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 --- 4 unchanged lines hidden (view full) --- 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 190207 2009-03-21 18:30:25Z rpaulo $ |
22 */ 23#ifndef lint 24static const char rcsid[] _U_ = |
25 "@(#) $Header: /tcpdump/master/tcpdump/print-atm.c,v 1.48.2.1 2007-10-22 19:39:12 guy Exp $ (LBL)"; |
26#endif 27 28#ifdef HAVE_CONFIG_H 29#include "config.h" 30#endif 31 32#include <tcpdump-stdinc.h> 33 --- 6 unchanged lines hidden (view full) --- 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 |
48#define OAM_CRC10_MASK 0x3ff 49#define OAM_PAYLOAD_LEN 48 50#define OAM_FUNCTION_SPECIFIC_LEN 45 /* this excludes crc10 and cell-type/function-type */ 51#define OAM_CELLTYPE_FUNCTYPE_LEN 1 52 |
53struct tok oam_f_values[] = { |
54 { VCI_OAMF4SC, "OAM F4 (segment)" }, 55 { VCI_OAMF4EC, "OAM F4 (end)" }, |
56 { 0, NULL } 57}; 58 |
59struct tok atm_pty_values[] = { 60 { 0x0, "user data, uncongested, SDU 0" }, 61 { 0x1, "user data, uncongested, SDU 1" }, 62 { 0x2, "user data, congested, SDU 0" }, 63 { 0x3, "user data, congested, SDU 1" }, 64 { 0x4, "VCC OAM F5 flow segment" }, 65 { 0x5, "VCC OAM F5 flow end-to-end" }, 66 { 0x6, "Traffic Control and resource Mgmt" }, 67 { 0, NULL } 68}; 69 70#define OAM_CELLTYPE_FM 0x1 71#define OAM_CELLTYPE_PM 0x2 72#define OAM_CELLTYPE_AD 0x8 73#define OAM_CELLTYPE_SM 0xf 74 |
75struct tok oam_celltype_values[] = { |
76 { OAM_CELLTYPE_FM, "Fault Management" }, 77 { OAM_CELLTYPE_PM, "Performance Management" }, 78 { OAM_CELLTYPE_AD, "activate/deactivate" }, 79 { OAM_CELLTYPE_SM, "System Management" }, |
80 { 0, NULL } 81}; 82 |
83#define OAM_FM_FUNCTYPE_AIS 0x0 84#define OAM_FM_FUNCTYPE_RDI 0x1 85#define OAM_FM_FUNCTYPE_CONTCHECK 0x4 86#define OAM_FM_FUNCTYPE_LOOPBACK 0x8 87 |
88struct tok oam_fm_functype_values[] = { |
89 { OAM_FM_FUNCTYPE_AIS, "AIS" }, 90 { OAM_FM_FUNCTYPE_RDI, "RDI" }, 91 { OAM_FM_FUNCTYPE_CONTCHECK, "Continuity Check" }, 92 { OAM_FM_FUNCTYPE_LOOPBACK, "Loopback" }, |
93 { 0, NULL } 94}; 95 96struct tok oam_pm_functype_values[] = { 97 { 0x0, "Forward Monitoring" }, 98 { 0x1, "Backward Reporting" }, 99 { 0x2, "Monitoring and Reporting" }, 100 { 0, NULL } 101}; 102 103struct tok oam_ad_functype_values[] = { 104 { 0x0, "Performance Monitoring" }, 105 { 0x1, "Continuity Check" }, 106 { 0, NULL } 107}; 108 |
109#define OAM_FM_LOOPBACK_INDICATOR_MASK 0x1 110 111struct tok oam_fm_loopback_indicator_values[] = { 112 { 0x0, "Reply" }, 113 { 0x1, "Request" }, 114 { 0, NULL } 115}; 116 |
117static const struct tok *oam_functype_values[16] = { 118 NULL, 119 oam_fm_functype_values, /* 1 */ 120 oam_pm_functype_values, /* 2 */ 121 NULL, 122 NULL, 123 NULL, 124 NULL, --- 167 unchanged lines hidden (view full) --- 292 u_int caplen) 293{ 294 if (eflag) 295 printf("VPI:%u VCI:%u ", vpi, vci); 296 297 if (vpi == 0) { 298 switch (vci) { 299 |
300 case VCI_PPC: |
301 sig_print(p, caplen); 302 return; 303 |
304 case VCI_BCC: |
305 printf("broadcast sig: "); 306 return; 307 |
308 case VCI_OAMF4SC: /* fall through */ 309 case VCI_OAMF4EC: |
310 oam_print(p, length, ATM_OAM_HEC); 311 return; 312 |
313 case VCI_METAC: |
314 printf("meta: "); 315 return; 316 |
317 case VCI_ILMIC: |
318 printf("ilmi: "); 319 snmp_print(p, length); 320 return; 321 } 322 } 323 324 switch (traftype) { 325 --- 6 unchanged lines hidden (view full) --- 332 break; 333 334 case ATM_LANE: 335 lane_print(p, length, caplen); 336 break; 337 } 338} 339 |
340struct oam_fm_loopback_t { 341 u_int8_t loopback_indicator; 342 u_int8_t correlation_tag[4]; 343 u_int8_t loopback_id[12]; 344 u_int8_t source_id[12]; 345 u_int8_t unused[16]; 346}; 347 348struct oam_fm_ais_rdi_t { 349 u_int8_t failure_type; 350 u_int8_t failure_location[16]; 351 u_int8_t unused[28]; 352}; 353 |
354int 355oam_print (const u_char *p, u_int length, u_int hec) { 356 357 u_int32_t cell_header; |
358 u_int16_t vpi, vci, cksum, cksum_shouldbe, idx; 359 u_int8_t cell_type, func_type, payload, clp; |
360 |
361 union { 362 const struct oam_fm_loopback_t *oam_fm_loopback; 363 const struct oam_fm_ais_rdi_t *oam_fm_ais_rdi; 364 } oam_ptr; 365 366 |
367 cell_header = EXTRACT_32BITS(p+hec); |
368 cell_type = ((*(p+ATM_HDR_LEN_NOHEC+hec))>>4) & 0x0f; 369 func_type = (*(p+ATM_HDR_LEN_NOHEC+hec)) & 0x0f; |
370 371 vpi = (cell_header>>20)&0xff; 372 vci = (cell_header>>4)&0xffff; 373 payload = (cell_header>>1)&0x7; 374 clp = cell_header&0x1; 375 |
376 printf("%s, vpi %u, vci %u, payload [ %s ], clp %u, length %u", |
377 tok2str(oam_f_values, "OAM F5", vci), |
378 vpi, vci, 379 tok2str(atm_pty_values, "Unknown", payload), 380 clp, length); |
381 |
382 if (!vflag) { 383 return 1; 384 } 385 386 printf("\n\tcell-type %s (%u)", |
387 tok2str(oam_celltype_values, "unknown", cell_type), 388 cell_type); 389 390 if (oam_functype_values[cell_type] == NULL) 391 printf(", func-type unknown (%u)", func_type); 392 else 393 printf(", func-type %s (%u)", |
394 tok2str(oam_functype_values[cell_type],"none",func_type), |
395 func_type); 396 |
397 p += ATM_HDR_LEN_NOHEC + hec; 398 399 switch (cell_type << 4 | func_type) { 400 case (OAM_CELLTYPE_FM << 4 | OAM_FM_FUNCTYPE_LOOPBACK): 401 oam_ptr.oam_fm_loopback = (const struct oam_fm_loopback_t *)(p + OAM_CELLTYPE_FUNCTYPE_LEN); 402 printf("\n\tLoopback-Indicator %s, Correlation-Tag 0x%08x", 403 tok2str(oam_fm_loopback_indicator_values, 404 "Unknown", 405 oam_ptr.oam_fm_loopback->loopback_indicator & OAM_FM_LOOPBACK_INDICATOR_MASK), 406 EXTRACT_32BITS(&oam_ptr.oam_fm_loopback->correlation_tag)); 407 printf("\n\tLocation-ID "); 408 for (idx = 0; idx < sizeof(oam_ptr.oam_fm_loopback->loopback_id); idx++) { 409 if (idx % 2) { 410 printf("%04x ", EXTRACT_16BITS(&oam_ptr.oam_fm_loopback->loopback_id[idx])); 411 } 412 } 413 printf("\n\tSource-ID "); 414 for (idx = 0; idx < sizeof(oam_ptr.oam_fm_loopback->source_id); idx++) { 415 if (idx % 2) { 416 printf("%04x ", EXTRACT_16BITS(&oam_ptr.oam_fm_loopback->source_id[idx])); 417 } 418 } 419 break; 420 421 case (OAM_CELLTYPE_FM << 4 | OAM_FM_FUNCTYPE_AIS): 422 case (OAM_CELLTYPE_FM << 4 | OAM_FM_FUNCTYPE_RDI): 423 oam_ptr.oam_fm_ais_rdi = (const struct oam_fm_ais_rdi_t *)(p + OAM_CELLTYPE_FUNCTYPE_LEN); 424 printf("\n\tFailure-type 0x%02x", oam_ptr.oam_fm_ais_rdi->failure_type); 425 printf("\n\tLocation-ID "); 426 for (idx = 0; idx < sizeof(oam_ptr.oam_fm_ais_rdi->failure_location); idx++) { 427 if (idx % 2) { 428 printf("%04x ", EXTRACT_16BITS(&oam_ptr.oam_fm_ais_rdi->failure_location[idx])); 429 } 430 } 431 break; 432 433 case (OAM_CELLTYPE_FM << 4 | OAM_FM_FUNCTYPE_CONTCHECK): 434 /* FIXME */ 435 break; 436 437 default: 438 break; 439 } 440 441 /* crc10 checksum verification */ 442 cksum = EXTRACT_16BITS(p + OAM_CELLTYPE_FUNCTYPE_LEN + OAM_FUNCTION_SPECIFIC_LEN) 443 & OAM_CRC10_MASK; 444 cksum_shouldbe = verify_crc10_cksum(0, p, OAM_PAYLOAD_LEN); 445 446 printf("\n\tcksum 0x%03x (%scorrect)", 447 cksum, 448 cksum_shouldbe == 0 ? "" : "in"); 449 |
450 return 1; 451} |