/* mac_mgmt_msg_decoder.c * WiMax MAC Management Message decoder * * Copyright (c) 2007 by Intel Corporation. * * Author: Lu Pan * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1999 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* Include files */ #include "config.h" #include #include #include "wimax_mac.h" void proto_register_mac_mgmt_msg(void); void proto_reg_handoff_mac_mgmt_msg(void); static gint proto_mac_mgmt_msg_decoder = -1; static gint ett_mac_mgmt_msg_decoder = -1; static gint hf_mac_mgmt_msg_type = -1; static gint hf_mac_mgmt_msg_values = -1; static expert_field ei_empty_payload = EI_INIT; static dissector_table_t subdissector_message_table; /* WIMAX MAC Management message type info */ static const value_string mgt_msg_abbrv_vals[] = { { MAC_MGMT_MSG_UCD, "UCD" }, { MAC_MGMT_MSG_DCD, "DCD" }, { MAC_MGMT_MSG_DL_MAP, "DL-MAP" }, { MAC_MGMT_MSG_UL_MAP, "UL-MAP" }, { MAC_MGMT_MSG_RNG_REQ, "RNG-REQ" }, { MAC_MGMT_MSG_RNG_RSP, "RNG-RSP" }, { MAC_MGMT_MSG_REG_REQ, "REG-REQ" }, { MAC_MGMT_MSG_REG_RSP, "REG-RSP" }, { 8, "Reserved8" }, { MAC_MGMT_MSG_PKM_REQ, "PKM-REQ" }, { MAC_MGMT_MSG_PKM_RSP, "PKM-RSP" }, { MAC_MGMT_MSG_DSA_REQ, "DSA-REQ" }, { MAC_MGMT_MSG_DSA_RSP, "DSA-RSP" }, { MAC_MGMT_MSG_DSA_ACK, "DSA-ACK" }, { MAC_MGMT_MSG_DSC_REQ, "DSC-REQ" }, { MAC_MGMT_MSG_DSC_RSP, "DSC-RSP" }, { MAC_MGMT_MSG_DSC_ACK, "DSC-ACK" }, { MAC_MGMT_MSG_DSD_REQ, "DSD-REQ" }, { MAC_MGMT_MSG_DSD_RSP, "DSD-RSP" }, { 19, "Reserved19" }, { 20, "Reserved20" }, { MAC_MGMT_MSG_MCA_REQ, "MCA-REQ" }, { MAC_MGMT_MSG_MCA_RSP, "MCA-RSP" }, { MAC_MGMT_MSG_DBPC_REQ, "DBPC-REQ" }, { MAC_MGMT_MSG_DBPC_RSP, "DBPC-RSP" }, { MAC_MGMT_MSG_RES_CMD, "RES-CMD" }, { MAC_MGMT_MSG_SBC_REQ, "SBC-REQ" }, { MAC_MGMT_MSG_SBC_RSP, "SBC-RSP" }, { MAC_MGMT_MSG_CLK_CMP, "CLK-CMP" }, { MAC_MGMT_MSG_DREG_CMD, "DREG-CMD" }, { MAC_MGMT_MSG_DSX_RVD, "DSX-RVD" }, { MAC_MGMT_MSG_TFTP_CPLT, "TFTP-CPLT" }, { MAC_MGMT_MSG_TFTP_RSP, "TFTP-RSP" }, { MAC_MGMT_MSG_ARQ_FEEDBACK, "ARQ-FEEDBACK" }, { MAC_MGMT_MSG_ARQ_DISCARD, "ARQ-DISCARD" }, { MAC_MGMT_MSG_ARQ_RESET, "ARQ-RESET" }, { MAC_MGMT_MSG_REP_REQ, "REP-REQ" }, { MAC_MGMT_MSG_REP_RSP, "REP-RSP" }, { MAC_MGMT_MSG_FPC, "FPC" }, { MAC_MGMT_MSG_MSH_NCFG, "MSH-NCFG" }, { MAC_MGMT_MSG_MSH_NENT, "MSH-NENT" }, { MAC_MGMT_MSG_MSH_DSCH, "MSH-DSCH" }, { MAC_MGMT_MSG_MSH_CSCH, "MSH-CSCH" }, { MAC_MGMT_MSG_MSH_CSCF, "MSH-CSCF" }, { MAC_MGMT_MSG_AAS_FBCK_REQ, "AAS-FBCK_REQ" }, { MAC_MGMT_MSG_AAS_FBCK_RSP, "AAS-FBCK_RSP" }, { MAC_MGMT_MSG_AAS_BEAM_SELECT, "AAS-BEAM_SELECT" }, { MAC_MGMT_MSG_AAS_BEAM_REQ, "AAS-BEAM_REQ" }, { MAC_MGMT_MSG_AAS_BEAM_RSP, "AAS-BEAM_RSP" }, { MAC_MGMT_MSG_DREG_REQ, "DREG-REQ" }, { MAC_MGMT_MSG_MOB_SLP_REQ, "MOB-SLP-REQ" }, { MAC_MGMT_MSG_MOB_SLP_RSP, "MOB-SLP-RSP" }, { MAC_MGMT_MSG_MOB_TRF_IND, "MOB-TRF-IND" }, { MAC_MGMT_MSG_MOB_NBR_ADV, "MOB-NBR-ADV" }, { MAC_MGMT_MSG_MOB_SCN_REQ, "MOB-SCN-REQ" }, { MAC_MGMT_MSG_MOB_SCN_RSP, "MOB-SCN-RSP" }, { MAC_MGMT_MSG_MOB_BSHO_REQ, "MOB-BSHO-REQ" }, { MAC_MGMT_MSG_MOB_MSHO_REQ, "MOB-MSHO-REQ" }, { MAC_MGMT_MSG_MOB_BSHO_RSP, "MOB-BSHO-RSP" }, { MAC_MGMT_MSG_MOB_HO_IND, "MOB-HO-IND" }, { MAC_MGMT_MSG_MOB_SCN_REP, "MOB-SCN-REP" }, { MAC_MGMT_MSG_MOB_PAG_ADV, "MOB-PAG-ADV" }, { MAC_MGMT_MSG_MBS_MAP, "MBS-MAP" }, { MAC_MGMT_MSG_PMC_REQ, "PMC-REQ" }, { MAC_MGMT_MSG_PMC_RSP, "PMC-RSP" }, { MAC_MGMT_MSG_PRC_LT_CTRL, "PRC-LT-CTRL" }, { MAC_MGMT_MSG_MOB_ASC_REP, "MOB-ASC-REP" }, { 0, NULL } }; static value_string_ext mgt_msg_abbrv_vals_ext = VALUE_STRING_EXT_INIT(mgt_msg_abbrv_vals); static int dissect_mac_mgmt_msg_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { guint offset = 0; guint message_type; proto_item *message_item; proto_tree *message_tree; const char* mgt_msg_str; message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, -1, "MAC Management Message Type (%u bytes)", tvb_reported_length(tvb)); message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder); if (tvb_reported_length(tvb) == 0) { expert_add_info(pinfo, message_item, &ei_empty_payload); return tvb_captured_length(tvb); } /* Get the payload type */ message_type = tvb_get_guint8(tvb, offset); proto_tree_add_item(message_tree, hf_mac_mgmt_msg_type, tvb, offset, 1, ENC_NA); mgt_msg_str = val_to_str_ext_const(message_type, &mgt_msg_abbrv_vals_ext, "Unknown"); /* Display message type in Info column */ col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", mgt_msg_str); /* add the payload type into the info column */ if (try_val_to_str_ext(message_type, &mgt_msg_abbrv_vals_ext) == NULL) { /* display the MAC payload in Hex */ proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, -1, ENC_NA); return 1; } /* add the MAC header info to parent*/ proto_item_append_text(proto_tree_get_parent(tree), ", %s", mgt_msg_str); /* Decode and display the MAC payload */ if (!dissector_try_uint(subdissector_message_table, message_type, tvb_new_subset_remaining(tvb, 1), pinfo, tree)) { proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, -1, ENC_NA); } return tvb_captured_length(tvb); } /* Register Wimax Mac Payload Protocol and Dissector */ void proto_register_mac_mgmt_msg(void) { /* Payload display */ static hf_register_info hf[] = { { &hf_mac_mgmt_msg_type, { "MAC Management Message Type", "wmx.macmgtmsgtype", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &mgt_msg_abbrv_vals_ext, 0x0, NULL, HFILL } }, { &hf_mac_mgmt_msg_values, { "Values", "wmx.values", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_mac_mgmt_msg_decoder, }; static ei_register_info ei[] = { { &ei_empty_payload, { "wmx.empty_payload", PI_PROTOCOL, PI_ERROR, "Error: Mac payload tvb is empty !", EXPFILL }}, }; expert_module_t* expert_mac_mgmt; proto_mac_mgmt_msg_decoder = proto_register_protocol ( "WiMax MAC Management Message", /* name */ "MGMT MSG", /* short name */ "wmx.mgmt" /* abbrev */ ); proto_register_field_array(proto_mac_mgmt_msg_decoder, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_mac_mgmt = expert_register_protocol(proto_mac_mgmt_msg_decoder); expert_register_field_array(expert_mac_mgmt, ei, array_length(ei)); subdissector_message_table = register_dissector_table("wmx.mgmtmsg", "WiMax MAC Management Message", proto_mac_mgmt_msg_decoder, FT_UINT8, BASE_DEC); /* Register dissector by name */ register_dissector("wmx_mac_mgmt_msg_decoder", dissect_mac_mgmt_msg_decoder, proto_mac_mgmt_msg_decoder); } void proto_reg_handoff_mac_mgmt_msg(void) { dissector_handle_t mgt_msg_handle; /* Find the dissectors that appear to be supported through a third-party plugin Keep here until third-party plugin can register through the new "wmx.mgmtmsg" subdissector */ /* find the Multicast Assignment request message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mca_req_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MCA_REQ, mgt_msg_handle ); /* find the Multicast Assignment response message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mca_rsp_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MCA_RSP, mgt_msg_handle ); /* find the DL Burst Profile Change request message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_dbpc_req_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_DBPC_REQ, mgt_msg_handle ); /* find the DL Burst Profile Change response message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_dbpc_rsp_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_DBPC_RSP, mgt_msg_handle ); /* find the Config File TFTP Complete message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_tftp_cplt_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_TFTP_CPLT, mgt_msg_handle ); /* find the Config File TFTP Complete response message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_tftp_rsp_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_TFTP_RSP, mgt_msg_handle ); /* find the Mesh Network Configuration message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_ncfg_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MSH_NCFG, mgt_msg_handle ); /* find the Mesh Network Entry message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_nent_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MSH_NENT, mgt_msg_handle ); /* find the Mesh Distributed Schedule message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_dsch_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MSH_DSCH, mgt_msg_handle ); /* find the Mesh Centralized Schedule message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_csch_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MSH_CSCH, mgt_msg_handle ); /* find the Mesh Centralized Schedule Configuration message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_cscf_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MSH_CSCF, mgt_msg_handle ); /* find the AAS Beam request message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_aas_beam_req_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_AAS_BEAM_REQ, mgt_msg_handle ); /* find the AAS Beam response message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_aas_beam_rsp_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_AAS_BEAM_RSP, mgt_msg_handle ); /* find the Sleep Request message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_slp_req_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_SLP_REQ, mgt_msg_handle ); /* find the Sleep Response message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_slp_rsp_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_SLP_RSP, mgt_msg_handle ); /* find the Traffic Indication message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_trf_ind_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_TRF_IND, mgt_msg_handle ); /* find the Neighbor Advertisement message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_nbr_adv_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_NBR_ADV, mgt_msg_handle ); /* find the Scanning Interval Allocation Request message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_scn_req_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_SCN_REQ, mgt_msg_handle ); /* find the Scanning Interval Allocation Response message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_scn_rsp_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_SCN_RSP, mgt_msg_handle ); /* find the BS HO Request message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_bsho_req_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_BSHO_REQ, mgt_msg_handle ); /* find the MS HO Request message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_msho_req_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_MSHO_REQ, mgt_msg_handle ); /* find the BS HO Response message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_bsho_rsp_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_BSHO_RSP, mgt_msg_handle ); /* find the HO Indication message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_ho_ind_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_HO_IND, mgt_msg_handle ); /* find the Scanning Result Report message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_scn_rep_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_SCN_REP, mgt_msg_handle ); /* find the BS Broadcast Paging message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_pag_adv_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_PAG_ADV, mgt_msg_handle ); /* find the MBS MAP message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mbs_map_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MBS_MAP, mgt_msg_handle ); /* find the Association Result Report message handler */ mgt_msg_handle = find_dissector("mac_mgmt_msg_mob_asc_rep_handler"); if (mgt_msg_handle) dissector_add_uint( "wmx.mgmtmsg", MAC_MGMT_MSG_MOB_ASC_REP, mgt_msg_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: */