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|
# <COPYRIGHT_TAG>
import re
import time
import dts
from qemu_kvm import QEMUKvm
from test_case import TestCase
from pmd_output import PmdOutput
VM_CORES_MASK = 'all'
class TestVfPacketRxtx(TestCase):
def set_up_all(self):
self.dut_ports = self.dut.get_ports(self.nic)
self.verify(len(self.dut_ports) > 1, "Insufficient ports")
self.vm0 = None
self.vm1 = None
def set_up(self):
self.setup_2pf_2vf_1vm_env_flag = 0
self.setup_3vf_2vm_env_flag = 0
def setup_2pf_2vf_1vm_env(self, driver='default'):
self.used_dut_port_0 = self.dut_ports[0]
self.dut.generate_sriov_vfs_by_port(self.used_dut_port_0, 1, driver=driver)
self.sriov_vfs_port_0 = self.dut.ports_info[self.used_dut_port_0]['vfs_port']
self.used_dut_port_1 = self.dut_ports[1]
self.dut.generate_sriov_vfs_by_port(self.used_dut_port_1, 1, driver=driver)
self.sriov_vfs_port_1 = self.dut.ports_info[self.used_dut_port_1]['vfs_port']
try:
for port in self.sriov_vfs_port_0:
port.bind_driver('pci-stub')
for port in self.sriov_vfs_port_1:
port.bind_driver('pci-stub')
time.sleep(1)
vf0_prop = {'opt_host': self.sriov_vfs_port_0[0].pci}
vf1_prop = {'opt_host': self.sriov_vfs_port_1[0].pci}
if driver == 'igb_uio':
# start testpmd without the two VFs on the host
self.host_testpmd = PmdOutput(self.dut)
eal_param = '-b %(vf0)s -b %(vf1)s' % {'vf0': self.sriov_vfs_port_0[0].pci,
'vf1': self.sriov_vfs_port_1[0].pci}
self.host_testpmd.start_testpmd("1S/2C/2T", eal_param=eal_param)
# set up VM0 ENV
self.vm0 = QEMUKvm(self.dut, 'vm0', 'vf_packet_rxtx')
self.vm0.set_vm_device(driver='pci-assign', **vf0_prop)
self.vm0.set_vm_device(driver='pci-assign', **vf1_prop)
self.vm_dut_0 = self.vm0.start()
if self.vm_dut_0 is None:
raise Exception("Set up VM0 ENV failed!")
self.setup_2pf_2vf_1vm_env_flag = 1
except Exception as e:
self.destroy_2pf_2vf_1vm_env()
raise Exception(e)
def destroy_2pf_2vf_1vm_env(self):
if getattr(self, 'vm0', None):
#destroy testpmd in vm0
self.vm0_testpmd.execute_cmd('stop')
self.vm0_testpmd.execute_cmd('quit', '# ')
self.vm0_testpmd = None
self.vm0_dut_ports = None
#destroy vm0
self.vm0.stop()
self.vm0 = None
if getattr(self, 'host_testpmd', None):
self.host_testpmd.execute_cmd('quit', '# ')
self.host_testpmd = None
if getattr(self, 'used_dut_port_0', None):
self.dut.destroy_sriov_vfs_by_port(self.used_dut_port_0)
port = self.dut.ports_info[self.used_dut_port_0]['port']
port.bind_driver()
self.used_dut_port_0 = None
if getattr(self, 'used_dut_port_1', None):
self.dut.destroy_sriov_vfs_by_port(self.used_dut_port_1)
port = self.dut.ports_info[self.used_dut_port_1]['port']
port.bind_driver()
self.used_dut_port_1 = None
for port_id in self.dut_ports:
port = self.dut.ports_info[port_id]['port']
port.bind_driver()
self.setup_2pf_2vf_1vm_env_flag = 0
def packet_rx_tx(self, driver='default'):
if driver == 'igb_uio':
self.setup_2pf_2vf_1vm_env(driver='igb_uio')
else:
self.setup_2pf_2vf_1vm_env(driver='')
self.vm0_dut_ports = self.vm_dut_0.get_ports('any')
port_id_0 = 0
self.vm0_testpmd = PmdOutput(self.vm_dut_0)
self.vm0_testpmd.start_testpmd(VM_CORES_MASK)
self.vm0_testpmd.execute_cmd('port stop all')
self.vm0_testpmd.execute_cmd('port config all crc-strip on')
self.vm0_testpmd.execute_cmd('port start all')
self.vm0_testpmd.execute_cmd('show port info all')
pmd_vf0_mac = self.vm0_testpmd.get_port_mac(port_id_0)
self.vm0_testpmd.execute_cmd('set fwd mac')
self.vm0_testpmd.execute_cmd('start')
time.sleep(2)
tgen_ports = []
tx_port = self.tester.get_local_port(self.dut_ports[0])
rx_port = self.tester.get_local_port(self.dut_ports[1])
tgen_ports.append((tx_port, rx_port))
dst_mac = pmd_vf0_mac
src_mac = self.tester.get_mac(tx_port)
pkt_param=[("ether", {'dst': dst_mac, 'src': src_mac})]
result = self.tester.check_random_pkts(tgen_ports, allow_miss=False, params=pkt_param)
self.verify(result != False, "VF0 failed to forward packets to VF1")
######1. test case for kernel pf and dpdk vf 2pf_2vf_1vm scenario packet rx tx.
def test_kernel_2pf_2vf_1vm(self):
self.packet_rx_tx(driver='')
######2. test case for dpdk pf and dpdk vf 2pf_2vf_1vm scenario packet rx tx.
def test_dpdk_2pf_2vf_1vm(self):
self.packet_rx_tx(driver='igb_uio')
def setup_3vf_2vm_env(self, driver='default'):
self.used_dut_port = self.dut_ports[0]
self.dut.generate_sriov_vfs_by_port(self.used_dut_port, 3, driver=driver)
self.sriov_vfs_port = self.dut.ports_info[self.used_dut_port]['vfs_port']
try:
for port in self.sriov_vfs_port:
print port.pci
port.bind_driver('pci-stub')
time.sleep(1)
vf0_prop = {'opt_host': self.sriov_vfs_port[0].pci}
vf1_prop = {'opt_host': self.sriov_vfs_port[1].pci}
vf2_prop = {'opt_host': self.sriov_vfs_port[2].pci}
for port_id in self.dut_ports:
if port_id == self.used_dut_port:
continue
port = self.dut.ports_info[port_id]['port']
port.bind_driver()
if driver == 'igb_uio':
self.host_testpmd = PmdOutput(self.dut)
eal_param = '-b %(vf0)s -b %(vf1)s -b %(vf2)s' % {'vf0': self.sriov_vfs_port[0].pci,
'vf1': self.sriov_vfs_port[1].pci,
'vf2': self.sriov_vfs_port[2].pci}
self.host_testpmd.start_testpmd("1S/2C/2T", eal_param=eal_param)
# set up VM0 ENV
self.vm0 = QEMUKvm(self.dut, 'vm0', 'vf_packet_rxtx')
self.vm0.set_vm_device(driver='pci-assign', **vf0_prop)
self.vm0.set_vm_device(driver='pci-assign', **vf1_prop)
self.vm_dut_0 = self.vm0.start()
if self.vm_dut_0 is None:
raise Exception("Set up VM0 ENV failed!")
# set up VM1 ENV
self.vm1 = QEMUKvm(self.dut, 'vm1', 'vf_packet_rxtx')
self.vm1.set_vm_device(driver='pci-assign', **vf2_prop)
self.vm_dut_1 = self.vm1.start()
if self.vm_dut_1 is None:
raise Exception("Set up VM1 ENV failed!")
self.setup_3vf_2vm_env_flag = 1
except Exception as e:
self.destroy_3vf_2vm_env()
raise Exception(e)
def destroy_3vf_2vm_env(self):
if getattr(self, 'vm0', None):
self.vm0_testpmd.execute_cmd('stop')
self.vm0_testpmd.execute_cmd('quit', '# ')
self.vm0_testpmd = None
self.vm0_dut_ports = None
self.vm_dut_0 = None
self.vm0.stop()
self.vm0 = None
if getattr(self, 'vm1', None):
self.vm1_testpmd.execute_cmd('stop')
self.vm1_testpmd.execute_cmd('quit', '# ')
self.vm1_testpmd = None
self.vm1_dut_ports = None
self.vm_dut_1 = None
self.vm1.stop()
self.vm1 = None
if getattr(self, 'host_testpmd', None):
self.host_testpmd.execute_cmd('quit', '# ')
self.host_testpmd = None
if getattr(self, 'used_dut_port', None):
self.dut.destroy_sriov_vfs_by_port(self.used_dut_port)
port = self.dut.ports_info[self.used_dut_port]['port']
port.bind_driver()
self.used_dut_port = None
for port_id in self.dut_ports:
port = self.dut.ports_info[port_id]['port']
port.bind_driver()
self.setup_3vf_2vm_env_flag = 0
def test_vf_reset(self):
self.setup_3vf_2vm_env(driver='')
self.vm0_dut_ports = self.vm_dut_0.get_ports('any')
self.vm1_dut_ports = self.vm_dut_1.get_ports('any')
port_id_0 = 0
port_id_1 = 1
self.vm0_testpmd = PmdOutput(self.vm_dut_0)
self.vm0_testpmd.start_testpmd(VM_CORES_MASK)
self.vm0_testpmd.execute_cmd('show port info all')
pmd0_vf0_mac = self.vm0_testpmd.get_port_mac(port_id_0)
self.vm0_testpmd.execute_cmd('set fwd mac')
self.vm0_testpmd.execute_cmd('start')
time.sleep(2)
self.vm1_testpmd = PmdOutput(self.vm_dut_1)
self.vm1_testpmd.start_testpmd(VM_CORES_MASK)
self.vm1_testpmd.execute_cmd('show port info all')
tx_port = self.tester.get_local_port(self.dut_ports[0])
rx_port = tx_port
dst_mac = pmd0_vf0_mac
self.tester.sendpkt_bg(tx_port, dst_mac)
#vf port stop/start can trigger reset action
for num in range(1000):
self.vm1_testpmd.execute_cmd('port stop all')
time.sleep(0.1)
self.vm1_testpmd.execute_cmd('port start all')
time.sleep(0.1)
self.tester.stop_sendpkt_bg()
pmd0_vf0_stats = self.vm0_testpmd.get_pmd_stats(port_id_0)
pmd0_vf1_stats = self.vm0_testpmd.get_pmd_stats(port_id_1)
vf0_rx_cnt = pmd0_vf0_stats['RX-packets']
self.verify(vf0_rx_cnt != 0, "no packet was received by vm0_VF0")
vf0_rx_err = pmd0_vf0_stats['RX-errors']
self.verify(vf0_rx_err == 0, "vm0_VF0 rx-errors")
vf1_tx_cnt = pmd0_vf1_stats['TX-packets']
self.verify(vf1_tx_cnt != 0, "no packet was transmitted by vm0_VF1")
vf1_tx_err = pmd0_vf1_stats['TX-errors']
self.verify(vf1_tx_err == 0, "vm0_VF0 tx-errors")
self.verify(vf0_rx_cnt == vf1_tx_cnt, "vm0_VF0 failed to forward packets to vm0_VF1 when reset vm1_VF0 frequently")
def tear_down(self):
if self.setup_2pf_2vf_1vm_env_flag == 1:
self.destroy_2pf_2vf_1vm_env()
if self.setup_3vf_2vm_env_flag == 1:
self.destroy_3vf_2vm_env()
if getattr(self, 'vm0', None):
self.vm0.stop()
if getattr(self, 'vm1', None):
self.vm1.stop()
for port_id in self.dut_ports:
self.dut.destroy_sriov_vfs_by_port(port_id)
def tear_down_all(self):
pass
|
