4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (c) 1980, 1986, 1993
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The Regents of the University of California. All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * are met:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. All advertising materials mentioning features or use of this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * must display the following acknowledgement:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This product includes software developed by the University of
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * California, Berkeley and its contributors.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 4. Neither the name of the University nor the names of its contributors
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * may be used to endorse or promote products derived from this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * without specific prior written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * @(#)route.h 8.3 (Berkeley) 4/19/94
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * $Id: route.h,v 1.1.1.1 2006/05/30 06:12:46 hhzhou Exp $
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#ifndef _NET_ROUTE_H_
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define _NET_ROUTE_H_
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define __P(protos) protos /* full-blown ANSI C */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Kernel resident routing tables.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The routing tables are initialized when interface addresses
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * are set by making entries for all directly connected interfaces.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * A route consists of a destination address and a reference
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * to a routing entry. These are often held by protocols
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * in their control blocks, e.g. inpcb.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct route {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct rtentry *ro_rt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr ro_dst;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * These numbers are used by reliable protocols for determining
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * retransmission behavior and are included in the routing structure.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct rt_metrics {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_locks; /* Kernel must leave these values alone */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_mtu; /* MTU for this path */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_hopcount; /* max hops expected */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_expire; /* lifetime for route, e.g. redirect */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_recvpipe; /* inbound delay-bandwidth product */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_sendpipe; /* outbound delay-bandwidth product */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_ssthresh; /* outbound gateway buffer limit */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_rtt; /* estimated round trip time */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_rttvar; /* estimated rtt variance */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_pksent; /* packets sent using this route */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rmx_filler[4]; /* will be used for T/TCP later */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * rmx_rtt and rmx_rttvar are stored as microseconds;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * RTTTOPRHZ(rtt) converts to a value suitable for use
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * by a protocol slowtimo counter.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * XXX kernel function pointer `rt_output' is visible to applications.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct mbuf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * We distinguish between routes to hosts and routes to networks,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * preferring the former if available. For each route we infer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * the interface to use from the gateway address supplied when
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * the route was entered. Routes that forward packets through
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * gateways are marked so that the output routines know to address the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * gateway rather than the ultimate destination.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#ifndef RNF_NORMAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <net/radix.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct rtentry {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct radix_node rt_nodes[2]; /* tree glue, and other values */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define rt_key(r) ((struct sockaddr *)((r)->rt_nodes->rn_key))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define rt_mask(r) ((struct sockaddr *)((r)->rt_nodes->rn_mask))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr *rt_gateway; /* value */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rt_filler; /* was short flags field */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rt_refcnt; /* # held references */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rt_flags; /* up/down?, host/net */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct ifnet *rt_ifp; /* the answer: interface to use */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct ifaddr *rt_ifa; /* the answer: interface to use */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr *rt_genmask; /* for generation of cloned routes */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync caddr_t rt_llinfo; /* pointer to link level info cache */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct rt_metrics rt_rmx; /* metrics used by rx'ing protocols */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct rtentry *rt_gwroute; /* implied entry for gatewayed routes */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int (*rt_output) __P((struct ifnet *, struct mbuf *,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr *, struct rtentry *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* output routine for this (rt,if) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct rtentry *rt_parent; /* cloning parent of this route */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync void *rt_filler2; /* more filler */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Following structure necessary for 4.3 compatibility;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * We should eventually move it to a compat file.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct ortentry {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rt_hash; /* to speed lookups */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr rt_dst; /* key */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr rt_gateway; /* value */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rt_flags; /* up/down?, host/net */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rt_refcnt; /* # held references */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rt_use; /* raw # packets forwarded */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct ifnet *rt_ifp; /* the answer: interface to use */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define rt_use rt_rmx.rmx_pksent
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_UP 0x1 /* route usable */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_GATEWAY 0x2 /* destination is a gateway */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_HOST 0x4 /* host entry (net otherwise) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_REJECT 0x8 /* host or net unreachable */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_DYNAMIC 0x10 /* created dynamically (by redirect) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_MODIFIED 0x20 /* modified dynamically (by redirect) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_DONE 0x40 /* message confirmed */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* 0x80 unused */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_CLONING 0x100 /* generate new routes on use */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_XRESOLVE 0x200 /* external daemon resolves name */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_LLINFO 0x400 /* generated by link layer (e.g. ARP) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_STATIC 0x800 /* manually added */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_BLACKHOLE 0x1000 /* just discard pkts (during updates) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_PROTO2 0x4000 /* protocol specific routing flag */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_PROTO1 0x8000 /* protocol specific routing flag */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_PRCLONING 0x10000 /* protocol requires cloning */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_WASCLONED 0x20000 /* route generated through cloning */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_PROTO3 0x40000 /* protocol specific routing flag */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* 0x80000 unused */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_PINNED 0x100000 /* future use */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_LOCAL 0x200000 /* route represents a local address */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_BROADCAST 0x400000 /* route represents a bcast address */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTF_MULTICAST 0x800000 /* route represents a mcast address */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* 0x1000000 and up unassigned */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Routing statistics.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct rtstat {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rts_badredirect; /* bogus redirect calls */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rts_dynamic; /* routes created by redirects */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rts_newgateway; /* routes modified by redirects */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rts_unreach; /* lookups which failed */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync short rts_wildcard; /* lookups satisfied by a wildcard */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Structures for routing messages.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct rt_msghdr {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_short rtm_msglen; /* to skip over non-understood messages */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_char rtm_version; /* future binary compatibility */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_char rtm_type; /* message type */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_short rtm_index; /* index for associated ifp */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int rtm_flags; /* flags, incl. kern & message, e.g. DONE */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int rtm_addrs; /* bitmask identifying sockaddrs in msg */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync pid_t rtm_pid; /* identify sender */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int rtm_seq; /* for sender to identify action */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int rtm_errno; /* why failed */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int rtm_use; /* from rtentry */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long rtm_inits; /* which metrics we are initializing */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct rt_metrics rtm_rmx; /* metrics themselves */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_VERSION 5 /* Up the ante and ignore older versions */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_ADD 0x1 /* Add Route */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_DELETE 0x2 /* Delete Route */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_CHANGE 0x3 /* Change Metrics or flags */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_GET 0x4 /* Report Metrics */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_LOSING 0x5 /* Kernel Suspects Partitioning */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_REDIRECT 0x6 /* Told to use different route */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_MISS 0x7 /* Lookup failed on this address */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_LOCK 0x8 /* fix specified metrics */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_OLDADD 0x9 /* caused by SIOCADDRT */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_OLDDEL 0xa /* caused by SIOCDELRT */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_RESOLVE 0xb /* req to resolve dst to LL addr */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_NEWADDR 0xc /* address being added to iface */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_DELADDR 0xd /* address being removed from iface */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_IFINFO 0xe /* iface going up/down etc. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_NEWMADDR 0xf /* mcast group membership being added to if */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTM_DELMADDR 0x10 /* mcast group membership being deleted */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_MTU 0x1 /* init or lock _mtu */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_HOPCOUNT 0x2 /* init or lock _hopcount */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_EXPIRE 0x4 /* init or lock _hopcount */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_RPIPE 0x8 /* init or lock _recvpipe */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_SPIPE 0x10 /* init or lock _sendpipe */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_SSTHRESH 0x20 /* init or lock _ssthresh */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_RTT 0x40 /* init or lock _rtt */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTV_RTTVAR 0x80 /* init or lock _rttvar */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Bitmask values for rtm_addr.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_DST 0x1 /* destination sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_GATEWAY 0x2 /* gateway sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_NETMASK 0x4 /* netmask sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_GENMASK 0x8 /* cloning mask sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_IFP 0x10 /* interface name sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_IFA 0x20 /* interface addr sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_AUTHOR 0x40 /* sockaddr for author of redirect */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTA_BRD 0x80 /* for NEWADDR, broadcast or p-p dest addr */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Index offsets for sockaddr array for alternate internal encoding.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_DST 0 /* destination sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_GATEWAY 1 /* gateway sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_NETMASK 2 /* netmask sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_GENMASK 3 /* cloning mask sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_IFP 4 /* interface name sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_IFA 5 /* interface addr sockaddr present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_AUTHOR 6 /* sockaddr for author of redirect */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_BRD 7 /* for NEWADDR, broadcast or p-p dest addr */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTAX_MAX 8 /* size of array to allocate */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct rt_addrinfo {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int rti_addrs;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr *rti_info[RTAX_MAX];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct route_cb {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int ip_count;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int ipx_count;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int ns_count;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int iso_count;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int any_count;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#ifdef KERNEL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define RTFREE(rt) \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((rt)->rt_refcnt <= 1) \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rtfree(rt); \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync else \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (rt)->rt_refcnt--;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncextern struct route_cb route_cb;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncextern struct radix_node_head *rt_tables[AF_MAX+1];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct ifmultiaddr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct proc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid route_init __P((void));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rt_ifmsg __P((struct ifnet *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rt_missmsg __P((int, struct rt_addrinfo *, int, int));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rt_newaddrmsg __P((int, struct ifaddr *, int, struct rtentry *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rt_newmaddrmsg __P((int, struct ifmultiaddr *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint rt_setgate __P((struct rtentry *,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr *, struct sockaddr *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rtalloc __P((struct route *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rtalloc_ign __P((struct route *, unsigned long));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstruct rtentry *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rtalloc1 __P((struct sockaddr *, int, unsigned long));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rtfree __P((struct rtentry *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint rtinit __P((struct ifaddr *, int, int));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint rtioctl __P((int, caddr_t, struct proc *));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvoid rtredirect __P((struct sockaddr *, struct sockaddr *,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr *, int, struct sockaddr *, struct rtentry **));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint rtrequest __P((int, struct sockaddr *,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr *, struct sockaddr *, int, struct rtentry **));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif