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Re: mac80211: A-MPDU reordering issue when RX_FLAG_AMSDU_MORE

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On 21 July 2014 11:47, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
> On Wed, 2014-07-09 at 10:16 +0200, Janusz Dziedzic wrote:
>> Hello Johannes,
>>
>> Seems current mac80211 A-MPDU reordering implementation don't work
>> correctly with drivers that prefer to report separate A-MSDU subframes
>> instead of one huge frame (using RX_FLAG_AMSDU_MORE). Seems there is a
>> table where index is a sequence number (ampdu sn), so don't work
>> correctly while we report few A-MSDU frames with the same SN.
>>
>> We see this problem with ath10k driver. As I understand correctly, we
>> will have to change/rewrite mac80211 reordering code to support
>> correctly A-MSDU packets with RX_FLAG_AMSDU_MORE?
>>
>> Or
>>
[...]
>> What do you think?
>
> Looks like Michal did the former in the meantime? I was moving so was
> out for a while ...

Correct. I've posted `mac80211: fix Rx reordering with
RX_FLAG_AMSDU_MORE` which makes rx reordering work with sk_buff_head
instead of sk_buff *.


Michał
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