From: patchwork-bot+netdevbpf@kernel.org
To: Ovidiu Panait <ovidiu.panait.rb@renesas.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, xiaoliang.yang_1@nxp.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 0/2] net: stmmac: Track and report the TX DMA threshold per queue
Date: Wed, 21 Oct 2026 00:10:13 +0000 [thread overview]
Message-ID: <179254141377.280032.3757273474047179369.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261013114503.57487-1-ovidiu.panait.rb@renesas.com>
Hello:
This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 13 Oct 2026 11:45:01 +0000 you wrote:
> On the Renesas RZ/V2H platform, which has two dwmac4 controllers, we
> observed sporadic iperf3 TCP TX failures on one of the controllers, with
> throughput dropping from >900Mbit/s to ~1Mbit/s due to TX underflows and
> the resulting retransmissions.
>
> Commit 3a6c12a0c6c3 ("net: stmmac: bump tc when get underflow error from
> DMA descriptor") made dwmac4 raise the DMA threshold of the queues that
> report TX underflows, by increasing a global module parameter 'tc'.
> However, this logic does not work correctly across multiple queues and
> controllers, and can leave the TX DMA threshold stuck at 64 bytes.
>
> [...]
Here is the summary with links:
- [net,1/2] net: stmmac: Track the TX DMA threshold per queue
https://git.kernel.org/netdev/net-next/c/9dd534187819
- [net,2/2] net: stmmac: Report the TX DMA threshold per queue
https://git.kernel.org/netdev/net-next/c/aee7b59e6e7b
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-10-21 0:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-13 11:45 [PATCH net 0/2] net: stmmac: Track and report the TX DMA threshold per queue Ovidiu Panait
2026-10-13 11:45 ` [PATCH net 1/2] net: stmmac: Track " Ovidiu Panait
2026-10-13 12:45 ` Maxime Chevallier
2026-10-13 11:45 ` [PATCH net 2/2] net: stmmac: Report " Ovidiu Panait
2026-10-13 12:44 ` [PATCH net 0/2] net: stmmac: Track and report " Maxime Chevallier
2026-10-20 22:29 ` Jakub Kicinski
2026-10-21 0:10 ` patchwork-bot+netdevbpf [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=179254141377.280032.3757273474047179369.git-patchwork-notify@kernel.org \
--to=patchwork-bot+netdevbpf@kernel.org \
--cc=alexandre.torgue@foss.st.com \
--cc=andrew+netdev@lunn.ch \
--cc=davem@davemloft.net \
--cc=edumazet@kernel.org \
--cc=kuba@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-stm32@st-md-mailman.stormreply.com \
--cc=maxime.chevallier@bootlin.com \
--cc=mcoquelin.stm32@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=ovidiu.panait.rb@renesas.com \
--cc=pabeni@redhat.com \
--cc=xiaoliang.yang_1@nxp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox