From 3eea9de899f4affbe6695bb314989981fca8f234 Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Fri, 21 Jun 2019 02:09:25 -0700 Subject: gbp: Consider data-plane learnt source better than control-plane Type: feature Change-Id: Ice8fc0da6450d2aa8ba63ca1277393ac3605aa2c Signed-off-by: Neale Ranns --- test/test_gbp.py | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 71 insertions(+), 5 deletions(-) (limited to 'test') 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) @@ -2889,6 +2901,60 @@ class TestGBP(VppTestCase): self.wait_for_ep_timeout(ip=rep_88.ip4.address) 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 # -- cgit 1.2.3-korg