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gerrit-public.fairphone.software / fp2-dev / platform / external / iproute2 / ead2ba7008c9db02954dae6f180aed8770a0560d / . / include / libnetlink.h
blob: 9de3a0bd2a79eb675155dc872d2c9cdd5e0df1cf [file] [log] [blame]
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]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>
Stephen Hemmingeread2ba72006-12-05 09:54:48 -0800[diff] [blame^]7#include <linux/if_link.h>
8#include <linux/if_addr.h>
9#include <linux/neighbour.h>
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]10
11struct rtnl_handle
12{
13 int fd;
14 struct sockaddr_nl local;
15 struct sockaddr_nl peer;
16 __u32 seq;
17 __u32 dump;
18};
19
20extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
net[shemminger]!shemmingerc7699872004-07-07 17:05:56 +0000[diff] [blame]21extern int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]22extern void rtnl_close(struct rtnl_handle *rth);
23extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
24extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]25
osdl.net!shemminger50772dc2004-12-07 21:48:29 +0000[diff] [blame]26typedef int (*rtnl_filter_t)(const struct sockaddr_nl *,
27 struct nlmsghdr *n, void *);
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]28extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter,
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]29 void *arg1,
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]30 rtnl_filter_t junk,
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]31 void *arg2);
32extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
33 unsigned groups, struct nlmsghdr *answer,
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]34 rtnl_filter_t junk,
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]35 void *jarg);
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]36extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]37
38
39extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]40extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);
5!tgrafa10ab082005-01-18 13:58:49 +0000[diff] [blame]41extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]42extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data);
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]43extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, const void *data, int alen);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]44
45extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
net[shemminger]!shemmingerc7699872004-07-07 17:05:56 +0000[diff] [blame]46extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len);
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]47
5!tgraf753fca42005-01-18 22:11:58 +0000[diff] [blame]48#define parse_rtattr_nested(tb, max, rta) \
49 (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
50
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]51extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler,
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]52 void *jarg);
osdl.net!shemminger6dc9f012004-08-31 17:45:21 +0000[diff] [blame]53extern int rtnl_from_file(FILE *, rtnl_filter_t handler,
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]54 void *jarg);
55
5!tgraf370d67b2005-01-18 01:24:18 +0000[diff] [blame]56#define NLMSG_TAIL(nmsg) \
57 ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
58
Stephen Hemmingeread2ba72006-12-05 09:54:48 -0800[diff] [blame^]59#ifndef IFA_RTA
60#define IFA_RTA(r) \
61 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
62#endif
63#ifndef IFA_PAYLOAD
64#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
65#endif
66
67#ifndef IFLA_RTA
68#define IFLA_RTA(r) \
69 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
70#endif
71#ifndef IFLA_PAYLOAD
72#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
73#endif
74
75#ifndef NDA_RTA
76#define NDA_RTA(r) \
77 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg))))
78#endif
79#ifndef NDA_PAYLOAD
80#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg))
81#endif
82
83#ifndef NDTA_RTA
84#define NDTA_RTA(r) \
85 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndtmsg))))
86#endif
87#ifndef NDTA_PAYLOAD
88#define NDTA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndtmsg))
89#endif
90
osdl.org!shemmingeraba5acd2004-04-15 20:56:59 +0000[diff] [blame]91#endif /* __LIBNETLINK_H__ */
92