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path: root/drivers/net/wireless/ath/ath9k/beacon.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/beacon.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 4d4b22d52dfd..4ed010d4ef96 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -136,9 +136,10 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
bf = avp->av_bcbuf;
skb = bf->bf_mpdu;
if (skb) {
- dma_unmap_single(sc->dev, bf->bf_dmacontext,
+ dma_unmap_single(sc->dev, bf->bf_buf_addr,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);
+ bf->bf_buf_addr = 0;
}
/* Get a new beacon from mac80211 */
@@ -162,12 +163,12 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
}
- bf->bf_buf_addr = bf->bf_dmacontext =
- dma_map_single(sc->dev, skb->data,
- skb->len, DMA_TO_DEVICE);
+ bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
+ skb->len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
+ bf->bf_buf_addr = 0;
ath_print(common, ATH_DBG_FATAL,
"dma_mapping_error on beaconing\n");
return NULL;
@@ -252,10 +253,11 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
bf = avp->av_bcbuf;
if (bf->bf_mpdu != NULL) {
skb = bf->bf_mpdu;
- dma_unmap_single(sc->dev, bf->bf_dmacontext,
+ dma_unmap_single(sc->dev, bf->bf_buf_addr,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
+ bf->bf_buf_addr = 0;
}
/* NB: the beacon data buffer must be 32-bit aligned. */
@@ -296,12 +298,12 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
avp->tsf_adjust = cpu_to_le64(0);
bf->bf_mpdu = skb;
- bf->bf_buf_addr = bf->bf_dmacontext =
- dma_map_single(sc->dev, skb->data,
- skb->len, DMA_TO_DEVICE);
+ bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
+ skb->len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
+ bf->bf_buf_addr = 0;
ath_print(common, ATH_DBG_FATAL,
"dma_mapping_error on beacon alloc\n");
return -ENOMEM;
@@ -324,10 +326,11 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp)
bf = avp->av_bcbuf;
if (bf->bf_mpdu != NULL) {
struct sk_buff *skb = bf->bf_mpdu;
- dma_unmap_single(sc->dev, bf->bf_dmacontext,
+ dma_unmap_single(sc->dev, bf->bf_buf_addr,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
+ bf->bf_buf_addr = 0;
}
list_add_tail(&bf->list, &sc->beacon.bbuf);
@@ -359,11 +362,12 @@ void ath_beacon_tasklet(unsigned long data)
sc->beacon.bmisscnt++;
if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
- ath_print(common, ATH_DBG_BEACON,
+ ath_print(common, ATH_DBG_BSTUCK,
"missed %u consecutive beacons\n",
sc->beacon.bmisscnt);
+ ath9k_hw_bstuck_nfcal(ah);
} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
- ath_print(common, ATH_DBG_BEACON,
+ ath_print(common, ATH_DBG_BSTUCK,
"beacon is officially stuck\n");
sc->sc_flags |= SC_OP_TSF_RESET;
ath_reset(sc, false);
@@ -373,7 +377,7 @@ void ath_beacon_tasklet(unsigned long data)
}
if (sc->beacon.bmisscnt != 0) {
- ath_print(common, ATH_DBG_BEACON,
+ ath_print(common, ATH_DBG_BSTUCK,
"resume beacon xmit after %u misses\n",
sc->beacon.bmisscnt);
sc->beacon.bmisscnt = 0;