| Date | Wed, 16 Dec 2009 19:56:03 -0800 | From | Greg KH <> | Subject | [066/151] mac80211: Revert Use correct sign for mesh active path refresh |
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2.6.32-stable review patch. If anyone has any objections, please let us know.
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From: Javier Cardona <javier@cozybit.com>
commit 7b324d28a94dac5a451e8cba66e8d324601e5b9a upstream.
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> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- net/mac80211/mesh.h | 5 +++-- net/mac80211/mesh_hwmp.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-)
--- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -186,8 +186,9 @@ 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) --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -813,7 +813,7 @@ int mesh_nexthop_lookup(struct sk_buff * } 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)
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