Commit cb7433cc authored by Sarika Sharma's avatar Sarika Sharma Committed by Jeff Johnson
Browse files

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: default avatarSarika Sharma <quic_sarishar@quicinc.com>
Reviewed-by: default avatarVasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250411061523.859387-2-quic_sarishar@quicinc.com


Signed-off-by: default avatarJeff Johnson <jeff.johnson@oss.qualcomm.com>
parent 13324cec

drivers/net/wireless/ath/ath12k/hal.c

+4 −4
Original line number Diff line number Diff line
@@ -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,