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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@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
calm_fast_print(netdissect_options * ndo,const u_char * bp,u_int length,const struct lladdr_info * src)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