cfg.c 36.9 KB
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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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 *
 * This file is GPLv2 as found in COPYING.
 */

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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 <net/net_namespace.h>
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#include <linux/rcupdate.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 "cfg.h"
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#include "rate.h"
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#include "mesh.h"

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static bool nl80211_type_check(enum nl80211_iftype type)
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{
	switch (type) {
	case NL80211_IFTYPE_ADHOC:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_MONITOR:
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#ifdef CONFIG_MAC80211_MESH
	case NL80211_IFTYPE_MESH_POINT:
#endif
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	case NL80211_IFTYPE_AP:
	case NL80211_IFTYPE_AP_VLAN:
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	case NL80211_IFTYPE_WDS:
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		return true;
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	default:
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		return false;
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	}
}

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static bool nl80211_params_check(enum nl80211_iftype type,
				 struct vif_params *params)
{
	if (!nl80211_type_check(type))
		return false;

	return true;
}

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static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
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			       enum nl80211_iftype type, u32 *flags,
			       struct vif_params *params)
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{
	struct ieee80211_local *local = wiphy_priv(wiphy);
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	struct net_device *dev;
	struct ieee80211_sub_if_data *sdata;
	int err;
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	if (!nl80211_params_check(type, params))
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		return -EINVAL;

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	err = ieee80211_if_add(local, name, &dev, type, params);
	if (err || type != NL80211_IFTYPE_MONITOR || !flags)
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		return err;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	sdata->u.mntr_flags = *flags;
	return 0;
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}

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static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
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{
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	ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
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	return 0;
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}

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static int ieee80211_change_iface(struct wiphy *wiphy,
				  struct net_device *dev,
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				  enum nl80211_iftype type, u32 *flags,
				  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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84
	if (ieee80211_sdata_running(sdata))
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		return -EBUSY;

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	if (!nl80211_params_check(type, params))
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		return -EINVAL;

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	ret = ieee80211_if_change_type(sdata, type);
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	if (ret)
		return ret;
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	if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
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		ieee80211_sdata_set_mesh_id(sdata,
					    params->mesh_id_len,
					    params->mesh_id);
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	if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
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		return 0;

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	if (type == NL80211_IFTYPE_AP_VLAN &&
	    params && params->use_4addr == 0)
		rcu_assign_pointer(sdata->u.vlan.sta, NULL);
	else if (type == NL80211_IFTYPE_STATION &&
		 params && params->use_4addr >= 0)
		sdata->u.mgd.use_4addr = params->use_4addr;

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	sdata->u.mntr_flags = *flags;
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	return 0;
}

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static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
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			     u8 key_idx, const u8 *mac_addr,
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			     struct key_params *params)
{
	struct ieee80211_sub_if_data *sdata;
	struct sta_info *sta = NULL;
	enum ieee80211_key_alg alg;
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	struct ieee80211_key *key;
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	int err;
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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	switch (params->cipher) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_WEP104:
		alg = ALG_WEP;
		break;
	case WLAN_CIPHER_SUITE_TKIP:
		alg = ALG_TKIP;
		break;
	case WLAN_CIPHER_SUITE_CCMP:
		alg = ALG_CCMP;
		break;
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	case WLAN_CIPHER_SUITE_AES_CMAC:
		alg = ALG_AES_CMAC;
		break;
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	default:
		return -EINVAL;
	}

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	key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
				  params->seq_len, params->seq);
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	if (!key)
		return -ENOMEM;

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	rcu_read_lock();

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	if (mac_addr) {
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		sta = sta_info_get_bss(sdata, mac_addr);
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		if (!sta) {
			ieee80211_key_free(key);
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			err = -ENOENT;
			goto out_unlock;
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		}
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	}

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	ieee80211_key_link(key, sdata, sta);

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	err = 0;
 out_unlock:
	rcu_read_unlock();

	return err;
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}

static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
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			     u8 key_idx, const u8 *mac_addr)
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{
	struct ieee80211_sub_if_data *sdata;
	struct sta_info *sta;
	int ret;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	rcu_read_lock();

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	if (mac_addr) {
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		ret = -ENOENT;

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		sta = sta_info_get_bss(sdata, mac_addr);
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		if (!sta)
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			goto out_unlock;
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		if (sta->key) {
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			ieee80211_key_free(sta->key);
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			WARN_ON(sta->key);
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			ret = 0;
		}
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		goto out_unlock;
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	}

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	if (!sdata->keys[key_idx]) {
		ret = -ENOENT;
		goto out_unlock;
	}
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	ieee80211_key_free(sdata->keys[key_idx]);
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	WARN_ON(sdata->keys[key_idx]);
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	ret = 0;
 out_unlock:
	rcu_read_unlock();

	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, 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;
	struct ieee80211_key *key;
	u32 iv32;
	u16 iv16;
	int err = -ENOENT;

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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	rcu_read_lock();

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

		key = sta->key;
	} else
		key = sdata->keys[key_idx];

	if (!key)
		goto out;

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

	switch (key->conf.alg) {
	case ALG_TKIP:
		params.cipher = WLAN_CIPHER_SUITE_TKIP;

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		iv32 = key->u.tkip.tx.iv32;
		iv16 = key->u.tkip.tx.iv16;
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		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
			drv_get_tkip_seq(sdata->local,
					 key->conf.hw_key_idx,
					 &iv32, &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;
	case ALG_CCMP:
		params.cipher = WLAN_CIPHER_SUITE_CCMP;
		seq[0] = key->u.ccmp.tx_pn[5];
		seq[1] = key->u.ccmp.tx_pn[4];
		seq[2] = key->u.ccmp.tx_pn[3];
		seq[3] = key->u.ccmp.tx_pn[2];
		seq[4] = key->u.ccmp.tx_pn[1];
		seq[5] = key->u.ccmp.tx_pn[0];
		params.seq = seq;
		params.seq_len = 6;
		break;
	case ALG_WEP:
		if (key->conf.keylen == 5)
			params.cipher = WLAN_CIPHER_SUITE_WEP40;
		else
			params.cipher = WLAN_CIPHER_SUITE_WEP104;
		break;
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	case ALG_AES_CMAC:
		params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
		seq[0] = key->u.aes_cmac.tx_pn[5];
		seq[1] = key->u.aes_cmac.tx_pn[4];
		seq[2] = key->u.aes_cmac.tx_pn[3];
		seq[3] = key->u.aes_cmac.tx_pn[2];
		seq[4] = key->u.aes_cmac.tx_pn[1];
		seq[5] = key->u.aes_cmac.tx_pn[0];
		params.seq = seq;
		params.seq_len = 6;
		break;
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	}

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

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

 out:
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	rcu_read_unlock();
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	return err;
}

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static int ieee80211_config_default_key(struct wiphy *wiphy,
					struct net_device *dev,
					u8 key_idx)
{
	struct ieee80211_sub_if_data *sdata;

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	rcu_read_lock();

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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	ieee80211_set_default_key(sdata, key_idx);

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	rcu_read_unlock();

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	return 0;
}

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static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
					     struct net_device *dev,
					     u8 key_idx)
{
	struct ieee80211_sub_if_data *sdata;

	rcu_read_lock();

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	ieee80211_set_default_mgmt_key(sdata, key_idx);

	rcu_read_unlock();

	return 0;
}

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static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
{
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	struct ieee80211_sub_if_data *sdata = sta->sdata;
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	sinfo->generation = sdata->local->sta_generation;

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	sinfo->filled = STATION_INFO_INACTIVE_TIME |
			STATION_INFO_RX_BYTES |
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			STATION_INFO_TX_BYTES |
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			STATION_INFO_RX_PACKETS |
			STATION_INFO_TX_PACKETS |
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			STATION_INFO_TX_BITRATE;
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	sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
	sinfo->rx_bytes = sta->rx_bytes;
	sinfo->tx_bytes = sta->tx_bytes;
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	sinfo->rx_packets = sta->rx_packets;
	sinfo->tx_packets = sta->tx_packets;
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	if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
	    (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
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		sinfo->filled |= STATION_INFO_SIGNAL;
		sinfo->signal = (s8)sta->last_signal;
	}

	sinfo->txrate.flags = 0;
	if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
		sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
	if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
		sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
	if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
		sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;

	if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
		struct ieee80211_supported_band *sband;
		sband = sta->local->hw.wiphy->bands[
				sta->local->hw.conf.channel->band];
		sinfo->txrate.legacy =
			sband->bitrates[sta->last_tx_rate.idx].bitrate;
	} else
		sinfo->txrate.mcs = sta->last_tx_rate.idx;

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	if (ieee80211_vif_is_mesh(&sdata->vif)) {
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#ifdef CONFIG_MAC80211_MESH
		sinfo->filled |= STATION_INFO_LLID |
				 STATION_INFO_PLID |
				 STATION_INFO_PLINK_STATE;

		sinfo->llid = le16_to_cpu(sta->llid);
		sinfo->plid = le16_to_cpu(sta->plid);
		sinfo->plink_state = sta->plink_state;
#endif
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	}
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}


static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
				 int idx, u8 *mac, struct station_info *sinfo)
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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	struct sta_info *sta;
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	int ret = -ENOENT;

	rcu_read_lock();
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	sta = sta_info_get_by_idx(sdata, idx);
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	if (sta) {
		ret = 0;
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		memcpy(mac, sta->sta.addr, ETH_ALEN);
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		sta_set_sinfo(sta, sinfo);
	}
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408
	rcu_read_unlock();
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	return ret;
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}

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static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
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				 u8 *mac, struct station_info *sinfo)
415
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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	struct sta_info *sta;
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	int ret = -ENOENT;
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420
	rcu_read_lock();
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	sta = sta_info_get_bss(sdata, mac);
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	if (sta) {
		ret = 0;
		sta_set_sinfo(sta, sinfo);
	}

	rcu_read_unlock();

	return ret;
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}

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/*
 * This handles both adding a beacon and setting new beacon info
 */
static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
				   struct beacon_parameters *params)
{
	struct beacon_data *new, *old;
	int new_head_len, new_tail_len;
	int size;
	int err = -EINVAL;

	old = sdata->u.ap.beacon;

	/* head must not be zero-length */
	if (params->head && !params->head_len)
		return -EINVAL;

	/*
	 * This is a kludge. beacon interval should really be part
	 * of the beacon information.
	 */
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	if (params->interval &&
	    (sdata->vif.bss_conf.beacon_int != params->interval)) {
		sdata->vif.bss_conf.beacon_int = params->interval;
		ieee80211_bss_info_change_notify(sdata,
						 BSS_CHANGED_BEACON_INT);
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	}

	/* Need to have a beacon head if we don't have one yet */
	if (!params->head && !old)
		return err;

	/* sorry, no way to start beaconing without dtim period */
	if (!params->dtim_period && !old)
		return err;

	/* 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 */

	/* new or old dtim period? */
	if (params->dtim_period)
		new->dtim_period = params->dtim_period;
	else
		new->dtim_period = old->dtim_period;

	/*
	 * 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;

	/* 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);

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	sdata->vif.bss_conf.dtim_period = new->dtim_period;

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	rcu_assign_pointer(sdata->u.ap.beacon, new);

	synchronize_rcu();

	kfree(old);

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	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
						BSS_CHANGED_BEACON);
	return 0;
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}

static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
				struct beacon_parameters *params)
{
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	struct ieee80211_sub_if_data *sdata;
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	struct beacon_data *old;

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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	old = sdata->u.ap.beacon;

	if (old)
		return -EALREADY;

	return ieee80211_config_beacon(sdata, params);
}

static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
				struct beacon_parameters *params)
{
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	struct ieee80211_sub_if_data *sdata;
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	struct beacon_data *old;

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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	old = sdata->u.ap.beacon;

	if (!old)
		return -ENOENT;

	return ieee80211_config_beacon(sdata, params);
}

static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
{
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	struct ieee80211_sub_if_data *sdata;
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	struct beacon_data *old;

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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	old = sdata->u.ap.beacon;

	if (!old)
		return -ENOENT;

	rcu_assign_pointer(sdata->u.ap.beacon, NULL);
	synchronize_rcu();
	kfree(old);

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	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
	return 0;
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}

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/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
struct iapp_layer2_update {
	u8 da[ETH_ALEN];	/* broadcast */
	u8 sa[ETH_ALEN];	/* STA addr */
	__be16 len;		/* 6 */
	u8 dsap;		/* 0 */
	u8 ssap;		/* 0 */
	u8 control;
	u8 xid_info[3];
} __attribute__ ((packed));

static void ieee80211_send_layer2_update(struct sta_info *sta)
{
	struct iapp_layer2_update *msg;
	struct sk_buff *skb;

	/* Send Level 2 Update Frame to update forwarding tables in layer 2
	 * bridge devices */

	skb = dev_alloc_skb(sizeof(*msg));
	if (!skb)
		return;
	msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));

	/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
	 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */

	memset(msg->da, 0xff, ETH_ALEN);
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	memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
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	msg->len = htons(6);
	msg->dsap = 0;
	msg->ssap = 0x01;	/* NULL LSAP, CR Bit: Response */
	msg->control = 0xaf;	/* XID response lsb.1111F101.
				 * F=0 (no poll command; unsolicited frame) */
	msg->xid_info[0] = 0x81;	/* XID format identifier */
	msg->xid_info[1] = 1;	/* LLC types/classes: Type 1 LLC */
	msg->xid_info[2] = 0;	/* XID sender's receive window size (RW) */

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	skb->dev = sta->sdata->dev;
	skb->protocol = eth_type_trans(skb, sta->sdata->dev);
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	memset(skb->cb, 0, sizeof(skb->cb));
	netif_rx(skb);
}

static void sta_apply_parameters(struct ieee80211_local *local,
				 struct sta_info *sta,
				 struct station_parameters *params)
{
	u32 rates;
	int i, j;
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	struct ieee80211_supported_band *sband;
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	struct ieee80211_sub_if_data *sdata = sta->sdata;
635
	u32 mask, set;
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	sband = local->hw.wiphy->bands[local->oper_channel->band];

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	spin_lock_bh(&sta->lock);
	mask = params->sta_flags_mask;
	set = params->sta_flags_set;
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643
	if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
644
		sta->flags &= ~WLAN_STA_AUTHORIZED;
645
		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
646
			sta->flags |= WLAN_STA_AUTHORIZED;
647
	}
648

649
	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
650
		sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
651
		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
652
			sta->flags |= WLAN_STA_SHORT_PREAMBLE;
653
	}
654

655
	if (mask & BIT(NL80211_STA_FLAG_WME)) {
656
		sta->flags &= ~WLAN_STA_WME;
657
		if (set & BIT(NL80211_STA_FLAG_WME))
658
			sta->flags |= WLAN_STA_WME;
659
	}
660

661
	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
662
		sta->flags &= ~WLAN_STA_MFP;
663
		if (set & BIT(NL80211_STA_FLAG_MFP))
664
			sta->flags |= WLAN_STA_MFP;
665
	}
666
	spin_unlock_bh(&sta->lock);
667

668 669 670 671 672 673 674
	/*
	 * 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;

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	/*
	 * FIXME: updating the following information is racy when this
	 *	  function is called from ieee80211_change_station().
	 *	  However, all this information should be static so
	 *	  maybe we should just reject attemps to change it.
	 */

682 683 684 685 686
	if (params->listen_interval >= 0)
		sta->listen_interval = params->listen_interval;

	if (params->supported_rates) {
		rates = 0;
687

688 689
		for (i = 0; i < params->supported_rates_len; i++) {
			int rate = (params->supported_rates[i] & 0x7f) * 5;
690 691
			for (j = 0; j < sband->n_bitrates; j++) {
				if (sband->bitrates[j].bitrate == rate)
692 693 694
					rates |= BIT(j);
			}
		}
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		sta->sta.supp_rates[local->oper_channel->band] = rates;
696
	}
697

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	if (params->ht_capa)
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		ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
						  params->ht_capa,
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						  &sta->sta.ht_cap);
702

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	if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
704 705 706 707 708 709 710 711
		switch (params->plink_action) {
		case PLINK_ACTION_OPEN:
			mesh_plink_open(sta);
			break;
		case PLINK_ACTION_BLOCK:
			mesh_plink_block(sta);
			break;
		}
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	}
713 714 715 716 717
}

static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
				 u8 *mac, struct station_parameters *params)
{
718
	struct ieee80211_local *local = wiphy_priv(wiphy);
719 720
	struct sta_info *sta;
	struct ieee80211_sub_if_data *sdata;
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	int err;
722
	int layer2_update;
723 724 725 726

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

727 728
		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    sdata->vif.type != NL80211_IFTYPE_AP)
729 730 731 732
			return -EINVAL;
	} else
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

733
	if (compare_ether_addr(mac, sdata->vif.addr) == 0)
734 735 736 737 738 739
		return -EINVAL;

	if (is_multicast_ether_addr(mac))
		return -EINVAL;

	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
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	if (!sta)
		return -ENOMEM;
742 743 744 745 746

	sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;

	sta_apply_parameters(local, sta, params);

747
	rate_control_rate_init(sta);
748

749 750 751
	layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
		sdata->vif.type == NL80211_IFTYPE_AP;

752
	err = sta_info_insert_rcu(sta);
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	if (err) {
		rcu_read_unlock();
		return err;
	}

758
	if (layer2_update)
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		ieee80211_send_layer2_update(sta);

	rcu_read_unlock();

763 764 765 766 767 768
	return 0;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
				 u8 *mac)
{
769 770
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata;
771

772 773
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

774 775
	if (mac)
		return sta_info_destroy_addr_bss(sdata, mac);
776

777
	sta_info_flush(local, sdata);
778 779 780 781 782 783 784 785
	return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
				    struct net_device *dev,
				    u8 *mac,
				    struct station_parameters *params)
{
786
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
787
	struct ieee80211_local *local = wiphy_priv(wiphy);
788 789 790
	struct sta_info *sta;
	struct ieee80211_sub_if_data *vlansdata;

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	rcu_read_lock();

793
	sta = sta_info_get_bss(sdata, mac);
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	if (!sta) {
		rcu_read_unlock();
796
		return -ENOENT;
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	}
798

799
	if (params->vlan && params->vlan != sta->sdata->dev) {
800 801
		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

802 803
		if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    vlansdata->vif.type != NL80211_IFTYPE_AP) {
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			rcu_read_unlock();
805
			return -EINVAL;
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		}
807

808
		if (params->vlan->ieee80211_ptr->use_4addr) {
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			if (vlansdata->u.vlan.sta) {
				rcu_read_unlock();
811
				return -EBUSY;
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			}
813 814 815 816

			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
		}

817
		sta->sdata = vlansdata;
818 819 820 821 822
		ieee80211_send_layer2_update(sta);
	}

	sta_apply_parameters(local, sta, params);

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	rcu_read_unlock();

825 826 827
	return 0;
}

828 829 830 831
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
				 u8 *dst, u8 *next_hop)
{
832
	struct ieee80211_sub_if_data *sdata;
833 834 835 836
	struct mesh_path *mpath;
	struct sta_info *sta;
	int err;

837 838
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

839
	rcu_read_lock();
840
	sta = sta_info_get(sdata, next_hop);
841 842
	if (!sta) {
		rcu_read_unlock();
843
		return -ENOENT;
844
	}
845

846
	err = mesh_path_add(dst, sdata);
847 848
	if (err) {
		rcu_read_unlock();
849
		return err;
850
	}
851

852
	mpath = mesh_path_lookup(dst, sdata);
853 854 855 856 857
	if (!mpath) {
		rcu_read_unlock();
		return -ENXIO;
	}
	mesh_path_fix_nexthop(mpath, sta);
858

859 860 861 862 863 864 865
	rcu_read_unlock();
	return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
				 u8 *dst)
{
866 867
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

868
	if (dst)
869
		return mesh_path_del(dst, sdata);
870

871
	mesh_path_flush(sdata);
872 873 874 875 876 877 878
	return 0;
}

static int ieee80211_change_mpath(struct wiphy *wiphy,
				    struct net_device *dev,
				    u8 *dst, u8 *next_hop)
{
879
	struct ieee80211_sub_if_data *sdata;
880 881 882
	struct mesh_path *mpath;
	struct sta_info *sta;

883 884
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

885 886
	rcu_read_lock();

887
	sta = sta_info_get(sdata, next_hop);
888 889
	if (!sta) {
		rcu_read_unlock();
890
		return -ENOENT;
891
	}
892

893
	mpath = mesh_path_lookup(dst, sdata);
894 895 896 897 898 899
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}

	mesh_path_fix_nexthop(mpath, sta);
900

901 902 903 904 905 906 907 908
	rcu_read_unlock();
	return 0;
}

static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
			    struct mpath_info *pinfo)
{
	if (mpath->next_hop)
909
		memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
910 911 912
	else
		memset(next_hop, 0, ETH_ALEN);

913 914
	pinfo->generation = mesh_paths_generation;

915
	pinfo->filled = MPATH_INFO_FRAME_QLEN |
916
			MPATH_INFO_SN |
917 918 919 920 921 922 923
			MPATH_INFO_METRIC |
			MPATH_INFO_EXPTIME |
			MPATH_INFO_DISCOVERY_TIMEOUT |
			MPATH_INFO_DISCOVERY_RETRIES |
			MPATH_INFO_FLAGS;

	pinfo->frame_qlen = mpath->frame_queue.qlen;
924
	pinfo->sn = mpath->sn;
925 926 927 928 929 930 931 932 933 934 935
	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;
	pinfo->flags = 0;
	if (mpath->flags & MESH_PATH_ACTIVE)
		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
	if (mpath->flags & MESH_PATH_RESOLVING)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
936 937
	if (mpath->flags & MESH_PATH_SN_VALID)
		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
938 939 940 941 942 943 944 945 946 947 948 949
	if (mpath->flags & MESH_PATH_FIXED)
		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
	if (mpath->flags & MESH_PATH_RESOLVING)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;

	pinfo->flags = mpath->flags;
}

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

{
950
	struct ieee80211_sub_if_data *sdata;
951 952
	struct mesh_path *mpath;

953 954
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

955
	rcu_read_lock();
956
	mpath = mesh_path_lookup(dst, sdata);
957 958 959 960 961 962 963 964 965 966 967 968 969 970
	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,
				 int idx, u8 *dst, u8 *next_hop,
				 struct mpath_info *pinfo)
{
971
	struct ieee80211_sub_if_data *sdata;
972 973
	struct mesh_path *mpath;

974 975
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

976
	rcu_read_lock();
977
	mpath = mesh_path_lookup_by_idx(idx, sdata);
978 979 980 981 982 983 984 985 986
	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;
}
987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009

static int ieee80211_get_mesh_params(struct wiphy *wiphy,
				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;
}

static int ieee80211_set_mesh_params(struct wiphy *wiphy,
				struct net_device *dev,
				const struct mesh_config *nconf, u32 mask)
{
	struct mesh_config *conf;
	struct ieee80211_sub_if_data *sdata;
1010 1011
	struct ieee80211_if_mesh *ifmsh;

1012
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1013
	ifmsh = &sdata->u.mesh;
1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047

	/* 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;
	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
		conf->auto_open_plinks = nconf->auto_open_plinks;
	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;
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
			   mask))
		conf->dot11MeshHWMPnetDiameterTraversalTime =
			nconf->dot11MeshHWMPnetDiameterTraversalTime;
1048 1049 1050 1051
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
		ieee80211_mesh_root_setup(ifmsh);
	}
1052 1053 1054
	return 0;
}

1055 1056
#endif

1057 1058 1059 1060 1061 1062 1063 1064 1065 1066
static int ieee80211_change_bss(struct wiphy *wiphy,
				struct net_device *dev,
				struct bss_parameters *params)
{
	struct ieee80211_sub_if_data *sdata;
	u32 changed = 0;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (params->use_cts_prot >= 0) {
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		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1068 1069 1070
		changed |= BSS_CHANGED_ERP_CTS_PROT;
	}
	if (params->use_short_preamble >= 0) {
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		sdata->vif.bss_conf.use_short_preamble =
1072 1073 1074
			params->use_short_preamble;
		changed |= BSS_CHANGED_ERP_PREAMBLE;
	}
1075 1076 1077 1078 1079 1080 1081

	if (!sdata->vif.bss_conf.use_short_slot &&
	    sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
		sdata->vif.bss_conf.use_short_slot = true;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

1082
	if (params->use_short_slot_time >= 0) {
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		sdata->vif.bss_conf.use_short_slot =
1084 1085 1086 1087
			params->use_short_slot_time;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105
	if (params->basic_rates) {
		int i, j;
		u32 rates = 0;
		struct ieee80211_local *local = wiphy_priv(wiphy);
		struct ieee80211_supported_band *sband =
			wiphy->bands[local->oper_channel->band];

		for (i = 0; i < params->basic_rates_len; i++) {
			int rate = (params->basic_rates[i] & 0x7f) * 5;
			for (j = 0; j < sband->n_bitrates; j++) {
				if (sband->bitrates[j].bitrate == rate)
					rates |= BIT(j);
			}
		}
		sdata->vif.bss_conf.basic_rates = rates;
		changed |= BSS_CHANGED_BASIC_RATES;
	}

1106 1107 1108 1109 1110
	ieee80211_bss_info_change_notify(sdata, changed);

	return 0;
}

1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124
static int ieee80211_set_txq_params(struct wiphy *wiphy,
				    struct ieee80211_txq_params *params)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_tx_queue_params p;

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

	memset(&p, 0, sizeof(p));
	p.aifs = params->aifs;
	p.cw_max = params->cwmax;
	p.cw_min = params->cwmin;
	p.txop = params->txop;
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1125 1126 1127 1128 1129 1130 1131

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

1132
	if (drv_conf_tx(local, params->queue, &p)) {
1133
		printk(KERN_DEBUG "%s: failed to set TX queue "
1134 1135
		       "parameters for queue %d\n",
		       wiphy_name(local->hw.wiphy), params->queue);
1136 1137 1138 1139 1140 1141
		return -EINVAL;
	}

	return 0;
}

1142 1143
static int ieee80211_set_channel(struct wiphy *wiphy,
				 struct ieee80211_channel *chan,
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				 enum nl80211_channel_type channel_type)
1145 1146 1147 1148
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	local->oper_channel = chan;
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	local->oper_channel_type = channel_type;
1150 1151 1152 1153

	return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
}

1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168
#ifdef CONFIG_PM
static int ieee80211_suspend(struct wiphy *wiphy)
{
	return __ieee80211_suspend(wiphy_priv(wiphy));
}

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

1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
static int ieee80211_scan(struct wiphy *wiphy,
			  struct net_device *dev,
			  struct cfg80211_scan_request *req)
{
	struct ieee80211_sub_if_data *sdata;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1179 1180
	    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
	    (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1181 1182 1183 1184 1185
		return -EOPNOTSUPP;

	return ieee80211_request_scan(sdata, req);
}

1186 1187 1188
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
			  struct cfg80211_auth_request *req)
{
1189
	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1190 1191 1192 1193 1194
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_assoc_request *req)
{
1195
	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1196 1197 1198
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
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			    struct cfg80211_deauth_request *req,
			    void *cookie)
1201
{
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	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
				    req, cookie);
1204 1205 1206
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
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			      struct cfg80211_disassoc_request *req,
			      void *cookie)
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{
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	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
				      req, cookie);
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}

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static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			       struct cfg80211_ibss_params *params)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	return ieee80211_ibss_join(sdata, params);
}

static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	return ieee80211_ibss_leave(sdata);
}

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static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
1232
	int err;
1233

1234 1235 1236 1237 1238 1239 1240
	if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
		err = drv_set_coverage_class(local, wiphy->coverage_class);

		if (err)
			return err;
	}

1241
	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1242
		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1243

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		if (err)
			return err;
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	}

	if (changed & WIPHY_PARAM_RETRY_SHORT)
		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
	if (changed & WIPHY_PARAM_RETRY_LONG)
		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
	if (changed &
	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);

	return 0;
}

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static int ieee80211_set_tx_power(struct wiphy *wiphy,
				  enum tx_power_setting type, int dbm)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_channel *chan = local->hw.conf.channel;
	u32 changes = 0;

	switch (type) {
	case TX_POWER_AUTOMATIC:
		local->user_power_level = -1;
		break;
	case TX_POWER_LIMITED:
		if (dbm < 0)
			return -EINVAL;
		local->user_power_level = dbm;
		break;
	case TX_POWER_FIXED:
		if (dbm < 0)
			return -EINVAL;
		/* TODO: move to cfg80211 when it knows the channel */
		if (dbm > chan->max_power)
			return -EINVAL;
		local->user_power_level = dbm;
		break;
	}

	ieee80211_hw_config(local, changes);

	return 0;
}

static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	*dbm = local->hw.conf.power_level;

	return 0;
}

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static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
				  u8 *addr)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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

	return 0;
}

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static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	drv_rfkill_poll(local);
}

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#ifdef CONFIG_NL80211_TESTMODE
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static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
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{
	struct ieee80211_local *local = wiphy_priv(wiphy);

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

	return local->ops->testmode_cmd(&local->hw, data, len);
}
#endif

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int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
			     enum ieee80211_smps_mode smps_mode)
{
	const u8 *ap;
	enum ieee80211_smps_mode old_req;
	int err;

	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
	 * association, there's no need to send an action frame.
	 */
	if (!sdata->u.mgd.associated ||
	    sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
		mutex_lock(&sdata->local->iflist_mtx);
		ieee80211_recalc_smps(sdata->local, sdata);
		mutex_unlock(&sdata->local->iflist_mtx);
		return 0;
	}

1354
	ap = sdata->u.mgd.associated->bssid;
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	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
		if (sdata->u.mgd.powersave)
			smps_mode = IEEE80211_SMPS_DYNAMIC;
		else
			smps_mode = IEEE80211_SMPS_OFF;
	}

	/* 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;

	return err;
}

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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);
	struct ieee80211_conf *conf = &local->hw.conf;

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

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	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
		return -EOPNOTSUPP;

	if (enabled == sdata->u.mgd.powersave &&
	    timeout == conf->dynamic_ps_timeout)
		return 0;

	sdata->u.mgd.powersave = enabled;
	conf->dynamic_ps_timeout = timeout;

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	/* no change, but if automatic follow powersave */
	mutex_lock(&sdata->u.mgd.mtx);
	__ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
	mutex_unlock(&sdata->u.mgd.mtx);

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	if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);

	ieee80211_recalc_ps(local, -1);

	return 0;
}

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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);
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	int i;
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	/*
	 * This _could_ be supported by providing a hook for
	 * drivers for this function, but at this point it
	 * doesn't seem worth bothering.
	 */
	if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
		return -EOPNOTSUPP;

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1423 1424
	for (i = 0; i < IEEE80211_NUM_BANDS; i++)
		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
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	return 0;
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}

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static int ieee80211_remain_on_channel(struct wiphy *wiphy,
				       struct net_device *dev,
				       struct ieee80211_channel *chan,
				       enum nl80211_channel_type channel_type,
				       unsigned int duration,
				       u64 *cookie)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
					      duration, cookie);
}

static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
					      struct net_device *dev,
					      u64 cookie)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
}

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static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
			    struct ieee80211_channel *chan,
			    enum nl80211_channel_type channel_type,
			    const u8 *buf, size_t len, u64 *cookie)
{
	return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan,
				    channel_type, buf, len, cookie);
}

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struct cfg80211_ops mac80211_config_ops = {
	.add_virtual_intf = ieee80211_add_iface,
	.del_virtual_intf = ieee80211_del_iface,
1463
	.change_virtual_intf = ieee80211_change_iface,
1464 1465
	.add_key = ieee80211_add_key,
	.del_key = ieee80211_del_key,
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	.get_key = ieee80211_get_key,
1467
	.set_default_key = ieee80211_config_default_key,
1468
	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
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	.add_beacon = ieee80211_add_beacon,
	.set_beacon = ieee80211_set_beacon,
	.del_beacon = ieee80211_del_beacon,
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	.add_station = ieee80211_add_station,
	.del_station = ieee80211_del_station,
	.change_station = ieee80211_change_station,
1475
	.get_station = ieee80211_get_station,
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	.dump_station = ieee80211_dump_station,
#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,
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	.set_mesh_params = ieee80211_set_mesh_params,
	.get_mesh_params = ieee80211_get_mesh_params,
1485
#endif
1486
	.change_bss = ieee80211_change_bss,
1487
	.set_txq_params = ieee80211_set_txq_params,
1488
	.set_channel = ieee80211_set_channel,
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	.suspend = ieee80211_suspend,
	.resume = ieee80211_resume,
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	.scan = ieee80211_scan,
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	.auth = ieee80211_auth,
	.assoc = ieee80211_assoc,
	.deauth = ieee80211_deauth,
	.disassoc = ieee80211_disassoc,
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	.join_ibss = ieee80211_join_ibss,
	.leave_ibss = ieee80211_leave_ibss,
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	.set_wiphy_params = ieee80211_set_wiphy_params,
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	.set_tx_power = ieee80211_set_tx_power,
	.get_tx_power = ieee80211_get_tx_power,
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	.set_wds_peer = ieee80211_set_wds_peer,
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	.rfkill_poll = ieee80211_rfkill_poll,
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	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
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	.set_power_mgmt = ieee80211_set_power_mgmt,
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	.set_bitrate_mask = ieee80211_set_bitrate_mask,
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	.remain_on_channel = ieee80211_remain_on_channel,
	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1508
	.action = ieee80211_action,
1509
};