network: Implement B.A.T.M.A.N. Advanced interface type

test/fuzz/fuzz-netdev-parser/28-batadv.netdev

@@ -0,0 +1,16 @@
+[NetDev]
+Name=bat0
+Kind=batadv
+Description=Batman test
+
+[BatmanAdvanced]
+GatewayMode=server
+Aggregation=1
+BridgeLoopAvoidance=1
+DistributedArpTable=1
+Fragmentation=1
+HopPenalty=10
+OriginatorIntervalSec=1
+GatewayBandwithDown=100K
+GatewayBandwithUp=12K
+RoutingAlgorithm=batman-v

test/fuzz/fuzz-netdev-parser/directives.netdev

@@ -223,3 +223,14 @@ InterfaceId=
 [BareUDP]
 DestinationPort=
 EtherType=
+[BatmanAdvanced]
+GatewayMode=
+Aggregation=
+BridgeLoopAvoidance=
+DistributedArpTable=
+Fragmentation=
+HopPenalty=
+OriginatorIntervalSec=
+GatewayBandwithDown=
+GatewayBandwithUp=
+RoutingAlgorithm=

test/fuzz/fuzz-network-parser/directives.network

@@ -226,6 +226,7 @@ VRF=
 IgnoreCarrierLoss=
 KeepConfiguration=
 DHCPv6PrefixDelegation=
+BatmanAdvanced=
 [IPv6Prefix]
 Prefix=
 OnLink=

test/test-network/conf/25-batadv.netdev

@@ -0,0 +1,14 @@
+[NetDev]
+Name=batadv99
+Kind=batadv
+Description=Batman test
+
+[BatmanAdvanced]
+GatewayMode=server
+RoutingAlgorithm=batman-iv
+DistributedArpTable=1
+Fragmentation=0
+HopPenalty=10
+OriginatorIntervalSec=1000ms
+GatewayBandwithDown=205M
+GatewayBandwithUp=2G

test/test-network/conf/netdev-link-local-addressing-yes.network

@@ -1,5 +1,6 @@
 [Match]
 Name=bareudp99
+Name=batadv99
 Name=ipvlan99
 Name=ipvtap99
 Name=macvlan99

test/test-network/systemd-networkd-tests.py

@@ -779,6 +779,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
     links = [
         '6rdtun99',
         'bareudp99',
+        'batadv99',
         'bond98',
         'bond99',
         'bridge99',
@@ -855,6 +856,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
         '21-vlan.network',
         '25-6rd-tunnel.netdev',
         '25-bareudp.netdev',
+        '25-batadv.netdev',
         '25-bond.netdev',
         '25-bond-balanced-tlb.netdev',
         '25-bridge.netdev',
@@ -1014,6 +1016,17 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
         self.assertRegex(output, 'dstport 1000 ')
         self.assertRegex(output, 'ethertype ip ')
 
+    @expectedFailureIfModuleIsNotAvailable('batman-adv')
+    def test_batadv(self):
+        copy_unit_to_networkd_unit_path('25-batadv.netdev', 'netdev-link-local-addressing-yes.network')
+        start_networkd()
+
+        self.wait_online(['batadv99:degraded'])
+
+        output = check_output('ip -d link show batadv99')
+        print(output)
+        self.assertRegex(output, 'batadv')
+
     def test_bridge(self):
         copy_unit_to_networkd_unit_path('25-bridge.netdev', '25-bridge-configure-without-carrier.network')
         start_networkd()