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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno , Russell King , mithat.guner@xeront.com, erkin.bozoglu@xeront.com, Bartel Eerdekens , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH net-next v2 5/7] net: dsa: mt7530: simplify mt7530_setup_port6() and change to void Message-ID: <20240201235704.6wxbkpli3dk4pn4w@skbuf> References: <20240130-for-netnext-mt7530-improvements-2-v2-0-ba06f5dd9eb0@arinc9.com> <20240130-for-netnext-mt7530-improvements-2-v2-5-ba06f5dd9eb0@arinc9.com> <77c38489-8a73-4b00-bd82-48174b4d620f@arinc9.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <77c38489-8a73-4b00-bd82-48174b4d620f@arinc9.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240201_155710_414509_E864BB07 X-CRM114-Status: GOOD ( 13.90 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Tue, Jan 30, 2024 at 08:46:04PM +0300, Arınç ÜNAL wrote: > would supposedly achieve 2 Gbps TX & 2 Gbps RX Source? Commit 8efaa653a8a5 ("net: ethernet: mediatek: Add MT7621 TRGMII mode support") says "TRGMII speed is 1200MBit.". > Unless the MediaTek SoC ethernet driver somehow caps TRGMII to 1 Gbps, > I consider this whole TRGMII shenanigans a scam I laughed :) You have to see whether the CPU isn't in fact at 100% already, becoming a bottleneck before the interface speed does. Also, mtk_eth_soc.c has an interesting comment "TRGMII is not permitted on MT7621 if using DDR2" - not sure if applicable to your setup or not. I just got myself an ASUS RT-AX1800U (uses the mt7621_asus_rt-ax53u.dts device tree AFAICT) which I'll be setting up with OpenWrt in the weeks to come, and on which I might also be able to run some tests from time to time.