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| Commit | Line | Data |
|---|---|---|
| ad02a0eb SH |
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 | ||
| 8 | struct rtnl_handle | |
| 9 | { | |
| 10 | int fd; | |
| 11 | struct sockaddr_nl local; | |
| 12 | struct sockaddr_nl peer; | |
| 13 | __u32 seq; | |
| 14 | __u32 dump; | |
| 15 | }; | |
| 16 | ||
| 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); | |
| 22 | ||
| 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, | |
| 26 | void *arg1, | |
| 27 | rtnl_filter_t junk, | |
| 28 | void *arg2); | |
| 29 | extern 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); | |
| 33 | extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int); | |
| 34 | ||
| 35 | ||
| 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); | |
| 41 | ||
| 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); | |
| 44 | ||
| 45 | #define parse_rtattr_nested(tb, max, rta) \ | |
| 46 | (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta))) | |
| 47 | ||
| 48 | extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler, | |
| 49 | void *jarg); | |
| 50 | extern 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 |