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mac80211: Revert 'Use correct sign for mesh active path refresh'

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The patch ("mac80211: Use correct sign for mesh active path
refresh.") was actually a bug.  Reverted it and improved the
explanation of how mesh path refresh works.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2009-12-09 18:43:01 -08:00 committed by John W. Linville
parent 5d618cb81a
commit 7b324d28a9
2 changed files with 4 additions and 3 deletions
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5
net/mac80211/mesh.h
View File

@ -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)

2
net/mac80211/mesh_hwmp.c
View File

@ -937,7 +937,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
if (mpath->flags & MESH_PATH_ACTIVE) {
if (time_after(jiffies,
mpath->exp_time +
mpath->exp_time -
msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) &&
!memcmp(sdata->dev->dev_addr, hdr->addr4, ETH_ALEN) &&
!(mpath->flags & MESH_PATH_RESOLVING) &&