Re: [PATCH] net: macb: Fix race condition in driver when Rx frame is dropped

From: David Miller
Date: Wed Apr 29 2015 - 15:25:13 EST

From: Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@xxxxxxxxxx>
Date: Wed, 29 Apr 2015 08:34:46 +0530

> From: Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@xxxxxxxxxx>
> Under heavy Rx load, observed that the Hw is updating the USED bit
> and it is not updating the received frame status to the BD control
> field. This could be lack of resources for processing the BDs at high
> data rates. Driver drops the frame associated with this BD but not
> clearing the USED bit. So, this is causing hang condition as Hw
> expects USED bit to be cleared for this BD.
> Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xxxxxxxxxx>

Applied, thanks.
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