self.logger.error(ppp("Tx:", tx))
raise
+ def verify_decapped_6o6(self, src_if, capture, sent):
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IPv6]
+ rx_ip = rx[IPv6]
+ tx_gre = tx[GRE]
+ tx_ip = tx_gre[IPv6]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ self.assertEqual(rx_ip.hlim + 1, tx_ip.hlim)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
def test_gre(self):
""" GRE IPv4 tunnel Tests """
gre_if = VppGreInterface(self,
itf.local_ip4,
"0.0.0.0",
- mode=(VppEnum.vl_api_gre_tunnel_mode_t.
- GRE_API_TUNNEL_MODE_MP))
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
gre_if.add_vpp_config()
gre_if.admin_up()
gre_if.config_ip4()
gre_if.generate_remote_hosts(4)
+ self.logger.info(self.vapi.cli("sh adj"))
+ self.logger.info(self.vapi.cli("sh ip fib"))
+
+ #
+ # ensure we don't match to the tunnel if the source address
+ # is all zeros
+ #
+ tx = self.create_tunnel_stream_4o4(self.pg0,
+ "0.0.0.0",
+ itf.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.send_and_assert_no_replies(self.pg0, tx)
+
#
# for-each peer
#
# Send a packet stream that is routed into the tunnel
# - packets are GRE encapped
#
- tx = self.create_stream_ip4(self.pg0, "5.5.5.5", route_addr)
- rx = self.send_and_expect(self.pg0, tx, itf)
- self.verify_tunneled_4o4(self.pg0, rx, tx,
+ tx_e = self.create_stream_ip4(self.pg0, "5.5.5.5", route_addr)
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_4o4(self.pg0, rx, tx_e,
itf.local_ip4,
- gre_if._remote_hosts[ii].ip4)
+ itf._remote_hosts[ii].ip4)
+
+ tx_i = self.create_tunnel_stream_4o4(self.pg0,
+ itf._remote_hosts[ii].ip4,
+ itf.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_4o4(self.pg0, rx, tx_i)
#
# delete and re-add the NHRP
#
nhrp.remove_vpp_config()
- self.send_and_assert_no_replies(self.pg0, tx)
+ self.send_and_assert_no_replies(self.pg0, tx_e)
+ self.send_and_assert_no_replies(self.pg0, tx_i)
nhrp.add_vpp_config()
- rx = self.send_and_expect(self.pg0, tx, itf)
- self.verify_tunneled_4o4(self.pg0, rx, tx,
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_4o4(self.pg0, rx, tx_e,
itf.local_ip4,
- gre_if._remote_hosts[ii].ip4)
+ itf._remote_hosts[ii].ip4)
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_4o4(self.pg0, rx, tx_i)
+
+ gre_if.admin_down()
+ gre_if.unconfig_ip4()
+
+ def test_mgre6(self):
+ """ mGRE IPv6 tunnel Tests """
+
+ self.pg0.config_ip6()
+ self.pg0.resolve_ndp()
+
+ for itf in self.pg_interfaces[3:]:
+ #
+ # one underlay nh for each overlay/tunnel peer
+ #
+ itf.config_ip6()
+ itf.generate_remote_hosts(4)
+ itf.configure_ipv6_neighbors()
+
+ #
+ # Create an L3 GRE tunnel.
+ # - set it admin up
+ # - assign an IP Addres
+ # - Add a route via the tunnel
+ #
+ gre_if = VppGreInterface(self,
+ itf.local_ip6,
+ "::",
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
+ gre_if.add_vpp_config()
+ gre_if.admin_up()
+ gre_if.config_ip6()
+ gre_if.generate_remote_hosts(4)
+
+ #
+ # for-each peer
+ #
+ for ii in range(1, 4):
+ route_addr = "4::%d" % ii
+
+ #
+ # Add a NHRP entry resolves the peer
+ #
+ nhrp = VppNhrp(self, gre_if,
+ gre_if._remote_hosts[ii].ip6,
+ itf._remote_hosts[ii].ip6)
+ nhrp.add_vpp_config()
+
+ #
+ # route traffic via the peer
+ #
+ route_via_tun = VppIpRoute(
+ self, route_addr, 128,
+ [VppRoutePath(gre_if._remote_hosts[ii].ip6,
+ gre_if.sw_if_index)])
+ route_via_tun.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the tunnel
+ # - packets are GRE encapped
+ #
+ tx_e = self.create_stream_ip6(self.pg0, "5::5", route_addr)
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_6o6(self.pg0, rx, tx_e,
+ itf.local_ip6,
+ itf._remote_hosts[ii].ip6)
+ tx_i = self.create_tunnel_stream_6o6(self.pg0,
+ itf._remote_hosts[ii].ip6,
+ itf.local_ip6,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6)
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_6o6(self.pg0, rx, tx_i)
+
+ #
+ # delete and re-add the NHRP
+ #
+ nhrp.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, tx_e)
+
+ nhrp.add_vpp_config()
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_6o6(self.pg0, rx, tx_e,
+ itf.local_ip6,
+ itf._remote_hosts[ii].ip6)
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_6o6(self.pg0, rx, tx_i)
+
+ gre_if.admin_down()
+ gre_if.unconfig_ip4()
+ itf.unconfig_ip6()
+ self.pg0.unconfig_ip6()
if __name__ == '__main__':