netdev - Re: [PATCH 2/3] bql: Byte queue limits

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Message-ID: <BANLkTikeGhmyswra_Z38eXMBuZk2seoPwQ@mail.gmail.com>
Date:	Thu, 28 Apr 2011 05:53:05 -0700
From:	Tom Herbert <therbert@...gle.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH 2/3] bql: Byte queue limits

> Although this is implemented as a device attribute, from a layering
> point of view it feels like a queuing strategy. Having two competing
> ways to do something is not always a good idea. Why is this not a
> qdisc parameter or a new qdisc?
>
It's an interesting idea, but I'm not sure that this would fit into
the qdisc model without some major re-architecture.  The qdiscs manage
host side above the device, BQL is another layer that would need to be
added beyond the that which is logically below the leaf qdiscs.

Tom

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