release/src/router/libnfnetlink/src/rtnl.h

   1 #ifndef _RTNL_H
   2 #define _RTNL_H
   3
   4 #include <linux/types.h>
   5 #include <linux/rtnetlink.h>
   6
   7 struct rtnl_handler {
   8         struct rtnl_handler *next;
   9
  10         u_int16_t       nlmsg_type;
  11         int             (*handlefn)(struct nlmsghdr *h, void *arg);
  12         void            *arg;
  13 };
  14
  15 struct rtnl_handle {
  16         int rtnl_fd;
  17         int rtnl_seq;
  18         int rtnl_dump;
  19         struct sockaddr_nl rtnl_local;
  20         struct rtnl_handler *handlers;
  21 };
  22
  23 /* api for handler plugins */
  24 int rtnl_handler_register(struct rtnl_handle *rtnl_handle,
  25                           struct rtnl_handler *hdlr);
  26 int rtnl_handler_unregister(struct rtnl_handle *rtnl_handle,
  27                             struct rtnl_handler *hdlr);
  28 int rtnl_parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
  29 int rtnl_dump_type(struct rtnl_handle *rtnl_handle, unsigned int type);
  30
  31 /* api for core program */
  32 struct rtnl_handle *rtnl_open(void);
  33 void rtnl_close(struct rtnl_handle *rtnl_handle);
  34 int rtnl_receive(struct rtnl_handle *rtnl_handle);
  35 int rtnl_receive_multi(struct rtnl_handle *rtnl_handle);
  36
  37 #endif