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[2620:137:e000::1:20]) by mx.google.com with ESMTP id d31-20020a631d1f000000b0043c5d3dc0d4si3317915pgd.332.2022.10.07.12.40.52; Fri, 07 Oct 2022 12:41:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=QM5mq9wa; spf=pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-bluetooth-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230045AbiJGTkb (ORCPT + 99 others); Fri, 7 Oct 2022 15:40:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230064AbiJGTkV (ORCPT ); Fri, 7 Oct 2022 15:40:21 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11200C5883 for ; Fri, 7 Oct 2022 12:40:18 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id AC41EB80A08 for ; Fri, 7 Oct 2022 19:40:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 6E05BC43470; Fri, 7 Oct 2022 19:40:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665171615; bh=h6ErnxmASr3UMatEFWypQkq3elXVotN207nMeagP/L8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=QM5mq9waTMk5936VK62RdlBMZrjmPAxoJ2bC0dN+R+rr/ruWdUbUUXr1HzJs2cfSh SRvtEmf1zGKKrYiNZ9snczR1HF7GraFK685E+t3UY6X0i+CgmBfo63vPJj809vdMMp 3LFbpgGBtvQkxAl6Ulyz7yELx3hQ6VRNQV8kalwhE7YDDP9RncDLZrV4vpNgI5lcjF A9swCcqdZfwWxvNMPBP13syTWA+EmMW01YyjPki1NWfbI5W5czFb7lBrGz1kHLZg3E ZEOBZ/U+Tk0NKE7O1D9vPu7wMgtRW508aFsza0mMzAoq1HjqW+vSoEvxfls5fxOOwI JlxQ5wr4lsrbg== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 4D3ECE43EFD; Fri, 7 Oct 2022 19:40:15 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v3] Bluetooth: Work around SCO over USB HCI design defect From: patchwork-bot+bluetooth@kernel.org Message-Id: <166517161531.22886.6151689482591354404.git-patchwork-notify@kernel.org> Date: Fri, 07 Oct 2022 19:40:15 +0000 References: <20221005150621.20771-1-nicolas.cavallari@green-communications.fr> In-Reply-To: <20221005150621.20771-1-nicolas.cavallari@green-communications.fr> To: Nicolas Cavallari Cc: marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz : On Wed, 5 Oct 2022 17:06:21 +0200 you wrote: > The USB interface between the host and the bluetooth adapter used for > SCO packets uses an USB isochronous endpoint with a fragmentation scheme > that does not tolerate errors. Except USB isochronous transfers do > not provide a reliable stream with guaranteed delivery. (There is no > retry on error, see USB spec v2.0 5.6 and 8.5.5.) > > To fragment a packet, the bluetooth HCI simply splits it in parts and > transfer them as-is. The receiver is expected to reconstruct the packet > by assuming the first fragment contains the header and parsing its size > field. There is no error detection either. > > [...] Here is the summary with links: - [v3] Bluetooth: Work around SCO over USB HCI design defect https://git.kernel.org/bluetooth/bluetooth-next/c/7df90b55ae9a You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html