linux-kernel - Re: [PATCH AUTOSEL 6.0 16/77] wifi: mac80211: fix control port frame addressing

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Date:   Mon, 10 Oct 2022 09:03:52 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 6.0 16/77] wifi: mac80211: fix control port
 frame addressing

On Sun, 2022-10-09 at 18:06 -0400, Sasha Levin wrote:
> From: Johannes Berg <johannes.berg@...el.com>
> 
> [ Upstream commit a6ba64d0b187109dc252969c1fc9e2525868bd49 ]
> 
> For an AP interface, when userspace specifieds the link ID to
> transmit the control port frame on (in particular for the
> initial 4-way-HS), due to the logic in ieee80211_build_hdr()
> for a frame transmitted from/to an MLD

FWIW, I don't mind this being backported, but it doesn't make all that
much sense since the only driver "supporting" all this MLO/MLD/link_id
stuff upstream is hwsim, and it's not really finished anyway.

johannes