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 653892C327E; Tue, 25 Nov 2025 23:19:23 +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=1764112766; cv=none; b=hd+sYs5oFw6YRL9iNLKczboGpGNyzbDU2uqfjDuAAbS3sQ0+uLMipKjSPAzAmA8zGXE1ur194XnT2L7cTN8pEVgBGU857Oyf5wt7tPpN1x7gi7f7ovDQdRjAxL12rUTWBBh7KWn7enOwSpeMJK9gyUr1UCE6e5DV5/bgbUbFi6A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764112766; c=relaxed/simple; bh=oFdOAM6ZwpderCZqBuZ+lnCixgHSDB3mwSe5yeRR/M0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E7Jk6vSbqAbl4ygFa9Ulxpa6lV2mXFbg/hphHf5wEzvCjdMBRl2HIpIc5iY3DI6AMfCgGqoi02Y20R+OM9i1GMmoyk5xj+v/oyrBqCd+2fGogNs52GM+TX76xzt0fyNpx73Gtes8AuyYcOEdp1OGvD5vwB+GM+vbUQDXlY1Ez9Q= 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=Tmkl9DgG; 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="Tmkl9DgG" 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=ukMBHd2xprh1k/N8cNGlN+MYj/FJerUlkN0OU+0nrSM=; b=Tmkl9DgGtXT1tFoDpAdbmsXLu2 wPfi67ITjX3MMczRG20rf2PbUhq4ZGCG/KDNkBGrpGO+cN+ZFzUAi1UFWV1q9dAU55D65VFvfK/+v CijIMS61dPmELwsL21oN9hO8F057RmwJbKrEu0o9u66hmRyhu7TYQJL4I1Xcyzr9ienz1xQ78akqf RquMtihWgU9RyHFTEoJ+Hw2IsjlFXCPXyzGrOLfg2QnvLGfG0eFuUlqnxqH1oCpROSyT/AjVs7xCl VuniJyZ9A2qMyXOxayYK+EASCMWoEKAOE3jDp0UaeuKiqTAxpRI140EdlLrjJIwKMqVxAEAdPTBM4 4wrPwEKQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:56056) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vO2JU-000000003IU-2m6E; Tue, 25 Nov 2025 23:19:12 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.98.2) (envelope-from ) id 1vO2JQ-000000001AF-0Uv7; Tue, 25 Nov 2025 23:19:08 +0000 Date: Tue, 25 Nov 2025 23:19:07 +0000 From: "Russell King (Oracle)" To: rohan.g.thomas@altera.com Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Richard Cochran , Jose Abreu , Fugang Duan , Kurt Kanzenbach , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next] net: stmmac: Fix E2E delay mechanism Message-ID: References: <20251125-ext-ptp-fix-v1-1-83f9f069cb36@altera.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-Disposition: inline In-Reply-To: <20251125-ext-ptp-fix-v1-1-83f9f069cb36@altera.com> Sender: Russell King (Oracle) On Tue, Nov 25, 2025 at 10:50:02PM +0800, Rohan G Thomas via B4 Relay wrote: > From: Rohan G Thomas > > For E2E delay mechanism, "received DELAY_REQ without timestamp" error > messages shows up for dwmac v3.70+ and dwxgmac IPs. > > This issue affects socfpga platforms, Agilex7 (dwmac 3.70) and > Agilex5 (dwxgmac). According to the databook, to enable timestamping > for all events, the SNAPTYPSEL bit in the MAC_Timestamp_Control bits > register must be set to 2'b00, and the TSEVNTENA bit must be cleared > to 0'b0. Are you sure 3.70 is the appropriate point. According to the 3.74 databook, SNAPTYPSEL changed between 3.5 and 3.6. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!