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# <COPYRIGHT_TAG>
import time
import sys
import utils
from scapy.utils import rdpcap
from qemu_kvm import QEMUKvm
from test_case import TestCase
from pmd_output import PmdOutput
from packet import Packet, sniff_packets, load_sniff_packets
from settings import get_nic_name
import random
VM_CORES_MASK = 'all'
PF_MAX_QUEUE = 64
VF_MAX_QUEUE = 4
class Testddp_mpls(TestCase):
def set_up_all(self):
self.verify(self.nic in ['fortville_25g'],
'ddp mpls can not support %s nic' % self.nic)
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
profile_file = r'dep/mpls.pkgo'
profile_dst = "/tmp/"
self.dut.session.copy_file_to(profile_file, profile_dst)
def set_up(self):
self.setup_vm_env()
def bind_nic_driver(self, ports, driver=""):
if driver == "igb_uio":
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='igb_uio'):
"""
Create testing environment with VF generated from 1PF
"""
if self.env_done == False:
self.bind_nic_driver(self.dut_ports[:1], driver="igb_uio")
self.used_dut_port = self.dut_ports[0]
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']
for port in self.sriov_vfs_port:
port.bind_driver('pci-stub')
time.sleep(1)
self.dut_testpmd = PmdOutput(self.dut)
time.sleep(1)
vf0_prop = {'opt_host': self.sriov_vfs_port[0].pci}
# set up VM0 ENV
self.vm0 = QEMUKvm(self.dut, 'vm0', 'ddp_mpls')
self.vm0.set_vm_device(driver='pci-assign', **vf0_prop)
try:
self.vm0_dut = self.vm0.start()
if self.vm0_dut is None:
raise Exception("Set up VM0 ENV failed!")
except Exception as e:
self.destroy_vm_env()
raise Exception(e)
self.vm0_dut_ports = self.vm0_dut.get_ports('any')
self.vm0_testpmd = PmdOutput(self.vm0_dut)
self.env_done = True
self.dut_testpmd.start_testpmd(
"Default","--port-topology=chained --txq=%s --rxq=%s"
% (PF_MAX_QUEUE, PF_MAX_QUEUE))
self.vm0_testpmd.start_testpmd(
VM_CORES_MASK,"--port-topology=chained --txq=%s --rxq=%s"
% (VF_MAX_QUEUE, VF_MAX_QUEUE))
def destroy_vm_env(self):
if getattr(self, 'vm0', None):
self.vm0_dut.kill_all()
self.vm0_testpmd = None
self.vm0_dut_ports = None
# destroy vm0
self.vm0.stop()
self.vm0 = 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']
self.used_dut_port = None
self.env_done = False
def load_profile(self):
"""
Load profile to update FVL configuration tables, profile will be
stored in binary file and need to be passed to AQ to program FVL
during initialization stage.
"""
self.dut_testpmd.execute_cmd('port stop all')
time.sleep(1)
out = self.dut_testpmd.execute_cmd('ddp get list 0')
self.verify("Profile number is: 0" in out,
"Failed to get ddp profile info list!!!")
self.dut_testpmd.execute_cmd('ddp add 0 /tmp/mpls.pkgo')
out = self.dut_testpmd.execute_cmd('ddp get list 0')
self.verify("Profile number is: 1" in out,
"Failed to load ddp profile!!!")
self.dut_testpmd.execute_cmd('port start all')
time.sleep(1)
def mpls_test(self, port='pf', pkt='udp'):
"""
Send mpls packet to dut, receive packet from configured queue.
Input: port type, packet type
"""
pkts = []
if port == 'pf':
queue = random.randint(1, PF_MAX_QUEUE - 1)
self.dut_testpmd.execute_cmd('set fwd rxonly')
self.dut_testpmd.execute_cmd('set verbose 1')
self.dut_testpmd.execute_cmd('start')
else:
queue = random.randint(1, VF_MAX_QUEUE - 1)
self.vm0_testpmd.execute_cmd('set fwd rxonly')
self.vm0_testpmd.execute_cmd('set verbose 1')
self.vm0_testpmd.execute_cmd('start')
random_label = random.randint(0x0, 0xFFFFF)
label = hex(random_label)
wrong_label = hex((random_label + 2) % int(0xFFFFF))
self.dut_testpmd.execute_cmd('flow create 0 ingress pattern eth / ipv4\
/ %s / mpls label is %s / end actions %s / queue index %d / end'
% (pkt, label, port, queue) )
for times in range(2):
if pkt == 'udp':
pkts = {'mpls/good chksum udp': 'Ether()/IP()/UDP(dport=6635)\
/MPLS(label=%s)/Ether()/IP()/TCP()'% label,
'mpls/bad chksum udp': 'Ether()/IP()/UDP(chksum=0x1234,\
dport=6635)/MPLS(label=%s)/Ether()/IP()/TCP()'% label }
else:
pkts = {'mpls/good chksum gre': 'Ether()/IP(proto=47)/GRE(proto=0x8847)\
/MPLS(label=%s)/Ether()/IP()/UDP()'% label,
'mpls/bad chksum gre': 'Ether()/IP(proto=47)/GRE(chksum=0x1234,\
proto=0x8847)/MPLS(label=%s)/Ether()/IP()/UDP()'% label }
for packet_type in pkts.keys():
self.tester.scapy_append('sendp([%s], iface="%s")'
% (pkts[packet_type], self.tester_intf))
self.tester.scapy_execute()
if port == 'pf':
out = self.dut.get_session_output(timeout=2)
else:
out = self.vm0_dut.get_session_output(timeout=2)
self.verify("port 0/queue %d" % queue in out,
"Failed to receive packet in this queue!!!")
self.verify("PKT_RX_L4_CKSUM_GOOD" in out,"Failed to check CKSUM!!!")
label = wrong_label
queue = 0
def test_load_ddp(self):
"""
Load profile to update FVL configuration tables.
"""
self.load_profile()
def test_mpls_udp_pf(self):
"""
MPLS is supported by NVM with profile updated. Send mpls udp packet to PF,
check PF could receive packet using configured queue, checksum is good.
"""
self.load_profile()
self.mpls_test(port='pf', pkt='udp')
def test_mpls_gre_pf(self):
"""
MPLS is supported by NVM with profile updated. Send mpls gre packet to PF,
check PF could receive packet using configured queue, checksum is good.
"""
self.load_profile()
self.mpls_test(port='pf', pkt='gre')
def test_mpls_udp_vf(self):
"""
MPLS is supported by NVM with profile updated. Send mpls udp packet to VF,
check VF could receive packet using configured queue, checksum is good.
"""
self.load_profile()
self.mpls_test(port='vf id 0', pkt='udp')
def test_mpls_gre_vf(self):
"""
MPLS is supported by NVM with profile updated. Send mpls gre packet to VF,
check VF could receive packet using configured queue, checksum is good.
"""
self.load_profile()
self.mpls_test(port='vf id 0', pkt='gre')
def tear_down(self):
if self.vm0_testpmd:
self.dut_testpmd.execute_cmd('write reg 0 0xb8190 1')
self.dut_testpmd.execute_cmd('write reg 0 0xb8190 2')
self.vm0_testpmd.quit()
self.dut_testpmd.quit()
self.vm0_dut.kill_all()
pass
def tear_down_all(self):
self.destroy_vm_env()
pass
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