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83 lines
2.5 KiB
Diff
83 lines
2.5 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
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+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -242,6 +242,7 @@ struct ath_atx_tid {
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struct ath_atx_ac *ac;
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unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
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int buf_pending;
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+ int bar_index;
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u16 seq_start;
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u16 seq_next;
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u16 baw_size;
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -206,6 +206,8 @@ static void ath_tx_update_baw(struct ath
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while (tid->baw_head != tid->baw_tail && !test_bit(tid->baw_head, tid->tx_buf)) {
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INCR(tid->seq_start, IEEE80211_SEQ_MAX);
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INCR(tid->baw_head, ATH_TID_MAX_BUFS);
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+ if (tid->bar_index >= 0)
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+ tid->bar_index--;
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}
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}
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@@ -263,6 +265,7 @@ static void ath_tid_drain(struct ath_sof
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tid->seq_next = tid->seq_start;
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tid->baw_tail = tid->baw_head;
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+ tid->bar_index = -1;
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}
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static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq,
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@@ -561,8 +564,12 @@ static void ath_tx_complete_aggr(struct
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bf = bf_next;
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}
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- if (bar_index >= 0)
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+ if (bar_index >= 0) {
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+ u16 bar_seq = ATH_BA_INDEX2SEQ(seq_first, bar_index);
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ath_send_bar(tid, ATH_BA_INDEX2SEQ(seq_first, bar_index + 1));
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+ if (BAW_WITHIN(tid->seq_start, tid->baw_size, bar_seq))
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+ tid->bar_index = ATH_BA_INDEX(tid->seq_start, bar_seq);
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+ }
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/* prepend un-acked frames to the beginning of the pending frame queue */
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if (!skb_queue_empty(&bf_pending)) {
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@@ -789,8 +796,6 @@ static enum ATH_AGGR_STATUS ath_tx_form_
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bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
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seqno = bf->bf_state.seqno;
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- if (!bf_first)
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- bf_first = bf;
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/* do not step over block-ack window */
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if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno)) {
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@@ -798,6 +803,21 @@ static enum ATH_AGGR_STATUS ath_tx_form_
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break;
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}
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+ if (tid->bar_index > ATH_BA_INDEX(tid->seq_start, seqno)) {
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+ struct ath_tx_status ts = {};
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+ struct list_head bf_head;
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+
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+ INIT_LIST_HEAD(&bf_head);
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+ list_add(&bf->list, &bf_head);
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+ __skb_unlink(skb, &tid->buf_q);
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+ ath_tx_update_baw(sc, tid, seqno);
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+ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
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+ continue;
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+ }
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+
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+ if (!bf_first)
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+ bf_first = bf;
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+
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if (!rl) {
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aggr_limit = ath_lookup_rate(sc, bf, tid);
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rl = 1;
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@@ -1141,6 +1161,7 @@ int ath_tx_aggr_start(struct ath_softc *
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txtid->state |= AGGR_ADDBA_PROGRESS;
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txtid->paused = true;
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*ssn = txtid->seq_start = txtid->seq_next;
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+ txtid->bar_index = -1;
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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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