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/* Copyright (C) 1997-2023 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, see
<https://www.gnu.org/licenses/>. */
/* 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>
#include <net/if.h>
typedef struct ifrtreq
{
char ifname[IF_NAMESIZE];
in_addr_t rt_dest;
in_addr_t rt_mask;
in_addr_t rt_gateway;
int rt_flags;
int rt_metric;
int rt_mtu;
int rt_window;
int rt_irtt;
int rt_tos;
int rt_class;
} ifrtreq_t;
#define _IOT_ifrtreq _IOT (_IOTS(char), IF_NAMESIZE, _IOTS(int), 10, 0, 0)
#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) ((uint32_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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