ath5k: send buffered frames after the beacon
Enable the "Content" After Beacon queue and utilize it to send
any buffered frames for power-saving clients.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index c6e7091..87ebc46 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -218,6 +218,8 @@
* Prototypes - MAC 802.11 stack related functions
*/
static int ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+static int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ath5k_txq *txq);
static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan);
static int ath5k_reset_wake(struct ath5k_softc *sc);
static int ath5k_start(struct ieee80211_hw *hw);
@@ -301,7 +303,8 @@
static int ath5k_rxbuf_setup(struct ath5k_softc *sc,
struct ath5k_buf *bf);
static int ath5k_txbuf_setup(struct ath5k_softc *sc,
- struct ath5k_buf *bf);
+ struct ath5k_buf *bf,
+ struct ath5k_txq *txq);
static inline void ath5k_txbuf_free(struct ath5k_softc *sc,
struct ath5k_buf *bf)
{
@@ -516,6 +519,7 @@
/* Initialize driver private data */
SET_IEEE80211_DEV(hw, &pdev->dev);
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;
@@ -789,12 +793,18 @@
goto err_desc;
}
sc->bhalq = ret;
+ sc->cabq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_CAB, 0);
+ if (IS_ERR(sc->cabq)) {
+ ATH5K_ERR(sc, "can't setup cab queue\n");
+ ret = PTR_ERR(sc->cabq);
+ goto err_bhal;
+ }
sc->txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK);
if (IS_ERR(sc->txq)) {
ATH5K_ERR(sc, "can't setup xmit queue\n");
ret = PTR_ERR(sc->txq);
- goto err_bhal;
+ goto err_queues;
}
tasklet_init(&sc->rxtq, ath5k_tasklet_rx, (unsigned long)sc);
@@ -1232,10 +1242,10 @@
}
static int
-ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
+ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
+ struct ath5k_txq *txq)
{
struct ath5k_hw *ah = sc->ah;
- struct ath5k_txq *txq = sc->txq;
struct ath5k_desc *ds = bf->desc;
struct sk_buff *skb = bf->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -2103,6 +2113,7 @@
{
struct ath5k_buf *bf = sc->bbuf;
struct ath5k_hw *ah = sc->ah;
+ struct sk_buff *skb;
ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, "in beacon_send\n");
@@ -2156,6 +2167,12 @@
ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n",
sc->bhalq, (unsigned long long)bf->daddr, bf->desc);
+ skb = ieee80211_get_buffered_bc(sc->hw, sc->vif);
+ while (skb) {
+ ath5k_tx_queue(sc->hw, skb, sc->cabq);
+ skb = ieee80211_get_buffered_bc(sc->hw, sc->vif);
+ }
+
sc->bsent++;
}
@@ -2603,6 +2620,14 @@
ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ath5k_softc *sc = hw->priv;
+
+ return ath5k_tx_queue(hw, skb, sc->txq);
+}
+
+static int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ath5k_txq *txq)
+{
+ struct ath5k_softc *sc = hw->priv;
struct ath5k_buf *bf;
unsigned long flags;
int hdrlen;
@@ -2646,7 +2671,7 @@
bf->skb = skb;
- if (ath5k_txbuf_setup(sc, bf)) {
+ if (ath5k_txbuf_setup(sc, bf, txq)) {
bf->skb = NULL;
spin_lock_irqsave(&sc->txbuflock, flags);
list_add_tail(&bf->list, &sc->txbuf);