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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-trmac.c | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-trmac.c')
-rw-r--r-- | epan/dissectors/packet-trmac.c | 695 |
1 files changed, 695 insertions, 0 deletions
diff --git a/epan/dissectors/packet-trmac.c b/epan/dissectors/packet-trmac.c new file mode 100644 index 00000000..b93a837e --- /dev/null +++ b/epan/dissectors/packet-trmac.c @@ -0,0 +1,695 @@ +/* packet-trmac.c + * Routines for Token-Ring Media Access Control + * Gilbert Ramirez <gram@alumni.rice.edu> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/to_str.h> +#include <epan/expert.h> + +void proto_register_trmac(void); + +static int proto_trmac = -1; +static int hf_trmac_mv = -1; +static int hf_trmac_length = -1; +static int hf_trmac_srcclass = -1; +static int hf_trmac_dstclass = -1; +static int hf_trmac_sv_len = -1; +static int hf_trmac_sv_id = -1; +static int hf_trmac_errors_iso = -1; +static int hf_trmac_errors_line = -1; +static int hf_trmac_errors_internal = -1; +static int hf_trmac_errors_burst = -1; +static int hf_trmac_errors_ac = -1; +static int hf_trmac_errors_abort = -1; +static int hf_trmac_errors_noniso = -1; +static int hf_trmac_errors_lost = -1; +static int hf_trmac_errors_congestion = -1; +static int hf_trmac_errors_fc = -1; +static int hf_trmac_errors_freq = -1; +static int hf_trmac_errors_token = -1; +static int hf_trmac_naun = -1; +static int hf_trmac_beacon_type = -1; +static int hf_trmac_assign_physical_drop_number = -1; +static int hf_trmac_error_code = -1; +static int hf_trmac_group_address32 = -1; +static int hf_trmac_transmit_status_code = -1; +static int hf_trmac_station_identifier = -1; +static int hf_trmac_sa_of_last_amp_or_smp_frame = -1; +static int hf_trmac_error_report_timer_value = -1; +static int hf_trmac_individual_address_count = -1; +static int hf_trmac_correlator = -1; +static int hf_trmac_group_address_ether = -1; +static int hf_trmac_authorized_access_priority = -1; +static int hf_trmac_physical_drop_number = -1; +static int hf_trmac_authorized_function_classes = -1; +static int hf_trmac_local_ring_number = -1; +static int hf_trmac_functional_addresses = -1; +/* Generated from convert_proto_tree_add_text.pl */ +static int hf_trmac_unknown_subvector = -1; +static int hf_trmac_response_code48 = -1; +static int hf_trmac_product_instance_id = -1; +static int hf_trmac_ring_station_version_number = -1; +static int hf_trmac_wrap_data = -1; +static int hf_trmac_ring_station_status = -1; +static int hf_trmac_frame_forward = -1; +static int hf_trmac_response_code32 = -1; + +static gint ett_tr_mac = -1; +static gint ett_tr_sv = -1; +static gint ett_tr_ierr_cnt = -1; +static gint ett_tr_nerr_cnt = -1; + +static expert_field ei_trmac_sv_len = EI_INIT; + +/* Major Vector */ +static const value_string major_vector_vs[] = { + { 0x00, "Response" }, + { 0x02, "Beacon" }, + { 0x03, "Claim Token" }, + { 0x04, "Ring Purge" }, + { 0x05, "Active Monitor Present" }, + { 0x06, "Standby Monitor Present" }, + { 0x07, "Duplicate Address Test" }, + { 0x09, "Transmit Forward" }, + { 0x0B, "Remove Ring Station" }, + { 0x0C, "Change Parameters" }, + { 0x0D, "Initialize Ring Station" }, + { 0x0E, "Request Ring Station Address" }, + { 0x0F, "Request Ring Station Address" }, + { 0x10, "Request Ring Station Attachments" }, + { 0x20, "Request Initialization" }, + { 0x22, "Report Ring Station Address" }, + { 0x23, "Report Ring Station State" }, + { 0x24, "Report Ring Station Attachments" }, + { 0x25, "Report New Active Monitor" }, + { 0x26, "Report NAUN Change" }, + { 0x27, "Report Poll Error" }, + { 0x28, "Report Monitor Errors" }, + { 0x29, "Report Error" }, + { 0x2A, "Report Transmit Forward" }, + { 0x00, NULL } +}; +static value_string_ext major_vector_vs_ext = VALUE_STRING_EXT_INIT(major_vector_vs); + +/* Src. and Dest. Classes */ +static const value_string classes_vs[] = { + { 0x00, "Ring Station" }, + { 0x01, "LLC Manager" }, + { 0x04, "Configuration Report Server" }, + { 0x05, "Ring Parameter Server" }, + { 0x06, "Ring Error Monitor" }, + { 0x00, NULL } +}; + +static const value_string subvector_vs[] = { + { 0x01, "Beacon Type" }, + { 0x02, "Upstream Neighbor's Address" }, + { 0x03, "Local Ring Number" }, + { 0x04, "Assign Physical Drop Number" }, + { 0x05, "Error Report Timer Value" }, + { 0x06, "Authorized Function Classes" }, + { 0x07, "Authorized Access Priority" }, + { 0x09, "Correlator" }, + { 0x0A, "SA of Last AMP or SMP Frame" }, + { 0x0B, "Physical Drop Number" }, + { 0x20, "Response Code" }, + { 0x21, "Individual Address Count" }, + { 0x22, "Product Instance ID" }, + { 0x23, "Ring Station Version Number" }, + { 0x26, "Wrap Data" }, + { 0x27, "Frame Forward" }, + { 0x28, "Station Identifier" }, + { 0x29, "Ring Station Status" }, + { 0x2A, "Transmit Forward Status Code" }, + { 0x2B, "Group Addresses" }, + { 0x2C, "Functional Addresses" }, + { 0x2D, "Isolating Error Counts" }, + { 0x2E, "Non-Isolating Error Counts" }, + { 0x2F, "Function Request ID" }, + { 0x30, "Error Code" }, + { 0x00, NULL } +}; +static value_string_ext subvector_vs_ext = VALUE_STRING_EXT_INIT(subvector_vs); + +static const value_string beacon_vs[] = { + { 0x00, "Recovery mode set" }, + { 0x01, "Signal loss error" }, + { 0x02, "Streaming signal not Claim Token MAC frame" }, + { 0x03, "Streaming signal, Claim Token MAC frame" }, + { 0x00, NULL } +}; + +/* Sub-vectors */ +static int +sv_text(tvbuff_t *tvb, int svoff, packet_info *pinfo, proto_tree *tree) +{ + guint sv_length, sv_id; + guint16 beacon_type, ring; + guint32 error_report_timer_value; + + proto_tree *sv_tree, *sv_subtree; + proto_item *sv_item, *len_item, *ti; + + guchar errors[6]; /* isolating or non-isolating */ + + sv_tree = proto_tree_add_subtree(tree, tvb, svoff+0, 1, ett_tr_sv, &sv_item, "Subvector"); + + sv_length = tvb_get_guint8(tvb, svoff+0); + len_item = proto_tree_add_item(sv_tree, hf_trmac_sv_len, tvb, svoff+0, 1, ENC_BIG_ENDIAN); + + /* Check the SV length; it must be at least 2, to include + the subvector length and indicator. */ + if (sv_length < 2) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Invalid subvector: length < 2"); + return 0; /* tells our caller to give up */ + } + + sv_id = tvb_get_guint8(tvb, svoff+1); + proto_tree_add_item(sv_tree, hf_trmac_sv_id, tvb, svoff+1, 1, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, " (%s)", val_to_str_ext(sv_id, &subvector_vs_ext, "Unknown subvector ID 0x%02X")); + + switch(sv_id) { + case 0x01: /* Beacon Type */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + beacon_type = tvb_get_ntohs(tvb, svoff+2); + proto_tree_add_item(sv_tree, hf_trmac_beacon_type, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %s", val_to_str(beacon_type, beacon_vs, "Illegal value: %d")); + break; + + case 0x02: /* Upstream Neighbor's Address */ + if (sv_length != 8) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 8"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_naun, tvb, svoff+2, sv_length-2, ENC_NA); + proto_item_append_text(sv_item, ": %s", + tvb_ether_to_str(pinfo->pool, tvb, svoff+2)); + break; + + case 0x03: /* Local Ring Number */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + ring = tvb_get_ntohs(tvb, svoff+2); + proto_tree_add_item(sv_tree, hf_trmac_local_ring_number, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": 0x%04X (%d)", ring, ring); + break; + + case 0x04: /* Assign Physical Drop Number */ + if (sv_length != 6) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 6"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_assign_physical_drop_number, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": 0x%08X", tvb_get_ntohl(tvb, svoff+2) ); + break; + + case 0x05: /* Error Report Timer Value */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + + error_report_timer_value = 10 * tvb_get_ntohs(tvb, svoff+2); + proto_tree_add_uint(sv_tree, hf_trmac_error_report_timer_value, tvb, svoff+2, sv_length-2, error_report_timer_value); + proto_item_append_text(sv_item, + ": %u ms", error_report_timer_value ); + break; + + case 0x06: /* Authorized Function Classes */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_authorized_function_classes, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %04X", tvb_get_ntohs(tvb, svoff+2) ); + break; + + case 0x07: /* Authorized Access Priority */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_authorized_access_priority, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %04X", tvb_get_ntohs(tvb, svoff+2) ); + break; + + case 0x09: /* Correlator */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_correlator, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %04X", tvb_get_ntohs(tvb, svoff+2) ); + break; + + case 0x0A: /* SA of Last AMP or SMP Frame */ + if (sv_length != 8) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 8"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_sa_of_last_amp_or_smp_frame, tvb, svoff+2, sv_length-2, ENC_NA); + proto_item_append_text(sv_item, + ": %s", + tvb_ether_to_str(pinfo->pool, tvb, svoff+2)); + break; + + case 0x0B: /* Physical Drop Number */ + if (sv_length != 6) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 6"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_physical_drop_number, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": 0x%08X", tvb_get_ntohl(tvb, svoff+2) ); + break; + + case 0x20: /* Response Code */ + if (sv_length != 4 && sv_length != 6) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4 and != 6"); + break; + } + if (sv_length == 4) { + proto_tree_add_uint_format_value(sv_tree, hf_trmac_response_code32, tvb, svoff+2, sv_length-2, + tvb_get_ntohl(tvb, svoff+2), "0x%04X 0x%02X 0x%02x", + tvb_get_ntohs(tvb, svoff+2), tvb_get_guint8(tvb, svoff+4), tvb_get_guint8(tvb, svoff+5)); + proto_item_append_text(sv_item, + ": 0x%04X 0x%02X 0x%02x", + tvb_get_ntohs(tvb, svoff+2), + tvb_get_guint8(tvb, svoff+4), + tvb_get_guint8(tvb, svoff+5)); + } else { + proto_tree_add_uint64_format_value(sv_tree, hf_trmac_response_code48, tvb, svoff+2, sv_length-2, + tvb_get_ntoh48(tvb, svoff+2), "0x%04X 0x%02X 0x%06X", + tvb_get_ntohs(tvb, svoff+2), + tvb_get_guint8(tvb, svoff+4), + tvb_get_ntoh24(tvb, svoff+5)); + proto_item_append_text(sv_item, + ": 0x%04X 0x%02X 0x%06X", + tvb_get_ntohs(tvb, svoff+2), + tvb_get_guint8(tvb, svoff+4), + tvb_get_ntoh24(tvb, svoff+5)); + } + break; + + case 0x21: /* Individual Address Count */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_individual_address_count, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %u", tvb_get_ntohs(tvb, svoff+2) ); + break; + + case 0x22: /* Product Instance ID */ + proto_tree_add_item(sv_tree, hf_trmac_product_instance_id, tvb, svoff+2, sv_length-2, ENC_NA); + break; + + case 0x23: /* Ring Station Version Number */ + proto_tree_add_item(sv_tree, hf_trmac_ring_station_version_number, tvb, svoff+2, sv_length-2, ENC_NA); + break; + + case 0x26: /* Wrap data */ + proto_tree_add_item(sv_tree, hf_trmac_wrap_data, tvb, svoff+2, sv_length-2, ENC_NA); + break; + + case 0x27: /* Frame Forward */ + proto_tree_add_item(sv_tree, hf_trmac_frame_forward, tvb, svoff+2, sv_length-2, ENC_NA); + break; + + case 0x28: /* Station Identifier */ + if (sv_length != 8) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 8"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_station_identifier, tvb, svoff+2, sv_length-2, ENC_NA); + proto_item_append_text(sv_item, + ": %s", + tvb_ether_to_str(pinfo->pool, tvb, svoff+2)); + break; + + case 0x29: /* Ring Station Status */ + proto_tree_add_item(sv_tree, hf_trmac_ring_station_status, tvb, svoff+2, sv_length-2, ENC_NA); + break; + + case 0x2A: /* Transmit Status Code */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_transmit_status_code, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %04X", tvb_get_ntohs(tvb, svoff+2) ); + break; + + case 0x2B: /* Group Address */ + if (sv_length != 6 && sv_length != 8) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 6 and != 8"); + break; + } + if (sv_length == 6) { + proto_tree_add_item(sv_tree, hf_trmac_group_address32, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %08X", tvb_get_ntohl(tvb, svoff+2) ); + } else { + proto_tree_add_item(sv_tree, hf_trmac_group_address_ether, tvb, svoff+2, sv_length-2, ENC_NA); + proto_item_append_text(sv_item, + ": %s", + tvb_ether_to_str(pinfo->pool, tvb, svoff+2)); + } + break; + + case 0x2C: /* Functional Addresses */ + if (sv_length != 6) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 6"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_functional_addresses, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %08X", tvb_get_ntohl(tvb, svoff+2) ); + break; + + case 0x2D: /* Isolating Error Counts */ + if (sv_length != 8) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 8"); + break; + } + tvb_memcpy(tvb, errors, svoff+2, 6); + ti = proto_tree_add_uint(sv_tree, hf_trmac_errors_iso, tvb, svoff+2, sv_length-2, + errors[0] + errors[1] + errors[2] + errors[3] + errors[4]); + sv_subtree = proto_item_add_subtree(ti, ett_tr_ierr_cnt); + + proto_tree_add_uint(sv_subtree, hf_trmac_errors_line, tvb, svoff+2, 1, errors[0]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_internal, tvb, svoff+3, 1, errors[1]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_burst, tvb, svoff+4, 1, errors[2]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_ac, tvb, svoff+5, 1, errors[3]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_abort, tvb, svoff+6, 1, errors[4]); + + break; + + case 0x2E: /* Non-Isolating Error Counts */ + if (sv_length != 8) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 8"); + break; + } + tvb_memcpy(tvb, errors, svoff+2, 6); + ti = proto_tree_add_uint(sv_tree, hf_trmac_errors_noniso, tvb, svoff+2, sv_length-2, + errors[0] + errors[1] + errors[2] + errors[3] + errors[4]); + sv_subtree = proto_item_add_subtree(ti, ett_tr_nerr_cnt); + + proto_tree_add_uint(sv_subtree, hf_trmac_errors_lost, tvb, svoff+2, 1, errors[0]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_congestion, tvb, svoff+3, 1, errors[1]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_fc, tvb, svoff+4, 1, errors[2]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_freq, tvb, svoff+5, 1, errors[3]); + proto_tree_add_uint(sv_subtree, hf_trmac_errors_token, tvb, svoff+6, 1, errors[4]); + break; + + case 0x30: /* Error Code */ + if (sv_length != 4) { + expert_add_info_format(pinfo, len_item, &ei_trmac_sv_len, + "Subvector length is != 4"); + break; + } + proto_tree_add_item(sv_tree, hf_trmac_error_code, tvb, svoff+2, sv_length-2, ENC_BIG_ENDIAN); + proto_item_append_text(sv_item, + ": %04X", tvb_get_ntohs(tvb, svoff+2) ); + break; + + default: /* Unknown */ + proto_tree_add_item(sv_tree, hf_trmac_unknown_subvector, tvb, svoff+2, sv_length-2, ENC_NA); + break; + } + return sv_length; +} + +static int +dissect_trmac(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + proto_tree *mac_tree; + proto_item *ti; + int sv_additional; + guint32 mv_val, mv_length, sv_offset; + + if (tvb_captured_length(tvb) < 3) + return 0; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "TR MAC"); + col_clear(pinfo->cinfo, COL_INFO); + + ti = proto_tree_add_item(tree, proto_trmac, tvb, 0, -1, ENC_NA); + mac_tree = proto_item_add_subtree(ti, ett_tr_mac); + + proto_tree_add_item_ret_uint(mac_tree, hf_trmac_mv, tvb, 3, 1, ENC_NA, &mv_val); + proto_tree_add_item_ret_uint(mac_tree, hf_trmac_length, tvb, 0, 2, ENC_BIG_ENDIAN, &mv_length); + proto_item_set_len(ti, mv_length); + proto_tree_add_item(mac_tree, hf_trmac_srcclass, tvb, 2, 1, ENC_NA); + proto_tree_add_item(mac_tree, hf_trmac_dstclass, tvb, 2, 1, ENC_NA); + + /* Interpret the major vector */ + col_add_str(pinfo->cinfo, COL_INFO, + val_to_str_ext(mv_val, &major_vector_vs_ext, "Unknown Major Vector: %u")); + + /* interpret the subvectors */ + sv_offset = 4; + while (sv_offset < mv_length) { + sv_additional = sv_text(tvb, sv_offset, pinfo, mac_tree); + + /* if this is a bad packet, we could get a 0-length added here, + * looping forever */ + if (sv_additional > 0) + sv_offset += sv_additional; + else + break; + } + + return tvb_captured_length(tvb); +} + +void +proto_register_trmac(void) +{ + static hf_register_info hf[] = { + { &hf_trmac_mv, + { "Major Vector", "trmac.mvec", FT_UINT8, BASE_HEX|BASE_EXT_STRING, &major_vector_vs_ext, 0x0, + NULL, HFILL }}, + + { &hf_trmac_length, + { "Total Length", "trmac.length", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_byte_bytes, 0x0, + NULL, HFILL }}, + + { &hf_trmac_srcclass, + { "Source Class", "trmac.srcclass", FT_UINT8, BASE_HEX, VALS(classes_vs), 0x0F, + NULL, HFILL }}, + + { &hf_trmac_dstclass, + { "Destination Class", "trmac.dstclass", FT_UINT8, BASE_HEX, VALS(classes_vs), 0xF0, + NULL, HFILL }}, + + { &hf_trmac_sv_len, + { "Subvector Length", "trmac.svec.len", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_sv_id, + { "Subvector Identifier", "trmac.svec.id", FT_UINT8, BASE_HEX|BASE_EXT_STRING, &subvector_vs_ext, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_iso, + { "Isolating Errors", "trmac.errors.iso", FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_line, + { "Line Errors", "trmac.errors.line", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_internal, + { "Internal Errors", "trmac.errors.internal", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_burst, + { "Burst Errors", "trmac.errors.burst", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_ac, + { "A/C Errors", "trmac.errors.ac", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_abort, + { "Abort Delimiter Transmitted Errors", "trmac.errors.abort", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_noniso, + { "Non-Isolating Errors", "trmac.errors.noniso", FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_lost, + { "Lost Frame Errors", "trmac.errors.lost", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_congestion, + { "Receiver Congestion Errors", "trmac.errors.congestion", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_fc, + { "Frame-Copied Errors", "trmac.errors.fc", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_freq, + { "Frequency Errors", "trmac.errors.freq", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_errors_token, + { "Token Errors", "trmac.errors.token", FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_naun, + { "Upstream Neighbor's Address", "trmac.naun", FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_beacon_type, + { "Beacon Type", "trmac.beacon_type", FT_UINT16, BASE_DEC, VALS(beacon_vs), 0x0, + NULL, HFILL }}, + + { &hf_trmac_local_ring_number, + { "Local Ring Number", "trmac.local_ring_number", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_assign_physical_drop_number, + { "Assign Physical Drop Number", "trmac.assign_physical_drop_number", FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_error_report_timer_value, + { "Error Report Timer Value", "trmac.error_report_timer_value", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0, + NULL, HFILL }}, + + { &hf_trmac_authorized_function_classes, + { "Authorized Function Classes", "trmac.authorized_function_classes", FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_authorized_access_priority, + { "Authorized Access Priority", "trmac.authorized_access_priority", FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_correlator, + { "Correlator", "trmac.correlator", FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_sa_of_last_amp_or_smp_frame, + { "SA of Last AMP or SMP Frame", "trmac.sa_of_last_amp_or_smp_frame", FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_physical_drop_number, + { "Physical Drop Number", "trmac.physical_drop_number", FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_individual_address_count, + { "Individual Address Count", "trmac.individual_address_count", FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_station_identifier, + { "Station Identifier", "trmac.station_identifier", FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_transmit_status_code, + { "Transmit Status Code", "trmac.transmit_status_code", FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_group_address32, + { "Group Address", "trmac.group_addres32s", FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_group_address_ether, + { "Group Address", "trmac.group_address_ether", FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_functional_addresses, + { "Functional Addresses", "trmac.functional_addresses", FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + { &hf_trmac_error_code, + { "Error Code", "trmac.error_code", FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL }}, + + /* Generated from convert_proto_tree_add_text.pl */ + { &hf_trmac_response_code32, { "Response Code", "trmac.response_code", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, + { &hf_trmac_response_code48, { "Response Code", "trmac.response_code48", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }}, + { &hf_trmac_product_instance_id, { "Product Instance ID", "trmac.product_instance_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_trmac_ring_station_version_number, { "Ring Station Version Number", "trmac.ring_station_version_number", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_trmac_wrap_data, { "Wrap Data", "trmac.wrap_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_trmac_frame_forward, { "Frame Forward", "trmac.frame_forward", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_trmac_ring_station_status, { "Ring Station Status", "trmac.ring_station_status", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_trmac_unknown_subvector, { "Unknown Subvector", "trmac.unknown_subvector", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + + }; + static gint *ett[] = { + &ett_tr_mac, + &ett_tr_sv, + &ett_tr_ierr_cnt, + &ett_tr_nerr_cnt, + }; + + static ei_register_info ei[] = { + { &ei_trmac_sv_len, { "trmac.svec.len.invalid", PI_MALFORMED, PI_ERROR, "Invalid length", EXPFILL }}, + }; + + expert_module_t* expert_trmac; + + proto_trmac = proto_register_protocol("Token-Ring Media Access Control", "TR MAC", "trmac"); + proto_register_field_array(proto_trmac, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + expert_trmac = expert_register_protocol(proto_trmac); + expert_register_field_array(expert_trmac, ei, array_length(ei)); + + register_dissector("trmac", dissect_trmac, proto_trmac); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 8 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=8 tabstop=8 noexpandtab: + * :indentSize=8:tabSize=8:noTabs=false: + */ |