diff options
Diffstat (limited to 'test/test_ipip.py')
| -rw-r--r-- | test/test_ipip.py | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/test/test_ipip.py b/test/test_ipip.py index 1887417a5e0..a259a5d18fa 100644 --- a/test/test_ipip.py +++ b/test/test_ipip.py @@ -2,7 +2,7 @@ """IP{4,6} over IP{v,6} tunnel functional tests""" import unittest -from scapy.layers.inet6 import IPv6, Ether, IP, UDP, IPv6ExtHdrFragment +from scapy.layers.inet6 import IPv6, Ether, IP, UDP, IPv6ExtHdrFragment, Raw from scapy.all import fragment, fragment6, RandShort, defragment6 from framework import VppTestCase, VppTestRunner from vpp_ip import DpoProto @@ -81,7 +81,7 @@ class TestIPIP(VppTestCase): p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) p_ip6 = IPv6(src="1::1", dst="DEAD::1", nh='UDP', tc=42) p_ip4 = IP(src="1.2.3.4", dst="130.67.0.1", tos=42) - p_payload = UDP(sport=1234, dport=1234) + p_payload = UDP(sport=1234, dport=1234) / Raw(b'X' * 100) # IPv4 transport rv = ipip_add_tunnel(self, @@ -121,6 +121,7 @@ class TestIPIP(VppTestCase): rx = self.send_and_expect(self.pg0, p6 * 10, self.pg1) for p in rx: self.validate(p[1], p6_reply) + self.assert_packet_checksums_valid(p) # IPv4 in to IPv4 tunnel p4 = (p_ether / p_ip4 / p_payload) @@ -134,6 +135,7 @@ class TestIPIP(VppTestCase): rx = self.send_and_expect(self.pg0, p4 * 10, self.pg1) for p in rx: self.validate(p[1], p4_reply) + self.assert_packet_checksums_valid(p) # Decapsulation p_ether = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) @@ -147,6 +149,7 @@ class TestIPIP(VppTestCase): rx = self.send_and_expect(self.pg1, p4 * 10, self.pg0) for p in rx: self.validate(p[1], p4_reply) + self.assert_packet_checksums_valid(p) err = self.statistics.get_err_counter( '/err/ipip4-input/packets decapsulated') @@ -161,6 +164,7 @@ class TestIPIP(VppTestCase): rx = self.send_and_expect(self.pg1, p6 * 10, self.pg0) for p in rx: self.validate(p[1], p6_reply) + self.assert_packet_checksums_valid(p) err = self.statistics.get_err_counter( '/err/ipip4-input/packets decapsulated') @@ -222,7 +226,6 @@ class TestIPIP(VppTestCase): self.pg_start() rx = self.pg0.get_capture(6) reass_pkt = reassemble4(rx) - p4_reply.ttl -= 1 p4_reply.id = 256 self.validate(reass_pkt, p4_reply) @@ -233,10 +236,24 @@ class TestIPIP(VppTestCase): self.pg_start() rx = self.pg0.get_capture(2) reass_pkt = reassemble4(rx) - p4_reply.ttl -= 1 p4_reply.id = 512 self.validate(reass_pkt, p4_reply) + # send large packets through the tunnel, expect them to be fragmented + self.vapi.sw_interface_set_mtu(sw_if_index, [600, 0, 0, 0]) + + p4 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / + IP(src="1.2.3.4", dst="130.67.0.1", tos=42) / + UDP(sport=1234, dport=1234) / Raw(b'Q' * 1000)) + rx = self.send_and_expect(self.pg0, p4 * 15, self.pg1, 30) + inners = [] + for p in rx: + inners.append(p[IP].payload) + reass_pkt = reassemble4(inners) + for p in reass_pkt: + self.assert_packet_checksums_valid(p) + self.assertEqual(p[IP].ttl, 63) + def test_ipip_create(self): """ ipip create / delete interface test """ rv = ipip_add_tunnel(self, '1.2.3.4', '2.3.4.5') |