From 84f91fa9c54f82c54b58ea3bf6e9ba22ff735d3a Mon Sep 17 00:00:00 2001 From: Mohsin Kazmi Date: Thu, 23 Apr 2020 17:59:49 +0200 Subject: gso: add support for IP-IP Type: feature Change-Id: I37752af8496e0042a1da91124f3d94216b39ff11 Signed-off-by: Mohsin Kazmi --- test/test_gso.py | 205 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 199 insertions(+), 6 deletions(-) (limited to 'test') diff --git a/test/test_gso.py b/test/test_gso.py index c5e537c91bd..71766b6d8ba 100644 --- a/test/test_gso.py +++ b/test/test_gso.py @@ -22,6 +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_ipip_tun_interface import VppIpIpTunInterface from vpp_vxlan_tunnel import VppVxlanTunnel from socket import AF_INET, AF_INET6, inet_pton from util import reassemble4 @@ -67,12 +68,15 @@ class TestGSO(VppTestCase): 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() + + self.ipip4 = VppIpIpTunInterface(self, self.pg0, self.pg0.local_ip4, + self.pg0.remote_ip4) + self.ipip6 = VppIpIpTunInterface(self, self.pg0, self.pg0.local_ip6, + self.pg0.remote_ip6) def tearDown(self): super(TestGSO, self).tearDown() @@ -286,6 +290,11 @@ class TestGSO(VppTestCase): # create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg2 # into BD. # + + # + # enable ipv4/vxlan + # + self.vxlan.add_vpp_config() 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( @@ -300,7 +309,6 @@ class TestGSO(VppTestCase): 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: @@ -325,7 +333,6 @@ class TestGSO(VppTestCase): 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: @@ -350,6 +357,7 @@ class TestGSO(VppTestCase): # # enable ipv6/vxlan # + self.vxlan2.add_vpp_config() self.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=self.vxlan2.sw_if_index, bd_id=self.single_tunnel_bd) @@ -362,7 +370,6 @@ class TestGSO(VppTestCase): 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: @@ -387,7 +394,6 @@ class TestGSO(VppTestCase): 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: @@ -404,5 +410,192 @@ class TestGSO(VppTestCase): size += inner[IPv6].plen - 20 self.assertEqual(size, 65200) + # + # disable ipv4/vxlan + # + self.vxlan2.remove_vpp_config() + + def test_gso_ipip(self): + """ GSO IPIP test """ + self.logger.info(self.vapi.cli("sh int addr")) + # + # Send jumbo frame with gso enabled only on input interface and + # create IPIP tunnel on VPP pg0. + # + self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index) + + # + # enable ipip4 + # + self.ipip4.add_vpp_config() + + # Set interface up and enable IP on it + self.ipip4.admin_up() + self.ipip4.set_unnumbered(self.pg0.sw_if_index) + + # Add IPv4 routes via tunnel interface + self.ip4_via_ip4_tunnel = VppIpRoute( + self, "172.16.10.0", 24, + [VppRoutePath("0.0.0.0", + self.ipip4.sw_if_index, + proto=FibPathProto.FIB_PATH_NH_PROTO_IP4)]) + self.ip4_via_ip4_tunnel.add_vpp_config() + + # + # IPv4/IPv4 - IPIP + # + p47 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") / + IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags='DF') / + TCP(sport=1234, dport=1234) / + Raw(b'\xa5' * 65200)) + + rxs = self.send_and_expect(self.pg2, [p47], 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[IP].proto, 4) # ipencap + inner = rx[IP].payload + self.assertEqual(inner[IP].src, self.pg2.remote_ip4) + self.assertEqual(inner[IP].dst, "172.16.10.3") + size += inner[IP].len - 20 - 20 + self.assertEqual(size, 65200) + + self.ip6_via_ip4_tunnel = VppIpRoute( + self, "fd01:10::", 64, + [VppRoutePath("::", + self.ipip4.sw_if_index, + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)]) + self.ip6_via_ip4_tunnel.add_vpp_config() + # + # IPv4/IPv6 - IPIP + # + p67 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") / + IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3") / + TCP(sport=1234, dport=1234) / + Raw(b'\xa5' * 65200)) + + rxs = self.send_and_expect(self.pg2, [p67], 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[IP].proto, 41) # ipv6 + inner = rx[IP].payload + self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6) + self.assertEqual(inner[IPv6].dst, "fd01:10::3") + size += inner[IPv6].plen - 20 + self.assertEqual(size, 65200) + + # + # Send jumbo frame with gso enabled only on input interface and + # create IPIP tunnel on VPP pg0. Enable gso feature node on ipip + # tunnel - IPSec use case + # + self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index, 0) + self.vapi.feature_gso_enable_disable(self.ipip4.sw_if_index) + + rxs = self.send_and_expect(self.pg2, [p47], 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[IP].proto, 4) # ipencap + inner = rx[IP].payload + self.assertEqual(inner[IP].src, self.pg2.remote_ip4) + self.assertEqual(inner[IP].dst, "172.16.10.3") + size += inner[IP].len - 20 - 20 + self.assertEqual(size, 65200) + + # + # disable ipip4 + # + self.vapi.feature_gso_enable_disable(self.ipip4.sw_if_index, 0) + self.ip4_via_ip4_tunnel.remove_vpp_config() + self.ip6_via_ip4_tunnel.remove_vpp_config() + self.ipip4.remove_vpp_config() + + # + # enable ipip6 + # + self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index) + self.ipip6.add_vpp_config() + + # Set interface up and enable IP on it + self.ipip6.admin_up() + self.ipip6.set_unnumbered(self.pg0.sw_if_index) + + # Add IPv4 routes via tunnel interface + self.ip4_via_ip6_tunnel = VppIpRoute( + self, "172.16.10.0", 24, + [VppRoutePath("0.0.0.0", + self.ipip6.sw_if_index, + proto=FibPathProto.FIB_PATH_NH_PROTO_IP4)]) + self.ip4_via_ip6_tunnel.add_vpp_config() + + # + # IPv6/IPv4 - IPIP + # + p48 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") / + IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags='DF') / + TCP(sport=1234, dport=1234) / + Raw(b'\xa5' * 65200)) + + rxs = self.send_and_expect(self.pg2, [p48], 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(ipv6nh[rx[IPv6].nh], "IP") + inner = rx[IPv6].payload + self.assertEqual(inner[IP].src, self.pg2.remote_ip4) + self.assertEqual(inner[IP].dst, "172.16.10.3") + size += inner[IP].len - 20 - 20 + self.assertEqual(size, 65200) + + self.ip6_via_ip6_tunnel = VppIpRoute( + self, "fd01:10::", 64, + [VppRoutePath("::", + self.ipip6.sw_if_index, + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)]) + self.ip6_via_ip6_tunnel.add_vpp_config() + + # + # IPv6/IPv6 - IPIP + # + p68 = (Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79") / + IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3") / + TCP(sport=1234, dport=1234) / + Raw(b'\xa5' * 65200)) + + rxs = self.send_and_expect(self.pg2, [p68], 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(ipv6nh[rx[IPv6].nh], "IPv6") + inner = rx[IPv6].payload + self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6) + self.assertEqual(inner[IPv6].dst, "fd01:10::3") + size += inner[IPv6].plen - 20 + self.assertEqual(size, 65200) + + # + # disable ipip6 + # + self.ip4_via_ip6_tunnel.remove_vpp_config() + self.ip6_via_ip6_tunnel.remove_vpp_config() + self.ipip6.remove_vpp_config() + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) -- cgit 1.2.3-korg