cfg.c 36.7 KB
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/*
 * mac80211 configuration hooks for cfg80211
 *
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 * Copyright 2006, 2007	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 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_type_check(type))
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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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}

static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
{
	struct net_device *dev;
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	struct ieee80211_sub_if_data *sdata;
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	/* we're under RTNL */
	dev = __dev_get_by_index(&init_net, ifindex);
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	if (!dev)
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		return -ENODEV;
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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	ieee80211_if_remove(sdata);
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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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{
	struct ieee80211_sub_if_data *sdata;
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	int ret;
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	if (!nl80211_type_check(type))
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		return -EINVAL;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	ret = ieee80211_if_change_type(sdata, type);
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	if (ret)
		return ret;
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	if (netif_running(sdata->dev))
		return -EBUSY;

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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;

	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) {
		sta = sta_info_get(sdata->local, 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(sdata->local, mac_addr);
		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) {
		sta = sta_info_get(sdata->local, mac_addr);
		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->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) {
		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)
{
	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
	struct sta_info *sta;
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	int ret = -ENOENT;

	rcu_read_lock();
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	sta = sta_info_get_by_idx(local, idx, dev);
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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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	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)
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{
	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
	struct sta_info *sta;
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	int ret = -ENOENT;
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	rcu_read_lock();
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	/* XXX: verify sta->dev == dev */

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	sta = sta_info_get(local, mac);
	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);

	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;
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	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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	if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
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		sta->flags &= ~WLAN_STA_AUTHORIZED;
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		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
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			sta->flags |= WLAN_STA_AUTHORIZED;
640
	}
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642
	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
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		sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
644
		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
645
			sta->flags |= WLAN_STA_SHORT_PREAMBLE;
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	}
647

648
	if (mask & BIT(NL80211_STA_FLAG_WME)) {
649
		sta->flags &= ~WLAN_STA_WME;
650
		if (set & BIT(NL80211_STA_FLAG_WME))
651
			sta->flags |= WLAN_STA_WME;
652
	}
653

654
	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
655
		sta->flags &= ~WLAN_STA_MFP;
656
		if (set & BIT(NL80211_STA_FLAG_MFP))
657
			sta->flags |= WLAN_STA_MFP;
658
	}
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	spin_unlock_bh(&sta->lock);
660

661 662 663 664 665 666 667
	/*
	 * 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.
	 */

675 676 677 678 679
	if (params->listen_interval >= 0)
		sta->listen_interval = params->listen_interval;

	if (params->supported_rates) {
		rates = 0;
680

681 682
		for (i = 0; i < params->supported_rates_len; i++) {
			int rate = (params->supported_rates[i] & 0x7f) * 5;
683 684
			for (j = 0; j < sband->n_bitrates; j++) {
				if (sband->bitrates[j].bitrate == rate)
685 686 687
					rates |= BIT(j);
			}
		}
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		sta->sta.supp_rates[local->oper_channel->band] = rates;
689
	}
690

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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);
695

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	if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
697 698 699 700 701 702 703 704
		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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	}
706 707 708 709 710
}

static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
				 u8 *mac, struct station_parameters *params)
{
711
	struct ieee80211_local *local = wiphy_priv(wiphy);
712 713
	struct sta_info *sta;
	struct ieee80211_sub_if_data *sdata;
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	int err;
715
	int layer2_update;
716 717 718 719

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

720 721
		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    sdata->vif.type != NL80211_IFTYPE_AP)
722 723 724 725
			return -EINVAL;
	} else
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

726 727 728 729 730 731 732
	if (compare_ether_addr(mac, dev->dev_addr) == 0)
		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;
735 736 737 738 739

	sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;

	sta_apply_parameters(local, sta, params);

740
	rate_control_rate_init(sta);
741

742 743 744
	layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
		sdata->vif.type == NL80211_IFTYPE_AP;

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	rcu_read_lock();

	err = sta_info_insert(sta);
	if (err) {
749
		/* STA has been freed */
750 751 752 753 754 755
		if (err == -EEXIST && layer2_update) {
			/* Need to update layer 2 devices on reassociation */
			sta = sta_info_get(local, mac);
			if (sta)
				ieee80211_send_layer2_update(sta);
		}
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		rcu_read_unlock();
		return err;
	}

760
	if (layer2_update)
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		ieee80211_send_layer2_update(sta);

	rcu_read_unlock();

765 766 767 768 769 770
	return 0;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
				 u8 *mac)
{
771 772
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata;
773 774
	struct sta_info *sta;

775 776
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

777
	if (mac) {
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		rcu_read_lock();

780 781
		/* XXX: get sta belonging to dev */
		sta = sta_info_get(local, mac);
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		if (!sta) {
			rcu_read_unlock();
784
			return -ENOENT;
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		}
786

787
		sta_info_unlink(&sta);
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		rcu_read_unlock();

790
		sta_info_destroy(sta);
791
	} else
792
		sta_info_flush(local, sdata);
793 794 795 796 797 798 799 800 801

	return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
				    struct net_device *dev,
				    u8 *mac,
				    struct station_parameters *params)
{
802
	struct ieee80211_local *local = wiphy_priv(wiphy);
803 804 805
	struct sta_info *sta;
	struct ieee80211_sub_if_data *vlansdata;

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	rcu_read_lock();

808 809
	/* XXX: get sta belonging to dev */
	sta = sta_info_get(local, mac);
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	if (!sta) {
		rcu_read_unlock();
812
		return -ENOENT;
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	}
814

815
	if (params->vlan && params->vlan != sta->sdata->dev) {
816 817
		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

818 819
		if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    vlansdata->vif.type != NL80211_IFTYPE_AP) {
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			rcu_read_unlock();
821
			return -EINVAL;
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		}
823

824
		sta->sdata = vlansdata;
825 826 827 828 829
		ieee80211_send_layer2_update(sta);
	}

	sta_apply_parameters(local, sta, params);

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	rcu_read_unlock();

832 833 834
	return 0;
}

835 836 837 838
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
				 u8 *dst, u8 *next_hop)
{
839 840
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata;
841 842 843 844
	struct mesh_path *mpath;
	struct sta_info *sta;
	int err;

845 846
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

847
	rcu_read_lock();
848
	sta = sta_info_get(local, next_hop);
849 850
	if (!sta) {
		rcu_read_unlock();
851
		return -ENOENT;
852
	}
853

854
	err = mesh_path_add(dst, sdata);
855 856
	if (err) {
		rcu_read_unlock();
857
		return err;
858
	}
859

860
	mpath = mesh_path_lookup(dst, sdata);
861 862 863 864 865
	if (!mpath) {
		rcu_read_unlock();
		return -ENXIO;
	}
	mesh_path_fix_nexthop(mpath, sta);
866

867 868 869 870 871 872 873
	rcu_read_unlock();
	return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
				 u8 *dst)
{
874 875
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

876
	if (dst)
877
		return mesh_path_del(dst, sdata);
878

879
	mesh_path_flush(sdata);
880 881 882 883 884 885 886
	return 0;
}

static int ieee80211_change_mpath(struct wiphy *wiphy,
				    struct net_device *dev,
				    u8 *dst, u8 *next_hop)
{
887 888
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata;
889 890 891
	struct mesh_path *mpath;
	struct sta_info *sta;

892 893
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

894 895
	rcu_read_lock();

896
	sta = sta_info_get(local, next_hop);
897 898
	if (!sta) {
		rcu_read_unlock();
899
		return -ENOENT;
900
	}
901

902
	mpath = mesh_path_lookup(dst, sdata);
903 904 905 906 907 908
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}

	mesh_path_fix_nexthop(mpath, sta);
909

910 911 912 913 914 915 916 917
	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)
918
		memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956
	else
		memset(next_hop, 0, ETH_ALEN);

	pinfo->filled = MPATH_INFO_FRAME_QLEN |
			MPATH_INFO_DSN |
			MPATH_INFO_METRIC |
			MPATH_INFO_EXPTIME |
			MPATH_INFO_DISCOVERY_TIMEOUT |
			MPATH_INFO_DISCOVERY_RETRIES |
			MPATH_INFO_FLAGS;

	pinfo->frame_qlen = mpath->frame_queue.qlen;
	pinfo->dsn = mpath->dsn;
	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;
	if (mpath->flags & MESH_PATH_DSN_VALID)
		pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
	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)

{
957
	struct ieee80211_sub_if_data *sdata;
958 959
	struct mesh_path *mpath;

960 961
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

962
	rcu_read_lock();
963
	mpath = mesh_path_lookup(dst, sdata);
964 965 966 967 968 969 970 971 972 973 974 975 976 977
	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)
{
978
	struct ieee80211_sub_if_data *sdata;
979 980
	struct mesh_path *mpath;

981 982
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

983
	rcu_read_lock();
984
	mpath = mesh_path_lookup_by_idx(idx, sdata);
985 986 987 988 989 990 991 992 993
	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;
}
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 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 1048 1049 1050 1051 1052 1053 1054

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;
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	/* 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;
	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 1075
			params->use_short_preamble;
		changed |= BSS_CHANGED_ERP_PREAMBLE;
	}
	if (params->use_short_slot_time >= 0) {
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		sdata->vif.bss_conf.use_short_slot =
1077 1078 1079 1080
			params->use_short_slot_time;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
	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;
	}

1099 1100 1101 1102 1103
	ieee80211_bss_info_change_notify(sdata, changed);

	return 0;
}

1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117
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;
1118
	if (drv_conf_tx(local, params->queue, &p)) {
1119
		printk(KERN_DEBUG "%s: failed to set TX queue "
1120 1121
		       "parameters for queue %d\n",
		       wiphy_name(local->hw.wiphy), params->queue);
1122 1123 1124 1125 1126 1127
		return -EINVAL;
	}

	return 0;
}

1128 1129
static int ieee80211_set_channel(struct wiphy *wiphy,
				 struct ieee80211_channel *chan,
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				 enum nl80211_channel_type channel_type)
1131 1132 1133 1134
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	local->oper_channel = chan;
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	local->oper_channel_type = channel_type;
1136 1137 1138 1139

	return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
}

1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
#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

1155 1156 1157 1158 1159 1160 1161 1162 1163 1164
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 &&
1165 1166
	    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
	    (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1167 1168 1169 1170 1171
		return -EOPNOTSUPP;

	return ieee80211_request_scan(sdata, req);
}

1172 1173 1174 1175
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
			  struct cfg80211_auth_request *req)
{
	struct ieee80211_sub_if_data *sdata;
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	const u8 *ssid;
1177 1178 1179 1180 1181

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	switch (req->auth_type) {
	case NL80211_AUTHTYPE_OPEN_SYSTEM:
1182
		sdata->u.mgd.auth_alg = WLAN_AUTH_OPEN;
1183 1184
		break;
	case NL80211_AUTHTYPE_SHARED_KEY:
1185
		sdata->u.mgd.auth_alg = WLAN_AUTH_SHARED_KEY;
1186 1187
		break;
	case NL80211_AUTHTYPE_FT:
1188
		sdata->u.mgd.auth_alg = WLAN_AUTH_FT;
1189 1190
		break;
	case NL80211_AUTHTYPE_NETWORK_EAP:
1191
		sdata->u.mgd.auth_alg = WLAN_AUTH_LEAP;
1192 1193 1194 1195 1196
		break;
	default:
		return -EOPNOTSUPP;
	}

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	memcpy(sdata->u.mgd.bssid, req->bss->bssid, ETH_ALEN);
1198

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	sdata->local->oper_channel = req->bss->channel;
1200
	ieee80211_hw_config(sdata->local, 0);
1201

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	ssid = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
	if (!ssid)
1204
		return -EINVAL;
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	sdata->u.mgd.ssid_len = *(ssid + 1);
	memcpy(sdata->u.mgd.ssid, ssid + 2, sdata->u.mgd.ssid_len);
1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227

	kfree(sdata->u.mgd.sme_auth_ie);
	sdata->u.mgd.sme_auth_ie = NULL;
	sdata->u.mgd.sme_auth_ie_len = 0;
	if (req->ie) {
		sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
		if (sdata->u.mgd.sme_auth_ie == NULL)
			return -ENOMEM;
		memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
		sdata->u.mgd.sme_auth_ie_len = req->ie_len;
	}

	sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
	ieee80211_sta_req_auth(sdata);
	return 0;
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_assoc_request *req)
{
	struct ieee80211_sub_if_data *sdata;
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	int ret, i;
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	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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	if (memcmp(sdata->u.mgd.bssid, req->bss->bssid, ETH_ALEN) != 0 ||
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	    !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
		return -ENOLINK; /* not authenticated */

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	sdata->u.mgd.flags &= ~IEEE80211_STA_DISABLE_11N;
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	for (i = 0; i < req->crypto.n_ciphers_pairwise; i++)
		if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
		    req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
		    req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104)
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			sdata->u.mgd.flags |= IEEE80211_STA_DISABLE_11N;
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	sdata->local->oper_channel = req->bss->channel;
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	ieee80211_hw_config(sdata->local, 0);
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	ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
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	if (ret && ret != -EALREADY)
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		return ret;

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	if (req->use_mfp) {
		sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
		sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
	} else {
		sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
		sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
	}

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	if (req->crypto.control_port)
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		sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
	else
		sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;

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	sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
	ieee80211_sta_req_auth(sdata);
	return 0;
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
			    struct cfg80211_deauth_request *req)
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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	/* TODO: req->ie, req->peer_addr */
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	return ieee80211_sta_deauthenticate(sdata, req->reason_code);
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
			      struct cfg80211_disassoc_request *req)
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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	/* TODO: req->ie, req->peer_addr */
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	return ieee80211_sta_disassociate(sdata, req->reason_code);
}

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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);
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	int err;
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	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
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		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
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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
int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
{
	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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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;

	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;

	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);
	int i, err = -EINVAL;
	u32 target_rate;
	struct ieee80211_supported_band *sband;

	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];

	/* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
	 * target_rate = X, rate->fixed = 1 means only rate X
	 * target_rate = X, rate->fixed = 0 means all rates <= X */
	sdata->max_ratectrl_rateidx = -1;
	sdata->force_unicast_rateidx = -1;

	if (mask->fixed)
		target_rate = mask->fixed / 100;
	else if (mask->maxrate)
		target_rate = mask->maxrate / 100;
	else
		return 0;

	for (i=0; i< sband->n_bitrates; i++) {
		struct ieee80211_rate *brate = &sband->bitrates[i];
		int this_rate = brate->bitrate;

		if (target_rate == this_rate) {
			sdata->max_ratectrl_rateidx = i;
			if (mask->fixed)
				sdata->force_unicast_rateidx = i;
			err = 0;
			break;
		}
	}

	return err;
}

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struct cfg80211_ops mac80211_config_ops = {
	.add_virtual_intf = ieee80211_add_iface,
	.del_virtual_intf = ieee80211_del_iface,
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	.change_virtual_intf = ieee80211_change_iface,
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	.add_key = ieee80211_add_key,
	.del_key = ieee80211_del_key,
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	.get_key = ieee80211_get_key,
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	.set_default_key = ieee80211_config_default_key,
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	.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,
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	.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,
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#endif
1487
	.change_bss = ieee80211_change_bss,
1488
	.set_txq_params = ieee80211_set_txq_params,
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	.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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};