From: Anjali Singhai Jain <anjali.singhai@intel.com>
Date: Tue, 24 Feb 2015 06:58:50 +0000 (+0000)
Subject: i40e: Fix RSS size at init since default num queue calculation has changed
X-Git-Tag: omap-for-v4.2/o2_dc~131^2~354^2~4
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=66ddcffb1afb009d352115a61e25c237915d9e04;p=pandora-kernel.git

i40e: Fix RSS size at init since default num queue calculation has changed

With changes to default number of queue pairs that the interface comes up with
from 1 per online CPU to 1 per lan_msix, we need to make sure we recalculate
rss_size. We will now recalculate rss_size based on number of queues enabled in
the VSI.

Without this fix if the max_lan_msix < num_online_cpu we will be coming up
with fewer queues but will be populating rss_size based on num_online_cpus.
This will result in packets getting silently dropped because RSS LUT has queues
that are not enabled.

Change-ID: Ifac8796ce1be1758bb0c34f38dbf4a3a76621e76
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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