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From: Amir Vadai <amirv@mellanox.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>, <netdev@vger.kernel.org>,
	Roland Dreier <roland@purestorage.com>,
	Oren Duer <oren@mellanox.com>, Amir Vadai <amirv@mellanox.co.il>
Subject: Re: [PATCH V1 4/6] net/mlx4_en: Set max rate-limit for a TC
Date: Wed, 21 Mar 2012 15:43:11 +0200	[thread overview]
Message-ID: <4F69DAEF.5010407@mellanox.com> (raw)
In-Reply-To: <1332324776.25742.14.camel@edumazet-laptop>

On 03/21/2012 12:12 PM, Eric Dumazet wrote:
> Le mercredi 21 mars 2012 à 11:25 +0200, Amir Vadai a écrit :
>> From: Amir Vadai<amirv@mellanox.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
>
>

Ok, will change the structure to be:

/sys/class/net/eth2/qos/tc0/ratelimit
...
/sys/class/net/eth2/qos/tc7/ratelimit

And use units of 1Mbps

- Amir

  reply	other threads:[~2012-03-21 13:45 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-21  9:24 [PATCH V1 0/6] net/mlx4_en: DCB QoS support Amir Vadai
2012-03-21  9:24 ` [PATCH V1 1/6] net/mlx4_en: Force user priority by QP attribute Amir Vadai
2012-03-21  9:24 ` [PATCH V1 2/6] net/mlx4_core: set port QoS attributes Amir Vadai
2012-03-21  9:25 ` [PATCH V1 3/6] net/mlx4_en: DCB QoS support Amir Vadai
2012-03-21  9:25 ` [PATCH V1 4/6] net/mlx4_en: Set max rate-limit for a TC Amir Vadai
2012-03-21 10:12   ` Eric Dumazet
2012-03-21 13:43     ` Amir Vadai [this message]
2012-03-21  9:25 ` [PATCH V1 5/6] net/mlx4_en: sk_prio <=> UP for untagged traffic Amir Vadai
2012-03-21 14:20   ` John Fastabend
2012-03-21 15:18     ` Amir Vadai
2012-03-21  9:25 ` [PATCH V1 6/6] IB/rdma_cm: TOS <=> UP mapping for IBoE Amir Vadai
2012-03-21 10:03   ` Eric Dumazet
2012-03-21 13:26     ` Amir Vadai

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