From ab1c7906b0bead549065a3a2def5aeda21818c99 Mon Sep 17 00:00:00 2001
From: Henning Rogge <hrogge@gmail.com>
Date: Wed, 3 Feb 2016 13:58:37 +0100
Subject: mac80211: let unused MPP table entries timeout

Remember the last time when a mpp table entry is used for
rx or tx and remove them after MESH_PATH_EXPIRE time.

Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Henning Rogge <henning.rogge@fkie.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/tx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'net/mac80211/tx.c')

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a5aa275d0434..7bb67fa9f4d2 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2173,8 +2173,11 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
 					mpp_lookup = true;
 			}
 
-			if (mpp_lookup)
+			if (mpp_lookup) {
 				mppath = mpp_path_lookup(sdata, skb->data);
+				if (mppath)
+					mppath->exp_time = jiffies;
+			}
 
 			if (mppath && mpath)
 				mesh_path_del(mpath->sdata, mpath->dst);
-- 
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