diff options
Diffstat (limited to 'test/test_mtu.py')
| -rw-r--r-- | test/test_mtu.py | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/test/test_mtu.py b/test/test_mtu.py index abf0c94b268..cef0ec0d8d5 100644 --- a/test/test_mtu.py +++ b/test/test_mtu.py @@ -165,16 +165,22 @@ class TestMTU(VppTestCase): self.validate(reass_pkt, p4_reply) ''' # Reset MTU - self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, current_mtu) + self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, + current_mtu + mtu_offset) - @unittest.skip("Enable when IPv6 fragmentation is added") def test_ip6_mtu(self): """ IP6 MTU test """ + # + # TODO: Link MTU is 216 bytes 'off'. Fix when L3 MTU patches committed + # + mtu_offset = 216 + current_mtu = self.get_mtu(self.pg1.sw_if_index) + current_mtu -= mtu_offset + p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) p_ip6 = IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) - current_mtu = self.get_mtu(self.pg1.sw_if_index) p_payload = UDP(sport=1234, dport=1234) / self.payload( current_mtu - 40 - 8) @@ -186,8 +192,8 @@ class TestMTU(VppTestCase): self.validate(p[1], p6_reply) # MTU (only checked on encap) - self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, 1280) - self.assertEqual(1280, self.get_mtu(self.pg1.sw_if_index)) + self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, 1280 + mtu_offset) + self.assertEqual(1280, self.get_mtu(self.pg1.sw_if_index) - mtu_offset) # Should fail. Too large MTU p_icmp6 = ICMPv6PacketTooBig(mtu=1280, cksum=0x4c7a) |