Update max rx len of some hw modules, which aligns out vendor SDK. In normal modes, we exchange MPDU 7991 cap with peers; however, this won't play a part in sniffer mode. To prevent packets which exceed the max MPDU size from entering specific rx path in hw, we need to set a proper limit to filter them out. Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7915/init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 274b30a58f05..b77647b4575e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -386,7 +386,7 @@ mt7915_mac_init_band(struct mt7915_dev *dev, u8 band) FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF); mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set); - mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536); + mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 0x680); /* disable rx rate report by default due to hw issues */ mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN); } @@ -395,7 +395,7 @@ static void mt7915_mac_init(struct mt7915_dev *dev) { int i; - mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536); + mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 0x400); /* enable hardware de-agg */ mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); -- 2.29.2