net: Set stm32 link speed with the Phy Speed read

src/net/net.rs

@@ -12,6 +12,7 @@ use smoltcp::{
 };
 use stm32_eth::{
     Parts, EthPins, PartsIn, 
+    mac::Speed,
     dma::{
         TxRingEntry, RxRingEntry, EthernetDMA
     }};
@@ -148,6 +149,20 @@ impl ServerHandle {
             );
 
             phy.phy_init();
+            while !phy.phy_link_up() {}
+
+            if let Some(speed) = phy.speed().map(|s| match s {
+                PhySpeed::HalfDuplexBase10T => Speed::HalfDuplexBase10T,
+                PhySpeed::FullDuplexBase10T => Speed::FullDuplexBase10T,
+                PhySpeed::HalfDuplexBase100Tx => Speed::HalfDuplexBase100Tx,
+                PhySpeed::FullDuplexBase100Tx => Speed::FullDuplexBase100Tx,
+            }) {
+                phy.get_miim().set_speed(speed);
+                info!("Detected link speed: {:?}", speed);
+            } else {
+                debug!("Failed to detect link speed.");
+            }
+
         } else {
             info!("Not resetting unsupported PHY.");
         }
@@ -218,6 +233,7 @@ use ieee802_3_miim::{
     phy::{
         lan87xxa::{LAN8720A, LAN8742A},
         BarePhy, KSZ8081R,
+        PhySpeed
     },
     Miim, Pause, Phy,
 };