cfg.c 90.0 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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 * Copyright 2013-2015  Intel Mobile Communications GmbH
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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 <linux/slab.h>
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#include <net/net_namespace.h>
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#include <linux/rcupdate.h>
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#include <linux/if_ether.h>
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#include <net/cfg80211.h>
#include "ieee80211_i.h"
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#include "driver-ops.h"
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#include "rate.h"
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#include "mesh.h"
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#include "wme.h"
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static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
						const char *name,
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						unsigned char name_assign_type,
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						enum nl80211_iftype type,
						u32 *flags,
						struct vif_params *params)
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{
	struct ieee80211_local *local = wiphy_priv(wiphy);
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	struct wireless_dev *wdev;
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	struct ieee80211_sub_if_data *sdata;
	int err;
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36
	err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
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	if (err)
		return ERR_PTR(err);
39

40
	if (type == NL80211_IFTYPE_MONITOR && flags) {
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		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
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		sdata->u.mntr_flags = *flags;
	}

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	return wdev;
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}

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static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
49
{
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	ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
51

52
	return 0;
53 54
}

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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)
59
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
61
	int ret;
62

63
	ret = ieee80211_if_change_type(sdata, type);
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	if (ret)
		return ret;
66

67 68
	if (type == NL80211_IFTYPE_AP_VLAN &&
	    params && params->use_4addr == 0)
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		RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
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	else if (type == NL80211_IFTYPE_STATION &&
		 params && params->use_4addr >= 0)
		sdata->u.mgd.use_4addr = params->use_4addr;

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	if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
		struct ieee80211_local *local = sdata->local;

		if (ieee80211_sdata_running(sdata)) {
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			u32 mask = MONITOR_FLAG_COOK_FRAMES |
				   MONITOR_FLAG_ACTIVE;

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

			ieee80211_adjust_monitor_flags(sdata, -1);
			sdata->u.mntr_flags = *flags;
			ieee80211_adjust_monitor_flags(sdata, 1);

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

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

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

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	return ieee80211_do_open(wdev, true);
}

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

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

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

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	return 0;
}

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static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
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			     u8 key_idx, bool pairwise, const u8 *mac_addr,
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			     struct key_params *params)
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
150
	struct ieee80211_local *local = sdata->local;
151
	struct sta_info *sta = NULL;
152
	const struct ieee80211_cipher_scheme *cs = NULL;
153
	struct ieee80211_key *key;
154
	int err;
155

156
	if (!ieee80211_sdata_running(sdata))
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		return -ENETDOWN;

159
	/* reject WEP and TKIP keys if WEP failed to initialize */
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	switch (params->cipher) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_TKIP:
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	case WLAN_CIPHER_SUITE_WEP104:
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		if (IS_ERR(local->wep_tx_tfm))
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			return -EINVAL;
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		break;
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	case WLAN_CIPHER_SUITE_CCMP:
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	case WLAN_CIPHER_SUITE_CCMP_256:
169
	case WLAN_CIPHER_SUITE_AES_CMAC:
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	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
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	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
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	case WLAN_CIPHER_SUITE_GCMP:
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	case WLAN_CIPHER_SUITE_GCMP_256:
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		break;
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	default:
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		cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
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		break;
179 180
	}

181
	key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
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				  params->key, params->seq_len, params->seq,
				  cs);
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	if (IS_ERR(key))
		return PTR_ERR(key);
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	if (pairwise)
		key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;

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	mutex_lock(&local->sta_mtx);
191

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	if (mac_addr) {
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		if (ieee80211_vif_is_mesh(&sdata->vif))
			sta = sta_info_get(sdata, mac_addr);
		else
			sta = sta_info_get_bss(sdata, mac_addr);
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		/*
		 * The ASSOC test makes sure the driver is ready to
		 * receive the key. When wpa_supplicant has roamed
		 * using FT, it attempts to set the key before
		 * association has completed, this rejects that attempt
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		 * so it will set the key again after association.
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		 *
		 * TODO: accept the key if we have a station entry and
		 *       add it to the device after the station.
		 */
		if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
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			ieee80211_key_free_unused(key);
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			err = -ENOENT;
			goto out_unlock;
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		}
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	}

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

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	if (sta)
		sta->cipher_scheme = cs;

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	err = ieee80211_key_link(key, sdata, sta);
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252
 out_unlock:
253
	mutex_unlock(&local->sta_mtx);
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	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, bool pairwise, const u8 *mac_addr)
260
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
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	struct sta_info *sta;
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	struct ieee80211_key *key = NULL;
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	int ret;

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	mutex_lock(&local->sta_mtx);
	mutex_lock(&local->key_mtx);
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270
	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 (pairwise)
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			key = key_mtx_dereference(local, sta->ptk[key_idx]);
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		else
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			key = key_mtx_dereference(local, sta->gtk[key_idx]);
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	} else
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		key = key_mtx_dereference(local, sdata->keys[key_idx]);
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284
	if (!key) {
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		ret = -ENOENT;
		goto out_unlock;
	}
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289
	ieee80211_key_free(key, true);
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291 292
	ret = 0;
 out_unlock:
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	mutex_unlock(&local->key_mtx);
	mutex_unlock(&local->sta_mtx);
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	return ret;
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}

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static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
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			     u8 key_idx, bool pairwise, const u8 *mac_addr,
			     void *cookie,
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			     void (*callback)(void *cookie,
					      struct key_params *params))
{
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	struct ieee80211_sub_if_data *sdata;
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	struct sta_info *sta = NULL;
	u8 seq[6] = {0};
	struct key_params params;
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	struct ieee80211_key *key = NULL;
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	u64 pn64;
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	u32 iv32;
	u16 iv16;
	int err = -ENOENT;
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	struct ieee80211_key_seq kseq = {};
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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;

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		if (pairwise && key_idx < NUM_DEFAULT_KEYS)
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			key = rcu_dereference(sta->ptk[key_idx]);
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		else if (!pairwise &&
			 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
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			key = rcu_dereference(sta->gtk[key_idx]);
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	} else
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		key = rcu_dereference(sdata->keys[key_idx]);
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	if (!key)
		goto out;

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

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	params.cipher = key->conf.cipher;
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	switch (key->conf.cipher) {
	case WLAN_CIPHER_SUITE_TKIP:
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		iv32 = key->u.tkip.tx.iv32;
		iv16 = key->u.tkip.tx.iv16;
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		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
		    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
			drv_get_key_seq(sdata->local, key, &kseq);
			iv32 = kseq.tkip.iv32;
			iv16 = kseq.tkip.iv16;
		}
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		seq[0] = iv16 & 0xff;
		seq[1] = (iv16 >> 8) & 0xff;
		seq[2] = iv32 & 0xff;
		seq[3] = (iv32 >> 8) & 0xff;
		seq[4] = (iv32 >> 16) & 0xff;
		seq[5] = (iv32 >> 24) & 0xff;
		params.seq = seq;
		params.seq_len = 6;
		break;
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	case WLAN_CIPHER_SUITE_CCMP:
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	case WLAN_CIPHER_SUITE_CCMP_256:
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	case WLAN_CIPHER_SUITE_AES_CMAC:
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	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
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		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
			     offsetof(typeof(kseq), aes_cmac));
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	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
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		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
			     offsetof(typeof(kseq), aes_gmac));
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	case WLAN_CIPHER_SUITE_GCMP:
	case WLAN_CIPHER_SUITE_GCMP_256:
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		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
			     offsetof(typeof(kseq), gcmp));

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		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
		    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
			drv_get_key_seq(sdata->local, key, &kseq);
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			memcpy(seq, kseq.ccmp.pn, 6);
380
		} else {
381
			pn64 = atomic64_read(&key->conf.tx_pn);
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			seq[0] = pn64;
			seq[1] = pn64 >> 8;
			seq[2] = pn64 >> 16;
			seq[3] = pn64 >> 24;
			seq[4] = pn64 >> 32;
			seq[5] = pn64 >> 40;
		}
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		params.seq = seq;
		params.seq_len = 6;
		break;
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	default:
		if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
			break;
		if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
			break;
		drv_get_key_seq(sdata->local, key, &kseq);
		params.seq = kseq.hw.seq;
		params.seq_len = kseq.hw.seq_len;
		break;
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	}

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

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

 out:
410
	rcu_read_unlock();
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	return err;
}

414 415
static int ieee80211_config_default_key(struct wiphy *wiphy,
					struct net_device *dev,
416 417
					u8 key_idx, bool uni,
					bool multi)
418
{
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	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
420

421
	ieee80211_set_default_key(sdata, key_idx, uni, multi);
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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)
{
430
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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	ieee80211_set_default_mgmt_key(sdata, key_idx);

	return 0;
}

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void sta_set_rate_info_tx(struct sta_info *sta,
			  const struct ieee80211_tx_rate *rate,
			  struct rate_info *rinfo)
{
	rinfo->flags = 0;
442
	if (rate->flags & IEEE80211_TX_RC_MCS) {
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		rinfo->flags |= RATE_INFO_FLAGS_MCS;
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		rinfo->mcs = rate->idx;
	} else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
		rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
		rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
		rinfo->nss = ieee80211_rate_get_vht_nss(rate);
	} else {
		struct ieee80211_supported_band *sband;
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		int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
		u16 brate;

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		sband = sta->local->hw.wiphy->bands[
				ieee80211_get_sdata_band(sta->sdata)];
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		brate = sband->bitrates[rate->idx].bitrate;
		rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
458
	}
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	if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
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		rinfo->bw = RATE_INFO_BW_40;
	else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
		rinfo->bw = RATE_INFO_BW_80;
	else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
		rinfo->bw = RATE_INFO_BW_160;
	else
		rinfo->bw = RATE_INFO_BW_20;
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	if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
}

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static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
472
				  int idx, u8 *mac, struct station_info *sinfo)
473
{
474
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
475
	struct ieee80211_local *local = sdata->local;
476
	struct sta_info *sta;
477 478
	int ret = -ENOENT;

479
	mutex_lock(&local->sta_mtx);
480

481
	sta = sta_info_get_by_idx(sdata, idx);
482 483
	if (sta) {
		ret = 0;
484
		memcpy(mac, sta->sta.addr, ETH_ALEN);
485 486
		sta_set_sinfo(sta, sinfo);
	}
487

488
	mutex_unlock(&local->sta_mtx);
489

490
	return ret;
491 492
}

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static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
				 int idx, struct survey_info *survey)
{
	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);

	return drv_get_survey(local, idx, survey);
}

501
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
502
				 const u8 *mac, struct station_info *sinfo)
503
{
504
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
505
	struct ieee80211_local *local = sdata->local;
506
	struct sta_info *sta;
507
	int ret = -ENOENT;
508

509
	mutex_lock(&local->sta_mtx);
510

511
	sta = sta_info_get_bss(sdata, mac);
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	if (sta) {
		ret = 0;
		sta_set_sinfo(sta, sinfo);
	}

517
	mutex_unlock(&local->sta_mtx);
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	return ret;
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}

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static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
523
					 struct cfg80211_chan_def *chandef)
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{
	struct ieee80211_local *local = wiphy_priv(wiphy);
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	struct ieee80211_sub_if_data *sdata;
	int ret = 0;
528

529
	if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
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		return 0;
531

532
	mutex_lock(&local->mtx);
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	mutex_lock(&local->iflist_mtx);
	if (local->use_chanctx) {
		sdata = rcu_dereference_protected(
				local->monitor_sdata,
				lockdep_is_held(&local->iflist_mtx));
		if (sdata) {
			ieee80211_vif_release_channel(sdata);
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			ret = ieee80211_vif_use_channel(sdata, chandef,
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					IEEE80211_CHANCTX_EXCLUSIVE);
		}
	} else if (local->open_count == local->monitors) {
544
		local->_oper_chandef = *chandef;
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		ieee80211_hw_config(local, 0);
	}
547

548 549
	if (ret == 0)
		local->monitor_chandef = *chandef;
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	mutex_unlock(&local->iflist_mtx);
551
	mutex_unlock(&local->mtx);
552

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	return ret;
554 555
}

556
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
557 558
				    const u8 *resp, size_t resp_len,
				    const struct ieee80211_csa_settings *csa)
559
{
560
	struct probe_resp *new, *old;
561 562

	if (!resp || !resp_len)
563
		return 1;
564

565
	old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
566

567
	new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
568 569 570
	if (!new)
		return -ENOMEM;

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	new->len = resp_len;
	memcpy(new->data, resp, resp_len);
573

574 575 576 577 578
	if (csa)
		memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
		       csa->n_counter_offsets_presp *
		       sizeof(new->csa_counter_offsets[0]));

579
	rcu_assign_pointer(sdata->u.ap.probe_resp, new);
580 581
	if (old)
		kfree_rcu(old, rcu_head);
582 583 584 585

	return 0;
}

586
static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
587 588
				   struct cfg80211_beacon_data *params,
				   const struct ieee80211_csa_settings *csa)
589 590 591
{
	struct beacon_data *new, *old;
	int new_head_len, new_tail_len;
592 593
	int size, err;
	u32 changed = BSS_CHANGED_BEACON;
594

595 596
	old = sdata_dereference(sdata->u.ap.beacon, sdata);

597 598 599

	/* Need to have a beacon head if we don't have one yet */
	if (!params->head && !old)
600
		return -EINVAL;
601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631

	/* new or old head? */
	if (params->head)
		new_head_len = params->head_len;
	else
		new_head_len = old->head_len;

	/* new or old tail? */
	if (params->tail || !old)
		/* params->tail_len will be zero for !params->tail */
		new_tail_len = params->tail_len;
	else
		new_tail_len = old->tail_len;

	size = sizeof(*new) + new_head_len + new_tail_len;

	new = kzalloc(size, GFP_KERNEL);
	if (!new)
		return -ENOMEM;

	/* start filling the new info now */

	/*
	 * pointers go into the block we allocated,
	 * memory is | beacon_data | head | tail |
	 */
	new->head = ((u8 *) new) + sizeof(*new);
	new->tail = new->head + new_head_len;
	new->head_len = new_head_len;
	new->tail_len = new_tail_len;

632 633 634 635 636 637 638
	if (csa) {
		new->csa_current_counter = csa->count;
		memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
		       csa->n_counter_offsets_beacon *
		       sizeof(new->csa_counter_offsets[0]));
	}

639 640 641 642 643 644 645 646 647 648 649 650 651
	/* 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);

652
	err = ieee80211_set_probe_resp(sdata, params->probe_resp,
653
				       params->probe_resp_len, csa);
654 655 656
	if (err < 0)
		return err;
	if (err == 0)
657 658
		changed |= BSS_CHANGED_AP_PROBE_RESP;

659 660 661 662
	rcu_assign_pointer(sdata->u.ap.beacon, new);

	if (old)
		kfree_rcu(old, rcu_head);
663

664
	return changed;
665 666
}

667 668
static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
			      struct cfg80211_ap_settings *params)
669
{
670
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
671
	struct ieee80211_local *local = sdata->local;
672
	struct beacon_data *old;
673
	struct ieee80211_sub_if_data *vlan;
674 675 676
	u32 changed = BSS_CHANGED_BEACON_INT |
		      BSS_CHANGED_BEACON_ENABLED |
		      BSS_CHANGED_BEACON |
677
		      BSS_CHANGED_SSID |
678 679
		      BSS_CHANGED_P2P_PS |
		      BSS_CHANGED_TXPOWER;
680
	int err;
681

682
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
683 684 685
	if (old)
		return -EALREADY;

686 687 688 689 690 691 692 693 694 695 696 697 698
	switch (params->smps_mode) {
	case NL80211_SMPS_OFF:
		sdata->smps_mode = IEEE80211_SMPS_OFF;
		break;
	case NL80211_SMPS_STATIC:
		sdata->smps_mode = IEEE80211_SMPS_STATIC;
		break;
	case NL80211_SMPS_DYNAMIC:
		sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
		break;
	default:
		return -EINVAL;
	}
699 700
	sdata->needed_rx_chains = sdata->local->rx_chains;

701
	mutex_lock(&local->mtx);
702
	err = ieee80211_vif_use_channel(sdata, &params->chandef,
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Johannes Berg 已提交
703
					IEEE80211_CHANCTX_SHARED);
704 705
	if (!err)
		ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
706
	mutex_unlock(&local->mtx);
707 708 709
	if (err)
		return err;

710 711 712 713 714 715
	/*
	 * Apply control port protocol, this allows us to
	 * not encrypt dynamic WEP control frames.
	 */
	sdata->control_port_protocol = params->crypto.control_port_ethertype;
	sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
716 717 718 719
	sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
							&params->crypto,
							sdata->vif.type);

720 721 722 723 724
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
		vlan->control_port_protocol =
			params->crypto.control_port_ethertype;
		vlan->control_port_no_encrypt =
			params->crypto.control_port_no_encrypt;
725 726 727 728
		vlan->encrypt_headroom =
			ieee80211_cs_headroom(sdata->local,
					      &params->crypto,
					      vlan->vif.type);
729 730
	}

731 732
	sdata->vif.bss_conf.beacon_int = params->beacon_interval;
	sdata->vif.bss_conf.dtim_period = params->dtim_period;
733
	sdata->vif.bss_conf.enable_beacon = true;
734 735 736 737 738 739 740 741

	sdata->vif.bss_conf.ssid_len = params->ssid_len;
	if (params->ssid_len)
		memcpy(sdata->vif.bss_conf.ssid, params->ssid,
		       params->ssid_len);
	sdata->vif.bss_conf.hidden_ssid =
		(params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);

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Janusz Dziedzic 已提交
742 743 744 745 746 747 748
	memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
	       sizeof(sdata->vif.bss_conf.p2p_noa_attr));
	sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
		params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
	if (params->p2p_opp_ps)
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
					IEEE80211_P2P_OPPPS_ENABLE_BIT;
749

750
	err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
751 752
	if (err < 0) {
		ieee80211_vif_release_channel(sdata);
753
		return err;
754
	}
755 756
	changed |= err;

757 758
	err = drv_start_ap(sdata->local, sdata);
	if (err) {
759 760
		old = sdata_dereference(sdata->u.ap.beacon, sdata);

761 762 763
		if (old)
			kfree_rcu(old, rcu_head);
		RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
764
		ieee80211_vif_release_channel(sdata);
765 766 767
		return err;
	}

768
	ieee80211_recalc_dtim(local, sdata);
769 770
	ieee80211_bss_info_change_notify(sdata, changed);

771 772 773 774
	netif_carrier_on(dev);
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_on(vlan->dev);

775
	return 0;
776 777
}

778 779
static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
				   struct cfg80211_beacon_data *params)
780
{
781
	struct ieee80211_sub_if_data *sdata;
782
	struct beacon_data *old;
783
	int err;
784

785
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
786
	sdata_assert_lock(sdata);
787

788 789 790 791 792 793
	/* don't allow changing the beacon while CSA is in place - offset
	 * of channel switch counter may change
	 */
	if (sdata->vif.csa_active)
		return -EBUSY;

794
	old = sdata_dereference(sdata->u.ap.beacon, sdata);
795 796 797
	if (!old)
		return -ENOENT;

798
	err = ieee80211_assign_beacon(sdata, params, NULL);
799 800 801 802
	if (err < 0)
		return err;
	ieee80211_bss_info_change_notify(sdata, err);
	return 0;
803 804
}

805
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
806
{
807 808 809 810 811
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_sub_if_data *vlan;
	struct ieee80211_local *local = sdata->local;
	struct beacon_data *old_beacon;
	struct probe_resp *old_probe_resp;
812
	struct cfg80211_chan_def chandef;
813

814 815
	sdata_assert_lock(sdata);

816
	old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
817
	if (!old_beacon)
818
		return -ENOENT;
819
	old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
820

821
	/* abort any running channel switch */
822
	mutex_lock(&local->mtx);
823
	sdata->vif.csa_active = false;
824 825 826 827 828 829
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}

830 831
	mutex_unlock(&local->mtx);

832 833 834
	kfree(sdata->u.ap.next_beacon);
	sdata->u.ap.next_beacon = NULL;

835
	/* turn off carrier for this interface and dependent VLANs */
836 837 838 839
	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
		netif_carrier_off(vlan->dev);
	netif_carrier_off(dev);

840
	/* remove beacon and probe response */
841
	RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
842 843 844 845
	RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
	kfree_rcu(old_beacon, rcu_head);
	if (old_probe_resp)
		kfree_rcu(old_probe_resp, rcu_head);
846
	sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
847

848
	__sta_info_flush(sdata, true);
849
	ieee80211_free_keys(sdata, true);
850

851
	sdata->vif.bss_conf.enable_beacon = false;
852
	sdata->vif.bss_conf.ssid_len = 0;
853
	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
854
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
855

856
	if (sdata->wdev.cac_started) {
857
		chandef = sdata->vif.bss_conf.chandef;
858
		cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
859 860
		cfg80211_cac_event(sdata->dev, &chandef,
				   NL80211_RADAR_CAC_ABORTED,
861 862 863
				   GFP_KERNEL);
	}

864 865
	drv_stop_ap(sdata->local, sdata);

866 867 868 869
	/* free all potentially still buffered bcast frames */
	local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
	skb_queue_purge(&sdata->u.ap.ps.bc_buf);

870
	mutex_lock(&local->mtx);
871
	ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
J
Johannes Berg 已提交
872
	ieee80211_vif_release_channel(sdata);
873
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
874

875
	return 0;
876 877
}

878 879 880 881 882 883 884 885 886
/* 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];
E
Eric Dumazet 已提交
887
} __packed;
888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904

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 */

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Johannes Berg 已提交
905
	eth_broadcast_addr(msg->da);
906
	memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
907 908 909 910 911 912 913 914 915
	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) */

916 917
	skb->dev = sta->sdata->dev;
	skb->protocol = eth_type_trans(skb, sta->sdata->dev);
918
	memset(skb->cb, 0, sizeof(skb->cb));
919
	netif_rx_ni(skb);
920 921
}

922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
static int sta_apply_auth_flags(struct ieee80211_local *local,
				struct sta_info *sta,
				u32 mask, u32 set)
{
	int ret;

	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
	    set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
	    !test_sta_flag(sta, WLAN_STA_AUTH)) {
		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
	    set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
	    !test_sta_flag(sta, WLAN_STA_ASSOC)) {
939 940 941 942 943
		/*
		 * When peer becomes associated, init rate control as
		 * well. Some drivers require rate control initialized
		 * before drv_sta_state() is called.
		 */
944
		if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
945 946
			rate_control_rate_init(sta);

947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981
		ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
			ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
		else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
		else
			ret = 0;
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
	    !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
	    test_sta_flag(sta, WLAN_STA_ASSOC)) {
		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
		if (ret)
			return ret;
	}

	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
	    !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
	    test_sta_flag(sta, WLAN_STA_AUTH)) {
		ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
		if (ret)
			return ret;
	}

	return 0;
}

982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 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
static void sta_apply_mesh_params(struct ieee80211_local *local,
				  struct sta_info *sta,
				  struct station_parameters *params)
{
#ifdef CONFIG_MAC80211_MESH
	struct ieee80211_sub_if_data *sdata = sta->sdata;
	u32 changed = 0;

	if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
		switch (params->plink_state) {
		case NL80211_PLINK_ESTAB:
			if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
				changed = mesh_plink_inc_estab_count(sdata);
			sta->mesh->plink_state = params->plink_state;

			ieee80211_mps_sta_status_update(sta);
			changed |= ieee80211_mps_set_sta_local_pm(sta,
				      sdata->u.mesh.mshcfg.power_mode);
			break;
		case NL80211_PLINK_LISTEN:
		case NL80211_PLINK_BLOCKED:
		case NL80211_PLINK_OPN_SNT:
		case NL80211_PLINK_OPN_RCVD:
		case NL80211_PLINK_CNF_RCVD:
		case NL80211_PLINK_HOLDING:
			if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
				changed = mesh_plink_dec_estab_count(sdata);
			sta->mesh->plink_state = params->plink_state;

			ieee80211_mps_sta_status_update(sta);
			changed |= ieee80211_mps_set_sta_local_pm(sta,
					NL80211_MESH_POWER_UNKNOWN);
			break;
		default:
			/*  nothing  */
			break;
		}
	}

	switch (params->plink_action) {
	case NL80211_PLINK_ACTION_NO_ACTION:
		/* nothing */
		break;
	case NL80211_PLINK_ACTION_OPEN:
		changed |= mesh_plink_open(sta);
		break;
	case NL80211_PLINK_ACTION_BLOCK:
		changed |= mesh_plink_block(sta);
		break;
	}

	if (params->local_pm)
		changed |= ieee80211_mps_set_sta_local_pm(sta,
							  params->local_pm);

	ieee80211_mbss_info_change_notify(sdata, changed);
#endif
}

1041 1042 1043
static int sta_apply_parameters(struct ieee80211_local *local,
				struct sta_info *sta,
				struct station_parameters *params)
1044
{
1045
	int ret = 0;
1046
	struct ieee80211_supported_band *sband;
1047
	struct ieee80211_sub_if_data *sdata = sta->sdata;
J
Johannes Berg 已提交
1048
	enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1049
	u32 mask, set;
1050

J
Johannes Berg 已提交
1051
	sband = local->hw.wiphy->bands[band];
J
Johannes Berg 已提交
1052

1053 1054
	mask = params->sta_flags_mask;
	set = params->sta_flags_set;
J
Johannes Berg 已提交
1055

1056 1057 1058 1059 1060 1061 1062 1063 1064
	if (ieee80211_vif_is_mesh(&sdata->vif)) {
		/*
		 * In mesh mode, ASSOCIATED isn't part of the nl80211
		 * API but must follow AUTHENTICATED for driver state.
		 */
		if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
			mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
		if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
			set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076
	} else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
		/*
		 * TDLS -- everything follows authorized, but
		 * only becoming authorized is possible, not
		 * going back
		 */
		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
			set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
			       BIT(NL80211_STA_FLAG_ASSOCIATED);
			mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
				BIT(NL80211_STA_FLAG_ASSOCIATED);
		}
1077
	}
1078

1079 1080 1081 1082
	if (mask & BIT(NL80211_STA_FLAG_WME) &&
	    local->hw.queues >= IEEE80211_NUM_ACS)
		sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);

1083 1084 1085 1086 1087
	/* auth flags will be set later for TDLS,
	 * and for unassociated stations that move to assocaited */
	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
	      (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1088 1089 1090 1091
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}
1092

1093 1094
	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
J
Johannes Berg 已提交
1095 1096 1097
			set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
		else
			clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1098
	}
1099

1100
	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1101
		sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1102
		if (set & BIT(NL80211_STA_FLAG_MFP))
J
Johannes Berg 已提交
1103 1104 1105
			set_sta_flag(sta, WLAN_STA_MFP);
		else
			clear_sta_flag(sta, WLAN_STA_MFP);
1106
	}
1107

1108 1109
	if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
		if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
J
Johannes Berg 已提交
1110 1111 1112
			set_sta_flag(sta, WLAN_STA_TDLS_PEER);
		else
			clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1113
	}
1114

1115 1116 1117 1118 1119 1120 1121
	/* mark TDLS channel switch support, if the AP allows it */
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    !sdata->u.mgd.tdls_chan_switch_prohibited &&
	    params->ext_capab_len >= 4 &&
	    params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
		set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);

1122
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1123
	    !sdata->u.mgd.tdls_wider_bw_prohibited &&
1124 1125 1126 1127 1128
	    ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
	    params->ext_capab_len >= 8 &&
	    params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
		set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);

1129 1130 1131 1132
	if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
		sta->sta.uapsd_queues = params->uapsd_queues;
		sta->sta.max_sp = params->max_sp;
	}
1133

1134 1135 1136 1137 1138 1139 1140
	/*
	 * cfg80211 validates this (1-2007) and allows setting the AID
	 * only when creating a new station entry
	 */
	if (params->aid)
		sta->sta.aid = params->aid;

J
Johannes Berg 已提交
1141
	/*
1142 1143 1144 1145 1146
	 * Some of the following updates would be racy if called on an
	 * existing station, via ieee80211_change_station(). However,
	 * all such changes are rejected by cfg80211 except for updates
	 * changing the supported rates on an existing but not yet used
	 * TDLS peer.
J
Johannes Berg 已提交
1147 1148
	 */

1149 1150 1151 1152
	if (params->listen_interval >= 0)
		sta->listen_interval = params->listen_interval;

	if (params->supported_rates) {
1153 1154 1155 1156
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
					 sband, params->supported_rates,
					 params->supported_rates_len,
					 &sta->sta.supp_rates[band]);
1157
	}
1158

J
Johannes Berg 已提交
1159
	if (params->ht_capa)
B
Ben Greear 已提交
1160
		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1161
						  params->ht_capa, sta);
1162

M
Mahesh Palivela 已提交
1163 1164
	if (params->vht_capa)
		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1165
						    params->vht_capa, sta);
M
Mahesh Palivela 已提交
1166

1167 1168 1169 1170 1171 1172 1173 1174 1175
	if (params->opmode_notif_used) {
		/* returned value is only needed for rc update, but the
		 * rc isn't initialized here yet, so ignore it
		 */
		__ieee80211_vht_handle_opmode(sdata, sta,
					      params->opmode_notif,
					      band, false);
	}

1176 1177
	if (ieee80211_vif_is_mesh(&sdata->vif))
		sta_apply_mesh_params(local, sta, params);
1178

1179
	/* set the STA state after all sta info from usermode has been set */
1180 1181
	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1182 1183 1184 1185 1186
		ret = sta_apply_auth_flags(local, sta, mask, set);
		if (ret)
			return ret;
	}

1187
	return 0;
1188 1189 1190
}

static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1191 1192
				 const u8 *mac,
				 struct station_parameters *params)
1193
{
1194
	struct ieee80211_local *local = wiphy_priv(wiphy);
1195 1196
	struct sta_info *sta;
	struct ieee80211_sub_if_data *sdata;
J
Johannes Berg 已提交
1197
	int err;
1198
	int layer2_update;
1199 1200 1201 1202

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

1203 1204
		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
		    sdata->vif.type != NL80211_IFTYPE_AP)
1205 1206 1207 1208
			return -EINVAL;
	} else
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1209
	if (ether_addr_equal(mac, sdata->vif.addr))
1210 1211 1212 1213 1214 1215
		return -EINVAL;

	if (is_multicast_ether_addr(mac))
		return -EINVAL;

	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
J
Johannes Berg 已提交
1216 1217
	if (!sta)
		return -ENOMEM;
1218

1219 1220
	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
		sta->sta.tdls = true;
1221

1222 1223 1224 1225 1226
	err = sta_apply_parameters(local, sta, params);
	if (err) {
		sta_info_free(local, sta);
		return err;
	}
1227

1228
	/*
1229 1230 1231
	 * for TDLS and for unassociated station, rate control should be
	 * initialized only when rates are known and station is marked
	 * authorized/associated
1232
	 */
1233 1234
	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
	    test_sta_flag(sta, WLAN_STA_ASSOC))
1235
		rate_control_rate_init(sta);
1236

1237 1238 1239
	layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
		sdata->vif.type == NL80211_IFTYPE_AP;

1240
	err = sta_info_insert_rcu(sta);
J
Johannes Berg 已提交
1241 1242 1243 1244 1245
	if (err) {
		rcu_read_unlock();
		return err;
	}

1246
	if (layer2_update)
J
Johannes Berg 已提交
1247 1248 1249 1250
		ieee80211_send_layer2_update(sta);

	rcu_read_unlock();

1251 1252 1253 1254
	return 0;
}

static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1255
				 struct station_del_parameters *params)
1256
{
1257
	struct ieee80211_sub_if_data *sdata;
1258

1259 1260
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1261 1262
	if (params->mac)
		return sta_info_destroy_addr_bss(sdata, params->mac);
1263

1264
	sta_info_flush(sdata);
1265 1266 1267 1268
	return 0;
}

static int ieee80211_change_station(struct wiphy *wiphy,
1269
				    struct net_device *dev, const u8 *mac,
1270 1271
				    struct station_parameters *params)
{
1272
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1273
	struct ieee80211_local *local = wiphy_priv(wiphy);
1274 1275
	struct sta_info *sta;
	struct ieee80211_sub_if_data *vlansdata;
1276
	enum cfg80211_station_type statype;
1277
	int err;
1278

1279
	mutex_lock(&local->sta_mtx);
J
Johannes Berg 已提交
1280

1281
	sta = sta_info_get_bss(sdata, mac);
J
Johannes Berg 已提交
1282
	if (!sta) {
1283 1284
		err = -ENOENT;
		goto out_err;
J
Johannes Berg 已提交
1285
	}
1286

1287 1288
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_MESH_POINT:
1289
		if (sdata->u.mesh.user_mpm)
1290
			statype = CFG80211_STA_MESH_PEER_USER;
1291
		else
1292
			statype = CFG80211_STA_MESH_PEER_KERNEL;
1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308
		break;
	case NL80211_IFTYPE_ADHOC:
		statype = CFG80211_STA_IBSS;
		break;
	case NL80211_IFTYPE_STATION:
		if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
			statype = CFG80211_STA_AP_STA;
			break;
		}
		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			statype = CFG80211_STA_TDLS_PEER_ACTIVE;
		else
			statype = CFG80211_STA_TDLS_PEER_SETUP;
		break;
	case NL80211_IFTYPE_AP:
	case NL80211_IFTYPE_AP_VLAN:
1309 1310 1311 1312
		if (test_sta_flag(sta, WLAN_STA_ASSOC))
			statype = CFG80211_STA_AP_CLIENT;
		else
			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1313 1314 1315 1316
		break;
	default:
		err = -EOPNOTSUPP;
		goto out_err;
1317 1318
	}

1319 1320 1321 1322
	err = cfg80211_check_station_change(wiphy, params, statype);
	if (err)
		goto out_err;

1323
	if (params->vlan && params->vlan != sta->sdata->dev) {
1324 1325 1326
		bool prev_4addr = false;
		bool new_4addr = false;

1327 1328
		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);

1329
		if (params->vlan->ieee80211_ptr->use_4addr) {
J
Johannes Berg 已提交
1330
			if (vlansdata->u.vlan.sta) {
1331 1332
				err = -EBUSY;
				goto out_err;
J
Johannes Berg 已提交
1333
			}
1334

1335
			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1336 1337 1338 1339 1340
			new_4addr = true;
		}

		if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
		    sta->sdata->u.vlan.sta) {
M
Monam Agarwal 已提交
1341
			RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1342
			prev_4addr = true;
1343 1344
		}

1345
		sta->sdata = vlansdata;
1346
		ieee80211_check_fast_xmit(sta);
1347 1348 1349 1350 1351 1352 1353 1354 1355

		if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
		    prev_4addr != new_4addr) {
			if (new_4addr)
				atomic_dec(&sta->sdata->bss->num_mcast_sta);
			else
				atomic_inc(&sta->sdata->bss->num_mcast_sta);
		}

1356 1357 1358
		ieee80211_send_layer2_update(sta);
	}

1359
	err = sta_apply_parameters(local, sta, params);
1360 1361
	if (err)
		goto out_err;
1362

1363
	mutex_unlock(&local->sta_mtx);
J
Johannes Berg 已提交
1364

1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378
	if ((sdata->vif.type == NL80211_IFTYPE_AP ||
	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
	    sta->known_smps_mode != sta->sdata->bss->req_smps &&
	    test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
	    sta_info_tx_streams(sta) != 1) {
		ht_dbg(sta->sdata,
		       "%pM just authorized and MIMO capable - update SMPS\n",
		       sta->sta.addr);
		ieee80211_send_smps_action(sta->sdata,
			sta->sdata->bss->req_smps,
			sta->sta.addr,
			sta->sdata->vif.bss_conf.bssid);
	}

1379
	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
E
Eliad Peller 已提交
1380
	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
J
Johannes Berg 已提交
1381
		ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
1382 1383
		ieee80211_recalc_ps_vif(sdata);
	}
1384

1385
	return 0;
1386 1387 1388
out_err:
	mutex_unlock(&local->sta_mtx);
	return err;
1389 1390
}

1391 1392
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1393
			       const u8 *dst, const u8 *next_hop)
1394
{
1395
	struct ieee80211_sub_if_data *sdata;
1396 1397 1398
	struct mesh_path *mpath;
	struct sta_info *sta;

1399 1400
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1401
	rcu_read_lock();
1402
	sta = sta_info_get(sdata, next_hop);
1403 1404
	if (!sta) {
		rcu_read_unlock();
1405
		return -ENOENT;
1406
	}
1407

1408 1409
	mpath = mesh_path_add(sdata, dst);
	if (IS_ERR(mpath)) {
1410
		rcu_read_unlock();
1411
		return PTR_ERR(mpath);
1412
	}
1413 1414

	mesh_path_fix_nexthop(mpath, sta);
1415

1416 1417 1418 1419 1420
	rcu_read_unlock();
	return 0;
}

static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1421
			       const u8 *dst)
1422
{
1423 1424
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1425
	if (dst)
J
Johannes Berg 已提交
1426
		return mesh_path_del(sdata, dst);
1427

1428
	mesh_path_flush_by_iface(sdata);
1429 1430 1431
	return 0;
}

1432 1433
static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *dst, const u8 *next_hop)
1434
{
1435
	struct ieee80211_sub_if_data *sdata;
1436 1437 1438
	struct mesh_path *mpath;
	struct sta_info *sta;

1439 1440
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1441 1442
	rcu_read_lock();

1443
	sta = sta_info_get(sdata, next_hop);
1444 1445
	if (!sta) {
		rcu_read_unlock();
1446
		return -ENOENT;
1447
	}
1448

J
Johannes Berg 已提交
1449
	mpath = mesh_path_lookup(sdata, dst);
1450 1451 1452 1453 1454 1455
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}

	mesh_path_fix_nexthop(mpath, sta);
1456

1457 1458 1459 1460 1461 1462 1463
	rcu_read_unlock();
	return 0;
}

static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
			    struct mpath_info *pinfo)
{
J
Johannes Berg 已提交
1464 1465 1466 1467
	struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);

	if (next_hop_sta)
		memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1468
	else
1469
		eth_zero_addr(next_hop);
1470

1471 1472
	memset(pinfo, 0, sizeof(*pinfo));

1473 1474
	pinfo->generation = mesh_paths_generation;

1475
	pinfo->filled = MPATH_INFO_FRAME_QLEN |
1476
			MPATH_INFO_SN |
1477 1478 1479 1480 1481 1482 1483
			MPATH_INFO_METRIC |
			MPATH_INFO_EXPTIME |
			MPATH_INFO_DISCOVERY_TIMEOUT |
			MPATH_INFO_DISCOVERY_RETRIES |
			MPATH_INFO_FLAGS;

	pinfo->frame_qlen = mpath->frame_queue.qlen;
1484
	pinfo->sn = mpath->sn;
1485 1486 1487 1488 1489 1490 1491 1492 1493 1494
	pinfo->metric = mpath->metric;
	if (time_before(jiffies, mpath->exp_time))
		pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
	pinfo->discovery_timeout =
			jiffies_to_msecs(mpath->discovery_timeout);
	pinfo->discovery_retries = mpath->discovery_retries;
	if (mpath->flags & MESH_PATH_ACTIVE)
		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
	if (mpath->flags & MESH_PATH_RESOLVING)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1495 1496
	if (mpath->flags & MESH_PATH_SN_VALID)
		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1497 1498
	if (mpath->flags & MESH_PATH_FIXED)
		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1499 1500
	if (mpath->flags & MESH_PATH_RESOLVED)
		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1501 1502 1503 1504 1505 1506
}

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

{
1507
	struct ieee80211_sub_if_data *sdata;
1508 1509
	struct mesh_path *mpath;

1510 1511
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1512
	rcu_read_lock();
J
Johannes Berg 已提交
1513
	mpath = mesh_path_lookup(sdata, dst);
1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524
	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,
1525 1526
				int idx, u8 *dst, u8 *next_hop,
				struct mpath_info *pinfo)
1527
{
1528
	struct ieee80211_sub_if_data *sdata;
1529 1530
	struct mesh_path *mpath;

1531 1532
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

1533
	rcu_read_lock();
J
Johannes Berg 已提交
1534
	mpath = mesh_path_lookup_by_idx(sdata, idx);
1535 1536 1537 1538 1539 1540 1541 1542 1543
	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;
}
1544

1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595
static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
			  struct mpath_info *pinfo)
{
	memset(pinfo, 0, sizeof(*pinfo));
	memcpy(mpp, mpath->mpp, ETH_ALEN);

	pinfo->generation = mpp_paths_generation;
}

static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
			     u8 *dst, u8 *mpp, struct mpath_info *pinfo)

{
	struct ieee80211_sub_if_data *sdata;
	struct mesh_path *mpath;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	rcu_read_lock();
	mpath = mpp_path_lookup(sdata, dst);
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}
	memcpy(dst, mpath->dst, ETH_ALEN);
	mpp_set_pinfo(mpath, mpp, pinfo);
	rcu_read_unlock();
	return 0;
}

static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
			      int idx, u8 *dst, u8 *mpp,
			      struct mpath_info *pinfo)
{
	struct ieee80211_sub_if_data *sdata;
	struct mesh_path *mpath;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	rcu_read_lock();
	mpath = mpp_path_lookup_by_idx(sdata, idx);
	if (!mpath) {
		rcu_read_unlock();
		return -ENOENT;
	}
	memcpy(dst, mpath->dst, ETH_ALEN);
	mpp_set_pinfo(mpath, mpp, pinfo);
	rcu_read_unlock();
	return 0;
}

1596
static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
				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;
}

1612 1613 1614 1615 1616
static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
		const struct mesh_setup *setup)
{
	u8 *new_ie;
	const u8 *old_ie;
1617 1618
	struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
					struct ieee80211_sub_if_data, u.mesh);
1619

1620
	/* allocate information elements */
1621
	new_ie = NULL;
1622
	old_ie = ifmsh->ie;
1623

1624 1625
	if (setup->ie_len) {
		new_ie = kmemdup(setup->ie, setup->ie_len,
1626 1627 1628 1629
				GFP_KERNEL);
		if (!new_ie)
			return -ENOMEM;
	}
1630 1631 1632
	ifmsh->ie_len = setup->ie_len;
	ifmsh->ie = new_ie;
	kfree(old_ie);
1633 1634 1635 1636

	/* now copy the rest of the setup parameters */
	ifmsh->mesh_id_len = setup->mesh_id_len;
	memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1637
	ifmsh->mesh_sp_id = setup->sync_method;
1638 1639
	ifmsh->mesh_pp_id = setup->path_sel_proto;
	ifmsh->mesh_pm_id = setup->path_metric;
1640
	ifmsh->user_mpm = setup->user_mpm;
1641
	ifmsh->mesh_auth_id = setup->auth_id;
1642 1643 1644 1645 1646
	ifmsh->security = IEEE80211_MESH_SEC_NONE;
	if (setup->is_authenticated)
		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
	if (setup->is_secure)
		ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1647

1648 1649 1650
	/* mcast rate setting in Mesh Node */
	memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
						sizeof(setup->mcast_rate));
1651
	sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1652

1653 1654 1655
	sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
	sdata->vif.bss_conf.dtim_period = setup->dtim_period;

1656 1657 1658
	return 0;
}

1659
static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1660 1661
					struct net_device *dev, u32 mask,
					const struct mesh_config *nconf)
1662 1663 1664
{
	struct mesh_config *conf;
	struct ieee80211_sub_if_data *sdata;
1665 1666
	struct ieee80211_if_mesh *ifmsh;

1667
	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1668
	ifmsh = &sdata->u.mesh;
1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683

	/* 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;
1684
	if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1685
		conf->element_ttl = nconf->element_ttl;
1686 1687 1688
	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
		if (ifmsh->user_mpm)
			return -EBUSY;
1689
		conf->auto_open_plinks = nconf->auto_open_plinks;
1690
	}
1691 1692 1693
	if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
		conf->dot11MeshNbrOffsetMaxNeighbor =
			nconf->dot11MeshNbrOffsetMaxNeighbor;
1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706
	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;
1707 1708 1709
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
		conf->dot11MeshHWMPperrMinInterval =
			nconf->dot11MeshHWMPperrMinInterval;
1710 1711 1712 1713
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
			   mask))
		conf->dot11MeshHWMPnetDiameterTraversalTime =
			nconf->dot11MeshHWMPnetDiameterTraversalTime;
1714 1715 1716 1717
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
		ieee80211_mesh_root_setup(ifmsh);
	}
1718
	if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
T
Thomas Pedersen 已提交
1719 1720 1721 1722
		/* our current gate announcement implementation rides on root
		 * announcements, so require this ifmsh to also be a root node
		 * */
		if (nconf->dot11MeshGateAnnouncementProtocol &&
1723 1724
		    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
			conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
T
Thomas Pedersen 已提交
1725 1726
			ieee80211_mesh_root_setup(ifmsh);
		}
1727 1728 1729
		conf->dot11MeshGateAnnouncementProtocol =
			nconf->dot11MeshGateAnnouncementProtocol;
	}
1730
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1731 1732
		conf->dot11MeshHWMPRannInterval =
			nconf->dot11MeshHWMPRannInterval;
1733 1734
	if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
		conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1735 1736 1737 1738
	if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
		/* our RSSI threshold implementation is supported only for
		 * devices that report signal in dBm.
		 */
1739
		if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1740 1741 1742
			return -ENOTSUPP;
		conf->rssi_threshold = nconf->rssi_threshold;
	}
1743 1744 1745 1746 1747
	if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
		conf->ht_opmode = nconf->ht_opmode;
		sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
	}
1748 1749 1750 1751 1752 1753
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
		conf->dot11MeshHWMPactivePathToRootTimeout =
			nconf->dot11MeshHWMPactivePathToRootTimeout;
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
		conf->dot11MeshHWMProotInterval =
			nconf->dot11MeshHWMProotInterval;
1754 1755 1756
	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
		conf->dot11MeshHWMPconfirmationInterval =
			nconf->dot11MeshHWMPconfirmationInterval;
M
Marco Porsch 已提交
1757 1758 1759 1760
	if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
		conf->power_mode = nconf->power_mode;
		ieee80211_mps_local_status_update(sdata);
	}
T
Thomas Pedersen 已提交
1761
	if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
M
Marco Porsch 已提交
1762 1763
		conf->dot11MeshAwakeWindowDuration =
			nconf->dot11MeshAwakeWindowDuration;
1764 1765
	if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
		conf->plink_timeout = nconf->plink_timeout;
T
Thomas Pedersen 已提交
1766
	ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1767 1768 1769
	return 0;
}

1770 1771 1772 1773 1774 1775
static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
			       const struct mesh_config *conf,
			       const struct mesh_setup *setup)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1776
	int err;
1777

1778 1779 1780 1781
	memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
	err = copy_mesh_setup(ifmsh, setup);
	if (err)
		return err;
1782

1783 1784 1785 1786
	/* can mesh use other SMPS modes? */
	sdata->smps_mode = IEEE80211_SMPS_OFF;
	sdata->needed_rx_chains = sdata->local->rx_chains;

1787
	mutex_lock(&sdata->local->mtx);
1788
	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
J
Johannes Berg 已提交
1789
					IEEE80211_CHANCTX_SHARED);
1790
	mutex_unlock(&sdata->local->mtx);
1791 1792 1793
	if (err)
		return err;

T
Thomas Pedersen 已提交
1794
	return ieee80211_start_mesh(sdata);
1795 1796 1797 1798 1799 1800 1801
}

static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	ieee80211_stop_mesh(sdata);
1802
	mutex_lock(&sdata->local->mtx);
J
Johannes Berg 已提交
1803
	ieee80211_vif_release_channel(sdata);
1804
	mutex_unlock(&sdata->local->mtx);
1805 1806 1807

	return 0;
}
1808 1809
#endif

1810 1811 1812 1813
static int ieee80211_change_bss(struct wiphy *wiphy,
				struct net_device *dev,
				struct bss_parameters *params)
{
J
Johannes Berg 已提交
1814 1815
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	enum ieee80211_band band;
1816 1817
	u32 changed = 0;

1818
	if (!sdata_dereference(sdata->u.ap.beacon, sdata))
J
Johannes Berg 已提交
1819 1820 1821
		return -ENOENT;

	band = ieee80211_get_sdata_band(sdata);
1822 1823

	if (params->use_cts_prot >= 0) {
J
Johannes Berg 已提交
1824
		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1825 1826 1827
		changed |= BSS_CHANGED_ERP_CTS_PROT;
	}
	if (params->use_short_preamble >= 0) {
J
Johannes Berg 已提交
1828
		sdata->vif.bss_conf.use_short_preamble =
1829 1830 1831
			params->use_short_preamble;
		changed |= BSS_CHANGED_ERP_PREAMBLE;
	}
1832 1833

	if (!sdata->vif.bss_conf.use_short_slot &&
J
Johannes Berg 已提交
1834
	    band == IEEE80211_BAND_5GHZ) {
1835 1836 1837 1838
		sdata->vif.bss_conf.use_short_slot = true;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

1839
	if (params->use_short_slot_time >= 0) {
J
Johannes Berg 已提交
1840
		sdata->vif.bss_conf.use_short_slot =
1841 1842 1843 1844
			params->use_short_slot_time;
		changed |= BSS_CHANGED_ERP_SLOT;
	}

1845
	if (params->basic_rates) {
1846 1847 1848 1849 1850
		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
					 wiphy->bands[band],
					 params->basic_rates,
					 params->basic_rates_len,
					 &sdata->vif.bss_conf.basic_rates);
1851 1852 1853
		changed |= BSS_CHANGED_BASIC_RATES;
	}

1854 1855 1856 1857 1858 1859 1860
	if (params->ap_isolate >= 0) {
		if (params->ap_isolate)
			sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
		else
			sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
	}

1861 1862 1863 1864 1865 1866
	if (params->ht_opmode >= 0) {
		sdata->vif.bss_conf.ht_operation_mode =
			(u16) params->ht_opmode;
		changed |= BSS_CHANGED_HT;
	}

1867
	if (params->p2p_ctwindow >= 0) {
J
Janusz Dziedzic 已提交
1868 1869 1870 1871
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
					~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
			params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1872 1873 1874
		changed |= BSS_CHANGED_P2P_PS;
	}

J
Janusz Dziedzic 已提交
1875 1876 1877 1878 1879 1880 1881
	if (params->p2p_opp_ps > 0) {
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
					IEEE80211_P2P_OPPPS_ENABLE_BIT;
		changed |= BSS_CHANGED_P2P_PS;
	} else if (params->p2p_opp_ps == 0) {
		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
					~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1882 1883 1884
		changed |= BSS_CHANGED_P2P_PS;
	}

1885 1886 1887 1888 1889
	ieee80211_bss_info_change_notify(sdata, changed);

	return 0;
}

1890
static int ieee80211_set_txq_params(struct wiphy *wiphy,
1891
				    struct net_device *dev,
1892 1893 1894
				    struct ieee80211_txq_params *params)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
1895
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1896 1897 1898 1899 1900
	struct ieee80211_tx_queue_params p;

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

1901 1902 1903
	if (local->hw.queues < IEEE80211_NUM_ACS)
		return -EOPNOTSUPP;

1904 1905 1906 1907 1908
	memset(&p, 0, sizeof(p));
	p.aifs = params->aifs;
	p.cw_max = params->cwmax;
	p.cw_min = params->cwmin;
	p.txop = params->txop;
K
Kalle Valo 已提交
1909 1910 1911 1912 1913 1914 1915

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

1916 1917
	sdata->tx_conf[params->ac] = p;
	if (drv_conf_tx(local, sdata, params->ac, &p)) {
J
Joe Perches 已提交
1918
		wiphy_debug(local->hw.wiphy,
1919 1920
			    "failed to set TX queue parameters for AC %d\n",
			    params->ac);
1921 1922 1923
		return -EINVAL;
	}

1924 1925
	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);

1926 1927 1928
	return 0;
}

1929
#ifdef CONFIG_PM
J
Johannes Berg 已提交
1930 1931
static int ieee80211_suspend(struct wiphy *wiphy,
			     struct cfg80211_wowlan *wowlan)
1932
{
1933
	return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944
}

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

1945 1946 1947
static int ieee80211_scan(struct wiphy *wiphy,
			  struct cfg80211_scan_request *req)
{
J
Johannes Berg 已提交
1948 1949 1950
	struct ieee80211_sub_if_data *sdata;

	sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1951

1952 1953 1954 1955 1956
	switch (ieee80211_vif_type_p2p(&sdata->vif)) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
	case NL80211_IFTYPE_MESH_POINT:
	case NL80211_IFTYPE_P2P_CLIENT:
1957
	case NL80211_IFTYPE_P2P_DEVICE:
1958 1959 1960 1961
		break;
	case NL80211_IFTYPE_P2P_GO:
		if (sdata->local->ops->hw_scan)
			break;
1962 1963 1964 1965 1966
		/*
		 * FIXME: implement NoA while scanning in software,
		 * for now fall through to allow scanning only when
		 * beaconing hasn't been configured yet
		 */
1967
	case NL80211_IFTYPE_AP:
1968 1969 1970 1971 1972 1973 1974 1975 1976 1977
		/*
		 * If the scan has been forced (and the driver supports
		 * forcing), don't care about being beaconing already.
		 * This will create problems to the attached stations (e.g. all
		 * the  frames sent while scanning on other channel will be
		 * lost)
		 */
		if (sdata->u.ap.beacon &&
		    (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
		     !(req->flags & NL80211_SCAN_FLAG_AP)))
1978 1979 1980 1981 1982
			return -EOPNOTSUPP;
		break;
	default:
		return -EOPNOTSUPP;
	}
1983 1984 1985 1986

	return ieee80211_request_scan(sdata, req);
}

1987 1988 1989 1990 1991
static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
{
	ieee80211_scan_cancel(wiphy_priv(wiphy));
}

1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
static int
ieee80211_sched_scan_start(struct wiphy *wiphy,
			   struct net_device *dev,
			   struct cfg80211_sched_scan_request *req)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (!sdata->local->ops->sched_scan_start)
		return -EOPNOTSUPP;

	return ieee80211_request_sched_scan_start(sdata, req);
}

static int
2006
ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2007
{
2008
	struct ieee80211_local *local = wiphy_priv(wiphy);
2009

2010
	if (!local->ops->sched_scan_stop)
2011 2012
		return -EOPNOTSUPP;

2013
	return ieee80211_request_sched_scan_stop(local);
2014 2015
}

2016 2017 2018
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
			  struct cfg80211_auth_request *req)
{
2019
	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2020 2021 2022 2023 2024
}

static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_assoc_request *req)
{
2025
	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2026 2027 2028
}

static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2029
			    struct cfg80211_deauth_request *req)
2030
{
2031
	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2032 2033 2034
}

static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2035
			      struct cfg80211_disassoc_request *req)
2036
{
2037
	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2038 2039
}

2040 2041 2042
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			       struct cfg80211_ibss_params *params)
{
J
Johannes Berg 已提交
2043
	return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2044 2045 2046 2047
}

static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
J
Johannes Berg 已提交
2048
	return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2049 2050
}

2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061
static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
			      struct ocb_setup *setup)
{
	return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
}

static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
{
	return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
}

2062 2063 2064 2065 2066
static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
				    int rate[IEEE80211_NUM_BANDS])
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

2067 2068
	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
	       sizeof(int) * IEEE80211_NUM_BANDS);
2069 2070 2071 2072

	return 0;
}

2073 2074 2075
static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2076
	int err;
2077

2078
	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
J
Johannes Berg 已提交
2079 2080
		ieee80211_check_fast_xmit_all(local);

2081 2082
		err = drv_set_frag_threshold(local, wiphy->frag_threshold);

J
Johannes Berg 已提交
2083 2084
		if (err) {
			ieee80211_check_fast_xmit_all(local);
2085
			return err;
J
Johannes Berg 已提交
2086
		}
2087 2088
	}

2089 2090 2091 2092 2093 2094 2095
	if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
	    (changed & WIPHY_PARAM_DYN_ACK)) {
		s16 coverage_class;

		coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
					wiphy->coverage_class : -1;
		err = drv_set_coverage_class(local, coverage_class);
2096 2097 2098 2099 2100

		if (err)
			return err;
	}

2101
	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2102
		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2103

2104 2105
		if (err)
			return err;
2106 2107
	}

2108 2109 2110
	if (changed & WIPHY_PARAM_RETRY_SHORT) {
		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2111
		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2112 2113 2114 2115
	}
	if (changed & WIPHY_PARAM_RETRY_LONG) {
		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
			return -EINVAL;
2116
		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2117
	}
2118 2119 2120 2121 2122 2123 2124
	if (changed &
	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);

	return 0;
}

2125
static int ieee80211_set_tx_power(struct wiphy *wiphy,
2126
				  struct wireless_dev *wdev,
2127
				  enum nl80211_tx_power_setting type, int mbm)
2128 2129
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2130
	struct ieee80211_sub_if_data *sdata;
2131 2132
	enum nl80211_tx_power_setting txp_type = type;
	bool update_txp_type = false;
2133

2134 2135 2136 2137 2138 2139
	if (wdev) {
		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

		switch (type) {
		case NL80211_TX_POWER_AUTOMATIC:
			sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2140
			txp_type = NL80211_TX_POWER_LIMITED;
2141 2142 2143 2144 2145 2146 2147 2148 2149
			break;
		case NL80211_TX_POWER_LIMITED:
		case NL80211_TX_POWER_FIXED:
			if (mbm < 0 || (mbm % 100))
				return -EOPNOTSUPP;
			sdata->user_power_level = MBM_TO_DBM(mbm);
			break;
		}

2150 2151 2152 2153 2154 2155
		if (txp_type != sdata->vif.bss_conf.txpower_type) {
			update_txp_type = true;
			sdata->vif.bss_conf.txpower_type = txp_type;
		}

		ieee80211_recalc_txpower(sdata, update_txp_type);
2156 2157 2158

		return 0;
	}
J
Johannes Berg 已提交
2159

2160
	switch (type) {
2161
	case NL80211_TX_POWER_AUTOMATIC:
2162
		local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2163
		txp_type = NL80211_TX_POWER_LIMITED;
2164
		break;
2165 2166 2167 2168 2169
	case NL80211_TX_POWER_LIMITED:
	case NL80211_TX_POWER_FIXED:
		if (mbm < 0 || (mbm % 100))
			return -EOPNOTSUPP;
		local->user_power_level = MBM_TO_DBM(mbm);
2170 2171 2172
		break;
	}

2173
	mutex_lock(&local->iflist_mtx);
2174
	list_for_each_entry(sdata, &local->interfaces, list) {
2175
		sdata->user_power_level = local->user_power_level;
2176 2177 2178 2179
		if (txp_type != sdata->vif.bss_conf.txpower_type)
			update_txp_type = true;
		sdata->vif.bss_conf.txpower_type = txp_type;
	}
2180
	list_for_each_entry(sdata, &local->interfaces, list)
2181
		ieee80211_recalc_txpower(sdata, update_txp_type);
2182
	mutex_unlock(&local->iflist_mtx);
2183 2184 2185 2186

	return 0;
}

2187 2188 2189
static int ieee80211_get_tx_power(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  int *dbm)
2190 2191
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2192
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2193

2194 2195 2196
	if (local->ops->get_txpower)
		return drv_get_txpower(local, sdata, dbm);

2197 2198 2199 2200
	if (!local->use_chanctx)
		*dbm = local->hw.conf.power_level;
	else
		*dbm = sdata->vif.bss_conf.txpower;
2201 2202 2203 2204

	return 0;
}

J
Johannes Berg 已提交
2205
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
J
Johannes Berg 已提交
2206
				  const u8 *addr)
J
Johannes Berg 已提交
2207 2208 2209 2210 2211 2212 2213 2214
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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

	return 0;
}

J
Johannes Berg 已提交
2215 2216 2217 2218 2219 2220 2221
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	drv_rfkill_poll(local);
}

2222
#ifdef CONFIG_NL80211_TESTMODE
2223 2224 2225
static int ieee80211_testmode_cmd(struct wiphy *wiphy,
				  struct wireless_dev *wdev,
				  void *data, int len)
2226 2227
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
2228
	struct ieee80211_vif *vif = NULL;
2229 2230 2231 2232

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

2233 2234 2235 2236 2237 2238 2239 2240 2241
	if (wdev) {
		struct ieee80211_sub_if_data *sdata;

		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
		if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
			vif = &sdata->vif;
	}

	return local->ops->testmode_cmd(&local->hw, vif, data, len);
2242
}
W
Wey-Yi Guy 已提交
2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255

static int ieee80211_testmode_dump(struct wiphy *wiphy,
				   struct sk_buff *skb,
				   struct netlink_callback *cb,
				   void *data, int len)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

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

	return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
}
2256 2257
#endif

2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285
int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
				enum ieee80211_smps_mode smps_mode)
{
	struct sta_info *sta;
	enum ieee80211_smps_mode old_req;

	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
		return -EINVAL;

	if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
		return 0;

	old_req = sdata->u.ap.req_smps;
	sdata->u.ap.req_smps = smps_mode;

	/* AUTOMATIC doesn't mean much for AP - don't allow it */
	if (old_req == smps_mode ||
	    smps_mode == IEEE80211_SMPS_AUTOMATIC)
		return 0;

	 /* If no associated stations, there's no need to do anything */
	if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
		sdata->smps_mode = smps_mode;
		ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
		return 0;
	}

	ht_dbg(sdata,
2286
	       "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2287 2288 2289
	       smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));

	mutex_lock(&sdata->local->sta_mtx);
2290 2291 2292 2293 2294 2295 2296
	list_for_each_entry(sta, &sdata->local->sta_list, list) {
		/*
		 * Only stations associated to our AP and
		 * associated VLANs
		 */
		if (sta->sdata->bss != &sdata->u.ap)
			continue;
2297

2298 2299 2300
		/* This station doesn't support MIMO - skip it */
		if (sta_info_tx_streams(sta) == 1)
			continue;
2301

2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312
		/*
		 * Don't wake up a STA just to send the action frame
		 * unless we are getting more restrictive.
		 */
		if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
		    !ieee80211_smps_is_restrictive(sta->known_smps_mode,
						   smps_mode)) {
			ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
			       sta->sta.addr);
			continue;
		}
2313

2314 2315 2316 2317 2318 2319
		/*
		 * If the STA is not authorized, wait until it gets
		 * authorized and the action frame will be sent then.
		 */
		if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			continue;
2320

2321 2322 2323
		ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
		ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
					   sdata->vif.bss_conf.bssid);
2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334
	}
	mutex_unlock(&sdata->local->sta_mtx);

	sdata->smps_mode = smps_mode;
	ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);

	return 0;
}

int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
				 enum ieee80211_smps_mode smps_mode)
2335 2336 2337 2338
{
	const u8 *ap;
	enum ieee80211_smps_mode old_req;
	int err;
2339 2340
	struct sta_info *sta;
	bool tdls_peer_found = false;
2341

2342
	lockdep_assert_held(&sdata->wdev.mtx);
2343

2344 2345 2346
	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
		return -EINVAL;

2347 2348 2349 2350 2351 2352 2353 2354 2355
	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
2356 2357
	 * association, there's no need to do anything, just store
	 * the new value until we associate.
2358 2359
	 */
	if (!sdata->u.mgd.associated ||
2360
	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2361 2362
		return 0;

2363
	ap = sdata->u.mgd.associated->bssid;
2364

2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375
	rcu_read_lock();
	list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
		if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
		    !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
			continue;

		tdls_peer_found = true;
		break;
	}
	rcu_read_unlock();

2376
	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2377
		if (tdls_peer_found || !sdata->u.mgd.powersave)
2378
			smps_mode = IEEE80211_SMPS_OFF;
2379 2380
		else
			smps_mode = IEEE80211_SMPS_DYNAMIC;
2381 2382 2383 2384 2385 2386 2387
	}

	/* 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;
2388 2389
	else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
		ieee80211_teardown_tdls_peers(sdata);
2390 2391 2392 2393

	return err;
}

J
Johannes Berg 已提交
2394 2395 2396 2397 2398 2399
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);

2400
	if (sdata->vif.type != NL80211_IFTYPE_STATION)
2401 2402
		return -EOPNOTSUPP;

2403
	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
J
Johannes Berg 已提交
2404 2405 2406
		return -EOPNOTSUPP;

	if (enabled == sdata->u.mgd.powersave &&
2407
	    timeout == local->dynamic_ps_forced_timeout)
J
Johannes Berg 已提交
2408 2409 2410
		return 0;

	sdata->u.mgd.powersave = enabled;
2411
	local->dynamic_ps_forced_timeout = timeout;
J
Johannes Berg 已提交
2412

2413
	/* no change, but if automatic follow powersave */
2414
	sdata_lock(sdata);
2415
	__ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2416
	sdata_unlock(sdata);
2417

2418
	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
J
Johannes Berg 已提交
2419 2420
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);

J
Johannes Berg 已提交
2421
	ieee80211_recalc_ps(local);
E
Eliad Peller 已提交
2422
	ieee80211_recalc_ps_vif(sdata);
J
Johannes Berg 已提交
2423 2424 2425 2426

	return 0;
}

2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438
static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
					 struct net_device *dev,
					 s32 rssi_thold, u32 rssi_hyst)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_vif *vif = &sdata->vif;
	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;

	if (rssi_thold == bss_conf->cqm_rssi_thold &&
	    rssi_hyst == bss_conf->cqm_rssi_hyst)
		return 0;

2439 2440 2441 2442
	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
	    !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
		return -EOPNOTSUPP;

2443 2444
	bss_conf->cqm_rssi_thold = rssi_thold;
	bss_conf->cqm_rssi_hyst = rssi_hyst;
2445
	sdata->u.mgd.last_cqm_event_signal = 0;
2446 2447

	/* tell the driver upon association, unless already associated */
2448 2449
	if (sdata->u.mgd.associated &&
	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2450 2451 2452 2453 2454
		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);

	return 0;
}

J
Johannes Berg 已提交
2455 2456 2457 2458 2459 2460 2461
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);
2462
	int i, ret;
2463

2464 2465 2466
	if (!ieee80211_sdata_running(sdata))
		return -ENETDOWN;

2467
	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2468 2469 2470 2471
		ret = drv_set_bitrate_mask(local, sdata, mask);
		if (ret)
			return ret;
	}
J
Johannes Berg 已提交
2472

2473
	for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2474 2475 2476
		struct ieee80211_supported_band *sband = wiphy->bands[i];
		int j;

2477
		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2478 2479
		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
		       sizeof(mask->control[i].ht_mcs));
2480 2481 2482
		memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
		       mask->control[i].vht_mcs,
		       sizeof(mask->control[i].vht_mcs));
2483 2484

		sdata->rc_has_mcs_mask[i] = false;
2485
		sdata->rc_has_vht_mcs_mask[i] = false;
2486 2487 2488
		if (!sband)
			continue;

2489
		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2490
			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2491
				sdata->rc_has_mcs_mask[i] = true;
2492 2493 2494
				break;
			}
		}
2495

2496 2497
		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2498
				sdata->rc_has_vht_mcs_mask[i] = true;
2499
				break;
2500
			}
2501
		}
2502
	}
J
Johannes Berg 已提交
2503

2504
	return 0;
J
Johannes Berg 已提交
2505 2506
}

2507 2508
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
					   struct net_device *dev,
2509 2510
					   struct cfg80211_chan_def *chandef,
					   u32 cac_time_ms)
2511 2512 2513 2514 2515
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	int err;

2516 2517 2518 2519 2520
	mutex_lock(&local->mtx);
	if (!list_empty(&local->roc_list) || local->scanning) {
		err = -EBUSY;
		goto out_unlock;
	}
2521 2522 2523 2524 2525 2526 2527 2528

	/* whatever, but channel contexts should not complain about that one */
	sdata->smps_mode = IEEE80211_SMPS_OFF;
	sdata->needed_rx_chains = local->rx_chains;

	err = ieee80211_vif_use_channel(sdata, chandef,
					IEEE80211_CHANCTX_SHARED);
	if (err)
2529
		goto out_unlock;
2530 2531

	ieee80211_queue_delayed_work(&sdata->local->hw,
2532 2533
				     &sdata->dfs_cac_timer_work,
				     msecs_to_jiffies(cac_time_ms));
2534

2535 2536 2537
 out_unlock:
	mutex_unlock(&local->mtx);
	return err;
2538 2539
}

2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595
static struct cfg80211_beacon_data *
cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
{
	struct cfg80211_beacon_data *new_beacon;
	u8 *pos;
	int len;

	len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
	      beacon->proberesp_ies_len + beacon->assocresp_ies_len +
	      beacon->probe_resp_len;

	new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
	if (!new_beacon)
		return NULL;

	pos = (u8 *)(new_beacon + 1);
	if (beacon->head_len) {
		new_beacon->head_len = beacon->head_len;
		new_beacon->head = pos;
		memcpy(pos, beacon->head, beacon->head_len);
		pos += beacon->head_len;
	}
	if (beacon->tail_len) {
		new_beacon->tail_len = beacon->tail_len;
		new_beacon->tail = pos;
		memcpy(pos, beacon->tail, beacon->tail_len);
		pos += beacon->tail_len;
	}
	if (beacon->beacon_ies_len) {
		new_beacon->beacon_ies_len = beacon->beacon_ies_len;
		new_beacon->beacon_ies = pos;
		memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
		pos += beacon->beacon_ies_len;
	}
	if (beacon->proberesp_ies_len) {
		new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
		new_beacon->proberesp_ies = pos;
		memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
		pos += beacon->proberesp_ies_len;
	}
	if (beacon->assocresp_ies_len) {
		new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
		new_beacon->assocresp_ies = pos;
		memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
		pos += beacon->assocresp_ies_len;
	}
	if (beacon->probe_resp_len) {
		new_beacon->probe_resp_len = beacon->probe_resp_len;
		beacon->probe_resp = pos;
		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
		pos += beacon->probe_resp_len;
	}

	return new_beacon;
}

2596
void ieee80211_csa_finish(struct ieee80211_vif *vif)
2597
{
2598
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2599

2600 2601 2602 2603
	ieee80211_queue_work(&sdata->local->hw,
			     &sdata->csa_finalize_work);
}
EXPORT_SYMBOL(ieee80211_csa_finish);
2604

2605 2606
static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
					  u32 *changed)
2607
{
2608
	int err;
2609

2610 2611
	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
2612 2613
		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
					      NULL);
2614 2615 2616
		kfree(sdata->u.ap.next_beacon);
		sdata->u.ap.next_beacon = NULL;

2617
		if (err < 0)
2618 2619
			return err;
		*changed |= err;
2620 2621
		break;
	case NL80211_IFTYPE_ADHOC:
2622 2623
		err = ieee80211_ibss_finish_csa(sdata);
		if (err < 0)
2624 2625
			return err;
		*changed |= err;
2626
		break;
2627 2628 2629 2630
#ifdef CONFIG_MAC80211_MESH
	case NL80211_IFTYPE_MESH_POINT:
		err = ieee80211_mesh_finish_csa(sdata);
		if (err < 0)
2631 2632
			return err;
		*changed |= err;
2633 2634
		break;
#endif
2635 2636
	default:
		WARN_ON(1);
2637 2638 2639 2640 2641 2642
		return -EINVAL;
	}

	return 0;
}

2643
static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2644 2645 2646 2647 2648 2649 2650
{
	struct ieee80211_local *local = sdata->local;
	u32 changed = 0;
	int err;

	sdata_assert_lock(sdata);
	lockdep_assert_held(&local->mtx);
2651
	lockdep_assert_held(&local->chanctx_mtx);
2652

2653 2654 2655 2656 2657 2658
	/*
	 * using reservation isn't immediate as it may be deferred until later
	 * with multi-vif. once reservation is complete it will re-schedule the
	 * work with no reserved_chanctx so verify chandef to check if it
	 * completed successfully
	 */
2659

2660 2661 2662 2663 2664 2665 2666 2667 2668
	if (sdata->reserved_chanctx) {
		/*
		 * with multi-vif csa driver may call ieee80211_csa_finish()
		 * many times while waiting for other interfaces to use their
		 * reservations
		 */
		if (sdata->reserved_ready)
			return 0;

2669
		return ieee80211_vif_use_reserved_context(sdata);
2670
	}
2671

2672 2673 2674 2675
	if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
					&sdata->csa_chandef))
		return -EINVAL;

2676 2677 2678 2679
	sdata->vif.csa_active = false;

	err = ieee80211_set_after_csa_beacon(sdata, &changed);
	if (err)
2680
		return err;
2681

2682
	ieee80211_bss_info_change_notify(sdata, changed);
2683

2684 2685 2686 2687 2688
	if (sdata->csa_block_tx) {
		ieee80211_wake_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
		sdata->csa_block_tx = false;
	}
2689

2690 2691 2692 2693 2694 2695
	err = drv_post_channel_switch(sdata);
	if (err)
		return err;

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

2696 2697 2698 2699 2700 2701 2702 2703 2704 2705
	return 0;
}

static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
{
	if (__ieee80211_csa_finalize(sdata)) {
		sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
		cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
				    GFP_KERNEL);
	}
2706 2707 2708 2709 2710 2711 2712
}

void ieee80211_csa_finalize_work(struct work_struct *work)
{
	struct ieee80211_sub_if_data *sdata =
		container_of(work, struct ieee80211_sub_if_data,
			     csa_finalize_work);
2713
	struct ieee80211_local *local = sdata->local;
2714 2715

	sdata_lock(sdata);
2716
	mutex_lock(&local->mtx);
2717
	mutex_lock(&local->chanctx_mtx);
2718

2719 2720 2721 2722 2723 2724 2725 2726
	/* AP might have been stopped while waiting for the lock. */
	if (!sdata->vif.csa_active)
		goto unlock;

	if (!ieee80211_sdata_running(sdata))
		goto unlock;

	ieee80211_csa_finalize(sdata);
2727 2728

unlock:
2729
	mutex_unlock(&local->chanctx_mtx);
2730
	mutex_unlock(&local->mtx);
2731
	sdata_unlock(sdata);
2732 2733
}

2734 2735 2736
static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
				    struct cfg80211_csa_settings *params,
				    u32 *changed)
2737
{
2738
	struct ieee80211_csa_settings csa = {};
2739
	int err;
2740 2741 2742

	switch (sdata->vif.type) {
	case NL80211_IFTYPE_AP:
2743 2744 2745 2746 2747
		sdata->u.ap.next_beacon =
			cfg80211_beacon_dup(&params->beacon_after);
		if (!sdata->u.ap.next_beacon)
			return -ENOMEM;

2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766
		/*
		 * With a count of 0, we don't have to wait for any
		 * TBTT before switching, so complete the CSA
		 * immediately.  In theory, with a count == 1 we
		 * should delay the switch until just before the next
		 * TBTT, but that would complicate things so we switch
		 * immediately too.  If we would delay the switch
		 * until the next TBTT, we would have to set the probe
		 * response here.
		 *
		 * TODO: A channel switch with count <= 1 without
		 * sending a CSA action frame is kind of useless,
		 * because the clients won't know we're changing
		 * channels.  The action frame must be implemented
		 * either here or in the userspace.
		 */
		if (params->count <= 1)
			break;

2767 2768 2769 2770 2771
		if ((params->n_counter_offsets_beacon >
		     IEEE80211_MAX_CSA_COUNTERS_NUM) ||
		    (params->n_counter_offsets_presp >
		     IEEE80211_MAX_CSA_COUNTERS_NUM))
			return -EINVAL;
2772

2773 2774 2775 2776 2777
		csa.counter_offsets_beacon = params->counter_offsets_beacon;
		csa.counter_offsets_presp = params->counter_offsets_presp;
		csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
		csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
		csa.count = params->count;
2778

2779
		err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
2780 2781 2782 2783
		if (err < 0) {
			kfree(sdata->u.ap.next_beacon);
			return err;
		}
2784
		*changed |= err;
2785

2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812
		break;
	case NL80211_IFTYPE_ADHOC:
		if (!sdata->vif.bss_conf.ibss_joined)
			return -EINVAL;

		if (params->chandef.width != sdata->u.ibss.chandef.width)
			return -EINVAL;

		switch (params->chandef.width) {
		case NL80211_CHAN_WIDTH_40:
			if (cfg80211_get_chandef_type(&params->chandef) !=
			    cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
				return -EINVAL;
		case NL80211_CHAN_WIDTH_5:
		case NL80211_CHAN_WIDTH_10:
		case NL80211_CHAN_WIDTH_20_NOHT:
		case NL80211_CHAN_WIDTH_20:
			break;
		default:
			return -EINVAL;
		}

		/* changes into another band are not supported */
		if (sdata->u.ibss.chandef.chan->band !=
		    params->chandef.chan->band)
			return -EINVAL;

2813 2814 2815 2816 2817
		/* see comments in the NL80211_IFTYPE_AP block */
		if (params->count > 1) {
			err = ieee80211_ibss_csa_beacon(sdata, params);
			if (err < 0)
				return err;
2818
			*changed |= err;
2819 2820 2821 2822
		}

		ieee80211_send_action_csa(sdata, params);

2823
		break;
2824
#ifdef CONFIG_MAC80211_MESH
2825 2826
	case NL80211_IFTYPE_MESH_POINT: {
		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2827 2828 2829 2830 2831 2832 2833 2834 2835

		if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
			return -EINVAL;

		/* changes into another band are not supported */
		if (sdata->vif.bss_conf.chandef.chan->band !=
		    params->chandef.chan->band)
			return -EINVAL;

2836
		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
2837
			ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
2838 2839 2840 2841 2842
			if (!ifmsh->pre_value)
				ifmsh->pre_value = 1;
			else
				ifmsh->pre_value++;
		}
2843

2844 2845 2846 2847 2848 2849 2850
		/* see comments in the NL80211_IFTYPE_AP block */
		if (params->count > 1) {
			err = ieee80211_mesh_csa_beacon(sdata, params);
			if (err < 0) {
				ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
				return err;
			}
2851
			*changed |= err;
2852
		}
2853 2854 2855 2856

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

2857
		break;
2858
		}
2859
#endif
2860 2861 2862 2863
	default:
		return -EOPNOTSUPP;
	}

2864 2865 2866
	return 0;
}

2867 2868 2869
static int
__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_csa_settings *params)
2870 2871 2872
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
2873
	struct ieee80211_channel_switch ch_switch;
2874
	struct ieee80211_chanctx_conf *conf;
2875
	struct ieee80211_chanctx *chanctx;
2876 2877
	u32 changed = 0;
	int err;
2878 2879

	sdata_assert_lock(sdata);
2880
	lockdep_assert_held(&local->mtx);
2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891

	if (!list_empty(&local->roc_list) || local->scanning)
		return -EBUSY;

	if (sdata->wdev.cac_started)
		return -EBUSY;

	if (cfg80211_chandef_identical(&params->chandef,
				       &sdata->vif.bss_conf.chandef))
		return -EINVAL;

2892 2893 2894 2895
	/* don't allow another channel switch if one is already active. */
	if (sdata->vif.csa_active)
		return -EBUSY;

2896 2897 2898 2899
	mutex_lock(&local->chanctx_mtx);
	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
					 lockdep_is_held(&local->chanctx_mtx));
	if (!conf) {
2900 2901
		err = -EBUSY;
		goto out;
2902 2903
	}

2904
	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
2905 2906 2907
	if (!chanctx) {
		err = -EBUSY;
		goto out;
2908 2909
	}

2910 2911 2912 2913 2914 2915
	ch_switch.timestamp = 0;
	ch_switch.device_timestamp = 0;
	ch_switch.block_tx = params->block_tx;
	ch_switch.chandef = params->chandef;
	ch_switch.count = params->count;

2916 2917 2918 2919
	err = drv_pre_channel_switch(sdata, &ch_switch);
	if (err)
		goto out;

2920 2921 2922 2923 2924
	err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
					    chanctx->mode,
					    params->radar_required);
	if (err)
		goto out;
2925

2926 2927 2928 2929 2930 2931
	/* if reservation is invalid then this will fail */
	err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
	if (err) {
		ieee80211_vif_unreserve_chanctx(sdata);
		goto out;
	}
2932 2933

	err = ieee80211_set_csa_beacon(sdata, params, &changed);
2934 2935 2936 2937
	if (err) {
		ieee80211_vif_unreserve_chanctx(sdata);
		goto out;
	}
2938

2939
	sdata->csa_chandef = params->chandef;
2940
	sdata->csa_block_tx = params->block_tx;
2941 2942
	sdata->vif.csa_active = true;

2943
	if (sdata->csa_block_tx)
2944 2945
		ieee80211_stop_vif_queues(local, sdata,
					  IEEE80211_QUEUE_STOP_REASON_CSA);
2946

2947 2948 2949
	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
					  params->count);

2950 2951 2952 2953 2954 2955 2956
	if (changed) {
		ieee80211_bss_info_change_notify(sdata, changed);
		drv_channel_switch_beacon(sdata, &params->chandef);
	} else {
		/* if the beacon didn't change, we can finalize immediately */
		ieee80211_csa_finalize(sdata);
	}
2957

2958 2959 2960
out:
	mutex_unlock(&local->chanctx_mtx);
	return err;
2961 2962
}

2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976
int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
			     struct cfg80211_csa_settings *params)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	int err;

	mutex_lock(&local->mtx);
	err = __ieee80211_channel_switch(wiphy, dev, params);
	mutex_unlock(&local->mtx);

	return err;
}

2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992
u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
{
	lockdep_assert_held(&local->mtx);

	local->roc_cookie_counter++;

	/* wow, you wrapped 64 bits ... more likely a bug */
	if (WARN_ON(local->roc_cookie_counter == 0))
		local->roc_cookie_counter++;

	return local->roc_cookie_counter;
}

struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local,
				       struct sk_buff *skb, u64 *cookie,
				       gfp_t gfp)
2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019
{
	unsigned long spin_flags;
	struct sk_buff *ack_skb;
	int id;

	ack_skb = skb_copy(skb, gfp);
	if (!ack_skb)
		return ERR_PTR(-ENOMEM);

	spin_lock_irqsave(&local->ack_status_lock, spin_flags);
	id = idr_alloc(&local->ack_status_frames, ack_skb,
		       1, 0x10000, GFP_ATOMIC);
	spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);

	if (id < 0) {
		kfree_skb(ack_skb);
		return ERR_PTR(-ENOMEM);
	}

	IEEE80211_SKB_CB(skb)->ack_frame_id = id;

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

	return ack_skb;
}

3020
static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3021
					  struct wireless_dev *wdev,
3022 3023 3024
					  u16 frame_type, bool reg)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
3025
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3026

3027 3028
	switch (frame_type) {
	case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3029
		if (reg) {
3030
			local->probe_req_reg++;
3031 3032 3033 3034 3035 3036 3037 3038
			sdata->vif.probe_req_reg++;
		} else {
			if (local->probe_req_reg)
				local->probe_req_reg--;

			if (sdata->vif.probe_req_reg)
				sdata->vif.probe_req_reg--;
		}
3039

3040 3041 3042
		if (!local->open_count)
			break;

3043 3044 3045 3046 3047 3048 3049 3050
		if (sdata->vif.probe_req_reg == 1)
			drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
						FIF_PROBE_REQ);
		else if (sdata->vif.probe_req_reg == 0)
			drv_config_iface_filter(local, sdata, 0,
						FIF_PROBE_REQ);

		ieee80211_configure_filter(local);
3051 3052 3053 3054
		break;
	default:
		break;
	}
3055 3056
}

3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073
static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	if (local->started)
		return -EOPNOTSUPP;

	return drv_set_antenna(local, tx_ant, rx_ant);
}

static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);

	return drv_get_antenna(local, tx_ant, rx_ant);
}

3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088
static int ieee80211_set_rekey_data(struct wiphy *wiphy,
				    struct net_device *dev,
				    struct cfg80211_gtk_rekey_data *data)
{
	struct ieee80211_local *local = wiphy_priv(wiphy);
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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

	drv_set_rekey_data(local, sdata, data);

	return 0;
}

J
Johannes Berg 已提交
3089 3090 3091 3092 3093 3094
static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *peer, u64 *cookie)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	struct ieee80211_qos_hdr *nullfunc;
3095
	struct sk_buff *skb, *ack_skb;
J
Johannes Berg 已提交
3096 3097 3098 3099 3100
	int size = sizeof(*nullfunc);
	__le16 fc;
	bool qos;
	struct ieee80211_tx_info *info;
	struct sta_info *sta;
J
Johannes Berg 已提交
3101 3102
	struct ieee80211_chanctx_conf *chanctx_conf;
	enum ieee80211_band band;
3103 3104 3105 3106
	int ret;

	/* the lock is needed to assign the cookie later */
	mutex_lock(&local->mtx);
J
Johannes Berg 已提交
3107 3108

	rcu_read_lock();
J
Johannes Berg 已提交
3109 3110
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (WARN_ON(!chanctx_conf)) {
3111 3112
		ret = -EINVAL;
		goto unlock;
J
Johannes Berg 已提交
3113
	}
3114
	band = chanctx_conf->def.chan->band;
3115
	sta = sta_info_get_bss(sdata, peer);
3116
	if (sta) {
3117
		qos = sta->sta.wme;
3118
	} else {
3119 3120
		ret = -ENOLINK;
		goto unlock;
3121
	}
J
Johannes Berg 已提交
3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134

	if (qos) {
		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
				 IEEE80211_STYPE_QOS_NULLFUNC |
				 IEEE80211_FCTL_FROMDS);
	} else {
		size -= 2;
		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
				 IEEE80211_STYPE_NULLFUNC |
				 IEEE80211_FCTL_FROMDS);
	}

	skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
J
Johannes Berg 已提交
3135
	if (!skb) {
3136 3137
		ret = -ENOMEM;
		goto unlock;
J
Johannes Berg 已提交
3138
	}
J
Johannes Berg 已提交
3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155

	skb->dev = dev;

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

	nullfunc = (void *) skb_put(skb, size);
	nullfunc->frame_control = fc;
	nullfunc->duration_id = 0;
	memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
	memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
	memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
	nullfunc->seq_ctrl = 0;

	info = IEEE80211_SKB_CB(skb);

	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
		       IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3156
	info->band = band;
J
Johannes Berg 已提交
3157 3158 3159 3160 3161 3162

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

3163 3164 3165 3166 3167 3168 3169
	ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC);
	if (IS_ERR(ack_skb)) {
		kfree_skb(skb);
		ret = PTR_ERR(ack_skb);
		goto unlock;
	}

J
Johannes Berg 已提交
3170
	local_bh_disable();
3171
	ieee80211_xmit(sdata, sta, skb);
J
Johannes Berg 已提交
3172
	local_bh_enable();
3173 3174 3175

	ret = 0;
unlock:
J
Johannes Berg 已提交
3176
	rcu_read_unlock();
3177
	mutex_unlock(&local->mtx);
J
Johannes Berg 已提交
3178

3179
	return ret;
J
Johannes Berg 已提交
3180 3181
}

3182 3183 3184
static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     struct cfg80211_chan_def *chandef)
3185
{
J
Johannes Berg 已提交
3186
	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3187
	struct ieee80211_local *local = wiphy_priv(wiphy);
J
Johannes Berg 已提交
3188
	struct ieee80211_chanctx_conf *chanctx_conf;
3189
	int ret = -ENODATA;
J
Johannes Berg 已提交
3190 3191

	rcu_read_lock();
3192 3193
	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
	if (chanctx_conf) {
3194
		*chandef = sdata->vif.bss_conf.chandef;
3195 3196 3197 3198 3199 3200 3201
		ret = 0;
	} else if (local->open_count > 0 &&
		   local->open_count == local->monitors &&
		   sdata->vif.type == NL80211_IFTYPE_MONITOR) {
		if (local->use_chanctx)
			*chandef = local->monitor_chandef;
		else
3202
			*chandef = local->_oper_chandef;
3203
		ret = 0;
J
Johannes Berg 已提交
3204 3205
	}
	rcu_read_unlock();
3206

3207
	return ret;
3208 3209
}

3210 3211 3212 3213 3214 3215 3216
#ifdef CONFIG_PM
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
{
	drv_set_wakeup(wiphy_priv(wiphy), enabled);
}
#endif

3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233
static int ieee80211_set_qos_map(struct wiphy *wiphy,
				 struct net_device *dev,
				 struct cfg80211_qos_map *qos_map)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct mac80211_qos_map *new_qos_map, *old_qos_map;

	if (qos_map) {
		new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
		if (!new_qos_map)
			return -ENOMEM;
		memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
	} else {
		/* A NULL qos_map was passed to disable QoS mapping */
		new_qos_map = NULL;
	}

3234
	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3235 3236 3237 3238 3239 3240 3241
	rcu_assign_pointer(sdata->qos_map, new_qos_map);
	if (old_qos_map)
		kfree_rcu(old_qos_map, rcu_head);

	return 0;
}

3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256
static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
				      struct net_device *dev,
				      struct cfg80211_chan_def *chandef)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	int ret;
	u32 changed = 0;

	ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
	if (ret == 0)
		ieee80211_bss_info_change_notify(sdata, changed);

	return ret;
}

3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308
static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
			       u8 tsid, const u8 *peer, u8 up,
			       u16 admitted_time)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
	int ac = ieee802_1d_to_ac[up];

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

	if (!(sdata->wmm_acm & BIT(up)))
		return -EINVAL;

	if (ifmgd->tx_tspec[ac].admitted_time)
		return -EBUSY;

	if (admitted_time) {
		ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
		ifmgd->tx_tspec[ac].tsid = tsid;
		ifmgd->tx_tspec[ac].up = up;
	}

	return 0;
}

static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
			       u8 tsid, const u8 *peer)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
	struct ieee80211_local *local = wiphy_priv(wiphy);
	int ac;

	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
		struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];

		/* skip unused entries */
		if (!tx_tspec->admitted_time)
			continue;

		if (tx_tspec->tsid != tsid)
			continue;

		/* due to this new packets will be reassigned to non-ACM ACs */
		tx_tspec->up = -1;

		/* Make sure that all packets have been sent to avoid to
		 * restore the QoS params on packets that are still on the
		 * queues.
		 */
		synchronize_net();
3309
		ieee80211_flush_queues(local, sdata, false);
3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326

		/* restore the normal QoS parameters
		 * (unconditionally to avoid races)
		 */
		tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
		tx_tspec->downgraded = false;
		ieee80211_sta_handle_tspec_ac_params(sdata);

		/* finally clear all the data */
		memset(tx_tspec, 0, sizeof(*tx_tspec));

		return 0;
	}

	return -ENOENT;
}

3327
const struct cfg80211_ops mac80211_config_ops = {
3328 3329
	.add_virtual_intf = ieee80211_add_iface,
	.del_virtual_intf = ieee80211_del_iface,
3330
	.change_virtual_intf = ieee80211_change_iface,
3331 3332
	.start_p2p_device = ieee80211_start_p2p_device,
	.stop_p2p_device = ieee80211_stop_p2p_device,
3333 3334
	.add_key = ieee80211_add_key,
	.del_key = ieee80211_del_key,
3335
	.get_key = ieee80211_get_key,
3336
	.set_default_key = ieee80211_config_default_key,
3337
	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3338 3339 3340
	.start_ap = ieee80211_start_ap,
	.change_beacon = ieee80211_change_beacon,
	.stop_ap = ieee80211_stop_ap,
3341 3342 3343
	.add_station = ieee80211_add_station,
	.del_station = ieee80211_del_station,
	.change_station = ieee80211_change_station,
3344
	.get_station = ieee80211_get_station,
3345
	.dump_station = ieee80211_dump_station,
3346
	.dump_survey = ieee80211_dump_survey,
3347 3348 3349 3350 3351 3352
#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,
3353 3354
	.get_mpp = ieee80211_get_mpp,
	.dump_mpp = ieee80211_dump_mpp,
3355 3356
	.update_mesh_config = ieee80211_update_mesh_config,
	.get_mesh_config = ieee80211_get_mesh_config,
3357 3358
	.join_mesh = ieee80211_join_mesh,
	.leave_mesh = ieee80211_leave_mesh,
3359
#endif
3360 3361
	.join_ocb = ieee80211_join_ocb,
	.leave_ocb = ieee80211_leave_ocb,
3362
	.change_bss = ieee80211_change_bss,
3363
	.set_txq_params = ieee80211_set_txq_params,
3364
	.set_monitor_channel = ieee80211_set_monitor_channel,
3365 3366
	.suspend = ieee80211_suspend,
	.resume = ieee80211_resume,
3367
	.scan = ieee80211_scan,
3368
	.abort_scan = ieee80211_abort_scan,
3369 3370
	.sched_scan_start = ieee80211_sched_scan_start,
	.sched_scan_stop = ieee80211_sched_scan_stop,
3371 3372 3373 3374
	.auth = ieee80211_auth,
	.assoc = ieee80211_assoc,
	.deauth = ieee80211_deauth,
	.disassoc = ieee80211_disassoc,
3375 3376
	.join_ibss = ieee80211_join_ibss,
	.leave_ibss = ieee80211_leave_ibss,
3377
	.set_mcast_rate = ieee80211_set_mcast_rate,
3378
	.set_wiphy_params = ieee80211_set_wiphy_params,
3379 3380
	.set_tx_power = ieee80211_set_tx_power,
	.get_tx_power = ieee80211_get_tx_power,
J
Johannes Berg 已提交
3381
	.set_wds_peer = ieee80211_set_wds_peer,
J
Johannes Berg 已提交
3382
	.rfkill_poll = ieee80211_rfkill_poll,
3383
	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
W
Wey-Yi Guy 已提交
3384
	CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
J
Johannes Berg 已提交
3385
	.set_power_mgmt = ieee80211_set_power_mgmt,
J
Johannes Berg 已提交
3386
	.set_bitrate_mask = ieee80211_set_bitrate_mask,
3387 3388
	.remain_on_channel = ieee80211_remain_on_channel,
	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3389
	.mgmt_tx = ieee80211_mgmt_tx,
3390
	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3391
	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3392
	.mgmt_frame_register = ieee80211_mgmt_frame_register,
3393 3394
	.set_antenna = ieee80211_set_antenna,
	.get_antenna = ieee80211_get_antenna,
3395
	.set_rekey_data = ieee80211_set_rekey_data,
3396 3397
	.tdls_oper = ieee80211_tdls_oper,
	.tdls_mgmt = ieee80211_tdls_mgmt,
3398 3399
	.tdls_channel_switch = ieee80211_tdls_channel_switch,
	.tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
J
Johannes Berg 已提交
3400
	.probe_client = ieee80211_probe_client,
3401
	.set_noack_map = ieee80211_set_noack_map,
3402 3403 3404
#ifdef CONFIG_PM
	.set_wakeup = ieee80211_set_wakeup,
#endif
3405
	.get_channel = ieee80211_cfg_get_channel,
3406
	.start_radar_detection = ieee80211_start_radar_detection,
3407
	.channel_switch = ieee80211_channel_switch,
3408
	.set_qos_map = ieee80211_set_qos_map,
3409
	.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3410 3411
	.add_tx_ts = ieee80211_add_tx_ts,
	.del_tx_ts = ieee80211_del_tx_ts,
3412
};