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| /openbmc/linux/drivers/net/wireless/ath/ath12k/ |
| H A D | hal.c | diff 3f6548bae353014b322f54de7aee3e1f47008216 Mon Jan 29 00:57:15 CST 2024 Raj Kumar Bhagat <quic_rajkbhag@quicinc.com> wifi: ath12k: fix fetching MCBC flag for QCN9274
[ Upstream commit 902700d55d4a4522bb3eb4ef94f752a19c42230a ]
In QCN9274, RX packet's multicast and broadcast(MCBC) flag is fetched
from RX descriptor's msdu_end info5 member but it is not correct
for QCN9274. Due to this with encryption, ARP request packet is wrongly
marked as MCBC packet and it is sent to mac80211 without setting
RX_FLAG_PN_VALIDATED & RX_FLAG_DECRYPTED flag. This results in packet
getting dropped in mac80211. Hence ping initiated from station to AP
fails.
Fix this by fetching correct MCBC flag in case of QCN9274.
For QC9274 MCBC flag should be fetched from RX descriptor's mpdu_start
info6 member.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00188-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: 8f04852e90cb ("wifi: ath12k: Use msdu_end to check MCBC")
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240129065724.2310207-5-quic_rajkbhag@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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