diff options
Diffstat (limited to 'package/mac80211/patches/530-ath9k_limit_qlen.patch')
| -rw-r--r-- | package/mac80211/patches/530-ath9k_limit_qlen.patch | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/package/mac80211/patches/530-ath9k_limit_qlen.patch b/package/mac80211/patches/530-ath9k_limit_qlen.patch deleted file mode 100644 index 6c85b429ea..0000000000 --- a/package/mac80211/patches/530-ath9k_limit_qlen.patch +++ /dev/null @@ -1,143 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -244,6 +244,7 @@ struct ath_atx_tid { - struct ath_node *an; - struct ath_atx_ac *ac; - unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; -+ int buf_pending; - int bar_index; - u16 seq_start; - u16 seq_next; -@@ -290,6 +291,9 @@ struct ath_tx_control { - * (axq_qnum). - */ - struct ath_tx { -+ u32 qlen_single; -+ u32 qlen_aggr; -+ - u16 seq_no; - u32 txqsetup; - spinlock_t txbuflock; ---- a/drivers/net/wireless/ath/ath9k/debug.c -+++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -1647,6 +1647,10 @@ 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_single", S_IRUSR | S_IWUSR, -+ sc->debug.debugfs_phy, &sc->tx.qlen_single); -+ debugfs_create_u32("qlen_aggr", S_IRUSR | S_IWUSR, -+ sc->debug.debugfs_phy, &sc->tx.qlen_aggr); - debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc, - &fops_stations); - debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -393,6 +393,14 @@ static void ath_tx_count_frames(struct a - } - } - -+static struct ath_atx_tid *ath_get_tid(struct ath_node *an, struct sk_buff *skb) -+{ -+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -+ u8 tidno; -+ -+ tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; -+ return ATH_AN_2_TID(an, tidno); -+} - - static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, - struct ath_buf *bf, struct list_head *bf_q, -@@ -487,6 +495,8 @@ static void ath_tx_complete_aggr(struct - __skb_queue_head_init(&bf_pending); - - ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad); -+ tid->buf_pending -= nframes; -+ - while (bf) { - u16 seqno = bf->bf_state.seqno; - -@@ -885,6 +895,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_ - ath_tx_addto_baw(sc, tid, seqno); - bf->bf_state.ndelim = ndelim; - -+ tid->buf_pending++; - __skb_unlink(skb, &tid->buf_q); - list_add_tail(&bf->list, bf_q); - if (bf_prev) -@@ -1740,6 +1751,8 @@ static void ath_tx_send_ampdu(struct ath - /* Add sub-frame to BAW */ - ath_tx_addto_baw(sc, tid, bf->bf_state.seqno); - -+ tid->buf_pending++; -+ - /* Queue to h/w without aggregation */ - TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw); - bf->bf_lastbf = bf; -@@ -1890,22 +1903,11 @@ error: - - /* FIXME: tx power */ - static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb, -- struct ath_tx_control *txctl) -+ struct ath_tx_control *txctl, -+ struct ath_atx_tid *tid) - { - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); -- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -- struct ath_atx_tid *tid = NULL; - struct ath_buf *bf; -- u8 tidno; -- -- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) && txctl->an && -- ieee80211_is_data_qos(hdr->frame_control)) { -- tidno = ieee80211_get_qos_ctl(hdr)[0] & -- IEEE80211_QOS_CTL_TID_MASK; -- tid = ATH_AN_2_TID(txctl->an, tidno); -- -- WARN_ON(tid->ac->txq != txctl->txq); -- } - - if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) { - /* -@@ -1937,6 +1939,7 @@ int ath_tx_start(struct ieee80211_hw *hw - struct ieee80211_vif *vif = info->control.vif; - struct ath_softc *sc = hw->priv; - struct ath_txq *txq = txctl->txq; -+ struct ath_atx_tid *tid = NULL; - int padpos, padsize; - int frmlen = skb->len + FCS_LEN; - int q; -@@ -1979,6 +1982,24 @@ int ath_tx_start(struct ieee80211_hw *hw - - setup_frame_info(hw, skb, frmlen); - -+ if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) && txctl->an && -+ ieee80211_is_data_qos(hdr->frame_control)) { -+ tid = ath_get_tid(txctl->an, skb); -+ -+ WARN_ON(tid->ac->txq != txq); -+ } -+ -+ if ((info->flags & IEEE80211_TX_CTL_AMPDU) && tid) { -+ if (sc->tx.qlen_aggr > 0 && skb_queue_len(&tid->buf_q) + -+ tid->buf_pending >= sc->tx.qlen_aggr) -+ return -ENOMEM; -+ } else { -+ if (sc->tx.qlen_single > 0 && -+ txq->axq_depth - txq->axq_ampdu_depth >= -+ sc->tx.qlen_single) -+ return -ENOMEM; -+ } -+ - /* - * At this point, the vif, hw_key and sta pointers in the tx control - * info are no longer valid (overwritten by the ath_frame_info data. -@@ -1993,7 +2014,7 @@ int ath_tx_start(struct ieee80211_hw *hw - txq->stopped = true; - } - -- ath_tx_start_dma(sc, skb, txctl); -+ ath_tx_start_dma(sc, skb, txctl, tid); - - ath_txq_unlock(sc, txq); - |