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|
# <COPYRIGHT_TAG>
import re
import time
import utils
from qemu_kvm import QEMUKvm
from test_case import TestCase
from pmd_output import PmdOutput
from settings import HEADER_SIZE
from packet import Packet
from utils import RED
VM_CORES_MASK = 'all'
ETHER_STANDARD_MTU = 1518
ETHER_JUMBO_FRAME_MTU = 9000
class TestVfJumboFrame(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.env_done = False
self.port = self.dut_ports[0]
self.vm_port = 0
cores = self.dut.get_core_list("1S/1C/1T")
self.port_mask = utils.create_mask([self.port])
# enable tester mtu
tester_port = self.tester.get_local_port(self.port)
self.netobj = self.tester.ports_info[tester_port]['port']
self.netobj.enable_jumbo(framesize=ETHER_JUMBO_FRAME_MTU + 100)
def set_up(self):
self.setup_vm_env()
def bind_nic_driver(self, ports, driver=""):
# modprobe vfio driver
if driver == "vfio-pci":
for port in ports:
netdev = self.dut.ports_info[port]['port']
driver = netdev.get_nic_driver()
if driver != 'vfio-pci':
netdev.bind_driver(driver='vfio-pci')
elif driver == "igb_uio":
# igb_uio should insmod as default, no need to check
for port in ports:
netdev = self.dut.ports_info[port]['port']
driver = netdev.get_nic_driver()
if driver != 'igb_uio':
netdev.bind_driver(driver='igb_uio')
else:
for port in ports:
netdev = self.dut.ports_info[port]['port']
driver_now = netdev.get_nic_driver()
if driver == "":
driver = netdev.default_driver
if driver != driver_now:
netdev.bind_driver(driver=driver)
def setup_vm_env(self, driver='default'):
"""
Create testing environment with 1VF generated from 1PF
"""
if self.env_done:
return
# bind to default driver
self.bind_nic_driver(self.dut_ports[:1], driver="")
self.used_dut_port = self.dut_ports[0]
self.host_intf = self.dut.ports_info[self.used_dut_port]['intf']
tester_port = self.tester.get_local_port(self.used_dut_port)
self.tester_intf = self.tester.get_interface(tester_port)
self.dut.generate_sriov_vfs_by_port(
self.used_dut_port, 1, driver=driver)
self.sriov_vfs_port = self.dut.ports_info[
self.used_dut_port]['vfs_port']
self.vf_mac = "00:10:00:00:00:00"
self.dut.send_expect("ip link set %s vf 0 mac %s" %
(self.host_intf, self.vf_mac), "# ")
try:
for port in self.sriov_vfs_port:
port.bind_driver('pci-stub')
time.sleep(1)
vf_popt = {'opt_host': self.sriov_vfs_port[0].pci}
# set up VM ENV
self.vm = QEMUKvm(self.dut, 'vm0', 'vf_jumboframe')
self.vm.set_vm_device(driver='pci-assign', **vf_popt)
self.vm_dut = self.vm.start()
if self.vm_dut is None:
raise Exception("Set up VM ENV failed!")
TESTPMD_MAIN = "app/test-pmd/testpmd.c"
if self.kdriver == "ixgbe":
self.vm_dut.send_expect("sed -i -e 's/.jumbo_frame = .*$/.jumbo_frame = 1,/g' %s" % TESTPMD_MAIN, "# ")
self.vm_dut.build_install_dpdk(self.target)
self.vm_testpmd = PmdOutput(self.vm_dut)
except Exception as e:
self.destroy_vm_env()
raise Exception(e)
self.env_done = True
def destroy_vm_env(self):
if getattr(self, 'vm', None):
self.vm_dut.kill_all()
self.vm_testpmd = None
self.vm_dut_ports = None
# destroy vm0
self.vm.stop()
self.vm = None
if getattr(self, 'used_dut_port', None):
self.dut.destroy_sriov_vfs_by_port(self.used_dut_port)
self.used_dut_port = None
self.bind_nic_driver(self.dut_ports[:1], driver="igb_uio")
self.env_done = False
def jumboframes_get_stat(self, portid, rx_tx):
"""
Get packets number from port statistic
"""
stats = self.vm_testpmd.get_pmd_stats(portid)
if rx_tx == "rx":
return [stats['RX-packets'], stats['RX-errors'], stats['RX-bytes']]
elif rx_tx == "tx":
return [stats['TX-packets'], stats['TX-errors'], stats['TX-bytes']]
else:
return None
def jumboframes_send_packet(self, pktsize, received=True):
"""
Send 1 packet to portid
"""
tx_pkts_ori, _, tx_bytes_ori = [int(_) for _ in self.jumboframes_get_stat(self.vm_port, "tx")]
rx_pkts_ori, rx_err_ori, rx_bytes_ori = [int(_) for _ in self.jumboframes_get_stat(self.vm_port, "rx")]
mac = self.vm_dut.get_mac_address(self.vm_port)
pkt = Packet(pkt_type='UDP', pkt_len=pktsize)
pkt.config_layer('ether', {'dst': mac})
pkt.send_pkt(tx_port=self.tester_intf)
time.sleep(1)
tx_pkts, _, tx_bytes = [int(_) for _ in self.jumboframes_get_stat(self.port, "tx")]
rx_pkts, rx_err, rx_bytes = [int(_) for _ in self.jumboframes_get_stat(self.vm_port, "rx")]
tx_pkts -= tx_pkts_ori
tx_bytes -= tx_bytes_ori
rx_pkts -= rx_pkts_ori
rx_bytes -= rx_bytes_ori
rx_err -= rx_err_ori
if received:
self.verify((rx_pkts == 1) and (tx_pkts == 1), "Packet forward assert error")
if self.kdriver == "ixgbe":
self.verify((rx_bytes + 4) == pktsize, "Rx packet size should be packet size - 4")
else:
self.verify(rx_bytes == pktsize, "Tx packet size should be equal to packet size")
self.verify((tx_bytes + 4) == pktsize, "Tx packet size should be packet size - 4")
else:
self.verify(rx_err == 1 or tx_pkts == 0, "Packet drop assert error")
def test_vf_normal_nojumbo(self):
"""
This case aims to test transmitting normal size packet without jumbo enable
"""
# should enable jumbo on host
if self.kdriver == "ixgbe":
self.dutobj = self.dut.ports_info[self.port]['port']
self.dutobj.enable_jumbo(framesize=ETHER_STANDARD_MTU)
time.sleep(2)
if self.kdriver == "i40e":
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%d --port-topology=loop --crc-strip --txqflags=0x0" % (ETHER_STANDARD_MTU))
else:
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%d --port-topology=loop --txqflags=0x0" % (ETHER_STANDARD_MTU))
self.vm_testpmd.execute_cmd("set fwd mac")
self.vm_testpmd.execute_cmd("start")
self.jumboframes_send_packet(ETHER_STANDARD_MTU - 1)
self.jumboframes_send_packet(ETHER_STANDARD_MTU)
self.vm_testpmd.execute_cmd("stop")
self.vm_testpmd.quit()
def test_vf_normal_withjumbo(self):
"""
When jumbo frame supported, this case is to verify that the normal size
packet forwrding should be support correct.
"""
# should enable jumbo on host
if self.kdriver == "ixgbe":
self.dutobj = self.dut.ports_info[self.port]['port']
self.dutobj.enable_jumbo(framesize=ETHER_JUMBO_FRAME_MTU)
time.sleep(2)
if self.kdriver == "i40e":
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%d --port-topology=loop --crc-strip --txqflags=0x0" % (ETHER_JUMBO_FRAME_MTU))
else:
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%s --port-topology=loop --txqflags=0x0" % (ETHER_JUMBO_FRAME_MTU))
self.vm_testpmd.execute_cmd("set fwd mac")
self.vm_testpmd.execute_cmd("start")
self.jumboframes_send_packet(ETHER_STANDARD_MTU - 1)
self.jumboframes_send_packet(ETHER_STANDARD_MTU)
self.vm_testpmd.execute_cmd("stop")
self.vm_testpmd.quit()
def test_vf_jumbo_nojumbo(self):
"""
This case aims to test transmitting jumbo frame packet on testpmd without
jumbo frame support.
"""
# should enable jumbo on host
if self.kdriver == "ixgbe":
self.dutobj = self.dut.ports_info[self.port]['port']
self.dutobj.enable_jumbo(framesize=ETHER_STANDARD_MTU)
time.sleep(2)
if self.kdriver == "i40e":
self.vm_testpmd.start_testpmd("Default", "--port-topology=loop --crc-strip --txqflags=0x0" )
else:
self.vm_testpmd.start_testpmd("Default", "--port-topology=loop --txqflags=0x0")
self.vm_testpmd.execute_cmd("set fwd mac")
self.vm_testpmd.execute_cmd("start")
self.jumboframes_send_packet(ETHER_STANDARD_MTU + 1, False)
self.vm_testpmd.execute_cmd("stop")
self.vm_testpmd.quit()
def test_vf_jumbo_withjumbo(self):
"""
When jumbo frame supported, this case is to verify that jumbo frame
packet can be forwarded correct.
"""
# should enable jumbo on host
if self.kdriver == "ixgbe":
self.dutobj = self.dut.ports_info[self.port]['port']
self.dutobj.enable_jumbo(framesize=ETHER_JUMBO_FRAME_MTU)
time.sleep(2)
if self.kdriver == "i40e":
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%d --port-topology=loop --crc-strip --txqflags=0x0" % (ETHER_JUMBO_FRAME_MTU))
else:
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%s --port-topology=loop --txqflags=0x0" % (ETHER_JUMBO_FRAME_MTU))
self.vm_testpmd.execute_cmd("set fwd mac")
self.vm_testpmd.execute_cmd("start")
self.jumboframes_send_packet(ETHER_STANDARD_MTU + 1)
self.jumboframes_send_packet(ETHER_JUMBO_FRAME_MTU - 1)
self.jumboframes_send_packet(ETHER_JUMBO_FRAME_MTU)
self.vm_testpmd.execute_cmd("stop")
self.vm_testpmd.quit()
def test_vf_jumbo_overjumbo(self):
"""
When the jubmo frame MTU set as 9000, this case is to verify that the
packet which the length bigger than MTU can not be forwarded.
"""
# should enable jumbo on host
if self.kdriver == "ixgbe":
self.dutobj = self.dut.ports_info[self.port]['port']
self.dutobj.enable_jumbo(framesize=ETHER_JUMBO_FRAME_MTU)
time.sleep(2)
if self.kdriver == "i40e":
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%d --port-topology=loop --crc-strip --txqflags=0x0" % (ETHER_JUMBO_FRAME_MTU))
else:
self.vm_testpmd.start_testpmd("Default", "--max-pkt-len=%s --port-topology=loop --txqflags=0x0" % (ETHER_JUMBO_FRAME_MTU))
self.vm_testpmd.execute_cmd("set fwd mac")
self.vm_testpmd.execute_cmd("start")
self.jumboframes_send_packet(ETHER_JUMBO_FRAME_MTU + 1, False)
self.vm_testpmd.execute_cmd("stop")
self.vm_testpmd.quit()
def tear_down(self):
"""
Run after each test case.
"""
self.vm_dut.kill_all()
pass
def tear_down_all(self):
"""
When the case of this test suite finished, the enviroment should
clear up.
"""
self.destroy_vm_env()
self.netobj.enable_jumbo(framesize=ETHER_STANDARD_MTU)
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