102 lines
4.1 KiB
C
102 lines
4.1 KiB
C
/* $NetBSD: route.h,v 1.4 2019/04/29 16:12:30 roy Exp $ */
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/*
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* Copyright (c) 1980, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)route.h 8.5 (Berkeley) 2/8/95
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*/
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#ifndef _COMPAT_NET_ROUTE_H_
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#define _COMPAT_NET_ROUTE_H_
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <net/if.h>
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#if !(defined(_KERNEL) || defined(_STANDALONE))
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#include <stdbool.h>
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#endif
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/*
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* These numbers are used by reliable protocols for determining
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* retransmission behavior and are included in the routing structure.
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*/
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struct rt_metrics50 {
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u_long rmx_locks; /* Kernel must leave these values alone */
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u_long rmx_mtu; /* MTU for this path */
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u_long rmx_hopcount; /* max hops expected */
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u_long rmx_expire; /* lifetime for route, e.g. redirect */
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u_long rmx_recvpipe; /* inbound delay-bandwidth product */
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u_long rmx_sendpipe; /* outbound delay-bandwidth product */
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u_long rmx_ssthresh; /* outbound gateway buffer limit */
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u_long rmx_rtt; /* estimated round trip time */
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u_long rmx_rttvar; /* estimated rtt variance */
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u_long rmx_pksent; /* packets sent using this route */
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};
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/*
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* Structures for routing messages.
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*/
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struct rt_msghdr50 {
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u_short rtm_msglen; /* to skip over non-understood messages */
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u_char rtm_version; /* future binary compatibility */
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u_char rtm_type; /* message type */
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u_short rtm_index; /* index for associated ifp */
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int rtm_flags; /* flags, incl. kern & message, e.g. DONE */
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int rtm_addrs; /* bitmask identifying sockaddrs in msg */
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pid_t rtm_pid; /* identify sender */
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int rtm_seq; /* for sender to identify action */
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int rtm_errno; /* why failed */
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int rtm_use; /* from rtentry */
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u_long rtm_inits; /* which metrics we are initializing */
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struct rt_metrics50 rtm_rmx; /* metrics themselves */
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};
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#ifdef _KERNEL
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extern struct route_info compat_50_route_info;
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void compat_50_route_enqueue(struct mbuf *, int);
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void compat_50_rt_ifannouncemsg(struct ifnet *, int);
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void compat_50_rt_ieee80211msg(struct ifnet *, int, void *, size_t);
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void compat_50_rt_ifmsg(struct ifnet *);
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void compat_50_rt_missmsg(int, const struct rt_addrinfo *, int, int);
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struct mbuf *
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compat_50_rt_msg1(int, struct rt_addrinfo *, void *, int);
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void compat_50_rt_addrmsg_rt(int, struct ifaddr *, int, struct rtentry *);
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void compat_50_rt_addrmsg_src(int, struct ifaddr *, const struct sockaddr *);
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void compat_50_rt_addrmsg(int, struct ifaddr *);
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void compat_70_rt_newaddrmsg1(int, struct ifaddr *);
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#endif
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#define RTM_OVERSION 3 /* Up the ante and ignore older versions */
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#define RT_OROUNDUP(a) RT_ROUNDUP2((a), sizeof(long))
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#define RT_OADVANCE(x, n) (x += RT_OROUNDUP((n)->sa_len))
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#endif /* !_COMPAT_NET_ROUTE_H_ */
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