diff options
Diffstat (limited to 'plugins/epan/wimax/msg_prc_lt_ctrl.c')
| -rw-r--r-- | plugins/epan/wimax/msg_prc_lt_ctrl.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/plugins/epan/wimax/msg_prc_lt_ctrl.c b/plugins/epan/wimax/msg_prc_lt_ctrl.c new file mode 100644 index 0000000000..38733a7ace --- /dev/null +++ b/plugins/epan/wimax/msg_prc_lt_ctrl.c @@ -0,0 +1,148 @@ +/* msg_prc_lt_ctrl.c + * WiMax MAC Management PRC-LT-CTRL Message decoders + * + * Copyright (c) 2007 by Intel Corporation. + * + * Author: John R. Underwood <junderx@yahoo.com> + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* Include files */ + +#include "config.h" + +#include <epan/packet.h> +#include "wimax_mac.h" + + +void proto_register_mac_mgmt_msg_prc_lt_ctrl(void); +void proto_reg_handoff_mac_mgmt_msg_prc_lt_ctrl(void); + +static gint proto_mac_mgmt_msg_prc_lt_ctrl_decoder = -1; + +static gint ett_mac_mgmt_msg_prc_lt_ctrl_decoder = -1; + +/* PRC-LT-CTRL fields */ +static gint hf_prc_lt_ctrl_precoding = -1; +static gint hf_prc_lt_ctrl_precoding_delay = -1; +/* static gint hf_prc_lt_ctrl_invalid_tlv = -1; */ + +static const value_string vals_turn_on[] = { + {0, "Turn off"}, + {1, "Turn on"}, + {0, NULL} +}; + + +/* Decode PRC-LT-CTRL messages. */ +static int dissect_mac_mgmt_msg_prc_lt_ctrl_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) +{ + guint offset = 0; + proto_item *prc_lt_ctrl_item; + proto_tree *prc_lt_ctrl_tree; + + { /* we are being asked for details */ + + /* display MAC payload type PRC-LT-CTRL */ + prc_lt_ctrl_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_prc_lt_ctrl_decoder, tvb, 0, -1, "MAC Management Message, PRC-LT-CTRL"); + + /* add MAC PRC-LT-CTRL subtree */ + prc_lt_ctrl_tree = proto_item_add_subtree(prc_lt_ctrl_item, ett_mac_mgmt_msg_prc_lt_ctrl_decoder); + + /* display whether to Setup or Tear-down the + * long-term MIMO precoding delay */ + proto_tree_add_item(prc_lt_ctrl_tree, hf_prc_lt_ctrl_precoding, tvb, offset, 1, ENC_BIG_ENDIAN); + + /* display the Precoding Delay */ + proto_tree_add_item(prc_lt_ctrl_tree, hf_prc_lt_ctrl_precoding_delay, tvb, offset, 1, ENC_BIG_ENDIAN); + } + return tvb_captured_length(tvb); +} + +/* Register Wimax Mac Payload Protocol and Dissector */ +void proto_register_mac_mgmt_msg_prc_lt_ctrl(void) +{ + /* PRC-LT-CTRL fields display */ + static hf_register_info hf[] = + { +#if 0 + { + &hf_prc_lt_ctrl_invalid_tlv, + { + "Invalid TLV", "wmx.prc_lt_ctrl.invalid_tlv", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL + } + }, +#endif + { + &hf_prc_lt_ctrl_precoding, + { + "Setup/Tear-down long-term precoding with feedback", + "wimax.prc_lt_ctrl.precoding", + FT_UINT8, BASE_DEC, VALS(vals_turn_on), 0x80, NULL, HFILL + } + }, + { + &hf_prc_lt_ctrl_precoding_delay, + { + "BS precoding application delay", + "wimax.prc_lt_ctrl.precoding_delay", + FT_UINT8, BASE_DEC, NULL, 0x60, NULL, HFILL + } + } + }; + + /* Setup protocol subtree array */ + static gint *ett[] = + { + &ett_mac_mgmt_msg_prc_lt_ctrl_decoder, + }; + + proto_mac_mgmt_msg_prc_lt_ctrl_decoder = proto_register_protocol ( + "WiMax PRC-LT-CTRL Message", /* name */ + "WiMax PRC-LT-CTRL (prc)", /* short name */ + "wmx.prc" /* abbrev */ + ); + + proto_register_field_array(proto_mac_mgmt_msg_prc_lt_ctrl_decoder, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_mac_mgmt_msg_prc_lt_ctrl(void) +{ + dissector_handle_t handle; + + handle = create_dissector_handle(dissect_mac_mgmt_msg_prc_lt_ctrl_decoder, proto_mac_mgmt_msg_prc_lt_ctrl_decoder); + dissector_add_uint("wmx.mgmtmsg", MAC_MGMT_MSG_PRC_LT_CTRL, 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: + */ |