+
+ if (priv->cur_beacon_conf.bmiss_cnt) {
+ ath_dbg(common, ATH_DBG_BSTUCK,
+ "Resuming beacon xmit after %u misses\n",
+ priv->cur_beacon_conf.bmiss_cnt);
+ priv->cur_beacon_conf.bmiss_cnt = 0;
+ }
+
+ slot = ath9k_htc_choose_bslot(priv, swba);
+ spin_lock_bh(&priv->beacon_lock);
+ if (priv->cur_beacon_conf.bslot[slot] == NULL) {
+ spin_unlock_bh(&priv->beacon_lock);
+ return;
+ }
+ spin_unlock_bh(&priv->beacon_lock);
+
+ ath9k_htc_send_buffered(priv, slot);
+ ath9k_htc_send_beacon(priv, slot);
+}
+
+void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
+ struct ieee80211_vif *vif)
+{
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *)vif->drv_priv;
+ int i = 0;
+
+ spin_lock_bh(&priv->beacon_lock);
+ for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++) {
+ if (priv->cur_beacon_conf.bslot[i] == NULL) {
+ avp->bslot = i;
+ break;
+ }
+ }
+
+ priv->cur_beacon_conf.bslot[avp->bslot] = vif;
+ spin_unlock_bh(&priv->beacon_lock);
+
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Added interface at beacon slot: %d\n", avp->bslot);
+}
+
+void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
+ struct ieee80211_vif *vif)
+{
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *)vif->drv_priv;
+
+ spin_lock_bh(&priv->beacon_lock);
+ priv->cur_beacon_conf.bslot[avp->bslot] = NULL;
+ spin_unlock_bh(&priv->beacon_lock);
+
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Removed interface at beacon slot: %d\n", avp->bslot);
+}
+
+/*
+ * Calculate the TSF adjustment value for all slots
+ * other than zero.
+ */
+void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
+ struct ieee80211_vif *vif)
+{
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *)vif->drv_priv;
+ struct htc_beacon_config *cur_conf = &priv->cur_beacon_conf;
+ u64 tsfadjust;
+
+ if (avp->bslot == 0)
+ return;
+
+ /*
+ * The beacon interval cannot be different for multi-AP mode,
+ * and we reach here only for VIF slots greater than zero,
+ * so beacon_interval is guaranteed to be set in cur_conf.
+ */
+ tsfadjust = cur_conf->beacon_interval * avp->bslot / ATH9K_HTC_MAX_BCN_VIF;
+ avp->tsfadjust = cpu_to_le64(TU_TO_USEC(tsfadjust));
+
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "tsfadjust is: %llu for bslot: %d\n",
+ (unsigned long long)tsfadjust, avp->bslot);