diff options
author | Gerald Combs <gerald@wireshark.org> | 2007-05-25 23:40:42 +0000 |
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committer | Gerald Combs <gerald@wireshark.org> | 2007-05-25 23:40:42 +0000 |
commit | a491fec183044f6065b8d92a3775f5130049b636 (patch) | |
tree | 3f899da6a2bb6dead6dbfa2392764a88ac26faa6 /plugins/wimax/msg_dsd.c | |
parent | 1e7c1bc0369f0c962ed73e8e34fa5ba7fa1a6c3d (diff) |
From Mike Harvey: Support for WiMAX and the WiMAX M2M encapsulation protocol.
Add support for WiMAX and M2M to various makefiles and installer files. Add
basic support for M2M to randpkt.
svn path=/trunk/; revision=21945
Diffstat (limited to 'plugins/wimax/msg_dsd.c')
-rw-r--r-- | plugins/wimax/msg_dsd.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/plugins/wimax/msg_dsd.c b/plugins/wimax/msg_dsd.c new file mode 100644 index 0000000000..db698b2b86 --- /dev/null +++ b/plugins/wimax/msg_dsd.c @@ -0,0 +1,308 @@ +/* msg_dsd.c + * WiMax MAC Management DSD-REQ/RSP Messages decoder + * + * Copyright (c) 2007 by Intel Corporation. + * + * Author: Lu Pan <lu.pan@intel.com> + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* Include files */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* +#define DEBUG +*/ + +#include <gmodule.h> +#include <epan/packet.h> +#include "wimax_tlv.h" +#include "wimax_mac.h" +#include "wimax_utils.h" + +extern gint proto_mac_mgmt_msg_dsa_decoder; + +/* forward reference */ +void proto_register_mac_mgmt_msg_dsd(void); +void dissect_mac_mgmt_msg_dsd_req_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +void dissect_mac_mgmt_msg_dsd_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +gint proto_mac_mgmt_msg_dsd_decoder = -1; +static gint ett_mac_mgmt_msg_dsd_req_decoder = -1; +static gint ett_mac_mgmt_msg_dsd_rsp_decoder = -1; +static gint ett_dsd_ul_sfe_decoder = -1; +static gint ett_dsd_dl_sfe_decoder = -1; +static gint ett_dsd_hmac_tuple = -1; +static gint ett_dsd_cmac_tuple = -1; + +/* Setup protocol subtree array */ +static gint *ett[] = +{ + &ett_mac_mgmt_msg_dsd_req_decoder, + &ett_mac_mgmt_msg_dsd_rsp_decoder, + &ett_dsd_ul_sfe_decoder, + &ett_dsd_dl_sfe_decoder, + &ett_dsd_hmac_tuple, + &ett_dsd_cmac_tuple, +}; + +static gchar *dsd_msgs[] = +{ + "Dynamic Service Deletion Request (DSD-REQ)", + "Dynamic Service Deletion Response (DSD-RSP)" +}; + +/* fix fields */ +static gint hf_dsd_req_message_type = -1; +static gint hf_dsd_transaction_id = -1; +static gint hf_dsd_service_flow_id = -1; +static gint hf_dsd_rsp_message_type = -1; +static gint hf_dsd_confirmation_code = -1; +static gint hf_dsd_invalid_tlv = -1; +static gint hf_dsd_unknown_type = -1; + +/* DSx display */ +static hf_register_info hf[] = +{ + { + &hf_dsd_req_message_type, + { + "MAC Management Message Type", "wimax.macmgtmsgtype.dsd_req", + FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL + } + }, + { + &hf_dsd_rsp_message_type, + { + "MAC Management Message Type", "wimax.macmgtmsgtype.dsd_rsp", + FT_BYTES, BASE_HEX, NULL, 0, "", HFILL + } + }, + { + &hf_dsd_confirmation_code, + { + "Confirmation code", "wimax.dsd.confirmation_code", + FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL + } + }, + { + &hf_dsd_service_flow_id, + { + "Service Flow ID", "wimax.dsd.service_flow_id", + FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL + } + }, + { + &hf_dsd_transaction_id, + { + "Transaction ID", "wimax.dsd.transaction_id", + FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL + } + } +}; + +/* Register Wimax Mac Payload Protocol and Dissector */ +void proto_register_mac_mgmt_msg_dsd(void) +{ + if (proto_mac_mgmt_msg_dsd_decoder == -1) + { + proto_mac_mgmt_msg_dsd_decoder = proto_mac_mgmt_msg_dsa_decoder; + + proto_register_field_array(proto_mac_mgmt_msg_dsd_decoder, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + } +} + +void dissect_mac_mgmt_msg_dsd_req_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint offset = 0; + guint tvb_len, payload_type, tlv_len, tlv_value_offset; + gint tlv_type; + proto_item *dsd_item = NULL; + proto_tree *dsd_tree = NULL; + proto_tree *tlv_tree = NULL; + tlv_info_t tlv_info; + + if(tree) + { /* we are being asked for details */ + /* get the message type */ + payload_type = tvb_get_guint8(tvb, offset); + /* ensure the message type is DSD REQ/RSP/ACK */ + if(payload_type != MAC_MGMT_MSG_DSD_REQ) + return; + /* Get the tvb length */ + tvb_len = tvb_length(tvb); + /* display MAC message type */ + dsd_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tvb_len, "%s (%u bytes)", dsd_msgs[payload_type - MAC_MGMT_MSG_DSD_REQ], tvb_len); + /* add MAC DSx subtree */ + dsd_tree = proto_item_add_subtree(dsd_item, ett_mac_mgmt_msg_dsd_req_decoder); + /* Decode and display the DSD message */ + /* display the Message Type */ + proto_tree_add_item(dsd_tree, hf_dsd_req_message_type, tvb, offset, 1, FALSE); + /* move to next field */ + offset++; + /* display the Transaction ID */ + proto_tree_add_item(dsd_tree, hf_dsd_transaction_id, tvb, offset, 2, FALSE); + /* move to next field */ + offset += 2; + /* display the Service Flow ID */ + proto_tree_add_item(dsd_tree, hf_dsd_service_flow_id, tvb, offset, 4, FALSE); + /* move to next field */ + offset += 4; + /* process DSD REQ message TLV Encode Information */ + while(offset < tvb_len) + { /* get the TLV information */ + init_tlv_info(&tlv_info, tvb, offset); + /* get the TLV type */ + tlv_type = get_tlv_type(&tlv_info); + /* get the TLV length */ + tlv_len = get_tlv_length(&tlv_info); + if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1) + { /* invalid tlv info */ + if(pinfo->cinfo) + { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "DSD-REQ TLV error"); + } + proto_tree_add_item(dsd_tree, hf_dsd_invalid_tlv, tvb, offset, (tvb_len - offset), FALSE); + break; + } + /* get the TLV value offset */ + tlv_value_offset = get_tlv_value_offset(&tlv_info); +#ifdef DEBUG /* for debug only */ + proto_tree_add_protocol_format(dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len + tlv_value_offset, "DSD-REQ TLV Type: %u (%u bytes, offset=%u, tvb_len=%u)", tlv_type, tlv_len + tlv_value_offset, offset, tvb_len); +#endif + /* update the offset */ + offset += tlv_value_offset; + /* process TLV */ + switch (tlv_type) + { + case HMAC_TUPLE: /* Table 348d */ + /* decode and display the HMAC Tuple */ + tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dsd_req_decoder, dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len, "HMAC Tuple (%u byte(s))", tlv_len); + wimax_hmac_tuple_decoder(tlv_tree, tvb, offset, tlv_len); + break; + case CMAC_TUPLE: /* Table 348b */ + /* decode and display the CMAC Tuple */ + tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dsd_req_decoder, dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len, "CMAC Tuple (%u byte(s))", tlv_len); + wimax_cmac_tuple_decoder(tlv_tree, tvb, offset, tlv_len); + break; + default: + /* display the unknown tlv in hex */ + tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dsd_req_decoder, dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len, "Unknown TLV (%u byte(s))", tlv_len); + proto_tree_add_item(tlv_tree, hf_dsd_unknown_type, tvb, (offset - tlv_value_offset), (tlv_len + tlv_value_offset), FALSE); + break; + } + offset += tlv_len; + } /* end of while loop */ + } +} + +void dissect_mac_mgmt_msg_dsd_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint offset = 0; + guint tvb_len, payload_type, tlv_len, tlv_value_offset; + gint tlv_type; + proto_item *dsd_item = NULL; + proto_tree *dsd_tree = NULL; + proto_tree *tlv_tree = NULL; + tlv_info_t tlv_info; + + if(tree) + { /* we are being asked for details */ + /* get the message type */ + payload_type = tvb_get_guint8(tvb, offset); + /* ensure the message type is DSD REQ/RSP/ACK */ + if(payload_type != MAC_MGMT_MSG_DSD_RSP) + return; + /* Get the tvb length */ + tvb_len = tvb_length(tvb); + /* display MAC message type */ + dsd_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tvb_len, "%s (%u bytes)", dsd_msgs[payload_type - MAC_MGMT_MSG_DSD_REQ], tvb_len); + /* add MAC DSx subtree */ + dsd_tree = proto_item_add_subtree(dsd_item, ett_mac_mgmt_msg_dsd_rsp_decoder); + /* Decode and display the DSD message */ + /* display the Message Type */ + proto_tree_add_item(dsd_tree, hf_dsd_rsp_message_type, tvb, offset, 1, FALSE); + /* move to next field */ + offset++; + /* display the Transaction ID */ + proto_tree_add_item(dsd_tree, hf_dsd_transaction_id, tvb, offset, 2, FALSE); + /* move to next field */ + offset += 2; + /* display the Confirmation Code */ + proto_tree_add_item(dsd_tree, hf_dsd_confirmation_code, tvb, offset, 1, FALSE); + /* move to next field */ + offset++; + /* display the Service Flow ID */ + proto_tree_add_item(dsd_tree, hf_dsd_service_flow_id, tvb, offset, 4, FALSE); + /* move to next field */ + offset += 4; + /* process DSD RSP message TLV Encode Information */ + while(offset < tvb_len) + { /* get the TLV information */ + init_tlv_info(&tlv_info, tvb, offset); + /* get the TLV type */ + tlv_type = get_tlv_type(&tlv_info); + /* get the TLV length */ + tlv_len = get_tlv_length(&tlv_info); + if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1) + { /* invalid tlv info */ + if(pinfo->cinfo) + { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "DSD RSP TLV error"); + } + proto_tree_add_item(dsd_tree, hf_dsd_invalid_tlv, tvb, offset, (tvb_len - offset), FALSE); + break; + } + /* get the TLV value offset */ + tlv_value_offset = get_tlv_value_offset(&tlv_info); +#ifdef DEBUG /* for debug only */ + proto_tree_add_protocol_format(dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len + tlv_value_offset, "DSD-RSP TLV Type: %u (%u bytes, offset=%u, tvb_len=%u)", tlv_type, tlv_len + tlv_value_offset, offset, tvb_len); +#endif + /* update the offset */ + offset += tlv_value_offset; + /* process TLV */ + switch (tlv_type) + { + case HMAC_TUPLE: /* Table 348d */ + /* decode and display the HMAC Tuple */ + tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dsd_req_decoder, dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len, "HMAC Tuple (%u byte(s))", tlv_len); + wimax_hmac_tuple_decoder(tlv_tree, tvb, offset, tlv_len); + break; + case CMAC_TUPLE: /* Table 348b */ + /* decode and display the CMAC Tuple */ + tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dsd_req_decoder, dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len, "CMAC Tuple (%u byte(s))", tlv_len); + wimax_cmac_tuple_decoder(tlv_tree, tvb, offset, tlv_len); + break; + default: + /* display the unknown tlv in hex */ + tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dsd_req_decoder, dsd_tree, proto_mac_mgmt_msg_dsd_decoder, tvb, offset, tlv_len, "Unknown TLV (%u byte(s))", tlv_len); + proto_tree_add_item(tlv_tree, hf_dsd_unknown_type, tvb, (offset - tlv_value_offset), (tlv_len + tlv_value_offset), FALSE); + break; + } + offset += tlv_len; + } /* end of while loop */ + } +} |