/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NET_EVENT_H
#define _NET_EVENT_H

/*
 *    Generic netevent notifiers
 *
 *    Authors:
 *      Tom Tucker              <[email protected]>
 *      Steve Wise              <[email protected]>
 *
 *     Changes:
 */

struct dst_entry;
struct neighbour;
struct notifier_block ;

struct netevent_redirect {
    struct dst_entry *old;
    struct dst_entry *new;
    struct neighbour *neigh;
    const void *daddr;
};

enum netevent_notif_type {
    NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */
    NETEVENT_REDIRECT,       /* arg is struct netevent_redirect ptr */
    NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */
    NETEVENT_IPV4_MPATH_HASH_UPDATE, /* arg is struct net ptr */
    NETEVENT_IPV6_MPATH_HASH_UPDATE, /* arg is struct net ptr */
    NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE, /* arg is struct net ptr */
};

int register_netevent_notifier(struct notifier_block *nb);
int unregister_netevent_notifier(struct notifier_block *nb);
int call_netevent_notifiers(unsigned long val, void *v);

#endif