1/* vi: set sw=4 ts=4: */
2#ifndef __LIBNETLINK_H__
3#define __LIBNETLINK_H__ 1
4
5#include <linux/types.h>
6/* We need linux/types.h because older kernels use __u32 etc
7 * in linux/[rt]netlink.h. 2.6.19 seems to be ok, though */
8#include <linux/netlink.h>
9#include <linux/rtnetlink.h>
10
11struct rtnl_handle
12{
13	int			fd;
14	struct sockaddr_nl	local;
15	struct sockaddr_nl	peer;
16	uint32_t		seq;
17	uint32_t		dump;
18};
19
20extern int xrtnl_open(struct rtnl_handle *rth);
21extern void rtnl_close(struct rtnl_handle *rth);
22extern int xrtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
23extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
24extern int xrtnl_dump_filter(struct rtnl_handle *rth,
25			int (*filter)(struct sockaddr_nl*, struct nlmsghdr *n, void*),
26			void *arg1);
27extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
28			unsigned groups, struct nlmsghdr *answer,
29			int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
30			void *jarg);
31extern int rtnl_send(struct rtnl_handle *rth, char *buf, int);
32
33
34extern int addattr32(struct nlmsghdr *n, int maxlen, int type, uint32_t data);
35extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, void *data, int alen);
36extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, uint32_t data);
37extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, void *data, int alen);
38
39extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
40
41#endif /* __LIBNETLINK_H__ */
42