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git.proxmox.com Git - mirror_iproute2.git/blob - include/libnetlink.h
1 #ifndef __LIBNETLINK_H__
2 #define __LIBNETLINK_H__ 1
5 #include <linux/netlink.h>
6 #include <linux/rtnetlink.h>
11 struct sockaddr_nl local
;
12 struct sockaddr_nl peer
;
17 extern int rtnl_open(struct rtnl_handle
*rth
, unsigned subscriptions
);
18 extern int rtnl_open_byproto(struct rtnl_handle
*rth
, unsigned subscriptions
, int protocol
);
19 extern void rtnl_close(struct rtnl_handle
*rth
);
20 extern int rtnl_wilddump_request(struct rtnl_handle
*rth
, int fam
, int type
);
21 extern int rtnl_dump_request(struct rtnl_handle
*rth
, int type
, void *req
, int len
);
23 typedef int (*rtnl_filter_t
)(const struct sockaddr_nl
*,
24 struct nlmsghdr
*n
, void *);
25 extern int rtnl_dump_filter(struct rtnl_handle
*rth
, rtnl_filter_t filter
,
29 extern int rtnl_talk(struct rtnl_handle
*rtnl
, struct nlmsghdr
*n
, pid_t peer
,
30 unsigned groups
, struct nlmsghdr
*answer
,
33 extern int rtnl_send(struct rtnl_handle
*rth
, const char *buf
, int);
36 extern int addattr32(struct nlmsghdr
*n
, int maxlen
, int type
, __u32 data
);
37 extern int addattr_l(struct nlmsghdr
*n
, int maxlen
, int type
, const void *data
, int alen
);
38 extern int addraw_l(struct nlmsghdr
*n
, int maxlen
, const void *data
, int len
);
39 extern int rta_addattr32(struct rtattr
*rta
, int maxlen
, int type
, __u32 data
);
40 extern int rta_addattr_l(struct rtattr
*rta
, int maxlen
, int type
, const void *data
, int alen
);
42 extern int parse_rtattr(struct rtattr
*tb
[], int max
, struct rtattr
*rta
, int len
);
43 extern int parse_rtattr_byindex(struct rtattr
*tb
[], int max
, struct rtattr
*rta
, int len
);
45 #define parse_rtattr_nested(tb, max, rta) \
46 (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
48 extern int rtnl_listen(struct rtnl_handle
*, rtnl_filter_t handler
,
50 extern int rtnl_from_file(FILE *, rtnl_filter_t handler
,
53 #define NLMSG_TAIL(nmsg) \
54 ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
56 #endif /* __LIBNETLINK_H__ */