aboutsummaryrefslogtreecommitdiffstats
path: root/plugins
diff options
context:
space:
mode:
authorBruno Verstuyft <bruno.verstuyft@excentis.com>2016-11-04 16:30:55 +0100
committerMichael Mann <mmann78@netscape.net>2016-11-13 00:55:55 +0000
commit7ba0c0cc02573d102a6cc883b1bbb61cc2e27fea (patch)
treea63405b2992df4790d68be6c833bde23702ee252 /plugins
parent42bd5f92e91145f57bb25cba87495434ed2227d6 (diff)
DOCSIS: Added dissector for type51 UCD
Change-Id: Ifb46b2bd0a6eeae3e641ebcb3ecc89fc4f74b3f9 Reviewed-on: https://code.wireshark.org/review/18673 Reviewed-by: Jaap Keuter <jaap.keuter@xs4all.nl> Petri-Dish: Jaap Keuter <jaap.keuter@xs4all.nl> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to 'plugins')
-rw-r--r--plugins/docsis/CMakeLists.txt1
-rw-r--r--plugins/docsis/Makefile.am1
-rw-r--r--plugins/docsis/packet-type51ucd.c1647
3 files changed, 1649 insertions, 0 deletions
diff --git a/plugins/docsis/CMakeLists.txt b/plugins/docsis/CMakeLists.txt
index 0a19f6623a..0025bc66ca 100644
--- a/plugins/docsis/CMakeLists.txt
+++ b/plugins/docsis/CMakeLists.txt
@@ -69,6 +69,7 @@ set(DISSECTOR_SRC
packet-tlv-cmctrl.c
packet-type29ucd.c
packet-type35ucd.c
+ packet-type51ucd.c
packet-uccreq.c
packet-uccrsp.c
packet-ucd.c
diff --git a/plugins/docsis/Makefile.am b/plugins/docsis/Makefile.am
index 60eefe41d6..eb2267c54f 100644
--- a/plugins/docsis/Makefile.am
+++ b/plugins/docsis/Makefile.am
@@ -69,6 +69,7 @@ NONGENERATED_REGISTER_C_FILES = \
packet-tlv-cmctrl.c \
packet-type29ucd.c \
packet-type35ucd.c \
+ packet-type51ucd.c \
packet-uccreq.c \
packet-uccrsp.c \
packet-ucd.c \
diff --git a/plugins/docsis/packet-type51ucd.c b/plugins/docsis/packet-type51ucd.c
new file mode 100644
index 0000000000..2b2b5ec13c
--- /dev/null
+++ b/plugins/docsis/packet-type51ucd.c
@@ -0,0 +1,1647 @@
+/* packet-type51ucd.c
+ *
+ * Routines for Type 51 UCD - DOCSIS 3.1 only - Message dissection
+ * Copyright 2016, Bruno Verstuyft <bruno.verstuyft@excentis.com>
+ * Based on packet-type35ucd.c (Copyright 2015, Adrian Simionov <daniel.simionov@gmail.com>)
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/expert.h>
+
+#define type51ucd_SYMBOL_RATE 1
+#define type51ucd_FREQUENCY 2
+#define type51ucd_PREAMBLE 3
+#define type51ucd_EXT_PREAMBLE 6
+#define type51ucd_SCDMA_MODE_ENABLE 7
+#define type51ucd_SCDMA_SPREADING_INTERVAL 8
+#define type51ucd_SCDMA_CODES_PER_MINI_SLOT 9
+#define type51ucd_SCDMA_ACTIVE_CODES 10
+#define type51ucd_SCDMA_CODE_HOPPING_SEED 11
+#define type51ucd_SCDMA_US_RATIO_NUM 12
+#define type51ucd_SCDMA_US_RATIO_DENOM 13
+#define type51ucd_SCDMA_TIMESTAMP_SNAPSHOT 14
+#define type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY 15
+#define type51ucd_RANGING_REQUIRED 16
+#define type51ucd_MAX_SCHEDULED_CODES 17
+#define type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD 18
+#define type51ucd_RANGING_CHANNEL_CLASS_ID 19
+#define type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING 20
+#define type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES 21
+#define type51ucd_HIGHER_UCD_FOR_SAME_UCID 22
+#define type51ucd_BURST_DESCR23 23
+#define type51ucd_UCD_CHANGE_IND_BITMASK 24
+#define type51ucd_OFDMA_TIMESTAMP_SNAPSHOT 25
+#define type51ucd_OFDMA_CYCLIC_PREFIX_SIZE 26
+#define type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE 27
+#define type51ucd_SUBCARRIER_SPACING 28
+#define type51ucd_CENTER_FREQ_SUBC_0 29
+#define type51ucd_SUBC_EXCL_BAND 30
+#define type51ucd_UNUSED_SUBC_SPEC 31
+#define type51ucd_SYMB_IN_OFDMA_FRAME 32
+#define type51ucd_RAND_SEED 33
+
+
+#define type51ucd_MODULATION 1
+#define type51ucd_DIFF_ENCODING 2
+#define type51ucd_PREAMBLE_LEN 3
+#define type51ucd_PREAMBLE_VAL_OFF 4
+#define type51ucd_FEC 5
+#define type51ucd_FEC_CODEWORD 6
+#define type51ucd_SCRAMBLER_SEED 7
+#define type51ucd_MAX_BURST 8
+#define type51ucd_GUARD_TIME 9
+#define type51ucd_LAST_CW_LEN 10
+#define type51ucd_SCRAMBLER_ONOFF 11
+#define type51ucd_RS_INT_DEPTH 12
+#define type51ucd_RS_INT_BLOCK 13
+#define type51ucd_PREAMBLE_TYPE 14
+#define type51ucd_SCMDA_SCRAMBLER_ONOFF 15
+#define type51ucd_SCDMA_CODES_PER_SUBFRAME 16
+#define type51ucd_SCDMA_FRAMER_INT_STEP_SIZE 17
+#define type51ucd_TCM_ENABLED 18
+#define type51ucd_SUBC_INIT_RANG 19
+#define type51ucd_SUBC_FINE_RANG 20
+#define type51ucd_OFDMA_PROFILE 21
+#define type51ucd_OFDMA_IR_POWER_CONTROL 22
+
+#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
+
+void proto_register_docsis_type51ucd(void);
+void proto_reg_handoff_docsis_type51ucd(void);
+
+/* Initialize the protocol and registered fields */
+static int proto_docsis_type51ucd = -1;
+
+static int hf_docsis_type51ucd_upstream_chid = -1;
+static int hf_docsis_type51ucd_config_ch_cnt = -1;
+static int hf_docsis_type51ucd_mini_slot_size = -1;
+static int hf_docsis_type51ucd_down_chid = -1;
+static int hf_docsis_type51ucd_type = -1;
+static int hf_docsis_type51ucd_length = -1;
+static int hf_docsis_type51ucd_burst_type = -1;
+static int hf_docsis_type51ucd_burst_length = -1;
+static int hf_docsis_type51ucd_symbol_rate = -1;
+static int hf_docsis_type51ucd_frequency = -1;
+static int hf_docsis_type51ucd_preamble_pat = -1;
+static int hf_docsis_type51ucd_iuc = -1;
+static int hf_docsis_type51ucd_ext_preamble = -1;
+static int hf_docsis_type51ucd_scdma_mode_enable = -1;
+static int hf_docsis_type51ucd_scdma_spreading_interval = -1;
+static int hf_docsis_type51ucd_scdma_codes_per_mini_slot = -1;
+static int hf_docsis_type51ucd_scdma_active_codes = -1;
+static int hf_docsis_type51ucd_scdma_code_hopping_seed = -1;
+static int hf_docsis_type51ucd_scdma_us_ratio_num = -1;
+static int hf_docsis_type51ucd_scdma_us_ratio_denom = -1;
+static int hf_docsis_type51ucd_scdma_timestamp_snapshot = -1;
+static int hf_docsis_type51ucd_maintain_power_spectral_density = -1;
+static int hf_docsis_type51ucd_ranging_required = -1;
+static int hf_docsis_type51ucd_rnghoff_cm = -1;
+static int hf_docsis_type51ucd_rnghoff_erouter = -1;
+static int hf_docsis_type51ucd_rnghoff_emta = -1;
+static int hf_docsis_type51ucd_rnghoff_estb = -1;
+static int hf_docsis_type51ucd_rnghoff_rsvd = -1;
+static int hf_docsis_type51ucd_rnghoff_id_ext = -1;
+static int hf_docsis_type51ucd_chan_class_id_cm = -1;
+static int hf_docsis_type51ucd_chan_class_id_erouter = -1;
+static int hf_docsis_type51ucd_chan_class_id_emta = -1;
+static int hf_docsis_type51ucd_chan_class_id_estb = -1;
+static int hf_docsis_type51ucd_chan_class_id_rsvd = -1;
+static int hf_docsis_type51ucd_chan_class_id_id_ext = -1;
+static int hf_docsis_type51ucd_max_scheduled_codes = -1;
+static int hf_docsis_type51ucd_active_code_hopping = -1;
+static int hf_docsis_type51ucd_higher_ucd_for_same_ucid = -1;
+static int hf_docsis_type51ucd_higher_ucd_for_same_ucid_resv = -1;
+static int hf_docsis_type51ucd_scdma_selection_active_codes = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_subc_excl_band = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_unused_subc = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_other_subc = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc5 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc6 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc9 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc10 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc11 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc12 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc13 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc3_or_4 = -1;
+static int hf_docsis_type51ucd_ucd_change_ind_bitmask_reserved = -1;
+static int hf_docsis_type51ucd_ofdma_timestamp_snapshot = -1;
+static int hf_docsis_type51ucd_ofdma_cyclic_prefix_size = -1;
+static int hf_docsis_type51ucd_ofdma_rolloff_period_size = -1;
+static int hf_docsis_type51ucd_subc_spacing = -1;
+static int hf_docsis_type51ucd_cent_freq_subc0 = -1;
+static int hf_docsis_type51ucd_subcarrier_range = -1;
+static int hf_docsis_type51ucd_symb_ofdma_frame = -1;
+static int hf_docsis_type51ucd_rand_seed = -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;
+static int hf_docsis_subc_init_rang = -1;
+static int hf_docsis_subc_fine_rang = -1;
+static int hf_docsis_type51ucd_ofdma_prof_mod_order = -1;
+static int hf_docsis_type51ucd_ofdma_prof_pilot_pattern = -1;
+static int hf_docsis_type51ucd_ofdma_prof_num_add_minislots = -1;
+static int hf_docsis_ofdma_ir_pow_ctrl_start_pow = -1;
+static int hf_docsis_ofdma_ir_pow_ctrl_step_size = -1;
+
+static expert_field ei_docsis_type51ucd_tlvlen_bad = EI_INIT;
+static expert_field ei_docsis_type51ucd_tlvtype_bad = EI_INIT;
+
+/* Initialize the subtree pointers */
+static gint ett_docsis_type51ucd = -1;
+static gint ett_docsis_type51tlv = -1;
+static gint ett_docsis_type51_burst_tlv = -1;
+
+static const value_string channel_tlv_vals[] _U_ = {
+ {type51ucd_SYMBOL_RATE, "Symbol Rate"},
+ {type51ucd_FREQUENCY, "Frequency"},
+ {type51ucd_PREAMBLE, "Preamble Pattern"},
+ {type51ucd_EXT_PREAMBLE, "Extended Preamble Pattern"},
+ {type51ucd_SCDMA_MODE_ENABLE, "SCDMA Mode Enabled"},
+ {type51ucd_SCDMA_SPREADING_INTERVAL, "SCDMA Spreading Intervals per Frame"},
+ {type51ucd_SCDMA_CODES_PER_MINI_SLOT, "SCDMA Codes per Mini-slot"},
+ {type51ucd_SCDMA_ACTIVE_CODES, "SCDMA Number of Active Codes"},
+ {type51ucd_SCDMA_CODE_HOPPING_SEED, "SCDMA Code Hopping Seed"},
+ {type51ucd_SCDMA_US_RATIO_NUM, "SCDMA US ratio numera7tor M"},
+ {type51ucd_SCDMA_US_RATIO_DENOM, "SCDMA US ratio denominator N"},
+ {type51ucd_SCDMA_TIMESTAMP_SNAPSHOT, "SCDMA Timestamp Snapshot"},
+ {type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY, "Maintain Power Spectral Density"},
+ {type51ucd_RANGING_REQUIRED, "Ranging Required"},
+ {type51ucd_MAX_SCHEDULED_CODES, "S-CDMA Maximum Scheduled Codes"},
+ {type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD, "Ranging Hold-Off Priority Field"},
+ {type51ucd_RANGING_CHANNEL_CLASS_ID, "Ranging Channel Class ID"},
+ {type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING, "S-CDMA Selection Mode for Active Codes and Code Hopping"},
+ {type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES, "S-CDMA Selection String for Active Codes"},
+ {type51ucd_HIGHER_UCD_FOR_SAME_UCID, "Higher UCD for the same UCID present bitmap"},
+ {type51ucd_BURST_DESCR23, "Burst Descriptor Type 23"},
+ {type51ucd_UCD_CHANGE_IND_BITMASK, "UCD Change Indicator Bitmask"},
+ {type51ucd_OFDMA_TIMESTAMP_SNAPSHOT, "OFDMA Timestamp Snapshot"},
+ {type51ucd_OFDMA_CYCLIC_PREFIX_SIZE, "OFDMA Cyclic Prefix Size"},
+ {type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE, "OFDMA Rolloff Period Size"},
+ {type51ucd_SUBCARRIER_SPACING, "Subcarrier Spacing"},
+ {type51ucd_CENTER_FREQ_SUBC_0, "Center Frequency of Subcarrier 0"},
+ {type51ucd_SUBC_EXCL_BAND, "Subcarrier Exclusion Band"},
+ {type51ucd_UNUSED_SUBC_SPEC, "Unused Subcarrier Specification"},
+ {type51ucd_SYMB_IN_OFDMA_FRAME, "Symbols in OFDMA frame"},
+ {type51ucd_RAND_SEED, "Randomization Seed"},
+ {0, NULL}
+};
+
+static const value_string burst_tlv_vals[] = {
+ {type51ucd_MODULATION, "Modulation Type"},
+ {type51ucd_DIFF_ENCODING, "Differential Encoding"},
+ {type51ucd_PREAMBLE_LEN, "Preamble Length"},
+ {type51ucd_PREAMBLE_VAL_OFF, "Preamble Value Offset"},
+ {type51ucd_FEC, "FEC Error Correction (T)"},
+ {type51ucd_FEC_CODEWORD, "FEC Codeword Information Bytes (k)"},
+ {type51ucd_SCRAMBLER_SEED, "Scrambler Seed"},
+ {type51ucd_MAX_BURST, "Maximum Burst Size"},
+ {type51ucd_GUARD_TIME, "Guard Time Size"},
+ {type51ucd_LAST_CW_LEN, "Last Codeword Length"},
+ {type51ucd_SCRAMBLER_ONOFF, "Scrambler on/off"},
+ {type51ucd_RS_INT_DEPTH, "R-S Interleaver Depth (Ir)"},
+ {type51ucd_RS_INT_BLOCK, "R-S Interleaver Block Size (Br)"},
+ {type51ucd_PREAMBLE_TYPE, "Preamble Type"},
+ {type51ucd_SCMDA_SCRAMBLER_ONOFF, "S-CDMA Spreader on/off"},
+ {type51ucd_SCDMA_CODES_PER_SUBFRAME, "S-CDMA Codes per Subframe"},
+ {type51ucd_SCDMA_FRAMER_INT_STEP_SIZE, "S-CDMA Framer Interleaving Step Size"},
+ {type51ucd_TCM_ENABLED, "TCM Encoding"},
+ {type51ucd_SUBC_INIT_RANG, "Subcarriers (Nir) Initial Ranging"},
+ {type51ucd_SUBC_FINE_RANG, "Subcarriers (Nfr) Initial Ranging"},
+ {type51ucd_OFDMA_PROFILE, "OFDMA Profile"},
+ {0, NULL}
+};
+
+static const value_string on_off_vals[] = {
+ {1, "On"},
+ {2, "Off"},
+ {0, NULL}
+};
+
+const true_false_string type51ucd_tfs_allow_inhibit = { "Inhibit Initial Ranging",
+ "Ranging Allowed" };
+
+const true_false_string type51ucd_tfs_inhibit_allow = { "Ranging Allowed",
+ "Inhibit Initial Ranging" };
+
+static const value_string mod_vals2[] = {
+ {1, "QPSK"},
+ {2, "16-QAM"},
+ {3, "8-QAM"},
+ {4, "32-QAM"},
+ {5, "64-QAM"},
+ {6, "128-QAM (SCDMA-only)"},
+ {7, "Reserved for C-DOCSIS"},
+ {0, NULL}
+};
+
+static const value_string tlv20_vals[] = {
+ {0, "Selectable active codes mode 1 enabled and code hopping disabled"},
+ {1, "Selectable active codes mode 1 enabled and code hopping mode 1 enabled"},
+ {2, "Selectable active codes mode 2 enabled and code hopping mode 2 enabled"},
+ {3, "Selectable active codes mode 2 enabled and code hopping disabled"},
+ {0, NULL}
+};
+
+const true_false_string type51ucd_tfs_present_not_present = { "Higher UCD is present for this UCID",
+ "Higher UCD is not present for this UCID" };
+
+static const value_string ofdma_prof_mod_order[] = {
+ {1, "BPSK"},
+ {2, "QPSK"},
+ {3, "8-QAM"},
+ {4, "16-QAM"},
+ {5, "32-QAM"},
+ {6, "64-QAM"},
+ {7, "128-QAM"},
+ {8, "256-QAM"},
+ {9, "512-QAM"},
+ {10, "1024-QAM"},
+ {11, "2048-QAM"},
+ {12, "4096-QAM"},
+ {0, NULL}
+};
+
+
+static const value_string iuc_vals3[] = {
+ {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 12"},
+ {IUC_RESERVED13, "Reserved 13"},
+ {IUC_RESERVED14, "Reserved 14"},
+ {IUC_EXPANSION, "IUC Expansion"},
+ {0, NULL}
+};
+
+static const value_string last_cw_len_vals[] = {
+ {1, "Fixed"},
+ {2, "Shortened"},
+ {0, NULL}
+};
+
+static const value_string max_scheduled_codes_vals[] = {
+ {1, "Enabled."},
+ {2, "Disabled."},
+ {0, NULL}
+};
+
+static const value_string ranging_required[] = {
+ {0, "No ranging required."},
+ {1, "Unicast initial ranging required."},
+ {2, "Broadcast initial ranging required."},
+ {3, "Probing required."},
+ {0, NULL}
+};
+
+
+static void
+ofdma_ir_pow_ctrl_start_pow(
+ char *buf,
+ guint32 value)
+{
+ g_snprintf(buf, ITEM_LABEL_LENGTH,
+ "%f dBmV/1.6MHz",
+ value/4.0);
+}
+
+static void
+ofdma_ir_pow_ctrl_step_size(
+ char *buf,
+ guint32 value)
+{
+ g_snprintf(buf, ITEM_LABEL_LENGTH,
+ "%f dB",
+ value/4.0);
+}
+
+static const value_string ucd_change_ind_vals[] = {
+ {0, "No changes"},
+ {1, "Changes"},
+ {0, NULL}
+};
+
+static const value_string ofdma_cyclic_prefix_size_vals[] = {
+ {1, "96 samples"},
+ {2, "128 samples"},
+ {3, "160 samples"},
+ {4, "192 samples"},
+ {5, "224 samples"},
+ {6, "256 samples"},
+ {7, "288 samples"},
+ {8, "320 samples"},
+ {9, "384 samples"},
+ {10, "512 samples"},
+ {11, "640 samples"},
+ {0, NULL}
+};
+
+static const value_string ofdma_rolloff_period_size_vals[] = {
+ {1, "0 samples"},
+ {2, "32 samples"},
+ {3, "64 samples"},
+ {4, "96 samples"},
+ {5, "128 samples"},
+ {6, "160 samples"},
+ {7, "192 samples"},
+ {8, "224 samples"},
+ {0, NULL}
+};
+
+static const value_string subc_spacing_vals[] = {
+ {1, "25 kHz (corresponds to 4096 subcarriers and 16 subcarriers per minislot)"},
+ {2, "50 kHz (corresponds to 2048 subcarriers and 8 subcarriers per minislot)"},
+ {0, NULL}
+};
+
+static void
+subcarrier_range (
+ char *buf,
+ guint32 value)
+{
+ g_snprintf(buf, ITEM_LABEL_LENGTH,
+ "%u - %u",
+ value >> 16, value &0xFFFF);
+}
+
+/* Dissection */
+static void
+dissect_type51ucd_burstdescriptor(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, guint16 start, guint16 length)
+{
+ guint16 endtlvpos, pos;
+ guint16 i;
+ proto_tree *type51ucd_burst_tree;
+ proto_item *type51ucd_burst_item;
+ guint8 tlvlen, tlvtype;
+
+ pos = start;
+ proto_tree_add_item (tree, hf_docsis_type51ucd_iuc, tvb, pos++, 1, ENC_BIG_ENDIAN);
+
+ endtlvpos = pos + length - 1;
+ while (pos < endtlvpos)
+ {
+ tlvtype = tvb_get_guint8 (tvb, pos);
+ type51ucd_burst_tree = proto_tree_add_subtree (tree, tvb, pos, -1,
+ ett_docsis_type51_burst_tlv, &type51ucd_burst_item,
+ val_to_str(tlvtype, burst_tlv_vals,
+ "Unknown TLV (%u)"));
+ proto_tree_add_uint (type51ucd_burst_tree, hf_docsis_type51ucd_burst_type, tvb, pos++, 1, tlvtype);
+ tlvlen = tvb_get_guint8 (tvb, pos);
+ proto_tree_add_uint (type51ucd_burst_tree, hf_docsis_type51ucd_burst_length, tvb, pos++, 1, tlvlen);
+ proto_item_set_len(type51ucd_burst_item, tlvlen + 2);
+ switch (tlvtype)
+ {
+ case type51ucd_MODULATION:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_mod_type, tvb,
+ pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_DIFF_ENCODING:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_diff_encoding,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_PREAMBLE_LEN:
+ if (tlvlen == 2)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_preamble_len,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_PREAMBLE_VAL_OFF:
+ if (tlvlen == 2)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_preamble_val_off,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_FEC:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_fec, tvb, pos,
+ tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_FEC_CODEWORD:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_fec_codeword,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCRAMBLER_SEED:
+ if (tlvlen == 2)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_scrambler_seed,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_MAX_BURST:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_max_burst, tvb,
+ pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_GUARD_TIME:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_guard_time,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_LAST_CW_LEN:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_last_cw_len,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCRAMBLER_ONOFF:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_burst_scrambler_onoff,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_RS_INT_DEPTH:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_rs_int_depth,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_RS_INT_BLOCK:
+ if (tlvlen == 2)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_rs_int_block,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_PREAMBLE_TYPE:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_preamble_type,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCMDA_SCRAMBLER_ONOFF:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_scdma_scrambler_onoff,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_CODES_PER_SUBFRAME:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_scdma_codes_per_subframe,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_FRAMER_INT_STEP_SIZE:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_scdma_framer_int_step_size,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_TCM_ENABLED:
+ if (tlvlen == 1)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_tcm_enabled,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SUBC_INIT_RANG:
+ if (tlvlen == 2)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_subc_init_rang,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SUBC_FINE_RANG:
+ if (tlvlen == 2)
+ {
+ proto_tree_add_item (type51ucd_burst_tree,
+ hf_docsis_subc_fine_rang,
+ tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_OFDMA_PROFILE:
+ if ((tlvlen % 2) == 0)
+ {
+ for(i =0; i < tlvlen; i+=2) {
+ proto_tree_add_item (type51ucd_burst_tree, hf_docsis_type51ucd_ofdma_prof_mod_order, tvb, pos + i, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51ucd_burst_tree, hf_docsis_type51ucd_ofdma_prof_pilot_pattern, tvb, pos + i, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51ucd_burst_tree, hf_docsis_type51ucd_ofdma_prof_num_add_minislots, tvb, pos + i + 1, 1, ENC_BIG_ENDIAN);
+ }
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u (even length expected)", length);
+ }
+ break;
+ case type51ucd_OFDMA_IR_POWER_CONTROL:
+ if (tlvlen == 2)
+ {
+ proto_tree_add_item (type51ucd_burst_tree, hf_docsis_ofdma_ir_pow_ctrl_start_pow, tvb, pos, tlvlen, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51ucd_burst_tree, hf_docsis_ofdma_ir_pow_ctrl_step_size, tvb, pos + 1, tlvlen, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u (even length expected)", length);
+ }
+ break;
+ default:
+ expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvtype_bad, "Unknown TLV type: %u", tlvtype);
+
+ }
+ pos = pos + tlvlen;
+ } /*while*/
+}
+
+
+static int
+dissect_type51ucd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_)
+{
+ guint16 pos;
+ guint8 type, length;
+ guint16 i;
+
+ proto_tree *type51ucd_tree;
+ proto_item *type51ucd_item;
+ proto_tree *type51tlv_tree;
+ proto_item *type51tlv_item;
+ guint16 len;
+ guint8 upchid, symrate;
+
+ len = tvb_reported_length(tvb);
+ upchid = tvb_get_guint8 (tvb, 0);
+
+ /* if the upstream Channel ID is 0 then this is for Telephony Return) */
+ if (upchid > 0)
+ col_add_fstr (pinfo->cinfo, COL_INFO,
+ "Type 51 UCD Message: Channel ID = %u (U%u)", upchid,
+ upchid - 1);
+ else
+ col_add_fstr (pinfo->cinfo, COL_INFO,
+ "Type 51 UCD Message: Channel ID = %u (Telephony Return)",
+ upchid);
+
+ type51ucd_item =
+ proto_tree_add_protocol_format (tree, proto_docsis_type51ucd, tvb, 0,
+ tvb_captured_length(tvb),
+ "UCD Message (Type 51)");
+ type51ucd_tree = proto_item_add_subtree (type51ucd_item, ett_docsis_type51ucd);
+ proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_upstream_chid, tvb, 0, 1,
+ ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_config_ch_cnt, tvb, 1, 1,
+ ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_mini_slot_size, tvb, 2, 1,
+ ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_down_chid, tvb, 3, 1,
+ ENC_BIG_ENDIAN);
+
+ pos = 4;
+ while (pos < len)
+ {
+ type = tvb_get_guint8 (tvb, pos);
+ type51tlv_tree = proto_tree_add_subtree(type51ucd_tree, tvb, pos, -1,
+ ett_docsis_type51tlv, &type51tlv_item,
+ val_to_str(type, channel_tlv_vals,
+ "Unknown TLV (%u)"));
+ proto_tree_add_uint (type51tlv_tree, hf_docsis_type51ucd_type,
+ tvb, pos, 1, type);
+ pos++;
+ length = tvb_get_guint8 (tvb, pos);
+ proto_tree_add_uint (type51tlv_tree, hf_docsis_type51ucd_length,
+ tvb, pos, 1, length);
+ pos++;
+ proto_item_set_len(type51tlv_item, length + 2);
+ switch (type)
+ {
+ case type51ucd_SYMBOL_RATE:
+ if (length == 1)
+ {
+ symrate = tvb_get_guint8 (tvb, pos);
+ proto_tree_add_uint (type51tlv_tree, hf_docsis_type51ucd_symbol_rate,
+ tvb, pos, length, symrate * 160);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_FREQUENCY:
+ if (length == 4)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_frequency, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_PREAMBLE:
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_preamble_pat, tvb,
+ pos, length, ENC_NA);
+ break;
+ case type51ucd_EXT_PREAMBLE:
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ext_preamble, tvb,
+ pos, length, ENC_NA);
+ break;
+ case type51ucd_SCDMA_MODE_ENABLE:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_mode_enable,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_SPREADING_INTERVAL:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_spreading_interval,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_CODES_PER_MINI_SLOT:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_codes_per_mini_slot,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_ACTIVE_CODES:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_active_codes,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_CODE_HOPPING_SEED:
+ if (length == 2)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_code_hopping_seed,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_US_RATIO_NUM:
+ if (length == 2)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_us_ratio_num,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_US_RATIO_DENOM:
+ if (length == 2)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_us_ratio_denom,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_TIMESTAMP_SNAPSHOT:
+ if (length == 9)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_timestamp_snapshot,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_maintain_power_spectral_density,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_RANGING_REQUIRED:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ranging_required,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_MAX_SCHEDULED_CODES:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_max_scheduled_codes,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD:
+ if (length == 4)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_cm, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_erouter, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_emta, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_estb, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_rsvd, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_id_ext, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_RANGING_CHANNEL_CLASS_ID:
+ if (length == 4)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_cm, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_erouter, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_emta, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_estb, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_rsvd, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_id_ext, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_active_code_hopping,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES:
+ if (length == 16)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_selection_active_codes,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_HIGHER_UCD_FOR_SAME_UCID:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_higher_ucd_for_same_ucid,
+ tvb, pos, length, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_higher_ucd_for_same_ucid_resv, tvb,
+ pos, length, ENC_BIG_ENDIAN);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_UCD_CHANGE_IND_BITMASK:
+ if (length == 2)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_subc_excl_band,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_unused_subc,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_other_subc,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc5,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc6,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc9,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc10,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc11,
+ tvb, pos + 1, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc12,
+ tvb, pos, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc13,
+ tvb, pos, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc3_or_4,
+ tvb, pos, 1, ENC_NA);
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_reserved,
+ tvb, pos, 1, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_OFDMA_TIMESTAMP_SNAPSHOT:
+ if (length == 9)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ofdma_timestamp_snapshot,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_OFDMA_CYCLIC_PREFIX_SIZE:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ofdma_cyclic_prefix_size,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ofdma_rolloff_period_size,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SUBCARRIER_SPACING:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_subc_spacing,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_CENTER_FREQ_SUBC_0:
+ if (length == 4)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_cent_freq_subc0,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SUBC_EXCL_BAND:
+ if ((length % 4) == 0)
+ {
+ for(i = 0; i < length; i+=4) {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_subcarrier_range, tvb, pos+i, 4, ENC_NA);
+ }
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_UNUSED_SUBC_SPEC:
+ if ((length % 4) == 0)
+ {
+ for(i = 0; i < length; i+=4) {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_subcarrier_range, tvb, pos+i, 4, ENC_NA);
+ }
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_SYMB_IN_OFDMA_FRAME:
+ if (length == 1)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_symb_ofdma_frame,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_RAND_SEED:
+ if (length == 3)
+ {
+ proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rand_seed,
+ tvb, pos, length, ENC_NA);
+ }
+ else
+ {
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
+ }
+ break;
+ case type51ucd_BURST_DESCR23:
+ dissect_type51ucd_burstdescriptor(tvb, pinfo, type51tlv_tree, pos, length);
+ break;
+ default:
+ expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvtype_bad, "Unknown TLV type: %u", type);
+ } /* switch(type) */
+ pos = pos + length;
+ } /* while (pos < len) */
+ return len;
+}
+
+/* Register the protocol with Wireshark */
+void
+proto_register_docsis_type51ucd (void)
+{
+ static hf_register_info hf[] = {
+ {&hf_docsis_type51ucd_upstream_chid,
+ {"Upstream Channel ID", "docsis_type51ucd.upchid",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_config_ch_cnt,
+ {"Config Change Count", "docsis_type51ucd.confcngcnt",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Configuration Change Count", HFILL}
+ },
+ {&hf_docsis_type51ucd_mini_slot_size,
+ {"Mini Slot Size (6.25us TimeTicks)", "docsis_type51ucd.mslotsize",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_down_chid,
+ {"Downstream Channel ID", "docsis_type51ucd.downchid",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Management Message", HFILL}
+ },
+ {&hf_docsis_type51ucd_type,
+ {"Type", "docsis_type51ucd.type",
+ FT_UINT8, BASE_DEC, VALS(channel_tlv_vals), 0x0,
+ "Channel TLV type", HFILL}
+ },
+ {&hf_docsis_type51ucd_length,
+ {"Length", "docsis_type51ucd.length",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Channel TLV length", HFILL}
+ },
+ {&hf_docsis_type51ucd_burst_type,
+ {"Type", "docsis_type51ucd.burst.tlvtype",
+ FT_UINT8, BASE_DEC, VALS(burst_tlv_vals), 0x0,
+ "Burst TLV type", HFILL}
+ },
+ {&hf_docsis_type51ucd_burst_length,
+ {"Length", "docsis_type51ucd.burst.tlvlen",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Burst TLV length", HFILL}
+ },
+ {&hf_docsis_type51ucd_symbol_rate,
+ {"Symbol Rate (ksym/sec)", "docsis_type51ucd.symrate",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Symbol Rate", HFILL}
+ },
+ {&hf_docsis_type51ucd_frequency,
+ {"Frequency (Hz)", "docsis_type51ucd.freq",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ "Upstream Center Frequency", HFILL}
+ },
+ {&hf_docsis_type51ucd_preamble_pat,
+ {"Preamble Pattern", "docsis_type51ucd.preamble",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ "Preamble Superstring", HFILL}
+ },
+ {&hf_docsis_type51ucd_iuc,
+ {"Interval Usage Code", "docsis_type51ucd.iuc",
+ FT_UINT8, BASE_DEC, VALS (iuc_vals3), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_mod_type,
+ {"Modulation Type", "docsis_type51ucd.burst.modtype",
+ FT_UINT8, BASE_DEC, VALS (mod_vals2), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_diff_encoding,
+ {"Differential Encoding", "docsis_type51ucd.burst.diffenc",
+ FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_preamble_len,
+ {"Preamble Length (Bits)", "docsis_type51ucd.burst.preamble_len",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_preamble_val_off,
+ {"Preamble Offset (Bits)", "docsis_type51ucd.burst.preamble_off",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_fec,
+ {"FEC (T)", "docsis_type51ucd.burst.fec",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "FEC (T) Codeword Parity Bits = 2^T", HFILL}
+ },
+ {&hf_docsis_burst_fec_codeword,
+ {"FEC Codeword Info bytes (k)", "docsis_type51ucd.burst.fec_codeword",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_scrambler_seed,
+ {"Scrambler Seed", "docsis_type51ucd.burst.scrambler_seed",
+ FT_UINT16, BASE_HEX, NULL, 0x0,
+ "Burst Descriptor", HFILL}
+ },
+ {&hf_docsis_burst_max_burst,
+ {"Max Burst Size (Minislots)", "docsis_type51ucd.burst.maxburst",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_guard_time,
+ {"Guard Time Size (Symbol Times)", "docsis_type51ucd.burst.guardtime",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Guard Time Size", HFILL}
+ },
+ {&hf_docsis_burst_last_cw_len,
+ {"Last Codeword Length", "docsis_type51ucd.burst.last_cw_len",
+ FT_UINT8, BASE_DEC, VALS (last_cw_len_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_burst_scrambler_onoff,
+ {"Scrambler On/Off", "docsis_type51ucd.burst.scrambleronoff",
+ FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ext_preamble,
+ {"Extended Preamble Pattern", "docsis_type51ucd.extpreamble",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_mode_enable,
+ {"SCDMA Mode Enable", "docsis_type51ucd.scdmaenable",
+ FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_spreading_interval,
+ {"SCDMA Spreading Interval", "docsis_type51ucd.scdmaspreadinginterval",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_codes_per_mini_slot,
+ {"SCDMA Codes per mini slot", "docsis_type51ucd.scdmacodesperminislot",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_active_codes,
+ {"SCDMA Active Codes", "docsis_type51ucd.scdmaactivecodes",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_code_hopping_seed,
+ {"SCDMA Code Hopping Seed", "docsis_type51ucd.scdmacodehoppingseed",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_us_ratio_num,
+ {"SCDMA US Ratio Numerator", "docsis_type51ucd.scdmausrationum",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_us_ratio_denom,
+ {"SCDMA US Ratio Denominator", "docsis_type51ucd.scdmausratiodenom",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_timestamp_snapshot,
+ {"SCDMA Timestamp Snapshot", "docsis_type51ucd.scdmatimestamp",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_maintain_power_spectral_density,
+ {"Maintain power spectral density", "docsis_type51ucd.maintainpowerspectraldensity",
+ FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ranging_required,
+ {"Ranging Required", "docsis_type51ucd.rangingrequired",
+ FT_UINT8, BASE_DEC, VALS (ranging_required), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_rnghoff_cm,
+ {"Ranging Hold-Off (CM)","docsis_type51ucd.rnghoffcm",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x1,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_rnghoff_erouter,
+ {"Ranging Hold-Off (eRouter)",
+ "docsis_type51ucd.rnghofferouter",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x2,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_rnghoff_emta,
+ {"Ranging Hold-Off (eMTA or EDVA)",
+ "docsis_type51ucd.rnghoffemta",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x4,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_rnghoff_estb,
+ {"Ranging Hold-Off (DSG/eSTB)",
+ "docsis_type51ucd.rnghoffestb",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x8,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_rnghoff_rsvd,
+ {"Reserved [0x000000]",
+ "docsis_type51ucd.rnghoffrsvd",
+ FT_UINT32, BASE_HEX, NULL, 0xFFF0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_rnghoff_id_ext,
+ {"CM Ranging Class ID Extension",
+ "docsis_type51ucd.rngidext",
+ FT_UINT32, BASE_HEX, NULL, 0xFFFF0000,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_chan_class_id_cm,
+ {"Channel Class ID (CM)","docsis_type51ucd.classidcm",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x1,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_chan_class_id_erouter,
+ {"Channel Class ID (eRouter)",
+ "docsis_type51ucd.classiderouter",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x2,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_chan_class_id_emta,
+ {"Channel Class ID (eMTA or EDVA)",
+ "docsis_type51ucd.classidemta",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x4,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_chan_class_id_estb,
+ {"Channel Class ID (DSG/eSTB)",
+ "docsis_type51ucd.classidestb",
+ FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x8,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_chan_class_id_rsvd,
+ {"Reserved [0x000000]",
+ "docsis_type51ucd.classidrsvd",
+ FT_UINT32, BASE_HEX, NULL, 0xFFF0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_chan_class_id_id_ext,
+ {"CM Ranging Class ID Extension",
+ "docsis_type51ucd.classidext",
+ FT_UINT32, BASE_HEX, NULL, 0xFFFF0000,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_active_code_hopping,
+ {"S-CDMA Selection Mode for Active Codes and Code Hopping", "docsis_type51ucd.selectcodehop",
+ FT_UINT8, BASE_DEC, VALS (tlv20_vals), 0x0,
+ "SCDMA Selection Mode for Active Codes and Code Hopping", HFILL}
+ },
+ {&hf_docsis_type51ucd_scdma_selection_active_codes,
+ {"S-CDMA Selection String for Active Codes", "docsis_type51ucd.selectcode",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ "SCDMA Selection String for Active Codes", HFILL}
+ },
+ {&hf_docsis_type51ucd_higher_ucd_for_same_ucid,
+ {"Higher UCD for the same UCID", "docsis_type51ucd.highucdpresent",
+ FT_BOOLEAN, 8, TFS(&type51ucd_tfs_present_not_present), 0x1,
+ "Higher UCD for the same UCID present bitmap", HFILL}
+ },
+ {&hf_docsis_type51ucd_higher_ucd_for_same_ucid_resv,
+ {"Reserved", "docsis_type51ucd.highucdresv",
+ FT_UINT8, BASE_HEX, NULL, 0xFE,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_max_scheduled_codes,
+ {"S-CDMA Max Scheduled Codes", "docsis_type51ucd.scdmamaxcodes",
+ FT_UINT8, BASE_DEC, VALS (max_scheduled_codes_vals), 0x0,
+ "S-CDMA Maximum Scheduled Codes", HFILL}
+ },
+ {&hf_docsis_rs_int_depth,
+ {"Scrambler On/Off", "docsis_type51ucd.burst.rsintdepth",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "R-S Interleaver Depth", HFILL}
+ },
+ {&hf_docsis_rs_int_block,
+ {"Scrambler On/Off", "docsis_type51ucd.burst.rsintblock",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "R-S Interleaver Block", HFILL}
+ },
+ {&hf_docsis_preamble_type,
+ {"Scrambler On/Off", "docsis_type51ucd.burst.preambletype",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Preamble Type", HFILL}
+ },
+ {&hf_docsis_scdma_scrambler_onoff,
+ {"Scrambler On/Off", "docsis_type51ucd.burst.scdmascrambleronoff",
+ FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
+ "SCDMA Scrambler On/Off", HFILL}
+ },
+ {&hf_docsis_scdma_codes_per_subframe,
+ {"SCDMA Codes per Subframe", "docsis_type51ucd.burst.scdmacodespersubframe",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_scdma_framer_int_step_size,
+ {"SCDMA Framer Interleaving Step Size", "docsis_type51ucd.burst.scdmaframerintstepsize",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_tcm_enabled,
+ {"TCM Enabled", "docsis_type51ucd.burst.tcmenabled",
+ FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_subc_init_rang,
+ {"Subcarriers (Nir) Initial Ranging", "docsis_type51ucd.burst.subc_init_rang",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_subc_fine_rang,
+ {"Subcarriers (Nfr) Fine Ranging", "docsis_type51ucd.burst.subc_fine_rang",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ofdma_prof_mod_order,
+ {"OFDMA Profile: modulation", "docsis_type51ucd.burst.ofma_prof_mod_order",
+ FT_UINT8, BASE_DEC, VALS(ofdma_prof_mod_order), 0xF0,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ofdma_prof_pilot_pattern,
+ {"OFDMA Profile: pilot pattern", "docsis_type51ucd.burst.ofma_prof_pilot_pattern",
+ FT_UINT8, BASE_DEC, NULL, 0x0F,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ofdma_prof_num_add_minislots,
+ {"OFDMA Profile: Additional Minislots that have identical bit-loading and pilot pattern index", "docsis_type51ucd.burst.ofma_prof_add_minislots",
+ FT_UINT8, BASE_DEC, NULL, 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_ofdma_ir_pow_ctrl_start_pow,
+ {"OFDMA IR Power Control Starting Power Level", "docsis_type51ucd.burst.ofma_ir_pow_ctrl_start_pow",
+ FT_UINT8, BASE_CUSTOM, CF_FUNC(ofdma_ir_pow_ctrl_start_pow), 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_ofdma_ir_pow_ctrl_step_size,
+ {"OFDMA IR Power Control Step Size", "docsis_type51ucd.burst.ofma_ir_pow_ctrl_step_size",
+ FT_UINT8, BASE_CUSTOM, CF_FUNC(ofdma_ir_pow_ctrl_step_size), 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_subc_excl_band,
+ {"UCD Change Indicator Bitmask: Subcarrier Exclusion Band TLV", "docsis_type51ucd.burst.ucd_change_ind_bitmask_subc_excl_band",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x01,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_unused_subc,
+ {"UCD Change Indicator Bitmask: Unused Subcarrier Specification TLV", "docsis_type51ucd.burst.ucd_change_ind_bitmask_unused_subc",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x02,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_other_subc,
+ {"UCD Change Indicator Bitmask: Other than Subcarrier Exclusion Band and Unused Subcarrier Specification TLV", "docsis_type51ucd.burst.ucd_change_ind_bitmask_other_subc",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x04,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc5,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC5", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc5",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x08,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc6,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC6", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc6",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x10,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc9,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC9", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc9",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x20,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc10,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC10", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc10",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x40,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc11,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC11", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc11",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x80,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc12,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC12", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc12",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x01,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc13,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC13", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc13",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x02,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc3_or_4,
+ {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC3 or IUC4", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc3_or_4",
+ FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x04,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ucd_change_ind_bitmask_reserved,
+ {"UCD Change Indicator Bitmask: Reserved", "docsis_type51ucd.burst.ucd_change_ind_bitmask_reserved",
+ FT_UINT8, BASE_HEX, NULL, 0xF8,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ofdma_timestamp_snapshot,
+ {"OFDMA Timestamp Snapshot", "docsis_type51ucd.ofdma_timestamp_snapshot",
+ FT_BYTES, BASE_NONE, NULL, 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ofdma_cyclic_prefix_size,
+ {"OFDMA Cyclic Prefix Size", "docsis_type51ucd.ofdma_cyclic_prefix_size",
+ FT_UINT8, BASE_DEC, VALS(ofdma_cyclic_prefix_size_vals), 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_ofdma_rolloff_period_size,
+ {"OFDMA Rolloff Period Size", "docsis_type51ucd.ofdma_rolloff_period_size",
+ FT_UINT8, BASE_DEC, VALS(ofdma_rolloff_period_size_vals), 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_subc_spacing,
+ {"Subcarrier Spacing", "docsis_type51ucd.subc_spacing",
+ FT_UINT8, BASE_DEC, VALS(subc_spacing_vals), 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_cent_freq_subc0,
+ {"Center Frequency of Subcarrier 0", "docsis_type51ucd.cent_freq_subc0",
+ FT_UINT8, BASE_DEC, NULL, 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_subcarrier_range,
+ {"Subcarrier range", "docsis_type51ucd.subc_range",
+ FT_UINT32, BASE_CUSTOM, CF_FUNC(subcarrier_range), 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_symb_ofdma_frame,
+ {"Symbols in OFDMA frame", "docsis_type51ucd.symb_ofdma_frame",
+ FT_UINT8, BASE_DEC, NULL, 0x00,
+ NULL, HFILL}
+ },
+ {&hf_docsis_type51ucd_rand_seed,
+ {"Randomization Seed", "docsis_type51ucd.rand_seed",
+ FT_BYTES, BASE_NONE, NULL, 0x00,
+ NULL, HFILL}
+ },
+ };
+
+
+
+ static ei_register_info ei[] = {
+ {&ei_docsis_type51ucd_tlvlen_bad, {"docsis_type51ucd.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}},
+ {&ei_docsis_type51ucd_tlvtype_bad, {"docsis_type51ucd.tlvtypebad", PI_PROTOCOL, PI_WARN, "Bad TLV type", EXPFILL}},
+ };
+
+ static gint *ett[] = {
+ &ett_docsis_type51ucd,
+ &ett_docsis_type51tlv,
+ &ett_docsis_type51_burst_tlv,
+ };
+
+ expert_module_t* expert_docsis_type51ucd;
+
+ proto_docsis_type51ucd =
+ proto_register_protocol ("DOCSIS Upstream Channel Descriptor Type 51",
+ "DOCSIS type51ucd", "docsis_type51ucd");
+
+ proto_register_field_array (proto_docsis_type51ucd, hf, array_length (hf));
+ proto_register_subtree_array (ett, array_length (ett));
+ expert_docsis_type51ucd = expert_register_protocol(proto_docsis_type51ucd);
+ expert_register_field_array(expert_docsis_type51ucd, ei, array_length(ei));
+
+ register_dissector ("docsis_type51ucd", dissect_type51ucd, proto_docsis_type51ucd);
+}
+
+void
+proto_reg_handoff_docsis_type51ucd (void)
+{
+ dissector_handle_t docsis_type51ucd_handle;
+
+ docsis_type51ucd_handle = find_dissector ("docsis_type51ucd");
+ dissector_add_uint ("docsis_mgmt", 0x33, docsis_type51ucd_handle);
+}
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */