def pfc_test_setup(duthosts, rand_one_dut_hostname, tbinfo, ptfhost):
"""
Generate configurations for the tests
Args:
duthosts(AnsibleHost) : multi dut instance
rand_one_dut_hostname(string) : one of the dut instances from the multi dut
Yields:
setup(dict): DUT interfaces, PTF interfaces, PTF IP addresses, and PTF MAC addresses
"""
""" Get all the active physical interfaces enslaved to the Vlan """
""" These interfaces are actually server-faced interfaces at T0 """
duthost = duthosts[rand_one_dut_hostname]
vlan_members, vlan_id = get_active_vlan_members(duthost)
""" Get Vlan subnet """
vlan_subnet = get_vlan_subnet(duthost)
""" Generate IP addresses for servers in the Vlan """
vlan_ip_addrs = list()
if 'dualtor' in tbinfo['topo']['name']:
servers = mux_cable_server_ip(duthost)
for intf, value in natsorted(servers.items()):
vlan_ip_addrs.append(value['server_ipv4'].split('/')[0])
else:
vlan_ip_addrs = get_addrs_in_subnet(vlan_subnet, len(vlan_members))
""" Find correspoinding interfaces on PTF """
phy_intfs = get_phy_intfs(duthost)
phy_intfs.sort(key=natural_keys)
vlan_members.sort(key=natural_keys)
vlan_members_index = [phy_intfs.index(intf) for intf in vlan_members]
ptf_intfs = ['eth' + str(i) for i in vlan_members_index]
duthost.command('sonic-clear fdb all')
""" Disable DUT's PFC wd """
duthost.shell('sudo pfcwd stop')
testbed_type = tbinfo['topo']['name']
yield {
'vlan_members': vlan_members,
'vlan_id': vlan_id,
'ptf_intfs': ptf_intfs,
'vlan_ip_addrs': vlan_ip_addrs,
'testbed_type': testbed_type
}
duthost.command('sonic-clear fdb all')
""" Enable DUT's PFC wd """
duthost.shell('sudo pfcwd start_default')
def pfc_test_setup(duthosts, rand_one_dut_hostname, tbinfo):
"""
Generate configurations for the tests
Args:
duthosts(AnsibleHost) : multi dut instance
rand_one_dut_hostname(string) : one of the dut instances from the multi dut
Yields:
setup(dict): DUT interfaces, PTF interfaces, PTF IP addresses, and PTF MAC addresses
"""
""" Get all the active physical interfaces enslaved to the Vlan """
""" These interfaces are actually server-faced interfaces at T0 """
duthost = duthosts[rand_one_dut_hostname]
vlan_members = get_active_vlan_members(duthost)
""" Get Vlan subnet """
vlan_subnet = get_vlan_subnet(duthost)
""" Generate IP addresses for servers in the Vlan """
vlan_ip_addrs = get_addrs_in_subnet(vlan_subnet, len(vlan_members))
""" Generate MAC addresses 00:00:00:00:00:XX for servers in the Vlan """
vlan_mac_addrs = [5 * '00:' + format(k, '02x') for k in random.sample(range(1, 256), len(vlan_members))]
""" Find correspoinding interfaces on PTF """
phy_intfs = get_phy_intfs(duthost)
phy_intfs.sort(key=natural_keys)
vlan_members.sort(key=natural_keys)
vlan_members_index = [phy_intfs.index(intf) for intf in vlan_members]
ptf_intfs = ['eth' + str(i) for i in vlan_members_index]
""" Disable DUT's PFC wd """
duthost.shell('sudo pfcwd stop')
yield {
'vlan_members': vlan_members,
'ptf_intfs': ptf_intfs,
'vlan_ip_addrs': vlan_ip_addrs,
'vlan_mac_addrs': vlan_mac_addrs
}
""" Enable DUT's PFC wd """
if 'dualtor' not in tbinfo['topo']['name']:
duthost.shell('sudo pfcwd start_default')