feat:KCP协议

cmd/internal/transport/udp_device_other.go

@@ -0,0 +1,12 @@
+//go:build !linux
+
+package transport
+
+import (
+	"fmt"
+	"syscall"
+)
+
+func udpBindDeviceControl(device string) (func(string, string, syscall.RawConn) error, error) {
+	return nil, fmt.Errorf("transport: bind device %s is only supported on linux", device)
+}