![Pascal Quantin](/assets/img/avatar_default.png)
- ep_tvb_get_bits() -> wmem_packet_tvb_get_bits() - tvb_g_memdup()/ep_tvb_memdup() -> tvb_memdup() - tvb_fake_unicode()/tvb_get_ephemeral_faked_unicode() -> tvb_get_faked_unicode() - tvb_get_g_string()/tvb_get_ephemeral_string()/tvb_get_seasonal_string() -> tvb_get_string() - tvb_get_g_unicode_string()/tvb_get_ephemeral_unicode_string() -> tvb_get_unicode_string() - tvb_get_ephemeral_string_enc() -> tvb_get_string_enc() - update docs accordingly svn path=/trunk/; revision=52172
1014 lines
43 KiB
C
1014 lines
43 KiB
C
/* packet-iuup.c
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* IuUP Protocol 3GPP TS 25.415 V6.2.0 (2005-03)
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*
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* (c) 2005 Luis E. Garcia Ontanon <luis@ontanon.org>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/*
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Patch by Polystar (Peter Vestman, Petter Edblom):
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Corrected rfci handling in rate control messages
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Added crc6 and crc10 checks for header and payload
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*/
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#include "config.h"
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/wmem/wmem.h>
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#include <epan/expert.h>
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#include <wsutil/crc10.h>
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#include <wsutil/crc6.h>
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typedef struct _iuup_rfci_t {
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guint id;
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guint sum_len;
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guint num_of_subflows;
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struct {
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guint len;
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} subflow[8];
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struct _iuup_rfci_t* next;
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} iuup_rfci_t;
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typedef struct {
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guint32 id;
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guint num_of_subflows;
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iuup_rfci_t* rfcis;
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iuup_rfci_t* last_rfci;
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} iuup_circuit_t;
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static int proto_iuup = -1;
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static int hf_iuup_direction = -1;
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static int hf_iuup_circuit_id = -1;
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static int hf_iuup_pdu_type = -1;
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static int hf_iuup_frame_number = -1;
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static int hf_iuup_fqc = -1;
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static int hf_iuup_rfci = -1;
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static int hf_iuup_hdr_crc = -1;
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static int hf_iuup_payload_crc = -1;
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static int hf_iuup_ack_nack = -1;
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static int hf_iuup_frame_number_t14 = -1;
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static int hf_iuup_mode_version = -1;
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static int hf_iuup_procedure_indicator = -1;
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static int hf_iuup_error_cause_val = -1;
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static int hf_iuup_init_ti = -1;
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static int hf_iuup_init_subflows_per_rfci = -1;
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static int hf_iuup_init_chain_ind = -1;
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static int hf_iuup_error_distance = -1;
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static int hf_iuup_errorevt_cause_val = -1;
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static int hf_iuup_time_align = -1;
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static int hf_iuup_spare_bytes = -1;
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static int hf_iuup_spare_03 = -1;
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/* static int hf_iuup_spare_0f = -1; */
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/* static int hf_iuup_spare_c0 = -1; */
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static int hf_iuup_spare_e0 = -1;
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static int hf_iuup_spare_ff = -1;
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static int hf_iuup_delay = -1;
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static int hf_iuup_advance = -1;
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static int hf_iuup_delta = -1;
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static int hf_iuup_mode_versions = -1;
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static int hf_iuup_mode_versions_a[] = {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
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static int hf_iuup_data_pdu_type = -1;
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static int hf_iuup_num_rfci_ind = -1;
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static int hf_iuup_payload = -1;
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static int hf_iuup_init_rfci_ind = -1;
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static int hf_iuup_init_rfci[] = {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
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static int hf_iuup_init_rfci_flow_len[64][8] = {
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1}
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};
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static int hf_iuup_init_rfci_li[] = {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
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static int hf_iuup_init_rfci_lri[] = {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
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static int hf_iuup_init_ipti[] = {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
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static int hf_iuup_rfci_subflow[64][8] = {
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},
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{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1,-1,-1,-1}
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};
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static int hf_iuup_rfci_ratectl[] = {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
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static gint ett_iuup = -1;
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static gint ett_rfci = -1;
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static gint ett_ipti = -1;
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static gint ett_support = -1;
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static gint ett_time = -1;
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static gint ett_rfciinds = -1;
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static gint ett_payload = -1;
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static gint ett_payload_subflows = -1;
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static expert_field ei_iuup_hdr_crc_bad = EI_INIT;
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static expert_field ei_iuup_payload_crc_bad = EI_INIT;
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static expert_field ei_iuup_payload_undecoded = EI_INIT;
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static expert_field ei_iuup_error_response = EI_INIT;
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static expert_field ei_iuup_ack_nack = EI_INIT;
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static expert_field ei_iuup_time_align = EI_INIT;
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static expert_field ei_iuup_procedure_indicator = EI_INIT;
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static expert_field ei_iuup_pdu_type = EI_INIT;
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static GHashTable* circuits = NULL;
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static dissector_handle_t data_handle = NULL;
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static gboolean dissect_fields = FALSE;
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static gboolean two_byte_pseudoheader = FALSE;
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static guint global_dynamic_payload_type = 0;
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#define PDUTYPE_DATA_WITH_CRC 0
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#define PDUTYPE_DATA_NO_CRC 1
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#define PDUTYPE_DATA_CONTROL_PROC 14
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static const value_string iuup_pdu_types[] = {
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{PDUTYPE_DATA_WITH_CRC,"Data with CRC"},
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{PDUTYPE_DATA_NO_CRC,"Data without CRC"},
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{PDUTYPE_DATA_CONTROL_PROC,"Control Procedure"},
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{0,NULL}
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};
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static const value_string iuup_colinfo_pdu_types[] = {
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{PDUTYPE_DATA_WITH_CRC,"Data (CRC)"},
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{PDUTYPE_DATA_NO_CRC,"Data (no CRC)"},
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{PDUTYPE_DATA_CONTROL_PROC,""},
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{0,NULL}
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};
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#define ACKNACK_ACK 0x4
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#define ACKNACK_NACK 0x8
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#define ACKNACK_RESERVED 0xc
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#define ACKNACK_PROC 0x0
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static const value_string iuup_acknack_vals[] = {
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{ACKNACK_PROC >> 2,"Procedure"},
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{ACKNACK_ACK >> 2,"ACK"},
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{ACKNACK_NACK >> 2,"NACK"},
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{ACKNACK_RESERVED >> 2,"Reserved"},
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{0,NULL}
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};
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static const value_string iuup_colinfo_acknack_vals[] = {
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{ACKNACK_PROC,""},
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{ACKNACK_ACK,"ACK "},
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{ACKNACK_NACK,"NACK "},
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{ACKNACK_RESERVED,"Reserved "},
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{0,NULL}
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};
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#define PROC_INIT 0
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#define PROC_RATE 1
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#define PROC_TIME 2
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#define PROC_ERROR 3
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static const value_string iuup_procedures[] = {
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{PROC_INIT,"Initialization"},
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{PROC_RATE,"Rate Control"},
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{PROC_TIME,"Time Alignment"},
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{PROC_ERROR,"Error Event"},
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{4,"Reserved(4)"},
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{5,"Reserved(5)"},
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{6,"Reserved(6)"},
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{7,"Reserved(7)"},
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{8,"Reserved(8)"},
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{9,"Reserved(9)"},
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{10,"Reserved(10)"},
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{11,"Reserved(11)"},
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{12,"Reserved(12)"},
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{13,"Reserved(13)"},
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{14,"Reserved(14)"},
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{15,"Reserved(15)"},
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{0,NULL}
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};
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static const value_string iuup_colinfo_procedures[] = {
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{PROC_INIT,"Initialization "},
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{PROC_RATE,"Rate Control "},
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{PROC_TIME,"Time Alignment "},
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{PROC_ERROR,"Error Event "},
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{0,NULL}
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};
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static const value_string iuup_error_distances[] = {
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{0, "Reporting local error"},
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{1, "First forwarding of error event report"},
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{2, "Second forwarding of error event report"},
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{3, "Reserved"},
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{0,NULL}
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};
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static const value_string iuup_error_causes[] = {
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{0, "CRC error of frame header"},
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{1, "CRC error of frame payload"},
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{2, "Unexpected frame number"},
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{3, "Frame loss"},
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{4, "PDU type unknown"},
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{5, "Unknown procedure"},
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{6, "Unknown reserved value"},
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{7, "Unknown field"},
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{8, "Frame too short"},
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{9, "Missing fields"},
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{16, "Unexpected PDU type"},
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{18, "Unexpected procedure"},
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{19, "Unexpected RFCI"},
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{20, "Unexpected value"},
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{42, "Initialisation failure"},
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{43, "Initialisation failure (network error, timer expiry)"},
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{44, "Initialisation failure (Iu UP function error, repeated NACK)"},
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{45, "Rate control failure"},
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{46, "Error event failure"},
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{47, "Time Alignment not supported"},
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{48, "Requested Time Alignment not possible"},
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{49, "Iu UP Mode version not supported"},
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{0,NULL}
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};
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static const value_string iuup_rfci_indicator[] = {
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{0, "RFCI allowed"},
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{1, "RFCI barred"},
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{0,NULL}
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};
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static const value_string iuup_ti_vals[] = {
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{0, "IPTIs not present"},
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{1, "IPTIs present in frame"},
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{0,NULL}
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};
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static const value_string iuup_mode_version_support[] = {
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{0, "not supported"},
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{1, "supported"},
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{0,NULL}
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};
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static const value_string iuup_init_rfci_li_vals[] = {
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{0, "one octet used"},
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{1, "two octets used"},
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{0,NULL}
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};
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static const value_string iuup_init_chain_ind_vals[] = {
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{0, "this frame is the last frame for the procedure"},
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{1, "additional frames will be sent for the procedure"},
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{0,NULL}
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};
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static const value_string iuup_init_lri_vals[] = {
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{0, "Not last RFCI"},
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{1, "Last RFCI in current frame"},
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{0,NULL}
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};
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static const value_string iuup_payload_pdu_type[] = {
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{0, "PDU type 0"},
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{1, "PDU type 1"},
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{0,NULL}
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};
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|
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static const value_string iuup_fqcs[] = {
|
|
{0, "Frame Good"},
|
|
{1, "Frame BAD"},
|
|
{2, "Frame bad due to radio"},
|
|
{3, "spare"},
|
|
{0,NULL}
|
|
};
|
|
|
|
|
|
static proto_item*
|
|
iuup_proto_tree_add_bits(proto_tree* tree, int hf, tvbuff_t* tvb, int offset, int bit_offset, guint bits, guint8** buf) {
|
|
static const guint8 masks[] = {0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe};
|
|
int len = (bits + bit_offset)/8 + (((bits + bit_offset)%8) ? 0 : 1);
|
|
guint8* shifted_buffer;
|
|
proto_item* pi;
|
|
int i;
|
|
|
|
DISSECTOR_ASSERT(bit_offset < 8);
|
|
|
|
shifted_buffer = (guint8 *)tvb_memdup(wmem_packet_scope(),tvb,offset,len+1);
|
|
|
|
for(i = 0; i < len; i++) {
|
|
shifted_buffer[i] <<= bit_offset;
|
|
shifted_buffer[i] |= (shifted_buffer[i+1] & masks[bit_offset]) >> (8 - bit_offset);
|
|
}
|
|
|
|
shifted_buffer[len] <<= bit_offset;
|
|
shifted_buffer[len] &= masks[(bits + bit_offset)%8];
|
|
|
|
if (buf)
|
|
*buf = shifted_buffer;
|
|
|
|
pi = proto_tree_add_bytes(tree, hf, tvb, offset, len + (((bits + bit_offset)%8) ? 1 : 0) , shifted_buffer);
|
|
proto_item_append_text(pi, " (%i Bits)", bits);
|
|
|
|
return pi;
|
|
}
|
|
|
|
static void dissect_iuup_payload(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, guint rfci_id _U_, int offset) {
|
|
iuup_circuit_t* iuup_circuit;
|
|
iuup_rfci_t *rfci;
|
|
int last_offset = tvb_length(tvb) - 1;
|
|
guint bit_offset = 0;
|
|
proto_item* pi;
|
|
|
|
pi = proto_tree_add_item(tree,hf_iuup_payload,tvb,offset,-1,ENC_NA);
|
|
|
|
if ( ! dissect_fields ) {
|
|
return;
|
|
} else if ( ! pinfo->circuit_id
|
|
|| ! ( iuup_circuit = (iuup_circuit_t *)g_hash_table_lookup(circuits,GUINT_TO_POINTER(pinfo->circuit_id)) ) ) {
|
|
expert_add_info(pinfo, pi, &ei_iuup_payload_undecoded);
|
|
return;
|
|
}
|
|
|
|
for(rfci = iuup_circuit->rfcis; rfci; rfci = rfci->next)
|
|
if ( rfci->id == rfci_id )
|
|
break;
|
|
|
|
if (!rfci) {
|
|
expert_add_info(pinfo, pi, &ei_iuup_payload_undecoded);
|
|
return;
|
|
}
|
|
|
|
tree = proto_item_add_subtree(pi,ett_payload);
|
|
|
|
|
|
do {
|
|
guint i;
|
|
guint subflows = rfci->num_of_subflows;
|
|
proto_tree* flow_tree;
|
|
|
|
pi = proto_tree_add_text(tree,tvb,offset,-1,"Payload Frame");
|
|
flow_tree = proto_item_add_subtree(pi,ett_payload_subflows);
|
|
|
|
bit_offset = 0;
|
|
|
|
for(i = 0; i < subflows; i++) {
|
|
|
|
if (! rfci->subflow[i].len)
|
|
continue;
|
|
|
|
iuup_proto_tree_add_bits(flow_tree, hf_iuup_rfci_subflow[rfci->id][i], tvb,
|
|
offset + (bit_offset/8),
|
|
bit_offset % 8,
|
|
rfci->subflow[i].len,
|
|
NULL);
|
|
|
|
bit_offset += rfci->subflow[i].len;
|
|
}
|
|
|
|
offset += (bit_offset / 8) + ((bit_offset % 8) ? 1 : 0);
|
|
|
|
} while (offset <= last_offset);
|
|
}
|
|
|
|
static guint dissect_rfcis(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* tree, int* offset, iuup_circuit_t* iuup_circuit) {
|
|
proto_item* pi;
|
|
proto_tree* pt;
|
|
guint8 oct;
|
|
guint c = 0;
|
|
guint i;
|
|
|
|
do {
|
|
iuup_rfci_t *rfci = wmem_new0(wmem_file_scope(), iuup_rfci_t);
|
|
guint len = 0;
|
|
|
|
DISSECTOR_ASSERT(c < 64);
|
|
|
|
pi = proto_tree_add_item(tree,hf_iuup_init_rfci_ind,tvb,*offset,-1,ENC_NA);
|
|
pt = proto_item_add_subtree(pi,ett_rfci);
|
|
|
|
proto_tree_add_item(pt,hf_iuup_init_rfci_lri[c],tvb,*offset,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(pt,hf_iuup_init_rfci_li[c],tvb,*offset,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(pt,hf_iuup_init_rfci[c],tvb,*offset,1,ENC_BIG_ENDIAN);
|
|
|
|
oct = tvb_get_guint8(tvb,*offset);
|
|
rfci->id = oct & 0x3f;
|
|
rfci->num_of_subflows = iuup_circuit->num_of_subflows;
|
|
|
|
len = (oct & 0x40) ? 2 : 1;
|
|
proto_item_set_text(pi,"RFCI %i Initialization",rfci->id);
|
|
proto_item_set_len(pi,(len*iuup_circuit->num_of_subflows)+1);
|
|
|
|
(*offset)++;
|
|
|
|
for(i = 0; i < iuup_circuit->num_of_subflows; i++) {
|
|
guint subflow_len;
|
|
|
|
if (len == 2) {
|
|
subflow_len = tvb_get_ntohs(tvb,*offset);
|
|
} else {
|
|
subflow_len = tvb_get_guint8(tvb,*offset);
|
|
}
|
|
|
|
rfci->subflow[i].len = subflow_len;
|
|
rfci->sum_len += subflow_len;
|
|
|
|
proto_tree_add_uint(pt,hf_iuup_init_rfci_flow_len[c][i],tvb,*offset,len,subflow_len);
|
|
|
|
(*offset) += len;
|
|
}
|
|
|
|
|
|
if (iuup_circuit->last_rfci) {
|
|
iuup_circuit->last_rfci = iuup_circuit->last_rfci->next = rfci;
|
|
} else {
|
|
iuup_circuit->last_rfci = iuup_circuit->rfcis = rfci;
|
|
}
|
|
|
|
c++;
|
|
} while ( ! (oct & 0x80) );
|
|
|
|
return c - 1;
|
|
}
|
|
|
|
static void dissect_iuup_init(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree) {
|
|
int offset = 4;
|
|
guint8 oct = tvb_get_guint8(tvb,offset);
|
|
guint n = (oct & 0x0e) >> 1;
|
|
gboolean ti = oct & 0x10;
|
|
guint i;
|
|
guint rfcis;
|
|
proto_item* pi;
|
|
proto_tree* support_tree = NULL;
|
|
proto_tree* iptis_tree;
|
|
iuup_circuit_t* iuup_circuit = NULL;
|
|
|
|
if (pinfo->circuit_id) {
|
|
iuup_circuit = (iuup_circuit_t *)g_hash_table_lookup(circuits,GUINT_TO_POINTER(pinfo->circuit_id));
|
|
|
|
if (iuup_circuit) {
|
|
g_hash_table_remove(circuits,GUINT_TO_POINTER(pinfo->circuit_id));
|
|
}
|
|
|
|
iuup_circuit = wmem_new0(wmem_file_scope(), iuup_circuit_t);
|
|
} else {
|
|
iuup_circuit = wmem_new0(wmem_packet_scope(), iuup_circuit_t);
|
|
}
|
|
|
|
iuup_circuit->id = pinfo->circuit_id;
|
|
iuup_circuit->num_of_subflows = n;
|
|
iuup_circuit->rfcis = NULL;
|
|
iuup_circuit->last_rfci = NULL;
|
|
|
|
if (pinfo->circuit_id) {
|
|
g_hash_table_insert(circuits,GUINT_TO_POINTER(iuup_circuit->id),iuup_circuit);
|
|
}
|
|
|
|
if (tree) {
|
|
proto_tree_add_item(tree,hf_iuup_spare_e0,tvb,offset,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree,hf_iuup_init_ti,tvb,offset,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree,hf_iuup_init_subflows_per_rfci,tvb,offset,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree,hf_iuup_init_chain_ind,tvb,offset,1,ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
offset++;
|
|
|
|
rfcis = dissect_rfcis(tvb, pinfo, tree, &offset, iuup_circuit);
|
|
|
|
if (!tree) return;
|
|
|
|
if (ti) {
|
|
pi = proto_tree_add_text(tree,tvb,offset,(rfcis/2)+(rfcis%2),"IPTIs");
|
|
iptis_tree = proto_item_add_subtree(pi,ett_ipti);
|
|
|
|
for (i = 0; i <= rfcis; i++) {
|
|
proto_tree_add_item(iptis_tree,hf_iuup_init_ipti[i],tvb,offset,1,ENC_BIG_ENDIAN);
|
|
if ((i%2)) {
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
if ((i%2)) {
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
pi = proto_tree_add_item(tree,hf_iuup_mode_versions,tvb,offset,2,ENC_BIG_ENDIAN);
|
|
support_tree = proto_item_add_subtree(pi,ett_support);
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
proto_tree_add_item(support_tree,hf_iuup_mode_versions_a[i],tvb,offset,2,ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
}
|
|
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree,hf_iuup_data_pdu_type,tvb,offset,1,ENC_BIG_ENDIAN);
|
|
|
|
}
|
|
|
|
static void dissect_iuup_ratectl(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* tree) {
|
|
guint num = tvb_get_guint8(tvb,4) & 0x3f;
|
|
guint i;
|
|
proto_item* pi;
|
|
proto_tree* inds_tree;
|
|
int offset = 4;
|
|
|
|
pi = proto_tree_add_item(tree,hf_iuup_num_rfci_ind,tvb,4,1,ENC_BIG_ENDIAN);
|
|
inds_tree = proto_item_add_subtree(pi,ett_rfciinds);
|
|
|
|
for (i = 0; i < num; i++) {
|
|
if (! (i % 8) ) offset++;
|
|
proto_tree_add_item(inds_tree,hf_iuup_rfci_ratectl[i],tvb,offset,1,ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
}
|
|
|
|
static void add_hdr_crc(tvbuff_t* tvb, packet_info* pinfo, proto_item* iuup_tree, guint16 crccheck)
|
|
{
|
|
proto_item *crc_item;
|
|
|
|
crc_item = proto_tree_add_item(iuup_tree,hf_iuup_hdr_crc,tvb,2,1,ENC_BIG_ENDIAN);
|
|
if (crccheck) {
|
|
proto_item_append_text(crc_item, "%s", " [incorrect]");
|
|
expert_add_info(pinfo, crc_item, &ei_iuup_hdr_crc_bad);
|
|
}
|
|
}
|
|
|
|
static void add_payload_crc(tvbuff_t* tvb, packet_info* pinfo, proto_item* iuup_tree)
|
|
{
|
|
proto_item *crc_item;
|
|
int length = tvb_length(tvb);
|
|
guint16 crc10 = tvb_get_ntohs(tvb, 2) & 0x3FF;
|
|
guint16 crccheck = update_crc10_by_bytes(crc10, tvb_get_ptr(tvb, 4, length - 4), length - 4);
|
|
|
|
crc_item = proto_tree_add_item(iuup_tree,hf_iuup_payload_crc,tvb,2,2,ENC_BIG_ENDIAN);
|
|
if (crccheck) {
|
|
proto_item_append_text(crc_item, "%s", " [incorrect]");
|
|
expert_add_info(pinfo, crc_item, &ei_iuup_payload_crc_bad);
|
|
}
|
|
}
|
|
|
|
#define ACKNACK_MASK 0x0c
|
|
#define PROCEDURE_MASK 0x0f
|
|
#define FQC_MASK 0xc0
|
|
#define PDUTYPE_MASK 0xf0
|
|
static void dissect_iuup(tvbuff_t* tvb_in, packet_info* pinfo, proto_tree* tree) {
|
|
proto_item* pi;
|
|
proto_item* iuup_item = NULL;
|
|
proto_item* pdutype_item = NULL;
|
|
proto_tree* iuup_tree = NULL;
|
|
proto_item* proc_item = NULL;
|
|
proto_item* ack_item = NULL;
|
|
guint8 first_octet;
|
|
guint8 second_octet;
|
|
guint8 pdutype;
|
|
guint phdr = 0;
|
|
guint16 hdrcrc6;
|
|
guint16 crccheck;
|
|
tvbuff_t* tvb = tvb_in;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IuUP");
|
|
|
|
if (two_byte_pseudoheader) {
|
|
int len = tvb_length(tvb_in) - 2;
|
|
|
|
phdr = tvb_get_ntohs(tvb,0);
|
|
|
|
proto_tree_add_item(tree,hf_iuup_direction,tvb,0,2,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree,hf_iuup_circuit_id,tvb,0,2,ENC_BIG_ENDIAN);
|
|
|
|
phdr &= 0x7fff;
|
|
|
|
pinfo->circuit_id = phdr;
|
|
|
|
tvb = tvb_new_subset(tvb_in,2,len,len);
|
|
}
|
|
|
|
first_octet = tvb_get_guint8(tvb,0);
|
|
second_octet = tvb_get_guint8(tvb,1);
|
|
hdrcrc6 = tvb_get_guint8(tvb, 2) >> 2;
|
|
crccheck = update_crc6_by_bytes(hdrcrc6, first_octet, second_octet);
|
|
|
|
pdutype = ( first_octet & PDUTYPE_MASK ) >> 4;
|
|
|
|
if (tree) {
|
|
iuup_item = proto_tree_add_item(tree,proto_iuup,tvb,0,-1,ENC_NA);
|
|
iuup_tree = proto_item_add_subtree(iuup_item,ett_iuup);
|
|
|
|
pdutype_item = proto_tree_add_item(iuup_tree,hf_iuup_pdu_type,tvb,0,1,ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(pdutype, iuup_colinfo_pdu_types, "Unknown PDU Type(%u) "));
|
|
|
|
switch(pdutype) {
|
|
case PDUTYPE_DATA_WITH_CRC:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,"FN: %x RFCI: %u", (guint)(first_octet & 0x0f) ,(guint)(second_octet & 0x3f));
|
|
|
|
proto_tree_add_item(iuup_tree,hf_iuup_frame_number,tvb,0,1,ENC_BIG_ENDIAN);
|
|
pi = proto_tree_add_item(iuup_tree,hf_iuup_fqc,tvb,1,1,ENC_BIG_ENDIAN);
|
|
|
|
if (first_octet & FQC_MASK) {
|
|
expert_add_info(pinfo, pi, &ei_iuup_error_response);
|
|
}
|
|
|
|
if (!tree) return;
|
|
proto_tree_add_item(iuup_tree,hf_iuup_rfci,tvb,1,1,ENC_BIG_ENDIAN);
|
|
add_hdr_crc(tvb, pinfo, iuup_tree, crccheck);
|
|
add_payload_crc(tvb, pinfo, iuup_tree);
|
|
dissect_iuup_payload(tvb,pinfo,iuup_tree,second_octet & 0x3f,4);
|
|
return;
|
|
case PDUTYPE_DATA_NO_CRC:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO," RFCI %u", (guint)(second_octet & 0x3f));
|
|
|
|
proto_tree_add_item(iuup_tree,hf_iuup_frame_number,tvb,0,1,ENC_BIG_ENDIAN);
|
|
pi = proto_tree_add_item(iuup_tree,hf_iuup_fqc,tvb,1,1,ENC_BIG_ENDIAN);
|
|
|
|
if (first_octet & FQC_MASK) {
|
|
expert_add_info(pinfo, pi, &ei_iuup_error_response);
|
|
}
|
|
|
|
if (!tree)
|
|
return;
|
|
proto_tree_add_item(iuup_tree,hf_iuup_rfci,tvb,1,1,ENC_BIG_ENDIAN);
|
|
add_hdr_crc(tvb, pinfo, iuup_tree, crccheck);
|
|
dissect_iuup_payload(tvb,pinfo,iuup_tree,second_octet & 0x3f,3);
|
|
return;
|
|
case PDUTYPE_DATA_CONTROL_PROC:
|
|
if (tree) {
|
|
ack_item = proto_tree_add_item(iuup_tree,hf_iuup_ack_nack,tvb,0,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(iuup_tree,hf_iuup_frame_number_t14,tvb,0,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(iuup_tree,hf_iuup_mode_version,tvb,1,1,ENC_BIG_ENDIAN);
|
|
proc_item = proto_tree_add_item(iuup_tree,hf_iuup_procedure_indicator,tvb,1,1,ENC_BIG_ENDIAN);
|
|
add_hdr_crc(tvb, pinfo, iuup_tree, crccheck);
|
|
}
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(first_octet & ACKNACK_MASK,
|
|
iuup_colinfo_acknack_vals, "[action:%u] "));
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(second_octet & PROCEDURE_MASK,
|
|
iuup_colinfo_procedures, "[proc:%u] "));
|
|
|
|
switch ( first_octet & ACKNACK_MASK ) {
|
|
case ACKNACK_ACK:
|
|
switch(second_octet & PROCEDURE_MASK) {
|
|
case PROC_INIT:
|
|
if (!tree) return;
|
|
proto_tree_add_item(iuup_tree,hf_iuup_spare_03,tvb,2,1,ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(iuup_tree,hf_iuup_spare_ff,tvb,3,1,ENC_BIG_ENDIAN);
|
|
return;
|
|
case PROC_RATE:
|
|
if (!tree) return;
|
|
dissect_iuup_ratectl(tvb,pinfo,iuup_tree);
|
|
return;
|
|
case PROC_TIME:
|
|
case PROC_ERROR:
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, proc_item, &ei_iuup_procedure_indicator);
|
|
return;
|
|
}
|
|
break;
|
|
case ACKNACK_NACK:
|
|
pi = proto_tree_add_item(iuup_tree,hf_iuup_error_cause_val,tvb,4,1,ENC_BIG_ENDIAN);
|
|
expert_add_info(pinfo, pi, &ei_iuup_error_response);
|
|
return;
|
|
case ACKNACK_RESERVED:
|
|
expert_add_info(pinfo, ack_item, &ei_iuup_ack_nack);
|
|
return;
|
|
case ACKNACK_PROC:
|
|
break;
|
|
}
|
|
|
|
switch( second_octet & PROCEDURE_MASK ) {
|
|
case PROC_INIT:
|
|
if (tree) add_payload_crc(tvb, pinfo, iuup_tree);
|
|
dissect_iuup_init(tvb,pinfo,iuup_tree);
|
|
return;
|
|
case PROC_RATE:
|
|
if (!tree) return;
|
|
add_payload_crc(tvb, pinfo, iuup_tree);
|
|
dissect_iuup_ratectl(tvb,pinfo,iuup_tree);
|
|
return;
|
|
case PROC_TIME:
|
|
{
|
|
proto_tree* time_tree;
|
|
guint ta;
|
|
|
|
ta = tvb_get_guint8(tvb,4);
|
|
|
|
pi = proto_tree_add_item(iuup_tree,hf_iuup_time_align,tvb,4,1,ENC_BIG_ENDIAN);
|
|
time_tree = proto_item_add_subtree(pi,ett_time);
|
|
|
|
if (ta >= 1 && ta <= 80) {
|
|
pi = proto_tree_add_uint(time_tree,hf_iuup_delay,tvb,4,1,ta * 500);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
pi = proto_tree_add_float(time_tree,hf_iuup_delta,tvb,4,1,((gfloat)((gint)(ta) * 500))/(gfloat)1000000.0);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
} else if (ta >= 129 && ta <= 208) {
|
|
pi = proto_tree_add_uint(time_tree,hf_iuup_advance,tvb,4,1,(ta-128) * 500);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
pi = proto_tree_add_float(time_tree,hf_iuup_delta,tvb,4,1,((gfloat)((gint)(-(((gint)ta)-128))) * 500)/(gfloat)1000000.0);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
} else {
|
|
expert_add_info(pinfo, pi, &ei_iuup_time_align);
|
|
}
|
|
|
|
proto_tree_add_item(iuup_tree,hf_iuup_spare_bytes,tvb,5,-1,ENC_NA);
|
|
return;
|
|
}
|
|
case PROC_ERROR:
|
|
col_append_str(pinfo->cinfo, COL_INFO, val_to_str(tvb_get_guint8(tvb,4) & 0x3f,iuup_error_causes,"Unknown (%u)"));
|
|
|
|
proto_tree_add_item(iuup_tree,hf_iuup_error_distance,tvb,4,1,ENC_BIG_ENDIAN);
|
|
pi = proto_tree_add_item(iuup_tree,hf_iuup_errorevt_cause_val,tvb,4,1,ENC_BIG_ENDIAN);
|
|
expert_add_info(pinfo, pi, &ei_iuup_error_response);
|
|
proto_tree_add_item(iuup_tree,hf_iuup_spare_bytes,tvb,5,-1,ENC_NA);
|
|
return;
|
|
default: /* bad */
|
|
expert_add_info(pinfo, proc_item, &ei_iuup_procedure_indicator);
|
|
return;
|
|
}
|
|
default:
|
|
expert_add_info(pinfo, pdutype_item, &ei_iuup_pdu_type);
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
static gboolean dissect_iuup_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
|
|
int len = tvb_length(tvb);
|
|
|
|
guint8 first_octet = tvb_get_guint8(tvb,0);
|
|
guint8 second_octet = tvb_get_guint8(tvb,1);
|
|
guint16 hdrcrc6 = tvb_get_guint8(tvb, 2) >> 2;
|
|
|
|
if (update_crc6_by_bytes(hdrcrc6, first_octet, second_octet)) return FALSE;
|
|
|
|
switch ( first_octet & 0xf0 ) {
|
|
case 0x00: {
|
|
if (len<7) return FALSE;
|
|
if (update_crc10_by_bytes((guint16)(tvb_get_ntohs(tvb, 4) & 0x3FF), tvb_get_ptr(tvb, 6, len-4), len-4) ) return FALSE;
|
|
break;
|
|
}
|
|
case 0x10:
|
|
/* a FALSE positive factory */
|
|
if (len<5) return FALSE;
|
|
break;
|
|
case 0xe0:
|
|
if (len<5) return FALSE;
|
|
if( (second_octet & 0x0f) > 3) return FALSE;
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
|
|
dissect_iuup(tvb, pinfo, tree);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static void find_iuup(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
|
|
int len = tvb_length(tvb);
|
|
int offset = 0;
|
|
|
|
while (len > 3) {
|
|
if ( dissect_iuup_heur(tvb_new_subset_remaining(tvb,offset), pinfo, tree) )
|
|
return;
|
|
|
|
offset++;
|
|
len--;
|
|
}
|
|
|
|
call_dissector(data_handle, tvb, pinfo, tree);
|
|
}
|
|
|
|
static void init_iuup(void) {
|
|
if (circuits)
|
|
g_hash_table_destroy(circuits);
|
|
circuits = g_hash_table_new(g_direct_hash,g_direct_equal);
|
|
}
|
|
|
|
|
|
void proto_reg_handoff_iuup(void) {
|
|
static gboolean iuup_prefs_initialized = FALSE;
|
|
static dissector_handle_t iuup_handle;
|
|
static guint saved_dynamic_payload_type = 0;
|
|
|
|
if (!iuup_prefs_initialized) {
|
|
iuup_handle = find_dissector("iuup");
|
|
dissector_add_string("rtp_dyn_payload_type","VND.3GPP.IUFP", iuup_handle);
|
|
data_handle = find_dissector("data");
|
|
iuup_prefs_initialized = TRUE;
|
|
} else {
|
|
if ( saved_dynamic_payload_type > 95 ) {
|
|
dissector_delete_uint("rtp.pt", saved_dynamic_payload_type, iuup_handle);
|
|
}
|
|
}
|
|
|
|
saved_dynamic_payload_type = global_dynamic_payload_type;
|
|
|
|
if ( global_dynamic_payload_type > 95 ) {
|
|
dissector_add_uint("rtp.pt", global_dynamic_payload_type, iuup_handle);
|
|
}
|
|
}
|
|
|
|
|
|
#define HFS_RFCI(i) \
|
|
{ &hf_iuup_rfci_ratectl[i], { "RFCI " #i, "iuup.rfci." #i, FT_UINT8, BASE_DEC, VALS(iuup_rfci_indicator),0x80>>(i%8),NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci[i], { "RFCI " #i, "iuup.rfci." #i, FT_UINT8, BASE_DEC, NULL,0x3f,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][0], { "RFCI " #i " Flow 0 Len", "iuup.rfci."#i".flow.0.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][1], { "RFCI " #i " Flow 1 Len", "iuup.rfci."#i".flow.1.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][2], { "RFCI " #i " Flow 2 Len", "iuup.rfci."#i".flow.2.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][3], { "RFCI " #i " Flow 3 Len", "iuup.rfci."#i".flow.3.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][4], { "RFCI " #i " Flow 4 Len", "iuup.rfci."#i".flow.4.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][5], { "RFCI " #i " Flow 5 Len", "iuup.rfci."#i".flow.5.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][6], { "RFCI " #i " Flow 6 Len", "iuup.rfci."#i".flow.6.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_flow_len[i][7], { "RFCI " #i " Flow 7 Len", "iuup.rfci."#i".flow.7.len", FT_UINT16, BASE_DEC, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_rfci_li[i], { "RFCI " #i " LI", "iuup.rfci."#i".li", FT_UINT8, BASE_HEX, VALS(iuup_init_rfci_li_vals),0x40,"Length Indicator",HFILL}}, \
|
|
{ &hf_iuup_init_rfci_lri[i], { "RFCI " #i " LRI", "iuup.rfci."#i".lri", FT_UINT8, BASE_HEX, VALS(iuup_init_lri_vals),0x80,"Last Record Indicator",HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][0], { "RFCI " #i " Flow 0", "iuup.rfci."#i".flow.0", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][1], { "RFCI " #i " Flow 1", "iuup.rfci."#i".flow.1", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][2], { "RFCI " #i " Flow 2", "iuup.rfci."#i".flow.2", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][3], { "RFCI " #i " Flow 3", "iuup.rfci."#i".flow.3", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][4], { "RFCI " #i " Flow 4", "iuup.rfci."#i".flow.4", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][5], { "RFCI " #i " Flow 5", "iuup.rfci."#i".flow.5", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][6], { "RFCI " #i " Flow 6", "iuup.rfci."#i".flow.6", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_rfci_subflow[i][7], { "RFCI " #i " Flow 7", "iuup.rfci."#i".flow.7", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}}, \
|
|
{ &hf_iuup_init_ipti[i], { "RFCI " #i " IPTI", "iuup.rfci."#i".ipti", FT_UINT8, BASE_HEX, NULL,i%2 ? 0x0F : 0xF0,NULL,HFILL}}
|
|
|
|
|
|
|
|
void proto_register_iuup(void) {
|
|
static hf_register_info hf[] = {
|
|
{ &hf_iuup_direction, { "Frame Direction", "iuup.direction", FT_UINT16, BASE_DEC, NULL,0x8000,NULL,HFILL}},
|
|
{ &hf_iuup_circuit_id, { "Circuit ID", "iuup.circuit_id", FT_UINT16, BASE_DEC, NULL,0x7fff,NULL,HFILL}},
|
|
{ &hf_iuup_pdu_type, { "PDU Type", "iuup.pdu_type", FT_UINT8, BASE_DEC, VALS(iuup_pdu_types),0xf0,NULL,HFILL}},
|
|
{ &hf_iuup_frame_number, { "Frame Number", "iuup.framenum", FT_UINT8, BASE_DEC, NULL,0x0F,NULL,HFILL}},
|
|
{ &hf_iuup_fqc, { "FQC", "iuup.fqc", FT_UINT8, BASE_DEC, VALS(iuup_fqcs),0xc0,"Frame Quality Classification",HFILL}},
|
|
{ &hf_iuup_rfci, { "RFCI", "iuup.rfci", FT_UINT8, BASE_HEX, NULL, 0x3f, "RAB sub-Flow Combination Indicator",HFILL}},
|
|
{ &hf_iuup_hdr_crc, { "Header CRC", "iuup.header_crc", FT_UINT8, BASE_HEX, NULL,0xfc,NULL,HFILL}},
|
|
{ &hf_iuup_payload_crc, { "Payload CRC", "iuup.payload_crc", FT_UINT16, BASE_HEX, NULL,0x03FF,NULL,HFILL}},
|
|
{ &hf_iuup_ack_nack, { "Ack/Nack", "iuup.ack", FT_UINT8, BASE_DEC, VALS(iuup_acknack_vals),0x0c,NULL,HFILL}},
|
|
{ &hf_iuup_frame_number_t14, { "Frame Number", "iuup.framenum_t14", FT_UINT8, BASE_DEC, NULL,0x03,NULL,HFILL}},
|
|
{ &hf_iuup_mode_version, { "Mode Version", "iuup.mode", FT_UINT8, BASE_HEX, NULL,0xf0,NULL,HFILL}},
|
|
{ &hf_iuup_procedure_indicator, { "Procedure", "iuup.procedure", FT_UINT8, BASE_DEC, VALS(iuup_procedures),0x0f,NULL,HFILL}},
|
|
{ &hf_iuup_error_cause_val, { "Error Cause", "iuup.error_cause", FT_UINT8, BASE_DEC, VALS(iuup_error_causes),0xfc,NULL,HFILL}},
|
|
{ &hf_iuup_error_distance, { "Error DISTANCE", "iuup.error_distance", FT_UINT8, BASE_DEC, VALS(iuup_error_distances),0xc0,NULL,HFILL}},
|
|
{ &hf_iuup_errorevt_cause_val, { "Error Cause", "iuup.errorevt_cause", FT_UINT8, BASE_DEC, NULL,0x3f,NULL,HFILL}},
|
|
{ &hf_iuup_time_align, { "Time Align", "iuup.time_align", FT_UINT8, BASE_HEX, NULL,0x0,NULL,HFILL}},
|
|
{ &hf_iuup_data_pdu_type, { "RFCI Data Pdu Type", "iuup.data_pdu_type", FT_UINT8, BASE_HEX, VALS(iuup_payload_pdu_type),0xF0,NULL,HFILL}},
|
|
|
|
{ &hf_iuup_spare_03, { "Spare", "iuup.spare", FT_UINT8, BASE_HEX, NULL,0x03,NULL,HFILL}},
|
|
#if 0
|
|
{ &hf_iuup_spare_0f, { "Spare", "iuup.spare", FT_UINT8, BASE_HEX, NULL,0x0f,NULL,HFILL}},
|
|
#endif
|
|
#if 0
|
|
{ &hf_iuup_spare_c0, { "Spare", "iuup.spare", FT_UINT8, BASE_HEX, NULL,0xc0,NULL,HFILL}},
|
|
#endif
|
|
{ &hf_iuup_spare_e0, { "Spare", "iuup.spare", FT_UINT8, BASE_HEX, NULL,0xe0,NULL,HFILL}},
|
|
{ &hf_iuup_spare_ff, { "Spare", "iuup.spare", FT_UINT8, BASE_HEX, NULL,0xff,NULL,HFILL}},
|
|
{ &hf_iuup_spare_bytes, { "Spare", "iuup.spare_bytes", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}},
|
|
|
|
{ &hf_iuup_delay, { "Delay", "iuup.delay", FT_UINT32, BASE_HEX, NULL,0x0,NULL,HFILL}},
|
|
{ &hf_iuup_advance, { "Advance", "iuup.advance", FT_UINT32, BASE_HEX, NULL,0x0,NULL,HFILL}},
|
|
{ &hf_iuup_delta, { "Delta Time", "iuup.delta", FT_FLOAT, BASE_NONE, NULL,0x0,NULL,HFILL}},
|
|
|
|
{ &hf_iuup_init_ti, { "TI", "iuup.ti", FT_UINT8, BASE_DEC, VALS(iuup_ti_vals),0x10,"Timing Information",HFILL}},
|
|
{ &hf_iuup_init_subflows_per_rfci, { "Subflows", "iuup.subflows", FT_UINT8, BASE_DEC, NULL,0x0e,"Number of Subflows",HFILL}},
|
|
{ &hf_iuup_init_chain_ind, { "Chain Indicator", "iuup.chain_ind", FT_UINT8, BASE_DEC, VALS(iuup_init_chain_ind_vals),0x01,NULL,HFILL}},
|
|
{ &hf_iuup_payload, { "Payload Data", "iuup.payload_data", FT_BYTES, BASE_NONE, NULL,0x00,NULL,HFILL}},
|
|
|
|
|
|
{ &hf_iuup_mode_versions, { "Iu UP Mode Versions Supported", "iuup.support_mode", FT_UINT16, BASE_HEX, NULL,0x0,NULL,HFILL}},
|
|
|
|
{ &hf_iuup_mode_versions_a[ 0], { "Version 16", "iuup.support_mode.version16", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x8000,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 1], { "Version 15", "iuup.support_mode.version15", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x4000,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 2], { "Version 14", "iuup.support_mode.version14", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x2000,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 3], { "Version 13", "iuup.support_mode.version13", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x1000,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 4], { "Version 12", "iuup.support_mode.version12", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0800,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 5], { "Version 11", "iuup.support_mode.version11", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0400,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 6], { "Version 10", "iuup.support_mode.version10", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0200,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 7], { "Version 9", "iuup.support_mode.version9", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0100,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 8], { "Version 8", "iuup.support_mode.version8", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0080,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[ 9], { "Version 7", "iuup.support_mode.version7", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0040,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[10], { "Version 6", "iuup.support_mode.version6", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0020,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[11], { "Version 5", "iuup.support_mode.version5", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0010,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[12], { "Version 4", "iuup.support_mode.version4", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0008,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[13], { "Version 3", "iuup.support_mode.version3", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0004,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[14], { "Version 2", "iuup.support_mode.version2", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0002,NULL,HFILL}},
|
|
{ &hf_iuup_mode_versions_a[15], { "Version 1", "iuup.support_mode.version1", FT_UINT16, BASE_HEX, VALS(iuup_mode_version_support),0x0001,NULL,HFILL}},
|
|
|
|
{ &hf_iuup_num_rfci_ind, { "Number of RFCI Indicators", "iuup.p", FT_UINT8, BASE_HEX, NULL,0x3f,NULL,HFILL}},
|
|
{ &hf_iuup_init_rfci_ind, { "RFCI Initialization", "iuup.rfci.init", FT_BYTES, BASE_NONE, NULL,0x0,NULL,HFILL}},
|
|
|
|
HFS_RFCI(0),HFS_RFCI(1),HFS_RFCI(2),HFS_RFCI(3),HFS_RFCI(4),HFS_RFCI(5),HFS_RFCI(6),HFS_RFCI(7),
|
|
HFS_RFCI(8),HFS_RFCI(9),HFS_RFCI(10),HFS_RFCI(11),HFS_RFCI(12),HFS_RFCI(13),HFS_RFCI(14),HFS_RFCI(15),
|
|
HFS_RFCI(16),HFS_RFCI(17),HFS_RFCI(18),HFS_RFCI(19),HFS_RFCI(20),HFS_RFCI(21),HFS_RFCI(22),HFS_RFCI(23),
|
|
HFS_RFCI(24),HFS_RFCI(25),HFS_RFCI(26),HFS_RFCI(27),HFS_RFCI(28),HFS_RFCI(29),HFS_RFCI(30),HFS_RFCI(31),
|
|
HFS_RFCI(32),HFS_RFCI(33),HFS_RFCI(34),HFS_RFCI(35),HFS_RFCI(36),HFS_RFCI(37),HFS_RFCI(38),HFS_RFCI(39),
|
|
HFS_RFCI(40),HFS_RFCI(41),HFS_RFCI(42),HFS_RFCI(43),HFS_RFCI(44),HFS_RFCI(45),HFS_RFCI(46),HFS_RFCI(47),
|
|
HFS_RFCI(48),HFS_RFCI(49),HFS_RFCI(50),HFS_RFCI(51),HFS_RFCI(52),HFS_RFCI(53),HFS_RFCI(54),HFS_RFCI(55),
|
|
HFS_RFCI(56),HFS_RFCI(57),HFS_RFCI(58),HFS_RFCI(59),HFS_RFCI(60),HFS_RFCI(61),HFS_RFCI(62),HFS_RFCI(63)
|
|
|
|
};
|
|
|
|
|
|
gint* ett[] = {
|
|
&ett_iuup,
|
|
&ett_rfci,
|
|
&ett_ipti,
|
|
&ett_support,
|
|
&ett_time,
|
|
&ett_rfciinds,
|
|
&ett_payload,
|
|
&ett_payload_subflows
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_iuup_hdr_crc_bad, { "iuup.hdr.crc.bad", PI_CHECKSUM, PI_ERROR, "Bad checksum", EXPFILL }},
|
|
{ &ei_iuup_payload_crc_bad, { "iuup.payload.crc.bad", PI_CHECKSUM, PI_ERROR, "Bad checksum", EXPFILL }},
|
|
{ &ei_iuup_payload_undecoded, { "iuup.payload.undecoded", PI_UNDECODED, PI_WARN, "Undecoded payload", EXPFILL }},
|
|
{ &ei_iuup_error_response, { "iuup.error_response", PI_RESPONSE_CODE, PI_ERROR, "Error response", EXPFILL }},
|
|
{ &ei_iuup_ack_nack, { "iuup.ack.malformed", PI_MALFORMED, PI_ERROR, "Malformed Ack/Nack", EXPFILL }},
|
|
{ &ei_iuup_time_align, { "iuup.time_align.malformed", PI_MALFORMED, PI_ERROR, "Malformed Time Align", EXPFILL }},
|
|
{ &ei_iuup_procedure_indicator, { "iuup.procedure.malformed", PI_MALFORMED, PI_ERROR, "Malformed Procedure", EXPFILL }},
|
|
{ &ei_iuup_pdu_type, { "iuup.pdu_type.malformed", PI_MALFORMED, PI_ERROR, "Malformed PDU Type", EXPFILL }},
|
|
};
|
|
|
|
module_t *iuup_module;
|
|
expert_module_t* expert_iuup;
|
|
|
|
proto_iuup = proto_register_protocol("IuUP", "IuUP", "iuup");
|
|
proto_register_field_array(proto_iuup, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_iuup = expert_register_protocol(proto_iuup);
|
|
expert_register_field_array(expert_iuup, ei, array_length(ei));
|
|
register_dissector("iuup", dissect_iuup, proto_iuup);
|
|
register_dissector("find_iuup", find_iuup, proto_iuup);
|
|
|
|
register_init_routine(&init_iuup);
|
|
|
|
iuup_module = prefs_register_protocol(proto_iuup, proto_reg_handoff_iuup);
|
|
|
|
prefs_register_bool_preference(iuup_module, "dissect_payload",
|
|
"Dissect IuUP Payload bits",
|
|
"Whether IuUP Payload bits should be dissected",
|
|
&dissect_fields);
|
|
|
|
prefs_register_bool_preference(iuup_module, "two_byte_pseudoheader",
|
|
"Two byte pseudoheader",
|
|
"The payload contains a two byte pseudoheader indicating direction and circuit_id",
|
|
&two_byte_pseudoheader);
|
|
|
|
prefs_register_uint_preference(iuup_module, "dynamic.payload.type",
|
|
"IuUP dynamic payload type",
|
|
"The dynamic payload type which will be interpreted as IuUP",
|
|
10,
|
|
&global_dynamic_payload_type);
|
|
}
|
|
|