[PATCH v3] wifi: ath12k: Add support to enqueue management frame at MLD level

[Vasanthakumar Thiagarajan]

On 7/11/2025 2:47 PM, Roopni Devanathan wrote:
> From: Sriram R <quic_srirrama at quicinc.com>
> 
> A multi-link client can use any link for transmissions. It can decide to
> put one link in power save mode for longer periods while listening on the
> other links as per MLD listen interval. Unicast management frames sent to
> that link station might get dropped if that link station is in power save
> mode or inactive. In such cases, firmware can take decision on which link
> to use.
> 
> Allow the firmware to decide on which link management frame should be
> sent on, by filling the hardware link with maximum value of u32, so that
> the firmware will not have a specific link to transmit data on and so
> the management frames will be link agnostic. For QCN devices, all action
> frames are marked as link agnostic. For WCN devices, if the device is
> configured as an AP, then all frames other than probe response frames,
> authentication frames, association response frames, re-association response
> frames and ADDBA response frames are marked as link agnostic and if the
> device is configured as a station, then all frames other than probe request
> frames, authentication frames, de-authentication frames and ADDBA response
> frames are marked as link agnostic.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> Signed-off-by: Sriram R <quic_srirrama at quicinc.com>
> Co-developed-by: Roopni Devanathan <quic_rdevanat at quicinc.com>
> Signed-off-by: Roopni Devanathan <quic_rdevanat at quicinc.com>

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>