ath: move the rx bufsize to common to share with ath5k/ath9k
This will also be used by ath9k_htc.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 4420a58..48ff772 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -48,6 +48,7 @@
static void ath_rx_buf_link(struct ath_softc *sc, struct ath_buf *bf)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_desc *ds;
struct sk_buff *skb;
@@ -62,11 +63,13 @@
BUG_ON(skb == NULL);
ds->ds_vdata = skb->data;
- /* setup rx descriptors. The rx.bufsize here tells the harware
+ /*
+ * setup rx descriptors. The rx_bufsize here tells the hardware
* how much data it can DMA to us and that we are prepared
- * to process */
+ * to process
+ */
ath9k_hw_setuprxdesc(ah, ds,
- sc->rx.bufsize,
+ common->rx_bufsize,
0);
if (sc->rx.rxlink == NULL)
@@ -344,11 +347,11 @@
sc->sc_flags &= ~SC_OP_RXFLUSH;
spin_lock_init(&sc->rx.rxbuflock);
- sc->rx.bufsize = roundup(IEEE80211_MAX_MPDU_LEN,
- min(common->cachelsz, (u16)64));
+ common->rx_bufsize = roundup(IEEE80211_MAX_MPDU_LEN,
+ min(common->cachelsz, (u16)64));
ath_print(common, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n",
- common->cachelsz, sc->rx.bufsize);
+ common->cachelsz, common->rx_bufsize);
/* Initialize rx descriptors */
@@ -361,7 +364,7 @@
}
list_for_each_entry(bf, &sc->rx.rxbuf, list) {
- skb = ath_rxbuf_alloc(common, sc->rx.bufsize, GFP_KERNEL);
+ skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_KERNEL);
if (skb == NULL) {
error = -ENOMEM;
goto err;
@@ -369,7 +372,7 @@
bf->bf_mpdu = skb;
bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
- sc->rx.bufsize,
+ common->rx_bufsize,
DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(sc->dev,
bf->bf_buf_addr))) {
@@ -393,6 +396,8 @@
void ath_rx_cleanup(struct ath_softc *sc)
{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct sk_buff *skb;
struct ath_buf *bf;
@@ -400,7 +405,7 @@
skb = bf->bf_mpdu;
if (skb) {
dma_unmap_single(sc->dev, bf->bf_buf_addr,
- sc->rx.bufsize, DMA_FROM_DEVICE);
+ common->rx_bufsize, DMA_FROM_DEVICE);
dev_kfree_skb(skb);
}
}
@@ -780,7 +785,7 @@
* 2. requeueing the same buffer to h/w
*/
dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
- sc->rx.bufsize,
+ common->rx_bufsize,
DMA_FROM_DEVICE);
hdr = (struct ieee80211_hdr *) skb->data;
@@ -797,7 +802,7 @@
goto requeue;
/* The status portion of the descriptor could get corrupted. */
- if (sc->rx.bufsize < rx_stats->rs_datalen)
+ if (common->rx_bufsize < rx_stats->rs_datalen)
goto requeue;
if (!ath_rx_prepare(common, hw, skb, rx_stats,
@@ -806,7 +811,7 @@
/* Ensure we always have an skb to requeue once we are done
* processing the current buffer's skb */
- requeue_skb = ath_rxbuf_alloc(common, sc->rx.bufsize, GFP_ATOMIC);
+ requeue_skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_ATOMIC);
/* If there is no memory we ignore the current RX'd frame,
* tell hardware it can give us a new frame using the old
@@ -817,7 +822,7 @@
/* Unmap the frame */
dma_unmap_single(sc->dev, bf->bf_buf_addr,
- sc->rx.bufsize,
+ common->rx_bufsize,
DMA_FROM_DEVICE);
skb_put(skb, rx_stats->rs_datalen);
@@ -860,8 +865,8 @@
/* We will now give hardware our shiny new allocated skb */
bf->bf_mpdu = requeue_skb;
bf->bf_buf_addr = dma_map_single(sc->dev, requeue_skb->data,
- sc->rx.bufsize,
- DMA_FROM_DEVICE);
+ common->rx_bufsize,
+ DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(sc->dev,
bf->bf_buf_addr))) {
dev_kfree_skb_any(requeue_skb);