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      1 /*
      2  * Copyright (c) 2013 The TCPDUMP project
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that: (1) source code
      6  * distributions retain the above copyright notice and this paragraph
      7  * in its entirety, and (2) distributions including binary code include
      8  * the above copyright notice and this paragraph in its entirety in
      9  * the documentation or other materials provided with the distribution.
     10  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
     11  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
     12  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     13  * FOR A PARTICULAR PURPOSE.
     14  *
     15  * Original code by Ola Martin Lykkja (ola.lykkja (at) q-free.com)
     16  */
     17 
     18 /* \summary: Communication access for land mobiles (CALM) printer */
     19 
     20 #ifdef HAVE_CONFIG_H
     21 #include "config.h"
     22 #endif
     23 
     24 #include <netdissect-stdinc.h>
     25 
     26 #include "netdissect.h"
     27 #include "addrtoname.h"
     28 
     29 /*
     30    ISO 29281:2009
     31    Intelligent Transport Systems . Communications access for land mobiles (CALM)
     32    CALM non-IP networking
     33 */
     34 
     35 /*
     36  * This is the top level routine of the printer.  'bp' points
     37  * to the calm header of the packet.
     38  */
     39 void
     40 calm_fast_print(netdissect_options *ndo, const u_char *bp, u_int length, const struct lladdr_info *src)
     41 {
     42 	int srcNwref;
     43 	int dstNwref;
     44 
     45 	ND_TCHECK2(*bp, 2);
     46 	if (length < 2)
     47 		goto trunc;
     48 	srcNwref = bp[0];
     49 	dstNwref = bp[1];
     50 	length -= 2;
     51 	bp += 2;
     52 
     53 	ND_PRINT((ndo, "CALM FAST"));
     54 	if (src != NULL)
     55 		ND_PRINT((ndo, " src:%s", (src->addr_string)(ndo, src->addr)));
     56 	ND_PRINT((ndo, "; "));
     57 	ND_PRINT((ndo, "SrcNwref:%d; ", srcNwref));
     58 	ND_PRINT((ndo, "DstNwref:%d; ", dstNwref));
     59 
     60 	if (ndo->ndo_vflag)
     61 		ND_DEFAULTPRINT(bp, length);
     62 	return;
     63 
     64 trunc:
     65 	ND_PRINT((ndo, "[|calm fast]"));
     66 	return;
     67 }
     68 
     69 
     70 /*
     71  * Local Variables:
     72  * c-style: whitesmith
     73  * c-basic-offset: 8
     74  * End:
     75  */
     76