdata->control_port_no_preauth =
				params->crypto.control_port_no_preauth;
1047 1048 1049 1050
	sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
							&params->crypto,
							sdata->vif.type);

1051 1052 1053 1054 1055
	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;
1056 1057
		vlan->control_port_over_nl80211 =
			params->crypto.control_port_over_nl80211;
1058 1059
		vlan->control_port_no_preauth =
			params->crypto.control_port_no_preauth;
1060 1061 1062 1063
		vlan->encrypt_headroom =
			ieee80211_cs_headroom(sdata->local,
					      &params->crypto,
					      vlan->vif.type);
1064 1065
	}

1066
	sdata->vif.bss_conf.dtim_period = params->dtim_period;
1067
	sdata->vif.bss_conf.enable_beacon = true;
1068
	sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1069
	sdata->vif.bss_conf.twt_responder = params->twt_responder;
1070 1071
	memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
	       sizeof(struct ieee80211_he_obss_pd));
1072 1073
	memcpy(&sdata->vif.bss_conf.he_bss_color, &params->he_bss_color,
	       sizeof(struct ieee80211_he_bss_color));
1074 1075 1076 1077 1078 1079 1080 1081

	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
1082 1083 1084 1085 1086 1087 1088
	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;
1089

1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100
	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;
		}
	}

1101
	err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1102 1103
	if (err < 0) {
		ieee80211_vif_release_channel(sdata);
1104
		return err;
1105
	}
1106 1107
	changed |= err;

1108 1109
	err = drv_start_ap(sdata->local, sdata);
	if (err) {
1110 1111
		old = sdata_dereference(sdata->u.ap.beacon, sdata);

1112 1113 1114
		if (old)
			kfree_rcu(old, rcu_head);
		RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1115
		ieee80211_vif_release_channel(sdata);
1116 1117 1118
		return err;
	}

1119
	ieee80211_recalc_dtim(local, sdata);
1120 1121
	ieee80211_bss_info_change_notify(sdata, changed);

1122 1123 1124 1125
	netif_carrier_on(dev);
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_on(vlan->dev);

1126
	return 0;
1127 1128
}

1129 1130
static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
				   struct cfg80211_beacon_data *params)
1131
{
1132
	struct ieee80211_sub_if_data *sdata;
1133
	struct beacon_data *old;
1134
	int err;
1135

1136
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1137
	sdata_assert_lock(sdata);
1138

1139 1140 1141 1142 1143 1144
	/* 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;

1145
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1146 1147 1148
	if (!old)
		return -ENOENT;

1149
	err = ieee80211_assign_beacon(sdata, params, NULL);
1150 1151 1152 1153
	if (err < 0)
		return err;
	ieee80211_bss_info_change_notify(sdata, err);
	return 0;
1154 1155
}

1156
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1157
{
1158 1159 1160 1161 1162
	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;
1163
	struct cfg80211_chan_def chandef;
1164

1165 1166
	sdata_assert_lock(sdata);

1167
	old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1168
	if (!old_beacon)
1169
		return -ENOENT;
1170
	old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1171

1172
	/* abort any running channel switch */
1173
	mutex_lock(&local->mtx);
1174
	sdata->vif.csa_active = false;
1175 1176 1177 1178 1179 1180
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}

1181 1182
	mutex_unlock(&local->mtx);

1183 1184 1185
	kfree(sdata->u.ap.next_beacon);
	sdata->u.ap.next_beacon = NULL;

1186
	/* turn off carrier for this interface and dependent VLANs */
1187 1188 1189 1190
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_off(vlan->dev);
	netif_carrier_off(dev);

1191
	/* remove beacon and probe response */
1192
	RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1193 1194 1195 1196
	RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
	kfree_rcu(old_beacon, rcu_head);
	if (old_probe_resp)
		kfree_rcu(old_probe_resp, rcu_head);
1197

1198 1199 1200
	kfree(sdata->vif.bss_conf.ftmr_params);
	sdata->vif.bss_conf.ftmr_params = NULL;

1201
	__sta_info_flush(sdata, true);
1202
	ieee80211_free_keys(sdata, true);
1203

1204
	sdata->vif.bss_conf.enable_beacon = false;
1205
	sdata->beacon_rate_set = false;
1206
	sdata->vif.bss_conf.ssid_len = 0;
1207
	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1208
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1209

1210
	if (sdata->wdev.cac_started) {
1211
		chandef = sdata->vif.bss_conf.chandef;
1212
		cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1213 1214
		cfg80211_cac_event(sdata->dev, &chandef,
				   NL80211_RADAR_CAC_ABORTED,
1215 1216 1217
				   GFP_KERNEL);
	}

1218 1219
	drv_stop_ap(sdata->local, sdata);

1220 1221
	/* free all potentially still buffered bcast frames */
	local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1222
	ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1223

1224
	mutex_lock(&local->mtx);
1225
	ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
J
Johannes Berg 已提交
1226
	ieee80211_vif_release_channel(sdata);
1227
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
1228

1229
	return 0;
1230 1231
}

1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248
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)) {
1249 1250 1251 1252 1253
		/*
		 * When peer becomes associated, init rate control as
		 * well. Some drivers require rate control initialized
		 * before drv_sta_state() is called.
		 */
1254
		if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1255 1256
			rate_control_rate_init(sta);

1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291
		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;
}

1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305
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;
1306
			sta->mesh->aid = params->peer_aid;
1307 1308 1309 1310

			ieee80211_mps_sta_status_update(sta);
			changed |= ieee80211_mps_set_sta_local_pm(sta,
				      sdata->u.mesh.mshcfg.power_mode);
1311 1312 1313 1314 1315

			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);

1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356
			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
}

1357 1358 1359
static int sta_apply_parameters(struct ieee80211_local *local,
				struct sta_info *sta,
				struct station_parameters *params)
1360
{
1361
	int ret = 0;
1362
	struct ieee80211_supported_band *sband;
1363
	struct ieee80211_sub_if_data *sdata = sta->sdata;
1364
	u32 mask, set;
1365

1366 1367 1368
	sband = ieee80211_get_sband(sdata);
	if (!sband)
		return -EINVAL;
J
Johannes Berg 已提交
1369

1370 1371
	mask = params->sta_flags_mask;
	set = params->sta_flags_set;
J
Johannes Berg 已提交
1372

1373 1374 1375 1376 1377 1378 1379 1380 1381
	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);
1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393
	} 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);
		}
1394
	}
1395

1396 1397 1398 1399
	if (mask & BIT(NL80211_STA_FLAG_WME) &&
	    local->hw.queues >= IEEE80211_NUM_ACS)
		sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);

1400 1401 1402 1403 1404
	/* 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)))) {
1405 1406 1407 1408
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}
1409

1410 1411
	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
J
Johannes Berg 已提交
1412 1413 1414
			set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
		else
			clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1415
	}
1416

1417
	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1418
		sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1419
		if (set & BIT(NL80211_STA_FLAG_MFP))
J
Johannes Berg 已提交
1420 1421 1422
			set_sta_flag(sta, WLAN_STA_MFP);
		else
			clear_sta_flag(sta, WLAN_STA_MFP);
1423
	}
1424

1425 1426
	if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
		if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
J
Johannes Berg 已提交
1427 1428 1429
			set_sta_flag(sta, WLAN_STA_TDLS_PEER);
		else
			clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1430
	}
1431

1432 1433 1434 1435 1436 1437 1438
	/* 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);

1439
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1440
	    !sdata->u.mgd.tdls_wider_bw_prohibited &&
1441 1442 1443 1444 1445
	    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);

1446 1447 1448 1449
	if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
		sta->sta.uapsd_queues = params->uapsd_queues;
		sta->sta.max_sp = params->max_sp;
	}
1450

1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478
	/* 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;
		}
	}

1479 1480 1481 1482 1483 1484 1485
	/*
	 * 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
1486
	/*
1487 1488 1489 1490 1491
	 * 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
1492 1493
	 */

1494 1495 1496
	if (params->listen_interval >= 0)
		sta->listen_interval = params->listen_interval;

1497 1498 1499 1500 1501 1502 1503 1504 1505
	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;
	}

1506
	if (params->supported_rates && params->supported_rates_len) {
1507 1508 1509
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
					 sband, params->supported_rates,
					 params->supported_rates_len,
1510
					 &sta->sta.supp_rates[sband->band]);
1511
	}
1512

J
Johannes Berg 已提交
1513
	if (params->ht_capa)
B
Ben Greear 已提交
1514
		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1515
						  params->ht_capa, sta);
1516

1517
	/* VHT can override some HT caps such as the A-MSDU max length */
M
Mahesh Palivela 已提交
1518 1519
	if (params->vht_capa)
		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1520
						    params->vht_capa, sta);
M
Mahesh Palivela 已提交
1521

L
Luca Coelho 已提交
1522 1523 1524
	if (params->he_capa)
		ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
						  (void *)params->he_capa,
1525 1526 1527
						  params->he_capa_len,
						  (void *)params->he_6ghz_capa,
						  sta);
L
Luca Coelho 已提交
1528

1529 1530 1531 1532
	if (params->opmode_notif_used) {
		/* returned value is only needed for rc update, but the
		 * rc isn't initialized here yet, so ignore it
		 */
1533 1534
		__ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
					      sband->band);
1535 1536
	}

1537 1538 1539
	if (params->support_p2p_ps >= 0)
		sta->sta.support_p2p_ps = params->support_p2p_ps;

1540 1541
	if (ieee80211_vif_is_mesh(&sdata->vif))
		sta_apply_mesh_params(local, sta, params);
1542

1543 1544 1545
	if (params->airtime_weight)
		sta->airtime_weight = params->airtime_weight;

1546
	/* set the STA state after all sta info from usermode has been set */
1547 1548
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1549 1550 1551 1552 1553
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}

1554
	return 0;
1555 1556 1557
}

static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1558 1559
				 const u8 *mac,
				 struct station_parameters *params)
1560
{
1561
	struct ieee80211_local *local = wiphy_priv(wiphy);
1562 1563
	struct sta_info *sta;
	struct ieee80211_sub_if_data *sdata;
J
Johannes Berg 已提交
1564
	int err;
1565 1566 1567 1568

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

1569 1570
		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    sdata->vif.type != NL80211_IFTYPE_AP)
1571 1572 1573 1574
			return -EINVAL;
	} else
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1575
	if (ether_addr_equal(mac, sdata->vif.addr))
1576 1577
		return -EINVAL;

1578
	if (!is_valid_ether_addr(mac))
1579 1580
		return -EINVAL;

J
Johannes Berg 已提交
1581 1582 1583 1584 1585
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
	    sdata->vif.type == NL80211_IFTYPE_STATION &&
	    !sdata->u.mgd.associated)
		return -EINVAL;

1586
	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
J
Johannes Berg 已提交
1587 1588
	if (!sta)
		return -ENOMEM;
1589

1590 1591
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
		sta->sta.tdls = true;
1592

1593 1594 1595 1596 1597
	err = sta_apply_parameters(local, sta, params);
	if (err) {
		sta_info_free(local, sta);
		return err;
	}
1598

1599
	/*
1600 1601 1602
	 * for TDLS and for unassociated station, rate control should be
	 * initialized only when rates are known and station is marked
	 * authorized/associated
1603
	 */
1604 1605
	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    test_sta_flag(sta, WLAN_STA_ASSOC))
1606
		rate_control_rate_init(sta);
1607

1608
	err = sta_info_insert_rcu(sta);
J
Johannes Berg 已提交
1609 1610 1611 1612 1613 1614 1615
	if (err) {
		rcu_read_unlock();
		return err;
	}

	rcu_read_unlock();

1616 1617 1618 1619
	return 0;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1620
				 struct station_del_parameters *params)
1621
{
1622
	struct ieee80211_sub_if_data *sdata;
1623

1624 1625
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1626 1627
	if (params->mac)
		return sta_info_destroy_addr_bss(sdata, params->mac);
1628

1629
	sta_info_flush(sdata);
1630 1631 1632 1633
	return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
1634
				    struct net_device *dev, const u8 *mac,
1635 1636
				    struct station_parameters *params)
{
1637
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1638
	struct ieee80211_local *local = wiphy_priv(wiphy);
1639 1640
	struct sta_info *sta;
	struct ieee80211_sub_if_data *vlansdata;
1641
	enum cfg80211_station_type statype;
1642
	int err;
1643

1644
	mutex_lock(&local->sta_mtx);
J
Johannes Berg 已提交
1645

1646
	sta = sta_info_get_bss(sdata, mac);
J
Johannes Berg 已提交
1647
	if (!sta) {
1648 1649
		err = -ENOENT;
		goto out_err;
J
Johannes Berg 已提交
1650
	}
1651

1652 1653
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_MESH_POINT:
1654
		if (sdata->u.mesh.user_mpm)
1655
			statype = CFG80211_STA_MESH_PEER_USER;
1656
		else
1657
			statype = CFG80211_STA_MESH_PEER_KERNEL;
1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
		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:
1674 1675 1676 1677
		if (test_sta_flag(sta, WLAN_STA_ASSOC))
			statype = CFG80211_STA_AP_CLIENT;
		else
			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1678 1679 1680 1681
		break;
	default:
		err = -EOPNOTSUPP;
		goto out_err;
1682 1683
	}

1684 1685 1686 1687
	err = cfg80211_check_station_change(wiphy, params, statype);
	if (err)
		goto out_err;

1688
	if (params->vlan && params->vlan != sta->sdata->dev) {
1689 1690
		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

1691
		if (params->vlan->ieee80211_ptr->use_4addr) {
J
Johannes Berg 已提交
1692
			if (vlansdata->u.vlan.sta) {
1693 1694
				err = -EBUSY;
				goto out_err;
J
Johannes Berg 已提交
1695
			}
1696

1697
			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
J
Johannes Berg 已提交
1698
			__ieee80211_check_fast_rx_iface(vlansdata);
1699
			drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1700 1701 1702
		}

		if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1703
		    sta->sdata->u.vlan.sta)
M
Monam Agarwal 已提交
1704
			RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1705 1706 1707

		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			ieee80211_vif_dec_num_mcast(sta->sdata);
1708

1709
		sta->sdata = vlansdata;
1710
		ieee80211_check_fast_xmit(sta);
1711

1712
		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1713
			ieee80211_vif_inc_num_mcast(sta->sdata);
1714 1715 1716
			cfg80211_send_layer2_update(sta->sdata->dev,
						    sta->sta.addr);
		}
1717 1718
	}

1719
	err = sta_apply_parameters(local, sta, params);
1720 1721
	if (err)
		goto out_err;
1722

1723
	mutex_unlock(&local->sta_mtx);
J
Johannes Berg 已提交
1724

1725
	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
E
Eliad Peller 已提交
1726
	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
J
Johannes Berg 已提交
1727
		ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
1728 1729
		ieee80211_recalc_ps_vif(sdata);
	}
1730

1731
	return 0;
1732 1733 1734
out_err:
	mutex_unlock(&local->sta_mtx);
	return err;
1735 1736
}

1737 1738
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1739
			       const u8 *dst, const u8 *next_hop)
1740
{
1741
	struct ieee80211_sub_if_data *sdata;
1742 1743 1744
	struct mesh_path *mpath;
	struct sta_info *sta;

1745 1746
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1747
	rcu_read_lock();
1748
	sta = sta_info_get(sdata, next_hop);
1749 1750
	if (!sta) {
		rcu_read_unlock();
1751
		return -ENOENT;
1752
	}
1753

1754 1755
	mpath = mesh_path_add(sdata, dst);
	if (IS_ERR(mpath)) {
1756
		rcu_read_unlock();
1757
		return PTR_ERR(mpath);
1758
	}
1759 1760

	mesh_path_fix_nexthop(mpath, sta);
1761

1762 1763 1764 1765 1766
	rcu_read_unlock();
	return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1767
			       const u8 *dst)
1768
{
1769 1770
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1771
	if (dst)
J
Johannes Berg 已提交
1772
		return mesh_path_del(sdata, dst);
1773

1774
	mesh_path_flush_by_iface(sdata);
1775 1776 1777
	return 0;
}

1778 1779
static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *dst, const u8 *next_hop)
1780
{
1781
	struct ieee80211_sub_if_data *sdata;
1782 1783 1784
	struct mesh_path *mpath;
	struct sta_info *sta;

1785 1786
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1787 1788
	rcu_read_lock();

1789
	sta = sta_info_get(sdata, next_hop);
1790 1791
	if (!sta) {
		rcu_read_unlock();
1792
		return -ENOENT;
1793
	}
1794

J
Johannes Berg 已提交
1795
	mpath = mesh_path_lookup(sdata, dst);
1796 1797 1798 1799 1800 1801
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}

	mesh_path_fix_nexthop(mpath, sta);
1802

1803 1804 1805 1806 1807 1808 1809
	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
1810 1811 1812 1813
	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);
1814
	else
1815
		eth_zero_addr(next_hop);
1816

1817 1818
	memset(pinfo, 0, sizeof(*pinfo));

1819
	pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1820

1821
	pinfo->filled = MPATH_INFO_FRAME_QLEN |
1822
			MPATH_INFO_SN |
1823 1824 1825 1826
			MPATH_INFO_METRIC |
			MPATH_INFO_EXPTIME |
			MPATH_INFO_DISCOVERY_TIMEOUT |
			MPATH_INFO_DISCOVERY_RETRIES |
1827
			MPATH_INFO_FLAGS |
1828 1829
			MPATH_INFO_HOP_COUNT |
			MPATH_INFO_PATH_CHANGE;
1830 1831

	pinfo->frame_qlen = mpath->frame_queue.qlen;
1832
	pinfo->sn = mpath->sn;
1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
	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;
1843 1844
	if (mpath->flags & MESH_PATH_SN_VALID)
		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1845 1846
	if (mpath->flags & MESH_PATH_FIXED)
		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1847 1848
	if (mpath->flags & MESH_PATH_RESOLVED)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1849
	pinfo->hop_count = mpath->hop_count;
1850
	pinfo->path_change_count = mpath->path_change_count;
1851 1852 1853 1854 1855 1856
}

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

{
1857
	struct ieee80211_sub_if_data *sdata;
1858 1859
	struct mesh_path *mpath;

1860 1861
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1862
	rcu_read_lock();
J
Johannes Berg 已提交
1863
	mpath = mesh_path_lookup(sdata, dst);
1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874
	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,
1875 1876
				int idx, u8 *dst, u8 *next_hop,
				struct mpath_info *pinfo)
1877
{
1878
	struct ieee80211_sub_if_data *sdata;
1879 1880
	struct mesh_path *mpath;

1881 1882
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1883
	rcu_read_lock();
J
Johannes Berg 已提交
1884
	mpath = mesh_path_lookup_by_idx(sdata, idx);
1885 1886 1887 1888 1889 1890 1891 1892 1893
	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;
}
1894

1895 1896 1897 1898 1899 1900
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);

1901
	pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945
}

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;
}

1946
static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961
				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;
}

1962 1963 1964 1965 1966
static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
		const struct mesh_setup *setup)
{
	u8 *new_ie;
	const u8 *old_ie;
1967 1968
	struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
					struct ieee80211_sub_if_data, u.mesh);
1969
	int i;
1970

1971
	/* allocate information elements */
1972
	new_ie = NULL;
1973
	old_ie = ifmsh->ie;
1974

1975 1976
	if (setup->ie_len) {
		new_ie = kmemdup(setup->ie, setup->ie_len,
1977 1978 1979 1980
				GFP_KERNEL);
		if (!new_ie)
			return -ENOMEM;
	}
1981 1982 1983
	ifmsh->ie_len = setup->ie_len;
	ifmsh->ie = new_ie;
	kfree(old_ie);
1984 1985 1986 1987

	/* 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);
1988
	ifmsh->mesh_sp_id = setup->sync_method;
1989 1990
	ifmsh->mesh_pp_id = setup->path_sel_proto;
	ifmsh->mesh_pm_id = setup->path_metric;
1991
	ifmsh->user_mpm = setup->user_mpm;
1992
	ifmsh->mesh_auth_id = setup->auth_id;
1993
	ifmsh->security = IEEE80211_MESH_SEC_NONE;
1994
	ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1995 1996 1997 1998
	if (setup->is_authenticated)
		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
	if (setup->is_secure)
		ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1999

2000 2001 2002
	/* mcast rate setting in Mesh Node */
	memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
						sizeof(setup->mcast_rate));
2003
	sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2004

2005 2006 2007
	sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
	sdata->vif.bss_conf.dtim_period = setup->dtim_period;

2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
	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;
		}
	}

2019 2020 2021
	return 0;
}

2022
static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2023 2024
					struct net_device *dev, u32 mask,
					const struct mesh_config *nconf)
2025 2026 2027
{
	struct mesh_config *conf;
	struct ieee80211_sub_if_data *sdata;
2028 2029
	struct ieee80211_if_mesh *ifmsh;

2030
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2031
	ifmsh = &sdata->u.mesh;
2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046

	/* 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;
2047
	if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2048
		conf->element_ttl = nconf->element_ttl;
2049 2050 2051
	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
		if (ifmsh->user_mpm)
			return -EBUSY;
2052
		conf->auto_open_plinks = nconf->auto_open_plinks;
2053
	}
2054 2055 2056
	if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
		conf->dot11MeshNbrOffsetMaxNeighbor =
			nconf->dot11MeshNbrOffsetMaxNeighbor;
2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069
	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;
2070 2071 2072
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
		conf->dot11MeshHWMPperrMinInterval =
			nconf->dot11MeshHWMPperrMinInterval;
2073 2074 2075 2076
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
			   mask))
		conf->dot11MeshHWMPnetDiameterTraversalTime =
			nconf->dot11MeshHWMPnetDiameterTraversalTime;
2077 2078 2079 2080
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
		ieee80211_mesh_root_setup(ifmsh);
	}
2081
	if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
T
Thomas Pedersen 已提交
2082 2083 2084 2085
		/* our current gate announcement implementation rides on root
		 * announcements, so require this ifmsh to also be a root node
		 * */
		if (nconf->dot11MeshGateAnnouncementProtocol &&
2086 2087
		    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
			conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
T
Thomas Pedersen 已提交
2088 2089
			ieee80211_mesh_root_setup(ifmsh);
		}
2090 2091 2092
		conf->dot11MeshGateAnnouncementProtocol =
			nconf->dot11MeshGateAnnouncementProtocol;
	}
2093
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2094 2095
		conf->dot11MeshHWMPRannInterval =
			nconf->dot11MeshHWMPRannInterval;
2096 2097
	if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
		conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2098 2099 2100 2101
	if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
		/* our RSSI threshold implementation is supported only for
		 * devices that report signal in dBm.
		 */
2102
		if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2103 2104 2105
			return -ENOTSUPP;
		conf->rssi_threshold = nconf->rssi_threshold;
	}
2106 2107 2108 2109 2110
	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);
	}
2111 2112 2113 2114 2115 2116
	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;
2117 2118 2119
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
		conf->dot11MeshHWMPconfirmationInterval =
			nconf->dot11MeshHWMPconfirmationInterval;
M
Marco Porsch 已提交
2120 2121 2122 2123
	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
2124
	if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
M
Marco Porsch 已提交
2125 2126
		conf->dot11MeshAwakeWindowDuration =
			nconf->dot11MeshAwakeWindowDuration;
2127 2128
	if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
		conf->plink_timeout = nconf->plink_timeout;
2129 2130 2131
	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
		conf->dot11MeshConnectedToMeshGate =
			nconf->dot11MeshConnectedToMeshGate;
2132 2133
	if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
		conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2134 2135 2136
	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
		conf->dot11MeshConnectedToAuthServer =
			nconf->dot11MeshConnectedToAuthServer;
T
Thomas Pedersen 已提交
2137
	ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2138 2139 2140
	return 0;
}

2141 2142 2143 2144 2145 2146
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;
2147
	int err;
2148

2149 2150 2151 2152
	memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
	err = copy_mesh_setup(ifmsh, setup);
	if (err)
		return err;
2153

2154 2155
	sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;

2156 2157 2158 2159
	/* can mesh use other SMPS modes? */
	sdata->smps_mode = IEEE80211_SMPS_OFF;
	sdata->needed_rx_chains = sdata->local->rx_chains;

2160
	mutex_lock(&sdata->local->mtx);
2161
	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
J
Johannes Berg 已提交
2162
					IEEE80211_CHANCTX_SHARED);
2163
	mutex_unlock(&sdata->local->mtx);
2164 2165 2166
	if (err)
		return err;

T
Thomas Pedersen 已提交
2167
	return ieee80211_start_mesh(sdata);
2168 2169 2170 2171 2172 2173 2174
}

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);
2175
	mutex_lock(&sdata->local->mtx);
J
Johannes Berg 已提交
2176
	ieee80211_vif_release_channel(sdata);
2177
	kfree(sdata->u.mesh.ie);
2178
	mutex_unlock(&sdata->local->mtx);
2179 2180 2181

	return 0;
}
2182 2183
#endif

2184 2185 2186 2187
static int ieee80211_change_bss(struct wiphy *wiphy,
				struct net_device *dev,
				struct bss_parameters *params)
{
J
Johannes Berg 已提交
2188
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2189
	struct ieee80211_supported_band *sband;
2190 2191
	u32 changed = 0;

2192
	if (!sdata_dereference(sdata->u.ap.beacon, sdata))
J
Johannes Berg 已提交
2193 2194
		return -ENOENT;

2195 2196 2197
	sband = ieee80211_get_sband(sdata);
	if (!sband)
		return -EINVAL;
2198 2199

	if (params->use_cts_prot >= 0) {
J
Johannes Berg 已提交
2200
		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2201 2202 2203
		changed |= BSS_CHANGED_ERP_CTS_PROT;
	}
	if (params->use_short_preamble >= 0) {
J
Johannes Berg 已提交
2204
		sdata->vif.bss_conf.use_short_preamble =
2205 2206 2207
			params->use_short_preamble;
		changed |= BSS_CHANGED_ERP_PREAMBLE;
	}
2208 2209

	if (!sdata->vif.bss_conf.use_short_slot &&
2210 2211
	    (sband->band == NL80211_BAND_5GHZ ||
	     sband->band == NL80211_BAND_6GHZ)) {
2212 2213 2214 2215
		sdata->vif.bss_conf.use_short_slot = true;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2216
	if (params->use_short_slot_time >= 0) {
J
Johannes Berg 已提交
2217
		sdata->vif.bss_conf.use_short_slot =
2218 2219 2220 2221
			params->use_short_slot_time;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2222
	if (params->basic_rates) {
2223
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2224
					 wiphy->bands[sband->band],
2225 2226 2227
					 params->basic_rates,
					 params->basic_rates_len,
					 &sdata->vif.bss_conf.basic_rates);
2228
		changed |= BSS_CHANGED_BASIC_RATES;
2229
		ieee80211_check_rate_mask(sdata);
2230 2231
	}

2232 2233 2234 2235 2236
	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
2237
		ieee80211_check_fast_rx_iface(sdata);
2238 2239
	}

2240 2241 2242 2243 2244 2245
	if (params->ht_opmode >= 0) {
		sdata->vif.bss_conf.ht_operation_mode =
			(u16) params->ht_opmode;
		changed |= BSS_CHANGED_HT;
	}

2246
	if (params->p2p_ctwindow >= 0) {
J
Janusz Dziedzic 已提交
2247 2248 2249 2250
		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;
2251 2252 2253
		changed |= BSS_CHANGED_P2P_PS;
	}

J
Janusz Dziedzic 已提交
2254 2255 2256 2257 2258 2259 2260
	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;
2261 2262 2263
		changed |= BSS_CHANGED_P2P_PS;
	}

2264 2265 2266 2267 2268
	ieee80211_bss_info_change_notify(sdata, changed);

	return 0;
}

2269
static int ieee80211_set_txq_params(struct wiphy *wiphy,
2270
				    struct net_device *dev,
2271 2272 2273
				    struct ieee80211_txq_params *params)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2274
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2275 2276 2277 2278 2279
	struct ieee80211_tx_queue_params p;

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

2280 2281 2282
	if (local->hw.queues < IEEE80211_NUM_ACS)
		return -EOPNOTSUPP;

2283 2284 2285 2286 2287
	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
2288 2289 2290 2291 2292 2293 2294

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

2295 2296
	ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);

2297 2298
	sdata->tx_conf[params->ac] = p;
	if (drv_conf_tx(local, sdata, params->ac, &p)) {
J
Joe Perches 已提交
2299
		wiphy_debug(local->hw.wiphy,
2300 2301
			    "failed to set TX queue parameters for AC %d\n",
			    params->ac);
2302 2303 2304
		return -EINVAL;
	}

2305 2306
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);

2307 2308 2309
	return 0;
}

2310
#ifdef CONFIG_PM
J
Johannes Berg 已提交
2311 2312
static int ieee80211_suspend(struct wiphy *wiphy,
			     struct cfg80211_wowlan *wowlan)
2313
{
2314
	return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325
}

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

2326 2327 2328
static int ieee80211_scan(struct wiphy *wiphy,
			  struct cfg80211_scan_request *req)
{
J
Johannes Berg 已提交
2329 2330 2331
	struct ieee80211_sub_if_data *sdata;

	sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2332

2333 2334 2335 2336 2337
	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:
2338
	case NL80211_IFTYPE_P2P_DEVICE:
2339 2340 2341 2342
		break;
	case NL80211_IFTYPE_P2P_GO:
		if (sdata->local->ops->hw_scan)
			break;
2343 2344 2345 2346 2347
		/*
		 * FIXME: implement NoA while scanning in software,
		 * for now fall through to allow scanning only when
		 * beaconing hasn't been configured yet
		 */
2348
		fallthrough;
2349
	case NL80211_IFTYPE_AP:
2350 2351 2352 2353 2354 2355 2356 2357 2358 2359
		/*
		 * 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)))
2360 2361
			return -EOPNOTSUPP;
		break;
2362
	case NL80211_IFTYPE_NAN:
2363 2364 2365
	default:
		return -EOPNOTSUPP;
	}
2366 2367 2368 2369

	return ieee80211_request_scan(sdata, req);
}

2370 2371 2372 2373 2374
static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	ieee80211_scan_cancel(wiphy_priv(wiphy));
}

2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388
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
2389 2390
ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
			  u64 reqid)
2391
{
2392
	struct ieee80211_local *local = wiphy_priv(wiphy);
2393

2394
	if (!local->ops->sched_scan_stop)
2395 2396
		return -EOPNOTSUPP;

2397
	return ieee80211_request_sched_scan_stop(local);
2398 2399
}

2400 2401 2402
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
			  struct cfg80211_auth_request *req)
{
2403
	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2404 2405 2406 2407 2408
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_assoc_request *req)
{
2409
	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2410 2411 2412
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2413
			    struct cfg80211_deauth_request *req)
2414
{
2415
	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2416 2417 2418
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2419
			      struct cfg80211_disassoc_request *req)
2420
{
2421
	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2422 2423
}

2424 2425 2426
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			       struct cfg80211_ibss_params *params)
{
J
Johannes Berg 已提交
2427
	return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2428 2429 2430 2431
}

static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
J
Johannes Berg 已提交
2432
	return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2433 2434
}

2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445
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));
}

2446
static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2447
				    int rate[NUM_NL80211_BANDS])
2448 2449 2450
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

2451
	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2452
	       sizeof(int) * NUM_NL80211_BANDS);
2453

2454 2455
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);

2456 2457 2458
	return 0;
}

2459 2460 2461
static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2462
	int err;
2463

2464
	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
J
Johannes Berg 已提交
2465 2466
		ieee80211_check_fast_xmit_all(local);

2467 2468
		err = drv_set_frag_threshold(local, wiphy->frag_threshold);

J
Johannes Berg 已提交
2469 2470
		if (err) {
			ieee80211_check_fast_xmit_all(local);
2471
			return err;
J
Johannes Berg 已提交
2472
		}
2473 2474
	}

2475 2476 2477 2478 2479 2480 2481
	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);
2482 2483 2484 2485 2486

		if (err)
			return err;
	}

2487
	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2488
		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2489

2490 2491
		if (err)
			return err;
2492 2493
	}

2494 2495 2496
	if (changed & WIPHY_PARAM_RETRY_SHORT) {
		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2497
		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2498 2499 2500 2501
	}
	if (changed & WIPHY_PARAM_RETRY_LONG) {
		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2502
		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2503
	}
2504 2505 2506 2507
	if (changed &
	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);

2508 2509 2510 2511 2512
	if (changed & (WIPHY_PARAM_TXQ_LIMIT |
		       WIPHY_PARAM_TXQ_MEMORY_LIMIT |
		       WIPHY_PARAM_TXQ_QUANTUM))
		ieee80211_txq_set_params(local);

2513 2514 2515
	return 0;
}

2516
static int ieee80211_set_tx_power(struct wiphy *wiphy,
2517
				  struct wireless_dev *wdev,
2518
				  enum nl80211_tx_power_setting type, int mbm)
2519 2520
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2521
	struct ieee80211_sub_if_data *sdata;
2522 2523
	enum nl80211_tx_power_setting txp_type = type;
	bool update_txp_type = false;
2524
	bool has_monitor = false;
2525

2526 2527 2528
	if (wdev) {
		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

2529 2530 2531 2532 2533 2534
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			sdata = rtnl_dereference(local->monitor_sdata);
			if (!sdata)
				return -EOPNOTSUPP;
		}

2535 2536 2537
		switch (type) {
		case NL80211_TX_POWER_AUTOMATIC:
			sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2538
			txp_type = NL80211_TX_POWER_LIMITED;
2539 2540 2541 2542 2543 2544 2545 2546 2547
			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;
		}

2548 2549 2550 2551 2552 2553
		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);
2554 2555 2556

		return 0;
	}
J
Johannes Berg 已提交
2557

2558
	switch (type) {
2559
	case NL80211_TX_POWER_AUTOMATIC:
2560
		local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2561
		txp_type = NL80211_TX_POWER_LIMITED;
2562
		break;
2563 2564 2565 2566 2567
	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);
2568 2569 2570
		break;
	}

2571
	mutex_lock(&local->iflist_mtx);
2572
	list_for_each_entry(sdata, &local->interfaces, list) {
2573 2574 2575 2576
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			has_monitor = true;
			continue;
		}
2577
		sdata->user_power_level = local->user_power_level;
2578 2579 2580 2581
		if (txp_type != sdata->vif.bss_conf.txpower_type)
			update_txp_type = true;
		sdata->vif.bss_conf.txpower_type = txp_type;
	}
2582 2583 2584
	list_for_each_entry(sdata, &local->interfaces, list) {
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
			continue;
2585
		ieee80211_recalc_txpower(sdata, update_txp_type);
2586
	}
2587
	mutex_unlock(&local->iflist_mtx);
2588

2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600
	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);
		}
	}

2601 2602 2603
	return 0;
}

2604 2605 2606
static int ieee80211_get_tx_power(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  int *dbm)
2607 2608
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2609
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2610

2611 2612 2613
	if (local->ops->get_txpower)
		return drv_get_txpower(local, sdata, dbm);

2614 2615 2616 2617
	if (!local->use_chanctx)
		*dbm = local->hw.conf.power_level;
	else
		*dbm = sdata->vif.bss_conf.txpower;
2618 2619 2620 2621

	return 0;
}

J
Johannes Berg 已提交
2622
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
J
Johannes Berg 已提交
2623
				  const u8 *addr)
J
Johannes Berg 已提交
2624 2625 2626 2627 2628 2629 2630 2631
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);

	return 0;
}

J
Johannes Berg 已提交
2632 2633 2634 2635 2636 2637 2638
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	drv_rfkill_poll(local);
}

2639
#ifdef CONFIG_NL80211_TESTMODE
2640 2641 2642
static int ieee80211_testmode_cmd(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  void *data, int len)
2643 2644
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2645
	struct ieee80211_vif *vif = NULL;
2646 2647 2648 2649

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

2650 2651 2652 2653 2654 2655 2656 2657 2658
	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);
2659
}
W
Wey-Yi Guy 已提交
2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672

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);
}
2673 2674
#endif

2675 2676
int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
				 enum ieee80211_smps_mode smps_mode)
2677 2678 2679 2680
{
	const u8 *ap;
	enum ieee80211_smps_mode old_req;
	int err;
2681 2682
	struct sta_info *sta;
	bool tdls_peer_found = false;
2683

2684
	lockdep_assert_held(&sdata->wdev.mtx);
2685

2686 2687 2688
	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
		return -EINVAL;

2689 2690 2691 2692 2693 2694 2695 2696 2697
	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
2698 2699
	 * association, there's no need to do anything, just store
	 * the new value until we associate.
2700 2701
	 */
	if (!sdata->u.mgd.associated ||
2702
	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2703 2704
		return 0;

2705
	ap = sdata->u.mgd.associated->bssid;
2706

2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717
	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();

2718
	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2719
		if (tdls_peer_found || !sdata->u.mgd.powersave)
2720
			smps_mode = IEEE80211_SMPS_OFF;
2721 2722
		else
			smps_mode = IEEE80211_SMPS_DYNAMIC;
2723 2724 2725 2726 2727 2728 2729
	}

	/* 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;
2730 2731
	else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
		ieee80211_teardown_tdls_peers(sdata);
2732 2733 2734 2735

	return err;
}

J
Johannes Berg 已提交
2736 2737 2738 2739 2740 2741
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);

2742
	if (sdata->vif.type != NL80211_IFTYPE_STATION)
2743 2744
		return -EOPNOTSUPP;

2745
	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
J
Johannes Berg 已提交
2746 2747 2748
		return -EOPNOTSUPP;

	if (enabled == sdata->u.mgd.powersave &&
2749
	    timeout == local->dynamic_ps_forced_timeout)
J
Johannes Berg 已提交
2750 2751 2752
		return 0;

	sdata->u.mgd.powersave = enabled;
2753
	local->dynamic_ps_forced_timeout = timeout;
J
Johannes Berg 已提交
2754

2755
	/* no change, but if automatic follow powersave */
2756
	sdata_lock(sdata);
2757
	__ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2758
	sdata_unlock(sdata);
2759

2760
	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
J
Johannes Berg 已提交
2761 2762
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);

J
Johannes Berg 已提交
2763
	ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
2764
	ieee80211_recalc_ps_vif(sdata);
2765
	ieee80211_check_fast_rx_iface(sdata);
J
Johannes Berg 已提交
2766 2767 2768 2769

	return 0;
}

2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781
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;

2782 2783 2784 2785
	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
	    !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
		return -EOPNOTSUPP;

2786 2787
	bss_conf->cqm_rssi_thold = rssi_thold;
	bss_conf->cqm_rssi_hyst = rssi_hyst;
2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814
	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;
2815
	sdata->u.mgd.last_cqm_event_signal = 0;
2816 2817

	/* tell the driver upon association, unless already associated */
2818 2819
	if (sdata->u.mgd.associated &&
	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2820 2821 2822 2823 2824
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);

	return 0;
}

J
Johannes Berg 已提交
2825 2826 2827 2828 2829 2830 2831
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);
2832
	int i, ret;
2833

2834 2835 2836
	if (!ieee80211_sdata_running(sdata))
		return -ENETDOWN;

2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851
	/*
	 * 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;
	}

2852 2853 2854 2855 2856 2857
	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
		ret = drv_set_bitrate_mask(local, sdata, mask);
		if (ret)
			return ret;
	}

2858
	for (i = 0; i < NUM_NL80211_BANDS; i++) {
2859 2860 2861
		struct ieee80211_supported_band *sband = wiphy->bands[i];
		int j;

2862
		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2863 2864
		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
		       sizeof(mask->control[i].ht_mcs));
2865 2866 2867
		memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
		       mask->control[i].vht_mcs,
		       sizeof(mask->control[i].vht_mcs));
2868 2869

		sdata->rc_has_mcs_mask[i] = false;
2870
		sdata->rc_has_vht_mcs_mask[i] = false;
2871 2872 2873
		if (!sband)
			continue;

2874
		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2875
			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2876
				sdata->rc_has_mcs_mask[i] = true;
2877 2878 2879
				break;
			}
		}
2880

2881 2882
		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2883
				sdata->rc_has_vht_mcs_mask[i] = true;
2884
				break;
2885
			}
2886
		}
2887
	}
J
Johannes Berg 已提交
2888

2889
	return 0;
J
Johannes Berg 已提交
2890 2891
}

2892 2893
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
					   struct net_device *dev,
2894 2895
					   struct cfg80211_chan_def *chandef,
					   u32 cac_time_ms)
2896 2897 2898 2899 2900
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	int err;

2901 2902 2903 2904 2905
	mutex_lock(&local->mtx);
	if (!list_empty(&local->roc_list) || local->scanning) {
		err = -EBUSY;
		goto out_unlock;
	}
2906 2907 2908 2909 2910 2911 2912 2913

	/* 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)
2914
		goto out_unlock;
2915 2916

	ieee80211_queue_delayed_work(&sdata->local->hw,
2917 2918
				     &sdata->dfs_cac_timer_work,
				     msecs_to_jiffies(cac_time_ms));
2919

2920 2921 2922
 out_unlock:
	mutex_unlock(&local->mtx);
	return err;
2923 2924
}

2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946
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);
}

2947 2948 2949 2950 2951 2952 2953 2954 2955
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 +
2956
	      beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994

	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;
2995
		new_beacon->probe_resp = pos;
2996 2997 2998
		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
		pos += beacon->probe_resp_len;
	}
2999 3000 3001

	/* might copy -1, meaning no changes requested */
	new_beacon->ftm_responder = beacon->ftm_responder;
3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013
	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;
	}
3014 3015 3016 3017

	return new_beacon;
}

3018
void ieee80211_csa_finish(struct ieee80211_vif *vif)
3019
{
3020
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3021

3022 3023 3024 3025
	ieee80211_queue_work(&sdata->local->hw,
			     &sdata->csa_finalize_work);
}
EXPORT_SYMBOL(ieee80211_csa_finish);
3026

3027 3028
static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
					  u32 *changed)
3029
{
3030
	int err;
3031

3032 3033
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3034 3035
		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
					      NULL);
3036 3037 3038
		kfree(sdata->u.ap.next_beacon);
		sdata->u.ap.next_beacon = NULL;

3039
		if (err < 0)
3040 3041
			return err;
		*changed |= err;
3042 3043
		break;
	case NL80211_IFTYPE_ADHOC:
3044 3045
		err = ieee80211_ibss_finish_csa(sdata);
		if (err < 0)
3046 3047
			return err;
		*changed |= err;
3048
		break;
3049 3050 3051 3052
#ifdef CONFIG_MAC80211_MESH
	case NL80211_IFTYPE_MESH_POINT:
		err = ieee80211_mesh_finish_csa(sdata);
		if (err < 0)
3053 3054
			return err;
		*changed |= err;
3055 3056
		break;
#endif
3057 3058
	default:
		WARN_ON(1);
3059 3060 3061 3062 3063 3064
		return -EINVAL;
	}

	return 0;
}

3065
static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3066 3067 3068 3069 3070 3071 3072
{
	struct ieee80211_local *local = sdata->local;
	u32 changed = 0;
	int err;

	sdata_assert_lock(sdata);
	lockdep_assert_held(&local->mtx);
3073
	lockdep_assert_held(&local->chanctx_mtx);
3074

3075 3076 3077 3078 3079 3080
	/*
	 * 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
	 */
3081

3082 3083 3084 3085 3086 3087 3088 3089 3090
	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;

3091
		return ieee80211_vif_use_reserved_context(sdata);
3092
	}
3093

3094 3095 3096 3097
	if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
					&sdata->csa_chandef))
		return -EINVAL;

3098 3099 3100 3101
	sdata->vif.csa_active = false;

	err = ieee80211_set_after_csa_beacon(sdata, &changed);
	if (err)
3102
		return err;
3103

3104
	ieee80211_bss_info_change_notify(sdata, changed);
3105

3106 3107 3108 3109 3110
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}
3111

3112 3113 3114 3115 3116 3117
	err = drv_post_channel_switch(sdata);
	if (err)
		return err;

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

3118 3119 3120 3121 3122 3123 3124 3125 3126 3127
	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);
	}
3128 3129 3130 3131 3132 3133 3134
}

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);
3135
	struct ieee80211_local *local = sdata->local;
3136 3137

	sdata_lock(sdata);
3138
	mutex_lock(&local->mtx);
3139
	mutex_lock(&local->chanctx_mtx);
3140

3141 3142 3143 3144 3145 3146 3147 3148
	/* 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);
3149 3150

unlock:
3151
	mutex_unlock(&local->chanctx_mtx);
3152
	mutex_unlock(&local->mtx);
3153
	sdata_unlock(sdata);
3154 3155
}

3156 3157 3158
static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
				    struct cfg80211_csa_settings *params,
				    u32 *changed)
3159
{
3160
	struct ieee80211_csa_settings csa = {};
3161
	int err;
3162 3163 3164

	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3165 3166 3167 3168 3169
		sdata->u.ap.next_beacon =
			cfg80211_beacon_dup(&params->beacon_after);
		if (!sdata->u.ap.next_beacon)
			return -ENOMEM;

3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188
		/*
		 * 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;

3189
		if ((params->n_counter_offsets_beacon >
3190
		     IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3191
		    (params->n_counter_offsets_presp >
3192
		     IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3193
			return -EINVAL;
3194

3195 3196 3197 3198 3199
		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;
3200

3201
		err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3202 3203 3204 3205
		if (err < 0) {
			kfree(sdata->u.ap.next_beacon);
			return err;
		}
3206
		*changed |= err;
3207

3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234
		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;

3235 3236 3237 3238 3239
		/* see comments in the NL80211_IFTYPE_AP block */
		if (params->count > 1) {
			err = ieee80211_ibss_csa_beacon(sdata, params);
			if (err < 0)
				return err;
3240
			*changed |= err;
3241 3242 3243 3244
		}

		ieee80211_send_action_csa(sdata, params);

3245
		break;
3246
#ifdef CONFIG_MAC80211_MESH
3247 3248
	case NL80211_IFTYPE_MESH_POINT: {
		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3249 3250 3251 3252 3253 3254 3255 3256 3257

		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;

3258
		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3259
			ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3260 3261 3262 3263 3264
			if (!ifmsh->pre_value)
				ifmsh->pre_value = 1;
			else
				ifmsh->pre_value++;
		}
3265

3266 3267 3268 3269 3270 3271 3272
		/* 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;
			}
3273
			*changed |= err;
3274
		}
3275 3276 3277 3278

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

3279
		break;
3280
		}
3281
#endif
3282 3283 3284 3285
	default:
		return -EOPNOTSUPP;
	}

3286 3287 3288
	return 0;
}

3289 3290 3291
static int
__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_csa_settings *params)
3292 3293 3294
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
3295
	struct ieee80211_channel_switch ch_switch;
3296
	struct ieee80211_chanctx_conf *conf;
3297
	struct ieee80211_chanctx *chanctx;
3298 3299
	u32 changed = 0;
	int err;
3300 3301

	sdata_assert_lock(sdata);
3302
	lockdep_assert_held(&local->mtx);
3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313

	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;

3314 3315 3316 3317
	/* don't allow another channel switch if one is already active. */
	if (sdata->vif.csa_active)
		return -EBUSY;

3318 3319 3320 3321
	mutex_lock(&local->chanctx_mtx);
	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
					 lockdep_is_held(&local->chanctx_mtx));
	if (!conf) {
3322 3323
		err = -EBUSY;
		goto out;
3324 3325
	}

3326 3327 3328 3329 3330 3331
	if (params->chandef.chan->freq_offset) {
		/* this may work, but is untested */
		err = -EOPNOTSUPP;
		goto out;
	}

3332
	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3333

3334 3335 3336 3337 3338 3339
	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;

3340 3341 3342 3343
	err = drv_pre_channel_switch(sdata, &ch_switch);
	if (err)
		goto out;

3344 3345 3346 3347 3348
	err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
					    chanctx->mode,
					    params->radar_required);
	if (err)
		goto out;
3349

3350 3351 3352 3353 3354 3355
	/* 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;
	}
3356 3357

	err = ieee80211_set_csa_beacon(sdata, params, &changed);
3358 3359 3360 3361
	if (err) {
		ieee80211_vif_unreserve_chanctx(sdata);
		goto out;
	}
3362

3363
	sdata->csa_chandef = params->chandef;
3364
	sdata->csa_block_tx = params->block_tx;
3365 3366
	sdata->vif.csa_active = true;

3367
	if (sdata->csa_block_tx)
3368 3369
		ieee80211_stop_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
3370

3371 3372 3373
	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
					  params->count);

3374 3375 3376 3377 3378 3379 3380
	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);
	}
3381

3382 3383 3384
out:
	mutex_unlock(&local->chanctx_mtx);
	return err;
3385 3386
}

3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400
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;
}

3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413
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;
}

3414 3415
int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
			     u64 *cookie, gfp_t gfp)
3416 3417 3418 3419 3420 3421 3422
{
	unsigned long spin_flags;
	struct sk_buff *ack_skb;
	int id;

	ack_skb = skb_copy(skb, gfp);
	if (!ack_skb)
3423
		return -ENOMEM;
3424 3425 3426

	spin_lock_irqsave(&local->ack_status_lock, spin_flags);
	id = idr_alloc(&local->ack_status_frames, ack_skb,
3427
		       1, 0x2000, GFP_ATOMIC);
3428 3429 3430 3431
	spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);

	if (id < 0) {
		kfree_skb(ack_skb);
3432
		return -ENOMEM;
3433 3434 3435 3436 3437 3438 3439
	}

	IEEE80211_SKB_CB(skb)->ack_frame_id = id;

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

3440
	return 0;
3441 3442
}

3443 3444
static void
ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3445
					  struct wireless_dev *wdev,
3446
					  struct mgmt_frame_regs *upd)
3447 3448
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
3449
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3450
	u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3451
	u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3452
	bool global_change, intf_change;
3453

3454
	global_change =
3455 3456 3457
		(local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
		(local->rx_mcast_action_reg !=
		 !!(upd->global_mcast_stypes & action_mask));
3458
	local->probe_req_reg = upd->global_stypes & preq_mask;
3459
	local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3460

3461 3462 3463 3464
	intf_change = (sdata->vif.probe_req_reg !=
		       !!(upd->interface_stypes & preq_mask)) ||
		(sdata->vif.rx_mcast_action_reg !=
		 !!(upd->interface_mcast_stypes & action_mask));
3465
	sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3466 3467
	sdata->vif.rx_mcast_action_reg =
		upd->interface_mcast_stypes & action_mask;
3468

3469 3470
	if (!local->open_count)
		return;
3471

3472 3473 3474 3475 3476
	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);
3477

3478
	if (global_change)
3479
		ieee80211_configure_filter(local);
3480 3481
}

3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498
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);
}

3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513
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
3514 3515 3516 3517 3518 3519
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;
3520
	struct sk_buff *skb;
J
Johannes Berg 已提交
3521 3522 3523 3524 3525
	int size = sizeof(*nullfunc);
	__le16 fc;
	bool qos;
	struct ieee80211_tx_info *info;
	struct sta_info *sta;
J
Johannes Berg 已提交
3526
	struct ieee80211_chanctx_conf *chanctx_conf;
3527
	enum nl80211_band band;
3528 3529 3530 3531
	int ret;

	/* the lock is needed to assign the cookie later */
	mutex_lock(&local->mtx);
J
Johannes Berg 已提交
3532 3533

	rcu_read_lock();
J
Johannes Berg 已提交
3534 3535
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (WARN_ON(!chanctx_conf)) {
3536 3537
		ret = -EINVAL;
		goto unlock;
J
Johannes Berg 已提交
3538
	}
3539
	band = chanctx_conf->def.chan->band;
3540
	sta = sta_info_get_bss(sdata, peer);
3541
	if (sta) {
3542
		qos = sta->sta.wme;
3543
	} else {
3544 3545
		ret = -ENOLINK;
		goto unlock;
3546
	}
J
Johannes Berg 已提交
3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559

	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
3560
	if (!skb) {
3561 3562
		ret = -ENOMEM;
		goto unlock;
J
Johannes Berg 已提交
3563
	}
J
Johannes Berg 已提交
3564 3565 3566 3567 3568

	skb->dev = dev;

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

3569
	nullfunc = skb_put(skb, size);
J
Johannes Berg 已提交
3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580
	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;
3581
	info->band = band;
J
Johannes Berg 已提交
3582 3583 3584 3585 3586 3587

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

3588 3589
	ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
	if (ret) {
3590 3591 3592 3593
		kfree_skb(skb);
		goto unlock;
	}

J
Johannes Berg 已提交
3594
	local_bh_disable();
3595
	ieee80211_xmit(sdata, sta, skb);
J
Johannes Berg 已提交
3596
	local_bh_enable();
3597 3598 3599

	ret = 0;
unlock:
J
Johannes Berg 已提交
3600
	rcu_read_unlock();
3601
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
3602

3603
	return ret;
J
Johannes Berg 已提交
3604 3605
}

3606 3607 3608
static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     struct cfg80211_chan_def *chandef)
3609
{
J
Johannes Berg 已提交
3610
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3611
	struct ieee80211_local *local = wiphy_priv(wiphy);
J
Johannes Berg 已提交
3612
	struct ieee80211_chanctx_conf *chanctx_conf;
3613
	int ret = -ENODATA;
J
Johannes Berg 已提交
3614 3615

	rcu_read_lock();
3616 3617
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (chanctx_conf) {
3618
		*chandef = sdata->vif.bss_conf.chandef;
3619 3620 3621 3622 3623 3624 3625
		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
3626
			*chandef = local->_oper_chandef;
3627
		ret = 0;
J
Johannes Berg 已提交
3628 3629
	}
	rcu_read_unlock();
3630

3631
	return ret;
3632 3633
}

3634 3635 3636 3637 3638 3639 3640
#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
	drv_set_wakeup(wiphy_priv(wiphy), enabled);
}
#endif

3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657
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;
	}

3658
	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3659 3660 3661 3662 3663 3664 3665
	rcu_assign_pointer(sdata->qos_map, new_qos_map);
	if (old_qos_map)
		kfree_rcu(old_qos_map, rcu_head);

	return 0;
}

3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680
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;
}

3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732
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();
3733
		ieee80211_flush_queues(local, sdata, false);
3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750

		/* 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;
}

3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782
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);

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
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);

3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818
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;
}

3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 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 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 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911
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;
}

3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922
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);
}

3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942
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);
}

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
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,
3972
				      const u8 *peer, u8 tids)
3973 3974 3975 3976 3977 3978 3979 3980 3981
{
	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)
3982
		return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3983 3984 3985 3986 3987 3988 3989 3990

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

3991
	ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3992 3993 3994 3995 3996
	mutex_unlock(&sdata->local->sta_mtx);

	return ret;
}

3997
const struct cfg80211_ops mac80211_config_ops = {
3998 3999
	.add_virtual_intf = ieee80211_add_iface,
	.del_virtual_intf = ieee80211_del_iface,
4000
	.change_virtual_intf = ieee80211_change_iface,
4001 4002
	.start_p2p_device = ieee80211_start_p2p_device,
	.stop_p2p_device = ieee80211_stop_p2p_device,
4003 4004
	.add_key = ieee80211_add_key,
	.del_key = ieee80211_del_key,
4005
	.get_key = ieee80211_get_key,
4006
	.set_default_key = ieee80211_config_default_key,
4007
	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4008
	.set_default_beacon_key = ieee80211_config_default_beacon_key,
4009 4010 4011
	.start_ap = ieee80211_start_ap,
	.change_beacon = ieee80211_change_beacon,
	.stop_ap = ieee80211_stop_ap,
4012 4013 4014
	.add_station = ieee80211_add_station,
	.del_station = ieee80211_del_station,
	.change_station = ieee80211_change_station,
4015
	.get_station = ieee80211_get_station,
4016
	.dump_station = ieee80211_dump_station,
4017
	.dump_survey = ieee80211_dump_survey,
4018 4019 4020 4021 4022 4023
#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,
4024 4025
	.get_mpp = ieee80211_get_mpp,
	.dump_mpp = ieee80211_dump_mpp,
4026 4027
	.update_mesh_config = ieee80211_update_mesh_config,
	.get_mesh_config = ieee80211_get_mesh_config,
4028 4029
	.join_mesh = ieee80211_join_mesh,
	.leave_mesh = ieee80211_leave_mesh,
4030
#endif
4031 4032
	.join_ocb = ieee80211_join_ocb,
	.leave_ocb = ieee80211_leave_ocb,
4033
	.change_bss = ieee80211_change_bss,
4034
	.set_txq_params = ieee80211_set_txq_params,
4035
	.set_monitor_channel = ieee80211_set_monitor_channel,
4036 4037
	.suspend = ieee80211_suspend,
	.resume = ieee80211_resume,
4038
	.scan = ieee80211_scan,
4039
	.abort_scan = ieee80211_abort_scan,
4040 4041
	.sched_scan_start = ieee80211_sched_scan_start,
	.sched_scan_stop = ieee80211_sched_scan_stop,
4042 4043 4044 4045
	.auth = ieee80211_auth,
	.assoc = ieee80211_assoc,
	.deauth = ieee80211_deauth,
	.disassoc = ieee80211_disassoc,
4046 4047
	.join_ibss = ieee80211_join_ibss,
	.leave_ibss = ieee80211_leave_ibss,
4048
	.set_mcast_rate = ieee80211_set_mcast_rate,
4049
	.set_wiphy_params = ieee80211_set_wiphy_params,
4050 4051
	.set_tx_power = ieee80211_set_tx_power,
	.get_tx_power = ieee80211_get_tx_power,
J
Johannes Berg 已提交
4052
	.set_wds_peer = ieee80211_set_wds_peer,
J
Johannes Berg 已提交
4053
	.rfkill_poll = ieee80211_rfkill_poll,
4054
	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
W
Wey-Yi Guy 已提交
4055
	CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
J
Johannes Berg 已提交
4056
	.set_power_mgmt = ieee80211_set_power_mgmt,
J
Johannes Berg 已提交
4057
	.set_bitrate_mask = ieee80211_set_bitrate_mask,
4058 4059
	.remain_on_channel = ieee80211_remain_on_channel,
	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4060
	.mgmt_tx = ieee80211_mgmt_tx,
4061
	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4062
	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4063
	.set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4064 4065
	.update_mgmt_frame_registrations =
		ieee80211_update_mgmt_frame_registrations,
4066 4067
	.set_antenna = ieee80211_set_antenna,
	.get_antenna = ieee80211_get_antenna,
4068
	.set_rekey_data = ieee80211_set_rekey_data,
4069 4070
	.tdls_oper = ieee80211_tdls_oper,
	.tdls_mgmt = ieee80211_tdls_mgmt,
4071 4072
	.tdls_channel_switch = ieee80211_tdls_channel_switch,
	.tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
J
Johannes Berg 已提交
4073
	.probe_client = ieee80211_probe_client,
4074
	.set_noack_map = ieee80211_set_noack_map,
4075 4076 4077
#ifdef CONFIG_PM
	.set_wakeup = ieee80211_set_wakeup,
#endif
4078
	.get_channel = ieee80211_cfg_get_channel,
4079
	.start_radar_detection = ieee80211_start_radar_detection,
4080
	.end_cac = ieee80211_end_cac,
4081
	.channel_switch = ieee80211_channel_switch,
4082
	.set_qos_map = ieee80211_set_qos_map,
4083
	.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4084 4085
	.add_tx_ts = ieee80211_add_tx_ts,
	.del_tx_ts = ieee80211_del_tx_ts,
4086 4087
	.start_nan = ieee80211_start_nan,
	.stop_nan = ieee80211_stop_nan,
4088
	.nan_change_conf = ieee80211_nan_change_conf,
4089 4090
	.add_nan_func = ieee80211_add_nan_func,
	.del_nan_func = ieee80211_del_nan_func,
4091
	.set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4092
	.tx_control_port = ieee80211_tx_control_port,
4093
	.get_txq_stats = ieee80211_get_txq_stats,
4094
	.get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4095 4096
	.start_pmsr = ieee80211_start_pmsr,
	.abort_pmsr = ieee80211_abort_pmsr,
4097
	.probe_mesh_link = ieee80211_probe_mesh_link,
4098 4099
	.set_tid_config = ieee80211_set_tid_config,
	.reset_tid_config = ieee80211_reset_tid_config,
4100
};