From: Daniel Pieczko <dpieczko@solarflare.com>
Date: Tue, 1 Apr 2014 12:10:34 +0000 (+0100)
Subject: Call efx_set_channels() before efx->type->dimension_resources()
X-Git-Tag: v3.15-rc1~113^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52ad762b85ed7947ec9eff6b036eb985352f6874;p=pandora-kernel.git

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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