[Cake] tp-link archer c7 & cake & mac80211 fq_codel
dave.taht at gmail.com
Wed May 11 18:39:53 EDT 2016
On Wed, May 11, 2016 at 3:15 PM, Kevin Darbyshire-Bryant
<kevin at darbyshire-bryant.me.uk> wrote:
> Forgot to mention - in slightly better news, the recent fq_codel
> flows_cnt = 128 recommendation from Eric has made it up into John
I still kind of disagree with the reasoning on cutting the default to
128 queues, btw, but I felt it was worth testing.
IMHO in most circumstances having more queues will make you more
resilient to simple dumb floods as well as more complex ones, and give
better latency overall for all flows... But, lacking data on lower end
platforms, and being only willing to argue with y'all - (especially
eric), with it...
... is sort of why you find me (successfully) installing lede today on
the archer c7 v2.
I certainly agree strongly with the bulk drop portion of the patch. I
never liked scanning all the queues for every drop... I just couldn't
force myself to come up with something as drastic as eric did.
I sure wish cake, tc-adv, and the current sqm were up in lede...
> Crispin's lede staging tree, so I hope that'll appear in master soon.
> The fq_codel 'batch drop' has sort of made it back to lede 4.4...well
> there's 2 patches, one is a backport which also includes the api update
> to support "update backlog for hierarchical qdiscs" as well as the batch
> drop (not done by me), there's a version which I did which just
> backports the batch drop.
> The batch drop alone to 4.1 is beyond me.
> I'm slowly coming around to the opinion that the 'batch drop alone'
> patch is what should temporarily go into lede/openwrt until an official
> backport is done. I'm not totally convinced about backporting the API
> On 11/05/16 22:53, Dave Taht wrote:
>> looks like it can be easily flashed once again as 49217...
>> but Arokh's comprehensive build (which includes sch_cake):
>> is a bit out of date...
>> so I guess I should try lede for the first time via
>> and try cross compiling sch_cake for it.
>> ... and if I feel really, really, really, really ambitious, try
>> backporting one of michals lovely patchsets to 4.4.
>> But I don't feel that ambitious. It *will* be good to blow the dust
>> off of the tp-link that made me go to Washington...
>> here goes...
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