epan/dissectors/packet-bt-oui.c

   1 /* packet-bt-oui.c
   2  * Dissector for Bluetooth High Speed over wireless
   3  * Copyright 2012 intel Corp.
   4  * Written by Andrei Emeltchenko at intel dot com
   5  *
   6  * $Id$
   7  *
   8  * Wireshark - Network traffic analyzer
   9  * By Gerald Combs <gerald@wireshark.org>
  10  * Copyright 1998 Gerald Combs
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #include "config.h"
  28
  29 #include <epan/packet.h>
  30 #include "packet-llc.h"
  31 #include <epan/oui.h>
  32
  33 static int hf_llc_bluetooth_pid = -1;
  34
  35 /*
  36  * BLUETOOTH SPECIFICATION Version 4.0 [Vol 5] defines that
  37  * before transmission, the PAL shall remove the HCI header,
  38  * add LLC and SNAP headers and insert an 802.11 MAC header.
  39  * Protocol identifier are described in Table 5.2.
  40  */
  41
  42 #define AMP_U_L2CAP             0x0001
  43 #define AMP_C_ACTIVITY_REPORT   0x0002
  44 #define AMP_C_SECURITY_FRAME    0x0003
  45 #define AMP_C_LINK_SUP_REQUEST  0x0004
  46 #define AMP_C_LINK_SUP_REPLY    0x0005
  47
  48 static const value_string bluetooth_pid_vals[] = {
  49         { AMP_U_L2CAP,                  "AMP_U L2CAP ACL data" },
  50         { AMP_C_ACTIVITY_REPORT,        "AMP-C Activity Report" },
  51         { AMP_C_SECURITY_FRAME,         "AMP-C Security frames" },
  52         { AMP_C_LINK_SUP_REQUEST,       "AMP-C Link supervision request" },
  53         { AMP_C_LINK_SUP_REPLY,         "AMP-C Link supervision reply" },
  54         { 0,    NULL }
  55 };
  56
  57 void proto_register_bt_oui(void);
  58 void proto_reg_handoff_bt_oui(void);
  59
  60 /*
  61  * NOTE: there's no dissector here, just registration routines to set
  62  * up the dissector table for the Bluetooth OUI
  63  */
  64
  65 void proto_reg_handoff_bt_oui(void)
  66 {
  67         dissector_handle_t eapol_handle;
  68         dissector_handle_t btl2cap_handle;
  69
  70         eapol_handle = find_dissector("eapol");
  71         btl2cap_handle = find_dissector("btl2cap");
  72
  73         dissector_add_uint("llc.bluetooth_pid", AMP_C_SECURITY_FRAME, eapol_handle);
  74         dissector_add_uint("llc.bluetooth_pid", AMP_U_L2CAP, btl2cap_handle);
  75 }
  76
  77
  78 void proto_register_bt_oui(void)
  79 {
  80         static hf_register_info hf[] = {
  81                 { &hf_llc_bluetooth_pid,
  82                         { "PID",        "llc.bluetooth_pid",  FT_UINT16, BASE_HEX,
  83                                 VALS(bluetooth_pid_vals), 0x0, "Protocol ID", HFILL }
  84                 }
  85         };
  86
  87         llc_add_oui(OUI_BLUETOOTH, "llc.bluetooth_pid", "LLC Bluetooth OUI PID", hf);
  88 }
  89