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From: patchwork-bot+netdevbpf@kernel.org
To: Furong Xu <0x1207@gmail.com>
Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, 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, xfr@outlook.com,
	jonathanh@nvidia.com, bgriffis@nvidia.com, idosch@idosch.org
Subject: Re: [PATCH net v1] net: stmmac: Apply new page pool parameters when SPH is enabled
Date: Tue, 11 Feb 2025 02:20:37 +0000	[thread overview]
Message-ID: <173924043750.3915440.1883546430698083121.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250207085639.13580-1-0x1207@gmail.com>

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Fri,  7 Feb 2025 16:56:39 +0800 you wrote:
> Commit df542f669307 ("net: stmmac: Switch to zero-copy in
> non-XDP RX path") makes DMA write received frame into buffer at offset
> of NET_SKB_PAD and sets page pool parameters to sync from offset of
> NET_SKB_PAD. But when Header Payload Split is enabled, the header is
> written at offset of NET_SKB_PAD, while the payload is written at
> offset of zero. Uncorrect offset parameter for the payload breaks dma
> coherence [1] since both CPU and DMA touch the page buffer from offset
> of zero which is not handled by the page pool sync parameter.
> 
> [...]

Here is the summary with links:
  - [net,v1] net: stmmac: Apply new page pool parameters when SPH is enabled
    https://git.kernel.org/netdev/net/c/cb6cc8ed7717

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2025-02-11  2:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-07  8:56 [PATCH net v1] net: stmmac: Apply new page pool parameters when SPH is enabled Furong Xu
2025-02-07 13:41 ` Jon Hunter
2025-02-07 16:42   ` Thierry Reding
2025-02-10  6:51 ` Ido Schimmel
2025-02-11  2:20 ` patchwork-bot+netdevbpf [this message]

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