diff options
-rw-r--r-- | src/vnet/gre/interface.c | 4 | ||||
-rw-r--r-- | src/vnet/gre/node.c | 3 | ||||
-rw-r--r-- | test/test_gre.py | 46 |
3 files changed, 50 insertions, 3 deletions
diff --git a/src/vnet/gre/interface.c b/src/vnet/gre/interface.c index 2025838d9ad..ea93536fb27 100644 --- a/src/vnet/gre/interface.c +++ b/src/vnet/gre/interface.c @@ -306,6 +306,10 @@ vnet_gre_tunnel_add (vnet_gre_tunnel_add_del_args_t * a, if (sw_if_indexp) *sw_if_indexp = sw_if_index; + /* register gre46-input nodes */ + ip4_register_protocol (IP_PROTOCOL_GRE, gre4_input_node.index); + ip6_register_protocol (IP_PROTOCOL_GRE, gre6_input_node.index); + return 0; } diff --git a/src/vnet/gre/node.c b/src/vnet/gre/node.c index ff74d1b4e79..891fc9c08d4 100644 --- a/src/vnet/gre/node.c +++ b/src/vnet/gre/node.c @@ -577,9 +577,6 @@ gre_input_init (vlib_main_t * vm) gre_register_input_protocol (vm, GRE_PROTOCOL_mpls_unicast, mpls_unicast_input->index, GRE_TUNNEL_TYPE_L3); - ip4_register_protocol (IP_PROTOCOL_GRE, gre4_input_node.index); - ip6_register_protocol (IP_PROTOCOL_GRE, gre6_input_node.index); - return 0; } diff --git a/test/test_gre.py b/test/test_gre.py index 71117ad738c..7936334ba77 100644 --- a/test/test_gre.py +++ b/test/test_gre.py @@ -18,6 +18,52 @@ from util import ppp, ppc from vpp_papi import VppEnum +class TestGREInputNodes(VppTestCase): + """ GRE Input Nodes Test Case """ + + def setUp(self): + super(TestGREInputNodes, self).setUp() + + # create 3 pg interfaces - set one in a non-default table. + self.create_pg_interfaces(range(1)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + + def tearDown(self): + for i in self.pg_interfaces: + i.unconfig_ip4() + i.admin_down() + super(TestGREInputNodes, self).tearDown() + + def test_gre_input_node(self): + """ GRE gre input nodes not registerd unless configured """ + pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / + GRE()) + + self.pg0.add_stream(pkt) + self.pg_start() + # no tunnel created, gre-input not registered + err = self.statistics.get_counter( + '/err/ip4-input/unknown ip protocol')[0] + self.assertEqual(err, 1) + err_count = err + + # create gre tunnel + gre_if = VppGreInterface(self, self.pg0.local_ip4, "1.1.1.2") + gre_if.add_vpp_config() + + self.pg0.add_stream(pkt) + self.pg_start() + # tunnel created, gre-input registered + err = self.statistics.get_counter( + '/err/ip4-input/unknown ip protocol')[0] + # expect no new errors + self.assertEqual(err, err_count) + + class TestGRE(VppTestCase): """ GRE Test Case """ |