[2/2] mac80211: Revert 'Use correct sign for mesh active path refresh'

Commit Message

Javier Cardona Dec. 10, 2009, 2:43 a.m. UTC

None

Patch

diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 31e1025..85562c5 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -188,8 +188,9 @@  struct mesh_rmc {
  */
 #define MESH_PREQ_MIN_INT	10
 #define MESH_DIAM_TRAVERSAL_TIME 50
-/* Paths will be refreshed if they are closer than PATH_REFRESH_TIME to their
- * expiration
+/* A path will be refreshed if it is used PATH_REFRESH_TIME milliseconds before
+ * timing out.  This way it will remain ACTIVE and no data frames will be
+ * unnecesarily held in the pending queue.
  */
 #define MESH_PATH_REFRESH_TIME			1000
 #define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME)
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 9aecf02..c43fa91 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -936,7 +936,7 @@  int mesh_nexthop_lookup(struct sk_buff *skb,
 	}
 
 	if (mpath->flags & MESH_PATH_ACTIVE) {
-		if (time_after(jiffies, mpath->exp_time +
+		if (time_after(jiffies, mpath->exp_time -
 			msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time))
 				&& !memcmp(sdata->dev->dev_addr, hdr->addr4,
 					   ETH_ALEN)