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Mon, 11 Sep 2023 15:11:50 -0400 (EDT) From: Thomas Monjalon <thomas@monjalon.net> To: Michael Baum <michaelba@nvidia.com> Cc: dev@dpdk.org, Ori Kam <orika@nvidia.com>, Aman Singh <aman.deep.singh@intel.com>, Yuying Zhang <yuying.zhang@intel.com>, Ferruh Yigit <ferruh.yigit@amd.com> Subject: Re: [PATCH v2 1/2] ethdev: add random item support Date: Mon, 11 Sep 2023 17:59:56 +0200 Message-ID: <16778441.Ash8RoxBsO@thomas> In-Reply-To: <20230911074149.697944-2-michaelba@nvidia.com> References: <20230822090505.3242455-1-michaelba@nvidia.com> <20230911074149.697944-1-michaelba@nvidia.com> <20230911074149.697944-2-michaelba@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" 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 11/09/2023 09:41, Michael Baum: > Add support for a new item type "RTE_FLOW_ITEM_TYPE_RANDOM". > This item enables to match on some random value as a part of flow rule. > > Signed-off-by: Michael Baum <michaelba@nvidia.com> > --- > +Item: ``RANDOM`` > +^^^^^^^^^^^^^^^^ > + > +Matches a random value. > + > +This value is not based on the packet data/headers. > +Application shouldn't assume that this value is kept during the life time of > +the packet. > + > +- ``value``: Random value. I think it is the opposite: the value is defined by the application, right? Then it matches randomly based on a number generator? Please describe where the random is generated and what is the range. We could also wonder why it is not integrated in the existing sampling item.