2021-09-06 11:48:00

by Shayne Chen

[permalink] [raw]
Subject: [PATCH v2 7/8] mt76: mt7915: set VTA bit in tx descriptor

The VTA (Valid for Txd Arrival time) bit should be set in tx descriptor,
which is necessary for WM fw to schedule SPL (station priority list)
normally before generating txcmd.
If it's not set, some unexpected wcids may be involved in SPL.

Suggested-by: Nelson Chang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 1b8e37e265cb..497ae9935116 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1034,7 +1034,7 @@ void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
txwi[0] = cpu_to_le32(val);

- val = MT_TXD1_LONG_FORMAT |
+ val = MT_TXD1_LONG_FORMAT | MT_TXD1_VTA |
FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);

--
2.25.1