3 files changed, 21 insertions, 0 deletions
diff --git a/talpid-core/src/tunnel/tun_provider/mod.rs b/talpid-core/src/tunnel/tun_provider/mod.rs
index 63d8800d1f..636a986582 100644
--- a/talpid-core/src/tunnel/tun_provider/mod.rs
+++ b/talpid-core/src/tunnel/tun_provider/mod.rs
@@ -12,6 +12,15 @@ cfg_if! {
         #[path = "unix.rs"]
         mod imp;
         use self::imp::UnixTunProvider;
+
+        /// Default implementation of `TunProvider` for Unix based operating systems.
+        ///
+        /// Android has a different mechanism to obtain tunnel interfaces, so it is not supported
+        /// here.
+        pub type PlatformTunProvider = UnixTunProvider;
+    } else {
+        /// Default stub implementation of `TunProvider` for Android and Windows.
+        pub type PlatformTunProvider = StubTunProvider;
     }
 }
 
diff --git a/talpid-core/src/tunnel/tun_provider/stub.rs b/talpid-core/src/tunnel/tun_provider/stub.rs
index 10f3f2e283..0b94b426bf 100644
--- a/talpid-core/src/tunnel/tun_provider/stub.rs
+++ b/talpid-core/src/tunnel/tun_provider/stub.rs
@@ -4,6 +4,12 @@ use talpid_types::BoxedError;
 /// Factory stub of tunnel devices.
 pub struct StubTunProvider;
 
+impl Default for StubTunProvider {
+    fn default() -> Self {
+        StubTunProvider
+    }
+}
+
 impl TunProvider for StubTunProvider {
     fn create_tun(&self, _: TunConfig) -> Result<Box<dyn Tun>, BoxedError> {
         unimplemented!();
diff --git a/talpid-core/src/tunnel/tun_provider/unix.rs b/talpid-core/src/tunnel/tun_provider/unix.rs
index d0191622bf..c0715a81bd 100644
--- a/talpid-core/src/tunnel/tun_provider/unix.rs
+++ b/talpid-core/src/tunnel/tun_provider/unix.rs
@@ -22,6 +22,12 @@ pub enum Error {
 /// Factory of tunnel devices on Unix systems.
 pub struct UnixTunProvider;
 
+impl Default for UnixTunProvider {
+    fn default() -> Self {
+        UnixTunProvider
+    }
+}
+
 impl TunProvider for UnixTunProvider {
     fn create_tun(&self, config: TunConfig) -> Result<Box<dyn Tun>, BoxedError> {
         let mut tunnel_device = TunnelDevice::new()