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authorTetsuya Murakami <tetsuya.mrk@gmail.com>2020-03-23 16:10:28 -0700
committerNeale Ranns <nranns@cisco.com>2020-04-07 08:21:43 +0000
commitec9cb966875e1782a1d3c39be7488a56e7dc785a (patch)
tree1183ae081f0734c4dd5f302f2ec57b92488daf8f /test
parent032a5e3da0f4350390d97d6011160fe0d34a8d6e (diff)
sr: Support uSID function.
1. Add uSID function in VNET SRv6 2. Add test case for uSID Type: feature Signed-off-by: Tetsuya Murakami <tetsuya.mrk@gmail.com> Change-Id: I354fc687192ed713ceb81fccc9f7b69b6777f6f6 Signed-off-by: Tetsuya Murakami <tetsuya.mrk@gmail.com>
Diffstat (limited to 'test')
-rw-r--r--test/test_srv6_un.py323
1 files changed, 323 insertions, 0 deletions
diff --git a/test/test_srv6_un.py b/test/test_srv6_un.py
new file mode 100644
index 00000000000..5248e68c474
--- /dev/null
+++ b/test/test_srv6_un.py
@@ -0,0 +1,323 @@
+#!/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")