Commit 7702e788 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville

ath9k: make per-WMM-AC queue sizes configurable via debugfs

Prepare for using different queue size defaults for each AC.
Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 531bd079
......@@ -297,6 +297,7 @@ struct ath_tx {
struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
struct ath_descdma txdma;
struct ath_txq *txq_map[WME_NUM_AC];
u32 txq_max_pending[WME_NUM_AC];
};
struct ath_rx_edma {
......
......@@ -1556,6 +1556,14 @@ int ath9k_init_debug(struct ath_hw *ah)
&fops_interrupt);
debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
&fops_xmit);
debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
&sc->tx.txq_max_pending[WME_AC_BK]);
debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
&sc->tx.txq_max_pending[WME_AC_BE]);
debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
&sc->tx.txq_max_pending[WME_AC_VI]);
debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
&sc->tx.txq_max_pending[WME_AC_VO]);
debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
&fops_stations);
debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
......
......@@ -434,6 +434,7 @@ static int ath9k_init_queues(struct ath_softc *sc)
for (i = 0; i < WME_NUM_AC; i++) {
sc->tx.txq_map[i] = ath_txq_setup(sc, ATH9K_TX_QUEUE_DATA, i);
sc->tx.txq_map[i]->mac80211_qnum = i;
sc->tx.txq_max_pending[i] = ATH_MAX_QDEPTH;
}
return 0;
}
......
......@@ -1988,7 +1988,8 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
ath_txq_lock(sc, txq);
if (txq == sc->tx.txq_map[q] &&
++txq->pending_frames > ATH_MAX_QDEPTH && !txq->stopped) {
++txq->pending_frames > sc->tx.txq_max_pending[q] &&
!txq->stopped) {
ieee80211_stop_queue(sc->hw, q);
txq->stopped = true;
}
......@@ -2047,7 +2048,8 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
if (WARN_ON(--txq->pending_frames < 0))
txq->pending_frames = 0;
if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
if (txq->stopped &&
txq->pending_frames < sc->tx.txq_max_pending[q]) {
ieee80211_wake_queue(sc->hw, q);
txq->stopped = false;
}
......
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