2012-07-17 11:47:35

by Sujith Manoharan

[permalink] [raw]
Subject: [PATCH 08/12] ath9k: Set the TSF adjust value properly

Signed-off-by: Sujith Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/ath9k.h | 1 +
drivers/net/wireless/ath/ath9k/beacon.c | 17 +++++++++++++++++
drivers/net/wireless/ath/ath9k/main.c | 3 +++
3 files changed, 21 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index ae3e940..7e4839a 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -418,6 +418,7 @@ 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 02fbd3e..f2a2131 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 7760dc3..c23912c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1530,6 +1530,9 @@ 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);
}
--
1.7.11.2