forked from osmocom/wireshark
![Bill Meier](/assets/img/avatar_default.png)
- Move proto_register...() to the end of the file as per convention; - Move ett[] to be local to proto_register...(); - "if (...==-1)" not req'd in proto_register...(); - #include <moduleinfo.h> not req'd; - Remove unneeded forward declarations. svn path=/trunk/; revision=29296
163 lines
4.6 KiB
C
163 lines
4.6 KiB
C
/* msg_clk_cmp.c
|
|
* WiMax MAC Management CLK_CMP Message decoders
|
|
*
|
|
* 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 <glib.h>
|
|
#include <epan/packet.h>
|
|
#include "wimax_mac.h"
|
|
|
|
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_message_type = -1;
|
|
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. */
|
|
void dissect_mac_mgmt_msg_clk_cmp_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
guint offset = 0;
|
|
guint i;
|
|
guint clock_count;
|
|
guint tvb_len, payload_type;
|
|
proto_item *clk_cmp_item = NULL;
|
|
proto_tree *clk_cmp_tree = NULL;
|
|
|
|
/* Ensure the right payload type */
|
|
payload_type = tvb_get_guint8(tvb, 0);
|
|
if(payload_type != MAC_MGMT_MSG_CLK_CMP)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (tree)
|
|
{ /* we are being asked for details */
|
|
/* Get the tvb reported length */
|
|
tvb_len = tvb_reported_length(tvb);
|
|
/* display MAC payload type CLK_CMP */
|
|
clk_cmp_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_clk_cmp_decoder, tvb, offset, tvb_len, "Clock Comparison (CLK-CMP) (%u bytes)", tvb_len);
|
|
/* add MAC CLK_CMP subtree */
|
|
clk_cmp_tree = proto_item_add_subtree(clk_cmp_item, ett_mac_mgmt_msg_clk_cmp_decoder);
|
|
/* display the Message Type */
|
|
proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_message_type, tvb, offset, 1, FALSE);
|
|
/* set the offset for clock count */
|
|
offset ++;
|
|
/* 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, FALSE);
|
|
/* 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, FALSE);
|
|
/* display the sequence number */
|
|
proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_seq_number, tvb, offset++, 1, FALSE);
|
|
/* display the comparison value */
|
|
proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_comparison_value, tvb, offset++, 1, FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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_message_type,
|
|
{
|
|
"MAC Management Message Type", "wmx.macmgtmsgtype.clk_cmp",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&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
|
|
}
|
|
},
|
|
{
|
|
&hf_clk_cmp_invalid_tlv,
|
|
{
|
|
"Invalid TLV", "wmx.clk_cmp.invalid_tlv",
|
|
FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&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));
|
|
}
|