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mt76x2: add frame protection support

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Introduce mac80211 rts threshold handler in order to add frame
protection support to mt76x2 driver

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Lorenzo Bianconi 2018-07-11 22:02:22 +02:00 committed by Kalle Valo
parent 53c2cb8df3
commit f24909ab39
3 changed files with 47 additions and 0 deletions
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1
drivers/net/wireless/mediatek/mt76/mt76x2.h
View File

@ -222,6 +222,7 @@ int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
u32 *tx_info);
void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
struct mt76_queue_entry *e, bool flush);
void mt76x2_mac_set_tx_protection(struct mt76x2_dev *dev, u32 val);
void mt76x2_pre_tbtt_tasklet(unsigned long arg);

30
drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
View File

@ -854,3 +854,33 @@ void mt76x2_mac_work(struct work_struct *work)
ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mac_work,
MT_CALIBRATE_INTERVAL);
}
void mt76x2_mac_set_tx_protection(struct mt76x2_dev *dev, u32 val)
{
u32 data = 0;
if (val != ~0)
data = FIELD_PREP(MT_PROT_CFG_CTRL, 1) |
MT_PROT_CFG_RTS_THRESH;
mt76_rmw_field(dev, MT_TX_RTS_CFG, MT_TX_RTS_CFG_THRESH, val);
mt76_rmw(dev, MT_CCK_PROT_CFG,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_OFDM_PROT_CFG,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_MM20_PROT_CFG,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_MM40_PROT_CFG,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_GF20_PROT_CFG,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_GF40_PROT_CFG,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_TX_PROT_CFG6,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_TX_PROT_CFG7,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
mt76_rmw(dev, MT_TX_PROT_CFG8,
MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data);
}

16
drivers/net/wireless/mediatek/mt76/mt76x2_main.c
View File

@ -605,6 +605,21 @@ static int mt76x2_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant,
return 0;
}
static int
mt76x2_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
{
struct mt76x2_dev *dev = hw->priv;
if (val != ~0 && val > 0xffff)
return -EINVAL;
mutex_lock(&dev->mutex);
mt76x2_mac_set_tx_protection(dev, val);
mutex_unlock(&dev->mutex);
return 0;
}
const struct ieee80211_ops mt76x2_ops = {
.tx = mt76x2_tx,
.start = mt76x2_start,
@ -631,5 +646,6 @@ const struct ieee80211_ops mt76x2_ops = {
.set_tim = mt76x2_set_tim,
.set_antenna = mt76x2_set_antenna,
.get_antenna = mt76x2_get_antenna,
.set_rts_threshold = mt76x2_set_rts_threshold,
};