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[35.245.46.111]) by smtp.gmail.com with ESMTPSA id 00721157ae682-8a4662b8259sm12757897b3.28.2026.09.23.09.44.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 09:44:27 -0700 (PDT) Date: Wed, 23 Sep 2026 12:44:27 -0400 From: Willem de Bruijn To: Wang Zhan , netdev@vger.kernel.org, Willem de Bruijn Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, keyong.sun@smartx.com, Wang Zhan , Andrew Lunn , Jason Wang , Neal Cardwell , Kuniyuki Iwashima , Alice Mikityanska , Ilya Maximets , Aaron Conole , Eelco Chaudron , dev@openvswitch.org Message-ID: In-Reply-To: <20260923103825.4000903-1-wang.zhan@smartx.com> References: <20260918084651.3022878-1-wang.zhan@smartx.com> <20260918084651.3022878-3-wang.zhan@smartx.com> <20260920131231.3610688-1-wang.zhan@smartx.com> <20260923103825.4000903-1-wang.zhan@smartx.com> Subject: Re: [PATCH net-next v2 2/4] net: gso: support bounded TCP segmentation Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit 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.