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/*
* Copyright (c) 2013 The TCPDUMP project
*
* 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, and (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.
* 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.
*
* Original code by Ola Martin Lykkja (ola.lykkja@q-free.com)
*/
/* \summary: Communication access for land mobiles (CALM) printer */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "netdissect-stdinc.h"
#define ND_LONGJMP_FROM_TCHECK
#include "netdissect.h"
#include "extract.h"
#include "addrtoname.h"
/*
ISO 29281:2009
Intelligent Transport Systems . Communications access for land mobiles (CALM)
CALM non-IP networking
*/
/*
* This is the top level routine of the printer. 'bp' points
* to the calm header of the packet.
*/
void
calm_fast_print(netdissect_options *ndo, const u_char *bp, u_int length, const struct lladdr_info *src)
{
ndo->ndo_protocol = "calm_fast";
ND_PRINT("CALM FAST");
if (src != NULL)
ND_PRINT(" src:%s", (src->addr_string)(ndo, src->addr));
ND_PRINT("; ");
if (length < 2) {
ND_PRINT(" (length %u < 2)", length);
goto invalid;
}
ND_PRINT("SrcNwref:%u; ", GET_U_1(bp));
length -= 1;
bp += 1;
ND_PRINT("DstNwref:%u; ", GET_U_1(bp));
length -= 1;
bp += 1;
if (ndo->ndo_vflag)
ND_DEFAULTPRINT(bp, length);
return;
invalid:
nd_print_invalid(ndo);
ND_TCHECK_LEN(bp, length);
}
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