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/* 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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>
/* 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_mtu
#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. */
/* Bad idea. IPv6 should not use broken IPv4 interface. */
#define RTF_ADDRCONF 0x0800 /* Announced on link prefix. */
#define RTF_INVALID 0x1000
#define RTF_DCACHE 0x2000
#define RTF_DEFAULT 0x4000 /* Route is a default route. */
#define RTF_NEXTHOP 0x8000 /* Non gateway route with nexthop. */
#define RTF_MAGIC 0x10000 /* Route added/deleted authomatically,
when interface changes its state. */
#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 */
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