netdev - Re: [PATCH net-next V2 0/3] Add max rate TXQ attribute

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Message-ID: <CAJ3xEMhg_CsCGA5_GkqTb0e=d=sSMJdbQG0gM8CoWvGP8PPGVw@mail.gmail.com>
Date:	Sun, 15 Mar 2015 23:10:25 +0200
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	Tom Herbert <tom@...bertland.com>
Cc:	Or Gerlitz <ogerlitz@...lanox.com>,
	"David S. Miller" <davem@...emloft.net>,
	John Fastabend <john.r.fastabend@...el.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Amir Vadai <amirv@...lanox.com>, Ido Shamay <idos@...lanox.com>
Subject: Re: [PATCH net-next V2 0/3] Add max rate TXQ attribute

On Sun, Mar 15, 2015 at 7:08 PM, Tom Herbert <tom@...bertland.com> wrote:
> On Sun, Mar 15, 2015 at 6:03 AM, Or Gerlitz <ogerlitz@...lanox.com> wrote:
>> Add the ability to set a max-rate limitation for TX queues.
>> The attribute name is maxrate and the units are Mbs, to make
>> it similar to the existing max-rate limitation knobs (ETS and
>> SRIOV ndo calls).

> Guaranteed rate is often defined in conjunction with maximum rate. It
> might be nice to add a parameter for that to the ndo function in
> anticipation of someone supporting that also.

I see -- so do we really want both from day one...? if this is the
case, I can add that to the ndo with the value of 0 means no limit for
maxrate and no guarantee for minrate

Or.
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