hush/networking/libiproute/libnetlink.h
Denis Vlasenko 98636eb08c Use intra-DSO calls when we build libbusybox. No-op for normal build.
This was Bernhard Fischer' idea.

   text    data     bss     dec     hex filename
 773549    7781    9740  791070   c121e busybox.t7/0_lib/libbusybox.so.1.11.0.svn_unstripped
 769683    7397    9740  786820   c0184 busybox.t9t/0_lib/libbusybox.so.1.11.0.svn_unstripped
2008-05-09 17:59:34 +00:00

56 lines
1.8 KiB
C

/* vi: set sw=4 ts=4: */
#ifndef __LIBNETLINK_H__
#define __LIBNETLINK_H__ 1
#include <linux/types.h>
/* We need linux/types.h because older kernels use __u32 etc
* in linux/[rt]netlink.h. 2.6.19 seems to be ok, though */
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#if __GNUC_PREREQ(4,1)
# pragma GCC visibility push(hidden)
#endif
struct rtnl_handle
{
int fd;
struct sockaddr_nl local;
struct sockaddr_nl peer;
uint32_t seq;
uint32_t dump;
};
extern int xrtnl_open(struct rtnl_handle *rth);
extern void rtnl_close(struct rtnl_handle *rth);
extern int xrtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
extern int xrtnl_dump_filter(struct rtnl_handle *rth,
int (*filter)(struct sockaddr_nl*, struct nlmsghdr *n, void*),
void *arg1);
/* bbox doesn't use parameters no. 3, 4, 6, 7, stub them out */
#define rtnl_talk(rtnl, n, peer, groups, answer, junk, jarg) \
rtnl_talk(rtnl, n, answer)
extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
unsigned groups, struct nlmsghdr *answer,
int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
void *jarg);
extern int rtnl_send(struct rtnl_handle *rth, char *buf, int);
extern int addattr32(struct nlmsghdr *n, int maxlen, int type, uint32_t data);
extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, void *data, int alen);
extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, uint32_t data);
extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, void *data, int alen);
extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
#if __GNUC_PREREQ(4,1)
# pragma GCC visibility pop
#endif
#endif /* __LIBNETLINK_H__ */