tree eeb702d106b39d7eea57cbd425713f2767ba319b
parent e9d8b2c2968499c1f96563e6522c56958d5a1d0d
author Daniel Pieczko <dpieczko@solarflare.com> 1396354234 +0100
committer David S. Miller <davem@davemloft.net> 1396383951 -0400

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>