diff options
Diffstat (limited to 'test/test_ipip.py')
| -rw-r--r-- | test/test_ipip.py | 70 |
1 files changed, 6 insertions, 64 deletions
diff --git a/test/test_ipip.py b/test/test_ipip.py index dc7b611164f..3a0c401f8af 100644 --- a/test/test_ipip.py +++ b/test/test_ipip.py @@ -2,8 +2,7 @@ """IP{4,6} over IP{v,6} tunnel functional tests""" import unittest -from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig -from scapy.layers.inet import ICMP +from scapy.layers.inet6 import IPv6, Ether, IP, UDP from framework import VppTestCase, VppTestRunner from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto from socket import AF_INET, AF_INET6, inet_pton @@ -45,18 +44,12 @@ class TestIPIP(VppTestCase): def validate(self, rx, expected): self.assertEqual(rx, expected.__class__(str(expected))) - def validate_bytes(self, rx, expected): - self.assertEqual(rx, expected) - - def payload(self, len): - return 'x' * len - def test_ipip4(self): """ ip{v4,v6} over ip4 test """ p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) p_ip6 = IPv6(src="1::1", dst="DEAD::1", nh='UDP') - p_ip4 = IP(src=self.pg0.remote_ip4, dst="130.67.0.1") - p_payload = UDP(sport=1234, dport=1234) / self.payload(1300) + p_ip4 = IP(src="1.2.3.4", dst="130.67.0.1") + p_payload = UDP(sport=1234, dport=1234) # IPv4 transport rv = self.vapi.ipip_add_tunnel( @@ -105,37 +98,10 @@ class TestIPIP(VppTestCase): dst=self.pg1.remote_ip4) / p_ip4_inner / p_payload) p4_reply.ttl -= 1 p4_reply.id = 0 - rx = self.send_and_expect(self.pg0, p4*11, self.pg1) + rx = self.send_and_expect(self.pg0, p4*10, self.pg1) for p in rx: self.validate(p[1], p4_reply) - # MTU (only checked on encap) - rv = self.vapi.sw_interface_set_mtu(sw_if_index, 576) - rv = self.vapi.sw_interface_dump() - for i in rv: - if i.sw_if_index == sw_if_index: - self.assertEqual(i.mtu, 576) - break - - # Should fail. Too large MTU - p4.flags = 'DF' - p_icmp4 = ICMP(type='dest-unreach', code='fragmentation-needed', - nexthopmtu=576, chksum=0xb6c7) - icmp4_reply = (IP(src=self.pg0.local_ip4, - dst=self.pg0.remote_ip4, - ttl=254, len=576, id=0) / - p_icmp4 / p_ip4 / p_payload) - icmp4_reply[1].flags = 'DF' - n = icmp4_reply.__class__(str(icmp4_reply)) - s = str(icmp4_reply) - icmp4_reply = s[0:576] - rx = self.send_and_expect(self.pg0, p4*9, self.pg0) - for p in rx: - self.validate_bytes(str(p[1]), icmp4_reply) - - # Reset MTU - rv = self.vapi.sw_interface_set_mtu(sw_if_index, 1480) - # Decapsulation p_ether = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) @@ -162,9 +128,9 @@ class TestIPIP(VppTestCase): def test_ipip6(self): """ ip{v4,v6} over ip6 test """ p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) - p_ip6 = IPv6(src=self.pg0.remote_ip6, dst="DEAD::1", nh='UDP') + p_ip6 = IPv6(src="1::1", dst="DEAD::1", nh='UDP') p_ip4 = IP(src="1.2.3.4", dst="130.67.0.1") - p_payload = UDP(sport=1234, dport=1234) / self.payload(1300) + p_payload = UDP(sport=1234, dport=1234) # IPv6 transport rv = self.vapi.ipip_add_tunnel( @@ -203,30 +169,6 @@ class TestIPIP(VppTestCase): for p in rx: self.validate(p[1], p6_reply) - # MTU (only checked on encap) - rv = self.vapi.sw_interface_set_mtu(sw_if_index, 1280) - rv = self.vapi.sw_interface_dump() - for i in rv: - if i.sw_if_index == sw_if_index: - self.assertEqual(i.mtu, 1280) - break - - # Should fail. Too large MTU - p_icmp6 = ICMPv6PacketTooBig(mtu=1280, cksum=0xd401) - icmp6_reply = (IPv6(src=self.pg0.local_ip6, - dst=self.pg0.remote_ip6, - hlim=254, plen=1240) / - p_icmp6 / p_ip6 / p_payload) - icmp6_reply[2].hlim -= 1 - s = str(icmp6_reply) - icmp6_reply = s[0:1280] - rx = self.send_and_expect(self.pg0, p6*9, self.pg0) - for p in rx: - self.validate_bytes(str(p[1]), icmp6_reply) - - # Reset MTU - rv = self.vapi.sw_interface_set_mtu(sw_if_index, 1460) - # IPv4 in to IPv6 tunnel p4 = (p_ether / p_ip4 / p_payload) p4_reply = (IPv6(src=self.pg0.local_ip6, |