net: refactor to simplify lifetimes/generics.

1 files changed, 5 insertions, 6 deletions

diff --git a/examples/stm32f4/src/bin/usb_ethernet.rs b/examples/stm32f4/src/bin/usb_ethernet.rs
index 94e51c338..a9504ec04 100644
--- a/examples/stm32f4/src/bin/usb_ethernet.rs
+++ b/examples/stm32f4/src/bin/usb_ethernet.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Stack, StackResources};
+use embassy_net::StackResources;
 use embassy_stm32::rng::{self, Rng};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::usb::Driver;
@@ -31,8 +31,8 @@ async fn usb_ncm_task(class: Runner<'static, UsbDriver, MTU>) -> ! {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device<'static, MTU>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device<'static, MTU>>) -> ! {
+    runner.run().await
 }
 
 bind_interrupts!(struct Irqs {
@@ -144,11 +144,10 @@ async fn main(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device<'static, MTU>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(device, config, RESOURCES.init(StackResources::new()), seed));
+    let (stack, runner) = embassy_net::new(device, config, RESOURCES.init(StackResources::new()), seed);
 
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // And now we can use it!