From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 45758C021B2 for ; Tue, 25 Feb 2025 07:50:48 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id ED13060802; Tue, 25 Feb 2025 07:50:47 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id mBplD7oEZuti; Tue, 25 Feb 2025 07:50:47 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 64A886083F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1740469847; bh=/AlSEgSDOXBnaGrfxeUnY9+FCGxh6v470RpBdGOMQ/c=; h=From:To:Cc:In-Reply-To:References:Date:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=cAETevVGqf+hGucYO39Sqk3STsK5EGUMYWM9HIHFBqesnqgDJzS76FHGRucpFEGj2 GBAr1mTHyDeZAKh9V8xqg17fa6AcSP3TGL3jwpkCGdSaNEl7kH3MOEgz2+cDZI1OPu 3i3T+LiTI/F0eFy1C15xEAsjkFmN0Byr7SDzZAsnoQLQXyxrTlQY/U4ZU5XmUyIGVM UmDhvd4mnjwo9N3rmWO0mqjGqyHHVbmC6BvaHVTouY7d69lWF4I8WAyVvKiRvH5RzJ FAM9XXJpg0POccOuym6iwsVhDqcSxqlfx0DmEu3NFME2o8+slb8yXCWXrIMayD4Ed9 PqqXnw8M6sClw== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp3.osuosl.org (Postfix) with ESMTP id 64A886083F; Tue, 25 Feb 2025 07:50:47 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists1.osuosl.org (Postfix) with ESMTP id 36D532292 for ; Tue, 25 Feb 2025 07:50:46 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 1AF5A40C80 for ; Tue, 25 Feb 2025 07:50:46 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id lTB7KghPQQPI for ; Tue, 25 Feb 2025 07:50:45 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2a0a:51c0:0:12e:550::1; helo=galois.linutronix.de; envelope-from=kurt@linutronix.de; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org 2A18D40C7A DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 2A18D40C7A Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by smtp4.osuosl.org (Postfix) with ESMTPS id 2A18D40C7A for ; Tue, 25 Feb 2025 07:50:44 +0000 (UTC) From: Kurt Kanzenbach To: Paul Menzel Cc: Tony Nguyen , Przemek Kitszel , Faizal Rahim , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Sebastian Andrzej Siewior , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org In-Reply-To: <1e8e6855-0c87-4007-aadd-bdcad51f97cf@molgen.mpg.de> References: <20250224-igc_mqprio_tx_mode-v2-1-9666da13c8d8@linutronix.de> <1e8e6855-0c87-4007-aadd-bdcad51f97cf@molgen.mpg.de> Date: Tue, 25 Feb 2025 08:50:38 +0100 Message-ID: <87y0xuzcmp.fsf@kurt.kurt.home> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1740469841; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=/AlSEgSDOXBnaGrfxeUnY9+FCGxh6v470RpBdGOMQ/c=; b=D0Za6qyxwz9wHMA3UYklfzOmtt5BnJrd485nl5pOFJNMLlENZvAcMptjI08MDo5y/OQHJC oFimYx/g3gUqbsxbK/5cZb0qiYnTTMWx90cZgFogxWrVijfBX9nV4gvypAPvtYurH9JWMX 5177gAffUDftApjh4FkC7I+IHb58kr/dySeAacoI7As1jismniEPDtB4+OptG0/v+JTir/ mcJHWvDOn9wrIxPMA2p+aFKigYWZwL5IseA0b9/ijx/f8MBz8nK2MxAvE+kJosfsHsQNP6 JFd1X92KecxxuvvcB/rUxxWZ3Ig+2mIjC54aOjcScWbbZrkHtdqADF2194P8GA== X-Mailman-Original-DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1740469841; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=/AlSEgSDOXBnaGrfxeUnY9+FCGxh6v470RpBdGOMQ/c=; b=HmATznfrgc51qXcH7B7/huWm3tJKPqcBLs2v7EpaOJrWqiFbm9qHIz/M9vu/nGBbvkL+uP Sx+/LIj+40ZQVpDA== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=linutronix.de X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=D0Za6qyx; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=HmATznfr Subject: Re: [Intel-wired-lan] [PATCH iwl-next v2] igc: Change Tx mode for MQPRIO offloading X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Mon Feb 24 2025, Paul Menzel wrote: > Dear Kurt, > > > Thank you for the patch. > > > Am 24.02.25 um 11:05 schrieb Kurt Kanzenbach: >> The current MQPRIO offload implementation uses the legacy TSN Tx mode. In >> this mode the hardware uses four packet buffers and considers queue >> priorities. > > If I didn=E2=80=99t miss anything, later on you do not specify how many b= uffers=20 > are used after changing the Tx mode. After changing the Tx mode, the NIC uses four packet buffers as well. I'll add it to the commit message. 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