From 0cfda8519c85eb279166fb55a8553ee66eac9b35 Mon Sep 17 00:00:00 2001
From: Thomas Pedersen <thomas@cozybit.com>
Date: Thu, 24 Nov 2011 17:15:25 -0800
Subject: [PATCH] mac80211: don't initiate path discovery when forwarding frame
 with unknown DA

We used to initiate a path discovery when receiving a frame for which
there is no forwarding information. To cut down on PREQ spam, just send
a (gated) PERR in response.

Also separate path discovery logic from nexthop querying. This patch
means we no longer queue frames when forwarding, so kill the PERR TX
stuff in discard_frame().

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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