blob: adf37cd3b77dbf1b70a7c7f261a3a885f6539c4e [file] [log] [blame]
# Copyright 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import common
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_channel
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_constants
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors
from autotest_lib.client.cros.cellular.mbim_compliance \
import mbim_message_request
from autotest_lib.client.cros.cellular.mbim_compliance \
import mbim_message_response
from autotest_lib.client.cros.cellular.mbim_compliance \
import mbim_test_base
from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
import get_descriptors_sequence
from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
import mbim_open_generic_sequence
class cellular_MbimComplianceCM07(mbim_test_base.MbimTestBase):
"""
CM_07 Validation of status in case of an unsupported CID in MBIM_COMMAND_MSG.
This test verifies that the function returns MBIM_STATUS_NO_DEVICE_SUPPORT
in Status field of the MBIM_COMMAND_DONE response when a command is not
supported by the function.
Reference:
[1] Universal Serial Bus Communication Class MBIM Compliance Testing: 40
http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf
"""
version = 1
def run_internal(self):
""" Run CM_07 test. """
# Precondition
descriptors = get_descriptors_sequence.GetDescriptorsSequence(
self.device_context).run()
self.device_context.update_descriptor_cache(descriptors)
mbim_open_generic_sequence.MBIMOpenGenericSequence(
self.device_context).run()
# Step 1
# 255 is an unsupported CID.
device_context = self.device_context
descriptor_cache = device_context.descriptor_cache
command_message = mbim_message_request.MBIMCommand(
device_service_id=mbim_constants.UUID_BASIC_CONNECT.bytes,
cid=255,
command_type=mbim_constants.COMMAND_TYPE_QUERY,
information_buffer_length=0)
packets = mbim_message_request.generate_request_packets(
command_message,
device_context.max_control_transfer_size)
channel = mbim_channel.MBIMChannel(
device_context._device,
descriptor_cache.mbim_communication_interface.bInterfaceNumber,
descriptor_cache.interrupt_endpoint.bEndpointAddress,
device_context.max_control_transfer_size)
response_packets = channel.bidirectional_transaction(*packets)
channel.close()
# Step 2
response_message = mbim_message_response.parse_response_packets(
response_packets)
# Step 3
if (response_message.message_type != mbim_constants.MBIM_COMMAND_DONE or
(response_message.status_codes !=
mbim_constants.MBIM_STATUS_NO_DEVICE_SUPPORT)):
mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError,
'mbim1.0:9.4.5#2')