we will need it for common-beacon
Signed-off-by: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/htc.h | 8 ++++++++
drivers/net/wireless/ath/ath9k/htc_drv_init.c | 1 +
drivers/net/wireless/ath/ath9k/htc_drv_main.c | 19 +++++++++++++++----
3 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 707c5b4..124dfed 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -407,9 +407,17 @@ static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
#define MIN_SWBA_RESPONSE 10 /* in TUs */
struct htc_beacon {
+ enum {
+ OK, /* no change needed */
+ UPDATE, /* update pending */
+ COMMIT /* beacon sent, commit change */
+ } updateslot; /* slot time update fsm */
+
struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
u32 bmisscnt;
u32 beaconq;
+ int slottime;
+ int slotupdate;
};
struct ath_btcoex {
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 4b3b4dd..8a3bd5f 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -520,6 +520,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++)
priv->beacon.bslot[i] = NULL;
+ priv->beacon.slottime = ATH9K_SLOT_TIME_9;
ath9k_cmn_init_channels_rates(common);
ath9k_cmn_init_crypto(ah);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index b82a7c4..f46cd02 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1500,6 +1500,7 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
struct ath9k_htc_priv *priv = hw->priv;
struct ath_hw *ah = priv->ah;
struct ath_common *common = ath9k_hw_common(ah);
+ int slottime;
mutex_lock(&priv->mutex);
ath9k_htc_ps_wakeup(priv);
@@ -1575,11 +1576,21 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_ERP_SLOT) {
if (bss_conf->use_short_slot)
- ah->slottime = 9;
+ slottime = 9;
else
- ah->slottime = 20;
-
- ath9k_hw_init_global_settings(ah);
+ slottime = 20;
+ if (vif->type == NL80211_IFTYPE_AP) {
+ /*
+ * Defer update, so that connected stations can adjust
+ * their settings at the same time.
+ * See beacon.c for more details
+ */
+ priv->beacon.slottime = slottime;
+ priv->beacon.updateslot = UPDATE;
+ } else {
+ ah->slottime = slottime;
+ ath9k_hw_init_global_settings(ah);
+ }
}
if (changed & BSS_CHANGED_HT)
--
1.9.0
--
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