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tests: move test source to vpp/test
[vpp.git] / test / test_svs.py
diff --git a/test/test_svs.py b/test/test_svs.py
new file mode 100644 (file)
index 0000000..db4ad80
--- /dev/null
+++ b/test/test_svs.py
@@ -0,0 +1,342 @@
+#!/usr/bin/env python3
+
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpTable
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP, ICMP
+from scapy.layers.inet6 import IPv6
+
+from vpp_papi import VppEnum
+
+NUM_PKTS = 67
+
+
+class TestSVS(VppTestCase):
+    """ SVS Test Case """
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestSVS, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestSVS, cls).tearDownClass()
+
+    def setUp(self):
+        super(TestSVS, self).setUp()
+
+        # create 2 pg interfaces
+        self.create_pg_interfaces(range(4))
+
+        table_id = 0
+
+        for i in self.pg_interfaces:
+            i.admin_up()
+
+            if table_id != 0:
+                tbl = VppIpTable(self, table_id)
+                tbl.add_vpp_config()
+                tbl = VppIpTable(self, table_id, is_ip6=1)
+                tbl.add_vpp_config()
+
+            i.set_table_ip4(table_id)
+            i.set_table_ip6(table_id)
+            i.config_ip4()
+            i.resolve_arp()
+            i.config_ip6()
+            i.resolve_ndp()
+            table_id += 1
+
+    def tearDown(self):
+        for i in self.pg_interfaces:
+            i.unconfig_ip4()
+            i.unconfig_ip6()
+            i.set_table_ip4(0)
+            i.set_table_ip6(0)
+            i.admin_down()
+        super(TestSVS, self).tearDown()
+
+    def test_svs4(self):
+        """ Source VRF Select IP4 """
+
+        #
+        # packets destined out of the 3 non-default table interfaces
+        #
+        pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+                   IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+                   IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+                   IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100))]
+        pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+                   IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+                   IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+                   IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100))]
+
+        #
+        # before adding the SVS config all these packets are dropped when
+        # ingressing on pg0 since pg0 is in the default table
+        #
+        for p in pkts_0:
+            self.send_and_assert_no_replies(self.pg0, p * 1)
+
+        #
+        # Add table 1001 & 1002 into which we'll add the routes
+        # determining the source VRF selection
+        #
+        table_ids = [101, 102]
+
+        for table_id in table_ids:
+            self.vapi.svs_table_add_del(
+                is_add=1,
+                af=VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+                table_id=table_id)
+
+            #
+            # map X.0.0.0/8 to each SVS table for lookup in table X
+            #
+            for i in range(1, 4):
+                self.vapi.svs_route_add_del(
+                    is_add=1,
+                    prefix="%d.0.0.0/8" % i,
+                    table_id=table_id,
+                    source_table_id=i)
+
+        #
+        # Enable SVS on pg0/pg1 using table 1001/1002
+        #
+        self.vapi.svs_enable_disable(
+            is_enable=1,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+            table_id=table_ids[0],
+            sw_if_index=self.pg0.sw_if_index)
+        self.vapi.svs_enable_disable(
+            is_enable=1,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+            table_id=table_ids[1],
+            sw_if_index=self.pg1.sw_if_index)
+
+        #
+        # now all the packets should be delivered out the respective interface
+        #
+        self.send_and_expect(self.pg0, pkts_0[0] * NUM_PKTS, self.pg1)
+        self.send_and_expect(self.pg0, pkts_0[1] * NUM_PKTS, self.pg2)
+        self.send_and_expect(self.pg0, pkts_0[2] * NUM_PKTS, self.pg3)
+        self.send_and_expect(self.pg1, pkts_1[0] * NUM_PKTS, self.pg1)
+        self.send_and_expect(self.pg1, pkts_1[1] * NUM_PKTS, self.pg2)
+        self.send_and_expect(self.pg1, pkts_1[2] * NUM_PKTS, self.pg3)
+
+        #
+        # check that if the SVS lookup does not match a route the packet
+        # is forwarded using the interface's routing table
+        #
+        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+             IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
+             UDP(sport=1234, dport=1234) /
+             Raw(b'\xa5' * 100))
+        self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+        p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+             IP(src=self.pg1.remote_ip4, dst=self.pg1.remote_ip4) /
+             UDP(sport=1234, dport=1234) /
+             Raw(b'\xa5' * 100))
+        self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg1)
+
+        #
+        # dump the SVS configs
+        #
+        ss = self.vapi.svs_dump()
+
+        self.assertEqual(ss[0].table_id, table_ids[0])
+        self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
+        self.assertEqual(ss[0].af, VppEnum.vl_api_address_family_t.ADDRESS_IP4)
+        self.assertEqual(ss[1].table_id, table_ids[1])
+        self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
+        self.assertEqual(ss[1].af, VppEnum.vl_api_address_family_t.ADDRESS_IP4)
+
+        #
+        # cleanup
+        #
+        self.vapi.svs_enable_disable(
+            is_enable=0,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+            table_id=table_ids[0],
+            sw_if_index=self.pg0.sw_if_index)
+        self.vapi.svs_enable_disable(
+            is_enable=0,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+            table_id=table_ids[1],
+            sw_if_index=self.pg1.sw_if_index)
+
+        for table_id in table_ids:
+            for i in range(1, 4):
+                self.vapi.svs_route_add_del(
+                    is_add=0,
+                    prefix="%d.0.0.0/8" % i,
+                    table_id=table_id,
+                    source_table_id=0)
+
+            self.vapi.svs_table_add_del(
+                is_add=0,
+                af=VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+                table_id=table_id)
+
+    def test_svs6(self):
+        """ Source VRF Select IP6 """
+
+        #
+        # packets destined out of the 3 non-default table interfaces
+        #
+        pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+                   IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+                   IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+                   IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100))]
+        pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+                   IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+                   IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100)),
+                  (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+                   IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
+                   UDP(sport=1234, dport=1234) /
+                   Raw(b'\xa5' * 100))]
+
+        #
+        # before adding the SVS config all these packets are dropped when
+        # ingressing on pg0 since pg0 is in the default table
+        #
+        for p in pkts_0:
+            self.send_and_assert_no_replies(self.pg0, p * 1)
+
+        #
+        # Add table 1001 & 1002 into which we'll add the routes
+        # determining the source VRF selection
+        #
+        table_ids = [101, 102]
+
+        for table_id in table_ids:
+            self.vapi.svs_table_add_del(
+                is_add=1,
+                af=VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+                table_id=table_id)
+
+            #
+            # map X.0.0.0/8 to each SVS table for lookup in table X
+            #
+            for i in range(1, 4):
+                self.vapi.svs_route_add_del(
+                    is_add=1,
+                    prefix="2001:%d::/32" % i,
+                    table_id=table_id,
+                    source_table_id=i)
+
+        #
+        # Enable SVS on pg0/pg1 using table 1001/1002
+        #
+        self.vapi.svs_enable_disable(
+            is_enable=1,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+            table_id=table_ids[0],
+            sw_if_index=self.pg0.sw_if_index)
+        self.vapi.svs_enable_disable(
+            is_enable=1,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+            table_id=table_ids[1],
+            sw_if_index=self.pg1.sw_if_index)
+
+        #
+        # now all the packets should be delivered out the respective interface
+        #
+        self.send_and_expect(self.pg0, pkts_0[0] * NUM_PKTS, self.pg1)
+        self.send_and_expect(self.pg0, pkts_0[1] * NUM_PKTS, self.pg2)
+        self.send_and_expect(self.pg0, pkts_0[2] * NUM_PKTS, self.pg3)
+        self.send_and_expect(self.pg1, pkts_1[0] * NUM_PKTS, self.pg1)
+        self.send_and_expect(self.pg1, pkts_1[1] * NUM_PKTS, self.pg2)
+        self.send_and_expect(self.pg1, pkts_1[2] * NUM_PKTS, self.pg3)
+
+        #
+        # check that if the SVS lookup does not match a route the packet
+        # is forwarded using the interface's routing table
+        #
+        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+             IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
+             UDP(sport=1234, dport=1234) /
+             Raw(b'\xa5' * 100))
+        self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+        p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+             IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
+             UDP(sport=1234, dport=1234) /
+             Raw(b'\xa5' * 100))
+        self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg1)
+
+        #
+        # dump the SVS configs
+        #
+        ss = self.vapi.svs_dump()
+
+        self.assertEqual(ss[0].table_id, table_ids[0])
+        self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
+        self.assertEqual(ss[0].af, VppEnum.vl_api_address_family_t.ADDRESS_IP6)
+        self.assertEqual(ss[1].table_id, table_ids[1])
+        self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
+        self.assertEqual(ss[1].af, VppEnum.vl_api_address_family_t.ADDRESS_IP6)
+
+        #
+        # cleanup
+        #
+        self.vapi.svs_enable_disable(
+            is_enable=0,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+            table_id=table_ids[0],
+            sw_if_index=self.pg0.sw_if_index)
+        self.vapi.svs_enable_disable(
+            is_enable=0,
+            af=VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+            table_id=table_ids[1],
+            sw_if_index=self.pg1.sw_if_index)
+
+        for table_id in table_ids:
+            for i in range(1, 4):
+                self.vapi.svs_route_add_del(
+                    is_add=0,
+                    prefix="2001:%d::/32" % i,
+                    table_id=table_id,
+                    source_table_id=0)
+
+            self.vapi.svs_table_add_del(
+                is_add=0,
+                af=VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+                table_id=table_id)
+
+if __name__ == '__main__':
+    unittest.main(testRunner=VppTestRunner)
Vector Packet Processing