Re: [PATCH v2 2/2] wifi: ath12k: Introduce the container for mac80211 hw

Jeff Johnson
2024-01-12T16:39:23Z

On 1/11/2024 6:42 PM, Karthikeyan Periyasamy wrote:
> To support multi link operation, we need to combine all the link/pdev
> under a single wiphy. This avoids the overhead of synchronization
> across multiple hardware instances in both the cfg80211 and mac80211
> layers. Currently, each link/pdev is registered as separate wiphy,
> tightly coupled with link/pdev/radio (ar) structure. To enable single
> wiphy registration within the chip, we decouple the wiphy data entity from
> the link/pdev/radio (ar) structure and move it under the chip (ab)
> structure with a new data container (ath12k_hw) structure. This approach
> improves scalability for future multi link operation support.
>
> mac80211 hw private data structure diagram
> ------------------------------------------
>
> Now After
>
> +---------------------+ +---------------------+
> |mac80211 hw priv data| |mac80211 hw priv data|
> | | | |
> | | | |
> | | | |
> | | | ath12k_hw (ah) |
> | | | |
> | | +-------------------> | |
> | ath12k (ar) | | +-------------+ |
> | | | | | |
> | | | | ath12k (ar) | |
> | | | | | |
> | | | | | |
> | | | +-------------+ |
> | | | |
> | | | |
> +---------------------+ +---------------------+
>
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-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: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>

Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>