From 52ad762b85ed7947ec9eff6b036eb985352f6874 Mon Sep 17 00:00:00 2001
From: Daniel Pieczko <dpieczko@solarflare.com>
Date: Tue, 1 Apr 2014 13:10:34 +0100
Subject: [PATCH] Call efx_set_channels() before
 efx->type->dimension_resources()

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@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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