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From: Paolo Abeni <pabeni@redhat.com>
To: Feng Yang <yangfeng59949@163.com>,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	horms@kernel.org, willemb@google.com, almasrymina@google.com,
	kerneljasonxing@gmail.com, ebiggers@google.com,
	asml.silence@gmail.com, aleksander.lobakin@intel.com,
	stfomichev@gmail.com, david.laight.linux@gmail.com
Cc: yangfeng@kylinos.cn, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] skbuff: Add MSG_MORE flag to optimize large packet transmission
Date: Thu, 3 Jul 2025 10:48:40 +0200	[thread overview]
Message-ID: <e7275f92-5107-48d2-9a47-435b73c62ef4@redhat.com> (raw)
In-Reply-To: <20250630071029.76482-1-yangfeng59949@163.com>

On 6/30/25 9:10 AM, Feng Yang wrote:
> From: Feng Yang <yangfeng@kylinos.cn>
> 
> The "MSG_MORE" flag is added to improve the transmission performance of large packets.
> The improvement is more significant for TCP, while there is a slight enhancement for UDP.

I'm sorry for the conflicting input, but i fear we can't do this for
UDP: unconditionally changing the wire packet layout may break the
application, and or at very least incur in unexpected fragmentation issues.

/P


  reply	other threads:[~2025-07-03  8:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-30  7:10 Feng Yang
2025-07-03  8:48 ` Paolo Abeni [this message]
2025-07-03 11:44   ` David Laight
2025-07-04  9:26     ` Feng Yang
2025-07-04 15:50       ` Paolo Abeni
2025-07-05  7:16         ` David Laight
2025-07-07  6:17         ` Feng Yang
2025-07-07  7:19           ` Eric Dumazet

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