LXR busybox/networking/libiproute/libnetlink.h

   1/* vi: set sw=4 ts=4: */
   2#ifndef LIBNETLINK_H
   3#define LIBNETLINK_H 1
   4
   5#include <linux/types.h>
   6/* We need linux/types.h because older kernels use __u32 etc
   7 * in linux/[rt]netlink.h. 2.6.19 seems to be ok, though */
   8#include <linux/netlink.h>
   9#include <linux/rtnetlink.h>
  10
  11PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
  12
  13struct rtnl_handle
  14{
  15        int                     fd;
  16        struct sockaddr_nl      local;
  17        struct sockaddr_nl      peer;
  18        uint32_t                seq;
  19        uint32_t                dump;
  20};
  21
  22extern int xrtnl_open(struct rtnl_handle *rth) FAST_FUNC;
  23extern void rtnl_close(struct rtnl_handle *rth) FAST_FUNC;
  24extern int xrtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type) FAST_FUNC;
  25extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len) FAST_FUNC;
  26extern int xrtnl_dump_filter(struct rtnl_handle *rth,
  27                        int (*filter)(const struct sockaddr_nl*, struct nlmsghdr *n, void*),
  28                        void *arg1) FAST_FUNC;
  29
  30/* bbox doesn't use parameters no. 3, 4, 6, 7, stub them out */
  31#define rtnl_talk(rtnl, n, peer, groups, answer, junk, jarg) \
  32        rtnl_talk(rtnl, n, answer)
  33extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
  34                        unsigned groups, struct nlmsghdr *answer,
  35                        int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
  36                        void *jarg) FAST_FUNC;
  37
  38extern int rtnl_send(struct rtnl_handle *rth, char *buf, int) FAST_FUNC;
  39
  40
  41extern int addattr32(struct nlmsghdr *n, int maxlen, int type, uint32_t data) FAST_FUNC;
  42extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, void *data, int alen) FAST_FUNC;
  43extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, uint32_t data) FAST_FUNC;
  44extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, void *data, int alen) FAST_FUNC;
  45
  46extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len) FAST_FUNC;
  47
  48POP_SAVED_FUNCTION_VISIBILITY
  49
  50#endif
  51