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Re: Broken fragmentation

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On Wed, Jun 25, 2008 at 1:02 PM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:
> On Wed, 2008-06-25 at 12:50 +0300, Tomas Winkler wrote:
>> On Fri, Jun 20, 2008 at 12:25 AM, Johannes Berg
>> <johannes@xxxxxxxxxxxxxxxx> wrote:
>> >
>> >> >> Fragments are in the air but the peer is not able to reassemble them.
>> >> >> Something is wrong with the first fragment but I'm not sure yet.
>> >> >
>> >> > Hm, ok. got a packet capture? Maybe that was broken before, I remember
>> >> > having problems with fragmentation but putting it down to the
>> >> > known-to-be-completely-broken AP I was using.
>> >>
>> >> It is working the latest problem was caused by the driver, Yet i still
>> >> don't understand the regression
>> >> in the driver.
>> >
>> > Hmm, ok.
>> >
>> So the bug is still in mac80211. Fragments are scheduled to different
>> TIDs and hence to different queues.
>> Investigating further. If you have something in mind let me know
>
> Hmm, yes, I do indeed, try
>
> skb_copy_queue_mapping(frag, first);
>
> where you previously added the cb copy.
Yeah just found that too 2 min ago :)
Thanks
Tomas
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