+++ /dev/null
-#!/usr/bin/env python
-
-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.ip6_disable()
- 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('\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('\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('\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('\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('\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('\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(
- VppEnum.vl_api_address_family_t.ADDRESS_IP4, 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(
- table_id, "%d.0.0.0/8" % i, i)
-
- #
- # Enable SVS on pg0/pg1 using table 1001/1002
- #
- self.vapi.svs_enable_disable(
- VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_ids[0],
- self.pg0.sw_if_index)
- self.vapi.svs_enable_disable(
- VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_ids[1],
- 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('\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('\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(
- VppEnum.vl_api_address_family_t.ADDRESS_IP4,
- table_ids[0],
- self.pg0.sw_if_index,
- is_enable=0)
- self.vapi.svs_enable_disable(
- VppEnum.vl_api_address_family_t.ADDRESS_IP4,
- table_ids[1],
- self.pg1.sw_if_index,
- is_enable=0)
-
- for table_id in table_ids:
- for i in range(1, 4):
- self.vapi.svs_route_add_del(
- table_id, "%d.0.0.0/8" % i,
- 0, is_add=0)
- self.vapi.svs_table_add_del(
- VppEnum.vl_api_address_family_t.ADDRESS_IP4,
- table_id,
- is_add=0)
-
- 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('\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('\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('\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('\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('\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('\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(
- VppEnum.vl_api_address_family_t.ADDRESS_IP6, 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(
- table_id, "2001:%d::/32" % i,
- i)
-
- #
- # Enable SVS on pg0/pg1 using table 1001/1002
- #
- self.vapi.svs_enable_disable(
- VppEnum.vl_api_address_family_t.ADDRESS_IP6,
- table_ids[0],
- self.pg0.sw_if_index)
- self.vapi.svs_enable_disable(
- VppEnum.vl_api_address_family_t.ADDRESS_IP6,
- table_ids[1],
- 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('\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('\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(
- VppEnum.vl_api_address_family_t.ADDRESS_IP6,
- table_ids[0],
- self.pg0.sw_if_index,
- is_enable=0)
- self.vapi.svs_enable_disable(
- VppEnum.vl_api_address_family_t.ADDRESS_IP6,
- table_ids[1],
- self.pg1.sw_if_index,
- is_enable=0)
- for table_id in table_ids:
- for i in range(1, 4):
- self.vapi.svs_route_add_del(
- table_id, "2001:%d::/32" % i,
- 0, is_add=0)
- self.vapi.svs_table_add_del(
- VppEnum.vl_api_address_family_t.ADDRESS_IP6,
- table_id,
- is_add=0)
-
-
-if __name__ == '__main__':
- unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff