From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AA82420487E for ; Wed, 5 Nov 2025 07:55:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762329359; cv=none; b=UgwOh/BLwxHzgdSNjSbskzDZJSfJNAdP9aEdmZQJ93VrlqFzSnFB1icOoll+Vo5/CMLWuVP4ft2AvZCMejU1ebxt9wyf4poICXGtNjFEAl3UNUnfYKrWnMgpbOVHueN+upL01lR0tGu8RPuruXshR2CzUz96XIZjFt6m71eFuvM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762329359; c=relaxed/simple; bh=AbDuRmZXeMPetp7OedkIwGRtdY1JYUDRbpkaMbMziX4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SxWbz2bLER0AyLHBvWG81NNeFLi4xBv3MhzQgDfySggRi9PHgdpozt3ou+w/QQ7eRXYtYC8sf1YnE8DaTtWoPvbPt1W1dSnX0saVAj7umrAXShEHw8vSbEBQE70QVDFEWAfcLye014m6Cc4i1a0IJunO2EidyGUffX/Zav7FY44= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=RKJnnlB3; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RKJnnlB3" Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-29586626fbeso33843315ad.0 for ; Tue, 04 Nov 2025 23:55:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1762329357; x=1762934157; darn=vger.kernel.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=G7v4p3X4ILgkmSzKG/xaZQHmVRIUznEUAF2qixE0ubE=; b=RKJnnlB3ZqxyQ416SmhjpJrA2cyFgSVkpjG/nMX1Nw0qUcKs3BNdff/96r6t//v8OR RHfoOycq3qZQNC03XRxcPCOI/o7npzgkLSj4ba6IxnzLJzlVQlpsmlxF2Qgs9oKbuniq H8N1BH53mdWsMPhGcGyMQFdCcLITnowDECwDOBTkojmQpvIn5v3WK0BYA4Jwc1ELb3b7 Ax0j64WEh/+fvxmLU1ua2H4tu8D3UGQqzKBJ2FWSUpTh0W1NW5E44OO1D48VhIsNqmQo 31OOdeVHpnyBDOIA+aY/y2bBZWK9WDUZoNxQ9+0UD4NLU2yhMcx4Ox54p9h+h2lWoNsW q2DQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762329357; x=1762934157; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=G7v4p3X4ILgkmSzKG/xaZQHmVRIUznEUAF2qixE0ubE=; b=K3zKGaWLjjLVXqhYZLEO8Pku4QgToiHT0qKgwj9wz38QCxyTpPqcvf0EybQ7jWT3bT zpMXRHma9TAdUjmeg8p93+xmzx5h+L9z/awms2mYnU/DdnObqBnxk5kXfCE2LZwfBLyI 6hXgO/9FVblbo38ZIcZl4ZNInFnQZMN84klV/SyAb211OGE0HI5UBJ+gKkw40RTjuaNR 3Gz7g7xzunIUkXT4MPix5zIcIRV6XacrZ6URuBhao2EhTqDHqdk0fYI1Lmt/JOQBYtqm V+5VNRy7mPnN5zSVjrwnuWmZsTYoGEtOY7r+wzOugAwNQkLq89cBeZVYs7L2Rj1CnCsj fpiw== X-Gm-Message-State: AOJu0YzJFAJ1YpnS27456eqX1S+u/naFWD61hbZDG6CwQQfM0FU8Tixu 1volA9RC/t43lyIk67Ba9cL7+9QQ4MjPhGHj12I+tQMTjm3w/uAUfdtO X-Gm-Gg: ASbGncs/Zi0wcVGelRq2ydEBqToow39CwSPu7k5XV90tODacc3GSmf94UrWLNWEJuL/ RXQQOWgjYlKc2i2u8o2l7RrsMEQcp2a/ymuJlDKrbLSyS7Sagv7QT4xbQx1l/fRC10PCu3tr1Ti l/ZdpVsu/5obTV6ngl10YtQa3K+KYxUQbLoGo8JAQoOtFFvZnVG1yY9HTKyUrnhi8w206ED2HFs Aii9nrRA1BpDYzNmLsaulxjLBYvaVpmU2Xo34t0zEHg51qtYPwmMQaqVXQhAraEhwfxXVCzcchX Ho/x0KEReLYV8Vdh07iFtbSOOtWvJ00cl7uHBpv2wmlUXP9k8vvFiBBuj9EXxduK28UkkL1t9vJ LSMx5OGziUmJu7huOfLexgLnHpxxpTQf0RqNB209NtAeQzeaxYvJFwRVDpfUafog0ROekzGF4SS eXFqDuw90y1nkBf38DrIi7r+wLxA== X-Google-Smtp-Source: AGHT+IFORckqmpACXLUcSu5EfRyS7PDFOGfdE0/YK3mQ3vQaO+BarSBlRiLSVrcGVNLWr2Gsr5XDzw== X-Received: by 2002:a17:902:f544:b0:250:643e:c947 with SMTP id d9443c01a7336-2962ad8857dmr35644135ad.28.1762329356844; Tue, 04 Nov 2025 23:55:56 -0800 (PST) Received: from fedora ([209.132.188.88]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29601972892sm50941165ad.23.2025.11.04.23.55.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Nov 2025 23:55:56 -0800 (PST) Date: Wed, 5 Nov 2025 07:55:47 +0000 From: Hangbin Liu To: Jakub Kicinski Cc: netdev@vger.kernel.org, Donald Hunter , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Jan Stancek , "Matthieu Baerts (NGI0)" , =?iso-8859-1?Q?Asbj=F8rn_Sloth_T=F8nnesen?= , Stanislav Fomichev , Shuah Khan , Ido Schimmel , Guillaume Nault , Petr Machata , linux-kselftest@vger.kernel.org Subject: Re: [PATCH net-next 2/3] netlink: specs: update rt-rule src/dst attribute types to support IPv4 addresses Message-ID: References: <20251029082245.128675-1-liuhangbin@gmail.com> <20251029082245.128675-3-liuhangbin@gmail.com> <20251029163742.3d96c18d@kernel.org> <20251104164804.540a9b8d@kernel.org> 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-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20251104164804.540a9b8d@kernel.org> On Tue, Nov 04, 2025 at 04:48:04PM -0800, Jakub Kicinski wrote: > > Hi Jakub, > > > > I just realize that most of the address/src/dst in rt-addr/route are > > dual stack. The same with FRA_DST. We can't simply change binary to u32. > > So can we keep this u32 -> binary change? > > Ah, should have looked at more context.. > Yes, and in that case without the display-hint? The display-hint is required; otherwise, the displayed src and dst fields appear as binary data, and setting the rule’s src/dst values also fails. I haven’t checked the code yet, but with - display-hint: ipv4 the IPv6 addresses are also displayed correctly :) Thanks Hangbin