/* * 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	*/};#define	RTF_UP		0x0001		/* route useable		*/#define	RTF_GATEWAY	0x0002		/* destination is a gateway	*/#define	RTF_HOST	0x0004		/* host entry (net otherwise)	*/#define RTF_REINSTATE	0x0008		/* re-instate route after tmout	*/#define	RTF_DYNAMIC	0x0010		/* created dyn. (by redirect)	*/#define	RTF_MODIFIED	0x0020		/* modified dyn. (by redirect)	*/#endif	/* _LINUX_ROUTE_H */