cfg.c 108.8 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,
385
			     u8 key_idx, bool pairwise, const u8 *mac_addr,
386 387
			     struct key_params *params)
{
388
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
389
	struct ieee80211_local *local = sdata->local;
390
	struct sta_info *sta = NULL;
391
	const struct ieee80211_cipher_scheme *cs = NULL;
392
	struct ieee80211_key *key;
393
	int err;
394

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

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

401
	/* reject WEP and TKIP keys if WEP failed to initialize */
402 403 404
	switch (params->cipher) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_TKIP:
405
	case WLAN_CIPHER_SUITE_WEP104:
406
		if (WARN_ON_ONCE(fips_enabled))
407
			return -EINVAL;
408
	case WLAN_CIPHER_SUITE_CCMP:
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	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
		/* fall through */
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
		/* fall through */
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

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

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;

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

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 |
995 996
		      BSS_CHANGED_HE_OBSS_PD |
		      BSS_CHANGED_HE_BSS_COLOR;
997
	int i, err;
998
	int prev_beacon_int;
999

1000
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1001 1002 1003
	if (old)
		return -EALREADY;

1004 1005 1006 1007
	if (params->smps_mode != NL80211_SMPS_OFF)
		return -ENOTSUPP;

	sdata->smps_mode = IEEE80211_SMPS_OFF;
1008

1009 1010
	sdata->needed_rx_chains = sdata->local->rx_chains;

1011
	prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1012 1013
	sdata->vif.bss_conf.beacon_int = params->beacon_interval;

1014
	if (params->he_cap && params->he_oper) {
1015
		sdata->vif.bss_conf.he_support = true;
1016 1017 1018 1019 1020 1021 1022
		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);
	}
1023

1024
	mutex_lock(&local->mtx);
1025
	err = ieee80211_vif_use_channel(sdata, &params->chandef,
J
Johannes Berg 已提交
1026
					IEEE80211_CHANCTX_SHARED);
1027 1028
	if (!err)
		ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1029
	mutex_unlock(&local->mtx);
1030 1031
	if (err) {
		sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1032
		return err;
1033
	}
1034

1035 1036 1037 1038 1039 1040
	/*
	 * 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;
1041 1042
	sdata->control_port_over_nl80211 =
				params->crypto.control_port_over_nl80211;
1043 1044
	sdata->control_port_no_preauth =
				params->crypto.control_port_no_preauth;
1045 1046 1047 1048
	sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
							&params->crypto,
							sdata->vif.type);

1049 1050 1051 1052 1053
	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;
1054 1055
		vlan->control_port_over_nl80211 =
			params->crypto.control_port_over_nl80211;
1056 1057
		vlan->control_port_no_preauth =
			params->crypto.control_port_no_preauth;
1058 1059 1060 1061
		vlan->encrypt_headroom =
			ieee80211_cs_headroom(sdata->local,
					      &params->crypto,
					      vlan->vif.type);
1062 1063
	}

1064
	sdata->vif.bss_conf.dtim_period = params->dtim_period;
1065
	sdata->vif.bss_conf.enable_beacon = true;
1066
	sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1067
	sdata->vif.bss_conf.twt_responder = params->twt_responder;
1068 1069
	memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
	       sizeof(struct ieee80211_he_obss_pd));
1070 1071
	memcpy(&sdata->vif.bss_conf.he_bss_color, &params->he_bss_color,
	       sizeof(struct ieee80211_he_bss_color));
1072 1073 1074 1075 1076 1077 1078 1079

	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
1080 1081 1082 1083 1084 1085 1086
	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;
1087

1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
	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;
		}
	}

1099
	err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1100 1101
	if (err < 0) {
		ieee80211_vif_release_channel(sdata);
1102
		return err;
1103
	}
1104 1105
	changed |= err;

1106 1107
	err = drv_start_ap(sdata->local, sdata);
	if (err) {
1108 1109
		old = sdata_dereference(sdata->u.ap.beacon, sdata);

1110 1111 1112
		if (old)
			kfree_rcu(old, rcu_head);
		RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1113
		ieee80211_vif_release_channel(sdata);
1114 1115 1116
		return err;
	}

1117
	ieee80211_recalc_dtim(local, sdata);
1118 1119
	ieee80211_bss_info_change_notify(sdata, changed);

1120 1121 1122 1123
	netif_carrier_on(dev);
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_on(vlan->dev);

1124
	return 0;
1125 1126
}

1127 1128
static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
				   struct cfg80211_beacon_data *params)
1129
{
1130
	struct ieee80211_sub_if_data *sdata;
1131
	struct beacon_data *old;
1132
	int err;
1133

1134
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1135
	sdata_assert_lock(sdata);
1136

1137 1138 1139 1140 1141 1142
	/* 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;

1143
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1144 1145 1146
	if (!old)
		return -ENOENT;

1147
	err = ieee80211_assign_beacon(sdata, params, NULL);
1148 1149 1150 1151
	if (err < 0)
		return err;
	ieee80211_bss_info_change_notify(sdata, err);
	return 0;
1152 1153
}

1154
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1155
{
1156 1157 1158 1159 1160
	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;
1161
	struct cfg80211_chan_def chandef;
1162

1163 1164
	sdata_assert_lock(sdata);

1165
	old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1166
	if (!old_beacon)
1167
		return -ENOENT;
1168
	old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1169

1170
	/* abort any running channel switch */
1171
	mutex_lock(&local->mtx);
1172
	sdata->vif.csa_active = false;
1173 1174 1175 1176 1177 1178
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}

1179 1180
	mutex_unlock(&local->mtx);

1181 1182 1183
	kfree(sdata->u.ap.next_beacon);
	sdata->u.ap.next_beacon = NULL;

1184
	/* turn off carrier for this interface and dependent VLANs */
1185 1186 1187 1188
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_off(vlan->dev);
	netif_carrier_off(dev);

1189
	/* remove beacon and probe response */
1190
	RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1191 1192 1193 1194
	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);
1195

1196 1197 1198
	kfree(sdata->vif.bss_conf.ftmr_params);
	sdata->vif.bss_conf.ftmr_params = NULL;

1199
	__sta_info_flush(sdata, true);
1200
	ieee80211_free_keys(sdata, true);
1201

1202
	sdata->vif.bss_conf.enable_beacon = false;
1203
	sdata->beacon_rate_set = false;
1204
	sdata->vif.bss_conf.ssid_len = 0;
1205
	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1206
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1207

1208
	if (sdata->wdev.cac_started) {
1209
		chandef = sdata->vif.bss_conf.chandef;
1210
		cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1211 1212
		cfg80211_cac_event(sdata->dev, &chandef,
				   NL80211_RADAR_CAC_ABORTED,
1213 1214 1215
				   GFP_KERNEL);
	}

1216 1217
	drv_stop_ap(sdata->local, sdata);

1218 1219
	/* free all potentially still buffered bcast frames */
	local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1220
	ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1221

1222
	mutex_lock(&local->mtx);
1223
	ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
J
Johannes Berg 已提交
1224
	ieee80211_vif_release_channel(sdata);
1225
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
1226

1227
	return 0;
1228 1229
}

1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246
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)) {
1247 1248 1249 1250 1251
		/*
		 * When peer becomes associated, init rate control as
		 * well. Some drivers require rate control initialized
		 * before drv_sta_state() is called.
		 */
1252
		if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1253 1254
			rate_control_rate_init(sta);

1255 1256 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
		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;
}

1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303
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;
1304
			sta->mesh->aid = params->peer_aid;
1305 1306 1307 1308

			ieee80211_mps_sta_status_update(sta);
			changed |= ieee80211_mps_set_sta_local_pm(sta,
				      sdata->u.mesh.mshcfg.power_mode);
1309 1310 1311 1312 1313

			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);

1314 1315 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
			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
}

1355 1356 1357
static int sta_apply_parameters(struct ieee80211_local *local,
				struct sta_info *sta,
				struct station_parameters *params)
1358
{
1359
	int ret = 0;
1360
	struct ieee80211_supported_band *sband;
1361
	struct ieee80211_sub_if_data *sdata = sta->sdata;
1362
	u32 mask, set;
1363

1364 1365 1366
	sband = ieee80211_get_sband(sdata);
	if (!sband)
		return -EINVAL;
J
Johannes Berg 已提交
1367

1368 1369
	mask = params->sta_flags_mask;
	set = params->sta_flags_set;
J
Johannes Berg 已提交
1370

1371 1372 1373 1374 1375 1376 1377 1378 1379
	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);
1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391
	} 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);
		}
1392
	}
1393

1394 1395 1396 1397
	if (mask & BIT(NL80211_STA_FLAG_WME) &&
	    local->hw.queues >= IEEE80211_NUM_ACS)
		sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);

1398 1399 1400 1401 1402
	/* 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)))) {
1403 1404 1405 1406
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}
1407

1408 1409
	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
J
Johannes Berg 已提交
1410 1411 1412
			set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
		else
			clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1413
	}
1414

1415
	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1416
		sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1417
		if (set & BIT(NL80211_STA_FLAG_MFP))
J
Johannes Berg 已提交
1418 1419 1420
			set_sta_flag(sta, WLAN_STA_MFP);
		else
			clear_sta_flag(sta, WLAN_STA_MFP);
1421
	}
1422

1423 1424
	if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
		if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
J
Johannes Berg 已提交
1425 1426 1427
			set_sta_flag(sta, WLAN_STA_TDLS_PEER);
		else
			clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1428
	}
1429

1430 1431 1432 1433 1434 1435 1436
	/* 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);

1437
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1438
	    !sdata->u.mgd.tdls_wider_bw_prohibited &&
1439 1440 1441 1442 1443
	    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);

1444 1445 1446 1447
	if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
		sta->sta.uapsd_queues = params->uapsd_queues;
		sta->sta.max_sp = params->max_sp;
	}
1448

1449 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
	/* 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;
		}
	}

1477 1478 1479 1480 1481 1482 1483
	/*
	 * 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
1484
	/*
1485 1486 1487 1488 1489
	 * 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
1490 1491
	 */

1492 1493 1494
	if (params->listen_interval >= 0)
		sta->listen_interval = params->listen_interval;

1495 1496 1497 1498 1499 1500 1501 1502 1503
	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;
	}

1504
	if (params->supported_rates && params->supported_rates_len) {
1505 1506 1507
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
					 sband, params->supported_rates,
					 params->supported_rates_len,
1508
					 &sta->sta.supp_rates[sband->band]);
1509
	}
1510

J
Johannes Berg 已提交
1511
	if (params->ht_capa)
B
Ben Greear 已提交
1512
		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1513
						  params->ht_capa, sta);
1514

1515
	/* VHT can override some HT caps such as the A-MSDU max length */
M
Mahesh Palivela 已提交
1516 1517
	if (params->vht_capa)
		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1518
						    params->vht_capa, sta);
M
Mahesh Palivela 已提交
1519

L
Luca Coelho 已提交
1520 1521 1522
	if (params->he_capa)
		ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
						  (void *)params->he_capa,
1523 1524 1525
						  params->he_capa_len,
						  (void *)params->he_6ghz_capa,
						  sta);
L
Luca Coelho 已提交
1526

1527 1528 1529 1530
	if (params->opmode_notif_used) {
		/* returned value is only needed for rc update, but the
		 * rc isn't initialized here yet, so ignore it
		 */
1531 1532
		__ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
					      sband->band);
1533 1534
	}

1535 1536 1537
	if (params->support_p2p_ps >= 0)
		sta->sta.support_p2p_ps = params->support_p2p_ps;

1538 1539
	if (ieee80211_vif_is_mesh(&sdata->vif))
		sta_apply_mesh_params(local, sta, params);
1540

1541 1542 1543
	if (params->airtime_weight)
		sta->airtime_weight = params->airtime_weight;

1544
	/* set the STA state after all sta info from usermode has been set */
1545 1546
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1547 1548 1549 1550 1551
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}

1552
	return 0;
1553 1554 1555
}

static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1556 1557
				 const u8 *mac,
				 struct station_parameters *params)
1558
{
1559
	struct ieee80211_local *local = wiphy_priv(wiphy);
1560 1561
	struct sta_info *sta;
	struct ieee80211_sub_if_data *sdata;
J
Johannes Berg 已提交
1562
	int err;
1563 1564 1565 1566

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

1567 1568
		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    sdata->vif.type != NL80211_IFTYPE_AP)
1569 1570 1571 1572
			return -EINVAL;
	} else
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1573
	if (ether_addr_equal(mac, sdata->vif.addr))
1574 1575
		return -EINVAL;

1576
	if (!is_valid_ether_addr(mac))
1577 1578
		return -EINVAL;

J
Johannes Berg 已提交
1579 1580 1581 1582 1583
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
	    sdata->vif.type == NL80211_IFTYPE_STATION &&
	    !sdata->u.mgd.associated)
		return -EINVAL;

1584
	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
J
Johannes Berg 已提交
1585 1586
	if (!sta)
		return -ENOMEM;
1587

1588 1589
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
		sta->sta.tdls = true;
1590

1591 1592 1593 1594 1595
	err = sta_apply_parameters(local, sta, params);
	if (err) {
		sta_info_free(local, sta);
		return err;
	}
1596

1597
	/*
1598 1599 1600
	 * for TDLS and for unassociated station, rate control should be
	 * initialized only when rates are known and station is marked
	 * authorized/associated
1601
	 */
1602 1603
	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    test_sta_flag(sta, WLAN_STA_ASSOC))
1604
		rate_control_rate_init(sta);
1605

1606
	err = sta_info_insert_rcu(sta);
J
Johannes Berg 已提交
1607 1608 1609 1610 1611 1612 1613
	if (err) {
		rcu_read_unlock();
		return err;
	}

	rcu_read_unlock();

1614 1615 1616 1617
	return 0;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1618
				 struct station_del_parameters *params)
1619
{
1620
	struct ieee80211_sub_if_data *sdata;
1621

1622 1623
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1624 1625
	if (params->mac)
		return sta_info_destroy_addr_bss(sdata, params->mac);
1626

1627
	sta_info_flush(sdata);
1628 1629 1630 1631
	return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
1632
				    struct net_device *dev, const u8 *mac,
1633 1634
				    struct station_parameters *params)
{
1635
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636
	struct ieee80211_local *local = wiphy_priv(wiphy);
1637 1638
	struct sta_info *sta;
	struct ieee80211_sub_if_data *vlansdata;
1639
	enum cfg80211_station_type statype;
1640
	int err;
1641

1642
	mutex_lock(&local->sta_mtx);
J
Johannes Berg 已提交
1643

1644
	sta = sta_info_get_bss(sdata, mac);
J
Johannes Berg 已提交
1645
	if (!sta) {
1646 1647
		err = -ENOENT;
		goto out_err;
J
Johannes Berg 已提交
1648
	}
1649

1650 1651
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_MESH_POINT:
1652
		if (sdata->u.mesh.user_mpm)
1653
			statype = CFG80211_STA_MESH_PEER_USER;
1654
		else
1655
			statype = CFG80211_STA_MESH_PEER_KERNEL;
1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671
		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:
1672 1673 1674 1675
		if (test_sta_flag(sta, WLAN_STA_ASSOC))
			statype = CFG80211_STA_AP_CLIENT;
		else
			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1676 1677 1678 1679
		break;
	default:
		err = -EOPNOTSUPP;
		goto out_err;
1680 1681
	}

1682 1683 1684 1685
	err = cfg80211_check_station_change(wiphy, params, statype);
	if (err)
		goto out_err;

1686
	if (params->vlan && params->vlan != sta->sdata->dev) {
1687 1688
		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

1689
		if (params->vlan->ieee80211_ptr->use_4addr) {
J
Johannes Berg 已提交
1690
			if (vlansdata->u.vlan.sta) {
1691 1692
				err = -EBUSY;
				goto out_err;
J
Johannes Berg 已提交
1693
			}
1694

1695
			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
J
Johannes Berg 已提交
1696
			__ieee80211_check_fast_rx_iface(vlansdata);
1697 1698 1699
		}

		if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1700
		    sta->sdata->u.vlan.sta)
M
Monam Agarwal 已提交
1701
			RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1702 1703 1704

		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			ieee80211_vif_dec_num_mcast(sta->sdata);
1705

1706
		sta->sdata = vlansdata;
1707
		ieee80211_check_fast_xmit(sta);
1708

1709
		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1710
			ieee80211_vif_inc_num_mcast(sta->sdata);
1711 1712 1713
			cfg80211_send_layer2_update(sta->sdata->dev,
						    sta->sta.addr);
		}
1714 1715
	}

1716
	err = sta_apply_parameters(local, sta, params);
1717 1718
	if (err)
		goto out_err;
1719

1720
	mutex_unlock(&local->sta_mtx);
J
Johannes Berg 已提交
1721

1722
	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
E
Eliad Peller 已提交
1723
	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
J
Johannes Berg 已提交
1724
		ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
1725 1726
		ieee80211_recalc_ps_vif(sdata);
	}
1727

1728
	return 0;
1729 1730 1731
out_err:
	mutex_unlock(&local->sta_mtx);
	return err;
1732 1733
}

1734 1735
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1736
			       const u8 *dst, const u8 *next_hop)
1737
{
1738
	struct ieee80211_sub_if_data *sdata;
1739 1740 1741
	struct mesh_path *mpath;
	struct sta_info *sta;

1742 1743
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1744
	rcu_read_lock();
1745
	sta = sta_info_get(sdata, next_hop);
1746 1747
	if (!sta) {
		rcu_read_unlock();
1748
		return -ENOENT;
1749
	}
1750

1751 1752
	mpath = mesh_path_add(sdata, dst);
	if (IS_ERR(mpath)) {
1753
		rcu_read_unlock();
1754
		return PTR_ERR(mpath);
1755
	}
1756 1757

	mesh_path_fix_nexthop(mpath, sta);
1758

1759 1760 1761 1762 1763
	rcu_read_unlock();
	return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1764
			       const u8 *dst)
1765
{
1766 1767
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1768
	if (dst)
J
Johannes Berg 已提交
1769
		return mesh_path_del(sdata, dst);
1770

1771
	mesh_path_flush_by_iface(sdata);
1772 1773 1774
	return 0;
}

1775 1776
static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *dst, const u8 *next_hop)
1777
{
1778
	struct ieee80211_sub_if_data *sdata;
1779 1780 1781
	struct mesh_path *mpath;
	struct sta_info *sta;

1782 1783
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1784 1785
	rcu_read_lock();

1786
	sta = sta_info_get(sdata, next_hop);
1787 1788
	if (!sta) {
		rcu_read_unlock();
1789
		return -ENOENT;
1790
	}
1791

J
Johannes Berg 已提交
1792
	mpath = mesh_path_lookup(sdata, dst);
1793 1794 1795 1796 1797 1798
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}

	mesh_path_fix_nexthop(mpath, sta);
1799

1800 1801 1802 1803 1804 1805 1806
	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
1807 1808 1809 1810
	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);
1811
	else
1812
		eth_zero_addr(next_hop);
1813

1814 1815
	memset(pinfo, 0, sizeof(*pinfo));

1816
	pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1817

1818
	pinfo->filled = MPATH_INFO_FRAME_QLEN |
1819
			MPATH_INFO_SN |
1820 1821 1822 1823
			MPATH_INFO_METRIC |
			MPATH_INFO_EXPTIME |
			MPATH_INFO_DISCOVERY_TIMEOUT |
			MPATH_INFO_DISCOVERY_RETRIES |
1824
			MPATH_INFO_FLAGS |
1825 1826
			MPATH_INFO_HOP_COUNT |
			MPATH_INFO_PATH_CHANGE;
1827 1828

	pinfo->frame_qlen = mpath->frame_queue.qlen;
1829
	pinfo->sn = mpath->sn;
1830 1831 1832 1833 1834 1835 1836 1837 1838 1839
	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;
1840 1841
	if (mpath->flags & MESH_PATH_SN_VALID)
		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1842 1843
	if (mpath->flags & MESH_PATH_FIXED)
		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1844 1845
	if (mpath->flags & MESH_PATH_RESOLVED)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1846
	pinfo->hop_count = mpath->hop_count;
1847
	pinfo->path_change_count = mpath->path_change_count;
1848 1849 1850 1851 1852 1853
}

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

{
1854
	struct ieee80211_sub_if_data *sdata;
1855 1856
	struct mesh_path *mpath;

1857 1858
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1859
	rcu_read_lock();
J
Johannes Berg 已提交
1860
	mpath = mesh_path_lookup(sdata, dst);
1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871
	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,
1872 1873
				int idx, u8 *dst, u8 *next_hop,
				struct mpath_info *pinfo)
1874
{
1875
	struct ieee80211_sub_if_data *sdata;
1876 1877
	struct mesh_path *mpath;

1878 1879
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1880
	rcu_read_lock();
J
Johannes Berg 已提交
1881
	mpath = mesh_path_lookup_by_idx(sdata, idx);
1882 1883 1884 1885 1886 1887 1888 1889 1890
	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;
}
1891

1892 1893 1894 1895 1896 1897
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);

1898
	pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1899 1900 1901 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
}

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;
}

1943
static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958
				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;
}

1959 1960 1961 1962 1963
static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
		const struct mesh_setup *setup)
{
	u8 *new_ie;
	const u8 *old_ie;
1964 1965
	struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
					struct ieee80211_sub_if_data, u.mesh);
1966
	int i;
1967

1968
	/* allocate information elements */
1969
	new_ie = NULL;
1970
	old_ie = ifmsh->ie;
1971

1972 1973
	if (setup->ie_len) {
		new_ie = kmemdup(setup->ie, setup->ie_len,
1974 1975 1976 1977
				GFP_KERNEL);
		if (!new_ie)
			return -ENOMEM;
	}
1978 1979 1980
	ifmsh->ie_len = setup->ie_len;
	ifmsh->ie = new_ie;
	kfree(old_ie);
1981 1982 1983 1984

	/* 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);
1985
	ifmsh->mesh_sp_id = setup->sync_method;
1986 1987
	ifmsh->mesh_pp_id = setup->path_sel_proto;
	ifmsh->mesh_pm_id = setup->path_metric;
1988
	ifmsh->user_mpm = setup->user_mpm;
1989
	ifmsh->mesh_auth_id = setup->auth_id;
1990
	ifmsh->security = IEEE80211_MESH_SEC_NONE;
1991
	ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1992 1993 1994 1995
	if (setup->is_authenticated)
		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
	if (setup->is_secure)
		ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1996

1997 1998 1999
	/* mcast rate setting in Mesh Node */
	memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
						sizeof(setup->mcast_rate));
2000
	sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2001

2002 2003 2004
	sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
	sdata->vif.bss_conf.dtim_period = setup->dtim_period;

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
	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;
		}
	}

2016 2017 2018
	return 0;
}

2019
static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2020 2021
					struct net_device *dev, u32 mask,
					const struct mesh_config *nconf)
2022 2023 2024
{
	struct mesh_config *conf;
	struct ieee80211_sub_if_data *sdata;
2025 2026
	struct ieee80211_if_mesh *ifmsh;

2027
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2028
	ifmsh = &sdata->u.mesh;
2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043

	/* 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;
2044
	if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2045
		conf->element_ttl = nconf->element_ttl;
2046 2047 2048
	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
		if (ifmsh->user_mpm)
			return -EBUSY;
2049
		conf->auto_open_plinks = nconf->auto_open_plinks;
2050
	}
2051 2052 2053
	if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
		conf->dot11MeshNbrOffsetMaxNeighbor =
			nconf->dot11MeshNbrOffsetMaxNeighbor;
2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066
	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;
2067 2068 2069
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
		conf->dot11MeshHWMPperrMinInterval =
			nconf->dot11MeshHWMPperrMinInterval;
2070 2071 2072 2073
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
			   mask))
		conf->dot11MeshHWMPnetDiameterTraversalTime =
			nconf->dot11MeshHWMPnetDiameterTraversalTime;
2074 2075 2076 2077
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
		ieee80211_mesh_root_setup(ifmsh);
	}
2078
	if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
T
Thomas Pedersen 已提交
2079 2080 2081 2082
		/* our current gate announcement implementation rides on root
		 * announcements, so require this ifmsh to also be a root node
		 * */
		if (nconf->dot11MeshGateAnnouncementProtocol &&
2083 2084
		    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
			conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
T
Thomas Pedersen 已提交
2085 2086
			ieee80211_mesh_root_setup(ifmsh);
		}
2087 2088 2089
		conf->dot11MeshGateAnnouncementProtocol =
			nconf->dot11MeshGateAnnouncementProtocol;
	}
2090
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2091 2092
		conf->dot11MeshHWMPRannInterval =
			nconf->dot11MeshHWMPRannInterval;
2093 2094
	if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
		conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2095 2096 2097 2098
	if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
		/* our RSSI threshold implementation is supported only for
		 * devices that report signal in dBm.
		 */
2099
		if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2100 2101 2102
			return -ENOTSUPP;
		conf->rssi_threshold = nconf->rssi_threshold;
	}
2103 2104 2105 2106 2107
	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);
	}
2108 2109 2110 2111 2112 2113
	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;
2114 2115 2116
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
		conf->dot11MeshHWMPconfirmationInterval =
			nconf->dot11MeshHWMPconfirmationInterval;
M
Marco Porsch 已提交
2117 2118 2119 2120
	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
2121
	if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
M
Marco Porsch 已提交
2122 2123
		conf->dot11MeshAwakeWindowDuration =
			nconf->dot11MeshAwakeWindowDuration;
2124 2125
	if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
		conf->plink_timeout = nconf->plink_timeout;
2126 2127 2128
	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
		conf->dot11MeshConnectedToMeshGate =
			nconf->dot11MeshConnectedToMeshGate;
T
Thomas Pedersen 已提交
2129
	ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2130 2131 2132
	return 0;
}

2133 2134 2135 2136 2137 2138
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;
2139
	int err;
2140

2141 2142 2143 2144
	memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
	err = copy_mesh_setup(ifmsh, setup);
	if (err)
		return err;
2145

2146 2147
	sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;

2148 2149 2150 2151
	/* can mesh use other SMPS modes? */
	sdata->smps_mode = IEEE80211_SMPS_OFF;
	sdata->needed_rx_chains = sdata->local->rx_chains;

2152
	mutex_lock(&sdata->local->mtx);
2153
	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
J
Johannes Berg 已提交
2154
					IEEE80211_CHANCTX_SHARED);
2155
	mutex_unlock(&sdata->local->mtx);
2156 2157 2158
	if (err)
		return err;

T
Thomas Pedersen 已提交
2159
	return ieee80211_start_mesh(sdata);
2160 2161 2162 2163 2164 2165 2166
}

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);
2167
	mutex_lock(&sdata->local->mtx);
J
Johannes Berg 已提交
2168
	ieee80211_vif_release_channel(sdata);
2169
	mutex_unlock(&sdata->local->mtx);
2170 2171 2172

	return 0;
}
2173 2174
#endif

2175 2176 2177 2178
static int ieee80211_change_bss(struct wiphy *wiphy,
				struct net_device *dev,
				struct bss_parameters *params)
{
J
Johannes Berg 已提交
2179
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2180
	struct ieee80211_supported_band *sband;
2181 2182
	u32 changed = 0;

2183
	if (!sdata_dereference(sdata->u.ap.beacon, sdata))
J
Johannes Berg 已提交
2184 2185
		return -ENOENT;

2186 2187 2188
	sband = ieee80211_get_sband(sdata);
	if (!sband)
		return -EINVAL;
2189 2190

	if (params->use_cts_prot >= 0) {
J
Johannes Berg 已提交
2191
		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2192 2193 2194
		changed |= BSS_CHANGED_ERP_CTS_PROT;
	}
	if (params->use_short_preamble >= 0) {
J
Johannes Berg 已提交
2195
		sdata->vif.bss_conf.use_short_preamble =
2196 2197 2198
			params->use_short_preamble;
		changed |= BSS_CHANGED_ERP_PREAMBLE;
	}
2199 2200

	if (!sdata->vif.bss_conf.use_short_slot &&
2201 2202
	    (sband->band == NL80211_BAND_5GHZ ||
	     sband->band == NL80211_BAND_6GHZ)) {
2203 2204 2205 2206
		sdata->vif.bss_conf.use_short_slot = true;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2207
	if (params->use_short_slot_time >= 0) {
J
Johannes Berg 已提交
2208
		sdata->vif.bss_conf.use_short_slot =
2209 2210 2211 2212
			params->use_short_slot_time;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2213
	if (params->basic_rates) {
2214
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2215
					 wiphy->bands[sband->band],
2216 2217 2218
					 params->basic_rates,
					 params->basic_rates_len,
					 &sdata->vif.bss_conf.basic_rates);
2219
		changed |= BSS_CHANGED_BASIC_RATES;
2220
		ieee80211_check_rate_mask(sdata);
2221 2222
	}

2223 2224 2225 2226 2227
	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
2228
		ieee80211_check_fast_rx_iface(sdata);
2229 2230
	}

2231 2232 2233 2234 2235 2236
	if (params->ht_opmode >= 0) {
		sdata->vif.bss_conf.ht_operation_mode =
			(u16) params->ht_opmode;
		changed |= BSS_CHANGED_HT;
	}

2237
	if (params->p2p_ctwindow >= 0) {
J
Janusz Dziedzic 已提交
2238 2239 2240 2241
		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;
2242 2243 2244
		changed |= BSS_CHANGED_P2P_PS;
	}

J
Janusz Dziedzic 已提交
2245 2246 2247 2248 2249 2250 2251
	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;
2252 2253 2254
		changed |= BSS_CHANGED_P2P_PS;
	}

2255 2256 2257 2258 2259
	ieee80211_bss_info_change_notify(sdata, changed);

	return 0;
}

2260
static int ieee80211_set_txq_params(struct wiphy *wiphy,
2261
				    struct net_device *dev,
2262 2263 2264
				    struct ieee80211_txq_params *params)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2265
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2266 2267 2268 2269 2270
	struct ieee80211_tx_queue_params p;

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

2271 2272 2273
	if (local->hw.queues < IEEE80211_NUM_ACS)
		return -EOPNOTSUPP;

2274 2275 2276 2277 2278
	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
2279 2280 2281 2282 2283 2284 2285

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

2286 2287
	ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);

2288 2289
	sdata->tx_conf[params->ac] = p;
	if (drv_conf_tx(local, sdata, params->ac, &p)) {
J
Joe Perches 已提交
2290
		wiphy_debug(local->hw.wiphy,
2291 2292
			    "failed to set TX queue parameters for AC %d\n",
			    params->ac);
2293 2294 2295
		return -EINVAL;
	}

2296 2297
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);

2298 2299 2300
	return 0;
}

2301
#ifdef CONFIG_PM
J
Johannes Berg 已提交
2302 2303
static int ieee80211_suspend(struct wiphy *wiphy,
			     struct cfg80211_wowlan *wowlan)
2304
{
2305
	return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316
}

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

2317 2318 2319
static int ieee80211_scan(struct wiphy *wiphy,
			  struct cfg80211_scan_request *req)
{
J
Johannes Berg 已提交
2320 2321 2322
	struct ieee80211_sub_if_data *sdata;

	sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2323

2324 2325 2326 2327 2328
	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:
2329
	case NL80211_IFTYPE_P2P_DEVICE:
2330 2331 2332 2333
		break;
	case NL80211_IFTYPE_P2P_GO:
		if (sdata->local->ops->hw_scan)
			break;
2334 2335 2336 2337 2338
		/*
		 * FIXME: implement NoA while scanning in software,
		 * for now fall through to allow scanning only when
		 * beaconing hasn't been configured yet
		 */
2339
		/* fall through */
2340
	case NL80211_IFTYPE_AP:
2341 2342 2343 2344 2345 2346 2347 2348 2349 2350
		/*
		 * 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)))
2351 2352
			return -EOPNOTSUPP;
		break;
2353
	case NL80211_IFTYPE_NAN:
2354 2355 2356
	default:
		return -EOPNOTSUPP;
	}
2357 2358 2359 2360

	return ieee80211_request_scan(sdata, req);
}

2361 2362 2363 2364 2365
static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	ieee80211_scan_cancel(wiphy_priv(wiphy));
}

2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379
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
2380 2381
ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
			  u64 reqid)
2382
{
2383
	struct ieee80211_local *local = wiphy_priv(wiphy);
2384

2385
	if (!local->ops->sched_scan_stop)
2386 2387
		return -EOPNOTSUPP;

2388
	return ieee80211_request_sched_scan_stop(local);
2389 2390
}

2391 2392 2393
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
			  struct cfg80211_auth_request *req)
{
2394
	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2395 2396 2397 2398 2399
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_assoc_request *req)
{
2400
	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2401 2402 2403
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2404
			    struct cfg80211_deauth_request *req)
2405
{
2406
	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2407 2408 2409
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2410
			      struct cfg80211_disassoc_request *req)
2411
{
2412
	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2413 2414
}

2415 2416 2417
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			       struct cfg80211_ibss_params *params)
{
J
Johannes Berg 已提交
2418
	return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2419 2420 2421 2422
}

static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
J
Johannes Berg 已提交
2423
	return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2424 2425
}

2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436
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));
}

2437
static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2438
				    int rate[NUM_NL80211_BANDS])
2439 2440 2441
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

2442
	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2443
	       sizeof(int) * NUM_NL80211_BANDS);
2444

2445 2446
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);

2447 2448 2449
	return 0;
}

2450 2451 2452
static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2453
	int err;
2454

2455
	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
J
Johannes Berg 已提交
2456 2457
		ieee80211_check_fast_xmit_all(local);

2458 2459
		err = drv_set_frag_threshold(local, wiphy->frag_threshold);

J
Johannes Berg 已提交
2460 2461
		if (err) {
			ieee80211_check_fast_xmit_all(local);
2462
			return err;
J
Johannes Berg 已提交
2463
		}
2464 2465
	}

2466 2467 2468 2469 2470 2471 2472
	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);
2473 2474 2475 2476 2477

		if (err)
			return err;
	}

2478
	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2479
		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2480

2481 2482
		if (err)
			return err;
2483 2484
	}

2485 2486 2487
	if (changed & WIPHY_PARAM_RETRY_SHORT) {
		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2488
		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2489 2490 2491 2492
	}
	if (changed & WIPHY_PARAM_RETRY_LONG) {
		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2493
		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2494
	}
2495 2496 2497 2498
	if (changed &
	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);

2499 2500 2501 2502 2503
	if (changed & (WIPHY_PARAM_TXQ_LIMIT |
		       WIPHY_PARAM_TXQ_MEMORY_LIMIT |
		       WIPHY_PARAM_TXQ_QUANTUM))
		ieee80211_txq_set_params(local);

2504 2505 2506
	return 0;
}

2507
static int ieee80211_set_tx_power(struct wiphy *wiphy,
2508
				  struct wireless_dev *wdev,
2509
				  enum nl80211_tx_power_setting type, int mbm)
2510 2511
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2512
	struct ieee80211_sub_if_data *sdata;
2513 2514
	enum nl80211_tx_power_setting txp_type = type;
	bool update_txp_type = false;
2515
	bool has_monitor = false;
2516

2517 2518 2519
	if (wdev) {
		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

2520 2521 2522 2523 2524 2525
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			sdata = rtnl_dereference(local->monitor_sdata);
			if (!sdata)
				return -EOPNOTSUPP;
		}

2526 2527 2528
		switch (type) {
		case NL80211_TX_POWER_AUTOMATIC:
			sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2529
			txp_type = NL80211_TX_POWER_LIMITED;
2530 2531 2532 2533 2534 2535 2536 2537 2538
			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;
		}

2539 2540 2541 2542 2543 2544
		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);
2545 2546 2547

		return 0;
	}
J
Johannes Berg 已提交
2548

2549
	switch (type) {
2550
	case NL80211_TX_POWER_AUTOMATIC:
2551
		local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2552
		txp_type = NL80211_TX_POWER_LIMITED;
2553
		break;
2554 2555 2556 2557 2558
	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);
2559 2560 2561
		break;
	}

2562
	mutex_lock(&local->iflist_mtx);
2563
	list_for_each_entry(sdata, &local->interfaces, list) {
2564 2565 2566 2567
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			has_monitor = true;
			continue;
		}
2568
		sdata->user_power_level = local->user_power_level;
2569 2570 2571 2572
		if (txp_type != sdata->vif.bss_conf.txpower_type)
			update_txp_type = true;
		sdata->vif.bss_conf.txpower_type = txp_type;
	}
2573 2574 2575
	list_for_each_entry(sdata, &local->interfaces, list) {
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
			continue;
2576
		ieee80211_recalc_txpower(sdata, update_txp_type);
2577
	}
2578
	mutex_unlock(&local->iflist_mtx);
2579

2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591
	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);
		}
	}

2592 2593 2594
	return 0;
}

2595 2596 2597
static int ieee80211_get_tx_power(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  int *dbm)
2598 2599
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2600
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2601

2602 2603 2604
	if (local->ops->get_txpower)
		return drv_get_txpower(local, sdata, dbm);

2605 2606 2607 2608
	if (!local->use_chanctx)
		*dbm = local->hw.conf.power_level;
	else
		*dbm = sdata->vif.bss_conf.txpower;
2609 2610 2611 2612

	return 0;
}

J
Johannes Berg 已提交
2613
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
J
Johannes Berg 已提交
2614
				  const u8 *addr)
J
Johannes Berg 已提交
2615 2616 2617 2618 2619 2620 2621 2622
{
	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
2623 2624 2625 2626 2627 2628 2629
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	drv_rfkill_poll(local);
}

2630
#ifdef CONFIG_NL80211_TESTMODE
2631 2632 2633
static int ieee80211_testmode_cmd(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  void *data, int len)
2634 2635
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2636
	struct ieee80211_vif *vif = NULL;
2637 2638 2639 2640

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

2641 2642 2643 2644 2645 2646 2647 2648 2649
	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);
2650
}
W
Wey-Yi Guy 已提交
2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663

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);
}
2664 2665
#endif

2666 2667
int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
				 enum ieee80211_smps_mode smps_mode)
2668 2669 2670 2671
{
	const u8 *ap;
	enum ieee80211_smps_mode old_req;
	int err;
2672 2673
	struct sta_info *sta;
	bool tdls_peer_found = false;
2674

2675
	lockdep_assert_held(&sdata->wdev.mtx);
2676

2677 2678 2679
	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
		return -EINVAL;

2680 2681 2682 2683 2684 2685 2686 2687 2688
	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
2689 2690
	 * association, there's no need to do anything, just store
	 * the new value until we associate.
2691 2692
	 */
	if (!sdata->u.mgd.associated ||
2693
	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2694 2695
		return 0;

2696
	ap = sdata->u.mgd.associated->bssid;
2697

2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708
	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();

2709
	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2710
		if (tdls_peer_found || !sdata->u.mgd.powersave)
2711
			smps_mode = IEEE80211_SMPS_OFF;
2712 2713
		else
			smps_mode = IEEE80211_SMPS_DYNAMIC;
2714 2715 2716 2717 2718 2719 2720
	}

	/* 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;
2721 2722
	else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
		ieee80211_teardown_tdls_peers(sdata);
2723 2724 2725 2726

	return err;
}

J
Johannes Berg 已提交
2727 2728 2729 2730 2731 2732
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);

2733
	if (sdata->vif.type != NL80211_IFTYPE_STATION)
2734 2735
		return -EOPNOTSUPP;

2736
	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
J
Johannes Berg 已提交
2737 2738 2739
		return -EOPNOTSUPP;

	if (enabled == sdata->u.mgd.powersave &&
2740
	    timeout == local->dynamic_ps_forced_timeout)
J
Johannes Berg 已提交
2741 2742 2743
		return 0;

	sdata->u.mgd.powersave = enabled;
2744
	local->dynamic_ps_forced_timeout = timeout;
J
Johannes Berg 已提交
2745

2746
	/* no change, but if automatic follow powersave */
2747
	sdata_lock(sdata);
2748
	__ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2749
	sdata_unlock(sdata);
2750

2751
	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
J
Johannes Berg 已提交
2752 2753
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);

J
Johannes Berg 已提交
2754
	ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
2755
	ieee80211_recalc_ps_vif(sdata);
2756
	ieee80211_check_fast_rx_iface(sdata);
J
Johannes Berg 已提交
2757 2758 2759 2760

	return 0;
}

2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772
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;

2773 2774 2775 2776
	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
	    !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
		return -EOPNOTSUPP;

2777 2778
	bss_conf->cqm_rssi_thold = rssi_thold;
	bss_conf->cqm_rssi_hyst = rssi_hyst;
2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805
	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;
2806
	sdata->u.mgd.last_cqm_event_signal = 0;
2807 2808

	/* tell the driver upon association, unless already associated */
2809 2810
	if (sdata->u.mgd.associated &&
	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2811 2812 2813 2814 2815
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);

	return 0;
}

J
Johannes Berg 已提交
2816 2817 2818 2819 2820 2821 2822
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);
2823
	int i, ret;
2824

2825 2826 2827
	if (!ieee80211_sdata_running(sdata))
		return -ENETDOWN;

2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842
	/*
	 * 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;
	}

2843 2844 2845 2846 2847 2848
	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
		ret = drv_set_bitrate_mask(local, sdata, mask);
		if (ret)
			return ret;
	}

2849
	for (i = 0; i < NUM_NL80211_BANDS; i++) {
2850 2851 2852
		struct ieee80211_supported_band *sband = wiphy->bands[i];
		int j;

2853
		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2854 2855
		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
		       sizeof(mask->control[i].ht_mcs));
2856 2857 2858
		memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
		       mask->control[i].vht_mcs,
		       sizeof(mask->control[i].vht_mcs));
2859 2860

		sdata->rc_has_mcs_mask[i] = false;
2861
		sdata->rc_has_vht_mcs_mask[i] = false;
2862 2863 2864
		if (!sband)
			continue;

2865
		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2866
			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2867
				sdata->rc_has_mcs_mask[i] = true;
2868 2869 2870
				break;
			}
		}
2871

2872 2873
		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2874
				sdata->rc_has_vht_mcs_mask[i] = true;
2875
				break;
2876
			}
2877
		}
2878
	}
J
Johannes Berg 已提交
2879

2880
	return 0;
J
Johannes Berg 已提交
2881 2882
}

2883 2884
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
					   struct net_device *dev,
2885 2886
					   struct cfg80211_chan_def *chandef,
					   u32 cac_time_ms)
2887 2888 2889 2890 2891
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	int err;

2892 2893 2894 2895 2896
	mutex_lock(&local->mtx);
	if (!list_empty(&local->roc_list) || local->scanning) {
		err = -EBUSY;
		goto out_unlock;
	}
2897 2898 2899 2900 2901 2902 2903 2904

	/* 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)
2905
		goto out_unlock;
2906 2907

	ieee80211_queue_delayed_work(&sdata->local->hw,
2908 2909
				     &sdata->dfs_cac_timer_work,
				     msecs_to_jiffies(cac_time_ms));
2910

2911 2912 2913
 out_unlock:
	mutex_unlock(&local->mtx);
	return err;
2914 2915
}

2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937
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);
}

2938 2939 2940 2941 2942 2943 2944 2945 2946
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 +
2947
	      beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2948 2949 2950 2951 2952 2953 2954 2955 2956 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

	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;
2986
		new_beacon->probe_resp = pos;
2987 2988 2989
		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
		pos += beacon->probe_resp_len;
	}
2990 2991 2992

	/* might copy -1, meaning no changes requested */
	new_beacon->ftm_responder = beacon->ftm_responder;
2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004
	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;
	}
3005 3006 3007 3008

	return new_beacon;
}

3009
void ieee80211_csa_finish(struct ieee80211_vif *vif)
3010
{
3011
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3012

3013 3014 3015 3016
	ieee80211_queue_work(&sdata->local->hw,
			     &sdata->csa_finalize_work);
}
EXPORT_SYMBOL(ieee80211_csa_finish);
3017

3018 3019
static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
					  u32 *changed)
3020
{
3021
	int err;
3022

3023 3024
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3025 3026
		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
					      NULL);
3027 3028 3029
		kfree(sdata->u.ap.next_beacon);
		sdata->u.ap.next_beacon = NULL;

3030
		if (err < 0)
3031 3032
			return err;
		*changed |= err;
3033 3034
		break;
	case NL80211_IFTYPE_ADHOC:
3035 3036
		err = ieee80211_ibss_finish_csa(sdata);
		if (err < 0)
3037 3038
			return err;
		*changed |= err;
3039
		break;
3040 3041 3042 3043
#ifdef CONFIG_MAC80211_MESH
	case NL80211_IFTYPE_MESH_POINT:
		err = ieee80211_mesh_finish_csa(sdata);
		if (err < 0)
3044 3045
			return err;
		*changed |= err;
3046 3047
		break;
#endif
3048 3049
	default:
		WARN_ON(1);
3050 3051 3052 3053 3054 3055
		return -EINVAL;
	}

	return 0;
}

3056
static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3057 3058 3059 3060 3061 3062 3063
{
	struct ieee80211_local *local = sdata->local;
	u32 changed = 0;
	int err;

	sdata_assert_lock(sdata);
	lockdep_assert_held(&local->mtx);
3064
	lockdep_assert_held(&local->chanctx_mtx);
3065

3066 3067 3068 3069 3070 3071
	/*
	 * 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
	 */
3072

3073 3074 3075 3076 3077 3078 3079 3080 3081
	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;

3082
		return ieee80211_vif_use_reserved_context(sdata);
3083
	}
3084

3085 3086 3087 3088
	if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
					&sdata->csa_chandef))
		return -EINVAL;

3089 3090 3091 3092
	sdata->vif.csa_active = false;

	err = ieee80211_set_after_csa_beacon(sdata, &changed);
	if (err)
3093
		return err;
3094

3095
	ieee80211_bss_info_change_notify(sdata, changed);
3096

3097 3098 3099 3100 3101
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}
3102

3103 3104 3105 3106 3107 3108
	err = drv_post_channel_switch(sdata);
	if (err)
		return err;

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

3109 3110 3111 3112 3113 3114 3115 3116 3117 3118
	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);
	}
3119 3120 3121 3122 3123 3124 3125
}

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);
3126
	struct ieee80211_local *local = sdata->local;
3127 3128

	sdata_lock(sdata);
3129
	mutex_lock(&local->mtx);
3130
	mutex_lock(&local->chanctx_mtx);
3131

3132 3133 3134 3135 3136 3137 3138 3139
	/* 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);
3140 3141

unlock:
3142
	mutex_unlock(&local->chanctx_mtx);
3143
	mutex_unlock(&local->mtx);
3144
	sdata_unlock(sdata);
3145 3146
}

3147 3148 3149
static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
				    struct cfg80211_csa_settings *params,
				    u32 *changed)
3150
{
3151
	struct ieee80211_csa_settings csa = {};
3152
	int err;
3153 3154 3155

	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3156 3157 3158 3159 3160
		sdata->u.ap.next_beacon =
			cfg80211_beacon_dup(&params->beacon_after);
		if (!sdata->u.ap.next_beacon)
			return -ENOMEM;

3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179
		/*
		 * 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;

3180 3181 3182 3183 3184
		if ((params->n_counter_offsets_beacon >
		     IEEE80211_MAX_CSA_COUNTERS_NUM) ||
		    (params->n_counter_offsets_presp >
		     IEEE80211_MAX_CSA_COUNTERS_NUM))
			return -EINVAL;
3185

3186 3187 3188 3189 3190
		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;
3191

3192
		err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3193 3194 3195 3196
		if (err < 0) {
			kfree(sdata->u.ap.next_beacon);
			return err;
		}
3197
		*changed |= err;
3198

3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225
		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;

3226 3227 3228 3229 3230
		/* see comments in the NL80211_IFTYPE_AP block */
		if (params->count > 1) {
			err = ieee80211_ibss_csa_beacon(sdata, params);
			if (err < 0)
				return err;
3231
			*changed |= err;
3232 3233 3234 3235
		}

		ieee80211_send_action_csa(sdata, params);

3236
		break;
3237
#ifdef CONFIG_MAC80211_MESH
3238 3239
	case NL80211_IFTYPE_MESH_POINT: {
		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3240 3241 3242 3243 3244 3245 3246 3247 3248

		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;

3249
		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3250
			ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3251 3252 3253 3254 3255
			if (!ifmsh->pre_value)
				ifmsh->pre_value = 1;
			else
				ifmsh->pre_value++;
		}
3256

3257 3258 3259 3260 3261 3262 3263
		/* 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;
			}
3264
			*changed |= err;
3265
		}
3266 3267 3268 3269

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

3270
		break;
3271
		}
3272
#endif
3273 3274 3275 3276
	default:
		return -EOPNOTSUPP;
	}

3277 3278 3279
	return 0;
}

3280 3281 3282
static int
__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_csa_settings *params)
3283 3284 3285
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
3286
	struct ieee80211_channel_switch ch_switch;
3287
	struct ieee80211_chanctx_conf *conf;
3288
	struct ieee80211_chanctx *chanctx;
3289 3290
	u32 changed = 0;
	int err;
3291 3292

	sdata_assert_lock(sdata);
3293
	lockdep_assert_held(&local->mtx);
3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304

	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;

3305 3306 3307 3308
	/* don't allow another channel switch if one is already active. */
	if (sdata->vif.csa_active)
		return -EBUSY;

3309 3310 3311 3312
	mutex_lock(&local->chanctx_mtx);
	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
					 lockdep_is_held(&local->chanctx_mtx));
	if (!conf) {
3313 3314
		err = -EBUSY;
		goto out;
3315 3316
	}

3317 3318 3319 3320 3321 3322
	if (params->chandef.chan->freq_offset) {
		/* this may work, but is untested */
		err = -EOPNOTSUPP;
		goto out;
	}

3323
	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3324

3325 3326 3327 3328 3329 3330
	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;

3331 3332 3333 3334
	err = drv_pre_channel_switch(sdata, &ch_switch);
	if (err)
		goto out;

3335 3336 3337 3338 3339
	err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
					    chanctx->mode,
					    params->radar_required);
	if (err)
		goto out;
3340

3341 3342 3343 3344 3345 3346
	/* 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;
	}
3347 3348

	err = ieee80211_set_csa_beacon(sdata, params, &changed);
3349 3350 3351 3352
	if (err) {
		ieee80211_vif_unreserve_chanctx(sdata);
		goto out;
	}
3353

3354
	sdata->csa_chandef = params->chandef;
3355
	sdata->csa_block_tx = params->block_tx;
3356 3357
	sdata->vif.csa_active = true;

3358
	if (sdata->csa_block_tx)
3359 3360
		ieee80211_stop_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
3361

3362 3363 3364
	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
					  params->count);

3365 3366 3367 3368 3369 3370 3371
	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);
	}
3372

3373 3374 3375
out:
	mutex_unlock(&local->chanctx_mtx);
	return err;
3376 3377
}

3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391
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;
}

3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404
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;
}

3405 3406
int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
			     u64 *cookie, gfp_t gfp)
3407 3408 3409 3410 3411 3412 3413
{
	unsigned long spin_flags;
	struct sk_buff *ack_skb;
	int id;

	ack_skb = skb_copy(skb, gfp);
	if (!ack_skb)
3414
		return -ENOMEM;
3415 3416 3417

	spin_lock_irqsave(&local->ack_status_lock, spin_flags);
	id = idr_alloc(&local->ack_status_frames, ack_skb,
3418
		       1, 0x2000, GFP_ATOMIC);
3419 3420 3421 3422
	spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);

	if (id < 0) {
		kfree_skb(ack_skb);
3423
		return -ENOMEM;
3424 3425 3426 3427 3428 3429 3430
	}

	IEEE80211_SKB_CB(skb)->ack_frame_id = id;

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

3431
	return 0;
3432 3433
}

3434 3435
static void
ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3436
					  struct wireless_dev *wdev,
3437
					  struct mgmt_frame_regs *upd)
3438 3439
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
3440
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3441
	u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3442
	u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3443
	bool global_change, intf_change;
3444

3445
	global_change =
3446 3447 3448
		(local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
		(local->rx_mcast_action_reg !=
		 !!(upd->global_mcast_stypes & action_mask));
3449
	local->probe_req_reg = upd->global_stypes & preq_mask;
3450
	local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3451

3452 3453 3454 3455
	intf_change = (sdata->vif.probe_req_reg !=
		       !!(upd->interface_stypes & preq_mask)) ||
		(sdata->vif.rx_mcast_action_reg !=
		 !!(upd->interface_mcast_stypes & action_mask));
3456
	sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3457 3458
	sdata->vif.rx_mcast_action_reg =
		upd->interface_mcast_stypes & action_mask;
3459

3460 3461
	if (!local->open_count)
		return;
3462

3463 3464 3465 3466 3467
	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);
3468

3469
	if (global_change)
3470
		ieee80211_configure_filter(local);
3471 3472
}

3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489
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);
}

3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504
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
3505 3506 3507 3508 3509 3510
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;
3511
	struct sk_buff *skb;
J
Johannes Berg 已提交
3512 3513 3514 3515 3516
	int size = sizeof(*nullfunc);
	__le16 fc;
	bool qos;
	struct ieee80211_tx_info *info;
	struct sta_info *sta;
J
Johannes Berg 已提交
3517
	struct ieee80211_chanctx_conf *chanctx_conf;
3518
	enum nl80211_band band;
3519 3520 3521 3522
	int ret;

	/* the lock is needed to assign the cookie later */
	mutex_lock(&local->mtx);
J
Johannes Berg 已提交
3523 3524

	rcu_read_lock();
J
Johannes Berg 已提交
3525 3526
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (WARN_ON(!chanctx_conf)) {
3527 3528
		ret = -EINVAL;
		goto unlock;
J
Johannes Berg 已提交
3529
	}
3530
	band = chanctx_conf->def.chan->band;
3531
	sta = sta_info_get_bss(sdata, peer);
3532
	if (sta) {
3533
		qos = sta->sta.wme;
3534
	} else {
3535 3536
		ret = -ENOLINK;
		goto unlock;
3537
	}
J
Johannes Berg 已提交
3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550

	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
3551
	if (!skb) {
3552 3553
		ret = -ENOMEM;
		goto unlock;
J
Johannes Berg 已提交
3554
	}
J
Johannes Berg 已提交
3555 3556 3557 3558 3559

	skb->dev = dev;

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

3560
	nullfunc = skb_put(skb, size);
J
Johannes Berg 已提交
3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571
	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;
3572
	info->band = band;
J
Johannes Berg 已提交
3573 3574 3575 3576 3577 3578

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

3579 3580
	ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
	if (ret) {
3581 3582 3583 3584
		kfree_skb(skb);
		goto unlock;
	}

J
Johannes Berg 已提交
3585
	local_bh_disable();
3586
	ieee80211_xmit(sdata, sta, skb, 0);
J
Johannes Berg 已提交
3587
	local_bh_enable();
3588 3589 3590

	ret = 0;
unlock:
J
Johannes Berg 已提交
3591
	rcu_read_unlock();
3592
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
3593

3594
	return ret;
J
Johannes Berg 已提交
3595 3596
}

3597 3598 3599
static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     struct cfg80211_chan_def *chandef)
3600
{
J
Johannes Berg 已提交
3601
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3602
	struct ieee80211_local *local = wiphy_priv(wiphy);
J
Johannes Berg 已提交
3603
	struct ieee80211_chanctx_conf *chanctx_conf;
3604
	int ret = -ENODATA;
J
Johannes Berg 已提交
3605 3606

	rcu_read_lock();
3607 3608
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (chanctx_conf) {
3609
		*chandef = sdata->vif.bss_conf.chandef;
3610 3611 3612 3613 3614 3615 3616
		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
3617
			*chandef = local->_oper_chandef;
3618
		ret = 0;
J
Johannes Berg 已提交
3619 3620
	}
	rcu_read_unlock();
3621

3622
	return ret;
3623 3624
}

3625 3626 3627 3628 3629 3630 3631
#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
	drv_set_wakeup(wiphy_priv(wiphy), enabled);
}
#endif

3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648
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;
	}

3649
	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3650 3651 3652 3653 3654 3655 3656
	rcu_assign_pointer(sdata->qos_map, new_qos_map);
	if (old_qos_map)
		kfree_rcu(old_qos_map, rcu_head);

	return 0;
}

3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671
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;
}

3672 3673 3674 3675 3676 3677 3678 3679 3680 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
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();
3724
		ieee80211_flush_queues(local, sdata, false);
3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741

		/* 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;
}

3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773
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);

3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798
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);

3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809
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;
}

3810 3811 3812 3813 3814 3815 3816 3817 3818 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
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;
}

3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913
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);
}

3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933
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);
}

3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962
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,
3963
				      const u8 *peer, u8 tids)
3964 3965 3966 3967 3968 3969 3970 3971 3972
{
	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)
3973
		return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3974 3975 3976 3977 3978 3979 3980 3981

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

3982
	ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3983 3984 3985 3986 3987
	mutex_unlock(&sdata->local->sta_mtx);

	return ret;
}

3988
const struct cfg80211_ops mac80211_config_ops = {
3989 3990
	.add_virtual_intf = ieee80211_add_iface,
	.del_virtual_intf = ieee80211_del_iface,
3991
	.change_virtual_intf = ieee80211_change_iface,
3992 3993
	.start_p2p_device = ieee80211_start_p2p_device,
	.stop_p2p_device = ieee80211_stop_p2p_device,
3994 3995
	.add_key = ieee80211_add_key,
	.del_key = ieee80211_del_key,
3996
	.get_key = ieee80211_get_key,
3997
	.set_default_key = ieee80211_config_default_key,
3998
	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3999
	.set_default_beacon_key = ieee80211_config_default_beacon_key,
4000 4001 4002
	.start_ap = ieee80211_start_ap,
	.change_beacon = ieee80211_change_beacon,
	.stop_ap = ieee80211_stop_ap,
4003 4004 4005
	.add_station = ieee80211_add_station,
	.del_station = ieee80211_del_station,
	.change_station = ieee80211_change_station,
4006
	.get_station = ieee80211_get_station,
4007
	.dump_station = ieee80211_dump_station,
4008
	.dump_survey = ieee80211_dump_survey,
4009 4010 4011 4012 4013 4014
#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,
4015 4016
	.get_mpp = ieee80211_get_mpp,
	.dump_mpp = ieee80211_dump_mpp,
4017 4018
	.update_mesh_config = ieee80211_update_mesh_config,
	.get_mesh_config = ieee80211_get_mesh_config,
4019 4020
	.join_mesh = ieee80211_join_mesh,
	.leave_mesh = ieee80211_leave_mesh,
4021
#endif
4022 4023
	.join_ocb = ieee80211_join_ocb,
	.leave_ocb = ieee80211_leave_ocb,
4024
	.change_bss = ieee80211_change_bss,
4025
	.set_txq_params = ieee80211_set_txq_params,
4026
	.set_monitor_channel = ieee80211_set_monitor_channel,
4027 4028
	.suspend = ieee80211_suspend,
	.resume = ieee80211_resume,
4029
	.scan = ieee80211_scan,
4030
	.abort_scan = ieee80211_abort_scan,
4031 4032
	.sched_scan_start = ieee80211_sched_scan_start,
	.sched_scan_stop = ieee80211_sched_scan_stop,
4033 4034 4035 4036
	.auth = ieee80211_auth,
	.assoc = ieee80211_assoc,
	.deauth = ieee80211_deauth,
	.disassoc = ieee80211_disassoc,
4037 4038
	.join_ibss = ieee80211_join_ibss,
	.leave_ibss = ieee80211_leave_ibss,
4039
	.set_mcast_rate = ieee80211_set_mcast_rate,
4040
	.set_wiphy_params = ieee80211_set_wiphy_params,
4041 4042
	.set_tx_power = ieee80211_set_tx_power,
	.get_tx_power = ieee80211_get_tx_power,
J
Johannes Berg 已提交
4043
	.set_wds_peer = ieee80211_set_wds_peer,
J
Johannes Berg 已提交
4044
	.rfkill_poll = ieee80211_rfkill_poll,
4045
	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
W
Wey-Yi Guy 已提交
4046
	CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
J
Johannes Berg 已提交
4047
	.set_power_mgmt = ieee80211_set_power_mgmt,
J
Johannes Berg 已提交
4048
	.set_bitrate_mask = ieee80211_set_bitrate_mask,
4049 4050
	.remain_on_channel = ieee80211_remain_on_channel,
	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4051
	.mgmt_tx = ieee80211_mgmt_tx,
4052
	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4053
	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4054
	.set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4055 4056
	.update_mgmt_frame_registrations =
		ieee80211_update_mgmt_frame_registrations,
4057 4058
	.set_antenna = ieee80211_set_antenna,
	.get_antenna = ieee80211_get_antenna,
4059
	.set_rekey_data = ieee80211_set_rekey_data,
4060 4061
	.tdls_oper = ieee80211_tdls_oper,
	.tdls_mgmt = ieee80211_tdls_mgmt,
4062 4063
	.tdls_channel_switch = ieee80211_tdls_channel_switch,
	.tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
J
Johannes Berg 已提交
4064
	.probe_client = ieee80211_probe_client,
4065
	.set_noack_map = ieee80211_set_noack_map,
4066 4067 4068
#ifdef CONFIG_PM
	.set_wakeup = ieee80211_set_wakeup,
#endif
4069
	.get_channel = ieee80211_cfg_get_channel,
4070
	.start_radar_detection = ieee80211_start_radar_detection,
4071
	.end_cac = ieee80211_end_cac,
4072
	.channel_switch = ieee80211_channel_switch,
4073
	.set_qos_map = ieee80211_set_qos_map,
4074
	.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4075 4076
	.add_tx_ts = ieee80211_add_tx_ts,
	.del_tx_ts = ieee80211_del_tx_ts,
4077 4078
	.start_nan = ieee80211_start_nan,
	.stop_nan = ieee80211_stop_nan,
4079
	.nan_change_conf = ieee80211_nan_change_conf,
4080 4081
	.add_nan_func = ieee80211_add_nan_func,
	.del_nan_func = ieee80211_del_nan_func,
4082
	.set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4083
	.tx_control_port = ieee80211_tx_control_port,
4084
	.get_txq_stats = ieee80211_get_txq_stats,
4085
	.get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4086 4087
	.start_pmsr = ieee80211_start_pmsr,
	.abort_pmsr = ieee80211_abort_pmsr,
4088
	.probe_mesh_link = ieee80211_probe_mesh_link,
4089 4090
	.set_tid_config = ieee80211_set_tid_config,
	.reset_tid_config = ieee80211_reset_tid_config,
4091
};