def test_pfc_pause_lossless(fanouthosts, duthost, ptfhost, tbinfo,
conn_graph_facts, leaf_fanouts,
lossless_prio_dscp_map):
"""
@Summary: Test if PFC pause frames can pause a lossless priority without affecting the other priorities
@param tbinfo: Testbed information
@param conn_graph_facts: Testbed topology
@param lossless_prio_dscp_map: lossless priorities and their DSCP values
"""
setup_testbed(fanouthosts=fanouthosts,
ptfhost=ptfhost,
leaf_fanouts=leaf_fanouts)
errors = []
""" DSCP vlaues for lossless priorities """
lossless_dscps = [
int(dscp) for prio in lossless_prio_dscp_map
for dscp in lossless_prio_dscp_map[prio]
]
""" DSCP values for lossy priorities """
lossy_dscps = list(set(range(64)) - set(lossless_dscps))
for prio in lossless_prio_dscp_map:
""" DSCP values of the other lossless priorities """
other_lossless_dscps = list(
set(lossless_dscps) - set(lossless_prio_dscp_map[prio]))
""" We also need to test some DSCP values for lossy priorities """
other_dscps = other_lossless_dscps + lossy_dscps[0:2]
for dscp in lossless_prio_dscp_map[prio]:
for dscp_bg in other_dscps:
results = run_test(fanouthosts=fanouthosts,
duthost=duthost,
ptfhost=ptfhost,
tbinfo=tbinfo,
conn_graph_facts=conn_graph_facts,
leaf_fanouts=leaf_fanouts,
dscp=dscp,
dscp_bg=dscp_bg,
queue_paused=True,
send_pause=True,
pfc_pause=True,
pause_prio=prio,
pause_time=65535,
max_test_intfs_count=MAX_TEST_INTFS_COUNT)
""" results should not be none """
if results is None:
assert 0
errors = dict()
for intf in results:
if len(results[intf]) != 2:
continue
pass_count = results[intf][0]
total_count = results[intf][1]
if total_count == 0:
continue
if pass_count < total_count * PTF_PASS_RATIO_THRESH:
errors[intf] = results[intf]
if len(errors) > 0:
print "errors occured:\n{}".format("\n".join(errors))
assert 0
def test_no_pfc(fanouthosts,
duthost,
ptfhost,
testbed,
conn_graph_facts,
leaf_fanouts,
lossless_prio_dscp_map):
"""
@Summary: Test if lossless and lossy priorities can forward packets in the absence of PFC pause frames
@param fanouthosts: Fixture for fanout hosts
@param testbed: Testbed information
@param conn_graph_facts: Testbed topology
@param lossless_prio_dscp_map: lossless priorities and their DSCP values
"""
setup_testbed(fanouthosts=fanouthosts,
ptfhost=ptfhost,
leaf_fanouts=leaf_fanouts,
ptf_local_path=PTF_FILE_LOCAL_PATH,
ptf_remote_path=PTF_FILE_REMOTE_PATH)
errors = []
""" DSCP vlaues for lossless priorities """
lossless_dscps = [int(dscp) for prio in lossless_prio_dscp_map for dscp in lossless_prio_dscp_map[prio]]
""" DSCP values for lossy priorities """
lossy_dscps = list(set(range(64)) - set(lossless_dscps))
for prio in lossless_prio_dscp_map:
""" DSCP values of the other lossless priorities """
other_lossless_dscps = list(set(lossless_dscps) - set(lossless_prio_dscp_map[prio]))
""" We also need to test some DSCP values for lossy priorities """
other_dscps = other_lossless_dscps + lossy_dscps[0:2]
for dscp in lossless_prio_dscp_map[prio]:
for dscp_bg in other_dscps:
results = run_test(fanouthosts=fanouthosts,
duthost=duthost,
ptfhost=ptfhost,
testbed=testbed,
conn_graph_facts=conn_graph_facts,
leaf_fanouts=leaf_fanouts,
dscp=dscp,
dscp_bg=dscp_bg,
queue_paused=False,
send_pause=False,
pfc_pause=None,
pause_prio=None,
pause_time=None,
max_test_intfs_count=MAX_TEST_INTFS_COUNT)
""" results should not be none """
if results is None:
assert 0
errors = dict()
for intf in results:
if len(results[intf]) != 2:
continue
pass_count = results[intf][0]
total_count = results[intf][1]
if total_count == 0:
continue
if pass_count < total_count * PTF_PASS_RATIO_THRESH:
errors[intf] = results[intf]
if len(errors) > 0:
print "errors occured:\n{}".format("\n".join(errors))
assert 0
def test_pfc_pause_lossless(ansible_adhoc, testbed, conn_graph_facts,
leaf_fanouts, lossless_prio_dscp_map):
"""
@Summary: Test if PFC pause frames can pause a lossless priority without affecting the other priorities
@param ansible_adhoc: Fixture provided by the pytest-ansible package. Source of the various device objects. It is
mandatory argument for the class constructors.
@param testbed: Testbed information
@param conn_graph_facts: Testbed topology
@param lossless_prio_dscp_map: lossless priorities and their DSCP values
"""
setup_testbed(ansible_adhoc=ansible_adhoc,
testbed=testbed,
leaf_fanouts=leaf_fanouts,
ptf_local_path=PTF_FILE_LOCAL_PATH,
ptf_remote_path=PTF_FILE_REMOTE_PATH)
errors = []
""" DSCP vlaues for lossless priorities """
lossless_dscps = [
int(dscp) for prio in lossless_prio_dscp_map
for dscp in lossless_prio_dscp_map[prio]
]
""" DSCP values for lossy priorities """
lossy_dscps = list(set(range(64)) - set(lossless_dscps))
for prio in lossless_prio_dscp_map:
""" DSCP values of the other lossless priorities """
other_lossless_dscps = list(
set(lossless_dscps) - set(lossless_prio_dscp_map[prio]))
""" We also need to test some DSCP values for lossy priorities """
other_dscps = other_lossless_dscps + lossy_dscps[0:2]
for dscp in lossless_prio_dscp_map[prio]:
for dscp_bg in other_dscps:
results = run_test(ansible_adhoc=ansible_adhoc,
testbed=testbed,
conn_graph_facts=conn_graph_facts,
leaf_fanouts=leaf_fanouts,
dscp=dscp,
dscp_bg=dscp_bg,
queue_paused=True,
send_pause=True,
pfc_pause=True,
pause_prio=prio,
pause_time=65535,
max_test_intfs_count=MAX_TEST_INTFS_COUNT)
""" results should not be none """
if results is None:
assert 0
errors = dict()
for intf in results:
if len(results[intf]) != 2:
continue
pass_count = results[intf][0]
total_count = results[intf][1]
if total_count == 0:
continue
if pass_count < total_count * PTF_PASS_RATIO_THRESH:
errors[intf] = results[intf]
if len(errors) > 0:
print "errors occured:\n{}".format("\n".join(errors))
assert 0
