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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] DDP GTP profile - how to set hash for GTP-U flow X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Hello, I am trying to evaluate/use the Intel DDP for GTP (https://builders.intel.c= om/docs/networkbuilders/intel-ethernet-controller-700-series-gtpv1-dynamic-= device-personalization.pdf) with Intel XL710 adapter and I do not know how to change the hash function = of the GTP-U flow. It seems that in the paper they are using the hash(Inner= IP.SRC_ADDR) for GTP-U flow. The description of the package however says: "Hash input set for GTPU is TE= ID and inner IP addresses (no ports)" I want to set hash input set for the GTP-U flow to InnerIP.SRC_ADDR only (n= o TEID) for a test and eventually to InnerIP.SRC_ADDR and InnerIP.DST_ADDR = where InnerIP.SRC_ADDR and InnerIP.DST_ADDR shall be used by hash function = the way that it produces same hash even if they addresses are swapped, so c= omplete TCP/UDP flow inside GTP will end in same RX queue. Does anyone know how to do it? Notes: There are no identifiers for InnerIP.SRC_ADDR or InnerIP.DST_ADDR or eventu= ally TEID in the rte_eth_ctrl.h: rte_eth_input_set_field enum. What are the= y for the DDP GTP profile? There are functions rte_eth_dev_filter_ctr() or rte_pmd_i40e_inset_set(). = Which one shall be used and how? Thanks Pavel