diff options
Diffstat (limited to 'freebsd/contrib/tcpdump/print-sunatm.c')
| -rw-r--r-- | freebsd/contrib/tcpdump/print-sunatm.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/print-sunatm.c b/freebsd/contrib/tcpdump/print-sunatm.c new file mode 100644 index 00000000..2cd223da --- /dev/null +++ b/freebsd/contrib/tcpdump/print-sunatm.c @@ -0,0 +1,119 @@ +#include <machine/rtems-bsd-user-space.h> + +/* + * 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 1.8 2004-03-17 23:24:38 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->len' 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); +} |