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