to do soon

examples/zedboard/src/bin/ethernet.rs

@@ -232,6 +232,15 @@ async fn main(spawner: Spawner) -> ! {
         Output::new_for_emio(gpio_pins.emio.take(7).unwrap(), PinState::Low),
     ];
     loop {
+        // TODO: We have to check our own link state boolean/atomic here instead of the stack
+        // link. We have to periodically monitor the phy link state, and update the atomic from
+        // that value.
+        //
+        // If the link goes from up to down, we update the atomic and have to periodically check
+        // whether the link is up again.
+        //
+        // If it does from down to up, wait for auto-negotiation to complete, and update the
+        // atomic from that value.
         if !stack.is_link_up() {
             loop {
                 let config_up_fut = stack.wait_config_up();