From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Sat, 20 Sep 2014 23:53:08 +0000 (-0400)
Subject: fm10k: Add support for IEEE DCBx
X-Git-Tag: fixes-against-v3.18-rc2~144^2~138^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f801abc3d4fe1e770268ae4e610556e79be6fca;p=pandora-kernel.git

fm10k: Add support for IEEE DCBx

This patch adds support for management of the limited QOS features of the
FM10000 interface.  Specifically we can support up to 8 traffic classes,
however the part only provides 1 Rx and 1 Tx FIFO in the host interface and
as a result this can lead to head-of-line blocking on Rx.  This can be
avoided by setting PFC only for priorities that cannot afford to drop
frames.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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