On 03/11/15 00:15, Jonas Gorski wrote:
On Wed, Mar 11, 2015 at 12:08 AM, Pat Erley<pat-lkml@xxxxxxxxx> wrote:
On 03/10/2015 04:42 PM, Huseyin wrote:
Hello everyone,
I want to develop a driver for my usb wireless adapter. The device name is
AirTies Air 2410, codes are 0x1eda 0x2410. The company’s other usb wireless
adapters (for example, AirTies Air 2310, 0x1eda 0x2310) were using ralink
rt2800 driver, but this one doesn’t work with it.
I opened up the device’s case, I could only find out that the board was
plotech e169497, 6 94v-0. I googled but these seem to be too vague and I
cannot go any further with it. I couldn’t find any other text on the board.
I also contacted the company (AirTies) but they didn’t bother to reply.
They provide drivers for windows only.
What should be the next step? Reverse-engineering the windows driver (I
have no expertise on the subject, and little expertise on windows
altogether) or trying to write a new driver using ralink or any other
existing driver code? Is it a good idea to guess that the driver I’m going
to develop will be similar to rt2800? This way I can make rt2800 recognize
my device and try to find out what goes wrong (which, seems to me, would be
meaningless if device is using a chipset not related to ralink), and change
those parts.
I asked a little about the subject in the #kernelnewbies channel, people
redirected me to this mail list.
When I make rt2800 driver recognize my device, this is what I get:
ieee80211 phy0: rt2x00usb_vendor_request: Error - Vendor Request 0x07
failed for offset 0x1000 with error -110
ieee80211 phy0: rt2800_probe_rt: Error - Invalid RT chipset 0xffff, rev
8800 detected
ieee80211 phy0: rt2x00lib_probe_dev: Error - Failed to allocate device
usbcore: registered new interface driver rt2800usb
Based on their driver, it's a broadcom chip in there:
inflating:
AirTiesWirelessUSBAdapterSetup_1.0.1.0/Drivers/Air2410-Air2411/VistaDriver/bcmh43xx.cat
inflating:
AirTiesWirelessUSBAdapterSetup_1.0.1.0/Drivers/Air2410-Air2411/VistaDriver/bcmihvsrv.dll
inflating:
AirTiesWirelessUSBAdapterSetup_1.0.1.0/Drivers/Air2410-Air2411/VistaDriver/bcmihvui.dll
inflating:
AirTiesWirelessUSBAdapterSetup_1.0.1.0/Drivers/Air2410-Air2411/VistaDriver/bcmwlcoi.dll
inflating:
AirTiesWirelessUSBAdapterSetup_1.0.1.0/Drivers/Air2410-Air2411/VistaDriver/bcmwlhigh6.inf
inflating:
AirTiesWirelessUSBAdapterSetup_1.0.1.0/Drivers/Air2410-Air2411/VistaDriver/bcmwlhigh6.sys
inflating:
AirTiesWirelessUSBAdapterSetup_1.0.1.0/Drivers/Air2410-Air2411/VistaDriver/WdfCoInstaller01005.dll
I don't know what the status of broadcom and usb drivers is though.
According to wikidevi[1], it uses BCM4323, which is SSB based, quite
old, and will never be supported by brcmfmac, and probably never by
b43 (one would need to reverse engineer the usb protocol used by
broadcom).
and this device uses a different driver model (bmac) which is not
supported by brcmfmac nor brcmsmac. You can tell because it says
"bcmwlhigh6.sys".
Regards,
Arend
Jonas
[1] https://wikidevi.com/wiki/AirTies_Air_2410
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