From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f170.google.com (mail-wi0-f170.google.com [209.85.212.170]) by dpdk.org (Postfix) with ESMTP id C8438803A for ; Thu, 4 Dec 2014 14:37:40 +0100 (CET) Received: by mail-wi0-f170.google.com with SMTP id bs8so36176226wib.3 for ; Thu, 04 Dec 2014 05:37:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=wbzm9T+ZATRGM67okRWJ3E1mXIrQhi+v6Phf5plARPY=; b=UGuDpIIlUmo77NnsZX+hYsEfv0O6T0rpMMYxajXX2LI6lwdhN1M+hyeQB57DX+W4RH JrNsBwPuE9++ovnqmnXuC5TppjyihE7M1Ze1m2lpmtouYUANOjPuaXloyekH6neT0clA P7EIpqGgi320Y4WQnUASxYJXWXLN3prS9mzYyYnY3QZyp7jafe6s5kjYiu3RlkcFeymn dlH8hgkmrYOIuoHtSme67qnQiN5uBo4ejDf+oHDi2RtRu9aPKCYr8qz0qrHb4nKni3vi oEOnzMdlGXVZsUgr+c3cb/TU624Y6p6R+2cqH7ma/yRnAscJ9b59/iY8m7/1hXxLU3uP GZtQ== X-Gm-Message-State: ALoCoQki1dLToszNc5YtQVh2wfwT6tV1RlqAdUiOMLQLQNckbtLLtZx5fnSzW68dQF8hrvk2ZlOa X-Received: by 10.180.20.50 with SMTP id k18mr21935727wie.31.1417700260681; Thu, 04 Dec 2014 05:37:40 -0800 (PST) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by mx.google.com with ESMTPSA id h14sm41393418wic.8.2014.12.04.05.37.39 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 04 Dec 2014 05:37:39 -0800 (PST) From: Thomas Monjalon To: Bruce Richardson Date: Thu, 04 Dec 2014 14:37:15 +0100 Message-ID: <1770523.OPzYA99vBi@xps13> Organization: 6WIND User-Agent: KMail/4.14.3 (Linux/3.17.4-1-ARCH; KDE/4.14.3; x86_64; ; ) In-Reply-To: <1417625819-3024-1-git-send-email-bruce.richardson@intel.com> References: <1417625819-3024-1-git-send-email-bruce.richardson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH] examples: fix symmetric_mp, set NIC rx_drop_en bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Dec 2014 13:37:40 -0000 2014-12-03 16:56, Bruce Richardson: > The symmetric_mp example app is set up to allow two processes to > share a NIC port, with each pulling packets from one queue. In order > to have the app continue working when one of the process dies, the > drop_en bit should be set in the NIC configuration. Without this bit > set, the NIC will stall once any queue fills. With the bit set, once > a queue fills, all subsequent packets for that queue are discarded > allowing other queues to continue operating as normal. > > This setting was missed when converting to use standardised defaults > in commit 81f7ecd9. I don't see rx_drop_en in commit 81f7ecd9. Why do you say it was missed? -- Thomas