190 lines
6.5 KiB
C
190 lines
6.5 KiB
C
/* $NetBSD: eonvar.h,v 1.10 2001/01/17 04:05:45 itojun Exp $ */
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/*-
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* Copyright (c) 1991, 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* @(#)eonvar.h 8.1 (Berkeley) 6/10/93
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*/
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/***********************************************************
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Copyright IBM Corporation 1987
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of IBM not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/*
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* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
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*/
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#include <sys/ansi.h>
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#ifndef sa_family_t
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typedef __sa_family_t sa_family_t;
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#define sa_family_t __sa_family_t
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#endif
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#define EON_986_VERSION 0x3
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#define EON_VERSION 0x1
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#define EON_CACHESIZE 30
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#define E_FREE 1
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#define E_LINK 2
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#define E_ES 3
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#define E_IS 4
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/*
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* this overlays a sockaddr_iso
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*/
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struct sockaddr_eon {
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u_char seon_len; /* Length */
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sa_family_t seon_family; /* AF_ISO */
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u_char seon_status; /* overlays session suffixlen */
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#define EON_ESLINK_UP 0x1
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#define EON_ESLINK_DOWN 0x2
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#define EON_ISLINK_UP 0x10
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#define EON_ISLINK_DOWN 0x20
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/* no change is neither up or down */
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u_char seon_pad1; /* 0, overlays tsfxlen */
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u_char seon_adrlen;
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u_char seon_afi; /* 47 */
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u_char seon_idi[2]; /* 0006 */
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u_char seon_vers; /* 03 */
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u_char seon_glbnum[2]; /* see RFC 1069 */
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u_char seon_RDN[2]; /* see RFC 1070 */
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u_char seon_pad2[3]; /* see RFC 1070 */
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u_char seon_LAREA[2]; /* see RFC 1070 */
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u_char seon_pad3[2]; /* see RFC 1070 */
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/*
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* right now ip addr is aligned -- be careful -- future revisions
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* may have it u_char[4]
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*/
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u_int seon_ipaddr; /* a.b.c.d */
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u_char seon_protoid; /* NSEL */
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};
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#ifdef EON_TEMPLATE
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struct sockaddr_eon eon_template = {
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sizeof(eon_template), AF_ISO, 0, 0, 0x14,
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0x47, 0x0, 0x6, 0x3, 0
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};
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#endif
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#define DOWNBITS ( EON_ESLINK_DOWN | EON_ISLINK_DOWN )
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#define UPBITS ( EON_ESLINK_UP | EON_ISLINK_UP )
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struct eon_hdr {
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u_char eonh_vers; /* value 1 */
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u_char eonh_class; /* address multicast class, below */
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#define EON_NORMAL_ADDR 0x0
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#define EON_MULTICAST_ES 0x1
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#define EON_MULTICAST_IS 0x2
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#define EON_BROADCAST 0x3
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u_short eonh_csum; /* osi checksum (choke) */
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};
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struct eon_iphdr {
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struct ip ei_ip;
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struct eon_hdr ei_eh;
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};
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#define EONIPLEN (sizeof(struct eon_hdr) + sizeof(struct ip))
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/* stole these 2 fields of the flags for I-am-ES and I-am-IS */
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#define IFF_ES 0x400
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#define IFF_IS 0x800
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struct eon_stat {
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int es_in_multi_es;
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int es_in_multi_is;
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int es_in_broad;
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int es_in_normal;
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int es_out_multi_es;
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int es_out_multi_is;
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int es_out_broad;
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int es_out_normal;
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int es_ipout;
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int es_icmp[PRC_NCMDS];
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/* errors */
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int es_badcsum;
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int es_badhdr;
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} eonstat;
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#undef IncStat
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#define IncStat(xxx) eonstat.xxx++
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typedef struct qhdr {
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struct qhdr *link, *rlink;
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} *queue_t;
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struct eon_llinfo {
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struct qhdr el_qhdr;/* keep all in a list */
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int el_flags; /* cache valid ? */
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int el_snpaoffset; /* IP address contained in dst nsap */
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struct rtentry *el_rt; /* back pointer to parent route */
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struct eon_iphdr el_ei; /* precomputed portion of hdr */
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struct route el_iproute; /* if direct route cache IP info */
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/* if gateway, cache secondary route */
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};
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#define el_iphdr el_ei.ei_ip
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#define el_eonhdr el_ei.ei_eh
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#ifdef _KERNEL
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void eonprotoinit __P((void));
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void eonattach __P((void));
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int eonioctl __P((struct ifnet *, u_long, caddr_t));
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void eoniphdr __P((struct eon_iphdr *, caddr_t, struct route *, int, int));
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void eonrtrequest __P((int, struct rtentry *, struct rt_addrinfo *));
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int eonoutput __P((struct ifnet *, struct mbuf *, struct sockaddr *,
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struct rtentry *));
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void eoninput __P((struct mbuf *, ...));
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void *eonctlinput __P((int, struct sockaddr *, void *));
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#endif
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