Ejemplo n.º 1
0
static int
brcms_ops_ampdu_action(struct ieee80211_hw *hw,
		    struct ieee80211_vif *vif,
		    enum ieee80211_ampdu_mlme_action action,
		    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
		    u8 buf_size)
{
	struct brcms_info *wl = hw->priv;
	struct scb *scb = &wl->wlc->pri_scb;
	int status;

	if (WARN_ON(scb->magic != SCB_MAGIC))
		return -EIDRM;
	switch (action) {
	case IEEE80211_AMPDU_RX_START:
		break;
	case IEEE80211_AMPDU_RX_STOP:
		break;
	case IEEE80211_AMPDU_TX_START:
		spin_lock_bh(&wl->lock);
		status = brcms_c_aggregatable(wl->wlc, tid);
		spin_unlock_bh(&wl->lock);
		if (!status) {
			brcms_err(wl->wlc->hw->d11core,
				  "START: tid %d is not agg\'able\n", tid);
			return -EINVAL;
		}
		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
		break;

	case IEEE80211_AMPDU_TX_STOP_CONT:
	case IEEE80211_AMPDU_TX_STOP_FLUSH:
	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
		spin_lock_bh(&wl->lock);
		brcms_c_ampdu_flush(wl->wlc, sta, tid);
		spin_unlock_bh(&wl->lock);
		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
		break;
	case IEEE80211_AMPDU_TX_OPERATIONAL:
		/*
		 * BA window size from ADDBA response ('buf_size') defines how
		 * many outstanding MPDUs are allowed for the BA stream by
		 * recipient and traffic class. 'ampdu_factor' gives maximum
		 * AMPDU size.
		 */
		spin_lock_bh(&wl->lock);
		brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
			(1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
			 sta->ht_cap.ampdu_factor)) - 1);
		spin_unlock_bh(&wl->lock);
		/* Power save wakeup */
		break;
	default:
		brcms_err(wl->wlc->hw->d11core,
			  "%s: Invalid command, ignoring\n", __func__);
	}

	return 0;
}
Ejemplo n.º 2
0
static int
brcms_ops_ampdu_action(struct ieee80211_hw *hw,
		    struct ieee80211_vif *vif,
		    enum ieee80211_ampdu_mlme_action action,
		    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
		    u8 buf_size)
{
	struct scb *scb = (struct scb *)sta->drv_priv;
	struct brcms_info *wl = hw->priv;
	int status;

	if (WARN_ON(scb->magic != SCB_MAGIC))
		return -EIDRM;
	switch (action) {
	case IEEE80211_AMPDU_RX_START:
		break;
	case IEEE80211_AMPDU_RX_STOP:
		break;
	case IEEE80211_AMPDU_TX_START:
		LOCK(wl);
		status = brcms_c_aggregatable(wl->wlc, tid);
		UNLOCK(wl);
		if (!status) {
			wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n",
				  tid);
			return -EINVAL;
		}
		/* Future improvement: Use the starting sequence number provided ... */
		*ssn = 0;
		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
		break;

	case IEEE80211_AMPDU_TX_STOP:
		LOCK(wl);
		brcms_c_ampdu_flush(wl->wlc, sta, tid);
		UNLOCK(wl);
		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
		break;
	case IEEE80211_AMPDU_TX_OPERATIONAL:
		/*
		 * BA window size from ADDBA response ('buf_size') defines how
		 * many outstanding MPDUs are allowed for the BA stream by
		 * recipient and traffic class. 'ampdu_factor' gives maximum
		 * AMPDU size.
		 */
		LOCK(wl);
		brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
			(1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
			 sta->ht_cap.ampdu_factor)) - 1);
		UNLOCK(wl);
		/* Power save wakeup */
		break;
	default:
		wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n",
			  __func__);
	}

	return 0;
}