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
+

src/debian/debian_ts_nic_optim_service.conf

@@ -0,0 +1,19 @@
+# This configuration file is customized by fox,
+# Optimize for TS UDP performance.
+
+[Unit]
+Description=Tailscale Network Optimization for Subnet/Exit Nodes
+ConditionVirtualization=!container
+After=network-online.target
+Wants=network-online.target
+Before=tailscaled.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/local/bin/tailscale-nic-optim.sh
+RemainAfterExit=yes
+StandardOutput=journal
+
+[Install]
+WantedBy=multi-user.target
+

src/debian/debian_ts_server_modules.conf

@@ -1,5 +0,0 @@
-# This configuration file is customized by fox,
-# Optimize netfilter related modules at system boot.
-
-nf_conntrack
-