netdev - Re: [PATCH 10/13]: net: Implement simple sw TX hashing.

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Message-Id: <E1KIMIg-0007MB-00@gondolin.me.apana.org.au>
Date:	Mon, 14 Jul 2008 19:33:02 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	dada1@...mosbay.com (Eric Dumazet)
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH 10/13]: net: Implement simple sw TX hashing.

Eric Dumazet <dada1@...mosbay.com> wrote:
>
>> +     return hash % dev->real_num_tx_queues;
> 
> simple but expensive... but could be changed to use reciprocal_divide() if necessary...

For the common cases it should be a power of 2 too.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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