netdev - Re: [net-next-2.6 PATCH 1/2] e1000e: increase rx fifo size to 36K on 82574 and 82583

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Message-Id: <20100506.002542.52183792.davem@davemloft.net>
Date:	Thu, 06 May 2010 00:25:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	alexander.h.duyck@...el.com
Subject: Re: [net-next-2.6 PATCH 1/2] e1000e: increase rx fifo size to 36K
 on 82574 and 82583

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 05 May 2010 01:25:42 -0700

> From: Alexander Duyck <alexander.h.duyck@...el.com>
> 
> This change increases the RX fifo size to 36K for standard frames and
> decreases the TX fifo size to 4K.  The reason for this change is that on
> slower systems the RX is much more likely to backfill and need space than
> the TX is.  As long as the TX fifo is twice the size of the MTU we should
> have more than enough TX fifo.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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