/usr/src/openvswitch-1.4.0/lib/rtnetlink-link.h is in openvswitch-datapath-dkms 1.4.0-1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | /*
* Copyright (c) 2009 Nicira Networks.
*
* 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 RTNETLINK_LINK_H
#define RTNETLINK_LINK_H 1
#include <stdbool.h>
struct ofpbuf;
struct nln_notifier;
/* These functions are Linux specific, so they should be used directly only by
* Linux-specific code. */
/* A digested version of an rtnetlink_link message sent down by the kernel to
* indicate that a network device has been created, destroyed or changed. */
struct rtnetlink_link_change {
/* Copied from struct nlmsghdr. */
int nlmsg_type; /* e.g. RTM_NEWLINK, RTM_DELLINK. */
/* Copied from struct ifinfomsg. */
int ifi_index; /* Index of network device. */
/* Extracted from Netlink attributes. */
const char *ifname; /* Name of network device. */
int master_ifindex; /* Ifindex of datapath master (0 if none). */
bool running; /* Carrier of network device. */
};
/* 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
* rtnetlink_link_notifier_register(). */
typedef
void rtnetlink_link_notify_func(const struct rtnetlink_link_change *change,
void *aux);
bool rtnetlink_link_parse(struct ofpbuf *buf,
struct rtnetlink_link_change *change);
struct nln_notifier *
rtnetlink_link_notifier_create(rtnetlink_link_notify_func *, void *aux);
void rtnetlink_link_notifier_destroy(struct nln_notifier *);
void rtnetlink_link_run(void);
void rtnetlink_link_wait(void);
#endif /* rtnetlink-link.h */
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