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Re: compat-wireless high packet loss.

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On Mon, Jun 30, 2008 at 4:29 AM, Tomas Winkler <tomasw@xxxxxxxxx> wrote:
> On Mon, Jun 30, 2008 at 2:09 PM, Johannes Berg
> <johannes@xxxxxxxxxxxxxxxx> wrote:
>> On Sun, 2008-06-29 at 09:23 +0300, Guy Cohen wrote:
>>> More info on the issue.. The problem is with TX of unrestrained UDP
>>> stream, when the traffic generated at the application layer is larger
>>> than the link can pass. With kernel 2.6.26-* the traffic is restrained
>>> when the TX FIFOs gets full while in 2.6.25.* frames are dropped at
>>> some layer. It seems that the drop happens after the IP fragmentation
>>> step at the stack.
>>
>> does compat use multiqueue now? if not, look in the mac80211 fake mq
>> code.
>
> 2.6.25 has a real mq

We only use fake mq support for kernels <= 2.6.22 as 2.6.23 added
support for MQ. Also if your 2.6.23 doesn't have MQ it will warn you.

  Luis
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