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Re: [PATCH 3/5] wilc1000: fix crash observed in AP mode with cfg80211_register_netdevice()

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On 10/05/22 01:14, Johannes Berg wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> On Mon, 2022-05-09 at 13:49 +0000, Ajay.Kathat@xxxxxxxxxxxxx wrote:
>> As I understand, in WILC "ieee80211_ptr" is used for the station/AP
>> interface but not to configure the monitor interface which gets
>> additionally added in AP mode. In AP mode, for an interface( wlan0 ), an
>> additional monitor interface( mon.wlan0 ) gets created. A netdevice is
>> register for monitor interface(mon.wlan0) to transmit/receive frames
>> from/to hostapd. That interface doesn't explicitly set up
>> 'ieee80211_ptr' because the original interface(wlan0) uses it, so using
>> "cfg80211_register/unregister" API's for mon.wlan0 interfaces fails.
> Btw, this probably should just be removed in favour of using the nl80211
> based APIs for hostapd ...
>
> But I think as a quick bugfix goes this is fine, but it'd be better to
> remove this and either allow hostapd to create the interface with the
> proper ieee80211_ptr, or to just use the nl80211-based TX/RX.


Thanks Johannes. Yes, this patch would help to make the AP mode work.
I will check on using nl80211 based APIs for hostapd but might take some 
time to change.

Regards,
Ajay





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