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From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: Wang Zhan <wang.zhan@smartx.com>,
	 netdev@vger.kernel.org,
	 Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc: davem@davemloft.net,  edumazet@google.com,  kuba@kernel.org,
	 pabeni@redhat.com,  horms@kernel.org,  keyong.sun@smartx.com,
	 Wang Zhan <wang.zhan@smartx.com>,
	 Andrew Lunn <andrew+netdev@lunn.ch>,
	 Jason Wang <jasowangio@gmail.com>,
	 Neal Cardwell <ncardwell@google.com>,
	 Kuniyuki Iwashima <kuniyu@google.com>,
	 Alice Mikityanska <alice@isovalent.com>,
	 Ilya Maximets <i.maximets@ovn.org>,
	 Aaron Conole <aconole@redhat.com>,
	 Eelco Chaudron <echaudro@redhat.com>,
	 dev@openvswitch.org
Subject: Re: [PATCH net-next v2 2/4] net: gso: support bounded TCP segmentation
Date: Wed, 23 Sep 2026 12:44:27 -0400	[thread overview]
Message-ID: <willemdebruijn.kernel.203ea450da2a2@gmail.com> (raw)
In-Reply-To: <20260923103825.4000903-1-wang.zhan@smartx.com>

Wang Zhan wrote:
> On Mon, 21 Sep 2026 17:07:09 -0400 Willem de Bruijn wrote:
> > Somewhat tangential, but an entirely different practical approach
> > could be to disable BIG-TCP when such a patch from BIG-TCP capable to
> > non-capable device is encountered.
> 
> That means a single device in the topology which does not support BIG TCP
> forces every other device to turn BIG TCP off, to avoid the degradation.
> So with mixed devices and a dynamic topology, BIG TCP cannot be enabled at all.

True. A question is how likely such a scenario with mixed devices is.
I.e., is it worth the code complexity.

  reply	other threads:[~2026-09-23 16:44 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-18  8:46 [PATCH net-next v2 0/4] net: resegment oversized TCP GSO skbs Wang Zhan
2026-09-18  8:46 ` [PATCH net-next v2 1/4] net: core: factor out the GSO device limit check Wang Zhan
2026-09-18  8:46 ` [PATCH net-next v2 2/4] net: gso: support bounded TCP segmentation Wang Zhan
2026-09-19 15:35   ` Willem de Bruijn
2026-09-20 13:12     ` Wang Zhan
2026-09-21 20:36       ` Willem de Bruijn
2026-09-23  9:45         ` Wang Zhan
2026-09-23 16:42           ` Willem de Bruijn
2026-09-24  9:03             ` Wang Zhan
2026-09-21 21:07       ` Willem de Bruijn
2026-09-23 10:38         ` Wang Zhan
2026-09-23 16:44           ` Willem de Bruijn [this message]
2026-09-24  9:27             ` Wang Zhan
2026-09-21 20:50   ` netdev-bot+sashiko
2026-09-23 16:50   ` Willem de Bruijn
2026-09-24  9:09     ` Wang Zhan
2026-09-24 10:53   ` David Laight
2026-09-24 12:15     ` Wang Zhan
2026-09-24 14:09   ` Paolo Abeni
2026-09-25  7:45     ` Wang Zhan
2026-09-18  8:46 ` [PATCH net-next v2 3/4] net: core: resegment oversized TCP GSO skbs Wang Zhan
2026-09-19 15:37   ` Willem de Bruijn
2026-09-20 13:31     ` Wang Zhan
2026-09-24 14:02     ` Paolo Abeni
2026-09-21 20:50   ` netdev-bot+sashiko
2026-09-18  8:46 ` [PATCH net-next v2 4/4] net: net_test: add tests for bounded GSO segmentation Wang Zhan
2026-09-21 20:50   ` netdev-bot+sashiko

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