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git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-15 03:14:50 +00:00
ath9k: add missing tx locking
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 38034
This commit is contained in:
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808a1c7808
commit
50bc1a7593
@ -931,7 +931,7 @@
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}
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info.buf_addr[0] = bf->bf_buf_addr;
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@@ -1188,53 +1304,86 @@ static void ath_tx_fill_desc(struct ath_
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@@ -1188,64 +1304,101 @@ static void ath_tx_fill_desc(struct ath_
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}
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}
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@ -1015,11 +1015,7 @@
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+ return false;
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+
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+ INIT_LIST_HEAD(&bf_q);
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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 (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
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- status != ATH_AGGR_BAW_CLOSED);
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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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+ return false;
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@ -1046,14 +1042,33 @@
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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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+
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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 (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
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- status != ATH_AGGR_BAW_CLOSED);
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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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@@ -1258,6 +1407,9 @@ int ath_tx_aggr_start(struct ath_softc *
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u16 tid, u16 *ssn)
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{
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struct ath_atx_tid *txtid;
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+ struct ath_txq *txq;
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struct ath_node *an;
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u8 density;
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an = (struct ath_node *)sta->drv_priv;
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txtid = ATH_AN_2_TID(an, tid);
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+ txq = txtid->ac->txq;
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+
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+ ath_txq_lock(sc, txq);
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/* update ampdu factor/density, they may have changed. This may happen
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* in HT IBSS when a beacon with HT-info is received after the station
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@@ -1258,6 +1411,9 @@ int ath_tx_aggr_start(struct ath_softc *
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an->mpdudensity = density;
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}
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@ -1063,7 +1078,16 @@
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txtid->active = true;
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txtid->paused = true;
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*ssn = txtid->seq_start = txtid->seq_next;
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@@ -1277,8 +1429,9 @@ void ath_tx_aggr_stop(struct ath_softc *
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@@ -1266,6 +1422,8 @@ int ath_tx_aggr_start(struct ath_softc *
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memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf));
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txtid->baw_head = txtid->baw_tail = 0;
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+ ath_txq_unlock_complete(sc, txq);
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+
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return 0;
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}
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@@ -1277,8 +1435,9 @@ void ath_tx_aggr_stop(struct ath_softc *
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ath_txq_lock(sc, txq);
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txtid->active = false;
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@ -1074,7 +1098,7 @@
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ath_txq_unlock_complete(sc, txq);
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}
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@@ -1302,7 +1455,7 @@ void ath_tx_aggr_sleep(struct ieee80211_
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@@ -1302,7 +1461,7 @@ void ath_tx_aggr_sleep(struct ieee80211_
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ath_txq_lock(sc, txq);
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@ -1083,7 +1107,7 @@
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tid->sched = false;
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list_del(&tid->list);
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@@ -1334,7 +1487,7 @@ void ath_tx_aggr_wakeup(struct ath_softc
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@@ -1334,7 +1493,7 @@ void ath_tx_aggr_wakeup(struct ath_softc
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ath_txq_lock(sc, txq);
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ac->clear_ps_filter = true;
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@ -1092,7 +1116,7 @@
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ath_tx_queue_tid(txq, tid);
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ath_txq_schedule(sc, txq);
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}
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@@ -1359,7 +1512,7 @@ void ath_tx_aggr_resume(struct ath_softc
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@@ -1359,7 +1518,7 @@ void ath_tx_aggr_resume(struct ath_softc
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tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
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tid->paused = false;
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@ -1101,7 +1125,7 @@
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ath_tx_queue_tid(txq, tid);
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ath_txq_schedule(sc, txq);
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}
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@@ -1379,6 +1532,7 @@ void ath9k_release_buffered_frames(struc
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@@ -1379,6 +1538,7 @@ void ath9k_release_buffered_frames(struc
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struct ieee80211_tx_info *info;
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struct list_head bf_q;
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struct ath_buf *bf_tail = NULL, *bf;
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@ -1109,7 +1133,7 @@
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int sent = 0;
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int i;
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@@ -1394,16 +1548,18 @@ void ath9k_release_buffered_frames(struc
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@@ -1394,16 +1554,18 @@ void ath9k_release_buffered_frames(struc
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continue;
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ath_txq_lock(sc, tid->ac->txq);
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@ -1133,7 +1157,7 @@
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if (bf_tail)
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bf_tail->bf_next = bf;
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@@ -1412,7 +1568,7 @@ void ath9k_release_buffered_frames(struc
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@@ -1412,7 +1574,7 @@ void ath9k_release_buffered_frames(struc
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sent++;
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TX_STAT_INC(txq->axq_qnum, a_queued_hw);
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@ -1142,7 +1166,7 @@
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ieee80211_sta_set_buffered(an->sta, i, false);
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}
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ath_txq_unlock_complete(sc, tid->ac->txq);
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@@ -1571,7 +1727,7 @@ static void ath_drain_txq_list(struct at
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@@ -1571,7 +1733,7 @@ static void ath_drain_txq_list(struct at
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while (!list_empty(list)) {
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bf = list_first_entry(list, struct ath_buf, list);
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@ -1151,7 +1175,7 @@
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list_del(&bf->list);
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ath_tx_return_buffer(sc, bf);
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@@ -1665,25 +1821,27 @@ void ath_tx_cleanupq(struct ath_softc *s
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@@ -1665,25 +1827,27 @@ 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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@ -1184,7 +1208,7 @@
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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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@@ -1692,17 +1850,17 @@ void ath_txq_schedule(struct ath_softc *
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@@ -1692,17 +1856,17 @@ void ath_txq_schedule(struct ath_softc *
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if (tid->paused)
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continue;
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@ -1206,7 +1230,7 @@
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break;
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}
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@@ -1711,9 +1869,17 @@ void ath_txq_schedule(struct ath_softc *
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@@ -1711,9 +1875,17 @@ 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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@ -1226,7 +1250,7 @@
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}
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rcu_read_unlock();
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@@ -1787,62 +1953,13 @@ static void ath_tx_txqaddbuf(struct ath_
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@@ -1787,62 +1959,13 @@ static void ath_tx_txqaddbuf(struct ath_
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if (bf_is_ampdu_not_probing(bf))
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txq->axq_ampdu_depth++;
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@ -1292,7 +1316,7 @@
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static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
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struct ath_atx_tid *tid, struct sk_buff *skb)
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{
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@@ -1985,6 +2102,7 @@ static int ath_tx_prepare(struct ieee802
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@@ -1985,6 +2108,7 @@ static int ath_tx_prepare(struct ieee802
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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struct ieee80211_sta *sta = txctl->sta;
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struct ieee80211_vif *vif = info->control.vif;
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@ -1300,7 +1324,7 @@
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struct ath_softc *sc = hw->priv;
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int frmlen = skb->len + FCS_LEN;
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int padpos, padsize;
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@@ -1992,6 +2110,10 @@ static int ath_tx_prepare(struct ieee802
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@@ -1992,6 +2116,10 @@ static int ath_tx_prepare(struct ieee802
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/* NOTE: sta can be NULL according to net/mac80211.h */
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if (sta)
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txctl->an = (struct ath_node *)sta->drv_priv;
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@ -1311,7 +1335,7 @@
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if (info->control.hw_key)
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frmlen += info->control.hw_key->icv_len;
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@@ -2041,7 +2163,6 @@ int ath_tx_start(struct ieee80211_hw *hw
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@@ -2041,7 +2169,6 @@ int ath_tx_start(struct ieee80211_hw *hw
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struct ath_txq *txq = txctl->txq;
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struct ath_atx_tid *tid = NULL;
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struct ath_buf *bf;
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@ -1319,7 +1343,7 @@
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int q;
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int ret;
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@@ -2069,27 +2190,31 @@ int ath_tx_start(struct ieee80211_hw *hw
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@@ -2069,27 +2196,31 @@ int ath_tx_start(struct ieee80211_hw *hw
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ath_txq_unlock(sc, txq);
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txq = sc->tx.uapsdq;
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ath_txq_lock(sc, txq);
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@ -1362,7 +1386,7 @@
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if (txctl->paprd)
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dev_kfree_skb_any(skb);
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else
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@@ -2142,7 +2267,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
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@@ -2142,7 +2273,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
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bf->bf_lastbf = bf;
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ath_set_rates(vif, NULL, bf);
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@ -1371,7 +1395,7 @@
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duration += info.rates[0].PktDuration;
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if (bf_tail)
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bf_tail->bf_next = bf;
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@@ -2189,7 +2314,7 @@ static void ath_tx_complete(struct ath_s
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@@ -2189,7 +2320,7 @@ static void ath_tx_complete(struct ath_s
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struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
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@ -1380,7 +1404,7 @@
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unsigned long flags;
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ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
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@@ -2225,21 +2350,7 @@ static void ath_tx_complete(struct ath_s
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@@ -2225,21 +2356,7 @@ static void ath_tx_complete(struct ath_s
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spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
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__skb_queue_tail(&txq->complete_q, skb);
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@ -1403,7 +1427,7 @@
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}
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static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
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@@ -2360,8 +2471,7 @@ static void ath_tx_processq(struct ath_s
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@@ -2360,8 +2477,7 @@ static void ath_tx_processq(struct ath_s
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if (list_empty(&txq->axq_q)) {
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txq->axq_link = NULL;
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@ -1413,7 +1437,7 @@
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break;
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}
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bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
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@@ -2375,7 +2485,7 @@ static void ath_tx_processq(struct ath_s
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@@ -2375,7 +2491,7 @@ static void ath_tx_processq(struct ath_s
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* it with the STALE flag.
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*/
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bf_held = NULL;
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@ -1422,7 +1446,7 @@
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bf_held = bf;
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if (list_is_last(&bf_held->list, &txq->axq_q))
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break;
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@@ -2399,7 +2509,7 @@ static void ath_tx_processq(struct ath_s
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@@ -2399,7 +2515,7 @@ static void ath_tx_processq(struct ath_s
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* however leave the last descriptor back as the holding
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* descriptor for hw.
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*/
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@ -1431,7 +1455,7 @@
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INIT_LIST_HEAD(&bf_head);
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if (!list_is_singular(&lastbf->list))
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list_cut_position(&bf_head,
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@@ -2470,7 +2580,7 @@ void ath_tx_edma_tasklet(struct ath_soft
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@@ -2470,7 +2586,7 @@ void ath_tx_edma_tasklet(struct ath_soft
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}
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bf = list_first_entry(fifo_list, struct ath_buf, list);
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@ -1440,7 +1464,7 @@
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list_del(&bf->list);
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ath_tx_return_buffer(sc, bf);
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bf = list_first_entry(fifo_list, struct ath_buf, list);
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@@ -2492,7 +2602,7 @@ void ath_tx_edma_tasklet(struct ath_soft
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@@ -2492,7 +2608,7 @@ void ath_tx_edma_tasklet(struct ath_soft
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ath_tx_txqaddbuf(sc, txq, &bf_q, true);
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}
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} else {
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@ -1449,7 +1473,7 @@
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if (bf != lastbf)
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list_cut_position(&bf_head, fifo_list,
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lastbf->list.prev);
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@@ -2583,6 +2693,7 @@ void ath_tx_node_init(struct ath_softc *
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@@ -2583,6 +2699,7 @@ void ath_tx_node_init(struct ath_softc *
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tid->paused = false;
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tid->active = false;
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__skb_queue_head_init(&tid->buf_q);
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@ -1457,7 +1481,7 @@
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acno = TID_TO_WME_AC(tidno);
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tid->ac = &an->ac[acno];
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}
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@@ -2590,6 +2701,7 @@ void ath_tx_node_init(struct ath_softc *
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@@ -2590,6 +2707,7 @@ void ath_tx_node_init(struct ath_softc *
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for (acno = 0, ac = &an->ac[acno];
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acno < IEEE80211_NUM_ACS; acno++, ac++) {
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ac->sched = false;
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