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 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