20250326在荣品的PRO-RK3566开发板的buildroot系统中打开ethtool

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于 2025-03-26 18:09:23 发布

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20250326在荣品的PRO-RK3566开发板的buildroot系统中打开ethtool
2025/3/26 17:51

缘起：在荣品的PRO-RK3566核心板的buildroot系统下，使用了RTL8211F-CG这个PHY。
我司使用场景是极度要求小体积/不占用空间的情况，因此只使用了4线的以太网。
也就是将千兆网卡当百兆网卡用了。【这个年头，纯百兆的以太网卡难买了^_也犯不着费这个劲了！】

x x Target options ---> x x
x x Build options ---> x x
x x Toolchain ---> x x
x x System configuration ---> x x
x x Kernel ---> x x
x x Target packages ---> x x
x x Filesystem images ---> x x
x x Bootloaders ---> x x
x x Host utilities ---> x x
x x Legacy config options --->

lqqqqqqqqqqqqqqqqqqqq Search Configuration Parameter qqqqqqqqqqqqqqqqqqqqqk
x Enter (sub)string or regexp to search for (with or without "") x
x lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk x
x xethtool x x
x mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj x
x x
x x
tqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqu
x < Ok > < Help > x
mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj

/tmp/tmp.0ZvVklgikU/.config - Buildroot linux5.10-rkr7.1(v1.4.0_20231220)-395-gad3330a33b-dirty Configuration
> Search (ethtool) qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq Search Results qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk
x Symbol: BR2_PACKAGE_ETHTOOL [=n] x
x Type : bool x
x Prompt: ethtool x
x Location: x
x -> Target packages x
x (1) -> Networking applications x
x Defined at package/ethtool/Config.in:1 x
x x
x x
x Symbol: BR2_PACKAGE_ETHTOOL_PRETTY_PRINT [=n] x
x Type : bool x
x Prompt: enable pretty printing x
x Location: x
x -> Target packages x
x -> Networking applications x
x (2) -> ethtool (BR2_PACKAGE_ETHTOOL [=n]) x
x Defined at package/ethtool/Config.in:9 x
x Depends on: BR2_PACKAGE_ETHTOOL [=n]

/tmp/tmp.0ZvVklgikU/.config - Buildroot linux5.10-rkr7.1(v1.4.0_20231220)-395-gad3330a33b-dirty Configuration
> Target packages qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq Target packages qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk
x Arrow keys navigate the menu. <Enter> selects submenus ---> (or empty submenus ----). Highlighted letters are hotkeys. Pressing <Y> selects a feature, while <N> excludes a feature. Press <Esc><Esc> to exit, <?> for x
x Help, </> for Search. Legend: [*] feature is selected [ ] feature is excluded x
x x
x x
x lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk x
x x Hardware Platforms ---> x x
x x Rongpin supports ---> x x
x x -*- BusyBox x x
x x [ ] Enable static x x
x x (package/busybox/busybox.config) BusyBox configuration file to use? x x
x x (board/rockchip/common/base/busybox.fragment) Additional BusyBox configuration fragment files x x
x x [*] Enable unicode support x x
x x [*] Bypass unicode when printing x x
x x [*] Show packages that are also provided by busybox x x
x x [ ] Individual binaries x x
x x [ ] Install the watchdog daemon startup script x x
x x Audio and video applications ---> x x
x x Compressors and decompressors ---> x x
x x Debugging, profiling and benchmark ---> x x
x x Development tools ---> x x
x x Filesystem and flash utilities ---> x x
x x Fonts, cursors, icons, sounds and themes ---> x x
x x Games ---> x x
x x Graphic libraries and applications (graphic/text) ---> x x
x x Hardware handling ---> x x
x x Interpreter languages and scripting ---> x x
x x Libraries ---> x x
x x Mail ---> x x
x x Miscellaneous ---> x x
x x Networking applications ---> x x
x x Package managers ---> x x
x x Real-Time ---> x x
x x Security ---> x x
x x Shell and utilities ---> x x
x x System tools ---> x x
x x Text editors and viewers ---> x x

rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$ ./build.sh buildroot-config
Log colors: message notice warning error fatal

Log saved at /home/rootroot/source/output/sessions/2025-03-26_13-49-14

==========================================
Final configs
==========================================
RK_BOOT_FIT_ITS=/home/rootroot/source/device/rockchip/.chip/boot.its
RK_BOOT_IMG=boot.img
RK_BUILDROOT=y
RK_BUILDROOT_CFG=rockchip_rk3566
RK_CHIP=rk3566
RK_CHIP_FAMILY=rk3566
RK_DEBIAN=y
RK_DEBIAN_ARCH=arm64
RK_DEBIAN_BULLSEYE=y
RK_DEBIAN_VERSION=bullseye
RK_DEFCONFIG=/home/rootroot/source/device/rockchip/.chips/rk3566_rk3568/pro-rk3566-buildroot_defconfig
RK_EXTRA_PARTITION_NUM=2
RK_EXTRA_PARTITION_STR=oem:oem:/oem:ext4:defaults:normal:auto:@userdata:userdata:/userdata:ext4:defaults:normal:auto:@@@
RK_KERNEL=y
RK_KERNEL_ARCH=arm64
RK_KERNEL_CFG=rockchip_linux_defconfig
RK_KERNEL_DTB=kernel/arch/arm64/boot/dts/rockchip/rk356x/pro-rk3566.dtb
RK_KERNEL_DTS=kernel/arch/arm64/boot/dts/rockchip/rk356x/pro-rk3566.dts
RK_KERNEL_IMG=kernel/arch/arm64/boot/Image
RK_KERNEL_KBUILD_ARCH=host
RK_KERNEL_VERSION=5.10
RK_KERNEL_VERSION_REAL=5.10
RK_LOADER=y
RK_MISC=y
RK_MISC_BLANK=y
RK_OWNER=rootroot
RK_OWNER_UID=1000
RK_PARAMETER=parameter-buildroot-fit.txt
RK_RECOVERY=y
RK_RECOVERY_CFG=rockchip_rk3566_recovery
RK_RECOVERY_FIT_ITS=/home/rootroot/source/device/rockchip/.chip/boot4recovery.its
RK_RECOVERY_INITRD_TYPE=cpio.gz
RK_ROOTFS=y
RK_ROOTFS_ASYNC_COMMIT=y
RK_ROOTFS_DEBUG_INFO=y
RK_ROOTFS_IRQBALANCE=y
RK_ROOTFS_OVERLAY=y
RK_ROOTFS_STRIP_MODULES=y
RK_ROOTFS_SYSTEM=buildroot
RK_ROOTFS_TYPE=ext4
RK_ROOTFS_UDEV_RULES=y
RK_SAVE_TRACKED=y
RK_SESSION=2025-03-26_13-49-14
RK_UBOOT_ARCH=arm64
RK_UBOOT_CFG=rk3566
RK_UPDATE=y
RK_USB_ADBD=y
RK_USB_ADBD_BASH=y
RK_USB_ADBD_TCP_PORT=5555
RK_USE_FIT_IMG=y
RK_WIFIBT_CHIP=ALL_AP
RK_YOCTO=y
RK_YOCTO_CHROMIUM=y
RK_YOCTO_DISPLAY_PLATFORM=wayland
RK_YOCTO_MACHINE=rockchip-rk3566-evb
RK_YOCTO_USBMOUNT=y

make: Entering directory '/home/rootroot/source/buildroot'
mkdir -p /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog
PKG_CONFIG_PATH="" make CC="/usr/bin/gcc" HOSTCC="/usr/bin/gcc" \
obj=/tmp/tmp.0ZvVklgikU/build/buildroot-config -C support/kconfig -f Makefile.br conf
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -MM *.c > /tmp/tmp.0ZvVklgikU/build/buildroot-config/.depend 2>/dev/null || :
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c conf.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/conf.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -I. -c /tmp/tmp.0ZvVklgikU/build/buildroot-config/zconf.tab.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/zconf.tab.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" /tmp/tmp.0ZvVklgikU/build/buildroot-config/conf.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/zconf.tab.o -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/conf
rm /tmp/tmp.0ZvVklgikU/build/buildroot-config/zconf.tab.c
GEN /tmp/tmp.0ZvVklgikU/Makefile
/home/rootroot/source/buildroot/build/parse_defconfig.sh /home/rootroot/source/buildroot/configs/rockchip_rk3566_defconfig /tmp/tmp.0ZvVklgikU/.config.in
Parsing defconfig: /home/rootroot/source/buildroot/configs/rockchip_rk3566_defconfig
Using configs/rockchip/base/kernel.config as base
Merging configs/rockchip/fs/e2fs.config
Merging configs/rockchip/base/common.config
Merging configs/rockchip/base/base.config
Merging configs/rockchip/chips/rk3566_rk3568.config
Merging configs/rockchip/chips/rk3566_rk3568_aarch64.config
Merging configs/rockchip/font/font.config
Merging configs/rockchip/font/chinese.config
Merging configs/rockchip/fs/exfat.config
Merging configs/rockchip/fs/ntfs.config
Merging configs/rockchip/fs/vfat.config
Merging configs/rockchip/gpu/gpu.config
Merging configs/rockchip/multimedia/audio.config
Merging configs/rockchip/multimedia/camera.config
Merging configs/rockchip/multimedia/gst/audio.config
Merging configs/rockchip/multimedia/gst/camera.config
Merging configs/rockchip/multimedia/gst/rtsp.config
Merging configs/rockchip/multimedia/gst/video.config
Merging configs/rockchip/multimedia/mpp.config
Merging configs/rockchip/wifibt/bt.config
Merging configs/rockchip/wifibt/network.config
Merging configs/rockchip/wifibt/wireless.config
Merging configs/rockchip/tools/benchmark.config
Merging configs/rockchip/tools/common.config
Merging configs/rockchip/tools/test.config
Merging configs/rockchip/chromium.config
Merging configs/rockchip/npu2.config
Merging configs/rockchip/powermanager.config
Merging configs/rockchip/weston.config
Merging configs/rockchip/font/font.config
Merging configs/rockchip/qt/qt5.config
Merging configs/rockchip/qt/app.config
Merging /home/rootroot/source/buildroot/configs/rockchip_rk3566_defconfig
Value of BR2_ROOTFS_OVERLAY is redefined by /home/rootroot/source/buildroot/configs/rockchip_rk3566_defconfig:
Previous value:   BR2_ROOTFS_OVERLAY="board/rockchip/common/base"
Modify value:   BR2_ROOTFS_OVERLAY+="board/rockchip/rk3566_rk3568/fs-overlay/"
New value:   BR2_ROOTFS_OVERLAY="board/rockchip/common/base board/rockchip/rk3566_rk3568/fs-overlay/"

#
# merged configuration written to /tmp/tmp.0ZvVklgikU/.config.in (needs make)
#
BR2_DEFCONFIG='' KCONFIG_AUTOCONFIG=/tmp/tmp.0ZvVklgikU/build/buildroot-config/auto.conf KCONFIG_AUTOHEADER=/tmp/tmp.0ZvVklgikU/build/buildroot-config/autoconf.h KCONFIG_TRISTATE=/tmp/tmp.0ZvVklgikU/build/buildroot-config/tristate.config BR2_CONFIG=/tmp/tmp.0ZvVklgikU/.config HOST_GCC_VERSION="9" BASE_DIR=/tmp/tmp.0ZvVklgikU SKIP_LEGACY= CUSTOM_KERNEL_VERSION="5.10" BR2_DEFCONFIG=/home/rootroot/source/buildroot/configs/rockchip_rk3566_defconfig /tmp/tmp.0ZvVklgikU/build/buildroot-config/conf --defconfig=/tmp/tmp.0ZvVklgikU/.config.in Config.in
/tmp/tmp.0ZvVklgikU/.config.in:209:warning: override: reassigning to symbol BR2_PACKAGE_NTP
#
# configuration written to /tmp/tmp.0ZvVklgikU/.config
#
mkdir -p /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog
PKG_CONFIG_PATH="" make CC="/usr/bin/gcc" HOSTCC="/usr/bin/gcc" \
obj=/tmp/tmp.0ZvVklgikU/build/buildroot-config -C support/kconfig -f Makefile.br mconf
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c lxdialog/checklist.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/checklist.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c lxdialog/inputbox.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/inputbox.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c lxdialog/menubox.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/menubox.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c lxdialog/textbox.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/textbox.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c lxdialog/util.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/util.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c lxdialog/yesno.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/yesno.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" -c mconf.c -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/mconf.o
/usr/bin/gcc -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1 -DLOCALE -I/tmp/tmp.0ZvVklgikU/build/buildroot-config -DCONFIG_=\"\" /tmp/tmp.0ZvVklgikU/build/buildroot-config/mconf.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/zconf.tab.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/checklist.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/util.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/inputbox.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/textbox.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/yesno.o /tmp/tmp.0ZvVklgikU/build/buildroot-config/lxdialog/menubox.o -Wl,-Bsymbolic-functions -lncursesw -ltinfo -o /tmp/tmp.0ZvVklgikU/build/buildroot-config/mconf
configuration written to /tmp/tmp.0ZvVklgikU/.config

*** End of the configuration.
*** Execute 'make' to start the build or try 'make help'.

make: Leaving directory '/home/rootroot/source/buildroot'
Updating defconfig: configs/rockchip_rk3566_defconfig
Original defconfig saved to /tmp/tmp.0ZvVklgikU/.defconfig
/tmp/tmp.0ZvVklgikU/.config.tmp:210:warning: override: reassigning to symbol BR2_PACKAGE_NTP
Base defconfig saved to /tmp/tmp.0ZvVklgikU/.base_defconfig
Value of BR2_PACKAGE_ETHTOOL applied to fragment:
Base value:
Final value: BR2_PACKAGE_ETHTOOL=y

Value of BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10 applied to fragment:
Base value:
Final value: BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y

Value of BR2_ROOTFS_OVERLAY applied to fragment:
Base value:   BR2_ROOTFS_OVERLAY="board/rockchip/common/base"
New value:   BR2_ROOTFS_OVERLAY="board/rockchip/common/base board/rockchip/rk3566_rk3568/fs-overlay/"
Final value:   BR2_ROOTFS_OVERLAY+="board/rockchip/rk3566_rk3568/fs-overlay/"

/tmp/tmp.0ZvVklgikU/.config.tmp:209:warning: override: reassigning to symbol BR2_PACKAGE_NTP
/tmp/tmp.0ZvVklgikU/.config.tmp:209:warning: override: reassigning to symbol BR2_PACKAGE_NTP
Done updating configs/rockchip_rk3566_defconfig.
Running 30-rootfs.sh - buildroot-config succeeded.
rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$
rootroot@rootroot-X99-Turbo:~/source$

root@rk3566-buildroot:/#
root@rk3566-buildroot:/# ethtool --version
ethtool version 5.12
root@rk3566-buildroot:/#
root@rk3566-buildroot:/# [ 36.271112] vcc3v3_lcd0_n: disabling
[ 36.271203] vcc3v3_lcd1_n: disabling

参考资料：
百度：ethtool -s eth0 speed 1000 duplex full autoneg on
RK3566 buildroot 以太网卡获取IP地址异常 169.254.118.255

https://blog.youkuaiyun.com/weixin_36343353/article/details/119226687
服务器自动获取169.254,4种可能导致出现169.254 IP地址段而上不了网的解决方法

http://www.45fan.com/a/Router/889.html
4种可能导致出现169.254 IP地址段而上不了网的解决方法

4、端口速率不匹配的原因导致169.254地址段出现。一般电脑网卡速率为10/100M自适应，而某些路由器LAN口却只支持10M，此时，我们最好能修改本地连接端口速率用于同路由器LAN口速率同步，具体修改方法见《教你修改网卡之双工速率》。

https://worktile.com/kb/ask/298865.html
linux命令ethtool

ethtool命令是一个用于查看和配置以太网接口的工具。它可以提供关于网络接口的详细信息，并允许你对接口进行一些基本配置。以下是ethtool命令的一些常用选项和用法：

1. 查看网络接口的信息：
ethtool eth0 # 查看eth0接口的详细信息
ethtool -i eth0 # 查看eth0接口的驱动程序信息
ethtool -g eth0 # 查看eth0接口支持的缓冲区大小

2. 开启或关闭接口的某些功能：
ethtool -K eth0 rx on # 开启eth0接口的接收功能
ethtool -K eth0 tx off # 关闭eth0接口的发送功能

3. 查询接口的速度、双工模式等：
ethtool eth0 | grep Speed # 查询eth0接口的速度
ethtool eth0 | grep Duplex # 查询eth0接口的双工模式

4. 修改接口的速度、双工模式等：
ethtool -s eth0 speed 1000 duplex full # 将eth0接口的速度设置为1000Mbps，双工模式设置为全双工

5. 查询接口的统计信息：
ethtool -S eth0 # 查询eth0接口的统计信息，如接收和发送的数据包数量、错误数量等

6. 更改接口的链接状态：
ethtool -s eth0 autoneg off # 关闭eth0接口的自动协商功能
ethtool -s eth0 autoneg on # 开启eth0接口的自动协商功能