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From: David Miller <davem@davemloft.net>
Subject: Re: [RFC PATCH 3/3] igb: example of how to update igb to make use
 of in-kernel Toeplitz hashing
Date: Fri, 17 Dec 2010 22:59:03 -0800 (PST)
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From: Alexander Duyck <alexander.duyck@gmail.com>
Date: Fri, 17 Dec 2010 22:53:24 -0800

> Specifically would a 16 bit key/hash work for queue selection or
> would there be cases where we need a 32 bit key/hash result?

Currently for TX 16-bit ought to be enough.