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VXLAN:validate mcast encapsulation ip/mac

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Change-Id: I399257e372f83f4d12dc7873617980af6e46a9bc
Signed-off-by: Eyal Bari <ebari@cisco.com>
This commit is contained in:
Eyal Bari
2017-03-23 09:53:51 +02:00
committed by John Lo
parent 9705c3833a
commit 6ae5ee7add
2 changed files with 11 additions and 4 deletions
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3
test/template_bd.py
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@ -132,7 +132,8 @@ class BridgeDomain(object):
# Pick first received frame and check if it's corectly encapsulated.
out = self.pg0.get_capture(1)
pkt = out[0]
self.check_encapsulation(pkt, self.mcast_flood_bd, True)
self.check_encapsulation(pkt, self.mcast_flood_bd,
local_only=False, mcast_pkt=True)
payload = self.decapsulate(pkt)
self.assert_eq_pkts(payload, self.frame_reply)

12
test/test_vxlan.py
View File

@ -51,17 +51,23 @@ class TestVxlan(BridgeDomain, VppTestCase):
# Method for checking VXLAN encapsulation.
#
def check_encapsulation(self, pkt, vni, local_only=False):
def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False):
# TODO: add error messages
# Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
# by VPP using ARP.
self.assertEqual(pkt[Ether].src, self.pg0.local_mac)
if not local_only:
self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
if not mcast_pkt:
self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
else:
self.assertEqual(pkt[Ether].dst, type(self).mcast_mac)
# Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP.
self.assertEqual(pkt[IP].src, self.pg0.local_ip4)
if not local_only:
self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
if not mcast_pkt:
self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
else:
self.assertEqual(pkt[IP].dst, type(self).mcast_ip4)
# Verify UDP destination port is VXLAN 4789, source UDP port could be
# arbitrary.
self.assertEqual(pkt[UDP].dport, type(self).dport)