def test_reservered_qpn(self):
"""
Alloc reserved qpn multiple times and then dealloc the qpns. In addition,
the test includes bad flows where a fake qpn gets deallocated, and a
real qpn gets deallocated twice.
"""
try:
# Alloc qp number multiple times.
qpns = []
for i in range(1000):
qpns.append(Mlx5Context.reserved_qpn_alloc(self.ctx))
for i in range(1000):
Mlx5Context.reserved_qpn_dealloc(self.ctx, qpns[i])
# Dealloc qp number that was not allocated.
qpn = Mlx5Context.reserved_qpn_alloc(self.ctx)
with self.assertRaises(PyverbsRDMAError) as ex:
fake_qpn = qpn - 1
Mlx5Context.reserved_qpn_dealloc(self.ctx, fake_qpn)
self.assertEqual(ex.exception.error_code, errno.EINVAL)
# Try to dealloc same qp number twice.
Mlx5Context.reserved_qpn_dealloc(self.ctx, qpn)
with self.assertRaises(PyverbsRDMAError) as ex:
Mlx5Context.reserved_qpn_dealloc(self.ctx, qpn)
self.assertEqual(ex.exception.error_code, errno.EINVAL)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest(
'Alloc reserved QP number is not supported')
raise ex
def create_conn_param(self, qp_num=0, conn_idx=0):
if conn_idx and self.passive:
try:
ctx = self.child_id.context
self.reserved_qp_num = Mlx5Context.reserved_qpn_alloc(ctx)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest(
'Alloc reserved QP number is not supported')
raise ex
qp_num = self.reserved_qp_num
else:
qp_num = self.qps[conn_idx].qp_num
return ConnParam(qp_num=qp_num)
