[mirror_ubuntu-zesty-kernel.git] / net / wireless / mlme.c

/*
 * cfg80211 MLME SAP interface
 *
 * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/nl80211.h>
#include <net/cfg80211.h>
#include "core.h"
#include "nl80211.h"

void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
	nl80211_send_rx_auth(rdev, dev, buf, len, gfp);
}
EXPORT_SYMBOL(cfg80211_send_rx_auth);

void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
	nl80211_send_rx_assoc(rdev, dev, buf, len, gfp);
}
EXPORT_SYMBOL(cfg80211_send_rx_assoc);

void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
	nl80211_send_deauth(rdev, dev, buf, len, gfp);
}
EXPORT_SYMBOL(cfg80211_send_deauth);

void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp)
{
	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
	nl80211_send_disassoc(rdev, dev, buf, len, gfp);
}
EXPORT_SYMBOL(cfg80211_send_disassoc);

static void cfg80211_wext_disconnected(struct net_device *dev)
{
#ifdef CONFIG_WIRELESS_EXT
	union iwreq_data wrqu;
	memset(&wrqu, 0, sizeof(wrqu));
	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
#endif
}

void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp)
{
	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
	nl80211_send_auth_timeout(rdev, dev, addr, gfp);
	cfg80211_wext_disconnected(dev);
}
EXPORT_SYMBOL(cfg80211_send_auth_timeout);

void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp)
{
	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
	nl80211_send_assoc_timeout(rdev, dev, addr, gfp);
	cfg80211_wext_disconnected(dev);
}
EXPORT_SYMBOL(cfg80211_send_assoc_timeout);

void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
				  enum nl80211_key_type key_type, int key_id,
				  const u8 *tsc, gfp_t gfp)
{
	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
#ifdef CONFIG_WIRELESS_EXT
	union iwreq_data wrqu;
	char *buf = kmalloc(128, gfp);

	if (buf) {
		sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
			"keyid=%d %scast addr=%pM)", key_id,
			key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni",
			addr);
		memset(&wrqu, 0, sizeof(wrqu));
		wrqu.data.length = strlen(buf);
		wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
		kfree(buf);
	}
#endif

	nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp);
}
EXPORT_SYMBOL(cfg80211_michael_mic_failure);
Commit	Line	Data
6039f6d2 JM	1	/*
	2	* cfg80211 MLME SAP interface
	3	*
	4	* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
	5	*/
	6
	7	#include <linux/kernel.h>
	8	#include <linux/module.h>
	9	#include <linux/netdevice.h>
	10	#include <linux/nl80211.h>
	11	#include <net/cfg80211.h>
	12	#include "core.h"
	13	#include "nl80211.h"
	14
e6d6e342	15	void cfg80211_send_rx_auth(struct net_device dev, const u8 buf, size_t len, gfp_t gfp)
6039f6d2 JM	16	{
	17	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	18	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
e6d6e342	19	nl80211_send_rx_auth(rdev, dev, buf, len, gfp);
6039f6d2 JM	20	}
	21	EXPORT_SYMBOL(cfg80211_send_rx_auth);
	22
e6d6e342	23	void cfg80211_send_rx_assoc(struct net_device dev, const u8 buf, size_t len, gfp_t gfp)
6039f6d2 JM	24	{
	25	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	26	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
e6d6e342	27	nl80211_send_rx_assoc(rdev, dev, buf, len, gfp);
6039f6d2 JM	28	}
	29	EXPORT_SYMBOL(cfg80211_send_rx_assoc);
	30
e6d6e342	31	void cfg80211_send_deauth(struct net_device dev, const u8 buf, size_t len, gfp_t gfp)
6039f6d2 JM	32	{
	33	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	34	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
e6d6e342	35	nl80211_send_deauth(rdev, dev, buf, len, gfp);
6039f6d2	36	}
53b46b84	37	EXPORT_SYMBOL(cfg80211_send_deauth);
6039f6d2	38
e6d6e342	39	void cfg80211_send_disassoc(struct net_device dev, const u8 buf, size_t len, gfp_t gfp)
6039f6d2 JM	40	{
	41	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	42	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
e6d6e342	43	nl80211_send_disassoc(rdev, dev, buf, len, gfp);
6039f6d2	44	}
53b46b84	45	EXPORT_SYMBOL(cfg80211_send_disassoc);
a3b8b056	46
1965c853 JM	47	static void cfg80211_wext_disconnected(struct net_device *dev)
	48	{
	49	#ifdef CONFIG_WIRELESS_EXT
	50	union iwreq_data wrqu;
	51	memset(&wrqu, 0, sizeof(wrqu));
	52	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
	53	#endif
	54	}
	55
e6d6e342	56	void cfg80211_send_auth_timeout(struct net_device dev, const u8 addr, gfp_t gfp)
1965c853 JM	57	{
	58	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	59	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
e6d6e342	60	nl80211_send_auth_timeout(rdev, dev, addr, gfp);
1965c853 JM	61	cfg80211_wext_disconnected(dev);
	62	}
	63	EXPORT_SYMBOL(cfg80211_send_auth_timeout);
	64
e6d6e342	65	void cfg80211_send_assoc_timeout(struct net_device dev, const u8 addr, gfp_t gfp)
1965c853 JM	66	{
	67	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	68	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
e6d6e342	69	nl80211_send_assoc_timeout(rdev, dev, addr, gfp);
1965c853 JM	70	cfg80211_wext_disconnected(dev);
	71	}
	72	EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
	73
a3b8b056 JM	74	void cfg80211_michael_mic_failure(struct net_device dev, const u8 addr,
a3b8b056 JM	75	enum nl80211_key_type key_type, int key_id,
e6d6e342	76	const u8 *tsc, gfp_t gfp)
a3b8b056 JM	77	{
	78	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
	79	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
f58d4ed9 JB	80	#ifdef CONFIG_WIRELESS_EXT
f58d4ed9 JB	81	union iwreq_data wrqu;
e6d6e342	82	char *buf = kmalloc(128, gfp);
f58d4ed9 JB	83
	84	if (buf) {
	85	sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
	86	"keyid=%d %scast addr=%pM)", key_id,
	87	key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni",
	88	addr);
	89	memset(&wrqu, 0, sizeof(wrqu));
	90	wrqu.data.length = strlen(buf);
	91	wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
	92	kfree(buf);
	93	}
	94	#endif
	95
e6d6e342	96	nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp);
a3b8b056 JM	97	}
a3b8b056 JM	98	EXPORT_SYMBOL(cfg80211_michael_mic_failure);