diff options
Diffstat (limited to 'plugins/epan/wimax/msg_clk_cmp.c')
| -rw-r--r-- | plugins/epan/wimax/msg_clk_cmp.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/plugins/epan/wimax/msg_clk_cmp.c b/plugins/epan/wimax/msg_clk_cmp.c new file mode 100644 index 0000000000..5958bafbaf --- /dev/null +++ b/plugins/epan/wimax/msg_clk_cmp.c @@ -0,0 +1,162 @@ +/* msg_clk_cmp.c + * WiMax MAC Management CLK_CMP Message decoders + * + * Copyright (c) 2007 by Intel Corporation. + * + * Author: Lu Pan <lu.pan@intel.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_clk_cmp(void); +void proto_reg_handoff_mac_mgmt_msg_clk_cmp(void); + +static gint proto_mac_mgmt_msg_clk_cmp_decoder = -1; + +static gint ett_mac_mgmt_msg_clk_cmp_decoder = -1; + +/* CLK_CMP fields */ +static gint hf_clk_cmp_clock_count = -1; +static gint hf_clk_cmp_clock_id = -1; +static gint hf_clk_cmp_seq_number = -1; +static gint hf_clk_cmp_comparison_value = -1; +/* static gint hf_clk_cmp_invalid_tlv = -1; */ + + +/* Decode CLK_CMP messages. */ +static int dissect_mac_mgmt_msg_clk_cmp_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) +{ + guint offset = 0; + guint i; + guint clock_count; + proto_item *clk_cmp_item; + proto_tree *clk_cmp_tree; + + { /* we are being asked for details */ + /* display MAC payload type CLK_CMP */ + clk_cmp_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_clk_cmp_decoder, tvb, offset, -1, "Clock Comparison (CLK-CMP)"); + /* add MAC CLK_CMP subtree */ + clk_cmp_tree = proto_item_add_subtree(clk_cmp_item, ett_mac_mgmt_msg_clk_cmp_decoder); + /* get the clock count */ + clock_count = tvb_get_guint8(tvb, offset); + /* display the clock count */ + proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_clock_count, tvb, offset, 1, ENC_BIG_ENDIAN); + /* set the offset for clock comparison */ + offset++; + for (i = 0; i < clock_count; i++ ) + { /* display the Clock ID */ + proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_clock_id, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the sequence number */ + proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_seq_number, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the comparison value */ + proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_comparison_value, tvb, offset++, 1, ENC_BIG_ENDIAN); + } + } + return tvb_captured_length(tvb); +} + +/* Register Wimax Mac Payload Protocol and Dissector */ +void proto_register_mac_mgmt_msg_clk_cmp(void) +{ + /* CLK_CMP fields display */ + static hf_register_info hf_clk_cmp[] = + { + { + &hf_clk_cmp_clock_count, + { + "Clock Count", "wmx.clk_cmp.clock_count", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL + } + }, + { + &hf_clk_cmp_clock_id, + { + "Clock ID", "wmx.clk_cmp.clock_id", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL + } + }, + { + &hf_clk_cmp_comparison_value, + { + "Comparison Value", "wmx.clk_cmp.comparison_value", + FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL + } + }, +#if 0 + { + &hf_clk_cmp_invalid_tlv, + { + "Invalid TLV", "wmx.clk_cmp.invalid_tlv", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL + } + }, +#endif + { + &hf_clk_cmp_seq_number, + { + "Sequence Number", "wmx.clk_cmp.seq_number", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL + } + } + }; + + /* Setup protocol subtree array */ + static gint *ett[] = + { + &ett_mac_mgmt_msg_clk_cmp_decoder, + }; + + proto_mac_mgmt_msg_clk_cmp_decoder = proto_register_protocol ( + "WiMax CLK-CMP Message", /* name */ + "WiMax CLK-CMP (clk)", /* short name */ + "wmx.clk" /* abbrev */ + ); + + proto_register_field_array(proto_mac_mgmt_msg_clk_cmp_decoder, hf_clk_cmp, array_length(hf_clk_cmp)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_mac_mgmt_msg_clk_cmp(void) +{ + dissector_handle_t handle; + + handle = create_dissector_handle(dissect_mac_mgmt_msg_clk_cmp_decoder, proto_mac_mgmt_msg_clk_cmp_decoder); + dissector_add_uint("wmx.mgmtmsg", MAC_MGMT_MSG_CLK_CMP, 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: + */ |