This is a note to let you know that I've just added the patch titled
wifi: ath12k: fix the issue that the multicast/broadcast indicator is not read correctly for WCN7850
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-ath12k-fix-the-issue-that-the-multicast-broadca.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 097bb9ba05bc179efc960c0b3d858b8dd53fbffb
Author: Lingbo Kong <quic_lingbok@xxxxxxxxxxx>
Date: Wed Dec 6 22:17:59 2023 +0800
wifi: ath12k: fix the issue that the multicast/broadcast indicator is not read correctly for WCN7850
[ Upstream commit 7133b072dfbfac8763ffb017642c9c894894c50d ]
We observe some packets are discarded in ieee80211_rx_handlers_result
function for WCN7850. This is because the way to get multicast/broadcast
indicator with RX_MSDU_END_INFO5_DA_IS_MCBC & info5 is incorrect. It should
use RX_MSDU_END_INFO13_MCAST_BCAST & info13 to get multicast/broadcast
indicator.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Lingbo Kong <quic_lingbok@xxxxxxxxxxx>
Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231206141759.5430-1-quic_lingbok@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c
index e7a150e7158e..b49a4add8828 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_da_mcbc(struct hal_rx_desc *desc)
{
- return __le16_to_cpu(desc->u.wcn7850.msdu_end.info5) &
- RX_MSDU_END_INFO5_DA_IS_MCBC;
+ return __le32_to_cpu(desc->u.wcn7850.msdu_end.info13) &
+ RX_MSDU_END_INFO13_MCAST_BCAST;
}
static void ath12k_hw_wcn7850_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc,
