Re: fq_codel with 802.15.4 6LoWPAN fragmentation issue

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On Fri, 2015-01-16 at 05:00 -0800, Eric Dumazet wrote:
> On Fri, 2015-01-16 at 04:57 -0800, Eric Dumazet wrote:
> >  example :
> > 
> 
> Sorry, one keyword was missing :
> 
> tc qdisc replace dev lowpan0 root fq_codel interval XXX
> 

But the parameter that you probably want to change is not the interval.
It is probably the target :

tc qdisc replace dev lowpan0 root fq_codel interval 200ms target 25ms

Now, if the fragmentation was done after qdisc dequeue, as in GSO layer,
you would not have this issue : all segments of one ipv6 message would
be transmitted, no matter what.


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