大家好，关于Linux下RTL8169的网卡驱动编译与安装？
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大家好，我今天下载RTL8169的源码包，在源码包的src文件夹执行make命令后得到r8169.ko。然后我用rmmod r8169卸载系统自带的r8169驱动。接着我用insmod r8169.ko把r8169的驱动程序挂载到系统上。但是网卡还是不能用。出现如下问题：
ifconfig：
eth0 Link encap:Ethernet HWaddr 00:1D:0F:24:6A:7E
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:16 Base address:0x2000
ethtool eth0：
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
MDI-X: Unknown
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
Link detected: no
service network restart
正在关闭接口 eth0： 错误：断开设备 'eth0'（/org/freedesktop/NetworkManager/Devices/0）失败：This device is not active
[失败]
关闭环回接口： [确定]
弹出环回接口： [确定]
弹出界面 eth0： [确定]
大家能帮我找出问题吗？谢谢
链接：以太网hwaddr eth概括：图书：00:1d24:6a：第七版
了广播组播系列：1500：1
接收数据包：0错误：0：0：0：0的超支
发送数据包：0错误：0：0：0：0的超支
碰撞：0txqueuelen：1000
接收的字节：0（0）-0（0）字节
中断：16基地地址：16
ethtool eth 0：
设置eth 0：
支持端口：[体]
支持的连接模式：10baset /半/全10baset
100100/半/全
1000baset /全部
支持自动协商：是的
广告链接模式：10baset10baset /半/全
100100/半/全
1000baset /全部
暂停帧使用：没有广告
广告自动协商：是的
速度：高速的
全双工
港口：双绞线
phyad：0
收发器：内部
自动协商：关
交叉网线：未知
支持wake-on：pumbg
wake-on：克
目前的消息级别的33（51）：000000
链路检测：无
重新启动网络服务
正在关闭接口eth 0：错误：断开设备' '（eth 0/组织/电子教鞭/网络管
理员/设备/0）失败：这个装置是不活跃的 参考技术B dmesg 一下看网卡的相关信息。追问
你好，本来我驱动找的不对，现在换了代码可以了。但是有一个问题？我们老师叫我把设计结果写成文档给他，我应该咋写？
追答我不知道你的设计内容是什么。
单就网卡驱动的话，个人理解应总结下面几个方面：
1、Linux模块编码方法
2、Linux网络协议栈结构，网卡在协议栈处理中的位置
3、网卡驱动的硬件资源配置，及代码修改内容
4、网卡驱动编译及安装/卸载流程
5、系统软硬件环境、测试
linux USB无线网卡（RTL8188EUS）驱动
文章目录
驱动简介
RTL8188EUS， usb无线网卡驱动
源码 RTL8188EUS
Kconfig是文件WIFI驱动的配置界面文档，图形界面配置文件
内容如下：
menuconfig REALTEK_WIFI
tristate "Realtek wifi"
if REALTEK_WIFI
choice
prompt "select wifi type"
default RTL8189FS
config RTL8189FS
depends on REALTEK_WIFI
tristate "rtl8189fs/ftv sdio wifi"
config RTL8188EUS
depends on REALTEK_WIFI
tristate "rtl8188eus usb wifi"
config RTL8192CU
depends on REALTEK_WIFI
tristate "Realtek 8192C USB WiFi"
endchoice
endif
删除内核自带的RTL8192CU驱动
内核自带的RTL8192CU驱动不稳定需要删除，内核源码中，drivers/net/wireless/rtlwifi/Kconfig 删除
config RTL8192CU
tristate "Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter"
depends on USB
select RTLWIFI
select RTLWIFI_USB
select RTL8192C_COMMON
---help---
This is the driver for Realtek RTL8192CU/RTL8188CU 802.11n USB
wireless network adapters.
If you choose to build it as a module, it will be called rtl8192cu
drivers/net/wireless/rtlwifi/Makefile
obj-$(CONFIG_RTL8192CU) += rtl8192cu/
添加源码驱动
- 拷贝源码文件到内核文件中
2）修改Kconfig文件
打开 drivers/net/wireless/Kconfig
添加
source "drivers/net/wireless/realtek/Kconfig"
这样WIFI驱动的配置界面才会出现在linux内核配置界面上
3）修改Makefile文件
打开 drivers/net/wireless/Makefile
添加
obj-y += realtek/
编译realtek中的程序。
配置linux内核
配置RTL8188驱动，先要配置USB，WIFI，802.11内核中的支持。
配置USB支持
-> Device Drivers
-> <*> USB support
-> <*> Support for Host-side USB
-> <*> EHCI HCD (USB 2.0) support
-> <*> OHCI HCD (USB 1.1) support
-> <*> ChipIdea Highspeed Dual Role Controller
-> [*] ChipIdea device controller
-> [*] ChipIdea host controller
配置WIFI支持
-> Device Drivers
-> [*] Network device support
-> [*] Wireless LAN
-> <*> IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)
-> [*] Support downloading firmware images with Host AP driver
-> [*] Support for non-volatile firmware download
配置IEEE 802.11支持
-> Networking support
-> -*- Wireless
-> [*] cfg80211 wireless extensions compatibility
-> <*> Generic IEEE 802.11 Networking Stack (mac80211)
编译WIFI驱动
将rtl81xx编译为驱动模块
-> Device Drivers
-> Network device support (NETDEVICES [=y])
-> Wireless LAN (WLAN [=y])
-> Realtek wifi (REALTEK_WIFI [=m])
-> (M) select wifi type
-> (M) rtl8189fs/ftv sdio wifi
-> (M) rtl8188eus usb wifi
-> (M) Realtek 8192C USB WiFi
执行编译命令
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- all -j16
在 rtl8189FS，rtl8188EUS，rtl8192CU目录下有相应的.ko文件生成。并将.ko文件复制到开发版的目录/lib/modules/4.1.15中
驱动加载：
depmod
modprobe 8188cu.ko
modprobe 8192cu.ko
root@ATK-IMX6U:~# modprobe 8188eu
root@ATK-IMX6U:~# modprobe 8192cu
[ 182.035128] usbcore: registered new interface driver rtl8192cu
查看网卡是否存在,一般是wlan0
ifconfig -a
...
wlan0 Link encap:Ethernet HWaddr 00:13:ef:f1:3d:54
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
如何上网，需要移植工具 wirless tools
wirless tools移植
源码包： iwlist_for_visteon-master.tar.bz2
解压后Makefile修改变量
## Compiler to use (modify this for cross compile).
CC = arm-linux-gnueabihf-gcc
## Other tools you need to modify for cross compile (static lib only).
AR = arm-linux-gnueabihf-ar
RANLIB = arm-linux-gnueabihf-ranlib
make clean
make
生成 iwlist、iwconfig、iwspy、iwpriv、ifrename 这 5 个工具，还有 libiw.so.29 这个库文件。
工具复制到/usr/bin 目录下，libiw.so.29复制到/usr/lib 目录下
工具测试：
root@ATK-IMX6U:~# iwlist
Usage: iwlist [interface] scanning [essid NNN] [last]
[interface] frequency
[interface] channel
[interface] bitrate
[interface] rate
[interface] encryption
[interface] keys
[interface] power
[interface] txpower
[interface] retry
[interface] ap
[interface] accesspoints
[interface] peers
[interface] event
[interface] auth
[interface] wpakeys
[interface] genie
[interface] modulation
root@ATK-IMX6U:~# ifconfig wlan0 up
[ 595.734197] ==> rtl8188e_iol_efuse_patch
[ 596.192262] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
root@ATK-IMX6U:~# iwlist wlan0 scan
wlan0 Scan completed :
Cell 01 - Address: 0C:72:2C:FD:2E:BD
ESSID:"TP-LINK_2.4GHz_FD2EBD"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
Bit Rates:300 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f202
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD940050F204104A0001101044000102103B0001031047001019679A75CA6B508686663B369BF4B3E21021000754502D4C494E4B1023000A544C2D5744523735303010240003322E301042000A313233343536373839301054000800060050F20400011011001A576972656C65737320526F7574657220544C2D57445237353030100800022008103C0001031049000600372A000120
Quality=48/100 Signal level=74/100
Extra:fm=0003
扫描结果，热点名字:"TP-LINK_2.4GHz_FD2EBD"可以连接。连接需要使用wpa_supplicant工具。
wps_supplicant移植
openssl工具移植
tar -vxzf openssl-1.1.1d.tar.gz
在openssl文件夹下执行配置文件
./Configure linux-armv4 shared no-asm --prefix=/home/wy/imx6ull/tools/openssl CROSS_COMPILE=arm-linux-gnueabihf-
prefix:安装的目录
make
make install
将/home/wy/imx6ull/tools/openssl/lib文件夹下的 libcrypto 和 libssl 库，拷贝到开发版/lib中
cp libcrypto.so* /lib/ -af
cp libssl.so* /lib/ -af
libnl库移植
源码 libnl-3.2.23.tar.gz
先安装 biosn 和 flex
sudo apt-get install bison
sudo apt-get install flex
源码文件libnl-3.2.23.tar.gz
tar -vxzf libnl-3.2.23.tar.gz
执行配置文件
./configure --host=arm-linux-gnueabihf --prefix=/home/wy/imx6ull/tools/libnl/
拷贝生成的/home/wy/imx6ull/tools/libnl/lib目录到开发版/usr/lib目录下
o cp lib/* /usr/lib/ -rf
wpa_supplicant移植
tar -vxzf wpa_supplicant-2.7.tar.gz
进入解压后的文件，进入wpa_supplicant子文件夹
要将 wpa_supplicant 下的 defconfig 文件拷贝一份并重命名为.config并进入配置
#openssl库文件和头文件
CFLAGS += -I/home/wy/imx6ull/tools/openssl/include
LIBS += -L/home/wy/imx6ull/tools/openssl/lib -lssl -lcrypto
#libnl库文件和头文件
CFLAGS += -I/home/wy/imx6ull/tools/libnl/include/libnl3
LIBS += -L/home/wy/imx6ull/tools/libnl/lib
CC=arm-linux-gnueabihf-gcc
到出环境变量PKG_CONFIG_PATH
export PKG_CONFIG_PATH=/home/wy/imx6ull/tools/libnl/lib/pkgconfig
编译
make -j12
目录下会生成wpa-supplicant 和 wpa_cli两个可执行文件，复制到开发版/usr/bin目录下
开发板下，查看wpa_supplicant 版本
root@ATK-IMX6U:~# wpa_supplicant -v
wpa_supplicant v2.7
Copyright (c) 2003-2018, Jouni Malinen <j@w1.fi> and contributors
在/etc目录下新建 “wpa_supplicant.conf”的配置文件,
设置网络名ssid，和密码psk
ctrl_interface=/var/run/wpa_supplicant
ap_scan=1
network={
ssid="TP-LINK_2.4GHz_FD2EBD"
psk="15869151017"
}
创建一个新的目录
mkdir /var/run/wpa_supplicant -p
测试上网功能
wpa_supplicant -D wext -c /etc/wpa_supplicant.conf -i wlan0 &
[ 2065.431974] RTL871X: set bssid:00:00:00:00:00:00
ioctl[SIOCSIWAP]: Operation not p[ 2065.438524] RTL871X: set ssid [p▒>▒A▒▒g>~▒▒▒k▒▒8\\*▒;▒2▒<T▒▒\\▒▒▒▒펀▒] fw_state=0x00000008
ermitted
wlan0: CTRL-EVENT-DISCONNECTED bssid=0c:72:2c:fd:2e:bd reason=3 locally_generated=1
wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="TP-LINK_2.4GHz_FD2EBD" auth_failures=1 duration=10 reason=CONN_FAILED
ioctl[SIOCGIWSCAN]: Resource temporarily unavailable
ioctl[SIOCGIWSCAN]: Resource temporarily unavailable
[ 2066.770343] RTL871X: indicate disassoc
wlan0: CTRL-EVENT-SSID-REENABLED [ 2077.183469] RTL871X: set ssid [TP-LINK_2.4GHz_FD2EBD] fw_state=0x00000008
id=0 ssid="TP-LINK_2.4GHz_FD2EBD"[ 2077.192950] RTL871X: set bssid:0c:72:2c:fd:2e:bd
wlan0: Trying to associate with 0c:72:2c:fd:2e:bd (SSID='TP-LINK_2.4GHz_FD2EBD' freq=2437 MHz)
[ 2077.308041] RTL871X: start auth
[ 2077.313502] RTL871X: auth success, start assoc
[ 2077.328205] RTL871X: assoc success
[ 2077.331927] RTL871X: recv eapol packet
wlan0: Associated with 0c:72:2c:fd:2e:bd
[ 2077.349569] RTL871X: send eapol packet
[ 2077.357809] RsvdPageNum: 8
[ 2077.361396] RTL871X: recv eapol packet
[ 2077.367405] RTL871X: send eapol packet
wlan0: WPA: Key negotiation completed with 0c:72:2c:fd:2e:bd [PTK[ 2077.376877] RTL871X: set pairwise key camid:4, addr:0c:72:2c:fd:2e:bd, kid:0, type:AES
=CCMP GTK=CCMP]
wlan0: CTRL-EVENT-CONNECTED - Connection to 0c:72:2c:fd:2e:bd completed [id=0 id[ 2077.391572] RTL871X: set group key camid:5, addr:0c:72:2c:fd:2e:bd, kid:2, type:AES
需要几秒钟的时间，最终有 CTRL-EVENT-CONNECTED 连接状态
动态获取IP地址
udhcpc -i wlan0
root@ATK-IMX6U:~# udhcpc -i wlan0
udhcpc (v1.24.1) started
Sending discover...
Sending select for 192.168.11.107...
Lease of 192.168.11.107 obtained, lease time 7200
/etc/udhcpc.d/50default: Adding DNS 192.168.11.1
查看网卡信息
root@ATK-IMX6U:~# ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 00:13:ef:f1:3d:54
inet addr:192.168.11.107 Bcast:192.168.11.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:19703 errors:0 dropped:98 overruns:0 frame:0
TX packets:19654 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1749865 (1.6 MiB) TX bytes:952586 (930.2 KiB)
访问外网 ping
root@ATK-IMX6U:~# ping www.baidu.com
PING www.a.shifen.com (180.101.49.12) 56(84) bytes of data.
64 bytes from 180.101.49.12: icmp_seq=1 ttl=52 time=17.8 ms
64 bytes from 180.101.49.12: icmp_seq=2 ttl=52 time=25.5 ms
64 bytes from 180.101.49.12: icmp_seq=3 ttl=52 time=15.9 ms
64 bytes from 180.101.49.12: icmp_seq=4 ttl=52 time=26.0 ms
64 bytes from 180.101.49.12: icmp_seq=5 ttl=52 time=15.6 ms
--- www.a.shifen.com ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4006ms
rtt min/avg/max/mdev = 15.641/20.195/26.008/4.633 ms
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