From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (xvm-189-124.dc0.ghst.net [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1F827A09FF; Tue, 5 Jan 2021 16:29:14 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 96BAC160811; Tue, 5 Jan 2021 16:29:13 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id 1EB9A160810 for ; Tue, 5 Jan 2021 16:29:10 +0100 (CET) IronPort-SDR: zEFkIDZCDT6dy5O1f6FT0xIwC3JHo6HzVEdxQMU6dQ319GzComsVpBF2WwxXyCiHuQ/KCbRXC/ mVPIsC3Ovh5Q== X-IronPort-AV: E=McAfee;i="6000,8403,9855"; a="173611860" X-IronPort-AV: E=Sophos;i="5.78,477,1599548400"; d="scan'208";a="173611860" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2021 07:29:09 -0800 IronPort-SDR: 3FFIr0n7yLPyVjD3uboLMWQBpLXip4WCabkScAifSkE+QeS7Po3paIkkm/b/cu+ITrzwNzb12P 4CFLo3sofWgA== X-IronPort-AV: E=Sophos;i="5.78,477,1599548400"; d="scan'208";a="421810192" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.213.236.177]) ([10.213.236.177]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2021 07:29:08 -0800 To: Pradeep Kumar Nalla Cc: Jerin Jacob Kollanukkaran , Satananda Burla , "dev@dpdk.org" References: <20201231072247.5719-1-pnalla@marvell.com> <6e4fdae7-4c60-45fb-cb17-8ef0a853b1c6@intel.com> From: Ferruh Yigit Message-ID: <708ef98d-7492-be87-6a6f-454e68174da3@intel.com> Date: Tue, 5 Jan 2021 15:29:04 +0000 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [EXT] Re: [PATCH 00/15] Octeon Tx/Tx2 Endpoint pmd X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 1/5/2021 2:43 PM, Pradeep Kumar Nalla wrote: Please do not top post, reply moved below. > Thanks > Pradeep. > -----Original Message----- > From: Ferruh Yigit > Sent: Monday, January 4, 2021 5:22 PM > To: Pradeep Kumar Nalla > Cc: Jerin Jacob Kollanukkaran ; Satananda Burla ; dev@dpdk.org > Subject: [EXT] Re: [dpdk-dev] [PATCH 00/15] Octeon Tx/Tx2 Endpoint pmd > > External Email > > ---------------------------------------------------------------------- > On 12/31/2020 7:22 AM, Nalla, Pradeep wrote: >> From: "Nalla Pradeep" >> >> This patch set contains PMD with minimal set of operations that can >> drive both Octeon Tx and Tx2 in endpoint. >> > > Hi Pradeep, > > There is already octeontx and octeontx2 net drivers, what is the difference of the 'endpoint' driver, why it is needed, can you please give more information? > > Hi Ferruh > > This PMD, while running on a host, drives octeontx/octeontx2 over pci bus, where as "OcteonTx and OcteonTx2 net drivers" run on respective Tx/Tx2 SOCs to make use of h/w blocks present on the SOC. > But aren't they same HW block, either in the SoC or external ethernet controller via PCI bus? As far as I can see octeontx2 access the device via PCI bus, why updating the existing driver and adding new device IDs is not working?