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authorNeale Ranns <nranns@cisco.com>2019-06-21 02:09:25 -0700
committerDave Barach <openvpp@barachs.net>2019-07-03 11:31:16 +0000
commit3eea9de899f4affbe6695bb314989981fca8f234 (patch)
treefe40b4ae071bdd399c78b3825a3def4fc966e868 /test
parent7bf7ea3ce39c1d70c0409dcbecd5c4aaf26fae13 (diff)
gbp: Consider data-plane learnt source better than control-plane
Type: feature Change-Id: Ice8fc0da6450d2aa8ba63ca1277393ac3605aa2c Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test')
-rw-r--r--test/test_gbp.py76
1 files changed, 71 insertions, 5 deletions
diff --git a/test/test_gbp.py b/test/test_gbp.py
index 1b8171313fc..2fbd6dc526e 100644
--- a/test/test_gbp.py
+++ b/test/test_gbp.py
@@ -27,11 +27,15 @@ from vpp_papi import VppEnum, MACAddress
from vpp_vxlan_gbp_tunnel import find_vxlan_gbp_tunnel, INDEX_INVALID, \
VppVxlanGbpTunnel
from vpp_neighbor import VppNeighbor
+try:
+ text_type = unicode
+except NameError:
+ text_type = str
NUM_PKTS = 67
-def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None):
+def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None, tep=None):
if ip:
vip = VppIpAddress(ip)
if mac:
@@ -40,6 +44,11 @@ def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None):
eps = test.vapi.gbp_endpoint_dump()
for ep in eps:
+ if tep:
+ src = VppIpAddress(tep[0])
+ dst = VppIpAddress(tep[1])
+ if src != ep.endpoint.tun.src or dst != ep.endpoint.tun.dst:
+ continue
if sw_if_index:
if ep.endpoint.sw_if_index != sw_if_index:
continue
@@ -50,6 +59,7 @@ def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None):
if mac:
if vmac.packed == ep.endpoint.mac:
return True
+
return False
@@ -1507,9 +1517,9 @@ class TestGBP(VppTestCase):
sw_if_index=recirc.recirc.sw_if_index)
def wait_for_ep_timeout(self, sw_if_index=None, ip=None, mac=None,
- n_tries=100, s_time=1):
+ tep=None, n_tries=100, s_time=1):
while (n_tries):
- if not find_gbp_endpoint(self, sw_if_index, ip, mac):
+ if not find_gbp_endpoint(self, sw_if_index, ip, mac, tep=tep):
return True
n_tries = n_tries - 1
self.sleep(s_time)
@@ -2802,12 +2812,14 @@ class TestGBP(VppTestCase):
"2001:10::88", "3001::88",
ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
self.pg2.local_ip4,
- self.pg2.remote_hosts[1].ip4,
+ self.pg2.remote_hosts[2].ip4,
mac=None)
rep_88.add_vpp_config()
#
# Add a remote endpoint from the API that matches an existing one
+ # this is a lower priority, hence the packet is sent to the DP leanrt
+ # TEP
#
rep_2 = VppGbpEndpoint(self, vx_tun_l3,
epg_220, None,
@@ -2841,7 +2853,7 @@ class TestGBP(VppTestCase):
for rx in rxs:
self.assertEqual(rx[IP].src, self.pg2.local_ip4)
- self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
self.assertEqual(rx[UDP].dport, 48879)
# the UDP source port is a random value for hashing
self.assertEqual(rx[VXLAN].gpid, 441)
@@ -2890,6 +2902,60 @@ class TestGBP(VppTestCase):
self.wait_for_ep_timeout(ip=rep_2.ip4.address)
#
+ # Same as above, learn a remote EP via CP and DP
+ # this time remove the DP one first. expect the CP data to remain
+ #
+ rep_3 = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.1.4", "11.0.0.103",
+ "2001::10:3", "3001::103",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ mac=None)
+ rep_3.add_vpp_config()
+
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[2].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src="10.0.1.4", dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=rep_3.ip4.address,
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4]))
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst="10.0.1.4", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ # host 2 is the DP learned TEP
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
+
+ self.wait_for_ep_timeout(ip=rep_3.ip4.address,
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4])
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ # host 1 is the CP learned TEP
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+
+ #
# shutdown with learnt endpoint present
#
p = (Ether(src=self.pg2.remote_mac,