We are seeing a very low TCP throughput testing with some specific tools. This is because for sub-frames of an AMSDU, MCBC flag in mpdu_start may be not valid, and as a result those frames would be dropped by kernel. Change to get it from msdu_end. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Baochen Qiang <quic_bqiang@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath12k/hal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c index 0ec53afe9915..980ec2024b37 100644 --- a/drivers/net/wireless/ath/ath12k/hal.c +++ b/drivers/net/wireless/ath/ath12k/hal.c @@ -889,8 +889,8 @@ static u8 *ath12k_hw_wcn7850_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc) static bool ath12k_hw_wcn7850_rx_desc_is_mcbc(struct hal_rx_desc *desc) { - return __le32_to_cpu(desc->u.wcn7850.mpdu_start.info6) & - RX_MPDU_START_INFO6_MCAST_BCAST; + return __le32_to_cpu(desc->u.wcn7850.msdu_end.info5) & + RX_MSDU_END_INFO5_DA_IS_MCBC; } static void ath12k_hw_wcn7850_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc, base-commit: d276b90ff7f9c51e1f2f8826b7cbb3dff20a4b66 -- 2.25.1