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([2a0d:3341:b8a2:8d10:2aab:5fa:9fa0:d7e6]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429dc19227csm4291317f8f.11.2025.11.04.03.50.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Nov 2025 03:50:02 -0800 (PST) Message-ID: <914b0331-8fab-4ad6-a6a8-e511a4352cea@redhat.com> Date: Tue, 4 Nov 2025 12:50:00 +0100 Precedence: bulk X-Mailing-List: quic@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v4 08/15] quic: add path management To: Xin Long , network dev , quic@lists.linux.dev Cc: davem@davemloft.net, kuba@kernel.org, Eric Dumazet , Simon Horman , Stefan Metzmacher , Moritz Buhl , Tyler Fanelli , Pengtao He , Thomas Dreibholz , linux-cifs@vger.kernel.org, Steve French , Namjae Jeon , Paulo Alcantara , Tom Talpey , kernel-tls-handshake@lists.linux.dev, Chuck Lever , Jeff Layton , Benjamin Coddington , Steve Dickson , Hannes Reinecke , Alexander Aring , David Howells , Matthieu Baerts , John Ericson , Cong Wang , "D . Wythe" , Jason Baron , illiliti , Sabrina Dubroca , Marcelo Ricardo Leitner , Daniel Stenberg , Andy Gospodarek References: <0ccfc094d8f69e079cc84c96bd86a31e008e1aaf.1761748557.git.lucien.xin@gmail.com> From: Paolo Abeni In-Reply-To: <0ccfc094d8f69e079cc84c96bd86a31e008e1aaf.1761748557.git.lucien.xin@gmail.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: d1dKL-uj0tbNVMDIygnZfV6tPh7o-pe10jV9sqEj3w4_1762257004 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/29/25 3:35 PM, Xin Long wrote: > This patch introduces 'quic_path_group' for managing paths, represented > by 'struct quic_path'. A connection may use two paths simultaneously > for connection migration. > > Each path is associated with a UDP tunnel socket (sk), and a single > UDP tunnel socket can be related to multiple paths from different sockets. > These UDP tunnel sockets are wrapped in 'quic_udp_sock' structures and > stored in a hash table. > > It includes mechanisms to bind and unbind paths, detect alternative paths > for migration, and swap paths to support seamless transition between > networks. > > - quic_path_bind(): Bind a path to a port and associate it with a UDP sk. > > - quic_path_free(): Unbind a path from a port and disassociate it from a > UDP sk. I find the above name slightly misleading, as I expect such function to free the path argument. Possibly quic_path_unbind? /{