Hi,

What was broken was private/device specific IOCTL calls implemented by this 
driver. The standard IOCTL calls worked and the driver worked as it was in 
client mode.

But in AP mode with hostapd (https://w1.fi/hostapd/) the rtl871xdrv driver of 
hostapd (which is required for using devices that use this driver in AP mode) 
invokes private/device specific IOCTL calls and in the existing driver they 
could only be invoked through the ndo_do_ioctl interface of the driver. Support 
for which was removed in the mentioned commit by Johannes Berg. Hence the 
driver stopped working in AP mode with hostapd using rtl871xdrv driver.

The solution was to implement equivalent versions of the existing 
private/device specific IOCTLs which will be invoked by the iw_handler_def 
interface.


Cheers,
Ishraq


On 11/25/2017 05:40 AM, Dan Carpenter wrote:
> I added Johannes to the CC list again because this is sort of his
> fault...  To be honest, I'm a little bit puzzled.  I would have thought
> Johannes's change would have made some code unused and that we could
> delete it now.  I haven't looked at this.
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