From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 930C242ECF; Thu, 20 Jul 2023 17:45:07 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 70B9E40685; Thu, 20 Jul 2023 17:45:07 +0200 (CEST) Received: from mail-pg1-f177.google.com (mail-pg1-f177.google.com [209.85.215.177]) by mails.dpdk.org (Postfix) with ESMTP id 294F8400D6 for <dev@dpdk.org>; Thu, 20 Jul 2023 17:45:06 +0200 (CEST) Received: by mail-pg1-f177.google.com with SMTP id 41be03b00d2f7-55b0e7efb1cso486215a12.1 for <dev@dpdk.org>; Thu, 20 Jul 2023 08:45:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20221208.gappssmtp.com; s=20221208; t=1689867905; x=1690472705; 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=e+GTlrVRQ04CovPHEkGji3uuZ1szry3Md6yKtfTvpAQ=; b=KTDHftZZtKk3npUQ/2z6d2UJ9K0MUKPzYLFYRZFyoCqNrLlC7+80tuo4CtHlKUir3d 3BBu7q0x46IuwAzpc2/jjKRc3zNjBii4kYIm/QEUS3JqMvfW8Mxu5/l3PASHmMWWszHq vvfQmNxztkS87tRc5mjnj3f/ifGViJspvxB0A15DnJswRIAsaf06TmWbuilsBZ21fNe8 UiW/wffBob28VkwdfEXI/JUgLwkt+isaVqaGSlHIUHrrF/aA0uzrMKyHin+Er9kaah4E LG1U8rMRlhivL5TBjRQGCNM2KQ3pqZZoUKkGcg3r1+oCBdtp8gD7/itrRgM2fUzDeQ7n 2VhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689867905; x=1690472705; 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=e+GTlrVRQ04CovPHEkGji3uuZ1szry3Md6yKtfTvpAQ=; b=P07DsUz3HRb75pyxmQPvztjAuuDJqKwwhA/EwCdImDyoufLFWgl0UFMiuS5J2H/TbN NZRVJR/XMFSkILAPxadVmXE4GE76XlmHNq1YhSFRvMkhTzGb+7PUUPZjGG4pDgjzXPUC zyJHLhNxMZFrIRzLkyMWwT1Tt+TipN71PN7QaadShRjvyiHEnMxMAnQOIve0W3fWmJ2Z rGtCJkbHOyS7c7/Rnl4sRYv/kDpU7KBLWLKC++G6u9V22H3+Le7dXKV+b7cMxyvHysKX OmZ3viQ9lnQJupl2dgFmdfkpBTMz1LNtpgsyA7KJS2CadVpjG2LkfUyG+G7jMX4SglpF JEGg== X-Gm-Message-State: ABy/qLasTdEwwGL12y7Ao8TIOSiHZ0/WJ8E0j/1siia+l+u+9xpubAun F3Nz4wE5NY12rPc60wXW8ylchw== X-Google-Smtp-Source: APBJJlGdnj/YBelJ8DvQIXC4yoRRk1XPXVcSig8uuOW+SK091G4g6ozM2pee7n/Vfi5lmVVS0cQ4Cw== X-Received: by 2002:a05:6a20:12cb:b0:131:44f2:8691 with SMTP id v11-20020a056a2012cb00b0013144f28691mr3036726pzg.37.1689867905151; Thu, 20 Jul 2023 08:45:05 -0700 (PDT) Received: from hermes.local (204-195-127-207.wavecable.com. [204.195.127.207]) by smtp.gmail.com with ESMTPSA id k24-20020aa78218000000b0064d32771fa8sm1327664pfi.134.2023.07.20.08.45.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Jul 2023 08:45:05 -0700 (PDT) Date: Thu, 20 Jul 2023 08:45:03 -0700 From: Stephen Hemminger <stephen@networkplumber.org> To: Mingjin Ye <mingjinx.ye@intel.com> Cc: dev@dpdk.org, qiming.yang@intel.com, yidingx.zhou@intel.com, Jingjing Wu <jingjing.wu@intel.com>, Beilei Xing <beilei.xing@intel.com>, Bruce Richardson <bruce.richardson@intel.com>, Konstantin Ananyev <konstantin.v.ananyev@yandex.ru> Subject: Re: [POC v2] net/iavf: support no data path polling mode Message-ID: <20230720084503.5f27b0e8@hermes.local> In-Reply-To: <20230720100815.440778-1-mingjinx.ye@intel.com> References: <20230717093651.338017-1-mingjinx.ye@intel.com> <20230720100815.440778-1-mingjinx.ye@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org On Thu, 20 Jul 2023 10:08:14 +0000 Mingjin Ye <mingjinx.ye@intel.com> wrote: > Introduces a devargs "no-poll-on-link-down" in iavf PMD. When this > flag is set, the PMD switches to no-poll mode when the link state is > down (rx/tx burst returns to 0 immediately). When the link state > returns to normal, PMD switches to normal rx/tx burst state. > > Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com> There is not enough explanation of this. Why is this necessary? Why is it unique to the iavf device and not true of other devices? Where is the documentation?