1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice unmodified, this list of conditions, and the following
12 *    disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef	_LINUX_NET_NETEVENT_H_
30#define	_LINUX_NET_NETEVENT_H_
31
32#include <netinet/if_ether.h>
33
34enum netevent_notif_type {
35	NETEVENT_NEIGH_UPDATE = 0,
36#if 0 /* Unsupported events. */
37        NETEVENT_PMTU_UPDATE,
38        NETEVENT_REDIRECT,
39#endif
40};
41
42struct llentry;
43
44static inline void
45_handle_arp_update_event(void *arg, struct llentry *lle, int evt __unused)
46{
47	struct notifier_block *nb;
48
49	nb = arg;
50	nb->notifier_call(nb, NETEVENT_NEIGH_UPDATE, lle);
51}
52
53static inline int
54register_netevent_notifier(struct notifier_block *nb)
55{
56	nb->tags[NETEVENT_NEIGH_UPDATE] = EVENTHANDLER_REGISTER(
57	    lle_event, _handle_arp_update_event, nb, 0);
58	return (0);
59}
60
61static inline int
62unregister_netevent_notifier(struct notifier_block *nb)
63{
64
65	EVENTHANDLER_DEREGISTER(lle_event, nb->tags[NETEVENT_NEIGH_UPDATE]);
66
67	return (0);
68}
69
70#endif /* _LINUX_NET_NETEVENT_H_ */
71