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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2012-07-17 17:16:16 +0530
committerJohn W. Linville <linville@tuxdriver.com>2012-07-17 15:11:39 -0400
commit2f8e82e8ab4629e648925c566cc26bdcf25f0aec (patch)
treec03d3a52350bc399f63af700ad7d686e3239feb6 /drivers/net/wireless/ath
parent7e52c8aa35c987236a80b7063c418a3d29b51052 (diff)
downloadblackbird-obmc-linux-2f8e82e8ab4629e648925c566cc26bdcf25f0aec.tar.gz
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ath9k: Set the TSF adjust value properly
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c17
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c3
3 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 00a22683981a..4aca1e5dd712 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -421,6 +421,7 @@ void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif,
u32 changed);
void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
+void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif);
void ath9k_set_beacon(struct ath_softc *sc);
void ath9k_set_beaconing_status(struct ath_softc *sc, bool status);
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 02fbd3eebc2b..f2a2131c5ce5 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -268,6 +268,23 @@ void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif)
tasklet_enable(&sc->bcon_tasklet);
}
+void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf;
+ struct ath_vif *avp = (void *)vif->drv_priv;
+ u64 tsfadjust;
+
+ if (avp->av_bslot == 0)
+ return;
+
+ tsfadjust = cur_conf->beacon_interval * avp->av_bslot / ATH_BCBUF;
+ avp->tsf_adjust = cpu_to_le64(TU_TO_USEC(tsfadjust));
+
+ ath_dbg(common, CONFIG, "tsfadjust is: %llu for bslot: %d\n",
+ (unsigned long long)tsfadjust, avp->av_bslot);
+}
+
void ath_beacon_tasklet(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index d8ae0f5e3da7..915bd4881b3f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1531,6 +1531,9 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
if ((changed & BSS_CHANGED_BEACON_ENABLED) ||
(changed & BSS_CHANGED_BEACON_INT)) {
+ if (ah->opmode == NL80211_IFTYPE_AP &&
+ bss_conf->enable_beacon)
+ ath9k_set_tsfadjust(sc, vif);
if (ath9k_allow_beacon_config(sc, vif))
ath9k_beacon_config(sc, vif, changed);
}
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