/* packet-rsl.c * Routines for Radio Signalling Link (RSL) dissection. * * Copyright 2007, Anders Broman * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Copied from packet-cops.c * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * REF: 3GPP TS 48.058 version 6.1.0 Release 6 * http://www.3gpp.org/ftp/Specs/html-info/48058.htm * */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include "packet-gsm_a_common.h" /* Initialize the protocol and registered fields */ static int proto_rsl = -1; static int hf_rsl_msg_type = -1; static int hf_rsl_T_bit = -1; static int hf_rsl_msg_dsc = -1; static int hf_rsl_ie_id = -1; static int hf_rsl_ie_length = -1; static int hf_rsl_ch_no_Cbits = -1; static int hf_rsl_ch_no_TN = -1; static int hf_rsl_acc_delay = -1; static int hf_rsl_rach_slot_cnt = -1; static int hf_rsl_rach_busy_cnt = -1; static int hf_rsl_rach_acc_cnt = -1; static int hf_rsl_req_ref_ra = -1; static int hf_rsl_req_ref_T1prim = -1; static int hf_rsl_req_ref_T3 = -1; static int hf_rsl_req_ref_T2 = -1; static int hf_rsl_timing_adv = -1; static int hf_rsl_ho_ref = -1; static int hf_rsl_ms_power_lev = -1; static int hf_rsl_ms_fpc = -1; static int hf_rsl_act_timing_adv = -1; static int hf_rsl_power_lev = -1; static int hf_rsl_phy_ctx = -1; static int hf_rsl_na = -1; static int hf_rsl_ch_type = -1; static int hf_rsl_prio = -1; static int hf_rsl_sapi = -1; static int hf_rsl_rbit = -1; static int hf_rsl_a3a2 = -1; static int hf_rsl_a1_0 = -1; static int hf_rsl_a1_1 = -1; static int hf_rsl_a1_2 = -1; static int hf_rsl_epc_mode = -1; static int hf_rsl_bs_fpc_epc_mode = -1; static int hf_rsl_bs_power = -1; static int hf_rsl_cm_dtxd = -1; static int hf_rsl_cm_dtxu = -1; static int hf_rsl_speech_or_data = -1; static int hf_rsl_ch_rate_and_type = -1; static int hf_rsl_speech_coding_alg = -1; static int hf_rsl_t_nt_bit = -1; static int hf_rsl_ra_if_data_rte = -1; static int hf_rsl_data_rte = -1; static int hf_rsl_alg_id = -1; static int hf_rsl_key = -1; static int hf_rsl_cause = -1; static int hf_rsl_rel_mode = -1; static int hf_rsl_interf_band = -1; static int hf_rsl_meas_res_no = -1; static int hf_rsl_extension_bit = -1; static int hf_rsl_dtxd = -1; static int hf_rsl_rxlev_full_up = -1; static int hf_rsl_rxlev_sub_up = -1; static int hf_rsl_rxqual_full_up = -1; static int hf_rsl_rxqual_sub_up = -1; static int hf_rsl_class = -1; static int hf_rsl_paging_grp = -1; static int hf_rsl_paging_load = -1; static int hf_rsl_sys_info_type = -1; static int hf_rsl_timing_offset = -1; static int hf_rsl_ch_needed = -1; static int hf_rsl_cbch_load_type = -1; static int hf_rsl_msg_slt_cnt = -1; static int hf_rsl_ch_ind = -1; static int hf_rsl_command = -1; static int hf_rsl_emlpp_prio = -1; static int hf_rsl_rtd = -1; static int hf_rsl_delay_ind = -1; static int hf_rsl_tfo = -1; /* Initialize the subtree pointers */ static int ett_rsl = -1; static int ett_ie_link_id = -1; static int ett_ie_act_type = -1; static int ett_ie_bs_power = -1; static int ett_ie_ch_id = -1; static int ett_ie_ch_mode = -1; static int ett_ie_enc_inf = -1; static int ett_ie_ch_no = -1; static int ett_ie_frame_no = -1; static int ett_ie_ho_ref = -1; static int ett_ie_l1_inf = -1; static int ett_ie_L3_inf = -1; static int ett_ie_ms_id = -1; static int ett_ie_ms_pow = -1; static int ett_ie_phy_ctx = -1; static int ett_ie_paging_grp = -1; static int ett_ie_paging_load = -1; static int ett_ie_access_delay = -1; static int ett_ie_rach_load = -1; static int ett_ie_req_ref = -1; static int ett_ie_rel_mode = -1; static int ett_ie_resource_inf = -1; static int ett_ie_rlm_cause =-1; static int ett_ie_staring_time = -1; static int ett_ie_timing_adv = -1; static int ett_ie_uplink_meas = -1; static int ett_ie_full_imm_ass_inf = -1; static int ett_ie_smscb_inf = -1; static int ett_ie_ms_timing_offset = -1; static int ett_ie_err_msg = -1; static int ett_ie_full_bcch_inf = -1; static int ett_ie_ch_needed = -1; static int ett_ie_cb_cmd_type = -1; static int ett_ie_smscb_mess = -1; static int ett_ie_cbch_load_inf = -1; static int ett_ie_smscb_ch_ind = -1; static int ett_ie_grp_call_ref = -1; static int ett_ie_ch_desc = -1; static int ett_ie_nch_drx = -1; static int ett_ie_cmd_ind = -1; static int ett_ie_emlpp_prio = -1; static int ett_ie_uic = -1; static int ett_ie_main_ch_ref = -1; static int ett_ie_multirate_conf = -1; static int ett_ie_multirate_cntrl = -1; static int ett_ie_sup_codec_types = -1; static int ett_ie_codec_conf = -1; static int ett_ie_rtd = -1; static int ett_ie_tfo_status = -1; static int ett_ie_llp_apdu = -1; static int ett_ie_tfo_transp_cont = -1; static int ett_ie_cause = -1; static int ett_ie_meas_res_no = -1; static int ett_ie_message_id = -1; static int ett_ie_sys_info_type = -1; proto_tree *top_tree; dissector_handle_t gsm_a_ccch_handle; dissector_handle_t gsm_a_dtap_handle; static gboolean is_si2q = FALSE; /* Forward declarations */ static int dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset); static const true_false_string rsl_t_bit_vals = { "Considered transparent by BTS", "Not considered transparent by BTS" }; static const true_false_string rsl_na_vals = { "Not Applicable", "Applicable" }; static const true_false_string rsl_extension_bit_value = { "Extension", "No Extension" }; /* * 9.1 Message discriminator */ static const value_string rsl_msg_disc_vals[] = { { 0x00, "Reserved" }, { 0x01, "Radio Link Layer Management messages" }, { 0x04, "Dedicated Channel Management messages" }, { 0x06, "Common Channel Management messages" }, { 0x08, "TRX Management messages" }, { 0x16, "Location Services messages" }, { 0, NULL } }; /* * 9.2 MESSAGE TYPE */ #define RSL_MSG_TYPE_DATA_REQ 1 #define RSL_MSG_TYPE_DATA_IND 2 #define RSL_MSG_TYPE_ERROR_IND 3 #define RSL_MSG_TYPE_EST_REQ 4 #define RSL_MSG_TYPE_EST_CONF 5 #define RSL_MSG_EST_IND 6 #define RSL_MSG_REL_REQ 7 #define RSL_MSG_REL_CONF 8 #define RSL_MSG_REL_IND 9 #define RSL_MSG_UNIT_DATA_REQ 10 /* Common Channel Management/TRX Management messages */ #define RSL_MSG_BCCH_INFO 17 #define RSL_MSG_CCCH_LOAD_IND 18 #define RSL_MSG_CHANRQD 19 #define RSL_MSG_DELETE_IND 20 #define RSL_MSG_PAGING_CMD 21 #define RSL_MSG_IMM_ASS_CMD 22 #define RSL_MSG_SMS_BC_REQ 23 /* 8.5.7 */ #define RSL_MSG_RF_RES_IND 25 /* 8.6.1 */ #define RSL_MSG_SACCH_FILL 26 /* 8.6.2 */ #define RSL_MSG_OVERLOAD 27 /* 8.6.3 */ #define RSL_MSG_ERROR_REPORT 28 /* 8.6.4 */ #define RSL_MSG_SMS_BC_CMD 29 /* 8.5.8 */ #define RSL_MSG_CBCH_LOAD_IND 30 /* 8.5.9 */ #define RSL_MSG_NOT_CMD 31 /* 8.5.10 */ /* 0 0 1 - - - - - Dedicated Channel Management messages: */ #define RSL_MSG_CHAN_ACTIV 33 #define RSL_MSG_CHAN_ACTIV_ACK 34 #define RSL_MSG_CHAN_ACTIV_N_ACK 35 #define RSL_MSG_CONN_FAIL 36 #define RSL_MSG_DEACTIVATE_SACCH 37 #define RSL_MSG_ENCR_CMD 38 /* 8.4.6 */ #define RSL_MSG_HANDODET 39 /* 8.4.7 */ #define RSL_MSG_MEAS_RES 40 /* 8.4.8 */ #define RSL_MSG_MODE_MODIFY_REQ 41 /* 8.4.9 */ #define RSL_MSG_MODE_MODIFY_ACK 42 /* 8.4.10 */ #define RSL_MSG_MODE_MODIFY_NACK 43 /* 8.4.11 */ #define RSL_MSG_PHY_CONTEXT_REQ 44 /* 8.4.12 */ #define RSL_MSG_PHY_CONTEXT_CONF 45 /* 8.4.13 */ #define RSL_MSG_RF_CHAN_REL 46 /* 8.4.14 */ #define RSL_MSG_MS_POWER_CONTROL 47 /* 8.4.15 */ #define RSL_MSG_BS_POWER_CONTROL 48 /* 8.4.16 */ #define RSL_MSG_PREPROC_CONFIG 49 /* 8.4.17 */ #define RSL_MSG_PREPROC_MEAS_RES 50 /* 8.4.18 */ #define RSL_MSG_RF_CHAN_REL_ACK 51 /* 8.4.19 */ #define RSL_MSG_SACCH_INFO_MODIFY 52 /* 8.4.20 */ #define RSL_MSG_TALKER_DET 53 /* 8.4.21 */ #define RSL_MSG_LISTENER_DET 54 /* 8.4.22 */ #define RSL_MSG_REMOTE_CODEC_CONF_REP 55 /* 8.4.23 */ #define RSL_MSG_R_T_D_REP 56 /* 8.4.24 */ #define RSL_MSG_PRE_HANDO_NOTIF 57 /* 8.4.25 */ #define RSL_MSG_MR_CODEC_MOD_REQ 58 /* 8.4.26 */ #define RSL_MSG_MR_CODEC_MOD_ACK 59 /* 8.4.27 */ #define RSL_MSG_MR_CODEC_MOD_NACK 60 /* 8.4.28 */ #define RSL_MSG_MR_CODEC_MOD_PER 61 /* 8.4.29 */ #define RSL_MSG_TFO_REP 62 /* 8.4.30 */ #define RSL_MSG_TFO_MOD_REQ 63 /* 8.4.31 */ /* 0 1 - - - - - - Location Services messages: */ #define RSL_MSG_LOC_INF 65 /* 8.7.1 */ static const value_string rsl_msg_type_vals[] = { /* 0 0 0 0 - - - - Radio Link Layer Management messages: */ { 0x01, "DATA REQuest" }, /* 8.3.1 */ { 0x02, "DATA INDication" }, /* 8.3.2 */ { 0x03, "ERROR INDication" }, /* 8.3.3 */ { 0x04, "ESTablish REQuest" }, /* 8.3.4 */ { 0x05, "ESTablish CONFirm" }, /* 8.3.5 */ { 0x06, "ESTablish INDication" }, /* 8.3.6 */ { 0x07, "RELease REQuest" }, /* 8.3.7 */ { 0x08, "RELease CONFirm" }, /* 8.3.8 */ { 0x09, "RELease INDication" }, /* 8.3.9 */ { 0x0a, "UNIT DATA REQuest" }, /* 8.3.10 */ /* 0 0 0 1 - - - - Common Channel Management/TRX Management messages: */ { 0x11, "BCCH INFOrmation" }, /* 8.5.1 */ { 0x12, "CCCH LOAD INDication" }, /* 8.5.2 */ { 0x13, "CHANnel ReQuireD" }, /* 8.5.3 */ { 0x14, "DELETE INDication" }, /* 8.5.4 */ { 0x15, "PAGING CoMmanD" }, /* 8.5.5 */ { 0x16, "IMMEDIATE ASSIGN COMMAND" }, /* 8.5.6 */ { 0x17, "SMS BroadCast REQuest" }, /* 8.5.7 */ { 0x19, "RF RESource INDication" }, /* 8.6.1 */ { 0x1a, "SACCH FILLing" }, /* 8.6.2 */ { 0x1b, "OVERLOAD" }, /* 8.6.3 */ { 0x1c, "ERROR REPORT" }, /* 8.6.4 */ { 0x1d, "SMS BroadCast CoMmanD" }, /* 8.5.8 */ { 0x1e, "CBCH LOAD INDication" }, /* 8.5.9 */ { 0x1f, "NOTification CoMmanD" }, /* 8.5.10 */ /* 0 0 1 - - - - - Dedicated Channel Management messages: */ { 0x21, "CHANnel ACTIVation" }, /* 8.4.1 */ { 0x22, "CHANnel ACTIVation ACKnowledge" }, /* 8.4.2 */ { 0x23, "CHANnel ACTIVation Negative ACK" }, /* 8.4.3 */ { 0x24, "CONNection FAILure" }, /* 8.4.4 */ { 0x25, "DEACTIVATE SACCH" }, /* 8.4.5 */ { 0x26, "ENCRyption CoMmanD" }, /* 8.4.6 */ { 0x27, "HANDOver DETection" }, /* 8.4.7 */ { 0x28, "MEASurement RESult" }, /* 8.4.8 */ { 0x29, "MODE MODIFY REQuest" }, /* 8.4.9 */ { 0x2a, "MODE MODIFY ACKnowledge" }, /* 8.4.10 */ { 0x2b, "MODE MODIFY Negative ACKnowledge" }, /* 8.4.11 */ { 0x2c, "PHYsical CONTEXT REQuest" }, /* 8.4.12 */ { 0x2d, "PHYsical CONTEXT CONFirm" }, /* 8.4.13 */ { 0x2e, "RF CHANnel RELease" }, /* 8.4.14 */ { 0x2f, "MS POWER CONTROL" }, /* 8.4.15 */ { 0x30, "BS POWER CONTROL" }, /* 8.4.16 */ { 0x31, "PREPROCess CONFIGure" }, /* 8.4.17 */ { 0x32, "PREPROCessed MEASurement RESult" }, /* 8.4.18 */ { 0x33, "RF CHANnel RELease ACKnowledge" }, /* 8.4.19 */ { 0x34, "SACCH INFO MODIFY" }, /* 8.4.20 */ { 0x35, "TALKER DETection" }, /* 8.4.21 */ { 0x36, "LISTENER DETection" }, /* 8.4.22 */ { 0x37, "REMOTE CODEC CONFiguration REPort" }, /* 8.4.23 */ { 0x38, "Round Trip Delay REPort" }, /* 8.4.24 */ { 0x39, "PRE-HANDOver NOTIFication" }, /* 8.4.25 */ { 0x3a, "MultiRate CODEC MODification REQest" }, /* 8.4.26 */ { 0x3b, "MultiRate CODEC MOD ACKnowledge" }, /* 8.4.27 */ { 0x3c, "MultiRate CODEC MOD Negative ACKnowledge" }, /* 8.4.28 */ { 0x3d, "MultiRate CODEC MOD PERformed" }, /* 8.4.29 */ { 0x3e, "TFO REPort" }, /* 8.4.30 */ { 0x3f, "TFO MODification REQuest" }, /* 8.4.31 */ /* 0 1 - - - - - - Location Services messages: */ { 0x41, "Location Information" }, /* 8.7.1 */ { 0, NULL } }; #define RSL_IE_CH_NO 1 #define RSL_IE_LINK_ID 2 #define RSL_IE_ACT_TYPE 3 #define RSL_IE_BS_POW 4 #define RSL_IE_CH_ID 5 #define RSL_IE_CH_MODE 6 #define RSL_IE_ENC_INF 7 #define RSL_IE_FRAME_NO 8 #define RSL_IE_HO_REF 9 #define RSL_IE_L1_INF 10 #define RSL_IE_L3_INF 11 #define RSL_IE_MS_ID 12 #define RSL_IE_MS_POW 13 #define RSL_IE_PAGING_GRP 14 #define RSL_IE_PAGING_LOAD 15 #define RSL_IE_PHY_CTX 16 #define RSL_IE_ACCESS_DELAY 17 #define RSL_IE_RACH_LOAD 18 #define RSL_IE_REQ_REF 19 #define RSL_IE_REL_MODE 20 #define RSL_IE_RESOURCE_INF 21 #define RSL_IE_RLM_CAUSE 22 #define RSL_IE_STARTING_TIME 23 #define RSL_IE_TIMING_ADV 24 #define RSL_IE_UPLINK_MEAS 25 #define RSL_IE_CAUSE 26 #define RSL_IE_MEAS_RES_NO 27 #define RSL_IE_MESSAGE_ID 28 #define RSL_IE_SYS_INFO_TYPE 30 #define RSL_IE_FULL_IMM_ASS_INF 35 #define RSL_IE_SMSCB_INF 36 #define RSL_IE_FULL_MS_TIMING_OFFSET 37 #define RSL_IE_ERR_MSG 38 #define RSL_IE_FULL_BCCH_INF 39 #define RSL_IE_CH_NEEDED 40 #define RSL_IE_CB_CMD_TYPE 41 #define RSL_IE_SMSCB_MESS 42 #define RSL_IE_CBCH_LOAD_INF 43 #define RSL_IE_SMSCB_CH_IND 46 #define RSL_IE_GRP_CALL_REF 47 #define RSL_IE_CH_DESC 48 #define RSL_IE_NCH_DRX_INF 49 #define RSL_IE_CMD_IND 50 #define RSL_IE_EMLPP_PRIO 51 #define RSL_IE_UIC 52 #define RSL_IE_MAIN_CH_REF 53 #define RSL_IE_MULTIRATE_CONF 54 #define RSL_IE_MULTIRATE_CNTRL 55 #define RSL_IE_SUP_CODEC_TYPES 56 #define RSL_IE_CODEC_CONF 57 #define RSL_IE_RTD 58 #define RSL_IE_TFO_STATUS 59 #define RSL_IE_LLP_APDU 60 #define RSL_IE_TFO_TRANSP_CONT 61 static const value_string rsl_ie_type_vals[] = { { 0x01, "Channel Number" }, /* 9.3.1 */ { 0x02, "Link Identifier" }, /* 9.3.2 */ { 0x03, "Activation Type" }, /* 9.3.3 */ { 0x04, "BS Power" }, /* 9.3.4 */ { 0x05, "Channel Identification" }, /* 9.3.5 */ { 0x06, "Channel Mode" }, /* 9.3.6 */ { 0x07, "Encryption Information" }, /* 9.3.7 */ { 0x08, "Frame Number" }, /* 9.3.8 */ { 0x09, "Handover Reference" }, /* 9.3.9 */ { 0x0a, "L1 Information" }, /* 9.3.10 */ { 0x0b, "L3 Information" }, /* 9.3.11 */ { 0x0c, "MS Identity" }, /* 9.3.12 */ { 0x0d, "MS Power" }, /* 9.3.13 */ { 0x0e, "Paging Group" }, /* 9.3.14 */ { 0x0f, "Paging Load" }, /* 9.3.15 */ { 0x10, "Physical Context" }, /* 9.3.16 */ { 0x11, "Access Delay" }, /* 9.3.17 */ { 0x12, "RACH Load" }, /* 9.3.18 */ { 0x13, "Request Reference" }, /* 9.3.19 */ { 0x14, "Release Mode" }, /* 9.3.20 */ { 0x15, "Resource Information" }, /* 9.3.21 */ { 0x16, "RLM Cause" }, /* 9.3.22 */ { 0x17, "Starting Time" }, /* 9.3.23 */ { 0x18, "Timing Advance" }, /* 9.3.24 */ { 0x19, "Uplink Measurements" }, /* 9.3.25 */ { 0x1a, "Cause" }, /* 9.3.26 */ { 0x1b, "Measurement Result Number" }, /* 9.3.27 */ { 0x1c, "Message Identifier" }, /* 9.3.28 */ { 0x1d, "reserved" }, /* */ { 0x1e, "System Info Type" }, /* 9.3.30 */ { 0x1f, "MS Power Parameters" }, /* 9.3.31 */ { 0x20, "BS Power Parameters" }, /* 9.3.32 */ { 0x21, "Pre-processing Parameters" }, /* 9.3.33 */ { 0x22, "Pre-processed Measurements" }, /* 9.3.34 */ { 0x23, "reserved" }, /* */ { 0x24, "SMSCB Information" }, /* 9.3.36 */ { 0x25, "MS Timing Offset" }, /* 9.3.37 */ { 0x26, "Erroneous Message" }, /* 9.3.38 */ { 0x27, "Full BCCH Information" }, /* 9.3.39 */ { 0x28, "Channel Needed" }, /* 9.3.40 */ { 0x29, "CB Command type" }, /* 9.3.41 */ { 0x2a, "SMSCB Message" }, /* 9.3.42 */ { 0x2b, "Full Immediate Assign Info" }, /* 9.3.35 */ { 0x2c, "SACCH Information" }, /* 9.3.29 */ { 0x2d, "CBCH Load Information" }, /* 9.3.43 */ { 0x2e, "SMSCB Channel Indicator" }, /* 9.3.44 */ { 0x2f, "Group Call Reference" }, /* 9.3.45 */ { 0x30, "Channel Description" }, /* 9.3.46 */ { 0x31, "NCH DRX Information" }, /* 9.3.47 */ { 0x32, "Command Indicator" }, /* 9.3.48 */ { 0x33, "eMLPP Priority" }, /* 9.3.49 */ { 0x34, "UIC" }, /* 9.3.50 */ { 0x35, "Main Channel Reference" }, /* 9.3.51 */ { 0x36, "MultiRate Configuration" }, /* 9.3.52 */ { 0x37, "MultiRate Control" }, /* 9.3.53 */ { 0x38, "Supported Codec Types" }, /* 9.3.54 */ { 0x39, "Codec Configuration" }, /* 9.3.55 */ { 0x3a, "Round Trip Delay" }, /* 9.3.56 */ { 0x3b, "TFO Status" }, /* 9.3.57 */ { 0x3c, "LLP APDU" }, /* 9.3.58 */ { 0x3d, "TFO Transparent Container" }, /* 9.3.59 */ /* 0 0 1 1 1 1 1 0 to 1 1 1 0 1 1 1 1 Reserved for future use 1 1 1 1 0 0 0 0 to 1 1 1 1 1 1 1 1 Not used */ { 0, NULL } }; /* C5 C4 C3 C2 C1 0 0 0 0 1 Bm + ACCH's 0 0 0 1 T Lm + ACCH's 0 0 1 T T SDCCH/4 + ACCH 0 1 T T T SDCCH/8 + ACCH 1 0 0 0 0 BCCH 1 0 0 0 1 Uplink CCCH (RACH) 1 0 0 1 0 Downlink CCCH (PCH + AGCH) */ static const value_string rsl_ch_no_Cbits_vals[] = { { 0x01, "Bm + ACCH's" }, { 0x03, "Lm + ACCH's" }, { 0x03, "Lm + ACCH's" }, { 0x04, "SDCCH/4 + ACCH" }, { 0x05, "SDCCH/4 + ACCH" }, { 0x06, "SDCCH/4 + ACCH" }, { 0x07, "SDCCH/4 + ACCH" }, { 0x08, "SDCCH/8 + ACCH" }, { 0x09, "SDCCH/8 + ACCH" }, { 0x0a, "SDCCH/8 + ACCH" }, { 0x0b, "SDCCH/8 + ACCH" }, { 0x0c, "SDCCH/8 + ACCH" }, { 0x0d, "SDCCH/8 + ACCH" }, { 0x0e, "SDCCH/8 + ACCH" }, { 0x0f, "SDCCH/8 + ACCH" }, { 0x10, "BCCH" }, { 0x11, "Uplink CCCH (RACH)" }, { 0x12, "Downlink CCCH (PCH + AGCH)" }, { 0, NULL } }; /* 9.3.1 Channel number 9.3.1 M TV 2 */ static int dissect_rsl_ie_ch_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CH_NO) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"Channel number IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_ch_no); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* C-bits */ proto_tree_add_item(ie_tree, hf_rsl_ch_no_Cbits, tvb, offset, 1, FALSE); /* TN is time slot number, binary represented as in 3GPP TS 45.002. * 3 Bits */ proto_tree_add_item(ie_tree, hf_rsl_ch_no_TN, tvb, offset, 1, FALSE); offset++; return offset; } static const value_string rsl_ch_type_vals[] = { { 0x00, "Main signalling channel (FACCH or SDCCH)" }, { 0x01, "SACCH" }, { 0, NULL } }; static const value_string rsl_prio_vals[] = { { 0x00, "Normal Priority" }, { 0x01, "High Priority" }, { 0x02, "Low Priority" }, { 0, NULL } }; /* * 9.3.2 Link Identifier M TV 2 */ static int dissect_rsl_ie_link_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 octet; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_LINK_ID) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2, "Link Identifier IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_link_id); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; octet = tvb_get_guint8(tvb,offset); if((octet&0x20) == 0x20){ /* Not applicable */ proto_tree_add_item(ie_tree, hf_rsl_na, tvb, offset, 1, FALSE); return offset++; } /* channel type */ proto_tree_add_item(ie_tree, hf_rsl_ch_type, tvb, offset, 1, FALSE); /* NA - Not applicable */ proto_tree_add_item(ie_tree, hf_rsl_na, tvb, offset, 1, FALSE); /* Priority */ proto_tree_add_item(ie_tree, hf_rsl_prio, tvb, offset, 1, FALSE); /* SAPI * The SAPI field contains the SAPI value as defined in 3GPP TS 44.005. */ proto_tree_add_item(ie_tree, hf_rsl_sapi, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.3 Activation Type */ static const true_false_string rsl_rbit_vals = { "Reactivation", "Initial activation" }; static const value_string rsl_a3a2_vals[] = { { 0x00, "Activation related to intra-cell channel change" }, { 0x01, "Activation related to inter-cell channel change (handover)" }, { 0x02, "Activation related to secondary channels" }, { 0, NULL } }; static const true_false_string rsl_a1_0_vals = { "related to normal assignment procedure", "related to immediate assignment procedure" }; static const true_false_string rsl_a1_1_vals = { "related to synchronous handover procedure", "related to asynchronous handover procedure" }; static const true_false_string rsl_a1_2_vals = { "related to multislot configuration", "related to additional assignment procedure" }; static int dissect_rsl_ie_act_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; guint octet; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_ACT_TYPE) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"Activation Type IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_act_type); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* The R bit indicates if the procedure is an initial activation or a reactivation. */ proto_tree_add_item(ie_tree, hf_rsl_rbit, tvb, offset, 1, FALSE); /* The A-bits indicate the type of activation, which defines the access procedure * and the operation of the data link layer */ octet = (tvb_get_guint8(tvb,offset) & 0x06)>>1; proto_tree_add_item(ie_tree, hf_rsl_a3a2, tvb, offset, 1, FALSE); switch(octet){ case 0: /* Activation related to intra-cell channel change */ proto_tree_add_item(ie_tree, hf_rsl_a1_0, tvb, offset, 1, FALSE); break; case 1: /* Activation related to inter-cell channel change (handover) */ proto_tree_add_item(ie_tree, hf_rsl_a1_1, tvb, offset, 1, FALSE); break; case 2: /* Activation related to secondary channels */ proto_tree_add_item(ie_tree, hf_rsl_a1_2, tvb, offset, 1, FALSE); break; default: break; } offset++; return offset; } /* * 9.3.4 BS Power */ static const true_false_string rsl_epc_mode_vals = { "Channel in EPC mode", "Channel not in EPC mode" }; static const true_false_string rsl_fpc_epc_mode_vals = { "Fast Power Control in use", "Fast Power Control not in use" }; static const value_string rsl_rlm_bs_power_vals[] = { { 0x00, "Pn" }, { 0x01, "Pn - 2 dB" }, { 0x02, "Pn - 4 dB" }, { 0x03, "Pn - 6 dB" }, { 0x04, "Pn - 8 dB" }, { 0x05, "Pn - 10 dB" }, { 0x06, "Pn - 12 dB" }, { 0x07, "Pn - 14 dB" }, { 0x08, "Pn - 16 dB" }, { 0x09, "Pn - 18 dB" }, { 0x0a, "Pn - 20 dB" }, { 0x0b, "Pn - 22 dB" }, { 0x0c, "Pn - 24 dB" }, { 0x0d, "Pn - 26 dB" }, { 0x0e, "Pn - 28 dB" }, { 0x0f, "Pn - 30 dB" }, { 0, NULL } }; static int dissect_rsl_ie_bs_power(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_BS_POW) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"BS Power IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_bs_power); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* EPC mode */ proto_tree_add_item(ie_tree, hf_rsl_epc_mode, tvb, offset, 1, FALSE); /* FPC_EPC mode */ proto_tree_add_item(ie_tree, hf_rsl_bs_fpc_epc_mode, tvb, offset, 1, FALSE); /* The Power Level field (octet 2) indicates the number of 2 dB steps by * which the power shall be reduced from its nominal value, Pn, * set by the network operator to adjust the coverage. * Thus the Power Level values correspond to the following powers (relative to Pn): */ proto_tree_add_item(ie_tree, hf_rsl_bs_power, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.5 Channel Identification */ static int dissect_rsl_ie_ch_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 length; int ie_offset; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CH_ID) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Channel Identification IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ch_id); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb, offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* 3GPP TS 44.018 "Channel Description" */ de_rr_ch_dsc(tvb, ie_tree, offset, length, NULL, 0); /* * The 3GPP TS 24.008 "Mobile Allocation" shall for compatibility reasons be * included but empty, i.e. the length shall be zero. */ return ie_offset + length; } /* * 9.3.6 Channel Mode */ static const true_false_string rsl_dtx_vals = { "DTX is applied", "DTX is not applied" }; static const value_string rsl_speech_or_data_vals[] = { { 0x01, "Speech" }, { 0x02, "Data" }, { 0x03, "Signalling" }, { 0, NULL } }; static const value_string rsl_ch_rate_and_type_vals[] = { { 0x01, "SDCCH" }, { 0x08, "Full rate TCH channel Bm" }, { 0x09, "Half rate TCH channel Lm" }, { 0x0a, "Full rate TCH channel bi-directional Bm, Multislot configuration" }, { 0x1a, "Full rate TCH channel uni-directional downlink Bm, Multislot configuration" }, { 0x18, "Full rate TCH channel Bm Group call channel" }, { 0x19, "Half rate TCH channel Lm Group call channel" }, { 0x28, "Full rate TCH channel Bm Broadcast call channel" }, { 0x29, "PHalf rate TCH channel Lm Broadcast call channel" }, { 0, NULL } }; static const value_string rsl_speech_coding_alg_vals[] = { { 0x01, "GSM speech coding algorithm version 1: GSM FR or GSM HR" }, { 0x11, "GSM speech coding algorithm version 2: GSM EFR (half rate not defined in this version of the protocol)" }, { 0x21, "GSM speech coding algorithm version 3: FR AMR or HR AMR" }, { 0x31, "GSM speech coding algorithm version 4: OFR AMR-WB or OHR AMR-WB" }, { 0x09, "GSM speech coding algorithm version 5: FR AMR-WB" }, { 0x0d, "GSM speech coding algorithm version 6: OHR AMR" }, { 0, NULL } }; static const true_false_string t_nt_bit_vals = { "Non-transparent service", "Transparent service" }; static const value_string rsl_ra_if_data_rte_vals[] = { { 0x21, "asymmetric 43.5 kbit/s (downlink) + 14.5 kbit/s (uplink)" }, { 0x22, "asymmetric 29.0 kbit/s (downlink) + 14.5 kbit/s (uplink)" }, { 0x23, "asymmetric 43.5 kbit/s (downlink) + 29.0 kbit/s (uplink)" }, { 0x29, "asymmetric 14.5 kbit/s (downlink) + 43.5 kbit/s (uplink)" }, { 0x2a, "asymmetric 14.5 kbit/s (downlink) + 29.0 kbit/s (uplink)" }, { 0x2b, "asymmetric 29.0 kbit/s (downlink) + 43.5 kbit/s (uplink)" }, { 0x34, "43.5 kbit/s" }, { 0x31, "28.8 kbit/s" }, { 0x18, "14.5 kbit/s" }, { 0x10, "12 kbit/s" }, { 0x11, "6 kbit/s" }, { 0, NULL } }; static const value_string rsl_data_rte_vals[] = { { 0x38, "32 kbit/s" }, { 0x22, "39 kbit/s" }, { 0x18, "14.4 kbit/s" }, { 0x10, "9.6 kbit/s" }, { 0x11, "4.8 kbit/s" }, { 0x12, "2.4 kbit/s" }, { 0x13, "1.2 kbit/s" }, { 0x14, "600 bit/s" }, { 0x15, "1 200/75 bit/s (1 200 network-to-MS, 75 MS-to-network)" }, { 0, NULL } }; static int dissect_rsl_ie_ch_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 length; int ie_offset; guint8 ie_id; guint8 octet; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CH_MODE) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Channel Mode IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ch_mode); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb, offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* The DTX bits of octet 3 indicate whether DTX is applied * DTXd indicates use of DTX in the downlink direction (BTS to MS) and * DTXu indicates use of DTX in the uplink direction (MS to BTS). */ proto_tree_add_item(ie_tree, hf_rsl_cm_dtxd, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_cm_dtxu, tvb, offset, 1, FALSE); offset++; /* The "Speech or data indicator" field (octet 4) */ proto_tree_add_item(ie_tree, hf_rsl_speech_or_data, tvb, offset, 1, FALSE); octet = tvb_get_guint8(tvb,offset); offset++; /* Channel rate and type */ proto_tree_add_item(ie_tree, hf_rsl_ch_rate_and_type, tvb, offset, 1, FALSE); offset++; /* Speech coding algor./data rate + transp ind */ switch(octet){ case 1: /* Speech */ proto_tree_add_item(ie_tree, hf_rsl_speech_coding_alg, tvb, offset, 1, FALSE); break; case 2: /* Data */ proto_tree_add_item(ie_tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_t_nt_bit, tvb, offset, 1, FALSE); octet = tvb_get_guint8(tvb,offset); if ((octet&0x40)==0x40){ /* Non-transparent service */ /* For the non-transparent service, bits 6 to 1 indicate the radio interface data rate:*/ proto_tree_add_item(ie_tree, hf_rsl_ra_if_data_rte, tvb, offset, 1, FALSE); }else{ /* For the transparent service, bits 6-1 indicate the data rate: */ proto_tree_add_item(ie_tree, hf_rsl_data_rte, tvb, offset, 1, FALSE); } break; case 3: /* Signalling * If octet 4 indicates signalling then octet 6 is coded as follows: * 0000 0000 No resources required */ proto_tree_add_text(tree, tvb,offset,1,"0 No resources required(All other values are reserved)"); break; default: /* Should not happen */ proto_tree_add_text(ie_tree, tvb,offset,1,"Speech or data indicator != 1,2 or 3"); break; } offset++; return ie_offset + length; } /* * 9.3.7 Encryption information */ /* The Algorithm Identifier field (octet 3) indicates the relevant ciphering algorithm. It is coded as: */ static const value_string rsl_algorithm_id_vals[] = { { 0x00, "Pn" }, { 0x00, "Reserved" }, { 0x01, "No encryption shall be used" }, { 0x02, "GSM encryption algorithm version 1 (A5/1)" }, { 0x03, "GSM A5/2" }, { 0x04, "GSM A5/3" }, { 0x05, "GSM A5/4" }, { 0x06, "GSM A5/5" }, { 0x07, "GSM A5/6" }, { 0x08, "GSM A5/7" }, { 0, NULL } }; static int dissect_rsl_ie_enc_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_ENC_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Encryption information IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_enc_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb, offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* Algorithm Identifier field (octet 3) */ proto_tree_add_item(ie_tree, hf_rsl_alg_id, tvb, offset, 1, FALSE); /* key */ proto_tree_add_item(ie_tree, hf_rsl_key, tvb, offset+1, length -1, FALSE); return offset + length; } /* * 9.3.8 Frame Number */ static int dissect_rsl_ie_frame_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_FRAME_NO) return offset; } ti = proto_tree_add_text(tree, tvb,offset,3,"Frame Number IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_frame_no); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.9 Handover reference */ static int dissect_rsl_ie_ho_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_HO_REF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"Handover reference IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ho_ref); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Hand-over reference */ proto_tree_add_item(ie_tree, hf_rsl_ho_ref, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.10 L1 Information */ static int dissect_rsl_ie_l1_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_L1_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset, 3,"L1 Information IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_l1_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Octets 2-3 contain the L1 header information of SACCH blocks. * The information fields and codings are as defined in 3GPP TS 44.004. */ /* Power level */ proto_tree_add_item(ie_tree, hf_rsl_ms_power_lev, tvb, offset, 1, FALSE); /* FPC */ proto_tree_add_item(ie_tree, hf_rsl_ms_fpc, tvb, offset, 1, FALSE); offset++; /* Actual Timing Advance */ proto_tree_add_item(ie_tree, hf_rsl_act_timing_adv, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.11 L3 Information 9.3.11 M TLV >=3 * * This element contains a link layer service data unit (L3 message). * It is used to forward a complete L3 message as specified in * 3GPP TS 24.008 or 3GPP TS 44.018 between BTS and BSC. */ static int dissect_rsl_ie_L3_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; tvbuff_t *next_tvb; guint16 length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_L3_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"L3 Information IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_L3_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_ntohs(tvb, offset); proto_item_set_len(ti, length+3); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 2, FALSE); offset= offset+2; /* Link Layer Service Data Unit (i.e. a layer 3 message * as defined in 3GPP TS 24.008 or 3GPP TS 44.018) */ proto_tree_add_text(ie_tree, tvb,offset,length,"Link Layer Service Data Unit ( L3 Message)"); next_tvb = tvb_new_subset(tvb, offset, length, length); call_dissector(gsm_a_dtap_handle, next_tvb, pinfo, top_tree); offset = offset + length; return offset; } /* * 9.3.12 MS Identity */ static int dissect_rsl_ie_ms_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_MS_ID) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"MS Identity IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ms_id); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; de_mid(tvb, ie_tree, offset, length, NULL, 0); offset = offset + length; return offset; } static const true_false_string rsl_ms_fpc_epc_mode_vals = { "In use", "Not in use" }; /* * 9.3.13 MS Power */ static int dissect_rsl_ie_ms_pow(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_MS_POW) return offset; } ti = proto_tree_add_text(tree, tvb,offset, 2,"MS Power IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ms_pow); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* MS power level */ proto_tree_add_item(ie_tree, hf_rsl_ms_power_lev, tvb, offset, 1, FALSE); /* FPC */ proto_tree_add_item(ie_tree, hf_rsl_ms_fpc, tvb, offset, 1, FALSE); /* Reserved */ offset++; return offset; } /* * 9.3.14 Paging Group M TV 2 2 */ static int dissect_rsl_ie_paging_grp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_PAGING_GRP) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"Paging Group IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_paging_grp); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* The Paging Group field (octet 2) contains the binary representation of the paging * group as defined in 3GPP TS 45.002. */ proto_tree_add_item(ie_tree, hf_rsl_paging_grp, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.15 Paging Load */ static int dissect_rsl_ie_paging_load(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_PAGING_LOAD) return offset; } ti = proto_tree_add_text(tree, tvb,offset,3,"Paging Load IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_paging_load); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* * Paging Buffer Space. */ proto_tree_add_item(ie_tree, hf_rsl_paging_load, tvb, offset, 2, FALSE); offset = offset + 2; return offset; } /* * 9.3.16 Physical Context TLV */ static int dissect_rsl_ie_phy_ctx(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_PHY_CTX) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Physical Context IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_phy_ctx); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* * Physical Context Information: * The Physical Context Information field is not specified. * This information should not be analysed by BSC, but merely * forwarded from one TRX/channel to another. */ proto_tree_add_item(ie_tree, hf_rsl_phy_ctx, tvb, offset, length, FALSE); offset = offset + length; return offset; } /* * 9.3.17 Access Delay M TV 2 */ static int dissect_rsl_ie_access_delay(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_ACCESS_DELAY) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"Access Delay IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_access_delay); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_acc_delay, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.18 RACH Load */ static int dissect_rsl_ie_rach_load(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; int ie_offset; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_RACH_LOAD) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"RACH Load IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_rach_load); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* * This element is used to carry information on the load of the RACH (Random Access Channel) * associated with this CCCH timeslot. It is of variable length. */ /* RACH Slot Count */ proto_tree_add_item(ie_tree, hf_rsl_rach_slot_cnt, tvb, offset, 2, FALSE); offset = offset +2; length = length -2; /* RACH Busy Count */ proto_tree_add_item(ie_tree, hf_rsl_rach_busy_cnt, tvb, offset, 2, FALSE); offset = offset +2; length = length -2; /* RACH Access Count */ proto_tree_add_item(ie_tree, hf_rsl_rach_acc_cnt, tvb, offset, 2, FALSE); offset = offset +2; length = length -2; /* Supplementary Information */ if( length > 0){ proto_tree_add_text(ie_tree, tvb, offset,length ,"Supplementary Information"); } offset = ie_offset + length; return offset; } /* * 9.3.19 Request Reference M TV 4 */ static int dissect_rsl_ie_req_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_REQ_REF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,4,"Request Reference IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_req_ref); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_req_ref_ra, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, FALSE); offset++; return offset; } static const value_string rel_mode_vals[] = { { 0x00, "Normal Release" }, { 0x01, "Local End Release" }, { 0, NULL } }; /* * 9.3.20 Release Mode 9.3.20 M TV 2 */ static int dissect_rsl_ie_rel_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_REL_MODE) return offset; } ti = proto_tree_add_text(tree, tvb,offset,4,"Release Mode IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_rel_mode); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* The M bit is coded as follows: * 0 normal release * 1 local end release */ proto_tree_add_item(ie_tree, hf_rsl_rel_mode, tvb, offset, 1, FALSE); offset++; return offset; } static const value_string rsl_rlm_cause_vals[] = { { 0x00, "reserved" }, { 0x01, "timer T200 expired (N200+1) times" }, { 0x02, "re-establishment request" }, { 0x03, "unsolicited UA response" }, { 0x04, "unsolicited DM response" }, { 0x05, "unsolicated DM response, multiple frame established state" }, { 0x06, "unsolicited supervisory response" }, { 0x07, "sequence error" }, { 0x08, "U-frame with incorrect parameters" }, { 0x09, "S-frame with incorrect parameters" }, { 0x0a, "I-frame with incorrect use of M bit" }, { 0x0b, "I-frame with incorrect length" }, { 0x0c, "frame not implemented" }, { 0x0d, "SABM command, multiple frame established state" }, { 0x0e, "SABM frame with information not allowed in this state" }, { 0, NULL } }; /* * 9.3.21 Resource Information */ static int dissect_rsl_ie_resource_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; guint length; int ie_offset; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_RESOURCE_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Resource Information IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_resource_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; while (length > 0){ proto_tree_add_item(ie_tree, hf_rsl_ch_no_Cbits, tvb, offset, 1, FALSE); /* TN is time slot number, binary represented as in 3GPP TS 45.002. * 3 Bits */ proto_tree_add_item(ie_tree, hf_rsl_ch_no_TN, tvb, offset, 1, FALSE); offset++; /* Interference level (1) */ /* Interf Band */ proto_tree_add_item(ie_tree, hf_rsl_interf_band, tvb, offset, 1, FALSE); offset++; length = length - 2; } return ie_offset + length; } /* * 9.3.22 RLM Cause 9.3.22 M TLV 2-4 */ static int dissect_rsl_ie_rlm_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 octet; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_RLM_CAUSE) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"RLM Cause IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_rlm_cause); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* The Cause Value is a one octet field if the extension bit is set to 0. * If the extension bit is set to 1, the Cause Value is a two octet field. */ octet = tvb_get_guint8(tvb,offset); proto_tree_add_item(tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_cause, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.23 Starting Time */ static int dissect_rsl_ie_staring_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_STARTING_TIME) return offset; } ti = proto_tree_add_text(tree, tvb,offset,3,"Starting Time IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_staring_time); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.24 Timing Advance */ static int dissect_rsl_ie_timing_adv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_TIMING_ADV) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"Timing Advance IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_timing_adv); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_timing_adv, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.25 Uplink Measurements */ static const true_false_string rsl_dtxd_vals = { "Employed", "Not employed" }; static int dissect_rsl_ie_uplik_meas(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; int ie_offset; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_UPLINK_MEAS) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Uplink Measurements IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_uplink_meas); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* Octet 3 * 8 7 6 5 4 3 2 1 * rfu DTXd | RXLEV.FULL.up */ proto_tree_add_item(ie_tree, hf_rsl_dtxd, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_rxlev_full_up, tvb, offset, 1, FALSE); offset++; /* Octet4 * 8 7 6 5 4 3 2 1 * Reserved | RXLEV.SUB.up 4 */ proto_tree_add_item(ie_tree, hf_rsl_rxlev_sub_up, tvb, offset, 1, FALSE); offset++; /* Octet 5 * 8 7 6 5 4 3 2 1 * Reserved | RXQUAL.FULL.up | RXQUAL.SUB.up */ proto_tree_add_item(ie_tree, hf_rsl_rxqual_full_up, tvb, offset, 1, FALSE); proto_tree_add_item(ie_tree, hf_rsl_rxqual_sub_up, tvb, offset, 1, FALSE); offset++; /* Octet 6 - N * Supplementary Measurement Information */ return ie_offset+length; } static const value_string rsl_class_vals[] = { { 0x00, "Normal event" }, { 0x01, "Normal event" }, { 0x02, "Resource unavailable" }, { 0x03, "Service or option not available" }, { 0x04, "Service or option not implemented" }, { 0x05, "Invalid message (e.g. parameter out of range)" }, { 0x06, "Protocol error" }, { 0x07, "Interworking" }, { 0, NULL } }; /* * 9.3.26 Cause */ static int dissect_rsl_ie_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 octet; int ie_offset; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CAUSE) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Cause IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_cause); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* Cause Value */ octet = tvb_get_guint8(tvb,offset); proto_tree_add_item(tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE); proto_tree_add_item(tree, hf_rsl_class, tvb, offset, 1, FALSE); if ((octet & 0x80) == 80) /* Cause Extension*/ offset++; /* Diagnostic(s) if any */ return ie_offset+length; } /* * 9.3.27 Measurement result number */ static int dissect_rsl_ie_meas_res_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_MEAS_RES_NO) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"Measurement result number IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_meas_res_no); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Measurement result number */ proto_tree_add_item(ie_tree, hf_rsl_meas_res_no, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.28 Message Identifier */ static int dissect_rsl_ie_message_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_MESSAGE_ID) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Message Identifier IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_message_id); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Message Type */ proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.30 System Info Type */ static const value_string rsl_sys_info_type_vals[] = { { 0x00, "SYSTEM INFORMATION 8" }, { 0x01, "SYSTEM INFORMATION 1" }, { 0x02, "SYSTEM INFORMATION 2" }, { 0x03, "SYSTEM INFORMATION 3" }, { 0x04, "SYSTEM INFORMATION 4" }, { 0x05, "SYSTEM INFORMATION 5" }, { 0x06, "SYSTEM INFORMATION 6" }, { 0x07, "SYSTEM INFORMATION 7" }, { 0x08, "SYSTEM INFORMATION 16" }, { 0x09, "SYSTEM INFORMATION 17" }, { 0x0a, "SYSTEM INFORMATION 2bis" }, { 0x0b, "SYSTEM INFORMATION 2ter" }, { 0x0d, "SYSTEM INFORMATION 5bis" }, { 0x0e, "SYSTEM INFORMATION 5ter" }, { 0x0f, "SYSTEM INFORMATION 10" }, { 0x47, "EXTENDED MEASUREMENT ORDER" }, { 0x48, "MEASUREMENT INFORMATION" }, { 0x28, "SYSTEM INFORMATION 13" }, { 0x29, "SYSTEM INFORMATION 2quater" }, { 0x2a, "SYSTEM INFORMATION 9" }, { 0x2b, "SYSTEM INFORMATION 18" }, { 0x2c, "SYSTEM INFORMATION 19" }, { 0x2d, "SYSTEM INFORMATION 20" }, { 0, NULL } }; static int dissect_rsl_ie_sys_info_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id, sitype; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_SYS_INFO_TYPE) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"System Info Type IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_sys_info_type); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Message Type */ proto_tree_add_item(tree, hf_rsl_sys_info_type, tvb, offset, 1, FALSE); sitype = tvb_get_guint8(tvb, offset); offset++; /* Check if SI is 2q, if so set flag */ if (sitype==0x29) { is_si2q = TRUE; } return offset; } /* * 9.3.35 Full Immediate Assign Info TLV 25 */ static int dissect_rsl_ie_full_imm_ass_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; tvbuff_t *next_tvb; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_FULL_IMM_ASS_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Full Immediate Assign Info IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_full_imm_ass_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* The Full Immediate Assign Info field (octets 3-25) * contains a complete immediate assign message (IMMEDIATE ASSIGNMENT or * IMMEDIATE ASSIGNMENT EXTENDED or IMMEDIATE ASSIGNMENT REJECT) * as defined in 3GPP TS 44.018. */ proto_tree_add_text(ie_tree, tvb,offset,length,"Full Immediate Assign Info field"); next_tvb = tvb_new_subset(tvb, offset, length, length); call_dissector(gsm_a_ccch_handle, next_tvb, pinfo, top_tree); offset = offset + length; return offset; } /* * 9.3.36 SMSCB Information * * This element is used to convey a complete frame to be broadcast on the CBCH * including the Layer 2 header for the radio path. */ static int dissect_rsl_ie_smscb_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_SMSCB_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"SMSCB Information IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_smscb_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* * SMSCB frame */ proto_tree_add_text(ie_tree, tvb,offset,length,"SMSCB frame"); offset = offset + length; return offset; } /* * 9.3.37 MS Timing Offset */ static int dissect_rsl_ie_ms_timing_offset(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_FULL_MS_TIMING_OFFSET) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"MS Timing Offset IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ms_timing_offset); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Timing Offset * The meaning of the MS Timing Offset is as defined in 3GPP TS 45.010. * The value of MS Timing Offset is the binary value of the 8-bit Timing Offset field (octet 2) - 63. * The range of MS Timing Offset is therefore -63 to 192. */ proto_tree_add_item(ie_tree, hf_rsl_timing_offset, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.38 Erroneous Message * This information element is used to carry a complete A-bis interface message * which was considered erroneous at reception. */ static int dissect_rsl_ie_err_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_ERR_MSG) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Erroneous Message IE "); ie_tree = proto_item_add_subtree(ti, ett_ie_err_msg); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* Received Message */ offset = dissct_rsl_msg(tvb, pinfo, ie_tree, offset); return offset; } /* * 9.3.39 Full BCCH Information (message name) */ static int dissect_rsl_ie_full_bcch_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; tvbuff_t *next_tvb; guint16 length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_FULL_BCCH_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Full BCCH Information IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_full_bcch_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb, offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* * Octets 3-25 contain the complete L3 message as defined in 3GPP TS 44.018. */ proto_tree_add_text(ie_tree, tvb,offset,length,"Layer 3 message"); next_tvb = tvb_new_subset(tvb, offset, length, length); /* call_dissector(gsm_a_dtap_handle, next_tvb, pinfo, top_tree);*/ offset = offset + length; return offset; } /* * 9.3.40 Channel Needed */ static const value_string rsl_ch_needed_vals[] = { { 0x00, "Any Channel" }, { 0x01, "SDCCH" }, { 0x02, "TCH/F (Full rate)" }, { 0x03, "TCH/F or TCH/H (Dual rate)" }, { 0, NULL } }; static int dissect_rsl_ie_ch_needed(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CH_NEEDED) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Channel Needed IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ch_needed); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Channel */ proto_tree_add_item(ie_tree, hf_rsl_ch_needed, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.41 CB Command type */ static int dissect_rsl_ie_cb_cmd_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CB_CMD_TYPE) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"CB Command type IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_cb_cmd_type); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Channel */ proto_tree_add_item(ie_tree, hf_rsl_ch_needed, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.42 SMSCB Message */ static int dissect_rsl_ie_smscb_mess(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; int ie_offset; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_SMSCB_MESS) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"SMSCB Message IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_smscb_mess); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* * SMSCB Message */ proto_tree_add_text(ie_tree, tvb,offset,length ,"SMSCB Message"); offset = ie_offset + length; return offset; } /* * 9.3.43 CBCH Load Information */ static const true_false_string rsl_cbch_load_type_vals = { "Overflow", "Underflow" }; static int dissect_rsl_ie_cbch_load_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti, *item; proto_tree *ie_tree; guint8 ie_id; guint8 octet; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CBCH_LOAD_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"CBCH Load Information IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_cbch_load_inf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; octet = tvb_get_guint8(tvb,offset); /* CBCH Load Type */ proto_tree_add_item(ie_tree, hf_rsl_cbch_load_type, tvb, offset, 1, FALSE); /* Message Slot Count */ item = proto_tree_add_item(ie_tree, hf_rsl_msg_slt_cnt, tvb, offset, 1, FALSE); if ((octet & 0x80) == 0x80){ proto_item_append_text(item,"The amount of SMSCB messages (1 to 15) that are needed immediately by BTS"); }else{ proto_item_append_text(item,"The amount of delay in message slots (1 to 15) that is needed immediately by BTS"); } offset++; return offset; } /* * 9.3.44 SMSCB Channel Indicator */ static const value_string rsl_ch_ind_vals[] = { { 0x00, "Basic CBCH" }, { 0x01, "Extended CBCH (supporting the extended CBCH by the network or MSs is optional)" }, { 0, NULL } }; static int dissect_rsl_ie_smscb_ch_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_SMSCB_CH_IND) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"SMSCB Channel Indicator IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_smscb_ch_ind); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Channel Ind */ proto_tree_add_item(ie_tree, hf_rsl_ch_ind, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.45 Group call reference */ static int dissect_rsl_ie_grp_call_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_GRP_CALL_REF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Group call reference IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_grp_call_ref); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; proto_tree_add_text(ie_tree, tvb,offset,length,"Descriptive group or broadcast call reference"); /* The octets 3 to 7 are coded in the same way as the octets 2 to 6 * in the Descriptive group or broadcast call reference * information element as defined in 3GPP TS 24.008. */ de_d_gb_call_ref(tvb, ie_tree, offset, length, NULL, 0); offset = offset + length; return offset; } /* * 9.3.46 Channel description */ static int dissect_rsl_ie_ch_desc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CH_DESC) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Channel description IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_ch_desc); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; proto_tree_add_text(ie_tree, tvb,offset,length,"Group Channel Description"); /* Octet j (j = 3, 4, ..., n) is the unchanged octet j-2 of a radio interface Group Channel description * information element as defined in 3GPP TS 44.018, n-2 is equal to the length of the radio interface * Group channel description information element */ offset = offset + length; return offset; } /* * 9.3.47 NCH DRX information * This is a variable length element used to pass a radio interface information element * from BSC to BTS. */ static int dissect_rsl_ie_nch_drx(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_NCH_DRX_INF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"NCH DRX information IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_nch_drx); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* NCH DRX information */ /* Octet 3 bits 7 and 8 are spare and set to zero. */ /* Octet 3 bit 6 is the NLN status parameter as defined in 3GPP TS 44.018.*/ /* Octet 3 bits 3, 4 and 5 are bits 1, 2 and 3 of the radio interface * eMLPP priority as defined in 3GPP TS 44.018. */ /* Octet 3 bits 1 and 2 are bits 1 and 2 of the radio interface NLN * as defined in 3GPP TS 44.018. */ offset++; return offset; } /* * 9.3.48 Command indicator */ static int dissect_rsl_ie_cmd_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; guint8 octet; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CMD_IND) return offset; } /* TODO Length wrong if extended */ ti = proto_tree_add_text(tree, tvb,offset,2,"Command indicator IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_cmd_ind); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Extension bit */ proto_tree_add_item(ie_tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE); /* TODO this should probably be add_uint instead!!! */ octet = tvb_get_guint8(tvb,offset); if ((octet&0x80)==0x80){ /* extended */ /* Command Extension */ proto_tree_add_item(ie_tree, hf_rsl_command, tvb, offset, 2, FALSE); offset = offset+2; }else{ /* Command Value */ proto_tree_add_item(ie_tree, hf_rsl_command, tvb, offset, 1, FALSE); offset++; } return offset; } /* * 9.3.49 eMLPP Priority */ static const value_string rsl_emlpp_prio_vals[] = { { 0x00, "no priority applied" }, { 0x01, "call priority level 4" }, { 0x02, "call priority level 3" }, { 0x03, "call priority level 2" }, { 0x04, "call priority level 1" }, { 0x05, "call priority level 0" }, { 0x06, "call priority level B" }, { 0x07, "call priority level A" }, { 0, NULL } }; static int dissect_rsl_ie_emlpp_prio(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_EMLPP_PRIO) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"eMLPP Priority IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_emlpp_prio); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* The call priority field (bit 3 to 1 of octet 2) is coded in the same way * as the call priority field (bit 3 to 1 of octet 5) in the * Descriptive group or broadcast call reference information element * as defined in 3GPP TS 24.008. */ proto_tree_add_item(ie_tree, hf_rsl_emlpp_prio, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.50 UIC */ static int dissect_rsl_ie_uic(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_UIC) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"UIC IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_uic); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Octet 3 bits 1 to 6 contain the radio interface octet 2 bits 3 to 8 of the * UIC information element as defined in 3GPP TS 44.018. */ proto_tree_add_text(ie_tree, tvb,offset,1,"UIC"); offset++; return offset; } /* * 9.3.51 Main channel reference */ static int dissect_rsl_ie_main_ch_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_MAIN_CH_REF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Main channel reference IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_main_ch_ref); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* TN is time slot number, binary represented as in 3GPP TS 45.002. * 3 Bits */ proto_tree_add_item(ie_tree, hf_rsl_ch_no_TN, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.52 MultiRate configuration */ static int dissect_rsl_ie_multirate_conf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_MULTIRATE_CONF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"MultiRate configuration IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_multirate_conf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* Rest of element coded as in 3GPP TS 44.018 not including * 3GPP TS 44.018 element identifier or 3GPP TS 44.018 octet length value */ de_rr_multirate_conf(tvb, ie_tree, offset, length, NULL, 0); offset = offset + length; return offset; } /* * 9.3.53 MultiRate Control */ static int dissect_rsl_ie_multirate_cntrl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_MULTIRATE_CNTRL) return offset; } ti = proto_tree_add_text(tree, tvb,offset,2,"MultiRate Control IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_multirate_cntrl); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Bit 8 -5 Spare */ /* The OD field (bit 5 of octet 3) indicates if the BSC expects distant parameters or * TFO Decision algorithm result from the BTS */ /* The PRE field (bit 4 of octet 3) indicates if an handover is to be expected soon or not. */ /* The RAE field (bits 2-3, octet 3) defines whether the RATSCCH mechanism is enabled or not.*/ offset++; return offset; } /* * 9.3.54 Supported Codec Types * This element indicates the codec types supported by the BSS or remote BSS. */ static int dissect_rsl_ie_sup_codec_types(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_SUP_CODEC_TYPES) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Supported Codec Types IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_sup_codec_types); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; proto_tree_add_text(tree, tvb,offset,length,"Codec List"); /* The Codec List field (octet 4) lists the codec types that are supported * by the BSS and Transcoder, and are therefore potential candidates for TFO * establishment. */ /* The Codec List extension 1 field (octet 5) lists additional codec types * that are supported by the BSS and Transcoder, and are therefore potential * candidates for TFO establishment. When no codec from this list is supported, * then this field shall not be sent, and the extension bit of octet 4 shall * be set to 0. */ /* If bit 4 of the Codec List field (octet 4) indicates that FR AMR is supported * or if bit 5 of the Codec List field (octet 4) indicates that HR AMR is supported * and bit 8 is set to 0, or if bit 6 of the Codec List field (octet 4) indicates * that UMTS AMR is supported, or if bit 7 of the Codec List field (octet 4) * indicates that UMTS AMR 2 is supported, or if bit 1, 3, 4 or 5 of the Codec List * extension 1 field (octet 5) indicates that AMR WB is supported, the following * two octets (after the Codec List field and its extensions) is present */ return offset + length; } /* * 9.3.55 Codec Configuration */ /* The Active Codec Type field (bits 1-8, octet 3) indicates the type of codec in use. It is coded as follows: */ /* 0 0 0 0 . 0 0 0 0: Full Rate Codec in use 0 0 0 0 . 0 0 0 1: Half Rate Codec in use 0 0 0 0 . 0 0 1 0: Enhanced Full Rate Codec in use 0 0 0 0 . 0 0 1 1: FR Adaptive Multi Rate Codec in use 0 0 0 0 . 0 1 0 0: HR Adaptive Multi Rate Codec in use 0 0 0 0 . 0 1 0 1: UMTS Adaptive Multi Rate Codec in use 0 0 0 0 . 0 1 1 0: UMTS Adaptive Multi Rate 2 Codec in use 0 0 0 0 . 1 0 0 1: Full Rate Adaptive Multi-Rate WideBand Codec in use 0 0 0 0 1 0 1 0 UMTS Adaptive Multi-Rate WideBand Codec in use 0 0 0 0 1 0 1 1 8PSK Half Rate Adaptive Multi-Rate Codec in use 0 0 0 0 1 1 0 0 8PSK Full Rate Adaptive Multi-Rate WideBand Codec in use 0 0 0 0 1 1 0 1 8PSK Half Rate Adaptive Multi-Rate WideBand Codec in use All other values are reserved for future use */ static int dissect_rsl_ie_codec_conf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint length; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_CODEC_CONF) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Codec Configuration IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_codec_conf); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb,offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; /* Active Codec Type */ return offset + length; } /* * 9.3.56 Round Trip Delay * This element indicates the value of the calculated round trip delay between the BTS * and the transcoder, or between the BTS and the remote BTS, if TFO is established. */ static const value_string rsl_delay_ind_vals[] = { { 0x00, "The RTD field contains the BTS-Transcoder round trip delay" }, { 0x01, "The RTD field contains the BTS-Remote BTS round trip delay" }, { 0, NULL } }; static int dissect_rsl_ie_rtd(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti, *rtd_item; proto_tree *ie_tree; guint8 ie_id; guint8 rtd; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_RTD) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"Round Trip Delay IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_rtd); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* The RTD field is the binary representation of the value of the * round trip delay in 20 ms increments. */ rtd = (tvb_get_guint8(tvb,offset)>>1)*20; rtd_item = proto_tree_add_uint(tree, hf_rsl_rtd, tvb,offset,1,rtd); proto_item_append_text(rtd_item," ms"); /* The Delay IND field indicates if the delay corresponds to a BTS * to transcoder delay or to a BTS to remote BTS delay. */ proto_tree_add_item(ie_tree, hf_rsl_delay_ind, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.57 TFO Status * This element indicates if TFO is established. It is coded in 2 octets */ static const true_false_string rsl_tfo_vals = { "TFO is established", "TFO is not established" }; static int dissect_rsl_ie_tfo_status(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_TFO_STATUS) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"TFO Status IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_tfo_status); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; proto_tree_add_item(ie_tree, hf_rsl_tfo, tvb, offset, 1, FALSE); offset++; return offset; } /* * 9.3.58 LLP APDU */ static int dissect_rsl_ie_llp_apdu(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 length; int ie_offset; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_LLP_APDU) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"LLP APDU IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_llp_apdu); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb, offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* The rest of the information element contains the embedded message * that contains a Facility Information Element as defined in * 3GPP TS 44.071 excluding the Facility IEI and length of Facility IEI * octets defined in 3GPP TS 44.071. */ /* TODO: Given traces with LLP data this IE could be further dissected */ proto_tree_add_text(tree, tvb,offset,length, "Facility Information Element as defined in 3GPP TS 44.071"); return ie_offset + length; } /* * 9.3.59 TFO transparent container * This is a variable length element that conveys a message associated with TFO protocol, * as defined in 3GPP TS 28.062. This element can be sent from the BSC to the BTS or * from the BTS to the BSC. The BTS shall retrieve the information it is able to understand, * and forward transparently the complete information to the BSC or to the TRAU. */ static int dissect_rsl_ie_tfo_transp_cont(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory) { proto_item *ti; proto_tree *ie_tree; guint8 length; int ie_offset; guint8 ie_id; if(is_mandatory == FALSE){ ie_id = tvb_get_guint8(tvb,offset); if (ie_id != RSL_IE_TFO_TRANSP_CONT) return offset; } ti = proto_tree_add_text(tree, tvb,offset,0,"TFO transparent container IE"); ie_tree = proto_item_add_subtree(ti, ett_ie_tfo_transp_cont); /* Element identifier */ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE); offset++; /* Length */ length = tvb_get_guint8(tvb, offset); proto_item_set_len(ti, length+2); proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE); offset++; ie_offset = offset; /* The rest of the information element contains the embedded message * that contains a Facility Information Element as defined in * 3GPP TS 44.071 excluding the Facility IEI and length of Facility IEI * octets defined in 3GPP TS 44.071. */ proto_tree_add_text(tree, tvb,offset,length, "Embedded message that contains the TFO configuration"); return ie_offset + length; } static int dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { guint8 msg_type; msg_type = tvb_get_guint8(tvb,offset)&0x7f; proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, FALSE); offset++; switch (msg_type){ /* Radio Link Layer Management messages */ /* 8.3.1 DATA REQUEST */ case RSL_MSG_TYPE_DATA_REQ: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* L3 Information 9.3.11 M TLV >=3 */ offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.2 DATA INDICATION */ case RSL_MSG_TYPE_DATA_IND: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* L3 Information 9.3.11 M TLV >=3 */ offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.3 ERROR INDICATION */ case RSL_MSG_TYPE_ERROR_IND: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* RLM Cause 9.3.22 M TLV 2-4 */ offset = dissect_rsl_ie_rlm_cause(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.4 ESTABLISH REQUEST */ case RSL_MSG_TYPE_EST_REQ: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.5 ESTABLISH CONFIRM */ case RSL_MSG_TYPE_EST_CONF: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.6 */ case RSL_MSG_EST_IND: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* L3 Information 9.3.11 O (note 1) TLV 3-23 */ if(tvb_length_remaining(tvb,offset) >1) offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE); break; /* 8.3.7 RELEASE REQUEST */ case RSL_MSG_REL_REQ: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* Release Mode 9.3.20 M TV 2 */ offset = dissect_rsl_ie_rel_mode(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.8 RELEASE CONFIRM */ case RSL_MSG_REL_CONF: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.9 RELEASE INDICATION */ case RSL_MSG_REL_IND: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); break; /* 8.3.10 UNIT DATA REQUEST 10 */ case RSL_MSG_UNIT_DATA_REQ: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* L3 Information 9.3.11 O (note 1) TLV 3-23 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE); break; /* Common Channel Management/TRX Management messages */ /* 8.5.1 BCCH INFORMATION 17*/ case RSL_MSG_BCCH_INFO: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* System Info Type 9.3.30 M TV 2 */ offset = dissect_rsl_ie_sys_info_type(tvb, pinfo, tree, offset, TRUE); /* Full BCCH Info (SYS INFO) 9.3.39 O 1) TLV 25 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_full_bcch_inf(tvb, pinfo, tree, offset, TRUE); /* Starting Time 9.3.23 O 2) TV 3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_staring_time(tvb, pinfo, tree, offset, FALSE); break; /* 8.5.2 CCCH LOAD INDICATION 18*/ case RSL_MSG_CCCH_LOAD_IND: /* Channel number (note) 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Either RACH Load or Paging Load present */ /* RACH Load 9.3.18 C 1) TLV >=8 */ offset = dissect_rsl_ie_rach_load(tvb, pinfo, tree, offset, FALSE); /* Paging Load 9.3.15 C 2) TV 3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_paging_load(tvb, pinfo, tree, offset, FALSE); break; /* 8.5.3 */ case RSL_MSG_CHANRQD: /* 19 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Request Reference 9.3.19 M TV 4 */ offset = dissect_rsl_ie_req_ref(tvb, pinfo, tree, offset, TRUE); /* Access Delay 9.3.17 M TV 2 */ offset = dissect_rsl_ie_access_delay(tvb, pinfo, tree, offset, TRUE); /* Physical Context 9.3.16 O 1) TLV >=2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_phy_ctx(tvb, pinfo, tree, offset, FALSE); break; /* 8.5.4 DELETE INDICATION */ case RSL_MSG_DELETE_IND: /* 20 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Full Imm. Assign Info 9.3.35 M TLV 25 */ offset = dissect_rsl_ie_full_imm_ass_inf(tvb, pinfo, tree, offset, TRUE); break; case RSL_MSG_PAGING_CMD: /* 21 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Paging Group 9.3.14 M TV 2 2 */ offset = dissect_rsl_ie_paging_grp(tvb, pinfo, tree, offset, TRUE); /* MS Identity 9.3.12 M TLV 2-10 2 */ offset = dissect_rsl_ie_ms_id(tvb, pinfo, tree, offset, TRUE); /* Channel Needed 9.3.40 O 1) TV 2 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ch_needed(tvb, pinfo, tree, offset, FALSE); /* eMLPP Priority 9.3.49 O 2) TV 2 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_emlpp_prio(tvb, pinfo, tree, offset, FALSE); break; /* 8.5.6 IMMEDIATE ASSIGN COMMAND */ case RSL_MSG_IMM_ASS_CMD: /* 22 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Full Imm. Assign Info 9.3.35 M TLV 25 */ offset = dissect_rsl_ie_full_imm_ass_inf(tvb, pinfo, tree, offset, TRUE); break; /* 8.5.7 SMS BROADCAST REQUEST */ case RSL_MSG_SMS_BC_REQ: /* 23 8.5.7 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* SMSCB Information 9.3.36 M TV 24 */ offset = dissect_rsl_ie_smscb_inf(tvb, pinfo, tree, offset, TRUE); /* SMSCB Channel Indicator 9.3.44 O 1) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_smscb_ch_ind(tvb, pinfo, tree, offset, FALSE); break; /* 8.6 TRX MANAGEMENT MESSAGES */ /* 8.6.1 RF RESOURCE INDICATION */ case RSL_MSG_RF_RES_IND: /* 24 8.6.1 */ /* Resource Information 9.3.21 M TLV >=2 */ offset = dissect_rsl_ie_resource_inf(tvb, pinfo, tree, offset, TRUE); break; /* 8.6.2 SACCH FILLING */ case RSL_MSG_SACCH_FILL: /* 25 8.6.2 */ /* System Info Type 9.3.30 M TV 2 */ offset = dissect_rsl_ie_sys_info_type(tvb, pinfo, tree, offset, TRUE); /* L3 Info (SYS INFO) 9.3.11 O 1) TLV 22 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE); /* Starting Time 9.3.23 O 2) TV 3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_staring_time(tvb, pinfo, tree, offset, FALSE); break; case RSL_MSG_OVERLOAD: /* 27 8.6.3 */ /* Cause 9.3.26 M TLV >=3 */ offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE); break; case RSL_MSG_ERROR_REPORT: /* 28 8.6.4 */ /* Cause 9.3.26 M TLV >=3 */ offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE); /* Message Identifier 9.3.28 O 1) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_message_id(tvb, pinfo, tree, offset, FALSE); /* Channel Number 9.3.1 O 2) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Link identifier 9.3.2 O 3) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* Erroneous Message 9.3.38 O 4) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_err_msg(tvb, pinfo, tree, offset, TRUE); break; /* 8.5.8 SMS BROADCAST COMMAND */ case RSL_MSG_SMS_BC_CMD: /* 29 8.5.8 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* CB Command type 9.3.41 M TV 2 */ offset = dissect_rsl_ie_cb_cmd_type(tvb, pinfo, tree, offset, TRUE); /* SMSCB message 9.3.42 M TLV 2-90 */ offset = dissect_rsl_ie_smscb_mess(tvb, pinfo, tree, offset, TRUE); /* SMSCB Channel Indicator 9.3.44 O 1) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_smscb_ch_ind(tvb, pinfo, tree, offset, FALSE); break; case RSL_MSG_CBCH_LOAD_IND: /* 30 8.5.9 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* CBCH Load Information 9.3.43 M TV 2 */ offset = dissect_rsl_ie_cbch_load_inf(tvb, pinfo, tree, offset, TRUE); /* SMSCB Channel Indicator 9.3.44 O 1) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_smscb_ch_ind(tvb, pinfo, tree, offset, FALSE); break; case RSL_MSG_NOT_CMD: /* 31 8.5.10 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Command indicator 9.3.48 M 1) TLV 3-4 */ offset = dissect_rsl_ie_cmd_ind(tvb, pinfo, tree, offset, TRUE); /* Group call reference 9.3.45 O TLV 7 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_grp_call_ref(tvb, pinfo, tree, offset, FALSE); /* Channel Description 9.3.46 O TLV 3-n */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ch_desc(tvb, pinfo, tree, offset, FALSE); /* NCH DRX information 9.3.47 O TLV 3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_nch_drx(tvb, pinfo, tree, offset, FALSE); break; /* Dedicated Channel Management messages: */ /* 8.4.1 CHANNEL ACTIVATION 33*/ case RSL_MSG_CHAN_ACTIV: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Activation Type 9.3.3 M TV 2 */ offset = dissect_rsl_ie_act_type(tvb, pinfo, tree, offset, TRUE); /* Channel Mode 9.3.6 M TLV 8-9 */ offset = dissect_rsl_ie_ch_mode(tvb, pinfo, tree, offset, TRUE); /* Channel Identification 9.3.5 O 7) TLV 8 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ch_id(tvb, pinfo, tree, offset, FALSE); /* Encryption information 9.3.7 O 1) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_enc_inf(tvb, pinfo, tree, offset, FALSE); /* Handover Reference 9.3.9 C 2) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ho_ref(tvb, pinfo, tree, offset, FALSE); /* BS Power 9.3.4 O 3) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, FALSE); /* MS Power 9.3.13 O 3) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ms_pow(tvb, pinfo, tree, offset, FALSE); /* Timing Advance 9.3.24 C 3) 4) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_timing_adv(tvb, pinfo, tree, offset, FALSE); /* BS Power Parameters 9.3.32 O 5) TLV >=2 */ /* MS Power Parameters 9.3.31 O 5) TLV >=2 */ /* Physical Context 9.3.16 O 6) TLV >=2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_phy_ctx(tvb, pinfo, tree, offset, FALSE); /* SACCH Information 9.3.29 O 8) TLV >=3 */ /* UIC 9.3.50 O 9) TLV 3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_uic(tvb, pinfo, tree, offset, FALSE); /* Main channel reference 9.3.51 O 10) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_main_ch_ref(tvb, pinfo, tree, offset, FALSE); /* MultiRate configuration 9.3.52 O 11) TLV >=4 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE); /* MultiRate Control 9.3.53 O 12) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, FALSE); /* Supported Codec Types 9.3.54 O 12) TLV >=5 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE); /* TFO transparent container 9.3.59 O 12) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.2 CHANNEL ACTIVATION ACKNOWLEDGE 34*/ case RSL_MSG_CHAN_ACTIV_ACK: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Frame number 9.3.8 M TV 3 */ offset = dissect_rsl_ie_frame_no(tvb, pinfo, tree, offset, TRUE); break; case RSL_MSG_CHAN_ACTIV_N_ACK: /* 8.4.3 CHANNEL ACTIVATION NEGATIVE ACKNOWLEDGE */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Cause 9.3.26 M TLV >=3 */ offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.4 CONNECTION FAILURE INDICATION */ case RSL_MSG_CONN_FAIL: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Cause 9.3.26 M TLV >=3 */ offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.5 DEACTIVATE SACCH */ case RSL_MSG_DEACTIVATE_SACCH: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.6 ENCRYPTION COMMAND */ case RSL_MSG_ENCR_CMD: /* 38 8.4.6 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Encryption information 9.3.7 M TLV >=3 */ offset = dissect_rsl_ie_enc_inf(tvb, pinfo, tree, offset, TRUE); /* Link Identifier 9.3.2 M TV 2 */ offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE); /* L3 Info (CIPH MOD CMD) 9.3.11 M TLV 6 */ offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.7 HANDOVER DETECTION */ case RSL_MSG_HANDODET: /* 39 8.4.7 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Access Delay 9.3.17 O 1) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_access_delay(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.8 MEASUREMENT RESULT 40 */ case RSL_MSG_MEAS_RES: /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Measurement result number 9.3.27 M TV 2 */ offset = dissect_rsl_ie_meas_res_no(tvb, pinfo, tree, offset, TRUE); /* Uplink Measurements 9.3.25 M TLV >=5 */ offset = dissect_rsl_ie_uplik_meas(tvb, pinfo, tree, offset, TRUE); /* BS Power 9.3.4 M TV 2 */ offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, TRUE); /* L1 Information 9.3.10 O 1) TV 3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_l1_inf(tvb, pinfo, tree, offset, FALSE); /* L3 Info (MEAS REP, EXT MEAS REP or ENH MEAS REP) 9.3.11 O 1) TLV 21 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE); /* MS Timing Offset 9.3.37 O 2) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ms_timing_offset(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.9 MODE MODIFY */ case RSL_MSG_MODE_MODIFY_REQ: /* 41 8.4.9 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Channel Mode 9.3.6 M TLV 8-9 */ offset = dissect_rsl_ie_ch_mode(tvb, pinfo, tree, offset, TRUE); /* Encryption information 9.3.7 O 1) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_enc_inf(tvb, pinfo, tree, offset, FALSE); /* Main channel reference 9.3.45 O 2) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_main_ch_ref(tvb, pinfo, tree, offset, FALSE); /* MultiRate configuration 9.3.52 O 3) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE); /* Multirate Control 9.3.53 O 4) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, FALSE); /* Supported Codec Types 9.3.54 O 4) TLV >=5 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE); /* TFO transparent container 9.3.59 O 4) TLV */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.10 MODE MODIFY ACKNOWLEDGE */ case RSL_MSG_MODE_MODIFY_ACK: /* 42 8.4.10 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.11 MODE MODIFY NEGATIVE ACKNOWLEDGE */ case RSL_MSG_MODE_MODIFY_NACK: /* 43 8.4.11 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Cause 9.3.26 M TLV >=3 */ offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.12 PHYSICAL CONTEXT REQUEST */ case RSL_MSG_PHY_CONTEXT_REQ: /* 44 8.4.12 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.13 PHYSICAL CONTEXT CONFIRM */ case RSL_MSG_PHY_CONTEXT_CONF: /* 45 8.4.13 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* BS Power 9.3.4 M TV 2 */ offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, TRUE); /* MS Power 9.3.13 M TV 2 */ offset = dissect_rsl_ie_ms_pow(tvb, pinfo, tree, offset, TRUE); /* Timing Advance 9.3.24 M TV 2 */ offset = dissect_rsl_ie_timing_adv(tvb, pinfo, tree, offset, TRUE); /* Physical Context 9.3.16 O 1) TLV */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_phy_ctx(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.14 RF CHANNEL RELEASE */ case RSL_MSG_RF_CHAN_REL: /* 46 8.4.14 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.15 MS POWER CONTROL */ case RSL_MSG_MS_POWER_CONTROL: /* 47 8.4.15 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* MS Power 9.3.13 M TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ms_pow(tvb, pinfo, tree, offset, FALSE); /* MS Power Parameters 9.3.31 O 1) TLV >=2 */ break; /* 8.4.16 BS POWER CONTROL */ case RSL_MSG_BS_POWER_CONTROL: /* 48 8.4.16 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* BS Power 9.3.4 M TV 2 */ offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, TRUE); /* BS Power Parameters 9.3.32 O 1) TLV >=2 */ break; /* 8.4.17 PREPROCESS CONFIGURE */ case RSL_MSG_PREPROC_CONFIG: /* 49 8.4.17 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Preproc. Parameters 9.3.33 M TLV >=3 */ break; /* 8.4.18 PREPROCESSED MEASUREMENT RESULT */ case RSL_MSG_PREPROC_MEAS_RES: /* 50 8.4.18 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Preproc. Measurements 9.3.34 M TLV >=2 */ break; /* 8.4.19 RF CHANNEL RELEASE ACKNOWLEDGE */ case RSL_MSG_RF_CHAN_REL_ACK: /* 51 8.4.19 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.20 SACCH INFO MODIFY */ case RSL_MSG_SACCH_INFO_MODIFY: /* 52 8.4.20 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* System Info Type 9.3.30 M TV 2 */ offset = dissect_rsl_ie_sys_info_type(tvb, pinfo, tree, offset, TRUE); /* L3 Info 9.3.11 O 1) TLV 22 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE); /* Starting Time 9.3.23 O 2) TV 3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_staring_time(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.21 TALKER DETECTION */ case RSL_MSG_TALKER_DET: /* 53 8.4.21 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Access Delay 9.3.17 O 1) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.22 LISTENER DETECTION */ case RSL_MSG_LISTENER_DET: /* 54 8.4.22 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Access Delay 9.3.17 O 1) TV 2 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.23 REMOTE CODEC CONFIGURATION REPORT */ case RSL_MSG_REMOTE_CODEC_CONF_REP:/* 55 8.4.23 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Codec Configuration 9.3.55 M TLV >=3 */ offset = dissect_rsl_ie_codec_conf(tvb, pinfo, tree, offset, TRUE); /* Supported Codec Types 9.3.54 M TLV >=5 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE); /* TFO transparent container 9.3.59 O 4) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.24 ROUND TRIP DELAY REPORT */ case RSL_MSG_R_T_D_REP: /* 56 8.4.24 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Round Trip Delay 9.3.56 M TV 2 */ offset = dissect_rsl_ie_rtd(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.25 PRE-HANDOVER NOTIFICATION */ case RSL_MSG_PRE_HANDO_NOTIF: /* 57 8.4.25 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* MultiRateControl 9.3.53 M TV 2 */ offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, TRUE); /* Codec Configuration 9.3.55 M TLV >=3 */ offset = dissect_rsl_ie_codec_conf(tvb, pinfo, tree, offset, TRUE); /* TFO transparent container 9.3.59 O 4) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.26 MULTIRATE CODEC MODIFICATION REQUEST */ case RSL_MSG_MR_CODEC_MOD_REQ: /* 58 8.4.26 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* MultiRate Configuration 9.3.52 O 1) TLV >=4 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.27 MULTIRATE CODEC MODIFICATION ACKNOWLEDGE */ case RSL_MSG_MR_CODEC_MOD_ACK: /* 59 8.4.27 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* MultiRate Configuration 9.3.52 O 1) TLV >=4 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE); break; /* 8.4.28 MULTIRATE CODEC MODIFICATION NEGATIVE ACKNOWLEDGE */ case RSL_MSG_MR_CODEC_MOD_NACK: /* 60 8.4.28 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* Cause 9.3.26 M TLV >=3 */ offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.29 MULTIRATE CODEC MODIFICATION PERFORMED */ case RSL_MSG_MR_CODEC_MOD_PER: /* 61 8.4.29 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* MultiRate Configuration 9.3.52 M TLV >=4 */ offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.30 TFO REPORT */ case RSL_MSG_TFO_REP: /* 62 8.4.30 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* TFO Status 9.3.57 M TV 1 */ offset = dissect_rsl_ie_tfo_status(tvb, pinfo, tree, offset, TRUE); break; /* 8.4.31 TFO MODIFICATION REQUEST */ case RSL_MSG_TFO_MOD_REQ: /* 63 8.4.31 */ /* Channel number 9.3.1 M TV 2 */ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE); /* MultiRateControl 9.3.53 M TV 2 */ offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, TRUE); /* Supported Codec Type 9.3.54 O 1) TLV >=5 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE); /* TFO transparent container 9.3.59 O 4) TLV >=3 */ if(tvb_length_remaining(tvb,offset) > 0) offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE); break; /* 0 1 - - - - - - Location Services messages: */ /* 8.7.1 LOCATION INFORMATION */ case RSL_MSG_LOC_INF: /* 65 8.7.1 */ /* LLP APDU 9.3.58 M LV 2-N */ offset = dissect_rsl_ie_llp_apdu(tvb, pinfo, tree, offset, TRUE); break; default: break; } return offset; } static void dissect_rsl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_item *ti; proto_tree *rsl_tree; guint8 msg_type; int offset = 0; if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "RSL"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); msg_type = tvb_get_guint8(tvb,offset+1)&0x7f; if (check_col(pinfo->cinfo, COL_INFO)){ col_append_fstr(pinfo->cinfo, COL_INFO, "%s ",val_to_str(msg_type, rsl_msg_type_vals,"unknown %u")); } top_tree = tree; if (tree) { ti = proto_tree_add_item(tree, proto_rsl, tvb, 0, -1, FALSE); rsl_tree = proto_item_add_subtree(ti, ett_rsl); /* 9.1 Message discriminator */ proto_tree_add_item(rsl_tree, hf_rsl_msg_dsc, tvb, offset, 1, FALSE); proto_tree_add_item(rsl_tree, hf_rsl_T_bit, tvb, offset, 1, FALSE); offset++; offset = dissct_rsl_msg(tvb, pinfo, rsl_tree, offset); } } void proto_reg_handoff_rsl(void) { dissector_handle_t rsl_handle; rsl_handle = create_dissector_handle(dissect_rsl, proto_rsl); dissector_add("lapd.gsm.sapi", LAPD_GSM_SAPI_RA_SIG_PROC, rsl_handle); gsm_a_ccch_handle = find_dissector("gsm_a_ccch"); gsm_a_dtap_handle = find_dissector("gsm_a_dtap"); } /* Register the protocol with Wireshark */ void proto_register_rsl(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_rsl_msg_dsc, { "Message discriminator", "rsl.msg_dsc", FT_UINT8, BASE_DEC, VALS(rsl_msg_disc_vals), 0xfe, "Message discriminator", HFILL } }, { &hf_rsl_T_bit, { "T bit", "rsl.T_bit", FT_BOOLEAN, 8, TFS(&rsl_t_bit_vals), 0x01, "T bit", HFILL } }, { &hf_rsl_msg_type, { "Message type", "rsl.msg_type", FT_UINT8, BASE_HEX_DEC, VALS(rsl_msg_type_vals), 0x7f, "Message type", HFILL } }, { &hf_rsl_ie_id, { "Element identifier", "rsl.ie_id", FT_UINT8, BASE_HEX_DEC, VALS(rsl_ie_type_vals), 0x0, "Element identifier", HFILL } }, { &hf_rsl_ie_length, { "Length", "rsl.ie_length", FT_UINT16, BASE_DEC, NULL, 0x0, "Length", HFILL } }, { &hf_rsl_ch_no_Cbits, { "C-bits", "rsl.ch_no_Cbits", FT_UINT8, BASE_DEC, VALS(rsl_ch_no_Cbits_vals), 0xf8, "C-bits", HFILL } }, { &hf_rsl_ch_no_TN, { "Time slot number (TN)", "rsl.ch_no_TN", FT_UINT8, BASE_DEC, NULL, 0x07, "Time slot number (TN)", HFILL } }, { &hf_rsl_rtd, { "Round Trip Delay (RTD)", "rsl.rtd", FT_UINT8, BASE_DEC, NULL, 0xfe, "Round Trip Delay (RTD)", HFILL } }, { &hf_rsl_delay_ind, { "Delay IND", "rsl.delay_ind", FT_UINT8, BASE_DEC, rsl_delay_ind_vals, 0x01, "Delay IND", HFILL } }, { &hf_rsl_tfo, { "TFO", "rsl.tfo", FT_BOOLEAN, 8, TFS(&rsl_tfo_vals), 0x01, "TFO", HFILL } }, { &hf_rsl_req_ref_ra, { "Random Access Information (RA)", "rsl.req_ref_ra", FT_UINT8, BASE_DEC, NULL, 0x0, "Random Access Information (RA)", HFILL } }, { &hf_rsl_req_ref_T1prim, { "T1'", "rsl.req_ref_T1prim", FT_UINT8, BASE_DEC, NULL, 0xf8, "T1'", HFILL } }, { &hf_rsl_req_ref_T3, { "T3", "rsl.req_ref_T3", FT_UINT16, BASE_DEC, NULL, 0x07e0, "T3", HFILL } }, { &hf_rsl_req_ref_T2, { "T2", "rsl.req_ref_T2", FT_UINT8, BASE_DEC, NULL, 0x1f, "T2", HFILL } }, { &hf_rsl_timing_adv, { "Timing Advance", "rsl.timing_adv", FT_UINT8, BASE_DEC, NULL, 0x0, "Timing Advance", HFILL } }, { &hf_rsl_ho_ref, { "Hand-over reference", "rsl.ho_ref", FT_UINT8, BASE_DEC, NULL, 0x0, "Hand-over reference", HFILL } }, { &hf_rsl_ms_power_lev, { "MS power level", "rsl.ms_power_lev", FT_UINT8, BASE_DEC, NULL, 0xf8, "MS power level", HFILL } }, { &hf_rsl_ms_fpc, { "FPC/EPC", "rsl.ms_fpc", FT_BOOLEAN, 8, TFS(&rsl_ms_fpc_epc_mode_vals), 0x04, "FPC/EPC", HFILL } }, { &hf_rsl_act_timing_adv, { "Actual Timing Advance", "rsl.act_timing_adv", FT_UINT8, BASE_DEC, NULL, 0x0, "Actual Timing Advance", HFILL } }, { &hf_rsl_power_lev, { "Power level", "rsl.power_lev", FT_UINT8, BASE_DEC, NULL, 0x1f, "Power level", HFILL } }, { &hf_rsl_dtxd, { "DTXd", "rsl.dtxd", FT_BOOLEAN, 8, TFS(&rsl_dtxd_vals), 0x40, "DTXd", HFILL } }, { &hf_rsl_rxlev_full_up, { "RXLEV.FULL.up", "rsl.rxlev_full_up", FT_UINT8, BASE_DEC, NULL, 0x3f, "RXLEV.FULL.up", HFILL } }, { &hf_rsl_rxlev_sub_up, { "RXLEV.SUB.up", "rsl.rxlev_sub_up", FT_UINT8, BASE_DEC, NULL, 0x3f, "RXLEV.SUB.up", HFILL } }, { &hf_rsl_rxqual_full_up, { "RXQUAL.FULL.up", "rsl.rxqual_full_up", FT_UINT8, BASE_DEC, NULL, 0x38, "RXQUAL.FULL.up", HFILL } }, { &hf_rsl_rxqual_sub_up, { "RXQUAL.SUB.up", "rsl.rxqual_sub_up", FT_UINT8, BASE_DEC, NULL, 0x07, "RXQUAL.SUB.up", HFILL } }, { &hf_rsl_acc_delay, { "Access Delay", "rsl.acc_del", FT_UINT8, BASE_DEC, NULL, 0x0, "Access Delay", HFILL } }, { &hf_rsl_rach_slot_cnt, { "RACH Slot Count", "rsl.rach_slot_cnt", FT_UINT16, BASE_DEC, NULL, 0x0, "RACH Slot Count", HFILL } }, { &hf_rsl_rach_busy_cnt, { "RACH Busy Count", "rsl.rach_busy_cnt", FT_UINT16, BASE_DEC, NULL, 0x0, "RACH Busy Count", HFILL } }, { &hf_rsl_rach_acc_cnt, { "RACH Access Count", "rsl.rach_acc_cnt", FT_UINT16, BASE_DEC, NULL, 0x0, "RACH Access Count", HFILL } }, { &hf_rsl_phy_ctx, { "Physical Context", "rsl.phy_ctx", FT_BYTES, BASE_NONE, NULL, 0x0, "Physical Context", HFILL } }, { &hf_rsl_na, { "Not applicable (NA)", "rsl.na", FT_BOOLEAN, 8, TFS(&rsl_na_vals), 0x20, "Not applicable (NA)", HFILL } }, { &hf_rsl_ch_type, { "channel type", "rsl.ch_type", FT_UINT8, BASE_DEC, VALS(rsl_ch_type_vals), 0xc0, "channel type", HFILL } }, { &hf_rsl_prio, { "Priority", "rsl.prio", FT_UINT8, BASE_DEC, VALS(rsl_prio_vals), 0x18, "Priority", HFILL } }, { &hf_rsl_sapi, { "SAPI", "rsl.sapi", FT_UINT8, BASE_DEC, NULL, 0x07, "SAPI", HFILL } }, { &hf_rsl_rbit, { "R", "rsl.rbit", FT_BOOLEAN, 8, TFS(&rsl_rbit_vals), 0x80, "R", HFILL } }, { &hf_rsl_a3a2, { "A3A2", "rsl.a3a2", FT_UINT8, BASE_DEC, VALS(rsl_a3a2_vals), 0x06, "A3A2", HFILL } }, { &hf_rsl_a1_0, { "A1", "rsl.a1_0", FT_BOOLEAN, 8, TFS(&rsl_a1_0_vals), 0x01, "A1", HFILL } }, { &hf_rsl_a1_1, { "A1", "rsl.a1_1", FT_BOOLEAN, 8, TFS(&rsl_a1_1_vals), 0x01, "A1", HFILL } }, { &hf_rsl_a1_2, { "A1", "rsl.a2_0", FT_BOOLEAN, 8, TFS(&rsl_a1_2_vals), 0x01, "A1", HFILL } }, { &hf_rsl_epc_mode, { "EPC mode", "rsl.epc_mode", FT_BOOLEAN, 8, TFS(&rsl_epc_mode_vals), 0x20, "EPC mode", HFILL } }, { &hf_rsl_bs_fpc_epc_mode, { "FPC-EPC mode", "rsl.fpc_epc_mode", FT_BOOLEAN, 8, TFS(&rsl_fpc_epc_mode_vals), 0x10, "FPC-EPC mode", HFILL } }, { &hf_rsl_bs_power, { "Power Level", "rsl.bs_power", FT_UINT8, BASE_DEC, VALS(rsl_rlm_bs_power_vals), 0x0f, "Power Level", HFILL } }, { &hf_rsl_cm_dtxd, { "DTXd", "rsl.cm_dtxd", FT_BOOLEAN, 8, TFS(&rsl_dtx_vals), 0x02, "DTXd", HFILL } }, { &hf_rsl_cm_dtxu, { "DTXu", "rsl.cm_dtxu", FT_BOOLEAN, 8, TFS(&rsl_dtx_vals), 0x01, "DTXu", HFILL } }, { &hf_rsl_speech_or_data, { "Speech or data indicator", "rsl.speech_or_data", FT_UINT8, BASE_DEC, VALS(rsl_speech_or_data_vals), 0x0, "Speech or data indicator", HFILL } }, { &hf_rsl_ch_rate_and_type, { "Channel rate and type", "rsl.speech_or_data", FT_UINT8, BASE_DEC, VALS(rsl_ch_rate_and_type_vals), 0x0, "Channel rate and type", HFILL } }, { &hf_rsl_speech_coding_alg, { "Speech coding algorithm", "rsl.speech_coding_alg", FT_UINT8, BASE_DEC, VALS(rsl_speech_coding_alg_vals), 0x0, "Speech coding algorithm", HFILL } }, { &hf_rsl_t_nt_bit, { "Transparent indication", "rsl.t_nt_bit", FT_BOOLEAN, 8, TFS(&t_nt_bit_vals), 0x40, "Transparent indication", HFILL } }, { &hf_rsl_ra_if_data_rte, { "Radio interface data rate", "rsl.ra_if_data_rte", FT_UINT8, BASE_DEC, VALS(rsl_ra_if_data_rte_vals), 0x3f, "Radio interface data rate", HFILL } }, { &hf_rsl_data_rte, { "Data rate", "rsl.data_rte", FT_UINT8, BASE_DEC, VALS(rsl_ra_if_data_rte_vals), 0x3f, "Data rate", HFILL } }, { &hf_rsl_alg_id, { "Algorithm Identifier", "rsl.alg_id", FT_UINT8, BASE_DEC, VALS(rsl_algorithm_id_vals), 0x0, "Algorithm Identifier", HFILL } }, { &hf_rsl_key, { "KEY", "rsl.key", FT_BYTES, BASE_NONE, NULL, 0x0, "KEY", HFILL } }, { &hf_rsl_cause, { "Cause", "rsl.cause", FT_UINT8, BASE_DEC, VALS(rsl_rlm_cause_vals), 0x7f, "Cause", HFILL } }, { &hf_rsl_rel_mode, { "Release Mode", "rsl.rel_mode", FT_UINT8, BASE_DEC, VALS(rel_mode_vals), 0x01, "Release Mode", HFILL } }, { &hf_rsl_interf_band, { "Interf Band", "rsl.interf_band", FT_UINT8, BASE_DEC, NULL, 0xe0, "Interf Band", HFILL } }, { &hf_rsl_meas_res_no, { "Measurement result number", "rsl.meas_res_no", FT_UINT8, BASE_DEC, NULL, 0x0, "Measurement result number", HFILL } }, { &hf_rsl_extension_bit, { "Extension", "rsl.extension_bit", FT_BOOLEAN, 8, TFS(&rsl_extension_bit_value), 0x80, "Extension", HFILL }}, { &hf_rsl_class, { "Class", "rsl.class", FT_UINT8, BASE_DEC, VALS(rsl_class_vals), 0x70, "Class", HFILL } }, { &hf_rsl_paging_grp, { "Paging Group", "rsl.paging_grp", FT_UINT8, BASE_DEC, NULL, 0x0, "Paging Group", HFILL } }, { &hf_rsl_paging_load, { "Paging Buffer Space", "rsl.paging_load", FT_UINT16, BASE_DEC, NULL, 0x0, "Paging Buffer Space", HFILL } }, { &hf_rsl_sys_info_type, { "System Info Type", "rsl.sys_info_type", FT_UINT8, BASE_DEC, VALS(rsl_sys_info_type_vals), 0x0, "System Info Type", HFILL } }, { &hf_rsl_timing_offset, { "Timing Offset", "rsl.timing_offset", FT_UINT8, BASE_DEC, NULL, 0x0, "Timing Offset", HFILL } }, { &hf_rsl_ch_needed, { "Channel Needed", "rsl.ch_needed", FT_UINT8, BASE_DEC, VALS(rsl_ch_needed_vals), 0x03, "Channel Needed", HFILL } }, { &hf_rsl_cbch_load_type, { "CBCH Load Type", "rsl.cbch_load_type", FT_BOOLEAN, 8, TFS(&rsl_cbch_load_type_vals), 0x80, "CBCH Load Type", HFILL } }, { &hf_rsl_msg_slt_cnt, { "Message Slot Count", "rsl.sg_slt_cnt", FT_UINT8, BASE_DEC, NULL, 0x0f, "Message Slot Count", HFILL } }, { &hf_rsl_ch_ind, { "Channel Ind", "rsl.ch_ind", FT_UINT8, BASE_DEC, VALS(rsl_ch_ind_vals), 0x0f, "Channel Ind", HFILL } }, { &hf_rsl_command, { "Command", "rsl.cmd", FT_UINT16, BASE_DEC, NULL, 0x0, "Command", HFILL } }, { &hf_rsl_emlpp_prio, { "eMLPP Priority", "rsl.emlpp_prio", FT_UINT8, BASE_DEC, VALS(rsl_emlpp_prio_vals), 0x03, "eMLPP Priority", HFILL } }, }; static gint *ett[] = { &ett_rsl, &ett_ie_link_id, &ett_ie_act_type, &ett_ie_bs_power, &ett_ie_ch_id, &ett_ie_ch_mode, &ett_ie_enc_inf, &ett_ie_ch_no, &ett_ie_frame_no, &ett_ie_ho_ref, &ett_ie_l1_inf, &ett_ie_L3_inf, &ett_ie_ms_id, &ett_ie_ms_pow, &ett_ie_phy_ctx, &ett_ie_paging_grp, &ett_ie_paging_load, &ett_ie_access_delay, &ett_ie_rach_load, &ett_ie_req_ref, &ett_ie_rel_mode, &ett_ie_resource_inf, &ett_ie_rlm_cause, &ett_ie_staring_time, &ett_ie_timing_adv, &ett_ie_uplink_meas, &ett_ie_full_imm_ass_inf, &ett_ie_smscb_inf, &ett_ie_ms_timing_offset, &ett_ie_err_msg, &ett_ie_full_bcch_inf, &ett_ie_ch_needed, &ett_ie_cb_cmd_type, &ett_ie_smscb_mess, &ett_ie_cbch_load_inf, &ett_ie_smscb_ch_ind, &ett_ie_grp_call_ref, &ett_ie_ch_desc, &ett_ie_nch_drx, &ett_ie_cmd_ind, &ett_ie_emlpp_prio, &ett_ie_uic, &ett_ie_uic, &ett_ie_main_ch_ref, &ett_ie_multirate_conf, &ett_ie_multirate_cntrl, &ett_ie_sup_codec_types, &ett_ie_codec_conf, &ett_ie_rtd, &ett_ie_tfo_status, &ett_ie_llp_apdu, &ett_ie_tfo_transp_cont, &ett_ie_cause, &ett_ie_meas_res_no, &ett_ie_message_id, &ett_ie_sys_info_type, }; /* Register the protocol name and description */ proto_rsl = proto_register_protocol("Radio Signalling Link (RSL)", "RSL", "rsl"); proto_register_field_array(proto_rsl, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); }