/* * Marko Kiiskila carnil@cs.tut.fi * * Tampere University of Technology - Telecommunications Laboratory * * Permission to use, copy, modify and distribute this * software and its documentation is hereby granted, * provided that both the copyright notice and this * permission notice appear in all copies of the software, * derivative works or modified versions, and any portions * thereof, that both notices appear in supporting * documentation, and that the use of this software is * acknowledged in any publications resulting from using * the software. * * TUT ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION AND DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS * SOFTWARE. * */#ifndef lintstatic const char rcsid[] _U_ =    "@(#) $Header: /tcpdump/master/tcpdump/print-lane.c,v 1.25 2005-11-13 12:12:42 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 "extract.h"#include "ether.h"#include "lane.h"static const struct tok lecop2str[] = {	{ 0x0001,	"configure request" },	{ 0x0101,	"configure response" },	{ 0x0002,	"join request" },	{ 0x0102,	"join response" },	{ 0x0003,	"ready query" },	{ 0x0103,	"ready indication" },	{ 0x0004,	"register request" },	{ 0x0104,	"register response" },	{ 0x0005,	"unregister request" },	{ 0x0105,	"unregister response" },	{ 0x0006,	"ARP request" },	{ 0x0106,	"ARP response" },	{ 0x0007,	"flush request" },	{ 0x0107,	"flush response" },	{ 0x0008,	"NARP request" },	{ 0x0009,	"topology request" },	{ 0,		NULL }};static inline voidlane_hdr_print(register const u_char *bp, int length){	register const struct lecdatahdr_8023 *ep;	ep = (const struct lecdatahdr_8023 *)bp;	if (qflag)		(void)printf("lecid:%x %s %s %d: ",			     EXTRACT_16BITS(&ep->le_header),			     etheraddr_string(ep->h_source),			     etheraddr_string(ep->h_dest),			     length);	else		(void)printf("lecid:%x %s %s %s %d: ",			     EXTRACT_16BITS(&ep->le_header),			     etheraddr_string(ep->h_source),			     etheraddr_string(ep->h_dest),			     etherproto_string(ep->h_type),			     length);}/* * This is the top level routine of the printer.  'p' points * to the LANE 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. * * This assumes 802.3, not 802.5, LAN emulation. */voidlane_print(const u_char *p, u_int length, u_int caplen){	struct lane_controlhdr *lec;	struct lecdatahdr_8023 *ep;	u_short ether_type;	u_short extracted_ethertype;	if (caplen < sizeof(struct lane_controlhdr)) {		printf("[|lane]");		return;	}	lec = (struct lane_controlhdr *)p;	if (EXTRACT_16BITS(&lec->lec_header) == 0xff00) {		/*		 * LE Control.		 */		printf("lec: proto %x vers %x %s",		    lec->lec_proto, lec->lec_vers,		    tok2str(lecop2str, "opcode-#%u", EXTRACT_16BITS(&lec->lec_opcode)));		return;	}	if (caplen < sizeof(struct lecdatahdr_8023)) {		printf("[|lane]");		return;	}	if (eflag)		lane_hdr_print(p, length);	/*	 * Go past the LANE header.	 */	length -= sizeof(struct lecdatahdr_8023);	caplen -= sizeof(struct lecdatahdr_8023);	ep = (struct lecdatahdr_8023 *)p;	p += sizeof(struct lecdatahdr_8023);	ether_type = EXTRACT_16BITS(&ep->h_type);	/*	 * Is it (gag) an 802.3 encapsulation?	 */	if (ether_type <= ETHERMTU) {		/* Try to print the LLC-layer header & higher layers */		if (llc_print(p, length, caplen, ep->h_source, ep->h_dest,		    &extracted_ethertype) == 0) {			/* ether_type not known, print raw packet */			if (!eflag)				lane_hdr_print((u_char *)ep, length + sizeof(*ep));			if (extracted_ethertype) {				printf("(LLC %s) ",			       etherproto_string(htons(extracted_ethertype)));			}			if (!suppress_default_print)				default_print(p, caplen);		}	} else if (ether_encap_print(ether_type, p, length, caplen,	    &extracted_ethertype) == 0) {		/* ether_type not known, print raw packet */		if (!eflag)			lane_hdr_print((u_char *)ep, length + sizeof(*ep));		if (!suppress_default_print)			default_print(p, caplen);	}}u_intlane_if_print(const struct pcap_pkthdr *h, const u_char *p){	lane_print(p, h->len, h->caplen);	return (sizeof(struct lecdatahdr_8023));}