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https://github.com/the-tcpdump-group/tcpdump.git
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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
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* Copyright (c) 2013 The TCPDUMP project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code
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* distributions retain the above copyright notice and this paragraph
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* in its entirety, and (2) distributions including binary code include
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* the above copyright notice and this paragraph in its entirety in
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* the documentation or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
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* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
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* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*
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* Original code by Ola Martin Lykkja (ola.lykkja@q-free.com)
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*/
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/* \summary: Communication access for land mobiles (CALM) printer */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "netdissect-stdinc.h"
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#include "netdissect.h"
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#include "extract.h"
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#include "addrtoname.h"
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/*
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ISO 29281:2009
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Intelligent Transport Systems . Communications access for land mobiles (CALM)
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CALM non-IP networking
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*/
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/*
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* This is the top level routine of the printer. 'bp' points
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* to the calm header of the packet.
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*/
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void
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calm_fast_print(netdissect_options *ndo, const u_char *bp, u_int length, const struct lladdr_info *src)
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{
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u_int srcNwref;
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u_int dstNwref;
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ndo->ndo_protocol = "calm_fast";
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ND_TCHECK_2(bp);
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if (length < 2)
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goto trunc;
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srcNwref = EXTRACT_U_1(bp);
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dstNwref = EXTRACT_U_1(bp + 1);
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length -= 2;
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bp += 2;
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ND_PRINT("CALM FAST");
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if (src != NULL)
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ND_PRINT(" src:%s", (src->addr_string)(ndo, src->addr));
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ND_PRINT("; ");
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ND_PRINT("SrcNwref:%u; ", srcNwref);
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ND_PRINT("DstNwref:%u; ", dstNwref);
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if (ndo->ndo_vflag)
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ND_DEFAULTPRINT(bp, length);
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return;
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trunc:
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ND_PRINT("[|calm fast]");
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return;
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}
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