test-network: add tests for FooOverUDP tunnels

7 files changed, 113 insertions, 0 deletions

diff --git a/test/test-network/conf/25-fou-gre.netdev b/test/test-network/conf/25-fou-gre.netdev
new file mode 100644
index 0000000000..6ace606ed5
--- /dev/null
+++ b/test/test-network/conf/25-fou-gre.netdev
@@ -0,0 +1,14 @@
+[NetDev]
+Name=gretun96
+Kind=gre
+
+[Tunnel]
+Local=10.65.223.238
+Remote=10.65.223.239
+Key=1.2.5.103
+SerializeTunneledPackets=true
+Independent=true
+
+FooOverUDP=yes
+FOUDestinationPort=55556
+FOUSourcePort=1001
diff --git a/test/test-network/conf/25-fou-gretap.netdev b/test/test-network/conf/25-fou-gretap.netdev
new file mode 100644
index 0000000000..97fbc13d3c
--- /dev/null
+++ b/test/test-network/conf/25-fou-gretap.netdev
@@ -0,0 +1,13 @@
+[NetDev]
+Name=gretap96
+Kind=gretap
+
+[Tunnel]
+Local=10.65.223.238
+Remote=10.65.223.239
+Key=1.2.5.106
+SerializeTunneledPackets=true
+Independent=true
+
+FooOverUDP=yes
+FOUDestinationPort=55556
diff --git a/test/test-network/conf/25-fou-ipip.netdev b/test/test-network/conf/25-fou-ipip.netdev
new file mode 100644
index 0000000000..2f52157490
--- /dev/null
+++ b/test/test-network/conf/25-fou-ipip.netdev
@@ -0,0 +1,12 @@
+[NetDev]
+Name=ipiptun96
+Kind=ipip
+MTUBytes=1480
+
+[Tunnel]
+Local=192.168.223.238
+Remote=192.169.224.239
+Independent=true
+
+FooOverUDP=yes
+FOUDestinationPort=55555
diff --git a/test/test-network/conf/25-fou-ipproto-gre.netdev b/test/test-network/conf/25-fou-ipproto-gre.netdev
new file mode 100644
index 0000000000..09ecd9efb4
--- /dev/null
+++ b/test/test-network/conf/25-fou-ipproto-gre.netdev
@@ -0,0 +1,8 @@
+[NetDev]
+Name=fou98
+Kind=fou
+
+[FooOverUDP]
+Encapsulation=FooOverUDP
+Port=55556
+Protocol=GRE
diff --git a/test/test-network/conf/25-fou-ipproto-ipip.netdev b/test/test-network/conf/25-fou-ipproto-ipip.netdev
new file mode 100644
index 0000000000..b00d5ce588
--- /dev/null
+++ b/test/test-network/conf/25-fou-ipproto-ipip.netdev
@@ -0,0 +1,8 @@
+[NetDev]
+Name=fou99
+Kind=fou
+
+[FooOverUDP]
+Encapsulation=FooOverUDP
+Port=55555
+Protocol=ipip
diff --git a/test/test-network/conf/25-fou-sit.netdev b/test/test-network/conf/25-fou-sit.netdev
new file mode 100644
index 0000000000..f1b4f32574
--- /dev/null
+++ b/test/test-network/conf/25-fou-sit.netdev
@@ -0,0 +1,11 @@
+[NetDev]
+Name=sittun96
+Kind=sit
+
+[Tunnel]
+Local=10.65.223.238
+Remote=10.65.223.239
+Independent=true
+
+FooOverUDP=yes
+FOUDestinationPort=55555
diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index 202ee7e2ca..a246379644 100755
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -201,8 +201,10 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
         'erspan98',
         'erspan99',
         'geneve99',
+        'gretap96',
         'gretap98',
         'gretap99',
+        'gretun96',
         'gretun97',
         'gretun98',
         'gretun99',
@@ -214,6 +216,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
         'ip6tnl97',
         'ip6tnl98',
         'ip6tnl99',
+        'ipiptun96',
         'ipiptun97',
         'ipiptun98',
         'ipiptun99',
@@ -221,6 +224,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
         'isataptun99',
         'macvlan99',
         'macvtap99',
+        'sittun96',
         'sittun97',
         'sittun98',
         'sittun99',
@@ -257,6 +261,12 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
         '25-bridge.netdev',
         '25-erspan-tunnel-local-any.netdev',
         '25-erspan-tunnel.netdev',
+        '25-fou-gretap.netdev',
+        '25-fou-gre.netdev',
+        '25-fou-ipip.netdev',
+        '25-fou-ipproto-gre.netdev',
+        '25-fou-ipproto-ipip.netdev',
+        '25-fou-sit.netdev',
         '25-geneve.netdev',
         '25-gretap-tunnel-local-any.netdev',
         '25-gretap-tunnel.netdev',
@@ -786,6 +796,43 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
 
         self.assertTrue(self.link_exits('ipiptun99'))
 
+    @expectedFailureIfModuleIsNotAvailable('fou')
+    def test_fou(self):
+        # The following redundant check is necessary for CentOS CI.
+        # Maybe, error handling in lookup_id() in sd-netlink/generic-netlink.c needs to be updated.
+        self.assertTrue(is_module_available('fou'))
+
+        self.copy_unit_to_networkd_unit_path('25-fou-ipproto-ipip.netdev', '25-fou-ipproto-gre.netdev',
+                                             '25-fou-ipip.netdev', '25-fou-sit.netdev',
+                                             '25-fou-gre.netdev', '25-fou-gretap.netdev')
+        self.start_networkd()
+
+        self.assertTrue(self.link_exits('ipiptun96'))
+        self.assertTrue(self.link_exits('sittun96'))
+        self.assertTrue(self.link_exits('gretun96'))
+        self.assertTrue(self.link_exits('gretap96'))
+
+        output = subprocess.check_output(['ip', 'fou', 'show']).rstrip().decode('utf-8')
+        print(output)
+        self.assertRegex(output, 'port 55555 ipproto 4')
+        self.assertRegex(output, 'port 55556 ipproto 47')
+
+        output = subprocess.check_output(['ip', '-d', 'link', 'show', 'ipiptun96']).rstrip().decode('utf-8')
+        print(output)
+        self.assertRegex(output, 'encap fou encap-sport auto encap-dport 55555')
+        output = subprocess.check_output(['ip', '-d', 'link', 'show', 'sittun96']).rstrip().decode('utf-8')
+        print(output)
+        self.assertRegex(output, 'encap fou encap-sport auto encap-dport 55555')
+        output = subprocess.check_output(['ip', '-d', 'link', 'show', 'gretun96']).rstrip().decode('utf-8')
+        print(output)
+        self.assertRegex(output, 'encap fou encap-sport 1001 encap-dport 55556')
+        output = subprocess.check_output(['ip', '-d', 'link', 'show', 'gretap96']).rstrip().decode('utf-8')
+        print(output)
+        self.assertRegex(output, 'encap fou encap-sport auto encap-dport 55556')
+
+        subprocess.call(['ip', 'fou', 'del', 'port', '55555'])
+        subprocess.call(['ip', 'fou', 'del', 'port', '55556'])
+
     def test_vxlan(self):
         self.copy_unit_to_networkd_unit_path('25-vxlan.netdev', 'vxlan.network', '11-dummy.netdev')
         self.start_networkd()