Initial revision

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diff --git a/isisd/include-netbsd/esis.h b/isisd/include-netbsd/esis.h
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+/*	$NetBSD: esis.h,v 1.11 1997/11/03 15:01:19 is Exp $	*/

+

+/*-

+ * Copyright (c) 1991, 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.

+ *

+ *	@(#)esis.h	8.1 (Berkeley) 6/10/93

+ */

+

+/***********************************************************

+		Copyright IBM Corporation 1987

+

+                      All Rights Reserved

+

+Permission to use, copy, modify, and distribute this software and its

+documentation for any purpose and without fee is hereby granted,

+provided that the above copyright notice appear in all copies and that

+both that copyright notice and this permission notice appear in

+supporting documentation, and that the name of IBM not be

+used in advertising or publicity pertaining to distribution of the

+software without specific, written prior permission.

+

+IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING

+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL

+IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR

+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,

+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,

+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS

+SOFTWARE.

+

+******************************************************************/

+

+/*

+ * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison

+ */

+

+#include <machine/endian.h>

+

+#define	SNPAC_AGE		60	/* seconds */

+#define	ESIS_CONFIG		60	/* seconds */

+#define	ESIS_HT			(ESIS_CONFIG * 2)

+

+/*

+ *	Fixed part of an ESIS header

+ */

+struct esis_fixed {

+	u_char          esis_proto_id;	/* network layer protocol identifier */

+	u_char          esis_hdr_len;	/* length indicator (octets) */

+	u_char          esis_vers;	/* version/protocol identifier

+					 * extension */

+	u_char          esis_res1;	/* reserved */

+	u_char          esis_type;	/* type code */

+	/* technically, type should be &='d 0x1f */

+#define ESIS_ESH	0x02	/* End System Hello */

+#define ESIS_ISH	0x04	/* Intermediate System Hello */

+#define ESIS_RD		0x06	/* Redirect */

+	u_char          esis_ht_msb;	/* holding time (seconds) high byte */

+	u_char          esis_ht_lsb;	/* holding time (seconds) low byte */

+	u_char          esis_cksum_msb;	/* checksum high byte */

+	u_char          esis_cksum_lsb;	/* checksum low byte */

+} __attribute__((packed));

+/*

+ * Values for ESIS datagram options

+ */

+#define ESISOVAL_NETMASK	0xe1	/* address mask option, RD PDU only */

+#define ESISOVAL_SNPAMASK	0xe2	/* snpa mask option, RD PDU only */

+#define ESISOVAL_ESCT		0xc6	/* end system conf. timer, ISH PDU

+					 * only */

+

+

+#define	ESIS_CKSUM_OFF		0x07

+#define ESIS_CKSUM_REQUIRED(pdu)\

+	((pdu->esis_cksum_msb != 0) || (pdu->esis_cksum_lsb != 0))

+

+#define	ESIS_VERSION	1

+

+struct esis_stat {

+	u_short         es_nomem;	/* insufficient memory to send hello */

+	u_short         es_badcsum;	/* incorrect checksum */

+	u_short         es_badvers;	/* incorrect version number */

+	u_short         es_badtype;	/* unknown pdu type field */

+	u_short         es_toosmall;	/* packet too small */

+	u_short         es_eshsent;	/* ESH sent */

+	u_short         es_eshrcvd;	/* ESH rcvd */

+	u_short         es_ishsent;	/* ISH sent */

+	u_short         es_ishrcvd;	/* ISH rcvd */

+	u_short         es_rdsent;	/* RD sent */

+	u_short         es_rdrcvd;	/* RD rcvd */

+};

+

+#ifdef	_KERNEL

+struct esis_stat esis_stat;

+struct socket;

+struct mbuf;

+struct snpa_hdr;

+struct clnp_optidx;

+struct iso_addr;

+struct rtentry;

+struct sockaddr_dl;

+

+void esis_init __P((void));

+int esis_usrreq __P((struct socket *, int, struct mbuf *, struct mbuf *,

+		     struct mbuf *, struct proc *));

+void esis_input __P((struct mbuf *, ...));

+void esis_rdoutput __P((struct snpa_hdr *, struct mbuf *, struct clnp_optidx *,

+			struct iso_addr *, struct rtentry *));

+int esis_insert_addr __P((caddr_t *, int *, struct iso_addr *, struct mbuf *,

+			  int));

+void esis_eshinput __P((struct mbuf *, struct snpa_hdr *));

+void esis_ishinput __P((struct mbuf *, struct snpa_hdr *));

+void esis_rdinput __P((struct mbuf *, struct snpa_hdr *));

+void esis_config __P((void *));

+void esis_shoutput __P((struct ifnet *, int, int, caddr_t, int,

+	               struct iso_addr *));

+void isis_input __P((struct mbuf *, ...));

+int isis_output __P((struct mbuf *, ...));

+void *esis_ctlinput __P((int, struct sockaddr *, void *));

+#endif /* _KERNEL */