net: refactor to simplify lifetimes/generics.

1 files changed, 5 insertions, 6 deletions

diff --git a/examples/nrf52840/src/bin/usb_ethernet.rs b/examples/nrf52840/src/bin/usb_ethernet.rs
index e56b215e3..b07adac1f 100644
--- a/examples/nrf52840/src/bin/usb_ethernet.rs
+++ b/examples/nrf52840/src/bin/usb_ethernet.rs
@@ -6,7 +6,7 @@ use core::mem;
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Stack, StackResources};
+use embassy_net::StackResources;
 use embassy_nrf::rng::Rng;
 use embassy_nrf::usb::vbus_detect::HardwareVbusDetect;
 use embassy_nrf::usb::Driver;
@@ -39,8 +39,8 @@ async fn usb_ncm_task(class: Runner<'static, MyDriver, 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
 }
 
 #[embassy_executor::main]
@@ -116,10 +116,9 @@ async fn main(spawner: Spawner) {
 
     // Init network stack
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    static STACK: StaticCell<Stack<Device<'static, MTU>>> = 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!