From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) (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 0914F1ACEBB for ; Thu, 3 Apr 2025 23:26:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.32.30.218 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743722784; cv=none; b=cG++ftt10ZrhMHmwlX1LI/ernFM5qMH1cxC6YPaOHJJMfiKrUuJm4w+1gJk0q4JU3pwsm+K9VUDs2VJBmAjfpb0E9i5WQcYpK2e4rD1n4mqs+Uj4KXVt1dj5Np7yqcDc6UorzisLqUSQ7exz4mu0yVJcV9dBTafBCrv8TZeA3Bg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743722784; c=relaxed/simple; bh=J64u6Ol2ZYpLQ/D4oJn8ejXSdMNgZJ1JUmjAwlMcWfQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OUDxdUkyZczoNVnDS0MsoDEz23KVXxG0kaxh1B3HWWMojcQJlMWjVRk/Gdw4jIX/aPDMXqTRlV+MD8rznaQplqYFtnpWQWF8MC6nTq+14gyvqQHK+X98Eo16DIepjxBJsx2zzt+nd2apmY5txq4iO9h9YbRjmCdt/MOraBtJUqA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk; spf=none smtp.mailfrom=armlinux.org.uk; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b=hd+cAr+0; arc=none smtp.client-ip=78.32.30.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="hd+cAr+0" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=zcYKsbKmwfEqYlD2vORKHfK5BQ+7gNK8RjM/+ho/1IE=; b=hd+cAr+0J8oyVgGsZ2mmrgm9z7 bAJp7zlUEHZBXOOaumRsKQIcEkdr+cjji7+oWp0tQ/r6QLniR2LhqbLqQuKsEYiwWnMqQi/l//RzG ANJZCnAPu2r2/c0W172xIKnRK/fJ2DEsdnGSfXLp3LhRY9Hz8I26fAlGQH7bL6coDZOoojv3BdpJS 4TTPNxKw4MxwMzcEBb5u8vaWnfWyhVyeEHJC2ZyMtX3bigwrkyd7xScv7lS+iEl8lpnbd030v/aG4 5K50jfeE/uaw58hV0ilieTI1UHoF8Z+StKdxZ0+0Mi0xI0PelGCu4hyRqx6c86bBiPE0n+BXmzKvl wLWeMQVQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:47556) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1u0Twv-00012h-2L; Fri, 04 Apr 2025 00:26:17 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.96) (envelope-from ) id 1u0Twt-0005As-1a; Fri, 04 Apr 2025 00:26:15 +0100 Date: Fri, 4 Apr 2025 00:26:15 +0100 From: "Russell King (Oracle)" To: Alexander Duyck Cc: Andrew Lunn , Maxime Chevallier , netdev@vger.kernel.org, hkallweit1@gmail.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com Subject: Re: [net PATCH 1/2] net: phy: Cleanup handling of recent changes to phy_lookup_setting Message-ID: References: <174354264451.26800.7305550288043017625.stgit@ahduyck-xeon-server.home.arpa> <174354300640.26800.16674542763242575337.stgit@ahduyck-xeon-server.home.arpa> <20250403172953.5da50762@fedora.home> 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-Disposition: inline In-Reply-To: Sender: Russell King (Oracle) On Thu, Apr 03, 2025 at 02:53:22PM -0700, Alexander Duyck wrote: > How is it not a fixed link? If anything it was going to be more fixed > than what you described above. I had to laugh at this. Really. I don't think you quite understand the case that Andrew was referring to. While he said MAC to MAC, he's not just referring to two MACs that software can program to operate at any speed, thus achieving a link without autoneg. He is also talking about cases where one end is fixed e.g. by pinstrapping to a specific configuration including speed, and using anything different on the host MAC side results in no link. In that latter case, I don't think you could come up with something that is "more fixed" than that, because using anything other than the specified parameters means no link! -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!