netdev - Re: [PATCH V1 4/6] net/mlx4_en: Set max rate-limit for a TC

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Message-ID: <1332324776.25742.14.camel@edumazet-laptop>
Date:	Wed, 21 Mar 2012 03:12:56 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Amir Vadai <amirv@...lanox.com>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Roland Dreier <roland@...estorage.com>,
	Oren Duer <oren@...lanox.com>,
	Amir Vadai <amirv@...lanox.co.il>
Subject: Re: [PATCH V1 4/6] net/mlx4_en: Set max rate-limit for a TC

Le mercredi 21 mars 2012 à 11:25 +0200, Amir Vadai a écrit :
> From: Amir Vadai <amirv@...lanox.co.il>
> 
> Set max rate-limit using sysfs file /sys/class/net/<interface>/qos/ratelimit
> 
> To set, enter a space separated list of values in units of 100Mbps.  For
> example to set ratelimit of 5G to TC0 and 10G for the reset on eth2 issue:
> echo 50 100 100 100 100 100 100 100 100 > /sys/class/net/eth2/qos/ratelimit
> 

Oh thats not very user friendly.

I suggest one value per file (Its probably a generic /sys rule anyway)
and not using 100Mps for the unit, even if it is the base granularity of
this hardware.


/sys/class/net/eth2/qos/0/ratelimit
...
/sys/class/net/eth2/qos/7/ratelimit


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