diff --git a/src/bin/steamosctl.rs b/src/bin/steamosctl.rs
index 37e12f7..c9fc26d 100644
--- a/src/bin/steamosctl.rs
+++ b/src/bin/steamosctl.rs
@@ -8,6 +8,7 @@
 use anyhow::Result;
 use clap::{Parser, Subcommand};
 use itertools::Itertools;
+use std::collections::HashMap;
 use std::ops::Deref;
 use steamos_manager::cec::HdmiCecState;
 use steamos_manager::hardware::FanControlState;
@@ -15,7 +16,7 @@ use steamos_manager::power::{CPUScalingGovernor, GPUPerformanceLevel, GPUPowerPr
 use steamos_manager::proxy::{
     AmbientLightSensor1Proxy, CpuScaling1Proxy, FactoryReset1Proxy, FanControl1Proxy,
     GpuPerformanceLevel1Proxy, GpuPowerProfile1Proxy, HdmiCec1Proxy, Manager2Proxy, ManagerProxy,
-    Storage1Proxy, UpdateBios1Proxy, UpdateDock1Proxy, WifiPowerManagement1Proxy,
+    Storage1Proxy, UpdateBios1Proxy, UpdateDock1Proxy, WifiDebug1Proxy, WifiPowerManagement1Proxy,
 };
 use steamos_manager::wifi::{WifiBackend, WifiDebugMode, WifiPowerManagement};
 use zbus::fdo::PropertiesProxy;
@@ -129,8 +130,7 @@ enum Commands {
         /// Valid modes are on, off
         mode: WifiDebugMode,
         /// The size of the debug buffer, in bytes
-        #[arg(default_value_t = 20000)]
-        buffer: u32,
+        buffer: Option<u32>,
     },
 
     /// Get wifi debug mode
@@ -327,19 +327,29 @@ async fn main() -> Result<()> {
             println!("TDP limit min: {value}");
         }
         Commands::SetWifiBackend { backend } => {
-            proxy.set_wifi_backend(*backend as u32).await?;
+            let proxy = WifiDebug1Proxy::new(&conn).await?;
+            proxy.set_wifi_backend(backend.to_string().as_str()).await?;
         }
         Commands::GetWifiBackend => {
+            let proxy = WifiDebug1Proxy::new(&conn).await?;
             let backend = proxy.wifi_backend().await?;
-            match WifiBackend::try_from(backend) {
+            match WifiBackend::try_from(backend.as_str()) {
                 Ok(be) => println!("Wifi backend: {}", be),
                 Err(_) => println!("Got unknown value {backend} from backend"),
             }
         }
         Commands::SetWifiDebugMode { mode, buffer } => {
-            proxy.set_wifi_debug_mode(*mode as u32, *buffer).await?;
+            let proxy = WifiDebug1Proxy::new(&conn).await?;
+            let mut options = HashMap::<&str, &zvariant::Value<'_>>::new();
+            let buffer_size;
+            if let Some(size) = buffer {
+                buffer_size = Some(zvariant::Value::U32(*size));
+                options.insert("buffer_size", buffer_size.as_ref().unwrap());
+            }
+            proxy.set_wifi_debug_mode(*mode as u32, options).await?;
         }
         Commands::GetWifiDebugMode => {
+            let proxy = WifiDebug1Proxy::new(&conn).await?;
             let mode = proxy.wifi_debug_mode_state().await?;
             match WifiDebugMode::try_from(mode) {
                 Ok(m) => println!("Wifi debug mode: {}", m),
diff --git a/src/manager/root.rs b/src/manager/root.rs
index 9e08be1..24a9319 100644
--- a/src/manager/root.rs
+++ b/src/manager/root.rs
@@ -7,6 +7,7 @@
  */
 
 use anyhow::Result;
+use std::collections::HashMap;
 use std::ffi::OsStr;
 use tokio::fs::File;
 use tokio::sync::mpsc::Sender;
@@ -231,7 +232,7 @@ impl SteamOSManager {
     async fn set_wifi_debug_mode(
         &mut self,
         mode: u32,
-        buffer_size: u32,
+        options: HashMap<&str, zvariant::Value<'_>>,
         #[zbus(signal_context)] ctx: SignalContext<'_>,
     ) -> fdo::Result<()> {
         // Set the wifi debug mode to mode, using an int for flexibility going forward but only
@@ -240,6 +241,11 @@ impl SteamOSManager {
             Ok(mode) => mode,
             Err(e) => return Err(fdo::Error::InvalidArgs(e.to_string())),
         };
+        let buffer_size = match options.get("buffer_size").map(|v| v.downcast_ref::<u32>()) {
+            Some(Ok(v)) => v,
+            None => 20000,
+            Some(Err(e)) => return Err(fdo::Error::InvalidArgs(e.to_string())),
+        };
         match set_wifi_debug_mode(
             wanted_mode,
             buffer_size,
diff --git a/src/manager/user.rs b/src/manager/user.rs
index 9c42ded..c69b35e 100644
--- a/src/manager/user.rs
+++ b/src/manager/user.rs
@@ -7,6 +7,7 @@
  */
 
 use anyhow::Result;
+use std::collections::HashMap;
 use tokio::sync::mpsc::{Sender, UnboundedSender};
 use tokio::sync::oneshot;
 use tracing::error;
@@ -142,6 +143,10 @@ struct UpdateDock1 {
     job_manager: UnboundedSender<JobManagerCommand>,
 }
 
+struct WifiDebug1 {
+    proxy: Proxy<'static>,
+}
+
 struct WifiPowerManagement1 {
     proxy: Proxy<'static>,
 }
@@ -462,6 +467,43 @@ impl UpdateDock1 {
     }
 }
 
+#[interface(name = "com.steampowered.SteamOSManager1.WifiDebug1")]
+impl WifiDebug1 {
+    #[zbus(property)]
+    async fn wifi_debug_mode_state(&self) -> fdo::Result<u32> {
+        getter!(self, "WifiDebugModeState")
+    }
+
+    async fn set_wifi_debug_mode(
+        &self,
+        mode: u32,
+        options: HashMap<&str, zvariant::Value<'_>>,
+        #[zbus(signal_context)] ctx: SignalContext<'_>,
+    ) -> fdo::Result<()> {
+        method!(self, "SetWifiDebugMode", mode, options)?;
+        self.wifi_debug_mode_state_changed(&ctx)
+            .await
+            .map_err(zbus_to_zbus_fdo)?;
+        Ok(())
+    }
+
+    #[zbus(property(emits_changed_signal = "false"))]
+    async fn wifi_backend(&self) -> fdo::Result<String> {
+        match get_wifi_backend().await {
+            Ok(backend) => Ok(backend.to_string()),
+            Err(e) => Err(to_zbus_fdo_error(e)),
+        }
+    }
+
+    #[zbus(property)]
+    async fn set_wifi_backend(&self, backend: &str) -> zbus::Result<()> {
+        self.proxy
+            .call("SetWifiBackend", &(backend))
+            .await
+            .map_err(to_zbus_error)
+    }
+}
+
 #[interface(name = "com.steampowered.SteamOSManager1.WifiPowerManagement1")]
 impl WifiPowerManagement1 {
     #[zbus(property(emits_changed_signal = "false"))]
@@ -532,6 +574,9 @@ pub(crate) async fn create_interfaces(
         proxy: proxy.clone(),
         job_manager: job_manager.clone(),
     };
+    let wifi_debug = WifiDebug1 {
+        proxy: proxy.clone(),
+    };
     let wifi_power_management = WifiPowerManagement1 {
         proxy: proxy.clone(),
     };
@@ -551,6 +596,7 @@ pub(crate) async fn create_interfaces(
     object_server.at(MANAGER_PATH, storage).await?;
     object_server.at(MANAGER_PATH, update_bios).await?;
     object_server.at(MANAGER_PATH, update_dock).await?;
+    object_server.at(MANAGER_PATH, wifi_debug).await?;
     object_server
         .at(MANAGER_PATH, wifi_power_management)
         .await?;
@@ -733,4 +779,13 @@ mod test {
                 .unwrap()
         );
     }
+
+    #[tokio::test]
+    async fn interface_matches_wifi_debug() {
+        let test = start().await.expect("start");
+
+        assert!(test_interface_matches::<WifiDebug1>(&test.connection)
+            .await
+            .unwrap());
+    }
 }