2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21 * From: NetBSD: print-arcnet.c,v 1.2 2000/04/24 13:02:28 itojun Exp
24 static const char rcsid[] =
25 "@(#) $Header: /tcpdump/master/tcpdump/print-arcnet.c,v 1.6 2001/09/17 21:57:54 fenner Exp $ (LBL)";
32 #include <sys/param.h>
34 #include <sys/socket.h>
39 #include <netinet/in.h>
44 #include "interface.h"
47 int arcnet_encap_print(u_char arctype, const u_char *p,
48 u_int length, u_int caplen);
50 struct tok arctypemap[] = {
51 { ARCTYPE_IP_OLD, "oldip" },
52 { ARCTYPE_ARP_OLD, "oldarp" },
54 { ARCTYPE_ARP, "arp" },
55 { ARCTYPE_REVARP, "rarp" },
56 { ARCTYPE_ATALK, "atalk" },
57 { ARCTYPE_BANIAN, "banyan" },
58 { ARCTYPE_IPX, "ipx" },
59 { ARCTYPE_INET6, "ipv6" },
60 { ARCTYPE_DIAGNOSE, "diag" },
65 arcnet_print(const u_char *bp, u_int length, int phds, int flag, u_int seqid)
67 const struct arc_header *ap;
68 const char *arctypename;
71 ap = (const struct arc_header *)bp;
75 (void)printf("%02x %02x %d: ",
82 arctypename = tok2str(arctypemap, "%02x", ap->arc_type);
85 (void)printf("%02x %02x %s %d: ",
86 ap->arc_shost, ap->arc_dhost, arctypename,
92 (void)printf("%02x %02x %s seqid %04x %d: ",
93 ap->arc_shost, ap->arc_dhost, arctypename, seqid,
99 (void)printf("%02x %02x %s seqid %04x "
100 "(first of %d fragments) %d: ",
101 ap->arc_shost, ap->arc_dhost, arctypename, seqid,
102 (flag + 3) / 2, length);
104 (void)printf("%02x %02x %s seqid %04x "
105 "(fragment %d) %d: ",
106 ap->arc_shost, ap->arc_dhost, arctypename, seqid,
111 * This is the top level routine of the printer. 'p' is the points
112 * to the ether header of the packet, 'tvp' is the timestamp,
113 * 'length' is the length of the packet off the wire, and 'caplen'
114 * is the number of bytes actually captured.
117 arcnet_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
119 u_int caplen = h->caplen;
120 u_int length = h->len;
121 const struct arc_header *ap;
123 int phds, flag = 0, archdrlen = 0;
130 if (caplen < ARC_HDRLEN) {
135 ap = (const struct arc_header *)p;
136 arc_type = ap->arc_type;
143 case ARCTYPE_ARP_OLD:
144 case ARCTYPE_DIAGNOSE:
146 archdrlen = ARC_HDRLEN;
151 if (caplen < ARC_HDRNEWLEN) {
152 arcnet_print(p, length, 0, 0, 0);
157 if (ap->arc_flag == 0xff) {
158 if (caplen < ARC_HDRNEWLEN_EXC) {
159 arcnet_print(p, length, 0, 0, 0);
160 printf("[|phds extended]");
163 flag = ap->arc_flag2;
164 seqid = ap->arc_seqid2;
165 archdrlen = ARC_HDRNEWLEN_EXC;
168 seqid = ap->arc_seqid;
169 archdrlen = ARC_HDRNEWLEN;
175 arcnet_print(p, length, phds, flag, seqid);
178 * Some printers want to get back at the ethernet addresses,
179 * and/or check that they're not walking off the end of the packet.
180 * Rather than pass them all the way down, we set these globals.
183 snapend = p + caplen;
189 if (phds && flag && (flag & 1) == 0)
192 if (!arcnet_encap_print(arc_type, p, length, caplen)) {
193 default_print(p, caplen);
199 default_print(p, caplen);
209 * Prints the packet encapsulated in an ARCnet data field,
210 * given the ARCnet system code.
212 * Returns non-zero if it can do so, zero if the system code is unknown.
217 arcnet_encap_print(u_char arctype, const u_char *p,
218 u_int length, u_int caplen)
229 ip6_print(p, length);
233 case ARCTYPE_ARP_OLD:
236 arp_print(p, length, caplen);
239 case ARCTYPE_ATALK: /* XXX was this ever used? */
241 fputs("et1 ", stdout);
242 atalk_print(p, length);