#!/usr/bin/env python
+import binascii
import random
import socket
import unittest
+from scapy.contrib.mpls import MPLS
+from scapy.layers.inet import IP, UDP, TCP, ICMP, icmptypes, icmpcodes
+from scapy.layers.l2 import Ether, Dot1Q, ARP
+from scapy.packet import Raw
+from six import moves
+
from framework import VppTestCase, VppTestRunner
-from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
+from util import ppp
from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpMRoute, \
VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \
- VppMplsTable, VppIpTable
-
-from scapy.packet import Raw
-from scapy.layers.l2 import Ether, Dot1Q, ARP
-from scapy.layers.inet import IP, UDP, TCP, ICMP, icmptypes, icmpcodes
-from util import ppp
-from scapy.contrib.mpls import MPLS
+ VppMplsTable, VppIpTable, VppIpAddress
+from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
class TestIPv4(VppTestCase):
UDP(sport=1234, dport=1234))
pkts = [self.modify_packet(src_if, i, pkt_tmpl)
- for i in xrange(self.pg_if_packet_sizes[0],
- self.pg_if_packet_sizes[1], 10)]
+ for i in moves.range(self.pg_if_packet_sizes[0],
+ self.pg_if_packet_sizes[1], 10)]
pkts_b = [self.modify_packet(src_if, i, pkt_tmpl)
- for i in xrange(self.pg_if_packet_sizes[1] + hdr_ext,
- self.pg_if_packet_sizes[2] + hdr_ext, 50)]
+ for i in moves.range(self.pg_if_packet_sizes[1] + hdr_ext,
+ self.pg_if_packet_sizes[2] + hdr_ext,
+ 50)]
pkts.extend(pkts_b)
return pkts
: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):
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):
super(TestIPNull, self).setUp()
# create 2 pg interfaces
- self.create_pg_interfaces(range(1))
+ self.create_pg_interfaces(range(2))
for i in self.pg_interfaces:
i.admin_up()
self.assertEqual(icmp.src, self.pg0.remote_ip4)
self.assertEqual(icmp.dst, "10.0.0.2")
+ def test_ip_drop(self):
+ """ IP Drop Routes """
+
+ p = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst="1.1.1.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ r1 = VppIpRoute(self, "1.1.1.0", 24,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ r1.add_vpp_config()
+
+ rx = self.send_and_expect(self.pg0, p * 65, self.pg1)
+
+ #
+ # insert a more specific as a drop
+ #
+ r2 = VppIpRoute(self, "1.1.1.1", 32, [], is_drop=1)
+ r2.add_vpp_config()
+
+ self.send_and_assert_no_replies(self.pg0, p * 65, "Drop Route")
+ r2.remove_vpp_config()
+ rx = self.send_and_expect(self.pg0, p * 65, self.pg1)
+
class TestIPDisabled(VppTestCase):
""" IPv4 disabled """
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()
#
# 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)
# 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
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, '\x00'*4)
+
class TestIPDeag(VppTestCase):
""" IPv4 Deaggregate Routes """
route_in_src.add_vpp_config()
self.send_and_expect(self.pg0, pkts_src, self.pg2)
+ #
+ # loop in the lookup DP
+ #
+ route_loop = VppIpRoute(self, "2.2.2.3", 32,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=0)])
+ route_loop.add_vpp_config()
+
+ p_l = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src="2.2.2.4", dst="2.2.2.3") /
+ TCP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0, p_l * 257,
+ "IP lookup loop")
+
class TestIPInput(VppTestCase):
""" IPv4 Input Exceptions """
# Reset MTU for subsequent tests
self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [9000, 0, 0, 0])
+
+class TestIPDirectedBroadcast(VppTestCase):
+ """ IPv4 Directed Broadcast """
+
+ def setUp(self):
+ super(TestIPDirectedBroadcast, self).setUp()
+
+ self.create_pg_interfaces(range(2))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+
+ def tearDown(self):
+ super(TestIPDirectedBroadcast, self).tearDown()
+ for i in self.pg_interfaces:
+ i.admin_down()
+
+ def test_ip_input(self):
+ """ IP Directed Broadcast """
+
+ #
+ # set the directed broadcast on pg0 first, then config IP4 addresses
+ # for pg1 directed broadcast is always disabled
+ self.vapi.sw_interface_set_ip_directed_broadcast(
+ self.pg0.sw_if_index, 1)
+
+ p0 = (Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac) /
+ IP(src="1.1.1.1",
+ dst=self.pg0._local_ip4_bcast) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 2000))
+ p1 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src="1.1.1.1",
+ dst=self.pg1._local_ip4_bcast) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 2000))
+
+ self.pg0.config_ip4()
+ self.pg0.resolve_arp()
+ self.pg1.config_ip4()
+ self.pg1.resolve_arp()
+
+ #
+ # test packet is L2 broadcast
+ #
+ rx = self.send_and_expect(self.pg1, p0 * 65, self.pg0)
+ self.assertTrue(rx[0][Ether].dst, "ff:ff:ff:ff:ff:ff")
+
+ self.send_and_assert_no_replies(self.pg0, p1 * 65,
+ "directed broadcast disabled")
+
+ #
+ # toggle directed broadcast on pg0
+ #
+ self.vapi.sw_interface_set_ip_directed_broadcast(
+ self.pg0.sw_if_index, 0)
+ self.send_and_assert_no_replies(self.pg1, p0 * 65,
+ "directed broadcast disabled")
+
+ self.vapi.sw_interface_set_ip_directed_broadcast(
+ self.pg0.sw_if_index, 1)
+ rx = self.send_and_expect(self.pg1, p0 * 65, self.pg0)
+
+ self.pg0.unconfig_ip4()
+ 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)
Code Review / vpp.git / blobdiff