[RFC v2] mt76: mt7615: mt7622: fix ibss and meshpoint

[Kalle Valo]

Nick Hainke <vincent at systemli.org> writes:

> Fixes: d8d59f66d136 ("mt76: mt7615: support 16 interfaces").

The fixes tag should be in the end, before Signed-off-by tags. But I can
fix that during commit.

> commit 7f4b7920318b ("mt76: mt7615: add ibss support") introduced IBSS
> and commit f4ec7fdf7f83 ("mt76: mt7615: enable support for mesh")
> meshpoint support.
>
> Both used in the "get_omac_idx"-function:
>
> 	if (~mask & BIT(HW_BSSID_0))
> 		return HW_BSSID_0;
>
> With commit d8d59f66d136 ("mt76: mt7615: support 16 interfaces") the
> ibss and meshpoint mode should "prefer hw bssid slot 1-3". However,
> with that change the ibss or meshpoint mode will not send any beacon on
> the mt7622 wifi anymore. Devices were still able to exchange data but
> only if a bssid already existed. Two mt7622 devices will never be able
> to communicate.
>
> This commits reverts the preferation of slot 1-3 for ibss and
> meshpoint. Only NL80211_IFTYPE_STATION will still prefer slot 1-3.
>
> Tested on Banana Pi R64.
>
> Signed-off-by: Nick Hainke <vincent at systemli.org>

Felix, can I take this to wireless-drivers? Ack?

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