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/*
* Copyright (c) 2011 Gaetano Catalli.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RTBSD_H
#define RTBSD_H 1
#include <net/if.h>
#include "openvswitch/list.h"
/*
* A digested version of a message received from a PF_ROUTE socket which
* indicates that a network device has been created or destroyed or changed.
*/
struct rtbsd_change {
/* Copied from struct if_msghdr. */
int msg_type; /* e.g. XXX. */
/* Copied from struct if_msghdr. */
int if_index; /* Index of network device. */
char if_name[IF_NAMESIZE]; /* Name of network device. */
int master_ifindex; /* Ifindex of datapath master (0 if none). */
};
/*
* Function called to report that a netdev has changed. 'change' describes the
* specific change. It may be null if the buffer of change information
* overflowed, in which case the function must assume that every device may
* have changed. 'aux' is as specified in the call to
* rtbsd_notifier_register().
*/
typedef void rtbsd_notify_func(const struct rtbsd_change *, void *aux);
struct rtbsd_notifier {
struct ovs_list node;
rtbsd_notify_func *cb;
void *aux;
};
int rtbsd_notifier_register(struct rtbsd_notifier *,
rtbsd_notify_func *, void *aux);
void rtbsd_notifier_unregister(struct rtbsd_notifier *);
void rtbsd_notifier_run(void);
void rtbsd_notifier_wait(void);
#endif /* rtbsd.h */
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