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-/*
- * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1980, 1986, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)route.h 8.3 (Berkeley) 4/19/94
- * $FreeBSD: src/sys/net/route.h,v 1.36.2.1 2000/08/16 06:14:23 jayanth Exp $
- */
-
-#ifndef _NET_ROUTE_H_
-#define _NET_ROUTE_H_
-#include <sys/appleapiopts.h>
-#include <stdint.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-/*
- * Kernel resident routing tables.
- *
- * The routing tables are initialized when interface addresses
- * are set by making entries for all directly connected interfaces.
- */
-
-/*
- * A route consists of a destination address and a reference
- * to a routing entry. These are often held by protocols
- * in their control blocks, e.g. inpcb.
- */
-struct route;
-
-/*
- * These numbers are used by reliable protocols for determining
- * retransmission behavior and are included in the routing structure.
- */
-struct rt_metrics {
- u_int32_t rmx_locks; /* Kernel must leave these values alone */
- u_int32_t rmx_mtu; /* MTU for this path */
- u_int32_t rmx_hopcount; /* max hops expected */
- int32_t rmx_expire; /* lifetime for route, e.g. redirect */
- u_int32_t rmx_recvpipe; /* inbound delay-bandwidth product */
- u_int32_t rmx_sendpipe; /* outbound delay-bandwidth product */
- u_int32_t rmx_ssthresh; /* outbound gateway buffer limit */
- u_int32_t rmx_rtt; /* estimated round trip time */
- u_int32_t rmx_rttvar; /* estimated rtt variance */
- u_int32_t rmx_pksent; /* packets sent using this route */
- u_int32_t rmx_filler[4]; /* will be used for T/TCP later */
-};
-
-/*
- * rmx_rtt and rmx_rttvar are stored as microseconds;
- */
-#define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */
-
-/*
- * We distinguish between routes to hosts and routes to networks,
- * preferring the former if available. For each route we infer
- * the interface to use from the gateway address supplied when
- * the route was entered. Routes that forward packets through
- * gateways are marked so that the output routines know to address the
- * gateway rather than the ultimate destination.
- */
-
-
-#define RTF_UP 0x1 /* route usable */
-#define RTF_GATEWAY 0x2 /* destination is a gateway */
-#define RTF_HOST 0x4 /* host entry (net otherwise) */
-#define RTF_REJECT 0x8 /* host or net unreachable */
-#define RTF_DYNAMIC 0x10 /* created dynamically (by redirect) */
-#define RTF_MODIFIED 0x20 /* modified dynamically (by redirect) */
-#define RTF_DONE 0x40 /* message confirmed */
-#define RTF_DELCLONE 0x80 /* delete cloned route */
-#define RTF_CLONING 0x100 /* generate new routes on use */
-#define RTF_XRESOLVE 0x200 /* external daemon resolves name */
-#define RTF_LLINFO 0x400 /* generated by link layer (e.g. ARP) */
-#define RTF_STATIC 0x800 /* manually added */
-#define RTF_BLACKHOLE 0x1000 /* just discard pkts (during updates) */
-#define RTF_PROTO2 0x4000 /* protocol specific routing flag */
-#define RTF_PROTO1 0x8000 /* protocol specific routing flag */
-
-#define RTF_PRCLONING 0x10000 /* protocol requires cloning */
-#define RTF_WASCLONED 0x20000 /* route generated through cloning */
-#define RTF_PROTO3 0x40000 /* protocol specific routing flag */
- /* 0x80000 unused */
-#define RTF_PINNED 0x100000 /* future use */
-#define RTF_LOCAL 0x200000 /* route represents a local address */
-#define RTF_BROADCAST 0x400000 /* route represents a bcast address */
-#define RTF_MULTICAST 0x800000 /* route represents a mcast address */
-#define RTF_IFSCOPE 0x1000000 /* has valid interface scope */
-#define RTF_CONDEMNED 0x2000000 /* defunct; no longer modifiable */
- /* 0x4000000 and up unassigned */
-
-/*
- * Routing statistics.
- */
-struct rtstat {
- short rts_badredirect; /* bogus redirect calls */
- short rts_dynamic; /* routes created by redirects */
- short rts_newgateway; /* routes modified by redirects */
- short rts_unreach; /* lookups which failed */
- short rts_wildcard; /* lookups satisfied by a wildcard */
-};
-
-/*
- * Structures for routing messages.
- */
-struct rt_msghdr {
- u_short rtm_msglen; /* to skip over non-understood messages */
- u_char rtm_version; /* future binary compatibility */
- u_char rtm_type; /* message type */
- u_short rtm_index; /* index for associated ifp */
- int rtm_flags; /* flags, incl. kern & message, e.g. DONE */
- int rtm_addrs; /* bitmask identifying sockaddrs in msg */
- pid_t rtm_pid; /* identify sender */
- int rtm_seq; /* for sender to identify action */
- int rtm_errno; /* why failed */
- int rtm_use; /* from rtentry */
- u_int32_t rtm_inits; /* which metrics we are initializing */
- struct rt_metrics rtm_rmx; /* metrics themselves */
-};
-
-struct rt_msghdr2 {
- u_short rtm_msglen; /* to skip over non-understood messages */
- u_char rtm_version; /* future binary compatibility */
- u_char rtm_type; /* message type */
- u_short rtm_index; /* index for associated ifp */
- int rtm_flags; /* flags, incl. kern & message, e.g. DONE */
- int rtm_addrs; /* bitmask identifying sockaddrs in msg */
- int32_t rtm_refcnt; /* reference count */
- int rtm_parentflags; /* flags of the parent route */
- int rtm_reserved; /* reserved field set to 0 */
- int rtm_use; /* from rtentry */
- u_int32_t rtm_inits; /* which metrics we are initializing */
- struct rt_metrics rtm_rmx; /* metrics themselves */
-};
-
-
-#define RTM_VERSION 5 /* Up the ante and ignore older versions */
-
-/*
- * Message types.
- */
-#define RTM_ADD 0x1 /* Add Route */
-#define RTM_DELETE 0x2 /* Delete Route */
-#define RTM_CHANGE 0x3 /* Change Metrics or flags */
-#define RTM_GET 0x4 /* Report Metrics */
-#define RTM_LOSING 0x5 /* Kernel Suspects Partitioning */
-#define RTM_REDIRECT 0x6 /* Told to use different route */
-#define RTM_MISS 0x7 /* Lookup failed on this address */
-#define RTM_LOCK 0x8 /* fix specified metrics */
-#define RTM_OLDADD 0x9 /* caused by SIOCADDRT */
-#define RTM_OLDDEL 0xa /* caused by SIOCDELRT */
-#define RTM_RESOLVE 0xb /* req to resolve dst to LL addr */
-#define RTM_NEWADDR 0xc /* address being added to iface */
-#define RTM_DELADDR 0xd /* address being removed from iface */
-#define RTM_IFINFO 0xe /* iface going up/down etc. */
-#define RTM_NEWMADDR 0xf /* mcast group membership being added to if */
-#define RTM_DELMADDR 0x10 /* mcast group membership being deleted */
-#define RTM_IFINFO2 0x12 /* */
-#define RTM_NEWMADDR2 0x13 /* */
-#define RTM_GET2 0x14 /* */
-
-/*
- * Bitmask values for rtm_inits and rmx_locks.
- */
-#define RTV_MTU 0x1 /* init or lock _mtu */
-#define RTV_HOPCOUNT 0x2 /* init or lock _hopcount */
-#define RTV_EXPIRE 0x4 /* init or lock _expire */
-#define RTV_RPIPE 0x8 /* init or lock _recvpipe */
-#define RTV_SPIPE 0x10 /* init or lock _sendpipe */
-#define RTV_SSTHRESH 0x20 /* init or lock _ssthresh */
-#define RTV_RTT 0x40 /* init or lock _rtt */
-#define RTV_RTTVAR 0x80 /* init or lock _rttvar */
-
-/*
- * Bitmask values for rtm_addrs.
- */
-#define RTA_DST 0x1 /* destination sockaddr present */
-#define RTA_GATEWAY 0x2 /* gateway sockaddr present */
-#define RTA_NETMASK 0x4 /* netmask sockaddr present */
-#define RTA_GENMASK 0x8 /* cloning mask sockaddr present */
-#define RTA_IFP 0x10 /* interface name sockaddr present */
-#define RTA_IFA 0x20 /* interface addr sockaddr present */
-#define RTA_AUTHOR 0x40 /* sockaddr for author of redirect */
-#define RTA_BRD 0x80 /* for NEWADDR, broadcast or p-p dest addr */
-
-/*
- * Index offsets for sockaddr array for alternate internal encoding.
- */
-#define RTAX_DST 0 /* destination sockaddr present */
-#define RTAX_GATEWAY 1 /* gateway sockaddr present */
-#define RTAX_NETMASK 2 /* netmask sockaddr present */
-#define RTAX_GENMASK 3 /* cloning mask sockaddr present */
-#define RTAX_IFP 4 /* interface name sockaddr present */
-#define RTAX_IFA 5 /* interface addr sockaddr present */
-#define RTAX_AUTHOR 6 /* sockaddr for author of redirect */
-#define RTAX_BRD 7 /* for NEWADDR, broadcast or p-p dest addr */
-#define RTAX_MAX 8 /* size of array to allocate */
-
-struct rt_addrinfo {
- int rti_addrs;
- struct sockaddr *rti_info[RTAX_MAX];
-};
-
-struct route_cb {
- int ip_count;
- int ip6_count;
- int ipx_count;
- int ns_count;
- int iso_count;
- int any_count;
-};
-
-
-
-#endif
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