From nobody Tue Apr 19 20:05:28 2022 X-Original-To: freebsd-usb@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0F71311CE13E for ; Tue, 19 Apr 2022 20:05:37 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4KjZYD1M0jz4kDP; Tue, 19 Apr 2022 20:05:36 +0000 (UTC) (envelope-from hps@selasky.org) Received: from [10.36.2.165] (unknown [176.74.213.87]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 08A07260B25; Tue, 19 Apr 2022 22:05:27 +0200 (CEST) Message-ID: Date: Tue, 19 Apr 2022 22:05:28 +0200 List-Id: FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-usb List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-usb@freebsd.org X-BeenThere: freebsd-usb@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: xhci data toggle out of sync Content-Language: en-US To: Mahesh Vardhamanaiah , Kamal Prasad , "freebsd-usb@freebsd.org" Cc: Steve Kiernan , Justin Hibbits , Kumara N Babu , Kristof Provost , "Bjoern A. Zeeb" References: <459317b1-a87d-5f1d-3a52-83ceee48056d@selasky.org> <6ace38e0-160f-e4ab-12d4-3af5c0113d1e@selasky.org> <33D78B28-EEFC-4A24-8E27-329CCA3782EF@juniper.net> <20e0397e-927e-c258-c26f-228cab9ece22@selasky.org> <3151db6c-80ae-8736-dcdb-9fecaf028318@selasky.org> <321043e7-913e-90ae-f506-bfdb0bd9c454@selasky.org> From: Hans Petter Selasky In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4KjZYD1M0jz4kDP X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-3.27 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; NEURAL_HAM_LONG(-0.98)[-0.977]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; ARC_NA(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.99)[-0.988]; RCPT_COUNT_SEVEN(0.00)[8]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; MLMMJ_DEST(0.00)[freebsd-usb]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/32, country:DE]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 4/19/22 17:31, Mahesh Vardhamanaiah wrote: > Hi HPS, > > Sorry, my knowledge on USB is very limited. Is there any other way to reset the data toggles if the state > Transition is not allowed ? Hi Mahesh, I will check the XHCI specification again, but I'm afraid we'll need to workaround this on the software side. Do you have any contacts on the hardware/XHCI side, which can explain what commands actually reset the data toggle? --HPS