netdev - Re: [PATCH net] Call efx_set_channels() before efx->type->dimension

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Message-Id: <20140401.162726.1295372958571326874.davem@davemloft.net>
Date:	Tue, 01 Apr 2014 16:27:26 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	sshah@...arflare.com
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com,
	ben@...adent.org.uk
Subject: Re: [PATCH net] Call efx_set_channels() before
 efx->type->dimension_resources()

From: Shradha Shah <sshah@...arflare.com>
Date: Tue, 1 Apr 2014 13:10:34 +0100

> From: Daniel Pieczko <dpieczko@...arflare.com>
> 
> When using the "separate_tx_channels=1" module parameter, the TX queues are
> initially numbered starting from the first TX-only channel number (after all the
> RX-only channels).  efx_set_channels() renumbers the queues so that they are
> indexed from zero.
> 
> On EF10, the TX queues need to be relabelled in this way before calling the
> dimension_resources NIC type operation, otherwise the TX queue PIO buffers can be
> linked to the wrong VIs when using "separate_tx_channels=1".
> 
> Added comments to explain UC/WC mappings for PIO buffers
> 
> Signed-off-by: Shradha Shah <sshah@...arflare.com>

Applied and queued up for -stable.
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