/* packet-cfm.c * Routines for CFM EOAM (IEEE 802.1ag) dissection * Copyright 2007, Keith Mercer * Copyright 2011, Peter Nahas * Copyright 2012, Wim Leflere * Copyright 2013, Andreas Urke * * Wireshark - Network traffic analyzer * By Gerald Combs * 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. */ /* This code is based on the following documents; * - IEEE P802.1ag/D8.1 * - ITU-T Rec. G.8031/Y.1342 (06/2011) - Ethernet linear protection switching * - ITU-T Rec. G.8032/Y.1344 (02/2012) - Ethernet ring protection switching * - ITU-T Y.1731 recommendation (05/2006,) which is not formally released * at the time of this dissector development. * Any updates to these documents may require additional modifications to this code. * ITU-T G.8013/Y.1731 (11/2013) is the current version (as of Sep 11, 2014) * ToDo: Update dissector to reflect this document. */ #include "config.h" #include #include #include /** Value declarations for CFM EOAM (IEEE 802.1ag) dissection */ #define IEEE8021 0x00 #define CCM 0x01 #define LBR 0x02 #define LBM 0x03 #define LTR 0x04 #define LTM 0X05 #define GNM 0x20 #define AIS 0x21 #define LCK 0x23 #define TST 0x25 #define APS 0x27 #define RAPS 0x28 #define MCC 0x29 #define LMM 0x2B #define LMR 0x2A #define ODM 0x2D #define DMM 0x2F #define DMR 0x2E #define EXM 0x31 #define EXR 0x30 #define VSM 0x33 #define VSR 0x32 #define SLM 0x37 #define SLR 0x36 #define END_TLV 0x00 #define SENDER_ID_TLV 0x01 #define PORT_STAT_TLV 0x02 #define DATA_TLV 0x03 #define INTERF_STAT_TLV 0x04 #define REPLY_ING_TLV 0x05 #define REPLY_EGR_TLV 0x06 #define LTM_EGR_ID_TLV 0x07 #define LTR_EGR_ID_TLV 0x08 #define GNM_TLV 0x0D #define ORG_SPEC_TLV 0x1F #define TEST_TLV 0x20 /* Sub-OpCode for GNM */ #define BNM 0x01 /* Offset for GNM Sub-OpCode*/ #define CFM_GNM_SUBOPCODE 2 /* Offsets of fields within CFM PDU */ #define CFM_VERSION 0 #define CFM_OPCODE 1 #define RAPS_REQUESTSTATE_EVENT 14 void proto_register_cfm(void); void proto_reg_handoff_cfm(void); static int proto_cfm = -1; static const value_string opcodetypenames[] = { { IEEE8021, "Reserved for IEEE 802.1" }, { CCM, "Continuity Check Message (CCM)" }, { LBR, "Loopback Reply (LBR)" }, { LBM, "Loopback Message (LBM)" }, { LTR, "Linktrace Reply (LTR)" }, { LTM, "Linktrace Message (LTM)" }, { GNM, "Generic Notification Message (GNM)" }, { AIS, "Alarm Indication Signal (AIS)" }, { LCK, "Lock Signal (LCK)" }, { TST, "Test Signal (TST)" }, { APS, "Automatic Protection Switching (APS)" }, { RAPS, "Ring-Automatic Protection Switching (R-APS)" }, { MCC, "Maintenance Communication Channel (MCC)" }, { LMM, "Loss Measurement Message (LMM)" }, { LMR, "Loss Measurement Reply (LMR)" }, { ODM, "One Way Delay Measurement (1DM)" }, { DMM, "Delay Measurement Message (DMM)" }, { DMR, "Delay Measurement Reply (DMR)" }, { EXM, "Experimental OAM Message (EXM)" }, { EXR, "Experimental OAM Reply (EXR)" }, { VSM, "Vendor Specific Message (VSM)" }, { VSR, "Vendor Specific Reply (VSR)" }, { SLM, "Synthetic Loss Message (SLM)"}, { SLR, "Synthetic Loss Reply (SLR))"}, { 0, NULL } }; static const value_string CCM_IntervalFieldEncoding[] = { { 0, "invalid" }, { 1, "Trans Int 3.33ms, max Lifetime 11.66ms, min Lifetime 10.83ms" }, { 2, "Trans Int 10ms, max Lifetime 35ms, min Lifetime 32.5ms" }, { 3, "Trans Int 100ms, max Lifetime 350ms, min Lifetime 325ms" }, { 4, "Trans Int 1s, max Lifetime 3.5s, min Lifetime 3.25s" }, { 5, "Trans Int 10s, max Lifetime 35s, min Lifetime 32.5s" }, { 6, "Trans Int 1min, max Lifetime 3.5min, min Lifetime 3.25min" }, { 7, "Trans Int 10min, max Lifetime 35min, min Lifetime 32.5min" }, { 0, NULL } }; static const value_string mdnameformattypes[] = { { 0, "Reserved for IEEE 802.1" }, { 1, "No Maintenance Domain Name present" }, { 2, "RFC1035 DNS Name" }, { 3, "MAC address + 2-octet integer" }, { 4, "Character String" }, { 0, NULL } }; static const value_string manameformattypes[] = { { 0, "Reserved for IEEE 802.1" }, { 1, "Primary VID" }, { 2, "Character String" }, { 3, "2-octet integer" }, { 4, "RFC 2685 VPN ID" }, { 32, "ICC-based Format" }, { 0, NULL } }; static const value_string relayactiontypes[] = { { 1, "RlyHit" }, { 2, "RlyFDB" }, { 3, "RlyMPDB" }, { 0, NULL } }; static const value_string aislckperiodtypes[] = { { 0, "Invalid Value for AIS/LCK PDU's" }, { 1, "Invalid Value for AIS/LCK PDU's" }, { 2, "Invalid Value for AIS/LCK PDU's" }, { 3, "Invalid Value for AIS/LCK PDU's" }, { 4, "1 frame per second" }, { 5, "Invalid Value for AIS/LCK PDU's" }, { 6, "1 frame per minute" }, { 7, "Invalid Value for AIS/LCK PDU's" }, { 0, NULL } }; static const value_string tlvtypefieldvalues[] = { { END_TLV , "End TLV" }, { SENDER_ID_TLV , "Sender ID TLV" }, { PORT_STAT_TLV , "Port Status TLV" }, { DATA_TLV , "Data TLV" }, { INTERF_STAT_TLV , "Interface Status TLV" }, { REPLY_ING_TLV , "Reply Ingress TLV" }, { REPLY_EGR_TLV , "Reply Egress TLV" }, { LTM_EGR_ID_TLV , "LTM Egress Identifier TLV" }, { LTR_EGR_ID_TLV , "LTR Egress Identifier TLV" }, { GNM_TLV , "Generic Notification Message TLV" }, { ORG_SPEC_TLV , "Organizational-Specific TLV" }, { TEST_TLV , "Test TLV" }, { 0 , NULL } }; static const value_string portstatTLVvalues[] = { { 1, "psBlocked" }, { 2, "psUp" }, { 0, NULL } }; static const value_string interfacestatTLVvalues[] = { { 1, "isUp" }, { 2, "isDown" }, { 3, "isTesting" }, { 4, "isUnknown" }, { 5, "isDormant" }, { 6, "isNotPresent" }, { 7, "isLowerLayerDown" }, { 0, NULL } }; static const value_string replyingressTLVvalues[] = { { 1, "IngOK" }, { 2, "IngDown" }, { 3, "IngBlocked" }, { 4, "IngVID" }, { 0, NULL } }; static const value_string replyegressTLVvalues[] = { { 1, "EgrOK" }, { 2, "EgrDown" }, { 3, "EgrBlocked" }, { 4, "EgrVID" }, { 0, NULL } }; static const value_string testTLVpatterntypes[] = { { 0, "Null signal without CRC-32" }, { 1, "Null signal with CRC-32" }, { 2, "PRBS (2.e-31 -1), without CRC-32" }, { 3, "PRBS (2.e-31 -1), with CRC-32" }, { 0, NULL } }; static const value_string aps_request_state_values[] = { { 0, "No request" }, { 1, "Do not revert" }, { 2, "Reverse request" }, { 3, "Unknown"}, { 4, "Exersise" }, { 5, "Wait to restore" }, { 6, "Depreciated" }, { 7, "Manual switch" }, { 8, "Unknown"}, { 9, "Signal degrade" }, { 10, "Unknown"}, { 11, "Signal fail working" }, { 12, "Unknown"}, { 13, "Forced switch" }, { 14, "Signal fail protection" }, { 15, "Lockout" }, { 0, NULL } }; static const true_false_string aps_protection_type_A_values = { "APS channel", "No APS channel" }; static const true_false_string aps_protection_type_B_values = { "1:1 (no permanent bridge)", "1+1 (permanent bridge)" }; static const true_false_string aps_protection_type_D_values = { "Bidirectional switching", "Unidirectional switching" }; static const true_false_string aps_protection_type_R_values = { "Revertive operation", "Non-revertive operation" }; static const value_string aps_requested_signal_values[] = { { 0, "Null" }, { 1, "Normal traffic" }, { 0, NULL } }; static const value_string aps_bridged_signal_values[] = { { 0, "Null" }, { 1, "Normal traffic" }, { 0, NULL } }; static const value_string aps_bridge_type_values[] = { { 0, "Selector" }, { 1, "Broadcast" }, { 0, NULL } }; static const value_string rapsrequeststatevalues[] = { { 0, "No Request" }, { 7, "Manual Switch"}, { 11, "Signal Failure" }, { 13, "Forced Switch"}, { 14, "Event"}, { 0, NULL } }; static const value_string rapseventsubcode[] = { { 0, "Flush Request" }, { 0, NULL } }; static const true_false_string rapsrplblockedvalues = { "Blocked", "Not Blocked" }; static const true_false_string rapsdnfvalues = { "Do Not Flush DB", "May Flush DB" }; static const true_false_string rapsbprvalues = { "Ring link 1", "Ring link 0" }; static const value_string gnmsubopcodetypenames[] = { { BNM, "Bandwidth Notification Message" }, { 0, NULL } }; static int hf_cfm_md_level = -1; static int hf_cfm_version = -1; static int hf_cfm_opcode = -1; static int hf_cfm_flags = -1; static int hf_cfm_flags_RDI = -1; static int hf_cfm_flags_ccm_Reserved = -1; static int hf_cfm_flags_Interval = -1; static int hf_cfm_flags_UseFDBonly = -1; static int hf_cfm_flags_ltm_Reserved = -1; static int hf_cfm_flags_ltr_Reserved = -1; static int hf_cfm_flags_FwdYes = -1; static int hf_cfm_flags_TerminalMEP = -1; static int hf_cfm_first_tlv_offset = -1; static int hf_cfm_ccm_pdu = -1; static int hf_cfm_ccm_seq_number = -1; static int hf_cfm_ccm_ma_ep_id = -1; static int hf_cfm_ccm_maid = -1; static int hf_cfm_maid_md_name_format = -1; static int hf_cfm_maid_md_name_length = -1; static int hf_cfm_maid_md_name_string = -1; static int hf_cfm_maid_md_name_hex = -1; static int hf_cfm_maid_md_name_mac = -1; static int hf_cfm_maid_md_name_mac_id = -1; static int hf_cfm_maid_ma_name_format = -1; static int hf_cfm_maid_ma_name_length = -1; static int hf_cfm_maid_ma_name_string = -1; static int hf_cfm_maid_ma_name_hex = -1; static int hf_cfm_maid_padding = -1; static int hf_cfm_ccm_itu_t_y1731 = -1; static int hf_cfm_itu_TxFCf = -1; static int hf_cfm_itu_RxFCb = -1; static int hf_cfm_itu_TxFCb = -1; static int hf_cfm_itu_reserved = -1; static int hf_cfm_lbm_pdu = -1; static int hf_cfm_lb_transaction_id = -1; static int hf_cfm_lbr_pdu = -1; static int hf_cfm_ltm_pdu = -1; static int hf_cfm_lt_transaction_id = -1; static int hf_cfm_lt_ttl = -1; static int hf_cfm_ltm_orig_addr = -1; static int hf_cfm_ltm_targ_addr = -1; static int hf_cfm_ltr_pdu = -1; static int hf_cfm_ltr_relay_action = -1; static int hf_cfm_gnm_pdu = -1; static int hf_cfm_gnm_subopcode = -1; static int hf_cfm_gnm_bnm_pdu = -1; static int hf_cfm_gnm_bnm_nominal_bw = -1; static int hf_cfm_gnm_bnm_current_bw = -1; static int hf_cfm_gnm_bnm_port_id = -1; static int hf_cfm_ais_pdu = -1; static int hf_cfm_flags_ais_lck_Reserved = -1; static int hf_cfm_flags_ais_lck_Period = -1; static int hf_cfm_lck_pdu = -1; static int hf_cfm_tst_pdu = -1; static int hf_cfm_flags_Reserved = -1; static int hf_cfm_tst_sequence_num = -1; static int hf_cfm_aps_pdu = -1; static int hf_cfm_aps_req_st = -1; static int hf_cfm_aps_protection_type_A = -1; static int hf_cfm_aps_protection_type_B = -1; static int hf_cfm_aps_protection_type_D = -1; static int hf_cfm_aps_protection_type_R = -1; static int hf_cfm_aps_requested_signal = -1; static int hf_cfm_aps_bridged_signal = -1; static int hf_cfm_aps_bridge_type = -1; static int hf_cfm_raps_pdu = -1; static int hf_cfm_raps_req_st = -1; static int hf_cfm_raps_event_subcode = -1; static int hf_cfm_raps_flags = -1; static int hf_cfm_raps_flags_rb = -1; static int hf_cfm_raps_flags_dnf = -1; static int hf_cfm_raps_flags_bpr = -1; static int hf_cfm_raps_node_id = -1; static int hf_cfm_raps_reserved = -1; static int hf_cfm_mcc_pdu = -1; static int hf_cfm_mcc_data = -1; static int hf_cfm_lmm_pdu = -1; static int hf_cfm_lmr_pdu = -1; static int hf_cfm_lmm_lmr_TxFCf = -1; static int hf_cfm_lmm_lmr_RxFCf = -1; static int hf_cfm_lmm_lmr_TxFCb = -1; static int hf_cfm_odm_pdu = -1; static int hf_cfm_odm_dmm_dmr_TxTimestampf = -1; static int hf_cfm_odm_dmm_dmr_RxTimestampf = -1; static int hf_cfm_dmm_pdu = -1; static int hf_cfm_dmr_pdu = -1; static int hf_cfm_dmm_dmr_TxTimestampb = -1; static int hf_cfm_dmm_dmr_RxTimestampb = -1; static int hf_cfm_exm_pdu = -1; static int hf_cfm_exr_pdu = -1; static int hf_cfm_exm_exr_data = -1; static int hf_cfm_vsm_pdu = -1; static int hf_cfm_vsr_pdu = -1; static int hf_cfm_vsm_vsr_data = -1; static int hf_cfm_slm_pdu = -1; static int hf_cfm_slr_pdu = -1; static int hf_cfm_slm_src_mep = -1; static int hf_cfm_slr_rsp_mep = -1; static int hf_cfm_slm_testid = -1; static int hf_cfm_slm_txfcf = -1; static int hf_cfm_slr_txfcb = -1; static int hf_cfm_all_tlvs = -1; static int hf_cfm_tlv_type = -1; static int hf_cfm_tlv_length = -1; static int hf_tlv_chassis_id_length = -1; static int hf_tlv_chassis_id_subtype = -1; static int hf_tlv_chassis_id = -1; static int hf_tlv_ma_domain_length = -1; static int hf_tlv_ma_domain = -1; static int hf_tlv_management_addr_length = -1; static int hf_tlv_management_addr = -1; static int hf_tlv_port_status_value = -1; static int hf_tlv_data_value = -1; static int hf_tlv_interface_status_value = -1; static int hf_tlv_reply_ingress_action = -1; static int hf_tlv_reply_ingress_mac_address = -1; static int hf_tlv_reply_ing_egr_portid_length = -1; static int hf_tlv_reply_ing_egr_portid_subtype = -1; static int hf_tlv_reply_ing_egr_portid = -1; static int hf_tlv_reply_egress_action = -1; static int hf_tlv_reply_egress_mac_address = -1; static int hf_tlv_ltr_egress_last_id_mac = -1; static int hf_tlv_ltr_egress_last_id_unique_identifier = -1; static int hf_tlv_ltr_egress_next_id_mac = -1; static int hf_tlv_ltr_egress_next_id_unique_identifier = -1; static int hf_tlv_ltm_egress_id_mac = -1; static int hf_tlv_ltm_egress_id_unique_identifier = -1; static int hf_tlv_org_spec_oui = -1; static int hf_tlv_org_spec_subtype = -1; static int hf_tlv_org_spec_value = -1; static int hf_tlv_tst_test_pattern_type = -1; static int hf_tlv_tst_test_pattern = -1; static int hf_tlv_tst_CRC32 = -1; static gint ett_cfm = -1; static gint ett_cfm_flags = -1; static gint ett_cfm_ccm_maid = -1; static gint ett_cfm_ccm_itu = -1; static gint ett_cfm_pdu = -1; static gint ett_cfm_all_tlvs = -1; static gint ett_cfm_tlv = -1; static gint ett_cfm_raps_flags = -1; static dissector_handle_t cfm_handle; /* CFM EOAM sub-protocol dissectors: CCM, LBM, LBR, LTM, LTR */ static int dissect_cfm_ccm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { gint maid_offset; guint8 cfm_maid_md_name_format; guint8 cfm_maid_ma_name_format; guint8 cfm_maid_ma_name_length; proto_item *ti; proto_item *fi; proto_item *mi; proto_item *wi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; proto_tree *cfm_ccm_maid_tree; proto_tree *cfm_ccm_itu_tree; ti = proto_tree_add_item(tree, hf_cfm_ccm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_RDI, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ccm_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Interval, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_ccm_seq_number, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_ccm_ma_ep_id, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; /* dissect CCM MAID */ mi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_ccm_maid, tvb, offset, 48, ENC_NA); cfm_ccm_maid_tree = proto_item_add_subtree(mi, ett_cfm_ccm_maid); maid_offset = offset; proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_md_name_format, tvb, maid_offset, 1, ENC_BIG_ENDIAN); cfm_maid_md_name_format = tvb_get_guint8(tvb, maid_offset); maid_offset += 1; if (cfm_maid_md_name_format != 1) { guint8 cfm_maid_md_name_length; proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_md_name_length, tvb, maid_offset, 1, ENC_BIG_ENDIAN); cfm_maid_md_name_length = tvb_get_guint8(tvb, maid_offset); maid_offset += 1; if (cfm_maid_md_name_length) { if (cfm_maid_md_name_format == 3) { /* MD name format is MAC + 2 octet id */ if (cfm_maid_md_name_length != 8) { /* the MD name of type MAC should be 8 octets but if * it isn't we are going to try and process it anyways.*/ proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_md_name_hex, tvb, maid_offset, cfm_maid_md_name_length, ENC_NA); } else { proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_md_name_mac, tvb, maid_offset, 6, ENC_NA); proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_md_name_mac_id, tvb, maid_offset+6, 2, ENC_NA); } } else { /* MD name format is regular string or DNS string */ proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_md_name_string, tvb, maid_offset, cfm_maid_md_name_length, ENC_ASCII|ENC_NA); } maid_offset += cfm_maid_md_name_length; } } proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_ma_name_format, tvb, maid_offset, 1, ENC_BIG_ENDIAN); cfm_maid_ma_name_format = tvb_get_guint8(tvb, maid_offset); maid_offset += 1; proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_ma_name_length, tvb, maid_offset, 1, ENC_BIG_ENDIAN); cfm_maid_ma_name_length = tvb_get_guint8(tvb, maid_offset); maid_offset += 1; if ((cfm_maid_ma_name_format == 2) || (cfm_maid_ma_name_format == 32)) { proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_ma_name_string, tvb, maid_offset, cfm_maid_ma_name_length, ENC_ASCII|ENC_NA); } else { proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_ma_name_hex, tvb, maid_offset, cfm_maid_ma_name_length, ENC_NA); } maid_offset += cfm_maid_ma_name_length; offset += 48; if (offset > maid_offset) { gint padding_length; padding_length = offset - maid_offset; proto_tree_add_item(cfm_ccm_maid_tree, hf_cfm_maid_padding, tvb, maid_offset, padding_length, ENC_NA); } /* Dissect 16 octets reserved for Y.1731, samples of the wrap-around frame counters */ wi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_ccm_itu_t_y1731, tvb, offset, 16, ENC_NA); cfm_ccm_itu_tree = proto_item_add_subtree(wi, ett_cfm_ccm_itu); proto_tree_add_item(cfm_ccm_itu_tree, hf_cfm_itu_TxFCf, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_ccm_itu_tree, hf_cfm_itu_RxFCb, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_ccm_itu_tree, hf_cfm_itu_TxFCb, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_ccm_itu_tree, hf_cfm_itu_reserved, tvb, offset, 4, ENC_NA); offset += 4; return offset; } static int dissect_cfm_lbm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_tree *cfm_pdu_tree; ti = proto_tree_add_item(tree, hf_cfm_lbm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lb_transaction_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_cfm_lbr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_tree *cfm_pdu_tree; ti = proto_tree_add_item(tree, hf_cfm_lbr_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lb_transaction_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_cfm_ltm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_ltm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_UseFDBonly, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ltm_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lt_transaction_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lt_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_ltm_orig_addr, tvb, offset, 6, ENC_NA); offset += 6; proto_tree_add_item(cfm_pdu_tree, hf_cfm_ltm_targ_addr, tvb, offset, 6, ENC_NA); offset += 6; return offset; } static int dissect_cfm_ltr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_ltr_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_UseFDBonly, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_FwdYes, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_TerminalMEP, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ltr_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lt_transaction_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lt_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_ltr_relay_action, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; return offset; } static int dissect_cfm_gnm_bnm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_tree *cfm_pdu_tree; ti = proto_tree_add_item(tree, hf_cfm_gnm_bnm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); proto_tree_add_item(cfm_pdu_tree, hf_cfm_gnm_bnm_nominal_bw, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_gnm_bnm_current_bw, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_gnm_bnm_port_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_cfm_gnm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; guint8 cfm_gnm_pdu_type; ti = proto_tree_add_item(tree, hf_cfm_gnm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ais_lck_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ais_lck_Period, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_gnm_subopcode, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; cfm_gnm_pdu_type = tvb_get_guint8(tvb, offset -1); switch(cfm_gnm_pdu_type) { case BNM: offset = dissect_cfm_gnm_bnm(tvb, pinfo, tree, offset); break; } return offset; } static int dissect_cfm_ais(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_ais_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ais_lck_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ais_lck_Period, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; return offset; } static int dissect_cfm_lck(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_lck_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ais_lck_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_ais_lck_Period, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; return offset; } static int dissect_cfm_tst(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_tst_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_tst_sequence_num, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_cfm_aps(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_aps_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_req_st, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_protection_type_A, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_protection_type_B, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_protection_type_D, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_protection_type_R, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_requested_signal, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_bridged_signal, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_aps_bridge_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; return offset; } static int dissect_cfm_raps(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_item *ri; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; proto_tree *raps_flag_tree; guint8 raps_version; guint8 raps_requeststate; raps_version = tvb_get_guint8(tvb, CFM_VERSION); raps_version &= 0x1F; ti = proto_tree_add_item(tree, hf_cfm_raps_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_raps_req_st, tvb, offset, 1, ENC_BIG_ENDIAN); raps_requeststate = tvb_get_guint8(tvb, offset); raps_requeststate >>= 4; /* R-APS(G.8032) v2 & Request/state "Event" only */ if(raps_version == 1 && raps_requeststate == RAPS_REQUESTSTATE_EVENT){ proto_tree_add_item(cfm_pdu_tree, hf_cfm_raps_event_subcode, tvb, offset, 1, ENC_BIG_ENDIAN); } offset += 1; ri = proto_tree_add_item(cfm_pdu_tree, hf_cfm_raps_flags, tvb, offset, 1, ENC_BIG_ENDIAN); raps_flag_tree = proto_item_add_subtree(ri, ett_cfm_raps_flags); proto_tree_add_item(raps_flag_tree, hf_cfm_raps_flags_rb, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(raps_flag_tree, hf_cfm_raps_flags_dnf, tvb, offset, 1, ENC_BIG_ENDIAN); /* R-APS(G.8032) v2 only */ if(raps_version == 1){ proto_tree_add_item(raps_flag_tree, hf_cfm_raps_flags_bpr, tvb, offset, 1, ENC_BIG_ENDIAN); } offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_raps_node_id, tvb, offset, 6, ENC_NA); offset += 6; proto_tree_add_item(cfm_pdu_tree, hf_cfm_raps_reserved, tvb, offset, 24, ENC_NA); offset += 24; return offset; } static int dissect_cfm_mcc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { gint cfm_tlv_offset; proto_item *ti; proto_item *fi; proto_item *oi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_mcc_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; oi = proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_oui, tvb, offset, 3, ENC_BIG_ENDIAN); proto_item_append_text(oi, " (%s)", tvb_get_manuf_name(tvb, offset)); offset += 3; proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_subtype, tvb, offset, 1, ENC_NA); offset += 1; /* The MCC data field was not defined at the time of this code being written * ITU-T Y.1731 (05/2006), so we are simply going to determine the length based on * the TLV offset and perform a hex dump */ cfm_tlv_offset = tvb_get_guint8(tvb, 3); /* Remove OUI and subtype from the offset */ cfm_tlv_offset -= 4; if (cfm_tlv_offset > 0) { proto_tree_add_item(cfm_pdu_tree, hf_cfm_mcc_data, tvb, offset, cfm_tlv_offset, ENC_NA); offset += cfm_tlv_offset; } return offset; } static int dissect_cfm_lmm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_lmm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lmm_lmr_TxFCf, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lmm_lmr_RxFCf, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lmm_lmr_TxFCb, tvb, offset, 4, ENC_NA); offset += 4; return offset; } static int dissect_cfm_lmr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_lmr_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lmm_lmr_TxFCf, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lmm_lmr_RxFCf, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_lmm_lmr_TxFCb, tvb, offset, 4, ENC_NA); offset += 4; return offset; } static int dissect_cfm_odm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_odm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_odm_dmm_dmr_TxTimestampf, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(cfm_pdu_tree, hf_cfm_odm_dmm_dmr_RxTimestampf, tvb, offset, 8, ENC_NA); offset += 8; return offset; } static int dissect_cfm_dmm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_dmm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_odm_dmm_dmr_TxTimestampf, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(cfm_pdu_tree, hf_cfm_odm_dmm_dmr_RxTimestampf, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(cfm_pdu_tree, hf_cfm_dmm_dmr_TxTimestampb, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(cfm_pdu_tree, hf_cfm_dmm_dmr_RxTimestampb, tvb, offset, 8, ENC_NA); offset += 8; return offset; } static int dissect_cfm_dmr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_dmr_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_odm_dmm_dmr_TxTimestampf, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(cfm_pdu_tree, hf_cfm_odm_dmm_dmr_RxTimestampf, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(cfm_pdu_tree, hf_cfm_dmm_dmr_TxTimestampb, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(cfm_pdu_tree, hf_cfm_dmm_dmr_RxTimestampb, tvb, offset, 8, ENC_NA); offset += 8; return offset; } static int dissect_cfm_exm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { gint cfm_tlv_offset; proto_item *ti; proto_item *fi; proto_item *oi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_exm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; oi = proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_oui, tvb, offset, 3, ENC_BIG_ENDIAN); proto_item_append_text(oi, " (%s)", tvb_get_manuf_name(tvb, offset)); offset += 3; proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_subtype, tvb, offset, 1, ENC_NA); offset += 1; /* The EXM data field was not defined at the time of this code being written * ITU-T Y.1731 (05/2006), so we are simply going to determine the length based on * the TLV offset and perform a hex dump */ cfm_tlv_offset = tvb_get_guint8(tvb, 3); /* Remove OUI and subtype from the offset */ cfm_tlv_offset -= 4; if (cfm_tlv_offset > 0) { proto_tree_add_item(cfm_pdu_tree, hf_cfm_exm_exr_data, tvb, offset, cfm_tlv_offset, ENC_NA); offset += cfm_tlv_offset; } return offset; } static int dissect_cfm_exr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { gint cfm_tlv_offset; proto_item *ti; proto_item *fi; proto_item *oi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_exr_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; oi = proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_oui, tvb, offset, 3, ENC_BIG_ENDIAN); proto_item_append_text(oi, " (%s)", tvb_get_manuf_name(tvb, offset)); offset += 3; proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_subtype, tvb, offset, 1, ENC_NA); offset += 1; /* The EXR data field was not defined at the time of this code being written * ITU-T Y.1731 (05/2006), so we are simply going to determine the length based on * the TLV offset and perform a hex dump */ cfm_tlv_offset = tvb_get_guint8(tvb, 3); /* Remove OUI and subtype from the offset */ cfm_tlv_offset -= 4; if (cfm_tlv_offset > 0) { proto_tree_add_item(cfm_pdu_tree, hf_cfm_exm_exr_data, tvb, offset, cfm_tlv_offset, ENC_NA); offset += cfm_tlv_offset; } return offset; } static int dissect_cfm_vsm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { gint cfm_tlv_offset; proto_item *ti; proto_item *fi; proto_item *oi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_vsm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; oi = proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_oui, tvb, offset, 3, ENC_BIG_ENDIAN); proto_item_append_text(oi, " (%s)", tvb_get_manuf_name(tvb, offset)); offset += 3; proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_subtype, tvb, offset, 1, ENC_NA); offset += 1; /* The VSM data field was not defined at the time of this code being written * ITU-T Y.1731 (05/2006), so we are simply going to determine the length based on * the TLV offset and perform a hex dump */ cfm_tlv_offset = tvb_get_guint8(tvb, 3); /* Remove OUI and subtype from the offset */ cfm_tlv_offset -= 4; if (cfm_tlv_offset > 0) { proto_tree_add_item(cfm_pdu_tree, hf_cfm_vsm_vsr_data, tvb, offset, cfm_tlv_offset, ENC_NA); offset += cfm_tlv_offset; } return offset; } static int dissect_cfm_vsr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { gint cfm_tlv_offset; proto_item *ti; proto_item *fi; proto_item *oi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_vsr_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; oi = proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_oui, tvb, offset, 3, ENC_BIG_ENDIAN); proto_item_append_text(oi, " (%s)", tvb_get_manuf_name(tvb, offset)); offset += 3; proto_tree_add_item(cfm_pdu_tree, hf_tlv_org_spec_subtype, tvb, offset, 1, ENC_NA); offset += 1; /* The VSR data field was not defined at the time of this code being written * ITU-T Y.1731 (05/2006), so we are simply going to determine the length based on * the TLV offset and perform a hex dump */ cfm_tlv_offset = tvb_get_guint8(tvb, 3); /* Remove OUI and subtype from the offset */ cfm_tlv_offset -= 4; if (cfm_tlv_offset > 0) { proto_tree_add_item(cfm_pdu_tree, hf_cfm_vsm_vsr_data, tvb, offset, cfm_tlv_offset, ENC_NA); offset += cfm_tlv_offset; } return offset; } static int dissect_cfm_slm(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_slm_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slm_src_mep, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slr_rsp_mep, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slm_testid, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slm_txfcf, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slr_txfcb, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } static int dissect_cfm_slr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset) { proto_item *ti; proto_item *fi; proto_tree *cfm_pdu_tree; proto_tree *cfm_flag_tree; ti = proto_tree_add_item(tree, hf_cfm_slr_pdu, tvb, offset, -1, ENC_NA); cfm_pdu_tree = proto_item_add_subtree(ti, ett_cfm_pdu); fi = proto_tree_add_item(cfm_pdu_tree, hf_cfm_flags, tvb, offset, 1, ENC_BIG_ENDIAN); cfm_flag_tree = proto_item_add_subtree(fi, ett_cfm_flags); proto_tree_add_item(cfm_flag_tree, hf_cfm_flags_Reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_first_tlv_offset, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slm_src_mep, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slr_rsp_mep, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slm_testid, tvb, offset, 4, ENC_NA); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slm_txfcf, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(cfm_pdu_tree, hf_cfm_slr_txfcb, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; return offset; } /* Main CFM EOAM protocol dissector */ static int dissect_cfm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { gint offset = 0; guint8 cfm_pdu_type; /* display the CFM protol name */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "CFM"); /* Clear out stuff in the info column */ col_clear(pinfo->cinfo, COL_INFO); /* provide info column with CFM packet type (opcode)*/ cfm_pdu_type = tvb_get_guint8(tvb, CFM_OPCODE); col_add_fstr(pinfo->cinfo, COL_INFO, "Type %s", val_to_str(cfm_pdu_type, opcodetypenames, "Unknown (0x%02x)")); if (tree) { /* we are being asked for details */ gint cfm_tlv_offset; proto_item *ti; proto_item *oi; proto_tree *cfm_tree; /* isolate the payload of the packet */ ti = proto_tree_add_item(tree, proto_cfm, tvb, 0, -1, ENC_NA); /* report type of CFM packet to base of dissection tree */ proto_item_append_text(ti, ", Type %s", val_to_str(cfm_pdu_type, opcodetypenames, "Unknown (0x%02x)")); /* dissecting the common CFM header */ cfm_tree = proto_item_add_subtree(ti, ett_cfm); proto_tree_add_item(cfm_tree, hf_cfm_md_level, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(cfm_tree, hf_cfm_version, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(cfm_tree, hf_cfm_opcode, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; switch(cfm_pdu_type) { case CCM: offset = dissect_cfm_ccm(tvb, pinfo, tree, offset); break; case LBM: offset = dissect_cfm_lbm(tvb, pinfo, tree, offset); break; case LBR: offset = dissect_cfm_lbr(tvb, pinfo, tree, offset); break; case LTM: offset = dissect_cfm_ltm(tvb, pinfo, tree, offset); break; case LTR: offset = dissect_cfm_ltr(tvb, pinfo, tree, offset); break; case GNM: offset = dissect_cfm_gnm(tvb, pinfo, tree, offset); break; case AIS: offset = dissect_cfm_ais(tvb, pinfo, tree, offset); break; case LCK: offset = dissect_cfm_lck(tvb, pinfo, tree, offset); break; case TST: offset = dissect_cfm_tst(tvb, pinfo, tree, offset); break; case APS: offset = dissect_cfm_aps(tvb, pinfo, tree, offset); break; case RAPS: offset = dissect_cfm_raps(tvb, pinfo, tree, offset); break; case MCC: offset = dissect_cfm_mcc(tvb, pinfo, tree, offset); break; case LMM: offset = dissect_cfm_lmm(tvb, pinfo, tree, offset); break; case LMR: offset = dissect_cfm_lmr(tvb, pinfo, tree, offset); break; case ODM: offset = dissect_cfm_odm(tvb, pinfo, tree, offset); break; case DMM: offset = dissect_cfm_dmm(tvb, pinfo, tree, offset); break; case DMR: offset = dissect_cfm_dmr(tvb, pinfo, tree, offset); break; case EXM: offset = dissect_cfm_exm(tvb, pinfo, tree, offset); break; case EXR: offset = dissect_cfm_exr(tvb, pinfo, tree, offset); break; case VSM: offset = dissect_cfm_vsm(tvb, pinfo, tree, offset); break; case VSR: offset = dissect_cfm_vsr(tvb, pinfo, tree, offset); break; case SLM: offset = dissect_cfm_slm(tvb, pinfo, tree, offset); break; case SLR: offset = dissect_cfm_slr(tvb, pinfo, tree, offset); break; } /* Get the TLV offset and add the offset of the common CFM header*/ cfm_tlv_offset = tvb_get_guint8(tvb, 3); cfm_tlv_offset += 4; /* Begin dissecting the TLV's */ /* the TLV offset should be the same as where the pdu left off or we have a problem */ if ((cfm_tlv_offset == offset) && (cfm_tlv_offset > 3)) { proto_tree *cfm_all_tlvs_tree; guint8 cfm_tlv_type = 255; ti = proto_tree_add_item(tree, hf_cfm_all_tlvs, tvb, cfm_tlv_offset, -1, ENC_NA); cfm_all_tlvs_tree = proto_item_add_subtree(ti, ett_cfm_all_tlvs); while (cfm_tlv_type != END_TLV) { guint16 cfm_tlv_length; gint tlv_header_modifier; proto_tree *cfm_tlv_tree; cfm_tlv_type = tvb_get_guint8(tvb, cfm_tlv_offset); if (cfm_tlv_type == END_TLV) { tlv_header_modifier = 1; cfm_tlv_length = 0; } else { tlv_header_modifier = 3; cfm_tlv_length = tvb_get_ntohs(tvb, cfm_tlv_offset+1); } cfm_tlv_tree = proto_tree_add_subtree_format(cfm_all_tlvs_tree, tvb, cfm_tlv_offset, cfm_tlv_length+tlv_header_modifier, ett_cfm_tlv, NULL, "TLV: %s (t=%d,l=%d)", val_to_str(cfm_tlv_type, tlvtypefieldvalues, "Unknown (0x%02x)"), cfm_tlv_type, cfm_tlv_length); proto_tree_add_item(cfm_tlv_tree, hf_cfm_tlv_type, tvb, cfm_tlv_offset, 1, ENC_BIG_ENDIAN); cfm_tlv_offset += 1; if (cfm_tlv_type != END_TLV) { proto_tree_add_item(cfm_tlv_tree, hf_cfm_tlv_length, tvb, cfm_tlv_offset, 2, ENC_BIG_ENDIAN); cfm_tlv_offset += 2; if (cfm_tlv_length != 0) { gint tlv_data_offset; guint8 tlv_chassis_id_length; guint8 tlv_tst_test_pattern_type; tlv_data_offset = cfm_tlv_offset; switch(cfm_tlv_type) { case SENDER_ID_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_chassis_id_length, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_chassis_id_length = tvb_get_guint8(tvb,tlv_data_offset); tlv_data_offset += 1; if (tlv_chassis_id_length > 0) { proto_tree_add_item(cfm_tlv_tree, hf_tlv_chassis_id_subtype, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_data_offset += 1; proto_tree_add_item(cfm_tlv_tree, hf_tlv_chassis_id, tvb, tlv_data_offset, tlv_chassis_id_length, ENC_NA); tlv_data_offset += tlv_chassis_id_length; } /* If the TLV length is greater than the number of octets used for the * Chassis ID, then we must have a Management Address Domain */ if (cfm_tlv_length > (2 + tlv_chassis_id_length)) { guint8 tlv_ma_domain_length; proto_tree_add_item(cfm_tlv_tree, hf_tlv_ma_domain_length, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_ma_domain_length = tvb_get_guint8(tvb,tlv_data_offset); tlv_data_offset += 1; if (tlv_ma_domain_length > 0) { proto_tree_add_item(cfm_tlv_tree, hf_tlv_ma_domain, tvb, tlv_data_offset, tlv_ma_domain_length, ENC_NA); tlv_data_offset += tlv_ma_domain_length; } /* If the TLV length is greater than the number of octets used for the * Chassis ID and the Management Address Domain, then we must have a * Management Address */ if (cfm_tlv_length > (2 + tlv_chassis_id_length + 1 + tlv_ma_domain_length)) { guint8 tlv_management_addr_length; proto_tree_add_item(cfm_tlv_tree, hf_tlv_management_addr_length, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_management_addr_length = tvb_get_guint8(tvb,tlv_data_offset); tlv_data_offset += 1; if (tlv_management_addr_length > 0) { proto_tree_add_item(cfm_tlv_tree, hf_tlv_management_addr, tvb, tlv_data_offset, tlv_management_addr_length, ENC_NA); tlv_data_offset += tlv_management_addr_length; } } } break; case PORT_STAT_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_port_status_value, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_data_offset += 1; break; case DATA_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_data_value, tvb, tlv_data_offset, cfm_tlv_length, ENC_NA); tlv_data_offset += cfm_tlv_length; break; case INTERF_STAT_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_interface_status_value, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_data_offset += 1; break; case REPLY_ING_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ingress_action, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_data_offset += 1; proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ingress_mac_address, tvb, tlv_data_offset, 6, ENC_NA); tlv_data_offset += 6; /* For the IEEE standard if the TLV length is greater than 7 then we have * an ingress port ID */ if (cfm_tlv_length > 7) { guint8 tlv_reply_ingress_portid_length; proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ing_egr_portid_length, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_reply_ingress_portid_length = tvb_get_guint8(tvb,tlv_data_offset); tlv_data_offset += 1; if (tlv_reply_ingress_portid_length > 0) { proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ing_egr_portid_subtype, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_data_offset += 1; proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ing_egr_portid, tvb, tlv_data_offset, tlv_reply_ingress_portid_length, ENC_NA); tlv_data_offset += tlv_reply_ingress_portid_length; } } break; case REPLY_EGR_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_egress_action, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_data_offset += 1; proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_egress_mac_address, tvb, tlv_data_offset, 6, ENC_NA); tlv_data_offset += 6; /* For the IEEE standard if the TLV length is greater than 7 then we have * an egress port ID */ if (cfm_tlv_length > 7) { guint8 tlv_reply_egress_portid_length; proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ing_egr_portid_length, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_reply_egress_portid_length = tvb_get_guint8(tvb,tlv_data_offset); tlv_data_offset += 1; if (tlv_reply_egress_portid_length > 0) { proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ing_egr_portid_subtype, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_data_offset += 1; proto_tree_add_item(cfm_tlv_tree, hf_tlv_reply_ing_egr_portid, tvb, tlv_data_offset, tlv_reply_egress_portid_length, ENC_NA); tlv_data_offset += tlv_reply_egress_portid_length; } } break; case LTM_EGR_ID_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_ltm_egress_id_unique_identifier, tvb, tlv_data_offset, 2, ENC_NA); tlv_data_offset += 2; proto_tree_add_item(cfm_tlv_tree, hf_tlv_ltm_egress_id_mac, tvb, tlv_data_offset, 6, ENC_NA); tlv_data_offset += 6; break; case LTR_EGR_ID_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_ltr_egress_last_id_unique_identifier, tvb, tlv_data_offset, 2, ENC_NA); tlv_data_offset += 2; proto_tree_add_item(cfm_tlv_tree, hf_tlv_ltr_egress_last_id_mac, tvb, tlv_data_offset, 6, ENC_NA); tlv_data_offset += 6; proto_tree_add_item(cfm_tlv_tree, hf_tlv_ltr_egress_next_id_unique_identifier, tvb, tlv_data_offset, 2, ENC_NA); tlv_data_offset += 2; proto_tree_add_item(cfm_tlv_tree, hf_tlv_ltr_egress_next_id_mac, tvb, tlv_data_offset, 6, ENC_NA); tlv_data_offset += 6; break; case ORG_SPEC_TLV: /* The TLV length must be long enough to include the OUI * and the subtype. */ if (cfm_tlv_length > 3) { oi = proto_tree_add_item(cfm_tlv_tree, hf_tlv_org_spec_oui, tvb, tlv_data_offset, 3, ENC_BIG_ENDIAN); proto_item_append_text(oi, " (%s)", tvb_get_manuf_name(tvb, tlv_data_offset)); tlv_data_offset += 3; proto_tree_add_item(cfm_tlv_tree, hf_tlv_org_spec_subtype, tvb, tlv_data_offset, 1, ENC_NA); tlv_data_offset += 1; proto_tree_add_item(cfm_tlv_tree, hf_tlv_org_spec_value, tvb, tlv_data_offset, cfm_tlv_length-4, ENC_NA); tlv_data_offset -= 4; } tlv_data_offset += cfm_tlv_length; break; case TEST_TLV: proto_tree_add_item(cfm_tlv_tree, hf_tlv_tst_test_pattern_type, tvb, tlv_data_offset, 1, ENC_BIG_ENDIAN); tlv_tst_test_pattern_type = tvb_get_guint8(tvb,tlv_data_offset); tlv_data_offset += 1; if (cfm_tlv_length > 0) { switch (tlv_tst_test_pattern_type) { case 0: case 2: proto_tree_add_item(cfm_tlv_tree, hf_tlv_tst_test_pattern, tvb, tlv_data_offset, cfm_tlv_length-1, ENC_NA); tlv_data_offset += cfm_tlv_length-1; break; case 1: case 3: proto_tree_add_item(cfm_tlv_tree, hf_tlv_tst_test_pattern, tvb, tlv_data_offset, cfm_tlv_length-5, ENC_NA); tlv_data_offset += (cfm_tlv_length-5); proto_tree_add_item(cfm_tlv_tree, hf_tlv_tst_CRC32, tvb, tlv_data_offset, 4, ENC_NA); tlv_data_offset += 4; break; } } break; } cfm_tlv_offset = tlv_data_offset; } } } } } return tvb_captured_length(tvb); } /* Register CFM EOAM protocol */ void proto_register_cfm(void) { static hf_register_info hf[] = { { &hf_cfm_md_level, { "CFM MD Level", "cfm.md.level", FT_UINT8, BASE_DEC, NULL, 0xe0, NULL, HFILL } }, { &hf_cfm_version, { "CFM Version", "cfm.version", FT_UINT8, BASE_DEC, NULL, 0x1f, NULL, HFILL } }, { &hf_cfm_opcode, { "CFM OpCode", "cfm.opcode", FT_UINT8, BASE_DEC, VALS(opcodetypenames), 0x0, NULL, HFILL } }, /* CFM CCM*/ { &hf_cfm_ccm_pdu, { "CFM CCM PDU", "cfm.ccm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_flags, { "Flags", "cfm.flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_flags_RDI, { "RDI", "cfm.flags.rdi", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_cfm_flags_ccm_Reserved, { "Reserved", "cfm.flags.ccm.reserved", FT_UINT8, BASE_DEC, NULL, 0x78, NULL, HFILL } }, { &hf_cfm_flags_Interval, { "Interval Field", "cfm.flags.interval", FT_UINT8, BASE_DEC, VALS(CCM_IntervalFieldEncoding), 0x07, NULL, HFILL } }, { &hf_cfm_first_tlv_offset, { "First TLV Offset", "cfm.first.tlv.offset", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_ccm_seq_number, { "Sequence Number", "cfm.ccm.seq.num", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_ccm_ma_ep_id, { "Maintenance Association End Point Identifier", "cfm.ccm.ma.ep.id", FT_UINT16, BASE_DEC, NULL, 0x1FFF, NULL, HFILL } }, { &hf_cfm_ccm_maid, { "Maintenance Association Identifier (MEG ID)", "cfm.ccm.maid", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_md_name_format, { "MD Name Format", "cfm.maid.md.name.format", FT_UINT8, BASE_DEC, VALS(mdnameformattypes), 0x0, NULL, HFILL } }, { &hf_cfm_maid_md_name_length, { "MD Name Length", "cfm.maid.md.name.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_md_name_string, { "MD Name (String)", "cfm.maid.md.name.string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_md_name_hex, { "MD Name", "cfm.maid.md.name.hex", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_md_name_mac, { "MD Name (MAC)", "cfm.maid.md.name.mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_md_name_mac_id, { "MD Name (MAC)", "cfm.maid.md.name.mac.id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_ma_name_format, { "Short MA Name (MEG ID) Format", "cfm.maid.ma.name.format", FT_UINT8, BASE_DEC, VALS(manameformattypes), 0x0, NULL, HFILL } }, { &hf_cfm_maid_ma_name_length, { "Short MA Name (MEG ID) Length", "cfm.maid.ma.name.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_ma_name_string, { "Short MA Name", "cfm.maid.ma.name.string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_ma_name_hex, { "Short MA Name", "cfm.maid.ma.name.hex", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_maid_padding, { "Zero-Padding", "cfm.ccm.maid.padding", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_ccm_itu_t_y1731, { "Defined by ITU-T Y.1731", "cfm.ccm.itu.t.y1731", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_itu_TxFCf, { "TxFCf", "cfm.itu.txfcf", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_itu_RxFCb, { "RxFCb", "cfm.itu.rxfcb", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_itu_TxFCb, { "TxFCb", "cfm.itu.txfcb", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_itu_reserved, { "Reserved", "cfm.itu.reserved", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM LBM*/ { &hf_cfm_lbm_pdu, { "CFM LBM PDU", "cfm.lbm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_lb_transaction_id, { "Loopback Transaction Identifier", "cfm.lb.transaction.id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /* CFM LBR*/ { &hf_cfm_lbr_pdu, { "CFM LBR PDU", "cfm.lbr.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM LTM*/ { &hf_cfm_ltm_pdu, { "CFM LTM PDU", "cfm.ltm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_flags_UseFDBonly, { "UseFDBonly", "cfm.flags.usefdbonly", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_cfm_flags_ltm_Reserved, { "Reserved", "cfm.flags.ltm.reserved", FT_UINT8, BASE_DEC, NULL, 0x7F, NULL, HFILL } }, { &hf_cfm_lt_transaction_id, { "Linktrace Transaction Identifier", "cfm.lt.transaction.id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_lt_ttl, { "Linktrace TTL", "cfm.lt.ttl", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_ltm_orig_addr, { "Linktrace Message: Original Address", "cfm.ltm.orig.addr", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_ltm_targ_addr, { "Linktrace Message: Target Address", "cfm.ltm.targ.addr", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM LTR*/ { &hf_cfm_ltr_pdu, { "CFM LTR PDU", "cfm.ltr.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_flags_FwdYes, { "FwdYes", "cfm.flags.fwdyes", FT_UINT8, BASE_DEC, NULL, 0x40, NULL, HFILL } }, { &hf_cfm_flags_TerminalMEP, { "TerminalMEP", "cfm.flags.ltr.terminalmep", FT_UINT8, BASE_DEC, NULL, 0x20, NULL, HFILL } }, { &hf_cfm_flags_ltr_Reserved, { "Reserved", "cfm.flags.ltr.reserved", FT_UINT8, BASE_DEC, NULL, 0x1F, NULL, HFILL } }, { &hf_cfm_ltr_relay_action, { "Linktrace Reply Relay Action", "cfm.ltr.relay.action", FT_UINT8, BASE_DEC, VALS(relayactiontypes), 0x0, NULL, HFILL} }, /* CFM AIS*/ { &hf_cfm_ais_pdu, { "CFM AIS PDU", "cfm.ais.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_flags_ais_lck_Reserved, { "Reserved", "cfm.flags.ais_lck_Reserved", FT_UINT8, BASE_DEC, NULL, 0xF8, NULL, HFILL } }, { &hf_cfm_flags_ais_lck_Period, { "Period", "cfm.flags.ais_lck_Period", FT_UINT8, BASE_DEC, VALS(aislckperiodtypes), 0x07, NULL, HFILL } }, /* CFM GNM */ { &hf_cfm_gnm_pdu, { "CFM GNM PDU", "cfm.gnm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_gnm_subopcode, { "Sub-OpCode", "cfm.gnm.subopcode", FT_UINT8, BASE_HEX, VALS(gnmsubopcodetypenames), 0x0, NULL, HFILL } }, /* CFM GNM BNM*/ { &hf_cfm_gnm_bnm_pdu, { "CFM GNM BNM PDU", "cfm.gnm.bnm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_gnm_bnm_nominal_bw, { "Nominal Bandwidth", "cfm.gnm.bnm.nominal.bw", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_gnm_bnm_current_bw, { "Current Bandwidth", "cfm.gnm.bnm.current.bw", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_gnm_bnm_port_id, { "Port ID", "cfm.gnm.bnm.port.id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /* CFM LCK */ { &hf_cfm_lck_pdu, { "CFM LCK PDU", "cfm.lck.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM TST */ { &hf_cfm_tst_pdu, { "CFM TST PDU", "cfm.tst.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_flags_Reserved, { "Reserved", "cfm.flags.reserved", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_tst_sequence_num, { "Sequence Number", "cfm.tst.sequence.num", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /* CFM APS */ { &hf_cfm_aps_pdu, { "CFM APS PDU", "cfm.aps.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_aps_req_st, { "Request/State", "cfm.raps.req.st", FT_UINT8, BASE_DEC, VALS(aps_request_state_values), 0xf0, NULL, HFILL } }, { &hf_cfm_aps_protection_type_A, { "Protection type A", "cfm.aps.protec.type.A", FT_BOOLEAN, 8, TFS(&aps_protection_type_A_values), 0x08, NULL, HFILL } }, { &hf_cfm_aps_protection_type_B, { "Protection type B", "cfm.aps.protec.type.B", FT_BOOLEAN, 8, TFS(&aps_protection_type_B_values), 0x04, NULL, HFILL } }, { &hf_cfm_aps_protection_type_D, { "Protection type D", "cfm.aps.protec.type.D", FT_BOOLEAN, 8, TFS(&aps_protection_type_D_values), 0x02, NULL, HFILL } }, { &hf_cfm_aps_protection_type_R, { "Protection type R", "cfm.aps.protec.type.R", FT_BOOLEAN, 8, TFS(&aps_protection_type_R_values), 0x01, NULL, HFILL } }, { &hf_cfm_aps_requested_signal, { "Requested signal", "cfm.aps.req.sgnl", FT_UINT8, BASE_HEX, VALS(aps_requested_signal_values), 0x0, NULL, HFILL } }, { &hf_cfm_aps_bridged_signal, { "Bridged signal", "cfm.aps.brdgd.sgnl", FT_UINT8, BASE_HEX, VALS(aps_bridged_signal_values), 0x0, NULL, HFILL } }, { &hf_cfm_aps_bridge_type, { "Bridge type", "cfm.aps.bridge.type", FT_UINT8, BASE_HEX, VALS(aps_bridge_type_values), 0x80, NULL, HFILL } }, /* CFM R-APS */ { &hf_cfm_raps_pdu, { "CFM R-APS PDU", "cfm.raps.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_raps_req_st, { "Request/State", "cfm.raps.req.st", FT_UINT8, BASE_HEX, VALS(rapsrequeststatevalues), 0xF0, NULL, HFILL } }, { &hf_cfm_raps_event_subcode, { "Sub-code", "cfm.raps.event.subcode", FT_UINT8, BASE_HEX, VALS(rapseventsubcode), 0x0F, NULL, HFILL } }, { &hf_cfm_raps_flags, { "R-APS Flags", "cfm.raps.flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_raps_flags_rb, { "RPL Blocked", "cfm.raps.flags.rb", FT_BOOLEAN, 8, TFS(&rapsrplblockedvalues), 0x80, NULL, HFILL } }, { &hf_cfm_raps_flags_dnf, { "Do Not Flush", "cfm.raps.flags.dnf", FT_BOOLEAN, 8, TFS(&rapsdnfvalues), 0x40, NULL, HFILL } }, { &hf_cfm_raps_flags_bpr, { "Blocked Port Reference", "cfm.raps.flags.bpr", FT_BOOLEAN, 8, TFS(&rapsbprvalues), 0x20, NULL, HFILL } }, { &hf_cfm_raps_node_id, { "R-APS Node ID", "cfm.raps.node.id", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_raps_reserved, { "R-APS Reserved", "cfm.raps.reserved", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM MCC */ { &hf_cfm_mcc_pdu, { "CFM MCC PDU", "cfm.mcc.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_mcc_data, { "MCC data", "cfm.mcc.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM LMM */ { &hf_cfm_lmm_pdu, { "CFM LMM PDU", "cfm.lmm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_lmm_lmr_TxFCf, { "TxFCf", "cfm.lmm.lmr.txfcf", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_lmm_lmr_RxFCf, { "RxFCf", "cfm.lmm.lmr.rxfcf", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_lmm_lmr_TxFCb, { "TxFCb", "cfm.lmm.lmr.txfcb", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM LMR */ { &hf_cfm_lmr_pdu, { "CFM LMR PDU", "cfm.lmr.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM 1DM */ { &hf_cfm_odm_pdu, { "CFM 1DM PDU", "cfm.odm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_odm_dmm_dmr_TxTimestampf, { "TxTimestampf", "cfm.odm.dmm.dmr.txtimestampf", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_odm_dmm_dmr_RxTimestampf, { "RxTimestampf", "cfm.odm.dmm.dmr.rxtimestampf", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM DMM */ { &hf_cfm_dmm_pdu, { "CFM DMM PDU", "cfm.dmm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_dmm_dmr_TxTimestampb, { "TxTimestampb", "cfm.dmm.dmr.txtimestampb", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_dmm_dmr_RxTimestampb, { "RxTimestampb", "cfm.dmm.dmr.rxtimestampb", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM DMR */ { &hf_cfm_dmr_pdu, { "CFM DMR PDU", "cfm.dmr.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM EXM */ { &hf_cfm_exm_pdu, { "CFM EXM PDU", "cfm.exm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_exm_exr_data, { "EXM/EXR data", "cfm.exm_exr.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM EXR */ { &hf_cfm_exr_pdu, { "CFM EXR PDU", "cfm.exr.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM VSM */ { &hf_cfm_vsm_pdu, { "CFM VSM PDU", "cfm.vsm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_vsm_vsr_data, { "VSM/VSR data", "cfm.vsm_vsr.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* CFM VSR */ { &hf_cfm_vsr_pdu, { "CFM VSR PDU", "cfm.vsr.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* Synthetic Loss values */ { &hf_cfm_slm_pdu, { "CFM SLM PDU", "cfm.slm.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_slr_pdu, { "CFM SLR PDU", "cfm.slr.pdu", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_slm_src_mep, { "Source MEP ID", "cfm.slm.src_mep_id", FT_UINT16, BASE_DEC, NULL, 0x1FFF, NULL, HFILL } }, { &hf_cfm_slr_rsp_mep, { "Responder MEP ID", "cfm.slr.rsp_mep_id", FT_UINT16, BASE_DEC, NULL, 0x1FFF, NULL, HFILL } }, { &hf_cfm_slm_testid, { "TestID", "cfm.slm.test_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_slm_txfcf, { "TxFcF", "cfm.slm.txfcf", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_slr_txfcb, { "TxFcB", "cfm.slr.txfcb", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /******************************* TLVs ****************************/ { &hf_cfm_all_tlvs, { "CFM TLVs", "cfm.all.tlvs", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_cfm_tlv_type, { "TLV Type", "cfm.tlv.type", FT_UINT8, BASE_DEC, VALS(tlvtypefieldvalues), 0x0, NULL, HFILL} }, { &hf_cfm_tlv_length, { "TLV Length", "cfm.tlv.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL} }, /* Sender ID TLV */ { &hf_tlv_chassis_id_length, { "Chassis ID Length", "cfm.tlv.chassis.id.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_chassis_id_subtype, { "Chassis ID Sub-type", "cfm.tlv.chassis.id.subtype", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_chassis_id, { "Chassis ID", "cfm.tlv.chassis.id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_ma_domain_length, { "Management Address Domain Length", "cfm.tlv.ma.domain.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_ma_domain, { "Management Address Domain", "cfm.tlv.ma.domain", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_management_addr_length, { "Management Address Length", "cfm.tlv.management.addr.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_management_addr, { "Management Address", "cfm.tlv.management.addr", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, /* Port Status TLV */ { &hf_tlv_port_status_value, { "Port Status value", "cfm.tlv.port.status.value", FT_UINT8, BASE_DEC, VALS(portstatTLVvalues), 0x0, NULL, HFILL} }, /* Data TLV */ { &hf_tlv_data_value, { "Data Value", "cfm.tlv.data.value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, /* Interface status TLV */ { &hf_tlv_interface_status_value, { "Interface Status value", "cfm.tlv.port.interface.value", FT_UINT8, BASE_DEC, VALS(interfacestatTLVvalues), 0x0, NULL, HFILL} }, /* Reply Ingress TLV */ { &hf_tlv_reply_ingress_action, { "Ingress Action", "cfm.tlv.reply.ingress.action", FT_UINT8, BASE_DEC, VALS(replyingressTLVvalues), 0x0, NULL, HFILL} }, { &hf_tlv_reply_ingress_mac_address, { "Ingress MAC address", "cfm.tlv.reply.ingress.mac.address", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_reply_ing_egr_portid_length, { "Chassis ID Length", "cfm.tlv.reply.ing.egr.portid.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_reply_ing_egr_portid_subtype, { "Chassis ID Sub-type", "cfm.tlv.reply.ing.egr.portid.subtype", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_tlv_reply_ing_egr_portid, { "Chassis ID", "cfm.tlv.reply.ing.egr.portid", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, /* Reply Egress TLV */ { &hf_tlv_reply_egress_action, { "Egress Action", "cfm.tlv.reply.egress.action", FT_UINT8, BASE_DEC, VALS(replyegressTLVvalues), 0x0, NULL, HFILL} }, { &hf_tlv_reply_egress_mac_address, { "Egress MAC address", "cfm.tlv.reply.egress.mac.address", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* LTM Egress Identifier TLV */ { &hf_tlv_ltm_egress_id_mac, { "Egress Identifier - MAC of LT Initiator/Responder", "cfm.tlv.ltm.egress.id.mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_ltm_egress_id_unique_identifier, { "Egress Identifier - Unique Identifier", "cfm.tlv.ltm.egress.id.ui", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* LTR Egress Identifier TLV */ { &hf_tlv_ltr_egress_last_id_mac, { "Last Egress Identifier - MAC address", "cfm.tlv.ltr.egress.last.id.mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_ltr_egress_last_id_unique_identifier, { "Last Egress Identifier - Unique Identifier", "cfm.tlv.ltr.egress.last.id.ui", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_ltr_egress_next_id_mac, { "Next Egress Identifier - MAC address", "cfm.tlv.ltr.egress.next.id.mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_ltr_egress_next_id_unique_identifier, { "Next Egress Identifier - Unique Identifier", "cfm.tlv.ltr.egress.next.id.ui", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* Organization-Specific TLV */ { &hf_tlv_org_spec_oui, { "OUI", "cfm.tlv.org.spec.oui", FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_org_spec_subtype, { "Sub-Type", "cfm.tlv.org.spec.subtype", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_org_spec_value, { "Value", "cfm.tlv.org.spec.value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* Test TLV */ { &hf_tlv_tst_test_pattern_type, { "Test Pattern Type", "cfm.tlv.tst.test.pattern.type", FT_UINT8, BASE_DEC, VALS(testTLVpatterntypes), 0x0, NULL, HFILL} }, { &hf_tlv_tst_test_pattern, { "Test Pattern", "cfm.tlv.tst.test.pattern", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_tlv_tst_CRC32, { "CRC-32", "cfm.tlv.tst.crc32", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_cfm, &ett_cfm_flags, &ett_cfm_ccm_maid, &ett_cfm_ccm_itu, &ett_cfm_pdu, &ett_cfm_all_tlvs, &ett_cfm_tlv, &ett_cfm_raps_flags }; proto_cfm = proto_register_protocol ( "CFM EOAM 802.1ag/ITU Protocol", /* name */ "CFM", /* short name */ "cfm" /* abbrev */ ); cfm_handle = register_dissector("cfm", dissect_cfm, proto_cfm); proto_register_field_array(proto_cfm, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } /* Register CFM OEAM protocol handler */ void proto_reg_handoff_cfm(void) { dissector_add_uint("ethertype", ETHERTYPE_CFM, cfm_handle); dissector_add_for_decode_as("pwach.channel_type", cfm_handle); } /* * Editor modelines - http://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: */