}
EXPORT_SYMBOL_GPL(rt2x00lib_pretbtt);
+void rt2x00lib_dmadone(struct queue_entry *entry)
+{
+ clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
+ rt2x00queue_index_inc(entry->queue, Q_INDEX_DMA_DONE);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_dmadone);
+
void rt2x00lib_txdone(struct queue_entry *entry,
struct txdone_entry_desc *txdesc)
{
/*
* Unmap the skb.
*/
- rt2x00queue_unmap_skb(rt2x00dev, entry->skb);
+ rt2x00queue_unmap_skb(entry);
/*
* Remove the extra tx headroom from the skb.
struct ieee80211_supported_band *sband;
const struct rt2x00_rate *rate;
unsigned int i;
- int signal;
- int type;
-
- /*
- * For non-HT rates the MCS value needs to contain the
- * actually used rate modulation (CCK or OFDM).
- */
- if (rxdesc->dev_flags & RXDONE_SIGNAL_MCS)
- signal = RATE_MCS(rxdesc->rate_mode, rxdesc->signal);
- else
- signal = rxdesc->signal;
-
- type = (rxdesc->dev_flags & RXDONE_SIGNAL_MASK);
-
- sband = &rt2x00dev->bands[rt2x00dev->curr_band];
- for (i = 0; i < sband->n_bitrates; i++) {
- rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
-
- if (((type == RXDONE_SIGNAL_PLCP) &&
- (rate->plcp == signal)) ||
- ((type == RXDONE_SIGNAL_BITRATE) &&
- (rate->bitrate == signal)) ||
- ((type == RXDONE_SIGNAL_MCS) &&
- (rate->mcs == signal))) {
- return i;
+ int signal = rxdesc->signal;
+ int type = (rxdesc->dev_flags & RXDONE_SIGNAL_MASK);
+
+ switch (rxdesc->rate_mode) {
+ case RATE_MODE_CCK:
+ case RATE_MODE_OFDM:
+ /*
+ * For non-HT rates the MCS value needs to contain the
+ * actually used rate modulation (CCK or OFDM).
+ */
+ if (rxdesc->dev_flags & RXDONE_SIGNAL_MCS)
+ signal = RATE_MCS(rxdesc->rate_mode, signal);
+
+ sband = &rt2x00dev->bands[rt2x00dev->curr_band];
+ for (i = 0; i < sband->n_bitrates; i++) {
+ rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
+ if (((type == RXDONE_SIGNAL_PLCP) &&
+ (rate->plcp == signal)) ||
+ ((type == RXDONE_SIGNAL_BITRATE) &&
+ (rate->bitrate == signal)) ||
+ ((type == RXDONE_SIGNAL_MCS) &&
+ (rate->mcs == signal))) {
+ return i;
+ }
}
+ break;
+ case RATE_MODE_HT_MIX:
+ case RATE_MODE_HT_GREENFIELD:
+ if (signal >= 0 && signal <= 76)
+ return signal;
+ break;
+ default:
+ break;
}
WARNING(rt2x00dev, "Frame received with unrecognized signal, "
- "signal=0x%.4x, type=%d.\n", signal, type);
+ "mode=0x%.4x, signal=0x%.4x, type=%d.\n",
+ rxdesc->rate_mode, signal, type);
return 0;
}
-void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry)
+void rt2x00lib_rxdone(struct queue_entry *entry)
{
+ struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct rxdone_entry_desc rxdesc;
struct sk_buff *skb;
struct ieee80211_rx_status *rx_status;
* Allocate a new sk_buffer. If no new buffer available, drop the
* received frame and reuse the existing buffer.
*/
- skb = rt2x00queue_alloc_rxskb(rt2x00dev, entry);
+ skb = rt2x00queue_alloc_rxskb(entry);
if (!skb)
- return;
+ goto submit_entry;
/*
* Unmap the skb.
*/
- rt2x00queue_unmap_skb(rt2x00dev, entry->skb);
+ rt2x00queue_unmap_skb(entry);
/*
* Extract the RXD details.
skb_trim(entry->skb, rxdesc.size);
/*
- * Check if the frame was received using HT. In that case,
- * the rate is the MCS index and should be passed to mac80211
- * directly. Otherwise we need to translate the signal to
- * the correct bitrate index.
+ * Translate the signal to the correct bitrate index.
*/
- if (rxdesc.rate_mode == RATE_MODE_CCK ||
- rxdesc.rate_mode == RATE_MODE_OFDM) {
- rate_idx = rt2x00lib_rxdone_read_signal(rt2x00dev, &rxdesc);
- } else {
+ rate_idx = rt2x00lib_rxdone_read_signal(rt2x00dev, &rxdesc);
+ if (rxdesc.rate_mode == RATE_MODE_HT_MIX ||
+ rxdesc.rate_mode == RATE_MODE_HT_GREENFIELD)
rxdesc.flags |= RX_FLAG_HT;
- rate_idx = rxdesc.signal;
- }
/*
* Update extra components
for (i = 0; i < spec->num_channels; i++) {
rt2x00lib_channel(&channels[i],
spec->channels[i].channel,
- spec->channels_info[i].tx_power1, i);
+ spec->channels_info[i].max_power, i);
}
/*
else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
+ /*
+ * Allocate tx status FIFO for driver use.
+ */
+ if (test_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags) &&
+ rt2x00dev->ops->lib->txstatus_tasklet) {
+ /*
+ * Allocate txstatus fifo and tasklet, we use a size of 512
+ * for the kfifo which is big enough to store 512/4=128 tx
+ * status reports. In the worst case (tx status for all tx
+ * queues gets reported before we've got a chance to handle
+ * them) 24*4=384 tx status reports need to be cached.
+ */
+ status = kfifo_alloc(&rt2x00dev->txstatus_fifo, 512,
+ GFP_KERNEL);
+ if (status)
+ return status;
+
+ /* tasklet for processing the tx status reports. */
+ tasklet_init(&rt2x00dev->txstatus_tasklet,
+ rt2x00dev->ops->lib->txstatus_tasklet,
+ (unsigned long)rt2x00dev);
+
+ }
+
/*
* Register HW.
*/
/* Enable the radio */
retval = rt2x00lib_enable_radio(rt2x00dev);
- if (retval) {
- rt2x00queue_uninitialize(rt2x00dev);
+ if (retval)
return retval;
- }
set_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags);
cancel_work_sync(&rt2x00dev->rxdone_work);
cancel_work_sync(&rt2x00dev->txdone_work);
+ /*
+ * Free the tx status fifo.
+ */
+ kfifo_free(&rt2x00dev->txstatus_fifo);
+
+ /*
+ * Kill the tx status tasklet.
+ */
+ tasklet_kill(&rt2x00dev->txstatus_tasklet);
+
/*
* Uninitialize device.
*/
projects / mv-sheeva.git / blobdiff