Android系统通过手机USB进行网络共享设置

设备：主机android版本 4.2.2

手机 华为 8.0

1.手机通过USB连接主机

2.点开手机设置，点击USB共享网络

3.串口连接主机，命令行输入 netcfg 

root@xxxx:/ # netcfg                                                         
lo       UP                                   127.0.0.1/8   0x00000049 00:00:00:00:00:00
tunl0    DOWN                                   0.0.0.0/0   0x00000080 00:00:00:00:00:00
sit0     DOWN                                   0.0.0.0/0   0x00000080 00:00:00:00:00:00
ip6tnl0  DOWN                                   0.0.0.0/0   0x00000080 00:00:00:00:00:00
wlan0    UP                                     0.0.0.0/0   0x00001003 f4:15:fd:17:50:13
wlan1    DOWN                                   0.0.0.0/0   0x00001002 f6:15:fd:17:50:13
usb0     DOWN                                   0.0.0.0/0   0x00001002 02:70:55:47:3b:31

 出现usb0网卡，设置usb0 up并让手机主动分配ip

root@xxxx:/ # netcfg usb0 dhcp                                               
root@xxxx:/ # netcfg                                                         
lo       UP                                   127.0.0.1/8   0x00000049 00:00:00:00:00:00
tunl0    DOWN                                   0.0.0.0/0   0x00000080 00:00:00:00:00:00
sit0     DOWN                                   0.0.0.0/0   0x00000080 00:00:00:00:00:00
ip6tnl0  DOWN                                   0.0.0.0/0   0x00000080 00:00:00:00:00:00
wlan0    UP                                     0.0.0.0/0   0x00001003 f4:15:fd:17:50:13
wlan1    DOWN                                   0.0.0.0/0   0x00001002 f6:15:fd:17:50:13
usb0     UP                              192.168.42.109/24  0x00001043 02:70:55:47:3b:31

此时通过ifconfig即可看到添加成功，并且可以ping通baidu 了

root@xxxx:/ # busybox ifconfig                                               
lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:7709 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7709 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:708427 (691.8 KiB)  TX bytes:708427 (691.8 KiB)

usb0      Link encap:Ethernet  HWaddr 02:70:55:47:3B:31  
          inet addr:192.168.42.109  Bcast:192.168.42.255  Mask:255.255.255.0
          inet6 addr: fe80::70:55ff:fe47:3b31/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:19 errors:0 dropped:0 overruns:0 frame:0
          TX packets:72 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:2896 (2.8 KiB)  TX bytes:13191 (12.8 KiB)

wlan0     Link encap:Ethernet  HWaddr F4:15:FD:17:50:13  
          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)


root@xxxx:/ # ping www.baidu.com
PING www.a.shifen.com (61.135.169.121) 56(84) bytes of data.
64 bytes from 61.135.169.121: icmp_seq=1 ttl=52 time=35.9 ms
64 bytes from 61.135.169.121: icmp_seq=2 ttl=52 time=30.0 ms
64 bytes from 61.135.169.121: icmp_seq=3 ttl=52 time=39.4 ms
64 bytes from 61.135.169.121: icmp_seq=4 ttl=52 time=30.4 ms