| blob | e2b8ec0818a75c49537652a5c40b204735253f11 |
1 /* packet-nas_eps.c
2 * Routines for Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS) dissection
3 *
4 * Copyright 2008 - 2010, Anders Broman <anders.broman@ericsson.com>
5 *
6 * $Id$
7 *
8 * Wireshark - Network traffic analyzer
9 * By Gerald Combs <gerald@wireshark.org>
10 * Copyright 1998 Gerald Combs
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 *
26 * References: 3GPP TS 24.301 V11.5.0 (2012-12)
27 */
31 #include <glib.h>
32 #include <epan/packet.h>
33 #include <epan/asn1.h>
34 #include <epan/prefs.h>
35 #include <epan/wmem/wmem.h>
46 /* Initialize the protocol and registered fields */
49 /* Dissector handles */
53 /* Forward declaration */
54 static void disect_nas_eps_esm_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
206 /* ESM */
211 /* Initialize the subtree pointers */
218 /* Global variables */
223 /* Table 9.8.1: Message types for EPS mobility management
224 * 0 1 - - - - - - EPS mobility management messages
225 */
262 };
265 /* Table 9.8.2: Message types for EPS session management */
292 };
316 };
317 static value_string_ext security_header_type_vals_ext = VALUE_STRING_EXT_INIT(security_header_type_vals);
320 {
333 DE_EPS_COMMON_NONE /* NONE */
334 }
335 nas_eps_common_elem_idx_t;
340 { DE_EPS_CMN_EPS_BE_CTX_STATUS, "EPS bearer context status" }, /* 9.9.2.1 EPS bearer context status */
341 { DE_EPS_CMN_LOC_AREA_ID, "Location area identification" }, /* 9.9.2.2 Location area identification */
345 { DE_EPS_NAS_SEC_PAR_FROM_EUTRA, "NAS security parameters from E-UTRA" },/* 9.9.2.6 NAS security parameters from E-UTRA */
346 { DE_EPS_NAS_SEC_PAR_TO_EUTRA, "NAS security parameters to E-UTRA" }, /* 9.9.2.7 NAS security parameters to E-UTRA */
348 /* 9.9.2.9 Spare half octet */
351 };
352 value_string_ext nas_eps_common_elem_strings_ext = VALUE_STRING_EXT_INIT(nas_eps_common_elem_strings);
354 /* Utility functions */
355 static guint16
361 }
364 }
367 }
369 }
370 static guint32
376 }
379 }
382 }
385 }
388 }
389 static guint32
395 }
398 }
401 }
404 }
407 }
409 #define NUM_NAS_EPS_COMMON_ELEM (sizeof(nas_eps_common_elem_strings)/sizeof(value_string))
412 /*
413 * 9.9.2 Common information elements
414 */
416 /* 9.9.2.0 Additional information */
417 static guint16
421 {
433 /* LPP */
438 }
441 }
443 /*
444 * 9.9.2.1 EPS bearer context status
445 */
448 "BEARER CONTEXT-INACTIVE"
449 };
451 static guint16
455 {
456 guint32 curr_offset;
460 /* EBI(7) EBI(6) EBI(5) EBI(4) EBI(3) EBI(2) EBI(1) EBI(0) octet 3 */
464 /* EBI(0) - EBI(4): Bits 0 to 4 of octet 3 are spare and shall be coded as zero. */
470 curr_offset++;
471 /* EBI(15) EBI(14) EBI(13) EBI(12) EBI(11) EBI(10) EBI(9) EBI(8) octet 4 */
482 }
483 /*
484 * 9.9.2.2 Location area identification
485 * See subclause 10.5.1.3 in 3GPP TS 24.008 [6].
486 */
487 /*
488 * 9.9.2.3 Mobile identity
489 * See subclause 10.5.1.4 in 3GPP TS 24.008 [6].
490 * exported from gsm_a_common
491 */
493 /*
494 * 9.9.2.4 Mobile station classmark 2
495 * See subclause 10.5.1.6 in 3GPP TS 24.008 [13].
496 */
497 /*
498 * 9.9.2.5 Mobile station classmark 3
499 * See subclause 10.5.1.7 in 3GPP TS 24.008 [13].
500 */
502 /*
503 * 9.9.2.6 NAS security parameters from E-UTRA
504 */
505 guint16
509 {
510 guint32 curr_offset;
514 /* DL NAS COUNT value (short) (octet 2, bit 1 to 4)
515 * This field contains the 4 least significant bits of the binary representation of the downlink
516 * NAS COUNT value applicable when this information element is sent.
517 */
522 }
524 /*
525 * 9.9.2.7 NAS security parameters to E-UTRA
526 */
527 guint16
531 {
532 guint32 curr_offset;
535 /* NonceMME value (octet 1 to 5)
536 * This field is coded as the nonce value in the Nonce information element (see subclause 9.9.3.25).
537 */
540 /* type of ciphering algorithm (octet 6, bit 5 to 7)
541 * These fields are coded as the type of integrity protection algorithm and type of ciphering algorithm
542 * in the NAS security algorithms information element (see subclause 9.9.3.23).
543 * Bit 4 and 8 of octet 6 are spare and shall be coded as zero.
544 */
547 /* Type of integrity protection algorithm (octet 6, bit 1 to 3)*/
548 proto_tree_add_bits_item(tree, hf_nas_eps_spare_bits, tvb, (curr_offset<<3)+4, 1, ENC_BIG_ENDIAN);
550 curr_offset++;
551 /*
552 * NAS key set identifier (octet 7, bit 1 to 3) and
553 * type of security context flag (TSC) (octet 7, bit 4)
554 * These fields are coded as the NAS key set identifier and type of security context flag in the
555 * NAS key set identifier information element (see subclause 9.9.3.21).
556 * Bit 5 to 8 of octet 7 are spare and shall be coded as zero.
557 */
559 /* Type of security context flag (TSC) V 1/2 */
561 /* NAS key set identifier */
562 proto_tree_add_bits_item(tree, hf_nas_eps_emm_nas_key_set_id, tvb, (curr_offset<<3)+5, 3, ENC_BIG_ENDIAN);
563 curr_offset++;
565 }
567 /*
568 * 9.9.2.8 PLMN list
569 * See subclause 10.5.1.13 in 3GPP TS 24.008 [6].
570 */
571 /*
572 * 9.9.2.9 Spare half octet
573 * This element is used in the description of EMM and ESM messages when an odd number of
574 * half octet type 1 information elements are used. This element is filled with spare bits
575 * set to zero and is placed in bits 5 to 8 of the octet unless otherwise specified.
576 * Coded Inline
577 */
579 /*
580 * 9.9.2.10 Supported codec list
581 * See subclause 10.5.4.32 in 3GPP TS 24.008 [13].
582 * Dissected in packet-gsm_a_dtap.c
583 */
588 /* 9.9.2 Common information elements */
602 };
605 /* 9.9.3 EPS Mobility Management (EMM) information elements */
608 { DE_EMM_AUTH_FAIL_PAR, "Authentication failure parameter" }, /* 9.9.3.1 Authentication failure parameter */
610 { DE_EMM_AUTH_PAR_RAND, "Authentication parameter RAND" }, /* 9.9.3.3 Authentication parameter RAND */
611 { DE_EMM_AUTH_RESP_PAR, "Authentication response parameter" }, /* 9.9.3.4 Authentication response parameter */
620 { DE_EMM_EPS_NET_FEATURE_SUP, "EPS network feature support" }, /* 9.9.3.12A EPS network feature support */
624 { DE_EMM_GPRS_TIMER, "GPRS timer" }, /* 9.9.3.16 GPRS timer ,See subclause 10.5.7.3 in 3GPP TS 24.008 [6]. */
625 { DE_EMM_GPRS_TIMER_2, "GPRS timer 2" }, /* 9.9.3.16A GPRS timer 2, See subclause 10.5.7.4 in 3GPP TS 24.008. */
626 { DE_EMM_GPRS_TIMER_3, "GPRS timer 3" }, /* 9.9.3.16B GPRS timer 3, See subclause 10.5.7.4a in 3GPP TS 24.008. */
627 { DE_EMM_ID_TYPE_2, "Identity type 2" }, /* 9.9.3.17 Identity type 2 ,See subclause 10.5.5.9 in 3GPP TS 24.008 [6]. */
628 { DE_EMM_IMEISV_REQ, "IMEISV request" }, /* 9.9.3.18 IMEISV request ,See subclause 10.5.5.10 in 3GPP TS 24.008 [6]. */
630 { DE_EMM_MS_NET_CAP, "MS network capability" }, /* 9.9.3.20 MS network capability ,See subclause 10.5.5.12 in 3GPP TS 24.008 [6]. */
631 { DE_EMM_MS_NET_FEAT_SUP, "MS network feature support" }, /* 9.9.3.20A MS network feature support, See subclause 10.5.1.15 in 3GPP TS 24.008. */
635 { DE_EMM_NET_NAME, "Network name" }, /* 9.9.3.24 Network name, See subclause 10.5.3.5a in 3GPP TS 24.008 [6]. */
638 { DE_EMM_P_TMSI_SIGN, "P-TMSI signature" }, /* 9.9.3.26 P-TMSI signature, See subclause 10.5.5.8 in 3GPP TS 24.008 [6]. */
639 { DE_EMM_SERV_TYPE, "Service type" }, /* 9.9.3.27 Service type ,See subclause 10.5.5.15 in 3GPP TS 24.008 [6]. */
641 { DE_EMM_TZ, "Time zone" }, /* 9.9.3.29 Time zone, See subclause 10.5.3.8 in 3GPP TS 24.008 [6]. */
642 { DE_EMM_TZ_AND_T, "Time zone and time" }, /* 9.9.3.30 Time zone and time, See subclause 10.5.3.9 in 3GPP TS 24.008 [6]. */
643 { DE_EMM_TMSI_STAT, "TMSI status" }, /* 9.9.3.31 TMSI status, See subclause 10.5.5.4 in 3GPP TS 24.008 [6]. */
645 { DE_EMM_TRAC_AREA_ID_LST, "Tracking area identity list" }, /* 9.9.3.33 Tracking area identity list */
647 { DE_EMM_UE_RA_CAP_INF_UPD_NEED, "UE radio capability information update needed" },/* 9.9.3.35 UE radio capability information update needed */
654 { DE_EMM_GEN_MSG_CONT_TYPE, "Generic message container type" }, /* 9.9.3.42 Generic message container type */
656 { DE_EMM_VOICE_DMN_PREF, "Voice domain preference and UEs usage setting" },/* 9.9.3.44 Voice domain preference and UEs usage setting */
659 };
662 #define NUM_NAS_EMM_ELEM (sizeof(nas_emm_elem_strings)/sizeof(value_string))
665 #if 0
666 /* This enum has been moved to packet-gsm_a_common to
667 make it possible to use element dissection from this dissector
668 in other dissectors.
669 It is left here as a comment for easier reference.
670 */
671 /*
672 Note this enum must be of the same size as the element decoding list
673 */
675 {
676 /* 9.9.3 EPS Mobility Management (EMM) information elements */
679 DE_EMM_AUTH_FAIL_PAR, /* 9.9.3.1 Authentication failure parameter (dissected in packet-gsm_a_dtap.c)*/
699 DE_EMM_IMEISV_REQ, /* 9.9.3.18 IMEISV request ,See subclause 10.5.5.10 in 3GPP TS 24.008 [6]. */
701 DE_EMM_MS_NET_CAP, /* 9.9.3.20 MS network capability ,See subclause 10.5.5.12 in 3GPP TS 24.008 [6]. */
702 DE_EMM_MS_NET_FEAT_SUP, /* 9.9.3.20A MS network feature support, See subclause 10.5.1.15 in 3GPP TS 24.008. */
709 DE_EMM_P_TMSI_SIGN, /* 9.9.3.26 P-TMSI signature, See subclause 10.5.5.8 in 3GPP TS 24.008 [6]. */
713 DE_EMM_TZ_AND_T, /* 9.9.3.30 Time zone and time, See subclause 10.5.3.9 in 3GPP TS 24.008 [6]. */
729 DE_EMM_NONE /* NONE */
730 }
731 nas_emm_elem_idx_t;
732 #endif
734 /* TODO: Update to latest spec */
735 /* 9.9.3 EPS Mobility Management (EMM) information elements
736 */
737 /*
738 * 9.9.3.0A Additional update result
739 */
746 };
747 static guint16
751 {
760 curr_offset++;
763 }
764 /*
765 * 9.9.3.0B Additional update type
766 */
772 };
773 static guint16
777 {
785 proto_tree_add_bits_item(tree, hf_nas_eps_emm_add_upd_type, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
786 curr_offset++;
789 }
790 /*
791 * 9.9.3.1 Authentication failure parameter
792 * See subclause 10.5.3.2.2 in 3GPP TS 24.008 [6].
793 * (dissected in packet-gsm_a_dtap.c)
794 */
795 /*
796 * 9.9.3.2 Authentication parameter AUTN
797 * See subclause 10.5.3.1.1 in 3GPP TS 24.008 [6].
798 */
799 /*
800 * 9.9.3.3 Authentication parameter RAND
801 * See subclause 10.5.3.1 in 3GPP TS 24.008 [6].
802 */
803 /*
804 * 9.9.3.4 Authentication response parameter
805 */
806 static guint16
810 {
811 guint32 curr_offset;
818 }
819 /*
820 * 9.9.3.4A Ciphering key sequence number
821 * See subclause 9.9.3.19 in 3GPP TS 24.008 [13].
822 */
824 /*
825 * 9.9.3.5 CSFB response
826 */
828 /*
829 * CSFB response value (octet 1)
830 */
836 };
838 static guint16
842 {
847 /* bit 4 Spare */
852 curr_offset++;
855 }
856 /*
857 * 9.9.3.6 Daylight saving time
858 * See subclause 10.5.3.12 in 3GPP TS 24.008 [6].
859 */
860 /*
861 * 9.9.3.7 Detach type
862 * Coded inline
863 */
874 };
875 /* Type of detach (octet 1)
876 * In the UE to network direction:
877 */
883 "combined EPS/IMSI detach" in this version of the protocol.*/
888 };
890 /*
891 * In the network to UE direction:
892 */
899 "re-attach not required" in this version of the protocol.*/
904 };
906 /*
907 * 9.9.3.8 DRX parameter
908 * See subclause 10.5.5.6 in 3GPP TS 24.008 [13].
909 */
910 /*
911 * 9.9.3.9 EMM cause
912 */
951 };
952 value_string_ext nas_eps_emm_cause_values_ext = VALUE_STRING_EXT_INIT(nas_eps_emm_cause_values);
954 static guint16
958 {
959 guint32 curr_offset;
964 curr_offset++;
967 /*
968 * 9.9.3.10 EPS attach result
969 */
981 };
982 /* Coded inline */
984 /*
985 * 9.9.3.11 EPS attach type
986 */
998 };
999 /* Coded inline */
1001 /*
1002 * 9.9.3.12 EPS mobile identity
1003 */
1008 guint8 octet;
1017 /* Get identity digit 1 */
1020 offset++;
1022 /* Loop on following octets to retrieve other identity digits */
1027 i++;
1029 /*
1030 * unpack second value in byte
1031 */
1038 i++;
1039 offset++;
1041 }
1044 }
1056 };
1057 static guint16
1061 {
1062 guint32 curr_offset;
1063 guint8 octet;
1070 /* Type of identity (octet 3) */
1075 /* IMSI */
1081 /* IMEI */
1087 /* GUTI */
1088 curr_offset++;
1090 /* MME Group ID octet 7 - 8 */
1093 /* MME Code Octet 9 */
1095 curr_offset++;
1096 /* M-TMSI Octet 10 - 13 */
1098 /*curr_offset+=4;*/
1103 }
1106 }
1108 /*
1109 * 9.9.3.12A EPS network feature support
1110 */
1113 "network does not support use of EXTENDED SERVICE REQUEST to request for packet services"
1114 };
1121 };
1124 "location services via EPC not supported"
1125 };
1128 "emergency bearer services in S1 mode not supported"
1129 };
1132 "IMS voice over PS session in S1 mode not supported"
1133 };
1135 static guint16
1139 {
1155 /*bit_offset += 1;*/
1158 }
1159 /*
1160 * 9.9.3.13 EPS update result
1161 */
1172 };
1174 /*
1175 * 9.9.3.14 EPS update type
1176 */
1179 "No bearer establishment requested"
1180 };
1192 };
1194 /*
1195 * 9.9.3.15 ESM message container
1196 */
1197 static guint16
1201 {
1205 guint32 curr_offset;
1213 /* This IE can contain any ESM PDU as defined in subclause 8.3. */
1215 /* Plain NAS message */
1219 }
1220 /*
1221 * 9.9.3.16 GPRS timer
1222 * See subclause 10.5.7.3 in 3GPP TS 24.008 [6].
1223 * packet-gsm_a_gm.c
1224 */
1225 /*
1226 * 9.9.3.16A GPRS timer 2
1227 * See subclause 10.5.7.4 in 3GPP TS 24.008.
1228 * packet-gsm_a_gm.c
1229 */
1230 /*
1231 * 9.9.3.16B GPRS timer 3
1232 * See subclause 10.5.7.4a in 3GPP TS 24.008.
1233 * packet-gsm_a_gm.c
1234 */
1235 /*
1236 * 9.9.3.17 Identity type 2
1237 * See subclause 10.5.5.9 in 3GPP TS 24.008 [6].
1238 */
1245 };
1247 /*
1248 * 9.9.3.18 IMEISV request
1249 * See subclause 10.5.5.10 in 3GPP TS 24.008 [6].
1250 */
1251 /* IMEISV request value (octet 1) */
1262 };
1263 static guint16
1267 {
1268 guint32 curr_offset;
1277 curr_offset++;
1280 }
1281 /*
1282 * 9.9.3.19 KSI and sequence number
1283 */
1284 static guint16
1288 {
1289 guint32 curr_offset;
1295 proto_tree_add_bits_item(tree, hf_nas_eps_emm_nas_key_set_id, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
1298 curr_offset++;
1301 }
1303 /*
1304 * 9.9.3.20 MS network capability
1305 * See subclause 10.5.5.12 in 3GPP TS 24.008 [6].
1306 * packet-gsm_a_gm.c
1307 */
1308 /*
1309 * 9.9.3.20A MS network feature support
1310 * See subclause 10.5.1.15 in 3GPP TS 24.008.
1311 * packet-gsm_a_gm.c
1312 */
1313 /*
1314 * 9.9.3.21 NAS key set identifier
1315 */
1316 /*
1317 * Type of security context flag (TSC) (octet 1)
1318 */
1321 "Native security context (for KSIasme)"
1322 };
1324 /* NAS key set identifier (octet 1) Bits 3 2 1 */
1336 };
1338 /* Takes bit offset as input and consumes 4 bits */
1339 static void
1340 de_emm_nas_key_set_id_bits(tvbuff_t *tvb, proto_tree *tree, guint32 bit_offset, const gchar *add_string)
1341 {
1344 /* Type of security context flag (TSC) (octet 1) V 1/2 */
1346 bit_offset++;
1347 /* NAS key set identifier (octet 1) */
1348 item = proto_tree_add_bits_item(tree, hf_nas_eps_emm_nas_key_set_id, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
1351 }
1352 /*bit_offset+=3;*/
1353 }
1354 /*
1355 * Note used for TV Short
1356 */
1357 static guint16
1361 {
1366 /* Get the bit offset of the lover half of the octet bits 4 - 1 */
1370 /* Type of security context flag (TSC) (octet 1) V 1/2 */
1372 bit_offset++;
1373 /* NAS key set identifier (octet 1) */
1374 proto_tree_add_bits_item(tree, hf_nas_eps_emm_nas_key_set_id, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
1375 /*bit_offset+=3;*/
1376 curr_offset++;
1379 }
1381 /*
1382 * 9.9.3.22 NAS message container
1383 */
1384 static guint16
1388 {
1392 guint32 curr_offset;
1396 /* NAS message container contents (octet 3 to octet n)
1397 * This IE can contain an SMS message (i.e. CP-DATA, CP-ACK or CP-ERROR)
1398 * as defined in subclause 7.2 in 3GPP TS 24.011 [13A].
1399 */
1409 }
1410 /*
1411 * 9.9.3.23 NAS security algorithms
1412 */
1413 /* Type of integrity protection algorithm (octet 2, bit 1 to 3) */
1424 };
1426 /* Type of ciphering algorithm (octet 2, bit 5 to 7) */
1438 };
1439 static guint16
1443 {
1445 guint32 curr_offset;
1450 /* Bit 4 and 8 of octet 2 are spare and shall be coded as zero. */
1452 /* Type of ciphering algorithm (octet 2, bit 5 to 7) */
1455 /* Bit 4 and 8 of octet 2 are spare and shall be coded as zero. */
1457 /* Type of integrity protection algorithm (octet 2, bit 1 to 3) */
1460 curr_offset++;
1463 }
1464 /*
1465 * 9.9.3.24 Network name
1466 * See subclause 10.5.3.5a in 3GPP TS 24.008 [6].
1467 */
1468 /*
1469 * 9.9.3.25 Nonce
1470 */
1471 static guint16
1475 {
1476 guint32 curr_offset;
1484 }
1485 /*
1486 * 9.9.3.25A Paging identity
1487 */
1490 "IMSI"
1491 };
1493 static guint16
1497 {
1498 guint32 curr_offset;
1503 proto_tree_add_bits_item(tree, hf_nas_eps_emm_paging_id, tvb, (curr_offset<<3)+7, 1, ENC_BIG_ENDIAN);
1504 /*curr_offset+=len;*/
1507 }
1508 /*
1509 * 9.9.3.26 P-TMSI signature
1510 * See subclause 10.5.5.8 in 3GPP TS 24.008 [6].
1511 */
1512 /*
1513 * 9.9.3.27 Service type
1514 */
1522 };
1524 /*
1525 * 9.9.3.28 Short MAC
1526 */
1527 static guint16
1531 {
1532 guint32 curr_offset;
1541 }
1542 /*
1543 * 9.9.3.29 Time zone
1544 * See subclause 10.5.3.8 in 3GPP TS 24.008 [6].
1545 */
1546 /*
1547 * 9.9.3.30 Time zone and time
1548 * See subclause 10.5.3.9 in 3GPP TS 24.008 [6].
1549 */
1550 /*
1551 * 9.9.3.31 TMSI status
1552 * See subclause 10.5.5.4 in 3GPP TS 24.008 [6].
1553 */
1554 /*
1555 * 9.9.3.32 Tracking area identity
1556 */
1558 guint16
1562 {
1563 guint32 curr_offset;
1572 }
1573 /*
1574 * 9.9.3.33 Tracking area identity list
1575 */
1576 /* Type of list (octet 1)
1577 * Bits 7 6
1578 */
1584 };
1586 static guint16
1590 {
1592 guint32 curr_offset;
1599 /* Type of list (octet 1) Bits 7 6 */
1601 /* Number of elements (octet 1) Bits 5 4 3 2 1 */
1605 item = proto_tree_add_item(tree, hf_nas_eps_emm_tai_n_elem, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1609 curr_offset++;
1611 proto_tree_add_text(tree, tvb, curr_offset, len-(curr_offset-offset) , "Unknown type of list ( Not in 3GPP TS 24.301 version 8.1.0 Release 8 )");
1613 }
1617 /* MCC digit 2 MCC digit 1 octet 2
1618 * MNC digit 3 MCC digit 3 octet 3
1619 * MNC digit 2 MNC digit 1 octet 4
1620 */
1622 /* type of list = "000" */
1623 /* TAC 1 octet 5
1624 * TAC 1 (continued) octet 6
1625 * ...
1626 * ...
1627 * TAC k octet 2k+3*
1628 * TAC k (continued) octet 2k+4*
1629 */
1633 }
1639 /* type of list = "010" */
1640 /* MCC digit 2 MCC digit 1 octet 2
1641 * MNC digit 3 MCC digit 3 octet 3
1642 * MNC digit 2 MNC digit 1 octet 4
1643 */
1652 }
1655 /* type of list = "001" */
1656 /* MCC digit 2 MCC digit 1 octet 2
1657 * MNC digit 3 MCC digit 3 octet 3
1658 * MNC digit 2 MNC digit 1 octet 4
1659 */
1663 }
1666 /* Unknown ( Not in 3GPP TS 24.301 version 8.1.0 Release 8 ) */
1668 }
1672 }
1673 /*
1674 * 9.9.3.34 UE network capability
1675 */
1679 "Not Supported"
1680 };
1683 "The UE has a preference for the default alphabet"
1684 };
1685 /* H.245-ASH capability (octet 7, bit 6) */
1688 "H.245 after SRVCC handover capability not supported"
1689 };
1690 /* ACC-CSFB capability (octet 7, bit 5) */
1693 "eNodeB-based access class control for CSFB not supported"
1694 };
1695 /* LPP capability (octet 7, bit 4) */
1698 "LTE Positioning Protocol not supported"
1699 };
1700 /* LCS capability (octet 7, bit 3) */
1703 "Location services notification mechanisms not supported"
1704 };
1705 /* 1xSRVCC capability (octet 7, bit 2) */
1708 "SRVCC from E-UTRAN to cdma2000 1x CS not supported"
1709 };
1710 /* NF capability (octet 7, bit 1) */
1713 "Notification procedure not supported"
1714 };
1716 guint16
1720 {
1721 guint32 curr_offset;
1726 /* EPS encryption algorithms supported (octet 3) */
1727 /* EPS encryption algorithm EEA0 supported (octet 3, bit 8) */
1729 /* EPS encryption algorithm 128-EEA1 supported (octet 3, bit 7) */
1731 /* EPS encryption algorithm 128-EEA2 supported (octet 3, bit 6) */
1733 /* EPS encryption algorithm 128-EEA3 supported (octet 3, bit 5) */
1735 /* EPS encryption algorithm EEA4 supported (octet 3, bit 4) */
1737 /* EPS encryption algorithm EEA5 supported (octet 3, bit 3) */
1739 /* EPS encryption algorithm EEA6 supported (octet 3, bit 2) */
1741 /* EPS encryption algorithm EEA7 supported (octet 3, bit 1) */
1743 curr_offset++;
1746 /* EPS integrity algorithms supported (octet 4) */
1747 /* EPS integrity algorithm EIA0 supported (octet 4, bit 8) */
1749 /* EPS integrity algorithm 128-EIA1 supported (octet 4, bit 7) */
1751 /* EPS integrity algorithm 128-EIA2 supported (octet 4, bit 6) */
1753 /* EPS integrity algorithm 128-EIA3 supported (octet 4, bit 5) */
1755 /* EPS integrity algorithm EIA4 supported (octet 4, bit 4) */
1757 /* EPS integrity algorithm EIA5 supported (octet 4, bit 3) */
1759 /* EPS integrity algorithm EIA6 supported (octet 4, bit 2) */
1761 /* EPS integrity algorithm EIA7 supported (octet 4, bit 1) */
1763 curr_offset++;
1766 /* Following octets are optional */
1770 /* UMTS encryption algorithms supported (octet 5)
1771 * UMTS encryption algorithm UEA0 supported (octet 5, bit 8)
1772 */
1773 /* UMTS encryption algorithm 128-UEA0 supported (octet 5, bit 8) */
1775 /* UMTS encryption algorithm 128-UEA1 supported (octet 5, bit 7) */
1777 /* UMTS encryption algorithm 128-UEA2 supported (octet 5, bit 6) */
1779 /* UMTS encryption algorithm 128-UEA3 supported (octet 5, bit 5) */
1781 /* UMTS encryption algorithm 128-UEA4 supported (octet 5, bit 4) */
1783 /* UMTS encryption algorithm 128-UEA5 supported (octet 5, bit 3) */
1785 /* UMTS encryption algorithm 128-UEA6 supported (octet 5, bit 2) */
1787 /* UMTS encryption algorithm 128-UEA7 supported (octet 5, bit 1) */
1789 curr_offset++;
1794 /* UCS2 support (UCS2) (octet 6, bit 8)
1795 * This information field indicates the likely treatment of UCS2 encoded character strings
1796 * by the UE.
1797 */
1799 /* UMTS integrity algorithms supported (octet 6) */
1800 /* UMTS integrity algorithm UIA1 supported (octet 6, bit 7) */
1802 /* UMTS integrity algorithm UIA2 supported (octet 6, bit 6) */
1804 /* UMTS integrity algorithm UIA3 supported (octet 6, bit 5) */
1806 /* UMTS integrity algorithm UIA4 supported (octet 6, bit 4) */
1808 /* UMTS integrity algorithm UIA5 supported (octet 6, bit 3) */
1810 /* UMTS integrity algorithm UIA6 supported (octet 6, bit 2) */
1812 /* UMTS integrity algorithm UIA7 supported (octet 6, bit 1) */
1814 curr_offset++;
1819 /* Bits 8 to 7 of octet 7 are spare and shall be coded as zero. */
1820 proto_tree_add_bits_item(tree, hf_nas_eps_spare_bits, tvb, (curr_offset<<3), 2, ENC_BIG_ENDIAN);
1821 /* H.245-ASH capability (octet 7, bit 6) */
1823 /* ACC-CSFB capability (octet 7, bit 5) */
1825 /* LPP capability (octet 7, bit 4) */
1827 /* LCS capability (octet 7, bit 3) */
1829 /* 1xSRVCC capability (octet 7, bit 2) */
1831 /* NF capability (octet 7, bit 1) */
1833 curr_offset++;
1836 proto_tree_add_bits_item(tree, hf_nas_eps_spare_bits, tvb, (curr_offset<<3), 8, ENC_BIG_ENDIAN);
1837 curr_offset++;
1838 }
1841 }
1842 /* UE radio capability information update needed flag (URC upd) (octet 1) */
1845 "UE radio capability information update not needed"
1846 };
1848 /*
1849 * 9.9.3.35 UE radio capability information update needed
1850 */
1852 static guint16
1856 {
1857 guint32 curr_offset;
1861 proto_tree_add_bits_item(tree, hf_nas_eps_spare_bits, tvb, (curr_offset<<3)+4, 3, ENC_BIG_ENDIAN);
1862 proto_tree_add_item(tree, hf_nas_eps_emm_ue_ra_cap_inf_upd_need_flg, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1865 }
1866 /*
1867 * 9.9.3.36 UE security capability
1868 */
1870 static guint16
1874 {
1875 guint32 curr_offset;
1879 /* EPS encryption algorithms supported (octet 3) */
1880 /* EPS encryption algorithm EEA0 supported (octet 3, bit 8) */
1882 /* EPS encryption algorithm 128-EEA1 supported (octet 3, bit 7) */
1884 /* EPS encryption algorithm 128-EEA2 supported (octet 3, bit 6) */
1886 /* EPS encryption algorithm 128-EEA3 supported (octet 3, bit 5) */
1888 /* EPS encryption algorithm EEA4 supported (octet 3, bit 4) */
1890 /* EPS encryption algorithm EEA5 supported (octet 3, bit 3) */
1892 /* EPS encryption algorithm EEA6 supported (octet 3, bit 2) */
1894 /* EPS encryption algorithm EEA7 supported (octet 3, bit 1) */
1896 curr_offset++;
1899 /* EPS integrity algorithms supported (octet 4) */
1900 /* EPS integrity algorithm EIA0 supported (octet 4, bit 8) */
1902 /* EPS integrity algorithm 128-EIA1 supported (octet 4, bit 7) */
1904 /* EPS integrity algorithm 128-EIA2 supported (octet 4, bit 6) */
1906 /* EPS integrity algorithm 128-EIA3 supported (octet 4, bit 5) */
1908 /* EPS integrity algorithm EIA4 supported (octet 4, bit 4) */
1910 /* EPS integrity algorithm EIA5 supported (octet 4, bit 3) */
1912 /* EPS integrity algorithm EIA6 supported (octet 4, bit 2) */
1914 /* EPS integrity algorithm EIA7 supported (octet 4, bit 1) */
1916 curr_offset++;
1919 /* Octets 5, 6, and 7 are optional. If octet 5 is included,
1920 * then also octet 6 shall be included and octet 7 may be included.
1921 */
1925 /* UMTS encryption algorithms supported (octet 5) */
1926 /* UMTS encryption algorithm UEA0 supported (octet 5, bit 8) */
1928 /* UMTS encryption algorithm UEA1 supported (octet 5, bit 7) */
1930 /* UMTS encryption algorithm UEA2 supported (octet 5, bit 6) */
1932 /* UMTS encryption algorithm UEA3 supported (octet 5, bit 5) */
1934 /* UMTS encryption algorithm UEA4 supported (octet 5, bit 4) */
1936 /* UMTS encryption algorithm UEA5 supported (octet 5, bit 3) */
1938 /* UMTS encryption algorithm UEA6 supported (octet 5, bit 2) */
1940 /* UMTS encryption algorithm UEA7 supported (octet 5, bit 1) */
1942 curr_offset++;
1944 /* UMTS integrity algorithms supported (octet 6) */
1945 /* Bit 8 of octet 6 is spare and shall be coded as zero. */
1946 proto_tree_add_bits_item(tree, hf_nas_eps_spare_bits, tvb, (curr_offset<<3), 1, ENC_BIG_ENDIAN);
1947 /* UMTS integrity algorithm UIA1 supported (octet 6, bit 7) */
1949 /* UMTS integrity algorithm UIA2 supported (octet 6, bit 6) */
1951 /* UMTS integrity algorithm UIA3 supported (octet 6, bit 5) */
1953 /* UMTS integrity algorithm UIA4 supported (octet 6, bit 4) */
1955 /* UMTS integrity algorithm UIA5 supported (octet 6, bit 3) */
1957 /* UMTS integrity algorithm UIA6 supported (octet 6, bit 2) */
1959 /* UMTS integrity algorithm UIA7 supported (octet 6, bit 1) */
1961 curr_offset++;
1966 /* Bit 8 of octet 7 is spare and shall be coded as zero. */
1967 proto_tree_add_bits_item(tree, hf_nas_eps_spare_bits, tvb, (curr_offset<<3), 1, ENC_BIG_ENDIAN);
1968 /* GPRS encryption algorithm GEA1 supported (octet 7, bit 7) */
1970 /* GPRS encryption algorithm GEA2 supported (octet 7, bit 6) */
1972 /* GPRS encryption algorithm GEA3 supported (octet 7, bit 5) */
1974 /* GPRS encryption algorithm GEA4 supported (octet 7, bit 4) */
1976 /* GPRS encryption algorithm GEA5 supported (octet 7, bit 3) */
1978 /* GPRS encryption algorithm GEA6 supported (octet 7, bit 2) */
1980 /* GPRS encryption algorithm GEA7 supported (octet 7, bit 1) */
1982 curr_offset++;
1985 }
1986 /*
1987 * 9.9.3.37 Emergency Number List
1988 * See subclause 10.5.3.13 in 3GPP TS 24.008 [13].
1989 * packet-gsm_a_dtap.c
1990 */
1992 /*
1993 * 9.9.3.38 CLI
1994 */
1996 /*
1997 * The coding of the CLI value part is the same as for octets 3 to 14
1998 * of the Calling party BCD number information element defined in
1999 * subclause 10.5.4.9 of 3GPP TS 24.008
2000 */
2002 /*
2003 * 9.9.3.39 SS Code
2004 */
2005 static guint16
2009 {
2010 guint32 curr_offset;
2014 /*
2015 * SS Code value
2016 * The coding of the SS Code value is given in subclause 17.7.5 of 3GPP TS 29.002 [15B].
2017 * value string imported from gsm map
2018 */
2022 }
2024 /*
2025 * 9.9.3.40 LCS indicator
2026 */
2027 /* LCS indicator value */
2032 };
2035 static guint16
2039 {
2040 guint32 curr_offset;
2048 }
2049 /*
2050 * 9.9.3.41 LCS client identity
2051 */
2052 static guint16
2056 {
2057 guint32 curr_offset;
2062 /* LCS client identity (value part)
2063 * The coding of the value part of the LCS client identity is given
2064 * in subclause 17.7.13 of 3GPP TS 29.002 [15B](GSM MAP).
2065 */
2070 }
2072 /*
2073 * 9.9.3.42 Generic message container type
2074 */
2082 };
2084 static guint16
2088 {
2089 guint32 curr_offset;
2094 proto_tree_add_item(tree, hf_nas_eps_emm_gen_msg_cont_type, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2095 curr_offset++;
2098 }
2099 /*
2100 * 9.9.3.43 Generic message container
2101 */
2102 static guint16
2106 {
2118 /* LPP */
2121 }
2124 /* Location services */
2127 }
2131 }
2134 }
2135 /*
2136 * 9.9.3.44 Voice domain preference and UE's usage setting
2137 * See subclause 10.5.5.28 in 3GPP TS 24.008 [13].
2138 * packet-gsm_a_dtap.c
2139 */
2140 /*
2141 * 9.9.3.45 GUTI type
2142 */
2145 "Native GUTI"
2146 };
2148 static guint16
2152 {
2161 curr_offset++;
2164 }
2166 /*
2167 * 9.9.4 EPS Session Management (ESM) information elements
2168 */
2170 /*
2171 * 9.9.4.1 Access point name
2172 * See subclause 10.5.6.1 in 3GPP TS 24.008 [6].
2173 */
2174 /*
2175 * 9.9.4.2 APN aggregate maximum bit rate
2176 */
2178 static guint16
2182 {
2183 guint32 curr_offset;
2184 guint8 octet;
2190 /* APN-AMBR for downlink octet 3 */
2200 }
2201 curr_offset++;
2203 /* APN-AMBR for uplink octet 4 */
2213 }
2214 curr_offset++;
2217 /* APN-AMBR for downlink (extended) octet 5 */
2225 proto_tree_add_uint_format_value(tree, hf_nas_eps_emm_apn_ambr_dl_ext, tvb, curr_offset, 1, octet,
2227 }
2229 /* APN-AMBR for downlink (extended-2) is not present; display total now */
2231 /* Ignore value indicated by the APN-AMBR for downlink */
2233 }
2235 proto_tree_add_text(tree, tvb, curr_offset, 1,"Total APN-AMBR for downlink : %.3f Mbps", (gfloat)dl_total / 1000);
2237 proto_tree_add_text(tree, tvb, curr_offset, 1,"Total APN-AMBR for downlink : %u kbps", dl_total);
2238 }
2239 }
2240 curr_offset++;
2243 /* APN-AMBR for uplink (extended) octet 6 */
2251 proto_tree_add_uint_format_value(tree, hf_nas_eps_emm_apn_ambr_ul_ext, tvb, curr_offset, 1, octet,
2253 }
2255 /* APN-AMBR for uplink (extended-2) is not present; display total now */
2257 /* Ignore value indicated by the APN-AMBR for uplink */
2259 }
2261 proto_tree_add_text(tree, tvb, curr_offset, 1,"Total APN-AMBR for uplink : %.3f Mbps", (gfloat)ul_total / 1000);
2263 proto_tree_add_text(tree, tvb, curr_offset, 1,"Total APN-AMBR for uplink : %u kbps", ul_total);
2264 }
2265 }
2266 curr_offset++;
2269 /* APN-AMBR for downlink (extended-2) octet 7 */
2276 proto_tree_add_uint_format_value(tree, hf_nas_eps_emm_apn_ambr_dl_ext2, tvb, curr_offset, 1, octet,
2278 }
2279 proto_tree_add_text(tree, tvb, curr_offset, 1,"Total APN-AMBR for downlink : %.3f Mbps", (gfloat)dl_total / 1000);
2280 curr_offset++;
2283 /* APN-AMBR for uplink (extended-2) octet 8 */
2290 proto_tree_add_uint_format_value(tree, hf_nas_eps_emm_apn_ambr_ul_ext2, tvb, curr_offset, 1, octet,
2292 }
2293 proto_tree_add_text(tree, tvb, curr_offset, 1,"Total APN-AMBR for uplink : %.3f Mbps", (gfloat)ul_total / 1000);
2294 curr_offset++;
2297 }
2298 /*
2299 * 9.9.4.2A Connectivity type
2300 * See subclause 10.5.6.19 in 3GPP TS 24.008.
2301 * packet-gsm_a_gm.c
2302 */
2303 /*
2304 * 9.9.4.3 EPS quality of service
2305 */
2307 /* Quality of Service Class Identifier (QCI), octet 3 (see 3GPP TS 23.203 [7]) */
2323 };
2327 guint16
2331 {
2332 guint32 curr_offset;
2333 guint8 octet;
2337 /* QCI octet 3 */
2339 curr_offset++;
2342 /* Maximum bit rate for uplink octet 4 */
2350 }
2351 curr_offset++;
2354 /* Maximum bit rate for downlink octet 5 */
2362 }
2363 curr_offset++;
2366 /* Guaranteed bit rate for uplink octet 6 */
2371 curr_offset++;
2374 /* Guaranteed bit rate for downlink octet 7 */
2379 curr_offset++;
2382 /* Maximum bit rate for uplink (extended) octet 8 */
2392 }
2393 curr_offset++;
2396 /* Maximum bit rate for downlink (extended) octet 9 */
2406 }
2407 curr_offset++;
2410 /* Guaranteed bit rate for uplink (extended) octet 10 */
2420 }
2421 curr_offset++;
2424 /* Guaranteed bit rate for downlink (extended) octet 11 */
2434 }
2435 curr_offset++;
2438 /* Maximum bit rate for uplink (extended-2) octet 12 */
2447 }
2448 curr_offset++;
2449 /* Maximum bit rate for downlink (extended-2) octet 13 */
2458 }
2459 curr_offset++;
2460 /* Guaranteed bit rate for uplink (extended-2) octet 14 */
2469 }
2470 curr_offset++;
2471 /* Guaranted bit rate for downlink (extended-2) octet 15 */
2480 }
2483 }
2484 /*
2485 * 9.9.4.4 ESM cause
2486 */
2534 };
2535 static value_string_ext nas_eps_esm_cause_vals_ext = VALUE_STRING_EXT_INIT(nas_eps_esm_cause_vals);
2537 static guint16
2541 {
2542 guint32 curr_offset;
2547 curr_offset++;
2550 }
2551 /*
2552 * 9.9.4.5 ESM information transfer flag
2553 */
2554 /* EIT (ESM information transfer) */
2557 "Security protected ESM information transfer not required"
2558 };
2559 static guint16
2563 {
2564 guint32 curr_offset;
2569 proto_tree_add_bits_item(tree, hf_nas_eps_spare_bits, tvb, (curr_offset<<3)+4, 3, ENC_BIG_ENDIAN);
2571 curr_offset++;
2573 }
2574 /*
2575 * 9.9.4.6 Linked EPS bearer identity
2576 */
2577 /*
2578 * Linked EPS bearer identity (bits 1-4)
2579 */
2599 };
2601 /*
2602 * 9.9.4.7 LLC service access point identifier
2603 * See subclause 10.5.6.9 in 3GPP TS 24.008
2604 */
2606 /*
2607 * 9.9.4.7a Notification indicator
2608 */
2613 };
2615 static guint16
2619 {
2620 guint32 curr_offset;
2627 }
2629 /*
2630 * 9.9.4.8 Packet flow identifier
2631 * See subclause 10.5.6.11 in 3GPP TS 24.008
2632 */
2633 /*
2634 * 9.9.4.9 PDN address
2635 */
2636 static guint16
2640 {
2641 guint32 curr_offset;
2642 guint8 pdn_type;
2650 curr_offset++;
2654 /* IPv4 */
2659 /* IPv6 3GPP TS 24.301 version 9.4.0 Release 9
2660 * If PDN type value indicates IPv6, the PDN address information in octet 4 to octet 11
2661 * contains an IPv6 interface identifier. Bit 8 of octet 4 represents the most significant bit
2662 * of the IPv6 interface identifier and bit 1 of octet 11 the least significant bit.
2663 */
2668 /* IPv4/IPv6 3GPP TS 24.301 version 9.4.0 Release 9
2669 * If PDN type value indicates IPv4v6, the PDN address information in octet 4 to octet 15
2670 * contains an IPv6 interface identifier and an IPv4 address. Bit 8 of octet 4 represents
2671 * the most significant bit of the IPv6 interface identifier and bit 1 of octet 11 the least
2672 * significant bit. Bit 8 of octet 12 represents the most significant bit of the IPv4 address
2673 * and bit 1 of octet 15 the least significant bit.
2674 */
2682 }
2685 }
2687 /*
2688 * 9.9.4.10 PDN type
2689 * Coded inline 1/2 octet
2690 */
2697 };
2699 /*
2700 * 9.9.4.11 Protocol configuration options
2701 * See subclause 10.5.6.3 in 3GPP TS 24.008
2702 */
2703 /*
2704 * 9.9.4.12 Quality of service
2705 * See subclause 10.5.6.5 in 3GPP TS 24.008
2706 * Coded inline 1/2 octet
2707 */
2708 /*
2709 * 9.9.4.13 Radio priority
2710 * See subclause 10.5.7.2 in 3GPP TS 24.008
2711 */
2712 /*
2713 * 9.9.4.14 Request type
2714 * See subclause 10.5.6.17 in 3GPP TS 24.008
2715 */
2722 };
2724 /*
2725 * 9.9.4.15 Traffic flow aggregate description
2726 * The Traffic flow aggregate description information element is encoded using the same format as the Traffic flow
2727 * template information element (see subclause 10.5.6.12 in 3GPP TS 24.008 [13]). When sending this IE, the UE shall
2728 * assign the packet filter identifier values so that they are unique across all packet filters for the PDN connection.
2729 */
2730 /*
2731 * 9.9.4.16 Traffic flow template
2732 * See subclause 10.5.6.12 in 3GPP TS 24.008
2733 * packet-gsm_a_gm.c
2734 */
2735 /*
2736 * 9.9.4.17 Transaction identifier
2737 * The Transaction identifier information element is coded as the Linked TI information element in 3GPP TS 24.008 [13],
2738 * subclause 10.5.6.7.
2739 * The coding of the TI flag, the TI value and the EXT bit is defined in 3GPP TS 24.007[20].
2740 */
2742 guint16 (*emm_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len) = {
2743 /* 9.9.3 EPS Mobility Management (EMM) information elements */
2762 NULL, /* 9.9.3.16 GPRS timer ,See subclause 10.5.7.3 in 3GPP TS 24.008 [6]. (packet-gsm_a_gm.c)*/
2763 NULL, /* 9.9.3.16A GPRS timer 2, See subclause 10.5.7.4 in 3GPP TS 24.008. (packet-gsm_a_gm.c)*/
2764 NULL, /* 9.9.3.16B GPRS timer 3, See subclause 10.5.7.4a in 3GPP TS 24.008. (packet-gsm_a_gm.c)*/
2766 de_emm_nas_imeisv_req, /* 9.9.3.18 IMEISV request ,See subclause 10.5.5.10 in 3GPP TS 24.008 [6]. */
2768 NULL, /* 9.9.3.20 MS network capability ,See subclause 10.5.5.12 in 3GPP TS 24.008 [6].(packet-gsm_a_gm.c) */
2769 NULL, /* 9.9.3.20A MS network feature support, See subclause 10.5.1.15 in 3GPP TS 24.008.(packet-gsm_a_gm.c) */
2773 NULL, /* 9.9.3.24 Network name, See subclause 10.5.3.5a in 3GPP TS 24.008 [6]. (packet-gsm_a_dtap.c)*/
2776 NULL, /* 9.9.3.26 P-TMSI signature, See subclause 10.5.5.8 in 3GPP TS 24.008 [6]. (packet-gsm_a_gm.c)*/
2779 NULL, /* 9.9.3.29 Time zone, See subclause 10.5.3.8 in 3GPP TS 24.008 [6]. (packet-gsm_a_dtap.c)*/
2780 NULL, /* 9.9.3.30 Time zone and time, See subclause 10.5.3.9 in 3GPP TS 24.008 [6]. (packet-gsm_a_dtap.c)*/
2781 NULL, /* 9.9.3.31 TMSI status, See subclause 10.5.5.4 in 3GPP TS 24.008 [6]. (packet-gsm_a_gm.c)*/
2797 };
2799 /* 9.9.4 EPS Session Management (ESM) information elements */
2801 {
2821 DE_ESM_NONE /* NONE */
2822 }
2823 nas_esm_elem_idx_t;
2827 { DE_ESM_APN_AGR_MAX_BR, "APN aggregate maximum bit rate" }, /* 9.9.4.2 APN aggregate maximum bit rate */
2831 { DE_ESM_INF_TRF_FLG, "ESM information transfer flag" }, /* 9.9.4.5 ESM information transfer flag */
2832 { DE_ESM_LNKED_EPS_B_ID, "Linked EPS bearer identity" }, /* 9.9.4.6 Linked EPS bearer identity */
2833 { DE_ESM_LLC_SAPI, "LLC service access point identifier" }, /* 9.9.4.7 LLC service access point identifier */
2838 { DE_ESM_PROT_CONF_OPT, "Protocol configuration options" }, /* 9.9.4.11 Protocol configuration options */
2842 { DE_ESM_TRAF_FLOW_AGR_DESC, "Traffic flow aggregate description" },/* 9.9.4.15 Traffic flow aggregate description */
2846 };
2849 #define NUM_NAS_ESM_ELEM (sizeof(nas_esm_elem_strings)/sizeof(value_string))
2852 guint16 (*esm_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len) = {
2873 };
2875 /* MESSAGE FUNCTIONS */
2877 /*
2878 * 8.2.1 Attach accept
2879 */
2881 static void
2882 nas_emm_attach_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
2883 {
2885 guint32 consumed;
2886 guint curr_len;
2891 /* Spare half octet Spare half octet 9.9.2.7 M V 1/2 */
2893 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
2895 /* EPS attach result EPS attach result 9.9.3.10 M V 1/2 */
2897 bit_offset++;
2898 proto_tree_add_bits_item(tree, hf_nas_eps_emm_EPS_attach_result, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
2899 /*bit_offset+=3;*/
2900 /* Fix up the lengths */
2901 curr_len--;
2902 curr_offset++;
2903 /* T3412 value GPRS timer 9.9.3.16 M V 1 */
2905 /* Tracking area identity list 9.9.3.33 M LV 7-97 */
2907 /* ESM message container 9.9.3.15 M LV-E 2-n */
2909 /* 50 GUTI EPS mobile identity 9.9.3.12 O TLV 13 */
2911 /* 13 Location area identification Location area identification 9.9.2.2 O TV 6 */
2913 /* 23 MS identity Mobile identity 9.9.2.3 O TLV 7-10 */
2915 /* 53 EMM cause EMM cause 9.9.3.9 O TV 2 */
2917 /* 17 T3402 value GPRS timer 9.9.3.16 O TV 2 */
2919 /* 59 T3423 value GPRS timer 9.9.3.16 O TV 2 */
2921 /* 4A Equivalent PLMNs PLMN list 9.9.2.8 O TLV 5-47 */
2923 /* 34 Emergency Number List 9.9.3.37 O TLV 5-50 */
2925 /* 64 EPS network feature support EPS network feature support 9.9.3.12A O TLV 3 */
2927 /* F- Additional update result Additional update result 9.9.3.0A O TV 1 */
2929 /* 5E T3412 extended value GPRS timer 3 9.9.3.16B O TLV 3 */
2933 }
2934 /*
2935 * 8.2.2 Attach complete
2936 */
2937 static void
2938 nas_emm_attach_comp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
2939 {
2940 guint32 curr_offset;
2941 guint32 consumed;
2942 guint curr_len;
2947 /* ESM message container ESM message container 9.9.3.15 M LV-E 2-n */
2952 }
2954 /*
2955 * 8.2.3 Attach reject
2956 */
2957 static void
2958 nas_emm_attach_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
2959 {
2960 guint32 curr_offset;
2961 guint32 consumed;
2962 guint curr_len;
2967 /* * EMM cause EMM cause 9.9.3.9 M V 1 */
2969 /* 78 ESM message container ESM message container 9.9.3.15 O TLV-E 4-n */
2971 /* 5F T3346 value GPRS timer 2 9.9.3.16A O TLV 3 */
2973 /* 16 T3402 value GPRS timer 2 9.9.3.16A O TLV 3 */
2978 }
2979 /*
2980 * 8.2.4 Attach request
2981 */
2982 static void
2983 nas_emm_attach_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
2984 {
2986 guint32 consumed;
2987 guint curr_len;
2994 /* NAS key set identifier NAS key set identifier 9.9.3.21 M V 1/2 */
2998 /* EPS attach type EPS attach type 9.9.3.11 M V 1/2
2999 * Inline:
3000 */
3002 bit_offset++;
3003 proto_tree_add_bits_item(tree, hf_nas_eps_emm_eps_att_type, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
3004 /*bit_offset+=3;*/
3006 /* Fix the lengths */
3007 curr_len--;
3008 curr_offset++;
3009 /* Old GUTI or IMSI EPS mobile identity 9.9.3.12 M LV 5-12 */
3011 /* UE network capability UE network capability 9.9.3.34 M LV 3-14 */
3013 /* ESM message container ESM message container 9.9.3.15 M LV-E 2-n */
3015 /* 19 Old P-TMSI signature P-TMSI signature 10.5.5.8 O TV 4 */
3017 /* 50 Additional GUTI EPS mobile identity 9.9.3.12 O TLV 13 */
3019 /* 52 Last visited registered TAI Tracking area identity 9.9.3.32 O TV 6 */
3021 /* 5c DRX parameter DRX parameter 9.9.3.8 O TV 3 */
3023 /* 31 MS network capability MS network capability 9.9.3.20 M LV 3-9 */
3025 /* 13 Old location area identification Location area identification 9.9.2.2 O TV 6 */
3026 ELEM_OPT_TV(0x13, NAS_PDU_TYPE_COMMON, DE_EPS_CMN_LOC_AREA_ID, " - Old location area identification");
3027 /* 9- TMSI status TMSI status 9.9.3.31 O TV 1 */
3029 /* 11 Mobile station classmark 2 Mobile station classmark 2 9.9.2.5 O TLV 5 */
3031 /* 20 Mobile station classmark 3 Mobile station classmark 3 9.9.2.5 O TLV 2-34 */
3033 /* 40 Supported Codecs Supported Codec List 9.9.2.10 O TLV 5-n */
3035 /* F- Additional update type Additional update type 9.9.3.0B O TV 1 */
3037 /* 5D Voice domain preference and UE's usage setting Voice domain preference and UE's usage setting 9.9.3.44 O TLV 3 */
3039 /* D- Device properties Device properties 9.9.2.0A O TV 1 */
3041 /* E- Old GUTI type GUTI type 9.9.3.45 O TV 1 */
3043 /* C- MS network feature support MS network feature support 9.9.3.20A 0 TV 1 */
3045 /* 10 TMSI based NRI container Network resource identifier container 9.9.3.24A 0 TLV 4 */
3049 }
3050 /*
3051 * 8.2.5 Authentication failure
3052 */
3053 static void
3054 nas_emm_auth_fail(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3055 {
3056 guint32 curr_offset;
3057 guint32 consumed;
3058 guint curr_len;
3063 /* EMM cause EMM cause 9.9.3.9 M V 1 */
3065 /* 30 Authentication failure parameter Authentication failure parameter 9.9.3.1 O TLV 1 */
3069 }
3070 /*
3071 * 8.2.6 Authentication reject
3072 * No IE:s
3073 */
3074 /*
3075 * 8.2.7 Authentication request
3076 */
3078 static void
3079 nas_emm_auth_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3080 {
3082 guint32 consumed;
3083 guint curr_len;
3089 /* H1 */
3090 /* Spare half octet Spare half octet 9.9.2.7 M V 1/2 */
3091 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
3093 /* H0 */
3094 /*
3095 * NAS key set identifierASME NAS key set identifier 9.9.3.21 M V 1/2
3096 */
3098 /*bit_offset+=4;*/
3100 /* Fix the lengths */
3101 curr_len--;
3102 curr_offset++;
3104 /*
3105 * Authentication parameter RAND (EPS challenge) 9.9.3.3 M V 16
3106 */
3108 /*
3109 * Authentication parameter AUTN (EPS challenge) 9.9.3.2 M LV 17
3110 */
3115 }
3116 /*
3117 * 8.2.8 Authentication response
3118 */
3119 static void
3120 nas_emm_auth_resp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3121 {
3122 guint32 curr_offset;
3123 guint32 consumed;
3124 guint curr_len;
3129 /*
3130 * Authentication response parameter 9.9.3.4 M LV 5-17
3131 */
3135 }
3137 /*
3138 * 8.2.9 CS service notification
3139 */
3141 static void
3142 nas_emm_cs_serv_not(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3143 {
3144 guint32 curr_offset;
3145 guint32 consumed;
3146 guint curr_len;
3151 /* Paging identity Paging identity 9.9.3.25A M V 1 */
3153 /* 60 CLI CLI 9.9.3.38 O TLV 3-12 */
3155 /* 61 SS Code SS Code 9.9.3.39 O TV 2 */
3157 /* 62 LCS indicator LCS indicator 9.9.3.40 O TV 2 */
3159 /* 63 LCS client identity LCS client identity 9.9.3.41 O TLV 3-257 */
3163 }
3164 /*
3165 * 8.2.10 Detach accept
3166 * 8.2.10.1 Detach accept (UE originating detach)
3167 * No further IE's
3168 * 8.2.10.2 Detach accept (UE terminated detach)
3169 * No further IE's
3170 */
3171 /*
3172 * 8.2.11 Detach request
3173 * 8.2.11.1 Detach request (UE originating detach)
3174 */
3176 static void
3177 nas_emm_detach_req_UL(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3178 {
3180 guint32 consumed;
3181 guint curr_len;
3187 /* NAS key set identifier NAS key set identifier 9.9.3.21 M V 1/2 */
3191 /* Detach type Detach type 9.9.3.6 M V 1/2 */
3193 bit_offset++;
3194 proto_tree_add_bits_item(tree, hf_nas_eps_emm_detach_type_UL, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
3195 /* bit_offset+=3;*/
3197 /* Fix the lengths */
3198 curr_len--;
3199 curr_offset++;
3201 /* GUTI or IMSI EPS mobile identity 9.9.3.12 M LV 5-12 */
3203 }
3204 /*
3205 * 8.2.11.2 Detach request (UE terminated detach)
3206 */
3207 static void
3208 nas_emm_detach_req_DL(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3209 {
3211 guint32 consumed;
3212 guint curr_len;
3218 /* Spare half octet Spare half octet 9.9.2.7 M V 1/2 */
3222 /* Detach type Detach type 9.9.3.6 M V 1/2 */
3223 /* In the network to UE direction bit 4 is spare. The network shall set this bit to zero. */
3225 bit_offset++;
3226 proto_tree_add_bits_item(tree, hf_nas_eps_emm_detach_type_DL, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
3227 /*bit_offset+=3;*/
3229 /* Fix the lengths */
3230 curr_len--;
3231 curr_offset++;
3233 /* No more mandatory elements */
3237 /* EMM cause EMM cause 9.9.3.9 O TV 2 */
3241 }
3242 static void
3243 nas_emm_detach_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
3244 {
3252 }
3253 }
3258 }
3259 }
3261 /*
3262 * 8.2.12 Downlink NAS Transport
3263 */
3264 static void
3265 nas_emm_dl_nas_trans(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3266 {
3267 guint32 curr_offset;
3268 guint32 consumed;
3269 guint curr_len;
3276 /* NAS message container NAS message container 9.9.3.22 M LV 3-252 */
3280 }
3281 /*
3282 * 8.2.13 EMM information
3283 */
3284 static void
3285 nas_emm_emm_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3286 {
3287 guint32 curr_offset;
3288 guint32 consumed;
3289 guint curr_len;
3294 /* 43 Full name for network Network name 9.9.3.24 O TLV 3-? */
3296 /* 45 Short name for network Network name 9.9.3.24 O TLV 3-? */
3298 /* 46 Local time zone Time zone 9.9.3.29 O TV 2 */
3300 /* 47 Universal time and local time zone Time zone and time 9.9.3.30 O TV 8 */
3301 ELEM_OPT_TV(0x47, GSM_A_PDU_TYPE_DTAP, DE_TIME_ZONE_TIME, " - Universal Time and Local Time Zone");
3302 /* 49 Network daylight saving time Daylight saving time 9.9.3.6 O TLV 3 */
3306 }
3309 /*
3310 * 8.2.14 EMM status
3311 */
3312 static void
3313 nas_emm_emm_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3314 {
3315 guint32 curr_offset;
3316 guint32 consumed;
3317 guint curr_len;
3322 /* EMM cause EMM cause 9.9.3.9 M V 1 */
3326 }
3328 /*
3329 * 8.2.15 Extended service request
3330 */
3331 static void
3332 nas_emm_ext_serv_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3333 {
3335 guint32 consumed;
3336 guint curr_len;
3343 /* NAS key set identifier NAS key set identifier 9.9.3.21 M V 1/2 */
3346 /* Service type Service type 9.9.3.27 M V 1/2 Service type*/
3348 /*bit_offset+=4;*/
3349 /* Fix up the lengths */
3350 curr_len--;
3351 curr_offset++;
3353 /* M-TMSI Mobile identity 9.9.2.3 M LV 6 */
3355 /* B- CSFB response CSFB response 9.9.3.5 C TV 1 */
3357 /* 57 EPS bearer context status EPS bearer context status 9.9.2.1 O TLV 4 */
3359 /* D- Device properties Device properties 9.9.2.0A O TV 1 */
3363 }
3364 /*
3365 * 8.2.16 GUTI reallocation command
3366 */
3367 static void
3368 nas_emm_guti_realloc_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3369 {
3370 guint32 curr_offset;
3371 guint32 consumed;
3372 guint curr_len;
3377 /* GUTI EPS mobile identity 9.9.3.12 M LV 12 */
3380 /* 54 TAI list Tracking area identity list 9.9.3.33 O TLV 8-98 */
3384 }
3386 /*
3387 * 8.2.17 GUTI reallocation complete
3388 * No more IE's
3389 */
3390 /*
3391 * 8.2.18 Identity request
3392 */
3394 static void
3395 nas_emm_id_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3396 {
3398 /*guint32 consumed;*/
3399 guint curr_len;
3407 /* Spare half octet Spare half octet 9.9.2.7 M V 1/2 */
3408 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
3411 /* Identity type Identity type 2 9.9.3.17 M V 1/2 */
3413 /*bit_offset+=4;*/
3414 /*consumed = 1;*/
3417 /* Fix up the lengths */
3418 curr_len--;
3419 curr_offset++;
3422 }
3423 /*
3424 * 8.2.19 Identity response
3425 */
3426 static void
3427 nas_emm_id_res(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3428 {
3429 guint32 curr_offset;
3430 guint32 consumed;
3431 guint curr_len;
3436 /* Mobile identity Mobile identity 9.9.2.3 M LV 4-10 */
3440 }
3444 /*
3445 * 8.2.20 Security mode command
3446 */
3447 static void
3448 nas_emm_sec_mode_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3449 {
3451 guint32 consumed;
3452 guint curr_len;
3457 /* Selected NAS security algorithms NAS security algorithms 9.9.3.23 M V 1 */
3461 /* Spare half octet Spare half octet 9.9.2.7 M V 1/2 */
3462 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
3464 /* NAS key set identifierASME NAS key set identifier 9.9.3.21 M V 1/2 */
3466 /*bit_offset+=4;*/
3468 /* Fix up the lengths */
3469 curr_len--;
3470 curr_offset++;
3472 /* Replayed UE security capabilities UE security capability 9.9.3.36 M LV 3-6 */
3474 /* C- IMEISV request IMEISV request 9.9.3.18 O TV 1 */
3476 /* 55 Replayed NonceUE Nonce 9.9.3.25 O TV 5 */
3478 /* 56 NonceMME Nonce 9.9.3.25 O TV 5 */
3482 }
3483 /*
3484 * 8.2.21 Security mode complete
3485 */
3486 static void
3487 nas_emm_sec_mode_comp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3488 {
3489 guint32 curr_offset;
3490 guint32 consumed;
3491 guint curr_len;
3499 /* 23 IMEISV Mobile identity 9.9.2.3 O TLV 11 */
3503 }
3504 /*
3505 * 8.2.22 Security mode reject
3506 */
3507 static void
3508 nas_emm_sec_mode_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3509 {
3510 guint32 curr_offset;
3511 guint32 consumed;
3512 guint curr_len;
3517 /* EMM cause EMM cause 9.9.3.9 M V 1 */
3521 }
3522 /*
3523 * 8.2.23 Security protected NAS message
3524 */
3525 #if 0
3526 static int
3527 nas_emm_sec_prot_msg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3528 {
3529 guint32 curr_offset;
3530 guint curr_len;
3531 guint8 security_header_type;
3536 /* Security header type Security header type 9.3.1 M V 1/2 */
3539 /* Protocol discriminator Protocol discriminator 9.2 M V 1/2 */
3541 offset++;
3542 /* Message authentication code Message authentication code 9.5 M V 4 */
3544 /* Message authentication code */
3548 /* Integrity protected and ciphered = 2, Integrity protected and ciphered with new EPS security context = 4 */
3551 }
3555 }
3556 /* Sequence number Sequence number 9.6 M V 1 */
3558 offset++;
3559 /* NAS message NAS message 9.7 M V 1-n */
3561 }
3562 #endif
3563 /*
3564 * 8.2.24 Service reject
3565 */
3566 static void
3567 nas_emm_serv_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3568 {
3569 guint32 curr_offset;
3570 guint32 consumed;
3571 guint curr_len;
3576 /* EMM cause EMM cause 9.9.3.9 M V 1 */
3578 /* 5B T3442 value GPRS timer 9.9.3.16 C TV 2 */
3580 /* 5F T3346 value GPRS timer 2 9.9.3.16A O TLV 3 */
3584 }
3585 /*
3586 * 8.2.25 Service request
3587 * This message is sent by the UE to the network to request the establishment
3588 * of a NAS signalling connection and of the radio and S1 bearers.
3589 * Its structure does not follow the structure of a standard layer 3 message. See table 8.2.25.1.
3590 */
3591 /* Table 8.2.25.1
3592 * Protocol discriminator Protocol discriminator 9.2 M V 1/2
3593 * Security header type Security header type 9.3.1 M V 1/2
3594 * KSI and sequence number KSI and sequence number 9.9.3.19 M V 1
3595 * Message authentication code (short) Short MAC 9.9.3.28 M V 2
3596 */
3597 static void
3598 nas_emm_service_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3599 {
3600 guint32 curr_offset;
3601 guint32 consumed;
3602 guint curr_len;
3607 /* KSI and sequence number 9.9.3.19 M V 1 */
3610 /* Short MAC 9.9.3.28 M V 2 */
3614 }
3616 /*
3617 * 8.2.26 Tracking area update accept
3618 */
3619 static void
3620 nas_emm_trac_area_upd_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3621 {
3623 guint32 consumed;
3624 guint curr_len;
3629 /* Spare half octet Spare half octet 9.9.2.7 M V 1/2 */
3631 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
3633 /* EPS update result EPS update result 9.9.3.13 M V 1/2 */
3635 bit_offset++;
3636 proto_tree_add_bits_item(tree, hf_nas_eps_eps_update_result_value, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
3637 /*bit_offset+=3;*/
3638 /* Fix up the lengths */
3639 curr_len--;
3640 curr_offset++;
3641 /* No more mandatory elements */
3644 /* 5A T3412 value GPRS timer 9.9.3.16 O TV 2 */
3646 /* 50 GUTI EPS mobile identity 9.9.3.12 O TLV 13 */
3648 /* 54 TAI list Tracking area identity list 9.9.3.33 O TLV 8-98 */
3650 /* 57 EPS bearer context status EPS bearer context status 9.9.2.1 O TLV 4 */
3652 /* 13 Location area identification Location area identification 9.9.2.2 O TV 6 */
3654 /* 23 MS identity Mobile identity 9.9.2.3 O TLV 7-10 */
3656 /* 53 EMM cause EMM cause 9.9.3.9 O TV 2 */
3658 /* 17 T3402 value GPRS timer 9.9.3.16 O TV 2 */
3660 /* 59 T3423 value GPRS timer 9.9.3.16 O TV 2 */
3662 /* 4A Equivalent PLMNs PLMN list 9.9.2.8 O TLV 5-47 */
3664 /* 34 Emergency Number List Emergency Number List 9.9.3.37 O TLV 5-50 */
3666 /* 64 EPS network feature support EPS network feature support 9.9.3.12A O TLV 3 */
3668 /* F- Additional update result Additional update result 9.9.3.0A O TV 1 */
3670 /* 5E T3412 extended value GPRS timer 3 9.9.3.16B O TLV 3 */
3674 }
3675 /*
3676 * 8.2.27 Tracking area update complete
3677 * No more IE's
3678 */
3679 /*
3680 * 8.2.28 Tracking area update reject
3681 */
3682 static void
3683 nas_emm_trac_area_upd_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3684 {
3685 guint32 curr_offset;
3686 guint32 consumed;
3687 guint curr_len;
3692 /* EMM cause EMM cause 9.9.3.9 M V 1 */
3694 /* 5F T3346 value GPRS timer 2 9.9.3.16A O TLV 3 */
3698 }
3699 /*
3700 * 8.2.29 Tracking area update request
3701 */
3702 static void
3703 nas_emm_trac_area_upd_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3704 {
3707 guint32 consumed;
3708 guint curr_len;
3715 /* NAS key set identifierASME NAS key set identifier 9.9.3.21 M V 1/2 */
3719 /* EPS update type EPS update type 9.9.3.14 M V 1/2 */
3721 bit_offset++;
3722 proto_tree_add_bits_item(tree, hf_nas_eps_eps_update_type_value, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
3723 /*bit_offset+=3;*/
3725 /* Fix the lengths */
3726 curr_len--;
3727 curr_offset++;
3728 /* Old GUTI EPS mobile identity 9.9.3.12 M LV 12 */
3730 /* No more Mandatory elements */
3732 /* B- NAS key set identifier Non-current native NAS key set identifier 9.9.3.21 O TV 1 */
3733 ELEM_OPT_TV_SHORT( 0xb0 , NAS_PDU_TYPE_EMM, DE_EMM_NAS_KEY_SET_ID , " - Non-current native NAS key set identifier" );
3734 /* 8- GPRS ciphering key sequence number Ciphering key sequence number 9.9.3.4a O TV 1 */
3735 ELEM_OPT_TV_SHORT(0x80, GSM_A_PDU_TYPE_COMMON, DE_CIPH_KEY_SEQ_NUM, " - GPRS ciphering key sequence number");
3736 /* 19 Old P-TMSI signature P-TMSI signature 9.9.3.26 O TV 4 */
3738 /* 50 Additional GUTI EPS mobile identity 9.9.3.12 O TLV 13 */
3740 /* 55 NonceUE Nonce 9.9.3.25 O TV 5 */
3742 /* 58 UE network capability UE network capability 9.9.3.34 O TLV 4-15 */
3744 /* 52 Last visited registered TAI Tracking area identity 9.9.3.32 O TV 6 */
3746 /* 5C DRX parameter DRX parameter 9.9.3.8 O TV 3 */
3748 /* A- UE radio capability information update needed UE radio capability information update needed 9.9.3.35 O TV 1 */
3750 /* 57 EPS bearer context status EPS bearer context status 9.9.2.1 O TLV 4 */
3752 /* 31 MS network capability MS network capability 9.9.3.20 O TLV 4-10 */
3754 /* 13 Old location area identification Location area identification 9.9.2.2 O TV 6 */
3755 ELEM_OPT_TV(0x13, NAS_PDU_TYPE_COMMON, DE_EPS_CMN_LOC_AREA_ID, " - Old location area identification");
3756 /* 9- TMSI status TMSI status 9.9.3.31 O TV 1 */
3758 /* 11 Mobile station classmark 2 Mobile station classmark 2 9.9.2.5 O TLV 5 */
3760 /* 20 Mobile station classmark 3 Mobile station classmark 3 9.9.2.5 O TLV 2-34 */
3762 /* 40 Supported Codecs Supported Codec List 9.9.2.10 O TLV 5-n */
3764 /* F- Additional update type Additional update type 9.9.3.0B O TV 1 */
3766 /* 5D Voice domain preference and UE's usage setting Voice domain preference and UE's usage setting 9.9.3.44 O TLV 3 */
3768 /* E- Old GUTI type GUTI type 9.9.3.45 O TV 1 */
3770 /* D- Device properties Device properties 9.9.2.0A O TV 1 */
3772 /* C- MS network feature support MS network feature support 9.9.3.20A 0 TV 1 */
3774 /* 10 TMSI based NRI container Network resource identifier container 9.9.3.24A 0 TLV 4 */
3778 }
3780 /*
3781 * 8.2.30 Uplink NAS Transport
3782 */
3783 static void
3784 nas_emm_ul_nas_trans(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3785 {
3786 guint32 curr_offset;
3787 guint32 consumed;
3788 guint curr_len;
3795 /* NAS message container NAS message container 9.9.3.22 M LV 3-252*/
3799 }
3801 /*
3802 * 8.2.31 Downlink generic NAS transport
3803 */
3804 static void
3805 nas_emm_dl_gen_nas_trans(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3806 {
3807 guint32 curr_offset;
3808 guint32 consumed;
3809 guint curr_len;
3816 /* Generic message container type Generic message container type 9.9.3.42 M V 1 */
3818 /* Generic message container Generic message container 9.9.3.43 M LV-E 3-n */
3820 /* 65 Additional information Additional information 9.9.2.0 O TLV 3-n */
3826 }
3828 /*
3829 * 8.2.32 Uplink generic NAS transport
3830 */
3831 static void
3832 nas_emm_ul_gen_nas_trans(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
3833 {
3834 guint32 curr_offset;
3835 guint32 consumed;
3836 guint curr_len;
3843 /* Generic message container type Generic message container type 9.9.3.42 M V 1 */
3845 /* Generic message container Generic message container 9.9.3.43 M LV-E 3-n */
3847 /* 65 Additional information Additional information 9.9.2.0 O TLV 3-n */
3853 }
3855 /*
3856 * 8.3 EPS session management messages
3857 */
3859 /*
3860 * 8.3.1 Activate dedicated EPS bearer context accept
3861 */
3862 static void
3863 nas_esm_act_ded_eps_bearer_ctx_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
3864 {
3865 guint32 curr_offset;
3866 guint32 consumed;
3867 guint curr_len;
3875 /* This message is sent by the UE to the network */
3878 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
3882 }
3884 /*
3885 * 8.3.2 Activate dedicated EPS bearer context reject
3886 */
3887 static void
3888 nas_esm_act_ded_eps_bearer_ctx_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
3889 {
3890 guint32 curr_offset;
3891 guint32 consumed;
3892 guint curr_len;
3897 /* This message is sent by UE to the network to reject activation of a dedicated EPS bearer context */
3900 /* ESM cause ESM cause 9.9.4.2 M V 1 */
3902 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
3906 }
3907 /*
3908 * 8.3.3 Activate dedicated EPS bearer context request
3909 */
3910 static void
3911 nas_esm_act_ded_eps_bearer_ctx_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
3912 {
3914 guint32 consumed;
3915 guint curr_len;
3920 /* This message is sent by the network to the UE to request activation of a dedicated EPS bearer context... */
3924 /* Spare half octet Spare half octet 9.9.2.9 M V 1/2 */
3926 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
3928 /* Linked EPS bearer identity Linked EPS bearer identity 9.9.4.6 M V 1/2 */
3929 proto_tree_add_bits_item(tree, hf_nas_eps_esm_linked_bearer_id, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
3930 /*bit_offset+=4;*/
3931 /* Fix the lengths */
3932 curr_len--;
3933 curr_offset++;
3935 /* EPS QoS EPS quality of service 9.9.4.3 M LV 2-10 */
3937 /* TFT Traffic flow template 9.9.4.16 M LV 2-256 */
3939 /* 5D Transaction identifier Transaction identifier 9.9.4.17 O TLV 3-4 */
3941 /* 30 Negotiated QoS Quality of service 9.9.4.12 O TLV 14-18 */
3943 /* 32 Negotiated LLC SAPI LLC service access point identifier 9.9.4.7 O TV 2 */
3945 /* 8- Radio priority Radio priority 9.9.4.13 O TV 1 */
3947 /* 34 Packet flow Identifier Packet flow Identifier 9.9.4.8 O TLV 3 */
3949 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
3953 }
3955 /*
3956 * 8.3.4 Activate default EPS bearer context accept
3957 */
3958 static void
3959 nas_esm_act_def_eps_bearer_ctx_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
3960 {
3961 guint32 curr_offset;
3962 guint32 consumed;
3963 guint curr_len;
3971 /* This message is sent by the UE to the network to acknowledge activation of a default EPS bearer context */
3974 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
3978 }
3980 /*
3981 * 8.3.5 Activate default EPS bearer context reject
3982 */
3983 static void
3984 nas_esm_act_def_eps_bearer_ctx_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
3985 {
3986 guint32 curr_offset;
3987 guint32 consumed;
3988 guint curr_len;
3993 /* This message is sent by UE to the network to reject activation of a default EPS bearer context. */
3996 /* ESM cause ESM cause 9.9.4.4 M V 1 */
3998 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4002 }
4004 /*
4005 * 8.3.6 Activate default EPS bearer context request
4006 */
4007 static void
4008 nas_esm_act_def_eps_bearer_ctx_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4009 {
4010 guint32 curr_offset;
4011 guint32 consumed;
4012 guint curr_len;
4017 /* This message is sent by the network to the UE to request activation of a default EPS bearer context. */
4020 /* EPS QoS EPS quality of service 9.9.4.3 M LV 2-10 */
4022 /* Access point name Access point name 9.9.4.1 M LV 2-101 */
4024 /* PDN address PDN address 9.9.4.9 M LV 6-14 DE_ESM_PDN_ADDR*/
4026 /* 5D Transaction identifier Transaction identifier 9.9.4.17 O TLV 3-4 */
4028 /* 30 Negotiated QoS Quality of service 9.9.4.12 O TLV 14-18 */
4030 /* 32 Negotiated LLC SAPI LLC service access point identifier 9.9.4.7 O TV 2 */
4032 /* 8- Radio priority Radio priority 9.9.4.13 O TV 1 */
4034 /* 34 Packet flow Identifier Packet flow Identifier 9.9.4.8 O TLV 3 */
4036 /* 5E APN-AMBR APN aggregate maximum bit rate 9.9.4.2 O TLV 4-8 DE_ESM_APN_AGR_MAX_BR*/
4038 /* 58 ESM cause ESM cause 9.9.4.4 O TV 2 */
4040 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4042 /* B- Connectivity type Connectivity type 9.9.4.2A 0 TV 1 */
4046 }
4048 /*
4049 * 8.3.7 Bearer resource allocation reject
4050 */
4051 static void
4052 nas_esm_bearer_res_all_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4053 {
4054 guint32 curr_offset;
4055 guint32 consumed;
4056 guint curr_len;
4061 /* This message is sent by the network to the UE to reject the allocation of a dedicated bearer resource. */
4064 /* ESM cause ESM cause 9.9.4.4 M V 1 */
4066 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4068 /* 37 T3396 value GPRS timer 3 9.9.3.16B O TLV 3 */
4072 }
4074 /*
4075 * 8.3.8 Bearer resource allocation request
4076 */
4077 static void
4078 nas_esm_bearer_res_all_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4079 {
4081 guint32 consumed;
4082 guint curr_len;
4087 /* This message is sent by the UE to the network to request the allocation of a dedicated bearer resource. */
4090 /* Spare half octet Spare half octet 9.9.2.9 M V 1/2 */
4092 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
4094 /* Linked EPS bearer identity Linked EPS bearer identity 9.9.4.6 M V 1/2 */
4095 proto_tree_add_bits_item(tree, hf_nas_eps_esm_linked_bearer_id, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
4096 /*bit_offset+=4;*/
4097 /* Fix the lengths */
4098 curr_len--;
4099 curr_offset++;
4101 /* Traffic flow aggregate Traffic flow aggregate description 9.9.4.15 M LV 2-256 */
4103 /* Required traffic flow QoS EPS quality of service 9.9.4.3 M LV 2-10 */
4105 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4107 /* C- Device properties Device properties 9.9.2.0A O TV 1 */
4111 }
4112 /*
4113 * 8.3.9 Bearer resource modification reject
4114 */
4115 static void
4116 nas_esm_bearer_res_mod_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4117 {
4118 guint32 curr_offset;
4119 guint32 consumed;
4120 guint curr_len;
4125 /* This message is sent by the network to the UE to reject the modification of a dedicated bearer resource. */
4128 /* ESM cause ESM cause 9.9.4.4 M V 1 */
4130 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4132 /* 37 T3396 value GPRS timer 3 9.9.3.16B O TLV 3 */
4136 }
4137 /*
4138 * 8.3.10 Bearer resource modification request
4139 */
4140 static void
4141 nas_esm_bearer_res_mod_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4142 {
4144 guint32 consumed;
4145 guint curr_len;
4150 /* This message is sent by the UE to the network to request the modification of a dedicated bearer resource. */
4153 /* Spare half octet Spare half octet 9.9.2.9 M V 1/2 */
4155 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
4157 /* EPS bearer identity for packet filter Linked EPS bearer identity 9.9.4.6 M V 1/2 */
4158 proto_tree_add_bits_item(tree, hf_nas_eps_esm_linked_bearer_id, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
4159 /*bit_offset+=4;*/
4160 /* Fix the lengths */
4161 curr_len--;
4162 curr_offset++;
4163 /* Traffic flow aggregate Traffic flow aggregate description 9.9.4.15 M LV 2-256 */
4165 /* 5B Required traffic flow QoS EPS quality of service 9.9.4.3 O TLV 3-11 */
4167 /* 58 ESM cause ESM cause 9.9.4.4 O TV 2 */
4169 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4171 /* C- Device properties Device properties 9.9.2.0A O TV 1 */
4175 }
4176 /*
4177 * 8.3.11 Deactivate EPS bearer context accept
4178 */
4179 static void
4180 nas_esm_deact_eps_bearer_ctx_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4181 {
4182 guint32 curr_offset;
4183 guint32 consumed;
4184 guint curr_len;
4192 /* This message is sent by the UE to acknowledge deactivation of the EPS bearer context... */
4195 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV */
4199 }
4200 /*
4201 * 8.3.12 Deactivate EPS bearer context request
4202 */
4203 static void
4204 nas_esm_deact_eps_bearer_ctx_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4205 {
4206 guint32 curr_offset;
4207 guint32 consumed;
4208 guint curr_len;
4213 /* This message is sent by the network to request deactivation of an active EPS bearer context. */
4216 /* ESM cause ESM cause 9.9.4.4 M V 1 */
4218 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV */
4220 /* 37 T3396 value GPRS timer 3 9.9.3.16B O TLV 3 */
4224 }
4226 /*
4227 * 8.3.13 ESM information request
4228 * No IE:s
4229 */
4230 static void
4231 nas_esm_inf_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
4232 {
4233 guint32 curr_offset;
4234 guint curr_len;
4240 }
4241 /*
4242 * 8.3.14 ESM information response
4243 */
4244 static void
4245 nas_esm_inf_resp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4246 {
4247 guint32 curr_offset;
4248 guint32 consumed;
4249 guint curr_len;
4257 /* This message is sent by the UE to the network in response to an ESM INFORMATION REQUEST... */
4260 /* 28 Access point name Access point name 9.9.4.1 O TLV 3-102 */
4262 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4266 }
4267 /*
4268 * 8.3.15 ESM status
4269 */
4270 static void
4271 nas_esm_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
4272 {
4273 guint32 curr_offset;
4274 guint32 consumed;
4275 guint curr_len;
4280 /* ESM cause ESM cause 9.9.4.4 M V 1 */
4284 }
4285 /*
4286 * 8.3.16 Modify EPS bearer context accept
4287 */
4288 static void
4289 nas_esm_mod_eps_bearer_ctx_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4290 {
4291 guint32 curr_offset;
4292 guint32 consumed;
4293 guint curr_len;
4301 /* This message is sent by the UE to the network to acknowledge the modification of an active EPS bearer context. */
4304 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4308 }
4309 /*
4310 * 8.3.17 Modify EPS bearer context reject
4311 */
4312 static void
4313 nas_esm_mod_eps_bearer_ctx_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4314 {
4315 guint32 curr_offset;
4316 guint32 consumed;
4317 guint curr_len;
4322 /* This message is sent by the UE or the network to reject a modification of an active EPS bearer context. */
4325 /* ESM cause ESM cause 9.9.4.4 M V 1 */
4327 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4331 }
4332 /*
4333 * 8.3.18 Modify EPS bearer context request
4334 */
4335 static void
4336 nas_esm_mod_eps_bearer_ctx_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4337 {
4338 guint32 curr_offset;
4339 guint32 consumed;
4340 guint curr_len;
4348 /*This message is sent by the network to inform the UE about events which are relevant for the upper layer... */
4351 /* 5B New EPS QoS EPS quality of service 9.9.4.3 O TLV 3-11 */
4353 /* 36 TFT Traffic flow template 9.9.4.16 O TLV 3-257 */
4355 /* 30 New QoS Quality of service 9.9.4.12 O TLV 14-18 */
4357 /* 32 Negotiated LLC SAPI LLC service access point identifier 9.9.4.7 O TV 2 */
4359 /* 8- Radio priority Radio priority 9.9.4.13 O TV 1 */
4361 /* 34 Packet flow Identifier Packet flow Identifier 9.9.4.8 O TLV 3 */
4363 /* 5E APN-AMBR APN aggregate maximum bit rate 9.9.4.2 O TLV 4-8 */
4365 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4369 }
4370 /*
4371 * 8.3.18A Notification
4372 */
4373 static void
4374 nas_esm_notification(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
4375 {
4376 guint32 curr_offset;
4377 guint32 consumed;
4378 guint curr_len;
4383 /* Notification indicator Notification indicator 9.9.4.7A M LV 2 */
4387 }
4389 /*
4390 * 8.3.19 PDN connectivity reject
4391 */
4392 static void
4393 nas_esm_pdn_con_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4394 {
4395 guint32 curr_offset;
4396 guint32 consumed;
4397 guint curr_len;
4402 /*This message is sent by the network to the UE to reject establishment of a PDN connection. */
4405 /* ESM cause ESM cause 9.9.4.4 M V 1 */
4407 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4409 /* 37 T3396 value GPRS timer 3 9.9.3.16B O TLV 3 */
4413 }
4415 /*
4416 * 8.3.20 PDN connectivity request
4417 */
4418 void
4419 nas_esm_pdn_con_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4420 {
4421 guint32 curr_offset;
4422 guint32 consumed;
4423 guint curr_len;
4429 /*This message is sent by the UE to the network to initiate establishment of a PDN connection. */
4432 /* PDN type PDN type 9.9.4.10 M V 1/2 */
4437 /* Request type 9.9.4.14 M V 1/2 */
4438 proto_tree_add_bits_item(tree, hf_nas_eps_esm_request_type, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
4439 /*bit_offset+=4;*/
4440 /* Fix the lengths */
4441 curr_len--;
4442 curr_offset++;
4446 /* D- ESM information transfer flag 9.9.4.5 O TV 1 */
4448 /* 28 Access point name 9.9.4.1 O TLV 3-102 */
4450 /* 27 Protocol configuration options 9.9.4.11 O TLV 3-253 */
4452 /* C- Device properties Device properties 9.9.2.0A O TV 1 */
4456 }
4457 /*
4458 * 8.3.20 PDN disconnect reject
4459 */
4460 static void
4461 nas_esm_pdn_disc_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4462 {
4463 guint32 curr_offset;
4464 guint32 consumed;
4465 guint curr_len;
4470 /*This message is sent by the UE to the network to initiate establishment of a PDN connection. */
4473 /* ESM cause ESM cause 9.9.4.4 M V 1 */
4475 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4479 }
4480 /*
4481 * 8.3.21 PDN disconnect request
4482 */
4483 static void
4484 nas_esm_pdn_disc_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len)
4485 {
4487 guint32 consumed;
4488 guint curr_len;
4493 /* This message is sent by the network to the UE to reject release of a PDN connection. */
4496 /* Spare half octet Spare half octet 9.9.2.9 M V 1/2 */
4498 proto_tree_add_bits_item(tree, hf_nas_eps_emm_spare_half_octet, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
4500 /* Linked EPS bearer identity Linked EPS bearer identity 9.9.4.6 M V 1/2 */
4501 proto_tree_add_bits_item(tree, hf_nas_eps_esm_linked_bearer_id, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
4502 /*bit_offset+=4;*/
4503 /* Fix the lengths */
4504 curr_len--;
4505 curr_offset++;
4508 /* 27 Protocol configuration options Protocol configuration options 9.9.4.11 O TLV 3-253 */
4512 }
4515 #define NUM_NAS_MSG_ESM (sizeof(nas_msg_esm_strings)/sizeof(value_string))
4517 static void (*nas_msg_esm_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len) = {
4543 };
4545 static void
4546 get_nas_esm_msg_params(guint8 oct, const gchar **msg_str, int *ett_tree, int *hf_idx, msg_fcn *msg_fcn_p)
4547 {
4548 gint idx;
4555 }
4558 }
4562 #define NUM_NAS_MSG_EMM (sizeof(nas_msg_emm_strings)/sizeof(value_string))
4564 static void (*nas_msg_emm_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len) = {
4601 };
4603 static void
4604 get_nas_emm_msg_params(guint8 oct, const gchar **msg_str, int *ett_tree, int *hf_idx, msg_fcn *msg_fcn_p)
4605 {
4606 gint idx;
4613 }
4616 }
4636 };
4638 /*
4639 * EPS session management messages.
4640 * A plain NAS message is pased to this function
4641 */
4642 static void
4644 {
4646 guint32 len;
4647 gint ett_tree;
4649 void (*msg_fcn_p)(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len);
4650 guint8 oct;
4653 /*
4654 * EPS bearer identity 9.3.2
4655 */
4657 /* Protocol discriminator 9.2 */
4659 offset++;
4661 /* Procedure transaction identity 9.4
4662 * The procedure transaction identity and its use are defined in 3GPP TS 24.007
4663 */
4665 offset++;
4667 /*messge type IE*/
4681 }
4683 /*
4684 * Add NAS message name
4685 */
4687 offset++;
4690 /*
4691 * decode elements
4692 */
4694 {
4697 }
4698 else
4699 {
4701 }
4703 }
4704 /*
4705 * The "real" security header has been dissected or if dissect_header = TRUE
4706 */
4707 static void
4708 dissect_nas_eps_emm_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean second_header)
4709 {
4711 guint32 len;
4712 gint ett_tree;
4714 void (*msg_fcn_p)(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len);
4719 /* 9.3.1 Security header type */
4724 offset++;
4726 /* Message authentication code */
4729 /* Sequence number */
4731 offset++;
4733 /* Integrity protected and ciphered = 2, Integrity protected and ciphered with new EPS security context = 4 */
4737 offset++;
4738 }
4739 }
4740 /* Messge type IE*/
4754 }
4756 /*
4757 * Add NAS message name
4758 */
4760 offset++;
4763 /*
4764 * decode elements
4765 */
4767 {
4770 }
4771 else
4772 {
4774 }
4776 }
4778 static void
4780 {
4783 guint8 pd;
4786 /* make entry in the Protocol column on summary display */
4792 /* SERVICE REQUEST (security header type equal to 12 or greater) is not a plain NAS message */
4796 /* Security header type Security header type 9.3.1 M V 1/2 */
4798 /* Protocol discriminator Protocol discriminator 9.2 M V 1/2 */
4799 proto_tree_add_item(nas_eps_tree, hf_gsm_a_L3_protocol_discriminator, tvb, 0, 1, ENC_BIG_ENDIAN);
4800 offset++;
4803 }
4808 /* EPS session management messages.
4809 * Ref 3GPP TS 24.007 version 8.0.0 Release 8, Table 11.2: Protocol discriminator values
4810 */
4814 /* EPS mobility management messages.
4815 * Ref 3GPP TS 24.007 version 8.0.0 Release 8, Table 11.2: Protocol discriminator values
4816 */
4820 /* Special conformance testing functions for User Equipment messages.
4821 * Ref 3GPP TS 24.007 version 8.0.0 Release 8, Table 11.2: Protocol discriminator values
4822 */
4830 pd,
4833 }
4835 }
4837 /* TS 24.301 8.2.1
4838 * 9 General message format and information elements coding
4839 * 9.1 Overview
4840 * Within the protocols defined in the present document, every message, except the SERVICE REQUEST message,
4841 * is a standard L3 message as defined in 3GPP TS 24.007 [12]. This means that the message consists of the following parts:
4842 * 1) if the message is a plain NAS message:
4843 * a) protocol discriminator;
4844 * b) EPS bearer identity or security header type;
4845 * c) procedure transaction identity;
4846 * d) message type;
4847 * e) other information elements, as required.
4848 * 2) if the message is a security protected NAS message:
4849 * a) protocol discriminator;
4850 * b) security header type;
4851 * c) message authentication code;
4852 * d) sequence number;
4853 * e) plain NAS message, as defined in item 1.
4854 *
4855 * The EPS bearer identity and the procedure transaction identity are only used in messages
4856 * with protocol discriminator EPS session management. Octet 1a with the procedure transaction
4857 * identity shall only be included in these messages.
4858 */
4860 /*
4861 * All messages recived here will have the security header:
4862 * Figure 9.1.2: General message organization example for a security protected NAS message
4863 * 9.3.1 Bits 5 to 8 of the first octet of every EPS Mobility Management (EMM)
4864 * message contain the Security header type IE.
4865 * 4.4.4.2 All ESM messages are integrity protected.
4866 */
4868 static void
4870 {
4875 guint32 len;
4876 guint32 msg_auth_code;
4879 /* The protected NAS message header is 6 octets long, and the NAS message header is at least 2 octets long. */
4880 /* If the length of the tvbuffer is less than 8 octets, we can safely conclude the message is not protected. */
4884 }
4889 }
4891 /* make entry in the Protocol column on summary display */
4897 /* Security header type Security header type 9.3.1 M V 1/2 */
4900 /* Protocol discriminator Protocol discriminator 9.2 M V 1/2 */
4901 proto_tree_add_item(nas_eps_tree, hf_gsm_a_L3_protocol_discriminator, tvb, 0, 1, ENC_BIG_ENDIAN);
4903 offset++;
4904 /* Message authentication code Message authentication code 9.5 M V 4 */
4907 /* Plain EPS mobility management messages. */
4911 proto_tree_add_text(nas_eps_tree, tvb, offset, len, "All ESM / Test Procedures messages should be integrity protected");
4913 }
4915 /* SERVICE REQUEST (12 or greater) is not a plain NAS message treat separately */
4920 }
4921 /* Message authentication code */
4926 /* Possible ciphered message */
4928 /* Sequence number Sequence number 9.6 M V 1 */
4930 offset++;
4931 /* Integrity protected and ciphered = 2, Integrity protected and ciphered with new EPS security context = 4 */
4932 /* Read security_header_type / EPS bearer id AND pd */
4934 /* If pd is in plaintext this message probably isn't ciphered */
4939 }
4941 /* msg_auth_code == 0, probably not ciphered */
4942 /* Sequence number Sequence number 9.6 M V 1 */
4944 offset++;
4945 }
4947 /* Sequence number Sequence number 9.6 M V 1 */
4949 offset++;
4950 }
4951 }
4952 /* NAS message NAS message 9.7 M V 1-n */
4957 /* EPS session management messages.
4958 * Ref 3GPP TS 24.007 version 8.0.0 Release 8, Table 11.2: Protocol discriminator values
4959 */
4963 /* EPS mobility management messages.
4964 * Ref 3GPP TS 24.007 version 8.0.0 Release 8, Table 11.2: Protocol discriminator values
4965 */
4969 /* Special conformance testing functions for User Equipment messages.
4970 * Ref 3GPP TS 24.007 version 8.0.0 Release 8, Table 11.2: Protocol discriminator values
4971 */
4979 pd,
4982 }
4984 }
4986 void
4988 guint i;
4989 guint last_offset;
4992 /* List of fields */
4999 },
5004 },
5009 },
5014 },
5019 },
5024 },
5029 },
5034 },
5039 },
5044 },
5049 },
5054 },
5059 },
5064 },
5069 },
5074 },
5079 },
5084 },
5089 },
5094 },
5099 },
5104 },
5109 },
5114 },
5119 },
5124 },
5129 },
5134 },
5139 },
5144 },
5149 },
5154 },
5159 },
5164 },
5169 },
5174 },
5179 },
5184 },
5189 },
5194 },
5199 },
5204 },
5209 },
5214 },
5219 },
5224 },
5229 },
5234 },
5239 },
5244 },
5249 },
5254 },
5259 },
5264 },
5269 },
5274 },
5279 },
5284 },
5289 },
5294 },
5299 },
5304 },
5309 },
5314 },
5319 },
5324 },
5329 },
5334 },
5339 },
5344 },
5349 },
5354 },
5359 },
5364 },
5369 },
5374 },
5381 },
5386 },
5391 },
5396 },
5401 },
5406 },
5411 },
5416 },
5421 },
5426 },
5431 },
5436 },
5441 },
5446 },
5451 },
5456 },
5461 },
5466 },
5471 },
5476 },
5481 },
5486 },
5491 },
5496 },
5501 },
5506 },
5511 },
5516 },
5521 },
5526 },
5531 },
5536 },
5541 },
5546 },
5551 },
5556 },
5561 },
5566 },
5571 },
5576 },
5581 },
5586 },
5591 },
5596 },
5601 },
5606 },
5611 },
5616 },
5621 },
5626 },
5631 },
5636 },
5641 },
5646 },
5651 },
5656 },
5661 },
5666 },
5671 },
5676 },
5681 },
5686 },
5691 },
5696 },
5701 },
5702 /* ESM hf cvariables */
5707 },
5712 },
5717 },
5722 },
5727 },
5728 };
5730 /* Setup protocol subtree array */
5731 #define NUM_INDIVIDUAL_ELEMS 5
5733 NUM_NAS_EPS_COMMON_ELEM +
5746 {
5749 }
5751 /* EMM */
5753 {
5756 }
5759 {
5762 }
5763 /* EPS */
5765 {
5768 }
5771 {
5774 }
5776 /* Register protocol */
5778 /* Register fields and subtrees */
5782 /* Register dissector */
5785 /* Register dissector */
5788 /* Register configuration options to always dissect as plain messages */
5796 }
5798 void
5800 {
5803 }