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# SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB)
# Copyright (c) 2019 Mellanox Technologies, Inc. All rights reserved. See COPYING file
# Copyright (c) 2020 Kamal Heib <kamalheib1@gmail.com>, All rights reserved. See COPYING file
"""
Test module for pyverbs' qp module.
"""
import unittest
import random
import errno
import os
from pyverbs.pyverbs_error import PyverbsRDMAError
from pyverbs.qp import QPInitAttr, QPAttr, QP
from tests.base import PyverbsAPITestCase
import pyverbs.utils as pu
import pyverbs.enums as e
from pyverbs.pd import PD
from pyverbs.cq import CQ
import tests.utils as u
class QPTest(PyverbsAPITestCase):
"""
Test various functionalities of the QP class.
"""
def create_qp(self, creator, qp_init_attr, is_ex, with_attr, port_num=1):
"""
Auxiliary function to create QP object.
"""
try:
qp_attr = (None, QPAttr(port_num=port_num))[with_attr]
return QP(creator, qp_init_attr, qp_attr)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
with_str = ('without', 'with')[with_attr] + ('', ' extended')[is_ex]
qp_type_str = pu.qp_type_to_str(qp_init_attr.qp_type)
raise unittest.SkipTest(f'Create {qp_type_str} QP {with_str} attrs is not supported')
raise ex
def create_qp_common_test(self, qp_type, qp_state, is_ex, with_attr):
"""
Common function used by create QP tests.
"""
for ctx, attr, attr_ex in self.devices:
with PD(ctx) as pd:
with CQ(ctx, 100, None, None, 0) as cq:
port_num = 1
if qp_type == e.IBV_QPT_RAW_PACKET:
eth_port = 0
for i in range(1, attr.phys_port_cnt + 1):
if u.is_eth(ctx, i) and u.is_root():
eth_port = i
port_num = eth_port
break
if eth_port == 0:
raise unittest.SkipTest('To Create RAW QP must be done by root on Ethernet link layer')
if is_ex:
qia = get_qp_init_attr_ex(cq, pd, attr, attr_ex, qp_type)
creator = ctx
else:
qia = u.get_qp_init_attr(cq, attr)
qia.qp_type = qp_type
creator = pd
qp = self.create_qp(creator, qia, is_ex, with_attr, port_num)
qp_type_str = pu.qp_type_to_str(qp_type)
qp_state_str = pu.qp_state_to_str(qp_state)
assert qp.qp_state == qp_state , f'{qp_type_str} QP should have been in {qp_state_str}'
def test_create_rc_qp_no_attr(self):
"""
Test RC QP creation via ibv_create_qp without a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_RC, e.IBV_QPS_RESET, False, False)
def test_create_uc_qp_no_attr(self):
"""
Test UC QP creation via ibv_create_qp without a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_UC, e.IBV_QPS_RESET, False, False)
def test_create_ud_qp_no_attr(self):
"""
Test UD QP creation via ibv_create_qp without a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_UD, e.IBV_QPS_RESET, False, False)
def test_create_raw_qp_no_attr(self):
"""
Test RAW Packet QP creation via ibv_create_qp without a QPAttr object
provided.
Raw Packet is skipped for non-root users / Infiniband link layer.
"""
self.create_qp_common_test(e.IBV_QPT_RAW_PACKET, e.IBV_QPS_RESET, False, False)
def test_create_rc_qp_with_attr(self):
"""
Test RC QP creation via ibv_create_qp with a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_RC, e.IBV_QPS_INIT, False, True)
def test_create_uc_qp_with_attr(self):
"""
Test UC QP creation via ibv_create_qp with a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_UC, e.IBV_QPS_INIT, False, True)
def test_create_ud_qp_with_attr(self):
"""
Test UD QP creation via ibv_create_qp with a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_UD, e.IBV_QPS_RTS, False, True)
def test_create_raw_qp_with_attr(self):
"""
Test RAW Packet QP creation via ibv_create_qp with a QPAttr object
provided.
Raw Packet is skipped for non-root users / Infiniband link layer.
"""
self.create_qp_common_test(e.IBV_QPT_RAW_PACKET, e.IBV_QPS_RTS, False, True)
def test_create_rc_qp_ex_no_attr(self):
"""
Test RC QP creation via ibv_create_qp_ex without a QPAttr object
provided.
"""
self.create_qp_common_test(e.IBV_QPT_RC, e.IBV_QPS_RESET, True, False)
def test_create_uc_qp_ex_no_attr(self):
"""
Test UC QP creation via ibv_create_qp_ex without a QPAttr object
provided.
"""
self.create_qp_common_test(e.IBV_QPT_UC, e.IBV_QPS_RESET, True, False)
def test_create_ud_qp_ex_no_attr(self):
"""
Test UD QP creation via ibv_create_qp_ex without a QPAttr object
provided.
"""
self.create_qp_common_test(e.IBV_QPT_UD, e.IBV_QPS_RESET, True, False)
def test_create_raw_qp_ex_no_attr(self):
"""
Test Raw Packet QP creation via ibv_create_qp_ex without a QPAttr object
provided.
Raw Packet is skipped for non-root users / Infiniband link layer.
"""
self.create_qp_common_test(e.IBV_QPT_RAW_PACKET, e.IBV_QPS_RESET, True, False)
def test_create_rc_qp_ex_with_attr(self):
"""
Test RC QP creation via ibv_create_qp_ex with a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_RC, e.IBV_QPS_INIT, True, True)
def test_create_uc_qp_ex_with_attr(self):
"""
Test UC QP creation via ibv_create_qp_ex with a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_UC, e.IBV_QPS_INIT, True, True)
def test_create_ud_qp_ex_with_attr(self):
"""
Test UD QP creation via ibv_create_qp_ex with a QPAttr object provided.
"""
self.create_qp_common_test(e.IBV_QPT_UD, e.IBV_QPS_RTS, True, True)
def test_create_raw_qp_ex_with_attr(self):
"""
Test Raw Packet QP creation via ibv_create_qp_ex with a QPAttr object
provided.
Raw Packet is skipped for non-root users / Infiniband link layer.
"""
self.create_qp_common_test(e.IBV_QPT_RAW_PACKET, e.IBV_QPS_RTS, True, True)
def verify_qp_attrs(self, orig_cap, state, init_attr, attr):
self.assertEqual(state, attr.cur_qp_state)
self.assertLessEqual(orig_cap.max_send_wr, init_attr.cap.max_send_wr)
self.assertLessEqual(orig_cap.max_recv_wr, init_attr.cap.max_recv_wr)
self.assertLessEqual(orig_cap.max_send_sge, init_attr.cap.max_send_sge)
self.assertLessEqual(orig_cap.max_recv_sge, init_attr.cap.max_recv_sge)
self.assertLessEqual(orig_cap.max_inline_data, init_attr.cap.max_inline_data)
def query_qp_common_test(self, qp_type):
for ctx, attr, attr_ex in self.devices:
with PD(ctx) as pd:
with CQ(ctx, 100, None, None, 0) as cq:
port_num = 1
if qp_type == e.IBV_QPT_RAW_PACKET:
eth_port = 0
for i in range(1, attr.phys_port_cnt + 1):
if u.is_eth(ctx, i) and u.is_root():
eth_port = i
port_num = eth_port
break
if eth_port == 0:
raise unittest.SkipTest('To Create RAW QP must be done by root on Ethernet link layer')
# Legacy QP
qia = u.get_qp_init_attr(cq, attr)
qia.qp_type = qp_type
caps = qia.cap
qp = self.create_qp(pd, qia, False, False, port_num)
qp_attr, qp_init_attr = qp.query(e.IBV_QP_STATE | e.IBV_QP_CAP)
self.verify_qp_attrs(caps, e.IBV_QPS_RESET, qp_init_attr, qp_attr)
# Extended QP
qia = get_qp_init_attr_ex(cq, pd, attr, attr_ex, qp_type)
caps = qia.cap # Save them to verify values later
qp = self.create_qp(ctx, qia, True, False, port_num)
qp_attr, qp_init_attr = qp.query(e.IBV_QP_STATE | e.IBV_QP_CAP)
self.verify_qp_attrs(caps, e.IBV_QPS_RESET, qp_init_attr, qp_attr)
def test_query_rc_qp(self):
"""
Queries an RC QP after creation. Verifies that its properties are as
expected.
"""
self.query_qp_common_test(e.IBV_QPT_RC)
def test_query_uc_qp(self):
"""
Queries an UC QP after creation. Verifies that its properties are as
expected.
"""
self.query_qp_common_test(e.IBV_QPT_UC)
def test_query_ud_qp(self):
"""
Queries an UD QP after creation. Verifies that its properties are as
expected.
"""
self.query_qp_common_test(e.IBV_QPT_UD)
def test_query_raw_qp(self):
"""
Queries an RAW Packet QP after creation. Verifies that its properties
are as expected.
Raw Packet is skipped for non-root users / Infiniband link layer.
"""
self.query_qp_common_test(e.IBV_QPT_RAW_PACKET)
def test_modify_ud_qp(self):
"""
Queries a UD QP after calling modify(). Verifies that its properties are
as expected.
"""
for ctx, attr, attr_ex in self.devices:
with PD(ctx) as pd:
with CQ(ctx, 100, None, None, 0) as cq:
# Legacy QP
qia = u.get_qp_init_attr(cq, attr)
qia.qp_type = e.IBV_QPT_UD
qp = self.create_qp(pd, qia, False, False)
qa = QPAttr()
qa.qkey = 0x123
qp.to_init(qa)
qp_attr, _ = qp.query(e.IBV_QP_QKEY)
assert qp_attr.qkey == qa.qkey, 'Legacy QP, QKey is not as expected'
qp.to_rtr(qa)
qa.sq_psn = 0x45
qp.to_rts(qa)
qp_attr, _ = qp.query(e.IBV_QP_SQ_PSN)
assert qp_attr.sq_psn == qa.sq_psn, 'Legacy QP, SQ PSN is not as expected'
qa.qp_state = e.IBV_QPS_RESET
qp.modify(qa, e.IBV_QP_STATE)
assert qp.qp_state == e.IBV_QPS_RESET, 'Legacy QP, QP state is not as expected'
# Extended QP
qia = get_qp_init_attr_ex(cq, pd, attr, attr_ex, e.IBV_QPT_UD)
qp = self.create_qp(ctx, qia, True, False)
qa = QPAttr()
qa.qkey = 0x123
qp.to_init(qa)
qp_attr, _ = qp.query(e.IBV_QP_QKEY)
assert qp_attr.qkey == qa.qkey, 'Extended QP, QKey is not as expected'
qp.to_rtr(qa)
qa.sq_psn = 0x45
qp.to_rts(qa)
qp_attr, _ = qp.query(e.IBV_QP_SQ_PSN)
assert qp_attr.sq_psn == qa.sq_psn, 'Extended QP, SQ PSN is not as expected'
qa.qp_state = e.IBV_QPS_RESET
qp.modify(qa, e.IBV_QP_STATE)
assert qp.qp_state == e.IBV_QPS_RESET, 'Extended QP, QP state is not as expected'
def get_qp_init_attr_ex(cq, pd, attr, attr_ex, qpt):
"""
Creates a QPInitAttrEx object with a QP type of the provided <qpts> array
and other random values.
:param cq: CQ to be used as send and receive CQ
:param pd: A PD object to use
:param attr: Device attributes for capability checks
:param attr_ex: Extended device attributes for capability checks
:param qpt: QP type
:return: An initialized QPInitAttrEx object
"""
qia = u.random_qp_init_attr_ex(attr_ex, attr, qpt)
qia.send_cq = cq
qia.recv_cq = cq
qia.pd = pd # Only XRCD can be created without a PD
return qia
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