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/epan/dissectors/packet-gtp.c

https://github.com/labx-technologies-llc/wireshark
C | 9445 lines | 7201 code | 1112 blank | 1132 comment | 318 complexity | f1cd73c8f2c7cc48f57bd0e3f69b39be MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause

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  1. /* packet-gtp.c
    2. 

  2.  *
    3. 

  3.  * $Id$
    4. 

  4.  *
    5. 

  5.  * Routines for GTP dissection
    6. 

  6.  * Copyright 2001, Michal Melerowicz <michal.melerowicz@nokia.com>
    7. 

  7.  *                 Nicolas Balkota <balkota@mac.com>
    8. 

  8.  *
    9. 

  9.  * Updates and corrections:
    10. 

  10.  * Copyright 2006 - 2009, Anders Broman <anders.broman@ericsson.com>
    11. 

  11.  *
    12. 

  12.  * Added Bearer control mode dissection:
    13. 

  13.  * Copyright 2011, Grzegorz Szczytowski <grzegorz.szczytowski@gmail.com>
    14. 

  14.  *
    15. 

  15.  * Updates and corrections:
    16. 

  16.  * Copyright 2011-2013, Anders Broman <anders.broman@ericsson.com>
    17. 

  17.  *
    18. 

  18.  * PDCP PDU number extension header support added by Martin Isaksson <martin.isaksson@ericsson.com>
    19. 

  19.  *
    20. 

  20.  * Control Plane Request-Response tracking code Largely based on similar routines in
    21. 

  21.  * packet-ldap.c by Ronnie Sahlberg
    22. 

  22.  * Added by Kari Tiirikainen <kari.tiirikainen@nsn.com>
    23. 

  23.  *
    24. 

  24.  * Wireshark - Network traffic analyzer
    25. 

  25.  * By Gerald Combs <gerald@wireshark.org>
    26. 

  26.  * Copyright 1998 Gerald Combs
    27. 

  27.  *
    28. 

  28.  * This program is free software; you can redistribute it and/or
    29. 

  29.  * modify it under the terms of the GNU General Public License
    30. 

  30.  * as published by the Free Software Foundation; either version 2
    31. 

  31.  * of the License, or (at your option) any later version.
    32. 

  32.  *
    33. 

  33.  * This program is distributed in the hope that it will be useful,
    34. 

  34.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    35. 

  35.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    36. 

  36.  * GNU General Public License for more details.
    37. 

  37.  *
    38. 

  38.  * You should have received a copy of the GNU General Public License
    39. 

  39.  * along with this program; if not, write to the Free Software
    40. 

  40.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    41. 

  41.  *
    42. 

  42.  * GTP v0: 3GPP TS 09.60
    43. 

  43.  *
    44. 

  44.  *	http://www.3gpp.org/ftp/Specs/html-info/0960.htm
    45. 

  45.  *
    46. 

  46.  * GTP v1: 3GPP TS 29.060
    47. 

  47.  *
    48. 

  48.  *	http://www.3gpp.org/ftp/Specs/html-info/29060.htm
    49. 

  49.  *
    50. 

  50.  * GTP': 3GPP TS 32.295
    51. 

  51.  *
    52. 

  52.  *	http://www.3gpp.org/ftp/Specs/html-info/32295.htm
    53. 

  53.  */
    54. 

  54. 

  55. #include "config.h"
    56. 

  56. 

  57. #include <epan/conversation.h>
    58. 

  58. #include <epan/packet.h>
    59. 

  59. #include <epan/prefs.h>
    60. 

  60. #include <epan/expert.h>
    61. 

  61. #include <epan/sminmpec.h>
    62. 

  62. #include <epan/asn1.h>
    63. 

  63. #include <epan/tap.h>
    64. 

  64. #include "packet-ppp.h"
    65. 

  65. #include "packet-radius.h"
    66. 

  66. #include "packet-bssap.h"
    67. 

  67. #include "packet-gsm_a_common.h"
    68. 

  68. #include "packet-gsm_map.h"
    69. 

  69. #include "packet-gprscdr.h"
    70. 

  70. #include "packet-per.h"
    71. 

  71. #include "packet-ranap.h"
    72. 

  72. #include "packet-bssgp.h"
    73. 

  73. #include "packet-e212.h"
    74. 

  74. #include "packet-gtp.h"
    75. 

  75. 

  76. static dissector_table_t ppp_subdissector_table;
    77. 

  77. static dissector_table_t gtp_priv_ext_dissector_table;
    78. 

  78. static dissector_table_t gtp_cdr_fmt_dissector_table;
    79. 

  79. 

  80. #define GTPv0_PORT  3386
    81. 

  81. #define GTPv1C_PORT 2123    /* 3G Control PDU */
    82. 

  82. #define GTPv1U_PORT 2152    /* 3G T-PDU */
    83. 

  83. 

  84. #define GTPv0_HDR_LENGTH     20
    85. 

  85. #define GTPv1_HDR_LENGTH     12
    86. 

  86. #define GTP_PRIME_HDR_LENGTH  6
    87. 

  87. 

  88. /* to check compliance with ETSI  */
    89. 

  89. #define GTP_MANDATORY   1
    90. 

  90. #define GTP_OPTIONAL    2
    91. 

  91. #define GTP_CONDITIONAL 4
    92. 

  92. 

  93. #define GTP_TPDU_AS_NONE -1
    94. 

  94. #define GTP_TPDU_AS_TPDU 0
    95. 

  95. #define GTP_TPDU_AS_SYNC 2
    96. 

  96. 

  97. static gboolean g_gtp_over_tcp = TRUE;
    98. 

  98. 

  99. static guint g_gtpv0_port  = GTPv0_PORT;
    100. 

  100. static guint g_gtpv1c_port = GTPv1C_PORT;
    101. 

  101. static guint g_gtpv1u_port = GTPv1U_PORT;
    102. 

  102. 

  103. void proto_reg_handoff_gtp(void);
    104. 

  104. 

  105. static int proto_gtp = -1;
    106. 

  106. 

  107. /*KTi*/
    108. 

  108. static int hf_gtp_ie_id = -1;
    109. 

  109. static int hf_gtp_response_in = -1;
    110. 

  110. static int hf_gtp_response_to = -1;
    111. 

  111. static int hf_gtp_time = -1;
    112. 

  112. static int hf_gtp_apn = -1;
    113. 

  113. static int hf_gtp_cause = -1;
    114. 

  114. static int hf_gtp_chrg_char = -1;
    115. 

  115. static int hf_gtp_chrg_char_s = -1;
    116. 

  116. static int hf_gtp_chrg_char_n = -1;
    117. 

  117. static int hf_gtp_chrg_char_p = -1;
    118. 

  118. static int hf_gtp_chrg_char_f = -1;
    119. 

  119. static int hf_gtp_chrg_char_h = -1;
    120. 

  120. static int hf_gtp_chrg_char_r = -1;
    121. 

  121. static int hf_gtp_chrg_id = -1;
    122. 

  122. static int hf_gtp_chrg_ipv4 = -1;
    123. 

  123. static int hf_gtp_chrg_ipv6 = -1;
    124. 

  124. static int hf_gtp_ext_flow_label = -1;
    125. 

  125. static int hf_gtp_ext_id = -1;
    126. 

  126. static int hf_gtp_ext_val = -1;
    127. 

  127. static int hf_gtp_ext_hdr = -1;
    128. 

  128. static int hf_gtp_ext_hdr_next = -1;
    129. 

  129. static int hf_gtp_ext_hdr_length = -1;
    130. 

  130. static int hf_gtp_ext_hdr_pdcpsn = -1;
    131. 

  131. static int hf_gtp_ext_hdr_udp_port = -1;
    132. 

  132. static int hf_gtp_flags = -1;
    133. 

  133. static int hf_gtp_flags_ver = -1;
    134. 

  134. static int hf_gtp_prime_flags_ver = -1;
    135. 

  135. static int hf_gtp_flags_pt = -1;
    136. 

  136. static int hf_gtp_flags_spare1 = -1;
    137. 

  137. static int hf_gtp_flags_hdr_length = -1;
    138. 

  138. static int hf_gtp_flags_snn = -1;
    139. 

  139. static int hf_gtp_flags_spare2 = -1;
    140. 

  140. static int hf_gtp_flags_e = -1;
    141. 

  141. static int hf_gtp_flags_s = -1;
    142. 

  142. static int hf_gtp_flags_pn = -1;
    143. 

  143. static int hf_gtp_flow_ii = -1;
    144. 

  144. static int hf_gtp_flow_label = -1;
    145. 

  145. static int hf_gtp_flow_sig = -1;
    146. 

  146. static int hf_gtp_gsn_addr_len = -1;
    147. 

  147. static int hf_gtp_gsn_addr_type = -1;
    148. 

  148. static int hf_gtp_gsn_ipv4 = -1;
    149. 

  149. static int hf_gtp_gsn_ipv6 = -1;
    150. 

  150. static int hf_gtp_imsi = -1;
    151. 

  151. static int hf_gtp_length = -1;
    152. 

  152. static int hf_gtp_map_cause = -1;
    153. 

  153. static int hf_gtp_message_type = -1;
    154. 

  154. static int hf_gtp_ms_reason = -1;
    155. 

  155. static int hf_gtp_ms_valid = -1;
    156. 

  156. static int hf_gtp_npdu_number = -1;
    157. 

  157. static int hf_gtp_node_ipv4 = -1;
    158. 

  158. static int hf_gtp_node_ipv6 = -1;
    159. 

  159. static int hf_gtp_nsapi = -1;
    160. 

  160. static int hf_gtp_ptmsi = -1;
    161. 

  161. static int hf_gtp_ptmsi_sig = -1;
    162. 

  162. static int hf_gtp_qos_version = -1;
    163. 

  163. static int hf_gtp_qos_spare1 = -1;
    164. 

  164. static int hf_gtp_qos_delay = -1;
    165. 

  165. static int hf_gtp_qos_mean = -1;
    166. 

  166. static int hf_gtp_qos_peak = -1;
    167. 

  167. static int hf_gtp_qos_spare2 = -1;
    168. 

  168. static int hf_gtp_qos_precedence = -1;
    169. 

  169. static int hf_gtp_qos_spare3 = -1;
    170. 

  170. static int hf_gtp_qos_reliability = -1;
    171. 

  171. static int hf_gtp_qos_al_ret_priority = -1;
    172. 

  172. static int hf_gtp_qos_traf_class = -1;
    173. 

  173. static int hf_gtp_qos_del_order = -1;
    174. 

  174. static int hf_gtp_qos_del_err_sdu = -1;
    175. 

  175. static int hf_gtp_qos_max_sdu_size = -1;
    176. 

  176. static int hf_gtp_qos_max_ul = -1;
    177. 

  177. static int hf_gtp_qos_max_dl = -1;
    178. 

  178. static int hf_gtp_qos_res_ber = -1;
    179. 

  179. static int hf_gtp_qos_sdu_err_ratio = -1;
    180. 

  180. static int hf_gtp_qos_trans_delay = -1;
    181. 

  181. static int hf_gtp_qos_traf_handl_prio = -1;
    182. 

  182. static int hf_gtp_qos_guar_ul = -1;
    183. 

  183. static int hf_gtp_qos_guar_dl = -1;
    184. 

  184. static int hf_gtp_qos_src_stat_desc = -1;
    185. 

  185. static int hf_gtp_qos_sig_ind = -1;
    186. 

  186. static int hf_gtp_qos_arp_pvi = -1;
    187. 

  187. static int hf_gtp_qos_arp_pl = -1;
    188. 

  188. static int hf_gtp_qos_arp_pci = -1;
    189. 

  189. static int hf_gtp_qos_qci = -1;
    190. 

  190. static int hf_gtp_qos_ul_mbr = -1;
    191. 

  191. static int hf_gtp_qos_dl_mbr = -1;
    192. 

  192. static int hf_gtp_qos_ul_gbr = -1;
    193. 

  193. static int hf_gtp_qos_dl_gbr = -1;
    194. 

  194. static int hf_gtp_qos_ul_apn_ambr = -1;
    195. 

  195. static int hf_gtp_qos_dl_apn_ambr = -1;
    196. 

  196. static int hf_gtp_pkt_flow_id = -1;
    197. 

  197. static int hf_gtp_rab_gtpu_dn = -1;
    198. 

  198. static int hf_gtp_rab_gtpu_up = -1;
    199. 

  199. static int hf_gtp_rab_pdu_dn = -1;
    200. 

  200. static int hf_gtp_rab_pdu_up = -1;
    201. 

  201. static int hf_gtp_rai_rac = -1;
    202. 

  202. static int hf_gtp_rai_lac = -1;
    203. 

  203. static int hf_gtp_tac = -1;
    204. 

  204. static int hf_gtp_eci = -1;
    205. 

  205. static int hf_gtp_ranap_cause = -1;
    206. 

  206. static int hf_gtp_recovery = -1;
    207. 

  207. static int hf_gtp_reorder = -1;
    208. 

  208. static int hf_gtp_rnc_ipv4 = -1;
    209. 

  209. static int hf_gtp_rnc_ipv6 = -1;
    210. 

  210. static int hf_gtp_rp = -1;
    211. 

  211. static int hf_gtp_rp_nsapi = -1;
    212. 

  212. static int hf_gtp_rp_sms = -1;
    213. 

  213. static int hf_gtp_rp_spare = -1;
    214. 

  214. static int hf_gtp_sel_mode = -1;
    215. 

  215. static int hf_gtp_seq_number = -1;
    216. 

  216. static int hf_gtp_sndcp_number = -1;
    217. 

  217. static int hf_gtp_tear_ind = -1;
    218. 

  218. static int hf_gtp_teid = -1;
    219. 

  219. static int hf_gtp_teid_cp = -1;
    220. 

  220. static int hf_gtp_ulink_teid_cp = -1;
    221. 

  221. static int hf_gtp_teid_data = -1;
    222. 

  222. static int hf_gtp_ulink_teid_data = -1;
    223. 

  223. static int hf_gtp_teid_ii = -1;
    224. 

  224. static int hf_gtp_tft_code = -1;
    225. 

  225. static int hf_gtp_tft_spare = -1;
    226. 

  226. static int hf_gtp_tft_number = -1;
    227. 

  227. static int hf_gtp_tft_eval = -1;
    228. 

  228. static int hf_gtp_tid = -1;
    229. 

  229. static int hf_gtp_tlli = -1;
    230. 

  230. static int hf_gtp_tr_comm = -1;
    231. 

  231. static int hf_gtp_trace_ref = -1;
    232. 

  232. static int hf_gtp_trace_type = -1;
    233. 

  233. static int hf_gtp_user_addr_pdp_org = -1;
    234. 

  234. static int hf_gtp_user_addr_pdp_type = -1;
    235. 

  235. static int hf_gtp_user_ipv4 = -1;
    236. 

  236. static int hf_gtp_user_ipv6 = -1;
    237. 

  237. static int hf_gtp_security_mode = -1;
    238. 

  238. static int hf_gtp_no_of_vectors = -1;
    239. 

  239. static int hf_gtp_cipher_algorithm = -1;
    240. 

  240. static int hf_gtp_cksn_ksi = -1;
    241. 

  241. static int hf_gtp_cksn = -1;
    242. 

  242. static int hf_gtp_ksi = -1;
    243. 

  243. static int hf_gtp_ext_length = -1;
    244. 

  244. static int hf_gtp_utran_field = -1;
    245. 

  245. static int hf_gtp_ext_apn_res = -1;
    246. 

  246. static int hf_gtp_ext_rat_type = -1;
    247. 

  247. static int hf_gtp_ext_geo_loc_type = -1;
    248. 

  248. static int hf_gtp_ext_sac = -1;
    249. 

  249. static int hf_gtp_ext_imeisv = -1;
    250. 

  250. static int hf_gtp_target_rnc_id = -1;
    251. 

  251. static int hf_gtp_target_ext_rnc_id = -1;
    252. 

  252. static int hf_gtp_bssgp_cause = -1;
    253. 

  253. static int hf_gtp_bssgp_ra_discriminator = -1;
    254. 

  254. static int hf_gtp_sapi = -1;
    255. 

  255. static int hf_gtp_xid_par_len = -1;
    256. 

  256. static int hf_gtp_earp_pvi = -1;
    257. 

  257. static int hf_gtp_earp_pl = -1;
    258. 

  258. static int hf_gtp_earp_pci = -1;
    259. 

  259. static int hf_gtp_cdr_app = -1;
    260. 

  260. static int hf_gtp_cdr_rel = -1;
    261. 

  261. static int hf_gtp_cdr_ver = -1;
    262. 

  262. static int hf_gtp_cmn_flg_ppc = -1;
    263. 

  263. static int hf_gtp_cmn_flg_mbs_srv_type = -1;
    264. 

  264. static int hf_gtp_cmn_flg_mbs_ran_pcd_rdy = -1;
    265. 

  265. static int hf_gtp_cmn_flg_mbs_cnt_inf = -1;
    266. 

  266. static int hf_gtp_cmn_flg_nrsn = -1;
    267. 

  267. static int hf_gtp_cmn_flg_no_qos_neg = -1;
    268. 

  268. static int hf_gtp_cmn_flg_upgrd_qos_sup = -1;
    269. 

  269. static int hf_gtp_cmn_flg_dual_addr_bearer_flg = -1;
    270. 

  270. static int hf_gtp_tmgi = -1;
    271. 

  271. static int hf_gtp_mbms_ses_dur_days = -1;
    272. 

  272. static int hf_gtp_mbms_ses_dur_s = -1;
    273. 

  273. static int hf_gtp_no_of_mbms_sa_codes = -1;
    274. 

  274. static int hf_gtp_mbms_sa_code = -1;
    275. 

  275. static int hf_gtp_mbs_2g_3g_ind = -1;
    276. 

  276. static int hf_gtp_time_2_dta_tr = -1;
    277. 

  277. static int hf_gtp_ext_ei = -1;
    278. 

  278. static int hf_gtp_ext_gcsi = -1;
    279. 

  279. static int hf_gtp_ext_dti = -1;
    280. 

  280. static int hf_gtp_ra_prio_lcs = -1;
    281. 

  281. static int hf_gtp_bcm = -1;
    282. 

  282. static int hf_gtp_fqdn = -1;
    283. 

  283. static int hf_gtp_rim_routing_addr = -1;
    284. 

  284. static int hf_gtp_mbms_flow_id = -1;
    285. 

  285. static int hf_gtp_mbms_dist_indic = -1;
    286. 

  286. static int hf_gtp_ext_apn_ambr_ul = -1;
    287. 

  287. static int hf_gtp_ext_apn_ambr_dl = -1;
    288. 

  288. static int hf_gtp_ext_sub_ue_ambr_ul = -1;
    289. 

  289. static int hf_gtp_ext_sub_ue_ambr_dl = -1;
    290. 

  290. static int hf_gtp_ext_auth_ue_ambr_ul = -1;
    291. 

  291. static int hf_gtp_ext_auth_ue_ambr_dl = -1;
    292. 

  292. static int hf_gtp_ext_auth_apn_ambr_ul = -1;
    293. 

  293. static int hf_gtp_ext_auth_apn_ambr_dl = -1;
    294. 

  294. static int hf_gtp_ext_ggsn_back_off_time_units = -1;
    295. 

  295. static int hf_gtp_ext_ggsn_back_off_timer = -1;
    296. 

  296. static int hf_gtp_higher_br_16mb_flg = -1;
    297. 

  297. static int hf_gtp_max_mbr_apn_ambr_ul = -1;
    298. 

  298. static int hf_gtp_max_mbr_apn_ambr_dl = -1;
    299. 

  299. 

  300. /* Initialize the subtree pointers */
    301. 

  301. static gint ett_gtp = -1;
    302. 

  302. static gint ett_gtp_flags = -1;
    303. 

  303. static gint ett_gtp_ext = -1;
    304. 

  304. static gint ett_gtp_ext_hdr = -1;
    305. 

  305. static gint ett_gtp_qos = -1;
    306. 

  306. static gint ett_gtp_qos_arp = -1;
    307. 

  307. static gint ett_gtp_flow_ii = -1;
    308. 

  308. static gint ett_gtp_rp = -1;
    309. 

  309. static gint ett_gtp_pkt_flow_id = -1;
    310. 

  310. static gint ett_gtp_trip = -1;
    311. 

  311. static gint ett_gtp_quint = -1;
    312. 

  312. static gint ett_gtp_proto = -1;
    313. 

  313. static gint ett_gtp_gsn_addr = -1;
    314. 

  314. static gint ett_gtp_tft = -1;
    315. 

  315. static gint ett_gtp_tft_pf = -1;
    316. 

  316. static gint ett_gtp_tft_flags = -1;
    317. 

  317. static gint ett_gtp_rab_setup = -1;
    318. 

  318. static gint ett_gtp_hdr_list = -1;
    319. 

  319. static gint ett_gtp_node_addr = -1;
    320. 

  320. static gint ett_gtp_rel_pack = -1;
    321. 

  321. static gint ett_gtp_can_pack = -1;
    322. 

  322. static gint ett_gtp_data_resp = -1;
    323. 

  323. static gint ett_gtp_net_cap = -1;
    324. 

  324. static gint ett_gtp_tmgi = -1;
    325. 

  325. static gint ett_gtp_cdr_ver = -1;
    326. 

  326. static gint ett_gtp_cdr_dr = -1;
    327. 

  327. static gint ett_gtp_uli_rai = -1;
    328. 

  328. 

  329. static gboolean g_gtp_etsi_order = FALSE;
    330. 

  330. 

  331. static gint dissect_tpdu_as = -1;
    332. 

  332. static const enum_val_t gtp_decode_tpdu_as[] = {
    333. 

  333. 	{"none", "None",   GTP_TPDU_AS_NONE},
    334. 

  334. 	{"tpdu", "TPDU",   GTP_TPDU_AS_TPDU},
    335. 

  335. 	{"sync", "SYNC",   GTP_TPDU_AS_SYNC},
    336. 

  336. 	{NULL, NULL, 0}
    337. 

  337. };
    338. 

  338. 

  339. 

  340. static int gtp_tap = -1;
    341. 

  341. static int gtpv1_tap = -1;
    342. 

  342. 

  343. /* Definition of flags masks */
    344. 

  344. #define GTP_VER_MASK 0xE0
    345. 

  345. 

  346. static const true_false_string gtp_hdr_length_vals = {
    347. 

  347.     "6-Octet Header",
    348. 

  348.     "20-Octet Header"
    349. 

  349. };
    350. 

  350. 

  351. static const value_string ver_types[] = {
    352. 

  352.     {0, "GTP release 97/98 version"},
    353. 

  353.     {1, "GTP release 99 version"},
    354. 

  354.     {2, "GTPv2-C"},
    355. 

  355.     {3, "None"},
    356. 

  356.     {4, "None"},
    357. 

  357.     {5, "None"},
    358. 

  358.     {6, "None"},
    359. 

  359.     {7, "None"},
    360. 

  360.     {0, NULL}
    361. 

  361. };
    362. 

  362. 

  363. static const value_string pt_types[] = {
    364. 

  364.     {0, "GTP'"},
    365. 

  365.     {1, "GTP"},
    366. 

  366.     {0, NULL}
    367. 

  367. };
    368. 

  368. 

  369. #define GTP_PT_MASK         0x10
    370. 

  370. #define GTP_SPARE1_MASK     0x0E
    371. 

  371. #define GTP_SPARE2_MASK     0x08
    372. 

  372. #define GTP_E_MASK          0x04
    373. 

  373. #define GTP_S_MASK          0x02
    374. 

  374. #define GTP_SNN_MASK        0x01
    375. 

  375. #define GTP_PN_MASK         0x01
    376. 

  376. 

  377. #define GTP_EXT_HDR_NO_MORE_EXT_HDRS         0x00
    378. 

  378. #define GTP_EXT_HDR_MBMS_SUPPORT_IND         0x01
    379. 

  379. #define GTP_EXT_HDR_MS_INFO_CHG_REP_SUPP_IND 0x02
    380. 

  380. #define GTP_EXT_HDR_UDP_PORT                 0x40
    381. 

  381. #define GTP_EXT_HDR_PDCP_SN                  0xC0
    382. 

  382. #define GTP_EXT_HDR_SUSPEND_REQ              0xC1
    383. 

  383. #define GTP_EXT_HDR_SUSPEND_RESP             0xC2
    384. 

  384. 

  385. static const value_string next_extension_header_fieldvals[] = {
    386. 

  386.     {GTP_EXT_HDR_NO_MORE_EXT_HDRS, "No more extension headers"},
    387. 

  387.     {GTP_EXT_HDR_MBMS_SUPPORT_IND, "MBMS support indication"},
    388. 

  388.     {GTP_EXT_HDR_MS_INFO_CHG_REP_SUPP_IND, "MS Info Change Reporting support indication"},
    389. 

  389.     {GTP_EXT_HDR_UDP_PORT, "UDP Port number"},
    390. 

  390.     {GTP_EXT_HDR_PDCP_SN, "PDCP PDU number"},
    391. 

  391.     {GTP_EXT_HDR_SUSPEND_REQ, "Suspend Request"},
    392. 

  392.     {GTP_EXT_HDR_SUSPEND_RESP, "Suspend Response"},
    393. 

  393.     {0, NULL}
    394. 

  394. };
    395. 

  395. 

  396. /* Definition of 3G charging characteristics masks */
    397. 

  397. #define GTP_MASK_CHRG_CHAR_S    0xF000
    398. 

  398. #define GTP_MASK_CHRG_CHAR_N    0x0800
    399. 

  399. #define GTP_MASK_CHRG_CHAR_P    0x0400
    400. 

  400. #define GTP_MASK_CHRG_CHAR_F    0x0200
    401. 

  401. #define GTP_MASK_CHRG_CHAR_H    0x0100
    402. 

  402. #define GTP_MASK_CHRG_CHAR_R    0x00FF
    403. 

  403. 

  404. /* Traffic Flow Templates  mask */
    405. 

  405. #define GTPv1_TFT_CODE_MASK 0xE0
    406. 

  406. #define GTPv1_TFT_SPARE_MASK    0x10
    407. 

  407. #define GTPv1_TFT_NUMBER_MASK   0x0F
    408. 

  408. 

  409. /* Definition of GSN Address masks */
    410. 

  410. #define GTP_EXT_GSN_ADDR_TYPE_MASK      0xC0
    411. 

  411. #define GTP_EXT_GSN_ADDR_LEN_MASK       0x3F
    412. 

  412. 

  413. /* Definition of QoS masks */
    414. 

  414. #define GTP_EXT_QOS_SPARE1_MASK                 0xC0
    415. 

  415. #define GTP_EXT_QOS_DELAY_MASK                  0x38
    416. 

  416. #define GTP_EXT_QOS_RELIABILITY_MASK            0x07
    417. 

  417. #define GTP_EXT_QOS_PEAK_MASK                   0xF0
    418. 

  418. #define GTP_EXT_QOS_SPARE2_MASK                 0x08
    419. 

  419. #define GTP_EXT_QOS_PRECEDENCE_MASK             0x07
    420. 

  420. #define GTP_EXT_QOS_SPARE3_MASK                 0xE0
    421. 

  421. #define GTP_EXT_QOS_MEAN_MASK                   0x1F
    422. 

  422. #define GTP_EXT_QOS_TRAF_CLASS_MASK             0xE0
    423. 

  423. #define GTP_EXT_QOS_DEL_ORDER_MASK              0x18
    424. 

  424. #define GTP_EXT_QOS_DEL_ERR_SDU_MASK            0x07
    425. 

  425. #define GTP_EXT_QOS_RES_BER_MASK                0xF0
    426. 

  426. #define GTP_EXT_QOS_SDU_ERR_RATIO_MASK          0x0F
    427. 

  427. #define GTP_EXT_QOS_TRANS_DELAY_MASK            0xFC
    428. 

  428. #define GTP_EXT_QOS_TRAF_HANDL_PRIORITY_MASK    0x03
    429. 

  429. #define GTP_EXT_QOS_SRC_STAT_DESC_MASK          0x0F
    430. 

  430. #define GTP_EXT_QOS_SIG_IND_MASK                0x10
    431. 

  431. 

  432. /* Definition of Radio Priority's masks */
    433. 

  433. #define GTPv1_EXT_RP_NSAPI_MASK         0xF0
    434. 

  434. #define GTPv1_EXT_RP_SPARE_MASK         0x08
    435. 

  435. #define GTPv1_EXT_RP_MASK               0x07
    436. 

  436. 

  437. static const value_string gtp_message_type[] = {
    438. 

  438.     {GTP_MSG_UNKNOWN,             "For future use"},
    439. 

  439.     {GTP_MSG_ECHO_REQ,            "Echo request"},
    440. 

  440.     {GTP_MSG_ECHO_RESP,           "Echo response"},
    441. 

  441.     {GTP_MSG_VER_NOT_SUPP,        "Version not supported"},
    442. 

  442.     {GTP_MSG_NODE_ALIVE_REQ,      "Node alive request"},
    443. 

  443.     {GTP_MSG_NODE_ALIVE_RESP,     "Node alive response"},
    444. 

  444.     {GTP_MSG_REDIR_REQ,           "Redirection request"},
    445. 

  445.     {GTP_MSG_REDIR_RESP,          "Redirection response"},
    446. 

  446.     /*
    447. 

  447.      * 8-15 For future use. Shall not be sent. If received,
    448. 

  448.      * shall be treated as an Unknown message.
    449. 

  449.      */
    450. 

  450. #if 0
    451. 

  451.     {   8,                              "Unknown message(For future use)"},
    452. 

  452.     {   9,                              "Unknown message(For future use)"},
    453. 

  453.     {  10,                              "Unknown message(For future use)"},
    454. 

  454.     {  11,                              "Unknown message(For future use)"},
    455. 

  455.     {  12,                              "Unknown message(For future use)"},
    456. 

  456.     {  13,                              "Unknown message(For future use)"},
    457. 

  457.     {  14,                              "Unknown message(For future use)"},
    458. 

  458.     {  15,                              "Unknown message(For future use)"},
    459. 

  459. #endif
    460. 

  460.     {GTP_MSG_CREATE_PDP_REQ,            "Create PDP context request"},
    461. 

  461.     {GTP_MSG_CREATE_PDP_RESP,           "Create PDP context response"},
    462. 

  462.     {GTP_MSG_UPDATE_PDP_REQ,            "Update PDP context request"},
    463. 

  463.     {GTP_MSG_UPDATE_PDP_RESP,           "Update PDP context response"},
    464. 

  464.     {GTP_MSG_DELETE_PDP_REQ,            "Delete PDP context request"},
    465. 

  465.     {GTP_MSG_DELETE_PDP_RESP,           "Delete PDP context response"},
    466. 

  466.     {GTP_MSG_INIT_PDP_CONTEXT_ACT_REQ,  "Initiate PDP Context Activation Request"},
    467. 

  467.     {GTP_MSG_INIT_PDP_CONTEXT_ACT_RESP, "Initiate PDP Context Activation Response"},
    468. 

  468. /*
    469. 

  469.  * 24-25 For future use. Shall not be sent. If received,
    470. 

  470.  * shall be treated as an Unknown message.
    471. 

  471.  */
    472. 

  472.     {GTP_MSG_DELETE_AA_PDP_REQ,   "Delete AA PDP Context Request"},
    473. 

  473.     {GTP_MSG_DELETE_AA_PDP_RESP,  "Delete AA PDP Context Response"},
    474. 

  474.     {GTP_MSG_ERR_IND,             "Error indication"},
    475. 

  475.     {GTP_MSG_PDU_NOTIFY_REQ,      "PDU notification request"},
    476. 

  476.     {GTP_MSG_PDU_NOTIFY_RESP,     "PDU notification response"},
    477. 

  477.     {GTP_MSG_PDU_NOTIFY_REJ_REQ,  "PDU notification reject request"},
    478. 

  478.     {GTP_MSG_PDU_NOTIFY_REJ_RESP, "PDU notification reject response"},
    479. 

  479.     {GTP_MSG_SUPP_EXT_HDR,        "Supported extension header notification"},
    480. 

  480.     {GTP_MSG_SEND_ROUT_INFO_REQ,  "Send routing information for GPRS request"},
    481. 

  481.     {GTP_MSG_SEND_ROUT_INFO_RESP, "Send routing information for GPRS response"},
    482. 

  482.     {GTP_MSG_FAIL_REP_REQ,        "Failure report request"},
    483. 

  483.     {GTP_MSG_FAIL_REP_RESP,       "Failure report response"},
    484. 

  484.     {GTP_MSG_MS_PRESENT_REQ,      "Note MS GPRS present request"},
    485. 

  485.     {GTP_MSG_MS_PRESENT_RESP,     "Note MS GPRS present response"},
    486. 

  486.     /* 38-47 For future use. Shall not be sent. If received,
    487. 

  487.      * shall be treated as an Unknown message.
    488. 

  488.      */
    489. 

  489. #if 0
    490. 

  490.     {  38,                        "Unknown message(For future use)"},
    491. 

  491.     {  39,                        "Unknown message(For future use)"},
    492. 

  492.     {  40,                        "Unknown message(For future use)"},
    493. 

  493.     {  41,                        "Unknown message(For future use)"},
    494. 

  494.     {  42,                        "Unknown message(For future use)"},
    495. 

  495.     {  43,                        "Unknown message(For future use)"},
    496. 

  496.     {  44,                        "Unknown message(For future use)"},
    497. 

  497.     {  45,                        "Unknown message(For future use)"},
    498. 

  498.     {  46,                        "Unknown message(For future use)"},
    499. 

  499.     {  47,                        "Unknown message(For future use)"},
    500. 

  500. #endif
    501. 

  501.     {GTP_MSG_IDENT_REQ,           "Identification request"},
    502. 

  502.     {GTP_MSG_IDENT_RESP,          "Identification response"},
    503. 

  503.     {GTP_MSG_SGSN_CNTXT_REQ,      "SGSN context request"},
    504. 

  504.     {GTP_MSG_SGSN_CNTXT_RESP,     "SGSN context response"},
    505. 

  505.     {GTP_MSG_SGSN_CNTXT_ACK,      "SGSN context acknowledgement"},
    506. 

  506.     {GTP_MSG_FORW_RELOC_REQ,      "Forward relocation request"},
    507. 

  507.     {GTP_MSG_FORW_RELOC_RESP,     "Forward relocation response"},
    508. 

  508.     {GTP_MSG_FORW_RELOC_COMP,     "Forward relocation complete"},
    509. 

  509.     {GTP_MSG_RELOC_CANCEL_REQ,    "Relocation cancel request"},
    510. 

  510.     {GTP_MSG_RELOC_CANCEL_RESP,   "Relocation cancel response"},
    511. 

  511.     {GTP_MSG_FORW_SRNS_CNTXT,     "Forward SRNS context"},
    512. 

  512.     {GTP_MSG_FORW_RELOC_ACK,      "Forward relocation complete acknowledge"},
    513. 

  513.     {GTP_MSG_FORW_SRNS_CNTXT_ACK, "Forward SRNS context acknowledge"},
    514. 

  514.     /* 61-69 For future use. Shall not be sent. If received,
    515. 

  515.      * shall be treated as an Unknown message.
    516. 

  516.      */
    517. 

  517. #if 0
    518. 

  518.     {  61,                        "Unknown message(For future use)"},
    519. 

  519.     {  62,                        "Unknown message(For future use)"},
    520. 

  520.     {  63,                        "Unknown message(For future use)"},
    521. 

  521.     {  64,                        "Unknown message(For future use)"},
    522. 

  522.     {  65,                        "Unknown message(For future use)"},
    523. 

  523.     {  66,                        "Unknown message(For future use)"},
    524. 

  524.     {  67,                        "Unknown message(For future use)"},
    525. 

  525.     {  68,                        "Unknown message(For future use)"},
    526. 

  526.     {  69,                        "Unknown message(For future use)"},
    527. 

  527. #endif
    528. 

  528.     {GTP_MSG_RAN_INFO_RELAY,      "RAN Information Relay"},
    529. 

  529.     /* 71-95 For future use. Shall not be sent. If received,
    530. 

  530.      * shall be treated as an Unknown message.
    531. 

  531.      */
    532. 

  532. #if 0
    533. 

  533.     {  71,                        "Unknown message(For future use)"},
    534. 

  534.     {  72,                        "Unknown message(For future use)"},
    535. 

  535.     {  73,                        "Unknown message(For future use)"},
    536. 

  536.     {  74,                        "Unknown message(For future use)"},
    537. 

  537.     {  75,                        "Unknown message(For future use)"},
    538. 

  538.     {  76,                        "Unknown message(For future use)"},
    539. 

  539.     {  77,                        "Unknown message(For future use)"},
    540. 

  540.     {  78,                        "Unknown message(For future use)"},
    541. 

  541.     {  79,                        "Unknown message(For future use)"},
    542. 

  542.     {  80,                        "Unknown message(For future use)"},
    543. 

  543.     {  81,                        "Unknown message(For future use)"},
    544. 

  544.     {  82,                        "Unknown message(For future use)"},
    545. 

  545.     {  83,                        "Unknown message(For future use)"},
    546. 

  546.     {  84,                        "Unknown message(For future use)"},
    547. 

  547.     {  85,                        "Unknown message(For future use)"},
    548. 

  548.     {  86,                        "Unknown message(For future use)"},
    549. 

  549.     {  87,                        "Unknown message(For future use)"},
    550. 

  550.     {  88,                        "Unknown message(For future use)"},
    551. 

  551.     {  89,                        "Unknown message(For future use)"},
    552. 

  552.     {  90,                        "Unknown message(For future use)"},
    553. 

  553.     {  91,                        "Unknown message(For future use)"},
    554. 

  554.     {  92,                        "Unknown message(For future use)"},
    555. 

  555.     {  93,                        "Unknown message(For future use)"},
    556. 

  556.     {  94,                        "Unknown message(For future use)"},
    557. 

  557.     {  95,                        "Unknown message(For future use)"},
    558. 

  558. #endif
    559. 

  559.     {GTP_MBMS_NOTIFY_REQ,         "MBMS Notification Request"},
    560. 

  560.     {GTP_MBMS_NOTIFY_RES,         "MBMS Notification Response"},
    561. 

  561.     {GTP_MBMS_NOTIFY_REJ_REQ,     "MBMS Notification Reject Request"},
    562. 

  562.     {GTP_MBMS_NOTIFY_REJ_RES,     "MBMS Notification Reject Response"},
    563. 

  563.     {GTP_CREATE_MBMS_CNTXT_REQ,   "Create MBMS Context Request"},
    564. 

  564.     {GTP_CREATE_MBMS_CNTXT_RES,   "Create MBMS Context Response"},
    565. 

  565.     {GTP_UPD_MBMS_CNTXT_REQ,      "Update MBMS Context Request"},
    566. 

  566.     {GTP_UPD_MBMS_CNTXT_RES,      "Update MBMS Context Response"},
    567. 

  567.     {GTP_DEL_MBMS_CNTXT_REQ,      "Delete MBMS Context Request"},
    568. 

  568.     {GTP_DEL_MBMS_CNTXT_RES,      "Delete MBMS Context Response"},
    569. 

  569.     /* 106 - 111 For future use. Shall not be sent. If received,
    570. 

  570.      * shall be treated as an Unknown message.
    571. 

  571.      */
    572. 

  572. #if 0
    573. 

  573.     {  106,                       "Unknown message(For future use)"},
    574. 

  574.     {  107,                       "Unknown message(For future use)"},
    575. 

  575.     {  108,                       "Unknown message(For future use)"},
    576. 

  576.     {  109,                       "Unknown message(For future use)"},
    577. 

  577.     {  110,                       "Unknown message(For future use)"},
    578. 

  578.     {  111,                       "Unknown message(For future use)"},
    579. 

  579. #endif
    580. 

  580.     {GTP_MBMS_REG_REQ,            "MBMS Registration Request"},
    581. 

  581.     {GTP_MBMS_REG_RES,            "MBMS Registration Response"},
    582. 

  582.     {GTP_MBMS_DE_REG_REQ,         "MBMS De-Registration Request"},
    583. 

  583.     {GTP_MBMS_DE_REG_RES,         "MBMS De-Registration Response"},
    584. 

  584.     {GTP_MBMS_SES_START_REQ,      "MBMS Session Start Request"},
    585. 

  585.     {GTP_MBMS_SES_START_RES,      "MBMS Session Start Response"},
    586. 

  586.     {GTP_MBMS_SES_STOP_REQ,       "MBMS Session Stop Request"},
    587. 

  587.     {GTP_MBMS_SES_STOP_RES,       "MBMS Session Stop Response"},
    588. 

  588.     {GTP_MBMS_SES_UPD_REQ,        "MBMS Session Update Request"},
    589. 

  589.     {GTP_MBMS_SES_UPD_RES,        "MBMS Session Update Response"},
    590. 

  590.     /* 122-127 For future use. Shall not be sent.
    591. 

  591.      * If received, shall be treated as an Unknown message.
    592. 

  592.      */
    593. 

  593. #if 0
    594. 

  594.     {  122,                       "Unknown message(For future use)"},
    595. 

  595.     {  123,                       "Unknown message(For future use)"},
    596. 

  596.     {  124,                       "Unknown message(For future use)"},
    597. 

  597.     {  125,                       "Unknown message(For future use)"},
    598. 

  598.     {  126,                       "Unknown message(For future use)"},
    599. 

  599.     {  127,                       "Unknown message(For future use)"},
    600. 

  600. #endif
    601. 

  601.     {GTP_MS_INFO_CNG_NOT_REQ,     "MS Info Change Notification Request"},
    602. 

  602.     {GTP_MS_INFO_CNG_NOT_RES,     "MS Info Change Notification Response"},
    603. 

  603.     /* 130-239 For future use. Shall not be sent. If received,
    604. 

  604.      * shall be treated as an Unknown message.
    605. 

  605.      */
    606. 

  606. #if 0
    607. 

  607.     {  130,                       "Unknown message(For future use)"},
    608. 

  608.     {  131,                       "Unknown message(For future use)"},
    609. 

  609.     {  132,                       "Unknown message(For future use)"},
    610. 

  610.     {  133,                       "Unknown message(For future use)"},
    611. 

  611.     {  134,                       "Unknown message(For future use)"},
    612. 

  612.     {  135,                       "Unknown message(For future use)"},
    613. 

  613.     {  136,                       "Unknown message(For future use)"},
    614. 

  614.     {  137,                       "Unknown message(For future use)"},
    615. 

  615.     {  138,                       "Unknown message(For future use)"},
    616. 

  616.     {  139,                       "Unknown message(For future use)"},
    617. 

  617.     {  140,                       "Unknown message(For future use)"},
    618. 

  618.     {  141,                       "Unknown message(For future use)"},
    619. 

  619.     {  142,                       "Unknown message(For future use)"},
    620. 

  620.     {  143,                       "Unknown message(For future use)"},
    621. 

  621.     {  144,                       "Unknown message(For future use)"},
    622. 

  622.     {  145,                       "Unknown message(For future use)"},
    623. 

  623.     {  146,                       "Unknown message(For future use)"},
    624. 

  624.     {  147,                       "Unknown message(For future use)"},
    625. 

  625.     {  148,                       "Unknown message(For future use)"},
    626. 

  626.     {  149,                       "Unknown message(For future use)"},
    627. 

  627.     {  150,                       "Unknown message(For future use)"},
    628. 

  628.     {  151,                       "Unknown message(For future use)"},
    629. 

  629.     {  152,                       "Unknown message(For future use)"},
    630. 

  630.     {  153,                       "Unknown message(For future use)"},
    631. 

  631.     {  154,                       "Unknown message(For future use)"},
    632. 

  632.     {  155,                       "Unknown message(For future use)"},
    633. 

  633.     {  156,                       "Unknown message(For future use)"},
    634. 

  634.     {  157,                       "Unknown message(For future use)"},
    635. 

  635.     {  158,                       "Unknown message(For future use)"},
    636. 

  636.     {  159,                       "Unknown message(For future use)"},
    637. 

  637. #endif
    638. 

  638.     {GTP_MSG_DATA_TRANSF_REQ,     "Data record transfer request"},
    639. 

  639.     {GTP_MSG_DATA_TRANSF_RESP,    "Data record transfer response"},
    640. 

  640.     /* 242-253 For future use. Shall not be sent. If received,
    641. 

  641.      * shall be treated as an Unknown message.
    642. 

  642.      */
    643. 

  643. #if 0
    644. 

  644.     {  242,                       "Unknown message(For future use)"},
    645. 

  645.     {  243,                       "Unknown message(For future use)"},
    646. 

  646.     {  244,                       "Unknown message(For future use)"},
    647. 

  647.     {  245,                       "Unknown message(For future use)"},
    648. 

  648.     {  246,                       "Unknown message(For future use)"},
    649. 

  649.     {  247,                       "Unknown message(For future use)"},
    650. 

  650.     {  248,                       "Unknown message(For future use)"},
    651. 

  651.     {  249,                       "Unknown message(For future use)"},
    652. 

  652.     {  250,                       "Unknown message(For future use)"},
    653. 

  653.     {  251,                       "Unknown message(For future use)"},
    654. 

  654.     {  252,                       "Unknown message(For future use)"},
    655. 

  655.     {  253,                       "Unknown message(For future use)"},
    656. 

  656. #endif
    657. 

  657.     {GTP_MSG_END_MARKER,          "End Marker"},
    658. 

  658.     {GTP_MSG_TPDU,                "T-PDU"},
    659. 

  659.     {0, NULL}
    660. 

  660. };
    661. 

  661. static value_string_ext gtp_message_type_ext = VALUE_STRING_EXT_INIT(gtp_message_type);
    662. 

  662. 

  663. /* definitions of fields in extension header */
    664. 

  664. #define GTP_EXT_CAUSE                 0x01
    665. 

  665. #define GTP_EXT_IMSI                  0x02
    666. 

  666. #define GTP_EXT_RAI                   0x03
    667. 

  667. #define GTP_EXT_TLLI                  0x04
    668. 

  668. #define GTP_EXT_PTMSI                 0x05
    669. 

  669. #define GTP_EXT_QOS_GPRS              0x06
    670. 

  670. #define GTP_EXT_REORDER               0x08
    671. 

  671. #define GTP_EXT_AUTH_TRI              0x09
    672. 

  672. #define GTP_EXT_MAP_CAUSE             0x0B
    673. 

  673. #define GTP_EXT_PTMSI_SIG             0x0C
    674. 

  674. #define GTP_EXT_MS_VALID              0x0D
    675. 

  675. #define GTP_EXT_RECOVER               0x0E
    676. 

  676. #define GTP_EXT_SEL_MODE              0x0F
    677. 

  677. 

  678. #define GTP_EXT_16                    0x10
    679. 

  679. #define GTP_EXT_FLOW_LABEL            0x10
    680. 

  680. #define GTP_EXT_TEID                  0x10    /* 0xFF10 3G */
    681. 

  681. 

  682. #define GTP_EXT_17                    0x11
    683. 

  683. #define GTP_EXT_FLOW_SIG              0x11
    684. 

  684. #define GTP_EXT_TEID_CP               0x11    /* 0xFF11 3G */
    685. 

  685. 

  686. #define GTP_EXT_18                    0x12
    687. 

  687. #define GTP_EXT_FLOW_II               0x12
    688. 

  688. #define GTP_EXT_TEID_II               0x12    /* 0xFF12 3G */
    689. 

  689. 

  690. #define GTP_EXT_19                    0x13    /* 19 TV Teardown Ind 7.7.16 */
    691. 

  691. #define GTP_EXT_MS_REASON             0x13    /* same as 0x1D GTPv1_EXT_MS_REASON */
    692. 

  692. #define GTP_EXT_TEAR_IND              0x13    /* 0xFF13 3G */
    693. 

  693. 

  694. #define GTP_EXT_NSAPI                 0x14    /* 3G */
    695. 

  695. #define GTP_EXT_RANAP_CAUSE           0x15    /* 3G */
    696. 

  696. #define GTP_EXT_RAB_CNTXT             0x16    /* 3G */
    697. 

  697. #define GTP_EXT_RP_SMS                0x17    /* 3G */
    698. 

  698. #define GTP_EXT_RP                    0x18    /* 3G */
    699. 

  699. #define GTP_EXT_PKT_FLOW_ID           0x19    /* 3G */
    700. 

  700. #define GTP_EXT_CHRG_CHAR             0x1A    /* 3G */
    701. 

  701. #define GTP_EXT_TRACE_REF             0x1B    /* 3G */
    702. 

  702. #define GTP_EXT_TRACE_TYPE            0x1C    /* 3G */
    703. 

  703. #define GTPv1_EXT_MS_REASON           0x1D    /* 3G 29 TV MS Not Reachable Reason 7.7.25A */
    704. 

  704. /* 117-126 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
    705. 

  705. #define GTP_EXT_TR_COMM               0x7E    /* charging */
    706. 

  706. #define GTP_EXT_CHRG_ID               0x7F    /* 127 TV Charging ID 7.7.26 */
    707. 

  707. #define GTP_EXT_USER_ADDR             0x80
    708. 

  708. #define GTP_EXT_MM_CNTXT              0x81
    709. 

  709. #define GTP_EXT_PDP_CNTXT             0x82
    710. 

  710. #define GTP_EXT_APN                   0x83
    711. 

  711. #define GTP_EXT_PROTO_CONF            0x84
    712. 

  712. #define GTP_EXT_GSN_ADDR              0x85
    713. 

  713. #define GTP_EXT_MSISDN                0x86
    714. 

  714. #define GTP_EXT_QOS_UMTS              0x87    /* 3G */
    715. 

  715. #define GTP_EXT_AUTH_QUI              0x88    /* 3G */
    716. 

  716. #define GTP_EXT_TFT                   0x89    /* 3G */
    717. 

  717. #define GTP_EXT_TARGET_ID             0x8A    /* 3G */
    718. 

  718. #define GTP_EXT_UTRAN_CONT            0x8B    /* 3G */
    719. 

  719. #define GTP_EXT_RAB_SETUP             0x8C    /* 3G */
    720. 

  720. #define GTP_EXT_HDR_LIST              0x8D    /* 3G */
    721. 

  721. #define GTP_EXT_TRIGGER_ID            0x8E    /* 3G   142 7.7.41 */
    722. 

  722. #define GTP_EXT_OMC_ID                0x8F    /* 3G   143 TLV OMC Identity 7.7.42 */
    723. 

  723. #define GTP_EXT_RAN_TR_CONT           0x90    /* 3G   144 TLV RAN Transparent Container 7.7.43 */
    724. 

  724. #define GTP_EXT_PDP_CONT_PRIO         0x91    /* 3G   145 TLV PDP Context Prioritization 7.7.45 */
    725. 

  725. #define GTP_EXT_ADD_RAB_SETUP_INF     0x92    /* 3G   146 TLV Additional RAB Setup Information 7.7.45A */
    726. 

  726. #define GTP_EXT_SSGN_NO               0x93    /* 3G   147 TLV SGSN Number 7.7.47 */
    727. 

  727. #define GTP_EXT_COMMON_FLGS           0x94    /* 3G   148 TLV Common Flags 7.7.48 */
    728. 

  728. #define GTP_EXT_APN_RES               0x95    /* 3G   149 */
    729. 

  729. #define GTP_EXT_RA_PRIO_LCS           0x96    /* 3G   150 TLV Radio Priority LCS 7.7.25B */
    730. 

  730. #define GTP_EXT_RAT_TYPE              0x97    /* 3G   151 TLV RAT Type 7.7.50 */
    731. 

  731. #define GTP_EXT_USR_LOC_INF           0x98    /* 3G   152 TLV User Location Information 7.7.51 */
    732. 

  732. #define GTP_EXT_MS_TIME_ZONE          0x99    /* 3G   153 TLV MS Time Zone 7.7.52 */
    733. 

  733. #define GTP_EXT_IMEISV                0x9A    /* 3G   154 TLV IMEI(SV) 7.7.53 */
    734. 

  734. #define GTP_EXT_CAMEL_CHG_INF_CON     0x9B    /* 3G   155 TLV CAMEL Charging Information Container 7.7.54 */
    735. 

  735. #define GTP_EXT_MBMS_UE_CTX           0x9C    /* 3G   156 TLV MBMS UE Context 7.7.55 */
    736. 

  736. #define GTP_EXT_TMGI                  0x9D    /* 3G   157 TLV Temporary Mobile Group Identity (TMGI) 7.7.56 */
    737. 

  737. #define GTP_EXT_RIM_RA                0x9E    /* 3G   158 TLV RIM Routing Address 7.7.57 */
    738. 

  738. #define GTP_EXT_MBMS_PROT_CONF_OPT    0x9F    /* 3G   159 TLV MBMS Protocol Configuration Options 7.7.58 */
    739. 

  739. #define GTP_EXT_MBMS_SA               0xA0    /* 3G   160 TLV MBMS Service Area 7.7.60 */
    740. 

  740. #define GTP_EXT_SRC_RNC_PDP_CTX_INF   0xA1    /* 3G   161 TLV Source RNC PDCP context info 7.7.61 */
    741. 

  741. #define GTP_EXT_ADD_TRS_INF           0xA2    /* 3G   162 TLV Additional Trace Info 7.7.62 */
    742. 

  742. #define GTP_EXT_HOP_COUNT             0xA3    /* 3G   163 TLV Hop Counter 7.7.63 */
    743. 

  743. #define GTP_EXT_SEL_PLMN_ID           0xA4    /* 3G   164 TLV Selected PLMN ID 7.7.64 */
    744. 

  744. #define GTP_EXT_MBMS_SES_ID           0xA5    /* 3G   165 TLV MBMS Session Identifier 7.7.65 */
    745. 

  745. #define GTP_EXT_MBMS_2G_3G_IND        0xA6    /* 3G   166 TLV MBMS 2G/3G Indicator 7.7.66 */
    746. 

  746. #define GTP_EXT_ENH_NSAPI             0xA7    /* 3G   167 TLV Enhanced NSAPI 7.7.67 */
    747. 

  747. #define GTP_EXT_MBMS_SES_DUR          0xA8    /* 3G   168 TLV MBMS Session Duration 7.7.59 */
    748. 

  748. #define GTP_EXT_ADD_MBMS_TRS_INF      0xA9    /* 3G   169 TLV Additional MBMS Trace Info 7.7.68 */
    749. 

  749. #define GTP_EXT_MBMS_SES_ID_REP_NO    0xAA    /* 3G   170 TLV MBMS Session Identity Repetition Number 7.7.69 */
    750. 

  750. #define GTP_EXT_MBMS_TIME_TO_DATA_TR  0xAB    /* 3G   171 TLV MBMS Time To Data Transfer 7.7.70 */
    751. 

  751. #define GTP_EXT_PS_HO_REQ_CTX         0xAC    /* 3G   172 TLV PS Handover Request Context 7.7.71 */
    752. 

  752. #define GTP_EXT_BSS_CONT              0xAD    /* 3G   173 TLV BSS Container 7.7.72 */
    753. 

  753. #define GTP_EXT_CELL_ID               0xAE    /* 3G   174 TLV Cell Identification 7.7.73 */
    754. 

  754. #define GTP_EXT_PDU_NO                0xAF    /* 3G   175 TLV PDU Numbers                               7.7.74 */
    755. 

  755. #define GTP_EXT_BSSGP_CAUSE           0xB0    /* 3G   176 TLV BSSGP Cause                               7.7.75 */
    756. 

  756. #define GTP_EXT_REQ_MBMS_BEARER_CAP   0xB1    /* 3G   177 TLV Required MBMS bearer capabilities         7.7.76 */
    757. 

  757. #define GTP_EXT_RIM_ROUTING_ADDR_DISC 0xB2    /* 3G   178 TLV RIM Routing Address Discriminator         7.7.77 */
    758. 

  758. #define GTP_EXT_LIST_OF_SETUP_PFCS    0xB3    /* 3G   179 TLV List of set-up PFCs                       7.7.78 */
    759. 

  759. #define GTP_EXT_PS_HANDOVER_XIP_PAR   0xB4    /* 3G   180 TLV PS Handover XID Parameters                7.7.79 */
    760. 

  760. #define GTP_EXT_MS_INF_CHG_REP_ACT    0xB5    /* 3G   181 TLV MS Info Change Reporting Action           7.7.80 */
    761. 

  761. #define GTP_EXT_DIRECT_TUNNEL_FLGS    0xB6    /* 3G   182 TLV Direct Tunnel Flags                       7.7.81 */
    762. 

  762. #define GTP_EXT_CORRELATION_ID        0xB7    /* 3G   183 TLV Correlation-ID                            7.7.82 */
    763. 

  763. #define GTP_EXT_BEARER_CONTROL_MODE   0xB8    /* 3G   184 TLV Bearer Control Mode                       7.7.83 */
    764. 

  764. #define GTP_EXT_MBMS_FLOW_ID          0xB9    /* 3G   185 TLV MBMS Flow Identifier                      7.7.84 */
    765. 

  765. #define GTP_EXT_MBMS_IP_MCAST_DIST    0xBA    /* 3G   186 TLV MBMS IP Multicast Distribution            7.7.85 */
    766. 

  766. #define GTP_EXT_MBMS_DIST_ACK         0xBB    /* 3G   187 TLV MBMS Distribution Acknowledgement         7.7.86 */
    767. 

  767. #define GTP_EXT_RELIABLE_IRAT_HO_INF  0xBC    /* 3G   188 TLV Reliable INTER RAT HANDOVER INFO          7.7.87 */
    768. 

  768. #define GTP_EXT_RFSP_INDEX            0xBD    /* 3G   189 TLV RFSP Index                                7.7.88 */
    769. 

  769. #define GTP_EXT_FQDN                  0xBE    /* 3G   190 TLV Fully Qualified Domain Name (FQDN)        7.7.90 */
    770. 

  770. #define GTP_EXT_EVO_ALLO_RETE_P1      0xBF    /* 3G   191 TLV Evolved Allocation/Retention Priority I   7.7.91 */
    771. 

  771. #define GTP_EXT_EVO_ALLO_RETE_P2      0xC0    /* 3G   192 TLV Evolved Allocation/Retention Priority II  7.7.92 */
    772. 

  772. #define GTP_EXT_EXTENDED_COMMON_FLGS  0xC1    /* 3G   193 TLV Extended Common Flags                     7.7.93 */
    773. 

  773. #define GTP_EXT_UCI                   0xC2    /* 3G   194 TLV User CSG Information (UCI)                7.7.94 */
    774. 

  774. #define GTP_EXT_CSG_INF_REP_ACT       0xC3    /* 3G   195 TLV CSG Information Reporting Action          7.7.95 */
    775. 

  775. #define GTP_EXT_CSG_ID                0xC4    /* 3G   196 TLV CSG ID                                    7.7.96 */
    776. 

  776. #define GTP_EXT_CMI                   0xC5    /* 3G   197 TLV CSG Membership Indication (CMI)           7.7.97 */
    777. 

  777. #define GTP_EXT_AMBR                  0xC6    /* 3G   198 TLV Aggregate Maximum Bit Rate (AMBR)         7.7.98 */
    778. 

  778. #define GTP_EXT_UE_NETWORK_CAP        0xC7    /* 3G   199 TLV UE Network Capability                     7.7.99 */
    779. 

  779. #define GTP_EXT_UE_AMBR               0xC8    /* 3G   200 TLV UE-AMBR                                   7.7.100 */
    780. 

  780. #define GTP_EXT_APN_AMBR_WITH_NSAPI   0xC9    /* 3G   201 TLV APN-AMBR with NSAPI                       7.7.101 */
    781. 

  781. #define GTP_EXT_GGSN_BACK_OFF_TIME    0xCA    /* 3G   202 TLV GGSN Back-Off Time                        7.7.102 */
    782. 

  782. #define GTP_EXT_SIG_PRI_IND           0xCB    /* 3G   203 TLV Signalling Priority Indication            7.7.103 */
    783. 

  783. #define GTP_EXT_SIG_PRI_IND_W_NSAPI   0xCC    /* 3G   204 TLV Signalling Priority Indication with NSAPI 7.7.104 */
    784. 

  784. #define GTP_EXT_HIGHER_BR_16MB_FLG    0xCD    /* 3G   205 TLV Higher bitrates than 16 Mbps flag         7.7.105 */
    785. 

  785. #define GTP_EXT_MAX_MBR_APN_AMBR      0xCE    /* 3G   206 TLV Max MBR/APN-AMBR                          7.7.106 */
    786. 

  786. #define GTP_EXT_ADD_MM_CTX_SRVCC      0xCF    /* 3G   207 TLV Additional MM context for SRVCC           7.7.107 */
    787. 

  787. #define GTP_EXT_ADD_FLGS_SRVCC        0xD0    /* 3G   208 TLV Additional flags for SRVCC                7.7.108  */
    788. 

  788. #define GTP_EXT_STN_SR                0xD1    /* 3G   209 TLV STN-SR                                    7.7.109  */
    789. 

  789. #define GTP_EXT_C_MSISDN              0xD2    /* 3G   210 TLV C-MSISDN                                  7.7.110  */
    790. 

  790. #define GTP_EXT_EXT_RANAP_CAUSE       0xD3    /* 3G   211 TLV Extended RANAP Cause                      7.7.111  */
    791. 

  791.                                               /*  212-238 TLV Spare. For future use.     */
    792. 

  792. 

  793. /* 239-250  Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33])*/
    794. 

  794. 

  795. #define GTP_EXT_C1                    0xC1
    796. 

  796. #define GTP_EXT_C2                    0xC2
    797. 

  797. #define GTP_EXT_REL_PACK              0xF9    /* charging */
    798. 

  798. #define GTP_EXT_CAN_PACK              0xFA    /* charging */
    799. 

  799. #define GTP_EXT_CHRG_ADDR             0xFB    /* 3G   251     TLV     Charging Gateway Address        7.7.44 */
    800. 

  800. /* 252-254  Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33])*/
    801. 

  801. #define GTP_EXT_DATA_REQ              0xFC    /* charging */
    802. 

  802. #define GTP_EXT_DATA_RESP             0xFD    /* charging */
    803. 

  803. #define GTP_EXT_NODE_ADDR             0xFE    /* charging */
    804. 

  804. #define GTP_EXT_PRIV_EXT              0xFF
    805. 

  805. 

  806. static const value_string gtp_val[] = {
    807. 

  807.     {GTP_EXT_CAUSE,                 "Cause of operation"},
    808. 

  808.     {GTP_EXT_IMSI,                  "IMSI"},
    809. 

  809.     {GTP_EXT_RAI,                   "Routing Area Identity"},
    810. 

  810.     {GTP_EXT_TLLI,                  "Temporary Logical Link Identity"},
    811. 

  811.     {GTP_EXT_PTMSI,                 "Packet TMSI"},
    812. 

  812. /*   6 */  {GTP_EXT_QOS_GPRS,       "Quality of Service"},
    813. 

  813. /* 6-7 Spare */
    814. 

  814. /*   8 */  {GTP_EXT_REORDER,        "Reorder required"},
    815. 

  815. /*   9 */  {GTP_EXT_AUTH_TRI,       "Authentication triplets"},
    816. 

  816. /* 10 Spare */
    817. 

  817. /*  11 */  {GTP_EXT_MAP_CAUSE,      "MAP cause"},
    818. 

  818. /*  12 */  {GTP_EXT_PTMSI_SIG,      "P-TMSI signature"},
    819. 

  819. /*  13 */  {GTP_EXT_MS_VALID,       "MS validated"},
    820. 

  820. /*  14 */  {GTP_EXT_RECOVER,        "Recovery"},
    821. 

  821. /*  15 */  {GTP_EXT_SEL_MODE,       "Selection mode"},
    822. 

  822. 

  823. /*  16 */  {GTP_EXT_16,             "Flow label data I"},
    824. 

  824. /*  16 */  /* ??? {GTP_EXT_FLOW_LABEL,     "Flow label data I"}, */
    825. 

  825. /*  16 */  /* ??? {GTP_EXT_TEID,           "Tunnel Endpoint Identifier Data I"}, */   /* 3G */
    826. 

  826. 

  827.     {GTP_EXT_17,                    "Flow label signalling"},
    828. 

  828. /* ???    {GTP_EXT_FLOW_SIG,              "Flow label signalling"}, */
    829. 

  829. /* ???    {GTP_EXT_TEID_CP,               "Tunnel Endpoint Identifier Data Control Plane"}, */ /* 3G */
    830. 

  830. 

  831.     {GTP_EXT_18,                    "Flow label data II"},
    832. 

  832. /* ???    {GTP_EXT_FLOW_II,               "Flow label data II"}, */
    833. 

  833. /* ???    {GTP_EXT_TEID_II,               "Tunnel Endpoint Identifier Data II"}, */   /* 3G */
    834. 

  834. 

  835.     {GTP_EXT_19,                    "MS not reachable reason"},
    836. 

  836. /* ???    {GTP_EXT_MS_REASON,             "MS not reachable reason"}, */
    837. 

  837. /* ???    {GTP_EXT_TEAR_IND,              "Teardown ID"}, */ /* 3G */
    838. 

  838. 

  839.     {GTP_EXT_NSAPI,                 "NSAPI"},   /* 3G */
    840. 

  840.     {GTP_EXT_RANAP_CAUSE,           "RANAP cause"},   /* 3G */
    841. 

  841.     {GTP_EXT_RAB_CNTXT,             "RAB context"}, /* 3G */
    842. 

  842.     {GTP_EXT_RP_SMS,                "Radio Priority for MO SMS"},  /* 3G */
    843. 

  843.     {GTP_EXT_RP,                    "Radio Priority"}, /* 3G */
    844. 

  844.     {GTP_EXT_PKT_FLOW_ID,           "Packet Flow ID"},    /* 3G */
    845. 

  845.     {GTP_EXT_CHRG_CHAR,             "Charging characteristics"},    /* 3G */
    846. 

  846.     {GTP_EXT_TRACE_REF,             "Trace references"},    /* 3G */
    847. 

  847.     {GTP_EXT_TRACE_TYPE,            "Trace type"}, /* 3G */
    848. 

  848. /*  29 */  {GTPv1_EXT_MS_REASON,    "MS not reachable reason"},   /* 3G */
    849. 

  849. /* 117-126 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
    850. 

  850. /* 126 */  {GTP_EXT_TR_COMM,        "Packet transfer command"},   /* charging */
    851. 

  851. /* 127 */  {GTP_EXT_CHRG_ID,        "Charging ID"},
    852. 

  852.     {GTP_EXT_USER_ADDR,             "End user address"},
    853. 

  853.     {GTP_EXT_MM_CNTXT,              "MM context"},
    854. 

  854.     {GTP_EXT_PDP_CNTXT,             "PDP context"},
    855. 

  855.     {GTP_EXT_APN,                   "Access Point Name"},
    856. 

  856.     {GTP_EXT_PROTO_CONF,            "Protocol configuration options"},
    857. 

  857.     {GTP_EXT_GSN_ADDR,              "GSN address"},
    858. 

  858.     {GTP_EXT_MSISDN,                "MS international PSTN/ISDN number"},
    859. 

  859.     {GTP_EXT_QOS_UMTS,              "Quality of service (UMTS)"},    /* 3G */
    860. 

  860.     {GTP_EXT_AUTH_QUI,              "Authentication quintuplets"},   /* 3G */
    861. 

  861.     {GTP_EXT_TFT,                   "Traffic Flow Template (TFT)"},   /* 3G */
    862. 

  862.     {GTP_EXT_TARGET_ID,             "Target (RNC) identification"}, /* 3G */
    863. 

  863.     {GTP_EXT_UTRAN_CONT,            "UTRAN transparent field"},    /* 3G */
    864. 

  864.     {GTP_EXT_RAB_SETUP,             "RAB setup information"},   /* 3G */
    865. 

  865.     {GTP_EXT_HDR_LIST,              "Extension Header Types List"},  /* 3G */
    866. 

  866.     {GTP_EXT_TRIGGER_ID,            "Trigger Id"}, /* 3G */
    867. 

  867.     {GTP_EXT_OMC_ID,                "OMC Identity"},   /* 3G */
    868. 

  868. 

  869.     {GTP_EXT_RAN_TR_CONT,           "RAN Transparent Container"}, /* 7.7.43 */
    870. 

  870.     {GTP_EXT_PDP_CONT_PRIO,         "PDP Context Prioritization"},  /* 7.7.45 */
    871. 

  871.     {GTP_EXT_ADD_RAB_SETUP_INF,     "Additional RAB Setup Information"},    /* 7.7.45A */
    872. 

  872.     {GTP_EXT_SSGN_NO,               "SGSN Number"},   /* 7.7.47 */
    873. 

  873.     {GTP_EXT_COMMON_FLGS,           "Common Flags"},  /* 7.7.48 */
    874. 

  874.     {GTP_EXT_APN_RES,               "APN Restriction"},   /* 3G */
    875. 

  875.     {GTP_EXT_RA_PRIO_LCS,           "Radio Priority LCS"},    /* 7.7.25B */
    876. 

  876.     {GTP_EXT_RAT_TYPE,              "RAT Type"}, /* 3G */
    877. 

  877.     {GTP_EXT_USR_LOC_INF,           "User Location Information"}, /* 7.7.51 */
    878. 

  878.     {GTP_EXT_MS_TIME_ZONE,          "MS Time Zone"}, /* 7.7.52 */
    879. 

  879. 

  880.     {GTP_EXT_IMEISV,                "IMEI(SV)"},   /* 3G */
    881. 

  881.     {GTP_EXT_CAMEL_CHG_INF_CON,     "CAMEL Charging Information Container"},    /* 7.7.54 */
    882. 

  882.     {GTP_EXT_MBMS_UE_CTX,           "MBMS UE Context"},   /* 7.7.55 */
    883. 

  883.     {GTP_EXT_TMGI,                  "Temporary Mobile Group Identity (TMGI)"},   /* 7.7.56 */
    884. 

  884.     {GTP_EXT_RIM_RA,                "RIM Routing Address"},    /* 7.7.57 */
    885. 

  885.     {GTP_EXT_MBMS_PROT_CONF_OPT,    "MBMS Protocol Configuration Options"},    /* 7.7.58 */
    886. 

  886.     {GTP_EXT_MBMS_SA,               "MBMS Service Area"}, /* 7.7.60 */
    887. 

  887.     {GTP_EXT_SRC_RNC_PDP_CTX_INF,   "Source RNC PDCP context info"},  /* 7.7.61 */
    888. 

  888.     {GTP_EXT_ADD_TRS_INF,           "Additional Trace Info"}, /* 7.7.62 */
    889. 

  889.     {GTP_EXT_HOP_COUNT,             "Hop Counter"}, /* 7.7.63 */
    890. 

  890.     {GTP_EXT_SEL_PLMN_ID,           "Selected PLMN ID"},  /* 7.7.64 */
    891. 

  891.     {GTP_EXT_MBMS_SES_ID,           "MBMS Session Identifier"},   /* 7.7.65 */
    892. 

  892.     {GTP_EXT_MBMS_2G_3G_IND,        "MBMS 2G/3G Indicator"},   /* 7.7.66 */
    893. 

  893.     {GTP_EXT_ENH_NSAPI,             "Enhanced NSAPI"},  /* 7.7.67 */
    894. 

  894.     {GTP_EXT_MBMS_SES_DUR,          "MBMS Session Duration"},    /* 7.7.59 */
    895. 

  895.     {GTP_EXT_ADD_MBMS_TRS_INF,      "Additional MBMS Trace Info"},   /* 7.7.68 */
    896. 

  896.     {GTP_EXT_MBMS_SES_ID_REP_NO,    "MBMS Session Identity Repetition Number"},    /* 7.7.69 */
    897. 

  897.     {GTP_EXT_MBMS_TIME_TO_DATA_TR,  "MBMS Time To Data Transfer"},   /* 7.7.70 */
    898. 

  898.     {GTP_EXT_PS_HO_REQ_CTX,         "PS Handover Request Context"}, /* 7.7.71 */
    899. 

  899.     {GTP_EXT_BSS_CONT,              "BSS Container"},    /* 7.7.72 */
    900. 

  900.     {GTP_EXT_CELL_ID,               "Cell Identification"},   /* 7.7.73 */
    901. 

  901.     {GTP_EXT_PDU_NO,                "PDU Numbers"},    /* 7.7.74 */
    902. 

  902.     {GTP_EXT_BSSGP_CAUSE,           "BSSGP Cause"},   /* 7.7.75 */
    903. 

  903.     {GTP_EXT_REQ_MBMS_BEARER_CAP,   "Required MBMS bearer capabilities"}, /* 7.7.76 */
    904. 

  904.     {GTP_EXT_RIM_ROUTING_ADDR_DISC, "RIM Routing Address Discriminator"},   /* 7.7.77 */
    905. 

  905.     {GTP_EXT_LIST_OF_SETUP_PFCS,    "List of set-up PFCs"},    /* 7.7.78 */
    906. 

  906. /* 180 */  {GTP_EXT_PS_HANDOVER_XIP_PAR, "  PS Handover XID Parameters"},                  /* 7.7.79 */
    907. 

  907. /* 181 */  {GTP_EXT_MS_INF_CHG_REP_ACT,     "MS Info Change Reporting Action"},            /* 7.7.80 */
    908. 

  908. /* 182 */  {GTP_EXT_DIRECT_TUNNEL_FLGS,     "Direct Tunnel Flags"},                        /* 7.7.81 */
    909. 

  909. /* 183 */  {GTP_EXT_CORRELATION_ID,         "Correlation-ID"},                             /* 7.7.82 */
    910. 

  910. /* 184 */  {GTP_EXT_BEARER_CONTROL_MODE,    "Bearer Control Mode"},                        /* 7.7.83 */
    911. 

  911. /* 185 */  {GTP_EXT_MBMS_FLOW_ID,           "MBMS Flow Identifier"},                       /* 7.7.84 */
    912. 

  912. /* 186 */  {GTP_EXT_MBMS_IP_MCAST_DIST,     "MBMS IP Multicast Distribution"},             /* 7.7.85 */
    913. 

  913. /* 187 */  {GTP_EXT_MBMS_DIST_ACK,          "MBMS Distribution Acknowledgement"},          /* 7.7.86 */
    914. 

  914. /* 188 */  {GTP_EXT_RELIABLE_IRAT_HO_INF,   "Reliable INTER RAT HANDOVER INFO"},           /* 7.7.87 */
    915. 

  915. /* 189 */  {GTP_EXT_RFSP_INDEX,             "RFSP Index"},                                 /* 7.7.88 */
    916. 

  916. /* 190 */  {GTP_EXT_FQDN,                   "Fully Qualified Domain Name (FQDN)"},         /* 7.7.90 */
    917. 

  917. /* 191 */  {GTP_EXT_EVO_ALLO_RETE_P1,       "Evolved Allocation/Retention Priority I"},    /* 7.7.91 */
    918. 

  918. /* 192 */  {GTP_EXT_EVO_ALLO_RETE_P2,       "Evolved Allocation/Retention Priority II"},   /* 7.7.92 */
    919. 

  919. /* 193 */  {GTP_EXT_EXTENDED_COMMON_FLGS,   "Extended Common Flags"},                      /* 7.7.93 */
    920. 

  920. /* 194 */  {GTP_EXT_UCI,                    "User CSG Information (UCI)"},                 /* 7.7.94 */
    921. 

  921. /* 195 */  {GTP_EXT_CSG_INF_REP_ACT,        "CSG Information Reporting Action"},           /* 7.7.95 */
    922. 

  922. /* 196 */  {GTP_EXT_CSG_ID,                 "CSG ID"},                                     /* 7.7.96 */
    923. 

  923. /* 197 */  {GTP_EXT_CMI,                    "CSG Membership Indication (CMI)"},            /* 7.7.97 */
    924. 

  924. /* 198 */  {GTP_EXT_AMBR,                   "Aggregate Maximum Bit Rate (AMBR)"},          /* 7.7.98 */
    925. 

  925. /* 199 */  {GTP_EXT_UE_NETWORK_CAP,         "UE Network Capability"},                      /* 7.7.99 */
    926. 

  926. /* 200 */  {GTP_EXT_UE_AMBR,                "UE-AMBR"},                                    /* 7.7.100 */
    927. 

  927. /* 201 */  {GTP_EXT_APN_AMBR_WITH_NSAPI,    "APN-AMBR with NSAPI"},                        /* 7.7.101 */
    928. 

  928. /* 202 */  {GTP_EXT_GGSN_BACK_OFF_TIME,     "GGSN Back-Off Time"},                         /* 7.7.102 */
    929. 

  929. /* 203 */  {GTP_EXT_SIG_PRI_IND,            "Signalling Priority Indication"},             /* 7.7.103 */
    930. 

  930. /* 204 */  {GTP_EXT_SIG_PRI_IND_W_NSAPI,    "Signalling Priority Indication with NSAPI"},  /* 7.7.104 */
    931. 

  931. /* 205 */  {GTP_EXT_HIGHER_BR_16MB_FLG,     "Higher bitrates than 16 Mbps flag"},          /* 7.7.105  */
    932. 

  932. /* 206 */  {GTP_EXT_MAX_MBR_APN_AMBR,       "Max MBR/APN-AMBR"},                           /* 7.7.106  */
    933. 

  933. /* 207 */  {GTP_EXT_ADD_MM_CTX_SRVCC,       "Additional MM context for SRVCC"},            /* 7.7.107  */
    934. 

  934. /* 208 */  {GTP_EXT_ADD_FLGS_SRVCC,         "Additional flags for SRVCC"},                 /* 7.7.108  */
    935. 

  935. /* 209 */  {GTP_EXT_STN_SR,                 "STN-SR"},                                     /* 7.7.109  */
    936. 

  936. /* 210 */  {GTP_EXT_C_MSISDN,               "C-MSISDN"},                                   /* 7.7.110  */
    937. 

  937. /* 211 */  {GTP_EXT_EXT_RANAP_CAUSE,        "Extended RANAP Cause"},                       /* 7.7.111  */
    938. 

  938. /* 212-238 TLV Spare. For future use. */
    939. 

  939. /* 239-250 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
    940. 

  940. /* 249 */  {GTP_EXT_REL_PACK,  "Sequence numbers of released packets IE"},  /* charging */
    941. 

  941. /* 250 */  {GTP_EXT_CAN_PACK,  "Sequence numbers of canceled packets IE"},  /* charging */
    942. 

  942. /* 251 */  {GTP_EXT_CHRG_ADDR, "Charging Gateway address"},                 /* 7.7.44 */
    943. 

  943. /* 252-254 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
    944. 

  944. /* 252 */  {GTP_EXT_DATA_REQ,  "Data record packet"},                       /* charging */
    945. 

  945. /* 253 */  {GTP_EXT_DATA_RESP, "Requests responded"},                       /* charging */
    946. 

  946. /* 254 */  {GTP_EXT_NODE_ADDR, "Address of recommended node"},              /* charging */
    947. 

  947. /* 255 */  {GTP_EXT_PRIV_EXT,  "Private Extension"},
    948. 

  948.     {0, NULL}
    949. 

  949. };
    950. 

  950. static value_string_ext gtp_val_ext = VALUE_STRING_EXT_INIT(gtp_val);
    951. 

  951. 

  952. /* It seems like some IE's are renamed in gtpv1 at least reading
    953. 

  953.  * 3GPP TS 29.060 version 6.11.0 Release 6
    954. 

  954.  */
    955. 

  955. static const value_string gtpv1_val[] = {
    956. 

  956. /*   1 */  {GTP_EXT_CAUSE,                 "Cause of operation"},
    957. 

  957. /*   2 */  {GTP_EXT_IMSI,                  "IMSI"},
    958. 

  958. /*   3 */  {GTP_EXT_RAI,                   "Routing Area Identity"},
    959. 

  959. /*   4 */  {GTP_EXT_TLLI,                  "Temporary Logical Link Identity"},
    960. 

  960. /*   5 */  {GTP_EXT_PTMSI,                 "Packet TMSI"},
    961. 

  961. /*   6 */  {GTP_EXT_QOS_GPRS,           …
    962.

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