cfg.c 108.7 KB
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// SPDX-License-Identifier: GPL-2.0-only
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/*
 * mac80211 configuration hooks for cfg80211
 *
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 * Copyright 2006-2010	Johannes Berg <johannes@sipsolutions.net>
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 * Copyright 2013-2015  Intel Mobile Communications GmbH
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 * Copyright (C) 2015-2017 Intel Deutschland GmbH
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 * Copyright (C) 2018-2020 Intel Corporation
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 */

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

	if (params->vht_mumimo_groups) {
		u64 membership;

		BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);

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

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

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

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

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

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

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

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

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

	if (monitor_sdata)
		ieee80211_set_mu_mimo_follow(monitor_sdata, params);

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

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

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

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

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	return wdev;
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}

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static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
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{
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	ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
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146
	return 0;
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}

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static int ieee80211_change_iface(struct wiphy *wiphy,
				  struct net_device *dev,
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				  enum nl80211_iftype type,
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				  struct vif_params *params)
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{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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	int ret;
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157
	ret = ieee80211_if_change_type(sdata, type);
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	if (ret)
		return ret;
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	if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
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		RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
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		ieee80211_check_fast_rx_iface(sdata);
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	} else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
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		sdata->u.mgd.use_4addr = params->use_4addr;
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	}
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	if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
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		ret = ieee80211_set_mon_options(sdata, params);
		if (ret)
			return ret;
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	}
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	return 0;
}

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

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

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	return ieee80211_do_open(wdev, true);
}

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

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

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

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

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

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

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	return ret;
}

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

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

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

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

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

	new_conf = sdata->u.nan.conf;

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

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

	return ret;
}

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

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

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

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

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

	if (ret < 0)
		return ret;

	nan_func->instance_id = ret;

	WARN_ON(nan_func->instance_id == 0);

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

	return ret;
}

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

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

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

	return NULL;
}

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

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

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

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

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

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

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

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

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	return 0;
}

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

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

	sta = sta_info_get_bss(sdata, mac_addr);

	if (!sta)
		return -EINVAL;

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

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

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

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

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

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

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

401
	/* reject WEP and TKIP keys if WEP failed to initialize */
402 403 404
	switch (params->cipher) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_TKIP:
405
	case WLAN_CIPHER_SUITE_WEP104:
406
		if (WARN_ON_ONCE(fips_enabled))
407
			return -EINVAL;
408
	case WLAN_CIPHER_SUITE_CCMP:
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	case WLAN_CIPHER_SUITE_CCMP_256:
410
	case WLAN_CIPHER_SUITE_AES_CMAC:
411
	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
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	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
414
	case WLAN_CIPHER_SUITE_GCMP:
415
	case WLAN_CIPHER_SUITE_GCMP_256:
416
		break;
417
	default:
418
		cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
419
		break;
420 421
	}

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

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

434
	mutex_lock(&local->sta_mtx);
435

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

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

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	if (sta)
		sta->cipher_scheme = cs;

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

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

	return err;
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}

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

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	mutex_lock(&local->sta_mtx);
	mutex_lock(&local->key_mtx);
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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]);
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		else
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			key = key_mtx_dereference(local, sta->gtk[key_idx]);
523
	} else
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		key = key_mtx_dereference(local, sdata->keys[key_idx]);
525

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

531
	ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
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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) {
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		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 1523 1524
	if (params->he_capa)
		ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
						  (void *)params->he_capa,
						  params->he_capa_len, sta);

1525 1526 1527 1528
	if (params->opmode_notif_used) {
		/* returned value is only needed for rc update, but the
		 * rc isn't initialized here yet, so ignore it
		 */
1529 1530
		__ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
					      sband->band);
1531 1532
	}

1533 1534 1535
	if (params->support_p2p_ps >= 0)
		sta->sta.support_p2p_ps = params->support_p2p_ps;

1536 1537
	if (ieee80211_vif_is_mesh(&sdata->vif))
		sta_apply_mesh_params(local, sta, params);
1538

1539 1540 1541
	if (params->airtime_weight)
		sta->airtime_weight = params->airtime_weight;

1542
	/* set the STA state after all sta info from usermode has been set */
1543 1544
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1545 1546 1547 1548 1549
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}

1550
	return 0;
1551 1552 1553
}

static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1554 1555
				 const u8 *mac,
				 struct station_parameters *params)
1556
{
1557
	struct ieee80211_local *local = wiphy_priv(wiphy);
1558 1559
	struct sta_info *sta;
	struct ieee80211_sub_if_data *sdata;
J
Johannes Berg 已提交
1560
	int err;
1561 1562 1563 1564

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

1565 1566
		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    sdata->vif.type != NL80211_IFTYPE_AP)
1567 1568 1569 1570
			return -EINVAL;
	} else
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1571
	if (ether_addr_equal(mac, sdata->vif.addr))
1572 1573
		return -EINVAL;

1574
	if (!is_valid_ether_addr(mac))
1575 1576
		return -EINVAL;

J
Johannes Berg 已提交
1577 1578 1579 1580 1581
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
	    sdata->vif.type == NL80211_IFTYPE_STATION &&
	    !sdata->u.mgd.associated)
		return -EINVAL;

1582
	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
J
Johannes Berg 已提交
1583 1584
	if (!sta)
		return -ENOMEM;
1585

1586 1587
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
		sta->sta.tdls = true;
1588

1589 1590 1591 1592 1593
	err = sta_apply_parameters(local, sta, params);
	if (err) {
		sta_info_free(local, sta);
		return err;
	}
1594

1595
	/*
1596 1597 1598
	 * for TDLS and for unassociated station, rate control should be
	 * initialized only when rates are known and station is marked
	 * authorized/associated
1599
	 */
1600 1601
	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    test_sta_flag(sta, WLAN_STA_ASSOC))
1602
		rate_control_rate_init(sta);
1603

1604
	err = sta_info_insert_rcu(sta);
J
Johannes Berg 已提交
1605 1606 1607 1608 1609 1610 1611
	if (err) {
		rcu_read_unlock();
		return err;
	}

	rcu_read_unlock();

1612 1613 1614 1615
	return 0;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1616
				 struct station_del_parameters *params)
1617
{
1618
	struct ieee80211_sub_if_data *sdata;
1619

1620 1621
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1622 1623
	if (params->mac)
		return sta_info_destroy_addr_bss(sdata, params->mac);
1624

1625
	sta_info_flush(sdata);
1626 1627 1628 1629
	return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
1630
				    struct net_device *dev, const u8 *mac,
1631 1632
				    struct station_parameters *params)
{
1633
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1634
	struct ieee80211_local *local = wiphy_priv(wiphy);
1635 1636
	struct sta_info *sta;
	struct ieee80211_sub_if_data *vlansdata;
1637
	enum cfg80211_station_type statype;
1638
	int err;
1639

1640
	mutex_lock(&local->sta_mtx);
J
Johannes Berg 已提交
1641

1642
	sta = sta_info_get_bss(sdata, mac);
J
Johannes Berg 已提交
1643
	if (!sta) {
1644 1645
		err = -ENOENT;
		goto out_err;
J
Johannes Berg 已提交
1646
	}
1647

1648 1649
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_MESH_POINT:
1650
		if (sdata->u.mesh.user_mpm)
1651
			statype = CFG80211_STA_MESH_PEER_USER;
1652
		else
1653
			statype = CFG80211_STA_MESH_PEER_KERNEL;
1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669
		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:
1670 1671 1672 1673
		if (test_sta_flag(sta, WLAN_STA_ASSOC))
			statype = CFG80211_STA_AP_CLIENT;
		else
			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1674 1675 1676 1677
		break;
	default:
		err = -EOPNOTSUPP;
		goto out_err;
1678 1679
	}

1680 1681 1682 1683
	err = cfg80211_check_station_change(wiphy, params, statype);
	if (err)
		goto out_err;

1684
	if (params->vlan && params->vlan != sta->sdata->dev) {
1685 1686
		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

1687
		if (params->vlan->ieee80211_ptr->use_4addr) {
J
Johannes Berg 已提交
1688
			if (vlansdata->u.vlan.sta) {
1689 1690
				err = -EBUSY;
				goto out_err;
J
Johannes Berg 已提交
1691
			}
1692

1693
			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
J
Johannes Berg 已提交
1694
			__ieee80211_check_fast_rx_iface(vlansdata);
1695 1696 1697
		}

		if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1698
		    sta->sdata->u.vlan.sta)
M
Monam Agarwal 已提交
1699
			RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1700 1701 1702

		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			ieee80211_vif_dec_num_mcast(sta->sdata);
1703

1704
		sta->sdata = vlansdata;
1705
		ieee80211_check_fast_xmit(sta);
1706

1707
		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1708
			ieee80211_vif_inc_num_mcast(sta->sdata);
1709 1710 1711
			cfg80211_send_layer2_update(sta->sdata->dev,
						    sta->sta.addr);
		}
1712 1713
	}

1714
	err = sta_apply_parameters(local, sta, params);
1715 1716
	if (err)
		goto out_err;
1717

1718
	mutex_unlock(&local->sta_mtx);
J
Johannes Berg 已提交
1719

1720
	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
E
Eliad Peller 已提交
1721
	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
J
Johannes Berg 已提交
1722
		ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
1723 1724
		ieee80211_recalc_ps_vif(sdata);
	}
1725

1726
	return 0;
1727 1728 1729
out_err:
	mutex_unlock(&local->sta_mtx);
	return err;
1730 1731
}

1732 1733
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1734
			       const u8 *dst, const u8 *next_hop)
1735
{
1736
	struct ieee80211_sub_if_data *sdata;
1737 1738 1739
	struct mesh_path *mpath;
	struct sta_info *sta;

1740 1741
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1742
	rcu_read_lock();
1743
	sta = sta_info_get(sdata, next_hop);
1744 1745
	if (!sta) {
		rcu_read_unlock();
1746
		return -ENOENT;
1747
	}
1748

1749 1750
	mpath = mesh_path_add(sdata, dst);
	if (IS_ERR(mpath)) {
1751
		rcu_read_unlock();
1752
		return PTR_ERR(mpath);
1753
	}
1754 1755

	mesh_path_fix_nexthop(mpath, sta);
1756

1757 1758 1759 1760 1761
	rcu_read_unlock();
	return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1762
			       const u8 *dst)
1763
{
1764 1765
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1766
	if (dst)
J
Johannes Berg 已提交
1767
		return mesh_path_del(sdata, dst);
1768

1769
	mesh_path_flush_by_iface(sdata);
1770 1771 1772
	return 0;
}

1773 1774
static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *dst, const u8 *next_hop)
1775
{
1776
	struct ieee80211_sub_if_data *sdata;
1777 1778 1779
	struct mesh_path *mpath;
	struct sta_info *sta;

1780 1781
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1782 1783
	rcu_read_lock();

1784
	sta = sta_info_get(sdata, next_hop);
1785 1786
	if (!sta) {
		rcu_read_unlock();
1787
		return -ENOENT;
1788
	}
1789

J
Johannes Berg 已提交
1790
	mpath = mesh_path_lookup(sdata, dst);
1791 1792 1793 1794 1795 1796
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}

	mesh_path_fix_nexthop(mpath, sta);
1797

1798 1799 1800 1801 1802 1803 1804
	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
1805 1806 1807 1808
	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);
1809
	else
1810
		eth_zero_addr(next_hop);
1811

1812 1813
	memset(pinfo, 0, sizeof(*pinfo));

1814
	pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1815

1816
	pinfo->filled = MPATH_INFO_FRAME_QLEN |
1817
			MPATH_INFO_SN |
1818 1819 1820 1821
			MPATH_INFO_METRIC |
			MPATH_INFO_EXPTIME |
			MPATH_INFO_DISCOVERY_TIMEOUT |
			MPATH_INFO_DISCOVERY_RETRIES |
1822
			MPATH_INFO_FLAGS |
1823 1824
			MPATH_INFO_HOP_COUNT |
			MPATH_INFO_PATH_CHANGE;
1825 1826

	pinfo->frame_qlen = mpath->frame_queue.qlen;
1827
	pinfo->sn = mpath->sn;
1828 1829 1830 1831 1832 1833 1834 1835 1836 1837
	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;
1838 1839
	if (mpath->flags & MESH_PATH_SN_VALID)
		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1840 1841
	if (mpath->flags & MESH_PATH_FIXED)
		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1842 1843
	if (mpath->flags & MESH_PATH_RESOLVED)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1844
	pinfo->hop_count = mpath->hop_count;
1845
	pinfo->path_change_count = mpath->path_change_count;
1846 1847 1848 1849 1850 1851
}

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

{
1852
	struct ieee80211_sub_if_data *sdata;
1853 1854
	struct mesh_path *mpath;

1855 1856
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1857
	rcu_read_lock();
J
Johannes Berg 已提交
1858
	mpath = mesh_path_lookup(sdata, dst);
1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869
	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,
1870 1871
				int idx, u8 *dst, u8 *next_hop,
				struct mpath_info *pinfo)
1872
{
1873
	struct ieee80211_sub_if_data *sdata;
1874 1875
	struct mesh_path *mpath;

1876 1877
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1878
	rcu_read_lock();
J
Johannes Berg 已提交
1879
	mpath = mesh_path_lookup_by_idx(sdata, idx);
1880 1881 1882 1883 1884 1885 1886 1887 1888
	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;
}
1889

1890 1891 1892 1893 1894 1895
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);

1896
	pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1897 1898 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
}

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;
}

1941
static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956
				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;
}

1957 1958 1959 1960 1961
static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
		const struct mesh_setup *setup)
{
	u8 *new_ie;
	const u8 *old_ie;
1962 1963
	struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
					struct ieee80211_sub_if_data, u.mesh);
1964
	int i;
1965

1966
	/* allocate information elements */
1967
	new_ie = NULL;
1968
	old_ie = ifmsh->ie;
1969

1970 1971
	if (setup->ie_len) {
		new_ie = kmemdup(setup->ie, setup->ie_len,
1972 1973 1974 1975
				GFP_KERNEL);
		if (!new_ie)
			return -ENOMEM;
	}
1976 1977 1978
	ifmsh->ie_len = setup->ie_len;
	ifmsh->ie = new_ie;
	kfree(old_ie);
1979 1980 1981 1982

	/* 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);
1983
	ifmsh->mesh_sp_id = setup->sync_method;
1984 1985
	ifmsh->mesh_pp_id = setup->path_sel_proto;
	ifmsh->mesh_pm_id = setup->path_metric;
1986
	ifmsh->user_mpm = setup->user_mpm;
1987
	ifmsh->mesh_auth_id = setup->auth_id;
1988
	ifmsh->security = IEEE80211_MESH_SEC_NONE;
1989
	ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1990 1991 1992 1993
	if (setup->is_authenticated)
		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
	if (setup->is_secure)
		ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1994

1995 1996 1997
	/* mcast rate setting in Mesh Node */
	memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
						sizeof(setup->mcast_rate));
1998
	sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1999

2000 2001 2002
	sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
	sdata->vif.bss_conf.dtim_period = setup->dtim_period;

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
	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;
		}
	}

2014 2015 2016
	return 0;
}

2017
static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2018 2019
					struct net_device *dev, u32 mask,
					const struct mesh_config *nconf)
2020 2021 2022
{
	struct mesh_config *conf;
	struct ieee80211_sub_if_data *sdata;
2023 2024
	struct ieee80211_if_mesh *ifmsh;

2025
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2026
	ifmsh = &sdata->u.mesh;
2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041

	/* 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;
2042
	if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2043
		conf->element_ttl = nconf->element_ttl;
2044 2045 2046
	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
		if (ifmsh->user_mpm)
			return -EBUSY;
2047
		conf->auto_open_plinks = nconf->auto_open_plinks;
2048
	}
2049 2050 2051
	if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
		conf->dot11MeshNbrOffsetMaxNeighbor =
			nconf->dot11MeshNbrOffsetMaxNeighbor;
2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064
	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;
2065 2066 2067
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
		conf->dot11MeshHWMPperrMinInterval =
			nconf->dot11MeshHWMPperrMinInterval;
2068 2069 2070 2071
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
			   mask))
		conf->dot11MeshHWMPnetDiameterTraversalTime =
			nconf->dot11MeshHWMPnetDiameterTraversalTime;
2072 2073 2074 2075
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
		ieee80211_mesh_root_setup(ifmsh);
	}
2076
	if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
T
Thomas Pedersen 已提交
2077 2078 2079 2080
		/* our current gate announcement implementation rides on root
		 * announcements, so require this ifmsh to also be a root node
		 * */
		if (nconf->dot11MeshGateAnnouncementProtocol &&
2081 2082
		    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
			conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
T
Thomas Pedersen 已提交
2083 2084
			ieee80211_mesh_root_setup(ifmsh);
		}
2085 2086 2087
		conf->dot11MeshGateAnnouncementProtocol =
			nconf->dot11MeshGateAnnouncementProtocol;
	}
2088
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2089 2090
		conf->dot11MeshHWMPRannInterval =
			nconf->dot11MeshHWMPRannInterval;
2091 2092
	if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
		conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2093 2094 2095 2096
	if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
		/* our RSSI threshold implementation is supported only for
		 * devices that report signal in dBm.
		 */
2097
		if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2098 2099 2100
			return -ENOTSUPP;
		conf->rssi_threshold = nconf->rssi_threshold;
	}
2101 2102 2103 2104 2105
	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);
	}
2106 2107 2108 2109 2110 2111
	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;
2112 2113 2114
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
		conf->dot11MeshHWMPconfirmationInterval =
			nconf->dot11MeshHWMPconfirmationInterval;
M
Marco Porsch 已提交
2115 2116 2117 2118
	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
2119
	if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
M
Marco Porsch 已提交
2120 2121
		conf->dot11MeshAwakeWindowDuration =
			nconf->dot11MeshAwakeWindowDuration;
2122 2123
	if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
		conf->plink_timeout = nconf->plink_timeout;
2124 2125 2126
	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
		conf->dot11MeshConnectedToMeshGate =
			nconf->dot11MeshConnectedToMeshGate;
T
Thomas Pedersen 已提交
2127
	ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2128 2129 2130
	return 0;
}

2131 2132 2133 2134 2135 2136
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;
2137
	int err;
2138

2139 2140 2141 2142
	memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
	err = copy_mesh_setup(ifmsh, setup);
	if (err)
		return err;
2143

2144 2145
	sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;

2146 2147 2148 2149
	/* can mesh use other SMPS modes? */
	sdata->smps_mode = IEEE80211_SMPS_OFF;
	sdata->needed_rx_chains = sdata->local->rx_chains;

2150
	mutex_lock(&sdata->local->mtx);
2151
	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
J
Johannes Berg 已提交
2152
					IEEE80211_CHANCTX_SHARED);
2153
	mutex_unlock(&sdata->local->mtx);
2154 2155 2156
	if (err)
		return err;

T
Thomas Pedersen 已提交
2157
	return ieee80211_start_mesh(sdata);
2158 2159 2160 2161 2162 2163 2164
}

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);
2165
	mutex_lock(&sdata->local->mtx);
J
Johannes Berg 已提交
2166
	ieee80211_vif_release_channel(sdata);
2167
	mutex_unlock(&sdata->local->mtx);
2168 2169 2170

	return 0;
}
2171 2172
#endif

2173 2174 2175 2176
static int ieee80211_change_bss(struct wiphy *wiphy,
				struct net_device *dev,
				struct bss_parameters *params)
{
J
Johannes Berg 已提交
2177
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2178
	struct ieee80211_supported_band *sband;
2179 2180
	u32 changed = 0;

2181
	if (!sdata_dereference(sdata->u.ap.beacon, sdata))
J
Johannes Berg 已提交
2182 2183
		return -ENOENT;

2184 2185 2186
	sband = ieee80211_get_sband(sdata);
	if (!sband)
		return -EINVAL;
2187 2188

	if (params->use_cts_prot >= 0) {
J
Johannes Berg 已提交
2189
		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2190 2191 2192
		changed |= BSS_CHANGED_ERP_CTS_PROT;
	}
	if (params->use_short_preamble >= 0) {
J
Johannes Berg 已提交
2193
		sdata->vif.bss_conf.use_short_preamble =
2194 2195 2196
			params->use_short_preamble;
		changed |= BSS_CHANGED_ERP_PREAMBLE;
	}
2197 2198

	if (!sdata->vif.bss_conf.use_short_slot &&
2199
	    sband->band == NL80211_BAND_5GHZ) {
2200 2201 2202 2203
		sdata->vif.bss_conf.use_short_slot = true;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2204
	if (params->use_short_slot_time >= 0) {
J
Johannes Berg 已提交
2205
		sdata->vif.bss_conf.use_short_slot =
2206 2207 2208 2209
			params->use_short_slot_time;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

2210
	if (params->basic_rates) {
2211
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2212
					 wiphy->bands[sband->band],
2213 2214 2215
					 params->basic_rates,
					 params->basic_rates_len,
					 &sdata->vif.bss_conf.basic_rates);
2216
		changed |= BSS_CHANGED_BASIC_RATES;
2217
		ieee80211_check_rate_mask(sdata);
2218 2219
	}

2220 2221 2222 2223 2224
	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
2225
		ieee80211_check_fast_rx_iface(sdata);
2226 2227
	}

2228 2229 2230 2231 2232 2233
	if (params->ht_opmode >= 0) {
		sdata->vif.bss_conf.ht_operation_mode =
			(u16) params->ht_opmode;
		changed |= BSS_CHANGED_HT;
	}

2234
	if (params->p2p_ctwindow >= 0) {
J
Janusz Dziedzic 已提交
2235 2236 2237 2238
		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;
2239 2240 2241
		changed |= BSS_CHANGED_P2P_PS;
	}

J
Janusz Dziedzic 已提交
2242 2243 2244 2245 2246 2247 2248
	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;
2249 2250 2251
		changed |= BSS_CHANGED_P2P_PS;
	}

2252 2253 2254 2255 2256
	ieee80211_bss_info_change_notify(sdata, changed);

	return 0;
}

2257
static int ieee80211_set_txq_params(struct wiphy *wiphy,
2258
				    struct net_device *dev,
2259 2260 2261
				    struct ieee80211_txq_params *params)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2262
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2263 2264 2265 2266 2267
	struct ieee80211_tx_queue_params p;

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

2268 2269 2270
	if (local->hw.queues < IEEE80211_NUM_ACS)
		return -EOPNOTSUPP;

2271 2272 2273 2274 2275
	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
2276 2277 2278 2279 2280 2281 2282

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

2283 2284
	ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);

2285 2286
	sdata->tx_conf[params->ac] = p;
	if (drv_conf_tx(local, sdata, params->ac, &p)) {
J
Joe Perches 已提交
2287
		wiphy_debug(local->hw.wiphy,
2288 2289
			    "failed to set TX queue parameters for AC %d\n",
			    params->ac);
2290 2291 2292
		return -EINVAL;
	}

2293 2294
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);

2295 2296 2297
	return 0;
}

2298
#ifdef CONFIG_PM
J
Johannes Berg 已提交
2299 2300
static int ieee80211_suspend(struct wiphy *wiphy,
			     struct cfg80211_wowlan *wowlan)
2301
{
2302
	return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313
}

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

2314 2315 2316
static int ieee80211_scan(struct wiphy *wiphy,
			  struct cfg80211_scan_request *req)
{
J
Johannes Berg 已提交
2317 2318 2319
	struct ieee80211_sub_if_data *sdata;

	sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2320

2321 2322 2323 2324 2325
	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:
2326
	case NL80211_IFTYPE_P2P_DEVICE:
2327 2328 2329 2330
		break;
	case NL80211_IFTYPE_P2P_GO:
		if (sdata->local->ops->hw_scan)
			break;
2331 2332 2333 2334 2335
		/*
		 * FIXME: implement NoA while scanning in software,
		 * for now fall through to allow scanning only when
		 * beaconing hasn't been configured yet
		 */
2336
		/* fall through */
2337
	case NL80211_IFTYPE_AP:
2338 2339 2340 2341 2342 2343 2344 2345 2346 2347
		/*
		 * 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)))
2348 2349
			return -EOPNOTSUPP;
		break;
2350
	case NL80211_IFTYPE_NAN:
2351 2352 2353
	default:
		return -EOPNOTSUPP;
	}
2354 2355 2356 2357

	return ieee80211_request_scan(sdata, req);
}

2358 2359 2360 2361 2362
static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	ieee80211_scan_cancel(wiphy_priv(wiphy));
}

2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376
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
2377 2378
ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
			  u64 reqid)
2379
{
2380
	struct ieee80211_local *local = wiphy_priv(wiphy);
2381

2382
	if (!local->ops->sched_scan_stop)
2383 2384
		return -EOPNOTSUPP;

2385
	return ieee80211_request_sched_scan_stop(local);
2386 2387
}

2388 2389 2390
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
			  struct cfg80211_auth_request *req)
{
2391
	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2392 2393 2394 2395 2396
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_assoc_request *req)
{
2397
	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2398 2399 2400
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2401
			    struct cfg80211_deauth_request *req)
2402
{
2403
	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2404 2405 2406
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2407
			      struct cfg80211_disassoc_request *req)
2408
{
2409
	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2410 2411
}

2412 2413 2414
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			       struct cfg80211_ibss_params *params)
{
J
Johannes Berg 已提交
2415
	return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2416 2417 2418 2419
}

static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
J
Johannes Berg 已提交
2420
	return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2421 2422
}

2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433
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));
}

2434
static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2435
				    int rate[NUM_NL80211_BANDS])
2436 2437 2438
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

2439
	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2440
	       sizeof(int) * NUM_NL80211_BANDS);
2441

2442 2443
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);

2444 2445 2446
	return 0;
}

2447 2448 2449
static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2450
	int err;
2451

2452
	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
J
Johannes Berg 已提交
2453 2454
		ieee80211_check_fast_xmit_all(local);

2455 2456
		err = drv_set_frag_threshold(local, wiphy->frag_threshold);

J
Johannes Berg 已提交
2457 2458
		if (err) {
			ieee80211_check_fast_xmit_all(local);
2459
			return err;
J
Johannes Berg 已提交
2460
		}
2461 2462
	}

2463 2464 2465 2466 2467 2468 2469
	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);
2470 2471 2472 2473 2474

		if (err)
			return err;
	}

2475
	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2476
		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2477

2478 2479
		if (err)
			return err;
2480 2481
	}

2482 2483 2484
	if (changed & WIPHY_PARAM_RETRY_SHORT) {
		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2485
		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2486 2487 2488 2489
	}
	if (changed & WIPHY_PARAM_RETRY_LONG) {
		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2490
		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2491
	}
2492 2493 2494 2495
	if (changed &
	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);

2496 2497 2498 2499 2500
	if (changed & (WIPHY_PARAM_TXQ_LIMIT |
		       WIPHY_PARAM_TXQ_MEMORY_LIMIT |
		       WIPHY_PARAM_TXQ_QUANTUM))
		ieee80211_txq_set_params(local);

2501 2502 2503
	return 0;
}

2504
static int ieee80211_set_tx_power(struct wiphy *wiphy,
2505
				  struct wireless_dev *wdev,
2506
				  enum nl80211_tx_power_setting type, int mbm)
2507 2508
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2509
	struct ieee80211_sub_if_data *sdata;
2510 2511
	enum nl80211_tx_power_setting txp_type = type;
	bool update_txp_type = false;
2512
	bool has_monitor = false;
2513

2514 2515 2516
	if (wdev) {
		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

2517 2518 2519 2520 2521 2522
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			sdata = rtnl_dereference(local->monitor_sdata);
			if (!sdata)
				return -EOPNOTSUPP;
		}

2523 2524 2525
		switch (type) {
		case NL80211_TX_POWER_AUTOMATIC:
			sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2526
			txp_type = NL80211_TX_POWER_LIMITED;
2527 2528 2529 2530 2531 2532 2533 2534 2535
			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;
		}

2536 2537 2538 2539 2540 2541
		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);
2542 2543 2544

		return 0;
	}
J
Johannes Berg 已提交
2545

2546
	switch (type) {
2547
	case NL80211_TX_POWER_AUTOMATIC:
2548
		local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2549
		txp_type = NL80211_TX_POWER_LIMITED;
2550
		break;
2551 2552 2553 2554 2555
	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);
2556 2557 2558
		break;
	}

2559
	mutex_lock(&local->iflist_mtx);
2560
	list_for_each_entry(sdata, &local->interfaces, list) {
2561 2562 2563 2564
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
			has_monitor = true;
			continue;
		}
2565
		sdata->user_power_level = local->user_power_level;
2566 2567 2568 2569
		if (txp_type != sdata->vif.bss_conf.txpower_type)
			update_txp_type = true;
		sdata->vif.bss_conf.txpower_type = txp_type;
	}
2570 2571 2572
	list_for_each_entry(sdata, &local->interfaces, list) {
		if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
			continue;
2573
		ieee80211_recalc_txpower(sdata, update_txp_type);
2574
	}
2575
	mutex_unlock(&local->iflist_mtx);
2576

2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588
	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);
		}
	}

2589 2590 2591
	return 0;
}

2592 2593 2594
static int ieee80211_get_tx_power(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  int *dbm)
2595 2596
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2597
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2598

2599 2600 2601
	if (local->ops->get_txpower)
		return drv_get_txpower(local, sdata, dbm);

2602 2603 2604 2605
	if (!local->use_chanctx)
		*dbm = local->hw.conf.power_level;
	else
		*dbm = sdata->vif.bss_conf.txpower;
2606 2607 2608 2609

	return 0;
}

J
Johannes Berg 已提交
2610
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
J
Johannes Berg 已提交
2611
				  const u8 *addr)
J
Johannes Berg 已提交
2612 2613 2614 2615 2616 2617 2618 2619
{
	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
2620 2621 2622 2623 2624 2625 2626
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	drv_rfkill_poll(local);
}

2627
#ifdef CONFIG_NL80211_TESTMODE
2628 2629 2630
static int ieee80211_testmode_cmd(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  void *data, int len)
2631 2632
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2633
	struct ieee80211_vif *vif = NULL;
2634 2635 2636 2637

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

2638 2639 2640 2641 2642 2643 2644 2645 2646
	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);
2647
}
W
Wey-Yi Guy 已提交
2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660

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);
}
2661 2662
#endif

2663 2664
int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
				 enum ieee80211_smps_mode smps_mode)
2665 2666 2667 2668
{
	const u8 *ap;
	enum ieee80211_smps_mode old_req;
	int err;
2669 2670
	struct sta_info *sta;
	bool tdls_peer_found = false;
2671

2672
	lockdep_assert_held(&sdata->wdev.mtx);
2673

2674 2675 2676
	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
		return -EINVAL;

2677 2678 2679 2680 2681 2682 2683 2684 2685
	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
2686 2687
	 * association, there's no need to do anything, just store
	 * the new value until we associate.
2688 2689
	 */
	if (!sdata->u.mgd.associated ||
2690
	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2691 2692
		return 0;

2693
	ap = sdata->u.mgd.associated->bssid;
2694

2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705
	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();

2706
	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2707
		if (tdls_peer_found || !sdata->u.mgd.powersave)
2708
			smps_mode = IEEE80211_SMPS_OFF;
2709 2710
		else
			smps_mode = IEEE80211_SMPS_DYNAMIC;
2711 2712 2713 2714 2715 2716 2717
	}

	/* 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;
2718 2719
	else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
		ieee80211_teardown_tdls_peers(sdata);
2720 2721 2722 2723

	return err;
}

J
Johannes Berg 已提交
2724 2725 2726 2727 2728 2729
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);

2730
	if (sdata->vif.type != NL80211_IFTYPE_STATION)
2731 2732
		return -EOPNOTSUPP;

2733
	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
J
Johannes Berg 已提交
2734 2735 2736
		return -EOPNOTSUPP;

	if (enabled == sdata->u.mgd.powersave &&
2737
	    timeout == local->dynamic_ps_forced_timeout)
J
Johannes Berg 已提交
2738 2739 2740
		return 0;

	sdata->u.mgd.powersave = enabled;
2741
	local->dynamic_ps_forced_timeout = timeout;
J
Johannes Berg 已提交
2742

2743
	/* no change, but if automatic follow powersave */
2744
	sdata_lock(sdata);
2745
	__ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2746
	sdata_unlock(sdata);
2747

2748
	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
J
Johannes Berg 已提交
2749 2750
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);

J
Johannes Berg 已提交
2751
	ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
2752
	ieee80211_recalc_ps_vif(sdata);
2753
	ieee80211_check_fast_rx_iface(sdata);
J
Johannes Berg 已提交
2754 2755 2756 2757

	return 0;
}

2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769
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;

2770 2771 2772 2773
	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
	    !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
		return -EOPNOTSUPP;

2774 2775
	bss_conf->cqm_rssi_thold = rssi_thold;
	bss_conf->cqm_rssi_hyst = rssi_hyst;
2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802
	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;
2803
	sdata->u.mgd.last_cqm_event_signal = 0;
2804 2805

	/* tell the driver upon association, unless already associated */
2806 2807
	if (sdata->u.mgd.associated &&
	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2808 2809 2810 2811 2812
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);

	return 0;
}

J
Johannes Berg 已提交
2813 2814 2815 2816 2817 2818 2819
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);
2820
	int i, ret;
2821

2822 2823 2824
	if (!ieee80211_sdata_running(sdata))
		return -ENETDOWN;

2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839
	/*
	 * 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;
	}

2840 2841 2842 2843 2844 2845
	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
		ret = drv_set_bitrate_mask(local, sdata, mask);
		if (ret)
			return ret;
	}

2846
	for (i = 0; i < NUM_NL80211_BANDS; i++) {
2847 2848 2849
		struct ieee80211_supported_band *sband = wiphy->bands[i];
		int j;

2850
		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2851 2852
		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
		       sizeof(mask->control[i].ht_mcs));
2853 2854 2855
		memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
		       mask->control[i].vht_mcs,
		       sizeof(mask->control[i].vht_mcs));
2856 2857

		sdata->rc_has_mcs_mask[i] = false;
2858
		sdata->rc_has_vht_mcs_mask[i] = false;
2859 2860 2861
		if (!sband)
			continue;

2862
		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2863
			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2864
				sdata->rc_has_mcs_mask[i] = true;
2865 2866 2867
				break;
			}
		}
2868

2869 2870
		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2871
				sdata->rc_has_vht_mcs_mask[i] = true;
2872
				break;
2873
			}
2874
		}
2875
	}
J
Johannes Berg 已提交
2876

2877
	return 0;
J
Johannes Berg 已提交
2878 2879
}

2880 2881
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
					   struct net_device *dev,
2882 2883
					   struct cfg80211_chan_def *chandef,
					   u32 cac_time_ms)
2884 2885 2886 2887 2888
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	int err;

2889 2890 2891 2892 2893
	mutex_lock(&local->mtx);
	if (!list_empty(&local->roc_list) || local->scanning) {
		err = -EBUSY;
		goto out_unlock;
	}
2894 2895 2896 2897 2898 2899 2900 2901

	/* 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)
2902
		goto out_unlock;
2903 2904

	ieee80211_queue_delayed_work(&sdata->local->hw,
2905 2906
				     &sdata->dfs_cac_timer_work,
				     msecs_to_jiffies(cac_time_ms));
2907

2908 2909 2910
 out_unlock:
	mutex_unlock(&local->mtx);
	return err;
2911 2912
}

2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934
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);
}

2935 2936 2937 2938 2939 2940 2941 2942 2943
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 +
2944
	      beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2945 2946 2947 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

	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;
2983
		new_beacon->probe_resp = pos;
2984 2985 2986
		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
		pos += beacon->probe_resp_len;
	}
2987 2988 2989

	/* might copy -1, meaning no changes requested */
	new_beacon->ftm_responder = beacon->ftm_responder;
2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001
	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;
	}
3002 3003 3004 3005

	return new_beacon;
}

3006
void ieee80211_csa_finish(struct ieee80211_vif *vif)
3007
{
3008
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3009

3010 3011 3012 3013
	ieee80211_queue_work(&sdata->local->hw,
			     &sdata->csa_finalize_work);
}
EXPORT_SYMBOL(ieee80211_csa_finish);
3014

3015 3016
static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
					  u32 *changed)
3017
{
3018
	int err;
3019

3020 3021
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3022 3023
		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
					      NULL);
3024 3025 3026
		kfree(sdata->u.ap.next_beacon);
		sdata->u.ap.next_beacon = NULL;

3027
		if (err < 0)
3028 3029
			return err;
		*changed |= err;
3030 3031
		break;
	case NL80211_IFTYPE_ADHOC:
3032 3033
		err = ieee80211_ibss_finish_csa(sdata);
		if (err < 0)
3034 3035
			return err;
		*changed |= err;
3036
		break;
3037 3038 3039 3040
#ifdef CONFIG_MAC80211_MESH
	case NL80211_IFTYPE_MESH_POINT:
		err = ieee80211_mesh_finish_csa(sdata);
		if (err < 0)
3041 3042
			return err;
		*changed |= err;
3043 3044
		break;
#endif
3045 3046
	default:
		WARN_ON(1);
3047 3048 3049 3050 3051 3052
		return -EINVAL;
	}

	return 0;
}

3053
static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3054 3055 3056 3057 3058 3059 3060
{
	struct ieee80211_local *local = sdata->local;
	u32 changed = 0;
	int err;

	sdata_assert_lock(sdata);
	lockdep_assert_held(&local->mtx);
3061
	lockdep_assert_held(&local->chanctx_mtx);
3062

3063 3064 3065 3066 3067 3068
	/*
	 * 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
	 */
3069

3070 3071 3072 3073 3074 3075 3076 3077 3078
	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;

3079
		return ieee80211_vif_use_reserved_context(sdata);
3080
	}
3081

3082 3083 3084 3085
	if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
					&sdata->csa_chandef))
		return -EINVAL;

3086 3087 3088 3089
	sdata->vif.csa_active = false;

	err = ieee80211_set_after_csa_beacon(sdata, &changed);
	if (err)
3090
		return err;
3091

3092
	ieee80211_bss_info_change_notify(sdata, changed);
3093

3094 3095 3096 3097 3098
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}
3099

3100 3101 3102 3103 3104 3105
	err = drv_post_channel_switch(sdata);
	if (err)
		return err;

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

3106 3107 3108 3109 3110 3111 3112 3113 3114 3115
	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);
	}
3116 3117 3118 3119 3120 3121 3122
}

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);
3123
	struct ieee80211_local *local = sdata->local;
3124 3125

	sdata_lock(sdata);
3126
	mutex_lock(&local->mtx);
3127
	mutex_lock(&local->chanctx_mtx);
3128

3129 3130 3131 3132 3133 3134 3135 3136
	/* 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);
3137 3138

unlock:
3139
	mutex_unlock(&local->chanctx_mtx);
3140
	mutex_unlock(&local->mtx);
3141
	sdata_unlock(sdata);
3142 3143
}

3144 3145 3146
static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
				    struct cfg80211_csa_settings *params,
				    u32 *changed)
3147
{
3148
	struct ieee80211_csa_settings csa = {};
3149
	int err;
3150 3151 3152

	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
3153 3154 3155 3156 3157
		sdata->u.ap.next_beacon =
			cfg80211_beacon_dup(&params->beacon_after);
		if (!sdata->u.ap.next_beacon)
			return -ENOMEM;

3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176
		/*
		 * 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;

3177 3178 3179 3180 3181
		if ((params->n_counter_offsets_beacon >
		     IEEE80211_MAX_CSA_COUNTERS_NUM) ||
		    (params->n_counter_offsets_presp >
		     IEEE80211_MAX_CSA_COUNTERS_NUM))
			return -EINVAL;
3182

3183 3184 3185 3186 3187
		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;
3188

3189
		err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3190 3191 3192 3193
		if (err < 0) {
			kfree(sdata->u.ap.next_beacon);
			return err;
		}
3194
		*changed |= err;
3195

3196 3197 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
		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;

3223 3224 3225 3226 3227
		/* see comments in the NL80211_IFTYPE_AP block */
		if (params->count > 1) {
			err = ieee80211_ibss_csa_beacon(sdata, params);
			if (err < 0)
				return err;
3228
			*changed |= err;
3229 3230 3231 3232
		}

		ieee80211_send_action_csa(sdata, params);

3233
		break;
3234
#ifdef CONFIG_MAC80211_MESH
3235 3236
	case NL80211_IFTYPE_MESH_POINT: {
		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3237 3238 3239 3240 3241 3242 3243 3244 3245

		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;

3246
		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3247
			ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3248 3249 3250 3251 3252
			if (!ifmsh->pre_value)
				ifmsh->pre_value = 1;
			else
				ifmsh->pre_value++;
		}
3253

3254 3255 3256 3257 3258 3259 3260
		/* 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;
			}
3261
			*changed |= err;
3262
		}
3263 3264 3265 3266

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

3267
		break;
3268
		}
3269
#endif
3270 3271 3272 3273
	default:
		return -EOPNOTSUPP;
	}

3274 3275 3276
	return 0;
}

3277 3278 3279
static int
__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_csa_settings *params)
3280 3281 3282
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
3283
	struct ieee80211_channel_switch ch_switch;
3284
	struct ieee80211_chanctx_conf *conf;
3285
	struct ieee80211_chanctx *chanctx;
3286 3287
	u32 changed = 0;
	int err;
3288 3289

	sdata_assert_lock(sdata);
3290
	lockdep_assert_held(&local->mtx);
3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301

	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;

3302 3303 3304 3305
	/* don't allow another channel switch if one is already active. */
	if (sdata->vif.csa_active)
		return -EBUSY;

3306 3307 3308 3309
	mutex_lock(&local->chanctx_mtx);
	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
					 lockdep_is_held(&local->chanctx_mtx));
	if (!conf) {
3310 3311
		err = -EBUSY;
		goto out;
3312 3313
	}

3314 3315 3316 3317 3318 3319
	if (params->chandef.chan->freq_offset) {
		/* this may work, but is untested */
		err = -EOPNOTSUPP;
		goto out;
	}

3320
	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3321

3322 3323 3324 3325 3326 3327
	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;

3328 3329 3330 3331
	err = drv_pre_channel_switch(sdata, &ch_switch);
	if (err)
		goto out;

3332 3333 3334 3335 3336
	err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
					    chanctx->mode,
					    params->radar_required);
	if (err)
		goto out;
3337

3338 3339 3340 3341 3342 3343
	/* 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;
	}
3344 3345

	err = ieee80211_set_csa_beacon(sdata, params, &changed);
3346 3347 3348 3349
	if (err) {
		ieee80211_vif_unreserve_chanctx(sdata);
		goto out;
	}
3350

3351
	sdata->csa_chandef = params->chandef;
3352
	sdata->csa_block_tx = params->block_tx;
3353 3354
	sdata->vif.csa_active = true;

3355
	if (sdata->csa_block_tx)
3356 3357
		ieee80211_stop_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
3358

3359 3360 3361
	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
					  params->count);

3362 3363 3364 3365 3366 3367 3368
	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);
	}
3369

3370 3371 3372
out:
	mutex_unlock(&local->chanctx_mtx);
	return err;
3373 3374
}

3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388
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;
}

3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401
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;
}

3402 3403
int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
			     u64 *cookie, gfp_t gfp)
3404 3405 3406 3407 3408 3409 3410
{
	unsigned long spin_flags;
	struct sk_buff *ack_skb;
	int id;

	ack_skb = skb_copy(skb, gfp);
	if (!ack_skb)
3411
		return -ENOMEM;
3412 3413 3414

	spin_lock_irqsave(&local->ack_status_lock, spin_flags);
	id = idr_alloc(&local->ack_status_frames, ack_skb,
3415
		       1, 0x2000, GFP_ATOMIC);
3416 3417 3418 3419
	spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);

	if (id < 0) {
		kfree_skb(ack_skb);
3420
		return -ENOMEM;
3421 3422 3423 3424 3425 3426 3427
	}

	IEEE80211_SKB_CB(skb)->ack_frame_id = id;

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

3428
	return 0;
3429 3430
}

3431 3432
static void
ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3433
					  struct wireless_dev *wdev,
3434
					  struct mgmt_frame_regs *upd)
3435 3436
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
3437
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3438
	u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3439
	u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3440
	bool global_change, intf_change;
3441

3442
	global_change =
3443 3444 3445
		(local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
		(local->rx_mcast_action_reg !=
		 !!(upd->global_mcast_stypes & action_mask));
3446
	local->probe_req_reg = upd->global_stypes & preq_mask;
3447
	local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3448

3449 3450 3451 3452
	intf_change = (sdata->vif.probe_req_reg !=
		       !!(upd->interface_stypes & preq_mask)) ||
		(sdata->vif.rx_mcast_action_reg !=
		 !!(upd->interface_mcast_stypes & action_mask));
3453
	sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3454 3455
	sdata->vif.rx_mcast_action_reg =
		upd->interface_mcast_stypes & action_mask;
3456

3457 3458
	if (!local->open_count)
		return;
3459

3460 3461 3462 3463 3464
	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);
3465

3466
	if (global_change)
3467
		ieee80211_configure_filter(local);
3468 3469
}

3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486
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);
}

3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501
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
3502 3503 3504 3505 3506 3507
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;
3508
	struct sk_buff *skb;
J
Johannes Berg 已提交
3509 3510 3511 3512 3513
	int size = sizeof(*nullfunc);
	__le16 fc;
	bool qos;
	struct ieee80211_tx_info *info;
	struct sta_info *sta;
J
Johannes Berg 已提交
3514
	struct ieee80211_chanctx_conf *chanctx_conf;
3515
	enum nl80211_band band;
3516 3517 3518 3519
	int ret;

	/* the lock is needed to assign the cookie later */
	mutex_lock(&local->mtx);
J
Johannes Berg 已提交
3520 3521

	rcu_read_lock();
J
Johannes Berg 已提交
3522 3523
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (WARN_ON(!chanctx_conf)) {
3524 3525
		ret = -EINVAL;
		goto unlock;
J
Johannes Berg 已提交
3526
	}
3527
	band = chanctx_conf->def.chan->band;
3528
	sta = sta_info_get_bss(sdata, peer);
3529
	if (sta) {
3530
		qos = sta->sta.wme;
3531
	} else {
3532 3533
		ret = -ENOLINK;
		goto unlock;
3534
	}
J
Johannes Berg 已提交
3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547

	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
3548
	if (!skb) {
3549 3550
		ret = -ENOMEM;
		goto unlock;
J
Johannes Berg 已提交
3551
	}
J
Johannes Berg 已提交
3552 3553 3554 3555 3556

	skb->dev = dev;

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

3557
	nullfunc = skb_put(skb, size);
J
Johannes Berg 已提交
3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568
	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;
3569
	info->band = band;
J
Johannes Berg 已提交
3570 3571 3572 3573 3574 3575

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

3576 3577
	ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
	if (ret) {
3578 3579 3580 3581
		kfree_skb(skb);
		goto unlock;
	}

J
Johannes Berg 已提交
3582
	local_bh_disable();
3583
	ieee80211_xmit(sdata, sta, skb, 0);
J
Johannes Berg 已提交
3584
	local_bh_enable();
3585 3586 3587

	ret = 0;
unlock:
J
Johannes Berg 已提交
3588
	rcu_read_unlock();
3589
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
3590

3591
	return ret;
J
Johannes Berg 已提交
3592 3593
}

3594 3595 3596
static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     struct cfg80211_chan_def *chandef)
3597
{
J
Johannes Berg 已提交
3598
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3599
	struct ieee80211_local *local = wiphy_priv(wiphy);
J
Johannes Berg 已提交
3600
	struct ieee80211_chanctx_conf *chanctx_conf;
3601
	int ret = -ENODATA;
J
Johannes Berg 已提交
3602 3603

	rcu_read_lock();
3604 3605
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (chanctx_conf) {
3606
		*chandef = sdata->vif.bss_conf.chandef;
3607 3608 3609 3610 3611 3612 3613
		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
3614
			*chandef = local->_oper_chandef;
3615
		ret = 0;
J
Johannes Berg 已提交
3616 3617
	}
	rcu_read_unlock();
3618

3619
	return ret;
3620 3621
}

3622 3623 3624 3625 3626 3627 3628
#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
	drv_set_wakeup(wiphy_priv(wiphy), enabled);
}
#endif

3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645
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;
	}

3646
	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3647 3648 3649 3650 3651 3652 3653
	rcu_assign_pointer(sdata->qos_map, new_qos_map);
	if (old_qos_map)
		kfree_rcu(old_qos_map, rcu_head);

	return 0;
}

3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668
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;
}

3669 3670 3671 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
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();
3721
		ieee80211_flush_queues(local, sdata, false);
3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738

		/* 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;
}

3739 3740 3741 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
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);

3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795
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);

3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806
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;
}

3807 3808 3809 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
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;
}

3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910
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);
}

3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930
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);
}

3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959
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,
3960
				      const u8 *peer, u8 tids)
3961 3962 3963 3964 3965 3966 3967 3968 3969
{
	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)
3970
		return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3971 3972 3973 3974 3975 3976 3977 3978

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

3979
	ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3980 3981 3982 3983 3984
	mutex_unlock(&sdata->local->sta_mtx);

	return ret;
}

3985
const struct cfg80211_ops mac80211_config_ops = {
3986 3987
	.add_virtual_intf = ieee80211_add_iface,
	.del_virtual_intf = ieee80211_del_iface,
3988
	.change_virtual_intf = ieee80211_change_iface,
3989 3990
	.start_p2p_device = ieee80211_start_p2p_device,
	.stop_p2p_device = ieee80211_stop_p2p_device,
3991 3992
	.add_key = ieee80211_add_key,
	.del_key = ieee80211_del_key,
3993
	.get_key = ieee80211_get_key,
3994
	.set_default_key = ieee80211_config_default_key,
3995
	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3996
	.set_default_beacon_key = ieee80211_config_default_beacon_key,
3997 3998 3999
	.start_ap = ieee80211_start_ap,
	.change_beacon = ieee80211_change_beacon,
	.stop_ap = ieee80211_stop_ap,
4000 4001 4002
	.add_station = ieee80211_add_station,
	.del_station = ieee80211_del_station,
	.change_station = ieee80211_change_station,
4003
	.get_station = ieee80211_get_station,
4004
	.dump_station = ieee80211_dump_station,
4005
	.dump_survey = ieee80211_dump_survey,
4006 4007 4008 4009 4010 4011
#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,
4012 4013
	.get_mpp = ieee80211_get_mpp,
	.dump_mpp = ieee80211_dump_mpp,
4014 4015
	.update_mesh_config = ieee80211_update_mesh_config,
	.get_mesh_config = ieee80211_get_mesh_config,
4016 4017
	.join_mesh = ieee80211_join_mesh,
	.leave_mesh = ieee80211_leave_mesh,
4018
#endif
4019 4020
	.join_ocb = ieee80211_join_ocb,
	.leave_ocb = ieee80211_leave_ocb,
4021
	.change_bss = ieee80211_change_bss,
4022
	.set_txq_params = ieee80211_set_txq_params,
4023
	.set_monitor_channel = ieee80211_set_monitor_channel,
4024 4025
	.suspend = ieee80211_suspend,
	.resume = ieee80211_resume,
4026
	.scan = ieee80211_scan,
4027
	.abort_scan = ieee80211_abort_scan,
4028 4029
	.sched_scan_start = ieee80211_sched_scan_start,
	.sched_scan_stop = ieee80211_sched_scan_stop,
4030 4031 4032 4033
	.auth = ieee80211_auth,
	.assoc = ieee80211_assoc,
	.deauth = ieee80211_deauth,
	.disassoc = ieee80211_disassoc,
4034 4035
	.join_ibss = ieee80211_join_ibss,
	.leave_ibss = ieee80211_leave_ibss,
4036
	.set_mcast_rate = ieee80211_set_mcast_rate,
4037
	.set_wiphy_params = ieee80211_set_wiphy_params,
4038 4039
	.set_tx_power = ieee80211_set_tx_power,
	.get_tx_power = ieee80211_get_tx_power,
J
Johannes Berg 已提交
4040
	.set_wds_peer = ieee80211_set_wds_peer,
J
Johannes Berg 已提交
4041
	.rfkill_poll = ieee80211_rfkill_poll,
4042
	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
W
Wey-Yi Guy 已提交
4043
	CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
J
Johannes Berg 已提交
4044
	.set_power_mgmt = ieee80211_set_power_mgmt,
J
Johannes Berg 已提交
4045
	.set_bitrate_mask = ieee80211_set_bitrate_mask,
4046 4047
	.remain_on_channel = ieee80211_remain_on_channel,
	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4048
	.mgmt_tx = ieee80211_mgmt_tx,
4049
	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4050
	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4051
	.set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4052 4053
	.update_mgmt_frame_registrations =
		ieee80211_update_mgmt_frame_registrations,
4054 4055
	.set_antenna = ieee80211_set_antenna,
	.get_antenna = ieee80211_get_antenna,
4056
	.set_rekey_data = ieee80211_set_rekey_data,
4057 4058
	.tdls_oper = ieee80211_tdls_oper,
	.tdls_mgmt = ieee80211_tdls_mgmt,
4059 4060
	.tdls_channel_switch = ieee80211_tdls_channel_switch,
	.tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
J
Johannes Berg 已提交
4061
	.probe_client = ieee80211_probe_client,
4062
	.set_noack_map = ieee80211_set_noack_map,
4063 4064 4065
#ifdef CONFIG_PM
	.set_wakeup = ieee80211_set_wakeup,
#endif
4066
	.get_channel = ieee80211_cfg_get_channel,
4067
	.start_radar_detection = ieee80211_start_radar_detection,
4068
	.end_cac = ieee80211_end_cac,
4069
	.channel_switch = ieee80211_channel_switch,
4070
	.set_qos_map = ieee80211_set_qos_map,
4071
	.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4072 4073
	.add_tx_ts = ieee80211_add_tx_ts,
	.del_tx_ts = ieee80211_del_tx_ts,
4074 4075
	.start_nan = ieee80211_start_nan,
	.stop_nan = ieee80211_stop_nan,
4076
	.nan_change_conf = ieee80211_nan_change_conf,
4077 4078
	.add_nan_func = ieee80211_add_nan_func,
	.del_nan_func = ieee80211_del_nan_func,
4079
	.set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4080
	.tx_control_port = ieee80211_tx_control_port,
4081
	.get_txq_stats = ieee80211_get_txq_stats,
4082
	.get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4083 4084
	.start_pmsr = ieee80211_start_pmsr,
	.abort_pmsr = ieee80211_abort_pmsr,
4085
	.probe_mesh_link = ieee80211_probe_mesh_link,
4086 4087
	.set_tid_config = ieee80211_set_tid_config,
	.reset_tid_config = ieee80211_reset_tid_config,
4088
};