优化文案描述 & 新增 TS UDP 优化

src/debian/debian_ts_nic_optim.conf

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+ETHTOOL_PATH=$(command -v ethtool)
+
+if [ -z "$ETHTOOL_PATH" ]; then
+    echo "Error: ethtool command not found. Please install ethtool."
+    exit 1
+fi
+
+NETDEV=$(ip route show default | awk '{for (i=1; i<=NF; i++) {if ($i == "dev") {print $(i+1); exit;}}}')
+
+if [ -z "$NETDEV" ]; then
+    echo "Error: Could not determine default network device using 'ip route show default'."
+    exit 1
+fi
+
+echo "Configuring network device $NETDEV using $ETHTOOL_PATH for Tailscale optimizations..."
+
+"$ETHTOOL_PATH" -K "$NETDEV" rx-udp-gro-forwarding on rx-gro-list off
+
+if [ "$?" -eq 0 ]; then
+    echo "Configuration successful for $NETDEV."
+    exit 0
+else
+    echo "Error: ethtool configuration failed. Check permissions or device status."
+    exit 1
+fi
+