From: Sathya Perla <sathya.perla@emulex.com>
Date: Fri, 25 Oct 2013 05:10:16 +0000 (+0530)
Subject: be2net: add support for ndo_busy_poll
X-Git-Tag: v3.13-rc1~105^2~124
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6384a4d0dcf9e28f5aa5e0c8a7e58e7b4df19e68;p=pandora-kernel.git

be2net: add support for ndo_busy_poll

Includes:
- ndo_busy_poll implementation
- Locking between napi and busy_poll
- Fix rx_post_starvation (replenish rx-queues in out-of-mememory scenario)
  logic to accomodate busy_poll.

v2 changes:
[Eric D.'s comment] call alloc_pages() with GFP_ATOMIC even in ndo_busy_poll
context as it is not allowed to sleep.

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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