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Tue, 21 Oct 2025 14:58:01 -0700 (PDT) Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20251020200805.298670-1-aojea@google.com> In-Reply-To: From: Antonio Ojea Date: Tue, 21 Oct 2025 23:57:49 +0200 X-Gm-Features: AS18NWDPyQ7Z2HNBUUuE7tzLDT7rEHzEGykZ7ludzCwpoNsdgifNKjxIYEZK3Y4 Message-ID: Subject: Re: [PATCH] selftests: nft_queue: conntrack expiration requeue To: Florian Westphal Cc: Pablo Neira Ayuso , Eric Dumazet , netfilter-devel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" > Looks like one needs to set a label somewhere, no need for it to match. > > chain never { ct label set foo } > > makes this work for me. > We could change this so that *checking* a label also turns on the > extension infra. > > Back then i did not want to allocate the extra space for > the extensions and i did not want to add to a new sysctl either. > > So I went with 'no rules that adds one, no need for ct label > extension space allocation'. But that does not consider the people that just use netlink to set the labels ... from a 1k altitude , can you do a check on the first update/create/delete label to initialize the extension? Another question related, is it required for the label value to be always 16 bytes? I do not know if is the golang libraries I'm using but it seems it does not work with other lengths