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[104.55.12.234]) by smtp.gmail.com with ESMTPSA id m7-20020a05620a290700b006bb8b5b79efsm12422325qkp.129.2022.09.26.12.28.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Sep 2022 12:28:53 -0700 (PDT) Message-ID: Date: Mon, 26 Sep 2022 15:28:52 -0400 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: RES: TP-LINK USB no carrier after speed test Content-Language: en-US To: Ivan Quitschal , Hans Petter Selasky Cc: "freebsd-current@freebsd.org" , "freebsd-usb@FreeBSD.org" References: <5c9c47d6-9e12-ae76-ce67-15aeae1b8636@selasky.org> <11b7de01-d95e-5280-2a22-8b17e29c34c0@selasky.org> <5f646a9a-2885-05af-9ff1-ef4c4446f365@selasky.org> <9c370afb-1931-f977-16a9-4915a82ec773@selasky.org> <5bf98c30-c00f-7e7a-3a3d-c0bd5862fb97@selasky.org> From: Alexander Motin In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4Mbt9328khz3YwB X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=CxVtaMIz; dmarc=none; spf=pass (mx1.freebsd.org: domain of mavbsd@gmail.com designates 2607:f8b0:4864:20::836 as permitted sender) smtp.mailfrom=mavbsd@gmail.com X-Spamd-Result: default: False [-3.14 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.94)[-0.935]; FORGED_SENDER(0.30)[mav@FreeBSD.org,mavbsd@gmail.com]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; MIME_GOOD(-0.10)[text/plain]; MID_RHS_MATCH_FROM(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; DMARC_NA(0.00)[freebsd.org]; ARC_NA(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; FROM_NEQ_ENVFROM(0.00)[mav@FreeBSD.org,mavbsd@gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::836:from]; DKIM_TRACE(0.00)[gmail.com:+]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_TO(0.00)[hotmail.com,selasky.org]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org,freebsd-usb@freebsd.org] X-ThisMailContainsUnwantedMimeParts: N Ivan, On 26.09.2022 13:11, Ivan Quitschal wrote: > bad news im afraid, problem occurred at the first attempt on speedtest.net. > and I'm really trying to help you analizying this code here myself, but > problem is: im far from expert on network protocol business. if it is a > network problem at all. seems to me more like a USB protocol limit issue > or something ..  just FYI , limiting that first constant to 2048 still > limits my  upload to 90mbps , and also still solves the issue .. there > has to be something about it obviously On my tests I found that reduction of URE_MAX_TX from 4 to 1 actually help a lot more without so dramatic performance decrease. Though it is likely only a workaround and does not explain the cause, so I hope Hans more ideas for us to test. ;) -- Alexander Motin