mirror of
https://git.kernel.org/pub/scm/network/iproute2/iproute2.git
synced 2024-11-16 22:45:17 +08:00
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
#ifndef __LIBNETLINK_H__
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#define __LIBNETLINK_H__ 1
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#include <asm/types.h>
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#include <linux/netlink.h>
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#include <linux/rtnetlink.h>
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struct rtnl_handle
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{
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int fd;
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struct sockaddr_nl local;
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struct sockaddr_nl peer;
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__u32 seq;
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__u32 dump;
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};
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extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
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extern int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol);
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extern void rtnl_close(struct rtnl_handle *rth);
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extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
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extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
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typedef int (*rtnl_filter_t)(const struct sockaddr_nl *,
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struct nlmsghdr *n, void *);
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extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter,
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void *arg1,
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rtnl_filter_t junk,
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void *arg2);
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extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
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unsigned groups, struct nlmsghdr *answer,
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rtnl_filter_t junk,
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void *jarg);
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extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int);
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extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);
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extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);
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extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len);
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extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data);
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extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, const void *data, int alen);
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extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
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extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len);
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#define parse_rtattr_nested(tb, max, rta) \
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(parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
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extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler,
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void *jarg);
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extern int rtnl_from_file(FILE *, rtnl_filter_t handler,
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void *jarg);
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#define NLMSG_TAIL(nmsg) \
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((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
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#endif /* __LIBNETLINK_H__ */
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