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authorbms <bms@FreeBSD.org>2004-03-31 09:17:26 +0000
committerbms <bms@FreeBSD.org>2004-03-31 09:17:26 +0000
commit281e9d71408deb6e8c5046c746c2e97002b0e7fe (patch)
treeeb08e08f0f875c3b16f8e1aec86091f100906f1c /contrib/tcpdump/print-sunatm.c
parentbe6faec6d07fc3a2a54836e76d0309c36192dfad (diff)
downloadFreeBSD-src-281e9d71408deb6e8c5046c746c2e97002b0e7fe.zip
FreeBSD-src-281e9d71408deb6e8c5046c746c2e97002b0e7fe.tar.gz
Import tcpdump 3.8.3, from http://www.tcpdump.org/releases/tcpdump-3.8.3.tar.gz
Diffstat (limited to 'contrib/tcpdump/print-sunatm.c')
-rw-r--r--contrib/tcpdump/print-sunatm.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/contrib/tcpdump/print-sunatm.c b/contrib/tcpdump/print-sunatm.c
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+++ b/contrib/tcpdump/print-sunatm.c
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+/*
+ * Copyright (c) 1997 Yen Yen Lim and North Dakota State University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Yen Yen Lim and
+ North Dakota State University
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-sunatm.c,v 1.5.2.2 2003/11/16 08:51:47 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+struct mbuf;
+struct rtentry;
+
+#include <stdio.h>
+#include <pcap.h>
+
+#include "interface.h"
+#include "extract.h"
+#include "addrtoname.h"
+
+#include "atm.h"
+#include "atmuni31.h"
+
+/* SunATM header for ATM packet */
+#define DIR_POS 0 /* Direction (0x80 = transmit, 0x00 = receive) */
+#define VPI_POS 1 /* VPI */
+#define VCI_POS 2 /* VCI */
+#define PKT_BEGIN_POS 4 /* Start of the ATM packet */
+
+/* Protocol type values in the bottom for bits of the byte at SUNATM_DIR_POS. */
+#define PT_LANE 0x01 /* LANE */
+#define PT_LLC 0x02 /* LLC encapsulation */
+
+/*
+ * This is the top level routine of the printer. 'p' points
+ * to the SunATM pseudo-header for the packet, 'h->ts' is the timestamp,
+ * 'h->length' is the length of the packet off the wire, and 'h->caplen'
+ * is the number of bytes actually captured.
+ */
+u_int
+sunatm_if_print(const struct pcap_pkthdr *h, const u_char *p)
+{
+ u_int caplen = h->caplen;
+ u_int length = h->len;
+ u_short vci;
+ u_char vpi;
+ u_int traftype;
+
+ if (caplen < PKT_BEGIN_POS) {
+ printf("[|atm]");
+ return (caplen);
+ }
+
+ if (eflag) {
+ if (p[DIR_POS] & 0x80)
+ printf("Tx: ");
+ else
+ printf("Rx: ");
+ }
+
+ switch (p[DIR_POS] & 0x0f) {
+
+ case PT_LANE:
+ traftype = ATM_LANE;
+ break;
+
+ case PT_LLC:
+ traftype = ATM_LLC;
+ break;
+
+ default:
+ traftype = ATM_UNKNOWN;
+ break;
+ }
+
+ vci = EXTRACT_16BITS(&p[VCI_POS]);
+ vpi = p[VPI_POS];
+
+ p += PKT_BEGIN_POS;
+ caplen -= PKT_BEGIN_POS;
+ length -= PKT_BEGIN_POS;
+ atm_print(vpi, vci, traftype, p, length, caplen);
+
+ return (PKT_BEGIN_POS);
+}
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