From: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
To: Yingying Tang <yingying.tang@oss.qualcomm.com>,
ath12k@lists.infradead.org
Cc: linux-wireless@vger.kernel.org, yintang@qti.qualcomm.com
Subject: Re: [PATCH ath-next] wifi: ath12k: change MAC buffer ring size to 4096
Date: Mon, 29 Jun 2026 10:16:10 +0800 [thread overview]
Message-ID: <f265457d-a876-4e5d-8cac-25b5fe2180d0@oss.qualcomm.com> (raw)
In-Reply-To: <20260610031358.2043716-1-yingying.tang@oss.qualcomm.com>
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@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
next prev parent reply other threads:[~2026-06-29 2:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-10 3:13 [PATCH ath-next] wifi: ath12k: change MAC buffer ring size to 4096 Yingying Tang
2026-06-29 2:16 ` Baochen Qiang [this message]
2026-06-29 5:40 ` Rameshkumar Sundaram
2026-06-30 21:26 ` Jeff Johnson
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