From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B202FCA5FAD for ; Wed, 30 Sep 2026 01:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0vLjdzZVo2qjctqqDpE5Ro7QbiQoISQRnLovdDe46Yk=; b=q60h0J9E1nhw5TfxvGBMouJ7/z RXfr1Tyy0MB7DB93hAcLJSgpToSaOaf/rkHB8vD+9YnrH/2KVnhrtdskHkTsDBMLXc/L3Zqfp0t8+ hgkyBxMTdrQKlpaSH8djQN3uPjgdEzTByBi1CKe/aFB4+FlkvPWIDs8emXs6qDtqaF7DY2FV8j9Tp 5xyWGqKevv9PlnUov+3MzcgrnXo0cHrAPUvvhjWoavLcCaq3KRExKHm6jwIf2GvI3OI6bFB46fWK1 HyuUoqoEANH8TEJslk7tAsSkALHv0YPLeVNebFTw2+1MDjI8xIyCZefWzGwNbT8KBtT/cOYlNBsGZ Z6lme2qg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBjbe-00000004tKM-3Slv; Wed, 30 Sep 2026 01:59:38 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBjbe-00000004tKG-0UXf for linux-arm-kernel@lists.infradead.org; Wed, 30 Sep 2026 01:59:38 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 81281434E4; Wed, 30 Sep 2026 01:59:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 031D21F000FF; Wed, 30 Sep 2026 01:59:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790733577; bh=0vLjdzZVo2qjctqqDpE5Ro7QbiQoISQRnLovdDe46Yk=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=REtHWVNLtp5xQUCYPa1SNv2wi1HPGDYr4bMdLX8DmmFWKRvTZO94mb+fuKwphevzm BbuXAJo2x+BIfNeo+Mdhaa5263nz4Dae5Do+Q2P/a6KIGP6sBRc43sSthi2fu7/ES6 z1/1j6h1vUR1BRTIziw6vk0cQlhEMApW148dwC/60GAuofVdgWwGNjpH9vrgppHIH7 hNwkBH3uNN1S21RVOt4Mg35BzoN2ExDC0FRWHRoopz7DDuMMq5T155eVYmpGkjmsxT dfxwW1uh3ubmIEZreQOlSP2EqGECgSqR42LCqVAUiwMr/d0MMqEhhTnzM6bT5TTywK lWU7k4swLgxpQ== Date: Tue, 29 Sep 2026 18:59:36 -0700 From: Jakub Kicinski To: Quentin Freimanis Cc: netdev@vger.kernel.org, Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Steen Hegelund , Daniel Machon , UNGLinuxDriver@microchip.com, Lars Povlsen , Bjarni Jonasson , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] net: sparx5: make ports inherit the switch base mac address type Message-ID: <20260929185936.687250f9@kernel.org> In-Reply-To: <20260928045012.30178-1-quentin@q-lab.dev> References: <20260928045012.30178-1-quentin@q-lab.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, 27 Sep 2026 21:50:12 -0700 Quentin Freimanis wrote: > 0 is NET_ADDR_PERM, so userspace thinks this is a stable address. Could you please explain the end-user impact of this? Unclear to me from the commit msg if this is something that broke your deployment / scripts or maybe you simply noticed it from code inspection / LLM scan. No need to repost, just explain, I'll add it when applying. > Fix by tracking the base MAC address assign type in the sparx5 struct > and applying it to each port's netdev. Generally no need to repeat what an average reader can easily grok from the diff.