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Wed, 19 Nov 2025 02:40:09 -0800 (PST) Received: from [192.168.88.32] ([212.105.155.41]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477b1035c78sm40679485e9.11.2025.11.19.02.40.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Nov 2025 02:40:08 -0800 (PST) Message-ID: <6d4aad6e-ebe0-4c52-a8a4-9ed38ca50774@redhat.com> Date: Wed, 19 Nov 2025 11:40:06 +0100 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 net-next 03/14] net: update commnets for SKB_GSO_TCP_ECN and SKB_GSO_TCP_ACCECN To: "Chia-Yu Chang (Nokia)" , "edumazet@google.com" , "parav@nvidia.com" , "linux-doc@vger.kernel.org" , "corbet@lwn.net" , "horms@kernel.org" , "dsahern@kernel.org" , "kuniyu@google.com" , "bpf@vger.kernel.org" , "netdev@vger.kernel.org" , "dave.taht@gmail.com" , "jhs@mojatatu.com" , "kuba@kernel.org" , "stephen@networkplumber.org" , "xiyou.wangcong@gmail.com" , "jiri@resnulli.us" , "davem@davemloft.net" , "andrew+netdev@lunn.ch" , "donald.hunter@gmail.com" , "ast@fiberby.net" , "liuhangbin@gmail.com" , "shuah@kernel.org" , "linux-kselftest@vger.kernel.org" , "ij@kernel.org" , "ncardwell@google.com" , "Koen De Schepper (Nokia)" , "g.white@cablelabs.com" , "ingemar.s.johansson@ericsson.com" , "mirja.kuehlewind@ericsson.com" , cheshire , "rs.ietf@gmx.at" , "Jason_Livingood@comcast.com" , Vidhi Goel References: <20251114071345.10769-1-chia-yu.chang@nokia-bell-labs.com> <20251114071345.10769-4-chia-yu.chang@nokia-bell-labs.com> Content-Language: en-US From: Paolo Abeni In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/19/25 11:24 AM, Chia-Yu Chang (Nokia) wrote: > I was thinking to totally remove ECN from Rx path, ??? do you mean you intend to remove the existing virtio_net ECN support? I guess/hope I misread the above. Note that removing features from virtio_net is an extreme pain at best, and more probably simply impossible - see the UFO removal history. Please clarify, thanks! Paolo