On 20 February 2018 at 22:17, JD <jd1008@gmail.com> wrote:
Tried to bring up a mediateck usb wifi stick with a built-in antenna.

$ dmesg | grep 'usb 1-1'
[ 3632.100121] usb 1-1: new high-speed USB device number 13 using xhci_hcd
[ 3633.314114] usb 1-1: new high-speed USB device number 14 using xhci_hcd
[ 3633.446949] usb 1-1: New USB device found, idVendor=0e8d, idProduct=7610
[ 3633.446954] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3633.446956] usb 1-1: Product: WiFi
[ 3633.446958] usb 1-1: Manufacturer: MediaTek
[ 3633.446960] usb 1-1: SerialNumber: 1.0

$ lsmod | grep 2800
rt2800usb              27189  0
rt2x00usb              19835  1 rt2800usb
rt2800lib              91269  1 rt2800usb
rt2x00lib              66983  3 rt2x00usb,rt2800lib,rt2800usb
crc_ccitt              12613  1 rt2800lib
mac80211              683564  4 rt2x00lib,rt2x00usb,rt2800lib,iwldvm

and
$ lshw
shows this:
.....
                   configuration: driver=hub slots=2 speed=5000Mbit/s
              *-usbhost:1
                   product: xHCI Host Controller
                   vendor: Linux 3.19.8-100.fc20.x86_64 xhci-hcd
                   physical id: 1
                   bus info: usb@1
                   logical name: usb1
                   version: 3.19
                   capabilities: usb-2.00
                   configuration: driver=hub slots=2 speed=480Mbit/s
                 *-usb UNCLAIMED   <<<<<< Notice This..... No driver??? claimed it????
                      description: Generic USB device
                      product: WiFi
                      vendor: MediaTek
                      physical id: 1
                      bus info: usb@1:1
                      version: 1.00
                      serial: 1.0
                      capabilities: usb-2.01
                      configuration: maxpower=160mA speed=480Mbit/s

But, ifconfig only shows only these interfaces:
$ ifconfig
bond0: flags=5123<UP,BROADCAST,MASTER,MULTICAST>  mtu 1500

em1: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536

virbr0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500

So, what is missing as far as drivers, or apps ????
~
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There seem to be lots of "MediaTeK 7610" dongles with various chips inside.  You could try
adding your USB id to the list of devices supported by the rt2800usb module:

https://forums.fedoraforum.org/showthread.php?309580-Mediatek-MT7610-Ralink-RT2870

If this fails you might at least get the details for your chipset.

There is also: https://github.com/ulli-kroll/mt7610u/

--
George N. White III