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resources:tools-software:linuxdsp:docs:linux-kernel-and-drivers:usb:device_mode:gdaget_eth [15 Jul 2020 08:54] – [Example Usage] sullivan liuresources:tools-software:linuxdsp:docs:linux-kernel-and-drivers:usb:device_mode:gdaget_eth [27 Jul 2020 08:05] – [Software Configuration] cathy fang
Line 1: Line 1:
 ====== USB Gadget Ethernet ====== ====== USB Gadget Ethernet ======
-Gadget Ethernet allows [[https://en.wikipedia.org/wiki/Ethernet_over_USB|Ethernet emulation over USB]], allowing the reading/writing at higher speeds than most Wifi connections. This page provides a approach how to use the USB Gadget Ethernet Feature on ADSP-SC5XX board and give a brief Example usage:+Gadget Ethernet allows [[https://en.wikipedia.org/wiki/Ethernet_over_USB|Ethernet emulation over USB]], allowing the reading/writing at higher speeds than most Wifi connections. This page provides a approach how to use the USB Gadget Ethernet Feature on ADSP-SC5xx board and give a brief Example usage:
  
 ---- ----
Line 42: Line 42:
      [*]       RNDIS support      [*]       RNDIS support
 </code> </code>
-<WRAP center round todo 100%> +
-ifconfig and some commands depend on the ethnert feature +
-</WRAP>+
  
 ---- ----
Line 93: Line 91:
 With following command you should be able to see the USB Ethernet device is there on your HOST: With following command you should be able to see the USB Ethernet device is there on your HOST:
 <code c++> <code c++>
-# sudo su +test@madara:~# sudo su 
-test@madara:~# lsusb+root@madara:~# lsusb
 Bus 002 Device 040: ID 0525:a4a2 Netchip Technology, Inc. Linux-USB Ethernet/RNDIS Gadge Bus 002 Device 040: ID 0525:a4a2 Netchip Technology, Inc. Linux-USB Ethernet/RNDIS Gadge
-test@madara:~# dmesg+root@madara:~# dmesg
 [84172.819820] usb 2-1.4: new high-speed USB device number 41 using ehci-pci [84172.819820] usb 2-1.4: new high-speed USB device number 41 using ehci-pci
 [84172.929056] usb 2-1.4: New USB device found, idVendor=0525, idProduct=a4a2 [84172.929056] usb 2-1.4: New USB device found, idVendor=0525, idProduct=a4a2
Line 105: Line 103:
 [84172.940300] cdc_ether 2-1.4:1.0 eth2: register 'cdc_ether' at usb-0000:00:1d.0-1.4, CDC Ethernet Device, 00:dc:c8:f7:75:05 [84172.940300] cdc_ether 2-1.4:1.0 eth2: register 'cdc_ether' at usb-0000:00:1d.0-1.4, CDC Ethernet Device, 00:dc:c8:f7:75:05
 </code> </code>
-so the "eth2" is the target USB Ethernet Device.+ 
 <code c++> <code c++>
-test@madara:~# ifconfig eth2 up +test@madara:~# ifconfig 
-test@madara:~# ifconfig eth2 192.168.1.56 +enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500 
-$ ifconfig +        inet 10.99.24.131  netmask 255.255.255.0  broadcast 10.99.24.255 
-eth2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500 +        inet6 fe80::939d:a9eb:5e47:8d9e  prefixlen 64  scopeid 0x20<link> 
-        inet 192.168.1.56  netmask 255.255.255.0  broadcast 192.168.1.255 +        ether f4:8e:38:a2:b4:a2  txqueuelen 1000  (Ethernet) 
-        inet6 fe80::2dc:c8ff:fef7:7505  prefixlen 64  scopeid 0x20<link>+        RX packets 1927975  bytes 1412135935 (1.4 GB) 
 +        RX errors 0  dropped 0  overruns 0  frame 0 
 +        TX packets 1836232  bytes 1655848202 (1.6 GB) 
 +        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0 
 + 
 +enx00dcc8f77505: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500 
 +        inet6 fe80::5e85:dcad:f5f7:1bfc  prefixlen 64  scopeid 0x20<link>
         ether 00:dc:c8:f7:75:05  txqueuelen 1000  (Ethernet)         ether 00:dc:c8:f7:75:05  txqueuelen 1000  (Ethernet)
-        RX packets 1  bytes 96 (96.0 B)+        RX packets 37  bytes 6943 (6.9 KB)
         RX errors 0  dropped 0  overruns 0  frame 0         RX errors 0  dropped 0  overruns 0  frame 0
-        TX packets 81  bytes 9574 (9.5 KB)+        TX packets 37  bytes 7288 (7.2 KB)
         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 +
 +lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
 +        inet 127.0.0.1  netmask 255.0.0.0
 +        inet6 ::1  prefixlen 128  scopeid 0x10<host>
 +        loop  txqueuelen 1000  (Local Loopback)
 +        RX packets 11377  bytes 1017513 (1.0 MB)
 +        RX errors 0  dropped 0  overruns 0  frame 0
 +        TX packets 11377  bytes 1017513 (1.0 MB)
 +        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 +</code>
 +
 +Thought compared the commands output of dmesg and ifconfig, we can see the ether address of enx00dcc8f77505   is same with  CDC Ethernet Device. So the "**enx00dcc8f77505**" is the target USB Ethernet Device.
 +<code c++>
 +test@madara:~# ifconfig enx00dcc8f77505 up
 +test@madara:~# ifconfig enx00dcc8f77505 192.168.1.67
 +
 +enx00dcc8f77505: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
 +        inet 192.168.1.67  netmask 255.255.255.0  broadcast 192.168.1.255
 +        inet6 fe80::5e85:dcad:f5f7:1bfc  prefixlen 64  scopeid 0x20<link>
 +        ether 00:dc:c8:f7:75:05  txqueuelen 1000  (Ethernet)
 +        RX packets 40  bytes 7373 (7.3 KB)
 +        RX errors 0  dropped 0  overruns 0  frame 0
 +        TX packets 86  bytes 18058 (18.0 KB)
 +        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 +</code>
 ---- ----
 Ping the target board: Ping the target board:
resources/tools-software/linuxdsp/docs/linux-kernel-and-drivers/usb/device_mode/gdaget_eth.txt · Last modified: 27 Jan 2021 22:35 by Robin Getz

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