diff options
Diffstat (limited to 'plugins/wimax/msg_dsx_rvd.c')
| -rw-r--r-- | plugins/wimax/msg_dsx_rvd.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/plugins/wimax/msg_dsx_rvd.c b/plugins/wimax/msg_dsx_rvd.c new file mode 100644 index 0000000000..2241802a8e --- /dev/null +++ b/plugins/wimax/msg_dsx_rvd.c @@ -0,0 +1,121 @@ +/* msg_dsx_rvd.c + * WiMax MAC Management DSX-RVD Message 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 + +#include <gmodule.h> +#include <epan/packet.h> +#include "wimax_mac.h" + +/* forward reference */ +void dissect_mac_mgmt_msg_dsx_rvd_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static gint proto_mac_mgmt_msg_dsx_rvd_decoder = -1; +static gint ett_mac_mgmt_msg_dsx_rvd_decoder = -1; + +/* Setup protocol subtree array */ +static gint *ett[] = +{ + &ett_mac_mgmt_msg_dsx_rvd_decoder, +}; + +/* fix fields */ +static gint hf_dsx_rvd_message_type = -1; +static gint hf_dsx_rvd_transaction_id = -1; +static gint hf_dsx_rvd_confirmation_code = -1; + +/* DSX_RVD display */ +static hf_register_info hf_dsx_rvd[] = +{ + { + &hf_dsx_rvd_message_type, + {"MAC Management Message Type", "wimax.macmgtmsgtype.dsx_rvd", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL} + }, + { + &hf_dsx_rvd_confirmation_code, + { "Confirmation code", "wimax.dsx_rvd.confirmation_code", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL} + }, + { + &hf_dsx_rvd_transaction_id, + { "Transaction ID", "wimax.dsx_rvd.transaction_id", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL} + } +}; + +/* Register Wimax Mac Payload Protocol and Dissector */ +void proto_register_mac_mgmt_msg_dsx_rvd(void) +{ + if (proto_mac_mgmt_msg_dsx_rvd_decoder == -1) + { + proto_mac_mgmt_msg_dsx_rvd_decoder = proto_register_protocol ( + "WiMax DSX-RVD Message", /* name */ + "WiMax DSX-RVD (dsx)", /* short name */ + "dsx" /* abbrev */ + ); + + proto_register_field_array(proto_mac_mgmt_msg_dsx_rvd_decoder, hf_dsx_rvd, array_length(hf_dsx_rvd)); + proto_register_subtree_array(ett, array_length(ett)); + } +} + +/* Decode DSX-RVD messages. */ +void dissect_mac_mgmt_msg_dsx_rvd_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint offset = 0; + guint tvb_len, payload_type; + proto_item *dsx_rvd_item = NULL; + proto_tree *dsx_rvd_tree = NULL; + + if(tree) + { /* we are being asked for details */ + /* get the message type */ + payload_type = tvb_get_guint8(tvb, offset); + /* ensure the message type is DSX-RVD */ + if(payload_type != MAC_MGMT_MSG_DSX_RVD) + return; + /* Get the tvb length */ + tvb_len = tvb_length(tvb); + /* display MAC message type */ + dsx_rvd_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_dsx_rvd_decoder, tvb, offset, tvb_len, "DSx Received (DSX-RVD) (%u bytes)", tvb_len); + /* add MAC DSx subtree */ + dsx_rvd_tree = proto_item_add_subtree(dsx_rvd_item, ett_mac_mgmt_msg_dsx_rvd_decoder); + /* display the Message Type */ + proto_tree_add_item(dsx_rvd_tree, hf_dsx_rvd_message_type, tvb, offset, 1, FALSE); + /* move to next field */ + offset++; + /* display the Transaction ID */ + proto_tree_add_item(dsx_rvd_tree, hf_dsx_rvd_transaction_id, tvb, offset, 2, FALSE); + /* move to next field */ + offset += 2; + /* display the Confirmation Code */ + proto_tree_add_item(dsx_rvd_tree, hf_dsx_rvd_confirmation_code, tvb, offset, 1, FALSE); + } +} |