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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id z18-20020aa79e52000000b0052e3d189713sm2962860pfq.3.2022.08.10.21.24.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 21:24:54 -0700 (PDT) Date: Wed, 10 Aug 2022 21:24:51 -0700 From: Stephen Hemminger <stephen@networkplumber.org> To: Chaoyong He <chaoyong.he@corigine.com> Cc: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>, Niklas Soderlund <niklas.soderlund@corigine.com>, "dev@dpdk.org" <dev@dpdk.org> Subject: Re: [PATCH v5 07/12] net/nfp: add flower ctrl VNIC related logics Message-ID: <20220810212451.35f8b0ad@hermes.local> In-Reply-To: <SJ0PR13MB5545E67550757B31DC75626A9E649@SJ0PR13MB5545.namprd13.prod.outlook.com> References: <1659681155-16525-1-git-send-email-chaoyong.he@corigine.com> <1659681155-16525-8-git-send-email-chaoyong.he@corigine.com> <b698917b-7549-816f-b327-bc1076e2f81b@oktetlabs.ru> <SJ0PR13MB55455399D6FB26CFAD705F509E639@SJ0PR13MB5545.namprd13.prod.outlook.com> <20220808074542.31b7185c@hermes.local> <SJ0PR13MB5545764390C56D5F641A59369E659@SJ0PR13MB5545.namprd13.prod.outlook.com> <20220810123941.0c35df8a@hermes.local> <SJ0PR13MB5545E67550757B31DC75626A9E649@SJ0PR13MB5545.namprd13.prod.outlook.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, 11 Aug 2022 01:26:49 +0000 Chaoyong He <chaoyong.he@corigine.com> wrote: > > > The 'port_id' is the 'Device [external] port identifier', which > > > related with the 'rte_ethdev_devices[]' I think. > > > Here the ethdev we created is not exposed to the user and is not in the > > 'rte_ethdev_devices[]' > > > array, so it can't be invoked by the user at all. > > > And we invoke this ethdev through a pointer in the `struct > > > nfp_net_hw`, so I think there should no conflict with other ones in the > > system. > > > > DPDK already has a port ownership framework to deal with internal ethernet > > device ports. Why was this not used? > > Sorry I have no knowledge about this framework before. Any document link or logic about > this framework will be greatly appreciated. Thanks! It is part of ethdev https://doc.dpdk.org/api/rte__ethdev_8h.html See rte_eth_dev_owner_new, rte_eth_dev_owner_set, etc https://doc.dpdk.org/api/rte__ethdev_8h.html#ad6817cc801bf0faa566f52d382214457