1#ifndef __NET_RTNETLINK_H
2#define __NET_RTNETLINK_H
3
4#include <linux/rtnetlink.h>
5#include <net/netlink.h>
6
7typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *);
8typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
9
10extern int	__rtnl_register(int protocol, int msgtype,
11				rtnl_doit_func, rtnl_dumpit_func);
12extern void	rtnl_register(int protocol, int msgtype,
13			      rtnl_doit_func, rtnl_dumpit_func);
14extern int	rtnl_unregister(int protocol, int msgtype);
15extern void	rtnl_unregister_all(int protocol);
16
17static inline int rtnl_msg_family(struct nlmsghdr *nlh)
18{
19	if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
20		return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
21	else
22		return AF_UNSPEC;
23}
24
25#endif
26