osmith
/
wireshark
forked from osmocom/wireshark
1
0
Fork 0
Code Pull Requests Releases Wiki Activity
wireshark/epan/dissectors/packet-usbms-uasp.c

633 lines
22 KiB
C
Raw Permalink Blame History

/* packet-usbms-uasp.c
* Routines for USB Attached SCSI dissection
* Copyright 2021, Aidan MacDonald <amachronic@protonmail.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <config.h>
#include <epan/packet.h>
#include "packet-usb.h"
#include "packet-scsi.h"
void proto_register_uasp(void);
void proto_reg_handoff_uasp(void);
#define IF_PROTOCOL_UAS 0x62
static int proto_uasp = -1;
static int hf_pipe_usage_descr_pipe_id = -1;
static int hf_uas_iu_id = -1;
static int hf_uas_tag = -1;
static int hf_uas_cmd_command_priority = -1;
static int hf_uas_cmd_task_attribute = -1;
static int hf_uas_cmd_additional_cdb_length = -1;
static int hf_uas_sense_status_qualifier = -1;
static int hf_uas_sense_status = -1;
static int hf_uas_sense_length = -1;
static int hf_uas_response_additional_info = -1;
static int hf_uas_response_code = -1;
static int hf_uas_taskmgmt_function = -1;
static int hf_uas_taskmgmt_tag_of_managed_task = -1;
static int hf_uas_tag_started_frame = -1;
static int hf_uas_tag_completed_frame = -1;
static int hf_uas_tag_read_ready_frame = -1;
static int hf_uas_tag_write_ready_frame = -1;
static int hf_uas_tag_data_recv_frame = -1;
static int hf_uas_tag_data_sent_frame = -1;
static int ett_uasp = -1;
static int ett_uasp_desc = -1;
#define DT_PIPE_USAGE 0x24
static const value_string uasp_descriptor_type_vals[] = {
{DT_PIPE_USAGE, "Pipe Usage"},
{0, NULL}
};
static value_string_ext uasp_descriptor_type_vals_ext =
VALUE_STRING_EXT_INIT(uasp_descriptor_type_vals);
#define COMMAND_PIPE_ID 0x01
#define STATUS_PIPE_ID 0x02
#define DATA_IN_PIPE_ID 0x03
#define DATA_OUT_PIPE_ID 0x04
static const value_string uasp_pipe_id_vals[] = {
{COMMAND_PIPE_ID, "Command"},
{STATUS_PIPE_ID, "Status"},
{DATA_IN_PIPE_ID, "Data-In"},
{DATA_OUT_PIPE_ID, "Data-Out"},
{0, NULL}
};
#define COMMAND_IU_ID 0x01
#define SENSE_IU_ID 0x03
#define RESPONSE_IU_ID 0x04
#define TASK_MGMT_IU_ID 0x05
#define READ_READY_IU_ID 0x06
#define WRITE_READY_IU_ID 0x07
static const value_string uasp_iu_id_vals[] = {
{COMMAND_IU_ID, "Command IU"},
{SENSE_IU_ID, "Sense IU"},
{RESPONSE_IU_ID, "Response IU"},
{TASK_MGMT_IU_ID, "Task Management IU"},
{READ_READY_IU_ID, "Read Ready IU"},
{WRITE_READY_IU_ID, "Write Ready IU"},
{0, NULL},
};
typedef struct _uasp_itlq_nexus_t {
guint16 tag; /* tag for this ITLQ nexus */
guint32 started_frame; /* when tag was first seen */
guint32 completed_frame; /* when tag was completed */
guint32 read_ready_frame; /* when read ready was issued for tag */
guint32 write_ready_frame; /* when write ready was issued for tag */
guint32 data_recv_frame; /* when read data was received for tag */
guint32 data_sent_frame; /* when write data was sent for tag */
itl_nexus_t* itl;
itlq_nexus_t itlq;
} uasp_itlq_nexus_t;
typedef struct _uasp_conv_info_t {
/* for keeping track of what endpoint is used for what */
guint8 command_endpoint;
guint8 status_endpoint;
guint8 data_in_endpoint;
guint8 data_out_endpoint;
/* tag of each read/write ready IU; indexed by pinfo->num */
wmem_tree_t* read_ready;
wmem_tree_t* write_ready;
/* ITL nexus; indexed by LUN */
wmem_tree_t* itl;
/* UASP ITLQ nexus per command; multi part key
* [0] = UAS tag
* [1] = pinfo->num */
wmem_tree_t* itlq;
} uasp_conv_info_t;
static uasp_conv_info_t*
get_uasp_conv_info(usb_conv_info_t *usb_conv_info)
{
uasp_conv_info_t *uasp_conv_info = (uasp_conv_info_t *)usb_conv_info->class_data;
if (!uasp_conv_info) {
uasp_conv_info = wmem_new(wmem_file_scope(), uasp_conv_info_t);
uasp_conv_info->command_endpoint = 0;
uasp_conv_info->status_endpoint = 0;
uasp_conv_info->data_in_endpoint = 0;
uasp_conv_info->data_out_endpoint = 0;
uasp_conv_info->read_ready = wmem_tree_new(wmem_file_scope());
uasp_conv_info->write_ready = wmem_tree_new(wmem_file_scope());
uasp_conv_info->itl = wmem_tree_new(wmem_file_scope());
uasp_conv_info->itlq = wmem_tree_new(wmem_file_scope());
usb_conv_info->class_data = uasp_conv_info;
usb_conv_info->class_data_type = USB_CONV_MASS_STORAGE_UASP;
} else if (usb_conv_info->class_data_type != USB_CONV_MASS_STORAGE_UASP) {
return NULL;
}
return uasp_conv_info;
}
static guint16
get_scsi_lun(tvbuff_t* tvb, int offset)
{
guint16 lun;
/* Copied from packet-iscsi.c - not really correct but good enough... */
if (tvb_get_guint8(tvb, offset) & 0x40) {
/* volume set addressing */
lun = tvb_get_guint8(tvb, offset) & 0x3f;
lun <<= 8;
lun |= tvb_get_guint8(tvb,offset + 1);
} else {
lun = tvb_get_guint8(tvb, offset + 1);
}
return lun;
}
static uasp_itlq_nexus_t*
create_itlq_nexus(packet_info *pinfo, uasp_conv_info_t *uasp_conv_info, guint16 lun, guint16 tag)
{
wmem_tree_key_t key[3];
guint32 tag32 = tag;
itl_nexus_t *itl;
uasp_itlq_nexus_t *uitlq;
/* ensure ITL nexus exists */
itl = (itl_nexus_t *)wmem_tree_lookup32(uasp_conv_info->itl, lun);
if(!itl) {
itl = wmem_new(wmem_file_scope(), itl_nexus_t);
itl->cmdset = 0xff;
itl->conversation = NULL;
wmem_tree_insert32(uasp_conv_info->itl, lun, itl);
}
/* ensure ITLQ nexus exists */
key[0].length = 1;
key[0].key = &tag32;
key[1].length = 1;
key[1].key = &pinfo->num;
key[2].length = 0;
uitlq = (uasp_itlq_nexus_t *)wmem_tree_lookup32_array(uasp_conv_info->itlq, key);
if(!uitlq) {
uitlq = wmem_new(wmem_file_scope(), uasp_itlq_nexus_t);
uitlq->tag = tag;
uitlq->started_frame = pinfo->num;
uitlq->completed_frame = 0;
uitlq->read_ready_frame = 0;
uitlq->write_ready_frame = 0;
uitlq->data_sent_frame = 0;
uitlq->data_recv_frame = 0;
uitlq->itl = itl;
uitlq->itlq.lun = lun;
uitlq->itlq.scsi_opcode = 0xffff;
uitlq->itlq.task_flags = 0;
uitlq->itlq.data_length = 0;
uitlq->itlq.bidir_data_length = 0;
uitlq->itlq.fc_time = pinfo->abs_ts;
uitlq->itlq.first_exchange_frame = pinfo->num;
uitlq->itlq.last_exchange_frame = 0;
uitlq->itlq.flags = 0;
uitlq->itlq.alloc_len = 0;
uitlq->itlq.extra_data = NULL;
wmem_tree_insert32_array(uasp_conv_info->itlq, key, uitlq);
}
return uitlq;
}
static uasp_itlq_nexus_t*
get_itlq_nexus(packet_info* pinfo, uasp_conv_info_t *uasp_conv_info, guint16 tag)
{
guint32 tag32 = tag;
wmem_tree_key_t key[3];
uasp_itlq_nexus_t *uitlq;
key[0].length = 1;
key[0].key = &tag32;
key[1].length = 1;
key[1].key = &pinfo->num;
key[2].length = 0;
uitlq = (uasp_itlq_nexus_t *)wmem_tree_lookup32_array_le(uasp_conv_info->itlq, key);
if(!uitlq || uitlq->tag != tag)
return NULL;
return uitlq;
}
static void
create_ready_iu(wmem_tree_t* tree, packet_info* pinfo, guint16 tag)
{
wmem_tree_insert32(tree, pinfo->num, GUINT_TO_POINTER(tag));
}
static guint16
get_ready_iu(wmem_tree_t* tree, packet_info* pinfo)
{
return GPOINTER_TO_UINT(wmem_tree_lookup32_le(tree, pinfo->num));
}
#define DATA_WRITE (-1)
#define DATA_READ (-2)
static void
add_uasp_tag_links(tvbuff_t *tvb, proto_tree *uasp_tree, uasp_itlq_nexus_t *uitlq, int kind)
{
proto_item *ti;
if (!uitlq)
return;
if (uitlq->started_frame && kind != COMMAND_IU_ID && kind != TASK_MGMT_IU_ID) {
ti = proto_tree_add_uint(uasp_tree, hf_uas_tag_started_frame, tvb, 0, 0, uitlq->started_frame);
proto_item_set_generated(ti);
}
if (uitlq->read_ready_frame && kind != READ_READY_IU_ID) {
ti = proto_tree_add_uint(uasp_tree, hf_uas_tag_read_ready_frame, tvb, 0, 0, uitlq->read_ready_frame);
proto_item_set_generated(ti);
}
if (uitlq->write_ready_frame && kind != WRITE_READY_IU_ID) {
ti = proto_tree_add_uint(uasp_tree, hf_uas_tag_write_ready_frame, tvb, 0, 0, uitlq->write_ready_frame);
proto_item_set_generated(ti);
}
if (uitlq->data_recv_frame && kind != DATA_READ) {
ti = proto_tree_add_uint(uasp_tree, hf_uas_tag_data_recv_frame, tvb, 0, 0, uitlq->data_recv_frame);
proto_item_set_generated(ti);
}
if (uitlq->data_sent_frame && kind != DATA_WRITE) {
ti = proto_tree_add_uint(uasp_tree, hf_uas_tag_data_sent_frame, tvb, 0, 0, uitlq->data_sent_frame);
proto_item_set_generated(ti);
}
if (uitlq->completed_frame && kind != SENSE_IU_ID && kind != RESPONSE_IU_ID) {
ti = proto_tree_add_uint(uasp_tree, hf_uas_tag_completed_frame, tvb, 0, 0, uitlq->completed_frame);
proto_item_set_generated(ti);
}
}
static int
dissect_uasp_iu(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *parent_tree, proto_tree *uasp_tree,
usb_conv_info_t *usb_conv_info _U_, uasp_conv_info_t *uasp_conv_info)
{
guint8 iu_id;
guint8 status;
guint16 tag;
guint16 lun;
uasp_itlq_nexus_t *uitlq = NULL;
int rlen, len;
tvbuff_t *cdb_tvb;
/* an IU header is 4 bytes */
if (tvb_reported_length(tvb) < 4)
return 0;
iu_id = tvb_get_guint8(tvb, 0);
tag = tvb_get_ntohs(tvb, 2);
col_add_str(pinfo->cinfo, COL_INFO,
val_to_str(iu_id, uasp_iu_id_vals, "Unknown IU [0x%02x]"));
proto_tree_add_item(uasp_tree, hf_uas_iu_id, tvb, 0, 1, ENC_NA);
proto_tree_add_item(uasp_tree, hf_uas_tag, tvb, 2, 2, ENC_BIG_ENDIAN);
switch(iu_id) {
case COMMAND_IU_ID:
proto_tree_add_item(uasp_tree, hf_uas_cmd_command_priority, tvb, 4, 1, ENC_NA);
proto_tree_add_item(uasp_tree, hf_uas_cmd_task_attribute, tvb, 4, 1, ENC_NA);
proto_tree_add_item(uasp_tree, hf_uas_cmd_additional_cdb_length, tvb, 6, 1, ENC_NA);
dissect_scsi_lun(uasp_tree, tvb, 8);
lun = get_scsi_lun(tvb, 8);
uitlq = create_itlq_nexus(pinfo, uasp_conv_info, lun, tag);
rlen = 16 + tvb_get_guint8(tvb, 6);
len = rlen;
if (len > tvb_captured_length_remaining(tvb, 16))
len = tvb_captured_length_remaining(tvb, 16);
if (len) {
cdb_tvb = tvb_new_subset_length_caplen(tvb, 16, len, rlen);
dissect_scsi_cdb(cdb_tvb, pinfo, parent_tree, SCSI_DEV_UNKNOWN,
&uitlq->itlq, uitlq->itl);
}
break;
case SENSE_IU_ID:
proto_tree_add_item(uasp_tree, hf_uas_sense_status_qualifier, tvb, 4, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(uasp_tree, hf_uas_sense_status, tvb, 6, 1, ENC_NA);
proto_tree_add_item(uasp_tree, hf_uas_sense_length, tvb, 14, 2, ENC_BIG_ENDIAN);
uitlq = get_itlq_nexus(pinfo, uasp_conv_info, tag);
if (uitlq) {
uitlq->completed_frame = pinfo->num;
uitlq->itlq.last_exchange_frame = pinfo->num;
status = tvb_get_guint8(tvb, 6);
dissect_scsi_rsp(tvb, pinfo, parent_tree, &uitlq->itlq, uitlq->itl, status);
/* dissect sense info, if any */
rlen = tvb_get_ntohs(tvb, 14);
if (rlen) {
dissect_scsi_snsinfo(tvb, pinfo, parent_tree, 16, rlen, &uitlq->itlq, uitlq->itl);
}
}
break;
case RESPONSE_IU_ID:
proto_tree_add_item(uasp_tree, hf_uas_response_additional_info, tvb, 4, 3, ENC_BIG_ENDIAN);
proto_tree_add_item(uasp_tree, hf_uas_response_code, tvb, 7, 1, ENC_NA);
break;
case TASK_MGMT_IU_ID:
proto_tree_add_item(uasp_tree, hf_uas_taskmgmt_function, tvb, 4, 1, ENC_NA);
proto_tree_add_item(uasp_tree, hf_uas_taskmgmt_tag_of_managed_task, tvb, 6, 2, ENC_BIG_ENDIAN);
dissect_scsi_lun(uasp_tree, tvb, 8);
break;
case READ_READY_IU_ID:
uitlq = get_itlq_nexus(pinfo, uasp_conv_info, tag);
if (uitlq)
uitlq->read_ready_frame = pinfo->num;
create_ready_iu(uasp_conv_info->read_ready, pinfo, tag);
break;
case WRITE_READY_IU_ID:
uitlq = get_itlq_nexus(pinfo, uasp_conv_info, tag);
if (uitlq)
uitlq->write_ready_frame = pinfo->num;
create_ready_iu(uasp_conv_info->write_ready, pinfo, tag);
break;
}
add_uasp_tag_links(tvb, uasp_tree, uitlq, iu_id);
return tvb_captured_length(tvb);
}
static int
dissect_uasp_data(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *parent_tree, proto_tree *uasp_tree,
usb_conv_info_t *usb_conv_info, uasp_conv_info_t *uasp_conv_info)
{
proto_item *ti;
guint16 tag;
uasp_itlq_nexus_t *uitlq;
gboolean is_request;
is_request = (usb_conv_info->direction == P2P_DIR_SENT) ? TRUE : FALSE;
/* TODO - fetch tag from USB 3.0 Bulk Streams.
*
* It seems Wireshark doesn't track the stream ID so we can't yet
* dissect UASP over USB 3.0 traffic. (The Linux kernel doesn't even
* export an URB's stream ID, so OS support for this might be spotty
* or even non-existent...)
*/
if (is_request)
tag = get_ready_iu(uasp_conv_info->write_ready, pinfo);
else
tag = get_ready_iu(uasp_conv_info->read_ready, pinfo);
/* add tag to tree */
ti = proto_tree_add_uint(uasp_tree, hf_uas_tag, tvb, 0, 0, tag);
proto_item_set_generated(ti);
uitlq = get_itlq_nexus(pinfo, uasp_conv_info, tag);
if (uitlq) {
if (is_request)
uitlq->data_sent_frame = pinfo->num;
else
uitlq->data_recv_frame = pinfo->num;
add_uasp_tag_links(tvb, uasp_tree, uitlq, is_request ? DATA_WRITE : DATA_READ);
dissect_scsi_payload(tvb, pinfo, parent_tree, is_request, &uitlq->itlq, uitlq->itl, 0);
}
return tvb_captured_length(tvb);
}
static int
dissect_uasp_bulk(tvbuff_t *tvb,
packet_info *pinfo,
proto_tree *parent_tree,
void *data)
{
typedef int(*uasp_dissector_t)(tvbuff_t *, packet_info *, proto_tree *,
proto_tree *, usb_conv_info_t *, uasp_conv_info_t *);
proto_tree *uasp_tree;
proto_item *ti;
uasp_dissector_t dissector = NULL;
guint8 endpoint;
usb_conv_info_t *usb_conv_info = (usb_conv_info_t *)data;
uasp_conv_info_t *uasp_conv_info = get_uasp_conv_info(usb_conv_info);
if (!uasp_conv_info)
return 0;
endpoint = usb_conv_info->endpoint;
if (endpoint == uasp_conv_info->command_endpoint ||
endpoint == uasp_conv_info->status_endpoint)
dissector = dissect_uasp_iu;
else if (endpoint == uasp_conv_info->data_in_endpoint ||
endpoint == uasp_conv_info->data_out_endpoint)
dissector = dissect_uasp_data;
else
return 0;
col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "UASP");
col_clear(pinfo->cinfo, COL_INFO);
ti = proto_tree_add_protocol_format(parent_tree, proto_uasp, tvb, 0, -1,
"USB Attached SCSI");
uasp_tree = proto_item_add_subtree(ti, ett_uasp);
return dissector(tvb, pinfo, parent_tree, uasp_tree, usb_conv_info, uasp_conv_info);
}
static int
dissect_uasp_descriptor(tvbuff_t *tvb,
packet_info *pinfo _U_,
proto_tree *parent_tree,
void *data _U_)
{
guint8 desc_type;
guint8 desc_len;
proto_tree *desc_tree;
proto_tree *desc_tree_item;
usb_conv_info_t *usb_conv_info = (usb_conv_info_t *)data;
usb_trans_info_t *usb_trans_info = NULL;
uasp_conv_info_t *uasp_conv_info;
if (usb_conv_info)
usb_trans_info = usb_conv_info->usb_trans_info;
/* Descriptor must have a length and type field. */
if (tvb_reported_length(tvb) < 2)
return 0;
desc_len = tvb_get_guint8(tvb, 0);
desc_type = tvb_get_guint8(tvb, 1);
if (desc_type != DT_PIPE_USAGE)
return 0;
desc_tree = proto_tree_add_subtree(parent_tree, tvb, 0, desc_len,
ett_uasp_desc, &desc_tree_item,
"UAS PIPE USAGE DESCRIPTOR");
dissect_usb_descriptor_header(desc_tree, tvb, 0,
&uasp_descriptor_type_vals_ext);
proto_tree_add_item(desc_tree, hf_pipe_usage_descr_pipe_id,
tvb, 2, 1, ENC_NA);
/* The pipe usage descriptor should follow the endpoint descriptor
* of the endpoint it applies to. Keep track of the pipe ID for the
* endpoint so the bulk dissector can distinguish between commands
* and data reliably */
if (!pinfo->fd->visited && usb_trans_info && usb_trans_info->interface_info) {
guint8 endpoint = usb_trans_info->interface_info->endpoint;
guint8 pipe_id = tvb_get_guint8(tvb, 2);
uasp_conv_info = get_uasp_conv_info(usb_trans_info->interface_info);
if (uasp_conv_info) {
switch (pipe_id) {
case COMMAND_PIPE_ID:
uasp_conv_info->command_endpoint = endpoint;
break;
case STATUS_PIPE_ID:
uasp_conv_info->status_endpoint = endpoint;
break;
case DATA_IN_PIPE_ID:
uasp_conv_info->data_in_endpoint = endpoint;
break;
case DATA_OUT_PIPE_ID:
uasp_conv_info->data_out_endpoint = endpoint;
break;
}
}
}
return desc_len;
}
void
proto_register_uasp(void)
{
static hf_register_info hf[] = {
{ &hf_pipe_usage_descr_pipe_id,
{ "bPipeID", "uasp.pipe_usage.bPipeID",
FT_UINT8, BASE_HEX, VALS(uasp_pipe_id_vals), 0x00, NULL, HFILL } },
{ &hf_uas_iu_id,
{ "IU ID", "uasp.iu_id",
FT_UINT8, BASE_HEX, VALS(uasp_iu_id_vals), 0x00, NULL, HFILL } },
{ &hf_uas_tag,
{ "Tag", "uasp.tag",
FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_cmd_command_priority,
{ "Command Priority", "uasp.command.priority",
FT_UINT8, BASE_DEC, NULL, 0x78, NULL, HFILL } },
{ &hf_uas_cmd_task_attribute,
{ "Task Attribute", "uasp.command.task_attr",
FT_UINT8, BASE_HEX, NULL, 0x07, NULL, HFILL } },
{ &hf_uas_cmd_additional_cdb_length,
{ "Additional CDB Length", "uasp.command.add_cdb_length",
FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_sense_status_qualifier,
{ "Status Qualifier", "uasp.sense.status_qualifier",
FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_sense_status,
{ "Status", "uasp.sense.status",
FT_UINT8, BASE_DEC, VALS(scsi_status_val), 0x00, NULL, HFILL } },
{ &hf_uas_sense_length,
{ "Length", "uasp.sense.length",
FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_response_additional_info,
{ "Additional Response Info", "uasp.response.add_info",
FT_UINT24, BASE_HEX, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_response_code,
{ "Response Code", "uasp.response.code",
FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_taskmgmt_function,
{ "Task Management Function", "uasp.task_mgmt.function",
FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_taskmgmt_tag_of_managed_task,
{ "Tag of Managed Task", "uasp.task_mgmt.managed_tag",
FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } },
{ &hf_uas_tag_started_frame,
{ "Tag started in", "uasp.tag_started_frame", FT_FRAMENUM, BASE_NONE, NULL, 0,
"The command with this tag was started in this frame", HFILL } },
{ &hf_uas_tag_completed_frame,
{ "Tag completed in", "uasp.tag_completed_frame", FT_FRAMENUM, BASE_NONE, NULL, 0,
"The command with this tag was completed in this frame", HFILL } },
{ &hf_uas_tag_read_ready_frame,
{ "Tag read ready in", "uasp.tag_read_ready_frame", FT_FRAMENUM, BASE_NONE, NULL, 0,
"The request data for the tag became ready in this frame", HFILL } },
{ &hf_uas_tag_write_ready_frame,
{ "Tag write ready in", "uasp.tag_write_ready_frame", FT_FRAMENUM, BASE_NONE, NULL, 0,
"The request data for the tag became ready in this frame", HFILL } },
{ &hf_uas_tag_data_recv_frame,
{ "Tag data received in", "uasp.tag_data_recv_frame", FT_FRAMENUM, BASE_NONE, NULL, 0,
"The response data for the tag was transmitted in this frame", HFILL } },
{ &hf_uas_tag_data_sent_frame,
{ "Tag data sent in", "uasp.tag_data_sent_frame", FT_FRAMENUM, BASE_NONE, NULL, 0,
"The request data for the tag was transmitted in this frame", HFILL } },
};
static gint *uasp_subtrees[] = {
&ett_uasp,
&ett_uasp_desc,
};
proto_uasp = proto_register_protocol("USB Attached SCSI", "UASP", "uasp");
proto_register_field_array(proto_uasp, hf, array_length(hf));
proto_register_subtree_array(uasp_subtrees, array_length(uasp_subtrees));
}
void
proto_reg_handoff_uasp(void)
{
dissector_handle_t uasp_descriptor_handle;
dissector_handle_t uasp_bulk_handle;
uasp_descriptor_handle = create_dissector_handle(dissect_uasp_descriptor, proto_uasp);
dissector_add_uint("usbms.descriptor", IF_PROTOCOL_UAS, uasp_descriptor_handle);
uasp_bulk_handle = create_dissector_handle(dissect_uasp_bulk, proto_uasp);
dissector_add_uint("usbms.bulk", IF_PROTOCOL_UAS, uasp_bulk_handle);
}
View Git Blame Copy Permalink