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wifi: ath12k: using msdu end descriptor to check for rx multicast packets

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[ Upstream commit cb7433cc5cd4d07175dbc41f5a19966e9fae48be ]

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 <quic_sarishar@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250411061523.859387-2-quic_sarishar@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sarika Sharma
2025-04-11 11:45:22 +05:30
committed by Greg Kroah-Hartman
parent 9f20f96511
commit f66971c608
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/ath/ath12k/hal.c
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@@ -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,