[Cake] https://tools.ietf.org/html/draft-ietf-tsvwg-le-phb-06 is in last call

Kevin Darbyshire-Bryant kevin at darbyshire-bryant.me.uk
Wed Aug 21 12:38:36 EDT 2019


Maybe attached patch is more comprehensive?

KDB

> On 21 Aug 2019, at 16:07, Dave Taht <dave.taht at gmail.com> wrote:
> 
> Just ressurrecting this old thread for review now that this is an
> official RFC. I note also that the NQB diffserv codepoint is entering
> last call also.
> 
> https://tools.ietf.org/html/draft-white-tsvwg-nqb-02
> 
> On Sun, Feb 3, 2019 at 10:39 AM Dave Taht <dave.taht at gmail.com> wrote:
>> 
>> And seems likely to be adopted.
>> 
>> There seems to be an urge to make this codepoint starvable, which
>> since I ascribe to nagle's dictum "every application has a right to
>> one packet in the network" - doesn't work for me - but the draft is
>> vaguely worded enough to just start dumping this codepoint into the
>> background queue of both sqm and cake and worry about it in a decade
>> or three.
>> 
>> it's 000001 which I guess is:
>> 
>> diff --git a/sch_cake.c b/sch_cake.c
>> index 3a26db0..67263b3 100644
>> --- a/sch_cake.c
>> +++ b/sch_cake.c
>> @@ -343,7 +343,7 @@ static const u8 diffserv4[] = {
>> };
>> 
>> static const u8 diffserv3[] = {
>> -       0, 0, 0, 0, 2, 0, 0, 0,
>> +       0, 1, 0, 0, 2, 0, 0, 0,
>>        1, 0, 0, 0, 0, 0, 0, 0,
>>        0, 0, 0, 0, 0, 0, 0, 0,
>>        0, 0, 0, 0, 0, 0, 0, 0,
>> 
>> (or is that reversed? my big endian/little endian chops scuks, and
>> nobody modified the gen_cake_const tool to match what cake expects
>> now)
>> 
>> on my off days I kind of wish the diffserv lookup we do in cake had
>> managed to make it into the linux mqprio/prio stuff by default.
>> 
>> --
>> 
>> Dave Täht
>> CTO, TekLibre, LLC
>> http://www.teklibre.com
>> Tel: 1-831-205-9740
> 
> 
> 
> --
> 
> Dave Täht
> CTO, TekLibre, LLC
> http://www.teklibre.com
> Tel: 1-831-205-9740
> _______________________________________________
> Cake mailing list
> Cake at lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/cake


Cheers,

Kevin D-B

gpg: 012C ACB2 28C6 C53E 9775  9123 B3A2 389B 9DE2 334A
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