ath9k: prepare queueing code for handling unaggregated traffic

- Allow ath_tx_get_tid_subframe to return non-AMPDU subframes.
- Reset the tid paused state on aggregation stop
- Initialize software queues even when HT is not supported

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index afeab3c..252497a 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1371,9 +1371,6 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw,
        struct ath_softc *sc = hw->priv;
        struct ath_node *an = (struct ath_node *) sta->drv_priv;
 
-       if (!sta->ht_cap.ht_supported)
-               return;
-
        switch (cmd) {
        case STA_NOTIFY_SLEEP:
                an->sleeping = true;

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index d66e8b8..e69f7fe 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -672,7 +672,7 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
        } else
                ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok);
 
-       if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) && !flush)
+       if (!flush)
                ath_txq_schedule(sc, txq);
 }
 
@@ -848,6 +848,7 @@ static struct ath_buf *
 ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
                        struct ath_atx_tid *tid, struct sk_buff_head **q)
 {
+       struct ieee80211_tx_info *tx_info;
        struct ath_frame_info *fi;
        struct sk_buff *skb;
        struct ath_buf *bf;
@@ -874,6 +875,16 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
                        continue;
                }
 
+               bf->bf_next = NULL;
+               bf->bf_lastbf = bf;
+
+               tx_info = IEEE80211_SKB_CB(skb);
+               tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT;
+               if (!(tx_info->flags & IEEE80211_TX_CTL_AMPDU)) {
+                       bf->bf_state.bf_type = 0;
+                       return bf;
+               }
+
                bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
                seqno = bf->bf_state.seqno;
 
@@ -893,8 +904,6 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
                        continue;
                }
 
-               bf->bf_next = NULL;
-               bf->bf_lastbf = bf;
                return bf;
        }
 
@@ -1356,7 +1365,7 @@ void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
 
        ath_txq_lock(sc, txq);
        txtid->active = false;
-       txtid->paused = true;
+       txtid->paused = false;
        ath_tx_flush_tid(sc, txtid);
        ath_txq_unlock_complete(sc, txq);
 }
@@ -2425,8 +2434,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 
                if (list_empty(&txq->axq_q)) {
                        txq->axq_link = NULL;
-                       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
-                               ath_txq_schedule(sc, txq);
+                       ath_txq_schedule(sc, txq);
                        break;
                }
                bf = list_first_entry(&txq->axq_q, struct ath_buf, list);