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Re: [PATCH v4 2/2] mac80211: Add FILS discovery support

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On Thu, 2020-07-30 at 15:08 -0700, Aloka Dixit wrote:

> Min and max intervals are used to decide if a FILS discovery frame 
> should be sent at all when respective timers expires.
> Depending on how close that time is to the next beacons, the device may 
> just send the beacon instead.

Right, OK.

> In lower bands, for non-offloaded case, FW will send events asking for 
> the frame until it gets one.

Aha.

> Whether that should go all the way to hostapd or should the driver 
> itself handle it remains to be seen.

I don't see why it should go up - the driver can have the template and
answer that? I mean, we already push the template down.

> My current focus is only 6GHz, but didn't want to restrict kernel 
> implementation so moved 6GHz related checks to the driver instead.

It might still make sense to have a bitmap of where FILS discovery is
supported, if it's different for different bands?

Unless of course you think that a given device will always support FILS
discovery on all bands, you just haven't implemented it yet for all
bands - but will complete it before really enabling it in the driver?

> All in all, making the template mandatory will be safer so that the 
> driver will always have one if required.

Agree.

Thanks!

johannes




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