netdev - Re: [PATCH net-next v3 00/10] eth: bnxt: maintain basic pkt/byte counters in SW

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Message-ID: <CACKFLimCb_=c+RUr1mwXe3DAJe6Mg2DK9yYPCqRHtCLGVaGVPA@mail.gmail.com>
Date: Thu, 6 Mar 2025 11:25:11 -0800
From: Michael Chan <michael.chan@...adcom.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Taehee Yoo <ap420073@...il.com>, davem@...emloft.net, netdev@...r.kernel.org, 
	edumazet@...gle.com, pabeni@...hat.com, andrew+netdev@...n.ch, 
	horms@...nel.org, pavan.chebbi@...adcom.com, przemyslaw.kitszel@...el.com
Subject: Re: [PATCH net-next v3 00/10] eth: bnxt: maintain basic pkt/byte
 counters in SW

On Thu, Mar 6, 2025 at 7:25 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 6 Mar 2025 19:54:22 +0900 Taehee Yoo wrote:
> > It seems that the driver is supposed to return qstats even if interface
> > is down. So, I think bnxt driver needs to store the sw_stats when the
> > interface is down.
>
> I think the driver already stores the stats on close and will report
> them in "base" values. So all we need in per-queue callbacks is to
> return early, when the interface is down?

Yes, we can check if (!bp->bnapi) and return early.

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