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VPP-1283: IPv6 PMTU missing MTU value in ICMP6 message.
[vpp.git]
/
test
/
test_mtu.py
diff --git
a/test/test_mtu.py
b/test/test_mtu.py
index
abf0c94
..
cef0ec0
100644
(file)
--- 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.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 """
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)
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)
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.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)
# Should fail. Too large MTU
p_icmp6 = ICMPv6PacketTooBig(mtu=1280, cksum=0x4c7a)