Merge branch 'main' of github.com:klownfish/embassy

28 files changed, 155 insertions, 208 deletions

diff --git a/examples/nrf52840/src/bin/ethernet_enc28j60.rs b/examples/nrf52840/src/bin/ethernet_enc28j60.rs
index 94cf09c88..0946492fe 100644
--- a/examples/nrf52840/src/bin/ethernet_enc28j60.rs
+++ b/examples/nrf52840/src/bin/ethernet_enc28j60.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_net_enc28j60::Enc28j60;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_nrf::rng::Rng;
@@ -23,11 +23,12 @@ bind_interrupts!(struct Irqs {
 
 #[embassy_executor::task]
 async fn net_task(
-    stack: &'static Stack<
+    mut runner: embassy_net::Runner<
+        'static,
         Enc28j60<ExclusiveDevice<Spim<'static, peripherals::SPI3>, Output<'static>, Delay>, Output<'static>>,
     >,
 ) -> ! {
-    stack.run().await
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -67,12 +68,9 @@ async fn main(spawner: Spawner) {
 
     // Init network stack
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    static STACK: StaticCell<
-        Stack<Enc28j60<ExclusiveDevice<Spim<'static, peripherals::SPI3>, Output<'static>, Delay>, Output<'static>>>,
-    > = 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!
 
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!
 
diff --git a/examples/nrf52840/src/bin/wifi_esp_hosted.rs b/examples/nrf52840/src/bin/wifi_esp_hosted.rs
index a3b69a99b..26eaf485e 100644
--- a/examples/nrf52840/src/bin/wifi_esp_hosted.rs
+++ b/examples/nrf52840/src/bin/wifi_esp_hosted.rs
@@ -4,7 +4,7 @@
 use defmt::{info, unwrap, warn};
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Stack, StackResources};
+use embassy_net::StackResources;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pull};
 use embassy_nrf::rng::Rng;
 use embassy_nrf::spim::{self, Spim};
@@ -36,8 +36,8 @@ async fn wifi_task(
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<hosted::NetDriver<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, hosted::NetDriver<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -90,10 +90,9 @@ async fn main(spawner: Spawner) {
 
     // Init network stack
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    static STACK: StaticCell<Stack<hosted::NetDriver<'static>>> = 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!
 
diff --git a/examples/nrf9160/src/bin/modem_tcp_client.rs b/examples/nrf9160/src/bin/modem_tcp_client.rs
index 5335b6b51..929883884 100644
--- a/examples/nrf9160/src/bin/modem_tcp_client.rs
+++ b/examples/nrf9160/src/bin/modem_tcp_client.rs
@@ -46,15 +46,15 @@ async fn modem_task(runner: Runner<'static>) -> ! {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<embassy_net_nrf91::NetDriver<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, embassy_net_nrf91::NetDriver<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::task]
 async fn control_task(
     control: &'static context::Control<'static>,
     config: context::Config<'static>,
-    stack: &'static Stack<embassy_net_nrf91::NetDriver<'static>>,
+    stack: Stack<'static>,
 ) {
     unwrap!(control.configure(&config).await);
     unwrap!(
@@ -150,15 +150,9 @@ async fn main(spawner: Spawner) {
 
     // Init network stack
     static RESOURCES: StaticCell<StackResources<2>> = StaticCell::new();
-    static STACK: StaticCell<Stack<embassy_net_nrf91::NetDriver<'static>>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
-        device,
-        config,
-        RESOURCES.init(StackResources::<2>::new()),
-        seed,
-    ));
+    let (stack, runner) = embassy_net::new(device, config, RESOURCES.init(StackResources::<2>::new()), seed);
 
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     static CONTROL: StaticCell<context::Control<'static>> = StaticCell::new();
     let control = CONTROL.init(context::Control::new(control, 0).await);
diff --git a/examples/rp/src/bin/ethernet_w5500_multisocket.rs b/examples/rp/src/bin/ethernet_w5500_multisocket.rs
index aaa035a72..12003adbe 100644
--- a/examples/rp/src/bin/ethernet_w5500_multisocket.rs
+++ b/examples/rp/src/bin/ethernet_w5500_multisocket.rs
@@ -36,8 +36,8 @@ async fn ethernet_task(
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -71,17 +71,16 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
+    let (stack, runner) = embassy_net::new(
         device,
         embassy_net::Config::dhcpv4(Default::default()),
         RESOURCES.init(StackResources::new()),
         seed,
-    ));
+    );
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     info!("Waiting for DHCP...");
     let cfg = wait_for_config(stack).await;
@@ -89,12 +88,12 @@ async fn main(spawner: Spawner) {
     info!("IP address: {:?}", local_addr);
 
     // Create two sockets listening to the same port, to handle simultaneous connections
-    unwrap!(spawner.spawn(listen_task(&stack, 0, 1234)));
-    unwrap!(spawner.spawn(listen_task(&stack, 1, 1234)));
+    unwrap!(spawner.spawn(listen_task(stack, 0, 1234)));
+    unwrap!(spawner.spawn(listen_task(stack, 1, 1234)));
 }
 
 #[embassy_executor::task(pool_size = 2)]
-async fn listen_task(stack: &'static Stack<Device<'static>>, id: u8, port: u16) {
+async fn listen_task(stack: Stack<'static>, id: u8, port: u16) {
     let mut rx_buffer = [0; 4096];
     let mut tx_buffer = [0; 4096];
     let mut buf = [0; 4096];
@@ -131,7 +130,7 @@ async fn listen_task(stack: &'static Stack<Device<'static>>, id: u8, port: u16)
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
+async fn wait_for_config(stack: Stack<'static>) -> embassy_net::StaticConfigV4 {
     loop {
         if let Some(config) = stack.config_v4() {
             return config.clone();
diff --git a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
index 8e96a114c..d66a43a88 100644
--- a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
+++ b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
@@ -38,8 +38,8 @@ async fn ethernet_task(
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -74,17 +74,16 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
+    let (stack, runner) = embassy_net::new(
         device,
         embassy_net::Config::dhcpv4(Default::default()),
         RESOURCES.init(StackResources::new()),
         seed,
-    ));
+    );
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     info!("Waiting for DHCP...");
     let cfg = wait_for_config(stack).await;
@@ -119,7 +118,7 @@ async fn main(spawner: Spawner) {
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
+async fn wait_for_config(stack: Stack<'static>) -> embassy_net::StaticConfigV4 {
     loop {
         if let Some(config) = stack.config_v4() {
             return config.clone();
diff --git a/examples/rp/src/bin/ethernet_w5500_tcp_server.rs b/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
index 40736bf3c..97d9bd4c9 100644
--- a/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
+++ b/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
@@ -37,8 +37,8 @@ async fn ethernet_task(
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -73,17 +73,16 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
+    let (stack, runner) = embassy_net::new(
         device,
         embassy_net::Config::dhcpv4(Default::default()),
         RESOURCES.init(StackResources::new()),
         seed,
-    ));
+    );
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     info!("Waiting for DHCP...");
     let cfg = wait_for_config(stack).await;
@@ -128,7 +127,7 @@ async fn main(spawner: Spawner) {
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
+async fn wait_for_config(stack: Stack<'static>) -> embassy_net::StaticConfigV4 {
     loop {
         if let Some(config) = stack.config_v4() {
             return config.clone();
diff --git a/examples/rp/src/bin/ethernet_w5500_udp.rs b/examples/rp/src/bin/ethernet_w5500_udp.rs
index c79f01538..b1b5f9758 100644
--- a/examples/rp/src/bin/ethernet_w5500_udp.rs
+++ b/examples/rp/src/bin/ethernet_w5500_udp.rs
@@ -36,8 +36,8 @@ async fn ethernet_task(
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -71,17 +71,16 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
+    let (stack, runner) = embassy_net::new(
         device,
         embassy_net::Config::dhcpv4(Default::default()),
         RESOURCES.init(StackResources::new()),
         seed,
-    ));
+    );
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     info!("Waiting for DHCP...");
     let cfg = wait_for_config(stack).await;
@@ -108,7 +107,7 @@ async fn main(spawner: Spawner) {
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
+async fn wait_for_config(stack: Stack<'static>) -> embassy_net::StaticConfigV4 {
     loop {
         if let Some(config) = stack.config_v4() {
             return config.clone();
diff --git a/examples/rp/src/bin/usb_ethernet.rs b/examples/rp/src/bin/usb_ethernet.rs
index 03c510f37..9a15125d4 100644
--- a/examples/rp/src/bin/usb_ethernet.rs
+++ b/examples/rp/src/bin/usb_ethernet.rs
@@ -8,7 +8,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Stack, StackResources};
+use embassy_net::StackResources;
 use embassy_rp::clocks::RoscRng;
 use embassy_rp::peripherals::USB;
 use embassy_rp::usb::{Driver, InterruptHandler};
@@ -40,8 +40,8 @@ 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]
@@ -108,11 +108,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // 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!
 
diff --git a/examples/rp/src/bin/wifi_ap_tcp_server.rs b/examples/rp/src/bin/wifi_ap_tcp_server.rs
index 00f404a9b..4c9651433 100644
--- a/examples/rp/src/bin/wifi_ap_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_ap_tcp_server.rs
@@ -11,7 +11,7 @@ use cyw43_pio::PioSpi;
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Config, Stack, StackResources};
+use embassy_net::{Config, StackResources};
 use embassy_rp::bind_interrupts;
 use embassy_rp::clocks::RoscRng;
 use embassy_rp::gpio::{Level, Output};
@@ -33,8 +33,8 @@ async fn cyw43_task(runner: cyw43::Runner<'static, Output<'static>, PioSpi<'stat
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<cyw43::NetDriver<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, cyw43::NetDriver<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -80,16 +80,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    static STACK: StaticCell<Stack<cyw43::NetDriver<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
-        net_device,
-        config,
-        RESOURCES.init(StackResources::new()),
-        seed,
-    ));
-
-    unwrap!(spawner.spawn(net_task(stack)));
+    let (stack, runner) = embassy_net::new(net_device, config, RESOURCES.init(StackResources::new()), seed);
+
+    unwrap!(spawner.spawn(net_task(runner)));
 
     //control.start_ap_open("cyw43", 5).await;
     control.start_ap_wpa2("cyw43", "password", 5).await;
diff --git a/examples/rp/src/bin/wifi_scan.rs b/examples/rp/src/bin/wifi_scan.rs
index ab3529112..434f0074c 100644
--- a/examples/rp/src/bin/wifi_scan.rs
+++ b/examples/rp/src/bin/wifi_scan.rs
@@ -10,7 +10,6 @@ use core::str;
 use cyw43_pio::PioSpi;
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_net::Stack;
 use embassy_rp::bind_interrupts;
 use embassy_rp::gpio::{Level, Output};
 use embassy_rp::peripherals::{DMA_CH0, PIO0};
@@ -28,8 +27,8 @@ async fn cyw43_task(runner: cyw43::Runner<'static, Output<'static>, PioSpi<'stat
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<cyw43::NetDriver<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, cyw43::NetDriver<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
diff --git a/examples/rp/src/bin/wifi_tcp_server.rs b/examples/rp/src/bin/wifi_tcp_server.rs
index b2950d98a..7bf546e01 100644
--- a/examples/rp/src/bin/wifi_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_tcp_server.rs
@@ -12,7 +12,7 @@ use cyw43_pio::PioSpi;
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Config, Stack, StackResources};
+use embassy_net::{Config, StackResources};
 use embassy_rp::bind_interrupts;
 use embassy_rp::clocks::RoscRng;
 use embassy_rp::gpio::{Level, Output};
@@ -37,8 +37,8 @@ async fn cyw43_task(runner: cyw43::Runner<'static, Output<'static>, PioSpi<'stat
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<cyw43::NetDriver<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, cyw43::NetDriver<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -84,16 +84,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    static STACK: StaticCell<Stack<cyw43::NetDriver<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
-        net_device,
-        config,
-        RESOURCES.init(StackResources::new()),
-        seed,
-    ));
-
-    unwrap!(spawner.spawn(net_task(stack)));
+    let (stack, runner) = embassy_net::new(net_device, config, RESOURCES.init(StackResources::new()), seed);
+
+    unwrap!(spawner.spawn(net_task(runner)));
 
     loop {
         match control
diff --git a/examples/rp/src/bin/wifi_webrequest.rs b/examples/rp/src/bin/wifi_webrequest.rs
index b43be8905..1ae909917 100644
--- a/examples/rp/src/bin/wifi_webrequest.rs
+++ b/examples/rp/src/bin/wifi_webrequest.rs
@@ -13,7 +13,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::dns::DnsSocket;
 use embassy_net::tcp::client::{TcpClient, TcpClientState};
-use embassy_net::{Config, Stack, StackResources};
+use embassy_net::{Config, StackResources};
 use embassy_rp::bind_interrupts;
 use embassy_rp::clocks::RoscRng;
 use embassy_rp::gpio::{Level, Output};
@@ -40,8 +40,8 @@ async fn cyw43_task(runner: cyw43::Runner<'static, Output<'static>, PioSpi<'stat
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<cyw43::NetDriver<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, cyw43::NetDriver<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -87,16 +87,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    static STACK: StaticCell<Stack<cyw43::NetDriver<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<5>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
-        net_device,
-        config,
-        RESOURCES.init(StackResources::new()),
-        seed,
-    ));
-
-    unwrap!(spawner.spawn(net_task(stack)));
+    let (stack, runner) = embassy_net::new(net_device, config, RESOURCES.init(StackResources::new()), seed);
+
+    unwrap!(spawner.spawn(net_task(runner)));
 
     loop {
         match control
diff --git a/examples/std/src/bin/net.rs b/examples/std/src/bin/net.rs
index 310e7264d..cefa5448c 100644
--- a/examples/std/src/bin/net.rs
+++ b/examples/std/src/bin/net.rs
@@ -1,7 +1,7 @@
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Config, Ipv4Address, Ipv4Cidr, Stack, StackResources};
+use embassy_net::{Config, Ipv4Address, Ipv4Cidr, StackResources};
 use embassy_net_tuntap::TunTapDevice;
 use embassy_time::Duration;
 use embedded_io_async::Write;
@@ -22,8 +22,8 @@ struct Opts {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<TunTapDevice>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, TunTapDevice>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::task]
@@ -50,12 +50,11 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    static STACK: StaticCell<Stack<TunTapDevice>> = 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);
 
     // Launch network task
-    spawner.spawn(net_task(stack)).unwrap();
+    spawner.spawn(net_task(runner)).unwrap();
 
     // Then we can use it!
     let mut rx_buffer = [0; 4096];
diff --git a/examples/std/src/bin/net_dns.rs b/examples/std/src/bin/net_dns.rs
index c9615ef35..a42c5dbb7 100644
--- a/examples/std/src/bin/net_dns.rs
+++ b/examples/std/src/bin/net_dns.rs
@@ -1,7 +1,7 @@
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::dns::DnsQueryType;
-use embassy_net::{Config, Ipv4Address, Ipv4Cidr, Stack, StackResources};
+use embassy_net::{Config, Ipv4Address, Ipv4Cidr, StackResources};
 use embassy_net_tuntap::TunTapDevice;
 use heapless::Vec;
 use log::*;
@@ -20,8 +20,8 @@ struct Opts {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<TunTapDevice>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, TunTapDevice>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::task]
@@ -49,12 +49,11 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    static STACK: StaticCell<Stack<TunTapDevice>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack: &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);
 
     // Launch network task
-    spawner.spawn(net_task(stack)).unwrap();
+    spawner.spawn(net_task(runner)).unwrap();
 
     let host = "example.com";
     info!("querying host {:?}...", host);
diff --git a/examples/std/src/bin/net_ppp.rs b/examples/std/src/bin/net_ppp.rs
index c5c27c4a3..7d0f1327f 100644
--- a/examples/std/src/bin/net_ppp.rs
+++ b/examples/std/src/bin/net_ppp.rs
@@ -37,16 +37,12 @@ struct Opts {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<embassy_net_ppp::Device<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, embassy_net_ppp::Device<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::task]
-async fn ppp_task(
-    stack: &'static Stack<embassy_net_ppp::Device<'static>>,
-    mut runner: Runner<'static>,
-    port: SerialPort,
-) -> ! {
+async fn ppp_task(stack: Stack<'static>, mut runner: Runner<'static>, port: SerialPort) -> ! {
     let port = Async::new(port).unwrap();
     let port = BufReader::new(port);
     let port = adapter::FromFutures::new(port);
@@ -97,17 +93,16 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    static STACK: StaticCell<Stack<embassy_net_ppp::Device<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(
+    let (stack, net_runner) = embassy_net::new(
         device,
         Config::default(), // don't configure IP yet
         RESOURCES.init(StackResources::new()),
         seed,
-    ));
+    );
 
     // Launch network task
-    spawner.spawn(net_task(stack)).unwrap();
+    spawner.spawn(net_task(net_runner)).unwrap();
     spawner.spawn(ppp_task(stack, runner, port)).unwrap();
 
     // Then we can use it!
diff --git a/examples/std/src/bin/net_udp.rs b/examples/std/src/bin/net_udp.rs
index b2ba4915a..02d4d3efb 100644
--- a/examples/std/src/bin/net_udp.rs
+++ b/examples/std/src/bin/net_udp.rs
@@ -1,7 +1,7 @@
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::udp::{PacketMetadata, UdpSocket};
-use embassy_net::{Config, Ipv4Address, Ipv4Cidr, Stack, StackResources};
+use embassy_net::{Config, Ipv4Address, Ipv4Cidr, StackResources};
 use embassy_net_tuntap::TunTapDevice;
 use heapless::Vec;
 use log::*;
@@ -20,8 +20,8 @@ struct Opts {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<TunTapDevice>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, TunTapDevice>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::task]
@@ -48,12 +48,11 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    static STACK: StaticCell<Stack<TunTapDevice>> = 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);
 
     // Launch network task
-    spawner.spawn(net_task(stack)).unwrap();
+    spawner.spawn(net_task(runner)).unwrap();
 
     // Then we can use it!
     let mut rx_meta = [PacketMetadata::EMPTY; 16];
diff --git a/examples/std/src/bin/tcp_accept.rs b/examples/std/src/bin/tcp_accept.rs
index 39b29a449..5d36b739d 100644
--- a/examples/std/src/bin/tcp_accept.rs
+++ b/examples/std/src/bin/tcp_accept.rs
@@ -3,7 +3,7 @@ use core::fmt::Write as _;
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Config, Ipv4Address, Ipv4Cidr, Stack, StackResources};
+use embassy_net::{Config, Ipv4Address, Ipv4Cidr, StackResources};
 use embassy_net_tuntap::TunTapDevice;
 use embassy_time::{Duration, Timer};
 use embedded_io_async::Write as _;
@@ -24,8 +24,8 @@ struct Opts {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<TunTapDevice>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, TunTapDevice>) -> ! {
+    runner.run().await
 }
 
 #[derive(Default)]
@@ -62,12 +62,11 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    static STACK: StaticCell<Stack<TunTapDevice>> = 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);
 
     // Launch network task
-    spawner.spawn(net_task(stack)).unwrap();
+    spawner.spawn(net_task(runner)).unwrap();
 
     // Then we can use it!
     let mut rx_buffer = [0; 4096];
diff --git a/examples/stm32f4/src/bin/eth.rs b/examples/stm32f4/src/bin/eth.rs
index 9388c64bf..baed96449 100644
--- a/examples/stm32f4/src/bin/eth.rs
+++ b/examples/stm32f4/src/bin/eth.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Ipv4Address, Stack, StackResources};
+use embassy_net::{Ipv4Address, StackResources};
 use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
@@ -24,8 +24,8 @@ bind_interrupts!(struct Irqs {
 type Device = Ethernet<'static, ETH, GenericSMI>;
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -88,12 +88,11 @@ async fn main(spawner: Spawner) -> ! {
     //});
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device>> = 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);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // Ensure DHCP configuration is up before trying connect
     stack.wait_config_up().await;
@@ -105,7 +104,7 @@ async fn main(spawner: Spawner) -> ! {
     let mut tx_buffer = [0; 4096];
 
     loop {
-        let mut socket = TcpSocket::new(&stack, &mut rx_buffer, &mut tx_buffer);
+        let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
 
         socket.set_timeout(Some(embassy_time::Duration::from_secs(10)));
 
diff --git a/examples/stm32f4/src/bin/eth_w5500.rs b/examples/stm32f4/src/bin/eth_w5500.rs
index 5c3c6c3ba..6e6bef08c 100644
--- a/examples/stm32f4/src/bin/eth_w5500.rs
+++ b/examples/stm32f4/src/bin/eth_w5500.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Ipv4Address, Stack, StackResources};
+use embassy_net::{Ipv4Address, StackResources};
 use embassy_net_wiznet::chip::W5500;
 use embassy_net_wiznet::{Device, Runner, State};
 use embassy_stm32::exti::ExtiInput;
@@ -31,8 +31,8 @@ async fn ethernet_task(runner: Runner<'static, W5500, EthernetSPI, ExtiInput<'st
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device<'static>>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -92,12 +92,11 @@ async fn main(spawner: Spawner) -> ! {
     //    gateway: Some(Ipv4Address::new(10, 42, 0, 1)),
     //});
 
-    static STACK: StaticCell<Stack<Device>> = 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);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // Ensure DHCP configuration is up before trying connect
     stack.wait_config_up().await;
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!
 
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index 2fd10c8fb..1f1eadf37 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Ipv4Address, Stack, StackResources};
+use embassy_net::{Ipv4Address, StackResources};
 use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
@@ -25,8 +25,8 @@ bind_interrupts!(struct Irqs {
 type Device = Ethernet<'static, ETH, GenericSMI>;
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -89,12 +89,11 @@ async fn main(spawner: Spawner) -> ! {
     //});
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device>> = 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);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // Ensure DHCP configuration is up before trying connect
     stack.wait_config_up().await;
@@ -106,7 +105,7 @@ async fn main(spawner: Spawner) -> ! {
     let mut tx_buffer = [0; 4096];
 
     loop {
-        let mut socket = TcpSocket::new(&stack, &mut rx_buffer, &mut tx_buffer);
+        let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
 
         socket.set_timeout(Some(embassy_time::Duration::from_secs(10)));
 
diff --git a/examples/stm32h5/src/bin/eth.rs b/examples/stm32h5/src/bin/eth.rs
index 65cfad8c9..eee1632f5 100644
--- a/examples/stm32h5/src/bin/eth.rs
+++ b/examples/stm32h5/src/bin/eth.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Ipv4Address, Stack, StackResources};
+use embassy_net::{Ipv4Address, StackResources};
 use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
@@ -28,8 +28,8 @@ bind_interrupts!(struct Irqs {
 type Device = Ethernet<'static, ETH, GenericSMI>;
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -92,12 +92,11 @@ async fn main(spawner: Spawner) -> ! {
     //});
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device>> = 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);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // Ensure DHCP configuration is up before trying connect
     stack.wait_config_up().await;
@@ -109,7 +108,7 @@ async fn main(spawner: Spawner) -> ! {
     let mut tx_buffer = [0; 1024];
 
     loop {
-        let mut socket = TcpSocket::new(&stack, &mut rx_buffer, &mut tx_buffer);
+        let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
 
         socket.set_timeout(Some(embassy_time::Duration::from_secs(10)));
 
diff --git a/examples/stm32h7/src/bin/eth.rs b/examples/stm32h7/src/bin/eth.rs
index b2f8ed91e..ec3f2c000 100644
--- a/examples/stm32h7/src/bin/eth.rs
+++ b/examples/stm32h7/src/bin/eth.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
-use embassy_net::{Ipv4Address, Stack, StackResources};
+use embassy_net::{Ipv4Address, StackResources};
 use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
@@ -24,8 +24,8 @@ bind_interrupts!(struct Irqs {
 type Device = Ethernet<'static, ETH, GenericSMI>;
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -91,12 +91,11 @@ async fn main(spawner: Spawner) -> ! {
     //});
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device>> = 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);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // Ensure DHCP configuration is up before trying connect
     stack.wait_config_up().await;
@@ -108,7 +107,7 @@ async fn main(spawner: Spawner) -> ! {
     let mut tx_buffer = [0; 1024];
 
     loop {
-        let mut socket = TcpSocket::new(&stack, &mut rx_buffer, &mut tx_buffer);
+        let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
 
         socket.set_timeout(Some(embassy_time::Duration::from_secs(10)));
 
diff --git a/examples/stm32h7/src/bin/eth_client.rs b/examples/stm32h7/src/bin/eth_client.rs
index 274c24ab1..24983ca85 100644
--- a/examples/stm32h7/src/bin/eth_client.rs
+++ b/examples/stm32h7/src/bin/eth_client.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::client::{TcpClient, TcpClientState};
-use embassy_net::{Stack, StackResources};
+use embassy_net::StackResources;
 use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
@@ -25,8 +25,8 @@ bind_interrupts!(struct Irqs {
 type Device = Ethernet<'static, ETH, GenericSMI>;
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -91,12 +91,11 @@ async fn main(spawner: Spawner) -> ! {
     //});
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device>> = 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);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // Ensure DHCP configuration is up before trying connect
     stack.wait_config_up().await;
@@ -104,7 +103,7 @@ async fn main(spawner: Spawner) -> ! {
     info!("Network task initialized");
 
     let state: TcpClientState<1, 1024, 1024> = TcpClientState::new();
-    let client = TcpClient::new(&stack, &state);
+    let client = TcpClient::new(stack, &state);
 
     loop {
         // You need to start a server on the host machine, for example: `nc -l 8000`
diff --git a/examples/stm32h7/src/bin/eth_client_mii.rs b/examples/stm32h7/src/bin/eth_client_mii.rs
index aa6544f41..768d85993 100644
--- a/examples/stm32h7/src/bin/eth_client_mii.rs
+++ b/examples/stm32h7/src/bin/eth_client_mii.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_net::tcp::client::{TcpClient, TcpClientState};
-use embassy_net::{Stack, StackResources};
+use embassy_net::StackResources;
 use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
@@ -25,8 +25,8 @@ bind_interrupts!(struct Irqs {
 type Device = Ethernet<'static, ETH, GenericSMI>;
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device>) -> ! {
+    runner.run().await
 }
 
 #[embassy_executor::main]
@@ -97,12 +97,11 @@ async fn main(spawner: Spawner) -> ! {
     //});
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device>> = 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);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     // Ensure DHCP configuration is up before trying connect
     stack.wait_config_up().await;
@@ -110,7 +109,7 @@ async fn main(spawner: Spawner) -> ! {
     info!("Network task initialized");
 
     let state: TcpClientState<1, 1024, 1024> = TcpClientState::new();
-    let client = TcpClient::new(&stack, &state);
+    let client = TcpClient::new(stack, &state);
 
     loop {
         // You need to start a server on the host machine, for example: `nc -l 8000`
diff --git a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
index bd633cecb..be4270ada 100644
--- a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
+++ b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
@@ -206,12 +206,11 @@ async fn main(spawner: Spawner) {
     };
 
     // Init network stack
-    static STACK: StaticCell<Stack<Device<'static>>> = StaticCell::new();
     static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
-    let stack = &*STACK.init(Stack::new(device, ip_cfg, RESOURCES.init(StackResources::new()), seed));
+    let (stack, runner) = embassy_net::new(device, ip_cfg, RESOURCES.init(StackResources::new()), seed);
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(stack)));
+    unwrap!(spawner.spawn(net_task(runner)));
 
     let cfg = wait_for_config(stack).await;
     let local_addr = cfg.address.address();
@@ -274,7 +273,7 @@ async fn main(spawner: Spawner) {
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
+async fn wait_for_config(stack: Stack<'static>) -> embassy_net::StaticConfigV4 {
     loop {
         if let Some(config) = stack.config_v4() {
             return config;
@@ -323,8 +322,8 @@ async fn ethernet_task(runner: Runner<'static, SpeSpiCs, SpeInt, SpeRst>) -> ! {
 }
 
 #[embassy_executor::task]
-async fn net_task(stack: &'static Stack<Device<'static>>) -> ! {
-    stack.run().await
+async fn net_task(mut runner: embassy_net::Runner<'static, Device<'static>>) -> ! {
+    runner.run().await
 }
 
 // same panicking *behavior* as `panic-probe` but doesn't print a panic message
diff --git a/examples/stm32l5/src/bin/usb_ethernet.rs b/examples/stm32l5/src/bin/usb_ethernet.rs
index d02bac91d..095d50c73 100644
--- a/examples/stm32l5/src/bin/usb_ethernet.rs
+++ b/examples/stm32l5/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::Rng;
 use embassy_stm32::usb::Driver;
 use embassy_stm32::{bind_interrupts, peripherals, rng, usb, Config};
@@ -36,8 +36,8 @@ 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]
@@ -121,11 +121,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // 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!