superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

wifi: ath12k: fix incorrect handling of AMSDU frames 

When a data traffic with size greater than 1500 is initiated,
say size 65500, it is sent as a set of AMSDUs (3 MSDUs)
in a MPDU.

These AMSDUs are incorrectly classified as multicast
and peer id gets changed, except for first msdu,
because of mcast_bcast bit derived from rx_desc
for every msdu received.

The mcast_bcast bit in rx_desc is only valid for
first msdu. Hence, add changes to derive mcast_bcast
only if it is a first msdu.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230320090400.30027-1-quic_hprem@quicinc.com
pull/795/merge
Harshitha Prem 2023-03-20 14:34:00 +05:30 committed by Kalle Valo
parent e93bbd6554
commit 392b6b76fd
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/ath/ath12k/dp_rx.c
View File

@ -196,7 +196,8 @@ static void ath12k_dp_rxdesc_set_msdu_len(struct ath12k_base *ab,
static bool ath12k_dp_rx_h_is_mcbc(struct ath12k_base *ab,
struct hal_rx_desc *desc)
{
return ab->hw_params->hal_ops->rx_desc_is_mcbc(desc);
return (ath12k_dp_rx_h_first_msdu(ab, desc) &&
ab->hw_params->hal_ops->rx_desc_is_mcbc(desc));
}
static bool ath12k_dp_rxdesc_mac_addr2_valid(struct ath12k_base *ab,