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Thu, 10 Nov 2022 06:28:18 -0800 (PST) Date: Thu, 10 Nov 2022 16:28:16 +0200 From: Vladimir Oltean To: Felix Fietkau Cc: netdev@vger.kernel.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH net-next v2 00/12] Multiqueue + DSA untag support + fixes for mtk_eth_soc Message-ID: <20221110142816.nzy4sb27km7xpctd@skbuf> References: <20221109163426.76164-1-nbd@nbd.name> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221109163426.76164-1-nbd@nbd.name> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_062821_623162_079FAF23 X-CRM114-Status: GOOD ( 17.68 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Nov 09, 2022 at 05:34:14PM +0100, Felix Fietkau wrote: > This series contains multiple improvements for mtk_eth_soc: > > On devices with QDMA (MT7621 and newer), multiqueue support is implemented > by using the SoC's traffic shaper function, which sits on the DMA engine. > The driver exposes traffic shaper queues as network stack queues and configures > them to the link speed limit. This fixes an issue where traffic to slower ports > would drown out traffic to faster ports. It also fixes packet drops and jitter > when running hardware offloaded traffic alongside traffic from the CPU. > > On MT7622, the DSA tag for MT753x switches can be untagged by the DMA engine, > which removes the need for header mangling in the DSA tag driver. > > This is implemented by letting DSA skip the tag receive function, if the port > is passed via metadata dst type METADATA_HW_PORT_MUX > > Also part of this series are a number of fixes to TSO/SG support > > Changes in v2: > - drop the use of skb vlan tags to pass the port information to the tag driver, > use metadata_dst instead > - fix a small issue in enabling untag Please split the work and let's concentrate on one thing at a time without extra noise, for example DSA RX tag processing offload first, since that needs the most attention. Also please use ./scripts/get_maintainer.pl when sending patches ;) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel