From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 60F3E29119 for ; Tue, 16 May 2023 23:44:27 +0000 (UTC) Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 102F55580 for ; Tue, 16 May 2023 16:44:26 -0700 (PDT) Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-1aaf21bb42bso1745045ad.2 for ; Tue, 16 May 2023 16:44:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20221208.gappssmtp.com; s=20221208; t=1684280665; x=1686872665; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=ZAyBObAKQCsW2bNof9apeF0ebKn9WsBOpPNVGFm4nXE=; b=nDVeFb5TN5PXuONfOCeOhexEFSFRQ0hvoEz3jdoDUHtlRyZqNstrKDv5mvhAIuiUEv reEeTf/zsJsb9BHa39kJb9gsjsVf4BoOmjgvHY7Zwm6OWR4HSx9M1Uu2dyRBWZ0yCQUx adpNldNXd6An2KVxXAMJtrsJWb1b7H1cOMLi6Ca8s0EB3Pbx+jaPGk8623F00FOhcvKJ GMqr1gn3xQonTQ+x33W8sZAwn7pWH6BrjAEvStNxsiQDKDm5gdmyw9JcHqGfHFbzPMp6 KtZ8v0o+wPWYR68qjo/Uenqu0jgao0fjQyS6FWjQu0HN1iOq8xFQucQgvsR7Izf7TZ/p YZ2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684280665; x=1686872665; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZAyBObAKQCsW2bNof9apeF0ebKn9WsBOpPNVGFm4nXE=; b=OaKYDicq3vFGGU65TkzALMEzgecwB2OEK2tPi7gVhKIJR7m5g9hNs+u/aPnOO6cyLR EA7PHRBbdSu+4t5JN8yXcAAqe/zUzWjZ2RFnAxX/iB0t0icFHjatji8CuAj77weWaZc0 fpcbPN2F5ccOpiMl7SNktZOz4fEWA33eIpD3p2icHUrXC8jpDYL4ZtH8C0dUh+eHC1vN kjyU0MRDg+De8zx2s2yq1IGV3q31zxdDx2T9kZ+M2LGMB7oCnhtUJw92EqG7M8S7oORU A+AGKyr6cL75VlzWtOrmpB3//YJ0gcmVuHHyqYVPrQbFCFRwpxXyLptQLAw1eCpv2qBD Rv6g== X-Gm-Message-State: AC+VfDz0W/A7BADFM52nBVJhhKrCyGHTTnLTqwtvtC1TT/8ReS9Pft0z KqumHooUWbsCs8XSb4hpfAnFiQ0AyEEAdSHu4fSrrw== X-Google-Smtp-Source: ACHHUZ5Ohhx83ysYdikJu2mg2rDZyEdGgGFCNUKbkoyBV7NoW8wzF/+Uqk3kXWOz8Zh+n/4/BBh4QA== X-Received: by 2002:a17:903:44b:b0:1ab:f74:a111 with SMTP id iw11-20020a170903044b00b001ab0f74a111mr39028455plb.63.1684280665446; Tue, 16 May 2023 16:44:25 -0700 (PDT) Received: from hermes.local (204-195-120-218.wavecable.com. [204.195.120.218]) by smtp.gmail.com with ESMTPSA id q12-20020a17090311cc00b001ae1a35eb35sm4916110plh.178.2023.05.16.16.44.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 May 2023 16:44:25 -0700 (PDT) Date: Tue, 16 May 2023 16:44:23 -0700 From: Stephen Hemminger To: Thorsten Glaser Cc: Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdlbnNlbg==?= , Jakub Kicinski , netdev@vger.kernel.org, Haye.Haehne@telekom.de Subject: Re: knob to disable locally-originating qdisc optimisation? Message-ID: <20230516164423.3e5b45e9@hermes.local> In-Reply-To: References: <8a8c3e3b-b866-d723-552-c27bb33788f3@tarent.de> <20230427132126.48b0ed6a@kernel.org> <20230427163715.285e709f@hermes.local> <998e27d4-8a-2fd-7495-a8448a5427f9@tarent.de> <877ct8cc83.fsf@toke.dk> <87y1loapvt.fsf@toke.dk> <20230516160111.56b2c345@hermes.local> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Wed, 17 May 2023 01:40:23 +0200 (CEST) Thorsten Glaser wrote: > On Tue, 16 May 2023, Stephen Hemminger wrote: >=20 > >If your qdisc was upstream, others could collaborate to resolve the issu= e. > >As it stands, the kernel development process is intentionally hostile > >to out of tree developer changes like this. =20 >=20 > The qdisc is a simulation for the network connection of one > 5G UE. It=E2=80=99s not suitable as general router qdisc. I doubt > it would even be considered for acceptance. The kernel > upstreaming process is not the least hostile either=E2=80=A6 Sounds like it could be extension or part of existing netem.