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Currently, RX is_mcbc bit is set for packets sent from client as destination address (DA) is multicast/broadcast address, but packets are actually unicast as receiver address (RA) is not multicast address. Hence, packets are not handled properly due to this is_mcbc bit.

Therefore, reset the is_mcbc bit if interface type is AP.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1

Reviewed-by: Vasanthakumar Thiagarajan [email protected]
Link: https://patch.msgid.link/[email protected]

Currently, RX is_mcbc bit is set for packets sent from client as
destination address (DA) is multicast/broadcast address, but packets
are actually unicast as receiver address (RA) is not multicast address.
Hence, packets are not handled properly due to this is_mcbc bit.

Therefore, reset the is_mcbc bit if interface type is AP.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1

Signed-off-by: Sarika Sharma <[email protected]>
Reviewed-by: Vasanthakumar Thiagarajan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jeff Johnson <[email protected]>
@adrian-nicolau adrian-nicolau self-assigned this Oct 31, 2025
@adrian-nicolau adrian-nicolau marked this pull request as ready for review October 31, 2025 14:49
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This PR cherry-picks gregkh@4541b0c

@adrian-nicolau adrian-nicolau merged commit 8283fb6 into tg-v6.12 Nov 2, 2025
@adrian-nicolau adrian-nicolau deleted the VER-289-4addr-Wi-Fi-link-Station-to-AP-ping-fails-until-AP-initiates-ping branch November 3, 2025 14:07
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