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print-atm.c (127675) print-atm.c (146778)
1/*
2 * Copyright (c) 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and

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13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
1/*
2 * Copyright (c) 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and

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13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * $FreeBSD: head/contrib/tcpdump/print-atm.c 127675 2004-03-31 14:57:24Z bms $
21 * $FreeBSD: head/contrib/tcpdump/print-atm.c 146778 2005-05-29 19:09:28Z sam $
22 */
23#ifndef lint
24static const char rcsid[] _U_ =
22 */
23#ifndef lint
24static const char rcsid[] _U_ =
25 "@(#) $Header: /tcpdump/master/tcpdump/print-atm.c,v 1.33.2.2 2003/11/16 08:51:11 guy Exp $ (LBL)";
25 "@(#) $Header: /tcpdump/master/tcpdump/print-atm.c,v 1.38 2005/01/19 16:46:27 hannes Exp $ (LBL)";
26#endif
27
28#ifdef HAVE_CONFIG_H
29#include "config.h"
30#endif
31
32#include <tcpdump-stdinc.h>
33

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40#include "addrtoname.h"
41#include "ethertype.h"
42#include "atm.h"
43#include "atmuni31.h"
44#include "llc.h"
45
46#include "ether.h"
47
26#endif
27
28#ifdef HAVE_CONFIG_H
29#include "config.h"
30#endif
31
32#include <tcpdump-stdinc.h>
33

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40#include "addrtoname.h"
41#include "ethertype.h"
42#include "atm.h"
43#include "atmuni31.h"
44#include "llc.h"
45
46#include "ether.h"
47
48struct tok oam_celltype_values[] = {
49 { 0x1, "Fault Management" },
50 { 0x2, "Performance Management" },
51 { 0x8, "activate/deactivate" },
52 { 0xf, "System Management" },
53 { 0, NULL }
54};
55
56struct tok oam_fm_functype_values[] = {
57 { 0x0, "AIS" },
58 { 0x1, "RDI" },
59 { 0x4, "Continuity Check" },
60 { 0x8, "Loopback" },
61 { 0, NULL }
62};
63
64struct tok oam_pm_functype_values[] = {
65 { 0x0, "Forward Monitoring" },
66 { 0x1, "Backward Reporting" },
67 { 0x2, "Monitoring and Reporting" },
68 { 0, NULL }
69};
70
71struct tok oam_ad_functype_values[] = {
72 { 0x0, "Performance Monitoring" },
73 { 0x1, "Continuity Check" },
74 { 0, NULL }
75};
76
77static const struct tok *oam_functype_values[16] = {
78 NULL,
79 oam_fm_functype_values, /* 1 */
80 oam_pm_functype_values, /* 2 */
81 NULL,
82 NULL,
83 NULL,
84 NULL,
85 NULL,
86 oam_ad_functype_values, /* 8 */
87 NULL,
88 NULL,
89 NULL,
90 NULL,
91 NULL,
92 NULL,
93 NULL
94};
95
48/*
49 * Print an RFC 1483 LLC-encapsulated ATM frame.
50 */
51static void
52atm_llc_print(const u_char *p, int length, int caplen)
53{
54 u_short extracted_ethertype;
55

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69 * Given a SAP value, generate the LLC header value for a UI packet
70 * with that SAP as the source and destination SAP.
71 */
72#define LLC_UI_HDR(sap) ((sap)<<16 | (sap<<8) | 0x03)
73
74/*
75 * This is the top level routine of the printer. 'p' points
76 * to the LLC/SNAP header of the packet, 'h->ts' is the timestamp,
96/*
97 * Print an RFC 1483 LLC-encapsulated ATM frame.
98 */
99static void
100atm_llc_print(const u_char *p, int length, int caplen)
101{
102 u_short extracted_ethertype;
103

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117 * Given a SAP value, generate the LLC header value for a UI packet
118 * with that SAP as the source and destination SAP.
119 */
120#define LLC_UI_HDR(sap) ((sap)<<16 | (sap<<8) | 0x03)
121
122/*
123 * This is the top level routine of the printer. 'p' points
124 * to the LLC/SNAP header of the packet, 'h->ts' is the timestamp,
77 * 'h->length' is the length of the packet off the wire, and 'h->caplen'
125 * 'h->len' is the length of the packet off the wire, and 'h->caplen'
78 * is the number of bytes actually captured.
79 */
80u_int
81atm_if_print(const struct pcap_pkthdr *h, const u_char *p)
82{
83 u_int caplen = h->caplen;
84 u_int length = h->len;
85 u_int32_t llchdr;

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203 case PPC:
204 sig_print(p, caplen);
205 return;
206
207 case BCC:
208 printf("broadcast sig: ");
209 return;
210
126 * is the number of bytes actually captured.
127 */
128u_int
129atm_if_print(const struct pcap_pkthdr *h, const u_char *p)
130{
131 u_int caplen = h->caplen;
132 u_int length = h->len;
133 u_int32_t llchdr;

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251 case PPC:
252 sig_print(p, caplen);
253 return;
254
255 case BCC:
256 printf("broadcast sig: ");
257 return;
258
211 case OAMF4SC:
212 printf("oamF4(segment): ");
213 return;
214
259 case OAMF4SC: /* fall through */
215 case OAMF4EC:
260 case OAMF4EC:
216 printf("oamF4(end): ");
261 oam_print(p, length);
217 return;
218
219 case METAC:
220 printf("meta: ");
221 return;
222
223 case ILMIC:
224 printf("ilmi: ");

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237 atm_llc_print(p, length, caplen);
238 break;
239
240 case ATM_LANE:
241 lane_print(p, length, caplen);
242 break;
243 }
244}
262 return;
263
264 case METAC:
265 printf("meta: ");
266 return;
267
268 case ILMIC:
269 printf("ilmi: ");

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282 atm_llc_print(p, length, caplen);
283 break;
284
285 case ATM_LANE:
286 lane_print(p, length, caplen);
287 break;
288 }
289}
290
291int
292oam_print (const u_char *p, u_int length) {
293
294 u_int16_t cell_header, cell_type, func_type,vpi,vci,payload,clp;
295
296 cell_header = EXTRACT_32BITS(p);
297 cell_type = ((*(p+4))>>4) & 0x0f;
298 func_type = *(p) & 0x0f;
299
300 vpi = (cell_header>>20)&0xff;
301 vci = (cell_header>>4)&0xffff;
302 payload = (cell_header>>1)&0x7;
303 clp = cell_header&0x1;
304
305 switch (vci) {
306 case OAMF4SC:
307 printf("OAM F4 (segment), ");
308 break;
309 case OAMF4EC:
310 printf("OAM F4 (end), ");
311 break;
312 default:
313 printf("OAM F5, ");
314 break;
315 }
316
317 if (eflag)
318 printf("vpi %u, vci %u, payload %u, clp %u, ",vpi,vci,payload,clp);
319
320 printf("cell-type %s (%u)",
321 tok2str(oam_celltype_values, "unknown", cell_type),
322 cell_type);
323
324 if (oam_functype_values[cell_type] == NULL)
325 printf(", func-type unknown (%u)", func_type);
326 else
327 printf(", func-type %s (%u)",
328 bittok2str(oam_functype_values[cell_type],"none",func_type),
329 func_type);
330
331 printf(", length %u",length);
332 return 1;
333}