2 * Copyright (c) 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.
24 static const char rcsid[] =
25 "@(#) $Header: /tcpdump/master/tcpdump/print-atm.c,v 1.20 2000/12/22 22:45:09 guy Exp $ (LBL)";
32 #include <sys/param.h>
34 #include <sys/socket.h>
36 #include <netinet/in.h>
41 #include "interface.h"
42 #include "addrtoname.h"
43 #include "ethertype.h"
46 * This is the top level routine of the printer. 'p' is the points
47 * to the LLC/SNAP header of the packet, 'tvp' is the timestamp,
48 * 'length' is the length of the packet off the wire, and 'caplen'
49 * is the number of bytes actually captured.
52 atm_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
54 u_int caplen = h->caplen;
55 u_int length = h->len;
56 u_short ethertype, extracted_ethertype;
65 if (p[4] == 0xaa || p[5] == 0xaa || p[6] == 0x03) {
66 /* if first 4 bytes are cookie/vpci */
69 p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]);
75 else if (p[0] != 0xaa || p[1] != 0xaa || p[2] != 0x03) {
76 /*XXX assume 802.6 MAC header from fore driver */
78 printf("%04x%04x %04x%04x ",
79 p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3],
80 p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7],
81 p[8] << 24 | p[9] << 16 | p[10] << 8 | p[11],
82 p[12] << 24 | p[13] << 16 | p[14] << 8 | p[15]);
87 ethertype = p[6] << 8 | p[7];
89 printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
90 p[0], p[1], p[2], /* dsap/ssap/ctrl */
91 p[3], p[4], p[5], /* manufacturer's code */
95 * Some printers want to get back at the ethernet addresses,
96 * and/or check that they're not walking off the end of the packet.
97 * Rather than pass them all the way down, we set these globals.
100 snapend = p + caplen;
114 ip6_print(p, length);
118 /*XXX this probably isn't right */
120 case ETHERTYPE_REVARP:
121 arp_print(p, length, caplen);
125 decnet_print(p, length, caplen);
128 case ETHERTYPE_ATALK:
130 fputs("et1 ", stdout);
131 atalk_print(p, length);
135 aarp_print(p, length);
139 case ETHERTYPE_MOPRC:
140 case ETHERTYPE_MOPDL:
141 /* default_print for now */
144 /* ether_type not known, forward it to llc_print */
146 printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
147 packetp[0], packetp[1], packetp[2], /* dsap/ssap/ctrl */
148 packetp[3], packetp[4], packetp[5], /* manufacturer's code */
150 if (!xflag && !qflag) {
151 extracted_ethertype = 0;
152 /* default_print(p, caplen); */
153 llc_print(p-8,length+8,caplen+8,"000000","000000", &extracted_ethertype);
157 default_print(p, caplen);