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SubjectRe: [PATCH 1/2] wifi: cfg80211: Add beacon hint notifier support
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On 1/18/2023 10:00 PM, Johannes Berg wrote:
>> +++ b/include/net/cfg80211.h
>> @@ -5386,6 +5386,8 @@ struct wiphy {
>> void (*reg_notifier)(struct wiphy *wiphy,
>> struct regulatory_request *request);
>>
>> + void (*beacon_hint_notifier)(struct wiphy *wiphy);
>
> missing documentation, for sure
I will add the missed documentation in next version of patch.
> Also this should probably be in the ops, rather than here? Not sure why
> reg_notifier is here.
I followed reg_notifier implementation.
>> - if (channel_changed)
>> + if (channel_changed) {
>> nl80211_send_beacon_hint_event(wiphy, &chan_before, chan);
>> + if (wiphy->beacon_hint_notifier)
>> + wiphy->beacon_hint_notifier(wiphy);
>> + }
> This also seems excessive if you're not even passing the channel - you
> call it for every (affected) channel, but you don't tell it anything
> about the channel? Seems strange.
I will address this in next version of patch.
>
>
> However ...
>
> Why is this even needed? You should always get reg_notifier after this
> anyway?
>
> johannes

Currently when channel flag changed through the beacon hints are not
informed to driver.

reg_notifier will be triggered for regdomain changes but not for channel flag changes due to beacon hints.

Regards,
Youghandhar

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