route.h

来自「An implementation of the TCP/IP protocol」· C头文件 代码 · 共 49 行

  1 /*
  2  * INET         An implementation of the TCP/IP protocol suite for the LINUX
  3  *              operating system.  INET  is implemented using the  BSD Socket
  4  *              interface as the means of communication with the user level.
  5  *
  6  *              Definitions for the IP router.
  7  *
  8  * Version:     @(#)route.h     1.0.4   05/27/93
  9  *
 10  * Authors:     Ross Biro, <[e-mail]>
 11  *              Fred N. van Kempen, <[e-mail]>
 12  *
 13  *              This program is free software; you can redistribute it and/or
 14  *              modify it under the terms of the GNU General Public License
 15  *              as published by the Free Software Foundation; either version
 16  *              2 of the License, or (at your option) any later version.
 17  */
 18 #ifndef _ROUTE_H
 19 #define _ROUTE_H
 20 
 21 
 22 #include <linux/route.h>
 23 
 24 
 25 /* This is an entry in the IP routing table. */
 26 struct rtable {
 27   struct rtable         *rt_next;
 28   unsigned long         rt_dst;
 29   unsigned long         rt_mask;
 30   unsigned long         rt_gateway;
 31   unsigned char         rt_flags;
 32   unsigned char         rt_metric;
 33   short                 rt_refcnt;
 34   unsigned long         rt_use;
 35   unsigned short        rt_mss, rt_mtu;
 36   struct device         *rt_dev;
 37 };
 38 
 39 
 40 extern void             rt_flush(struct device *dev);
 41 extern void             rt_add(short flags, unsigned long addr, unsigned long mask,
 42                                unsigned long gw, struct device *dev);
 43 extern struct rtable    *rt_route(unsigned long daddr, struct options *opt);
 44 extern int              rt_get_info(char * buffer);
 45 extern int              rt_ioctl(unsigned int cmd, void *arg);
 46 
 47 #endif  /* _ROUTE_H */
 48