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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.c100
1 files changed, 45 insertions, 55 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 821d3679c6f..43c0109f202 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -985,9 +985,8 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
return NULL;
}
if (qnum >= ARRAY_SIZE(sc->tx.txq)) {
- ath_print(common, ATH_DBG_FATAL,
- "qnum %u out of range, max %u!\n",
- qnum, (unsigned int)ARRAY_SIZE(sc->tx.txq));
+ ath_err(common, "qnum %u out of range, max %zu!\n",
+ qnum, ARRAY_SIZE(sc->tx.txq));
ath9k_hw_releasetxqueue(ah, qnum);
return NULL;
}
@@ -1038,8 +1037,8 @@ int ath_txq_update(struct ath_softc *sc, int qnum,
qi.tqi_readyTime = qinfo->tqi_readyTime;
if (!ath9k_hw_set_txq_props(ah, qnum, &qi)) {
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "Unable to update hardware queue %u!\n", qnum);
+ ath_err(ath9k_hw_common(sc->sc_ah),
+ "Unable to update hardware queue %u!\n", qnum);
error = -EIO;
} else {
ath9k_hw_resettxqueue(ah, qnum);
@@ -1172,7 +1171,7 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
}
}
-void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
+bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -1180,7 +1179,7 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
int i, npend = 0;
if (sc->sc_flags & SC_OP_INVALID)
- return;
+ return true;
/* Stop beacon queue */
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
@@ -1194,23 +1193,15 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
}
}
- if (npend) {
- int r;
-
- ath_print(common, ATH_DBG_FATAL,
- "Failed to stop TX DMA. Resetting hardware!\n");
-
- r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
- if (r)
- ath_print(common, ATH_DBG_FATAL,
- "Unable to reset hardware; reset status %d\n",
- r);
- }
+ if (npend)
+ ath_err(common, "Failed to stop TX DMA!\n");
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
if (ATH_TXQ_SETUP(sc, i))
ath_draintxq(sc, &sc->tx.txq[i], retry_tx);
}
+
+ return !npend;
}
void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq)
@@ -1287,8 +1278,8 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
bf = list_first_entry(head, struct ath_buf, list);
- ath_print(common, ATH_DBG_QUEUE,
- "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
if (txq->axq_depth >= ATH_TXFIFO_DEPTH) {
@@ -1296,32 +1287,29 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
return;
}
if (!list_empty(&txq->txq_fifo[txq->txq_headidx]))
- ath_print(common, ATH_DBG_XMIT,
- "Initializing tx fifo %d which "
- "is non-empty\n",
- txq->txq_headidx);
+ ath_dbg(common, ATH_DBG_XMIT,
+ "Initializing tx fifo %d which is non-empty\n",
+ txq->txq_headidx);
INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]);
list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]);
INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH);
ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
- ath_print(common, ATH_DBG_XMIT,
- "TXDP[%u] = %llx (%p)\n",
- txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
+ ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
+ txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
} else {
list_splice_tail_init(head, &txq->axq_q);
if (txq->axq_link == NULL) {
ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
- ath_print(common, ATH_DBG_XMIT,
- "TXDP[%u] = %llx (%p)\n",
- txq->axq_qnum, ito64(bf->bf_daddr),
- bf->bf_desc);
+ ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
+ txq->axq_qnum, ito64(bf->bf_daddr),
+ bf->bf_desc);
} else {
*txq->axq_link = bf->bf_daddr;
- ath_print(common, ATH_DBG_XMIT,
- "link[%u] (%p)=%llx (%p)\n",
- txq->axq_qnum, txq->axq_link,
- ito64(bf->bf_daddr), bf->bf_desc);
+ ath_dbg(common, ATH_DBG_XMIT,
+ "link[%u] (%p)=%llx (%p)\n",
+ txq->axq_qnum, txq->axq_link,
+ ito64(bf->bf_daddr), bf->bf_desc);
}
ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
&txq->axq_link);
@@ -1648,7 +1636,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ieee80211_hw *hw,
bf = ath_tx_get_buffer(sc);
if (!bf) {
- ath_print(common, ATH_DBG_XMIT, "TX buffers are full\n");
+ ath_dbg(common, ATH_DBG_XMIT, "TX buffers are full\n");
return NULL;
}
@@ -1663,8 +1651,8 @@ static struct ath_buf *ath_tx_setup_buffer(struct ieee80211_hw *hw,
if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
bf->bf_mpdu = NULL;
bf->bf_buf_addr = 0;
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "dma_mapping_error() on TX\n");
+ ath_err(ath9k_hw_common(sc->sc_ah),
+ "dma_mapping_error() on TX\n");
ath_tx_return_buffer(sc, bf);
return NULL;
}
@@ -1745,7 +1733,10 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
int frmlen = skb->len + FCS_LEN;
int q;
- txctl->an = (struct ath_node *)sta->drv_priv;
+ /* NOTE: sta can be NULL according to net/mac80211.h */
+ if (sta)
+ txctl->an = (struct ath_node *)sta->drv_priv;
+
if (info->control.hw_key)
frmlen += info->control.hw_key->icv_len;
@@ -1811,7 +1802,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
int q, padpos, padsize;
- ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
+ ath_dbg(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
if (aphy)
hw = aphy->hw;
@@ -1837,9 +1828,8 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
- ath_print(common, ATH_DBG_PS,
- "Going back to sleep after having "
- "received TX status (0x%lx)\n",
+ ath_dbg(common, ATH_DBG_PS,
+ "Going back to sleep after having received TX status (0x%lx)\n",
sc->ps_flags & (PS_WAIT_FOR_BEACON |
PS_WAIT_FOR_CAB |
PS_WAIT_FOR_PSPOLL_DATA |
@@ -1988,9 +1978,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
int status;
int qnum;
- ath_print(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
- txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
- txq->axq_link);
+ ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
+ txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
+ txq->axq_link);
for (;;) {
spin_lock_bh(&txq->axq_lock);
@@ -2105,8 +2095,8 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
}
if (needreset) {
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
- "tx hung, resetting the chip\n");
+ ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
+ "tx hung, resetting the chip\n");
ath9k_ps_wakeup(sc);
ath_reset(sc, true);
ath9k_ps_restore(sc);
@@ -2148,8 +2138,8 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
if (status == -EINPROGRESS)
break;
if (status == -EIO) {
- ath_print(common, ATH_DBG_XMIT,
- "Error processing tx status\n");
+ ath_dbg(common, ATH_DBG_XMIT,
+ "Error processing tx status\n");
break;
}
@@ -2260,16 +2250,16 @@ int ath_tx_init(struct ath_softc *sc, int nbufs)
error = ath_descdma_setup(sc, &sc->tx.txdma, &sc->tx.txbuf,
"tx", nbufs, 1, 1);
if (error != 0) {
- ath_print(common, ATH_DBG_FATAL,
- "Failed to allocate tx descriptors: %d\n", error);
+ ath_err(common,
+ "Failed to allocate tx descriptors: %d\n", error);
goto err;
}
error = ath_descdma_setup(sc, &sc->beacon.bdma, &sc->beacon.bbuf,
"beacon", ATH_BCBUF, 1, 1);
if (error != 0) {
- ath_print(common, ATH_DBG_FATAL,
- "Failed to allocate beacon descriptors: %d\n", error);
+ ath_err(common,
+ "Failed to allocate beacon descriptors: %d\n", error);
goto err;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-01-13 20:26:57 +0000