From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2429C3F824D; Mon, 27 Jul 2026 11:58:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785153510; cv=none; b=r55lZnH0OyJnVBJwXCqLn1DAE1/T83xLDTCT5NHn6Bb0FYjJTOtNn2EWhHyHAVla0TZN16SmmLNM+k8ZHkba+LkVqehmTMy0b4J2UGrMqVH0IjGuo+4El2XytHb72CnyTknccJ5yzh6dvOWEECn2dQYlNw0pGveeYBXAMSWd5Do= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785153510; c=relaxed/simple; bh=SzjrISe0q2eeqep3ox/nJoLw7KB0CxpdGDcPMRmFCYo=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=VEGEkrqV5XM6vI3/Y30ItXcS4TBH2yC5WVM4ZWhAxFQCt/wJa+i+cNdIXU0suPprnO9P1xdYNylNFmUCKDVK4QIwrKbIKYaSzUmKC2rRU3wwNZZlVYJJRg9VmR1hl2sTB+ivrS0tqWZq2mDiNW53iuTSZbb03u6Da6c2tOtGBLg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y81S7S89; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Y81S7S89" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CABA41F00A3A; Mon, 27 Jul 2026 11:58:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785153508; bh=krbGZKLd0O8JA4ydKurme+tDNfqpnhsHFKUIwH7Hfug=; h=Subject:From:To:Cc:Date:In-Reply-To:References; b=Y81S7S89vmen4nypsdQDdcIvTx2A+KSV7agJRtqYJspYB3gOJ20G2OHO2BKGMHEZX MtK69DPPHcpnA4u6sW/QvOU0dPy6jS+ZcDApu32OX01kz1DW9NZcCu8aRE0sqGGPmm cI6oxoz28vV3O+VL7440HR6/tTRrTYZXfilabbEpa7aimDQeLLwJwRExhUJjr2rJ3i FYb62hUEwlxXsfdRrT7nDQK4Cecvgqg5bDubIsAdiB4XGG2BGcxi2A+PtkrSQsEX5c RwcJS0kUJuht1p3mL5cLbW9t7wZkFFIa4BpyPYgNNznhe1HKp/tEin+j5wxvP5RD2K b6L/coik+c0Ag== Message-ID: Subject: Re: [PATCH net-next v2] mptcp: sockopt: implement IPV6_TCLASS From: Geliang Tang To: Matthieu Baerts , David 'equinox' Lamparter Cc: Mat Martineau , netdev@vger.kernel.org, mptcp@lists.linux.dev Date: Mon, 27 Jul 2026 19:58:24 +0800 In-Reply-To: References: <20260713135551.569365-1-equinox@diac24.net> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.56.2-9 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Hi David, Matt, On Tue, 2026-07-14 at 11:53 +0200, Matthieu Baerts wrote: > Hi David, Geliang, > > On 14/07/2026 11:48, David 'equinox' Lamparter wrote: > > On Tue, Jul 14, 2026 at 10:22:12AM +0800, Geliang Tang wrote: > > > Thanks for your patch. However there is already a version under > > > review > > > on the MPTCP mailing list that adds IPV6_TCLASS [1] (as well as > > > IP_TTL > > > and IPV6_UNICAST_HOPS). > > > > > > https://patchwork.kernel.org/project/mptcp/patch/2617b8684039574734b8622936ef126d6a7cd519.1754986785.git.tanggeliang@kylinos.cn/ > > > > Darn, I looked for patches for this & didn't find any, but I've > > also > > been carrying this locally for a bit. > > > > Anything I can do to help get your patch moving? > I was hoping to do some refactoring around Geliang's code, but I > didn't > manage to do that so far. I will to see if it is fine to apply > Geliang's > patch (after netdevconf) and do the refactoring after. > > @Geliang: do you mind rebasing this series, please? No hurry, I can > also > check later on. (And sorry for the delay on that) I finally had time to do this IPV6_TCLASS refactoring. I merged my changes into David's patch, keeping David as the patch author and adding "Co-developed-by" tag for myself. To verify the correctness of IPV6_TCLASS, I added IPV6_TCLASS support to "NVMe over MPTCP" feature I'm currently working on, and all the tests passed. I will include this IPV6_TCLASS patch in my upcoming v3 of "Fix socket options used by NVMe over MPTCP" soon. Thanks, -Geliang > > Cheers, > Matt