diff options
author | jake <jake@f5534014-38df-0310-8fa8-9805f1628bb7> | 2009-06-23 06:49:38 +0000 |
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committer | jake <jake@f5534014-38df-0310-8fa8-9805f1628bb7> | 2009-06-23 06:49:38 +0000 |
commit | 2cf01823c97a7bef2078875e71cde252de50499c (patch) | |
tree | 1c990e2bd44f2b298f5e7abc8f3b24aa0a3e54cd /epan/dissectors/packet-btamp.c | |
parent | 020d8234957e1a705d84136b702c7c3e95c2e269 (diff) |
From Kovarththanan Rajaratnam:
The Bluetooth AMP Manager protocol was recently adopted by the Bluetooth SIG.
This protocol sits on top of L2CAP and requires a few changes in order to
accommodate the new move/create channel request.
This patch includes:
* a new Bluetooth AMP Manager Protocol dissector
* changes to L2CAP to handle the new move/create channel signals
* introduce a dissector table for fixed channel, allowing btamp dissector to
handle the BT AMP Manager Protocol channel
* Preliminary changes in L2CAP to support the new enhanced L2CAP modes
(enhanced retransmission/streaming mode)
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@28819 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'epan/dissectors/packet-btamp.c')
-rw-r--r-- | epan/dissectors/packet-btamp.c | 645 |
1 files changed, 645 insertions, 0 deletions
diff --git a/epan/dissectors/packet-btamp.c b/epan/dissectors/packet-btamp.c new file mode 100644 index 0000000000..555fa3a84a --- /dev/null +++ b/epan/dissectors/packet-btamp.c @@ -0,0 +1,645 @@ +/* packet-btamp.c + * Routines for the Bluetooth AMP dissection + * + * Copyright 2009, Kovarththanan Rajaratnam <kovarththanan.rajaratnam@gmail.com> + * + * $Id$ + * + * 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 <glib.h> + +#include <epan/packet.h> +#include <etypes.h> +#include <epan/emem.h> +#include "packet-bthci_acl.h" +#include "packet-btl2cap.h" + +/* Initialize the protocol and registered fields */ +static int proto_btamp = -1; +static int hf_btamp_command = -1; +static int hf_btamp_cmd_code = -1; +static int hf_btamp_cmd_ident = -1; +static int hf_btamp_cmd_length = -1; +static int hf_btamp_cmd_data = -1; +static int hf_btamp_rej_reason = -1; +static int hf_btamp_mtu = -1; +static int hf_btamp_extfeatures = -1; +static int hf_btamp_lcontroller_id = -1; +static int hf_btamp_rcontroller_id = -1; +static int hf_btamp_controller_list = -1; +static int hf_btamp_controllers = -1; +static int hf_btamp_controller_id = -1; +static int hf_btamp_controller_type = -1; +static int hf_btamp_controller_status = -1; +static int hf_btamp_status = -1; +static int hf_btamp_create_status = -1; +static int hf_btamp_disc_status = -1; +static int hf_btamp_total_bw = -1; +static int hf_btamp_max_guaran_bw = -1; +static int hf_btamp_min_latency = -1; +static int hf_btamp_pal_caps_guaranteed = -1; +static int hf_btamp_pal_caps_mask = -1; +static int hf_btamp_amp_assoc_size = -1; +static int hf_btamp_amp_assoc = -1; + +/* Initialize the subtree pointers */ +static gint ett_btamp = -1; +static gint ett_btamp_cmd = -1; +static gint ett_btamp_caps = -1; +static gint ett_btamp_controller_entry = -1; +static gint ett_btamp_controller_list = -1; + +static const value_string command_code_vals[] = { + { 0x01, "AMP Command Reject" }, + { 0x02, "AMP Discover Request" }, + { 0x03, "AMP Discover Response" }, + { 0x04, "AMP Change Notify" }, + { 0x05, "AMP Change Response" }, + { 0x06, "AMP Get Info Request" }, + { 0x07, "AMP Get Info Response" }, + { 0x08, "AMP Get AMP Assoc Request" }, + { 0x09, "AMP Get AMP Assoc Response" }, + { 0x0A, "AMP Create Physical Link Request" }, + { 0x0B, "AMP Create Physical Link Response" }, + { 0x0C, "AMP Disconnect Physical Link Request" }, + { 0x0D, "AMP Disconnect Physical Link Response" }, + { 0, NULL } +}; + +static const value_string reason_vals[] = { + { 0x0000, "Command not understood" }, + { 0, NULL } +}; + +static const value_string controller_type_vals[] = { + { 0x0000, "Bluetooth BR/EDR" }, + { 0x0001, "802.11" }, + { 0x0002, "ECMA-368" }, + { 0, NULL } +}; + +static const value_string controller_status_vals[] = { + { 0x0000, "Controller available but currently physically powered down" }, + { 0x0001, "Controller used exclusively by Bluetooth BR/EDR" }, + { 0x0002, "Controller has no capacity available for Bluetooth operation" }, + { 0x0003, "Controller has low capacity available for Bluetooth operation" }, + { 0x0004, "Controller has medium capacity available for Bluetooth operation" }, + { 0x0005, "Controller has high capacity available for Bluetooth operation" }, + { 0x0006, "Controller has full capacity available for Bluetooth operation" }, + { 0, NULL } +}; + +static const value_string status_vals[] = { + { 0x0000, "Success" }, + { 0x0001, "Invalid Controller ID" }, + { 0, NULL } +}; + +static const value_string create_status_vals[] = { + { 0x0000, "Success" }, + { 0x0001, "Invalid Controller ID" }, + { 0x0002, "Failed - Unable to start link creation" }, + { 0x0003, "Failed - Collision Occurred" }, + { 0x0004, "Failed - AMP Disconnected Physical Link Request packet received" }, + { 0x0005, "Failed - Physical Link Already Exists" }, + { 0, NULL } +}; + +static const value_string disc_status_vals[] = { + { 0x0000, "Success" }, + { 0x0001, "Invalid Controller ID" }, + { 0x0002, "Failed - No Physical Link exists and no Physical Link creation is in progress" }, + { 0, NULL } +}; + +static int +dissect_comrej(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + guint16 reason; + + reason = tvb_get_letohs(tvb, offset); + proto_tree_add_item(tree, hf_btamp_rej_reason, tvb, offset, 2, TRUE); + offset+=2; + + switch(reason){ + case 0x0000: /* Command not understood */ + break; + + default: + break; + } + + return offset; +} + +static int +dissect_discoverrequest(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_mtu, tvb, offset, 2, TRUE); + offset+=2; + + proto_tree_add_item(tree, hf_btamp_extfeatures, tvb, offset, 2, TRUE); + offset+=2; + + return offset; +} + +static int +dissect_controller_entry(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, guint16 idx) +{ + proto_tree *btamp_controller_entry_tree=NULL; + proto_item *ti_controller_entry=NULL; + + ti_controller_entry=proto_tree_add_none_format(tree, + hf_btamp_controllers, tvb, + offset, 3, + "Entry: %u", idx); + btamp_controller_entry_tree=proto_item_add_subtree(ti_controller_entry, ett_btamp_controller_entry); + + proto_tree_add_item(btamp_controller_entry_tree, hf_btamp_controller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(btamp_controller_entry_tree, hf_btamp_controller_type, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(btamp_controller_entry_tree, hf_btamp_controller_status, tvb, offset, 1, TRUE); + offset+=1; + + return offset; +} + +static int +dissect_discoverresponse(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + guint16 length; + guint16 idx = 1; + proto_tree *btamp_controller_list_tree=NULL; + proto_item *ti_controller_list=NULL; + + proto_tree_add_item(tree, hf_btamp_mtu, tvb, offset, 2, TRUE); + offset+=2; + + proto_tree_add_item(tree, hf_btamp_extfeatures, tvb, offset, 2, TRUE); + offset+=2; + + length = tvb_length_remaining(tvb, offset); + ti_controller_list=proto_tree_add_none_format(tree, + hf_btamp_controller_list, tvb, + offset, length, + "Controller list"); + btamp_controller_list_tree=proto_item_add_subtree(ti_controller_list, ett_btamp_controller_list); + + while ((length = tvb_length_remaining(tvb, offset)) >= 3) { + offset = dissect_controller_entry(tvb, offset, pinfo, btamp_controller_list_tree, idx); + ++idx; + } + + return offset; +} + +static int +dissect_changenotify(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + guint16 length; + guint16 idx = 1; + proto_tree *btamp_controller_list_tree=NULL; + proto_item *ti_controller_list=NULL; + + length = tvb_length_remaining(tvb, offset); + ti_controller_list=proto_tree_add_none_format(tree, + hf_btamp_controller_list, tvb, + offset, length, + "Controller list"); + btamp_controller_list_tree=proto_item_add_subtree(ti_controller_list, ett_btamp_controller_list); + + while ((length = tvb_length_remaining(tvb, offset)) >= 3) { + offset = dissect_controller_entry(tvb, offset, pinfo, btamp_controller_list_tree, idx); + ++idx; + } + + return offset; +} + +static int +dissect_changeresponse(tvbuff_t *tvb _U_, int offset, packet_info *pinfo _U_, proto_tree *tree _U_) +{ + return offset; +} + +static int +dissect_getinforequest(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_controller_id, tvb, offset, 1, TRUE); + offset+=1; + + return offset; +} + +static int +dissect_getinforesponse(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree *btamp_controller_tree=NULL; + proto_item *ti_controller=NULL; + + proto_tree_add_item(tree, hf_btamp_controller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_status, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_total_bw, tvb, offset, 4, TRUE); + offset+=4; + + proto_tree_add_item(tree, hf_btamp_max_guaran_bw, tvb, offset, 4, TRUE); + offset+=4; + + proto_tree_add_item(tree, hf_btamp_min_latency, tvb, offset, 4, TRUE); + offset+=4; + + ti_controller=proto_tree_add_none_format(tree, + hf_btamp_pal_caps_mask, tvb, + offset, 2, + "PAL Capabilities"); + btamp_controller_tree=proto_item_add_subtree(ti_controller, ett_btamp_caps); + proto_tree_add_item(btamp_controller_tree, hf_btamp_pal_caps_guaranteed, tvb, offset, 2, TRUE); + offset+=2; + + proto_tree_add_item(tree, hf_btamp_amp_assoc_size, tvb, offset, 2, TRUE); + offset+=2; + + return offset; +} + +static int +dissect_getampassocrequest(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_controller_id, tvb, offset, 1, TRUE); + offset+=1; + + return offset; +} + +static int +dissect_ampassoc(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_amp_assoc, tvb, offset, tvb_length_remaining(tvb, offset), TRUE); + offset+=tvb_length_remaining(tvb, offset); + + return offset; +} + +static int +dissect_getampassocresponse(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_controller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_status, tvb, offset, 1, TRUE); + offset+=1; + + offset=dissect_ampassoc(tvb, offset, pinfo, tree); + + return offset; +} + +static int +dissect_createphysicalrequest(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_lcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_rcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + offset=dissect_ampassoc(tvb, offset, pinfo, tree); + + return offset; +} + +static int +dissect_createphysicalresponse(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_lcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_rcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_status, tvb, offset, 1, TRUE); + offset+=1; + + return offset; +} + +static int +dissect_discphysicalchanrequest(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_lcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_rcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + return offset; +} + +static int +dissect_discphysicalchanresponse(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_btamp_lcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_rcontroller_id, tvb, offset, 1, TRUE); + offset+=1; + + proto_tree_add_item(tree, hf_btamp_controller_status, tvb, offset, 1, TRUE); + offset+=1; + + return offset; +} + +static void dissect_btamp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + int offset=0; + proto_item *ti=NULL; + proto_tree *btamp_tree=NULL; + guint16 length; + proto_tree *btamp_cmd_tree=NULL; + proto_item *ti_command=NULL; + guint8 cmd_code; + guint16 cmd_length; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "AMP"); + col_clear(pinfo->cinfo, COL_INFO); + col_set_str(pinfo->cinfo, COL_INFO, pinfo->p2p_dir == P2P_DIR_SENT ? "Sent " : "Rcvd "); + + if(tree){ + ti=proto_tree_add_item(tree, proto_btamp, tvb, offset, -1, FALSE); + btamp_tree=proto_item_add_subtree(ti, ett_btamp); + } + + length = tvb_length_remaining(tvb, offset); + ti_command=proto_tree_add_none_format(btamp_tree, + hf_btamp_command, tvb, + offset, length, + "Command: "); + btamp_cmd_tree=proto_item_add_subtree(ti_command, ett_btamp_cmd); + + cmd_code=tvb_get_guint8(tvb, offset); + proto_tree_add_item(btamp_cmd_tree, hf_btamp_cmd_code, tvb, offset, 1, TRUE); + offset++; + + proto_tree_add_item(btamp_cmd_tree, hf_btamp_cmd_ident, tvb, offset, 1, TRUE); + offset++; + + cmd_length=tvb_get_letohs(tvb, offset); + proto_tree_add_item(btamp_cmd_tree, hf_btamp_cmd_length, tvb, offset, 2, TRUE); + proto_item_set_len(ti_command, cmd_length+4); + offset+=2; + + switch(cmd_code) { + case 0x01: /* Command Reject */ + offset=dissect_comrej(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x02: /* Discover Request */ + offset=dissect_discoverrequest(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x03: /* Discover Response */ + offset=dissect_discoverresponse(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x04: /* AMP Change Notify */ + offset=dissect_changenotify(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x05: /* AMP Change Response */ + offset=dissect_changeresponse(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x06: /* AMP Get Info Request */ + offset=dissect_getinforequest(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x07: /* AMP Get Info Response */ + offset=dissect_getinforesponse(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x08: /* Get AMP Assoc Request */ + offset=dissect_getampassocrequest(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x09: /* Get AMP Assoc Response */ + offset=dissect_getampassocresponse(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x0A: /* Create Physical Link Request */ + offset=dissect_createphysicalrequest(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x0B: /* Create Physical Link Response */ + offset=dissect_createphysicalresponse(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x0c: /* Disconnect Physical Link Request */ + offset=dissect_discphysicalchanrequest(tvb, offset, pinfo, btamp_cmd_tree); + break; + + case 0x0d: /* Disconnect Physical Link Response */ + offset=dissect_discphysicalchanresponse(tvb, offset, pinfo, btamp_cmd_tree); + break; + + default: + proto_tree_add_item(btamp_cmd_tree, hf_btamp_cmd_data, tvb, offset, -1, TRUE); + offset+=tvb_length_remaining(tvb, offset); + break; + } + + proto_item_append_text(ti_command, "%s", val_to_str(cmd_code, command_code_vals, "Unknown PDU (%u)")); + col_append_str(pinfo->cinfo, COL_INFO, val_to_str(cmd_code, command_code_vals, "Unknown PDU (%u)")); +} + +/* Register the protocol with Wireshark */ +void +proto_register_btamp(void) +{ + /* Setup list of header fields See Section 1.6.1 for details*/ + static hf_register_info hf[] = { + { &hf_btamp_command, + { "Command", "btamp.command", + FT_NONE, BASE_NONE, NULL, 0x0, + "L2CAP Command", HFILL } + }, + { &hf_btamp_cmd_code, + { "Command Code", "btamp.cmd_code", + FT_UINT8, BASE_HEX, VALS(command_code_vals), 0x0, + "L2CAP Command Code", HFILL } + }, + { &hf_btamp_cmd_ident, + { "Command Identifier", "btamp.cmd_ident", + FT_UINT8, BASE_HEX, NULL, 0x0, + "L2CAP Command Identifier", HFILL } + }, + { &hf_btamp_cmd_length, + { "Command Length", "btamp.cmd_length", + FT_UINT8, BASE_DEC, NULL, 0x0, + "L2CAP Command Length", HFILL } + }, + { &hf_btamp_cmd_data, + { "Command Data", "btamp.cmd_data", + FT_NONE, BASE_NONE, NULL, 0x0, + "L2CAP Command Data", HFILL } + }, + { &hf_btamp_rej_reason, + { "Reason", "btl2cap.rej_reason", + FT_UINT16, BASE_HEX, VALS(reason_vals), 0x0, + NULL, HFILL } + }, + { &hf_btamp_mtu, + { "MPS/MTU", "btamp.mps", + FT_UINT16, BASE_HEX, NULL, 0x0, + "MPS/MTU Size", HFILL } + }, + { &hf_btamp_extfeatures, + { "Extended Features", "btamp.extfeatures", + FT_UINT16, BASE_HEX, NULL, 0x0, + "Extended Features Mask", HFILL } + }, + { &hf_btamp_controllers, + { "Controller entry", "btamp.ctrl_entry", + FT_NONE, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_controller_list, + { "Controller list", "btamp.ctrl_list", + FT_NONE, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_lcontroller_id, + { "Local Controller ID", "btamp.lctrl_id", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_rcontroller_id, + { "Remote Controller ID", "btamp.rctrl_id", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_controller_id, + { "Controller ID", "btamp.ctrl_id", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_controller_type, + { "Controller Type", "btamp.ctrl_type", + FT_UINT8, BASE_DEC, VALS(controller_type_vals), 0x0, + NULL, HFILL } + }, + { &hf_btamp_controller_status, + { "Controller Status", "btamp.ctrl_status", + FT_UINT8, BASE_DEC, VALS(controller_status_vals), 0x0, + NULL, HFILL } + }, + { &hf_btamp_status, + { "Status", "btamp.status", + FT_UINT8, BASE_DEC, VALS(status_vals), 0x0, + NULL, HFILL } + }, + { &hf_btamp_create_status, + { "Status", "btamp.create_status", + FT_UINT8, BASE_DEC, VALS(create_status_vals), 0x0, + NULL, HFILL } + }, + { &hf_btamp_disc_status, + { "Status", "btamp.disc_status", + FT_UINT8, BASE_DEC, VALS(disc_status_vals), 0x0, + NULL, HFILL } + }, + { &hf_btamp_pal_caps_mask, + { "PAL Capabilities Mask", "btamp.pal_caps_mask", + FT_NONE, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_pal_caps_guaranteed, + { "Guaranteed Service type", "btamp.guaranteed_type", + FT_BOOLEAN, 16, NULL, 0x01, + NULL, HFILL } + }, + { &hf_btamp_total_bw, + { "Total Bandwidth", "btamp.total_bw", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_max_guaran_bw, + { "Max Guaranteed Bandwidth", "btamp.max_guaran_bw", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_min_latency, + { "Minimum latency", "btamp.min_latency", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_amp_assoc_size, + { "Assoc Size", "btamp.assoc_size", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_btamp_amp_assoc, + { "Assoc", "btamp.assoc", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_btamp, + &ett_btamp_cmd, + &ett_btamp_caps, + &ett_btamp_controller_entry, + &ett_btamp_controller_list, + }; + + /* Register the protocol name and description */ + proto_btamp = proto_register_protocol("Bluetooth AMP Packet", "AMP", "btamp"); + + register_dissector("btamp", dissect_btamp, proto_btamp); + + /* Required function calls to register the header fields and subtrees used */ + proto_register_field_array(proto_btamp, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_btamp(void) +{ + dissector_handle_t btamp_handle; + + btamp_handle = find_dissector("btamp"); + dissector_add("btl2cap.cid", BTL2CAP_FIXED_CID_AMP_MAN, btamp_handle); +} + |