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From:   Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com>
To:     Ming Chen <ming032217@gmail.com>,
        Johannes Berg <johannes@sipsolutions.net>
Cc:     linux-wireless@vger.kernel.org,
        Ming Chen <ming.chen@watchguard.com>
Subject: Re: [PATCH v3] mac80211: Drop the packets whose source or destination mac address is empty
In-Reply-To: <20191115075942.120943-1-ming.chen@watchguard.com>
References: <20191115075942.120943-1-ming.chen@watchguard.com>
Date:   Fri, 15 Nov 2019 12:07:44 +0100
Message-ID: <87sgmpmm7z.fsf@toke.dk>
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Ming Chen <ming032217@gmail.com> writes:

> We occasionally found ath9k could receive some packets from Linux IP stac=
k
> with empty source and destination mac address,

How does that happen?

> which will result in the driver cannot find the station node in TX
> complete. And thus, the driver will complete this buffer but without
> updating the block ack window.

If it can't find the station, how is the packet transmitted (and
affecting the BA window) in the first place?

-Toke