From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3AC7C32ABEF; Thu, 27 Nov 2025 12:10:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764245445; cv=none; b=dFeFAv42Re+B7Qf/P8hcmNzpiK632whWs2AyFzB1VOYD/jImuqxPMh+u24lDV8XBL3vN85VxO6XDTbTeOQZutjSrAT6OGyP0iuOUwrDkXWhFnBbowRu3lO6qKagGcT/+KUhHWYDOsIuzAdtO1+d9u1qdTYHL81Qf4bI/3kz4/pc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764245445; c=relaxed/simple; bh=uhnsNrqtMtQkysk9EvtLzQf+itpVm8Usek2r6BnT+ak=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=kBw+adTTueb2eW6Z2ZC5BsjzQbumQe4FhUIgQRrN3ecTHWjx068wTRPRzz+1WXtpEwYjtwv7EHPM5PJg90jWIgxuEUrKH0j7mr9E18rtAVlII1msd7oeIx38Li26D2HNnrTz/yyWDUX3ZXJQKpY0j75jsYJUw3OrGvsvfBJqg9k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RO0NRAZl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RO0NRAZl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C802DC4CEF8; Thu, 27 Nov 2025 12:10:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764245444; bh=uhnsNrqtMtQkysk9EvtLzQf+itpVm8Usek2r6BnT+ak=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=RO0NRAZl45XA5ot75mAHnDowIjR04X6kevxTP/ht/X0iW+aJV/HSqd1DkqPUzJ/38 fgQjlsjNIbmzTKhnimVO/Q4XPHv+9aOkw4qaBvEhSfjfRSKhGp9awCsJls/EpcBN// 0wkqkJQhuGucl1fTvtcmKfQaJovPFZWhWvsqnEH+Ibw64NhrYhNTHCVTGSIvhqQLEo bM6DopBszbn9uoufcaoFKgkt25IZ3o8eR7khWLioY+8QJxSjMJRT9Ew2DA4SXydBKQ CIoq1Ylo/saAP8rponTA2pcglH4509X+vLM0zaAk3aH5Raam+16WKfpx2KmYSXlmVm 1qQALIu6z0POQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 710E4380CFEF; Thu, 27 Nov 2025 12:10:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] net: stmmac: dwmac: Disable flushing frames on Rx Buffer Unavailable From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176424540625.2550562.3416257212075007570.git-patchwork-notify@kernel.org> Date: Thu, 27 Nov 2025 12:10:06 +0000 References: <20251126-a10_ext_fix-v1-1-d163507f646f@altera.com> In-Reply-To: <20251126-a10_ext_fix-v1-1-d163507f646f@altera.com> To: G@aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org, Thomas@aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org, Rohan Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, maxime.chevallier@bootlin.com, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, matthew.gerlach@altera.com Hello: This patch was applied to netdev/net-next.git (main) by Paolo Abeni : On Wed, 26 Nov 2025 00:37:12 +0800 you wrote: > From: Rohan G Thomas > > In Store and Forward mode, flushing frames when the receive buffer is > unavailable, can cause the MTL Rx FIFO to go out of sync. This results > in buffering of a few frames in the FIFO without triggering Rx DMA > from transferring the data to the system memory until another packet > is received. Once the issue happens, for a ping request, the packet is > forwarded to the system memory only after we receive another packet > and hece we observe a latency equivalent to the ping interval. > > [...] Here is the summary with links: - [net-next] net: stmmac: dwmac: Disable flushing frames on Rx Buffer Unavailable https://git.kernel.org/netdev/net-next/c/45d100ee0d6e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html