![Guy Harris](/assets/img/avatar_default.png)
keys to have _uint in their names, to match the routines that handle dissector tables with string keys. (Using _port can confuse people into thinking they're intended solely for use with TCP/UDP/etc. ports when, in fact, they work better for things such as Ethernet types, where the binding of particular values to particular protocols are a lot stronger.) svn path=/trunk/; revision=35224
157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
/* packet-hci_h1.c
|
|
* Routines for the Bluetooth HCI h1 dissection
|
|
*
|
|
* $Id$
|
|
*
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <epan/packet.h>
|
|
|
|
|
|
|
|
static int proto_hci_h1 = -1;
|
|
static int hf_hci_h1_type = -1;
|
|
static int hf_hci_h1_direction = -1;
|
|
|
|
static gint ett_hci_h1 = -1;
|
|
|
|
static dissector_table_t hci_h1_table;
|
|
static dissector_handle_t data_handle;
|
|
|
|
|
|
static const value_string hci_h1_type_vals[] = {
|
|
{BTHCI_CHANNEL_COMMAND, "HCI Command"},
|
|
{BTHCI_CHANNEL_ACL, "ACL Data"},
|
|
{BTHCI_CHANNEL_SCO, "SCO Data"},
|
|
{BTHCI_CHANNEL_EVENT, "HCI Event"},
|
|
{0, NULL }
|
|
};
|
|
static const value_string hci_h1_direction_vals[] = {
|
|
{-1, "Unknown"},
|
|
{0, "Sent"},
|
|
{1, "Rcvd"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void
|
|
dissect_hci_h1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 type;
|
|
tvbuff_t *next_tvb;
|
|
proto_item *ti=NULL;
|
|
proto_tree *hci_h1_tree=NULL;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI");
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
type = pinfo->pseudo_header->bthci.channel;
|
|
|
|
if(tree){
|
|
ti = proto_tree_add_item(tree, proto_hci_h1, tvb, 0, 0, FALSE);
|
|
hci_h1_tree = proto_item_add_subtree(ti, ett_hci_h1);
|
|
|
|
if(pinfo->p2p_dir == P2P_DIR_SENT ||
|
|
pinfo->p2p_dir == P2P_DIR_RECV)
|
|
proto_item_append_text(hci_h1_tree, " %s %s",
|
|
match_strval(pinfo->p2p_dir,
|
|
hci_h1_direction_vals),
|
|
val_to_str(type,
|
|
hci_h1_type_vals,
|
|
"Unknown 0x%02x"));
|
|
else
|
|
proto_item_append_text(hci_h1_tree, " %s",
|
|
val_to_str(type,
|
|
hci_h1_type_vals,
|
|
"Unknown 0x%02x"));
|
|
}
|
|
|
|
if(check_col(pinfo->cinfo, COL_INFO)){
|
|
if(pinfo->p2p_dir == P2P_DIR_SENT ||
|
|
pinfo->p2p_dir == P2P_DIR_RECV)
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s",
|
|
match_strval(pinfo->p2p_dir,
|
|
hci_h1_direction_vals),
|
|
val_to_str(type, hci_h1_type_vals,
|
|
"Unknown 0x%02x"));
|
|
else
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s",
|
|
val_to_str(type, hci_h1_type_vals,
|
|
"Unknown 0x%02x"));
|
|
}
|
|
|
|
ti=proto_tree_add_int(hci_h1_tree, hf_hci_h1_direction, tvb, 0, 0, pinfo->p2p_dir);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, 0);
|
|
if(!dissector_try_uint(hci_h1_table, type, next_tvb, pinfo, tree)) {
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_hci_h1(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_hci_h1_type,
|
|
{ "HCI Packet Type", "hci_h1.type",
|
|
FT_UINT8, BASE_HEX, VALS(hci_h1_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_hci_h1_direction,
|
|
{ "Direction", "hci_h1.direction",
|
|
FT_INT8, BASE_DEC, VALS(hci_h1_direction_vals), 0x0,
|
|
"HCI Packet Direction Sent/Rcvd/Unknown", HFILL }},
|
|
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_hci_h1,
|
|
};
|
|
|
|
proto_hci_h1 = proto_register_protocol("Bluetooth HCI",
|
|
"HCI_H1", "hci_h1");
|
|
|
|
register_dissector("hci_h1", dissect_hci_h1, proto_hci_h1);
|
|
|
|
proto_register_field_array(proto_hci_h1, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
hci_h1_table = register_dissector_table("hci_h1.type",
|
|
"HCI h1 pdu type", FT_UINT8, BASE_HEX);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_hci_h1(void)
|
|
{
|
|
dissector_handle_t hci_h1_handle;
|
|
|
|
data_handle = find_dissector("data");
|
|
hci_h1_handle = find_dissector("hci_h1");
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_BLUETOOTH_HCI, hci_h1_handle);
|
|
}
|
|
|
|
|