/* packet-ucd.c
* Routines for UCD Message dissection
* Copyright 2002, Anand V. Narwani <anand[AT]narwani.org>
*
* $Id: packet-ucd.c 23088 2007-10-07 23:46:44Z richardv $
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "moduleinfo.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gmodule.h>
#include <epan/packet.h>
#define UCD_SYMBOL_RATE 1
#define UCD_FREQUENCY 2
#define UCD_PREAMBLE 3
#define UCD_BURST_DESCR 4
#define UCD_BURST_DESCR5 5
#define UCD_MODULATION 1
#define UCD_DIFF_ENCODING 2
#define UCD_PREAMBLE_LEN 3
#define UCD_PREAMBLE_VAL_OFF 4
#define UCD_FEC 5
#define UCD_FEC_CODEWORD 6
#define UCD_SCRAMBLER_SEED 7
#define UCD_MAX_BURST 8
#define UCD_GUARD_TIME 9
#define UCD_LAST_CW_LEN 10
#define UCD_SCRAMBLER_ONOFF 11
#define UCD_RS_INT_DEPTH 12
#define UCD_RS_INT_BLOCK 13
#define UCD_PREAMBLE_TYPE 14
#define UCD_SCMDA_SCRAMBLER_ONOFF 15
#define UCD_SCDMA_CODES_PER_SUBFRAME 16
#define UCD_SCDMA_FRAMER_INT_STEP_SIZE 17
#define UCD_TCM_ENABLED 18
#define IUC_REQUEST 1
#define IUC_REQ_DATA 2
#define IUC_INIT_MAINT 3
#define IUC_STATION_MAINT 4
#define IUC_SHORT_DATA_GRANT 5
#define IUC_LONG_DATA_GRANT 6
#define IUC_NULL_IE 7
#define IUC_DATA_ACK 8
#define IUC_ADV_PHY_SHORT_DATA_GRANT 9
#define IUC_ADV_PHY_LONG_DATA_GRANT 10
#define IUC_ADV_PHY_UGS 11
#define IUC_RESERVED12 12
#define IUC_RESERVED13 13
#define IUC_RESERVED14 14
#define IUC_EXPANSION 15
/* Initialize the protocol and registered fields */
static int proto_docsis_ucd = -1;
static int hf_docsis_ucd_upstream_chid = -1;
static int hf_docsis_ucd_config_ch_cnt = -1;
static int hf_docsis_ucd_mini_slot_size = -1;
static int hf_docsis_ucd_down_chid = -1;
static int hf_docsis_ucd_type = -1;
static int hf_docsis_ucd_length = -1;
static int hf_docsis_ucd_symbol_rate = -1;
static int hf_docsis_ucd_frequency = -1;
static int hf_docsis_ucd_preamble_pat = -1;
static int hf_docsis_ucd_iuc = -1;
static int hf_docsis_burst_mod_type = -1;
static int hf_docsis_burst_diff_encoding = -1;
static int hf_docsis_burst_preamble_len = -1;
static int hf_docsis_burst_preamble_val_off = -1;
static int hf_docsis_burst_fec = -1;
static int hf_docsis_burst_fec_codeword = -1;
static int hf_docsis_burst_scrambler_seed = -1;
static int hf_docsis_burst_max_burst = -1;
static int hf_docsis_burst_guard_time = -1;
static int hf_docsis_burst_last_cw_len = -1;
static int hf_docsis_burst_scrambler_onoff = -1;
static int hf_docsis_rs_int_depth = -1;
static int hf_docsis_rs_int_block = -1;
static int hf_docsis_preamble_type = -1;
static int hf_docsis_scdma_scrambler_onoff = -1;
static int hf_docsis_scdma_codes_per_subframe = -1;
static int hf_docsis_scdma_framer_int_step_size = -1;
static int hf_docsis_tcm_enabled = -1;
/* Initialize the subtree pointers */
static gint ett_docsis_ucd = -1;
static gint ett_tlv = -1;
static const value_string channel_tlv_vals[] = {
{UCD_SYMBOL_RATE, "Symbol Rate"},
{UCD_FREQUENCY, "Frequency"},
{UCD_PREAMBLE, "Preamble Pattern"},
{UCD_BURST_DESCR, "Burst Descriptor"},
{UCD_BURST_DESCR5, "Burst Descriptor DOCSIS 2.0"},
{0, NULL}
};
static const value_string on_off_vals[] = {
{1, "On"},
{2, "Off"},
{0, NULL}
};
static const value_string mod_vals[] = {
{1, "QPSK"},
{2, "QAM16"},
{0, NULL}
};
value_string iuc_vals[] = {
{IUC_REQUEST, "Request"},
{IUC_REQ_DATA, "REQ/Data"},
{IUC_INIT_MAINT, "Initial Maintenance"},
{IUC_STATION_MAINT, "Station Maintenance"},
{IUC_SHORT_DATA_GRANT, "Short Data Grant"},
{IUC_LONG_DATA_GRANT, "Long Data Grant"},
{IUC_NULL_IE, "NULL IE"},
{IUC_DATA_ACK, "Data Ack"},
{IUC_ADV_PHY_SHORT_DATA_GRANT, "Advanced Phy Short Data Grant"},
{IUC_ADV_PHY_LONG_DATA_GRANT, "Advanced Phy Long Data Grant"},
{IUC_ADV_PHY_UGS, "Advanced Phy UGS"},
{IUC_RESERVED12, "Reserved"},
{IUC_RESERVED13, "Reserved"},
{IUC_RESERVED14, "Reserved"},
{IUC_EXPANSION, "Expanded IUC"},
{0, NULL}
};
static const value_string last_cw_len_vals[] = {
{1, "Fixed"},
{2, "Shortened"},
{0, NULL}
};
/* Code to actually dissect the packets */
static void
dissect_ucd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
{
int pos, endtlvpos;
guint8 type, length;
guint8 tlvlen, tlvtype;
proto_tree *ucd_tree;
proto_item *ucd_item;
proto_tree *tlv_tree;
proto_item *tlv_item;
gint len;
guint8 upchid, symrate;
len = tvb_reported_length_remaining (tvb, 0);
upchid = tvb_get_guint8 (tvb, 0);
/* if the upstream Channel ID is 0 then this is for Telephony Return) */
if (check_col (pinfo->cinfo, COL_INFO))
{
col_clear (pinfo->cinfo, COL_INFO);
if (upchid > 0)
col_add_fstr (pinfo->cinfo, COL_INFO,
"UCD Message: Channel ID = %u (U%u)", upchid,
upchid - 1);
else
col_add_fstr (pinfo->cinfo, COL_INFO,
"UCD Message: Channel ID = %u (Telephony Return)",
upchid);
}
if (tree)
{
ucd_item =
proto_tree_add_protocol_format (tree, proto_docsis_ucd, tvb, 0, -1,
"UCD Message");
ucd_tree = proto_item_add_subtree (ucd_item, ett_docsis_ucd);
proto_tree_add_item (ucd_tree, hf_docsis_ucd_upstream_chid, tvb, 0, 1,
FALSE);
proto_tree_add_item (ucd_tree, hf_docsis_ucd_config_ch_cnt, tvb, 1, 1,
FALSE);
proto_tree_add_item (ucd_tree, hf_docsis_ucd_mini_slot_size, tvb, 2, 1,
FALSE);
proto_tree_add_item (ucd_tree, hf_docsis_ucd_down_chid, tvb, 3, 1,
FALSE);
pos = 4;
while (pos < len)
{
type = tvb_get_guint8 (tvb, pos);
tlv_item = proto_tree_add_text (ucd_tree, tvb, pos, -1,
"%s",
val_to_str(type, channel_tlv_vals,
"Unknown TLV (%u)"));
tlv_tree = proto_item_add_subtree (tlv_item, ett_tlv);
proto_tree_add_uint (tlv_tree, hf_docsis_ucd_type,
tvb, pos, 1, type);
pos++;
length = tvb_get_guint8 (tvb, pos);
proto_tree_add_uint (tlv_tree, hf_docsis_ucd_length,
tvb, pos, 1, length);
pos++;
proto_item_set_len(tlv_item, length + 2);
switch (type)
{
case UCD_SYMBOL_RATE:
if (length == 1)
{
symrate = tvb_get_guint8 (tvb, pos);
proto_tree_add_uint (tlv_tree, hf_docsis_ucd_symbol_rate,
tvb, pos, length, symrate * 160);
}
else
{
THROW (ReportedBoundsError);
}
pos = pos + length;
break;
case UCD_FREQUENCY:
if (length == 4)
{
proto_tree_add_item (tlv_tree, hf_docsis_ucd_frequency, tvb,
pos, length, FALSE);
pos = pos + length;
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_PREAMBLE:
proto_tree_add_item (tlv_tree, hf_docsis_ucd_preamble_pat, tvb,
pos, length, FALSE);
pos = pos + length;
break;
case UCD_BURST_DESCR:
proto_tree_add_item (tlv_tree, hf_docsis_ucd_iuc, tvb,
pos++, 1, FALSE);
endtlvpos = pos + length - 1;
while (pos < endtlvpos)
{
tlvtype = tvb_get_guint8 (tvb, pos++);
tlvlen = tvb_get_guint8 (tvb, pos++);
switch (tlvtype)
{
case UCD_MODULATION:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_mod_type, tvb,
pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_DIFF_ENCODING:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_diff_encoding,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_PREAMBLE_LEN:
if (tlvlen == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_preamble_len,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_PREAMBLE_VAL_OFF:
if (tlvlen == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_preamble_val_off,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_FEC:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_fec, tvb, pos,
tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_FEC_CODEWORD:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_fec_codeword,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_SCRAMBLER_SEED:
if (tlvlen == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_scrambler_seed,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_MAX_BURST:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_max_burst, tvb,
pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_GUARD_TIME:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_guard_time,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_LAST_CW_LEN:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_last_cw_len,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_SCRAMBLER_ONOFF:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_scrambler_onoff,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch(tlvtype) */
pos = pos + tlvlen;
} /* while (pos < endtlvpos) */
break;
case UCD_BURST_DESCR5:
/* DOCSIS 2.0 Upstream Channel Descriptor */
proto_tree_add_item (tlv_tree, hf_docsis_ucd_iuc, tvb,
pos++, 1, FALSE);
endtlvpos = pos + length - 1;
while (pos < endtlvpos)
{
tlvtype = tvb_get_guint8 (tvb, pos++);
tlvlen = tvb_get_guint8 (tvb, pos++);
switch (tlvtype)
{
case UCD_MODULATION:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_mod_type, tvb,
pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_DIFF_ENCODING:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_diff_encoding,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_PREAMBLE_LEN:
if (tlvlen == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_preamble_len,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_PREAMBLE_VAL_OFF:
if (tlvlen == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_preamble_val_off,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_FEC:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_fec, tvb, pos,
tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_FEC_CODEWORD:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_fec_codeword,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_SCRAMBLER_SEED:
if (tlvlen == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_scrambler_seed,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_MAX_BURST:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_max_burst, tvb,
pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_GUARD_TIME:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_guard_time,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_LAST_CW_LEN:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_last_cw_len,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_SCRAMBLER_ONOFF:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_burst_scrambler_onoff,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
/* New cases added for DOCSIS 2.0 US Physical Burst Descriptor TLV */
/* #define UCD_RS_INT_DEPTH 12
* * #define UCD_RS_INT_BLOCK 13
* * #define UCD_PREAMBLE_TYPE 14
* * #define UCD_SCMDA_SCRAMBLER_ONOFF 15
* * #define UCD_SCDMA_CODES_PER_SUBFRAME 16
* * #define UCD_SCDMA_FRAMER_INT_STEP_SIZE 17
* * #define UCD_TCM_ENABLED 18
* */
case UCD_RS_INT_DEPTH:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_rs_int_depth,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_RS_INT_BLOCK:
if (tlvlen == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_rs_int_block,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_PREAMBLE_TYPE:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_preamble_type,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_SCMDA_SCRAMBLER_ONOFF:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_scdma_scrambler_onoff,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_SCDMA_CODES_PER_SUBFRAME:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_scdma_codes_per_subframe,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_SCDMA_FRAMER_INT_STEP_SIZE:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_scdma_framer_int_step_size,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case UCD_TCM_ENABLED:
if (tlvlen == 1)
{
proto_tree_add_item (tlv_tree,
hf_docsis_tcm_enabled,
tvb, pos, tlvlen, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch(tlvtype) */
pos = pos + tlvlen;
} /* while (pos < endtlvpos) */
break;
} /* switch(type) */
} /* while (pos < len) */
} /* if (tree) */
}
/* Register the protocol with Wireshark */
/* this format is require because a script is used to build the C function
that calls all the protocol registration.
*/
void
proto_register_docsis_ucd (void)
{
/* Setup list of header fields See Section 1.6.1 for details*/
static hf_register_info hf[] = {
{&hf_docsis_ucd_upstream_chid,
{"Upstream Channel ID", "docsis_ucd.upchid",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Upstream Channel ID", HFILL}
},
{&hf_docsis_ucd_config_ch_cnt,
{"Config Change Count", "docsis_ucd.confcngcnt",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Configuration Change Count", HFILL}
},
{&hf_docsis_ucd_mini_slot_size,
{"Mini Slot Size (6.25us TimeTicks)", "docsis_ucd.mslotsize",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Mini Slot Size (6.25us TimeTicks)", HFILL}
},
{&hf_docsis_ucd_down_chid,
{"Downstream Channel ID", "docsis_ucd.downchid",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Management Message", HFILL}
},
{&hf_docsis_ucd_type,
{"TLV Type", "docsis_ucd.type",
FT_UINT8, BASE_DEC, VALS(channel_tlv_vals), 0x0,
"Channel TLV type", HFILL}
},
{&hf_docsis_ucd_length,
{"TLV Length", "docsis_ucd.length",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Channel TLV length", HFILL}
},
{&hf_docsis_ucd_symbol_rate,
{"Symbol Rate (ksym/sec)", "docsis_ucd.symrate",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Symbol Rate", HFILL}
},
{&hf_docsis_ucd_frequency,
{"Frequency (Hz)", "docsis_ucd.freq",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Upstream Center Frequency", HFILL}
},
{&hf_docsis_ucd_preamble_pat,
{"Preamble Pattern", "docsis_ucd.preamble",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Preamble Superstring", HFILL}
},
{&hf_docsis_ucd_iuc,
{"Interval Usage Code", "docsis_ucd.iuc",
FT_UINT8, BASE_DEC, VALS (iuc_vals), 0x0,
"Interval Usage Code", HFILL}
},
{&hf_docsis_burst_mod_type,
{"1 Modulation Type", "docsis_ucd.burst.modtype",
FT_UINT8, BASE_DEC, VALS (mod_vals), 0x0,
"Modulation Type", HFILL}
},
{&hf_docsis_burst_diff_encoding,
{"2 Differential Encoding", "docsis_ucd.burst.diffenc",
FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
"Differential Encoding", HFILL}
},
{&hf_docsis_burst_preamble_len,
{"3 Preamble Length (Bits)", "docsis_ucd.burst.preamble_len",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Preamble Length (Bits)", HFILL}
},
{&hf_docsis_burst_preamble_val_off,
{"4 Preamble Offset (Bits)", "docsis_ucd.burst.preamble_off",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Preamble Offset (Bits)", HFILL}
},
{&hf_docsis_burst_fec,
{"5 FEC (T)", "docsis_ucd.burst.fec",
FT_UINT8, BASE_DEC, NULL, 0x0,
"FEC (T) Codeword Parity Bits = 2^T", HFILL}
},
{&hf_docsis_burst_fec_codeword,
{"6 FEC Codeword Info bytes (k)", "docsis_ucd.burst.fec_codeword",
FT_UINT8, BASE_DEC, NULL, 0x0,
"FEC Codeword Info Bytes (k)", HFILL}
},
{&hf_docsis_burst_scrambler_seed,
{"7 Scrambler Seed", "docsis_ucd.burst.scrambler_seed",
FT_UINT16, BASE_HEX, NULL, 0x0,
"Burst Descriptor", HFILL}
},
{&hf_docsis_burst_max_burst,
{"8 Max Burst Size (Minislots)", "docsis_ucd.burst.maxburst",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Max Burst Size (Minislots)", HFILL}
},
{&hf_docsis_burst_guard_time,
{"9 Guard Time Size (Symbol Times)", "docsis_ucd.burst.guardtime",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Guard Time Size", HFILL}
},
{&hf_docsis_burst_last_cw_len,
{"10 Last Codeword Length", "docsis_ucd.burst.last_cw_len",
FT_UINT8, BASE_DEC, VALS (last_cw_len_vals), 0x0,
"Last Codeword Length", HFILL}
},
{&hf_docsis_burst_scrambler_onoff,
{"11 Scrambler On/Off", "docsis_ucd.burst.scrambleronoff",
FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
"Scrambler On/Off", HFILL}
},
{&hf_docsis_rs_int_depth,
{"12 RS Interleaver Depth", "docsis_ucd.burst.rsintdepth",
FT_UINT8, BASE_DEC, NULL, 0x0,
"R-S Interleaver Depth", HFILL}
},
{&hf_docsis_rs_int_block,
{"13 RS Interleaver Block Size", "docsis_ucd.burst.rsintblock",
FT_UINT8, BASE_DEC, NULL, 0x0,
"R-S Interleaver Block", HFILL}
},
{&hf_docsis_preamble_type,
{"14 Preamble Type", "docsis_ucd.burst.preambletype",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Preamble Type", HFILL}
},
{&hf_docsis_scdma_scrambler_onoff,
{"15 SCDMA Scrambler On/Off", "docsis_ucd.burst.scdmascrambleronoff",
FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
"SCDMA Scrambler On/Off", HFILL}
},
{&hf_docsis_scdma_codes_per_subframe,
{"16 SCDMA Codes per Subframe", "docsis_ucd.burst.scdmacodespersubframe",
FT_UINT8, BASE_DEC, NULL, 0x0,
"SCDMA Codes per Subframe", HFILL}
},
{&hf_docsis_scdma_framer_int_step_size,
{"17 SDMA Framer Int Step Size", "docsis_ucd.burst.scdmaframerintstepsize",
FT_UINT8, BASE_DEC, NULL, 0x0,
"SCDMA Framer Interleaving Step Size", HFILL}
},
{&hf_docsis_tcm_enabled,
{"18 TCM Enable", "docsis_ucd.burst.tcmenabled",
FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
"TCM Enabled", HFILL}
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_docsis_ucd,
&ett_tlv,
};
/* Register the protocol name and description */
proto_docsis_ucd =
proto_register_protocol ("DOCSIS Upstream Channel Descriptor",
"DOCSIS UCD", "docsis_ucd");
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array (proto_docsis_ucd, hf, array_length (hf));
proto_register_subtree_array (ett, array_length (ett));
register_dissector ("docsis_ucd", dissect_ucd, proto_docsis_ucd);
}
/* If this dissector uses sub-dissector registration add a registration routine.
This format is required because a script is used to find these routines and
create the code that calls these routines.
*/
void
proto_reg_handoff_docsis_ucd (void)
{
dissector_handle_t docsis_ucd_handle;
docsis_ucd_handle = find_dissector ("docsis_ucd");
dissector_add ("docsis_mgmt", 0x02, docsis_ucd_handle);
}
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