Received: by 2002:a05:6a10:17d3:0:0:0:0 with SMTP id hz19csp882966pxb; Thu, 15 Apr 2021 08:42:19 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxOQjtsFI4hwhtuqdFJU6KWxpGV07fCnQmx4ARoBbu0DhrfGaU/Qt7F7wGgtbpqFRlWUdF4 X-Received: by 2002:aa7:800a:0:b029:250:c8c5:64b3 with SMTP id j10-20020aa7800a0000b0290250c8c564b3mr3683635pfi.23.1618501339437; Thu, 15 Apr 2021 08:42:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1618501339; cv=none; d=google.com; s=arc-20160816; b=orNiPCxm/e5yXW0BFqWn9Cs/1YTx684BcO/BhTmmtQtfmL3FkoijiEVQvUTO4RL1gm oQTNKzN+JtM0M1vKkJ6poKispVBF3JHBgd+5x6vHXDY1PhpkKgjwrJYNj3E7+io2QqIB Dnkjv+yp36W/pRGSy0lTPrMgcWJiyNRrehc2rYZjD2FSK56iIl1tlF3cerbaIAZe1mSn Df7YrlizirpW3NnqNqnPWgpTP+z9sTqeXtxb0Qn5KtcDVsaqbrqvGVMV8iJoQ9+w0UdW y8APUljIvFTXx5/IUzOapJSNRnhBLc+scsxJ05QYgj7vH9H+OSRa3ZAPI2wiq5HKgcij /1jw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:to:from:subject:message-id; bh=DuPXx0owAmwX89135i+Gvpdyu/2mxJC2HSxDNO7wnF0=; b=TzOHXpWiw94SkM3s/kS3pwjsbA2B3I7u9DYSpcRkWpAstCAG2RZ+ndtfMxY1zNg5z9 wl5ZLI016sojKbMuZiuckya/21veplJE8PDTB4356IENCJJywKq2h4QmfhbyBl+KrDxr umuRzhrf5vxxcODHJV0U1tlTJtnPx8Y6DduVSXujsOPNmfM+kpn1GiNyqHbFTPYjOD/h W9jl2r5skJMUKhxwa92V7VQymxgixuPdhixd3rYjtRt/lvHQznPB0cwZkZUI9hwS8ojh OoAJTlIFahAJ5eLMPZc2L8Vr+R0zUiaGg/JMo1BmJBFhRLin0ag/eHtKxPo6pRSoVHrj e3gQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ob16si3665741pjb.149.2021.04.15.08.42.06; Thu, 15 Apr 2021 08:42:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233593AbhDOPk6 (ORCPT + 99 others); Thu, 15 Apr 2021 11:40:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232642AbhDOPk6 (ORCPT ); Thu, 15 Apr 2021 11:40:58 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F810C061574 for ; Thu, 15 Apr 2021 08:40:33 -0700 (PDT) Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94) (envelope-from ) id 1lX46Z-00C9z1-5C; Thu, 15 Apr 2021 17:40:31 +0200 Message-ID: <60b03f0cc20aa72dd6c6e94bfe2253bd3d21037f.camel@sipsolutions.net> Subject: Re: Adding a fifth edca tx queue From: Johannes Berg To: Johannes Behrens , linux-wireless@vger.kernel.org Date: Thu, 15 Apr 2021 17:40:30 +0200 In-Reply-To: (sfid-20210415_161635_690528_BEE8E641) References: (sfid-20210415_161635_690528_BEE8E641) Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-malware-bazaar: not-scanned Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Thu, 2021-04-15 at 18:07 +0200, Johannes Behrens wrote: > Hi, > currently I am planning to implement a fifth edca tx-queue in the kernel > for research purposes for special requirements on the tactile internet. > > Now I am facing the challenge that I cannot find any actual hardware on > which I can implement another queue. Do you have any tips for me there? I doubt you'll have much luck with this, but do you really need all 5? You could do a lot of experimentation by just changing the EDCA parameters of e.g. the mostly unused VO or BK queues. johannes