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

[Roopni Devanathan]

On 7/8/2025 9:37 PM, Jeff Johnson wrote:
> 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
Sure I'll send a re-based version.