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mt76x2: increase OFDM SIFS time

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Fixes throughput issues in combination with LDPC

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Felix Fietkau 2017-12-14 16:39:09 +01:00 committed by Kalle Valo
parent c2d4c8723d
commit ed6b437081
1 changed files with 1 additions and 8 deletions
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9
drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
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@ -325,8 +325,7 @@ mt76x2_configure_tx_delay(struct mt76x2_dev *dev, enum nl80211_band band, u8 bw)
mt76_wr(dev, MT_TX_SW_CFG0, cfg0); mt76_wr(dev, MT_TX_SW_CFG0, cfg0);
mt76_wr(dev, MT_TX_SW_CFG1, cfg1); mt76_wr(dev, MT_TX_SW_CFG1, cfg1);
mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_CCK_SIFS, mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS, 15);
13 + (bw ? 1 : 0));
} }
static void static void
@ -559,7 +558,6 @@ int mt76x2_phy_set_channel(struct mt76x2_dev *dev,
u8 bw, bw_index; u8 bw, bw_index;
int freq, freq1; int freq, freq1;
int ret; int ret;
u8 sifs = 13;
dev->cal.channel_cal_done = false; dev->cal.channel_cal_done = false;
freq = chandef->chan->center_freq; freq = chandef->chan->center_freq;
@ -611,11 +609,6 @@ int mt76x2_phy_set_channel(struct mt76x2_dev *dev,
MT_EXT_CCA_CFG_CCA_MASK), MT_EXT_CCA_CFG_CCA_MASK),
ext_cca_chan[ch_group_index]); ext_cca_chan[ch_group_index]);
if (chandef->width >= NL80211_CHAN_WIDTH_40)
sifs++;
mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS, sifs);
ret = mt76x2_mcu_set_channel(dev, channel, bw, bw_index, scan); ret = mt76x2_mcu_set_channel(dev, channel, bw, bw_index, scan);
if (ret) if (ret)
return ret; return ret;