404e24de56
Type: fix Ticket: VPP-1751 Change-Id: I5ffb078492adc97374290de404f2ec0102b75184 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> (cherry picked from commit 3f1964d2d2847c5307694fe8daea0a7eef1e2733)
207 lines
7.2 KiB
Python
207 lines
7.2 KiB
Python
#!/usr/bin/env python
|
|
"""GSO functional tests"""
|
|
|
|
#
|
|
# Add tests for:
|
|
# - GSO
|
|
# - Verify that sending Jumbo frame without GSO enabled correctly
|
|
# - Verify that sending Jumbo frame with GSO enabled correctly
|
|
# - Verify that sending Jumbo frame with GSO enabled only on ingress interface
|
|
#
|
|
import unittest
|
|
|
|
from scapy.packet import Raw
|
|
from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
|
|
from scapy.layers.inet import TCP, ICMP
|
|
from scapy.layers.vxlan import VXLAN
|
|
from scapy.data import ETH_P_IP, ETH_P_IPV6, ETH_P_ARP
|
|
|
|
from framework import VppTestCase, VppTestRunner
|
|
from vpp_object import VppObject
|
|
from vpp_interface import VppInterface
|
|
from vpp_ip import DpoProto
|
|
from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto
|
|
from socket import AF_INET, AF_INET6, inet_pton
|
|
from util import reassemble4
|
|
|
|
|
|
""" Test_gso is a subclass of VPPTestCase classes.
|
|
GSO tests.
|
|
"""
|
|
|
|
|
|
class TestGSO(VppTestCase):
|
|
""" GSO Test Case """
|
|
|
|
def __init__(self, *args):
|
|
VppTestCase.__init__(self, *args)
|
|
|
|
@classmethod
|
|
def setUpClass(self):
|
|
super(TestGSO, self).setUpClass()
|
|
|
|
@classmethod
|
|
def tearDownClass(self):
|
|
super(TestGSO, self).tearDownClass()
|
|
|
|
def setUp(self):
|
|
super(TestGSO, self).setUp()
|
|
|
|
def tearDown(self):
|
|
super(TestGSO, self).tearDown()
|
|
if not self.vpp_dead:
|
|
for i in self.pg_interfaces:
|
|
i.unconfig_ip4()
|
|
i.unconfig_ip6()
|
|
i.admin_down()
|
|
|
|
def test_gso(self):
|
|
""" GSO test """
|
|
#
|
|
# Send jumbo frame with gso disabled and DF bit is set
|
|
#
|
|
self.create_pg_interfaces(range(2))
|
|
for i in self.pg_interfaces:
|
|
i.admin_up()
|
|
i.config_ip4()
|
|
i.config_ip6()
|
|
i.disable_ipv6_ra()
|
|
i.resolve_arp()
|
|
i.resolve_ndp()
|
|
|
|
p4 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
|
|
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4,
|
|
flags='DF') /
|
|
TCP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 65200))
|
|
|
|
rxs = self.send_and_expect(self.pg0, [p4], self.pg0)
|
|
|
|
for rx in rxs:
|
|
self.assertEqual(rx[Ether].src, self.pg0.local_mac)
|
|
self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
|
|
self.assertEqual(rx[IP].src, self.pg0.local_ip4)
|
|
self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
|
|
self.assertEqual(rx[ICMP].type, 3) # "dest-unreach"
|
|
self.assertEqual(rx[ICMP].code, 4) # "fragmentation-needed"
|
|
|
|
#
|
|
# Send jumbo frame with gso enabled and DF bit is set
|
|
# input and output interfaces support GSO
|
|
#
|
|
self.create_pg_interfaces(range(2, 4), 1, 1460)
|
|
for i in self.pg_interfaces:
|
|
i.admin_up()
|
|
i.config_ip4()
|
|
i.config_ip6()
|
|
i.disable_ipv6_ra()
|
|
i.resolve_arp()
|
|
i.resolve_ndp()
|
|
|
|
p41 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
|
|
IP(src=self.pg2.remote_ip4, dst=self.pg3.remote_ip4,
|
|
flags='DF') /
|
|
TCP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 65200))
|
|
|
|
rxs = self.send_and_expect(self.pg2, [p41], self.pg3)
|
|
|
|
for rx in rxs:
|
|
self.assertEqual(rx[Ether].src, self.pg3.local_mac)
|
|
self.assertEqual(rx[Ether].dst, self.pg3.remote_mac)
|
|
self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
|
|
self.assertEqual(rx[IP].dst, self.pg3.remote_ip4)
|
|
self.assertEqual(rx[IP].len, 65240) # 65200 + 20 (IP) + 20 (TCP)
|
|
self.assertEqual(rx[TCP].sport, 1234)
|
|
self.assertEqual(rx[TCP].dport, 1234)
|
|
|
|
#
|
|
# Send jumbo frame with gso enabled only on input interface
|
|
# and DF bit is set. GSO packet will be chunked into gso_size
|
|
# data payload
|
|
#
|
|
self.create_pg_interfaces(range(4, 5))
|
|
for i in self.pg_interfaces:
|
|
i.admin_up()
|
|
i.config_ip4()
|
|
i.config_ip6()
|
|
i.disable_ipv6_ra()
|
|
i.resolve_arp()
|
|
i.resolve_ndp()
|
|
|
|
p42 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
|
|
IP(src=self.pg2.remote_ip4, dst=self.pg4.remote_ip4,
|
|
flags='DF') /
|
|
TCP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 65200))
|
|
|
|
rxs = self.send_and_expect(self.pg2, [p42], self.pg4, 45)
|
|
size = 0
|
|
for rx in rxs:
|
|
self.assertEqual(rx[Ether].src, self.pg4.local_mac)
|
|
self.assertEqual(rx[Ether].dst, self.pg4.remote_mac)
|
|
self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
|
|
self.assertEqual(rx[IP].dst, self.pg4.remote_ip4)
|
|
self.assertEqual(rx[TCP].sport, 1234)
|
|
self.assertEqual(rx[TCP].dport, 1234)
|
|
|
|
size = rxs[44][TCP].seq + rxs[44][IP].len - 20 - 20
|
|
self.assertEqual(size, 65200)
|
|
|
|
#
|
|
# Send jumbo frame with gso enabled only on input interface
|
|
# and DF bit is unset. GSO packet will be fragmented.
|
|
#
|
|
self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [576, 0, 0, 0])
|
|
|
|
p43 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
|
|
IP(src=self.pg2.remote_ip4, dst=self.pg1.remote_ip4) /
|
|
TCP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 65200))
|
|
|
|
rxs = self.send_and_expect(self.pg2, [p43], self.pg1, 119)
|
|
size = 0
|
|
for rx in rxs:
|
|
self.assertEqual(rx[Ether].src, self.pg1.local_mac)
|
|
self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
|
|
self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
|
|
self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
|
|
size += rx[IP].len - 20
|
|
size -= 20 # TCP header
|
|
self.assertEqual(size, 65200)
|
|
|
|
#
|
|
# Send jumbo frame with gso enabled only on input interface with 9K MTU
|
|
# and DF bit is unset. GSO packet will be fragmented. GSO size will be
|
|
# 8960.
|
|
#
|
|
self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [9000, 0, 0, 0])
|
|
self.create_pg_interfaces(range(5, 6), 1, 8960)
|
|
for i in self.pg_interfaces:
|
|
i.admin_up()
|
|
i.config_ip4()
|
|
i.config_ip6()
|
|
i.disable_ipv6_ra()
|
|
i.resolve_arp()
|
|
i.resolve_ndp()
|
|
|
|
self.vapi.sw_interface_set_mtu(self.pg5.sw_if_index, [9000, 0, 0, 0])
|
|
p44 = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
|
|
IP(src=self.pg5.remote_ip4, dst=self.pg1.remote_ip4) /
|
|
TCP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 65200))
|
|
|
|
self.pg1.enable_capture()
|
|
rxs = self.send_and_expect(self.pg5, [p44], self.pg1, 33)
|
|
size = 0
|
|
for rx in rxs:
|
|
self.assertEqual(rx[Ether].src, self.pg1.local_mac)
|
|
self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
|
|
self.assertEqual(rx[IP].src, self.pg5.remote_ip4)
|
|
self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
|
|
size = rxs[32][TCP].seq + rxs[32][IP].len - 20 - 20
|
|
self.assertEqual(size, 65200)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(testRunner=VppTestRunner)
|