diff options
| author |   Neale Ranns <nranns@cisco.com> | 2019-04-18 10:23:56 +0000 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2019-12-04 22:45:11 +0000 |
| commit | 5f8f6173328f8d77feea5fd100e150c3094c11f0 (patch) | |
| tree | 16849c6e7619b227a93ce9846f344da2cc96ef2d /test/test_gre.py | |
| parent | 79619c10142e15754e2f0b2ba26c20d415e7c36f (diff) | |
gre: Multi-point interfaces
Type: feature
Change-Id: I0129ad6ace44a50a8a3b26db8e445cd06b2b49e8
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test/test_gre.py')
| -rw-r--r-- | test/test_gre.py | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/test/test_gre.py b/test/test_gre.py index 6828ac6f919..d3d12cc26bb 100644 --- a/test/test_gre.py +++ b/test/test_gre.py @@ -12,6 +12,7 @@ from scapy.volatile import RandMAC, RandIP from framework import VppTestCase, VppTestRunner from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint from vpp_gre_interface import VppGreInterface +from vpp_nhrp import VppNhrp from vpp_ip import DpoProto from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, FibPathProto from util import ppp, ppc @@ -79,7 +80,7 @@ class TestGRE(VppTestCase): super(TestGRE, self).setUp() # create 3 pg interfaces - set one in a non-default table. - self.create_pg_interfaces(range(3)) + self.create_pg_interfaces(range(5)) self.tbl = VppIpTable(self, 1) self.tbl.add_vpp_config() @@ -94,6 +95,10 @@ class TestGRE(VppTestCase): self.pg1.resolve_arp() self.pg2.config_ip6() self.pg2.resolve_ndp() + self.pg3.config_ip4() + self.pg3.resolve_arp() + self.pg4.config_ip4() + self.pg4.resolve_arp() def tearDown(self): for i in self.pg_interfaces: @@ -701,7 +706,7 @@ class TestGRE(VppTestCase): # gre_if = VppGreInterface(self, self.pg1.local_ip4, "2.2.2.2", - outer_fib_id=1) + outer_table_id=1) gre_if.add_vpp_config() gre_if.admin_up() gre_if.config_ip4() @@ -968,6 +973,77 @@ class TestGRE(VppTestCase): route_via_tun_2.remove_vpp_config() gre_if.remove_vpp_config() + def test_mgre(self): + """ mGRE IPv4 tunnel Tests """ + + for itf in self.pg_interfaces[3:]: + # + # one underlay nh for each overlay/tunnel peer + # + itf.generate_remote_hosts(4) + itf.configure_ipv4_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_ip4, + "0.0.0.0", + mode=(VppEnum.vl_api_gre_tunnel_mode_t. + GRE_API_TUNNEL_MODE_MP)) + gre_if.add_vpp_config() + gre_if.admin_up() + gre_if.config_ip4() + gre_if.generate_remote_hosts(4) + + # + # for-each peer + # + for ii in range(1, 4): + route_addr = "4.4.4.%d" % ii + + # + # route traffic via the peer + # + route_via_tun = VppIpRoute( + self, route_addr, 32, + [VppRoutePath(gre_if._remote_hosts[ii].ip4, + gre_if.sw_if_index)]) + route_via_tun.add_vpp_config() + + # + # Add a NHRP entry resolves the peer + # + nhrp = VppNhrp(self, gre_if, + gre_if._remote_hosts[ii].ip4, + itf._remote_hosts[ii].ip4) + nhrp.add_vpp_config() + + # + # 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, + itf.local_ip4, + gre_if._remote_hosts[ii].ip4) + + # + # delete and re-add the NHRP + # + nhrp.remove_vpp_config() + self.send_and_assert_no_replies(self.pg0, tx) + + nhrp.add_vpp_config() + rx = self.send_and_expect(self.pg0, tx, itf) + self.verify_tunneled_4o4(self.pg0, rx, tx, + itf.local_ip4, + gre_if._remote_hosts[ii].ip4) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |