1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
|
/* packet-mpls-echo.c
* Routines for Multiprotocol Label Switching Echo dissection
* Copyright 2004, Carlos Pignataro <cpignata@cisco.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* (c) Copyright 2011, Jaihari Kalijanakiraman <jaiharik@ipinfusion.com>
* Krishnamurthy Mayya <krishnamurthy.mayya@ipinfusion.com>
* Nikitha Malgi <malgi.nikitha@ipinfusion.com>
* - Support for LSP Ping extensions as per RFC 6426
* Mayuresh Raut <msraut@ncsu.edu>
* - Support for LSP ping over MPLS as per RFC 6424
* (c) Copyright 2012, Subramanian Ramachandran <sramach6@ncsu.edu>
* - Support for BFD for MPLS as per RFC 5884
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/addr_resolv.h>
#include <epan/expert.h>
#include <epan/to_str.h>
#include "packet-ldp.h"
#include "packet-mpls.h"
void proto_register_mpls_echo(void);
void proto_reg_handoff_mpls_echo(void);
static dissector_handle_t mpls_echo_handle;
#define UDP_PORT_MPLS_ECHO 3503
static int proto_mpls_echo = -1;
static int hf_mpls_echo_version = -1;
static int hf_mpls_echo_mbz = -1;
static int hf_mpls_echo_gflags = -1;
static int hf_mpls_echo_flag_sbz = -1;
static int hf_mpls_echo_flag_v = -1;
static int hf_mpls_echo_flag_t = -1;
static int hf_mpls_echo_flag_r = -1;
static int hf_mpls_echo_msgtype = -1;
static int hf_mpls_echo_replymode = -1;
static int hf_mpls_echo_returncode = -1;
static int hf_mpls_echo_returnsubcode = -1;
static int hf_mpls_echo_handle = -1;
static int hf_mpls_echo_sequence = -1;
static int hf_mpls_echo_ts_sent = -1;
static int hf_mpls_echo_ts_rec = -1;
static int hf_mpls_echo_tlv_type = -1;
static int hf_mpls_echo_tlv_len = -1;
static int hf_mpls_echo_tlv_value = -1;
static int hf_mpls_echo_tlv_fec_type = -1;
static int hf_mpls_echo_tlv_fec_len = -1;
static int hf_mpls_echo_tlv_fec_value = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv4_mask = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv6_mask = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_endpoint = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_endpoint = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_mbz1 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv4_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_sender = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv6_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_sender = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_mbz2 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id = -1;
static int hf_mpls_echo_tlv_fec_vpn_route_dist = -1;
static int hf_mpls_echo_tlv_fec_vpn_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_vpn_len = -1;
static int hf_mpls_echo_tlv_fec_vpn_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_route_dist = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_send_ve_id = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_recv_ve_id = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_encap_type = -1;
static int hf_mpls_echo_tlv_fec_l2cid_sender = -1;
static int hf_mpls_echo_tlv_fec_l2cid_remote = -1;
static int hf_mpls_echo_tlv_fec_l2cid_vcid = -1;
static int hf_mpls_echo_tlv_fec_l2cid_encap = -1;
static int hf_mpls_echo_tlv_fec_l2cid_mbz = -1;
static int hf_mpls_echo_tlv_fec_bgp_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_bgp_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_bgp_len = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv4_mask = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv6_mask = -1;
static int hf_mpls_echo_tlv_fec_nil_label = -1;
static int hf_mpls_echo_tlv_fec_pw_ipv6_128_sender = -1;
static int hf_mpls_echo_tlv_fec_pw_ipv6_128_remote = -1;
static int hf_mpls_echo_tlv_fec_pw_ipv6_128_pw_id = -1;
static int hf_mpls_echo_tlv_fec_pw_ipv6_128_pw_type = -1;
static int hf_mpls_echo_tlv_fec_pw_ipv6_128_mbz = -1;
static int hf_mpls_echo_tlv_fec_igp_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_igp_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_igp_mask = -1;
static int hf_mpls_echo_tlv_fec_igp_protocol = -1;
static int hf_mpls_echo_tlv_fec_igp_reserved = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_type = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_local_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_local_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_local_ident = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_remote_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_remote_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_remote_ident = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_adv_ident_ospf = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_adv_ident_isis = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_adv_ident = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_rec_ident_ospf = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_rec_ident_isis = -1;
static int hf_mpls_echo_tlv_fec_igp_adj_rec_ident = -1;
static int hf_mpls_echo_tlv_ds_map_mtu = -1;
static int hf_mpls_echo_tlv_ds_map_addr_type = -1;
static int hf_mpls_echo_tlv_ds_map_res = -1;
static int hf_mpls_echo_tlv_ds_map_flag_res = -1;
static int hf_mpls_echo_tlv_ds_map_flag_i = -1;
static int hf_mpls_echo_tlv_ds_map_flag_n = -1;
static int hf_mpls_echo_tlv_ds_map_ds_ip = -1;
static int hf_mpls_echo_tlv_ds_map_int_ip = -1;
static int hf_mpls_echo_tlv_ds_map_if_index = -1;
static int hf_mpls_echo_tlv_ds_map_ds_ipv6 = -1;
static int hf_mpls_echo_tlv_ds_map_int_ipv6 = -1;
static int hf_mpls_echo_tlv_ds_map_hash_type = -1;
static int hf_mpls_echo_tlv_ds_map_depth = -1;
static int hf_mpls_echo_tlv_ds_map_muti_len = -1;
static int hf_mpls_echo_tlv_ds_map_mp_ip = -1;
static int hf_mpls_echo_tlv_ds_map_mp_mask = -1;
static int hf_mpls_echo_tlv_ds_map_mp_ip_low = -1;
static int hf_mpls_echo_tlv_ds_map_mp_ip_high = -1;
static int hf_mpls_echo_tlv_ds_map_mp_no_multipath_info = -1;
static int hf_mpls_echo_tlv_ds_map_mp_value = -1;
static int hf_mpls_echo_tlv_ds_map_mp_label = -1;
static int hf_mpls_echo_tlv_ds_map_mp_exp = -1;
static int hf_mpls_echo_tlv_ds_map_mp_bos = -1;
static int hf_mpls_echo_tlv_ds_map_mp_proto = -1;
static int hf_mpls_echo_tlv_dd_map_mtu = -1;
static int hf_mpls_echo_tlv_dd_map_addr_type = -1;
static int hf_mpls_echo_tlv_dd_map_res = -1;
static int hf_mpls_echo_tlv_dd_map_flag_res = -1;
static int hf_mpls_echo_tlv_dd_map_flag_i = -1;
static int hf_mpls_echo_tlv_dd_map_flag_n = -1;
static int hf_mpls_echo_tlv_dd_map_ds_ip = -1;
static int hf_mpls_echo_tlv_dd_map_int_ip = -1;
static int hf_mpls_echo_tlv_dd_map_ds_ipv6 = -1;
static int hf_mpls_echo_tlv_dd_map_int_ipv6 = -1;
static int hf_mpls_echo_tlv_dd_map_return_code = -1;
static int hf_mpls_echo_tlv_dd_map_return_subcode = -1;
static int hf_mpls_echo_tlv_dd_map_subtlv_len = -1;
static int hf_mpls_echo_tlv_dd_map_ingress_if_num = -1;
static int hf_mpls_echo_tlv_dd_map_egress_if_num = -1;
static int hf_mpls_echo_sub_tlv_multipath_type = -1;
static int hf_mpls_echo_sub_tlv_multipath_length = -1;
static int hf_mpls_echo_sub_tlv_multipath_value = -1;
static int hf_mpls_echo_sub_tlv_resv = -1;
static int hf_mpls_echo_sub_tlv_multipath_info = -1;
/* static int hf_mpls_echo_tlv_ddstlv_map_mp_label = -1; */
static int hf_mpls_echo_tlv_ddstlv_map_mp_proto = -1;
/* static int hf_mpls_echo_tlv_ddstlv_map_mp_exp = -1; */
/* static int hf_mpls_echo_tlv_ddstlv_map_mp_bos = -1; */
static int hf_mpls_echo_sub_tlv_multipath_ip = -1;
static int hf_mpls_echo_sub_tlv_mp_ip_low = -1;
static int hf_mpls_echo_sub_tlv_mp_ip_high = -1;
static int hf_mpls_echo_sub_tlv_mp_mask = -1;
static int hf_mpls_echo_sub_tlv_op_type = -1;
static int hf_mpls_echo_sub_tlv_addr_type = -1;
static int hf_mpls_echo_sub_tlv_fec_tlv_value = -1;
static int hf_mpls_echo_sub_tlv_label = -1;
static int hf_mpls_echo_sub_tlv_traffic_class = -1;
static int hf_mpls_echo_sub_tlv_s_bit = -1;
static int hf_mpls_echo_sub_tlv_res = -1;
static int hf_mpls_echo_sub_tlv_remote_peer_unspecified = -1;
static int hf_mpls_echo_sub_tlv_remote_peer_ip = -1;
static int hf_mpls_echo_sub_tlv_remore_peer_ipv6 = -1;
static int hf_mpls_echo_tlv_dd_map_type = -1;
static int hf_mpls_echo_tlv_dd_map_length = -1;
static int hf_mpls_echo_tlv_dd_map_value = -1;
static int hf_mpls_echo_tlv_padaction = -1;
static int hf_mpls_echo_tlv_padding = -1;
static int hf_mpls_echo_tlv_vendor = -1;
static int hf_mpls_echo_tlv_ilso_addr_type = -1;
static int hf_mpls_echo_tlv_ilso_mbz = -1;
static int hf_mpls_echo_tlv_ilso_ipv4_addr = -1;
static int hf_mpls_echo_tlv_ilso_ipv4_int_addr = -1;
static int hf_mpls_echo_tlv_ilso_ipv6_addr = -1;
static int hf_mpls_echo_tlv_ilso_ipv6_int_addr = -1;
static int hf_mpls_echo_tlv_ilso_int_index = -1;
static int hf_mpls_echo_tlv_ilso_label = -1;
static int hf_mpls_echo_tlv_ilso_exp = -1;
static int hf_mpls_echo_tlv_ilso_bos = -1;
static int hf_mpls_echo_tlv_ilso_ttl = -1;
#if 0
static int hf_mpls_echo_tlv_rto_ipv4 = -1;
static int hf_mpls_echo_tlv_rto_ipv6 = -1;
#endif
static int hf_mpls_echo_tlv_reply_tos = -1;
static int hf_mpls_echo_tlv_reply_tos_mbz = -1;
static int hf_mpls_echo_tlv_errored_type = -1;
static int hf_mpls_echo_tlv_ds_map_ingress_if_num = -1;
static int hf_mpls_echo_tlv_ds_map_egress_if_num = -1;
static int hf_mpls_echo_lspping_tlv_src_gid = -1;
static int hf_mpls_echo_lspping_tlv_src_nid = -1;
static int hf_mpls_echo_lspping_tlv_src_tunnel_no = -1;
static int hf_mpls_echo_lspping_tlv_lsp_no = -1;
static int hf_mpls_echo_lspping_tlv_dst_gid = -1;
static int hf_mpls_echo_lspping_tlv_dst_nid = -1;
static int hf_mpls_echo_lspping_tlv_dst_tunnel_no = -1;
static int hf_mpls_echo_lspping_tlv_resv = -1;
static int hf_mpls_echo_lspping_tlv_src_addr_gid = -1;
static int hf_mpls_echo_lspping_tlv_src_addr_nid=-1;
static int hf_mpls_echo_lspping_tlv_pw_serv_identifier = -1;
static int hf_mpls_echo_lspping_tlv_pw_src_ac_id = -1;
static int hf_mpls_echo_lspping_tlv_pw_dst_ac_id = -1;
static int hf_mpls_echo_padding = -1;
/* static int hf_mpls_echo_lspping_tlv_pw_agi_type = -1; */
/* static int hf_mpls_echo_lspping_tlv_pw_agi_len = -1; */
/* static int hf_mpls_echo_lspping_tlv_pw_agi_val = -1; */
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_p2mp_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ipv4_sender = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz2 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_p2mp_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ipv6_sender = -1;
static int hf_mpls_echo_tlv_echo_jitter = -1;
static int hf_mpls_echo_tlv_responder_indent_type = -1;
static int hf_mpls_echo_tlv_responder_indent_len = -1;
static int hf_mpls_echo_tlv_responder_indent_ipv4 = -1;
/* static int hf_mpls_echo_tlv_responder_indent_ipv6 = -1; */
static int hf_mpls_echo_tlv_bfd = -1;
static gint ett_mpls_echo = -1;
static gint ett_mpls_echo_gflags = -1;
static gint ett_mpls_echo_tlv = -1;
static gint ett_mpls_echo_tlv_fec = -1;
static gint ett_mpls_echo_tlv_ds_map = -1;
static gint ett_mpls_echo_tlv_ilso = -1;
static gint ett_mpls_echo_tlv_dd_map = -1;
static gint ett_mpls_echo_tlv_ddstlv_map = -1;
static expert_field ei_mpls_echo_tlv_fec_len = EI_INIT;
static expert_field ei_mpls_echo_tlv_dd_map_subtlv_len = EI_INIT;
static expert_field ei_mpls_echo_tlv_len = EI_INIT;
static expert_field ei_mpls_echo_tlv_ds_map_muti_len = EI_INIT;
static expert_field ei_mpls_echo_unknown_address_type = EI_INIT;
static expert_field ei_mpls_echo_incorrect_address_type = EI_INIT;
static expert_field ei_mpls_echo_malformed = EI_INIT;
static const value_string mpls_echo_msgtype[] = {
{1, "MPLS Echo Request"},
{2, "MPLS Echo Reply"},
{3, "MPLS Data Plane Verification Request"},
{4, "MPLS Data Plane Verification Reply"},
{0, NULL}
};
static const value_string mpls_echo_replymode[] = {
{1, "Do not reply"},
{2, "Reply via an IPv4/IPv6 UDP packet"},
{3, "Reply via an IPv4/IPv6 UDP packet with Router Alert"},
{4, "Reply via application level control channel"},
{0, NULL}
};
/* http://www.iana.org/assignments/mpls-lsp-ping-parameters/mpls-lsp-ping-parameters.xml */
static const value_string mpls_echo_returncode[] = {
{ 0, "No return code"},
{ 1, "Malformed echo request received"},
{ 2, "One or more of the TLVs was not understood"},
{ 3, "Replying router is an egress for the FEC at stack depth RSC"},
{ 4, "Replying router has no mapping for the FEC at stack depth RSC"},
{ 5, "Downstream Mapping Mismatch"}, /*[RFC4379] */
{ 6, "Upstream Interface Index Unknown"}, /*[RFC4379]*/
{ 7, "Reserved"},
{ 8, "Label switched at stack-depth RSC"},
{ 9, "Label switched but no MPLS forwarding at stack-depth RSC"},
{10, "Mapping for this FEC is not the given label at stack depth RSC"},
{11, "No label entry at stack-depth RSC"},
{12, "Protocol not associated with interface at FEC stack depth RSC"},
{13, "Premature termination, label stack shrinking to a single label"},
{14, "See DDM TLV for meaning of Return Code and Return SubCode"}, /* [RFC6424] */
{15, "Label switched with FEC change"}, /* [RFC6424] */
/* 16-251 Unassigned */
/* 252-255 Reserved for Vendor private use [RFC4379 */
{0, NULL}
};
static value_string_ext mpls_echo_returncode_ext = VALUE_STRING_EXT_INIT(mpls_echo_returncode);
#define TLV_TARGET_FEC_STACK 0x0001
#define TLV_DOWNSTREAM_MAPPING 0x0002
#define TLV_PAD 0x0003
#define TLV_ERROR_CODE 0x0004
#define TLV_VENDOR_CODE 0x0005
#define TLV_TBD 0x0006
#define TLV_ILSO_IPv4 0x0007
#define TLV_ILSO_IPv6 0x0008
#define TLV_ERRORED_TLV 0x0009
#define TLV_REPLY_TOS 0x000A
#if 0
#define TLV_RTO_IPv4 0x000B
#define TLV_RTO_IPv6 0x000C
#endif
#define TLV_P2MP_RESPONDER_IDENT 0x000B
#define TLV_P2MP_ECHO_JITTER 0x000C
/* As per RFC 6426 https://tools.ietf.org/html/rfc6426 Section: 2.2.1 */
#define TLV_SRC_IDENTIFIER 0x000D
#define TLV_DST_IDENTIFIER 0x000E
/* As per RFC 5884 https://tools.ietf.org/html/rfc5884 Section: 6.1 */
#define TLV_BFD_DISCRIMINATOR 0x000F
/* As per RFC 6426 https://tools.ietf.org/html/rfc6426 Section: 7.3 */
#define TLV_REVERSE_PATH_FEC_STACK 0x0010
#define TLV_DETAILED_DOWNSTREAM 0x0014 /* [RFC6424] */
#define TLV_VENDOR_PRIVATE_START 0xFC00
#define TLV_VENDOR_PRIVATE_END 0xFFFF
/* MPLS Echo TLV Type names */
static const value_string mpls_echo_tlv_type_names[] = {
{ TLV_TARGET_FEC_STACK, "Target FEC Stack" },
{ TLV_DOWNSTREAM_MAPPING, "Downstream Mapping" },
{ TLV_PAD, "Pad" },
{ TLV_ERROR_CODE, "Error Code" },
{ TLV_VENDOR_CODE, "Vendor Enterprise Code" },
{ TLV_TBD, "TDB" },
{ TLV_ILSO_IPv4, "IPv4 Interface and Label Stack Object" },
{ TLV_ILSO_IPv6, "IPv6 Interface and Label Stack Object" },
{ TLV_ERRORED_TLV, "Errored TLVs" },
{ TLV_REPLY_TOS, "Reply TOS Byte" },
#if 0
{ TLV_RTO_IPv4, "IPv4 Reply-to Object" },
{ TLV_RTO_IPv6, "IPv6 Reply-to Object" },
#endif
{ TLV_P2MP_RESPONDER_IDENT, "P2MP Responder Identifier" },
{ TLV_P2MP_ECHO_JITTER, "P2MP Echo Jitter" },
{ TLV_SRC_IDENTIFIER, "Source Identifier TLV" },
{ TLV_DST_IDENTIFIER, "Destination Identifier TLV" },
{ TLV_BFD_DISCRIMINATOR, "BFD Discriminator TLV" },
{ TLV_REVERSE_PATH_FEC_STACK, "Reverse-path Target FEC Stack" },
{ TLV_DETAILED_DOWNSTREAM, "Detailed Downstream Mapping"},
{ TLV_VENDOR_PRIVATE_START, "Vendor Private" },
{ 0, NULL}
};
static value_string_ext mpls_echo_tlv_type_names_ext = VALUE_STRING_EXT_INIT(mpls_echo_tlv_type_names);
/*As per RFC 4379, https://tools.ietf.org/html/rfc4379 Section: 3.2 */
#define TLV_FEC_STACK_LDP_IPv4 1
#define TLV_FEC_STACK_LDP_IPv6 2
#define TLV_FEC_STACK_RSVP_IPv4 3
#define TLV_FEC_STACK_RSVP_IPv6 4
#define TLV_FEC_STACK_RES 5
#define TLV_FEC_STACK_VPN_IPv4 6
#define TLV_FEC_STACK_VPN_IPv6 7
#define TLV_FEC_STACK_L2_VPN 8
#define TLV_FEC_STACK_L2_CID_OLD 9
#define TLV_FEC_STACK_L2_CID_NEW 10
#define TLV_FEC_STACK_L2_FEC_129 11
#define TLV_FEC_STACK_BGP_LAB_v4 12
#define TLV_FEC_STACK_BGP_LAB_v6 13
#define TLV_FEC_STACK_GEN_IPv4 14
#define TLV_FEC_STACK_GEN_IPv6 15
#define TLV_FEC_STACK_NIL 16
/*As per RFC 6425, https://tools.ietf.org/html/rfc6425 Section: 3.1 */
#define TLV_FEC_STACK_P2MP_IPv4 17
#define TLV_FEC_STACK_P2MP_IPv6 18
/*As per RFC 6426, https://tools.ietf.org/html/rfc6426 Section: 2.3 */
#define TLV_FEC_STACK_STATIC_LSP 22
#define TLV_FEC_STACK_STATIC_PW 23
/*As per RFC 8029, https://tools.ietf.org/html/rfc8029 Section 3.2 */
#define TLV_FEC_STACK_PW_IPv6_FEC_128 24
#define TLV_FEC_STACK_PW_IPv6_FEC_129 25
#define TLV_FEC_VENDOR_PRIVATE_START 0xFC00
#define TLV_FEC_VENDOR_PRIVATE_END 0xFFFF
/*As per RFC 8287, https://tools.ietf.org/html/rfc8287 Section: 9.1 */
#define TLV_FEC_STACK_SR_IGP_IPv4 34
#define TLV_FEC_STACK_SR_IGP_IPv6 35
#define TLV_FEC_STACK_SR_IGP_ADJ 36
/* FEC sub-TLV Type names */
static const value_string mpls_echo_tlv_fec_names[] = {
{ TLV_FEC_STACK_LDP_IPv4, "LDP IPv4 prefix"},
{ TLV_FEC_STACK_LDP_IPv6, "LDP IPv6 prefix"},
{ TLV_FEC_STACK_RSVP_IPv4, "RSVP IPv4 Session Query"},
{ TLV_FEC_STACK_RSVP_IPv6, "RSVP IPv6 Session Query"},
{ TLV_FEC_STACK_RES, "Reserved"},
{ TLV_FEC_STACK_VPN_IPv4, "VPN IPv4 prefix"},
{ TLV_FEC_STACK_VPN_IPv6, "VPN IPv6 prefix"},
{ TLV_FEC_STACK_L2_VPN, "L2 VPN endpoint"},
{ TLV_FEC_STACK_L2_CID_OLD, "FEC 128 Pseudowire - IPv4 (Deprecated)"},
{ TLV_FEC_STACK_L2_CID_NEW, "FEC 128 Pseudowire - IPv4"},
{ TLV_FEC_STACK_L2_FEC_129, "FEC 129 Pseudowire - IPv4"},
{ TLV_FEC_STACK_BGP_LAB_v4, "BGP labeled IPv4 prefix"},
{ TLV_FEC_STACK_BGP_LAB_v6, "BGP labeled IPv6 prefix"},
{ TLV_FEC_STACK_GEN_IPv4, "Generic IPv4 prefix"},
{ TLV_FEC_STACK_GEN_IPv6, "Generic IPv6 prefix"},
{ TLV_FEC_STACK_NIL, "Nil FEC"},
{ TLV_FEC_STACK_P2MP_IPv4, "RSVP P2MP IPv4 Session Query"},
{ TLV_FEC_STACK_P2MP_IPv6, "RSVP P2MP IPv6 Session Query"},
{ TLV_FEC_STACK_STATIC_LSP, "Static LSP"},
{ TLV_FEC_STACK_STATIC_PW, "Static Pseudowire"},
{ TLV_FEC_STACK_PW_IPv6_FEC_128,"FEC 128 Pseudowire - IPv6"},
{ TLV_FEC_STACK_PW_IPv6_FEC_129,"FEC 129 Pseudowire - IPv6"},
{ TLV_FEC_STACK_SR_IGP_IPv4, "IPv4 IGP-Prefix Segment ID"},
{ TLV_FEC_STACK_SR_IGP_IPv6, "IPv6 IGP-Prefix Segment ID"},
{ TLV_FEC_STACK_SR_IGP_ADJ, "IGP-Adjacency Segment ID"},
{ TLV_FEC_VENDOR_PRIVATE_START, "Vendor Private"},
{ 0, NULL}
};
static value_string_ext mpls_echo_tlv_fec_names_ext = VALUE_STRING_EXT_INIT(mpls_echo_tlv_fec_names);
/* [RFC 6424] */
#define TLV_FEC_MULTIPATH_DATA 1
#define TLV_FEC_LABEL_STACK 2
#define TLV_FEC_STACK_CHANGE 3
#if 0
static const value_string mpls_echo_subtlv_names[] = {
{ TLV_FEC_MULTIPATH_DATA, "Multipath data"},
{ TLV_FEC_LABEL_STACK, "Label stack"},
{ TLV_FEC_STACK_CHANGE, "FEC stack change"},
{ 0, NULL}
};
#endif
/* [RFC 6424] */
#define TLV_MULTIPATH_NO_MULTIPATH 0
#define TLV_MULTIPATH_IP_ADDRESS 2
#define TLV_MULTIPATH_IP_ADDRESS_RANGE 4
#define TLV_MULTIPATH_BIT_MASKED_IP 8
#define TLV_MULTIPATH_BIT_MASKED_LABEL_SET 9
#if 0
static const value_string mpls_echo_multipathtlv_type[] = {
{ TLV_MULTIPATH_NO_MULTIPATH, "Empty (Multipath Length = 0)"},
{ TLV_MULTIPATH_IP_ADDRESS, "IP addresses"},
{ TLV_MULTIPATH_IP_ADDRESS_RANGE, "low/high address pairs"},
{ TLV_MULTIPATH_BIT_MASKED_IP, "IP address prefix and bit mask"},
{ TLV_MULTIPATH_BIT_MASKED_LABEL_SET, "Label prefix and bit mask"},
{ 0, NULL}
};
#endif
/* [RFC 6424] */
#define SUB_TLV_FEC_PUSH 1
#define SUB_TLV_FEC_POP 2
static const value_string mpls_echo_subtlv_op_types[] = {
{ SUB_TLV_FEC_PUSH, "Push"},
{ SUB_TLV_FEC_POP, "Pop"},
{ 0, NULL}
};
/* [RFC 6424] */
#define SUB_TLV_FEC_UNSPECIFIED 0
#define SUB_TLV_FEC_IPV4 1
#define SUB_TLV_FEC_IPV6 2
static const value_string mpls_echo_subtlv_addr_types[] = {
{ SUB_TLV_FEC_UNSPECIFIED, "Unspecified"},
{ SUB_TLV_FEC_IPV4, "IPv4"},
{ SUB_TLV_FEC_IPV6, "IPv6"},
{ 0, NULL}
};
/* [RFC 8287] */
#define SUB_TLV_FEC_SR_PROTO_ANY 0
#define SUB_TLV_FEC_SR_PROTO_OSPF 1
#define SUB_TLV_FEC_SR_PROTO_ISIS 2
static const value_string mpls_echo_subtlv_sr_protocol_types[] = {
{ SUB_TLV_FEC_SR_PROTO_ANY, "Any IGP protocol"},
{ SUB_TLV_FEC_SR_PROTO_OSPF, "OSPF"},
{ SUB_TLV_FEC_SR_PROTO_ISIS, "IS-IS"},
{ 0, NULL}
};
/* [RFC 8287] */
#define SUB_TLV_FEC_SR_IGP_ADJ_UNNUMBERED 0
#define SUB_TLV_FEC_SR_IGP_ADJ_PARALLEL 1
#define SUB_TLV_FEC_SR_IGP_ADJ_IPv4 4
#define SUB_TLV_FEC_SR_IGP_ADJ_IPv6 6
static const value_string mpls_echo_subtlv_igp_adjacency_types[] = {
{ SUB_TLV_FEC_SR_IGP_ADJ_UNNUMBERED, "Unnumbered Interface Adjacency"},
{ SUB_TLV_FEC_SR_IGP_ADJ_PARALLEL, "Parallel Adjacency"},
{ SUB_TLV_FEC_SR_IGP_ADJ_IPv4, "IPv4, Non-parallel Adjacency"},
{ SUB_TLV_FEC_SR_IGP_ADJ_IPv6, "IPv6, Non-parallel Adjacency"},
{ 0, NULL}
};
static const value_string mpls_echo_tlv_pad[] = {
{ 1, "Drop Pad TLV from reply" },
{ 2, "Copy Pad TLV to reply" },
{ 0, NULL}
};
/* [RFC 6425] */
#define TLV_P2MP_RESPONDER_IDENT_IPV4_EGRESS_ADDR 1
#define TLV_P2MP_RESPONDER_IDENT_IPV6_EGRESS_ADDR 2
#define TLV_P2MP_RESPONDER_IDENT_IPV4_NODE_ADDR 3
#define TLV_P2MP_RESPONDER_IDENT_IPV6_NODE_ADDR 4
static const value_string mpls_echo_tlv_responder_ident_sub_tlv_type[] = {
{ TLV_P2MP_RESPONDER_IDENT_IPV4_EGRESS_ADDR, "IPv4 Egress Address P2MP Responder Identifier"},
{ TLV_P2MP_RESPONDER_IDENT_IPV6_EGRESS_ADDR, "IPv6 Egress Address P2MP Responder Identifier"},
{ TLV_P2MP_RESPONDER_IDENT_IPV4_NODE_ADDR, "IPv4 Node Address P2MP Responder Identifier"},
{ TLV_P2MP_RESPONDER_IDENT_IPV6_NODE_ADDR, "IPv6 Node Address P2MP Responder Identifier"},
{0, NULL}
};
#define TLV_ADDR_IPv4 1
#define TLV_ADDR_UNNUM_IPv4 2
#define TLV_ADDR_IPv6 3
#define TLV_ADDR_UNNUM_IPv6 4
/* As per RFC 6426, https://tools.ietf.org/html/rfc6426 Section: 2.1 */
#define TLV_ADDR_NONIP 5
static const value_string mpls_echo_tlv_addr_type[] = {
{TLV_ADDR_IPv4, "IPv4 Numbered"},
{TLV_ADDR_UNNUM_IPv4, "IPv4 Unnumbered"},
{TLV_ADDR_IPv6, "IPv6 Numbered"},
{TLV_ADDR_UNNUM_IPv6, "IPv6 Unnumbered"},
{TLV_ADDR_NONIP, "Non IP"},
{0, NULL}
};
#define TLV_DS_MAP_HASH_NO_MP 0
#define TLV_DS_MAP_HASH_LABEL 1
#define TLV_DS_MAP_HASH_IP 2
#define TLV_DS_MAP_HASH_LABEL_RANGE 3
#define TLV_DS_MAP_HASH_IP_RANGE 4
#define TLV_DS_MAP_HASH_NO_LABEL 5
#define TLV_DS_MAP_HASH_ALL_IP 6
#define TLV_DS_MAP_HASH_NO_MATCH 7
#define TLV_DS_MAP_HASH_BITMASK_IP 8
#define TLV_DS_MAP_HASH_BITMASK_LABEL 9
static const value_string mpls_echo_tlv_ds_map_hash_type[] = {
{TLV_DS_MAP_HASH_NO_MP, "no multipath"},
{TLV_DS_MAP_HASH_LABEL, "label"},
{TLV_DS_MAP_HASH_IP, "IP address"},
{TLV_DS_MAP_HASH_LABEL_RANGE, "label range"},
{TLV_DS_MAP_HASH_IP_RANGE, "IP address range"},
{TLV_DS_MAP_HASH_NO_LABEL, "no more labels"},
{TLV_DS_MAP_HASH_ALL_IP, "All IP addresses"},
{TLV_DS_MAP_HASH_NO_MATCH, "no match"},
{TLV_DS_MAP_HASH_BITMASK_IP, "Bit-masked IPv4 address set"},
{TLV_DS_MAP_HASH_BITMASK_LABEL, "Bit-masked label set"},
{0, NULL}
};
static value_string_ext mpls_echo_tlv_ds_map_hash_type_ext = VALUE_STRING_EXT_INIT(mpls_echo_tlv_ds_map_hash_type);
static const value_string mpls_echo_tlv_ds_map_mp_proto[] = {
{0, "Unknown"},
{1, "Static"},
{2, "BGP"},
{3, "LDP"},
{4, "RSVP-TE"},
{5, "OSPF"},
{6, "IS-IS"},
{0, NULL}
};
/*
* Dissector for FEC sub-TLVs
*/
static void
dissect_mpls_echo_tlv_fec(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *tlv_fec_tree;
guint16 idx = 1, nil_idx = 1, type, saved_type;
int length, nil_length, pad;
guint32 label, adj_offset, adj_type, adj_proto;
guint8 exp, bos, ttl;
while (rem >= 4) { /* Type, Length */
type = tvb_get_ntohs(tvb, offset);
saved_type = type;
/* Check for Vendor Private sub-TLVs */
if (type >= TLV_FEC_VENDOR_PRIVATE_START) /* && <= TLV_FEC_VENDOR_PRIVATE_END always true */
type = TLV_FEC_VENDOR_PRIVATE_START;
length = tvb_get_ntohs(tvb, offset + 2);
ti = NULL;
tlv_fec_tree = NULL;
if (tree) {
tlv_fec_tree = proto_tree_add_subtree_format(tree, tvb, offset, length + (4-(length%4)),
ett_mpls_echo_tlv_fec, NULL, "FEC Element %u: %s",
idx, val_to_str_ext(type, &mpls_echo_tlv_fec_names_ext,
"Unknown FEC type (0x%04X)"));
/* FEC sub-TLV Type and Length */
proto_tree_add_uint_format_value(tlv_fec_tree, hf_mpls_echo_tlv_fec_type, tvb,
offset, 2, saved_type, "%s (%u)",
val_to_str_ext_const(type, &mpls_echo_tlv_fec_names_ext,
"Unknown sub-TLV type"), saved_type);
ti = proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_len, tvb, offset + 2,
2, ENC_BIG_ENDIAN);
}
if (length + 4 > rem) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length (claimed %u, found %u)",
length, rem - 4);
return;
}
/* FEC sub-TLV Value */
switch (type) {
case TLV_FEC_STACK_LDP_IPv4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv4_mask,
tvb, offset + 8, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_LDP_IPv6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv6,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv6_mask,
tvb, offset + 20, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_RSVP_IPv4:
if (length != 20) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 20);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_endpoint,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz1,
tvb, offset + 8, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id,
tvb, offset + 10, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv4_ext_tunnel_id,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_sender,
tvb, offset + 16, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_RSVP_IPv6:
if (length != 56) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 56);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_endpoint,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz1,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv6_ext_tunnel_id,
tvb, offset + 24, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_sender,
tvb, offset + 40, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
tvb, offset + 56, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id,
tvb, offset + 58, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_VPN_IPv4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_route_dist,
tvb, offset + 4, 8, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_ipv4,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_len,
tvb, offset + 16, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_VPN_IPv6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_route_dist,
tvb, offset + 4, 8, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_ipv6,
tvb, offset + 12, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_len,
tvb, offset + 28, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_L2_VPN:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_route_dist,
tvb, offset + 4, 8, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_send_ve_id,
tvb, offset + 12, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_recv_ve_id,
tvb, offset + 14, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_encap_type,
tvb, offset + 16, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_L2_CID_OLD:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_remote,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_vcid,
tvb, offset + 8, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_encap,
tvb, offset + 12, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_mbz,
tvb, offset + 14, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_L2_CID_NEW:
if (length < 14) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 14);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_sender,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_remote,
tvb, offset + 8, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_vcid,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_encap,
tvb, offset + 16, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_mbz,
tvb, offset + 18, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_VENDOR_PRIVATE_START:
if (length < 4) { /* SMI Enterprise code */
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be >= %u)",
length, 4);
} else {
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_vendor, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_value, tvb,
offset + 8, length - 4, ENC_NA);
}
}
break;
case TLV_FEC_STACK_BGP_LAB_v4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_len,
tvb, offset + 8, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_BGP_LAB_v6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_ipv6,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_len,
tvb, offset + 20, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_GEN_IPv4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv4_mask,
tvb, offset + 8, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_GEN_IPv6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv6,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv6_mask,
tvb, offset + 20, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_PW_IPv6_FEC_128:
if (length != 38) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 38);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_pw_ipv6_128_sender,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_pw_ipv6_128_remote,
tvb, offset + 20, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_pw_ipv6_128_pw_id,
tvb, offset + 36, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_pw_ipv6_128_pw_type,
tvb, offset + 38, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_pw_ipv6_128_mbz,
tvb, offset + 40, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_NIL:
nil_length = length;
while (nil_length >= 4) {
decode_mpls_label(tvb, offset + 4, &label, &exp, &bos, &ttl);
if (label <= MPLS_LABEL_MAX_RESERVED) {
proto_tree_add_uint_format(tlv_fec_tree, hf_mpls_echo_tlv_fec_nil_label,
tvb, offset + 4, 3, label, "Label %u: %u (%s)", nil_idx, label,
val_to_str_const(label, special_labels, "Reserved - Unknown"));
} else {
proto_tree_add_uint_format(tlv_fec_tree, hf_mpls_echo_tlv_fec_nil_label,
tvb, offset + 4, 3, label, "Label %u: %u", nil_idx, label);
}
nil_length -= 4;
offset += 4;
nil_idx++;
}
break;
case TLV_FEC_STACK_P2MP_IPv4:
if (length != 20) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 20);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_p2mp_id,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1,
tvb, offset + 8, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id,
tvb, offset + 10, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ext_tunnel_id,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ipv4_sender,
tvb, offset + 16, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz2,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_P2MP_IPv6:
if (length != 56) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 56);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_p2mp_id,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ext_tunnel_id,
tvb, offset + 24, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ipv6_sender,
tvb, offset + 40, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
tvb, offset + 56, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id,
tvb, offset + 58, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_STATIC_LSP:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_gid,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_nid,
tvb, (offset + 8), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_tunnel_no,
tvb, (offset + 12), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_lsp_no,
tvb, (offset + 14), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_gid,
tvb, (offset + 16), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_nid,
tvb, (offset + 20), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_tunnel_no,
tvb, (offset + 24), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_resv,
tvb, (offset + 26), 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_STATIC_PW:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_pw_serv_identifier,
tvb, (offset + 4), 8, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_gid,
tvb, (offset + 12), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_nid,
tvb, (offset + 16), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_pw_src_ac_id,
tvb, (offset + 20), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_gid,
tvb, (offset + 24), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_nid,
tvb, (offset + 28), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_pw_dst_ac_id,
tvb, (offset + 32), 4, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_SR_IGP_IPv4:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_ipv4,
tvb, offset + 4, 4, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_mask,
tvb, offset + 8, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_protocol,
tvb, offset + 9, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_reserved,
tvb, offset + 10, 2, ENC_NA);
break;
case TLV_FEC_STACK_SR_IGP_IPv6:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_ipv6,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_mask,
tvb, offset + 20, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_protocol,
tvb, offset + 21, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_reserved,
tvb, offset + 22, 2, ENC_NA);
break;
case TLV_FEC_STACK_SR_IGP_ADJ:
adj_offset = offset +4;
proto_tree_add_item_ret_uint(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_type,
tvb, adj_offset, 1, ENC_BIG_ENDIAN, &adj_type);
adj_offset += 1;
proto_tree_add_item_ret_uint(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_protocol,
tvb, adj_offset, 1, ENC_BIG_ENDIAN, &adj_proto);
adj_offset += 1;
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_reserved,
tvb, adj_offset, 2, ENC_NA);
adj_offset += 2;
switch(adj_type) {
case SUB_TLV_FEC_SR_IGP_ADJ_IPv4:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_local_ipv4,
tvb, adj_offset, 4, ENC_NA);
adj_offset += 4;
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_remote_ipv4,
tvb, adj_offset, 4, ENC_NA);
adj_offset += 4;
break;
case SUB_TLV_FEC_SR_IGP_ADJ_IPv6:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_local_ipv6,
tvb, adj_offset, 16, ENC_NA);
adj_offset += 16;
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_remote_ipv6,
tvb, adj_offset, 16, ENC_NA);
adj_offset += 16;
break;
case SUB_TLV_FEC_SR_IGP_ADJ_UNNUMBERED:
case SUB_TLV_FEC_SR_IGP_ADJ_PARALLEL:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_local_ident,
tvb, adj_offset, 4, ENC_NA);
adj_offset += 4;
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_remote_ident,
tvb, adj_offset, 4, ENC_NA);
adj_offset += 4;
break;
}
switch(adj_proto) {
case SUB_TLV_FEC_SR_PROTO_OSPF:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_adv_ident_ospf,
tvb, adj_offset, 4, ENC_NA);
adj_offset += 4;
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_rec_ident_ospf,
tvb, adj_offset, 4, ENC_NA);
break;
case SUB_TLV_FEC_SR_PROTO_ISIS:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_adv_ident_isis,
tvb, adj_offset, 6, ENC_NA);
adj_offset += 6;
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_rec_ident_isis,
tvb, adj_offset, 6, ENC_NA);
break;
case SUB_TLV_FEC_SR_PROTO_ANY:
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_adv_ident,
tvb, adj_offset, 4, ENC_NA);
adj_offset += 4;
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_igp_adj_rec_ident,
tvb, adj_offset, 4, ENC_NA);
break;
}
break;
case TLV_FEC_STACK_RES:
default:
if (length)
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_value,
tvb, offset + 4, length, ENC_NA);
break;
}
/*
* Check for padding based on sub-TLV length alignment;
* FEC sub-TLVs is zero-padded to align to four-octet boundary.
*/
if (length % 4) {
pad = 4 - (length % 4);
if (length + 4 + pad > rem) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Padded Length (claimed %u, found %u)",
length + pad, rem - 4);
return;
} else {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_padding, tvb, offset + 4 + length, pad, ENC_NA);
}
length += pad;
}
rem -= 4 + length;
offset += 4 + length;
idx++;
}
}
/*
* Dissector for Downstream Mapping TLV
*/
static void
dissect_mpls_echo_tlv_ds_map(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *tlv_ds_map_tree;
proto_tree *addr_ti;
guint16 mplen, idx = 1;
guint32 label;
guint8 exp, bos, proto;
guint8 hash_type, addr_type;
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_mtu, tvb,
offset, 2, ENC_BIG_ENDIAN);
addr_ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_addr_type, tvb,
offset + 2, 1, ENC_BIG_ENDIAN);
ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ds_map_tree = proto_item_add_subtree(ti, ett_mpls_echo_tlv_ds_map);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_flag_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_flag_i, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_flag_n, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
addr_type = tvb_get_guint8(tvb, offset + 2);
switch (addr_type) {
case TLV_ADDR_IPv4:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ds_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_int_ip, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_ADDR_UNNUM_IPv4:
case TLV_ADDR_UNNUM_IPv6:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ds_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_if_index, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_ADDR_IPv6:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ds_ipv6, tvb,
offset + 4, 16, ENC_NA);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_int_ipv6, tvb,
offset + 20, 16, ENC_NA);
rem -= 24;
offset += 24;
break;
case TLV_ADDR_NONIP :
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ingress_if_num, tvb,
(offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_egress_if_num, tvb,
(offset + 8), 4, ENC_BIG_ENDIAN);
break;
default:
expert_add_info_format(pinfo, addr_ti, &ei_mpls_echo_unknown_address_type,
"Unknown Address Type (%u)", addr_type);
break;
}
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_hash_type, tvb,
offset + 12, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_depth, tvb,
offset + 13, 1, ENC_BIG_ENDIAN);
ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_muti_len, tvb,
offset + 14, 2, ENC_BIG_ENDIAN);
/* Get the Multipath Length and Hash Type */
mplen = tvb_get_ntohs(tvb, offset + 14);
hash_type = tvb_get_guint8(tvb, offset + 12);
rem -= 16;
offset += 16;
if (rem < mplen) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, found %u)",
mplen, rem);
return;
}
rem -= mplen;
if (mplen) {
switch (hash_type) {
case TLV_DS_MAP_HASH_IP:
if (mplen != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, should be 4)",
mplen);
break;
}
tlv_ds_map_tree = proto_tree_add_subtree(tree, tvb, offset, 4,
ett_mpls_echo_tlv_ds_map, NULL, "Multipath Information");
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip, tvb,
offset, 4, ENC_BIG_ENDIAN);
break;
case TLV_DS_MAP_HASH_IP_RANGE:
if (mplen != 8) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, should be 8)",
mplen);
break;
}
tlv_ds_map_tree = proto_tree_add_subtree(tree, tvb, offset, 8,
ett_mpls_echo_tlv_ds_map, NULL, "Multipath Information");
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip_low, tvb,
offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip_high, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_DS_MAP_HASH_NO_MP:
case TLV_DS_MAP_HASH_NO_LABEL:
case TLV_DS_MAP_HASH_ALL_IP:
case TLV_DS_MAP_HASH_NO_MATCH:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_mp_no_multipath_info, tvb, offset, mplen, ENC_NA);
break;
case TLV_DS_MAP_HASH_BITMASK_IP:
if (mplen < 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, should be 4)",
mplen);
break;
}
tlv_ds_map_tree = proto_tree_add_subtree(tree, tvb, offset, mplen,
ett_mpls_echo_tlv_ds_map, NULL, "Multipath Information");
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip, tvb,
offset, 4, ENC_BIG_ENDIAN);
if (mplen > 4)
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_mask, tvb,
offset + 4, mplen - 4, ENC_NA);
break;
default:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_mp_value, tvb,
offset, mplen, ENC_NA);
break;
}
}
offset += mplen;
if (tree) {
while (rem >= 4) {
decode_mpls_label(tvb, offset, &label, &exp, &bos, &proto);
tlv_ds_map_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4,
ett_mpls_echo_tlv_ds_map, &ti, "Downstream Label Element %u", idx);
proto_item_append_text(ti, ", Label: %u", label);
if (label <= MPLS_LABEL_MAX_RESERVED) {
proto_tree_add_uint(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_label,
tvb, offset, 3, label);
proto_item_append_text(ti, " (%s)", val_to_str_const(label, special_labels,
"Reserved - Unknown"));
} else {
proto_tree_add_uint_format_value(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_label,
tvb, offset, 3, label, "%u", label);
}
proto_item_append_text(ti, ", Exp: %u, BOS: %u", exp, bos);
proto_tree_add_uint(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_exp,
tvb, offset + 2, 1, exp);
proto_tree_add_uint(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_bos,
tvb, offset + 2, 1, bos);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_proto,
tvb, offset + 3, 1, ENC_BIG_ENDIAN);
proto_item_append_text(ti, ", Protocol: %u (%s)", proto,
val_to_str_const(proto, mpls_echo_tlv_ds_map_mp_proto, "Unknown"));
rem -= 4;
offset += 4;
idx++;
}
}
}
/* Dissector for Detailed Downstream Mapping TLV - RFC [6424] */
static void
dissect_mpls_echo_tlv_dd_map(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ddti = NULL, *tlv_dd_map_tree, *tlv_ddstlv_map_tree;
proto_tree *ddsti, *ddsti2;
guint16 subtlv_length, subtlv_type, multipath_length;
guint8 addr_type, multipath_type, fec_tlv_length;
guint16 idx = 1;
guint32 label;
guint8 tc, s_bit, proto;
if (tree) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_mtu, tvb,
offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_addr_type, tvb,
offset + 2, 1, ENC_BIG_ENDIAN);
ddti = proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_dd_map_tree = proto_item_add_subtree(ddti, ett_mpls_echo_tlv_dd_map);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_flag_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_flag_i, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
ddti = proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_flag_n, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
}
addr_type = tvb_get_guint8(tvb, offset + 2);
switch (addr_type) {
case TLV_ADDR_IPv4:
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_ds_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_int_ip, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_ADDR_IPv6:
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_ds_ipv6, tvb,
offset + 4, 16, ENC_NA);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_int_ipv6, tvb,
offset + 20, 16, ENC_NA);
rem -= 24;
offset += 24;
break;
case TLV_ADDR_NONIP :
proto_tree_add_item (tree, hf_mpls_echo_tlv_dd_map_ingress_if_num, tvb,
(offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item (tree, hf_mpls_echo_tlv_dd_map_egress_if_num, tvb,
(offset + 8), 4, ENC_BIG_ENDIAN);
break;
default:
expert_add_info_format(pinfo, ddti, &ei_mpls_echo_unknown_address_type,
"Unknown Address Type (%u)", addr_type);
break;
}
if (tree) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_return_code, tvb,
offset + 12, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_return_subcode, tvb,
offset + 13, 1, ENC_BIG_ENDIAN);
ddti = proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_subtlv_len, tvb,
offset + 14, 2, ENC_BIG_ENDIAN);
}
rem -= 16;
offset += 16;
while (rem > 4) {
/* Get the Sub-tlv Type and Length */
subtlv_type = tvb_get_ntohs(tvb, offset);
subtlv_length = tvb_get_ntohs(tvb, offset+2);
rem -= 4;
offset += 4;
if (rem<subtlv_length){
expert_add_info_format(pinfo, ddti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, found %u)",
subtlv_length, rem);
return;
}
switch (subtlv_type) {
case TLV_FEC_MULTIPATH_DATA:
multipath_type = tvb_get_guint8(tvb, offset);
multipath_length = tvb_get_ntohs(tvb, offset + 1);
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset - 4, multipath_length + 8,
ett_mpls_echo_tlv_dd_map, &ddsti, "Multipath sub-TLV");
switch (multipath_type) {
case TLV_MULTIPATH_NO_MULTIPATH:
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_type, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Empty (Multipath Length = 0)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_multipath_info,
tvb, offset + 4, multipath_length, ENC_NA);
break;
case TLV_MULTIPATH_IP_ADDRESS:
if (multipath_length != 4) {
expert_add_info_format(pinfo, ddsti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, should be 4)",
multipath_length);
break;
}
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Multipath Information (IP addresses)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_multipath_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_MULTIPATH_IP_ADDRESS_RANGE:
if (multipath_length != 8) {
expert_add_info_format(pinfo, ddsti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, should be 8)",
multipath_length);
break;
}
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Multipath Information (low/high address pairs)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_mp_ip_low, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_mp_ip_high, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_MULTIPATH_BIT_MASKED_IP:
if (multipath_length < 4) {
expert_add_info_format(pinfo, ddsti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, should be >= 4)",
multipath_length);
break;
}
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Multipath Information (IP address prefix and bit mask)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_multipath_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
if (multipath_length > 4)
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_mp_mask,
tvb, offset + 8, multipath_length - 4, ENC_NA);
break;
case TLV_MULTIPATH_BIT_MASKED_LABEL_SET:
proto_tree_add_uint_format(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb, offset, 1, multipath_type,
"Multipath Information (Label prefix and bit mask)");
break;
default:
if (!tree)
break;
proto_tree_add_uint_format(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb, offset, 1, multipath_type,
"Multipath Type not identified (%u)", multipath_type);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_value, tvb,
offset + 3, rem, ENC_NA);
break;
}
rem -= (multipath_length + 4);
break;
case TLV_FEC_LABEL_STACK:
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset - 4, subtlv_length + 4,
ett_mpls_echo_tlv_dd_map, NULL, "Label stack sub-TLV");
while (subtlv_length >= 4) {
if (tree) {
decode_mpls_label(tvb, offset, &label, &tc, &s_bit, &proto);
tlv_ddstlv_map_tree = proto_tree_add_subtree_format(tlv_dd_map_tree, tvb, offset, 4,
ett_mpls_echo_tlv_ddstlv_map, &ddsti2, "Downstream Label Element %u", idx);
proto_item_append_text(ddsti2, ", Label: %u , Protocol: %u", label, proto);
proto_tree_add_uint(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_label, tvb, offset, 3, label);
proto_tree_add_uint(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_traffic_class, tvb, offset + 2, 1, tc);
proto_tree_add_uint(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_s_bit, tvb, offset + 2, 1, s_bit);
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_tlv_ddstlv_map_mp_proto,
tvb, offset + 3, 1, ENC_BIG_ENDIAN);
}
subtlv_length -= 4;
rem -= 4;
offset += 4;
idx++;
}
break;
case TLV_FEC_STACK_CHANGE: {
addr_type = tvb_get_guint8(tvb, offset + 1);
fec_tlv_length = tvb_get_guint8(tvb, offset + 2);
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset - 4, fec_tlv_length + 12,
ett_mpls_echo_tlv_dd_map, NULL, "Stack change sub-TLV");
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_op_type, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_addr_type, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_fec_tlv_value, tvb, offset + 2, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_res, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
switch (addr_type) {
case SUB_TLV_FEC_UNSPECIFIED:
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_remote_peer_unspecified, tvb, offset + 4, 0, ENC_NA);
break;
case SUB_TLV_FEC_IPV4:
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_remote_peer_ip, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
rem -= 4;
offset += 4;
break;
case SUB_TLV_FEC_IPV6:
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_remore_peer_ipv6, tvb, offset + 4, 16, ENC_NA);
rem -= 16;
offset += 16;
break;
}
offset += 4;
dissect_mpls_echo_tlv_fec(tvb, pinfo, offset, tlv_dd_map_tree, fec_tlv_length);
rem -= (fec_tlv_length + 4);
break;
}
default:
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset, subtlv_length, ett_mpls_echo_tlv_dd_map, NULL, "Error processing sub-TLV");
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_type, tvb, offset - 4, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_length, tvb, offset - 2, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_value, tvb, offset, subtlv_length, ENC_NA);
rem -= subtlv_length;
break;
}
}
}
/*
* Dissector for IPv4 and IPv6 Interface and Label Stack Object
*/
static void
dissect_mpls_echo_tlv_ilso(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem, gboolean is_ipv6)
{
proto_tree *ti;
guint8 type;
guint16 idx = 1;
guint32 label;
guint8 exp, bos, ttl;
ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_addr_type, tvb, offset, 1, ENC_BIG_ENDIAN);
type = tvb_get_guint8(tvb, offset);
offset += 1;
rem -= 1;
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_mbz, tvb, offset, 3, ENC_BIG_ENDIAN);
offset += 3;
rem -= 3;
if ((type == TLV_ADDR_IPv4) || (type == TLV_ADDR_UNNUM_IPv4)) {
if (is_ipv6) {
expert_add_info(pinfo, ti, &ei_mpls_echo_incorrect_address_type);
}
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv4_addr, tvb,
offset, 4, ENC_BIG_ENDIAN);
if (type == TLV_ADDR_IPv4) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv4_int_addr, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
} else {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_int_index, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
}
offset += 8;
rem -= 8;
} else if ((type == TLV_ADDR_IPv6) || (type == TLV_ADDR_UNNUM_IPv6)) {
if (!is_ipv6) {
expert_add_info(pinfo, ti, &ei_mpls_echo_incorrect_address_type);
}
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv6_addr, tvb,
offset, 16, ENC_NA);
if (type == TLV_ADDR_IPv6) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv6_int_addr, tvb,
offset + 16, 16, ENC_NA);
offset += 32;
rem -= 32;
} else {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_int_index, tvb,
offset + 16, 4, ENC_BIG_ENDIAN);
offset += 20;
rem -= 20;
}
} else {
expert_add_info(pinfo, ti, &ei_mpls_echo_incorrect_address_type);
return;
}
if (tree) {
while (rem >= 4) {
proto_tree *tlv_ilso;
decode_mpls_label(tvb, offset, &label, &exp, &bos, &ttl);
tlv_ilso = proto_tree_add_subtree_format(tree, tvb, offset, 4, ett_mpls_echo_tlv_ilso, &ti, "Label Stack Element %u", idx);
proto_item_append_text(ti, ", Label: %u", label);
if (label <= MPLS_LABEL_MAX_RESERVED) {
proto_tree_add_uint_format_value(tlv_ilso, hf_mpls_echo_tlv_ilso_label,
tvb, offset, 3, label, "%u (%s)", label,
val_to_str_const(label, special_labels, "Reserved - Unknown"));
proto_item_append_text(ti, " (%s)", val_to_str_const(label, special_labels,
"Reserved - Unknown"));
} else {
proto_tree_add_uint_format_value(tlv_ilso, hf_mpls_echo_tlv_ilso_label,
tvb, offset, 3, label, "%u", label);
}
proto_item_append_text(ti, ", Exp: %u, BOS: %u, TTL: %u",
exp, bos, ttl);
proto_tree_add_uint(tlv_ilso, hf_mpls_echo_tlv_ilso_exp,
tvb, offset + 2, 1, exp);
proto_tree_add_uint(tlv_ilso, hf_mpls_echo_tlv_ilso_bos,
tvb, offset + 2, 1, bos);
proto_tree_add_item(tlv_ilso, hf_mpls_echo_tlv_ilso_ttl,
tvb, offset + 3, 1, ENC_BIG_ENDIAN);
rem -= 4;
offset += 4;
idx++;
}
}
}
static int
dissect_mpls_echo_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem, gboolean in_errored);
/*
* Dissector for Errored TLVs
*/
static void
// NOLINTNEXTLINE(misc-no-recursion)
dissect_mpls_echo_tlv_errored(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
int errored_tlv_length;
increment_dissection_depth(pinfo);
while (rem >= 4) {
errored_tlv_length = dissect_mpls_echo_tlv(tvb, pinfo, offset, tree, rem, TRUE);
rem -= errored_tlv_length;
offset += errored_tlv_length;
}
increment_dissection_depth(pinfo);
}
/*
* Dissector for MPLS Echo TLVs and return bytes consumed
*/
static int
// NOLINTNEXTLINE(misc-no-recursion)
dissect_mpls_echo_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem, gboolean in_errored)
{
proto_tree *ti = NULL, *mpls_echo_tlv_tree = NULL;
guint16 type, saved_type;
int length;
length = tvb_reported_length_remaining(tvb, offset);
rem = MIN(rem, length);
if ( rem < 4 ) { /* Type Length */
proto_tree_add_expert_format(tree, pinfo, &ei_mpls_echo_tlv_len, tvb, offset, rem,
"Error processing TLV: length is %d, should be >= 4", rem);
return rem;
}
type = tvb_get_ntohs(tvb, offset);
length = tvb_get_ntohs(tvb, offset + 2);
rem -= 4; /* do not count Type Length */
length = MIN(length, rem);
/* Check for Vendor Private TLVs */
saved_type = type;
if (type >= TLV_VENDOR_PRIVATE_START) /* && <= TLV_VENDOR_PRIVATE_END always true */
type = TLV_VENDOR_PRIVATE_START;
if (tree) {
mpls_echo_tlv_tree = proto_tree_add_subtree_format(tree, tvb, offset, length + 4, ett_mpls_echo_tlv, NULL,
"%s%s", in_errored ? "Errored TLV Type: " : "",
val_to_str_ext(type, &mpls_echo_tlv_type_names_ext, "Unknown TLV type (0x%04X)"));
/* MPLS Echo TLV Type and Length */
if (in_errored) {
proto_tree_add_uint_format_value(mpls_echo_tlv_tree, hf_mpls_echo_tlv_errored_type, tvb,
offset, 2, saved_type, "%s (%u)",
val_to_str_ext_const(type, &mpls_echo_tlv_type_names_ext,
"Unknown TLV type"), saved_type);
} else {
proto_tree_add_uint_format_value(mpls_echo_tlv_tree, hf_mpls_echo_tlv_type, tvb,
offset, 2, saved_type, "%s (%u)",
val_to_str_ext_const(type, &mpls_echo_tlv_type_names_ext,
"Unknown TLV type"), saved_type);
}
ti = proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_len, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
}
/* MPLS Echo TLV Value */
if (length == 0)
return 4; /* Empty TLV, return Type and Length consumed. */
switch (type) {
case TLV_TARGET_FEC_STACK:
dissect_mpls_echo_tlv_fec(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_PAD:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_padaction, tvb,
offset + 4, 1, ENC_BIG_ENDIAN);
if (length > 1)
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_padding, tvb,
offset + 5, length - 1, ENC_NA);
break;
case TLV_VENDOR_CODE:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_vendor, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_ILSO_IPv4:
if (length < 12) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 12)",
length);
break;
}
dissect_mpls_echo_tlv_ilso(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length, FALSE);
break;
case TLV_ILSO_IPv6:
if (length < 24) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 24)",
length);
break;
}
dissect_mpls_echo_tlv_ilso(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length, TRUE);
break;
#if 0
case TLV_RTO_IPv4:
if (length != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_rto_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_RTO_IPv6:
if (length != 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 16)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_rto_ipv6,
tvb, offset + 4, 16, ENC_NA);
break;
#endif
case TLV_P2MP_ECHO_JITTER:
if (length != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_echo_jitter,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_P2MP_RESPONDER_IDENT: {
guint16 resp_ident_type, resp_ident_len;
proto_item *hidden_item;
resp_ident_type = tvb_get_ntohs(tvb, offset + 4);
resp_ident_len = tvb_get_ntohs(tvb, offset + 6);
/* Check addr length */
switch (resp_ident_type) {
case TLV_P2MP_RESPONDER_IDENT_IPV4_EGRESS_ADDR:
case TLV_P2MP_RESPONDER_IDENT_IPV4_NODE_ADDR:
if (resp_ident_len != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_type,
tvb, offset + 4, 2, ENC_BIG_ENDIAN);
hidden_item = proto_tree_add_item(mpls_echo_tlv_tree,
hf_mpls_echo_tlv_responder_indent_len, tvb,
offset + 6, 2, ENC_BIG_ENDIAN);
proto_item_set_hidden(hidden_item);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_ipv4,
tvb, offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_P2MP_RESPONDER_IDENT_IPV6_EGRESS_ADDR:
case TLV_P2MP_RESPONDER_IDENT_IPV6_NODE_ADDR:
if (resp_ident_len != 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 16)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_type,
tvb, offset + 4, 2, ENC_BIG_ENDIAN);
hidden_item = proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_len,
tvb, offset + 6, 2, ENC_BIG_ENDIAN);
proto_item_set_hidden(hidden_item);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_ipv4,
tvb, offset + 8, 16, ENC_BIG_ENDIAN);
break;
}
break;
}
case TLV_VENDOR_PRIVATE_START:
if (length < 4) { /* SMI Enterprise code */
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 4)",
length);
} else {
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_vendor, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_value, tvb,
offset + 8, length - 4, ENC_NA);
}
break;
case TLV_DOWNSTREAM_MAPPING:
if (length < 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 16)",
length);
break;
}
dissect_mpls_echo_tlv_ds_map(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_DETAILED_DOWNSTREAM: /* [RFC 6424] */
if (length < 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 16)",
length);
break;
}
dissect_mpls_echo_tlv_dd_map(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_ERRORED_TLV:
if (in_errored)
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_value, tvb,
offset + 4, length, ENC_NA);
else
dissect_mpls_echo_tlv_errored(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_REPLY_TOS:
if (length != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_reply_tos, tvb,
offset + 4, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_reply_tos_mbz, tvb,
offset + 5, 3, ENC_BIG_ENDIAN);
break;
case TLV_SRC_IDENTIFIER:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_gid,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_nid,
tvb, (offset + 8), 4, ENC_BIG_ENDIAN);
break;
case TLV_DST_IDENTIFIER:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_gid,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_nid,
tvb, (offset + 8), 4, ENC_BIG_ENDIAN);
break;
case TLV_BFD_DISCRIMINATOR:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_bfd,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
break;
case TLV_REVERSE_PATH_FEC_STACK:
dissect_mpls_echo_tlv_fec (tvb, pinfo, (offset + 4), mpls_echo_tlv_tree, length);
break ;
case TLV_ERROR_CODE:
default:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_value, tvb,
offset + 4, length, ENC_NA);
break;
}
return length + 4; /* Length of the Value field + Type Length */
}
#define MSGTYPE_MPLS_ECHO(msgtype) ((msgtype == 1) || (msgtype == 2))
#define MSGTYPE_DATAPLANE(msgtype) ((msgtype == 3) || (msgtype == 4))
/*
* Dissector for MPLS Echo (LSP PING) packets
*/
static int
dissect_mpls_echo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
int offset = 0, rem = 0, len;
proto_item *ti = NULL;
proto_tree *mpls_echo_tree = NULL;
guint8 msgtype;
/* If version != 1 we assume it's not an mpls ping packet */
if (tvb_captured_length(tvb) < 5) {
return 0; /* Not enough information to tell version and message type. */
}
if (tvb_get_ntohs(tvb, 0) != 1) {
return 0; /* Not version 1. */
}
/* Make entries in Protocol column and Info column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "MPLS ECHO");
/* Clear the info column so it's sane if we crash. We fill it in later when
* we've dissected more of the packet. */
col_clear(pinfo->cinfo, COL_INFO);
rem = tvb_reported_length_remaining(tvb, offset);
/* Get the message type and fill in the Column info */
msgtype = tvb_get_guint8(tvb, offset + 4);
/* The minimum fixed part of the packet is 16 Bytes or 32 Bytes depending on Msg Type */
if ( ((!MSGTYPE_MPLS_ECHO(msgtype)) && (rem < 16)) ||
((MSGTYPE_MPLS_ECHO(msgtype)) && (rem < 32)) ) {
col_set_str(pinfo->cinfo, COL_INFO, "Malformed Message");
ti = proto_tree_add_item(tree, proto_mpls_echo, tvb, 0, -1, ENC_NA);
expert_add_info_format(pinfo, ti, &ei_mpls_echo_malformed, "Error processing Message: length is %d, should be >= %u",
rem, (MSGTYPE_MPLS_ECHO(msgtype)) ? 32 : 16);
return 0;
}
col_add_str(pinfo->cinfo, COL_INFO,
val_to_str(msgtype, mpls_echo_msgtype, "Unknown Message Type (0x%02X)"));
if (tree) {
/* Add subtree and dissect the fixed part of the message */
ti = proto_tree_add_item(tree, proto_mpls_echo, tvb, 0, -1, ENC_NA);
mpls_echo_tree = proto_item_add_subtree(ti, ett_mpls_echo);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_version, tvb, offset, 2, ENC_BIG_ENDIAN);
if (MSGTYPE_MPLS_ECHO(msgtype)) {
proto_tree *mpls_echo_gflags;
ti = proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_gflags, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
mpls_echo_gflags = proto_item_add_subtree(ti, ett_mpls_echo_gflags);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_sbz, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_v, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_t, tvb, (offset + 2), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_r, tvb, (offset + 2), 2, ENC_BIG_ENDIAN);
} else {
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_mbz, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
}
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_msgtype, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_replymode, tvb, offset + 5, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_returncode, tvb, offset + 6, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_returnsubcode, tvb, offset + 7, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_handle, tvb, offset + 8, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_sequence, tvb, offset + 12, 4, ENC_BIG_ENDIAN);
if (MSGTYPE_MPLS_ECHO(msgtype)) {
proto_tree_add_item(mpls_echo_tree, hf_mpls_echo_ts_sent, tvb,
offset + 16, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree, hf_mpls_echo_ts_rec, tvb,
offset + 24, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
}
}
if (MSGTYPE_MPLS_ECHO(msgtype)) {
offset += 32;
rem -= 32;
} else {
offset += 16;
rem -= 16;
}
/* Dissect all TLVs */
while (tvb_reported_length_remaining(tvb, offset) > 0 ) {
len = dissect_mpls_echo_tlv(tvb, pinfo, offset, mpls_echo_tree, rem, FALSE);
offset += len;
rem -= len;
}
return tvb_captured_length(tvb);
}
/* Register the protocol with Wireshark */
void
proto_register_mpls_echo(void)
{
static hf_register_info hf[] = {
{ &hf_mpls_echo_version,
{ "Version", "mpls_echo.version",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO Version Number", HFILL}
},
{ &hf_mpls_echo_mbz,
{ "MBZ", "mpls_echo.mbz",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO Must be Zero", HFILL}
},
{ &hf_mpls_echo_gflags,
{ "Global Flags", "mpls_echo.flags",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO Global Flags", HFILL}
},
{ &hf_mpls_echo_flag_sbz,
{ "Reserved", "mpls_echo.flag_sbz",
FT_UINT16, BASE_HEX, NULL, 0xFFF8, "MPLS ECHO Reserved Flags", HFILL}
},
{ &hf_mpls_echo_flag_v,
{ "Validate FEC Stack", "mpls_echo.flag_v",
FT_BOOLEAN, 16, NULL, 0x0001, "MPLS ECHO Validate FEC Stack Flag", HFILL}
},
{ &hf_mpls_echo_flag_t,
{ "Respond only if TTL expired", "mpls_echo.flag_t",
FT_BOOLEAN, 16, NULL, 0x0002, "MPLS ECHO Respond only if TTL expired Flag", HFILL}
},
{ &hf_mpls_echo_flag_r,
{ "Validate Reverse Path", "mpls_echo.flag_r",
FT_BOOLEAN, 16, NULL, 0x0004, "MPLS ECHO Validate Reverse Path Flag", HFILL}
},
{ &hf_mpls_echo_msgtype,
{ "Message Type", "mpls_echo.msg_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_msgtype), 0x0, "MPLS ECHO Message Type", HFILL}
},
{ &hf_mpls_echo_replymode,
{ "Reply Mode", "mpls_echo.reply_mode",
FT_UINT8, BASE_DEC, VALS(mpls_echo_replymode), 0x0, "MPLS ECHO Reply Mode", HFILL}
},
{ &hf_mpls_echo_returncode,
{ "Return Code", "mpls_echo.return_code",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &mpls_echo_returncode_ext, 0x0, "MPLS ECHO Return Code", HFILL}
},
{ &hf_mpls_echo_returnsubcode,
{ "Return Subcode", "mpls_echo.return_subcode",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO Return Subcode", HFILL}
},
{ &hf_mpls_echo_handle,
{ "Sender's Handle", "mpls_echo.sender_handle",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO Sender's Handle", HFILL}
},
{ &hf_mpls_echo_sequence,
{ "Sequence Number", "mpls_echo.sequence",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO Sequence Number", HFILL}
},
{ &hf_mpls_echo_ts_sent,
{ "Timestamp Sent", "mpls_echo.timestamp_sent",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, "MPLS ECHO Timestamp Sent", HFILL}
},
{ &hf_mpls_echo_ts_rec,
{ "Timestamp Received", "mpls_echo.timestamp_rec",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, "MPLS ECHO Timestamp Received", HFILL}
},
{ &hf_mpls_echo_tlv_type,
{ "Type", "mpls_echo.tlv.type",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_type_names_ext, 0x0,
"MPLS ECHO TLV Type", HFILL}
},
{ &hf_mpls_echo_tlv_len,
{ "Length", "mpls_echo.tlv.len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Length", HFILL}
},
{ &hf_mpls_echo_tlv_value,
{ "Value", "mpls_echo.tlv.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Value", HFILL}
},
{ &hf_mpls_echo_tlv_fec_type,
{ "Type", "mpls_echo.tlv.fec.type",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_fec_names_ext, 0x0,
"MPLS ECHO TLV FEC Stack Type", HFILL}
},
{ &hf_mpls_echo_tlv_fec_len,
{ "Length", "mpls_echo.tlv.fec.len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_value,
{ "Value", "mpls_echo.tlv.fec.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack Value", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.ldp_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv4_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.ldp_ipv4_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv4 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.ldp_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv6_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.ldp_ipv6_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv6 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_endpoint,
{ "IPv4 Tunnel endpoint address", "mpls_echo.tlv.fec.rsvp_ipv4_ep",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Tunnel Endpoint Address", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_endpoint,
{ "IPv6 Tunnel endpoint address", "mpls_echo.tlv.fec.rsvp_ipv6_ep",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv6 Tunnel Endpoint Address", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_mbz1,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_ip_mbz1",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id,
{ "Tunnel ID", "mpls_echo.tlv.fec.rsvp_ip_tun_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv4_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_ipv4_ext_tun_id",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_sender,
{ "IPv4 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_ipv4_sender",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv6_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_ipv6_ext_tun_id",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv6 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_sender,
{ "IPv6 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_ipv6_sender",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_ip_mbz2",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id,
{ "LSP ID", "mpls_echo.tlv.fec.rsvp_ip_lsp_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP LSP ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_route_dist,
{ "Route Distinguisher", "mpls_echo.tlv.fec.vpn_route_dist",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN Route Distinguisher", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.vpn_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.vpn_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_len,
{ "Prefix Length", "mpls_echo.tlv.fec.vpn_len",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_route_dist,
{ "Route Distinguisher", "mpls_echo.tlv.fec.l2vpn_route_dist",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2VPN Route Distinguisher", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_send_ve_id,
{ "Sender's VE ID", "mpls_echo.tlv.fec.l2vpn_send_ve_id",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2VPN Sender's VE ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_recv_ve_id,
{ "Receiver's VE ID", "mpls_echo.tlv.fec.l2vpn_recv_ve_id",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2VPN Receiver's VE ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_encap_type,
{ "Encapsulation", "mpls_echo.tlv.fec.l2vpn_encap_type",
FT_UINT16, BASE_DEC, VALS(fec_vc_types_vals), 0x0, "MPLS ECHO TLV FEC Stack L2VPN Encapsulation", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_sender,
{ "Sender's PE Address", "mpls_echo.tlv.fec.l2cid_sender",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_remote,
{ "Remote PE Address", "mpls_echo.tlv.fec.l2cid_remote",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID Remote", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_vcid,
{ "VC ID", "mpls_echo.tlv.fec.l2cid_vcid",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID VCID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_encap,
{ "Encapsulation", "mpls_echo.tlv.fec.l2cid_encap",
FT_UINT16, BASE_DEC, VALS(fec_vc_types_vals), 0x0, "MPLS ECHO TLV FEC Stack L2CID Encapsulation", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_mbz,
{ "MBZ", "mpls_echo.tlv.fec.l2cid_mbz",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_bgp_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.bgp_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack BGP IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_bgp_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.bgp_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack BGP IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_bgp_len,
{ "Prefix Length", "mpls_echo.tlv.fec.bgp_len",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack BGP Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.gen_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv4_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.gen_ipv4_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv4 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.gen_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv6_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.gen_ipv6_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv6 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_nil_label,
{ "Label", "mpls_echo.tlv.fec.nil_label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV FEC Stack NIL Label", HFILL}
},
{ &hf_mpls_echo_tlv_fec_pw_ipv6_128_sender,
{ "Sender's PE Address", "mpls_echo.tlv.fec.pw_ipv6_128_sender",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC PW IPV6 FEC 128 SENDER", HFILL }
},
{ &hf_mpls_echo_tlv_fec_pw_ipv6_128_remote,
{ "Remote's PE Address", "mpls_echo.tlv.fec.pw_ipv6_128_remote",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC PW IPV6 FEC 128 REMOTE", HFILL }
},
{ &hf_mpls_echo_tlv_fec_pw_ipv6_128_pw_id,
{ "PW ID", "mpls_echo.tlv.fec.fec.pw_ipv6_128_pwid",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC PW IPV6 FEC 128 PW ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_pw_ipv6_128_pw_type,
{ "PW TYPE", "mpls_echo.tlv.fec.fec.pw_ipv6_128_pw_type",
FT_UINT16, BASE_DEC, VALS(fec_vc_types_vals), 0x0, "MPLS ECHO TLV FEC PW IPV6 FEC 128 PW TYPE", HFILL}
},
{ &hf_mpls_echo_tlv_fec_pw_ipv6_128_mbz,
{ "MBZ", "mpls_echo.tlv.fec.fec.pw_ipv6_128_mbz",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC PW IPV6 FEC 128 MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.igp_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.igp_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.igp_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_protocol,
{ "Protocol", "mpls_echo.tlv.fec.igp_protocol",
FT_UINT8, BASE_DEC, VALS(mpls_echo_subtlv_sr_protocol_types), 0x0, "MPLS ECHO TLV FEC Stack IGP Protocol", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_reserved,
{ "Reserved", "mpls_echo.tlv.fec.igp_reserved",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Reserved", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_type,
{ "Adjacency Type", "mpls_echo.tlv.fec.igp_adj_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_subtlv_igp_adjacency_types), 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Type", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_local_ipv4,
{ "Local Interface ID", "mpls_echo.tlv.fec.igp_adj_local_id.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Local Interface ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_local_ipv6,
{ "Local Interface ID", "mpls_echo.tlv.fec.igp_adj_local_id.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Local Interface ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_local_ident,
{ "Local Interface ID", "mpls_echo.tlv.fec.igp_adj_local_id.ident",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Local Interface ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_remote_ipv4,
{ "Remote Interface ID", "mpls_echo.tlv.fec.igp_adj_remote_id.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Remote Interface ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_remote_ipv6,
{ "Remote Interface ID", "mpls_echo.tlv.fec.igp_adj_remote_id.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Remote Interface ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_remote_ident,
{ "Remote Interface ID", "mpls_echo.tlv.fec.igp_adj_remote_id.ident",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Remote Interface ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_adv_ident_ospf,
{ "Advertising Node Identifier Router ID", "mpls_echo.tlv.fec.igp_adj_adv_node_id.ospf",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Advertising Node Identifier OSPF Router ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_adv_ident_isis,
{ "Advertising Node Identifier System ID", "mpls_echo.tlv.fec.igp_adj_adv_node_id.isis",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Advertising Node Identifier IS-IS System ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_adv_ident,
{ "Advertising Node Identifier", "mpls_echo.tlv.fec.igp_adj_adv_node_id.ident",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Advertising Node Identifier", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_rec_ident_ospf,
{ "Receiving Node Identifier Router ID", "mpls_echo.tlv.fec.igp_adj_rec_node_id.ospf",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Receiving Node Identifier OSPF Router ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_rec_ident_isis,
{ "Receiving Node Identifier System ID", "mpls_echo.tlv.fec.igp_adj_rec_node_id.isis",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Receiving Node Identifier IS-IS System ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_igp_adj_rec_ident,
{ "Receiving Node Identifier", "mpls_echo.tlv.fec.igp_adj_rec_node_id.ident",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack IGP Adjacency Receiving Node Identifier", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mtu,
{ "MTU", "mpls_echo.tlv.ds_map.mtu",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map MTU", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_addr_type,
{ "Address Type", "mpls_echo.tlv.ds_map.addr_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_addr_type), 0x0,
"MPLS ECHO TLV Downstream Map Address Type", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_res,
{ "DS Flags", "mpls_echo.tlv.ds_map.res",
FT_UINT8, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Downstream Map DS Flags", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_flag_res,
{ "MBZ", "mpls_echo.tlv.ds_map.flag_res",
FT_UINT8, BASE_HEX, NULL, 0xFC, "MPLS ECHO TLV Downstream Map Reserved Flags", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_flag_i,
{ "Interface and Label Stack Request", "mpls_echo.tlv.ds_map.flag_i",
FT_BOOLEAN, 8, NULL, 0x02, "MPLS ECHO TLV Downstream Map I-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_flag_n,
{ "Treat as Non-IP Packet", "mpls_echo.tlv.ds_map.flag_n",
FT_BOOLEAN, 8, NULL, 0x01, "MPLS ECHO TLV Downstream Map N-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_ds_ip,
{ "Downstream IP Address", "mpls_echo.tlv.ds_map.ds_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_int_ip,
{ "Downstream Interface Address", "mpls_echo.tlv.ds_map.int_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_if_index,
{ "Upstream Interface Index", "mpls_echo.tlv.ds_map.if_index",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Interface Index", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_ds_ipv6,
{ "Downstream IPv6 Address", "mpls_echo.tlv.ds_map.ds_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_int_ipv6,
{ "Downstream Interface IPv6 Address", "mpls_echo.tlv.ds_map.int_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Interface IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_hash_type,
{ "Multipath Type", "mpls_echo.tlv.ds_map.hash_type",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_ds_map_hash_type_ext, 0x0,
"MPLS ECHO TLV Downstream Map Multipath Type", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_depth,
{ "Depth Limit", "mpls_echo.tlv.ds_map.depth",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Depth Limit", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_muti_len,
{ "Multipath Length", "mpls_echo.tlv.ds_map.multi_len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath Length", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_ip,
{ "IP Address", "mpls_echo.tlv.ds_map_mp.ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_mask,
{ "Mask", "mpls_echo.tlv.ds_map_mp.mask",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath Mask", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_ip_low,
{ "IP Address Low", "mpls_echo.tlv.ds_map_mp.ip_low",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath Low IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_ip_high,
{ "IP Address High", "mpls_echo.tlv.ds_map_mp.ip_high",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath High IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_no_multipath_info,
{ "No Multipath Information", "mpls_echo.tlv.ds_map_mp.no_multipath_info",
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_value,
{ "Multipath Value", "mpls_echo.tlv.ds_map_mp.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Multipath Value", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_label,
{ "Downstream Label", "mpls_echo.tlv.ds_map.mp_label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV Downstream Map Downstream Label", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_exp,
{ "Downstream Exp", "mpls_echo.tlv.ds_map.mp_exp",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Downstream Experimental", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_bos,
{ "Downstream BOS", "mpls_echo.tlv.ds_map.mp_bos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Downstream BOS", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_proto,
{ "Downstream Protocol", "mpls_echo.tlv.ds_map.mp_proto",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_ds_map_mp_proto), 0x0,
"MPLS ECHO TLV Downstream Map Downstream Protocol", HFILL}
},
{ &hf_mpls_echo_tlv_padaction,
{ "Pad Action", "mpls_echo.tlv.pad_action",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_pad), 0x0, "MPLS ECHO Pad TLV Action", HFILL}
},
{ &hf_mpls_echo_tlv_padding,
{ "Padding", "mpls_echo.tlv.pad_padding",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO Pad TLV Padding", HFILL}
},
{ &hf_mpls_echo_tlv_vendor,
{ "Vendor Id", "mpls_echo.tlv.vendor_id",
FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0, "MPLS ECHO Vendor Id", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_addr_type,
{ "Address Type", "mpls_echo.tlv.ilso.addr_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_addr_type), 0x0,
"MPLS ECHO TLV Interface and Label Stack Address Type", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_mbz,
{ "Must Be Zero", "mpls_echo.tlv.ilso.mbz",
FT_UINT24, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv4_addr,
{ "Downstream IPv4 Address", "mpls_echo.tlv.ilso_ipv4.addr",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv4_int_addr,
{ "Downstream Interface Address", "mpls_echo.tlv.ilso_ipv4.int_addr",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv6_addr,
{ "Downstream IPv6 Address", "mpls_echo.tlv.ilso_ipv6.addr",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv6_int_addr,
{ "Downstream Interface Address", "mpls_echo.tlv.ilso_ipv6.int_addr",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_int_index,
{ "Downstream Interface Index", "mpls_echo.tlv.ilso.int_index",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Interface Index", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_label,
{ "Label", "mpls_echo.tlv.ilso_ipv4.label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV Interface and Label Stack Label", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_exp,
{ "Exp", "mpls_echo.tlv.ilso_ipv4.exp",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Exp", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_bos,
{ "BOS", "mpls_echo.tlv.ilso_ipv4.bos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack BOS", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ttl,
{ "TTL", "mpls_echo.tlv.ilso_ipv4.ttl",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack TTL", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_rto_ipv4,
{ "Reply-to IPv4 Address", "mpls_echo.tlv.rto.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV IPv4 Reply-To Object", HFILL}
},
{ &hf_mpls_echo_tlv_rto_ipv6,
{ "Reply-to IPv6 Address", "mpls_echo.tlv.rto.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV IPv6 Reply-To Object", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_reply_tos,
{ "Reply-TOS Byte", "mpls_echo.tlv.reply.tos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Reply-TOS Byte", HFILL}
},
{ &hf_mpls_echo_tlv_reply_tos_mbz,
{ "MBZ", "mpls_echo.tlv.reply.tos.mbz",
FT_UINT24, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Reply-TOS MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_errored_type,
{ "Errored TLV Type", "mpls_echo.tlv.errored.type",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_type_names_ext, 0x0,
"MPLS ECHO TLV Errored TLV Type", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_ingress_if_num,
{ "Ingress Interface Number", "mpls_echo.tlv.ds_map.ingress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV DownStream Map Ingress Interface Number", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_egress_if_num,
{ "Egress Interface Number", "mpls_echo.tlv.ds_map.egress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV DownStream Map Egress Interface Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_gid,
{ "SRC GLOBAL ID", "mpls_echo.lspping.tlv.src.gid",
FT_UINT32, BASE_DEC, NULL, 0x0, "LSP SRC GID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_nid,
{ "SRC NODE ID", "mpls_echo.lspping.tlv.src.nid",
FT_IPv4, BASE_NONE, NULL, 0x0, "LSP SRC NID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_tunnel_no,
{ "SRC Tunnel Number", "mpls_echo.lspping.tlv.tunnel.no",
FT_UINT16, BASE_DEC, NULL, 0x0, "LSP FEC Tunnel Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_lsp_no,
{ "SRC LSP Number", "mpls_echo.lspping.tlv.lsp.no",
FT_UINT16, BASE_DEC, NULL, 0x0, "LSP FEC LSP Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_dst_gid,
{ "DST GLOBAL ID", "mpls_echo.lspping.tlv.dst.gid",
FT_UINT32, BASE_DEC, NULL, 0x0, "LSP FEC DST GID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_dst_nid,
{ "DST NODE ID", "mpls_echo.lspping.tlv.dst.nid",
FT_IPv4, BASE_NONE, NULL, 0x0, "LSP FEC DST NID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_dst_tunnel_no,
{ "DST Tunnel Number", "mpls_echo.lspping.tlv.dst.tunnel.no",
FT_UINT16, BASE_DEC, NULL, 0x0, "LSP FEC DST Tunnel Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_resv,
{ "RESERVED", "mpls_echo.lspping.tlv.resv",
FT_UINT16, BASE_DEC, NULL, 0x0, "RESERVED BITS", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_addr_gid,
{ "Global ID", "mpls_echo.lspping.tlv.src.addr.gid",
FT_UINT32, BASE_DEC, NULL, 0x0, "SRC ADDR TLV GID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_addr_nid,
{ "Node ID", "mpls_echo.lspping.tlv.src.addr.nid",
FT_IPv4, BASE_NONE, NULL, 0x0, "SRC ADDR TLV NID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_pw_serv_identifier,
{ "Service identifier", "mpls_echo.lspping.tlv.pw.serv.identifier",
FT_UINT64, BASE_DEC, NULL, 0x0, "PW FEC Service identifier", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_pw_src_ac_id,
{ "SRC AC ID", "mpls_echo.lspping.tlv.pw.src.ac.id",
FT_UINT32, BASE_DEC, NULL, 0x0, "PW FEC SRC AC ID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_pw_dst_ac_id,
{ "DST AC ID", "mpls_echo.lspping.tlv.pw.dst.ac.id",
FT_UINT32, BASE_DEC, NULL, 0x0, "PW FEC DST AC ID", HFILL}
},
{ &hf_mpls_echo_padding,
{ "Padding", "mpls_echo.padding",
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}
},
#if 0
{ &hf_mpls_echo_lspping_tlv_pw_agi_type,
{ "AGI TYPE", "mpls_echo.lspping.tlv.pw.agi.type",
FT_UINT8, BASE_DEC, NULL, 0x0, "PW AGI TYPE", HFILL}
},
#endif
#if 0
{ &hf_mpls_echo_lspping_tlv_pw_agi_len,
{ "AGI Length", "mpls_echo.lspping.tlv.pw.agi.len",
FT_UINT8, BASE_DEC, NULL, 0x0, "PW AGI LENGTH", HFILL}
},
#endif
#if 0
{ &hf_mpls_echo_lspping_tlv_pw_agi_val,
{ "AGI VALUE", "mpls_echo.lspping.tlv.pw.agi.val",
FT_STRING, BASE_NONE, NULL, 0x0, "PW AGI VALUE", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_dd_map_mtu,
{ "MTU", "mpls_echo.lspping.tlv.dd_map.mtu",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map MTU", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_addr_type,
{ "Address Type", "mpls_echo.tlv.dd_map.addr_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_addr_type), 0x0, "MPLS ECHO TLV Detailed Downstream Map Address Type", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_res,
{ "DS Flags", "mpls_echo.tlv.dd_map.res",
FT_UINT8, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map DS Flags", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_flag_res,
{ "MBZ", "mpls_echo.tlv.dd_map.flag_res",
FT_UINT8, BASE_HEX, NULL, 0xFC, "MPLS ECHO TLV Detailed Downstream Map Reserved Flags", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_flag_i,
{ "Interface and Label Stack Request", "mpls_echo.tlv.dd_map.flag_i",
FT_BOOLEAN, 8, NULL, 0x02, "MPLS ECHO TLV Detailed Downstream Map I-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_flag_n,
{ "Treat as Non-IP Packet", "mpls_echo.tlv.dd_map.flag_n",
FT_BOOLEAN, 8, NULL, 0x01, "MPLS ECHO TLV Detailed Downstream Map N-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_ds_ip,
{ "Downstream IP Address", "mpls_echo.tlv.dd_map.ds_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_int_ip,
{ "Downstream Interface Address", "mpls_echo.tlv.dd_map.int_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_ds_ipv6,
{ "Downstream IPv6 Address", "mpls_echo.tlv.dd_map.ds_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_int_ipv6,
{ "Downstream Interface IPv6 Address", "mpls_echo.tlv.dd_map.int_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Interface IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_return_code,
{ "Return Code", "mpls_echo.tlv.dd_map.return_code",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Return Code", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_return_subcode,
{ "Return Subcode", "mpls_echo.tlv.dd_map.return_subcode",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Return Subcode", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_ingress_if_num,
{ "Ingress Interface Number", "mpls_echo.tlv.dd_map.ingress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV Detailed DownStream Map Ingress Interface Number", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_egress_if_num,
{ "Egress Interface Number", "mpls_echo.tlv.dd_map.egress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV Detailed DownStream Map Egress Interface Number", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_subtlv_len,
{ "Subtlv Length", "mpls_echo.tlv.dd_map.subtlv_len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Subtlv Length", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_type,
{ "Multipath Type", "mpls_echo.subtlv.dd_map.multipath_type",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Multipath Type", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_length,
{ "Multipath Length", "mpls_echo.subtlv.dd_map.multipath_length",
FT_UINT16, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Multipath Length", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_value,
{ "Multipath Value", "mpls_echo.subtlv.dd_map.multipath_value",
FT_BYTES, BASE_NONE, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Multipath Value", HFILL}
},
{ &hf_mpls_echo_sub_tlv_resv,
{ "Reserved", "mpls_echo.subtlv.dd_map.reserved",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Reserved Bits", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_info,
{ "Multipath Information", "mpls_echo.subtlv.dd_map.multipath_info",
FT_BYTES, BASE_NONE, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Value", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_ddstlv_map_mp_label,
{ "Downstream Label", "mpls_echo.tlv.ddstlv_map.mp_label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV Detailed Downstream Map Downstream Label", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_ddstlv_map_mp_proto,
{ "Downstream Protocol", "mpls_echo.tlv.ddstlv_map.mp_proto",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_ds_map_mp_proto), 0x0,
"MPLS ECHO TLV Detailed Downstream Map Downstream Protocol", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_ddstlv_map_mp_exp,
{ "Downstream Experimental", "mpls_echo.tlv.ddstlv_map.mp_exp",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Downstream Experimental", HFILL}
},
#endif
#if 0
{ &hf_mpls_echo_tlv_ddstlv_map_mp_bos,
{ "Downstream BOS", "mpls_echo.tlv.ddstlv_map.mp_bos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Downstream BOS", HFILL}
},
#endif
{ &hf_mpls_echo_sub_tlv_multipath_ip,
{ "IP Address", "mpls_echo.tlv.ddstlv_map_mp.ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_mp_ip_low,
{ "IP Address Low", "mpls_echo.tlv.ddstlv_map_mp.ip_low",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath Low IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_mp_ip_high,
{ "IP Address High", "mpls_echo.tlv.ddstlv_map_mp.ip_high",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath High IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_mp_mask,
{ "Mask", "mpls_echo.tlv.ddstlv_map_mp.mask",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath Mask", HFILL}
},
{ &hf_mpls_echo_sub_tlv_op_type,
{ "Operation Type", "mpls_echo.tlv.ddstlv_map.op_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_subtlv_op_types), 0x0,
"MPLS ECHO TLV Detailed Downstream Map Stack Change Operation Type", HFILL}
},
{ &hf_mpls_echo_sub_tlv_addr_type,
{ "Address Type", "mpls_echo.tlv.ddstlv_map.address_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_subtlv_addr_types), 0x0,
"MPLS ECHO TLV Detailed Downstream Map Stack Change Address Type", HFILL}
},
{ &hf_mpls_echo_sub_tlv_fec_tlv_value,
{ "FEC tlv Length", "mpls_echo.subtlv.dd_map.fec_tlv_type",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Map FEC TLV Length", HFILL}
},
{ &hf_mpls_echo_sub_tlv_label,
{ "Label", "mpls_echo.subtlv.label",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_traffic_class,
{ "Traffic Class", "mpls_echo.subtlv.traffic_class",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_s_bit,
{ "S bit", "mpls_echo.subtlv.s_bit",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_res,
{ "Reserved", "mpls_echo.subtlv.dd_map.reserved",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Map FEC Stack Change Reserved Bits", HFILL}
},
{ &hf_mpls_echo_sub_tlv_remote_peer_unspecified,
{ "Unspecified (Address Length = 0)", "mpls_echo.tlv.dd_map.unspecified",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_remote_peer_ip,
{ "Remote Peer IP Address", "mpls_echo.tlv.dd_map.remote_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "Detailed Downstream Map FEC Stack Change Remote Peer IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_remore_peer_ipv6,
{ "Remote Peer IPv6 Address", "mpls_echo.tlv.dd_map.remote_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "Detailed Downstream Map FEC Stack Change Remote Peer IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_type,
{ "Sub-TLV Type", "mpls_echo.subtlv.dd_map.type",
FT_UINT16, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Type", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_length,
{ "Sub-TLV Length", "mpls_echo.subtlv.dd_map.length",
FT_UINT16, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Length", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_value,
{ "Sub-TLV Value", "mpls_echo.subtlv.dd_map.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "Detailed Downstream Mapping TLV Value", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_p2mp_id,
{ "P2MP ID", "mpls_echo.tlv.fec.rsvp_p2mp_ipv4_id",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_p2mp_ip_mbz1",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id,
{ "Tunnel ID", "mpls_echo.tlv.fec.rsvp_p2mp_ip_tun_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_p2mp_ipv4_ext_tun_id",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv4 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ipv4_sender,
{ "IPv4 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_p2mp_ipv4_sender",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv4 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz2,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_p2mp_ip_mbz2",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id,
{ "LSP ID", "mpls_echo.tlv.fec.rsvp_p2mp_ip_lsp_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP LSP ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_p2mp_id,
{ "P2MP IPv6 Tunnel ID address", "mpls_echo.tlv.fec.rsvp_p2mp_ipv6_id",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv6 ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_p2mp_ipv6_ext_tun_id",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv6 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ipv6_sender,
{ "P2MP IPv6 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_p2mp_ipv6_sender",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv6 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_responder_indent_type,
{ "Target Type", "mpls_echo.tlv.resp_id.type",
FT_UINT16, BASE_DEC, VALS(mpls_echo_tlv_responder_ident_sub_tlv_type), 0x0, "P2MP Responder ID TLV", HFILL}
},
{ &hf_mpls_echo_tlv_responder_indent_len,
{ "Length", "mpls_echo.tlv.resp_id.length",
FT_UINT16, BASE_DEC, NULL, 0x0, "P2MP Responder ID TLV LENGTH", HFILL}
},
{ &hf_mpls_echo_tlv_responder_indent_ipv4,
{ "Target IPv4 Address", "mpls_echo.tlv.resp_id.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "P2MP Responder ID TLV IPv4 Address", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_responder_indent_ipv6,
{ "Target IPv6 Address", "mpls_echo.tlv.resp_id.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "P2MP Responder ID TLV IPv6 Address", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_echo_jitter,
{ "Echo Jitter time", "mpls_echo.tlv.echo_jitter",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO Jitter time", HFILL}
},
{ &hf_mpls_echo_tlv_bfd,
{ "BFD Discriminator", "mpls_echo.bfd_discriminator",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO BFD Discriminator", HFILL}
},
};
static gint *ett[] = {
&ett_mpls_echo,
&ett_mpls_echo_gflags,
&ett_mpls_echo_tlv,
&ett_mpls_echo_tlv_fec,
&ett_mpls_echo_tlv_ds_map,
&ett_mpls_echo_tlv_ilso,
&ett_mpls_echo_tlv_dd_map,
&ett_mpls_echo_tlv_ddstlv_map
};
static ei_register_info ei[] = {
{ &ei_mpls_echo_tlv_fec_len, { "mpls_echo.tlv.fec.len.invalid", PI_MALFORMED, PI_ERROR, "Invalid FEC TLV length", EXPFILL }},
{ &ei_mpls_echo_tlv_dd_map_subtlv_len, { "mpls_echo.tlv.dd_map.subtlv_len.invalid", PI_MALFORMED, PI_ERROR, "Invalid Sub-TLV length", EXPFILL }},
{ &ei_mpls_echo_tlv_len, { "mpls_echo.tlv.len.invalid", PI_MALFORMED, PI_ERROR, "Invalid TLV length", EXPFILL }},
{ &ei_mpls_echo_tlv_ds_map_muti_len, { "mpls_echo.tlv.ds_map.multi_len.invalid", PI_MALFORMED, PI_ERROR, "Invalid Multipath TLV length", EXPFILL }},
{ &ei_mpls_echo_unknown_address_type, { "mpls_echo.address_type.unknown", PI_UNDECODED, PI_WARN, "Unknown Address Type", EXPFILL }},
{ &ei_mpls_echo_incorrect_address_type, { "mpls_echo.address_type.incorrect", PI_PROTOCOL, PI_WARN, "Incorrect address type for TLV?", EXPFILL }},
{ &ei_mpls_echo_malformed, { "mpls_echo.malformed", PI_MALFORMED, PI_ERROR, "Malformed MPLS message", EXPFILL }},
};
expert_module_t* expert_mpls_echo;
proto_mpls_echo = proto_register_protocol("Multiprotocol Label Switching Echo", "MPLS Echo", "mpls-echo");
proto_register_field_array(proto_mpls_echo, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_mpls_echo = expert_register_protocol(proto_mpls_echo);
expert_register_field_array(expert_mpls_echo, ei, array_length(ei));
mpls_echo_handle = register_dissector("mpls-echo", dissect_mpls_echo, proto_mpls_echo);
}
void
proto_reg_handoff_mpls_echo(void)
{
dissector_add_uint_with_preference("udp.port", UDP_PORT_MPLS_ECHO, mpls_echo_handle);
dissector_add_uint("pwach.channel_type", PW_ACH_TYPE_ONDEMAND_CV, mpls_echo_handle);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
|
