From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 38DC830BF6B; Fri, 22 Aug 2025 14:23:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755872608; cv=none; b=iEsle9sNGCO/R91+sSBG59So8NI+X3MNYxmVkBUUGtuyDcyFD73ZDDcuUeyQl0L7TkkHfgfrOVFAVtxtLvzZu0ySh1Xm/LqCB+uGCosENPaWoh6gQGUaZ55xoXwoiapI2ijkgvkePyuWOzXhf8gYJtWfYRJTRP5qusz7fXX9X6E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755872608; c=relaxed/simple; bh=NRmbokerOkaoNwUm/ECSYcST0Xx0kquTkzlGfTjqUAo=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ei87yKKi9K+a34nkzNK9szqxOW+5l99IhgySSLXPLTb9hoJuDzoVZ0vo7/uXiKVuE+XdnM4bagu51UOY0cO9bCis2/7UUKR71Sfb+OzinQKyNYdWUmIZM1lvZs1nb+h1r1QUobbFaN1dC1QBrjQtpoI5Qn6/R1jN1HuuARV5gYg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qKwv2MBG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qKwv2MBG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77710C4CEED; Fri, 22 Aug 2025 14:23:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755872607; bh=NRmbokerOkaoNwUm/ECSYcST0Xx0kquTkzlGfTjqUAo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=qKwv2MBGVd60tTdMjme/4HLd0iQIXLtwZmOtuD2UVfs5ZQEvImFR6TMHfvyxbnsFg B4CM5hMy0a4F2JmlzB2iTbhE3hTp0QgAareINSGbG8HzmMArh9KJxfigR197iBtoyr SUQdMXSaY2xt/JiVqShNh7EYBSMVASHgTEpiZmLa1EMiAmi1TXe82jp4zRkxh2tqaN Y9lOoCsTcUnwSh/j8iwN58YjrKBbNppGWw4IaERnrzbZCK/R8jqvCI9P7U/XeYGDmA E2C7RBa3YXRNlVFQOrbrfnjoCyXsgngRIvtX4m4r+LlgmwQTY0FCJXDkOCvn29HvZ3 RRO9yeZQfePhw== Date: Fri, 22 Aug 2025 07:23:26 -0700 From: Jakub Kicinski To: Calvin Owens Cc: Przemek Kitszel , Michal Schmidt , netdev@vger.kernel.org, Tony Nguyen , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Jedrzej Jagielski , Ivan Vecera , intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] i40e: Prevent unwanted interface name changes Message-ID: <20250822072326.725475ef@kernel.org> In-Reply-To: References: <94d7d5c0bb4fc171154ccff36e85261a9f186923.1755661118.git.calvin@wbinvd.org> <8f077022-e98a-4e30-901b-7e014fe5d5b2@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 21 Aug 2025 21:23:20 -0700 Calvin Owens wrote: > > > If you actually have data on that, obviously that's different. But it > > > sounds like you're guessing just like I am. > > > > I could only guess about other OS Vendors, one could check it also > > for Ubuntu in their public git, but I don't think we need more data, as > > ultimate judge here are Stable Maintainers > > Maybe I'm barking up the wrong tree, it's udev after all that decides to > read the thing in /sys and name the interfaces differently because it's > there... Yeah, that's my feeling. Ideally there should be a systemd-networkd setting that let's user opt out of adding the phys_port_name on interfaces. 99% of users will not benefit from these, new drivers or old. We're kinda making everyone suffer for the 1% :(