diff options
Diffstat (limited to 'test/test_geneve.py')
| -rw-r--r-- | test/test_geneve.py | 180 |
1 files changed, 104 insertions, 76 deletions
diff --git a/test/test_geneve.py b/test/test_geneve.py index 9ce1f8ff643..2b87303e710 100644 --- a/test/test_geneve.py +++ b/test/test_geneve.py @@ -1,9 +1,9 @@ #!/usr/bin/env python3 -import socket from util import ip4_range import unittest -from framework import VppTestCase, VppTestRunner +from framework import VppTestCase +from asfframework import VppTestRunner from template_bd import BridgeDomain from scapy.layers.l2 import Ether, ARP @@ -16,26 +16,27 @@ from vpp_ip import INVALID_INDEX class TestGeneve(BridgeDomain, VppTestCase): - """ GENEVE Test Case """ + """GENEVE Test Case""" def __init__(self, *args): BridgeDomain.__init__(self) VppTestCase.__init__(self, *args) def encapsulate(self, pkt, vni): - """ Encapsulate the original payload frame by adding GENEVE header with its UDP, IP and Ethernet fields """ - return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / - UDP(sport=self.dport, dport=self.dport, chksum=0) / - GENEVE(vni=vni) / - pkt) + return ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) + / UDP(sport=self.dport, dport=self.dport, chksum=0) + / GENEVE(vni=vni) + / pkt + ) def ip_range(self, start, end): - """ range of remote ip's """ + """range of remote ip's""" return ip4_range(self.pg0.remote_ip4, start, end) def encap_mcast(self, pkt, src_ip, src_mac, vni): @@ -43,11 +44,13 @@ class TestGeneve(BridgeDomain, VppTestCase): Encapsulate the original payload frame by adding GENEVE header with its UDP, IP and Ethernet fields """ - return (Ether(src=src_mac, dst=self.mcast_mac) / - IP(src=src_ip, dst=self.mcast_ip4) / - UDP(sport=self.dport, dport=self.dport, chksum=0) / - GENEVE(vni=vni) / - pkt) + return ( + Ether(src=src_mac, dst=self.mcast_mac) + / IP(src=src_ip, dst=self.mcast_ip4) + / UDP(sport=self.dport, dport=self.dport, chksum=0) + / GENEVE(vni=vni) + / pkt + ) def decapsulate(self, pkt): """ @@ -89,19 +92,20 @@ class TestGeneve(BridgeDomain, VppTestCase): ip_range_start = 10 ip_range_end = ip_range_start + n_ucast_tunnels next_hop_address = cls.pg0.remote_ip4 - for dest_ip4 in ip4_range(next_hop_address, ip_range_start, - ip_range_end): + for dest_ip4 in ip4_range(next_hop_address, ip_range_start, ip_range_end): # add host route so dest_ip4 will not be resolved - rip = VppIpRoute(cls, dest_ip4, 32, - [VppRoutePath(next_hop_address, - INVALID_INDEX)], - register=False) + rip = VppIpRoute( + cls, + dest_ip4, + 32, + [VppRoutePath(next_hop_address, INVALID_INDEX)], + register=False, + ) rip.add_vpp_config() r = cls.vapi.geneve_add_del_tunnel( - local_address=cls.pg0.local_ip4, remote_address=dest_ip4, - vni=vni) - cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, - bd_id=vni) + local_address=cls.pg0.local_ip4, remote_address=dest_ip4, vni=vni + ) + cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, bd_id=vni) @classmethod def add_del_shared_mcast_dst_load(cls, is_add): @@ -115,9 +119,12 @@ class TestGeneve(BridgeDomain, VppTestCase): for vni in range(vni_start, vni_end): r = cls.vapi.geneve_add_del_tunnel( local_address=cls.pg0.local_ip4, - remote_address=cls.mcast_ip4, mcast_sw_if_index=1, - is_add=is_add, vni=vni) - if r.sw_if_index == 0xffffffff: + remote_address=cls.mcast_ip4, + mcast_sw_if_index=1, + is_add=is_add, + vni=vni, + ) + if r.sw_if_index == 0xFFFFFFFF: raise ValueError("bad sw_if_index: ~0") @classmethod @@ -136,13 +143,15 @@ class TestGeneve(BridgeDomain, VppTestCase): n_distinct_dst_tunnels = 10 ip_range_start = 10 ip_range_end = ip_range_start + n_distinct_dst_tunnels - for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start, - ip_range_end): - vni = int(dest_ip4.split('.')[3]) - cls.vapi.geneve_add_del_tunnel(local_address=cls.pg0.local_ip4, - remote_address=dest_ip4, - mcast_sw_if_index=1, is_add=is_add, - vni=vni) + for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start, ip_range_end): + vni = int(dest_ip4.split(".")[3]) + cls.vapi.geneve_add_del_tunnel( + local_address=cls.pg0.local_ip4, + remote_address=dest_ip4, + mcast_sw_if_index=1, + is_add=is_add, + vni=vni, + ) @classmethod def add_mcast_tunnels_load(cls): @@ -176,34 +185,41 @@ class TestGeneve(BridgeDomain, VppTestCase): cls.pg0.resolve_arp() # Our Multicast address - cls.mcast_ip4 = '239.1.1.1' + cls.mcast_ip4 = "239.1.1.1" cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4) # Create GENEVE VTEP on VPP pg0, and put geneve_tunnel0 and pg1 # into BD. - cls.single_tunnel_vni = 0xabcde + cls.single_tunnel_vni = 0xABCDE cls.single_tunnel_bd = 1 r = cls.vapi.geneve_add_del_tunnel( local_address=cls.pg0.local_ip4, - remote_address=cls.pg0.remote_ip4, vni=cls.single_tunnel_vni) - cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, - bd_id=cls.single_tunnel_bd) + remote_address=cls.pg0.remote_ip4, + vni=cls.single_tunnel_vni, + ) + cls.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=r.sw_if_index, bd_id=cls.single_tunnel_bd + ) cls.vapi.sw_interface_set_l2_bridge( - rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd) + rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd + ) # Setup vni 2 to test multicast flooding cls.n_ucast_tunnels = 10 cls.mcast_flood_bd = 2 - cls.create_geneve_flood_test_bd(cls.mcast_flood_bd, - cls.n_ucast_tunnels) + cls.create_geneve_flood_test_bd(cls.mcast_flood_bd, cls.n_ucast_tunnels) r = cls.vapi.geneve_add_del_tunnel( local_address=cls.pg0.local_ip4, - remote_address=cls.mcast_ip4, mcast_sw_if_index=1, - vni=cls.mcast_flood_bd) - cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, - bd_id=cls.mcast_flood_bd) + remote_address=cls.mcast_ip4, + mcast_sw_if_index=1, + vni=cls.mcast_flood_bd, + ) cls.vapi.sw_interface_set_l2_bridge( - rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd) + rx_sw_if_index=r.sw_if_index, bd_id=cls.mcast_flood_bd + ) + cls.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd + ) # Add and delete mcast tunnels to check stability cls.add_shared_mcast_dst_load() @@ -213,10 +229,10 @@ class TestGeneve(BridgeDomain, VppTestCase): # Setup vni 3 to test unicast flooding cls.ucast_flood_bd = 3 - cls.create_geneve_flood_test_bd(cls.ucast_flood_bd, - cls.n_ucast_tunnels) + cls.create_geneve_flood_test_bd(cls.ucast_flood_bd, cls.n_ucast_tunnels) cls.vapi.sw_interface_set_l2_bridge( - rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd) + rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd + ) except Exception: super(TestGeneve, cls).tearDownClass() raise @@ -235,7 +251,7 @@ class TestGeneve(BridgeDomain, VppTestCase): class TestGeneveL3(VppTestCase): - """ GENEVE L3 Test Case """ + """GENEVE L3 Test Case""" @classmethod def setUpClass(cls): @@ -265,43 +281,55 @@ class TestGeneveL3(VppTestCase): def test_l3_packet(self): vni = 1234 - r = self.vapi.add_node_next(node_name="geneve4-input", - next_name="ethernet-input") + r = self.vapi.add_node_next( + node_name="geneve4-input", next_name="ethernet-input" + ) r = self.vapi.geneve_add_del_tunnel2( is_add=1, local_address=self.pg0.local_ip4, remote_address=self.pg0.remote_ip4, vni=vni, l3_mode=1, - decap_next_index=r.next_index) + decap_next_index=r.next_index, + ) self.vapi.sw_interface_add_del_address( - sw_if_index=r.sw_if_index, prefix="10.0.0.1/24") - - pkt = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") / - IP(src='10.0.0.2', dst='10.0.0.1') / - ICMP()) - - encap = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / - UDP(sport=6081, dport=6081, chksum=0) / - GENEVE(vni=vni)) - - arp = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") / - ARP(op="is-at", hwsrc=self.pg0.remote_mac, - hwdst="d0:0b:ee:d0:00:00", psrc="10.0.0.2", - pdst="10.0.0.1")) - - rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0) - rx = self.send_and_assert_no_replies(self.pg0, encap/arp*1, self.pg0) - rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0) + sw_if_index=r.sw_if_index, prefix="10.0.0.1/24" + ) + + pkt = ( + Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") + / IP(src="10.0.0.2", dst="10.0.0.1") + / ICMP() + ) + + encap = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) + / UDP(sport=6081, dport=6081, chksum=0) + / GENEVE(vni=vni) + ) + + arp = Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") / ARP( + op="is-at", + hwsrc=self.pg0.remote_mac, + hwdst="d0:0b:ee:d0:00:00", + psrc="10.0.0.2", + pdst="10.0.0.1", + ) + + rx = self.send_and_expect(self.pg0, encap / pkt * 1, self.pg0) + rx = self.send_and_assert_no_replies(self.pg0, encap / arp * 1, self.pg0) + rx = self.send_and_expect(self.pg0, encap / pkt * 1, self.pg0) self.assertEqual(rx[0][ICMP].type, 0) # echo reply r = self.vapi.geneve_add_del_tunnel2( is_add=0, local_address=self.pg0.local_ip4, remote_address=self.pg0.remote_ip4, - vni=vni) + vni=vni, + ) + -if __name__ == '__main__': +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner) |