X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip4.py;h=9ec7f4e812973f6f9ae6248d11740a9e7a6b56c2;hb=609e1210c;hp=02a31be830a44c2bbf6f291657487484c13da77c;hpb=3b93be5d76cbcb5dc3d3aee5c72a797014a346f9;p=vpp.git diff --git a/test/test_ip4.py b/test/test_ip4.py index 02a31be830a..9ec7f4e8129 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -1,4 +1,5 @@ #!/usr/bin/env python +import binascii import random import socket import unittest @@ -7,7 +8,7 @@ from framework import VppTestCase, VppTestRunner from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpMRoute, \ VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \ - VppMplsTable, VppIpTable + VppMplsTable, VppIpTable, VppIpAddress from scapy.packet import Raw from scapy.layers.l2 import Ether, Dot1Q, ARP @@ -302,9 +303,8 @@ class TestIPv4FibCrud(VppTestCase): :return list: added ips with 32 prefix """ added_ips = [] - dest_addr = int(socket.inet_pton(socket.AF_INET, - start_dest_addr).encode('hex'), - 16) + dest_addr = int(binascii.hexlify(socket.inet_pton(socket.AF_INET, + start_dest_addr)), 16) dest_addr_len = 32 n_next_hop_addr = socket.inet_pton(socket.AF_INET, next_hop_addr) for _ in range(count): @@ -318,9 +318,8 @@ class TestIPv4FibCrud(VppTestCase): def unconfig_fib_many_to_one(self, start_dest_addr, next_hop_addr, count): removed_ips = [] - dest_addr = int(socket.inet_pton(socket.AF_INET, - start_dest_addr).encode('hex'), - 16) + dest_addr = int(binascii.hexlify(socket.inet_pton(socket.AF_INET, + start_dest_addr)), 16) dest_addr_len = 32 n_next_hop_addr = socket.inet_pton(socket.AF_INET, next_hop_addr) for _ in range(count): @@ -1095,7 +1094,7 @@ class TestIPPunt(VppTestCase): def setUp(self): super(TestIPPunt, self).setUp() - self.create_pg_interfaces(range(2)) + self.create_pg_interfaces(range(4)) for i in self.pg_interfaces: i.admin_up() @@ -1122,8 +1121,7 @@ class TestIPPunt(VppTestCase): # # Configure a punt redirect via pg1. # - nh_addr = socket.inet_pton(socket.AF_INET, - self.pg1.remote_ip4) + nh_addr = VppIpAddress(self.pg1.remote_ip4).encode() self.vapi.ip_punt_redirect(self.pg0.sw_if_index, self.pg1.sw_if_index, nh_addr) @@ -1147,8 +1145,8 @@ class TestIPPunt(VppTestCase): # but not equal to the number sent, since some were policed # rx = self.pg1._get_capture(1) - self.assertTrue(len(rx) > 0) - self.assertTrue(len(rx) < len(pkts)) + self.assertGreater(len(rx), 0) + self.assertLess(len(rx), len(pkts)) # # remove the poilcer. back to full rx @@ -1181,6 +1179,40 @@ class TestIPPunt(VppTestCase): nh_addr, is_add=0) + def test_ip_punt_dump(self): + """ IP4 punt redirect dump""" + + # + # Configure a punt redirects + # + nh_address = VppIpAddress(self.pg3.remote_ip4).encode() + self.vapi.ip_punt_redirect(self.pg0.sw_if_index, + self.pg3.sw_if_index, + nh_address) + self.vapi.ip_punt_redirect(self.pg1.sw_if_index, + self.pg3.sw_if_index, + nh_address) + self.vapi.ip_punt_redirect(self.pg2.sw_if_index, + self.pg3.sw_if_index, + VppIpAddress('0.0.0.0').encode()) + + # + # Dump pg0 punt redirects + # + punts = self.vapi.ip_punt_redirect_dump(self.pg0.sw_if_index) + for p in punts: + self.assertEqual(p.punt.rx_sw_if_index, self.pg0.sw_if_index) + + # + # Dump punt redirects for all interfaces + # + punts = self.vapi.ip_punt_redirect_dump(0xffffffff) + self.assertEqual(len(punts), 3) + for p in punts: + self.assertEqual(p.punt.tx_sw_if_index, self.pg3.sw_if_index) + self.assertNotEqual(punts[1].punt.nh.un.ip4, self.pg3.remote_ip4) + self.assertEqual(punts[2].punt.nh.un.ip4.address, '\x00'*4) + class TestIPDeag(VppTestCase): """ IPv4 Deaggregate Routes """ @@ -1505,5 +1537,104 @@ class TestIPDirectedBroadcast(VppTestCase): self.pg1.unconfig_ip4() +class TestIPLPM(VppTestCase): + """ IPv4 longest Prefix Match """ + + def setUp(self): + super(TestIPLPM, self).setUp() + + self.create_pg_interfaces(range(4)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + def tearDown(self): + super(TestIPLPM, self).tearDown() + for i in self.pg_interfaces: + i.admin_down() + i.unconfig_ip4() + + def test_ip_lpm(self): + """ IP longest Prefix Match """ + + s_24 = VppIpRoute(self, "10.1.2.0", 24, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)]) + s_24.add_vpp_config() + s_8 = VppIpRoute(self, "10.0.0.0", 8, + [VppRoutePath(self.pg2.remote_ip4, + self.pg2.sw_if_index)]) + s_8.add_vpp_config() + + p_8 = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src="1.1.1.1", + dst="10.1.1.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 2000)) + p_24 = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src="1.1.1.1", + dst="10.1.2.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 2000)) + + self.logger.info(self.vapi.cli("sh ip fib mtrie")) + rx = self.send_and_expect(self.pg0, p_8 * 65, self.pg2) + rx = self.send_and_expect(self.pg0, p_24 * 65, self.pg1) + + +class TestIPv4Frag(VppTestCase): + """ IPv4 fragmentation """ + + @classmethod + def setUpClass(cls): + super(TestIPv4Frag, cls).setUpClass() + + cls.create_pg_interfaces([0, 1]) + cls.src_if = cls.pg0 + cls.dst_if = cls.pg1 + + # setup all interfaces + for i in cls.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + def test_frag_large_packets(self): + """ Fragmentation of large packets """ + + p = (Ether(dst=self.src_if.local_mac, src=self.src_if.remote_mac) / + IP(src=self.src_if.remote_ip4, dst=self.dst_if.remote_ip4) / + UDP(sport=1234, dport=5678) / Raw()) + self.extend_packet(p, 6000, "abcde") + saved_payload = p[Raw].load + + # Force fragmentation by setting MTU of output interface + # lower than packet size + self.vapi.sw_interface_set_mtu(self.dst_if.sw_if_index, + [5000, 0, 0, 0]) + + self.pg_enable_capture() + self.src_if.add_stream(p) + self.pg_start() + + # Expecting 3 fragments because size of created fragments currently + # cannot be larger then VPP buffer size (which is 2048) + packets = self.dst_if.get_capture(3) + + # Assume VPP sends the fragments in order + payload = '' + for p in packets: + payload_offset = p.frag * 8 + if payload_offset > 0: + payload_offset -= 8 # UDP header is not in payload + self.assert_equal(payload_offset, len(payload)) + payload += p[Raw].load + self.assert_equal(payload, saved_payload, "payload") + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)