| blob | 959b72e598d2f6a58e7f330ee928a94863a1efec |
1 /* packet-gsm_a_bssmap.c
2 * Routines for GSM A Interface BSSMAP dissection
3 *
4 * Copyright 2003, Michael Lum <mlum [AT] telostech.com>
5 * In association with Telos Technology Inc.
6 *
7 * Updated to 3GPP TS 48.008 version 9.8.0 Release 9
8 * Copyright 2008, Anders Broman <anders.broman [at] ericsson.com
9 * Copyright 2012, Pascal Quantin <pascal.quantin [at] gmail.com
10 * Title 3GPP Other
11 *
12 * Reference [2]
13 * Mobile-services Switching Centre - Base Station System
14 * (MSC - BSS) interface;
15 * Layer 3 specification
16 * (GSM 08.08 version 7.7.0 Release 1998) TS 100 590 v7.7.0
17 * 3GPP TS 48.008 version 8.4.0 Release 8
18 * 3GPP TS 48.008 version 9.8.0 Release 9
19 *
20 * $Id$
21 *
22 * Wireshark - Network traffic analyzer
23 * By Gerald Combs <gerald@wireshark.org>
24 * Copyright 1998 Gerald Combs
25 *
26 * This program is free software; you can redistribute it and/or
27 * modify it under the terms of the GNU General Public License
28 * as published by the Free Software Foundation; either version 2
29 * of the License, or (at your option) any later version.
30 *
31 * This program is distributed in the hope that it will be useful,
32 * but WITHOUT ANY WARRANTY; without even the implied warranty of
33 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
34 * GNU General Public License for more details.
35 *
36 * You should have received a copy of the GNU General Public License
37 * along with this program; if not, write to the Free Software
38 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
39 */
43 #include <glib.h>
45 #include <epan/packet.h>
46 #include <epan/to_str.h>
47 #include <epan/tap.h>
48 #include <epan/wmem/wmem.h>
49 #include <epan/expert.h>
50 #include <epan/asn1.h>
63 /* PROTOTYPES/FORWARDS */
65 /* TS 48.008 3.2.2.1 Message Type */
110 /* This value (2a) was allocated in an earlier phase of the protocol and shall not be used in the future. */
200 };
202 static value_string_ext gsm_a_bssmap_msg_strings_ext = VALUE_STRING_EXT_INIT(gsm_a_bssmap_msg_strings);
319 { BE_CELL_ID_LST_SEG_F_CELL_TB_EST, "Cell Identifier List Segment for cells to be established" },
320 { BE_CELL_ID_LST_SEG_F_REL_CELL, "Cell Identifier List Segment for released cells - no user present" },
321 { BE_CELL_ID_LST_SEG_F_NOT_EST_CELL, "Cell Identifier List Segment for not established cells - no establishment possible" },
349 #if 0
351 { BE_SRC_ENB_2_TGT_ENB_TRANSP_INF, "Source eNB to target eNB transparent information (E-UTRAN)" }, /*3.2.2.123 */
354 #endif
357 };
360 /* 3.2.3 Signalling Field Element Coding */
379 this IE can appear in Old BSS to New BSS information */
381 };
399 { 4, "Location Area Identification, LAI, is used to identify all cells within a Location Area."},
403 { 8, "Intersystem Handover to UTRAN or cdma2000. PLMN-ID, LAC, and RNC-ID, are encoded to identify the target RNC."},
404 { 9, "Intersystem Handover to UTRAN or cdma2000. The RNC-ID is coded to identify the target RNC."},
405 { 10, "Intersystem Handover to UTRAN or cdma2000. LAC and RNC-ID are encoded to identify the target RNC."},
406 { 11, "Serving Area Identity, SAI, is used to identify the Serving Area of UE within UTRAN or cdma2000"},
407 { 12, "LAC, RNC-ID (or Extended RNC-ID) and Cell Identity, CI, is used to identify a UTRAN cell for cell load information"},
412 };
413 static value_string_ext gsm_a_be_cell_id_disc_vals_ext = VALUE_STRING_EXT_INIT(gsm_a_be_cell_id_disc_vals);
415 #if 0
422 };
423 #endif
440 };
442 /* Positioning Method definitions */
451 };
458 { 4, "Attempted successfully - case where MS supports multiple mobile based positioning methods and the actual method or methods used by the MS cannot be determined" },
460 };
462 /* Location Information definitions */
468 };
472 "Last Octet"
473 };
477 "One Octet"
478 };
480 /* Current Channel Type */
490 };
505 };
507 /* Initialize the protocol and registered fields */
654 /* Initialize the subtree pointers */
671 static guint16
672 be_field_element_dissect(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_);
674 #if 0
676 make it possible to use element dissecton from this dissector
677 in other dissectors.
683 {
798 BE_CELL_ID_LST_SEG_F_CELL_TB_EST, /* Cell Identifier List Segment for cells to be established */
799 BE_CELL_ID_LST_SEG_F_REL_CELL, /* Cell Identifier List Segment for released cells - no user present */
800 BE_CELL_ID_LST_SEG_F_NOT_EST_CELL, /* Cell Identifier List Segment for not established cells - no establishment possible */
829 BE_SRC_ENB_2_TGT_ENB_TRANSP_INF, /* Source eNB to target eNB transparent information (E-UTRAN)" 3.2.2.123 */
833 BE_NONE /* NONE */
834 }
835 bssmap_elem_idx_t;
836 #endif
838 #define NUM_GSM_BSSMAP_ELEM (sizeof(gsm_bssmap_elem_strings)/sizeof(value_string))
841 /*
842 * [2] 3.2.2.2 Circuit Identity Code
843 */
844 static guint16
845 be_cic(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string, int string_len)
846 {
847 guint32 curr_offset;
848 guint32 value;
858 a_bigbuf,
865 a_bigbuf,
873 /* no length check possible */
876 }
877 /*
878 * 3.2.2.3 Connection Release Requested
879 * No Data
880 */
882 /*
883 * 3.2.2.4 Resource Available
884 */
885 static guint16
886 be_res_avail(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
887 {
888 guint32 curr_offset;
889 guint16 value;
896 proto_tree_add_text(tree, tvb, curr_offset, len, "Number of full rate channels available in band %u %u",i+1,value);
898 proto_tree_add_text(tree, tvb, curr_offset, len, "Number of half rate channels available in band %u %u",i+1, value);
900 }
904 }
905 /*
906 * [2] 3.2.2.5 Cause
907 */
908 static guint16
909 be_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len)
910 {
911 guint8 oct;
912 guint32 value;
913 guint32 curr_offset;
920 proto_tree_add_item(tree, hf_gsm_a_bssmap_cause_extension, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
923 {
924 /* 2 octet cause */
927 {
928 /* national cause */
930 {
941 }
947 a_bigbuf,
948 str);
954 a_bigbuf);
956 curr_offset++;
961 curr_offset++;
965 }
966 else
967 {
974 a_bigbuf,
977 curr_offset++;
982 a_bigbuf);
984 curr_offset++;
985 }
986 }
987 else
988 {
990 {
1075 }
1081 a_bigbuf,
1083 str);
1085 curr_offset++;
1089 }
1094 }
1095 /*
1096 * 3.2.2.6 IMSI
1097 * IMSI coded as the value part of the Mobile Identity IE defined in 3GPP TS 24.008 (NOTE 1)
1098 * NOTE 1: The Type of identity field in the Mobile Identity IE shall be ignored by the receiver.
1099 * Dissected in packet-gsm_a_common.c (de_mid)
1100 */
1102 /*
1103 * [2] 3.2.2.7 TMSI
1104 */
1105 static guint16
1106 be_tmsi(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len)
1107 {
1108 guint32 curr_offset;
1109 guint32 value;
1117 value);
1127 }
1129 /*
1130 * [2] 3.2.2.8 Number Of MSs
1131 */
1132 static guint16
1133 be_num_ms(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1134 {
1135 guint32 curr_offset;
1140 curr_offset++;
1145 }
1146 /*
1147 * [2] 3.2.2.9 Layer 3 Header Information
1148 */
1150 static guint16
1151 be_l3_header_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
1152 {
1153 guint8 oct;
1154 guint32 curr_offset;
1158 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
1160 proto_tree_add_item(tree, hf_gsm_a_L3_protocol_discriminator, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1162 curr_offset++;
1168 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
1174 a_bigbuf,
1181 a_bigbuf,
1184 curr_offset++;
1189 }
1191 /*
1192 * [2] 3.2.2.10 Encryption Information
1193 */
1194 static guint16
1195 be_enc_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
1196 {
1197 guint8 oct;
1198 guint8 mask;
1199 guint8 alg_id;
1200 guint32 curr_offset;
1209 do
1210 {
1215 a_bigbuf,
1216 alg_id,
1220 alg_id--;
1221 }
1228 a_bigbuf,
1231 curr_offset++;
1245 }
1247 /*
1248 * [2] 3.2.2.11 Channel Type
1249 */
1269 };
1271 /* Channel Rate and Type */
1275 { 0x0a, "Full or Half rate channel, Full rate preferred changes allowed after first allocation"},
1276 { 0x0b, "Full or Half rate channel, Half rate preferred changes allowed after first allocation"},
1278 { 0x1a, "Full or Half rate channel, Full rate preferred changes between full and half rate not allowed after first allocation"},
1279 { 0x1b, "Full or Half rate channel, Half rate preferred changes between full and half rate not allowed after first allocation"},
1280 { 0x1f, "Full or Half rate channel, changes between full and half rate not allowed after first allocation"},
1282 };
1284 /* Bits 7-1 indicate the permitted speech version identifier; */
1297 };
1299 guint16
1300 be_chan_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len)
1301 {
1302 guint8 oct;
1303 guint8 sdi;
1304 guint8 num_chan;
1305 guint32 curr_offset;
1313 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
1314 proto_tree_add_item(tree, hf_gsm_a_bssmap_speech_data_ind, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1317 g_snprintf(add_string, string_len, " - (%s)", val_to_str_const(tvb_get_guint8(tvb, curr_offset) & 0x0f,
1318 gsm_a_bssap_speech_data_ind_vals,
1321 curr_offset++;
1328 {
1329 /* speech */
1330 proto_tree_add_item(tree, hf_gsm_a_bssmap_channel_rate_and_type, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1331 curr_offset++;
1334 do
1335 {
1336 proto_tree_add_item(tree, hf_gsm_a_bssmap_chan_type_extension, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1337 proto_tree_add_item(tree, hf_gsm_a_bssmap_perm_speech_v_ind, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1338 curr_offset++;
1339 }
1341 }
1343 {
1344 /* data */
1349 {
1356 case 0x0a: str = "Full or Half rate TCH channel, Full rate preferred, changes allowed also after first channel allocation as a result of the request"; break;
1357 case 0x0b: str = "Full or Half rate TCH channel, Half rate preferred, changes allowed also after first channel allocation as a result of the request"; break;
1358 case 0x1a: str = "Full or Half rate TCH channel, Full rate preferred, changes not allowed after first channel allocation as a result of the request"; break;
1359 case 0x1b: str = "Full or Half rate TCH channel. Half rate preferred, changes not allowed after first channel allocation as a result of the request"; break;
1362 {
1363 str = "Full rate TCH channels in a multislot configuration, changes by the BSS of the the number of TCHs and if applicable the used radio interface rate per channel allowed after first channel allocation as a result of the request";
1365 }
1367 {
1368 str = "Full rate TCH channels in a multislot configuration, changes by the BSS of the number of TCHs or the used radio interface rate per channel not allowed after first channel allocation as a result of the request";
1370 }
1371 else
1372 {
1374 }
1376 }
1379 {
1383 num_chan,
1384 str);
1385 }
1386 else
1387 {
1391 str);
1392 }
1394 curr_offset++;
1400 proto_tree_add_item(tree, hf_gsm_a_bssmap_chan_type_extension, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1406 a_bigbuf,
1410 {
1412 {
1413 /* non-transparent */
1416 {
1417 case 0x00: str = "12 kbit/s if the channel is a full rate TCH, or 6 kbit/s if the channel is a half rate TCH"; break;
1426 }
1427 }
1428 else
1429 {
1431 {
1444 }
1445 }
1446 }
1447 else
1448 {
1450 {
1451 /* non-transparent */
1454 {
1464 }
1465 }
1466 else
1467 {
1469 {
1482 }
1483 }
1484 }
1490 a_bigbuf,
1491 str);
1493 curr_offset++;
1499 proto_tree_add_item(tree, hf_gsm_a_bssmap_chan_type_extension, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1501 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (curr_offset<<3)+1, 3, ENC_BIG_ENDIAN);
1504 {
1509 a_bigbuf,
1512 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (curr_offset<<3)+6, 1, ENC_BIG_ENDIAN);
1518 a_bigbuf,
1525 a_bigbuf,
1527 }
1528 else
1529 {
1534 a_bigbuf,
1537 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (curr_offset<<3)+6, 1, ENC_BIG_ENDIAN);
1543 a_bigbuf,
1550 a_bigbuf,
1552 }
1554 curr_offset++;
1555 }
1557 {
1558 /* signalling */
1561 {
1568 case 0x0a: str = "Full or Half rate TCH channel, Full rate preferred, changes allowed also after first channel allocation as a result of the request"; break;
1569 case 0x0b: str = "Full or Half rate TCH channel, Half rate preferred, changes allowed also after first channel allocation as a result of the request"; break;
1570 case 0x1a: str = "Full or Half rate TCH channel, Full rate preferred, changes not allowed after first channel allocation as a result of the request"; break;
1571 case 0x1b: str = "Full or Half rate TCH channel. Half rate preferred, changes not allowed after first channel allocation as a result of the request"; break;
1575 }
1580 str);
1582 curr_offset++;
1591 }
1592 else
1593 {
1594 /* unknown format */
1601 }
1606 }
1607 /*
1608 * 3.2.2.12 Periodicity
1609 */
1610 static guint16
1611 be_periodicity(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1612 {
1613 guint32 curr_offset;
1617 curr_offset++;
1620 }
1621 /*
1622 * 3.2.2.13 Extended Resource Indicator
1623 */
1624 #if 0
1627 "No extra Resource Information is requested"
1628 };
1629 #endif
1630 static guint16
1631 be_ext_res_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1632 {
1633 guint32 curr_offset;
1637 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 6, ENC_BIG_ENDIAN);
1638 /* the Subsequent Mode field */
1640 /* Total Accessible Resource Requested field */
1642 curr_offset++;
1646 }
1647 /*
1648 * 3.2.2.14 Total Resource Accessible
1649 */
1650 static guint16
1651 be_tot_res_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1652 {
1653 guint32 curr_offset;
1657 /* Total number of accessible full rate channels */
1658 proto_tree_add_item(tree, hf_gsm_a_bssmap_tot_no_of_fullr_ch, tvb, curr_offset, 2, ENC_BIG_ENDIAN);
1660 /* Total number of accessible half rate channels */
1661 proto_tree_add_item(tree, hf_gsm_a_bssmap_tot_no_of_hr_ch, tvb, curr_offset, 2, ENC_BIG_ENDIAN);
1662 /*curr_offset+=2;*/
1666 }
1667 /*
1668 * 3.2.2.15 LSA Identifier
1669 * The octets 3-5 are coded as specified in 3GPP TS 23.003, 'Identification of Localised Service Area'. Bit 8 of octet 3 is the MSB.
1670 */
1671 static guint16
1672 be_lsa_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1673 {
1674 guint32 curr_offset;
1678 /* TS 23.003:
1679 * The LSA ID consists of 24 bits, numbered from 0 to 23, with bit 0 being the LSB.
1680 * Bit 0 indicates whether the LSA is a PLMN significant number or a universal LSA.
1681 * If the bit is set to 0 the LSA is a PLMN significant number; if it is set to
1682 * 1 it is a universal LSA.
1683 */
1685 /*curr_offset+=3;*/
1689 }
1692 /*
1693 * 3.2.2.16 LSA Identifier List
1694 */
1695 static guint16
1696 be_lsa_id_list(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1697 {
1698 guint32 curr_offset;
1702 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 7, ENC_BIG_ENDIAN);
1704 curr_offset++;
1706 /* LSA identification 1 - n */
1711 }
1714 }
1715 /*
1716 * [2] 3.2.2.17 Cell Identifier
1717 * Formats everything after the discriminator, shared function
1718 */
1719 guint16
1720 be_cell_id_aux(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string, int string_len, guint8 disc)
1721 {
1722 guint32 value;
1723 guint32 curr_offset;
1730 {
1732 /* FALLTHRU */
1735 /* FALLTHRU */
1738 /* FALLTHRU */
1740 /* Serving Area Identity, SAI, is used to identify the Serving Area of UE
1741 * within UTRAN or cdma2000.
1742 * Coding of Cell Identification for Cell identification discriminator = 1011
1743 * The coding of SAI is defined in 3GPP TS 25.413, without the protocol extension
1744 * container.
1745 * TS 25.413:
1746 * SAI ::= SEQUENCE {
1747 * pLMNidentity PLMNidentity,
1748 * lAC LAC,
1749 * sAC SAC,
1750 * iE-Extensions ProtocolExtensionContainer { {SAI-ExtIEs} } OPTIONAL
1751 * }
1752 */
1753 /* FALLTHRU */
1757 else
1759 /* FALLTHRU */
1764 /* LAC */
1771 /* FALLTHRU */
1773 /* If SAI, SAC follows */
1777 }
1782 /* RNC-ID
1783 * The octets 9-10 are coded as the RNC-ID (0..4095) or the
1784 * Extended RNC-ID (4096..65535) specified in 3GPP TS 25.413 [31]:
1785 * XXX is this a PER encoded number?
1786 */
1792 {
1794 {
1796 }
1797 else
1798 {
1800 }
1801 }
1803 }
1807 /* FALLTHRU */
1810 /* CI */
1819 {
1821 {
1823 }
1824 else
1825 {
1827 }
1828 }
1836 }
1839 }
1841 static guint16
1842 be_cell_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string, int string_len)
1843 {
1844 guint8 oct;
1845 guint8 disc;
1846 guint32 curr_offset;
1852 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
1853 proto_tree_add_item(tree, hf_gsm_a_bssmap_be_cell_id_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1856 curr_offset++;
1860 curr_offset +=
1861 be_cell_id_aux(tvb, tree, pinfo, curr_offset, len - (curr_offset - offset), add_string, string_len, disc);
1863 /* no length check possible */
1866 }
1868 /*
1869 * [2] 3.2.2.18 Priority
1870 */
1873 "This allocation request shall not preempt an existing connection"
1874 };
1878 "This connection shall not be preempted by another allocation request"
1879 };
1881 guint16
1882 be_prio(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string, int string_len)
1883 {
1884 guint8 oct;
1885 guint32 curr_offset;
1897 {
1903 }
1909 a_bigbuf,
1911 str);
1919 curr_offset++;
1921 /* no length check possible */
1924 }
1925 /*
1926 * 3.2.2.19 Classmark Information Type 2
1927 * The classmark octets 3, 4 and 5 are coded in the same way as the
1928 * equivalent octets in the Mobile station classmark 2 element of
1929 * 3GPP TS 24.008
1930 * dissected in packet-gsm_a_common.c
1931 */
1932 /*
1933 * 3.2.2.20 Classmark Information Type 3
1934 * The classmark octets 3 to 34 are coded in the same way as the
1935 * equivalent octets in the Mobile station classmark 3 element of
1936 * 3GPP TS 24.008.
1937 * dissected in packet-gsm_a_common.c
1938 */
1939 /*
1940 * 3.2.2.21 Interference Band To Be Used
1941 */
1942 static guint16
1943 be_int_band(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1944 {
1945 guint32 curr_offset;
1949 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 3, ENC_BIG_ENDIAN);
1950 proto_tree_add_item(tree, hf_gsm_a_bssmap_interference_bands, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
1951 curr_offset++;
1955 }
1956 /*
1957 * 3.2.2.22 RR Cause
1958 * Octet 2 is coded as the equivalent field from 3GPP TS 24.008
1959 * Dissected in packet-gsm_a_rr.c
1960 */
1961 /*
1962 * 3.2.2.23 LSA Information
1963 */
1967 "Allowing emergency call"
1968 };
1970 static guint16
1971 be_lsa_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
1972 {
1973 guint32 curr_offset;
1977 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 7, ENC_BIG_ENDIAN);
1979 curr_offset++;
1982 /* LSA identification and attributes */
1983 /* 8 7 6 5 4 3 2 1
1984 * spare act pref priority
1985 */
1986 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 2, ENC_BIG_ENDIAN);
1990 curr_offset++;
1993 }
1996 }
1997 /*
1998 * [2] 3.2.2.24 Layer 3 Information
1999 */
2000 static guint16
2001 be_l3_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
2002 {
2003 guint32 curr_offset;
2011 /*
2012 * dissect the embedded DTAP message
2013 */
2016 /* This information element carries a radio interface message.
2017 In the case of an Intersystem handover to UMTS,
2018 this information element contains a HANDOVER TO UTRAN COMMAND message
2019 as defined in 3GPP TS 25.331.
2020 In the case of an Inter BSC handover,
2021 it contains an RR HANDOVER COMMAND message as defined in 3GPP TS 44.018.
2022 In the case of an Intersystem handover to cdma2000,
2023 this information element contains the HANDOVER TO CDMA2000 COMMAND message,
2024 as defined in 3GPP TS 44.018. */
2026 /* note that we can't (from this PDU alone) determine whether a handover is to UMTS or cdma2000
2027 Maybe if cdma2000 support is added later, a preference option would select dissection of cdma2000 or UMTS.
2028 If SCCP trace is enabled (and the cell discriminator has correctly appeared in an earlier PDU)
2029 then we will have remembered the discriminator */
2031 {
2032 proto_tree_add_text(tree, l3_tvb, curr_offset, len, "Cell Discriminator not initialised, try enabling the SCCP protocol option [Trace Associations], \n or maybe the file does not contain the PDUs needed for SCCP trace");
2033 }
2035 /* GSM */
2037 }
2040 /* UMTS or CDMA 2000 */
2042 }
2044 proto_tree_add_text(tree, l3_tvb, curr_offset, len, "Unrecognised Cell Discriminator %x",cell_discriminator);
2045 }
2051 }
2053 /*
2054 * [2] 3.2.2.25 DLCI
2055 */
2056 static guint16
2057 be_dlci(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2058 {
2059 guint8 oct;
2060 guint32 curr_offset;
2066 item =
2078 curr_offset++;
2080 /* no length check possible */
2083 }
2085 /*
2086 * [2] 3.2.2.26 Downlink DTX Flag
2087 */
2088 static guint16
2089 be_down_dtx_flag(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2090 {
2091 guint oct;
2092 guint32 curr_offset;
2098 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 7, ENC_BIG_ENDIAN);
2103 a_bigbuf,
2106 curr_offset++;
2108 /* no length check possible */
2111 }
2113 /*
2114 * [2] 3.2.2.27 Cell Identifier List
2115 */
2116 guint16
2117 be_cell_id_list(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string, int string_len)
2118 {
2119 guint8 oct;
2120 guint16 consumed;
2121 guint8 disc;
2122 guint8 num_cells;
2123 guint32 curr_offset;
2131 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2135 proto_tree_add_item(tree, hf_gsm_a_bssmap_be_cell_id_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2136 curr_offset++;
2141 do
2142 {
2143 item =
2154 consumed =
2155 be_cell_id_aux(tvb, subtree, pinfo, curr_offset, len - (curr_offset - offset), add_string, string_len, disc);
2164 num_cells++;
2165 }
2171 }
2176 }
2177 /*
2178 * 3.2.2.27a Cell Identifier List Segment
2179 */
2183 { 0x1, "Location Area Code, LAC, and Cell Identify, CI, is used to identify the cells within a given MCC and MNC"},
2186 { 0x4, "Location Area Identification, LAI, is used to identify all cells within a Location Area"},
2191 };
2193 static guint16
2194 be_cell_id_list_seg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2195 {
2196 guint32 curr_offset;
2200 /* Sequence Length */
2202 /* Sequence Number */
2204 curr_offset++;
2206 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2207 /* Cell identification discriminator */
2208 proto_tree_add_item(tree, hf_gsm_a_bssap_cell_id_list_seg_cell_id_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2209 curr_offset++;
2214 }
2216 /*
2217 * 3.2.2.27b Cell Identifier List Segment for established cells
2218 */
2219 static guint16
2220 be_cell_id_lst_seg_f_est_cells(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2221 {
2222 guint32 curr_offset;
2226 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2227 /* Cell identification discriminator */
2228 proto_tree_add_item(tree, hf_gsm_a_bssap_cell_id_list_seg_cell_id_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2229 curr_offset++;
2235 }
2236 /*
2237 * 3.2.2.27c Cell Identifier List Segment for cells to be established
2238 */
2239 static guint16
2240 be_cell_id_lst_seg_f_cell_tb_est(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2241 {
2242 guint32 curr_offset;
2246 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2247 /* Cell identification discriminator */
2248 proto_tree_add_item(tree, hf_gsm_a_bssap_cell_id_list_seg_cell_id_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2249 curr_offset++;
2255 }
2256 /*
2257 * 3.2.2.27d (void)
2258 */
2259 /*
2260 * 3.2.2.27e Cell Identifier List Segment for released cells - no user present
2261 */
2262 static guint16
2263 be_cell_id_lst_seg_f_rel_cell(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2264 {
2265 guint32 curr_offset;
2269 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2270 /* Cell identification discriminator */
2271 proto_tree_add_item(tree, hf_gsm_a_bssap_cell_id_list_seg_cell_id_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2272 curr_offset++;
2278 }
2279 /*
2280 * 3.2.2.27f Cell Identifier List Segment for not established cells - no establishment possible
2281 */
2282 static guint16
2283 be_cell_id_lst_seg_f_not_est_cell(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2284 {
2285 guint32 curr_offset;
2289 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2290 /* Cell identification discriminator */
2291 proto_tree_add_item(tree, hf_gsm_a_bssap_cell_id_list_seg_cell_id_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2292 curr_offset++;
2298 }
2299 /*
2300 * 3.2.2.28 Response Request
2301 * No data
2302 */
2303 /*
2304 * 3.2.2.29 Resource Indication Method
2305 */
2313 };
2314 static guint16
2315 be_res_ind_method(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2316 {
2317 guint32 curr_offset;
2321 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2323 curr_offset++;
2326 }
2328 /*
2329 * 3.2.2.30 Classmark Information Type 1
2330 * coded in the same way as the equivalent octet in the classmark 1 element of 3GPP TS 24.008
2331 * dissected in packet-gsm_a_common.c
2332 */
2333 /*
2334 * 3.2.2.31 Circuit Identity Code List
2335 */
2336 static guint16
2337 be_cic_list(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2338 {
2339 guint32 curr_offset;
2344 proto_tree_add_item(tree, hf_gsm_a_bssap_cic_list_status, tvb, (curr_offset+1), (len-1), ENC_NA);
2347 }
2348 /*
2349 * 3.2.2.32 Diagnostics
2350 */
2351 static guint16
2352 be_diag(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len , gchar *add_string _U_, int string_len _U_)
2353 {
2354 guint32 curr_offset;
2358 proto_tree_add_item(tree, hf_gsm_a_bssap_diag_error_pointer, tvb, curr_offset, 2, ENC_BIG_ENDIAN);
2364 }
2365 /*
2366 * [2] 3.2.2.33 Chosen Channel
2367 */
2386 };
2405 };
2412 };
2419 };
2421 { 0, "MOC, MTC, SMS MO, SMS MT, PDS MO, PDS MT, SS, Location Updates, IMSI attach, IMSI detach" },
2426 };
2427 static guint16
2428 be_chosen_chan(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2429 {
2430 guint32 curr_offset;
2434 /* Channel mode */
2439 curr_offset++;
2441 /* no length check possible */
2444 }
2446 /*
2447 * [2] 3.2.2.34 Cipher Response Mode
2448 */
2449 static guint16
2450 be_ciph_resp_mode(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2451 {
2452 guint8 oct;
2453 guint32 curr_offset;
2459 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 7, ENC_BIG_ENDIAN);
2465 a_bigbuf,
2468 curr_offset++;
2470 /* no length check possible */
2473 }
2476 /*
2477 * [2] 3.2.2.35 Layer 3 Message Contents
2478 */
2479 static guint16
2480 be_l3_msg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
2481 {
2487 /*
2488 * dissect the embedded DTAP message
2489 */
2492 /* Octet j (j = 3, 4, ..., n) is the unchanged octet j of a radio interface layer 3 message
2493 * as defined in 3GPP TS 24.008, n is equal to the length of that radio interface layer 3 message. */
2497 }
2499 /*
2500 * [2] 3.2.2.36 Channel Needed
2501 */
2502 static guint16
2503 be_cha_needed(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2504 {
2505 guint32 curr_offset;
2509 /* no length check possible */
2510 proto_tree_add_bits_item(tree, hf_gsm_a_rr_chnl_needed_ch1, tvb, (curr_offset<<3)+6, 2, ENC_BIG_ENDIAN);
2512 curr_offset++;
2515 }
2516 /*
2517 * 3.2.2.37 Trace Type
2518 * coded as the MSC/BSS Trace Type specified in 3GPP TS 52.008
2519 */
2520 static guint16
2521 be_trace_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2522 {
2523 guint32 curr_offset;
2524 gint bit_offset;
2529 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_trace_priority_indication, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
2530 bit_offset ++;
2531 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
2532 bit_offset ++;
2533 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_trace_bss_record_type, tvb, bit_offset, 2, ENC_BIG_ENDIAN);
2535 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_trace_msc_record_type, tvb, bit_offset, 2, ENC_BIG_ENDIAN);
2537 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_trace_invoking_event, tvb, bit_offset, 2, ENC_BIG_ENDIAN);
2538 /*bit_offset += 2;*/
2539 curr_offset++;
2541 /* no length check possible */
2544 }
2546 /*
2547 * [2] 3.2.2.38 TriggerID
2548 */
2549 static guint16
2550 be_trace_trigger_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2551 {
2552 guint32 curr_offset;
2556 proto_tree_add_item(tree, hf_gsm_a_bssmap_trace_trigger_id, tvb, curr_offset, len, ENC_ASCII|ENC_NA);
2559 /* no length check possible */
2562 }
2564 /* 3.2.2.39 Trace Reference */
2565 static guint16
2566 be_trace_reference(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2567 {
2568 guint32 curr_offset;
2573 proto_tree_add_item(tree, hf_gsm_a_bssmap_trace_reference, tvb, curr_offset, 2, ENC_BIG_ENDIAN);
2576 /* no length check possible */
2579 }
2580 /* 3.2.2.40 TransactionID */
2581 static guint16
2582 be_trace_transaction_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2583 {
2584 guint32 curr_offset;
2590 {
2591 proto_tree_add_item(tree, hf_gsm_a_bssmap_trace_reference, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
2592 curr_offset ++;
2593 }
2594 else
2595 {
2596 proto_tree_add_item(tree, hf_gsm_a_bssmap_trace_reference, tvb, curr_offset, 2, ENC_BIG_ENDIAN);
2598 }
2603 }
2604 /*
2605 * 3.2.2.41 Mobile Identity (IMSI, IMEISV or IMEI as coded in 3GPP TS 24.008)
2606 * Dissected in packet-gsm_a_common.c
2607 */
2608 /*
2609 * 3.2.2.42 OMCID
2610 * For the OMC identity, see 3GPP TS 52.021
2611 */
2612 static guint16
2613 be_trace_omc_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2614 {
2615 guint32 curr_offset;
2619 proto_tree_add_item(tree, hf_gsm_a_bssmap_trace_omc_id, tvb, curr_offset, len, ENC_ASCII|ENC_NA);
2622 /* no length check possible */
2625 }
2626 /*
2627 * [2] 3.2.2.43 Forward Indicator
2628 */
2629 static guint16
2630 be_for_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2631 {
2632 guint8 oct;
2633 guint32 curr_offset;
2640 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2643 {
2649 }
2655 a_bigbuf,
2656 str);
2658 curr_offset++;
2660 /* no length check possible */
2663 }
2665 /*
2666 * [2] 3.2.2.44 Chosen Encryption Algorithm
2667 */
2668 static guint16
2669 be_chosen_enc_alg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string, int string_len)
2670 {
2671 guint8 oct;
2672 guint32 curr_offset;
2680 {
2692 }
2697 str);
2699 curr_offset++;
2704 /* no length check possible */
2707 }
2709 /*
2710 * [2] 3.2.2.45 Circuit Pool
2711 */
2712 static guint16
2713 be_cct_pool(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string, int string_len)
2714 {
2715 guint8 oct;
2716 guint32 curr_offset;
2724 {
2726 }
2728 {
2730 }
2731 else
2732 {
2734 }
2739 oct,
2740 str);
2742 curr_offset++;
2747 /* no length check possible */
2750 }
2751 /*
2752 * 3.2.2.46 Circuit Pool List
2753 * 3.2.2.47 Time Indication
2754 * 3.2.2.48 Resource Situation
2755 */
2756 /*
2757 * [2] 3.2.2.49 Current Channel Type 1
2758 */
2759 static guint16
2760 be_curr_chan_1(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2761 {
2762 guint32 curr_offset;
2766 /* Channel mode */
2768 /* Channel */
2771 curr_offset++;
2773 /* no length check possible */
2776 }
2778 /*
2779 * [2] 3.2.2.50 Queuing Indicator
2780 */
2781 static guint16
2782 be_que_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2783 {
2784 guint8 oct;
2785 guint32 curr_offset;
2791 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 6, ENC_BIG_ENDIAN);
2797 a_bigbuf,
2800 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (curr_offset<<3)+7, 1, ENC_BIG_ENDIAN);
2802 curr_offset++;
2804 /* no length check possible */
2807 }
2809 /*
2810 * [2] 3.2.2.51 Speech Version
2811 */
2812 static guint16
2813 be_speech_ver(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string, int string_len)
2814 {
2815 guint8 oct;
2816 guint32 curr_offset;
2826 /* The bits 7-1 of octet 2 are coded in the same way as the permitted speech version identifier
2827 * in the Channel type information element.
2828 */
2831 {
2850 }
2856 a_bigbuf,
2857 str);
2859 curr_offset++;
2864 /* no length check possible */
2867 }
2868 /*
2869 * 3.2.2.52 Assignment Requirement
2870 */
2871 static guint16
2872 be_ass_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2873 {
2874 guint32 curr_offset;
2881 }
2882 /*
2883 * 3.2.2.53 (void)
2884 */
2885 /*
2886 * 3.2.2.54 Talker Flag
2887 * No data
2888 */
2889 /*
2890 * 3.2.2.55 Group Call Reference
2891 * The octets 3-7 are coded in the same way as the octets 2-6 in the
2892 * Descriptive group or broadcast call reference information element as defined in 3GPP TS 24.008.
2893 * dissected in packet-gsm_a_common.c (de_d_gb_call_ref)
2894 */
2895 /*
2896 * 3.2.2.56 eMLPP Priority
2897 * The call priority field (bit 3 to 1 of octet 2) is coded in the same way as the call priority field
2898 * (bit 3 to 1 of octet 5) in the Descriptive group or broadcast call reference information element as
2899 * defined in 3GPP TS 24.008.
2900 */
2911 };
2913 guint16
2914 be_emlpp_prio(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2915 {
2916 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, offset << 3, 5, ENC_BIG_ENDIAN);
2920 }
2922 /*
2923 * 3.2.2.57 Configuration Evolution Indication
2924 */
2935 };
2937 static guint16
2938 be_conf_evo_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2939 {
2940 guint32 curr_offset;
2944 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 4, ENC_BIG_ENDIAN);
2945 /* Subsequent Modification Indication */
2947 curr_offset++;
2950 }
2951 /*
2952 * 3.2.2.58 Old BSS to New BSS information
2953 */
2954 /* This function is only called from other protocols (e.g. RANAP),
2955 internally, the Field Element dissector is called directly */
2956 void
2958 {
2959 guint16 len;
2962 }
2970 }
2971 /*
2972 * 3.2.2.59 (void)
2973 * 3.2.2.60 LCS QoS
2974 * (The QoS octets 3 to n are coded in the same way as the equivalent octets
2975 * in the LCS QoS element of 3GPP TS 49.031.)
2976 */
2978 /*
2979 * 3.2.2.61 LSA Access Control Suppression
2980 */
2981 /*
2982 * 3.2.2.62 LCS Priority
2983 * The Priority octets 3 to n are coded in the same way as the equivalent octets
2984 * in the LCS Priority element of 3GPP TS 49.031.
2985 */
2986 /* Location Information definitions */
2991 };
2993 static guint16
2994 be_lcs_prio(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
2995 {
2996 guint32 curr_offset;
3000 /* This octet is coded as the LCS-Priority octet in 3GPP TS 29.002 */
3002 curr_offset++;
3005 }
3007 /*
3008 * 3.2.2.63 Location Type (Location Type element of 3GPP TS 49.031 BSSAP-LE.)
3009 */
3010 static guint16
3011 be_loc_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3012 {
3013 guint32 curr_offset;
3014 guint8 location_information;
3018 /* Extract the location information and add to protocol tree */
3020 proto_tree_add_item(tree, hf_gsm_a_bssmap_location_type_location_information, tvb, offset, 1, ENC_BIG_ENDIAN);
3021 curr_offset++;
3024 {
3025 /* protocol method */
3026 proto_tree_add_item(tree, hf_gsm_a_bssmap_location_type_positioning_method, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3027 curr_offset++;
3028 }
3031 }
3033 /*
3034 * 3.2.2.64 Location Estimate
3035 * The Location Estimate field is composed of 1 or more octets with an internal structure
3036 * according to 3GPP TS 23.032.
3037 */
3038 static guint16
3039 be_loc_est(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3040 {
3042 guint32 curr_offset;
3050 }
3051 /*
3052 * 3.2.2.65 Positioning Data
3053 * Positioning Data element of 3GPP TS 49.031 BSSAP-LE.
3054 */
3055 static guint16
3056 be_pos_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3057 {
3058 guint32 curr_offset;
3059 guint8 i;
3060 guint64 pos_data_disc;
3061 gint bit_offset;
3065 /* Spare bits */
3070 /* Extract the positioning data discriminator and add to protocol tree */
3071 proto_tree_add_bits_ret_val(tree, hf_gsm_a_bssmap_positioning_data_discriminator, tvb, bit_offset, 4, &pos_data_disc, ENC_BIG_ENDIAN);
3073 curr_offset++;
3076 {
3077 /* Extract the positioning methods and add to protocol tree */
3079 {
3080 /* Extract the positioning method and add to protocol tree */
3081 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_positioning_method, tvb, bit_offset, 5, ENC_BIG_ENDIAN);
3083 /* Extract the usage and add to protocol tree */
3084 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_positioning_method_usage, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
3086 curr_offset++;
3087 }
3088 }
3091 }
3092 /*
3093 * 3.2.2.66 LCS Cause
3094 * LCS Cause element of 3GPP TS 49.031 BSSAP-LE.
3095 * Dissected in packet-gsm_bssap_le.c
3096 */
3098 /*
3099 * 3.2.2.67 LCS Client Type
3100 * LCS Client Type element of 3GPP TS 49.031 BSSAP-LE.
3101 * Dissected in packet-gsm_bssap_le.c
3102 */
3104 /*
3105 * 3.2.2.68 3GPP TS 48.008 version 6.9.0 Release 6
3106 */
3108 /* BSSLAP the embedded message is as defined in 3GPP TS 48.071
3109 * LLP the embedded message contains a Facility Information Element as defined in 3GPP TS 44.071
3110 * excluding the Facility IEI and length of Facility IEI octets defined in 3GPP TS 44.071.
3111 * SMLCPP the embedded message is as defined in 3GPP TS 48.031
3112 */
3119 };
3121 static guint16
3122 be_apdu(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
3123 {
3124 guint32 curr_offset;
3125 guint8 apdu_protocol_id;
3132 /*
3133 * dissect the embedded APDU message
3134 * if someone writes a TS 09.31 dissector
3135 *
3136 * The APDU octets 4 to n are coded in the same way as the
3137 * equivalent octet in the APDU element of 3GPP TS 49.031 BSSAP-LE.
3138 */
3141 proto_tree_add_item(tree, hf_gsm_a_bssmap_apdu_protocol_id, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3142 curr_offset++;
3143 len--;
3147 /* BSSLAP
3148 * the embedded message is as defined in 3GPP TS 08.71(3GPP TS 48.071 version 7.2.0 Release 7)
3149 */
3155 /* LLP
3156 * The embedded message contains a Facility Information Element as defined in 3GPP TS 04.71
3157 * excluding the Facility IEI and length of Facility IEI octets defined in 3GPP TS 04.71.(3GPP TS 44.071).
3158 */
3161 /* SMLCPP
3162 * The embedded message is as defined in 3GPP TS 08.31(TS 48.031).
3163 */
3167 }
3174 }
3175 /*
3176 * 3.2.2.69 Network Element Identity
3177 * Network Element Identity element of 3GPP TS 49.031 BSSAP-LE.
3178 */
3179 /*
3180 * 3.2.2.70 GPS Assistance Data
3181 * Requested GPS Data element of 3GPP TS 49.031 BSSAP-LE.
3182 */
3183 static guint16
3184 be_gps_assist_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3185 {
3186 guint32 curr_offset;
3194 }
3195 /*
3196 * 3.2.2.71 Deciphering Keys
3197 * Deciphering Key element of 3GPP TS 49.031 BSSAP-LE.
3198 * Dissected in packet-gsm_bssmap_le.c
3199 */
3201 /* 3.2.2.72 Return Error Request
3202 * Return Error Request element of 3GPP TS 49.031 BSSAP-LE.
3203 */
3204 static guint16
3205 be_ret_err_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3206 {
3207 guint32 curr_offset;
3214 }
3215 /*
3216 * 3.2.2.73 Return Error Cause
3217 * Return Error Cause element of 3GPP TS 49.031 BSSAP-LE.
3218 */
3219 static guint16
3220 be_ret_err_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3221 {
3222 guint32 curr_offset;
3229 }
3230 /*
3231 * 3.2.2.74 Segmentation
3232 * Segmentation element of 3GPP TS 49.031 BSSAP-LE.
3233 */
3234 static guint16
3235 be_seg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3236 {
3237 guint32 curr_offset;
3244 }
3245 /*
3246 * 3.2.2.75 Service Handover
3247 */
3248 #if 0
3250 { 0, "Handover to UTRAN or cdma2000 should be performed - Handover to UTRAN or cdma2000 is preferred" },
3259 };
3260 #endif
3261 static guint16
3262 be_serv_ho(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3263 {
3264 guint32 curr_offset;
3268 /* Service Handover information */
3269 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 5, ENC_BIG_ENDIAN);
3271 curr_offset++;
3273 }
3275 /*
3276 * 3.2.2.76 Source RNC to target RNC transparent information (UMTS)
3277 */
3279 static guint16
3280 be_src_rnc_to_tar_rnc_umts(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3281 {
3283 guint32 curr_offset;
3287 /* The Source RNC to Target RNC transparent Information value is encoded as
3288 * the Source RNC to Target RNC Transparent Container IE as defined in relevant
3289 * RANAP specification 3GPP TS 25.413, excluding RANAP tag
3290 */
3292 dissect_ranap_SourceRNC_ToTargetRNC_TransparentContainer_PDU(container_tvb, pinfo, tree, NULL);
3295 }
3296 /*
3297 * 3.2.2.77 Source RNC to target RNC transparent information (cdma2000)
3298 */
3299 static guint16
3300 be_src_rnc_to_tar_rnc_cdma(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3301 {
3302 guint32 curr_offset;
3307 /* The Source RNC to Target RNC transparent Information value (structure and encoding)
3308 * for cdma2000 is defined in relevant specifications.
3309 */
3312 }
3313 /*
3314 * 3.2.2.78 GERAN Classmark
3315 */
3324 };
3327 "Not acceptable"
3328 };
3329 static guint16
3330 be_geran_cls_m(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3331 {
3332 guint32 curr_offset;
3338 }
3340 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 5, ENC_BIG_ENDIAN);
3341 proto_tree_add_item(tree, hf_gsm_a_bssmap_max_nb_traffic_chan, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3342 curr_offset++;
3343 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 3, ENC_BIG_ENDIAN);
3344 proto_tree_add_item(tree, hf_gsm_a_bssmap_acceptable_chan_coding_bit5, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3345 proto_tree_add_item(tree, hf_gsm_a_bssmap_acceptable_chan_coding_bit4, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3346 proto_tree_add_item(tree, hf_gsm_a_bssmap_acceptable_chan_coding_bit3, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3347 proto_tree_add_item(tree, hf_gsm_a_bssmap_acceptable_chan_coding_bit2, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3348 proto_tree_add_item(tree, hf_gsm_a_bssmap_acceptable_chan_coding_bit1, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3351 }
3352 /*
3353 * 3.2.2.79 GERAN BSC Container
3354 */
3355 static guint16
3356 be_geran_bsc_cont(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3357 {
3358 guint32 curr_offset;
3363 curr_offset++;
3365 proto_tree_add_item(tree, hf_gsm_a_bssmap_allowed_data_rate_bit8, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3366 proto_tree_add_item(tree, hf_gsm_a_bssmap_allowed_data_rate_bit7, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3367 proto_tree_add_item(tree, hf_gsm_a_bssmap_allowed_data_rate_bit6, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3368 proto_tree_add_item(tree, hf_gsm_a_bssmap_allowed_data_rate_bit5, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3369 proto_tree_add_item(tree, hf_gsm_a_bssmap_allowed_data_rate_bit4, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3370 proto_tree_add_item(tree, hf_gsm_a_bssmap_max_nb_traffic_chan, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3373 }
3374 /*
3375 * 3.2.2.80 New BSS to Old BSS Information
3376 */
3377 /* This function is only called from other protocols (e.g. RANAP),
3378 internally, the Field Element dissector is called directly */
3379 void
3381 {
3382 guint16 len;
3385 }
3393 }
3396 /*
3397 * 3.2.2.81 Inter-System Information
3398 */
3399 static guint16
3400 be_inter_sys_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3401 {
3408 }
3411 }
3412 /*
3413 * 3.2.2.82 SNA Access Information
3414 */
3415 static guint16
3416 be_sna_acc_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3417 {
3418 guint32 curr_offset;
3425 }
3427 /*
3428 * 3.2.2.83 VSTK_RAND Information
3429 */
3430 static guint16
3431 be_vstk_rand_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3432 {
3433 guint32 curr_offset;
3434 guint64 vstk_rand;
3441 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (((curr_offset+4)<<3)+4), 4, ENC_BIG_ENDIAN);
3444 }
3445 /*
3446 * 3.2.2.84 VSTK information
3447 */
3448 static guint16
3449 be_vstk_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3450 {
3454 }
3455 /*
3456 * 3.2.2.85 Paging Information
3457 */
3458 /*
3459 * If the VGCS/VBS flag is set to zero, the mobile station to be paged is not a member of any VGCS/VBS-group.
3460 * If the VGCS/VBS flag is set to one, the mobile station to be paged is a member of a VGCS/VBS-group.
3461 */
3464 "Not a member of any VGCS/VBS-group"
3465 };
3473 };
3475 static guint16
3476 be_paging_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3477 {
3478 guint32 curr_offset;
3482 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 5, ENC_BIG_ENDIAN);
3484 proto_tree_add_item(tree, hf_gsm_a_bssmap_paging_inf_flg, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3485 curr_offset++;
3488 }
3489 /*
3490 * 3.2.2.86 IMEI
3491 * Use same dissector as IMSI 3.2.2.6
3492 */
3494 /*
3495 * 3.2.2.87 Velocity Estimate
3496 */
3497 static guint16
3498 be_vel_est(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string, int string_len)
3499 {
3503 }
3504 /*
3505 * 3.2.2.88 VGCS Feature Flags
3506 */
3508 /* Bit 1 is the talker priority indicator (TP Ind). */
3511 "Talker Priority supported"
3512 };
3513 /* Bits 2 and 3 are the A-interface resource sharing indicator (AS Ind). */
3516 "No A-interface circuit sharing"
3517 };
3521 "No A-interface link sharing"
3522 };
3524 /* Bit 4 is the group or broadcast call re-establishment by the BSS indicator (Bss Res). */
3527 "No re-establishment of the group or broadcast call by the BSS"
3528 };
3530 /* Bit 5 is the Talker Channel Parameter (TCP). */
3532 "Talker channel parameter is applicable to this call, talker shall be established and maintained on a dedicated channel" ,
3533 "Talker channel parameter is not applicable to this call"
3534 };
3536 static guint16
3537 be_vgcs_feat_flg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3538 {
3539 guint32 curr_offset;
3543 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 3, ENC_BIG_ENDIAN);
3550 curr_offset++;
3553 }
3554 /*
3555 * 3.2.2.89 Talker Priority
3556 */
3563 };
3565 static guint16
3566 be_talker_pri(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3567 {
3568 guint32 curr_offset;
3573 curr_offset++;
3578 }
3580 /*
3581 * 3.2.2.90 Emergency Set Indication
3582 * No data
3583 */
3584 /*
3585 * 3.2.2.91 Talker Identity
3586 */
3587 static guint16
3588 be_talker_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3589 {
3590 guint32 curr_offset;
3594 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, curr_offset<<3, 5, ENC_BIG_ENDIAN);
3596 curr_offset++;
3600 }
3601 /*
3602 * 3.2.2.92 SMS to VGCS
3603 */
3604 static guint16
3605 be_sms_to_vgcs(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
3606 {
3607 /* The SMS content field is coded as follows - this field contains
3608 * the RP-DATA message as defined in 3GPP TS 24.011.
3609 */
3614 }
3615 /*
3616 * 3.2.2.93 VGCS talker mode
3617 */
3622 };
3641 };
3642 static guint16
3643 be_vgcs_talker_mode(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3644 {
3645 guint32 curr_offset;
3650 proto_tree_add_item(tree, hf_gsm_a_bssmap_group_cipher_key_nb, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3651 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, ((curr_offset<<3)+6), 2, ENC_BIG_ENDIAN);
3654 }
3655 /*
3656 * 3.2.2.94 VGCS/VBS Cell Status
3657 */
3660 { 1, "Cell is not established for the voice group or broadcast call. Establishment by the BSS is to be attempted"},
3662 { 3, "Cell is not established for the voice group or broadcast call. No establishment by the BSS is to be attempted"},
3668 };
3669 static guint16
3670 be_vgcs_vbs_cell_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3671 {
3672 guint32 curr_offset;
3676 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (curr_offset<<3), 5, ENC_BIG_ENDIAN);
3677 proto_tree_add_item(tree, hf_gsm_a_bssmap_vgcs_vbs_cell_status, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3680 }
3681 /*
3682 * 3.2.2.95 GANSS Assistance Data
3683 * The GANSS Assistance Data octets 3 to n are coded as the Requested GANSS Data element of 3GPP TS 49.031 (BSSAP-LE)
3684 * XXX move to packet-gsm_bssmap_le.c
3685 */
3686 guint16
3687 be_ganss_ass_dta(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3688 {
3689 guint32 curr_offset;
3696 }
3697 /*
3698 * 3.2.2.96 GANSS Positioning Data
3699 * XXX move to packet-gsm_bssmap_le.c
3700 */
3708 };
3717 };
3724 { 0x04, "Attempted successfully: case where MS supports multiple mobile based positioning methods and the actual method or methods used by the MS cannot be determined" },
3726 };
3728 guint16
3729 be_ganss_pos_dta(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3730 {
3731 guint32 curr_offset;
3738 curr_offset++;
3741 }
3742 /*
3743 * 3.2.2.97 GANSS Location Type
3744 */
3745 guint16
3746 be_ganss_loc_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3747 {
3748 guint32 curr_offset;
3755 }
3756 /*
3757 * 3.2.2.98 Application Data
3758 */
3759 guint16
3760 be_app_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3761 {
3762 guint32 curr_offset;
3769 }
3770 /*
3771 * 3.2.2.99 Data Identity
3772 */
3773 guint16
3774 be_app_data_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
3775 {
3779 }
3780 /*
3781 * 3.2.2.100 Application Data Information
3782 */
3785 "BSS has not transmitted the application data to cells"
3786 };
3787 static guint16
3788 be_app_data_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3789 {
3790 guint32 curr_offset;
3794 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (curr_offset<<3), 7, ENC_BIG_ENDIAN);
3798 }
3799 /*
3800 * 3.2.2.101 MSISDN
3801 * Octets 3-12 contain the digits of an MSISDN, coded as in 3GPP TS 24.008, Calling party BCD number, octets 4 - 13.
3802 */
3803 static guint16
3804 be_msisdn(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
3805 {
3811 }
3814 }
3815 /*
3816 * 3.2.2.102 AoIP Transport Layer Address
3817 */
3818 static guint16
3819 be_aoip_trans_lay_add(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3820 {
3821 guint32 curr_offset;
3822 guint8 addr_type;
3823 guint32 rtp_ipv4_address;
3824 guint16 rtp_port;
3825 address rtp_dst_addr;
3830 /* This Information Element provides either an IPv4 or and IPv6 Address and UDP port value
3831 * for the Transport Layer information of the connection end point.
3832 * The Length differentiates between IPv4 and IPv6.
3833 */
3836 /* IPv4 */
3838 proto_tree_add_item(tree, hf_gsm_a_bssmap_aoip_trans_ipv4, tvb, curr_offset, 4, ENC_BIG_ENDIAN);
3843 /* IPv6 */
3850 /* Bogus */
3853 }
3854 proto_tree_add_item(tree, hf_gsm_a_bssmap_aoip_trans_port, tvb, curr_offset, 2, ENC_BIG_ENDIAN);
3860 /* IPv4 */
3866 /* IPv6 */
3871 }
3876 }
3878 }
3879 /*
3880 * 3.2.2.103 Speech Codec List
3881 */
3882 /*
3883 FR_AMR is coded '011'
3884 S11, S13 and S15 are reserved and coded with zeroes.
3885 HR_AMR is coded '100'
3886 S6 - S7 and S11 - S15 are reserved and coded with zeroes.
3887 OHR_AMR is coded '011'
3888 S11, S13 and S15 are reserved and coded with zeroes.
3890 FR_AMR-WB is coded '001'
3891 S0 is set to '1' S1 - S7 are reserved and coded with zeroes.
3892 OFR_AMR-WB is coded '100'
3893 S0, S2, S4 indicates the supported Codec Configurations. S1, S3, S5, S6, S7 are reserved and coded with zeroes.
3894 OHR_AMR-WB is coded '101'
3895 S0 is set to '1' S1 - S7 are reserved and coded with zeroes.
3898 8 7 6 5 4 3 2 1
3899 FI PI PT TF Codec Type (FR_AMR-WB or OFR_AMR-WB or OHR_AMR-WB)
3900 S7 S6 S5 S4 S3 S2 S1 S0
3903 */
3906 "AoIP with Compressed speech via RTP/UDP/IP is not supported by the BSS/Not Preferred by the MSC"
3907 };
3910 "TFO is not supported by the BSS or TFO support is not preferred by the MSC for this Codec Type"
3911 };
3913 "Transport of PCM over A-Interface via RTP/UDP/IP is supported by the BSS or preferred by the MSC for this Codec Type",
3914 "PCM over A interface with IP as transport is not supported by the BSS or not preferred by the MSC for this Codec Type"
3915 };
3918 "PCM over A-Interface with TDM as transport is not supported by the BSS or not preferred by the MSC for this Codec Type"
3919 };
3920 /* 26.103 Table 6.3-1: Coding of the selected Codec_Type (long form) */
3942 };
3943 static value_string_ext bssap_speech_codec_values_ext = VALUE_STRING_EXT_INIT(bssap_speech_codec_values);
3948 };
3950 static guint16
3951 be_speech_codec_lst(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
3952 {
3954 guint8 codec;
3962 number++;
3969 /* GSM_FR is coded "0000" */
3970 /* fall through */
3972 /* GSM_HR is coded "0001" */
3973 /* fall through */
3975 /* GSM_EFR is coded "0010" */
3976 /* fall through */
3977 /* FI indicates Full IP */
3979 /* PI indicates PCMoIP */
3981 /* PT indicates PCMoTDM */
3983 /* TF indicates TFO support */
3985 /* Codec Type */
3986 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
3989 bssap_speech_codec_values,
3991 curr_offset++;
3992 consumed++;
3995 /* fall through */
3997 /* fall through */
3999 /* FR_AMR is coded '011'
4000 * HR_AMR is coded '100'
4001 * OHR_AMR is coded '1011'
4002 */
4003 /* FI indicates Full IP */
4005 /* PI indicates PCMoIP */
4007 /* PT indicates PCMoTDM */
4009 /* TF indicates TFO support */
4011 /* Codec Type */
4012 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4015 bssap_speech_codec_values,
4017 curr_offset++;
4018 consumed++;
4024 /* fall through */
4026 /* fall through */
4028 /* FR_AMR-WB is coded '1001'
4029 * OFR_AMR-WB is coded '1100'
4030 * OHR_AMR-WB is coded '1101'
4031 */
4032 /* FI indicates Full IP */
4034 /* PI indicates PCMoIP */
4036 /* PT indicates PCMoTDM */
4038 /* TF indicates TFO support */
4040 /* Codec Type */
4041 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4044 bssap_speech_codec_values,
4046 curr_offset++;
4047 consumed++;
4049 curr_offset++;
4050 consumed++;
4053 /* Currently (3GPP TS 48.008 version 9.4.0 Release 9) CSData Codec Type is the only extended one */
4054 /* PI indicates PCMoIP */
4056 /* PT indicates PCMoTDM */
4058 /* Codec Type */
4059 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4060 curr_offset++;
4061 consumed++;
4062 /* Codec Extension */
4063 proto_tree_add_item(subtree, hf_gsm_a_bssap_extended_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4066 bssap_extended_codec_values,
4068 curr_offset++;
4069 consumed++;
4070 proto_tree_add_item(subtree, hf_gsm_a_bssap_extended_codec_r2, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4071 proto_tree_add_item(subtree, hf_gsm_a_bssap_extended_codec_r3, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4072 curr_offset++;
4073 consumed++;
4076 proto_tree_add_text(subtree, tvb, curr_offset, 2,"Unknown codec - the rest of the dissection my be suspect");
4080 }
4081 }
4084 }
4085 /*
4086 * 3.2.2.104 Speech Codec
4087 */
4090 "Compressed speech via RTP/UDP/IP is not selected for this Codec Type"
4091 };
4094 "TFO Support is not selected for this Codec Type"
4095 };
4098 "PCM over A interface with RTP/UDP/IP is not selected for this Codec Type"
4099 };
4102 "PCM over A-Interface with TDM as transport is not selected for this Codec Type"
4103 };
4104 static guint16
4105 be_speech_codec(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4106 {
4108 guint8 codec;
4116 number++;
4123 /* GSM_FR is coded "0000" */
4124 /* fall through */
4126 /* GSM_HR is coded "0001" */
4127 /* fall through */
4129 /* GSM_EFR is coded "0010" */
4130 /* fall through */
4131 /* FI indicates Full IP */
4133 /* PI indicates PCMoIP */
4135 /* PT indicates PCMoTDM */
4137 /* TF indicates TFO support */
4139 /* Codec Type */
4140 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4143 bssap_speech_codec_values,
4145 curr_offset++;
4146 consumed++;
4149 /* fall through */
4151 /* fall through */
4153 /* FR_AMR is coded '011'
4154 * HR_AMR is coded '100'
4155 * OHR_AMR is coded '1011'
4156 */
4157 /* FI indicates Full IP */
4159 /* PI indicates PCMoIP */
4161 /* PT indicates PCMoTDM */
4163 /* TF indicates TFO support */
4165 /* Codec Type */
4166 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4169 bssap_speech_codec_values,
4171 curr_offset++;
4172 consumed++;
4178 /* fall through */
4180 /* fall through */
4182 /* FR_AMR-WB is coded '1001'
4183 * OFR_AMR-WB is coded '1100'
4184 * OHR_AMR-WB is coded '1101'
4185 */
4186 /* FI indicates Full IP */
4188 /* PI indicates PCMoIP */
4190 /* PT indicates PCMoTDM */
4192 /* TF indicates TFO support */
4194 /* Codec Type */
4195 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4198 bssap_speech_codec_values,
4200 curr_offset++;
4201 consumed++;
4203 curr_offset++;
4204 consumed++;
4207 /* Currently (3GPP TS 48.008 version 9.4.0 Release 9) CSData Codec Type is the only extended one */
4208 /* PI indicates PCMoIP */
4210 /* PT indicates PCMoTDM */
4212 /* Codec Type */
4213 proto_tree_add_item(subtree, hf_gsm_a_bssap_speech_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4214 curr_offset++;
4215 consumed++;
4216 /* Codec Extension */
4217 proto_tree_add_item(subtree, hf_gsm_a_bssap_extended_codec, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4218 curr_offset++;
4219 consumed++;
4220 proto_tree_add_item(subtree, hf_gsm_a_bssap_extended_codec_r2, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4221 proto_tree_add_item(subtree, hf_gsm_a_bssap_extended_codec_r3, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4222 curr_offset++;
4223 consumed++;
4226 proto_tree_add_text(subtree, tvb, curr_offset, 2, "Unknown codec - the rest of the dissection my be suspect");
4230 }
4231 }
4234 }
4235 /*
4236 * 3.2.2.105 Call Identifier
4237 */
4238 static guint16
4239 be_call_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4240 {
4241 guint32 curr_offset;
4245 /* Call Identifier (least significant bits) octet 2
4246 * Call Identifier octet 3
4247 * Call Identifier octet 4
4248 * Call Identifier (most significant bits) octet 5
4249 */
4254 }
4255 /*
4256 * 3.2.2.106 Call Identifier List
4257 */
4258 static guint16
4259 be_call_id_lst(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4260 {
4261 guint32 curr_offset;
4265 proto_tree_add_text(tree, tvb, curr_offset, len, "all resources and references associated to all Call Identifiers in use between the BSC and the MSC need to be released");
4266 }
4270 }
4273 }
4274 /*
4275 * 3.2.2.107 A-Interface Selector for RESET
4276 */
4279 "calls associated to IP links shall not be cleared"
4280 };
4283 "calls associated to TDM links shall not be cleared"
4284 };
4285 static guint16
4286 be_a_itf_sel_for_reset(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4287 {
4288 guint32 curr_offset;
4291 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, (curr_offset<<3), 6, ENC_BIG_ENDIAN);
4294 curr_offset++;
4297 }
4298 /*
4299 * 3.2.2.109 Kc128
4300 */
4301 static guint16
4302 be_kc128(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4303 {
4304 guint32 curr_offset;
4311 }
4312 /*
4313 * 3.2.2.110 CSG Identifier
4314 */
4319 };
4322 "CSG cell"
4323 };
4324 static guint16
4325 be_csg_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
4326 {
4327 guint32 bit_offset;
4330 proto_tree_add_split_bits_item_ret_val(tree, hf_gsm_a_bssmap_csg_id, tvb, bit_offset, gsm_a_bssmap_csg_id_crumbs, NULL);
4332 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_spare_bits, tvb, bit_offset, 7, ENC_BIG_ENDIAN);
4334 proto_tree_add_bits_item(tree, hf_gsm_a_bssmap_cell_access_mode, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
4337 }
4339 /*
4340 * 3.2.2.111 Redirect Attempt Flag
4341 * No data
4342 */
4344 /*
4345 * 3.2.2.112 Reroute Reject Cause
4346 */
4347 /*
4348 * Reroute Reject cause value (octet 2)
4349 */
4371 };
4373 static guint16
4374 be_reroute_rej_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4375 {
4376 guint32 curr_offset;
4384 }
4386 /*
4387 * 3.2.2.113 Send Sequence Number
4388 */
4389 static guint16
4390 be_send_seqn(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4391 {
4392 guint32 curr_offset;
4400 }
4402 /*
4403 * 3.2.2.114 Reroute complete outcome
4404 */
4411 };
4413 static guint16
4414 be_reroute_outcome(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4415 {
4416 guint32 curr_offset;
4424 }
4426 /*
4427 * 3.2.2.115 Global Call Reference
4428 */
4429 static guint16
4430 be_global_call_ref(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
4431 {
4432 guint32 curr_offset;
4435 /* Global Call Reference Identifier */
4440 }
4441 /*
4442 * 3.2.2.116 LCLS-Configuration
4443 */
4448 { 0x3, "Connect both-way and send access DL from the core network, block local DL user data" },
4449 { 0x4, "Connect both-way and bi-cast UL to the core network with send access DL from the core network" },
4450 { 0x5, "Connect both-way and bi-cast UL to the core network with send access DL from the core network, block local DL user data" },
4452 };
4454 static guint16
4455 be_lcls_conf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4456 {
4457 guint32 curr_offset;
4465 }
4467 /*
4468 * 3.2.2.117 LCLS-Connection-Status-Control
4469 */
4477 };
4479 static guint16
4480 be_lcls_con_status_control(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4481 {
4482 guint32 curr_offset;
4485 proto_tree_add_item(tree, hf_gsm_a_bssmap_lcls_con_status_control, tvb, curr_offset, 1, ENC_NA);
4490 }
4492 /*
4493 * 3.2.2.118 LCLS-Correlation-Not-Needed
4494 * No data
4495 */
4497 /*
4498 * 3.2.2.119 LCLS-BSS-Status
4499 */
4507 };
4509 static guint16
4510 be_lcls_bss_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4511 {
4512 guint32 curr_offset;
4520 }
4522 /*
4523 * 3.2.2.120 LCLS-Break-Request
4524 * No data
4525 */
4527 /*
4528 * 3.2.2.121 CSFB Indication
4529 * No data
4530 */
4532 /*
4533 * 3.2.2.123 Source eNB to target eNB transparent information (E-UTRAN)
4534 */
4536 /*
4537 * 3.2.2.124 CS to PS SRVCC Indication
4538 */
4540 /*
4541 * 3.2.2.125 CN to MS transparent information
4542 */
4544 /*
4545 * 3.2.2.126 Selected PLMN ID
4546 */
4547 static guint16
4548 be_selected_plmn_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4549 {
4551 proto_tree_add_string(tree, hf_gsm_a_bssmap_selected_plmn_id, tvb, offset, 3, dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, offset, TRUE));
4554 }
4557 guint16 (*bssmap_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len) = {
4672 be_cell_id_lst_seg_f_cell_tb_est, /* Cell Identifier List Segment for cells to be established */
4673 be_cell_id_lst_seg_f_rel_cell, /* Cell Identifier List Segment for released cells - no user present */
4674 be_cell_id_lst_seg_f_not_est_cell, /* Cell Identifier List Segment for not established cells - no establishment possible */
4702 #if 0
4704 BE_SRC_ENB_2_TGT_ENB_TRANSP_INF, /* Source eNB to target eNB transparent information (E-UTRAN)" 3.2.2.123 */
4707 #endif
4709 NULL /* NONE */
4711 };
4712 /* 3.2.3 Signalling Field Element Coding */
4713 /* 3.2.3.1 Extra information */
4715 { 0, "The old BSS recommends that this allocation request should not cause a pre-emption an existing connection" },
4716 { 1, "The old BSS recommends that this allocation request is allowed to preempt an existing connection based on the information supplied in the Priority information element, if available" },
4718 };
4722 { 1, "An ongoing LCS procedure was interrupted by handover. The new BSS may notify the SMLC when the handover is completed" },
4724 };
4730 };
4732 static guint16
4733 be_fe_extra_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4734 {
4735 guint32 curr_offset;
4742 curr_offset++;
4745 }
4747 /* 3.2.3.2 Current Channel type 2 */
4748 static guint16
4749 be_fe_cur_chan_type2(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4750 {
4751 guint32 curr_offset;
4754 proto_tree_add_item(tree, hf_fe_cur_chan_type2_chan_mode, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4755 proto_tree_add_item(tree, hf_fe_cur_chan_type2_chan_mode_spare, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4756 curr_offset++;
4757 proto_tree_add_item(tree, hf_fe_cur_chan_type2_chan_field, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4758 proto_tree_add_item(tree, hf_fe_cur_chan_type2_chan_field_spare, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4759 curr_offset++;
4762 }
4764 /* 3.2.3.3 Target cell radio information */
4765 static guint16
4766 be_fe_target_radio_cell_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4767 {
4768 guint32 curr_offset;
4771 proto_tree_add_item(tree, hf_fe_target_radio_cell_info_rxlev_ncell, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4772 proto_tree_add_item(tree, hf_fe_target_radio_cell_info_rxlev_ncell_spare, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4773 curr_offset++;
4776 }
4778 /* 3.2.3.4 GPRS Suspend Information */
4779 static guint16
4780 be_fe_gprs_suspend_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4781 {
4784 /* This Field Element contains the contents of the Gb interface SUSPEND ACK PDU,
4785 Call the BSSGP dissector here, assuming that the encoding is per 48.018 */
4792 }
4794 /* 3.2.3.5 MultiRate configuration Information */
4796 /* 3.2.3.6 Dual Transfer Mode information */
4801 };
4807 };
4813 };
4815 static guint16
4816 be_fe_dual_transfer_mode_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4817 {
4818 guint32 curr_offset;
4825 curr_offset++;
4828 }
4830 /* 3.2.3.7 Inter RAT Handover Info */
4831 static guint16
4832 be_fe_inter_rat_handover_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4833 {
4836 /* Octets 3-n are encoded as Inter RAT Handover Info as defined in 3GPP TS 25.331 */
4841 }
4843 /* 3.2.3.8 cdma2000 Capability Information */
4845 /* 3.2.3.9 Downlink Cell Load Information */
4847 /* 3.2.3.10 Uplink Cell Load Information */
4854 { 3, "NRT overload. (Probability to admit a new user is low, packets are discarded and the source is recommended to reduce the data flow.)" },
4856 };
4858 /* 3.2.3.11 Cell Load Information Group */
4859 static guint16
4860 be_fe_cell_load_info_group(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4861 {
4862 guint32 curr_offset;
4866 curr_offset += be_field_element_dissect(tvb, tree, pinfo, curr_offset, len + offset - curr_offset, NULL, 0);
4869 }
4871 /* 3.2.3.12 Cell Load Information */
4872 static guint16
4873 be_fe_cell_load_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4874 {
4875 guint32 curr_offset;
4878 proto_tree_add_item(tree, hf_fe_cell_load_info_cell_capacity_class, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4879 curr_offset++;
4880 proto_tree_add_item(tree, hf_fe_cell_load_info_load_value, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4881 curr_offset++;
4882 proto_tree_add_item(tree, hf_fe_cell_load_info_rt_load_value, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4883 curr_offset++;
4884 proto_tree_add_item(tree, hf_fe_cell_load_info_nrt_load_information_value, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4885 curr_offset++;
4888 }
4890 /* 3.2.3.13 PS Indication */
4891 static guint16
4892 be_fe_ps_indication(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4893 {
4894 guint32 curr_offset;
4898 curr_offset++;
4901 }
4903 /* 3.2.3.14 DTM Handover Command Indication */
4904 static guint16
4905 be_fe_dtm_ho_command_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4906 {
4907 guint32 curr_offset;
4910 proto_tree_add_item(tree, hf_fe_dtm_ho_command_ind_spare, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
4911 curr_offset++;
4914 }
4916 static guint16 (*bssmap_bss_to_bss_element_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_) = {
4932 but does appear in old bss to new bss info */
4934 };
4936 #define NUM_BSS_ELEMENT_FCNS (int)(sizeof(bssmap_bss_to_bss_element_fcn)/(sizeof bssmap_bss_to_bss_element_fcn[0]))
4938 static guint16
4939 be_field_element_dissect(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
4940 {
4942 gint idx;
4951 guint8 oct;
4952 /*
4953 * add name
4954 */
4963 /*
4964 * add Field Element name
4965 */
4972 /*
4973 * decode field element
4974 */
4977 {
4982 }
4983 else
4984 {
4985 /* dissect the field element */
4986 curr_offset += (*bssmap_bss_to_bss_element_fcn[idx])(tvb, bss_to_bss_tree, pinfo, curr_offset, ie_len, NULL, 0);
4988 EXTRANEOUS_DATA_CHECK_EXPERT(ie_len, curr_offset - fe_start_offset, pinfo, &ei_gsm_a_bssmap_extraneous_data);
4990 }
4991 }
4993 }
4994 /* MESSAGE FUNCTIONS */
4996 /*
4997 * [2] 3.2.1.1 ASSIGNMENT REQUEST
4998 * 48.008 8.4.0
4999 */
5000 static void
5001 bssmap_ass_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5002 {
5003 guint32 curr_offset;
5004 guint32 consumed;
5005 guint curr_len;
5010 /* Channel Type 3.2.2.11 MSC-BSS M 5-13 */
5012 /* Layer 3 Header Information 3.2.2.9 MSC-BSS O (note 3) 4 */
5014 /* Priority 3.2.2.18 MSC-BSS O 3 */
5016 /* Circuit Identity Code 3.2.2.2 MSC-BSS O (note 1, 12 3 */
5018 /* Downlink DTX Flag 3.2.2.26 MSC-BSS O (note 2) 2 */
5020 /* Interference Band To Be Used 3.2.2.21 MSC-BSS O 2 */
5022 /* Classmark Information 2 3.2.2.19 MSC-BSS O (note 4) 4-5 */
5024 /* Group Call Reference 3.2.2.55 MSC-BSS O (note 5) 7 */
5026 /* Talker Flag 3.2.2.54 MSC-BSS O (note 6) 1 */
5028 /* Configuration Evolution Indication 3.2.2.57 MSC-BSS O (note 7) 2 */
5030 /* LSA Access Control Suppression 3.2.2.61 MSC-BSS O (note 8) 2 */
5032 /* Service Handover 3.2.2.75 MSC-BSS O (note 9) 3 */
5034 /* Encryption Information 3.2.2.10 MSC-BSS O (note 10) 3-n */
5036 /* Talker Priority 3.2.2.89 MSC-BSS O (note 11) 2 */
5038 /* AoIP Transport Layer Address (MGW) 3.2.2.102 MSC-BSS O (note 12) 10-22 */
5040 /* Codec List (MSC Preferred) 3.2.2.103 MSC-BSS O (note 13) 3-n */
5041 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(MSC Preferred)");
5042 /* Call Identifier 3.2.2.105 MSC-BSS O (note 12) 5 */
5044 /* Kc128 3.2.2.109 MSC-BSS C (note 15) 17 */
5048 }
5050 /*
5051 * [2] 3.2.1.2 ASSIGNMENT COMPLETE
5052 */
5053 static void
5054 bssmap_ass_complete(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5055 {
5056 guint32 curr_offset;
5057 guint32 consumed;
5058 guint curr_len;
5063 /* RR Cause 3.2.2.22 BSS-MSC O 2 */
5065 /* Circuit Identity Code 3.2.2.2 BSS-MSC O (note 4) 3 */
5067 /* Cell Identifier 3.2.2.17 BSS-MSC O (note 1) 3-10 */
5069 /* Chosen Channel 3.2.2.33 BSS-MSC O (note 3) 2 */
5071 /* Chosen Encryption Algorithm 3.2.2.44 BSS-MSC O (note 5) 2 */
5073 /* Circuit Pool 3.2.2.45 BSS-MSC O (note 2) 2 */
5075 /* Speech Version (Chosen) 3.2.2.51 BSS-MSC O (note 6) 2 */
5077 /* LSA Identifier 3.2.2.15 BSS-MSC O (note 7) 5 */
5079 /* Talker Priority 3.2.2.89 BSS-MSC O (note 8) 2 */
5081 /* AoIP Transport Layer Address (BSS) 3.2.2.102 BSS-MSC O (note 9) 10-22 */
5083 /* Speech Codec (Chosen) 3.2.2.104 BSS-MSC O (note 10) 3-5 */
5085 /* Codec List (BSS supported) 3.2.2.103 MSC-BSS O (note 11) 3-n */
5086 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
5089 }
5091 /*
5092 * [2] 3.2.1.3 ASSIGNMENT FAILURE
5093 */
5094 static void
5095 bssmap_ass_failure(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5096 {
5097 guint32 curr_offset;
5098 guint32 consumed;
5099 guint curr_len;
5104 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
5106 /* RR Cause 3.2.2.22 BSS-MSC O 2 */
5108 /* Circuit Pool 3.2.2.45 BSS-MSC O (note 1) 2 */
5110 /* Circuit Pool List 3.2.2.46 BSS-MSC O (note 2) V */
5112 /* Talker Priority 3.2.2.89 BSS-MSC O (note 3) 2 */
5114 /* Codec List (BSS Supported) 3.2.2.103 BSS-MSC O (note 4) 3-n */
5115 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
5118 }
5120 /*
5121 * [2] 3.2.1.4 BLOCK
5122 */
5123 static void
5124 bssmap_block(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5125 {
5126 guint32 curr_offset;
5127 guint32 consumed;
5128 guint curr_len;
5133 /* Circuit Identity Code 3.2.2.2 both M 3*/
5135 /* Cause 3.2.2.5 both M 3-4 */
5137 /* Connection Release Requested 3.2.2.3 MSC-BSS O 1 */
5141 }
5143 /*
5144 * [2] 3.2.1.5 BLOCKING ACKNOWLEDGE
5145 */
5147 static void
5148 bssmap_block_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5149 {
5150 guint32 curr_offset;
5151 guint32 consumed;
5152 guint curr_len;
5157 /* Circuit Identity Code 3.2.2.2 both M 3 */
5161 }
5163 /*
5164 * [2] 3.2.1.6 UNBLOCK
5165 */
5166 static void
5167 bssmap_unblock(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5168 {
5169 guint32 curr_offset;
5170 guint32 consumed;
5171 guint curr_len;
5176 /* Circuit Identity Code 3.2.2.2 both M 3 */
5180 }
5182 /*
5183 * [2] 3.2.1.7 UNBLOCKING ACKNOWLEDGE
5184 */
5185 static void
5186 bssmap_unblock_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5187 {
5188 guint32 curr_offset;
5189 guint32 consumed;
5190 guint curr_len;
5195 /* Circuit Identity Code 3.2.2.2 both M 3 */
5199 }
5201 /*
5202 * [2] 3.2.1.8 HANDOVER REQUEST
5203 */
5204 static void
5205 bssmap_ho_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5206 {
5207 guint32 curr_offset;
5208 guint32 consumed;
5209 guint curr_len;
5214 /* Channel Type 3.2.2.11 MSC-BSS M 5-13 */
5216 /* Encryption Information 3.2.2.10 MSC-BSS M (note 1) 3-n */
5219 /* Classmark Information 1 3.2.2.30 MSC-BSS M# 2
5220 * or
5221 * Classmark Information 2 3.2.2.19 MSC-BSS M (note 6) 4-5
5222 */
5226 /* Cell Identifier (Serving) 3.2.2.17 MSC-BSS M (note 20) 5-10 */
5228 /* Priority 3.2.2.18 MSC-BSS O 3 */
5230 /* Circuit Identity Code 3.2.2.2 MSC-BSS O (note 7, 28 3 */
5232 /* Downlink DTX Flag 3.2.2.26 MSC-BSS O (note 3) 2 */
5234 /* Cell Identifier (Target) 3.2.2.17 MSC-BSS M (note 17) 3-10 */
5236 /* Interference Band To Be Used 3.2.2.21 MSC-BSS O 2 */
5238 /* Cause 3.2.2.5 MSC-BSS O (note 9) 3-4 */
5240 /* Classmark Information 3 3.2.2.20 MSC-BSS O (note 4) 3-34 */
5242 /* Current Channel type 1 3.2.2.49 MSC-BSS O (note 8) 2 */
5244 /* Speech Version (Used) 3.2.2.51 MSC-BSS O (note 10) 2 */
5246 /* Group Call Reference 3.2.2.55 MSC-BSS O (note 5) 7 */
5248 /* Talker Flag 3.2.2.54 MSC-BSS O (note 11) 1 */
5250 /* Configuration Evolution Indication 3.2.2.57 MSC-BSS O (note 12) 2 */
5252 /* Chosen Encryption Algorithm (Serving) 3.2.2.44 MSC-BSS O (note 2) 2 */
5254 /* Old BSS to New BSS Information 3.2.2.58 MSC-BSS O (note 13) 2-n */
5256 /* LSA Information 3.2.2.23 MSC-BSS O (note 14) 3+4n */
5258 /* LSA Access Control Suppression 3.2.2.61 MSC-BSS O (note 15) 2 */
5260 /* Service Handover 3.2.2.75 MSC-BSS O (note 21) 3 */
5262 /* IMSI 3.2.2.6 MSC-BSC O (note 16) 3-10 */
5264 /* Source RNC to target RNC transparent information (UMTS) 3.2.2.76 MSC-BSS O (note 18) n-m */
5265 ELEM_OPT_TLV(BE_SRC_RNC_TO_TAR_RNC_UMTS, GSM_A_PDU_TYPE_BSSMAP, BE_SRC_RNC_TO_TAR_RNC_UMTS, NULL);
5266 /* Source RNC to target RNC transparent information (cdma2000) 3.2.2.77 MSC-BSS O (note 19) n-m */
5267 ELEM_OPT_TLV(BE_SRC_RNC_TO_TAR_RNC_CDMA, GSM_A_PDU_TYPE_BSSMAP, BE_SRC_RNC_TO_TAR_RNC_CDMA, NULL);
5268 /* SNA Access Information 3.2.2.82 MSC-BSC O (note 22) 2+n */
5270 /* Talker Priority 3.2.2.89 MSC-BSC O (note 23) 2 */
5272 /* AoIP Transport Layer Address (MGW) 3.2.2.102 MSC-BSS O (note 24) 10-22 */
5274 /* Codec List (MSC Preferred) 3.2.2.103 MSC-BSS O (note 25) 3-n */
5275 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(MSC Preferred)");
5276 /* Call Identifier 3.2.2.105 MSC-BSS O (note 24) 5 */
5278 /* Kc128 3.2.2.109 MSC-BSS C (note 27) 17 */
5282 }
5284 /*
5285 * [2] 3.2.1.9 HANDOVER REQUIRED
5286 */
5287 static void
5288 bssmap_ho_reqd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5289 {
5290 guint32 curr_offset;
5291 guint32 consumed;
5292 guint curr_len;
5297 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
5299 /* Response Request 3.2.2.28 BSS-MSC O (note 8) 1 */
5301 /* Cell Identifier List (Preferred) 3.2.2.27 BSS-MSC M (note 4) 2n+3 to 7n+3 */
5303 /* Circuit Pool List 3.2.2.46 BSS-MSC O (note 1) V */
5305 /* Current Channel Type 1 3.2.2.49 BSS-MSC O (note 2) 2 */
5307 /* Speech Version (Used) 3.2.2.51 BSS-MSC O (note 3) 2 */
5309 /* Queueing Indicator 3.2.2.50 BSS-MSC O 2 */
5311 /* Old BSS to New BSS Information 3.2.2.58 BSS-MSC O 2-n */
5313 /* Source RNC to target RNC transparent information (UMTS) 3.2.2.76 BSS-MSC O (note 5) 3-m */
5314 ELEM_OPT_TLV(BE_SRC_RNC_TO_TAR_RNC_UMTS, GSM_A_PDU_TYPE_BSSMAP, BE_SRC_RNC_TO_TAR_RNC_UMTS, NULL);
5315 /* Source RNC to target RNC transparent information (cdma2000) 3.2.2.77 BSS-MSC O (note 6) n-m */
5316 ELEM_OPT_TLV(BE_SRC_RNC_TO_TAR_RNC_CDMA, GSM_A_PDU_TYPE_BSSMAP, BE_SRC_RNC_TO_TAR_RNC_CDMA, NULL);
5317 /* GERAN Classmark 3.2.2.78 BSS-MSC O (note 7) V */
5319 /* Talker Priority 3.2.2.89 BSS-MSC O (note 9) 2 */
5321 /* Speech Codec (Used) 3.2.2.104 BSS-MSC O (note 10) 3-5 */
5323 /* CSG Identifier 3.2.2.110 BSS-MSC O (note 11) 7 */
5327 }
5329 /*
5330 * [2] 3.2.1.10 HANDOVER REQUEST ACKNOWLEDGE
5331 */
5332 static void
5333 bssmap_ho_req_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5334 {
5335 guint32 curr_offset;
5336 guint32 consumed;
5337 guint curr_len;
5342 /* Layer 3 Information 3.2.2.24 BSS-MSC M (note 1) 11-n */
5344 /* Chosen Channel 3.2.2.33 BSS-MSC O (note 4) 2 */
5346 /* Chosen Encryption Algorithm 3.2.2.44 BSS-MSC O (note 5) 2 */
5348 /* Circuit Pool 3.2.2.45 BSS-MSC O (note 2) 2 */
5350 /* Speech Version (Chosen) 3.2.2.51 BSS-MSC O (note 6) 2 */
5352 /* Circuit Identity Code 3.2.2.2 BSS-MSC O (note 3) 3 */
5354 /* LSA Identifier 3.2.2.15 BSS-MSC O (note 7) 5 */
5356 /* New BSS to Old BSS Information 3.2.2.80 BSS-MSC O (note 8) 2-n */
5357 ELEM_OPT_TLV(BE_NEW_BSS_TO_OLD_BSS_INF, GSM_A_PDU_TYPE_BSSMAP, BE_NEW_BSS_TO_OLD_BSS_INF, NULL);
5358 /* Inter-System Information 3.2.2.81 BSS-MSC O (note 9) 2-n */
5360 /* Talker Priority 3.2.2.89 BSS-MSC O (note 10) 2 */
5362 /* AoIP Transport Layer Address (BSS) 3.2.2.102 BSS-MSC O (note 11) 10-22 */
5364 /* Codec List (BSS Supported) 3.2.2.103 BSS-MSC O (note 12) 3-n */
5365 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
5366 /* Speech Codec (Chosen) 3.2.2.104 BSS-MSC O (note 12) 3-5 */
5370 }
5372 /*
5373 * [2] 3.2.1.11 HANDOVER COMMAND
5374 */
5375 static void
5376 bssmap_ho_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5377 {
5378 guint32 curr_offset;
5379 guint32 consumed;
5380 guint curr_len;
5385 /* Layer 3 Information 3.2.2.24 MSC-BSS M (note 1) 11-n */
5387 /* Cell Identifier 3.2.2.17 MSC-BSS O 3-10 */
5389 /* New BSS to Old BSS Information 3.2.2.80 MSC-BSS O (note 2) 2-n */
5390 ELEM_OPT_TLV(BE_NEW_BSS_TO_OLD_BSS_INF, GSM_A_PDU_TYPE_BSSMAP, BE_NEW_BSS_TO_OLD_BSS_INF, NULL);
5391 /* Talker Priority 3.2.2.89 MSC-BSS O (note 3) 2 */
5395 }
5397 /*
5398 * [2] 3.2.1.12 HANDOVER COMPLETE
5399 */
5400 static void
5401 bssmap_ho_complete(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5402 {
5403 guint32 curr_offset;
5404 guint32 consumed;
5405 guint curr_len;
5410 /* RR Cause 3.2.2.22 BSS-MSC O 2 */
5412 /* Talker Priority 3.2.2.89 BSS-MSC O (note 1) 2 */
5414 /* Speech Codec (Chosen) 3.2.2.nn BSS-MSC O (note 2) 3-5 */
5416 /* Chosen Encryption Algorithm 3.2.2.44 BSS-MSC O (note 4) 2 */
5418 /* Chosen Channel 3.2.2.33 BSS-MSC O (note 5) 2 */
5422 }
5424 /*
5425 * 3.2.1.13 HANDOVER SUCCEEDED
5426 */
5427 static void
5428 bssmap_ho_succ(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5429 {
5430 guint32 curr_offset;
5431 guint32 consumed;
5432 guint curr_len;
5437 /* Talker Priority 3.2.2.89 MSC-BSS O (note 1) 2 */
5441 }
5443 /*
5444 * [2] 3.2.1.14 HANDOVER CANDIDATE ENQUIRE
5445 */
5446 static void
5447 bssmap_ho_cand_enq(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5448 {
5449 guint32 curr_offset;
5450 guint32 consumed;
5451 guint curr_len;
5456 /* Number Of Mss 3.2.2.8 MSC-BSS M 2 */
5459 /* Cell Identifier List 3.2.2.27 MSC-BSS M 2n+3 to 7n+3 */
5462 /* Cell Identifier 3.2.2.17 MSC-BSS M 3-10 */
5466 }
5468 /*
5469 * [2] 3.2.1.15 HANDOVER CANDIDATE RESPONSE
5470 */
5471 static void
5472 bssmap_ho_cand_resp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5473 {
5474 guint32 curr_offset;
5475 guint32 consumed;
5476 guint curr_len;
5481 /* Number Of Mss 3.2.2.8 BSS-MSC M 2 */
5484 /* Cell Identifier 3.2.2.17 BSS-MSC M 3-10 */
5488 }
5490 /*
5491 * [2] 3.2.1.16 HANDOVER FAILURE
5492 */
5493 static void
5494 bssmap_ho_failure(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5495 {
5496 guint32 curr_offset;
5497 guint32 consumed;
5498 guint curr_len;
5503 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
5505 /* RR Cause 3.2.2.22 BSS-MSC O 2 */
5507 /* Circuit Pool 3.2.2.45 BSS-MSC O (note 1) 2 */
5509 /* Circuit Pool List 3.2.2.46 BSS-MSC O (note 2) V */
5511 /* GERAN Classmark 3.2.2.78 BSS-MSC O (note 3) V */
5513 /* New BSS to Old BSS Information 3.2.2.80 BSS-MSC O (note 4) 2-n */
5514 ELEM_OPT_TLV(BE_NEW_BSS_TO_OLD_BSS_INF, GSM_A_PDU_TYPE_BSSMAP, BE_NEW_BSS_TO_OLD_BSS_INF, NULL);
5515 /* Inter-System Information 3.2.2.81 BSS-MSC O (note 5) 2-n */
5517 /* Talker Priority 3.2.2.89 BSS-MSC O (note 6) 2 */
5519 /* Codec List (BSS Supported) 3.2.2.103 BSS-MSC O (note 7) 3-n */
5520 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
5523 }
5525 /*
5526 * 3.2.1.17 RESOURCE REQUEST
5527 */
5528 static void
5529 bssmap_res_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5530 {
5531 guint32 curr_offset;
5532 guint32 consumed;
5533 guint curr_len;
5538 /* Periodicity 3.2.2.12 MSC-BSS M 2 */
5540 /* Resource Indication Method 3.2.2.29 MSC-BSS M 2 */
5542 /* Cell Identifier 3.2.2.17 MSC-BSS M 3-10 */
5544 /* Extended Resource Indicator 3.2.2.13 MSC-BSS O 2 */
5548 }
5550 /*
5551 * 3.2.1.18 RESOURCE INDICATION
5552 */
5553 static void
5554 bssmap_res_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5555 {
5556 guint32 curr_offset;
5557 guint32 consumed;
5558 guint curr_len;
5563 /* Resource Indication Method 3.2.2.29 BSS-MSC M 2 */
5565 /* Resource Available 3.2.2.4 BSS-MSC O (note 1) 21 */
5567 /* Cell Identifier 3.2.2.17 BSS-MSC M 3-10 */
5569 /* Total Resource Accessible 3.2.2.14 BSS-MSC O (note 2) 5 */
5573 }
5574 /*
5575 * [2] 3.2.1.19 PAGING
5576 */
5577 static void
5578 bssmap_paging(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5579 {
5580 guint32 curr_offset;
5581 guint32 consumed;
5582 guint curr_len;
5587 /* IMSI 3.2.2.6 MSC-BSS M 3-10 */
5589 /* TMSI 3.2.2.7 MSC-BSS O (note 1) 6 */
5591 /* Cell Identifier List 3.2.2.27 MSC-BSS M 3 to 3+7n */
5593 /* Channel Needed 3.2.2.36 MSC-BSS O (note 2) 2 */
5595 /* eMLPP Priority 3.2.2.56 MSC-BSS O (note 3) 2 */
5597 /* Paging Information 3.2.2.85 MSC-BSS O 2 */
5601 }
5603 /*
5604 * [2] 3.2.1.20 CLEAR REQUEST
5605 */
5606 static void
5607 bssmap_clear_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5608 {
5609 guint32 curr_offset;
5610 guint32 consumed;
5611 guint curr_len;
5616 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
5620 }
5622 /*
5623 * [2] 3.2.1.21 CLEAR COMMAND
5624 */
5625 static void
5626 bssmap_clear_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5627 {
5628 guint32 curr_offset;
5629 guint32 consumed;
5630 guint curr_len;
5635 /* Layer 3 Header Information 3.2.2.9 MSC-BSS O (note) 4 */
5637 /* Cause 3.2.2.5 MSC-BSS M 3-4 */
5639 /* CSFB Indication 3.2.2.121 MSC-BSS O 1 */
5643 }
5644 /*
5645 * 3.2.1.22 CLEAR COMPLETE
5646 * No data
5647 */
5649 /*
5650 * [2] 3.2.1.23 RESET
5651 */
5652 void
5653 bssmap_reset(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5654 {
5655 guint32 curr_offset;
5656 guint32 consumed;
5657 guint curr_len;
5662 /* Cause 3.2.2.5 Both M 3-4 */
5664 /* A-Interface Selector for RESET 3.2.2.107 Both O 2 */
5668 }
5670 /*
5671 * 3.2.1.24 RESET ACKNOWLEDGE
5672 */
5673 void
5674 bssmap_reset_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5675 {
5676 guint32 curr_offset;
5677 guint32 consumed;
5678 guint curr_len;
5683 /* A-Interface Selector for RESET 3.2.2.107 Both O 2 */
5687 }
5689 /*
5690 * [2] 3.2.1.25 HANDOVER PERFORMED
5691 */
5692 static void
5693 bssmap_ho_performed(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5694 {
5695 guint32 curr_offset;
5696 guint32 consumed;
5697 guint curr_len;
5702 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
5704 /* Cell Identifier 3.2.2.17 BSS-MSC M (note 5) 3-10 */
5706 /* Chosen Channel 3.2.2.33 BSS-MSC O (note 1) 2 */
5708 /* Chosen Encryption Algorithm 3.2.2.44 BSS-MSC O (note 2) 2 */
5710 /* Speech Version (Chosen) 3.2.2.51 BSS-MSC O (note 3) 2 */
5712 /* LSA Identifier 3.2.2.15 BSS-MSC O (note 4) 5 */
5714 /* Talker Priority 3.2.2.89 BSS-MSC O (note 6) 2 */
5716 /* Codec List (BSS Supported) (serving cell) 3.2.2.103 BSS-MSC O (note 7) 3-n */
5717 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
5718 /* Speech Codec (Chosen) 3.2.2.104 BSS-MSC O (note 8) 3-5 */
5722 }
5724 /*
5725 * [2] 3.2.1.26 OVERLOAD
5726 */
5727 static void
5728 bssmap_overload(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5729 {
5730 guint32 curr_offset;
5731 guint32 consumed;
5732 guint curr_len;
5737 /* Cause 3.2.2.5 Both M 3-4 */
5739 /* Cell Identifier 3.2.2.17 BSS-MSC O 3-10 */
5743 }
5744 /*
5745 * 3.2.1.27 MSC INVOKE TRACE
5746 */
5747 static void
5748 bssmap_msc_invoke_trace(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5749 {
5750 guint32 curr_offset;
5751 guint32 consumed;
5752 guint curr_len;
5757 /* Trace Type 3.2.2.37 MSC-BSS M 2 */
5759 /* Triggerid 3.2.2.38 MSC-BSS O 3-22 */
5761 /* Trace Reference 3.2.2.39 MSC-BSS M 3 */
5763 /* Transactionid 3.2.2.40 MSC-BSS O 4 */
5765 /* Mobile Identity 3.2.2.41 MSC-BSS O 3-10 */
5767 /* OMCId 3.2.2.42 MSC-BSS O 3-22 */
5771 }
5773 /*
5774 * 3.2.1.28 BSS INVOKE TRACE
5775 */
5776 static void
5777 bssmap_bss_invoke_trace(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5778 {
5779 guint32 curr_offset;
5780 guint32 consumed;
5781 guint curr_len;
5786 /* Trace Type 3.2.2.37 Both M 2 */
5788 /* Forward Indicator 3.2.2.43 Both O 2 */
5790 /* Triggerid 3.2.2.38 Both O 3-22 */
5792 /* Trace Reference 3.2.2.39 Both M 3 */
5794 /* TransactionId 3.2.2.40 Both O 4 */
5796 /* OMCId 3.2.2.42 Both O 3-22 */
5800 }
5802 /*
5803 * [2] 3.2.1.29 CLASSMARK UPDATE
5804 */
5805 static void
5806 bssmap_cm_upd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5807 {
5808 guint32 curr_offset;
5809 guint32 consumed;
5810 guint curr_len;
5815 /* Classmark Information Type 2 3.2.2.19 Both M 4-5 */
5817 /* Classmark Information Type 3 3.2.2.20 Both O (note 1) 3-34 */
5819 /* Talker Priority 3.2.2.89 Both O (note 2) 2 */
5823 }
5825 /*
5826 * [2] 3.2.1.30 CIPHER MODE COMMAND
5827 */
5828 static void
5829 bssmap_ciph_mode_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5830 {
5831 guint32 curr_offset;
5832 guint32 consumed;
5833 guint curr_len;
5838 /* Layer 3 Header Information 3.2.2.9 MSC-BSS O (note) 4 */
5840 /* Encryption Information 3.2.2.10 MSC-BSS M 3-n */
5842 /* Cipher Response Mode 3.2.2.34 MSC-BSS O 2 */
5844 /* Kc128 3.2.2.109 MSC-BSS C (note 2) 17 */
5848 }
5850 /*
5851 * [2] 3.2.1.31 CIPHER MODE COMPLETE
5852 */
5853 static void
5854 bssmap_ciph_mode_complete(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5855 {
5856 guint32 curr_offset;
5857 guint32 consumed;
5858 guint curr_len;
5863 /* Layer 3 Message Contents 3.2.2.35 BSS-MSC O 2-n */
5865 /* Chosen Encryption Algorithm 3.2.2.44 BSS-MSC O (note) 2 */
5869 }
5871 /*
5872 * [2] 3.2.1.32 COMPLETE LAYER 3 INFORMATION
5873 * Updated to 3GPP TS 48.008 version 11.5.0 Release 11
5874 */
5875 static void
5876 bssmap_cl3_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5877 {
5878 guint32 consumed;
5879 guint32 curr_offset;
5880 guint curr_len;
5885 /* Cell Identifier 3.2.2.17 BSS-MSC M 3-10 */
5887 /* Layer 3 Information 3.2.2.24 BSS-MSC M 3-n */
5889 /* Chosen Channel 3.2.2.33 BSS-MSC O (note 1) 2 */
5891 /* LSA Identifier List 3.2.2.16 BSS-MSC O (note 2) 3+3n */
5893 /* APDU 3.2.2.68 BSS-MSC O (note 3) 3-n */
5895 /* Codec List (BSS Supported) 3.2.2.103 BSS-MSC O (note 4) 3-n */
5896 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
5897 /* Redirect Attempt Flag 3.2.2.111 BSS-MSC O (note 5) 1 */
5899 /* Send Sequence Number 3.2.2.113 BSS-MSC O (note 6) 2 */
5901 /* IMSI 3.2.2.6 BSS-MSC O (note 7) 3-10 */
5903 /* Selected PLMN ID 3.2.2.126 BSS-MSC O (note 8) 4 */
5905 }
5906 /*
5907 * 3.2.1.33 QUEUEING INDICATION
5908 * No data
5909 */
5911 /*
5912 * [2] 3.2.1.34 SAPI "n" REJECT
5913 */
5914 static void
5915 bssmap_sapi_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5916 {
5917 guint32 consumed;
5918 guint32 curr_offset;
5919 guint curr_len;
5924 /* DLCI 3.2.2.25 BSS-MSC M 2 */
5926 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
5930 }
5931 /* 3.2.1.35 (void)
5932 * 3.2.1.36 (void)
5933 */
5934 /*
5935 * [2] 3.2.1.37 HANDOVER REQUIRED REJECT
5936 */
5937 static void
5938 bssmap_ho_reqd_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5939 {
5940 guint32 curr_offset;
5941 guint32 consumed;
5942 guint curr_len;
5947 /* Cause 3.2.2.5 MSC-BSS M 3-4 */
5949 /* New BSS to Old BSS Information 3.2.2.78 MSC-BSS O (note 1) 2-n */
5950 ELEM_OPT_TLV(BE_NEW_BSS_TO_OLD_BSS_INF, GSM_A_PDU_TYPE_BSSMAP, BE_NEW_BSS_TO_OLD_BSS_INF, NULL);
5951 /* Talker Priority 3.2.2.89 MSC-BSS O (note 2) 2 */
5955 }
5957 /*
5958 * [2] 3.2.1.38 RESET CIRCUIT
5959 */
5960 static void
5961 bssmap_reset_cct(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5962 {
5963 guint32 curr_offset;
5964 guint32 consumed;
5965 guint curr_len;
5970 /* Circuit Identity Code 3.2.2.2 Both M 3 */
5972 /* Cause 3.2.2.5 Both M 3-4 */
5976 }
5978 /*
5979 * [2] 3.2.1.39 RESET CIRCUIT ACKNOWLEDGE
5980 */
5981 static void
5982 bssmap_reset_cct_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
5983 {
5984 guint32 curr_offset;
5985 guint32 consumed;
5986 guint curr_len;
5991 /* Circuit Identity 3.2.2.2 Both M 3 */
5995 }
5997 /*
5998 * 3.2.1.40 HANDOVER DETECT
5999 */
6000 static void
6001 bssmap_ho_det(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6002 {
6003 guint32 curr_offset;
6004 guint32 consumed;
6005 guint curr_len;
6010 /* Talker Priority 3.2.2.89 BSS-MSC O (note 1) 2 */
6014 }
6015 /*
6016 * [2] 3.2.1.41 CIRCUIT GROUP BLOCK
6017 */
6018 static void
6019 bssmap_cct_group_block(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6020 {
6021 guint32 curr_offset;
6022 guint32 consumed;
6023 guint curr_len;
6028 /* Cause 3.2.2.5 Both M 3-4 */
6030 /* Circuit Identity Code 3.2.2.2 Both M 3 */
6032 /* Circuit Identity Code List 3.2.2.31 Both M 4-35 */
6036 }
6038 /*
6039 * [2] 3.2.1.42 CIRCUIT GROUP BLOCKING ACKNOWLEDGE
6040 */
6041 static void
6042 bssmap_cct_group_block_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6043 {
6044 guint32 curr_offset;
6045 guint32 consumed;
6046 guint curr_len;
6051 /* Circuit Identity Code 3.2.2.2 Both M 3 */
6053 /* Circuit Identity Code List 3.2.2.31 Both M 4-35 */
6057 }
6059 /*
6060 * [2] 3.2.1.43 CIRCUIT GROUP UNBLOCK
6061 */
6062 static void
6063 bssmap_cct_group_unblock(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6064 {
6065 guint32 curr_offset;
6066 guint32 consumed;
6067 guint curr_len;
6072 /* Circuit Identity Code 3.2.2.2 Both M 3 */
6074 /* Circuit Identity Code List 3.2.2.31 Both M 4-35 */
6078 }
6080 /*
6081 * [2] 3.2.1.44 CIRCUIT GROUP UNBLOCKING ACKNOWLEDGE
6082 */
6083 static void
6084 bssmap_cct_group_unblock_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6085 {
6086 guint32 curr_offset;
6087 guint32 consumed;
6088 guint curr_len;
6093 /* Circuit Identity Code 3.2.2.2 Both M 3 */
6095 /* Circuit Identity Code List 3.2.2.31 Both M 4-35 */
6099 }
6101 /*
6102 * [2] 3.2.1.45 CONFUSION
6103 */
6104 static void
6105 bssmap_confusion(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6106 {
6107 guint32 curr_offset;
6108 guint32 consumed;
6109 guint curr_len;
6114 /* Cause 3.2.2.5 Both M 3-4 */
6116 /* Diagnostics 3.2.2.32 Both M 4-n */
6120 }
6121 /*
6122 * 3.2.1.46 CLASSMARK REQUEST
6123 */
6124 static void
6125 bssmap_cls_m_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6126 {
6127 guint32 curr_offset;
6128 guint32 consumed;
6129 guint curr_len;
6134 /* Talker Priority 3.2.2.89 MSC-BSS O (note 1) 2 */
6138 }
6139 /*
6140 * [2] 3.2.1.47 UNEQUIPPED CIRCUIT
6141 */
6142 static void
6143 bssmap_unequipped_cct(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6144 {
6145 guint32 curr_offset;
6146 guint32 consumed;
6147 guint curr_len;
6152 /* Circuit Identity Code 3.2.2.2 Both M 3 */
6154 /* Circuit Identity Code List 3.2.2.31 Both O 4-35 */
6158 }
6160 /*
6161 * [2] 3.2.1.48 CIPHER MODE REJECT
6162 */
6163 static void
6164 bssmap_ciph_mode_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6165 {
6166 guint32 curr_offset;
6167 guint32 consumed;
6168 guint curr_len;
6173 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
6177 }
6179 /*
6180 * [2] 3.2.1.49 LOAD INDICATION
6181 */
6182 static void
6183 bssmap_load_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6184 {
6185 guint32 curr_offset;
6186 guint32 consumed;
6187 guint curr_len;
6192 /* Time Indication 3.2.2.47 Both M 2 */
6194 /* Cell Identifier 3.2.2.17 Both M 3-10 */
6196 /* Cell Identifier List (Target) 3.2.2.27 Both M 3 to 3+7n */
6198 /* Resource Situation 3.2.2.48 Both O (note 1) 4-N */
6200 /* Cause 3.2.2.5 Both O (note 2) 4-5 */
6204 }
6205 /*
6206 * 3.2.1.50 VGCS/VBS SETUP
6207 */
6208 static void
6209 bssmap_vgcs_vbs_setup(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6210 {
6211 guint32 curr_offset;
6212 guint32 consumed;
6213 guint curr_len;
6218 /* Group Call Reference 3.2.2.55 MSC-BSS M 7 */
6220 /* Priority 3.2.2.18 MSC-BSS O 3 */
6222 /* VGCS Feature Flags 3.2.2.88 MSC-BSS O 3 */
6226 }
6228 /*
6229 * 3.2.1.51 VGCS/VBS SETUP ACK
6230 */
6231 static void
6232 bssmap_vgcs_vbs_setup_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6233 {
6234 guint32 curr_offset;
6235 guint32 consumed;
6236 guint curr_len;
6241 /* VGCS Feature Flags 3.2.2.88 BSS-MSC O(note 1) 3 */
6245 }
6247 /*
6248 * 3.2.1.52 VGCS/VBS SETUP REFUSE
6249 */
6250 static void
6251 bssmap_vgcs_vbs_setup_refuse(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6252 {
6253 guint32 curr_offset;
6254 guint32 consumed;
6255 guint curr_len;
6260 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
6264 }
6266 /*
6267 * 3.2.1.53 VGCS/VBS ASSIGNMENT REQUEST
6268 */
6269 static void
6270 bssmap_vgcs_vbs_ass_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6271 {
6272 guint32 curr_offset;
6273 guint32 consumed;
6274 guint curr_len;
6279 /* Channel Type 3.2.2.11 MSC-BSS M (note 2) 5-13 */
6281 /* Assignment Requirement 3.2.2.52 MSC-BSS M 2 */
6283 /* Cell Identifier 3.2.2.17 MSC-BSS M 3-10 */
6285 /* Group Call Reference 3.2.2.55 MSC-BSS M 7 */
6287 /* Priority 3.2.2.18 MSC-BSS O 3 */
6289 /* Circuit Identity Code 3.2.2.2 MSC-BSS O (note 4, 5) 3 */
6291 /* Downlink DTX Flag 3.2.2.26 MSC-BSS O (note 2, 4) 2 */
6293 /* Encryption Information 3.2.2.10 MSC-BSS O 3-n */
6295 /* VSTK_RAND 3.2.2.83 MSC-BSS O (note 1) 7 */
6297 /* VSTK 3.2.2.84 MSC-BSS O (note 1) 18 */
6299 /* Cell Identifier List Segment 3.2.2.27a MSC-BSS O (note 3) 4-? */
6303 }
6304 /*
6305 * 3.2.1.54 VGCS/VBS ASSIGNMENT RESULT
6306 */
6307 static void
6308 bssmap_vgcs_vbs_ass_res(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6309 {
6310 guint32 curr_offset;
6311 guint32 consumed;
6312 guint curr_len;
6317 /* Channel Type 3.2.2.11 BSS-MSC M (note 3, 4) 5 */
6319 /* Cell Identifier 3.2.2.17 BSS-MSC M 3-10 */
6321 /* Chosen Channel 3.2.2.33 BSS-MSC O (note 2) 2 */
6323 /* Circuit Identity Code 3.2.2.2 BSS-MSC O (note 5) 3 */
6325 /* Circuit Pool 3.2.2.45 BSS-MSC O (note 1) 2 */
6329 }
6330 /*
6331 * 3.2.1.55 VGCS/VBS ASSIGNMENT FAILURE
6332 */
6333 static void
6334 bssmap_vgcs_vbs_ass_fail(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6335 {
6336 guint32 curr_offset;
6337 guint32 consumed;
6338 guint curr_len;
6343 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
6345 /* Circuit Pool 3.2.2.45 BSS-MSC O (note 1) 2 */
6347 /* Circuit Pool List 3.2.2.46 BSS-MSC O (note 2) V */
6351 }
6352 /*
6353 * 3.2.1.56 VGCS/VBS QUEUING INDICATION
6354 * No data
6355 */
6356 /*
6357 * 3.2.1.57 UPLINK REQUEST
6358 */
6359 static void
6360 bssmap_uplink_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6361 {
6362 guint32 curr_offset;
6363 guint32 consumed;
6364 guint curr_len;
6369 /* Talker Priority 3.2.2.89 BSS-MSC O (note 1) 2 */
6371 /* Cell Identifier 3.2.2.17 BSS-MSC O (note 1) 3-10 */
6373 /* Layer 3 Information 3.2.2.24 BSS-MSC O (note 1,3) 3-n */
6375 /* Mobile Identity 3.2.2.41 BSS-MSC O (note 1,2) 3-n */
6379 }
6380 /*
6381 * 3.2.1.58 UPLINK REQUEST ACKNOWLEDGE
6382 */
6383 static void
6384 bssmap_uplink_req_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6385 {
6386 guint32 curr_offset;
6387 guint32 consumed;
6388 guint curr_len;
6393 /* Talker Priority 3.2.2.89 MSC-BSS O (note 1) 2 */
6395 /* Emergency set indication 3.2.2.90 MSC-BSS O (note 1) 1 */
6397 /* Talker Identity 3.2.2.91 MSC-BSS O 3-20 */
6401 }
6402 /*
6403 * 3.2.1.59 UPLINK REQUEST CONFIRMATION
6404 */
6405 static void
6406 bssmap_uplink_req_conf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6407 {
6408 guint32 curr_offset;
6409 guint32 consumed;
6410 guint curr_len;
6415 /* Cell Identifier 3.2.2.17 BSS-MSC M 3-10 */
6417 /* Talker Identity 3.2.2.91 BSS-MSC O 3-20 */
6419 /* Layer 3 Information 3.2.2.24 BSS-MSC M 3-n */
6423 }
6424 /*
6425 * 3.2.1.59a UPLINK APPLICATION DATA
6426 */
6427 static void
6428 bssmap_uplink_app_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6429 {
6430 guint32 curr_offset;
6431 guint32 consumed;
6432 guint curr_len;
6437 /* Cell Identifier 3.2.2.17 BSS-MSC M 3-10 */
6439 /* Layer 3 Information 3.2.2.24 BSS-MSC M 3-n */
6441 /* Application Data information 3.2.2.100 BSS-MSC M 3 */
6445 }
6446 /*
6447 * 3.2.1.60 UPLINK RELEASE INDICATION
6448 */
6449 static void
6450 bssmap_uplink_rel_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6451 {
6452 guint32 curr_offset;
6453 guint32 consumed;
6454 guint curr_len;
6459 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
6461 /* Talker Priority 3.2.2.89 BSS-MSC O (note 1) 2 */
6466 }
6467 /*
6468 * 3.2.1.61 UPLINK REJECT COMMAND
6469 */
6470 static void
6471 bssmap_uplink_rej_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6472 {
6473 guint32 curr_offset;
6474 guint32 consumed;
6475 guint curr_len;
6480 /* Cause 3.2.2.5 MSC-BSS M 3-4 */
6482 /* Current Talker Priority 3.2.2.89 MSC-BSS O (note 1) 2 */
6484 /* Rejected Talker Priority 3.2.2.89 MSC-BSS O (note 1) 2 */
6486 /* Talker Identity 3.2.2.91 MSC-BSS O 3-20 */
6490 }
6491 /*
6492 * 3.2.1.62 UPLINK RELEASE COMMAND
6493 */
6494 static void
6495 bssmap_uplink_rel_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6496 {
6497 guint32 curr_offset;
6498 guint32 consumed;
6499 guint curr_len;
6504 /* Cause 3.2.2.5 MSC-BSS M 3-4 */
6508 }
6510 /*
6511 * 3.2.1.63 UPLINK SEIZED COMMAND
6512 */
6513 static void
6514 bssmap_uplink_seized_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6515 {
6516 guint32 curr_offset;
6517 guint32 consumed;
6518 guint curr_len;
6523 /* Cause 3.2.2.5 MSC-BSS M 3-4 */
6525 /* Talker Priority 3.2.2.89 MSC-BSS O (note 1) 2 */
6527 /* Emergency set indication 3.2.2.90 MSC-BSS O (note 1) 1 */
6529 /* Talker Identity 3.2.2.91 MSC-BSS O 3-20 */
6533 }
6534 /*
6535 * 3.2.1.64 SUSPEND
6536 */
6537 static void
6539 {
6540 guint32 curr_offset;
6541 guint32 consumed;
6542 guint curr_len;
6547 /* DLCI 3.2.2.25 BSS-MSC M 2 */
6551 }
6552 /*
6553 * 3.2.1.65 RESUME
6554 */
6555 static void
6557 {
6558 guint32 curr_offset;
6559 guint32 consumed;
6560 guint curr_len;
6565 /* DLCI 3.2.2.25 BSS-MSC M 2 */
6569 }
6570 /*
6571 * [2] 3.2.1.66 CHANGE CIRCUIT
6572 */
6573 static void
6574 bssmap_change_cct(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6575 {
6576 guint32 curr_offset;
6577 guint32 consumed;
6578 guint curr_len;
6583 /* Cause 3.2.2.5 MSC-BSS M 3-4 */
6587 }
6589 /*
6590 * [2] 3.2.1.67 CHANGE CIRCUIT ACKNOWLEDGE
6591 */
6592 static void
6593 bssmap_change_cct_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6594 {
6595 guint32 curr_offset;
6596 guint32 consumed;
6597 guint curr_len;
6602 /* Circuit identity 3.2.2.2 BSS-MSC M 3 */
6606 }
6608 /*
6609 * [2] 3.2.1.68 Common ID
6610 */
6611 static void
6612 bssmap_common_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6613 {
6614 guint32 curr_offset;
6615 guint32 consumed;
6616 guint curr_len;
6621 /* IMSI 3.2.2.6 MSC-BSS M 3-10 */
6623 /* SNA Access Information 3.2.2.82 MSC-BSC O (note) 2+n */
6627 }
6629 /*
6630 * [2] 3.2.1.69 LSA INFORMATION
6631 */
6632 static void
6633 bssmap_lsa_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6634 {
6635 guint32 curr_offset;
6636 guint32 consumed;
6637 guint curr_len;
6642 /* LSA Information 3.2.2.23 MSC-BSS M 3+4n */
6646 }
6648 /*
6649 * [2] 3.2.1.70 (void)
6650 */
6651 void
6652 bssmap_conn_oriented(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6653 {
6654 guint32 curr_offset;
6655 guint32 consumed;
6656 guint curr_len;
6666 }
6668 /*
6669 * 3.2.1.71 PERFORM LOCATION REQUEST
6670 */
6671 static void
6672 bssmap_perf_loc_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6673 {
6674 guint32 curr_offset;
6675 guint32 consumed;
6676 guint curr_len;
6681 /* Location Type 3.2.2.63 M 3-n */
6683 /* Cell Identifier 3.2.2.17 O 5-10 */
6685 /* Classmark Information Type 3 3.2.2.20 O 3-14 */
6687 /* LCS Client Type 3.2.2.67 C (note 3) 3-n */
6689 /* Chosen Channel 3.2.2.33 O 2 */
6691 /* LCS Priority 3.2.2.62 O 3-n */
6693 /* LCS QoS 3.2.2.60 C (note 1) 3-n */
6695 /* GPS Assistance Data 3.2.2.70 C (note 2) 3-n */
6697 /* APDU 3.2.2.68 O 3-n */
6699 /* IMSI 3.2.2.6 O (note 4) 5-10 */
6701 /* IMEI 3.2.2.86 O (note 4) 10 (use same decode as IMSI) */
6703 /* GANSS Location Type 3.2.2.97 C 3 */
6705 /* GANSS Assistance Data 3.2.2.95 C (note 5) 3-n */
6709 }
6710 /*
6711 * 3.2.1.72 PERFORM LOCATION RESPONSE
6712 */
6713 static void
6714 bssmap_perf_loc_res(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6715 {
6716 guint32 curr_offset;
6717 guint32 consumed;
6718 guint curr_len;
6723 /* Location Estimate 3.2.2.64 C (note 1) 3-n */
6725 /* Positioning Data 3.2.2.65 O 3-n */
6727 /* Deciphering Keys 3.2.2.71 C (note 2) 3-n */
6729 /* LCS Cause 3.2.2.66 C (note 3) 3-n */
6731 /* Velocity Estimate 3.2.2.87 O 3-n */
6733 /* GANSS Positioning Data 3.2.2.96 O 3-n */
6737 }
6738 /*
6739 * 3.2.1.73 PERFORM LOCATION ABORT
6740 */
6741 void
6742 bssmap_perf_loc_abort(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6743 {
6744 guint32 curr_offset;
6745 guint32 consumed;
6746 guint curr_len;
6751 /* LCS Cause 3.2.2.66 M 3-n */
6755 }
6757 /*
6758 * 3.2.1.74 CONNECTIONLESS INFORMATION
6759 *
6760 Network Element Identity (source) 3.2.2.69 Both M 3-n
6761 Network Element Identity (target) 3.2.2.69 Both M 3-n
6762 APDU 3.2.2.68 Both M 3-n
6763 Segmentation 3.2,2,74 Both C (note 1) 5
6764 Return Error Request 3.2.2.72 Both C (note 2) 3-n
6765 Return Error Cause 3.2.2.73 Both C (note 3) 3-n
6766 */
6768 /*
6769 * 3.2.1.75 CHANNEL MODIFY REQUEST
6770 */
6772 static void
6773 bssmap_chan_mod_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6774 {
6775 guint32 curr_offset;
6776 guint32 consumed;
6777 guint curr_len;
6782 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
6786 }
6787 /*
6788 * 3.2.1.76 EMERGENCY RESET INDICATION
6789 */
6790 /*
6791 Cell Identifier 3.2.2.17 BSS-MSC O 3-10
6792 ELEM_MAND_TLV(BE_CELL_ID, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID, NULL);
6793 Layer 3 Information 3.2.2.24 BSS-MSC O (note 2) 3-n
6794 ELEM_OPT_TLV(BE_L3_INFO, GSM_A_PDU_TYPE_BSSMAP, BE_L3_INFO, NULL);
6795 Mobile Identity 3.2.2.41 BSS-MSC O (note 1) 3-n
6796 */
6797 /*
6798 * 3.2.1.77 EMERGENCY RESET COMMAND
6799 * No data
6800 */
6801 /*
6802 * 3.2.1.78 VGCS ADDITIONAL INFORMATION
6803 */
6804 static void
6805 bssmap_vgcs_add_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6806 {
6807 guint32 curr_offset;
6808 guint32 consumed;
6809 guint curr_len;
6814 /* Talker Identity 3.2.2.91 MSC-BSS M 3-20 */
6818 }
6819 /*
6820 * 3.2.1.79 VGCS/VBS AREA CELL INFO
6821 */
6822 static void
6823 bssmap_vgcs_vbs_area_cell_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6824 {
6825 guint32 curr_offset;
6826 guint32 consumed;
6827 guint curr_len;
6832 /* Cell Identifier List Segment 3.2.2.27a MSC-BSS M 4-? */
6834 /* Assignment Requirement 3.2.2.52 MSC-BSS O 2 */
6838 }
6839 /*
6840 * 3.2.1.80 VGCS/VBS ASSIGNMENT STATUS
6841 */
6842 static void
6843 bssmap_vgcs_vbs_assign_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6844 {
6845 guint32 curr_offset;
6846 guint32 consumed;
6847 guint curr_len;
6852 /* Cell Identifier List Segment for established cells 3.2.2.27b BSS-MSC O (note 1) 3-? */
6853 ELEM_OPT_TLV(BE_CELL_ID_LST_SEG_F_EST_CELLS, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID_LST_SEG_F_EST_CELLS, NULL);
6854 /* Cell Identifier List Segment for cells to be established 3.2.2.27c BSS-MSC O (note 1) 3-? */
6855 ELEM_OPT_TLV(BE_CELL_ID_LST_SEG_F_CELL_TB_EST, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID_LST_SEG_F_CELL_TB_EST, NULL);
6856 /* Cell Identifier List Segment for released cells - no user present 3.2.2.27e BSS-MSC O (note 1) 3-? */
6857 ELEM_OPT_TLV(BE_CELL_ID_LST_SEG_F_REL_CELL, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID_LST_SEG_F_REL_CELL, NULL);
6858 /* Cell Identifier List Segment for not established cells - no establishment possible 3.2.2.27f BSS-MSC O (note 1) 3-? */
6859 ELEM_OPT_TLV(BE_CELL_ID_LST_SEG_F_NOT_EST_CELL, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID_LST_SEG_F_NOT_EST_CELL, NULL);
6860 /* VGCS/VBS Cell Status 3.2.2.94 BSS-MSC O (note 2) 3 */
6864 }
6865 /*
6866 * 3.2.1.81 VGCS SMS
6867 */
6868 static void
6869 bssmap_vgcs_sms(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6870 {
6871 guint32 curr_offset;
6872 guint32 consumed;
6873 guint curr_len;
6878 /* SMS to VGCS 3.2.2.92 MSC-BSS M 2-250 */
6882 }
6883 /*
6884 * 3.2.1.82 NOTIFICATION DATA
6885 */
6886 static void
6887 bssmap_notification_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6888 {
6889 guint32 curr_offset;
6890 guint32 consumed;
6891 guint curr_len;
6896 /* Application Data 3.2.2.98 MSC-BSS M 11 */
6898 /* Data Identity 3.2.2.99 MSC-BSS M 3 */
6900 /* MSISDN 3.2.2.101 MSC-BSS O 2-12 */
6904 }
6905 /*
6906 * 3.2.1.83 INTERNAL HANDOVER REQUIRED
6907 */
6908 static void
6909 bssmap_int_ho_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6910 {
6911 guint32 curr_offset;
6912 guint32 consumed;
6913 guint curr_len;
6918 /* Cause 3.2.2.5 BSS-MSC M 3-4 */
6920 /* Cell Identifier 3.2.2.17 BSS-MSC M 4-10 */
6922 /* AoIP Transport Layer Address (BSS) 3.2.2.nn BSS-MSC C (Note 1) 10-22 */
6924 /* Codec List (BSS Supported) 3.2.2.103 BSS-MSC M 3-n */
6925 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
6928 }
6929 /*
6930 * 3.2.1.84 INTERNAL HANDOVER REQUIRED REJECT
6931 */
6932 static void
6933 bssmap_int_ho_req_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6934 {
6935 guint32 curr_offset;
6936 guint32 consumed;
6937 guint curr_len;
6942 /* Cause 3.2.2.5 MSC-BSS M 3-4 */
6944 /* Codec List (MSC Preferred) 3.2.2.nn MSC-BSS O 3-n */
6945 ELEM_OPT_TLV(BE_SPEECH_CODEC_LST, GSM_A_PDU_TYPE_BSSMAP, BE_SPEECH_CODEC_LST, "(BSS Supported)");
6948 }
6950 /*
6951 * 3.2.1.85 INTERNAL HANDOVER COMMAND
6952 */
6953 static void
6954 bssmap_int_ho_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6955 {
6956 guint32 curr_offset;
6957 guint32 consumed;
6958 guint curr_len;
6963 /* Speech Codec (MSC Chosen) 3.2.2.nn MSC-BSS M (note 1) 3-n */
6965 /* Circuit Identity Code 3.2.2.2 MSC-BSS C (note 2) 3 */
6967 /* AoIP Transport Layer Address (MGW) 3.2.2.102 MSC-BSS C (note 2) 10-22 */
6969 /* Call Identifier 3.2.2.105 MSC-BSS C (note 4) 5 */
6971 /* Downlink DTX Flag 3.2.2.26 MSC-BSS O (note 5) 2 */
6975 }
6976 /*
6977 * 3.2.1.86 INTERNAL HANDOVER ENQUIRY
6978 */
6980 static void
6981 bssmap_int_ho_enq(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
6982 {
6983 guint32 curr_offset;
6984 guint32 consumed;
6985 guint curr_len;
6990 /* Speech Codec (MSC Chosen) 3.2.2.104 MSC-BSS M 3-n */
6994 }
6995 /*
6996 * 3.2.1.87 RESET IP RESOURCE
6997 */
6998 static void
6999 bssmap_reset_ip_res(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
7000 {
7001 guint32 curr_offset;
7002 guint32 consumed;
7003 guint curr_len;
7008 /* Cause 3.2.2.5 Both M 3-4 */
7010 /* Call Identifier List 3.2.2.106 Both M 6-n */
7014 }
7015 /*
7016 * 3.2.1.88 RESET IP RESOURCE ACKNOWLEDGE
7017 */
7018 static void
7019 bssmap_reset_ip_res_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
7020 {
7021 guint32 curr_offset;
7022 guint32 consumed;
7023 guint curr_len;
7028 /* Call Identifier List 3.2.2.106 Both M 6-n */
7032 }
7034 /*
7035 * 3.2.1.89 REROUTE COMMAND
7036 */
7037 static void
7038 bssmap_reroute_cmd(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
7039 {
7040 guint32 curr_offset;
7041 guint32 consumed;
7042 guint curr_len;
7047 /* Initial Layer 3 Information 3.2.2.24 MSC-BSS M (note 1) 3-n */
7049 /* Reroute Reject Cause 3.2.2.112 MSC-BSS M (note 2) 2 */
7051 /* Layer 3 Information 3.2.2.24 MSC-BSS O (note3) 3-n */
7053 /* Send Sequence Number 3.2.2.113 MSC-BSS O (note 4) 2 */
7055 /* IMSI 3.2.2.6 MSC-BSS O (note 5) 3-10 */
7059 }
7061 /*
7062 * 3.2.1.90 REROUTE COMPLETE
7063 */
7065 static void
7066 bssmap_reroute_complete(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
7067 {
7068 guint32 curr_offset;
7069 guint32 consumed;
7070 guint curr_len;
7075 /* Reroute complete outcome 3.2.2.114 MSC-BSS M 2 */
7079 }
7081 #if 0
7082 /*
7083 * 3.2.1.91 LCLS-CONNECT-CONTROL
7084 */
7086 /* LCLS-Configuration 3.2.2.116 MSC-BSS O (note1) 2 */
7087 /* LCLS-Connection-Status-Control 3.2.2.117 MSC-BSS O (note1) 2 */
7089 /*
7090 * 3.2.1.92 LCLS-CONNECT-CONTROL-ACK
7091 */
7093 /* LCLS-BSS-Status 3.2.2.119 BSS-MSC M 2 */
7096 /*
7097 * 3.2.1.93 LCLS-NOTIFICATION
7098 */
7100 /* LCLS-BSS-Status 3.2.2.119 BSS-MSC O (note 1) 2 */
7101 /* LCLS-Break-Request 3.2.2.120 BSS-MSC O (note 1) 1 */
7103 #endif
7104 #define NUM_GSM_BSSMAP_MSG (int)(sizeof(gsm_a_bssmap_msg_strings)/sizeof(value_string))
7107 static void (*bssmap_msg_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len) = {
7239 };
7240 #define NUM_BSSMAP_MSG_FCNS (int)(sizeof(bssmap_msg_fcn)/sizeof(bssmap_msg_fcn[0]))
7242 void
7244 {
7248 guint8 oct;
7250 guint32 len;
7251 gint idx;
7261 }
7265 /*
7266 * set tap record pointer
7267 */
7268 tap_current++;
7270 {
7272 }
7283 /*
7284 * add BSSMAP message name
7285 */
7295 }
7297 /*
7298 * create the protocol tree
7299 */
7300 /* The first two conditions are actually the same, i.e. if str != NULL,
7301 * idx >= 0, but checking idx makes it obvious we won' t use a potentially
7302 * negative idx in the else case.
7303 */
7305 {
7306 bssmap_item =
7309 oct);
7312 }
7313 else
7314 {
7315 bssmap_item =
7318 str);
7324 /*
7325 * add BSSMAP message name
7326 */
7329 }
7340 /*
7341 * decode elements
7342 */
7352 }
7356 }
7357 }
7359 }
7361 /* Register the protocol with Wireshark */
7362 void
7364 {
7365 guint i;
7366 guint last_offset;
7368 /* Setup list of header fields */
7371 {
7376 },
7381 },
7386 },
7391 },
7396 },
7401 },
7406 },
7411 },
7416 },
7421 },
7426 },
7431 },
7436 },
7441 },
7446 },
7451 },
7456 },
7461 },
7466 },
7471 },
7476 },
7481 },
7486 },
7491 },
7496 },
7501 },
7506 },
7511 },
7516 },
7521 },
7526 },
7531 },
7536 },
7541 },
7546 },
7551 },
7556 },
7561 },
7566 },
7571 },
7576 },
7581 },
7586 },
7591 },
7596 },
7601 },
7606 },
7611 },
7616 },
7621 },
7626 },
7631 },
7636 },
7641 },
7646 },
7651 },
7656 },
7661 },
7666 },
7671 },
7676 },
7681 },
7686 },
7691 },
7696 },
7701 },
7706 },
7711 },
7716 },
7722 },
7727 },
7732 },
7737 },
7742 },
7747 },
7752 },
7757 },
7762 },
7767 },
7772 },
7777 },
7782 },
7787 },
7792 },
7797 },
7802 },
7807 },
7812 },
7817 },
7822 },
7827 },
7832 },
7837 },
7842 },
7847 },
7852 },
7857 },
7862 },
7867 },
7872 },
7877 },
7882 },
7887 },
7892 },
7897 },
7902 },
7907 },
7912 },
7917 },
7922 },
7927 },
7933 },
7938 },
7943 },
7948 },
7953 },
7958 },
7963 },
7968 },
7973 },
7978 },
7983 },
7988 },
7993 },
7998 },
8003 },
8008 },
8013 },
8018 },
8023 },
8028 },
8033 },
8038 },
8043 },
8048 },
8053 },
8058 },
8063 },
8068 },
8073 },
8078 },
8080 };
8085 { &ei_gsm_a_bssmap_extraneous_data, { "gsm_a_bssmap.extraneous_data", PI_PROTOCOL, PI_NOTE, "Extraneous Data, dissector bug or later version spec(report to wireshark.org)", EXPFILL }},
8086 };
8088 /* Setup protocol subtree array */
8089 #define NUM_INDIVIDUAL_ELEMS 5
8091 NUM_GSM_BSSMAP_ELEM];
8102 {
8105 }
8108 {
8111 }
8113 /* Register the protocol name and description */
8115 proto_a_bssmap =
8126 }
8129 void
8131 {
8132 dissector_handle_t bssmap_handle;
8142 }