aboutsummaryrefslogtreecommitdiffstats
path: root/test
diff options
context:
space:
mode:
authorNeale Ranns <nranns@cisco.com>2016-11-15 09:46:51 +0000
committerDamjan Marion <dmarion.lists@gmail.com>2016-11-22 21:26:55 +0000
commit177bbdcd8fa4e7621c5bdd3afd8c6e74b603e096 (patch)
treecf234b5bf8d79dac6a43570a903a11de44e26497 /test
parent7afe9e38269a30682a5e392b0e876e18d1465c31 (diff)
GRE tests and fixes
Change-Id: I234240e9bdd4b69ad64a17b1449ae1e81c0edaca Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test')
-rw-r--r--test/Makefile30
-rw-r--r--test/framework.py2
-rw-r--r--test/patches/scapy-2.3.3/gre-layers.patch25
-rw-r--r--test/test_gre.py700
-rw-r--r--test/vpp_gre_interface.py34
-rw-r--r--test/vpp_interface.py31
-rw-r--r--test/vpp_ip_route.py46
-rw-r--r--test/vpp_papi_provider.py51
-rw-r--r--test/vpp_sub_interface.py3
9 files changed, 917 insertions, 5 deletions
diff --git a/test/Makefile b/test/Makefile
index aac637d3e5f..de6aaa7a793 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -6,23 +6,45 @@ ifndef VPP_PYTHON_PREFIX
endif
PYTHON_VENV_PATH=$(VPP_PYTHON_PREFIX)/virtualenv
-PYTHON_DEPENDS=scapy pexpect
+PYTHON_DEPENDS=scapy==2.3.3 pexpect
+SCAPY_SOURCE=$(WS_ROOT)/build-root/python/virtualenv/lib/python2.7/site-packages/
-test: wipe verify-python-path
+
+.pip-install.ok:
@virtualenv $(PYTHON_VENV_PATH)
@bash -c "source $(PYTHON_VENV_PATH)/bin/activate && pip install $(PYTHON_DEPENDS)"
+ @touch $@
+
+.pip-patch.ok: .pip-install.ok
+ @echo --- patching ---
+ for f in $(CURDIR)/patches/scapy-2.3.3/*.patch ; do \
+ echo Applying patch: $$(basename $$f) ; \
+ patch -p1 -d $(SCAPY_SOURCE) < $$f ; \
+ done
+ @touch $@
+
+.install.ok: .pip-patch.ok
@bash -c "source $(PYTHON_VENV_PATH)/bin/activate && cd $(WS_ROOT)/vpp-api/python && python setup.py install"
+ @touch $@
+
+PHONIES=.install.ok .pip-patch.ok .pip-install.ok
+.PHONY: $(PHONIES)
+
+test: reset verify-python-path .install.ok
@bash -c "source $(PYTHON_VENV_PATH)/bin/activate && python run_tests.py discover -p test_$(TEST)\"*.py\""
-retest: wipe verify-python-path
+retest: reset verify-python-path
@bash -c "source $(PYTHON_VENV_PATH)/bin/activate && python run_tests.py discover -p test_$(TEST)\"*.py\""
.PHONY: wipe doc
-wipe:
+reset:
@rm -f /dev/shm/vpp-unittest-*
@rm -rf /tmp/vpp-unittest-*
+wipe: reset
+ @rm -f $(PHONIES)
+
doc: verify-python-path
@virtualenv $(PYTHON_VENV_PATH)
@bash -c "source $(PYTHON_VENV_PATH)/bin/activate && pip install $(PYTHON_DEPENDS) sphinx"
diff --git a/test/framework.py b/test/framework.py
index 227428ef9c2..1375f076dd6 100644
--- a/test/framework.py
+++ b/test/framework.py
@@ -265,8 +265,8 @@ class VppTestCase(unittest.TestCase):
def tearDown(self):
""" Show various debug prints after each test """
if not self.vpp_dead:
- self.logger.info(self.vapi.ppcli("show int"))
self.logger.debug(self.vapi.cli("show trace"))
+ self.logger.info(self.vapi.ppcli("show int"))
self.logger.info(self.vapi.ppcli("show hardware"))
self.logger.info(self.vapi.ppcli("show error"))
self.logger.info(self.vapi.ppcli("show run"))
diff --git a/test/patches/scapy-2.3.3/gre-layers.patch b/test/patches/scapy-2.3.3/gre-layers.patch
new file mode 100644
index 00000000000..605a705b0f7
--- /dev/null
+++ b/test/patches/scapy-2.3.3/gre-layers.patch
@@ -0,0 +1,25 @@
+diff --git a/scapy/layers/inet6.py b/scapy/layers/inet6.py
+index 03b80ec..a7e1e0f 100644
+--- a/scapy/layers/inet6.py
++++ b/scapy/layers/inet6.py
+@@ -3722,6 +3722,7 @@ conf.l2types.register(31, IPv6)
+
+ bind_layers(Ether, IPv6, type = 0x86dd )
+ bind_layers(CookedLinux, IPv6, proto = 0x86dd )
++bind_layers(GRE, IPv6, proto = 0x86dd )
+ bind_layers(IPerror6, TCPerror, nh = socket.IPPROTO_TCP )
+ bind_layers(IPerror6, UDPerror, nh = socket.IPPROTO_UDP )
+ bind_layers(IPv6, TCP, nh = socket.IPPROTO_TCP )
+diff --git a/scapy/layers/l2.py b/scapy/layers/l2.py
+index 4f491d2..661a5da 100644
+--- a/scapy/layers/l2.py
++++ b/scapy/layers/l2.py
+@@ -628,7 +628,7 @@ bind_layers( CookedLinux, EAPOL, proto=34958)
+ bind_layers( GRE, LLC, proto=122)
+ bind_layers( GRE, Dot1Q, proto=33024)
+ bind_layers( GRE, Dot1AD, type=0x88a8)
+-bind_layers( GRE, Ether, proto=1)
++bind_layers( GRE, Ether, proto=0x6558)
+ bind_layers( GRE, ARP, proto=2054)
+ bind_layers( GRE, EAPOL, proto=34958)
+ bind_layers( GRE, GRErouting, { "routing_present" : 1 } )
diff --git a/test/test_gre.py b/test/test_gre.py
new file mode 100644
index 00000000000..b5a1e346eca
--- /dev/null
+++ b/test/test_gre.py
@@ -0,0 +1,700 @@
+#!/usr/bin/env python
+
+import unittest
+import socket
+from logging import *
+
+from framework import VppTestCase, VppTestRunner
+from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
+from vpp_gre_interface import VppGreInterface
+from vpp_ip_route import IpRoute, IpPath
+from vpp_papi_provider import L2_VTR_OP
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether, Dot1Q, ARP, GRE
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import ICMPv6ND_NS, IPv6, UDP
+from scapy.contrib.mpls import MPLS
+from scapy.volatile import RandMAC, RandIP
+
+
+class TestGRE(VppTestCase):
+ """ GRE Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestGRE, cls).setUpClass()
+
+ def setUp(self):
+ super(TestGRE, self).setUp()
+
+ # create 2 pg interfaces - set one in a non-default table.
+ self.create_pg_interfaces(range(2))
+
+ self.pg1.set_table_ip4(1)
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ def tearDown(self):
+ super(TestGRE, self).tearDown()
+
+ def create_stream_ip4(self, src_if, src_ip, dst_ip):
+ pkts = []
+ for i in range(0, 257):
+ info = self.create_packet_info(src_if.sw_if_index,
+ src_if.sw_if_index)
+ payload = self.info_to_payload(info)
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=src_ip, dst=dst_ip) /
+ UDP(sport=1234, dport=1234) /
+ Raw(payload))
+ info.data = p.copy()
+ pkts.append(p)
+ return pkts
+
+ def create_tunnel_stream_4o4(self, src_if,
+ tunnel_src, tunnel_dst,
+ src_ip, dst_ip):
+ pkts = []
+ for i in range(0, 257):
+ info = self.create_packet_info(src_if.sw_if_index,
+ src_if.sw_if_index)
+ payload = self.info_to_payload(info)
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=tunnel_src, dst=tunnel_dst) /
+ GRE() /
+ IP(src=src_ip, dst=dst_ip) /
+ UDP(sport=1234, dport=1234) /
+ Raw(payload))
+ info.data = p.copy()
+ pkts.append(p)
+ return pkts
+
+ def create_tunnel_stream_6o4(self, src_if,
+ tunnel_src, tunnel_dst,
+ src_ip, dst_ip):
+ pkts = []
+ for i in range(0, 257):
+ info = self.create_packet_info(src_if.sw_if_index,
+ src_if.sw_if_index)
+ payload = self.info_to_payload(info)
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=tunnel_src, dst=tunnel_dst) /
+ GRE() /
+ IPv6(src=src_ip, dst=dst_ip) /
+ UDP(sport=1234, dport=1234) /
+ Raw(payload))
+ info.data = p.copy()
+ pkts.append(p)
+ return pkts
+
+ def create_tunnel_stream_l2o4(self, src_if,
+ tunnel_src, tunnel_dst):
+ pkts = []
+ for i in range(0, 257):
+ info = self.create_packet_info(src_if.sw_if_index,
+ src_if.sw_if_index)
+ payload = self.info_to_payload(info)
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=tunnel_src, dst=tunnel_dst) /
+ GRE() /
+ Ether(dst=RandMAC('*:*:*:*:*:*'),
+ src=RandMAC('*:*:*:*:*:*')) /
+ IP(src=str(RandIP()), dst=str(RandIP())) /
+ UDP(sport=1234, dport=1234) /
+ Raw(payload))
+ info.data = p.copy()
+ pkts.append(p)
+ return pkts
+
+ def create_tunnel_stream_vlano4(self, src_if,
+ tunnel_src, tunnel_dst, vlan):
+ pkts = []
+ for i in range(0, 257):
+ info = self.create_packet_info(src_if.sw_if_index,
+ src_if.sw_if_index)
+ payload = self.info_to_payload(info)
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=tunnel_src, dst=tunnel_dst) /
+ GRE() /
+ Ether(dst=RandMAC('*:*:*:*:*:*'),
+ src=RandMAC('*:*:*:*:*:*')) /
+ Dot1Q(vlan=vlan) /
+ IP(src=str(RandIP()), dst=str(RandIP())) /
+ UDP(sport=1234, dport=1234) /
+ Raw(payload))
+ info.data = p.copy()
+ pkts.append(p)
+ return pkts
+
+ def verify_filter(self, capture, sent):
+ if not len(capture) == len(sent):
+ # filter out any IPv6 RAs from the captur
+ for p in capture:
+ if (p.haslayer(ICMPv6ND_RA)):
+ capture.remove(p)
+ return capture
+
+ def verify_tunneled_4o4(self, src_if, capture, sent,
+ tunnel_src, tunnel_dst):
+
+ capture = self.verify_filter(capture, sent)
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tunnel_src)
+ self.assertEqual(rx_ip.dst, tunnel_dst)
+
+ rx_gre = rx[GRE]
+ rx_ip = rx_gre[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ # IP processing post pop has decremented the TTL
+ self.assertEqual(rx_ip.ttl + 1, tx_ip.ttl)
+
+ except:
+ rx.show()
+ tx.show()
+ raise
+
+ def verify_tunneled_l2o4(self, src_if, capture, sent,
+ tunnel_src, tunnel_dst):
+ capture = self.verify_filter(capture, sent)
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tunnel_src)
+ self.assertEqual(rx_ip.dst, tunnel_dst)
+
+ rx_gre = rx[GRE]
+ rx_l2 = rx_gre[Ether]
+ rx_ip = rx_l2[IP]
+ tx_gre = tx[GRE]
+ tx_l2 = tx_gre[Ether]
+ tx_ip = tx_l2[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ # bridged, not L3 forwarded, so no TTL decrement
+ self.assertEqual(rx_ip.ttl, tx_ip.ttl)
+
+ except:
+ rx.show()
+ tx.show()
+ raise
+
+ def verify_tunneled_vlano4(self, src_if, capture, sent,
+ tunnel_src, tunnel_dst, vlan):
+ try:
+ capture = self.verify_filter(capture, sent)
+ self.assertEqual(len(capture), len(sent))
+ except:
+ capture.show()
+ raise
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tunnel_src)
+ self.assertEqual(rx_ip.dst, tunnel_dst)
+
+ rx_gre = rx[GRE]
+ rx_l2 = rx_gre[Ether]
+ rx_vlan = rx_l2[Dot1Q]
+ rx_ip = rx_l2[IP]
+
+ self.assertEqual(rx_vlan.vlan, vlan)
+
+ tx_gre = tx[GRE]
+ tx_l2 = tx_gre[Ether]
+ tx_ip = tx_l2[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ # bridged, not L3 forwarded, so no TTL decrement
+ self.assertEqual(rx_ip.ttl, tx_ip.ttl)
+
+ except:
+ rx.show()
+ tx.show()
+ raise
+
+ def verify_decapped_4o4(self, src_if, capture, sent):
+ capture = self.verify_filter(capture, sent)
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+ tx_gre = tx[GRE]
+ tx_ip = tx_gre[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ # IP processing post pop has decremented the TTL
+ self.assertEqual(rx_ip.ttl + 1, tx_ip.ttl)
+
+ except:
+ rx.show()
+ tx.show()
+ raise
+
+ def verify_decapped_6o4(self, src_if, capture, sent):
+ capture = self.verify_filter(capture, sent)
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IPv6]
+ tx_gre = tx[GRE]
+ tx_ip = tx_gre[IPv6]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ self.assertEqual(rx_ip.hlim + 1, tx_ip.hlim)
+
+ except:
+ rx.show()
+ tx.show()
+ raise
+
+ def test_gre(self):
+ """ GRE tunnel Tests """
+
+ #
+ # Create an L3 GRE tunnel.
+ # - set it admin up
+ # - assign an IP Addres
+ # - Add a route via the tunnel
+ #
+ gre_if = VppGreInterface(self,
+ self.pg0.local_ip4,
+ "1.1.1.2")
+ gre_if.add_vpp_config()
+
+ #
+ # The double create (create the same tunnel twice) should fail,
+ # and we should still be able to use the original
+ #
+ try:
+ gre_if.add_vpp_config()
+ except Exception:
+ pass
+ else:
+ self.fail("Double GRE tunnel add does not fail")
+
+ gre_if.admin_up()
+ gre_if.config_ip4()
+
+ route_via_tun = IpRoute(self, "4.4.4.4", 32,
+ [IpPath("0.0.0.0", gre_if.sw_if_index)])
+
+ route_via_tun.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the tunnel
+ # - they are all dropped since the tunnel's desintation IP
+ # is unresolved - or resolves via the default route - which
+ # which is a drop.
+ #
+ tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "4.4.4.4")
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+
+ try:
+ self.assertEqual(0, len(rx))
+ except:
+ error("GRE packets forwarded without DIP resolved")
+ error(rx.show())
+ raise
+
+ #
+ # Add a route that resolves the tunnel's destination
+ #
+ route_tun_dst = IpRoute(self, "1.1.1.2", 32,
+ [IpPath(self.pg0.remote_ip4, self.pg0.sw_if_index)])
+ route_tun_dst.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the tunnel
+ # - packets are GRE encapped
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "4.4.4.4")
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_tunneled_4o4(self.pg0, rx, tx,
+ self.pg0.local_ip4, "1.1.1.2")
+
+ #
+ # Send tunneled packets that match the created tunnel and
+ # are decapped and forwarded
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_4o4(self.pg0,
+ "1.1.1.2",
+ self.pg0.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_decapped_4o4(self.pg0, rx, tx)
+
+ #
+ # Send tunneled packets that do not match the tunnel's src
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_4o4(self.pg0,
+ "1.1.1.3",
+ self.pg0.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ try:
+ self.assertEqual(0, len(rx))
+ except:
+ error("GRE packets forwarded despite no SRC address match")
+ error(rx.show())
+ raise
+
+ #
+ # Configure IPv6 on the PG interface so we can route IPv6
+ # packets
+ #
+ self.pg0.config_ip6()
+ self.pg0.resolve_ndp()
+
+ #
+ # Send IPv6 tunnel encapslated packets
+ # - dropped since IPv6 is not enabled on the tunnel
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_6o4(self.pg0,
+ "1.1.1.2",
+ self.pg0.local_ip4,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ try:
+ self.assertEqual(0, len(rx))
+ except:
+ error("IPv6 GRE packets forwarded despite IPv6 not enabled on tunnel")
+ error(rx.show())
+ raise
+
+ #
+ # Enable IPv6 on the tunnel
+ #
+ gre_if.config_ip6()
+
+ #
+ # Send IPv6 tunnel encapslated packets
+ # - forwarded since IPv6 is enabled on the tunnel
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_6o4(self.pg0,
+ "1.1.1.2",
+ self.pg0.local_ip4,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_decapped_6o4(self.pg0, rx, tx)
+
+ #
+ # test case cleanup
+ #
+ route_tun_dst.remove_vpp_config()
+ route_via_tun.remove_vpp_config()
+ gre_if.remove_vpp_config()
+
+ self.pg0.unconfig_ip6()
+
+ def test_gre_vrf(self):
+ """ GRE tunnel VRF Tests """
+
+ #
+ # Create an L3 GRE tunnel whose destination is in the non-default
+ # table. The underlay is thus non-default - the overlay is still
+ # the default.
+ # - set it admin up
+ # - assign an IP Addres
+ #
+ gre_if = VppGreInterface(self, self.pg1.local_ip4,
+ "2.2.2.2",
+ outer_fib_id=1)
+ gre_if.add_vpp_config()
+ gre_if.admin_up()
+ gre_if.config_ip4()
+
+ #
+ # Add a route via the tunnel - in the overlay
+ #
+ route_via_tun = IpRoute(self, "9.9.9.9", 32,
+ [IpPath("0.0.0.0", gre_if.sw_if_index)])
+ route_via_tun.add_vpp_config()
+
+ #
+ # Add a route that resolves the tunnel's destination - in the
+ # underlay table
+ #
+ route_tun_dst = IpRoute(self, "2.2.2.2", 32, table_id=1,
+ paths=[IpPath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_tun_dst.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the tunnel
+ # packets are sent in on pg0 which is in the default table
+ # - packets are GRE encapped
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "9.9.9.9")
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg1.get_capture()
+ self.verify_tunneled_4o4(self.pg1, rx, tx,
+ self.pg1.local_ip4, "2.2.2.2")
+
+ #
+ # Send tunneled packets that match the created tunnel and
+ # are decapped and forwarded. This tests the decap lookup
+ # does not happen in the encap table
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_4o4(self.pg1,
+ "2.2.2.2",
+ self.pg1.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.pg1.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_decapped_4o4(self.pg0, rx, tx)
+
+ #
+ # test case cleanup
+ #
+ route_tun_dst.remove_vpp_config()
+ route_via_tun.remove_vpp_config()
+ gre_if.remove_vpp_config()
+
+ def test_gre_l2(self):
+ """ GRE tunnel L2 Tests """
+
+ #
+ # Add routes to resolve the tunnel destinations
+ #
+ route_tun1_dst = IpRoute(self, "2.2.2.2", 32,
+ [IpPath(self.pg0.remote_ip4,
+ self.pg0.sw_if_index)])
+ route_tun2_dst = IpRoute(self, "2.2.2.3", 32,
+ [IpPath(self.pg0.remote_ip4,
+ self.pg0.sw_if_index)])
+
+ route_tun1_dst.add_vpp_config()
+ route_tun2_dst.add_vpp_config()
+
+ #
+ # Create 2 L2 GRE tunnels and x-connect them
+ #
+ gre_if1 = VppGreInterface(self, self.pg0.local_ip4,
+ "2.2.2.2",
+ is_teb=1)
+ gre_if2 = VppGreInterface(self, self.pg0.local_ip4,
+ "2.2.2.3",
+ is_teb=1)
+ gre_if1.add_vpp_config()
+ gre_if2.add_vpp_config()
+
+ gre_if1.admin_up()
+ gre_if2.admin_up()
+
+ self.vapi.sw_interface_set_l2_xconnect(gre_if1.sw_if_index,
+ gre_if2.sw_if_index,
+ enable=1)
+ self.vapi.sw_interface_set_l2_xconnect(gre_if2.sw_if_index,
+ gre_if1.sw_if_index,
+ enable=1)
+
+ #
+ # Send in tunnel encapped L2. expect out tunnel encapped L2
+ # in both directions
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_l2o4(self.pg0,
+ "2.2.2.2",
+ self.pg0.local_ip4)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_tunneled_l2o4(self.pg0, rx, tx,
+ self.pg0.local_ip4,
+ "2.2.2.3")
+
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_l2o4(self.pg0,
+ "2.2.2.3",
+ self.pg0.local_ip4)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_tunneled_l2o4(self.pg0, rx, tx,
+ self.pg0.local_ip4,
+ "2.2.2.2")
+
+ self.vapi.sw_interface_set_l2_xconnect(gre_if1.sw_if_index,
+ gre_if2.sw_if_index,
+ enable=0)
+ self.vapi.sw_interface_set_l2_xconnect(gre_if2.sw_if_index,
+ gre_if1.sw_if_index,
+ enable=0)
+
+ #
+ # Create a VLAN sub-interfaces on the GRE TEB interfaces
+ # then x-connect them
+ #
+ gre_if_11 = VppDot1QSubint(self, gre_if1, 11)
+ gre_if_12 = VppDot1QSubint(self, gre_if2, 12)
+
+ # gre_if_11.add_vpp_config()
+ # gre_if_12.add_vpp_config()
+
+ gre_if_11.admin_up()
+ gre_if_12.admin_up()
+
+ self.vapi.sw_interface_set_l2_xconnect(gre_if_11.sw_if_index,
+ gre_if_12.sw_if_index,
+ enable=1)
+ self.vapi.sw_interface_set_l2_xconnect(gre_if_12.sw_if_index,
+ gre_if_11.sw_if_index,
+ enable=1)
+
+ #
+ # Configure both to pop thier respective VLAN tags,
+ # so that during the x-coonect they will subsequently push
+ #
+ self.vapi.sw_interface_set_l2_tag_rewrite(gre_if_12.sw_if_index,
+ L2_VTR_OP.L2_POP_1,
+ 12)
+ self.vapi.sw_interface_set_l2_tag_rewrite(gre_if_11.sw_if_index,
+ L2_VTR_OP.L2_POP_1,
+ 11)
+
+ #
+ # Send traffic in both directiond - expect the VLAN tags to
+ # be swapped.
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_vlano4(self.pg0,
+ "2.2.2.2",
+ self.pg0.local_ip4,
+ 11)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_tunneled_vlano4(self.pg0, rx, tx,
+ self.pg0.local_ip4,
+ "2.2.2.3",
+ 12)
+
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_vlano4(self.pg0,
+ "2.2.2.3",
+ self.pg0.local_ip4,
+ 12)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_tunneled_vlano4(self.pg0, rx, tx,
+ self.pg0.local_ip4,
+ "2.2.2.2",
+ 11)
+
+ #
+ # Cleanup Test resources
+ #
+ gre_if_11.remove_vpp_config()
+ gre_if_12.remove_vpp_config()
+ gre_if1.remove_vpp_config()
+ gre_if2.remove_vpp_config()
+ route_tun1_dst.add_vpp_config()
+ route_tun2_dst.add_vpp_config()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/test/vpp_gre_interface.py b/test/vpp_gre_interface.py
new file mode 100644
index 00000000000..b6a66332a99
--- /dev/null
+++ b/test/vpp_gre_interface.py
@@ -0,0 +1,34 @@
+
+from vpp_interface import VppInterface
+import socket
+
+
+class VppGreInterface(VppInterface):
+ """
+ VPP GRE interface
+ """
+
+ def __init__(self, test, src_ip, dst_ip, outer_fib_id=0, is_teb=0):
+ """ Create VPP loopback interface """
+ self._test = test
+ self.t_src = src_ip
+ self.t_dst = dst_ip
+ self.t_outer_fib = outer_fib_id
+ self.t_is_teb = is_teb
+
+ def add_vpp_config(self):
+ s = socket.inet_pton(socket.AF_INET, self.t_src)
+ d = socket.inet_pton(socket.AF_INET, self.t_dst)
+ r = self.test.vapi.gre_tunnel_add_del(s, d,
+ outer_fib_id=self.t_outer_fib,
+ is_teb=self.t_is_teb)
+ self._sw_if_index = r.sw_if_index
+ self.post_init_setup()
+
+ def remove_vpp_config(self):
+ s = socket.inet_pton(socket.AF_INET, self.t_src)
+ d = socket.inet_pton(socket.AF_INET, self.t_dst)
+ self.unconfig()
+ r = self.test.vapi.gre_tunnel_add_del(s, d,
+ outer_fib_id=self.t_outer_fib,
+ is_add=0)
diff --git a/test/vpp_interface.py b/test/vpp_interface.py
index 30ef8ae7a0a..511cf4bc2dd 100644
--- a/test/vpp_interface.py
+++ b/test/vpp_interface.py
@@ -176,6 +176,19 @@ class VppInterface(object):
addr_len = 24
self.test.vapi.sw_interface_add_del_address(
self.sw_if_index, addr, addr_len)
+ self.has_ip4_config = True
+
+ def unconfig_ip4(self):
+ """Remove IPv4 address on the VPP interface"""
+ try:
+ if (self.has_ip4_config):
+ self.test.vapi.sw_interface_add_del_address(
+ self.sw_if_index,
+ self.local_ip4n,
+ 24, is_add=0)
+ except AttributeError:
+ self.has_ip4_config = False
+ self.has_ip4_config = False
def configure_ipv4_neighbors(self):
"""For every remote host assign neighbor's MAC to IPv4 addresses."""
@@ -190,6 +203,24 @@ class VppInterface(object):
addr_len = 64
self.test.vapi.sw_interface_add_del_address(
self.sw_if_index, addr, addr_len, is_ipv6=1)
+ self.has_ip6_config = True
+
+ def unconfig_ip6(self):
+ """Remove IPv6 address on the VPP interface"""
+ try:
+ if (self.has_ip6_config):
+ self.test.vapi.sw_interface_add_del_address(
+ self.sw_if_index,
+ self.local_ip6n,
+ 64, is_ipv6=1, is_add=0)
+ except AttributeError:
+ self.has_ip6_config = False
+ self.has_ip6_config = False
+
+ def unconfig(self):
+ """Unconfigure IPv6 and IPv4 address on the VPP interface"""
+ self.unconfig_ip4()
+ self.unconfig_ip6()
def set_table_ip4(self, table_id):
"""Set the interface in a IPv4 Table.
diff --git a/test/vpp_ip_route.py b/test/vpp_ip_route.py
new file mode 100644
index 00000000000..78e6aaa23b9
--- /dev/null
+++ b/test/vpp_ip_route.py
@@ -0,0 +1,46 @@
+"""
+ IP Routes
+
+ object abstractions for representing IP routes in VPP
+"""
+
+import socket
+
+
+class IpPath:
+
+ def __init__(self, nh_addr, nh_sw_if_index, nh_table_id=0):
+ self.nh_addr = socket.inet_pton(socket.AF_INET, nh_addr)
+ self.nh_itf = nh_sw_if_index
+ self.nh_table_id = nh_table_id
+
+
+class IpRoute:
+ """
+ IP Route
+ """
+
+ def __init__(self, test, dest_addr,
+ dest_addr_len, paths, table_id=0):
+ self._test = test
+ self.paths = paths
+ self.dest_addr = socket.inet_pton(socket.AF_INET, dest_addr)
+ self.dest_addr_len = dest_addr_len
+ self.table_id = table_id
+
+ def add_vpp_config(self):
+ for path in self.paths:
+ self._test.vapi.ip_add_del_route(self.dest_addr,
+ self.dest_addr_len,
+ path.nh_addr,
+ path.nh_itf,
+ table_id=self.table_id)
+
+ def remove_vpp_config(self):
+ for path in self.paths:
+ self._test.vapi.ip_add_del_route(self.dest_addr,
+ self.dest_addr_len,
+ path.nh_addr,
+ path.nh_itf,
+ table_id=self.table_id,
+ is_add=0)
diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py
index 2148e94b2a8..23a108d9ca2 100644
--- a/test/vpp_papi_provider.py
+++ b/test/vpp_papi_provider.py
@@ -18,6 +18,9 @@ if do_import:
MPLS_IETF_MAX_LABEL = 0xfffff
MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1
+class L2_VTR_OP:
+ L2_POP_1 = 3
+
class VppPapiProvider(object):
"""VPP-api provider using vpp-papi
@@ -230,6 +233,20 @@ class VppPapiProvider(object):
return self.api(vpp_papi.sw_interface_set_l2_xconnect,
(rx_sw_if_index, tx_sw_if_index, enable))
+ def sw_interface_set_l2_tag_rewrite(self, sw_if_index, vtr_oper, push=0, tag1=0, tag2=0):
+ """L2 interface vlan tag rewrite configure request
+ :param client_index - opaque cookie to identify the sender
+ :param context - sender context, to match reply w/ request
+ :param sw_if_index - interface the operation is applied to
+ :param vtr_op - Choose from l2_vtr_op_t enum values
+ :param push_dot1q - first pushed flag dot1q id set, else dot1ad
+ :param tag1 - Needed for any push or translate vtr op
+ :param tag2 - Needed for any push 2 or translate x-2 vtr ops
+
+ """
+ return self.api(vpp_papi.l2_interface_vlan_tag_rewrite,
+ (sw_if_index, vtr_oper, push, tag1, tag2))
+
def sw_interface_set_flags(self, sw_if_index, admin_up_down,
link_up_down=0, deleted=0):
"""
@@ -278,6 +295,13 @@ class VppPapiProvider(object):
outer_vlan,
inner_vlan))
+ def delete_subif(self, sw_if_index):
+ """Delete subinterface
+
+ :param sw_if_index:
+ """
+ return self.api(vpp_papi.delete_subif, ([sw_if_index]))
+
def create_vlan_subif(self, sw_if_index, vlan):
"""
@@ -411,3 +435,30 @@ class VppPapiProvider(object):
"""
return self.api(vpp_papi.sw_interface_span_enable_disable, (sw_if_index_from, sw_if_index_to, enable ))
+
+ def gre_tunnel_add_del(self,
+ src_address,
+ dst_address,
+ outer_fib_id=0,
+ is_teb=0,
+ is_add=1,
+ is_ip6=0):
+ """ Add a GRE tunnel
+
+ :param src_address:
+ :param dst_address:
+ :param outer_fib_id: (Default value = 0)
+ :param is_add: (Default value = 1)
+ :param is_ipv6: (Default value = 0)
+ :param is_teb: (Default value = 0)
+ """
+
+ return self.api(
+ vpp_papi.gre_add_del_tunnel,
+ (is_add,
+ is_ip6,
+ is_teb,
+ src_address,
+ dst_address,
+ outer_fib_id)
+ )
diff --git a/test/vpp_sub_interface.py b/test/vpp_sub_interface.py
index b387d27b49d..027a24b2a1d 100644
--- a/test/vpp_sub_interface.py
+++ b/test/vpp_sub_interface.py
@@ -41,6 +41,9 @@ class VppSubInterface(VppPGInterface):
def add_dot1_layer(self, pkt):
pass
+ def remove_vpp_config(self):
+ self.test.vapi.delete_subif(self._sw_if_index)
+
class VppDot1QSubint(VppSubInterface):