ethtool 3.4.1 发布，该版本增加了很多的命令行参数，包括：
1. "--version" option,
2. reporting of driver features ("-i"),
3. reporting of supported pause frame modes and of 20G link modes,
4. firmware dumps ("-w" and "-W"),
5. external loopback tests ("-t"),
6. reporting and configuring the number of channels/queues ("-l" and "-L") and time stamping capabilities ("-T"),
7. reporting of pause frame autonegotiation results ("-a"),
8. support for querying and setting all generic net device features ("-k" and "-K") and private flags,
9. dumping of plugin module EEPROM ("-m")
等等，同时修复了不少的bug。
Linux 内核ethtool框架新增刷网卡firmware功能 http://www.linuxidc.com/Linux/2011-11/47483.htm
Linux认证辅导：Linux命令ethtool用法详解 http://www.linuxidc.com/Linux/2011-12/49163.htm
