028c5aa18b
function old new delta rtnl_send_check - 160 +160 xrtnl_wilddump_request 64 66 +2 ipneigh_list_or_flush 714 706 -8 rtnl_send 69 - -69 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 1/1 up/down: 162/-77) Total: 85 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
65 lines
2.3 KiB
C
65 lines
2.3 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>
|
|
|
|
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
|
|
|
|
struct rtnl_handle {
|
|
int fd;
|
|
struct sockaddr_nl local;
|
|
struct sockaddr_nl peer;
|
|
uint32_t seq;
|
|
uint32_t dump;
|
|
};
|
|
|
|
extern void xrtnl_open(struct rtnl_handle *rth) FAST_FUNC;
|
|
#define rtnl_close(rth) (close((rth)->fd))
|
|
extern void xrtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type) FAST_FUNC;
|
|
extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len) FAST_FUNC;
|
|
extern int xrtnl_dump_filter(struct rtnl_handle *rth,
|
|
int (*filter)(const struct sockaddr_nl*, struct nlmsghdr *n, void*) FAST_FUNC,
|
|
void *arg1) FAST_FUNC;
|
|
|
|
/* 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) FAST_FUNC;
|
|
|
|
int rtnl_send_check(struct rtnl_handle *rth, const void *buf, int len) FAST_FUNC;
|
|
//TODO: pass rth->fd instead of full rth?
|
|
static ALWAYS_INLINE void rtnl_send(struct rtnl_handle *rth, const void *buf, int len)
|
|
{
|
|
// Used to be:
|
|
//struct sockaddr_nl nladdr;
|
|
//memset(&nladdr, 0, sizeof(nladdr));
|
|
//nladdr.nl_family = AF_NETLINK;
|
|
//return xsendto(rth->fd, buf, len, (struct sockaddr*)&nladdr, sizeof(nladdr));
|
|
|
|
// iproute2-4.2.0 simplified the above to:
|
|
//return send(rth->fd, buf, len, 0);
|
|
|
|
// We are using even shorter:
|
|
xwrite(rth->fd, buf, len);
|
|
// and convert to void, inline.
|
|
}
|
|
|
|
extern int addattr32(struct nlmsghdr *n, int maxlen, int type, uint32_t data) FAST_FUNC;
|
|
extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, void *data, int alen) FAST_FUNC;
|
|
extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, uint32_t data) FAST_FUNC;
|
|
extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, void *data, int alen) FAST_FUNC;
|
|
|
|
extern void parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len) FAST_FUNC;
|
|
|
|
POP_SAVED_FUNCTION_VISIBILITY
|
|
|
|
#endif
|