from scapy.packet import Raw
from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
+from scapy.layers.inet6 import ipv6nh, IPerror6
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 vpp_interface import VppInterface
from vpp_ip import DpoProto
from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto
+from vpp_vxlan_tunnel import VppVxlanTunnel
from socket import AF_INET, AF_INET6, inet_pton
from util import reassemble4
@classmethod
def setUpClass(self):
super(TestGSO, self).setUpClass()
+ res = self.create_pg_interfaces(range(2))
+ res_gso = self.create_pg_interfaces(range(2, 4), 1, 1460)
+ self.create_pg_interfaces(range(4, 5), 1, 8940)
+ self.pg_interfaces.append(res[0])
+ self.pg_interfaces.append(res[1])
+ self.pg_interfaces.append(res_gso[0])
+ self.pg_interfaces.append(res_gso[1])
@classmethod
def tearDownClass(self):
def setUp(self):
super(TestGSO, self).setUp()
+ 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.single_tunnel_bd = 10
+ self.vxlan = VppVxlanTunnel(self, src=self.pg0.local_ip4,
+ dst=self.pg0.remote_ip4,
+ vni=self.single_tunnel_bd)
+ self.vxlan.add_vpp_config()
+
+ self.vxlan2 = VppVxlanTunnel(self, src=self.pg0.local_ip6,
+ dst=self.pg0.remote_ip6,
+ vni=self.single_tunnel_bd)
+ self.vxlan2.add_vpp_config()
def tearDown(self):
super(TestGSO, self).tearDown()
#
# 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') /
# 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') /
self.assertEqual(rx[TCP].sport, 1234)
self.assertEqual(rx[TCP].dport, 1234)
+ #
+ # ipv6
+ #
+ p61 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
+ IPv6(src=self.pg2.remote_ip6, dst=self.pg3.remote_ip6) /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ rxs = self.send_and_expect(self.pg2, [p61], 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[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg3.remote_ip6)
+ self.assertEqual(rx[IPv6].plen, 65220) # 65200 + 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()
-
- self.vapi.feature_gso_enable_disable(self.pg4.sw_if_index)
+ self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index)
p42 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
- IP(src=self.pg2.remote_ip4, dst=self.pg4.remote_ip4,
+ IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4,
flags='DF') /
TCP(sport=1234, dport=1234) /
Raw(b'\xa5' * 65200))
- rxs = self.send_and_expect(self.pg2, [p42], self.pg4, 45)
+ rxs = self.send_and_expect(self.pg2, [p42], self.pg0, 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[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
- self.assertEqual(rx[IP].dst, self.pg4.remote_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.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)
+ #
+ # ipv6
+ #
+ p62 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
+ IPv6(src=self.pg2.remote_ip6, dst=self.pg0.remote_ip6) /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ rxs = self.send_and_expect(self.pg2, [p62], self.pg0, 45)
+ size = 0
+ 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[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(rx[TCP].sport, 1234)
+ self.assertEqual(rx[TCP].dport, 1234)
+
+ size = rxs[44][TCP].seq + rxs[44][IPv6].plen - 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])
+ self.vapi.feature_gso_enable_disable(self.pg1.sw_if_index)
p43 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
IP(src=self.pg2.remote_ip4, dst=self.pg1.remote_ip4) /
size -= 20 # TCP header
self.assertEqual(size, 65200)
+ #
+ # IPv6
+ # Send jumbo frame with gso enabled only on input interface.
+ # ICMPv6 Packet Too Big will be sent back to sender.
+ #
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1280, 0, 0, 0])
+ p63 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
+ IPv6(src=self.pg2.remote_ip6, dst=self.pg1.remote_ip6) /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ rxs = self.send_and_expect(self.pg2, [p63], self.pg2, 1)
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg2.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg2.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg2.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPv6].plen, 1240) # MTU - IPv6 header
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "ICMPv6")
+ self.assertEqual(rx[ICMPv6PacketTooBig].mtu, 1280)
+ self.assertEqual(rx[IPerror6].src, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPerror6].dst, self.pg1.remote_ip6)
+ self.assertEqual(rx[IPerror6].plen - 20, 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.
+ # and DF bit is unset. GSO packet will be fragmented. MSS is 8960. GSO
+ # size will be min(MSS, 2048 - 14 - 20) vlib_buffer_t size
#
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])
- self.vapi.feature_gso_enable_disable(self.pg1.sw_if_index)
- p44 = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
- IP(src=self.pg5.remote_ip4, dst=self.pg1.remote_ip4) /
+ self.vapi.sw_interface_set_mtu(self.pg4.sw_if_index, [9000, 0, 0, 0])
+ p44 = (Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac) /
+ IP(src=self.pg4.remote_ip4, dst=self.pg1.remote_ip4) /
TCP(sport=1234, dport=1234) /
Raw(b'\xa5' * 65200))
self.pg1.enable_capture()
- rxs = self.send_and_expect(self.pg5, [p44], self.pg1, 33)
+ rxs = self.send_and_expect(self.pg4, [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].src, self.pg4.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)
+ #
+ # IPv6
+ #
+ p64 = (Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac) /
+ IPv6(src=self.pg4.remote_ip6, dst=self.pg1.remote_ip6) /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ self.pg1.enable_capture()
+ rxs = self.send_and_expect(self.pg4, [p64], self.pg1, 34)
+ 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[IPv6].src, self.pg4.remote_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg1.remote_ip6)
+ size = rxs[33][TCP].seq + rxs[33][IPv6].plen - 20
+ self.assertEqual(size, 65200)
+
+ def test_gso_vxlan(self):
+ """ GSO VXLAN test """
+ self.logger.info(self.vapi.cli("sh int addr"))
+ #
+ # Send jumbo frame with gso enabled only on input interface and
+ # create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg2
+ # into BD.
+ #
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.vxlan.sw_if_index, bd_id=self.single_tunnel_bd)
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.pg2.sw_if_index, bd_id=self.single_tunnel_bd)
+ self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index)
+
+ #
+ # IPv4/IPv4 - VXLAN
+ #
+ p45 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") /
+ IP(src=self.pg2.remote_ip4, dst="172.16.3.3", flags='DF') /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ self.pg0.enable_capture()
+ rxs = self.send_and_expect(self.pg2, [p45], self.pg0, 45)
+ size = 0
+ 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[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.3.3")
+ size += inner[IP].len - 20 - 20
+ self.assertEqual(size, 65200)
+
+ #
+ # IPv4/IPv6 - VXLAN
+ #
+ p65 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") /
+ IPv6(src=self.pg2.remote_ip6, dst="fd01:3::3") /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ self.pg0.enable_capture()
+ rxs = self.send_and_expect(self.pg2, [p65], self.pg0, 45)
+ size = 0
+ 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[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:3::3")
+ size += inner[IPv6].plen - 20
+ self.assertEqual(size, 65200)
+
+ #
+ # disable ipv4/vxlan
+ #
+ self.vxlan.remove_vpp_config()
+
+ #
+ # enable ipv6/vxlan
+ #
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.vxlan2.sw_if_index,
+ bd_id=self.single_tunnel_bd)
+
+ #
+ # IPv6/IPv4 - VXLAN
+ #
+ p46 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") /
+ IP(src=self.pg2.remote_ip4, dst="172.16.3.3", flags='DF') /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ self.pg0.enable_capture()
+ rxs = self.send_and_expect(self.pg2, [p46], self.pg0, 45)
+ size = 0
+ 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[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(rx[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.3.3")
+ size += inner[IP].len - 20 - 20
+ self.assertEqual(size, 65200)
+
+ #
+ # IPv6/IPv6 - VXLAN
+ #
+ p66 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") /
+ IPv6(src=self.pg2.remote_ip6, dst="fd01:3::3") /
+ TCP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 65200))
+
+ self.pg0.enable_capture()
+ rxs = self.send_and_expect(self.pg2, [p66], self.pg0, 45)
+ size = 0
+ 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[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(rx[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:3::3")
+ size += inner[IPv6].plen - 20
+ self.assertEqual(size, 65200)
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff