/*

 * 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

 *		for the purposes of compatibility only.

 *

 *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>

 *

 * Changes:

 *              Mike McLagan    :       Routing by source

 *

 *		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>

#include <linux/compiler.h>

/* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */

struct rtentry 

{

	unsigned long	rt_pad1;

	struct sockaddr	rt_dst;		/* target address		*/

	struct sockaddr	rt_gateway;	/* gateway addr (RTF_GATEWAY)	*/

	struct sockaddr	rt_genmask;	/* target network mask (IP)	*/

	unsigned short	rt_flags;

	short		rt_pad2;

	unsigned long	rt_pad3;

	void		*rt_pad4;

	short		rt_metric;	/* +1 for binary compatibility!	*/

	char __user	*rt_dev;	/* forcing the device at add	*/

	unsigned long	rt_mtu;		/* per route MTU/Window 	*/

#ifndef __KERNEL__

#define rt_mss	rt_mtu			/* Compatibility :-(            */

#endif

	unsigned long	rt_window;	/* Window clamping 		*/

	unsigned short	rt_irtt;	/* Initial RTT			*/

};

#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_MTU		0x0040		/* specific MTU for this route	*/

#define RTF_MSS		RTF_MTU		/* Compatibility :-(		*/

#define RTF_WINDOW	0x0080		/* per route window clamping	*/

#define RTF_IRTT	0x0100		/* Initial round trip time	*/

#define RTF_REJECT	0x0200		/* Reject route			*/

/*

 *	<linux/ipv6_route.h> uses RTF values >= 64k

 */

#endif	/* _LINUX_ROUTE_H */