Mesh beaconing on ath9k was broken by this commit:

commit 4801416c76a3a355076d6d371c00270dfe332e1c
Author: Ben Greear [off-list ref]
Date:   Sat Jan 15 19:13:48 2011 +0000

This patch assigns the right opmode when the device is used in mesh
mode.

Reported-by: Fabrice Deyber fabricedeyber@agilemesh.com
Signed-off-by: Javier Cardona <redacted>
---
 drivers/net/wireless/ath/ath9k/main.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c3dbf26..8fa07aa 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c

@@ -1384,7 +1384,9 @@ static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,
 		ath9k_hw_set_tsfadjust(ah, 0);
 		sc->sc_flags &= ~SC_OP_TSF_RESET;
 
-		if (iter_data.nwds + iter_data.nmeshes)
+		if (iter_data.nmeshes)
+			ah->opmode = NL80211_IFTYPE_MESH_POINT;
+		else if (iter_data.nwds)
 			ah->opmode = NL80211_IFTYPE_AP;
 		else if (iter_data.nadhocs)
 			ah->opmode = NL80211_IFTYPE_ADHOC;

-- 
1.7.1