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wifi: ath12k: Add support for 4-address mode

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The current driver does not support enabling 4-address mode data traffic
in WDS mode. Add the required functionality by introducing the
sta_set_4addr() API, which is invoked when a 4-address AP/STA connects.
This API sends the WMI_PEER_USE_4ADDR peer parameter to notify firmware
about the 4-address peer, allowing firmware and hardware to transmit
and receive frames in 4-address format for that peer.

For 4-address multicast packet transmission, update the handling
to set peer metadata values in HAL_TCL_DATA_CMD_INFO1_CMD_NUM instead
of using vdev metadata values. Vdev metadata is used only for 3-address
and 4-address unicast traffic and for 3-address multicast traffic.
The peer metadata path embeds the correct peer_id, enabling proper
multicast transmission in 4-address mode.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.6-01243-QCAHKSWPL_SILICONZ-1

Signed-off-by: Tamizh Chelvam Raja <tamizh.raja@oss.qualcomm.com>
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260525110942.2890212-3-tamizh.raja@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
This commit is contained in:
Tamizh Chelvam Raja 2026-05-25 16:39:38 +05:30 • committed by Jeff Johnson
commit 2f57f737db
8 changed files with 125 additions and 7 deletions
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