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/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Global definitions for the IP router interface.
*
* Version: @(#)route.h 1.0.3 05/27/93
*
* Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_ROUTE_H
#define _LINUX_ROUTE_H
#include <linux/if.h>
/* This structure gets passed by the SIOCADDRTOLD and SIOCDELRTOLD calls. */
struct old_rtentry {
unsigned long rt_genmask;
struct sockaddr rt_dst;
struct sockaddr rt_gateway;
short rt_flags;
short rt_refcnt;
unsigned long rt_use;
char *rt_dev;
};
/* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
struct rtentry {
unsigned long rt_hash; /* hash key for lookups */
struct sockaddr rt_dst; /* target address */
struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
struct sockaddr rt_genmask; /* target network mask (IP) */
short rt_flags;
short rt_refcnt;
unsigned long rt_use;
struct ifnet *rt_ifp;
short rt_metric; /* +1 for binary compatibility! */
char *rt_dev; /* forcing the device at add */
unsigned long rt_mss; /* per route MTU/Window */
unsigned long rt_window; /* Window clamping */
};
#define RTF_UP 0x0001 /* route usable */
#define RTF_GATEWAY 0x0002 /* destination is a gateway */
#define RTF_HOST 0x0004 /* host entry (net otherwise) */
#define RTF_REINSTATE 0x0008 /* reinstate route after tmout */
#define RTF_DYNAMIC 0x0010 /* created dyn. (by redirect) */
#define RTF_MODIFIED 0x0020 /* modified dyn. (by redirect) */
#define RTF_MSS 0x0040 /* specific MSS for this route */
#define RTF_WINDOW 0x0080 /* per route window clamping */
/*
* REMOVE THESE BY 1.2.0 !!!!!!!!!!!!!!!!!
*/
#define RTF_MTU RTF_MSS
#define rt_mtu rt_mss
#endif /* _LINUX_ROUTE_H */
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