157 lines
4.3 KiB
Diff
157 lines
4.3 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -1317,8 +1317,8 @@ ath_tx_form_burst(struct ath_softc *sc,
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} while (1);
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}
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-static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
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- struct ath_atx_tid *tid)
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+static bool ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
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+ struct ath_atx_tid *tid, bool *stop)
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{
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struct ath_buf *bf;
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struct ieee80211_tx_info *tx_info;
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@@ -1327,40 +1327,41 @@ static void ath_tx_sched_aggr(struct ath
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int aggr_len = 0;
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bool aggr, last = true;
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- do {
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- if (!ath_tid_has_buffered(tid))
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- return;
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-
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- INIT_LIST_HEAD(&bf_q);
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-
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- bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
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- if (!bf)
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- break;
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+ if (!ath_tid_has_buffered(tid))
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+ return false;
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- tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
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- aggr = !!(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
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- if ((aggr && txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) ||
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- (!aggr && txq->axq_depth >= ATH_NON_AGGR_MIN_QDEPTH))
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- break;
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+ INIT_LIST_HEAD(&bf_q);
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- ath_set_rates(tid->an->vif, tid->an->sta, bf);
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- if (aggr)
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- last = ath_tx_form_aggr(sc, txq, tid, &bf_q, bf,
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- tid_q, &aggr_len);
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- else
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- ath_tx_form_burst(sc, txq, tid, &bf_q, bf, tid_q);
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+ bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
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+ if (!bf)
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+ return false;
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+
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+ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
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+ aggr = !!(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
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+ if ((aggr && txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) ||
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+ (!aggr && txq->axq_depth >= ATH_NON_AGGR_MIN_QDEPTH)) {
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+ *stop = true;
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+ return false;
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+ }
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+
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+ ath_set_rates(tid->an->vif, tid->an->sta, bf);
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+ if (aggr)
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+ last = ath_tx_form_aggr(sc, txq, tid, &bf_q, bf,
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+ tid_q, &aggr_len);
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+ else
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+ ath_tx_form_burst(sc, txq, tid, &bf_q, bf, tid_q);
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- if (list_empty(&bf_q))
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- return;
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+ if (list_empty(&bf_q))
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+ return false;
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- if (tid->ac->clear_ps_filter) {
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- tid->ac->clear_ps_filter = false;
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- tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
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- }
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+ if (tid->ac->clear_ps_filter) {
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+ tid->ac->clear_ps_filter = false;
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+ tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
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+ }
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- ath_tx_fill_desc(sc, bf, txq, aggr_len);
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- ath_tx_txqaddbuf(sc, txq, &bf_q, false);
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- } while (!last);
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+ ath_tx_fill_desc(sc, bf, txq, aggr_len);
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+ ath_tx_txqaddbuf(sc, txq, &bf_q, false);
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+ return true;
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}
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int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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@@ -1796,25 +1797,27 @@ void ath_tx_cleanupq(struct ath_softc *s
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*/
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void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
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{
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- struct ath_atx_ac *ac, *ac_tmp, *last_ac;
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+ struct ath_atx_ac *ac, *last_ac;
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struct ath_atx_tid *tid, *last_tid;
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+ bool sent = false;
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if (test_bit(SC_OP_HW_RESET, &sc->sc_flags) ||
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- list_empty(&txq->axq_acq) ||
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- txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
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+ list_empty(&txq->axq_acq))
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return;
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rcu_read_lock();
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- ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
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last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list);
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+ while (!list_empty(&txq->axq_acq)) {
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+ bool stop = false;
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- list_for_each_entry_safe(ac, ac_tmp, &txq->axq_acq, list) {
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+ ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
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last_tid = list_entry(ac->tid_q.prev, struct ath_atx_tid, list);
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list_del(&ac->list);
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ac->sched = false;
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while (!list_empty(&ac->tid_q)) {
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+
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tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
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list);
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list_del(&tid->list);
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@@ -1823,7 +1826,8 @@ void ath_txq_schedule(struct ath_softc *
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if (tid->paused)
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continue;
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- ath_tx_sched_aggr(sc, txq, tid);
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+ if (ath_tx_sched_aggr(sc, txq, tid, &stop))
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+ sent = true;
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/*
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* add tid to round-robin queue if more frames
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@@ -1832,8 +1836,7 @@ void ath_txq_schedule(struct ath_softc *
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if (ath_tid_has_buffered(tid))
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ath_tx_queue_tid(txq, tid);
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- if (tid == last_tid ||
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- txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
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+ if (stop || tid == last_tid)
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break;
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}
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@@ -1842,9 +1845,17 @@ void ath_txq_schedule(struct ath_softc *
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list_add_tail(&ac->list, &txq->axq_acq);
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}
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- if (ac == last_ac ||
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- txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
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+ if (stop)
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break;
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+
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+ if (ac == last_ac) {
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+ if (!sent)
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+ break;
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+
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+ sent = false;
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+ last_ac = list_entry(txq->axq_acq.prev,
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+ struct ath_atx_ac, list);
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+ }
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}
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rcu_read_unlock();
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