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Diffstat (limited to 'plugins/docsis/packet-dpd.c')
-rw-r--r--plugins/docsis/packet-dpd.c400
1 files changed, 0 insertions, 400 deletions
diff --git a/plugins/docsis/packet-dpd.c b/plugins/docsis/packet-dpd.c
deleted file mode 100644
index 47c509c689..0000000000
--- a/plugins/docsis/packet-dpd.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/* packet-dpd.c
- * Routines for DOCSIS 3.1 Downstream Profile 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>
-
-
-#define SUBCARRIER_ASSIGNMENT_RANGE_LIST 5
-#define SUBCARRIER_ASSIGNMENT_VECTOR 6
-
-#define SUBCARRIER_ASSIGNMENT_RANGE_CONT 0
-#define SUBCARRIER_ASSIGNMENT_RANGE_SKIPBY1 1
-#define SUBCARRIER_ASSIGNMENT_LIST 2
-
-
-void proto_register_docsis_dpd(void);
-void proto_reg_handoff_docsis_dpd(void);
-
-/* Initialize the protocol and registered fields */
-static int proto_docsis_dpd = -1;
-static int hf_docsis_dpd_tlv_unknown = -1;
-static int hf_docsis_dpd_dschid = -1;
-static int hf_docsis_dpd_prof_id = -1;
-static int hf_docsis_dpd_ccc = -1;
-
-static int hf_docsis_dpd_tlv_subc_assign_type = -1;
-static int hf_docsis_dpd_tlv_subc_assign_value = -1;
-static int hf_docsis_dpd_subc_assign_range = -1;
-static int hf_docsis_dpd_tlv_subc_assign_reserved = -1;
-static int hf_docsis_dpd_tlv_subc_assign_modulation = -1;
-static int hf_docsis_dpd_subc_assign_index = -1;
-
-static int hf_docsis_dpd_tlv_subc_assign_vector_oddness = -1;
-static int hf_docsis_dpd_tlv_subc_assign_vector_reserved = -1;
-static int hf_docsis_dpd_tlv_subc_assign_vector_subc_start = -1;
-static int hf_docsis_dpd_tlv_subc_assign_vector_modulation_odd = -1;
-static int hf_docsis_dpd_tlv_subc_assign_vector_modulation_even = -1;
-static int hf_docsis_dpd_tlv_data = -1;
-static int hf_docsis_dpd_type = -1;
-static int hf_docsis_dpd_length = -1;
-
-
-
-static expert_field ei_docsis_dpd_tlvlen_bad = EI_INIT;
-static expert_field ei_docsis_dpd_value_unknown = EI_INIT;
-
-
-/* Initialize the subtree pointers */
-static gint ett_docsis_dpd = -1;
-static gint ett_docsis_dpd_tlv = -1;
-static gint ett_docsis_dpd_tlvtlv = -1;
-static gint ett_docsis_dpd_tlv_subcarrier_assignment = -1;
-static gint ett_docsis_dpd_tlv_subcarrier_assignment_vector = -1;
-
-static dissector_handle_t docsis_dpd_handle;
-
-/*BASE_CUSTOM function for subcarrier range*/
-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_dpd_subc_assign_type_str[] = {
- {0, "range, continuous"},
- {1, "range, skip by 1"},
- {2, "list"},
- {3, "reserved"},
- {0, NULL}
-};
-
-static const value_string docsis_dpd_subc_assign_value_str[] = {
- {0, "specific value"},
- {1, "default value"},
- {0, NULL}
-};
-
-static const value_string docsis_dpd_subc_assign_modulation_str[] = {
- {0, "zero-bit loaded"},
- {1, "reserved"},
- {2, "QPSK (for NPC profile only)"},
- {3, "reserved"},
- {4, "16-QAM"},
- {5, "reserved"},
- {6, "64-QAM"},
- {7, "128-QAM"},
- {8, "256-QAM"},
- {9, "512-QAM"},
- {10, "1024-QAM"},
- {11, "2048-QAM"},
- {12, "4096-QAM"},
- {13, "8192-QAM"},
- {14, "16384-QAM"},
- {15, "reserved"},
- {0, NULL}
-};
-
-static const value_string docsis_dpd_tlv_subc_assign_vector_oddness_str[] = {
- {0, "N is even"},
- {1, "N is odd"},
- {0, NULL}
-};
-
-static const value_string docsis_dpd_tlv_subc_assign_vector_modulation_str[] = {
- {0, "zero-bit loaded"},
- {1, "continuous pilot"},
- {2, "QPSK (for NPC profile only)"},
- {3, "reserved"},
- {4, "16-QAM"},
- {5, "reserved"},
- {6, "64-QAM"},
- {7, "128-QAM"},
- {8, "256-QAM"},
- {9, "512-QAM"},
- {10, "1024-QAM"},
- {11, "2048-QAM"},
- {12, "4096-QAM"},
- {13, "8192-QAM"},
- {14, "16384-QAM"},
- {15, "reserved"},
- {0, NULL}
-};
-
-static const value_string dpd_tlv_vals[] = {
- {SUBCARRIER_ASSIGNMENT_RANGE_LIST, "Subcarrier Assignment Range/List"},
- {SUBCARRIER_ASSIGNMENT_VECTOR, "Subcarrier Assignment Vector"},
- {0, NULL}
-};
-
-
-/* Dissection */
-static void
-dissect_dpd_subcarrier_assignment_range_list(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, guint pos, guint len)
-{
- guint32 i, subcarrier_assignment_type;
- proto_item* type_item;
-
- type_item = proto_tree_add_item_ret_uint (tree, hf_docsis_dpd_tlv_subc_assign_type, tvb, pos, 1, ENC_BIG_ENDIAN, &subcarrier_assignment_type);
- proto_tree_add_item (tree, hf_docsis_dpd_tlv_subc_assign_value, tvb, pos, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item (tree, hf_docsis_dpd_tlv_subc_assign_reserved, tvb, pos, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item (tree, hf_docsis_dpd_tlv_subc_assign_modulation, 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_dpd_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_dpd_subc_assign_index, tvb, pos, 2, ENC_BIG_ENDIAN);
- pos += 2;
- }
- break;
- default:
- expert_add_info_format(pinfo, type_item, &ei_docsis_dpd_value_unknown, "Unknown subcarrier assignment type: %u", subcarrier_assignment_type);
- break;
- }
-}
-
-static void
-dissect_dpd_subcarrier_assignment_vector(tvbuff_t * tvb, proto_tree * tree, guint start, guint len)
-{
- guint32 subcarrier_assignment_vector_oddness;
- guint vector_index;
-
- proto_tree_add_item_ret_uint (tree, hf_docsis_dpd_tlv_subc_assign_vector_oddness, tvb, start, 1, ENC_BIG_ENDIAN, &subcarrier_assignment_vector_oddness);
- proto_tree_add_item (tree, hf_docsis_dpd_tlv_subc_assign_vector_reserved, tvb, start, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item (tree, hf_docsis_dpd_tlv_subc_assign_vector_subc_start, tvb, start, 2, ENC_BIG_ENDIAN);
-
- for(vector_index = 0; vector_index < len; ++vector_index)
- {
- proto_tree_add_item (tree, hf_docsis_dpd_tlv_subc_assign_vector_modulation_odd, tvb, start + 2 + vector_index, 1, ENC_BIG_ENDIAN);
- if (!((vector_index == len -1) && subcarrier_assignment_vector_oddness))
- {
- proto_tree_add_item (tree, hf_docsis_dpd_tlv_subc_assign_vector_modulation_even, tvb, start + 2 + vector_index, 1, ENC_BIG_ENDIAN);
- }
- }
-}
-
-
-static void
-dissect_dpd_tlv (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
-{
- proto_item *it, *tlv_item, *tlv_len_item;
- proto_tree *tlv_tree;
- guint pos = 0;
- guint length;
- guint8 type;
-
- it = proto_tree_add_item(tree, hf_docsis_dpd_tlv_data, tvb, 0, tvb_reported_length(tvb), ENC_NA);
- tlv_tree = proto_item_add_subtree (it, ett_docsis_dpd_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_dpd_tlvtlv, &tlv_item,
- val_to_str(type, dpd_tlv_vals,
- "Unknown TLV (%u)"));
- proto_tree_add_uint (tlv_tree, hf_docsis_dpd_type, tvb, pos, 1, type);
- pos++;
- if (type != SUBCARRIER_ASSIGNMENT_VECTOR)
- {
- tlv_len_item = proto_tree_add_item_ret_uint (tlv_tree, hf_docsis_dpd_length, tvb, pos, 1, ENC_NA, &length);
- pos++;
- proto_item_set_len(tlv_item, length + 2);
- }
-
- switch (type)
- {
- case SUBCARRIER_ASSIGNMENT_RANGE_LIST:
- if (length >= 5)
- {
- dissect_dpd_subcarrier_assignment_range_list(tvb, pinfo, tlv_tree, pos, length);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dpd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- case SUBCARRIER_ASSIGNMENT_VECTOR:
- /*FOR THIS TYPE, LENGTH IS 2 BYTES INSTEAD OF 1 */
- tlv_len_item = proto_tree_add_item_ret_uint (tlv_tree, hf_docsis_dpd_length, tvb, pos, 2, ENC_BIG_ENDIAN, &length);
- pos += 2;
- proto_item_set_len(tlv_item, length + 2);
- if (length >=2)
- {
- dissect_dpd_subcarrier_assignment_vector(tvb, tlv_tree, pos, length);
- }
- else
- {
- expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_dpd_tlvlen_bad, "Wrong TLV length: %u", length);
- }
- break;
- default:
- proto_tree_add_item (tlv_tree, hf_docsis_dpd_tlv_unknown, tvb, pos - 2, length+2, ENC_NA);
- expert_add_info_format(pinfo, tlv_item, &ei_docsis_dpd_value_unknown, "Unknown TLV: %u", type);
- break;
- } /* switch */
- pos += length;
- } /* while */
-}
-
-static int
-dissect_dpd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_)
-{
- proto_item *it;
- proto_tree *dpd_tree;
- tvbuff_t *next_tvb;
-
- guint32 downstream_channel_id, profile_identifier, configuration_change_count;
-
- it = proto_tree_add_item(tree, proto_docsis_dpd, tvb, 0, -1, ENC_NA);
- dpd_tree = proto_item_add_subtree (it, ett_docsis_dpd);
- proto_tree_add_item_ret_uint (dpd_tree, hf_docsis_dpd_dschid, tvb, 0, 1, ENC_BIG_ENDIAN, &downstream_channel_id);
- proto_tree_add_item_ret_uint (dpd_tree, hf_docsis_dpd_prof_id, tvb, 1, 1, ENC_BIG_ENDIAN, &profile_identifier);
- proto_tree_add_item_ret_uint (dpd_tree, hf_docsis_dpd_ccc, tvb, 2, 1, ENC_BIG_ENDIAN, &configuration_change_count);
-
- col_add_fstr (pinfo->cinfo, COL_INFO, "DPD: DS CH ID: %u, Profile ID: %u, CCC: %u", downstream_channel_id, profile_identifier, configuration_change_count);
-
- /* Call Dissector TLV's */
- next_tvb = tvb_new_subset_remaining(tvb, 3);
- dissect_dpd_tlv(next_tvb, pinfo, dpd_tree);
-
- return tvb_captured_length(tvb);
-}
-
-/* Register the protocol with Wireshark */
-void
-proto_register_docsis_dpd(void)
-{
- static hf_register_info hf[] = {
- {&hf_docsis_dpd_tlv_unknown,
- {"Unknown TLV", "docsis_dpd.unknown_tlv",
- FT_BYTES, BASE_NONE, NULL, 0x0,
- NULL, HFILL}
- },
- {&hf_docsis_dpd_dschid,
- {"Downstream Channel ID", "docsis_dpd.dschid", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_dpd_prof_id,
- {"Profile Identifier", "docsis_dpd.prof_id", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_dpd_ccc,
- {"Configuration Change Count", "docsis_dpd.ccc", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_type,
- {"Subcarrier Assignment Type", "docsis_dpd.tlv.subc_assign.type", FT_UINT8, BASE_DEC, VALS(docsis_dpd_subc_assign_type_str), 0xC0, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_value,
- {"Subcarrier Assignment Value", "docsis_dpd.tlv.subc_assign.value", FT_UINT8, BASE_DEC, VALS(docsis_dpd_subc_assign_value_str), 0x20, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_reserved,
- {"reserved", "docsis_dpd.tlv.subc_assign.reserved", FT_UINT8, BASE_DEC, NULL, 0x10, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_modulation,
- {"Subcarrier Assignment Modulation", "docsis_dpd.tlv.subc_assign.modulation", FT_UINT8, BASE_DEC, VALS(docsis_dpd_subc_assign_modulation_str), 0x0F, NULL, HFILL}
- },
- {&hf_docsis_dpd_subc_assign_range,
- {"Subcarrier index range", "docsis_dpd.tlv.subc_assign.range", FT_UINT32, BASE_CUSTOM, CF_FUNC(subc_assign_range), 0x00, NULL, HFILL}
- },
- {&hf_docsis_dpd_subc_assign_index,
- {"Subcarrier index", "docsis_dpd.tlv.subc_assign.index", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_vector_oddness,
- {"Odd or even", "docsis_dpd.tlv.subc_assign_vect.oddness", FT_UINT8, BASE_DEC, VALS(docsis_dpd_tlv_subc_assign_vector_oddness_str), 0x80, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_vector_reserved,
- {"Reserved", "docsis_dpd.tlv.subc_assign_vect.reserved", FT_UINT8, BASE_DEC, NULL, 0x60, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_vector_subc_start,
- {"Subcarrier start", "docsis_dpd.tlv.subc_assign_vect.subc_start", FT_UINT16, BASE_DEC, NULL, 0x1FFF, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_vector_modulation_odd,
- {"Modulation", "docsis_dpd.tlv.subc_assign_vect.modulation", FT_UINT8, BASE_DEC, VALS(docsis_dpd_tlv_subc_assign_vector_modulation_str), 0xF0, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_subc_assign_vector_modulation_even,
- {"Modulation", "docsis_dpd.tlv.subc_assign_vect.modulation", FT_UINT8, BASE_DEC, VALS(docsis_dpd_tlv_subc_assign_vector_modulation_str), 0x0F, NULL, HFILL}
- },
- {&hf_docsis_dpd_tlv_data,
- {"TLV Data", "docsis_dpd.tlv_data", FT_BYTES, BASE_NO_DISPLAY_VALUE, NULL, 0x0, NULL, HFILL}
- },
- {&hf_docsis_dpd_type,
- {"Type", "docsis_dpd.type",FT_UINT8, BASE_DEC, VALS(dpd_tlv_vals), 0x0, NULL, HFILL}
- },
- {&hf_docsis_dpd_length,
- {"Length", "docsis_dpd.length",FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
- },
- };
-
- static ei_register_info ei[] = {
- {&ei_docsis_dpd_tlvlen_bad, { "docsis_dpd.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}},
- {&ei_docsis_dpd_value_unknown, { "docsis_dpd.valueunknown", PI_PROTOCOL, PI_WARN, "Unknown value", EXPFILL}}
- };
-
- static gint *ett[] = {
- &ett_docsis_dpd,
- &ett_docsis_dpd_tlv,
- &ett_docsis_dpd_tlvtlv,
- &ett_docsis_dpd_tlv_subcarrier_assignment,
- &ett_docsis_dpd_tlv_subcarrier_assignment_vector
- };
-
- expert_module_t* expert_docsis_dpd;
-
- proto_docsis_dpd = proto_register_protocol ("DOCSIS Downstream Profile Descriptor", "DOCSIS DPD", "docsis_dpd");
-
- proto_register_field_array (proto_docsis_dpd, hf, array_length (hf));
- proto_register_subtree_array (ett, array_length (ett));
- expert_docsis_dpd = expert_register_protocol(proto_docsis_dpd);
- expert_register_field_array(expert_docsis_dpd, ei, array_length(ei));
- docsis_dpd_handle = register_dissector ("docsis_dpd", dissect_dpd, proto_docsis_dpd);
-}
-
-void
-proto_reg_handoff_docsis_dpd (void)
-{
- dissector_add_uint ("docsis_mgmt", 0x32, docsis_dpd_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:
- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-16 09:28:11 +0000