diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_gso.py | 300 |
1 files changed, 250 insertions, 50 deletions
diff --git a/test/test_gso.py b/test/test_gso.py index 06ae7dd2f48..c5e537c91bd 100644 --- a/test/test_gso.py +++ b/test/test_gso.py @@ -12,6 +12,7 @@ import unittest 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 @@ -21,6 +22,7 @@ from vpp_object import VppObject 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 @@ -39,6 +41,13 @@ class TestGSO(VppTestCase): @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): @@ -46,6 +55,24 @@ class TestGSO(VppTestCase): 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() @@ -60,15 +87,6 @@ class TestGSO(VppTestCase): # # 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') / @@ -89,15 +107,6 @@ class TestGSO(VppTestCase): # 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') / @@ -116,33 +125,43 @@ class TestGSO(VppTestCase): 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) @@ -150,10 +169,32 @@ class TestGSO(VppTestCase): 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) / @@ -172,37 +213,196 @@ class TestGSO(VppTestCase): 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) |