[PATCH ath-next] wifi: ath12k: Add support to enqueue management frame at MLD level

[Jeff Johnson]

On 7/2/2025 10:17 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 request 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 and ADDBA request 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>
> ---
>  drivers/net/wireless/ath/ath12k/core.h |  1 +
>  drivers/net/wireless/ath/ath12k/hw.c   | 55 +++++++++++++++++++++++++
>  drivers/net/wireless/ath/ath12k/hw.h   |  2 +
>  drivers/net/wireless/ath/ath12k/mac.c  |  5 ++-
>  drivers/net/wireless/ath/ath12k/peer.c |  2 +-
>  drivers/net/wireless/ath/ath12k/peer.h |  1 +
>  drivers/net/wireless/ath/ath12k/wmi.c  | 56 ++++++++++++++++++++++++--
>  drivers/net/wireless/ath/ath12k/wmi.h  | 16 +++++++-
>  8 files changed, 130 insertions(+), 8 deletions(-)

This no longer applies cleanly to ath/main, please rebase

Applying: wifi: ath12k: Add support to enqueue management frame at MLD level
Using index info to reconstruct a base tree...
M       drivers/net/wireless/ath/ath12k/core.h
M       drivers/net/wireless/ath/ath12k/mac.c
M       drivers/net/wireless/ath/ath12k/peer.h
Falling back to patching base and 3-way merge...
Auto-merging drivers/net/wireless/ath/ath12k/peer.h
CONFLICT (content): Merge conflict in drivers/net/wireless/ath/ath12k/peer.h
Auto-merging drivers/net/wireless/ath/ath12k/mac.c
Auto-merging drivers/net/wireless/ath/ath12k/core.h
Recorded preimage for 'drivers/net/wireless/ath/ath12k/peer.h'
error: Failed to merge in the changes.
Patch failed at 0001 wifi: ath12k: Add support to enqueue management frame at MLD level