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wireshark/epan/dissectors/packet-gmr1_rr.c
Michael Mann 1e60d63c8c Create call_data_dissector() to call data dissector. 
This saves many dissectors the need to find the data dissector and store a handle to it.

There were also some that were finding it, but not using it.
For others this was the only reason for their handoff function, so it could be eliminated.

Change-Id: I5d3f951ee1daa3d30c060d21bd12bbc881a8027b
Reviewed-on: https://code.wireshark.org/review/14530
Petri-Dish: Michael Mann <mmann78@netscape.net>
Reviewed-by: Michael Mann <mmann78@netscape.net>
2016-03-20 17:38:03 +00:00

2471 lines
72 KiB
C
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/* packet-gmr1_rr.c
*
* Routines for GMR-1 Radio Resource dissection in wireshark.
* Copyright (c) 2011 Sylvain Munaut <tnt@246tNt.com>
*
* References:
* [1] ETSI TS 101 376-4-8 V1.3.1 - GMR-1 04.008
* [2] ETSI TS 101 376-4-8 V2.2.1 - GMPRS-1 04.008
* [3] ETSI TS 101 376-4-8 V3.1.1 - GMR-1 3G 44.008
* [4] ETSI TS 100 940 V7.21.0 - GSM 04.08
* [5] ETSI TS 101 376-4-12 V3.2.1 - GMR-1 3G 44.060
* [6] ETSI TS 101 376-5-6 V1.3.1 - GMR-1 05.008
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include "packet-gmr1_common.h"
#include "packet-gmr1_rr.h"
void proto_register_gmr1_rr(void);
void proto_reg_handoff_gmr1_rr(void);
/* GMR-1 RR and CCCH proto */
static int proto_gmr1_rr = -1;
static int proto_gmr1_ccch = -1;
/* Fallback CCCH sub tree */
static gint ett_msg_ccch = -1;
static gint ett_rr_pd = -1;
/* ------------------------------------------------------------------------ */
/* RR Information Elements */
/* ------------------------------------------------------------------------ */
enum gmr1_ie_rr_idx {
GMR1_IE_RR_CHAN_DESC = 0, /* [1] 11.5.2.5 */
GMR1_IE_RR_CHAN_MODE, /* [1] 11.5.2.6 */
GMR1_IE_RR_CIPH_MODE_SETTING, /* [4] 10.5.2.9 */
GMR1_IE_RR_CIPH_RESP, /* [4] 10.5.2.10 */
GMR1_IE_RR_L2_PSEUDO_LEN, /* [1] 11.5.2.19 */
GMR1_IE_RR_PAGE_MODE, /* [1] 11.5.2.26 */
GMR1_IE_RR_REQ_REF, /* [1] 11.5.2.30 */
GMR1_IE_RR_CAUSE, /* [1] 11.5.2.31 */
GMR1_IE_RR_TIMING_OFS, /* [1] 11.5.2.40 */
GMR1_IE_RR_TMSI_PTMSI, /* [4] 10.5.2.42 */
GMR1_IE_RR_WAIT_IND, /* [4] 10.5.2.43 */
GMR1_IE_RR_MES_INFO_FLG, /* [1] 11.5.2.44 */
GMR1_IE_RR_FREQ_OFS, /* [1] 11.5.2.49 */
GMR1_IE_RR_PAGE_INFO, /* [1] 11.5.2.51 */
GMR1_IE_RR_POS_DISPLAY, /* [1] 11.5.2.52 */
GMR1_IE_RR_POS_UPD_INFO, /* [1] 11.5.2.54 */
GMR1_IE_RR_BCCH_CARRIER, /* [1] 11.5.2.55 */
GMR1_IE_RR_REJECT_CAUSE, /* [1] 11.5.2.56 */
GMR1_IE_RR_GPS_TIMESTAMP, /* [1] 11.5.2.57 */
GMR1_IE_RR_PWR_CTRL_PRM, /* [1] 11.5.2.60 */
GMR1_IE_RR_TMSI_AVAIL_MSK, /* [1] 11.5.2.62 */
GMR1_IE_RR_GPS_ALMANAC, /* [1] 11.5.2.63 */
GMR1_IE_RR_MSC_ID, /* [1] 11.5.2.100 */
GMR1_IE_RR_GPS_DISCR, /* [1] 11.5.2.101 */
GMR1_IE_RR_PKT_IMM_ASS_3_PRM, /* [3] 11.5.2.105 */
GMR1_IE_RR_PKT_FREQ_PRM, /* [3] 11.5.2.106 */
GMR1_IE_RR_PKT_IMM_ASS_2_PRM, /* [3] 11.5.2.107 */
GMR1_IE_RR_USF, /* [3] 11.5.2.110 */
GMR1_IE_RR_TIMING_ADV_IDX, /* [3] 10.1.18.3.4 */
GMR1_IE_RR_TLLI, /* [5] 12.16 */
GMR1_IE_RR_PKT_PWR_CTRL_PRM, /* [3] 10.1.18.3.3 */
GMR1_IE_RR_PERSISTENCE_LVL, /* [3] 10.1.18.4.2 */
NUM_GMR1_IE_RR /* Terminator */
};
static const value_string gmr1_ie_rr_strings[] = {
{ GMR1_IE_RR_CHAN_DESC,
"Channel Description" }, /* [1] 11.5.2.5 */
{ GMR1_IE_RR_CHAN_MODE,
"Channel Mode" }, /* [1] 11.5.2.6 */
{ GMR1_IE_RR_CIPH_MODE_SETTING,
"Cipher Mode Setting" }, /* [4] 10.5.2.9 */
{ GMR1_IE_RR_CIPH_RESP,
"Cipher Response" }, /* [4] 10.5.2.10 */
{ GMR1_IE_RR_L2_PSEUDO_LEN,
"L2 Pseudo Length" }, /* [1] 11.5.2.19 */
{ GMR1_IE_RR_PAGE_MODE,
"Page Mode" }, /* [1] 11.5.2.26 */
{ GMR1_IE_RR_REQ_REF,
"Request Reference" }, /* [1] 11.5.2.30 */
{ GMR1_IE_RR_CAUSE,
"RR Cause" }, /* [1] 11.5.2.31 */
{ GMR1_IE_RR_TIMING_OFS,
"Timing Offset" }, /* [1] 11.5.2.40 */
{ GMR1_IE_RR_TMSI_PTMSI,
"TMSI/P-TMSI" }, /* [4] 10.5.2.42 */
{ GMR1_IE_RR_WAIT_IND,
"Wait Indication" }, /* [4] 10.5.2.43 */
{ GMR1_IE_RR_MES_INFO_FLG,
"MES Information Flag" }, /* [1] 11.5.2.44 */
{ GMR1_IE_RR_FREQ_OFS,
"Frequency Offset" }, /* [1] 11.5.2.49 */
{ GMR1_IE_RR_PAGE_INFO,
"Paging Information" }, /* [1] 11.5.2.51 */
{ GMR1_IE_RR_POS_DISPLAY,
"Position Display" }, /* [1] 11.5.2.52 */
{ GMR1_IE_RR_POS_UPD_INFO,
"Position Update Information" }, /* [1] 11.5.2.54 */
{ GMR1_IE_RR_BCCH_CARRIER,
"BCCH Carrier Specification"}, /* [1] 11.5.2.55 */
{ GMR1_IE_RR_REJECT_CAUSE,
"Reject Cause" }, /* [1] 11.5.2.56 */
{ GMR1_IE_RR_GPS_TIMESTAMP,
"GPS timestamp" }, /* [1] 11.5.2.57 */
{ GMR1_IE_RR_PWR_CTRL_PRM,
"Power Control Params" }, /* [1] 11.5.2.60 */
{ GMR1_IE_RR_TMSI_AVAIL_MSK,
"TMSI Availability Mask" }, /* [1] 11.5.2.62 */
{ GMR1_IE_RR_GPS_ALMANAC,
"GPS Almanac Data" }, /* [1] 11.5.2.63 */
{ GMR1_IE_RR_MSC_ID,
"MSC ID" }, /* [1] 11.5.2.100 */
{ GMR1_IE_RR_GPS_DISCR,
"GPS Discriminator" }, /* [1] 11.5.2.101 */
{ GMR1_IE_RR_PKT_IMM_ASS_3_PRM,
"Packet Imm. Ass. Type 3 Params" }, /* [3] 11.5.2.105 */
{ GMR1_IE_RR_PKT_FREQ_PRM,
"Packet Frequency Parameters" }, /* [3] 11.5.2.106 */
{ GMR1_IE_RR_PKT_IMM_ASS_2_PRM,
"Packet Imm. Ass. Type 2 Params" }, /* [3] 11.5.2.107 */
{ GMR1_IE_RR_USF,
"USF" }, /* [3] 11.5.2.110 */
{ GMR1_IE_RR_TIMING_ADV_IDX,
"Timing Advance Index" }, /* [3] 10.1.18.3.4 */
{ GMR1_IE_RR_TLLI,
"TLLI" }, /* [5] 12.16 */
{ GMR1_IE_RR_PKT_PWR_CTRL_PRM,
"Packet Power Control Params" }, /* [3] 10.1.18.3.3 */
{ GMR1_IE_RR_PERSISTENCE_LVL,
"Persistence Level" }, /* [3] 10.1.18.4.2 */
{ 0, NULL },
};
value_string_ext gmr1_ie_rr_strings_ext = VALUE_STRING_EXT_INIT(gmr1_ie_rr_strings);
gint ett_gmr1_ie_rr[NUM_GMR1_IE_RR];
/* Fields */
static int hf_rr_msg_type = -1;
static int hf_rr_chan_desc_kab_loc = -1;
static int hf_rr_chan_desc_rx_tn = -1;
static int hf_rr_chan_desc_arfcn = -1;
static int hf_rr_chan_desc_tx_tn = -1;
static int hf_rr_chan_desc_chan_type = -1;
static int hf_rr_chan_mode = -1;
static int hf_rr_ciph_mode_setting_sc = -1;
static int hf_rr_ciph_mode_setting_algo = -1;
static int hf_rr_ciph_resp_cr = -1;
static int hf_rr_ciph_resp_spare = -1;
static int hf_rr_l2_pseudo_len = -1;
static int hf_rr_page_mode = -1;
static int hf_rr_page_mode_spare = -1;
static int hf_rr_req_ref_est_cause = -1;
static int hf_rr_req_ref_ra = -1;
static int hf_rr_req_ref_fn = -1;
static int hf_rr_cause = -1;
static int hf_rr_timing_ofs_ti = -1;
static int hf_rr_timing_ofs_value = -1;
static int hf_rr_tmsi_ptmsi = -1;
static int hf_rr_wait_ind_timeout = -1;
static int hf_rr_mif_mes1_ab = -1;
static int hf_rr_mif_mes1_i = -1;
static int hf_rr_mif_mes1_d = -1;
static int hf_rr_mif_mes2 = -1;
static int hf_rr_mif_mes3 = -1;
static int hf_rr_mif_mes4 = -1;
static int hf_rr_mif_pv = -1;
static int hf_rr_freq_ofs_fi = -1;
static int hf_rr_freq_ofs_value = -1;
static int hf_rr_freq_ofs_spare = -1;
static int hf_rr_page_info_msc_id = -1;
static int hf_rr_page_info_chan_needed = -1;
static int hf_rr_pos_display_flag = -1;
static int hf_rr_pos_display_text = -1;
static int hf_rr_pos_upd_info_v = -1;
static int hf_rr_pos_upd_info_dist = -1;
static int hf_rr_pos_upd_info_time = -1;
static int hf_rr_bcch_carrier_arfcn = -1;
static int hf_rr_bcch_carrier_si = -1;
static int hf_rr_bcch_carrier_ri = -1;
static int hf_rr_bcch_carrier_spare = -1;
static int hf_rr_reject_cause = -1;
static int hf_rr_reject_cause_b = -1;
static int hf_rr_gps_timestamp = -1;
static int hf_rr_gps_power_control_params = -1;
static int hf_rr_tmsi_avail_msk_tmsi[4] = { -1, -1, -1, -1 };
static int hf_rr_gps_almanac_pn = -1;
static int hf_rr_gps_almanac_wn = -1;
static int hf_rr_gps_almanac_word = -1;
static int hf_rr_gps_almanac_sfn = -1;
static int hf_rr_gps_almanac_co = -1;
static int hf_rr_gps_almanac_spare = -1;
static int hf_rr_msc_id = -1;
static int hf_rr_msc_id_spare = -1;
static int hf_rr_gps_discr = -1;
static int hf_rr_pkt_imm_ass_3_prm_rlc_mode = -1;
static int hf_rr_pkt_imm_ass_3_prm_spare = -1;
static int hf_rr_pkt_imm_ass_3_prm_dl_tfi = -1;
static int hf_rr_pkt_imm_ass_3_prm_start_fn = -1;
static int hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc = -1;
static int hf_rr_pkt_freq_prm_arfcn = -1;
static int hf_rr_pkt_freq_prm_dl_freq_plan_id = -1;
static int hf_rr_pkt_freq_prm_dl_bw = -1;
static int hf_rr_pkt_freq_prm_ul_freq_dist = -1;
static int hf_rr_pkt_freq_prm_ul_bw = -1;
static int hf_rr_pkt_freq_prm_spare = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_spare1 = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_final_alloc = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_mac_mode = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_start_fn = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_mcs = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_tfi = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_spare2 = -1;
static int hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512 = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_spare1 = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_spare2 = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_tfi = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_usf_granularity = -1;
static int hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc = -1;
static int hf_rr_usf_value = -1;
static int hf_rr_usf_spare = -1;
static int hf_rr_timing_adv_idx_value = -1;
static int hf_rr_timing_adv_idx_spare = -1;
static int hf_rr_tlli = -1;
static int hf_rr_pkt_pwr_ctrl_prm_par = -1;
static int hf_rr_pkt_pwr_ctrl_prm_spare = -1;
static int hf_rr_persistence_lvl[4] = { -1, -1, -1, -1 };
static int hf_rr_protocol_discriminator = -1;
static int hf_rr_message_elements = -1;
/* Generic display vals/func */
static const value_string rr_gen_ie_presence_vals[] = {
{ 0, "IE is absent" },
{ 1, "IE is present" },
{ 0, NULL }
};
static void
rr_gen_ie_seconds_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%u seconds", v);
}
/* [1] 11.5.2.5 - Channel Description */
static const value_string rr_chan_desc_chan_type_vals[] = {
{ 1, "TCH3 No offset" },
{ 3, "TCH3 1/2 symbol offset" },
{ 6, "TCH6 No offset" },
{ 7, "TCH6 1/2 symbol offset" },
{ 4, "TCH9 No offset" },
{ 5, "TCH9 1/2 symbol offset" },
{ 13, "Reserved for SDCCH frames xx00" },
{ 14, "Reserved for SDCCH frames xx01" },
{ 15, "Reserved for SDCCH frames xx10" },
{ 16, "Reserved for SDCCH frames xx11" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_chan_desc)
{
gint bit_offset;
bit_offset = offset << 3;
/* KAB Location (6 bits)*/
proto_tree_add_bits_item(tree, hf_rr_chan_desc_kab_loc, tvb,
bit_offset, 6, ENC_BIG_ENDIAN);
bit_offset += 6;
/* RX Timeslot (5 bits) */
proto_tree_add_bits_item(tree, hf_rr_chan_desc_rx_tn, tvb,
bit_offset, 5, ENC_BIG_ENDIAN);
bit_offset += 5;
/* ARFCN (11 bits) */
proto_tree_add_bits_item(tree, hf_rr_chan_desc_arfcn, tvb,
bit_offset, 11, ENC_BIG_ENDIAN);
bit_offset += 11;
/* TX Timeslot (5 bits) */
proto_tree_add_bits_item(tree, hf_rr_chan_desc_tx_tn, tvb,
bit_offset, 5, ENC_BIG_ENDIAN);
bit_offset += 5;
/* Channel Type (5 bits) */
proto_tree_add_bits_item(tree, hf_rr_chan_desc_chan_type, tvb,
bit_offset, 5, ENC_BIG_ENDIAN);
/*bit_offset += 5;*/
return 4;
}
/* [1] 11.5.2.6 - Channel Mode */
static const value_string rr_chan_mode_vals[] = {
{ 0x00, "Signalling only" },
{ 0x01, "Speech" },
{ 0x03, "Data, 12,0 kbit/s radio I/F rate" },
{ 0x0b, "Data, 6,0 kbit/s radio I/F rate" },
{ 0x13, "Data, 3,6 kbit/s radio I/F rate" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_chan_mode)
{
/* Channel Mode */
proto_tree_add_item(tree, hf_rr_chan_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [4] 10.5.2.9 - Cipher Mode Setting */
static const value_string rr_ciph_mode_setting_sc_vals[] = {
{ 0, "No ciphering"},
{ 1, "Start ciphering"},
{ 0, NULL }
};
static const value_string rr_ciph_mode_setting_algo_vals[] = {
{ 0, "A5/1" },
{ 1, "A5/2" },
{ 2, "A5/3" },
{ 3, "A5/4" },
{ 4, "A5/5" },
{ 5, "A5/6" },
{ 6, "A5/7" },
{ 7, "Reverved" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_ciph_mode_setting)
{
/* SC */
proto_tree_add_item(tree, hf_rr_ciph_mode_setting_sc, tvb, offset, 1, ENC_BIG_ENDIAN);
/* Algo */
proto_tree_add_item(tree, hf_rr_ciph_mode_setting_algo, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [4] 10.5.2.10 - Cipher Response */
static const value_string rr_ciph_resp_cr_vals[] = {
{ 0, "IMEISV shall not be included"},
{ 1, "IMEISV shall be included"},
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_ciph_resp)
{
/* CR */
proto_tree_add_item(tree, hf_rr_ciph_resp_cr, tvb, offset, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(tree, hf_rr_ciph_resp_spare, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.19 - L2 Pseudo Length */
GMR1_IE_FUNC(gmr1_ie_rr_l2_pseudo_len)
{
/* L2 Pseudo Length value */
proto_tree_add_item(tree, hf_rr_l2_pseudo_len, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.26 - Page Mode */
static const value_string rr_page_mode_vals[] = {
{ 0, "Normal Paging" },
{ 1, "Reserved (Changed from Extended Paging in GSM)" },
{ 2, "Paging Reorganization" },
{ 3, "Same as before" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_page_mode)
{
/* Page mode */
proto_tree_add_item(tree, hf_rr_page_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(tree, hf_rr_page_mode_spare, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.30 - Request Reference */
static const value_string rr_req_ref_est_cause_vals[] = {
{ 0, "MO call" },
{ 1, "In response to paging/alerting" },
{ 2, "Location update/IMSI detach" },
{ 3, "Emergency call" },
{ 4, "Supplementary/short message service" },
{ 5, "Position verification" },
{ 6, "Any other valid cause" },
{ 7, "Reserved" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_req_ref)
{
/* Establishement Cause + RA */
proto_tree_add_item(tree, hf_rr_req_ref_est_cause, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_req_ref_ra, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
/* Frame number % 256 */
proto_tree_add_item(tree, hf_rr_req_ref_fn, tvb, offset, 1, ENC_BIG_ENDIAN);
return 2;
}
/* [1] 11.5.2.31 - RR Cause */
static const value_string rr_cause_vals[] = {
{ 0x00, "Normal event" },
{ 0x01, "Abnormal release, unspecified" },
{ 0x02, "Abnormal release, channel unacceptable" },
{ 0x03, "Abnormal release, timer expired" },
{ 0x04, "Abnormal release, no activity on the radio path" },
{ 0x05, "Preemptive release" },
{ 0x09, "Channel mode unacceptable" },
{ 0x0a, "Frequency not implemented" },
{ 0x0b, "Position unacceptable" },
{ 0x41, "Call already cleared" },
{ 0x5f, "Semantically incorrect message" },
{ 0x60, "Invalid mandatory information" },
{ 0x61, "Message type nonexistent or not implemented" },
{ 0x62, "Message type not compatible with protocol state" },
{ 0x6f, "Protocol error unspecified" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_cause)
{
/* RR Cause */
proto_tree_add_item(tree, hf_rr_cause, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.40 - Timing Offset */
static const value_string rr_timing_ofs_ti_vals[] = {
{ 0, "The timing offset parameter in this IE to be ignored" },
{ 1, "The timing offset parameter has a valid value" },
{ 0, NULL }
};
static void
rr_timing_ofs_value_fmt(gchar *s, guint32 v)
{
gint32 sv = (signed)v;
g_snprintf(s, ITEM_LABEL_LENGTH, "%.3f symbols ( ~ %.3f ms )",
sv / 40.0f, (sv / 40.0f) * (10.0f / 234.0f));
}
GMR1_IE_FUNC(gmr1_ie_rr_timing_ofs)
{
gint bit_offset;
bit_offset = offset << 3;
/* TI */
proto_tree_add_bits_item(tree, hf_rr_timing_ofs_ti, tvb,
bit_offset, 1, ENC_BIG_ENDIAN);
bit_offset++;
/* Value */
proto_tree_add_bits_item(tree, hf_rr_timing_ofs_value, tvb,
bit_offset, 15, ENC_BIG_ENDIAN);
/*bit_offset += 15;*/
return 2;
}
/* [4] 10.5.2.42 - TMSI/P-TMSI */
GMR1_IE_FUNC(gmr1_ie_rr_tmsi_ptmsi)
{
/* TMSI/P-TMSI value as hex */
proto_tree_add_item(tree, hf_rr_tmsi_ptmsi, tvb, offset, 4, ENC_BIG_ENDIAN);
return 4;
}
/* [4] 10.5.2.43 - Wait Indication */
GMR1_IE_FUNC(gmr1_ie_rr_wait_ind)
{
/* Timeout value */
proto_tree_add_item(tree, hf_rr_wait_ind_timeout, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.44 - MES Information Flag */
static const value_string rr_mif_mes1_ab_vals[] = {
{ 0, "Chan. Assigned: MES1 registered at selected GS" },
{ 1, "Chan. Assigned: MES1 requires registration at selected GS" },
{ 2, "Chan. Assigned; MES 1 Extended Channel Req. Reqd" },
{ 3, "Pause Timer Indication" },
{ 0, NULL }
};
static const value_string rr_mif_mes234_vals[] = {
{ 0, "MES doesn't exists" },
{ 1, "Pause Timer Ind for this MES" },
{ 0, NULL }
};
static const value_string rr_mif_pv_vals[] = {
{ 0, "Position Verification not requested" },
{ 1, "MES1 shall send a Channel Request for Position Verification following the completion of the upcoming call" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_mes_info_flg)
{
proto_tree_add_item(tree, hf_rr_mif_mes1_ab,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_mif_mes1_i,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_mif_mes1_d,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_mif_mes2,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_mif_mes3,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_mif_mes4,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_mif_pv,
tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.49 - Frequency Offset */
static const value_string rr_freq_ofs_fi_vals[] = {
{ 0, "The frequency offset parameter in this IE to be ignored" },
{ 1, "The frequency offset parameter has a valid value" },
{ 0, NULL }
};
static void
rr_freq_ofs_value_fmt(gchar *s, guint32 v)
{
gint32 sv = (signed)v;
g_snprintf(s, ITEM_LABEL_LENGTH, "%d Hz", sv);
}
GMR1_IE_FUNC(gmr1_ie_rr_freq_ofs)
{
gint bit_offset;
bit_offset = offset << 3;
/* FI */
proto_tree_add_bits_item(tree, hf_rr_freq_ofs_fi, tvb,
bit_offset, 1, ENC_BIG_ENDIAN);
bit_offset++;
/* Value */
proto_tree_add_bits_item(tree, hf_rr_freq_ofs_value, tvb,
bit_offset, 12, ENC_BIG_ENDIAN);
bit_offset += 12;
/* Spare */
proto_tree_add_bits_item(tree, hf_rr_freq_ofs_spare, tvb,
bit_offset, 3, ENC_BIG_ENDIAN);
/*bit_offset += 3;*/
return 2;
}
/* [1] 11.5.2.51 - Paging Information */
static const value_string rr_page_info_chan_needed_vals[] = {
{ 0, "Any" },
{ 1, "SDCCH" },
{ 2, "TCH3" },
{ 3, "PDCCH" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_page_info)
{
/* MSC ID & Channe needed */
proto_tree_add_item(tree, hf_rr_page_info_msc_id,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_page_info_chan_needed,
tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.52 - Position Display */
static const value_string rr_pos_display_flag_vals[] = {
{ 0, "Position not available" },
{ 1, "No position display service" },
{ 2, "Use default 7-bit alphabet (GSM 03.38)" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_pos_display)
{
const unsigned char *txt_raw;
gchar *txt_packed, *txt_unpacked;
tvbuff_t *txt_packed_tvb;
int i;
/* Flag */
proto_tree_add_item(tree, hf_rr_pos_display_flag,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Get text in an aligned tvbuff */
txt_raw = tvb_get_ptr(tvb, offset, 11);
txt_packed = (gchar*)wmem_alloc(wmem_packet_scope(), 11);
for (i=0; i<10; i++)
txt_packed[i] = (txt_raw[i] << 4) | (txt_raw[i+1] >> 4);
txt_packed[10] = txt_raw[10];
txt_packed_tvb = tvb_new_real_data(txt_packed, 11, 11);
/* Unpack text */
txt_unpacked = tvb_get_ts_23_038_7bits_string(wmem_packet_scope(), txt_packed_tvb, 0, 12);
tvb_free(txt_packed_tvb);
/* Display it */
proto_tree_add_string(tree, hf_rr_pos_display_text, tvb, offset, 11,
txt_unpacked);
return 11;
}
/* [1] 11.5.2.54 - Position Update Information */
static const value_string rr_pos_upd_info_v_vals[] = {
{ 0, "Information in this IE is Invalid and should be ignored" },
{ 1, "Information in this IE is Valid" },
{ 0, NULL }
};
static void
rr_pos_upd_info_dist_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%d km", v);
}
static void
rr_pos_upd_info_time_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%d minutes", v);
}
GMR1_IE_FUNC(gmr1_ie_rr_pos_upd_info)
{
gint curr_offset = offset;
/* Valid & GPS Update Distance */
proto_tree_add_item(tree, hf_rr_pos_upd_info_v,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_pos_upd_info_dist,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
/* GPS Update Timer */
proto_tree_add_item(tree, hf_rr_pos_upd_info_time,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
return 2;
}
/* [1] 11.5.2.55 - BCCH Carrier */
static const value_string rr_bcch_carrier_si_vals[] = {
{ 0, "BCCH carrier is on the same satellite" },
{ 1, "BCCH carrier is on a different satellite" },
{ 0, NULL }
};
static const value_string rr_bcch_carrier_ri_vals[] = {
{ 0, "Spot beam reselection not needed; use the spot beam with given BCCH" },
{ 1, "Spot beam reselection needed; use the BCCH for spot beam reselection" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_bcch_carrier)
{
gint bit_offset;
bit_offset = offset << 3;
/* ARFCN */
proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_arfcn,
tvb, bit_offset, 11, ENC_BIG_ENDIAN);
bit_offset += 11;
/* Sat ind */
proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_si,
tvb, bit_offset, 1, ENC_BIG_ENDIAN);
bit_offset++;
/* Resel ind */
proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_ri,
tvb, bit_offset, 1, ENC_BIG_ENDIAN);
bit_offset++;
/* Spare */
proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_spare,
tvb, bit_offset, 3, ENC_BIG_ENDIAN);
/*bit_offset += 3;*/
return 2;
}
/* [1] 11.5.2.56 - Reject Cause */
static const value_string rr_reject_cause_vals[] = {
{ 0x00, "Lack of resources (default)" },
{ 0x11, "Invalid position for selected LAI" },
{ 0x12, "Invalid position for selected spot beam" },
{ 0x13, "Invalid position" },
{ 0x15, "Position too old" },
{ 0x16, "Invalid position for service provider" },
{ 0x17, "Redirect to new satellite" },
{ 0x3f, "Reported position acceptable" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_reject_cause)
{
/* Cause */
proto_tree_add_item(tree, hf_rr_reject_cause,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* BCCH carrier */
proto_tree_add_item(tree, hf_rr_reject_cause_b,
tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.57 - GPS timestamp */
static void
rr_gps_timestamp_fmt(gchar *s, guint32 v)
{
if (v == 0xffff)
g_snprintf(s, ITEM_LABEL_LENGTH, "> 65535 minutes or N/A");
else
g_snprintf(s, ITEM_LABEL_LENGTH, "%d minutes", v);
}
GMR1_IE_FUNC(gmr1_ie_rr_gps_timestamp)
{
/* GPS timestamp */
proto_tree_add_item(tree, hf_rr_gps_timestamp,
tvb, offset, 2, ENC_BIG_ENDIAN);
return 2;
}
/* [1] 11.5.2.60 - Power Control Params */
GMR1_IE_FUNC(gmr1_ie_rr_pwr_ctrl_prm)
{
/* It's CSN1 encoded and we have no real world sample. Until we do,
* we don't pollute the code with a bunch of untested stuff ... */
proto_tree_add_item(tree, hf_rr_gps_power_control_params, tvb, offset, 5, ENC_NA);
return 5;
}
/* [1] 11.5.2.62 - Availability Mask */
GMR1_IE_FUNC(gmr1_ie_rr_tmsi_avail_msk)
{
int i;
for (i=0; i<4; i++)
proto_tree_add_item(tree, hf_rr_tmsi_avail_msk_tmsi[i],
tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.63 - GPS Almanac Data */
static void
rr_gps_almanac_pn_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%d", v+1);
}
static const value_string rr_gps_almanac_sfn_vals[] = {
{ 0, "Frame 4" },
{ 1, "Frame 5" },
{ 0, NULL }
};
GMR1_IE_FUNC(gmr1_ie_rr_gps_almanac)
{
gint curr_offset = offset;
/* Page Number & Word Number */
proto_tree_add_item(tree, hf_rr_gps_almanac_pn,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_gps_almanac_wn,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
/* Almanac Data */
proto_tree_add_item(tree, hf_rr_gps_almanac_word,
tvb, curr_offset, 3, ENC_BIG_ENDIAN);
curr_offset += 3;
/* SubFrame Number & CO & Spare */
proto_tree_add_item(tree, hf_rr_gps_almanac_sfn,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_gps_almanac_co,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_rr_gps_almanac_spare,
tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
return 5;
}
/* [1] 11.5.2.100 - MSC ID */
GMR1_IE_FUNC(gmr1_ie_rr_msc_id)
{
/* MSC ID */
proto_tree_add_item(tree, hf_rr_msc_id,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Spare bits */
proto_tree_add_item(tree, hf_rr_msc_id_spare,
tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [1] 11.5.2.101 - GPS Discriminator */
GMR1_IE_FUNC(gmr1_ie_rr_gps_discr)
{
/* GPS Position CRC value */
proto_tree_add_item(tree, hf_rr_gps_discr, tvb, offset, 2, ENC_BIG_ENDIAN);
return 2;
}
/* [3] 11.5.2.105 - Packet Imm. Ass. Type 3 Params */
static const value_string rr_pkt_imm_ass_3_prm_rlc_mode_vals[] = {
{ 0, "RLC acknowledged mode" },
{ 1, "RLC unacknowledged mode" },
{ 0, NULL }
};
static const crumb_spec_t rr_pkt_imm_ass_3_prm_dl_tfi_crumbs[] = {
{ 0, 3 },
{ 12, 4 },
{ 0, 0 }
};
GMR1_IE_FUNC(gmr1_ie_rr_pkt_imm_ass_3_prm)
{
/* RLC Mode */
proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_rlc_mode,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_spare,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Downlink Tempory Flow Identifier (TFI) */
proto_tree_add_split_bits_item_ret_val(
tree, hf_rr_pkt_imm_ass_3_prm_dl_tfi,
tvb, offset << 3,
rr_pkt_imm_ass_3_prm_dl_tfi_crumbs,
NULL);
/* Starting Frame Number */
proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_start_fn,
tvb, offset+1, 1, ENC_BIG_ENDIAN);
/* MAC Slot allocation */
proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc,
tvb, offset+2, 1, ENC_BIG_ENDIAN);
return 3;
}
/* [3] 11.5.2.106 - Packet Frequency Parameters */
static const value_string rr_pkt_freq_prm_dl_freq_plan_id_vals[] = {
{ 0, "S-Band" }, /* Pretty much a guess ... */
{ 1, "L-Band" }, /* didn't find exact value in specs */
{ 0, NULL }
};
static const crumb_spec_t rr_pkt_freq_prm_arfcn_crumbs[] = {
{ 0, 8 },
{ 13, 3 },
{ 0, 0 }
};
static const crumb_spec_t rr_pkt_freq_prm_ul_freq_dist_crumbs[] = {
{ 0, 1 },
{ 12, 4 },
{ 0, 0 }
};
static void
rr_pkt_freq_prm_xx_bw_fmt(gchar *s, guint32 v)
{
g_snprintf(s, ITEM_LABEL_LENGTH, "%d * 31.25 kHz = %.2f kHz (%d)", v, 31.25f*v, v);
}
GMR1_IE_FUNC(gmr1_ie_rr_pkt_freq_prm)
{
/* ARFCN */
proto_tree_add_split_bits_item_ret_val(
tree, hf_rr_pkt_freq_prm_arfcn,
tvb, offset << 3,
rr_pkt_freq_prm_arfcn_crumbs,
NULL);
/* DL Freq plan ID */
proto_tree_add_item(tree, hf_rr_pkt_freq_prm_dl_freq_plan_id,
tvb, offset+1, 1, ENC_BIG_ENDIAN);
/* DL bandwidth */
proto_tree_add_item(tree, hf_rr_pkt_freq_prm_dl_bw,
tvb, offset+1, 1, ENC_BIG_ENDIAN);
/* UL Freq distance */
proto_tree_add_split_bits_item_ret_val(
tree, hf_rr_pkt_freq_prm_ul_freq_dist,
tvb, (offset+1) << 3,
rr_pkt_freq_prm_ul_freq_dist_crumbs,
NULL);
/* UL bandwidth */
proto_tree_add_item(tree, hf_rr_pkt_freq_prm_ul_bw,
tvb, offset+2, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(tree, hf_rr_pkt_freq_prm_spare,
tvb, offset+2, 1, ENC_BIG_ENDIAN);
return 3;
}
/* [3] 11.5.2.107 - Packet Imm. Ass. Type 2 Params */
static const value_string rr_pkt_imm_ass_2_prm_ac_mac_mode_vals[] = {
{ 0, "Dynamic allocation" },
{ 1, "Reverved" },
{ 2, "Reverved" },
{ 3, "Reverved" },
{ 0, NULL }
};
static const crumb_spec_t rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt_crumbs[] = {
{ 0, 4 },
{ 13, 3 },
{ 0, 0 }
};
GMR1_IE_FUNC(gmr1_ie_rr_pkt_imm_ass_2_prm)
{
proto_tree *subtree_ac, *subtree_d;
/* Terminal AC */
/* ----------- */
subtree_ac = proto_tree_add_subtree(tree, tvb, offset, 5,
ett_gmr1_ie_rr[GMR1_IE_RR_PKT_IMM_ASS_2_PRM], NULL, "GMPRS Terminal type A or C");
/* Spare */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_spare1,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Final Allocation */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_final_alloc,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* USF Granularity */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Downlink Control MAC slot */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* MAC Mode */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mac_mode,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Starting Frame Number */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_start_fn,
tvb, offset+1, 1, ENC_BIG_ENDIAN);
/* RLC Data Blocks Granted */
proto_tree_add_split_bits_item_ret_val(
tree, hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt,
tvb, (offset+1) << 3,
rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt_crumbs,
NULL);
/* MCS */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mcs,
tvb, offset+2, 1, ENC_BIG_ENDIAN);
/* TFI */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_tfi,
tvb, offset+3, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_spare2,
tvb, offset+3, 1, ENC_BIG_ENDIAN);
/* MAC Slot allocation */
proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc,
tvb, offset+4, 1, ENC_BIG_ENDIAN);
/* Terminal D */
/* ---------- */
subtree_d = proto_tree_add_subtree(tree, tvb, offset, 5,
ett_gmr1_ie_rr[GMR1_IE_RR_PKT_IMM_ASS_2_PRM], NULL, "GMPRS Terminal type D");
/* Channel MCS command */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Channel MCS command PNB(5,12) */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_spare1,
tvb, offset+1, 1, ENC_BIG_ENDIAN);
/* RLC Data Blocks Granted */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt,
tvb, offset+2, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_spare2,
tvb, offset+2, 1, ENC_BIG_ENDIAN);
/* TFI */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_tfi,
tvb, offset+3, 1, ENC_BIG_ENDIAN);
/* USF Granularity */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_usf_granularity,
tvb, offset+3, 1, ENC_BIG_ENDIAN);
/* MAC Slot allocation */
proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc,
tvb, offset+4, 1, ENC_BIG_ENDIAN);
return 5;
}
/* [3] 11.5.2.110 - USF */
GMR1_IE_FUNC(gmr1_ie_rr_usf)
{
/* Spare */
proto_tree_add_item(tree, hf_rr_usf_spare,
tvb, offset, 3, ENC_BIG_ENDIAN);
/* USF */
proto_tree_add_item(tree, hf_rr_usf_value,
tvb, offset+2, 1, ENC_BIG_ENDIAN);
return 3;
}
/* [3] 10.1.18.3.4 & [5] 12.29 - Timing Advance Index */
GMR1_IE_FUNC(gmr1_ie_rr_timing_adv_idx)
{
/* TAI */
proto_tree_add_item(tree, hf_rr_timing_adv_idx_value,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(tree, hf_rr_timing_adv_idx_spare,
tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [5] 12.16 - TLLI */
GMR1_IE_FUNC(gmr1_ie_rr_tlli)
{
/* TLLI value as hex */
proto_tree_add_item(tree, hf_rr_tlli, tvb, offset, 4, ENC_BIG_ENDIAN);
return 4;
}
/* [3] 10.1.18.3.3 & [5] 10.4.10a & [6] 5.3.3 - Packet Power Control Params */
static void
rr_pkt_pwr_ctrl_prm_par_fmt(gchar *s, guint32 v)
{
if (v >= 61) {
g_snprintf(s, ITEM_LABEL_LENGTH, "Escape %d (%d)", v-60, v);
return;
}
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f dB (%d)", v*0.4f, v);
}
GMR1_IE_FUNC(gmr1_ie_rr_pkt_pwr_ctrl_prm)
{
/* Power Attenuation Request (PAR) */
proto_tree_add_item(tree, hf_rr_pkt_pwr_ctrl_prm_par,
tvb, offset, 1, ENC_BIG_ENDIAN);
/* Spare */
proto_tree_add_item(tree, hf_rr_pkt_pwr_ctrl_prm_spare,
tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
/* [3] 10.1.18.4.2 & [5] 12.14 - Persistence Level */
GMR1_IE_FUNC(gmr1_ie_rr_persistence_lvl)
{
int i;
for (i=0; i<4; i++)
proto_tree_add_item(tree, hf_rr_persistence_lvl[i],
tvb, offset + (i>>1), 1, ENC_BIG_ENDIAN);
return 2;
}
elem_fcn gmr1_ie_rr_func[NUM_GMR1_IE_RR] = {
gmr1_ie_rr_chan_desc, /* Channel Description */
gmr1_ie_rr_chan_mode, /* Channel Mode */
gmr1_ie_rr_ciph_mode_setting, /* Cipher Mode Setting */
gmr1_ie_rr_ciph_resp, /* Cipher Response */
gmr1_ie_rr_l2_pseudo_len, /* L2 Pseudo Length */
gmr1_ie_rr_page_mode, /* Page Mode */
gmr1_ie_rr_req_ref, /* Request Reference */
gmr1_ie_rr_cause, /* RR Cause */
gmr1_ie_rr_timing_ofs, /* Timing Offset */
gmr1_ie_rr_tmsi_ptmsi, /* TMSI/P-TMSI */
gmr1_ie_rr_wait_ind, /* Wait Indication */
gmr1_ie_rr_mes_info_flg, /* MES Information Flag */
gmr1_ie_rr_freq_ofs, /* Frequency Offset */
gmr1_ie_rr_page_info, /* Paging Information */
gmr1_ie_rr_pos_display, /* Position Display */
gmr1_ie_rr_pos_upd_info, /* Position Update Information */
gmr1_ie_rr_bcch_carrier, /* BCCH Carrier */
gmr1_ie_rr_reject_cause, /* Reject Cause */
gmr1_ie_rr_gps_timestamp, /* GPS timestamp */
gmr1_ie_rr_pwr_ctrl_prm, /* Power Control Params */
gmr1_ie_rr_tmsi_avail_msk, /* TMSI Availability Mask */
gmr1_ie_rr_gps_almanac, /* GPS Almanac Data */
gmr1_ie_rr_msc_id, /* MSC ID */
gmr1_ie_rr_gps_discr, /* GPS Discriminator */
gmr1_ie_rr_pkt_imm_ass_3_prm, /* Packet Imm. Ass. Type 3 Params */
gmr1_ie_rr_pkt_freq_prm, /* Packet Frequency Parameters */
gmr1_ie_rr_pkt_imm_ass_2_prm, /* Packet Imm. Ass. Type 2 Params */
gmr1_ie_rr_usf, /* USF */
gmr1_ie_rr_timing_adv_idx, /* Timing Advance Index */
gmr1_ie_rr_tlli, /* TLLI */
gmr1_ie_rr_pkt_pwr_ctrl_prm, /* Packet Power Control Params */
gmr1_ie_rr_persistence_lvl, /* Persistence Level */
};
/* ------------------------------------------------------------------------ */
/* RR Messages */
/* ------------------------------------------------------------------------ */
/* [1] 10.1.18 - Immediate Assignment */
GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass)
{
guint8 mif;
GMR1_MSG_FUNC_BEGIN
/* MES Information Flag [1] 11.5.2.44 - M V 1 */
mif = tvb_get_guint8(tvb, curr_offset);
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_MES_INFO_FLG, NULL);
/* Request Reference 1 (MES1) [1] 11.5.2.30 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES1");
/* GPS Discriminator [1] 11.5.2.101 - C V 2 */
if ((mif & 0x03) != 0x02) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, " - MES1");
}
/* Channel Description [1] 11.5.2.5 - C V 4 */
if ((mif & 0x03) != 0x03) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, " - MES1");
}
/* Timing Offset [1] 11.5.2.40 - C V 2 */
if ((mif & 0x03) != 0x03) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, " - MES1");
}
/* Frequency Offset [1] 11.5.2.49 - C V 2 */
if ((mif & 0x03) != 0x03) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, " - MES1");
}
/* Idle Mode Pos. Upd. Info. [1] 11.5.2.54 - C V 2 */
if (mif & 0x04) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Idle Mode");
}
/* Ded. Mode Pos. Upd. Info. [1] 11.5.2.54 - C V 2 */
if (mif & 0x08) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Dedicated Mode");
}
/* Request Reference 2 (MES2) [1] 11.5.2.30 - C V 2 */
if (mif & 0x10) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES2");
}
/* Request Reference 3 (MES3) [1] 11.5.2.30 - C V 2 */
if (mif & 0x20) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES3");
}
/* Request Reference 4 (MES4) [1] 11.5.2.30 - C V 2 */
if (mif & 0x40) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES4");
}
/* IA Rest Octets [1] 11.5.2.16 - M V 0..18 */
/* FIXME */
GMR1_MSG_FUNC_END
}
/* [1] 10.1.20.1 - Immediate Assignment Reject Type 1 */
GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_rej_1)
{
guint8 rej_cause;
GMR1_MSG_FUNC_BEGIN
/* Request Reference 1 (MES1) [1] 11.5.2.30 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES1");
/* GPS Discriminator [1] 11.5.2.101 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, NULL);
/* Reject Cause [1] 11.5.2.56 - M V 1 */
rej_cause = tvb_get_guint8(tvb, curr_offset);
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REJECT_CAUSE, NULL);
/* Wait Indication 1 (MES1) [4] 10.5.2.43 - C V 1 */
if ((rej_cause & 0xfc) == 0x00) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES1");
}
/* Request Reference 2 (MES2) [1] 11.5.2.30 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES2");
/* Wait Indication 2 (MES2) [4] 10.5.2.43 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES2");
/* Request Reference 3 (MES3) [1] 11.5.2.30 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES3");
/* Wait Indication 3 (MES3) [4] 10.5.2.43 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES3");
/* Request Reference 4 (MES4) [1] 11.5.2.30 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES4");
/* Wait Indication 4 (MES4) [4] 10.5.2.43 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES4");
/* Idle Mode Position Update Info. [1] 11.5.2.54 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Idle Mode");
/* BCCH Carrier Specification [1] 11.5.2.55 - C V 2 */
if (rej_cause & 1) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_BCCH_CARRIER, NULL);
}
/* MSC ID [1] 11.5.2.100 - C V 1 */
if ((rej_cause & 0xfc) == 0x5c) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_MSC_ID, NULL);
}
/* IAR Rest Octets [1] 11.5.2.17 - M V 1..4 */
/* FIXME */
GMR1_MSG_FUNC_END
}
/* [1] 10.1.20.4 - Position Verification Notify */
GMR1_MSG_FUNC(gmr1_rr_msg_pos_verif_notify)
{
GMR1_MSG_FUNC_BEGIN
/* Request Reference [1] 11.5.2.30 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, NULL);
/* GPS Discriminator [1] 11.5.2.101 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, NULL);
/* Position Display [1] 11.5.2.52 - M V 11 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_DISPLAY, NULL);
/* 78 Idle Mode Position Update Info. [1] 11.5.2.54 - O TV 3 */
ELEM_OPT_TV(0x78, GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, NULL);
/* IAR Rest Octets [1] 11.5.2.17 - M V 3..6 */
/* FIXME */
GMR1_MSG_FUNC_END
}
/* [3] 10.1.18.3 - Immediate Assignment Type 2 */
GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_2)
{
GMR1_MSG_FUNC_BEGIN
/* USF [3] 11.5.2.110 - M V 3 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_USF, NULL);
/* Timing Advance Index [3] 10.1.18.3.4 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_ADV_IDX, NULL);
/* TLLI [5] 12.16 - M V 4 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TLLI, NULL);
/* Timing Offset [1] 11.5.2.40 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, NULL);
/* Frequency Offset [1] 11.5.2.49 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, NULL);
/* Packet Imm. Ass. Type 2 Params. [3] 11.5.2.107 - M V 5 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_IMM_ASS_2_PRM, NULL);
/* Packet Frequency Parameters [3] 11.5.2.106 - M V 3 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_FREQ_PRM, NULL);
/* Packet Power Control Parameters [3] 10.1.18.3.3 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_PWR_CTRL_PRM, NULL);
GMR1_MSG_FUNC_END
}
/* [3] 10.1.18.4 - Immediate Assignment Type 3 */
GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_3)
{
GMR1_MSG_FUNC_BEGIN
/* Page Mode [1] 11.5.2.26 - M V 1/2 */
/* Spare Half Octet [1] 11.5.1.8 - M V 1/2 */
ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_PAGE_MODE,
GMR1_IE_COMMON, GMR1_IE_COM_SPARE_NIBBLE);
/* Persistence Level [3] 10.1.18.4.2 - M V 2 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PERSISTENCE_LVL, NULL);
/* Timing Advance Index [3] 10.1.18.3.4 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_ADV_IDX, NULL);
/* TLLI [5] 12.16 - M V 4 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TLLI, NULL);
/* Packet Imm. Ass. Type 3 Params [3] 11.5.2.105 - M V 3 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_IMM_ASS_3_PRM, NULL);
/* Packet Frequency Parameters [3] 11.5.2.106 - M V 3 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_FREQ_PRM, NULL);
/* Packet Power Control Parameters [3] 10.1.18.3.3 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_PWR_CTRL_PRM, NULL);
/* P1 Rest Octets [1] 11.5.2.23 - M V 6 */
/* FIXME */
GMR1_MSG_FUNC_END
}
/* [3] 10.1.9 - Ciphering Mode Command */
GMR1_MSG_FUNC(gmr1_rr_msg_ciph_mode_cmd)
{
GMR1_MSG_FUNC_BEGIN
/* Cipher Mode Setting [4] 10.5.2.9 - M V 1/2 */
/* Cipher Response [4] 10.5.2.10 - M V 1/2 */
ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_CIPH_MODE_SETTING,
GMR1_IE_RR, GMR1_IE_RR_CIPH_RESP);
/* 75 Position Display [1] 11.5.2.52 - O TV 12 */
ELEM_OPT_TV(0x75, GMR1_IE_RR, GMR1_IE_RR_POS_DISPLAY, NULL);
GMR1_MSG_FUNC_END
}
/* [1] 10.1.10 - Ciphering Mode Complete */
GMR1_MSG_FUNC(gmr1_rr_msg_ciph_mode_complete)
{
GMR1_MSG_FUNC_BEGIN
/* 17 Mobile Identity [1] 11.5.1.4 - O TLV 3-11 */
ELEM_OPT_TLV(0x17, GSM_A_PDU_TYPE_COMMON, DE_MID, NULL);
/* 76 GPS Timestamp [1] 11.5.2.57 - O TV 3 */
ELEM_OPT_TV(0x76, GMR1_IE_RR, GMR1_IE_RR_GPS_TIMESTAMP, NULL);
GMR1_MSG_FUNC_END
}
/* [1] 10.1.2.1 - Assignment Command 1 */
GMR1_MSG_FUNC(gmr1_rr_msg_ass_cmd_1)
{
GMR1_MSG_FUNC_BEGIN
/* Channel Description [1] 11.5.2.5 - M V 4 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL);
/* 7D Timing Offset [1] 11.5.2.40 - O TV 3 */
ELEM_OPT_TV(0x7D, GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, NULL);
/* 7F Frequency Offset [1] 11.5.2.49 - O TV 3 */
ELEM_OPT_TV(0x7F, GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, NULL);
/* 63 Channel Mode [1] 11.5.2.6 - O TV 2 */
ELEM_OPT_TV(0x63, GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL);
/* 71 Power Control Parameters [1] 11.5.2.60 - O TV 6 */
ELEM_OPT_TV(0x71, GMR1_IE_RR, GMR1_IE_RR_PWR_CTRL_PRM, NULL);
/* 9- Cipher Mode Setting [4] 10.5.2.9 - O TV 1 */
ELEM_OPT_TV_SHORT(0x90, GMR1_IE_RR, GMR1_IE_RR_CIPH_MODE_SETTING, NULL);
GMR1_MSG_FUNC_END
}
/* [1] 10.1.7 - Channel Release */
GMR1_MSG_FUNC(gmr1_rr_msg_chan_release)
{
GMR1_MSG_FUNC_BEGIN
/* RR Cause [1] 11.5.2.31 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CAUSE, NULL);
GMR1_MSG_FUNC_END
}
/* [1] 10.1.24 - Paging Request Type 3 */
GMR1_MSG_FUNC(gmr1_rr_msg_pag_req_3)
{
guint8 tam;
GMR1_MSG_FUNC_BEGIN
/* Page Mode [1] 11.5.2.26 - M V 1/2 */
/* TMSI Availability Mask [1] 11.5.2.62 - M V 1/2 */
tam = (tvb_get_guint8(tvb, curr_offset) & 0xf0) >> 4;
ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_PAGE_MODE,
GMR1_IE_RR, GMR1_IE_RR_TMSI_AVAIL_MSK);
/* Mobile Identity 1 (TMSI) [4] 10.5.2.42 - C V 4 */
if (tam & 0x01) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 1");
}
/* GPS Almanac Data 1 [1] 11.5.2.63 - C V 5 */
if (!(tam & 0x01)) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 1");
}
/* Mobile Identity 2 (TMSI) [4] 10.5.2.42 - C V 4 */
if (tam & 0x02) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 2");
}
/* GPS Almanac Data 2 [1] 11.5.2.63 - C V 5 */
if (!(tam & 0x02)) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 2");
}
/* Mobile Identity 3 (TMSI) [4] 10.5.2.42 - C V 4 */
if (tam & 0x04) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 3");
}
/* GPS Almanac Data 3 [1] 11.5.2.63 - C V 5 */
if (!(tam & 0x04)) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 3");
}
/* Mobile Identity 4 (TMSI) [4] 10.5.2.42 - C V 4 */
if (tam & 0x08) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 4");
}
/* GPS Almanac Data 4 [1] 11.5.2.63 - C V 5 */
if (!(tam & 0x08)) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 4");
}
/* Paging Information 1 [1] 11.5.2.51 - C V 1 */
if (tam & 0x01) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 1");
}
/* Paging Information 2 [1] 11.5.2.51 - C V 1 */
if (tam & 0x02) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 2");
}
/* Paging Information 3 [1] 11.5.2.51 - C V 1 */
if (tam & 0x04) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 3");
}
/* Paging Information 4 [1] 11.5.2.51 - C V 1 */
if (tam & 0x08) {
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 4");
}
GMR1_MSG_FUNC_END
}
/* [1] 10.1.25 - Paging Response */
GMR1_MSG_FUNC(gmr1_rr_msg_pag_resp)
{
GMR1_MSG_FUNC_BEGIN
/* Ciphering Key Sequence Number [4] 10.5.1.2 - M V 1/2 */
/* Spare Half Octet [1] 11.5.1.8 - M V 1/2 */
ELEM_MAND_VV_SHORT(GSM_A_PDU_TYPE_COMMON, DE_CIPH_KEY_SEQ_NUM,
GMR1_IE_COMMON, GMR1_IE_COM_SPARE_NIBBLE);
/* Mobile Earth Station Classmark 2 [1] 11.5.1.6 - M L V 4 */
ELEM_MAND_LV(GMR1_IE_COMMON, GMR1_IE_COM_CM2, NULL);
/* Mobile Identity [4] 10.5.1.4 - M L V 2-9 */
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, NULL);
GMR1_MSG_FUNC_END
}
/* [1] 10.1.5 - Channel Mode Modify */
GMR1_MSG_FUNC(gmr1_rr_msg_chan_mode_modify)
{
GMR1_MSG_FUNC_BEGIN
/* Channel Description [1] 11.5.2.5 - M V 4 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL);
/* Channel Mode [1] 11.5.2.6 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL);
GMR1_MSG_FUNC_END
}
/* [1] 10.1.6 - Channel Mode Modify Acknowledge */
GMR1_MSG_FUNC(gmr1_rr_msg_chan_mode_mod_ack)
{
GMR1_MSG_FUNC_BEGIN
/* Channel Description [1] 11.5.2.5 - M V 4 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL);
/* Channel Mode [1] 11.5.2.6 - M V 1 */
ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL);
GMR1_MSG_FUNC_END
}
/* See [3] 11.4.1 - Table 11.1 */
static const value_string gmr1_msg_rr_strings[] = {
/* Channel establishment messages */
{ 0x3f, "Immediate Assignment" },
{ 0x3a, "Immediate Assignment Reject Type 1" },
{ 0x3b, "Immediate Assignment Reject Type 2" },
{ 0x13e, "Extended Immediate Assignment" }, /* Conflict ... add 0x100 */
{ 0x13b, "Extended Imm. Assignment Reject" }, /* Conflict ... add 0x100 */
{ 0x39, "Position Verification Notify" },
{ 0x3c, "Immediate Assignment Reject Type 3" },
{ 0x3e, "Immediate Assignment Type 2" },
{ 0x3d, "Immediate Assignment Type 3" },
/* Ciphering messages */
{ 0x35, "Ciphering Mode Command" },
{ 0x32, "Ciphering Mode Complete" },
/* Channel assignment/handover messages */
{ 0x2e, "Assignment Command 1" },
{ 0x2a, "Assignment Command 2" },
{ 0x29, "Assignment Complete" },
{ 0x2f, "Assignment Failure" },
{ 0x2b, "Handover Command" },
{ 0x2c, "Handover Complete" },
/* Channel release messages */
{ 0x0d, "Channel Release" },
{ 0x0e, "TtT Signalling Link Failure" },
/* Paging messages */
{ 0x21, "Paging Request Type 1" },
{ 0x22, "Paging Request Type 2" },
{ 0x24, "Paging Request Type 3" },
{ 0x27, "Paging Response" },
/* Miscellaneous messages */
{ 0x10, "Channel Mode Modify" },
{ 0x12, "RR Status" },
{ 0x17, "Channel Mode Modify Acknowledge" },
{ 0x16, "Classmark Change" },
{ 0x13, "Classmark Enquiry" },
{ 0x14, "Position Update Request" },
{ 0x15, "Position Update Accept" },
{ 0x11, "Link Correction Message" },
{ 0x01, "Power Control Parameters Update" },
{ 0x02, "Guard Time Violation" },
{ 0x04, "Extended Channel Request" },
/* Status and Diagnostic Messages */
{ 0x40, "Information Request" },
{ 0x41, "Information Response Position" },
{ 0x42, "Information Response Version" },
{ 0x43, "Information Response Spot Beam Selection" },
{ 0x44, "Information Response Power Control" },
{ 0x45, "Information Response Vendor Specific" },
{ 0x46, "Information Response Current Beam" },
{ 0x4f, "Information Response Error" },
/* End */
{ 0, NULL }
};
#define NUM_GMR1_MSG_RR (sizeof(gmr1_msg_rr_strings) / sizeof(value_string))
static gint ett_msg_rr[NUM_GMR1_MSG_RR];
/* same order as gmr1_msg_rr_strings */
static const gmr1_msg_func_t gmr1_msg_rr_func[NUM_GMR1_MSG_RR] = {
/* Channel establishment messages */
gmr1_rr_msg_imm_ass, /* Imm. Ass.*/
gmr1_rr_msg_imm_ass_rej_1, /* Imm. Ass. Reject Type 1 */
NULL, /* Imm. Ass. Reject Type 2 */
NULL, /* Extended Imm. Ass. */
NULL, /* Extended Imm. Ass. Reject */
gmr1_rr_msg_pos_verif_notify, /* Position Verification Notify */
NULL, /* Imm. Ass. Reject Type 3 */
gmr1_rr_msg_imm_ass_2, /* Imm. Ass. Type 2 */
gmr1_rr_msg_imm_ass_3, /* Imm. Ass. Type 3 */
/* Ciphering messages */
gmr1_rr_msg_ciph_mode_cmd, /* Ciphering Mode Command */
gmr1_rr_msg_ciph_mode_complete, /* Ciphering Mode Complete */
/* Channel assignment/handover messages */
gmr1_rr_msg_ass_cmd_1, /* Assignment Command 1 */
NULL, /* Assignment Command 2 */
NULL, /* Assignment Complete */
NULL, /* Assignment Failure */
NULL, /* Handover Command */
NULL, /* Handover Complete */
/* Channel release messages */
gmr1_rr_msg_chan_release, /* Channel Release */
NULL, /* TtT Signalling Link Failure */
/* Paging messages */
NULL, /* Paging Request Type 1 */
NULL, /* Paging Request Type 2 */
gmr1_rr_msg_pag_req_3, /* Paging Request Type 3 */
gmr1_rr_msg_pag_resp, /* Paging Response */
/* Miscellaneous messages */
gmr1_rr_msg_chan_mode_modify, /* Channel Mode Modify */
NULL, /* RR Status */
gmr1_rr_msg_chan_mode_mod_ack, /* Channel Mode Modify Acknowledge */
NULL, /* Classmark Change */
NULL, /* Classmark Enquiry */
NULL, /* Position Update Request */
NULL, /* Position Update Accept */
NULL, /* Link Correction Message */
NULL, /* Power Control Parameters Update */
NULL, /* Guard Time Violation */
NULL, /* Extended Channel Request */
/* Status and Diagnostic Messages */
NULL, /* Info. Req. */
NULL, /* Info. Resp. Position */
NULL, /* Info. Resp. Version */
NULL, /* Info. Resp. Spot Beam Selection */
NULL, /* Info. Resp. Power Control */
NULL, /* Info. Resp. Vendor Specific */
NULL, /* Info. Resp. Current Beam */
NULL, /* Info. Resp. Error */
NULL,
};
void
gmr1_get_msg_rr_params(guint8 oct, int dcch, const gchar **msg_str,
int *ett_tree, int *hf_idx, gmr1_msg_func_t *msg_func_p)
{
const gchar *m = NULL;
gint idx;
if (dcch)
m = try_val_to_str_idx((guint32)oct | 0x100, gmr1_msg_rr_strings, &idx);
if (!m)
m = try_val_to_str_idx((guint32)oct, gmr1_msg_rr_strings, &idx);
*msg_str = m;
*hf_idx = hf_rr_msg_type;
if (m != NULL) {
*ett_tree = ett_msg_rr[idx];
*msg_func_p = gmr1_msg_rr_func[idx];
} else {
*ett_tree = -1;
*msg_func_p = NULL;
}
}
/* ------------------------------------------------------------------------ */
/* Dissector code */
/* ------------------------------------------------------------------------ */
static int
dissect_gmr1_ccch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
guint32 len, offset;
gmr1_msg_func_t msg_func;
const gchar *msg_str;
gint ett_tree;
int hf_idx;
proto_item *ccch_item = NULL, *pd_item = NULL;
proto_tree *ccch_tree = NULL, *pd_tree = NULL;
guint32 oct[3];
guint8 pd;
gint ti = -1;
/* Scan init */
len = tvb_reported_length(tvb);
offset = 0;
/* Safety */
if (len < 3) {
/* Can't be a CCCH */
goto err;
}
col_append_str(pinfo->cinfo, COL_INFO, "(CCCH) ");
/* First octed with pseudo len */
oct[0] = tvb_get_guint8(tvb, offset++);
/* Check protocol descriptor */
oct[1] = tvb_get_guint8(tvb, offset++);
if ((oct[1] & GMR1_PD_EXT_MSK) == GMR1_PD_EXT_VAL)
pd = oct[1] & 0xff;
else
pd = oct[1] & 0x0f;
col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ",
val_to_str(pd, gmr1_pd_short_vals, "Unknown (%u)"));
if (pd != GMR1_PD_RR)
goto err; /* CCCH is only RR */
/* Get message parameters */
oct[2] = tvb_get_guint8(tvb, offset);
gmr1_get_msg_rr_params(oct[2], 0, &msg_str, &ett_tree, &hf_idx, &msg_func);
/* Create protocol tree */
if (msg_str == NULL)
{
ccch_item = proto_tree_add_protocol_format(
tree, proto_gmr1_ccch, tvb, 0, len,
"GMR-1 CCCH - Message Type (0x%02x)", oct[2]);
ccch_tree = proto_item_add_subtree(ccch_item, ett_msg_ccch);
col_append_fstr(pinfo->cinfo, COL_INFO, "Message Type (0x%02x) ", oct[2]);
}
else
{
ccch_item = proto_tree_add_protocol_format(
tree, proto_gmr1_ccch, tvb, 0, -1,
"GMR-1 CCCH - %s", msg_str);
ccch_tree = proto_item_add_subtree(ccch_item, ett_tree);
col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", msg_str);
}
/* Start over */
offset = 0;
/* L2 Pseudo Length - [1] 11.5.2.19 */
offset += elem_v(tvb, ccch_tree, pinfo, GMR1_IE_RR, GMR1_IE_RR_L2_PSEUDO_LEN, offset, NULL);
/* Protocol discriminator item */
pd_item = proto_tree_add_uint(
ccch_tree, hf_rr_protocol_discriminator, tvb, 1, 1, pd);
pd_tree = proto_item_add_subtree(pd_item, ett_rr_pd);
/* Skip indicator / Transaction indicator */
if (ti == -1) {
proto_tree_add_item(pd_tree, hf_gmr1_skip_ind, tvb, 1, 1, ENC_BIG_ENDIAN);
} else {
/* FIXME !!! */
}
/* Protocol discriminator value */
proto_tree_add_item(pd_tree, hf_gmr1_l3_pd, tvb, 1, 1, ENC_BIG_ENDIAN);
/* Move on */
offset++;
/* Message type - [1] 11.4 */
proto_tree_add_uint_format(
ccch_tree, hf_idx, tvb, offset, 1, oct[2],
"Message Type: %s", msg_str ? msg_str : "(Unknown)"
);
offset++;
/* Decode elements */
if (msg_func) {
(*msg_func)(tvb, ccch_tree, pinfo, offset, len - offset);
} else {
proto_tree_add_item(ccch_tree, hf_rr_message_elements, tvb, offset, len - offset, ENC_NA);
}
/* Error handling */
err:
call_data_dissector(tvb, pinfo, tree);
return tvb_captured_length(tvb);
}
void
proto_register_gmr1_rr(void)
{
static hf_register_info hf[] = {
{ &hf_rr_msg_type,
{ "Radio Resources Management Message Type", "gmr1.rr.msg_type",
FT_UINT8, BASE_HEX, VALS(gmr1_msg_rr_strings), 0x00,
NULL, HFILL } /* FIXME handle CCCH/DCCH conflicts */
},
{ &hf_rr_chan_desc_kab_loc,
{ "KAB Location", "gmr1.rr.chan_desc.kab_loc",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_chan_desc_rx_tn,
{ "RX Timeslot", "gmr1.rr.chan_desc.rx_tn",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_chan_desc_arfcn,
{ "ARFCN", "gmr1.rr.chan_desc.arfcn",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_chan_desc_tx_tn,
{ "TX Timeslot", "gmr1.rr.chan_desc.tx_tn",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_chan_desc_chan_type,
{ "Channel Type", "gmr1.rr.chan_desc.chan_type",
FT_UINT8, BASE_DEC, VALS(rr_chan_desc_chan_type_vals), 0x00,
NULL, HFILL }
},
{ &hf_rr_chan_mode,
{ "Channel Mode", "gmr1.rr.chan_mode",
FT_UINT8, BASE_DEC, VALS(rr_chan_mode_vals), 0x00,
NULL, HFILL }
},
{ &hf_rr_ciph_mode_setting_sc,
{ "SC", "gmr1.rr.ciph_mode_setting.sc",
FT_UINT8, BASE_DEC, VALS(rr_ciph_mode_setting_sc_vals), 0x01,
NULL, HFILL }
},
{ &hf_rr_ciph_mode_setting_algo,
{ "Algorithm", "gmr1.rr.ciph_mode_setting.algo",
FT_UINT8, BASE_DEC, VALS(rr_ciph_mode_setting_algo_vals), 0x0e,
NULL, HFILL }
},
{ &hf_rr_ciph_resp_cr,
{ "CR", "gmr1.rr.ciph_resp.cr",
FT_UINT8, BASE_DEC, VALS(rr_ciph_resp_cr_vals), 0x10,
NULL, HFILL }
},
{ &hf_rr_ciph_resp_spare,
{ "Spare", "gmr1.rr.ciph_resp.spare",
FT_UINT8, BASE_DEC, NULL, 0xe0,
NULL, HFILL }
},
{ &hf_rr_l2_pseudo_len,
{ "L2 Pseudo Length value", "gmr1.rr.l2_pseudo_len",
FT_UINT8, BASE_DEC, NULL, 0xfc,
NULL, HFILL }
},
{ &hf_rr_page_mode,
{ "Page Mode", "gmr1.rr.page_mode.mode",
FT_UINT8, BASE_DEC, VALS(rr_page_mode_vals), 0x03,
NULL, HFILL }
},
{ &hf_rr_page_mode_spare,
{ "Spare", "gmr1.rr.page_mode.spare",
FT_UINT8, BASE_DEC, NULL, 0x0c,
NULL, HFILL }
},
{ &hf_rr_req_ref_est_cause,
{ "Establishment cause group ID", "gmr1.rr.req_ref.est_cause",
FT_UINT8, BASE_DEC, VALS(rr_req_ref_est_cause_vals), 0xe0,
NULL, HFILL }
},
{ &hf_rr_req_ref_ra,
{ "Random Access Information", "gmr1.rr.req_ref.ra",
FT_UINT8, BASE_HEX, NULL, 0x1f,
NULL, HFILL }
},
{ &hf_rr_req_ref_fn,
{ "Frame Number mod 256", "gmr1.rr.req_ref.fn",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_cause,
{ "RR Cause", "gmr1.rr.cause",
FT_UINT8, BASE_DEC, VALS(rr_cause_vals), 0x00,
NULL, HFILL }
},
{ &hf_rr_timing_ofs_ti,
{ "TI", "gmr1.rr.timing_offset.ti",
FT_UINT8, BASE_DEC, VALS(rr_timing_ofs_ti_vals), 0x00,
NULL, HFILL }
},
{ &hf_rr_timing_ofs_value,
{ "Timing Offset value", "gmr1.rr.timing_offset.value",
FT_INT16, BASE_CUSTOM, CF_FUNC(rr_timing_ofs_value_fmt), 0x00,
NULL, HFILL }
},
{ &hf_rr_tmsi_ptmsi,
{ "TMSI/P-TMSI Value","gmr1.rr.tmsi_ptmsi",
FT_UINT32,BASE_HEX, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_wait_ind_timeout,
{ "T3122/T3142 timeout", "gmr1.rr.wait_ind.timeout",
FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_gen_ie_seconds_fmt), 0x00,
NULL, HFILL }
},
{ &hf_rr_mif_mes1_ab,
{ "MES1 - Assignment Type", "gmr1.rr.mes_info_flag.1.ab",
FT_UINT8, BASE_DEC, VALS(rr_mif_mes1_ab_vals), 0x03,
NULL, HFILL }
},
{ &hf_rr_mif_mes1_i,
{ "MES1 - Idle mode position update", "gmr1.rr.mes_info_flag.1.i",
FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x04,
NULL, HFILL }
},
{ &hf_rr_mif_mes1_d,
{ "MES1 - Dedicated mode position update", "gmr1.rr.mes_info_flag.1.d",
FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x08,
NULL, HFILL }
},
{ &hf_rr_mif_mes2,
{ "MES2", "gmr1.rr.mes_info_flag.2",
FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x10,
NULL, HFILL }
},
{ &hf_rr_mif_mes3,
{ "MES3", "gmr1.rr.mes_info_flag.3",
FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x20,
NULL, HFILL }
},
{ &hf_rr_mif_mes4,
{ "MES4", "gmr1.rr.mes_info_flag.4",
FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x40,
NULL, HFILL }
},
{ &hf_rr_mif_pv,
{ "Position Verification indicator", "gmr1.rr.mes_info_flag.pv",
FT_UINT8, BASE_DEC, VALS(rr_mif_pv_vals), 0x80,
NULL, HFILL }
},
{ &hf_rr_freq_ofs_fi,
{ "FI", "gmr1.rr.frequency_offset.fi",
FT_UINT8, BASE_DEC, VALS(rr_freq_ofs_fi_vals), 0x00,
NULL, HFILL }
},
{ &hf_rr_freq_ofs_value,
{ "Frequency Offset value", "gmr1.rr.frequency_offset.value",
FT_INT16, BASE_CUSTOM, CF_FUNC(rr_freq_ofs_value_fmt), 0x00,
NULL, HFILL }
},
{ &hf_rr_freq_ofs_spare,
{ "Spare", "gmr1.rr.frequency_offset.spare",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_page_info_msc_id,
{ "MSC ID", "gmr1.rr.paging_info.msc_id",
FT_UINT8, BASE_DEC, NULL, 0xfc,
NULL, HFILL }
},
{ &hf_rr_page_info_chan_needed,
{ "Channel Needed", "gmr1.rr.paging_info.chan_needed",
FT_UINT8, BASE_DEC, VALS(rr_page_info_chan_needed_vals), 0x03,
NULL, HFILL }
},
{ &hf_rr_pos_display_flag,
{ "Display Information Flag", "gmr1.rr.pos_display.flag",
FT_UINT8, BASE_DEC, VALS(rr_pos_display_flag_vals), 0xf0,
NULL, HFILL }
},
{ &hf_rr_pos_display_text,
{ "Country and Region name", "gmr1.rr.pos_display.text",
FT_STRING, STR_UNICODE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_pos_upd_info_v,
{ "Valid", "gmr1.rr.pos_upd_info.valid",
FT_UINT8, BASE_DEC, VALS(rr_pos_upd_info_v_vals), 0x01,
NULL, HFILL }
},
{ &hf_rr_pos_upd_info_dist,
{ "GPS Update Distance", "gmr1.rr.pos_upd_info.distance",
FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pos_upd_info_dist_fmt), 0xfe,
NULL, HFILL }
},
{ &hf_rr_pos_upd_info_time,
{ "GPS Update Timer", "gmr1.rr.pos_upd_info.time",
FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pos_upd_info_time_fmt), 0xff,
NULL, HFILL }
},
{ &hf_rr_bcch_carrier_arfcn,
{ "ARFCN", "gmr1.rr.bcch_carrier.arfcn",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_bcch_carrier_si,
{ "Satellite Indication", "gmr1.rr.bcch_carrier.si",
FT_UINT8, BASE_DEC, VALS(rr_bcch_carrier_si_vals), 0x00,
NULL, HFILL }
},
{ &hf_rr_bcch_carrier_ri,
{ "Reselection Indication", "gmr1.rr.bcch_carrier.ri",
FT_UINT8, BASE_DEC, VALS(rr_bcch_carrier_ri_vals), 0x00,
NULL, HFILL }
},
{ &hf_rr_bcch_carrier_spare,
{ "Spare", "gmr1.rr.bcch_carrier.spare",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_reject_cause,
{ "Cause", "gmr1.rr.reject_cause.cause",
FT_UINT8, BASE_DEC, VALS(rr_reject_cause_vals), 0xfc,
NULL, HFILL }
},
{ &hf_rr_reject_cause_b,
{ "BCCH Carrier IE presence", "gmr1.rr.reject_cause.b",
FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x01,
NULL, HFILL }
},
{ &hf_rr_gps_timestamp,
{ "GPS timestamp", "gmr1.rr.gps_timestamp",
FT_UINT16, BASE_CUSTOM, CF_FUNC(rr_gps_timestamp_fmt), 0xffff,
NULL, HFILL }
},
{ &hf_rr_gps_power_control_params,
{ "Power Control Parameters", "gmr1.rr.power_control_params",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_rr_tmsi_avail_msk_tmsi[0],
{ "TMSI 1 Presence", "gmr1.rr.tmsi_avail_msk.tmsi1",
FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x10,
NULL, HFILL }
},
{ &hf_rr_tmsi_avail_msk_tmsi[1],
{ "TMSI 2 Presence", "gmr1.rr.tmsi_avail_msk.tmsi2",
FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x20,
NULL, HFILL }
},
{ &hf_rr_tmsi_avail_msk_tmsi[2],
{ "TMSI 3 Presence", "gmr1.rr.tmsi_avail_msk.tmsi3",
FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x40,
NULL, HFILL }
},
{ &hf_rr_tmsi_avail_msk_tmsi[3],
{ "TMSI 4 Presence", "gmr1.rr.tmsi_avail_msk.tmsi4",
FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x80,
NULL, HFILL }
},
{ &hf_rr_gps_almanac_pn,
{ "Page Number", "gmr1.rr.gps_almanac.pn",
FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_gps_almanac_pn_fmt), 0xf8,
"See ICD-GPS-200", HFILL }
},
{ &hf_rr_gps_almanac_wn,
{ "Word Number", "gmr1.rr.gps_almanac.wn",
FT_UINT8, BASE_DEC, NULL, 0x07,
"See ICD-GPS-200", HFILL }
},
{ &hf_rr_gps_almanac_word,
{ "GPS Almanac Word", "gmr1.rr.gps_almanac.word",
FT_UINT24, BASE_HEX, NULL, 0x00,
"See ICD-GPS-200", HFILL }
},
{ &hf_rr_gps_almanac_sfn,
{ "Sub Frame Number", "gmr1.rr.gps_almanac.sfn",
FT_UINT8, BASE_DEC, VALS(rr_gps_almanac_sfn_vals), 0x80,
"See ICD-GPS-200", HFILL }
},
{ &hf_rr_gps_almanac_co,
{ "CO", "gmr1.rr.gps_almanac.co",
FT_UINT8, BASE_DEC, NULL, 0x40,
NULL, HFILL }
},
{ &hf_rr_gps_almanac_spare,
{ "Spare", "gmr1.rr.gps_almanac.spare",
FT_UINT8, BASE_DEC, NULL, 0x3f,
NULL, HFILL }
},
{ &hf_rr_msc_id,
{ "MSC ID", "gmr1.rr.msc_id",
FT_UINT8, BASE_DEC, NULL, 0xfc,
NULL, HFILL }
},
{ &hf_rr_msc_id_spare,
{ "Spare", "gmr1.rr.msc_id.spare",
FT_UINT8, BASE_DEC, NULL, 0x03,
NULL, HFILL }
},
{ &hf_rr_gps_discr,
{ "GPS Position field CRC-16", "gmr1.rr.gps_discriminator",
FT_UINT16, BASE_HEX, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_3_prm_rlc_mode,
{ "RLC Mode", "gmr1.rr.pkt_imm_ass_3_prm",
FT_UINT8, BASE_DEC, VALS(rr_pkt_imm_ass_3_prm_rlc_mode_vals), 0x01,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_3_prm_spare,
{ "Spare", "gmr1.rr.pkt_imm_ass_3_prm.spare",
FT_UINT8, BASE_DEC, NULL, 0x1e,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_3_prm_dl_tfi,
{ "Downlink TFI", "gmr1.rr.pkt_imm_ass_3_prm.tfi",
FT_UINT8, BASE_HEX, NULL, 0x00,
"Temporary Flow Identifier", HFILL }
},
{ &hf_rr_pkt_imm_ass_3_prm_start_fn,
{ "Start Framenumber", "gmr1.rr.pkt_imm_ass_3_prm.start_fn",
FT_UINT8, BASE_DEC, NULL, 0xf0,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc,
{ "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_3_prm.mac_slot_alloc",
FT_UINT8, BASE_HEX, NULL, 0xff,
"LSB=slot 0, MSB=slot 7", HFILL }
},
{ &hf_rr_pkt_freq_prm_arfcn,
{ "ARFCN", "gmr1.rr.pkt_freq_prm.arfcn",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_pkt_freq_prm_dl_freq_plan_id,
{ "Downlink Freq. Plan ID", "gmr1.rr.pkt_freq_prm.dl_freq_plan_id",
FT_UINT8, BASE_DEC, VALS(rr_pkt_freq_prm_dl_freq_plan_id_vals), 0x08,
NULL, HFILL }
},
{ &hf_rr_pkt_freq_prm_dl_bw,
{ "Downlink Bandwidth", "gmr1.rr.pkt_freq_prm.dl_bw",
FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pkt_freq_prm_xx_bw_fmt), 0x70,
NULL, HFILL }
},
{ &hf_rr_pkt_freq_prm_ul_freq_dist,
{ "Uplink Freq. Distance", "gmr1.rr.pkt_freq_prm.ul_freq_dist",
FT_INT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_pkt_freq_prm_ul_bw,
{ "Uplink Bandwidth", "gmr1.rr.pkt_freq_prm.ul_bw",
FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pkt_freq_prm_xx_bw_fmt), 0x70,
NULL, HFILL }
},
{ &hf_rr_pkt_freq_prm_spare,
{ "Spare", "gmr1.rr.pkt_freq_prm.spare",
FT_UINT8, BASE_DEC, NULL, 0x80,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_spare1,
{ "Spare", "gmr1.rr.pkt_imm_ass_2_prm.ac.spare1",
FT_UINT8, BASE_DEC, NULL, 0x01,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_final_alloc,
{ "Final Allocation", "gmr1.rr.pkt_imm_ass_2_prm.ac.final_alloc",
FT_UINT8, BASE_DEC, NULL, 0x02,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity,
{ "USF Granularity", "gmr1.rr.pkt_imm_ass_2_prm.ac.usf_granularity",
FT_UINT8, BASE_DEC, NULL, 0x04,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot,
{ "Downlink Control MAC-slot", "gmr1.rr.pkt_imm_ass_2_prm.ac.dl_ctl_mac_slot",
FT_UINT8, BASE_DEC, NULL, 0x38,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_mac_mode,
{ "MAC mode", "gmr1.rr.pkt_imm_ass_2_prm.ac.mac_mode",
FT_UINT8, BASE_DEC, VALS(rr_pkt_imm_ass_2_prm_ac_mac_mode_vals), 0xc0,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_start_fn,
{ "Starting Frame Number", "gmr1.rr.pkt_imm_ass_2_prm.ac.start_fn",
FT_UINT8, BASE_DEC, NULL, 0x0f,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt,
{ "RLC Data Blocks Granted", "gmr1.rr.pkt_imm_ass_2_prm.ac.rlc_dblk_gnt",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_mcs,
{ "MCS", "gmr1.rr.pkt_imm_ass_2_prm.ac.mcs",
FT_UINT8, BASE_DEC, NULL, 0xf8,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_tfi,
{ "TFI", "gmr1.rr.pkt_imm_ass_2_prm.ac.tfi",
FT_UINT8, BASE_HEX, NULL, 0x7f,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_spare2,
{ "Spare", "gmr1.rr.pkt_imm_ass_2_prm.ac.spare2",
FT_UINT8, BASE_HEX, NULL, 0x80,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc,
{ "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_2_prm.ac.mac_slot_alloc",
FT_UINT8, BASE_HEX, NULL, 0xff,
"LSB=slot 0, MSB=slot 7", HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd,
{ "Channel MCS Command", "gmr1.rr.pkt_imm_ass_2_prm.d.chan_mcs_cmd",
FT_UINT8, BASE_HEX, NULL, 0x0f,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512,
{ "Channel MCS Command PNB 5,12", "gmr1.rr.pkt_imm_ass_2_prm.d.chan_mcs_cmd_pnb512",
FT_UINT8, BASE_HEX, NULL, 0xf0,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_spare1,
{ "Spare", "gmr1.rr.pkt_imm_ass_2_prm.d.spare1",
FT_UINT8, BASE_HEX, NULL, 0xff,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt,
{ "RLC Data Blocks Granted", "gmr1.rr.pkt_imm_ass_2_prm.d.rlc_dblk_gnt",
FT_UINT8, BASE_DEC, NULL, 0x7f,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_spare2,
{ "Spare", "gmr1.rr.pkt_imm_ass_2_prm.d.spare2",
FT_UINT8, BASE_HEX, NULL, 0x80,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_tfi,
{ "TFI", "gmr1.rr.pkt_imm_ass_2_prm.d.tfi",
FT_UINT8, BASE_HEX, NULL, 0x7f,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_usf_granularity,
{ "USF Granularity", "gmr1.rr.pkt_imm_ass_2_prm.ac.usf_granularity",
FT_UINT8, BASE_DEC, NULL, 0x80,
NULL, HFILL }
},
{ &hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc,
{ "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_2_prm.d.mac_slot_alloc",
FT_UINT8, BASE_HEX, NULL, 0xff,
"LSB=slot 0, MSB=slot 7", HFILL }
},
{ &hf_rr_usf_value,
{ "Uplink state flag (USF)", "gmr1.rr.usf.value",
FT_UINT8, BASE_HEX, NULL, 0x3f,
NULL, HFILL }
},
{ &hf_rr_usf_spare,
{ "Spare", "gmr1.rr.usf.spare",
FT_UINT24, BASE_DEC, NULL, 0xffffc0,
NULL, HFILL }
},
{ &hf_rr_timing_adv_idx_value,
{ "TAI Value", "gmr1.rr.timing_adv_idx.tai",
FT_UINT8, BASE_DEC, NULL, 0x7f,
NULL, HFILL }
},
{ &hf_rr_timing_adv_idx_spare,
{ "Spare", "gmr1.rr.timing_adv_idx.spare",
FT_UINT8, BASE_DEC, NULL, 0x80,
NULL, HFILL }
},
{ &hf_rr_tlli,
{ "TLLI", "gmr1.rr.tlli",
FT_UINT32, BASE_HEX, NULL, 0x00,
NULL, HFILL }
},
{ &hf_rr_pkt_pwr_ctrl_prm_par,
{ "Power Attenuation Request (PAR)", "gmr1.rr.pkt_pwr_ctrl_prm.par",
FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pkt_pwr_ctrl_prm_par_fmt), 0x3f,
NULL, HFILL }
},
{ &hf_rr_pkt_pwr_ctrl_prm_spare,
{ "Spare", "gmr1.rr.pkt_pwr_ctrl_prm.spare",
FT_UINT8, BASE_DEC, NULL, 0xc0,
NULL, HFILL }
},
{ &hf_rr_persistence_lvl[0],
{ "for Radio priority 1", "gmr1.rr.persistence_lvl.p1",
FT_UINT8, BASE_DEC, NULL, 0xf0,
NULL, HFILL }
},
{ &hf_rr_persistence_lvl[1],
{ "for Radio priority 2", "gmr1.rr.persistence_lvl.p2",
FT_UINT8, BASE_DEC, NULL, 0x0f,
NULL, HFILL }
},
{ &hf_rr_persistence_lvl[2],
{ "for Radio priority 3", "gmr1.rr.persistence_lvl.p3",
FT_UINT8, BASE_DEC, NULL, 0xf0,
NULL, HFILL }
},
{ &hf_rr_persistence_lvl[3],
{ "for Radio priority 4", "gmr1.rr.persistence_lvl.p4",
FT_UINT8, BASE_DEC, NULL, 0x0f,
NULL, HFILL }
},
{ &hf_rr_protocol_discriminator,
{ "Protocol Discriminator", "gmr1.rr.protocol_discriminator",
FT_UINT8, BASE_DEC, VALS(gmr1_pd_vals), 0x0,
NULL, HFILL }
},
{ &hf_rr_message_elements,
{ "Message elements", "gmr1.rr.message_elements",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
};
#define NUM_INDIVIDUAL_ELEMS 2
static gint *ett[NUM_INDIVIDUAL_ELEMS +
NUM_GMR1_IE_RR +
NUM_GMR1_MSG_RR];
unsigned int last_offset, i;
/* Setup protocol subtree array */
ett[0] = &ett_msg_ccch;
ett[1] = &ett_rr_pd;
last_offset = NUM_INDIVIDUAL_ELEMS;
for (i=0; i<NUM_GMR1_IE_RR; i++,last_offset++) {
ett_gmr1_ie_rr[i] = -1;
ett[last_offset] = &ett_gmr1_ie_rr[i];
}
for (i=0; i<NUM_GMR1_MSG_RR; i++,last_offset++) {
ett_msg_rr[i] = -1;
ett[last_offset] = &ett_msg_rr[i];
}
proto_register_subtree_array(ett, array_length(ett));
/* Register the protocol name and field description */
proto_gmr1_rr = proto_register_protocol("GEO-Mobile Radio (1) RR", "GMR-1 RR", "gmr1.rr");
proto_register_field_array(proto_gmr1_rr, hf, array_length(hf));
/* Register the protocol name and field description */
proto_gmr1_ccch = proto_register_protocol("GEO-Mobile Radio (1) CCCH", "GMR-1 CCCH", "gmr1.ccch");
/* Register dissector */
register_dissector("gmr1_ccch", dissect_gmr1_ccch, proto_gmr1_ccch);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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