From d53c6c91b15033c65faf75cecabfd5c853a13614 Mon Sep 17 00:00:00 2001
From: Sam Leffler <sam@FreeBSD.org>
Date: Mon, 7 Sep 2009 16:41:18 +0000
Subject: [PATCH] MFC r196717:     fix beacon timers on resume in sta mode so
 raoming works

Approved by:	re (kensmith)
---
 sys/dev/ath/if_ath.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c
index a789f5ea298..5628addc33a 100644
--- a/sys/dev/ath/if_ath.c
+++ b/sys/dev/ath/if_ath.c
@@ -1236,7 +1236,16 @@ ath_resume(struct ath_softc *sc)
 	if (sc->sc_resume_up) {
 		if (ic->ic_opmode == IEEE80211_M_STA) {
 			ath_init(sc);
-			ieee80211_beacon_miss(ic);
+			/*
+			 * Program the beacon registers using the last rx'd
+			 * beacon frame and enable sync on the next beacon
+			 * we see.  This should handle the case where we
+			 * wakeup and find the same AP and also the case where
+			 * we wakeup and need to roam.  For the latter we
+			 * should get bmiss events that trigger a roam.
+			 */
+			ath_beacon_config(sc, NULL);
+			sc->sc_syncbeacon = 1;
 		} else
 			ieee80211_resume_all(ic);
 	}