嵌入式linux下MF825C上网
中兴MF825C电信版
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插上usb网卡后
#lsusb
19d2:1225 (bus 1, device 3)
0000:0000 (bus 1, device 1)
网卡会自动模式转换
#lsusb
19d2:1405 (bus 1, device 3)
0000:0000 (bus 1, device 1)
在内核上选择支持它的驱动模块
确保这三个模块都有rndis_host.ko,cdc_ether.ko,usbnet.ko然后添加驱动
#modprobe rndis_host
会根据依赖关系挂载相应的模块
rndis_host 6048 0
cdc_ether 4992 1 rndis_host
usbnet 14160 2 rndis_host,cdc_ether
#ifconfig -a
usb0 Link encap:Ethernet HWaddr 36:4B:50:B7:EF:61
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4923 errors:0 dropped:0 overruns:0 frame:0
TX packets:6229 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1287334 (1.2 MiB) TX bytes:1315840 (1.2 MiB)
如果驱动没问题就会看到usb0的虚拟网卡
#ifconfig usb0 up
#udhcpc -i usb0 -s /sbin/udhcpc.sh -p /var/run/udhcpc.pid
udhcpc (v1.12.1) started
Sending select for 192.168.0.133...
Lease of 192.168.0.133 obtained, lease time 86400
deleting routers
route: ioctl 0x890c failed: No such process
adding DNS 192.168.0.1
igmpproxy, Version 0.1 beta2, Build 160601
Copyright 2005 by Johnny Egeland
#ifconfig usb0
usb0 Link encap:Ethernet HWaddr 36:4B:50:B7:EF:61
inet addr:192.168.0.133 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:24 errors:0 dropped:0 overruns:0 frame:0
TX packets:27 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4726 (4.6 KiB) TX bytes:5766 (5.6 KiB)
#ping www.baidu.com
PING www.baidu.com (220.181.112.244): 56 data bytes
64 bytes from 220.181.112.244: seq=0 ttl=52 time=57.345 ms
64 bytes from 220.181.112.244: seq=1 ttl=52 time=53.074 ms
64 bytes from 220.181.112.244: seq=2 ttl=52 time=49.176 ms
到此OK。
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