From: Andrew Schwartzmeyer <andschwa@microsoft.com>
Date: Wed, 12 Aug 2015 00:14:31 +0000 (-0700)
Subject: hv_netvsc: Set vRSS with num_chn in RNDIS filter
X-Git-Tag: omap-for-v4.3/fixes-rc1~110^2~187
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ebdcc52b9b8a53e3ba2643f515d41fff44d4743;p=pandora-kernel.git

hv_netvsc: Set vRSS with num_chn in RNDIS filter

Uses device_info->num_chn to pass user provided number of vRSS
queues (from ethtool --set-channels) to rndis_filter_device_add. If
nonzero and less than the maximum, set net_device->num_chn to the given
value; else default to prior algorithm.

Always initialize struct device_info to 0, otherwise not all its fields
are guaranteed to be 0, which is necessary when checking if num_chn has
been purposefully set.

Signed-off-by: Andrew Schwartzmeyer <andschwa@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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