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#!/usr/bin/env python
from framework import VppTestCase
from ipaddress import IPv4Address
from ipaddress import IPv6Address
from scapy.contrib.gtp import *
from scapy.all import *
class TestSRv6uSIDSRH(VppTestCase):
""" SRv6 End.uSID w/ SRH """
@classmethod
def setUpClass(cls):
super(TestSRv6uSIDSRH, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
cls.pg_if_i = cls.pg_interfaces[0]
cls.pg_if_o = cls.pg_interfaces[1]
cls.pg_if_i.config_ip6()
cls.pg_if_o.config_ip6()
cls.ip6_nhop = cls.pg_if_o.remote_ip6
cls.ip6_dst = "1111:2222:aaaa:bbbb:cccc:dddd:eeee:ffff"
cls.ip6_src = "1111:2222::1"
for pg_if in cls.pg_interfaces:
pg_if.admin_up()
pg_if.resolve_ndp(timeout=5)
except Exception:
super(TestSRv6uSIDSRH, cls).tearDownClass()
raise
def create_packets(self, inner):
ip6_dst = IPv6Address(str(self.ip6_dst))
ip6_src = IPv6Address(str(self.ip6_src))
self.logger.info("ip6 dst: {}".format(ip6_dst))
self.logger.info("ip6 src: {}".format(ip6_src))
pkts = list()
for d, s in inner:
pkt = (Ether() /
IPv6(dst=str(ip6_dst), src=str(ip6_src)) /
IPv6ExtHdrSegmentRouting(segleft=1,
lastentry=0,
tag=0,
addresses=[
"a1::1",
"1111:2222:aaaa:bbbb::"]) /
IPv6(dst=d, src=s) /
UDP(sport=1000, dport=23))
self.logger.info(pkt.show2(dump=True))
pkts.append(pkt)
return pkts
def test_srv6_usid_srh(self):
""" test_srv6_usid_srh """
pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")])
self.vapi.cli("set sr encaps source addr A1::1")
self.vapi.cli(
"sr localsid prefix 1111:2222:aaaa::/48 behavior un 16")
self.vapi.cli(
"ip route add 1111:2222:bbbb::/48 via {}".format(self.ip6_nhop))
self.logger.info(self.vapi.cli("show sr localsids"))
self.vapi.cli("clear errors")
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show errors"))
self.logger.info(self.vapi.cli("show int address"))
capture = self.pg1.get_capture(len(pkts))
for pkt in capture:
self.logger.info(pkt.show2(dump=True))
self.assertEqual(
pkt[IPv6].dst, "1111:2222:bbbb:cccc:dddd:eeee:ffff:0")
class TestSRv6uSID(VppTestCase):
""" SRv6 End.uSID w/o SRH """
@classmethod
def setUpClass(cls):
super(TestSRv6uSID, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
cls.pg_if_i = cls.pg_interfaces[0]
cls.pg_if_o = cls.pg_interfaces[1]
cls.pg_if_i.config_ip6()
cls.pg_if_o.config_ip6()
cls.ip6_nhop = cls.pg_if_o.remote_ip6
cls.ip6_dst = "1111:2222:aaaa:bbbb:cccc:dddd:eeee:ffff"
cls.ip6_src = "1111:2222::1"
for pg_if in cls.pg_interfaces:
pg_if.admin_up()
pg_if.resolve_ndp(timeout=5)
except Exception:
super(TestSRv6uSID, cls).tearDownClass()
raise
def create_packets(self, inner):
ip6_dst = IPv6Address(str(self.ip6_dst))
ip6_src = IPv6Address(str(self.ip6_src))
self.logger.info("ip6 dst: {}".format(ip6_dst))
self.logger.info("ip6 src: {}".format(ip6_src))
pkts = list()
for d, s in inner:
pkt = (Ether() /
IPv6(dst=str(ip6_dst), src=str(ip6_src)) /
IPv6(dst=d, src=s) /
UDP(sport=1000, dport=23))
self.logger.info(pkt.show2(dump=True))
pkts.append(pkt)
return pkts
def test_srv6_usid(self):
""" test_srv6_usid """
pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")])
self.vapi.cli("set sr encaps source addr A1::1")
self.vapi.cli(
"sr localsid prefix 1111:2222:aaaa::/48 behavior un 16")
self.vapi.cli(
"ip route add 1111:2222:bbbb::/48 via {}".format(self.ip6_nhop))
self.logger.info(self.vapi.cli("show sr localsids"))
self.vapi.cli("clear errors")
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show errors"))
self.logger.info(self.vapi.cli("show int address"))
capture = self.pg1.get_capture(len(pkts))
for pkt in capture:
self.logger.info(pkt.show2(dump=True))
self.assertEqual(
pkt[IPv6].dst, "1111:2222:bbbb:cccc:dddd:eeee:ffff:0")
class TestSRv6uSIDFlexSRH(VppTestCase):
""" SRv6 End.uSID.Flex w/ SRH """
@classmethod
def setUpClass(cls):
super(TestSRv6uSIDFlexSRH, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
cls.pg_if_i = cls.pg_interfaces[0]
cls.pg_if_o = cls.pg_interfaces[1]
cls.pg_if_i.config_ip6()
cls.pg_if_o.config_ip6()
cls.ip6_nhop = cls.pg_if_o.remote_ip6
cls.ip6_dst = "1111:2222:aaaa:bbbb:cccc:dddd:eeee:ffff"
cls.ip6_src = "1111:2222::1"
for pg_if in cls.pg_interfaces:
pg_if.admin_up()
pg_if.resolve_ndp(timeout=5)
except Exception:
super(TestSRv6uSIDFlexSRH, cls).tearDownClass()
raise
def create_packets(self, inner):
ip6_dst = IPv6Address(str(self.ip6_dst))
ip6_src = IPv6Address(str(self.ip6_src))
self.logger.info("ip6 dst: {}".format(ip6_dst))
self.logger.info("ip6 src: {}".format(ip6_src))
pkts = list()
for d, s in inner:
pkt = (Ether() /
IPv6(dst=str(ip6_dst), src=str(ip6_src)) /
IPv6ExtHdrSegmentRouting(segleft=1,
lastentry=0,
tag=0,
addresses=[
"a1::1",
"1111:2222:aaaa:bbbb::"]) /
IPv6(dst=d, src=s) /
UDP(sport=1000, dport=23))
self.logger.info(pkt.show2(dump=True))
pkts.append(pkt)
return pkts
def test_srv6_usid_flex_srh(self):
""" test_srv6_usid_flex_srh """
pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")])
self.vapi.cli("set sr encaps source addr A1::1")
self.vapi.cli(
"sr localsid prefix 1111:2222:aaaa::/48 behavior un.flex 16")
self.vapi.cli(
"ip route add 1111:2222:bbbb::/48 via {}".format(self.ip6_nhop))
self.logger.info(self.vapi.cli("show sr localsids"))
self.vapi.cli("clear errors")
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show errors"))
self.logger.info(self.vapi.cli("show int address"))
capture = self.pg1.get_capture(len(pkts))
for pkt in capture:
self.logger.info(pkt.show2(dump=True))
self.assertEqual(
pkt[IPv6].dst, "1111:2222:bbbb:cccc:dddd:eeee:ffff:0")
class TestSRv6uSIDFlex(VppTestCase):
""" SRv6 End.uSID.Flex w/o SRH """
@classmethod
def setUpClass(cls):
super(TestSRv6uSIDFlex, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
cls.pg_if_i = cls.pg_interfaces[0]
cls.pg_if_o = cls.pg_interfaces[1]
cls.pg_if_i.config_ip6()
cls.pg_if_o.config_ip6()
cls.ip6_nhop = cls.pg_if_o.remote_ip6
cls.ip6_dst = "1111:2222:aaaa:bbbb:cccc:dddd:eeee:ffff"
cls.ip6_src = "1111:2222::1"
for pg_if in cls.pg_interfaces:
pg_if.admin_up()
pg_if.resolve_ndp(timeout=5)
except Exception:
super(TestSRv6uSIDFlex, cls).tearDownClass()
raise
def create_packets(self, inner):
ip6_dst = IPv6Address(str(self.ip6_dst))
ip6_src = IPv6Address(str(self.ip6_src))
self.logger.info("ip6 dst: {}".format(ip6_dst))
self.logger.info("ip6 src: {}".format(ip6_src))
pkts = list()
for d, s in inner:
pkt = (Ether() /
IPv6(dst=str(ip6_dst), src=str(ip6_src)) /
IPv6(dst=d, src=s) /
UDP(sport=1000, dport=23))
self.logger.info(pkt.show2(dump=True))
pkts.append(pkt)
return pkts
def test_srv6_usid_flex(self):
""" test_srv6_usid_flex """
pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")])
self.vapi.cli("set sr encaps source addr A1::1")
self.vapi.cli(
"sr localsid prefix 1111:2222:aaaa::/48 behavior un.flex 16")
self.vapi.cli(
"ip route add 1111:2222:bbbb::/48 via {}".format(self.ip6_nhop))
self.logger.info(self.vapi.cli("show sr localsids"))
self.vapi.cli("clear errors")
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.logger.info(self.vapi.cli("show errors"))
self.logger.info(self.vapi.cli("show int address"))
capture = self.pg1.get_capture(len(pkts))
for pkt in capture:
self.logger.info(pkt.show2(dump=True))
self.assertEqual(
pkt[IPv6].dst, "1111:2222:bbbb:cccc:dddd:eeee:ffff:0")
|
