refactor: remove unnecessary param

protocol/raw/src/forward.rs

@@ -71,7 +71,7 @@ impl Forward {
     async fn serve_udp(&self, raw: RawSocket) -> Result<()> {
         let source = source::Source::new(raw, self.ip_cidr);
 
-        forward_udp::forward_udp(source, self.net.clone()).await?;
+        forward_udp::forward_udp(source, self.net.clone(), None).await?;
 
         Ok(())
     }

protocol/raw/src/gateway.rs

@@ -36,15 +36,18 @@ pub struct GatewayDevice<I> {
     layer: Layer,
 }
 
-impl<I> GatewayDevice<I> {
+impl<I> GatewayDevice<I>
+where
+    I: AsyncDevice,
+{
     pub fn new(
         inner: I,
         ethernet_addr: EthernetAddress,
         lru_size: usize,
         ip_cidr: IpCidr,
         override_v4: SocketAddrV4,
-        layer: Layer,
     ) -> GatewayDevice<I> {
+        let layer = inner.capabilities().medium.into();
         GatewayDevice {
             inner,
             ethernet_addr,

protocol/raw/src/net.rs

@@ -16,7 +16,6 @@ use rd_interface::{
 };
 use tokio::{sync::Mutex, task::JoinHandle};
 use tokio_smoltcp::{
-    device::AsyncDevice,
     smoltcp::wire::{IpAddress, IpCidr},
     BufferSize, Net as SmoltcpNet, NetConfig,
 };
@@ -63,8 +62,7 @@ impl RawNet {
         let mut forward_handle = None;
 
         let smoltcp_net = if config.forward {
-            let layer = device.capabilities().medium.into();
-            let device = GatewayDevice::new(device, ethernet_addr, 100, ip_cidr, ip_addr, layer);
+            let device = GatewayDevice::new(device, ethernet_addr, 100, ip_cidr, ip_addr);
             let map = device.get_map();
             let smoltcp_net = Arc::new(SmoltcpNet::new(device, net_config));
 

protocol/ss/src/server.rs

@@ -66,6 +66,7 @@ impl SSServer {
                 udp_listener,
             ),
             self.net.clone(),
+            None,
         )
         .await?;