def test_create_cq_ex_bad_flow(self):
"""
Test ibv_create_cq_ex() with wrong comp_vector / number of cqes
"""
for ctx, attr, attr_ex in self.devices:
for i in range(10):
cq_attrs_ex = CqInitAttrEx(cqe=0, wc_flags=0, comp_mask=0, flags=0)
max_cqe = attr.max_cqe
cq_attrs_ex.cqe = max_cqe + 1 + int(100 * random.random())
try:
CQEX(ctx, cq_attrs_ex)
except PyverbsError as ex:
assert 'Failed to create extended CQ' in ex.args[0]
assert ' Errno: 22' in ex.args[0]
else:
raise PyverbsError(
'Created a CQEX with {c} CQEs while device\'s max CQE={dc}'.
format(c=cq_attrs_ex.cqe, dc=max_cqe))
comp_channel = random.randint(ctx.num_comp_vectors, 100)
cq_attrs_ex.comp_vector = comp_channel
cq_attrs_ex.cqe = get_num_cqes(attr)
try:
CQEX(ctx, cq_attrs_ex)
except PyverbsError as ex:
assert 'Failed to create extended CQ' in ex.args[0]
assert ' Errno: 22' in ex.args[0]
else:
raise PyverbsError(
'Created a CQEX with comp_vector={c} while device\'s num_comp_vectors={dc}'.
format(c=comp_channel, dc=ctx.num_comp_vectors))
def test_create_cq_ex(self):
"""
Test ibv_create_cq_ex()
"""
cq_init_attrs_ex = CqInitAttrEx(cqe=10,
wc_flags=0,
comp_mask=0,
flags=0)
if self.attr_ex.raw_packet_caps & e.IBV_RAW_PACKET_CAP_CVLAN_STRIPPING:
cq_init_attrs_ex.wc_flags = e.IBV_WC_EX_WITH_CVLAN
CQEX(self.ctx, cq_init_attrs_ex)
for flag in list(e.ibv_create_cq_wc_flags):
cq_init_attrs_ex.wc_flags = flag
try:
cq_ex = CQEX(self.ctx, cq_init_attrs_ex)
cq_ex.close()
except PyverbsRDMAError as ex:
if ex.error_code != errno.EOPNOTSUPP:
raise ex
cq_init_attrs_ex.wc_flags = 0
cq_init_attrs_ex.comp_mask = e.IBV_CQ_INIT_ATTR_MASK_FLAGS
attr_flags = list(e.ibv_create_cq_attr_flags)
for flag in attr_flags:
cq_init_attrs_ex.flags = flag
try:
cq_ex = CQEX(self.ctx, cq_init_attrs_ex)
cq_ex.close()
except PyverbsRDMAError as ex:
if ex.error_code != errno.EOPNOTSUPP:
raise ex
def create_dv_cq(res):
"""
Create Mlx5 DV CQ.
:param res: An instance of BaseResources.
:return: None
"""
dvcq_init_attr = Mlx5DVCQInitAttr()
if res.cqe_comp_res_format:
dvcq_init_attr.cqe_comp_res_format = res.cqe_comp_res_format
dvcq_init_attr.comp_mask |= dve.MLX5DV_CQ_INIT_ATTR_MASK_COMPRESSED_CQE
# Check CQE compression capability
cqe_comp_caps = res.ctx.query_mlx5_device().cqe_comp_caps
if not (cqe_comp_caps['supported_format'] & res.cqe_comp_res_format) or \
not cqe_comp_caps['max_num']:
cqe_comp_str = cqe_comp_to_str(res.cqe_comp_res_format)
raise unittest.SkipTest(
f'CQE compression {cqe_comp_str} is not supported')
if res.flags:
dvcq_init_attr.flags = res.flags
dvcq_init_attr.comp_mask |= dve.MLX5DV_CQ_INIT_ATTR_MASK_FLAGS
if res.cqe_size:
dvcq_init_attr.cqe_size = res.cqe_size
dvcq_init_attr.comp_mask |= dve.MLX5DV_CQ_INIT_ATTR_MASK_CQE_SIZE
try:
res.cq = Mlx5CQ(res.ctx, CqInitAttrEx(), dvcq_init_attr)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create Mlx5DV CQ is not supported')
raise ex
def create_cq(self):
cq_init_attr = CqInitAttrEx(wc_flags=e.IBV_WC_EX_WITH_TM_INFO | e.IBV_WC_STANDARD_FLAGS)
try:
self.cq = CQEX(self.ctx, cq_init_attr)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Extended CQ is not supported')
raise ex
def test_create_cq_ex_bad_flow(self):
"""
Test ibv_create_cq_ex() with wrong comp_vector / number of cqes
"""
cq_attrs_ex = CqInitAttrEx(cqe=self.max_cqe + 1,
wc_flags=0,
comp_mask=0,
flags=0)
with self.assertRaises(PyverbsRDMAError) as ex:
CQEX(self.ctx, cq_attrs_ex)
if ex.exception.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create Extended CQ is not supported')
self.assertEqual(ex.exception.error_code, errno.EINVAL)
cq_attrs_ex = CqInitAttrEx(10, wc_flags=0, comp_mask=0, flags=0)
cq_attrs_ex.comp_vector = self.ctx.num_comp_vectors + 1
with self.assertRaises(PyverbsRDMAError) as ex:
CQEX(self.ctx, cq_attrs_ex)
self.assertEqual(ex.exception.error_code, errno.EINVAL)
def create_ex_cq(res):
"""
Create an Extended CQ using res's context and assign it to res's cq member.
IBV_WC_STANDARD_FLAGS is used for WC flags to avoid support differences
between devices.
:param res: An instance of TrafficResources
"""
wc_flags = e.IBV_WC_STANDARD_FLAGS
cia = CqInitAttrEx(cqe=2000, wc_flags=wc_flags)
res.cq = CQEX(res.ctx, cia)
def create_cq(self):
wc_flags = e.IBV_WC_STANDARD_FLAGS
cia = CqInitAttrEx(cqe=2000, wc_flags=wc_flags, parent_domain=self.pd,
comp_mask=e.IBV_CQ_INIT_ATTR_MASK_FLAGS |
e.IBV_CQ_INIT_ATTR_MASK_PD)
try:
self.cq = CQEX(self.ctx, cia)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Extended CQ with Parent Domain is not supported')
raise ex
def create_cq(self):
"""
Initializes self.cq with a dv_cq
:return: None
"""
dvcq_init_attr = Mlx5DVCQInitAttr()
try:
self.cq = Mlx5CQ(self.ctx, CqInitAttrEx(), dvcq_init_attr)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create Mlx5DV CQ is not supported')
raise ex
def create_cq(self):
"""
Create an Extended CQ.
"""
wc_flags = e.IBV_WC_STANDARD_FLAGS | self.wc_flags
cia = CqInitAttrEx(cqe=self.num_msgs, wc_flags=wc_flags)
try:
self.cq = CQEX(self.ctx, cia)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create Extended CQ is not supported')
raise ex
def _create_rdma_objects(self):
cq = CQ(self.pd_res.ctx, 100, None, None, 0)
dev_attr = self.pd_res.ctx.query_device()
qp_cap = u.random_qp_cap(dev_attr)
qia = QPInitAttr(scq=cq, rcq=cq, cap=qp_cap)
qia.qp_type = e.IBV_QPT_RC
QP(self.pd_res.parent_domain, qia)
srq_init_attr = SrqInitAttr(SrqAttr())
SRQ(self.pd_res.parent_domain, srq_init_attr)
cq_init_attrs_ex = CqInitAttrEx(
comp_mask=e.IBV_CQ_INIT_ATTR_MASK_PD,
parent_domain=self.pd_res.parent_domain)
CQEX(self.pd_res.ctx, cq_init_attrs_ex)
def create_ex_cq(res):
"""
Create an Extended CQ using res's context and assign it to res's cq member.
IBV_WC_STANDARD_FLAGS is used for WC flags to avoid support differences
between devices.
:param res: An instance of TrafficResources
"""
wc_flags = e.IBV_WC_STANDARD_FLAGS
cia = CqInitAttrEx(cqe=2000, wc_flags=wc_flags)
try:
res.cq = CQEX(res.ctx, cia)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create Extended CQ is not supported')
raise ex
def _create_ex_cq(self, timestamp=None):
"""
Create an Extended CQ.
:param timestamp: If set, the timestamp type to use.
"""
wc_flags = e.IBV_WC_STANDARD_FLAGS
if timestamp:
wc_flags |= timestamp
cia = CqInitAttrEx(cqe=self.num_msgs, wc_flags=wc_flags)
try:
cq = CQEX(self.ctx, cia)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create Extended CQ is not supported')
raise ex
return cq
def get_attrs_ex(ctx):
cqe = get_num_cqes(ctx)
sample = random.sample(list(e.ibv_create_cq_wc_flags),
random.randint(0, 11))
wc_flags = 0
for flag in sample:
wc_flags |= flag
comp_mask = random.choice([0, e.IBV_CQ_INIT_ATTR_MASK_FLAGS])
flags = 0
if comp_mask is not 0:
sample = random.sample(list(e.ibv_create_cq_attr_flags),
random.randint(0, 2))
for flag in sample:
flags |= flag
return CqInitAttrEx(cqe=cqe,
wc_flags=wc_flags,
comp_mask=comp_mask,
flags=flags)
def test_destroy_cq_ex(self):
"""
Test ibv_destroy_cq() for extended CQs
"""
for ctx, attr, attr_ex in self.devices:
cqe = get_num_cqes(attr)
cq_init_attrs_ex = CqInitAttrEx(cqe=cqe,
wc_flags=0,
comp_mask=0,
flags=0)
wc_flags = get_cq_flags_with_caps()
if attr_ex.raw_packet_caps & e.IBV_RAW_PACKET_CAP_CVLAN_STRIPPING == 0:
wc_flags.remove(e.IBV_WC_EX_WITH_CVLAN)
for f in wc_flags:
cq_init_attrs_ex.wc_flags = f
with CQEX(ctx, cq_init_attrs_ex) as cq:
cq.close()
# For the wc_flags that have no capability bit, we're not raising
# an exception for EOPNOTSUPPORT
wc_flags = get_cq_flags_with_no_caps()
for f in wc_flags:
cq_init_attrs_ex.wc_flags = f
try:
with CQEX(ctx, cq_init_attrs_ex) as cq:
cq.close()
except PyverbsError as ex:
assert 'Failed to create extended CQ' in ex.args[0]
assert ' Errno: 95' in ex.args[0]
cq_init_attrs_ex.wc_flags = 0
cq_init_attrs_ex.comp_mask = e.IBV_CQ_INIT_ATTR_MASK_FLAGS
attr_flags = list(e.ibv_create_cq_attr_flags)
for f in attr_flags:
cq_init_attrs_ex.flags = f
try:
with CQEX(ctx, cq_init_attrs_ex) as cq:
cq.close()
except PyverbsError as ex:
assert 'Failed to create extended CQ' in ex.args[0]
assert ' Errno: 95' in ex.args[0]
def create_dv_cq(res):
"""
Create Mlx5 DV CQ.
:param res: An instance of BaseResources.
:return: None
"""
dvcq_init_attr = Mlx5DVCQInitAttr()
if res.cqe_comp_res_format:
dvcq_init_attr.cqe_comp_res_format = res.cqe_comp_res_format
dvcq_init_attr.comp_mask |= dve.MLX5DV_CQ_INIT_ATTR_MASK_COMPRESSED_CQE
if res.flags:
dvcq_init_attr.flags = res.flags
dvcq_init_attr.comp_mask |= dve.MLX5DV_CQ_INIT_ATTR_MASK_FLAGS
if res.cqe_size:
dvcq_init_attr.cqe_size = res.cqe_size
dvcq_init_attr.comp_mask |= dve.MLX5DV_CQ_INIT_ATTR_MASK_CQE_SIZE
try:
res.cq = Mlx5CQ(res.ctx, CqInitAttrEx(), dvcq_init_attr)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create Mlx5DV CQ is not supported')
raise ex
def get_attrs_ex(attr, attr_ex):
cqe = get_num_cqes(attr)
wc_flags = list(e.ibv_create_cq_wc_flags)
# Flow tag is not always supported, doesn't have a capability bit to check
wc_flags.remove(e.IBV_WC_EX_WITH_FLOW_TAG)
if attr_ex.tm_caps.max_ops == 0:
wc_flags.remove(e.IBV_WC_EX_WITH_TM_INFO)
if attr_ex.raw_packet_caps & e.IBV_RAW_PACKET_CAP_CVLAN_STRIPPING == 0:
wc_flags.remove(e.IBV_WC_EX_WITH_CVLAN)
sample = u.sample(wc_flags)
wc_flags = 0
for flag in sample:
wc_flags |= flag
comp_mask = random.choice([0, e.IBV_CQ_INIT_ATTR_MASK_FLAGS])
flags = 0
if comp_mask is not 0:
attr_flags = list(e.ibv_create_cq_attr_flags)
sample = u.sample(attr_flags)
for flag in sample:
flags |= flag
return CqInitAttrEx(cqe=cqe,
wc_flags=wc_flags,
comp_mask=comp_mask,
flags=flags)