#!/usr/bin/env python
-import logging
-logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
-
import unittest
+import socket
+from logging import *
+
from framework import VppTestCase, VppTestRunner
-from util import Util
+from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
from scapy.packet import Raw
from scapy.layers.l2 import Ether, Dot1Q
-from scapy.layers.inet6 import (IPv6, UDP,
- ICMPv6ND_NS, ICMPv6NDOptSrcLLAddr,
- ICMPv6ND_NA, ICMPv6NDOptDstLLAddr)
+from scapy.layers.inet6 import ICMPv6ND_NS, IPv6, UDP
-@unittest.skip('Not finished yet.\n')
-class TestIPv6(Util, VppTestCase):
+class TestIPv6(VppTestCase):
""" IPv6 Test Case """
@classmethod
def setUpClass(cls):
super(TestIPv6, cls).setUpClass()
- try:
- cls.create_interfaces_and_subinterfaces()
-
- # configure IPv6 on hardware interfaces
- cls.config_ip6(cls.interfaces)
-
- cls.config_ip6_on_software_interfaces(cls.interfaces)
-
- # resolve ICMPv6 ND using hardware interfaces
- cls.resolve_icmpv6_nd(cls.interfaces)
-
- # let VPP know MAC addresses of peer (sub)interfaces
- # cls.resolve_icmpv6_nd_on_software_interfaces(cls.interfaces)
- cls.send_neighbour_advertisement_on_software_interfaces(cls.interfaces)
-
- # config 2M FIB enries
- #cls.config_fib_entries(2000000)
- cls.config_fib_entries(1000000)
-
- except Exception as e:
- super(TestIPv6, cls).tearDownClass()
- raise
-
- def tearDown(self):
- self.cli(2, "show int")
- self.cli(2, "show trace")
- self.cli(2, "show hardware")
- self.cli(2, "show ip arp")
- # self.cli(2, "show ip fib") # 2M entries
- self.cli(2, "show error")
- self.cli(2, "show run")
-
- @classmethod
- def create_vlan_subif(cls, pg_index, vlan):
- cls.api("create_vlan_subif pg%u vlan %u" % (pg_index, vlan))
-
- @classmethod
- def create_dot1ad_subif(cls, pg_index, sub_id, outer_vlan_id, inner_vlan_id):
- cls.api("create_subif pg%u sub_id %u outer_vlan_id %u inner_vlan_id %u dot1ad"
- % (pg_index, sub_id, outer_vlan_id, inner_vlan_id))
-
- class SoftInt(object):
- pass
-
- class HardInt(SoftInt):
- pass
-
- class Subint(SoftInt):
- def __init__(self, sub_id):
- self.sub_id = sub_id
-
- class Dot1QSubint(Subint):
- def __init__(self, sub_id, vlan=None):
- if vlan is None:
- vlan = sub_id
- super(TestIPv6.Dot1QSubint, self).__init__(sub_id)
- self.vlan = vlan
-
- class Dot1ADSubint(Subint):
- def __init__(self, sub_id, outer_vlan, inner_vlan):
- super(TestIPv6.Dot1ADSubint, self).__init__(sub_id)
- self.outer_vlan = outer_vlan
- self.inner_vlan = inner_vlan
-
- @classmethod
- def create_interfaces_and_subinterfaces(cls):
- cls.interfaces = range(3)
-
- cls.create_interfaces(cls.interfaces)
+ def setUp(self):
+ super(TestIPv6, self).setUp()
- # Make vpp_api_test see interfaces created using debug CLI (in function create_interfaces)
- cls.api("sw_interface_dump")
+ # create 3 pg interfaces
+ self.create_pg_interfaces(range(3))
- cls.INT_DETAILS = dict()
+ # create 2 subinterfaces for p1 and pg2
+ self.sub_interfaces = [
+ VppDot1QSubint(self, self.pg1, 100),
+ VppDot1QSubint(self, self.pg2, 200)]
+ # TODO: VppDot1ADSubint(self, self.pg2, 200, 300, 400)
- cls.INT_DETAILS[0] = cls.HardInt()
+ # packet flows mapping pg0 -> pg1.sub, pg2.sub, etc.
+ self.flows = dict()
+ self.flows[self.pg0] = [self.pg1.sub_if, self.pg2.sub_if]
+ self.flows[self.pg1.sub_if] = [self.pg0, self.pg2.sub_if]
+ self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if]
- cls.INT_DETAILS[1] = cls.Dot1QSubint(100)
- cls.create_vlan_subif(1, cls.INT_DETAILS[1].vlan)
+ # packet sizes
+ self.pg_if_packet_sizes = [64, 512, 1518, 9018]
+ self.sub_if_packet_sizes = [64, 512, 1518 + 4, 9018 + 4]
- # FIXME: Wrong packet format/wrong layer on output of interface 2
- #self.INT_DETAILS[2] = self.Dot1ADSubint(10, 200, 300)
- #self.create_dot1ad_subif(2, self.INT_DETAILS[2].sub_id, self.INT_DETAILS[2].outer_vlan, self.INT_DETAILS[2].inner_vlan)
+ self.interfaces = list(self.pg_interfaces)
+ self.interfaces.extend(self.sub_interfaces)
- # Use dor1q for now
- cls.INT_DETAILS[2] = cls.Dot1QSubint(200)
- cls.create_vlan_subif(2, cls.INT_DETAILS[2].vlan)
-
- for i in cls.interfaces:
- det = cls.INT_DETAILS[i]
- if isinstance(det, cls.Subint):
- cls.api("sw_interface_set_flags pg%u.%u admin-up" % (i, det.sub_id))
-
- # IP adresses on subinterfaces
- MY_SOFT_IP6S = {}
- VPP_SOFT_IP6S = {}
-
- @classmethod
- def config_ip6_on_software_interfaces(cls, args):
- for i in args:
- cls.MY_SOFT_IP6S[i] = "fd01:%u::2" % i
- cls.VPP_SOFT_IP6S[i] = "fd01:%u::1" % i
- if isinstance(cls.INT_DETAILS[i], cls.Subint):
- interface = "pg%u.%u" % (i, cls.INT_DETAILS[i].sub_id)
- else:
- interface = "pg%u" % i
- cls.api("sw_interface_add_del_address %s %s/32" % (interface, cls.VPP_SOFT_IP6S[i]))
- cls.log("My subinterface IPv6 address is %s" % (cls.MY_SOFT_IP6S[i]))
-
- # let VPP know MAC addresses of peer (sub)interfaces
- @classmethod
- def resolve_icmpv6_nd_on_software_interfaces(cls, args):
- for i in args:
- ip = cls.VPP_SOFT_IP6S[i]
- cls.log("Sending ICMPv6ND_NS request for %s on port %u" % (ip, i))
- nd_req = (Ether(dst="ff:ff:ff:ff:ff:ff", src=cls.MY_MACS[i]) /
- IPv6(src=cls.MY_SOFT_IP6S[i], dst=ip) /
- ICMPv6ND_NS(tgt=ip) /
- ICMPv6NDOptSrcLLAddr(lladdr=cls.MY_MACS[i]))
- cls.pg_add_stream(i, nd_req)
- cls.pg_enable_capture([i])
-
- cls.cli(2, "trace add pg-input 1")
- cls.pg_start()
-
- # We don't need to read output
-
- # let VPP know MAC addresses of peer (sub)interfaces
- @classmethod
- def send_neighbour_advertisement_on_software_interfaces(cls, args):
- for i in args:
- ip = cls.VPP_SOFT_IP6S[i]
- cls.log("Sending ICMPv6ND_NA message for %s on port %u" % (ip, i))
- pkt = (Ether(dst="ff:ff:ff:ff:ff:ff", src=cls.MY_MACS[i]) /
- IPv6(src=cls.MY_SOFT_IP6S[i], dst=ip) /
- ICMPv6ND_NA(tgt=ip, R=0, S=0) /
- ICMPv6NDOptDstLLAddr(lladdr=cls.MY_MACS[i]))
- cls.pg_add_stream(i, pkt)
- cls.pg_enable_capture([i])
-
- cls.cli(2, "trace add pg-input 1")
- cls.pg_start()
-
- @classmethod
- def config_fib_entries(cls, count):
- n_int = len(cls.interfaces)
- for i in cls.interfaces:
- cls.api("ip_add_del_route fd02::1/128 via %s count %u" % (cls.VPP_SOFT_IP6S[i], count / n_int))
-
- @classmethod
- def add_dot1_layers(cls, i, packet):
- assert(type(packet) is Ether)
- payload = packet.payload
- det = cls.INT_DETAILS[i]
- if isinstance(det, cls.Dot1QSubint):
- packet.remove_payload()
- packet.add_payload(Dot1Q(vlan=det.sub_id) / payload)
- elif isinstance(det, cls.Dot1ADSubint):
- packet.remove_payload()
- packet.add_payload(Dot1Q(vlan=det.outer_vlan) / Dot1Q(vlan=det.inner_vlan) / payload)
- packet.type = 0x88A8
+ # setup all interfaces
+ for i in self.interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
- def remove_dot1_layers(self, i, packet):
- self.assertEqual(type(packet), Ether)
- payload = packet.payload
- det = self.INT_DETAILS[i]
- if isinstance(det, self.Dot1QSubint):
- self.assertEqual(type(payload), Dot1Q)
- self.assertEqual(payload.vlan, self.INT_DETAILS[i].vlan)
- payload = payload.payload
- elif isinstance(det, self.Dot1ADSubint): # TODO: change 88A8 type
- self.assertEqual(type(payload), Dot1Q)
- self.assertEqual(payload.vlan, self.INT_DETAILS[i].outer_vlan)
- payload = payload.payload
- self.assertEqual(type(payload), Dot1Q)
- self.assertEqual(payload.vlan, self.INT_DETAILS[i].inner_vlan)
- payload = payload.payload
- packet.remove_payload()
- packet.add_payload(payload)
+ # config 2M FIB enries
+ self.config_fib_entries(200)
- def create_stream(self, pg_id):
- pg_targets = [None] * 3
- pg_targets[0] = [1, 2]
- pg_targets[1] = [0, 2]
- pg_targets[2] = [0, 1]
+ def tearDown(self):
+ super(TestIPv6, self).tearDown()
+ if not self.vpp_dead:
+ info(self.vapi.cli("show ip6 neighbors"))
+ # info(self.vapi.cli("show ip6 fib")) # many entries
+
+ def config_fib_entries(self, count):
+ n_int = len(self.interfaces)
+ percent = 0
+ counter = 0.0
+ dest_addr = socket.inet_pton(socket.AF_INET6, "fd02::1")
+ dest_addr_len = 128
+ for i in self.interfaces:
+ next_hop_address = i.local_ip6n
+ for j in range(count / n_int):
+ self.vapi.ip_add_del_route(
+ dest_addr, dest_addr_len, next_hop_address, is_ipv6=1)
+ counter = counter + 1
+ if counter / count * 100 > percent:
+ info("Configure %d FIB entries .. %d%% done" %
+ (count, percent))
+ percent = percent + 1
+
+ def create_stream(self, src_if, packet_sizes):
pkts = []
for i in range(0, 257):
- target_pg_id = pg_targets[pg_id][i % 2]
- info = self.create_packet_info(pg_id, target_pg_id)
+ dst_if = self.flows[src_if][i % 2]
+ info = self.create_packet_info(
+ src_if.sw_if_index, dst_if.sw_if_index)
payload = self.info_to_payload(info)
- p = (Ether(dst=self.VPP_MACS[pg_id], src=self.MY_MACS[pg_id]) /
- IPv6(src=self.MY_SOFT_IP6S[pg_id], dst=self.MY_SOFT_IP6S[target_pg_id]) /
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6) /
UDP(sport=1234, dport=1234) /
Raw(payload))
info.data = p.copy()
- self.add_dot1_layers(pg_id, p)
- if not isinstance(self.INT_DETAILS[pg_id], self.Subint):
- packet_sizes = [76, 512, 1518, 9018]
- else:
- packet_sizes = [76, 512, 1518+4, 9018+4]
- size = packet_sizes[(i / 2) % len(packet_sizes)]
+ if isinstance(src_if, VppSubInterface):
+ p = src_if.add_dot1_layer(p)
+ size = packet_sizes[(i // 2) % len(packet_sizes)]
self.extend_packet(p, size)
pkts.append(p)
return pkts
- def verify_capture(self, o, capture):
- last_info = {}
+ def verify_capture(self, dst_if, capture):
+ info("Verifying capture on interface %s" % dst_if.name)
+ last_info = dict()
for i in self.interfaces:
- last_info[i] = None
+ last_info[i.sw_if_index] = None
+ is_sub_if = False
+ dst_sw_if_index = dst_if.sw_if_index
+ if hasattr(dst_if, 'parent'):
+ is_sub_if = True
for packet in capture:
- self.remove_dot1_layers(o, packet) # Check VLAN tags and Ethernet header
+ if is_sub_if:
+ # Check VLAN tags and Ethernet header
+ packet = dst_if.remove_dot1_layer(packet)
self.assertTrue(Dot1Q not in packet)
try:
ip = packet[IPv6]
udp = packet[UDP]
payload_info = self.payload_to_info(str(packet[Raw]))
packet_index = payload_info.index
- src_pg = payload_info.src
- dst_pg = payload_info.dst
- self.assertEqual(dst_pg, o)
- self.log("Got packet on port %u: src=%u (id=%u)" % (o, src_pg, packet_index), 2)
- next_info = self.get_next_packet_info_for_interface2(src_pg, dst_pg, last_info[src_pg])
- last_info[src_pg] = next_info
+ self.assertEqual(payload_info.dst, dst_sw_if_index)
+ debug("Got packet on port %s: src=%u (id=%u)" %
+ (dst_if.name, payload_info.src, packet_index))
+ next_info = self.get_next_packet_info_for_interface2(
+ payload_info.src, dst_sw_if_index,
+ last_info[payload_info.src])
+ last_info[payload_info.src] = next_info
self.assertTrue(next_info is not None)
self.assertEqual(packet_index, next_info.index)
saved_packet = next_info.data
self.assertEqual(udp.sport, saved_packet[UDP].sport)
self.assertEqual(udp.dport, saved_packet[UDP].dport)
except:
- self.log("Unexpected or invalid packet:")
- packet.show()
+ error("Unexpected or invalid packet:")
+ error(packet.show())
raise
for i in self.interfaces:
- remaining_packet = self.get_next_packet_info_for_interface2(i, o, last_info[i])
- self.assertTrue(remaining_packet is None, "Port %u: Packet expected from source %u didn't arrive" % (o, i))
+ remaining_packet = self.get_next_packet_info_for_interface2(
+ i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index])
+ self.assertTrue(
+ remaining_packet is None,
+ "Interface %s: Packet expected from interface %s didn't arrive" %
+ (dst_if.name, i.name))
def test_fib(self):
""" IPv6 FIB test """
- for i in self.interfaces:
- pkts = self.create_stream(i)
- self.pg_add_stream(i, pkts)
+ pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes)
+ self.pg0.add_stream(pkts)
+
+ for i in self.sub_interfaces:
+ pkts = self.create_stream(i, self.sub_if_packet_sizes)
+ i.parent.add_stream(pkts)
- self.pg_enable_capture(self.interfaces)
+ self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- for i in self.interfaces:
- out = self.pg_get_capture(i)
- self.log("Verifying capture %u" % i)
- self.verify_capture(i, out)
+ pkts = self.pg0.get_capture()
+ self.verify_capture(self.pg0, pkts)
+
+ for i in self.sub_interfaces:
+ pkts = i.parent.get_capture()
+ self.verify_capture(i, pkts)
if __name__ == '__main__':
- unittest.main(testRunner = VppTestRunner)
+ unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff