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[] _U_ =
25 "@(#) $Header: /tcpdump/master/tcpdump/print-arcnet.c,v 1.20 2005-04-06 21:32:38 mcr Exp $ (LBL)";
32 #include <tcpdump-stdinc.h>
37 #include "interface.h"
41 static int arcnet_encap_print(u_char arctype, const u_char *p,
42 u_int length, u_int caplen);
44 struct tok arctypemap[] = {
45 { ARCTYPE_IP_OLD, "oldip" },
46 { ARCTYPE_ARP_OLD, "oldarp" },
48 { ARCTYPE_ARP, "arp" },
49 { ARCTYPE_REVARP, "rarp" },
50 { ARCTYPE_ATALK, "atalk" },
51 { ARCTYPE_BANIAN, "banyan" },
52 { ARCTYPE_IPX, "ipx" },
53 { ARCTYPE_INET6, "ipv6" },
54 { ARCTYPE_DIAGNOSE, "diag" },
59 arcnet_print(const u_char *bp, u_int length, int phds, int flag, u_int seqid)
61 const struct arc_header *ap;
62 const char *arctypename;
65 ap = (const struct arc_header *)bp;
69 (void)printf("%02x %02x %d: ",
76 arctypename = tok2str(arctypemap, "%02x", ap->arc_type);
79 (void)printf("%02x %02x %s %d: ",
80 ap->arc_shost, ap->arc_dhost, arctypename,
86 (void)printf("%02x %02x %s seqid %04x %d: ",
87 ap->arc_shost, ap->arc_dhost, arctypename, seqid,
93 (void)printf("%02x %02x %s seqid %04x "
94 "(first of %d fragments) %d: ",
95 ap->arc_shost, ap->arc_dhost, arctypename, seqid,
96 (flag + 3) / 2, length);
98 (void)printf("%02x %02x %s seqid %04x "
100 ap->arc_shost, ap->arc_dhost, arctypename, seqid,
105 * This is the top level routine of the printer. 'p' points
106 * to the ARCNET header of the packet, 'h->ts' is the timestamp,
107 * 'h->len' is the length of the packet off the wire, and 'h->caplen'
108 * is the number of bytes actually captured.
111 arcnet_if_print(const struct pcap_pkthdr *h, const u_char *p)
113 u_int caplen = h->caplen;
114 u_int length = h->len;
115 const struct arc_header *ap;
117 int phds, flag = 0, archdrlen = 0;
121 if (caplen < ARC_HDRLEN) {
126 ap = (const struct arc_header *)p;
127 arc_type = ap->arc_type;
134 case ARCTYPE_ARP_OLD:
135 case ARCTYPE_DIAGNOSE:
137 archdrlen = ARC_HDRLEN;
142 if (caplen < ARC_HDRNEWLEN) {
143 arcnet_print(p, length, 0, 0, 0);
148 if (ap->arc_flag == 0xff) {
149 if (caplen < ARC_HDRNEWLEN_EXC) {
150 arcnet_print(p, length, 0, 0, 0);
151 printf("[|phds extended]");
154 flag = ap->arc_flag2;
155 seqid = EXTRACT_16BITS(&ap->arc_seqid2);
156 archdrlen = ARC_HDRNEWLEN_EXC;
159 seqid = EXTRACT_16BITS(&ap->arc_seqid);
160 archdrlen = ARC_HDRNEWLEN;
166 arcnet_print(p, length, phds, flag, seqid);
169 * Go past the ARCNET header.
175 if (phds && flag && (flag & 1) == 0) {
177 * This is a middle fragment.
182 if (!arcnet_encap_print(arc_type, p, length, caplen))
183 default_print(p, caplen);
189 * This is the top level routine of the printer. 'p' points
190 * to the ARCNET header of the packet, 'h->ts' is the timestamp,
191 * 'h->len' is the length of the packet off the wire, and 'h->caplen'
192 * is the number of bytes actually captured. It is quite similar
193 * to the non-Linux style printer except that Linux doesn't ever
194 * supply packets that look like exception frames, it always supplies
195 * reassembled packets rather than raw frames, and headers have an
196 * extra "offset" field between the src/dest and packet type.
199 arcnet_linux_if_print(const struct pcap_pkthdr *h, const u_char *p)
201 u_int caplen = h->caplen;
202 u_int length = h->len;
203 const struct arc_linux_header *ap;
208 if (caplen < ARC_LINUX_HDRLEN) {
213 ap = (const struct arc_linux_header *)p;
214 arc_type = ap->arc_type;
218 archdrlen = ARC_LINUX_HDRNEWLEN;
219 if (caplen < ARC_LINUX_HDRNEWLEN) {
225 case ARCTYPE_ARP_OLD:
226 case ARCTYPE_DIAGNOSE:
227 archdrlen = ARC_LINUX_HDRLEN;
232 arcnet_print(p, length, 0, 0, 0);
235 * Go past the ARCNET header.
241 if (!arcnet_encap_print(arc_type, p, length, caplen))
242 default_print(p, caplen);
248 * Prints the packet encapsulated in an ARCnet data field,
249 * given the ARCnet system code.
251 * Returns non-zero if it can do so, zero if the system code is unknown.
256 arcnet_encap_print(u_char arctype, const u_char *p,
257 u_int length, u_int caplen)
263 ip_print(gndo, p, length);
268 ip6_print(gndo, p, length);
272 case ARCTYPE_ARP_OLD:
275 arp_print(gndo, p, length, caplen);
278 case ARCTYPE_ATALK: /* XXX was this ever used? */
280 fputs("et1 ", stdout);
281 atalk_print(p, length);
285 ipx_print(p, length);