/* Copyright (C) 1997 Free Software Foundation, Inc..   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  *//* Based on the 4.4BSD and Linux version of this file.  */#ifndef _NET_ROUTE_H#define _NET_ROUTE_H	1#include <features.h>#include <sys/socket.h>#include <sys/types.h>#include <netinet/in.h>/* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */struct rtentry  {    unsigned long int 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 int rt_flags;    short int rt_pad2;    unsigned long int rt_pad3;    unsigned char rt_tos;    unsigned char rt_class;    short int rt_pad4;    short int rt_metric;		/* +1 for binary compatibility!  */    char *rt_dev;			/* Forcing the device at add.  */    unsigned long int rt_mtu;		/* Per route MTU/Window.  */    unsigned long int rt_window;	/* Window clamping.  */    unsigned short int rt_irtt;		/* Initial RTT.  */  };/* Compatibility hack.  */#define rt_mss	rt_mtustruct in6_rtmsg  {    struct in6_addr rtmsg_dst;    struct in6_addr rtmsg_src;    struct in6_addr rtmsg_gateway;    u_int32_t rtmsg_type;    u_int16_t rtmsg_dst_len;    u_int16_t rtmsg_src_len;    u_int32_t rtmsg_metric;    unsigned long int rtmsg_info;    u_int32_t rtmsg_flags;    int rtmsg_ifindex;  };#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 timeout.  */#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.  */#define	RTF_STATIC	0x0400		/* Manually injected route.  */#define	RTF_XRESOLVE	0x0800		/* External resolver.  */#define RTF_NOFORWARD   0x1000		/* Forwarding inhibited.  */#define RTF_THROW	0x2000		/* Go to next class.  */#define RTF_NOPMTUDISC  0x4000		/* Do not send packets with DF.  *//* for IPv6 */#define RTF_DEFAULT	0x00010000	/* default - learned via ND	*/#define RTF_ALLONLINK	0x00020000	/* fallback, no routers on link	*/#define RTF_ADDRCONF	0x00040000	/* addrconf route - RA		*/#define RTF_LINKRT	0x00100000	/* link specific - device match	*/#define RTF_NONEXTHOP	0x00200000	/* route with no nexthop	*/#define RTF_CACHE	0x01000000	/* cache entry			*/#define RTF_FLOW	0x02000000	/* flow significant route	*/#define RTF_POLICY	0x04000000	/* policy route			*/#define RTCF_VALVE	0x00200000#define RTCF_MASQ	0x00400000#define RTCF_NAT	0x00800000#define RTCF_DOREDIRECT 0x01000000#define RTCF_LOG	0x02000000#define RTCF_DIRECTSRC	0x04000000#define RTF_LOCAL	0x80000000#define RTF_INTERFACE	0x40000000#define RTF_MULTICAST	0x20000000#define RTF_BROADCAST	0x10000000#define RTF_NAT		0x08000000#define RTF_ADDRCLASSMASK	0xF8000000#define RT_ADDRCLASS(flags)	((__u_int32_t) flags >> 23)#define RT_TOS(tos)		((tos) & IPTOS_TOS_MASK)#define RT_LOCALADDR(flags)	((flags & RTF_ADDRCLASSMASK) \				 == (RTF_LOCAL|RTF_INTERFACE))#define RT_CLASS_UNSPEC		0#define RT_CLASS_DEFAULT	253#define RT_CLASS_MAIN		254#define RT_CLASS_LOCAL		255#define RT_CLASS_MAX		255#define RTMSG_ACK		NLMSG_ACK#define RTMSG_OVERRUN		NLMSG_OVERRUN#define RTMSG_NEWDEVICE		0x11#define RTMSG_DELDEVICE		0x12#define RTMSG_NEWROUTE		0x21#define RTMSG_DELROUTE		0x22#define RTMSG_NEWRULE		0x31#define RTMSG_DELRULE		0x32#define RTMSG_CONTROL		0x40#define RTMSG_AR_FAILED		0x51	/* Address Resolution failed.  */#endif /* net/route.h */