cregit-Linux how code gets into the kernel

Release 4.11 net/wireless/nl80211.c

Directory: net/wireless
/*
 * This is the new netlink-based wireless configuration interface.
 *
 * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>
 * Copyright 2013-2014  Intel Mobile Communications GmbH
 * Copyright 2015-2017  Intel Deutschland GmbH
 */

#include <linux/if.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/if_ether.h>
#include <linux/ieee80211.h>
#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
#include <linux/netlink.h>
#include <linux/etherdevice.h>
#include <net/net_namespace.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
#include <net/sock.h>
#include <net/inet_connection_sock.h>
#include "core.h"
#include "nl80211.h"
#include "reg.h"
#include "rdev-ops.h"

static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
				   struct genl_info *info,
				   struct cfg80211_crypto_settings *settings,
				   int cipher_limit);

/* the netlink family */

static struct genl_family nl80211_fam;

/* multicast groups */

enum nl80211_multicast_groups {
	
NL80211_MCGRP_CONFIG,
	
NL80211_MCGRP_SCAN,
	
NL80211_MCGRP_REGULATORY,
	
NL80211_MCGRP_MLME,
	
NL80211_MCGRP_VENDOR,
	
NL80211_MCGRP_NAN,
	
NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
};


static const struct genl_multicast_group nl80211_mcgrps[] = {
	[NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
	[NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
	[NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
	[NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
	[NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
	[NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
#ifdef CONFIG_NL80211_TESTMODE
	[NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
#endif
};

/* returns ERR_PTR values */


static struct wireless_dev *

__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
{
	struct cfg80211_registered_device *rdev;
	struct wireless_dev *result = NULL;
	bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
	bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
	u64 wdev_id;
	int wiphy_idx = -1;
	int ifidx = -1;

	ASSERT_RTNL();

	if (!have_ifidx && !have_wdev_id)
		return ERR_PTR(-EINVAL);

	if (have_ifidx)
		ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
	if (have_wdev_id) {
		wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
		wiphy_idx = wdev_id >> 32;
	}

	list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
		struct wireless_dev *wdev;

		if (wiphy_net(&rdev->wiphy) != netns)
			continue;

		if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
			continue;

		list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
			if (have_ifidx && wdev->netdev &&
			    wdev->netdev->ifindex == ifidx) {
				result = wdev;
				break;
			}
			if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
				result = wdev;
				break;
			}
		}

		if (result)
			break;
	}

	if (result)
		return result;
	return ERR_PTR(-ENODEV);
}


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static struct cfg80211_registered_device *

__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
{
	struct cfg80211_registered_device *rdev = NULL, *tmp;
	struct net_device *netdev;

	ASSERT_RTNL();

	if (!attrs[NL80211_ATTR_WIPHY] &&
	    !attrs[NL80211_ATTR_IFINDEX] &&
	    !attrs[NL80211_ATTR_WDEV])
		return ERR_PTR(-EINVAL);

	if (attrs[NL80211_ATTR_WIPHY])
		rdev = cfg80211_rdev_by_wiphy_idx(
				nla_get_u32(attrs[NL80211_ATTR_WIPHY]));

	if (attrs[NL80211_ATTR_WDEV]) {
		u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
		struct wireless_dev *wdev;
		bool found = false;

		tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
		if (tmp) {
			/* make sure wdev exists */
			list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
				if (wdev->identifier != (u32)wdev_id)
					continue;
				found = true;
				break;
			}

			if (!found)
				tmp = NULL;

			if (rdev && tmp != rdev)
				return ERR_PTR(-EINVAL);
			rdev = tmp;
		}
	}

	if (attrs[NL80211_ATTR_IFINDEX]) {
		int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);

		netdev = __dev_get_by_index(netns, ifindex);
		if (netdev) {
			if (netdev->ieee80211_ptr)
				tmp = wiphy_to_rdev(
					netdev->ieee80211_ptr->wiphy);
			else
				tmp = NULL;

			/* not wireless device -- return error */
			if (!tmp)
				return ERR_PTR(-EINVAL);

			/* mismatch -- return error */
			if (rdev && tmp != rdev)
				return ERR_PTR(-EINVAL);

			rdev = tmp;
		}
	}

	if (!rdev)
		return ERR_PTR(-ENODEV);

	if (netns != wiphy_net(&rdev->wiphy))
		return ERR_PTR(-ENODEV);

	return rdev;
}


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/*
 * This function returns a pointer to the driver
 * that the genl_info item that is passed refers to.
 *
 * The result of this can be a PTR_ERR and hence must
 * be checked with IS_ERR() for errors.
 */


static struct cfg80211_registered_device *

cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
{
	return __cfg80211_rdev_from_attrs(netns, info->attrs);
}


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/* policy for the attributes */

static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
	[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
				      .len = 20-1 },
	[NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },

	[NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
	[NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
	[NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
	[NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },

	[NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
	[NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
	[NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
	[NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },

	[NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
	[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
	[NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },

	[NL80211_ATTR_MAC] = { .len = ETH_ALEN },
	[NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },

	[NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
	[NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
				    .len = WLAN_MAX_KEY_LEN },
	[NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
	[NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
	[NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
	[NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
	[NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },

	[NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
	[NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
	[NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
				       .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
				       .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
	[NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
	[NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
	[NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
					       .len = NL80211_MAX_SUPP_RATES },
	[NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
	[NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
	[NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
	[NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
				   .len = IEEE80211_MAX_MESH_ID_LEN },
	[NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },

	[NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
	[NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },

	[NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
	[NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
	[NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
	[NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
					   .len = NL80211_MAX_SUPP_RATES },
	[NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },

	[NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
	[NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },

	[NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },

	[NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
	[NL80211_ATTR_IE] = { .type = NLA_BINARY,
			      .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
	[NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },

	[NL80211_ATTR_SSID] = { .type = NLA_BINARY,
				.len = IEEE80211_MAX_SSID_LEN },
	[NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
	[NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
	[NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
	[NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
	[NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
	[NL80211_ATTR_STA_FLAGS2] = {
		.len = sizeof(struct nl80211_sta_flag_update),
        },
	[NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
	[NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
	[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
	[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
	[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
	[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
	[NL80211_ATTR_PID] = { .type = NLA_U32 },
	[NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
	[NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
				 .len = WLAN_PMKID_LEN },
	[NL80211_ATTR_DURATION] = { .type = NLA_U32 },
	[NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
	[NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
	[NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
				 .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
	[NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
	[NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
	[NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
	[NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
	[NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
	[NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
	[NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
	[NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
	[NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
	[NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
	[NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
	[NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
	[NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
	[NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
	[NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
	[NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
	[NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
					 .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
					 .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
	[NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
	[NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
	[NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
	[NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
	[NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
	[NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
	[NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
	[NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
	[NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
	[NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
				      .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
	[NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
	[NL80211_ATTR_HT_CAPABILITY_MASK] = {
		.len = NL80211_HT_CAPABILITY_LEN
	},
	[NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
	[NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
	[NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
	[NL80211_ATTR_WDEV] = { .type = NLA_U64 },
	[NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
	[NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
	[NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
	[NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
	[NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
	[NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
	[NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
	[NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
	[NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
	[NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
	[NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
	[NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
	[NL80211_ATTR_VHT_CAPABILITY_MASK] = {
		.len = NL80211_VHT_CAPABILITY_LEN,
        },
	[NL80211_ATTR_MDID] = { .type = NLA_U16 },
	[NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
				  .len = IEEE80211_MAX_DATA_LEN },
	[NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
	[NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
	[NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
	[NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
	[NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
	[NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
	[NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
	[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
	[NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
	[NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
	[NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
	[NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
	[NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
	[NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
				   .len = IEEE80211_QOS_MAP_LEN_MAX },
	[NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
	[NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
	[NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
	[NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
	[NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
	[NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
	[NL80211_ATTR_TSID] = { .type = NLA_U8 },
	[NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 },
	[NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
	[NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
	[NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
	[NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
	[NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
	[NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
	[NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
	[NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
	[NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
	[NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 },
	[NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
		.len = VHT_MUMIMO_GROUPS_DATA_LEN
	},
	[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN },
	[NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 },
	[NL80211_ATTR_BANDS] = { .type = NLA_U32 },
	[NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
	[NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
				    .len = FILS_MAX_KEK_LEN },
	[NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN },
	[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
	[NL80211_ATTR_BSSID] = { .len = ETH_ALEN },
	[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
	[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
		.len = sizeof(struct nl80211_bss_select_rssi_adjust)
	},
	[NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
};

/* policy for the key attributes */

static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
	[NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
	[NL80211_KEY_IDX] = { .type = NLA_U8 },
	[NL80211_KEY_CIPHER] = { .type = NLA_U32 },
	[NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
	[NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
	[NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
	[NL80211_KEY_TYPE] = { .type = NLA_U32 },
	[NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
};

/* policy for the key default flags */
static const struct nla_policy

nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
	[NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
	[NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
};

#ifdef CONFIG_PM
/* policy for WoWLAN attributes */
static const struct nla_policy

nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
	[NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
	[NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
	[NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
	[NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
	[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
	[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
	[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
	[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
	[NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
	[NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
};

static const struct nla_policy

nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
	[NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
	[NL80211_WOWLAN_TCP_DST_IPV4]