mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 21:41:53 +02:00
b4ab847b2d
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20968 3c298f89-4303-0410-b956-a3cf2f4a3e73
73 lines
2.1 KiB
Diff
73 lines
2.1 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/init.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/init.c
|
|
@@ -176,6 +176,18 @@ static const struct ath_ops ath9k_common
|
|
.write = ath9k_iowrite32,
|
|
};
|
|
|
|
+static int count_streams(unsigned int chainmask, int max)
|
|
+{
|
|
+ int streams = 0;
|
|
+
|
|
+ do {
|
|
+ if (++streams == max)
|
|
+ break;
|
|
+ } while ((chainmask = chainmask & (chainmask - 1)));
|
|
+
|
|
+ return streams;
|
|
+}
|
|
+
|
|
/**************************/
|
|
/* Initialization */
|
|
/**************************/
|
|
@@ -183,8 +195,10 @@ static const struct ath_ops ath9k_common
|
|
static void setup_ht_cap(struct ath_softc *sc,
|
|
struct ieee80211_sta_ht_cap *ht_info)
|
|
{
|
|
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ struct ath_hw *ah = sc->sc_ah;
|
|
+ struct ath_common *common = ath9k_hw_common(ah);
|
|
u8 tx_streams, rx_streams;
|
|
+ int i, max_streams;
|
|
|
|
ht_info->ht_supported = true;
|
|
ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
|
|
@@ -198,25 +212,28 @@ static void setup_ht_cap(struct ath_soft
|
|
ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
|
|
ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
|
|
|
|
+ if (AR_SREV_9300_20_OR_LATER(ah))
|
|
+ max_streams = 3;
|
|
+ else
|
|
+ max_streams = 2;
|
|
+
|
|
/* set up supported mcs set */
|
|
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
|
|
- tx_streams = !(common->tx_chainmask & (common->tx_chainmask - 1)) ?
|
|
- 1 : 2;
|
|
- rx_streams = !(common->rx_chainmask & (common->rx_chainmask - 1)) ?
|
|
- 1 : 2;
|
|
+ tx_streams = count_streams(common->tx_chainmask, max_streams);
|
|
+ rx_streams = count_streams(common->rx_chainmask, max_streams);
|
|
+
|
|
+ ath_print(common, ATH_DBG_CONFIG,
|
|
+ "TX streams %d, RX streams: %d\n",
|
|
+ tx_streams, rx_streams);
|
|
|
|
if (tx_streams != rx_streams) {
|
|
- ath_print(common, ATH_DBG_CONFIG,
|
|
- "TX streams %d, RX streams: %d\n",
|
|
- tx_streams, rx_streams);
|
|
ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
|
|
ht_info->mcs.tx_params |= ((tx_streams - 1) <<
|
|
IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
|
|
}
|
|
|
|
- ht_info->mcs.rx_mask[0] = 0xff;
|
|
- if (rx_streams >= 2)
|
|
- ht_info->mcs.rx_mask[1] = 0xff;
|
|
+ for (i = 0; i < rx_streams; i++)
|
|
+ ht_info->mcs.rx_mask[i] = 0xff;
|
|
|
|
ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
|
|
}
|