raspinfo: do not assume network interfaces names

raspinfo/raspinfo

@@ -170,18 +170,7 @@ audio_info() {
 network_info() {
    ifconfig | sed -e "s/\([0-9a-fA-F]\{1,4\}:\)\{7,7\}[0-9a-fA-F]\{1,4\}/y.y.y.y.y.y.y.y/g" | sed -e "s/[0-9a-fA-F]\{1,4\}:\(:[0-9a-fA-F]\{1,4\}\)\{1,4\}/y::y.y.y.y/g" | sed -e "s/\([0-9]\{1,3\}\.\)\{3,3\}[0-9]\{1,3\}/x.x.x.x/g" | sed -e "s/\([0-9a-fA-F]\{2,2\}\:\)\{5,5\}[0-9a-fA-F]\{2,2\}/m.m.m.m/g"
    echo
-   if command -v ethtool > /dev/null; then
-      ethtool eth0
-      echo
-      ethtool --show-eee eth0
-      echo
-      ethtool -S eth0
-   else
-      echo "ethtool not installed"
-   fi
-}
 
-wifi_info() {
    cat /proc/net/wireless 2>/dev/null || echo "/proc/net/wireless not available"
    echo
    if command -v rfkill >/dev/null; then
@@ -190,8 +179,28 @@ wifi_info() {
       echo "rfkill not installed"
    fi
    echo
+
    if command -v ethtool >/dev/null; then
-      ethtool -i wlan0
+      # Using sysfs to identify physical interfaces
+      for iface in /sys/class/net/*; do
+         iface_name=$(basename "$iface")
+         # Check if device directory exists (indicates physical interface)
+         if [ -d "$iface/device" ]; then
+            echo "$iface_name interface:"
+            if [ -d "$iface/phy80211" ]; then
+               ethtool -i $iface_name
+            else
+               sudo ethtool $iface_name
+               echo
+               ethtool --show-eee $iface_name
+               echo
+               ethtool -S $iface_name
+            fi
+            echo
+         fi
+      done
+   else
+      echo "ethtool not installed"
    fi
 }
 
@@ -269,8 +278,6 @@ echo
 
 network_info
 echo
-wifi_info
-echo
 
 echo "USB Information"
 echo "---------------"