到https://support.solarflare.com/index.php/component/cognidox/?view=categories&id=1945下载最新版本的Solarflare Linux Utilities RPM，然后解压、安装。
# unzip SF-107601-LS-63_Solarflare_Linux_Utilities_RPM_64bit.zip
# rpm -ivh sfutils-7.5.4.1001-1.x86_64.rpm
warning: sfutils-7.5.4.1001-1.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 1942abc7: NOKEY
Preparing... ########################################### [100%]
1:sfutils ########################################### [100%]
Run "sfupdate"
This will display the versions of the firmware currently
installed on your network adapter
Run "sfupdate --write"
This will update the firmware on your adaptersfupdate --write --backup 这个命令可以在升级前保存原来的固件到本地文件中。
示例：（https://github.com/coreos/bugs/issues/412）
# sfupdate
Solarstorm firmware update utility [v3.4.0]
Copyright Solarflare Communications 2006-2013, Level 5 Networks 2002-2005
ens1f0 - MAC: 00-0F-53-12-00-88
ens1f1 - MAC: 00-0F-53-12-00-89
Firmware version: v3.2.0
PHY type: QT2025_KR
PHY version: v3.3.0.0
Controller type: Solarflare SFC9000 family
Controller version: v3.2.0.6006
Boot ROM version: v3.1.0.4018
The PHY firmware is up to date
This utility contains more recent Boot ROM firmware [v3.3.1.6312]
- run "sfupdate --write" to perform an update
This utility contains more recent controller firmware [v3.3.0.6275]
- run "sfupdate --write" to perform an update
# sfupdate --write
Solarstorm firmware update utility [v3.4.0]
Copyright Solarflare Communications 2006-2013, Level 5 Networks 2002-2005
ens1f1: not changing PHY firmware from 3.3.0.0 to 3.3.0.0
ens1f1: updating controller firmware from 3.2.0.6006 to 3.3.0.6275
ens1f1: will be disabled during controller firmware update
To continue, press Y then Enter
To skip this update, press Enter
Y
ens1f1: writing controller firmware
[100%] Complete
[100%] Completeg adapter
ens1f1: updating Boot ROM from 3.1.0.4018 to 3.3.1.6312
ens1f1: writing Boot ROM
[100%] Complete
ens1f1: writing version information
[100%] Complete
ens1f0: writing version information
[100%] Complete
# sfupdate
Solarstorm firmware update utility [v3.4.0]
Copyright Solarflare Communications 2006-2013, Level 5 Networks 2002-2005
ens1f0 - MAC: 00-0F-53-12-00-88
ens1f1 - MAC: 00-0F-53-12-00-89
Firmware version: v3.4.0
PHY type: QT2025_KR
PHY version: v3.3.0.0
Controller type: Solarflare SFC9000 family
Controller version: v3.3.0.6275
Boot ROM version: v3.3.1.6312
The PHY firmware is up to date
The Boot ROM firmware is up to date
The controller firmware is up to date
#ethtool -i ens1f0
driver: sfc
version: 4.0
firmware-version: 3.3.0.6275
bus-info: 0000:06:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: no
supports-register-dump: yes
supports-priv-flags: no