From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 0AFE81C06 for ; Sun, 9 Jul 2023 05:40:30 +0000 (UTC) Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B93712A for ; Sat, 8 Jul 2023 22:40:28 -0700 (PDT) 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=NzlhFI7PoXlPO6jOxGj7DoJ9XV65SQ+pNfIxRWsSDtE=; b=KHjmhclS/0TUwUpZAj8p2EHE6N sgntn6TUFLqdOJoBs2XDbi5k8MleCl7ZXOy8XVfDLLVeSEEmywSRebTKZbsMoe8Ixpp7BULt5dhQp Lnlv802VzoXPFxbqWEKS42Aw5ugmLYN9fbZg23ESg3GVs/fuIDu3SrNgE8LJYCjIBetKv3YabMIhl cJ+282Bq7Gf89TB1yqraX70ZlBG4Lfd+4G+8b4YiOIPK5PT3u6RwJctmSr14oQ4xrVmH0dISlUkr+ lmYaUyN2uSKi+9SiiYNFzn26LJ3TXwrLQ1RoI/gK+wBGBiEdT9Sm9BcLC+f2W0Os6USTjWsPHxH2l erQ7FH2g==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:54962) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1qIN9j-0005Gr-1J; Sun, 09 Jul 2023 06:40:23 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1qIN9i-0001cr-Ix; Sun, 09 Jul 2023 06:40:22 +0100 Date: Sun, 9 Jul 2023 06:40:22 +0100 From: "Russell King (Oracle)" To: alpha_one_x86@first-world.info, Andrew Lunn Cc: Stephen Hemminger , netdev@vger.kernel.org Subject: Re: Fw: [Bug 217640] New: 10G SFP+ and 1G Ethernet work at 100M on macchiatobin Message-ID: References: <20230707075919.183e6abc@hermes.local> <1ae37aef-299c-400d-9287-ba5ab85637f7@lunn.ch> 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: <1ae37aef-299c-400d-9287-ba5ab85637f7@lunn.ch> Sender: Russell King (Oracle) X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Sat, Jul 08, 2023 at 11:23:03PM +0200, Andrew Lunn wrote: > Adding Russell King. > > Andrew > > On Fri, Jul 07, 2023 at 07:59:19AM -0700, Stephen Hemminger wrote: > > > > > > Begin forwarded message: > > > > Date: Thu, 06 Jul 2023 23:23:02 +0000 > > From: bugzilla-daemon@kernel.org > > To: stephen@networkplumber.org > > Subject: [Bug 217640] New: 10G SFP+ and 1G Ethernet work at 100M on macchiatobin > > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=217640 > > > > Bug ID: 217640 > > Summary: 10G SFP+ and 1G Ethernet work at 100M on macchiatobin > > Product: Networking > > Version: 2.5 > > Hardware: All > > OS: Linux > > Status: NEW > > Severity: normal > > Priority: P3 > > Component: Other > > Assignee: stephen@networkplumber.org > > Reporter: alpha_one_x86@first-world.info > > Regression: No > > > > Hi, > > Since I upgrade linux kernel from 5.10.137 to 6.1.38 all my interface of > > macchiatobin work at 100M (90 Mbits/sec detected by iperf) > > ethtool detect the link at correct speed (10G for SFP+ and 1Gbps for ethernet) > > What can be the regression? I'm on holiday at the moment, so don't expect fast or full replies. If ethtool is stating the correct link speed, then it's not a SFP layer or phylink layer bug. I don't see any problem with mvpp2 between Armada 8040 hardware running 6.3.0 and 6.1.0 kernels - according to iperf3: [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 1004 MBytes 842 Mbits/sec 46 sender [ 5] 0.00-10.00 sec 1001 MBytes 839 Mbits/sec receiver That's mcbin <-(copper)-> Clearfog Base <-(fibre)-> Clearfog gt-8k -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!