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-rw-r--r--plugins/docsis/packet-ocd.c410
1 files changed, 0 insertions, 410 deletions
diff --git a/plugins/docsis/packet-ocd.c b/plugins/docsis/packet-ocd.c
deleted file mode 100644
index cec82e3386..0000000000
--- a/plugins/docsis/packet-ocd.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/* packet-ocd.c
- * Routines for DOCSIS 3.1 OFDM Channel Descriptor dissection.
- * Copyright 2016, Bruno Verstuyft <bruno.verstuyft@excentis.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>
-
-#include <wsutil/utf8_entities.h>
-
-#define DISCRETE_FOURIER_TRANSFORM_SIZE 0
-#define CYCLIC_PREFIX 1
-#define ROLL_OFF 2
-#define OFDM_SPECTRUM_LOCATION 3
-#define TIME_INTERLEAVING_DEPTH 4
-#define SUBCARRIER_ASSIGNMENT_RANGE_LIST 5
-#define PRIMARY_CAPABILITY_INDICATOR 6
-
-#define SUBCARRIER_ASSIGNMENT_RANGE_CONT 0
-#define SUBCARRIER_ASSIGNMENT_RANGE_SKIPBY1 1
-#define SUBCARRIER_ASSIGNMENT_LIST 2
-
-
-void proto_register_docsis_ocd(void);
-void proto_reg_handoff_docsis_ocd(void);
-
-/* Initialize the protocol and registered fields */
-static int proto_docsis_ocd = -1;
-static int hf_docsis_ocd_tlv_unknown = -1;
-static int hf_docsis_ocd_dschid = -1;
-static int hf_docsis_ocd_ccc = -1;
-
-static int hf_docsis_ocd_tlv_four_trans_size = -1;
-static int hf_docsis_ocd_tlv_cycl_pref = -1;
-static int hf_docsis_ocd_tlv_roll_off = -1;
-static int hf_docsis_ocd_tlv_ofdm_spec_loc = -1;
-static int hf_docsis_ocd_tlv_time_int_depth = -1;
-static int hf_docsis_ocd_tlv_prim_cap_ind = -1;
-
-static int hf_docsis_ocd_tlv_subc_assign_type = -1;
-static int hf_docsis_ocd_tlv_subc_assign_value = -1;
-static int hf_docsis_ocd_subc_assign_subc_type = -1;
-static int hf_docsis_ocd_subc_assign_range = -1;
-static int hf_docsis_ocd_subc_assign_index = -1;
-static int hf_docsis_ocd_tlv_data = -1;
-static int hf_docsis_ocd_type = -1;
-static int hf_docsis_ocd_length = -1;
-
-
-/* Initialize the subtree pointers */
-static gint ett_docsis_ocd = -1;
-static gint ett_docsis_ocd_tlv = -1;
-static gint ett_docsis_ocd_tlvtlv = -1;
-
-static expert_field ei_docsis_ocd_tlvlen_bad = EI_INIT;
-static expert_field ei_docsis_ocd_value_unknown = EI_INIT;
-
-static dissector_handle_t docsis_ocd_handle;
-
-static const value_string docsis_ocd_four_trans_size[] = {
- {0, "4096 subcarriers at 50 kHz spacing"},
- {1, "8192 subcarriers at 25 kHz spacing"},
- {0, NULL}
-};
-
-static const value_string docsis_ocd_cyc_prefix[] = {
- {0, "0.9375 "UTF8_MICRO_SIGN"s with 192 samples"},
- {1, "1.25 "UTF8_MICRO_SIGN"s with 256 samples"},
- {2, "2.5 "UTF8_MICRO_SIGN"s with 512 samples"},
- {3, "3.75 "UTF8_MICRO_SIGN"s with 768 samples"},
- {4, "5.0 "UTF8_MICRO_SIGN"s with 1024 samples"},
- {0, NULL}
-};
-
-static const value_string docsis_ocd_roll_off[] = {
- {0, "0 "UTF8_MICRO_SIGN"s with 0 samples"},
- {1, "0.3125 "UTF8_MICRO_SIGN"s with 64 samples"},
- {2, "0.625 "UTF8_MICRO_SIGN"s with 128 samples"},
- {3, "0.9375 "UTF8_MICRO_SIGN"s with 192 samples"},
- {4, "1.25 "UTF8_MICRO_SIGN"s with 256 samples"},
- {0, NULL}
-};
-
-static const value_string docsis_ocd_prim_cap_ind_str[] = {
- {0, "channel is not primary capable"},
- {1, "channel is primary capable"},
- {0, NULL}
-};
-
-static const value_string ocd_tlv_vals[] = {
- {DISCRETE_FOURIER_TRANSFORM_SIZE, "Discrete Fourier Transform Size"},
- {CYCLIC_PREFIX, "Cylic Prefix"},
- {ROLL_OFF, "Roll Off"},
- {OFDM_SPECTRUM_LOCATION, "OFDM Spectrum Location"},
- {TIME_INTERLEAVING_DEPTH, "Time Interleaving Depth"},
- {SUBCARRIER_ASSIGNMENT_RANGE_LIST, "Subcarrier Assignment Range/List"},
- {PRIMARY_CAPABILITY_INDICATOR, "Primary Capable Indicator"},
- {0, NULL}
-};
-
-/** BASE_CUSTOM formatter for the OFDM spectrum location
- */
-static void
-subc_assign_range(
- char *buf,
- guint32 value)
-{
- g_snprintf(buf, ITEM_LABEL_LENGTH,
- "%u - %u",
- value >> 16, value &0xFFFF);
-}
-
-static const value_string docsis_ocd_subc_assign_type_str[] = {
- {0, "range, continuous"},
- {1, "range, skip by 1"},
- {2, "list"},
- {3, "reserved"},
- {0, NULL}
-};
-
-static const value_string docsis_ocd_subc_assign_value_str[] = {
- {0, "specific value"},
- {1, "default value"},
- {0, NULL}
-};
-
-static const value_string docsis_ocd_subc_assign_subc_type_str[] = {
- {1, "continuous pilot"},
- {16, "excluded subcarriers"},
- {20, "PLC, 16-QAM"},
- {0, NULL}
-};
-
-static const unit_name_string local_units_hz = { "Hz", NULL };
-
-/* Dissection */
-static void
-dissect_subcarrier_assignment_range_list(tvbuff_t * tvb, packet_info* pinfo, proto_tree * tree, guint16 pos, guint32 len)
-{
- proto_item* type_item;
- guint32 i, subcarrier_assignment_type;
-
- type_item = proto_tree_add_item_ret_uint (tree, hf_docsis_ocd_tlv_subc_assign_type, tvb, pos, 1, ENC_BIG_ENDIAN, &subcarrier_assignment_type);
- proto_tree_add_item (tree, hf_docsis_ocd_tlv_subc_assign_value, tvb, pos, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item (tree, hf_docsis_ocd_subc_assign_subc_type, tvb, pos, 1, ENC_BIG_ENDIAN);
- pos++;
-
- switch (subcarrier_assignment_type) {
- case SUBCARRIER_ASSIGNMENT_RANGE_CONT:
- case SUBCARRIER_ASSIGNMENT_RANGE_SKIPBY1:
- proto_tree_add_item (tree, hf_docsis_ocd_subc_assign_range, tvb, pos, 4, ENC_BIG_ENDIAN);
- break;
- case SUBCARRIER_ASSIGNMENT_LIST:
- for (i = 0; i < len/2; ++i) {
- proto_tree_add_item (tree, hf_docsis_ocd_subc_assign_index, tvb, pos, 2, ENC_BIG_ENDIAN);
- pos += 2;
- }
- break;
- default:
- expert_add_info_format(pinfo, type_item, &ei_docsis_ocd_value_unknown, "Unknown subcarrier assignment type %d", subcarrier_assignment_type);
- break;
- }
-}
-
-static void
-dissect_ocd_tlv (tvbuff_t * tvb, packet_info* pinfo, proto_tree * tree)
-{
- proto_item *it, *tlv_item, *tlv_len_item;
- proto_tree *tlv_tree;
- guint16 pos = 0;
- guint8 type;
- guint32 length;
-
- it = proto_tree_add_item(tree, hf_docsis_ocd_tlv_data, tvb, 0, tvb_reported_length(tvb), ENC_NA);
- tlv_tree = proto_item_add_subtree (it, ett_docsis_ocd_tlv);
-
- while (tvb_reported_length_remaining(tvb, pos) > 0)
- {
- type = tvb_get_guint8 (tvb, pos);
- tlv_tree = proto_tree_add_subtree(tlv_tree, tvb, pos, -1,
- ett_docsis_ocd_tlvtlv, &tlv_item,
- val_to_str(type, ocd_tlv_vals,
- "Unknown TLV (%u)"));
- proto_tree_add_uint (tlv_tree, hf_docsis_ocd_type, tvb, pos, 1, type);
- pos++;
- tlv_len_item = proto_tree_add_item_ret_uint (tlv_tree, hf_docsis_ocd_length, tvb, pos, 1, ENC_NA, &length);
- pos++;
- proto_item_set_len(tlv_item, length + 2);
-
- switch (type)
- {
- case DISCRETE_FOURIER_TRANSFORM_SIZE:
- if (length == 1)
- {
- proto_tree_add_item (tlv_tree, hf_docsis_ocd_tlv_four_trans_size, tvb, pos, 1, ENC_BIG_ENDIAN);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ocd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- case CYCLIC_PREFIX:
- if (length == 1)
- {
- proto_tree_add_item (tlv_tree, hf_docsis_ocd_tlv_cycl_pref, tvb, pos, 1, ENC_BIG_ENDIAN);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ocd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- case ROLL_OFF:
- if (length == 1)
- {
- proto_tree_add_item (tlv_tree, hf_docsis_ocd_tlv_roll_off, tvb, pos, 1, ENC_BIG_ENDIAN);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ocd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- case OFDM_SPECTRUM_LOCATION:
- if (length == 4)
- {
- proto_tree_add_item (tlv_tree, hf_docsis_ocd_tlv_ofdm_spec_loc, tvb, pos, 4, ENC_BIG_ENDIAN);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ocd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- case TIME_INTERLEAVING_DEPTH:
- if (length == 1)
- {
- proto_tree_add_item (tlv_tree, hf_docsis_ocd_tlv_time_int_depth, tvb, pos, 1, ENC_BIG_ENDIAN);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ocd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- case SUBCARRIER_ASSIGNMENT_RANGE_LIST:
- if (length >= 5)
- {
- dissect_subcarrier_assignment_range_list(tvb, pinfo, tlv_tree, pos, length);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ocd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- case PRIMARY_CAPABILITY_INDICATOR:
- if (length == 1)
- {
- proto_tree_add_item (tlv_tree, hf_docsis_ocd_tlv_prim_cap_ind, tvb, pos, 1, ENC_BIG_ENDIAN);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ocd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- default:
- proto_tree_add_item (tlv_tree, hf_docsis_ocd_tlv_unknown, tvb, pos - 2, length+2, ENC_NA);
- break;
- } /* switch */
- pos += length;
- } /* while */
-}
-
-static int
-dissect_ocd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_)
-{
- proto_item *it;
- proto_tree *ocd_tree;
- tvbuff_t *next_tvb;
- guint32 downstream_channel_id, configuration_change_count;
-
- it = proto_tree_add_item(tree, proto_docsis_ocd, tvb, 0, -1, ENC_NA);
- ocd_tree = proto_item_add_subtree (it, ett_docsis_ocd);
-
- proto_tree_add_item_ret_uint (ocd_tree, hf_docsis_ocd_dschid, tvb, 0, 1, ENC_BIG_ENDIAN, &downstream_channel_id);
- proto_tree_add_item_ret_uint (ocd_tree, hf_docsis_ocd_ccc, tvb, 1, 1, ENC_BIG_ENDIAN, &configuration_change_count);
-
- col_add_fstr (pinfo->cinfo, COL_INFO, "OCD: DS CH ID: %u, CCC: %u", downstream_channel_id, configuration_change_count);
-
- /* Call Dissector TLV's */
- next_tvb = tvb_new_subset_remaining(tvb, 2);
- dissect_ocd_tlv(next_tvb, pinfo, ocd_tree);
-
- return tvb_captured_length(tvb);
-}
-
-/* Register the protocol with Wireshark */
-void
-proto_register_docsis_ocd(void)
-{
- static hf_register_info hf[] = {
- {&hf_docsis_ocd_tlv_unknown,
- {"Unknown TLV", "docsis_ocd.unknown_tlv", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_dschid,
- {"Downstream Channel ID", "docsis_ocd.dschid", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_ccc,
- {"Configuration Change Count", "docsis_ocd.ccc", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_four_trans_size,
- {"Discrete Fourier Transform Size", "docsis_ocd.tlv.four_trans_size", FT_UINT8, BASE_DEC, VALS (docsis_ocd_four_trans_size), 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_cycl_pref,
- {"Cylic Prefix", "docsis_ocd.tlv.cyc_pref", FT_UINT8, BASE_DEC, VALS (docsis_ocd_cyc_prefix), 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_roll_off,
- {"Roll Off", "docsis_ocd.tlv.roll_off", FT_UINT8, BASE_DEC, VALS (docsis_ocd_roll_off), 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_ofdm_spec_loc,
- {"OFDM Spectrum Location", "docsis_ocd.tlv.ofdm_spec_loc", FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &local_units_hz, 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_time_int_depth,
- {"Time Interleaving Depth", "docsis_ocd.tlv.time_int_depth", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_prim_cap_ind,
- {"Primary Capable Indicator", "docsis_ocd.tlv.prim_cap_ind", FT_UINT8, BASE_DEC, VALS(docsis_ocd_prim_cap_ind_str), 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_subc_assign_type,
- {"Assignment type", "docsis_ocd.tlv.subc_assign.type", FT_UINT8, BASE_DEC, VALS(docsis_ocd_subc_assign_type_str), 0xC0, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_subc_assign_value,
- {"Assignment value", "docsis_ocd.tlv.subc_assign.value", FT_UINT8, BASE_DEC, VALS(docsis_ocd_subc_assign_value_str), 0x20, NULL, HFILL}
- },
- {&hf_docsis_ocd_subc_assign_subc_type,
- {"Subcarrier Type", "docsis_ocd.tlv.subc_assign.subc_type", FT_UINT8, BASE_DEC, VALS(docsis_ocd_subc_assign_subc_type_str), 0x1F, NULL, HFILL}
- },
- {&hf_docsis_ocd_subc_assign_range,
- {"Subcarrier index range", "docsis_ocd.tlv.subc_assign.range", FT_UINT32, BASE_CUSTOM, CF_FUNC(subc_assign_range), 0x00, NULL, HFILL}
- },
- {&hf_docsis_ocd_subc_assign_index,
- {"Subcarrier index", "docsis_ocd.tlv.subc_assign.index", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL}
- },
- {&hf_docsis_ocd_tlv_data,
- {"TLV Data", "docsis_ocd.tlv_data", FT_BYTES, BASE_NO_DISPLAY_VALUE, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_type,
- {"Type", "docsis_ocd.type",FT_UINT8, BASE_DEC, VALS(ocd_tlv_vals), 0x0, NULL, HFILL}
- },
- {&hf_docsis_ocd_length,
- {"Length", "docsis_ocd.length",FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- };
-
- static ei_register_info ei[] = {
- {&ei_docsis_ocd_tlvlen_bad, { "docsis_ocd.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}},
- {&ei_docsis_ocd_value_unknown, { "docsis_ocd.valueunknown", PI_PROTOCOL, PI_WARN, "Unknown value", EXPFILL}}
- };
-
- static gint *ett[] = {
- &ett_docsis_ocd,
- &ett_docsis_ocd_tlv,
- &ett_docsis_ocd_tlvtlv,
- };
-
- expert_module_t* expert_docsis_ocd;
-
- proto_docsis_ocd = proto_register_protocol ("DOCSIS OFDM Channel Descriptor", "DOCSIS OCD", "docsis_ocd");
-
- proto_register_field_array (proto_docsis_ocd, hf, array_length (hf));
- proto_register_subtree_array (ett, array_length (ett));
- expert_docsis_ocd = expert_register_protocol(proto_docsis_ocd);
- expert_register_field_array(expert_docsis_ocd, ei, array_length(ei));
- docsis_ocd_handle = register_dissector ("docsis_ocd", dissect_ocd, proto_docsis_ocd);
-}
-
-void
-proto_reg_handoff_docsis_ocd (void)
-{
- dissector_add_uint ("docsis_mgmt", 0x31, docsis_ocd_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:
- */