Re: USB wifi dongle can't work

On 01/28/18 04:42, KIRIYAMA Kazuhiko wrote:
> Hi,
> 
> I've tested a USB wifi dongle but can't work. It's usbconfig
> is as follows:
> 
> ugen0.2: <vendor 0x148f product 0x7601> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (160mA)
> 
>    bLength = 0x0012
>    bDescriptorType = 0x0001
>    bcdUSB = 0x0201
>    bDeviceClass = 0x0000  <Probed by interface class>
>    bDeviceSubClass = 0x0000
>    bDeviceProtocol = 0x0000
>    bMaxPacketSize0 = 0x0040
>    idVendor = 0x148f
>    idProduct = 0x7601
>    bcdDevice = 0x0000
>    iManufacturer = 0x0001  <MediaTek>
>    iProduct = 0x0002  <802.11 n WLAN>
>    iSerialNumber = 0x0003  <1.0>
>    bNumConfigurations = 0x0001
> 
> So I tried to work with it by adding vendor entry to usbdevs
> and if_run.c:
> 
> --- sys/dev/usb/usbdevs.org	2018-01-27 16:00:48.963304000 +0900
> +++ sys/dev/usb/usbdevs	2018-01-27 17:23:53.341085000 +0900
> _at__at_ -3845,6 +3845,7 _at__at_
>   product RALINK RT3573		0x3573	RT3573
>   product RALINK RT5370		0x5370	RT5370
>   product RALINK RT5572		0x5572	RT5572
> +product RALINK RT7601		0x7601	RT7601
>   product RALINK RT8070		0x8070	RT8070
>   product RALINK RT2570_3		0x9020	RT2500USB Wireless Adapter
>   product RALINK RT2573_2		0x9021	RT2501USB Wireless Adapter
> --- sys/dev/usb/wlan/if_run.c.org	2018-01-27 17:25:50.504335000 +0900
> +++ sys/dev/usb/wlan/if_run.c	2018-01-27 17:29:29.438094000 +0900
> _at__at_ -300,6 +300,7 _at__at_
>       RUN_DEV(RALINK,		RT3573),
>       RUN_DEV(RALINK,		RT5370),
>       RUN_DEV(RALINK,		RT5572),
> +    RUN_DEV(RALINK,		RT7601),
>       RUN_DEV(RALINK,		RT8070),
>       RUN_DEV(SAMSUNG,		WIS09ABGN),
>       RUN_DEV(SAMSUNG2,		RT2870_1),
> 
> and reconfigured kernel and set rc.conf:
> 
> hostname="t.pis"
> ifconfig_wlan0="DHCP mode 11n"
> wlans_run0="wlan0"
> saver="logo"
> sendmail_enable="NONE"
> sshd_enable="YES"
> usbd_enable="YES"
> ntpd_enable="YES"
> 
> then rebooted. But can't start as DHCP client:
> 
> admin_at_t:~ % ifconfig
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>          options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
>          inet6 ::1 prefixlen 128
>          inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
>          inet 127.0.0.1 netmask 0xff000000
>          nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>          groups: lo
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>          ether 00:0f:00:4a:7f:28
>          nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>          media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
>          status: no carrier
>          ssid "" channel 11 (2462 MHz 11g)
>          regdomain FCC country US authmode OPEN privacy OFF txpower 30 bmiss 7
>          scanvalid 60 protmode CTS wme bintval 0
>          groups: wlan
> admin_at_t:~ %
> 
> dmesg shows:
> 
> ugen0.2: <vendor 0x148f product 0x7601> at usbus0
> run0 on uhub0
> run0: <vendor 0x148f product 0x7601, class 0/0, rev 2.01/0.00, addr 1> on usbus0
> run0: MAC/BBP RT7601 (rev 0x0500), RF RT5592 (MIMO 1T1R), address 00:0f:00:4a:7f:28
> wlan0: Ethernet address: 00:0f:00:4a:7f:28
> ugen0.3: <SIPODEV USB Composite Device> at usbus0
> ukbd0 on uhub0
> ukbd0: <SIPODEV USB Composite Device, class 0/0, rev 1.10/1.05, addr 2> on usbus0
> kbd2 at ukbd0
> ugen0.4: <vendor 0x0b95 product 0x7720> at usbus0
> ugen0.5: <Alcor Micro, Corp. USB 2.0 Camera> at usbus0
> run0: timeout waiting for MCU to initialize
> run0: could not load 8051 microcode
> 
> This means there is not a driver for RT7601?
> 
> root_at_t:~ # uname -v
> FreeBSD 12.0-CURRENT #0: Sat Jan 27 17:58:35 JST 2018     admin_at_lmainkx:/usr/obj/usr/src/amd64.amd64/sys/RT7601
> root_at_t:~ #
> 
> and OS revision is r328126.
> Is there any idea?
> 

Hi,

Try to search the Linux kernel code for idProduct and idVendor values in 
hexadecimal. You can't just add driver like that and it will work :-)

--HPS