[dragonfly.git] / contrib / tcpdump / print-ap1394.c

/*
 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
 *	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: (1) source code distributions
 * retain the above copyright notice and this paragraph in its entirety, (2)
 * distributions including binary code include the above copyright notice and
 * this paragraph in its entirety in the documentation or other materials
 * provided with the distribution, and (3) all advertising materials mentioning
 * features or use of this software display the following acknowledgement:
 * ``This product includes software developed by the University of California,
 * Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
#ifndef lint
static const char rcsid[] _U_ =
    "@(#) $Header: /tcpdump/master/tcpdump/print-ap1394.c,v 1.3.2.1 2005/07/07 01:24:33 guy Exp $ (LBL)";
#endif

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <tcpdump-stdinc.h>

#include <stdio.h>
#include <pcap.h>

#include "interface.h"
#include "addrtoname.h"
#include "ethertype.h"

/*
 * Structure of a header for Apple's IP-over-IEEE 1384 BPF header.
 */
#define FIREWIRE_EUI64_LEN	8
struct firewire_header {
	u_char  firewire_dhost[FIREWIRE_EUI64_LEN];
	u_char  firewire_shost[FIREWIRE_EUI64_LEN];
	u_short firewire_type;
};

/*
 * Length of that header; note that some compilers may pad
 * "struct firewire_header" to a multiple of 4 bytes, for example, so
 * "sizeof (struct firewire_header)" may not give the right answer.
 */
#define FIREWIRE_HDRLEN		18

static inline void
ap1394_hdr_print(register const u_char *bp, u_int length)
{
	register const struct firewire_header *fp;
	fp = (const struct firewire_header *)bp;

	(void)printf("%s > %s",
		     linkaddr_string(fp->firewire_dhost, FIREWIRE_EUI64_LEN),
		     linkaddr_string(fp->firewire_shost, FIREWIRE_EUI64_LEN));

	if (!qflag) {
		(void)printf(", ethertype %s (0x%04x)",
			       tok2str(ethertype_values,"Unknown", ntohs(fp->firewire_type)),
                               ntohs(fp->firewire_type));	      
        } else {
                (void)printf(", %s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", ntohs(fp->firewire_type)));  
        }

	(void)printf(", length %u: ", length);
}

/*
 * This is the top level routine of the printer.  'p' points
 * to the ether header of the packet, 'h->ts' is the timestamp,
 * 'h->len' is the length of the packet off the wire, and 'h->caplen'
 * is the number of bytes actually captured.
 */
u_int
ap1394_if_print(const struct pcap_pkthdr *h, const u_char *p)
{
	u_int length = h->len;
	u_int caplen = h->caplen;
	struct firewire_header *fp;
	u_short ether_type;
	u_short extracted_ether_type;

	if (caplen < FIREWIRE_HDRLEN) {
		printf("[|ap1394]");
		return FIREWIRE_HDRLEN;
	}

	if (eflag)
		ap1394_hdr_print(p, length);

	length -= FIREWIRE_HDRLEN;
	caplen -= FIREWIRE_HDRLEN;
	fp = (struct firewire_header *)p;
	p += FIREWIRE_HDRLEN;

	ether_type = ntohs(fp->firewire_type);

	extracted_ether_type = 0;
	if (ether_encap_print(ether_type, p, length, caplen,
	    &extracted_ether_type) == 0) {
		/* ether_type not known, print raw packet */
		if (!eflag)
			ap1394_hdr_print((u_char *)fp, length + FIREWIRE_HDRLEN);

		if (!suppress_default_print)
			default_print(p, caplen);
	} 

	return FIREWIRE_HDRLEN;
}
Commit	Line	Data
c8cf0f94 PA	1	/*
	2	* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
	3	* The Regents of the University of California. All rights reserved.
	4	*
	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
	16	* written permission.
	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.
	20	*/
	21	#ifndef lint
	22	static const char rcsid[] _U_ =
	23	"@(#) $Header: /tcpdump/master/tcpdump/print-ap1394.c,v 1.3.2.1 2005/07/07 01:24:33 guy Exp $ (LBL)";
	24	#endif
	25
	26	#ifdef HAVE_CONFIG_H
	27	#include "config.h"
	28	#endif
	29
	30	#include <tcpdump-stdinc.h>
	31
	32	#include <stdio.h>
	33	#include <pcap.h>
	34
	35	#include "interface.h"
	36	#include "addrtoname.h"
	37	#include "ethertype.h"
	38
	39	/*
	40	* Structure of a header for Apple's IP-over-IEEE 1384 BPF header.
	41	*/
	42	#define FIREWIRE_EUI64_LEN 8
	43	struct firewire_header {
	44	u_char firewire_dhost[FIREWIRE_EUI64_LEN];
	45	u_char firewire_shost[FIREWIRE_EUI64_LEN];
	46	u_short firewire_type;
	47	};
	48
	49	/*
	50	* Length of that header; note that some compilers may pad
	51	* "struct firewire_header" to a multiple of 4 bytes, for example, so
	52	* "sizeof (struct firewire_header)" may not give the right answer.
	53	*/
	54	#define FIREWIRE_HDRLEN 18
	55
	56	static inline void
	57	ap1394_hdr_print(register const u_char *bp, u_int length)
	58	{
	59	register const struct firewire_header *fp;
	60	fp = (const struct firewire_header *)bp;
	61
	62	(void)printf("%s > %s",
	63	linkaddr_string(fp->firewire_dhost, FIREWIRE_EUI64_LEN),
	64	linkaddr_string(fp->firewire_shost, FIREWIRE_EUI64_LEN));
65
66	if (!qflag) {
67	(void)printf(", ethertype %s (0x%04x)",
68	tok2str(ethertype_values,"Unknown", ntohs(fp->firewire_type)),
69	ntohs(fp->firewire_type));
70	} else {
71	(void)printf(", %s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", ntohs(fp->firewire_type)));
72	}
73
74	(void)printf(", length %u: ", length);
75	}
76
77	/*
78	* This is the top level routine of the printer. 'p' points
79	* to the ether header of the packet, 'h->ts' is the timestamp,
80	* 'h->len' is the length of the packet off the wire, and 'h->caplen'
81	* is the number of bytes actually captured.
82	*/
83	u_int
84	ap1394_if_print(const struct pcap_pkthdr h, const u_char p)
85	{
86	u_int length = h->len;
87	u_int caplen = h->caplen;
88	struct firewire_header *fp;
89	u_short ether_type;
90	u_short extracted_ether_type;
91
92	if (caplen < FIREWIRE_HDRLEN) {
93	printf("[\|ap1394]");
94	return FIREWIRE_HDRLEN;
95	}
96
97	if (eflag)
98	ap1394_hdr_print(p, length);
99
100	length -= FIREWIRE_HDRLEN;
101	caplen -= FIREWIRE_HDRLEN;
102	fp = (struct firewire_header *)p;
103	p += FIREWIRE_HDRLEN;
104
105	ether_type = ntohs(fp->firewire_type);
106
107	extracted_ether_type = 0;
108	if (ether_encap_print(ether_type, p, length, caplen,
109	&extracted_ether_type) == 0) {
110	/* ether_type not known, print raw packet */
111	if (!eflag)
112	ap1394_hdr_print((u_char *)fp, length + FIREWIRE_HDRLEN);
113
114	if (!suppress_default_print)
115	default_print(p, caplen);
116	}
117
118	return FIREWIRE_HDRLEN;
119	}