From: patchwork-bot+netdevbpf@kernel.org
To: Pengfei Zhang <zhangfeionline@gmail.com>
Cc: maxime.chevallier@bootlin.com, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org,
pabeni@redhat.com, mcoquelin.stm32@gmail.com,
alexandre.torgue@foss.st.com, Jose.Abreu@synopsys.com,
zhangpengfei16@xiaomi.com, netdev@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net: stmmac: fix RX coalesce frames counter
Date: Fri, 16 Oct 2026 00:10:10 +0000 [thread overview]
Message-ID: <179210941077.4168191.1895696190084335171.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261009111138.320089-1-zhangfeionline@gmail.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 9 Oct 2026 19:11:37 +0800 you wrote:
> The RX refill path should set the IC bit once every rx_coal_frames
> descriptors and leave the rest to the RX watchdog (RIWT), as done by
> commit d429b66e2ebc ("net: stmmac: Implement RX Coalesce Frames
> setting").
>
> Since commit 6fa9d691b91a ("net: stmmac: Prevent divide-by-zero") the
> counter is increased by N+1 for each descriptor and then compared
> against N, so it is always reset to 0. With a non-zero rx-frames, IC is
> therefore set on every descriptor and every frame raises an interrupt.
>
> [...]
Here is the summary with links:
- [net] net: stmmac: fix RX coalesce frames counter
https://git.kernel.org/netdev/net-next/c/0d20963e0aeb
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-10-16 0:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 11:11 Pengfei Zhang
2026-10-09 11:14 ` netdev-bot+sinfo
2026-10-13 6:09 ` Pengfei Zhang
2026-10-16 0:10 ` patchwork-bot+netdevbpf [this message]
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