X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_mtu.py;h=3c938a8cdcec659266fad9d28076403aa2e24e7f;hb=61717cc38;hp=14535b23e2132453b6ceffbc3e8008d7b6f2967f;hpb=7f9b7f9f492d1748d8ba025b3a713058fdb1943d;p=vpp.git

diff --git a/test/test_mtu.py b/test/test_mtu.py
index 14535b23e21..3c938a8cdce 100644
--- a/test/test_mtu.py
+++ b/test/test_mtu.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """IP4 and IP6 MTU functional tests"""
 
 #
@@ -13,7 +13,7 @@ from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
 from scapy.layers.inet import ICMP
 from framework import VppTestCase, VppTestRunner
 from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto
 from socket import AF_INET, AF_INET6, inet_pton
 from util import reassemble4
 
@@ -65,7 +65,7 @@ class TestMTU(VppTestCase):
         return 'x' * len
 
     def get_mtu(self, sw_if_index):
-        rv = self.vapi.sw_interface_dump()
+        rv = self.vapi.sw_interface_dump(sw_if_index=sw_if_index)
         for i in rv:
             if i.sw_if_index == sw_if_index:
                 return i.mtu[0]
@@ -101,7 +101,6 @@ class TestMTU(VppTestCase):
                           dst=self.pg0.remote_ip4,
                           ttl=254, len=576, id=0) /
                        p_icmp4 / p_ip4 / p_payload)
-        icmp4_reply[1].ttl -= 1
         n = icmp4_reply.__class__(icmp4_reply)
         s = bytes(icmp4_reply)
         icmp4_reply = s[0:576]
@@ -118,7 +117,7 @@ class TestMTU(VppTestCase):
         p4 = p_ether / p_ip4 / p_payload
         p4.flags = 0
         p4_reply = p_ip4 / p_payload
-        p4_reply.ttl = 62  # check this
+        p4_reply.ttl = p_ip4.ttl - 1
         p4_reply.flags = 0
         p4_reply.id = 256
         self.pg_enable_capture()