1 files changed, 28 insertions, 0 deletions
diff --git a/talpid-core/src/winnet.rs b/talpid-core/src/winnet.rs
index 4ce9f06f46..ef3930649c 100644
--- a/talpid-core/src/winnet.rs
+++ b/talpid-core/src/winnet.rs
@@ -12,6 +12,9 @@ error_chain!{
         InvalidInterfaceAlias{
             description("Supplied interface alias is invalid")
         }
+        GetIpv6Status {
+            description("Failed to read IPv6 status on the TAP network interface")
+        }
     }
 }
 
@@ -62,3 +65,28 @@ extern "system" {
         sink_context: *mut c_void,
     ) -> u32;
 }
+
+
+/// Checks if IPv6 is enabled for the TAP interface
+pub fn get_tap_interface_ipv6_status() -> Result<bool> {
+    let tap_ipv6_status = unsafe { GetTapInterfaceIpv6Status(Some(error_sink), ptr::null_mut()) };
+
+    match tap_ipv6_status {
+        // Enabled
+        0 => Ok(true),
+        // Disabled
+        1 => Ok(false),
+        // Failure
+        2 => Err(Error::from(ErrorKind::GetIpv6Status)),
+        // Unexpected value
+        _ => {
+            error!("Unexpected return code from GetTapInterfaceIpv6Status");
+            Err(Error::from(ErrorKind::GetIpv6Status))
+        }
+    }
+}
+
+extern "system" {
+    #[link_name(GetTapInterfaceIpv6Status)]
+    fn GetTapInterfaceIpv6Status(sink: Option<ErrorSink>, sink_context: *mut c_void) -> u32;
+}