netdev - Re: [next-queue PATCH v6 3/5] net/sched: Introduce Credit Based Shaper (CBS) qdisc

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Date:   Thu, 12 Oct 2017 10:50:07 -0700
From:   Vinicius Costa Gomes <vinicius.gomes@...el.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     netdev@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
        jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        andre.guedes@...el.com, ivan.briano@...el.com,
        jesus.sanchez-palencia@...el.com, boon.leong.ong@...el.com,
        richardcochran@...il.com, henrik@...tad.us, levipearson@...il.com,
        rodney.cummings@...com
Subject: Re: [next-queue PATCH v6 3/5] net/sched: Introduce Credit Based Shaper (CBS) qdisc

Hi,

Eric Dumazet <eric.dumazet@...il.com> writes:

> On Wed, 2017-10-11 at 17:54 -0700, Vinicius Costa Gomes wrote:
>> This queueing discipline implements the shaper algorithm defined by
>> the 802.1Q-2014 Section 8.6.8.2 and detailed in Annex L.
>
> ...
>
>> +static s64 delay_from_credits(s64 credits, s32 slope)
>> +{
>> +	s64 rate = slope * BYTES_PER_KBIT;
>> +
>> +	if (unlikely(rate == 0))
>> +		return S64_MAX;
>> +
>> +	return ((-credits * NSEC_PER_SEC) / rate);
>> +}
>
> Have you tried to compile this on 32bit arch ?
>
> make ARCH=i386

Will be fixed on v7.


Cheers,
--
Vinicius