ath9k: Move TX completion routine to xmit.c

Also, use a helper function to setup RC status data
when processing completed TX descriptors.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 0c34820..e672556 100644 (file)
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -453,8 +453,6 @@ void ath_tx_tasklet(struct ath_softc *sc);
 u32 ath_txq_depth(struct ath_softc *sc, int qnum);
 u32 ath_txq_aggr_depth(struct ath_softc *sc, int qnum);
 void ath_notify_txq_status(struct ath_softc *sc, u16 queue_depth);
-void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-                    struct ath_xmit_status *tx_status);
 void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb);
 
 /**********************/

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 9a79824..54d89ab 100644 (file)
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -341,37 +341,6 @@ void ath_get_beaconconfig(struct ath_softc *sc,
        conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf->listen_interval;
 }
 
-void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-                    struct ath_xmit_status *tx_status)
-{
-       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);
-
-       DPRINTF(sc, ATH_DBG_XMIT,
-               "%s: TX complete: skb: %p\n", __func__, skb);
-
-       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 (tx_status->flags & ATH_TX_BAR) {
-               tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
-               tx_status->flags &= ~ATH_TX_BAR;
-       }
-
-       if (!(tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
-               /* Frame was ACKed */
-               tx_info->flags |= IEEE80211_TX_STAT_ACK;
-       }
-
-       tx_info->status.rates[0].count = tx_status->retries + 1;
-
-       ieee80211_tx_status(hw, skb);
-}
-
 /********************************/
 /*      LED functions          */
 /********************************/

diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
index 93317ce..4c9a03e 100644 (file)
--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -102,6 +102,37 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
        ath9k_hw_txstart(ah, txq->axq_qnum);
 }
 
+static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
+                           struct ath_xmit_status *tx_status)
+{
+       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);
+
+       DPRINTF(sc, ATH_DBG_XMIT,
+               "%s: TX complete: skb: %p\n", __func__, skb);
+
+       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 (tx_status->flags & ATH_TX_BAR) {
+               tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
+               tx_status->flags &= ~ATH_TX_BAR;
+       }
+
+       if (!(tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
+               /* Frame was ACKed */
+               tx_info->flags |= IEEE80211_TX_STAT_ACK;
+       }
+
+       tx_info->status.rates[0].count = tx_status->retries + 1;
+
+       ieee80211_tx_status(hw, skb);
+}
+
 /* Check if it's okay to send out aggregates */
 
 static int ath_aggr_query(struct ath_softc *sc, struct ath_node *an, u8 tidno)
@@ -913,18 +944,35 @@ static void ath_tx_complete_aggr_rifs(struct ath_softc *sc,
        return;
 }
 
+static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds, int nbad)
+{
+       struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
+       struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+       struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
+
+       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) {
+               if (bf_isdata(bf)) {
+                       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;
+               }
+       }
+}
+
 /* Process completed xmit descriptors from the specified queue */
 
-static int ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
+static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 {
        struct ath_hal *ah = sc->sc_ah;
        struct ath_buf *bf, *lastbf, *bf_held = NULL;
        struct list_head bf_head;
-       struct ath_desc *ds, *tmp_ds;
-       struct sk_buff *skb;
-       struct ieee80211_tx_info *tx_info;
-       struct ath_tx_info_priv *tx_info_priv;
-       int nacked, txok, nbad = 0, isrifs = 0;
+       struct ath_desc *ds;
+       int txok, nbad = 0;
        int status;
 
        DPRINTF(sc, ATH_DBG_QUEUE,
@@ -932,7 +980,6 @@ static int ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
                txq->axq_link);
 
-       nacked = 0;
        for (;;) {
                spin_lock_bh(&txq->axq_lock);
                if (list_empty(&txq->axq_q)) {
@@ -1022,30 +1069,8 @@ static int ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                } else {
                        nbad = ath_tx_num_badfrms(sc, bf, txok);
                }
-               skb = bf->bf_mpdu;
-               tx_info = IEEE80211_SKB_CB(skb);
-
-               tx_info_priv =
-                       (struct ath_tx_info_priv *)tx_info->rate_driver_data[0];
-               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) {
-                       if (ds->ds_txstat.ts_status == 0)
-                               nacked++;
-
-                       if (bf_isdata(bf)) {
-                               if (isrifs)
-                                       tmp_ds = bf->bf_rifslast->bf_desc;
-                               else
-                                       tmp_ds = ds;
-                               memcpy(&tx_info_priv->tx,
-                                       &tmp_ds->ds_txstat,
-                                       sizeof(tx_info_priv->tx));
-                               tx_info_priv->n_frames = bf->bf_nframes;
-                               tx_info_priv->n_bad_frames = nbad;
-                       }
-               }
+
+               ath_tx_rc_status(bf, ds, nbad);
 
                /*
                 * Complete this transmit unit
@@ -1076,7 +1101,6 @@ static int ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                        ath_txq_schedule(sc, txq);
                spin_unlock_bh(&txq->axq_lock);
        }
-       return nacked;
 }
 
 static void ath_tx_stopdma(struct ath_softc *sc, struct ath_txq *txq)