diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 85 |
1 files changed, 44 insertions, 41 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 6f442b02b83e..5ba79b935f09 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -253,6 +253,7 @@ 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); @@ -273,7 +274,7 @@ void rt2x00lib_txdone(struct queue_entry *entry, /* * Unmap the skb. */ - rt2x00queue_unmap_skb(rt2x00dev, entry->skb); + rt2x00queue_unmap_skb(entry); /* * Remove the extra tx headroom from the skb. @@ -432,42 +433,50 @@ static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev, struct ieee80211_supported_band *sband; const struct rt2x00_rate *rate; unsigned int i; - int signal; - int type; + int signal = rxdesc->signal; + int type = (rxdesc->dev_flags & RXDONE_SIGNAL_MASK); - /* - * 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; + 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; @@ -481,14 +490,14 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev, * 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. @@ -523,18 +532,12 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev, 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 |