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| #!/bin/bash
# ==========================================
# 网卡 Offload 优化自动配置脚本
# 默认动作: 关闭 TSO, GSO / 开启 GRO
# ==========================================
# 允许通过传参指定网卡，不传参则默认使用 eno1
INTERFACE=${1:-eno1}
SERVICE_NAME="nic-offload-fix.service"
SERVICE_PATH="/etc/systemd/system/${SERVICE_NAME}"
echo "=== 开始配置网卡 [${INTERFACE}] Offload 优化服务 ==="
# 1. 创建 systemd 服务文件
echo ">>> 正在写入 systemd 配置到 ${SERVICE_PATH}..."
cat > "${SERVICE_PATH}" << EOF
[Unit]
Description=Disable NIC offload to fix ${INTERFACE} TX hang
After=network.target
[Service]
Type=oneshot
ExecStart=/sbin/ethtool -K ${INTERFACE} tso off gso off gro on
[Install]
WantedBy=multi-user.target
EOF
# 2. 重载并启动服务
echo ">>> 正在重载 systemd 守护进程..."
systemctl daemon-reload
echo ">>> 正在启用并启动服务..."
systemctl enable --now ${SERVICE_NAME}
# 3. 验证与校验
echo ""
echo "=== 验证配置结果 ==="
echo "服务运行状态:"
systemctl status ${SERVICE_NAME} --no-pager | grep -E "Active:|Loaded:"
echo ""
echo "当前 [${INTERFACE}] 的 Offload 核心参数状态:"
ethtool -k "${INTERFACE}" | grep -E 'tcp-segmentation|generic-segmentation|generic-receive'
echo ""
echo "✅ 部署完成！"
echo "💡 卸载提示: 如需移除此优化，可执行以下命令:"
echo "systemctl disable --now ${SERVICE_NAME} && rm -f ${SERVICE_PATH} && systemctl daemon-reload"
|
