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-rw-r--r--test/test_mpls.py49
1 files changed, 35 insertions, 14 deletions
diff --git a/test/test_mpls.py b/test/test_mpls.py
index f7709d10cc1..4cc7a0759f2 100644
--- a/test/test_mpls.py
+++ b/test/test_mpls.py
@@ -18,7 +18,7 @@ import scapy.compat
from scapy.packet import Raw
from scapy.layers.l2 import Ether, ARP
from scapy.layers.inet import IP, UDP, ICMP
-from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded
+from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded, ICMPv6EchoRequest
from scapy.contrib.mpls import MPLS
NUM_PKTS = 67
@@ -196,7 +196,8 @@ class TestMPLS(VppTestCase):
return pkts
def create_stream_labelled_ip6(self, src_if, mpls_labels,
- hlim=64, dst_ip=None):
+ hlim=64, dst_ip=None,
+ ping=0, ip_itf=None):
if dst_ip is None:
dst_ip = src_if.remote_ip6
self.reset_packet_infos()
@@ -208,9 +209,14 @@ class TestMPLS(VppTestCase):
for l in mpls_labels:
p = p / MPLS(label=l.value, ttl=l.ttl, cos=l.exp)
- p = p / (IPv6(src=src_if.remote_ip6, dst=dst_ip, hlim=hlim) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ if ping:
+ p = p / (IPv6(src=ip_itf.remote_ip6,
+ dst=ip_itf.local_ip6) /
+ ICMPv6EchoRequest())
+ else:
+ p = p / (IPv6(src=src_if.remote_ip6, dst=dst_ip, hlim=hlim) /
+ UDP(sport=1234, dport=1234) /
+ Raw(payload))
info.data = p.copy()
pkts.append(p)
return pkts
@@ -337,7 +343,8 @@ class TestMPLS(VppTestCase):
raise
def verify_capture_ip6(self, src_if, capture, sent,
- ip_hlim=None, ip_dscp=0):
+ ip_hlim=None, ip_dscp=0,
+ ping_resp=0):
try:
self.assertEqual(len(capture), len(sent))
@@ -352,15 +359,18 @@ class TestMPLS(VppTestCase):
tx_ip = tx[IPv6]
rx_ip = rx[IPv6]
- self.assertEqual(rx_ip.src, tx_ip.src)
- self.assertEqual(rx_ip.dst, tx_ip.dst)
- self.assertEqual(rx_ip.tc, ip_dscp)
- # IP processing post pop has decremented the TTL
- if not ip_hlim:
- self.assertEqual(rx_ip.hlim + 1, tx_ip.hlim)
+ if not ping_resp:
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ self.assertEqual(rx_ip.tc, ip_dscp)
+ # IP processing post pop has decremented the TTL
+ if not ip_hlim:
+ self.assertEqual(rx_ip.hlim + 1, tx_ip.hlim)
+ else:
+ self.assertEqual(rx_ip.hlim, ip_hlim)
else:
- self.assertEqual(rx_ip.hlim, ip_hlim)
-
+ self.assertEqual(rx_ip.src, tx_ip.dst)
+ self.assertEqual(rx_ip.dst, tx_ip.src)
except:
raise
@@ -1170,6 +1180,13 @@ class TestMPLS(VppTestCase):
0xffffffff,
nh_table_id=1)])
route_35_eos.add_vpp_config()
+ route_356_eos = VppMplsRoute(
+ self, 356, 1,
+ [VppRoutePath("0::0",
+ 0xffffffff,
+ nh_table_id=1)],
+ eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)
+ route_356_eos.add_vpp_config()
#
# ping an interface in the non-default table
@@ -1180,6 +1197,10 @@ class TestMPLS(VppTestCase):
self.pg0, [VppMplsLabel(35)], ping=1, ip_itf=self.pg1)
rx = self.send_and_expect(self.pg0, tx, self.pg1)
self.verify_capture_ip4(self.pg1, rx, tx, ping_resp=1)
+ tx = self.create_stream_labelled_ip6(
+ self.pg0, [VppMplsLabel(356)], ping=1, ip_itf=self.pg1)
+ rx = self.send_and_expect(self.pg0, tx, self.pg1)
+ self.verify_capture_ip6(self.pg1, rx, tx, ping_resp=1)
#
# Double pop