#ifndef __LIBNETLINK_H__

#define __LIBNETLINK_H__ 1

#include <asm/types.h>

/* needed by netlink.h, should be in there */

#include <arpa/inet.h>

#include <linux/netlink.h>

#include <linux/rtnetlink.h>

struct rtnl_handle

{

	int			fd;

	struct sockaddr_nl	local;

	struct sockaddr_nl	peer;

	__u32			seq;

	__u32			dump;

};

extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);

extern int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol);

extern void rtnl_close(struct rtnl_handle *rth);

extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);

extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);

typedef int (*rtnl_filter_t)(const struct sockaddr_nl *,

			     struct nlmsghdr *n, void *);

extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter,

			    void *arg1,

			    rtnl_filter_t junk,

			    void *arg2);

extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,

		     unsigned groups, struct nlmsghdr *answer,

		     rtnl_filter_t junk,

		     void *jarg);

extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int);

extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);

extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);

extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len);

extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data);

extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, const void *data, int alen);

extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);

extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len);

#define parse_rtattr_nested(tb, max, rta) \

	(parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))

extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler,

		       void *jarg);

extern int rtnl_from_file(FILE *, rtnl_filter_t handler,

		       void *jarg);

#define NLMSG_TAIL(nmsg) \

	((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))

#ifndef IFA_RTA

#define IFA_RTA(r) \

	((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))

#endif

#ifndef IFA_PAYLOAD

#define IFA_PAYLOAD(n)	NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))

#endif

#ifndef IFLA_RTA

#define IFLA_RTA(r) \

	((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))

#endif

#ifndef IFLA_PAYLOAD

#define IFLA_PAYLOAD(n)	NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))

#endif

#ifndef NDA_RTA

#define NDA_RTA(r) \

	((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg))))

#endif

#ifndef NDA_PAYLOAD

#define NDA_PAYLOAD(n)	NLMSG_PAYLOAD(n,sizeof(struct ndmsg))

#endif

#ifndef NDTA_RTA

#define NDTA_RTA(r) \

	((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndtmsg))))

#endif

#ifndef NDTA_PAYLOAD

#define NDTA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndtmsg))

#endif

#endif /* __LIBNETLINK_H__ */