1#ifndef __LIBNETLINK_H__
2#define __LIBNETLINK_H__ 1
3
4#include <asm/types.h>
5#include <linux/netlink.h>
6#include <linux/rtnetlink.h>
7
8struct rtnl_handle
9{
10	int			fd;
11	struct sockaddr_nl	local;
12	struct sockaddr_nl	peer;
13	__u32			seq;
14	__u32			dump;
15};
16
17extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
18extern void rtnl_close(struct rtnl_handle *rth);
19extern int rtnl_request(struct rtnl_handle *rth, int fam, int type);
20
21typedef int (*rtnl_filter_t)(const struct sockaddr_nl *, struct nlmsghdr *n, void *);
22
23extern int rtnl_filter(struct rtnl_handle *rth, rtnl_filter_t filter,
24			    void *arg1);
25extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
26		     unsigned groups, struct nlmsghdr * answer);
27extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int);
28
29
30extern int addattr32(struct nlmsghdr *n, int maxlen, int type, unsigned int data);
31extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);
32
33extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
34
35#define NLMSG_TAIL(nmsg) \
36	((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
37
38#endif /* __LIBNETLINK_H__ */
39
40