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path: root/drivers/net/wireless/ath/ath9k/xmit.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c83
1 files changed, 32 insertions, 51 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 86b54ddd01cb..745d91995d78 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -251,6 +251,7 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf)
ATH_TXBUF_RESET(tbf);
+ tbf->aphy = bf->aphy;
tbf->bf_mpdu = bf->bf_mpdu;
tbf->bf_buf_addr = bf->bf_buf_addr;
*(tbf->bf_desc) = *(bf->bf_desc);
@@ -270,7 +271,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
struct ieee80211_hw *hw;
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *tx_info;
- struct ath_tx_info_priv *tx_info_priv;
struct ath_atx_tid *tid = NULL;
struct ath_buf *bf_next, *bf_last = bf->bf_lastbf;
struct ath_desc *ds = bf_last->bf_desc;
@@ -284,8 +284,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
hdr = (struct ieee80211_hdr *)skb->data;
tx_info = IEEE80211_SKB_CB(skb);
- tx_info_priv = (struct ath_tx_info_priv *) tx_info->rate_driver_data[0];
- hw = tx_info_priv->aphy->hw;
+ hw = bf->aphy->hw;
rcu_read_lock();
@@ -464,7 +463,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
struct sk_buff *skb;
struct ieee80211_tx_info *tx_info;
struct ieee80211_tx_rate *rates;
- struct ath_tx_info_priv *tx_info_priv;
u32 max_4ms_framelen, frmlen;
u16 aggr_limit, legacy = 0;
int i;
@@ -472,7 +470,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
skb = bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
rates = tx_info->control.rates;
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->rate_driver_data[0];
/*
* Find the lowest frame length among the rate series that will have a
@@ -702,7 +699,6 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
/* anchor last desc of aggregate */
ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
- txq->axq_aggr_depth++;
ath_tx_txqaddbuf(sc, txq, &bf_q);
TX_STAT_INC(txq->axq_qnum, a_aggr);
@@ -878,8 +874,6 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
INIT_LIST_HEAD(&txq->axq_acq);
spin_lock_init(&txq->axq_lock);
txq->axq_depth = 0;
- txq->axq_aggr_depth = 0;
- txq->axq_linkbuf = NULL;
txq->axq_tx_inprogress = false;
sc->tx.txqsetup |= 1<<qnum;
}
@@ -1014,7 +1008,6 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL;
- txq->axq_linkbuf = NULL;
spin_unlock_bh(&txq->axq_lock);
break;
}
@@ -1199,7 +1192,6 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
list_splice_tail_init(head, &txq->axq_q);
txq->axq_depth++;
- txq->axq_linkbuf = list_entry(txq->axq_q.prev, struct ath_buf, list);
ath_print(common, ATH_DBG_QUEUE,
"qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
@@ -1560,21 +1552,26 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
struct ath_softc *sc = aphy->sc;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ath_tx_info_priv *tx_info_priv;
int hdrlen;
__le16 fc;
- tx_info_priv = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
- if (unlikely(!tx_info_priv))
- return -ENOMEM;
- tx_info->rate_driver_data[0] = tx_info_priv;
- tx_info_priv->aphy = aphy;
- tx_info_priv->frame_type = txctl->frame_type;
+ tx_info->pad[0] = 0;
+ switch (txctl->frame_type) {
+ case ATH9K_NOT_INTERNAL:
+ break;
+ case ATH9K_INT_PAUSE:
+ tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_PAUSE;
+ /* fall through */
+ case ATH9K_INT_UNPAUSE:
+ tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_INTERNAL;
+ break;
+ }
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
fc = hdr->frame_control;
ATH_TXBUF_RESET(bf);
+ bf->aphy = aphy;
bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
if (conf_is_ht(&hw->conf) && !is_pae(skb))
@@ -1599,8 +1596,6 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
skb->len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) {
bf->bf_mpdu = NULL;
- kfree(tx_info_priv);
- tx_info->rate_driver_data[0] = NULL;
ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
"dma_mapping_error() on TX\n");
return -ENOMEM;
@@ -1781,27 +1776,17 @@ exit:
/*****************/
static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
- int tx_flags)
+ struct ath_wiphy *aphy, int tx_flags)
{
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
int hdrlen, padsize;
- int frame_type = ATH9K_NOT_INTERNAL;
ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
- if (tx_info_priv) {
- hw = tx_info_priv->aphy->hw;
- frame_type = tx_info_priv->frame_type;
- }
-
- if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
- tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
- kfree(tx_info_priv);
- tx_info->rate_driver_data[0] = NULL;
- }
+ if (aphy)
+ hw = aphy->hw;
if (tx_flags & ATH_TX_BAR)
tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
@@ -1833,10 +1818,10 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
SC_OP_WAIT_FOR_TX_ACK));
}
- if (frame_type == ATH9K_NOT_INTERNAL)
- ieee80211_tx_status(hw, skb);
- else
+ if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
ath9k_tx_status(hw, skb);
+ else
+ ieee80211_tx_status(hw, skb);
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -1859,7 +1844,7 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
}
dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
- ath_tx_complete(sc, skb, tx_flags);
+ ath_tx_complete(sc, skb, bf->aphy, tx_flags);
ath_debug_stat_tx(sc, txq, bf);
/*
@@ -1907,8 +1892,7 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
struct sk_buff *skb = bf->bf_mpdu;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
- struct ieee80211_hw *hw = tx_info_priv->aphy->hw;
+ struct ieee80211_hw *hw = bf->aphy->hw;
u8 i, tx_rateindex;
if (txok)
@@ -1917,17 +1901,22 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
tx_rateindex = ds->ds_txstat.ts_rateindex;
WARN_ON(tx_rateindex >= hw->max_rates);
- tx_info_priv->update_rc = update_rc;
+ if (update_rc)
+ tx_info->pad[0] |= ATH_TX_INFO_UPDATE_RC;
if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
(bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
if (ieee80211_is_data(hdr->frame_control)) {
- memcpy(&tx_info_priv->tx, &ds->ds_txstat,
- sizeof(tx_info_priv->tx));
- tx_info_priv->n_frames = bf->bf_nframes;
- tx_info_priv->n_bad_frames = nbad;
+ if (ds->ds_txstat.ts_flags &
+ (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN))
+ tx_info->pad[0] |= ATH_TX_INFO_UNDERRUN;
+ if ((ds->ds_txstat.ts_status & ATH9K_TXERR_XRETRY) ||
+ (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO))
+ tx_info->pad[0] |= ATH_TX_INFO_XRETRY;
+ tx_info->status.ampdu_len = bf->bf_nframes;
+ tx_info->status.ampdu_ack_len = bf->bf_nframes - nbad;
}
}
@@ -1971,7 +1960,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
spin_lock_bh(&txq->axq_lock);
if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL;
- txq->axq_linkbuf = NULL;
spin_unlock_bh(&txq->axq_lock);
break;
}
@@ -2005,10 +1993,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
spin_unlock_bh(&txq->axq_lock);
break;
}
- if (bf->bf_desc == txq->axq_lastdsWithCTS)
- txq->axq_lastdsWithCTS = NULL;
- if (ds == txq->axq_gatingds)
- txq->axq_gatingds = NULL;
/*
* Remove ath_buf's of the same transmit unit from txq,
@@ -2022,9 +2006,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
&txq->axq_q, lastbf->list.prev);
txq->axq_depth--;
- if (bf_isaggr(bf))
- txq->axq_aggr_depth--;
-
txok = (ds->ds_txstat.ts_status == 0);
txq->axq_tx_inprogress = false;
spin_unlock_bh(&txq->axq_lock);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-13 04:00:49 +0000