blob: bd80a11649e6115d623cf586dbf1d66cee9d4e4f [file] [log] [blame] [edit]
# 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_constants
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_dts_test_base
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors
from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
import loopback_sequence
class cellular_MbimComplianceDTS1824(mbim_dts_test_base.MbimDtsTestBase):
"""
Validation of the Last wDatagramIndex.
This test validates the value in wDatagramIndex[(wLength-8)/4 - 1] field of
NDP16/32.
Reference:
[1] Universal Serial Bus Communication Class MBIM Compliance Testing: 34
http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf
"""
version = 1
def run_internal(self, ntb_format):
"""
Run DTS_18/DTS_24 test.
@param ntb_format: Whether to send/receive an NTB16 or NTB32 frame.
Possible values: NTB_FORMAT_16, NTB_FORMAT_32 (mbim_constants)
"""
# Precondition
_, _, _ = self.run_precondition(ntb_format)
# Step 1
loopback = loopback_sequence.LoopbackSequence(self.device_context)
_, _, ndp_entries, _ = loopback.run(ntb_format=ntb_format)
# Step 2
if ntb_format == mbim_constants.NTB_FORMAT_16:
if ndp_entries[-1].datagram_index != 0:
mbim_errors.log_and_raise(
mbim_errors.MBIMComplianceAssertionError,
'ncm1.0:3.3.1#4')
else:
if ndp_entries[-1].datagram_index != 0:
mbim_errors.log_and_raise(
mbim_errors.MBIMComplianceAssertionError,
'ncm1.0:3.3.2#4')