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Mon, 28 Apr 2025 09:31:12 -0700 (PDT) From: "=?UTF-8?Q?Jean-Fran=C3=A7ois_Ingelaere?=" X-Google-Original-From: =?UTF-8?Q?Jean-Fran=C3=A7ois_Ingelaere?= Message-ID: Date: Mon, 28 Apr 2025 18:31:11 +0200 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: FW: Wireless speed regression issue with >6.12.12/6.13.x + firmware update for mediatek MT7925 To: =?UTF-8?B?TWluZ3llbiBIc2llaCAo6Kyd5piO6Ku6KQ==?= , "stable@vger.kernel.org" Cc: "linux-wireless@vger.kernel.org" , "kvalo@kernel.org" , =?UTF-8?B?QWxsYW4gV2FuZyAo546L5a625YGJKQ==?= , "regressions@lists.linux.dev" References: <5a07aea2090532682c8cd4df3ab1b9026f2e1cd5.camel@mediatek.com> <04dca014-881c-46b4-a084-2001c62b466e@gmail.com> <6cebf6265f5f981dd951851d0832633292a60a46.camel@mediatek.com> <28ff58dc-72f3-4b71-817c-ccb4ff5f777d@gmail.com> Content-Language: fr-FR In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hello, The Cisco Catalyst C9120AXI (not Meraki), is running in Lightweight mode, connected  to the Cisco Virtual Wireless Controller. I was running tests in 5Ghz, WPA2 + 160Mhz Channel width, not 80 (+all  supported rates enabled, RRM+DCA enabled, 802.11h enabled, BSS enabled). As tested previously 20Mhz channel width gives better performances than 160Mhz after regression. Following speed are observed with highest steams as I can (multi thread iperf/nperf ect). Speed test isn't run in perfect conditions but it doesn't really mind. With 6.14.3 + latest firmware 20Mhz channel width (DL/UL) : 130mbps/160mbps (ch36) With 6.14.3 + latest firmware 40Mhz channel width : 230mbps/330mbps (36,40) With 6.14.3 + latest firmware 80Mhz channel width : 340mbps/6mbps (36,40,44,48) With 6.14.3 + latest firmware 160Mhz channel width : 640mbps/7mbps (36,40,44,48,52,56,60,64) As you can see, Upload speed is dropping with 80Mhz channel width. Can you please try in your setup with 160Mhz ? As a check. -> With 6.14.3 + latest firmware 160Mhz in 802.11AC (Cisco 2802E): 800mbps/380mbps (52,56,60,64,36,40,44,48) As a debug/comparison : With 6.14.3 + 202412 firmware 20Mhz channel width (DL/UL) : 130mbps/170mbps (ch36) With 6.14.3 + 202412 firmware 40Mhz channel width : 130mbps/280mbps (36,40) With 6.14.3 + 202412 firmware 80Mhz channel width : 390mbps/580mbps (36,40,44,48) With 6.14.3 + 202412 firmware 160Mhz channel width : 630mbps/950mbps (36,40,44,48,52,56,60,64) I don't have any other 802.11ax AP at the moment. Remember : no issue with 802.11ac. Best regards, Jeff Le 28/04/2025 à 13:00, Mingyen Hsieh (謝明諺) a écrit : > > On Thu, 2025-04-24 at 13:20 +0200, Jean-François Ingelaere wrote: > > > > External email : Please do not click links or open attachments until > > you have verified the sender or the content. > > > > > > Hello, > > > > I hoped you had previous messages. Firmware is the released from my > > distro (Gentoo Linux) 20240410, but yes you're right, the firmware > > used > > in this case for mt76 is 20240305, sorry. > > > > [74734.459451] Loading firmware: > > mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin > > [74734.463449] mt7925e 0000:73:00.0: ASIC revision: 79250000 > > [74734.539692] Loading firmware: > > mediatek/mt7925/WIFI_MT7925_PATCH_MCU_1_1_hdr.bin > > [74734.539760] mt7925e 0000:73:00.0: HW/SW Version: 0x8a108a10, Build > > Time: 20250305132908a > > > > [74734.878892] Loading firmware: > > mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin > > [74734.879069] mt7925e 0000:73:00.0: WM Firmware Version: ____000000, > > Build Time: 20250305133013 > > [74734.974255] Loading firmware: > > mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin > > > > > > The AP used is a Cisco C9120AXI-E. > > > > > > Best regards, > > > > Hi, > > I had tested with this AP (5G HE80 & WPA2), and my setting is v6.14.3 + > latest firmware. It looked good for me. > > Could you give me your AP setting and could you test with another AP? > > Best Regards, > Yen. > > > *********** MEDIATEK Confidentiality Notice > *********** > The information contained in this e-mail message (including any > attachments) may be confidential, proprietary, privileged, or > otherwise exempt from disclosure under applicable laws. It is > intended to be conveyed only to the designated recipient(s). Any > use, dissemination, distribution, printing, retaining or copying > of this e-mail (including its attachments) by unintended recipient(s) > is strictly prohibited and may be unlawful. If you are not an > intended recipient of this e-mail, or believe that you have received > this e-mail in error, please notify the sender immediately > (by replying to this e-mail), delete any and all copies of this > e-mail (including any attachments) from your system, and do not > disclose the content of this e-mail to any other person. Thank you!