1214456Srpaulo/* 2214456Srpaulo * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000 3214456Srpaulo * The Regents of the University of California. All rights reserved. 4214456Srpaulo * 5214456Srpaulo * Redistribution and use in source and binary forms, with or without 6214456Srpaulo * modification, are permitted provided that: (1) source code distributions 7214456Srpaulo * retain the above copyright notice and this paragraph in its entirety, (2) 8214456Srpaulo * distributions including binary code include the above copyright notice and 9214456Srpaulo * this paragraph in its entirety in the documentation or other materials 10214456Srpaulo * provided with the distribution, and (3) all advertising materials mentioning 11214456Srpaulo * features or use of this software display the following acknowledgement: 12214456Srpaulo * ``This product includes software developed by the University of California, 13214456Srpaulo * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14214456Srpaulo * the University nor the names of its contributors may be used to endorse 15214456Srpaulo * or promote products derived from this software without specific prior 16214456Srpaulo * written permission. 17214456Srpaulo * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18214456Srpaulo * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19214456Srpaulo * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20214456Srpaulo */ 21214456Srpaulo#ifndef lint 22214456Srpaulostatic const char rcsid[] _U_ = 23214456Srpaulo "@(#) $Header: /tcpdump/master/tcpdump/print-ap1394.c,v 1.5 2006-02-11 22:12:06 hannes Exp $ (LBL)"; 24214456Srpaulo#endif 25214456Srpaulo 26214456Srpaulo#ifdef HAVE_CONFIG_H 27214456Srpaulo#include "config.h" 28214456Srpaulo#endif 29214456Srpaulo 30214456Srpaulo#include <tcpdump-stdinc.h> 31214456Srpaulo 32214456Srpaulo#include <stdio.h> 33214456Srpaulo#include <pcap.h> 34214456Srpaulo 35214456Srpaulo#include "interface.h" 36214456Srpaulo#include "extract.h" 37214456Srpaulo#include "addrtoname.h" 38214456Srpaulo#include "ethertype.h" 39214456Srpaulo 40214456Srpaulo/* 41214456Srpaulo * Structure of a header for Apple's IP-over-IEEE 1384 BPF header. 42214456Srpaulo */ 43214456Srpaulo#define FIREWIRE_EUI64_LEN 8 44214456Srpaulostruct firewire_header { 45214456Srpaulo u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 46214456Srpaulo u_char firewire_shost[FIREWIRE_EUI64_LEN]; 47214456Srpaulo u_short firewire_type; 48214456Srpaulo}; 49214456Srpaulo 50214456Srpaulo/* 51214456Srpaulo * Length of that header; note that some compilers may pad 52214456Srpaulo * "struct firewire_header" to a multiple of 4 bytes, for example, so 53214456Srpaulo * "sizeof (struct firewire_header)" may not give the right answer. 54214456Srpaulo */ 55214456Srpaulo#define FIREWIRE_HDRLEN 18 56214456Srpaulo 57214456Srpaulostatic inline void 58214456Srpauloap1394_hdr_print(register const u_char *bp, u_int length) 59214456Srpaulo{ 60214456Srpaulo register const struct firewire_header *fp; 61214456Srpaulo u_int16_t firewire_type; 62214456Srpaulo 63214456Srpaulo fp = (const struct firewire_header *)bp; 64214456Srpaulo 65214456Srpaulo (void)printf("%s > %s", 66214456Srpaulo linkaddr_string(fp->firewire_dhost, LINKADDR_IEEE1394, FIREWIRE_EUI64_LEN), 67214456Srpaulo linkaddr_string(fp->firewire_shost, LINKADDR_IEEE1394, FIREWIRE_EUI64_LEN)); 68214456Srpaulo 69214456Srpaulo firewire_type = EXTRACT_16BITS(&fp->firewire_type); 70214456Srpaulo if (!qflag) { 71214456Srpaulo (void)printf(", ethertype %s (0x%04x)", 72214456Srpaulo tok2str(ethertype_values,"Unknown", firewire_type), 73214456Srpaulo firewire_type); 74214456Srpaulo } else { 75214456Srpaulo (void)printf(", %s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", firewire_type)); 76214456Srpaulo } 77214456Srpaulo 78214456Srpaulo (void)printf(", length %u: ", length); 79214456Srpaulo} 80214456Srpaulo 81214456Srpaulo/* 82214456Srpaulo * This is the top level routine of the printer. 'p' points 83214456Srpaulo * to the ether header of the packet, 'h->ts' is the timestamp, 84214456Srpaulo * 'h->len' is the length of the packet off the wire, and 'h->caplen' 85214456Srpaulo * is the number of bytes actually captured. 86214456Srpaulo */ 87214456Srpaulou_int 88214456Srpauloap1394_if_print(const struct pcap_pkthdr *h, const u_char *p) 89214456Srpaulo{ 90214456Srpaulo u_int length = h->len; 91214456Srpaulo u_int caplen = h->caplen; 92214456Srpaulo struct firewire_header *fp; 93214456Srpaulo u_short ether_type; 94214456Srpaulo 95214456Srpaulo if (caplen < FIREWIRE_HDRLEN) { 96214456Srpaulo printf("[|ap1394]"); 97214456Srpaulo return FIREWIRE_HDRLEN; 98214456Srpaulo } 99214456Srpaulo 100214456Srpaulo if (eflag) 101214456Srpaulo ap1394_hdr_print(p, length); 102214456Srpaulo 103214456Srpaulo length -= FIREWIRE_HDRLEN; 104214456Srpaulo caplen -= FIREWIRE_HDRLEN; 105214456Srpaulo fp = (struct firewire_header *)p; 106214456Srpaulo p += FIREWIRE_HDRLEN; 107214456Srpaulo 108214456Srpaulo ether_type = EXTRACT_16BITS(&fp->firewire_type); 109214456Srpaulo if (ethertype_print(gndo, ether_type, p, length, caplen) == 0) { 110214456Srpaulo /* ether_type not known, print raw packet */ 111214456Srpaulo if (!eflag) 112214456Srpaulo ap1394_hdr_print((u_char *)fp, length + FIREWIRE_HDRLEN); 113214456Srpaulo 114214456Srpaulo if (!suppress_default_print) 115214456Srpaulo default_print(p, caplen); 116214456Srpaulo } 117214456Srpaulo 118214456Srpaulo return FIREWIRE_HDRLEN; 119214456Srpaulo} 120214456Srpaulo