From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7BAA3606A323 for ; Thu, 12 Nov 2026 09:46:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=J+POjlrI; dkim=pass (2048-bit key) header.d=tipi-net.de header.i=@tipi-net.de header.a=rsa-sha256 header.s=dkim header.b=2pXqmXMP 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:Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; bh=zF4RKurSPbtIZr5y6aisxGcnIy7a/9xHHcRfZOEEHKY=; b=J+POjlrIfMPFii HwZzrYpqc+Rc/NcAzc8nBAs5IBca8u7Pn7GXikFx/fUA37tAeCnzysp9KoNTL1EzJ9IBszJCrLoY8 tdSrjukwY07m6//RPUHKUl070WDwKYCqerYbc8E8oeQdlj5e4/9BJVxRPRot6KJ28jDmOtx/6Rg/0 t454It8vg7bwFFvbBW/yEQNAgMquxkMDFebHo1jOGHMlBllh2807meW5Ew6rjD8lLn1JLOKHxZs67 eKod1HLiabG7QWoqQx+QP4Vbgl2pQw4QgflwXdSSNeVwtHuxd9n+SESX0lcuRZ30VmS9jJvQVCqOp ne9dH7tGzzh5Rlwr5wWQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xRRNv-00000009Q04-0v9n; Thu, 12 Nov 2026 09:46:23 +0000 Received: from mail.tipi-net.de ([2a03:4000:43:185::1]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xRRNs-00000009PzQ-1M40 for linux-arm-kernel@lists.infradead.org; Thu, 12 Nov 2026 09:46:21 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 85196A0064; Thu, 12 Nov 2026 10:46:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tipi-net.de; s=dkim; t=1794476777; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=zF4RKurSPbtIZr5y6aisxGcnIy7a/9xHHcRfZOEEHKY=; b=2pXqmXMP8GV7SvW37kAVDSxQn4a35G1NODITlm961BJyJKuTT4HfH7yNcaBeBN4U7Eb3SF oGoK1o/QgNZ93MnAS6xYwRJFTIckJQVngdNqeBszfwHk3jZwF+9MUSzkvqSL3rUdWWOmIn /pZph+Gzp5APYCp3MmrS3XrDTJCFBDAo3ae2EZafPKBes8q1zu2HSsGOWEeCZsq//Hfd54 pGZ6TMzePxnA/mbDS9PvreQE1Wmuurcx6zATx0sTy2N6DxcJwEygFLY7y6YKTnpcurFyiV mvOoMIx7Pmbs9BvgaXK6x1zNAiFJO+3VECTyNllVrq9nQZM3UDeQXq2vkYWX/Q== X-Archived-By: MIME-Version: 1.0 Date: Thu, 12 Nov 2026 10:46:16 +0100 From: Nicolai Buchwitz To: aiyengar1990@gmail.com Cc: Maxime Chevallier , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maxime Coquelin , Alexandre Torgue , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, linux-kernel@vger.kernel.org, Corentin Labbe Subject: Re: [PATCH net-next v2 2/2] net: stmmac: dwmac-sun8i: Enable jumbo frames up to MTU 2018 In-Reply-To: <20261112-sun8i-emac-jumbo-v2-2-aca0cf23cf17@gmail.com> References: <20261112-sun8i-emac-jumbo-v2-0-aca0cf23cf17@gmail.com> <20261112-sun8i-emac-jumbo-v2-2-aca0cf23cf17@gmail.com> Message-ID: <328e66e47898b772f2956649bf4cf795@tipi-net.de> X-Sender: nb@tipi-net.de Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261112_014620_547651_93FA51BB X-CRM114-Status: UNSURE ( 5.57 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Arun On 12.11.2026 09:41, Arun Iyengar via B4 Relay wrote: > From: Arun Iyengar > [...] > Limit max_mtu so that a frame with two VLAN tags and the FCS fits in > 2044 bytes (MTU 2018). A device tree max-frame-size can still lower it. max-frame-size is only parsed for the snps,dwmac compatibles, not for sun8i. > [...] Thanks, Nicolai