[PATCH ath-next] wifi: ath12k: change MAC buffer ring size to 4096

[Baochen Qiang]

On 6/10/2026 11:13 AM, Yingying Tang wrote:
> For WCN7850, MAC buffer ring size is updated to 2048 in
> 955df16f2a4c3 ("wifi: ath12k: change MAC buffer ring size to 2048")
> to increase peak throughput.
> 
> But during the RX process, a phenomenon can still be observed where
> the throughput drops by about 30% from its peak value and then recovers,
> and this behavior repeats during RX.
> 
> After increasing MAC buffer ring size to 4096, the data rate drop has
> gone.
> 
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3
> 
> Signed-off-by: Yingying Tang <yingying.tang at oss.qualcomm.com>

Reviewed-by: Baochen Qiang <baochen.qiang at oss.qualcomm.com>