diff --git a/tests/rp/Cargo.toml b/tests/rp/Cargo.toml
index c69bf7a8..6a3df4b9 100644
--- a/tests/rp/Cargo.toml
+++ b/tests/rp/Cargo.toml
@@ -9,10 +9,11 @@ teleprobe-meta = "1.1"
 
 embassy-sync = { version = "0.2.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.2.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.2", path = "../../embassy-time", features = ["defmt"] }
+embassy-time = { version = "0.1.2", path = "../../embassy-time", features = ["defmt", "nightly", "unstable-traits"] }
 embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["nightly", "defmt", "unstable-pac", "unstable-traits", "time-driver", "critical-section-impl", "intrinsics", "rom-v2-intrinsics", "run-from-ram"]  }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "udp", "dhcpv4", "medium-ethernet"] }
+embassy-net-wiznet = { version = "0.1.0", path = "../../embassy-net-wiznet", features = ["defmt"] }
 cyw43 = { path = "../../cyw43", features = ["defmt", "firmware-logs"] }
 cyw43-pio = { path = "../../cyw43-pio", features = ["defmt", "overclock"] }
 
@@ -24,6 +25,7 @@ cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-rc.1" }
 embedded-hal-async = { version = "=1.0.0-rc.1" }
+embedded-hal-bus = { version = "=0.1.0-rc.1", features = ["async"] }
 panic-probe = { version = "0.3.0", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 embedded-io-async = { version = "0.5.0" }
@@ -31,6 +33,7 @@ embedded-storage = { version = "0.3" }
 static_cell = { version = "1.1", features = ["nightly"]}
 pio = "0.2"
 pio-proc = "0.2"
+rand = { version = "0.8.5", default-features = false }
 
 [profile.dev]
 debug = 2
diff --git a/tests/rp/src/bin/adc.rs b/tests/rp/src/bin/adc.rs
index b29a3a7c..0250fd5f 100644
--- a/tests/rp/src/bin/adc.rs
+++ b/tests/rp/src/bin/adc.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/cyw43-perf.rs b/tests/rp/src/bin/cyw43-perf.rs
index fffdabc9..1c665f95 100644
--- a/tests/rp/src/bin/cyw43-perf.rs
+++ b/tests/rp/src/bin/cyw43-perf.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use cyw43_pio::PioSpi;
 use defmt::{assert, panic, *};
diff --git a/tests/rp/src/bin/dma_copy_async.rs b/tests/rp/src/bin/dma_copy_async.rs
index 2c0b559a..b071ed9d 100644
--- a/tests/rp/src/bin/dma_copy_async.rs
+++ b/tests/rp/src/bin/dma_copy_async.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert_eq, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/ethernet_w5100s_perf.rs b/tests/rp/src/bin/ethernet_w5100s_perf.rs
new file mode 100644
index 00000000..faa8638c
--- /dev/null
+++ b/tests/rp/src/bin/ethernet_w5100s_perf.rs
@@ -0,0 +1,249 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+teleprobe_meta::target!(b"w5100s-evb-pico");
+teleprobe_meta::timeout!(120);
+
+use defmt::{assert, *};
+use embassy_executor::Spawner;
+use embassy_futures::join::join;
+use embassy_net::tcp::TcpSocket;
+use embassy_net::{Ipv4Address, Stack, StackResources};
+use embassy_net_wiznet::chip::W5100S;
+use embassy_net_wiznet::*;
+use embassy_rp::clocks::RoscRng;
+use embassy_rp::gpio::{Input, Level, Output, Pull};
+use embassy_rp::peripherals::{PIN_17, PIN_20, PIN_21, SPI0};
+use embassy_rp::spi::{Async, Config as SpiConfig, Spi};
+use embassy_time::{with_timeout, Delay, Duration, Timer};
+use embedded_hal_bus::spi::ExclusiveDevice;
+use rand::RngCore;
+use static_cell::make_static;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::task]
+async fn ethernet_task(
+    runner: Runner<
+        'static,
+        W5100S,
+        ExclusiveDevice<Spi<'static, SPI0, Async>, Output<'static, PIN_17>, Delay>,
+        Input<'static, PIN_21>,
+        Output<'static, PIN_20>,
+    >,
+) -> ! {
+    runner.run().await
+}
+
+#[embassy_executor::task]
+async fn net_task(stack: &'static Stack<Device<'static>>) -> ! {
+    stack.run().await
+}
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+    let mut rng = RoscRng;
+
+    let mut spi_cfg = SpiConfig::default();
+    spi_cfg.frequency = 50_000_000;
+    let (miso, mosi, clk) = (p.PIN_16, p.PIN_19, p.PIN_18);
+    let spi = Spi::new(p.SPI0, clk, mosi, miso, p.DMA_CH0, p.DMA_CH1, spi_cfg);
+    let cs = Output::new(p.PIN_17, Level::High);
+    let w5500_int = Input::new(p.PIN_21, Pull::Up);
+    let w5500_reset = Output::new(p.PIN_20, Level::High);
+
+    let mac_addr = [0x02, 0x00, 0x00, 0x00, 0x00, 0x00];
+    let state = make_static!(State::<8, 8>::new());
+    let (device, runner) = embassy_net_wiznet::new(
+        mac_addr,
+        state,
+        ExclusiveDevice::new(spi, cs, Delay),
+        w5500_int,
+        w5500_reset,
+    )
+    .await;
+    unwrap!(spawner.spawn(ethernet_task(runner)));
+
+    // Generate random seed
+    let seed = rng.next_u64();
+
+    // Init network stack
+    let stack = &*make_static!(Stack::new(
+        device,
+        embassy_net::Config::dhcpv4(Default::default()),
+        make_static!(StackResources::<2>::new()),
+        seed
+    ));
+
+    // Launch network task
+    unwrap!(spawner.spawn(net_task(&stack)));
+
+    info!("Waiting for DHCP up...");
+    while stack.config_v4().is_none() {
+        Timer::after(Duration::from_millis(100)).await;
+    }
+    info!("IP addressing up!");
+
+    let down = test_download(stack).await;
+    let up = test_upload(stack).await;
+    let updown = test_upload_download(stack).await;
+
+    assert!(down > TEST_EXPECTED_DOWNLOAD_KBPS);
+    assert!(up > TEST_EXPECTED_UPLOAD_KBPS);
+    assert!(updown > TEST_EXPECTED_UPLOAD_DOWNLOAD_KBPS);
+
+    info!("Test OK");
+    cortex_m::asm::bkpt();
+}
+
+const TEST_DURATION: usize = 10;
+const TEST_EXPECTED_DOWNLOAD_KBPS: usize = 500;
+const TEST_EXPECTED_UPLOAD_KBPS: usize = 500;
+const TEST_EXPECTED_UPLOAD_DOWNLOAD_KBPS: usize = 300;
+const RX_BUFFER_SIZE: usize = 4096;
+const TX_BUFFER_SIZE: usize = 4096;
+const SERVER_ADDRESS: Ipv4Address = Ipv4Address::new(192, 168, 2, 2);
+const DOWNLOAD_PORT: u16 = 4321;
+const UPLOAD_PORT: u16 = 4322;
+const UPLOAD_DOWNLOAD_PORT: u16 = 4323;
+
+async fn test_download(stack: &'static Stack<cyw43::NetDriver<'static>>) -> usize {
+    info!("Testing download...");
+
+    let mut rx_buffer = [0; RX_BUFFER_SIZE];
+    let mut tx_buffer = [0; TX_BUFFER_SIZE];
+    let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
+    socket.set_timeout(Some(Duration::from_secs(10)));
+
+    info!("connecting to {:?}:{}...", SERVER_ADDRESS, DOWNLOAD_PORT);
+    if let Err(e) = socket.connect((SERVER_ADDRESS, DOWNLOAD_PORT)).await {
+        error!("connect error: {:?}", e);
+        return 0;
+    }
+    info!("connected, testing...");
+
+    let mut rx_buf = [0; 4096];
+    let mut total: usize = 0;
+    with_timeout(Duration::from_secs(TEST_DURATION as _), async {
+        loop {
+            match socket.read(&mut rx_buf).await {
+                Ok(0) => {
+                    error!("read EOF");
+                    return 0;
+                }
+                Ok(n) => total += n,
+                Err(e) => {
+                    error!("read error: {:?}", e);
+                    return 0;
+                }
+            }
+        }
+    })
+    .await
+    .ok();
+
+    let kbps = (total + 512) / 1024 / TEST_DURATION;
+    info!("download: {} kB/s", kbps);
+    kbps
+}
+
+async fn test_upload(stack: &'static Stack<cyw43::NetDriver<'static>>) -> usize {
+    info!("Testing upload...");
+
+    let mut rx_buffer = [0; RX_BUFFER_SIZE];
+    let mut tx_buffer = [0; TX_BUFFER_SIZE];
+    let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
+    socket.set_timeout(Some(Duration::from_secs(10)));
+
+    info!("connecting to {:?}:{}...", SERVER_ADDRESS, UPLOAD_PORT);
+    if let Err(e) = socket.connect((SERVER_ADDRESS, UPLOAD_PORT)).await {
+        error!("connect error: {:?}", e);
+        return 0;
+    }
+    info!("connected, testing...");
+
+    let buf = [0; 4096];
+    let mut total: usize = 0;
+    with_timeout(Duration::from_secs(TEST_DURATION as _), async {
+        loop {
+            match socket.write(&buf).await {
+                Ok(0) => {
+                    error!("write zero?!??!?!");
+                    return 0;
+                }
+                Ok(n) => total += n,
+                Err(e) => {
+                    error!("write error: {:?}", e);
+                    return 0;
+                }
+            }
+        }
+    })
+    .await
+    .ok();
+
+    let kbps = (total + 512) / 1024 / TEST_DURATION;
+    info!("upload: {} kB/s", kbps);
+    kbps
+}
+
+async fn test_upload_download(stack: &'static Stack<cyw43::NetDriver<'static>>) -> usize {
+    info!("Testing upload+download...");
+
+    let mut rx_buffer = [0; RX_BUFFER_SIZE];
+    let mut tx_buffer = [0; TX_BUFFER_SIZE];
+    let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
+    socket.set_timeout(Some(Duration::from_secs(10)));
+
+    info!("connecting to {:?}:{}...", SERVER_ADDRESS, UPLOAD_DOWNLOAD_PORT);
+    if let Err(e) = socket.connect((SERVER_ADDRESS, UPLOAD_DOWNLOAD_PORT)).await {
+        error!("connect error: {:?}", e);
+        return 0;
+    }
+    info!("connected, testing...");
+
+    let (mut reader, mut writer) = socket.split();
+
+    let tx_buf = [0; 4096];
+    let mut rx_buf = [0; 4096];
+    let mut total: usize = 0;
+    let tx_fut = async {
+        loop {
+            match writer.write(&tx_buf).await {
+                Ok(0) => {
+                    error!("write zero?!??!?!");
+                    return 0;
+                }
+                Ok(_) => {}
+                Err(e) => {
+                    error!("write error: {:?}", e);
+                    return 0;
+                }
+            }
+        }
+    };
+
+    let rx_fut = async {
+        loop {
+            match reader.read(&mut rx_buf).await {
+                Ok(0) => {
+                    error!("read EOF");
+                    return 0;
+                }
+                Ok(n) => total += n,
+                Err(e) => {
+                    error!("read error: {:?}", e);
+                    return 0;
+                }
+            }
+        }
+    };
+
+    with_timeout(Duration::from_secs(TEST_DURATION as _), join(tx_fut, rx_fut))
+        .await
+        .ok();
+
+    let kbps = (total + 512) / 1024 / TEST_DURATION;
+    info!("upload+download: {} kB/s", kbps);
+    kbps
+}
diff --git a/tests/rp/src/bin/flash.rs b/tests/rp/src/bin/flash.rs
index c31d6dec..6e65fbdc 100644
--- a/tests/rp/src/bin/flash.rs
+++ b/tests/rp/src/bin/flash.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/float.rs b/tests/rp/src/bin/float.rs
index 0e0de85f..2874aa91 100644
--- a/tests/rp/src/bin/float.rs
+++ b/tests/rp/src/bin/float.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/gpio.rs b/tests/rp/src/bin/gpio.rs
index 946b7dc8..1a43a928 100644
--- a/tests/rp/src/bin/gpio.rs
+++ b/tests/rp/src/bin/gpio.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/gpio_async.rs b/tests/rp/src/bin/gpio_async.rs
index 532494de..60c65b7a 100644
--- a/tests/rp/src/bin/gpio_async.rs
+++ b/tests/rp/src/bin/gpio_async.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/gpio_multicore.rs b/tests/rp/src/bin/gpio_multicore.rs
index 780112bc..22be7824 100644
--- a/tests/rp/src/bin/gpio_multicore.rs
+++ b/tests/rp/src/bin/gpio_multicore.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{info, unwrap};
 use embassy_executor::Executor;
diff --git a/tests/rp/src/bin/multicore.rs b/tests/rp/src/bin/multicore.rs
index 114889de..ec794c48 100644
--- a/tests/rp/src/bin/multicore.rs
+++ b/tests/rp/src/bin/multicore.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{info, unwrap};
 use embassy_executor::Executor;
diff --git a/tests/rp/src/bin/pio_irq.rs b/tests/rp/src/bin/pio_irq.rs
index bdea63ea..c71e55d9 100644
--- a/tests/rp/src/bin/pio_irq.rs
+++ b/tests/rp/src/bin/pio_irq.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/pio_multi_load.rs b/tests/rp/src/bin/pio_multi_load.rs
index 356f1679..6343ff3a 100644
--- a/tests/rp/src/bin/pio_multi_load.rs
+++ b/tests/rp/src/bin/pio_multi_load.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/pwm.rs b/tests/rp/src/bin/pwm.rs
index c71d21ef..8c02b844 100644
--- a/tests/rp/src/bin/pwm.rs
+++ b/tests/rp/src/bin/pwm.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert, assert_eq, assert_ne, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/spi.rs b/tests/rp/src/bin/spi.rs
index 84dfa5a2..f347b80c 100644
--- a/tests/rp/src/bin/spi.rs
+++ b/tests/rp/src/bin/spi.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert_eq, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/spi_async.rs b/tests/rp/src/bin/spi_async.rs
index a4080b03..80d5a714 100644
--- a/tests/rp/src/bin/spi_async.rs
+++ b/tests/rp/src/bin/spi_async.rs
@@ -4,8 +4,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert_eq, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/uart.rs b/tests/rp/src/bin/uart.rs
index 2331c7d3..00f3e194 100644
--- a/tests/rp/src/bin/uart.rs
+++ b/tests/rp/src/bin/uart.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert_eq, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/uart_buffered.rs b/tests/rp/src/bin/uart_buffered.rs
index edabf55b..6ab7de29 100644
--- a/tests/rp/src/bin/uart_buffered.rs
+++ b/tests/rp/src/bin/uart_buffered.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert_eq, panic, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/uart_dma.rs b/tests/rp/src/bin/uart_dma.rs
index fee6c825..cd4af1ef 100644
--- a/tests/rp/src/bin/uart_dma.rs
+++ b/tests/rp/src/bin/uart_dma.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert_eq, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/bin/uart_upgrade.rs b/tests/rp/src/bin/uart_upgrade.rs
index effd0bc4..c07fc08c 100644
--- a/tests/rp/src/bin/uart_upgrade.rs
+++ b/tests/rp/src/bin/uart_upgrade.rs
@@ -1,8 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
-#[path = "../common.rs"]
-mod common;
+teleprobe_meta::target!(b"rpi-pico");
 
 use defmt::{assert_eq, *};
 use embassy_executor::Spawner;
diff --git a/tests/rp/src/common.rs b/tests/rp/src/common.rs
deleted file mode 100644
index 955674f2..00000000
--- a/tests/rp/src/common.rs
+++ /dev/null
@@ -1 +0,0 @@
-teleprobe_meta::target!(b"rpi-pico");