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path: root/drivers/net/wireless/mediatek/mt76/mac80211.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mac80211.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mac80211.c68
1 files changed, 51 insertions, 17 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 85f8d324ebf8..4f30cdcd2b53 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -119,6 +119,52 @@ static int mt76_led_init(struct mt76_dev *dev)
return devm_led_classdev_register(dev->dev, &dev->led_cdev);
}
+static void mt76_init_stream_cap(struct mt76_dev *dev,
+ struct ieee80211_supported_band *sband,
+ bool vht)
+{
+ struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
+ int i, nstream = __sw_hweight8(dev->antenna_mask);
+ struct ieee80211_sta_vht_cap *vht_cap;
+ u16 mcs_map = 0;
+
+ if (nstream > 1)
+ ht_cap->cap |= IEEE80211_HT_CAP_TX_STBC;
+ else
+ ht_cap->cap &= ~IEEE80211_HT_CAP_TX_STBC;
+
+ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
+ ht_cap->mcs.rx_mask[i] = i < nstream ? 0xff : 0;
+
+ if (!vht)
+ return;
+
+ vht_cap = &sband->vht_cap;
+ if (nstream > 1)
+ vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC;
+ else
+ vht_cap->cap &= ~IEEE80211_VHT_CAP_TXSTBC;
+
+ for (i = 0; i < 8; i++) {
+ if (i < nstream)
+ mcs_map |= (IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2));
+ else
+ mcs_map |=
+ (IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2));
+ }
+ vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
+ vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
+}
+
+void mt76_set_stream_caps(struct mt76_dev *dev, bool vht)
+{
+ if (dev->cap.has_2ghz)
+ mt76_init_stream_cap(dev, &dev->sband_2g.sband, false);
+ if (dev->cap.has_5ghz)
+ mt76_init_stream_cap(dev, &dev->sband_5g.sband, vht);
+}
+EXPORT_SYMBOL_GPL(mt76_set_stream_caps);
+
static int
mt76_init_sband(struct mt76_dev *dev, struct mt76_sband *msband,
const struct ieee80211_channel *chan, int n_chan,
@@ -128,7 +174,6 @@ mt76_init_sband(struct mt76_dev *dev, struct mt76_sband *msband,
struct ieee80211_sta_ht_cap *ht_cap;
struct ieee80211_sta_vht_cap *vht_cap;
void *chanlist;
- u16 mcs_map;
int size;
size = n_chan * sizeof(*chan);
@@ -153,34 +198,20 @@ mt76_init_sband(struct mt76_dev *dev, struct mt76_sband *msband,
IEEE80211_HT_CAP_GRN_FLD |
IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_SGI_40 |
- IEEE80211_HT_CAP_TX_STBC |
(1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
- ht_cap->mcs.rx_mask[0] = 0xff;
- ht_cap->mcs.rx_mask[1] = 0xff;
ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_4;
+ mt76_init_stream_cap(dev, sband, vht);
+
if (!vht)
return 0;
vht_cap = &sband->vht_cap;
vht_cap->vht_supported = true;
-
- mcs_map = (IEEE80211_VHT_MCS_SUPPORT_0_9 << (0 * 2)) |
- (IEEE80211_VHT_MCS_SUPPORT_0_9 << (1 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (2 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (3 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (4 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (5 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (6 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (7 * 2));
-
- vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC |
- IEEE80211_VHT_CAP_TXSTBC |
IEEE80211_VHT_CAP_RXSTBC_1 |
IEEE80211_VHT_CAP_SHORT_GI_80;
@@ -262,6 +293,9 @@ int mt76_register_device(struct mt76_dev *dev, bool vht,
wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
+ wiphy->available_antennas_tx = dev->antenna_mask;
+ wiphy->available_antennas_rx = dev->antenna_mask;
+
hw->txq_data_size = sizeof(struct mt76_txq);
hw->max_tx_fragments = 16;