include/libnetlink.h

   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 extern int rtnl_dump_filter(struct rtnl_handle *rth,
  23                             int (*filter)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
  24                             void *arg1,
  25                             int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
  26                             void *arg2);
  27 extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
  28                      unsigned groups, struct nlmsghdr *answer,
  29                      int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
  30                      void *jarg);
  31 extern int rtnl_send(struct rtnl_handle *rth, char *buf, int);
  32
  33
  34 extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);
  35 extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, void *data, int alen);
  36 extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data);
  37 extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, void *data, int alen);
  38
  39 extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
  40 extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len);
  41
  42 extern int rtnl_listen(struct rtnl_handle *, int (*handler)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
  43                        void *jarg);
  44 extern int rtnl_from_file(FILE *, int (*handler)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
  45                        void *jarg);
  46
  47 #endif /* __LIBNETLINK_H__ */
  48