From cb7433cc5cd4d07175dbc41f5a19966e9fae48be Mon Sep 17 00:00:00 2001 From: Sarika Sharma Date: Fri, 11 Apr 2025 11:45:22 +0530 Subject: [PATCH] wifi: ath12k: using msdu end descriptor to check for rx multicast packets Currently, the RX multicast broadcast packet check is performed using bit 15 from the info6 field of the MPDU start descriptor. This check can also be done using bit 9 from the info5 field of the MSDU end descriptor. However, in some scenarios multicast bit is not set when fetched from MPDU start descriptor. Therefore, checking the RX multicast broadcast packet from the MSDU end descriptor is more reliable as it is per MSDU. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sarika Sharma Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250411061523.859387-2-quic_sarishar@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/hal.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c index d00869a33fea0..12d0f991a47fa 100644 --- a/drivers/net/wireless/ath/ath12k/hal.c +++ b/drivers/net/wireless/ath/ath12k/hal.c @@ -449,8 +449,8 @@ static u8 *ath12k_hw_qcn9274_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc) static bool ath12k_hw_qcn9274_rx_desc_is_da_mcbc(struct hal_rx_desc *desc) { - return __le32_to_cpu(desc->u.qcn9274.mpdu_start.info6) & - RX_MPDU_START_INFO6_MCAST_BCAST; + return __le16_to_cpu(desc->u.qcn9274.msdu_end.info5) & + RX_MSDU_END_INFO5_DA_IS_MCBC; } static void ath12k_hw_qcn9274_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc, @@ -902,8 +902,8 @@ static u8 *ath12k_hw_qcn9274_compact_rx_desc_mpdu_start_addr2(struct hal_rx_desc static bool ath12k_hw_qcn9274_compact_rx_desc_is_da_mcbc(struct hal_rx_desc *desc) { - return __le32_to_cpu(desc->u.qcn9274_compact.mpdu_start.info6) & - RX_MPDU_START_INFO6_MCAST_BCAST; + return __le16_to_cpu(desc->u.qcn9274_compact.msdu_end.info5) & + RX_MSDU_END_INFO5_DA_IS_MCBC; } static void ath12k_hw_qcn9274_compact_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc, -- 2.47.2