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 int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol); 19extern void rtnl_close(struct rtnl_handle *rth); 20extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type); 21extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len); 22 23typedef int (*rtnl_filter_t)(const struct sockaddr_nl *, 24 struct nlmsghdr *n, void *); 25extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter, 26 void *arg1, 27 rtnl_filter_t junk, 28 void *arg2); 29extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer, 30 unsigned groups, struct nlmsghdr *answer, 31 rtnl_filter_t junk, 32 void *jarg); 33extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int); 34 35 36extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data); 37extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen); 38extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len); 39extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data); 40extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, const void *data, int alen); 41 42extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len); 43extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len); 44 45#define parse_rtattr_nested(tb, max, rta) \ 46 (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta))) 47 48extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler, 49 void *jarg); 50extern int rtnl_from_file(FILE *, rtnl_filter_t handler, 51 void *jarg); 52 53#define NLMSG_TAIL(nmsg) \ 54 ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len))) 55 56#endif /* __LIBNETLINK_H__ */ 57 58