From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f44.google.com (mail-wm0-f44.google.com [74.125.82.44]) by dpdk.org (Postfix) with ESMTP id 347CD58CF for ; Fri, 8 Jul 2016 11:14:15 +0200 (CEST) Received: by mail-wm0-f44.google.com with SMTP id k123so8983225wme.0 for ; Fri, 08 Jul 2016 02:14:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:user-agent:in-reply-to :references:mime-version:content-transfer-encoding; bh=Vfo3ANMGYH/aMT4+hTwdU7Z413jxPmql0Dd36KOhdog=; b=CORI+H5gmhjiPHcFqZhL9FUgHkP+p4hDTfPnePaHyOGwRUAE9XE07Wa5nJ2IOHBBZo gtPGQZsvzsKVV7R5cauRoE6lu75OPDq4nb+MFDawAfj6OIGlHTy/EuF9r7kHYYEdM4xk XJC9v62+tfdg8tCaRwWk09wsyNCcS7vI1dl8fWXI+LidOXuT6sraMPcJjsD0hJUbMVX0 bJTLfTABSfQroMAAwntyQrJdNFuaWSwwmp1bxKwLGKOuCzMCSDJRCFyn6yqFmYBolbwE fIVj9BBlATlTKOHWrIsF8j0oryq0ZKp0175eVL+wtqVowP9G3cIj5+Nudmlu5zsj8q/s Ll6Q== 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:user-agent :in-reply-to:references:mime-version:content-transfer-encoding; bh=Vfo3ANMGYH/aMT4+hTwdU7Z413jxPmql0Dd36KOhdog=; b=QkBMP0Vu7u8T/VNU1uYgleRy7Bu8uyeiKm5n3U5K65wxlq0rYB4cNrXjz4E2yhB74d sOPh0QMfDLZqumx/LkmYkRtzkwMnONNffLis+tT51bX19wYYNfl8b5eGcPKTibhKlbve MJPtvY4+yo/T/J+KUM7ia72tWEh4Y+cBP1YxuSOCcP2/JqZFkRyNXTSoNR7TxAfPfzYl MtUUwZLJZ+yliiSWi4IXknyQATyMlILpwLIl3C7/gQIgaQatqd9aAK0y5ydq9qQkCk1Z 0RnVcgFblN4kjnWPVHB4y6w7MKWDnKCR2RMgwrXSM5LNEmppKdU4C90nEhtBzj9hzMRt pd5w== X-Gm-Message-State: ALyK8tJekeOA6oAOCyK5sVWceJhsS40UlRwpNWB7fVmZFpniMt2s4RIhReYYeoDn8b8+Tnnv X-Received: by 10.28.226.130 with SMTP id z124mr2395700wmg.82.1467969254964; Fri, 08 Jul 2016 02:14:14 -0700 (PDT) Received: from xps13.localnet (184.203.134.77.rev.sfr.net. [77.134.203.184]) by smtp.gmail.com with ESMTPSA id p76sm2048025wmd.10.2016.07.08.02.14.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 08 Jul 2016 02:14:13 -0700 (PDT) From: Thomas Monjalon To: "Wu, Jingjing" Cc: dev@dpdk.org, "Mcnamara, John" , "Liu, Yong" , "Zhang, Helin" , bernard.iremonger@intel.com Date: Fri, 08 Jul 2016 11:14:13 +0200 Message-ID: <367000689.y0psKNqMLI@xps13> User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: <9BB6961774997848B5B42BEC655768F80E169131@SHSMSX103.ccr.corp.intel.com> References: <1466650946-22523-1-git-send-email-jingjing.wu@intel.com> <2397257.zo8BvNnhcC@xps13> <9BB6961774997848B5B42BEC655768F80E169131@SHSMSX103.ccr.corp.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v2 1/2] doc: add bifurcated driver guide on ixgbe nic 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: Fri, 08 Jul 2016 09:14:15 -0000 2016-07-08 08:42, Wu, Jingjing: > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > > Thank you for providing more doc. > > I am just not convinced it is the right place > > and it must be discussed. > > Some questions below to help deciding where it must be. > > > > 2016-06-23 11:02, Jingjing Wu: > > > Bifurcated driver is a mechanism which depends the advanced > > > Ethernet device to split traffic between queues. It provides > > > the capability to let the kernel driver and DPDK driver co-exist > > > and take their advantage. > > > > The name "bifurcated driver" was used for a real driver proposal > > in Linux. I don't think it applies here. Where does the "bifurcated" name come from? Could we rename it to "flow bifurcation" or "partial kernel bypass"? > > > It is achieved by using SRIOV and NIC's advanced filtering. This > > > patch describes it and adds the user guide on ixgbe NICs. > > > > It is not a DPDK feature, just a use case. > > What do we learn about DPDK? > > Yes, it is an feature in Linux driver. And the typical use case how DPDK co-work with Linux networking. > I think it will be a good reference. When I preparde this patch, I'm also doubt where to put, and the behavior > may be NIC specific, so I added it here. > > Any other suggestion? Bernard is creating an howto section.