import unittest
from parameterized import parameterized
-import scapy.compat
import scapy.layers.inet6 as inet6
-from scapy.layers.inet import UDP
+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, \
- IPv6ExtHdrHopByHop, ICMPv6MLReport2, ICMPv6MLDMultAddrRec
-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.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, tag_run_solo
+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 DpoProto, 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_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
# 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.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):
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.admin_down()
for i in self.sub_interfaces:
: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:
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
+ """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())
+ 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()
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,
- 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))
- self.assertFalse(find_route(self,
- self.pg0._remote_hosts[2].ip6,
- 128))
+ 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))
- self.assertFalse(find_route(self,
- self.pg0._remote_hosts[2].ip6_ll,
- 128))
+ 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)
+ 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))
+ 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_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))
- self.assertFalse(find_route(self,
- self.pg0._remote_hosts[3].ip6_ll,
- 128))
+ 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)
+ 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)
+ 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
#
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, src_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:
# 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))
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)
# 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, '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.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)
rx = rx[0]
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")
# 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('%s/%s' % (self.pg0.local_ip6,
- 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('%s/%s' % (self.pg0.local_ip6,
- 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('%s/%s' % (self.pg0.local_ip6,
- 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('%s/%s' % (self.pg0.local_ip6,
- 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('%s/%s' % (self.pg0.local_ip6,
- 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 defaults option to revert to defaults
# L and A flag are clear in the advert
#
- self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
- 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('%s/%s' % (self.pg1.local_ip6,
- 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 prefix-info - expect the second is still in the
# advert
#
- self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
- 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)
+ self.pg0.ip6_ra_prefix(
+ "%s/%s" % (self.pg1.local_ip6, self.pg1.local_ip6_prefix_len), is_no=1
+ )
#
# change the link's link local, so we know that works too.
#
self.vapi.sw_interface_ip6_set_link_local_address(
- sw_if_index=self.pg0.sw_if_index,
- ip="fe80::88")
+ 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,
- src_ip="fe80::88")
+ 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 """
+ """MLD Report"""
#
# test one MLD is sent after applying an IPv6 Address on an interface
#
self.pg_start()
subitf = VppDot1QSubint(self, self.pg1, 99)
+ self.interfaces.append(subitf)
+ self.sub_interfaces.append(subitf)
subitf.admin_up()
subitf.config_ip6()
# 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:
+ 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 """
+ """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,
- })
+ return self.vapi.api(
+ self.vapi.papi.ip_route_lookup,
+ {
+ "table_id": 0,
+ "exact": exact,
+ "prefix": prefix,
+ },
+ )
@classmethod
def setUpClass(cls):
def setUp(self):
super(TestIPv6RouteLookup, self).setUp()
- drop_nh = VppRoutePath("::1", 0xffffffff,
- type=FibPathType.FIB_PATH_TYPE_DROP)
+ drop_nh = VppRoutePath("::1", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_DROP)
# Add 3 routes
r = VppIpRoute(self, "2001:1111::", 32, [drop_nh])
# Verify we find the host route
prefix = "2001:1111:2222::1/128"
result = self.route_lookup(prefix, True)
- assert (prefix == str(result.route.prefix))
+ 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))
+ assert prefix == str(result.route.prefix)
# Verify we do not find an available LPM.
with self.vapi.assert_negative_api_retval():
# 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))
+ 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))
+ 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 """
+ """IPv6 Interface Addr Route Test Case"""
@classmethod
def setUpClass(cls):
i.admin_down()
def test_ipv6_ifaddrs_same_prefix(self):
- """ IPv6 Interface Addresses Same Prefix test
+ """IPv6 Interface Addresses Same Prefix test
Test scenario:
self.assertFalse(find_route(self, addr2, 128))
def test_ipv6_ifaddr_del(self):
- """ Delete an interface address that does not exist """
+ """Delete an interface address that does not exist"""
loopbacks = self.create_loopback_interfaces(1)
lo = self.lo_interfaces[0]
#
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)
+ 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):
i.admin_down()
def test_icmpv6_echo(self):
- """ VPP replies to ICMPv6 Echo Request
+ """VPP replies to ICMPv6 Echo Request
Test scenario:
# test both with global and local ipv6 addresses
dsts = (self.pg0.local_ip6, self.pg0.local_ip6_ll)
- id = 0xb
+ id = 0xB
seq = 5
- data = b'\x0a' * 18
+ 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)))
+ 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)
class TestIPv6RD(TestIPv6ND):
- """ IPv6 Router Discovery Test Case """
+ """IPv6 Router Discovery Test Case"""
@classmethod
def setUpClass(cls):
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 = 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)
+ 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(enable=1)
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):
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
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.nh.address.ip6
+ defaut_route["sw_if_index"] = path.sw_if_index
+ defaut_route["next_hop"] = path.nh.address.ip6
list.append(defaut_route)
return list
return list
def wait_for_no_default_route(self, n_tries=50, s_time=1):
- while (n_tries):
+ while n_tries:
fib = self.vapi.ip_route_dump(0, True)
default_routes = self.get_default_routes(fib)
if 0 == len(default_routes):
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.ip_route_dump(0, True)
default_routes = self.get_default_routes(fib)
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()
addresses = set(self.get_interface_addresses(fib, self.pg0))
new_addresses = addresses.difference(initial_addresses)
self.assertEqual(len(new_addresses), 1)
- prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)),
- strict=False)
- self.assertEqual(prefix, IPv6Network(text_type('1::/20')))
+ 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)
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)
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_on_vpp_time(1)
new_addresses = addresses.difference(initial_addresses)
self.assertEqual(len(new_addresses), 1)
- prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)),
- strict=False)
- self.assertEqual(prefix, IPv6Network(text_type('1::/20')))
+ prefix = IPv6Network(
+ text_type("%s/%d" % (list(new_addresses)[0], 20)), strict=False
+ )
+ self.assertEqual(prefix, IPv6Network(text_type("1::/20")))
self.sleep_on_vpp_time(1)
class IPv6NDProxyTest(TestIPv6ND):
- """ IPv6 ND ProxyTest Case """
+ """IPv6 ND ProxyTest Case"""
@classmethod
def setUpClass(cls):
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.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)
+ 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))
+ 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(b'\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.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)
+ 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))
+ 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(b'\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.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)
+ 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)
+ 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))
- self.assertFalse(find_nbr(self,
- self.pg1.sw_if_index,
- self.pg0._remote_hosts[2].ip6))
+ 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(TestIPNull, cls).setUpClass()
+ super(TestIP6Null, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPNull, cls).tearDownClass()
+ 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(b'\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,
- [VppRoutePath("::", 0xffffffff,
- type=FibPathType.FIB_PATH_TYPE_ICMP_UNREACH)])
+ 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,
- [VppRoutePath("::", 0xffffffff,
- type=FibPathType.FIB_PATH_TYPE_ICMP_PROHIBIT)])
+ 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(TestIPDisabled, cls).setUpClass()
+ super(TestIP6Disabled, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPDisabled, cls).tearDownClass()
+ 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))
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
route_ff_01 = VppIpMRoute(
self,
"::",
- "ffef::1", 128,
+ "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)])
+ [
+ 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(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))
+ 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):
i.disable_mpls()
super(TestIP6LoadBalance, self).tearDown()
- def pg_send(self, input, pkts):
- self.vapi.cli("clear trace")
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- def send_and_expect_load_balancing(self, input, pkts, outputs):
- self.pg_send(input, pkts)
- rxs = []
- for oo in outputs:
- rx = oo._get_capture(1)
- self.assertNotEqual(0, len(rx))
- rxs.append(rx)
- return rxs
-
- def send_and_expect_one_itf(self, input, pkts, itf):
- self.pg_send(input, pkts)
- 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
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(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))
+ 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(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))
+ 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 = 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]),
- VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index,
- labels=[67])])
+ 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()
#
# be guaranteed. But with 64 different packets we do expect some
# balancing. So instead just ensure there is traffic on each link.
#
- rx = self.send_and_expect_load_balancing(self.pg0, port_ip_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])
+ 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])
#
#
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])
+ 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])
+ 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 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(vrf_id=0, src=1, dst=1, proto=1,
- sport=0, dport=0, is_ipv6=1)
+ 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(vrf_id=0, src=1, dst=1, sport=1, dport=1,
- proto=1, is_ipv6=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(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)])
+ 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),
- VppRoutePath("3000::2",
- 0xffffffff)])
+ 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(b'\xa5' * 100)))
-
- route_5000_2 = VppIpRoute(self, "5000::2", 128,
- [VppRoutePath(self.pg3.remote_ip6,
- self.pg3.sw_if_index)])
+ 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)])
+ 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 IP6PuntSetup(object):
- """ Setup for IPv6 Punt Police/Redirect """
+ """Setup for IPv6 Punt Police/Redirect"""
def punt_setup(self):
self.create_pg_interfaces(range(4))
i.config_ip6()
i.resolve_ndp()
- 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))
+ 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:
class TestIP6Punt(IP6PuntSetup, VppTestCase):
- """ IPv6 Punt Police/Redirect """
+ """IPv6 Punt Police/Redirect"""
def setUp(self):
super(TestIP6Punt, self).setUp()
super(TestIP6Punt, self).tearDown()
def test_ip_punt(self):
- """ IP6 punt police and redirect """
+ """IP6 punt police and redirect"""
pkts = self.pkt * 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 = 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)
#
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 = VppIpPuntPolicer(self, policer.policer_index, is_ip6=True)
ip_punt_policer.add_vpp_config()
self.vapi.cli("clear trace")
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(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 redirect. expect full drop.
#
ip_punt_redirect.remove_vpp_config()
- self.send_and_assert_no_replies(self.pg0, pkts,
- "IP no punt 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 = 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_ip_punt_dump(self):
- """ IP6 punt redirect dump"""
+ """IP6 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, '0::0')
+ 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 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, self.pg3.remote_ip6)
- self.assertEqual(str(punts[2].punt.nh), '::')
+ self.assertEqual(str(punts[2].punt.nh), "::")
class TestIP6PuntHandoff(IP6PuntSetup, VppTestCase):
- """ IPv6 Punt Police/Redirect """
+ """IPv6 Punt Police/Redirect"""
+
vpp_worker_count = 2
def setUp(self):
super(TestIP6PuntHandoff, self).tearDown()
def test_ip_punt(self):
- """ IP6 punt policer thread handoff """
+ """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 = 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)
+ 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 = 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 = VppIpPuntPolicer(self, policer.policer_index, is_ip6=True)
ip_punt_policer.add_vpp_config()
for worker in [0, 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(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)
# 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)
+ 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)
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(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.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["conform_packets"] + stats1["conform_packets"],
+ stats["conform_packets"],
+ )
- self.assertEqual(stats0['violate_packets'] + stats1['violate_packets'],
- stats['violate_packets'])
+ self.assertEqual(
+ stats0["violate_packets"] + stats1["violate_packets"],
+ stats["violate_packets"],
+ )
# Unbind the policer and repeat
policer.bind_vpp_config(1, False)
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.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)
ip_punt_redirect.remove_vpp_config()
-class TestIPDeag(VppTestCase):
- """ IPv6 Deaggregate Routes """
+class TestIP6Deag(VppTestCase):
+ """IPv6 Deaggregate Routes"""
@classmethod
def setUpClass(cls):
- super(TestIPDeag, cls).setUpClass()
+ super(TestIP6Deag, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPDeag, cls).tearDownClass()
+ 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)])
+ 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)])
+ 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(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))
+ 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)],
- 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)],
- 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)])
+ 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(b'\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 Exception Test Cases """
+ """IPv6 Input Exception Test Cases"""
@classmethod
def setUpClass(cls):
i.admin_down()
def test_ip_input_icmp_reply(self):
- """ IP6 Input Exception - Return ICMP (3,0) """
+ """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))
+ 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)
+ )
- rx = self.send_and_expect(self.pg0, p_version * NUM_PKTS, self.pg0)
- rx = rx[0]
- icmp = rx[ICMPv6TimeExceeded]
+ rxs = self.send_and_expect_some(self.pg0, p_version * NUM_PKTS, self.pg0)
- # 0: "hop limit exceeded in transit",
- self.assertEqual((icmp.type, icmp.code), (3, 0))
+ 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
+ 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),
-
- ])
+ @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._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)
+ 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))
+ """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 TestIPReplace(VppTestCase):
- """ IPv6 Table Replace """
+class TestIP6Replace(VppTestCase):
+ """IPv6 Table Replace"""
@classmethod
def setUpClass(cls):
- super(TestIPReplace, cls).setUpClass()
+ super(TestIP6Replace, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPReplace, cls).tearDownClass()
+ super(TestIP6Replace, cls).tearDownClass()
def setUp(self):
- super(TestIPReplace, self).setUp()
+ super(TestIP6Replace, self).setUp()
self.create_pg_interfaces(range(4))
i.admin_up()
i.config_ip6()
i.generate_remote_hosts(2)
- self.tables.append(VppIpTable(self, table_id,
- True).add_vpp_config())
+ self.tables.append(VppIpTable(self, table_id, True).add_vpp_config())
table_id += 1
def tearDown(self):
- super(TestIPReplace, self).tearDown()
+ super(TestIP6Replace, self).tearDown()
for i in self.pg_interfaces:
i.admin_down()
i.unconfig_ip6()
def test_replace(self):
- """ IP Table Replace """
+ """IP Table Replace"""
MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
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()
+ 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,
+ 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})
+ [
+ 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
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))
+ 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()
+ routes[ii][jj]["uni"].add_vpp_config()
+ routes[ii][jj]["multi"].add_vpp_config()
# signal each table converged
for t in 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))
+ 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))
+ 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()
+ 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))
+ 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
self.assertEqual(len(t.mdump()), 5)
-class TestIP6Replace(VppTestCase):
- """ IPv4 Interface Address Replace """
+class TestIP6AddrReplace(VppTestCase):
+ """IPv6 Interface Address Replace"""
@classmethod
def setUpClass(cls):
- super(TestIP6Replace, cls).setUpClass()
+ super(TestIP6AddrReplace, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIP6Replace, cls).tearDownClass()
+ super(TestIP6AddrReplace, cls).tearDownClass()
def setUp(self):
- super(TestIP6Replace, self).setUp()
+ super(TestIP6AddrReplace, self).setUp()
self.create_pg_interfaces(range(4))
i.admin_up()
def tearDown(self):
- super(TestIP6Replace, self).tearDown()
+ super(TestIP6AddrReplace, self).tearDown()
for i in self.pg_interfaces:
i.admin_down()
return len(self.vapi.ip_address_dump(intf.sw_if_index, True))
def test_replace(self):
- """ IP interface address replace """
+ """IP interface address replace"""
intf_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())
+ pfxs.append(VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config())
self.vapi.sw_interface_address_replace_end()
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())
+ pfxs.append(VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config())
self.vapi.sw_interface_address_replace_end()
class TestIP6LinkLocal(VppTestCase):
- """ IPv6 Link Local """
+ """IPv6 Link Local"""
@classmethod
def setUpClass(cls):
i.admin_down()
def test_ip6_ll(self):
- """ IPv6 Link Local """
+ """IPv6 Link Local"""
#
# two APIs to add a link local address.
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())
+ 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()
+ 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())
+ 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)
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 """
+ """IPv6 Path MTU"""
def setUp(self):
super(TestIPv6PathMTU, self).setUp()
i.admin_down()
def test_path_mtu_local(self):
- """ Path MTU for attached neighbour """
+ """Path MTU for attached neighbour"""
self.vapi.cli("set log class ip level debug")
#
# packets post encap
#
tun = VppIpIpTunInterface(
- self,
- self.pg1,
- self.pg1.local_ip6,
- self.pg1.remote_ip6)
+ 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_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()
+ 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)
# 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.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.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])
+ 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 """
+ """Path MTU for remote neighbour"""
self.vapi.cli("set log class ip level debug")
#
tun_dst = "2001::1"
route = VppIpRoute(
- self, tun_dst, 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)]).add_vpp_config()
+ 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 = 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()
+ 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)
# 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.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()
+ 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)])
+ 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.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])
+ 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 """
+ """IPv6 Table FibSource"""
@classmethod
def setUpClass(cls):
i.unconfig_ip4()
def test_fib_source(self):
- """ IP Table FibSource """
+ """IP Table FibSource"""
routes = self.vapi.ip_route_v2_dump(0, True)
# dump all the sources in the FIB
sources = self.vapi.fib_source_dump()
for source in sources:
- if (source.src.name == "API"):
+ if source.src.name == "API":
api_source = source.src
- if (source.src.name == "interface"):
+ if source.src.name == "interface":
intf_source = source.src
- if (source.src.name == "adjacency"):
+ if source.src.name == "adjacency":
adj_source = source.src
- if (source.src.name == "special"):
+ if source.src.name == "special":
special_source = source.src
- if (source.src.name == "default-route"):
+ if source.src.name == "default-route":
dr_source = source.src
# dump the individual route types
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})
+ 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"):
+ if source.src.name == "bgp":
bgp_source = source.src
self.assertTrue(bgp_source)
- self.assertEqual(bgp_source.priority,
- api_source.priority - 1)
+ 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()
+ 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()
+ 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))
+ 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)
self.assertFalse(find_route(self, "2001::1", 128))
-if __name__ == '__main__':
+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__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff