netdev - Re: [PATCH 2/3][BNX2]: Fix RX packet rot.

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Message-Id: <20071210.171913.245036734.davem@davemloft.net>
Date:	Mon, 10 Dec 2007 17:19:13 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	mchan@...adcom.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/3][BNX2]: Fix RX packet rot.

From: "Michael Chan" <mchan@...adcom.com>
Date: Sun, 09 Dec 2007 13:17:14 -0800

> [BNX2]: Fix RX packet rot.
> 
> Packets can be left in the RX ring if the NAPI budget is reached.
> This is caused by storing the latest rx index at the beginning of
> bnx2_rx_int().  We may not process all the work up to this index
> if the budget is reached and so some packets in the RX ring may rot
> when we later check for more work using this stored rx index.
> 
> The fix is to not store this latest hw index and only store the
> processed rx index.  We use a new function bnx2_get_hw_rx_cons()
> to fetch the latest hw rx index.
> 
> Signed-off-by: Michael Chan <mchan@...adcom.com>

Applied.
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