nexmon – Rev 1
?pathlinks?
/* packet-usbdfu.c
* Routines for USB DFU dissection
*
* Copyright 2014, Michal Labedzki for Tieto Corporation
*
* 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 <epan/prefs.h>
#include <epan/expert.h>
#include "packet-usb.h"
static int proto_usb_dfu = -1;
static gint hf_setup_command = -1;
static gint hf_setup_unused = -1;
static gint hf_setup_interface = -1;
static gint hf_setup_length = -1;
static gint hf_setup_timeout = -1;
static gint hf_setup_block_number = -1;
static gint hf_response = -1;
static gint hf_command_in_frame = -1;
static gint hf_state = -1;
static gint hf_status = -1;
static gint hf_poll_timeout = -1;
static gint hf_iString = -1;
static gint hf_data = -1;
static gint hf_usb_dfu_descriptor = -1;
static gint hf_usb_dfu_descriptor_bmAttributes_reserved = -1;
static gint hf_usb_dfu_descriptor_bmAttributes_WillDetach = -1;
static gint hf_usb_dfu_descriptor_bmAttributes_ManifestationTolerant = -1;
static gint hf_usb_dfu_descriptor_bmAttributes_CanUpload = -1;
static gint hf_usb_dfu_descriptor_bmAttributes_CanDownload = -1;
static gint hf_usb_dfu_descriptor_wDetachTimeOut = -1;
static gint hf_usb_dfu_descriptor_wTransferSize = -1;
static gint hf_usb_dfu_descriptor_bcdDFUVersion = -1;
static gint ett_usb_dfu = -1;
static gint ett_usb_dfu_descriptor = -1;
static gint ett_command = -1;
static expert_field ei_unexpected_response = EI_INIT;
static expert_field ei_unknown_data = EI_INIT;
static expert_field ei_unexpected_data = EI_INIT;
static expert_field ei_descriptor_invalid_length = EI_INIT;
static expert_field ei_invalid_command_for_request_type = EI_INIT;
static dissector_handle_t usb_dfu_handle;
static wmem_tree_t *command_info = NULL;
typedef struct _command_data {
guint32 bus_id;
guint32 device_address;
guint16 interface;
guint8 command;
guint32 command_frame_number;
gint32 block_number;
} command_data_t;
static const value_string command_vals[] = {
{ 0x00, "Detach" },
{ 0x01, "Download" },
{ 0x02, "Upload" },
{ 0x03, "Get Status" },
{ 0x04, "Clear Status" },
{ 0x05, "Get State" },
{ 0x06, "Abort" },
{ 0x00, NULL }
};
static value_string_ext(command_vals_ext) = VALUE_STRING_EXT_INIT(command_vals);
static const value_string state_vals[] = {
{ 0, "appIdle" },
{ 1, "appDetach" },
{ 2, "dfuIdle" },
{ 3, "dfuDownloadSync" },
{ 4, "dfuDownloadBusy" },
{ 5, "dfuDownloadIdle" },
{ 6, "dfuManifestSync" },
{ 7, "dfuManifest" },
{ 8, "dfuManifestWaitReset" },
{ 9, "dfuUploadIdle" },
{ 10, "dfuError" },
{ 0x00, NULL }
};
static value_string_ext(state_vals_ext) = VALUE_STRING_EXT_INIT(state_vals);
static const value_string status_vals[] = {
{ 0x00, "OK" },
{ 0x01, "errTarget" },
{ 0x02, "errFile" },
{ 0x03, "errWrite" },
{ 0x04, "errErase" },
{ 0x05, "errCheckErased" },
{ 0x06, "errProg" },
{ 0x07, "errVerify" },
{ 0x08, "errAddress" },
{ 0x09, "errNotDone" },
{ 0x0A, "errFirmware" },
{ 0x0B, "errVendor" },
{ 0x0C, "errUsbReset" },
{ 0x0D, "errPowerOnReset" },
{ 0x0E, "errUnknown" },
{ 0x0F, "errStalledPkt" },
{ 0x00, NULL }
};
static value_string_ext(status_vals_ext) = VALUE_STRING_EXT_INIT(status_vals);
static const value_string descriptor_type_vals[] = {
{ 0x21, "DFU FUNCTIONAL" },
{ 0x00, NULL }
};
static value_string_ext(descriptor_type_vals_ext) = VALUE_STRING_EXT_INIT(descriptor_type_vals);
void proto_register_usb_dfu(void);
void proto_reg_handoff_usb_dfu(void);
static gint
dissect_usb_dfu_descriptor(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_item *main_item;
proto_tree *main_tree;
proto_item *length_item;
gint offset = 0;
guint8 descriptor_length;
guint8 descriptor_type;
usb_conv_info_t *usb_conv_info = (usb_conv_info_t *) data;
if (!usb_conv_info) return offset;
if (!(usb_conv_info->interfaceClass == IF_CLASS_APPLICATION_SPECIFIC &&
usb_conv_info->interfaceSubclass == 0x01)) return offset;
descriptor_length = tvb_get_guint8(tvb, offset);
descriptor_type = tvb_get_guint8(tvb, offset + 1);
switch (descriptor_type) {
case 0x21:
main_item = proto_tree_add_item(tree, hf_usb_dfu_descriptor, tvb, offset, -1, ENC_NA);
main_tree = proto_item_add_subtree(main_item, ett_usb_dfu_descriptor);
proto_item_append_text(main_item, ": %s", val_to_str_ext_const(descriptor_type, &descriptor_type_vals_ext, "Unknown"));
length_item = dissect_usb_descriptor_header(main_tree, tvb, offset, &descriptor_type_vals_ext);
if (descriptor_length != 7 && descriptor_length != 9)
expert_add_info(pinfo, length_item, &ei_descriptor_invalid_length);
offset += 2;
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_bmAttributes_reserved, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_bmAttributes_WillDetach, tvb, offset, 1, ENC_NA);
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_bmAttributes_ManifestationTolerant, tvb, offset, 1, ENC_NA);
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_bmAttributes_CanUpload, tvb, offset, 1, ENC_NA);
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_bmAttributes_CanDownload, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_wDetachTimeOut, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_wTransferSize, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
if (descriptor_length > 7) {
proto_tree_add_item(main_tree, hf_usb_dfu_descriptor_bcdDFUVersion, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
}
break;
}
return offset;
}
static gint
dissect_usb_dfu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_item *main_item;
proto_tree *main_tree;
proto_item *command_item;
proto_item *sub_item;
proto_tree *command_tree;
gint offset = 0;
gint p2p_dir_save;
guint8 command;
gint16 command_response = -1;
command_data_t *command_data = NULL;
wmem_tree_t *wmem_tree;
wmem_tree_key_t key[5];
guint32 bus_id;
guint32 device_address;
guint32 k_bus_id;
guint32 k_device_address;
guint32 k_frame_number;
gint32 block_number = -1;
usb_conv_info_t *usb_conv_info = (usb_conv_info_t *)data;
if (!usb_conv_info) return offset;
bus_id = usb_conv_info->bus_id;
device_address = usb_conv_info->device_address;
k_bus_id = bus_id;
k_device_address = device_address;
k_frame_number = pinfo->num;
key[0].length = 1;
key[0].key = &k_bus_id;
key[1].length = 1;
key[1].key = &k_device_address;
main_item = proto_tree_add_item(tree, proto_usb_dfu, tvb, offset, -1, ENC_NA);
main_tree = proto_item_add_subtree(main_item, ett_usb_dfu);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "USB DFU");
p2p_dir_save = pinfo->p2p_dir;
pinfo->p2p_dir = (usb_conv_info->is_request) ? P2P_DIR_SENT : P2P_DIR_RECV;
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 ");
break;
}
if (usb_conv_info->is_setup) {
guint16 interface;
command_item = proto_tree_add_item(main_tree, hf_setup_command, tvb, offset, 1, ENC_LITTLE_ENDIAN);
command = tvb_get_guint8(tvb, offset);
if (!((usb_conv_info->setup_requesttype == 0x21 && (command == 0x00 || command == 0x01 || command == 0x04 || command == 0x06)) ||
(usb_conv_info->setup_requesttype == 0xa1 && (command == 0x02 || command == 0x03 || command == 0x05))))
expert_add_info(pinfo, command_item, &ei_invalid_command_for_request_type);
offset += 1;
col_append_fstr(pinfo->cinfo, COL_INFO, "Command: %s",
val_to_str_ext_const(command, &command_vals_ext, "Unknown"));
if (command == 0x00) { /* Detach */
proto_tree_add_item(main_tree, hf_setup_timeout, tvb, offset, 2, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, " Timeout=%u", tvb_get_letohs(tvb, offset));
} else if (command == 0x01 || command == 0x02) { /* Download || Upload */
proto_tree_add_item(main_tree, hf_setup_block_number, tvb, offset, 2, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, " Block Number=%u", tvb_get_letohs(tvb, offset));
block_number = tvb_get_letohs(tvb, offset);
} else {
proto_tree_add_item(main_tree, hf_setup_unused, tvb, offset, 2, ENC_LITTLE_ENDIAN);
}
offset += 2;
proto_tree_add_item(main_tree, hf_setup_interface, tvb, offset, 2, ENC_LITTLE_ENDIAN);
interface = tvb_get_letohs(tvb, offset);
offset += 2;
proto_tree_add_item(main_tree, hf_setup_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
if (command == 0x01) { /* Download */
proto_tree_add_item(main_tree, hf_data, tvb, offset, -1, ENC_NA);
offset = tvb_captured_length(tvb);
}
if (tvb_reported_length_remaining(tvb, offset) > 0) {
proto_tree_add_expert(main_tree, pinfo, &ei_unexpected_data, tvb, offset, tvb_captured_length_remaining(tvb, offset));
offset = tvb_captured_length(tvb);
}
/* Save request info (command_data) */
if (!pinfo->fd->flags.visited && command != 21) {
key[2].length = 1;
key[2].key = &k_frame_number;
key[3].length = 0;
key[3].key = NULL;
command_data = wmem_new(wmem_file_scope(), command_data_t);
command_data->bus_id = bus_id;
command_data->device_address = device_address;
command_data->command = command;
command_data->interface = interface;
command_data->command_frame_number = pinfo->num;
command_data->block_number = block_number;
wmem_tree_insert32_array(command_info, key, command_data);
}
pinfo->p2p_dir = p2p_dir_save;
return offset;
}
/* Get request info (command_data) */
key[2].length = 0;
key[2].key = NULL;
wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(command_info, key);
if (wmem_tree) {
command_data = (command_data_t *) wmem_tree_lookup32_le(wmem_tree, pinfo->num);
if (command_data) {
command_response = command_data->command;
block_number = command_data->block_number;
}
}
if (!command_data) {
col_append_str(pinfo->cinfo, COL_INFO, "Response: Unknown");
proto_tree_add_expert(main_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_captured_length_remaining(tvb, offset));
pinfo->p2p_dir = p2p_dir_save;
return tvb_captured_length(tvb);
}
col_append_fstr(pinfo->cinfo, COL_INFO, "Response: %s",
val_to_str_ext_const(command_response, &command_vals_ext, "Unknown"));
command_item = proto_tree_add_uint(main_tree, hf_response, tvb, offset, 0, command_response);
command_tree = proto_item_add_subtree(command_item, ett_command);
PROTO_ITEM_SET_GENERATED(command_item);
if (command_data) {
command_item = proto_tree_add_uint(main_tree, hf_setup_interface, tvb, offset, 0, command_data->interface);
PROTO_ITEM_SET_GENERATED(command_item);
command_item = proto_tree_add_uint(main_tree, hf_command_in_frame, tvb, offset, 0, command_data->command_frame_number);
PROTO_ITEM_SET_GENERATED(command_item);
}
switch (command_response) {
case 0x02: /* Upload */
if (block_number != -1) {
sub_item = proto_tree_add_uint(main_tree, hf_setup_block_number, tvb, offset, 0, block_number);
PROTO_ITEM_SET_GENERATED(sub_item);
col_append_fstr(pinfo->cinfo, COL_INFO, " Block Number=%u", block_number);
}
proto_tree_add_item(main_tree, hf_data, tvb, offset, -1, ENC_NA);
offset = tvb_captured_length(tvb);
break;
case 0x03: /* Get Status */
col_append_fstr(pinfo->cinfo, COL_INFO, " = Status: %s, PollTimeout: %u ms, State: %s",
val_to_str_ext_const(tvb_get_guint8(tvb, offset), &status_vals_ext, "Unknown"),
tvb_get_letoh24(tvb, offset + 1),
val_to_str_ext_const(tvb_get_guint8(tvb, offset + 4), &state_vals_ext, "Unknown"));
proto_tree_add_item(main_tree, hf_status, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(main_tree, hf_poll_timeout, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(main_tree, hf_state, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(main_tree, hf_iString, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
break;
case 0x05: /* Get State */
proto_tree_add_item(main_tree, hf_state, tvb, offset, 1, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, " = %s",
val_to_str_ext_const(tvb_get_guint8(tvb, offset), &state_vals_ext, "Unknown"));
offset += 1;
break;
case 0x00: /* Detach */
case 0x01: /* Download */
case 0x04: /* Clear Status */
case 0x06: /* Abort */
default:
proto_tree_add_expert(command_tree, pinfo, &ei_unexpected_response, tvb, offset, 0);
if (tvb_reported_length_remaining(tvb, offset) > 0) {
proto_tree_add_expert(main_tree, pinfo, &ei_unknown_data, tvb, offset, -1);
offset = tvb_captured_length(tvb);
}
}
pinfo->p2p_dir = p2p_dir_save;
return offset;
}
void
proto_register_usb_dfu(void)
{
module_t *module;
expert_module_t *expert_module;
static hf_register_info hf[] = {
{ &hf_setup_command,
{ "Command", "usbdfu.command",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &command_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_response,
{ "Response", "usbdfu.response",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &command_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_command_in_frame,
{ "Command Frame", "usbdfu.command_frame",
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_setup_unused,
{ "Unused", "usbdfu.unused",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_setup_interface,
{ "Interface", "usbdfu.interface",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_setup_length,
{ "Length", "usbdfu.length",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_setup_block_number,
{ "Block Number", "usbdfu.block_number",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_setup_timeout,
{ "Timeout", "usbdfu.timeout",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_state,
{ "State", "usbdfu.state",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &state_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_status,
{ "Status", "usbdfu.status",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &status_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_iString,
{ "iString", "usbdfu.iString",
FT_INT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_poll_timeout,
{ "Poll Timeout", "usbdfu.poll_timeout",
FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_data,
{ "Data", "usbdfu.data",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor,
{ "DFU Descriptor", "usbdfu.descriptor",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_bmAttributes_reserved,
{ "Reserved", "usbdfu.descriptor.bmAttributes.reserved",
FT_UINT8, BASE_HEX, NULL, 0xF0,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_bmAttributes_WillDetach,
{ "Will Detach", "usbdfu.descriptor.bmAttributes.WillDetach",
FT_BOOLEAN, 8, NULL, 0x08,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_bmAttributes_ManifestationTolerant,
{ "Manifestation Tolerant", "usbdfu.descriptor.bmAttributes.ManifestationTolerant",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_bmAttributes_CanUpload,
{ "Can Upload", "usbdfu.descriptor.bmAttributes.CanUpload",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_bmAttributes_CanDownload,
{ "Can Download", "usbdfu.descriptor.bmAttributes.CanDownload",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_wDetachTimeOut,
{ "wDetachTimeOut", "usbdfu.descriptor.wDetachTimeOut",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_wTransferSize,
{ "wTransferSize", "usbdfu.descriptor.wTransferSize",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_usb_dfu_descriptor_bcdDFUVersion,
{ "bcdDFUVersion", "usbdfu.descriptor.bcdDFUVersion",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
}
};
static ei_register_info ei[] = {
{ &ei_unexpected_response, { "usb_dfu.unexpected_response", PI_PROTOCOL, PI_ERROR, "Unexpected response for this command", EXPFILL }},
{ &ei_unknown_data, { "usb_dfu.unknown_data", PI_PROTOCOL, PI_NOTE, "Unknown data", EXPFILL }},
{ &ei_unexpected_data, { "usb_dfu.unexpected_data", PI_PROTOCOL, PI_WARN, "Unexpected data", EXPFILL }},
{ &ei_invalid_command_for_request_type, { "usb_dfu.invalid_command_for_request_type", PI_PROTOCOL, PI_WARN, "Invalid command for this Request Type", EXPFILL }},
{ &ei_descriptor_invalid_length, { "usb_dfu.descriptor.invalid_length", PI_PROTOCOL, PI_WARN, "Invalid Length", EXPFILL }},
};
static gint *ett[] = {
&ett_usb_dfu,
&ett_usb_dfu_descriptor,
&ett_command
};
command_info = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
proto_usb_dfu = proto_register_protocol("USB Device Firmware Upgrade ", "USB DFU", "usbdfu");
proto_register_field_array(proto_usb_dfu, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
usb_dfu_handle = register_dissector("usb_dfu", dissect_usb_dfu, proto_usb_dfu);
expert_module = expert_register_protocol(proto_usb_dfu);
expert_register_field_array(expert_module, ei, array_length(ei));
module = prefs_register_protocol(proto_usb_dfu, NULL);
prefs_register_static_text_preference(module, "version",
"USB DFU Specification 1.1",
"Version of protocol supported by this dissector.");
}
void
proto_reg_handoff_usb_dfu(void)
{
dissector_handle_t usf_dfu_descriptor_handle;
usf_dfu_descriptor_handle = create_dissector_handle(dissect_usb_dfu_descriptor, proto_usb_dfu);
dissector_add_uint("usb.descriptor", IF_CLASS_APPLICATION_SPECIFIC, usf_dfu_descriptor_handle);
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x1db5, usb_dfu_handle); /* IDBG in DFU mode */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6001, usb_dfu_handle); /* Ubertooth Zero DFU */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6003, usb_dfu_handle); /* Ubertooth One DFU */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x600f, usb_dfu_handle); /* Paparazzi Lisa/M (DFU) */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6011, usb_dfu_handle); /* LeoLipo (DFU) */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6017, usb_dfu_handle); /* Black Magic Debug Probe (DFU) */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6044, usb_dfu_handle); /* Open Source USB CANBUS converter (DFU Mode) */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6064, usb_dfu_handle); /* CPC FPGA (DFU) */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6069, usb_dfu_handle); /* xser (DFU mode) */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6082, usb_dfu_handle); /* Facecandy *USB DFU loader */
dissector_add_uint("usb.product", (0x1d50 << 16) | 0x6084, usb_dfu_handle); /* arcin arcade controller (USB DFU loader) */
dissector_add_for_decode_as("usb.device", usb_dfu_handle);
dissector_add_for_decode_as("usb.protocol", usb_dfu_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:
*/