-#!/usr/bin/env python
+#!/usr/bin/env python3
import socket
+from socket import inet_pton, inet_ntop
import unittest
+from parameterized import parameterized
import scapy.layers.inet6 as inet6
+from scapy.layers.inet import UDP, IP
from scapy.contrib.mpls import MPLS
-from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6ND_RS, \
- ICMPv6ND_RA, ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \
- ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \
- ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply
-from scapy.layers.l2 import Ether, Dot1Q
+from scapy.layers.inet6 import (
+ IPv6,
+ ICMPv6ND_NS,
+ ICMPv6ND_RS,
+ ICMPv6ND_RA,
+ ICMPv6NDOptMTU,
+ ICMPv6NDOptSrcLLAddr,
+ ICMPv6NDOptPrefixInfo,
+ ICMPv6ND_NA,
+ ICMPv6NDOptDstLLAddr,
+ ICMPv6DestUnreach,
+ icmp6types,
+ ICMPv6TimeExceeded,
+ ICMPv6EchoRequest,
+ ICMPv6EchoReply,
+ IPv6ExtHdrHopByHop,
+ ICMPv6MLReport2,
+)
+from scapy.layers.l2 import Ether, Dot1Q, GRE
from scapy.packet import Raw
-from scapy.utils import inet_pton, inet_ntop
-from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \
- in6_mactoifaceid
+from scapy.utils6 import (
+ in6_getnsma,
+ in6_getnsmac,
+ in6_ptop,
+ in6_islladdr,
+)
from six import moves
-from framework import VppTestCase, VppTestRunner
-from util import ppp, ip6_normalize
-from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \
- VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \
- VppMplsRoute, VppMplsTable, VppIpTable, VppIpAddress
+from framework import VppTestCase
+from asfframework import VppTestRunner, tag_run_solo
+from util import ppp, ip6_normalize, mk_ll_addr
+from vpp_papi import VppEnum
+from vpp_ip import VppIpPuntPolicer, VppIpPuntRedirect, VppIpPathMtu
+from vpp_ip_route import (
+ VppIpRoute,
+ VppRoutePath,
+ find_route,
+ VppIpMRoute,
+ VppMRoutePath,
+ VppMplsIpBind,
+ VppMplsRoute,
+ VppMplsTable,
+ VppIpTable,
+ FibPathType,
+ FibPathProto,
+ VppIpInterfaceAddress,
+ find_route_in_dump,
+ find_mroute_in_dump,
+ VppIp6LinkLocalAddress,
+ VppIpRouteV2,
+)
from vpp_neighbor import find_nbr, VppNeighbor
+from vpp_ipip_tun_interface import VppIpIpTunInterface
from vpp_pg_interface import is_ipv6_misc
from vpp_sub_interface import VppSubInterface, VppDot1QSubint
+from vpp_policer import VppPolicer, PolicerAction
+from ipaddress import IPv6Network, IPv6Address
+from vpp_gre_interface import VppGreInterface
+from vpp_teib import VppTeib
AF_INET6 = socket.AF_INET6
+try:
+ text_type = unicode
+except NameError:
+ text_type = str
-def mk_ll_addr(mac):
- euid = in6_mactoifaceid(mac)
- addr = "fe80::" + euid
- return addr
+NUM_PKTS = 67
class TestIPv6ND(VppTestCase):
# the rx'd RA should be addressed to the sender's source
self.assertTrue(rx.haslayer(ICMPv6ND_RA))
- self.assertEqual(in6_ptop(rx[IPv6].dst),
- in6_ptop(dst_ip))
+ self.assertEqual(in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip))
# and come from the router's link local
self.assertTrue(in6_islladdr(rx[IPv6].src))
- self.assertEqual(in6_ptop(rx[IPv6].src),
- in6_ptop(mk_ll_addr(intf.local_mac)))
+ self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(mk_ll_addr(intf.local_mac)))
def validate_na(self, intf, rx, dst_ip=None, tgt_ip=None):
if not dst_ip:
# the rx'd NA should be addressed to the sender's source
self.assertTrue(rx.haslayer(ICMPv6ND_NA))
- self.assertEqual(in6_ptop(rx[IPv6].dst),
- in6_ptop(dst_ip))
+ self.assertEqual(in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip))
# and come from the target address
- self.assertEqual(
- in6_ptop(rx[IPv6].src), in6_ptop(tgt_ip))
+ self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(tgt_ip))
# Dest link-layer options should have the router's MAC
dll = rx[ICMPv6NDOptDstLLAddr]
# the rx'd NS should be addressed to an mcast address
# derived from the target address
- self.assertEqual(
- in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip))
+ self.assertEqual(in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip))
# expect the tgt IP in the NS header
ns = rx[ICMPv6ND_NS]
self.assertEqual(in6_ptop(ns.tgt), in6_ptop(tgt_ip))
# packet is from the router's local address
- self.assertEqual(
- in6_ptop(rx[IPv6].src), intf.local_ip6)
+ self.assertEqual(in6_ptop(rx[IPv6].src), intf.local_ip6_ll)
# Src link-layer options should have the router's MAC
sll = rx[ICMPv6NDOptSrcLLAddr]
self.assertEqual(sll.lladdr, intf.local_mac)
- def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None,
- filter_out_fn=is_ipv6_misc):
+ def send_and_expect_ra(
+ self, intf, pkts, remark, dst_ip=None, filter_out_fn=is_ipv6_misc
+ ):
intf.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = rx[0]
self.validate_ra(intf, rx, dst_ip)
- def send_and_expect_na(self, intf, pkts, remark, dst_ip=None,
- tgt_ip=None,
- filter_out_fn=is_ipv6_misc):
+ def send_and_expect_na(
+ self, intf, pkts, remark, dst_ip=None, tgt_ip=None, filter_out_fn=is_ipv6_misc
+ ):
intf.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = rx[0]
self.validate_na(intf, rx, dst_ip, tgt_ip)
- def send_and_expect_ns(self, tx_intf, rx_intf, pkts, tgt_ip,
- filter_out_fn=is_ipv6_misc):
+ def send_and_expect_ns(
+ self, tx_intf, rx_intf, pkts, tgt_ip, filter_out_fn=is_ipv6_misc
+ ):
+ self.vapi.cli("clear trace")
tx_intf.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.assertEqual(ip.src, sip)
self.assertEqual(ip.dst, dip)
+ def get_ip6_nd_rx_requests(self, itf):
+ """Get IP6 ND RX request stats for and interface"""
+ return self.statistics["/net/ip6-nd/rx/requests"][:, itf.sw_if_index].sum()
+
+ def get_ip6_nd_tx_requests(self, itf):
+ """Get IP6 ND TX request stats for and interface"""
+ return self.statistics["/net/ip6-nd/tx/requests"][:, itf.sw_if_index].sum()
+
+ def get_ip6_nd_rx_replies(self, itf):
+ """Get IP6 ND RX replies stats for and interface"""
+ return self.statistics["/net/ip6-nd/rx/replies"][:, itf.sw_if_index].sum()
+
+ def get_ip6_nd_tx_replies(self, itf):
+ """Get IP6 ND TX replies stats for and interface"""
+ return self.statistics["/net/ip6-nd/tx/replies"][:, itf.sw_if_index].sum()
+
+@tag_run_solo
class TestIPv6(TestIPv6ND):
- """ IPv6 Test Case """
+ """IPv6 Test Case"""
@classmethod
def setUpClass(cls):
super(TestIPv6, cls).setUpClass()
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPv6, cls).tearDownClass()
+
def setUp(self):
"""
Perform test setup before test case.
i.config_ip6()
i.resolve_ndp()
- # config 2M FIB entries
- self.config_fib_entries(200)
-
def tearDown(self):
"""Run standard test teardown and log ``show ip6 neighbors``."""
- for i in self.interfaces:
+ for i in reversed(self.interfaces):
i.unconfig_ip6()
- i.ip6_disable()
i.admin_down()
for i in self.sub_interfaces:
i.remove_vpp_config()
self.logger.info(self.vapi.cli("show ip6 neighbors"))
# info(self.vapi.cli("show ip6 fib")) # many entries
- def config_fib_entries(self, count):
- """For each interface add to the FIB table *count* routes to
- "fd02::1/128" destination with interface's local address as next-hop
- address.
-
- :param int count: Number of FIB entries.
-
- - *TODO:* check if the next-hop address shouldn't be remote address
- instead of local address.
- """
- n_int = len(self.interfaces)
- percent = 0
- counter = 0.0
- dest_addr = inet_pton(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 += 1
- if counter / count * 100 > percent:
- self.logger.info("Configure %d FIB entries .. %d%% done" %
- (count, percent))
- percent += 1
-
def modify_packet(self, src_if, packet_size, pkt):
"""Add load, set destination IP and extend packet to required packet
size for defined interface.
:param int packet_size: Required packet size.
:param Scapy pkt: Packet to be modified.
"""
- dst_if_idx = packet_size / 10 % 2
+ dst_if_idx = int(packet_size / 10 % 2)
dst_if = self.flows[src_if][dst_if_idx]
info = self.create_packet_info(src_if, dst_if)
payload = self.info_to_payload(info)
:param VppInterface src_if: Interface to create packet stream for.
"""
hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0
- pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IPv6(src=src_if.remote_ip6) /
- inet6.UDP(sport=1234, dport=1234))
-
- pkts = [self.modify_packet(src_if, i, pkt_tmpl)
- 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 moves.range(self.pg_if_packet_sizes[1] + hdr_ext,
- self.pg_if_packet_sizes[2] + hdr_ext,
- 50)]
+ pkt_tmpl = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IPv6(src=src_if.remote_ip6)
+ / inet6.UDP(sport=1234, dport=1234)
+ )
+
+ pkts = [
+ self.modify_packet(src_if, i, pkt_tmpl)
+ 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 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
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'):
+ if hasattr(dst_if, "parent"):
is_sub_if = True
for packet in capture:
if is_sub_if:
try:
ip = packet[IPv6]
udp = packet[inet6.UDP]
- payload_info = self.payload_to_info(str(packet[Raw]))
+ payload_info = self.payload_to_info(packet[Raw])
packet_index = payload_info.index
self.assertEqual(payload_info.dst, dst_sw_if_index)
self.logger.debug(
- "Got packet on port %s: src=%u (id=%u)" %
- (dst_if.name, payload_info.src, packet_index))
+ "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])
+ 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
# Check standard fields
- self.assertEqual(
- ip.src, saved_packet[IPv6].src)
- self.assertEqual(
- ip.dst, saved_packet[IPv6].dst)
- self.assertEqual(
- udp.sport, saved_packet[inet6.UDP].sport)
- self.assertEqual(
- udp.dport, saved_packet[inet6.UDP].dport)
+ self.assertEqual(ip.src, saved_packet[IPv6].src)
+ self.assertEqual(ip.dst, saved_packet[IPv6].dst)
+ self.assertEqual(udp.sport, saved_packet[inet6.UDP].sport)
+ self.assertEqual(udp.dport, saved_packet[inet6.UDP].dport)
except:
self.logger.error(ppp("Unexpected or invalid packet:", packet))
raise
for i in self.interfaces:
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))
+ 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_next_header_anomaly(self):
+ """IPv6 next header anomaly test
+
+ Test scenario:
+ - ipv6 next header field = Fragment Header (44)
+ - next header is ICMPv6 Echo Request
+ - wait for reassembly
+ """
+ pkt = (
+ Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6, nh=44)
+ / ICMPv6EchoRequest()
+ )
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+
+ # wait for reassembly
+ self.sleep(10)
def test_fib(self):
- """ IPv6 FIB test
+ """IPv6 FIB test
Test scenario:
- Create IPv6 stream for pg0 interface
self.verify_capture(i, pkts)
def test_ns(self):
- """ IPv6 Neighbour Solicitation Exceptions
+ """IPv6 Neighbour Solicitation Exceptions
Test scenario:
- Send an NS Sourced from an address not covered by the link sub-net
- Send NS for a target address the router does not onn.
"""
+ n_rx_req_pg0 = self.get_ip6_nd_rx_requests(self.pg0)
+ n_tx_rep_pg0 = self.get_ip6_nd_tx_replies(self.pg0)
+
#
# An NS from a non link source address
#
nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
d = inet_ntop(AF_INET6, nsma)
- p = (Ether(dst=in6_getnsmac(nsma)) /
- IPv6(dst=d, src="2002::2") /
- ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0.remote_mac))
+ p = (
+ Ether(dst=in6_getnsmac(nsma))
+ / IPv6(dst=d, src="2002::2")
+ / ICMPv6ND_NS(tgt=self.pg0.local_ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)
+ )
pkts = [p]
self.send_and_assert_no_replies(
- self.pg0, pkts,
- "No response to NS source by address not on sub-net")
+ self.pg0, pkts, "No response to NS source by address not on sub-net"
+ )
+ self.assert_equal(self.get_ip6_nd_rx_requests(self.pg0), n_rx_req_pg0 + 1)
#
# An NS for sent to a solicited mcast group the router is
nsma = in6_getnsma(inet_pton(AF_INET6, "fd::ffff"))
d = inet_ntop(AF_INET6, nsma)
- p = (Ether(dst=in6_getnsmac(nsma)) /
- IPv6(dst=d, src=self.pg0.remote_ip6) /
- ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0.remote_mac))
+ p = (
+ Ether(dst=in6_getnsmac(nsma))
+ / IPv6(dst=d, src=self.pg0.remote_ip6)
+ / ICMPv6ND_NS(tgt=self.pg0.local_ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)
+ )
pkts = [p]
self.send_and_assert_no_replies(
- self.pg0, pkts,
- "No response to NS sent to unjoined mcast address")
+ self.pg0, pkts, "No response to NS sent to unjoined mcast address"
+ )
#
# An NS whose target address is one the router does not own
nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
d = inet_ntop(AF_INET6, nsma)
- p = (Ether(dst=in6_getnsmac(nsma)) /
- IPv6(dst=d, src=self.pg0.remote_ip6) /
- ICMPv6ND_NS(tgt="fd::ffff") /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0.remote_mac))
+ p = (
+ Ether(dst=in6_getnsmac(nsma))
+ / IPv6(dst=d, src=self.pg0.remote_ip6)
+ / ICMPv6ND_NS(tgt="fd::ffff")
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)
+ )
pkts = [p]
- self.send_and_assert_no_replies(self.pg0, pkts,
- "No response to NS for unknown target")
+ self.send_and_assert_no_replies(
+ self.pg0, pkts, "No response to NS for unknown target"
+ )
+ self.assert_equal(self.get_ip6_nd_rx_requests(self.pg0), n_rx_req_pg0 + 2)
#
# A neighbor entry that has no associated FIB-entry
#
self.pg0.generate_remote_hosts(4)
- nd_entry = VppNeighbor(self,
- self.pg0.sw_if_index,
- self.pg0.remote_hosts[2].mac,
- self.pg0.remote_hosts[2].ip6,
- af=AF_INET6,
- is_no_fib_entry=1)
+ nd_entry = VppNeighbor(
+ self,
+ self.pg0.sw_if_index,
+ self.pg0.remote_hosts[2].mac,
+ self.pg0.remote_hosts[2].ip6,
+ is_no_fib_entry=1,
+ )
nd_entry.add_vpp_config()
#
# check we have the neighbor, but no route
#
- self.assertTrue(find_nbr(self,
- self.pg0.sw_if_index,
- self.pg0._remote_hosts[2].ip6,
- inet=AF_INET6))
- self.assertFalse(find_route(self,
- self.pg0._remote_hosts[2].ip6,
- 128,
- inet=AF_INET6))
+ self.assertTrue(
+ find_nbr(self, self.pg0.sw_if_index, self.pg0._remote_hosts[2].ip6)
+ )
+ self.assertFalse(find_route(self, self.pg0._remote_hosts[2].ip6, 128))
#
# send an NS from a link local address to the interface's global
# address
#
- p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
- IPv6(
- dst=d, src=self.pg0._remote_hosts[2].ip6_ll) /
- ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0.remote_mac))
+ p = (
+ Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac)
+ / IPv6(dst=d, src=self.pg0._remote_hosts[2].ip6_ll)
+ / ICMPv6ND_NS(tgt=self.pg0.local_ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)
+ )
- self.send_and_expect_na(self.pg0, p,
- "NS from link-local",
- dst_ip=self.pg0._remote_hosts[2].ip6_ll,
- tgt_ip=self.pg0.local_ip6)
+ self.send_and_expect_na(
+ self.pg0,
+ p,
+ "NS from link-local",
+ dst_ip=self.pg0._remote_hosts[2].ip6_ll,
+ tgt_ip=self.pg0.local_ip6,
+ )
+ self.assert_equal(self.get_ip6_nd_rx_requests(self.pg0), n_rx_req_pg0 + 3)
+ self.assert_equal(self.get_ip6_nd_tx_replies(self.pg0), n_tx_rep_pg0 + 1)
#
# we should have learned an ND entry for the peer's link-local
# but not inserted a route to it in the FIB
#
- self.assertTrue(find_nbr(self,
- self.pg0.sw_if_index,
- self.pg0._remote_hosts[2].ip6_ll,
- inet=AF_INET6))
- self.assertFalse(find_route(self,
- self.pg0._remote_hosts[2].ip6_ll,
- 128,
- inet=AF_INET6))
+ self.assertTrue(
+ find_nbr(self, self.pg0.sw_if_index, self.pg0._remote_hosts[2].ip6_ll)
+ )
+ self.assertFalse(find_route(self, self.pg0._remote_hosts[2].ip6_ll, 128))
#
# An NS to the router's own Link-local
#
- p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
- IPv6(
- dst=d, src=self.pg0._remote_hosts[3].ip6_ll) /
- ICMPv6ND_NS(tgt=self.pg0.local_ip6_ll) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0.remote_mac))
+ p = (
+ Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac)
+ / IPv6(dst=d, src=self.pg0._remote_hosts[3].ip6_ll)
+ / ICMPv6ND_NS(tgt=self.pg0.local_ip6_ll)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)
+ )
+
+ self.send_and_expect_na(
+ self.pg0,
+ p,
+ "NS to/from link-local",
+ dst_ip=self.pg0._remote_hosts[3].ip6_ll,
+ tgt_ip=self.pg0.local_ip6_ll,
+ )
+
+ #
+ # do not respond to a NS for the peer's address
+ #
+ p = (
+ Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac)
+ / IPv6(dst=d, src=self.pg0._remote_hosts[3].ip6_ll)
+ / ICMPv6ND_NS(tgt=self.pg0._remote_hosts[3].ip6_ll)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)
+ )
- self.send_and_expect_na(self.pg0, p,
- "NS to/from link-local",
- dst_ip=self.pg0._remote_hosts[3].ip6_ll,
- tgt_ip=self.pg0.local_ip6_ll)
+ self.send_and_assert_no_replies(self.pg0, p)
#
# we should have learned an ND entry for the peer's link-local
# but not inserted a route to it in the FIB
#
- self.assertTrue(find_nbr(self,
- self.pg0.sw_if_index,
- self.pg0._remote_hosts[3].ip6_ll,
- inet=AF_INET6))
- self.assertFalse(find_route(self,
- self.pg0._remote_hosts[3].ip6_ll,
- 128,
- inet=AF_INET6))
+ self.assertTrue(
+ find_nbr(self, self.pg0.sw_if_index, self.pg0._remote_hosts[3].ip6_ll)
+ )
+ self.assertFalse(find_route(self, self.pg0._remote_hosts[3].ip6_ll, 128))
+
+ def test_nd_incomplete(self):
+ """IP6-ND Incomplete"""
+ self.pg1.generate_remote_hosts(3)
+
+ p0 = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_hosts[1].ip6)
+ / UDP(sport=1234, dport=1234)
+ / Raw()
+ )
+
+ #
+ # a packet to an unresolved destination generates an ND request
+ #
+ n_tx_req_pg1 = self.get_ip6_nd_tx_requests(self.pg1)
+ self.send_and_expect_ns(self.pg0, self.pg1, p0, self.pg1.remote_hosts[1].ip6)
+ self.assert_equal(self.get_ip6_nd_tx_requests(self.pg1), n_tx_req_pg1 + 1)
+
+ #
+ # a reply to the request
+ #
+ self.assert_equal(self.get_ip6_nd_rx_replies(self.pg1), 0)
+ na = (
+ Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
+ / IPv6(dst=self.pg1.local_ip6, src=self.pg1.remote_hosts[1].ip6)
+ / ICMPv6ND_NA(tgt=self.pg1.remote_hosts[1].ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg1.remote_hosts[1].mac)
+ )
+ self.send_and_assert_no_replies(self.pg1, [na])
+ self.assert_equal(self.get_ip6_nd_rx_replies(self.pg1), 1)
def test_ns_duplicates(self):
- """ ND Duplicates"""
+ """ND Duplicates"""
#
# Generate some hosts on the LAN
#
# Add host 1 on pg1 and pg2
#
- ns_pg1 = VppNeighbor(self,
- self.pg1.sw_if_index,
- self.pg1.remote_hosts[1].mac,
- self.pg1.remote_hosts[1].ip6,
- af=AF_INET6)
+ ns_pg1 = VppNeighbor(
+ self,
+ self.pg1.sw_if_index,
+ self.pg1.remote_hosts[1].mac,
+ self.pg1.remote_hosts[1].ip6,
+ )
ns_pg1.add_vpp_config()
- ns_pg2 = VppNeighbor(self,
- self.pg2.sw_if_index,
- self.pg2.remote_mac,
- self.pg1.remote_hosts[1].ip6,
- af=AF_INET6)
+ ns_pg2 = VppNeighbor(
+ self,
+ self.pg2.sw_if_index,
+ self.pg2.remote_mac,
+ self.pg1.remote_hosts[1].ip6,
+ )
ns_pg2.add_vpp_config()
#
# IP packet destined for pg1 remote host arrives on pg1 again.
#
- p = (Ether(dst=self.pg0.local_mac,
- src=self.pg0.remote_mac) /
- IPv6(src=self.pg0.remote_ip6,
- dst=self.pg1.remote_hosts[1].ip6) /
- inet6.UDP(sport=1234, dport=1234) /
- Raw())
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_hosts[1].ip6)
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw()
+ )
self.pg0.add_stream(p)
self.pg_enable_capture(self.pg_interfaces)
rx1 = self.pg1.get_capture(1)
- self.verify_ip(rx1[0],
- self.pg1.local_mac,
- self.pg1.remote_hosts[1].mac,
- self.pg0.remote_ip6,
- self.pg1.remote_hosts[1].ip6)
+ self.verify_ip(
+ rx1[0],
+ self.pg1.local_mac,
+ self.pg1.remote_hosts[1].mac,
+ self.pg0.remote_ip6,
+ self.pg1.remote_hosts[1].ip6,
+ )
#
# remove the duplicate on pg1
- # packet stream shoud generate NSs out of pg1
+ # packet stream should generate NSs out of pg1
#
ns_pg1.remove_vpp_config()
- self.send_and_expect_ns(self.pg0, self.pg1,
- p, self.pg1.remote_hosts[1].ip6)
+ self.send_and_expect_ns(self.pg0, self.pg1, p, self.pg1.remote_hosts[1].ip6)
#
# Add it back
rx1 = self.pg1.get_capture(1)
- self.verify_ip(rx1[0],
- self.pg1.local_mac,
- self.pg1.remote_hosts[1].mac,
- self.pg0.remote_ip6,
- self.pg1.remote_hosts[1].ip6)
+ self.verify_ip(
+ rx1[0],
+ self.pg1.local_mac,
+ self.pg1.remote_hosts[1].mac,
+ self.pg0.remote_ip6,
+ self.pg1.remote_hosts[1].ip6,
+ )
- def validate_ra(self, intf, rx, dst_ip=None, mtu=9000, pi_opt=None):
+ def validate_ra(self, intf, rx, dst_ip=None, src_ip=None, mtu=9000, pi_opt=None):
if not dst_ip:
dst_ip = intf.remote_ip6
+ if not src_ip:
+ src_ip = mk_ll_addr(intf.local_mac)
# unicasted packets must come to the unicast mac
self.assertEqual(rx[Ether].dst, intf.remote_mac)
# the rx'd RA should be addressed to the sender's source
self.assertTrue(rx.haslayer(ICMPv6ND_RA))
- self.assertEqual(in6_ptop(rx[IPv6].dst),
- in6_ptop(dst_ip))
+ self.assertEqual(in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip))
# and come from the router's link local
self.assertTrue(in6_islladdr(rx[IPv6].src))
- self.assertEqual(in6_ptop(rx[IPv6].src),
- in6_ptop(mk_ll_addr(intf.local_mac)))
+ self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(src_ip))
# it should contain the links MTU
ra = rx[ICMPv6ND_RA]
if not pi_opt:
# the RA should not contain prefix information
- self.assertFalse(ra.haslayer(
- ICMPv6NDOptPrefixInfo))
+ self.assertFalse(ra.haslayer(ICMPv6NDOptPrefixInfo))
else:
raos = rx.getlayer(ICMPv6NDOptPrefixInfo, 1)
# the options are nested in the scapy packet in way that i cannot
# decipher how to decode. this 1st layer of option always returns
# nested classes, so a direct obj1=obj2 comparison always fails.
- # however, the getlayer(.., 2) does give one instnace.
- # so we cheat here and construct a new opt instnace for comparison
+ # however, the getlayer(.., 2) does give one instance.
+ # so we cheat here and construct a new opt instance for comparison
rd = ICMPv6NDOptPrefixInfo(
- prefixlen=raos.prefixlen,
- prefix=raos.prefix,
- L=raos.L,
- A=raos.A)
+ prefixlen=raos.prefixlen, prefix=raos.prefix, L=raos.L, A=raos.A
+ )
if type(pi_opt) is list:
for ii in range(len(pi_opt)):
self.assertEqual(pi_opt[ii], rd)
- rd = rx.getlayer(
- ICMPv6NDOptPrefixInfo, ii + 2)
+ rd = rx.getlayer(ICMPv6NDOptPrefixInfo, ii + 2)
else:
- self.assertEqual(pi_opt, raos)
-
- def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None,
- filter_out_fn=is_ipv6_misc,
- opt=None):
+ self.assertEqual(
+ pi_opt,
+ raos,
+ "Expected: %s, received: %s"
+ % (pi_opt.show(dump=True), raos.show(dump=True)),
+ )
+
+ def send_and_expect_ra(
+ self,
+ intf,
+ pkts,
+ remark,
+ dst_ip=None,
+ filter_out_fn=is_ipv6_misc,
+ opt=None,
+ src_ip=None,
+ ):
+ self.vapi.cli("clear trace")
intf.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.assertEqual(len(rx), 1)
rx = rx[0]
- self.validate_ra(intf, rx, dst_ip, pi_opt=opt)
+ self.validate_ra(intf, rx, dst_ip, src_ip=src_ip, pi_opt=opt)
+
+ def test_ip6_ra_dump(self):
+ """IPv6 RA dump"""
+
+ # Dump IPv6 RA for all interfaces
+ ip6_ra_dump = self.vapi.sw_interface_ip6nd_ra_dump(sw_if_index=0xFFFFFFFF)
+ self.assertEqual(len(ip6_ra_dump), len(self.interfaces))
+
+ for ip6_ra in ip6_ra_dump:
+ self.assertFalse(ip6_ra.send_radv)
+ self.assertEqual(ip6_ra.n_prefixes, 0)
+ self.assertEqual(len(ip6_ra.prefixes), 0)
+ self.assertEqual(ip6_ra.last_radv_time, 0.0)
+ self.assertEqual(ip6_ra.last_multicast_time, 0.0)
+ self.assertEqual(ip6_ra.next_multicast_time, 0.0)
+ self.assertEqual(ip6_ra.n_advertisements_sent, 0)
+ self.assertEqual(ip6_ra.n_solicitations_rcvd, 0)
+ self.assertEqual(ip6_ra.n_solicitations_dropped, 0)
+
+ # Enable sending IPv6 RA for an interface
+ self.pg0.ip6_ra_config(no=1, suppress=1)
+
+ # Add IPv6 RA prefixes for the interface
+ pfx0 = IPv6Network(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len), strict=False
+ )
+ pfx1 = IPv6Network("fafa::/96")
+ self.pg0.ip6_ra_prefix(pfx0, off_link=0, no_autoconfig=0)
+ self.pg0.ip6_ra_prefix(pfx1, off_link=1, no_autoconfig=1)
+
+ # Wait for multicast IPv6 RA
+ self.sleep(1)
+
+ # Dump IPv6 RA for the interface
+ ip6_ra_dump = self.vapi.sw_interface_ip6nd_ra_dump(
+ sw_if_index=self.pg0.sw_if_index
+ )
+ self.assertEqual(len(ip6_ra_dump), 1)
+ ip6_ra = ip6_ra_dump[0]
+
+ self.assertEqual(ip6_ra.sw_if_index, self.pg0.sw_if_index)
+ self.assertTrue(ip6_ra.send_radv)
+ self.assertEqual(ip6_ra.n_prefixes, 2)
+ self.assertEqual(len(ip6_ra.prefixes), 2)
+ self.assertEqual(ip6_ra.last_radv_time, 0.0)
+ self.assertGreater(ip6_ra.last_multicast_time, 0.0)
+ self.assertGreater(ip6_ra.next_multicast_time, 0.0)
+ self.assertGreater(ip6_ra.n_advertisements_sent, 0)
+ self.assertEqual(ip6_ra.n_solicitations_rcvd, 0)
+ self.assertEqual(ip6_ra.n_solicitations_dropped, 0)
+
+ self.assertEqual(ip6_ra.prefixes[0].prefix, pfx0)
+ self.assertTrue(ip6_ra.prefixes[0].onlink_flag)
+ self.assertTrue(ip6_ra.prefixes[0].autonomous_flag)
+ self.assertFalse(ip6_ra.prefixes[0].no_advertise)
+
+ self.assertEqual(ip6_ra.prefixes[1].prefix, pfx1)
+ self.assertFalse(ip6_ra.prefixes[1].onlink_flag)
+ self.assertFalse(ip6_ra.prefixes[1].autonomous_flag)
+ self.assertFalse(ip6_ra.prefixes[1].no_advertise)
+
+ # Reset sending IPv6 RA for the interface
+ self.pg0.ip6_ra_config(suppress=1)
+
+ # Remove IPv6 RA prefixes for the interface
+ self.pg0.ip6_ra_prefix(pfx0, is_no=1)
+ self.pg0.ip6_ra_prefix(pfx1, is_no=1)
+
+ # Dump IPv6 RA for the interface
+ ip6_ra_dump = self.vapi.sw_interface_ip6nd_ra_dump(
+ sw_if_index=self.pg0.sw_if_index
+ )
+ self.assertEqual(len(ip6_ra_dump), 1)
+ ip6_ra = ip6_ra_dump[0]
+
+ self.assertEqual(ip6_ra.sw_if_index, self.pg0.sw_if_index)
+ self.assertFalse(ip6_ra.send_radv)
+ self.assertEqual(ip6_ra.n_prefixes, 0)
+ self.assertEqual(len(ip6_ra.prefixes), 0)
def test_rs(self):
- """ IPv6 Router Solicitation Exceptions
+ """IPv6 Router Solicitation Exceptions
Test scenario:
"""
+ self.pg0.ip6_ra_config(no=1, suppress=1)
+
#
# Before we begin change the IPv6 RA responses to use the unicast
# address - that way we will not confuse them with the periodic
# An RS from a link source address
# - expect an RA in return
#
- p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IPv6(
- dst=self.pg0.local_ip6, src=self.pg0.remote_ip6) /
- ICMPv6ND_RS())
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(dst=self.pg0.local_ip6, src=self.pg0.remote_ip6)
+ / ICMPv6ND_RS()
+ )
pkts = [p]
self.send_and_expect_ra(self.pg0, pkts, "Genuine RS")
self.send_and_assert_no_replies(self.pg0, pkts, "RA rate limited")
#
- # When we reconfiure the IPv6 RA config, we reset the RA rate limiting,
+ # When we reconfigure the IPv6 RA config,
+ # we reset the RA rate limiting,
# so we need to do this before each test below so as not to drop
# packets for rate limiting reasons. Test this works here.
#
# An RS sent from a non-link local source
#
self.pg0.ip6_ra_config(send_unicast=1)
- p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IPv6(dst=self.pg0.local_ip6,
- src="2002::ffff") /
- ICMPv6ND_RS())
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(dst=self.pg0.local_ip6, src="2002::ffff")
+ / ICMPv6ND_RS()
+ )
pkts = [p]
- self.send_and_assert_no_replies(self.pg0, pkts,
- "RS from non-link source")
+ self.send_and_assert_no_replies(self.pg0, pkts, "RS from non-link source")
#
# Source an RS from a link local address
#
self.pg0.ip6_ra_config(send_unicast=1)
ll = mk_ll_addr(self.pg0.remote_mac)
- p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IPv6(dst=self.pg0.local_ip6, src=ll) /
- ICMPv6ND_RS())
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(dst=self.pg0.local_ip6, src=ll)
+ / ICMPv6ND_RS()
+ )
+ pkts = [p]
+ self.send_and_expect_ra(self.pg0, pkts, "RS sourced from link-local", dst_ip=ll)
+
+ #
+ # Source an RS from a link local address
+ # Ensure suppress also applies to solicited RS
+ #
+ self.pg0.ip6_ra_config(send_unicast=1, suppress=1)
+ ll = mk_ll_addr(self.pg0.remote_mac)
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(dst=self.pg0.local_ip6, src=ll)
+ / ICMPv6ND_RS()
+ )
pkts = [p]
- self.send_and_expect_ra(self.pg0, pkts,
- "RS sourced from link-local",
- dst_ip=ll)
+ self.send_and_assert_no_replies(self.pg0, pkts, "Suppressed RS from link-local")
#
# Send the RS multicast
#
+ self.pg0.ip6_ra_config(no=1, suppress=1) # Reset suppress flag to zero
self.pg0.ip6_ra_config(send_unicast=1)
dmac = in6_getnsmac(inet_pton(AF_INET6, "ff02::2"))
ll = mk_ll_addr(self.pg0.remote_mac)
- p = (Ether(dst=dmac, src=self.pg0.remote_mac) /
- IPv6(dst="ff02::2", src=ll) /
- ICMPv6ND_RS())
+ p = (
+ Ether(dst=dmac, src=self.pg0.remote_mac)
+ / IPv6(dst="ff02::2", src=ll)
+ / ICMPv6ND_RS()
+ )
pkts = [p]
- self.send_and_expect_ra(self.pg0, pkts,
- "RS sourced from link-local",
- dst_ip=ll)
+ self.send_and_expect_ra(self.pg0, pkts, "RS sourced from link-local", dst_ip=ll)
#
# Source from the unspecified address ::. This happens when the RS
# If we happen to pick up the periodic RA at this point then so be it,
# it's not an error.
#
- self.pg0.ip6_ra_config(send_unicast=1, suppress=1)
- p = (Ether(dst=dmac, src=self.pg0.remote_mac) /
- IPv6(dst="ff02::2", src="::") /
- ICMPv6ND_RS())
+ self.pg0.ip6_ra_config(send_unicast=1)
+ p = (
+ Ether(dst=dmac, src=self.pg0.remote_mac)
+ / IPv6(dst="ff02::2", src="::")
+ / ICMPv6ND_RS()
+ )
pkts = [p]
- self.send_and_expect_ra(self.pg0, pkts,
- "RS sourced from unspecified",
- dst_ip="ff02::1",
- filter_out_fn=None)
+ self.send_and_expect_ra(
+ self.pg0,
+ pkts,
+ "RS sourced from unspecified",
+ dst_ip="ff02::1",
+ filter_out_fn=None,
+ )
#
# Configure The RA to announce the links prefix
#
- self.pg0.ip6_ra_prefix(self.pg0.local_ip6n,
- self.pg0.local_ip6_prefix_len)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len)
+ )
#
# RAs should now contain the prefix information option
#
opt = ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg0.local_ip6_prefix_len,
- prefix=self.pg0.local_ip6,
- L=1,
- A=1)
+ prefixlen=self.pg0.local_ip6_prefix_len, prefix=self.pg0.local_ip6, L=1, A=1
+ )
self.pg0.ip6_ra_config(send_unicast=1)
ll = mk_ll_addr(self.pg0.remote_mac)
- p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IPv6(dst=self.pg0.local_ip6, src=ll) /
- ICMPv6ND_RS())
- self.send_and_expect_ra(self.pg0, p,
- "RA with prefix-info",
- dst_ip=ll,
- opt=opt)
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(dst=self.pg0.local_ip6, src=ll)
+ / ICMPv6ND_RS()
+ )
+ self.send_and_expect_ra(self.pg0, p, "RA with prefix-info", dst_ip=ll, opt=opt)
#
# Change the prefix info to not off-link
# L-flag is clear
#
- self.pg0.ip6_ra_prefix(self.pg0.local_ip6n,
- self.pg0.local_ip6_prefix_len,
- off_link=1)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len), off_link=1
+ )
opt = ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg0.local_ip6_prefix_len,
- prefix=self.pg0.local_ip6,
- L=0,
- A=1)
+ prefixlen=self.pg0.local_ip6_prefix_len, prefix=self.pg0.local_ip6, L=0, A=1
+ )
self.pg0.ip6_ra_config(send_unicast=1)
- self.send_and_expect_ra(self.pg0, p,
- "RA with Prefix info with L-flag=0",
- dst_ip=ll,
- opt=opt)
+ self.send_and_expect_ra(
+ self.pg0, p, "RA with Prefix info with L-flag=0", dst_ip=ll, opt=opt
+ )
#
# Change the prefix info to not off-link, no-autoconfig
# L and A flag are clear in the advert
#
- self.pg0.ip6_ra_prefix(self.pg0.local_ip6n,
- self.pg0.local_ip6_prefix_len,
- off_link=1,
- no_autoconfig=1)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len),
+ off_link=1,
+ no_autoconfig=1,
+ )
opt = ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg0.local_ip6_prefix_len,
- prefix=self.pg0.local_ip6,
- L=0,
- A=0)
+ prefixlen=self.pg0.local_ip6_prefix_len, prefix=self.pg0.local_ip6, L=0, A=0
+ )
self.pg0.ip6_ra_config(send_unicast=1)
- self.send_and_expect_ra(self.pg0, p,
- "RA with Prefix info with A & L-flag=0",
- dst_ip=ll,
- opt=opt)
+ self.send_and_expect_ra(
+ self.pg0, p, "RA with Prefix info with A & L-flag=0", dst_ip=ll, opt=opt
+ )
#
# Change the flag settings back to the defaults
# L and A flag are set in the advert
#
- self.pg0.ip6_ra_prefix(self.pg0.local_ip6n,
- self.pg0.local_ip6_prefix_len)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len)
+ )
opt = ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg0.local_ip6_prefix_len,
- prefix=self.pg0.local_ip6,
- L=1,
- A=1)
+ prefixlen=self.pg0.local_ip6_prefix_len, prefix=self.pg0.local_ip6, L=1, A=1
+ )
self.pg0.ip6_ra_config(send_unicast=1)
- self.send_and_expect_ra(self.pg0, p,
- "RA with Prefix info",
- dst_ip=ll,
- opt=opt)
+ self.send_and_expect_ra(self.pg0, p, "RA with Prefix info", dst_ip=ll, opt=opt)
#
# Change the prefix info to not off-link, no-autoconfig
# L and A flag are clear in the advert
#
- self.pg0.ip6_ra_prefix(self.pg0.local_ip6n,
- self.pg0.local_ip6_prefix_len,
- off_link=1,
- no_autoconfig=1)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len),
+ off_link=1,
+ no_autoconfig=1,
+ )
opt = ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg0.local_ip6_prefix_len,
- prefix=self.pg0.local_ip6,
- L=0,
- A=0)
+ prefixlen=self.pg0.local_ip6_prefix_len, prefix=self.pg0.local_ip6, L=0, A=0
+ )
self.pg0.ip6_ra_config(send_unicast=1)
- self.send_and_expect_ra(self.pg0, p,
- "RA with Prefix info with A & L-flag=0",
- dst_ip=ll,
- opt=opt)
+ self.send_and_expect_ra(
+ self.pg0, p, "RA with Prefix info with A & L-flag=0", dst_ip=ll, opt=opt
+ )
#
- # Use the reset to defults option to revert to defaults
+ # Use the reset to defaults option to revert to defaults
# L and A flag are clear in the advert
#
- self.pg0.ip6_ra_prefix(self.pg0.local_ip6n,
- self.pg0.local_ip6_prefix_len,
- use_default=1)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len), use_default=1
+ )
opt = ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg0.local_ip6_prefix_len,
- prefix=self.pg0.local_ip6,
- L=1,
- A=1)
+ prefixlen=self.pg0.local_ip6_prefix_len, prefix=self.pg0.local_ip6, L=1, A=1
+ )
self.pg0.ip6_ra_config(send_unicast=1)
- self.send_and_expect_ra(self.pg0, p,
- "RA with Prefix reverted to defaults",
- dst_ip=ll,
- opt=opt)
+ self.send_and_expect_ra(
+ self.pg0, p, "RA with Prefix reverted to defaults", dst_ip=ll, opt=opt
+ )
#
# Advertise Another prefix. With no L-flag/A-flag
#
- self.pg0.ip6_ra_prefix(self.pg1.local_ip6n,
- self.pg1.local_ip6_prefix_len,
- off_link=1,
- no_autoconfig=1)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg1.local_ip6, self.pg1.local_ip6_prefix_len),
+ off_link=1,
+ no_autoconfig=1,
+ )
- opt = [ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg0.local_ip6_prefix_len,
- prefix=self.pg0.local_ip6,
- L=1,
- A=1),
+ opt = [
+ ICMPv6NDOptPrefixInfo(
+ prefixlen=self.pg0.local_ip6_prefix_len,
+ prefix=self.pg0.local_ip6,
+ L=1,
+ A=1,
+ ),
ICMPv6NDOptPrefixInfo(
prefixlen=self.pg1.local_ip6_prefix_len,
prefix=self.pg1.local_ip6,
L=0,
- A=0)]
+ A=0,
+ ),
+ ]
self.pg0.ip6_ra_config(send_unicast=1)
ll = mk_ll_addr(self.pg0.remote_mac)
- p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IPv6(dst=self.pg0.local_ip6, src=ll) /
- ICMPv6ND_RS())
- self.send_and_expect_ra(self.pg0, p,
- "RA with multiple Prefix infos",
- dst_ip=ll,
- opt=opt)
+ p = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(dst=self.pg0.local_ip6, src=ll)
+ / ICMPv6ND_RS()
+ )
+ self.send_and_expect_ra(
+ self.pg0, p, "RA with multiple Prefix infos", dst_ip=ll, opt=opt
+ )
#
- # Remove the first refix-info - expect the second is still in the
+ # Remove the first prefix-info - expect the second is still in the
# advert
#
- self.pg0.ip6_ra_prefix(self.pg0.local_ip6n,
- self.pg0.local_ip6_prefix_len,
- is_no=1)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len), is_no=1
+ )
opt = ICMPv6NDOptPrefixInfo(
- prefixlen=self.pg1.local_ip6_prefix_len,
- prefix=self.pg1.local_ip6,
- L=0,
- A=0)
+ prefixlen=self.pg1.local_ip6_prefix_len, prefix=self.pg1.local_ip6, L=0, A=0
+ )
self.pg0.ip6_ra_config(send_unicast=1)
- self.send_and_expect_ra(self.pg0, p,
- "RA with Prefix reverted to defaults",
- dst_ip=ll,
- opt=opt)
+ self.send_and_expect_ra(
+ self.pg0, p, "RA with Prefix reverted to defaults", dst_ip=ll, opt=opt
+ )
+
+ #
+ # Remove the second prefix-info - expect no prefix-info in the adverts
+ #
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg1.local_ip6, self.pg1.local_ip6_prefix_len), is_no=1
+ )
#
- # Remove the second prefix-info - expect no prefix-info i nthe adverts
+ # change the link's link local, so we know that works too.
#
- self.pg0.ip6_ra_prefix(self.pg1.local_ip6n,
- self.pg1.local_ip6_prefix_len,
- is_no=1)
+ self.vapi.sw_interface_ip6_set_link_local_address(
+ sw_if_index=self.pg0.sw_if_index, ip="fe80::88"
+ )
self.pg0.ip6_ra_config(send_unicast=1)
- self.send_and_expect_ra(self.pg0, p,
- "RA with Prefix reverted to defaults",
- dst_ip=ll)
+ self.send_and_expect_ra(
+ self.pg0,
+ p,
+ "RA with Prefix reverted to defaults",
+ dst_ip=ll,
+ src_ip="fe80::88",
+ )
#
# Reset the periodic advertisements back to default values
#
- self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0)
+ self.pg0.ip6_ra_config(suppress=1)
+ self.pg0.ip6_ra_config(no=1, send_unicast=1)
+
+ def test_mld(self):
+ """MLD Report"""
+ #
+ # test one MLD is sent after applying an IPv6 Address on an interface
+ #
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ subitf = VppDot1QSubint(self, self.pg1, 99)
+ self.interfaces.append(subitf)
+ self.sub_interfaces.append(subitf)
+
+ subitf.admin_up()
+ subitf.config_ip6()
+
+ rxs = self.pg1._get_capture(timeout=4, filter_out_fn=None)
+
+ #
+ # hunt for the MLD on vlan 99
+ #
+ for rx in rxs:
+ # make sure ipv6 packets with hop by hop options have
+ # correct checksums
+ self.assert_packet_checksums_valid(rx)
+ if (
+ rx.haslayer(IPv6ExtHdrHopByHop)
+ and rx.haslayer(Dot1Q)
+ and rx[Dot1Q].vlan == 99
+ ):
+ mld = rx[ICMPv6MLReport2]
+
+ self.assertEqual(mld.records_number, 4)
+
+
+class TestIPv6RouteLookup(VppTestCase):
+ """IPv6 Route Lookup Test Case"""
+
+ routes = []
+
+ def route_lookup(self, prefix, exact):
+ return self.vapi.api(
+ self.vapi.papi.ip_route_lookup,
+ {
+ "table_id": 0,
+ "exact": exact,
+ "prefix": prefix,
+ },
+ )
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIPv6RouteLookup, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPv6RouteLookup, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIPv6RouteLookup, self).setUp()
+
+ drop_nh = VppRoutePath("::1", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_DROP)
+
+ # Add 3 routes
+ r = VppIpRoute(self, "2001:1111::", 32, [drop_nh])
+ r.add_vpp_config()
+ self.routes.append(r)
+
+ r = VppIpRoute(self, "2001:1111:2222::", 48, [drop_nh])
+ r.add_vpp_config()
+ self.routes.append(r)
+
+ r = VppIpRoute(self, "2001:1111:2222::1", 128, [drop_nh])
+ r.add_vpp_config()
+ self.routes.append(r)
+
+ def tearDown(self):
+ # Remove the routes we added
+ for r in self.routes:
+ r.remove_vpp_config()
+
+ super(TestIPv6RouteLookup, self).tearDown()
+
+ def test_exact_match(self):
+ # Verify we find the host route
+ prefix = "2001:1111:2222::1/128"
+ result = self.route_lookup(prefix, True)
+ assert prefix == str(result.route.prefix)
+
+ # Verify we find a middle prefix route
+ prefix = "2001:1111:2222::/48"
+ result = self.route_lookup(prefix, True)
+ assert prefix == str(result.route.prefix)
+
+ # Verify we do not find an available LPM.
+ with self.vapi.assert_negative_api_retval():
+ self.route_lookup("2001::2/128", True)
+
+ def test_longest_prefix_match(self):
+ # verify we find lpm
+ lpm_prefix = "2001:1111:2222::/48"
+ result = self.route_lookup("2001:1111:2222::2/128", False)
+ assert lpm_prefix == str(result.route.prefix)
+
+ # Verify we find the exact when not requested
+ result = self.route_lookup(lpm_prefix, False)
+ assert lpm_prefix == str(result.route.prefix)
+
+ # Can't seem to delete the default route so no negative LPM test.
+
+
+class TestIPv6IfAddrRoute(VppTestCase):
+ """IPv6 Interface Addr Route Test Case"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIPv6IfAddrRoute, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPv6IfAddrRoute, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIPv6IfAddrRoute, self).setUp()
+
+ # create 1 pg interface
+ self.create_pg_interfaces(range(1))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestIPv6IfAddrRoute, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_ipv6_ifaddrs_same_prefix(self):
+ """IPv6 Interface Addresses Same Prefix test
+
+ Test scenario:
+
+ - Verify no route in FIB for prefix 2001:10::/64
+ - Configure IPv4 address 2001:10::10/64 on an interface
+ - Verify route in FIB for prefix 2001:10::/64
+ - Configure IPv4 address 2001:10::20/64 on an interface
+ - Delete 2001:10::10/64 from interface
+ - Verify route in FIB for prefix 2001:10::/64
+ - Delete 2001:10::20/64 from interface
+ - Verify no route in FIB for prefix 2001:10::/64
+ """
+
+ addr1 = "2001:10::10"
+ addr2 = "2001:10::20"
+
+ if_addr1 = VppIpInterfaceAddress(self, self.pg0, addr1, 64)
+ if_addr2 = VppIpInterfaceAddress(self, self.pg0, addr2, 64)
+ self.assertFalse(if_addr1.query_vpp_config())
+ self.assertFalse(find_route(self, addr1, 128))
+ self.assertFalse(find_route(self, addr2, 128))
+
+ # configure first address, verify route present
+ if_addr1.add_vpp_config()
+ self.assertTrue(if_addr1.query_vpp_config())
+ self.assertTrue(find_route(self, addr1, 128))
+ self.assertFalse(find_route(self, addr2, 128))
+
+ # configure second address, delete first, verify route not removed
+ if_addr2.add_vpp_config()
+ if_addr1.remove_vpp_config()
+ self.assertFalse(if_addr1.query_vpp_config())
+ self.assertTrue(if_addr2.query_vpp_config())
+ self.assertFalse(find_route(self, addr1, 128))
+ self.assertTrue(find_route(self, addr2, 128))
+
+ # delete second address, verify route removed
+ if_addr2.remove_vpp_config()
+ self.assertFalse(if_addr1.query_vpp_config())
+ self.assertFalse(find_route(self, addr1, 128))
+ self.assertFalse(find_route(self, addr2, 128))
+
+ def test_ipv6_ifaddr_del(self):
+ """Delete an interface address that does not exist"""
+
+ loopbacks = self.create_loopback_interfaces(1)
+ lo = self.lo_interfaces[0]
+
+ lo.config_ip6()
+ lo.admin_up()
+
+ #
+ # try and remove pg0's subnet from lo
+ #
+ with self.vapi.assert_negative_api_retval():
+ self.vapi.sw_interface_add_del_address(
+ sw_if_index=lo.sw_if_index, prefix=self.pg0.local_ip6_prefix, is_add=0
+ )
class TestICMPv6Echo(VppTestCase):
- """ ICMPv6 Echo Test Case """
+ """ICMPv6 Echo Test Case"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestICMPv6Echo, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestICMPv6Echo, cls).tearDownClass()
def setUp(self):
super(TestICMPv6Echo, self).setUp()
for i in self.pg_interfaces:
i.admin_up()
i.config_ip6()
+ i.resolve_ndp(link_layer=True)
i.resolve_ndp()
def tearDown(self):
super(TestICMPv6Echo, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip6()
- i.ip6_disable()
i.admin_down()
def test_icmpv6_echo(self):
- """ VPP replies to ICMPv6 Echo Request
+ """VPP replies to ICMPv6 Echo Request
Test scenario:
- Check outgoing ICMPv6 Echo Reply message on pg0 interface.
"""
- icmpv6_id = 0xb
- icmpv6_seq = 5
- icmpv6_data = '\x0a' * 18
- p_echo_request = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src=self.pg0.remote_ip6,
- dst=self.pg0.local_ip6) /
- ICMPv6EchoRequest(
- id=icmpv6_id,
- seq=icmpv6_seq,
- data=icmpv6_data))
-
- self.pg0.add_stream(p_echo_request)
+ # test both with global and local ipv6 addresses
+ dsts = (self.pg0.local_ip6, self.pg0.local_ip6_ll)
+ id = 0xB
+ seq = 5
+ data = b"\x0a" * 18
+ p = list()
+ for dst in dsts:
+ p.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=dst)
+ / ICMPv6EchoRequest(id=id, seq=seq, data=data)
+ )
+ )
+
+ self.pg0.add_stream(p)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
-
- rx = self.pg0.get_capture(1)
- rx = rx[0]
- ether = rx[Ether]
- ipv6 = rx[IPv6]
- icmpv6 = rx[ICMPv6EchoReply]
-
- self.assertEqual(ether.src, self.pg0.local_mac)
- self.assertEqual(ether.dst, self.pg0.remote_mac)
-
- self.assertEqual(ipv6.src, self.pg0.local_ip6)
- self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
-
- self.assertEqual(
- icmp6types[icmpv6.type], "Echo Reply")
- self.assertEqual(icmpv6.id, icmpv6_id)
- self.assertEqual(icmpv6.seq, icmpv6_seq)
- self.assertEqual(icmpv6.data, icmpv6_data)
+ rxs = self.pg0.get_capture(len(dsts))
+
+ for rx, dst in zip(rxs, dsts):
+ ether = rx[Ether]
+ ipv6 = rx[IPv6]
+ icmpv6 = rx[ICMPv6EchoReply]
+ self.assertEqual(ether.src, self.pg0.local_mac)
+ self.assertEqual(ether.dst, self.pg0.remote_mac)
+ self.assertEqual(ipv6.src, dst)
+ self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
+ self.assertEqual(icmp6types[icmpv6.type], "Echo Reply")
+ self.assertEqual(icmpv6.id, id)
+ self.assertEqual(icmpv6.seq, seq)
+ self.assertEqual(icmpv6.data, data)
class TestIPv6RD(TestIPv6ND):
- """ IPv6 Router Discovery Test Case """
+ """IPv6 Router Discovery Test Case"""
@classmethod
def setUpClass(cls):
super(TestIPv6RD, cls).setUpClass()
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPv6RD, cls).tearDownClass()
+
def setUp(self):
super(TestIPv6RD, self).setUp()
super(TestIPv6RD, self).tearDown()
def test_rd_send_router_solicitation(self):
- """ Verify router solicitation packets """
+ """Verify router solicitation packets"""
count = 2
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- self.vapi.ip6nd_send_router_solicitation(self.pg1.sw_if_index,
- mrc=count)
+ self.vapi.ip6nd_send_router_solicitation(self.pg1.sw_if_index, mrc=count)
rx_list = self.pg1.get_capture(count, timeout=3)
self.assertEqual(len(rx_list), count)
for packet in rx_list:
self.assertEqual(packet.haslayer(IPv6), 1)
- self.assertEqual(packet[IPv6].haslayer(
- ICMPv6ND_RS), 1)
+ self.assertEqual(packet[IPv6].haslayer(ICMPv6ND_RS), 1)
dst = ip6_normalize(packet[IPv6].dst)
dst2 = ip6_normalize("ff02::2")
self.assert_equal(dst, dst2)
src = ip6_normalize(packet[IPv6].src)
src2 = ip6_normalize(self.pg1.local_ip6_ll)
self.assert_equal(src, src2)
- self.assertTrue(
- bool(packet[ICMPv6ND_RS].haslayer(
- ICMPv6NDOptSrcLLAddr)))
- self.assert_equal(
- packet[ICMPv6NDOptSrcLLAddr].lladdr,
- self.pg1.local_mac)
+ self.assertTrue(bool(packet[ICMPv6ND_RS].haslayer(ICMPv6NDOptSrcLLAddr)))
+ self.assert_equal(packet[ICMPv6NDOptSrcLLAddr].lladdr, self.pg1.local_mac)
def verify_prefix_info(self, reported_prefix, prefix_option):
- prefix = socket.inet_pton(socket.AF_INET6,
- prefix_option.getfieldval("prefix"))
- self.assert_equal(reported_prefix.dst_address, prefix)
- self.assert_equal(reported_prefix.dst_address_length,
- prefix_option.getfieldval("prefixlen"))
+ prefix = IPv6Network(
+ text_type(
+ prefix_option.getfieldval("prefix")
+ + "/"
+ + text_type(prefix_option.getfieldval("prefixlen"))
+ ),
+ strict=False,
+ )
+ self.assert_equal(
+ reported_prefix.prefix.network_address, prefix.network_address
+ )
L = prefix_option.getfieldval("L")
A = prefix_option.getfieldval("A")
option_flags = (L << 7) | (A << 6)
self.assert_equal(reported_prefix.flags, option_flags)
- self.assert_equal(reported_prefix.valid_time,
- prefix_option.getfieldval("validlifetime"))
- self.assert_equal(reported_prefix.preferred_time,
- prefix_option.getfieldval("preferredlifetime"))
+ self.assert_equal(
+ reported_prefix.valid_time, prefix_option.getfieldval("validlifetime")
+ )
+ self.assert_equal(
+ reported_prefix.preferred_time,
+ prefix_option.getfieldval("preferredlifetime"),
+ )
def test_rd_receive_router_advertisement(self):
- """ Verify events triggered by received RA packets """
+ """Verify events triggered by received RA packets"""
- self.vapi.want_ip6_ra_events()
+ self.vapi.want_ip6_ra_events(enable=1)
prefix_info_1 = ICMPv6NDOptPrefixInfo(
prefix="1::2",
A=0,
)
- p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
- IPv6(dst=self.pg1.local_ip6_ll,
- src=mk_ll_addr(self.pg1.remote_mac)) /
- ICMPv6ND_RA() /
- prefix_info_1 /
- prefix_info_2)
+ p = (
+ Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
+ / IPv6(dst=self.pg1.local_ip6_ll, src=mk_ll_addr(self.pg1.remote_mac))
+ / ICMPv6ND_RA()
+ / prefix_info_1
+ / prefix_info_2
+ )
self.pg1.add_stream([p])
self.pg_start()
self.assert_equal(ev.router_lifetime_in_sec, 1800)
self.assert_equal(ev.neighbor_reachable_time_in_msec, 0)
self.assert_equal(
- ev.time_in_msec_between_retransmitted_neighbor_solicitations, 0)
+ ev.time_in_msec_between_retransmitted_neighbor_solicitations, 0
+ )
self.assert_equal(ev.n_prefixes, 2)
class TestIPv6RDControlPlane(TestIPv6ND):
- """ IPv6 Router Discovery Control Plane Test Case """
+ """IPv6 Router Discovery Control Plane Test Case"""
@classmethod
def setUpClass(cls):
super(TestIPv6RDControlPlane, cls).setUpClass()
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPv6RDControlPlane, cls).tearDownClass()
+
def setUp(self):
super(TestIPv6RDControlPlane, self).setUp()
ra = ICMPv6ND_RA(routerlifetime=routerlifetime)
else:
ra = ICMPv6ND_RA()
- p = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
- IPv6(dst=dst_ip, src=src_ip) / ra)
+ p = (
+ Ether(dst=pg.local_mac, src=pg.remote_mac)
+ / IPv6(dst=dst_ip, src=src_ip)
+ / ra
+ )
return p
@staticmethod
def get_default_routes(fib):
list = []
for entry in fib:
- if entry.address_length == 0:
- for path in entry.path:
+ if entry.route.prefix.prefixlen == 0:
+ for path in entry.route.paths:
if path.sw_if_index != 0xFFFFFFFF:
defaut_route = {}
- defaut_route['sw_if_index'] = path.sw_if_index
- defaut_route['next_hop'] = path.next_hop
+ defaut_route["sw_if_index"] = path.sw_if_index
+ defaut_route["next_hop"] = path.nh.address.ip6
list.append(defaut_route)
return list
def get_interface_addresses(fib, pg):
list = []
for entry in fib:
- if entry.address_length == 128:
- path = entry.path[0]
+ if entry.route.prefix.prefixlen == 128:
+ path = entry.route.paths[0]
if path.sw_if_index == pg.sw_if_index:
- list.append(entry.address)
+ list.append(str(entry.route.prefix.network_address))
return list
+ def wait_for_no_default_route(self, n_tries=50, s_time=1):
+ while n_tries:
+ fib = self.vapi.ip_route_dump(0, True)
+ default_routes = self.get_default_routes(fib)
+ if 0 == len(default_routes):
+ return True
+ n_tries = n_tries - 1
+ self.sleep(s_time)
+
+ return False
+
def test_all(self):
- """ Test handling of SLAAC addresses and default routes """
+ """Test handling of SLAAC addresses and default routes"""
- fib = self.vapi.ip6_fib_dump()
+ fib = self.vapi.ip_route_dump(0, True)
default_routes = self.get_default_routes(fib)
initial_addresses = set(self.get_interface_addresses(fib, self.pg0))
self.assertEqual(default_routes, [])
- router_address = self.pg0.remote_ip6n_ll
+ router_address = IPv6Address(text_type(self.pg0.remote_ip6_ll))
self.vapi.ip6_nd_address_autoconfig(self.pg0.sw_if_index, 1, 1)
self.sleep(0.1)
# send RA
- packet = (self.create_ra_packet(
- self.pg0) / ICMPv6NDOptPrefixInfo(
- prefix="1::",
- prefixlen=64,
- validlifetime=2,
- preferredlifetime=2,
- L=1,
- A=1,
- ) / ICMPv6NDOptPrefixInfo(
- prefix="7::",
- prefixlen=20,
- validlifetime=1500,
- preferredlifetime=1000,
- L=1,
- A=0,
- ))
+ packet = (
+ self.create_ra_packet(self.pg0)
+ / ICMPv6NDOptPrefixInfo(
+ prefix="1::",
+ prefixlen=64,
+ validlifetime=2,
+ preferredlifetime=2,
+ L=1,
+ A=1,
+ )
+ / ICMPv6NDOptPrefixInfo(
+ prefix="7::",
+ prefixlen=20,
+ validlifetime=1500,
+ preferredlifetime=1000,
+ L=1,
+ A=0,
+ )
+ )
self.pg0.add_stream([packet])
self.pg_start()
- self.sleep(0.1)
+ self.sleep_on_vpp_time(0.1)
- fib = self.vapi.ip6_fib_dump()
+ fib = self.vapi.ip_route_dump(0, True)
# check FIB for new address
addresses = set(self.get_interface_addresses(fib, self.pg0))
new_addresses = addresses.difference(initial_addresses)
self.assertEqual(len(new_addresses), 1)
- prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0'
- self.assertEqual(inet_ntop(AF_INET6, prefix), '1::')
+ prefix = IPv6Network(
+ text_type("%s/%d" % (list(new_addresses)[0], 20)), strict=False
+ )
+ self.assertEqual(prefix, IPv6Network(text_type("1::/20")))
# check FIB for new default route
default_routes = self.get_default_routes(fib)
self.assertEqual(len(default_routes), 1)
dr = default_routes[0]
- self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
- self.assertEqual(dr['next_hop'], router_address)
+ self.assertEqual(dr["sw_if_index"], self.pg0.sw_if_index)
+ self.assertEqual(dr["next_hop"], router_address)
# send RA to delete default route
packet = self.create_ra_packet(self.pg0, routerlifetime=0)
self.pg0.add_stream([packet])
self.pg_start()
- self.sleep(0.1)
+ self.sleep_on_vpp_time(0.1)
# check that default route is deleted
- fib = self.vapi.ip6_fib_dump()
+ fib = self.vapi.ip_route_dump(0, True)
default_routes = self.get_default_routes(fib)
self.assertEqual(len(default_routes), 0)
- self.sleep(0.1)
+ self.sleep_on_vpp_time(0.1)
# send RA
packet = self.create_ra_packet(self.pg0)
self.pg0.add_stream([packet])
self.pg_start()
- self.sleep(0.1)
+ self.sleep_on_vpp_time(0.1)
# check FIB for new default route
- fib = self.vapi.ip6_fib_dump()
+ fib = self.vapi.ip_route_dump(0, True)
default_routes = self.get_default_routes(fib)
self.assertEqual(len(default_routes), 1)
dr = default_routes[0]
- self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
- self.assertEqual(dr['next_hop'], router_address)
+ self.assertEqual(dr["sw_if_index"], self.pg0.sw_if_index)
+ self.assertEqual(dr["next_hop"], router_address)
# send RA, updating router lifetime to 1s
packet = self.create_ra_packet(self.pg0, 1)
self.pg0.add_stream([packet])
self.pg_start()
- self.sleep(0.1)
+ self.sleep_on_vpp_time(0.1)
# check that default route still exists
- fib = self.vapi.ip6_fib_dump()
+ fib = self.vapi.ip_route_dump(0, True)
default_routes = self.get_default_routes(fib)
self.assertEqual(len(default_routes), 1)
dr = default_routes[0]
- self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
- self.assertEqual(dr['next_hop'], router_address)
+ self.assertEqual(dr["sw_if_index"], self.pg0.sw_if_index)
+ self.assertEqual(dr["next_hop"], router_address)
- self.sleep(1)
+ self.sleep_on_vpp_time(1)
# check that default route is deleted
- fib = self.vapi.ip6_fib_dump()
- default_routes = self.get_default_routes(fib)
- self.assertEqual(len(default_routes), 0)
+ self.assertTrue(self.wait_for_no_default_route())
# check FIB still contains the SLAAC address
addresses = set(self.get_interface_addresses(fib, self.pg0))
new_addresses = addresses.difference(initial_addresses)
+
self.assertEqual(len(new_addresses), 1)
- prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0'
- self.assertEqual(inet_ntop(AF_INET6, prefix), '1::')
+ prefix = IPv6Network(
+ text_type("%s/%d" % (list(new_addresses)[0], 20)), strict=False
+ )
+ self.assertEqual(prefix, IPv6Network(text_type("1::/20")))
- self.sleep(1)
+ self.sleep_on_vpp_time(1)
# check that SLAAC address is deleted
- fib = self.vapi.ip6_fib_dump()
+ fib = self.vapi.ip_route_dump(0, True)
addresses = set(self.get_interface_addresses(fib, self.pg0))
new_addresses = addresses.difference(initial_addresses)
self.assertEqual(len(new_addresses), 0)
class IPv6NDProxyTest(TestIPv6ND):
- """ IPv6 ND ProxyTest Case """
+ """IPv6 ND ProxyTest Case"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(IPv6NDProxyTest, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(IPv6NDProxyTest, cls).tearDownClass()
def setUp(self):
super(IPv6NDProxyTest, self).setUp()
super(IPv6NDProxyTest, self).tearDown()
def test_nd_proxy(self):
- """ IPv6 Proxy ND """
+ """IPv6 Proxy ND"""
#
# Generate some hosts in the subnet that we are proxying
# expect no response since it's from an address that is not
# on the link that has the prefix configured
#
- ns_pg1 = (Ether(dst=in6_getnsmac(nsma), src=self.pg1.remote_mac) /
- IPv6(dst=d,
- src=self.pg0._remote_hosts[2].ip6) /
- ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0._remote_hosts[2].mac))
+ ns_pg1 = (
+ Ether(dst=in6_getnsmac(nsma), src=self.pg1.remote_mac)
+ / IPv6(dst=d, src=self.pg0._remote_hosts[2].ip6)
+ / ICMPv6ND_NS(tgt=self.pg0.local_ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0._remote_hosts[2].mac)
+ )
self.send_and_assert_no_replies(self.pg1, ns_pg1, "Off link NS")
#
# Add proxy support for the host
#
- self.vapi.ip6_nd_proxy(
- inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
- self.pg1.sw_if_index)
+ self.vapi.ip6nd_proxy_add_del(
+ is_add=1,
+ ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
+ sw_if_index=self.pg1.sw_if_index,
+ )
#
# try that NS again. this time we expect an NA back
#
- self.send_and_expect_na(self.pg1, ns_pg1,
- "NS to proxy entry",
- dst_ip=self.pg0._remote_hosts[2].ip6,
- tgt_ip=self.pg0.local_ip6)
+ self.send_and_expect_na(
+ self.pg1,
+ ns_pg1,
+ "NS to proxy entry",
+ dst_ip=self.pg0._remote_hosts[2].ip6,
+ tgt_ip=self.pg0.local_ip6,
+ )
#
# ... and that we have an entry in the ND cache
#
- self.assertTrue(find_nbr(self,
- self.pg1.sw_if_index,
- self.pg0._remote_hosts[2].ip6,
- inet=AF_INET6))
+ self.assertTrue(
+ find_nbr(self, self.pg1.sw_if_index, self.pg0._remote_hosts[2].ip6)
+ )
#
# ... and we can route traffic to it
#
- t = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IPv6(dst=self.pg0._remote_hosts[2].ip6,
- src=self.pg0.remote_ip6) /
- inet6.UDP(sport=10000, dport=20000) /
- Raw('\xa5' * 100))
+ t = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(dst=self.pg0._remote_hosts[2].ip6, src=self.pg0.remote_ip6)
+ / inet6.UDP(sport=10000, dport=20000)
+ / Raw(b"\xa5" * 100)
+ )
self.pg0.add_stream(t)
self.pg_enable_capture(self.pg_interfaces)
self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac)
self.assertEqual(rx[Ether].src, self.pg1.local_mac)
- self.assertEqual(rx[IPv6].src,
- t[IPv6].src)
- self.assertEqual(rx[IPv6].dst,
- t[IPv6].dst)
+ self.assertEqual(rx[IPv6].src, t[IPv6].src)
+ self.assertEqual(rx[IPv6].dst, t[IPv6].dst)
#
# Test we proxy for the host on the main interface
#
- ns_pg0 = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
- IPv6(dst=d, src=self.pg0.remote_ip6) /
- ICMPv6ND_NS(
- tgt=self.pg0._remote_hosts[2].ip6) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0.remote_mac))
+ ns_pg0 = (
+ Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac)
+ / IPv6(dst=d, src=self.pg0.remote_ip6)
+ / ICMPv6ND_NS(tgt=self.pg0._remote_hosts[2].ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)
+ )
- self.send_and_expect_na(self.pg0, ns_pg0,
- "NS to proxy entry on main",
- tgt_ip=self.pg0._remote_hosts[2].ip6,
- dst_ip=self.pg0.remote_ip6)
+ self.send_and_expect_na(
+ self.pg0,
+ ns_pg0,
+ "NS to proxy entry on main",
+ tgt_ip=self.pg0._remote_hosts[2].ip6,
+ dst_ip=self.pg0.remote_ip6,
+ )
#
# Setup and resolve proxy for another host on another interface
#
- ns_pg2 = (Ether(dst=in6_getnsmac(nsma), src=self.pg2.remote_mac) /
- IPv6(dst=d,
- src=self.pg0._remote_hosts[3].ip6) /
- ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg0._remote_hosts[2].mac))
+ ns_pg2 = (
+ Ether(dst=in6_getnsmac(nsma), src=self.pg2.remote_mac)
+ / IPv6(dst=d, src=self.pg0._remote_hosts[3].ip6)
+ / ICMPv6ND_NS(tgt=self.pg0.local_ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0._remote_hosts[2].mac)
+ )
- self.vapi.ip6_nd_proxy(
- inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
- self.pg2.sw_if_index)
+ self.vapi.ip6nd_proxy_add_del(
+ is_add=1,
+ ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
+ sw_if_index=self.pg2.sw_if_index,
+ )
- self.send_and_expect_na(self.pg2, ns_pg2,
- "NS to proxy entry other interface",
- dst_ip=self.pg0._remote_hosts[3].ip6,
- tgt_ip=self.pg0.local_ip6)
+ self.send_and_expect_na(
+ self.pg2,
+ ns_pg2,
+ "NS to proxy entry other interface",
+ dst_ip=self.pg0._remote_hosts[3].ip6,
+ tgt_ip=self.pg0.local_ip6,
+ )
- self.assertTrue(find_nbr(self,
- self.pg2.sw_if_index,
- self.pg0._remote_hosts[3].ip6,
- inet=AF_INET6))
+ self.assertTrue(
+ find_nbr(self, self.pg2.sw_if_index, self.pg0._remote_hosts[3].ip6)
+ )
#
# hosts can communicate. pg2->pg1
#
- t2 = (Ether(dst=self.pg2.local_mac,
- src=self.pg0.remote_hosts[3].mac) /
- IPv6(dst=self.pg0._remote_hosts[2].ip6,
- src=self.pg0._remote_hosts[3].ip6) /
- inet6.UDP(sport=10000, dport=20000) /
- Raw('\xa5' * 100))
+ t2 = (
+ Ether(dst=self.pg2.local_mac, src=self.pg0.remote_hosts[3].mac)
+ / IPv6(dst=self.pg0._remote_hosts[2].ip6, src=self.pg0._remote_hosts[3].ip6)
+ / inet6.UDP(sport=10000, dport=20000)
+ / Raw(b"\xa5" * 100)
+ )
self.pg2.add_stream(t2)
self.pg_enable_capture(self.pg_interfaces)
self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac)
self.assertEqual(rx[Ether].src, self.pg1.local_mac)
- self.assertEqual(rx[IPv6].src,
- t2[IPv6].src)
- self.assertEqual(rx[IPv6].dst,
- t2[IPv6].dst)
+ self.assertEqual(rx[IPv6].src, t2[IPv6].src)
+ self.assertEqual(rx[IPv6].dst, t2[IPv6].dst)
#
# remove the proxy configs
#
- self.vapi.ip6_nd_proxy(
- inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
- self.pg1.sw_if_index,
- is_del=1)
- self.vapi.ip6_nd_proxy(
- inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
- self.pg2.sw_if_index,
- is_del=1)
+ self.vapi.ip6nd_proxy_add_del(
+ ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=0,
+ )
+ self.vapi.ip6nd_proxy_add_del(
+ ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
+ sw_if_index=self.pg2.sw_if_index,
+ is_add=0,
+ )
- self.assertFalse(find_nbr(self,
- self.pg2.sw_if_index,
- self.pg0._remote_hosts[3].ip6,
- inet=AF_INET6))
- self.assertFalse(find_nbr(self,
- self.pg1.sw_if_index,
- self.pg0._remote_hosts[2].ip6,
- inet=AF_INET6))
+ self.assertFalse(
+ find_nbr(self, self.pg2.sw_if_index, self.pg0._remote_hosts[3].ip6)
+ )
+ self.assertFalse(
+ find_nbr(self, self.pg1.sw_if_index, self.pg0._remote_hosts[2].ip6)
+ )
#
# no longer proxy-ing...
self.assertTrue(rx[0].haslayer(ICMPv6ND_NS))
-class TestIPNull(VppTestCase):
- """ IPv6 routes via NULL """
+class TestIP6Null(VppTestCase):
+ """IPv6 routes via NULL"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6Null, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6Null, cls).tearDownClass()
def setUp(self):
- super(TestIPNull, self).setUp()
+ super(TestIP6Null, self).setUp()
# create 2 pg interfaces
self.create_pg_interfaces(range(1))
i.resolve_ndp()
def tearDown(self):
- super(TestIPNull, self).tearDown()
+ super(TestIP6Null, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip6()
i.admin_down()
def test_ip_null(self):
- """ IP NULL route """
+ """IP NULL route"""
- p = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src=self.pg0.remote_ip6, dst="2001::1") /
- inet6.UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst="2001::1")
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
#
# A route via IP NULL that will reply with ICMP unreachables
#
- ip_unreach = VppIpRoute(self, "2001::", 64, [], is_unreach=1, is_ip6=1)
+ ip_unreach = VppIpRoute(
+ self,
+ "2001::",
+ 64,
+ [
+ VppRoutePath(
+ "::", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_ICMP_UNREACH
+ )
+ ],
+ )
ip_unreach.add_vpp_config()
self.pg0.add_stream(p)
#
# A route via IP NULL that will reply with ICMP prohibited
#
- ip_prohibit = VppIpRoute(self, "2001::1", 128, [],
- is_prohibit=1, is_ip6=1)
+ ip_prohibit = VppIpRoute(
+ self,
+ "2001::1",
+ 128,
+ [
+ VppRoutePath(
+ "::", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_ICMP_PROHIBIT
+ )
+ ],
+ )
ip_prohibit.add_vpp_config()
self.pg0.add_stream(p)
self.assertEqual(icmp.code, 1)
-class TestIPDisabled(VppTestCase):
- """ IPv6 disabled """
+class TestIP6Disabled(VppTestCase):
+ """IPv6 disabled"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6Disabled, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6Disabled, cls).tearDownClass()
def setUp(self):
- super(TestIPDisabled, self).setUp()
+ super(TestIP6Disabled, self).setUp()
# create 2 pg interfaces
self.create_pg_interfaces(range(2))
- # PG0 is IP enalbed
+ # PG0 is IP enabled
self.pg0.admin_up()
self.pg0.config_ip6()
self.pg0.resolve_ndp()
self.pg1.admin_up()
def tearDown(self):
- super(TestIPDisabled, self).tearDown()
+ super(TestIP6Disabled, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip4()
i.admin_down()
def test_ip_disabled(self):
- """ IP Disabled """
+ """IP Disabled"""
+ MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
+ MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
#
# An (S,G).
# one accepting interface, pg0, 2 forwarding interfaces
route_ff_01 = VppIpMRoute(
self,
"::",
- "ffef::1", 128,
- MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [VppMRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- VppMRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
- is_ip6=1)
+ "ffef::1",
+ 128,
+ MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
+ [
+ VppMRoutePath(
+ self.pg1.sw_if_index, MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT
+ ),
+ VppMRoutePath(
+ self.pg0.sw_if_index, MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD
+ ),
+ ],
+ )
route_ff_01.add_vpp_config()
- pu = (Ether(src=self.pg1.remote_mac,
- dst=self.pg1.local_mac) /
- IPv6(src="2001::1", dst=self.pg0.remote_ip6) /
- inet6.UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- pm = (Ether(src=self.pg1.remote_mac,
- dst=self.pg1.local_mac) /
- IPv6(src="2001::1", dst="ffef::1") /
- inet6.UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ pu = (
+ Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ / IPv6(src="2001::1", dst=self.pg0.remote_ip6)
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ pm = (
+ Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ / IPv6(src="2001::1", dst="ffef::1")
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
#
# PG1 does not forward IP traffic
class TestIP6LoadBalance(VppTestCase):
- """ IPv6 Load-Balancing """
+ """IPv6 Load-Balancing"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6LoadBalance, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6LoadBalance, cls).tearDownClass()
def setUp(self):
super(TestIP6LoadBalance, self).setUp()
i.disable_mpls()
super(TestIP6LoadBalance, self).tearDown()
- def send_and_expect_load_balancing(self, input, pkts, outputs):
- self.vapi.cli("clear trace")
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- for oo in outputs:
- rx = oo._get_capture(1)
- self.assertNotEqual(0, len(rx))
-
- def send_and_expect_one_itf(self, input, pkts, itf):
- self.vapi.cli("clear trace")
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- rx = itf.get_capture(len(pkts))
-
def test_ip6_load_balance(self):
- """ IPv6 Load-Balancing """
+ """IPv6 Load-Balancing"""
#
# An array of packets that differ only in the destination port
src_ip_pkts = []
src_mpls_pkts = []
- for ii in range(65):
+ for ii in range(NUM_PKTS):
port_ip_hdr = (
- IPv6(dst="3000::1", src="3000:1::1") /
- inet6.UDP(sport=1234, dport=1234 + ii) /
- Raw('\xa5' * 100))
- port_ip_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- port_ip_hdr))
- port_mpls_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- MPLS(label=66, ttl=2) /
- port_ip_hdr))
- port_mpls_neos_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- MPLS(label=67, ttl=2) /
- MPLS(label=77, ttl=2) /
- port_ip_hdr))
- port_ent_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- MPLS(label=67, ttl=2) /
- MPLS(label=14, ttl=2) /
- MPLS(label=999, ttl=2) /
- port_ip_hdr))
+ IPv6(dst="3000::1", src="3000:1::1")
+ / inet6.UDP(sport=1234, dport=1234 + ii)
+ / Raw(b"\xa5" * 100)
+ )
+ port_ip_pkts.append(
+ (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / port_ip_hdr)
+ )
+ port_mpls_pkts.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / MPLS(label=66, ttl=2)
+ / port_ip_hdr
+ )
+ )
+ port_mpls_neos_pkts.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / MPLS(label=67, ttl=2)
+ / MPLS(label=77, ttl=2)
+ / port_ip_hdr
+ )
+ )
+ port_ent_pkts.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / MPLS(label=67, ttl=2)
+ / MPLS(label=14, ttl=2)
+ / MPLS(label=999, ttl=2)
+ / port_ip_hdr
+ )
+ )
src_ip_hdr = (
- IPv6(dst="3000::1", src="3000:1::%d" % ii) /
- inet6.UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- src_ip_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- src_ip_hdr))
- src_mpls_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- MPLS(label=66, ttl=2) /
- src_ip_hdr))
-
- #
- # A route for the IP pacekts
- #
- route_3000_1 = VppIpRoute(self, "3000::1", 128,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6),
- VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ IPv6(dst="3000::1", src="3000:1::%d" % ii)
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ src_ip_pkts.append(
+ (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / src_ip_hdr)
+ )
+ src_mpls_pkts.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / MPLS(label=66, ttl=2)
+ / src_ip_hdr
+ )
+ )
+
+ #
+ # A route for the IP packets
+ #
+ route_3000_1 = VppIpRoute(
+ self,
+ "3000::1",
+ 128,
+ [
+ VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index),
+ VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index),
+ ],
+ )
route_3000_1.add_vpp_config()
#
#
# An MPLS route for the non-EOS packets
#
- route_67 = VppMplsRoute(self, 67, 0,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index,
- labels=[67],
- proto=DpoProto.DPO_PROTO_IP6),
- VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index,
- labels=[67],
- proto=DpoProto.DPO_PROTO_IP6)])
+ route_67 = VppMplsRoute(
+ self,
+ 67,
+ 0,
+ [
+ VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index, labels=[67]),
+ VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index, labels=[67]),
+ ],
+ )
route_67.add_vpp_config()
#
# src,dst
# We are not going to ensure equal amounts of packets across each link,
# since the hash algorithm is statistical and therefore this can never
- # be guaranteed. But wuth 64 different packets we do expect some
+ # be guaranteed. But with 64 different packets we do expect some
# balancing. So instead just ensure there is traffic on each link.
#
- self.send_and_expect_load_balancing(self.pg0, port_ip_pkts,
- [self.pg1, self.pg2])
- self.send_and_expect_load_balancing(self.pg0, src_ip_pkts,
- [self.pg1, self.pg2])
- self.send_and_expect_load_balancing(self.pg0, port_mpls_pkts,
- [self.pg1, self.pg2])
- self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts,
- [self.pg1, self.pg2])
- self.send_and_expect_load_balancing(self.pg0, port_mpls_neos_pkts,
- [self.pg1, self.pg2])
+ rx = self.send_and_expect_load_balancing(
+ self.pg0, port_ip_pkts, [self.pg1, self.pg2]
+ )
+ n_ip_pg0 = len(rx[0])
+ self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, [self.pg1, self.pg2])
+ self.send_and_expect_load_balancing(
+ self.pg0, port_mpls_pkts, [self.pg1, self.pg2]
+ )
+ self.send_and_expect_load_balancing(
+ self.pg0, src_mpls_pkts, [self.pg1, self.pg2]
+ )
+ rx = self.send_and_expect_load_balancing(
+ self.pg0, port_mpls_neos_pkts, [self.pg1, self.pg2]
+ )
+ n_mpls_pg0 = len(rx[0])
+
+ #
+ # change the router ID and expect the distribution changes
+ #
+ self.vapi.set_ip_flow_hash_router_id(router_id=0x11111111)
+
+ rx = self.send_and_expect_load_balancing(
+ self.pg0, port_ip_pkts, [self.pg1, self.pg2]
+ )
+ self.assertNotEqual(n_ip_pg0, len(rx[0]))
+
+ rx = self.send_and_expect_load_balancing(
+ self.pg0, src_mpls_pkts, [self.pg1, self.pg2]
+ )
+ self.assertNotEqual(n_mpls_pg0, len(rx[0]))
#
# The packets with Entropy label in should not load-balance,
- # since the Entorpy value is fixed.
+ # since the Entropy value is fixed.
#
- self.send_and_expect_one_itf(self.pg0, port_ent_pkts, self.pg1)
+ self.send_and_expect_only(self.pg0, port_ent_pkts, self.pg1)
#
# change the flow hash config so it's only IP src,dst
# - now only the stream with differing source address will
# load-balance
#
- self.vapi.set_ip_flow_hash(0, is_ip6=1, src=1, dst=1, sport=0, dport=0)
+ self.vapi.set_ip_flow_hash(
+ vrf_id=0, src=1, dst=1, proto=1, sport=0, dport=0, is_ipv6=1
+ )
- self.send_and_expect_load_balancing(self.pg0, src_ip_pkts,
- [self.pg1, self.pg2])
- self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts,
- [self.pg1, self.pg2])
- self.send_and_expect_one_itf(self.pg0, port_ip_pkts, self.pg2)
+ self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, [self.pg1, self.pg2])
+ self.send_and_expect_load_balancing(
+ self.pg0, src_mpls_pkts, [self.pg1, self.pg2]
+ )
+ self.send_and_expect_only(self.pg0, port_ip_pkts, self.pg2)
#
# change the flow hash config back to defaults
#
- self.vapi.set_ip_flow_hash(0, is_ip6=1, src=1, dst=1, sport=1, dport=1)
+ self.vapi.set_ip_flow_hash(
+ vrf_id=0, src=1, dst=1, sport=1, dport=1, proto=1, is_ipv6=1
+ )
#
# Recursive prefixes
src_pkts = []
for ii in range(257):
- port_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(dst="4000::1",
- src="4000:1::1") /
- inet6.UDP(sport=1234,
- dport=1234 + ii) /
- Raw('\xa5' * 100)))
- src_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(dst="4000::1",
- src="4000:1::%d" % ii) /
- inet6.UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100)))
-
- route_3000_2 = VppIpRoute(self, "3000::2", 128,
- [VppRoutePath(self.pg3.remote_ip6,
- self.pg3.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6),
- VppRoutePath(self.pg4.remote_ip6,
- self.pg4.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ port_pkts.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(dst="4000::1", src="4000:1::1")
+ / inet6.UDP(sport=1234, dport=1234 + ii)
+ / Raw(b"\xa5" * 100)
+ )
+ )
+ src_pkts.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(dst="4000::1", src="4000:1::%d" % ii)
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ )
+
+ route_3000_2 = VppIpRoute(
+ self,
+ "3000::2",
+ 128,
+ [
+ VppRoutePath(self.pg3.remote_ip6, self.pg3.sw_if_index),
+ VppRoutePath(self.pg4.remote_ip6, self.pg4.sw_if_index),
+ ],
+ )
route_3000_2.add_vpp_config()
- route_4000_1 = VppIpRoute(self, "4000::1", 128,
- [VppRoutePath("3000::1",
- 0xffffffff,
- proto=DpoProto.DPO_PROTO_IP6),
- VppRoutePath("3000::2",
- 0xffffffff,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ route_4000_1 = VppIpRoute(
+ self,
+ "4000::1",
+ 128,
+ [VppRoutePath("3000::1", 0xFFFFFFFF), VppRoutePath("3000::2", 0xFFFFFFFF)],
+ )
route_4000_1.add_vpp_config()
#
# inject the packet on pg0 - expect load-balancing across all 4 paths
#
self.vapi.cli("clear trace")
- self.send_and_expect_load_balancing(self.pg0, port_pkts,
- [self.pg1, self.pg2,
- self.pg3, self.pg4])
- self.send_and_expect_load_balancing(self.pg0, src_pkts,
- [self.pg1, self.pg2,
- self.pg3, self.pg4])
+ self.send_and_expect_load_balancing(
+ self.pg0, port_pkts, [self.pg1, self.pg2, self.pg3, self.pg4]
+ )
+ self.send_and_expect_load_balancing(
+ self.pg0, src_pkts, [self.pg1, self.pg2, self.pg3, self.pg4]
+ )
#
# Recursive prefixes
port_pkts = []
for ii in range(257):
- port_pkts.append((Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(dst="6000::1",
- src="6000:1::1") /
- inet6.UDP(sport=1234,
- dport=1234 + ii) /
- Raw('\xa5' * 100)))
-
- route_5000_2 = VppIpRoute(self, "5000::2", 128,
- [VppRoutePath(self.pg3.remote_ip6,
- self.pg3.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ port_pkts.append(
+ (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(dst="6000::1", src="6000:1::1")
+ / inet6.UDP(sport=1234, dport=1234 + ii)
+ / Raw(b"\xa5" * 100)
+ )
+ )
+
+ route_5000_2 = VppIpRoute(
+ self,
+ "5000::2",
+ 128,
+ [VppRoutePath(self.pg3.remote_ip6, self.pg3.sw_if_index)],
+ )
route_5000_2.add_vpp_config()
- route_6000_1 = VppIpRoute(self, "6000::1", 128,
- [VppRoutePath("5000::2",
- 0xffffffff,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ route_6000_1 = VppIpRoute(
+ self, "6000::1", 128, [VppRoutePath("5000::2", 0xFFFFFFFF)]
+ )
route_6000_1.add_vpp_config()
#
# inject the packet on pg0 - expect load-balancing across all 4 paths
#
self.vapi.cli("clear trace")
- self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3)
-
+ self.send_and_expect_only(self.pg0, port_pkts, self.pg3)
-class TestIP6Punt(VppTestCase):
- """ IPv6 Punt Police/Redirect """
- def setUp(self):
- super(TestIP6Punt, self).setUp()
+class IP6PuntSetup(object):
+ """Setup for IPv6 Punt Police/Redirect"""
+ def punt_setup(self):
self.create_pg_interfaces(range(4))
for i in self.pg_interfaces:
i.config_ip6()
i.resolve_ndp()
- def tearDown(self):
- super(TestIP6Punt, self).tearDown()
+ self.pkt = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6)
+ / inet6.TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+
+ def punt_teardown(self):
for i in self.pg_interfaces:
i.unconfig_ip6()
i.admin_down()
- def test_ip_punt(self):
- """ IP6 punt police and redirect """
- p = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src=self.pg0.remote_ip6,
- dst=self.pg0.local_ip6) /
- inet6.TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+class TestIP6Punt(IP6PuntSetup, VppTestCase):
+ """IPv6 Punt Police/Redirect"""
+
+ def setUp(self):
+ super(TestIP6Punt, self).setUp()
+ super(TestIP6Punt, self).punt_setup()
+
+ def tearDown(self):
+ super(TestIP6Punt, self).punt_teardown()
+ super(TestIP6Punt, self).tearDown()
+
+ def test_ip_punt(self):
+ """IP6 punt police and redirect"""
- pkts = p * 1025
+ pkts = self.pkt * 1025
#
# Configure a punt redirect via pg1.
#
- nh_addr = VppIpAddress(self.pg1.remote_ip6).encode()
- self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
- self.pg1.sw_if_index,
- nh_addr)
+ nh_addr = self.pg1.remote_ip6
+ ip_punt_redirect = VppIpPuntRedirect(
+ self, self.pg0.sw_if_index, self.pg1.sw_if_index, nh_addr
+ )
+ ip_punt_redirect.add_vpp_config()
self.send_and_expect(self.pg0, pkts, self.pg1)
#
# add a policer
#
- policer = self.vapi.policer_add_del("ip6-punt", 400, 0, 10, 0,
- rate_type=1)
- self.vapi.ip_punt_police(policer.policer_index, is_ip6=1)
+ policer = VppPolicer(self, "ip6-punt", 400, 0, 10, 0, rate_type=1)
+ policer.add_vpp_config()
+ ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index, is_ip6=True)
+ ip_punt_policer.add_vpp_config()
self.vapi.cli("clear trace")
self.pg0.add_stream(pkts)
self.pg_start()
#
- # the number of packet recieved should be greater than 0,
+ # the number of packet received should be greater than 0,
# but not equal to the number sent, since some were policed
#
rx = self.pg1._get_capture(1)
+ stats = policer.get_stats()
+
+ # Single rate policer - expect conform, violate but no exceed
+ self.assertGreater(stats["conform_packets"], 0)
+ self.assertEqual(stats["exceed_packets"], 0)
+ self.assertGreater(stats["violate_packets"], 0)
+
self.assertGreater(len(rx), 0)
self.assertLess(len(rx), len(pkts))
#
- # remove the poilcer. back to full rx
+ # remove the policer. back to full rx
#
- self.vapi.ip_punt_police(policer.policer_index, is_add=0, is_ip6=1)
- self.vapi.policer_add_del("ip6-punt", 400, 0, 10, 0,
- rate_type=1, is_add=0)
+ ip_punt_policer.remove_vpp_config()
+ policer.remove_vpp_config()
self.send_and_expect(self.pg0, pkts, self.pg1)
#
# remove the redirect. expect full drop.
#
- self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
- self.pg1.sw_if_index,
- nh_addr,
- is_add=0)
- self.send_and_assert_no_replies(self.pg0, pkts,
- "IP no punt config")
+ ip_punt_redirect.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, pkts, "IP no punt config")
#
# Add a redirect that is not input port selective
#
- self.vapi.ip_punt_redirect(0xffffffff,
- self.pg1.sw_if_index,
- nh_addr)
+ ip_punt_redirect = VppIpPuntRedirect(
+ self, 0xFFFFFFFF, self.pg1.sw_if_index, nh_addr
+ )
+ ip_punt_redirect.add_vpp_config()
self.send_and_expect(self.pg0, pkts, self.pg1)
-
- self.vapi.ip_punt_redirect(0xffffffff,
- self.pg1.sw_if_index,
- nh_addr,
- is_add=0)
+ ip_punt_redirect.remove_vpp_config()
def test_ip_punt_dump(self):
- """ IP6 punt redirect dump"""
+ """IP6 punt redirect dump"""
#
# Configure a punt redirects
#
- nh_addr = VppIpAddress(self.pg3.remote_ip6).encode()
- self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
- self.pg3.sw_if_index,
- nh_addr)
- self.vapi.ip_punt_redirect(self.pg1.sw_if_index,
- self.pg3.sw_if_index,
- nh_addr)
- self.vapi.ip_punt_redirect(self.pg2.sw_if_index,
- self.pg3.sw_if_index,
- VppIpAddress('0::0').encode())
+ nh_address = self.pg3.remote_ip6
+ ipr_03 = VppIpPuntRedirect(
+ self, self.pg0.sw_if_index, self.pg3.sw_if_index, nh_address
+ )
+ ipr_13 = VppIpPuntRedirect(
+ self, self.pg1.sw_if_index, self.pg3.sw_if_index, nh_address
+ )
+ ipr_23 = VppIpPuntRedirect(
+ self, self.pg2.sw_if_index, self.pg3.sw_if_index, "0::0"
+ )
+ ipr_03.add_vpp_config()
+ ipr_13.add_vpp_config()
+ ipr_23.add_vpp_config()
#
# Dump pg0 punt redirects
#
- punts = self.vapi.ip_punt_redirect_dump(self.pg0.sw_if_index,
- is_ipv6=1)
- for p in punts:
- self.assertEqual(p.punt.rx_sw_if_index, self.pg0.sw_if_index)
+ self.assertTrue(ipr_03.query_vpp_config())
+ self.assertTrue(ipr_13.query_vpp_config())
+ self.assertTrue(ipr_23.query_vpp_config())
#
# Dump punt redirects for all interfaces
#
- punts = self.vapi.ip_punt_redirect_dump(0xffffffff, is_ipv6=1)
+ punts = self.vapi.ip_punt_redirect_dump(0xFFFFFFFF, is_ipv6=1)
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.ip6, self.pg3.remote_ip6)
- self.assertEqual(punts[2].punt.nh.un.ip6.address, '\x00'*16)
+ self.assertNotEqual(punts[1].punt.nh, self.pg3.remote_ip6)
+ self.assertEqual(str(punts[2].punt.nh), "::")
+
+
+class TestIP6PuntHandoff(IP6PuntSetup, VppTestCase):
+ """IPv6 Punt Police/Redirect"""
+
+ vpp_worker_count = 2
+
+ def setUp(self):
+ super(TestIP6PuntHandoff, self).setUp()
+ super(TestIP6PuntHandoff, self).punt_setup()
+
+ def tearDown(self):
+ super(TestIP6PuntHandoff, self).punt_teardown()
+ super(TestIP6PuntHandoff, self).tearDown()
+
+ def test_ip_punt(self):
+ """IP6 punt policer thread handoff"""
+ pkts = self.pkt * NUM_PKTS
+
+ #
+ # Configure a punt redirect via pg1.
+ #
+ nh_addr = self.pg1.remote_ip6
+ ip_punt_redirect = VppIpPuntRedirect(
+ self, self.pg0.sw_if_index, self.pg1.sw_if_index, nh_addr
+ )
+ ip_punt_redirect.add_vpp_config()
+
+ action_tx = PolicerAction(
+ VppEnum.vl_api_sse2_qos_action_type_t.SSE2_QOS_ACTION_API_TRANSMIT, 0
+ )
+ #
+ # This policer drops no packets, we are just
+ # testing that they get to the right thread.
+ #
+ policer = VppPolicer(
+ self,
+ "ip6-punt",
+ 400,
+ 0,
+ 10,
+ 0,
+ 1,
+ 0,
+ 0,
+ False,
+ action_tx,
+ action_tx,
+ action_tx,
+ )
+ policer.add_vpp_config()
+ ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index, is_ip6=True)
+ ip_punt_policer.add_vpp_config()
+
+ for worker in [0, 1]:
+ self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker)
+ if worker == 0:
+ self.logger.debug(self.vapi.cli("show trace max 100"))
+
+ # Combined stats, all threads
+ stats = policer.get_stats()
+
+ # Single rate policer - expect conform, violate but no exceed
+ self.assertGreater(stats["conform_packets"], 0)
+ self.assertEqual(stats["exceed_packets"], 0)
+ self.assertGreater(stats["violate_packets"], 0)
+
+ # Worker 0, should have done all the policing
+ stats0 = policer.get_stats(worker=0)
+ self.assertEqual(stats, stats0)
+
+ # Worker 1, should have handed everything off
+ stats1 = policer.get_stats(worker=1)
+ self.assertEqual(stats1["conform_packets"], 0)
+ self.assertEqual(stats1["exceed_packets"], 0)
+ self.assertEqual(stats1["violate_packets"], 0)
+
+ # Bind the policer to worker 1 and repeat
+ policer.bind_vpp_config(1, True)
+ for worker in [0, 1]:
+ self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker)
+ self.logger.debug(self.vapi.cli("show trace max 100"))
+
+ # The 2 workers should now have policed the same amount
+ stats = policer.get_stats()
+ stats0 = policer.get_stats(worker=0)
+ stats1 = policer.get_stats(worker=1)
+
+ self.assertGreater(stats0["conform_packets"], 0)
+ self.assertEqual(stats0["exceed_packets"], 0)
+ self.assertGreater(stats0["violate_packets"], 0)
+
+ self.assertGreater(stats1["conform_packets"], 0)
+ self.assertEqual(stats1["exceed_packets"], 0)
+ self.assertGreater(stats1["violate_packets"], 0)
+
+ self.assertEqual(
+ stats0["conform_packets"] + stats1["conform_packets"],
+ stats["conform_packets"],
+ )
+
+ self.assertEqual(
+ stats0["violate_packets"] + stats1["violate_packets"],
+ stats["violate_packets"],
+ )
+
+ # Unbind the policer and repeat
+ policer.bind_vpp_config(1, False)
+ for worker in [0, 1]:
+ self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker)
+ self.logger.debug(self.vapi.cli("show trace max 100"))
+
+ # The policer should auto-bind to worker 0 when packets arrive
+ stats = policer.get_stats()
+ stats0new = policer.get_stats(worker=0)
+ stats1new = policer.get_stats(worker=1)
+
+ self.assertGreater(stats0new["conform_packets"], stats0["conform_packets"])
+ self.assertEqual(stats0new["exceed_packets"], 0)
+ self.assertGreater(stats0new["violate_packets"], stats0["violate_packets"])
+
+ self.assertEqual(stats1, stats1new)
+
+ #
+ # Clean up
+ #
+ ip_punt_policer.remove_vpp_config()
+ policer.remove_vpp_config()
+ ip_punt_redirect.remove_vpp_config()
+
+class TestIP6Deag(VppTestCase):
+ """IPv6 Deaggregate Routes"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6Deag, cls).setUpClass()
-class TestIPDeag(VppTestCase):
- """ IPv6 Deaggregate Routes """
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6Deag, cls).tearDownClass()
def setUp(self):
- super(TestIPDeag, self).setUp()
+ super(TestIP6Deag, self).setUp()
self.create_pg_interfaces(range(3))
i.resolve_ndp()
def tearDown(self):
- super(TestIPDeag, self).tearDown()
+ super(TestIP6Deag, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip6()
i.admin_down()
def test_ip_deag(self):
- """ IP Deag Routes """
+ """IP Deag Routes"""
#
# Create a table to be used for:
# Add a route in the default table to point to a deag/
# second lookup in each of these tables
#
- route_to_dst = VppIpRoute(self, "1::1", 128,
- [VppRoutePath("::",
- 0xffffffff,
- nh_table_id=1,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
- route_to_src = VppIpRoute(self, "1::2", 128,
- [VppRoutePath("::",
- 0xffffffff,
- nh_table_id=2,
- is_source_lookup=1,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ route_to_dst = VppIpRoute(
+ self, "1::1", 128, [VppRoutePath("::", 0xFFFFFFFF, nh_table_id=1)]
+ )
+ route_to_src = VppIpRoute(
+ self,
+ "1::2",
+ 128,
+ [
+ VppRoutePath(
+ "::",
+ 0xFFFFFFFF,
+ nh_table_id=2,
+ type=FibPathType.FIB_PATH_TYPE_SOURCE_LOOKUP,
+ )
+ ],
+ )
+
route_to_dst.add_vpp_config()
route_to_src.add_vpp_config()
# packets to these destination are dropped, since they'll
# hit the respective default routes in the second table
#
- p_dst = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src="5::5", dst="1::1") /
- inet6.TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- p_src = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src="2::2", dst="1::2") /
- inet6.TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ p_dst = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="5::5", dst="1::1")
+ / inet6.TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ p_src = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="2::2", dst="1::2")
+ / inet6.TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
pkts_dst = p_dst * 257
pkts_src = p_src * 257
- self.send_and_assert_no_replies(self.pg0, pkts_dst,
- "IP in dst table")
- self.send_and_assert_no_replies(self.pg0, pkts_src,
- "IP in src table")
+ self.send_and_assert_no_replies(self.pg0, pkts_dst, "IP in dst table")
+ self.send_and_assert_no_replies(self.pg0, pkts_src, "IP in src table")
#
# add a route in the dst table to forward via pg1
#
- route_in_dst = VppIpRoute(self, "1::1", 128,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1,
- table_id=1)
+ route_in_dst = VppIpRoute(
+ self,
+ "1::1",
+ 128,
+ [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)],
+ table_id=1,
+ )
route_in_dst.add_vpp_config()
self.send_and_expect(self.pg0, pkts_dst, self.pg1)
#
# add a route in the src table to forward via pg2
#
- route_in_src = VppIpRoute(self, "2::2", 128,
- [VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1,
- table_id=2)
+ route_in_src = VppIpRoute(
+ self,
+ "2::2",
+ 128,
+ [VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index)],
+ table_id=2,
+ )
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, "3::3", 128,
- [VppRoutePath("::",
- 0xffffffff,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ route_loop = VppIpRoute(self, "3::3", 128, [VppRoutePath("::", 0xFFFFFFFF)])
route_loop.add_vpp_config()
- p_l = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src="3::4", dst="3::3") /
- inet6.TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ p_l = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="3::4", dst="3::3")
+ / inet6.TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
- self.send_and_assert_no_replies(self.pg0, p_l * 257,
- "IP lookup loop")
+ self.send_and_assert_no_replies(self.pg0, p_l * 257, "IP lookup loop")
class TestIP6Input(VppTestCase):
- """ IPv6 Input Exceptions """
+ """IPv6 Input Exception Test Cases"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6Input, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6Input, cls).tearDownClass()
def setUp(self):
super(TestIP6Input, self).setUp()
i.unconfig_ip6()
i.admin_down()
- def test_ip_input(self):
- """ IP6 Input Exceptions """
+ def test_ip_input_icmp_reply(self):
+ """IP6 Input Exception - Return ICMP (3,0)"""
+ #
+ # hop limit - ICMP replies
+ #
+ p_version = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6, hlim=1)
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+
+ rxs = self.send_and_expect_some(self.pg0, p_version * NUM_PKTS, self.pg0)
+
+ for rx in rxs:
+ icmp = rx[ICMPv6TimeExceeded]
+ # 0: "hop limit exceeded in transit",
+ self.assertEqual((icmp.type, icmp.code), (3, 0))
+
+ icmpv6_data = "\x0a" * 18
+ all_0s = "::"
+ all_1s = "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF"
+
+ @parameterized.expand(
+ [
+ # Name, src, dst, l4proto, msg, timeout
+ (
+ "src='iface', dst='iface'",
+ None,
+ None,
+ inet6.UDP(sport=1234, dport=1234),
+ "funky version",
+ None,
+ ),
+ (
+ "src='All 0's', dst='iface'",
+ all_0s,
+ None,
+ ICMPv6EchoRequest(id=0xB, seq=5, data=icmpv6_data),
+ None,
+ 0.1,
+ ),
+ (
+ "src='iface', dst='All 0's'",
+ None,
+ all_0s,
+ ICMPv6EchoRequest(id=0xB, seq=5, data=icmpv6_data),
+ None,
+ 0.1,
+ ),
+ (
+ "src='All 1's', dst='iface'",
+ all_1s,
+ None,
+ ICMPv6EchoRequest(id=0xB, seq=5, data=icmpv6_data),
+ None,
+ 0.1,
+ ),
+ (
+ "src='iface', dst='All 1's'",
+ None,
+ all_1s,
+ ICMPv6EchoRequest(id=0xB, seq=5, data=icmpv6_data),
+ None,
+ 0.1,
+ ),
+ (
+ "src='All 1's', dst='All 1's'",
+ all_1s,
+ all_1s,
+ ICMPv6EchoRequest(id=0xB, seq=5, data=icmpv6_data),
+ None,
+ 0.1,
+ ),
+ ]
+ )
+ def test_ip_input_no_replies(self, name, src, dst, l4, msg, timeout):
+ self._testMethodDoc = "IPv6 Input Exception - %s" % name
+
+ p_version = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(
+ src=src or self.pg0.remote_ip6,
+ dst=dst or self.pg1.remote_ip6,
+ version=3,
+ )
+ / l4
+ / Raw(b"\xa5" * 100)
+ )
+
+ self.send_and_assert_no_replies(
+ self.pg0, p_version * NUM_PKTS, remark=msg or "", timeout=timeout
+ )
+
+ def test_hop_by_hop(self):
+ """Hop-by-hop header test"""
+
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6)
+ / IPv6ExtHdrHopByHop()
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+
+class TestIP6Replace(VppTestCase):
+ """IPv6 Table Replace"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6Replace, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6Replace, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIP6Replace, self).setUp()
+
+ self.create_pg_interfaces(range(4))
+
+ table_id = 1
+ self.tables = []
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.generate_remote_hosts(2)
+ self.tables.append(VppIpTable(self, table_id, True).add_vpp_config())
+ table_id += 1
+
+ def tearDown(self):
+ super(TestIP6Replace, self).tearDown()
+ for i in self.pg_interfaces:
+ i.admin_down()
+ i.unconfig_ip6()
+
+ def test_replace(self):
+ """IP Table Replace"""
+
+ MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
+ MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
+ N_ROUTES = 20
+ links = [self.pg0, self.pg1, self.pg2, self.pg3]
+ routes = [[], [], [], []]
+
+ # the sizes of 'empty' tables
+ for t in self.tables:
+ self.assertEqual(len(t.dump()), 2)
+ self.assertEqual(len(t.mdump()), 5)
+
+ # load up the tables with some routes
+ for ii, t in enumerate(self.tables):
+ for jj in range(1, N_ROUTES):
+ uni = VppIpRoute(
+ self,
+ "2001::%d" % jj if jj != 0 else "2001::",
+ 128,
+ [
+ VppRoutePath(
+ links[ii].remote_hosts[0].ip6, links[ii].sw_if_index
+ ),
+ VppRoutePath(
+ links[ii].remote_hosts[1].ip6, links[ii].sw_if_index
+ ),
+ ],
+ table_id=t.table_id,
+ ).add_vpp_config()
+ multi = VppIpMRoute(
+ self,
+ "::",
+ "ff:2001::%d" % jj,
+ 128,
+ MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
+ [
+ VppMRoutePath(
+ self.pg0.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ ),
+ VppMRoutePath(
+ self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ ),
+ VppMRoutePath(
+ self.pg2.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ ),
+ VppMRoutePath(
+ self.pg3.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ ),
+ ],
+ table_id=t.table_id,
+ ).add_vpp_config()
+ routes[ii].append({"uni": uni, "multi": multi})
+
+ #
+ # replace the tables a few times
+ #
+ for kk in range(3):
+ # replace each table
+ for t in self.tables:
+ t.replace_begin()
+
+ # all the routes are still there
+ for ii, t in enumerate(self.tables):
+ dump = t.dump()
+ mdump = t.mdump()
+ for r in routes[ii]:
+ self.assertTrue(find_route_in_dump(dump, r["uni"], t))
+ self.assertTrue(find_mroute_in_dump(mdump, r["multi"], t))
+
+ # redownload the even numbered routes
+ for ii, t in enumerate(self.tables):
+ for jj in range(0, N_ROUTES, 2):
+ routes[ii][jj]["uni"].add_vpp_config()
+ routes[ii][jj]["multi"].add_vpp_config()
+
+ # signal each table converged
+ for t in self.tables:
+ t.replace_end()
+
+ # we should find the even routes, but not the odd
+ for ii, t in enumerate(self.tables):
+ dump = t.dump()
+ mdump = t.mdump()
+ for jj in range(0, N_ROUTES, 2):
+ self.assertTrue(find_route_in_dump(dump, routes[ii][jj]["uni"], t))
+ self.assertTrue(
+ find_mroute_in_dump(mdump, routes[ii][jj]["multi"], t)
+ )
+ for jj in range(1, N_ROUTES - 1, 2):
+ self.assertFalse(find_route_in_dump(dump, routes[ii][jj]["uni"], t))
+ self.assertFalse(
+ find_mroute_in_dump(mdump, routes[ii][jj]["multi"], t)
+ )
+
+ # reload all the routes
+ for ii, t in enumerate(self.tables):
+ for r in routes[ii]:
+ r["uni"].add_vpp_config()
+ r["multi"].add_vpp_config()
+
+ # all the routes are still there
+ for ii, t in enumerate(self.tables):
+ dump = t.dump()
+ mdump = t.mdump()
+ for r in routes[ii]:
+ self.assertTrue(find_route_in_dump(dump, r["uni"], t))
+ self.assertTrue(find_mroute_in_dump(mdump, r["multi"], t))
+
+ #
+ # finally flush the tables for good measure
+ #
+ for t in self.tables:
+ t.flush()
+ self.assertEqual(len(t.dump()), 2)
+ self.assertEqual(len(t.mdump()), 5)
+
+
+class TestIP6AddrReplace(VppTestCase):
+ """IPv6 Interface Address Replace"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6AddrReplace, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6AddrReplace, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIP6AddrReplace, self).setUp()
+
+ self.create_pg_interfaces(range(4))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+
+ def tearDown(self):
+ super(TestIP6AddrReplace, self).tearDown()
+ for i in self.pg_interfaces:
+ i.admin_down()
+
+ def get_n_pfxs(self, intf):
+ return len(self.vapi.ip_address_dump(intf.sw_if_index, True))
+
+ def test_replace(self):
+ """IP interface address replace"""
+
+ intf_pfxs = [[], [], [], []]
+
+ # add prefixes to each of the interfaces
+ for i in range(len(self.pg_interfaces)):
+ intf = self.pg_interfaces[i]
+
+ # 2001:16:x::1/64
+ addr = "2001:16:%d::1" % intf.sw_if_index
+ a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config()
+ intf_pfxs[i].append(a)
+
+ # 2001:16:x::2/64 - a different address in the same subnet as above
+ addr = "2001:16:%d::2" % intf.sw_if_index
+ a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config()
+ intf_pfxs[i].append(a)
+
+ # 2001:15:x::2/64 - a different address and subnet
+ addr = "2001:15:%d::2" % intf.sw_if_index
+ a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config()
+ intf_pfxs[i].append(a)
+
+ # a dump should n_address in it
+ for intf in self.pg_interfaces:
+ self.assertEqual(self.get_n_pfxs(intf), 3)
#
- # bad version - this is dropped
+ # remove all the address thru a replace
#
- p_version = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src=self.pg0.remote_ip6,
- dst=self.pg1.remote_ip6,
- version=3) /
- inet6.UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ self.vapi.sw_interface_address_replace_begin()
+ self.vapi.sw_interface_address_replace_end()
+ for intf in self.pg_interfaces:
+ self.assertEqual(self.get_n_pfxs(intf), 0)
- self.send_and_assert_no_replies(self.pg0, p_version * 65,
- "funky version")
+ #
+ # add all the interface addresses back
+ #
+ for p in intf_pfxs:
+ for v in p:
+ v.add_vpp_config()
+ for intf in self.pg_interfaces:
+ self.assertEqual(self.get_n_pfxs(intf), 3)
#
- # hop limit - IMCP replies
+ # replace again, but this time update/re-add the address on the first
+ # two interfaces
#
- p_version = (Ether(src=self.pg0.remote_mac,
- dst=self.pg0.local_mac) /
- IPv6(src=self.pg0.remote_ip6,
- dst=self.pg1.remote_ip6,
- hlim=1) /
- inet6.UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ self.vapi.sw_interface_address_replace_begin()
- rx = self.send_and_expect(self.pg0, p_version * 65, self.pg0)
- rx = rx[0]
- icmp = rx[ICMPv6TimeExceeded]
- self.assertEqual(icmp.type, 3)
- # 0: "hop limit exceeded in transit",
- self.assertEqual(icmp.code, 0)
+ for p in intf_pfxs[:2]:
+ for v in p:
+ v.add_vpp_config()
+
+ self.vapi.sw_interface_address_replace_end()
+
+ # on the first two the address still exist,
+ # on the other two they do not
+ for intf in self.pg_interfaces[:2]:
+ self.assertEqual(self.get_n_pfxs(intf), 3)
+ for p in intf_pfxs[:2]:
+ for v in p:
+ self.assertTrue(v.query_vpp_config())
+ for intf in self.pg_interfaces[2:]:
+ self.assertEqual(self.get_n_pfxs(intf), 0)
+
+ #
+ # add all the interface addresses back on the last two
+ #
+ for p in intf_pfxs[2:]:
+ for v in p:
+ v.add_vpp_config()
+ for intf in self.pg_interfaces:
+ self.assertEqual(self.get_n_pfxs(intf), 3)
+
+ #
+ # replace again, this time add different prefixes on all the interfaces
+ #
+ self.vapi.sw_interface_address_replace_begin()
+
+ pfxs = []
+ for intf in self.pg_interfaces:
+ # 2001:18:x::1/64
+ addr = "2001:18:%d::1" % intf.sw_if_index
+ pfxs.append(VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config())
+
+ self.vapi.sw_interface_address_replace_end()
+
+ # only .18 should exist on each interface
+ for intf in self.pg_interfaces:
+ self.assertEqual(self.get_n_pfxs(intf), 1)
+ for pfx in pfxs:
+ self.assertTrue(pfx.query_vpp_config())
+
+ #
+ # remove everything
+ #
+ self.vapi.sw_interface_address_replace_begin()
+ self.vapi.sw_interface_address_replace_end()
+ for intf in self.pg_interfaces:
+ self.assertEqual(self.get_n_pfxs(intf), 0)
+
+ #
+ # add prefixes to each interface. post-begin add the prefix from
+ # interface X onto interface Y. this would normally be an error
+ # since it would generate a 'duplicate address' warning. but in
+ # this case, since what is newly downloaded is sane, it's ok
+ #
+ for intf in self.pg_interfaces:
+ # 2001:18:x::1/64
+ addr = "2001:18:%d::1" % intf.sw_if_index
+ VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config()
+
+ self.vapi.sw_interface_address_replace_begin()
+
+ pfxs = []
+ for intf in self.pg_interfaces:
+ # 2001:18:x::1/64
+ addr = "2001:18:%d::1" % (intf.sw_if_index + 1)
+ pfxs.append(VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config())
+
+ self.vapi.sw_interface_address_replace_end()
+
+ self.logger.info(self.vapi.cli("sh int addr"))
+
+ for intf in self.pg_interfaces:
+ self.assertEqual(self.get_n_pfxs(intf), 1)
+ for pfx in pfxs:
+ self.assertTrue(pfx.query_vpp_config())
+
+
+class TestIP6LinkLocal(VppTestCase):
+ """IPv6 Link Local"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6LinkLocal, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6LinkLocal, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIP6LinkLocal, self).setUp()
+
+ self.create_pg_interfaces(range(2))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+
+ def tearDown(self):
+ super(TestIP6LinkLocal, self).tearDown()
+ for i in self.pg_interfaces:
+ i.admin_down()
+
+ def test_ip6_ll(self):
+ """IPv6 Link Local"""
+
+ #
+ # two APIs to add a link local address.
+ # 1 - just like any other prefix
+ # 2 - with the special set LL API
+ #
+
+ #
+ # First with the API to set a 'normal' prefix
+ #
+ ll1 = "fe80:1::1"
+ ll2 = "fe80:2::2"
+ ll3 = "fe80:3::3"
+
+ VppNeighbor(
+ self, self.pg0.sw_if_index, self.pg0.remote_mac, ll2
+ ).add_vpp_config()
+
+ VppIpInterfaceAddress(self, self.pg0, ll1, 128).add_vpp_config()
+
+ #
+ # should be able to ping the ll
+ #
+ p_echo_request_1 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=ll2, dst=ll1)
+ / ICMPv6EchoRequest()
+ )
+
+ self.send_and_expect(self.pg0, [p_echo_request_1], self.pg0)
+
+ #
+ # change the link-local on pg0
+ #
+ v_ll3 = VppIpInterfaceAddress(self, self.pg0, ll3, 128).add_vpp_config()
+
+ p_echo_request_3 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=ll2, dst=ll3)
+ / ICMPv6EchoRequest()
+ )
+
+ self.send_and_expect(self.pg0, [p_echo_request_3], self.pg0)
+
+ #
+ # set a normal v6 prefix on the link
+ #
+ self.pg0.config_ip6()
+
+ self.send_and_expect(self.pg0, [p_echo_request_3], self.pg0)
+
+ # the link-local cannot be removed
+ with self.vapi.assert_negative_api_retval():
+ v_ll3.remove_vpp_config()
+
+ #
+ # Use the specific link-local API on pg1
+ #
+ VppIp6LinkLocalAddress(self, self.pg1, ll1).add_vpp_config()
+ self.send_and_expect(self.pg1, [p_echo_request_1], self.pg1)
+
+ VppIp6LinkLocalAddress(self, self.pg1, ll3).add_vpp_config()
+ self.send_and_expect(self.pg1, [p_echo_request_3], self.pg1)
+
+ def test_ip6_ll_p2p(self):
+ """IPv6 Link Local P2P (GRE)"""
+
+ self.pg0.config_ip4()
+ self.pg0.resolve_arp()
+ gre_if = VppGreInterface(
+ self, self.pg0.local_ip4, self.pg0.remote_ip4
+ ).add_vpp_config()
+ gre_if.admin_up()
+
+ ll1 = "fe80:1::1"
+ ll2 = "fe80:2::2"
+
+ VppIpInterfaceAddress(self, gre_if, ll1, 128).add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh ip6-ll gre0 fe80:2::2"))
+
+ p_echo_request_1 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4)
+ / GRE()
+ / IPv6(src=ll2, dst=ll1)
+ / ICMPv6EchoRequest()
+ )
+ self.send_and_expect(self.pg0, [p_echo_request_1], self.pg0)
+
+ self.pg0.unconfig_ip4()
+ gre_if.remove_vpp_config()
+
+ def test_ip6_ll_p2mp(self):
+ """IPv6 Link Local P2MP (GRE)"""
+
+ self.pg0.config_ip4()
+ self.pg0.resolve_arp()
+
+ gre_if = VppGreInterface(
+ self,
+ self.pg0.local_ip4,
+ "0.0.0.0",
+ mode=(VppEnum.vl_api_tunnel_mode_t.TUNNEL_API_MODE_MP),
+ ).add_vpp_config()
+ gre_if.admin_up()
+
+ ll1 = "fe80:1::1"
+ ll2 = "fe80:2::2"
+
+ VppIpInterfaceAddress(self, gre_if, ll1, 128).add_vpp_config()
+
+ p_echo_request_1 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4)
+ / GRE()
+ / IPv6(src=ll2, dst=ll1)
+ / ICMPv6EchoRequest()
+ )
+
+ # no route back at this point
+ self.send_and_assert_no_replies(self.pg0, [p_echo_request_1])
+
+ # add teib entry for the peer
+ teib = VppTeib(self, gre_if, ll2, self.pg0.remote_ip4)
+ teib.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh ip6-ll gre0 %s" % ll2))
+ self.send_and_expect(self.pg0, [p_echo_request_1], self.pg0)
+
+ # teardown
+ self.pg0.unconfig_ip4()
+
+
+class TestIPv6PathMTU(VppTestCase):
+ """IPv6 Path MTU"""
+
+ def setUp(self):
+ super(TestIPv6PathMTU, self).setUp()
+
+ self.create_pg_interfaces(range(2))
+
+ # setup all interfaces
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestIPv6PathMTU, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_path_mtu_local(self):
+ """Path MTU for attached neighbour"""
+
+ self.vapi.cli("set log class ip level debug")
+ #
+ # The goal here is not test that fragmentation works correctly,
+ # that's done elsewhere, the intent is to ensure that the Path MTU
+ # settings are honoured.
+ #
+
+ #
+ # IPv6 will only frag locally generated packets, so use tunnelled
+ # packets post encap
+ #
+ tun = VppIpIpTunInterface(
+ self, self.pg1, self.pg1.local_ip6, self.pg1.remote_ip6
+ )
+ tun.add_vpp_config()
+ tun.admin_up()
+ tun.config_ip6()
+
+ # set the interface MTU to a reasonable value
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2800, 0, 0, 0])
+
+ p_6k = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=tun.remote_ip6)
+ / UDP(sport=1234, dport=5678)
+ / Raw(b"0xa" * 2000)
+ )
+ p_2k = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=tun.remote_ip6)
+ / UDP(sport=1234, dport=5678)
+ / Raw(b"0xa" * 1000)
+ )
+ p_1k = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=tun.remote_ip6)
+ / UDP(sport=1234, dport=5678)
+ / Raw(b"0xa" * 600)
+ )
+
+ nbr = VppNeighbor(
+ self, self.pg1.sw_if_index, self.pg1.remote_mac, self.pg1.remote_ip6
+ ).add_vpp_config()
+
+ # this is now the interface MTU frags
+ self.send_and_expect(self.pg0, [p_6k], self.pg1, n_rx=4)
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1)
+
+ # drop the path MTU for this neighbour to below the interface MTU
+ # expect more frags
+ pmtu = VppIpPathMtu(self, self.pg1.remote_ip6, 1300).add_vpp_config()
+
+ # print/format the adj delegate and trackers
+ self.logger.info(self.vapi.cli("sh ip pmtu"))
+ self.logger.info(self.vapi.cli("sh adj 7"))
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # increase the path MTU to more than the interface
+ # expect to use the interface MTU
+ pmtu.modify(8192)
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1)
+
+ # go back to an MTU from the path
+ pmtu.modify(1300)
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # raise the interface's MTU
+ # should still use that of the path
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2000, 0, 0, 0])
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # set path high and interface low
+ pmtu.modify(2000)
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1300, 0, 0, 0])
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # remove the path MTU
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2800, 0, 0, 0])
+ pmtu.modify(0)
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1)
+
+ def test_path_mtu_remote(self):
+ """Path MTU for remote neighbour"""
+
+ self.vapi.cli("set log class ip level debug")
+ #
+ # The goal here is not test that fragmentation works correctly,
+ # that's done elsewhere, the intent is to ensure that the Path MTU
+ # settings are honoured.
+ #
+ tun_dst = "2001::1"
+
+ route = VppIpRoute(
+ self, tun_dst, 64, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)]
+ ).add_vpp_config()
+
+ #
+ # IPv6 will only frag locally generated packets, so use tunnelled
+ # packets post encap
+ #
+ tun = VppIpIpTunInterface(self, self.pg1, self.pg1.local_ip6, tun_dst)
+ tun.add_vpp_config()
+ tun.admin_up()
+ tun.config_ip6()
+
+ # set the interface MTU to a reasonable value
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2800, 0, 0, 0])
+
+ p_2k = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=tun.remote_ip6)
+ / UDP(sport=1234, dport=5678)
+ / Raw(b"0xa" * 1000)
+ )
+ p_1k = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=tun.remote_ip6)
+ / UDP(sport=1234, dport=5678)
+ / Raw(b"0xa" * 600)
+ )
+
+ nbr = VppNeighbor(
+ self, self.pg1.sw_if_index, self.pg1.remote_mac, self.pg1.remote_ip6
+ ).add_vpp_config()
+
+ # this is now the interface MTU frags
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1)
+
+ # drop the path MTU for this neighbour to below the interface MTU
+ # expect more frags
+ pmtu = VppIpPathMtu(self, tun_dst, 1300).add_vpp_config()
+
+ # print/format the fib entry/dpo
+ self.logger.info(self.vapi.cli("sh ip6 fib 2001::1"))
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # increase the path MTU to more than the interface
+ # expect to use the interface MTU
+ pmtu.modify(8192)
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1)
+
+ # go back to an MTU from the path
+ pmtu.modify(1300)
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # raise the interface's MTU
+ # should still use that of the path
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2000, 0, 0, 0])
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # turn the tun_dst into an attached neighbour
+ route.modify([VppRoutePath("::", self.pg1.sw_if_index)])
+ nbr2 = VppNeighbor(
+ self, self.pg1.sw_if_index, self.pg1.remote_mac, tun_dst
+ ).add_vpp_config()
+
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # add back to not attached
+ nbr2.remove_vpp_config()
+ route.modify([VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)])
+
+ # set path high and interface low
+ pmtu.modify(2000)
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1300, 0, 0, 0])
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2)
+
+ # remove the path MTU
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2800, 0, 0, 0])
+ pmtu.remove_vpp_config()
+ self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2)
+ self.send_and_expect(self.pg0, [p_1k], self.pg1)
+
+
+class TestIPFibSource(VppTestCase):
+ """IPv6 Table FibSource"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIPFibSource, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPFibSource, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIPFibSource, self).setUp()
+
+ self.create_pg_interfaces(range(2))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_arp()
+ i.generate_remote_hosts(2)
+ i.configure_ipv6_neighbors()
+
+ def tearDown(self):
+ super(TestIPFibSource, self).tearDown()
+ for i in self.pg_interfaces:
+ i.admin_down()
+ i.unconfig_ip4()
+
+ def test_fib_source(self):
+ """IP Table FibSource"""
+
+ routes = self.vapi.ip_route_v2_dump(0, True)
+
+ # 2 interfaces (4 routes) + 2 specials + 4 neighbours = 10 routes
+ self.assertEqual(len(routes), 10)
+
+ # dump all the sources in the FIB
+ sources = self.vapi.fib_source_dump()
+ for source in sources:
+ if source.src.name == "API":
+ api_source = source.src
+ if source.src.name == "interface":
+ intf_source = source.src
+ if source.src.name == "adjacency":
+ adj_source = source.src
+ if source.src.name == "special":
+ special_source = source.src
+ if source.src.name == "default-route":
+ dr_source = source.src
+
+ # dump the individual route types
+ routes = self.vapi.ip_route_v2_dump(0, True, src=adj_source.id)
+ self.assertEqual(len(routes), 4)
+ routes = self.vapi.ip_route_v2_dump(0, True, src=intf_source.id)
+ self.assertEqual(len(routes), 4)
+ routes = self.vapi.ip_route_v2_dump(0, True, src=special_source.id)
+ self.assertEqual(len(routes), 1)
+ routes = self.vapi.ip_route_v2_dump(0, True, src=dr_source.id)
+ self.assertEqual(len(routes), 1)
+
+ # add a new soure that'a better than the API
+ self.vapi.fib_source_add(
+ src={"name": "bgp", "priority": api_source.priority - 1}
+ )
+
+ # dump all the sources to check our new one is there
+ sources = self.vapi.fib_source_dump()
+
+ for source in sources:
+ if source.src.name == "bgp":
+ bgp_source = source.src
+
+ self.assertTrue(bgp_source)
+ self.assertEqual(bgp_source.priority, api_source.priority - 1)
+
+ # add a route with the default API source
+ r1 = VppIpRouteV2(
+ self,
+ "2001::1",
+ 128,
+ [VppRoutePath(self.pg0.remote_ip6, self.pg0.sw_if_index)],
+ ).add_vpp_config()
+
+ r2 = VppIpRouteV2(
+ self,
+ "2001::1",
+ 128,
+ [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)],
+ src=bgp_source.id,
+ ).add_vpp_config()
+
+ # ensure the BGP source takes priority
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst="2001::1")
+ / inet6.UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+
+ self.send_and_expect(self.pg0, [p], self.pg1)
+
+ r2.remove_vpp_config()
+ r1.remove_vpp_config()
+
+ self.assertFalse(find_route(self, "2001::1", 128))
+
+
+class TestIPxAF(VppTestCase):
+ """IP cross AF"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIPxAF, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPxAF, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIPxAF, self).setUp()
+
+ self.create_pg_interfaces(range(2))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.config_ip4()
+ i.resolve_arp()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestIPxAF, self).tearDown()
+ for i in self.pg_interfaces:
+ i.admin_down()
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+
+ def test_x_af(self):
+ """Cross AF routing"""
+
+ N_PKTS = 63
+ # a v4 route via a v6 attached next-hop
+ VppIpRoute(
+ self,
+ "1.1.1.1",
+ 32,
+ [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)],
+ ).add_vpp_config()
+
+ 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(b"\xa5" * 100)
+ )
+ rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg1)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].dst, "1.1.1.1")
+
+ # a v6 route via a v4 attached next-hop
+ VppIpRoute(
+ self,
+ "2001::1",
+ 128,
+ [VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)],
+ ).add_vpp_config()
+
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst="2001::1")
+ / UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg1)
+
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].dst, "2001::1")
+
+ # a recursive v4 route via a v6 next-hop (from above)
+ VppIpRoute(
+ self, "2.2.2.2", 32, [VppRoutePath("2001::1", 0xFFFFFFFF)]
+ ).add_vpp_config()
+
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src=self.pg0.remote_ip4, dst="2.2.2.2")
+ / UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg1)
+
+ # a recursive v4 route via a v6 next-hop
+ VppIpRoute(
+ self, "2.2.2.3", 32, [VppRoutePath(self.pg1.remote_ip6, 0xFFFFFFFF)]
+ ).add_vpp_config()
+
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src=self.pg0.remote_ip4, dst="2.2.2.3")
+ / UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg1)
+
+ # a recursive v6 route via a v4 next-hop
+ VppIpRoute(
+ self, "3001::1", 128, [VppRoutePath(self.pg1.remote_ip4, 0xFFFFFFFF)]
+ ).add_vpp_config()
+
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst="3001::1")
+ / UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg1)
+
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].dst, "3001::1")
+
+ VppIpRoute(
+ self, "3001::2", 128, [VppRoutePath("1.1.1.1", 0xFFFFFFFF)]
+ ).add_vpp_config()
+
+ p = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst="3001::2")
+ / UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rxs = self.send_and_expect(self.pg0, p * N_PKTS, self.pg1)
+
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].dst, "3001::2")
+
+
+class TestIPv6Punt(VppTestCase):
+ """IPv6 Punt Police/Redirect"""
+
+ def setUp(self):
+ super(TestIPv6Punt, self).setUp()
+ self.create_pg_interfaces(range(4))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestIPv6Punt, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_ip6_punt(self):
+ """IPv6 punt police and redirect"""
+
+ # use UDP packet that have a port we need to explicitly
+ # register to get punted.
+ pt_l4 = VppEnum.vl_api_punt_type_t.PUNT_API_TYPE_L4
+ af_ip6 = VppEnum.vl_api_address_family_t.ADDRESS_IP6
+ udp_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+ punt_udp = {
+ "type": pt_l4,
+ "punt": {
+ "l4": {
+ "af": af_ip6,
+ "protocol": udp_proto,
+ "port": 7654,
+ }
+ },
+ }
+
+ self.vapi.set_punt(is_add=1, punt=punt_udp)
+
+ pkts = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6)
+ / UDP(sport=1234, dport=7654)
+ / Raw(b"\xa5" * 100)
+ ) * 1025
+
+ #
+ # Configure a punt redirect via pg1.
+ #
+ nh_addr = self.pg1.remote_ip6
+ ip_punt_redirect = VppIpPuntRedirect(
+ self, self.pg0.sw_if_index, self.pg1.sw_if_index, nh_addr
+ )
+ ip_punt_redirect.add_vpp_config()
+
+ self.send_and_expect(self.pg0, pkts, self.pg1)
+
+ #
+ # add a policer
+ #
+ policer = VppPolicer(self, "ip6-punt", 400, 0, 10, 0, rate_type=1)
+ policer.add_vpp_config()
+ ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index, is_ip6=True)
+ ip_punt_policer.add_vpp_config()
+
+ self.vapi.cli("clear trace")
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ #
+ # the number of packet received should be greater than 0,
+ # but not equal to the number sent, since some were policed
+ #
+ rx = self.pg1._get_capture(1)
+
+ stats = policer.get_stats()
+
+ # Single rate policer - expect conform, violate but no exceed
+ self.assertGreater(stats["conform_packets"], 0)
+ self.assertEqual(stats["exceed_packets"], 0)
+ self.assertGreater(stats["violate_packets"], 0)
+
+ self.assertGreater(len(rx), 0)
+ self.assertLess(len(rx), len(pkts))
+
+ #
+ # remove the policer. back to full rx
+ #
+ ip_punt_policer.remove_vpp_config()
+ policer.remove_vpp_config()
+ self.send_and_expect(self.pg0, pkts, self.pg1)
+
+ #
+ # remove the redirect. expect full drop.
+ #
+ ip_punt_redirect.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, pkts, "IP no punt config")
+
+ #
+ # Add a redirect that is not input port selective
+ #
+ ip_punt_redirect = VppIpPuntRedirect(
+ self, 0xFFFFFFFF, self.pg1.sw_if_index, nh_addr
+ )
+ ip_punt_redirect.add_vpp_config()
+ self.send_and_expect(self.pg0, pkts, self.pg1)
+ ip_punt_redirect.remove_vpp_config()
+
+ def test_ip6_punt_dump(self):
+ """IPv6 punt redirect dump"""
+
+ #
+ # Configure a punt redirects
+ #
+ nh_address = self.pg3.remote_ip6
+ ipr_03 = VppIpPuntRedirect(
+ self, self.pg0.sw_if_index, self.pg3.sw_if_index, nh_address
+ )
+ ipr_13 = VppIpPuntRedirect(
+ self, self.pg1.sw_if_index, self.pg3.sw_if_index, nh_address
+ )
+ ipr_23 = VppIpPuntRedirect(
+ self, self.pg2.sw_if_index, self.pg3.sw_if_index, "::"
+ )
+ ipr_03.add_vpp_config()
+ ipr_13.add_vpp_config()
+ ipr_23.add_vpp_config()
+
+ #
+ # Dump pg0 punt redirects
+ #
+ self.assertTrue(ipr_03.query_vpp_config())
+ self.assertTrue(ipr_13.query_vpp_config())
+ self.assertTrue(ipr_23.query_vpp_config())
+
+ #
+ # Dump punt redirects for all interfaces
+ #
+ punts = self.vapi.ip_punt_redirect_dump(sw_if_index=0xFFFFFFFF, is_ipv6=True)
+ 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, self.pg3.remote_ip6)
+ self.assertEqual(str(punts[2].punt.nh), "::")
+
+
+class TestIP6InterfaceRx(VppTestCase):
+ """IPv6 Interface Receive"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIP6InterfaceRx, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIP6InterfaceRx, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIP6InterfaceRx, self).setUp()
+
+ self.create_pg_interfaces(range(3))
+
+ table_id = 0
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+
+ if table_id != 0:
+ table = VppIpTable(self, table_id, is_ip6=1)
+ table.add_vpp_config()
+
+ i.set_table_ip6(table_id)
+ i.config_ip6()
+ i.resolve_ndp()
+ table_id += 1
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.admin_down()
+ i.set_table_ip6(0)
+
+ super(TestIP6InterfaceRx, self).tearDown()
+
+ def test_interface_rx(self):
+ """IPv6 Interface Receive"""
+
+ #
+ # add a route in the default table to receive ...
+ #
+ route_to_dst = VppIpRoute(
+ self,
+ "1::",
+ 122,
+ [
+ VppRoutePath(
+ "::",
+ self.pg1.sw_if_index,
+ type=FibPathType.FIB_PATH_TYPE_INTERFACE_RX,
+ )
+ ],
+ )
+ route_to_dst.add_vpp_config()
+
+ #
+ # packets to these destination are dropped, since they'll
+ # hit the respective default routes in table 1
+ #
+ p_dst = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="5::5", dst="1::1")
+ / inet6.TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ pkts_dst = p_dst * 10
+
+ self.send_and_assert_no_replies(self.pg0, pkts_dst, "IP in table 1")
+
+ #
+ # add a route in the dst table to forward via pg1
+ #
+ route_in_dst = VppIpRoute(
+ self,
+ "1::1",
+ 128,
+ [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)],
+ table_id=1,
+ )
+ route_in_dst.add_vpp_config()
+
+ self.send_and_expect(self.pg0, pkts_dst, self.pg1)
+
+ #
+ # add a route in the default table to receive ...
+ #
+ route_to_dst = VppIpRoute(
+ self,
+ "1::",
+ 122,
+ [
+ VppRoutePath(
+ "::",
+ self.pg2.sw_if_index,
+ type=FibPathType.FIB_PATH_TYPE_INTERFACE_RX,
+ )
+ ],
+ table_id=1,
+ )
+ route_to_dst.add_vpp_config()
+
+ #
+ # packets to these destination are dropped, since they'll
+ # hit the respective default routes in table 2
+ #
+ p_dst = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="6::6", dst="1::2")
+ / inet6.TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ pkts_dst = p_dst * 10
+
+ self.send_and_assert_no_replies(self.pg0, pkts_dst, "IP in table 2")
+
+ #
+ # add a route in the table 2 to forward via pg2
+ #
+ route_in_dst = VppIpRoute(
+ self,
+ "1::2",
+ 128,
+ [VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index)],
+ table_id=2,
+ )
+ route_in_dst.add_vpp_config()
+
+ self.send_and_expect(self.pg0, pkts_dst, self.pg2)
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff