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/* packet-bthci_sco.c
* Routines for the Bluetooth SCO dissection
* Copyright 2002, Christoph Scholz <scholz@cs.uni-bonn.de>
*
* Refactored for wireshark checkin
* Ronnie Sahlberg 2006
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 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 "config.h"
#include <epan/packet.h>
#include "packet-bluetooth-hci.h"
/* Initialize the protocol and registered fields */
static int proto_bthci_sco = -1;
static int hf_bthci_sco_chandle = -1;
static int hf_bthci_sco_length = -1;
static int hf_bthci_sco_data = -1;
/* Initialize the subtree pointers */
static gint ett_bthci_sco = -1;
void proto_register_bthci_sco(void);
void proto_reg_handoff_bthci_sco(void);
/* Code to actually dissect the packets */
static gint
dissect_bthci_sco(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
{
proto_item *ti;
proto_tree *bthci_sco_tree;
gint offset = 0;
ti = proto_tree_add_item(tree, proto_bthci_sco, tvb, offset, -1, ENC_NA);
bthci_sco_tree = proto_item_add_subtree(ti, ett_bthci_sco);
switch (pinfo->p2p_dir) {
case P2P_DIR_SENT:
col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
break;
case P2P_DIR_RECV:
col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
break;
default:
col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown direction %d ",
pinfo->p2p_dir);
break;
}
proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_chandle, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_length, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_data, tvb, offset, -1, ENC_NA);
return tvb_length(tvb);
}
void
proto_register_bthci_sco(void)
{
static hf_register_info hf[] = {
{ &hf_bthci_sco_chandle,
{ "Connection Handle", "bthci_sco.chandle",
FT_UINT16, BASE_HEX, NULL, 0x0FFF,
NULL, HFILL }
},
{ &hf_bthci_sco_length,
{ "Data Total Length", "bthci_sco.length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_bthci_sco_data,
{ "Data", "bthci_sco.data",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_bthci_sco
};
/* Register the protocol name and description */
proto_bthci_sco = proto_register_protocol("Bluetooth HCI SCO Packet", "HCI_SCO", "bthci_sco");
new_register_dissector("bthci_sco", dissect_bthci_sco, proto_bthci_sco);
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_bthci_sco, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_bthci_sco(void)
{
dissector_handle_t bthci_sco_handle;
bthci_sco_handle = find_dissector("bthci_sco");
dissector_add_uint("hci_h4.type", HCI_H4_TYPE_SCO, bthci_sco_handle);
dissector_add_uint("hci_h1.type", BTHCI_CHANNEL_SCO, bthci_sco_handle);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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