def setup(request, duthosts, enum_rand_one_per_hwsku_hostname, xcvr_skip_list, conn_graph_facts, shutdown_ebgp):
sfp_setup = {}
duthost = duthosts[enum_rand_one_per_hwsku_hostname]
if duthost.is_supervisor_node():
pytest.skip("skipping for supervisor node")
# We are interested only in ports that are used for device connection
physical_intfs = conn_graph_facts["device_conn"][duthost.hostname]
physical_port_index_map = get_physical_port_indices(duthost, physical_intfs)
sfp_port_indices = set([physical_port_index_map[intf] \
for intf in physical_port_index_map.keys()])
sfp_setup["sfp_port_indices"] = sorted(sfp_port_indices)
if len(xcvr_skip_list[duthost.hostname]):
logging.info("Skipping tests on {}".format(xcvr_skip_list[duthost.hostname]))
sfp_port_indices = set([physical_port_index_map[intf] for intf in \
physical_port_index_map.keys() \
if intf not in xcvr_skip_list[duthost.hostname]])
sfp_setup["sfp_test_port_indices"] = sorted(sfp_port_indices)
# Fetch SFP names from platform.json
sfp_fact_names = []
sfp_fact_list = duthost.facts.get("chassis").get("sfps")
for sfp in sfp_fact_list:
sfp_fact_names.append(sfp.get('name'))
sfp_setup["sfp_fact_names"] = sfp_fact_names
if request.cls is not None:
request.cls.sfp_setup = sfp_setup
def get_cable_supported_speeds(cls, duthost, dut_port_name):
"""Helper function to get supported speeds for a cable
Args:
duthost: DUT object
dut_port_name (str): DUT interface name
Returns:
list: A list of supported speed strings
"""
if (duthost, dut_port_name) in cls.supported_speeds:
return cls.supported_speeds[duthost, dut_port_name]
if duthost not in cls.sorted_ports:
int_status = duthost.show_interface(command="status")["ansible_facts"]['int_status']
ports = natsorted([port_name for port_name in int_status.keys()])
cls.sorted_ports[duthost] = ports
if not cls.device_path:
cls.device_path = duthost.shell('ls /dev/mst/*_pci_cr0')['stdout'].strip()
port_index = get_physical_port_indices(duthost, [dut_port_name]).get(dut_port_name)
cmd = 'mlxlink -d {} -p {} | grep "Supported Cable Speed"'.format(cls.device_path, port_index)
output = duthost.shell(cmd)['stdout'].strip()
# Valid output should be something like "Supported Cable Speed:0x68b1f141 (100G,56G,50G,40G,25G,10G,1G)"
logger.info('Get supported speeds for {} {}: {}'.format(duthost, dut_port_name, output))
if not output:
return None
pos = output.rfind('(')
if pos == -1:
return None
speeds_str = output[pos+1:-1]
speeds = list(set([speed.split('G')[0] + '000' for speed in speeds_str.split(',')]))
cls.supported_speeds[(duthost, dut_port_name)] = speeds
return speeds
def physical_port_indices(duthosts, enum_rand_one_per_hwsku_hostname):
duthost = duthosts[enum_rand_one_per_hwsku_hostname]
port_map = get_physical_port_indices(duthost)
result = []
visited_intfs = set()
for intf in natsorted(port_map.keys()):
if intf in visited_intfs:
continue
visited_intfs.add(intf)
result.append(port_map[intf])
return result