Re: [PATCH ath-next] wifi: ath12k: change MAC buffer ring size to 4096
Baochen Qiang <[email protected]>
| Newsgroups | org.infradead.lists.ath12k,org.kernel.vger.linux-wireless |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]>
Reviewed-by: Baochen Qiang <[email protected]>