2 * Copyright (c) 2009 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 /* These functions are Linux specific, so they should be used directly only by
21 * Linux-specific code. */
29 /* Function called to report rtnetlink notifications. 'change' describes the
30 * specific change filled out by an rtnetlink_parse_func. It may be null if
31 * the buffer of change information overflowed, in which case the function must
32 * assume that everything may have changed. 'aux' is as specified in
33 * rtnetlink_notifier_register().
35 typedef void rtnetlink_notify_func(const void *change, void *aux);
37 /* Function called to parse incoming rtnetlink notifications. The 'buf'
38 * message should be parsed into 'change' as specified in rtnetlink_create().
40 typedef bool rtnetlink_parse_func(struct ofpbuf *buf, void *change);
42 struct rtnetlink_notifier {
44 rtnetlink_notify_func *cb;
48 struct rtnetlink *rtnetlink_create(int multicast_group,
49 rtnetlink_parse_func *,
51 void rtnetlink_destroy(struct rtnetlink *rtn);
52 int rtnetlink_notifier_register(struct rtnetlink *,
53 struct rtnetlink_notifier *,
54 rtnetlink_notify_func *, void *aux);
55 void rtnetlink_notifier_unregister(struct rtnetlink *,
56 struct rtnetlink_notifier *);
57 void rtnetlink_notifier_run(struct rtnetlink *);
58 void rtnetlink_notifier_wait(struct rtnetlink *);
59 #endif /* rtnetlink.h */