2012-07-29 16:57:54 +00:00
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/* packet-dvb-s2-bb.c
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* Routines for DVB Dynamic Mode Adaption dissection
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2012-11-25 23:33:11 +00:00
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* refer to
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* http://satlabs.org/pdf/sl_561_Mode_Adaptation_Input_and_Output_Interfaces_for_DVB-S2_Equipment_v1.3.pdf
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2012-07-31 05:37:57 +00:00
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*
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2012-07-29 16:57:54 +00:00
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* Standards:
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* ETSI EN 302 307 - Digital Video Broadcasting (DVB) - Framing Structure
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* ETSI TS 102 606 - Digital Video Broadcasting (DVB) - Generic Stream Encapsulation (GSE) Protocol
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*
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* Copyright 2012, Tobias Rutz <tobias.rutz@work-microwave.de>
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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/etypes.h>
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#define BIT_IS_SET(var, bit) ((var) & (1 << (bit)))
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#define BIT_IS_CLEAR(var, bit) !BIT_IS_SET(var, bit)
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2012-11-25 23:33:11 +00:00
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#define DVB_S2_MODEADAPT_MINSIZE (DVB_S2_MODEADAPT_OUTSIZE + DVB_S2_BB_OFFS_CRC + 1)
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#define DVB_S2_MODEADAPT_INSIZE 2
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#define DVB_S2_MODEADAPT_OUTSIZE 4
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2012-07-29 16:57:54 +00:00
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/* CRC table crc-8, poly=0xD5 */
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static guint8 crc8_table[256] = {
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0x00, 0xD5, 0x7F, 0xAA, 0xFE, 0x2B, 0x81, 0x54, 0x29, 0xFC, 0x56, 0x83, 0xD7, 0x02, 0xA8, 0x7D,
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0x52, 0x87, 0x2D, 0xF8, 0xAC, 0x79, 0xD3, 0x06, 0x7B, 0xAE, 0x04, 0xD1, 0x85, 0x50, 0xFA, 0x2F,
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0xA4, 0x71, 0xDB, 0x0E, 0x5A, 0x8F, 0x25, 0xF0, 0x8D, 0x58, 0xF2, 0x27, 0x73, 0xA6, 0x0C, 0xD9,
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0xF6, 0x23, 0x89, 0x5C, 0x08, 0xDD, 0x77, 0xA2, 0xDF, 0x0A, 0xA0, 0x75, 0x21, 0xF4, 0x5E, 0x8B,
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0x9D, 0x48, 0xE2, 0x37, 0x63, 0xB6, 0x1C, 0xC9, 0xB4, 0x61, 0xCB, 0x1E, 0x4A, 0x9F, 0x35, 0xE0,
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0xCF, 0x1A, 0xB0, 0x65, 0x31, 0xE4, 0x4E, 0x9B, 0xE6, 0x33, 0x99, 0x4C, 0x18, 0xCD, 0x67, 0xB2,
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0x39, 0xEC, 0x46, 0x93, 0xC7, 0x12, 0xB8, 0x6D, 0x10, 0xC5, 0x6F, 0xBA, 0xEE, 0x3B, 0x91, 0x44,
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0x6B, 0xBE, 0x14, 0xC1, 0x95, 0x40, 0xEA, 0x3F, 0x42, 0x97, 0x3D, 0xE8, 0xBC, 0x69, 0xC3, 0x16,
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0xEF, 0x3A, 0x90, 0x45, 0x11, 0xC4, 0x6E, 0xBB, 0xC6, 0x13, 0xB9, 0x6C, 0x38, 0xED, 0x47, 0x92,
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0xBD, 0x68, 0xC2, 0x17, 0x43, 0x96, 0x3C, 0xE9, 0x94, 0x41, 0xEB, 0x3E, 0x6A, 0xBF, 0x15, 0xC0,
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0x4B, 0x9E, 0x34, 0xE1, 0xB5, 0x60, 0xCA, 0x1F, 0x62, 0xB7, 0x1D, 0xC8, 0x9C, 0x49, 0xE3, 0x36,
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0x19, 0xCC, 0x66, 0xB3, 0xE7, 0x32, 0x98, 0x4D, 0x30, 0xE5, 0x4F, 0x9A, 0xCE, 0x1B, 0xB1, 0x64,
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0x72, 0xA7, 0x0D, 0xD8, 0x8C, 0x59, 0xF3, 0x26, 0x5B, 0x8E, 0x24, 0xF1, 0xA5, 0x70, 0xDA, 0x0F,
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0x20, 0xF5, 0x5F, 0x8A, 0xDE, 0x0B, 0xA1, 0x74, 0x09, 0xDC, 0x76, 0xA3, 0xF7, 0x22, 0x88, 0x5D,
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0xD6, 0x03, 0xA9, 0x7C, 0x28, 0xFD, 0x57, 0x82, 0xFF, 0x2A, 0x80, 0x55, 0x01, 0xD4, 0x7E, 0xAB,
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0x84, 0x51, 0xFB, 0x2E, 0x7A, 0xAF, 0x05, 0xD0, 0xAD, 0x78, 0xD2, 0x07, 0x53, 0x86, 0x2C, 0xF9
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};
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2013-03-16 16:25:41 +00:00
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2012-07-29 16:57:54 +00:00
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static dissector_handle_t ip_handle;
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static dissector_handle_t ipv6_handle;
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2013-03-17 09:11:21 +00:00
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void proto_register_dvb_s2_modeadapt(void);
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2012-07-29 16:57:54 +00:00
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void proto_reg_handoff_dvb_s2_modeadapt(void);
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/* preferences */
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2012-08-10 22:20:28 +00:00
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static gboolean dvb_s2_enable = FALSE;
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2012-07-29 16:57:54 +00:00
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static gboolean dvb_s2_full_dissection = FALSE;
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/* Initialize the protocol and registered fields */
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static int proto_dvb_s2_modeadapt = -1;
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static int hf_dvb_s2_modeadapt_sync = -1;
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static int hf_dvb_s2_modeadapt_acm = -1;
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static int hf_dvb_s2_modeadapt_acm_fecframe = -1;
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static int hf_dvb_s2_modeadapt_acm_pilot = -1;
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static int hf_dvb_s2_modeadapt_acm_modcod = -1;
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static int hf_dvb_s2_modeadapt_cni = -1;
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static int hf_dvb_s2_modeadapt_frameno = -1;
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static int proto_dvb_s2_bb = -1;
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static int hf_dvb_s2_bb_matype1 = -1;
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static int hf_dvb_s2_bb_matype1_gs = -1;
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static int hf_dvb_s2_bb_matype1_mis = -1;
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static int hf_dvb_s2_bb_matype1_acm = -1;
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static int hf_dvb_s2_bb_matype1_issyi = -1;
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static int hf_dvb_s2_bb_matype1_npd = -1;
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static int hf_dvb_s2_bb_matype1_ro = -1;
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static int hf_dvb_s2_bb_matype2 = -1;
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static int hf_dvb_s2_bb_upl = -1;
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static int hf_dvb_s2_bb_dfl = -1;
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static int hf_dvb_s2_bb_sync = -1;
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static int hf_dvb_s2_bb_syncd = -1;
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static int hf_dvb_s2_bb_crc = -1;
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static int proto_dvb_s2_gse = -1;
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static int hf_dvb_s2_gse_hdr = -1;
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static int hf_dvb_s2_gse_hdr_start = -1;
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static int hf_dvb_s2_gse_hdr_stop = -1;
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static int hf_dvb_s2_gse_hdr_labeltype = -1;
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static int hf_dvb_s2_gse_hdr_length = -1;
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static int hf_dvb_s2_gse_proto = -1;
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static int hf_dvb_s2_gse_label6 = -1;
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static int hf_dvb_s2_gse_label3 = -1;
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static int hf_dvb_s2_gse_fragid = -1;
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static int hf_dvb_s2_gse_totlength = -1;
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static int hf_dvb_s2_gse_exthdr = -1;
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static int hf_dvb_s2_gse_data = -1;
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static int hf_dvb_s2_gse_crc32 = -1;
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/* Initialize the subtree pointers */
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static gint ett_dvb_s2_modeadapt = -1;
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static gint ett_dvb_s2_modeadapt_acm = -1;
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static gint ett_dvb_s2_bb = -1;
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static gint ett_dvb_s2_bb_matype1 = -1;
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static gint ett_dvb_s2_gse = -1;
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static gint ett_dvb_s2_gse_hdr = -1;
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/* *** DVB-S2 Modeadaption Header *** */
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/* first byte */
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2012-11-25 23:33:11 +00:00
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#define DVB_S2_MODEADAPT_OFFS_SYNCBYTE 0
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#define DVB_S2_MODEADAPT_SYNCBYTE 0xB8
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2012-07-29 16:57:54 +00:00
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/* second byte */
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#define DVB_S2_MODEADAPT_OFFS_ACMBYTE 1
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2012-11-25 23:33:11 +00:00
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#define DVB_S2_MODEADAPT_MODCODS_MASK 0x1F
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2012-07-29 16:57:54 +00:00
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static const value_string modeadapt_modcods[] = {
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2012-08-10 22:20:28 +00:00
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{ 0, "DUMMY PLFRAME"},
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{ 1, "QPSK 1/4"},
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{ 2, "QPSK 1/3"},
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{ 3, "QPSK 2/5"},
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{ 4, "QPSK 1/2"},
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{ 5, "QPSK 3/5"},
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{ 6, "QPSK 2/3"},
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{ 7, "QPSK 3/4"},
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{ 8, "QPSK 4/5"},
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{ 9, "QPSK 5/9"},
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2012-07-29 16:57:54 +00:00
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{10, "QPSK 8/9"},
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{11, "QPSK 9/10"},
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{12, "8PSK 3/5"},
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{13, "8PSK 2/3"},
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{14, "8PSK 3/4"},
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{15, "8PSK 5/6"},
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{16, "8PSK 8/9"},
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{17, "8PSK 9/10"},
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{18, "16APSK 2/3"},
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{19, "16APSK 3/4"},
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{20, "16APSK 4/5"},
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{21, "16APSK 5/6"},
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{22, "16APSK 8/9"},
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{23, "16APSK 9/10"},
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{24, "32APSK 3/4"},
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{25, "32APSK 4/5"},
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{26, "32APSK 5/6"},
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{27, "32APSK 8/9"},
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{28, "32APSK 9/10"},
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{29, "reserved"},
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{30, "reserved"},
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{31, "reserved"},
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{ 0, NULL}
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};
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2012-07-29 19:48:22 +00:00
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static value_string_ext modeadapt_modcods_ext = VALUE_STRING_EXT_INIT(modeadapt_modcods);
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2012-07-29 16:57:54 +00:00
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2012-11-25 23:33:11 +00:00
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#define DVB_S2_MODEADAPT_PILOTS_MASK 0x20
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2012-07-29 16:57:54 +00:00
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static const true_false_string tfs_modeadapt_pilots = {
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"pilots on",
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"pilots off"
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};
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2012-11-25 23:33:11 +00:00
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#define DVB_S2_MODEADAPT_FECFRAME_MASK 0x40
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2012-07-29 16:57:54 +00:00
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static const true_false_string tfs_modeadapt_fecframe = {
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"short",
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"normal"
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};
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/* third byte */
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#define DVB_S2_MODEADAPT_OFFS_CNI 2
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static const value_string modeadapt_esno[] = {
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2012-08-10 22:20:28 +00:00
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{ 0, "modem unlocked, SNR not available"},
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{ 1, "-1.000"},
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{ 2, "-0.875"},
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{ 3, "-0.750"},
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{ 4, "-0.625"},
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{ 5, "-0.500"},
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{ 6, "-0.375"},
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{ 7, "-0.250"},
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{ 8, "-0.125"},
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{ 9, "0.000"},
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{ 10, "0.125"},
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{ 11, "0.250"},
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{ 12, "0.375"},
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{ 13, "0.500"},
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{ 14, "0.625"},
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{ 15, "0.750"},
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{ 16, "0.875"},
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{ 17, "1.000"},
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{ 18, "1.125"},
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{ 19, "1.250"},
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{ 20, "1.375"},
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{ 21, "1.500"},
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{ 22, "1.625"},
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{ 23, "1.750"},
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{ 24, "1.875"},
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{ 25, "2.000"},
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{ 26, "2.125"},
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{ 27, "2.250"},
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{ 28, "2.375"},
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{ 29, "2.500"},
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{ 30, "2.625"},
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{ 31, "2.750"},
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{ 32, "2.875"},
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{ 33, "3.000"},
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{ 34, "3.125"},
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{ 35, "3.250"},
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{ 36, "3.375"},
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{ 37, "3.500"},
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{ 38, "3.625"},
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{ 39, "3.750"},
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{ 40, "3.875"},
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{ 41, "4.000"},
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{ 42, "4.125"},
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{ 43, "4.250"},
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{ 44, "4.375"},
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{ 45, "4.500"},
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{ 46, "4.625"},
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{ 47, "4.750"},
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{ 48, "4.875"},
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{ 49, "5.000"},
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{ 50, "5.125"},
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{ 51, "5.250"},
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{ 52, "5.375"},
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{ 53, "5.500"},
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{ 54, "5.625"},
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{ 55, "5.750"},
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{ 56, "5.875"},
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{ 57, "6.000"},
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{ 58, "6.125"},
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{ 59, "6.250"},
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{ 60, "6.375"},
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{ 61, "6.500"},
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{ 62, "6.625"},
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{ 63, "6.750"},
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{ 64, "6.875"},
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{ 65, "7.000"},
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{ 66, "7.125"},
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{ 67, "7.250"},
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{ 68, "7.375"},
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{ 69, "7.500"},
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{ 70, "7.625"},
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{ 71, "7.750"},
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{ 72, "7.875"},
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{ 73, "8.000"},
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{ 74, "8.125"},
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{ 75, "8.250"},
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{ 76, "8.375"},
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{ 77, "8.500"},
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{ 78, "8.625"},
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{ 79, "8.750"},
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{ 80, "8.875"},
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{ 81, "9.000"},
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{ 82, "9.125"},
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{ 83, "9.250"},
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{ 84, "9.375"},
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{ 85, "9.500"},
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{ 86, "9.625"},
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{ 87, "9.750"},
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{ 88, "9.875"},
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{ 89, "10.000"},
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{ 90, "10.125"},
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|
|
{ 91, "10.250"},
|
|
|
|
{ 92, "10.375"},
|
|
|
|
{ 93, "10.500"},
|
|
|
|
{ 94, "10.625"},
|
|
|
|
{ 95, "10.750"},
|
|
|
|
{ 96, "10.875"},
|
|
|
|
{ 97, "11.000"},
|
|
|
|
{ 98, "11.125"},
|
|
|
|
{ 99, "11.250"},
|
2012-07-29 16:57:54 +00:00
|
|
|
{100, "11.375"},
|
|
|
|
{101, "11.500"},
|
|
|
|
{102, "11.625"},
|
|
|
|
{103, "11.750"},
|
|
|
|
{104, "11.875"},
|
|
|
|
{105, "12.000"},
|
|
|
|
{106, "12.125"},
|
|
|
|
{107, "12.250"},
|
|
|
|
{108, "12.375"},
|
|
|
|
{109, "12.500"},
|
|
|
|
{110, "12.625"},
|
|
|
|
{111, "12.750"},
|
|
|
|
{112, "12.875"},
|
|
|
|
{113, "13.000"},
|
|
|
|
{114, "13.125"},
|
|
|
|
{115, "13.250"},
|
|
|
|
{116, "13.375"},
|
|
|
|
{117, "13.500"},
|
|
|
|
{118, "13.625"},
|
|
|
|
{119, "13.750"},
|
|
|
|
{120, "13.875"},
|
|
|
|
{121, "14.000"},
|
|
|
|
{122, "14.125"},
|
|
|
|
{123, "14.250"},
|
|
|
|
{124, "14.375"},
|
|
|
|
{125, "14.500"},
|
|
|
|
{126, "14.625"},
|
|
|
|
{127, "14.750"},
|
|
|
|
{128, "14.875"},
|
|
|
|
{129, "15.000"},
|
|
|
|
{130, "15.125"},
|
|
|
|
{131, "15.250"},
|
|
|
|
{132, "15.375"},
|
|
|
|
{133, "15.500"},
|
|
|
|
{134, "15.625"},
|
|
|
|
{135, "15.750"},
|
|
|
|
{136, "15.875"},
|
|
|
|
{137, "16.000"},
|
|
|
|
{138, "16.125"},
|
|
|
|
{139, "16.250"},
|
|
|
|
{140, "16.375"},
|
|
|
|
{141, "16.500"},
|
|
|
|
{142, "16.625"},
|
|
|
|
{143, "16.750"},
|
|
|
|
{144, "16.875"},
|
|
|
|
{145, "17.000"},
|
|
|
|
{146, "17.125"},
|
|
|
|
{147, "17.250"},
|
|
|
|
{148, "17.375"},
|
|
|
|
{149, "17.500"},
|
|
|
|
{150, "17.625"},
|
|
|
|
{151, "17.750"},
|
|
|
|
{152, "17.875"},
|
|
|
|
{153, "18.000"},
|
|
|
|
{154, "18.125"},
|
|
|
|
{155, "18.250"},
|
|
|
|
{156, "18.375"},
|
|
|
|
{157, "18.500"},
|
|
|
|
{158, "18.625"},
|
|
|
|
{159, "18.750"},
|
|
|
|
{160, "18.875"},
|
|
|
|
{161, "19.000"},
|
|
|
|
{162, "19.125"},
|
|
|
|
{163, "19.250"},
|
|
|
|
{164, "19.375"},
|
|
|
|
{165, "19.500"},
|
|
|
|
{166, "19.625"},
|
|
|
|
{167, "19.750"},
|
|
|
|
{168, "19.875"},
|
|
|
|
{169, "20.000"},
|
|
|
|
{170, "20.125"},
|
|
|
|
{171, "20.250"},
|
|
|
|
{172, "20.375"},
|
|
|
|
{173, "20.500"},
|
|
|
|
{174, "20.625"},
|
|
|
|
{175, "20.750"},
|
|
|
|
{176, "20.875"},
|
|
|
|
{177, "21.000"},
|
|
|
|
{178, "21.125"},
|
|
|
|
{179, "21.250"},
|
|
|
|
{180, "21.375"},
|
|
|
|
{181, "21.500"},
|
|
|
|
{182, "21.625"},
|
|
|
|
{183, "21.750"},
|
|
|
|
{184, "21.875"},
|
|
|
|
{185, "22.000"},
|
|
|
|
{186, "22.125"},
|
|
|
|
{187, "22.250"},
|
|
|
|
{188, "22.375"},
|
|
|
|
{189, "22.500"},
|
|
|
|
{190, "22.625"},
|
|
|
|
{191, "22.750"},
|
|
|
|
{192, "22.875"},
|
|
|
|
{193, "23.000"},
|
|
|
|
{194, "23.125"},
|
|
|
|
{195, "23.250"},
|
|
|
|
{196, "23.375"},
|
|
|
|
{197, "23.500"},
|
|
|
|
{198, "23.625"},
|
|
|
|
{199, "23.750"},
|
|
|
|
{200, "23.875"},
|
|
|
|
{201, "24.000"},
|
|
|
|
{202, "24.125"},
|
|
|
|
{203, "24.250"},
|
|
|
|
{204, "24.375"},
|
|
|
|
{205, "24.500"},
|
|
|
|
{206, "24.625"},
|
|
|
|
{207, "24.750"},
|
|
|
|
{208, "24.875"},
|
|
|
|
{209, "25.000"},
|
|
|
|
{210, "25.125"},
|
|
|
|
{211, "25.250"},
|
|
|
|
{212, "25.375"},
|
|
|
|
{213, "25.500"},
|
|
|
|
{214, "25.625"},
|
|
|
|
{215, "25.750"},
|
|
|
|
{216, "25.875"},
|
|
|
|
{217, "26.000"},
|
|
|
|
{218, "26.125"},
|
|
|
|
{219, "26.250"},
|
|
|
|
{220, "26.375"},
|
|
|
|
{221, "26.500"},
|
|
|
|
{222, "26.625"},
|
|
|
|
{223, "26.750"},
|
|
|
|
{224, "26.875"},
|
|
|
|
{225, "27.000"},
|
|
|
|
{226, "27.125"},
|
|
|
|
{227, "27.250"},
|
|
|
|
{228, "27.375"},
|
|
|
|
{229, "27.500"},
|
|
|
|
{230, "27.625"},
|
|
|
|
{231, "27.750"},
|
|
|
|
{232, "27.875"},
|
|
|
|
{233, "28.000"},
|
|
|
|
{234, "28.125"},
|
|
|
|
{235, "28.250"},
|
|
|
|
{236, "28.375"},
|
|
|
|
{237, "28.500"},
|
|
|
|
{238, "28.625"},
|
|
|
|
{239, "28.750"},
|
|
|
|
{240, "28.875"},
|
|
|
|
{241, "29.000"},
|
|
|
|
{242, "29.125"},
|
|
|
|
{243, "29.250"},
|
|
|
|
{244, "29.375"},
|
|
|
|
{245, "29.500"},
|
|
|
|
{246, "29.625"},
|
|
|
|
{247, "29.750"},
|
|
|
|
{248, "29.875"},
|
|
|
|
{249, "30.000"},
|
|
|
|
{250, "30.125"},
|
|
|
|
{251, "30.250"},
|
|
|
|
{252, "30.375"},
|
|
|
|
{253, "30.500"},
|
|
|
|
{254, "30.625"},
|
|
|
|
{255, ">30.750"},
|
|
|
|
{ 0, NULL}
|
|
|
|
};
|
2012-07-29 19:48:22 +00:00
|
|
|
static value_string_ext modeadapt_esno_ext = VALUE_STRING_EXT_INIT(modeadapt_esno);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
/* fourth byte */
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_MODEADAPT_OFFS_FNO 3
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
/* *** DVB-S2 Base-Band Frame *** */
|
|
|
|
|
|
|
|
#define DVB_S2_BB_HEADER_LEN 10
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_BB_OFFS_MATYPE1 0
|
|
|
|
#define DVB_S2_BB_GS_MASK 0xC0
|
2012-07-29 16:57:54 +00:00
|
|
|
static const value_string bb_gs[] = {
|
|
|
|
{0, "Generic Packetized (GSE)"},
|
|
|
|
{1, "Generic continuous (GSE)"},
|
|
|
|
{2, "reserved"},
|
|
|
|
{3, "Transport (TS)"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_BB_MIS_POS 5
|
|
|
|
#define DVB_S2_BB_MIS_MASK 0x20
|
2012-07-29 16:57:54 +00:00
|
|
|
static const true_false_string tfs_bb_mis = {
|
|
|
|
"single (SIS)",
|
|
|
|
"multiple (MIS)"
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_BB_ACM_MASK 0x10
|
2012-07-29 16:57:54 +00:00
|
|
|
static const true_false_string tfs_bb_acm = {
|
|
|
|
"constant (CCM)",
|
|
|
|
"adaptive (ACM)"
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_BB_ISSYI_MASK 0x08
|
2012-07-29 16:57:54 +00:00
|
|
|
static const true_false_string tfs_bb_issyi = {
|
|
|
|
"active",
|
|
|
|
"not-active"
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_BB_NPD_MASK 0x04
|
2012-07-29 16:57:54 +00:00
|
|
|
static const true_false_string tfs_bb_npd = {
|
|
|
|
"active",
|
|
|
|
"not-active"
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_BB_RO_MASK 0x03
|
2012-07-29 16:57:54 +00:00
|
|
|
static const value_string bb_ro[] = {
|
|
|
|
{0, "0,35"},
|
|
|
|
{1, "0,25"},
|
|
|
|
{2, "0,20"},
|
|
|
|
{3, "<0,20 / reserved"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_BB_OFFS_MATYPE2 1
|
|
|
|
#define DVB_S2_BB_OFFS_UPL 2
|
|
|
|
#define DVB_S2_BB_OFFS_DFL 4
|
|
|
|
#define DVB_S2_BB_OFFS_SYNC 6
|
|
|
|
#define DVB_S2_BB_OFFS_SYNCD 7
|
|
|
|
#define DVB_S2_BB_OFFS_CRC 9
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
/* *** DVB-S2 GSE Frame *** */
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_GSE_MINSIZE 2
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_GSE_OFFS_HDR 0
|
|
|
|
#define DVB_S2_GSE_HDR_START_MASK 0x8000
|
|
|
|
#define DVB_S2_GSE_HDR_START_POS 15
|
|
|
|
#define DVB_S2_GSE_HDR_STOP_MASK 0x4000
|
|
|
|
#define DVB_S2_GSE_HDR_STOP_POS 14
|
2012-07-29 16:57:54 +00:00
|
|
|
static const true_false_string tfs_gse_ss = {
|
|
|
|
"enabled",
|
|
|
|
"disabled"
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_GSE_HDR_LABELTYPE_MASK 0x3000
|
|
|
|
#define DVB_S2_GSE_HDR_LABELTYPE_POS1 13
|
|
|
|
#define DVB_S2_GSE_HDR_LABELTYPE_POS2 12
|
2013-03-25 12:40:37 +00:00
|
|
|
static const value_string gse_labeltype[] = {
|
2012-07-29 16:57:54 +00:00
|
|
|
{0, "6 byte"},
|
|
|
|
{1, "3 byte"},
|
|
|
|
{2, "0 byte (Broadcast)"},
|
2013-03-25 12:40:37 +00:00
|
|
|
{3, "re-use last label"},
|
2012-07-29 16:57:54 +00:00
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_GSE_HDR_LENGTH_MASK 0x0FFF
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
static const range_string gse_proto_str[] = {
|
2012-08-10 22:20:28 +00:00
|
|
|
{0x0000 , 0x00FF , "not implemented"},
|
|
|
|
{0x0100 , 0x05FF , "not implemented"},
|
|
|
|
{0x0600 , 0x07FF , "not implemented"},
|
|
|
|
{ETHERTYPE_IP , ETHERTYPE_IP , "IPv4 Payload" },
|
|
|
|
{0x0801 , 0x86DC , "not implemented"},
|
|
|
|
{ETHERTYPE_IPv6, ETHERTYPE_IPv6, "IPv6 Payload" },
|
|
|
|
{0x86DE , 0xFFFF , "not implemented"},
|
|
|
|
{0 , 0 , NULL }
|
2012-07-29 16:57:54 +00:00
|
|
|
};
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
#define DVB_S2_GSE_CRC32_LEN 4
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
/* *** helper functions *** */
|
2013-03-16 16:25:41 +00:00
|
|
|
static gboolean check_crc8(tvbuff_t *p, guint8 len, guint8 offset, guint8 received_fcs)
|
2012-07-29 16:57:54 +00:00
|
|
|
{
|
2012-11-25 23:33:11 +00:00
|
|
|
int i;
|
2012-07-29 16:57:54 +00:00
|
|
|
guint8 crc = 0, tmp;
|
|
|
|
|
|
|
|
for (i = 0; i < len; i++) {
|
|
|
|
tmp = tvb_get_guint8(p, offset++);
|
|
|
|
crc = crc8_table[crc ^ tmp];
|
|
|
|
}
|
|
|
|
if (received_fcs == crc)
|
|
|
|
return TRUE;
|
|
|
|
else
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* *** Code to actually dissect the packets *** */
|
2012-08-10 22:20:28 +00:00
|
|
|
static int dissect_dvb_s2_gse(tvbuff_t *tvb, int cur_off, proto_tree *tree, packet_info *pinfo)
|
2012-07-29 16:57:54 +00:00
|
|
|
{
|
2012-11-25 23:33:11 +00:00
|
|
|
int new_off = 0;
|
|
|
|
int frag_len;
|
|
|
|
guint16 gse_hdr, data_len, gse_proto = 0;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
proto_item *ti, *tf;
|
|
|
|
proto_tree *dvb_s2_gse_tree, *dvb_s2_gse_hdr_tree;
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
tvbuff_t *next_tvb;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, "GSE");
|
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
/* get header and determine length */
|
|
|
|
gse_hdr = tvb_get_ntohs(tvb, cur_off + DVB_S2_GSE_OFFS_HDR);
|
|
|
|
new_off += 2;
|
|
|
|
frag_len = (gse_hdr & DVB_S2_GSE_HDR_LENGTH_MASK)+2;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
ti = proto_tree_add_item(tree, proto_dvb_s2_gse, tvb, cur_off, frag_len, ENC_NA);
|
|
|
|
dvb_s2_gse_tree = proto_item_add_subtree(ti, ett_dvb_s2_gse);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
tf = proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_hdr, tvb, cur_off + DVB_S2_GSE_OFFS_HDR, 2, gse_hdr);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
dvb_s2_gse_hdr_tree = proto_item_add_subtree(tf, ett_dvb_s2_gse_hdr);
|
|
|
|
proto_tree_add_item(dvb_s2_gse_hdr_tree, hf_dvb_s2_gse_hdr_start, tvb, cur_off + DVB_S2_GSE_OFFS_HDR, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_gse_hdr_tree, hf_dvb_s2_gse_hdr_stop, tvb, cur_off + DVB_S2_GSE_OFFS_HDR, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_gse_hdr_tree, hf_dvb_s2_gse_hdr_labeltype, tvb,
|
|
|
|
cur_off + DVB_S2_GSE_OFFS_HDR, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_gse_hdr_tree, hf_dvb_s2_gse_hdr_length, tvb, cur_off + DVB_S2_GSE_OFFS_HDR, 2, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
if (BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_START_POS) &&
|
|
|
|
BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_STOP_POS) &&
|
|
|
|
BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_LABELTYPE_POS1) && BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_LABELTYPE_POS2)) {
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, " ");
|
|
|
|
return new_off;
|
|
|
|
} else {
|
|
|
|
if (BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_START_POS) || BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_STOP_POS)) {
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_fragid, tvb, cur_off + new_off, 1, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
new_off += 1;
|
|
|
|
}
|
|
|
|
if (BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_START_POS) && BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_STOP_POS)) {
|
|
|
|
|
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_totlength, tvb, cur_off + new_off, 2, ENC_BIG_ENDIAN);
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, "(frag) ");
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
new_off += 2;
|
|
|
|
}
|
|
|
|
if (BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_START_POS)) {
|
|
|
|
gse_proto = tvb_get_ntohs(tvb, cur_off + new_off);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_proto, tvb, cur_off + new_off, 2, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
new_off += 2;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
if (BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_LABELTYPE_POS1) && BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_LABELTYPE_POS2)) {
|
|
|
|
/* 6 byte label */
|
2012-11-25 23:33:11 +00:00
|
|
|
if (BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_STOP_POS))
|
2012-08-10 22:20:28 +00:00
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, "6 ");
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_label6, tvb, cur_off + new_off, 6, ENC_NA);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
new_off += 6;
|
|
|
|
} else if (BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_LABELTYPE_POS1) &&
|
|
|
|
BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_LABELTYPE_POS2)) {
|
|
|
|
/* 3 byte label */
|
2012-11-25 23:33:11 +00:00
|
|
|
if (BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_STOP_POS))
|
2012-08-10 22:20:28 +00:00
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, "3 ");
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_label3, tvb, cur_off + new_off, 3, ENC_NA);
|
|
|
|
|
|
|
|
new_off += 3;
|
|
|
|
} else {
|
|
|
|
/* 0 byte label */
|
2012-11-25 23:33:11 +00:00
|
|
|
if (BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_STOP_POS))
|
2012-08-10 22:20:28 +00:00
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, "0 ");
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
2013-06-27 02:34:57 +00:00
|
|
|
if (gse_proto < 0x0600 && gse_proto >= 0x100) {
|
|
|
|
/* Only display optional extension headers */
|
2012-08-10 22:20:28 +00:00
|
|
|
/* TODO: needs to be tested */
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
/* TODO: implementation needs to be checked (len of ext-header??) */
|
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_exthdr, tvb, cur_off + new_off, 1, ENC_BIG_ENDIAN);
|
|
|
|
|
|
|
|
new_off += 1;
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
2012-08-10 22:20:28 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* correct cinfo */
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, "(frag) ");
|
|
|
|
}
|
|
|
|
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, cur_off + new_off);
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
if (dvb_s2_full_dissection)
|
2012-08-10 22:20:28 +00:00
|
|
|
{
|
|
|
|
switch (gse_proto) {
|
|
|
|
case ETHERTYPE_IP:
|
|
|
|
new_off += call_dissector(ip_handle, next_tvb, pinfo, tree);
|
|
|
|
break;
|
|
|
|
case ETHERTYPE_IPv6:
|
|
|
|
new_off += call_dissector(ipv6_handle, next_tvb, pinfo, tree);
|
|
|
|
break;
|
|
|
|
default:
|
2012-07-29 16:57:54 +00:00
|
|
|
if (BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_START_POS) && BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_STOP_POS)) {
|
|
|
|
data_len = (gse_hdr & DVB_S2_GSE_HDR_LENGTH_MASK) - (new_off - DVB_S2_GSE_MINSIZE) - DVB_S2_GSE_CRC32_LEN;
|
|
|
|
} else
|
|
|
|
data_len = (gse_hdr & DVB_S2_GSE_HDR_LENGTH_MASK) - (new_off - DVB_S2_GSE_MINSIZE);
|
|
|
|
|
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_data, tvb, cur_off + new_off, data_len, ENC_NA);
|
|
|
|
new_off += data_len;
|
2012-08-10 22:20:28 +00:00
|
|
|
break;
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
2012-08-10 22:20:28 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2012-07-29 16:57:54 +00:00
|
|
|
if (BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_START_POS) && BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_STOP_POS)) {
|
2012-08-10 22:20:28 +00:00
|
|
|
data_len = (gse_hdr & DVB_S2_GSE_HDR_LENGTH_MASK) - (new_off - DVB_S2_GSE_MINSIZE) - DVB_S2_GSE_CRC32_LEN;
|
|
|
|
} else
|
|
|
|
data_len = (gse_hdr & DVB_S2_GSE_HDR_LENGTH_MASK) - (new_off - DVB_S2_GSE_MINSIZE);
|
|
|
|
|
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_data, tvb, cur_off + new_off, data_len, ENC_NA);
|
|
|
|
new_off += data_len;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* add crc32 if last fragment */
|
|
|
|
if (BIT_IS_CLEAR(gse_hdr, DVB_S2_GSE_HDR_START_POS) && BIT_IS_SET(gse_hdr, DVB_S2_GSE_HDR_STOP_POS)) {
|
|
|
|
proto_tree_add_item(dvb_s2_gse_tree, hf_dvb_s2_gse_crc32, tvb, cur_off + new_off, DVB_S2_GSE_CRC32_LEN, ENC_NA);
|
|
|
|
new_off += DVB_S2_GSE_CRC32_LEN;
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return new_off;
|
|
|
|
}
|
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
static gboolean test_dvb_s2_crc(tvbuff_t *tvb, guint offset) {
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
guint8 input8;
|
2012-08-10 22:20:28 +00:00
|
|
|
|
|
|
|
/* only check BB Header and return */
|
2012-08-13 18:54:58 +00:00
|
|
|
if (tvb_length(tvb) < (offset + DVB_S2_BB_HEADER_LEN))
|
2012-08-10 22:20:28 +00:00
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
input8 = tvb_get_guint8(tvb, offset + DVB_S2_BB_OFFS_CRC);
|
|
|
|
|
|
|
|
if (!check_crc8(tvb, DVB_S2_BB_HEADER_LEN - 1, offset, input8))
|
|
|
|
return FALSE;
|
|
|
|
else
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int dissect_dvb_s2_bb(tvbuff_t *tvb, int cur_off, proto_tree *tree, packet_info *pinfo)
|
2012-07-29 16:57:54 +00:00
|
|
|
{
|
|
|
|
proto_item *ti, *tf;
|
|
|
|
proto_tree *dvb_s2_bb_tree, *dvb_s2_bb_matype1_tree;
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
guint8 input8;
|
|
|
|
guint16 input16, bb_data_len = 0;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
int sub_dissected = 0, flag_is_ms = 0, new_off = 0;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
col_append_str(pinfo->cinfo, COL_PROTOCOL, "BB ");
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, "Baseband ");
|
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
/* create display subtree for the protocol */
|
|
|
|
ti = proto_tree_add_item(tree, proto_dvb_s2_bb, tvb, cur_off, DVB_S2_BB_HEADER_LEN, ENC_NA);
|
|
|
|
dvb_s2_bb_tree = proto_item_add_subtree(ti, ett_dvb_s2_bb);
|
|
|
|
|
|
|
|
input8 = tvb_get_guint8(tvb, cur_off + DVB_S2_BB_OFFS_MATYPE1);
|
|
|
|
new_off += 1;
|
|
|
|
|
|
|
|
if (BIT_IS_CLEAR(input8, DVB_S2_BB_MIS_POS))
|
|
|
|
flag_is_ms = 1;
|
|
|
|
|
|
|
|
tf = proto_tree_add_item(dvb_s2_bb_tree, hf_dvb_s2_bb_matype1, tvb, cur_off + DVB_S2_BB_OFFS_MATYPE1, 1, input8);
|
|
|
|
dvb_s2_bb_matype1_tree = proto_item_add_subtree(tf, ett_dvb_s2_bb_matype1);
|
|
|
|
proto_tree_add_item(dvb_s2_bb_matype1_tree, hf_dvb_s2_bb_matype1_gs, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE1, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_bb_matype1_tree, hf_dvb_s2_bb_matype1_mis, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE1, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_bb_matype1_tree, hf_dvb_s2_bb_matype1_acm, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE1, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_bb_matype1_tree, hf_dvb_s2_bb_matype1_issyi, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE1, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_bb_matype1_tree, hf_dvb_s2_bb_matype1_npd, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE1, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_bb_matype1_tree, hf_dvb_s2_bb_matype1_ro, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE1, 1, ENC_BIG_ENDIAN);
|
|
|
|
|
|
|
|
input8 = tvb_get_guint8(tvb, cur_off + DVB_S2_BB_OFFS_MATYPE2);
|
|
|
|
new_off += 1;
|
|
|
|
if (flag_is_ms) {
|
|
|
|
proto_tree_add_uint_format(dvb_s2_bb_tree, hf_dvb_s2_bb_matype2, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE2, 1, input8, "MATYPE2: Input Stream Identifier (ISI): %d",
|
|
|
|
input8);
|
|
|
|
} else {
|
|
|
|
proto_tree_add_uint_format(dvb_s2_bb_tree, hf_dvb_s2_bb_matype2, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_MATYPE2, 1, input8, "MATYPE2: reserved");
|
|
|
|
}
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
input16 = tvb_get_ntohs(tvb, cur_off + DVB_S2_BB_OFFS_UPL);
|
|
|
|
new_off += 2;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_uint_format(dvb_s2_bb_tree, hf_dvb_s2_bb_upl, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_UPL, 2, input16, "User Packet Length: %d bits (%d bytes)",
|
|
|
|
(guint16) input16, (guint16) input16 / 8);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
bb_data_len = input16 = tvb_get_ntohs(tvb, cur_off + DVB_S2_BB_OFFS_DFL);
|
|
|
|
bb_data_len /= 8;
|
|
|
|
new_off += 2;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_uint_format(dvb_s2_bb_tree, hf_dvb_s2_bb_dfl, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_DFL, 2, input16, "DFL: %d bits (%d bytes)", input16, input16 / 8);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
new_off += 1;
|
|
|
|
proto_tree_add_item(dvb_s2_bb_tree, hf_dvb_s2_bb_sync, tvb, cur_off + DVB_S2_BB_OFFS_SYNC, 1, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
new_off += 2;
|
|
|
|
proto_tree_add_item(dvb_s2_bb_tree, hf_dvb_s2_bb_syncd, tvb, cur_off + DVB_S2_BB_OFFS_SYNCD, 2, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
input8 = tvb_get_guint8(tvb, cur_off + DVB_S2_BB_OFFS_CRC);
|
|
|
|
new_off += 1;
|
|
|
|
if (check_crc8(tvb, DVB_S2_BB_HEADER_LEN - 1, cur_off, input8)) {
|
|
|
|
proto_tree_add_uint_format(dvb_s2_bb_tree, hf_dvb_s2_bb_crc, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_CRC, 1, 1, "Checksum: correct (0x%2.2x)", input8);
|
|
|
|
} else {
|
|
|
|
proto_tree_add_uint_format(dvb_s2_bb_tree, hf_dvb_s2_bb_crc, tvb,
|
|
|
|
cur_off + DVB_S2_BB_OFFS_CRC, 1, -1, "Checksum: incorrect! (0x%2.2x)", input8);
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
while (bb_data_len) {
|
|
|
|
/* start DVB-GSE dissector */
|
|
|
|
sub_dissected = dissect_dvb_s2_gse(tvb, cur_off + new_off, tree, pinfo);
|
|
|
|
new_off += sub_dissected;
|
|
|
|
|
|
|
|
if ((sub_dissected <= bb_data_len) && (sub_dissected >= DVB_S2_GSE_MINSIZE)) {
|
|
|
|
bb_data_len -= sub_dissected;
|
|
|
|
if (bb_data_len < DVB_S2_GSE_MINSIZE)
|
|
|
|
bb_data_len = 0;
|
|
|
|
} else
|
|
|
|
bb_data_len = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return new_off;
|
|
|
|
}
|
|
|
|
|
2012-09-10 21:40:21 +00:00
|
|
|
static int dissect_dvb_s2_modeadapt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
2012-07-29 16:57:54 +00:00
|
|
|
{
|
2012-11-25 23:33:11 +00:00
|
|
|
int cur_off = 0, dvb_s2_modeadapt_len = -1;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
proto_item *ti, *tf;
|
|
|
|
proto_tree *dvb_s2_modeadapt_tree;
|
|
|
|
proto_tree *dvb_s2_modeadapt_acm_tree;
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
guint8 byte;
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
/* Check that there's enough data */
|
2012-08-10 22:20:28 +00:00
|
|
|
if (tvb_length(tvb) < 1)
|
2012-07-29 16:57:54 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Check if first byte is valid for this dissector */
|
|
|
|
byte = tvb_get_guint8(tvb, DVB_S2_MODEADAPT_OFFS_SYNCBYTE);
|
|
|
|
cur_off++;
|
|
|
|
if (byte != DVB_S2_MODEADAPT_SYNCBYTE)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Check if BB-Header CRC is valid and determine input or output */
|
2012-08-10 22:20:28 +00:00
|
|
|
|
|
|
|
if (test_dvb_s2_crc(tvb, DVB_S2_MODEADAPT_INSIZE)) {
|
2012-07-29 16:57:54 +00:00
|
|
|
dvb_s2_modeadapt_len = 2;
|
2012-08-10 22:20:28 +00:00
|
|
|
} else if (test_dvb_s2_crc(tvb, DVB_S2_MODEADAPT_OUTSIZE)) {
|
|
|
|
dvb_s2_modeadapt_len = 4;
|
|
|
|
} else {
|
|
|
|
return 0;
|
|
|
|
}
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DVB-S2 ");
|
2012-08-10 22:20:28 +00:00
|
|
|
col_set_str(pinfo->cinfo, COL_INFO, "DVB-S2 ");
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
/* create display subtree for the protocol */
|
|
|
|
ti = proto_tree_add_item(tree, proto_dvb_s2_modeadapt, tvb, 0, dvb_s2_modeadapt_len, ENC_NA);
|
|
|
|
dvb_s2_modeadapt_tree = proto_item_add_subtree(ti, ett_dvb_s2_modeadapt);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_item(dvb_s2_modeadapt_tree, hf_dvb_s2_modeadapt_sync, tvb, DVB_S2_MODEADAPT_OFFS_SYNCBYTE, 1, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
cur_off++;
|
|
|
|
tf = proto_tree_add_item(dvb_s2_modeadapt_tree, hf_dvb_s2_modeadapt_acm, tvb,
|
|
|
|
DVB_S2_MODEADAPT_OFFS_ACMBYTE, 1, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
dvb_s2_modeadapt_acm_tree = proto_item_add_subtree(tf, ett_dvb_s2_modeadapt_acm);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_tree_add_item(dvb_s2_modeadapt_acm_tree, hf_dvb_s2_modeadapt_acm_fecframe, tvb,
|
|
|
|
DVB_S2_MODEADAPT_OFFS_ACMBYTE, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_modeadapt_acm_tree, hf_dvb_s2_modeadapt_acm_pilot, tvb,
|
|
|
|
DVB_S2_MODEADAPT_OFFS_ACMBYTE, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(dvb_s2_modeadapt_acm_tree, hf_dvb_s2_modeadapt_acm_modcod, tvb,
|
|
|
|
DVB_S2_MODEADAPT_OFFS_ACMBYTE, 1, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
if (dvb_s2_modeadapt_len > 2) {
|
|
|
|
cur_off++;
|
|
|
|
proto_tree_add_item(dvb_s2_modeadapt_tree, hf_dvb_s2_modeadapt_cni, tvb, DVB_S2_MODEADAPT_OFFS_CNI, 1, ENC_BIG_ENDIAN);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
cur_off++;
|
|
|
|
proto_tree_add_item(dvb_s2_modeadapt_tree, hf_dvb_s2_modeadapt_frameno, tvb, DVB_S2_MODEADAPT_OFFS_FNO, 1, ENC_BIG_ENDIAN);
|
|
|
|
}
|
2012-07-29 16:57:54 +00:00
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
/* start DVB-BB dissector */
|
|
|
|
cur_off = dissect_dvb_s2_bb(tvb, cur_off, tree, pinfo);
|
2012-07-29 16:57:54 +00:00
|
|
|
|
|
|
|
|
|
|
|
return cur_off;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Register the protocol with Wireshark */
|
|
|
|
void proto_register_dvb_s2_modeadapt(void)
|
|
|
|
{
|
|
|
|
module_t *dvb_s2_modeadapt_module;
|
|
|
|
|
|
|
|
static hf_register_info hf_modeadapt[] = {
|
|
|
|
{&hf_dvb_s2_modeadapt_sync, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Sync Byte", "dvb-s2_modeadapt.sync",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
"Das Sync Byte", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_modeadapt_acm, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"ACM command", "dvb-s2_modeadapt.acmcmd",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_modeadapt_acm_fecframe, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"FEC frame size", "dvb-s2_modeadapt.acmcmd.fecframe",
|
|
|
|
FT_BOOLEAN, 8, TFS(&tfs_modeadapt_fecframe), DVB_S2_MODEADAPT_FECFRAME_MASK,
|
|
|
|
"FEC", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_modeadapt_acm_pilot, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Pilots configuration", "dvb-s2_modeadapt.acmcmd.pilots",
|
|
|
|
FT_BOOLEAN, 8, TFS(&tfs_modeadapt_pilots), DVB_S2_MODEADAPT_PILOTS_MASK,
|
|
|
|
"Pilots", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_modeadapt_acm_modcod, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Modcod indicator", "dvb-s2_modeadapt.acmcmd.modcod",
|
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &modeadapt_modcods_ext, DVB_S2_MODEADAPT_MODCODS_MASK,
|
|
|
|
"Modcod", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_modeadapt_cni, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Carrier to Noise [dB]", "dvb-s2_modeadapt.cni",
|
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &modeadapt_esno_ext, 0x0,
|
|
|
|
"CNI", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_modeadapt_frameno, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Frame number", "dvb-s2_modeadapt.frameno",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
"fno", HFILL}
|
|
|
|
}
|
2012-07-29 16:57:54 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Setup protocol subtree array */
|
|
|
|
static gint *ett_modeadapt[] = {
|
|
|
|
&ett_dvb_s2_modeadapt,
|
|
|
|
&ett_dvb_s2_modeadapt_acm
|
|
|
|
};
|
|
|
|
|
|
|
|
static hf_register_info hf_bb[] = {
|
|
|
|
{&hf_dvb_s2_bb_matype1, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"MATYPE1", "dvb-s2_bb.matype1",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
"MATYPE1 Header Field", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_matype1_gs, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Stream Input", "dvb-s2_bb.matype1.gs",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(bb_gs), DVB_S2_BB_GS_MASK,
|
|
|
|
"Transport Stream Input or Generic Stream Input", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_matype1_mis, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Input Stream", "dvb-s2_bb.matype1.mis",
|
|
|
|
FT_BOOLEAN, 8, TFS(&tfs_bb_mis), DVB_S2_BB_MIS_MASK,
|
|
|
|
"Single Input Stream or Multiple Input Stream", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_matype1_acm, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Coding and Modulation", "dvb-s2_bb.matype1.acm",
|
|
|
|
FT_BOOLEAN, 8, TFS(&tfs_bb_acm), DVB_S2_BB_ACM_MASK,
|
|
|
|
"Constant Coding and Modulation or Adaptive Coding and Modulation", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_matype1_issyi, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"ISSYI", "dvb-s2_bb.matype1.issyi",
|
|
|
|
FT_BOOLEAN, 8, TFS(&tfs_bb_issyi), DVB_S2_BB_ISSYI_MASK,
|
|
|
|
"Input Stream Synchronization Indicator", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_matype1_npd, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"NPD", "dvb-s2_bb.matype1.npd",
|
|
|
|
FT_BOOLEAN, 8, TFS(&tfs_bb_npd), DVB_S2_BB_NPD_MASK,
|
|
|
|
"Null-packet deletion enabled", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_matype1_ro, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"RO", "dvb-s2_bb.matype1.ro",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(bb_ro), DVB_S2_BB_RO_MASK,
|
|
|
|
"Transmission Roll-off factor", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_matype2, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"MATYPE2", "dvb-s2_bb.matype2",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
"MATYPE2 Header Field", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_upl, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"UPL", "dvb-s2_bb.upl",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
"User Packet Length", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_dfl, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"DFL", "dvb-s2_bb.dfl",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
"Data Field Length", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_sync, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"SYNC", "dvb-s2_bb.sync",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
"Copy of the User Packet Sync-byte", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_syncd, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"SYNCD", "dvb-s2_bb.syncd",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
"Distance to first user packet", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_bb_crc, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"CRC", "dvb-s2_bb.crc",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
"CRC-8", HFILL}
|
|
|
|
}
|
2012-07-29 16:57:54 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static gint *ett_bb[] = {
|
|
|
|
&ett_dvb_s2_bb,
|
|
|
|
&ett_dvb_s2_bb_matype1
|
|
|
|
};
|
|
|
|
|
|
|
|
/* DVB-S2 GSE Frame */
|
|
|
|
static hf_register_info hf_gse[] = {
|
|
|
|
{&hf_dvb_s2_gse_hdr, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"GSE header", "dvb-s2_gse.hdr",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
"GSE Header (start/stop/length)", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_hdr_start, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Start", "dvb-s2_gse.hdr.start",
|
|
|
|
FT_BOOLEAN, 16, TFS(&tfs_gse_ss), DVB_S2_GSE_HDR_START_MASK,
|
|
|
|
"Start Indicator", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_hdr_stop, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Stop", "dvb-s2_gse.hdr.stop",
|
|
|
|
FT_BOOLEAN, 16, TFS(&tfs_gse_ss), DVB_S2_GSE_HDR_STOP_MASK,
|
|
|
|
"Stop Indicator", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_hdr_labeltype, {
|
2013-03-25 12:40:37 +00:00
|
|
|
"Label Type", "dvb-s2_gse.hdr.labeltype",
|
|
|
|
FT_UINT16, BASE_HEX, VALS(gse_labeltype), DVB_S2_GSE_HDR_LABELTYPE_MASK,
|
|
|
|
"Label Type Indicator", HFILL}
|
2012-08-10 22:20:28 +00:00
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_hdr_length, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Length", "dvb-s2_gse.hdr.length",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, DVB_S2_GSE_HDR_LENGTH_MASK,
|
|
|
|
"GSE Length", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_proto, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Protocol", "dvb-s2_gse.proto",
|
2012-11-25 23:33:11 +00:00
|
|
|
FT_UINT16, BASE_HEX | BASE_RANGE_STRING, RVALS(gse_proto_str), 0x0,
|
2012-08-10 22:20:28 +00:00
|
|
|
"Protocol Type", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_label6, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Label", "dvb-s2_gse.label",
|
|
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
|
|
"Label Field", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_label3, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Label", "dvb-s2_gse.label",
|
|
|
|
FT_UINT24, BASE_HEX, NULL, 0x0,
|
|
|
|
"Label Field", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_fragid, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Frag ID", "dvb-s2_gse.fragid",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
"Fragment ID", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_totlength, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Total Length", "dvb-s2_gse.totlength",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
"GSE Total Frame Length", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_exthdr, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"Extension Header", "dvb-s2_gse.exthdr",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
"optional Extension Header", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_data, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"PDU Data", "dvb-s2_gse.data",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
"GSE Frame User Data", HFILL}
|
|
|
|
},
|
2012-07-29 16:57:54 +00:00
|
|
|
{&hf_dvb_s2_gse_crc32, {
|
2012-08-10 22:20:28 +00:00
|
|
|
"CRC", "dvb-s2_gse.crc",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
|
|
"CRC-32", HFILL}
|
|
|
|
}
|
2012-07-29 16:57:54 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static gint *ett_gse[] = {
|
|
|
|
&ett_dvb_s2_gse,
|
|
|
|
&ett_dvb_s2_gse_hdr
|
|
|
|
};
|
|
|
|
|
|
|
|
proto_dvb_s2_modeadapt = proto_register_protocol("DVB-S2 Modeadaption Header", "DVB-S2", "dvb-s2_modeadapt");
|
|
|
|
|
|
|
|
proto_dvb_s2_bb = proto_register_protocol("DVB-S2 Baseband Frame", "DVB-S2-BB", "dvb-s2_bb");
|
|
|
|
|
|
|
|
proto_dvb_s2_gse = proto_register_protocol("DVB-S2 GSE Packet", "DVB-S2-GSE", "dvb-s2_gse");
|
|
|
|
|
|
|
|
proto_register_field_array(proto_dvb_s2_modeadapt, hf_modeadapt, array_length(hf_modeadapt));
|
|
|
|
proto_register_subtree_array(ett_modeadapt, array_length(ett_modeadapt));
|
|
|
|
|
|
|
|
proto_register_field_array(proto_dvb_s2_bb, hf_bb, array_length(hf_bb));
|
|
|
|
proto_register_subtree_array(ett_bb, array_length(ett_bb));
|
|
|
|
|
|
|
|
proto_register_field_array(proto_dvb_s2_gse, hf_gse, array_length(hf_gse));
|
|
|
|
proto_register_subtree_array(ett_gse, array_length(ett_gse));
|
|
|
|
|
|
|
|
dvb_s2_modeadapt_module = prefs_register_protocol(proto_dvb_s2_modeadapt, proto_reg_handoff_dvb_s2_modeadapt);
|
|
|
|
|
|
|
|
prefs_register_bool_preference(dvb_s2_modeadapt_module, "enable", "Enable dissector",
|
|
|
|
"Enable DVB-S2 dissector", &dvb_s2_enable);
|
|
|
|
|
|
|
|
prefs_register_bool_preference(dvb_s2_modeadapt_module, "full_decode",
|
2012-11-25 23:33:11 +00:00
|
|
|
"Enable dissection of GSE data",
|
|
|
|
"Check this to enable full protocol dissection of data above GSE Layer",
|
|
|
|
&dvb_s2_full_dissection);
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void proto_reg_handoff_dvb_s2_modeadapt(void)
|
|
|
|
{
|
|
|
|
static gboolean prefs_initialized = FALSE;
|
|
|
|
|
2012-11-25 23:33:11 +00:00
|
|
|
if (!prefs_initialized) {
|
2012-08-10 22:20:28 +00:00
|
|
|
heur_dissector_add("udp", dissect_dvb_s2_modeadapt, proto_dvb_s2_modeadapt);
|
|
|
|
ip_handle = find_dissector("ip");
|
|
|
|
ipv6_handle = find_dissector("ipv6");
|
|
|
|
prefs_initialized = TRUE;
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
|
|
|
|
2012-08-10 22:20:28 +00:00
|
|
|
proto_set_decoding(proto_dvb_s2_modeadapt, dvb_s2_enable);
|
2012-07-29 16:57:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
|
|
*
|
|
|
|
* Local variables:
|
|
|
|
* c-basic-offset: 4
|
|
|
|
* tab-width: 8
|
|
|
|
* indent-tabs-mode: nil
|
|
|
|
* End:
|
|
|
|
*
|
|
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
|
|
*/
|