busybox/networking/libiproute/libnetlink.h

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/* vi: set sw=4 ts=4: */
#ifndef __LIBNETLINK_H__
#define __LIBNETLINK_H__ 1
#include <asm/types.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 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);
extern int rtnl_dump_filter(struct rtnl_handle *rth,
int (*filter)(struct sockaddr_nl*, struct nlmsghdr *n, void*),
void *arg1,
int (*junk)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
void *arg2);
extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
unsigned groups, struct nlmsghdr *answer,
int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
void *jarg);
extern int rtnl_send(struct rtnl_handle *rth, 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, void *data, int alen);
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, void *data, int alen);
extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
#endif /* __LIBNETLINK_H__ */